diff options
Diffstat (limited to 'target/linux/lantiq/patches-2.6.32/550-dwc_otg.patch')
| -rw-r--r-- | target/linux/lantiq/patches-2.6.32/550-dwc_otg.patch | 15623 |
1 files changed, 0 insertions, 15623 deletions
diff --git a/target/linux/lantiq/patches-2.6.32/550-dwc_otg.patch b/target/linux/lantiq/patches-2.6.32/550-dwc_otg.patch deleted file mode 100644 index da13c71..0000000 --- a/target/linux/lantiq/patches-2.6.32/550-dwc_otg.patch +++ /dev/null @@ -1,15623 +0,0 @@ ---- a/drivers/usb/Kconfig -+++ b/drivers/usb/Kconfig -@@ -107,6 +107,8 @@ - - source "drivers/usb/host/Kconfig" - -+source "drivers/usb/dwc_otg/Kconfig" -+ - source "drivers/usb/musb/Kconfig" - - source "drivers/usb/class/Kconfig" ---- a/drivers/usb/Makefile -+++ b/drivers/usb/Makefile -@@ -26,6 +26,8 @@ - - obj-$(CONFIG_USB_WUSB) += wusbcore/ - -+obj-$(CONFIG_DWC_OTG) += dwc_otg/ -+ - obj-$(CONFIG_USB_ACM) += class/ - obj-$(CONFIG_USB_PRINTER) += class/ - obj-$(CONFIG_USB_WDM) += class/ ---- /dev/null -+++ b/drivers/usb/dwc_otg/Kconfig -@@ -0,0 +1,37 @@ -+config DWC_OTG -+ tristate "Synopsis DWC_OTG support" -+ depends on USB -+ help -+ This driver supports Synopsis DWC_OTG IP core -+ embebbed on many SOCs (ralink, infineon, etc) -+ -+choice -+ prompt "USB Operation Mode" -+ depends on DWC_OTG -+ default DWC_OTG_HOST_ONLY -+ -+config DWC_OTG_HOST_ONLY -+ bool "HOST ONLY MODE" -+ depends on DWC_OTG -+ -+#config DWC_OTG_DEVICE_ONLY -+# bool "DEVICE ONLY MODE" -+# depends on DWC_OTG -+endchoice -+ -+choice -+ prompt "Platform" -+ depends on DWC_OTG -+ default DWC_OTG_LANTIQ -+ -+config DWC_OTG_LANTIQ -+ bool "Lantiq" -+ depends on LANTIQ -+ help -+ Danube USB Host Controller -+ platform support -+endchoice -+ -+config DWC_OTG_DEBUG -+ bool "Enable debug mode" -+ depends on DWC_OTG ---- /dev/null -+++ b/drivers/usb/dwc_otg/Makefile -@@ -0,0 +1,39 @@ -+# -+# Makefile for DWC_otg Highspeed USB controller driver -+# -+ -+ifeq ($(CONFIG_DWC_OTG_DEBUG),y) -+EXTRA_CFLAGS += -DDEBUG -+endif -+ -+# Use one of the following flags to compile the software in host-only or -+# device-only mode based on the configuration selected by the user -+ifeq ($(CONFIG_DWC_OTG_HOST_ONLY),y) -+ EXTRA_CFLAGS += -DDWC_OTG_HOST_ONLY -DDWC_HOST_ONLY -+ EXTRA_CFLAGS += -DDWC_OTG_EN_ISOC -DDWC_EN_ISOC -+else ifeq ($(CONFIG_DWC_OTG_DEVICE_ONLY),y) -+ EXTRA_CFLAGS += -DDWC_OTG_DEVICE_ONLY -+else -+ EXTRA_CFLAGS += -DDWC_OTG_MODE -+endif -+ -+# EXTRA_CFLAGS += -DDWC_HS_ELECT_TST -+# EXTRA_CFLAGS += -DDWC_OTG_EXT_CHG_PUMP -+ -+ifeq ($(CONFIG_DWC_OTG_LANTIQ),y) -+ EXTRA_CFLAGS += -Dlinux -D__LINUX__ -DDWC_OTG_IFX -DDWC_OTG_HOST_ONLY -DDWC_HOST_ONLY -D__KERNEL__ -+endif -+ifeq ($(CONFIG_DWC_OTG_LANTIQ),m) -+ EXTRA_CFLAGS += -Dlinux -D__LINUX__ -DDWC_OTG_IFX -DDWC_HOST_ONLY -DMODULE -D__KERNEL__ -DDEBUG -+endif -+ -+obj-$(CONFIG_DWC_OTG) := dwc_otg.o -+dwc_otg-objs := dwc_otg_hcd.o dwc_otg_hcd_intr.o dwc_otg_hcd_queue.o -+#dwc_otg-objs += dwc_otg_pcd.o dwc_otg_pcd_intr.o -+dwc_otg-objs += dwc_otg_attr.o -+dwc_otg-objs += dwc_otg_cil.o dwc_otg_cil_intr.o -+dwc_otg-objs += dwc_otg_ifx.o -+dwc_otg-objs += dwc_otg_driver.o -+ -+#obj-$(CONFIG_DWC_OTG_IFX) := dwc_otg_ifx.o -+#dwc_otg_ifx-objs := dwc_otg_ifx.o ---- /dev/null -+++ b/drivers/usb/dwc_otg/dwc_otg_attr.c -@@ -0,0 +1,802 @@ -+/* ========================================================================== -+ * $File: //dwh/usb_iip/dev/software/otg_ipmate/linux/drivers/dwc_otg_attr.c $ -+ * $Revision: 1.1.1.1 $ -+ * $Date: 2009-04-17 06:15:34 $ -+ * $Change: 537387 $ -+ * -+ * Synopsys HS OTG Linux Software Driver and documentation (hereinafter, -+ * "Software") is an Unsupported proprietary work of Synopsys, Inc. unless -+ * otherwise expressly agreed to in writing between Synopsys and you. -+ * -+ * The Software IS NOT an item of Licensed Software or Licensed Product under -+ * any End User Software License Agreement or Agreement for Licensed Product -+ * with Synopsys or any supplement thereto. You are permitted to use and -+ * redistribute this Software in source and binary forms, with or without -+ * modification, provided that redistributions of source code must retain this -+ * notice. You may not view, use, disclose, copy or distribute this file or -+ * any information contained herein except pursuant to this license grant from -+ * Synopsys. If you do not agree with this notice, including the disclaimer -+ * below, then you are not authorized to use the Software. -+ * -+ * THIS SOFTWARE IS BEING DISTRIBUTED BY SYNOPSYS SOLELY ON AN "AS IS" BASIS -+ * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE -+ * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE -+ * ARE HEREBY DISCLAIMED. IN NO EVENT SHALL SYNOPSYS BE LIABLE FOR ANY DIRECT, -+ * INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES -+ * (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR -+ * SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER -+ * CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT -+ * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY -+ * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH -+ * DAMAGE. -+ * ========================================================================== */ -+ -+/** @file -+ * -+ * The diagnostic interface will provide access to the controller for -+ * bringing up the hardware and testing. The Linux driver attributes -+ * feature will be used to provide the Linux Diagnostic -+ * Interface. These attributes are accessed through sysfs. -+ */ -+ -+/** @page "Linux Module Attributes" -+ * -+ * The Linux module attributes feature is used to provide the Linux -+ * Diagnostic Interface. These attributes are accessed through sysfs. -+ * The diagnostic interface will provide access to the controller for -+ * bringing up the hardware and testing. -+ -+ -+ The following table shows the attributes. -+ <table> -+ <tr> -+ <td><b> Name</b></td> -+ <td><b> Description</b></td> -+ <td><b> Access</b></td> -+ </tr> -+ -+ <tr> -+ <td> mode </td> -+ <td> Returns the current mode: 0 for device mode, 1 for host mode</td> -+ <td> Read</td> -+ </tr> -+ -+ <tr> -+ <td> hnpcapable </td> -+ <td> Gets or sets the "HNP-capable" bit in the Core USB Configuraton Register. -+ Read returns the current value.</td> -+ <td> Read/Write</td> -+ </tr> -+ -+ <tr> -+ <td> srpcapable </td> -+ <td> Gets or sets the "SRP-capable" bit in the Core USB Configuraton Register. -+ Read returns the current value.</td> -+ <td> Read/Write</td> -+ </tr> -+ -+ <tr> -+ <td> hnp </td> -+ <td> Initiates the Host Negotiation Protocol. Read returns the status.</td> -+ <td> Read/Write</td> -+ </tr> -+ -+ <tr> -+ <td> srp </td> -+ <td> Initiates the Session Request Protocol. Read returns the status.</td> -+ <td> Read/Write</td> -+ </tr> -+ -+ <tr> -+ <td> buspower </td> -+ <td> Gets or sets the Power State of the bus (0 - Off or 1 - On)</td> -+ <td> Read/Write</td> -+ </tr> -+ -+ <tr> -+ <td> bussuspend </td> -+ <td> Suspends the USB bus.</td> -+ <td> Read/Write</td> -+ </tr> -+ -+ <tr> -+ <td> busconnected </td> -+ <td> Gets the connection status of the bus</td> -+ <td> Read</td> -+ </tr> -+ -+ <tr> -+ <td> gotgctl </td> -+ <td> Gets or sets the Core Control Status Register.</td> -+ <td> Read/Write</td> -+ </tr> -+ -+ <tr> -+ <td> gusbcfg </td> -+ <td> Gets or sets the Core USB Configuration Register</td> -+ <td> Read/Write</td> -+ </tr> -+ -+ <tr> -+ <td> grxfsiz </td> -+ <td> Gets or sets the Receive FIFO Size Register</td> -+ <td> Read/Write</td> -+ </tr> -+ -+ <tr> -+ <td> gnptxfsiz </td> -+ <td> Gets or sets the non-periodic Transmit Size Register</td> -+ <td> Read/Write</td> -+ </tr> -+ -+ <tr> -+ <td> gpvndctl </td> -+ <td> Gets or sets the PHY Vendor Control Register</td> -+ <td> Read/Write</td> -+ </tr> -+ -+ <tr> -+ <td> ggpio </td> -+ <td> Gets the value in the lower 16-bits of the General Purpose IO Register -+ or sets the upper 16 bits.</td> -+ <td> Read/Write</td> -+ </tr> -+ -+ <tr> -+ <td> guid </td> -+ <td> Gets or sets the value of the User ID Register</td> -+ <td> Read/Write</td> -+ </tr> -+ -+ <tr> -+ <td> gsnpsid </td> -+ <td> Gets the value of the Synopsys ID Regester</td> -+ <td> Read</td> -+ </tr> -+ -+ <tr> -+ <td> devspeed </td> -+ <td> Gets or sets the device speed setting in the DCFG register</td> -+ <td> Read/Write</td> -+ </tr> -+ -+ <tr> -+ <td> enumspeed </td> -+ <td> Gets the device enumeration Speed.</td> -+ <td> Read</td> -+ </tr> -+ -+ <tr> -+ <td> hptxfsiz </td> -+ <td> Gets the value of the Host Periodic Transmit FIFO</td> -+ <td> Read</td> -+ </tr> -+ -+ <tr> -+ <td> hprt0 </td> -+ <td> Gets or sets the value in the Host Port Control and Status Register</td> -+ <td> Read/Write</td> -+ </tr> -+ -+ <tr> -+ <td> regoffset </td> -+ <td> Sets the register offset for the next Register Access</td> -+ <td> Read/Write</td> -+ </tr> -+ -+ <tr> -+ <td> regvalue </td> -+ <td> Gets or sets the value of the register at the offset in the regoffset attribute.</td> -+ <td> Read/Write</td> -+ </tr> -+ -+ <tr> -+ <td> remote_wakeup </td> -+ <td> On read, shows the status of Remote Wakeup. On write, initiates a remote -+ wakeup of the host. When bit 0 is 1 and Remote Wakeup is enabled, the Remote -+ Wakeup signalling bit in the Device Control Register is set for 1 -+ milli-second.</td> -+ <td> Read/Write</td> -+ </tr> -+ -+ <tr> -+ <td> regdump </td> -+ <td> Dumps the contents of core registers.</td> -+ <td> Read</td> -+ </tr> -+ -+ <tr> -+ <td> hcddump </td> -+ <td> Dumps the current HCD state.</td> -+ <td> Read</td> -+ </tr> -+ -+ <tr> -+ <td> hcd_frrem </td> -+ <td> Shows the average value of the Frame Remaining -+ field in the Host Frame Number/Frame Remaining register when an SOF interrupt -+ occurs. This can be used to determine the average interrupt latency. Also -+ shows the average Frame Remaining value for start_transfer and the "a" and -+ "b" sample points. The "a" and "b" sample points may be used during debugging -+ bto determine how long it takes to execute a section of the HCD code.</td> -+ <td> Read</td> -+ </tr> -+ -+ <tr> -+ <td> rd_reg_test </td> -+ <td> Displays the time required to read the GNPTXFSIZ register many times -+ (the output shows the number of times the register is read). -+ <td> Read</td> -+ </tr> -+ -+ <tr> -+ <td> wr_reg_test </td> -+ <td> Displays the time required to write the GNPTXFSIZ register many times -+ (the output shows the number of times the register is written). -+ <td> Read</td> -+ </tr> -+ -+ </table> -+ -+ Example usage: -+ To get the current mode: -+ cat /sys/devices/lm0/mode -+ -+ To power down the USB: -+ echo 0 > /sys/devices/lm0/buspower -+ */ -+#include <linux/kernel.h> -+#include <linux/module.h> -+#include <linux/moduleparam.h> -+#include <linux/init.h> -+#include <linux/device.h> -+#include <linux/errno.h> -+#include <linux/types.h> -+#include <linux/stat.h> /* permission constants */ -+ -+#include <asm/io.h> -+ -+#include "dwc_otg_plat.h" -+#include "dwc_otg_attr.h" -+#include "dwc_otg_driver.h" -+// #include "dwc_otg_pcd.h" -+#include "dwc_otg_hcd.h" -+ -+// 20070316, winder added. -+#ifndef SZ_256K -+#define SZ_256K 0x00040000 -+#endif -+ -+/* -+ * MACROs for defining sysfs attribute -+ */ -+#define DWC_OTG_DEVICE_ATTR_BITFIELD_SHOW(_otg_attr_name_,_addr_,_mask_,_shift_,_string_) \ -+static ssize_t _otg_attr_name_##_show (struct device *_dev, struct device_attribute *attr, char *buf) \ -+{ \ -+ dwc_otg_device_t *otg_dev = dev_get_drvdata(_dev);\ -+ uint32_t val; \ -+ val = dwc_read_reg32 (_addr_); \ -+ val = (val & (_mask_)) >> _shift_; \ -+ return sprintf (buf, "%s = 0x%x\n", _string_, val); \ -+} -+#define DWC_OTG_DEVICE_ATTR_BITFIELD_STORE(_otg_attr_name_,_addr_,_mask_,_shift_,_string_) \ -+static ssize_t _otg_attr_name_##_store (struct device *_dev, struct device_attribute *attr, const char *buf, size_t count) \ -+{ \ -+ dwc_otg_device_t *otg_dev = dev_get_drvdata(_dev);\ -+ uint32_t set = simple_strtoul(buf, NULL, 16); \ -+ uint32_t clear = set; \ -+ clear = ((~clear) << _shift_) & _mask_; \ -+ set = (set << _shift_) & _mask_; \ -+ dev_dbg(_dev, "Storing Address=0x%08x Set=0x%08x Clear=0x%08x\n", (uint32_t)_addr_, set, clear); \ -+ dwc_modify_reg32(_addr_, clear, set); \ -+ return count; \ -+} -+ -+#define DWC_OTG_DEVICE_ATTR_BITFIELD_RW(_otg_attr_name_,_addr_,_mask_,_shift_,_string_) \ -+DWC_OTG_DEVICE_ATTR_BITFIELD_SHOW(_otg_attr_name_,_addr_,_mask_,_shift_,_string_) \ -+DWC_OTG_DEVICE_ATTR_BITFIELD_STORE(_otg_attr_name_,_addr_,_mask_,_shift_,_string_) \ -+DEVICE_ATTR(_otg_attr_name_,0644,_otg_attr_name_##_show,_otg_attr_name_##_store); -+ -+#define DWC_OTG_DEVICE_ATTR_BITFIELD_RO(_otg_attr_name_,_addr_,_mask_,_shift_,_string_) \ -+DWC_OTG_DEVICE_ATTR_BITFIELD_SHOW(_otg_attr_name_,_addr_,_mask_,_shift_,_string_) \ -+DEVICE_ATTR(_otg_attr_name_,0444,_otg_attr_name_##_show,NULL); -+ -+/* -+ * MACROs for defining sysfs attribute for 32-bit registers -+ */ -+#define DWC_OTG_DEVICE_ATTR_REG_SHOW(_otg_attr_name_,_addr_,_string_) \ -+static ssize_t _otg_attr_name_##_show (struct device *_dev, struct device_attribute *attr, char *buf) \ -+{ \ -+ dwc_otg_device_t *otg_dev = dev_get_drvdata(_dev);\ -+ uint32_t val; \ -+ val = dwc_read_reg32 (_addr_); \ -+ return sprintf (buf, "%s = 0x%08x\n", _string_, val); \ -+} -+#define DWC_OTG_DEVICE_ATTR_REG_STORE(_otg_attr_name_,_addr_,_string_) \ -+static ssize_t _otg_attr_name_##_store (struct device *_dev, struct device_attribute *attr, const char *buf, size_t count) \ -+{ \ -+ dwc_otg_device_t *otg_dev = dev_get_drvdata(_dev);\ -+ uint32_t val = simple_strtoul(buf, NULL, 16); \ -+ dev_dbg(_dev, "Storing Address=0x%08x Val=0x%08x\n", (uint32_t)_addr_, val); \ -+ dwc_write_reg32(_addr_, val); \ -+ return count; \ -+} -+ -+#define DWC_OTG_DEVICE_ATTR_REG32_RW(_otg_attr_name_,_addr_,_string_) \ -+DWC_OTG_DEVICE_ATTR_REG_SHOW(_otg_attr_name_,_addr_,_string_) \ -+DWC_OTG_DEVICE_ATTR_REG_STORE(_otg_attr_name_,_addr_,_string_) \ -+DEVICE_ATTR(_otg_attr_name_,0644,_otg_attr_name_##_show,_otg_attr_name_##_store); -+ -+#define DWC_OTG_DEVICE_ATTR_REG32_RO(_otg_attr_name_,_addr_,_string_) \ -+DWC_OTG_DEVICE_ATTR_REG_SHOW(_otg_attr_name_,_addr_,_string_) \ -+DEVICE_ATTR(_otg_attr_name_,0444,_otg_attr_name_##_show,NULL); -+ -+ -+/** @name Functions for Show/Store of Attributes */ -+/**@{*/ -+ -+/** -+ * Show the register offset of the Register Access. -+ */ -+static ssize_t regoffset_show( struct device *_dev, struct device_attribute *attr, char *buf) -+{ -+ dwc_otg_device_t *otg_dev = dev_get_drvdata(_dev); -+ return snprintf(buf, sizeof("0xFFFFFFFF\n")+1,"0x%08x\n", otg_dev->reg_offset); -+} -+ -+/** -+ * Set the register offset for the next Register Access Read/Write -+ */ -+static ssize_t regoffset_store( struct device *_dev, struct device_attribute *attr, const char *buf, -+ size_t count ) -+{ -+ dwc_otg_device_t *otg_dev = dev_get_drvdata(_dev); -+ uint32_t offset = simple_strtoul(buf, NULL, 16); -+ //dev_dbg(_dev, "Offset=0x%08x\n", offset); -+ if (offset < SZ_256K ) { -+ otg_dev->reg_offset = offset; -+ } -+ else { -+ dev_err( _dev, "invalid offset\n" ); -+ } -+ -+ return count; -+} -+DEVICE_ATTR(regoffset, S_IRUGO|S_IWUSR, regoffset_show, regoffset_store); -+ -+/** -+ * Show the value of the register at the offset in the reg_offset -+ * attribute. -+ */ -+static ssize_t regvalue_show( struct device *_dev, struct device_attribute *attr, char *buf) -+{ -+ dwc_otg_device_t *otg_dev = dev_get_drvdata(_dev); -+ uint32_t val; -+ volatile uint32_t *addr; -+ -+ if (otg_dev->reg_offset != 0xFFFFFFFF && 0 != otg_dev->base) { -+ /* Calculate the address */ -+ addr = (uint32_t*)(otg_dev->reg_offset + -+ (uint8_t*)otg_dev->base); -+ //dev_dbg(_dev, "@0x%08x\n", (unsigned)addr); -+ val = dwc_read_reg32( addr ); -+ return snprintf(buf, sizeof("Reg@0xFFFFFFFF = 0xFFFFFFFF\n")+1, -+ "Reg@0x%06x = 0x%08x\n", -+ otg_dev->reg_offset, val); -+ } -+ else { -+ dev_err(_dev, "Invalid offset (0x%0x)\n", -+ otg_dev->reg_offset); -+ return sprintf(buf, "invalid offset\n" ); -+ } -+} -+ -+/** -+ * Store the value in the register at the offset in the reg_offset -+ * attribute. -+ * -+ */ -+static ssize_t regvalue_store( struct device *_dev, struct device_attribute *attr, const char *buf, -+ size_t count ) -+{ -+ dwc_otg_device_t *otg_dev = dev_get_drvdata(_dev); -+ volatile uint32_t * addr; -+ uint32_t val = simple_strtoul(buf, NULL, 16); -+ //dev_dbg(_dev, "Offset=0x%08x Val=0x%08x\n", otg_dev->reg_offset, val); -+ if (otg_dev->reg_offset != 0xFFFFFFFF && 0 != otg_dev->base) { -+ /* Calculate the address */ -+ addr = (uint32_t*)(otg_dev->reg_offset + -+ (uint8_t*)otg_dev->base); -+ //dev_dbg(_dev, "@0x%08x\n", (unsigned)addr); -+ dwc_write_reg32( addr, val ); -+ } -+ else { -+ dev_err(_dev, "Invalid Register Offset (0x%08x)\n", -+ otg_dev->reg_offset); -+ } -+ return count; -+} -+DEVICE_ATTR(regvalue, S_IRUGO|S_IWUSR, regvalue_show, regvalue_store); -+ -+/* -+ * Attributes -+ */ -+DWC_OTG_DEVICE_ATTR_BITFIELD_RO(mode,&(otg_dev->core_if->core_global_regs->gotgctl),(1<<20),20,"Mode"); -+DWC_OTG_DEVICE_ATTR_BITFIELD_RW(hnpcapable,&(otg_dev->core_if->core_global_regs->gusbcfg),(1<<9),9,"Mode"); -+DWC_OTG_DEVICE_ATTR_BITFIELD_RW(srpcapable,&(otg_dev->core_if->core_global_regs->gusbcfg),(1<<8),8,"Mode"); -+ -+//DWC_OTG_DEVICE_ATTR_BITFIELD_RW(buspower,&(otg_dev->core_if->core_global_regs->gotgctl),(1<<8),8,"Mode"); -+//DWC_OTG_DEVICE_ATTR_BITFIELD_RW(bussuspend,&(otg_dev->core_if->core_global_regs->gotgctl),(1<<8),8,"Mode"); -+DWC_OTG_DEVICE_ATTR_BITFIELD_RO(busconnected,otg_dev->core_if->host_if->hprt0,0x01,0,"Bus Connected"); -+ -+DWC_OTG_DEVICE_ATTR_REG32_RW(gotgctl,&(otg_dev->core_if->core_global_regs->gotgctl),"GOTGCTL"); -+DWC_OTG_DEVICE_ATTR_REG32_RW(gusbcfg,&(otg_dev->core_if->core_global_regs->gusbcfg),"GUSBCFG"); -+DWC_OTG_DEVICE_ATTR_REG32_RW(grxfsiz,&(otg_dev->core_if->core_global_regs->grxfsiz),"GRXFSIZ"); -+DWC_OTG_DEVICE_ATTR_REG32_RW(gnptxfsiz,&(otg_dev->core_if->core_global_regs->gnptxfsiz),"GNPTXFSIZ"); -+DWC_OTG_DEVICE_ATTR_REG32_RW(gpvndctl,&(otg_dev->core_if->core_global_regs->gpvndctl),"GPVNDCTL"); -+DWC_OTG_DEVICE_ATTR_REG32_RW(ggpio,&(otg_dev->core_if->core_global_regs->ggpio),"GGPIO"); -+DWC_OTG_DEVICE_ATTR_REG32_RW(guid,&(otg_dev->core_if->core_global_regs->guid),"GUID"); -+DWC_OTG_DEVICE_ATTR_REG32_RO(gsnpsid,&(otg_dev->core_if->core_global_regs->gsnpsid),"GSNPSID"); -+DWC_OTG_DEVICE_ATTR_BITFIELD_RW(devspeed,&(otg_dev->core_if->dev_if->dev_global_regs->dcfg),0x3,0,"Device Speed"); -+DWC_OTG_DEVICE_ATTR_BITFIELD_RO(enumspeed,&(otg_dev->core_if->dev_if->dev_global_regs->dsts),0x6,1,"Device Enumeration Speed"); -+ -+DWC_OTG_DEVICE_ATTR_REG32_RO(hptxfsiz,&(otg_dev->core_if->core_global_regs->hptxfsiz),"HPTXFSIZ"); -+DWC_OTG_DEVICE_ATTR_REG32_RW(hprt0,otg_dev->core_if->host_if->hprt0,"HPRT0"); -+ -+ -+/** -+ * @todo Add code to initiate the HNP. -+ */ -+/** -+ * Show the HNP status bit -+ */ -+static ssize_t hnp_show( struct device *_dev, struct device_attribute *attr, char *buf) -+{ -+ dwc_otg_device_t *otg_dev = dev_get_drvdata(_dev); -+ gotgctl_data_t val; -+ val.d32 = dwc_read_reg32 (&(otg_dev->core_if->core_global_regs->gotgctl)); -+ return sprintf (buf, "HstNegScs = 0x%x\n", val.b.hstnegscs); -+} -+ -+/** -+ * Set the HNP Request bit -+ */ -+static ssize_t hnp_store( struct device *_dev, struct device_attribute *attr, const char *buf, -+ size_t count ) -+{ -+ dwc_otg_device_t *otg_dev = dev_get_drvdata(_dev); -+ uint32_t in = simple_strtoul(buf, NULL, 16); -+ uint32_t *addr = (uint32_t *)&(otg_dev->core_if->core_global_regs->gotgctl); -+ gotgctl_data_t mem; -+ mem.d32 = dwc_read_reg32(addr); -+ mem.b.hnpreq = in; -+ dev_dbg(_dev, "Storing Address=0x%08x Data=0x%08x\n", (uint32_t)addr, mem.d32); -+ dwc_write_reg32(addr, mem.d32); -+ return count; -+} -+DEVICE_ATTR(hnp, 0644, hnp_show, hnp_store); -+ -+/** -+ * @todo Add code to initiate the SRP. -+ */ -+/** -+ * Show the SRP status bit -+ */ -+static ssize_t srp_show( struct device *_dev, struct device_attribute *attr, char *buf) -+{ -+#ifndef DWC_HOST_ONLY -+ dwc_otg_device_t *otg_dev = dev_get_drvdata(_dev); -+ gotgctl_data_t val; -+ val.d32 = dwc_read_reg32 (&(otg_dev->core_if->core_global_regs->gotgctl)); -+ return sprintf (buf, "SesReqScs = 0x%x\n", val.b.sesreqscs); -+#else -+ return sprintf(buf, "Host Only Mode!\n"); -+#endif -+} -+ -+/** -+ * Set the SRP Request bit -+ */ -+static ssize_t srp_store( struct device *_dev, struct device_attribute *attr, const char *buf, -+ size_t count ) -+{ -+#ifndef DWC_HOST_ONLY -+ dwc_otg_device_t *otg_dev = dev_get_drvdata(_dev); -+ dwc_otg_pcd_initiate_srp(otg_dev->pcd); -+#endif -+ return count; -+} -+DEVICE_ATTR(srp, 0644, srp_show, srp_store); -+ -+/** -+ * @todo Need to do more for power on/off? -+ */ -+/** -+ * Show the Bus Power status -+ */ -+static ssize_t buspower_show( struct device *_dev, struct device_attribute *attr, char *buf) -+{ -+ dwc_otg_device_t *otg_dev = dev_get_drvdata(_dev); -+ hprt0_data_t val; -+ val.d32 = dwc_read_reg32 (otg_dev->core_if->host_if->hprt0); -+ return sprintf (buf, "Bus Power = 0x%x\n", val.b.prtpwr); -+} -+ -+ -+/** -+ * Set the Bus Power status -+ */ -+static ssize_t buspower_store( struct device *_dev, struct device_attribute *attr, const char *buf, -+ size_t count ) -+{ -+ dwc_otg_device_t *otg_dev = dev_get_drvdata(_dev); -+ uint32_t on = simple_strtoul(buf, NULL, 16); -+ uint32_t *addr = (uint32_t *)otg_dev->core_if->host_if->hprt0; -+ hprt0_data_t mem; -+ -+ mem.d32 = dwc_read_reg32(addr); -+ mem.b.prtpwr = on; -+ -+ //dev_dbg(_dev, "Storing Address=0x%08x Data=0x%08x\n", (uint32_t)addr, mem.d32); -+ dwc_write_reg32(addr, mem.d32); -+ -+ return count; -+} -+DEVICE_ATTR(buspower, 0644, buspower_show, buspower_store); -+ -+/** -+ * @todo Need to do more for suspend? -+ */ -+/** -+ * Show the Bus Suspend status -+ */ -+static ssize_t bussuspend_show( struct device *_dev, struct device_attribute *attr, char *buf) -+{ -+ dwc_otg_device_t *otg_dev = dev_get_drvdata(_dev); -+ hprt0_data_t val; -+ val.d32 = dwc_read_reg32 (otg_dev->core_if->host_if->hprt0); -+ return sprintf (buf, "Bus Suspend = 0x%x\n", val.b.prtsusp); -+} -+ -+/** -+ * Set the Bus Suspend status -+ */ -+static ssize_t bussuspend_store( struct device *_dev, struct device_attribute *attr, const char *buf, -+ size_t count ) -+{ -+ dwc_otg_device_t *otg_dev = dev_get_drvdata(_dev); -+ uint32_t in = simple_strtoul(buf, NULL, 16); -+ uint32_t *addr = (uint32_t *)otg_dev->core_if->host_if->hprt0; -+ hprt0_data_t mem; -+ mem.d32 = dwc_read_reg32(addr); -+ mem.b.prtsusp = in; -+ dev_dbg(_dev, "Storing Address=0x%08x Data=0x%08x\n", (uint32_t)addr, mem.d32); -+ dwc_write_reg32(addr, mem.d32); -+ return count; -+} -+DEVICE_ATTR(bussuspend, 0644, bussuspend_show, bussuspend_store); -+ -+/** -+ * Show the status of Remote Wakeup. -+ */ -+static ssize_t remote_wakeup_show( struct device *_dev, struct device_attribute *attr, char *buf) -+{ -+#ifndef DWC_HOST_ONLY -+ dwc_otg_device_t *otg_dev = dev_get_drvdata(_dev); -+ dctl_data_t val; -+ val.d32 = dwc_read_reg32( &otg_dev->core_if->dev_if->dev_global_regs->dctl); -+ return sprintf( buf, "Remote Wakeup = %d Enabled = %d\n", -+ val.b.rmtwkupsig, otg_dev->pcd->remote_wakeup_enable); -+#else -+ return sprintf(buf, "Host Only Mode!\n"); -+#endif -+} -+ -+/** -+ * Initiate a remote wakeup of the host. The Device control register -+ * Remote Wakeup Signal bit is written if the PCD Remote wakeup enable -+ * flag is set. -+ * -+ */ -+static ssize_t remote_wakeup_store( struct device *_dev, struct device_attribute *attr, const char *buf, -+ size_t count ) -+{ -+#ifndef DWC_HOST_ONLY -+ uint32_t val = simple_strtoul(buf, NULL, 16); -+ dwc_otg_device_t *otg_dev = dev_get_drvdata(_dev); -+ if (val&1) { -+ dwc_otg_pcd_remote_wakeup(otg_dev->pcd, 1); -+ } -+ else { -+ dwc_otg_pcd_remote_wakeup(otg_dev->pcd, 0); -+ } -+#endif -+ return count; -+} -+DEVICE_ATTR(remote_wakeup, S_IRUGO|S_IWUSR, remote_wakeup_show, -+ remote_wakeup_store); -+ -+/** -+ * Dump global registers and either host or device registers (depending on the -+ * current mode of the core). -+ */ -+static ssize_t regdump_show( struct device *_dev, struct device_attribute *attr, char *buf) -+{ -+#ifdef DEBUG -+ dwc_otg_device_t *otg_dev = dev_get_drvdata(_dev); -+ printk("%s otg_dev=0x%p\n", __FUNCTION__, otg_dev); -+ -+ dwc_otg_dump_global_registers( otg_dev->core_if); -+ if (dwc_otg_is_host_mode(otg_dev->core_if)) { -+ dwc_otg_dump_host_registers( otg_dev->core_if); -+ } else { -+ dwc_otg_dump_dev_registers( otg_dev->core_if); -+ } -+#endif -+ -+ return sprintf( buf, "Register Dump\n" ); -+} -+ -+DEVICE_ATTR(regdump, S_IRUGO|S_IWUSR, regdump_show, 0); -+ -+/** -+ * Dump the current hcd state. -+ */ -+static ssize_t hcddump_show( struct device *_dev, struct device_attribute *attr, char *buf) -+{ -+#ifndef DWC_DEVICE_ONLY -+ dwc_otg_device_t *otg_dev = dev_get_drvdata(_dev); -+ dwc_otg_hcd_dump_state(otg_dev->hcd); -+#endif -+ return sprintf( buf, "HCD Dump\n" ); -+} -+ -+DEVICE_ATTR(hcddump, S_IRUGO|S_IWUSR, hcddump_show, 0); -+ -+/** -+ * Dump the average frame remaining at SOF. This can be used to -+ * determine average interrupt latency. Frame remaining is also shown for -+ * start transfer and two additional sample points. -+ */ -+static ssize_t hcd_frrem_show( struct device *_dev, struct device_attribute *attr, char *buf) -+{ -+#ifndef DWC_DEVICE_ONLY -+ dwc_otg_device_t *otg_dev = dev_get_drvdata(_dev); -+ dwc_otg_hcd_dump_frrem(otg_dev->hcd); -+#endif -+ return sprintf( buf, "HCD Dump Frame Remaining\n" ); -+} -+ -+DEVICE_ATTR(hcd_frrem, S_IRUGO|S_IWUSR, hcd_frrem_show, 0); -+ -+/** -+ * Displays the time required to read the GNPTXFSIZ register many times (the -+ * output shows the number of times the register is read). -+ */ -+#define RW_REG_COUNT 10000000 -+#define MSEC_PER_JIFFIE 1000/HZ -+static ssize_t rd_reg_test_show( struct device *_dev, struct device_attribute *attr, char *buf) -+{ -+ int i; -+ int time; -+ int start_jiffies; -+ dwc_otg_device_t *otg_dev = dev_get_drvdata(_dev); -+ -+ printk("HZ %d, MSEC_PER_JIFFIE %d, loops_per_jiffy %lu\n", -+ HZ, MSEC_PER_JIFFIE, loops_per_jiffy); -+ start_jiffies = jiffies; -+ for (i = 0; i < RW_REG_COUNT; i++) { -+ dwc_read_reg32(&otg_dev->core_if->core_global_regs->gnptxfsiz); -+ } -+ time = jiffies - start_jiffies; -+ return sprintf( buf, "Time to read GNPTXFSIZ reg %d times: %d msecs (%d jiffies)\n", -+ RW_REG_COUNT, time * MSEC_PER_JIFFIE, time ); -+} -+ -+DEVICE_ATTR(rd_reg_test, S_IRUGO|S_IWUSR, rd_reg_test_show, 0); -+ -+/** -+ * Displays the time required to write the GNPTXFSIZ register many times (the -+ * output shows the number of times the register is written). -+ */ -+static ssize_t wr_reg_test_show( struct device *_dev, struct device_attribute *attr, char *buf) -+{ -+ int i; -+ int time; -+ int start_jiffies; -+ dwc_otg_device_t *otg_dev = dev_get_drvdata(_dev); -+ uint32_t reg_val; -+ -+ printk("HZ %d, MSEC_PER_JIFFIE %d, loops_per_jiffy %lu\n", -+ HZ, MSEC_PER_JIFFIE, loops_per_jiffy); -+ reg_val = dwc_read_reg32(&otg_dev->core_if->core_global_regs->gnptxfsiz); -+ start_jiffies = jiffies; -+ for (i = 0; i < RW_REG_COUNT; i++) { -+ dwc_write_reg32(&otg_dev->core_if->core_global_regs->gnptxfsiz, reg_val); -+ } -+ time = jiffies - start_jiffies; -+ return sprintf( buf, "Time to write GNPTXFSIZ reg %d times: %d msecs (%d jiffies)\n", -+ RW_REG_COUNT, time * MSEC_PER_JIFFIE, time); -+} -+ -+DEVICE_ATTR(wr_reg_test, S_IRUGO|S_IWUSR, wr_reg_test_show, 0); -+/**@}*/ -+ -+/** -+ * Create the device files -+ */ -+void dwc_otg_attr_create (struct device *_dev) -+{ -+ int retval; -+ -+ retval = device_create_file(_dev, &dev_attr_regoffset); -+ retval += device_create_file(_dev, &dev_attr_regvalue); -+ retval += device_create_file(_dev, &dev_attr_mode); -+ retval += device_create_file(_dev, &dev_attr_hnpcapable); -+ retval += device_create_file(_dev, &dev_attr_srpcapable); -+ retval += device_create_file(_dev, &dev_attr_hnp); -+ retval += device_create_file(_dev, &dev_attr_srp); -+ retval += device_create_file(_dev, &dev_attr_buspower); -+ retval += device_create_file(_dev, &dev_attr_bussuspend); -+ retval += device_create_file(_dev, &dev_attr_busconnected); -+ retval += device_create_file(_dev, &dev_attr_gotgctl); -+ retval += device_create_file(_dev, &dev_attr_gusbcfg); -+ retval += device_create_file(_dev, &dev_attr_grxfsiz); -+ retval += device_create_file(_dev, &dev_attr_gnptxfsiz); -+ retval += device_create_file(_dev, &dev_attr_gpvndctl); -+ retval += device_create_file(_dev, &dev_attr_ggpio); -+ retval += device_create_file(_dev, &dev_attr_guid); -+ retval += device_create_file(_dev, &dev_attr_gsnpsid); -+ retval += device_create_file(_dev, &dev_attr_devspeed); -+ retval += device_create_file(_dev, &dev_attr_enumspeed); -+ retval += device_create_file(_dev, &dev_attr_hptxfsiz); -+ retval += device_create_file(_dev, &dev_attr_hprt0); -+ retval += device_create_file(_dev, &dev_attr_remote_wakeup); -+ retval += device_create_file(_dev, &dev_attr_regdump); -+ retval += device_create_file(_dev, &dev_attr_hcddump); -+ retval += device_create_file(_dev, &dev_attr_hcd_frrem); -+ retval += device_create_file(_dev, &dev_attr_rd_reg_test); -+ retval += device_create_file(_dev, &dev_attr_wr_reg_test); -+ -+ if(retval != 0) -+ { -+ DWC_PRINT("cannot create sysfs device files.\n"); -+ // DWC_PRINT("killing own sysfs device files!\n"); -+ dwc_otg_attr_remove(_dev); -+ } -+} -+ -+/** -+ * Remove the device files -+ */ -+void dwc_otg_attr_remove (struct device *_dev) -+{ -+ device_remove_file(_dev, &dev_attr_regoffset); -+ device_remove_file(_dev, &dev_attr_regvalue); -+ device_remove_file(_dev, &dev_attr_mode); -+ device_remove_file(_dev, &dev_attr_hnpcapable); -+ device_remove_file(_dev, &dev_attr_srpcapable); -+ device_remove_file(_dev, &dev_attr_hnp); -+ device_remove_file(_dev, &dev_attr_srp); -+ device_remove_file(_dev, &dev_attr_buspower); -+ device_remove_file(_dev, &dev_attr_bussuspend); -+ device_remove_file(_dev, &dev_attr_busconnected); -+ device_remove_file(_dev, &dev_attr_gotgctl); -+ device_remove_file(_dev, &dev_attr_gusbcfg); -+ device_remove_file(_dev, &dev_attr_grxfsiz); -+ device_remove_file(_dev, &dev_attr_gnptxfsiz); -+ device_remove_file(_dev, &dev_attr_gpvndctl); -+ device_remove_file(_dev, &dev_attr_ggpio); -+ device_remove_file(_dev, &dev_attr_guid); -+ device_remove_file(_dev, &dev_attr_gsnpsid); -+ device_remove_file(_dev, &dev_attr_devspeed); -+ device_remove_file(_dev, &dev_attr_enumspeed); -+ device_remove_file(_dev, &dev_attr_hptxfsiz); -+ device_remove_file(_dev, &dev_attr_hprt0); -+ device_remove_file(_dev, &dev_attr_remote_wakeup); -+ device_remove_file(_dev, &dev_attr_regdump); -+ device_remove_file(_dev, &dev_attr_hcddump); -+ device_remove_file(_dev, &dev_attr_hcd_frrem); -+ device_remove_file(_dev, &dev_attr_rd_reg_test); -+ device_remove_file(_dev, &dev_attr_wr_reg_test); -+} ---- /dev/null -+++ b/drivers/usb/dwc_otg/dwc_otg_attr.h -@@ -0,0 +1,67 @@ -+/* ========================================================================== -+ * $File: //dwh/usb_iip/dev/software/otg_ipmate/linux/drivers/dwc_otg_attr.h $ -+ * $Revision: 1.1.1.1 $ -+ * $Date: 2009-04-17 06:15:34 $ -+ * $Change: 510275 $ -+ * -+ * Synopsys HS OTG Linux Software Driver and documentation (hereinafter, -+ * "Software") is an Unsupported proprietary work of Synopsys, Inc. unless -+ * otherwise expressly agreed to in writing between Synopsys and you. -+ * -+ * The Software IS NOT an item of Licensed Software or Licensed Product under -+ * any End User Software License Agreement or Agreement for Licensed Product -+ * with Synopsys or any supplement thereto. You are permitted to use and -+ * redistribute this Software in source and binary forms, with or without -+ * modification, provided that redistributions of source code must retain this -+ * notice. You may not view, use, disclose, copy or distribute this file or -+ * any information contained herein except pursuant to this license grant from -+ * Synopsys. If you do not agree with this notice, including the disclaimer -+ * below, then you are not authorized to use the Software. -+ * -+ * THIS SOFTWARE IS BEING DISTRIBUTED BY SYNOPSYS SOLELY ON AN "AS IS" BASIS -+ * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE -+ * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE -+ * ARE HEREBY DISCLAIMED. IN NO EVENT SHALL SYNOPSYS BE LIABLE FOR ANY DIRECT, -+ * INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES -+ * (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR -+ * SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER -+ * CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT -+ * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY -+ * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH -+ * DAMAGE. -+ * ========================================================================== */ -+ -+#if !defined(__DWC_OTG_ATTR_H__) -+#define __DWC_OTG_ATTR_H__ -+ -+/** @file -+ * This file contains the interface to the Linux device attributes. -+ */ -+extern struct device_attribute dev_attr_regoffset; -+extern struct device_attribute dev_attr_regvalue; -+ -+extern struct device_attribute dev_attr_mode; -+extern struct device_attribute dev_attr_hnpcapable; -+extern struct device_attribute dev_attr_srpcapable; -+extern struct device_attribute dev_attr_hnp; -+extern struct device_attribute dev_attr_srp; -+extern struct device_attribute dev_attr_buspower; -+extern struct device_attribute dev_attr_bussuspend; -+extern struct device_attribute dev_attr_busconnected; -+extern struct device_attribute dev_attr_gotgctl; -+extern struct device_attribute dev_attr_gusbcfg; -+extern struct device_attribute dev_attr_grxfsiz; -+extern struct device_attribute dev_attr_gnptxfsiz; -+extern struct device_attribute dev_attr_gpvndctl; -+extern struct device_attribute dev_attr_ggpio; -+extern struct device_attribute dev_attr_guid; -+extern struct device_attribute dev_attr_gsnpsid; -+extern struct device_attribute dev_attr_devspeed; -+extern struct device_attribute dev_attr_enumspeed; -+extern struct device_attribute dev_attr_hptxfsiz; -+extern struct device_attribute dev_attr_hprt0; -+ -+void dwc_otg_attr_create (struct device *_dev); -+void dwc_otg_attr_remove (struct device *_dev); -+ -+#endif ---- /dev/null -+++ b/drivers/usb/dwc_otg/dwc_otg_cil.c -@@ -0,0 +1,3025 @@ -+/* ========================================================================== -+ * $File: //dwh/usb_iip/dev/software/otg_ipmate/linux/drivers/dwc_otg_cil.c $ -+ * $Revision: 1.1.1.1 $ -+ * $Date: 2009-04-17 06:15:34 $ -+ * $Change: 631780 $ -+ * -+ * Synopsys HS OTG Linux Software Driver and documentation (hereinafter, -+ * "Software") is an Unsupported proprietary work of Synopsys, Inc. unless -+ * otherwise expressly agreed to in writing between Synopsys and you. -+ * -+ * The Software IS NOT an item of Licensed Software or Licensed Product under -+ * any End User Software License Agreement or Agreement for Licensed Product -+ * with Synopsys or any supplement thereto. You are permitted to use and -+ * redistribute this Software in source and binary forms, with or without -+ * modification, provided that redistributions of source code must retain this -+ * notice. You may not view, use, disclose, copy or distribute this file or -+ * any information contained herein except pursuant to this license grant from -+ * Synopsys. If you do not agree with this notice, including the disclaimer -+ * below, then you are not authorized to use the Software. -+ * -+ * THIS SOFTWARE IS BEING DISTRIBUTED BY SYNOPSYS SOLELY ON AN "AS IS" BASIS -+ * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE -+ * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE -+ * ARE HEREBY DISCLAIMED. IN NO EVENT SHALL SYNOPSYS BE LIABLE FOR ANY DIRECT, -+ * INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES -+ * (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR -+ * SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER -+ * CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT -+ * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY -+ * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH -+ * DAMAGE. -+ * ========================================================================== */ -+ -+/** @file -+ * -+ * The Core Interface Layer provides basic services for accessing and -+ * managing the DWC_otg hardware. These services are used by both the -+ * Host Controller Driver and the Peripheral Controller Driver. -+ * -+ * The CIL manages the memory map for the core so that the HCD and PCD -+ * don't have to do this separately. It also handles basic tasks like -+ * reading/writing the registers and data FIFOs in the controller. -+ * Some of the data access functions provide encapsulation of several -+ * operations required to perform a task, such as writing multiple -+ * registers to start a transfer. Finally, the CIL performs basic -+ * services that are not specific to either the host or device modes -+ * of operation. These services include management of the OTG Host -+ * Negotiation Protocol (HNP) and Session Request Protocol (SRP). A -+ * Diagnostic API is also provided to allow testing of the controller -+ * hardware. -+ * -+ * The Core Interface Layer has the following requirements: -+ * - Provides basic controller operations. -+ * - Minimal use of OS services. -+ * - The OS services used will be abstracted by using inline functions -+ * or macros. -+ * -+ */ -+#include <asm/unaligned.h> -+ -+#ifdef DEBUG -+#include <linux/jiffies.h> -+#endif -+ -+#include "dwc_otg_plat.h" -+ -+#include "dwc_otg_regs.h" -+#include "dwc_otg_cil.h" -+ -+/** -+ * This function is called to initialize the DWC_otg CSR data -+ * structures. The register addresses in the device and host -+ * structures are initialized from the base address supplied by the -+ * caller. The calling function must make the OS calls to get the -+ * base address of the DWC_otg controller registers. The core_params -+ * argument holds the parameters that specify how the core should be -+ * configured. -+ * -+ * @param[in] _reg_base_addr Base address of DWC_otg core registers -+ * @param[in] _core_params Pointer to the core configuration parameters -+ * -+ */ -+dwc_otg_core_if_t *dwc_otg_cil_init(const uint32_t *_reg_base_addr, -+ dwc_otg_core_params_t *_core_params) -+{ -+ dwc_otg_core_if_t *core_if = 0; -+ dwc_otg_dev_if_t *dev_if = 0; -+ dwc_otg_host_if_t *host_if = 0; -+ uint8_t *reg_base = (uint8_t *)_reg_base_addr; -+ int i = 0; -+ -+ DWC_DEBUGPL(DBG_CILV, "%s(%p,%p)\n", __func__, _reg_base_addr, _core_params); -+ -+ core_if = kmalloc( sizeof(dwc_otg_core_if_t), GFP_KERNEL); -+ if (core_if == 0) { -+ DWC_DEBUGPL(DBG_CIL, "Allocation of dwc_otg_core_if_t failed\n"); -+ return 0; -+ } -+ memset(core_if, 0, sizeof(dwc_otg_core_if_t)); -+ -+ core_if->core_params = _core_params; -+ core_if->core_global_regs = (dwc_otg_core_global_regs_t *)reg_base; -+ /* -+ * Allocate the Device Mode structures. -+ */ -+ dev_if = kmalloc( sizeof(dwc_otg_dev_if_t), GFP_KERNEL); -+ if (dev_if == 0) { -+ DWC_DEBUGPL(DBG_CIL, "Allocation of dwc_otg_dev_if_t failed\n"); -+ kfree( core_if ); -+ return 0; -+ } -+ -+ dev_if->dev_global_regs = -+ (dwc_otg_device_global_regs_t *)(reg_base + DWC_DEV_GLOBAL_REG_OFFSET); -+ -+ for (i=0; i<MAX_EPS_CHANNELS; i++) { -+ dev_if->in_ep_regs[i] = (dwc_otg_dev_in_ep_regs_t *) -+ (reg_base + DWC_DEV_IN_EP_REG_OFFSET + -+ (i * DWC_EP_REG_OFFSET)); -+ -+ dev_if->out_ep_regs[i] = (dwc_otg_dev_out_ep_regs_t *) -+ (reg_base + DWC_DEV_OUT_EP_REG_OFFSET + -+ (i * DWC_EP_REG_OFFSET)); -+ DWC_DEBUGPL(DBG_CILV, "in_ep_regs[%d]->diepctl=%p\n", -+ i, &dev_if->in_ep_regs[i]->diepctl); -+ DWC_DEBUGPL(DBG_CILV, "out_ep_regs[%d]->doepctl=%p\n", -+ i, &dev_if->out_ep_regs[i]->doepctl); -+ } -+ dev_if->speed = 0; // unknown -+ //dev_if->num_eps = MAX_EPS_CHANNELS; -+ //dev_if->num_perio_eps = 0; -+ -+ core_if->dev_if = dev_if; -+ /* -+ * Allocate the Host Mode structures. -+ */ -+ host_if = kmalloc( sizeof(dwc_otg_host_if_t), GFP_KERNEL); -+ if (host_if == 0) { -+ DWC_DEBUGPL(DBG_CIL, "Allocation of dwc_otg_host_if_t failed\n"); -+ kfree( dev_if ); -+ kfree( core_if ); -+ return 0; -+ } -+ -+ host_if->host_global_regs = (dwc_otg_host_global_regs_t *) -+ (reg_base + DWC_OTG_HOST_GLOBAL_REG_OFFSET); -+ host_if->hprt0 = (uint32_t*)(reg_base + DWC_OTG_HOST_PORT_REGS_OFFSET); -+ for (i=0; i<MAX_EPS_CHANNELS; i++) { -+ host_if->hc_regs[i] = (dwc_otg_hc_regs_t *) -+ (reg_base + DWC_OTG_HOST_CHAN_REGS_OFFSET + -+ (i * DWC_OTG_CHAN_REGS_OFFSET)); -+ DWC_DEBUGPL(DBG_CILV, "hc_reg[%d]->hcchar=%p\n", -+ i, &host_if->hc_regs[i]->hcchar); -+ } -+ host_if->num_host_channels = MAX_EPS_CHANNELS; -+ core_if->host_if = host_if; -+ -+ for (i=0; i<MAX_EPS_CHANNELS; i++) { -+ core_if->data_fifo[i] = -+ (uint32_t *)(reg_base + DWC_OTG_DATA_FIFO_OFFSET + -+ (i * DWC_OTG_DATA_FIFO_SIZE)); -+ DWC_DEBUGPL(DBG_CILV, "data_fifo[%d]=0x%08x\n", -+ i, (unsigned)core_if->data_fifo[i]); -+ } // for loop. -+ -+ core_if->pcgcctl = (uint32_t*)(reg_base + DWC_OTG_PCGCCTL_OFFSET); -+ -+ /* -+ * Store the contents of the hardware configuration registers here for -+ * easy access later. -+ */ -+ core_if->hwcfg1.d32 = dwc_read_reg32(&core_if->core_global_regs->ghwcfg1); -+ core_if->hwcfg2.d32 = dwc_read_reg32(&core_if->core_global_regs->ghwcfg2); -+ core_if->hwcfg3.d32 = dwc_read_reg32(&core_if->core_global_regs->ghwcfg3); -+ core_if->hwcfg4.d32 = dwc_read_reg32(&core_if->core_global_regs->ghwcfg4); -+ -+ DWC_DEBUGPL(DBG_CILV,"hwcfg1=%08x\n",core_if->hwcfg1.d32); -+ DWC_DEBUGPL(DBG_CILV,"hwcfg2=%08x\n",core_if->hwcfg2.d32); -+ DWC_DEBUGPL(DBG_CILV,"hwcfg3=%08x\n",core_if->hwcfg3.d32); -+ DWC_DEBUGPL(DBG_CILV,"hwcfg4=%08x\n",core_if->hwcfg4.d32); -+ -+ -+ DWC_DEBUGPL(DBG_CILV,"op_mode=%0x\n",core_if->hwcfg2.b.op_mode); -+ DWC_DEBUGPL(DBG_CILV,"arch=%0x\n",core_if->hwcfg2.b.architecture); -+ DWC_DEBUGPL(DBG_CILV,"num_dev_ep=%d\n",core_if->hwcfg2.b.num_dev_ep); -+ DWC_DEBUGPL(DBG_CILV,"num_host_chan=%d\n",core_if->hwcfg2.b.num_host_chan); -+ DWC_DEBUGPL(DBG_CILV,"nonperio_tx_q_depth=0x%0x\n",core_if->hwcfg2.b.nonperio_tx_q_depth); -+ DWC_DEBUGPL(DBG_CILV,"host_perio_tx_q_depth=0x%0x\n",core_if->hwcfg2.b.host_perio_tx_q_depth); -+ DWC_DEBUGPL(DBG_CILV,"dev_token_q_depth=0x%0x\n",core_if->hwcfg2.b.dev_token_q_depth); -+ -+ DWC_DEBUGPL(DBG_CILV,"Total FIFO SZ=%d\n", core_if->hwcfg3.b.dfifo_depth); -+ DWC_DEBUGPL(DBG_CILV,"xfer_size_cntr_width=%0x\n", core_if->hwcfg3.b.xfer_size_cntr_width); -+ -+ /* -+ * Set the SRP sucess bit for FS-I2c -+ */ -+ core_if->srp_success = 0; -+ core_if->srp_timer_started = 0; -+ -+ return core_if; -+} -+/** -+ * This function frees the structures allocated by dwc_otg_cil_init(). -+ * -+ * @param[in] _core_if The core interface pointer returned from -+ * dwc_otg_cil_init(). -+ * -+ */ -+void dwc_otg_cil_remove( dwc_otg_core_if_t *_core_if ) -+{ -+ /* Disable all interrupts */ -+ dwc_modify_reg32( &_core_if->core_global_regs->gahbcfg, 1, 0); -+ dwc_write_reg32( &_core_if->core_global_regs->gintmsk, 0); -+ -+ if ( _core_if->dev_if ) { -+ kfree( _core_if->dev_if ); -+ } -+ if ( _core_if->host_if ) { -+ kfree( _core_if->host_if ); -+ } -+ kfree( _core_if ); -+} -+ -+/** -+ * This function enables the controller's Global Interrupt in the AHB Config -+ * register. -+ * -+ * @param[in] _core_if Programming view of DWC_otg controller. -+ */ -+extern void dwc_otg_enable_global_interrupts( dwc_otg_core_if_t *_core_if ) -+{ -+ gahbcfg_data_t ahbcfg = { .d32 = 0}; -+ ahbcfg.b.glblintrmsk = 1; /* Enable interrupts */ -+ dwc_modify_reg32(&_core_if->core_global_regs->gahbcfg, 0, ahbcfg.d32); -+} -+/** -+ * This function disables the controller's Global Interrupt in the AHB Config -+ * register. -+ * -+ * @param[in] _core_if Programming view of DWC_otg controller. -+ */ -+extern void dwc_otg_disable_global_interrupts( dwc_otg_core_if_t *_core_if ) -+{ -+ gahbcfg_data_t ahbcfg = { .d32 = 0}; -+ ahbcfg.b.glblintrmsk = 1; /* Enable interrupts */ -+ dwc_modify_reg32(&_core_if->core_global_regs->gahbcfg, ahbcfg.d32, 0); -+} -+ -+/** -+ * This function initializes the commmon interrupts, used in both -+ * device and host modes. -+ * -+ * @param[in] _core_if Programming view of the DWC_otg controller -+ * -+ */ -+static void dwc_otg_enable_common_interrupts(dwc_otg_core_if_t *_core_if) -+{ -+ dwc_otg_core_global_regs_t *global_regs = -+ _core_if->core_global_regs; -+ gintmsk_data_t intr_mask = { .d32 = 0}; -+ /* Clear any pending OTG Interrupts */ -+ dwc_write_reg32( &global_regs->gotgint, 0xFFFFFFFF); -+ /* Clear any pending interrupts */ -+ dwc_write_reg32( &global_regs->gintsts, 0xFFFFFFFF); -+ /* -+ * Enable the interrupts in the GINTMSK. -+ */ -+ intr_mask.b.modemismatch = 1; -+ intr_mask.b.otgintr = 1; -+ if (!_core_if->dma_enable) { -+ intr_mask.b.rxstsqlvl = 1; -+ } -+ intr_mask.b.conidstschng = 1; -+ intr_mask.b.wkupintr = 1; -+ intr_mask.b.disconnect = 1; -+ intr_mask.b.usbsuspend = 1; -+ intr_mask.b.sessreqintr = 1; -+ dwc_write_reg32( &global_regs->gintmsk, intr_mask.d32); -+} -+ -+/** -+ * Initializes the FSLSPClkSel field of the HCFG register depending on the PHY -+ * type. -+ */ -+static void init_fslspclksel(dwc_otg_core_if_t *_core_if) -+{ -+ uint32_t val; -+ hcfg_data_t hcfg; -+ -+ if (((_core_if->hwcfg2.b.hs_phy_type == 2) && -+ (_core_if->hwcfg2.b.fs_phy_type == 1) && -+ (_core_if->core_params->ulpi_fs_ls)) || -+ (_core_if->core_params->phy_type == DWC_PHY_TYPE_PARAM_FS)) -+ { -+ /* Full speed PHY */ -+ val = DWC_HCFG_48_MHZ; -+ } else { -+ /* High speed PHY running at full speed or high speed */ -+ val = DWC_HCFG_30_60_MHZ; -+ } -+ -+ DWC_DEBUGPL(DBG_CIL, "Initializing HCFG.FSLSPClkSel to 0x%1x\n", val); -+ hcfg.d32 = dwc_read_reg32(&_core_if->host_if->host_global_regs->hcfg); -+ hcfg.b.fslspclksel = val; -+ dwc_write_reg32(&_core_if->host_if->host_global_regs->hcfg, hcfg.d32); -+} -+ -+/** -+ * Initializes the DevSpd field of the DCFG register depending on the PHY type -+ * and the enumeration speed of the device. -+ */ -+static void init_devspd(dwc_otg_core_if_t *_core_if) -+{ -+ uint32_t val; -+ dcfg_data_t dcfg; -+ -+ if (((_core_if->hwcfg2.b.hs_phy_type == 2) && -+ (_core_if->hwcfg2.b.fs_phy_type == 1) && -+ (_core_if->core_params->ulpi_fs_ls)) || -+ (_core_if->core_params->phy_type == DWC_PHY_TYPE_PARAM_FS)) -+ { -+ /* Full speed PHY */ -+ val = 0x3; -+ } else if (_core_if->core_params->speed == DWC_SPEED_PARAM_FULL) { -+ /* High speed PHY running at full speed */ -+ val = 0x1; -+ } else { -+ /* High speed PHY running at high speed */ -+ val = 0x0; -+ } -+ -+ DWC_DEBUGPL(DBG_CIL, "Initializing DCFG.DevSpd to 0x%1x\n", val); -+ dcfg.d32 = dwc_read_reg32(&_core_if->dev_if->dev_global_regs->dcfg); -+ dcfg.b.devspd = val; -+ dwc_write_reg32(&_core_if->dev_if->dev_global_regs->dcfg, dcfg.d32); -+} -+ -+/** -+ * This function calculates the number of IN EPS -+ * using GHWCFG1 and GHWCFG2 registers values -+ * -+ * @param _pcd the pcd structure. -+ */ -+static uint32_t calc_num_in_eps(dwc_otg_core_if_t * _core_if) -+{ -+ uint32_t num_in_eps = 0; -+ uint32_t num_eps = _core_if->hwcfg2.b.num_dev_ep; -+ uint32_t hwcfg1 = _core_if->hwcfg1.d32 >> 2; -+ uint32_t num_tx_fifos = _core_if->hwcfg4.b.num_in_eps; -+ int i; -+ for (i = 0; i < num_eps; ++i) { -+ if (!(hwcfg1 & 0x1)) -+ num_in_eps++; -+ hwcfg1 >>= 2; -+ } -+ if (_core_if->hwcfg4.b.ded_fifo_en) { -+ num_in_eps = (num_in_eps > num_tx_fifos) ? num_tx_fifos : num_in_eps; -+ } -+ return num_in_eps; -+} -+ -+ -+/** -+ * This function calculates the number of OUT EPS -+ * using GHWCFG1 and GHWCFG2 registers values -+ * -+ * @param _pcd the pcd structure. -+ */ -+static uint32_t calc_num_out_eps(dwc_otg_core_if_t * _core_if) -+{ -+ uint32_t num_out_eps = 0; -+ uint32_t num_eps = _core_if->hwcfg2.b.num_dev_ep; -+ uint32_t hwcfg1 = _core_if->hwcfg1.d32 >> 2; -+ int i; -+ for (i = 0; i < num_eps; ++i) { -+ if (!(hwcfg1 & 0x2)) -+ num_out_eps++; -+ hwcfg1 >>= 2; -+ } -+ return num_out_eps; -+} -+/** -+ * This function initializes the DWC_otg controller registers and -+ * prepares the core for device mode or host mode operation. -+ * -+ * @param _core_if Programming view of the DWC_otg controller -+ * -+ */ -+void dwc_otg_core_init(dwc_otg_core_if_t *_core_if) -+{ -+ dwc_otg_core_global_regs_t * global_regs = _core_if->core_global_regs; -+ dwc_otg_dev_if_t *dev_if = _core_if->dev_if; -+ int i = 0; -+ gahbcfg_data_t ahbcfg = { .d32 = 0}; -+ gusbcfg_data_t usbcfg = { .d32 = 0 }; -+ gi2cctl_data_t i2cctl = {.d32 = 0}; -+ -+ DWC_DEBUGPL(DBG_CILV, "dwc_otg_core_init(%p)\n",_core_if); -+ -+ /* Common Initialization */ -+ -+ usbcfg.d32 = dwc_read_reg32(&global_regs->gusbcfg); -+ DWC_DEBUGPL(DBG_CIL, "USB config register: 0x%08x\n", usbcfg.d32); -+ -+ /* Program the ULPI External VBUS bit if needed */ -+ //usbcfg.b.ulpi_ext_vbus_drv = 1; -+ //usbcfg.b.ulpi_ext_vbus_drv = 0; -+ usbcfg.b.ulpi_ext_vbus_drv = -+ (_core_if->core_params->phy_ulpi_ext_vbus == DWC_PHY_ULPI_EXTERNAL_VBUS) ? 1 : 0; -+ -+ /* Set external TS Dline pulsing */ -+ usbcfg.b.term_sel_dl_pulse = (_core_if->core_params->ts_dline == 1) ? 1 : 0; -+ dwc_write_reg32 (&global_regs->gusbcfg, usbcfg.d32); -+ -+ /* Reset the Controller */ -+ dwc_otg_core_reset( _core_if ); -+ -+ /* Initialize parameters from Hardware configuration registers. */ -+#if 0 -+ dev_if->num_eps = _core_if->hwcfg2.b.num_dev_ep; -+ dev_if->num_perio_eps = _core_if->hwcfg4.b.num_dev_perio_in_ep; -+#else -+ dev_if->num_in_eps = calc_num_in_eps(_core_if); -+ dev_if->num_out_eps = calc_num_out_eps(_core_if); -+#endif -+ DWC_DEBUGPL(DBG_CIL, "num_dev_perio_in_ep=%d\n", -+ _core_if->hwcfg4.b.num_dev_perio_in_ep); -+ DWC_DEBUGPL(DBG_CIL, "Is power optimization enabled? %s\n", -+ _core_if->hwcfg4.b.power_optimiz ? "Yes" : "No"); -+ DWC_DEBUGPL(DBG_CIL, "vbus_valid filter enabled? %s\n", -+ _core_if->hwcfg4.b.vbus_valid_filt_en ? "Yes" : "No"); -+ DWC_DEBUGPL(DBG_CIL, "iddig filter enabled? %s\n", -+ _core_if->hwcfg4.b.iddig_filt_en ? "Yes" : "No"); -+ -+ DWC_DEBUGPL(DBG_CIL, "num_dev_perio_in_ep=%d\n",_core_if->hwcfg4.b.num_dev_perio_in_ep); -+ for (i=0; i < _core_if->hwcfg4.b.num_dev_perio_in_ep; i++) { -+ dev_if->perio_tx_fifo_size[i] = -+ dwc_read_reg32(&global_regs->dptxfsiz_dieptxf[i]) >> 16; -+ DWC_DEBUGPL(DBG_CIL, "Periodic Tx FIFO SZ #%d=0x%0x\n", i, -+ dev_if->perio_tx_fifo_size[i]); -+ } -+ for (i = 0; i < _core_if->hwcfg4.b.num_in_eps; i++) { -+ dev_if->tx_fifo_size[i] = -+ dwc_read_reg32(&global_regs->dptxfsiz_dieptxf[i]) >> 16; -+ DWC_DEBUGPL(DBG_CIL, "Tx FIFO SZ #%d=0x%0x\n", i, -+ dev_if->perio_tx_fifo_size[i]); -+ } -+ -+ _core_if->total_fifo_size = _core_if->hwcfg3.b.dfifo_depth; -+ _core_if->rx_fifo_size = dwc_read_reg32(&global_regs->grxfsiz); -+ _core_if->nperio_tx_fifo_size = dwc_read_reg32(&global_regs->gnptxfsiz) >> 16; -+ -+ DWC_DEBUGPL(DBG_CIL, "Total FIFO SZ=%d\n", _core_if->total_fifo_size); -+ DWC_DEBUGPL(DBG_CIL, "Rx FIFO SZ=%d\n", _core_if->rx_fifo_size); -+ DWC_DEBUGPL(DBG_CIL, "NP Tx FIFO SZ=%d\n", _core_if->nperio_tx_fifo_size); -+ -+ /* This programming sequence needs to happen in FS mode before any other -+ * programming occurs */ -+ if ((_core_if->core_params->speed == DWC_SPEED_PARAM_FULL) && -+ (_core_if->core_params->phy_type == DWC_PHY_TYPE_PARAM_FS)) { -+ /* If FS mode with FS PHY */ -+ -+ /* core_init() is now called on every switch so only call the -+ * following for the first time through. */ -+ if (!_core_if->phy_init_done) { -+ _core_if->phy_init_done = 1; -+ DWC_DEBUGPL(DBG_CIL, "FS_PHY detected\n"); -+ usbcfg.d32 = dwc_read_reg32(&global_regs->gusbcfg); -+ usbcfg.b.physel = 1; -+ dwc_write_reg32 (&global_regs->gusbcfg, usbcfg.d32); -+ -+ /* Reset after a PHY select */ -+ dwc_otg_core_reset( _core_if ); -+ } -+ -+ /* Program DCFG.DevSpd or HCFG.FSLSPclkSel to 48Mhz in FS. Also -+ * do this on HNP Dev/Host mode switches (done in dev_init and -+ * host_init). */ -+ if (dwc_otg_is_host_mode(_core_if)) { -+ DWC_DEBUGPL(DBG_CIL, "host mode\n"); -+ init_fslspclksel(_core_if); -+ } else { -+ DWC_DEBUGPL(DBG_CIL, "device mode\n"); -+ init_devspd(_core_if); -+ } -+ -+ if (_core_if->core_params->i2c_enable) { -+ DWC_DEBUGPL(DBG_CIL, "FS_PHY Enabling I2c\n"); -+ /* Program GUSBCFG.OtgUtmifsSel to I2C */ -+ usbcfg.d32 = dwc_read_reg32(&global_regs->gusbcfg); -+ usbcfg.b.otgutmifssel = 1; -+ dwc_write_reg32 (&global_regs->gusbcfg, usbcfg.d32); -+ -+ /* Program GI2CCTL.I2CEn */ -+ i2cctl.d32 = dwc_read_reg32(&global_regs->gi2cctl); -+ i2cctl.b.i2cdevaddr = 1; -+ i2cctl.b.i2cen = 0; -+ dwc_write_reg32 (&global_regs->gi2cctl, i2cctl.d32); -+ i2cctl.b.i2cen = 1; -+ dwc_write_reg32 (&global_regs->gi2cctl, i2cctl.d32); -+ } -+ -+ } /* endif speed == DWC_SPEED_PARAM_FULL */ -+ else { -+ /* High speed PHY. */ -+ if (!_core_if->phy_init_done) { -+ _core_if->phy_init_done = 1; -+ DWC_DEBUGPL(DBG_CIL, "High spped PHY\n"); -+ /* HS PHY parameters. These parameters are preserved -+ * during soft reset so only program the first time. Do -+ * a soft reset immediately after setting phyif. */ -+ usbcfg.b.ulpi_utmi_sel = _core_if->core_params->phy_type; -+ if (usbcfg.b.ulpi_utmi_sel == 2) { // winder -+ DWC_DEBUGPL(DBG_CIL, "ULPI\n"); -+ /* ULPI interface */ -+ usbcfg.b.phyif = 0; -+ usbcfg.b.ddrsel = _core_if->core_params->phy_ulpi_ddr; -+ } else { -+ /* UTMI+ interface */ -+ if (_core_if->core_params->phy_utmi_width == 16) { -+ usbcfg.b.phyif = 1; -+ DWC_DEBUGPL(DBG_CIL, "UTMI+ 16\n"); -+ } else { -+ DWC_DEBUGPL(DBG_CIL, "UTMI+ 8\n"); -+ usbcfg.b.phyif = 0; -+ } -+ } -+ dwc_write_reg32( &global_regs->gusbcfg, usbcfg.d32); -+ -+ /* Reset after setting the PHY parameters */ -+ dwc_otg_core_reset( _core_if ); -+ } -+ } -+ -+ if ((_core_if->hwcfg2.b.hs_phy_type == 2) && -+ (_core_if->hwcfg2.b.fs_phy_type == 1) && -+ (_core_if->core_params->ulpi_fs_ls)) -+ { -+ DWC_DEBUGPL(DBG_CIL, "Setting ULPI FSLS\n"); -+ usbcfg.d32 = dwc_read_reg32(&global_regs->gusbcfg); -+ usbcfg.b.ulpi_fsls = 1; -+ usbcfg.b.ulpi_clk_sus_m = 1; -+ dwc_write_reg32(&global_regs->gusbcfg, usbcfg.d32); -+ } else { -+ DWC_DEBUGPL(DBG_CIL, "Setting ULPI FSLS=0\n"); -+ usbcfg.d32 = dwc_read_reg32(&global_regs->gusbcfg); -+ usbcfg.b.ulpi_fsls = 0; -+ usbcfg.b.ulpi_clk_sus_m = 0; -+ dwc_write_reg32(&global_regs->gusbcfg, usbcfg.d32); -+ } -+ -+ /* Program the GAHBCFG Register.*/ -+ switch (_core_if->hwcfg2.b.architecture){ -+ -+ case DWC_SLAVE_ONLY_ARCH: -+ DWC_DEBUGPL(DBG_CIL, "Slave Only Mode\n"); -+ ahbcfg.b.nptxfemplvl_txfemplvl = DWC_GAHBCFG_TXFEMPTYLVL_HALFEMPTY; -+ ahbcfg.b.ptxfemplvl = DWC_GAHBCFG_TXFEMPTYLVL_HALFEMPTY; -+ _core_if->dma_enable = 0; -+ break; -+ -+ case DWC_EXT_DMA_ARCH: -+ DWC_DEBUGPL(DBG_CIL, "External DMA Mode\n"); -+ ahbcfg.b.hburstlen = _core_if->core_params->dma_burst_size; -+ _core_if->dma_enable = (_core_if->core_params->dma_enable != 0); -+ break; -+ -+ case DWC_INT_DMA_ARCH: -+ DWC_DEBUGPL(DBG_CIL, "Internal DMA Mode\n"); -+ //ahbcfg.b.hburstlen = DWC_GAHBCFG_INT_DMA_BURST_INCR; -+ ahbcfg.b.hburstlen = DWC_GAHBCFG_INT_DMA_BURST_INCR4; -+ _core_if->dma_enable = (_core_if->core_params->dma_enable != 0); -+ break; -+ } -+ ahbcfg.b.dmaenable = _core_if->dma_enable; -+ dwc_write_reg32(&global_regs->gahbcfg, ahbcfg.d32); -+ _core_if->en_multiple_tx_fifo = _core_if->hwcfg4.b.ded_fifo_en; -+ -+ /* -+ * Program the GUSBCFG register. -+ */ -+ usbcfg.d32 = dwc_read_reg32( &global_regs->gusbcfg ); -+ -+ switch (_core_if->hwcfg2.b.op_mode) { -+ case DWC_MODE_HNP_SRP_CAPABLE: -+ usbcfg.b.hnpcap = (_core_if->core_params->otg_cap == -+ DWC_OTG_CAP_PARAM_HNP_SRP_CAPABLE); -+ usbcfg.b.srpcap = (_core_if->core_params->otg_cap != -+ DWC_OTG_CAP_PARAM_NO_HNP_SRP_CAPABLE); -+ break; -+ -+ case DWC_MODE_SRP_ONLY_CAPABLE: -+ usbcfg.b.hnpcap = 0; -+ usbcfg.b.srpcap = (_core_if->core_params->otg_cap != -+ DWC_OTG_CAP_PARAM_NO_HNP_SRP_CAPABLE); -+ break; -+ -+ case DWC_MODE_NO_HNP_SRP_CAPABLE: -+ usbcfg.b.hnpcap = 0; -+ usbcfg.b.srpcap = 0; -+ break; -+ -+ case DWC_MODE_SRP_CAPABLE_DEVICE: -+ usbcfg.b.hnpcap = 0; -+ usbcfg.b.srpcap = (_core_if->core_params->otg_cap != -+ DWC_OTG_CAP_PARAM_NO_HNP_SRP_CAPABLE); -+ break; -+ -+ case DWC_MODE_NO_SRP_CAPABLE_DEVICE: -+ usbcfg.b.hnpcap = 0; -+ usbcfg.b.srpcap = 0; -+ break; -+ -+ case DWC_MODE_SRP_CAPABLE_HOST: -+ usbcfg.b.hnpcap = 0; -+ usbcfg.b.srpcap = (_core_if->core_params->otg_cap != -+ DWC_OTG_CAP_PARAM_NO_HNP_SRP_CAPABLE); -+ break; -+ -+ case DWC_MODE_NO_SRP_CAPABLE_HOST: -+ usbcfg.b.hnpcap = 0; -+ usbcfg.b.srpcap = 0; -+ break; -+ } -+ -+ dwc_write_reg32( &global_regs->gusbcfg, usbcfg.d32); -+ -+ /* Enable common interrupts */ -+ dwc_otg_enable_common_interrupts( _core_if ); -+ -+ /* Do device or host intialization based on mode during PCD -+ * and HCD initialization */ -+ if (dwc_otg_is_host_mode( _core_if )) { -+ DWC_DEBUGPL(DBG_ANY, "Host Mode\n" ); -+ _core_if->op_state = A_HOST; -+ } else { -+ DWC_DEBUGPL(DBG_ANY, "Device Mode\n" ); -+ _core_if->op_state = B_PERIPHERAL; -+#ifdef DWC_DEVICE_ONLY -+ dwc_otg_core_dev_init( _core_if ); -+#endif -+ } -+} -+ -+ -+/** -+ * This function enables the Device mode interrupts. -+ * -+ * @param _core_if Programming view of DWC_otg controller -+ */ -+void dwc_otg_enable_device_interrupts(dwc_otg_core_if_t *_core_if) -+{ -+ gintmsk_data_t intr_mask = { .d32 = 0}; -+ dwc_otg_core_global_regs_t * global_regs = _core_if->core_global_regs; -+ -+ DWC_DEBUGPL(DBG_CIL, "%s()\n", __func__); -+ -+ /* Disable all interrupts. */ -+ dwc_write_reg32( &global_regs->gintmsk, 0); -+ -+ /* Clear any pending interrupts */ -+ dwc_write_reg32( &global_regs->gintsts, 0xFFFFFFFF); -+ -+ /* Enable the common interrupts */ -+ dwc_otg_enable_common_interrupts( _core_if ); -+ -+ /* Enable interrupts */ -+ intr_mask.b.usbreset = 1; -+ intr_mask.b.enumdone = 1; -+ //intr_mask.b.epmismatch = 1; -+ intr_mask.b.inepintr = 1; -+ intr_mask.b.outepintr = 1; -+ intr_mask.b.erlysuspend = 1; -+ if (_core_if->en_multiple_tx_fifo == 0) { -+ intr_mask.b.epmismatch = 1; -+ } -+ -+ /** @todo NGS: Should this be a module parameter? */ -+ intr_mask.b.isooutdrop = 1; -+ intr_mask.b.eopframe = 1; -+ intr_mask.b.incomplisoin = 1; -+ intr_mask.b.incomplisoout = 1; -+ -+ dwc_modify_reg32( &global_regs->gintmsk, intr_mask.d32, intr_mask.d32); -+ -+ DWC_DEBUGPL(DBG_CIL, "%s() gintmsk=%0x\n", __func__, -+ dwc_read_reg32( &global_regs->gintmsk)); -+} -+ -+/** -+ * This function initializes the DWC_otg controller registers for -+ * device mode. -+ * -+ * @param _core_if Programming view of DWC_otg controller -+ * -+ */ -+void dwc_otg_core_dev_init(dwc_otg_core_if_t *_core_if) -+{ -+ dwc_otg_core_global_regs_t *global_regs = -+ _core_if->core_global_regs; -+ dwc_otg_dev_if_t *dev_if = _core_if->dev_if; -+ dwc_otg_core_params_t *params = _core_if->core_params; -+ dcfg_data_t dcfg = {.d32 = 0}; -+ grstctl_t resetctl = { .d32=0 }; -+ int i; -+ uint32_t rx_fifo_size; -+ fifosize_data_t nptxfifosize; -+ fifosize_data_t txfifosize; -+ dthrctl_data_t dthrctl; -+ -+ fifosize_data_t ptxfifosize; -+ -+ /* Restart the Phy Clock */ -+ dwc_write_reg32(_core_if->pcgcctl, 0); -+ -+ /* Device configuration register */ -+ init_devspd(_core_if); -+ dcfg.d32 = dwc_read_reg32( &dev_if->dev_global_regs->dcfg); -+ dcfg.b.perfrint = DWC_DCFG_FRAME_INTERVAL_80; -+ dwc_write_reg32( &dev_if->dev_global_regs->dcfg, dcfg.d32 ); -+ -+ /* Configure data FIFO sizes */ -+ if ( _core_if->hwcfg2.b.dynamic_fifo && params->enable_dynamic_fifo ) { -+ -+ DWC_DEBUGPL(DBG_CIL, "Total FIFO Size=%d\n", _core_if->total_fifo_size); -+ DWC_DEBUGPL(DBG_CIL, "Rx FIFO Size=%d\n", params->dev_rx_fifo_size); -+ DWC_DEBUGPL(DBG_CIL, "NP Tx FIFO Size=%d\n", params->dev_nperio_tx_fifo_size); -+ -+ /* Rx FIFO */ -+ DWC_DEBUGPL(DBG_CIL, "initial grxfsiz=%08x\n", -+ dwc_read_reg32(&global_regs->grxfsiz)); -+ rx_fifo_size = params->dev_rx_fifo_size; -+ dwc_write_reg32( &global_regs->grxfsiz, rx_fifo_size ); -+ DWC_DEBUGPL(DBG_CIL, "new grxfsiz=%08x\n", -+ dwc_read_reg32(&global_regs->grxfsiz)); -+ -+ /** Set Periodic Tx FIFO Mask all bits 0 */ -+ _core_if->p_tx_msk = 0; -+ -+ /** Set Tx FIFO Mask all bits 0 */ -+ _core_if->tx_msk = 0; -+ if (_core_if->en_multiple_tx_fifo == 0) { -+ /* Non-periodic Tx FIFO */ -+ DWC_DEBUGPL(DBG_CIL, "initial gnptxfsiz=%08x\n", -+ dwc_read_reg32(&global_regs->gnptxfsiz)); -+ nptxfifosize.b.depth = params->dev_nperio_tx_fifo_size; -+ nptxfifosize.b.startaddr = params->dev_rx_fifo_size; -+ dwc_write_reg32( &global_regs->gnptxfsiz, nptxfifosize.d32 ); -+ DWC_DEBUGPL(DBG_CIL, "new gnptxfsiz=%08x\n", -+ dwc_read_reg32(&global_regs->gnptxfsiz)); -+ -+ -+ /**@todo NGS: Fix Periodic FIFO Sizing! */ -+ /* -+ * Periodic Tx FIFOs These FIFOs are numbered from 1 to 15. -+ * Indexes of the FIFO size module parameters in the -+ * dev_perio_tx_fifo_size array and the FIFO size registers in -+ * the dptxfsiz array run from 0 to 14. -+ */ -+ /** @todo Finish debug of this */ -+ ptxfifosize.b.startaddr = -+ nptxfifosize.b.startaddr + nptxfifosize.b.depth; -+ for (i = 0; i < _core_if->hwcfg4.b.num_dev_perio_in_ep;i++) { -+ ptxfifosize.b.depth = params->dev_perio_tx_fifo_size[i]; -+ DWC_DEBUGPL(DBG_CIL,"initial dptxfsiz_dieptxf[%d]=%08x\n", -+ i,dwc_read_reg32(&global_regs->dptxfsiz_dieptxf[i])); -+ dwc_write_reg32(&global_regs->dptxfsiz_dieptxf[i],ptxfifosize.d32); -+ DWC_DEBUGPL(DBG_CIL,"new dptxfsiz_dieptxf[%d]=%08x\n", -+ i,dwc_read_reg32(&global_regs->dptxfsiz_dieptxf[i])); -+ ptxfifosize.b.startaddr += ptxfifosize.b.depth; -+ } -+ } else { -+ -+ /* -+ * Tx FIFOs These FIFOs are numbered from 1 to 15. -+ * Indexes of the FIFO size module parameters in the -+ * dev_tx_fifo_size array and the FIFO size registers in -+ * the dptxfsiz_dieptxf array run from 0 to 14. -+ */ -+ -+ /* Non-periodic Tx FIFO */ -+ DWC_DEBUGPL(DBG_CIL, "initial gnptxfsiz=%08x\n", -+ dwc_read_reg32(&global_regs->gnptxfsiz)); -+ nptxfifosize.b.depth = params->dev_nperio_tx_fifo_size; -+ nptxfifosize.b.startaddr = params->dev_rx_fifo_size; -+ dwc_write_reg32(&global_regs->gnptxfsiz, nptxfifosize.d32); -+ DWC_DEBUGPL(DBG_CIL, "new gnptxfsiz=%08x\n", -+ dwc_read_reg32(&global_regs->gnptxfsiz)); -+ txfifosize.b.startaddr = nptxfifosize.b.startaddr + nptxfifosize.b.depth; -+ for (i = 1;i < _core_if->hwcfg4.b.num_dev_perio_in_ep;i++) { -+ txfifosize.b.depth = params->dev_tx_fifo_size[i]; -+ DWC_DEBUGPL(DBG_CIL,"initial dptxfsiz_dieptxf[%d]=%08x\n", -+ i,dwc_read_reg32(&global_regs->dptxfsiz_dieptxf[i])); -+ dwc_write_reg32(&global_regs->dptxfsiz_dieptxf[i - 1],txfifosize.d32); -+ DWC_DEBUGPL(DBG_CIL,"new dptxfsiz_dieptxf[%d]=%08x\n", -+ i,dwc_read_reg32(&global_regs->dptxfsiz_dieptxf[i-1])); -+ txfifosize.b.startaddr += txfifosize.b.depth; -+ } -+ } -+ } -+ /* Flush the FIFOs */ -+ dwc_otg_flush_tx_fifo(_core_if, 0x10); /* all Tx FIFOs */ -+ dwc_otg_flush_rx_fifo(_core_if); -+ -+ /* Flush the Learning Queue. */ -+ resetctl.b.intknqflsh = 1; -+ dwc_write_reg32( &_core_if->core_global_regs->grstctl, resetctl.d32); -+ -+ /* Clear all pending Device Interrupts */ -+ dwc_write_reg32( &dev_if->dev_global_regs->diepmsk, 0 ); -+ dwc_write_reg32( &dev_if->dev_global_regs->doepmsk, 0 ); -+ dwc_write_reg32( &dev_if->dev_global_regs->daint, 0xFFFFFFFF ); -+ dwc_write_reg32( &dev_if->dev_global_regs->daintmsk, 0 ); -+ -+ for (i = 0; i <= dev_if->num_in_eps; i++) { -+ depctl_data_t depctl; -+ depctl.d32 = dwc_read_reg32(&dev_if->in_ep_regs[i]->diepctl); -+ if (depctl.b.epena) { -+ depctl.d32 = 0; -+ depctl.b.epdis = 1; -+ depctl.b.snak = 1; -+ } else { -+ depctl.d32 = 0; -+ } -+ dwc_write_reg32( &dev_if->in_ep_regs[i]->diepctl, depctl.d32); -+ -+ dwc_write_reg32(&dev_if->in_ep_regs[i]->dieptsiz, 0); -+ dwc_write_reg32(&dev_if->in_ep_regs[i]->diepdma, 0); -+ dwc_write_reg32(&dev_if->in_ep_regs[i]->diepint, 0xFF); -+ } -+ for (i = 0; i <= dev_if->num_out_eps; i++) { -+ depctl_data_t depctl; -+ depctl.d32 = dwc_read_reg32(&dev_if->out_ep_regs[i]->doepctl); -+ if (depctl.b.epena) { -+ depctl.d32 = 0; -+ depctl.b.epdis = 1; -+ depctl.b.snak = 1; -+ } else { -+ depctl.d32 = 0; -+ } -+ dwc_write_reg32( &dev_if->out_ep_regs[i]->doepctl, depctl.d32); -+ -+ //dwc_write_reg32( &dev_if->in_ep_regs[i]->dieptsiz, 0); -+ dwc_write_reg32( &dev_if->out_ep_regs[i]->doeptsiz, 0); -+ //dwc_write_reg32( &dev_if->in_ep_regs[i]->diepdma, 0); -+ dwc_write_reg32( &dev_if->out_ep_regs[i]->doepdma, 0); -+ //dwc_write_reg32( &dev_if->in_ep_regs[i]->diepint, 0xFF); -+ dwc_write_reg32( &dev_if->out_ep_regs[i]->doepint, 0xFF); -+ } -+ -+ if (_core_if->en_multiple_tx_fifo && _core_if->dma_enable) { -+ dev_if->non_iso_tx_thr_en = _core_if->core_params->thr_ctl & 0x1; -+ dev_if->iso_tx_thr_en = (_core_if->core_params->thr_ctl >> 1) & 0x1; -+ dev_if->rx_thr_en = (_core_if->core_params->thr_ctl >> 2) & 0x1; -+ dev_if->rx_thr_length = _core_if->core_params->rx_thr_length; -+ dev_if->tx_thr_length = _core_if->core_params->tx_thr_length; -+ dthrctl.d32 = 0; -+ dthrctl.b.non_iso_thr_en = dev_if->non_iso_tx_thr_en; -+ dthrctl.b.iso_thr_en = dev_if->iso_tx_thr_en; -+ dthrctl.b.tx_thr_len = dev_if->tx_thr_length; -+ dthrctl.b.rx_thr_en = dev_if->rx_thr_en; -+ dthrctl.b.rx_thr_len = dev_if->rx_thr_length; -+ dwc_write_reg32(&dev_if->dev_global_regs->dtknqr3_dthrctl,dthrctl.d32); -+ DWC_DEBUGPL(DBG_CIL, "Non ISO Tx Thr - %d\nISO Tx Thr - %d\n" -+ "Rx Thr - %d\nTx Thr Len - %d\nRx Thr Len - %d\n", -+ dthrctl.b.non_iso_thr_en, dthrctl.b.iso_thr_en, -+ dthrctl.b.rx_thr_en, dthrctl.b.tx_thr_len, -+ dthrctl.b.rx_thr_len); -+ } -+ dwc_otg_enable_device_interrupts( _core_if ); -+ { -+ diepmsk_data_t msk = {.d32 = 0}; -+ msk.b.txfifoundrn = 1; -+ dwc_modify_reg32(&dev_if->dev_global_regs->diepmsk, msk.d32,msk.d32); -+} -+} -+ -+/** -+ * This function enables the Host mode interrupts. -+ * -+ * @param _core_if Programming view of DWC_otg controller -+ */ -+void dwc_otg_enable_host_interrupts(dwc_otg_core_if_t *_core_if) -+{ -+ dwc_otg_core_global_regs_t *global_regs = _core_if->core_global_regs; -+ gintmsk_data_t intr_mask = {.d32 = 0}; -+ -+ DWC_DEBUGPL(DBG_CIL, "%s()\n", __func__); -+ -+ /* Disable all interrupts. */ -+ dwc_write_reg32(&global_regs->gintmsk, 0); -+ -+ /* Clear any pending interrupts. */ -+ dwc_write_reg32(&global_regs->gintsts, 0xFFFFFFFF); -+ -+ /* Enable the common interrupts */ -+ dwc_otg_enable_common_interrupts(_core_if); -+ -+ /* -+ * Enable host mode interrupts without disturbing common -+ * interrupts. -+ */ -+ intr_mask.b.sofintr = 1; -+ intr_mask.b.portintr = 1; -+ intr_mask.b.hcintr = 1; -+ -+ //dwc_modify_reg32(&global_regs->gintmsk, intr_mask.d32, intr_mask.d32); -+ //dwc_modify_reg32(&global_regs->gintmsk, 0, intr_mask.d32); -+ dwc_modify_reg32(&global_regs->gintmsk, intr_mask.d32, intr_mask.d32); -+} -+ -+/** -+ * This function disables the Host Mode interrupts. -+ * -+ * @param _core_if Programming view of DWC_otg controller -+ */ -+void dwc_otg_disable_host_interrupts(dwc_otg_core_if_t *_core_if) -+{ -+ dwc_otg_core_global_regs_t *global_regs = -+ _core_if->core_global_regs; -+ gintmsk_data_t intr_mask = {.d32 = 0}; -+ -+ DWC_DEBUGPL(DBG_CILV, "%s()\n", __func__); -+ -+ /* -+ * Disable host mode interrupts without disturbing common -+ * interrupts. -+ */ -+ intr_mask.b.sofintr = 1; -+ intr_mask.b.portintr = 1; -+ intr_mask.b.hcintr = 1; -+ intr_mask.b.ptxfempty = 1; -+ intr_mask.b.nptxfempty = 1; -+ -+ dwc_modify_reg32(&global_regs->gintmsk, intr_mask.d32, 0); -+} -+ -+#if 0 -+/* currently not used, keep it here as if needed later */ -+static int phy_read(dwc_otg_core_if_t * _core_if, int addr) -+{ -+ u32 val; -+ int timeout = 10; -+ -+ dwc_write_reg32(&_core_if->core_global_regs->gpvndctl, -+ 0x02000000 | (addr << 16)); -+ val = dwc_read_reg32(&_core_if->core_global_regs->gpvndctl); -+ while (((val & 0x08000000) == 0) && (timeout--)) { -+ udelay(1000); -+ val = dwc_read_reg32(&_core_if->core_global_regs->gpvndctl); -+ } -+ val = dwc_read_reg32(&_core_if->core_global_regs->gpvndctl); -+ printk("%s: addr=%02x regval=%02x\n", __func__, addr, val & 0x000000ff); -+ -+ return 0; -+} -+#endif -+ -+/** -+ * This function initializes the DWC_otg controller registers for -+ * host mode. -+ * -+ * This function flushes the Tx and Rx FIFOs and it flushes any entries in the -+ * request queues. Host channels are reset to ensure that they are ready for -+ * performing transfers. -+ * -+ * @param _core_if Programming view of DWC_otg controller -+ * -+ */ -+void dwc_otg_core_host_init(dwc_otg_core_if_t *_core_if) -+{ -+ dwc_otg_core_global_regs_t *global_regs = _core_if->core_global_regs; -+ dwc_otg_host_if_t *host_if = _core_if->host_if; -+ dwc_otg_core_params_t *params = _core_if->core_params; -+ hprt0_data_t hprt0 = {.d32 = 0}; -+ fifosize_data_t nptxfifosize; -+ fifosize_data_t ptxfifosize; -+ int i; -+ hcchar_data_t hcchar; -+ hcfg_data_t hcfg; -+ dwc_otg_hc_regs_t *hc_regs; -+ int num_channels; -+ gotgctl_data_t gotgctl = {.d32 = 0}; -+ -+ DWC_DEBUGPL(DBG_CILV,"%s(%p)\n", __func__, _core_if); -+ -+ /* Restart the Phy Clock */ -+ dwc_write_reg32(_core_if->pcgcctl, 0); -+ -+ /* Initialize Host Configuration Register */ -+ init_fslspclksel(_core_if); -+ if (_core_if->core_params->speed == DWC_SPEED_PARAM_FULL) { -+ hcfg.d32 = dwc_read_reg32(&host_if->host_global_regs->hcfg); -+ hcfg.b.fslssupp = 1; -+ dwc_write_reg32(&host_if->host_global_regs->hcfg, hcfg.d32); -+ } -+ -+ /* Configure data FIFO sizes */ -+ if (_core_if->hwcfg2.b.dynamic_fifo && params->enable_dynamic_fifo) { -+ DWC_DEBUGPL(DBG_CIL,"Total FIFO Size=%d\n", _core_if->total_fifo_size); -+ DWC_DEBUGPL(DBG_CIL,"Rx FIFO Size=%d\n", params->host_rx_fifo_size); -+ DWC_DEBUGPL(DBG_CIL,"NP Tx FIFO Size=%d\n", params->host_nperio_tx_fifo_size); -+ DWC_DEBUGPL(DBG_CIL,"P Tx FIFO Size=%d\n", params->host_perio_tx_fifo_size); -+ -+ /* Rx FIFO */ -+ DWC_DEBUGPL(DBG_CIL,"initial grxfsiz=%08x\n", dwc_read_reg32(&global_regs->grxfsiz)); -+ dwc_write_reg32(&global_regs->grxfsiz, params->host_rx_fifo_size); -+ DWC_DEBUGPL(DBG_CIL,"new grxfsiz=%08x\n", dwc_read_reg32(&global_regs->grxfsiz)); -+ -+ /* Non-periodic Tx FIFO */ -+ DWC_DEBUGPL(DBG_CIL,"initial gnptxfsiz=%08x\n", dwc_read_reg32(&global_regs->gnptxfsiz)); -+ nptxfifosize.b.depth = params->host_nperio_tx_fifo_size; -+ nptxfifosize.b.startaddr = params->host_rx_fifo_size; -+ dwc_write_reg32(&global_regs->gnptxfsiz, nptxfifosize.d32); -+ DWC_DEBUGPL(DBG_CIL,"new gnptxfsiz=%08x\n", dwc_read_reg32(&global_regs->gnptxfsiz)); -+ -+ /* Periodic Tx FIFO */ -+ DWC_DEBUGPL(DBG_CIL,"initial hptxfsiz=%08x\n", dwc_read_reg32(&global_regs->hptxfsiz)); -+ ptxfifosize.b.depth = params->host_perio_tx_fifo_size; -+ ptxfifosize.b.startaddr = nptxfifosize.b.startaddr + nptxfifosize.b.depth; -+ dwc_write_reg32(&global_regs->hptxfsiz, ptxfifosize.d32); -+ DWC_DEBUGPL(DBG_CIL,"new hptxfsiz=%08x\n", dwc_read_reg32(&global_regs->hptxfsiz)); -+ } -+ -+ /* Clear Host Set HNP Enable in the OTG Control Register */ -+ gotgctl.b.hstsethnpen = 1; -+ dwc_modify_reg32( &global_regs->gotgctl, gotgctl.d32, 0); -+ -+ /* Make sure the FIFOs are flushed. */ -+ dwc_otg_flush_tx_fifo(_core_if, 0x10 /* all Tx FIFOs */); -+ dwc_otg_flush_rx_fifo(_core_if); -+ -+ /* Flush out any leftover queued requests. */ -+ num_channels = _core_if->core_params->host_channels; -+ for (i = 0; i < num_channels; i++) { -+ hc_regs = _core_if->host_if->hc_regs[i]; -+ hcchar.d32 = dwc_read_reg32(&hc_regs->hcchar); -+ hcchar.b.chen = 0; -+ hcchar.b.chdis = 1; -+ hcchar.b.epdir = 0; -+ dwc_write_reg32(&hc_regs->hcchar, hcchar.d32); -+ } -+ -+ /* Halt all channels to put them into a known state. */ -+ for (i = 0; i < num_channels; i++) { -+ int count = 0; -+ hc_regs = _core_if->host_if->hc_regs[i]; -+ hcchar.d32 = dwc_read_reg32(&hc_regs->hcchar); -+ hcchar.b.chen = 1; -+ hcchar.b.chdis = 1; -+ hcchar.b.epdir = 0; -+ dwc_write_reg32(&hc_regs->hcchar, hcchar.d32); -+ DWC_DEBUGPL(DBG_HCDV, "%s: Halt channel %d\n", __func__, i); -+ do { -+ hcchar.d32 = dwc_read_reg32(&hc_regs->hcchar); -+ if (++count > 200) { -+ DWC_ERROR("%s: Unable to clear halt on channel %d\n", -+ __func__, i); -+ break; -+ } -+ udelay(100); -+ } while (hcchar.b.chen); -+ } -+ -+ /* Turn on the vbus power. */ -+ DWC_PRINT("Init: Port Power? op_state=%d\n", _core_if->op_state); -+ if (_core_if->op_state == A_HOST){ -+ hprt0.d32 = dwc_otg_read_hprt0(_core_if); -+ DWC_PRINT("Init: Power Port (%d)\n", hprt0.b.prtpwr); -+ if (hprt0.b.prtpwr == 0 ) { -+ hprt0.b.prtpwr = 1; -+ dwc_write_reg32(host_if->hprt0, hprt0.d32); -+ } -+ } -+ -+ dwc_otg_enable_host_interrupts( _core_if ); -+} -+ -+/** -+ * Prepares a host channel for transferring packets to/from a specific -+ * endpoint. The HCCHARn register is set up with the characteristics specified -+ * in _hc. Host channel interrupts that may need to be serviced while this -+ * transfer is in progress are enabled. -+ * -+ * @param _core_if Programming view of DWC_otg controller -+ * @param _hc Information needed to initialize the host channel -+ */ -+void dwc_otg_hc_init(dwc_otg_core_if_t *_core_if, dwc_hc_t *_hc) -+{ -+ uint32_t intr_enable; -+ hcintmsk_data_t hc_intr_mask; -+ gintmsk_data_t gintmsk = {.d32 = 0}; -+ hcchar_data_t hcchar; -+ hcsplt_data_t hcsplt; -+ -+ uint8_t hc_num = _hc->hc_num; -+ dwc_otg_host_if_t *host_if = _core_if->host_if; -+ dwc_otg_hc_regs_t *hc_regs = host_if->hc_regs[hc_num]; -+ -+ /* Clear old interrupt conditions for this host channel. */ -+ hc_intr_mask.d32 = 0xFFFFFFFF; -+ hc_intr_mask.b.reserved = 0; -+ dwc_write_reg32(&hc_regs->hcint, hc_intr_mask.d32); -+ -+ /* Enable channel interrupts required for this transfer. */ -+ hc_intr_mask.d32 = 0; -+ hc_intr_mask.b.chhltd = 1; -+ if (_core_if->dma_enable) { -+ hc_intr_mask.b.ahberr = 1; -+ if (_hc->error_state && !_hc->do_split && -+ _hc->ep_type != DWC_OTG_EP_TYPE_ISOC) { -+ hc_intr_mask.b.ack = 1; -+ if (_hc->ep_is_in) { -+ hc_intr_mask.b.datatglerr = 1; -+ if (_hc->ep_type != DWC_OTG_EP_TYPE_INTR) { -+ hc_intr_mask.b.nak = 1; -+ } -+ } -+ } -+ } else { -+ switch (_hc->ep_type) { -+ case DWC_OTG_EP_TYPE_CONTROL: -+ case DWC_OTG_EP_TYPE_BULK: -+ hc_intr_mask.b.xfercompl = 1; -+ hc_intr_mask.b.stall = 1; -+ hc_intr_mask.b.xacterr = 1; -+ hc_intr_mask.b.datatglerr = 1; -+ if (_hc->ep_is_in) { -+ hc_intr_mask.b.bblerr = 1; -+ } else { -+ hc_intr_mask.b.nak = 1; -+ hc_intr_mask.b.nyet = 1; -+ if (_hc->do_ping) { -+ hc_intr_mask.b.ack = 1; -+ } -+ } -+ -+ if (_hc->do_split) { -+ hc_intr_mask.b.nak = 1; -+ if (_hc->complete_split) { -+ hc_intr_mask.b.nyet = 1; -+ } -+ else { -+ hc_intr_mask.b.ack = 1; -+ } -+ } -+ -+ if (_hc->error_state) { -+ hc_intr_mask.b.ack = 1; -+ } -+ break; -+ case DWC_OTG_EP_TYPE_INTR: -+ hc_intr_mask.b.xfercompl = 1; -+ hc_intr_mask.b.nak = 1; -+ hc_intr_mask.b.stall = 1; -+ hc_intr_mask.b.xacterr = 1; -+ hc_intr_mask.b.datatglerr = 1; -+ hc_intr_mask.b.frmovrun = 1; -+ -+ if (_hc->ep_is_in) { -+ hc_intr_mask.b.bblerr = 1; -+ } -+ if (_hc->error_state) { -+ hc_intr_mask.b.ack = 1; -+ } -+ if (_hc->do_split) { -+ if (_hc->complete_split) { -+ hc_intr_mask.b.nyet = 1; -+ } -+ else { -+ hc_intr_mask.b.ack = 1; -+ } -+ } -+ break; -+ case DWC_OTG_EP_TYPE_ISOC: -+ hc_intr_mask.b.xfercompl = 1; -+ hc_intr_mask.b.frmovrun = 1; -+ hc_intr_mask.b.ack = 1; -+ -+ if (_hc->ep_is_in) { -+ hc_intr_mask.b.xacterr = 1; -+ hc_intr_mask.b.bblerr = 1; -+ } -+ break; -+ } -+ } -+ dwc_write_reg32(&hc_regs->hcintmsk, hc_intr_mask.d32); -+ -+ /* Enable the top level host channel interrupt. */ -+ intr_enable = (1 << hc_num); -+ dwc_modify_reg32(&host_if->host_global_regs->haintmsk, 0, intr_enable); -+ -+ /* Make sure host channel interrupts are enabled. */ -+ gintmsk.b.hcintr = 1; -+ dwc_modify_reg32(&_core_if->core_global_regs->gintmsk, 0, gintmsk.d32); -+ -+ /* -+ * Program the HCCHARn register with the endpoint characteristics for -+ * the current transfer. -+ */ -+ hcchar.d32 = 0; -+ hcchar.b.devaddr = _hc->dev_addr; -+ hcchar.b.epnum = _hc->ep_num; -+ hcchar.b.epdir = _hc->ep_is_in; -+ hcchar.b.lspddev = (_hc->speed == DWC_OTG_EP_SPEED_LOW); -+ hcchar.b.eptype = _hc->ep_type; -+ hcchar.b.mps = _hc->max_packet; -+ -+ dwc_write_reg32(&host_if->hc_regs[hc_num]->hcchar, hcchar.d32); -+ -+ DWC_DEBUGPL(DBG_HCDV, "%s: Channel %d\n", __func__, _hc->hc_num); -+ DWC_DEBUGPL(DBG_HCDV, " Dev Addr: %d\n", hcchar.b.devaddr); -+ DWC_DEBUGPL(DBG_HCDV, " Ep Num: %d\n", hcchar.b.epnum); -+ DWC_DEBUGPL(DBG_HCDV, " Is In: %d\n", hcchar.b.epdir); -+ DWC_DEBUGPL(DBG_HCDV, " Is Low Speed: %d\n", hcchar.b.lspddev); -+ DWC_DEBUGPL(DBG_HCDV, " Ep Type: %d\n", hcchar.b.eptype); -+ DWC_DEBUGPL(DBG_HCDV, " Max Pkt: %d\n", hcchar.b.mps); -+ DWC_DEBUGPL(DBG_HCDV, " Multi Cnt: %d\n", hcchar.b.multicnt); -+ -+ /* -+ * Program the HCSPLIT register for SPLITs -+ */ -+ hcsplt.d32 = 0; -+ if (_hc->do_split) { -+ DWC_DEBUGPL(DBG_HCDV, "Programming HC %d with split --> %s\n", _hc->hc_num, -+ _hc->complete_split ? "CSPLIT" : "SSPLIT"); -+ hcsplt.b.compsplt = _hc->complete_split; -+ hcsplt.b.xactpos = _hc->xact_pos; -+ hcsplt.b.hubaddr = _hc->hub_addr; -+ hcsplt.b.prtaddr = _hc->port_addr; -+ DWC_DEBUGPL(DBG_HCDV, " comp split %d\n", _hc->complete_split); -+ DWC_DEBUGPL(DBG_HCDV, " xact pos %d\n", _hc->xact_pos); -+ DWC_DEBUGPL(DBG_HCDV, " hub addr %d\n", _hc->hub_addr); -+ DWC_DEBUGPL(DBG_HCDV, " port addr %d\n", _hc->port_addr); -+ DWC_DEBUGPL(DBG_HCDV, " is_in %d\n", _hc->ep_is_in); -+ DWC_DEBUGPL(DBG_HCDV, " Max Pkt: %d\n", hcchar.b.mps); -+ DWC_DEBUGPL(DBG_HCDV, " xferlen: %d\n", _hc->xfer_len); -+ } -+ dwc_write_reg32(&host_if->hc_regs[hc_num]->hcsplt, hcsplt.d32); -+ -+} -+ -+/** -+ * Attempts to halt a host channel. This function should only be called in -+ * Slave mode or to abort a transfer in either Slave mode or DMA mode. Under -+ * normal circumstances in DMA mode, the controller halts the channel when the -+ * transfer is complete or a condition occurs that requires application -+ * intervention. -+ * -+ * In slave mode, checks for a free request queue entry, then sets the Channel -+ * Enable and Channel Disable bits of the Host Channel Characteristics -+ * register of the specified channel to intiate the halt. If there is no free -+ * request queue entry, sets only the Channel Disable bit of the HCCHARn -+ * register to flush requests for this channel. In the latter case, sets a -+ * flag to indicate that the host channel needs to be halted when a request -+ * queue slot is open. -+ * -+ * In DMA mode, always sets the Channel Enable and Channel Disable bits of the -+ * HCCHARn register. The controller ensures there is space in the request -+ * queue before submitting the halt request. -+ * -+ * Some time may elapse before the core flushes any posted requests for this -+ * host channel and halts. The Channel Halted interrupt handler completes the -+ * deactivation of the host channel. -+ * -+ * @param _core_if Controller register interface. -+ * @param _hc Host channel to halt. -+ * @param _halt_status Reason for halting the channel. -+ */ -+void dwc_otg_hc_halt(dwc_otg_core_if_t *_core_if, -+ dwc_hc_t *_hc, -+ dwc_otg_halt_status_e _halt_status) -+{ -+ gnptxsts_data_t nptxsts; -+ hptxsts_data_t hptxsts; -+ hcchar_data_t hcchar; -+ dwc_otg_hc_regs_t *hc_regs; -+ dwc_otg_core_global_regs_t *global_regs; -+ dwc_otg_host_global_regs_t *host_global_regs; -+ -+ hc_regs = _core_if->host_if->hc_regs[_hc->hc_num]; -+ global_regs = _core_if->core_global_regs; -+ host_global_regs = _core_if->host_if->host_global_regs; -+ -+ WARN_ON(_halt_status == DWC_OTG_HC_XFER_NO_HALT_STATUS); -+ -+ if (_halt_status == DWC_OTG_HC_XFER_URB_DEQUEUE || -+ _halt_status == DWC_OTG_HC_XFER_AHB_ERR) { -+ /* -+ * Disable all channel interrupts except Ch Halted. The QTD -+ * and QH state associated with this transfer has been cleared -+ * (in the case of URB_DEQUEUE), so the channel needs to be -+ * shut down carefully to prevent crashes. -+ */ -+ hcintmsk_data_t hcintmsk; -+ hcintmsk.d32 = 0; -+ hcintmsk.b.chhltd = 1; -+ dwc_write_reg32(&hc_regs->hcintmsk, hcintmsk.d32); -+ -+ /* -+ * Make sure no other interrupts besides halt are currently -+ * pending. Handling another interrupt could cause a crash due -+ * to the QTD and QH state. -+ */ -+ dwc_write_reg32(&hc_regs->hcint, ~hcintmsk.d32); -+ -+ /* -+ * Make sure the halt status is set to URB_DEQUEUE or AHB_ERR -+ * even if the channel was already halted for some other -+ * reason. -+ */ -+ _hc->halt_status = _halt_status; -+ -+ hcchar.d32 = dwc_read_reg32(&hc_regs->hcchar); -+ if (hcchar.b.chen == 0) { -+ /* -+ * The channel is either already halted or it hasn't -+ * started yet. In DMA mode, the transfer may halt if -+ * it finishes normally or a condition occurs that -+ * requires driver intervention. Don't want to halt -+ * the channel again. In either Slave or DMA mode, -+ * it's possible that the transfer has been assigned -+ * to a channel, but not started yet when an URB is -+ * dequeued. Don't want to halt a channel that hasn't -+ * started yet. -+ */ -+ return; -+ } -+ } -+ -+ if (_hc->halt_pending) { -+ /* -+ * A halt has already been issued for this channel. This might -+ * happen when a transfer is aborted by a higher level in -+ * the stack. -+ */ -+#ifdef DEBUG -+ DWC_PRINT("*** %s: Channel %d, _hc->halt_pending already set ***\n", -+ __func__, _hc->hc_num); -+ -+/* dwc_otg_dump_global_registers(_core_if); */ -+/* dwc_otg_dump_host_registers(_core_if); */ -+#endif -+ return; -+ } -+ -+ hcchar.d32 = dwc_read_reg32(&hc_regs->hcchar); -+ hcchar.b.chen = 1; -+ hcchar.b.chdis = 1; -+ -+ if (!_core_if->dma_enable) { -+ /* Check for space in the request queue to issue the halt. */ -+ if (_hc->ep_type == DWC_OTG_EP_TYPE_CONTROL || -+ _hc->ep_type == DWC_OTG_EP_TYPE_BULK) { -+ nptxsts.d32 = dwc_read_reg32(&global_regs->gnptxsts); -+ if (nptxsts.b.nptxqspcavail == 0) { -+ hcchar.b.chen = 0; -+ } -+ } else { -+ hptxsts.d32 = dwc_read_reg32(&host_global_regs->hptxsts); -+ if ((hptxsts.b.ptxqspcavail == 0) || (_core_if->queuing_high_bandwidth)) { -+ hcchar.b.chen = 0; -+ } -+ } -+ } -+ -+ dwc_write_reg32(&hc_regs->hcchar, hcchar.d32); -+ -+ _hc->halt_status = _halt_status; -+ -+ if (hcchar.b.chen) { -+ _hc->halt_pending = 1; -+ _hc->halt_on_queue = 0; -+ } else { -+ _hc->halt_on_queue = 1; -+ } -+ -+ DWC_DEBUGPL(DBG_HCDV, "%s: Channel %d\n", __func__, _hc->hc_num); -+ DWC_DEBUGPL(DBG_HCDV, " hcchar: 0x%08x\n", hcchar.d32); -+ DWC_DEBUGPL(DBG_HCDV, " halt_pending: %d\n", _hc->halt_pending); -+ DWC_DEBUGPL(DBG_HCDV, " halt_on_queue: %d\n", _hc->halt_on_queue); -+ DWC_DEBUGPL(DBG_HCDV, " halt_status: %d\n", _hc->halt_status); -+ -+ return; -+} -+ -+/** -+ * Clears the transfer state for a host channel. This function is normally -+ * called after a transfer is done and the host channel is being released. -+ * -+ * @param _core_if Programming view of DWC_otg controller. -+ * @param _hc Identifies the host channel to clean up. -+ */ -+void dwc_otg_hc_cleanup(dwc_otg_core_if_t *_core_if, dwc_hc_t *_hc) -+{ -+ dwc_otg_hc_regs_t *hc_regs; -+ -+ _hc->xfer_started = 0; -+ -+ /* -+ * Clear channel interrupt enables and any unhandled channel interrupt -+ * conditions. -+ */ -+ hc_regs = _core_if->host_if->hc_regs[_hc->hc_num]; -+ dwc_write_reg32(&hc_regs->hcintmsk, 0); -+ dwc_write_reg32(&hc_regs->hcint, 0xFFFFFFFF); -+ -+#ifdef DEBUG -+ del_timer(&_core_if->hc_xfer_timer[_hc->hc_num]); -+ { -+ hcchar_data_t hcchar; -+ hcchar.d32 = dwc_read_reg32(&hc_regs->hcchar); -+ if (hcchar.b.chdis) { -+ DWC_WARN("%s: chdis set, channel %d, hcchar 0x%08x\n", -+ __func__, _hc->hc_num, hcchar.d32); -+ } -+ } -+#endif -+} -+ -+/** -+ * Sets the channel property that indicates in which frame a periodic transfer -+ * should occur. This is always set to the _next_ frame. This function has no -+ * effect on non-periodic transfers. -+ * -+ * @param _core_if Programming view of DWC_otg controller. -+ * @param _hc Identifies the host channel to set up and its properties. -+ * @param _hcchar Current value of the HCCHAR register for the specified host -+ * channel. -+ */ -+static inline void hc_set_even_odd_frame(dwc_otg_core_if_t *_core_if, -+ dwc_hc_t *_hc, -+ hcchar_data_t *_hcchar) -+{ -+ if (_hc->ep_type == DWC_OTG_EP_TYPE_INTR || -+ _hc->ep_type == DWC_OTG_EP_TYPE_ISOC) { -+ hfnum_data_t hfnum; -+ hfnum.d32 = dwc_read_reg32(&_core_if->host_if->host_global_regs->hfnum); -+ /* 1 if _next_ frame is odd, 0 if it's even */ -+ _hcchar->b.oddfrm = (hfnum.b.frnum & 0x1) ? 0 : 1; -+#ifdef DEBUG -+ if (_hc->ep_type == DWC_OTG_EP_TYPE_INTR && _hc->do_split && !_hc->complete_split) { -+ switch (hfnum.b.frnum & 0x7) { -+ case 7: -+ _core_if->hfnum_7_samples++; -+ _core_if->hfnum_7_frrem_accum += hfnum.b.frrem; -+ break; -+ case 0: -+ _core_if->hfnum_0_samples++; -+ _core_if->hfnum_0_frrem_accum += hfnum.b.frrem; -+ break; -+ default: -+ _core_if->hfnum_other_samples++; -+ _core_if->hfnum_other_frrem_accum += hfnum.b.frrem; -+ break; -+ } -+ } -+#endif -+ } -+} -+ -+#ifdef DEBUG -+static void hc_xfer_timeout(unsigned long _ptr) -+{ -+ hc_xfer_info_t *xfer_info = (hc_xfer_info_t *)_ptr; -+ int hc_num = xfer_info->hc->hc_num; -+ DWC_WARN("%s: timeout on channel %d\n", __func__, hc_num); -+ DWC_WARN(" start_hcchar_val 0x%08x\n", xfer_info->core_if->start_hcchar_val[hc_num]); -+} -+#endif -+ -+/* -+ * This function does the setup for a data transfer for a host channel and -+ * starts the transfer. May be called in either Slave mode or DMA mode. In -+ * Slave mode, the caller must ensure that there is sufficient space in the -+ * request queue and Tx Data FIFO. -+ * -+ * For an OUT transfer in Slave mode, it loads a data packet into the -+ * appropriate FIFO. If necessary, additional data packets will be loaded in -+ * the Host ISR. -+ * -+ * For an IN transfer in Slave mode, a data packet is requested. The data -+ * packets are unloaded from the Rx FIFO in the Host ISR. If necessary, -+ * additional data packets are requested in the Host ISR. -+ * -+ * For a PING transfer in Slave mode, the Do Ping bit is set in the HCTSIZ -+ * register along with a packet count of 1 and the channel is enabled. This -+ * causes a single PING transaction to occur. Other fields in HCTSIZ are -+ * simply set to 0 since no data transfer occurs in this case. -+ * -+ * For a PING transfer in DMA mode, the HCTSIZ register is initialized with -+ * all the information required to perform the subsequent data transfer. In -+ * addition, the Do Ping bit is set in the HCTSIZ register. In this case, the -+ * controller performs the entire PING protocol, then starts the data -+ * transfer. -+ * -+ * @param _core_if Programming view of DWC_otg controller. -+ * @param _hc Information needed to initialize the host channel. The xfer_len -+ * value may be reduced to accommodate the max widths of the XferSize and -+ * PktCnt fields in the HCTSIZn register. The multi_count value may be changed -+ * to reflect the final xfer_len value. -+ */ -+void dwc_otg_hc_start_transfer(dwc_otg_core_if_t *_core_if, dwc_hc_t *_hc) -+{ -+ hcchar_data_t hcchar; -+ hctsiz_data_t hctsiz; -+ uint16_t num_packets; -+ uint32_t max_hc_xfer_size = _core_if->core_params->max_transfer_size; -+ uint16_t max_hc_pkt_count = _core_if->core_params->max_packet_count; -+ dwc_otg_hc_regs_t *hc_regs = _core_if->host_if->hc_regs[_hc->hc_num]; -+ -+ hctsiz.d32 = 0; -+ -+ if (_hc->do_ping) { -+ if (!_core_if->dma_enable) { -+ dwc_otg_hc_do_ping(_core_if, _hc); -+ _hc->xfer_started = 1; -+ return; -+ } else { -+ hctsiz.b.dopng = 1; -+ } -+ } -+ -+ if (_hc->do_split) { -+ num_packets = 1; -+ -+ if (_hc->complete_split && !_hc->ep_is_in) { -+ /* For CSPLIT OUT Transfer, set the size to 0 so the -+ * core doesn't expect any data written to the FIFO */ -+ _hc->xfer_len = 0; -+ } else if (_hc->ep_is_in || (_hc->xfer_len > _hc->max_packet)) { -+ _hc->xfer_len = _hc->max_packet; -+ } else if (!_hc->ep_is_in && (_hc->xfer_len > 188)) { -+ _hc->xfer_len = 188; -+ } -+ -+ hctsiz.b.xfersize = _hc->xfer_len; -+ } else { -+ /* -+ * Ensure that the transfer length and packet count will fit -+ * in the widths allocated for them in the HCTSIZn register. -+ */ -+ if (_hc->ep_type == DWC_OTG_EP_TYPE_INTR || -+ _hc->ep_type == DWC_OTG_EP_TYPE_ISOC) { -+ /* -+ * Make sure the transfer size is no larger than one -+ * (micro)frame's worth of data. (A check was done -+ * when the periodic transfer was accepted to ensure -+ * that a (micro)frame's worth of data can be -+ * programmed into a channel.) -+ */ -+ uint32_t max_periodic_len = _hc->multi_count * _hc->max_packet; -+ if (_hc->xfer_len > max_periodic_len) { -+ _hc->xfer_len = max_periodic_len; -+ } else { -+ } -+ } else if (_hc->xfer_len > max_hc_xfer_size) { -+ /* Make sure that xfer_len is a multiple of max packet size. */ -+ _hc->xfer_len = max_hc_xfer_size - _hc->max_packet + 1; -+ } -+ -+ if (_hc->xfer_len > 0) { -+ num_packets = (_hc->xfer_len + _hc->max_packet - 1) / _hc->max_packet; -+ if (num_packets > max_hc_pkt_count) { -+ num_packets = max_hc_pkt_count; -+ _hc->xfer_len = num_packets * _hc->max_packet; -+ } -+ } else { -+ /* Need 1 packet for transfer length of 0. */ -+ num_packets = 1; -+ } -+ -+ if (_hc->ep_is_in) { -+ /* Always program an integral # of max packets for IN transfers. */ -+ _hc->xfer_len = num_packets * _hc->max_packet; -+ } -+ -+ if (_hc->ep_type == DWC_OTG_EP_TYPE_INTR || -+ _hc->ep_type == DWC_OTG_EP_TYPE_ISOC) { -+ /* -+ * Make sure that the multi_count field matches the -+ * actual transfer length. -+ */ -+ _hc->multi_count = num_packets; -+ -+ } -+ -+ if (_hc->ep_type == DWC_OTG_EP_TYPE_ISOC) { -+ /* Set up the initial PID for the transfer. */ -+ if (_hc->speed == DWC_OTG_EP_SPEED_HIGH) { -+ if (_hc->ep_is_in) { -+ if (_hc->multi_count == 1) { -+ _hc->data_pid_start = DWC_OTG_HC_PID_DATA0; -+ } else if (_hc->multi_count == 2) { -+ _hc->data_pid_start = DWC_OTG_HC_PID_DATA1; -+ } else { -+ _hc->data_pid_start = DWC_OTG_HC_PID_DATA2; -+ } -+ } else { -+ if (_hc->multi_count == 1) { -+ _hc->data_pid_start = DWC_OTG_HC_PID_DATA0; -+ } else { -+ _hc->data_pid_start = DWC_OTG_HC_PID_MDATA; -+ } -+ } -+ } else { -+ _hc->data_pid_start = DWC_OTG_HC_PID_DATA0; -+ } -+ } -+ -+ hctsiz.b.xfersize = _hc->xfer_len; -+ } -+ -+ _hc->start_pkt_count = num_packets; -+ hctsiz.b.pktcnt = num_packets; -+ hctsiz.b.pid = _hc->data_pid_start; -+ dwc_write_reg32(&hc_regs->hctsiz, hctsiz.d32); -+ -+ DWC_DEBUGPL(DBG_HCDV, "%s: Channel %d\n", __func__, _hc->hc_num); -+ DWC_DEBUGPL(DBG_HCDV, " Xfer Size: %d\n", hctsiz.b.xfersize); -+ DWC_DEBUGPL(DBG_HCDV, " Num Pkts: %d\n", hctsiz.b.pktcnt); -+ DWC_DEBUGPL(DBG_HCDV, " Start PID: %d\n", hctsiz.b.pid); -+ -+ if (_core_if->dma_enable) { -+#ifdef DEBUG -+if(((uint32_t)_hc->xfer_buff)%4) -+printk("dwc_otg_hc_start_transfer _hc->xfer_buff not 4 byte alignment\n"); -+#endif -+ dwc_write_reg32(&hc_regs->hcdma, (uint32_t)_hc->xfer_buff); -+ } -+ -+ /* Start the split */ -+ if (_hc->do_split) { -+ hcsplt_data_t hcsplt; -+ hcsplt.d32 = dwc_read_reg32 (&hc_regs->hcsplt); -+ hcsplt.b.spltena = 1; -+ dwc_write_reg32(&hc_regs->hcsplt, hcsplt.d32); -+ } -+ -+ hcchar.d32 = dwc_read_reg32(&hc_regs->hcchar); -+ hcchar.b.multicnt = _hc->multi_count; -+ hc_set_even_odd_frame(_core_if, _hc, &hcchar); -+#ifdef DEBUG -+ _core_if->start_hcchar_val[_hc->hc_num] = hcchar.d32; -+ if (hcchar.b.chdis) { -+ DWC_WARN("%s: chdis set, channel %d, hcchar 0x%08x\n", -+ __func__, _hc->hc_num, hcchar.d32); -+ } -+#endif -+ -+ /* Set host channel enable after all other setup is complete. */ -+ hcchar.b.chen = 1; -+ hcchar.b.chdis = 0; -+ dwc_write_reg32(&hc_regs->hcchar, hcchar.d32); -+ -+ _hc->xfer_started = 1; -+ _hc->requests++; -+ -+ if (!_core_if->dma_enable && !_hc->ep_is_in && _hc->xfer_len > 0) { -+ /* Load OUT packet into the appropriate Tx FIFO. */ -+ dwc_otg_hc_write_packet(_core_if, _hc); -+ } -+ -+#ifdef DEBUG -+ /* Start a timer for this transfer. */ -+ _core_if->hc_xfer_timer[_hc->hc_num].function = hc_xfer_timeout; -+ _core_if->hc_xfer_info[_hc->hc_num].core_if = _core_if; -+ _core_if->hc_xfer_info[_hc->hc_num].hc = _hc; -+ _core_if->hc_xfer_timer[_hc->hc_num].data = (unsigned long)(&_core_if->hc_xfer_info[_hc->hc_num]); -+ _core_if->hc_xfer_timer[_hc->hc_num].expires = jiffies + (HZ*10); -+ add_timer(&_core_if->hc_xfer_timer[_hc->hc_num]); -+#endif -+} -+ -+/** -+ * This function continues a data transfer that was started by previous call -+ * to <code>dwc_otg_hc_start_transfer</code>. The caller must ensure there is -+ * sufficient space in the request queue and Tx Data FIFO. This function -+ * should only be called in Slave mode. In DMA mode, the controller acts -+ * autonomously to complete transfers programmed to a host channel. -+ * -+ * For an OUT transfer, a new data packet is loaded into the appropriate FIFO -+ * if there is any data remaining to be queued. For an IN transfer, another -+ * data packet is always requested. For the SETUP phase of a control transfer, -+ * this function does nothing. -+ * -+ * @return 1 if a new request is queued, 0 if no more requests are required -+ * for this transfer. -+ */ -+int dwc_otg_hc_continue_transfer(dwc_otg_core_if_t *_core_if, dwc_hc_t *_hc) -+{ -+ DWC_DEBUGPL(DBG_HCDV, "%s: Channel %d\n", __func__, _hc->hc_num); -+ -+ if (_hc->do_split) { -+ /* SPLITs always queue just once per channel */ -+ return 0; -+ } else if (_hc->data_pid_start == DWC_OTG_HC_PID_SETUP) { -+ /* SETUPs are queued only once since they can't be NAKed. */ -+ return 0; -+ } else if (_hc->ep_is_in) { -+ /* -+ * Always queue another request for other IN transfers. If -+ * back-to-back INs are issued and NAKs are received for both, -+ * the driver may still be processing the first NAK when the -+ * second NAK is received. When the interrupt handler clears -+ * the NAK interrupt for the first NAK, the second NAK will -+ * not be seen. So we can't depend on the NAK interrupt -+ * handler to requeue a NAKed request. Instead, IN requests -+ * are issued each time this function is called. When the -+ * transfer completes, the extra requests for the channel will -+ * be flushed. -+ */ -+ hcchar_data_t hcchar; -+ dwc_otg_hc_regs_t *hc_regs = _core_if->host_if->hc_regs[_hc->hc_num]; -+ -+ hcchar.d32 = dwc_read_reg32(&hc_regs->hcchar); -+ hc_set_even_odd_frame(_core_if, _hc, &hcchar); -+ hcchar.b.chen = 1; -+ hcchar.b.chdis = 0; -+ DWC_DEBUGPL(DBG_HCDV, " IN xfer: hcchar = 0x%08x\n", hcchar.d32); -+ dwc_write_reg32(&hc_regs->hcchar, hcchar.d32); -+ _hc->requests++; -+ return 1; -+ } else { -+ /* OUT transfers. */ -+ if (_hc->xfer_count < _hc->xfer_len) { -+ if (_hc->ep_type == DWC_OTG_EP_TYPE_INTR || -+ _hc->ep_type == DWC_OTG_EP_TYPE_ISOC) { -+ hcchar_data_t hcchar; -+ dwc_otg_hc_regs_t *hc_regs; -+ hc_regs = _core_if->host_if->hc_regs[_hc->hc_num]; -+ hcchar.d32 = dwc_read_reg32(&hc_regs->hcchar); -+ hc_set_even_odd_frame(_core_if, _hc, &hcchar); -+ } -+ -+ /* Load OUT packet into the appropriate Tx FIFO. */ -+ dwc_otg_hc_write_packet(_core_if, _hc); -+ _hc->requests++; -+ return 1; -+ } else { -+ return 0; -+ } -+ } -+} -+ -+/** -+ * Starts a PING transfer. This function should only be called in Slave mode. -+ * The Do Ping bit is set in the HCTSIZ register, then the channel is enabled. -+ */ -+void dwc_otg_hc_do_ping(dwc_otg_core_if_t *_core_if, dwc_hc_t *_hc) -+{ -+ hcchar_data_t hcchar; -+ hctsiz_data_t hctsiz; -+ dwc_otg_hc_regs_t *hc_regs = _core_if->host_if->hc_regs[_hc->hc_num]; -+ -+ DWC_DEBUGPL(DBG_HCDV, "%s: Channel %d\n", __func__, _hc->hc_num); -+ -+ hctsiz.d32 = 0; -+ hctsiz.b.dopng = 1; -+ hctsiz.b.pktcnt = 1; -+ dwc_write_reg32(&hc_regs->hctsiz, hctsiz.d32); -+ -+ hcchar.d32 = dwc_read_reg32(&hc_regs->hcchar); -+ hcchar.b.chen = 1; -+ hcchar.b.chdis = 0; -+ dwc_write_reg32(&hc_regs->hcchar, hcchar.d32); -+} -+ -+/* -+ * This function writes a packet into the Tx FIFO associated with the Host -+ * Channel. For a channel associated with a non-periodic EP, the non-periodic -+ * Tx FIFO is written. For a channel associated with a periodic EP, the -+ * periodic Tx FIFO is written. This function should only be called in Slave -+ * mode. -+ * -+ * Upon return the xfer_buff and xfer_count fields in _hc are incremented by -+ * then number of bytes written to the Tx FIFO. -+ */ -+void dwc_otg_hc_write_packet(dwc_otg_core_if_t *_core_if, dwc_hc_t *_hc) -+{ -+ uint32_t i; -+ uint32_t remaining_count; -+ uint32_t byte_count; -+ uint32_t dword_count; -+ -+ uint32_t *data_buff = (uint32_t *)(_hc->xfer_buff); -+ uint32_t *data_fifo = _core_if->data_fifo[_hc->hc_num]; -+ -+ remaining_count = _hc->xfer_len - _hc->xfer_count; -+ if (remaining_count > _hc->max_packet) { -+ byte_count = _hc->max_packet; -+ } else { -+ byte_count = remaining_count; -+ } -+ -+ dword_count = (byte_count + 3) / 4; -+ -+ if ((((unsigned long)data_buff) & 0x3) == 0) { -+ /* xfer_buff is DWORD aligned. */ -+ for (i = 0; i < dword_count; i++, data_buff++) { -+ dwc_write_reg32(data_fifo, *data_buff); -+ } -+ } else { -+ /* xfer_buff is not DWORD aligned. */ -+ for (i = 0; i < dword_count; i++, data_buff++) { -+ dwc_write_reg32(data_fifo, get_unaligned(data_buff)); -+ } -+ } -+ -+ _hc->xfer_count += byte_count; -+ _hc->xfer_buff += byte_count; -+} -+ -+/** -+ * Gets the current USB frame number. This is the frame number from the last -+ * SOF packet. -+ */ -+uint32_t dwc_otg_get_frame_number(dwc_otg_core_if_t *_core_if) -+{ -+ dsts_data_t dsts; -+ dsts.d32 = dwc_read_reg32(&_core_if->dev_if->dev_global_regs->dsts); -+ -+ /* read current frame/microfreme number from DSTS register */ -+ return dsts.b.soffn; -+} -+ -+/** -+ * This function reads a setup packet from the Rx FIFO into the destination -+ * buffer. This function is called from the Rx Status Queue Level (RxStsQLvl) -+ * Interrupt routine when a SETUP packet has been received in Slave mode. -+ * -+ * @param _core_if Programming view of DWC_otg controller. -+ * @param _dest Destination buffer for packet data. -+ */ -+void dwc_otg_read_setup_packet(dwc_otg_core_if_t *_core_if, uint32_t *_dest) -+{ -+ /* Get the 8 bytes of a setup transaction data */ -+ -+ /* Pop 2 DWORDS off the receive data FIFO into memory */ -+ _dest[0] = dwc_read_reg32(_core_if->data_fifo[0]); -+ _dest[1] = dwc_read_reg32(_core_if->data_fifo[0]); -+ //_dest[0] = dwc_read_datafifo32(_core_if->data_fifo[0]); -+ //_dest[1] = dwc_read_datafifo32(_core_if->data_fifo[0]); -+} -+ -+ -+/** -+ * This function enables EP0 OUT to receive SETUP packets and configures EP0 -+ * IN for transmitting packets. It is normally called when the -+ * "Enumeration Done" interrupt occurs. -+ * -+ * @param _core_if Programming view of DWC_otg controller. -+ * @param _ep The EP0 data. -+ */ -+void dwc_otg_ep0_activate(dwc_otg_core_if_t *_core_if, dwc_ep_t *_ep) -+{ -+ dwc_otg_dev_if_t *dev_if = _core_if->dev_if; -+ dsts_data_t dsts; -+ depctl_data_t diepctl; -+ depctl_data_t doepctl; -+ dctl_data_t dctl ={.d32=0}; -+ -+ /* Read the Device Status and Endpoint 0 Control registers */ -+ dsts.d32 = dwc_read_reg32(&dev_if->dev_global_regs->dsts); -+ diepctl.d32 = dwc_read_reg32(&dev_if->in_ep_regs[0]->diepctl); -+ doepctl.d32 = dwc_read_reg32(&dev_if->out_ep_regs[0]->doepctl); -+ -+ /* Set the MPS of the IN EP based on the enumeration speed */ -+ switch (dsts.b.enumspd) { -+ case DWC_DSTS_ENUMSPD_HS_PHY_30MHZ_OR_60MHZ: -+ case DWC_DSTS_ENUMSPD_FS_PHY_30MHZ_OR_60MHZ: -+ case DWC_DSTS_ENUMSPD_FS_PHY_48MHZ: -+ diepctl.b.mps = DWC_DEP0CTL_MPS_64; -+ break; -+ case DWC_DSTS_ENUMSPD_LS_PHY_6MHZ: -+ diepctl.b.mps = DWC_DEP0CTL_MPS_8; -+ break; -+ } -+ -+ dwc_write_reg32(&dev_if->in_ep_regs[0]->diepctl, diepctl.d32); -+ -+ /* Enable OUT EP for receive */ -+ doepctl.b.epena = 1; -+ dwc_write_reg32(&dev_if->out_ep_regs[0]->doepctl, doepctl.d32); -+ -+#ifdef VERBOSE -+ DWC_DEBUGPL(DBG_PCDV,"doepctl0=%0x\n", -+ dwc_read_reg32(&dev_if->out_ep_regs[0]->doepctl)); -+ DWC_DEBUGPL(DBG_PCDV,"diepctl0=%0x\n", -+ dwc_read_reg32(&dev_if->in_ep_regs[0]->diepctl)); -+#endif -+ dctl.b.cgnpinnak = 1; -+ dwc_modify_reg32(&dev_if->dev_global_regs->dctl, dctl.d32, dctl.d32); -+ DWC_DEBUGPL(DBG_PCDV,"dctl=%0x\n", -+ dwc_read_reg32(&dev_if->dev_global_regs->dctl)); -+} -+ -+/** -+ * This function activates an EP. The Device EP control register for -+ * the EP is configured as defined in the ep structure. Note: This -+ * function is not used for EP0. -+ * -+ * @param _core_if Programming view of DWC_otg controller. -+ * @param _ep The EP to activate. -+ */ -+void dwc_otg_ep_activate(dwc_otg_core_if_t *_core_if, dwc_ep_t *_ep) -+{ -+ dwc_otg_dev_if_t *dev_if = _core_if->dev_if; -+ depctl_data_t depctl; -+ volatile uint32_t *addr; -+ daint_data_t daintmsk = {.d32=0}; -+ -+ DWC_DEBUGPL(DBG_PCDV, "%s() EP%d-%s\n", __func__, _ep->num, -+ (_ep->is_in?"IN":"OUT")); -+ -+ /* Read DEPCTLn register */ -+ if (_ep->is_in == 1) { -+ addr = &dev_if->in_ep_regs[_ep->num]->diepctl; -+ daintmsk.ep.in = 1<<_ep->num; -+ } else { -+ addr = &dev_if->out_ep_regs[_ep->num]->doepctl; -+ daintmsk.ep.out = 1<<_ep->num; -+ } -+ -+ /* If the EP is already active don't change the EP Control -+ * register. */ -+ depctl.d32 = dwc_read_reg32(addr); -+ if (!depctl.b.usbactep) { -+ depctl.b.mps = _ep->maxpacket; -+ depctl.b.eptype = _ep->type; -+ depctl.b.txfnum = _ep->tx_fifo_num; -+ -+ if (_ep->type == DWC_OTG_EP_TYPE_ISOC) { -+ depctl.b.setd0pid = 1; // ??? -+ } else { -+ depctl.b.setd0pid = 1; -+ } -+ depctl.b.usbactep = 1; -+ -+ dwc_write_reg32(addr, depctl.d32); -+ DWC_DEBUGPL(DBG_PCDV,"DEPCTL=%08x\n", dwc_read_reg32(addr)); -+ } -+ -+ -+ /* Enable the Interrupt for this EP */ -+ dwc_modify_reg32(&dev_if->dev_global_regs->daintmsk, -+ 0, daintmsk.d32); -+ DWC_DEBUGPL(DBG_PCDV,"DAINTMSK=%0x\n", -+ dwc_read_reg32(&dev_if->dev_global_regs->daintmsk)); -+ _ep->stall_clear_flag = 0; -+ return; -+} -+ -+/** -+ * This function deactivates an EP. This is done by clearing the USB Active -+ * EP bit in the Device EP control register. Note: This function is not used -+ * for EP0. EP0 cannot be deactivated. -+ * -+ * @param _core_if Programming view of DWC_otg controller. -+ * @param _ep The EP to deactivate. -+ */ -+void dwc_otg_ep_deactivate(dwc_otg_core_if_t *_core_if, dwc_ep_t *_ep) -+{ -+ depctl_data_t depctl ={.d32 = 0}; -+ volatile uint32_t *addr; -+ daint_data_t daintmsk = {.d32=0}; -+ -+ /* Read DEPCTLn register */ -+ if (_ep->is_in == 1) { -+ addr = &_core_if->dev_if->in_ep_regs[_ep->num]->diepctl; -+ daintmsk.ep.in = 1<<_ep->num; -+ } else { -+ addr = &_core_if->dev_if->out_ep_regs[_ep->num]->doepctl; -+ daintmsk.ep.out = 1<<_ep->num; -+ } -+ -+ depctl.b.usbactep = 0; -+ dwc_write_reg32(addr, depctl.d32); -+ -+ /* Disable the Interrupt for this EP */ -+ dwc_modify_reg32(&_core_if->dev_if->dev_global_regs->daintmsk, -+ daintmsk.d32, 0); -+ -+ return; -+} -+ -+/** -+ * This function does the setup for a data transfer for an EP and -+ * starts the transfer. For an IN transfer, the packets will be -+ * loaded into the appropriate Tx FIFO in the ISR. For OUT transfers, -+ * the packets are unloaded from the Rx FIFO in the ISR. the ISR. -+ * -+ * @param _core_if Programming view of DWC_otg controller. -+ * @param _ep The EP to start the transfer on. -+ */ -+void dwc_otg_ep_start_transfer(dwc_otg_core_if_t *_core_if, dwc_ep_t *_ep) -+{ -+ /** @todo Refactor this funciton to check the transfer size -+ * count value does not execed the number bits in the Transfer -+ * count register. */ -+ depctl_data_t depctl; -+ deptsiz_data_t deptsiz; -+ gintmsk_data_t intr_mask = { .d32 = 0}; -+ -+#ifdef CHECK_PACKET_COUNTER_WIDTH -+ const uint32_t MAX_XFER_SIZE = -+ _core_if->core_params->max_transfer_size; -+ const uint32_t MAX_PKT_COUNT = -+ _core_if->core_params->max_packet_count; -+ uint32_t num_packets; -+ uint32_t transfer_len; -+ dwc_otg_dev_out_ep_regs_t *out_regs = -+ _core_if->dev_if->out_ep_regs[_ep->num]; -+ dwc_otg_dev_in_ep_regs_t *in_regs = -+ _core_if->dev_if->in_ep_regs[_ep->num]; -+ gnptxsts_data_t txstatus; -+ -+ int lvl = SET_DEBUG_LEVEL(DBG_PCD); -+ -+ -+ DWC_DEBUGPL(DBG_PCD, "ep%d-%s xfer_len=%d xfer_cnt=%d " -+ "xfer_buff=%p start_xfer_buff=%p\n", -+ _ep->num, (_ep->is_in?"IN":"OUT"), _ep->xfer_len, -+ _ep->xfer_count, _ep->xfer_buff, _ep->start_xfer_buff); -+ -+ transfer_len = _ep->xfer_len - _ep->xfer_count; -+ if (transfer_len > MAX_XFER_SIZE) { -+ transfer_len = MAX_XFER_SIZE; -+ } -+ if (transfer_len == 0) { -+ num_packets = 1; -+ /* OUT EP to recieve Zero-length packet set transfer -+ * size to maxpacket size. */ -+ if (!_ep->is_in) { -+ transfer_len = _ep->maxpacket; -+ } -+ } else { -+ num_packets = -+ (transfer_len + _ep->maxpacket - 1) / _ep->maxpacket; -+ if (num_packets > MAX_PKT_COUNT) { -+ num_packets = MAX_PKT_COUNT; -+ } -+ } -+ DWC_DEBUGPL(DBG_PCD, "transfer_len=%d #pckt=%d\n", transfer_len, -+ num_packets); -+ -+ deptsiz.b.xfersize = transfer_len; -+ deptsiz.b.pktcnt = num_packets; -+ -+ /* IN endpoint */ -+ if (_ep->is_in == 1) { -+ depctl.d32 = dwc_read_reg32(&in_regs->diepctl); -+ } else {/* OUT endpoint */ -+ depctl.d32 = dwc_read_reg32(&out_regs->doepctl); -+ } -+ -+ /* EP enable, IN data in FIFO */ -+ depctl.b.cnak = 1; -+ depctl.b.epena = 1; -+ /* IN endpoint */ -+ if (_ep->is_in == 1) { -+ txstatus.d32 = -+ dwc_read_reg32(&_core_if->core_global_regs->gnptxsts); -+ if (txstatus.b.nptxqspcavail == 0) { -+ DWC_DEBUGPL(DBG_ANY, "TX Queue Full (0x%0x)\n", -+ txstatus.d32); -+ return; -+ } -+ dwc_write_reg32(&in_regs->dieptsiz, deptsiz.d32); -+ dwc_write_reg32(&in_regs->diepctl, depctl.d32); -+ /** -+ * Enable the Non-Periodic Tx FIFO empty interrupt, the -+ * data will be written into the fifo by the ISR. -+ */ -+ if (_core_if->dma_enable) { -+ dwc_write_reg32(&in_regs->diepdma, (uint32_t) _ep->xfer_buff); -+ } else { -+ if (_core_if->en_multiple_tx_fifo == 0) { -+ intr_mask.b.nptxfempty = 1; -+ dwc_modify_reg32( &_core_if->core_global_regs->gintsts, -+ intr_mask.d32, 0); -+ dwc_modify_reg32( &_core_if->core_global_regs->gintmsk, -+ intr_mask.d32, intr_mask.d32); -+ } else { -+ /* Enable the Tx FIFO Empty Interrupt for this EP */ -+ if (_ep->xfer_len > 0 && -+ _ep->type != DWC_OTG_EP_TYPE_ISOC) { -+ uint32_t fifoemptymsk = 0; -+ fifoemptymsk = (0x1 << _ep->num); -+ dwc_modify_reg32(&_core_if->dev_if->dev_global_regs-> -+ dtknqr4_fifoemptymsk,0, fifoemptymsk); -+ } -+ } -+ } -+ } else { /* OUT endpoint */ -+ dwc_write_reg32(&out_regs->doeptsiz, deptsiz.d32); -+ dwc_write_reg32(&out_regs->doepctl, depctl.d32); -+ if (_core_if->dma_enable) { -+ dwc_write_reg32(&out_regs->doepdma,(uint32_t) _ep->xfer_buff); -+ } -+ } -+ DWC_DEBUGPL(DBG_PCD, "DOEPCTL=%08x DOEPTSIZ=%08x\n", -+ dwc_read_reg32(&out_regs->doepctl), -+ dwc_read_reg32(&out_regs->doeptsiz)); -+ DWC_DEBUGPL(DBG_PCD, "DAINTMSK=%08x GINTMSK=%08x\n", -+ dwc_read_reg32(&_core_if->dev_if->dev_global_regs->daintmsk), -+ dwc_read_reg32(&_core_if->core_global_regs->gintmsk)); -+ -+ SET_DEBUG_LEVEL(lvl); -+#endif -+ DWC_DEBUGPL((DBG_PCDV | DBG_CILV), "%s()\n", __func__); -+ -+ DWC_DEBUGPL(DBG_PCD, "ep%d-%s xfer_len=%d xfer_cnt=%d " -+ "xfer_buff=%p start_xfer_buff=%p\n", -+ _ep->num, (_ep->is_in?"IN":"OUT"), _ep->xfer_len, -+ _ep->xfer_count, _ep->xfer_buff, _ep->start_xfer_buff); -+ -+ /* IN endpoint */ -+ if (_ep->is_in == 1) { -+ dwc_otg_dev_in_ep_regs_t * in_regs = _core_if->dev_if->in_ep_regs[_ep->num]; -+ gnptxsts_data_t gtxstatus; -+ gtxstatus.d32 = dwc_read_reg32(&_core_if->core_global_regs->gnptxsts); -+ if (_core_if->en_multiple_tx_fifo == 0 && -+ gtxstatus.b.nptxqspcavail == 0) { -+#ifdef DEBUG -+ DWC_PRINT("TX Queue Full (0x%0x)\n", gtxstatus.d32); -+#endif -+ //return; -+ MDELAY(100); //james -+ } -+ -+ depctl.d32 = dwc_read_reg32(&(in_regs->diepctl)); -+ deptsiz.d32 = dwc_read_reg32(&(in_regs->dieptsiz)); -+ -+ /* Zero Length Packet? */ -+ if (_ep->xfer_len == 0) { -+ deptsiz.b.xfersize = 0; -+ deptsiz.b.pktcnt = 1; -+ } else { -+ -+ /* Program the transfer size and packet count -+ * as follows: xfersize = N * maxpacket + -+ * short_packet pktcnt = N + (short_packet -+ * exist ? 1 : 0) -+ */ -+ deptsiz.b.xfersize = _ep->xfer_len; -+ deptsiz.b.pktcnt = (_ep->xfer_len - 1 + _ep->maxpacket) / _ep->maxpacket; -+ } -+ -+ dwc_write_reg32(&in_regs->dieptsiz, deptsiz.d32); -+ -+ /* Write the DMA register */ -+ if (_core_if->dma_enable) { -+#if 1 // winder -+ dma_cache_wback_inv((unsigned long) _ep->xfer_buff, _ep->xfer_len); // winder -+ dwc_write_reg32 (&(in_regs->diepdma), -+ CPHYSADDR((uint32_t)_ep->xfer_buff)); // winder -+#else -+ dwc_write_reg32 (&(in_regs->diepdma), -+ (uint32_t)_ep->dma_addr); -+#endif -+ } else { -+ if (_ep->type != DWC_OTG_EP_TYPE_ISOC) { -+ /** -+ * Enable the Non-Periodic Tx FIFO empty interrupt, -+ * or the Tx FIFO epmty interrupt in dedicated Tx FIFO mode, -+ * the data will be written into the fifo by the ISR. -+ */ -+ if (_core_if->en_multiple_tx_fifo == 0) { -+ intr_mask.b.nptxfempty = 1; -+ dwc_modify_reg32( &_core_if->core_global_regs->gintsts, -+ intr_mask.d32, 0); -+ dwc_modify_reg32( &_core_if->core_global_regs->gintmsk, -+ intr_mask.d32, intr_mask.d32); -+ } else { -+ /* Enable the Tx FIFO Empty Interrupt for this EP */ -+ if (_ep->xfer_len > 0) { -+ uint32_t fifoemptymsk = 0; -+ fifoemptymsk = 1 << _ep->num; -+ dwc_modify_reg32(&_core_if->dev_if->dev_global_regs-> -+ dtknqr4_fifoemptymsk,0,fifoemptymsk); -+ } -+ } -+ } -+ } -+ -+ /* EP enable, IN data in FIFO */ -+ depctl.b.cnak = 1; -+ depctl.b.epena = 1; -+ dwc_write_reg32(&in_regs->diepctl, depctl.d32); -+ -+ if (_core_if->dma_enable) { -+ depctl.d32 = dwc_read_reg32 (&_core_if->dev_if->in_ep_regs[0]->diepctl); -+ depctl.b.nextep = _ep->num; -+ dwc_write_reg32 (&_core_if->dev_if->in_ep_regs[0]->diepctl, depctl.d32); -+ -+ } -+ } else { -+ /* OUT endpoint */ -+ dwc_otg_dev_out_ep_regs_t * out_regs = _core_if->dev_if->out_ep_regs[_ep->num]; -+ -+ depctl.d32 = dwc_read_reg32(&(out_regs->doepctl)); -+ deptsiz.d32 = dwc_read_reg32(&(out_regs->doeptsiz)); -+ -+ /* Program the transfer size and packet count as follows: -+ * -+ * pktcnt = N -+ * xfersize = N * maxpacket -+ */ -+ if (_ep->xfer_len == 0) { -+ /* Zero Length Packet */ -+ deptsiz.b.xfersize = _ep->maxpacket; -+ deptsiz.b.pktcnt = 1; -+ } else { -+ deptsiz.b.pktcnt = (_ep->xfer_len + (_ep->maxpacket - 1)) / _ep->maxpacket; -+ deptsiz.b.xfersize = deptsiz.b.pktcnt * _ep->maxpacket; -+ } -+ dwc_write_reg32(&out_regs->doeptsiz, deptsiz.d32); -+ -+ DWC_DEBUGPL(DBG_PCDV, "ep%d xfersize=%d pktcnt=%d\n", -+ _ep->num, deptsiz.b.xfersize, deptsiz.b.pktcnt); -+ -+ if (_core_if->dma_enable) { -+#if 1 // winder -+ dwc_write_reg32 (&(out_regs->doepdma), -+ CPHYSADDR((uint32_t)_ep->xfer_buff)); // winder -+#else -+ dwc_write_reg32 (&(out_regs->doepdma), -+ (uint32_t)_ep->dma_addr); -+#endif -+ } -+ -+ if (_ep->type == DWC_OTG_EP_TYPE_ISOC) { -+ /** @todo NGS: dpid is read-only. Use setd0pid -+ * or setd1pid. */ -+ if (_ep->even_odd_frame) { -+ depctl.b.setd1pid = 1; -+ } else { -+ depctl.b.setd0pid = 1; -+ } -+ } -+ -+ /* EP enable */ -+ depctl.b.cnak = 1; -+ depctl.b.epena = 1; -+ -+ dwc_write_reg32(&out_regs->doepctl, depctl.d32); -+ -+ DWC_DEBUGPL(DBG_PCD, "DOEPCTL=%08x DOEPTSIZ=%08x\n", -+ dwc_read_reg32(&out_regs->doepctl), -+ dwc_read_reg32(&out_regs->doeptsiz)); -+ DWC_DEBUGPL(DBG_PCD, "DAINTMSK=%08x GINTMSK=%08x\n", -+ dwc_read_reg32(&_core_if->dev_if->dev_global_regs->daintmsk), -+ dwc_read_reg32(&_core_if->core_global_regs->gintmsk)); -+ } -+} -+ -+ -+/** -+ * This function does the setup for a data transfer for EP0 and starts -+ * the transfer. For an IN transfer, the packets will be loaded into -+ * the appropriate Tx FIFO in the ISR. For OUT transfers, the packets are -+ * unloaded from the Rx FIFO in the ISR. -+ * -+ * @param _core_if Programming view of DWC_otg controller. -+ * @param _ep The EP0 data. -+ */ -+void dwc_otg_ep0_start_transfer(dwc_otg_core_if_t *_core_if, dwc_ep_t *_ep) -+{ -+ volatile depctl_data_t depctl; -+ volatile deptsiz0_data_t deptsiz; -+ gintmsk_data_t intr_mask = { .d32 = 0}; -+ -+ DWC_DEBUGPL(DBG_PCD, "ep%d-%s xfer_len=%d xfer_cnt=%d " -+ "xfer_buff=%p start_xfer_buff=%p total_len=%d\n", -+ _ep->num, (_ep->is_in?"IN":"OUT"), _ep->xfer_len, -+ _ep->xfer_count, _ep->xfer_buff, _ep->start_xfer_buff, -+ _ep->total_len); -+ _ep->total_len = _ep->xfer_len; -+ -+ /* IN endpoint */ -+ if (_ep->is_in == 1) { -+ dwc_otg_dev_in_ep_regs_t * in_regs = _core_if->dev_if->in_ep_regs[0]; -+ gnptxsts_data_t gtxstatus; -+ gtxstatus.d32 = dwc_read_reg32(&_core_if->core_global_regs->gnptxsts); -+ if (_core_if->en_multiple_tx_fifo == 0 && -+ gtxstatus.b.nptxqspcavail == 0) { -+#ifdef DEBUG -+ deptsiz.d32 = dwc_read_reg32(&in_regs->dieptsiz); -+ DWC_DEBUGPL(DBG_PCD,"DIEPCTL0=%0x\n", -+ dwc_read_reg32(&in_regs->diepctl)); -+ DWC_DEBUGPL(DBG_PCD, "DIEPTSIZ0=%0x (sz=%d, pcnt=%d)\n", -+ deptsiz.d32, deptsiz.b.xfersize,deptsiz.b.pktcnt); -+ DWC_PRINT("TX Queue or FIFO Full (0x%0x)\n", gtxstatus.d32); -+#endif /* */ -+ printk("TX Queue or FIFO Full!!!!\n"); // test-only -+ //return; -+ MDELAY(100); //james -+ } -+ -+ depctl.d32 = dwc_read_reg32(&in_regs->diepctl); -+ deptsiz.d32 = dwc_read_reg32(&in_regs->dieptsiz); -+ -+ /* Zero Length Packet? */ -+ if (_ep->xfer_len == 0) { -+ deptsiz.b.xfersize = 0; -+ deptsiz.b.pktcnt = 1; -+ } else { -+ /* Program the transfer size and packet count -+ * as follows: xfersize = N * maxpacket + -+ * short_packet pktcnt = N + (short_packet -+ * exist ? 1 : 0) -+ */ -+ if (_ep->xfer_len > _ep->maxpacket) { -+ _ep->xfer_len = _ep->maxpacket; -+ deptsiz.b.xfersize = _ep->maxpacket; -+ } -+ else { -+ deptsiz.b.xfersize = _ep->xfer_len; -+ } -+ deptsiz.b.pktcnt = 1; -+ -+ } -+ dwc_write_reg32(&in_regs->dieptsiz, deptsiz.d32); -+ DWC_DEBUGPL(DBG_PCDV, "IN len=%d xfersize=%d pktcnt=%d [%08x]\n", -+ _ep->xfer_len, deptsiz.b.xfersize,deptsiz.b.pktcnt, deptsiz.d32); -+ -+ /* Write the DMA register */ -+ if (_core_if->dma_enable) { -+ dwc_write_reg32(&(in_regs->diepdma), (uint32_t) _ep->dma_addr); -+ } -+ -+ /* EP enable, IN data in FIFO */ -+ depctl.b.cnak = 1; -+ depctl.b.epena = 1; -+ dwc_write_reg32(&in_regs->diepctl, depctl.d32); -+ -+ /** -+ * Enable the Non-Periodic Tx FIFO empty interrupt, the -+ * data will be written into the fifo by the ISR. -+ */ -+ if (!_core_if->dma_enable) { -+ if (_core_if->en_multiple_tx_fifo == 0) { -+ intr_mask.b.nptxfempty = 1; -+ dwc_modify_reg32(&_core_if->core_global_regs->gintsts, intr_mask.d32, 0); -+ dwc_modify_reg32(&_core_if->core_global_regs->gintmsk, intr_mask.d32, -+ intr_mask.d32); -+ } else { -+ /* Enable the Tx FIFO Empty Interrupt for this EP */ -+ if (_ep->xfer_len > 0) { -+ uint32_t fifoemptymsk = 0; -+ fifoemptymsk |= 1 << _ep->num; -+ dwc_modify_reg32(&_core_if->dev_if->dev_global_regs->dtknqr4_fifoemptymsk, -+ 0, fifoemptymsk); -+ } -+ -+ } -+ } -+ } else { -+ /* OUT endpoint */ -+ dwc_otg_dev_out_ep_regs_t * out_regs = _core_if->dev_if->out_ep_regs[_ep->num]; -+ -+ depctl.d32 = dwc_read_reg32(&out_regs->doepctl); -+ deptsiz.d32 = dwc_read_reg32(&out_regs->doeptsiz); -+ -+ /* Program the transfer size and packet count as follows: -+ * xfersize = N * (maxpacket + 4 - (maxpacket % 4)) -+ * pktcnt = N */ -+ if (_ep->xfer_len == 0) { -+ /* Zero Length Packet */ -+ deptsiz.b.xfersize = _ep->maxpacket; -+ deptsiz.b.pktcnt = 1; -+ } else { -+ deptsiz.b.pktcnt = (_ep->xfer_len + (_ep->maxpacket - 1)) / _ep->maxpacket; -+ deptsiz.b.xfersize = deptsiz.b.pktcnt * _ep->maxpacket; -+ } -+ -+ dwc_write_reg32(&out_regs->doeptsiz, deptsiz.d32); -+ DWC_DEBUGPL(DBG_PCDV, "len=%d xfersize=%d pktcnt=%d\n", -+ _ep->xfer_len, deptsiz.b.xfersize,deptsiz.b.pktcnt); -+ -+ if (_core_if->dma_enable) { -+ dwc_write_reg32(&(out_regs->doepdma), (uint32_t) _ep->dma_addr); -+ } -+ -+ /* EP enable */ -+ depctl.b.cnak = 1; -+ depctl.b.epena = 1; -+ dwc_write_reg32 (&(out_regs->doepctl), depctl.d32); -+ } -+} -+ -+/** -+ * This function continues control IN transfers started by -+ * dwc_otg_ep0_start_transfer, when the transfer does not fit in a -+ * single packet. NOTE: The DIEPCTL0/DOEPCTL0 registers only have one -+ * bit for the packet count. -+ * -+ * @param _core_if Programming view of DWC_otg controller. -+ * @param _ep The EP0 data. -+ */ -+void dwc_otg_ep0_continue_transfer(dwc_otg_core_if_t *_core_if, dwc_ep_t *_ep) -+{ -+ depctl_data_t depctl; -+ deptsiz0_data_t deptsiz; -+ gintmsk_data_t intr_mask = { .d32 = 0}; -+ -+ if (_ep->is_in == 1) { -+ dwc_otg_dev_in_ep_regs_t *in_regs = -+ _core_if->dev_if->in_ep_regs[0]; -+ gnptxsts_data_t tx_status = {.d32 = 0}; -+ -+ tx_status.d32 = dwc_read_reg32( &_core_if->core_global_regs->gnptxsts ); -+ /** @todo Should there be check for room in the Tx -+ * Status Queue. If not remove the code above this comment. */ -+ -+ depctl.d32 = dwc_read_reg32(&in_regs->diepctl); -+ deptsiz.d32 = dwc_read_reg32(&in_regs->dieptsiz); -+ -+ /* Program the transfer size and packet count -+ * as follows: xfersize = N * maxpacket + -+ * short_packet pktcnt = N + (short_packet -+ * exist ? 1 : 0) -+ */ -+ deptsiz.b.xfersize = (_ep->total_len - _ep->xfer_count) > _ep->maxpacket ? _ep->maxpacket : -+ (_ep->total_len - _ep->xfer_count); -+ deptsiz.b.pktcnt = 1; -+ _ep->xfer_len += deptsiz.b.xfersize; -+ -+ dwc_write_reg32(&in_regs->dieptsiz, deptsiz.d32); -+ DWC_DEBUGPL(DBG_PCDV, "IN len=%d xfersize=%d pktcnt=%d [%08x]\n", -+ _ep->xfer_len, -+ deptsiz.b.xfersize, deptsiz.b.pktcnt, deptsiz.d32); -+ -+ /* Write the DMA register */ -+ if (_core_if->hwcfg2.b.architecture == DWC_INT_DMA_ARCH) { -+ dwc_write_reg32 (&(in_regs->diepdma), -+ CPHYSADDR((uint32_t)_ep->dma_addr)); // winder -+ } -+ -+ /* EP enable, IN data in FIFO */ -+ depctl.b.cnak = 1; -+ depctl.b.epena = 1; -+ dwc_write_reg32(&in_regs->diepctl, depctl.d32); -+ -+ /** -+ * Enable the Non-Periodic Tx FIFO empty interrupt, the -+ * data will be written into the fifo by the ISR. -+ */ -+ if (!_core_if->dma_enable) { -+ /* First clear it from GINTSTS */ -+ intr_mask.b.nptxfempty = 1; -+ dwc_write_reg32( &_core_if->core_global_regs->gintsts, -+ intr_mask.d32 ); -+ -+ dwc_modify_reg32( &_core_if->core_global_regs->gintmsk, -+ intr_mask.d32, intr_mask.d32); -+ } -+ -+ } -+ -+} -+ -+#ifdef DEBUG -+void dump_msg(const u8 *buf, unsigned int length) -+{ -+ unsigned int start, num, i; -+ char line[52], *p; -+ -+ if (length >= 512) -+ return; -+ start = 0; -+ while (length > 0) { -+ num = min(length, 16u); -+ p = line; -+ for (i = 0; i < num; ++i) { -+ if (i == 8) -+ *p++ = ' '; -+ sprintf(p, " %02x", buf[i]); -+ p += 3; -+ } -+ *p = 0; -+ DWC_PRINT( "%6x: %s\n", start, line); -+ buf += num; -+ start += num; -+ length -= num; -+ } -+} -+#else -+static inline void dump_msg(const u8 *buf, unsigned int length) -+{ -+} -+#endif -+ -+/** -+ * This function writes a packet into the Tx FIFO associated with the -+ * EP. For non-periodic EPs the non-periodic Tx FIFO is written. For -+ * periodic EPs the periodic Tx FIFO associated with the EP is written -+ * with all packets for the next micro-frame. -+ * -+ * @param _core_if Programming view of DWC_otg controller. -+ * @param _ep The EP to write packet for. -+ * @param _dma Indicates if DMA is being used. -+ */ -+void dwc_otg_ep_write_packet(dwc_otg_core_if_t *_core_if, dwc_ep_t *_ep, int _dma) -+{ -+ /** -+ * The buffer is padded to DWORD on a per packet basis in -+ * slave/dma mode if the MPS is not DWORD aligned. The last -+ * packet, if short, is also padded to a multiple of DWORD. -+ * -+ * ep->xfer_buff always starts DWORD aligned in memory and is a -+ * multiple of DWORD in length -+ * -+ * ep->xfer_len can be any number of bytes -+ * -+ * ep->xfer_count is a multiple of ep->maxpacket until the last -+ * packet -+ * -+ * FIFO access is DWORD */ -+ -+ uint32_t i; -+ uint32_t byte_count; -+ uint32_t dword_count; -+ uint32_t *fifo; -+ uint32_t *data_buff = (uint32_t *)_ep->xfer_buff; -+ -+ //DWC_DEBUGPL((DBG_PCDV | DBG_CILV), "%s(%p,%p)\n", __func__, _core_if, _ep); -+ if (_ep->xfer_count >= _ep->xfer_len) { -+ DWC_WARN("%s() No data for EP%d!!!\n", __func__, _ep->num); -+ return; -+ } -+ -+ /* Find the byte length of the packet either short packet or MPS */ -+ if ((_ep->xfer_len - _ep->xfer_count) < _ep->maxpacket) { -+ byte_count = _ep->xfer_len - _ep->xfer_count; -+ } -+ else { -+ byte_count = _ep->maxpacket; -+ } -+ -+ /* Find the DWORD length, padded by extra bytes as neccessary if MPS -+ * is not a multiple of DWORD */ -+ dword_count = (byte_count + 3) / 4; -+ -+#ifdef VERBOSE -+ dump_msg(_ep->xfer_buff, byte_count); -+#endif -+ if (_ep->type == DWC_OTG_EP_TYPE_ISOC) { -+ /**@todo NGS Where are the Periodic Tx FIFO addresses -+ * intialized? What should this be? */ -+ fifo = _core_if->data_fifo[_ep->tx_fifo_num]; -+ } else { -+ fifo = _core_if->data_fifo[_ep->num]; -+ } -+ -+ DWC_DEBUGPL((DBG_PCDV|DBG_CILV), "fifo=%p buff=%p *p=%08x bc=%d\n", -+ fifo, data_buff, *data_buff, byte_count); -+ -+ -+ if (!_dma) { -+ for (i=0; i<dword_count; i++, data_buff++) { -+ dwc_write_reg32( fifo, *data_buff ); -+ } -+ } -+ -+ _ep->xfer_count += byte_count; -+ _ep->xfer_buff += byte_count; -+#if 1 // winder, why do we need this?? -+ _ep->dma_addr += byte_count; -+#endif -+} -+ -+/** -+ * Set the EP STALL. -+ * -+ * @param _core_if Programming view of DWC_otg controller. -+ * @param _ep The EP to set the stall on. -+ */ -+void dwc_otg_ep_set_stall(dwc_otg_core_if_t *_core_if, dwc_ep_t *_ep) -+{ -+ depctl_data_t depctl; -+ volatile uint32_t *depctl_addr; -+ -+ DWC_DEBUGPL(DBG_PCD, "%s ep%d-%s\n", __func__, _ep->num, -+ (_ep->is_in?"IN":"OUT")); -+ -+ if (_ep->is_in == 1) { -+ depctl_addr = &(_core_if->dev_if->in_ep_regs[_ep->num]->diepctl); -+ depctl.d32 = dwc_read_reg32(depctl_addr); -+ -+ /* set the disable and stall bits */ -+ if (depctl.b.epena) { -+ depctl.b.epdis = 1; -+ } -+ depctl.b.stall = 1; -+ dwc_write_reg32(depctl_addr, depctl.d32); -+ -+ } else { -+ depctl_addr = &(_core_if->dev_if->out_ep_regs[_ep->num]->doepctl); -+ depctl.d32 = dwc_read_reg32(depctl_addr); -+ -+ /* set the stall bit */ -+ depctl.b.stall = 1; -+ dwc_write_reg32(depctl_addr, depctl.d32); -+ } -+ DWC_DEBUGPL(DBG_PCD,"DEPCTL=%0x\n",dwc_read_reg32(depctl_addr)); -+ return; -+} -+ -+/** -+ * Clear the EP STALL. -+ * -+ * @param _core_if Programming view of DWC_otg controller. -+ * @param _ep The EP to clear stall from. -+ */ -+void dwc_otg_ep_clear_stall(dwc_otg_core_if_t *_core_if, dwc_ep_t *_ep) -+{ -+ depctl_data_t depctl; -+ volatile uint32_t *depctl_addr; -+ -+ DWC_DEBUGPL(DBG_PCD, "%s ep%d-%s\n", __func__, _ep->num, -+ (_ep->is_in?"IN":"OUT")); -+ -+ if (_ep->is_in == 1) { -+ depctl_addr = &(_core_if->dev_if->in_ep_regs[_ep->num]->diepctl); -+ } else { -+ depctl_addr = &(_core_if->dev_if->out_ep_regs[_ep->num]->doepctl); -+ } -+ -+ depctl.d32 = dwc_read_reg32(depctl_addr); -+ -+ /* clear the stall bits */ -+ depctl.b.stall = 0; -+ -+ /* -+ * USB Spec 9.4.5: For endpoints using data toggle, regardless -+ * of whether an endpoint has the Halt feature set, a -+ * ClearFeature(ENDPOINT_HALT) request always results in the -+ * data toggle being reinitialized to DATA0. -+ */ -+ if (_ep->type == DWC_OTG_EP_TYPE_INTR || -+ _ep->type == DWC_OTG_EP_TYPE_BULK) { -+ depctl.b.setd0pid = 1; /* DATA0 */ -+ } -+ -+ dwc_write_reg32(depctl_addr, depctl.d32); -+ DWC_DEBUGPL(DBG_PCD,"DEPCTL=%0x\n",dwc_read_reg32(depctl_addr)); -+ return; -+} -+ -+/** -+ * This function reads a packet from the Rx FIFO into the destination -+ * buffer. To read SETUP data use dwc_otg_read_setup_packet. -+ * -+ * @param _core_if Programming view of DWC_otg controller. -+ * @param _dest Destination buffer for the packet. -+ * @param _bytes Number of bytes to copy to the destination. -+ */ -+void dwc_otg_read_packet(dwc_otg_core_if_t *_core_if, -+ uint8_t *_dest, -+ uint16_t _bytes) -+{ -+ int i; -+ int word_count = (_bytes + 3) / 4; -+ -+ volatile uint32_t *fifo = _core_if->data_fifo[0]; -+ uint32_t *data_buff = (uint32_t *)_dest; -+ -+ /** -+ * @todo Account for the case where _dest is not dword aligned. This -+ * requires reading data from the FIFO into a uint32_t temp buffer, -+ * then moving it into the data buffer. -+ */ -+ -+ DWC_DEBUGPL((DBG_PCDV | DBG_CILV), "%s(%p,%p,%d)\n", __func__, -+ _core_if, _dest, _bytes); -+ -+ for (i=0; i<word_count; i++, data_buff++) { -+ *data_buff = dwc_read_reg32(fifo); -+ } -+ -+ return; -+} -+ -+ -+#ifdef DEBUG -+/** -+ * This functions reads the device registers and prints them -+ * -+ * @param _core_if Programming view of DWC_otg controller. -+ */ -+void dwc_otg_dump_dev_registers(dwc_otg_core_if_t *_core_if) -+{ -+ int i; -+ volatile uint32_t *addr; -+ -+ DWC_PRINT("Device Global Registers\n"); -+ addr=&_core_if->dev_if->dev_global_regs->dcfg; -+ DWC_PRINT("DCFG @0x%08X : 0x%08X\n",(uint32_t)addr,dwc_read_reg32(addr)); -+ addr=&_core_if->dev_if->dev_global_regs->dctl; -+ DWC_PRINT("DCTL @0x%08X : 0x%08X\n",(uint32_t)addr,dwc_read_reg32(addr)); -+ addr=&_core_if->dev_if->dev_global_regs->dsts; -+ DWC_PRINT("DSTS @0x%08X : 0x%08X\n",(uint32_t)addr,dwc_read_reg32(addr)); -+ addr=&_core_if->dev_if->dev_global_regs->diepmsk; -+ DWC_PRINT("DIEPMSK @0x%08X : 0x%08X\n",(uint32_t)addr,dwc_read_reg32(addr)); -+ addr=&_core_if->dev_if->dev_global_regs->doepmsk; -+ DWC_PRINT("DOEPMSK @0x%08X : 0x%08X\n",(uint32_t)addr,dwc_read_reg32(addr)); -+ addr=&_core_if->dev_if->dev_global_regs->daint; -+ DWC_PRINT("DAINT @0x%08X : 0x%08X\n",(uint32_t)addr,dwc_read_reg32(addr)); -+ addr=&_core_if->dev_if->dev_global_regs->dtknqr1; -+ DWC_PRINT("DTKNQR1 @0x%08X : 0x%08X\n",(uint32_t)addr,dwc_read_reg32(addr)); -+ if (_core_if->hwcfg2.b.dev_token_q_depth > 6) { -+ addr=&_core_if->dev_if->dev_global_regs->dtknqr2; -+ DWC_PRINT("DTKNQR2 @0x%08X : 0x%08X\n", -+ (uint32_t)addr,dwc_read_reg32(addr)); -+ } -+ -+ addr=&_core_if->dev_if->dev_global_regs->dvbusdis; -+ DWC_PRINT("DVBUSID @0x%08X : 0x%08X\n",(uint32_t)addr,dwc_read_reg32(addr)); -+ -+ addr=&_core_if->dev_if->dev_global_regs->dvbuspulse; -+ DWC_PRINT("DVBUSPULSE @0x%08X : 0x%08X\n", -+ (uint32_t)addr,dwc_read_reg32(addr)); -+ -+ if (_core_if->hwcfg2.b.dev_token_q_depth > 14) { -+ addr = &_core_if->dev_if->dev_global_regs->dtknqr3_dthrctl; -+ DWC_PRINT("DTKNQR3 @0x%08X : 0x%08X\n", -+ (uint32_t)addr, dwc_read_reg32(addr)); -+ } -+ -+ if (_core_if->hwcfg2.b.dev_token_q_depth > 22) { -+ addr = &_core_if->dev_if->dev_global_regs->dtknqr4_fifoemptymsk; -+ DWC_PRINT("DTKNQR4 @0x%08X : 0x%08X\n", (uint32_t) addr, -+ dwc_read_reg32(addr)); -+ } -+ for (i = 0; i <= _core_if->dev_if->num_in_eps; i++) { -+ DWC_PRINT("Device IN EP %d Registers\n", i); -+ addr=&_core_if->dev_if->in_ep_regs[i]->diepctl; -+ DWC_PRINT("DIEPCTL @0x%08X : 0x%08X\n",(uint32_t)addr,dwc_read_reg32(addr)); -+ addr=&_core_if->dev_if->in_ep_regs[i]->diepint; -+ DWC_PRINT("DIEPINT @0x%08X : 0x%08X\n",(uint32_t)addr,dwc_read_reg32(addr)); -+ addr=&_core_if->dev_if->in_ep_regs[i]->dieptsiz; -+ DWC_PRINT("DIETSIZ @0x%08X : 0x%08X\n",(uint32_t)addr,dwc_read_reg32(addr)); -+ addr=&_core_if->dev_if->in_ep_regs[i]->diepdma; -+ DWC_PRINT("DIEPDMA @0x%08X : 0x%08X\n",(uint32_t)addr,dwc_read_reg32(addr)); -+ -+addr = &_core_if->dev_if->in_ep_regs[i]->dtxfsts; -+ DWC_PRINT("DTXFSTS @0x%08X : 0x%08X\n", (uint32_t) addr, -+ dwc_read_reg32(addr)); -+ } -+ for (i = 0; i <= _core_if->dev_if->num_out_eps; i++) { -+ DWC_PRINT("Device OUT EP %d Registers\n", i); -+ addr=&_core_if->dev_if->out_ep_regs[i]->doepctl; -+ DWC_PRINT("DOEPCTL @0x%08X : 0x%08X\n",(uint32_t)addr,dwc_read_reg32(addr)); -+ addr=&_core_if->dev_if->out_ep_regs[i]->doepfn; -+ DWC_PRINT("DOEPFN @0x%08X : 0x%08X\n",(uint32_t)addr,dwc_read_reg32(addr)); -+ addr=&_core_if->dev_if->out_ep_regs[i]->doepint; -+ DWC_PRINT("DOEPINT @0x%08X : 0x%08X\n",(uint32_t)addr,dwc_read_reg32(addr)); -+ addr=&_core_if->dev_if->out_ep_regs[i]->doeptsiz; -+ DWC_PRINT("DOETSIZ @0x%08X : 0x%08X\n",(uint32_t)addr,dwc_read_reg32(addr)); -+ addr=&_core_if->dev_if->out_ep_regs[i]->doepdma; -+ DWC_PRINT("DOEPDMA @0x%08X : 0x%08X\n",(uint32_t)addr,dwc_read_reg32(addr)); -+ } -+ return; -+} -+ -+/** -+ * This function reads the host registers and prints them -+ * -+ * @param _core_if Programming view of DWC_otg controller. -+ */ -+void dwc_otg_dump_host_registers(dwc_otg_core_if_t *_core_if) -+{ -+ int i; -+ volatile uint32_t *addr; -+ -+ DWC_PRINT("Host Global Registers\n"); -+ addr=&_core_if->host_if->host_global_regs->hcfg; -+ DWC_PRINT("HCFG @0x%08X : 0x%08X\n",(uint32_t)addr,dwc_read_reg32(addr)); -+ addr=&_core_if->host_if->host_global_regs->hfir; -+ DWC_PRINT("HFIR @0x%08X : 0x%08X\n",(uint32_t)addr,dwc_read_reg32(addr)); -+ addr=&_core_if->host_if->host_global_regs->hfnum; -+ DWC_PRINT("HFNUM @0x%08X : 0x%08X\n",(uint32_t)addr,dwc_read_reg32(addr)); -+ addr=&_core_if->host_if->host_global_regs->hptxsts; -+ DWC_PRINT("HPTXSTS @0x%08X : 0x%08X\n",(uint32_t)addr,dwc_read_reg32(addr)); -+ addr=&_core_if->host_if->host_global_regs->haint; -+ DWC_PRINT("HAINT @0x%08X : 0x%08X\n",(uint32_t)addr,dwc_read_reg32(addr)); -+ addr=&_core_if->host_if->host_global_regs->haintmsk; -+ DWC_PRINT("HAINTMSK @0x%08X : 0x%08X\n",(uint32_t)addr,dwc_read_reg32(addr)); -+ addr=_core_if->host_if->hprt0; -+ DWC_PRINT("HPRT0 @0x%08X : 0x%08X\n",(uint32_t)addr,dwc_read_reg32(addr)); -+ -+ for (i=0; i<_core_if->core_params->host_channels; i++) { -+ DWC_PRINT("Host Channel %d Specific Registers\n", i); -+ addr=&_core_if->host_if->hc_regs[i]->hcchar; -+ DWC_PRINT("HCCHAR @0x%08X : 0x%08X\n",(uint32_t)addr,dwc_read_reg32(addr)); -+ addr=&_core_if->host_if->hc_regs[i]->hcsplt; -+ DWC_PRINT("HCSPLT @0x%08X : 0x%08X\n",(uint32_t)addr,dwc_read_reg32(addr)); -+ addr=&_core_if->host_if->hc_regs[i]->hcint; -+ DWC_PRINT("HCINT @0x%08X : 0x%08X\n",(uint32_t)addr,dwc_read_reg32(addr)); -+ addr=&_core_if->host_if->hc_regs[i]->hcintmsk; -+ DWC_PRINT("HCINTMSK @0x%08X : 0x%08X\n",(uint32_t)addr,dwc_read_reg32(addr)); -+ addr=&_core_if->host_if->hc_regs[i]->hctsiz; -+ DWC_PRINT("HCTSIZ @0x%08X : 0x%08X\n",(uint32_t)addr,dwc_read_reg32(addr)); -+ addr=&_core_if->host_if->hc_regs[i]->hcdma; -+ DWC_PRINT("HCDMA @0x%08X : 0x%08X\n",(uint32_t)addr,dwc_read_reg32(addr)); -+ -+ } -+ return; -+} -+ -+/** -+ * This function reads the core global registers and prints them -+ * -+ * @param _core_if Programming view of DWC_otg controller. -+ */ -+void dwc_otg_dump_global_registers(dwc_otg_core_if_t *_core_if) -+{ -+ int i; -+ volatile uint32_t *addr; -+ -+ DWC_PRINT("Core Global Registers\n"); -+ addr=&_core_if->core_global_regs->gotgctl; -+ DWC_PRINT("GOTGCTL @0x%08X : 0x%08X\n",(uint32_t)addr,dwc_read_reg32(addr)); -+ addr=&_core_if->core_global_regs->gotgint; -+ DWC_PRINT("GOTGINT @0x%08X : 0x%08X\n",(uint32_t)addr,dwc_read_reg32(addr)); -+ addr=&_core_if->core_global_regs->gahbcfg; -+ DWC_PRINT("GAHBCFG @0x%08X : 0x%08X\n",(uint32_t)addr,dwc_read_reg32(addr)); -+ addr=&_core_if->core_global_regs->gusbcfg; -+ DWC_PRINT("GUSBCFG @0x%08X : 0x%08X\n",(uint32_t)addr,dwc_read_reg32(addr)); -+ addr=&_core_if->core_global_regs->grstctl; -+ DWC_PRINT("GRSTCTL @0x%08X : 0x%08X\n",(uint32_t)addr,dwc_read_reg32(addr)); -+ addr=&_core_if->core_global_regs->gintsts; -+ DWC_PRINT("GINTSTS @0x%08X : 0x%08X\n",(uint32_t)addr,dwc_read_reg32(addr)); -+ addr=&_core_if->core_global_regs->gintmsk; -+ DWC_PRINT("GINTMSK @0x%08X : 0x%08X\n",(uint32_t)addr,dwc_read_reg32(addr)); -+ addr=&_core_if->core_global_regs->grxstsr; -+ DWC_PRINT("GRXSTSR @0x%08X : 0x%08X\n",(uint32_t)addr,dwc_read_reg32(addr)); -+ //addr=&_core_if->core_global_regs->grxstsp; -+ //DWC_PRINT("GRXSTSP @0x%08X : 0x%08X\n",(uint32_t)addr,dwc_read_reg32(addr)); -+ addr=&_core_if->core_global_regs->grxfsiz; -+ DWC_PRINT("GRXFSIZ @0x%08X : 0x%08X\n",(uint32_t)addr,dwc_read_reg32(addr)); -+ addr=&_core_if->core_global_regs->gnptxfsiz; -+ DWC_PRINT("GNPTXFSIZ @0x%08X : 0x%08X\n",(uint32_t)addr,dwc_read_reg32(addr)); -+ addr=&_core_if->core_global_regs->gnptxsts; -+ DWC_PRINT("GNPTXSTS @0x%08X : 0x%08X\n",(uint32_t)addr,dwc_read_reg32(addr)); -+ addr=&_core_if->core_global_regs->gi2cctl; -+ DWC_PRINT("GI2CCTL @0x%08X : 0x%08X\n",(uint32_t)addr,dwc_read_reg32(addr)); -+ addr=&_core_if->core_global_regs->gpvndctl; -+ DWC_PRINT("GPVNDCTL @0x%08X : 0x%08X\n",(uint32_t)addr,dwc_read_reg32(addr)); -+ addr=&_core_if->core_global_regs->ggpio; -+ DWC_PRINT("GGPIO @0x%08X : 0x%08X\n",(uint32_t)addr,dwc_read_reg32(addr)); -+ addr=&_core_if->core_global_regs->guid; -+ DWC_PRINT("GUID @0x%08X : 0x%08X\n",(uint32_t)addr,dwc_read_reg32(addr)); -+ addr=&_core_if->core_global_regs->gsnpsid; -+ DWC_PRINT("GSNPSID @0x%08X : 0x%08X\n",(uint32_t)addr,dwc_read_reg32(addr)); -+ addr=&_core_if->core_global_regs->ghwcfg1; -+ DWC_PRINT("GHWCFG1 @0x%08X : 0x%08X\n",(uint32_t)addr,dwc_read_reg32(addr)); -+ addr=&_core_if->core_global_regs->ghwcfg2; -+ DWC_PRINT("GHWCFG2 @0x%08X : 0x%08X\n",(uint32_t)addr,dwc_read_reg32(addr)); -+ addr=&_core_if->core_global_regs->ghwcfg3; -+ DWC_PRINT("GHWCFG3 @0x%08X : 0x%08X\n",(uint32_t)addr,dwc_read_reg32(addr)); -+ addr=&_core_if->core_global_regs->ghwcfg4; -+ DWC_PRINT("GHWCFG4 @0x%08X : 0x%08X\n",(uint32_t)addr,dwc_read_reg32(addr)); -+ addr=&_core_if->core_global_regs->hptxfsiz; -+ DWC_PRINT("HPTXFSIZ @0x%08X : 0x%08X\n",(uint32_t)addr,dwc_read_reg32(addr)); -+ -+ for (i=0; i<_core_if->hwcfg4.b.num_dev_perio_in_ep; i++) { -+ addr=&_core_if->core_global_regs->dptxfsiz_dieptxf[i]; -+ DWC_PRINT("DPTXFSIZ[%d] @0x%08X : 0x%08X\n",i,(uint32_t)addr,dwc_read_reg32(addr)); -+ } -+ -+} -+#endif -+ -+/** -+ * Flush a Tx FIFO. -+ * -+ * @param _core_if Programming view of DWC_otg controller. -+ * @param _num Tx FIFO to flush. -+ */ -+extern void dwc_otg_flush_tx_fifo( dwc_otg_core_if_t *_core_if, -+ const int _num ) -+{ -+ dwc_otg_core_global_regs_t *global_regs = _core_if->core_global_regs; -+ volatile grstctl_t greset = { .d32 = 0}; -+ int count = 0; -+ -+ DWC_DEBUGPL((DBG_CIL|DBG_PCDV), "Flush Tx FIFO %d\n", _num); -+ -+ greset.b.txfflsh = 1; -+ greset.b.txfnum = _num; -+ dwc_write_reg32( &global_regs->grstctl, greset.d32 ); -+ -+ do { -+ greset.d32 = dwc_read_reg32( &global_regs->grstctl); -+ if (++count > 10000){ -+ DWC_WARN("%s() HANG! GRSTCTL=%0x GNPTXSTS=0x%08x\n", -+ __func__, greset.d32, -+ dwc_read_reg32( &global_regs->gnptxsts)); -+ break; -+ } -+ -+ udelay(1); -+ } while (greset.b.txfflsh == 1); -+ /* Wait for 3 PHY Clocks*/ -+ UDELAY(1); -+} -+ -+/** -+ * Flush Rx FIFO. -+ * -+ * @param _core_if Programming view of DWC_otg controller. -+ */ -+extern void dwc_otg_flush_rx_fifo( dwc_otg_core_if_t *_core_if ) -+{ -+ dwc_otg_core_global_regs_t *global_regs = _core_if->core_global_regs; -+ volatile grstctl_t greset = { .d32 = 0}; -+ int count = 0; -+ -+ DWC_DEBUGPL((DBG_CIL|DBG_PCDV), "%s\n", __func__); -+ /* -+ * -+ */ -+ greset.b.rxfflsh = 1; -+ dwc_write_reg32( &global_regs->grstctl, greset.d32 ); -+ -+ do { -+ greset.d32 = dwc_read_reg32( &global_regs->grstctl); -+ if (++count > 10000){ -+ DWC_WARN("%s() HANG! GRSTCTL=%0x\n", __func__, -+ greset.d32); -+ break; -+ } -+ } while (greset.b.rxfflsh == 1); -+ /* Wait for 3 PHY Clocks*/ -+ UDELAY(1); -+} -+ -+/** -+ * Do core a soft reset of the core. Be careful with this because it -+ * resets all the internal state machines of the core. -+ */ -+ -+void dwc_otg_core_reset(dwc_otg_core_if_t *_core_if) -+{ -+ dwc_otg_core_global_regs_t *global_regs = _core_if->core_global_regs; -+ volatile grstctl_t greset = { .d32 = 0}; -+ int count = 0; -+ -+ DWC_DEBUGPL(DBG_CILV, "%s\n", __func__); -+ /* Wait for AHB master IDLE state. */ -+ do { -+ UDELAY(10); -+ greset.d32 = dwc_read_reg32( &global_regs->grstctl); -+ if (++count > 100000){ -+ DWC_WARN("%s() HANG! AHB Idle GRSTCTL=%0x %x\n", __func__, -+ greset.d32, greset.b.ahbidle); -+ return; -+ } -+ } while (greset.b.ahbidle == 0); -+ -+// winder add. -+#if 1 -+ /* Note: Actually, I don't exactly why we need to put delay here. */ -+ MDELAY(100); -+#endif -+ /* Core Soft Reset */ -+ count = 0; -+ greset.b.csftrst = 1; -+ dwc_write_reg32( &global_regs->grstctl, greset.d32 ); -+// winder add. -+#if 1 -+ /* Note: Actually, I don't exactly why we need to put delay here. */ -+ MDELAY(100); -+#endif -+ do { -+ greset.d32 = dwc_read_reg32( &global_regs->grstctl); -+ if (++count > 10000){ -+ DWC_WARN("%s() HANG! Soft Reset GRSTCTL=%0x\n", __func__, -+ greset.d32); -+ break; -+ } -+ udelay(1); -+ } while (greset.b.csftrst == 1); -+ /* Wait for 3 PHY Clocks*/ -+ //DWC_PRINT("100ms\n"); -+ MDELAY(100); -+} -+ -+ -+ -+/** -+ * Register HCD callbacks. The callbacks are used to start and stop -+ * the HCD for interrupt processing. -+ * -+ * @param _core_if Programming view of DWC_otg controller. -+ * @param _cb the HCD callback structure. -+ * @param _p pointer to be passed to callback function (usb_hcd*). -+ */ -+extern void dwc_otg_cil_register_hcd_callbacks( dwc_otg_core_if_t *_core_if, -+ dwc_otg_cil_callbacks_t *_cb, -+ void *_p) -+{ -+ _core_if->hcd_cb = _cb; -+ _cb->p = _p; -+} -+ -+/** -+ * Register PCD callbacks. The callbacks are used to start and stop -+ * the PCD for interrupt processing. -+ * -+ * @param _core_if Programming view of DWC_otg controller. -+ * @param _cb the PCD callback structure. -+ * @param _p pointer to be passed to callback function (pcd*). -+ */ -+extern void dwc_otg_cil_register_pcd_callbacks( dwc_otg_core_if_t *_core_if, -+ dwc_otg_cil_callbacks_t *_cb, -+ void *_p) -+{ -+ _core_if->pcd_cb = _cb; -+ _cb->p = _p; -+} -+ ---- /dev/null -+++ b/drivers/usb/dwc_otg/dwc_otg_cil.h -@@ -0,0 +1,911 @@ -+/* ========================================================================== -+ * $File: //dwh/usb_iip/dev/software/otg_ipmate/linux/drivers/dwc_otg_cil.h $ -+ * $Revision: 1.1.1.1 $ -+ * $Date: 2009-04-17 06:15:34 $ -+ * $Change: 631780 $ -+ * -+ * Synopsys HS OTG Linux Software Driver and documentation (hereinafter, -+ * "Software") is an Unsupported proprietary work of Synopsys, Inc. unless -+ * otherwise expressly agreed to in writing between Synopsys and you. -+ * -+ * The Software IS NOT an item of Licensed Software or Licensed Product under -+ * any End User Software License Agreement or Agreement for Licensed Product -+ * with Synopsys or any supplement thereto. You are permitted to use and -+ * redistribute this Software in source and binary forms, with or without -+ * modification, provided that redistributions of source code must retain this -+ * notice. You may not view, use, disclose, copy or distribute this file or -+ * any information contained herein except pursuant to this license grant from -+ * Synopsys. If you do not agree with this notice, including the disclaimer -+ * below, then you are not authorized to use the Software. -+ * -+ * THIS SOFTWARE IS BEING DISTRIBUTED BY SYNOPSYS SOLELY ON AN "AS IS" BASIS -+ * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE -+ * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE -+ * ARE HEREBY DISCLAIMED. IN NO EVENT SHALL SYNOPSYS BE LIABLE FOR ANY DIRECT, -+ * INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES -+ * (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR -+ * SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER -+ * CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT -+ * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY -+ * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH -+ * DAMAGE. -+ * ========================================================================== */ -+ -+#if !defined(__DWC_CIL_H__) -+#define __DWC_CIL_H__ -+ -+#include "dwc_otg_plat.h" -+ -+#include "dwc_otg_regs.h" -+#ifdef DEBUG -+#include "linux/timer.h" -+#endif -+ -+/* the OTG capabilities. */ -+#define DWC_OTG_CAP_PARAM_HNP_SRP_CAPABLE 0 -+#define DWC_OTG_CAP_PARAM_SRP_ONLY_CAPABLE 1 -+#define DWC_OTG_CAP_PARAM_NO_HNP_SRP_CAPABLE 2 -+/* the maximum speed of operation in host and device mode. */ -+#define DWC_SPEED_PARAM_HIGH 0 -+#define DWC_SPEED_PARAM_FULL 1 -+/* the PHY clock rate in low power mode when connected to a -+ * Low Speed device in host mode. */ -+#define DWC_HOST_LS_LOW_POWER_PHY_CLK_PARAM_48MHZ 0 -+#define DWC_HOST_LS_LOW_POWER_PHY_CLK_PARAM_6MHZ 1 -+/* the type of PHY interface to use. */ -+#define DWC_PHY_TYPE_PARAM_FS 0 -+#define DWC_PHY_TYPE_PARAM_UTMI 1 -+#define DWC_PHY_TYPE_PARAM_ULPI 2 -+/* whether to use the internal or external supply to -+ * drive the vbus with a ULPI phy. */ -+#define DWC_PHY_ULPI_INTERNAL_VBUS 0 -+#define DWC_PHY_ULPI_EXTERNAL_VBUS 1 -+/* EP type. */ -+ -+/** -+ * @file -+ * This file contains the interface to the Core Interface Layer. -+ */ -+ -+/** -+ * The <code>dwc_ep</code> structure represents the state of a single -+ * endpoint when acting in device mode. It contains the data items -+ * needed for an endpoint to be activated and transfer packets. -+ */ -+typedef struct dwc_ep { -+ /** EP number used for register address lookup */ -+ uint8_t num; -+ /** EP direction 0 = OUT */ -+ unsigned is_in : 1; -+ /** EP active. */ -+ unsigned active : 1; -+ -+ /** Periodic Tx FIFO # for IN EPs For INTR EP set to 0 to use non-periodic Tx FIFO -+ If dedicated Tx FIFOs are enabled for all IN Eps - Tx FIFO # FOR IN EPs*/ -+ unsigned tx_fifo_num : 4; -+ /** EP type: 0 - Control, 1 - ISOC, 2 - BULK, 3 - INTR */ -+ unsigned type : 2; -+#define DWC_OTG_EP_TYPE_CONTROL 0 -+#define DWC_OTG_EP_TYPE_ISOC 1 -+#define DWC_OTG_EP_TYPE_BULK 2 -+#define DWC_OTG_EP_TYPE_INTR 3 -+ -+ /** DATA start PID for INTR and BULK EP */ -+ unsigned data_pid_start : 1; -+ /** Frame (even/odd) for ISOC EP */ -+ unsigned even_odd_frame : 1; -+ /** Max Packet bytes */ -+ unsigned maxpacket : 11; -+ -+ /** @name Transfer state */ -+ /** @{ */ -+ -+ /** -+ * Pointer to the beginning of the transfer buffer -- do not modify -+ * during transfer. -+ */ -+ -+ uint32_t dma_addr; -+ -+ uint8_t *start_xfer_buff; -+ /** pointer to the transfer buffer */ -+ uint8_t *xfer_buff; -+ /** Number of bytes to transfer */ -+ unsigned xfer_len : 19; -+ /** Number of bytes transferred. */ -+ unsigned xfer_count : 19; -+ /** Sent ZLP */ -+ unsigned sent_zlp : 1; -+ /** Total len for control transfer */ -+ unsigned total_len : 19; -+ -+ /** stall clear flag */ -+ unsigned stall_clear_flag : 1; -+ -+ /** @} */ -+} dwc_ep_t; -+ -+/* -+ * Reasons for halting a host channel. -+ */ -+typedef enum dwc_otg_halt_status { -+ DWC_OTG_HC_XFER_NO_HALT_STATUS, -+ DWC_OTG_HC_XFER_COMPLETE, -+ DWC_OTG_HC_XFER_URB_COMPLETE, -+ DWC_OTG_HC_XFER_ACK, -+ DWC_OTG_HC_XFER_NAK, -+ DWC_OTG_HC_XFER_NYET, -+ DWC_OTG_HC_XFER_STALL, -+ DWC_OTG_HC_XFER_XACT_ERR, -+ DWC_OTG_HC_XFER_FRAME_OVERRUN, -+ DWC_OTG_HC_XFER_BABBLE_ERR, -+ DWC_OTG_HC_XFER_DATA_TOGGLE_ERR, -+ DWC_OTG_HC_XFER_AHB_ERR, -+ DWC_OTG_HC_XFER_PERIODIC_INCOMPLETE, -+ DWC_OTG_HC_XFER_URB_DEQUEUE -+} dwc_otg_halt_status_e; -+ -+/** -+ * Host channel descriptor. This structure represents the state of a single -+ * host channel when acting in host mode. It contains the data items needed to -+ * transfer packets to an endpoint via a host channel. -+ */ -+typedef struct dwc_hc { -+ /** Host channel number used for register address lookup */ -+ uint8_t hc_num; -+ -+ /** Device to access */ -+ unsigned dev_addr : 7; -+ -+ /** EP to access */ -+ unsigned ep_num : 4; -+ -+ /** EP direction. 0: OUT, 1: IN */ -+ unsigned ep_is_in : 1; -+ -+ /** -+ * EP speed. -+ * One of the following values: -+ * - DWC_OTG_EP_SPEED_LOW -+ * - DWC_OTG_EP_SPEED_FULL -+ * - DWC_OTG_EP_SPEED_HIGH -+ */ -+ unsigned speed : 2; -+#define DWC_OTG_EP_SPEED_LOW 0 -+#define DWC_OTG_EP_SPEED_FULL 1 -+#define DWC_OTG_EP_SPEED_HIGH 2 -+ -+ /** -+ * Endpoint type. -+ * One of the following values: -+ * - DWC_OTG_EP_TYPE_CONTROL: 0 -+ * - DWC_OTG_EP_TYPE_ISOC: 1 -+ * - DWC_OTG_EP_TYPE_BULK: 2 -+ * - DWC_OTG_EP_TYPE_INTR: 3 -+ */ -+ unsigned ep_type : 2; -+ -+ /** Max packet size in bytes */ -+ unsigned max_packet : 11; -+ -+ /** -+ * PID for initial transaction. -+ * 0: DATA0,<br> -+ * 1: DATA2,<br> -+ * 2: DATA1,<br> -+ * 3: MDATA (non-Control EP), -+ * SETUP (Control EP) -+ */ -+ unsigned data_pid_start : 2; -+#define DWC_OTG_HC_PID_DATA0 0 -+#define DWC_OTG_HC_PID_DATA2 1 -+#define DWC_OTG_HC_PID_DATA1 2 -+#define DWC_OTG_HC_PID_MDATA 3 -+#define DWC_OTG_HC_PID_SETUP 3 -+ -+ /** Number of periodic transactions per (micro)frame */ -+ unsigned multi_count: 2; -+ -+ /** @name Transfer State */ -+ /** @{ */ -+ -+ /** Pointer to the current transfer buffer position. */ -+ uint8_t *xfer_buff; -+ /** Total number of bytes to transfer. */ -+ uint32_t xfer_len; -+ /** Number of bytes transferred so far. */ -+ uint32_t xfer_count; -+ /** Packet count at start of transfer.*/ -+ uint16_t start_pkt_count; -+ -+ /** -+ * Flag to indicate whether the transfer has been started. Set to 1 if -+ * it has been started, 0 otherwise. -+ */ -+ uint8_t xfer_started; -+ -+ /** -+ * Set to 1 to indicate that a PING request should be issued on this -+ * channel. If 0, process normally. -+ */ -+ uint8_t do_ping; -+ -+ /** -+ * Set to 1 to indicate that the error count for this transaction is -+ * non-zero. Set to 0 if the error count is 0. -+ */ -+ uint8_t error_state; -+ -+ /** -+ * Set to 1 to indicate that this channel should be halted the next -+ * time a request is queued for the channel. This is necessary in -+ * slave mode if no request queue space is available when an attempt -+ * is made to halt the channel. -+ */ -+ uint8_t halt_on_queue; -+ -+ /** -+ * Set to 1 if the host channel has been halted, but the core is not -+ * finished flushing queued requests. Otherwise 0. -+ */ -+ uint8_t halt_pending; -+ -+ /** -+ * Reason for halting the host channel. -+ */ -+ dwc_otg_halt_status_e halt_status; -+ -+ /* -+ * Split settings for the host channel -+ */ -+ uint8_t do_split; /**< Enable split for the channel */ -+ uint8_t complete_split; /**< Enable complete split */ -+ uint8_t hub_addr; /**< Address of high speed hub */ -+ -+ uint8_t port_addr; /**< Port of the low/full speed device */ -+ /** Split transaction position -+ * One of the following values: -+ * - DWC_HCSPLIT_XACTPOS_MID -+ * - DWC_HCSPLIT_XACTPOS_BEGIN -+ * - DWC_HCSPLIT_XACTPOS_END -+ * - DWC_HCSPLIT_XACTPOS_ALL */ -+ uint8_t xact_pos; -+ -+ /** Set when the host channel does a short read. */ -+ uint8_t short_read; -+ -+ /** -+ * Number of requests issued for this channel since it was assigned to -+ * the current transfer (not counting PINGs). -+ */ -+ uint8_t requests; -+ -+ /** -+ * Queue Head for the transfer being processed by this channel. -+ */ -+ struct dwc_otg_qh *qh; -+ -+ /** @} */ -+ -+ /** Entry in list of host channels. */ -+ struct list_head hc_list_entry; -+} dwc_hc_t; -+ -+/** -+ * The following parameters may be specified when starting the module. These -+ * parameters define how the DWC_otg controller should be configured. -+ * Parameter values are passed to the CIL initialization function -+ * dwc_otg_cil_init. -+ */ -+ -+typedef struct dwc_otg_core_params -+{ -+ int32_t opt; -+//#define dwc_param_opt_default 1 -+ /** -+ * Specifies the OTG capabilities. The driver will automatically -+ * detect the value for this parameter if none is specified. -+ * 0 - HNP and SRP capable (default) -+ * 1 - SRP Only capable -+ * 2 - No HNP/SRP capable -+ */ -+ int32_t otg_cap; -+#define DWC_OTG_CAP_PARAM_HNP_SRP_CAPABLE 0 -+#define DWC_OTG_CAP_PARAM_SRP_ONLY_CAPABLE 1 -+#define DWC_OTG_CAP_PARAM_NO_HNP_SRP_CAPABLE 2 -+//#define dwc_param_otg_cap_default DWC_OTG_CAP_PARAM_HNP_SRP_CAPABLE -+ /** -+ * Specifies whether to use slave or DMA mode for accessing the data -+ * FIFOs. The driver will automatically detect the value for this -+ * parameter if none is specified. -+ * 0 - Slave -+ * 1 - DMA (default, if available) -+ */ -+ int32_t dma_enable; -+//#define dwc_param_dma_enable_default 1 -+ /** The DMA Burst size (applicable only for External DMA -+ * Mode). 1, 4, 8 16, 32, 64, 128, 256 (default 32) -+ */ -+ int32_t dma_burst_size; /* Translate this to GAHBCFG values */ -+//#define dwc_param_dma_burst_size_default 32 -+ /** -+ * Specifies the maximum speed of operation in host and device mode. -+ * The actual speed depends on the speed of the attached device and -+ * the value of phy_type. The actual speed depends on the speed of the -+ * attached device. -+ * 0 - High Speed (default) -+ * 1 - Full Speed -+ */ -+ int32_t speed; -+//#define dwc_param_speed_default 0 -+#define DWC_SPEED_PARAM_HIGH 0 -+#define DWC_SPEED_PARAM_FULL 1 -+ -+ /** Specifies whether low power mode is supported when attached -+ * to a Full Speed or Low Speed device in host mode. -+ * 0 - Don't support low power mode (default) -+ * 1 - Support low power mode -+ */ -+ int32_t host_support_fs_ls_low_power; -+//#define dwc_param_host_support_fs_ls_low_power_default 0 -+ /** Specifies the PHY clock rate in low power mode when connected to a -+ * Low Speed device in host mode. This parameter is applicable only if -+ * HOST_SUPPORT_FS_LS_LOW_POWER is enabled. If PHY_TYPE is set to FS -+ * then defaults to 6 MHZ otherwise 48 MHZ. -+ * -+ * 0 - 48 MHz -+ * 1 - 6 MHz -+ */ -+ int32_t host_ls_low_power_phy_clk; -+//#define dwc_param_host_ls_low_power_phy_clk_default 0 -+#define DWC_HOST_LS_LOW_POWER_PHY_CLK_PARAM_48MHZ 0 -+#define DWC_HOST_LS_LOW_POWER_PHY_CLK_PARAM_6MHZ 1 -+ /** -+ * 0 - Use cC FIFO size parameters -+ * 1 - Allow dynamic FIFO sizing (default) -+ */ -+ int32_t enable_dynamic_fifo; -+//#define dwc_param_enable_dynamic_fifo_default 1 -+ /** Total number of 4-byte words in the data FIFO memory. This -+ * memory includes the Rx FIFO, non-periodic Tx FIFO, and periodic -+ * Tx FIFOs. -+ * 32 to 32768 (default 8192) -+ * Note: The total FIFO memory depth in the FPGA configuration is 8192. -+ */ -+ int32_t data_fifo_size; -+//#define dwc_param_data_fifo_size_default 8192 -+ /** Number of 4-byte words in the Rx FIFO in device mode when dynamic -+ * FIFO sizing is enabled. -+ * 16 to 32768 (default 1064) -+ */ -+ int32_t dev_rx_fifo_size; -+//#define dwc_param_dev_rx_fifo_size_default 1064 -+ /** Number of 4-byte words in the non-periodic Tx FIFO in device mode -+ * when dynamic FIFO sizing is enabled. -+ * 16 to 32768 (default 1024) -+ */ -+ int32_t dev_nperio_tx_fifo_size; -+//#define dwc_param_dev_nperio_tx_fifo_size_default 1024 -+ /** Number of 4-byte words in each of the periodic Tx FIFOs in device -+ * mode when dynamic FIFO sizing is enabled. -+ * 4 to 768 (default 256) -+ */ -+ uint32_t dev_perio_tx_fifo_size[MAX_PERIO_FIFOS]; -+//#define dwc_param_dev_perio_tx_fifo_size_default 256 -+ /** Number of 4-byte words in the Rx FIFO in host mode when dynamic -+ * FIFO sizing is enabled. -+ * 16 to 32768 (default 1024) -+ */ -+ int32_t host_rx_fifo_size; -+//#define dwc_param_host_rx_fifo_size_default 1024 -+ /** Number of 4-byte words in the non-periodic Tx FIFO in host mode -+ * when Dynamic FIFO sizing is enabled in the core. -+ * 16 to 32768 (default 1024) -+ */ -+ int32_t host_nperio_tx_fifo_size; -+//#define dwc_param_host_nperio_tx_fifo_size_default 1024 -+ /** Number of 4-byte words in the host periodic Tx FIFO when dynamic -+ * FIFO sizing is enabled. -+ * 16 to 32768 (default 1024) -+ */ -+ int32_t host_perio_tx_fifo_size; -+//#define dwc_param_host_perio_tx_fifo_size_default 1024 -+ /** The maximum transfer size supported in bytes. -+ * 2047 to 65,535 (default 65,535) -+ */ -+ int32_t max_transfer_size; -+//#define dwc_param_max_transfer_size_default 65535 -+ /** The maximum number of packets in a transfer. -+ * 15 to 511 (default 511) -+ */ -+ int32_t max_packet_count; -+//#define dwc_param_max_packet_count_default 511 -+ /** The number of host channel registers to use. -+ * 1 to 16 (default 12) -+ * Note: The FPGA configuration supports a maximum of 12 host channels. -+ */ -+ int32_t host_channels; -+//#define dwc_param_host_channels_default 12 -+ /** The number of endpoints in addition to EP0 available for device -+ * mode operations. -+ * 1 to 15 (default 6 IN and OUT) -+ * Note: The FPGA configuration supports a maximum of 6 IN and OUT -+ * endpoints in addition to EP0. -+ */ -+ int32_t dev_endpoints; -+//#define dwc_param_dev_endpoints_default 6 -+ /** -+ * Specifies the type of PHY interface to use. By default, the driver -+ * will automatically detect the phy_type. -+ * -+ * 0 - Full Speed PHY -+ * 1 - UTMI+ (default) -+ * 2 - ULPI -+ */ -+ int32_t phy_type; -+#define DWC_PHY_TYPE_PARAM_FS 0 -+#define DWC_PHY_TYPE_PARAM_UTMI 1 -+#define DWC_PHY_TYPE_PARAM_ULPI 2 -+//#define dwc_param_phy_type_default DWC_PHY_TYPE_PARAM_UTMI -+ /** -+ * Specifies the UTMI+ Data Width. This parameter is -+ * applicable for a PHY_TYPE of UTMI+ or ULPI. (For a ULPI -+ * PHY_TYPE, this parameter indicates the data width between -+ * the MAC and the ULPI Wrapper.) Also, this parameter is -+ * applicable only if the OTG_HSPHY_WIDTH cC parameter was set -+ * to "8 and 16 bits", meaning that the core has been -+ * configured to work at either data path width. -+ * -+ * 8 or 16 bits (default 16) -+ */ -+ int32_t phy_utmi_width; -+//#define dwc_param_phy_utmi_width_default 16 -+ /** -+ * Specifies whether the ULPI operates at double or single -+ * data rate. This parameter is only applicable if PHY_TYPE is -+ * ULPI. -+ * -+ * 0 - single data rate ULPI interface with 8 bit wide data -+ * bus (default) -+ * 1 - double data rate ULPI interface with 4 bit wide data -+ * bus -+ */ -+ int32_t phy_ulpi_ddr; -+//#define dwc_param_phy_ulpi_ddr_default 0 -+ /** -+ * Specifies whether to use the internal or external supply to -+ * drive the vbus with a ULPI phy. -+ */ -+ int32_t phy_ulpi_ext_vbus; -+#define DWC_PHY_ULPI_INTERNAL_VBUS 0 -+#define DWC_PHY_ULPI_EXTERNAL_VBUS 1 -+//#define dwc_param_phy_ulpi_ext_vbus_default DWC_PHY_ULPI_INTERNAL_VBUS -+ /** -+ * Specifies whether to use the I2Cinterface for full speed PHY. This -+ * parameter is only applicable if PHY_TYPE is FS. -+ * 0 - No (default) -+ * 1 - Yes -+ */ -+ int32_t i2c_enable; -+//#define dwc_param_i2c_enable_default 0 -+ -+ int32_t ulpi_fs_ls; -+//#define dwc_param_ulpi_fs_ls_default 0 -+ -+ int32_t ts_dline; -+//#define dwc_param_ts_dline_default 0 -+ -+ /** -+ * Specifies whether dedicated transmit FIFOs are -+ * enabled for non periodic IN endpoints in device mode -+ * 0 - No -+ * 1 - Yes -+ */ -+ int32_t en_multiple_tx_fifo; -+#define dwc_param_en_multiple_tx_fifo_default 1 -+ -+ /** Number of 4-byte words in each of the Tx FIFOs in device -+ * mode when dynamic FIFO sizing is enabled. -+ * 4 to 768 (default 256) -+ */ -+ uint32_t dev_tx_fifo_size[MAX_TX_FIFOS]; -+#define dwc_param_dev_tx_fifo_size_default 256 -+ -+ /** Thresholding enable flag- -+ * bit 0 - enable non-ISO Tx thresholding -+ * bit 1 - enable ISO Tx thresholding -+ * bit 2 - enable Rx thresholding -+ */ -+ uint32_t thr_ctl; -+#define dwc_param_thr_ctl_default 0 -+ -+ /** Thresholding length for Tx -+ * FIFOs in 32 bit DWORDs -+ */ -+ uint32_t tx_thr_length; -+#define dwc_param_tx_thr_length_default 64 -+ -+ /** Thresholding length for Rx -+ * FIFOs in 32 bit DWORDs -+ */ -+ uint32_t rx_thr_length; -+#define dwc_param_rx_thr_length_default 64 -+} dwc_otg_core_params_t; -+ -+#ifdef DEBUG -+struct dwc_otg_core_if; -+typedef struct hc_xfer_info -+{ -+ struct dwc_otg_core_if *core_if; -+ dwc_hc_t *hc; -+} hc_xfer_info_t; -+#endif -+ -+/** -+ * The <code>dwc_otg_core_if</code> structure contains information needed to manage -+ * the DWC_otg controller acting in either host or device mode. It -+ * represents the programming view of the controller as a whole. -+ */ -+typedef struct dwc_otg_core_if -+{ -+ /** Parameters that define how the core should be configured.*/ -+ dwc_otg_core_params_t *core_params; -+ -+ /** Core Global registers starting at offset 000h. */ -+ dwc_otg_core_global_regs_t *core_global_regs; -+ -+ /** Device-specific information */ -+ dwc_otg_dev_if_t *dev_if; -+ /** Host-specific information */ -+ dwc_otg_host_if_t *host_if; -+ -+ /* -+ * Set to 1 if the core PHY interface bits in USBCFG have been -+ * initialized. -+ */ -+ uint8_t phy_init_done; -+ -+ /* -+ * SRP Success flag, set by srp success interrupt in FS I2C mode -+ */ -+ uint8_t srp_success; -+ uint8_t srp_timer_started; -+ -+ /* Common configuration information */ -+ /** Power and Clock Gating Control Register */ -+ volatile uint32_t *pcgcctl; -+#define DWC_OTG_PCGCCTL_OFFSET 0xE00 -+ -+ /** Push/pop addresses for endpoints or host channels.*/ -+ uint32_t *data_fifo[MAX_EPS_CHANNELS]; -+#define DWC_OTG_DATA_FIFO_OFFSET 0x1000 -+#define DWC_OTG_DATA_FIFO_SIZE 0x1000 -+ -+ /** Total RAM for FIFOs (Bytes) */ -+ uint16_t total_fifo_size; -+ /** Size of Rx FIFO (Bytes) */ -+ uint16_t rx_fifo_size; -+ /** Size of Non-periodic Tx FIFO (Bytes) */ -+ uint16_t nperio_tx_fifo_size; -+ -+ /** 1 if DMA is enabled, 0 otherwise. */ -+ uint8_t dma_enable; -+ -+ /** 1 if dedicated Tx FIFOs are enabled, 0 otherwise. */ -+ uint8_t en_multiple_tx_fifo; -+ -+ /** Set to 1 if multiple packets of a high-bandwidth transfer is in -+ * process of being queued */ -+ uint8_t queuing_high_bandwidth; -+ -+ /** Hardware Configuration -- stored here for convenience.*/ -+ hwcfg1_data_t hwcfg1; -+ hwcfg2_data_t hwcfg2; -+ hwcfg3_data_t hwcfg3; -+ hwcfg4_data_t hwcfg4; -+ -+ /** The operational State, during transations -+ * (a_host>>a_peripherial and b_device=>b_host) this may not -+ * match the core but allows the software to determine -+ * transitions. -+ */ -+ uint8_t op_state; -+ -+ /** -+ * Set to 1 if the HCD needs to be restarted on a session request -+ * interrupt. This is required if no connector ID status change has -+ * occurred since the HCD was last disconnected. -+ */ -+ uint8_t restart_hcd_on_session_req; -+ -+ /** HCD callbacks */ -+ /** A-Device is a_host */ -+#define A_HOST (1) -+ /** A-Device is a_suspend */ -+#define A_SUSPEND (2) -+ /** A-Device is a_peripherial */ -+#define A_PERIPHERAL (3) -+ /** B-Device is operating as a Peripheral. */ -+#define B_PERIPHERAL (4) -+ /** B-Device is operating as a Host. */ -+#define B_HOST (5) -+ -+ /** HCD callbacks */ -+ struct dwc_otg_cil_callbacks *hcd_cb; -+ /** PCD callbacks */ -+ struct dwc_otg_cil_callbacks *pcd_cb; -+ -+ /** Device mode Periodic Tx FIFO Mask */ -+ uint32_t p_tx_msk; -+ /** Device mode Periodic Tx FIFO Mask */ -+ uint32_t tx_msk; -+ -+#ifdef DEBUG -+ uint32_t start_hcchar_val[MAX_EPS_CHANNELS]; -+ -+ hc_xfer_info_t hc_xfer_info[MAX_EPS_CHANNELS]; -+ struct timer_list hc_xfer_timer[MAX_EPS_CHANNELS]; -+ -+#if 1 // winder -+ uint32_t hfnum_7_samples; -+ uint32_t hfnum_7_frrem_accum; -+ uint32_t hfnum_0_samples; -+ uint32_t hfnum_0_frrem_accum; -+ uint32_t hfnum_other_samples; -+ uint32_t hfnum_other_frrem_accum; -+#else -+ uint32_t hfnum_7_samples; -+ uint64_t hfnum_7_frrem_accum; -+ uint32_t hfnum_0_samples; -+ uint64_t hfnum_0_frrem_accum; -+ uint32_t hfnum_other_samples; -+ uint64_t hfnum_other_frrem_accum; -+#endif -+ resource_size_t phys_addr; /* Added to support PLB DMA : phys-virt mapping */ -+#endif -+ -+} dwc_otg_core_if_t; -+ -+/* -+ * The following functions support initialization of the CIL driver component -+ * and the DWC_otg controller. -+ */ -+extern dwc_otg_core_if_t *dwc_otg_cil_init(const uint32_t *_reg_base_addr, -+ dwc_otg_core_params_t *_core_params); -+extern void dwc_otg_cil_remove(dwc_otg_core_if_t *_core_if); -+extern void dwc_otg_core_init(dwc_otg_core_if_t *_core_if); -+extern void dwc_otg_core_host_init(dwc_otg_core_if_t *_core_if); -+extern void dwc_otg_core_dev_init(dwc_otg_core_if_t *_core_if); -+extern void dwc_otg_enable_global_interrupts( dwc_otg_core_if_t *_core_if ); -+extern void dwc_otg_disable_global_interrupts( dwc_otg_core_if_t *_core_if ); -+ -+/** @name Device CIL Functions -+ * The following functions support managing the DWC_otg controller in device -+ * mode. -+ */ -+/**@{*/ -+extern void dwc_otg_wakeup(dwc_otg_core_if_t *_core_if); -+extern void dwc_otg_read_setup_packet (dwc_otg_core_if_t *_core_if, uint32_t *_dest); -+extern uint32_t dwc_otg_get_frame_number(dwc_otg_core_if_t *_core_if); -+extern void dwc_otg_ep0_activate(dwc_otg_core_if_t *_core_if, dwc_ep_t *_ep); -+extern void dwc_otg_ep_activate(dwc_otg_core_if_t *_core_if, dwc_ep_t *_ep); -+extern void dwc_otg_ep_deactivate(dwc_otg_core_if_t *_core_if, dwc_ep_t *_ep); -+extern void dwc_otg_ep_start_transfer(dwc_otg_core_if_t *_core_if, dwc_ep_t *_ep); -+extern void dwc_otg_ep0_start_transfer(dwc_otg_core_if_t *_core_if, dwc_ep_t *_ep); -+extern void dwc_otg_ep0_continue_transfer(dwc_otg_core_if_t *_core_if, dwc_ep_t *_ep); -+extern void dwc_otg_ep_write_packet(dwc_otg_core_if_t *_core_if, dwc_ep_t *_ep, int _dma); -+extern void dwc_otg_ep_set_stall(dwc_otg_core_if_t *_core_if, dwc_ep_t *_ep); -+extern void dwc_otg_ep_clear_stall(dwc_otg_core_if_t *_core_if, dwc_ep_t *_ep); -+extern void dwc_otg_enable_device_interrupts(dwc_otg_core_if_t *_core_if); -+extern void dwc_otg_dump_dev_registers(dwc_otg_core_if_t *_core_if); -+/**@}*/ -+ -+/** @name Host CIL Functions -+ * The following functions support managing the DWC_otg controller in host -+ * mode. -+ */ -+/**@{*/ -+extern void dwc_otg_hc_init(dwc_otg_core_if_t *_core_if, dwc_hc_t *_hc); -+extern void dwc_otg_hc_halt(dwc_otg_core_if_t *_core_if, -+ dwc_hc_t *_hc, -+ dwc_otg_halt_status_e _halt_status); -+extern void dwc_otg_hc_cleanup(dwc_otg_core_if_t *_core_if, dwc_hc_t *_hc); -+extern void dwc_otg_hc_start_transfer(dwc_otg_core_if_t *_core_if, dwc_hc_t *_hc); -+extern int dwc_otg_hc_continue_transfer(dwc_otg_core_if_t *_core_if, dwc_hc_t *_hc); -+extern void dwc_otg_hc_do_ping(dwc_otg_core_if_t *_core_if, dwc_hc_t *_hc); -+extern void dwc_otg_hc_write_packet(dwc_otg_core_if_t *_core_if, dwc_hc_t *_hc); -+extern void dwc_otg_enable_host_interrupts(dwc_otg_core_if_t *_core_if); -+extern void dwc_otg_disable_host_interrupts(dwc_otg_core_if_t *_core_if); -+ -+/** -+ * This function Reads HPRT0 in preparation to modify. It keeps the -+ * WC bits 0 so that if they are read as 1, they won't clear when you -+ * write it back -+ */ -+static inline uint32_t dwc_otg_read_hprt0(dwc_otg_core_if_t *_core_if) -+{ -+ hprt0_data_t hprt0; -+ hprt0.d32 = dwc_read_reg32(_core_if->host_if->hprt0); -+ hprt0.b.prtena = 0; -+ hprt0.b.prtconndet = 0; -+ hprt0.b.prtenchng = 0; -+ hprt0.b.prtovrcurrchng = 0; -+ return hprt0.d32; -+} -+ -+extern void dwc_otg_dump_host_registers(dwc_otg_core_if_t *_core_if); -+/**@}*/ -+ -+/** @name Common CIL Functions -+ * The following functions support managing the DWC_otg controller in either -+ * device or host mode. -+ */ -+/**@{*/ -+ -+extern void dwc_otg_read_packet(dwc_otg_core_if_t *core_if, -+ uint8_t *dest, -+ uint16_t bytes); -+ -+extern void dwc_otg_dump_global_registers(dwc_otg_core_if_t *_core_if); -+ -+extern void dwc_otg_flush_tx_fifo( dwc_otg_core_if_t *_core_if, -+ const int _num ); -+extern void dwc_otg_flush_rx_fifo( dwc_otg_core_if_t *_core_if ); -+extern void dwc_otg_core_reset( dwc_otg_core_if_t *_core_if ); -+ -+#define NP_TXFIFO_EMPTY -1 -+#define MAX_NP_TXREQUEST_Q_SLOTS 8 -+/** -+ * This function returns the endpoint number of the request at -+ * the top of non-periodic TX FIFO, or -1 if the request FIFO is -+ * empty. -+ */ -+static inline int dwc_otg_top_nptxfifo_epnum(dwc_otg_core_if_t *_core_if) { -+ gnptxsts_data_t txstatus = {.d32 = 0}; -+ -+ txstatus.d32 = dwc_read_reg32(&_core_if->core_global_regs->gnptxsts); -+ return (txstatus.b.nptxqspcavail == MAX_NP_TXREQUEST_Q_SLOTS ? -+ -1 : txstatus.b.nptxqtop_chnep); -+} -+/** -+ * This function returns the Core Interrupt register. -+ */ -+static inline uint32_t dwc_otg_read_core_intr(dwc_otg_core_if_t *_core_if) { -+ return (dwc_read_reg32(&_core_if->core_global_regs->gintsts) & -+ dwc_read_reg32(&_core_if->core_global_regs->gintmsk)); -+} -+ -+/** -+ * This function returns the OTG Interrupt register. -+ */ -+static inline uint32_t dwc_otg_read_otg_intr (dwc_otg_core_if_t *_core_if) { -+ return (dwc_read_reg32 (&_core_if->core_global_regs->gotgint)); -+} -+ -+/** -+ * This function reads the Device All Endpoints Interrupt register and -+ * returns the IN endpoint interrupt bits. -+ */ -+static inline uint32_t dwc_otg_read_dev_all_in_ep_intr(dwc_otg_core_if_t *_core_if) { -+ uint32_t v; -+ v = dwc_read_reg32(&_core_if->dev_if->dev_global_regs->daint) & -+ dwc_read_reg32(&_core_if->dev_if->dev_global_regs->daintmsk); -+ return (v & 0xffff); -+ -+} -+ -+/** -+ * This function reads the Device All Endpoints Interrupt register and -+ * returns the OUT endpoint interrupt bits. -+ */ -+static inline uint32_t dwc_otg_read_dev_all_out_ep_intr(dwc_otg_core_if_t *_core_if) { -+ uint32_t v; -+ v = dwc_read_reg32(&_core_if->dev_if->dev_global_regs->daint) & -+ dwc_read_reg32(&_core_if->dev_if->dev_global_regs->daintmsk); -+ return ((v & 0xffff0000) >> 16); -+} -+ -+/** -+ * This function returns the Device IN EP Interrupt register -+ */ -+static inline uint32_t dwc_otg_read_dev_in_ep_intr(dwc_otg_core_if_t *_core_if, -+ dwc_ep_t *_ep) -+{ -+ dwc_otg_dev_if_t *dev_if = _core_if->dev_if; -+ uint32_t v, msk, emp; -+ msk = dwc_read_reg32(&dev_if->dev_global_regs->diepmsk); -+ emp = dwc_read_reg32(&dev_if->dev_global_regs->dtknqr4_fifoemptymsk); -+ msk |= ((emp >> _ep->num) & 0x1) << 7; -+ v = dwc_read_reg32(&dev_if->in_ep_regs[_ep->num]->diepint) & msk; -+/* -+ dwc_otg_dev_if_t *dev_if = _core_if->dev_if; -+ uint32_t v; -+ v = dwc_read_reg32(&dev_if->in_ep_regs[_ep->num]->diepint) & -+ dwc_read_reg32(&dev_if->dev_global_regs->diepmsk); -+*/ -+ return v; -+} -+/** -+ * This function returns the Device OUT EP Interrupt register -+ */ -+static inline uint32_t dwc_otg_read_dev_out_ep_intr(dwc_otg_core_if_t *_core_if, -+ dwc_ep_t *_ep) -+{ -+ dwc_otg_dev_if_t *dev_if = _core_if->dev_if; -+ uint32_t v; -+ v = dwc_read_reg32( &dev_if->out_ep_regs[_ep->num]->doepint) & -+ dwc_read_reg32(&dev_if->dev_global_regs->doepmsk); -+ return v; -+} -+ -+/** -+ * This function returns the Host All Channel Interrupt register -+ */ -+static inline uint32_t dwc_otg_read_host_all_channels_intr (dwc_otg_core_if_t *_core_if) -+{ -+ return (dwc_read_reg32 (&_core_if->host_if->host_global_regs->haint)); -+} -+ -+static inline uint32_t dwc_otg_read_host_channel_intr (dwc_otg_core_if_t *_core_if, dwc_hc_t *_hc) -+{ -+ return (dwc_read_reg32 (&_core_if->host_if->hc_regs[_hc->hc_num]->hcint)); -+} -+ -+ -+/** -+ * This function returns the mode of the operation, host or device. -+ * -+ * @return 0 - Device Mode, 1 - Host Mode -+ */ -+static inline uint32_t dwc_otg_mode(dwc_otg_core_if_t *_core_if) { -+ return (dwc_read_reg32( &_core_if->core_global_regs->gintsts ) & 0x1); -+} -+ -+static inline uint8_t dwc_otg_is_device_mode(dwc_otg_core_if_t *_core_if) -+{ -+ return (dwc_otg_mode(_core_if) != DWC_HOST_MODE); -+} -+static inline uint8_t dwc_otg_is_host_mode(dwc_otg_core_if_t *_core_if) -+{ -+ return (dwc_otg_mode(_core_if) == DWC_HOST_MODE); -+} -+ -+extern int32_t dwc_otg_handle_common_intr( dwc_otg_core_if_t *_core_if ); -+ -+ -+/**@}*/ -+ -+/** -+ * DWC_otg CIL callback structure. This structure allows the HCD and -+ * PCD to register functions used for starting and stopping the PCD -+ * and HCD for role change on for a DRD. -+ */ -+typedef struct dwc_otg_cil_callbacks -+{ -+ /** Start function for role change */ -+ int (*start) (void *_p); -+ /** Stop Function for role change */ -+ int (*stop) (void *_p); -+ /** Disconnect Function for role change */ -+ int (*disconnect) (void *_p); -+ /** Resume/Remote wakeup Function */ -+ int (*resume_wakeup) (void *_p); -+ /** Suspend function */ -+ int (*suspend) (void *_p); -+ /** Session Start (SRP) */ -+ int (*session_start) (void *_p); -+ /** Pointer passed to start() and stop() */ -+ void *p; -+} dwc_otg_cil_callbacks_t; -+ -+ -+ -+extern void dwc_otg_cil_register_pcd_callbacks( dwc_otg_core_if_t *_core_if, -+ dwc_otg_cil_callbacks_t *_cb, -+ void *_p); -+extern void dwc_otg_cil_register_hcd_callbacks( dwc_otg_core_if_t *_core_if, -+ dwc_otg_cil_callbacks_t *_cb, -+ void *_p); -+ -+ -+#endif ---- /dev/null -+++ b/drivers/usb/dwc_otg/dwc_otg_cil_ifx.h -@@ -0,0 +1,58 @@ -+/****************************************************************************** -+** -+** FILE NAME : dwc_otg_cil_ifx.h -+** PROJECT : Twinpass/Danube -+** MODULES : DWC OTG USB -+** -+** DATE : 07 Sep. 2007 -+** AUTHOR : Sung Winder -+** DESCRIPTION : Default param value. -+** COPYRIGHT : Copyright (c) 2007 -+** Infineon Technologies AG -+** 2F, No.2, Li-Hsin Rd., Hsinchu Science Park, -+** Hsin-chu City, 300 Taiwan. -+** -+** This program is free software; you can redistribute it and/or modify -+** it under the terms of the GNU General Public License as published by -+** the Free Software Foundation; either version 2 of the License, or -+** (at your option) any later version. -+** -+** HISTORY -+** $Date $Author $Comment -+** 12 April 2007 Sung Winder Initiate Version -+*******************************************************************************/ -+#if !defined(__DWC_OTG_CIL_IFX_H__) -+#define __DWC_OTG_CIL_IFX_H__ -+ -+/* ================ Default param value ================== */ -+#define dwc_param_opt_default 1 -+#define dwc_param_otg_cap_default DWC_OTG_CAP_PARAM_NO_HNP_SRP_CAPABLE -+#define dwc_param_dma_enable_default 1 -+#define dwc_param_dma_burst_size_default 32 -+#define dwc_param_speed_default DWC_SPEED_PARAM_HIGH -+#define dwc_param_host_support_fs_ls_low_power_default 0 -+#define dwc_param_host_ls_low_power_phy_clk_default DWC_HOST_LS_LOW_POWER_PHY_CLK_PARAM_48MHZ -+#define dwc_param_enable_dynamic_fifo_default 1 -+#define dwc_param_data_fifo_size_default 2048 -+#define dwc_param_dev_rx_fifo_size_default 1024 -+#define dwc_param_dev_nperio_tx_fifo_size_default 1024 -+#define dwc_param_dev_perio_tx_fifo_size_default 768 -+#define dwc_param_host_rx_fifo_size_default 640 -+#define dwc_param_host_nperio_tx_fifo_size_default 640 -+#define dwc_param_host_perio_tx_fifo_size_default 768 -+#define dwc_param_max_transfer_size_default 65535 -+#define dwc_param_max_packet_count_default 511 -+#define dwc_param_host_channels_default 16 -+#define dwc_param_dev_endpoints_default 6 -+#define dwc_param_phy_type_default DWC_PHY_TYPE_PARAM_UTMI -+#define dwc_param_phy_utmi_width_default 16 -+#define dwc_param_phy_ulpi_ddr_default 0 -+#define dwc_param_phy_ulpi_ext_vbus_default DWC_PHY_ULPI_INTERNAL_VBUS -+#define dwc_param_i2c_enable_default 0 -+#define dwc_param_ulpi_fs_ls_default 0 -+#define dwc_param_ts_dline_default 0 -+ -+/* ======================================================= */ -+ -+#endif // __DWC_OTG_CIL_IFX_H__ -+ ---- /dev/null -+++ b/drivers/usb/dwc_otg/dwc_otg_cil_intr.c -@@ -0,0 +1,708 @@ -+/* ========================================================================== -+ * $File: //dwh/usb_iip/dev/software/otg_ipmate/linux/drivers/dwc_otg_cil_intr.c $ -+ * $Revision: 1.1.1.1 $ -+ * $Date: 2009-04-17 06:15:34 $ -+ * $Change: 553126 $ -+ * -+ * Synopsys HS OTG Linux Software Driver and documentation (hereinafter, -+ * "Software") is an Unsupported proprietary work of Synopsys, Inc. unless -+ * otherwise expressly agreed to in writing between Synopsys and you. -+ * -+ * The Software IS NOT an item of Licensed Software or Licensed Product under -+ * any End User Software License Agreement or Agreement for Licensed Product -+ * with Synopsys or any supplement thereto. You are permitted to use and -+ * redistribute this Software in source and binary forms, with or without -+ * modification, provided that redistributions of source code must retain this -+ * notice. You may not view, use, disclose, copy or distribute this file or -+ * any information contained herein except pursuant to this license grant from -+ * Synopsys. If you do not agree with this notice, including the disclaimer -+ * below, then you are not authorized to use the Software. -+ * -+ * THIS SOFTWARE IS BEING DISTRIBUTED BY SYNOPSYS SOLELY ON AN "AS IS" BASIS -+ * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE -+ * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE -+ * ARE HEREBY DISCLAIMED. IN NO EVENT SHALL SYNOPSYS BE LIABLE FOR ANY DIRECT, -+ * INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES -+ * (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR -+ * SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER -+ * CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT -+ * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY -+ * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH -+ * DAMAGE. -+ * ========================================================================== */ -+ -+/** @file -+ * -+ * The Core Interface Layer provides basic services for accessing and -+ * managing the DWC_otg hardware. These services are used by both the -+ * Host Controller Driver and the Peripheral Controller Driver. -+ * -+ * This file contains the Common Interrupt handlers. -+ */ -+#include "dwc_otg_plat.h" -+#include "dwc_otg_regs.h" -+#include "dwc_otg_cil.h" -+ -+#ifdef DEBUG -+inline const char *op_state_str( dwc_otg_core_if_t *_core_if ) -+{ -+ return (_core_if->op_state==A_HOST?"a_host": -+ (_core_if->op_state==A_SUSPEND?"a_suspend": -+ (_core_if->op_state==A_PERIPHERAL?"a_peripheral": -+ (_core_if->op_state==B_PERIPHERAL?"b_peripheral": -+ (_core_if->op_state==B_HOST?"b_host": -+ "unknown"))))); -+} -+#endif -+ -+/** This function will log a debug message -+ * -+ * @param _core_if Programming view of DWC_otg controller. -+ */ -+int32_t dwc_otg_handle_mode_mismatch_intr (dwc_otg_core_if_t *_core_if) -+{ -+ gintsts_data_t gintsts; -+ DWC_WARN("Mode Mismatch Interrupt: currently in %s mode\n", -+ dwc_otg_mode(_core_if) ? "Host" : "Device"); -+ -+ /* Clear interrupt */ -+ gintsts.d32 = 0; -+ gintsts.b.modemismatch = 1; -+ dwc_write_reg32 (&_core_if->core_global_regs->gintsts, gintsts.d32); -+ return 1; -+} -+ -+/** Start the HCD. Helper function for using the HCD callbacks. -+ * -+ * @param _core_if Programming view of DWC_otg controller. -+ */ -+static inline void hcd_start( dwc_otg_core_if_t *_core_if ) -+{ -+ if (_core_if->hcd_cb && _core_if->hcd_cb->start) { -+ _core_if->hcd_cb->start( _core_if->hcd_cb->p ); -+ } -+} -+/** Stop the HCD. Helper function for using the HCD callbacks. -+ * -+ * @param _core_if Programming view of DWC_otg controller. -+ */ -+static inline void hcd_stop( dwc_otg_core_if_t *_core_if ) -+{ -+ if (_core_if->hcd_cb && _core_if->hcd_cb->stop) { -+ _core_if->hcd_cb->stop( _core_if->hcd_cb->p ); -+ } -+} -+/** Disconnect the HCD. Helper function for using the HCD callbacks. -+ * -+ * @param _core_if Programming view of DWC_otg controller. -+ */ -+static inline void hcd_disconnect( dwc_otg_core_if_t *_core_if ) -+{ -+ if (_core_if->hcd_cb && _core_if->hcd_cb->disconnect) { -+ _core_if->hcd_cb->disconnect( _core_if->hcd_cb->p ); -+ } -+} -+/** Inform the HCD the a New Session has begun. Helper function for -+ * using the HCD callbacks. -+ * -+ * @param _core_if Programming view of DWC_otg controller. -+ */ -+static inline void hcd_session_start( dwc_otg_core_if_t *_core_if ) -+{ -+ if (_core_if->hcd_cb && _core_if->hcd_cb->session_start) { -+ _core_if->hcd_cb->session_start( _core_if->hcd_cb->p ); -+ } -+} -+ -+/** Start the PCD. Helper function for using the PCD callbacks. -+ * -+ * @param _core_if Programming view of DWC_otg controller. -+ */ -+static inline void pcd_start( dwc_otg_core_if_t *_core_if ) -+{ -+ if (_core_if->pcd_cb && _core_if->pcd_cb->start ) { -+ _core_if->pcd_cb->start( _core_if->pcd_cb->p ); -+ } -+} -+/** Stop the PCD. Helper function for using the PCD callbacks. -+ * -+ * @param _core_if Programming view of DWC_otg controller. -+ */ -+static inline void pcd_stop( dwc_otg_core_if_t *_core_if ) -+{ -+ if (_core_if->pcd_cb && _core_if->pcd_cb->stop ) { -+ _core_if->pcd_cb->stop( _core_if->pcd_cb->p ); -+ } -+} -+/** Suspend the PCD. Helper function for using the PCD callbacks. -+ * -+ * @param _core_if Programming view of DWC_otg controller. -+ */ -+static inline void pcd_suspend( dwc_otg_core_if_t *_core_if ) -+{ -+ if (_core_if->pcd_cb && _core_if->pcd_cb->suspend ) { -+ _core_if->pcd_cb->suspend( _core_if->pcd_cb->p ); -+ } -+} -+/** Resume the PCD. Helper function for using the PCD callbacks. -+ * -+ * @param _core_if Programming view of DWC_otg controller. -+ */ -+static inline void pcd_resume( dwc_otg_core_if_t *_core_if ) -+{ -+ if (_core_if->pcd_cb && _core_if->pcd_cb->resume_wakeup ) { -+ _core_if->pcd_cb->resume_wakeup( _core_if->pcd_cb->p ); -+ } -+} -+ -+/** -+ * This function handles the OTG Interrupts. It reads the OTG -+ * Interrupt Register (GOTGINT) to determine what interrupt has -+ * occurred. -+ * -+ * @param _core_if Programming view of DWC_otg controller. -+ */ -+int32_t dwc_otg_handle_otg_intr(dwc_otg_core_if_t *_core_if) -+{ -+ dwc_otg_core_global_regs_t *global_regs = -+ _core_if->core_global_regs; -+ gotgint_data_t gotgint; -+ gotgctl_data_t gotgctl; -+ gintmsk_data_t gintmsk; -+ -+ gotgint.d32 = dwc_read_reg32( &global_regs->gotgint); -+ gotgctl.d32 = dwc_read_reg32( &global_regs->gotgctl); -+ DWC_DEBUGPL(DBG_CIL, "++OTG Interrupt gotgint=%0x [%s]\n", gotgint.d32, -+ op_state_str(_core_if)); -+ //DWC_DEBUGPL(DBG_CIL, "gotgctl=%08x\n", gotgctl.d32 ); -+ -+ if (gotgint.b.sesenddet) { -+ DWC_DEBUGPL(DBG_ANY, " ++OTG Interrupt: " -+ "Session End Detected++ (%s)\n", -+ op_state_str(_core_if)); -+ gotgctl.d32 = dwc_read_reg32( &global_regs->gotgctl); -+ -+ if (_core_if->op_state == B_HOST) { -+ pcd_start( _core_if ); -+ _core_if->op_state = B_PERIPHERAL; -+ } else { -+ /* If not B_HOST and Device HNP still set. HNP -+ * Did not succeed!*/ -+ if (gotgctl.b.devhnpen) { -+ DWC_DEBUGPL(DBG_ANY, "Session End Detected\n"); -+ DWC_ERROR( "Device Not Connected/Responding!\n" ); -+ } -+ -+ /* If Session End Detected the B-Cable has -+ * been disconnected. */ -+ /* Reset PCD and Gadget driver to a -+ * clean state. */ -+ pcd_stop(_core_if); -+ } -+ gotgctl.d32 = 0; -+ gotgctl.b.devhnpen = 1; -+ dwc_modify_reg32( &global_regs->gotgctl, -+ gotgctl.d32, 0); -+ } -+ if (gotgint.b.sesreqsucstschng) { -+ DWC_DEBUGPL(DBG_ANY, " ++OTG Interrupt: " -+ "Session Reqeust Success Status Change++\n"); -+ gotgctl.d32 = dwc_read_reg32( &global_regs->gotgctl); -+ if (gotgctl.b.sesreqscs) { -+ if ((_core_if->core_params->phy_type == DWC_PHY_TYPE_PARAM_FS) && -+ (_core_if->core_params->i2c_enable)) { -+ _core_if->srp_success = 1; -+ } -+ else { -+ pcd_resume( _core_if ); -+ /* Clear Session Request */ -+ gotgctl.d32 = 0; -+ gotgctl.b.sesreq = 1; -+ dwc_modify_reg32( &global_regs->gotgctl, -+ gotgctl.d32, 0); -+ } -+ } -+ } -+ if (gotgint.b.hstnegsucstschng) { -+ /* Print statements during the HNP interrupt handling -+ * can cause it to fail.*/ -+ gotgctl.d32 = dwc_read_reg32(&global_regs->gotgctl); -+ if (gotgctl.b.hstnegscs) { -+ if (dwc_otg_is_host_mode(_core_if) ) { -+ _core_if->op_state = B_HOST; -+ /* -+ * Need to disable SOF interrupt immediately. -+ * When switching from device to host, the PCD -+ * interrupt handler won't handle the -+ * interrupt if host mode is already set. The -+ * HCD interrupt handler won't get called if -+ * the HCD state is HALT. This means that the -+ * interrupt does not get handled and Linux -+ * complains loudly. -+ */ -+ gintmsk.d32 = 0; -+ gintmsk.b.sofintr = 1; -+ dwc_modify_reg32(&global_regs->gintmsk, -+ gintmsk.d32, 0); -+ pcd_stop(_core_if); -+ /* -+ * Initialize the Core for Host mode. -+ */ -+ hcd_start( _core_if ); -+ _core_if->op_state = B_HOST; -+ } -+ } else { -+ gotgctl.d32 = 0; -+ gotgctl.b.hnpreq = 1; -+ gotgctl.b.devhnpen = 1; -+ dwc_modify_reg32( &global_regs->gotgctl, -+ gotgctl.d32, 0); -+ DWC_DEBUGPL( DBG_ANY, "HNP Failed\n"); -+ DWC_ERROR( "Device Not Connected/Responding\n" ); -+ } -+ } -+ if (gotgint.b.hstnegdet) { -+ /* The disconnect interrupt is set at the same time as -+ * Host Negotiation Detected. During the mode -+ * switch all interrupts are cleared so the disconnect -+ * interrupt handler will not get executed. -+ */ -+ DWC_DEBUGPL(DBG_ANY, " ++OTG Interrupt: " -+ "Host Negotiation Detected++ (%s)\n", -+ (dwc_otg_is_host_mode(_core_if)?"Host":"Device")); -+ if (dwc_otg_is_device_mode(_core_if)){ -+ DWC_DEBUGPL(DBG_ANY, "a_suspend->a_peripheral (%d)\n",_core_if->op_state); -+ hcd_disconnect( _core_if ); -+ pcd_start( _core_if ); -+ _core_if->op_state = A_PERIPHERAL; -+ } else { -+ /* -+ * Need to disable SOF interrupt immediately. When -+ * switching from device to host, the PCD interrupt -+ * handler won't handle the interrupt if host mode is -+ * already set. The HCD interrupt handler won't get -+ * called if the HCD state is HALT. This means that -+ * the interrupt does not get handled and Linux -+ * complains loudly. -+ */ -+ gintmsk.d32 = 0; -+ gintmsk.b.sofintr = 1; -+ dwc_modify_reg32(&global_regs->gintmsk, -+ gintmsk.d32, 0); -+ pcd_stop( _core_if ); -+ hcd_start( _core_if ); -+ _core_if->op_state = A_HOST; -+ } -+ } -+ if (gotgint.b.adevtoutchng) { -+ DWC_DEBUGPL(DBG_ANY, " ++OTG Interrupt: " -+ "A-Device Timeout Change++\n"); -+ } -+ if (gotgint.b.debdone) { -+ DWC_DEBUGPL(DBG_ANY, " ++OTG Interrupt: " -+ "Debounce Done++\n"); -+ } -+ -+ /* Clear GOTGINT */ -+ dwc_write_reg32 (&_core_if->core_global_regs->gotgint, gotgint.d32); -+ -+ return 1; -+} -+ -+/** -+ * This function handles the Connector ID Status Change Interrupt. It -+ * reads the OTG Interrupt Register (GOTCTL) to determine whether this -+ * is a Device to Host Mode transition or a Host Mode to Device -+ * Transition. -+ * -+ * This only occurs when the cable is connected/removed from the PHY -+ * connector. -+ * -+ * @param _core_if Programming view of DWC_otg controller. -+ */ -+int32_t dwc_otg_handle_conn_id_status_change_intr(dwc_otg_core_if_t *_core_if) -+{ -+ uint32_t count = 0; -+ -+ gintsts_data_t gintsts = { .d32 = 0 }; -+ gintmsk_data_t gintmsk = { .d32 = 0 }; -+ gotgctl_data_t gotgctl = { .d32 = 0 }; -+ -+ /* -+ * Need to disable SOF interrupt immediately. If switching from device -+ * to host, the PCD interrupt handler won't handle the interrupt if -+ * host mode is already set. The HCD interrupt handler won't get -+ * called if the HCD state is HALT. This means that the interrupt does -+ * not get handled and Linux complains loudly. -+ */ -+ gintmsk.b.sofintr = 1; -+ dwc_modify_reg32(&_core_if->core_global_regs->gintmsk, gintmsk.d32, 0); -+ -+ DWC_DEBUGPL(DBG_CIL, " ++Connector ID Status Change Interrupt++ (%s)\n", -+ (dwc_otg_is_host_mode(_core_if)?"Host":"Device")); -+ gotgctl.d32 = dwc_read_reg32(&_core_if->core_global_regs->gotgctl); -+ DWC_DEBUGPL(DBG_CIL, "gotgctl=%0x\n", gotgctl.d32); -+ DWC_DEBUGPL(DBG_CIL, "gotgctl.b.conidsts=%d\n", gotgctl.b.conidsts); -+ -+ /* B-Device connector (Device Mode) */ -+ if (gotgctl.b.conidsts) { -+ /* Wait for switch to device mode. */ -+ while (!dwc_otg_is_device_mode(_core_if) ){ -+ DWC_PRINT("Waiting for Peripheral Mode, Mode=%s\n", -+ (dwc_otg_is_host_mode(_core_if)?"Host":"Peripheral")); -+ MDELAY(100); -+ if (++count > 10000) *(uint32_t*)NULL=0; -+ } -+ _core_if->op_state = B_PERIPHERAL; -+ dwc_otg_core_init(_core_if); -+ dwc_otg_enable_global_interrupts(_core_if); -+ pcd_start( _core_if ); -+ } else { -+ /* A-Device connector (Host Mode) */ -+ while (!dwc_otg_is_host_mode(_core_if) ) { -+ DWC_PRINT("Waiting for Host Mode, Mode=%s\n", -+ (dwc_otg_is_host_mode(_core_if)?"Host":"Peripheral")); -+ MDELAY(100); -+ if (++count > 10000) *(uint32_t*)NULL=0; -+ } -+ _core_if->op_state = A_HOST; -+ /* -+ * Initialize the Core for Host mode. -+ */ -+ dwc_otg_core_init(_core_if); -+ dwc_otg_enable_global_interrupts(_core_if); -+ hcd_start( _core_if ); -+ } -+ -+ /* Set flag and clear interrupt */ -+ gintsts.b.conidstschng = 1; -+ dwc_write_reg32 (&_core_if->core_global_regs->gintsts, gintsts.d32); -+ -+ return 1; -+} -+ -+/** -+ * This interrupt indicates that a device is initiating the Session -+ * Request Protocol to request the host to turn on bus power so a new -+ * session can begin. The handler responds by turning on bus power. If -+ * the DWC_otg controller is in low power mode, the handler brings the -+ * controller out of low power mode before turning on bus power. -+ * -+ * @param _core_if Programming view of DWC_otg controller. -+ */ -+int32_t dwc_otg_handle_session_req_intr( dwc_otg_core_if_t *_core_if ) -+{ -+#ifndef DWC_HOST_ONLY // winder -+ hprt0_data_t hprt0; -+#endif -+ gintsts_data_t gintsts; -+ -+#ifndef DWC_HOST_ONLY -+ DWC_DEBUGPL(DBG_ANY, "++Session Request Interrupt++\n"); -+ -+ if (dwc_otg_is_device_mode(_core_if) ) { -+ DWC_PRINT("SRP: Device mode\n"); -+ } else { -+ DWC_PRINT("SRP: Host mode\n"); -+ -+ /* Turn on the port power bit. */ -+ hprt0.d32 = dwc_otg_read_hprt0( _core_if ); -+ hprt0.b.prtpwr = 1; -+ dwc_write_reg32(_core_if->host_if->hprt0, hprt0.d32); -+ -+ /* Start the Connection timer. So a message can be displayed -+ * if connect does not occur within 10 seconds. */ -+ hcd_session_start( _core_if ); -+ } -+#endif -+ -+ /* Clear interrupt */ -+ gintsts.d32 = 0; -+ gintsts.b.sessreqintr = 1; -+ dwc_write_reg32 (&_core_if->core_global_regs->gintsts, gintsts.d32); -+ -+ return 1; -+} -+ -+/** -+ * This interrupt indicates that the DWC_otg controller has detected a -+ * resume or remote wakeup sequence. If the DWC_otg controller is in -+ * low power mode, the handler must brings the controller out of low -+ * power mode. The controller automatically begins resume -+ * signaling. The handler schedules a time to stop resume signaling. -+ */ -+int32_t dwc_otg_handle_wakeup_detected_intr( dwc_otg_core_if_t *_core_if ) -+{ -+ gintsts_data_t gintsts; -+ -+ DWC_DEBUGPL(DBG_ANY, "++Resume and Remote Wakeup Detected Interrupt++\n"); -+ -+ if (dwc_otg_is_device_mode(_core_if) ) { -+ dctl_data_t dctl = {.d32=0}; -+ DWC_DEBUGPL(DBG_PCD, "DSTS=0x%0x\n", -+ dwc_read_reg32( &_core_if->dev_if->dev_global_regs->dsts)); -+#ifdef PARTIAL_POWER_DOWN -+ if (_core_if->hwcfg4.b.power_optimiz) { -+ pcgcctl_data_t power = {.d32=0}; -+ -+ power.d32 = dwc_read_reg32( _core_if->pcgcctl ); -+ DWC_DEBUGPL(DBG_CIL, "PCGCCTL=%0x\n", power.d32); -+ -+ power.b.stoppclk = 0; -+ dwc_write_reg32( _core_if->pcgcctl, power.d32); -+ -+ power.b.pwrclmp = 0; -+ dwc_write_reg32( _core_if->pcgcctl, power.d32); -+ -+ power.b.rstpdwnmodule = 0; -+ dwc_write_reg32( _core_if->pcgcctl, power.d32); -+ } -+#endif -+ /* Clear the Remote Wakeup Signalling */ -+ dctl.b.rmtwkupsig = 1; -+ dwc_modify_reg32( &_core_if->dev_if->dev_global_regs->dctl, -+ dctl.d32, 0 ); -+ -+ if (_core_if->pcd_cb && _core_if->pcd_cb->resume_wakeup) { -+ _core_if->pcd_cb->resume_wakeup( _core_if->pcd_cb->p ); -+ } -+ -+ } else { -+ /* -+ * Clear the Resume after 70ms. (Need 20 ms minimum. Use 70 ms -+ * so that OPT tests pass with all PHYs). -+ */ -+ hprt0_data_t hprt0 = {.d32=0}; -+ pcgcctl_data_t pcgcctl = {.d32=0}; -+ /* Restart the Phy Clock */ -+ pcgcctl.b.stoppclk = 1; -+ dwc_modify_reg32(_core_if->pcgcctl, pcgcctl.d32, 0); -+ UDELAY(10); -+ -+ /* Now wait for 70 ms. */ -+ hprt0.d32 = dwc_otg_read_hprt0( _core_if ); -+ DWC_DEBUGPL(DBG_ANY,"Resume: HPRT0=%0x\n", hprt0.d32); -+ MDELAY(70); -+ hprt0.b.prtres = 0; /* Resume */ -+ dwc_write_reg32(_core_if->host_if->hprt0, hprt0.d32); -+ DWC_DEBUGPL(DBG_ANY,"Clear Resume: HPRT0=%0x\n", dwc_read_reg32(_core_if->host_if->hprt0)); -+ } -+ -+ /* Clear interrupt */ -+ gintsts.d32 = 0; -+ gintsts.b.wkupintr = 1; -+ dwc_write_reg32 (&_core_if->core_global_regs->gintsts, gintsts.d32); -+ -+ return 1; -+} -+ -+/** -+ * This interrupt indicates that a device has been disconnected from -+ * the root port. -+ */ -+int32_t dwc_otg_handle_disconnect_intr( dwc_otg_core_if_t *_core_if) -+{ -+ gintsts_data_t gintsts; -+ -+ DWC_DEBUGPL(DBG_ANY, "++Disconnect Detected Interrupt++ (%s) %s\n", -+ (dwc_otg_is_host_mode(_core_if)?"Host":"Device"), -+ op_state_str(_core_if)); -+ -+/** @todo Consolidate this if statement. */ -+#ifndef DWC_HOST_ONLY -+ if (_core_if->op_state == B_HOST) { -+ /* If in device mode Disconnect and stop the HCD, then -+ * start the PCD. */ -+ hcd_disconnect( _core_if ); -+ pcd_start( _core_if ); -+ _core_if->op_state = B_PERIPHERAL; -+ } else if (dwc_otg_is_device_mode(_core_if)) { -+ gotgctl_data_t gotgctl = { .d32 = 0 }; -+ gotgctl.d32 = dwc_read_reg32(&_core_if->core_global_regs->gotgctl); -+ if (gotgctl.b.hstsethnpen==1) { -+ /* Do nothing, if HNP in process the OTG -+ * interrupt "Host Negotiation Detected" -+ * interrupt will do the mode switch. -+ */ -+ } else if (gotgctl.b.devhnpen == 0) { -+ /* If in device mode Disconnect and stop the HCD, then -+ * start the PCD. */ -+ hcd_disconnect( _core_if ); -+ pcd_start( _core_if ); -+ _core_if->op_state = B_PERIPHERAL; -+ } else { -+ DWC_DEBUGPL(DBG_ANY,"!a_peripheral && !devhnpen\n"); -+ } -+ } else { -+ if (_core_if->op_state == A_HOST) { -+ /* A-Cable still connected but device disconnected. */ -+ hcd_disconnect( _core_if ); -+ } -+ } -+#endif -+/* Without OTG, we should use the disconnect function!? winder added.*/ -+#if 1 // NO OTG, so host only!! -+ hcd_disconnect( _core_if ); -+#endif -+ -+ gintsts.d32 = 0; -+ gintsts.b.disconnect = 1; -+ dwc_write_reg32 (&_core_if->core_global_regs->gintsts, gintsts.d32); -+ return 1; -+} -+/** -+ * This interrupt indicates that SUSPEND state has been detected on -+ * the USB. -+ * -+ * For HNP the USB Suspend interrupt signals the change from -+ * "a_peripheral" to "a_host". -+ * -+ * When power management is enabled the core will be put in low power -+ * mode. -+ */ -+int32_t dwc_otg_handle_usb_suspend_intr(dwc_otg_core_if_t *_core_if ) -+{ -+ dsts_data_t dsts; -+ gintsts_data_t gintsts; -+ -+ //805141:<IFTW-fchang>.removed DWC_DEBUGPL(DBG_ANY,"USB SUSPEND\n"); -+ -+ if (dwc_otg_is_device_mode( _core_if ) ) { -+ /* Check the Device status register to determine if the Suspend -+ * state is active. */ -+ dsts.d32 = dwc_read_reg32( &_core_if->dev_if->dev_global_regs->dsts); -+ DWC_DEBUGPL(DBG_PCD, "DSTS=0x%0x\n", dsts.d32); -+ DWC_DEBUGPL(DBG_PCD, "DSTS.Suspend Status=%d " -+ "HWCFG4.power Optimize=%d\n", -+ dsts.b.suspsts, _core_if->hwcfg4.b.power_optimiz); -+ -+ -+#ifdef PARTIAL_POWER_DOWN -+/** @todo Add a module parameter for power management. */ -+ -+ if (dsts.b.suspsts && _core_if->hwcfg4.b.power_optimiz) { -+ pcgcctl_data_t power = {.d32=0}; -+ DWC_DEBUGPL(DBG_CIL, "suspend\n"); -+ -+ power.b.pwrclmp = 1; -+ dwc_write_reg32( _core_if->pcgcctl, power.d32); -+ -+ power.b.rstpdwnmodule = 1; -+ dwc_modify_reg32( _core_if->pcgcctl, 0, power.d32); -+ -+ power.b.stoppclk = 1; -+ dwc_modify_reg32( _core_if->pcgcctl, 0, power.d32); -+ -+ } else { -+ DWC_DEBUGPL(DBG_ANY,"disconnect?\n"); -+ } -+#endif -+ /* PCD callback for suspend. */ -+ pcd_suspend(_core_if); -+ } else { -+ if (_core_if->op_state == A_PERIPHERAL) { -+ DWC_DEBUGPL(DBG_ANY,"a_peripheral->a_host\n"); -+ /* Clear the a_peripheral flag, back to a_host. */ -+ pcd_stop( _core_if ); -+ hcd_start( _core_if ); -+ _core_if->op_state = A_HOST; -+ } -+ } -+ -+ /* Clear interrupt */ -+ gintsts.d32 = 0; -+ gintsts.b.usbsuspend = 1; -+ dwc_write_reg32( &_core_if->core_global_regs->gintsts, gintsts.d32); -+ -+ return 1; -+} -+ -+ -+/** -+ * This function returns the Core Interrupt register. -+ */ -+static inline uint32_t dwc_otg_read_common_intr(dwc_otg_core_if_t *_core_if) -+{ -+ gintsts_data_t gintsts; -+ gintmsk_data_t gintmsk; -+ gintmsk_data_t gintmsk_common = {.d32=0}; -+ gintmsk_common.b.wkupintr = 1; -+ gintmsk_common.b.sessreqintr = 1; -+ gintmsk_common.b.conidstschng = 1; -+ gintmsk_common.b.otgintr = 1; -+ gintmsk_common.b.modemismatch = 1; -+ gintmsk_common.b.disconnect = 1; -+ gintmsk_common.b.usbsuspend = 1; -+ /** @todo: The port interrupt occurs while in device -+ * mode. Added code to CIL to clear the interrupt for now! -+ */ -+ gintmsk_common.b.portintr = 1; -+ -+ gintsts.d32 = dwc_read_reg32(&_core_if->core_global_regs->gintsts); -+ gintmsk.d32 = dwc_read_reg32(&_core_if->core_global_regs->gintmsk); -+#ifdef DEBUG -+ /* if any common interrupts set */ -+ if (gintsts.d32 & gintmsk_common.d32) { -+ DWC_DEBUGPL(DBG_ANY, "gintsts=%08x gintmsk=%08x\n", -+ gintsts.d32, gintmsk.d32); -+ } -+#endif -+ -+ return ((gintsts.d32 & gintmsk.d32 ) & gintmsk_common.d32); -+ -+} -+ -+/** -+ * Common interrupt handler. -+ * -+ * The common interrupts are those that occur in both Host and Device mode. -+ * This handler handles the following interrupts: -+ * - Mode Mismatch Interrupt -+ * - Disconnect Interrupt -+ * - OTG Interrupt -+ * - Connector ID Status Change Interrupt -+ * - Session Request Interrupt. -+ * - Resume / Remote Wakeup Detected Interrupt. -+ * -+ */ -+extern int32_t dwc_otg_handle_common_intr( dwc_otg_core_if_t *_core_if ) -+{ -+ int retval = 0; -+ gintsts_data_t gintsts; -+ -+ gintsts.d32 = dwc_otg_read_common_intr(_core_if); -+ -+ if (gintsts.b.modemismatch) { -+ retval |= dwc_otg_handle_mode_mismatch_intr( _core_if ); -+ } -+ if (gintsts.b.otgintr) { -+ retval |= dwc_otg_handle_otg_intr( _core_if ); -+ } -+ if (gintsts.b.conidstschng) { -+ retval |= dwc_otg_handle_conn_id_status_change_intr( _core_if ); -+ } -+ if (gintsts.b.disconnect) { -+ retval |= dwc_otg_handle_disconnect_intr( _core_if ); -+ } -+ if (gintsts.b.sessreqintr) { -+ retval |= dwc_otg_handle_session_req_intr( _core_if ); -+ } -+ if (gintsts.b.wkupintr) { -+ retval |= dwc_otg_handle_wakeup_detected_intr( _core_if ); -+ } -+ if (gintsts.b.usbsuspend) { -+ retval |= dwc_otg_handle_usb_suspend_intr( _core_if ); -+ } -+ if (gintsts.b.portintr && dwc_otg_is_device_mode(_core_if)) { -+ /* The port interrupt occurs while in device mode with HPRT0 -+ * Port Enable/Disable. -+ */ -+ gintsts.d32 = 0; -+ gintsts.b.portintr = 1; -+ dwc_write_reg32(&_core_if->core_global_regs->gintsts, -+ gintsts.d32); -+ retval |= 1; -+ -+ } -+ return retval; -+} ---- /dev/null -+++ b/drivers/usb/dwc_otg/dwc_otg_driver.c -@@ -0,0 +1,1274 @@ -+/* ========================================================================== -+ * $File: //dwh/usb_iip/dev/software/otg_ipmate/linux/drivers/dwc_otg_driver.c $ -+ * $Revision: 1.1.1.1 $ -+ * $Date: 2009-04-17 06:15:34 $ -+ * $Change: 631780 $ -+ * -+ * Synopsys HS OTG Linux Software Driver and documentation (hereinafter, -+ * "Software") is an Unsupported proprietary work of Synopsys, Inc. unless -+ * otherwise expressly agreed to in writing between Synopsys and you. -+ * -+ * The Software IS NOT an item of Licensed Software or Licensed Product under -+ * any End User Software License Agreement or Agreement for Licensed Product -+ * with Synopsys or any supplement thereto. You are permitted to use and -+ * redistribute this Software in source and binary forms, with or without -+ * modification, provided that redistributions of source code must retain this -+ * notice. You may not view, use, disclose, copy or distribute this file or -+ * any information contained herein except pursuant to this license grant from -+ * Synopsys. If you do not agree with this notice, including the disclaimer -+ * below, then you are not authorized to use the Software. -+ * -+ * THIS SOFTWARE IS BEING DISTRIBUTED BY SYNOPSYS SOLELY ON AN "AS IS" BASIS -+ * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE -+ * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE -+ * ARE HEREBY DISCLAIMED. IN NO EVENT SHALL SYNOPSYS BE LIABLE FOR ANY DIRECT, -+ * INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES -+ * (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR -+ * SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER -+ * CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT -+ * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY -+ * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH -+ * DAMAGE. -+ * ========================================================================== */ -+ -+/** @file -+ * The dwc_otg_driver module provides the initialization and cleanup entry -+ * points for the DWC_otg driver. This module will be dynamically installed -+ * after Linux is booted using the insmod command. When the module is -+ * installed, the dwc_otg_init function is called. When the module is -+ * removed (using rmmod), the dwc_otg_cleanup function is called. -+ * -+ * This module also defines a data structure for the dwc_otg_driver, which is -+ * used in conjunction with the standard ARM lm_device structure. These -+ * structures allow the OTG driver to comply with the standard Linux driver -+ * model in which devices and drivers are registered with a bus driver. This -+ * has the benefit that Linux can expose attributes of the driver and device -+ * in its special sysfs file system. Users can then read or write files in -+ * this file system to perform diagnostics on the driver components or the -+ * device. -+ */ -+ -+#include <linux/kernel.h> -+#include <linux/module.h> -+#include <linux/moduleparam.h> -+#include <linux/init.h> -+#include <linux/gpio.h> -+ -+#include <linux/device.h> -+#include <linux/platform_device.h> -+ -+#include <linux/errno.h> -+#include <linux/types.h> -+#include <linux/stat.h> /* permission constants */ -+#include <linux/irq.h> -+#include <asm/io.h> -+ -+#include "dwc_otg_plat.h" -+#include "dwc_otg_attr.h" -+#include "dwc_otg_driver.h" -+#include "dwc_otg_cil.h" -+#include "dwc_otg_cil_ifx.h" -+ -+// #include "dwc_otg_pcd.h" // device -+#include "dwc_otg_hcd.h" // host -+ -+#include "dwc_otg_ifx.h" // for Infineon platform specific. -+ -+#define DWC_DRIVER_VERSION "2.60a 22-NOV-2006" -+#define DWC_DRIVER_DESC "HS OTG USB Controller driver" -+ -+const char dwc_driver_name[] = "dwc_otg"; -+ -+static unsigned long dwc_iomem_base = IFX_USB_IOMEM_BASE; -+int dwc_irq = LTQ_USB_INT; -+//int dwc_irq = 54; -+//int dwc_irq = IFXMIPS_USB_OC_INT; -+ -+extern int ifx_usb_hc_init(unsigned long base_addr, int irq); -+extern void ifx_usb_hc_remove(void); -+ -+/*-------------------------------------------------------------------------*/ -+/* Encapsulate the module parameter settings */ -+ -+static dwc_otg_core_params_t dwc_otg_module_params = { -+ .opt = -1, -+ .otg_cap = -1, -+ .dma_enable = -1, -+ .dma_burst_size = -1, -+ .speed = -1, -+ .host_support_fs_ls_low_power = -1, -+ .host_ls_low_power_phy_clk = -1, -+ .enable_dynamic_fifo = -1, -+ .data_fifo_size = -1, -+ .dev_rx_fifo_size = -1, -+ .dev_nperio_tx_fifo_size = -1, -+ .dev_perio_tx_fifo_size = /* dev_perio_tx_fifo_size_1 */ {-1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1}, /* 15 */ -+ .host_rx_fifo_size = -1, -+ .host_nperio_tx_fifo_size = -1, -+ .host_perio_tx_fifo_size = -1, -+ .max_transfer_size = -1, -+ .max_packet_count = -1, -+ .host_channels = -1, -+ .dev_endpoints = -1, -+ .phy_type = -1, -+ .phy_utmi_width = -1, -+ .phy_ulpi_ddr = -1, -+ .phy_ulpi_ext_vbus = -1, -+ .i2c_enable = -1, -+ .ulpi_fs_ls = -1, -+ .ts_dline = -1, -+ .en_multiple_tx_fifo = -1, -+ .dev_tx_fifo_size = { /* dev_tx_fifo_size */ -+ -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1 -+ }, /* 15 */ -+ .thr_ctl = -1, -+ .tx_thr_length = -1, -+ .rx_thr_length = -1, -+}; -+ -+/** -+ * This function shows the Driver Version. -+ */ -+static ssize_t version_show(struct device_driver *dev, char *buf) -+{ -+ return snprintf(buf, sizeof(DWC_DRIVER_VERSION)+2,"%s\n", -+ DWC_DRIVER_VERSION); -+} -+static DRIVER_ATTR(version, S_IRUGO, version_show, NULL); -+ -+/** -+ * Global Debug Level Mask. -+ */ -+uint32_t g_dbg_lvl = 0xff; /* OFF */ -+ -+/** -+ * This function shows the driver Debug Level. -+ */ -+static ssize_t dbg_level_show(struct device_driver *_drv, char *_buf) -+{ -+ return sprintf(_buf, "0x%0x\n", g_dbg_lvl); -+} -+/** -+ * This function stores the driver Debug Level. -+ */ -+static ssize_t dbg_level_store(struct device_driver *_drv, const char *_buf, -+ size_t _count) -+{ -+ g_dbg_lvl = simple_strtoul(_buf, NULL, 16); -+ return _count; -+} -+static DRIVER_ATTR(debuglevel, S_IRUGO|S_IWUSR, dbg_level_show, dbg_level_store); -+ -+/** -+ * This function is called during module intialization to verify that -+ * the module parameters are in a valid state. -+ */ -+static int check_parameters(dwc_otg_core_if_t *core_if) -+{ -+ int i; -+ int retval = 0; -+ -+/* Checks if the parameter is outside of its valid range of values */ -+#define DWC_OTG_PARAM_TEST(_param_,_low_,_high_) \ -+ ((dwc_otg_module_params._param_ < (_low_)) || \ -+ (dwc_otg_module_params._param_ > (_high_))) -+ -+/* If the parameter has been set by the user, check that the parameter value is -+ * within the value range of values. If not, report a module error. */ -+#define DWC_OTG_PARAM_ERR(_param_,_low_,_high_,_string_) \ -+ do { \ -+ if (dwc_otg_module_params._param_ != -1) { \ -+ if (DWC_OTG_PARAM_TEST(_param_,(_low_),(_high_))) { \ -+ DWC_ERROR("`%d' invalid for parameter `%s'\n", \ -+ dwc_otg_module_params._param_, _string_); \ -+ dwc_otg_module_params._param_ = dwc_param_##_param_##_default; \ -+ retval ++; \ -+ } \ -+ } \ -+ } while (0) -+ -+ DWC_OTG_PARAM_ERR(opt,0,1,"opt"); -+ DWC_OTG_PARAM_ERR(otg_cap,0,2,"otg_cap"); -+ DWC_OTG_PARAM_ERR(dma_enable,0,1,"dma_enable"); -+ DWC_OTG_PARAM_ERR(speed,0,1,"speed"); -+ DWC_OTG_PARAM_ERR(host_support_fs_ls_low_power,0,1,"host_support_fs_ls_low_power"); -+ DWC_OTG_PARAM_ERR(host_ls_low_power_phy_clk,0,1,"host_ls_low_power_phy_clk"); -+ DWC_OTG_PARAM_ERR(enable_dynamic_fifo,0,1,"enable_dynamic_fifo"); -+ DWC_OTG_PARAM_ERR(data_fifo_size,32,32768,"data_fifo_size"); -+ DWC_OTG_PARAM_ERR(dev_rx_fifo_size,16,32768,"dev_rx_fifo_size"); -+ DWC_OTG_PARAM_ERR(dev_nperio_tx_fifo_size,16,32768,"dev_nperio_tx_fifo_size"); -+ DWC_OTG_PARAM_ERR(host_rx_fifo_size,16,32768,"host_rx_fifo_size"); -+ DWC_OTG_PARAM_ERR(host_nperio_tx_fifo_size,16,32768,"host_nperio_tx_fifo_size"); -+ DWC_OTG_PARAM_ERR(host_perio_tx_fifo_size,16,32768,"host_perio_tx_fifo_size"); -+ DWC_OTG_PARAM_ERR(max_transfer_size,2047,524288,"max_transfer_size"); -+ DWC_OTG_PARAM_ERR(max_packet_count,15,511,"max_packet_count"); -+ DWC_OTG_PARAM_ERR(host_channels,1,16,"host_channels"); -+ DWC_OTG_PARAM_ERR(dev_endpoints,1,15,"dev_endpoints"); -+ DWC_OTG_PARAM_ERR(phy_type,0,2,"phy_type"); -+ DWC_OTG_PARAM_ERR(phy_ulpi_ddr,0,1,"phy_ulpi_ddr"); -+ DWC_OTG_PARAM_ERR(phy_ulpi_ext_vbus,0,1,"phy_ulpi_ext_vbus"); -+ DWC_OTG_PARAM_ERR(i2c_enable,0,1,"i2c_enable"); -+ DWC_OTG_PARAM_ERR(ulpi_fs_ls,0,1,"ulpi_fs_ls"); -+ DWC_OTG_PARAM_ERR(ts_dline,0,1,"ts_dline"); -+ -+ if (dwc_otg_module_params.dma_burst_size != -1) { -+ if (DWC_OTG_PARAM_TEST(dma_burst_size,1,1) && -+ DWC_OTG_PARAM_TEST(dma_burst_size,4,4) && -+ DWC_OTG_PARAM_TEST(dma_burst_size,8,8) && -+ DWC_OTG_PARAM_TEST(dma_burst_size,16,16) && -+ DWC_OTG_PARAM_TEST(dma_burst_size,32,32) && -+ DWC_OTG_PARAM_TEST(dma_burst_size,64,64) && -+ DWC_OTG_PARAM_TEST(dma_burst_size,128,128) && -+ DWC_OTG_PARAM_TEST(dma_burst_size,256,256)) -+ { -+ DWC_ERROR("`%d' invalid for parameter `dma_burst_size'\n", -+ dwc_otg_module_params.dma_burst_size); -+ dwc_otg_module_params.dma_burst_size = 32; -+ retval ++; -+ } -+ } -+ -+ if (dwc_otg_module_params.phy_utmi_width != -1) { -+ if (DWC_OTG_PARAM_TEST(phy_utmi_width,8,8) && -+ DWC_OTG_PARAM_TEST(phy_utmi_width,16,16)) -+ { -+ DWC_ERROR("`%d' invalid for parameter `phy_utmi_width'\n", -+ dwc_otg_module_params.phy_utmi_width); -+ //dwc_otg_module_params.phy_utmi_width = 16; -+ dwc_otg_module_params.phy_utmi_width = 8; -+ retval ++; -+ } -+ } -+ -+ for (i=0; i<15; i++) { -+ /** @todo should be like above */ -+ //DWC_OTG_PARAM_ERR(dev_perio_tx_fifo_size[i],4,768,"dev_perio_tx_fifo_size"); -+ if (dwc_otg_module_params.dev_perio_tx_fifo_size[i] != -1) { -+ if (DWC_OTG_PARAM_TEST(dev_perio_tx_fifo_size[i],4,768)) { -+ DWC_ERROR("`%d' invalid for parameter `%s_%d'\n", -+ dwc_otg_module_params.dev_perio_tx_fifo_size[i], "dev_perio_tx_fifo_size", i); -+ dwc_otg_module_params.dev_perio_tx_fifo_size[i] = dwc_param_dev_perio_tx_fifo_size_default; -+ retval ++; -+ } -+ } -+ } -+ -+ DWC_OTG_PARAM_ERR(en_multiple_tx_fifo, 0, 1, "en_multiple_tx_fifo"); -+ for (i = 0; i < 15; i++) { -+ /** @todo should be like above */ -+ //DWC_OTG_PARAM_ERR(dev_tx_fifo_size[i],4,768,"dev_tx_fifo_size"); -+ if (dwc_otg_module_params.dev_tx_fifo_size[i] != -1) { -+ if (DWC_OTG_PARAM_TEST(dev_tx_fifo_size[i], 4, 768)) { -+ DWC_ERROR("`%d' invalid for parameter `%s_%d'\n", -+ dwc_otg_module_params.dev_tx_fifo_size[i], -+ "dev_tx_fifo_size", i); -+ dwc_otg_module_params.dev_tx_fifo_size[i] = -+ dwc_param_dev_tx_fifo_size_default; -+ retval++; -+ } -+ } -+ } -+ DWC_OTG_PARAM_ERR(thr_ctl, 0, 7, "thr_ctl"); -+ DWC_OTG_PARAM_ERR(tx_thr_length, 8, 128, "tx_thr_length"); -+ DWC_OTG_PARAM_ERR(rx_thr_length, 8, 128, "rx_thr_length"); -+ -+ /* At this point, all module parameters that have been set by the user -+ * are valid, and those that have not are left unset. Now set their -+ * default values and/or check the parameters against the hardware -+ * configurations of the OTG core. */ -+ -+ -+ -+/* This sets the parameter to the default value if it has not been set by the -+ * user */ -+#define DWC_OTG_PARAM_SET_DEFAULT(_param_) \ -+ ({ \ -+ int changed = 1; \ -+ if (dwc_otg_module_params._param_ == -1) { \ -+ changed = 0; \ -+ dwc_otg_module_params._param_ = dwc_param_##_param_##_default; \ -+ } \ -+ changed; \ -+ }) -+ -+/* This checks the macro agains the hardware configuration to see if it is -+ * valid. It is possible that the default value could be invalid. In this -+ * case, it will report a module error if the user touched the parameter. -+ * Otherwise it will adjust the value without any error. */ -+#define DWC_OTG_PARAM_CHECK_VALID(_param_,_str_,_is_valid_,_set_valid_) \ -+ ({ \ -+ int changed = DWC_OTG_PARAM_SET_DEFAULT(_param_); \ -+ int error = 0; \ -+ if (!(_is_valid_)) { \ -+ if (changed) { \ -+ DWC_ERROR("`%d' invalid for parameter `%s'. Check HW configuration.\n", dwc_otg_module_params._param_,_str_); \ -+ error = 1; \ -+ } \ -+ dwc_otg_module_params._param_ = (_set_valid_); \ -+ } \ -+ error; \ -+ }) -+ -+ /* OTG Cap */ -+ retval += DWC_OTG_PARAM_CHECK_VALID(otg_cap,"otg_cap", -+ ({ -+ int valid; -+ valid = 1; -+ switch (dwc_otg_module_params.otg_cap) { -+ case DWC_OTG_CAP_PARAM_HNP_SRP_CAPABLE: -+ if (core_if->hwcfg2.b.op_mode != DWC_HWCFG2_OP_MODE_HNP_SRP_CAPABLE_OTG) valid = 0; -+ break; -+ case DWC_OTG_CAP_PARAM_SRP_ONLY_CAPABLE: -+ if ((core_if->hwcfg2.b.op_mode != DWC_HWCFG2_OP_MODE_HNP_SRP_CAPABLE_OTG) && -+ (core_if->hwcfg2.b.op_mode != DWC_HWCFG2_OP_MODE_SRP_ONLY_CAPABLE_OTG) && -+ (core_if->hwcfg2.b.op_mode != DWC_HWCFG2_OP_MODE_SRP_CAPABLE_DEVICE) && -+ (core_if->hwcfg2.b.op_mode != DWC_HWCFG2_OP_MODE_SRP_CAPABLE_HOST)) -+ { -+ valid = 0; -+ } -+ break; -+ case DWC_OTG_CAP_PARAM_NO_HNP_SRP_CAPABLE: -+ /* always valid */ -+ break; -+ } -+ valid; -+ }), -+ (((core_if->hwcfg2.b.op_mode == DWC_HWCFG2_OP_MODE_HNP_SRP_CAPABLE_OTG) || -+ (core_if->hwcfg2.b.op_mode == DWC_HWCFG2_OP_MODE_SRP_ONLY_CAPABLE_OTG) || -+ (core_if->hwcfg2.b.op_mode == DWC_HWCFG2_OP_MODE_SRP_CAPABLE_DEVICE) || -+ (core_if->hwcfg2.b.op_mode == DWC_HWCFG2_OP_MODE_SRP_CAPABLE_HOST)) ? -+ DWC_OTG_CAP_PARAM_SRP_ONLY_CAPABLE : -+ DWC_OTG_CAP_PARAM_NO_HNP_SRP_CAPABLE)); -+ -+ retval += DWC_OTG_PARAM_CHECK_VALID(dma_enable,"dma_enable", -+ ((dwc_otg_module_params.dma_enable == 1) && (core_if->hwcfg2.b.architecture == 0)) ? 0 : 1, -+ 0); -+ -+ retval += DWC_OTG_PARAM_CHECK_VALID(opt,"opt", -+ 1, -+ 0); -+ -+ DWC_OTG_PARAM_SET_DEFAULT(dma_burst_size); -+ -+ retval += DWC_OTG_PARAM_CHECK_VALID(host_support_fs_ls_low_power, -+ "host_support_fs_ls_low_power", -+ 1, 0); -+ -+ retval += DWC_OTG_PARAM_CHECK_VALID(enable_dynamic_fifo, -+ "enable_dynamic_fifo", -+ ((dwc_otg_module_params.enable_dynamic_fifo == 0) || -+ (core_if->hwcfg2.b.dynamic_fifo == 1)), 0); -+ -+ -+ retval += DWC_OTG_PARAM_CHECK_VALID(data_fifo_size, -+ "data_fifo_size", -+ (dwc_otg_module_params.data_fifo_size <= core_if->hwcfg3.b.dfifo_depth), -+ core_if->hwcfg3.b.dfifo_depth); -+ -+ retval += DWC_OTG_PARAM_CHECK_VALID(dev_rx_fifo_size, -+ "dev_rx_fifo_size", -+ (dwc_otg_module_params.dev_rx_fifo_size <= dwc_read_reg32(&core_if->core_global_regs->grxfsiz)), -+ dwc_read_reg32(&core_if->core_global_regs->grxfsiz)); -+ -+ retval += DWC_OTG_PARAM_CHECK_VALID(dev_nperio_tx_fifo_size, -+ "dev_nperio_tx_fifo_size", -+ (dwc_otg_module_params.dev_nperio_tx_fifo_size <= (dwc_read_reg32(&core_if->core_global_regs->gnptxfsiz) >> 16)), -+ (dwc_read_reg32(&core_if->core_global_regs->gnptxfsiz) >> 16)); -+ -+ retval += DWC_OTG_PARAM_CHECK_VALID(host_rx_fifo_size, -+ "host_rx_fifo_size", -+ (dwc_otg_module_params.host_rx_fifo_size <= dwc_read_reg32(&core_if->core_global_regs->grxfsiz)), -+ dwc_read_reg32(&core_if->core_global_regs->grxfsiz)); -+ -+ -+ retval += DWC_OTG_PARAM_CHECK_VALID(host_nperio_tx_fifo_size, -+ "host_nperio_tx_fifo_size", -+ (dwc_otg_module_params.host_nperio_tx_fifo_size <= (dwc_read_reg32(&core_if->core_global_regs->gnptxfsiz) >> 16)), -+ (dwc_read_reg32(&core_if->core_global_regs->gnptxfsiz) >> 16)); -+ -+ retval += DWC_OTG_PARAM_CHECK_VALID(host_perio_tx_fifo_size, -+ "host_perio_tx_fifo_size", -+ (dwc_otg_module_params.host_perio_tx_fifo_size <= ((dwc_read_reg32(&core_if->core_global_regs->hptxfsiz) >> 16))), -+ ((dwc_read_reg32(&core_if->core_global_regs->hptxfsiz) >> 16))); -+ -+ retval += DWC_OTG_PARAM_CHECK_VALID(max_transfer_size, -+ "max_transfer_size", -+ (dwc_otg_module_params.max_transfer_size < (1 << (core_if->hwcfg3.b.xfer_size_cntr_width + 11))), -+ ((1 << (core_if->hwcfg3.b.xfer_size_cntr_width + 11)) - 1)); -+ -+ retval += DWC_OTG_PARAM_CHECK_VALID(max_packet_count, -+ "max_packet_count", -+ (dwc_otg_module_params.max_packet_count < (1 << (core_if->hwcfg3.b.packet_size_cntr_width + 4))), -+ ((1 << (core_if->hwcfg3.b.packet_size_cntr_width + 4)) - 1)); -+ -+ retval += DWC_OTG_PARAM_CHECK_VALID(host_channels, -+ "host_channels", -+ (dwc_otg_module_params.host_channels <= (core_if->hwcfg2.b.num_host_chan + 1)), -+ (core_if->hwcfg2.b.num_host_chan + 1)); -+ -+ retval += DWC_OTG_PARAM_CHECK_VALID(dev_endpoints, -+ "dev_endpoints", -+ (dwc_otg_module_params.dev_endpoints <= (core_if->hwcfg2.b.num_dev_ep)), -+ core_if->hwcfg2.b.num_dev_ep); -+ -+/* -+ * Define the following to disable the FS PHY Hardware checking. This is for -+ * internal testing only. -+ * -+ * #define NO_FS_PHY_HW_CHECKS -+ */ -+ -+#ifdef NO_FS_PHY_HW_CHECKS -+ retval += DWC_OTG_PARAM_CHECK_VALID(phy_type, -+ "phy_type", 1, 0); -+#else -+ retval += DWC_OTG_PARAM_CHECK_VALID(phy_type, -+ "phy_type", -+ ({ -+ int valid = 0; -+ if ((dwc_otg_module_params.phy_type == DWC_PHY_TYPE_PARAM_UTMI) && -+ ((core_if->hwcfg2.b.hs_phy_type == 1) || -+ (core_if->hwcfg2.b.hs_phy_type == 3))) -+ { -+ valid = 1; -+ } -+ else if ((dwc_otg_module_params.phy_type == DWC_PHY_TYPE_PARAM_ULPI) && -+ ((core_if->hwcfg2.b.hs_phy_type == 2) || -+ (core_if->hwcfg2.b.hs_phy_type == 3))) -+ { -+ valid = 1; -+ } -+ else if ((dwc_otg_module_params.phy_type == DWC_PHY_TYPE_PARAM_FS) && -+ (core_if->hwcfg2.b.fs_phy_type == 1)) -+ { -+ valid = 1; -+ } -+ valid; -+ }), -+ ({ -+ int set = DWC_PHY_TYPE_PARAM_FS; -+ if (core_if->hwcfg2.b.hs_phy_type) { -+ if ((core_if->hwcfg2.b.hs_phy_type == 3) || -+ (core_if->hwcfg2.b.hs_phy_type == 1)) { -+ set = DWC_PHY_TYPE_PARAM_UTMI; -+ } -+ else { -+ set = DWC_PHY_TYPE_PARAM_ULPI; -+ } -+ } -+ set; -+ })); -+#endif -+ -+ retval += DWC_OTG_PARAM_CHECK_VALID(speed,"speed", -+ (dwc_otg_module_params.speed == 0) && (dwc_otg_module_params.phy_type == DWC_PHY_TYPE_PARAM_FS) ? 0 : 1, -+ dwc_otg_module_params.phy_type == DWC_PHY_TYPE_PARAM_FS ? 1 : 0); -+ -+ retval += DWC_OTG_PARAM_CHECK_VALID(host_ls_low_power_phy_clk, -+ "host_ls_low_power_phy_clk", -+ ((dwc_otg_module_params.host_ls_low_power_phy_clk == DWC_HOST_LS_LOW_POWER_PHY_CLK_PARAM_48MHZ) && (dwc_otg_module_params.phy_type == DWC_PHY_TYPE_PARAM_FS) ? 0 : 1), -+ ((dwc_otg_module_params.phy_type == DWC_PHY_TYPE_PARAM_FS) ? DWC_HOST_LS_LOW_POWER_PHY_CLK_PARAM_6MHZ : DWC_HOST_LS_LOW_POWER_PHY_CLK_PARAM_48MHZ)); -+ -+ DWC_OTG_PARAM_SET_DEFAULT(phy_ulpi_ddr); -+ DWC_OTG_PARAM_SET_DEFAULT(phy_ulpi_ext_vbus); -+ DWC_OTG_PARAM_SET_DEFAULT(phy_utmi_width); -+ DWC_OTG_PARAM_SET_DEFAULT(ulpi_fs_ls); -+ DWC_OTG_PARAM_SET_DEFAULT(ts_dline); -+ -+#ifdef NO_FS_PHY_HW_CHECKS -+ retval += DWC_OTG_PARAM_CHECK_VALID(i2c_enable, -+ "i2c_enable", 1, 0); -+#else -+ retval += DWC_OTG_PARAM_CHECK_VALID(i2c_enable, -+ "i2c_enable", -+ (dwc_otg_module_params.i2c_enable == 1) && (core_if->hwcfg3.b.i2c == 0) ? 0 : 1, -+ 0); -+#endif -+ -+ for (i=0; i<16; i++) { -+ -+ int changed = 1; -+ int error = 0; -+ -+ if (dwc_otg_module_params.dev_perio_tx_fifo_size[i] == -1) { -+ changed = 0; -+ dwc_otg_module_params.dev_perio_tx_fifo_size[i] = dwc_param_dev_perio_tx_fifo_size_default; -+ } -+ if (!(dwc_otg_module_params.dev_perio_tx_fifo_size[i] <= (dwc_read_reg32(&core_if->core_global_regs->dptxfsiz_dieptxf[i])))) { -+ if (changed) { -+ DWC_ERROR("`%d' invalid for parameter `dev_perio_fifo_size_%d'. Check HW configuration.\n", dwc_otg_module_params.dev_perio_tx_fifo_size[i],i); -+ error = 1; -+ } -+ dwc_otg_module_params.dev_perio_tx_fifo_size[i] = dwc_read_reg32(&core_if->core_global_regs->dptxfsiz_dieptxf[i]); -+ } -+ retval += error; -+ } -+ -+ retval += DWC_OTG_PARAM_CHECK_VALID(en_multiple_tx_fifo, -+ "en_multiple_tx_fifo", -+ ((dwc_otg_module_params.en_multiple_tx_fifo == 1) && -+ (core_if->hwcfg4.b.ded_fifo_en == 0)) ? 0 : 1, 0); -+ -+ for (i = 0; i < 16; i++) { -+ int changed = 1; -+ int error = 0; -+ if (dwc_otg_module_params.dev_tx_fifo_size[i] == -1) { -+ changed = 0; -+ dwc_otg_module_params.dev_tx_fifo_size[i] = -+ dwc_param_dev_tx_fifo_size_default; -+ } -+ if (!(dwc_otg_module_params.dev_tx_fifo_size[i] <= -+ (dwc_read_reg32(&core_if->core_global_regs->dptxfsiz_dieptxf[i])))) { -+ if (changed) { -+ DWC_ERROR("%d' invalid for parameter `dev_perio_fifo_size_%d'." -+ "Check HW configuration.\n",dwc_otg_module_params.dev_tx_fifo_size[i],i); -+ error = 1; -+ } -+ dwc_otg_module_params.dev_tx_fifo_size[i] = -+ dwc_read_reg32(&core_if->core_global_regs->dptxfsiz_dieptxf[i]); -+ } -+ retval += error; -+ } -+ DWC_OTG_PARAM_SET_DEFAULT(thr_ctl); -+ DWC_OTG_PARAM_SET_DEFAULT(tx_thr_length); -+ DWC_OTG_PARAM_SET_DEFAULT(rx_thr_length); -+ return retval; -+} // check_parameters -+ -+ -+/** -+ * This function is the top level interrupt handler for the Common -+ * (Device and host modes) interrupts. -+ */ -+static irqreturn_t dwc_otg_common_irq(int _irq, void *_dev) -+{ -+ dwc_otg_device_t *otg_dev = _dev; -+ int32_t retval = IRQ_NONE; -+ -+ retval = dwc_otg_handle_common_intr( otg_dev->core_if ); -+ -+ mask_and_ack_ifx_irq (_irq); -+ -+ return IRQ_RETVAL(retval); -+} -+ -+ -+/** -+ * This function is called when a DWC_OTG device is unregistered with the -+ * dwc_otg_driver. This happens, for example, when the rmmod command is -+ * executed. The device may or may not be electrically present. If it is -+ * present, the driver stops device processing. Any resources used on behalf -+ * of this device are freed. -+ * -+ * @return -+ */ -+static int -+dwc_otg_driver_remove(struct platform_device *_dev) -+{ -+ //dwc_otg_device_t *otg_dev = dev_get_drvdata(&_dev->dev); -+ dwc_otg_device_t *otg_dev = platform_get_drvdata(_dev); -+ -+ DWC_DEBUGPL(DBG_ANY, "%s(%p)\n", __func__, _dev); -+ -+ if (otg_dev == NULL) { -+ /* Memory allocation for the dwc_otg_device failed. */ -+ return 0; -+ } -+ -+ /* -+ * Free the IRQ -+ */ -+ if (otg_dev->common_irq_installed) { -+ free_irq( otg_dev->irq, otg_dev ); -+ } -+ -+#ifndef DWC_DEVICE_ONLY -+ if (otg_dev->hcd != NULL) { -+ dwc_otg_hcd_remove(&_dev->dev); -+ } -+#endif -+ printk("after removehcd\n"); -+ -+// Note: Integrate HOST and DEVICE(Gadget) is not planned yet. -+#ifndef DWC_HOST_ONLY -+ if (otg_dev->pcd != NULL) { -+ dwc_otg_pcd_remove(otg_dev); -+ } -+#endif -+ if (otg_dev->core_if != NULL) { -+ dwc_otg_cil_remove( otg_dev->core_if ); -+ } -+ printk("after removecil\n"); -+ -+ /* -+ * Remove the device attributes -+ */ -+ dwc_otg_attr_remove(&_dev->dev); -+ printk("after removeattr\n"); -+ -+ /* -+ * Return the memory. -+ */ -+ if (otg_dev->base != NULL) { -+ iounmap(otg_dev->base); -+ } -+ if (otg_dev->phys_addr != 0) { -+ release_mem_region(otg_dev->phys_addr, otg_dev->base_len); -+ } -+ kfree(otg_dev); -+ -+ /* -+ * Clear the drvdata pointer. -+ */ -+ //dev_set_drvdata(&_dev->dev, 0); -+ platform_set_drvdata(_dev, 0); -+ return 0; -+} -+ -+/** -+ * This function is called when an DWC_OTG device is bound to a -+ * dwc_otg_driver. It creates the driver components required to -+ * control the device (CIL, HCD, and PCD) and it initializes the -+ * device. The driver components are stored in a dwc_otg_device -+ * structure. A reference to the dwc_otg_device is saved in the -+ * lm_device. This allows the driver to access the dwc_otg_device -+ * structure on subsequent calls to driver methods for this device. -+ * -+ * @return -+ */ -+static int __devinit -+dwc_otg_driver_probe(struct platform_device *_dev) -+{ -+ int retval = 0; -+ dwc_otg_device_t *dwc_otg_device; -+ int pin = (int)_dev->dev.platform_data; -+ int32_t snpsid; -+ struct resource *res; -+ gusbcfg_data_t usbcfg = {.d32 = 0}; -+ -+ // GPIOs -+ if(pin >= 0) -+ { -+ gpio_request(pin, "usb_power"); -+ gpio_direction_output(pin, 1); -+ gpio_set_value(pin, 1); -+ gpio_export(pin, 0); -+ } -+ dev_dbg(&_dev->dev, "dwc_otg_driver_probe (%p)\n", _dev); -+ -+ dwc_otg_device = kmalloc(sizeof(dwc_otg_device_t), GFP_KERNEL); -+ if (dwc_otg_device == 0) { -+ dev_err(&_dev->dev, "kmalloc of dwc_otg_device failed\n"); -+ retval = -ENOMEM; -+ goto fail; -+ } -+ memset(dwc_otg_device, 0, sizeof(*dwc_otg_device)); -+ dwc_otg_device->reg_offset = 0xFFFFFFFF; -+ -+ /* -+ * Retrieve the memory and IRQ resources. -+ */ -+ dwc_otg_device->irq = platform_get_irq(_dev, 0); -+ if (dwc_otg_device->irq == 0) { -+ dev_err(&_dev->dev, "no device irq\n"); -+ retval = -ENODEV; -+ goto fail; -+ } -+ dev_dbg(&_dev->dev, "OTG - device irq: %d\n", dwc_otg_device->irq); -+ res = platform_get_resource(_dev, IORESOURCE_MEM, 0); -+ if (res == NULL) { -+ dev_err(&_dev->dev, "no CSR address\n"); -+ retval = -ENODEV; -+ goto fail; -+ } -+ dev_dbg(&_dev->dev, "OTG - ioresource_mem start0x%08x: end:0x%08x\n", -+ (unsigned)res->start, (unsigned)res->end); -+ dwc_otg_device->phys_addr = res->start; -+ dwc_otg_device->base_len = res->end - res->start + 1; -+ if (request_mem_region(dwc_otg_device->phys_addr, dwc_otg_device->base_len, -+ dwc_driver_name) == NULL) { -+ dev_err(&_dev->dev, "request_mem_region failed\n"); -+ retval = -EBUSY; -+ goto fail; -+ } -+ -+ /* -+ * Map the DWC_otg Core memory into virtual address space. -+ */ -+ dwc_otg_device->base = ioremap_nocache(dwc_otg_device->phys_addr, dwc_otg_device->base_len); -+ if (dwc_otg_device->base == NULL) { -+ dev_err(&_dev->dev, "ioremap() failed\n"); -+ retval = -ENOMEM; -+ goto fail; -+ } -+ dev_dbg(&_dev->dev, "mapped base=0x%08x\n", (unsigned)dwc_otg_device->base); -+ -+ /* -+ * Attempt to ensure this device is really a DWC_otg Controller. -+ * Read and verify the SNPSID register contents. The value should be -+ * 0x45F42XXX, which corresponds to "OT2", as in "OTG version 2.XX". -+ */ -+ snpsid = dwc_read_reg32((uint32_t *)((uint8_t *)dwc_otg_device->base + 0x40)); -+ if ((snpsid & 0xFFFFF000) != 0x4F542000) { -+ dev_err(&_dev->dev, "Bad value for SNPSID: 0x%08x\n", snpsid); -+ retval = -EINVAL; -+ goto fail; -+ } -+ -+ /* -+ * Initialize driver data to point to the global DWC_otg -+ * Device structure. -+ */ -+ platform_set_drvdata(_dev, dwc_otg_device); -+ dev_dbg(&_dev->dev, "dwc_otg_device=0x%p\n", dwc_otg_device); -+ dwc_otg_device->core_if = dwc_otg_cil_init( dwc_otg_device->base, &dwc_otg_module_params); -+ if (dwc_otg_device->core_if == 0) { -+ dev_err(&_dev->dev, "CIL initialization failed!\n"); -+ retval = -ENOMEM; -+ goto fail; -+ } -+ -+ /* -+ * Validate parameter values. -+ */ -+ if (check_parameters(dwc_otg_device->core_if) != 0) { -+ retval = -EINVAL; -+ goto fail; -+ } -+ -+ /* Added for PLB DMA phys virt mapping */ -+ //dwc_otg_device->core_if->phys_addr = dwc_otg_device->phys_addr; -+ /* -+ * Create Device Attributes in sysfs -+ */ -+ dwc_otg_attr_create (&_dev->dev); -+ -+ /* -+ * Disable the global interrupt until all the interrupt -+ * handlers are installed. -+ */ -+ dwc_otg_disable_global_interrupts( dwc_otg_device->core_if ); -+ /* -+ * Install the interrupt handler for the common interrupts before -+ * enabling common interrupts in core_init below. -+ */ -+ DWC_DEBUGPL( DBG_CIL, "registering (common) handler for irq%d\n", dwc_otg_device->irq); -+ -+ retval = request_irq((unsigned int)dwc_otg_device->irq, dwc_otg_common_irq, -+ //SA_INTERRUPT|SA_SHIRQ, "dwc_otg", (void *)dwc_otg_device ); -+ IRQF_SHARED, "dwc_otg", (void *)dwc_otg_device ); -+ //IRQF_DISABLED, "dwc_otg", (void *)dwc_otg_device ); -+ if (retval != 0) { -+ DWC_ERROR("request of irq%d failed retval: %d\n", dwc_otg_device->irq, retval); -+ retval = -EBUSY; -+ goto fail; -+ } else { -+ dwc_otg_device->common_irq_installed = 1; -+ } -+ -+ /* -+ * Initialize the DWC_otg core. -+ */ -+ dwc_otg_core_init( dwc_otg_device->core_if ); -+ -+ -+#ifndef DWC_HOST_ONLY // otg device mode. (gadget.) -+ /* -+ * Initialize the PCD -+ */ -+ retval = dwc_otg_pcd_init(dwc_otg_device); -+ if (retval != 0) { -+ DWC_ERROR("dwc_otg_pcd_init failed\n"); -+ dwc_otg_device->pcd = NULL; -+ goto fail; -+ } -+#endif // DWC_HOST_ONLY -+ -+#ifndef DWC_DEVICE_ONLY // otg host mode. (HCD) -+ /* -+ * Initialize the HCD -+ */ -+#if 1 /*fscz*/ -+ /* force_host_mode */ -+ usbcfg.d32 = dwc_read_reg32(&dwc_otg_device->core_if->core_global_regs ->gusbcfg); -+ usbcfg.b.force_host_mode = 1; -+ dwc_write_reg32(&dwc_otg_device->core_if->core_global_regs ->gusbcfg, usbcfg.d32); -+#endif -+ retval = dwc_otg_hcd_init(&_dev->dev, dwc_otg_device); -+ if (retval != 0) { -+ DWC_ERROR("dwc_otg_hcd_init failed\n"); -+ dwc_otg_device->hcd = NULL; -+ goto fail; -+ } -+#endif // DWC_DEVICE_ONLY -+ -+ /* -+ * Enable the global interrupt after all the interrupt -+ * handlers are installed. -+ */ -+ dwc_otg_enable_global_interrupts( dwc_otg_device->core_if ); -+#if 0 /*fscz*/ -+ usbcfg.d32 = dwc_read_reg32(&dwc_otg_device->core_if->core_global_regs ->gusbcfg); -+ usbcfg.b.force_host_mode = 0; -+ dwc_write_reg32(&dwc_otg_device->core_if->core_global_regs ->gusbcfg, usbcfg.d32); -+#endif -+ -+ -+ return 0; -+ -+fail: -+ dwc_otg_driver_remove(_dev); -+ return retval; -+} -+ -+/** -+ * This structure defines the methods to be called by a bus driver -+ * during the lifecycle of a device on that bus. Both drivers and -+ * devices are registered with a bus driver. The bus driver matches -+ * devices to drivers based on information in the device and driver -+ * structures. -+ * -+ * The probe function is called when the bus driver matches a device -+ * to this driver. The remove function is called when a device is -+ * unregistered with the bus driver. -+ */ -+struct platform_driver dwc_otg_driver = { -+ .probe = dwc_otg_driver_probe, -+ .remove = dwc_otg_driver_remove, -+// .suspend = dwc_otg_driver_suspend, -+// .resume = dwc_otg_driver_resume, -+ .driver = { -+ .name = dwc_driver_name, -+ .owner = THIS_MODULE, -+ }, -+}; -+EXPORT_SYMBOL(dwc_otg_driver); -+ -+/** -+ * This function is called when the dwc_otg_driver is installed with the -+ * insmod command. It registers the dwc_otg_driver structure with the -+ * appropriate bus driver. This will cause the dwc_otg_driver_probe function -+ * to be called. In addition, the bus driver will automatically expose -+ * attributes defined for the device and driver in the special sysfs file -+ * system. -+ * -+ * @return -+ */ -+static int __init dwc_otg_init(void) -+{ -+ int retval = 0; -+ -+ printk(KERN_INFO "%s: version %s\n", dwc_driver_name, DWC_DRIVER_VERSION); -+ -+ // ifxmips setup -+ retval = ifx_usb_hc_init(dwc_iomem_base, dwc_irq); -+ if (retval < 0) -+ { -+ printk(KERN_ERR "%s retval=%d\n", __func__, retval); -+ return retval; -+ } -+ dwc_otg_power_on(); // ifx only!! -+ -+ -+ retval = platform_driver_register(&dwc_otg_driver); -+ -+ if (retval < 0) { -+ printk(KERN_ERR "%s retval=%d\n", __func__, retval); -+ goto error1; -+ } -+ -+ retval = driver_create_file(&dwc_otg_driver.driver, &driver_attr_version); -+ if (retval < 0) -+ { -+ printk(KERN_ERR "%s retval=%d\n", __func__, retval); -+ goto error2; -+ } -+ retval = driver_create_file(&dwc_otg_driver.driver, &driver_attr_debuglevel); -+ if (retval < 0) -+ { -+ printk(KERN_ERR "%s retval=%d\n", __func__, retval); -+ goto error3; -+ } -+ return retval; -+ -+ -+error3: -+ driver_remove_file(&dwc_otg_driver.driver, &driver_attr_version); -+error2: -+ driver_unregister(&dwc_otg_driver.driver); -+error1: -+ ifx_usb_hc_remove(); -+ return retval; -+} -+module_init(dwc_otg_init); -+ -+/** -+ * This function is called when the driver is removed from the kernel -+ * with the rmmod command. The driver unregisters itself with its bus -+ * driver. -+ * -+ */ -+static void __exit dwc_otg_cleanup(void) -+{ -+ printk(KERN_DEBUG "dwc_otg_cleanup()\n"); -+ -+ driver_remove_file(&dwc_otg_driver.driver, &driver_attr_debuglevel); -+ driver_remove_file(&dwc_otg_driver.driver, &driver_attr_version); -+ -+ platform_driver_unregister(&dwc_otg_driver); -+ ifx_usb_hc_remove(); -+ -+ printk(KERN_INFO "%s module removed\n", dwc_driver_name); -+} -+module_exit(dwc_otg_cleanup); -+ -+MODULE_DESCRIPTION(DWC_DRIVER_DESC); -+MODULE_AUTHOR("Synopsys Inc."); -+MODULE_LICENSE("GPL"); -+ -+module_param_named(otg_cap, dwc_otg_module_params.otg_cap, int, 0444); -+MODULE_PARM_DESC(otg_cap, "OTG Capabilities 0=HNP&SRP 1=SRP Only 2=None"); -+module_param_named(opt, dwc_otg_module_params.opt, int, 0444); -+MODULE_PARM_DESC(opt, "OPT Mode"); -+module_param_named(dma_enable, dwc_otg_module_params.dma_enable, int, 0444); -+MODULE_PARM_DESC(dma_enable, "DMA Mode 0=Slave 1=DMA enabled"); -+module_param_named(dma_burst_size, dwc_otg_module_params.dma_burst_size, int, 0444); -+MODULE_PARM_DESC(dma_burst_size, "DMA Burst Size 1, 4, 8, 16, 32, 64, 128, 256"); -+module_param_named(speed, dwc_otg_module_params.speed, int, 0444); -+MODULE_PARM_DESC(speed, "Speed 0=High Speed 1=Full Speed"); -+module_param_named(host_support_fs_ls_low_power, dwc_otg_module_params.host_support_fs_ls_low_power, int, 0444); -+MODULE_PARM_DESC(host_support_fs_ls_low_power, "Support Low Power w/FS or LS 0=Support 1=Don't Support"); -+module_param_named(host_ls_low_power_phy_clk, dwc_otg_module_params.host_ls_low_power_phy_clk, int, 0444); -+MODULE_PARM_DESC(host_ls_low_power_phy_clk, "Low Speed Low Power Clock 0=48Mhz 1=6Mhz"); -+module_param_named(enable_dynamic_fifo, dwc_otg_module_params.enable_dynamic_fifo, int, 0444); -+MODULE_PARM_DESC(enable_dynamic_fifo, "0=cC Setting 1=Allow Dynamic Sizing"); -+module_param_named(data_fifo_size, dwc_otg_module_params.data_fifo_size, int, 0444); -+MODULE_PARM_DESC(data_fifo_size, "Total number of words in the data FIFO memory 32-32768"); -+module_param_named(dev_rx_fifo_size, dwc_otg_module_params.dev_rx_fifo_size, int, 0444); -+MODULE_PARM_DESC(dev_rx_fifo_size, "Number of words in the Rx FIFO 16-32768"); -+module_param_named(dev_nperio_tx_fifo_size, dwc_otg_module_params.dev_nperio_tx_fifo_size, int, 0444); -+MODULE_PARM_DESC(dev_nperio_tx_fifo_size, "Number of words in the non-periodic Tx FIFO 16-32768"); -+module_param_named(dev_perio_tx_fifo_size_1, dwc_otg_module_params.dev_perio_tx_fifo_size[0], int, 0444); -+MODULE_PARM_DESC(dev_perio_tx_fifo_size_1, "Number of words in the periodic Tx FIFO 4-768"); -+module_param_named(dev_perio_tx_fifo_size_2, dwc_otg_module_params.dev_perio_tx_fifo_size[1], int, 0444); -+MODULE_PARM_DESC(dev_perio_tx_fifo_size_2, "Number of words in the periodic Tx FIFO 4-768"); -+module_param_named(dev_perio_tx_fifo_size_3, dwc_otg_module_params.dev_perio_tx_fifo_size[2], int, 0444); -+MODULE_PARM_DESC(dev_perio_tx_fifo_size_3, "Number of words in the periodic Tx FIFO 4-768"); -+module_param_named(dev_perio_tx_fifo_size_4, dwc_otg_module_params.dev_perio_tx_fifo_size[3], int, 0444); -+MODULE_PARM_DESC(dev_perio_tx_fifo_size_4, "Number of words in the periodic Tx FIFO 4-768"); -+module_param_named(dev_perio_tx_fifo_size_5, dwc_otg_module_params.dev_perio_tx_fifo_size[4], int, 0444); -+MODULE_PARM_DESC(dev_perio_tx_fifo_size_5, "Number of words in the periodic Tx FIFO 4-768"); -+module_param_named(dev_perio_tx_fifo_size_6, dwc_otg_module_params.dev_perio_tx_fifo_size[5], int, 0444); -+MODULE_PARM_DESC(dev_perio_tx_fifo_size_6, "Number of words in the periodic Tx FIFO 4-768"); -+module_param_named(dev_perio_tx_fifo_size_7, dwc_otg_module_params.dev_perio_tx_fifo_size[6], int, 0444); -+MODULE_PARM_DESC(dev_perio_tx_fifo_size_7, "Number of words in the periodic Tx FIFO 4-768"); -+module_param_named(dev_perio_tx_fifo_size_8, dwc_otg_module_params.dev_perio_tx_fifo_size[7], int, 0444); -+MODULE_PARM_DESC(dev_perio_tx_fifo_size_8, "Number of words in the periodic Tx FIFO 4-768"); -+module_param_named(dev_perio_tx_fifo_size_9, dwc_otg_module_params.dev_perio_tx_fifo_size[8], int, 0444); -+MODULE_PARM_DESC(dev_perio_tx_fifo_size_9, "Number of words in the periodic Tx FIFO 4-768"); -+module_param_named(dev_perio_tx_fifo_size_10, dwc_otg_module_params.dev_perio_tx_fifo_size[9], int, 0444); -+MODULE_PARM_DESC(dev_perio_tx_fifo_size_10, "Number of words in the periodic Tx FIFO 4-768"); -+module_param_named(dev_perio_tx_fifo_size_11, dwc_otg_module_params.dev_perio_tx_fifo_size[10], int, 0444); -+MODULE_PARM_DESC(dev_perio_tx_fifo_size_11, "Number of words in the periodic Tx FIFO 4-768"); -+module_param_named(dev_perio_tx_fifo_size_12, dwc_otg_module_params.dev_perio_tx_fifo_size[11], int, 0444); -+MODULE_PARM_DESC(dev_perio_tx_fifo_size_12, "Number of words in the periodic Tx FIFO 4-768"); -+module_param_named(dev_perio_tx_fifo_size_13, dwc_otg_module_params.dev_perio_tx_fifo_size[12], int, 0444); -+MODULE_PARM_DESC(dev_perio_tx_fifo_size_13, "Number of words in the periodic Tx FIFO 4-768"); -+module_param_named(dev_perio_tx_fifo_size_14, dwc_otg_module_params.dev_perio_tx_fifo_size[13], int, 0444); -+MODULE_PARM_DESC(dev_perio_tx_fifo_size_14, "Number of words in the periodic Tx FIFO 4-768"); -+module_param_named(dev_perio_tx_fifo_size_15, dwc_otg_module_params.dev_perio_tx_fifo_size[14], int, 0444); -+MODULE_PARM_DESC(dev_perio_tx_fifo_size_15, "Number of words in the periodic Tx FIFO 4-768"); -+module_param_named(host_rx_fifo_size, dwc_otg_module_params.host_rx_fifo_size, int, 0444); -+MODULE_PARM_DESC(host_rx_fifo_size, "Number of words in the Rx FIFO 16-32768"); -+module_param_named(host_nperio_tx_fifo_size, dwc_otg_module_params.host_nperio_tx_fifo_size, int, 0444); -+MODULE_PARM_DESC(host_nperio_tx_fifo_size, "Number of words in the non-periodic Tx FIFO 16-32768"); -+module_param_named(host_perio_tx_fifo_size, dwc_otg_module_params.host_perio_tx_fifo_size, int, 0444); -+MODULE_PARM_DESC(host_perio_tx_fifo_size, "Number of words in the host periodic Tx FIFO 16-32768"); -+module_param_named(max_transfer_size, dwc_otg_module_params.max_transfer_size, int, 0444); -+/** @todo Set the max to 512K, modify checks */ -+MODULE_PARM_DESC(max_transfer_size, "The maximum transfer size supported in bytes 2047-65535"); -+module_param_named(max_packet_count, dwc_otg_module_params.max_packet_count, int, 0444); -+MODULE_PARM_DESC(max_packet_count, "The maximum number of packets in a transfer 15-511"); -+module_param_named(host_channels, dwc_otg_module_params.host_channels, int, 0444); -+MODULE_PARM_DESC(host_channels, "The number of host channel registers to use 1-16"); -+module_param_named(dev_endpoints, dwc_otg_module_params.dev_endpoints, int, 0444); -+MODULE_PARM_DESC(dev_endpoints, "The number of endpoints in addition to EP0 available for device mode 1-15"); -+module_param_named(phy_type, dwc_otg_module_params.phy_type, int, 0444); -+MODULE_PARM_DESC(phy_type, "0=Reserved 1=UTMI+ 2=ULPI"); -+module_param_named(phy_utmi_width, dwc_otg_module_params.phy_utmi_width, int, 0444); -+MODULE_PARM_DESC(phy_utmi_width, "Specifies the UTMI+ Data Width 8 or 16 bits"); -+module_param_named(phy_ulpi_ddr, dwc_otg_module_params.phy_ulpi_ddr, int, 0444); -+MODULE_PARM_DESC(phy_ulpi_ddr, "ULPI at double or single data rate 0=Single 1=Double"); -+module_param_named(phy_ulpi_ext_vbus, dwc_otg_module_params.phy_ulpi_ext_vbus, int, 0444); -+MODULE_PARM_DESC(phy_ulpi_ext_vbus, "ULPI PHY using internal or external vbus 0=Internal"); -+module_param_named(i2c_enable, dwc_otg_module_params.i2c_enable, int, 0444); -+MODULE_PARM_DESC(i2c_enable, "FS PHY Interface"); -+module_param_named(ulpi_fs_ls, dwc_otg_module_params.ulpi_fs_ls, int, 0444); -+MODULE_PARM_DESC(ulpi_fs_ls, "ULPI PHY FS/LS mode only"); -+module_param_named(ts_dline, dwc_otg_module_params.ts_dline, int, 0444); -+MODULE_PARM_DESC(ts_dline, "Term select Dline pulsing for all PHYs"); -+module_param_named(debug, g_dbg_lvl, int, 0444); -+MODULE_PARM_DESC(debug, "0"); -+module_param_named(en_multiple_tx_fifo, -+ dwc_otg_module_params.en_multiple_tx_fifo, int, 0444); -+MODULE_PARM_DESC(en_multiple_tx_fifo, -+ "Dedicated Non Periodic Tx FIFOs 0=disabled 1=enabled"); -+module_param_named(dev_tx_fifo_size_1, -+ dwc_otg_module_params.dev_tx_fifo_size[0], int, 0444); -+MODULE_PARM_DESC(dev_tx_fifo_size_1, "Number of words in the Tx FIFO 4-768"); -+module_param_named(dev_tx_fifo_size_2, -+ dwc_otg_module_params.dev_tx_fifo_size[1], int, 0444); -+MODULE_PARM_DESC(dev_tx_fifo_size_2, "Number of words in the Tx FIFO 4-768"); -+module_param_named(dev_tx_fifo_size_3, -+ dwc_otg_module_params.dev_tx_fifo_size[2], int, 0444); -+MODULE_PARM_DESC(dev_tx_fifo_size_3, "Number of words in the Tx FIFO 4-768"); -+module_param_named(dev_tx_fifo_size_4, -+ dwc_otg_module_params.dev_tx_fifo_size[3], int, 0444); -+MODULE_PARM_DESC(dev_tx_fifo_size_4, "Number of words in the Tx FIFO 4-768"); -+module_param_named(dev_tx_fifo_size_5, -+ dwc_otg_module_params.dev_tx_fifo_size[4], int, 0444); -+MODULE_PARM_DESC(dev_tx_fifo_size_5, "Number of words in the Tx FIFO 4-768"); -+module_param_named(dev_tx_fifo_size_6, -+ dwc_otg_module_params.dev_tx_fifo_size[5], int, 0444); -+MODULE_PARM_DESC(dev_tx_fifo_size_6, "Number of words in the Tx FIFO 4-768"); -+module_param_named(dev_tx_fifo_size_7, -+ dwc_otg_module_params.dev_tx_fifo_size[6], int, 0444); -+MODULE_PARM_DESC(dev_tx_fifo_size_7, "Number of words in the Tx FIFO 4-768"); -+module_param_named(dev_tx_fifo_size_8, -+ dwc_otg_module_params.dev_tx_fifo_size[7], int, 0444); -+MODULE_PARM_DESC(dev_tx_fifo_size_8, "Number of words in the Tx FIFO 4-768"); -+module_param_named(dev_tx_fifo_size_9, -+ dwc_otg_module_params.dev_tx_fifo_size[8], int, 0444); -+MODULE_PARM_DESC(dev_tx_fifo_size_9, "Number of words in the Tx FIFO 4-768"); -+module_param_named(dev_tx_fifo_size_10, -+ dwc_otg_module_params.dev_tx_fifo_size[9], int, 0444); -+MODULE_PARM_DESC(dev_tx_fifo_size_10, "Number of words in the Tx FIFO 4-768"); -+module_param_named(dev_tx_fifo_size_11, -+ dwc_otg_module_params.dev_tx_fifo_size[10], int, 0444); -+MODULE_PARM_DESC(dev_tx_fifo_size_11, "Number of words in the Tx FIFO 4-768"); -+module_param_named(dev_tx_fifo_size_12, -+ dwc_otg_module_params.dev_tx_fifo_size[11], int, 0444); -+MODULE_PARM_DESC(dev_tx_fifo_size_12, "Number of words in the Tx FIFO 4-768"); -+module_param_named(dev_tx_fifo_size_13, -+ dwc_otg_module_params.dev_tx_fifo_size[12], int, 0444); -+MODULE_PARM_DESC(dev_tx_fifo_size_13, "Number of words in the Tx FIFO 4-768"); -+module_param_named(dev_tx_fifo_size_14, -+ dwc_otg_module_params.dev_tx_fifo_size[13], int, 0444); -+MODULE_PARM_DESC(dev_tx_fifo_size_14, "Number of words in the Tx FIFO 4-768"); -+module_param_named(dev_tx_fifo_size_15, -+ dwc_otg_module_params.dev_tx_fifo_size[14], int, 0444); -+MODULE_PARM_DESC(dev_tx_fifo_size_15, "Number of words in the Tx FIFO 4-768"); -+module_param_named(thr_ctl, dwc_otg_module_params.thr_ctl, int, 0444); -+MODULE_PARM_DESC(thr_ctl, "Thresholding enable flag bit" -+ "0 - non ISO Tx thr., 1 - ISO Tx thr., 2 - Rx thr.- bit 0=disabled 1=enabled"); -+module_param_named(tx_thr_length, dwc_otg_module_params.tx_thr_length, int, 0444); -+MODULE_PARM_DESC(tx_thr_length, "Tx Threshold length in 32 bit DWORDs"); -+module_param_named(rx_thr_length, dwc_otg_module_params.rx_thr_length, int, 0444); -+MODULE_PARM_DESC(rx_thr_length, "Rx Threshold length in 32 bit DWORDs"); -+module_param_named (iomem_base, dwc_iomem_base, ulong, 0444); -+MODULE_PARM_DESC (dwc_iomem_base, "The base address of the DWC_OTG register."); -+module_param_named (irq, dwc_irq, int, 0444); -+MODULE_PARM_DESC (dwc_irq, "The interrupt number"); -+ -+/** @page "Module Parameters" -+ * -+ * The following parameters may be specified when starting the module. -+ * These parameters define how the DWC_otg controller should be -+ * configured. Parameter values are passed to the CIL initialization -+ * function dwc_otg_cil_init -+ * -+ * Example: <code>modprobe dwc_otg speed=1 otg_cap=1</code> -+ * -+ -+ <table> -+ <tr><td>Parameter Name</td><td>Meaning</td></tr> -+ -+ <tr> -+ <td>otg_cap</td> -+ <td>Specifies the OTG capabilities. The driver will automatically detect the -+ value for this parameter if none is specified. -+ - 0: HNP and SRP capable (default, if available) -+ - 1: SRP Only capable -+ - 2: No HNP/SRP capable -+ </td></tr> -+ -+ <tr> -+ <td>dma_enable</td> -+ <td>Specifies whether to use slave or DMA mode for accessing the data FIFOs. -+ The driver will automatically detect the value for this parameter if none is -+ specified. -+ - 0: Slave -+ - 1: DMA (default, if available) -+ </td></tr> -+ -+ <tr> -+ <td>dma_burst_size</td> -+ <td>The DMA Burst size (applicable only for External DMA Mode). -+ - Values: 1, 4, 8 16, 32, 64, 128, 256 (default 32) -+ </td></tr> -+ -+ <tr> -+ <td>speed</td> -+ <td>Specifies the maximum speed of operation in host and device mode. The -+ actual speed depends on the speed of the attached device and the value of -+ phy_type. -+ - 0: High Speed (default) -+ - 1: Full Speed -+ </td></tr> -+ -+ <tr> -+ <td>host_support_fs_ls_low_power</td> -+ <td>Specifies whether low power mode is supported when attached to a Full -+ Speed or Low Speed device in host mode. -+ - 0: Don't support low power mode (default) -+ - 1: Support low power mode -+ </td></tr> -+ -+ <tr> -+ <td>host_ls_low_power_phy_clk</td> -+ <td>Specifies the PHY clock rate in low power mode when connected to a Low -+ Speed device in host mode. This parameter is applicable only if -+ HOST_SUPPORT_FS_LS_LOW_POWER is enabled. -+ - 0: 48 MHz (default) -+ - 1: 6 MHz -+ </td></tr> -+ -+ <tr> -+ <td>enable_dynamic_fifo</td> -+ <td> Specifies whether FIFOs may be resized by the driver software. -+ - 0: Use cC FIFO size parameters -+ - 1: Allow dynamic FIFO sizing (default) -+ </td></tr> -+ -+ <tr> -+ <td>data_fifo_size</td> -+ <td>Total number of 4-byte words in the data FIFO memory. This memory -+ includes the Rx FIFO, non-periodic Tx FIFO, and periodic Tx FIFOs. -+ - Values: 32 to 32768 (default 8192) -+ -+ Note: The total FIFO memory depth in the FPGA configuration is 8192. -+ </td></tr> -+ -+ <tr> -+ <td>dev_rx_fifo_size</td> -+ <td>Number of 4-byte words in the Rx FIFO in device mode when dynamic -+ FIFO sizing is enabled. -+ - Values: 16 to 32768 (default 1064) -+ </td></tr> -+ -+ <tr> -+ <td>dev_nperio_tx_fifo_size</td> -+ <td>Number of 4-byte words in the non-periodic Tx FIFO in device mode when -+ dynamic FIFO sizing is enabled. -+ - Values: 16 to 32768 (default 1024) -+ </td></tr> -+ -+ <tr> -+ <td>dev_perio_tx_fifo_size_n (n = 1 to 15)</td> -+ <td>Number of 4-byte words in each of the periodic Tx FIFOs in device mode -+ when dynamic FIFO sizing is enabled. -+ - Values: 4 to 768 (default 256) -+ </td></tr> -+ -+ <tr> -+ <td>host_rx_fifo_size</td> -+ <td>Number of 4-byte words in the Rx FIFO in host mode when dynamic FIFO -+ sizing is enabled. -+ - Values: 16 to 32768 (default 1024) -+ </td></tr> -+ -+ <tr> -+ <td>host_nperio_tx_fifo_size</td> -+ <td>Number of 4-byte words in the non-periodic Tx FIFO in host mode when -+ dynamic FIFO sizing is enabled in the core. -+ - Values: 16 to 32768 (default 1024) -+ </td></tr> -+ -+ <tr> -+ <td>host_perio_tx_fifo_size</td> -+ <td>Number of 4-byte words in the host periodic Tx FIFO when dynamic FIFO -+ sizing is enabled. -+ - Values: 16 to 32768 (default 1024) -+ </td></tr> -+ -+ <tr> -+ <td>max_transfer_size</td> -+ <td>The maximum transfer size supported in bytes. -+ - Values: 2047 to 65,535 (default 65,535) -+ </td></tr> -+ -+ <tr> -+ <td>max_packet_count</td> -+ <td>The maximum number of packets in a transfer. -+ - Values: 15 to 511 (default 511) -+ </td></tr> -+ -+ <tr> -+ <td>host_channels</td> -+ <td>The number of host channel registers to use. -+ - Values: 1 to 16 (default 12) -+ -+ Note: The FPGA configuration supports a maximum of 12 host channels. -+ </td></tr> -+ -+ <tr> -+ <td>dev_endpoints</td> -+ <td>The number of endpoints in addition to EP0 available for device mode -+ operations. -+ - Values: 1 to 15 (default 6 IN and OUT) -+ -+ Note: The FPGA configuration supports a maximum of 6 IN and OUT endpoints in -+ addition to EP0. -+ </td></tr> -+ -+ <tr> -+ <td>phy_type</td> -+ <td>Specifies the type of PHY interface to use. By default, the driver will -+ automatically detect the phy_type. -+ - 0: Full Speed -+ - 1: UTMI+ (default, if available) -+ - 2: ULPI -+ </td></tr> -+ -+ <tr> -+ <td>phy_utmi_width</td> -+ <td>Specifies the UTMI+ Data Width. This parameter is applicable for a -+ phy_type of UTMI+. Also, this parameter is applicable only if the -+ OTG_HSPHY_WIDTH cC parameter was set to "8 and 16 bits", meaning that the -+ core has been configured to work at either data path width. -+ - Values: 8 or 16 bits (default 16) -+ </td></tr> -+ -+ <tr> -+ <td>phy_ulpi_ddr</td> -+ <td>Specifies whether the ULPI operates at double or single data rate. This -+ parameter is only applicable if phy_type is ULPI. -+ - 0: single data rate ULPI interface with 8 bit wide data bus (default) -+ - 1: double data rate ULPI interface with 4 bit wide data bus -+ </td></tr> -+ -+ <tr> -+ <td>i2c_enable</td> -+ <td>Specifies whether to use the I2C interface for full speed PHY. This -+ parameter is only applicable if PHY_TYPE is FS. -+ - 0: Disabled (default) -+ - 1: Enabled -+ </td></tr> -+ -+ <tr> -+ <td>otg_en_multiple_tx_fifo</td> -+ <td>Specifies whether dedicatedto tx fifos are enabled for non periodic IN EPs. -+ The driver will automatically detect the value for this parameter if none is -+ specified. -+ - 0: Disabled -+ - 1: Enabled (default, if available) -+ </td></tr> -+ -+ <tr> -+ <td>dev_tx_fifo_size_n (n = 1 to 15)</td> -+ <td>Number of 4-byte words in each of the Tx FIFOs in device mode -+ when dynamic FIFO sizing is enabled. -+ - Values: 4 to 768 (default 256) -+ </td></tr> -+ -+*/ ---- /dev/null -+++ b/drivers/usb/dwc_otg/dwc_otg_driver.h -@@ -0,0 +1,84 @@ -+/* ========================================================================== -+ * $File: //dwh/usb_iip/dev/software/otg_ipmate/linux/drivers/dwc_otg_driver.h $ -+ * $Revision: 1.1.1.1 $ -+ * $Date: 2009-04-17 06:15:34 $ -+ * $Change: 510275 $ -+ * -+ * Synopsys HS OTG Linux Software Driver and documentation (hereinafter, -+ * "Software") is an Unsupported proprietary work of Synopsys, Inc. unless -+ * otherwise expressly agreed to in writing between Synopsys and you. -+ * -+ * The Software IS NOT an item of Licensed Software or Licensed Product under -+ * any End User Software License Agreement or Agreement for Licensed Product -+ * with Synopsys or any supplement thereto. You are permitted to use and -+ * redistribute this Software in source and binary forms, with or without -+ * modification, provided that redistributions of source code must retain this -+ * notice. You may not view, use, disclose, copy or distribute this file or -+ * any information contained herein except pursuant to this license grant from -+ * Synopsys. If you do not agree with this notice, including the disclaimer -+ * below, then you are not authorized to use the Software. -+ * -+ * THIS SOFTWARE IS BEING DISTRIBUTED BY SYNOPSYS SOLELY ON AN "AS IS" BASIS -+ * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE -+ * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE -+ * ARE HEREBY DISCLAIMED. IN NO EVENT SHALL SYNOPSYS BE LIABLE FOR ANY DIRECT, -+ * INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES -+ * (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR -+ * SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER -+ * CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT -+ * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY -+ * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH -+ * DAMAGE. -+ * ========================================================================== */ -+ -+#if !defined(__DWC_OTG_DRIVER_H__) -+#define __DWC_OTG_DRIVER_H__ -+ -+/** @file -+ * This file contains the interface to the Linux driver. -+ */ -+#include "dwc_otg_cil.h" -+ -+/* Type declarations */ -+struct dwc_otg_pcd; -+struct dwc_otg_hcd; -+ -+/** -+ * This structure is a wrapper that encapsulates the driver components used to -+ * manage a single DWC_otg controller. -+ */ -+typedef struct dwc_otg_device -+{ -+ /** Base address returned from ioremap() */ -+ void *base; -+ -+ /** Pointer to the core interface structure. */ -+ dwc_otg_core_if_t *core_if; -+ -+ /** Register offset for Diagnostic API.*/ -+ uint32_t reg_offset; -+ -+ /** Pointer to the PCD structure. */ -+ struct dwc_otg_pcd *pcd; -+ -+ /** Pointer to the HCD structure. */ -+ struct dwc_otg_hcd *hcd; -+ -+ /** Flag to indicate whether the common IRQ handler is installed. */ -+ uint8_t common_irq_installed; -+ -+ /** Interrupt request number. */ -+ unsigned int irq; -+ -+ /** Physical address of Control and Status registers, used by -+ * release_mem_region(). -+ */ -+ resource_size_t phys_addr; -+ -+ /** Length of memory region, used by release_mem_region(). */ -+ unsigned long base_len; -+} dwc_otg_device_t; -+ -+//#define dev_dbg(fake, format, arg...) printk(KERN_CRIT __FILE__ ":%d: " format "\n" , __LINE__, ## arg) -+ -+#endif ---- /dev/null -+++ b/drivers/usb/dwc_otg/dwc_otg_hcd.c -@@ -0,0 +1,2870 @@ -+/* ========================================================================== -+ * $File: //dwh/usb_iip/dev/software/otg_ipmate/linux/drivers/dwc_otg_hcd.c $ -+ * $Revision: 1.1.1.1 $ -+ * $Date: 2009-04-17 06:15:34 $ -+ * $Change: 631780 $ -+ * -+ * Synopsys HS OTG Linux Software Driver and documentation (hereinafter, -+ * "Software") is an Unsupported proprietary work of Synopsys, Inc. unless -+ * otherwise expressly agreed to in writing between Synopsys and you. -+ * -+ * The Software IS NOT an item of Licensed Software or Licensed Product under -+ * any End User Software License Agreement or Agreement for Licensed Product -+ * with Synopsys or any supplement thereto. You are permitted to use and -+ * redistribute this Software in source and binary forms, with or without -+ * modification, provided that redistributions of source code must retain this -+ * notice. You may not view, use, disclose, copy or distribute this file or -+ * any information contained herein except pursuant to this license grant from -+ * Synopsys. If you do not agree with this notice, including the disclaimer -+ * below, then you are not authorized to use the Software. -+ * -+ * THIS SOFTWARE IS BEING DISTRIBUTED BY SYNOPSYS SOLELY ON AN "AS IS" BASIS -+ * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE -+ * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE -+ * ARE HEREBY DISCLAIMED. IN NO EVENT SHALL SYNOPSYS BE LIABLE FOR ANY DIRECT, -+ * INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES -+ * (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR -+ * SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER -+ * CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT -+ * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY -+ * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH -+ * DAMAGE. -+ * ========================================================================== */ -+#ifndef DWC_DEVICE_ONLY -+ -+/** -+ * @file -+ * -+ * This file contains the implementation of the HCD. In Linux, the HCD -+ * implements the hc_driver API. -+ */ -+#include <linux/kernel.h> -+#include <linux/module.h> -+#include <linux/moduleparam.h> -+#include <linux/init.h> -+ -+#include <linux/device.h> -+ -+#include <linux/errno.h> -+#include <linux/list.h> -+#include <linux/interrupt.h> -+#include <linux/string.h> -+ -+#include <linux/dma-mapping.h> -+ -+#include "dwc_otg_driver.h" -+#include "dwc_otg_hcd.h" -+#include "dwc_otg_regs.h" -+ -+#include <asm/irq.h> -+#include "dwc_otg_ifx.h" // for Infineon platform specific. -+extern atomic_t release_later; -+ -+static u64 dma_mask = DMA_BIT_MASK(32); -+ -+static const char dwc_otg_hcd_name [] = "dwc_otg_hcd"; -+static const struct hc_driver dwc_otg_hc_driver = -+{ -+ .description = dwc_otg_hcd_name, -+ .product_desc = "DWC OTG Controller", -+ .hcd_priv_size = sizeof(dwc_otg_hcd_t), -+ .irq = dwc_otg_hcd_irq, -+ .flags = HCD_MEMORY | HCD_USB2, -+ //.reset = -+ .start = dwc_otg_hcd_start, -+ //.suspend = -+ //.resume = -+ .stop = dwc_otg_hcd_stop, -+ .urb_enqueue = dwc_otg_hcd_urb_enqueue, -+ .urb_dequeue = dwc_otg_hcd_urb_dequeue, -+ .endpoint_disable = dwc_otg_hcd_endpoint_disable, -+ .get_frame_number = dwc_otg_hcd_get_frame_number, -+ .hub_status_data = dwc_otg_hcd_hub_status_data, -+ .hub_control = dwc_otg_hcd_hub_control, -+ //.hub_suspend = -+ //.hub_resume = -+}; -+ -+ -+/** -+ * Work queue function for starting the HCD when A-Cable is connected. -+ * The dwc_otg_hcd_start() must be called in a process context. -+ */ -+static void hcd_start_func(struct work_struct *work) -+{ -+ struct dwc_otg_hcd *priv = -+ container_of(work, struct dwc_otg_hcd, start_work); -+ struct usb_hcd *usb_hcd = (struct usb_hcd *)priv->_p; -+ DWC_DEBUGPL(DBG_HCDV, "%s() %p\n", __func__, usb_hcd); -+ if (usb_hcd) { -+ dwc_otg_hcd_start(usb_hcd); -+ } -+} -+ -+ -+/** -+ * HCD Callback function for starting the HCD when A-Cable is -+ * connected. -+ * -+ * @param _p void pointer to the <code>struct usb_hcd</code> -+ */ -+static int32_t dwc_otg_hcd_start_cb(void *_p) -+{ -+ dwc_otg_hcd_t *dwc_otg_hcd = hcd_to_dwc_otg_hcd(_p); -+ dwc_otg_core_if_t *core_if = dwc_otg_hcd->core_if; -+ hprt0_data_t hprt0; -+ if (core_if->op_state == B_HOST) { -+ /* -+ * Reset the port. During a HNP mode switch the reset -+ * needs to occur within 1ms and have a duration of at -+ * least 50ms. -+ */ -+ hprt0.d32 = dwc_otg_read_hprt0 (core_if); -+ hprt0.b.prtrst = 1; -+ dwc_write_reg32(core_if->host_if->hprt0, hprt0.d32); -+ ((struct usb_hcd *)_p)->self.is_b_host = 1; -+ } else { -+ ((struct usb_hcd *)_p)->self.is_b_host = 0; -+ } -+ /* Need to start the HCD in a non-interrupt context. */ -+ INIT_WORK(&dwc_otg_hcd->start_work, hcd_start_func); -+ dwc_otg_hcd->_p = _p; -+ schedule_work(&dwc_otg_hcd->start_work); -+ return 1; -+} -+ -+ -+/** -+ * HCD Callback function for stopping the HCD. -+ * -+ * @param _p void pointer to the <code>struct usb_hcd</code> -+ */ -+static int32_t dwc_otg_hcd_stop_cb( void *_p ) -+{ -+ struct usb_hcd *usb_hcd = (struct usb_hcd *)_p; -+ DWC_DEBUGPL(DBG_HCDV, "%s(%p)\n", __func__, _p); -+ dwc_otg_hcd_stop( usb_hcd ); -+ return 1; -+} -+static void del_xfer_timers(dwc_otg_hcd_t *_hcd) -+{ -+#ifdef DEBUG -+ int i; -+ int num_channels = _hcd->core_if->core_params->host_channels; -+ for (i = 0; i < num_channels; i++) { -+ del_timer(&_hcd->core_if->hc_xfer_timer[i]); -+ } -+#endif /* */ -+} -+ -+static void del_timers(dwc_otg_hcd_t *_hcd) -+{ -+ del_xfer_timers(_hcd); -+ del_timer(&_hcd->conn_timer); -+} -+ -+/** -+ * Processes all the URBs in a single list of QHs. Completes them with -+ * -ETIMEDOUT and frees the QTD. -+ */ -+static void kill_urbs_in_qh_list(dwc_otg_hcd_t * _hcd, -+ struct list_head *_qh_list) -+{ -+ struct list_head *qh_item; -+ dwc_otg_qh_t *qh; -+ struct list_head *qtd_item; -+ dwc_otg_qtd_t *qtd; -+ -+ list_for_each(qh_item, _qh_list) { -+ qh = list_entry(qh_item, dwc_otg_qh_t, qh_list_entry); -+ for (qtd_item = qh->qtd_list.next; qtd_item != &qh->qtd_list; -+ qtd_item = qh->qtd_list.next) { -+ qtd = list_entry(qtd_item, dwc_otg_qtd_t, qtd_list_entry); -+ if (qtd->urb != NULL) { -+ dwc_otg_hcd_complete_urb(_hcd, qtd->urb,-ETIMEDOUT); -+ } -+ dwc_otg_hcd_qtd_remove_and_free(qtd); -+ } -+ } -+} -+ -+/** -+ * Responds with an error status of ETIMEDOUT to all URBs in the non-periodic -+ * and periodic schedules. The QTD associated with each URB is removed from -+ * the schedule and freed. This function may be called when a disconnect is -+ * detected or when the HCD is being stopped. -+ */ -+static void kill_all_urbs(dwc_otg_hcd_t *_hcd) -+{ -+ kill_urbs_in_qh_list(_hcd, &_hcd->non_periodic_sched_deferred); -+ kill_urbs_in_qh_list(_hcd, &_hcd->non_periodic_sched_inactive); -+ kill_urbs_in_qh_list(_hcd, &_hcd->non_periodic_sched_active); -+ kill_urbs_in_qh_list(_hcd, &_hcd->periodic_sched_inactive); -+ kill_urbs_in_qh_list(_hcd, &_hcd->periodic_sched_ready); -+ kill_urbs_in_qh_list(_hcd, &_hcd->periodic_sched_assigned); -+ kill_urbs_in_qh_list(_hcd, &_hcd->periodic_sched_queued); -+} -+ -+/** -+ * HCD Callback function for disconnect of the HCD. -+ * -+ * @param _p void pointer to the <code>struct usb_hcd</code> -+ */ -+static int32_t dwc_otg_hcd_disconnect_cb( void *_p ) -+{ -+ gintsts_data_t intr; -+ dwc_otg_hcd_t *dwc_otg_hcd = hcd_to_dwc_otg_hcd (_p); -+ -+ DWC_DEBUGPL(DBG_HCDV, "%s(%p)\n", __func__, _p); -+ -+ /* -+ * Set status flags for the hub driver. -+ */ -+ dwc_otg_hcd->flags.b.port_connect_status_change = 1; -+ dwc_otg_hcd->flags.b.port_connect_status = 0; -+ -+ /* -+ * Shutdown any transfers in process by clearing the Tx FIFO Empty -+ * interrupt mask and status bits and disabling subsequent host -+ * channel interrupts. -+ */ -+ intr.d32 = 0; -+ intr.b.nptxfempty = 1; -+ intr.b.ptxfempty = 1; -+ intr.b.hcintr = 1; -+ dwc_modify_reg32 (&dwc_otg_hcd->core_if->core_global_regs->gintmsk, intr.d32, 0); -+ dwc_modify_reg32 (&dwc_otg_hcd->core_if->core_global_regs->gintsts, intr.d32, 0); -+ -+ del_timers(dwc_otg_hcd); -+ -+ /* -+ * Turn off the vbus power only if the core has transitioned to device -+ * mode. If still in host mode, need to keep power on to detect a -+ * reconnection. -+ */ -+ if (dwc_otg_is_device_mode(dwc_otg_hcd->core_if)) { -+ if (dwc_otg_hcd->core_if->op_state != A_SUSPEND) { -+ hprt0_data_t hprt0 = { .d32=0 }; -+ DWC_PRINT("Disconnect: PortPower off\n"); -+ hprt0.b.prtpwr = 0; -+ dwc_write_reg32(dwc_otg_hcd->core_if->host_if->hprt0, hprt0.d32); -+ } -+ -+ dwc_otg_disable_host_interrupts( dwc_otg_hcd->core_if ); -+ } -+ -+ /* Respond with an error status to all URBs in the schedule. */ -+ kill_all_urbs(dwc_otg_hcd); -+ -+ if (dwc_otg_is_host_mode(dwc_otg_hcd->core_if)) { -+ /* Clean up any host channels that were in use. */ -+ int num_channels; -+ int i; -+ dwc_hc_t *channel; -+ dwc_otg_hc_regs_t *hc_regs; -+ hcchar_data_t hcchar; -+ -+ num_channels = dwc_otg_hcd->core_if->core_params->host_channels; -+ -+ if (!dwc_otg_hcd->core_if->dma_enable) { -+ /* Flush out any channel requests in slave mode. */ -+ for (i = 0; i < num_channels; i++) { -+ channel = dwc_otg_hcd->hc_ptr_array[i]; -+ if (list_empty(&channel->hc_list_entry)) { -+ hc_regs = dwc_otg_hcd->core_if->host_if->hc_regs[i]; -+ hcchar.d32 = dwc_read_reg32(&hc_regs->hcchar); -+ if (hcchar.b.chen) { -+ hcchar.b.chen = 0; -+ hcchar.b.chdis = 1; -+ hcchar.b.epdir = 0; -+ dwc_write_reg32(&hc_regs->hcchar, hcchar.d32); -+ } -+ } -+ } -+ } -+ -+ for (i = 0; i < num_channels; i++) { -+ channel = dwc_otg_hcd->hc_ptr_array[i]; -+ if (list_empty(&channel->hc_list_entry)) { -+ hc_regs = dwc_otg_hcd->core_if->host_if->hc_regs[i]; -+ hcchar.d32 = dwc_read_reg32(&hc_regs->hcchar); -+ if (hcchar.b.chen) { -+ /* Halt the channel. */ -+ hcchar.b.chdis = 1; -+ dwc_write_reg32(&hc_regs->hcchar, hcchar.d32); -+ } -+ -+ dwc_otg_hc_cleanup(dwc_otg_hcd->core_if, channel); -+ list_add_tail(&channel->hc_list_entry, -+ &dwc_otg_hcd->free_hc_list); -+ } -+ } -+ } -+ -+ /* A disconnect will end the session so the B-Device is no -+ * longer a B-host. */ -+ ((struct usb_hcd *)_p)->self.is_b_host = 0; -+ -+ return 1; -+} -+ -+/** -+ * Connection timeout function. An OTG host is required to display a -+ * message if the device does not connect within 10 seconds. -+ */ -+void dwc_otg_hcd_connect_timeout( unsigned long _ptr ) -+{ -+ DWC_DEBUGPL(DBG_HCDV, "%s(%x)\n", __func__, (int)_ptr); -+ DWC_PRINT( "Connect Timeout\n"); -+ DWC_ERROR( "Device Not Connected/Responding\n" ); -+} -+ -+/** -+ * Start the connection timer. An OTG host is required to display a -+ * message if the device does not connect within 10 seconds. The -+ * timer is deleted if a port connect interrupt occurs before the -+ * timer expires. -+ */ -+static void dwc_otg_hcd_start_connect_timer( dwc_otg_hcd_t *_hcd) -+{ -+ init_timer( &_hcd->conn_timer ); -+ _hcd->conn_timer.function = dwc_otg_hcd_connect_timeout; -+ _hcd->conn_timer.data = (unsigned long)0; -+ _hcd->conn_timer.expires = jiffies + (HZ*10); -+ add_timer( &_hcd->conn_timer ); -+} -+ -+/** -+ * HCD Callback function for disconnect of the HCD. -+ * -+ * @param _p void pointer to the <code>struct usb_hcd</code> -+ */ -+static int32_t dwc_otg_hcd_session_start_cb( void *_p ) -+{ -+ dwc_otg_hcd_t *dwc_otg_hcd = hcd_to_dwc_otg_hcd (_p); -+ DWC_DEBUGPL(DBG_HCDV, "%s(%p)\n", __func__, _p); -+ dwc_otg_hcd_start_connect_timer( dwc_otg_hcd ); -+ return 1; -+} -+ -+/** -+ * HCD Callback structure for handling mode switching. -+ */ -+static dwc_otg_cil_callbacks_t hcd_cil_callbacks = { -+ .start = dwc_otg_hcd_start_cb, -+ .stop = dwc_otg_hcd_stop_cb, -+ .disconnect = dwc_otg_hcd_disconnect_cb, -+ .session_start = dwc_otg_hcd_session_start_cb, -+ .p = 0, -+}; -+ -+ -+/** -+ * Reset tasklet function -+ */ -+static void reset_tasklet_func (unsigned long data) -+{ -+ dwc_otg_hcd_t *dwc_otg_hcd = (dwc_otg_hcd_t*)data; -+ dwc_otg_core_if_t *core_if = dwc_otg_hcd->core_if; -+ hprt0_data_t hprt0; -+ -+ DWC_DEBUGPL(DBG_HCDV, "USB RESET tasklet called\n"); -+ -+ hprt0.d32 = dwc_otg_read_hprt0 (core_if); -+ hprt0.b.prtrst = 1; -+ dwc_write_reg32(core_if->host_if->hprt0, hprt0.d32); -+ mdelay (60); -+ -+ hprt0.b.prtrst = 0; -+ dwc_write_reg32(core_if->host_if->hprt0, hprt0.d32); -+ dwc_otg_hcd->flags.b.port_reset_change = 1; -+ -+ return; -+} -+ -+static struct tasklet_struct reset_tasklet = { -+ .next = NULL, -+ .state = 0, -+ .count = ATOMIC_INIT(0), -+ .func = reset_tasklet_func, -+ .data = 0, -+}; -+ -+/** -+ * Initializes the HCD. This function allocates memory for and initializes the -+ * static parts of the usb_hcd and dwc_otg_hcd structures. It also registers the -+ * USB bus with the core and calls the hc_driver->start() function. It returns -+ * a negative error on failure. -+ */ -+int init_hcd_usecs(dwc_otg_hcd_t *_hcd); -+ -+int __devinit dwc_otg_hcd_init(struct device *_dev, dwc_otg_device_t * dwc_otg_device) -+{ -+ struct usb_hcd *hcd = NULL; -+ dwc_otg_hcd_t *dwc_otg_hcd = NULL; -+ dwc_otg_device_t *otg_dev = dev_get_drvdata(_dev); -+ -+ int num_channels; -+ int i; -+ dwc_hc_t *channel; -+ -+ int retval = 0; -+ -+ DWC_DEBUGPL(DBG_HCD, "DWC OTG HCD INIT\n"); -+ -+ /* -+ * Allocate memory for the base HCD plus the DWC OTG HCD. -+ * Initialize the base HCD. -+ */ -+ hcd = usb_create_hcd(&dwc_otg_hc_driver, _dev, dev_name(_dev)); -+ if (hcd == NULL) { -+ retval = -ENOMEM; -+ goto error1; -+ } -+ dev_set_drvdata(_dev, dwc_otg_device); /* fscz restore */ -+ hcd->regs = otg_dev->base; -+ hcd->rsrc_start = (int)otg_dev->base; -+ -+ hcd->self.otg_port = 1; -+ -+ /* Initialize the DWC OTG HCD. */ -+ dwc_otg_hcd = hcd_to_dwc_otg_hcd(hcd); -+ dwc_otg_hcd->core_if = otg_dev->core_if; -+ otg_dev->hcd = dwc_otg_hcd; -+ -+ /* Register the HCD CIL Callbacks */ -+ dwc_otg_cil_register_hcd_callbacks(otg_dev->core_if, -+ &hcd_cil_callbacks, hcd); -+ -+ /* Initialize the non-periodic schedule. */ -+ INIT_LIST_HEAD(&dwc_otg_hcd->non_periodic_sched_inactive); -+ INIT_LIST_HEAD(&dwc_otg_hcd->non_periodic_sched_active); -+ INIT_LIST_HEAD(&dwc_otg_hcd->non_periodic_sched_deferred); -+ -+ /* Initialize the periodic schedule. */ -+ INIT_LIST_HEAD(&dwc_otg_hcd->periodic_sched_inactive); -+ INIT_LIST_HEAD(&dwc_otg_hcd->periodic_sched_ready); -+ INIT_LIST_HEAD(&dwc_otg_hcd->periodic_sched_assigned); -+ INIT_LIST_HEAD(&dwc_otg_hcd->periodic_sched_queued); -+ -+ /* -+ * Create a host channel descriptor for each host channel implemented -+ * in the controller. Initialize the channel descriptor array. -+ */ -+ INIT_LIST_HEAD(&dwc_otg_hcd->free_hc_list); -+ num_channels = dwc_otg_hcd->core_if->core_params->host_channels; -+ for (i = 0; i < num_channels; i++) { -+ channel = kmalloc(sizeof(dwc_hc_t), GFP_KERNEL); -+ if (channel == NULL) { -+ retval = -ENOMEM; -+ DWC_ERROR("%s: host channel allocation failed\n", __func__); -+ goto error2; -+ } -+ memset(channel, 0, sizeof(dwc_hc_t)); -+ channel->hc_num = i; -+ dwc_otg_hcd->hc_ptr_array[i] = channel; -+#ifdef DEBUG -+ init_timer(&dwc_otg_hcd->core_if->hc_xfer_timer[i]); -+#endif -+ -+ DWC_DEBUGPL(DBG_HCDV, "HCD Added channel #%d, hc=%p\n", i, channel); -+ } -+ -+ /* Initialize the Connection timeout timer. */ -+ init_timer( &dwc_otg_hcd->conn_timer ); -+ -+ /* Initialize reset tasklet. */ -+ reset_tasklet.data = (unsigned long) dwc_otg_hcd; -+ dwc_otg_hcd->reset_tasklet = &reset_tasklet; -+ -+ /* Set device flags indicating whether the HCD supports DMA. */ -+ if (otg_dev->core_if->dma_enable) { -+ DWC_PRINT("Using DMA mode\n"); -+ //_dev->dma_mask = (void *)~0; -+ //_dev->coherent_dma_mask = ~0; -+ _dev->dma_mask = &dma_mask; -+ _dev->coherent_dma_mask = DMA_BIT_MASK(32); -+ } else { -+ DWC_PRINT("Using Slave mode\n"); -+ _dev->dma_mask = (void *)0; -+ _dev->coherent_dma_mask = 0; -+ } -+ -+ init_hcd_usecs(dwc_otg_hcd); -+ /* -+ * Finish generic HCD initialization and start the HCD. This function -+ * allocates the DMA buffer pool, registers the USB bus, requests the -+ * IRQ line, and calls dwc_otg_hcd_start method. -+ */ -+ retval = usb_add_hcd(hcd, otg_dev->irq, IRQF_SHARED); -+ if (retval < 0) { -+ goto error2; -+ } -+ -+ /* -+ * Allocate space for storing data on status transactions. Normally no -+ * data is sent, but this space acts as a bit bucket. This must be -+ * done after usb_add_hcd since that function allocates the DMA buffer -+ * pool. -+ */ -+ if (otg_dev->core_if->dma_enable) { -+ dwc_otg_hcd->status_buf = -+ dma_alloc_coherent(_dev, -+ DWC_OTG_HCD_STATUS_BUF_SIZE, -+ &dwc_otg_hcd->status_buf_dma, -+ GFP_KERNEL | GFP_DMA); -+ } else { -+ dwc_otg_hcd->status_buf = kmalloc(DWC_OTG_HCD_STATUS_BUF_SIZE, -+ GFP_KERNEL); -+ } -+ if (dwc_otg_hcd->status_buf == NULL) { -+ retval = -ENOMEM; -+ DWC_ERROR("%s: status_buf allocation failed\n", __func__); -+ goto error3; -+ } -+ -+ DWC_DEBUGPL(DBG_HCD, "DWC OTG HCD Initialized HCD, bus=%s, usbbus=%d\n", -+ dev_name(_dev), hcd->self.busnum); -+ -+ return 0; -+ -+ /* Error conditions */ -+error3: -+ usb_remove_hcd(hcd); -+error2: -+ dwc_otg_hcd_free(hcd); -+ usb_put_hcd(hcd); -+error1: -+ return retval; -+} -+ -+/** -+ * Removes the HCD. -+ * Frees memory and resources associated with the HCD and deregisters the bus. -+ */ -+void dwc_otg_hcd_remove(struct device *_dev) -+{ -+ dwc_otg_device_t *otg_dev = dev_get_drvdata(_dev); -+ dwc_otg_hcd_t *dwc_otg_hcd = otg_dev->hcd; -+ struct usb_hcd *hcd = dwc_otg_hcd_to_hcd(dwc_otg_hcd); -+ -+ DWC_DEBUGPL(DBG_HCD, "DWC OTG HCD REMOVE\n"); -+ -+ /* Turn off all interrupts */ -+ dwc_write_reg32 (&dwc_otg_hcd->core_if->core_global_regs->gintmsk, 0); -+ dwc_modify_reg32 (&dwc_otg_hcd->core_if->core_global_regs->gahbcfg, 1, 0); -+ -+ usb_remove_hcd(hcd); -+ -+ dwc_otg_hcd_free(hcd); -+ -+ usb_put_hcd(hcd); -+ -+ return; -+} -+ -+ -+/* ========================================================================= -+ * Linux HC Driver Functions -+ * ========================================================================= */ -+ -+/** -+ * Initializes dynamic portions of the DWC_otg HCD state. -+ */ -+static void hcd_reinit(dwc_otg_hcd_t *_hcd) -+{ -+ struct list_head *item; -+ int num_channels; -+ int i; -+ dwc_hc_t *channel; -+ -+ _hcd->flags.d32 = 0; -+ -+ _hcd->non_periodic_qh_ptr = &_hcd->non_periodic_sched_active; -+ _hcd->available_host_channels = _hcd->core_if->core_params->host_channels; -+ -+ /* -+ * Put all channels in the free channel list and clean up channel -+ * states. -+ */ -+ item = _hcd->free_hc_list.next; -+ while (item != &_hcd->free_hc_list) { -+ list_del(item); -+ item = _hcd->free_hc_list.next; -+ } -+ num_channels = _hcd->core_if->core_params->host_channels; -+ for (i = 0; i < num_channels; i++) { -+ channel = _hcd->hc_ptr_array[i]; -+ list_add_tail(&channel->hc_list_entry, &_hcd->free_hc_list); -+ dwc_otg_hc_cleanup(_hcd->core_if, channel); -+ } -+ -+ /* Initialize the DWC core for host mode operation. */ -+ dwc_otg_core_host_init(_hcd->core_if); -+} -+ -+/** Initializes the DWC_otg controller and its root hub and prepares it for host -+ * mode operation. Activates the root port. Returns 0 on success and a negative -+ * error code on failure. */ -+int dwc_otg_hcd_start(struct usb_hcd *_hcd) -+{ -+ dwc_otg_hcd_t *dwc_otg_hcd = hcd_to_dwc_otg_hcd (_hcd); -+ dwc_otg_core_if_t * core_if = dwc_otg_hcd->core_if; -+ struct usb_bus *bus; -+ -+ // int retval; -+ -+ DWC_DEBUGPL(DBG_HCD, "DWC OTG HCD START\n"); -+ -+ bus = hcd_to_bus(_hcd); -+ -+ /* Initialize the bus state. If the core is in Device Mode -+ * HALT the USB bus and return. */ -+ if (dwc_otg_is_device_mode (core_if)) { -+ _hcd->state = HC_STATE_HALT; -+ return 0; -+ } -+ _hcd->state = HC_STATE_RUNNING; -+ -+ /* Initialize and connect root hub if one is not already attached */ -+ if (bus->root_hub) { -+ DWC_DEBUGPL(DBG_HCD, "DWC OTG HCD Has Root Hub\n"); -+ /* Inform the HUB driver to resume. */ -+ usb_hcd_resume_root_hub(_hcd); -+ } -+ else { -+#if 0 -+ struct usb_device *udev; -+ udev = usb_alloc_dev(NULL, bus, 0); -+ if (!udev) { -+ DWC_DEBUGPL(DBG_HCD, "DWC OTG HCD Error udev alloc\n"); -+ return -ENODEV; -+ } -+ udev->speed = USB_SPEED_HIGH; -+ /* Not needed - VJ -+ if ((retval = usb_hcd_register_root_hub(udev, _hcd)) != 0) { -+ DWC_DEBUGPL(DBG_HCD, "DWC OTG HCD Error registering %d\n", retval); -+ return -ENODEV; -+ } -+ */ -+#else -+ DWC_DEBUGPL(DBG_HCD, "DWC OTG HCD Error udev alloc\n"); -+#endif -+ } -+ -+ hcd_reinit(dwc_otg_hcd); -+ -+ return 0; -+} -+ -+static void qh_list_free(dwc_otg_hcd_t *_hcd, struct list_head *_qh_list) -+{ -+ struct list_head *item; -+ dwc_otg_qh_t *qh; -+ -+ if (_qh_list->next == NULL) { -+ /* The list hasn't been initialized yet. */ -+ return; -+ } -+ -+ /* Ensure there are no QTDs or URBs left. */ -+ kill_urbs_in_qh_list(_hcd, _qh_list); -+ -+ for (item = _qh_list->next; item != _qh_list; item = _qh_list->next) { -+ qh = list_entry(item, dwc_otg_qh_t, qh_list_entry); -+ dwc_otg_hcd_qh_remove_and_free(_hcd, qh); -+ } -+} -+ -+/** -+ * Halts the DWC_otg host mode operations in a clean manner. USB transfers are -+ * stopped. -+ */ -+void dwc_otg_hcd_stop(struct usb_hcd *_hcd) -+{ -+ dwc_otg_hcd_t *dwc_otg_hcd = hcd_to_dwc_otg_hcd (_hcd); -+ hprt0_data_t hprt0 = { .d32=0 }; -+ -+ DWC_DEBUGPL(DBG_HCD, "DWC OTG HCD STOP\n"); -+ -+ /* Turn off all host-specific interrupts. */ -+ dwc_otg_disable_host_interrupts( dwc_otg_hcd->core_if ); -+ -+ /* -+ * The root hub should be disconnected before this function is called. -+ * The disconnect will clear the QTD lists (via ..._hcd_urb_dequeue) -+ * and the QH lists (via ..._hcd_endpoint_disable). -+ */ -+ -+ /* Turn off the vbus power */ -+ DWC_PRINT("PortPower off\n"); -+ hprt0.b.prtpwr = 0; -+ dwc_write_reg32(dwc_otg_hcd->core_if->host_if->hprt0, hprt0.d32); -+ -+ return; -+} -+ -+ -+/** Returns the current frame number. */ -+int dwc_otg_hcd_get_frame_number(struct usb_hcd *_hcd) -+{ -+ dwc_otg_hcd_t *dwc_otg_hcd = hcd_to_dwc_otg_hcd(_hcd); -+ hfnum_data_t hfnum; -+ -+ hfnum.d32 = dwc_read_reg32(&dwc_otg_hcd->core_if-> -+ host_if->host_global_regs->hfnum); -+ -+#ifdef DEBUG_SOF -+ DWC_DEBUGPL(DBG_HCDV, "DWC OTG HCD GET FRAME NUMBER %d\n", hfnum.b.frnum); -+#endif -+ return hfnum.b.frnum; -+} -+ -+/** -+ * Frees secondary storage associated with the dwc_otg_hcd structure contained -+ * in the struct usb_hcd field. -+ */ -+void dwc_otg_hcd_free(struct usb_hcd *_hcd) -+{ -+ dwc_otg_hcd_t *dwc_otg_hcd = hcd_to_dwc_otg_hcd(_hcd); -+ int i; -+ -+ DWC_DEBUGPL(DBG_HCD, "DWC OTG HCD FREE\n"); -+ -+ del_timers(dwc_otg_hcd); -+ -+ /* Free memory for QH/QTD lists */ -+ qh_list_free(dwc_otg_hcd, &dwc_otg_hcd->non_periodic_sched_inactive); -+ qh_list_free(dwc_otg_hcd, &dwc_otg_hcd->non_periodic_sched_deferred); -+ qh_list_free(dwc_otg_hcd, &dwc_otg_hcd->non_periodic_sched_active); -+ qh_list_free(dwc_otg_hcd, &dwc_otg_hcd->periodic_sched_inactive); -+ qh_list_free(dwc_otg_hcd, &dwc_otg_hcd->periodic_sched_ready); -+ qh_list_free(dwc_otg_hcd, &dwc_otg_hcd->periodic_sched_assigned); -+ qh_list_free(dwc_otg_hcd, &dwc_otg_hcd->periodic_sched_queued); -+ -+ /* Free memory for the host channels. */ -+ for (i = 0; i < MAX_EPS_CHANNELS; i++) { -+ dwc_hc_t *hc = dwc_otg_hcd->hc_ptr_array[i]; -+ if (hc != NULL) { -+ DWC_DEBUGPL(DBG_HCDV, "HCD Free channel #%i, hc=%p\n", i, hc); -+ kfree(hc); -+ } -+ } -+ -+ if (dwc_otg_hcd->core_if->dma_enable) { -+ if (dwc_otg_hcd->status_buf_dma) { -+ dma_free_coherent(_hcd->self.controller, -+ DWC_OTG_HCD_STATUS_BUF_SIZE, -+ dwc_otg_hcd->status_buf, -+ dwc_otg_hcd->status_buf_dma); -+ } -+ } else if (dwc_otg_hcd->status_buf != NULL) { -+ kfree(dwc_otg_hcd->status_buf); -+ } -+ -+ return; -+} -+ -+ -+#ifdef DEBUG -+static void dump_urb_info(struct urb *_urb, char* _fn_name) -+{ -+ DWC_PRINT("%s, urb %p\n", _fn_name, _urb); -+ DWC_PRINT(" Device address: %d\n", usb_pipedevice(_urb->pipe)); -+ DWC_PRINT(" Endpoint: %d, %s\n", usb_pipeendpoint(_urb->pipe), -+ (usb_pipein(_urb->pipe) ? "IN" : "OUT")); -+ DWC_PRINT(" Endpoint type: %s\n", -+ ({char *pipetype; -+ switch (usb_pipetype(_urb->pipe)) { -+ case PIPE_CONTROL: pipetype = "CONTROL"; break; -+ case PIPE_BULK: pipetype = "BULK"; break; -+ case PIPE_INTERRUPT: pipetype = "INTERRUPT"; break; -+ case PIPE_ISOCHRONOUS: pipetype = "ISOCHRONOUS"; break; -+ default: pipetype = "UNKNOWN"; break; -+ }; pipetype;})); -+ DWC_PRINT(" Speed: %s\n", -+ ({char *speed; -+ switch (_urb->dev->speed) { -+ case USB_SPEED_HIGH: speed = "HIGH"; break; -+ case USB_SPEED_FULL: speed = "FULL"; break; -+ case USB_SPEED_LOW: speed = "LOW"; break; -+ default: speed = "UNKNOWN"; break; -+ }; speed;})); -+ DWC_PRINT(" Max packet size: %d\n", -+ usb_maxpacket(_urb->dev, _urb->pipe, usb_pipeout(_urb->pipe))); -+ DWC_PRINT(" Data buffer length: %d\n", _urb->transfer_buffer_length); -+ DWC_PRINT(" Transfer buffer: %p, Transfer DMA: %p\n", -+ _urb->transfer_buffer, (void *)_urb->transfer_dma); -+ DWC_PRINT(" Setup buffer: %p, Setup DMA: %p\n", -+ _urb->setup_packet, (void *)_urb->setup_dma); -+ DWC_PRINT(" Interval: %d\n", _urb->interval); -+ if (usb_pipetype(_urb->pipe) == PIPE_ISOCHRONOUS) { -+ int i; -+ for (i = 0; i < _urb->number_of_packets; i++) { -+ DWC_PRINT(" ISO Desc %d:\n", i); -+ DWC_PRINT(" offset: %d, length %d\n", -+ _urb->iso_frame_desc[i].offset, -+ _urb->iso_frame_desc[i].length); -+ } -+ } -+} -+ -+static void dump_channel_info(dwc_otg_hcd_t *_hcd, dwc_otg_qh_t *qh) -+{ -+ if (qh->channel != NULL) { -+ dwc_hc_t *hc = qh->channel; -+ struct list_head *item; -+ dwc_otg_qh_t *qh_item; -+ int num_channels = _hcd->core_if->core_params->host_channels; -+ int i; -+ -+ dwc_otg_hc_regs_t *hc_regs; -+ hcchar_data_t hcchar; -+ hcsplt_data_t hcsplt; -+ hctsiz_data_t hctsiz; -+ uint32_t hcdma; -+ -+ hc_regs = _hcd->core_if->host_if->hc_regs[hc->hc_num]; -+ hcchar.d32 = dwc_read_reg32(&hc_regs->hcchar); -+ hcsplt.d32 = dwc_read_reg32(&hc_regs->hcsplt); -+ hctsiz.d32 = dwc_read_reg32(&hc_regs->hctsiz); -+ hcdma = dwc_read_reg32(&hc_regs->hcdma); -+ -+ DWC_PRINT(" Assigned to channel %p:\n", hc); -+ DWC_PRINT(" hcchar 0x%08x, hcsplt 0x%08x\n", hcchar.d32, hcsplt.d32); -+ DWC_PRINT(" hctsiz 0x%08x, hcdma 0x%08x\n", hctsiz.d32, hcdma); -+ DWC_PRINT(" dev_addr: %d, ep_num: %d, ep_is_in: %d\n", -+ hc->dev_addr, hc->ep_num, hc->ep_is_in); -+ DWC_PRINT(" ep_type: %d\n", hc->ep_type); -+ DWC_PRINT(" max_packet: %d\n", hc->max_packet); -+ DWC_PRINT(" data_pid_start: %d\n", hc->data_pid_start); -+ DWC_PRINT(" xfer_started: %d\n", hc->xfer_started); -+ DWC_PRINT(" halt_status: %d\n", hc->halt_status); -+ DWC_PRINT(" xfer_buff: %p\n", hc->xfer_buff); -+ DWC_PRINT(" xfer_len: %d\n", hc->xfer_len); -+ DWC_PRINT(" qh: %p\n", hc->qh); -+ DWC_PRINT(" NP inactive sched:\n"); -+ list_for_each(item, &_hcd->non_periodic_sched_inactive) { -+ qh_item = list_entry(item, dwc_otg_qh_t, qh_list_entry); -+ DWC_PRINT(" %p\n", qh_item); -+ } DWC_PRINT(" NP active sched:\n"); -+ list_for_each(item, &_hcd->non_periodic_sched_deferred) { -+ qh_item = list_entry(item, dwc_otg_qh_t, qh_list_entry); -+ DWC_PRINT(" %p\n", qh_item); -+ } DWC_PRINT(" NP deferred sched:\n"); -+ list_for_each(item, &_hcd->non_periodic_sched_active) { -+ qh_item = list_entry(item, dwc_otg_qh_t, qh_list_entry); -+ DWC_PRINT(" %p\n", qh_item); -+ } DWC_PRINT(" Channels: \n"); -+ for (i = 0; i < num_channels; i++) { -+ dwc_hc_t *hc = _hcd->hc_ptr_array[i]; -+ DWC_PRINT(" %2d: %p\n", i, hc); -+ } -+ } -+} -+#endif // DEBUG -+ -+/** Starts processing a USB transfer request specified by a USB Request Block -+ * (URB). mem_flags indicates the type of memory allocation to use while -+ * processing this URB. */ -+int dwc_otg_hcd_urb_enqueue(struct usb_hcd *_hcd, -+ struct urb *_urb, -+ gfp_t _mem_flags) -+{ -+ unsigned long flags; -+ int retval; -+ dwc_otg_hcd_t *dwc_otg_hcd = hcd_to_dwc_otg_hcd (_hcd); -+ dwc_otg_qtd_t *qtd; -+ -+ local_irq_save(flags); -+ retval = usb_hcd_link_urb_to_ep(_hcd, _urb); -+ if (retval) { -+ local_irq_restore(flags); -+ return retval; -+ } -+#ifdef DEBUG -+ if (CHK_DEBUG_LEVEL(DBG_HCDV | DBG_HCD_URB)) { -+ dump_urb_info(_urb, "dwc_otg_hcd_urb_enqueue"); -+ } -+#endif // DEBUG -+ if (!dwc_otg_hcd->flags.b.port_connect_status) { -+ /* No longer connected. */ -+ local_irq_restore(flags); -+ return -ENODEV; -+ } -+ -+ qtd = dwc_otg_hcd_qtd_create (_urb); -+ if (qtd == NULL) { -+ local_irq_restore(flags); -+ DWC_ERROR("DWC OTG HCD URB Enqueue failed creating QTD\n"); -+ return -ENOMEM; -+ } -+ -+ retval = dwc_otg_hcd_qtd_add (qtd, dwc_otg_hcd); -+ if (retval < 0) { -+ DWC_ERROR("DWC OTG HCD URB Enqueue failed adding QTD. " -+ "Error status %d\n", retval); -+ dwc_otg_hcd_qtd_free(qtd); -+ } -+ -+ local_irq_restore (flags); -+ return retval; -+} -+ -+/** Aborts/cancels a USB transfer request. Always returns 0 to indicate -+ * success. */ -+int dwc_otg_hcd_urb_dequeue(struct usb_hcd *_hcd, struct urb *_urb, int _status) -+{ -+ unsigned long flags; -+ dwc_otg_hcd_t *dwc_otg_hcd; -+ dwc_otg_qtd_t *urb_qtd; -+ dwc_otg_qh_t *qh; -+ int retval; -+ //struct usb_host_endpoint *_ep = NULL; -+ -+ DWC_DEBUGPL(DBG_HCD, "DWC OTG HCD URB Dequeue\n"); -+ -+ local_irq_save(flags); -+ -+ retval = usb_hcd_check_unlink_urb(_hcd, _urb, _status); -+ if (retval) { -+ local_irq_restore(flags); -+ return retval; -+ } -+ -+ dwc_otg_hcd = hcd_to_dwc_otg_hcd(_hcd); -+ urb_qtd = (dwc_otg_qtd_t *)_urb->hcpriv; -+ if (urb_qtd == NULL) { -+ printk("urb_qtd is NULL for _urb %08x\n",(unsigned)_urb); -+ goto done; -+ } -+ qh = (dwc_otg_qh_t *) urb_qtd->qtd_qh_ptr; -+ if (qh == NULL) { -+ goto done; -+ } -+ -+#ifdef DEBUG -+ if (CHK_DEBUG_LEVEL(DBG_HCDV | DBG_HCD_URB)) { -+ dump_urb_info(_urb, "dwc_otg_hcd_urb_dequeue"); -+ if (urb_qtd == qh->qtd_in_process) { -+ dump_channel_info(dwc_otg_hcd, qh); -+ } -+ } -+#endif // DEBUG -+ -+ if (urb_qtd == qh->qtd_in_process) { -+ /* The QTD is in process (it has been assigned to a channel). */ -+ -+ if (dwc_otg_hcd->flags.b.port_connect_status) { -+ /* -+ * If still connected (i.e. in host mode), halt the -+ * channel so it can be used for other transfers. If -+ * no longer connected, the host registers can't be -+ * written to halt the channel since the core is in -+ * device mode. -+ */ -+ dwc_otg_hc_halt(dwc_otg_hcd->core_if, qh->channel, -+ DWC_OTG_HC_XFER_URB_DEQUEUE); -+ } -+ } -+ -+ /* -+ * Free the QTD and clean up the associated QH. Leave the QH in the -+ * schedule if it has any remaining QTDs. -+ */ -+ dwc_otg_hcd_qtd_remove_and_free(urb_qtd); -+ if (urb_qtd == qh->qtd_in_process) { -+ dwc_otg_hcd_qh_deactivate(dwc_otg_hcd, qh, 0); -+ qh->channel = NULL; -+ qh->qtd_in_process = NULL; -+ } else if (list_empty(&qh->qtd_list)) { -+ dwc_otg_hcd_qh_remove(dwc_otg_hcd, qh); -+ } -+ -+done: -+ local_irq_restore(flags); -+ _urb->hcpriv = NULL; -+ -+ /* Higher layer software sets URB status. */ -+ usb_hcd_unlink_urb_from_ep(_hcd, _urb); -+ usb_hcd_giveback_urb(_hcd, _urb, _status); -+ if (CHK_DEBUG_LEVEL(DBG_HCDV | DBG_HCD_URB)) { -+ DWC_PRINT("Called usb_hcd_giveback_urb()\n"); -+ DWC_PRINT(" urb->status = %d\n", _urb->status); -+ } -+ -+ return 0; -+} -+ -+ -+/** Frees resources in the DWC_otg controller related to a given endpoint. Also -+ * clears state in the HCD related to the endpoint. Any URBs for the endpoint -+ * must already be dequeued. */ -+void dwc_otg_hcd_endpoint_disable(struct usb_hcd *_hcd, -+ struct usb_host_endpoint *_ep) -+ -+{ -+ dwc_otg_qh_t *qh; -+ dwc_otg_hcd_t *dwc_otg_hcd = hcd_to_dwc_otg_hcd(_hcd); -+ -+ DWC_DEBUGPL(DBG_HCD, "DWC OTG HCD EP DISABLE: _bEndpointAddress=0x%02x, " -+ "endpoint=%d\n", _ep->desc.bEndpointAddress, -+ dwc_ep_addr_to_endpoint(_ep->desc.bEndpointAddress)); -+ -+ qh = (dwc_otg_qh_t *)(_ep->hcpriv); -+ if (qh != NULL) { -+#ifdef DEBUG -+ /** Check that the QTD list is really empty */ -+ if (!list_empty(&qh->qtd_list)) { -+ DWC_WARN("DWC OTG HCD EP DISABLE:" -+ " QTD List for this endpoint is not empty\n"); -+ } -+#endif // DEBUG -+ -+ dwc_otg_hcd_qh_remove_and_free(dwc_otg_hcd, qh); -+ _ep->hcpriv = NULL; -+ } -+ -+ return; -+} -+extern int dwc_irq; -+/** Handles host mode interrupts for the DWC_otg controller. Returns IRQ_NONE if -+ * there was no interrupt to handle. Returns IRQ_HANDLED if there was a valid -+ * interrupt. -+ * -+ * This function is called by the USB core when an interrupt occurs */ -+irqreturn_t dwc_otg_hcd_irq(struct usb_hcd *_hcd) -+{ -+ dwc_otg_hcd_t *dwc_otg_hcd = hcd_to_dwc_otg_hcd (_hcd); -+ -+ mask_and_ack_ifx_irq (dwc_irq); -+ return IRQ_RETVAL(dwc_otg_hcd_handle_intr(dwc_otg_hcd)); -+} -+ -+/** Creates Status Change bitmap for the root hub and root port. The bitmap is -+ * returned in buf. Bit 0 is the status change indicator for the root hub. Bit 1 -+ * is the status change indicator for the single root port. Returns 1 if either -+ * change indicator is 1, otherwise returns 0. */ -+int dwc_otg_hcd_hub_status_data(struct usb_hcd *_hcd, char *_buf) -+{ -+ dwc_otg_hcd_t *dwc_otg_hcd = hcd_to_dwc_otg_hcd (_hcd); -+ -+ _buf[0] = 0; -+ _buf[0] |= (dwc_otg_hcd->flags.b.port_connect_status_change || -+ dwc_otg_hcd->flags.b.port_reset_change || -+ dwc_otg_hcd->flags.b.port_enable_change || -+ dwc_otg_hcd->flags.b.port_suspend_change || -+ dwc_otg_hcd->flags.b.port_over_current_change) << 1; -+ -+#ifdef DEBUG -+ if (_buf[0]) { -+ DWC_DEBUGPL(DBG_HCD, "DWC OTG HCD HUB STATUS DATA:" -+ " Root port status changed\n"); -+ DWC_DEBUGPL(DBG_HCDV, " port_connect_status_change: %d\n", -+ dwc_otg_hcd->flags.b.port_connect_status_change); -+ DWC_DEBUGPL(DBG_HCDV, " port_reset_change: %d\n", -+ dwc_otg_hcd->flags.b.port_reset_change); -+ DWC_DEBUGPL(DBG_HCDV, " port_enable_change: %d\n", -+ dwc_otg_hcd->flags.b.port_enable_change); -+ DWC_DEBUGPL(DBG_HCDV, " port_suspend_change: %d\n", -+ dwc_otg_hcd->flags.b.port_suspend_change); -+ DWC_DEBUGPL(DBG_HCDV, " port_over_current_change: %d\n", -+ dwc_otg_hcd->flags.b.port_over_current_change); -+ } -+#endif // DEBUG -+ return (_buf[0] != 0); -+} -+ -+#ifdef DWC_HS_ELECT_TST -+/* -+ * Quick and dirty hack to implement the HS Electrical Test -+ * SINGLE_STEP_GET_DEVICE_DESCRIPTOR feature. -+ * -+ * This code was copied from our userspace app "hset". It sends a -+ * Get Device Descriptor control sequence in two parts, first the -+ * Setup packet by itself, followed some time later by the In and -+ * Ack packets. Rather than trying to figure out how to add this -+ * functionality to the normal driver code, we just hijack the -+ * hardware, using these two function to drive the hardware -+ * directly. -+ */ -+ -+dwc_otg_core_global_regs_t *global_regs; -+dwc_otg_host_global_regs_t *hc_global_regs; -+dwc_otg_hc_regs_t *hc_regs; -+uint32_t *data_fifo; -+ -+static void do_setup(void) -+{ -+ gintsts_data_t gintsts; -+ hctsiz_data_t hctsiz; -+ hcchar_data_t hcchar; -+ haint_data_t haint; -+ hcint_data_t hcint; -+ -+ /* Enable HAINTs */ -+ dwc_write_reg32(&hc_global_regs->haintmsk, 0x0001); -+ -+ /* Enable HCINTs */ -+ dwc_write_reg32(&hc_regs->hcintmsk, 0x04a3); -+ -+ /* Read GINTSTS */ -+ gintsts.d32 = dwc_read_reg32(&global_regs->gintsts); -+ //fprintf(stderr, "GINTSTS: %08x\n", gintsts.d32); -+ -+ /* Read HAINT */ -+ haint.d32 = dwc_read_reg32(&hc_global_regs->haint); -+ //fprintf(stderr, "HAINT: %08x\n", haint.d32); -+ -+ /* Read HCINT */ -+ hcint.d32 = dwc_read_reg32(&hc_regs->hcint); -+ //fprintf(stderr, "HCINT: %08x\n", hcint.d32); -+ -+ /* Read HCCHAR */ -+ hcchar.d32 = dwc_read_reg32(&hc_regs->hcchar); -+ //fprintf(stderr, "HCCHAR: %08x\n", hcchar.d32); -+ -+ /* Clear HCINT */ -+ dwc_write_reg32(&hc_regs->hcint, hcint.d32); -+ -+ /* Clear HAINT */ -+ dwc_write_reg32(&hc_global_regs->haint, haint.d32); -+ -+ /* Clear GINTSTS */ -+ dwc_write_reg32(&global_regs->gintsts, gintsts.d32); -+ -+ /* Read GINTSTS */ -+ gintsts.d32 = dwc_read_reg32(&global_regs->gintsts); -+ //fprintf(stderr, "GINTSTS: %08x\n", gintsts.d32); -+ -+ /* -+ * Send Setup packet (Get Device Descriptor) -+ */ -+ -+ /* Make sure channel is disabled */ -+ hcchar.d32 = dwc_read_reg32(&hc_regs->hcchar); -+ if (hcchar.b.chen) { -+ //fprintf(stderr, "Channel already enabled 1, HCCHAR = %08x\n", hcchar.d32); -+ hcchar.b.chdis = 1; -+ // hcchar.b.chen = 1; -+ dwc_write_reg32(&hc_regs->hcchar, hcchar.d32); -+ //sleep(1); -+ MDELAY(1000); -+ -+ /* Read GINTSTS */ -+ gintsts.d32 = dwc_read_reg32(&global_regs->gintsts); -+ //fprintf(stderr, "GINTSTS: %08x\n", gintsts.d32); -+ -+ /* Read HAINT */ -+ haint.d32 = dwc_read_reg32(&hc_global_regs->haint); -+ //fprintf(stderr, "HAINT: %08x\n", haint.d32); -+ -+ /* Read HCINT */ -+ hcint.d32 = dwc_read_reg32(&hc_regs->hcint); -+ //fprintf(stderr, "HCINT: %08x\n", hcint.d32); -+ -+ /* Read HCCHAR */ -+ hcchar.d32 = dwc_read_reg32(&hc_regs->hcchar); -+ //fprintf(stderr, "HCCHAR: %08x\n", hcchar.d32); -+ -+ /* Clear HCINT */ -+ dwc_write_reg32(&hc_regs->hcint, hcint.d32); -+ -+ /* Clear HAINT */ -+ dwc_write_reg32(&hc_global_regs->haint, haint.d32); -+ -+ /* Clear GINTSTS */ -+ dwc_write_reg32(&global_regs->gintsts, gintsts.d32); -+ -+ hcchar.d32 = dwc_read_reg32(&hc_regs->hcchar); -+ //if (hcchar.b.chen) { -+ // fprintf(stderr, "** Channel _still_ enabled 1, HCCHAR = %08x **\n", hcchar.d32); -+ //} -+ } -+ -+ /* Set HCTSIZ */ -+ hctsiz.d32 = 0; -+ hctsiz.b.xfersize = 8; -+ hctsiz.b.pktcnt = 1; -+ hctsiz.b.pid = DWC_OTG_HC_PID_SETUP; -+ dwc_write_reg32(&hc_regs->hctsiz, hctsiz.d32); -+ -+ /* Set HCCHAR */ -+ hcchar.d32 = dwc_read_reg32(&hc_regs->hcchar); -+ hcchar.b.eptype = DWC_OTG_EP_TYPE_CONTROL; -+ hcchar.b.epdir = 0; -+ hcchar.b.epnum = 0; -+ hcchar.b.mps = 8; -+ hcchar.b.chen = 1; -+ dwc_write_reg32(&hc_regs->hcchar, hcchar.d32); -+ -+ /* Fill FIFO with Setup data for Get Device Descriptor */ -+ data_fifo = (uint32_t *)((char *)global_regs + 0x1000); -+ dwc_write_reg32(data_fifo++, 0x01000680); -+ dwc_write_reg32(data_fifo++, 0x00080000); -+ -+ gintsts.d32 = dwc_read_reg32(&global_regs->gintsts); -+ //fprintf(stderr, "Waiting for HCINTR intr 1, GINTSTS = %08x\n", gintsts.d32); -+ -+ /* Wait for host channel interrupt */ -+ do { -+ gintsts.d32 = dwc_read_reg32(&global_regs->gintsts); -+ } while (gintsts.b.hcintr == 0); -+ -+ //fprintf(stderr, "Got HCINTR intr 1, GINTSTS = %08x\n", gintsts.d32); -+ -+ /* Disable HCINTs */ -+ dwc_write_reg32(&hc_regs->hcintmsk, 0x0000); -+ -+ /* Disable HAINTs */ -+ dwc_write_reg32(&hc_global_regs->haintmsk, 0x0000); -+ -+ /* Read HAINT */ -+ haint.d32 = dwc_read_reg32(&hc_global_regs->haint); -+ //fprintf(stderr, "HAINT: %08x\n", haint.d32); -+ -+ /* Read HCINT */ -+ hcint.d32 = dwc_read_reg32(&hc_regs->hcint); -+ //fprintf(stderr, "HCINT: %08x\n", hcint.d32); -+ -+ /* Read HCCHAR */ -+ hcchar.d32 = dwc_read_reg32(&hc_regs->hcchar); -+ //fprintf(stderr, "HCCHAR: %08x\n", hcchar.d32); -+ -+ /* Clear HCINT */ -+ dwc_write_reg32(&hc_regs->hcint, hcint.d32); -+ -+ /* Clear HAINT */ -+ dwc_write_reg32(&hc_global_regs->haint, haint.d32); -+ -+ /* Clear GINTSTS */ -+ dwc_write_reg32(&global_regs->gintsts, gintsts.d32); -+ -+ /* Read GINTSTS */ -+ gintsts.d32 = dwc_read_reg32(&global_regs->gintsts); -+ //fprintf(stderr, "GINTSTS: %08x\n", gintsts.d32); -+} -+ -+static void do_in_ack(void) -+{ -+ gintsts_data_t gintsts; -+ hctsiz_data_t hctsiz; -+ hcchar_data_t hcchar; -+ haint_data_t haint; -+ hcint_data_t hcint; -+ host_grxsts_data_t grxsts; -+ -+ /* Enable HAINTs */ -+ dwc_write_reg32(&hc_global_regs->haintmsk, 0x0001); -+ -+ /* Enable HCINTs */ -+ dwc_write_reg32(&hc_regs->hcintmsk, 0x04a3); -+ -+ /* Read GINTSTS */ -+ gintsts.d32 = dwc_read_reg32(&global_regs->gintsts); -+ //fprintf(stderr, "GINTSTS: %08x\n", gintsts.d32); -+ -+ /* Read HAINT */ -+ haint.d32 = dwc_read_reg32(&hc_global_regs->haint); -+ //fprintf(stderr, "HAINT: %08x\n", haint.d32); -+ -+ /* Read HCINT */ -+ hcint.d32 = dwc_read_reg32(&hc_regs->hcint); -+ //fprintf(stderr, "HCINT: %08x\n", hcint.d32); -+ -+ /* Read HCCHAR */ -+ hcchar.d32 = dwc_read_reg32(&hc_regs->hcchar); -+ //fprintf(stderr, "HCCHAR: %08x\n", hcchar.d32); -+ -+ /* Clear HCINT */ -+ dwc_write_reg32(&hc_regs->hcint, hcint.d32); -+ -+ /* Clear HAINT */ -+ dwc_write_reg32(&hc_global_regs->haint, haint.d32); -+ -+ /* Clear GINTSTS */ -+ dwc_write_reg32(&global_regs->gintsts, gintsts.d32); -+ -+ /* Read GINTSTS */ -+ gintsts.d32 = dwc_read_reg32(&global_regs->gintsts); -+ //fprintf(stderr, "GINTSTS: %08x\n", gintsts.d32); -+ -+ /* -+ * Receive Control In packet -+ */ -+ -+ /* Make sure channel is disabled */ -+ hcchar.d32 = dwc_read_reg32(&hc_regs->hcchar); -+ if (hcchar.b.chen) { -+ //fprintf(stderr, "Channel already enabled 2, HCCHAR = %08x\n", hcchar.d32); -+ hcchar.b.chdis = 1; -+ hcchar.b.chen = 1; -+ dwc_write_reg32(&hc_regs->hcchar, hcchar.d32); -+ //sleep(1); -+ MDELAY(1000); -+ -+ /* Read GINTSTS */ -+ gintsts.d32 = dwc_read_reg32(&global_regs->gintsts); -+ //fprintf(stderr, "GINTSTS: %08x\n", gintsts.d32); -+ -+ /* Read HAINT */ -+ haint.d32 = dwc_read_reg32(&hc_global_regs->haint); -+ //fprintf(stderr, "HAINT: %08x\n", haint.d32); -+ -+ /* Read HCINT */ -+ hcint.d32 = dwc_read_reg32(&hc_regs->hcint); -+ //fprintf(stderr, "HCINT: %08x\n", hcint.d32); -+ -+ /* Read HCCHAR */ -+ hcchar.d32 = dwc_read_reg32(&hc_regs->hcchar); -+ //fprintf(stderr, "HCCHAR: %08x\n", hcchar.d32); -+ -+ /* Clear HCINT */ -+ dwc_write_reg32(&hc_regs->hcint, hcint.d32); -+ -+ /* Clear HAINT */ -+ dwc_write_reg32(&hc_global_regs->haint, haint.d32); -+ -+ /* Clear GINTSTS */ -+ dwc_write_reg32(&global_regs->gintsts, gintsts.d32); -+ -+ hcchar.d32 = dwc_read_reg32(&hc_regs->hcchar); -+ //if (hcchar.b.chen) { -+ // fprintf(stderr, "** Channel _still_ enabled 2, HCCHAR = %08x **\n", hcchar.d32); -+ //} -+ } -+ -+ /* Set HCTSIZ */ -+ hctsiz.d32 = 0; -+ hctsiz.b.xfersize = 8; -+ hctsiz.b.pktcnt = 1; -+ hctsiz.b.pid = DWC_OTG_HC_PID_DATA1; -+ dwc_write_reg32(&hc_regs->hctsiz, hctsiz.d32); -+ -+ /* Set HCCHAR */ -+ hcchar.d32 = dwc_read_reg32(&hc_regs->hcchar); -+ hcchar.b.eptype = DWC_OTG_EP_TYPE_CONTROL; -+ hcchar.b.epdir = 1; -+ hcchar.b.epnum = 0; -+ hcchar.b.mps = 8; -+ hcchar.b.chen = 1; -+ dwc_write_reg32(&hc_regs->hcchar, hcchar.d32); -+ -+ gintsts.d32 = dwc_read_reg32(&global_regs->gintsts); -+ //fprintf(stderr, "Waiting for RXSTSQLVL intr 1, GINTSTS = %08x\n", gintsts.d32); -+ -+ /* Wait for receive status queue interrupt */ -+ do { -+ gintsts.d32 = dwc_read_reg32(&global_regs->gintsts); -+ } while (gintsts.b.rxstsqlvl == 0); -+ -+ //fprintf(stderr, "Got RXSTSQLVL intr 1, GINTSTS = %08x\n", gintsts.d32); -+ -+ /* Read RXSTS */ -+ grxsts.d32 = dwc_read_reg32(&global_regs->grxstsp); -+ //fprintf(stderr, "GRXSTS: %08x\n", grxsts.d32); -+ -+ /* Clear RXSTSQLVL in GINTSTS */ -+ gintsts.d32 = 0; -+ gintsts.b.rxstsqlvl = 1; -+ dwc_write_reg32(&global_regs->gintsts, gintsts.d32); -+ -+ switch (grxsts.b.pktsts) { -+ case DWC_GRXSTS_PKTSTS_IN: -+ /* Read the data into the host buffer */ -+ if (grxsts.b.bcnt > 0) { -+ int i; -+ int word_count = (grxsts.b.bcnt + 3) / 4; -+ -+ data_fifo = (uint32_t *)((char *)global_regs + 0x1000); -+ -+ for (i = 0; i < word_count; i++) { -+ (void)dwc_read_reg32(data_fifo++); -+ } -+ } -+ -+ //fprintf(stderr, "Received %u bytes\n", (unsigned)grxsts.b.bcnt); -+ break; -+ -+ default: -+ //fprintf(stderr, "** Unexpected GRXSTS packet status 1 **\n"); -+ break; -+ } -+ -+ gintsts.d32 = dwc_read_reg32(&global_regs->gintsts); -+ //fprintf(stderr, "Waiting for RXSTSQLVL intr 2, GINTSTS = %08x\n", gintsts.d32); -+ -+ /* Wait for receive status queue interrupt */ -+ do { -+ gintsts.d32 = dwc_read_reg32(&global_regs->gintsts); -+ } while (gintsts.b.rxstsqlvl == 0); -+ -+ //fprintf(stderr, "Got RXSTSQLVL intr 2, GINTSTS = %08x\n", gintsts.d32); -+ -+ /* Read RXSTS */ -+ grxsts.d32 = dwc_read_reg32(&global_regs->grxstsp); -+ //fprintf(stderr, "GRXSTS: %08x\n", grxsts.d32); -+ -+ /* Clear RXSTSQLVL in GINTSTS */ -+ gintsts.d32 = 0; -+ gintsts.b.rxstsqlvl = 1; -+ dwc_write_reg32(&global_regs->gintsts, gintsts.d32); -+ -+ switch (grxsts.b.pktsts) { -+ case DWC_GRXSTS_PKTSTS_IN_XFER_COMP: -+ break; -+ -+ default: -+ //fprintf(stderr, "** Unexpected GRXSTS packet status 2 **\n"); -+ break; -+ } -+ -+ gintsts.d32 = dwc_read_reg32(&global_regs->gintsts); -+ //fprintf(stderr, "Waiting for HCINTR intr 2, GINTSTS = %08x\n", gintsts.d32); -+ -+ /* Wait for host channel interrupt */ -+ do { -+ gintsts.d32 = dwc_read_reg32(&global_regs->gintsts); -+ } while (gintsts.b.hcintr == 0); -+ -+ //fprintf(stderr, "Got HCINTR intr 2, GINTSTS = %08x\n", gintsts.d32); -+ -+ /* Read HAINT */ -+ haint.d32 = dwc_read_reg32(&hc_global_regs->haint); -+ //fprintf(stderr, "HAINT: %08x\n", haint.d32); -+ -+ /* Read HCINT */ -+ hcint.d32 = dwc_read_reg32(&hc_regs->hcint); -+ //fprintf(stderr, "HCINT: %08x\n", hcint.d32); -+ -+ /* Read HCCHAR */ -+ hcchar.d32 = dwc_read_reg32(&hc_regs->hcchar); -+ //fprintf(stderr, "HCCHAR: %08x\n", hcchar.d32); -+ -+ /* Clear HCINT */ -+ dwc_write_reg32(&hc_regs->hcint, hcint.d32); -+ -+ /* Clear HAINT */ -+ dwc_write_reg32(&hc_global_regs->haint, haint.d32); -+ -+ /* Clear GINTSTS */ -+ dwc_write_reg32(&global_regs->gintsts, gintsts.d32); -+ -+ /* Read GINTSTS */ -+ gintsts.d32 = dwc_read_reg32(&global_regs->gintsts); -+ //fprintf(stderr, "GINTSTS: %08x\n", gintsts.d32); -+ -+ // usleep(100000); -+ // mdelay(100); -+ MDELAY(1); -+ -+ /* -+ * Send handshake packet -+ */ -+ -+ /* Read HAINT */ -+ haint.d32 = dwc_read_reg32(&hc_global_regs->haint); -+ //fprintf(stderr, "HAINT: %08x\n", haint.d32); -+ -+ /* Read HCINT */ -+ hcint.d32 = dwc_read_reg32(&hc_regs->hcint); -+ //fprintf(stderr, "HCINT: %08x\n", hcint.d32); -+ -+ /* Read HCCHAR */ -+ hcchar.d32 = dwc_read_reg32(&hc_regs->hcchar); -+ //fprintf(stderr, "HCCHAR: %08x\n", hcchar.d32); -+ -+ /* Clear HCINT */ -+ dwc_write_reg32(&hc_regs->hcint, hcint.d32); -+ -+ /* Clear HAINT */ -+ dwc_write_reg32(&hc_global_regs->haint, haint.d32); -+ -+ /* Clear GINTSTS */ -+ dwc_write_reg32(&global_regs->gintsts, gintsts.d32); -+ -+ /* Read GINTSTS */ -+ gintsts.d32 = dwc_read_reg32(&global_regs->gintsts); -+ //fprintf(stderr, "GINTSTS: %08x\n", gintsts.d32); -+ -+ /* Make sure channel is disabled */ -+ hcchar.d32 = dwc_read_reg32(&hc_regs->hcchar); -+ if (hcchar.b.chen) { -+ //fprintf(stderr, "Channel already enabled 3, HCCHAR = %08x\n", hcchar.d32); -+ hcchar.b.chdis = 1; -+ hcchar.b.chen = 1; -+ dwc_write_reg32(&hc_regs->hcchar, hcchar.d32); -+ //sleep(1); -+ MDELAY(1000); -+ -+ /* Read GINTSTS */ -+ gintsts.d32 = dwc_read_reg32(&global_regs->gintsts); -+ //fprintf(stderr, "GINTSTS: %08x\n", gintsts.d32); -+ -+ /* Read HAINT */ -+ haint.d32 = dwc_read_reg32(&hc_global_regs->haint); -+ //fprintf(stderr, "HAINT: %08x\n", haint.d32); -+ -+ /* Read HCINT */ -+ hcint.d32 = dwc_read_reg32(&hc_regs->hcint); -+ //fprintf(stderr, "HCINT: %08x\n", hcint.d32); -+ -+ /* Read HCCHAR */ -+ hcchar.d32 = dwc_read_reg32(&hc_regs->hcchar); -+ //fprintf(stderr, "HCCHAR: %08x\n", hcchar.d32); -+ -+ /* Clear HCINT */ -+ dwc_write_reg32(&hc_regs->hcint, hcint.d32); -+ -+ /* Clear HAINT */ -+ dwc_write_reg32(&hc_global_regs->haint, haint.d32); -+ -+ /* Clear GINTSTS */ -+ dwc_write_reg32(&global_regs->gintsts, gintsts.d32); -+ -+ hcchar.d32 = dwc_read_reg32(&hc_regs->hcchar); -+ //if (hcchar.b.chen) { -+ // fprintf(stderr, "** Channel _still_ enabled 3, HCCHAR = %08x **\n", hcchar.d32); -+ //} -+ } -+ -+ /* Set HCTSIZ */ -+ hctsiz.d32 = 0; -+ hctsiz.b.xfersize = 0; -+ hctsiz.b.pktcnt = 1; -+ hctsiz.b.pid = DWC_OTG_HC_PID_DATA1; -+ dwc_write_reg32(&hc_regs->hctsiz, hctsiz.d32); -+ -+ /* Set HCCHAR */ -+ hcchar.d32 = dwc_read_reg32(&hc_regs->hcchar); -+ hcchar.b.eptype = DWC_OTG_EP_TYPE_CONTROL; -+ hcchar.b.epdir = 0; -+ hcchar.b.epnum = 0; -+ hcchar.b.mps = 8; -+ hcchar.b.chen = 1; -+ dwc_write_reg32(&hc_regs->hcchar, hcchar.d32); -+ -+ gintsts.d32 = dwc_read_reg32(&global_regs->gintsts); -+ //fprintf(stderr, "Waiting for HCINTR intr 3, GINTSTS = %08x\n", gintsts.d32); -+ -+ /* Wait for host channel interrupt */ -+ do { -+ gintsts.d32 = dwc_read_reg32(&global_regs->gintsts); -+ } while (gintsts.b.hcintr == 0); -+ -+ //fprintf(stderr, "Got HCINTR intr 3, GINTSTS = %08x\n", gintsts.d32); -+ -+ /* Disable HCINTs */ -+ dwc_write_reg32(&hc_regs->hcintmsk, 0x0000); -+ -+ /* Disable HAINTs */ -+ dwc_write_reg32(&hc_global_regs->haintmsk, 0x0000); -+ -+ /* Read HAINT */ -+ haint.d32 = dwc_read_reg32(&hc_global_regs->haint); -+ //fprintf(stderr, "HAINT: %08x\n", haint.d32); -+ -+ /* Read HCINT */ -+ hcint.d32 = dwc_read_reg32(&hc_regs->hcint); -+ //fprintf(stderr, "HCINT: %08x\n", hcint.d32); -+ -+ /* Read HCCHAR */ -+ hcchar.d32 = dwc_read_reg32(&hc_regs->hcchar); -+ //fprintf(stderr, "HCCHAR: %08x\n", hcchar.d32); -+ -+ /* Clear HCINT */ -+ dwc_write_reg32(&hc_regs->hcint, hcint.d32); -+ -+ /* Clear HAINT */ -+ dwc_write_reg32(&hc_global_regs->haint, haint.d32); -+ -+ /* Clear GINTSTS */ -+ dwc_write_reg32(&global_regs->gintsts, gintsts.d32); -+ -+ /* Read GINTSTS */ -+ gintsts.d32 = dwc_read_reg32(&global_regs->gintsts); -+ //fprintf(stderr, "GINTSTS: %08x\n", gintsts.d32); -+} -+#endif /* DWC_HS_ELECT_TST */ -+ -+/** Handles hub class-specific requests.*/ -+int dwc_otg_hcd_hub_control(struct usb_hcd *_hcd, -+ u16 _typeReq, -+ u16 _wValue, -+ u16 _wIndex, -+ char *_buf, -+ u16 _wLength) -+{ -+ int retval = 0; -+ -+ dwc_otg_hcd_t *dwc_otg_hcd = hcd_to_dwc_otg_hcd (_hcd); -+ dwc_otg_core_if_t *core_if = hcd_to_dwc_otg_hcd (_hcd)->core_if; -+ struct usb_hub_descriptor *desc; -+ hprt0_data_t hprt0 = {.d32 = 0}; -+ -+ uint32_t port_status; -+ -+ switch (_typeReq) { -+ case ClearHubFeature: -+ DWC_DEBUGPL (DBG_HCD, "DWC OTG HCD HUB CONTROL - " -+ "ClearHubFeature 0x%x\n", _wValue); -+ switch (_wValue) { -+ case C_HUB_LOCAL_POWER: -+ case C_HUB_OVER_CURRENT: -+ /* Nothing required here */ -+ break; -+ default: -+ retval = -EINVAL; -+ DWC_ERROR ("DWC OTG HCD - " -+ "ClearHubFeature request %xh unknown\n", _wValue); -+ } -+ break; -+ case ClearPortFeature: -+ if (!_wIndex || _wIndex > 1) -+ goto error; -+ -+ switch (_wValue) { -+ case USB_PORT_FEAT_ENABLE: -+ DWC_DEBUGPL (DBG_ANY, "DWC OTG HCD HUB CONTROL - " -+ "ClearPortFeature USB_PORT_FEAT_ENABLE\n"); -+ hprt0.d32 = dwc_otg_read_hprt0 (core_if); -+ hprt0.b.prtena = 1; -+ dwc_write_reg32(core_if->host_if->hprt0, hprt0.d32); -+ break; -+ case USB_PORT_FEAT_SUSPEND: -+ DWC_DEBUGPL (DBG_HCD, "DWC OTG HCD HUB CONTROL - " -+ "ClearPortFeature USB_PORT_FEAT_SUSPEND\n"); -+ hprt0.d32 = dwc_otg_read_hprt0 (core_if); -+ hprt0.b.prtres = 1; -+ dwc_write_reg32(core_if->host_if->hprt0, hprt0.d32); -+ /* Clear Resume bit */ -+ mdelay (100); -+ hprt0.b.prtres = 0; -+ dwc_write_reg32(core_if->host_if->hprt0, hprt0.d32); -+ break; -+ case USB_PORT_FEAT_POWER: -+ DWC_DEBUGPL (DBG_HCD, "DWC OTG HCD HUB CONTROL - " -+ "ClearPortFeature USB_PORT_FEAT_POWER\n"); -+ hprt0.d32 = dwc_otg_read_hprt0 (core_if); -+ hprt0.b.prtpwr = 0; -+ dwc_write_reg32(core_if->host_if->hprt0, hprt0.d32); -+ break; -+ case USB_PORT_FEAT_INDICATOR: -+ DWC_DEBUGPL (DBG_HCD, "DWC OTG HCD HUB CONTROL - " -+ "ClearPortFeature USB_PORT_FEAT_INDICATOR\n"); -+ /* Port inidicator not supported */ -+ break; -+ case USB_PORT_FEAT_C_CONNECTION: -+ /* Clears drivers internal connect status change -+ * flag */ -+ DWC_DEBUGPL (DBG_HCD, "DWC OTG HCD HUB CONTROL - " -+ "ClearPortFeature USB_PORT_FEAT_C_CONNECTION\n"); -+ dwc_otg_hcd->flags.b.port_connect_status_change = 0; -+ break; -+ case USB_PORT_FEAT_C_RESET: -+ /* Clears the driver's internal Port Reset Change -+ * flag */ -+ DWC_DEBUGPL (DBG_HCD, "DWC OTG HCD HUB CONTROL - " -+ "ClearPortFeature USB_PORT_FEAT_C_RESET\n"); -+ dwc_otg_hcd->flags.b.port_reset_change = 0; -+ break; -+ case USB_PORT_FEAT_C_ENABLE: -+ /* Clears the driver's internal Port -+ * Enable/Disable Change flag */ -+ DWC_DEBUGPL (DBG_HCD, "DWC OTG HCD HUB CONTROL - " -+ "ClearPortFeature USB_PORT_FEAT_C_ENABLE\n"); -+ dwc_otg_hcd->flags.b.port_enable_change = 0; -+ break; -+ case USB_PORT_FEAT_C_SUSPEND: -+ /* Clears the driver's internal Port Suspend -+ * Change flag, which is set when resume signaling on -+ * the host port is complete */ -+ DWC_DEBUGPL (DBG_HCD, "DWC OTG HCD HUB CONTROL - " -+ "ClearPortFeature USB_PORT_FEAT_C_SUSPEND\n"); -+ dwc_otg_hcd->flags.b.port_suspend_change = 0; -+ break; -+ case USB_PORT_FEAT_C_OVER_CURRENT: -+ DWC_DEBUGPL (DBG_HCD, "DWC OTG HCD HUB CONTROL - " -+ "ClearPortFeature USB_PORT_FEAT_C_OVER_CURRENT\n"); -+ dwc_otg_hcd->flags.b.port_over_current_change = 0; -+ break; -+ default: -+ retval = -EINVAL; -+ DWC_ERROR ("DWC OTG HCD - " -+ "ClearPortFeature request %xh " -+ "unknown or unsupported\n", _wValue); -+ } -+ break; -+ case GetHubDescriptor: -+ DWC_DEBUGPL (DBG_HCD, "DWC OTG HCD HUB CONTROL - " -+ "GetHubDescriptor\n"); -+ desc = (struct usb_hub_descriptor *)_buf; -+ desc->bDescLength = 9; -+ desc->bDescriptorType = 0x29; -+ desc->bNbrPorts = 1; -+ desc->wHubCharacteristics = 0x08; -+ desc->bPwrOn2PwrGood = 1; -+ desc->bHubContrCurrent = 0; -+ desc->bitmap[0] = 0; -+ desc->bitmap[1] = 0xff; -+ break; -+ case GetHubStatus: -+ DWC_DEBUGPL (DBG_HCD, "DWC OTG HCD HUB CONTROL - " -+ "GetHubStatus\n"); -+ memset (_buf, 0, 4); -+ break; -+ case GetPortStatus: -+ DWC_DEBUGPL (DBG_HCD, "DWC OTG HCD HUB CONTROL - " -+ "GetPortStatus\n"); -+ -+ if (!_wIndex || _wIndex > 1) -+ goto error; -+ -+ port_status = 0; -+ -+ if (dwc_otg_hcd->flags.b.port_connect_status_change) -+ port_status |= (1 << USB_PORT_FEAT_C_CONNECTION); -+ -+ if (dwc_otg_hcd->flags.b.port_enable_change) -+ port_status |= (1 << USB_PORT_FEAT_C_ENABLE); -+ -+ if (dwc_otg_hcd->flags.b.port_suspend_change) -+ port_status |= (1 << USB_PORT_FEAT_C_SUSPEND); -+ -+ if (dwc_otg_hcd->flags.b.port_reset_change) -+ port_status |= (1 << USB_PORT_FEAT_C_RESET); -+ -+ if (dwc_otg_hcd->flags.b.port_over_current_change) { -+ DWC_ERROR("Device Not Supported\n"); -+ port_status |= (1 << USB_PORT_FEAT_C_OVER_CURRENT); -+ } -+ -+ if (!dwc_otg_hcd->flags.b.port_connect_status) { -+ printk("DISCONNECTED PORT\n"); -+ /* -+ * The port is disconnected, which means the core is -+ * either in device mode or it soon will be. Just -+ * return 0's for the remainder of the port status -+ * since the port register can't be read if the core -+ * is in device mode. -+ */ -+#if 1 // winder. -+ *((u32 *) _buf) = cpu_to_le32(port_status); -+#else -+ *((__le32 *) _buf) = cpu_to_le32(port_status); -+#endif -+ break; -+ } -+ -+ hprt0.d32 = dwc_read_reg32(core_if->host_if->hprt0); -+ DWC_DEBUGPL(DBG_HCDV, " HPRT0: 0x%08x\n", hprt0.d32); -+ -+ if (hprt0.b.prtconnsts) -+ port_status |= (1 << USB_PORT_FEAT_CONNECTION); -+ -+ if (hprt0.b.prtena) -+ port_status |= (1 << USB_PORT_FEAT_ENABLE); -+ -+ if (hprt0.b.prtsusp) -+ port_status |= (1 << USB_PORT_FEAT_SUSPEND); -+ -+ if (hprt0.b.prtovrcurract) -+ port_status |= (1 << USB_PORT_FEAT_OVER_CURRENT); -+ -+ if (hprt0.b.prtrst) -+ port_status |= (1 << USB_PORT_FEAT_RESET); -+ -+ if (hprt0.b.prtpwr) -+ port_status |= (1 << USB_PORT_FEAT_POWER); -+ -+ if (hprt0.b.prtspd == DWC_HPRT0_PRTSPD_HIGH_SPEED) -+ port_status |= USB_PORT_STAT_HIGH_SPEED; -+ -+ else if (hprt0.b.prtspd == DWC_HPRT0_PRTSPD_LOW_SPEED) -+ port_status |= (1 << USB_PORT_FEAT_LOWSPEED); -+ -+ if (hprt0.b.prttstctl) -+ port_status |= (1 << USB_PORT_FEAT_TEST); -+ -+ /* USB_PORT_FEAT_INDICATOR unsupported always 0 */ -+#if 1 // winder. -+ *((u32 *) _buf) = cpu_to_le32(port_status); -+#else -+ *((__le32 *) _buf) = cpu_to_le32(port_status); -+#endif -+ -+ break; -+ case SetHubFeature: -+ DWC_DEBUGPL (DBG_HCD, "DWC OTG HCD HUB CONTROL - " -+ "SetHubFeature\n"); -+ /* No HUB features supported */ -+ break; -+ case SetPortFeature: -+ if (_wValue != USB_PORT_FEAT_TEST && (!_wIndex || _wIndex > 1)) -+ goto error; -+ -+ if (!dwc_otg_hcd->flags.b.port_connect_status) { -+ /* -+ * The port is disconnected, which means the core is -+ * either in device mode or it soon will be. Just -+ * return without doing anything since the port -+ * register can't be written if the core is in device -+ * mode. -+ */ -+ break; -+ } -+ -+ switch (_wValue) { -+ case USB_PORT_FEAT_SUSPEND: -+ DWC_DEBUGPL (DBG_HCD, "DWC OTG HCD HUB CONTROL - " -+ "SetPortFeature - USB_PORT_FEAT_SUSPEND\n"); -+ if (_hcd->self.otg_port == _wIndex -+ && _hcd->self.b_hnp_enable) { -+ gotgctl_data_t gotgctl = {.d32=0}; -+ gotgctl.b.hstsethnpen = 1; -+ dwc_modify_reg32(&core_if->core_global_regs-> -+ gotgctl, 0, gotgctl.d32); -+ core_if->op_state = A_SUSPEND; -+ } -+ hprt0.d32 = dwc_otg_read_hprt0 (core_if); -+ hprt0.b.prtsusp = 1; -+ dwc_write_reg32(core_if->host_if->hprt0, hprt0.d32); -+ //DWC_PRINT( "SUSPEND: HPRT0=%0x\n", hprt0.d32); -+ /* Suspend the Phy Clock */ -+ { -+ pcgcctl_data_t pcgcctl = {.d32=0}; -+ pcgcctl.b.stoppclk = 1; -+ dwc_write_reg32(core_if->pcgcctl, pcgcctl.d32); -+ } -+ -+ /* For HNP the bus must be suspended for at least 200ms.*/ -+ if (_hcd->self.b_hnp_enable) { -+ mdelay(200); -+ //DWC_PRINT( "SUSPEND: wait complete! (%d)\n", _hcd->state); -+ } -+ break; -+ case USB_PORT_FEAT_POWER: -+ DWC_DEBUGPL (DBG_HCD, "DWC OTG HCD HUB CONTROL - " -+ "SetPortFeature - USB_PORT_FEAT_POWER\n"); -+ hprt0.d32 = dwc_otg_read_hprt0 (core_if); -+ hprt0.b.prtpwr = 1; -+ dwc_write_reg32(core_if->host_if->hprt0, hprt0.d32); -+ break; -+ case USB_PORT_FEAT_RESET: -+ DWC_DEBUGPL (DBG_HCD, "DWC OTG HCD HUB CONTROL - " -+ "SetPortFeature - USB_PORT_FEAT_RESET\n"); -+ hprt0.d32 = dwc_otg_read_hprt0 (core_if); -+ /* TODO: Is this for OTG protocol?? -+ * We shoudl remove OTG totally for Danube system. -+ * But, in the future, maybe we need this. -+ */ -+#if 1 // winder -+ hprt0.b.prtrst = 1; -+ dwc_write_reg32(core_if->host_if->hprt0, hprt0.d32); -+#else -+ /* When B-Host the Port reset bit is set in -+ * the Start HCD Callback function, so that -+ * the reset is started within 1ms of the HNP -+ * success interrupt. */ -+ if (!_hcd->self.is_b_host) { -+ hprt0.b.prtrst = 1; -+ dwc_write_reg32(core_if->host_if->hprt0, hprt0.d32); -+ } -+#endif -+ /* Clear reset bit in 10ms (FS/LS) or 50ms (HS) */ -+ MDELAY (60); -+ hprt0.b.prtrst = 0; -+ dwc_write_reg32(core_if->host_if->hprt0, hprt0.d32); -+ break; -+ -+#ifdef DWC_HS_ELECT_TST -+ case USB_PORT_FEAT_TEST: -+ { -+ uint32_t t; -+ gintmsk_data_t gintmsk; -+ -+ t = (_wIndex >> 8); /* MSB wIndex USB */ -+ DWC_DEBUGPL (DBG_HCD, "DWC OTG HCD HUB CONTROL - " -+ "SetPortFeature - USB_PORT_FEAT_TEST %d\n", t); -+ printk("USB_PORT_FEAT_TEST %d\n", t); -+ if (t < 6) { -+ hprt0.d32 = dwc_otg_read_hprt0 (core_if); -+ hprt0.b.prttstctl = t; -+ dwc_write_reg32(core_if->host_if->hprt0, hprt0.d32); -+ } else { -+ /* Setup global vars with reg addresses (quick and -+ * dirty hack, should be cleaned up) -+ */ -+ global_regs = core_if->core_global_regs; -+ hc_global_regs = core_if->host_if->host_global_regs; -+ hc_regs = (dwc_otg_hc_regs_t *)((char *)global_regs + 0x500); -+ data_fifo = (uint32_t *)((char *)global_regs + 0x1000); -+ -+ if (t == 6) { /* HS_HOST_PORT_SUSPEND_RESUME */ -+ /* Save current interrupt mask */ -+ gintmsk.d32 = dwc_read_reg32(&global_regs->gintmsk); -+ -+ /* Disable all interrupts while we muck with -+ * the hardware directly -+ */ -+ dwc_write_reg32(&global_regs->gintmsk, 0); -+ -+ /* 15 second delay per the test spec */ -+ mdelay(15000); -+ -+ /* Drive suspend on the root port */ -+ hprt0.d32 = dwc_otg_read_hprt0 (core_if); -+ hprt0.b.prtsusp = 1; -+ hprt0.b.prtres = 0; -+ dwc_write_reg32(core_if->host_if->hprt0, hprt0.d32); -+ -+ /* 15 second delay per the test spec */ -+ mdelay(15000); -+ -+ /* Drive resume on the root port */ -+ hprt0.d32 = dwc_otg_read_hprt0 (core_if); -+ hprt0.b.prtsusp = 0; -+ hprt0.b.prtres = 1; -+ dwc_write_reg32(core_if->host_if->hprt0, hprt0.d32); -+ mdelay(100); -+ -+ /* Clear the resume bit */ -+ hprt0.b.prtres = 0; -+ dwc_write_reg32(core_if->host_if->hprt0, hprt0.d32); -+ -+ /* Restore interrupts */ -+ dwc_write_reg32(&global_regs->gintmsk, gintmsk.d32); -+ } else if (t == 7) { /* SINGLE_STEP_GET_DEVICE_DESCRIPTOR setup */ -+ /* Save current interrupt mask */ -+ gintmsk.d32 = dwc_read_reg32(&global_regs->gintmsk); -+ -+ /* Disable all interrupts while we muck with -+ * the hardware directly -+ */ -+ dwc_write_reg32(&global_regs->gintmsk, 0); -+ -+ /* 15 second delay per the test spec */ -+ mdelay(15000); -+ -+ /* Send the Setup packet */ -+ do_setup(); -+ -+ /* 15 second delay so nothing else happens for awhile */ -+ mdelay(15000); -+ -+ /* Restore interrupts */ -+ dwc_write_reg32(&global_regs->gintmsk, gintmsk.d32); -+ } else if (t == 8) { /* SINGLE_STEP_GET_DEVICE_DESCRIPTOR execute */ -+ /* Save current interrupt mask */ -+ gintmsk.d32 = dwc_read_reg32(&global_regs->gintmsk); -+ -+ /* Disable all interrupts while we muck with -+ * the hardware directly -+ */ -+ dwc_write_reg32(&global_regs->gintmsk, 0); -+ -+ /* Send the Setup packet */ -+ do_setup(); -+ -+ /* 15 second delay so nothing else happens for awhile */ -+ mdelay(15000); -+ -+ /* Send the In and Ack packets */ -+ do_in_ack(); -+ -+ /* 15 second delay so nothing else happens for awhile */ -+ mdelay(15000); -+ -+ /* Restore interrupts */ -+ dwc_write_reg32(&global_regs->gintmsk, gintmsk.d32); -+ } -+ } -+ break; -+ } -+#endif /* DWC_HS_ELECT_TST */ -+ -+ case USB_PORT_FEAT_INDICATOR: -+ DWC_DEBUGPL (DBG_HCD, "DWC OTG HCD HUB CONTROL - " -+ "SetPortFeature - USB_PORT_FEAT_INDICATOR\n"); -+ /* Not supported */ -+ break; -+ default: -+ retval = -EINVAL; -+ DWC_ERROR ("DWC OTG HCD - " -+ "SetPortFeature request %xh " -+ "unknown or unsupported\n", _wValue); -+ break; -+ } -+ break; -+ default: -+error: -+ retval = -EINVAL; -+ DWC_WARN ("DWC OTG HCD - " -+ "Unknown hub control request type or invalid typeReq: %xh wIndex: %xh wValue: %xh\n", -+ _typeReq, _wIndex, _wValue); -+ break; -+ } -+ -+ return retval; -+} -+ -+ -+/** -+ * Assigns transactions from a QTD to a free host channel and initializes the -+ * host channel to perform the transactions. The host channel is removed from -+ * the free list. -+ * -+ * @param _hcd The HCD state structure. -+ * @param _qh Transactions from the first QTD for this QH are selected and -+ * assigned to a free host channel. -+ */ -+static void assign_and_init_hc(dwc_otg_hcd_t *_hcd, dwc_otg_qh_t *_qh) -+{ -+ dwc_hc_t *hc; -+ dwc_otg_qtd_t *qtd; -+ struct urb *urb; -+ -+ DWC_DEBUGPL(DBG_HCDV, "%s(%p,%p)\n", __func__, _hcd, _qh); -+ -+ hc = list_entry(_hcd->free_hc_list.next, dwc_hc_t, hc_list_entry); -+ -+ /* Remove the host channel from the free list. */ -+ list_del_init(&hc->hc_list_entry); -+ -+ qtd = list_entry(_qh->qtd_list.next, dwc_otg_qtd_t, qtd_list_entry); -+ urb = qtd->urb; -+ _qh->channel = hc; -+ _qh->qtd_in_process = qtd; -+ -+ /* -+ * Use usb_pipedevice to determine device address. This address is -+ * 0 before the SET_ADDRESS command and the correct address afterward. -+ */ -+ hc->dev_addr = usb_pipedevice(urb->pipe); -+ hc->ep_num = usb_pipeendpoint(urb->pipe); -+ -+ if (urb->dev->speed == USB_SPEED_LOW) { -+ hc->speed = DWC_OTG_EP_SPEED_LOW; -+ } else if (urb->dev->speed == USB_SPEED_FULL) { -+ hc->speed = DWC_OTG_EP_SPEED_FULL; -+ } else { -+ hc->speed = DWC_OTG_EP_SPEED_HIGH; -+ } -+ hc->max_packet = dwc_max_packet(_qh->maxp); -+ -+ hc->xfer_started = 0; -+ hc->halt_status = DWC_OTG_HC_XFER_NO_HALT_STATUS; -+ hc->error_state = (qtd->error_count > 0); -+ hc->halt_on_queue = 0; -+ hc->halt_pending = 0; -+ hc->requests = 0; -+ -+ /* -+ * The following values may be modified in the transfer type section -+ * below. The xfer_len value may be reduced when the transfer is -+ * started to accommodate the max widths of the XferSize and PktCnt -+ * fields in the HCTSIZn register. -+ */ -+ hc->do_ping = _qh->ping_state; -+ hc->ep_is_in = (usb_pipein(urb->pipe) != 0); -+ hc->data_pid_start = _qh->data_toggle; -+ hc->multi_count = 1; -+ -+ if (_hcd->core_if->dma_enable) { -+ hc->xfer_buff = (uint8_t *)(u32)urb->transfer_dma + urb->actual_length; -+ } else { -+ hc->xfer_buff = (uint8_t *)urb->transfer_buffer + urb->actual_length; -+ } -+ hc->xfer_len = urb->transfer_buffer_length - urb->actual_length; -+ hc->xfer_count = 0; -+ -+ /* -+ * Set the split attributes -+ */ -+ hc->do_split = 0; -+ if (_qh->do_split) { -+ hc->do_split = 1; -+ hc->xact_pos = qtd->isoc_split_pos; -+ hc->complete_split = qtd->complete_split; -+ hc->hub_addr = urb->dev->tt->hub->devnum; -+ hc->port_addr = urb->dev->ttport; -+ } -+ -+ switch (usb_pipetype(urb->pipe)) { -+ case PIPE_CONTROL: -+ hc->ep_type = DWC_OTG_EP_TYPE_CONTROL; -+ switch (qtd->control_phase) { -+ case DWC_OTG_CONTROL_SETUP: -+ DWC_DEBUGPL(DBG_HCDV, " Control setup transaction\n"); -+ hc->do_ping = 0; -+ hc->ep_is_in = 0; -+ hc->data_pid_start = DWC_OTG_HC_PID_SETUP; -+ if (_hcd->core_if->dma_enable) { -+ hc->xfer_buff = (uint8_t *)(u32)urb->setup_dma; -+ } else { -+ hc->xfer_buff = (uint8_t *)urb->setup_packet; -+ } -+ hc->xfer_len = 8; -+ break; -+ case DWC_OTG_CONTROL_DATA: -+ DWC_DEBUGPL(DBG_HCDV, " Control data transaction\n"); -+ hc->data_pid_start = qtd->data_toggle; -+ break; -+ case DWC_OTG_CONTROL_STATUS: -+ /* -+ * Direction is opposite of data direction or IN if no -+ * data. -+ */ -+ DWC_DEBUGPL(DBG_HCDV, " Control status transaction\n"); -+ if (urb->transfer_buffer_length == 0) { -+ hc->ep_is_in = 1; -+ } else { -+ hc->ep_is_in = (usb_pipein(urb->pipe) != USB_DIR_IN); -+ } -+ if (hc->ep_is_in) { -+ hc->do_ping = 0; -+ } -+ hc->data_pid_start = DWC_OTG_HC_PID_DATA1; -+ hc->xfer_len = 0; -+ if (_hcd->core_if->dma_enable) { -+ hc->xfer_buff = (uint8_t *)_hcd->status_buf_dma; -+ } else { -+ hc->xfer_buff = (uint8_t *)_hcd->status_buf; -+ } -+ break; -+ } -+ break; -+ case PIPE_BULK: -+ hc->ep_type = DWC_OTG_EP_TYPE_BULK; -+ break; -+ case PIPE_INTERRUPT: -+ hc->ep_type = DWC_OTG_EP_TYPE_INTR; -+ break; -+ case PIPE_ISOCHRONOUS: -+ { -+ struct usb_iso_packet_descriptor *frame_desc; -+ frame_desc = &urb->iso_frame_desc[qtd->isoc_frame_index]; -+ hc->ep_type = DWC_OTG_EP_TYPE_ISOC; -+ if (_hcd->core_if->dma_enable) { -+ hc->xfer_buff = (uint8_t *)(u32)urb->transfer_dma; -+ } else { -+ hc->xfer_buff = (uint8_t *)urb->transfer_buffer; -+ } -+ hc->xfer_buff += frame_desc->offset + qtd->isoc_split_offset; -+ hc->xfer_len = frame_desc->length - qtd->isoc_split_offset; -+ -+ if (hc->xact_pos == DWC_HCSPLIT_XACTPOS_ALL) { -+ if (hc->xfer_len <= 188) { -+ hc->xact_pos = DWC_HCSPLIT_XACTPOS_ALL; -+ } -+ else { -+ hc->xact_pos = DWC_HCSPLIT_XACTPOS_BEGIN; -+ } -+ } -+ } -+ break; -+ } -+ -+ if (hc->ep_type == DWC_OTG_EP_TYPE_INTR || -+ hc->ep_type == DWC_OTG_EP_TYPE_ISOC) { -+ /* -+ * This value may be modified when the transfer is started to -+ * reflect the actual transfer length. -+ */ -+ hc->multi_count = dwc_hb_mult(_qh->maxp); -+ } -+ -+ dwc_otg_hc_init(_hcd->core_if, hc); -+ hc->qh = _qh; -+} -+#define DEBUG_HOST_CHANNELS -+#ifdef DEBUG_HOST_CHANNELS -+static int last_sel_trans_num_per_scheduled = 0; -+module_param(last_sel_trans_num_per_scheduled, int, 0444); -+ -+static int last_sel_trans_num_nonper_scheduled = 0; -+module_param(last_sel_trans_num_nonper_scheduled, int, 0444); -+ -+static int last_sel_trans_num_avail_hc_at_start = 0; -+module_param(last_sel_trans_num_avail_hc_at_start, int, 0444); -+ -+static int last_sel_trans_num_avail_hc_at_end = 0; -+module_param(last_sel_trans_num_avail_hc_at_end, int, 0444); -+#endif /* DEBUG_HOST_CHANNELS */ -+ -+/** -+ * This function selects transactions from the HCD transfer schedule and -+ * assigns them to available host channels. It is called from HCD interrupt -+ * handler functions. -+ * -+ * @param _hcd The HCD state structure. -+ * -+ * @return The types of new transactions that were assigned to host channels. -+ */ -+dwc_otg_transaction_type_e dwc_otg_hcd_select_transactions(dwc_otg_hcd_t *_hcd) -+{ -+ struct list_head *qh_ptr; -+ dwc_otg_qh_t *qh; -+ int num_channels; -+ unsigned long flags; -+ dwc_otg_transaction_type_e ret_val = DWC_OTG_TRANSACTION_NONE; -+ -+#ifdef DEBUG_SOF -+ DWC_DEBUGPL(DBG_HCD, " Select Transactions\n"); -+#endif /* */ -+ -+#ifdef DEBUG_HOST_CHANNELS -+ last_sel_trans_num_per_scheduled = 0; -+ last_sel_trans_num_nonper_scheduled = 0; -+ last_sel_trans_num_avail_hc_at_start = _hcd->available_host_channels; -+#endif /* DEBUG_HOST_CHANNELS */ -+ -+ /* Process entries in the periodic ready list. */ -+ num_channels = _hcd->core_if->core_params->host_channels; -+ qh_ptr = _hcd->periodic_sched_ready.next; -+ while (qh_ptr != &_hcd->periodic_sched_ready -+ && !list_empty(&_hcd->free_hc_list)) { -+ -+ // Make sure we leave one channel for non periodic transactions. -+ local_irq_save(flags); -+ if (_hcd->available_host_channels <= 1) { -+ local_irq_restore(flags); -+ break; -+ } -+ _hcd->available_host_channels--; -+ local_irq_restore(flags); -+#ifdef DEBUG_HOST_CHANNELS -+ last_sel_trans_num_per_scheduled++; -+#endif /* DEBUG_HOST_CHANNELS */ -+ -+ qh = list_entry(qh_ptr, dwc_otg_qh_t, qh_list_entry); -+ assign_and_init_hc(_hcd, qh); -+ -+ /* -+ * Move the QH from the periodic ready schedule to the -+ * periodic assigned schedule. -+ */ -+ qh_ptr = qh_ptr->next; -+ local_irq_save(flags); -+ list_move(&qh->qh_list_entry, &_hcd->periodic_sched_assigned); -+ local_irq_restore(flags); -+ ret_val = DWC_OTG_TRANSACTION_PERIODIC; -+ } -+ -+ /* -+ * Process entries in the deferred portion of the non-periodic list. -+ * A NAK put them here and, at the right time, they need to be -+ * placed on the sched_inactive list. -+ */ -+ qh_ptr = _hcd->non_periodic_sched_deferred.next; -+ while (qh_ptr != &_hcd->non_periodic_sched_deferred) { -+ uint16_t frame_number = -+ dwc_otg_hcd_get_frame_number(dwc_otg_hcd_to_hcd(_hcd)); -+ qh = list_entry(qh_ptr, dwc_otg_qh_t, qh_list_entry); -+ qh_ptr = qh_ptr->next; -+ -+ if (dwc_frame_num_le(qh->sched_frame, frame_number)) { -+ // NAK did this -+ /* -+ * Move the QH from the non periodic deferred schedule to -+ * the non periodic inactive schedule. -+ */ -+ local_irq_save(flags); -+ list_move(&qh->qh_list_entry, -+ &_hcd->non_periodic_sched_inactive); -+ local_irq_restore(flags); -+ } -+ } -+ -+ /* -+ * Process entries in the inactive portion of the non-periodic -+ * schedule. Some free host channels may not be used if they are -+ * reserved for periodic transfers. -+ */ -+ qh_ptr = _hcd->non_periodic_sched_inactive.next; -+ num_channels = _hcd->core_if->core_params->host_channels; -+ while (qh_ptr != &_hcd->non_periodic_sched_inactive -+ && !list_empty(&_hcd->free_hc_list)) { -+ -+ local_irq_save(flags); -+ if (_hcd->available_host_channels < 1) { -+ local_irq_restore(flags); -+ break; -+ } -+ _hcd->available_host_channels--; -+ local_irq_restore(flags); -+#ifdef DEBUG_HOST_CHANNELS -+ last_sel_trans_num_nonper_scheduled++; -+#endif /* DEBUG_HOST_CHANNELS */ -+ -+ qh = list_entry(qh_ptr, dwc_otg_qh_t, qh_list_entry); -+ assign_and_init_hc(_hcd, qh); -+ -+ /* -+ * Move the QH from the non-periodic inactive schedule to the -+ * non-periodic active schedule. -+ */ -+ qh_ptr = qh_ptr->next; -+ local_irq_save(flags); -+ list_move(&qh->qh_list_entry, &_hcd->non_periodic_sched_active); -+ local_irq_restore(flags); -+ -+ if (ret_val == DWC_OTG_TRANSACTION_NONE) { -+ ret_val = DWC_OTG_TRANSACTION_NON_PERIODIC; -+ } else { -+ ret_val = DWC_OTG_TRANSACTION_ALL; -+ } -+ -+ } -+#ifdef DEBUG_HOST_CHANNELS -+ last_sel_trans_num_avail_hc_at_end = _hcd->available_host_channels; -+#endif /* DEBUG_HOST_CHANNELS */ -+ -+ return ret_val; -+} -+ -+/** -+ * Attempts to queue a single transaction request for a host channel -+ * associated with either a periodic or non-periodic transfer. This function -+ * assumes that there is space available in the appropriate request queue. For -+ * an OUT transfer or SETUP transaction in Slave mode, it checks whether space -+ * is available in the appropriate Tx FIFO. -+ * -+ * @param _hcd The HCD state structure. -+ * @param _hc Host channel descriptor associated with either a periodic or -+ * non-periodic transfer. -+ * @param _fifo_dwords_avail Number of DWORDs available in the periodic Tx -+ * FIFO for periodic transfers or the non-periodic Tx FIFO for non-periodic -+ * transfers. -+ * -+ * @return 1 if a request is queued and more requests may be needed to -+ * complete the transfer, 0 if no more requests are required for this -+ * transfer, -1 if there is insufficient space in the Tx FIFO. -+ */ -+static int queue_transaction(dwc_otg_hcd_t *_hcd, -+ dwc_hc_t *_hc, -+ uint16_t _fifo_dwords_avail) -+{ -+ int retval; -+ -+ if (_hcd->core_if->dma_enable) { -+ if (!_hc->xfer_started) { -+ dwc_otg_hc_start_transfer(_hcd->core_if, _hc); -+ _hc->qh->ping_state = 0; -+ } -+ retval = 0; -+ } else if (_hc->halt_pending) { -+ /* Don't queue a request if the channel has been halted. */ -+ retval = 0; -+ } else if (_hc->halt_on_queue) { -+ dwc_otg_hc_halt(_hcd->core_if, _hc, _hc->halt_status); -+ retval = 0; -+ } else if (_hc->do_ping) { -+ if (!_hc->xfer_started) { -+ dwc_otg_hc_start_transfer(_hcd->core_if, _hc); -+ } -+ retval = 0; -+ } else if (!_hc->ep_is_in || -+ _hc->data_pid_start == DWC_OTG_HC_PID_SETUP) { -+ if ((_fifo_dwords_avail * 4) >= _hc->max_packet) { -+ if (!_hc->xfer_started) { -+ dwc_otg_hc_start_transfer(_hcd->core_if, _hc); -+ retval = 1; -+ } else { -+ retval = dwc_otg_hc_continue_transfer(_hcd->core_if, _hc); -+ } -+ } else { -+ retval = -1; -+ } -+ } else { -+ if (!_hc->xfer_started) { -+ dwc_otg_hc_start_transfer(_hcd->core_if, _hc); -+ retval = 1; -+ } else { -+ retval = dwc_otg_hc_continue_transfer(_hcd->core_if, _hc); -+ } -+ } -+ -+ return retval; -+} -+ -+/** -+ * Processes active non-periodic channels and queues transactions for these -+ * channels to the DWC_otg controller. After queueing transactions, the NP Tx -+ * FIFO Empty interrupt is enabled if there are more transactions to queue as -+ * NP Tx FIFO or request queue space becomes available. Otherwise, the NP Tx -+ * FIFO Empty interrupt is disabled. -+ */ -+static void process_non_periodic_channels(dwc_otg_hcd_t *_hcd) -+{ -+ gnptxsts_data_t tx_status; -+ struct list_head *orig_qh_ptr; -+ dwc_otg_qh_t *qh; -+ int status; -+ int no_queue_space = 0; -+ int no_fifo_space = 0; -+ int more_to_do = 0; -+ -+ dwc_otg_core_global_regs_t *global_regs = _hcd->core_if->core_global_regs; -+ -+ DWC_DEBUGPL(DBG_HCDV, "Queue non-periodic transactions\n"); -+#ifdef DEBUG -+ tx_status.d32 = dwc_read_reg32(&global_regs->gnptxsts); -+ DWC_DEBUGPL(DBG_HCDV, " NP Tx Req Queue Space Avail (before queue): %d\n", -+ tx_status.b.nptxqspcavail); -+ DWC_DEBUGPL(DBG_HCDV, " NP Tx FIFO Space Avail (before queue): %d\n", -+ tx_status.b.nptxfspcavail); -+#endif -+ /* -+ * Keep track of the starting point. Skip over the start-of-list -+ * entry. -+ */ -+ if (_hcd->non_periodic_qh_ptr == &_hcd->non_periodic_sched_active) { -+ _hcd->non_periodic_qh_ptr = _hcd->non_periodic_qh_ptr->next; -+ } -+ orig_qh_ptr = _hcd->non_periodic_qh_ptr; -+ -+ /* -+ * Process once through the active list or until no more space is -+ * available in the request queue or the Tx FIFO. -+ */ -+ do { -+ tx_status.d32 = dwc_read_reg32(&global_regs->gnptxsts); -+ if (!_hcd->core_if->dma_enable && tx_status.b.nptxqspcavail == 0) { -+ no_queue_space = 1; -+ break; -+ } -+ -+ qh = list_entry(_hcd->non_periodic_qh_ptr, dwc_otg_qh_t, qh_list_entry); -+ status = queue_transaction(_hcd, qh->channel, tx_status.b.nptxfspcavail); -+ -+ if (status > 0) { -+ more_to_do = 1; -+ } else if (status < 0) { -+ no_fifo_space = 1; -+ break; -+ } -+ -+ /* Advance to next QH, skipping start-of-list entry. */ -+ _hcd->non_periodic_qh_ptr = _hcd->non_periodic_qh_ptr->next; -+ if (_hcd->non_periodic_qh_ptr == &_hcd->non_periodic_sched_active) { -+ _hcd->non_periodic_qh_ptr = _hcd->non_periodic_qh_ptr->next; -+ } -+ -+ } while (_hcd->non_periodic_qh_ptr != orig_qh_ptr); -+ -+ if (!_hcd->core_if->dma_enable) { -+ gintmsk_data_t intr_mask = {.d32 = 0}; -+ intr_mask.b.nptxfempty = 1; -+ -+#ifdef DEBUG -+ tx_status.d32 = dwc_read_reg32(&global_regs->gnptxsts); -+ DWC_DEBUGPL(DBG_HCDV, " NP Tx Req Queue Space Avail (after queue): %d\n", -+ tx_status.b.nptxqspcavail); -+ DWC_DEBUGPL(DBG_HCDV, " NP Tx FIFO Space Avail (after queue): %d\n", -+ tx_status.b.nptxfspcavail); -+#endif -+ if (more_to_do || no_queue_space || no_fifo_space) { -+ /* -+ * May need to queue more transactions as the request -+ * queue or Tx FIFO empties. Enable the non-periodic -+ * Tx FIFO empty interrupt. (Always use the half-empty -+ * level to ensure that new requests are loaded as -+ * soon as possible.) -+ */ -+ dwc_modify_reg32(&global_regs->gintmsk, 0, intr_mask.d32); -+ } else { -+ /* -+ * Disable the Tx FIFO empty interrupt since there are -+ * no more transactions that need to be queued right -+ * now. This function is called from interrupt -+ * handlers to queue more transactions as transfer -+ * states change. -+ */ -+ dwc_modify_reg32(&global_regs->gintmsk, intr_mask.d32, 0); -+ } -+ } -+} -+ -+/** -+ * Processes periodic channels for the next frame and queues transactions for -+ * these channels to the DWC_otg controller. After queueing transactions, the -+ * Periodic Tx FIFO Empty interrupt is enabled if there are more transactions -+ * to queue as Periodic Tx FIFO or request queue space becomes available. -+ * Otherwise, the Periodic Tx FIFO Empty interrupt is disabled. -+ */ -+static void process_periodic_channels(dwc_otg_hcd_t *_hcd) -+{ -+ hptxsts_data_t tx_status; -+ struct list_head *qh_ptr; -+ dwc_otg_qh_t *qh; -+ int status; -+ int no_queue_space = 0; -+ int no_fifo_space = 0; -+ -+ dwc_otg_host_global_regs_t *host_regs; -+ host_regs = _hcd->core_if->host_if->host_global_regs; -+ -+ DWC_DEBUGPL(DBG_HCDV, "Queue periodic transactions\n"); -+#ifdef DEBUG -+ tx_status.d32 = dwc_read_reg32(&host_regs->hptxsts); -+ DWC_DEBUGPL(DBG_HCDV, " P Tx Req Queue Space Avail (before queue): %d\n", -+ tx_status.b.ptxqspcavail); -+ DWC_DEBUGPL(DBG_HCDV, " P Tx FIFO Space Avail (before queue): %d\n", -+ tx_status.b.ptxfspcavail); -+#endif -+ -+ qh_ptr = _hcd->periodic_sched_assigned.next; -+ while (qh_ptr != &_hcd->periodic_sched_assigned) { -+ tx_status.d32 = dwc_read_reg32(&host_regs->hptxsts); -+ if (tx_status.b.ptxqspcavail == 0) { -+ no_queue_space = 1; -+ break; -+ } -+ -+ qh = list_entry(qh_ptr, dwc_otg_qh_t, qh_list_entry); -+ -+ /* -+ * Set a flag if we're queuing high-bandwidth in slave mode. -+ * The flag prevents any halts to get into the request queue in -+ * the middle of multiple high-bandwidth packets getting queued. -+ */ -+ if ((!_hcd->core_if->dma_enable) && -+ (qh->channel->multi_count > 1)) -+ { -+ _hcd->core_if->queuing_high_bandwidth = 1; -+ } -+ -+ status = queue_transaction(_hcd, qh->channel, tx_status.b.ptxfspcavail); -+ if (status < 0) { -+ no_fifo_space = 1; -+ break; -+ } -+ -+ /* -+ * In Slave mode, stay on the current transfer until there is -+ * nothing more to do or the high-bandwidth request count is -+ * reached. In DMA mode, only need to queue one request. The -+ * controller automatically handles multiple packets for -+ * high-bandwidth transfers. -+ */ -+ if (_hcd->core_if->dma_enable || -+ (status == 0 || -+ qh->channel->requests == qh->channel->multi_count)) { -+ qh_ptr = qh_ptr->next; -+ /* -+ * Move the QH from the periodic assigned schedule to -+ * the periodic queued schedule. -+ */ -+ list_move(&qh->qh_list_entry, &_hcd->periodic_sched_queued); -+ -+ /* done queuing high bandwidth */ -+ _hcd->core_if->queuing_high_bandwidth = 0; -+ } -+ } -+ -+ if (!_hcd->core_if->dma_enable) { -+ dwc_otg_core_global_regs_t *global_regs; -+ gintmsk_data_t intr_mask = {.d32 = 0}; -+ -+ global_regs = _hcd->core_if->core_global_regs; -+ intr_mask.b.ptxfempty = 1; -+#ifdef DEBUG -+ tx_status.d32 = dwc_read_reg32(&host_regs->hptxsts); -+ DWC_DEBUGPL(DBG_HCDV, " P Tx Req Queue Space Avail (after queue): %d\n", -+ tx_status.b.ptxqspcavail); -+ DWC_DEBUGPL(DBG_HCDV, " P Tx FIFO Space Avail (after queue): %d\n", -+ tx_status.b.ptxfspcavail); -+#endif -+ if (!(list_empty(&_hcd->periodic_sched_assigned)) || -+ no_queue_space || no_fifo_space) { -+ /* -+ * May need to queue more transactions as the request -+ * queue or Tx FIFO empties. Enable the periodic Tx -+ * FIFO empty interrupt. (Always use the half-empty -+ * level to ensure that new requests are loaded as -+ * soon as possible.) -+ */ -+ dwc_modify_reg32(&global_regs->gintmsk, 0, intr_mask.d32); -+ } else { -+ /* -+ * Disable the Tx FIFO empty interrupt since there are -+ * no more transactions that need to be queued right -+ * now. This function is called from interrupt -+ * handlers to queue more transactions as transfer -+ * states change. -+ */ -+ dwc_modify_reg32(&global_regs->gintmsk, intr_mask.d32, 0); -+ } -+ } -+} -+ -+/** -+ * This function processes the currently active host channels and queues -+ * transactions for these channels to the DWC_otg controller. It is called -+ * from HCD interrupt handler functions. -+ * -+ * @param _hcd The HCD state structure. -+ * @param _tr_type The type(s) of transactions to queue (non-periodic, -+ * periodic, or both). -+ */ -+void dwc_otg_hcd_queue_transactions(dwc_otg_hcd_t *_hcd, -+ dwc_otg_transaction_type_e _tr_type) -+{ -+#ifdef DEBUG_SOF -+ DWC_DEBUGPL(DBG_HCD, "Queue Transactions\n"); -+#endif -+ /* Process host channels associated with periodic transfers. */ -+ if ((_tr_type == DWC_OTG_TRANSACTION_PERIODIC || -+ _tr_type == DWC_OTG_TRANSACTION_ALL) && -+ !list_empty(&_hcd->periodic_sched_assigned)) { -+ -+ process_periodic_channels(_hcd); -+ } -+ -+ /* Process host channels associated with non-periodic transfers. */ -+ if ((_tr_type == DWC_OTG_TRANSACTION_NON_PERIODIC || -+ _tr_type == DWC_OTG_TRANSACTION_ALL)) { -+ if (!list_empty(&_hcd->non_periodic_sched_active)) { -+ process_non_periodic_channels(_hcd); -+ } else { -+ /* -+ * Ensure NP Tx FIFO empty interrupt is disabled when -+ * there are no non-periodic transfers to process. -+ */ -+ gintmsk_data_t gintmsk = {.d32 = 0}; -+ gintmsk.b.nptxfempty = 1; -+ dwc_modify_reg32(&_hcd->core_if->core_global_regs->gintmsk, gintmsk.d32, 0); -+ } -+ } -+} -+ -+/** -+ * Sets the final status of an URB and returns it to the device driver. Any -+ * required cleanup of the URB is performed. -+ */ -+void dwc_otg_hcd_complete_urb(dwc_otg_hcd_t * _hcd, struct urb *_urb, -+ int _status) -+ __releases(_hcd->lock) -+__acquires(_hcd->lock) -+{ -+#ifdef DEBUG -+ if (CHK_DEBUG_LEVEL(DBG_HCDV | DBG_HCD_URB)) { -+ DWC_PRINT("%s: urb %p, device %d, ep %d %s, status=%d\n", -+ __func__, _urb, usb_pipedevice(_urb->pipe), -+ usb_pipeendpoint(_urb->pipe), -+ usb_pipein(_urb->pipe) ? "IN" : "OUT", _status); -+ if (usb_pipetype(_urb->pipe) == PIPE_ISOCHRONOUS) { -+ int i; -+ for (i = 0; i < _urb->number_of_packets; i++) { -+ DWC_PRINT(" ISO Desc %d status: %d\n", -+ i, _urb->iso_frame_desc[i].status); -+ } -+ } -+ } -+#endif -+ -+ _urb->status = _status; -+ _urb->hcpriv = NULL; -+ usb_hcd_unlink_urb_from_ep(dwc_otg_hcd_to_hcd(_hcd), _urb); -+ spin_unlock(&_hcd->lock); -+ usb_hcd_giveback_urb(dwc_otg_hcd_to_hcd(_hcd), _urb, _status); -+ spin_lock(&_hcd->lock); -+} -+ -+/* -+ * Returns the Queue Head for an URB. -+ */ -+dwc_otg_qh_t *dwc_urb_to_qh(struct urb *_urb) -+{ -+ struct usb_host_endpoint *ep = dwc_urb_to_endpoint(_urb); -+ return (dwc_otg_qh_t *)ep->hcpriv; -+} -+ -+#ifdef DEBUG -+void dwc_print_setup_data (uint8_t *setup) -+{ -+ int i; -+ if (CHK_DEBUG_LEVEL(DBG_HCD)){ -+ DWC_PRINT("Setup Data = MSB "); -+ for (i=7; i>=0; i--) DWC_PRINT ("%02x ", setup[i]); -+ DWC_PRINT("\n"); -+ DWC_PRINT(" bmRequestType Tranfer = %s\n", (setup[0]&0x80) ? "Device-to-Host" : "Host-to-Device"); -+ DWC_PRINT(" bmRequestType Type = "); -+ switch ((setup[0]&0x60) >> 5) { -+ case 0: DWC_PRINT("Standard\n"); break; -+ case 1: DWC_PRINT("Class\n"); break; -+ case 2: DWC_PRINT("Vendor\n"); break; -+ case 3: DWC_PRINT("Reserved\n"); break; -+ } -+ DWC_PRINT(" bmRequestType Recipient = "); -+ switch (setup[0]&0x1f) { -+ case 0: DWC_PRINT("Device\n"); break; -+ case 1: DWC_PRINT("Interface\n"); break; -+ case 2: DWC_PRINT("Endpoint\n"); break; -+ case 3: DWC_PRINT("Other\n"); break; -+ default: DWC_PRINT("Reserved\n"); break; -+ } -+ DWC_PRINT(" bRequest = 0x%0x\n", setup[1]); -+ DWC_PRINT(" wValue = 0x%0x\n", *((uint16_t *)&setup[2])); -+ DWC_PRINT(" wIndex = 0x%0x\n", *((uint16_t *)&setup[4])); -+ DWC_PRINT(" wLength = 0x%0x\n\n", *((uint16_t *)&setup[6])); -+ } -+} -+#endif -+ -+void dwc_otg_hcd_dump_frrem(dwc_otg_hcd_t *_hcd) { -+#ifdef DEBUG -+#if 0 -+ DWC_PRINT("Frame remaining at SOF:\n"); -+ DWC_PRINT(" samples %u, accum %llu, avg %llu\n", -+ _hcd->frrem_samples, _hcd->frrem_accum, -+ (_hcd->frrem_samples > 0) ? -+ _hcd->frrem_accum/_hcd->frrem_samples : 0); -+ -+ DWC_PRINT("\n"); -+ DWC_PRINT("Frame remaining at start_transfer (uframe 7):\n"); -+ DWC_PRINT(" samples %u, accum %u, avg %u\n", -+ _hcd->core_if->hfnum_7_samples, _hcd->core_if->hfnum_7_frrem_accum, -+ (_hcd->core_if->hfnum_7_samples > 0) ? -+ _hcd->core_if->hfnum_7_frrem_accum/_hcd->core_if->hfnum_7_samples : 0); -+ DWC_PRINT("Frame remaining at start_transfer (uframe 0):\n"); -+ DWC_PRINT(" samples %u, accum %u, avg %u\n", -+ _hcd->core_if->hfnum_0_samples, _hcd->core_if->hfnum_0_frrem_accum, -+ (_hcd->core_if->hfnum_0_samples > 0) ? -+ _hcd->core_if->hfnum_0_frrem_accum/_hcd->core_if->hfnum_0_samples : 0); -+ DWC_PRINT("Frame remaining at start_transfer (uframe 1-6):\n"); -+ DWC_PRINT(" samples %u, accum %u, avg %u\n", -+ _hcd->core_if->hfnum_other_samples, _hcd->core_if->hfnum_other_frrem_accum, -+ (_hcd->core_if->hfnum_other_samples > 0) ? -+ _hcd->core_if->hfnum_other_frrem_accum/_hcd->core_if->hfnum_other_samples : 0); -+ -+ DWC_PRINT("\n"); -+ DWC_PRINT("Frame remaining at sample point A (uframe 7):\n"); -+ DWC_PRINT(" samples %u, accum %llu, avg %llu\n", -+ _hcd->hfnum_7_samples_a, _hcd->hfnum_7_frrem_accum_a, -+ (_hcd->hfnum_7_samples_a > 0) ? -+ _hcd->hfnum_7_frrem_accum_a/_hcd->hfnum_7_samples_a : 0); -+ DWC_PRINT("Frame remaining at sample point A (uframe 0):\n"); -+ DWC_PRINT(" samples %u, accum %llu, avg %llu\n", -+ _hcd->hfnum_0_samples_a, _hcd->hfnum_0_frrem_accum_a, -+ (_hcd->hfnum_0_samples_a > 0) ? -+ _hcd->hfnum_0_frrem_accum_a/_hcd->hfnum_0_samples_a : 0); -+ DWC_PRINT("Frame remaining at sample point A (uframe 1-6):\n"); -+ DWC_PRINT(" samples %u, accum %llu, avg %llu\n", -+ _hcd->hfnum_other_samples_a, _hcd->hfnum_other_frrem_accum_a, -+ (_hcd->hfnum_other_samples_a > 0) ? -+ _hcd->hfnum_other_frrem_accum_a/_hcd->hfnum_other_samples_a : 0); -+ -+ DWC_PRINT("\n"); -+ DWC_PRINT("Frame remaining at sample point B (uframe 7):\n"); -+ DWC_PRINT(" samples %u, accum %llu, avg %llu\n", -+ _hcd->hfnum_7_samples_b, _hcd->hfnum_7_frrem_accum_b, -+ (_hcd->hfnum_7_samples_b > 0) ? -+ _hcd->hfnum_7_frrem_accum_b/_hcd->hfnum_7_samples_b : 0); -+ DWC_PRINT("Frame remaining at sample point B (uframe 0):\n"); -+ DWC_PRINT(" samples %u, accum %llu, avg %llu\n", -+ _hcd->hfnum_0_samples_b, _hcd->hfnum_0_frrem_accum_b, -+ (_hcd->hfnum_0_samples_b > 0) ? -+ _hcd->hfnum_0_frrem_accum_b/_hcd->hfnum_0_samples_b : 0); -+ DWC_PRINT("Frame remaining at sample point B (uframe 1-6):\n"); -+ DWC_PRINT(" samples %u, accum %llu, avg %llu\n", -+ _hcd->hfnum_other_samples_b, _hcd->hfnum_other_frrem_accum_b, -+ (_hcd->hfnum_other_samples_b > 0) ? -+ _hcd->hfnum_other_frrem_accum_b/_hcd->hfnum_other_samples_b : 0); -+#endif -+#endif -+} -+ -+void dwc_otg_hcd_dump_state(dwc_otg_hcd_t *_hcd) -+{ -+#ifdef DEBUG -+ int num_channels; -+ int i; -+ gnptxsts_data_t np_tx_status; -+ hptxsts_data_t p_tx_status; -+ -+ num_channels = _hcd->core_if->core_params->host_channels; -+ DWC_PRINT("\n"); -+ DWC_PRINT("************************************************************\n"); -+ DWC_PRINT("HCD State:\n"); -+ DWC_PRINT(" Num channels: %d\n", num_channels); -+ for (i = 0; i < num_channels; i++) { -+ dwc_hc_t *hc = _hcd->hc_ptr_array[i]; -+ DWC_PRINT(" Channel %d:\n", i); -+ DWC_PRINT(" dev_addr: %d, ep_num: %d, ep_is_in: %d\n", -+ hc->dev_addr, hc->ep_num, hc->ep_is_in); -+ DWC_PRINT(" speed: %d\n", hc->speed); -+ DWC_PRINT(" ep_type: %d\n", hc->ep_type); -+ DWC_PRINT(" max_packet: %d\n", hc->max_packet); -+ DWC_PRINT(" data_pid_start: %d\n", hc->data_pid_start); -+ DWC_PRINT(" multi_count: %d\n", hc->multi_count); -+ DWC_PRINT(" xfer_started: %d\n", hc->xfer_started); -+ DWC_PRINT(" xfer_buff: %p\n", hc->xfer_buff); -+ DWC_PRINT(" xfer_len: %d\n", hc->xfer_len); -+ DWC_PRINT(" xfer_count: %d\n", hc->xfer_count); -+ DWC_PRINT(" halt_on_queue: %d\n", hc->halt_on_queue); -+ DWC_PRINT(" halt_pending: %d\n", hc->halt_pending); -+ DWC_PRINT(" halt_status: %d\n", hc->halt_status); -+ DWC_PRINT(" do_split: %d\n", hc->do_split); -+ DWC_PRINT(" complete_split: %d\n", hc->complete_split); -+ DWC_PRINT(" hub_addr: %d\n", hc->hub_addr); -+ DWC_PRINT(" port_addr: %d\n", hc->port_addr); -+ DWC_PRINT(" xact_pos: %d\n", hc->xact_pos); -+ DWC_PRINT(" requests: %d\n", hc->requests); -+ DWC_PRINT(" qh: %p\n", hc->qh); -+ if (hc->xfer_started) { -+ hfnum_data_t hfnum; -+ hcchar_data_t hcchar; -+ hctsiz_data_t hctsiz; -+ hcint_data_t hcint; -+ hcintmsk_data_t hcintmsk; -+ hfnum.d32 = dwc_read_reg32(&_hcd->core_if->host_if->host_global_regs->hfnum); -+ hcchar.d32 = dwc_read_reg32(&_hcd->core_if->host_if->hc_regs[i]->hcchar); -+ hctsiz.d32 = dwc_read_reg32(&_hcd->core_if->host_if->hc_regs[i]->hctsiz); -+ hcint.d32 = dwc_read_reg32(&_hcd->core_if->host_if->hc_regs[i]->hcint); -+ hcintmsk.d32 = dwc_read_reg32(&_hcd->core_if->host_if->hc_regs[i]->hcintmsk); -+ DWC_PRINT(" hfnum: 0x%08x\n", hfnum.d32); -+ DWC_PRINT(" hcchar: 0x%08x\n", hcchar.d32); -+ DWC_PRINT(" hctsiz: 0x%08x\n", hctsiz.d32); -+ DWC_PRINT(" hcint: 0x%08x\n", hcint.d32); -+ DWC_PRINT(" hcintmsk: 0x%08x\n", hcintmsk.d32); -+ } -+ if (hc->xfer_started && (hc->qh != NULL) && (hc->qh->qtd_in_process != NULL)) { -+ dwc_otg_qtd_t *qtd; -+ struct urb *urb; -+ qtd = hc->qh->qtd_in_process; -+ urb = qtd->urb; -+ DWC_PRINT(" URB Info:\n"); -+ DWC_PRINT(" qtd: %p, urb: %p\n", qtd, urb); -+ if (urb != NULL) { -+ DWC_PRINT(" Dev: %d, EP: %d %s\n", -+ usb_pipedevice(urb->pipe), usb_pipeendpoint(urb->pipe), -+ usb_pipein(urb->pipe) ? "IN" : "OUT"); -+ DWC_PRINT(" Max packet size: %d\n", -+ usb_maxpacket(urb->dev, urb->pipe, usb_pipeout(urb->pipe))); -+ DWC_PRINT(" transfer_buffer: %p\n", urb->transfer_buffer); -+ DWC_PRINT(" transfer_dma: %p\n", (void *)urb->transfer_dma); -+ DWC_PRINT(" transfer_buffer_length: %d\n", urb->transfer_buffer_length); -+ DWC_PRINT(" actual_length: %d\n", urb->actual_length); -+ } -+ } -+ } -+ //DWC_PRINT(" non_periodic_channels: %d\n", _hcd->non_periodic_channels); -+ //DWC_PRINT(" periodic_channels: %d\n", _hcd->periodic_channels); -+ DWC_PRINT(" available_channels: %d\n", _hcd->available_host_channels); -+ DWC_PRINT(" periodic_usecs: %d\n", _hcd->periodic_usecs); -+ np_tx_status.d32 = dwc_read_reg32(&_hcd->core_if->core_global_regs->gnptxsts); -+ DWC_PRINT(" NP Tx Req Queue Space Avail: %d\n", np_tx_status.b.nptxqspcavail); -+ DWC_PRINT(" NP Tx FIFO Space Avail: %d\n", np_tx_status.b.nptxfspcavail); -+ p_tx_status.d32 = dwc_read_reg32(&_hcd->core_if->host_if->host_global_regs->hptxsts); -+ DWC_PRINT(" P Tx Req Queue Space Avail: %d\n", p_tx_status.b.ptxqspcavail); -+ DWC_PRINT(" P Tx FIFO Space Avail: %d\n", p_tx_status.b.ptxfspcavail); -+ dwc_otg_hcd_dump_frrem(_hcd); -+ dwc_otg_dump_global_registers(_hcd->core_if); -+ dwc_otg_dump_host_registers(_hcd->core_if); -+ DWC_PRINT("************************************************************\n"); -+ DWC_PRINT("\n"); -+#endif -+} -+#endif /* DWC_DEVICE_ONLY */ ---- /dev/null -+++ b/drivers/usb/dwc_otg/dwc_otg_hcd.h -@@ -0,0 +1,677 @@ -+/* ========================================================================== -+ * $File: //dwh/usb_iip/dev/software/otg_ipmate/linux/drivers/dwc_otg_hcd.h $ -+ * $Revision: 1.1.1.1 $ -+ * $Date: 2009-04-17 06:15:34 $ -+ * $Change: 537387 $ -+ * -+ * Synopsys HS OTG Linux Software Driver and documentation (hereinafter, -+ * "Software") is an Unsupported proprietary work of Synopsys, Inc. unless -+ * otherwise expressly agreed to in writing between Synopsys and you. -+ * -+ * The Software IS NOT an item of Licensed Software or Licensed Product under -+ * any End User Software License Agreement or Agreement for Licensed Product -+ * with Synopsys or any supplement thereto. You are permitted to use and -+ * redistribute this Software in source and binary forms, with or without -+ * modification, provided that redistributions of source code must retain this -+ * notice. You may not view, use, disclose, copy or distribute this file or -+ * any information contained herein except pursuant to this license grant from -+ * Synopsys. If you do not agree with this notice, including the disclaimer -+ * below, then you are not authorized to use the Software. -+ * -+ * THIS SOFTWARE IS BEING DISTRIBUTED BY SYNOPSYS SOLELY ON AN "AS IS" BASIS -+ * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE -+ * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE -+ * ARE HEREBY DISCLAIMED. IN NO EVENT SHALL SYNOPSYS BE LIABLE FOR ANY DIRECT, -+ * INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES -+ * (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR -+ * SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER -+ * CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT -+ * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY -+ * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH -+ * DAMAGE. -+ * ========================================================================== */ -+#ifndef DWC_DEVICE_ONLY -+#if !defined(__DWC_HCD_H__) -+#define __DWC_HCD_H__ -+ -+#include <linux/list.h> -+#include <linux/usb.h> -+//#include <linux/usb/hcd.h> -+#include "../core/hcd.h" -+ -+struct lm_device; -+struct dwc_otg_device; -+ -+#include "dwc_otg_cil.h" -+//#include "dwc_otg_ifx.h" // winder -+ -+ -+/** -+ * @file -+ * -+ * This file contains the structures, constants, and interfaces for -+ * the Host Contoller Driver (HCD). -+ * -+ * The Host Controller Driver (HCD) is responsible for translating requests -+ * from the USB Driver into the appropriate actions on the DWC_otg controller. -+ * It isolates the USBD from the specifics of the controller by providing an -+ * API to the USBD. -+ */ -+ -+/** -+ * Phases for control transfers. -+ */ -+typedef enum dwc_otg_control_phase { -+ DWC_OTG_CONTROL_SETUP, -+ DWC_OTG_CONTROL_DATA, -+ DWC_OTG_CONTROL_STATUS -+} dwc_otg_control_phase_e; -+ -+/** Transaction types. */ -+typedef enum dwc_otg_transaction_type { -+ DWC_OTG_TRANSACTION_NONE, -+ DWC_OTG_TRANSACTION_PERIODIC, -+ DWC_OTG_TRANSACTION_NON_PERIODIC, -+ DWC_OTG_TRANSACTION_ALL -+} dwc_otg_transaction_type_e; -+ -+/** -+ * A Queue Transfer Descriptor (QTD) holds the state of a bulk, control, -+ * interrupt, or isochronous transfer. A single QTD is created for each URB -+ * (of one of these types) submitted to the HCD. The transfer associated with -+ * a QTD may require one or multiple transactions. -+ * -+ * A QTD is linked to a Queue Head, which is entered in either the -+ * non-periodic or periodic schedule for execution. When a QTD is chosen for -+ * execution, some or all of its transactions may be executed. After -+ * execution, the state of the QTD is updated. The QTD may be retired if all -+ * its transactions are complete or if an error occurred. Otherwise, it -+ * remains in the schedule so more transactions can be executed later. -+ */ -+struct dwc_otg_qh; -+typedef struct dwc_otg_qtd { -+ /** -+ * Determines the PID of the next data packet for the data phase of -+ * control transfers. Ignored for other transfer types.<br> -+ * One of the following values: -+ * - DWC_OTG_HC_PID_DATA0 -+ * - DWC_OTG_HC_PID_DATA1 -+ */ -+ uint8_t data_toggle; -+ -+ /** Current phase for control transfers (Setup, Data, or Status). */ -+ dwc_otg_control_phase_e control_phase; -+ -+ /** Keep track of the current split type -+ * for FS/LS endpoints on a HS Hub */ -+ uint8_t complete_split; -+ -+ /** How many bytes transferred during SSPLIT OUT */ -+ uint32_t ssplit_out_xfer_count; -+ -+ /** -+ * Holds the number of bus errors that have occurred for a transaction -+ * within this transfer. -+ */ -+ uint8_t error_count; -+ -+ /** -+ * Index of the next frame descriptor for an isochronous transfer. A -+ * frame descriptor describes the buffer position and length of the -+ * data to be transferred in the next scheduled (micro)frame of an -+ * isochronous transfer. It also holds status for that transaction. -+ * The frame index starts at 0. -+ */ -+ int isoc_frame_index; -+ -+ /** Position of the ISOC split on full/low speed */ -+ uint8_t isoc_split_pos; -+ -+ /** Position of the ISOC split in the buffer for the current frame */ -+ uint16_t isoc_split_offset; -+ -+ /** URB for this transfer */ -+ struct urb *urb; -+ -+ /** This list of QTDs */ -+ struct list_head qtd_list_entry; -+ -+ /* Field to track the qh pointer */ -+ struct dwc_otg_qh *qtd_qh_ptr; -+} dwc_otg_qtd_t; -+ -+/** -+ * A Queue Head (QH) holds the static characteristics of an endpoint and -+ * maintains a list of transfers (QTDs) for that endpoint. A QH structure may -+ * be entered in either the non-periodic or periodic schedule. -+ */ -+typedef struct dwc_otg_qh { -+ /** -+ * Endpoint type. -+ * One of the following values: -+ * - USB_ENDPOINT_XFER_CONTROL -+ * - USB_ENDPOINT_XFER_ISOC -+ * - USB_ENDPOINT_XFER_BULK -+ * - USB_ENDPOINT_XFER_INT -+ */ -+ uint8_t ep_type; -+ uint8_t ep_is_in; -+ -+ /** wMaxPacketSize Field of Endpoint Descriptor. */ -+ uint16_t maxp; -+ -+ /** -+ * Determines the PID of the next data packet for non-control -+ * transfers. Ignored for control transfers.<br> -+ * One of the following values: -+ * - DWC_OTG_HC_PID_DATA0 -+ * - DWC_OTG_HC_PID_DATA1 -+ */ -+ uint8_t data_toggle; -+ -+ /** Ping state if 1. */ -+ uint8_t ping_state; -+ -+ /** -+ * List of QTDs for this QH. -+ */ -+ struct list_head qtd_list; -+ -+ /** Host channel currently processing transfers for this QH. */ -+ dwc_hc_t *channel; -+ -+ /** QTD currently assigned to a host channel for this QH. */ -+ dwc_otg_qtd_t *qtd_in_process; -+ -+ /** Full/low speed endpoint on high-speed hub requires split. */ -+ uint8_t do_split; -+ -+ /** @name Periodic schedule information */ -+ /** @{ */ -+ -+ /** Bandwidth in microseconds per (micro)frame. */ -+ uint8_t usecs; -+ -+ /** Interval between transfers in (micro)frames. */ -+ uint16_t interval; -+ -+ /** -+ * (micro)frame to initialize a periodic transfer. The transfer -+ * executes in the following (micro)frame. -+ */ -+ uint16_t sched_frame; -+ -+ /** (micro)frame at which last start split was initialized. */ -+ uint16_t start_split_frame; -+ -+ /** @} */ -+ -+ uint16_t speed; -+ uint16_t frame_usecs[8]; -+ /** Entry for QH in either the periodic or non-periodic schedule. */ -+ struct list_head qh_list_entry; -+} dwc_otg_qh_t; -+ -+/** -+ * This structure holds the state of the HCD, including the non-periodic and -+ * periodic schedules. -+ */ -+typedef struct dwc_otg_hcd { -+ spinlock_t lock; -+ -+ /** DWC OTG Core Interface Layer */ -+ dwc_otg_core_if_t *core_if; -+ -+ /** Internal DWC HCD Flags */ -+ volatile union dwc_otg_hcd_internal_flags { -+ uint32_t d32; -+ struct { -+ unsigned port_connect_status_change : 1; -+ unsigned port_connect_status : 1; -+ unsigned port_reset_change : 1; -+ unsigned port_enable_change : 1; -+ unsigned port_suspend_change : 1; -+ unsigned port_over_current_change : 1; -+ unsigned reserved : 27; -+ } b; -+ } flags; -+ -+ /** -+ * Inactive items in the non-periodic schedule. This is a list of -+ * Queue Heads. Transfers associated with these Queue Heads are not -+ * currently assigned to a host channel. -+ */ -+ struct list_head non_periodic_sched_inactive; -+ -+ /** -+ * Deferred items in the non-periodic schedule. This is a list of -+ * Queue Heads. Transfers associated with these Queue Heads are not -+ * currently assigned to a host channel. -+ * When we get an NAK, the QH goes here. -+ */ -+ struct list_head non_periodic_sched_deferred; -+ -+ /** -+ * Active items in the non-periodic schedule. This is a list of -+ * Queue Heads. Transfers associated with these Queue Heads are -+ * currently assigned to a host channel. -+ */ -+ struct list_head non_periodic_sched_active; -+ -+ /** -+ * Pointer to the next Queue Head to process in the active -+ * non-periodic schedule. -+ */ -+ struct list_head *non_periodic_qh_ptr; -+ -+ /** -+ * Inactive items in the periodic schedule. This is a list of QHs for -+ * periodic transfers that are _not_ scheduled for the next frame. -+ * Each QH in the list has an interval counter that determines when it -+ * needs to be scheduled for execution. This scheduling mechanism -+ * allows only a simple calculation for periodic bandwidth used (i.e. -+ * must assume that all periodic transfers may need to execute in the -+ * same frame). However, it greatly simplifies scheduling and should -+ * be sufficient for the vast majority of OTG hosts, which need to -+ * connect to a small number of peripherals at one time. -+ * -+ * Items move from this list to periodic_sched_ready when the QH -+ * interval counter is 0 at SOF. -+ */ -+ struct list_head periodic_sched_inactive; -+ -+ /** -+ * List of periodic QHs that are ready for execution in the next -+ * frame, but have not yet been assigned to host channels. -+ * -+ * Items move from this list to periodic_sched_assigned as host -+ * channels become available during the current frame. -+ */ -+ struct list_head periodic_sched_ready; -+ -+ /** -+ * List of periodic QHs to be executed in the next frame that are -+ * assigned to host channels. -+ * -+ * Items move from this list to periodic_sched_queued as the -+ * transactions for the QH are queued to the DWC_otg controller. -+ */ -+ struct list_head periodic_sched_assigned; -+ -+ /** -+ * List of periodic QHs that have been queued for execution. -+ * -+ * Items move from this list to either periodic_sched_inactive or -+ * periodic_sched_ready when the channel associated with the transfer -+ * is released. If the interval for the QH is 1, the item moves to -+ * periodic_sched_ready because it must be rescheduled for the next -+ * frame. Otherwise, the item moves to periodic_sched_inactive. -+ */ -+ struct list_head periodic_sched_queued; -+ -+ /** -+ * Total bandwidth claimed so far for periodic transfers. This value -+ * is in microseconds per (micro)frame. The assumption is that all -+ * periodic transfers may occur in the same (micro)frame. -+ */ -+ uint16_t periodic_usecs; -+ -+ /** -+ * Total bandwidth claimed so far for all periodic transfers -+ * in a frame. -+ * This will include a mixture of HS and FS transfers. -+ * Units are microseconds per (micro)frame. -+ * We have a budget per frame and have to schedule -+ * transactions accordingly. -+ * Watch out for the fact that things are actually scheduled for the -+ * "next frame". -+ */ -+ uint16_t frame_usecs[8]; -+ -+ /** -+ * Frame number read from the core at SOF. The value ranges from 0 to -+ * DWC_HFNUM_MAX_FRNUM. -+ */ -+ uint16_t frame_number; -+ -+ /** -+ * Free host channels in the controller. This is a list of -+ * dwc_hc_t items. -+ */ -+ struct list_head free_hc_list; -+ -+ /** -+ * Number of available host channels. -+ */ -+ int available_host_channels; -+ -+ /** -+ * Array of pointers to the host channel descriptors. Allows accessing -+ * a host channel descriptor given the host channel number. This is -+ * useful in interrupt handlers. -+ */ -+ dwc_hc_t *hc_ptr_array[MAX_EPS_CHANNELS]; -+ -+ /** -+ * Buffer to use for any data received during the status phase of a -+ * control transfer. Normally no data is transferred during the status -+ * phase. This buffer is used as a bit bucket. -+ */ -+ uint8_t *status_buf; -+ -+ /** -+ * DMA address for status_buf. -+ */ -+ dma_addr_t status_buf_dma; -+#define DWC_OTG_HCD_STATUS_BUF_SIZE 64 -+ -+ /** -+ * Structure to allow starting the HCD in a non-interrupt context -+ * during an OTG role change. -+ */ -+ struct work_struct start_work; -+ struct usb_hcd *_p; -+ -+ /** -+ * Connection timer. An OTG host must display a message if the device -+ * does not connect. Started when the VBus power is turned on via -+ * sysfs attribute "buspower". -+ */ -+ struct timer_list conn_timer; -+ -+ /* Tasket to do a reset */ -+ struct tasklet_struct *reset_tasklet; -+ -+#ifdef DEBUG -+ uint32_t frrem_samples; -+ uint64_t frrem_accum; -+ -+ uint32_t hfnum_7_samples_a; -+ uint64_t hfnum_7_frrem_accum_a; -+ uint32_t hfnum_0_samples_a; -+ uint64_t hfnum_0_frrem_accum_a; -+ uint32_t hfnum_other_samples_a; -+ uint64_t hfnum_other_frrem_accum_a; -+ -+ uint32_t hfnum_7_samples_b; -+ uint64_t hfnum_7_frrem_accum_b; -+ uint32_t hfnum_0_samples_b; -+ uint64_t hfnum_0_frrem_accum_b; -+ uint32_t hfnum_other_samples_b; -+ uint64_t hfnum_other_frrem_accum_b; -+#endif -+ -+} dwc_otg_hcd_t; -+ -+/** Gets the dwc_otg_hcd from a struct usb_hcd */ -+static inline dwc_otg_hcd_t *hcd_to_dwc_otg_hcd(struct usb_hcd *hcd) -+{ -+ return (dwc_otg_hcd_t *)(hcd->hcd_priv); -+} -+ -+/** Gets the struct usb_hcd that contains a dwc_otg_hcd_t. */ -+static inline struct usb_hcd *dwc_otg_hcd_to_hcd(dwc_otg_hcd_t *dwc_otg_hcd) -+{ -+ return container_of((void *)dwc_otg_hcd, struct usb_hcd, hcd_priv); -+} -+ -+/** @name HCD Create/Destroy Functions */ -+/** @{ */ -+extern int __devinit dwc_otg_hcd_init(struct device *_dev, dwc_otg_device_t * dwc_otg_device); -+extern void dwc_otg_hcd_remove(struct device *_dev); -+/** @} */ -+ -+/** @name Linux HC Driver API Functions */ -+/** @{ */ -+ -+extern int dwc_otg_hcd_start(struct usb_hcd *hcd); -+extern void dwc_otg_hcd_stop(struct usb_hcd *hcd); -+extern int dwc_otg_hcd_get_frame_number(struct usb_hcd *hcd); -+extern void dwc_otg_hcd_free(struct usb_hcd *hcd); -+ -+extern int dwc_otg_hcd_urb_enqueue(struct usb_hcd *hcd, -+ struct urb *urb, -+ gfp_t mem_flags); -+extern int dwc_otg_hcd_urb_dequeue(struct usb_hcd *hcd, -+ struct urb *urb, -+ int status); -+extern irqreturn_t dwc_otg_hcd_irq(struct usb_hcd *hcd); -+ -+extern void dwc_otg_hcd_endpoint_disable(struct usb_hcd *hcd, -+ struct usb_host_endpoint *ep); -+ -+extern int dwc_otg_hcd_hub_status_data(struct usb_hcd *hcd, -+ char *buf); -+extern int dwc_otg_hcd_hub_control(struct usb_hcd *hcd, -+ u16 typeReq, -+ u16 wValue, -+ u16 wIndex, -+ char *buf, -+ u16 wLength); -+ -+/** @} */ -+ -+/** @name Transaction Execution Functions */ -+/** @{ */ -+extern dwc_otg_transaction_type_e dwc_otg_hcd_select_transactions(dwc_otg_hcd_t *_hcd); -+extern void dwc_otg_hcd_queue_transactions(dwc_otg_hcd_t *_hcd, -+ dwc_otg_transaction_type_e _tr_type); -+extern void dwc_otg_hcd_complete_urb(dwc_otg_hcd_t *_hcd, struct urb *_urb, -+ int _status); -+/** @} */ -+ -+/** @name Interrupt Handler Functions */ -+/** @{ */ -+extern int32_t dwc_otg_hcd_handle_intr (dwc_otg_hcd_t *_dwc_otg_hcd); -+extern int32_t dwc_otg_hcd_handle_sof_intr (dwc_otg_hcd_t *_dwc_otg_hcd); -+extern int32_t dwc_otg_hcd_handle_rx_status_q_level_intr (dwc_otg_hcd_t *_dwc_otg_hcd); -+extern int32_t dwc_otg_hcd_handle_np_tx_fifo_empty_intr (dwc_otg_hcd_t *_dwc_otg_hcd); -+extern int32_t dwc_otg_hcd_handle_perio_tx_fifo_empty_intr (dwc_otg_hcd_t *_dwc_otg_hcd); -+extern int32_t dwc_otg_hcd_handle_incomplete_periodic_intr(dwc_otg_hcd_t *_dwc_otg_hcd); -+extern int32_t dwc_otg_hcd_handle_port_intr (dwc_otg_hcd_t *_dwc_otg_hcd); -+extern int32_t dwc_otg_hcd_handle_conn_id_status_change_intr (dwc_otg_hcd_t *_dwc_otg_hcd); -+extern int32_t dwc_otg_hcd_handle_disconnect_intr (dwc_otg_hcd_t *_dwc_otg_hcd); -+extern int32_t dwc_otg_hcd_handle_hc_intr (dwc_otg_hcd_t *_dwc_otg_hcd); -+extern int32_t dwc_otg_hcd_handle_hc_n_intr (dwc_otg_hcd_t *_dwc_otg_hcd, uint32_t _num); -+extern int32_t dwc_otg_hcd_handle_session_req_intr (dwc_otg_hcd_t *_dwc_otg_hcd); -+extern int32_t dwc_otg_hcd_handle_wakeup_detected_intr (dwc_otg_hcd_t *_dwc_otg_hcd); -+/** @} */ -+ -+ -+/** @name Schedule Queue Functions */ -+/** @{ */ -+ -+/* Implemented in dwc_otg_hcd_queue.c */ -+extern dwc_otg_qh_t *dwc_otg_hcd_qh_create (dwc_otg_hcd_t *_hcd, struct urb *_urb); -+extern void dwc_otg_hcd_qh_init (dwc_otg_hcd_t *_hcd, dwc_otg_qh_t *_qh, struct urb *_urb); -+extern void dwc_otg_hcd_qh_free (dwc_otg_qh_t *_qh); -+extern int dwc_otg_hcd_qh_add (dwc_otg_hcd_t *_hcd, dwc_otg_qh_t *_qh); -+extern void dwc_otg_hcd_qh_remove (dwc_otg_hcd_t *_hcd, dwc_otg_qh_t *_qh); -+extern void dwc_otg_hcd_qh_deactivate (dwc_otg_hcd_t *_hcd, dwc_otg_qh_t *_qh, int sched_csplit); -+extern int dwc_otg_hcd_qh_deferr (dwc_otg_hcd_t *_hcd, dwc_otg_qh_t *_qh, int delay); -+ -+/** Remove and free a QH */ -+static inline void dwc_otg_hcd_qh_remove_and_free (dwc_otg_hcd_t *_hcd, -+ dwc_otg_qh_t *_qh) -+{ -+ dwc_otg_hcd_qh_remove (_hcd, _qh); -+ dwc_otg_hcd_qh_free (_qh); -+} -+ -+/** Allocates memory for a QH structure. -+ * @return Returns the memory allocate or NULL on error. */ -+static inline dwc_otg_qh_t *dwc_otg_hcd_qh_alloc (void) -+{ -+#ifdef _SC_BUILD_ -+ return (dwc_otg_qh_t *) kmalloc (sizeof(dwc_otg_qh_t), GFP_ATOMIC); -+#else -+ return (dwc_otg_qh_t *) kmalloc (sizeof(dwc_otg_qh_t), GFP_KERNEL); -+#endif -+} -+ -+extern dwc_otg_qtd_t *dwc_otg_hcd_qtd_create (struct urb *urb); -+extern void dwc_otg_hcd_qtd_init (dwc_otg_qtd_t *qtd, struct urb *urb); -+extern int dwc_otg_hcd_qtd_add (dwc_otg_qtd_t *qtd, dwc_otg_hcd_t *dwc_otg_hcd); -+ -+/** Allocates memory for a QTD structure. -+ * @return Returns the memory allocate or NULL on error. */ -+static inline dwc_otg_qtd_t *dwc_otg_hcd_qtd_alloc (void) -+{ -+#ifdef _SC_BUILD_ -+ return (dwc_otg_qtd_t *) kmalloc (sizeof(dwc_otg_qtd_t), GFP_ATOMIC); -+#else -+ return (dwc_otg_qtd_t *) kmalloc (sizeof(dwc_otg_qtd_t), GFP_KERNEL); -+#endif -+} -+ -+/** Frees the memory for a QTD structure. QTD should already be removed from -+ * list. -+ * @param[in] _qtd QTD to free.*/ -+static inline void dwc_otg_hcd_qtd_free (dwc_otg_qtd_t *_qtd) -+{ -+ kfree (_qtd); -+} -+ -+/** Removes a QTD from list. -+ * @param[in] _qtd QTD to remove from list. */ -+static inline void dwc_otg_hcd_qtd_remove (dwc_otg_qtd_t *_qtd) -+{ -+ unsigned long flags; -+ local_irq_save (flags); -+ list_del (&_qtd->qtd_list_entry); -+ local_irq_restore (flags); -+} -+ -+/** Remove and free a QTD */ -+static inline void dwc_otg_hcd_qtd_remove_and_free (dwc_otg_qtd_t *_qtd) -+{ -+ dwc_otg_hcd_qtd_remove (_qtd); -+ dwc_otg_hcd_qtd_free (_qtd); -+} -+ -+/** @} */ -+ -+ -+/** @name Internal Functions */ -+/** @{ */ -+dwc_otg_qh_t *dwc_urb_to_qh(struct urb *_urb); -+void dwc_otg_hcd_dump_frrem(dwc_otg_hcd_t *_hcd); -+void dwc_otg_hcd_dump_state(dwc_otg_hcd_t *_hcd); -+/** @} */ -+ -+ -+/** Gets the usb_host_endpoint associated with an URB. */ -+static inline struct usb_host_endpoint *dwc_urb_to_endpoint(struct urb *_urb) -+{ -+ struct usb_device *dev = _urb->dev; -+ int ep_num = usb_pipeendpoint(_urb->pipe); -+ if (usb_pipein(_urb->pipe)) -+ return dev->ep_in[ep_num]; -+ else -+ return dev->ep_out[ep_num]; -+} -+ -+/** -+ * Gets the endpoint number from a _bEndpointAddress argument. The endpoint is -+ * qualified with its direction (possible 32 endpoints per device). -+ */ -+#define dwc_ep_addr_to_endpoint(_bEndpointAddress_) \ -+ ((_bEndpointAddress_ & USB_ENDPOINT_NUMBER_MASK) | \ -+ ((_bEndpointAddress_ & USB_DIR_IN) != 0) << 4) -+ -+/** Gets the QH that contains the list_head */ -+#define dwc_list_to_qh(_list_head_ptr_) (container_of(_list_head_ptr_,dwc_otg_qh_t,qh_list_entry)) -+ -+/** Gets the QTD that contains the list_head */ -+#define dwc_list_to_qtd(_list_head_ptr_) (container_of(_list_head_ptr_,dwc_otg_qtd_t,qtd_list_entry)) -+ -+/** Check if QH is non-periodic */ -+#define dwc_qh_is_non_per(_qh_ptr_) ((_qh_ptr_->ep_type == USB_ENDPOINT_XFER_BULK) || \ -+ (_qh_ptr_->ep_type == USB_ENDPOINT_XFER_CONTROL)) -+ -+/** High bandwidth multiplier as encoded in highspeed endpoint descriptors */ -+#define dwc_hb_mult(wMaxPacketSize) (1 + (((wMaxPacketSize) >> 11) & 0x03)) -+ -+/** Packet size for any kind of endpoint descriptor */ -+#define dwc_max_packet(wMaxPacketSize) ((wMaxPacketSize) & 0x07ff) -+ -+/** -+ * Returns true if _frame1 is less than or equal to _frame2. The comparison is -+ * done modulo DWC_HFNUM_MAX_FRNUM. This accounts for the rollover of the -+ * frame number when the max frame number is reached. -+ */ -+static inline int dwc_frame_num_le(uint16_t _frame1, uint16_t _frame2) -+{ -+ return ((_frame2 - _frame1) & DWC_HFNUM_MAX_FRNUM) <= -+ (DWC_HFNUM_MAX_FRNUM >> 1); -+} -+ -+/** -+ * Returns true if _frame1 is greater than _frame2. The comparison is done -+ * modulo DWC_HFNUM_MAX_FRNUM. This accounts for the rollover of the frame -+ * number when the max frame number is reached. -+ */ -+static inline int dwc_frame_num_gt(uint16_t _frame1, uint16_t _frame2) -+{ -+ return (_frame1 != _frame2) && -+ (((_frame1 - _frame2) & DWC_HFNUM_MAX_FRNUM) < -+ (DWC_HFNUM_MAX_FRNUM >> 1)); -+} -+ -+/** -+ * Increments _frame by the amount specified by _inc. The addition is done -+ * modulo DWC_HFNUM_MAX_FRNUM. Returns the incremented value. -+ */ -+static inline uint16_t dwc_frame_num_inc(uint16_t _frame, uint16_t _inc) -+{ -+ return (_frame + _inc) & DWC_HFNUM_MAX_FRNUM; -+} -+ -+static inline uint16_t dwc_full_frame_num (uint16_t _frame) -+{ -+ return ((_frame) & DWC_HFNUM_MAX_FRNUM) >> 3; -+} -+ -+static inline uint16_t dwc_micro_frame_num (uint16_t _frame) -+{ -+ return (_frame) & 0x7; -+} -+ -+#ifdef DEBUG -+/** -+ * Macro to sample the remaining PHY clocks left in the current frame. This -+ * may be used during debugging to determine the average time it takes to -+ * execute sections of code. There are two possible sample points, "a" and -+ * "b", so the _letter argument must be one of these values. -+ * -+ * To dump the average sample times, read the "hcd_frrem" sysfs attribute. For -+ * example, "cat /sys/devices/lm0/hcd_frrem". -+ */ -+#define dwc_sample_frrem(_hcd, _qh, _letter) \ -+{ \ -+ hfnum_data_t hfnum; \ -+ dwc_otg_qtd_t *qtd; \ -+ qtd = list_entry(_qh->qtd_list.next, dwc_otg_qtd_t, qtd_list_entry); \ -+ if (usb_pipeint(qtd->urb->pipe) && _qh->start_split_frame != 0 && !qtd->complete_split) { \ -+ hfnum.d32 = dwc_read_reg32(&_hcd->core_if->host_if->host_global_regs->hfnum); \ -+ switch (hfnum.b.frnum & 0x7) { \ -+ case 7: \ -+ _hcd->hfnum_7_samples_##_letter++; \ -+ _hcd->hfnum_7_frrem_accum_##_letter += hfnum.b.frrem; \ -+ break; \ -+ case 0: \ -+ _hcd->hfnum_0_samples_##_letter++; \ -+ _hcd->hfnum_0_frrem_accum_##_letter += hfnum.b.frrem; \ -+ break; \ -+ default: \ -+ _hcd->hfnum_other_samples_##_letter++; \ -+ _hcd->hfnum_other_frrem_accum_##_letter += hfnum.b.frrem; \ -+ break; \ -+ } \ -+ } \ -+} -+#else // DEBUG -+#define dwc_sample_frrem(_hcd, _qh, _letter) -+#endif // DEBUG -+#endif // __DWC_HCD_H__ -+#endif /* DWC_DEVICE_ONLY */ ---- /dev/null -+++ b/drivers/usb/dwc_otg/dwc_otg_hcd_intr.c -@@ -0,0 +1,1841 @@ -+/* ========================================================================== -+ * $File: //dwh/usb_iip/dev/software/otg_ipmate/linux/drivers/dwc_otg_hcd_intr.c $ -+ * $Revision: 1.1.1.1 $ -+ * $Date: 2009-04-17 06:15:34 $ -+ * $Change: 553126 $ -+ * -+ * Synopsys HS OTG Linux Software Driver and documentation (hereinafter, -+ * "Software") is an Unsupported proprietary work of Synopsys, Inc. unless -+ * otherwise expressly agreed to in writing between Synopsys and you. -+ * -+ * The Software IS NOT an item of Licensed Software or Licensed Product under -+ * any End User Software License Agreement or Agreement for Licensed Product -+ * with Synopsys or any supplement thereto. You are permitted to use and -+ * redistribute this Software in source and binary forms, with or without -+ * modification, provided that redistributions of source code must retain this -+ * notice. You may not view, use, disclose, copy or distribute this file or -+ * any information contained herein except pursuant to this license grant from -+ * Synopsys. If you do not agree with this notice, including the disclaimer -+ * below, then you are not authorized to use the Software. -+ * -+ * THIS SOFTWARE IS BEING DISTRIBUTED BY SYNOPSYS SOLELY ON AN "AS IS" BASIS -+ * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE -+ * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE -+ * ARE HEREBY DISCLAIMED. IN NO EVENT SHALL SYNOPSYS BE LIABLE FOR ANY DIRECT, -+ * INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES -+ * (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR -+ * SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER -+ * CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT -+ * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY -+ * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH -+ * DAMAGE. -+ * ========================================================================== */ -+#ifndef DWC_DEVICE_ONLY -+ -+#include "dwc_otg_driver.h" -+#include "dwc_otg_hcd.h" -+#include "dwc_otg_regs.h" -+ -+const int erratum_usb09_patched = 0; -+const int deferral_on = 1; -+const int nak_deferral_delay = 8; -+const int nyet_deferral_delay = 1; -+/** @file -+ * This file contains the implementation of the HCD Interrupt handlers. -+ */ -+ -+/** This function handles interrupts for the HCD. */ -+int32_t dwc_otg_hcd_handle_intr (dwc_otg_hcd_t *_dwc_otg_hcd) -+{ -+ int retval = 0; -+ -+ dwc_otg_core_if_t *core_if = _dwc_otg_hcd->core_if; -+ gintsts_data_t gintsts; -+#ifdef DEBUG -+ dwc_otg_core_global_regs_t *global_regs = core_if->core_global_regs; -+#endif -+ -+ /* Check if HOST Mode */ -+ if (dwc_otg_is_host_mode(core_if)) { -+ gintsts.d32 = dwc_otg_read_core_intr(core_if); -+ if (!gintsts.d32) { -+ return 0; -+ } -+ -+#ifdef DEBUG -+ /* Don't print debug message in the interrupt handler on SOF */ -+# ifndef DEBUG_SOF -+ if (gintsts.d32 != DWC_SOF_INTR_MASK) -+# endif -+ DWC_DEBUGPL (DBG_HCD, "\n"); -+#endif -+ -+#ifdef DEBUG -+# ifndef DEBUG_SOF -+ if (gintsts.d32 != DWC_SOF_INTR_MASK) -+# endif -+ DWC_DEBUGPL(DBG_HCD, "DWC OTG HCD Interrupt Detected gintsts&gintmsk=0x%08x\n", gintsts.d32); -+#endif -+ -+ if (gintsts.b.sofintr) { -+ retval |= dwc_otg_hcd_handle_sof_intr (_dwc_otg_hcd); -+ } -+ if (gintsts.b.rxstsqlvl) { -+ retval |= dwc_otg_hcd_handle_rx_status_q_level_intr (_dwc_otg_hcd); -+ } -+ if (gintsts.b.nptxfempty) { -+ retval |= dwc_otg_hcd_handle_np_tx_fifo_empty_intr (_dwc_otg_hcd); -+ } -+ if (gintsts.b.i2cintr) { -+ /** @todo Implement i2cintr handler. */ -+ } -+ if (gintsts.b.portintr) { -+ retval |= dwc_otg_hcd_handle_port_intr (_dwc_otg_hcd); -+ } -+ if (gintsts.b.hcintr) { -+ retval |= dwc_otg_hcd_handle_hc_intr (_dwc_otg_hcd); -+ } -+ if (gintsts.b.ptxfempty) { -+ retval |= dwc_otg_hcd_handle_perio_tx_fifo_empty_intr (_dwc_otg_hcd); -+ } -+#ifdef DEBUG -+# ifndef DEBUG_SOF -+ if (gintsts.d32 != DWC_SOF_INTR_MASK) -+# endif -+ { -+ DWC_DEBUGPL(DBG_HCD, "DWC OTG HCD Finished Servicing Interrupts\n"); -+ DWC_DEBUGPL(DBG_HCDV, "DWC OTG HCD gintsts=0x%08x\n", -+ dwc_read_reg32(&global_regs->gintsts)); -+ DWC_DEBUGPL(DBG_HCDV, "DWC OTG HCD gintmsk=0x%08x\n", -+ dwc_read_reg32(&global_regs->gintmsk)); -+ } -+#endif -+ -+#ifdef DEBUG -+# ifndef DEBUG_SOF -+ if (gintsts.d32 != DWC_SOF_INTR_MASK) -+# endif -+ DWC_DEBUGPL (DBG_HCD, "\n"); -+#endif -+ -+ } -+ -+ return retval; -+} -+ -+#ifdef DWC_TRACK_MISSED_SOFS -+#warning Compiling code to track missed SOFs -+#define FRAME_NUM_ARRAY_SIZE 1000 -+/** -+ * This function is for debug only. -+ */ -+static inline void track_missed_sofs(uint16_t _curr_frame_number) { -+ static uint16_t frame_num_array[FRAME_NUM_ARRAY_SIZE]; -+ static uint16_t last_frame_num_array[FRAME_NUM_ARRAY_SIZE]; -+ static int frame_num_idx = 0; -+ static uint16_t last_frame_num = DWC_HFNUM_MAX_FRNUM; -+ static int dumped_frame_num_array = 0; -+ -+ if (frame_num_idx < FRAME_NUM_ARRAY_SIZE) { -+ if ((((last_frame_num + 1) & DWC_HFNUM_MAX_FRNUM) != _curr_frame_number)) { -+ frame_num_array[frame_num_idx] = _curr_frame_number; -+ last_frame_num_array[frame_num_idx++] = last_frame_num; -+ } -+ } else if (!dumped_frame_num_array) { -+ int i; -+ printk(KERN_EMERG USB_DWC "Frame Last Frame\n"); -+ printk(KERN_EMERG USB_DWC "----- ----------\n"); -+ for (i = 0; i < FRAME_NUM_ARRAY_SIZE; i++) { -+ printk(KERN_EMERG USB_DWC "0x%04x 0x%04x\n", -+ frame_num_array[i], last_frame_num_array[i]); -+ } -+ dumped_frame_num_array = 1; -+ } -+ last_frame_num = _curr_frame_number; -+} -+#endif -+ -+/** -+ * Handles the start-of-frame interrupt in host mode. Non-periodic -+ * transactions may be queued to the DWC_otg controller for the current -+ * (micro)frame. Periodic transactions may be queued to the controller for the -+ * next (micro)frame. -+ */ -+int32_t dwc_otg_hcd_handle_sof_intr (dwc_otg_hcd_t *_hcd) -+{ -+ hfnum_data_t hfnum; -+ struct list_head *qh_entry; -+ dwc_otg_qh_t *qh; -+ dwc_otg_transaction_type_e tr_type; -+ gintsts_data_t gintsts = {.d32 = 0}; -+ -+ hfnum.d32 = dwc_read_reg32(&_hcd->core_if->host_if->host_global_regs->hfnum); -+ -+#ifdef DEBUG_SOF -+ DWC_DEBUGPL(DBG_HCD, "--Start of Frame Interrupt--\n"); -+#endif -+ -+ _hcd->frame_number = hfnum.b.frnum; -+ -+#ifdef DEBUG -+ _hcd->frrem_accum += hfnum.b.frrem; -+ _hcd->frrem_samples++; -+#endif -+ -+#ifdef DWC_TRACK_MISSED_SOFS -+ track_missed_sofs(_hcd->frame_number); -+#endif -+ -+ /* Determine whether any periodic QHs should be executed. */ -+ qh_entry = _hcd->periodic_sched_inactive.next; -+ while (qh_entry != &_hcd->periodic_sched_inactive) { -+ qh = list_entry(qh_entry, dwc_otg_qh_t, qh_list_entry); -+ qh_entry = qh_entry->next; -+ if (dwc_frame_num_le(qh->sched_frame, _hcd->frame_number)) { -+ /* -+ * Move QH to the ready list to be executed next -+ * (micro)frame. -+ */ -+ list_move(&qh->qh_list_entry, &_hcd->periodic_sched_ready); -+ } -+ } -+ -+ tr_type = dwc_otg_hcd_select_transactions(_hcd); -+ if (tr_type != DWC_OTG_TRANSACTION_NONE) { -+ dwc_otg_hcd_queue_transactions(_hcd, tr_type); -+ } -+ -+ /* Clear interrupt */ -+ gintsts.b.sofintr = 1; -+ dwc_write_reg32(&_hcd->core_if->core_global_regs->gintsts, gintsts.d32); -+ -+ return 1; -+} -+ -+/** Handles the Rx Status Queue Level Interrupt, which indicates that there is at -+ * least one packet in the Rx FIFO. The packets are moved from the FIFO to -+ * memory if the DWC_otg controller is operating in Slave mode. */ -+int32_t dwc_otg_hcd_handle_rx_status_q_level_intr (dwc_otg_hcd_t *_dwc_otg_hcd) -+{ -+ host_grxsts_data_t grxsts; -+ dwc_hc_t *hc = NULL; -+ -+ DWC_DEBUGPL(DBG_HCD, "--RxStsQ Level Interrupt--\n"); -+ -+ grxsts.d32 = dwc_read_reg32(&_dwc_otg_hcd->core_if->core_global_regs->grxstsp); -+ -+ hc = _dwc_otg_hcd->hc_ptr_array[grxsts.b.chnum]; -+ -+ /* Packet Status */ -+ DWC_DEBUGPL(DBG_HCDV, " Ch num = %d\n", grxsts.b.chnum); -+ DWC_DEBUGPL(DBG_HCDV, " Count = %d\n", grxsts.b.bcnt); -+ DWC_DEBUGPL(DBG_HCDV, " DPID = %d, hc.dpid = %d\n", grxsts.b.dpid, hc->data_pid_start); -+ DWC_DEBUGPL(DBG_HCDV, " PStatus = %d\n", grxsts.b.pktsts); -+ -+ switch (grxsts.b.pktsts) { -+ case DWC_GRXSTS_PKTSTS_IN: -+ /* Read the data into the host buffer. */ -+ if (grxsts.b.bcnt > 0) { -+ dwc_otg_read_packet(_dwc_otg_hcd->core_if, -+ hc->xfer_buff, -+ grxsts.b.bcnt); -+ -+ /* Update the HC fields for the next packet received. */ -+ hc->xfer_count += grxsts.b.bcnt; -+ hc->xfer_buff += grxsts.b.bcnt; -+ } -+ -+ case DWC_GRXSTS_PKTSTS_IN_XFER_COMP: -+ case DWC_GRXSTS_PKTSTS_DATA_TOGGLE_ERR: -+ case DWC_GRXSTS_PKTSTS_CH_HALTED: -+ /* Handled in interrupt, just ignore data */ -+ break; -+ default: -+ DWC_ERROR ("RX_STS_Q Interrupt: Unknown status %d\n", grxsts.b.pktsts); -+ break; -+ } -+ -+ return 1; -+} -+ -+/** This interrupt occurs when the non-periodic Tx FIFO is half-empty. More -+ * data packets may be written to the FIFO for OUT transfers. More requests -+ * may be written to the non-periodic request queue for IN transfers. This -+ * interrupt is enabled only in Slave mode. */ -+int32_t dwc_otg_hcd_handle_np_tx_fifo_empty_intr (dwc_otg_hcd_t *_dwc_otg_hcd) -+{ -+ DWC_DEBUGPL(DBG_HCD, "--Non-Periodic TxFIFO Empty Interrupt--\n"); -+ dwc_otg_hcd_queue_transactions(_dwc_otg_hcd, -+ DWC_OTG_TRANSACTION_NON_PERIODIC); -+ return 1; -+} -+ -+/** This interrupt occurs when the periodic Tx FIFO is half-empty. More data -+ * packets may be written to the FIFO for OUT transfers. More requests may be -+ * written to the periodic request queue for IN transfers. This interrupt is -+ * enabled only in Slave mode. */ -+int32_t dwc_otg_hcd_handle_perio_tx_fifo_empty_intr (dwc_otg_hcd_t *_dwc_otg_hcd) -+{ -+ DWC_DEBUGPL(DBG_HCD, "--Periodic TxFIFO Empty Interrupt--\n"); -+ dwc_otg_hcd_queue_transactions(_dwc_otg_hcd, -+ DWC_OTG_TRANSACTION_PERIODIC); -+ return 1; -+} -+ -+/** There are multiple conditions that can cause a port interrupt. This function -+ * determines which interrupt conditions have occurred and handles them -+ * appropriately. */ -+int32_t dwc_otg_hcd_handle_port_intr (dwc_otg_hcd_t *_dwc_otg_hcd) -+{ -+ int retval = 0; -+ hprt0_data_t hprt0; -+ hprt0_data_t hprt0_modify; -+ -+ hprt0.d32 = dwc_read_reg32(_dwc_otg_hcd->core_if->host_if->hprt0); -+ hprt0_modify.d32 = dwc_read_reg32(_dwc_otg_hcd->core_if->host_if->hprt0); -+ -+ /* Clear appropriate bits in HPRT0 to clear the interrupt bit in -+ * GINTSTS */ -+ -+ hprt0_modify.b.prtena = 0; -+ hprt0_modify.b.prtconndet = 0; -+ hprt0_modify.b.prtenchng = 0; -+ hprt0_modify.b.prtovrcurrchng = 0; -+ -+ /* Port Connect Detected -+ * Set flag and clear if detected */ -+ if (hprt0.b.prtconndet) { -+ DWC_DEBUGPL(DBG_HCD, "--Port Interrupt HPRT0=0x%08x " -+ "Port Connect Detected--\n", hprt0.d32); -+ _dwc_otg_hcd->flags.b.port_connect_status_change = 1; -+ _dwc_otg_hcd->flags.b.port_connect_status = 1; -+ hprt0_modify.b.prtconndet = 1; -+ -+ /* B-Device has connected, Delete the connection timer. */ -+ del_timer( &_dwc_otg_hcd->conn_timer ); -+ -+ /* The Hub driver asserts a reset when it sees port connect -+ * status change flag */ -+ retval |= 1; -+ } -+ -+ /* Port Enable Changed -+ * Clear if detected - Set internal flag if disabled */ -+ if (hprt0.b.prtenchng) { -+ DWC_DEBUGPL(DBG_HCD, " --Port Interrupt HPRT0=0x%08x " -+ "Port Enable Changed--\n", hprt0.d32); -+ hprt0_modify.b.prtenchng = 1; -+ if (hprt0.b.prtena == 1) { -+ int do_reset = 0; -+ dwc_otg_core_params_t *params = _dwc_otg_hcd->core_if->core_params; -+ dwc_otg_core_global_regs_t *global_regs = _dwc_otg_hcd->core_if->core_global_regs; -+ dwc_otg_host_if_t *host_if = _dwc_otg_hcd->core_if->host_if; -+ -+ /* Check if we need to adjust the PHY clock speed for -+ * low power and adjust it */ -+ if (params->host_support_fs_ls_low_power) -+ { -+ gusbcfg_data_t usbcfg; -+ -+ usbcfg.d32 = dwc_read_reg32 (&global_regs->gusbcfg); -+ -+ if ((hprt0.b.prtspd == DWC_HPRT0_PRTSPD_LOW_SPEED) || -+ (hprt0.b.prtspd == DWC_HPRT0_PRTSPD_FULL_SPEED)) -+ { -+ /* -+ * Low power -+ */ -+ hcfg_data_t hcfg; -+ if (usbcfg.b.phylpwrclksel == 0) { -+ /* Set PHY low power clock select for FS/LS devices */ -+ usbcfg.b.phylpwrclksel = 1; -+ dwc_write_reg32(&global_regs->gusbcfg, usbcfg.d32); -+ do_reset = 1; -+ } -+ -+ hcfg.d32 = dwc_read_reg32(&host_if->host_global_regs->hcfg); -+ -+ if ((hprt0.b.prtspd == DWC_HPRT0_PRTSPD_LOW_SPEED) && -+ (params->host_ls_low_power_phy_clk == -+ DWC_HOST_LS_LOW_POWER_PHY_CLK_PARAM_6MHZ)) -+ { -+ /* 6 MHZ */ -+ DWC_DEBUGPL(DBG_CIL, "FS_PHY programming HCFG to 6 MHz (Low Power)\n"); -+ if (hcfg.b.fslspclksel != DWC_HCFG_6_MHZ) { -+ hcfg.b.fslspclksel = DWC_HCFG_6_MHZ; -+ dwc_write_reg32(&host_if->host_global_regs->hcfg, -+ hcfg.d32); -+ do_reset = 1; -+ } -+ } -+ else { -+ /* 48 MHZ */ -+ DWC_DEBUGPL(DBG_CIL, "FS_PHY programming HCFG to 48 MHz ()\n"); -+ if (hcfg.b.fslspclksel != DWC_HCFG_48_MHZ) { -+ hcfg.b.fslspclksel = DWC_HCFG_48_MHZ; -+ dwc_write_reg32(&host_if->host_global_regs->hcfg, -+ hcfg.d32); -+ do_reset = 1; -+ } -+ } -+ } -+ else { -+ /* -+ * Not low power -+ */ -+ if (usbcfg.b.phylpwrclksel == 1) { -+ usbcfg.b.phylpwrclksel = 0; -+ dwc_write_reg32(&global_regs->gusbcfg, usbcfg.d32); -+ do_reset = 1; -+ } -+ } -+ -+ if (do_reset) { -+ tasklet_schedule(_dwc_otg_hcd->reset_tasklet); -+ } -+ } -+ -+ if (!do_reset) { -+ /* Port has been enabled set the reset change flag */ -+ _dwc_otg_hcd->flags.b.port_reset_change = 1; -+ } -+ -+ } else { -+ _dwc_otg_hcd->flags.b.port_enable_change = 1; -+ } -+ retval |= 1; -+ } -+ -+ /** Overcurrent Change Interrupt */ -+ if (hprt0.b.prtovrcurrchng) { -+ DWC_DEBUGPL(DBG_HCD, " --Port Interrupt HPRT0=0x%08x " -+ "Port Overcurrent Changed--\n", hprt0.d32); -+ _dwc_otg_hcd->flags.b.port_over_current_change = 1; -+ hprt0_modify.b.prtovrcurrchng = 1; -+ retval |= 1; -+ } -+ -+ /* Clear Port Interrupts */ -+ dwc_write_reg32(_dwc_otg_hcd->core_if->host_if->hprt0, hprt0_modify.d32); -+ -+ return retval; -+} -+ -+ -+/** This interrupt indicates that one or more host channels has a pending -+ * interrupt. There are multiple conditions that can cause each host channel -+ * interrupt. This function determines which conditions have occurred for each -+ * host channel interrupt and handles them appropriately. */ -+int32_t dwc_otg_hcd_handle_hc_intr (dwc_otg_hcd_t *_dwc_otg_hcd) -+{ -+ int i; -+ int retval = 0; -+ haint_data_t haint; -+ -+ /* Clear appropriate bits in HCINTn to clear the interrupt bit in -+ * GINTSTS */ -+ -+ haint.d32 = dwc_otg_read_host_all_channels_intr(_dwc_otg_hcd->core_if); -+ -+ for (i=0; i<_dwc_otg_hcd->core_if->core_params->host_channels; i++) { -+ if (haint.b2.chint & (1 << i)) { -+ retval |= dwc_otg_hcd_handle_hc_n_intr (_dwc_otg_hcd, i); -+ } -+ } -+ -+ return retval; -+} -+ -+/* Macro used to clear one channel interrupt */ -+#define clear_hc_int(_hc_regs_,_intr_) \ -+do { \ -+ hcint_data_t hcint_clear = {.d32 = 0}; \ -+ hcint_clear.b._intr_ = 1; \ -+ dwc_write_reg32(&((_hc_regs_)->hcint), hcint_clear.d32); \ -+} while (0) -+ -+/* -+ * Macro used to disable one channel interrupt. Channel interrupts are -+ * disabled when the channel is halted or released by the interrupt handler. -+ * There is no need to handle further interrupts of that type until the -+ * channel is re-assigned. In fact, subsequent handling may cause crashes -+ * because the channel structures are cleaned up when the channel is released. -+ */ -+#define disable_hc_int(_hc_regs_,_intr_) \ -+do { \ -+ hcintmsk_data_t hcintmsk = {.d32 = 0}; \ -+ hcintmsk.b._intr_ = 1; \ -+ dwc_modify_reg32(&((_hc_regs_)->hcintmsk), hcintmsk.d32, 0); \ -+} while (0) -+ -+/** -+ * Gets the actual length of a transfer after the transfer halts. _halt_status -+ * holds the reason for the halt. -+ * -+ * For IN transfers where _halt_status is DWC_OTG_HC_XFER_COMPLETE, -+ * *_short_read is set to 1 upon return if less than the requested -+ * number of bytes were transferred. Otherwise, *_short_read is set to 0 upon -+ * return. _short_read may also be NULL on entry, in which case it remains -+ * unchanged. -+ */ -+static uint32_t get_actual_xfer_length(dwc_hc_t *_hc, -+ dwc_otg_hc_regs_t *_hc_regs, -+ dwc_otg_qtd_t *_qtd, -+ dwc_otg_halt_status_e _halt_status, -+ int *_short_read) -+{ -+ hctsiz_data_t hctsiz; -+ uint32_t length; -+ -+ if (_short_read != NULL) { -+ *_short_read = 0; -+ } -+ hctsiz.d32 = dwc_read_reg32(&_hc_regs->hctsiz); -+ -+ if (_halt_status == DWC_OTG_HC_XFER_COMPLETE) { -+ if (_hc->ep_is_in) { -+ length = _hc->xfer_len - hctsiz.b.xfersize; -+ if (_short_read != NULL) { -+ *_short_read = (hctsiz.b.xfersize != 0); -+ } -+ } else if (_hc->qh->do_split) { -+ length = _qtd->ssplit_out_xfer_count; -+ } else { -+ length = _hc->xfer_len; -+ } -+ } else { -+ /* -+ * Must use the hctsiz.pktcnt field to determine how much data -+ * has been transferred. This field reflects the number of -+ * packets that have been transferred via the USB. This is -+ * always an integral number of packets if the transfer was -+ * halted before its normal completion. (Can't use the -+ * hctsiz.xfersize field because that reflects the number of -+ * bytes transferred via the AHB, not the USB). -+ */ -+ length = (_hc->start_pkt_count - hctsiz.b.pktcnt) * _hc->max_packet; -+ } -+ -+ return length; -+} -+ -+/** -+ * Updates the state of the URB after a Transfer Complete interrupt on the -+ * host channel. Updates the actual_length field of the URB based on the -+ * number of bytes transferred via the host channel. Sets the URB status -+ * if the data transfer is finished. -+ * -+ * @return 1 if the data transfer specified by the URB is completely finished, -+ * 0 otherwise. -+ */ -+static int update_urb_state_xfer_comp(dwc_hc_t *_hc, -+ dwc_otg_hc_regs_t * _hc_regs, struct urb *_urb, -+ dwc_otg_qtd_t * _qtd, int *status) -+{ -+ int xfer_done = 0; -+ int short_read = 0; -+ -+ _urb->actual_length += get_actual_xfer_length(_hc, _hc_regs, _qtd, -+ DWC_OTG_HC_XFER_COMPLETE, -+ &short_read); -+ -+ if (short_read || (_urb->actual_length == _urb->transfer_buffer_length)) { -+ xfer_done = 1; -+ if (short_read && (_urb->transfer_flags & URB_SHORT_NOT_OK)) { -+ *status = -EREMOTEIO; -+ } else { -+ *status = 0; -+ } -+ } -+ -+#ifdef DEBUG -+ { -+ hctsiz_data_t hctsiz; -+ hctsiz.d32 = dwc_read_reg32(&_hc_regs->hctsiz); -+ DWC_DEBUGPL(DBG_HCDV, "DWC_otg: %s: %s, channel %d\n", -+ __func__, (_hc->ep_is_in ? "IN" : "OUT"), _hc->hc_num); -+ DWC_DEBUGPL(DBG_HCDV, " hc->xfer_len %d\n", _hc->xfer_len); -+ DWC_DEBUGPL(DBG_HCDV, " hctsiz.xfersize %d\n", hctsiz.b.xfersize); -+ DWC_DEBUGPL(DBG_HCDV, " urb->transfer_buffer_length %d\n", -+ _urb->transfer_buffer_length); -+ DWC_DEBUGPL(DBG_HCDV, " urb->actual_length %d\n", _urb->actual_length); -+ DWC_DEBUGPL(DBG_HCDV, " short_read %d, xfer_done %d\n", -+ short_read, xfer_done); -+ } -+#endif -+ -+ return xfer_done; -+} -+ -+/* -+ * Save the starting data toggle for the next transfer. The data toggle is -+ * saved in the QH for non-control transfers and it's saved in the QTD for -+ * control transfers. -+ */ -+static void save_data_toggle(dwc_hc_t *_hc, -+ dwc_otg_hc_regs_t *_hc_regs, -+ dwc_otg_qtd_t *_qtd) -+{ -+ hctsiz_data_t hctsiz; -+ hctsiz.d32 = dwc_read_reg32(&_hc_regs->hctsiz); -+ -+ if (_hc->ep_type != DWC_OTG_EP_TYPE_CONTROL) { -+ dwc_otg_qh_t *qh = _hc->qh; -+ if (hctsiz.b.pid == DWC_HCTSIZ_DATA0) { -+ qh->data_toggle = DWC_OTG_HC_PID_DATA0; -+ } else { -+ qh->data_toggle = DWC_OTG_HC_PID_DATA1; -+ } -+ } else { -+ if (hctsiz.b.pid == DWC_HCTSIZ_DATA0) { -+ _qtd->data_toggle = DWC_OTG_HC_PID_DATA0; -+ } else { -+ _qtd->data_toggle = DWC_OTG_HC_PID_DATA1; -+ } -+ } -+} -+ -+/** -+ * Frees the first QTD in the QH's list if free_qtd is 1. For non-periodic -+ * QHs, removes the QH from the active non-periodic schedule. If any QTDs are -+ * still linked to the QH, the QH is added to the end of the inactive -+ * non-periodic schedule. For periodic QHs, removes the QH from the periodic -+ * schedule if no more QTDs are linked to the QH. -+ */ -+static void deactivate_qh(dwc_otg_hcd_t *_hcd, -+ dwc_otg_qh_t *_qh, -+ int free_qtd) -+{ -+ int continue_split = 0; -+ dwc_otg_qtd_t *qtd; -+ -+ DWC_DEBUGPL(DBG_HCDV, " %s(%p,%p,%d)\n", __func__, _hcd, _qh, free_qtd); -+ -+ qtd = list_entry(_qh->qtd_list.next, dwc_otg_qtd_t, qtd_list_entry); -+ -+ if (qtd->complete_split) { -+ continue_split = 1; -+ } -+ else if ((qtd->isoc_split_pos == DWC_HCSPLIT_XACTPOS_MID) || -+ (qtd->isoc_split_pos == DWC_HCSPLIT_XACTPOS_END)) -+ { -+ continue_split = 1; -+ } -+ -+ if (free_qtd) { -+ /* -+ * Note that this was previously a call to -+ * dwc_otg_hcd_qtd_remove_and_free(qtd), which frees the qtd. -+ * However, that call frees the qtd memory, and we continue in the -+ * interrupt logic to access it many more times, including writing -+ * to it. With slub debugging on, it is clear that we were writing -+ * to memory we had freed. -+ * Call this instead, and now I have moved the freeing of the memory to -+ * the end of processing this interrupt. -+ */ -+ //dwc_otg_hcd_qtd_remove_and_free(qtd); -+ dwc_otg_hcd_qtd_remove(qtd); -+ -+ continue_split = 0; -+ } -+ -+ _qh->channel = NULL; -+ _qh->qtd_in_process = NULL; -+ dwc_otg_hcd_qh_deactivate(_hcd, _qh, continue_split); -+} -+ -+/** -+ * Updates the state of an Isochronous URB when the transfer is stopped for -+ * any reason. The fields of the current entry in the frame descriptor array -+ * are set based on the transfer state and the input _halt_status. Completes -+ * the Isochronous URB if all the URB frames have been completed. -+ * -+ * @return DWC_OTG_HC_XFER_COMPLETE if there are more frames remaining to be -+ * transferred in the URB. Otherwise return DWC_OTG_HC_XFER_URB_COMPLETE. -+ */ -+static dwc_otg_halt_status_e -+update_isoc_urb_state(dwc_otg_hcd_t *_hcd, -+ dwc_hc_t *_hc, -+ dwc_otg_hc_regs_t *_hc_regs, -+ dwc_otg_qtd_t *_qtd, -+ dwc_otg_halt_status_e _halt_status) -+{ -+ struct urb *urb = _qtd->urb; -+ dwc_otg_halt_status_e ret_val = _halt_status; -+ struct usb_iso_packet_descriptor *frame_desc; -+ -+ frame_desc = &urb->iso_frame_desc[_qtd->isoc_frame_index]; -+ switch (_halt_status) { -+ case DWC_OTG_HC_XFER_COMPLETE: -+ frame_desc->status = 0; -+ frame_desc->actual_length = -+ get_actual_xfer_length(_hc, _hc_regs, _qtd, -+ _halt_status, NULL); -+ break; -+ case DWC_OTG_HC_XFER_FRAME_OVERRUN: -+ urb->error_count++; -+ if (_hc->ep_is_in) { -+ frame_desc->status = -ENOSR; -+ } else { -+ frame_desc->status = -ECOMM; -+ } -+ frame_desc->actual_length = 0; -+ break; -+ case DWC_OTG_HC_XFER_BABBLE_ERR: -+ urb->error_count++; -+ frame_desc->status = -EOVERFLOW; -+ /* Don't need to update actual_length in this case. */ -+ break; -+ case DWC_OTG_HC_XFER_XACT_ERR: -+ urb->error_count++; -+ frame_desc->status = -EPROTO; -+ frame_desc->actual_length = -+ get_actual_xfer_length(_hc, _hc_regs, _qtd, -+ _halt_status, NULL); -+ default: -+ DWC_ERROR("%s: Unhandled _halt_status (%d)\n", __func__, -+ _halt_status); -+ BUG(); -+ break; -+ } -+ -+ if (++_qtd->isoc_frame_index == urb->number_of_packets) { -+ /* -+ * urb->status is not used for isoc transfers. -+ * The individual frame_desc statuses are used instead. -+ */ -+ dwc_otg_hcd_complete_urb(_hcd, urb, 0); -+ ret_val = DWC_OTG_HC_XFER_URB_COMPLETE; -+ } else { -+ ret_val = DWC_OTG_HC_XFER_COMPLETE; -+ } -+ -+ return ret_val; -+} -+ -+/** -+ * Releases a host channel for use by other transfers. Attempts to select and -+ * queue more transactions since at least one host channel is available. -+ * -+ * @param _hcd The HCD state structure. -+ * @param _hc The host channel to release. -+ * @param _qtd The QTD associated with the host channel. This QTD may be freed -+ * if the transfer is complete or an error has occurred. -+ * @param _halt_status Reason the channel is being released. This status -+ * determines the actions taken by this function. -+ */ -+static void release_channel(dwc_otg_hcd_t *_hcd, -+ dwc_hc_t *_hc, -+ dwc_otg_qtd_t *_qtd, -+ dwc_otg_halt_status_e _halt_status, -+ int *must_free) -+{ -+ dwc_otg_transaction_type_e tr_type; -+ int free_qtd; -+ dwc_otg_qh_t * _qh; -+ int deact = 1; -+ int retry_delay = 1; -+ unsigned long flags; -+ -+ DWC_DEBUGPL(DBG_HCDV, " %s: channel %d, halt_status %d\n", __func__, -+ _hc->hc_num, _halt_status); -+ -+ switch (_halt_status) { -+ case DWC_OTG_HC_XFER_NYET: -+ case DWC_OTG_HC_XFER_NAK: -+ if (_halt_status == DWC_OTG_HC_XFER_NYET) { -+ retry_delay = nyet_deferral_delay; -+ } else { -+ retry_delay = nak_deferral_delay; -+ } -+ free_qtd = 0; -+ if (deferral_on && _hc->do_split) { -+ _qh = _hc->qh; -+ if (_qh) { -+ deact = dwc_otg_hcd_qh_deferr(_hcd, _qh , retry_delay); -+ } -+ } -+ break; -+ case DWC_OTG_HC_XFER_URB_COMPLETE: -+ free_qtd = 1; -+ break; -+ case DWC_OTG_HC_XFER_AHB_ERR: -+ case DWC_OTG_HC_XFER_STALL: -+ case DWC_OTG_HC_XFER_BABBLE_ERR: -+ free_qtd = 1; -+ break; -+ case DWC_OTG_HC_XFER_XACT_ERR: -+ if (_qtd->error_count >= 3) { -+ DWC_DEBUGPL(DBG_HCDV, " Complete URB with transaction error\n"); -+ free_qtd = 1; -+ //_qtd->urb->status = -EPROTO; -+ dwc_otg_hcd_complete_urb(_hcd, _qtd->urb, -EPROTO); -+ } else { -+ free_qtd = 0; -+ } -+ break; -+ case DWC_OTG_HC_XFER_URB_DEQUEUE: -+ /* -+ * The QTD has already been removed and the QH has been -+ * deactivated. Don't want to do anything except release the -+ * host channel and try to queue more transfers. -+ */ -+ goto cleanup; -+ case DWC_OTG_HC_XFER_NO_HALT_STATUS: -+ DWC_ERROR("%s: No halt_status, channel %d\n", __func__, _hc->hc_num); -+ free_qtd = 0; -+ break; -+ default: -+ free_qtd = 0; -+ break; -+ } -+ if (free_qtd) { -+ /* Only change must_free to true (do not set to zero here -- it is -+ * pre-initialized to zero). -+ */ -+ *must_free = 1; -+ } -+ if (deact) { -+ deactivate_qh(_hcd, _hc->qh, free_qtd); -+ } -+ cleanup: -+ /* -+ * Release the host channel for use by other transfers. The cleanup -+ * function clears the channel interrupt enables and conditions, so -+ * there's no need to clear the Channel Halted interrupt separately. -+ */ -+ dwc_otg_hc_cleanup(_hcd->core_if, _hc); -+ list_add_tail(&_hc->hc_list_entry, &_hcd->free_hc_list); -+ -+ local_irq_save(flags); -+ _hcd->available_host_channels++; -+ local_irq_restore(flags); -+ /* Try to queue more transfers now that there's a free channel, */ -+ /* unless erratum_usb09_patched is set */ -+ if (!erratum_usb09_patched) { -+ tr_type = dwc_otg_hcd_select_transactions(_hcd); -+ if (tr_type != DWC_OTG_TRANSACTION_NONE) { -+ dwc_otg_hcd_queue_transactions(_hcd, tr_type); -+ } -+ } -+} -+ -+/** -+ * Halts a host channel. If the channel cannot be halted immediately because -+ * the request queue is full, this function ensures that the FIFO empty -+ * interrupt for the appropriate queue is enabled so that the halt request can -+ * be queued when there is space in the request queue. -+ * -+ * This function may also be called in DMA mode. In that case, the channel is -+ * simply released since the core always halts the channel automatically in -+ * DMA mode. -+ */ -+static void halt_channel(dwc_otg_hcd_t *_hcd, -+ dwc_hc_t *_hc, -+ dwc_otg_qtd_t *_qtd, -+ dwc_otg_halt_status_e _halt_status, int *must_free) -+{ -+ if (_hcd->core_if->dma_enable) { -+ release_channel(_hcd, _hc, _qtd, _halt_status, must_free); -+ return; -+ } -+ -+ /* Slave mode processing... */ -+ dwc_otg_hc_halt(_hcd->core_if, _hc, _halt_status); -+ -+ if (_hc->halt_on_queue) { -+ gintmsk_data_t gintmsk = {.d32 = 0}; -+ dwc_otg_core_global_regs_t *global_regs; -+ global_regs = _hcd->core_if->core_global_regs; -+ -+ if (_hc->ep_type == DWC_OTG_EP_TYPE_CONTROL || -+ _hc->ep_type == DWC_OTG_EP_TYPE_BULK) { -+ /* -+ * Make sure the Non-periodic Tx FIFO empty interrupt -+ * is enabled so that the non-periodic schedule will -+ * be processed. -+ */ -+ gintmsk.b.nptxfempty = 1; -+ dwc_modify_reg32(&global_regs->gintmsk, 0, gintmsk.d32); -+ } else { -+ /* -+ * Move the QH from the periodic queued schedule to -+ * the periodic assigned schedule. This allows the -+ * halt to be queued when the periodic schedule is -+ * processed. -+ */ -+ list_move(&_hc->qh->qh_list_entry, -+ &_hcd->periodic_sched_assigned); -+ -+ /* -+ * Make sure the Periodic Tx FIFO Empty interrupt is -+ * enabled so that the periodic schedule will be -+ * processed. -+ */ -+ gintmsk.b.ptxfempty = 1; -+ dwc_modify_reg32(&global_regs->gintmsk, 0, gintmsk.d32); -+ } -+ } -+} -+ -+/** -+ * Performs common cleanup for non-periodic transfers after a Transfer -+ * Complete interrupt. This function should be called after any endpoint type -+ * specific handling is finished to release the host channel. -+ */ -+static void complete_non_periodic_xfer(dwc_otg_hcd_t *_hcd, -+ dwc_hc_t *_hc, -+ dwc_otg_hc_regs_t *_hc_regs, -+ dwc_otg_qtd_t *_qtd, -+ dwc_otg_halt_status_e _halt_status, int *must_free) -+{ -+ hcint_data_t hcint; -+ -+ _qtd->error_count = 0; -+ -+ hcint.d32 = dwc_read_reg32(&_hc_regs->hcint); -+ if (hcint.b.nyet) { -+ /* -+ * Got a NYET on the last transaction of the transfer. This -+ * means that the endpoint should be in the PING state at the -+ * beginning of the next transfer. -+ */ -+ _hc->qh->ping_state = 1; -+ clear_hc_int(_hc_regs,nyet); -+ } -+ -+ /* -+ * Always halt and release the host channel to make it available for -+ * more transfers. There may still be more phases for a control -+ * transfer or more data packets for a bulk transfer at this point, -+ * but the host channel is still halted. A channel will be reassigned -+ * to the transfer when the non-periodic schedule is processed after -+ * the channel is released. This allows transactions to be queued -+ * properly via dwc_otg_hcd_queue_transactions, which also enables the -+ * Tx FIFO Empty interrupt if necessary. -+ */ -+ if (_hc->ep_is_in) { -+ /* -+ * IN transfers in Slave mode require an explicit disable to -+ * halt the channel. (In DMA mode, this call simply releases -+ * the channel.) -+ */ -+ halt_channel(_hcd, _hc, _qtd, _halt_status, must_free); -+ } else { -+ /* -+ * The channel is automatically disabled by the core for OUT -+ * transfers in Slave mode. -+ */ -+ release_channel(_hcd, _hc, _qtd, _halt_status, must_free); -+ } -+} -+ -+/** -+ * Performs common cleanup for periodic transfers after a Transfer Complete -+ * interrupt. This function should be called after any endpoint type specific -+ * handling is finished to release the host channel. -+ */ -+static void complete_periodic_xfer(dwc_otg_hcd_t *_hcd, -+ dwc_hc_t *_hc, -+ dwc_otg_hc_regs_t *_hc_regs, -+ dwc_otg_qtd_t *_qtd, -+ dwc_otg_halt_status_e _halt_status, int *must_free) -+{ -+ hctsiz_data_t hctsiz; -+ _qtd->error_count = 0; -+ -+ hctsiz.d32 = dwc_read_reg32(&_hc_regs->hctsiz); -+ if (!_hc->ep_is_in || hctsiz.b.pktcnt == 0) { -+ /* Core halts channel in these cases. */ -+ release_channel(_hcd, _hc, _qtd, _halt_status, must_free); -+ } else { -+ /* Flush any outstanding requests from the Tx queue. */ -+ halt_channel(_hcd, _hc, _qtd, _halt_status, must_free); -+ } -+} -+ -+/** -+ * Handles a host channel Transfer Complete interrupt. This handler may be -+ * called in either DMA mode or Slave mode. -+ */ -+static int32_t handle_hc_xfercomp_intr(dwc_otg_hcd_t *_hcd, -+ dwc_hc_t *_hc, -+ dwc_otg_hc_regs_t *_hc_regs, -+ dwc_otg_qtd_t *_qtd, int *must_free) -+{ -+ int urb_xfer_done; -+ dwc_otg_halt_status_e halt_status = DWC_OTG_HC_XFER_COMPLETE; -+ struct urb *urb = _qtd->urb; -+ int pipe_type = usb_pipetype(urb->pipe); -+ int status = -EINPROGRESS; -+ -+ DWC_DEBUGPL(DBG_HCD, "--Host Channel %d Interrupt: " -+ "Transfer Complete--\n", _hc->hc_num); -+ -+ /* -+ * Handle xfer complete on CSPLIT. -+ */ -+ if (_hc->qh->do_split) { -+ _qtd->complete_split = 0; -+ } -+ -+ /* Update the QTD and URB states. */ -+ switch (pipe_type) { -+ case PIPE_CONTROL: -+ switch (_qtd->control_phase) { -+ case DWC_OTG_CONTROL_SETUP: -+ if (urb->transfer_buffer_length > 0) { -+ _qtd->control_phase = DWC_OTG_CONTROL_DATA; -+ } else { -+ _qtd->control_phase = DWC_OTG_CONTROL_STATUS; -+ } -+ DWC_DEBUGPL(DBG_HCDV, " Control setup transaction done\n"); -+ halt_status = DWC_OTG_HC_XFER_COMPLETE; -+ break; -+ case DWC_OTG_CONTROL_DATA: { -+ urb_xfer_done = update_urb_state_xfer_comp(_hc, _hc_regs,urb, _qtd, &status); -+ if (urb_xfer_done) { -+ _qtd->control_phase = DWC_OTG_CONTROL_STATUS; -+ DWC_DEBUGPL(DBG_HCDV, " Control data transfer done\n"); -+ } else { -+ save_data_toggle(_hc, _hc_regs, _qtd); -+ } -+ halt_status = DWC_OTG_HC_XFER_COMPLETE; -+ break; -+ } -+ case DWC_OTG_CONTROL_STATUS: -+ DWC_DEBUGPL(DBG_HCDV, " Control transfer complete\n"); -+ if (status == -EINPROGRESS) { -+ status = 0; -+ } -+ dwc_otg_hcd_complete_urb(_hcd, urb, status); -+ halt_status = DWC_OTG_HC_XFER_URB_COMPLETE; -+ break; -+ } -+ -+ complete_non_periodic_xfer(_hcd, _hc, _hc_regs, _qtd, -+ halt_status, must_free); -+ break; -+ case PIPE_BULK: -+ DWC_DEBUGPL(DBG_HCDV, " Bulk transfer complete\n"); -+ urb_xfer_done = update_urb_state_xfer_comp(_hc, _hc_regs, urb, _qtd, &status); -+ if (urb_xfer_done) { -+ dwc_otg_hcd_complete_urb(_hcd, urb, status); -+ halt_status = DWC_OTG_HC_XFER_URB_COMPLETE; -+ } else { -+ halt_status = DWC_OTG_HC_XFER_COMPLETE; -+ } -+ -+ save_data_toggle(_hc, _hc_regs, _qtd); -+ complete_non_periodic_xfer(_hcd, _hc, _hc_regs, _qtd,halt_status, must_free); -+ break; -+ case PIPE_INTERRUPT: -+ DWC_DEBUGPL(DBG_HCDV, " Interrupt transfer complete\n"); -+ update_urb_state_xfer_comp(_hc, _hc_regs, urb, _qtd, &status); -+ -+ /* -+ * Interrupt URB is done on the first transfer complete -+ * interrupt. -+ */ -+ dwc_otg_hcd_complete_urb(_hcd, urb, status); -+ save_data_toggle(_hc, _hc_regs, _qtd); -+ complete_periodic_xfer(_hcd, _hc, _hc_regs, _qtd, -+ DWC_OTG_HC_XFER_URB_COMPLETE, must_free); -+ break; -+ case PIPE_ISOCHRONOUS: -+ DWC_DEBUGPL(DBG_HCDV, " Isochronous transfer complete\n"); -+ if (_qtd->isoc_split_pos == DWC_HCSPLIT_XACTPOS_ALL) -+ { -+ halt_status = update_isoc_urb_state(_hcd, _hc, _hc_regs, _qtd, -+ DWC_OTG_HC_XFER_COMPLETE); -+ } -+ complete_periodic_xfer(_hcd, _hc, _hc_regs, _qtd, halt_status, must_free); -+ break; -+ } -+ -+ disable_hc_int(_hc_regs,xfercompl); -+ -+ return 1; -+} -+ -+/** -+ * Handles a host channel STALL interrupt. This handler may be called in -+ * either DMA mode or Slave mode. -+ */ -+static int32_t handle_hc_stall_intr(dwc_otg_hcd_t *_hcd, -+ dwc_hc_t *_hc, -+ dwc_otg_hc_regs_t *_hc_regs, -+ dwc_otg_qtd_t *_qtd, int *must_free) -+{ -+ struct urb *urb = _qtd->urb; -+ int pipe_type = usb_pipetype(urb->pipe); -+ -+ DWC_DEBUGPL(DBG_HCD, "--Host Channel %d Interrupt: " -+ "STALL Received--\n", _hc->hc_num); -+ -+ if (pipe_type == PIPE_CONTROL) { -+ dwc_otg_hcd_complete_urb(_hcd, _qtd->urb, -EPIPE); -+ } -+ -+ if (pipe_type == PIPE_BULK || pipe_type == PIPE_INTERRUPT) { -+ dwc_otg_hcd_complete_urb(_hcd, _qtd->urb, -EPIPE); -+ /* -+ * USB protocol requires resetting the data toggle for bulk -+ * and interrupt endpoints when a CLEAR_FEATURE(ENDPOINT_HALT) -+ * setup command is issued to the endpoint. Anticipate the -+ * CLEAR_FEATURE command since a STALL has occurred and reset -+ * the data toggle now. -+ */ -+ _hc->qh->data_toggle = 0; -+ } -+ -+ halt_channel(_hcd, _hc, _qtd, DWC_OTG_HC_XFER_STALL, must_free); -+ disable_hc_int(_hc_regs,stall); -+ -+ return 1; -+} -+ -+/* -+ * Updates the state of the URB when a transfer has been stopped due to an -+ * abnormal condition before the transfer completes. Modifies the -+ * actual_length field of the URB to reflect the number of bytes that have -+ * actually been transferred via the host channel. -+ */ -+static void update_urb_state_xfer_intr(dwc_hc_t *_hc, -+ dwc_otg_hc_regs_t *_hc_regs, -+ struct urb *_urb, -+ dwc_otg_qtd_t *_qtd, -+ dwc_otg_halt_status_e _halt_status) -+{ -+ uint32_t bytes_transferred = get_actual_xfer_length(_hc, _hc_regs, _qtd, -+ _halt_status, NULL); -+ _urb->actual_length += bytes_transferred; -+ -+#ifdef DEBUG -+ { -+ hctsiz_data_t hctsiz; -+ hctsiz.d32 = dwc_read_reg32(&_hc_regs->hctsiz); -+ DWC_DEBUGPL(DBG_HCDV, "DWC_otg: %s: %s, channel %d\n", -+ __func__, (_hc->ep_is_in ? "IN" : "OUT"), _hc->hc_num); -+ DWC_DEBUGPL(DBG_HCDV, " _hc->start_pkt_count %d\n", _hc->start_pkt_count); -+ DWC_DEBUGPL(DBG_HCDV, " hctsiz.pktcnt %d\n", hctsiz.b.pktcnt); -+ DWC_DEBUGPL(DBG_HCDV, " _hc->max_packet %d\n", _hc->max_packet); -+ DWC_DEBUGPL(DBG_HCDV, " bytes_transferred %d\n", bytes_transferred); -+ DWC_DEBUGPL(DBG_HCDV, " _urb->actual_length %d\n", _urb->actual_length); -+ DWC_DEBUGPL(DBG_HCDV, " _urb->transfer_buffer_length %d\n", -+ _urb->transfer_buffer_length); -+ } -+#endif -+} -+ -+/** -+ * Handles a host channel NAK interrupt. This handler may be called in either -+ * DMA mode or Slave mode. -+ */ -+static int32_t handle_hc_nak_intr(dwc_otg_hcd_t *_hcd, -+ dwc_hc_t *_hc, -+ dwc_otg_hc_regs_t *_hc_regs, -+ dwc_otg_qtd_t *_qtd, int *must_free) -+{ -+ DWC_DEBUGPL(DBG_HCD, "--Host Channel %d Interrupt: " -+ "NAK Received--\n", _hc->hc_num); -+ -+ /* -+ * Handle NAK for IN/OUT SSPLIT/CSPLIT transfers, bulk, control, and -+ * interrupt. Re-start the SSPLIT transfer. -+ */ -+ if (_hc->do_split) { -+ if (_hc->complete_split) { -+ _qtd->error_count = 0; -+ } -+ _qtd->complete_split = 0; -+ halt_channel(_hcd, _hc, _qtd, DWC_OTG_HC_XFER_NAK, must_free); -+ goto handle_nak_done; -+ } -+ -+ switch (usb_pipetype(_qtd->urb->pipe)) { -+ case PIPE_CONTROL: -+ case PIPE_BULK: -+ if (_hcd->core_if->dma_enable && _hc->ep_is_in) { -+ /* -+ * NAK interrupts are enabled on bulk/control IN -+ * transfers in DMA mode for the sole purpose of -+ * resetting the error count after a transaction error -+ * occurs. The core will continue transferring data. -+ */ -+ _qtd->error_count = 0; -+ goto handle_nak_done; -+ } -+ -+ /* -+ * NAK interrupts normally occur during OUT transfers in DMA -+ * or Slave mode. For IN transfers, more requests will be -+ * queued as request queue space is available. -+ */ -+ _qtd->error_count = 0; -+ -+ if (!_hc->qh->ping_state) { -+ update_urb_state_xfer_intr(_hc, _hc_regs, _qtd->urb, -+ _qtd, DWC_OTG_HC_XFER_NAK); -+ save_data_toggle(_hc, _hc_regs, _qtd); -+ if (_qtd->urb->dev->speed == USB_SPEED_HIGH) { -+ _hc->qh->ping_state = 1; -+ } -+ } -+ -+ /* -+ * Halt the channel so the transfer can be re-started from -+ * the appropriate point or the PING protocol will -+ * start/continue. -+ */ -+ halt_channel(_hcd, _hc, _qtd, DWC_OTG_HC_XFER_NAK, must_free); -+ break; -+ case PIPE_INTERRUPT: -+ _qtd->error_count = 0; -+ halt_channel(_hcd, _hc, _qtd, DWC_OTG_HC_XFER_NAK, must_free); -+ break; -+ case PIPE_ISOCHRONOUS: -+ /* Should never get called for isochronous transfers. */ -+ BUG(); -+ break; -+ } -+ -+ handle_nak_done: -+ disable_hc_int(_hc_regs,nak); -+ -+ return 1; -+} -+ -+/** -+ * Handles a host channel ACK interrupt. This interrupt is enabled when -+ * performing the PING protocol in Slave mode, when errors occur during -+ * either Slave mode or DMA mode, and during Start Split transactions. -+ */ -+static int32_t handle_hc_ack_intr(dwc_otg_hcd_t *_hcd, -+ dwc_hc_t * _hc, dwc_otg_hc_regs_t * _hc_regs, dwc_otg_qtd_t * _qtd, int *must_free) -+{ -+ DWC_DEBUGPL(DBG_HCD, "--Host Channel %d Interrupt: " -+ "ACK Received--\n", _hc->hc_num); -+ -+ if (_hc->do_split) { -+ /* -+ * Handle ACK on SSPLIT. -+ * ACK should not occur in CSPLIT. -+ */ -+ if ((!_hc->ep_is_in) && (_hc->data_pid_start != DWC_OTG_HC_PID_SETUP)) { -+ _qtd->ssplit_out_xfer_count = _hc->xfer_len; -+ } -+ if (!(_hc->ep_type == DWC_OTG_EP_TYPE_ISOC && !_hc->ep_is_in)) { -+ /* Don't need complete for isochronous out transfers. */ -+ _qtd->complete_split = 1; -+ } -+ -+ /* ISOC OUT */ -+ if ((_hc->ep_type == DWC_OTG_EP_TYPE_ISOC) && !_hc->ep_is_in) { -+ switch (_hc->xact_pos) { -+ case DWC_HCSPLIT_XACTPOS_ALL: -+ break; -+ case DWC_HCSPLIT_XACTPOS_END: -+ _qtd->isoc_split_pos = DWC_HCSPLIT_XACTPOS_ALL; -+ _qtd->isoc_split_offset = 0; -+ break; -+ case DWC_HCSPLIT_XACTPOS_BEGIN: -+ case DWC_HCSPLIT_XACTPOS_MID: -+ /* -+ * For BEGIN or MID, calculate the length for -+ * the next microframe to determine the correct -+ * SSPLIT token, either MID or END. -+ */ -+ do { -+ struct usb_iso_packet_descriptor *frame_desc; -+ -+ frame_desc = &_qtd->urb->iso_frame_desc[_qtd->isoc_frame_index]; -+ _qtd->isoc_split_offset += 188; -+ -+ if ((frame_desc->length - _qtd->isoc_split_offset) <= 188) { -+ _qtd->isoc_split_pos = DWC_HCSPLIT_XACTPOS_END; -+ } -+ else { -+ _qtd->isoc_split_pos = DWC_HCSPLIT_XACTPOS_MID; -+ } -+ -+ } while(0); -+ break; -+ } -+ } else { -+ halt_channel(_hcd, _hc, _qtd, DWC_OTG_HC_XFER_ACK, must_free); -+ } -+ } else { -+ _qtd->error_count = 0; -+ -+ if (_hc->qh->ping_state) { -+ _hc->qh->ping_state = 0; -+ /* -+ * Halt the channel so the transfer can be re-started -+ * from the appropriate point. This only happens in -+ * Slave mode. In DMA mode, the ping_state is cleared -+ * when the transfer is started because the core -+ * automatically executes the PING, then the transfer. -+ */ -+ halt_channel(_hcd, _hc, _qtd, DWC_OTG_HC_XFER_ACK, must_free); -+ } else { -+ halt_channel(_hcd, _hc, _qtd, _hc->halt_status, must_free); -+ } -+ } -+ -+ /* -+ * If the ACK occurred when _not_ in the PING state, let the channel -+ * continue transferring data after clearing the error count. -+ */ -+ -+ disable_hc_int(_hc_regs,ack); -+ -+ return 1; -+} -+ -+/** -+ * Handles a host channel NYET interrupt. This interrupt should only occur on -+ * Bulk and Control OUT endpoints and for complete split transactions. If a -+ * NYET occurs at the same time as a Transfer Complete interrupt, it is -+ * handled in the xfercomp interrupt handler, not here. This handler may be -+ * called in either DMA mode or Slave mode. -+ */ -+static int32_t handle_hc_nyet_intr(dwc_otg_hcd_t *_hcd, -+ dwc_hc_t *_hc, -+ dwc_otg_hc_regs_t *_hc_regs, -+ dwc_otg_qtd_t *_qtd, int *must_free) -+{ -+ DWC_DEBUGPL(DBG_HCD, "--Host Channel %d Interrupt: " -+ "NYET Received--\n", _hc->hc_num); -+ -+ /* -+ * NYET on CSPLIT -+ * re-do the CSPLIT immediately on non-periodic -+ */ -+ if ((_hc->do_split) && (_hc->complete_split)) { -+ if ((_hc->ep_type == DWC_OTG_EP_TYPE_INTR) || -+ (_hc->ep_type == DWC_OTG_EP_TYPE_ISOC)) { -+ int frnum = dwc_otg_hcd_get_frame_number(dwc_otg_hcd_to_hcd(_hcd)); -+ -+ if (dwc_full_frame_num(frnum) != -+ dwc_full_frame_num(_hc->qh->sched_frame)) { -+ /* -+ * No longer in the same full speed frame. -+ * Treat this as a transaction error. -+ */ -+#if 0 -+ /** @todo Fix system performance so this can -+ * be treated as an error. Right now complete -+ * splits cannot be scheduled precisely enough -+ * due to other system activity, so this error -+ * occurs regularly in Slave mode. -+ */ -+ _qtd->error_count++; -+#endif -+ _qtd->complete_split = 0; -+ halt_channel(_hcd, _hc, _qtd, DWC_OTG_HC_XFER_XACT_ERR, must_free); -+ /** @todo add support for isoc release */ -+ goto handle_nyet_done; -+ } -+ } -+ -+ halt_channel(_hcd, _hc, _qtd, DWC_OTG_HC_XFER_NYET, must_free); -+ goto handle_nyet_done; -+ } -+ -+ _hc->qh->ping_state = 1; -+ _qtd->error_count = 0; -+ -+ update_urb_state_xfer_intr(_hc, _hc_regs, _qtd->urb, _qtd, -+ DWC_OTG_HC_XFER_NYET); -+ save_data_toggle(_hc, _hc_regs, _qtd); -+ -+ /* -+ * Halt the channel and re-start the transfer so the PING -+ * protocol will start. -+ */ -+ halt_channel(_hcd, _hc, _qtd, DWC_OTG_HC_XFER_NYET, must_free); -+ -+handle_nyet_done: -+ disable_hc_int(_hc_regs,nyet); -+ clear_hc_int(_hc_regs, nyet); -+ return 1; -+} -+ -+/** -+ * Handles a host channel babble interrupt. This handler may be called in -+ * either DMA mode or Slave mode. -+ */ -+static int32_t handle_hc_babble_intr(dwc_otg_hcd_t *_hcd, -+ dwc_hc_t * _hc, dwc_otg_hc_regs_t * _hc_regs, dwc_otg_qtd_t * _qtd, int *must_free) -+{ -+ DWC_DEBUGPL(DBG_HCD, "--Host Channel %d Interrupt: " -+ "Babble Error--\n", _hc->hc_num); -+ if (_hc->ep_type != DWC_OTG_EP_TYPE_ISOC) { -+ dwc_otg_hcd_complete_urb(_hcd, _qtd->urb, -EOVERFLOW); -+ halt_channel(_hcd, _hc, _qtd, DWC_OTG_HC_XFER_BABBLE_ERR, must_free); -+ } else { -+ dwc_otg_halt_status_e halt_status; -+ halt_status = update_isoc_urb_state(_hcd, _hc, _hc_regs, _qtd, -+ DWC_OTG_HC_XFER_BABBLE_ERR); -+ halt_channel(_hcd, _hc, _qtd, halt_status, must_free); -+ } -+ disable_hc_int(_hc_regs,bblerr); -+ return 1; -+} -+ -+/** -+ * Handles a host channel AHB error interrupt. This handler is only called in -+ * DMA mode. -+ */ -+static int32_t handle_hc_ahberr_intr(dwc_otg_hcd_t *_hcd, -+ dwc_hc_t *_hc, -+ dwc_otg_hc_regs_t *_hc_regs, -+ dwc_otg_qtd_t *_qtd) -+{ -+ hcchar_data_t hcchar; -+ hcsplt_data_t hcsplt; -+ hctsiz_data_t hctsiz; -+ uint32_t hcdma; -+ struct urb *urb = _qtd->urb; -+ -+ DWC_DEBUGPL(DBG_HCD, "--Host Channel %d Interrupt: " -+ "AHB Error--\n", _hc->hc_num); -+ -+ hcchar.d32 = dwc_read_reg32(&_hc_regs->hcchar); -+ hcsplt.d32 = dwc_read_reg32(&_hc_regs->hcsplt); -+ hctsiz.d32 = dwc_read_reg32(&_hc_regs->hctsiz); -+ hcdma = dwc_read_reg32(&_hc_regs->hcdma); -+ -+ DWC_ERROR("AHB ERROR, Channel %d\n", _hc->hc_num); -+ DWC_ERROR(" hcchar 0x%08x, hcsplt 0x%08x\n", hcchar.d32, hcsplt.d32); -+ DWC_ERROR(" hctsiz 0x%08x, hcdma 0x%08x\n", hctsiz.d32, hcdma); -+ DWC_DEBUGPL(DBG_HCD, "DWC OTG HCD URB Enqueue\n"); -+ DWC_ERROR(" Device address: %d\n", usb_pipedevice(urb->pipe)); -+ DWC_ERROR(" Endpoint: %d, %s\n", usb_pipeendpoint(urb->pipe), -+ (usb_pipein(urb->pipe) ? "IN" : "OUT")); -+ DWC_ERROR(" Endpoint type: %s\n", -+ ({char *pipetype; -+ switch (usb_pipetype(urb->pipe)) { -+ case PIPE_CONTROL: pipetype = "CONTROL"; break; -+ case PIPE_BULK: pipetype = "BULK"; break; -+ case PIPE_INTERRUPT: pipetype = "INTERRUPT"; break; -+ case PIPE_ISOCHRONOUS: pipetype = "ISOCHRONOUS"; break; -+ default: pipetype = "UNKNOWN"; break; -+ }; pipetype;})); -+ DWC_ERROR(" Speed: %s\n", -+ ({char *speed; -+ switch (urb->dev->speed) { -+ case USB_SPEED_HIGH: speed = "HIGH"; break; -+ case USB_SPEED_FULL: speed = "FULL"; break; -+ case USB_SPEED_LOW: speed = "LOW"; break; -+ default: speed = "UNKNOWN"; break; -+ }; speed;})); -+ DWC_ERROR(" Max packet size: %d\n", -+ usb_maxpacket(urb->dev, urb->pipe, usb_pipeout(urb->pipe))); -+ DWC_ERROR(" Data buffer length: %d\n", urb->transfer_buffer_length); -+ DWC_ERROR(" Transfer buffer: %p, Transfer DMA: %p\n", -+ urb->transfer_buffer, (void *)(u32)urb->transfer_dma); -+ DWC_ERROR(" Setup buffer: %p, Setup DMA: %p\n", -+ urb->setup_packet, (void *)(u32)urb->setup_dma); -+ DWC_ERROR(" Interval: %d\n", urb->interval); -+ -+ dwc_otg_hcd_complete_urb(_hcd, urb, -EIO); -+ -+ /* -+ * Force a channel halt. Don't call halt_channel because that won't -+ * write to the HCCHARn register in DMA mode to force the halt. -+ */ -+ dwc_otg_hc_halt(_hcd->core_if, _hc, DWC_OTG_HC_XFER_AHB_ERR); -+ -+ disable_hc_int(_hc_regs,ahberr); -+ return 1; -+} -+ -+/** -+ * Handles a host channel transaction error interrupt. This handler may be -+ * called in either DMA mode or Slave mode. -+ */ -+static int32_t handle_hc_xacterr_intr(dwc_otg_hcd_t *_hcd, -+ dwc_hc_t * _hc, dwc_otg_hc_regs_t * _hc_regs, dwc_otg_qtd_t * _qtd, int *must_free) -+{ -+ DWC_DEBUGPL(DBG_HCD, "--Host Channel %d Interrupt: " -+ "Transaction Error--\n", _hc->hc_num); -+ -+ switch (usb_pipetype(_qtd->urb->pipe)) { -+ case PIPE_CONTROL: -+ case PIPE_BULK: -+ _qtd->error_count++; -+ if (!_hc->qh->ping_state) { -+ update_urb_state_xfer_intr(_hc, _hc_regs, _qtd->urb, -+ _qtd, DWC_OTG_HC_XFER_XACT_ERR); -+ save_data_toggle(_hc, _hc_regs, _qtd); -+ if (!_hc->ep_is_in && _qtd->urb->dev->speed == USB_SPEED_HIGH) { -+ _hc->qh->ping_state = 1; -+ } -+ } -+ -+ /* -+ * Halt the channel so the transfer can be re-started from -+ * the appropriate point or the PING protocol will start. -+ */ -+ halt_channel(_hcd, _hc, _qtd, DWC_OTG_HC_XFER_XACT_ERR, must_free); -+ break; -+ case PIPE_INTERRUPT: -+ _qtd->error_count++; -+ if ((_hc->do_split) && (_hc->complete_split)) { -+ _qtd->complete_split = 0; -+ } -+ halt_channel(_hcd, _hc, _qtd, DWC_OTG_HC_XFER_XACT_ERR, must_free); -+ break; -+ case PIPE_ISOCHRONOUS: -+ { -+ dwc_otg_halt_status_e halt_status; -+ halt_status = update_isoc_urb_state(_hcd, _hc, _hc_regs, _qtd, -+ DWC_OTG_HC_XFER_XACT_ERR); -+ -+ halt_channel(_hcd, _hc, _qtd, halt_status, must_free); -+ } -+ break; -+ } -+ -+ -+ disable_hc_int(_hc_regs,xacterr); -+ -+ return 1; -+} -+ -+/** -+ * Handles a host channel frame overrun interrupt. This handler may be called -+ * in either DMA mode or Slave mode. -+ */ -+static int32_t handle_hc_frmovrun_intr(dwc_otg_hcd_t *_hcd, -+ dwc_hc_t * _hc, dwc_otg_hc_regs_t * _hc_regs, dwc_otg_qtd_t * _qtd, int *must_free) -+{ -+ DWC_DEBUGPL(DBG_HCD, "--Host Channel %d Interrupt: " -+ "Frame Overrun--\n", _hc->hc_num); -+ -+ switch (usb_pipetype(_qtd->urb->pipe)) { -+ case PIPE_CONTROL: -+ case PIPE_BULK: -+ break; -+ case PIPE_INTERRUPT: -+ halt_channel(_hcd, _hc, _qtd, DWC_OTG_HC_XFER_FRAME_OVERRUN, must_free); -+ break; -+ case PIPE_ISOCHRONOUS: -+ { -+ dwc_otg_halt_status_e halt_status; -+ halt_status = update_isoc_urb_state(_hcd, _hc, _hc_regs, _qtd, -+ DWC_OTG_HC_XFER_FRAME_OVERRUN); -+ -+ halt_channel(_hcd, _hc, _qtd, halt_status, must_free); -+ } -+ break; -+ } -+ -+ disable_hc_int(_hc_regs,frmovrun); -+ -+ return 1; -+} -+ -+/** -+ * Handles a host channel data toggle error interrupt. This handler may be -+ * called in either DMA mode or Slave mode. -+ */ -+static int32_t handle_hc_datatglerr_intr(dwc_otg_hcd_t *_hcd, -+ dwc_hc_t * _hc, dwc_otg_hc_regs_t * _hc_regs, dwc_otg_qtd_t * _qtd, int *must_free) -+{ -+ DWC_DEBUGPL(DBG_HCD, "--Host Channel %d Interrupt: " -+ "Data Toggle Error--\n", _hc->hc_num); -+ -+ if (_hc->ep_is_in) { -+ _qtd->error_count = 0; -+ } else { -+ DWC_ERROR("Data Toggle Error on OUT transfer," -+ "channel %d\n", _hc->hc_num); -+ } -+ -+ disable_hc_int(_hc_regs,datatglerr); -+ -+ return 1; -+} -+ -+#ifdef DEBUG -+/** -+ * This function is for debug only. It checks that a valid halt status is set -+ * and that HCCHARn.chdis is clear. If there's a problem, corrective action is -+ * taken and a warning is issued. -+ * @return 1 if halt status is ok, 0 otherwise. -+ */ -+static inline int halt_status_ok(dwc_otg_hcd_t *_hcd, -+ dwc_hc_t * _hc, dwc_otg_hc_regs_t * _hc_regs, dwc_otg_qtd_t * _qtd, int *must_free) -+{ -+ hcchar_data_t hcchar; -+ hctsiz_data_t hctsiz; -+ hcint_data_t hcint; -+ hcintmsk_data_t hcintmsk; -+ hcsplt_data_t hcsplt; -+ -+ if (_hc->halt_status == DWC_OTG_HC_XFER_NO_HALT_STATUS) { -+ /* -+ * This code is here only as a check. This condition should -+ * never happen. Ignore the halt if it does occur. -+ */ -+ hcchar.d32 = dwc_read_reg32(&_hc_regs->hcchar); -+ hctsiz.d32 = dwc_read_reg32(&_hc_regs->hctsiz); -+ hcint.d32 = dwc_read_reg32(&_hc_regs->hcint); -+ hcintmsk.d32 = dwc_read_reg32(&_hc_regs->hcintmsk); -+ hcsplt.d32 = dwc_read_reg32(&_hc_regs->hcsplt); -+ DWC_WARN("%s: _hc->halt_status == DWC_OTG_HC_XFER_NO_HALT_STATUS, " -+ "channel %d, hcchar 0x%08x, hctsiz 0x%08x, " -+ "hcint 0x%08x, hcintmsk 0x%08x, " -+ "hcsplt 0x%08x, qtd->complete_split %d\n", -+ __func__, _hc->hc_num, hcchar.d32, hctsiz.d32, -+ hcint.d32, hcintmsk.d32, -+ hcsplt.d32, _qtd->complete_split); -+ -+ DWC_WARN("%s: no halt status, channel %d, ignoring interrupt\n", -+ __func__, _hc->hc_num); -+ DWC_WARN("\n"); -+ clear_hc_int(_hc_regs,chhltd); -+ return 0; -+ } -+ -+ /* -+ * This code is here only as a check. hcchar.chdis should -+ * never be set when the halt interrupt occurs. Halt the -+ * channel again if it does occur. -+ */ -+ hcchar.d32 = dwc_read_reg32(&_hc_regs->hcchar); -+ if (hcchar.b.chdis) { -+ DWC_WARN("%s: hcchar.chdis set unexpectedly, " -+ "hcchar 0x%08x, trying to halt again\n", -+ __func__, hcchar.d32); -+ clear_hc_int(_hc_regs,chhltd); -+ _hc->halt_pending = 0; -+ halt_channel(_hcd, _hc, _qtd, _hc->halt_status, must_free); -+ return 0; -+ } -+ -+ return 1; -+} -+#endif -+ -+/** -+ * Handles a host Channel Halted interrupt in DMA mode. This handler -+ * determines the reason the channel halted and proceeds accordingly. -+ */ -+static void handle_hc_chhltd_intr_dma(dwc_otg_hcd_t *_hcd, -+ dwc_hc_t * _hc, dwc_otg_hc_regs_t * _hc_regs, dwc_otg_qtd_t * _qtd, int *must_free) -+{ -+ hcint_data_t hcint; -+ hcintmsk_data_t hcintmsk; -+ -+ if (_hc->halt_status == DWC_OTG_HC_XFER_URB_DEQUEUE || -+ _hc->halt_status == DWC_OTG_HC_XFER_AHB_ERR) { -+ /* -+ * Just release the channel. A dequeue can happen on a -+ * transfer timeout. In the case of an AHB Error, the channel -+ * was forced to halt because there's no way to gracefully -+ * recover. -+ */ -+ release_channel(_hcd, _hc, _qtd, _hc->halt_status, must_free); -+ return; -+ } -+ -+ /* Read the HCINTn register to determine the cause for the halt. */ -+ hcint.d32 = dwc_read_reg32(&_hc_regs->hcint); -+ hcintmsk.d32 = dwc_read_reg32(&_hc_regs->hcintmsk); -+ -+ if (hcint.b.xfercomp) { -+ /** @todo This is here because of a possible hardware bug. Spec -+ * says that on SPLIT-ISOC OUT transfers in DMA mode that a HALT -+ * interrupt w/ACK bit set should occur, but I only see the -+ * XFERCOMP bit, even with it masked out. This is a workaround -+ * for that behavior. Should fix this when hardware is fixed. -+ */ -+ if ((_hc->ep_type == DWC_OTG_EP_TYPE_ISOC) && (!_hc->ep_is_in)) { -+ handle_hc_ack_intr(_hcd, _hc, _hc_regs, _qtd, must_free); -+ } -+ handle_hc_xfercomp_intr(_hcd, _hc, _hc_regs, _qtd, must_free); -+ } else if (hcint.b.stall) { -+ handle_hc_stall_intr(_hcd, _hc, _hc_regs, _qtd, must_free); -+ } else if (hcint.b.xacterr) { -+ /* -+ * Must handle xacterr before nak or ack. Could get a xacterr -+ * at the same time as either of these on a BULK/CONTROL OUT -+ * that started with a PING. The xacterr takes precedence. -+ */ -+ handle_hc_xacterr_intr(_hcd, _hc, _hc_regs, _qtd, must_free); -+ } else if (hcint.b.nyet) { -+ /* -+ * Must handle nyet before nak or ack. Could get a nyet at the -+ * same time as either of those on a BULK/CONTROL OUT that -+ * started with a PING. The nyet takes precedence. -+ */ -+ handle_hc_nyet_intr(_hcd, _hc, _hc_regs, _qtd, must_free); -+ } else if (hcint.b.bblerr) { -+ handle_hc_babble_intr(_hcd, _hc, _hc_regs, _qtd, must_free); -+ } else if (hcint.b.frmovrun) { -+ handle_hc_frmovrun_intr(_hcd, _hc, _hc_regs, _qtd, must_free); -+ } else if (hcint.b.datatglerr) { -+ handle_hc_datatglerr_intr(_hcd, _hc, _hc_regs, _qtd, must_free); -+ _hc->qh->data_toggle = 0; -+ halt_channel(_hcd, _hc, _qtd, _hc->halt_status, must_free); -+ } else if (hcint.b.nak && !hcintmsk.b.nak) { -+ /* -+ * If nak is not masked, it's because a non-split IN transfer -+ * is in an error state. In that case, the nak is handled by -+ * the nak interrupt handler, not here. Handle nak here for -+ * BULK/CONTROL OUT transfers, which halt on a NAK to allow -+ * rewinding the buffer pointer. -+ */ -+ handle_hc_nak_intr(_hcd, _hc, _hc_regs, _qtd, must_free); -+ } else if (hcint.b.ack && !hcintmsk.b.ack) { -+ /* -+ * If ack is not masked, it's because a non-split IN transfer -+ * is in an error state. In that case, the ack is handled by -+ * the ack interrupt handler, not here. Handle ack here for -+ * split transfers. Start splits halt on ACK. -+ */ -+ handle_hc_ack_intr(_hcd, _hc, _hc_regs, _qtd, must_free); -+ } else { -+ if (_hc->ep_type == DWC_OTG_EP_TYPE_INTR || -+ _hc->ep_type == DWC_OTG_EP_TYPE_ISOC) { -+ /* -+ * A periodic transfer halted with no other channel -+ * interrupts set. Assume it was halted by the core -+ * because it could not be completed in its scheduled -+ * (micro)frame. -+ */ -+#ifdef DEBUG -+ DWC_PRINT("%s: Halt channel %d (assume incomplete periodic transfer)\n", -+ __func__, _hc->hc_num); -+#endif /* */ -+ halt_channel(_hcd, _hc, _qtd, -+ DWC_OTG_HC_XFER_PERIODIC_INCOMPLETE, must_free); -+ } else { -+#ifdef DEBUG -+ DWC_ERROR("%s: Channel %d, DMA Mode -- ChHltd set, but reason " -+ "for halting is unknown, nyet %d, hcint 0x%08x, intsts 0x%08x\n", -+ __func__, _hc->hc_num, hcint.b.nyet, hcint.d32, -+ dwc_read_reg32(&_hcd->core_if->core_global_regs->gintsts)); -+#endif -+ halt_channel(_hcd, _hc, _qtd, _hc->halt_status, must_free); -+ } -+ } -+} -+ -+/** -+ * Handles a host channel Channel Halted interrupt. -+ * -+ * In slave mode, this handler is called only when the driver specifically -+ * requests a halt. This occurs during handling other host channel interrupts -+ * (e.g. nak, xacterr, stall, nyet, etc.). -+ * -+ * In DMA mode, this is the interrupt that occurs when the core has finished -+ * processing a transfer on a channel. Other host channel interrupts (except -+ * ahberr) are disabled in DMA mode. -+ */ -+static int32_t handle_hc_chhltd_intr(dwc_otg_hcd_t *_hcd, -+ dwc_hc_t * _hc, dwc_otg_hc_regs_t * _hc_regs, dwc_otg_qtd_t * _qtd, int *must_free) -+{ -+ DWC_DEBUGPL(DBG_HCD, "--Host Channel %d Interrupt: " -+ "Channel Halted--\n", _hc->hc_num); -+ -+ if (_hcd->core_if->dma_enable) { -+ handle_hc_chhltd_intr_dma(_hcd, _hc, _hc_regs, _qtd, must_free); -+ } else { -+#ifdef DEBUG -+ if (!halt_status_ok(_hcd, _hc, _hc_regs, _qtd, must_free)) { -+ return 1; -+ } -+#endif /* */ -+ release_channel(_hcd, _hc, _qtd, _hc->halt_status, must_free); -+ } -+ -+ return 1; -+} -+ -+/** Handles interrupt for a specific Host Channel */ -+int32_t dwc_otg_hcd_handle_hc_n_intr (dwc_otg_hcd_t *_dwc_otg_hcd, uint32_t _num) -+{ -+ int must_free = 0; -+ int retval = 0; -+ hcint_data_t hcint; -+ hcintmsk_data_t hcintmsk; -+ dwc_hc_t *hc; -+ dwc_otg_hc_regs_t *hc_regs; -+ dwc_otg_qtd_t *qtd; -+ -+ DWC_DEBUGPL(DBG_HCDV, "--Host Channel Interrupt--, Channel %d\n", _num); -+ -+ hc = _dwc_otg_hcd->hc_ptr_array[_num]; -+ hc_regs = _dwc_otg_hcd->core_if->host_if->hc_regs[_num]; -+ qtd = list_entry(hc->qh->qtd_list.next, dwc_otg_qtd_t, qtd_list_entry); -+ -+ hcint.d32 = dwc_read_reg32(&hc_regs->hcint); -+ hcintmsk.d32 = dwc_read_reg32(&hc_regs->hcintmsk); -+ DWC_DEBUGPL(DBG_HCDV, " hcint 0x%08x, hcintmsk 0x%08x, hcint&hcintmsk 0x%08x\n", -+ hcint.d32, hcintmsk.d32, (hcint.d32 & hcintmsk.d32)); -+ hcint.d32 = hcint.d32 & hcintmsk.d32; -+ -+ if (!_dwc_otg_hcd->core_if->dma_enable) { -+ if ((hcint.b.chhltd) && (hcint.d32 != 0x2)) { -+ hcint.b.chhltd = 0; -+ } -+ } -+ -+ if (hcint.b.xfercomp) { -+ retval |= handle_hc_xfercomp_intr(_dwc_otg_hcd, hc, hc_regs, qtd, &must_free); -+ /* -+ * If NYET occurred at same time as Xfer Complete, the NYET is -+ * handled by the Xfer Complete interrupt handler. Don't want -+ * to call the NYET interrupt handler in this case. -+ */ -+ hcint.b.nyet = 0; -+ } -+ if (hcint.b.chhltd) { -+ retval |= handle_hc_chhltd_intr(_dwc_otg_hcd, hc, hc_regs, qtd, &must_free); -+ } -+ if (hcint.b.ahberr) { -+ retval |= handle_hc_ahberr_intr(_dwc_otg_hcd, hc, hc_regs, qtd); -+ } -+ if (hcint.b.stall) { -+ retval |= handle_hc_stall_intr(_dwc_otg_hcd, hc, hc_regs, qtd, &must_free); -+ } -+ if (hcint.b.nak) { -+ retval |= handle_hc_nak_intr(_dwc_otg_hcd, hc, hc_regs, qtd, &must_free); -+ } -+ if (hcint.b.ack) { -+ retval |= handle_hc_ack_intr(_dwc_otg_hcd, hc, hc_regs, qtd, &must_free); -+ } -+ if (hcint.b.nyet) { -+ retval |= handle_hc_nyet_intr(_dwc_otg_hcd, hc, hc_regs, qtd, &must_free); -+ } -+ if (hcint.b.xacterr) { -+ retval |= handle_hc_xacterr_intr(_dwc_otg_hcd, hc, hc_regs, qtd, &must_free); -+ } -+ if (hcint.b.bblerr) { -+ retval |= handle_hc_babble_intr(_dwc_otg_hcd, hc, hc_regs, qtd, &must_free); -+ } -+ if (hcint.b.frmovrun) { -+ retval |= handle_hc_frmovrun_intr(_dwc_otg_hcd, hc, hc_regs, qtd, &must_free); -+ } -+ if (hcint.b.datatglerr) { -+ retval |= handle_hc_datatglerr_intr(_dwc_otg_hcd, hc, hc_regs, qtd, &must_free); -+ } -+ -+ /* -+ * Logic to free the qtd here, at the end of the hc intr -+ * processing, if the handling of this interrupt determined -+ * that it needs to be freed. -+ */ -+ if (must_free) { -+ /* Free the qtd here now that we are done using it. */ -+ dwc_otg_hcd_qtd_free(qtd); -+ } -+ return retval; -+} -+ -+#endif /* DWC_DEVICE_ONLY */ ---- /dev/null -+++ b/drivers/usb/dwc_otg/dwc_otg_hcd_queue.c -@@ -0,0 +1,794 @@ -+/* ========================================================================== -+ * $File: //dwh/usb_iip/dev/software/otg_ipmate/linux/drivers/dwc_otg_hcd_queue.c $ -+ * $Revision: 1.1.1.1 $ -+ * $Date: 2009-04-17 06:15:34 $ -+ * $Change: 537387 $ -+ * -+ * Synopsys HS OTG Linux Software Driver and documentation (hereinafter, -+ * "Software") is an Unsupported proprietary work of Synopsys, Inc. unless -+ * otherwise expressly agreed to in writing between Synopsys and you. -+ * -+ * The Software IS NOT an item of Licensed Software or Licensed Product under -+ * any End User Software License Agreement or Agreement for Licensed Product -+ * with Synopsys or any supplement thereto. You are permitted to use and -+ * redistribute this Software in source and binary forms, with or without -+ * modification, provided that redistributions of source code must retain this -+ * notice. You may not view, use, disclose, copy or distribute this file or -+ * any information contained herein except pursuant to this license grant from -+ * Synopsys. If you do not agree with this notice, including the disclaimer -+ * below, then you are not authorized to use the Software. -+ * -+ * THIS SOFTWARE IS BEING DISTRIBUTED BY SYNOPSYS SOLELY ON AN "AS IS" BASIS -+ * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE -+ * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE -+ * ARE HEREBY DISCLAIMED. IN NO EVENT SHALL SYNOPSYS BE LIABLE FOR ANY DIRECT, -+ * INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES -+ * (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR -+ * SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER -+ * CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT -+ * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY -+ * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH -+ * DAMAGE. -+ * ========================================================================== */ -+#ifndef DWC_DEVICE_ONLY -+ -+/** -+ * @file -+ * -+ * This file contains the functions to manage Queue Heads and Queue -+ * Transfer Descriptors. -+ */ -+#include <linux/kernel.h> -+#include <linux/module.h> -+#include <linux/moduleparam.h> -+#include <linux/init.h> -+#include <linux/device.h> -+#include <linux/errno.h> -+#include <linux/list.h> -+#include <linux/interrupt.h> -+#include <linux/string.h> -+ -+#include "dwc_otg_driver.h" -+#include "dwc_otg_hcd.h" -+#include "dwc_otg_regs.h" -+ -+/** -+ * This function allocates and initializes a QH. -+ * -+ * @param _hcd The HCD state structure for the DWC OTG controller. -+ * @param[in] _urb Holds the information about the device/endpoint that we need -+ * to initialize the QH. -+ * -+ * @return Returns pointer to the newly allocated QH, or NULL on error. */ -+dwc_otg_qh_t *dwc_otg_hcd_qh_create (dwc_otg_hcd_t *_hcd, struct urb *_urb) -+{ -+ dwc_otg_qh_t *qh; -+ -+ /* Allocate memory */ -+ /** @todo add memflags argument */ -+ qh = dwc_otg_hcd_qh_alloc (); -+ if (qh == NULL) { -+ return NULL; -+ } -+ -+ dwc_otg_hcd_qh_init (_hcd, qh, _urb); -+ return qh; -+} -+ -+/** Free each QTD in the QH's QTD-list then free the QH. QH should already be -+ * removed from a list. QTD list should already be empty if called from URB -+ * Dequeue. -+ * -+ * @param[in] _qh The QH to free. -+ */ -+void dwc_otg_hcd_qh_free (dwc_otg_qh_t *_qh) -+{ -+ dwc_otg_qtd_t *qtd; -+ struct list_head *pos; -+ unsigned long flags; -+ -+ /* Free each QTD in the QTD list */ -+ local_irq_save (flags); -+ for (pos = _qh->qtd_list.next; -+ pos != &_qh->qtd_list; -+ pos = _qh->qtd_list.next) -+ { -+ list_del (pos); -+ qtd = dwc_list_to_qtd (pos); -+ dwc_otg_hcd_qtd_free (qtd); -+ } -+ local_irq_restore (flags); -+ -+ kfree (_qh); -+ return; -+} -+ -+/** Initializes a QH structure. -+ * -+ * @param[in] _hcd The HCD state structure for the DWC OTG controller. -+ * @param[in] _qh The QH to init. -+ * @param[in] _urb Holds the information about the device/endpoint that we need -+ * to initialize the QH. */ -+#define SCHEDULE_SLOP 10 -+void dwc_otg_hcd_qh_init(dwc_otg_hcd_t *_hcd, dwc_otg_qh_t *_qh, struct urb *_urb) -+{ -+ memset (_qh, 0, sizeof (dwc_otg_qh_t)); -+ -+ /* Initialize QH */ -+ switch (usb_pipetype(_urb->pipe)) { -+ case PIPE_CONTROL: -+ _qh->ep_type = USB_ENDPOINT_XFER_CONTROL; -+ break; -+ case PIPE_BULK: -+ _qh->ep_type = USB_ENDPOINT_XFER_BULK; -+ break; -+ case PIPE_ISOCHRONOUS: -+ _qh->ep_type = USB_ENDPOINT_XFER_ISOC; -+ break; -+ case PIPE_INTERRUPT: -+ _qh->ep_type = USB_ENDPOINT_XFER_INT; -+ break; -+ } -+ -+ _qh->ep_is_in = usb_pipein(_urb->pipe) ? 1 : 0; -+ -+ _qh->data_toggle = DWC_OTG_HC_PID_DATA0; -+ _qh->maxp = usb_maxpacket(_urb->dev, _urb->pipe, !(usb_pipein(_urb->pipe))); -+ INIT_LIST_HEAD(&_qh->qtd_list); -+ INIT_LIST_HEAD(&_qh->qh_list_entry); -+ _qh->channel = NULL; -+ -+ /* FS/LS Enpoint on HS Hub -+ * NOT virtual root hub */ -+ _qh->do_split = 0; -+ _qh->speed = _urb->dev->speed; -+ if (((_urb->dev->speed == USB_SPEED_LOW) || -+ (_urb->dev->speed == USB_SPEED_FULL)) && -+ (_urb->dev->tt) && (_urb->dev->tt->hub) && (_urb->dev->tt->hub->devnum != 1)) { -+ DWC_DEBUGPL(DBG_HCD, "QH init: EP %d: TT found at hub addr %d, for port %d\n", -+ usb_pipeendpoint(_urb->pipe), _urb->dev->tt->hub->devnum, -+ _urb->dev->ttport); -+ _qh->do_split = 1; -+ } -+ -+ if (_qh->ep_type == USB_ENDPOINT_XFER_INT || -+ _qh->ep_type == USB_ENDPOINT_XFER_ISOC) { -+ /* Compute scheduling parameters once and save them. */ -+ hprt0_data_t hprt; -+ -+ /** @todo Account for split transfers in the bus time. */ -+ int bytecount = dwc_hb_mult(_qh->maxp) * dwc_max_packet(_qh->maxp); -+ _qh->usecs = NS_TO_US(usb_calc_bus_time(_urb->dev->speed, -+ usb_pipein(_urb->pipe), -+ (_qh->ep_type == USB_ENDPOINT_XFER_ISOC),bytecount)); -+ -+ /* Start in a slightly future (micro)frame. */ -+ _qh->sched_frame = dwc_frame_num_inc(_hcd->frame_number, SCHEDULE_SLOP); -+ _qh->interval = _urb->interval; -+#if 0 -+ /* Increase interrupt polling rate for debugging. */ -+ if (_qh->ep_type == USB_ENDPOINT_XFER_INT) { -+ _qh->interval = 8; -+ } -+#endif -+ hprt.d32 = dwc_read_reg32(_hcd->core_if->host_if->hprt0); -+ if ((hprt.b.prtspd == DWC_HPRT0_PRTSPD_HIGH_SPEED) && -+ ((_urb->dev->speed == USB_SPEED_LOW) || -+ (_urb->dev->speed == USB_SPEED_FULL))) -+ { -+ _qh->interval *= 8; -+ _qh->sched_frame |= 0x7; -+ _qh->start_split_frame = _qh->sched_frame; -+ } -+ } -+ -+ DWC_DEBUGPL(DBG_HCD, "DWC OTG HCD QH Initialized\n"); -+ DWC_DEBUGPL(DBG_HCDV, "DWC OTG HCD QH - qh = %p\n", _qh); -+ DWC_DEBUGPL(DBG_HCDV, "DWC OTG HCD QH - Device Address = %d\n", -+ _urb->dev->devnum); -+ DWC_DEBUGPL(DBG_HCDV, "DWC OTG HCD QH - Endpoint %d, %s\n", -+ usb_pipeendpoint(_urb->pipe), -+ usb_pipein(_urb->pipe) == USB_DIR_IN ? "IN" : "OUT"); -+ DWC_DEBUGPL(DBG_HCDV, "DWC OTG HCD QH - Speed = %s\n", -+ ({ char *speed; switch (_urb->dev->speed) { -+ case USB_SPEED_LOW: speed = "low"; break; -+ case USB_SPEED_FULL: speed = "full"; break; -+ case USB_SPEED_HIGH: speed = "high"; break; -+ default: speed = "?"; break; -+ }; speed;})); -+ DWC_DEBUGPL(DBG_HCDV, "DWC OTG HCD QH - Type = %s\n", -+ ({ char *type; switch (_qh->ep_type) { -+ case USB_ENDPOINT_XFER_ISOC: type = "isochronous"; break; -+ case USB_ENDPOINT_XFER_INT: type = "interrupt"; break; -+ case USB_ENDPOINT_XFER_CONTROL: type = "control"; break; -+ case USB_ENDPOINT_XFER_BULK: type = "bulk"; break; -+ default: type = "?"; break; -+ }; type;})); -+#ifdef DEBUG -+ if (_qh->ep_type == USB_ENDPOINT_XFER_INT) { -+ DWC_DEBUGPL(DBG_HCDV, "DWC OTG HCD QH - usecs = %d\n", -+ _qh->usecs); -+ DWC_DEBUGPL(DBG_HCDV, "DWC OTG HCD QH - interval = %d\n", -+ _qh->interval); -+ } -+#endif -+ -+ return; -+} -+ -+/** -+ * Microframe scheduler -+ * track the total use in hcd->frame_usecs -+ * keep each qh use in qh->frame_usecs -+ * when surrendering the qh then donate the time back -+ */ -+const unsigned short max_uframe_usecs[]={ 100, 100, 100, 100, 100, 100, 30, 0 }; -+ -+/* -+ * called from dwc_otg_hcd.c:dwc_otg_hcd_init -+ */ -+int init_hcd_usecs(dwc_otg_hcd_t *_hcd) -+{ -+ int i; -+ for (i=0; i<8; i++) { -+ _hcd->frame_usecs[i] = max_uframe_usecs[i]; -+ } -+ return 0; -+} -+ -+static int find_single_uframe(dwc_otg_hcd_t * _hcd, dwc_otg_qh_t * _qh) -+{ -+ int i; -+ unsigned short utime; -+ int t_left; -+ int ret; -+ int done; -+ -+ ret = -1; -+ utime = _qh->usecs; -+ t_left = utime; -+ i = 0; -+ done = 0; -+ while (done == 0) { -+ /* At the start _hcd->frame_usecs[i] = max_uframe_usecs[i]; */ -+ if (utime <= _hcd->frame_usecs[i]) { -+ _hcd->frame_usecs[i] -= utime; -+ _qh->frame_usecs[i] += utime; -+ t_left -= utime; -+ ret = i; -+ done = 1; -+ return ret; -+ } else { -+ i++; -+ if (i == 8) { -+ done = 1; -+ ret = -1; -+ } -+ } -+ } -+ return ret; -+} -+ -+/* -+ * use this for FS apps that can span multiple uframes -+ */ -+static int find_multi_uframe(dwc_otg_hcd_t * _hcd, dwc_otg_qh_t * _qh) -+{ -+ int i; -+ int j; -+ unsigned short utime; -+ int t_left; -+ int ret; -+ int done; -+ unsigned short xtime; -+ -+ ret = -1; -+ utime = _qh->usecs; -+ t_left = utime; -+ i = 0; -+ done = 0; -+loop: -+ while (done == 0) { -+ if(_hcd->frame_usecs[i] <= 0) { -+ i++; -+ if (i == 8) { -+ done = 1; -+ ret = -1; -+ } -+ goto loop; -+ } -+ -+ /* -+ * we need n consequtive slots -+ * so use j as a start slot j plus j+1 must be enough time (for now) -+ */ -+ xtime= _hcd->frame_usecs[i]; -+ for (j = i+1 ; j < 8 ; j++ ) { -+ /* -+ * if we add this frame remaining time to xtime we may -+ * be OK, if not we need to test j for a complete frame -+ */ -+ if ((xtime+_hcd->frame_usecs[j]) < utime) { -+ if (_hcd->frame_usecs[j] < max_uframe_usecs[j]) { -+ j = 8; -+ ret = -1; -+ continue; -+ } -+ } -+ if (xtime >= utime) { -+ ret = i; -+ j = 8; /* stop loop with a good value ret */ -+ continue; -+ } -+ /* add the frame time to x time */ -+ xtime += _hcd->frame_usecs[j]; -+ /* we must have a fully available next frame or break */ -+ if ((xtime < utime) -+ && (_hcd->frame_usecs[j] == max_uframe_usecs[j])) { -+ ret = -1; -+ j = 8; /* stop loop with a bad value ret */ -+ continue; -+ } -+ } -+ if (ret >= 0) { -+ t_left = utime; -+ for (j = i; (t_left>0) && (j < 8); j++ ) { -+ t_left -= _hcd->frame_usecs[j]; -+ if ( t_left <= 0 ) { -+ _qh->frame_usecs[j] += _hcd->frame_usecs[j] + t_left; -+ _hcd->frame_usecs[j]= -t_left; -+ ret = i; -+ done = 1; -+ } else { -+ _qh->frame_usecs[j] += _hcd->frame_usecs[j]; -+ _hcd->frame_usecs[j] = 0; -+ } -+ } -+ } else { -+ i++; -+ if (i == 8) { -+ done = 1; -+ ret = -1; -+ } -+ } -+ } -+ return ret; -+} -+ -+static int find_uframe(dwc_otg_hcd_t * _hcd, dwc_otg_qh_t * _qh) -+{ -+ int ret; -+ ret = -1; -+ -+ if (_qh->speed == USB_SPEED_HIGH) { -+ /* if this is a hs transaction we need a full frame */ -+ ret = find_single_uframe(_hcd, _qh); -+ } else { -+ /* if this is a fs transaction we may need a sequence of frames */ -+ ret = find_multi_uframe(_hcd, _qh); -+ } -+ return ret; -+} -+ -+/** -+ * Checks that the max transfer size allowed in a host channel is large enough -+ * to handle the maximum data transfer in a single (micro)frame for a periodic -+ * transfer. -+ * -+ * @param _hcd The HCD state structure for the DWC OTG controller. -+ * @param _qh QH for a periodic endpoint. -+ * -+ * @return 0 if successful, negative error code otherwise. -+ */ -+static int check_max_xfer_size(dwc_otg_hcd_t *_hcd, dwc_otg_qh_t *_qh) -+{ -+ int status; -+ uint32_t max_xfer_size; -+ uint32_t max_channel_xfer_size; -+ -+ status = 0; -+ -+ max_xfer_size = dwc_max_packet(_qh->maxp) * dwc_hb_mult(_qh->maxp); -+ max_channel_xfer_size = _hcd->core_if->core_params->max_transfer_size; -+ -+ if (max_xfer_size > max_channel_xfer_size) { -+ DWC_NOTICE("%s: Periodic xfer length %d > " -+ "max xfer length for channel %d\n", -+ __func__, max_xfer_size, max_channel_xfer_size); -+ status = -ENOSPC; -+ } -+ -+ return status; -+} -+ -+/** -+ * Schedules an interrupt or isochronous transfer in the periodic schedule. -+ * -+ * @param _hcd The HCD state structure for the DWC OTG controller. -+ * @param _qh QH for the periodic transfer. The QH should already contain the -+ * scheduling information. -+ * -+ * @return 0 if successful, negative error code otherwise. -+ */ -+static int schedule_periodic(dwc_otg_hcd_t *_hcd, dwc_otg_qh_t *_qh) -+{ -+ int status = 0; -+ -+ int frame; -+ status = find_uframe(_hcd, _qh); -+ frame = -1; -+ if (status == 0) { -+ frame = 7; -+ } else { -+ if (status > 0 ) -+ frame = status-1; -+ } -+ -+ /* Set the new frame up */ -+ if (frame > -1) { -+ _qh->sched_frame &= ~0x7; -+ _qh->sched_frame |= (frame & 7); -+ } -+ -+ if (status != -1 ) -+ status = 0; -+ if (status) { -+ DWC_NOTICE("%s: Insufficient periodic bandwidth for " -+ "periodic transfer.\n", __func__); -+ return status; -+ } -+ -+ status = check_max_xfer_size(_hcd, _qh); -+ if (status) { -+ DWC_NOTICE("%s: Channel max transfer size too small " -+ "for periodic transfer.\n", __func__); -+ return status; -+ } -+ -+ /* Always start in the inactive schedule. */ -+ list_add_tail(&_qh->qh_list_entry, &_hcd->periodic_sched_inactive); -+ -+ -+ /* Update claimed usecs per (micro)frame. */ -+ _hcd->periodic_usecs += _qh->usecs; -+ -+ /* Update average periodic bandwidth claimed and # periodic reqs for usbfs. */ -+ hcd_to_bus(dwc_otg_hcd_to_hcd(_hcd))->bandwidth_allocated += _qh->usecs / _qh->interval; -+ if (_qh->ep_type == USB_ENDPOINT_XFER_INT) { -+ hcd_to_bus(dwc_otg_hcd_to_hcd(_hcd))->bandwidth_int_reqs++; -+ DWC_DEBUGPL(DBG_HCD, "Scheduled intr: qh %p, usecs %d, period %d\n", -+ _qh, _qh->usecs, _qh->interval); -+ } else { -+ hcd_to_bus(dwc_otg_hcd_to_hcd(_hcd))->bandwidth_isoc_reqs++; -+ DWC_DEBUGPL(DBG_HCD, "Scheduled isoc: qh %p, usecs %d, period %d\n", -+ _qh, _qh->usecs, _qh->interval); -+ } -+ -+ return status; -+} -+ -+/** -+ * This function adds a QH to either the non periodic or periodic schedule if -+ * it is not already in the schedule. If the QH is already in the schedule, no -+ * action is taken. -+ * -+ * @return 0 if successful, negative error code otherwise. -+ */ -+int dwc_otg_hcd_qh_add (dwc_otg_hcd_t *_hcd, dwc_otg_qh_t *_qh) -+{ -+ unsigned long flags; -+ int status = 0; -+ -+ local_irq_save(flags); -+ -+ if (!list_empty(&_qh->qh_list_entry)) { -+ /* QH already in a schedule. */ -+ goto done; -+ } -+ -+ /* Add the new QH to the appropriate schedule */ -+ if (dwc_qh_is_non_per(_qh)) { -+ /* Always start in the inactive schedule. */ -+ list_add_tail(&_qh->qh_list_entry, &_hcd->non_periodic_sched_inactive); -+ } else { -+ status = schedule_periodic(_hcd, _qh); -+ } -+ -+ done: -+ local_irq_restore(flags); -+ -+ return status; -+} -+ -+/** -+ * This function adds a QH to the non periodic deferred schedule. -+ * -+ * @return 0 if successful, negative error code otherwise. -+ */ -+int dwc_otg_hcd_qh_add_deferred(dwc_otg_hcd_t * _hcd, dwc_otg_qh_t * _qh) -+{ -+ unsigned long flags; -+ local_irq_save(flags); -+ if (!list_empty(&_qh->qh_list_entry)) { -+ /* QH already in a schedule. */ -+ goto done; -+ } -+ -+ /* Add the new QH to the non periodic deferred schedule */ -+ if (dwc_qh_is_non_per(_qh)) { -+ list_add_tail(&_qh->qh_list_entry, -+ &_hcd->non_periodic_sched_deferred); -+ } -+done: -+ local_irq_restore(flags); -+ return 0; -+} -+ -+/** -+ * Removes an interrupt or isochronous transfer from the periodic schedule. -+ * -+ * @param _hcd The HCD state structure for the DWC OTG controller. -+ * @param _qh QH for the periodic transfer. -+ */ -+static void deschedule_periodic(dwc_otg_hcd_t *_hcd, dwc_otg_qh_t *_qh) -+{ -+ int i; -+ list_del_init(&_qh->qh_list_entry); -+ -+ -+ /* Update claimed usecs per (micro)frame. */ -+ _hcd->periodic_usecs -= _qh->usecs; -+ -+ for (i = 0; i < 8; i++) { -+ _hcd->frame_usecs[i] += _qh->frame_usecs[i]; -+ _qh->frame_usecs[i] = 0; -+ } -+ /* Update average periodic bandwidth claimed and # periodic reqs for usbfs. */ -+ hcd_to_bus(dwc_otg_hcd_to_hcd(_hcd))->bandwidth_allocated -= _qh->usecs / _qh->interval; -+ -+ if (_qh->ep_type == USB_ENDPOINT_XFER_INT) { -+ hcd_to_bus(dwc_otg_hcd_to_hcd(_hcd))->bandwidth_int_reqs--; -+ DWC_DEBUGPL(DBG_HCD, "Descheduled intr: qh %p, usecs %d, period %d\n", -+ _qh, _qh->usecs, _qh->interval); -+ } else { -+ hcd_to_bus(dwc_otg_hcd_to_hcd(_hcd))->bandwidth_isoc_reqs--; -+ DWC_DEBUGPL(DBG_HCD, "Descheduled isoc: qh %p, usecs %d, period %d\n", -+ _qh, _qh->usecs, _qh->interval); -+ } -+} -+ -+/** -+ * Removes a QH from either the non-periodic or periodic schedule. Memory is -+ * not freed. -+ * -+ * @param[in] _hcd The HCD state structure. -+ * @param[in] _qh QH to remove from schedule. */ -+void dwc_otg_hcd_qh_remove (dwc_otg_hcd_t *_hcd, dwc_otg_qh_t *_qh) -+{ -+ unsigned long flags; -+ -+ local_irq_save(flags); -+ -+ if (list_empty(&_qh->qh_list_entry)) { -+ /* QH is not in a schedule. */ -+ goto done; -+ } -+ -+ if (dwc_qh_is_non_per(_qh)) { -+ if (_hcd->non_periodic_qh_ptr == &_qh->qh_list_entry) { -+ _hcd->non_periodic_qh_ptr = _hcd->non_periodic_qh_ptr->next; -+ } -+ list_del_init(&_qh->qh_list_entry); -+ } else { -+ deschedule_periodic(_hcd, _qh); -+ } -+ -+ done: -+ local_irq_restore(flags); -+} -+ -+/** -+ * Defers a QH. For non-periodic QHs, removes the QH from the active -+ * non-periodic schedule. The QH is added to the deferred non-periodic -+ * schedule if any QTDs are still attached to the QH. -+ */ -+int dwc_otg_hcd_qh_deferr(dwc_otg_hcd_t * _hcd, dwc_otg_qh_t * _qh, int delay) -+{ -+ int deact = 1; -+ unsigned long flags; -+ local_irq_save(flags); -+ if (dwc_qh_is_non_per(_qh)) { -+ _qh->sched_frame = -+ dwc_frame_num_inc(_hcd->frame_number, -+ delay); -+ _qh->channel = NULL; -+ _qh->qtd_in_process = NULL; -+ deact = 0; -+ dwc_otg_hcd_qh_remove(_hcd, _qh); -+ if (!list_empty(&_qh->qtd_list)) { -+ /* Add back to deferred non-periodic schedule. */ -+ dwc_otg_hcd_qh_add_deferred(_hcd, _qh); -+ } -+ } -+ local_irq_restore(flags); -+ return deact; -+} -+ -+/** -+ * Deactivates a QH. For non-periodic QHs, removes the QH from the active -+ * non-periodic schedule. The QH is added to the inactive non-periodic -+ * schedule if any QTDs are still attached to the QH. -+ * -+ * For periodic QHs, the QH is removed from the periodic queued schedule. If -+ * there are any QTDs still attached to the QH, the QH is added to either the -+ * periodic inactive schedule or the periodic ready schedule and its next -+ * scheduled frame is calculated. The QH is placed in the ready schedule if -+ * the scheduled frame has been reached already. Otherwise it's placed in the -+ * inactive schedule. If there are no QTDs attached to the QH, the QH is -+ * completely removed from the periodic schedule. -+ */ -+void dwc_otg_hcd_qh_deactivate(dwc_otg_hcd_t *_hcd, dwc_otg_qh_t *_qh, int sched_next_periodic_split) -+{ -+ unsigned long flags; -+ local_irq_save(flags); -+ -+ if (dwc_qh_is_non_per(_qh)) { -+ dwc_otg_hcd_qh_remove(_hcd, _qh); -+ if (!list_empty(&_qh->qtd_list)) { -+ /* Add back to inactive non-periodic schedule. */ -+ dwc_otg_hcd_qh_add(_hcd, _qh); -+ } -+ } else { -+ uint16_t frame_number = dwc_otg_hcd_get_frame_number(dwc_otg_hcd_to_hcd(_hcd)); -+ -+ if (_qh->do_split) { -+ /* Schedule the next continuing periodic split transfer */ -+ if (sched_next_periodic_split) { -+ -+ _qh->sched_frame = frame_number; -+ if (dwc_frame_num_le(frame_number, -+ dwc_frame_num_inc(_qh->start_split_frame, 1))) { -+ /* -+ * Allow one frame to elapse after start -+ * split microframe before scheduling -+ * complete split, but DONT if we are -+ * doing the next start split in the -+ * same frame for an ISOC out. -+ */ -+ if ((_qh->ep_type != USB_ENDPOINT_XFER_ISOC) || (_qh->ep_is_in != 0)) { -+ _qh->sched_frame = dwc_frame_num_inc(_qh->sched_frame, 1); -+ } -+ } -+ } else { -+ _qh->sched_frame = dwc_frame_num_inc(_qh->start_split_frame, -+ _qh->interval); -+ if (dwc_frame_num_le(_qh->sched_frame, frame_number)) { -+ _qh->sched_frame = frame_number; -+ } -+ _qh->sched_frame |= 0x7; -+ _qh->start_split_frame = _qh->sched_frame; -+ } -+ } else { -+ _qh->sched_frame = dwc_frame_num_inc(_qh->sched_frame, _qh->interval); -+ if (dwc_frame_num_le(_qh->sched_frame, frame_number)) { -+ _qh->sched_frame = frame_number; -+ } -+ } -+ -+ if (list_empty(&_qh->qtd_list)) { -+ dwc_otg_hcd_qh_remove(_hcd, _qh); -+ } else { -+ /* -+ * Remove from periodic_sched_queued and move to -+ * appropriate queue. -+ */ -+ if (dwc_frame_num_le(_qh->sched_frame, frame_number)) { -+ list_move(&_qh->qh_list_entry, -+ &_hcd->periodic_sched_ready); -+ } else { -+ list_move(&_qh->qh_list_entry, -+ &_hcd->periodic_sched_inactive); -+ } -+ } -+ } -+ -+ local_irq_restore(flags); -+} -+ -+/** -+ * This function allocates and initializes a QTD. -+ * -+ * @param[in] _urb The URB to create a QTD from. Each URB-QTD pair will end up -+ * pointing to each other so each pair should have a unique correlation. -+ * -+ * @return Returns pointer to the newly allocated QTD, or NULL on error. */ -+dwc_otg_qtd_t *dwc_otg_hcd_qtd_create (struct urb *_urb) -+{ -+ dwc_otg_qtd_t *qtd; -+ -+ qtd = dwc_otg_hcd_qtd_alloc (); -+ if (qtd == NULL) { -+ return NULL; -+ } -+ -+ dwc_otg_hcd_qtd_init (qtd, _urb); -+ return qtd; -+} -+ -+/** -+ * Initializes a QTD structure. -+ * -+ * @param[in] _qtd The QTD to initialize. -+ * @param[in] _urb The URB to use for initialization. */ -+void dwc_otg_hcd_qtd_init (dwc_otg_qtd_t *_qtd, struct urb *_urb) -+{ -+ memset (_qtd, 0, sizeof (dwc_otg_qtd_t)); -+ _qtd->urb = _urb; -+ if (usb_pipecontrol(_urb->pipe)) { -+ /* -+ * The only time the QTD data toggle is used is on the data -+ * phase of control transfers. This phase always starts with -+ * DATA1. -+ */ -+ _qtd->data_toggle = DWC_OTG_HC_PID_DATA1; -+ _qtd->control_phase = DWC_OTG_CONTROL_SETUP; -+ } -+ -+ /* start split */ -+ _qtd->complete_split = 0; -+ _qtd->isoc_split_pos = DWC_HCSPLIT_XACTPOS_ALL; -+ _qtd->isoc_split_offset = 0; -+ -+ /* Store the qtd ptr in the urb to reference what QTD. */ -+ _urb->hcpriv = _qtd; -+ return; -+} -+ -+/** -+ * This function adds a QTD to the QTD-list of a QH. It will find the correct -+ * QH to place the QTD into. If it does not find a QH, then it will create a -+ * new QH. If the QH to which the QTD is added is not currently scheduled, it -+ * is placed into the proper schedule based on its EP type. -+ * -+ * @param[in] _qtd The QTD to add -+ * @param[in] _dwc_otg_hcd The DWC HCD structure -+ * -+ * @return 0 if successful, negative error code otherwise. -+ */ -+int dwc_otg_hcd_qtd_add(dwc_otg_qtd_t * _qtd, dwc_otg_hcd_t * _dwc_otg_hcd) -+{ -+ struct usb_host_endpoint *ep; -+ dwc_otg_qh_t *qh; -+ unsigned long flags; -+ int retval = 0; -+ struct urb *urb = _qtd->urb; -+ -+ local_irq_save(flags); -+ -+ /* -+ * Get the QH which holds the QTD-list to insert to. Create QH if it -+ * doesn't exist. -+ */ -+ ep = dwc_urb_to_endpoint(urb); -+ qh = (dwc_otg_qh_t *)ep->hcpriv; -+ if (qh == NULL) { -+ qh = dwc_otg_hcd_qh_create (_dwc_otg_hcd, urb); -+ if (qh == NULL) { -+ retval = -1; -+ goto done; -+ } -+ ep->hcpriv = qh; -+ } -+ -+ _qtd->qtd_qh_ptr = qh; -+ retval = dwc_otg_hcd_qh_add(_dwc_otg_hcd, qh); -+ if (retval == 0) { -+ list_add_tail(&_qtd->qtd_list_entry, &qh->qtd_list); -+ } -+ -+ done: -+ local_irq_restore(flags); -+ return retval; -+} -+ -+#endif /* DWC_DEVICE_ONLY */ ---- /dev/null -+++ b/drivers/usb/dwc_otg/dwc_otg_ifx.c -@@ -0,0 +1,101 @@ -+/****************************************************************************** -+** -+** FILE NAME : dwc_otg_ifx.c -+** PROJECT : Twinpass/Danube -+** MODULES : DWC OTG USB -+** -+** DATE : 12 Auguest 2007 -+** AUTHOR : Sung Winder -+** DESCRIPTION : Platform specific initialization. -+** COPYRIGHT : Copyright (c) 2007 -+** Infineon Technologies AG -+** 2F, No.2, Li-Hsin Rd., Hsinchu Science Park, -+** Hsin-chu City, 300 Taiwan. -+** -+** This program is free software; you can redistribute it and/or modify -+** it under the terms of the GNU General Public License as published by -+** the Free Software Foundation; either version 2 of the License, or -+** (at your option) any later version. -+** -+** HISTORY -+** $Date $Author $Comment -+** 12 Auguest 2007 Sung Winder Initiate Version -+*******************************************************************************/ -+#include "dwc_otg_ifx.h" -+ -+#include <linux/platform_device.h> -+#include <linux/kernel.h> -+#include <linux/ioport.h> -+#include <linux/gpio.h> -+ -+#include <asm/io.h> -+//#include <asm/mach-ifxmips/ifxmips.h> -+#include <lantiq_soc.h> -+ -+#define IFXMIPS_GPIO_BASE_ADDR (0xBE100B00) -+ -+#define IFXMIPS_GPIO_P0_OUT ((u32 *)(IFXMIPS_GPIO_BASE_ADDR + 0x0010)) -+#define IFXMIPS_GPIO_P1_OUT ((u32 *)(IFXMIPS_GPIO_BASE_ADDR + 0x0040)) -+#define IFXMIPS_GPIO_P0_IN ((u32 *)(IFXMIPS_GPIO_BASE_ADDR + 0x0014)) -+#define IFXMIPS_GPIO_P1_IN ((u32 *)(IFXMIPS_GPIO_BASE_ADDR + 0x0044)) -+#define IFXMIPS_GPIO_P0_DIR ((u32 *)(IFXMIPS_GPIO_BASE_ADDR + 0x0018)) -+#define IFXMIPS_GPIO_P1_DIR ((u32 *)(IFXMIPS_GPIO_BASE_ADDR + 0x0048)) -+#define IFXMIPS_GPIO_P0_ALTSEL0 ((u32 *)(IFXMIPS_GPIO_BASE_ADDR + 0x001C)) -+#define IFXMIPS_GPIO_P1_ALTSEL0 ((u32 *)(IFXMIPS_GPIO_BASE_ADDR + 0x004C)) -+#define IFXMIPS_GPIO_P0_ALTSEL1 ((u32 *)(IFXMIPS_GPIO_BASE_ADDR + 0x0020)) -+#define IFXMIPS_GPIO_P1_ALTSEL1 ((u32 *)(IFXMIPS_GPIO_BASE_ADDR + 0x0050)) -+#define IFXMIPS_GPIO_P0_OD ((u32 *)(IFXMIPS_GPIO_BASE_ADDR + 0x0024)) -+#define IFXMIPS_GPIO_P1_OD ((u32 *)(IFXMIPS_GPIO_BASE_ADDR + 0x0054)) -+#define IFXMIPS_GPIO_P0_STOFF ((u32 *)(IFXMIPS_GPIO_BASE_ADDR + 0x0028)) -+#define IFXMIPS_GPIO_P1_STOFF ((u32 *)(IFXMIPS_GPIO_BASE_ADDR + 0x0058)) -+#define IFXMIPS_GPIO_P0_PUDSEL ((u32 *)(IFXMIPS_GPIO_BASE_ADDR + 0x002C)) -+#define IFXMIPS_GPIO_P1_PUDSEL ((u32 *)(IFXMIPS_GPIO_BASE_ADDR + 0x005C)) -+#define IFXMIPS_GPIO_P0_PUDEN ((u32 *)(IFXMIPS_GPIO_BASE_ADDR + 0x0030)) -+#define IFXMIPS_GPIO_P1_PUDEN ((u32 *)(IFXMIPS_GPIO_BASE_ADDR + 0x0060)) -+ -+ -+extern void ltq_enable_irq(unsigned int irq_nr); -+#define writel ltq_w32 -+#define readl ltq_r32 -+void dwc_otg_power_on (void) -+{ -+ // clear power -+ writel(readl(DANUBE_PMU_PWDCR) | 0x41, DANUBE_PMU_PWDCR); -+ // set clock gating -+ writel(readl(DANUBE_CGU_IFCCR) | 0x30, DANUBE_CGU_IFCCR); -+ // set power -+ writel(readl(DANUBE_PMU_PWDCR) & ~0x1, DANUBE_PMU_PWDCR); -+ writel(readl(DANUBE_PMU_PWDCR) & ~0x40, DANUBE_PMU_PWDCR); -+ writel(readl(DANUBE_PMU_PWDCR) & ~0x8000, DANUBE_PMU_PWDCR); -+ -+#if 1//defined (DWC_HOST_ONLY) -+ // make the hardware be a host controller (default) -+ //clear_bit (DANUBE_USBCFG_HDSEL_BIT, (volatile unsigned long *)DANUBE_RCU_UBSCFG); -+ writel(readl(DANUBE_RCU_UBSCFG) & ~(1<<DANUBE_USBCFG_HDSEL_BIT), DANUBE_RCU_UBSCFG); -+ -+ //#elif defined (DWC_DEVICE_ONLY) -+ /* set the controller to the device mode */ -+ // set_bit (DANUBE_USBCFG_HDSEL_BIT, (volatile unsigned long *)DANUBE_RCU_UBSCFG); -+#else -+#error "For Danube/Twinpass, it should be HOST or Device Only." -+#endif -+ -+ // set the HC's byte-order to big-endian -+ //set_bit (DANUBE_USBCFG_HOST_END_BIT, (volatile unsigned long *)DANUBE_RCU_UBSCFG); -+ writel(readl(DANUBE_RCU_UBSCFG) | (1<<DANUBE_USBCFG_HOST_END_BIT), DANUBE_RCU_UBSCFG); -+ //clear_bit (DANUBE_USBCFG_SLV_END_BIT, (volatile unsigned long *)DANUBE_RCU_UBSCFG); -+ writel(readl(DANUBE_RCU_UBSCFG) & ~(1<<DANUBE_USBCFG_SLV_END_BIT), DANUBE_RCU_UBSCFG); -+ //writel(0x400, DANUBE_RCU_UBSCFG); -+ -+ // PHY configurations. -+ writel (0x14014, (volatile unsigned long *)0xbe10103c); -+} -+ -+int ifx_usb_hc_init(unsigned long base_addr, int irq) -+{ -+ return 0; -+} -+ -+void ifx_usb_hc_remove(void) -+{ -+} ---- /dev/null -+++ b/drivers/usb/dwc_otg/dwc_otg_ifx.h -@@ -0,0 +1,79 @@ -+/****************************************************************************** -+** -+** FILE NAME : dwc_otg_ifx.h -+** PROJECT : Twinpass/Danube -+** MODULES : DWC OTG USB -+** -+** DATE : 12 April 2007 -+** AUTHOR : Sung Winder -+** DESCRIPTION : Platform specific initialization. -+** COPYRIGHT : Copyright (c) 2007 -+** Infineon Technologies AG -+** 2F, No.2, Li-Hsin Rd., Hsinchu Science Park, -+** Hsin-chu City, 300 Taiwan. -+** -+** This program is free software; you can redistribute it and/or modify -+** it under the terms of the GNU General Public License as published by -+** the Free Software Foundation; either version 2 of the License, or -+** (at your option) any later version. -+** -+** HISTORY -+** $Date $Author $Comment -+** 12 April 2007 Sung Winder Initiate Version -+*******************************************************************************/ -+#if !defined(__DWC_OTG_IFX_H__) -+#define __DWC_OTG_IFX_H__ -+ -+#include <irq.h> -+ -+// 20070316, winder added. -+#ifndef SZ_256K -+#define SZ_256K 0x00040000 -+#endif -+ -+extern void dwc_otg_power_on (void); -+ -+/* FIXME: The current Linux-2.6 do not have these header files, but anyway, we need these. */ -+// #include <asm/danube/danube.h> -+// #include <asm/ifx/irq.h> -+ -+/* winder, I used the Danube parameter as default. * -+ * We could change this through module param. */ -+#define IFX_USB_IOMEM_BASE 0x1e101000 -+#define IFX_USB_IOMEM_SIZE SZ_256K -+#define IFX_USB_IRQ LTQ_USB_INT -+ -+/** -+ * This function is called to set correct clock gating and power. -+ * For Twinpass/Danube board. -+ */ -+#ifndef DANUBE_RCU_BASE_ADDR -+#define DANUBE_RCU_BASE_ADDR (0xBF203000) -+#endif -+ -+#ifndef DANUBE_CGU -+#define DANUBE_CGU (0xBF103000) -+#endif -+#ifndef DANUBE_CGU_IFCCR -+/***CGU Interface Clock Control Register***/ -+#define DANUBE_CGU_IFCCR ((volatile u32*)(DANUBE_CGU+ 0x0018)) -+#endif -+ -+#ifndef DANUBE_PMU -+#define DANUBE_PMU (KSEG1+0x1F102000) -+#endif -+#ifndef DANUBE_PMU_PWDCR -+/* PMU Power down Control Register */ -+#define DANUBE_PMU_PWDCR ((volatile u32*)(DANUBE_PMU+0x001C)) -+#endif -+ -+ -+#define DANUBE_RCU_UBSCFG ((volatile u32*)(DANUBE_RCU_BASE_ADDR + 0x18)) -+#define DANUBE_USBCFG_HDSEL_BIT 11 // 0:host, 1:device -+#define DANUBE_USBCFG_HOST_END_BIT 10 // 0:little_end, 1:big_end -+#define DANUBE_USBCFG_SLV_END_BIT 9 // 0:little_end, 1:big_end -+ -+extern void ltq_mask_and_ack_irq (unsigned int irq_nr); -+#define mask_and_ack_ifx_irq ltq_mask_and_ack_irq -+ -+#endif //__DWC_OTG_IFX_H__ ---- /dev/null -+++ b/drivers/usb/dwc_otg/dwc_otg_plat.h -@@ -0,0 +1,269 @@ -+/* ========================================================================== -+ * $File: //dwh/usb_iip/dev/software/otg_ipmate/linux/platform/dwc_otg_plat.h $ -+ * $Revision: 1.1.1.1 $ -+ * $Date: 2009-04-17 06:15:34 $ -+ * $Change: 510301 $ -+ * -+ * Synopsys HS OTG Linux Software Driver and documentation (hereinafter, -+ * "Software") is an Unsupported proprietary work of Synopsys, Inc. unless -+ * otherwise expressly agreed to in writing between Synopsys and you. -+ * -+ * The Software IS NOT an item of Licensed Software or Licensed Product under -+ * any End User Software License Agreement or Agreement for Licensed Product -+ * with Synopsys or any supplement thereto. You are permitted to use and -+ * redistribute this Software in source and binary forms, with or without -+ * modification, provided that redistributions of source code must retain this -+ * notice. You may not view, use, disclose, copy or distribute this file or -+ * any information contained herein except pursuant to this license grant from -+ * Synopsys. If you do not agree with this notice, including the disclaimer -+ * below, then you are not authorized to use the Software. -+ * -+ * THIS SOFTWARE IS BEING DISTRIBUTED BY SYNOPSYS SOLELY ON AN "AS IS" BASIS -+ * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE -+ * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE -+ * ARE HEREBY DISCLAIMED. IN NO EVENT SHALL SYNOPSYS BE LIABLE FOR ANY DIRECT, -+ * INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES -+ * (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR -+ * SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER -+ * CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT -+ * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY -+ * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH -+ * DAMAGE. -+ * ========================================================================== */ -+ -+#if !defined(__DWC_OTG_PLAT_H__) -+#define __DWC_OTG_PLAT_H__ -+ -+#include <linux/types.h> -+#include <linux/slab.h> -+#include <linux/list.h> -+#include <linux/delay.h> -+#include <asm/io.h> -+ -+/** -+ * @file -+ * -+ * This file contains the Platform Specific constants, interfaces -+ * (functions and macros) for Linux. -+ * -+ */ -+/*#if !defined(__LINUX__) -+#error "The contents of this file is Linux specific!!!" -+#endif -+*/ -+#include <lantiq_soc.h> -+#define writel ltq_w32 -+#define readl ltq_r32 -+ -+/** -+ * Reads the content of a register. -+ * -+ * @param _reg address of register to read. -+ * @return contents of the register. -+ * -+ -+ * Usage:<br> -+ * <code>uint32_t dev_ctl = dwc_read_reg32(&dev_regs->dctl);</code> -+ */ -+static __inline__ uint32_t dwc_read_reg32( volatile uint32_t *_reg) -+{ -+ return readl(_reg); -+}; -+ -+/** -+ * Writes a register with a 32 bit value. -+ * -+ * @param _reg address of register to read. -+ * @param _value to write to _reg. -+ * -+ * Usage:<br> -+ * <code>dwc_write_reg32(&dev_regs->dctl, 0); </code> -+ */ -+static __inline__ void dwc_write_reg32( volatile uint32_t *_reg, const uint32_t _value) -+{ -+ writel( _value, _reg ); -+}; -+ -+/** -+ * This function modifies bit values in a register. Using the -+ * algorithm: (reg_contents & ~clear_mask) | set_mask. -+ * -+ * @param _reg address of register to read. -+ * @param _clear_mask bit mask to be cleared. -+ * @param _set_mask bit mask to be set. -+ * -+ * Usage:<br> -+ * <code> // Clear the SOF Interrupt Mask bit and <br> -+ * // set the OTG Interrupt mask bit, leaving all others as they were. -+ * dwc_modify_reg32(&dev_regs->gintmsk, DWC_SOF_INT, DWC_OTG_INT);</code> -+ */ -+static __inline__ -+ void dwc_modify_reg32( volatile uint32_t *_reg, const uint32_t _clear_mask, const uint32_t _set_mask) -+{ -+ writel( (readl(_reg) & ~_clear_mask) | _set_mask, _reg ); -+}; -+ -+ -+/** -+ * Wrapper for the OS micro-second delay function. -+ * @param[in] _usecs Microseconds of delay -+ */ -+static __inline__ void UDELAY( const uint32_t _usecs ) -+{ -+ udelay( _usecs ); -+} -+ -+/** -+ * Wrapper for the OS milli-second delay function. -+ * @param[in] _msecs milliseconds of delay -+ */ -+static __inline__ void MDELAY( const uint32_t _msecs ) -+{ -+ mdelay( _msecs ); -+} -+ -+/** -+ * Wrapper for the Linux spin_lock. On the ARM (Integrator) -+ * spin_lock() is a nop. -+ * -+ * @param _lock Pointer to the spinlock. -+ */ -+static __inline__ void SPIN_LOCK( spinlock_t *_lock ) -+{ -+ spin_lock(_lock); -+} -+ -+/** -+ * Wrapper for the Linux spin_unlock. On the ARM (Integrator) -+ * spin_lock() is a nop. -+ * -+ * @param _lock Pointer to the spinlock. -+ */ -+static __inline__ void SPIN_UNLOCK( spinlock_t *_lock ) -+{ -+ spin_unlock(_lock); -+} -+ -+/** -+ * Wrapper (macro) for the Linux spin_lock_irqsave. On the ARM -+ * (Integrator) spin_lock() is a nop. -+ * -+ * @param _l Pointer to the spinlock. -+ * @param _f unsigned long for irq flags storage. -+ */ -+#define SPIN_LOCK_IRQSAVE( _l, _f ) { \ -+ spin_lock_irqsave(_l,_f); \ -+ } -+ -+/** -+ * Wrapper (macro) for the Linux spin_unlock_irqrestore. On the ARM -+ * (Integrator) spin_lock() is a nop. -+ * -+ * @param _l Pointer to the spinlock. -+ * @param _f unsigned long for irq flags storage. -+ */ -+#define SPIN_UNLOCK_IRQRESTORE( _l,_f ) {\ -+ spin_unlock_irqrestore(_l,_f); \ -+ } -+ -+ -+/* -+ * Debugging support vanishes in non-debug builds. -+ */ -+ -+ -+/** -+ * The Debug Level bit-mask variable. -+ */ -+extern uint32_t g_dbg_lvl; -+/** -+ * Set the Debug Level variable. -+ */ -+static inline uint32_t SET_DEBUG_LEVEL( const uint32_t _new ) -+{ -+ uint32_t old = g_dbg_lvl; -+ g_dbg_lvl = _new; -+ return old; -+} -+ -+/** When debug level has the DBG_CIL bit set, display CIL Debug messages. */ -+#define DBG_CIL (0x2) -+/** When debug level has the DBG_CILV bit set, display CIL Verbose debug -+ * messages */ -+#define DBG_CILV (0x20) -+/** When debug level has the DBG_PCD bit set, display PCD (Device) debug -+ * messages */ -+#define DBG_PCD (0x4) -+/** When debug level has the DBG_PCDV set, display PCD (Device) Verbose debug -+ * messages */ -+#define DBG_PCDV (0x40) -+/** When debug level has the DBG_HCD bit set, display Host debug messages */ -+#define DBG_HCD (0x8) -+/** When debug level has the DBG_HCDV bit set, display Verbose Host debug -+ * messages */ -+#define DBG_HCDV (0x80) -+/** When debug level has the DBG_HCD_URB bit set, display enqueued URBs in host -+ * mode. */ -+#define DBG_HCD_URB (0x800) -+ -+/** When debug level has any bit set, display debug messages */ -+#define DBG_ANY (0xFF) -+ -+/** All debug messages off */ -+#define DBG_OFF 0 -+ -+/** Prefix string for DWC_DEBUG print macros. */ -+#define USB_DWC "DWC_otg: " -+ -+/** -+ * Print a debug message when the Global debug level variable contains -+ * the bit defined in <code>lvl</code>. -+ * -+ * @param[in] lvl - Debug level, use one of the DBG_ constants above. -+ * @param[in] x - like printf -+ * -+ * Example:<p> -+ * <code> -+ * DWC_DEBUGPL( DBG_ANY, "%s(%p)\n", __func__, _reg_base_addr); -+ * </code> -+ * <br> -+ * results in:<br> -+ * <code> -+ * usb-DWC_otg: dwc_otg_cil_init(ca867000) -+ * </code> -+ */ -+#ifdef DEBUG -+ -+# define DWC_DEBUGPL(lvl, x...) do{ if ((lvl)&g_dbg_lvl)printk( KERN_DEBUG USB_DWC x ); }while(0) -+# define DWC_DEBUGP(x...) DWC_DEBUGPL(DBG_ANY, x ) -+ -+# define CHK_DEBUG_LEVEL(level) ((level) & g_dbg_lvl) -+ -+#else -+ -+# define DWC_DEBUGPL(lvl, x...) do{}while(0) -+# define DWC_DEBUGP(x...) -+ -+# define CHK_DEBUG_LEVEL(level) (0) -+ -+#endif /*DEBUG*/ -+ -+/** -+ * Print an Error message. -+ */ -+#define DWC_ERROR(x...) printk( KERN_ERR USB_DWC x ) -+/** -+ * Print a Warning message. -+ */ -+#define DWC_WARN(x...) printk( KERN_WARNING USB_DWC x ) -+/** -+ * Print a notice (normal but significant message). -+ */ -+#define DWC_NOTICE(x...) printk( KERN_NOTICE USB_DWC x ) -+/** -+ * Basic message printing. -+ */ -+#define DWC_PRINT(x...) printk( KERN_INFO USB_DWC x ) -+ -+#endif -+ ---- /dev/null -+++ b/drivers/usb/dwc_otg/dwc_otg_regs.h -@@ -0,0 +1,1797 @@ -+/* ========================================================================== -+ * $File: //dwh/usb_iip/dev/software/otg_ipmate/linux/drivers/dwc_otg_regs.h $ -+ * $Revision: 1.1.1.1 $ -+ * $Date: 2009-04-17 06:15:34 $ -+ * $Change: 631780 $ -+ * -+ * Synopsys HS OTG Linux Software Driver and documentation (hereinafter, -+ * "Software") is an Unsupported proprietary work of Synopsys, Inc. unless -+ * otherwise expressly agreed to in writing between Synopsys and you. -+ * -+ * The Software IS NOT an item of Licensed Software or Licensed Product under -+ * any End User Software License Agreement or Agreement for Licensed Product -+ * with Synopsys or any supplement thereto. You are permitted to use and -+ * redistribute this Software in source and binary forms, with or without -+ * modification, provided that redistributions of source code must retain this -+ * notice. You may not view, use, disclose, copy or distribute this file or -+ * any information contained herein except pursuant to this license grant from -+ * Synopsys. If you do not agree with this notice, including the disclaimer -+ * below, then you are not authorized to use the Software. -+ * -+ * THIS SOFTWARE IS BEING DISTRIBUTED BY SYNOPSYS SOLELY ON AN "AS IS" BASIS -+ * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE -+ * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE -+ * ARE HEREBY DISCLAIMED. IN NO EVENT SHALL SYNOPSYS BE LIABLE FOR ANY DIRECT, -+ * INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES -+ * (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR -+ * SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER -+ * CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT -+ * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY -+ * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH -+ * DAMAGE. -+ * ========================================================================== */ -+ -+#ifndef __DWC_OTG_REGS_H__ -+#define __DWC_OTG_REGS_H__ -+ -+/** -+ * @file -+ * -+ * This file contains the data structures for accessing the DWC_otg core registers. -+ * -+ * The application interfaces with the HS OTG core by reading from and -+ * writing to the Control and Status Register (CSR) space through the -+ * AHB Slave interface. These registers are 32 bits wide, and the -+ * addresses are 32-bit-block aligned. -+ * CSRs are classified as follows: -+ * - Core Global Registers -+ * - Device Mode Registers -+ * - Device Global Registers -+ * - Device Endpoint Specific Registers -+ * - Host Mode Registers -+ * - Host Global Registers -+ * - Host Port CSRs -+ * - Host Channel Specific Registers -+ * -+ * Only the Core Global registers can be accessed in both Device and -+ * Host modes. When the HS OTG core is operating in one mode, either -+ * Device or Host, the application must not access registers from the -+ * other mode. When the core switches from one mode to another, the -+ * registers in the new mode of operation must be reprogrammed as they -+ * would be after a power-on reset. -+ */ -+ -+/****************************************************************************/ -+/** DWC_otg Core registers . -+ * The dwc_otg_core_global_regs structure defines the size -+ * and relative field offsets for the Core Global registers. -+ */ -+typedef struct dwc_otg_core_global_regs -+{ -+ /** OTG Control and Status Register. <i>Offset: 000h</i> */ -+ volatile uint32_t gotgctl; -+ /** OTG Interrupt Register. <i>Offset: 004h</i> */ -+ volatile uint32_t gotgint; -+ /**Core AHB Configuration Register. <i>Offset: 008h</i> */ -+ volatile uint32_t gahbcfg; -+#define DWC_GLBINTRMASK 0x0001 -+#define DWC_DMAENABLE 0x0020 -+#define DWC_NPTXEMPTYLVL_EMPTY 0x0080 -+#define DWC_NPTXEMPTYLVL_HALFEMPTY 0x0000 -+#define DWC_PTXEMPTYLVL_EMPTY 0x0100 -+#define DWC_PTXEMPTYLVL_HALFEMPTY 0x0000 -+ -+ -+ /**Core USB Configuration Register. <i>Offset: 00Ch</i> */ -+ volatile uint32_t gusbcfg; -+ /**Core Reset Register. <i>Offset: 010h</i> */ -+ volatile uint32_t grstctl; -+ /**Core Interrupt Register. <i>Offset: 014h</i> */ -+ volatile uint32_t gintsts; -+ /**Core Interrupt Mask Register. <i>Offset: 018h</i> */ -+ volatile uint32_t gintmsk; -+ /**Receive Status Queue Read Register (Read Only). <i>Offset: 01Ch</i> */ -+ volatile uint32_t grxstsr; -+ /**Receive Status Queue Read & POP Register (Read Only). <i>Offset: 020h</i>*/ -+ volatile uint32_t grxstsp; -+ /**Receive FIFO Size Register. <i>Offset: 024h</i> */ -+ volatile uint32_t grxfsiz; -+ /**Non Periodic Transmit FIFO Size Register. <i>Offset: 028h</i> */ -+ volatile uint32_t gnptxfsiz; -+ /**Non Periodic Transmit FIFO/Queue Status Register (Read -+ * Only). <i>Offset: 02Ch</i> */ -+ volatile uint32_t gnptxsts; -+ /**I2C Access Register. <i>Offset: 030h</i> */ -+ volatile uint32_t gi2cctl; -+ /**PHY Vendor Control Register. <i>Offset: 034h</i> */ -+ volatile uint32_t gpvndctl; -+ /**General Purpose Input/Output Register. <i>Offset: 038h</i> */ -+ volatile uint32_t ggpio; -+ /**User ID Register. <i>Offset: 03Ch</i> */ -+ volatile uint32_t guid; -+ /**Synopsys ID Register (Read Only). <i>Offset: 040h</i> */ -+ volatile uint32_t gsnpsid; -+ /**User HW Config1 Register (Read Only). <i>Offset: 044h</i> */ -+ volatile uint32_t ghwcfg1; -+ /**User HW Config2 Register (Read Only). <i>Offset: 048h</i> */ -+ volatile uint32_t ghwcfg2; -+#define DWC_SLAVE_ONLY_ARCH 0 -+#define DWC_EXT_DMA_ARCH 1 -+#define DWC_INT_DMA_ARCH 2 -+ -+#define DWC_MODE_HNP_SRP_CAPABLE 0 -+#define DWC_MODE_SRP_ONLY_CAPABLE 1 -+#define DWC_MODE_NO_HNP_SRP_CAPABLE 2 -+#define DWC_MODE_SRP_CAPABLE_DEVICE 3 -+#define DWC_MODE_NO_SRP_CAPABLE_DEVICE 4 -+#define DWC_MODE_SRP_CAPABLE_HOST 5 -+#define DWC_MODE_NO_SRP_CAPABLE_HOST 6 -+ -+ /**User HW Config3 Register (Read Only). <i>Offset: 04Ch</i> */ -+ volatile uint32_t ghwcfg3; -+ /**User HW Config4 Register (Read Only). <i>Offset: 050h</i>*/ -+ volatile uint32_t ghwcfg4; -+ /** Reserved <i>Offset: 054h-0FFh</i> */ -+ uint32_t reserved[43]; -+ /** Host Periodic Transmit FIFO Size Register. <i>Offset: 100h</i> */ -+ volatile uint32_t hptxfsiz; -+ /** Device Periodic Transmit FIFO#n Register if dedicated fifos are disabled, -+ otherwise Device Transmit FIFO#n Register. -+ * <i>Offset: 104h + (FIFO_Number-1)*04h, 1 <= FIFO Number <= 15 (1<=n<=15).</i> */ -+ //volatile uint32_t dptxfsiz[15]; -+ volatile uint32_t dptxfsiz_dieptxf[15]; -+} dwc_otg_core_global_regs_t; -+ -+/** -+ * This union represents the bit fields of the Core OTG Control -+ * and Status Register (GOTGCTL). Set the bits using the bit -+ * fields then write the <i>d32</i> value to the register. -+ */ -+typedef union gotgctl_data -+{ -+ /** raw register data */ -+ uint32_t d32; -+ /** register bits */ -+ struct -+ { -+ unsigned reserved31_21 : 11; -+ unsigned currmod : 1; -+ unsigned bsesvld : 1; -+ unsigned asesvld : 1; -+ unsigned reserved17 : 1; -+ unsigned conidsts : 1; -+ unsigned reserved15_12 : 4; -+ unsigned devhnpen : 1; -+ unsigned hstsethnpen : 1; -+ unsigned hnpreq : 1; -+ unsigned hstnegscs : 1; -+ unsigned reserved7_2 : 6; -+ unsigned sesreq : 1; -+ unsigned sesreqscs : 1; -+ } b; -+} gotgctl_data_t; -+ -+/** -+ * This union represents the bit fields of the Core OTG Interrupt Register -+ * (GOTGINT). Set/clear the bits using the bit fields then write the <i>d32</i> -+ * value to the register. -+ */ -+typedef union gotgint_data -+{ -+ /** raw register data */ -+ uint32_t d32; -+ /** register bits */ -+ struct -+ { -+ /** Current Mode */ -+ unsigned reserved31_20 : 12; -+ /** Debounce Done */ -+ unsigned debdone : 1; -+ /** A-Device Timeout Change */ -+ unsigned adevtoutchng : 1; -+ /** Host Negotiation Detected */ -+ unsigned hstnegdet : 1; -+ unsigned reserver16_10 : 7; -+ /** Host Negotiation Success Status Change */ -+ unsigned hstnegsucstschng : 1; -+ /** Session Request Success Status Change */ -+ unsigned sesreqsucstschng : 1; -+ unsigned reserved3_7 : 5; -+ /** Session End Detected */ -+ unsigned sesenddet : 1; -+ /** Current Mode */ -+ unsigned reserved1_0 : 2; -+ } b; -+} gotgint_data_t; -+ -+ -+/** -+ * This union represents the bit fields of the Core AHB Configuration -+ * Register (GAHBCFG). Set/clear the bits using the bit fields then -+ * write the <i>d32</i> value to the register. -+ */ -+typedef union gahbcfg_data -+{ -+ /** raw register data */ -+ uint32_t d32; -+ /** register bits */ -+ struct -+ { -+#define DWC_GAHBCFG_TXFEMPTYLVL_EMPTY 1 -+#define DWC_GAHBCFG_TXFEMPTYLVL_HALFEMPTY 0 -+ unsigned reserved9_31 : 23; -+ unsigned ptxfemplvl : 1; -+ unsigned nptxfemplvl_txfemplvl : 1; -+#define DWC_GAHBCFG_DMAENABLE 1 -+ unsigned reserved : 1; -+ unsigned dmaenable : 1; -+#define DWC_GAHBCFG_INT_DMA_BURST_SINGLE 0 -+#define DWC_GAHBCFG_INT_DMA_BURST_INCR 1 -+#define DWC_GAHBCFG_INT_DMA_BURST_INCR4 3 -+#define DWC_GAHBCFG_INT_DMA_BURST_INCR8 5 -+#define DWC_GAHBCFG_INT_DMA_BURST_INCR16 7 -+ unsigned hburstlen : 4; -+ unsigned glblintrmsk : 1; -+#define DWC_GAHBCFG_GLBINT_ENABLE 1 -+ -+ } b; -+} gahbcfg_data_t; -+ -+/** -+ * This union represents the bit fields of the Core USB Configuration -+ * Register (GUSBCFG). Set the bits using the bit fields then write -+ * the <i>d32</i> value to the register. -+ */ -+typedef union gusbcfg_data -+{ -+ /** raw register data */ -+ uint32_t d32; -+ /** register bits */ -+ struct -+ { -+ unsigned corrupt_tx_packet: 1; /*fscz*/ -+ unsigned force_device_mode: 1; -+ unsigned force_host_mode: 1; -+ unsigned reserved23_28 : 6; -+ unsigned term_sel_dl_pulse : 1; -+ unsigned ulpi_int_vbus_indicator : 1; -+ unsigned ulpi_ext_vbus_drv : 1; -+ unsigned ulpi_clk_sus_m : 1; -+ unsigned ulpi_auto_res : 1; -+ unsigned ulpi_fsls : 1; -+ unsigned otgutmifssel : 1; -+ unsigned phylpwrclksel : 1; -+ unsigned nptxfrwnden : 1; -+ unsigned usbtrdtim : 4; -+ unsigned hnpcap : 1; -+ unsigned srpcap : 1; -+ unsigned ddrsel : 1; -+ unsigned physel : 1; -+ unsigned fsintf : 1; -+ unsigned ulpi_utmi_sel : 1; -+ unsigned phyif : 1; -+ unsigned toutcal : 3; -+ } b; -+} gusbcfg_data_t; -+ -+/** -+ * This union represents the bit fields of the Core Reset Register -+ * (GRSTCTL). Set/clear the bits using the bit fields then write the -+ * <i>d32</i> value to the register. -+ */ -+typedef union grstctl_data -+{ -+ /** raw register data */ -+ uint32_t d32; -+ /** register bits */ -+ struct -+ { -+ /** AHB Master Idle. Indicates the AHB Master State -+ * Machine is in IDLE condition. */ -+ unsigned ahbidle : 1; -+ /** DMA Request Signal. Indicated DMA request is in -+ * probress. Used for debug purpose. */ -+ unsigned dmareq : 1; -+ /** Reserved */ -+ unsigned reserved29_11 : 19; -+ /** TxFIFO Number (TxFNum) (Device and Host). -+ * -+ * This is the FIFO number which needs to be flushed, -+ * using the TxFIFO Flush bit. This field should not -+ * be changed until the TxFIFO Flush bit is cleared by -+ * the core. -+ * - 0x0 : Non Periodic TxFIFO Flush -+ * - 0x1 : Periodic TxFIFO #1 Flush in device mode -+ * or Periodic TxFIFO in host mode -+ * - 0x2 : Periodic TxFIFO #2 Flush in device mode. -+ * - ... -+ * - 0xF : Periodic TxFIFO #15 Flush in device mode -+ * - 0x10: Flush all the Transmit NonPeriodic and -+ * Transmit Periodic FIFOs in the core -+ */ -+ unsigned txfnum : 5; -+ /** TxFIFO Flush (TxFFlsh) (Device and Host). -+ * -+ * This bit is used to selectively flush a single or -+ * all transmit FIFOs. The application must first -+ * ensure that the core is not in the middle of a -+ * transaction. <p>The application should write into -+ * this bit, only after making sure that neither the -+ * DMA engine is writing into the TxFIFO nor the MAC -+ * is reading the data out of the FIFO. <p>The -+ * application should wait until the core clears this -+ * bit, before performing any operations. This bit -+ * will takes 8 clocks (slowest of PHY or AHB clock) -+ * to clear. -+ */ -+ unsigned txfflsh : 1; -+ /** RxFIFO Flush (RxFFlsh) (Device and Host) -+ * -+ * The application can flush the entire Receive FIFO -+ * using this bit. <p>The application must first -+ * ensure that the core is not in the middle of a -+ * transaction. <p>The application should write into -+ * this bit, only after making sure that neither the -+ * DMA engine is reading from the RxFIFO nor the MAC -+ * is writing the data in to the FIFO. <p>The -+ * application should wait until the bit is cleared -+ * before performing any other operations. This bit -+ * will takes 8 clocks (slowest of PHY or AHB clock) -+ * to clear. -+ */ -+ unsigned rxfflsh : 1; -+ /** In Token Sequence Learning Queue Flush -+ * (INTknQFlsh) (Device Only) -+ */ -+ unsigned intknqflsh : 1; -+ /** Host Frame Counter Reset (Host Only)<br> -+ * -+ * The application can reset the (micro)frame number -+ * counter inside the core, using this bit. When the -+ * (micro)frame counter is reset, the subsequent SOF -+ * sent out by the core, will have a (micro)frame -+ * number of 0. -+ */ -+ unsigned hstfrm : 1; -+ /** Hclk Soft Reset -+ * -+ * The application uses this bit to reset the control logic in -+ * the AHB clock domain. Only AHB clock domain pipelines are -+ * reset. -+ */ -+ unsigned hsftrst : 1; -+ /** Core Soft Reset (CSftRst) (Device and Host) -+ * -+ * The application can flush the control logic in the -+ * entire core using this bit. This bit resets the -+ * pipelines in the AHB Clock domain as well as the -+ * PHY Clock domain. -+ * -+ * The state machines are reset to an IDLE state, the -+ * control bits in the CSRs are cleared, all the -+ * transmit FIFOs and the receive FIFO are flushed. -+ * -+ * The status mask bits that control the generation of -+ * the interrupt, are cleared, to clear the -+ * interrupt. The interrupt status bits are not -+ * cleared, so the application can get the status of -+ * any events that occurred in the core after it has -+ * set this bit. -+ * -+ * Any transactions on the AHB are terminated as soon -+ * as possible following the protocol. Any -+ * transactions on the USB are terminated immediately. -+ * -+ * The configuration settings in the CSRs are -+ * unchanged, so the software doesn't have to -+ * reprogram these registers (Device -+ * Configuration/Host Configuration/Core System -+ * Configuration/Core PHY Configuration). -+ * -+ * The application can write to this bit, any time it -+ * wants to reset the core. This is a self clearing -+ * bit and the core clears this bit after all the -+ * necessary logic is reset in the core, which may -+ * take several clocks, depending on the current state -+ * of the core. -+ */ -+ unsigned csftrst : 1; -+ } b; -+} grstctl_t; -+ -+ -+/** -+ * This union represents the bit fields of the Core Interrupt Mask -+ * Register (GINTMSK). Set/clear the bits using the bit fields then -+ * write the <i>d32</i> value to the register. -+ */ -+typedef union gintmsk_data -+{ -+ /** raw register data */ -+ uint32_t d32; -+ /** register bits */ -+ struct -+ { -+ unsigned wkupintr : 1; -+ unsigned sessreqintr : 1; -+ unsigned disconnect : 1; -+ unsigned conidstschng : 1; -+ unsigned reserved27 : 1; -+ unsigned ptxfempty : 1; -+ unsigned hcintr : 1; -+ unsigned portintr : 1; -+ unsigned reserved22_23 : 2; -+ unsigned incomplisoout : 1; -+ unsigned incomplisoin : 1; -+ unsigned outepintr : 1; -+ unsigned inepintr : 1; -+ unsigned epmismatch : 1; -+ unsigned reserved16 : 1; -+ unsigned eopframe : 1; -+ unsigned isooutdrop : 1; -+ unsigned enumdone : 1; -+ unsigned usbreset : 1; -+ unsigned usbsuspend : 1; -+ unsigned erlysuspend : 1; -+ unsigned i2cintr : 1; -+ unsigned reserved8 : 1; -+ unsigned goutnakeff : 1; -+ unsigned ginnakeff : 1; -+ unsigned nptxfempty : 1; -+ unsigned rxstsqlvl : 1; -+ unsigned sofintr : 1; -+ unsigned otgintr : 1; -+ unsigned modemismatch : 1; -+ unsigned reserved0 : 1; -+ } b; -+} gintmsk_data_t; -+/** -+ * This union represents the bit fields of the Core Interrupt Register -+ * (GINTSTS). Set/clear the bits using the bit fields then write the -+ * <i>d32</i> value to the register. -+ */ -+typedef union gintsts_data -+{ -+ /** raw register data */ -+ uint32_t d32; -+#define DWC_SOF_INTR_MASK 0x0008 -+ /** register bits */ -+ struct -+ { -+#define DWC_HOST_MODE 1 -+ unsigned wkupintr : 1; -+ unsigned sessreqintr : 1; -+ unsigned disconnect : 1; -+ unsigned conidstschng : 1; -+ unsigned reserved27 : 1; -+ unsigned ptxfempty : 1; -+ unsigned hcintr : 1; -+ unsigned portintr : 1; -+ unsigned reserved22_23 : 2; -+ unsigned incomplisoout : 1; -+ unsigned incomplisoin : 1; -+ unsigned outepintr : 1; -+ unsigned inepint: 1; -+ unsigned epmismatch : 1; -+ unsigned intokenrx : 1; -+ unsigned eopframe : 1; -+ unsigned isooutdrop : 1; -+ unsigned enumdone : 1; -+ unsigned usbreset : 1; -+ unsigned usbsuspend : 1; -+ unsigned erlysuspend : 1; -+ unsigned i2cintr : 1; -+ unsigned reserved8 : 1; -+ unsigned goutnakeff : 1; -+ unsigned ginnakeff : 1; -+ unsigned nptxfempty : 1; -+ unsigned rxstsqlvl : 1; -+ unsigned sofintr : 1; -+ unsigned otgintr : 1; -+ unsigned modemismatch : 1; -+ unsigned curmode : 1; -+ } b; -+} gintsts_data_t; -+ -+ -+/** -+ * This union represents the bit fields in the Device Receive Status Read and -+ * Pop Registers (GRXSTSR, GRXSTSP) Read the register into the <i>d32</i> -+ * element then read out the bits using the <i>b</i>it elements. -+ */ -+typedef union device_grxsts_data { -+ /** raw register data */ -+ uint32_t d32; -+ /** register bits */ -+ struct { -+ unsigned reserved : 7; -+ unsigned fn : 4; -+#define DWC_STS_DATA_UPDT 0x2 // OUT Data Packet -+#define DWC_STS_XFER_COMP 0x3 // OUT Data Transfer Complete -+ -+#define DWC_DSTS_GOUT_NAK 0x1 // Global OUT NAK -+#define DWC_DSTS_SETUP_COMP 0x4 // Setup Phase Complete -+#define DWC_DSTS_SETUP_UPDT 0x6 // SETUP Packet -+ unsigned pktsts : 4; -+ unsigned dpid : 2; -+ unsigned bcnt : 11; -+ unsigned epnum : 4; -+ } b; -+} device_grxsts_data_t; -+ -+/** -+ * This union represents the bit fields in the Host Receive Status Read and -+ * Pop Registers (GRXSTSR, GRXSTSP) Read the register into the <i>d32</i> -+ * element then read out the bits using the <i>b</i>it elements. -+ */ -+typedef union host_grxsts_data { -+ /** raw register data */ -+ uint32_t d32; -+ /** register bits */ -+ struct { -+ unsigned reserved31_21 : 11; -+#define DWC_GRXSTS_PKTSTS_IN 0x2 -+#define DWC_GRXSTS_PKTSTS_IN_XFER_COMP 0x3 -+#define DWC_GRXSTS_PKTSTS_DATA_TOGGLE_ERR 0x5 -+#define DWC_GRXSTS_PKTSTS_CH_HALTED 0x7 -+ unsigned pktsts : 4; -+ unsigned dpid : 2; -+ unsigned bcnt : 11; -+ unsigned chnum : 4; -+ } b; -+} host_grxsts_data_t; -+ -+/** -+ * This union represents the bit fields in the FIFO Size Registers (HPTXFSIZ, -+ * GNPTXFSIZ, DPTXFSIZn). Read the register into the <i>d32</i> element then -+ * read out the bits using the <i>b</i>it elements. -+ */ -+typedef union fifosize_data { -+ /** raw register data */ -+ uint32_t d32; -+ /** register bits */ -+ struct { -+ unsigned depth : 16; -+ unsigned startaddr : 16; -+ } b; -+} fifosize_data_t; -+ -+/** -+ * This union represents the bit fields in the Non-Periodic Transmit -+ * FIFO/Queue Status Register (GNPTXSTS). Read the register into the -+ * <i>d32</i> element then read out the bits using the <i>b</i>it -+ * elements. -+ */ -+typedef union gnptxsts_data { -+ /** raw register data */ -+ uint32_t d32; -+ /** register bits */ -+ struct { -+ unsigned reserved : 1; -+ /** Top of the Non-Periodic Transmit Request Queue -+ * - bits 30:27 - Channel/EP Number -+ * - bits 26:25 - Token Type -+ * - bit 24 - Terminate (Last entry for the selected -+ * channel/EP) -+ * - 2'b00 - IN/OUT -+ * - 2'b01 - Zero Length OUT -+ * - 2'b10 - PING/Complete Split -+ * - 2'b11 - Channel Halt -+ -+ */ -+ unsigned nptxqtop_chnep : 4; -+ unsigned nptxqtop_token : 2; -+ unsigned nptxqtop_terminate : 1; -+ unsigned nptxqspcavail : 8; -+ unsigned nptxfspcavail : 16; -+ } b; -+} gnptxsts_data_t; -+ -+/** -+ * This union represents the bit fields in the Transmit -+ * FIFO Status Register (DTXFSTS). Read the register into the -+ * <i>d32</i> element then read out the bits using the <i>b</i>it -+ * elements. -+ */ -+typedef union dtxfsts_data /* fscz */ //* -+{ -+ /** raw register data */ -+ uint32_t d32; -+ /** register bits */ -+ struct { -+ unsigned reserved : 16; -+ unsigned txfspcavail : 16; -+ } b; -+} dtxfsts_data_t; -+ -+/** -+ * This union represents the bit fields in the I2C Control Register -+ * (I2CCTL). Read the register into the <i>d32</i> element then read out the -+ * bits using the <i>b</i>it elements. -+ */ -+typedef union gi2cctl_data { -+ /** raw register data */ -+ uint32_t d32; -+ /** register bits */ -+ struct { -+ unsigned bsydne : 1; -+ unsigned rw : 1; -+ unsigned reserved : 2; -+ unsigned i2cdevaddr : 2; -+ unsigned i2csuspctl : 1; -+ unsigned ack : 1; -+ unsigned i2cen : 1; -+ unsigned addr : 7; -+ unsigned regaddr : 8; -+ unsigned rwdata : 8; -+ } b; -+} gi2cctl_data_t; -+ -+/** -+ * This union represents the bit fields in the User HW Config1 -+ * Register. Read the register into the <i>d32</i> element then read -+ * out the bits using the <i>b</i>it elements. -+ */ -+typedef union hwcfg1_data { -+ /** raw register data */ -+ uint32_t d32; -+ /** register bits */ -+ struct { -+ unsigned ep_dir15 : 2; -+ unsigned ep_dir14 : 2; -+ unsigned ep_dir13 : 2; -+ unsigned ep_dir12 : 2; -+ unsigned ep_dir11 : 2; -+ unsigned ep_dir10 : 2; -+ unsigned ep_dir9 : 2; -+ unsigned ep_dir8 : 2; -+ unsigned ep_dir7 : 2; -+ unsigned ep_dir6 : 2; -+ unsigned ep_dir5 : 2; -+ unsigned ep_dir4 : 2; -+ unsigned ep_dir3 : 2; -+ unsigned ep_dir2 : 2; -+ unsigned ep_dir1 : 2; -+ unsigned ep_dir0 : 2; -+ } b; -+} hwcfg1_data_t; -+ -+/** -+ * This union represents the bit fields in the User HW Config2 -+ * Register. Read the register into the <i>d32</i> element then read -+ * out the bits using the <i>b</i>it elements. -+ */ -+typedef union hwcfg2_data -+{ -+ /** raw register data */ -+ uint32_t d32; -+ /** register bits */ -+ struct { -+ /* GHWCFG2 */ -+ unsigned reserved31 : 1; -+ unsigned dev_token_q_depth : 5; -+ unsigned host_perio_tx_q_depth : 2; -+ unsigned nonperio_tx_q_depth : 2; -+ unsigned rx_status_q_depth : 2; -+ unsigned dynamic_fifo : 1; -+ unsigned perio_ep_supported : 1; -+ unsigned num_host_chan : 4; -+ unsigned num_dev_ep : 4; -+ unsigned fs_phy_type : 2; -+#define DWC_HWCFG2_HS_PHY_TYPE_NOT_SUPPORTED 0 -+#define DWC_HWCFG2_HS_PHY_TYPE_UTMI 1 -+#define DWC_HWCFG2_HS_PHY_TYPE_ULPI 2 -+#define DWC_HWCFG2_HS_PHY_TYPE_UTMI_ULPI 3 -+ unsigned hs_phy_type : 2; -+ unsigned point2point : 1; -+ unsigned architecture : 2; -+#define DWC_HWCFG2_OP_MODE_HNP_SRP_CAPABLE_OTG 0 -+#define DWC_HWCFG2_OP_MODE_SRP_ONLY_CAPABLE_OTG 1 -+#define DWC_HWCFG2_OP_MODE_NO_HNP_SRP_CAPABLE_OTG 2 -+#define DWC_HWCFG2_OP_MODE_SRP_CAPABLE_DEVICE 3 -+#define DWC_HWCFG2_OP_MODE_NO_SRP_CAPABLE_DEVICE 4 -+#define DWC_HWCFG2_OP_MODE_SRP_CAPABLE_HOST 5 -+#define DWC_HWCFG2_OP_MODE_NO_SRP_CAPABLE_HOST 6 -+ unsigned op_mode : 3; -+ } b; -+} hwcfg2_data_t; -+ -+/** -+ * This union represents the bit fields in the User HW Config3 -+ * Register. Read the register into the <i>d32</i> element then read -+ * out the bits using the <i>b</i>it elements. -+ */ -+typedef union hwcfg3_data -+{ -+ /** raw register data */ -+ uint32_t d32; -+ /** register bits */ -+ struct { -+ /* GHWCFG3 */ -+ unsigned dfifo_depth : 16; -+ unsigned reserved15_13 : 3; -+ unsigned ahb_phy_clock_synch : 1; -+ unsigned synch_reset_type : 1; -+ unsigned optional_features : 1; -+ unsigned vendor_ctrl_if : 1; -+ unsigned i2c : 1; -+ unsigned otg_func : 1; -+ unsigned packet_size_cntr_width : 3; -+ unsigned xfer_size_cntr_width : 4; -+ } b; -+} hwcfg3_data_t; -+ -+/** -+ * This union represents the bit fields in the User HW Config4 -+ * Register. Read the register into the <i>d32</i> element then read -+ * out the bits using the <i>b</i>it elements. -+ */ -+typedef union hwcfg4_data -+{ -+ /** raw register data */ -+ uint32_t d32; -+ /** register bits */ -+ struct { -+unsigned reserved31_30 : 2; /* fscz */ -+ unsigned num_in_eps : 4; -+ unsigned ded_fifo_en : 1; -+ -+ unsigned session_end_filt_en : 1; -+ unsigned b_valid_filt_en : 1; -+ unsigned a_valid_filt_en : 1; -+ unsigned vbus_valid_filt_en : 1; -+ unsigned iddig_filt_en : 1; -+ unsigned num_dev_mode_ctrl_ep : 4; -+ unsigned utmi_phy_data_width : 2; -+ unsigned min_ahb_freq : 9; -+ unsigned power_optimiz : 1; -+ unsigned num_dev_perio_in_ep : 4; -+ } b; -+} hwcfg4_data_t; -+ -+//////////////////////////////////////////// -+// Device Registers -+/** -+ * Device Global Registers. <i>Offsets 800h-BFFh</i> -+ * -+ * The following structures define the size and relative field offsets -+ * for the Device Mode Registers. -+ * -+ * <i>These registers are visible only in Device mode and must not be -+ * accessed in Host mode, as the results are unknown.</i> -+ */ -+typedef struct dwc_otg_dev_global_regs -+{ -+ /** Device Configuration Register. <i>Offset 800h</i> */ -+ volatile uint32_t dcfg; -+ /** Device Control Register. <i>Offset: 804h</i> */ -+ volatile uint32_t dctl; -+ /** Device Status Register (Read Only). <i>Offset: 808h</i> */ -+ volatile uint32_t dsts; -+ /** Reserved. <i>Offset: 80Ch</i> */ -+ uint32_t unused; -+ /** Device IN Endpoint Common Interrupt Mask -+ * Register. <i>Offset: 810h</i> */ -+ volatile uint32_t diepmsk; -+ /** Device OUT Endpoint Common Interrupt Mask -+ * Register. <i>Offset: 814h</i> */ -+ volatile uint32_t doepmsk; -+ /** Device All Endpoints Interrupt Register. <i>Offset: 818h</i> */ -+ volatile uint32_t daint; -+ /** Device All Endpoints Interrupt Mask Register. <i>Offset: -+ * 81Ch</i> */ -+ volatile uint32_t daintmsk; -+ /** Device IN Token Queue Read Register-1 (Read Only). -+ * <i>Offset: 820h</i> */ -+ volatile uint32_t dtknqr1; -+ /** Device IN Token Queue Read Register-2 (Read Only). -+ * <i>Offset: 824h</i> */ -+ volatile uint32_t dtknqr2; -+ /** Device VBUS discharge Register. <i>Offset: 828h</i> */ -+ volatile uint32_t dvbusdis; -+ /** Device VBUS Pulse Register. <i>Offset: 82Ch</i> */ -+ volatile uint32_t dvbuspulse; -+ /** Device IN Token Queue Read Register-3 (Read Only). -+ * Device Thresholding control register (Read/Write) -+ * <i>Offset: 830h</i> */ -+ volatile uint32_t dtknqr3_dthrctl; -+ /** Device IN Token Queue Read Register-4 (Read Only). / -+ * Device IN EPs empty Inr. Mask Register (Read/Write) -+ * <i>Offset: 834h</i> */ -+ volatile uint32_t dtknqr4_fifoemptymsk; -+} dwc_otg_device_global_regs_t; -+ -+/** -+ * This union represents the bit fields in the Device Configuration -+ * Register. Read the register into the <i>d32</i> member then -+ * set/clear the bits using the <i>b</i>it elements. Write the -+ * <i>d32</i> member to the dcfg register. -+ */ -+typedef union dcfg_data -+{ -+ /** raw register data */ -+ uint32_t d32; -+ /** register bits */ -+ struct { -+ unsigned reserved31_23 : 9; -+ /** In Endpoint Mis-match count */ -+ unsigned epmscnt : 5; -+ unsigned reserved13_17 : 5; -+ /** Periodic Frame Interval */ -+#define DWC_DCFG_FRAME_INTERVAL_80 0 -+#define DWC_DCFG_FRAME_INTERVAL_85 1 -+#define DWC_DCFG_FRAME_INTERVAL_90 2 -+#define DWC_DCFG_FRAME_INTERVAL_95 3 -+ unsigned perfrint : 2; -+ /** Device Addresses */ -+ unsigned devaddr : 7; -+ unsigned reserved3 : 1; -+ /** Non Zero Length Status OUT Handshake */ -+#define DWC_DCFG_SEND_STALL 1 -+ unsigned nzstsouthshk : 1; -+ /** Device Speed */ -+ unsigned devspd : 2; -+ } b; -+} dcfg_data_t; -+ -+/** -+ * This union represents the bit fields in the Device Control -+ * Register. Read the register into the <i>d32</i> member then -+ * set/clear the bits using the <i>b</i>it elements. -+ */ -+typedef union dctl_data -+{ -+ /** raw register data */ -+ uint32_t d32; -+ /** register bits */ -+ struct { -+ unsigned reserved : 20; -+ /** Power-On Programming Done */ -+ unsigned pwronprgdone : 1; -+ /** Clear Global OUT NAK */ -+ unsigned cgoutnak : 1; -+ /** Set Global OUT NAK */ -+ unsigned sgoutnak : 1; -+ /** Clear Global Non-Periodic IN NAK */ -+ unsigned cgnpinnak : 1; -+ /** Set Global Non-Periodic IN NAK */ -+ unsigned sgnpinnak : 1; -+ /** Test Control */ -+ unsigned tstctl : 3; -+ /** Global OUT NAK Status */ -+ unsigned goutnaksts : 1; -+ /** Global Non-Periodic IN NAK Status */ -+ unsigned gnpinnaksts : 1; -+ /** Soft Disconnect */ -+ unsigned sftdiscon : 1; -+ /** Remote Wakeup */ -+ unsigned rmtwkupsig : 1; -+ } b; -+} dctl_data_t; -+ -+/** -+ * This union represents the bit fields in the Device Status -+ * Register. Read the register into the <i>d32</i> member then -+ * set/clear the bits using the <i>b</i>it elements. -+ */ -+typedef union dsts_data -+{ -+ /** raw register data */ -+ uint32_t d32; -+ /** register bits */ -+ struct { -+ unsigned reserved22_31 : 10; -+ /** Frame or Microframe Number of the received SOF */ -+ unsigned soffn : 14; -+ unsigned reserved4_7: 4; -+ /** Erratic Error */ -+ unsigned errticerr : 1; -+ /** Enumerated Speed */ -+#define DWC_DSTS_ENUMSPD_HS_PHY_30MHZ_OR_60MHZ 0 -+#define DWC_DSTS_ENUMSPD_FS_PHY_30MHZ_OR_60MHZ 1 -+#define DWC_DSTS_ENUMSPD_LS_PHY_6MHZ 2 -+#define DWC_DSTS_ENUMSPD_FS_PHY_48MHZ 3 -+ unsigned enumspd : 2; -+ /** Suspend Status */ -+ unsigned suspsts : 1; -+ } b; -+} dsts_data_t; -+ -+ -+/** -+ * This union represents the bit fields in the Device IN EP Interrupt -+ * Register and the Device IN EP Common Mask Register. -+ * -+ * - Read the register into the <i>d32</i> member then set/clear the -+ * bits using the <i>b</i>it elements. -+ */ -+typedef union diepint_data -+{ -+ /** raw register data */ -+ uint32_t d32; -+ /** register bits */ -+ struct { -+ unsigned reserved07_31 : 23; -+ unsigned txfifoundrn : 1; -+ /** IN Endpoint HAK Effective mask */ -+ unsigned emptyintr : 1; -+ /** IN Endpoint NAK Effective mask */ -+ unsigned inepnakeff : 1; -+ /** IN Token Received with EP mismatch mask */ -+ unsigned intknepmis : 1; -+ /** IN Token received with TxF Empty mask */ -+ unsigned intktxfemp : 1; -+ /** TimeOUT Handshake mask (non-ISOC EPs) */ -+ unsigned timeout : 1; -+ /** AHB Error mask */ -+ unsigned ahberr : 1; -+ /** Endpoint disable mask */ -+ unsigned epdisabled : 1; -+ /** Transfer complete mask */ -+ unsigned xfercompl : 1; -+ } b; -+} diepint_data_t; -+/** -+ * This union represents the bit fields in the Device IN EP Common -+ * Interrupt Mask Register. -+ */ -+typedef union diepint_data diepmsk_data_t; -+ -+/** -+ * This union represents the bit fields in the Device OUT EP Interrupt -+ * Registerand Device OUT EP Common Interrupt Mask Register. -+ * -+ * - Read the register into the <i>d32</i> member then set/clear the -+ * bits using the <i>b</i>it elements. -+ */ -+typedef union doepint_data -+{ -+ /** raw register data */ -+ uint32_t d32; -+ /** register bits */ -+ struct { -+ unsigned reserved04_31 : 27; -+ /** OUT Token Received when Endpoint Disabled */ -+ unsigned outtknepdis : 1; -+ /** Setup Phase Done (contorl EPs) */ -+ unsigned setup : 1; -+ /** AHB Error */ -+ unsigned ahberr : 1; -+ /** Endpoint disable */ -+ unsigned epdisabled : 1; -+ /** Transfer complete */ -+ unsigned xfercompl : 1; -+ } b; -+} doepint_data_t; -+/** -+ * This union represents the bit fields in the Device OUT EP Common -+ * Interrupt Mask Register. -+ */ -+typedef union doepint_data doepmsk_data_t; -+ -+ -+/** -+ * This union represents the bit fields in the Device All EP Interrupt -+ * and Mask Registers. -+ * - Read the register into the <i>d32</i> member then set/clear the -+ * bits using the <i>b</i>it elements. -+ */ -+typedef union daint_data -+{ -+ /** raw register data */ -+ uint32_t d32; -+ /** register bits */ -+ struct { -+ /** OUT Endpoint bits */ -+ unsigned out : 16; -+ /** IN Endpoint bits */ -+ unsigned in : 16; -+ } ep; -+ struct { -+ /** OUT Endpoint bits */ -+ unsigned outep15 : 1; -+ unsigned outep14 : 1; -+ unsigned outep13 : 1; -+ unsigned outep12 : 1; -+ unsigned outep11 : 1; -+ unsigned outep10 : 1; -+ unsigned outep9 : 1; -+ unsigned outep8 : 1; -+ unsigned outep7 : 1; -+ unsigned outep6 : 1; -+ unsigned outep5 : 1; -+ unsigned outep4 : 1; -+ unsigned outep3 : 1; -+ unsigned outep2 : 1; -+ unsigned outep1 : 1; -+ unsigned outep0 : 1; -+ /** IN Endpoint bits */ -+ unsigned inep15 : 1; -+ unsigned inep14 : 1; -+ unsigned inep13 : 1; -+ unsigned inep12 : 1; -+ unsigned inep11 : 1; -+ unsigned inep10 : 1; -+ unsigned inep9 : 1; -+ unsigned inep8 : 1; -+ unsigned inep7 : 1; -+ unsigned inep6 : 1; -+ unsigned inep5 : 1; -+ unsigned inep4 : 1; -+ unsigned inep3 : 1; -+ unsigned inep2 : 1; -+ unsigned inep1 : 1; -+ unsigned inep0 : 1; -+ } b; -+} daint_data_t; -+ -+/** -+ * This union represents the bit fields in the Device IN Token Queue -+ * Read Registers. -+ * - Read the register into the <i>d32</i> member. -+ * - READ-ONLY Register -+ */ -+typedef union dtknq1_data -+{ -+ /** raw register data */ -+ uint32_t d32; -+ /** register bits */ -+ struct { -+ /** EP Numbers of IN Tokens 0 ... 4 */ -+ unsigned epnums0_5 : 24; -+ /** write pointer has wrapped. */ -+ unsigned wrap_bit : 1; -+ /** Reserved */ -+ unsigned reserved05_06 : 2; -+ /** In Token Queue Write Pointer */ -+ unsigned intknwptr : 5; -+ }b; -+} dtknq1_data_t; -+ -+/** -+ * This union represents Threshold control Register -+ * - Read and write the register into the <i>d32</i> member. -+ * - READ-WRITABLE Register -+ */ -+typedef union dthrctl_data //* /*fscz */ -+{ -+ /** raw register data */ -+ uint32_t d32; -+ /** register bits */ -+ struct { -+ /** Reserved */ -+ unsigned reserved26_31 : 6; -+ /** Rx Thr. Length */ -+ unsigned rx_thr_len : 9; -+ /** Rx Thr. Enable */ -+ unsigned rx_thr_en : 1; -+ /** Reserved */ -+ unsigned reserved11_15 : 5; -+ /** Tx Thr. Length */ -+ unsigned tx_thr_len : 9; -+ /** ISO Tx Thr. Enable */ -+ unsigned iso_thr_en : 1; -+ /** non ISO Tx Thr. Enable */ -+ unsigned non_iso_thr_en : 1; -+ -+ }b; -+} dthrctl_data_t; -+ -+/** -+ * Device Logical IN Endpoint-Specific Registers. <i>Offsets -+ * 900h-AFCh</i> -+ * -+ * There will be one set of endpoint registers per logical endpoint -+ * implemented. -+ * -+ * <i>These registers are visible only in Device mode and must not be -+ * accessed in Host mode, as the results are unknown.</i> -+ */ -+typedef struct dwc_otg_dev_in_ep_regs -+{ -+ /** Device IN Endpoint Control Register. <i>Offset:900h + -+ * (ep_num * 20h) + 00h</i> */ -+ volatile uint32_t diepctl; -+ /** Reserved. <i>Offset:900h + (ep_num * 20h) + 04h</i> */ -+ uint32_t reserved04; -+ /** Device IN Endpoint Interrupt Register. <i>Offset:900h + -+ * (ep_num * 20h) + 08h</i> */ -+ volatile uint32_t diepint; -+ /** Reserved. <i>Offset:900h + (ep_num * 20h) + 0Ch</i> */ -+ uint32_t reserved0C; -+ /** Device IN Endpoint Transfer Size -+ * Register. <i>Offset:900h + (ep_num * 20h) + 10h</i> */ -+ volatile uint32_t dieptsiz; -+ /** Device IN Endpoint DMA Address Register. <i>Offset:900h + -+ * (ep_num * 20h) + 14h</i> */ -+ volatile uint32_t diepdma; -+ /** Reserved. <i>Offset:900h + (ep_num * 20h) + 18h - 900h + -+ * (ep_num * 20h) + 1Ch</i>*/ -+ volatile uint32_t dtxfsts; -+ /** Reserved. <i>Offset:900h + (ep_num * 20h) + 1Ch - 900h + -+ * (ep_num * 20h) + 1Ch</i>*/ -+ uint32_t reserved18; -+} dwc_otg_dev_in_ep_regs_t; -+ -+/** -+ * Device Logical OUT Endpoint-Specific Registers. <i>Offsets: -+ * B00h-CFCh</i> -+ * -+ * There will be one set of endpoint registers per logical endpoint -+ * implemented. -+ * -+ * <i>These registers are visible only in Device mode and must not be -+ * accessed in Host mode, as the results are unknown.</i> -+ */ -+typedef struct dwc_otg_dev_out_ep_regs -+{ -+ /** Device OUT Endpoint Control Register. <i>Offset:B00h + -+ * (ep_num * 20h) + 00h</i> */ -+ volatile uint32_t doepctl; -+ /** Device OUT Endpoint Frame number Register. <i>Offset: -+ * B00h + (ep_num * 20h) + 04h</i> */ -+ volatile uint32_t doepfn; -+ /** Device OUT Endpoint Interrupt Register. <i>Offset:B00h + -+ * (ep_num * 20h) + 08h</i> */ -+ volatile uint32_t doepint; -+ /** Reserved. <i>Offset:B00h + (ep_num * 20h) + 0Ch</i> */ -+ uint32_t reserved0C; -+ /** Device OUT Endpoint Transfer Size Register. <i>Offset: -+ * B00h + (ep_num * 20h) + 10h</i> */ -+ volatile uint32_t doeptsiz; -+ /** Device OUT Endpoint DMA Address Register. <i>Offset:B00h -+ * + (ep_num * 20h) + 14h</i> */ -+ volatile uint32_t doepdma; -+ /** Reserved. <i>Offset:B00h + (ep_num * 20h) + 18h - B00h + -+ * (ep_num * 20h) + 1Ch</i> */ -+ uint32_t unused[2]; -+} dwc_otg_dev_out_ep_regs_t; -+ -+/** -+ * This union represents the bit fields in the Device EP Control -+ * Register. Read the register into the <i>d32</i> member then -+ * set/clear the bits using the <i>b</i>it elements. -+ */ -+typedef union depctl_data -+{ -+ /** raw register data */ -+ uint32_t d32; -+ /** register bits */ -+ struct { -+ /** Endpoint Enable */ -+ unsigned epena : 1; -+ /** Endpoint Disable */ -+ unsigned epdis : 1; -+ /** Set DATA1 PID (INTR/Bulk IN and OUT endpoints) -+ * Writing to this field sets the Endpoint DPID (DPID) -+ * field in this register to DATA1 Set Odd -+ * (micro)frame (SetOddFr) (ISO IN and OUT Endpoints) -+ * Writing to this field sets the Even/Odd -+ * (micro)frame (EO_FrNum) field to odd (micro) frame. -+ */ -+ unsigned setd1pid : 1; -+ /** Set DATA0 PID (INTR/Bulk IN and OUT endpoints) -+ * Writing to this field sets the Endpoint DPID (DPID) -+ * field in this register to DATA0. Set Even -+ * (micro)frame (SetEvenFr) (ISO IN and OUT Endpoints) -+ * Writing to this field sets the Even/Odd -+ * (micro)frame (EO_FrNum) field to even (micro) -+ * frame. -+ */ -+ unsigned setd0pid : 1; -+ /** Set NAK */ -+ unsigned snak : 1; -+ /** Clear NAK */ -+ unsigned cnak : 1; -+ /** Tx Fifo Number -+ * IN EPn/IN EP0 -+ * OUT EPn/OUT EP0 - reserved */ -+ unsigned txfnum : 4; -+ /** Stall Handshake */ -+ unsigned stall : 1; -+ /** Snoop Mode -+ * OUT EPn/OUT EP0 -+ * IN EPn/IN EP0 - reserved */ -+ unsigned snp : 1; -+ /** Endpoint Type -+ * 2'b00: Control -+ * 2'b01: Isochronous -+ * 2'b10: Bulk -+ * 2'b11: Interrupt */ -+ unsigned eptype : 2; -+ /** NAK Status */ -+ unsigned naksts : 1; -+ /** Endpoint DPID (INTR/Bulk IN and OUT endpoints) -+ * This field contains the PID of the packet going to -+ * be received or transmitted on this endpoint. The -+ * application should program the PID of the first -+ * packet going to be received or transmitted on this -+ * endpoint , after the endpoint is -+ * activated. Application use the SetD1PID and -+ * SetD0PID fields of this register to program either -+ * D0 or D1 PID. -+ * -+ * The encoding for this field is -+ * - 0: D0 -+ * - 1: D1 -+ */ -+ unsigned dpid : 1; -+ /** USB Active Endpoint */ -+ unsigned usbactep : 1; -+ /** Next Endpoint -+ * IN EPn/IN EP0 -+ * OUT EPn/OUT EP0 - reserved */ -+ unsigned nextep : 4; -+ /** Maximum Packet Size -+ * IN/OUT EPn -+ * IN/OUT EP0 - 2 bits -+ * 2'b00: 64 Bytes -+ * 2'b01: 32 -+ * 2'b10: 16 -+ * 2'b11: 8 */ -+#define DWC_DEP0CTL_MPS_64 0 -+#define DWC_DEP0CTL_MPS_32 1 -+#define DWC_DEP0CTL_MPS_16 2 -+#define DWC_DEP0CTL_MPS_8 3 -+ unsigned mps : 11; -+ } b; -+} depctl_data_t; -+ -+/** -+ * This union represents the bit fields in the Device EP Transfer -+ * Size Register. Read the register into the <i>d32</i> member then -+ * set/clear the bits using the <i>b</i>it elements. -+ */ -+typedef union deptsiz_data -+{ -+ /** raw register data */ -+ uint32_t d32; -+ /** register bits */ -+ struct { -+ unsigned reserved : 1; -+ /** Multi Count - Periodic IN endpoints */ -+ unsigned mc : 2; -+ /** Packet Count */ -+ unsigned pktcnt : 10; -+ /** Transfer size */ -+ unsigned xfersize : 19; -+ } b; -+} deptsiz_data_t; -+ -+/** -+ * This union represents the bit fields in the Device EP 0 Transfer -+ * Size Register. Read the register into the <i>d32</i> member then -+ * set/clear the bits using the <i>b</i>it elements. -+ */ -+typedef union deptsiz0_data -+{ -+ /** raw register data */ -+ uint32_t d32; -+ /** register bits */ -+ struct { -+ unsigned reserved31 : 1; -+ /**Setup Packet Count (DOEPTSIZ0 Only) */ -+ unsigned supcnt : 2; -+ /** Reserved */ -+ unsigned reserved28_20 : 9; -+ /** Packet Count */ -+ unsigned pktcnt : 1; -+ /** Reserved */ -+ unsigned reserved18_7 : 12; -+ /** Transfer size */ -+ unsigned xfersize : 7; -+ } b; -+} deptsiz0_data_t; -+ -+ -+/** Maximum number of Periodic FIFOs */ -+#define MAX_PERIO_FIFOS 15 -+/** Maximum number of TX FIFOs */ -+#define MAX_TX_FIFOS 15 -+/** Maximum number of Endpoints/HostChannels */ -+#define MAX_EPS_CHANNELS 16 -+//#define MAX_EPS_CHANNELS 4 -+ -+/** -+ * The dwc_otg_dev_if structure contains information needed to manage -+ * the DWC_otg controller acting in device mode. It represents the -+ * programming view of the device-specific aspects of the controller. -+ */ -+typedef struct dwc_otg_dev_if { -+ /** Pointer to device Global registers. -+ * Device Global Registers starting at offset 800h -+ */ -+ dwc_otg_device_global_regs_t *dev_global_regs; -+#define DWC_DEV_GLOBAL_REG_OFFSET 0x800 -+ -+ /** -+ * Device Logical IN Endpoint-Specific Registers 900h-AFCh -+ */ -+ dwc_otg_dev_in_ep_regs_t *in_ep_regs[MAX_EPS_CHANNELS]; -+#define DWC_DEV_IN_EP_REG_OFFSET 0x900 -+#define DWC_EP_REG_OFFSET 0x20 -+ -+ /** Device Logical OUT Endpoint-Specific Registers B00h-CFCh */ -+ dwc_otg_dev_out_ep_regs_t *out_ep_regs[MAX_EPS_CHANNELS]; -+#define DWC_DEV_OUT_EP_REG_OFFSET 0xB00 -+ -+ /* Device configuration information*/ -+ uint8_t speed; /**< Device Speed 0: Unknown, 1: LS, 2:FS, 3: HS */ -+ //uint8_t num_eps; /**< Number of EPs range: 0-16 (includes EP0) */ -+ //uint8_t num_perio_eps; /**< # of Periodic EP range: 0-15 */ -+ /*fscz */ -+ uint8_t num_in_eps; /**< Number # of Tx EP range: 0-15 exept ep0 */ -+ uint8_t num_out_eps; /**< Number # of Rx EP range: 0-15 exept ep 0*/ -+ -+ /** Size of periodic FIFOs (Bytes) */ -+ uint16_t perio_tx_fifo_size[MAX_PERIO_FIFOS]; -+ -+ /** Size of Tx FIFOs (Bytes) */ -+ uint16_t tx_fifo_size[MAX_TX_FIFOS]; -+ -+ /** Thresholding enable flags and length varaiables **/ -+ uint16_t rx_thr_en; -+ uint16_t iso_tx_thr_en; -+ uint16_t non_iso_tx_thr_en; -+ -+ uint16_t rx_thr_length; -+ uint16_t tx_thr_length; -+} dwc_otg_dev_if_t; -+ -+/** -+ * This union represents the bit fields in the Power and Clock Gating Control -+ * Register. Read the register into the <i>d32</i> member then set/clear the -+ * bits using the <i>b</i>it elements. -+ */ -+typedef union pcgcctl_data -+{ -+ /** raw register data */ -+ uint32_t d32; -+ -+ /** register bits */ -+ struct { -+ unsigned reserved31_05 : 27; -+ /** PHY Suspended */ -+ unsigned physuspended : 1; -+ /** Reset Power Down Modules */ -+ unsigned rstpdwnmodule : 1; -+ /** Power Clamp */ -+ unsigned pwrclmp : 1; -+ /** Gate Hclk */ -+ unsigned gatehclk : 1; -+ /** Stop Pclk */ -+ unsigned stoppclk : 1; -+ } b; -+} pcgcctl_data_t; -+ -+///////////////////////////////////////////////// -+// Host Mode Register Structures -+// -+/** -+ * The Host Global Registers structure defines the size and relative -+ * field offsets for the Host Mode Global Registers. Host Global -+ * Registers offsets 400h-7FFh. -+*/ -+typedef struct dwc_otg_host_global_regs -+{ -+ /** Host Configuration Register. <i>Offset: 400h</i> */ -+ volatile uint32_t hcfg; -+ /** Host Frame Interval Register. <i>Offset: 404h</i> */ -+ volatile uint32_t hfir; -+ /** Host Frame Number / Frame Remaining Register. <i>Offset: 408h</i> */ -+ volatile uint32_t hfnum; -+ /** Reserved. <i>Offset: 40Ch</i> */ -+ uint32_t reserved40C; -+ /** Host Periodic Transmit FIFO/ Queue Status Register. <i>Offset: 410h</i> */ -+ volatile uint32_t hptxsts; -+ /** Host All Channels Interrupt Register. <i>Offset: 414h</i> */ -+ volatile uint32_t haint; -+ /** Host All Channels Interrupt Mask Register. <i>Offset: 418h</i> */ -+ volatile uint32_t haintmsk; -+} dwc_otg_host_global_regs_t; -+ -+/** -+ * This union represents the bit fields in the Host Configuration Register. -+ * Read the register into the <i>d32</i> member then set/clear the bits using -+ * the <i>b</i>it elements. Write the <i>d32</i> member to the hcfg register. -+ */ -+typedef union hcfg_data -+{ -+ /** raw register data */ -+ uint32_t d32; -+ -+ /** register bits */ -+ struct { -+ /** Reserved */ -+ //unsigned reserved31_03 : 29; -+ /** FS/LS Only Support */ -+ unsigned fslssupp : 1; -+ /** FS/LS Phy Clock Select */ -+#define DWC_HCFG_30_60_MHZ 0 -+#define DWC_HCFG_48_MHZ 1 -+#define DWC_HCFG_6_MHZ 2 -+ unsigned fslspclksel : 2; -+ } b; -+} hcfg_data_t; -+ -+/** -+ * This union represents the bit fields in the Host Frame Remaing/Number -+ * Register. -+ */ -+typedef union hfir_data -+{ -+ /** raw register data */ -+ uint32_t d32; -+ -+ /** register bits */ -+ struct { -+ unsigned reserved : 16; -+ unsigned frint : 16; -+ } b; -+} hfir_data_t; -+ -+/** -+ * This union represents the bit fields in the Host Frame Remaing/Number -+ * Register. -+ */ -+typedef union hfnum_data -+{ -+ /** raw register data */ -+ uint32_t d32; -+ -+ /** register bits */ -+ struct { -+ unsigned frrem : 16; -+#define DWC_HFNUM_MAX_FRNUM 0x3FFF -+ unsigned frnum : 16; -+ } b; -+} hfnum_data_t; -+ -+typedef union hptxsts_data -+{ -+ /** raw register data */ -+ uint32_t d32; -+ -+ /** register bits */ -+ struct { -+ /** Top of the Periodic Transmit Request Queue -+ * - bit 24 - Terminate (last entry for the selected channel) -+ * - bits 26:25 - Token Type -+ * - 2'b00 - Zero length -+ * - 2'b01 - Ping -+ * - 2'b10 - Disable -+ * - bits 30:27 - Channel Number -+ * - bit 31 - Odd/even microframe -+ */ -+ unsigned ptxqtop_odd : 1; -+ unsigned ptxqtop_chnum : 4; -+ unsigned ptxqtop_token : 2; -+ unsigned ptxqtop_terminate : 1; -+ unsigned ptxqspcavail : 8; -+ unsigned ptxfspcavail : 16; -+ } b; -+} hptxsts_data_t; -+ -+/** -+ * This union represents the bit fields in the Host Port Control and Status -+ * Register. Read the register into the <i>d32</i> member then set/clear the -+ * bits using the <i>b</i>it elements. Write the <i>d32</i> member to the -+ * hprt0 register. -+ */ -+typedef union hprt0_data -+{ -+ /** raw register data */ -+ uint32_t d32; -+ /** register bits */ -+ struct { -+ unsigned reserved19_31 : 13; -+#define DWC_HPRT0_PRTSPD_HIGH_SPEED 0 -+#define DWC_HPRT0_PRTSPD_FULL_SPEED 1 -+#define DWC_HPRT0_PRTSPD_LOW_SPEED 2 -+ unsigned prtspd : 2; -+ unsigned prttstctl : 4; -+ unsigned prtpwr : 1; -+ unsigned prtlnsts : 2; -+ unsigned reserved9 : 1; -+ unsigned prtrst : 1; -+ unsigned prtsusp : 1; -+ unsigned prtres : 1; -+ unsigned prtovrcurrchng : 1; -+ unsigned prtovrcurract : 1; -+ unsigned prtenchng : 1; -+ unsigned prtena : 1; -+ unsigned prtconndet : 1; -+ unsigned prtconnsts : 1; -+ } b; -+} hprt0_data_t; -+ -+/** -+ * This union represents the bit fields in the Host All Interrupt -+ * Register. -+ */ -+typedef union haint_data -+{ -+ /** raw register data */ -+ uint32_t d32; -+ /** register bits */ -+ struct { -+ unsigned reserved : 16; -+ unsigned ch15 : 1; -+ unsigned ch14 : 1; -+ unsigned ch13 : 1; -+ unsigned ch12 : 1; -+ unsigned ch11 : 1; -+ unsigned ch10 : 1; -+ unsigned ch9 : 1; -+ unsigned ch8 : 1; -+ unsigned ch7 : 1; -+ unsigned ch6 : 1; -+ unsigned ch5 : 1; -+ unsigned ch4 : 1; -+ unsigned ch3 : 1; -+ unsigned ch2 : 1; -+ unsigned ch1 : 1; -+ unsigned ch0 : 1; -+ } b; -+ struct { -+ unsigned reserved : 16; -+ unsigned chint : 16; -+ } b2; -+} haint_data_t; -+ -+/** -+ * This union represents the bit fields in the Host All Interrupt -+ * Register. -+ */ -+typedef union haintmsk_data -+{ -+ /** raw register data */ -+ uint32_t d32; -+ /** register bits */ -+ struct { -+ unsigned reserved : 16; -+ unsigned ch15 : 1; -+ unsigned ch14 : 1; -+ unsigned ch13 : 1; -+ unsigned ch12 : 1; -+ unsigned ch11 : 1; -+ unsigned ch10 : 1; -+ unsigned ch9 : 1; -+ unsigned ch8 : 1; -+ unsigned ch7 : 1; -+ unsigned ch6 : 1; -+ unsigned ch5 : 1; -+ unsigned ch4 : 1; -+ unsigned ch3 : 1; -+ unsigned ch2 : 1; -+ unsigned ch1 : 1; -+ unsigned ch0 : 1; -+ } b; -+ struct { -+ unsigned reserved : 16; -+ unsigned chint : 16; -+ } b2; -+} haintmsk_data_t; -+ -+/** -+ * Host Channel Specific Registers. <i>500h-5FCh</i> -+ */ -+typedef struct dwc_otg_hc_regs -+{ -+ /** Host Channel 0 Characteristic Register. <i>Offset: 500h + (chan_num * 20h) + 00h</i> */ -+ volatile uint32_t hcchar; -+ /** Host Channel 0 Split Control Register. <i>Offset: 500h + (chan_num * 20h) + 04h</i> */ -+ volatile uint32_t hcsplt; -+ /** Host Channel 0 Interrupt Register. <i>Offset: 500h + (chan_num * 20h) + 08h</i> */ -+ volatile uint32_t hcint; -+ /** Host Channel 0 Interrupt Mask Register. <i>Offset: 500h + (chan_num * 20h) + 0Ch</i> */ -+ volatile uint32_t hcintmsk; -+ /** Host Channel 0 Transfer Size Register. <i>Offset: 500h + (chan_num * 20h) + 10h</i> */ -+ volatile uint32_t hctsiz; -+ /** Host Channel 0 DMA Address Register. <i>Offset: 500h + (chan_num * 20h) + 14h</i> */ -+ volatile uint32_t hcdma; -+ /** Reserved. <i>Offset: 500h + (chan_num * 20h) + 18h - 500h + (chan_num * 20h) + 1Ch</i> */ -+ uint32_t reserved[2]; -+} dwc_otg_hc_regs_t; -+ -+/** -+ * This union represents the bit fields in the Host Channel Characteristics -+ * Register. Read the register into the <i>d32</i> member then set/clear the -+ * bits using the <i>b</i>it elements. Write the <i>d32</i> member to the -+ * hcchar register. -+ */ -+typedef union hcchar_data -+{ -+ /** raw register data */ -+ uint32_t d32; -+ -+ /** register bits */ -+ struct { -+ /** Channel enable */ -+ unsigned chen : 1; -+ /** Channel disable */ -+ unsigned chdis : 1; -+ /** -+ * Frame to transmit periodic transaction. -+ * 0: even, 1: odd -+ */ -+ unsigned oddfrm : 1; -+ /** Device address */ -+ unsigned devaddr : 7; -+ /** Packets per frame for periodic transfers. 0 is reserved. */ -+ unsigned multicnt : 2; -+ /** 0: Control, 1: Isoc, 2: Bulk, 3: Intr */ -+ unsigned eptype : 2; -+ /** 0: Full/high speed device, 1: Low speed device */ -+ unsigned lspddev : 1; -+ unsigned reserved : 1; -+ /** 0: OUT, 1: IN */ -+ unsigned epdir : 1; -+ /** Endpoint number */ -+ unsigned epnum : 4; -+ /** Maximum packet size in bytes */ -+ unsigned mps : 11; -+ } b; -+} hcchar_data_t; -+ -+typedef union hcsplt_data -+{ -+ /** raw register data */ -+ uint32_t d32; -+ -+ /** register bits */ -+ struct { -+ /** Split Enble */ -+ unsigned spltena : 1; -+ /** Reserved */ -+ unsigned reserved : 14; -+ /** Do Complete Split */ -+ unsigned compsplt : 1; -+ /** Transaction Position */ -+#define DWC_HCSPLIT_XACTPOS_MID 0 -+#define DWC_HCSPLIT_XACTPOS_END 1 -+#define DWC_HCSPLIT_XACTPOS_BEGIN 2 -+#define DWC_HCSPLIT_XACTPOS_ALL 3 -+ unsigned xactpos : 2; -+ /** Hub Address */ -+ unsigned hubaddr : 7; -+ /** Port Address */ -+ unsigned prtaddr : 7; -+ } b; -+} hcsplt_data_t; -+ -+ -+/** -+ * This union represents the bit fields in the Host All Interrupt -+ * Register. -+ */ -+typedef union hcint_data -+{ -+ /** raw register data */ -+ uint32_t d32; -+ /** register bits */ -+ struct { -+ /** Reserved */ -+ unsigned reserved : 21; -+ /** Data Toggle Error */ -+ unsigned datatglerr : 1; -+ /** Frame Overrun */ -+ unsigned frmovrun : 1; -+ /** Babble Error */ -+ unsigned bblerr : 1; -+ /** Transaction Err */ -+ unsigned xacterr : 1; -+ /** NYET Response Received */ -+ unsigned nyet : 1; -+ /** ACK Response Received */ -+ unsigned ack : 1; -+ /** NAK Response Received */ -+ unsigned nak : 1; -+ /** STALL Response Received */ -+ unsigned stall : 1; -+ /** AHB Error */ -+ unsigned ahberr : 1; -+ /** Channel Halted */ -+ unsigned chhltd : 1; -+ /** Transfer Complete */ -+ unsigned xfercomp : 1; -+ } b; -+} hcint_data_t; -+ -+/** -+ * This union represents the bit fields in the Host Channel Transfer Size -+ * Register. Read the register into the <i>d32</i> member then set/clear the -+ * bits using the <i>b</i>it elements. Write the <i>d32</i> member to the -+ * hcchar register. -+ */ -+typedef union hctsiz_data -+{ -+ /** raw register data */ -+ uint32_t d32; -+ -+ /** register bits */ -+ struct { -+ /** Do PING protocol when 1 */ -+ unsigned dopng : 1; -+ /** -+ * Packet ID for next data packet -+ * 0: DATA0 -+ * 1: DATA2 -+ * 2: DATA1 -+ * 3: MDATA (non-Control), SETUP (Control) -+ */ -+#define DWC_HCTSIZ_DATA0 0 -+#define DWC_HCTSIZ_DATA1 2 -+#define DWC_HCTSIZ_DATA2 1 -+#define DWC_HCTSIZ_MDATA 3 -+#define DWC_HCTSIZ_SETUP 3 -+ unsigned pid : 2; -+ /** Data packets to transfer */ -+ unsigned pktcnt : 10; -+ /** Total transfer size in bytes */ -+ unsigned xfersize : 19; -+ } b; -+} hctsiz_data_t; -+ -+/** -+ * This union represents the bit fields in the Host Channel Interrupt Mask -+ * Register. Read the register into the <i>d32</i> member then set/clear the -+ * bits using the <i>b</i>it elements. Write the <i>d32</i> member to the -+ * hcintmsk register. -+ */ -+typedef union hcintmsk_data -+{ -+ /** raw register data */ -+ uint32_t d32; -+ -+ /** register bits */ -+ struct { -+ unsigned reserved : 21; -+ unsigned datatglerr : 1; -+ unsigned frmovrun : 1; -+ unsigned bblerr : 1; -+ unsigned xacterr : 1; -+ unsigned nyet : 1; -+ unsigned ack : 1; -+ unsigned nak : 1; -+ unsigned stall : 1; -+ unsigned ahberr : 1; -+ unsigned chhltd : 1; -+ unsigned xfercompl : 1; -+ } b; -+} hcintmsk_data_t; -+ -+/** OTG Host Interface Structure. -+ * -+ * The OTG Host Interface Structure structure contains information -+ * needed to manage the DWC_otg controller acting in host mode. It -+ * represents the programming view of the host-specific aspects of the -+ * controller. -+ */ -+typedef struct dwc_otg_host_if { -+ /** Host Global Registers starting at offset 400h.*/ -+ dwc_otg_host_global_regs_t *host_global_regs; -+#define DWC_OTG_HOST_GLOBAL_REG_OFFSET 0x400 -+ -+ /** Host Port 0 Control and Status Register */ -+ volatile uint32_t *hprt0; -+#define DWC_OTG_HOST_PORT_REGS_OFFSET 0x440 -+ -+ -+ /** Host Channel Specific Registers at offsets 500h-5FCh. */ -+ dwc_otg_hc_regs_t *hc_regs[MAX_EPS_CHANNELS]; -+#define DWC_OTG_HOST_CHAN_REGS_OFFSET 0x500 -+#define DWC_OTG_CHAN_REGS_OFFSET 0x20 -+ -+ -+ /* Host configuration information */ -+ /** Number of Host Channels (range: 1-16) */ -+ uint8_t num_host_channels; -+ /** Periodic EPs supported (0: no, 1: yes) */ -+ uint8_t perio_eps_supported; -+ /** Periodic Tx FIFO Size (Only 1 host periodic Tx FIFO) */ -+ uint16_t perio_tx_fifo_size; -+ -+} dwc_otg_host_if_t; -+ -+#endif ---- a/arch/mips/lantiq/xway/Makefile -+++ b/arch/mips/lantiq/xway/Makefile -@@ -6,3 +6,4 @@ - obj-$(CONFIG_LANTIQ_MACH_EASY50712) += mach-easy50712.o - obj-$(CONFIG_LANTIQ_MACH_EASY50601) += mach-easy50601.o - obj-$(CONFIG_LANTIQ_MACH_ARV45XX) += mach-arv45xx.o -+obj-y += dev-dwc_otg.o ---- /dev/null -+++ b/arch/mips/lantiq/xway/dev-dwc_otg.c -@@ -0,0 +1,68 @@ -+/* -+ * This program is free software; you can redistribute it and/or modify -+ * it under the terms of the GNU General Public License as published by -+ * the Free Software Foundation; either version 2 of the License, or -+ * (at your option) any later version. -+ * -+ * Copyright (C) 2010 John Crispin <blogic@openwrt.org> -+ */ -+ -+#include <linux/init.h> -+#include <linux/module.h> -+#include <linux/types.h> -+#include <linux/string.h> -+#include <linux/mtd/physmap.h> -+#include <linux/kernel.h> -+#include <linux/reboot.h> -+#include <linux/platform_device.h> -+#include <linux/leds.h> -+#include <linux/etherdevice.h> -+#include <linux/reboot.h> -+#include <linux/time.h> -+#include <linux/io.h> -+#include <linux/gpio.h> -+#include <linux/leds.h> -+ -+#include <asm/bootinfo.h> -+#include <asm/irq.h> -+ -+#include <lantiq_soc.h> -+#include <lantiq_irq.h> -+#include <lantiq_platform.h> -+ -+#define LTQ_USB_IOMEM_BASE 0x1e101000 -+#define LTQ_USB_IOMEM_SIZE 0x00001000 -+ -+static struct resource resources[] = -+{ -+ [0] = { -+ .name = "dwc_otg_membase", -+ .start = LTQ_USB_IOMEM_BASE, -+ .end = LTQ_USB_IOMEM_BASE + LTQ_USB_IOMEM_SIZE - 1, -+ .flags = IORESOURCE_MEM, -+ }, -+ [1] = { -+ .name = "dwc_otg_irq", -+ .start = LTQ_USB_INT, -+ .flags = IORESOURCE_IRQ, -+ }, -+}; -+ -+static u64 dwc_dmamask = (u32)0x1fffffff; -+ -+static struct platform_device platform_dev = { -+ .name = "dwc_otg", -+ .dev = { -+ .dma_mask = &dwc_dmamask, -+ }, -+ .resource = resources, -+ .num_resources = ARRAY_SIZE(resources), -+}; -+ -+int __init -+xway_register_dwc(int pin) -+{ -+ ltq_enable_irq(resources[1].start); -+ platform_dev.dev.platform_data = (void*) pin; -+ return platform_device_register(&platform_dev); -+} ---- /dev/null -+++ b/arch/mips/lantiq/xway/dev-dwc_otg.h -@@ -0,0 +1,17 @@ -+/* -+ * This program is free software; you can redistribute it and/or modify -+ * it under the terms of the GNU General Public License as published by -+ * the Free Software Foundation; either version 2 of the License, or -+ * (at your option) any later version. -+ * -+ * Copyright (C) 2010 John Crispin <blogic@openwrt.org> -+ */ -+ -+#ifndef _LTQ_DEV_DWC_H__ -+#define _LTQ_DEV_DWC_H__ -+ -+#include <lantiq_platform.h> -+ -+extern void __init xway_register_dwc(int pin); -+ -+#endif ---- a/drivers/usb/core/hub.c -+++ b/drivers/usb/core/hub.c -@@ -2704,11 +2704,11 @@ - udev->ttport = hdev->ttport; - } else if (udev->speed != USB_SPEED_HIGH - && hdev->speed == USB_SPEED_HIGH) { -- if (!hub->tt.hub) { -+/* if (!hub->tt.hub) { - dev_err(&udev->dev, "parent hub has no TT\n"); - retval = -EINVAL; - goto fail; -- } -+ }*/ - udev->tt = &hub->tt; - udev->ttport = port1; - } |