summaryrefslogtreecommitdiff
path: root/target/linux/s3c24xx/patches-2.6.24/1014-gta01-power_control.patch.patch
diff options
context:
space:
mode:
Diffstat (limited to 'target/linux/s3c24xx/patches-2.6.24/1014-gta01-power_control.patch.patch')
-rw-r--r--target/linux/s3c24xx/patches-2.6.24/1014-gta01-power_control.patch.patch976
1 files changed, 0 insertions, 976 deletions
diff --git a/target/linux/s3c24xx/patches-2.6.24/1014-gta01-power_control.patch.patch b/target/linux/s3c24xx/patches-2.6.24/1014-gta01-power_control.patch.patch
deleted file mode 100644
index e1889aa..0000000
--- a/target/linux/s3c24xx/patches-2.6.24/1014-gta01-power_control.patch.patch
+++ /dev/null
@@ -1,976 +0,0 @@
-From b627ce9e57a5263ddcc4e6db49625057b6461ad3 Mon Sep 17 00:00:00 2001
-From: mokopatches <mokopatches@openmoko.org>
-Date: Fri, 4 Apr 2008 11:31:35 +0100
-Subject: [PATCH] gta01-power_control.patch
- [PATCH] Neo1973 GPS / GSM / Bluetooth power control via sysfs
-
-Signed-off-by: Harald Welte <laforge@openmoko.org>
----
- arch/arm/plat-s3c24xx/Makefile | 1 +
- arch/arm/plat-s3c24xx/neo1973_pm_bt.c | 152 +++++++++
- arch/arm/plat-s3c24xx/neo1973_pm_gps.c | 560 ++++++++++++++++++++++++++++++++
- arch/arm/plat-s3c24xx/neo1973_pm_gsm.c | 217 ++++++++++++
- 4 files changed, 930 insertions(+), 0 deletions(-)
- create mode 100644 arch/arm/plat-s3c24xx/neo1973_pm_bt.c
- create mode 100644 arch/arm/plat-s3c24xx/neo1973_pm_gps.c
- create mode 100644 arch/arm/plat-s3c24xx/neo1973_pm_gsm.c
-
-diff --git a/arch/arm/plat-s3c24xx/Makefile b/arch/arm/plat-s3c24xx/Makefile
-index 8e5ccaa..7192912 100644
---- a/arch/arm/plat-s3c24xx/Makefile
-+++ b/arch/arm/plat-s3c24xx/Makefile
-@@ -28,3 +28,4 @@ obj-$(CONFIG_PM) += pm.o
- obj-$(CONFIG_PM) += sleep.o
- obj-$(CONFIG_S3C2410_DMA) += dma.o
- obj-$(CONFIG_MACH_SMDK) += common-smdk.o
-+obj-$(CONFIG_MACH_NEO1973) += neo1973_pm_gsm.o neo1973_pm_gps.o neo1973_pm_bt.o
-diff --git a/arch/arm/plat-s3c24xx/neo1973_pm_bt.c b/arch/arm/plat-s3c24xx/neo1973_pm_bt.c
-new file mode 100644
-index 0000000..b1af441
---- /dev/null
-+++ b/arch/arm/plat-s3c24xx/neo1973_pm_bt.c
-@@ -0,0 +1,152 @@
-+/*
-+ * Bluetooth PM code for the FIC Neo1973 GSM Phone
-+ *
-+ * (C) 2007 by OpenMoko Inc.
-+ * Author: Harald Welte <laforge@openmoko.org>
-+ * All rights reserved.
-+ *
-+ * This program is free software; you can redistribute it and/or modify
-+ * it under the terms of the GNU General Public License version 2 as
-+ * published by the Free Software Foundation
-+ *
-+ */
-+
-+#include <linux/module.h>
-+#include <linux/init.h>
-+#include <linux/kernel.h>
-+#include <linux/platform_device.h>
-+
-+#include <linux/pcf50606.h>
-+
-+#include <asm/hardware.h>
-+#include <asm/arch/gta01.h>
-+
-+#define DRVMSG "FIC Neo1973 Bluetooth Power Management"
-+
-+static ssize_t bt_read(struct device *dev, struct device_attribute *attr,
-+ char *buf)
-+{
-+ if (!strcmp(attr->attr.name, "power_on")) {
-+ if (pcf50606_onoff_get(pcf50606_global,
-+ PCF50606_REGULATOR_D1REG) &&
-+ pcf50606_voltage_get(pcf50606_global,
-+ PCF50606_REGULATOR_D1REG) == 3100)
-+ goto out_1;
-+ } else if (!strcmp(attr->attr.name, "reset")) {
-+ if (s3c2410_gpio_getpin(GTA01_GPIO_BT_EN) == 0)
-+ goto out_1;
-+ }
-+
-+ return strlcpy(buf, "0\n", 3);
-+out_1:
-+ return strlcpy(buf, "1\n", 3);
-+}
-+
-+static ssize_t bt_write(struct device *dev, struct device_attribute *attr,
-+ const char *buf, size_t count)
-+{
-+ unsigned long on = simple_strtoul(buf, NULL, 10);
-+
-+ if (!strcmp(attr->attr.name, "power_on")) {
-+ /* if we are powering up, assert reset, then power, then
-+ * release reset */
-+ if (on) {
-+ s3c2410_gpio_setpin(GTA01_GPIO_BT_EN, 0);
-+ pcf50606_voltage_set(pcf50606_global,
-+ PCF50606_REGULATOR_D1REG,
-+ 3100);
-+ }
-+ pcf50606_onoff_set(pcf50606_global,
-+ PCF50606_REGULATOR_D1REG, on);
-+ s3c2410_gpio_setpin(GTA01_GPIO_BT_EN, on);
-+ } else if (!strcmp(attr->attr.name, "reset")) {
-+ /* reset is low-active, so we need to invert */
-+ s3c2410_gpio_setpin(GTA01_GPIO_BT_EN, on ? 0 : 1);
-+ }
-+
-+ return count;
-+}
-+
-+static DEVICE_ATTR(power_on, 0644, bt_read, bt_write);
-+static DEVICE_ATTR(reset, 0644, bt_read, bt_write);
-+
-+#ifdef CONFIG_PM
-+static int gta01_bt_suspend(struct platform_device *pdev, pm_message_t state)
-+{
-+ dev_dbg(&pdev->dev, DRVMSG ": suspending\n");
-+ /* FIXME: The PMU should save the PMU status, and the GPIO code should
-+ * preserve the GPIO level, so there shouldn't be anything left to do
-+ * for us, should there? */
-+
-+ return 0;
-+}
-+
-+static int gta01_bt_resume(struct platform_device *pdev)
-+{
-+ dev_dbg(&pdev->dev, DRVMSG ": resuming\n");
-+
-+ return 0;
-+}
-+#else
-+#define gta01_bt_suspend NULL
-+#define gta01_bt_resume NULL
-+#endif
-+
-+static struct attribute *gta01_bt_sysfs_entries[] = {
-+ &dev_attr_power_on.attr,
-+ &dev_attr_reset.attr,
-+ NULL
-+};
-+
-+static struct attribute_group gta01_bt_attr_group = {
-+ .name = NULL,
-+ .attrs = gta01_bt_sysfs_entries,
-+};
-+
-+static int __init gta01_bt_probe(struct platform_device *pdev)
-+{
-+ dev_info(&pdev->dev, DRVMSG ": starting\n");
-+
-+ /* we make sure that the voltage is off */
-+ pcf50606_onoff_set(pcf50606_global,
-+ PCF50606_REGULATOR_D1REG, 0);
-+ /* we pull reset to low to make sure that the chip doesn't
-+ * drain power through the reset line */
-+ s3c2410_gpio_setpin(GTA01_GPIO_BT_EN, 0);
-+
-+ return sysfs_create_group(&pdev->dev.kobj, &gta01_bt_attr_group);
-+}
-+
-+static int gta01_bt_remove(struct platform_device *pdev)
-+{
-+ sysfs_remove_group(&pdev->dev.kobj, &gta01_bt_attr_group);
-+
-+ return 0;
-+}
-+
-+static struct platform_driver gta01_bt_driver = {
-+ .probe = gta01_bt_probe,
-+ .remove = gta01_bt_remove,
-+ .suspend = gta01_bt_suspend,
-+ .resume = gta01_bt_resume,
-+ .driver = {
-+ .name = "neo1973-pm-bt",
-+ },
-+};
-+
-+static int __devinit gta01_bt_init(void)
-+{
-+ return platform_driver_register(&gta01_bt_driver);
-+}
-+
-+static void gta01_bt_exit(void)
-+{
-+ platform_driver_unregister(&gta01_bt_driver);
-+}
-+
-+module_init(gta01_bt_init);
-+module_exit(gta01_bt_exit);
-+
-+MODULE_LICENSE("GPL");
-+MODULE_AUTHOR("Harald Welte <laforge@openmoko.org>");
-+MODULE_DESCRIPTION(DRVMSG);
-diff --git a/arch/arm/plat-s3c24xx/neo1973_pm_gps.c b/arch/arm/plat-s3c24xx/neo1973_pm_gps.c
-new file mode 100644
-index 0000000..f8cf719
---- /dev/null
-+++ b/arch/arm/plat-s3c24xx/neo1973_pm_gps.c
-@@ -0,0 +1,560 @@
-+/*
-+ * GPS Power Management code for the FIC Neo1973 GSM Phone
-+ *
-+ * (C) 2007 by OpenMoko Inc.
-+ * Author: Harald Welte <laforge@openmoko.org>
-+ * All rights reserved.
-+ *
-+ * This program is free software; you can redistribute it and/or modify
-+ * it under the terms of the GNU General Public License version 2 as
-+ * published by the Free Software Foundation
-+ *
-+ */
-+
-+#include <linux/module.h>
-+#include <linux/init.h>
-+#include <linux/kernel.h>
-+#include <linux/delay.h>
-+#include <linux/platform_device.h>
-+
-+#include <linux/pcf50606.h>
-+
-+#include <asm/hardware.h>
-+#include <asm/arch/gta01.h>
-+
-+/* This is the 2.8V supply for the RTC crystal, the mail clock crystal and
-+ * the input to VDD_RF */
-+static void gps_power_2v8_set(int on)
-+{
-+ switch (system_rev) {
-+ case GTA01v3_SYSTEM_REV:
-+ case GTA01v4_SYSTEM_REV:
-+ if (on)
-+ pcf50606_voltage_set(pcf50606_global,
-+ PCF50606_REGULATOR_IOREG, 2800);
-+ pcf50606_onoff_set(pcf50606_global,
-+ PCF50606_REGULATOR_IOREG, on);
-+ break;
-+ case GTA01Bv2_SYSTEM_REV:
-+ s3c2410_gpio_setpin(GTA01_GPIO_GPS_EN_2V8, on);
-+ break;
-+ case GTA01Bv3_SYSTEM_REV:
-+ case GTA01Bv4_SYSTEM_REV:
-+ break;
-+ }
-+}
-+
-+static int gps_power_2v8_get(void)
-+{
-+ int ret = 0;
-+
-+ switch (system_rev) {
-+ case GTA01v3_SYSTEM_REV:
-+ case GTA01v4_SYSTEM_REV:
-+ if (pcf50606_onoff_get(pcf50606_global,
-+ PCF50606_REGULATOR_IOREG) &&
-+ pcf50606_voltage_get(pcf50606_global,
-+ PCF50606_REGULATOR_IOREG) == 2800)
-+ ret = 1;
-+ break;
-+ case GTA01Bv2_SYSTEM_REV:
-+ if (s3c2410_gpio_getpin(GTA01_GPIO_GPS_EN_2V8))
-+ ret = 1;
-+ break;
-+ case GTA01Bv3_SYSTEM_REV:
-+ case GTA01Bv4_SYSTEM_REV:
-+ break;
-+ }
-+
-+ return ret;
-+}
-+
-+/* This is the 3V supply (AVDD) for the external RF frontend (LNA bias) */
-+static void gps_power_3v_set(int on)
-+{
-+ switch (system_rev) {
-+ case GTA01v3_SYSTEM_REV:
-+ case GTA01v4_SYSTEM_REV:
-+ if (on)
-+ pcf50606_voltage_set(pcf50606_global,
-+ PCF50606_REGULATOR_D1REG, 3000);
-+ pcf50606_onoff_set(pcf50606_global,
-+ PCF50606_REGULATOR_D1REG, on);
-+ break;
-+ case GTA01Bv2_SYSTEM_REV:
-+ case GTA01Bv3_SYSTEM_REV:
-+ case GTA01Bv4_SYSTEM_REV:
-+ s3c2410_gpio_setpin(GTA01_GPIO_GPS_EN_3V, on);
-+ break;
-+ }
-+}
-+
-+static int gps_power_3v_get(void)
-+{
-+ int ret = 0;
-+
-+ switch (system_rev) {
-+ case GTA01v3_SYSTEM_REV:
-+ case GTA01v4_SYSTEM_REV:
-+ if (pcf50606_onoff_get(pcf50606_global,
-+ PCF50606_REGULATOR_D1REG) &&
-+ pcf50606_voltage_get(pcf50606_global,
-+ PCF50606_REGULATOR_D1REG) == 3000)
-+ ret = 1;
-+ break;
-+ case GTA01Bv2_SYSTEM_REV:
-+ case GTA01Bv3_SYSTEM_REV:
-+ case GTA01Bv4_SYSTEM_REV:
-+ if (s3c2410_gpio_getpin(GTA01_GPIO_GPS_EN_3V))
-+ ret = 1;
-+ break;
-+ }
-+
-+ return ret;
-+}
-+
-+/* This is the 3.3V supply for VDD_IO and VDD_LPREG input */
-+static void gps_power_3v3_set(int on)
-+{
-+ switch (system_rev) {
-+ case GTA01v3_SYSTEM_REV:
-+ case GTA01v4_SYSTEM_REV:
-+ case GTA01Bv2_SYSTEM_REV:
-+ if (on)
-+ pcf50606_voltage_set(pcf50606_global,
-+ PCF50606_REGULATOR_DCD, 3300);
-+ pcf50606_onoff_set(pcf50606_global,
-+ PCF50606_REGULATOR_DCD, on);
-+ break;
-+ case GTA01Bv3_SYSTEM_REV:
-+ case GTA01Bv4_SYSTEM_REV:
-+ s3c2410_gpio_setpin(GTA01_GPIO_GPS_EN_3V3, on);
-+ break;
-+ }
-+}
-+
-+static int gps_power_3v3_get(void)
-+{
-+ int ret = 0;
-+
-+ switch (system_rev) {
-+ case GTA01v3_SYSTEM_REV:
-+ case GTA01v4_SYSTEM_REV:
-+ case GTA01Bv2_SYSTEM_REV:
-+ if (pcf50606_onoff_get(pcf50606_global,
-+ PCF50606_REGULATOR_DCD) &&
-+ pcf50606_voltage_get(pcf50606_global,
-+ PCF50606_REGULATOR_DCD) == 3300)
-+ ret = 1;
-+ break;
-+ case GTA01Bv3_SYSTEM_REV:
-+ case GTA01Bv4_SYSTEM_REV:
-+ if (s3c2410_gpio_getpin(GTA01_GPIO_GPS_EN_3V3))
-+ ret = 1;
-+ break;
-+ }
-+
-+ return ret;
-+}
-+
-+/* This is the 2.5V supply for VDD_PLLREG and VDD_COREREG input */
-+static void gps_power_2v5_set(int on)
-+{
-+ switch (system_rev) {
-+ case GTA01v3_SYSTEM_REV:
-+ /* This is CORE_1V8 and cannot be disabled */
-+ break;
-+ case GTA01v4_SYSTEM_REV:
-+ case GTA01Bv2_SYSTEM_REV:
-+ case GTA01Bv3_SYSTEM_REV:
-+ case GTA01Bv4_SYSTEM_REV:
-+ if (on)
-+ pcf50606_voltage_set(pcf50606_global,
-+ PCF50606_REGULATOR_D2REG, 2500);
-+ pcf50606_onoff_set(pcf50606_global,
-+ PCF50606_REGULATOR_D2REG, on);
-+ break;
-+ }
-+}
-+
-+static int gps_power_2v5_get(void)
-+{
-+ int ret = 0;
-+
-+ switch (system_rev) {
-+ case GTA01v3_SYSTEM_REV:
-+ /* This is CORE_1V8 and cannot be disabled */
-+ ret = 1;
-+ break;
-+ case GTA01v4_SYSTEM_REV:
-+ case GTA01Bv2_SYSTEM_REV:
-+ case GTA01Bv3_SYSTEM_REV:
-+ case GTA01Bv4_SYSTEM_REV:
-+ if (pcf50606_onoff_get(pcf50606_global,
-+ PCF50606_REGULATOR_D2REG) &&
-+ pcf50606_voltage_get(pcf50606_global,
-+ PCF50606_REGULATOR_D2REG) == 2500)
-+ ret = 1;
-+ break;
-+ }
-+
-+ return ret;
-+}
-+
-+/* This is the 1.5V supply for VDD_CORE */
-+static void gps_power_1v5_set(int on)
-+{
-+ switch (system_rev) {
-+ case GTA01v3_SYSTEM_REV:
-+ case GTA01v4_SYSTEM_REV:
-+ case GTA01Bv2_SYSTEM_REV:
-+ /* This is switched via 2v5 */
-+ break;
-+ case GTA01Bv3_SYSTEM_REV:
-+ case GTA01Bv4_SYSTEM_REV:
-+ if (on)
-+ pcf50606_voltage_set(pcf50606_global,
-+ PCF50606_REGULATOR_DCD, 1500);
-+ pcf50606_onoff_set(pcf50606_global,
-+ PCF50606_REGULATOR_DCD, on);
-+ break;
-+ }
-+}
-+
-+static int gps_power_1v5_get(void)
-+{
-+ int ret = 0;
-+
-+ switch (system_rev) {
-+ case GTA01v3_SYSTEM_REV:
-+ case GTA01v4_SYSTEM_REV:
-+ case GTA01Bv2_SYSTEM_REV:
-+ /* This is switched via 2v5 */
-+ ret = 1;
-+ break;
-+ case GTA01Bv3_SYSTEM_REV:
-+ case GTA01Bv4_SYSTEM_REV:
-+ if (pcf50606_onoff_get(pcf50606_global,
-+ PCF50606_REGULATOR_DCD) &&
-+ pcf50606_voltage_get(pcf50606_global,
-+ PCF50606_REGULATOR_DCD) == 1500)
-+ ret = 1;
-+ break;
-+ }
-+
-+ return ret;
-+}
-+
-+/* This is the POWERON pin */
-+static void gps_pwron_set(int on)
-+{
-+ s3c2410_gpio_setpin(GTA01_GPIO_GPS_PWRON, on);
-+}
-+
-+static int gps_pwron_get(void)
-+{
-+ if (s3c2410_gpio_getpin(GTA01_GPIO_GPS_PWRON))
-+ return 1;
-+ else
-+ return 0;
-+}
-+
-+/* This is the nRESET pin */
-+static void gps_rst_set(int on)
-+{
-+ switch (system_rev) {
-+ case GTA01v3_SYSTEM_REV:
-+ pcf50606_gpo0_set(pcf50606_global, on);
-+ break;
-+ case GTA01v4_SYSTEM_REV:
-+ case GTA01Bv2_SYSTEM_REV:
-+ case GTA01Bv3_SYSTEM_REV:
-+ case GTA01Bv4_SYSTEM_REV:
-+ s3c2410_gpio_setpin(GTA01_GPIO_GPS_RESET, on);
-+ break;
-+ }
-+}
-+
-+static int gps_rst_get(void)
-+{
-+ switch (system_rev) {
-+ case GTA01v3_SYSTEM_REV:
-+ if (pcf50606_gpo0_get(pcf50606_global))
-+ return 1;
-+ break;
-+ case GTA01v4_SYSTEM_REV:
-+ case GTA01Bv2_SYSTEM_REV:
-+ case GTA01Bv3_SYSTEM_REV:
-+ case GTA01Bv4_SYSTEM_REV:
-+ if (s3c2410_gpio_getpin(GTA01_GPIO_GPS_RESET))
-+ return 1;
-+ break;
-+ }
-+
-+ return 0;
-+}
-+
-+static ssize_t power_gps_read(struct device *dev,
-+ struct device_attribute *attr, char *buf)
-+{
-+ int ret = 0;
-+
-+ if (!strcmp(attr->attr.name, "power_tcxo_2v8")) {
-+ ret = gps_power_2v8_get();
-+ } else if (!strcmp(attr->attr.name, "power_avdd_3v")) {
-+ ret = gps_power_3v_get();
-+ } else if (!strcmp(attr->attr.name, "pwron")) {
-+ ret = gps_pwron_get();
-+ } else if (!strcmp(attr->attr.name, "reset")) {
-+ ret = gps_rst_get();
-+ } else if (!strcmp(attr->attr.name, "power_lp_io_3v3")) {
-+ ret = gps_power_3v3_get();
-+ } else if (!strcmp(attr->attr.name, "power_pll_core_2v5")) {
-+ ret = gps_power_2v5_get();
-+ } else if (!strcmp(attr->attr.name, "power_core_1v5") ||
-+ !strcmp(attr->attr.name, "power_vdd_core_1v5")) {
-+ ret = gps_power_1v5_get();
-+ }
-+
-+ if (ret)
-+ return strlcpy(buf, "1\n", 3);
-+ else
-+ return strlcpy(buf, "0\n", 3);
-+}
-+
-+static ssize_t power_gps_write(struct device *dev,
-+ struct device_attribute *attr, const char *buf,
-+ size_t count)
-+{
-+ unsigned long on = simple_strtoul(buf, NULL, 10);
-+
-+ if (!strcmp(attr->attr.name, "power_tcxo_2v8")) {
-+ gps_power_2v8_set(on);
-+ } else if (!strcmp(attr->attr.name, "power_avdd_3v")) {
-+ gps_power_3v_set(on);
-+ } else if (!strcmp(attr->attr.name, "pwron")) {
-+ gps_pwron_set(on);
-+ } else if (!strcmp(attr->attr.name, "reset")) {
-+ gps_rst_set(on);
-+ } else if (!strcmp(attr->attr.name, "power_lp_io_3v3")) {
-+ gps_power_3v3_set(on);
-+ } else if (!strcmp(attr->attr.name, "power_pll_core_2v5")) {
-+ gps_power_2v5_set(on);
-+ } else if (!strcmp(attr->attr.name, "power_core_1v5") ||
-+ !strcmp(attr->attr.name, "power_vdd_core_1v5")) {
-+ gps_power_1v5_set(on);
-+ }
-+
-+ return count;
-+}
-+
-+static void gps_power_sequence_up(void)
-+{
-+ /* According to PMB2520 Data Sheet, Rev. 2006-06-05,
-+ * Chapter 4.2.2 */
-+
-+ /* nRESET must be asserted low */
-+ gps_rst_set(0);
-+
-+ /* POWERON must be de-asserted (low) */
-+ gps_pwron_set(0);
-+
-+ /* Apply VDD_IO and VDD_LPREG_IN */
-+ gps_power_3v3_set(1);
-+
-+ /* VDD_COREREG_IN, VDD_PLLREG_IN */
-+ gps_power_1v5_set(1);
-+ gps_power_2v5_set(1);
-+
-+ /* and VDD_RF may be applied */
-+ gps_power_2v8_set(1);
-+
-+ /* We need to enable AVDD, since in GTA01Bv3 it is
-+ * shared with RFREG_IN */
-+ gps_power_3v_set(1);
-+
-+ msleep(3); /* Is 3ms enough? */
-+
-+ /* De-asert nRESET */
-+ gps_rst_set(1);
-+
-+ /* Switch power on */
-+ gps_pwron_set(1);
-+
-+}
-+
-+static void gps_power_sequence_down(void)
-+{
-+ /* According to PMB2520 Data Sheet, Rev. 2006-06-05,
-+ * Chapter 4.2.3.1 */
-+ gps_pwron_set(0);
-+
-+ /* Don't disable AVDD before PWRON is cleared, since
-+ * in GTA01Bv3, AVDD and RFREG_IN are shared */
-+ gps_power_3v_set(0);
-+
-+ /* Remove VDD_COREREG_IN, VDD_PLLREG_IN and VDD_REFREG_IN */
-+ gps_power_1v5_set(0);
-+ gps_power_2v5_set(0);
-+ gps_power_2v8_set(0);
-+
-+ /* Remove VDD_LPREG_IN and VDD_IO */
-+ gps_power_3v3_set(0);
-+}
-+
-+
-+static ssize_t power_sequence_read(struct device *dev,
-+ struct device_attribute *attr,
-+ char *buf)
-+{
-+ return strlcpy(buf, "power_up power_down\n", PAGE_SIZE);
-+}
-+
-+static ssize_t power_sequence_write(struct device *dev,
-+ struct device_attribute *attr,
-+ const char *buf, size_t count)
-+{
-+ dev_dbg(dev, "wrote: '%s'\n", buf);
-+
-+ if (!strncmp(buf, "power_up", 8))
-+ gps_power_sequence_up();
-+ else if (!strncmp(buf, "power_down", 10))
-+ gps_power_sequence_down();
-+ else
-+ return -EINVAL;
-+
-+ return count;
-+}
-+
-+static DEVICE_ATTR(power_tcxo_2v8, 0644, power_gps_read, power_gps_write);
-+static DEVICE_ATTR(power_avdd_3v, 0644, power_gps_read, power_gps_write);
-+static DEVICE_ATTR(pwron, 0644, power_gps_read, power_gps_write);
-+static DEVICE_ATTR(reset, 0644, power_gps_read, power_gps_write);
-+static DEVICE_ATTR(power_lp_io_3v3, 0644, power_gps_read, power_gps_write);
-+static DEVICE_ATTR(power_pll_core_2v5, 0644, power_gps_read, power_gps_write);
-+static DEVICE_ATTR(power_core_1v5, 0644, power_gps_read, power_gps_write);
-+static DEVICE_ATTR(power_vdd_core_1v5, 0644, power_gps_read, power_gps_write);
-+static DEVICE_ATTR(power_sequence, 0644, power_sequence_read,
-+ power_sequence_write);
-+
-+#ifdef CONFIG_PM
-+static int gta01_pm_gps_suspend(struct platform_device *pdev,
-+ pm_message_t state)
-+{
-+ /* FIXME */
-+ gps_power_sequence_down();
-+
-+ return 0;
-+}
-+
-+static int gta01_pm_gps_resume(struct platform_device *pdev)
-+{
-+ /* FIXME */
-+ gps_power_sequence_up();
-+
-+ return 0;
-+}
-+#else
-+#define gta01_pm_gps_suspend NULL
-+#define gta01_pm_gps_resume NULL
-+#endif
-+
-+static struct attribute *gta01_gps_sysfs_entries[] = {
-+ &dev_attr_power_avdd_3v.attr,
-+ &dev_attr_pwron.attr,
-+ &dev_attr_reset.attr,
-+ &dev_attr_power_lp_io_3v3.attr,
-+ &dev_attr_power_pll_core_2v5.attr,
-+ &dev_attr_power_sequence.attr,
-+ NULL, /* power_core_1v5 */
-+ NULL, /* power_vdd_core_1v5 */
-+ NULL /* terminating entry */
-+};
-+
-+static struct attribute_group gta01_gps_attr_group = {
-+ .name = NULL,
-+ .attrs = gta01_gps_sysfs_entries,
-+};
-+
-+static int __init gta01_pm_gps_probe(struct platform_device *pdev)
-+{
-+ s3c2410_gpio_cfgpin(GTA01_GPIO_GPS_PWRON, S3C2410_GPIO_OUTPUT);
-+
-+ switch (system_rev) {
-+ case GTA01v3_SYSTEM_REV:
-+ break;
-+ case GTA01v4_SYSTEM_REV:
-+ s3c2410_gpio_cfgpin(GTA01_GPIO_GPS_RESET, S3C2410_GPIO_OUTPUT);
-+ break;
-+ case GTA01Bv3_SYSTEM_REV:
-+ case GTA01Bv4_SYSTEM_REV:
-+ s3c2410_gpio_cfgpin(GTA01_GPIO_GPS_EN_3V3, S3C2410_GPIO_OUTPUT);
-+ /* fallthrough */
-+ case GTA01Bv2_SYSTEM_REV:
-+ s3c2410_gpio_cfgpin(GTA01_GPIO_GPS_EN_2V8, S3C2410_GPIO_OUTPUT);
-+ s3c2410_gpio_cfgpin(GTA01_GPIO_GPS_EN_3V, S3C2410_GPIO_OUTPUT);
-+ s3c2410_gpio_cfgpin(GTA01_GPIO_GPS_RESET, S3C2410_GPIO_OUTPUT);
-+ break;
-+ default:
-+ dev_warn(&pdev->dev, "Unknown GTA01 Revision 0x%x, "
-+ "AGPS PM features not available!!!\n",
-+ system_rev);
-+ return -1;
-+ break;
-+ }
-+
-+ gps_power_sequence_down();
-+
-+ switch (system_rev) {
-+ case GTA01v3_SYSTEM_REV:
-+ case GTA01v4_SYSTEM_REV:
-+ case GTA01Bv2_SYSTEM_REV:
-+ gta01_gps_sysfs_entries[ARRAY_SIZE(gta01_gps_sysfs_entries)-3] =
-+ &dev_attr_power_tcxo_2v8.attr;
-+ break;
-+ case GTA01Bv3_SYSTEM_REV:
-+ case GTA01Bv4_SYSTEM_REV:
-+ gta01_gps_sysfs_entries[ARRAY_SIZE(gta01_gps_sysfs_entries)-3] =
-+ &dev_attr_power_core_1v5.attr;
-+ gta01_gps_sysfs_entries[ARRAY_SIZE(gta01_gps_sysfs_entries)-2] =
-+ &dev_attr_power_vdd_core_1v5.attr;
-+ break;
-+ }
-+
-+ return sysfs_create_group(&pdev->dev.kobj, &gta01_gps_attr_group);
-+}
-+
-+static int gta01_pm_gps_remove(struct platform_device *pdev)
-+{
-+ gps_power_sequence_down();
-+ sysfs_remove_group(&pdev->dev.kobj, &gta01_gps_attr_group);
-+
-+ return 0;
-+}
-+
-+static struct platform_driver gta01_pm_gps_driver = {
-+ .probe = gta01_pm_gps_probe,
-+ .remove = gta01_pm_gps_remove,
-+ .suspend = gta01_pm_gps_suspend,
-+ .resume = gta01_pm_gps_resume,
-+ .driver = {
-+ .name = "neo1973-pm-gps",
-+ },
-+};
-+
-+static int __devinit gta01_pm_gps_init(void)
-+{
-+ return platform_driver_register(&gta01_pm_gps_driver);
-+}
-+
-+static void gta01_pm_gps_exit(void)
-+{
-+ platform_driver_unregister(&gta01_pm_gps_driver);
-+}
-+
-+module_init(gta01_pm_gps_init);
-+module_exit(gta01_pm_gps_exit);
-+
-+MODULE_LICENSE("GPL");
-+MODULE_AUTHOR("Harald Welte <laforge@openmoko.org>");
-+MODULE_DESCRIPTION("FIC Neo1973 GPS Power Management");
-diff --git a/arch/arm/plat-s3c24xx/neo1973_pm_gsm.c b/arch/arm/plat-s3c24xx/neo1973_pm_gsm.c
-new file mode 100644
-index 0000000..a1615f8
---- /dev/null
-+++ b/arch/arm/plat-s3c24xx/neo1973_pm_gsm.c
-@@ -0,0 +1,217 @@
-+/*
-+ * GSM Management code for the FIC Neo1973 GSM Phone
-+ *
-+ * (C) 2007 by OpenMoko Inc.
-+ * Author: Harald Welte <laforge@openmoko.org>
-+ * All rights reserved.
-+ *
-+ * This program is free software; you can redistribute it and/or modify
-+ * it under the terms of the GNU General Public License version 2 as
-+ * published by the Free Software Foundation
-+ *
-+ */
-+
-+#include <linux/module.h>
-+#include <linux/init.h>
-+#include <linux/kernel.h>
-+#include <linux/platform_device.h>
-+#include <linux/console.h>
-+#include <linux/errno.h>
-+
-+#include <asm/hardware.h>
-+#include <asm/arch/gta01.h>
-+
-+struct gta01pm_priv {
-+ int gpio_ngsm_en;
-+ struct console *con;
-+};
-+
-+static struct gta01pm_priv gta01_gsm;
-+
-+static struct console *find_s3c24xx_console(void)
-+{
-+ struct console *con;
-+
-+ acquire_console_sem();
-+
-+ for (con = console_drivers; con; con = con->next) {
-+ if (!strcmp(con->name, "ttySAC"))
-+ break;
-+ }
-+
-+ release_console_sem();
-+
-+ return con;
-+}
-+
-+static ssize_t gsm_read(struct device *dev, struct device_attribute *attr,
-+ char *buf)
-+{
-+ if (!strcmp(attr->attr.name, "power_on")) {
-+ if (s3c2410_gpio_getpin(GTA01_GPIO_MODEM_ON))
-+ goto out_1;
-+ } else if (!strcmp(attr->attr.name, "reset")) {
-+ if (s3c2410_gpio_getpin(GTA01_GPIO_MODEM_RST))
-+ goto out_1;
-+ } else if (!strcmp(attr->attr.name, "download")) {
-+ if (s3c2410_gpio_getpin(GTA01_GPIO_MODEM_DNLOAD))
-+ goto out_1;
-+ }
-+
-+ return strlcpy(buf, "0\n", 3);
-+out_1:
-+ return strlcpy(buf, "1\n", 3);
-+}
-+
-+static ssize_t gsm_write(struct device *dev, struct device_attribute *attr,
-+ const char *buf, size_t count)
-+{
-+ unsigned long on = simple_strtoul(buf, NULL, 10);
-+
-+ if (!strcmp(attr->attr.name, "power_on")) {
-+ if (on) {
-+ dev_info(dev, "powering up GSM, thus disconnecting "
-+ "serial console\n");
-+
-+ if (gta01_gsm.con)
-+ console_stop(gta01_gsm.con);
-+
-+ if (gta01_gsm.gpio_ngsm_en)
-+ s3c2410_gpio_setpin(gta01_gsm.gpio_ngsm_en, 0);
-+
-+ s3c2410_gpio_setpin(GTA01_GPIO_MODEM_ON, 1);
-+ } else {
-+ s3c2410_gpio_setpin(GTA01_GPIO_MODEM_ON, 0);
-+
-+ if (gta01_gsm.gpio_ngsm_en)
-+ s3c2410_gpio_setpin(gta01_gsm.gpio_ngsm_en, 1);
-+
-+ if (gta01_gsm.con)
-+ console_start(gta01_gsm.con);
-+
-+ dev_info(dev, "powered down GSM, thus enabling "
-+ "serial console\n");
-+ }
-+ } else if (!strcmp(attr->attr.name, "reset")) {
-+ s3c2410_gpio_setpin(GTA01_GPIO_MODEM_RST, on);
-+ } else if (!strcmp(attr->attr.name, "download")) {
-+ s3c2410_gpio_setpin(GTA01_GPIO_MODEM_DNLOAD, on);
-+ }
-+
-+ return count;
-+}
-+
-+static DEVICE_ATTR(power_on, 0644, gsm_read, gsm_write);
-+static DEVICE_ATTR(reset, 0644, gsm_read, gsm_write);
-+static DEVICE_ATTR(download, 0644, gsm_read, gsm_write);
-+
-+#ifdef CONFIG_PM
-+static int gta01_gsm_suspend(struct platform_device *pdev, pm_message_t state)
-+{
-+ /* GPIO state is saved/restored by S3C2410 core GPIO driver, so we
-+ * don't need to do anything here */
-+
-+ return 0;
-+}
-+
-+static int gta01_gsm_resume(struct platform_device *pdev)
-+{
-+ /* GPIO state is saved/restored by S3C2410 core GPIO driver, so we
-+ * don't need to do anything here */
-+
-+ /* Make sure that the kernel console on the serial port is still
-+ * disabled. FIXME: resume ordering race with serial driver! */
-+ if (s3c2410_gpio_getpin(GTA01_GPIO_MODEM_ON) && gta01_gsm.con)
-+ console_stop(gta01_gsm.con);
-+
-+ return 0;
-+}
-+#else
-+#define gta01_gsm_suspend NULL
-+#define gta01_gsm_resume NULL
-+#endif
-+
-+static struct attribute *gta01_gsm_sysfs_entries[] = {
-+ &dev_attr_power_on.attr,
-+ &dev_attr_reset.attr,
-+ NULL,
-+ NULL
-+};
-+
-+static struct attribute_group gta01_gsm_attr_group = {
-+ .name = NULL,
-+ .attrs = gta01_gsm_sysfs_entries,
-+};
-+
-+static int __init gta01_gsm_probe(struct platform_device *pdev)
-+{
-+ switch (system_rev) {
-+ case GTA01v3_SYSTEM_REV:
-+ gta01_gsm.gpio_ngsm_en = GTA01v3_GPIO_nGSM_EN;
-+ break;
-+ case GTA01v4_SYSTEM_REV:
-+ gta01_gsm.gpio_ngsm_en = 0;
-+ break;
-+ case GTA01Bv2_SYSTEM_REV:
-+ case GTA01Bv3_SYSTEM_REV:
-+ case GTA01Bv4_SYSTEM_REV:
-+ gta01_gsm.gpio_ngsm_en = GTA01Bv2_GPIO_nGSM_EN;
-+ s3c2410_gpio_setpin(GTA01v3_GPIO_nGSM_EN, 0);
-+ break;
-+ default:
-+ dev_warn(&pdev->dev, "Unknown GTA01 Revision 0x%x, "
-+ "some PM features not available!!!\n",
-+ system_rev);
-+ break;
-+ }
-+
-+ switch (system_rev) {
-+ case GTA01v4_SYSTEM_REV:
-+ case GTA01Bv2_SYSTEM_REV:
-+ gta01_gsm_sysfs_entries[ARRAY_SIZE(gta01_gsm_sysfs_entries)-2] =
-+ &dev_attr_download.attr;
-+ break;
-+ default:
-+ break;
-+ }
-+
-+ gta01_gsm.con = find_s3c24xx_console();
-+ if (!gta01_gsm.con)
-+ dev_warn(&pdev->dev, "cannot find S3C24xx console driver\n");
-+
-+ return sysfs_create_group(&pdev->dev.kobj, &gta01_gsm_attr_group);
-+}
-+
-+static int gta01_gsm_remove(struct platform_device *pdev)
-+{
-+ sysfs_remove_group(&pdev->dev.kobj, &gta01_gsm_attr_group);
-+
-+ return 0;
-+}
-+
-+static struct platform_driver gta01_gsm_driver = {
-+ .probe = gta01_gsm_probe,
-+ .remove = gta01_gsm_remove,
-+ .suspend = gta01_gsm_suspend,
-+ .resume = gta01_gsm_resume,
-+ .driver = {
-+ .name = "neo1973-pm-gsm",
-+ },
-+};
-+
-+static int __devinit gta01_gsm_init(void)
-+{
-+ return platform_driver_register(&gta01_gsm_driver);
-+}
-+
-+static void gta01_gsm_exit(void)
-+{
-+ platform_driver_unregister(&gta01_gsm_driver);
-+}
-+
-+module_init(gta01_gsm_init);
-+module_exit(gta01_gsm_exit);
-+
-+MODULE_LICENSE("GPL");
-+MODULE_AUTHOR("Harald Welte <laforge@openmoko.org>");
-+MODULE_DESCRIPTION("FIC Neo1973 GSM Power Management");
---
-1.5.6.5
-
generated by cgit v1.1 at 2024-11-10 21:48:25 +0000