diff options
Diffstat (limited to 'target/linux/mcs814x/files-3.3/drivers/usb/host/ohci-mcs814x.c')
| -rw-r--r-- | target/linux/mcs814x/files-3.3/drivers/usb/host/ohci-mcs814x.c | 202 |
1 files changed, 0 insertions, 202 deletions
diff --git a/target/linux/mcs814x/files-3.3/drivers/usb/host/ohci-mcs814x.c b/target/linux/mcs814x/files-3.3/drivers/usb/host/ohci-mcs814x.c deleted file mode 100644 index ef4cb51..0000000 --- a/target/linux/mcs814x/files-3.3/drivers/usb/host/ohci-mcs814x.c +++ /dev/null @@ -1,202 +0,0 @@ -/* - * OHCI HCD (Host Controller Driver) for USB. - * - * (C) Copyright 1999 Roman Weissgaerber <weissg@vienna.at> - * (C) Copyright 2000-2002 David Brownell <dbrownell@users.sourceforge.net> - * (C) Copyright 2002 Hewlett-Packard Company - * - * Bus Glue for Moschip MCS814x. - * - * Written by Christopher Hoover <ch@hpl.hp.com> - * Based on fragments of previous driver by Russell King et al. - * - * Modified for LH7A404 from ohci-sa1111.c - * by Durgesh Pattamatta <pattamattad@sharpsec.com> - * - * Modified for pxa27x from ohci-lh7a404.c - * by Nick Bane <nick@cecomputing.co.uk> 26-8-2004 - * - * Modified for mcs814x from ohci-mcs814x.c - * by Lennert Buytenhek <buytenh@wantstofly.org> 28-2-2006 - * Based on an earlier driver by Ray Lehtiniemi - * - * This file is licenced under the GPL. - */ - -#include <linux/device.h> -#include <linux/signal.h> -#include <linux/platform_device.h> -#include <linux/of.h> - -static int usb_hcd_mcs814x_probe(const struct hc_driver *driver, - struct platform_device *pdev) -{ - int retval; - struct usb_hcd *hcd; - - if (pdev->resource[1].flags != IORESOURCE_IRQ) { - pr_debug("resource[1] is not IORESOURCE_IRQ"); - return -ENOMEM; - } - - pdev->dev.coherent_dma_mask = DMA_BIT_MASK(32); - pdev->dev.dma_mask = &pdev->dev.coherent_dma_mask; - - hcd = usb_create_hcd(driver, &pdev->dev, "mcs814x"); - if (hcd == NULL) - return -ENOMEM; - - hcd->rsrc_start = pdev->resource[0].start; - hcd->rsrc_len = pdev->resource[0].end - pdev->resource[0].start + 1; - if (!request_mem_region(hcd->rsrc_start, hcd->rsrc_len, hcd_name)) { - usb_put_hcd(hcd); - retval = -EBUSY; - goto err1; - } - - hcd->regs = ioremap(hcd->rsrc_start, hcd->rsrc_len); - if (hcd->regs == NULL) { - pr_debug("ioremap failed"); - retval = -ENOMEM; - goto err2; - } - - ohci_hcd_init(hcd_to_ohci(hcd)); - - retval = usb_add_hcd(hcd, pdev->resource[1].start, IRQF_DISABLED); - if (retval == 0) - return retval; - - iounmap(hcd->regs); -err2: - release_mem_region(hcd->rsrc_start, hcd->rsrc_len); -err1: - usb_put_hcd(hcd); - - return retval; -} - -static void usb_hcd_mcs814x_remove(struct usb_hcd *hcd, - struct platform_device *pdev) -{ - usb_remove_hcd(hcd); - iounmap(hcd->regs); - release_mem_region(hcd->rsrc_start, hcd->rsrc_len); - usb_put_hcd(hcd); -} - -static int __devinit ohci_mcs814x_start(struct usb_hcd *hcd) -{ - struct ohci_hcd *ohci = hcd_to_ohci(hcd); - int ret; - - ret = ohci_init(ohci); - if (ret < 0) - return ret; - - ret = ohci_run(ohci); - if (ret < 0) { - ohci_err(ohci, "can't start %s", hcd->self.bus_name); - ohci_stop(hcd); - return ret; - } - - return 0; -} - -static struct hc_driver ohci_mcs814x_hc_driver = { - .description = hcd_name, - .product_desc = "MCS814X OHCI", - .hcd_priv_size = sizeof(struct ohci_hcd), - .irq = ohci_irq, - .flags = HCD_USB11 | HCD_MEMORY, - .start = ohci_mcs814x_start, - .stop = ohci_stop, - .shutdown = ohci_shutdown, - .urb_enqueue = ohci_urb_enqueue, - .urb_dequeue = ohci_urb_dequeue, - .endpoint_disable = ohci_endpoint_disable, - .get_frame_number = ohci_get_frame, - .hub_status_data = ohci_hub_status_data, - .hub_control = ohci_hub_control, -#ifdef CONFIG_PM - .bus_suspend = ohci_bus_suspend, - .bus_resume = ohci_bus_resume, -#endif - .start_port_reset = ohci_start_port_reset, -}; - -extern int usb_disabled(void); - -static int ohci_hcd_mcs814x_drv_probe(struct platform_device *pdev) -{ - int ret; - - ret = -ENODEV; - if (!usb_disabled()) - ret = usb_hcd_mcs814x_probe(&ohci_mcs814x_hc_driver, pdev); - - return ret; -} - -static int ohci_hcd_mcs814x_drv_remove(struct platform_device *pdev) -{ - struct usb_hcd *hcd = platform_get_drvdata(pdev); - - usb_hcd_mcs814x_remove(hcd, pdev); - - return 0; -} - -#ifdef CONFIG_PM -static int ohci_hcd_mcs814x_drv_suspend(struct platform_device *pdev, pm_message_t state) -{ - struct usb_hcd *hcd = platform_get_drvdata(pdev); - struct ohci_hcd *ohci = hcd_to_ohci(hcd); - - if (time_before(jiffies, ohci->next_statechange)) - msleep(5); - ohci->next_statechange = jiffies; - - hcd->state = HC_STATE_SUSPENDED; - - return 0; -} - -static int ohci_hcd_mcs814x_drv_resume(struct platform_device *pdev) -{ - struct usb_hcd *hcd = platform_get_drvdata(pdev); - struct ohci_hcd *ohci = hcd_to_ohci(hcd); - int status; - - if (time_before(jiffies, ohci->next_statechange)) - msleep(5); - ohci->next_statechange = jiffies; - - ohci_finish_controller_resume(hcd); - return 0; -} -#endif - -static const struct of_device_id mcs814x_ohci_id[] = { - { .compatible = "moschip,mcs814x-ohci" }, - { .compatible = "ohci-le" }, - { /* sentinel */ }, -}; - -static struct platform_driver ohci_hcd_mcs814x_driver = { - .probe = ohci_hcd_mcs814x_drv_probe, - .remove = ohci_hcd_mcs814x_drv_remove, - .shutdown = usb_hcd_platform_shutdown, -#ifdef CONFIG_PM - .suspend = ohci_hcd_mcs814x_drv_suspend, - .resume = ohci_hcd_mcs814x_drv_resume, -#endif - .driver = { - .name = "mcs814x-ohci", - .owner = THIS_MODULE, - .of_match_table = mcs814x_ohci_id, - }, -}; - -MODULE_ALIAS("platform:mcs814x-ohci"); |