+++ /dev/null
-/*
- * ADM5120 HCD (Host Controller Driver) for USB
- *
- * Copyright (C) 2007-2008 Gabor Juhos <juhosg@openwrt.org>
- *
- * This file was derived from: drivers/usb/host/ohci-au1xxx.c
- * (C) Copyright 1999 Roman Weissgaerber <weissg@vienna.at>
- * (C) Copyright 2000-2002 David Brownell <dbrownell@users.sourceforge.net>
- * (C) Copyright 2002 Hewlett-Packard Company
- *
- * Written by Christopher Hoover <ch@hpl.hp.com>
- * Based on fragments of previous driver by Russell King et al.
- *
- * Modified for LH7A404 from ahcd-sa1111.c
- * by Durgesh Pattamatta <pattamattad@sharpsec.com>
- * Modified for AMD Alchemy Au1xxx
- * by Matt Porter <mporter@kernel.crashing.org>
- *
- * 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/platform_device.h>
-#include <linux/signal.h>
-
-#include <asm/bootinfo.h>
-#include <asm/mach-adm5120/adm5120_defs.h>
-
-#ifdef DEBUG
-#define HCD_DBG(f, a...) printk(KERN_DEBUG "%s: " f, hcd_name, ## a)
-#else
-#define HCD_DBG(f, a...) do {} while (0)
-#endif
-#define HCD_ERR(f, a...) printk(KERN_ERR "%s: " f, hcd_name, ## a)
-#define HCD_INFO(f, a...) printk(KERN_INFO "%s: " f, hcd_name, ## a)
-
-/*-------------------------------------------------------------------------*/
-
-static int admhc_adm5120_probe(const struct hc_driver *driver,
- struct platform_device *dev)
-{
- int retval;
- struct usb_hcd *hcd;
- int irq;
- struct resource *regs;
-
- /* sanity checks */
- regs = platform_get_resource(dev, IORESOURCE_MEM, 0);
- if (!regs) {
- HCD_DBG("no IOMEM resource found\n");
- return -ENODEV;
- }
-
- irq = platform_get_irq(dev, 0);
- if (irq < 0) {
- HCD_DBG("no IRQ resource found\n");
- return -ENODEV;
- }
-
- hcd = usb_create_hcd(driver, &dev->dev, "ADM5120");
- if (!hcd)
- return -ENOMEM;
-
- hcd->rsrc_start = regs->start;
- hcd->rsrc_len = regs->end - regs->start + 1;
-
- if (!request_mem_region(hcd->rsrc_start, hcd->rsrc_len, hcd_name)) {
- HCD_DBG("request_mem_region failed\n");
- retval = -EBUSY;
- goto err_dev;
- }
-
- hcd->regs = ioremap(hcd->rsrc_start, hcd->rsrc_len);
- if (!hcd->regs) {
- HCD_DBG("ioremap failed\n");
- retval = -ENOMEM;
- goto err_mem;
- }
-
- admhc_hcd_init(hcd_to_admhcd(hcd));
-
- retval = usb_add_hcd(hcd, irq, 0);
- if (retval)
- goto err_io;
-
- return 0;
-
-err_io:
- iounmap(hcd->regs);
-err_mem:
- release_mem_region(hcd->rsrc_start, hcd->rsrc_len);
-err_dev:
- usb_put_hcd(hcd);
- return retval;
-}
-
-
-/* may be called without controller electrically present */
-/* may be called with controller, bus, and devices active */
-
-static void admhc_adm5120_remove(struct usb_hcd *hcd,
- struct platform_device *dev)
-{
- usb_remove_hcd(hcd);
- iounmap(hcd->regs);
- release_mem_region(hcd->rsrc_start, hcd->rsrc_len);
- usb_put_hcd(hcd);
-}
-
-static int admhc_adm5120_start(struct usb_hcd *hcd)
-{
- struct admhcd *ahcd = hcd_to_admhcd(hcd);
- int ret;
-
- ret = admhc_init(ahcd);
- if (ret < 0) {
- HCD_ERR("unable to init %s\n", hcd->self.bus_name);
- goto err;
- }
-
- ret = admhc_run(ahcd);
- if (ret < 0) {
- HCD_ERR("unable to run %s\n", hcd->self.bus_name);
- goto err_stop;
- }
-
- return 0;
-
-err_stop:
- admhc_stop(hcd);
-err:
- return ret;
-}
-
-static const struct hc_driver adm5120_hc_driver = {
- .description = hcd_name,
- .product_desc = "ADM5120 built-in USB 1.1 Host Controller",
- .hcd_priv_size = sizeof(struct admhcd),
-
- /*
- * generic hardware linkage
- */
- .irq = admhc_irq,
- .flags = HCD_USB11 | HCD_MEMORY,
-
- /*
- * basic lifecycle operations
- */
- .start = admhc_adm5120_start,
- .stop = admhc_stop,
- .shutdown = admhc_shutdown,
-
- /*
- * managing i/o requests and associated device resources
- */
- .urb_enqueue = admhc_urb_enqueue,
- .urb_dequeue = admhc_urb_dequeue,
- .endpoint_disable = admhc_endpoint_disable,
-
- /*
- * scheduling support
- */
- .get_frame_number = admhc_get_frame_number,
-
- /*
- * root hub support
- */
- .hub_status_data = admhc_hub_status_data,
- .hub_control = admhc_hub_control,
-#ifdef CONFIG_PM
- .bus_suspend = admhc_bus_suspend,
- .bus_resume = admhc_bus_resume,
-#endif
- .start_port_reset = admhc_start_port_reset,
-};
-
-static int usb_hcd_adm5120_probe(struct platform_device *pdev)
-{
- int ret;
-
- ret = admhc_adm5120_probe(&adm5120_hc_driver, pdev);
-
- return ret;
-}
-
-static int usb_hcd_adm5120_remove(struct platform_device *pdev)
-{
- struct usb_hcd *hcd = platform_get_drvdata(pdev);
-
- admhc_adm5120_remove(hcd, pdev);
-
- return 0;
-}
-
-#ifdef CONFIG_PM
-/* TODO */
-static int usb_hcd_adm5120_suspend(struct platform_device *dev)
-{
- struct usb_hcd *hcd = platform_get_drvdata(dev);
-
- return 0;
-}
-
-static int usb_hcd_adm5120_resume(struct platform_device *dev)
-{
- struct usb_hcd *hcd = platform_get_drvdata(dev);
-
- return 0;
-}
-#else
-#define usb_hcd_adm5120_suspend NULL
-#define usb_hcd_adm5120_resume NULL
-#endif /* CONFIG_PM */
-
-static struct platform_driver usb_hcd_adm5120_driver = {
- .probe = usb_hcd_adm5120_probe,
- .remove = usb_hcd_adm5120_remove,
- .shutdown = usb_hcd_platform_shutdown,
- .suspend = usb_hcd_adm5120_suspend,
- .resume = usb_hcd_adm5120_resume,
- .driver = {
- .name = "adm5120-hcd",
- .owner = THIS_MODULE,
- },
-};
-
projects / openwrt / staging / lynxis / omap.git / blobdiff