static int ohci_hcd_au1xxx_drv_probe(struct platform_device *pdev)
{
int ret;
struct usb_hcd *hcd;
if (usb_disabled())
return -ENODEV;
if (pdev->resource[1].flags != IORESOURCE_IRQ) {
pr_debug("resource[1] is not IORESOURCE_IRQ\n");
return -ENOMEM;
}
hcd = usb_create_hcd(&ohci_au1xxx_hc_driver, &pdev->dev, "au1xxx");
if (!hcd)
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)) {
pr_debug("request_mem_region failed\n");
ret = -EBUSY;
goto err1;
}
hcd->regs = ioremap(hcd->rsrc_start, hcd->rsrc_len);
if (!hcd->regs) {
pr_debug("ioremap failed\n");
ret = -ENOMEM;
goto err2;
}
if (alchemy_usb_control(ALCHEMY_USB_OHCI0, 1)) {
printk(KERN_INFO "%s: controller init failed!\n", pdev->name);
ret = -ENODEV;
goto err3;
}
ohci_hcd_init(hcd_to_ohci(hcd));
ret = usb_add_hcd(hcd, pdev->resource[1].start,
IRQF_SHARED);
if (ret == 0) {
platform_set_drvdata(pdev, hcd);
return ret;
}
alchemy_usb_control(ALCHEMY_USB_OHCI0, 0);
err3:
iounmap(hcd->regs);
err2:
release_mem_region(hcd->rsrc_start, hcd->rsrc_len);
err1:
usb_put_hcd(hcd);
return ret;
}
static int ehci_hcd_au1xxx_drv_suspend(struct device *dev)
{
struct usb_hcd *hcd = dev_get_drvdata(dev);
struct ehci_hcd *ehci = hcd_to_ehci(hcd);
unsigned long flags;
int rc = 0;
if (time_before(jiffies, ehci->next_statechange))
msleep(10);
/*
*/
ehci_prepare_ports_for_controller_suspend(ehci, device_may_wakeup(dev));
spin_lock_irqsave(&ehci->lock, flags);
ehci_writel(ehci, 0, &ehci->regs->intr_enable);
(void)ehci_readl(ehci, &ehci->regs->intr_enable);
clear_bit(HCD_FLAG_HW_ACCESSIBLE, &hcd->flags);
spin_unlock_irqrestore(&ehci->lock, flags);
//
//
alchemy_usb_control(ALCHEMY_USB_EHCI0, 0);
return rc;
}
static int ohci_hcd_au1xxx_drv_suspend(struct device *dev)
{
struct usb_hcd *hcd = dev_get_drvdata(dev);
struct ohci_hcd *ohci = hcd_to_ohci(hcd);
unsigned long flags;
int rc;
rc = 0;
/* Root hub was already suspended. Disable irq emission and
* mark HW unaccessible, bail out if RH has been resumed. Use
* the spinlock to properly synchronize with possible pending
* RH suspend or resume activity.
*/
spin_lock_irqsave(&ohci->lock, flags);
if (ohci->rh_state != OHCI_RH_SUSPENDED) {
rc = -EINVAL;
goto bail;
}
ohci_writel(ohci, OHCI_INTR_MIE, &ohci->regs->intrdisable);
(void)ohci_readl(ohci, &ohci->regs->intrdisable);
clear_bit(HCD_FLAG_HW_ACCESSIBLE, &hcd->flags);
alchemy_usb_control(ALCHEMY_USB_OHCI0, 0);
bail:
spin_unlock_irqrestore(&ohci->lock, flags);
return rc;
}
/* Power off/suspend callback for the ohci platform driver */
static void alchemy_ohci_power_off(struct platform_device *pdev)
{
int unit;
unit = (pdev->id == 1) ?
ALCHEMY_USB_OHCI1 : ALCHEMY_USB_OHCI0;
alchemy_usb_control(unit, 0);
}
/* Power on callback for the ohci platform driver */
static int alchemy_ohci_power_on(struct platform_device *pdev)
{
int unit;
unit = (pdev->id == 1) ?
ALCHEMY_USB_OHCI1 : ALCHEMY_USB_OHCI0;
return alchemy_usb_control(unit, 1);
}
static int ehci_hcd_au1xxx_drv_resume(struct device *dev)
{
struct usb_hcd *hcd = dev_get_drvdata(dev);
struct ehci_hcd *ehci = hcd_to_ehci(hcd);
alchemy_usb_control(ALCHEMY_USB_EHCI0, 1);
//
if (time_before(jiffies, ehci->next_statechange))
msleep(100);
/* */
set_bit(HCD_FLAG_HW_ACCESSIBLE, &hcd->flags);
/*
*/
if (ehci_readl(ehci, &ehci->regs->configured_flag) == FLAG_CF) {
int mask = INTR_MASK;
ehci_prepare_ports_for_controller_resume(ehci);
if (!hcd->self.root_hub->do_remote_wakeup)
mask &= ~STS_PCD;
ehci_writel(ehci, mask, &ehci->regs->intr_enable);
ehci_readl(ehci, &ehci->regs->intr_enable);
return 0;
}
ehci_dbg(ehci, "lost power, restarting\n");
usb_root_hub_lost_power(hcd->self.root_hub);
/*
*/
(void) ehci_halt(ehci);
(void) ehci_reset(ehci);
/* */
spin_lock_irq(&ehci->lock);
if (ehci->reclaim)
end_unlink_async(ehci);
ehci_work(ehci);
spin_unlock_irq(&ehci->lock);
ehci_writel(ehci, ehci->command, &ehci->regs->command);
ehci_writel(ehci, FLAG_CF, &ehci->regs->configured_flag);
ehci_readl(ehci, &ehci->regs->command); /* */
/* */
ehci_port_power(ehci, 1);
ehci->rh_state = EHCI_RH_SUSPENDED;
return 0;
}
static int ohci_hcd_au1xxx_drv_resume(struct device *dev)
{
struct usb_hcd *hcd = dev_get_drvdata(dev);
alchemy_usb_control(ALCHEMY_USB_OHCI0, 1);
set_bit(HCD_FLAG_HW_ACCESSIBLE, &hcd->flags);
ohci_finish_controller_resume(hcd);
return 0;
}
static int ohci_hcd_au1xxx_drv_remove(struct platform_device *pdev)
{
struct usb_hcd *hcd = platform_get_drvdata(pdev);
usb_remove_hcd(hcd);
alchemy_usb_control(ALCHEMY_USB_OHCI0, 0);
iounmap(hcd->regs);
release_mem_region(hcd->rsrc_start, hcd->rsrc_len);
usb_put_hcd(hcd);
platform_set_drvdata(pdev, NULL);
return 0;
}
/* Power off/suspend callback for the ehci platform driver */
static void alchemy_ehci_power_off(struct platform_device *pdev)
{
alchemy_usb_control(ALCHEMY_USB_EHCI0, 0);
}
/* Power on callback for the ehci platform driver */
static int alchemy_ehci_power_on(struct platform_device *pdev)
{
return alchemy_usb_control(ALCHEMY_USB_EHCI0, 1);
}
static int ehci_hcd_au1xxx_drv_probe(struct platform_device *pdev)
{
struct usb_hcd *hcd;
struct ehci_hcd *ehci;
struct resource *res;
int ret;
if (usb_disabled())
return -ENODEV;
if (pdev->resource[1].flags != IORESOURCE_IRQ) {
pr_debug("resource[1] is not IORESOURCE_IRQ");
return -ENOMEM;
}
hcd = usb_create_hcd(&ehci_au1xxx_hc_driver, &pdev->dev, "Au1xxx");
if (!hcd)
return -ENOMEM;
res = platform_get_resource(pdev, IORESOURCE_MEM, 0);
hcd->rsrc_start = res->start;
hcd->rsrc_len = resource_size(res);
if (!request_mem_region(hcd->rsrc_start, hcd->rsrc_len, hcd_name)) {
pr_debug("request_mem_region failed");
ret = -EBUSY;
goto err1;
}
hcd->regs = ioremap(hcd->rsrc_start, hcd->rsrc_len);
if (!hcd->regs) {
pr_debug("ioremap failed");
ret = -ENOMEM;
goto err2;
}
if (alchemy_usb_control(ALCHEMY_USB_EHCI0, 1)) {
printk(KERN_INFO "%s: controller init failed!\n", pdev->name);
ret = -ENODEV;
goto err3;
}
ehci = hcd_to_ehci(hcd);
ehci->caps = hcd->regs;
ehci->regs = hcd->regs +
HC_LENGTH(ehci, readl(&ehci->caps->hc_capbase));
/* */
ehci->hcs_params = readl(&ehci->caps->hcs_params);
ret = usb_add_hcd(hcd, pdev->resource[1].start,
IRQF_SHARED);
if (ret == 0) {
platform_set_drvdata(pdev, hcd);
return ret;
}
alchemy_usb_control(ALCHEMY_USB_EHCI0, 0);
err3:
iounmap(hcd->regs);
err2:
release_mem_region(hcd->rsrc_start, hcd->rsrc_len);
err1:
usb_put_hcd(hcd);
return ret;
}
