/*
* We need to register our own PCI probe function (instead of the USB core's
* function) in order to create a second roothub under xHCI.
*/
static int xhci_pci_probe(struct pci_dev *dev, const struct pci_device_id *id)
{
int retval;
struct xhci_hcd *xhci;
struct hc_driver *driver;
struct usb_hcd *hcd;
driver = (struct hc_driver *)id->driver_data;
/* Prevent runtime suspending between USB-2 and USB-3 initialization */
pm_runtime_get_noresume(&dev->dev);
/* Register the USB 2.0 roothub.
* FIXME: USB core must know to register the USB 2.0 roothub first.
* This is sort of silly, because we could just set the HCD driver flags
* to say USB 2.0, but I'm not sure what the implications would be in
* the other parts of the HCD code.
*/
retval = usb_hcd_pci_probe(dev, id);
if (retval)
goto put_runtime_pm;
/* USB 2.0 roothub is stored in the PCI device now. */
hcd = dev_get_drvdata(&dev->dev);
xhci = hcd_to_xhci(hcd);
xhci->shared_hcd = usb_create_shared_hcd(driver, &dev->dev,
pci_name(dev), hcd);
if (!xhci->shared_hcd) {
retval = -ENOMEM;
goto dealloc_usb2_hcd;
}
retval = usb_add_hcd(xhci->shared_hcd, dev->irq,
IRQF_SHARED);
if (retval)
goto put_usb3_hcd;
/* Roothub already marked as USB 3.0 speed */
if (!(xhci->quirks & XHCI_BROKEN_STREAMS) &&
HCC_MAX_PSA(xhci->hcc_params) >= 4)
xhci->shared_hcd->can_do_streams = 1;
if (xhci->quirks & XHCI_PME_STUCK_QUIRK)
xhci_pme_acpi_rtd3_enable(dev);
/* USB-2 and USB-3 roothubs initialized, allow runtime pm suspend */
pm_runtime_put_noidle(&dev->dev);
return 0;
put_usb3_hcd:
usb_put_hcd(xhci->shared_hcd);
dealloc_usb2_hcd:
usb_hcd_pci_remove(dev);
put_runtime_pm:
pm_runtime_put_noidle(&dev->dev);
return retval;
}
/*
* We need to register our own PCI probe function (instead of the USB core's
* function) in order to create a second roothub under xHCI.
*/
static int xhci_pci_probe(struct pci_dev *dev, const struct pci_device_id *id)
{
int retval;
struct xhci_hcd *xhci;
struct hc_driver *driver;
struct usb_hcd *hcd;
driver = (struct hc_driver *)id->driver_data;
/* Register the USB 2.0 roothub.
* FIXME: USB core must know to register the USB 2.0 roothub first.
* This is sort of silly, because we could just set the HCD driver flags
* to say USB 2.0, but I'm not sure what the implications would be in
* the other parts of the HCD code.
*/
retval = usb_hcd_pci_probe(dev, id);
if (retval)
return retval;
/* USB 2.0 roothub is stored in the PCI device now. */
hcd = dev_get_drvdata(&dev->dev);
xhci = hcd_to_xhci(hcd);
xhci->shared_hcd = usb_create_shared_hcd(driver, &dev->dev,
pci_name(dev), hcd);
if (!xhci->shared_hcd) {
retval = -ENOMEM;
goto dealloc_usb2_hcd;
}
/* Set the xHCI pointer before xhci_pci_setup() (aka hcd_driver.reset)
* is called by usb_add_hcd().
*/
*((struct xhci_hcd **) xhci->shared_hcd->hcd_priv) = xhci;
retval = usb_add_hcd(xhci->shared_hcd, dev->irq,
IRQF_DISABLED | IRQF_SHARED);
if (retval)
goto put_usb3_hcd;
/* Roothub already marked as USB 3.0 speed */
/* We know the LPM timeout algorithms for this host, let the USB core
* enable and disable LPM for devices under the USB 3.0 roothub.
*/
if (xhci->quirks & XHCI_LPM_SUPPORT)
hcd_to_bus(xhci->shared_hcd)->root_hub->lpm_capable = 1;
return 0;
put_usb3_hcd:
usb_put_hcd(xhci->shared_hcd);
dealloc_usb2_hcd:
usb_hcd_pci_remove(dev);
return retval;
}
/*
* We need to register our own PCI probe function (instead of the USB core's
* function) in order to create a second roothub under xHCI.
*/
static int xhci_pci_probe(struct pci_dev *dev, const struct pci_device_id *id)
{
int retval;
struct xhci_hcd *xhci;
struct hc_driver *driver;
struct usb_hcd *hcd;
driver = (struct hc_driver *)id->driver_data;
/* Register the USB 2.0 roothub.
* FIXME: USB core must know to register the USB 2.0 roothub first.
* This is sort of silly, because we could just set the HCD driver flags
* to say USB 2.0, but I'm not sure what the implications would be in
* the other parts of the HCD code.
*/
retval = usb_hcd_pci_probe(dev, id);
if (retval)
return retval;
/* USB 2.0 roothub is stored in the PCI device now. */
hcd = dev_get_drvdata(&dev->dev);
xhci = hcd_to_xhci(hcd);
xhci->shared_hcd = usb_create_shared_hcd(driver, &dev->dev,
pci_name(dev), hcd);
if (!xhci->shared_hcd) {
retval = -ENOMEM;
goto dealloc_usb2_hcd;
}
if (pdev->vendor == PCI_VENDOR_ID_VIA)
xhci->quirks |= XHCI_RESET_ON_RESUME;
/* Set the xHCI pointer before xhci_pci_setup() (aka hcd_driver.reset)
* is called by usb_add_hcd().
*/
*((struct xhci_hcd **) xhci->shared_hcd->hcd_priv) = xhci;
retval = usb_add_hcd(xhci->shared_hcd, dev->irq,
IRQF_DISABLED | IRQF_SHARED);
if (retval)
goto put_usb3_hcd;
/* Roothub already marked as USB 3.0 speed */
return 0;
put_usb3_hcd:
usb_put_hcd(xhci->shared_hcd);
dealloc_usb2_hcd:
usb_hcd_pci_remove(dev);
return retval;
}
int xlp_ehci_hcd_pci_probe(struct pci_dev *dev, const struct pci_device_id *id)
{
int irq, irt, ctrl_no;
ctrl_no = dev->devfn & 0xF;
irt = usb_reg_read(0, ctrl_no, 0x3D) & 0xFFFF;
irq = nlm_hal_request_shared_irq(irt);
if (!irq) {
printk("Found HC with no IRQ. Check BIOS/PCI %s setup!\n",
pci_name(dev));
return -ENODEV;
}
dev->irq = irq;
xlp_usb_hw_start(ctrl_no);
return usb_hcd_pci_probe(dev, id);
}
/*------------------------------------------------------------------------*/
void BootStartUSB(void)
{
int n;
nousb=0;
init_wrapper();
subsys_usb_init();
hub_thread_handler=thread_handler;
usb_hcd_pci_probe(&xx_ohci_dev, module_table_pci_ids);
XPADInit();
XRemoteInit();
UsbKeyBoardInit();
UsbMouseInit();
for(n=0;n<200;n++) {
USBGetEvents();
wait_ms(1);
}
}
/*
* test_hcd_probe
* make call to usb_hcd_pci_probe which will
* enable the usb hostcontroller, pass in a pci_dev
* and a pci_device_id
*/
static int test_hcd_probe()
{
int rc;
struct usb_hcd *hcd = NULL;
struct pci_dev *pdev = ltp_usb.pdev;
struct pci_device_id *id = NULL;
if (!pdev) {
printk("tusb: pdev pointer not set\n");
return 1;
}
id = (struct pci_device_id *)pdev->driver->id_table;
if (!id || !id->driver_data) {
printk("tusb: id_table not set\n");
return 1;
}
/* release regions before probe call */
hcd = pci_get_drvdata(pdev);
if (!hcd) {
printk("tusb: hcd pointer not found\n");
return 1;
} else
release_region(pci_resource_start(pdev, hcd->region),
pci_resource_len(pdev, hcd->region));
/* make test call */
rc = usb_hcd_pci_probe(pdev, id);
if (rc)
printk("tusb: retval hcd probe = %d\n", rc);
else
printk("tusb: Success for usb_hcd_pci_probe\n");
return rc;
}
/*
* We need to register our own PCI probe function (instead of the USB core's
* function) in order to create a second roothub under xHCI.
*/
static int xhci_ush_pci_probe(struct pci_dev *dev,
const struct pci_device_id *id)
{
int retval;
struct xhci_hcd *xhci;
struct hc_driver *driver;
struct usb_hcd *hcd;
driver = (struct hc_driver *)id->driver_data;
pci_dev = dev;
/* AUX GPIO init */
retval = hsic_aux_gpio_init();
if (retval < 0) {
dev_err(&dev->dev, "AUX GPIO init fail\n");
retval = -ENODEV;
}
/* AUX GPIO init */
retval = hsic_wakeup_gpio_init();
if (retval < 0) {
dev_err(&dev->dev, "Wakeup GPIO init fail\n");
retval = -ENODEV;
}
/* Register the USB 2.0 roothub.
* FIXME: USB core must know to register the USB 2.0 roothub first.
* This is sort of silly, because we could just set the HCD driver flags
* to say USB 2.0, but I'm not sure what the implications would be in
* the other parts of the HCD code.
*/
retval = usb_hcd_pci_probe(dev, id);
if (retval)
return retval;
/* USB 2.0 roothub is stored in the PCI device now. */
hcd = dev_get_drvdata(&dev->dev);
xhci = hcd_to_xhci(hcd);
xhci->shared_hcd = usb_create_shared_hcd(driver, &dev->dev,
pci_name(dev), hcd);
if (!xhci->shared_hcd) {
retval = -ENOMEM;
goto dealloc_usb2_hcd;
}
/* Set the xHCI pointer before xhci_pci_setup() (aka hcd_driver.reset)
* is called by usb_add_hcd().
*/
*((struct xhci_hcd **) xhci->shared_hcd->hcd_priv) = xhci;
if (hsic.hsic_enable_created == 0) {
retval = create_device_files();
if (retval < 0) {
dev_dbg(&dev->dev, "error create device files\n");
goto dealloc_usb2_hcd;
}
hsic.hsic_enable_created = 1;
}
if (hsic.hsic_mutex_init == 0) {
mutex_init(&hsic.hsic_mutex);
hsic.hsic_mutex_init = 1;
}
if (hsic.aux_wq_init == 0) {
init_waitqueue_head(&hsic.aux_wq);
hsic.aux_wq_init = 1;
}
hsic.work_queue = create_singlethread_workqueue("hsic");
INIT_WORK(&hsic.wakeup_work, wakeup_work);
INIT_DELAYED_WORK(&(hsic.hsic_aux), hsic_aux_work);
retval = usb_add_hcd(xhci->shared_hcd, dev->irq,
IRQF_SHARED);
if (retval)
goto put_usb3_hcd;
/* Roothub already marked as USB 3.0 speed */
/* Enable Controller wakeup capability */
device_set_wakeup_enable(&dev->dev, true);
/* Enable runtime pm ability */
hcd->rpm_control = 1;
hcd->rpm_resume = 0;
pm_runtime_set_active(&dev->dev);
/* Check here to avoid to call pm_runtime_put_noidle() twice */
if (!pci_dev_run_wake(dev))
pm_runtime_put_noidle(&dev->dev);
pm_runtime_allow(&dev->dev);
hsic.hsic_stopped = 0;
hsic_enable = 1;
return 0;
put_usb3_hcd:
usb_put_hcd(xhci->shared_hcd);
dealloc_usb2_hcd:
usb_hcd_pci_remove(dev);
return retval;
}