diff options
Diffstat (limited to 'drivers/usb/core/hub.c')
| -rw-r--r-- | drivers/usb/core/hub.c | 95 |
1 files changed, 95 insertions, 0 deletions
diff --git a/drivers/usb/core/hub.c b/drivers/usb/core/hub.c index abb0084795c..f4038c53b61 100644 --- a/drivers/usb/core/hub.c +++ b/drivers/usb/core/hub.c @@ -3569,6 +3569,101 @@ static void hub_port_connect_change(struct usb_hub *hub, int port1, if (status) dev_dbg(hub_dev, "%dmA power budget left\n", status); +#ifdef CONFIG_USB_OTG_20 + + u16 idVendor = le16_to_cpu(udev->descriptor.idVendor); + if (idVendor == USB_OTG_TEST_MODE_VID) { + u16 wValue, typeReq, wIndex; + u32 set_feature = 0; + int err = 0; + struct usb_hcd *hcd = bus_to_hcd(udev->bus); + u16 idProduct = le16_to_cpu( + udev->descriptor.idProduct); + /* Convert the Test Mode Request + * to control request + */ + wValue = USB_PORT_FEAT_TEST; + typeReq = SetPortFeature; + wIndex = 1; + + switch (idProduct) { + case USB_OTG_TEST_SE0_NAK_PID: + wIndex |= USB_OTG_TEST_SE0_NAK << 8; + set_feature = 1; + break; + case USB_OTG_TEST_J_PID: + wIndex |= USB_OTG_TEST_J << 8; + set_feature = 1; + break; + case USB_OTG_TEST_K_PID: + wIndex |= USB_OTG_TEST_K << 8; + set_feature = 1; + break; + case USB_OTG_TEST_PACKET_PID: + wIndex |= USB_OTG_TEST_PACKET << 8; + set_feature = 1; + break; + case USB_OTG_TEST_HS_HOST_PORT_SUSPEND_RESUME_PID: + /* Sleep for 15 sec. Suspend + * for 15 Sec, Then Resume + */ + ssleep(15); + + err = usb_port_suspend(udev, + PMSG_SUSPEND); + if (err < 0) { + dev_err(&udev->dev, "OTG TEST_MODE:" + "Suspend Fail, %d\n", err); + goto loop_disable; + } + ssleep(15); + err = usb_port_resume(udev, PMSG_RESUME); + if (err < 0) { + dev_err(&udev->dev, + "can't resume for" + "OTG TEST_MODE: %d\n", err); + goto loop_disable; + } + break; + case USB_OTG_TEST_SINGLE_STEP_GET_DEV_DESC_PID: + /* Sleep for 15 Sec. Issue the GetDeviceDescriptor */ + ssleep(15); + err = usb_get_device_descriptor(udev, + sizeof(udev->descriptor)); + if (err < 0) { + dev_err(&udev->dev, "can't re-read" + "device descriptor for " + "OTG TEST MODE: %d\n", err); + goto loop_disable; + } + break; + case USB_OTG_TEST_SINGLE_STEP_GET_DEV_DESC_DATA_PID: + /* Issue GetDeviceDescriptor, Sleep for 15 Sec. */ + err = usb_get_device_descriptor(udev, + sizeof(udev->descriptor)); + if (err < 0) { + dev_err(&udev->dev, "can't re-read" + "device descriptor for " + "OTG TEST MODE: %d\n", err); + goto loop_disable; + } + ssleep(15); + break; + default: + /* is_targeted() will take care for wrong PID */ + dev_dbg(&udev->dev, "OTG TEST_MODE:Wrong + PID %d\n" idProduct); + break; + } + + if (set_feature) { + err = hcd->driver->hub_control(hcd, + typeReq, wValue, wIndex, + NULL, 0); + } + } + +#endif return; loop_disable: |