Implement the test modes mentioned in 7.1.20 section of USB 2.0 specification. High-speed capable devices must support these test modes to facilitate compliance testing.
Signed-off-by: Pavankumar Kondeti <[email protected]> --- drivers/usb/gadget/ci13xxx_udc.c | 56 +++++++++++++++++++++++++++++++++---- drivers/usb/gadget/ci13xxx_udc.h | 1 + 2 files changed, 51 insertions(+), 6 deletions(-) diff --git a/drivers/usb/gadget/ci13xxx_udc.c b/drivers/usb/gadget/ci13xxx_udc.c index 1752675..e09178b 100644 --- a/drivers/usb/gadget/ci13xxx_udc.c +++ b/drivers/usb/gadget/ci13xxx_udc.c @@ -1784,6 +1784,28 @@ __acquires(mEp->lock) } /** + * isr_setup_status_complete: setup_status request complete function + * @ep: endpoint + * @req: request handled + * + * Caller must release lock. Put the port in test mode if test mode + * feature is selected. + */ +static void +isr_setup_status_complete(struct usb_ep *ep, struct usb_request *req) +{ + struct ci13xxx *udc = req->context; + unsigned long flags; + + trace("%p, %p", ep, req); + + spin_lock_irqsave(udc->lock, flags); + if (udc->test_mode) + hw_port_test_set(udc->test_mode); + spin_unlock_irqrestore(udc->lock, flags); +} + +/** * isr_setup_status_phase: queues the status phase of a setup transation * @udc: udc struct * @@ -1799,6 +1821,8 @@ __acquires(mEp->lock) trace("%p", udc); mEp = (udc->ep0_dir == TX) ? &udc->ep0out : &udc->ep0in; + udc->status->context = udc; + udc->status->complete = isr_setup_status_complete; spin_unlock(mEp->lock); retval = usb_ep_queue(&mEp->ep, udc->status, GFP_ATOMIC); @@ -1859,6 +1883,7 @@ __releases(udc->lock) __acquires(udc->lock) { unsigned i; + u8 tmode = 0; trace("%p", udc); @@ -1982,14 +2007,33 @@ __acquires(udc->lock) err = usb_ep_set_halt(&udc->ci13xxx_ep[num].ep); spin_lock(udc->lock); if (!err) - err = isr_setup_status_phase(udc); - } else if (type == (USB_DIR_OUT|USB_RECIP_DEVICE) && - le16_to_cpu(req.wValue) == - USB_DEVICE_REMOTE_WAKEUP) { + isr_setup_status_phase(udc); + } else if (type == (USB_DIR_OUT|USB_RECIP_DEVICE)) { if (req.wLength != 0) break; - udc->remote_wakeup = 1; - err = isr_setup_status_phase(udc); + switch (le16_to_cpu(req.wValue)) { + case USB_DEVICE_REMOTE_WAKEUP: + udc->remote_wakeup = 1; + err = isr_setup_status_phase(udc); + break; + case USB_DEVICE_TEST_MODE: + tmode = le16_to_cpu(req.wIndex) >> 8; + switch (tmode) { + case TEST_J: + case TEST_K: + case TEST_SE0_NAK: + case TEST_PACKET: + case TEST_FORCE_EN: + udc->test_mode = tmode; + err = isr_setup_status_phase( + udc); + break; + default: + break; + } + default: + goto delegate; + } } else { goto delegate; } diff --git a/drivers/usb/gadget/ci13xxx_udc.h b/drivers/usb/gadget/ci13xxx_udc.h index 6cfab20..2370777 100644 --- a/drivers/usb/gadget/ci13xxx_udc.h +++ b/drivers/usb/gadget/ci13xxx_udc.h @@ -131,6 +131,7 @@ struct ci13xxx { u8 remote_wakeup; /* Is remote wakeup feature enabled by the host? */ u8 suspended; /* suspended by the host */ + u8 test_mode; /* the selected test mode */ struct usb_gadget_driver *driver; /* 3rd party gadget driver */ struct ci13xxx_udc_driver *udc_driver; /* device controller driver */ -- 1.7.1 -- Sent by a consultant of the Qualcomm Innovation Center, Inc. The Qualcomm Innovation Center, Inc. is a member of the Code Aurora Forum. -- To unsubscribe from this list: send the line "unsubscribe linux-arm-msm" in the body of a message to [email protected] More majordomo info at http://vger.kernel.org/majordomo-info.html
