The patch is already sent to upstream but not accepted yet. This patch adds test mode support for Langwell gadget driver.
Signed-off-by: Henry Yuan <[email protected]> Signed-off-by: Andy Luo <[email protected]> --- drivers/usb/gadget/langwell_udc.c | 23 +++++++++++++++++++++++ include/linux/usb/ch9.h | 9 +++++++++ 2 files changed, 32 insertions(+), 0 deletions(-) diff --git a/drivers/usb/gadget/langwell_udc.c b/drivers/usb/gadget/langwell_udc.c index 974f7e5..089d81e 100644 --- a/drivers/usb/gadget/langwell_udc.c +++ b/drivers/usb/gadget/langwell_udc.c @@ -2254,6 +2254,7 @@ static void handle_setup_packet(struct langwell_udc *dev, u16 wValue = le16_to_cpu(setup->wValue); u16 wIndex = le16_to_cpu(setup->wIndex); u16 wLength = le16_to_cpu(setup->wLength); + u32 portsc1; dev_vdbg(&dev->pdev->dev, "---> %s()\n", __func__); @@ -2354,6 +2355,28 @@ static void handle_setup_packet(struct langwell_udc *dev, dev->gadget.a_alt_hnp_support = 1; dev->dev_status |= (1 << wValue); break; + case USB_DEVICE_TEST_MODE: + dev_dbg(&dev->pdev->dev, "SETUP: TEST MODE\n"); + if ((wIndex & 0xff) || + (dev->gadget.speed != USB_SPEED_HIGH)) + ep0_stall(dev); + + switch (wIndex >> 8) { + case TEST_J: + case TEST_K: + case TEST_SE0_NAK: + case TEST_PACKET: + case TEST_FORCE_EN: + if (prime_status_phase(dev, EP_DIR_IN)) + ep0_stall(dev); + portsc1 = readl(&dev->op_regs->portsc1); + portsc1 |= (wIndex & 0xf00) << 8; + writel(portsc1, &dev->op_regs->portsc1); + goto end; + default: + rc = -EOPNOTSUPP; + } + break; default: rc = -EOPNOTSUPP; break; diff --git a/include/linux/usb/ch9.h b/include/linux/usb/ch9.h index da2ed77..6f03fb1 100644 --- a/include/linux/usb/ch9.h +++ b/include/linux/usb/ch9.h @@ -125,6 +125,15 @@ #define USB_ENDPOINT_HALT 0 /* IN/OUT will STALL */ +/* + * Test Mode Selectors + * See USB 2.0 spec Table 9-7 + */ +#define TEST_J 1 +#define TEST_K 2 +#define TEST_SE0_NAK 3 +#define TEST_PACKET 4 +#define TEST_FORCE_EN 5 /** * struct usb_ctrlrequest - SETUP data for a USB device control request -- 1.7.2.3 _______________________________________________ MeeGo-kernel mailing list [email protected] http://lists.meego.com/listinfo/meego-kernel
