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| author | Petr Štetiar <ynezz@true.cz> | 2009-11-29 23:37:07 -0800 |
|---|---|---|
| committer | Dmitry Torokhov <dmitry.torokhov@gmail.com> | 2009-11-29 23:38:01 -0800 |
| commit | dbe1420b4ba398feef035f7cd8181ec2e492228b (patch) | |
| tree | c300be7bc9a3da8ece5dcefd1a9dbc077f9423aa /drivers/input/touchscreen/usbtouchscreen.c | |
| parent | dadaae3777cbc1d747d5fd97c3eac94eb9f1a85b (diff) | |
| download | blackbird-obmc-linux-dbe1420b4ba398feef035f7cd8181ec2e492228b.tar.gz blackbird-obmc-linux-dbe1420b4ba398feef035f7cd8181ec2e492228b.zip | |
Input: usbtouchscreen - add support for ET&T TC5UH touchscreen controller
This patch adds support for the ET&T TC5UH 5-wire USB touchscreen controller.
More info at http://www.etandt.com.tw/board_solution.html
Signed-off-by: Petr Štetiar <ynezz@true.cz>
Signed-off-by: Dmitry Torokhov <dtor@mail.ru>
Diffstat (limited to 'drivers/input/touchscreen/usbtouchscreen.c')
| -rw-r--r-- | drivers/input/touchscreen/usbtouchscreen.c | 29 |
1 files changed, 29 insertions, 0 deletions
diff --git a/drivers/input/touchscreen/usbtouchscreen.c b/drivers/input/touchscreen/usbtouchscreen.c index 4474e2339f47..09a5e7341bd5 100644 --- a/drivers/input/touchscreen/usbtouchscreen.c +++ b/drivers/input/touchscreen/usbtouchscreen.c @@ -132,6 +132,7 @@ enum { DEVTYPE_JASTEC, DEVTYPE_E2I, DEVTYPE_ZYTRONIC, + DEVTYPE_TC5UH, }; #define USB_DEVICE_HID_CLASS(vend, prod) \ @@ -217,6 +218,10 @@ static struct usb_device_id usbtouch_devices[] = { {USB_DEVICE(0x14c8, 0x0003), .driver_info = DEVTYPE_ZYTRONIC}, #endif +#ifdef CONFIG_TOUCHSCREEN_USB_ETT_TC5UH + {USB_DEVICE(0x0664, 0x0309), .driver_info = DEVTYPE_TC5UH}, +#endif + {} }; @@ -554,6 +559,19 @@ static int irtouch_read_data(struct usbtouch_usb *dev, unsigned char *pkt) } #endif +/***************************************************************************** + * ET&T TC5UH part + */ +#ifdef CONFIG_TOUCHSCREEN_USB_ETT_TC5UH +static int tc5uh_read_data(struct usbtouch_usb *dev, unsigned char *pkt) +{ + dev->x = ((pkt[2] & 0x0F) << 8) | pkt[1]; + dev->y = ((pkt[4] & 0x0F) << 8) | pkt[3]; + dev->touch = pkt[0] & 0x01; + + return 1; +} +#endif /***************************************************************************** * IdealTEK URTC1000 Part @@ -844,6 +862,17 @@ static struct usbtouch_device_info usbtouch_dev_info[] = { .irq_always = true, }, #endif + +#ifdef CONFIG_TOUCHSCREEN_USB_ETT_TC5UH + [DEVTYPE_TC5UH] = { + .min_xc = 0x0, + .max_xc = 0x0fff, + .min_yc = 0x0, + .max_yc = 0x0fff, + .rept_size = 5, + .read_data = tc5uh_read_data, + }, +#endif }; |
