diff options
| author | Rakesh Bodla <rbodla@nvidia.com> | 2012-08-14 17:36:15 +0530 |
|---|---|---|
| committer | Simone Willett <swillett@nvidia.com> | 2012-08-16 13:46:29 -0700 |
| commit | d9b6490efce58b5790a7e5d02727b0aa6b357c9e (patch) | |
| tree | 013e735eed3179208d0c463683fa893b1cc78ec1 /include/linux | |
| parent | 23d5fe76cdc190682d1ca7cd1db0b4933631779c (diff) | |
USB: gadget: f_accessory: Add support for HID input devices
Bug 1026047
Signed-off-by: Mike Lockwood <lockwood@google.com>
(cherry picked from commit 7a3d01af4f04950a86a18f5a439f1802d8093650)
Conflicts:
drivers/usb/gadget/f_accessory.c
Change-Id: I30bc02a1bcf636967d56370db83578f49f0e7514
Signed-off-by: Rakesh Bodla <rbodla@nvidia.com>
Reviewed-on: http://git-master/r/123342
Reviewed-by: Venkat Moganty <vmoganty@nvidia.com>
Diffstat (limited to 'include/linux')
| -rw-r--r-- | include/linux/usb/f_accessory.h | 50 |
1 files changed, 49 insertions, 1 deletions
diff --git a/include/linux/usb/f_accessory.h b/include/linux/usb/f_accessory.h index ddb2fd0e88fb..61ebe0aabc5b 100644 --- a/include/linux/usb/f_accessory.h +++ b/include/linux/usb/f_accessory.h @@ -44,7 +44,7 @@ * index: 0 * data version number (16 bits little endian) * 1 for original accessory support - * 2 adds device to host audio support + * 2 adds HID and device to host audio support */ #define ACCESSORY_GET_PROTOCOL 51 @@ -72,6 +72,54 @@ */ #define ACCESSORY_START 53 +/* Control request for registering a HID device. + * Upon registering, a unique ID is sent by the accessory in the + * value parameter. This ID will be used for future commands for + * the device + * + * requestType: USB_DIR_OUT | USB_TYPE_VENDOR + * request: ACCESSORY_REGISTER_HID_DEVICE + * value: Accessory assigned ID for the HID device + * index: total length of the HID report descriptor + * data none + */ +#define ACCESSORY_REGISTER_HID 54 + +/* Control request for unregistering a HID device. + * + * requestType: USB_DIR_OUT | USB_TYPE_VENDOR + * request: ACCESSORY_REGISTER_HID + * value: Accessory assigned ID for the HID device + * index: 0 + * data none + */ +#define ACCESSORY_UNREGISTER_HID 55 + +/* Control request for sending the HID report descriptor. + * If the HID descriptor is longer than the endpoint zero max packet size, + * the descriptor will be sent in multiple ACCESSORY_SET_HID_REPORT_DESC + * commands. The data for the descriptor must be sent sequentially + * if multiple packets are needed. + * + * requestType: USB_DIR_OUT | USB_TYPE_VENDOR + * request: ACCESSORY_SET_HID_REPORT_DESC + * value: Accessory assigned ID for the HID device + * index: offset of data in descriptor + * (needed when HID descriptor is too big for one packet) + * data the HID report descriptor + */ +#define ACCESSORY_SET_HID_REPORT_DESC 56 + +/* Control request for sending HID events. + * + * requestType: USB_DIR_OUT | USB_TYPE_VENDOR + * request: ACCESSORY_SEND_HID_EVENT + * value: Accessory assigned ID for the HID device + * index: 0 + * data the HID report for the event + */ +#define ACCESSORY_SEND_HID_EVENT 57 + /* Control request for setting the audio mode. * * requestType: USB_DIR_OUT | USB_TYPE_VENDOR |