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USB: gadget: f_accessory: Add support for HID input devices

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Signed-off-by: Mike Lockwood <lockwood@google.com>
Change-Id: I4f5722bfa26a0d73419c54709b2f1672491bf56a
This commit is contained in:
Ajay Dudani
2012-08-27 16:23:48 +05:30
committed by Iliyan Malchev
parent c0230fd35b
commit 0b7283e0de
3 changed files with 437 additions and 9 deletions
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50
include/linux/usb/f_accessory.h
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@@ -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