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authorMarcel Ziswiler <marcel.ziswiler@toradex.com>2012-11-12 15:28:39 +0100
committerMarcel Ziswiler <marcel.ziswiler@toradex.com>2012-11-12 15:28:39 +0100
commitf987e832a9e79d2ce8009a5ea9c7b677624b3b30 (patch)
tree0dd09a5e6b4c60ee0a9916907dfc2cda83f3e496 /include/linux/usb/f_accessory.h
parentf737b7f46a72c099cf8ac88baff02fbf61b1a47c (diff)
parentfc993d9bc48f772133d8cd156c67c296477db070 (diff)
Merge branch 'l4t/l4t-r16-r2' into colibri
Conflicts: arch/arm/mach-tegra/tegra3_usb_phy.c arch/arm/mach-tegra/usb_phy.c drivers/usb/gadget/tegra_udc.c drivers/usb/otg/Makefile drivers/video/tegra/fb.c sound/soc/tegra/tegra_pcm.c
Diffstat (limited to 'include/linux/usb/f_accessory.h')
-rw-r--r--include/linux/usb/f_accessory.h65
1 files changed, 64 insertions, 1 deletions
diff --git a/include/linux/usb/f_accessory.h b/include/linux/usb/f_accessory.h
index 5b2dcf9728e1..61ebe0aabc5b 100644
--- a/include/linux/usb/f_accessory.h
+++ b/include/linux/usb/f_accessory.h
@@ -36,13 +36,15 @@
#define ACCESSORY_STRING_URI 4
#define ACCESSORY_STRING_SERIAL 5
-/* Control request for retrieving device's protocol version (currently 1)
+/* Control request for retrieving device's protocol version
*
* requestType: USB_DIR_IN | USB_TYPE_VENDOR
* request: ACCESSORY_GET_PROTOCOL
* value: 0
* index: 0
* data version number (16 bits little endian)
+ * 1 for original accessory support
+ * 2 adds HID and device to host audio support
*/
#define ACCESSORY_GET_PROTOCOL 51
@@ -70,6 +72,65 @@
*/
#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
+ * request: ACCESSORY_SET_AUDIO_MODE
+ * value: 0 - no audio
+ * 1 - device to host, 44100 16-bit stereo PCM
+ * index: 0
+ * data none
+ */
+#define ACCESSORY_SET_AUDIO_MODE 58
+
/* ioctls for retrieving strings set by the host */
#define ACCESSORY_GET_STRING_MANUFACTURER _IOW('M', 1, char[256])
#define ACCESSORY_GET_STRING_MODEL _IOW('M', 2, char[256])
@@ -79,5 +140,7 @@
#define ACCESSORY_GET_STRING_SERIAL _IOW('M', 6, char[256])
/* returns 1 if there is a start request pending */
#define ACCESSORY_IS_START_REQUESTED _IO('M', 7)
+/* returns audio mode (set via the ACCESSORY_SET_AUDIO_MODE control request) */
+#define ACCESSORY_GET_AUDIO_MODE _IO('M', 8)
#endif /* __LINUX_USB_F_ACCESSORY_H */