HID: sony: Map gyroscopes and accelerometers to axes

Use a modified HID descriptor for the Dualshock 4 to assign the gyroscope
sensors and accelerometers to axes.
Signed-off-by: Frank Praznik <frank.praznik@oh.rr.com>
Signed-off-by: Jiri Kosina <jkosina@suse.cz>

drivers/hid/hid-sony.c

@@ -73,6 +73,73 @@ static const u8 sixaxis_rdesc_fixup2[] = {
 	0xb1, 0x02, 0xc0, 0xc0,
 };
 
+static u8 dualshock4_usb_rdesc[] = {
+	0x05, 0x01, 0x09, 0x05, 0xa1, 0x01, 0x85, 0x01,
+	0x09, 0x30, 0x09, 0x31, 0x09, 0x32, 0x09, 0x35,
+	0x15, 0x00, 0x26, 0xff, 0x00, 0x75, 0x08, 0x95,
+	0x04, 0x81, 0x02, 0x09, 0x39, 0x15, 0x00, 0x25,
+	0x07, 0x35, 0x00, 0x46, 0x3b, 0x01, 0x65, 0x14,
+	0x75, 0x04, 0x95, 0x01, 0x81, 0x42, 0x65, 0x00,
+	0x05, 0x09, 0x19, 0x01, 0x29, 0x0e, 0x15, 0x00,
+	0x25, 0x01, 0x75, 0x01, 0x95, 0x0e, 0x81, 0x02,
+	0x06, 0x00, 0xff, 0x09, 0x20, 0x75, 0x06, 0x95,
+	0x01, 0x15, 0x00, 0x25, 0x7f, 0x81, 0x02, 0x05,
+	0x01, 0x09, 0x33, 0x09, 0x34, 0x15, 0x00, 0x26,
+	0xff, 0x00, 0x75, 0x08, 0x95, 0x02, 0x81, 0x02,
+	0x06, 0x00, 0xff, 0x09, 0x21, 0x95, 0x03, 0x81,
+	0x02, 0x05, 0x01, 0x19, 0x40, 0x29, 0x42, 0x16,
+	0x00, 0x80, 0x26, 0x00, 0x7f, 0x75, 0x10, 0x95,
+	0x03, 0x81, 0x02, 0x05, 0x01, 0x19, 0x43, 0x29,
+	0x45, 0x16, 0xff, 0xbf, 0x26, 0x00, 0x40, 0x95,
+	0x03, 0x81, 0x02, 0x06, 0x00, 0xff, 0x09, 0x21,
+	0x75, 0x08, 0x95, 0x27, 0x81, 0x02, 0x85, 0x05,
+	0x09, 0x22, 0x95, 0x1f, 0x91, 0x02, 0x85, 0x04,
+	0x09, 0x23, 0x95, 0x24, 0xb1, 0x02, 0x85, 0x02,
+	0x09, 0x24, 0x95, 0x24, 0xb1, 0x02, 0x85, 0x08,
+	0x09, 0x25, 0x95, 0x03, 0xb1, 0x02, 0x85, 0x10,
+	0x09, 0x26, 0x95, 0x04, 0xb1, 0x02, 0x85, 0x11,
+	0x09, 0x27, 0x95, 0x02, 0xb1, 0x02, 0x85, 0x12,
+	0x06, 0x02, 0xff, 0x09, 0x21, 0x95, 0x0f, 0xb1,
+	0x02, 0x85, 0x13, 0x09, 0x22, 0x95, 0x16, 0xb1,
+	0x02, 0x85, 0x14, 0x06, 0x05, 0xff, 0x09, 0x20,
+	0x95, 0x10, 0xb1, 0x02, 0x85, 0x15, 0x09, 0x21,
+	0x95, 0x2c, 0xb1, 0x02, 0x06, 0x80, 0xff, 0x85,
+	0x80, 0x09, 0x20, 0x95, 0x06, 0xb1, 0x02, 0x85,
+	0x81, 0x09, 0x21, 0x95, 0x06, 0xb1, 0x02, 0x85,
+	0x82, 0x09, 0x22, 0x95, 0x05, 0xb1, 0x02, 0x85,
+	0x83, 0x09, 0x23, 0x95, 0x01, 0xb1, 0x02, 0x85,
+	0x84, 0x09, 0x24, 0x95, 0x04, 0xb1, 0x02, 0x85,
+	0x85, 0x09, 0x25, 0x95, 0x06, 0xb1, 0x02, 0x85,
+	0x86, 0x09, 0x26, 0x95, 0x06, 0xb1, 0x02, 0x85,
+	0x87, 0x09, 0x27, 0x95, 0x23, 0xb1, 0x02, 0x85,
+	0x88, 0x09, 0x28, 0x95, 0x22, 0xb1, 0x02, 0x85,
+	0x89, 0x09, 0x29, 0x95, 0x02, 0xb1, 0x02, 0x85,
+	0x90, 0x09, 0x30, 0x95, 0x05, 0xb1, 0x02, 0x85,
+	0x91, 0x09, 0x31, 0x95, 0x03, 0xb1, 0x02, 0x85,
+	0x92, 0x09, 0x32, 0x95, 0x03, 0xb1, 0x02, 0x85,
+	0x93, 0x09, 0x33, 0x95, 0x0c, 0xb1, 0x02, 0x85,
+	0xa0, 0x09, 0x40, 0x95, 0x06, 0xb1, 0x02, 0x85,
+	0xa1, 0x09, 0x41, 0x95, 0x01, 0xb1, 0x02, 0x85,
+	0xa2, 0x09, 0x42, 0x95, 0x01, 0xb1, 0x02, 0x85,
+	0xa3, 0x09, 0x43, 0x95, 0x30, 0xb1, 0x02, 0x85,
+	0xa4, 0x09, 0x44, 0x95, 0x0d, 0xb1, 0x02, 0x85,
+	0xa5, 0x09, 0x45, 0x95, 0x15, 0xb1, 0x02, 0x85,
+	0xa6, 0x09, 0x46, 0x95, 0x15, 0xb1, 0x02, 0x85,
+	0xf0, 0x09, 0x47, 0x95, 0x3f, 0xb1, 0x02, 0x85,
+	0xf1, 0x09, 0x48, 0x95, 0x3f, 0xb1, 0x02, 0x85,
+	0xf2, 0x09, 0x49, 0x95, 0x0f, 0xb1, 0x02, 0x85,
+	0xa7, 0x09, 0x4a, 0x95, 0x01, 0xb1, 0x02, 0x85,
+	0xa8, 0x09, 0x4b, 0x95, 0x01, 0xb1, 0x02, 0x85,
+	0xa9, 0x09, 0x4c, 0x95, 0x08, 0xb1, 0x02, 0x85,
+	0xaa, 0x09, 0x4e, 0x95, 0x01, 0xb1, 0x02, 0x85,
+	0xab, 0x09, 0x4f, 0x95, 0x39, 0xb1, 0x02, 0x85,
+	0xac, 0x09, 0x50, 0x95, 0x39, 0xb1, 0x02, 0x85,
+	0xad, 0x09, 0x51, 0x95, 0x0b, 0xb1, 0x02, 0x85,
+	0xae, 0x09, 0x52, 0x95, 0x01, 0xb1, 0x02, 0x85,
+	0xaf, 0x09, 0x53, 0x95, 0x02, 0xb1, 0x02, 0x85,
+	0xb0, 0x09, 0x54, 0x95, 0x3f, 0xb1, 0x02, 0xc0,
+};
+
 static __u8 ps3remote_rdesc[] = {
 	0x05, 0x01,          /* GUsagePage Generic Desktop */
 	0x09, 0x05,          /* LUsage 0x05 [Game Pad] */
@@ -307,6 +374,17 @@ static __u8 *sony_report_fixup(struct hid_device *hdev, __u8 *rdesc,
 		rdesc[55] = 0x06;
 	}
 
+	/*
+	 * The default Dualshock 4 USB descriptor doesn't assign
+	 * the gyroscope values to corresponding axes so we need a
+	 * modified one.
+	 */
+	if ((sc->quirks & DUALSHOCK4_CONTROLLER_USB) && *rsize == 467) {
+		hid_info(hdev, "Using modified Dualshock 4 report descriptor with gyroscope axes\n");
+		rdesc = dualshock4_usb_rdesc;
+		*rsize = sizeof(dualshock4_usb_rdesc);
+	}
+
 	/* The HID descriptor exposed over BT has a trailing zero byte */
 	if ((((sc->quirks & SIXAXIS_CONTROLLER_USB) && *rsize == 148) ||
 			((sc->quirks & SIXAXIS_CONTROLLER_BT) && *rsize == 149)) &&