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From:   sanjay.govind9@gmail.com
To:     jikos@kernel.org
Cc:     Sanjay Govind <sanjay.govind9@gmail.com>,
        benjamin.tissoires@redhat.com, linux-input@vger.kernel.org,
        linux-kernel@vger.kernel.org, Pascal.Giard@etsmtl.ca
Subject: [PATCH] HID: sony: Add support for tilt on guitar hero guitars
Date:   Tue,  1 Dec 2020 08:43:15 +1300
Message-Id: <20201130194314.89509-1-sanjay.govind9@gmail.com>
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From: Sanjay Govind <sanjay.govind9@gmail.com>

This commit adds support for tilt on Standard Guitar Hero PS3 Guitars, and GH3 PC Guitars, mapping it to ABS_RY.

Note that GH3 PC Guitars are identical, only they use different VID and PIDs.
Also note that vendor id 0x12ba is used by a variety of different rhythm controllers on the ps3.

Signed-off-by: Sanjay Govind <sanjay.govind9@gmail.com>
---
 drivers/hid/Kconfig    |  1 +
 drivers/hid/hid-ids.h  |  6 +++++-
 drivers/hid/hid-sony.c | 18 +++++++++++++-----
 3 files changed, 19 insertions(+), 6 deletions(-)

diff --git a/drivers/hid/Kconfig b/drivers/hid/Kconfig
index 18b3ad50e1ca..02124c2c4b2e 100644
--- a/drivers/hid/Kconfig
+++ b/drivers/hid/Kconfig
@@ -908,6 +908,7 @@ config HID_SONY
 	  * Sony PS3 Blue-ray Disk Remote Control (Bluetooth)
 	  * Logitech Harmony adapter for Sony Playstation 3 (Bluetooth)
 	  * Guitar Hero Live PS3 and Wii U guitar dongles
+	  * Guitar Hero PS3 and PC guitar dongles
 
 config SONY_FF
 	bool "Sony PS2/3/4 accessories force feedback support" 
diff --git a/drivers/hid/hid-ids.h b/drivers/hid/hid-ids.h
index eee6e27d5f1e..3479ae7dd651 100644
--- a/drivers/hid/hid-ids.h
+++ b/drivers/hid/hid-ids.h
@@ -40,6 +40,9 @@
 #define USB_VENDOR_ID_ACTIONSTAR	0x2101
 #define USB_DEVICE_ID_ACTIONSTAR_1011	0x1011
 
+#define USB_VENDOR_ID_ACTIVISION	0x1430
+#define USB_DEVICE_ID_ACTIVISION_GUITAR_DONGLE	0x474c
+
 #define USB_VENDOR_ID_ADS_TECH		0x06e1
 #define USB_DEVICE_ID_ADS_TECH_RADIO_SI470X	0xa155
 
@@ -1074,8 +1077,9 @@
 #define USB_DEVICE_ID_SONY_BUZZ_CONTROLLER		0x0002
 #define USB_DEVICE_ID_SONY_WIRELESS_BUZZ_CONTROLLER	0x1000
 
-#define USB_VENDOR_ID_SONY_GHLIVE			0x12ba
+#define USB_VENDOR_ID_SONY_RHYTHM	0x12ba
 #define USB_DEVICE_ID_SONY_PS3WIIU_GHLIVE_DONGLE	0x074b
+#define USB_DEVICE_ID_SONY_PS3_GUITAR_DONGLE	0x0100
 
 #define USB_VENDOR_ID_SINO_LITE			0x1345
 #define USB_DEVICE_ID_SINO_LITE_CONTROLLER	0x3008
diff --git a/drivers/hid/hid-sony.c b/drivers/hid/hid-sony.c
index 326c4bdbd0ea..94dca5a5d361 100644
--- a/drivers/hid/hid-sony.c
+++ b/drivers/hid/hid-sony.c
@@ -12,6 +12,7 @@
  *  Copyright (c) 2014-2016 Frank Praznik <frank.praznik@gmail.com>
  *  Copyright (c) 2018 Todd Kelner
  *  Copyright (c) 2020 Pascal Giard <pascal.giard@etsmtl.ca>
+ *  Copyright (c) 2020 Sanjay Govind <sanjay.govind9@gmail.com>
  */
 
 /*
@@ -59,7 +60,8 @@
 #define NSG_MR5U_REMOTE_BT        BIT(14)
 #define NSG_MR7U_REMOTE_BT        BIT(15)
 #define SHANWAN_GAMEPAD           BIT(16)
-#define GHL_GUITAR_PS3WIIU        BIT(17)
+#define GH_GUITAR_CONTROLLER      BIT(17)
+#define GHL_GUITAR_PS3WIIU        BIT(18)
 
 #define SIXAXIS_CONTROLLER (SIXAXIS_CONTROLLER_USB | SIXAXIS_CONTROLLER_BT)
 #define MOTION_CONTROLLER (MOTION_CONTROLLER_USB | MOTION_CONTROLLER_BT)
@@ -84,7 +86,7 @@
 #define NSG_MRXU_MAX_Y 1868
 
 #define GHL_GUITAR_POKE_INTERVAL 10 /* In seconds */
-#define GHL_GUITAR_TILT_USAGE 44
+#define GUITAR_TILT_USAGE 44
 
 /* Magic value and data taken from GHLtarUtility:
  * https://github.com/ghlre/GHLtarUtility/blob/master/PS3Guitar.cs
@@ -692,7 +694,7 @@ static int guitar_mapping(struct hid_device *hdev, struct hid_input *hi,
 	if ((usage->hid & HID_USAGE_PAGE) == HID_UP_MSVENDOR) {
 		unsigned int abs = usage->hid & HID_USAGE;
 
-		if (abs == GHL_GUITAR_TILT_USAGE) {
+		if (abs == GUITAR_TILT_USAGE) {
 			hid_map_usage_clear(hi, usage, bit, max, EV_ABS, ABS_RY);
 			return 1;
 		}
@@ -1481,7 +1483,7 @@ static int sony_mapping(struct hid_device *hdev, struct hid_input *hi,
 	if (sc->quirks & DUALSHOCK4_CONTROLLER)
 		return ds4_mapping(hdev, hi, field, usage, bit, max);
 
-	if (sc->quirks & GHL_GUITAR_PS3WIIU)
+	if (sc->quirks & GH_GUITAR_CONTROLLER)
 		return guitar_mapping(hdev, hi, field, usage, bit, max);
 
 	/* Let hid-core decide for the others */
@@ -3146,7 +3148,13 @@ static const struct hid_device_id sony_devices[] = {
 		.driver_data = NSG_MR7U_REMOTE_BT },
 	/* Guitar Hero Live PS3 and Wii U guitar dongles */
 	{ HID_USB_DEVICE(USB_VENDOR_ID_SONY_GHLIVE, USB_DEVICE_ID_SONY_PS3WIIU_GHLIVE_DONGLE),
-		.driver_data = GHL_GUITAR_PS3WIIU},
+		.driver_data = GHL_GUITAR_PS3WIIU | GH_GUITAR_CONTROLLER },
+	/* Guitar Hero PC Guitar Dongle */
+	{ HID_USB_DEVICE(USB_VENDOR_ID_ACTIVISION, USB_DEVICE_ID_ACTIVISION_GUITAR),
+		.driver_data = GH_GUITAR_CONTROLLER },
+	/* Guitar Hero PS3 World Tour Guitar Dongle */
+	{ HID_USB_DEVICE(USB_VENDOR_ID_SONY_RHYTHM, USB_DEVICE_ID_SONY_PS3_GUITAR_DONGLE),
+		.driver_data = GH_GUITAR_CONTROLLER },
 	{ }
 };
 MODULE_DEVICE_TABLE(hid, sony_devices);
-- 
2.29.2