USB: HID: SRW-S1 Gaming Wheel Driver

Add support the SRW-S1 by patching HID descriptor to read axis
as Generic Desktop X, Y and Z (rather than Usage page being
'Simulation').

Signed-off-by: Simon Wood <simon@mungewell.org>
Tested-by: John Murphy <rosegardener@freeode.co.uk>
Signed-off-by: Jiri Kosina <jkosina@suse.cz>

5 files changed, 69 insertions, 0 deletions

diff --git a/drivers/hid/Kconfig b/drivers/hid/Kconfig
index e7d6a13ec6a6..37df92ffba50 100644
--- a/drivers/hid/Kconfig
+++ b/drivers/hid/Kconfig
@@ -596,6 +596,12 @@ config HID_SPEEDLINK
         ---help---
         Support for Speedlink Vicious and Divine Cezanne mouse.
 
+config HID_STEELSERIES_SRWS1
+        tristate "Steelseries SRW-S1 steering wheel support"
+        depends on USB_HID
+        ---help---
+        Support for Steelseries SRW-S1 steering wheel
+
 config HID_SUNPLUS
         tristate "Sunplus wireless desktop"
         depends on USB_HID
diff --git a/drivers/hid/Makefile b/drivers/hid/Makefile
index b62215716b2f..bbebe0a49798 100644
--- a/drivers/hid/Makefile
+++ b/drivers/hid/Makefile
@@ -101,6 +101,7 @@ obj-$(CONFIG_HID_SAMSUNG)	+= hid-samsung.o
 obj-$(CONFIG_HID_SMARTJOYPLUS)  += hid-sjoy.o
 obj-$(CONFIG_HID_SONY)          += hid-sony.o
 obj-$(CONFIG_HID_SPEEDLINK)     += hid-speedlink.o
+obj-$(CONFIG_HID_STEELSERIES_SRWS1)     += hid-steelseries-srws1.o
 obj-$(CONFIG_HID_SUNPLUS)       += hid-sunplus.o
 obj-$(CONFIG_HID_GREENASIA)     += hid-gaff.o
 obj-$(CONFIG_HID_THRUSTMASTER)  += hid-tmff.o
diff --git a/drivers/hid/hid-core.c b/drivers/hid/hid-core.c
index eb2ee11b6412..65cda7f95822 100644
--- a/drivers/hid/hid-core.c
+++ b/drivers/hid/hid-core.c
@@ -1697,6 +1697,7 @@ static const struct hid_device_id hid_have_special_driver[] = {
         { HID_USB_DEVICE(USB_VENDOR_ID_SONY, USB_DEVICE_ID_SONY_NAVIGATION_CONTROLLER) },
         { HID_BLUETOOTH_DEVICE(USB_VENDOR_ID_SONY, USB_DEVICE_ID_SONY_PS3_CONTROLLER) },
         { HID_USB_DEVICE(USB_VENDOR_ID_SONY, USB_DEVICE_ID_SONY_VAIO_VGX_MOUSE) },
+        { HID_USB_DEVICE(USB_VENDOR_ID_STEELSERIES, USB_DEVICE_ID_STEELSERIES_SRWS1) },
         { HID_USB_DEVICE(USB_VENDOR_ID_SUNPLUS, USB_DEVICE_ID_SUNPLUS_WDESKTOP) },
         { HID_USB_DEVICE(USB_VENDOR_ID_THRUSTMASTER, 0xb300) },
         { HID_USB_DEVICE(USB_VENDOR_ID_THRUSTMASTER, 0xb304) },
diff --git a/drivers/hid/hid-ids.h b/drivers/hid/hid-ids.h
index 4dfa605e2d14..f5976f380e1f 100644
--- a/drivers/hid/hid-ids.h
+++ b/drivers/hid/hid-ids.h
@@ -723,6 +723,9 @@
 #define USB_VENDOR_ID_STANTUM_SITRONIX          0x1403
 #define USB_DEVICE_ID_MTP_SITRONIX              0x5001
 
+#define USB_VENDOR_ID_STEELSERIES       0x1038
+#define USB_DEVICE_ID_STEELSERIES_SRWS1 0x1410
+
 #define USB_VENDOR_ID_SUN               0x0430
 #define USB_DEVICE_ID_RARITAN_KVM_DONGLE        0xcdab
 
diff --git a/drivers/hid/hid-steelseries-srws1.c b/drivers/hid/hid-steelseries-srws1.c
new file mode 100644
index 000000000000..161917c91ca8
--- /dev/null
+++ b/drivers/hid/hid-steelseries-srws1.c
@@ -0,0 +1,58 @@
+/*
+ *  HID driver for Steelseries SRW-S1
+ *
+ *  Copyright (c) 2013 Simon Wood
+ */
+
+/*
+ * This program is free software; you can redistribute it and/or modify it
+ * under the terms of the GNU General Public License as published by the Free
+ * Software Foundation; either version 2 of the License, or (at your option)
+ * any later version.
+ */
+
+#include <linux/device.h>
+#include <linux/hid.h>
+#include <linux/module.h>
+
+#include "hid-ids.h"
+
+static __u8 *steelseries_srws1_report_fixup(struct hid_device *hdev, __u8 *rdesc,
+                unsigned int *rsize)
+{
+        if (*rsize >= 115 && rdesc[11] == 0x02 && rdesc[13] == 0xc8
+                        && rdesc[29] == 0xbb && rdesc[40] == 0xc5) {
+                hid_info(hdev, "Fixing up Steelseries SRW-S1 report descriptor\n");
+                rdesc[11] = 0x01;
+                rdesc[13] = 0x30;
+                rdesc[29] = 0x31;
+                rdesc[40] = 0x32;
+        }
+        return rdesc;
+}
+
+static const struct hid_device_id steelseries_srws1_devices[] = {
+        { HID_USB_DEVICE(USB_VENDOR_ID_STEELSERIES, USB_DEVICE_ID_STEELSERIES_SRWS1) },
+        { }
+};
+MODULE_DEVICE_TABLE(hid, steelseries_srws1_devices);
+
+static struct hid_driver steelseries_srws1_driver = {
+        .name = "steelseries_srws1",
+        .id_table = steelseries_srws1_devices,
+        .report_fixup = steelseries_srws1_report_fixup
+};
+
+static int __init steelseries_srws1_init(void)
+{
+        return hid_register_driver(&steelseries_srws1_driver);
+}
+
+static void __exit steelseries_srws1_exit(void)
+{
+        hid_unregister_driver(&steelseries_srws1_driver);
+}
+
+module_init(steelseries_srws1_init);
+module_exit(steelseries_srws1_exit);
+MODULE_LICENSE("GPL");