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Commit 1e93674a authored by Andreas Hübner's avatar Andreas Hübner Committed by Jiri Kosina
Browse files

HID: add new driver for non-compliant Saitek devices 



The driver currently only supports the PS1000 controller.
It fixes the report descriptor by removing a non-existing axis and
clearing the constant bit on the d-pad and button input reports.

Signed-off-by: default avatarAndreas Hübner <andreas@k4n.de>
Signed-off-by: default avatarJiri Kosina <jkosina@suse.cz>
parent 0944e964

drivers/hid/Kconfig

+9 −0
Original line number Diff line number Diff line
@@ -532,6 +532,15 @@ config HID_ROCCAT_PYRA 
	---help---

	Support for Roccat Pyra mouse.



config HID_SAITEK

	tristate "Saitek non-fully HID-compliant devices"

	depends on USB_HID

	---help---

	Support for Saitek devices that are not fully compliant with the

	HID standard.



	Currently only supports the PS1000 controller.



config HID_SAMSUNG

	tristate "Samsung InfraRed remote control or keyboards"

	depends on USB_HID

drivers/hid/Makefile

+1 −0
Original line number Diff line number Diff line
@@ -72,6 +72,7 @@ obj-$(CONFIG_HID_ROCCAT_KONE) += hid-roccat-kone.o 
obj-$(CONFIG_HID_ROCCAT_KONEPLUS)	+= hid-roccat-koneplus.o

obj-$(CONFIG_HID_ROCCAT_KOVAPLUS)	+= hid-roccat-kovaplus.o

obj-$(CONFIG_HID_ROCCAT_PYRA)	+= hid-roccat-pyra.o

obj-$(CONFIG_HID_SAITEK)	+= hid-saitek.o

obj-$(CONFIG_HID_SAMSUNG)	+= hid-samsung.o

obj-$(CONFIG_HID_SMARTJOYPLUS)	+= hid-sjoy.o

obj-$(CONFIG_HID_SONY)		+= hid-sony.o

drivers/hid/hid-core.c

+1 −0
Original line number Diff line number Diff line
@@ -1519,6 +1519,7 @@ static const struct hid_device_id hid_have_special_driver[] = { 
	{ HID_USB_DEVICE(USB_VENDOR_ID_ROCCAT, USB_DEVICE_ID_ROCCAT_KOVAPLUS) },

	{ HID_USB_DEVICE(USB_VENDOR_ID_ROCCAT, USB_DEVICE_ID_ROCCAT_PYRA_WIRED) },

	{ HID_USB_DEVICE(USB_VENDOR_ID_ROCCAT, USB_DEVICE_ID_ROCCAT_PYRA_WIRELESS) },

	{ HID_USB_DEVICE(USB_VENDOR_ID_SAITEK, USB_DEVICE_ID_SAITEK_PS1000) },

	{ HID_USB_DEVICE(USB_VENDOR_ID_SAMSUNG, USB_DEVICE_ID_SAMSUNG_IR_REMOTE) },

	{ HID_USB_DEVICE(USB_VENDOR_ID_SAMSUNG, USB_DEVICE_ID_SAMSUNG_WIRELESS_KBD_MOUSE) },

	{ HID_USB_DEVICE(USB_VENDOR_ID_SKYCABLE, USB_DEVICE_ID_SKYCABLE_WIRELESS_PRESENTER) },

drivers/hid/hid-ids.h

+1 −0
Original line number Diff line number Diff line
@@ -615,6 +615,7 @@ 


#define USB_VENDOR_ID_SAITEK		0x06a3

#define USB_DEVICE_ID_SAITEK_RUMBLEPAD	0xff17

#define USB_DEVICE_ID_SAITEK_PS1000	0xff17



#define USB_VENDOR_ID_SAMSUNG		0x0419

#define USB_DEVICE_ID_SAMSUNG_IR_REMOTE	0x0001

drivers/hid/hid-saitek.c

0 → 100644
+70 −0
Original line number Diff line number Diff line 
/*

 *  HID driver for Saitek devices, currently only the PS1000 (USB gamepad).

 *  Fixes the HID report descriptor by removing a non-existent axis and

 *  clearing the constant bit on the input reports for buttons and d-pad.

 *  (This module is based on "hid-ortek".)

 *

 *  Copyright (c) 2012 Andreas Hübner

 */



/*

 * 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 <linux/kernel.h>



#include "hid-ids.h"



static __u8 *saitek_report_fixup(struct hid_device *hdev, __u8 *rdesc,

		unsigned int *rsize)

{

	if (*rsize == 137 && rdesc[20] == 0x09 && rdesc[21] == 0x33

			&& rdesc[94] == 0x81 && rdesc[95] == 0x03

			&& rdesc[110] == 0x81 && rdesc[111] == 0x03) {



		hid_info(hdev, "Fixing up Saitek PS1000 report descriptor\n");



		/* convert spurious axis to a "noop" Logical Minimum (0) */

		rdesc[20] = 0x15;

		rdesc[21] = 0x00;



		/* clear constant bit on buttons and d-pad */

		rdesc[95] = 0x02;

		rdesc[111] = 0x02;



	}

	return rdesc;

}



static const struct hid_device_id saitek_devices[] = {

	{ HID_USB_DEVICE(USB_VENDOR_ID_SAITEK, USB_DEVICE_ID_SAITEK_PS1000)},

	{ }

};



MODULE_DEVICE_TABLE(hid, saitek_devices);



static struct hid_driver saitek_driver = {

	.name = "saitek",

	.id_table = saitek_devices,

	.report_fixup = saitek_report_fixup

};



static int __init saitek_init(void)

{

	return hid_register_driver(&saitek_driver);

}



static void __exit saitek_exit(void)

{

	hid_unregister_driver(&saitek_driver);

}



module_init(saitek_init);

module_exit(saitek_exit);

MODULE_LICENSE("GPL");