Commit 14a21cd4 authored by Jiri Slaby's avatar Jiri Slaby Committed by Jiri Kosina
Browse files

HID: move a4tech quirks 



Signed-off-by: default avatarJiri Slaby <jirislaby@gmail.com>
Signed-off-by: default avatarJiri Kosina <jkosina@suse.cz>
parent 0f221320

drivers/hid/Kconfig

+7 −0
Original line number Diff line number Diff line
@@ -82,6 +82,13 @@ config HID_COMPAT 


	If unsure, say Y.



config HID_A4TECH

	tristate "A4 tech"

	default m

	depends on USB_HID

	---help---

	Support for A4 tech X5 and WOP-35 / Trust 450L mice.



config HID_APPLE

	tristate "Apple"

	default m

drivers/hid/Makefile

+1 −0
Original line number Diff line number Diff line
@@ -12,6 +12,7 @@ ifdef CONFIG_HID_COMPAT 
obj-m				+= hid-dummy.o

endif



obj-$(CONFIG_HID_A4TECH)	+= hid-a4tech.o

obj-$(CONFIG_HID_APPLE)		+= hid-apple.o

obj-$(CONFIG_HID_CYPRESS)	+= hid-cypress.o

obj-$(CONFIG_HID_LOGITECH)	+= hid-logitech.o

drivers/hid/hid-a4tech.c

0 → 100644
+162 −0
Original line number Diff line number Diff line 
/*

 *  HID driver for some a4tech "special" devices

 *

 *  Copyright (c) 1999 Andreas Gal

 *  Copyright (c) 2000-2005 Vojtech Pavlik <vojtech@suse.cz>

 *  Copyright (c) 2005 Michael Haboustak <mike-@cinci.rr.com> for Concept2, Inc

 *  Copyright (c) 2006-2007 Jiri Kosina

 *  Copyright (c) 2007 Paul Walmsley

 *  Copyright (c) 2008 Jiri Slaby

 */



/*

 * 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/input.h>

#include <linux/hid.h>

#include <linux/module.h>



#include "hid-ids.h"



#define A4_2WHEEL_MOUSE_HACK_7	0x01

#define A4_2WHEEL_MOUSE_HACK_B8	0x02



struct a4tech_sc {

	unsigned long quirks;

	unsigned int hw_wheel;

	__s32 delayed_value;

};



static int a4_input_mapped(struct hid_device *hdev, struct hid_input *hi,

		struct hid_field *field, struct hid_usage *usage,

		unsigned long **bit, int *max)

{

	struct a4tech_sc *a4 = hid_get_drvdata(hdev);



	if (usage->type == EV_REL && usage->code == REL_WHEEL)

		set_bit(REL_HWHEEL, *bit);



	if ((a4->quirks & A4_2WHEEL_MOUSE_HACK_7) && usage->hid == 0x00090007)

		return -1;



	return 0;

}



static int a4_event(struct hid_device *hdev, struct hid_field *field,

		struct hid_usage *usage, __s32 value)

{

	struct a4tech_sc *a4 = hid_get_drvdata(hdev);

	struct input_dev *input;



	if (!(hdev->claimed & HID_CLAIMED_INPUT) || !field->hidinput ||

			!usage->type)

		return 0;



	input = field->hidinput->input;



	if (a4->quirks & A4_2WHEEL_MOUSE_HACK_B8) {

		if (usage->type == EV_REL && usage->code == REL_WHEEL) {

			a4->delayed_value = value;

			return 1;

		}



		if (usage->hid == 0x000100b8) {

			input_event(input, EV_REL, value ? REL_HWHEEL :

					REL_WHEEL, a4->delayed_value);

			return 1;

		}

	}



	if ((a4->quirks & A4_2WHEEL_MOUSE_HACK_7) && usage->hid == 0x00090007) {

		a4->hw_wheel = !!value;

		return 1;

	}



	if (usage->code == REL_WHEEL && a4->hw_wheel) {

		input_event(input, usage->type, REL_HWHEEL, value);

		return 1;

	}



	return 0;

}



static int a4_probe(struct hid_device *hdev, const struct hid_device_id *id)

{

	struct a4tech_sc *a4;

	int ret;



	a4 = kzalloc(sizeof(*a4), GFP_KERNEL);

	if (a4 == NULL) {

		dev_err(&hdev->dev, "can't alloc device descriptor\n");

		ret = -ENOMEM;

		goto err_free;

	}



	a4->quirks = id->driver_data;



	hid_set_drvdata(hdev, a4);



	ret = hid_parse(hdev);

	if (ret) {

		dev_err(&hdev->dev, "parse failed\n");

		goto err_free;

	}



	ret = hid_hw_start(hdev);

	if (ret) {

		dev_err(&hdev->dev, "hw start failed\n");

		goto err_free;

	}



	return 0;

err_free:

	kfree(a4);

	return ret;

}



static void a4_remove(struct hid_device *hdev)

{

	struct a4tech_sc *a4 = hid_get_drvdata(hdev);



	hid_hw_stop(hdev);

	kfree(a4);

}



static const struct hid_device_id a4_devices[] = {

	{ HID_USB_DEVICE(USB_VENDOR_ID_A4TECH, USB_DEVICE_ID_A4TECH_WCP32PU),

		.driver_data = A4_2WHEEL_MOUSE_HACK_7 },

	{ HID_USB_DEVICE(USB_VENDOR_ID_A4TECH, USB_DEVICE_ID_A4TECH_X5_005D),

		.driver_data = A4_2WHEEL_MOUSE_HACK_B8 },

	{ }

};

MODULE_DEVICE_TABLE(hid, a4_devices);



static struct hid_driver a4_driver = {

	.name = "a4tech",

	.id_table = a4_devices,

	.input_mapped = a4_input_mapped,

	.event = a4_event,

	.probe = a4_probe,

	.remove = a4_remove,

};



static int a4_init(void)

{

	return hid_register_driver(&a4_driver);

}



static void a4_exit(void)

{

	hid_unregister_driver(&a4_driver);

}



module_init(a4_init);

module_exit(a4_exit);

MODULE_LICENSE("GPL");



HID_COMPAT_LOAD_DRIVER(a4tech);

drivers/hid/hid-core.c

+2 −0
Original line number Diff line number Diff line
@@ -1132,6 +1132,8 @@ static const struct hid_device_id *hid_match_id(struct hid_device *hdev, 
}



static const struct hid_device_id hid_blacklist[] = {

	{ HID_USB_DEVICE(USB_VENDOR_ID_A4TECH, USB_DEVICE_ID_A4TECH_WCP32PU) },

	{ HID_USB_DEVICE(USB_VENDOR_ID_A4TECH, USB_DEVICE_ID_A4TECH_X5_005D) },

	{ HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_IRCONTROL4) },

	{ HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_MIGHTYMOUSE) },

	{ HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_FOUNTAIN_ANSI) },

drivers/hid/hid-dummy.c

+3 −0
Original line number Diff line number Diff line
@@ -4,6 +4,9 @@ 


static int __init hid_dummy_init(void)

{

#ifdef CONFIG_HID_A4TECH_MODULE

	HID_COMPAT_CALL_DRIVER(a4tech);

#endif

#ifdef CONFIG_HID_APPLE_MODULE

	HID_COMPAT_CALL_DRIVER(apple);

#endif