[GitHub/mt8127/android_kernel_alcatel_ttab.git] / drivers / hid / hid-microsoft.c

/*
 *  HID driver for some microsoft "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 MS_HIDINPUT	0x01
#define MS_ERGONOMY	0x02
#define MS_PRESENTER	0x04
#define MS_RDESC	0x08
#define MS_NOGET	0x10

/*
 * Microsoft Wireless Desktop Receiver (Model 1028) has
 * 'Usage Min/Max' where it ought to have 'Physical Min/Max'
 */
static __u8 *ms_report_fixup(struct hid_device *hdev, __u8 *rdesc,
		unsigned int *rsize)
{
	unsigned long quirks = (unsigned long)hid_get_drvdata(hdev);

	if ((quirks & MS_RDESC) && *rsize == 571 && rdesc[557] == 0x19 &&
			rdesc[559] == 0x29) {
		hid_info(hdev, "fixing up Microsoft Wireless Receiver Model 1028 report descriptor\n");
		rdesc[557] = 0x35;
		rdesc[559] = 0x45;
	}
	return rdesc;
}

#define ms_map_key_clear(c)	hid_map_usage_clear(hi, usage, bit, max, \
					EV_KEY, (c))
static int ms_ergonomy_kb_quirk(struct hid_input *hi, struct hid_usage *usage,
		unsigned long **bit, int *max)
{
	struct input_dev *input = hi->input;

	switch (usage->hid & HID_USAGE) {
	case 0xfd06: ms_map_key_clear(KEY_CHAT);	break;
	case 0xfd07: ms_map_key_clear(KEY_PHONE);	break;
	case 0xff05:
		set_bit(EV_REP, input->evbit);
		ms_map_key_clear(KEY_F13);
		set_bit(KEY_F14, input->keybit);
		set_bit(KEY_F15, input->keybit);
		set_bit(KEY_F16, input->keybit);
		set_bit(KEY_F17, input->keybit);
		set_bit(KEY_F18, input->keybit);
	default:
		return 0;
	}
	return 1;
}

static int ms_presenter_8k_quirk(struct hid_input *hi, struct hid_usage *usage,
		unsigned long **bit, int *max)
{
	set_bit(EV_REP, hi->input->evbit);
	switch (usage->hid & HID_USAGE) {
	case 0xfd08: ms_map_key_clear(KEY_FORWARD);	break;
	case 0xfd09: ms_map_key_clear(KEY_BACK);	break;
	case 0xfd0b: ms_map_key_clear(KEY_PLAYPAUSE);	break;
	case 0xfd0e: ms_map_key_clear(KEY_CLOSE);	break;
	case 0xfd0f: ms_map_key_clear(KEY_PLAY);	break;
	default:
		return 0;
	}
	return 1;
}

static int ms_input_mapping(struct hid_device *hdev, struct hid_input *hi,
		struct hid_field *field, struct hid_usage *usage,
		unsigned long **bit, int *max)
{
	unsigned long quirks = (unsigned long)hid_get_drvdata(hdev);

	if ((usage->hid & HID_USAGE_PAGE) != HID_UP_MSVENDOR)
		return 0;

	if (quirks & MS_ERGONOMY) {
		int ret = ms_ergonomy_kb_quirk(hi, usage, bit, max);
		if (ret)
			return ret;
	}

	if ((quirks & MS_PRESENTER) &&
			ms_presenter_8k_quirk(hi, usage, bit, max))
		return 1;

	return 0;
}

static int ms_event(struct hid_device *hdev, struct hid_field *field,
		struct hid_usage *usage, __s32 value)
{
	unsigned long quirks = (unsigned long)hid_get_drvdata(hdev);

	if (!(hdev->claimed & HID_CLAIMED_INPUT) || !field->hidinput ||
			!usage->type)
		return 0;

	/* Handling MS keyboards special buttons */
	if (quirks & MS_ERGONOMY && usage->hid == (HID_UP_MSVENDOR | 0xff05)) {
		struct input_dev *input = field->hidinput->input;
		static unsigned int last_key = 0;
		unsigned int key = 0;
		switch (value) {
		case 0x01: key = KEY_F14; break;
		case 0x02: key = KEY_F15; break;
		case 0x04: key = KEY_F16; break;
		case 0x08: key = KEY_F17; break;
		case 0x10: key = KEY_F18; break;
		}
		if (key) {
			input_event(input, usage->type, key, 1);
			last_key = key;
		} else
			input_event(input, usage->type, last_key, 0);

		return 1;
	}

	return 0;
}

static int ms_probe(struct hid_device *hdev, const struct hid_device_id *id)
{
	unsigned long quirks = id->driver_data;
	int ret;

	hid_set_drvdata(hdev, (void *)quirks);

	if (quirks & MS_NOGET)
		hdev->quirks |= HID_QUIRK_NOGET;

	ret = hid_parse(hdev);
	if (ret) {
		hid_err(hdev, "parse failed\n");
		goto err_free;
	}

	ret = hid_hw_start(hdev, HID_CONNECT_DEFAULT | ((quirks & MS_HIDINPUT) ?
				HID_CONNECT_HIDINPUT_FORCE : 0));
	if (ret) {
		hid_err(hdev, "hw start failed\n");
		goto err_free;
	}

	return 0;
err_free:
	return ret;
}

static const struct hid_device_id ms_devices[] = {
	{ HID_USB_DEVICE(USB_VENDOR_ID_MICROSOFT, USB_DEVICE_ID_SIDEWINDER_GV),
		.driver_data = MS_HIDINPUT },
	{ HID_USB_DEVICE(USB_VENDOR_ID_MICROSOFT, USB_DEVICE_ID_MS_NE4K),
		.driver_data = MS_ERGONOMY },
	{ HID_USB_DEVICE(USB_VENDOR_ID_MICROSOFT, USB_DEVICE_ID_MS_LK6K),
		.driver_data = MS_ERGONOMY | MS_RDESC },
	{ HID_USB_DEVICE(USB_VENDOR_ID_MICROSOFT, USB_DEVICE_ID_MS_PRESENTER_8K_USB),
		.driver_data = MS_PRESENTER },
	{ HID_USB_DEVICE(USB_VENDOR_ID_MICROSOFT, USB_DEVICE_ID_WIRELESS_OPTICAL_DESKTOP_3_0),
		.driver_data = MS_NOGET },

	{ HID_BLUETOOTH_DEVICE(USB_VENDOR_ID_MICROSOFT, USB_DEVICE_ID_MS_PRESENTER_8K_BT),
		.driver_data = MS_PRESENTER },
	{ }
};
MODULE_DEVICE_TABLE(hid, ms_devices);

static struct hid_driver ms_driver = {
	.name = "microsoft",
	.id_table = ms_devices,
	.report_fixup = ms_report_fixup,
	.input_mapping = ms_input_mapping,
	.event = ms_event,
	.probe = ms_probe,
};

static int __init ms_init(void)
{
	return hid_register_driver(&ms_driver);
}

static void __exit ms_exit(void)
{
	hid_unregister_driver(&ms_driver);
}

module_init(ms_init);
module_exit(ms_exit);
MODULE_LICENSE("GPL");
Commit	Line	Data
78a849a6 JS	1	/*
	2	* HID driver for some microsoft "special" devices
	3	*
	4	* Copyright (c) 1999 Andreas Gal
	5	* Copyright (c) 2000-2005 Vojtech Pavlik <vojtech@suse.cz>
	6	* Copyright (c) 2005 Michael Haboustak <mike-@cinci.rr.com> for Concept2, Inc
	7	* Copyright (c) 2006-2007 Jiri Kosina
	8	* Copyright (c) 2007 Paul Walmsley
	9	* Copyright (c) 2008 Jiri Slaby
	10	*/
	11
	12	/*
	13	* This program is free software; you can redistribute it and/or modify it
	14	* under the terms of the GNU General Public License as published by the Free
	15	* Software Foundation; either version 2 of the License, or (at your option)
	16	* any later version.
	17	*/
	18
	19	#include <linux/device.h>
	20	#include <linux/input.h>
	21	#include <linux/hid.h>
	22	#include <linux/module.h>
	23
	24	#include "hid-ids.h"
	25
	26	#define MS_HIDINPUT 0x01
	27	#define MS_ERGONOMY 0x02
	28	#define MS_PRESENTER 0x04
	29	#define MS_RDESC 0x08
	30	#define MS_NOGET 0x10
	31
	32	/*
0fb21de0	33	* Microsoft Wireless Desktop Receiver (Model 1028) has
78a849a6 JS	34	* 'Usage Min/Max' where it ought to have 'Physical Min/Max'
78a849a6 JS	35	*/
73e4008d NK	36	static __u8 ms_report_fixup(struct hid_device hdev, __u8 *rdesc,
73e4008d NK	37	unsigned int *rsize)
78a849a6 JS	38	{
	39	unsigned long quirks = (unsigned long)hid_get_drvdata(hdev);
	40
73e4008d	41	if ((quirks & MS_RDESC) && *rsize == 571 && rdesc[557] == 0x19 &&
78a849a6	42	rdesc[559] == 0x29) {
4291ee30	43	hid_info(hdev, "fixing up Microsoft Wireless Receiver Model 1028 report descriptor\n");
0fb21de0 JK	44	rdesc[557] = 0x35;
0fb21de0 JK	45	rdesc[559] = 0x45;
78a849a6	46	}
73e4008d	47	return rdesc;
78a849a6 JS	48	}
	49
	50	#define ms_map_key_clear(c) hid_map_usage_clear(hi, usage, bit, max, \
	51	EV_KEY, (c))
	52	static int ms_ergonomy_kb_quirk(struct hid_input hi, struct hid_usage usage,
	53	unsigned long *bit, int max)
	54	{
	55	struct input_dev *input = hi->input;
	56
	57	switch (usage->hid & HID_USAGE) {
	58	case 0xfd06: ms_map_key_clear(KEY_CHAT); break;
	59	case 0xfd07: ms_map_key_clear(KEY_PHONE); break;
	60	case 0xff05:
	61	set_bit(EV_REP, input->evbit);
	62	ms_map_key_clear(KEY_F13);
	63	set_bit(KEY_F14, input->keybit);
	64	set_bit(KEY_F15, input->keybit);
	65	set_bit(KEY_F16, input->keybit);
	66	set_bit(KEY_F17, input->keybit);
	67	set_bit(KEY_F18, input->keybit);
	68	default:
	69	return 0;
	70	}
	71	return 1;
	72	}
	73
	74	static int ms_presenter_8k_quirk(struct hid_input hi, struct hid_usage usage,
	75	unsigned long *bit, int max)
	76	{
	77	set_bit(EV_REP, hi->input->evbit);
	78	switch (usage->hid & HID_USAGE) {
	79	case 0xfd08: ms_map_key_clear(KEY_FORWARD); break;
	80	case 0xfd09: ms_map_key_clear(KEY_BACK); break;
	81	case 0xfd0b: ms_map_key_clear(KEY_PLAYPAUSE); break;
	82	case 0xfd0e: ms_map_key_clear(KEY_CLOSE); break;
	83	case 0xfd0f: ms_map_key_clear(KEY_PLAY); break;
	84	default:
	85	return 0;
	86	}
	87	return 1;
	88	}
	89
	90	static int ms_input_mapping(struct hid_device hdev, struct hid_input hi,
	91	struct hid_field field, struct hid_usage usage,
	92	unsigned long *bit, int max)
	93	{
	94	unsigned long quirks = (unsigned long)hid_get_drvdata(hdev);
	95
	96	if ((usage->hid & HID_USAGE_PAGE) != HID_UP_MSVENDOR)
	97	return 0;
	98
	99	if (quirks & MS_ERGONOMY) {
	100	int ret = ms_ergonomy_kb_quirk(hi, usage, bit, max);
	101	if (ret)
	102	return ret;
	103	}
	104
	105	if ((quirks & MS_PRESENTER) &&
	106	ms_presenter_8k_quirk(hi, usage, bit, max))
	107	return 1;
	108
	109	return 0;
	110	}
	111
112	static int ms_event(struct hid_device hdev, struct hid_field field,
113	struct hid_usage *usage, __s32 value)
114	{
115	unsigned long quirks = (unsigned long)hid_get_drvdata(hdev);
116
117	if (!(hdev->claimed & HID_CLAIMED_INPUT) \|\| !field->hidinput \|\|
118	!usage->type)
119	return 0;
120
121	/* Handling MS keyboards special buttons */
122	if (quirks & MS_ERGONOMY && usage->hid == (HID_UP_MSVENDOR \| 0xff05)) {
123	struct input_dev *input = field->hidinput->input;
124	static unsigned int last_key = 0;
125	unsigned int key = 0;
126	switch (value) {
127	case 0x01: key = KEY_F14; break;
128	case 0x02: key = KEY_F15; break;
129	case 0x04: key = KEY_F16; break;
130	case 0x08: key = KEY_F17; break;
131	case 0x10: key = KEY_F18; break;
132	}
133	if (key) {
134	input_event(input, usage->type, key, 1);
135	last_key = key;
136	} else
137	input_event(input, usage->type, last_key, 0);
138
139	return 1;
140	}
141
142	return 0;
143	}
144
145	static int ms_probe(struct hid_device hdev, const struct hid_device_id id)
146	{
147	unsigned long quirks = id->driver_data;
148	int ret;
149
150	hid_set_drvdata(hdev, (void *)quirks);
151
78a849a6 JS	152	if (quirks & MS_NOGET)
	153	hdev->quirks \|= HID_QUIRK_NOGET;
	154
	155	ret = hid_parse(hdev);
	156	if (ret) {
4291ee30	157	hid_err(hdev, "parse failed\n");
78a849a6 JS	158	goto err_free;
	159	}
	160
93c10132 JS	161	ret = hid_hw_start(hdev, HID_CONNECT_DEFAULT \| ((quirks & MS_HIDINPUT) ?
93c10132 JS	162	HID_CONNECT_HIDINPUT_FORCE : 0));
78a849a6	163	if (ret) {
4291ee30	164	hid_err(hdev, "hw start failed\n");
78a849a6 JS	165	goto err_free;
	166	}
	167
	168	return 0;
	169	err_free:
	170	return ret;
	171	}
	172
	173	static const struct hid_device_id ms_devices[] = {
	174	{ HID_USB_DEVICE(USB_VENDOR_ID_MICROSOFT, USB_DEVICE_ID_SIDEWINDER_GV),
	175	.driver_data = MS_HIDINPUT },
	176	{ HID_USB_DEVICE(USB_VENDOR_ID_MICROSOFT, USB_DEVICE_ID_MS_NE4K),
	177	.driver_data = MS_ERGONOMY },
	178	{ HID_USB_DEVICE(USB_VENDOR_ID_MICROSOFT, USB_DEVICE_ID_MS_LK6K),
	179	.driver_data = MS_ERGONOMY \| MS_RDESC },
	180	{ HID_USB_DEVICE(USB_VENDOR_ID_MICROSOFT, USB_DEVICE_ID_MS_PRESENTER_8K_USB),
	181	.driver_data = MS_PRESENTER },
	182	{ HID_USB_DEVICE(USB_VENDOR_ID_MICROSOFT, USB_DEVICE_ID_WIRELESS_OPTICAL_DESKTOP_3_0),
	183	.driver_data = MS_NOGET },
	184
	185	{ HID_BLUETOOTH_DEVICE(USB_VENDOR_ID_MICROSOFT, USB_DEVICE_ID_MS_PRESENTER_8K_BT),
	186	.driver_data = MS_PRESENTER },
	187	{ }
	188	};
	189	MODULE_DEVICE_TABLE(hid, ms_devices);
	190
	191	static struct hid_driver ms_driver = {
	192	.name = "microsoft",
	193	.id_table = ms_devices,
	194	.report_fixup = ms_report_fixup,
	195	.input_mapping = ms_input_mapping,
	196	.event = ms_event,
	197	.probe = ms_probe,
	198	};
	199
a24f423b	200	static int __init ms_init(void)
78a849a6 JS	201	{
	202	return hid_register_driver(&ms_driver);
	203	}
	204
a24f423b	205	static void __exit ms_exit(void)
78a849a6 JS	206	{
	207	hid_unregister_driver(&ms_driver);
	208	}
	209
	210	module_init(ms_init);
	211	module_exit(ms_exit);
	212	MODULE_LICENSE("GPL");