aboutsummaryrefslogtreecommitdiff
path: root/drivers/input/mouse/synaptics.h
blob: 56faa7ec443480af63e66b56819be46fb44a6ee7 (plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
/*
 * Synaptics TouchPad PS/2 mouse driver
 *
 * This program is free software; you can redistribute it and/or modify it
 * under the terms of the GNU General Public License version 2 as published by
 * the Free Software Foundation.
 */

#ifndef _SYNAPTICS_H
#define _SYNAPTICS_H

/* synaptics queries */
#define SYN_QUE_IDENTIFY		0x00
#define SYN_QUE_MODES			0x01
#define SYN_QUE_CAPABILITIES		0x02
#define SYN_QUE_MODEL			0x03
#define SYN_QUE_SERIAL_NUMBER_PREFIX	0x06
#define SYN_QUE_SERIAL_NUMBER_SUFFIX	0x07
#define SYN_QUE_RESOLUTION		0x08
#define SYN_QUE_EXT_CAPAB		0x09
#define SYN_QUE_FIRMWARE_ID		0x0a
#define SYN_QUE_EXT_CAPAB_0C		0x0c
#define SYN_QUE_EXT_MAX_COORDS		0x0d
#define SYN_QUE_EXT_MIN_COORDS		0x0f
#define SYN_QUE_MEXT_CAPAB_10		0x10

/* synatics modes */
#define SYN_BIT_ABSOLUTE_MODE		(1 << 7)
#define SYN_BIT_HIGH_RATE		(1 << 6)
#define SYN_BIT_SLEEP_MODE		(1 << 3)
#define SYN_BIT_DISABLE_GESTURE		(1 << 2)
#define SYN_BIT_FOUR_BYTE_CLIENT	(1 << 1)
#define SYN_BIT_W_MODE			(1 << 0)

/* synaptics model ID bits */
#define SYN_MODEL_ROT180(m)		((m) & (1 << 23))
#define SYN_MODEL_PORTRAIT(m)		((m) & (1 << 22))
#define SYN_MODEL_SENSOR(m)		(((m) >> 16) & 0x3f)
#define SYN_MODEL_HARDWARE(m)		(((m) >> 9) & 0x7f)
#define SYN_MODEL_NEWABS(m)		((m) & (1 << 7))
#define SYN_MODEL_PEN(m)		((m) & (1 << 6))
#define SYN_MODEL_SIMPLIC(m)		((m) & (1 << 5))
#define SYN_MODEL_GEOMETRY(m)		((m) & 0x0f)

/* synaptics capability bits */
#define SYN_CAP_EXTENDED(c)		((c) & (1 << 23))
#define SYN_CAP_MIDDLE_BUTTON(c)	((c) & (1 << 18))
#define SYN_CAP_PASS_THROUGH(c)		((c) & (1 << 7))
#define SYN_CAP_SLEEP(c)		((c) & (1 << 4))
#define SYN_CAP_FOUR_BUTTON(c)		((c) & (1 << 3))
#define SYN_CAP_MULTIFINGER(c)		((c) & (1 << 1))
#define SYN_CAP_PALMDETECT(c)		((c) & (1 << 0))
#define SYN_CAP_SUBMODEL_ID(c)		(((c) & 0x00ff00) >> 8)
#define SYN_EXT_CAP_REQUESTS(c)		(((c) & 0x700000) >> 20)
#define SYN_CAP_MULTI_BUTTON_NO(ec)	(((ec) & 0x00f000) >> 12)
#define SYN_CAP_PRODUCT_ID(ec)		(((ec) & 0xff0000) >> 16)
#define SYN_MEXT_CAP_BIT(m)		((m) & (1 << 1))

/*
 * The following describes response for the 0x0c query.
 *
 * byte	mask	name			meaning
 * ----	----	-------			------------
 * 1	0x01	adjustable threshold	capacitive button sensitivity
 *					can be adjusted
 * 1	0x02	report max		query 0x0d gives max coord reported
 * 1	0x04	clearpad		sensor is ClearPad product
 * 1	0x08	advanced gesture	not particularly meaningful
 * 1	0x10	clickpad bit 0		1-button ClickPad
 * 1	0x60	multifinger mode	identifies firmware finger counting
 *					(not reporting!) algorithm.
 *					Not particularly meaningful
 * 1	0x80	covered pad		W clipped to 14, 15 == pad mostly covered
 * 2	0x01	clickpad bit 1		2-button ClickPad
 * 2	0x02	deluxe LED controls	touchpad support LED commands
 *					ala multimedia control bar
 * 2	0x04	reduced filtering	firmware does less filtering on
 *					position data, driver should watch
 *					for noise.
 * 2	0x08	image sensor		image sensor tracks 5 fingers, but only
 *					reports 2.
 * 2	0x01	uniform clickpad	whole clickpad moves instead of being
 *					hinged at the top.
 * 2	0x20	report min		query 0x0f gives min coord reported
 */
#define SYN_CAP_CLICKPAD(ex0c)		((ex0c) & 0x100000) /* 1-button ClickPad */
#define SYN_CAP_CLICKPAD2BTN(ex0c)	((ex0c) & 0x000100) /* 2-button ClickPad */
#define SYN_CAP_MAX_DIMENSIONS(ex0c)	((ex0c) & 0x020000)
#define SYN_CAP_MIN_DIMENSIONS(ex0c)	((ex0c) & 0x002000)
#define SYN_CAP_ADV_GESTURE(ex0c)	((ex0c) & 0x080000)
#define SYN_CAP_REDUCED_FILTERING(ex0c)	((ex0c) & 0x000400)
#define SYN_CAP_IMAGE_SENSOR(ex0c)	((ex0c) & 0x000800)

/*
 * The following descibes response for the 0x10 query.
 *
 * byte	mask	name			meaning
 * ----	----	-------			------------
 * 1	0x01	ext buttons are stick	buttons exported in the extended
 *					capability are actually meant to be used
 *					by the tracktick (pass-through).
 * 1	0x02	SecurePad		the touchpad is a SecurePad, so it
 *					contains a built-in fingerprint reader.
 * 1	0xe0	more ext count		how many more extented queries are
 *					available after this one.
 * 2	0xff	SecurePad width		the width of the SecurePad fingerprint
 *					reader.
 * 3	0xff	SecurePad height	the height of the SecurePad fingerprint
 *					reader.
 */
#define SYN_CAP_EXT_BUTTONS_STICK(ex10)	((ex10) & 0x010000)
#define SYN_CAP_SECUREPAD(ex10)		((ex10) & 0x020000)

#define SYN_CAP_EXT_BUTTON_STICK_L(eb)	(!!((eb) & 0x01))
#define SYN_CAP_EXT_BUTTON_STICK_M(eb)	(!!((eb) & 0x02))
#define SYN_CAP_EXT_BUTTON_STICK_R(eb)	(!!((eb) & 0x04))

/* synaptics modes query bits */
#define SYN_MODE_ABSOLUTE(m)		((m) & (1 << 7))
#define SYN_MODE_RATE(m)		((m) & (1 << 6))
#define SYN_MODE_BAUD_SLEEP(m)		((m) & (1 << 3))
#define SYN_MODE_DISABLE_GESTURE(m)	((m) & (1 << 2))
#define SYN_MODE_PACKSIZE(m)		((m) & (1 << 1))
#define SYN_MODE_WMODE(m)		((m) & (1 << 0))

/* synaptics identify query bits */
#define SYN_ID_MODEL(i)			(((i) >> 4) & 0x0f)
#define SYN_ID_MAJOR(i)			((i) & 0x0f)
#define SYN_ID_MINOR(i)			(((i) >> 16) & 0xff)
#define SYN_ID_FULL(i)			((SYN_ID_MAJOR(i) << 8) | SYN_ID_MINOR(i))
#define SYN_ID_IS_SYNAPTICS(i)		((((i) >> 8) & 0xff) == 0x47)
#define SYN_ID_DISGEST_SUPPORTED(i)	(SYN_ID_MAJOR(i) >= 4)

/* synaptics special commands */
#define SYN_PS_SET_MODE2		0x14
#define SYN_PS_CLIENT_CMD		0x28

/* synaptics packet types */
#define SYN_NEWABS			0
#define SYN_NEWABS_STRICT		1
#define SYN_NEWABS_RELAXED		2
#define SYN_OLDABS			3

/* amount to fuzz position data when touchpad reports reduced filtering */
#define SYN_REDUCED_FILTER_FUZZ		8

/*
 * A structure to describe the state of the touchpad hardware (buttons and pad)
 */
struct synaptics_hw_state {
	int x;
	int y;
	int z;
	int w;
	unsigned int left:1;
	unsigned int right:1;
	unsigned int middle:1;
	unsigned int up:1;
	unsigned int down:1;
	unsigned char ext_buttons;
	signed char scroll;
};

struct synaptics_data {
	/* Data read from the touchpad */
	unsigned long int model_id;		/* Model-ID */
	unsigned long int firmware_id;		/* Firmware-ID */
	unsigned long int board_id;		/* Board-ID */
	unsigned long int capabilities;		/* Capabilities */
	unsigned long int ext_cap;		/* Extended Capabilities */
	unsigned long int ext_cap_0c;		/* Ext Caps from 0x0c query */
	unsigned long int ext_cap_10;		/* Ext Caps from 0x10 query */
	unsigned long int identity;		/* Identification */
	unsigned int x_res, y_res;		/* X/Y resolution in units/mm */
	unsigned int x_max, y_max;		/* Max coordinates (from FW) */
	unsigned int x_min, y_min;		/* Min coordinates (from FW) */

	unsigned char pkt_type;			/* packet type - old, new, etc */
	unsigned char mode;			/* current mode byte */
	int scroll;

	bool absolute_mode;			/* run in Absolute mode */
	bool disable_gesture;			/* disable gestures */

	struct serio *pt_port;			/* Pass-through serio port */
	unsigned char pt_buttons;		/* Pass-through buttons */

	/*
	 * Last received Advanced Gesture Mode (AGM) packet. An AGM packet
	 * contains position data for a second contact, at half resolution.
	 */
	struct synaptics_hw_state agm;
	unsigned int agm_count;			/* finger count reported by agm */

	/* ForcePad handling */
	unsigned long				press_start;
	bool					press;
	bool					report_press;
	bool					is_forcepad;
};

void synaptics_module_init(void);
int synaptics_detect(struct psmouse *psmouse, bool set_properties);
int synaptics_init(struct psmouse *psmouse);
int synaptics_init_relative(struct psmouse *psmouse);
void synaptics_reset(struct psmouse *psmouse);

#endif /* _SYNAPTICS_H */