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1/*
2 * Synaptics TouchPad PS/2 mouse driver
3 *
4 * This program is free software; you can redistribute it and/or modify it
5 * under the terms of the GNU General Public License version 2 as published by
6 * the Free Software Foundation.
7 */
8
9#ifndef _SYNAPTICS_H
10#define _SYNAPTICS_H
11
12/* synaptics queries */
13#define SYN_QUE_IDENTIFY 0x00
14#define SYN_QUE_MODES 0x01
15#define SYN_QUE_CAPABILITIES 0x02
16#define SYN_QUE_MODEL 0x03
17#define SYN_QUE_SERIAL_NUMBER_PREFIX 0x06
18#define SYN_QUE_SERIAL_NUMBER_SUFFIX 0x07
19#define SYN_QUE_RESOLUTION 0x08
20#define SYN_QUE_EXT_CAPAB 0x09
21#define SYN_QUE_FIRMWARE_ID 0x0a
22#define SYN_QUE_EXT_CAPAB_0C 0x0c
23#define SYN_QUE_EXT_MAX_COORDS 0x0d
24#define SYN_QUE_EXT_MIN_COORDS 0x0f
25
26/* synatics modes */
27#define SYN_BIT_ABSOLUTE_MODE (1 << 7)
28#define SYN_BIT_HIGH_RATE (1 << 6)
29#define SYN_BIT_SLEEP_MODE (1 << 3)
30#define SYN_BIT_DISABLE_GESTURE (1 << 2)
31#define SYN_BIT_FOUR_BYTE_CLIENT (1 << 1)
32#define SYN_BIT_W_MODE (1 << 0)
33
34/* synaptics model ID bits */
35#define SYN_MODEL_ROT180(m) ((m) & (1 << 23))
36#define SYN_MODEL_PORTRAIT(m) ((m) & (1 << 22))
37#define SYN_MODEL_SENSOR(m) (((m) >> 16) & 0x3f)
38#define SYN_MODEL_HARDWARE(m) (((m) >> 9) & 0x7f)
39#define SYN_MODEL_NEWABS(m) ((m) & (1 << 7))
40#define SYN_MODEL_PEN(m) ((m) & (1 << 6))
41#define SYN_MODEL_SIMPLIC(m) ((m) & (1 << 5))
42#define SYN_MODEL_GEOMETRY(m) ((m) & 0x0f)
43
44/* synaptics capability bits */
45#define SYN_CAP_EXTENDED(c) ((c) & (1 << 23))
46#define SYN_CAP_MIDDLE_BUTTON(c) ((c) & (1 << 18))
47#define SYN_CAP_PASS_THROUGH(c) ((c) & (1 << 7))
48#define SYN_CAP_SLEEP(c) ((c) & (1 << 4))
49#define SYN_CAP_FOUR_BUTTON(c) ((c) & (1 << 3))
50#define SYN_CAP_MULTIFINGER(c) ((c) & (1 << 1))
51#define SYN_CAP_PALMDETECT(c) ((c) & (1 << 0))
52#define SYN_CAP_SUBMODEL_ID(c) (((c) & 0x00ff00) >> 8)
53#define SYN_EXT_CAP_REQUESTS(c) (((c) & 0x700000) >> 20)
54#define SYN_CAP_MULTI_BUTTON_NO(ec) (((ec) & 0x00f000) >> 12)
55#define SYN_CAP_PRODUCT_ID(ec) (((ec) & 0xff0000) >> 16)
56
57/*
58 * The following describes response for the 0x0c query.
59 *
60 * byte mask name meaning
61 * ---- ---- ------- ------------
62 * 1 0x01 adjustable threshold capacitive button sensitivity
63 * can be adjusted
64 * 1 0x02 report max query 0x0d gives max coord reported
65 * 1 0x04 clearpad sensor is ClearPad product
66 * 1 0x08 advanced gesture not particularly meaningful
67 * 1 0x10 clickpad bit 0 1-button ClickPad
68 * 1 0x60 multifinger mode identifies firmware finger counting
69 * (not reporting!) algorithm.
70 * Not particularly meaningful
71 * 1 0x80 covered pad W clipped to 14, 15 == pad mostly covered
72 * 2 0x01 clickpad bit 1 2-button ClickPad
73 * 2 0x02 deluxe LED controls touchpad support LED commands
74 * ala multimedia control bar
75 * 2 0x04 reduced filtering firmware does less filtering on
76 * position data, driver should watch
77 * for noise.
78 * 2 0x08 image sensor image sensor tracks 5 fingers, but only
79 * reports 2.
80 * 2 0x20 report min query 0x0f gives min coord reported
81 */
82#define SYN_CAP_CLICKPAD(ex0c) ((ex0c) & 0x100000) /* 1-button ClickPad */
83#define SYN_CAP_CLICKPAD2BTN(ex0c) ((ex0c) & 0x000100) /* 2-button ClickPad */
84#define SYN_CAP_MAX_DIMENSIONS(ex0c) ((ex0c) & 0x020000)
85#define SYN_CAP_MIN_DIMENSIONS(ex0c) ((ex0c) & 0x002000)
86#define SYN_CAP_ADV_GESTURE(ex0c) ((ex0c) & 0x080000)
87#define SYN_CAP_REDUCED_FILTERING(ex0c) ((ex0c) & 0x000400)
88#define SYN_CAP_IMAGE_SENSOR(ex0c) ((ex0c) & 0x000800)
89
90/* synaptics modes query bits */
91#define SYN_MODE_ABSOLUTE(m) ((m) & (1 << 7))
92#define SYN_MODE_RATE(m) ((m) & (1 << 6))
93#define SYN_MODE_BAUD_SLEEP(m) ((m) & (1 << 3))
94#define SYN_MODE_DISABLE_GESTURE(m) ((m) & (1 << 2))
95#define SYN_MODE_PACKSIZE(m) ((m) & (1 << 1))
96#define SYN_MODE_WMODE(m) ((m) & (1 << 0))
97
98/* synaptics identify query bits */
99#define SYN_ID_MODEL(i) (((i) >> 4) & 0x0f)
100#define SYN_ID_MAJOR(i) ((i) & 0x0f)
101#define SYN_ID_MINOR(i) (((i) >> 16) & 0xff)
102#define SYN_ID_FULL(i) ((SYN_ID_MAJOR(i) << 8) | SYN_ID_MINOR(i))
103#define SYN_ID_IS_SYNAPTICS(i) ((((i) >> 8) & 0xff) == 0x47)
104#define SYN_ID_DISGEST_SUPPORTED(i) (SYN_ID_MAJOR(i) >= 4)
105
106/* synaptics special commands */
107#define SYN_PS_SET_MODE2 0x14
108#define SYN_PS_CLIENT_CMD 0x28
109
110/* synaptics packet types */
111#define SYN_NEWABS 0
112#define SYN_NEWABS_STRICT 1
113#define SYN_NEWABS_RELAXED 2
114#define SYN_OLDABS 3
115
116/* amount to fuzz position data when touchpad reports reduced filtering */
117#define SYN_REDUCED_FILTER_FUZZ 8
118
119/*
120 * A structure to describe which internal touchpad finger slots are being
121 * reported in raw packets.
122 */
123struct synaptics_mt_state {
124 int count; /* num fingers being tracked */
125 int sgm; /* which slot is reported by sgm pkt */
126 int agm; /* which slot is reported by agm pkt*/
127};
128
129/*
130 * A structure to describe the state of the touchpad hardware (buttons and pad)
131 */
132struct synaptics_hw_state {
133 int x;
134 int y;
135 int z;
136 int w;
137 unsigned int left:1;
138 unsigned int right:1;
139 unsigned int middle:1;
140 unsigned int up:1;
141 unsigned int down:1;
142 unsigned char ext_buttons;
143 signed char scroll;
144
145 /* As reported in last AGM-CONTACT packets */
146 struct synaptics_mt_state mt_state;
147};
148
149struct synaptics_data {
150 /* Data read from the touchpad */
151 unsigned long int model_id; /* Model-ID */
152 unsigned long int firmware_id; /* Firmware-ID */
153 unsigned long int board_id; /* Board-ID */
154 unsigned long int capabilities; /* Capabilities */
155 unsigned long int ext_cap; /* Extended Capabilities */
156 unsigned long int ext_cap_0c; /* Ext Caps from 0x0c query */
157 unsigned long int identity; /* Identification */
158 unsigned int x_res, y_res; /* X/Y resolution in units/mm */
159 unsigned int x_max, y_max; /* Max coordinates (from FW) */
160 unsigned int x_min, y_min; /* Min coordinates (from FW) */
161
162 unsigned char pkt_type; /* packet type - old, new, etc */
163 unsigned char mode; /* current mode byte */
164 int scroll;
165
166 bool absolute_mode; /* run in Absolute mode */
167 bool disable_gesture; /* disable gestures */
168
169 struct serio *pt_port; /* Pass-through serio port */
170
171 struct synaptics_mt_state mt_state; /* Current mt finger state */
172 bool mt_state_lost; /* mt_state may be incorrect */
173
174 /*
175 * Last received Advanced Gesture Mode (AGM) packet. An AGM packet
176 * contains position data for a second contact, at half resolution.
177 */
178 struct synaptics_hw_state agm;
179 bool agm_pending; /* new AGM packet received */
180};
181
182void synaptics_module_init(void);
183int synaptics_detect(struct psmouse *psmouse, bool set_properties);
184int synaptics_init(struct psmouse *psmouse);
185int synaptics_init_relative(struct psmouse *psmouse);
186void synaptics_reset(struct psmouse *psmouse);
187bool synaptics_supported(void);
188
189#endif /* _SYNAPTICS_H */
1/*
2 * Synaptics TouchPad PS/2 mouse driver
3 *
4 * This program is free software; you can redistribute it and/or modify it
5 * under the terms of the GNU General Public License version 2 as published by
6 * the Free Software Foundation.
7 */
8
9#ifndef _SYNAPTICS_H
10#define _SYNAPTICS_H
11
12/* synaptics queries */
13#define SYN_QUE_IDENTIFY 0x00
14#define SYN_QUE_MODES 0x01
15#define SYN_QUE_CAPABILITIES 0x02
16#define SYN_QUE_MODEL 0x03
17#define SYN_QUE_SERIAL_NUMBER_PREFIX 0x06
18#define SYN_QUE_SERIAL_NUMBER_SUFFIX 0x07
19#define SYN_QUE_RESOLUTION 0x08
20#define SYN_QUE_EXT_CAPAB 0x09
21#define SYN_QUE_EXT_CAPAB_0C 0x0c
22#define SYN_QUE_EXT_MAX_COORDS 0x0d
23#define SYN_QUE_EXT_MIN_COORDS 0x0f
24
25/* synatics modes */
26#define SYN_BIT_ABSOLUTE_MODE (1 << 7)
27#define SYN_BIT_HIGH_RATE (1 << 6)
28#define SYN_BIT_SLEEP_MODE (1 << 3)
29#define SYN_BIT_DISABLE_GESTURE (1 << 2)
30#define SYN_BIT_FOUR_BYTE_CLIENT (1 << 1)
31#define SYN_BIT_W_MODE (1 << 0)
32
33/* synaptics model ID bits */
34#define SYN_MODEL_ROT180(m) ((m) & (1 << 23))
35#define SYN_MODEL_PORTRAIT(m) ((m) & (1 << 22))
36#define SYN_MODEL_SENSOR(m) (((m) >> 16) & 0x3f)
37#define SYN_MODEL_HARDWARE(m) (((m) >> 9) & 0x7f)
38#define SYN_MODEL_NEWABS(m) ((m) & (1 << 7))
39#define SYN_MODEL_PEN(m) ((m) & (1 << 6))
40#define SYN_MODEL_SIMPLIC(m) ((m) & (1 << 5))
41#define SYN_MODEL_GEOMETRY(m) ((m) & 0x0f)
42
43/* synaptics capability bits */
44#define SYN_CAP_EXTENDED(c) ((c) & (1 << 23))
45#define SYN_CAP_MIDDLE_BUTTON(c) ((c) & (1 << 18))
46#define SYN_CAP_PASS_THROUGH(c) ((c) & (1 << 7))
47#define SYN_CAP_SLEEP(c) ((c) & (1 << 4))
48#define SYN_CAP_FOUR_BUTTON(c) ((c) & (1 << 3))
49#define SYN_CAP_MULTIFINGER(c) ((c) & (1 << 1))
50#define SYN_CAP_PALMDETECT(c) ((c) & (1 << 0))
51#define SYN_CAP_SUBMODEL_ID(c) (((c) & 0x00ff00) >> 8)
52#define SYN_EXT_CAP_REQUESTS(c) (((c) & 0x700000) >> 20)
53#define SYN_CAP_MULTI_BUTTON_NO(ec) (((ec) & 0x00f000) >> 12)
54#define SYN_CAP_PRODUCT_ID(ec) (((ec) & 0xff0000) >> 16)
55
56/*
57 * The following describes response for the 0x0c query.
58 *
59 * byte mask name meaning
60 * ---- ---- ------- ------------
61 * 1 0x01 adjustable threshold capacitive button sensitivity
62 * can be adjusted
63 * 1 0x02 report max query 0x0d gives max coord reported
64 * 1 0x04 clearpad sensor is ClearPad product
65 * 1 0x08 advanced gesture not particularly meaningful
66 * 1 0x10 clickpad bit 0 1-button ClickPad
67 * 1 0x60 multifinger mode identifies firmware finger counting
68 * (not reporting!) algorithm.
69 * Not particularly meaningful
70 * 1 0x80 covered pad W clipped to 14, 15 == pad mostly covered
71 * 2 0x01 clickpad bit 1 2-button ClickPad
72 * 2 0x02 deluxe LED controls touchpad support LED commands
73 * ala multimedia control bar
74 * 2 0x04 reduced filtering firmware does less filtering on
75 * position data, driver should watch
76 * for noise.
77 * 2 0x08 image sensor image sensor tracks 5 fingers, but only
78 * reports 2.
79 * 2 0x20 report min query 0x0f gives min coord reported
80 */
81#define SYN_CAP_CLICKPAD(ex0c) ((ex0c) & 0x100000) /* 1-button ClickPad */
82#define SYN_CAP_CLICKPAD2BTN(ex0c) ((ex0c) & 0x000100) /* 2-button ClickPad */
83#define SYN_CAP_MAX_DIMENSIONS(ex0c) ((ex0c) & 0x020000)
84#define SYN_CAP_MIN_DIMENSIONS(ex0c) ((ex0c) & 0x002000)
85#define SYN_CAP_ADV_GESTURE(ex0c) ((ex0c) & 0x080000)
86#define SYN_CAP_REDUCED_FILTERING(ex0c) ((ex0c) & 0x000400)
87#define SYN_CAP_IMAGE_SENSOR(ex0c) ((ex0c) & 0x000800)
88
89/* synaptics modes query bits */
90#define SYN_MODE_ABSOLUTE(m) ((m) & (1 << 7))
91#define SYN_MODE_RATE(m) ((m) & (1 << 6))
92#define SYN_MODE_BAUD_SLEEP(m) ((m) & (1 << 3))
93#define SYN_MODE_DISABLE_GESTURE(m) ((m) & (1 << 2))
94#define SYN_MODE_PACKSIZE(m) ((m) & (1 << 1))
95#define SYN_MODE_WMODE(m) ((m) & (1 << 0))
96
97/* synaptics identify query bits */
98#define SYN_ID_MODEL(i) (((i) >> 4) & 0x0f)
99#define SYN_ID_MAJOR(i) ((i) & 0x0f)
100#define SYN_ID_MINOR(i) (((i) >> 16) & 0xff)
101#define SYN_ID_FULL(i) ((SYN_ID_MAJOR(i) << 8) | SYN_ID_MINOR(i))
102#define SYN_ID_IS_SYNAPTICS(i) ((((i) >> 8) & 0xff) == 0x47)
103#define SYN_ID_DISGEST_SUPPORTED(i) (SYN_ID_MAJOR(i) >= 4)
104
105/* synaptics special commands */
106#define SYN_PS_SET_MODE2 0x14
107#define SYN_PS_CLIENT_CMD 0x28
108
109/* synaptics packet types */
110#define SYN_NEWABS 0
111#define SYN_NEWABS_STRICT 1
112#define SYN_NEWABS_RELAXED 2
113#define SYN_OLDABS 3
114
115/* amount to fuzz position data when touchpad reports reduced filtering */
116#define SYN_REDUCED_FILTER_FUZZ 8
117
118/*
119 * A structure to describe which internal touchpad finger slots are being
120 * reported in raw packets.
121 */
122struct synaptics_mt_state {
123 int count; /* num fingers being tracked */
124 int sgm; /* which slot is reported by sgm pkt */
125 int agm; /* which slot is reported by agm pkt*/
126};
127
128/*
129 * A structure to describe the state of the touchpad hardware (buttons and pad)
130 */
131struct synaptics_hw_state {
132 int x;
133 int y;
134 int z;
135 int w;
136 unsigned int left:1;
137 unsigned int right:1;
138 unsigned int middle:1;
139 unsigned int up:1;
140 unsigned int down:1;
141 unsigned char ext_buttons;
142 signed char scroll;
143
144 /* As reported in last AGM-CONTACT packets */
145 struct synaptics_mt_state mt_state;
146};
147
148struct synaptics_data {
149 /* Data read from the touchpad */
150 unsigned long int model_id; /* Model-ID */
151 unsigned long int capabilities; /* Capabilities */
152 unsigned long int ext_cap; /* Extended Capabilities */
153 unsigned long int ext_cap_0c; /* Ext Caps from 0x0c query */
154 unsigned long int identity; /* Identification */
155 unsigned int x_res, y_res; /* X/Y resolution in units/mm */
156 unsigned int x_max, y_max; /* Max coordinates (from FW) */
157 unsigned int x_min, y_min; /* Min coordinates (from FW) */
158
159 unsigned char pkt_type; /* packet type - old, new, etc */
160 unsigned char mode; /* current mode byte */
161 int scroll;
162
163 bool absolute_mode; /* run in Absolute mode */
164 bool disable_gesture; /* disable gestures */
165
166 struct serio *pt_port; /* Pass-through serio port */
167
168 struct synaptics_mt_state mt_state; /* Current mt finger state */
169 bool mt_state_lost; /* mt_state may be incorrect */
170
171 /*
172 * Last received Advanced Gesture Mode (AGM) packet. An AGM packet
173 * contains position data for a second contact, at half resolution.
174 */
175 struct synaptics_hw_state agm;
176 bool agm_pending; /* new AGM packet received */
177};
178
179void synaptics_module_init(void);
180int synaptics_detect(struct psmouse *psmouse, bool set_properties);
181int synaptics_init(struct psmouse *psmouse);
182int synaptics_init_relative(struct psmouse *psmouse);
183void synaptics_reset(struct psmouse *psmouse);
184bool synaptics_supported(void);
185
186#endif /* _SYNAPTICS_H */