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Linus Torvalds1da177e2005-04-16 15:20:36 -07001/*
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
Linus Torvalds1da177e2005-04-16 15:20:36 -070012/* 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
Takashi Iwai5f57d672010-04-19 10:37:21 -070021#define SYN_QUE_EXT_CAPAB_0C 0x0c
Dmitry Torokhov83ba9ea2010-05-10 23:06:52 -070022#define SYN_QUE_EXT_DIMENSIONS 0x0d
Linus Torvalds1da177e2005-04-16 15:20:36 -070023
24/* synatics modes */
25#define SYN_BIT_ABSOLUTE_MODE (1 << 7)
26#define SYN_BIT_HIGH_RATE (1 << 6)
27#define SYN_BIT_SLEEP_MODE (1 << 3)
28#define SYN_BIT_DISABLE_GESTURE (1 << 2)
29#define SYN_BIT_FOUR_BYTE_CLIENT (1 << 1)
30#define SYN_BIT_W_MODE (1 << 0)
31
32/* synaptics model ID bits */
33#define SYN_MODEL_ROT180(m) ((m) & (1 << 23))
34#define SYN_MODEL_PORTRAIT(m) ((m) & (1 << 22))
35#define SYN_MODEL_SENSOR(m) (((m) >> 16) & 0x3f)
36#define SYN_MODEL_HARDWARE(m) (((m) >> 9) & 0x7f)
37#define SYN_MODEL_NEWABS(m) ((m) & (1 << 7))
38#define SYN_MODEL_PEN(m) ((m) & (1 << 6))
39#define SYN_MODEL_SIMPLIC(m) ((m) & (1 << 5))
40#define SYN_MODEL_GEOMETRY(m) ((m) & 0x0f)
41
42/* synaptics capability bits */
43#define SYN_CAP_EXTENDED(c) ((c) & (1 << 23))
44#define SYN_CAP_MIDDLE_BUTTON(c) ((c) & (1 << 18))
45#define SYN_CAP_PASS_THROUGH(c) ((c) & (1 << 7))
46#define SYN_CAP_SLEEP(c) ((c) & (1 << 4))
47#define SYN_CAP_FOUR_BUTTON(c) ((c) & (1 << 3))
48#define SYN_CAP_MULTIFINGER(c) ((c) & (1 << 1))
49#define SYN_CAP_PALMDETECT(c) ((c) & (1 << 0))
Dmitry Torokhov3619b8f2010-07-21 00:01:19 -070050#define SYN_CAP_SUBMODEL_ID(c) (((c) & 0x00ff00) >> 8)
Linus Torvalds1da177e2005-04-16 15:20:36 -070051#define SYN_EXT_CAP_REQUESTS(c) (((c) & 0x700000) >> 20)
52#define SYN_CAP_MULTI_BUTTON_NO(ec) (((ec) & 0x00f000) >> 12)
Takashi Iwai5f57d672010-04-19 10:37:21 -070053#define SYN_CAP_PRODUCT_ID(ec) (((ec) & 0xff0000) >> 16)
54#define SYN_CAP_CLICKPAD(ex0c) ((ex0c) & 0x100100)
Dmitry Torokhov83ba9ea2010-05-10 23:06:52 -070055#define SYN_CAP_MAX_DIMENSIONS(ex0c) ((ex0c) & 0x020000)
Linus Torvalds1da177e2005-04-16 15:20:36 -070056
57/* synaptics modes query bits */
58#define SYN_MODE_ABSOLUTE(m) ((m) & (1 << 7))
59#define SYN_MODE_RATE(m) ((m) & (1 << 6))
60#define SYN_MODE_BAUD_SLEEP(m) ((m) & (1 << 3))
61#define SYN_MODE_DISABLE_GESTURE(m) ((m) & (1 << 2))
62#define SYN_MODE_PACKSIZE(m) ((m) & (1 << 1))
63#define SYN_MODE_WMODE(m) ((m) & (1 << 0))
64
65/* synaptics identify query bits */
Andres Salomon55e3d922007-03-10 01:39:54 -050066#define SYN_ID_MODEL(i) (((i) >> 4) & 0x0f)
67#define SYN_ID_MAJOR(i) ((i) & 0x0f)
68#define SYN_ID_MINOR(i) (((i) >> 16) & 0xff)
Dmitry Torokhov3619b8f2010-07-21 00:01:19 -070069#define SYN_ID_FULL(i) ((SYN_ID_MAJOR(i) << 8) | SYN_ID_MINOR(i))
Linus Torvalds1da177e2005-04-16 15:20:36 -070070#define SYN_ID_IS_SYNAPTICS(i) ((((i) >> 8) & 0xff) == 0x47)
71
72/* synaptics special commands */
73#define SYN_PS_SET_MODE2 0x14
74#define SYN_PS_CLIENT_CMD 0x28
75
76/* synaptics packet types */
77#define SYN_NEWABS 0
78#define SYN_NEWABS_STRICT 1
79#define SYN_NEWABS_RELAXED 2
80#define SYN_OLDABS 3
81
82/*
83 * A structure to describe the state of the touchpad hardware (buttons and pad)
84 */
85
86struct synaptics_hw_state {
87 int x;
88 int y;
89 int z;
90 int w;
91 unsigned int left:1;
92 unsigned int right:1;
93 unsigned int middle:1;
94 unsigned int up:1;
95 unsigned int down:1;
96 unsigned char ext_buttons;
97 signed char scroll;
98};
99
100struct synaptics_data {
101 /* Data read from the touchpad */
102 unsigned long int model_id; /* Model-ID */
Andres Salomon55e3d922007-03-10 01:39:54 -0500103 unsigned long int capabilities; /* Capabilities */
104 unsigned long int ext_cap; /* Extended Capabilities */
Takashi Iwai5f57d672010-04-19 10:37:21 -0700105 unsigned long int ext_cap_0c; /* Ext Caps from 0x0c query */
Linus Torvalds1da177e2005-04-16 15:20:36 -0700106 unsigned long int identity; /* Identification */
Dmitry Torokhov83ba9ea2010-05-10 23:06:52 -0700107 unsigned int x_res, y_res; /* X/Y resolution in units/mm */
108 unsigned int x_max, y_max; /* Max dimensions (from FW) */
Linus Torvalds1da177e2005-04-16 15:20:36 -0700109
110 unsigned char pkt_type; /* packet type - old, new, etc */
111 unsigned char mode; /* current mode byte */
112 int scroll;
113};
114
Dmitry Torokhov7705d542009-12-03 23:21:14 -0800115void synaptics_module_init(void);
Dmitry Torokhovb7802c52009-09-09 19:13:20 -0700116int synaptics_detect(struct psmouse *psmouse, bool set_properties);
Andres Salomon55e3d922007-03-10 01:39:54 -0500117int synaptics_init(struct psmouse *psmouse);
118void synaptics_reset(struct psmouse *psmouse);
Daniel Drakee4e6efd2010-01-07 01:52:39 -0800119bool synaptics_supported(void);
Andres Salomon55e3d922007-03-10 01:39:54 -0500120
Linus Torvalds1da177e2005-04-16 15:20:36 -0700121#endif /* _SYNAPTICS_H */