Linux kernel mirror (for testing)
git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git
tjh.dev
kernel
os
linux
1#ifndef _PSMOUSE_H
2#define _PSMOUSE_H
3
4#define PSMOUSE_CMD_SETSCALE11 0x00e6
5#define PSMOUSE_CMD_SETSCALE21 0x00e7
6#define PSMOUSE_CMD_SETRES 0x10e8
7#define PSMOUSE_CMD_GETINFO 0x03e9
8#define PSMOUSE_CMD_SETSTREAM 0x00ea
9#define PSMOUSE_CMD_SETPOLL 0x00f0
10#define PSMOUSE_CMD_POLL 0x00eb /* caller sets number of bytes to receive */
11#define PSMOUSE_CMD_RESET_WRAP 0x00ec
12#define PSMOUSE_CMD_GETID 0x02f2
13#define PSMOUSE_CMD_SETRATE 0x10f3
14#define PSMOUSE_CMD_ENABLE 0x00f4
15#define PSMOUSE_CMD_DISABLE 0x00f5
16#define PSMOUSE_CMD_RESET_DIS 0x00f6
17#define PSMOUSE_CMD_RESET_BAT 0x02ff
18
19#define PSMOUSE_RET_BAT 0xaa
20#define PSMOUSE_RET_ID 0x00
21#define PSMOUSE_RET_ACK 0xfa
22#define PSMOUSE_RET_NAK 0xfe
23
24enum psmouse_state {
25 PSMOUSE_IGNORE,
26 PSMOUSE_INITIALIZING,
27 PSMOUSE_RESYNCING,
28 PSMOUSE_CMD_MODE,
29 PSMOUSE_ACTIVATED,
30};
31
32/* psmouse protocol handler return codes */
33typedef enum {
34 PSMOUSE_BAD_DATA,
35 PSMOUSE_GOOD_DATA,
36 PSMOUSE_FULL_PACKET
37} psmouse_ret_t;
38
39enum psmouse_scale {
40 PSMOUSE_SCALE11,
41 PSMOUSE_SCALE21
42};
43
44struct psmouse {
45 void *private;
46 struct input_dev *dev;
47 struct ps2dev ps2dev;
48 struct delayed_work resync_work;
49 char *vendor;
50 char *name;
51 unsigned char packet[8];
52 unsigned char badbyte;
53 unsigned char pktcnt;
54 unsigned char pktsize;
55 unsigned char type;
56 bool ignore_parity;
57 bool acks_disable_command;
58 unsigned int model;
59 unsigned long last;
60 unsigned long out_of_sync_cnt;
61 unsigned long num_resyncs;
62 enum psmouse_state state;
63 char devname[64];
64 char phys[32];
65
66 unsigned int rate;
67 unsigned int resolution;
68 unsigned int resetafter;
69 unsigned int resync_time;
70 bool smartscroll; /* Logitech only */
71
72 psmouse_ret_t (*protocol_handler)(struct psmouse *psmouse);
73 void (*set_rate)(struct psmouse *psmouse, unsigned int rate);
74 void (*set_resolution)(struct psmouse *psmouse, unsigned int resolution);
75 void (*set_scale)(struct psmouse *psmouse, enum psmouse_scale scale);
76
77 int (*reconnect)(struct psmouse *psmouse);
78 void (*disconnect)(struct psmouse *psmouse);
79 void (*cleanup)(struct psmouse *psmouse);
80 int (*poll)(struct psmouse *psmouse);
81
82 void (*pt_activate)(struct psmouse *psmouse);
83 void (*pt_deactivate)(struct psmouse *psmouse);
84};
85
86enum psmouse_type {
87 PSMOUSE_NONE,
88 PSMOUSE_PS2,
89 PSMOUSE_PS2PP,
90 PSMOUSE_THINKPS,
91 PSMOUSE_GENPS,
92 PSMOUSE_IMPS,
93 PSMOUSE_IMEX,
94 PSMOUSE_SYNAPTICS,
95 PSMOUSE_ALPS,
96 PSMOUSE_LIFEBOOK,
97 PSMOUSE_TRACKPOINT,
98 PSMOUSE_TOUCHKIT_PS2,
99 PSMOUSE_CORTRON,
100 PSMOUSE_HGPK,
101 PSMOUSE_ELANTECH,
102 PSMOUSE_FSP,
103 PSMOUSE_SYNAPTICS_RELATIVE,
104 PSMOUSE_CYPRESS,
105 PSMOUSE_FOCALTECH,
106 PSMOUSE_VMMOUSE,
107 PSMOUSE_AUTO /* This one should always be last */
108};
109
110void psmouse_queue_work(struct psmouse *psmouse, struct delayed_work *work,
111 unsigned long delay);
112int psmouse_sliced_command(struct psmouse *psmouse, unsigned char command);
113int psmouse_reset(struct psmouse *psmouse);
114void psmouse_set_state(struct psmouse *psmouse, enum psmouse_state new_state);
115void psmouse_set_resolution(struct psmouse *psmouse, unsigned int resolution);
116psmouse_ret_t psmouse_process_byte(struct psmouse *psmouse);
117int psmouse_activate(struct psmouse *psmouse);
118int psmouse_deactivate(struct psmouse *psmouse);
119bool psmouse_matches_pnp_id(struct psmouse *psmouse, const char * const ids[]);
120
121struct psmouse_attribute {
122 struct device_attribute dattr;
123 void *data;
124 ssize_t (*show)(struct psmouse *psmouse, void *data, char *buf);
125 ssize_t (*set)(struct psmouse *psmouse, void *data,
126 const char *buf, size_t count);
127 bool protect;
128};
129#define to_psmouse_attr(a) container_of((a), struct psmouse_attribute, dattr)
130
131ssize_t psmouse_attr_show_helper(struct device *dev, struct device_attribute *attr,
132 char *buf);
133ssize_t psmouse_attr_set_helper(struct device *dev, struct device_attribute *attr,
134 const char *buf, size_t count);
135
136#define __PSMOUSE_DEFINE_ATTR_VAR(_name, _mode, _data, _show, _set, _protect) \
137static struct psmouse_attribute psmouse_attr_##_name = { \
138 .dattr = { \
139 .attr = { \
140 .name = __stringify(_name), \
141 .mode = _mode, \
142 }, \
143 .show = psmouse_attr_show_helper, \
144 .store = psmouse_attr_set_helper, \
145 }, \
146 .data = _data, \
147 .show = _show, \
148 .set = _set, \
149 .protect = _protect, \
150}
151
152#define __PSMOUSE_DEFINE_ATTR(_name, _mode, _data, _show, _set, _protect) \
153 static ssize_t _show(struct psmouse *, void *, char *); \
154 static ssize_t _set(struct psmouse *, void *, const char *, size_t); \
155 __PSMOUSE_DEFINE_ATTR_VAR(_name, _mode, _data, _show, _set, _protect)
156
157#define PSMOUSE_DEFINE_ATTR(_name, _mode, _data, _show, _set) \
158 __PSMOUSE_DEFINE_ATTR(_name, _mode, _data, _show, _set, true)
159
160#define PSMOUSE_DEFINE_RO_ATTR(_name, _mode, _data, _show) \
161 static ssize_t _show(struct psmouse *, void *, char *); \
162 __PSMOUSE_DEFINE_ATTR_VAR(_name, _mode, _data, _show, NULL, true)
163
164#define PSMOUSE_DEFINE_WO_ATTR(_name, _mode, _data, _set) \
165 static ssize_t _set(struct psmouse *, void *, const char *, size_t); \
166 __PSMOUSE_DEFINE_ATTR_VAR(_name, _mode, _data, NULL, _set, true)
167
168#ifndef psmouse_fmt
169#define psmouse_fmt(fmt) KBUILD_BASENAME ": " fmt
170#endif
171
172#define psmouse_dbg(psmouse, format, ...) \
173 dev_dbg(&(psmouse)->ps2dev.serio->dev, \
174 psmouse_fmt(format), ##__VA_ARGS__)
175#define psmouse_info(psmouse, format, ...) \
176 dev_info(&(psmouse)->ps2dev.serio->dev, \
177 psmouse_fmt(format), ##__VA_ARGS__)
178#define psmouse_warn(psmouse, format, ...) \
179 dev_warn(&(psmouse)->ps2dev.serio->dev, \
180 psmouse_fmt(format), ##__VA_ARGS__)
181#define psmouse_err(psmouse, format, ...) \
182 dev_err(&(psmouse)->ps2dev.serio->dev, \
183 psmouse_fmt(format), ##__VA_ARGS__)
184#define psmouse_notice(psmouse, format, ...) \
185 dev_notice(&(psmouse)->ps2dev.serio->dev, \
186 psmouse_fmt(format), ##__VA_ARGS__)
187#define psmouse_printk(level, psmouse, format, ...) \
188 dev_printk(level, \
189 &(psmouse)->ps2dev.serio->dev, \
190 psmouse_fmt(format), ##__VA_ARGS__)
191
192
193#endif /* _PSMOUSE_H */