tjh.dev
Linux kernel mirror (for testing)
git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git
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
39struct psmouse {
40 void *private;
41 struct input_dev *dev;
42 struct ps2dev ps2dev;
43 struct delayed_work resync_work;
44 char *vendor;
45 char *name;
46 unsigned char packet[8];
47 unsigned char badbyte;
48 unsigned char pktcnt;
49 unsigned char pktsize;
50 unsigned char type;
51 bool ignore_parity;
52 bool acks_disable_command;
53 unsigned int model;
54 unsigned long last;
55 unsigned long out_of_sync_cnt;
56 unsigned long num_resyncs;
57 enum psmouse_state state;
58 char devname[64];
59 char phys[32];
60
61 unsigned int rate;
62 unsigned int resolution;
63 unsigned int resetafter;
64 unsigned int resync_time;
65 bool smartscroll; /* Logitech only */
66
67 psmouse_ret_t (*protocol_handler)(struct psmouse *psmouse);
68 void (*set_rate)(struct psmouse *psmouse, unsigned int rate);
69 void (*set_resolution)(struct psmouse *psmouse, unsigned int resolution);
70
71 int (*reconnect)(struct psmouse *psmouse);
72 void (*disconnect)(struct psmouse *psmouse);
73 void (*cleanup)(struct psmouse *psmouse);
74 int (*poll)(struct psmouse *psmouse);
75
76 void (*pt_activate)(struct psmouse *psmouse);
77 void (*pt_deactivate)(struct psmouse *psmouse);
78};
79
80enum psmouse_type {
81 PSMOUSE_NONE,
82 PSMOUSE_PS2,
83 PSMOUSE_PS2PP,
84 PSMOUSE_THINKPS,
85 PSMOUSE_GENPS,
86 PSMOUSE_IMPS,
87 PSMOUSE_IMEX,
88 PSMOUSE_SYNAPTICS,
89 PSMOUSE_ALPS,
90 PSMOUSE_LIFEBOOK,
91 PSMOUSE_TRACKPOINT,
92 PSMOUSE_TOUCHKIT_PS2,
93 PSMOUSE_CORTRON,
94 PSMOUSE_HGPK,
95 PSMOUSE_ELANTECH,
96 PSMOUSE_FSP,
97 PSMOUSE_SYNAPTICS_RELATIVE,
98 PSMOUSE_CYPRESS,
99 PSMOUSE_AUTO /* This one should always be last */
100};
101
102void psmouse_queue_work(struct psmouse *psmouse, struct delayed_work *work,
103 unsigned long delay);
104int psmouse_sliced_command(struct psmouse *psmouse, unsigned char command);
105int psmouse_reset(struct psmouse *psmouse);
106void psmouse_set_state(struct psmouse *psmouse, enum psmouse_state new_state);
107void psmouse_set_resolution(struct psmouse *psmouse, unsigned int resolution);
108psmouse_ret_t psmouse_process_byte(struct psmouse *psmouse);
109int psmouse_activate(struct psmouse *psmouse);
110int psmouse_deactivate(struct psmouse *psmouse);
111bool psmouse_matches_pnp_id(struct psmouse *psmouse, const char * const ids[]);
112
113struct psmouse_attribute {
114 struct device_attribute dattr;
115 void *data;
116 ssize_t (*show)(struct psmouse *psmouse, void *data, char *buf);
117 ssize_t (*set)(struct psmouse *psmouse, void *data,
118 const char *buf, size_t count);
119 bool protect;
120};
121#define to_psmouse_attr(a) container_of((a), struct psmouse_attribute, dattr)
122
123ssize_t psmouse_attr_show_helper(struct device *dev, struct device_attribute *attr,
124 char *buf);
125ssize_t psmouse_attr_set_helper(struct device *dev, struct device_attribute *attr,
126 const char *buf, size_t count);
127
128#define __PSMOUSE_DEFINE_ATTR_VAR(_name, _mode, _data, _show, _set, _protect) \
129static struct psmouse_attribute psmouse_attr_##_name = { \
130 .dattr = { \
131 .attr = { \
132 .name = __stringify(_name), \
133 .mode = _mode, \
134 }, \
135 .show = psmouse_attr_show_helper, \
136 .store = psmouse_attr_set_helper, \
137 }, \
138 .data = _data, \
139 .show = _show, \
140 .set = _set, \
141 .protect = _protect, \
142}
143
144#define __PSMOUSE_DEFINE_ATTR(_name, _mode, _data, _show, _set, _protect) \
145 static ssize_t _show(struct psmouse *, void *, char *); \
146 static ssize_t _set(struct psmouse *, void *, const char *, size_t); \
147 __PSMOUSE_DEFINE_ATTR_VAR(_name, _mode, _data, _show, _set, _protect)
148
149#define PSMOUSE_DEFINE_ATTR(_name, _mode, _data, _show, _set) \
150 __PSMOUSE_DEFINE_ATTR(_name, _mode, _data, _show, _set, true)
151
152#define PSMOUSE_DEFINE_RO_ATTR(_name, _mode, _data, _show) \
153 static ssize_t _show(struct psmouse *, void *, char *); \
154 __PSMOUSE_DEFINE_ATTR_VAR(_name, _mode, _data, _show, NULL, true)
155
156#define PSMOUSE_DEFINE_WO_ATTR(_name, _mode, _data, _set) \
157 static ssize_t _set(struct psmouse *, void *, const char *, size_t); \
158 __PSMOUSE_DEFINE_ATTR_VAR(_name, _mode, _data, NULL, _set, true)
159
160#ifndef psmouse_fmt
161#define psmouse_fmt(fmt) KBUILD_BASENAME ": " fmt
162#endif
163
164#define psmouse_dbg(psmouse, format, ...) \
165 dev_dbg(&(psmouse)->ps2dev.serio->dev, \
166 psmouse_fmt(format), ##__VA_ARGS__)
167#define psmouse_info(psmouse, format, ...) \
168 dev_info(&(psmouse)->ps2dev.serio->dev, \
169 psmouse_fmt(format), ##__VA_ARGS__)
170#define psmouse_warn(psmouse, format, ...) \
171 dev_warn(&(psmouse)->ps2dev.serio->dev, \
172 psmouse_fmt(format), ##__VA_ARGS__)
173#define psmouse_err(psmouse, format, ...) \
174 dev_err(&(psmouse)->ps2dev.serio->dev, \
175 psmouse_fmt(format), ##__VA_ARGS__)
176#define psmouse_notice(psmouse, format, ...) \
177 dev_notice(&(psmouse)->ps2dev.serio->dev, \
178 psmouse_fmt(format), ##__VA_ARGS__)
179#define psmouse_printk(level, psmouse, format, ...) \
180 dev_printk(level, \
181 &(psmouse)->ps2dev.serio->dev, \
182 psmouse_fmt(format), ##__VA_ARGS__)
183
184
185#endif /* _PSMOUSE_H */