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_GETID 0x02f2
12#define PSMOUSE_CMD_SETRATE 0x10f3
13#define PSMOUSE_CMD_ENABLE 0x00f4
14#define PSMOUSE_CMD_DISABLE 0x00f5
15#define PSMOUSE_CMD_RESET_DIS 0x00f6
16#define PSMOUSE_CMD_RESET_BAT 0x02ff
17
18#define PSMOUSE_RET_BAT 0xaa
19#define PSMOUSE_RET_ID 0x00
20#define PSMOUSE_RET_ACK 0xfa
21#define PSMOUSE_RET_NAK 0xfe
22
23enum psmouse_state {
24 PSMOUSE_IGNORE,
25 PSMOUSE_INITIALIZING,
26 PSMOUSE_RESYNCING,
27 PSMOUSE_CMD_MODE,
28 PSMOUSE_ACTIVATED,
29};
30
31/* psmouse protocol handler return codes */
32typedef enum {
33 PSMOUSE_BAD_DATA,
34 PSMOUSE_GOOD_DATA,
35 PSMOUSE_FULL_PACKET
36} psmouse_ret_t;
37
38struct psmouse {
39 void *private;
40 struct input_dev *dev;
41 struct ps2dev ps2dev;
42 struct work_struct resync_work;
43 char *vendor;
44 char *name;
45 unsigned char packet[8];
46 unsigned char badbyte;
47 unsigned char pktcnt;
48 unsigned char pktsize;
49 unsigned char type;
50 unsigned char acks_disable_command;
51 unsigned int model;
52 unsigned long last;
53 unsigned long out_of_sync;
54 unsigned long num_resyncs;
55 enum psmouse_state state;
56 char devname[64];
57 char phys[32];
58
59 unsigned int rate;
60 unsigned int resolution;
61 unsigned int resetafter;
62 unsigned int resync_time;
63 unsigned int smartscroll; /* Logitech only */
64
65 psmouse_ret_t (*protocol_handler)(struct psmouse *psmouse);
66 void (*set_rate)(struct psmouse *psmouse, unsigned int rate);
67 void (*set_resolution)(struct psmouse *psmouse, unsigned int resolution);
68
69 int (*reconnect)(struct psmouse *psmouse);
70 void (*disconnect)(struct psmouse *psmouse);
71 void (*cleanup)(struct psmouse *psmouse);
72 int (*poll)(struct psmouse *psmouse);
73
74 void (*pt_activate)(struct psmouse *psmouse);
75 void (*pt_deactivate)(struct psmouse *psmouse);
76};
77
78enum psmouse_type {
79 PSMOUSE_NONE,
80 PSMOUSE_PS2,
81 PSMOUSE_PS2PP,
82 PSMOUSE_THINKPS,
83 PSMOUSE_GENPS,
84 PSMOUSE_IMPS,
85 PSMOUSE_IMEX,
86 PSMOUSE_SYNAPTICS,
87 PSMOUSE_ALPS,
88 PSMOUSE_LIFEBOOK,
89 PSMOUSE_TRACKPOINT,
90 PSMOUSE_AUTO /* This one should always be last */
91};
92
93int psmouse_sliced_command(struct psmouse *psmouse, unsigned char command);
94int psmouse_reset(struct psmouse *psmouse);
95void psmouse_set_resolution(struct psmouse *psmouse, unsigned int resolution);
96
97
98struct psmouse_attribute {
99 struct device_attribute dattr;
100 void *data;
101 ssize_t (*show)(struct psmouse *psmouse, void *data, char *buf);
102 ssize_t (*set)(struct psmouse *psmouse, void *data,
103 const char *buf, size_t count);
104};
105#define to_psmouse_attr(a) container_of((a), struct psmouse_attribute, dattr)
106
107ssize_t psmouse_attr_show_helper(struct device *dev, struct device_attribute *attr,
108 char *buf);
109ssize_t psmouse_attr_set_helper(struct device *dev, struct device_attribute *attr,
110 const char *buf, size_t count);
111
112#define PSMOUSE_DEFINE_ATTR(_name, _mode, _data, _show, _set) \
113static ssize_t _show(struct psmouse *, void *data, char *); \
114static ssize_t _set(struct psmouse *, void *data, const char *, size_t); \
115static struct psmouse_attribute psmouse_attr_##_name = { \
116 .dattr = { \
117 .attr = { \
118 .name = __stringify(_name), \
119 .mode = _mode, \
120 .owner = THIS_MODULE, \
121 }, \
122 .show = psmouse_attr_show_helper, \
123 .store = psmouse_attr_set_helper, \
124 }, \
125 .data = _data, \
126 .show = _show, \
127 .set = _set, \
128}
129
130#endif /* _PSMOUSE_H */