Linux-2.6.12-rc2
[linux-2.6.git] / drivers / input / mouse / psmouse.h
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        0x03eb
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
23 enum psmouse_state {
24         PSMOUSE_IGNORE,
25         PSMOUSE_INITIALIZING,
26         PSMOUSE_CMD_MODE,
27         PSMOUSE_ACTIVATED,
28 };
29
30 /* psmouse protocol handler return codes */
31 typedef enum {
32         PSMOUSE_BAD_DATA,
33         PSMOUSE_GOOD_DATA,
34         PSMOUSE_FULL_PACKET
35 } psmouse_ret_t;
36
37 struct psmouse {
38         void *private;
39         struct input_dev dev;
40         struct ps2dev ps2dev;
41         char *vendor;
42         char *name;
43         unsigned char packet[8];
44         unsigned char pktcnt;
45         unsigned char pktsize;
46         unsigned char type;
47         unsigned int model;
48         unsigned long last;
49         unsigned long out_of_sync;
50         enum psmouse_state state;
51         char devname[64];
52         char phys[32];
53
54         unsigned int rate;
55         unsigned int resolution;
56         unsigned int resetafter;
57         unsigned int smartscroll;       /* Logitech only */
58
59         psmouse_ret_t (*protocol_handler)(struct psmouse *psmouse, struct pt_regs *regs);
60         void (*set_rate)(struct psmouse *psmouse, unsigned int rate);
61         void (*set_resolution)(struct psmouse *psmouse, unsigned int resolution);
62
63         int (*reconnect)(struct psmouse *psmouse);
64         void (*disconnect)(struct psmouse *psmouse);
65
66         void (*pt_activate)(struct psmouse *psmouse);
67         void (*pt_deactivate)(struct psmouse *psmouse);
68 };
69
70 enum psmouse_type {
71         PSMOUSE_NONE,
72         PSMOUSE_PS2,
73         PSMOUSE_PS2PP,
74         PSMOUSE_THINKPS,
75         PSMOUSE_GENPS,
76         PSMOUSE_IMPS,
77         PSMOUSE_IMEX,
78         PSMOUSE_SYNAPTICS,
79         PSMOUSE_ALPS,
80 };
81
82 int psmouse_sliced_command(struct psmouse *psmouse, unsigned char command);
83 int psmouse_reset(struct psmouse *psmouse);
84 void psmouse_set_resolution(struct psmouse *psmouse, unsigned int resolution);
85
86 ssize_t psmouse_attr_show_helper(struct device *dev, char *buf,
87                         ssize_t (*handler)(struct psmouse *, char *));
88 ssize_t psmouse_attr_set_helper(struct device *dev, const char *buf, size_t count,
89                         ssize_t (*handler)(struct psmouse *, const char *, size_t));
90
91 #define PSMOUSE_DEFINE_ATTR(_name)                                              \
92 static ssize_t psmouse_attr_show_##_name(struct psmouse *, char *);             \
93 static ssize_t psmouse_attr_set_##_name(struct psmouse *, const char *, size_t);\
94 static ssize_t psmouse_do_show_##_name(struct device *d, char *b)               \
95 {                                                                               \
96         return psmouse_attr_show_helper(d, b, psmouse_attr_show_##_name);       \
97 }                                                                               \
98 static ssize_t psmouse_do_set_##_name(struct device *d, const char *b, size_t s)\
99 {                                                                               \
100         return psmouse_attr_set_helper(d, b, s, psmouse_attr_set_##_name);      \
101 }                                                                               \
102 static struct device_attribute psmouse_attr_##_name =                           \
103         __ATTR(_name, S_IWUSR | S_IRUGO,                                        \
104                 psmouse_do_show_##_name, psmouse_do_set_##_name);
105
106 #endif /* _PSMOUSE_H */