Input: psmouse - add OLPC touchpad driver
[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        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
23 enum 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 */
32 typedef enum {
33         PSMOUSE_BAD_DATA,
34         PSMOUSE_GOOD_DATA,
35         PSMOUSE_FULL_PACKET
36 } psmouse_ret_t;
37
38 struct psmouse {
39         void *private;
40         struct input_dev *dev;
41         struct ps2dev ps2dev;
42         struct delayed_work 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
78 enum 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_TOUCHKIT_PS2,
91         PSMOUSE_CORTRON,
92         PSMOUSE_HGPK,
93         PSMOUSE_AUTO            /* This one should always be last */
94 };
95
96 void psmouse_queue_work(struct psmouse *psmouse, struct delayed_work *work,
97                 unsigned long delay);
98 int psmouse_sliced_command(struct psmouse *psmouse, unsigned char command);
99 int psmouse_reset(struct psmouse *psmouse);
100 void psmouse_set_state(struct psmouse *psmouse, enum psmouse_state new_state);
101 void psmouse_set_resolution(struct psmouse *psmouse, unsigned int resolution);
102
103 struct psmouse_attribute {
104         struct device_attribute dattr;
105         void *data;
106         ssize_t (*show)(struct psmouse *psmouse, void *data, char *buf);
107         ssize_t (*set)(struct psmouse *psmouse, void *data,
108                         const char *buf, size_t count);
109         int protect;
110 };
111 #define to_psmouse_attr(a)      container_of((a), struct psmouse_attribute, dattr)
112
113 ssize_t psmouse_attr_show_helper(struct device *dev, struct device_attribute *attr,
114                                  char *buf);
115 ssize_t psmouse_attr_set_helper(struct device *dev, struct device_attribute *attr,
116                                 const char *buf, size_t count);
117
118 #define __PSMOUSE_DEFINE_ATTR(_name, _mode, _data, _show, _set, _protect)       \
119 static ssize_t _show(struct psmouse *, void *data, char *);                     \
120 static ssize_t _set(struct psmouse *, void *data, const char *, size_t);        \
121 static struct psmouse_attribute psmouse_attr_##_name = {                        \
122         .dattr  = {                                                             \
123                 .attr   = {                                                     \
124                         .name   = __stringify(_name),                           \
125                         .mode   = _mode,                                        \
126                 },                                                              \
127                 .show   = psmouse_attr_show_helper,                             \
128                 .store  = psmouse_attr_set_helper,                              \
129         },                                                                      \
130         .data   = _data,                                                        \
131         .show   = _show,                                                        \
132         .set    = _set,                                                         \
133         .protect = _protect,                                                    \
134 }
135
136 #define PSMOUSE_DEFINE_ATTR(_name, _mode, _data, _show, _set)   \
137                 __PSMOUSE_DEFINE_ATTR(_name, _mode, _data, _show, _set, 1)
138
139 #endif /* _PSMOUSE_H */