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         PSMOUSE_LIFEBOOK,
  81         PSMOUSE_TRACKPOINT,
  82         PSMOUSE_AUTO            /* This one should always be last */
  83 };
  84
  85 int psmouse_sliced_command(struct psmouse *psmouse, unsigned char command);
  86 int psmouse_reset(struct psmouse *psmouse);
  87 void psmouse_set_resolution(struct psmouse *psmouse, unsigned int resolution);
  88
  89
  90 struct psmouse_attribute {
  91         struct device_attribute dattr;
  92         void *data;
  93         ssize_t (*show)(struct psmouse *psmouse, void *data, char *buf);
  94         ssize_t (*set)(struct psmouse *psmouse, void *data,
  95                         const char *buf, size_t count);
  96 };
  97 #define to_psmouse_attr(a)      container_of((a), struct psmouse_attribute, dattr)
  98
  99 ssize_t psmouse_attr_show_helper(struct device *dev, struct device_attribute *attr,
 100                                  char *buf);
 101 ssize_t psmouse_attr_set_helper(struct device *dev, struct device_attribute *attr,
 102                                 const char *buf, size_t count);
 103
 104 #define PSMOUSE_DEFINE_ATTR(_name, _mode, _data, _show, _set)                   \
 105 static ssize_t _show(struct psmouse *, void *data, char *);                     \
 106 static ssize_t _set(struct psmouse *, void *data, const char *, size_t);        \
 107 static struct psmouse_attribute psmouse_attr_##_name = {                        \
 108         .dattr  = {                                                             \
 109                 .attr   = {                                                     \
 110                         .name   = __stringify(_name),                           \
 111                         .mode   = _mode,                                        \
 112                         .owner  = THIS_MODULE,                                  \
 113                 },                                                              \
 114                 .show   = psmouse_attr_show_helper,                             \
 115                 .store  = psmouse_attr_set_helper,                              \
 116         },                                                                      \
 117         .data   = _data,                                                        \
 118         .show   = _show,                                                        \
 119         .set    = _set,                                                         \
 120 }
 121
 122 #endif /* _PSMOUSE_H */