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 */