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         bool ignore_parity;
  51         bool acks_disable_command;
  52         unsigned int model;
  53         unsigned long last;
  54         unsigned long out_of_sync_cnt;
  55         unsigned long num_resyncs;
  56         enum psmouse_state state;
  57         char devname[64];
  58         char phys[32];
  59
  60         unsigned int rate;
  61         unsigned int resolution;
  62         unsigned int resetafter;
  63         unsigned int resync_time;
  64         bool smartscroll;       /* Logitech only */
  65
  66         psmouse_ret_t (*protocol_handler)(struct psmouse *psmouse);
  67         void (*set_rate)(struct psmouse *psmouse, unsigned int rate);
  68         void (*set_resolution)(struct psmouse *psmouse, unsigned int resolution);
  69
  70         int (*reconnect)(struct psmouse *psmouse);
  71         void (*disconnect)(struct psmouse *psmouse);
  72         void (*cleanup)(struct psmouse *psmouse);
  73         int (*poll)(struct psmouse *psmouse);
  74
  75         void (*pt_activate)(struct psmouse *psmouse);
  76         void (*pt_deactivate)(struct psmouse *psmouse);
  77 };
  78
  79 enum psmouse_type {
  80         PSMOUSE_NONE,
  81         PSMOUSE_PS2,
  82         PSMOUSE_PS2PP,
  83         PSMOUSE_THINKPS,
  84         PSMOUSE_GENPS,
  85         PSMOUSE_IMPS,
  86         PSMOUSE_IMEX,
  87         PSMOUSE_SYNAPTICS,
  88         PSMOUSE_ALPS,
  89         PSMOUSE_LIFEBOOK,
  90         PSMOUSE_TRACKPOINT,
  91         PSMOUSE_TOUCHKIT_PS2,
  92         PSMOUSE_CORTRON,
  93         PSMOUSE_HGPK,
  94         PSMOUSE_ELANTECH,
  95         PSMOUSE_FSP,
  96         PSMOUSE_AUTO            /* This one should always be last */
  97 };
  98
  99 void psmouse_queue_work(struct psmouse *psmouse, struct delayed_work *work,
 100                 unsigned long delay);
 101 int psmouse_sliced_command(struct psmouse *psmouse, unsigned char command);
 102 int psmouse_reset(struct psmouse *psmouse);
 103 void psmouse_set_state(struct psmouse *psmouse, enum psmouse_state new_state);
 104 void psmouse_set_resolution(struct psmouse *psmouse, unsigned int resolution);
 105
 106 struct psmouse_attribute {
 107         struct device_attribute dattr;
 108         void *data;
 109         ssize_t (*show)(struct psmouse *psmouse, void *data, char *buf);
 110         ssize_t (*set)(struct psmouse *psmouse, void *data,
 111                         const char *buf, size_t count);
 112         bool protect;
 113 };
 114 #define to_psmouse_attr(a)      container_of((a), struct psmouse_attribute, dattr)
 115
 116 ssize_t psmouse_attr_show_helper(struct device *dev, struct device_attribute *attr,
 117                                  char *buf);
 118 ssize_t psmouse_attr_set_helper(struct device *dev, struct device_attribute *attr,
 119                                 const char *buf, size_t count);
 120
 121 #define __PSMOUSE_DEFINE_ATTR_VAR(_name, _mode, _data, _show, _set, _protect)   \
 122 static struct psmouse_attribute psmouse_attr_##_name = {                        \
 123         .dattr  = {                                                             \
 124                 .attr   = {                                                     \
 125                         .name   = __stringify(_name),                           \
 126                         .mode   = _mode,                                        \
 127                 },                                                              \
 128                 .show   = psmouse_attr_show_helper,                             \
 129                 .store  = psmouse_attr_set_helper,                              \
 130         },                                                                      \
 131         .data   = _data,                                                        \
 132         .show   = _show,                                                        \
 133         .set    = _set,                                                         \
 134         .protect = _protect,                                                    \
 135 }
 136
 137 #define __PSMOUSE_DEFINE_ATTR(_name, _mode, _data, _show, _set, _protect)       \
 138         static ssize_t _show(struct psmouse *, void *, char *);                 \
 139         static ssize_t _set(struct psmouse *, void *, const char *, size_t);    \
 140         __PSMOUSE_DEFINE_ATTR_VAR(_name, _mode, _data, _show, _set, _protect)
 141
 142 #define PSMOUSE_DEFINE_ATTR(_name, _mode, _data, _show, _set)                   \
 143         __PSMOUSE_DEFINE_ATTR(_name, _mode, _data, _show, _set, true)
 144
 145 #define PSMOUSE_DEFINE_RO_ATTR(_name, _mode, _data, _show)                      \
 146         static ssize_t _show(struct psmouse *, void *, char *);                 \
 147         __PSMOUSE_DEFINE_ATTR_VAR(_name, _mode, _data, _show, NULL, true)
 148
 149 #define PSMOUSE_DEFINE_WO_ATTR(_name, _mode, _data, _set)                       \
 150         static ssize_t _set(struct psmouse *, void *, const char *, size_t);    \
 151         __PSMOUSE_DEFINE_ATTR_VAR(_name, _mode, _data, NULL, _set, true)
 152
 153 #endif /* _PSMOUSE_H */