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_RESET_WRAP  0x00ec
  12 #define PSMOUSE_CMD_GETID       0x02f2
  13 #define PSMOUSE_CMD_SETRATE     0x10f3
  14 #define PSMOUSE_CMD_ENABLE      0x00f4
  15 #define PSMOUSE_CMD_DISABLE     0x00f5
  16 #define PSMOUSE_CMD_RESET_DIS   0x00f6
  17 #define PSMOUSE_CMD_RESET_BAT   0x02ff
  18
  19 #define PSMOUSE_RET_BAT         0xaa
  20 #define PSMOUSE_RET_ID          0x00
  21 #define PSMOUSE_RET_ACK         0xfa
  22 #define PSMOUSE_RET_NAK         0xfe
  23
  24 enum psmouse_state {
  25         PSMOUSE_IGNORE,
  26         PSMOUSE_INITIALIZING,
  27         PSMOUSE_RESYNCING,
  28         PSMOUSE_CMD_MODE,
  29         PSMOUSE_ACTIVATED,
  30 };
  31
  32 /* psmouse protocol handler return codes */
  33 typedef enum {
  34         PSMOUSE_BAD_DATA,
  35         PSMOUSE_GOOD_DATA,
  36         PSMOUSE_FULL_PACKET
  37 } psmouse_ret_t;
  38
  39 struct psmouse {
  40         void *private;
  41         struct input_dev *dev;
  42         struct ps2dev ps2dev;
  43         struct delayed_work resync_work;
  44         char *vendor;
  45         char *name;
  46         unsigned char packet[8];
  47         unsigned char badbyte;
  48         unsigned char pktcnt;
  49         unsigned char pktsize;
  50         unsigned char type;
  51         bool ignore_parity;
  52         bool acks_disable_command;
  53         unsigned int model;
  54         unsigned long last;
  55         unsigned long out_of_sync_cnt;
  56         unsigned long num_resyncs;
  57         enum psmouse_state state;
  58         char devname[64];
  59         char phys[32];
  60
  61         unsigned int rate;
  62         unsigned int resolution;
  63         unsigned int resetafter;
  64         unsigned int resync_time;
  65         bool smartscroll;       /* Logitech only */
  66
  67         psmouse_ret_t (*protocol_handler)(struct psmouse *psmouse);
  68         void (*set_rate)(struct psmouse *psmouse, unsigned int rate);
  69         void (*set_resolution)(struct psmouse *psmouse, unsigned int resolution);
  70
  71         int (*reconnect)(struct psmouse *psmouse);
  72         void (*disconnect)(struct psmouse *psmouse);
  73         void (*cleanup)(struct psmouse *psmouse);
  74         int (*poll)(struct psmouse *psmouse);
  75
  76         void (*pt_activate)(struct psmouse *psmouse);
  77         void (*pt_deactivate)(struct psmouse *psmouse);
  78 };
  79
  80 enum psmouse_type {
  81         PSMOUSE_NONE,
  82         PSMOUSE_PS2,
  83         PSMOUSE_PS2PP,
  84         PSMOUSE_THINKPS,
  85         PSMOUSE_GENPS,
  86         PSMOUSE_IMPS,
  87         PSMOUSE_IMEX,
  88         PSMOUSE_SYNAPTICS,
  89         PSMOUSE_ALPS,
  90         PSMOUSE_LIFEBOOK,
  91         PSMOUSE_TRACKPOINT,
  92         PSMOUSE_TOUCHKIT_PS2,
  93         PSMOUSE_CORTRON,
  94         PSMOUSE_HGPK,
  95         PSMOUSE_ELANTECH,
  96         PSMOUSE_FSP,
  97         PSMOUSE_SYNAPTICS_RELATIVE,
  98         PSMOUSE_AUTO            /* This one should always be last */
  99 };
 100
 101 void psmouse_queue_work(struct psmouse *psmouse, struct delayed_work *work,
 102                 unsigned long delay);
 103 int psmouse_sliced_command(struct psmouse *psmouse, unsigned char command);
 104 int psmouse_reset(struct psmouse *psmouse);
 105 void psmouse_set_state(struct psmouse *psmouse, enum psmouse_state new_state);
 106 void psmouse_set_resolution(struct psmouse *psmouse, unsigned int resolution);
 107 psmouse_ret_t psmouse_process_byte(struct psmouse *psmouse);
 108 int psmouse_activate(struct psmouse *psmouse);
 109 int psmouse_deactivate(struct psmouse *psmouse);
 110
 111 struct psmouse_attribute {
 112         struct device_attribute dattr;
 113         void *data;
 114         ssize_t (*show)(struct psmouse *psmouse, void *data, char *buf);
 115         ssize_t (*set)(struct psmouse *psmouse, void *data,
 116                         const char *buf, size_t count);
 117         bool protect;
 118 };
 119 #define to_psmouse_attr(a)      container_of((a), struct psmouse_attribute, dattr)
 120
 121 ssize_t psmouse_attr_show_helper(struct device *dev, struct device_attribute *attr,
 122                                  char *buf);
 123 ssize_t psmouse_attr_set_helper(struct device *dev, struct device_attribute *attr,
 124                                 const char *buf, size_t count);
 125
 126 #define __PSMOUSE_DEFINE_ATTR_VAR(_name, _mode, _data, _show, _set, _protect)   \
 127 static struct psmouse_attribute psmouse_attr_##_name = {                        \
 128         .dattr  = {                                                             \
 129                 .attr   = {                                                     \
 130                         .name   = __stringify(_name),                           \
 131                         .mode   = _mode,                                        \
 132                 },                                                              \
 133                 .show   = psmouse_attr_show_helper,                             \
 134                 .store  = psmouse_attr_set_helper,                              \
 135         },                                                                      \
 136         .data   = _data,                                                        \
 137         .show   = _show,                                                        \
 138         .set    = _set,                                                         \
 139         .protect = _protect,                                                    \
 140 }
 141
 142 #define __PSMOUSE_DEFINE_ATTR(_name, _mode, _data, _show, _set, _protect)       \
 143         static ssize_t _show(struct psmouse *, void *, char *);                 \
 144         static ssize_t _set(struct psmouse *, void *, const char *, size_t);    \
 145         __PSMOUSE_DEFINE_ATTR_VAR(_name, _mode, _data, _show, _set, _protect)
 146
 147 #define PSMOUSE_DEFINE_ATTR(_name, _mode, _data, _show, _set)                   \
 148         __PSMOUSE_DEFINE_ATTR(_name, _mode, _data, _show, _set, true)
 149
 150 #define PSMOUSE_DEFINE_RO_ATTR(_name, _mode, _data, _show)                      \
 151         static ssize_t _show(struct psmouse *, void *, char *);                 \
 152         __PSMOUSE_DEFINE_ATTR_VAR(_name, _mode, _data, _show, NULL, true)
 153
 154 #define PSMOUSE_DEFINE_WO_ATTR(_name, _mode, _data, _set)                       \
 155         static ssize_t _set(struct psmouse *, void *, const char *, size_t);    \
 156         __PSMOUSE_DEFINE_ATTR_VAR(_name, _mode, _data, NULL, _set, true)
 157
 158 #ifndef psmouse_fmt
 159 #define psmouse_fmt(fmt)        KBUILD_BASENAME ": " fmt
 160 #endif
 161
 162 #define psmouse_dbg(psmouse, format, ...)               \
 163         dev_dbg(&(psmouse)->ps2dev.serio->dev,          \
 164                 psmouse_fmt(format), ##__VA_ARGS__)
 165 #define psmouse_info(psmouse, format, ...)              \
 166         dev_info(&(psmouse)->ps2dev.serio->dev,         \
 167                  psmouse_fmt(format), ##__VA_ARGS__)
 168 #define psmouse_warn(psmouse, format, ...)              \
 169         dev_warn(&(psmouse)->ps2dev.serio->dev,         \
 170                  psmouse_fmt(format), ##__VA_ARGS__)
 171 #define psmouse_err(psmouse, format, ...)               \
 172         dev_err(&(psmouse)->ps2dev.serio->dev,          \
 173                 psmouse_fmt(format), ##__VA_ARGS__)
 174 #define psmouse_notice(psmouse, format, ...)            \
 175         dev_notice(&(psmouse)->ps2dev.serio->dev,       \
 176                    psmouse_fmt(format), ##__VA_ARGS__)
 177 #define psmouse_printk(level, psmouse, format, ...)     \
 178         dev_printk(level,                               \
 179                    &(psmouse)->ps2dev.serio->dev,       \
 180                    psmouse_fmt(format), ##__VA_ARGS__)
 181
 182
 183 #endif /* _PSMOUSE_H */