drivers/input/mouse/psmouse.h

   1 #ifndef _PSMOUSE_H
   2 #define _PSMOUSE_H
   3
   4 #define PSMOUSE_OOB_NONE        0x00
   5 #define PSMOUSE_OOB_EXTRA_BTNS  0x01
   6
   7 #define PSMOUSE_CMD_SETSCALE11  0x00e6
   8 #define PSMOUSE_CMD_SETSCALE21  0x00e7
   9 #define PSMOUSE_CMD_SETRES      0x10e8
  10 #define PSMOUSE_CMD_GETINFO     0x03e9
  11 #define PSMOUSE_CMD_SETSTREAM   0x00ea
  12 #define PSMOUSE_CMD_SETPOLL     0x00f0
  13 #define PSMOUSE_CMD_POLL        0x00eb  /* caller sets number of bytes to receive */
  14 #define PSMOUSE_CMD_RESET_WRAP  0x00ec
  15 #define PSMOUSE_CMD_GETID       0x02f2
  16 #define PSMOUSE_CMD_SETRATE     0x10f3
  17 #define PSMOUSE_CMD_ENABLE      0x00f4
  18 #define PSMOUSE_CMD_DISABLE     0x00f5
  19 #define PSMOUSE_CMD_RESET_DIS   0x00f6
  20 #define PSMOUSE_CMD_RESET_BAT   0x02ff
  21
  22 #define PSMOUSE_RET_BAT         0xaa
  23 #define PSMOUSE_RET_ID          0x00
  24 #define PSMOUSE_RET_ACK         0xfa
  25 #define PSMOUSE_RET_NAK         0xfe
  26
  27 enum psmouse_state {
  28         PSMOUSE_IGNORE,
  29         PSMOUSE_INITIALIZING,
  30         PSMOUSE_RESYNCING,
  31         PSMOUSE_CMD_MODE,
  32         PSMOUSE_ACTIVATED,
  33 };
  34
  35 /* psmouse protocol handler return codes */
  36 typedef enum {
  37         PSMOUSE_BAD_DATA,
  38         PSMOUSE_GOOD_DATA,
  39         PSMOUSE_FULL_PACKET
  40 } psmouse_ret_t;
  41
  42 enum psmouse_scale {
  43         PSMOUSE_SCALE11,
  44         PSMOUSE_SCALE21
  45 };
  46
  47 struct psmouse {
  48         void *private;
  49         struct input_dev *dev;
  50         struct ps2dev ps2dev;
  51         struct delayed_work resync_work;
  52         char *vendor;
  53         char *name;
  54         unsigned char packet[8];
  55         unsigned char badbyte;
  56         unsigned char pktcnt;
  57         unsigned char pktsize;
  58         unsigned char type;
  59         unsigned char oob_data_type;
  60         unsigned char extra_buttons;
  61         bool ignore_parity;
  62         bool acks_disable_command;
  63         unsigned int model;
  64         unsigned long last;
  65         unsigned long out_of_sync_cnt;
  66         unsigned long num_resyncs;
  67         enum psmouse_state state;
  68         char devname[64];
  69         char phys[32];
  70
  71         unsigned int rate;
  72         unsigned int resolution;
  73         unsigned int resetafter;
  74         unsigned int resync_time;
  75         bool smartscroll;       /* Logitech only */
  76
  77         psmouse_ret_t (*protocol_handler)(struct psmouse *psmouse);
  78         void (*set_rate)(struct psmouse *psmouse, unsigned int rate);
  79         void (*set_resolution)(struct psmouse *psmouse, unsigned int resolution);
  80         void (*set_scale)(struct psmouse *psmouse, enum psmouse_scale scale);
  81
  82         int (*reconnect)(struct psmouse *psmouse);
  83         int (*fast_reconnect)(struct psmouse *psmouse);
  84         void (*disconnect)(struct psmouse *psmouse);
  85         void (*cleanup)(struct psmouse *psmouse);
  86         int (*poll)(struct psmouse *psmouse);
  87
  88         void (*pt_activate)(struct psmouse *psmouse);
  89         void (*pt_deactivate)(struct psmouse *psmouse);
  90 };
  91
  92 enum psmouse_type {
  93         PSMOUSE_NONE,
  94         PSMOUSE_PS2,
  95         PSMOUSE_PS2PP,
  96         PSMOUSE_THINKPS,
  97         PSMOUSE_GENPS,
  98         PSMOUSE_IMPS,
  99         PSMOUSE_IMEX,
 100         PSMOUSE_SYNAPTICS,
 101         PSMOUSE_ALPS,
 102         PSMOUSE_LIFEBOOK,
 103         PSMOUSE_TRACKPOINT,
 104         PSMOUSE_TOUCHKIT_PS2,
 105         PSMOUSE_CORTRON,
 106         PSMOUSE_HGPK,
 107         PSMOUSE_ELANTECH,
 108         PSMOUSE_FSP,
 109         PSMOUSE_SYNAPTICS_RELATIVE,
 110         PSMOUSE_CYPRESS,
 111         PSMOUSE_FOCALTECH,
 112         PSMOUSE_VMMOUSE,
 113         PSMOUSE_BYD,
 114         PSMOUSE_AUTO            /* This one should always be last */
 115 };
 116
 117 void psmouse_queue_work(struct psmouse *psmouse, struct delayed_work *work,
 118                 unsigned long delay);
 119 int psmouse_sliced_command(struct psmouse *psmouse, unsigned char command);
 120 int psmouse_reset(struct psmouse *psmouse);
 121 void psmouse_set_state(struct psmouse *psmouse, enum psmouse_state new_state);
 122 void psmouse_set_resolution(struct psmouse *psmouse, unsigned int resolution);
 123 psmouse_ret_t psmouse_process_byte(struct psmouse *psmouse);
 124 int psmouse_activate(struct psmouse *psmouse);
 125 int psmouse_deactivate(struct psmouse *psmouse);
 126 bool psmouse_matches_pnp_id(struct psmouse *psmouse, const char * const ids[]);
 127
 128 struct psmouse_attribute {
 129         struct device_attribute dattr;
 130         void *data;
 131         ssize_t (*show)(struct psmouse *psmouse, void *data, char *buf);
 132         ssize_t (*set)(struct psmouse *psmouse, void *data,
 133                         const char *buf, size_t count);
 134         bool protect;
 135 };
 136 #define to_psmouse_attr(a)      container_of((a), struct psmouse_attribute, dattr)
 137
 138 ssize_t psmouse_attr_show_helper(struct device *dev, struct device_attribute *attr,
 139                                  char *buf);
 140 ssize_t psmouse_attr_set_helper(struct device *dev, struct device_attribute *attr,
 141                                 const char *buf, size_t count);
 142
 143 #define __PSMOUSE_DEFINE_ATTR_VAR(_name, _mode, _data, _show, _set, _protect)   \
 144 static struct psmouse_attribute psmouse_attr_##_name = {                        \
 145         .dattr  = {                                                             \
 146                 .attr   = {                                                     \
 147                         .name   = __stringify(_name),                           \
 148                         .mode   = _mode,                                        \
 149                 },                                                              \
 150                 .show   = psmouse_attr_show_helper,                             \
 151                 .store  = psmouse_attr_set_helper,                              \
 152         },                                                                      \
 153         .data   = _data,                                                        \
 154         .show   = _show,                                                        \
 155         .set    = _set,                                                         \
 156         .protect = _protect,                                                    \
 157 }
 158
 159 #define __PSMOUSE_DEFINE_ATTR(_name, _mode, _data, _show, _set, _protect)       \
 160         static ssize_t _show(struct psmouse *, void *, char *);                 \
 161         static ssize_t _set(struct psmouse *, void *, const char *, size_t);    \
 162         __PSMOUSE_DEFINE_ATTR_VAR(_name, _mode, _data, _show, _set, _protect)
 163
 164 #define PSMOUSE_DEFINE_ATTR(_name, _mode, _data, _show, _set)                   \
 165         __PSMOUSE_DEFINE_ATTR(_name, _mode, _data, _show, _set, true)
 166
 167 #define PSMOUSE_DEFINE_RO_ATTR(_name, _mode, _data, _show)                      \
 168         static ssize_t _show(struct psmouse *, void *, char *);                 \
 169         __PSMOUSE_DEFINE_ATTR_VAR(_name, _mode, _data, _show, NULL, true)
 170
 171 #define PSMOUSE_DEFINE_WO_ATTR(_name, _mode, _data, _set)                       \
 172         static ssize_t _set(struct psmouse *, void *, const char *, size_t);    \
 173         __PSMOUSE_DEFINE_ATTR_VAR(_name, _mode, _data, NULL, _set, true)
 174
 175 #ifndef psmouse_fmt
 176 #define psmouse_fmt(fmt)        KBUILD_BASENAME ": " fmt
 177 #endif
 178
 179 #define psmouse_dbg(psmouse, format, ...)               \
 180         dev_dbg(&(psmouse)->ps2dev.serio->dev,          \
 181                 psmouse_fmt(format), ##__VA_ARGS__)
 182 #define psmouse_info(psmouse, format, ...)              \
 183         dev_info(&(psmouse)->ps2dev.serio->dev,         \
 184                  psmouse_fmt(format), ##__VA_ARGS__)
 185 #define psmouse_warn(psmouse, format, ...)              \
 186         dev_warn(&(psmouse)->ps2dev.serio->dev,         \
 187                  psmouse_fmt(format), ##__VA_ARGS__)
 188 #define psmouse_err(psmouse, format, ...)               \
 189         dev_err(&(psmouse)->ps2dev.serio->dev,          \
 190                 psmouse_fmt(format), ##__VA_ARGS__)
 191 #define psmouse_notice(psmouse, format, ...)            \
 192         dev_notice(&(psmouse)->ps2dev.serio->dev,       \
 193                    psmouse_fmt(format), ##__VA_ARGS__)
 194 #define psmouse_printk(level, psmouse, format, ...)     \
 195         dev_printk(level,                               \
 196                    &(psmouse)->ps2dev.serio->dev,       \
 197                    psmouse_fmt(format), ##__VA_ARGS__)
 198
 199
 200 #endif /* _PSMOUSE_H */