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 void (*disconnect)(struct psmouse *psmouse); 84 void (*cleanup)(struct psmouse *psmouse); 85 int (*poll)(struct psmouse *psmouse); 86 87 void (*pt_activate)(struct psmouse *psmouse); 88 void (*pt_deactivate)(struct psmouse *psmouse); 89 }; 90 91 enum psmouse_type { 92 PSMOUSE_NONE, 93 PSMOUSE_PS2, 94 PSMOUSE_PS2PP, 95 PSMOUSE_THINKPS, 96 PSMOUSE_GENPS, 97 PSMOUSE_IMPS, 98 PSMOUSE_IMEX, 99 PSMOUSE_SYNAPTICS, 100 PSMOUSE_ALPS, 101 PSMOUSE_LIFEBOOK, 102 PSMOUSE_TRACKPOINT, 103 PSMOUSE_TOUCHKIT_PS2, 104 PSMOUSE_CORTRON, 105 PSMOUSE_HGPK, 106 PSMOUSE_ELANTECH, 107 PSMOUSE_FSP, 108 PSMOUSE_SYNAPTICS_RELATIVE, 109 PSMOUSE_CYPRESS, 110 PSMOUSE_FOCALTECH, 111 PSMOUSE_VMMOUSE, 112 PSMOUSE_BYD, 113 PSMOUSE_AUTO /* This one should always be last */ 114 }; 115 116 void psmouse_queue_work(struct psmouse *psmouse, struct delayed_work *work, 117 unsigned long delay); 118 int psmouse_sliced_command(struct psmouse *psmouse, unsigned char command); 119 int psmouse_reset(struct psmouse *psmouse); 120 void psmouse_set_state(struct psmouse *psmouse, enum psmouse_state new_state); 121 void psmouse_set_resolution(struct psmouse *psmouse, unsigned int resolution); 122 psmouse_ret_t psmouse_process_byte(struct psmouse *psmouse); 123 int psmouse_activate(struct psmouse *psmouse); 124 int psmouse_deactivate(struct psmouse *psmouse); 125 bool psmouse_matches_pnp_id(struct psmouse *psmouse, const char * const ids[]); 126 127 struct psmouse_attribute { 128 struct device_attribute dattr; 129 void *data; 130 ssize_t (*show)(struct psmouse *psmouse, void *data, char *buf); 131 ssize_t (*set)(struct psmouse *psmouse, void *data, 132 const char *buf, size_t count); 133 bool protect; 134 }; 135 #define to_psmouse_attr(a) container_of((a), struct psmouse_attribute, dattr) 136 137 ssize_t psmouse_attr_show_helper(struct device *dev, struct device_attribute *attr, 138 char *buf); 139 ssize_t psmouse_attr_set_helper(struct device *dev, struct device_attribute *attr, 140 const char *buf, size_t count); 141 142 #define __PSMOUSE_DEFINE_ATTR_VAR(_name, _mode, _data, _show, _set, _protect) \ 143 static struct psmouse_attribute psmouse_attr_##_name = { \ 144 .dattr = { \ 145 .attr = { \ 146 .name = __stringify(_name), \ 147 .mode = _mode, \ 148 }, \ 149 .show = psmouse_attr_show_helper, \ 150 .store = psmouse_attr_set_helper, \ 151 }, \ 152 .data = _data, \ 153 .show = _show, \ 154 .set = _set, \ 155 .protect = _protect, \ 156 } 157 158 #define __PSMOUSE_DEFINE_ATTR(_name, _mode, _data, _show, _set, _protect) \ 159 static ssize_t _show(struct psmouse *, void *, char *); \ 160 static ssize_t _set(struct psmouse *, void *, const char *, size_t); \ 161 __PSMOUSE_DEFINE_ATTR_VAR(_name, _mode, _data, _show, _set, _protect) 162 163 #define PSMOUSE_DEFINE_ATTR(_name, _mode, _data, _show, _set) \ 164 __PSMOUSE_DEFINE_ATTR(_name, _mode, _data, _show, _set, true) 165 166 #define PSMOUSE_DEFINE_RO_ATTR(_name, _mode, _data, _show) \ 167 static ssize_t _show(struct psmouse *, void *, char *); \ 168 __PSMOUSE_DEFINE_ATTR_VAR(_name, _mode, _data, _show, NULL, true) 169 170 #define PSMOUSE_DEFINE_WO_ATTR(_name, _mode, _data, _set) \ 171 static ssize_t _set(struct psmouse *, void *, const char *, size_t); \ 172 __PSMOUSE_DEFINE_ATTR_VAR(_name, _mode, _data, NULL, _set, true) 173 174 #ifndef psmouse_fmt 175 #define psmouse_fmt(fmt) KBUILD_BASENAME ": " fmt 176 #endif 177 178 #define psmouse_dbg(psmouse, format, ...) \ 179 dev_dbg(&(psmouse)->ps2dev.serio->dev, \ 180 psmouse_fmt(format), ##__VA_ARGS__) 181 #define psmouse_info(psmouse, format, ...) \ 182 dev_info(&(psmouse)->ps2dev.serio->dev, \ 183 psmouse_fmt(format), ##__VA_ARGS__) 184 #define psmouse_warn(psmouse, format, ...) \ 185 dev_warn(&(psmouse)->ps2dev.serio->dev, \ 186 psmouse_fmt(format), ##__VA_ARGS__) 187 #define psmouse_err(psmouse, format, ...) \ 188 dev_err(&(psmouse)->ps2dev.serio->dev, \ 189 psmouse_fmt(format), ##__VA_ARGS__) 190 #define psmouse_notice(psmouse, format, ...) \ 191 dev_notice(&(psmouse)->ps2dev.serio->dev, \ 192 psmouse_fmt(format), ##__VA_ARGS__) 193 #define psmouse_printk(level, psmouse, format, ...) \ 194 dev_printk(level, \ 195 &(psmouse)->ps2dev.serio->dev, \ 196 psmouse_fmt(format), ##__VA_ARGS__) 197 198 199 #endif /* _PSMOUSE_H */ 200