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 enum psmouse_scale { 40 PSMOUSE_SCALE11, 41 PSMOUSE_SCALE21 42 }; 43 44 struct psmouse { 45 void *private; 46 struct input_dev *dev; 47 struct ps2dev ps2dev; 48 struct delayed_work resync_work; 49 char *vendor; 50 char *name; 51 unsigned char packet[8]; 52 unsigned char badbyte; 53 unsigned char pktcnt; 54 unsigned char pktsize; 55 unsigned char type; 56 bool ignore_parity; 57 bool acks_disable_command; 58 unsigned int model; 59 unsigned long last; 60 unsigned long out_of_sync_cnt; 61 unsigned long num_resyncs; 62 enum psmouse_state state; 63 char devname[64]; 64 char phys[32]; 65 66 unsigned int rate; 67 unsigned int resolution; 68 unsigned int resetafter; 69 unsigned int resync_time; 70 bool smartscroll; /* Logitech only */ 71 72 psmouse_ret_t (*protocol_handler)(struct psmouse *psmouse); 73 void (*set_rate)(struct psmouse *psmouse, unsigned int rate); 74 void (*set_resolution)(struct psmouse *psmouse, unsigned int resolution); 75 void (*set_scale)(struct psmouse *psmouse, enum psmouse_scale scale); 76 77 int (*reconnect)(struct psmouse *psmouse); 78 void (*disconnect)(struct psmouse *psmouse); 79 void (*cleanup)(struct psmouse *psmouse); 80 int (*poll)(struct psmouse *psmouse); 81 82 void (*pt_activate)(struct psmouse *psmouse); 83 void (*pt_deactivate)(struct psmouse *psmouse); 84 }; 85 86 enum psmouse_type { 87 PSMOUSE_NONE, 88 PSMOUSE_PS2, 89 PSMOUSE_PS2PP, 90 PSMOUSE_THINKPS, 91 PSMOUSE_GENPS, 92 PSMOUSE_IMPS, 93 PSMOUSE_IMEX, 94 PSMOUSE_SYNAPTICS, 95 PSMOUSE_ALPS, 96 PSMOUSE_LIFEBOOK, 97 PSMOUSE_TRACKPOINT, 98 PSMOUSE_TOUCHKIT_PS2, 99 PSMOUSE_CORTRON, 100 PSMOUSE_HGPK, 101 PSMOUSE_ELANTECH, 102 PSMOUSE_FSP, 103 PSMOUSE_SYNAPTICS_RELATIVE, 104 PSMOUSE_CYPRESS, 105 PSMOUSE_FOCALTECH, 106 PSMOUSE_VMMOUSE, 107 PSMOUSE_BYD, 108 PSMOUSE_AUTO /* This one should always be last */ 109 }; 110 111 void psmouse_queue_work(struct psmouse *psmouse, struct delayed_work *work, 112 unsigned long delay); 113 int psmouse_sliced_command(struct psmouse *psmouse, unsigned char command); 114 int psmouse_reset(struct psmouse *psmouse); 115 void psmouse_set_state(struct psmouse *psmouse, enum psmouse_state new_state); 116 void psmouse_set_resolution(struct psmouse *psmouse, unsigned int resolution); 117 psmouse_ret_t psmouse_process_byte(struct psmouse *psmouse); 118 int psmouse_activate(struct psmouse *psmouse); 119 int psmouse_deactivate(struct psmouse *psmouse); 120 bool psmouse_matches_pnp_id(struct psmouse *psmouse, const char * const ids[]); 121 122 struct psmouse_attribute { 123 struct device_attribute dattr; 124 void *data; 125 ssize_t (*show)(struct psmouse *psmouse, void *data, char *buf); 126 ssize_t (*set)(struct psmouse *psmouse, void *data, 127 const char *buf, size_t count); 128 bool protect; 129 }; 130 #define to_psmouse_attr(a) container_of((a), struct psmouse_attribute, dattr) 131 132 ssize_t psmouse_attr_show_helper(struct device *dev, struct device_attribute *attr, 133 char *buf); 134 ssize_t psmouse_attr_set_helper(struct device *dev, struct device_attribute *attr, 135 const char *buf, size_t count); 136 137 #define __PSMOUSE_DEFINE_ATTR_VAR(_name, _mode, _data, _show, _set, _protect) \ 138 static struct psmouse_attribute psmouse_attr_##_name = { \ 139 .dattr = { \ 140 .attr = { \ 141 .name = __stringify(_name), \ 142 .mode = _mode, \ 143 }, \ 144 .show = psmouse_attr_show_helper, \ 145 .store = psmouse_attr_set_helper, \ 146 }, \ 147 .data = _data, \ 148 .show = _show, \ 149 .set = _set, \ 150 .protect = _protect, \ 151 } 152 153 #define __PSMOUSE_DEFINE_ATTR(_name, _mode, _data, _show, _set, _protect) \ 154 static ssize_t _show(struct psmouse *, void *, char *); \ 155 static ssize_t _set(struct psmouse *, void *, const char *, size_t); \ 156 __PSMOUSE_DEFINE_ATTR_VAR(_name, _mode, _data, _show, _set, _protect) 157 158 #define PSMOUSE_DEFINE_ATTR(_name, _mode, _data, _show, _set) \ 159 __PSMOUSE_DEFINE_ATTR(_name, _mode, _data, _show, _set, true) 160 161 #define PSMOUSE_DEFINE_RO_ATTR(_name, _mode, _data, _show) \ 162 static ssize_t _show(struct psmouse *, void *, char *); \ 163 __PSMOUSE_DEFINE_ATTR_VAR(_name, _mode, _data, _show, NULL, true) 164 165 #define PSMOUSE_DEFINE_WO_ATTR(_name, _mode, _data, _set) \ 166 static ssize_t _set(struct psmouse *, void *, const char *, size_t); \ 167 __PSMOUSE_DEFINE_ATTR_VAR(_name, _mode, _data, NULL, _set, true) 168 169 #ifndef psmouse_fmt 170 #define psmouse_fmt(fmt) KBUILD_BASENAME ": " fmt 171 #endif 172 173 #define psmouse_dbg(psmouse, format, ...) \ 174 dev_dbg(&(psmouse)->ps2dev.serio->dev, \ 175 psmouse_fmt(format), ##__VA_ARGS__) 176 #define psmouse_info(psmouse, format, ...) \ 177 dev_info(&(psmouse)->ps2dev.serio->dev, \ 178 psmouse_fmt(format), ##__VA_ARGS__) 179 #define psmouse_warn(psmouse, format, ...) \ 180 dev_warn(&(psmouse)->ps2dev.serio->dev, \ 181 psmouse_fmt(format), ##__VA_ARGS__) 182 #define psmouse_err(psmouse, format, ...) \ 183 dev_err(&(psmouse)->ps2dev.serio->dev, \ 184 psmouse_fmt(format), ##__VA_ARGS__) 185 #define psmouse_notice(psmouse, format, ...) \ 186 dev_notice(&(psmouse)->ps2dev.serio->dev, \ 187 psmouse_fmt(format), ##__VA_ARGS__) 188 #define psmouse_printk(level, psmouse, format, ...) \ 189 dev_printk(level, \ 190 &(psmouse)->ps2dev.serio->dev, \ 191 psmouse_fmt(format), ##__VA_ARGS__) 192 193 194 #endif /* _PSMOUSE_H */ 195