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_AUTO /* This one should always be last */ 107 }; 108 109 void psmouse_queue_work(struct psmouse *psmouse, struct delayed_work *work, 110 unsigned long delay); 111 int psmouse_sliced_command(struct psmouse *psmouse, unsigned char command); 112 int psmouse_reset(struct psmouse *psmouse); 113 void psmouse_set_state(struct psmouse *psmouse, enum psmouse_state new_state); 114 void psmouse_set_resolution(struct psmouse *psmouse, unsigned int resolution); 115 psmouse_ret_t psmouse_process_byte(struct psmouse *psmouse); 116 int psmouse_activate(struct psmouse *psmouse); 117 int psmouse_deactivate(struct psmouse *psmouse); 118 bool psmouse_matches_pnp_id(struct psmouse *psmouse, const char * const ids[]); 119 120 struct psmouse_attribute { 121 struct device_attribute dattr; 122 void *data; 123 ssize_t (*show)(struct psmouse *psmouse, void *data, char *buf); 124 ssize_t (*set)(struct psmouse *psmouse, void *data, 125 const char *buf, size_t count); 126 bool protect; 127 }; 128 #define to_psmouse_attr(a) container_of((a), struct psmouse_attribute, dattr) 129 130 ssize_t psmouse_attr_show_helper(struct device *dev, struct device_attribute *attr, 131 char *buf); 132 ssize_t psmouse_attr_set_helper(struct device *dev, struct device_attribute *attr, 133 const char *buf, size_t count); 134 135 #define __PSMOUSE_DEFINE_ATTR_VAR(_name, _mode, _data, _show, _set, _protect) \ 136 static struct psmouse_attribute psmouse_attr_##_name = { \ 137 .dattr = { \ 138 .attr = { \ 139 .name = __stringify(_name), \ 140 .mode = _mode, \ 141 }, \ 142 .show = psmouse_attr_show_helper, \ 143 .store = psmouse_attr_set_helper, \ 144 }, \ 145 .data = _data, \ 146 .show = _show, \ 147 .set = _set, \ 148 .protect = _protect, \ 149 } 150 151 #define __PSMOUSE_DEFINE_ATTR(_name, _mode, _data, _show, _set, _protect) \ 152 static ssize_t _show(struct psmouse *, void *, char *); \ 153 static ssize_t _set(struct psmouse *, void *, const char *, size_t); \ 154 __PSMOUSE_DEFINE_ATTR_VAR(_name, _mode, _data, _show, _set, _protect) 155 156 #define PSMOUSE_DEFINE_ATTR(_name, _mode, _data, _show, _set) \ 157 __PSMOUSE_DEFINE_ATTR(_name, _mode, _data, _show, _set, true) 158 159 #define PSMOUSE_DEFINE_RO_ATTR(_name, _mode, _data, _show) \ 160 static ssize_t _show(struct psmouse *, void *, char *); \ 161 __PSMOUSE_DEFINE_ATTR_VAR(_name, _mode, _data, _show, NULL, true) 162 163 #define PSMOUSE_DEFINE_WO_ATTR(_name, _mode, _data, _set) \ 164 static ssize_t _set(struct psmouse *, void *, const char *, size_t); \ 165 __PSMOUSE_DEFINE_ATTR_VAR(_name, _mode, _data, NULL, _set, true) 166 167 #ifndef psmouse_fmt 168 #define psmouse_fmt(fmt) KBUILD_BASENAME ": " fmt 169 #endif 170 171 #define psmouse_dbg(psmouse, format, ...) \ 172 dev_dbg(&(psmouse)->ps2dev.serio->dev, \ 173 psmouse_fmt(format), ##__VA_ARGS__) 174 #define psmouse_info(psmouse, format, ...) \ 175 dev_info(&(psmouse)->ps2dev.serio->dev, \ 176 psmouse_fmt(format), ##__VA_ARGS__) 177 #define psmouse_warn(psmouse, format, ...) \ 178 dev_warn(&(psmouse)->ps2dev.serio->dev, \ 179 psmouse_fmt(format), ##__VA_ARGS__) 180 #define psmouse_err(psmouse, format, ...) \ 181 dev_err(&(psmouse)->ps2dev.serio->dev, \ 182 psmouse_fmt(format), ##__VA_ARGS__) 183 #define psmouse_notice(psmouse, format, ...) \ 184 dev_notice(&(psmouse)->ps2dev.serio->dev, \ 185 psmouse_fmt(format), ##__VA_ARGS__) 186 #define psmouse_printk(level, psmouse, format, ...) \ 187 dev_printk(level, \ 188 &(psmouse)->ps2dev.serio->dev, \ 189 psmouse_fmt(format), ##__VA_ARGS__) 190 191 192 #endif /* _PSMOUSE_H */ 193