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); 108 109 struct psmouse_attribute { 110 struct device_attribute dattr; 111 void *data; 112 ssize_t (*show)(struct psmouse *psmouse, void *data, char *buf); 113 ssize_t (*set)(struct psmouse *psmouse, void *data, 114 const char *buf, size_t count); 115 bool protect; 116 }; 117 #define to_psmouse_attr(a) container_of((a), struct psmouse_attribute, dattr) 118 119 ssize_t psmouse_attr_show_helper(struct device *dev, struct device_attribute *attr, 120 char *buf); 121 ssize_t psmouse_attr_set_helper(struct device *dev, struct device_attribute *attr, 122 const char *buf, size_t count); 123 124 #define __PSMOUSE_DEFINE_ATTR_VAR(_name, _mode, _data, _show, _set, _protect) \ 125 static struct psmouse_attribute psmouse_attr_##_name = { \ 126 .dattr = { \ 127 .attr = { \ 128 .name = __stringify(_name), \ 129 .mode = _mode, \ 130 }, \ 131 .show = psmouse_attr_show_helper, \ 132 .store = psmouse_attr_set_helper, \ 133 }, \ 134 .data = _data, \ 135 .show = _show, \ 136 .set = _set, \ 137 .protect = _protect, \ 138 } 139 140 #define __PSMOUSE_DEFINE_ATTR(_name, _mode, _data, _show, _set, _protect) \ 141 static ssize_t _show(struct psmouse *, void *, char *); \ 142 static ssize_t _set(struct psmouse *, void *, const char *, size_t); \ 143 __PSMOUSE_DEFINE_ATTR_VAR(_name, _mode, _data, _show, _set, _protect) 144 145 #define PSMOUSE_DEFINE_ATTR(_name, _mode, _data, _show, _set) \ 146 __PSMOUSE_DEFINE_ATTR(_name, _mode, _data, _show, _set, true) 147 148 #define PSMOUSE_DEFINE_RO_ATTR(_name, _mode, _data, _show) \ 149 static ssize_t _show(struct psmouse *, void *, char *); \ 150 __PSMOUSE_DEFINE_ATTR_VAR(_name, _mode, _data, _show, NULL, true) 151 152 #define PSMOUSE_DEFINE_WO_ATTR(_name, _mode, _data, _set) \ 153 static ssize_t _set(struct psmouse *, void *, const char *, size_t); \ 154 __PSMOUSE_DEFINE_ATTR_VAR(_name, _mode, _data, NULL, _set, true) 155 156 #ifndef psmouse_fmt 157 #define psmouse_fmt(fmt) KBUILD_BASENAME ": " fmt 158 #endif 159 160 #define psmouse_dbg(psmouse, format, ...) \ 161 dev_dbg(&(psmouse)->ps2dev.serio->dev, \ 162 psmouse_fmt(format), ##__VA_ARGS__) 163 #define psmouse_info(psmouse, format, ...) \ 164 dev_info(&(psmouse)->ps2dev.serio->dev, \ 165 psmouse_fmt(format), ##__VA_ARGS__) 166 #define psmouse_warn(psmouse, format, ...) \ 167 dev_warn(&(psmouse)->ps2dev.serio->dev, \ 168 psmouse_fmt(format), ##__VA_ARGS__) 169 #define psmouse_err(psmouse, format, ...) \ 170 dev_err(&(psmouse)->ps2dev.serio->dev, \ 171 psmouse_fmt(format), ##__VA_ARGS__) 172 #define psmouse_notice(psmouse, format, ...) \ 173 dev_notice(&(psmouse)->ps2dev.serio->dev, \ 174 psmouse_fmt(format), ##__VA_ARGS__) 175 #define psmouse_printk(level, psmouse, format, ...) \ 176 dev_printk(level, \ 177 &(psmouse)->ps2dev.serio->dev, \ 178 psmouse_fmt(format), ##__VA_ARGS__) 179 180 181 #endif /* _PSMOUSE_H */ 182