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_GETID 0x02f2 12 #define PSMOUSE_CMD_SETRATE 0x10f3 13 #define PSMOUSE_CMD_ENABLE 0x00f4 14 #define PSMOUSE_CMD_DISABLE 0x00f5 15 #define PSMOUSE_CMD_RESET_DIS 0x00f6 16 #define PSMOUSE_CMD_RESET_BAT 0x02ff 17 18 #define PSMOUSE_RET_BAT 0xaa 19 #define PSMOUSE_RET_ID 0x00 20 #define PSMOUSE_RET_ACK 0xfa 21 #define PSMOUSE_RET_NAK 0xfe 22 23 enum psmouse_state { 24 PSMOUSE_IGNORE, 25 PSMOUSE_INITIALIZING, 26 PSMOUSE_RESYNCING, 27 PSMOUSE_CMD_MODE, 28 PSMOUSE_ACTIVATED, 29 }; 30 31 /* psmouse protocol handler return codes */ 32 typedef enum { 33 PSMOUSE_BAD_DATA, 34 PSMOUSE_GOOD_DATA, 35 PSMOUSE_FULL_PACKET 36 } psmouse_ret_t; 37 38 struct psmouse { 39 void *private; 40 struct input_dev *dev; 41 struct ps2dev ps2dev; 42 struct delayed_work resync_work; 43 char *vendor; 44 char *name; 45 unsigned char packet[8]; 46 unsigned char badbyte; 47 unsigned char pktcnt; 48 unsigned char pktsize; 49 unsigned char type; 50 bool acks_disable_command; 51 unsigned int model; 52 unsigned long last; 53 unsigned long out_of_sync_cnt; 54 unsigned long num_resyncs; 55 enum psmouse_state state; 56 char devname[64]; 57 char phys[32]; 58 59 unsigned int rate; 60 unsigned int resolution; 61 unsigned int resetafter; 62 unsigned int resync_time; 63 bool smartscroll; /* Logitech only */ 64 65 psmouse_ret_t (*protocol_handler)(struct psmouse *psmouse); 66 void (*set_rate)(struct psmouse *psmouse, unsigned int rate); 67 void (*set_resolution)(struct psmouse *psmouse, unsigned int resolution); 68 69 int (*reconnect)(struct psmouse *psmouse); 70 void (*disconnect)(struct psmouse *psmouse); 71 void (*cleanup)(struct psmouse *psmouse); 72 int (*poll)(struct psmouse *psmouse); 73 74 void (*pt_activate)(struct psmouse *psmouse); 75 void (*pt_deactivate)(struct psmouse *psmouse); 76 }; 77 78 enum psmouse_type { 79 PSMOUSE_NONE, 80 PSMOUSE_PS2, 81 PSMOUSE_PS2PP, 82 PSMOUSE_THINKPS, 83 PSMOUSE_GENPS, 84 PSMOUSE_IMPS, 85 PSMOUSE_IMEX, 86 PSMOUSE_SYNAPTICS, 87 PSMOUSE_ALPS, 88 PSMOUSE_LIFEBOOK, 89 PSMOUSE_TRACKPOINT, 90 PSMOUSE_TOUCHKIT_PS2, 91 PSMOUSE_CORTRON, 92 PSMOUSE_HGPK, 93 PSMOUSE_ELANTECH, 94 PSMOUSE_FSP, 95 PSMOUSE_AUTO /* This one should always be last */ 96 }; 97 98 void psmouse_queue_work(struct psmouse *psmouse, struct delayed_work *work, 99 unsigned long delay); 100 int psmouse_sliced_command(struct psmouse *psmouse, unsigned char command); 101 int psmouse_reset(struct psmouse *psmouse); 102 void psmouse_set_state(struct psmouse *psmouse, enum psmouse_state new_state); 103 void psmouse_set_resolution(struct psmouse *psmouse, unsigned int resolution); 104 105 struct psmouse_attribute { 106 struct device_attribute dattr; 107 void *data; 108 ssize_t (*show)(struct psmouse *psmouse, void *data, char *buf); 109 ssize_t (*set)(struct psmouse *psmouse, void *data, 110 const char *buf, size_t count); 111 bool protect; 112 }; 113 #define to_psmouse_attr(a) container_of((a), struct psmouse_attribute, dattr) 114 115 ssize_t psmouse_attr_show_helper(struct device *dev, struct device_attribute *attr, 116 char *buf); 117 ssize_t psmouse_attr_set_helper(struct device *dev, struct device_attribute *attr, 118 const char *buf, size_t count); 119 120 #define __PSMOUSE_DEFINE_ATTR_VAR(_name, _mode, _data, _show, _set, _protect) \ 121 static struct psmouse_attribute psmouse_attr_##_name = { \ 122 .dattr = { \ 123 .attr = { \ 124 .name = __stringify(_name), \ 125 .mode = _mode, \ 126 }, \ 127 .show = psmouse_attr_show_helper, \ 128 .store = psmouse_attr_set_helper, \ 129 }, \ 130 .data = _data, \ 131 .show = _show, \ 132 .set = _set, \ 133 .protect = _protect, \ 134 } 135 136 #define __PSMOUSE_DEFINE_ATTR(_name, _mode, _data, _show, _set, _protect) \ 137 static ssize_t _show(struct psmouse *, void *, char *); \ 138 static ssize_t _set(struct psmouse *, void *, const char *, size_t); \ 139 __PSMOUSE_DEFINE_ATTR_VAR(_name, _mode, _data, _show, _set, _protect) 140 141 #define PSMOUSE_DEFINE_ATTR(_name, _mode, _data, _show, _set) \ 142 __PSMOUSE_DEFINE_ATTR(_name, _mode, _data, _show, _set, true) 143 144 #define PSMOUSE_DEFINE_RO_ATTR(_name, _mode, _data, _show) \ 145 static ssize_t _show(struct psmouse *, void *, char *); \ 146 __PSMOUSE_DEFINE_ATTR_VAR(_name, _mode, _data, _show, NULL, true) 147 148 #define PSMOUSE_DEFINE_WO_ATTR(_name, _mode, _data, _set) \ 149 static ssize_t _set(struct psmouse *, void *, const char *, size_t); \ 150 __PSMOUSE_DEFINE_ATTR_VAR(_name, _mode, _data, NULL, _set, true) 151 152 #endif /* _PSMOUSE_H */ 153