1 /*- 2 * Copyright (c) 2014 Jakub Wojciech Klama <jceel@FreeBSD.org> 3 * All rights reserved. 4 * 5 * Redistribution and use in source and binary forms, with or without 6 * modification, are permitted provided that the following conditions 7 * are met: 8 * 1. Redistributions of source code must retain the above copyright 9 * notice, this list of conditions and the following disclaimer. 10 * 2. Redistributions in binary form must reproduce the above copyright 11 * notice, this list of conditions and the following disclaimer in the 12 * documentation and/or other materials provided with the distribution. 13 * 14 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND 15 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 16 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 17 * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE 18 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 19 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 20 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 21 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 22 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 23 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 24 * SUCH DAMAGE. 25 * 26 * $FreeBSD$ 27 */ 28 29 #ifndef _DEV_EVDEV_EVDEV_H 30 #define _DEV_EVDEV_EVDEV_H 31 32 #include <sys/types.h> 33 #include <sys/epoch.h> 34 #include <sys/kbio.h> 35 #include <dev/evdev/input.h> 36 #include <dev/kbd/kbdreg.h> 37 38 #define NAMELEN 80 39 40 struct evdev_dev; 41 42 typedef int (evdev_open_t)(struct evdev_dev *); 43 typedef int (evdev_close_t)(struct evdev_dev *); 44 typedef void (evdev_event_t)(struct evdev_dev *, uint16_t, uint16_t, int32_t); 45 typedef void (evdev_keycode_t)(struct evdev_dev *, 46 struct input_keymap_entry *); 47 48 /* 49 * Keyboard and mouse events recipient mask. 50 * evdev_rcpt_mask variable should be respected by keyboard and mouse drivers 51 * that are able to send events through both evdev and sysmouse/kbdmux 52 * interfaces so user can choose preferred one to not receive one event twice. 53 */ 54 #define EVDEV_RCPT_SYSMOUSE (1<<0) 55 #define EVDEV_RCPT_KBDMUX (1<<1) 56 #define EVDEV_RCPT_HW_MOUSE (1<<2) 57 #define EVDEV_RCPT_HW_KBD (1<<3) 58 extern int evdev_rcpt_mask; 59 /* 60 * Sysmouse protocol does not support horizontal wheel movement reporting. 61 * To overcome this limitation different drivers use different sysmouse proto 62 * extensions. Set kern.evdev.sysmouse_t_axis to tell sysmouse evdev driver 63 * which protocol extension is used. 64 * 0 - do not extract horizontal wheel movement (default). 65 * 1 - ums(4) horizontal wheel encoding. T-axis is mapped to buttons 6 and 7 66 * 2 - psm(4) wheels encoding: z = 1,-1 - vert. wheel, z = 2,-2 - horiz. wheel 67 */ 68 enum 69 { 70 EVDEV_SYSMOUSE_T_AXIS_NONE = 0, 71 EVDEV_SYSMOUSE_T_AXIS_UMS = 1, 72 EVDEV_SYSMOUSE_T_AXIS_PSM = 2, 73 }; 74 extern int evdev_sysmouse_t_axis; 75 76 #define ABS_MT_FIRST ABS_MT_TOUCH_MAJOR 77 #define ABS_MT_LAST ABS_MT_TOOL_Y 78 #define ABS_IS_MT(x) ((x) >= ABS_MT_FIRST && (x) <= ABS_MT_LAST) 79 #define ABS_MT_INDEX(x) ((x) - ABS_MT_FIRST) 80 #define MT_CNT (ABS_MT_INDEX(ABS_MT_LAST) + 1) 81 /* Multitouch protocol type A */ 82 #define MAX_MT_REPORTS 5 83 /* Multitouch protocol type B interface */ 84 #define MAX_MT_SLOTS 16 85 86 #define EVDEV_FLAG_SOFTREPEAT 0x00 /* use evdev to repeat keys */ 87 #define EVDEV_FLAG_MT_STCOMPAT 0x01 /* autogenerate ST-compatible events 88 * for MT protocol type B reports */ 89 #define EVDEV_FLAG_MT_AUTOREL 0x02 /* Autorelease MT-slots not listed in 90 * current MT protocol type B report */ 91 #define EVDEV_FLAG_EXT_EPOCH 0x03 /* evdev_push_* is allways called with 92 * input (global) epoch entered */ 93 #define EVDEV_FLAG_MT_KEEPID 0x04 /* Do not reassign tracking ID */ 94 #define EVDEV_FLAG_MT_TRACK 0x05 /* Assign touch to slot by evdev */ 95 #define EVDEV_FLAG_MAX 0x1F 96 #define EVDEV_FLAG_CNT (EVDEV_FLAG_MAX + 1) 97 98 struct evdev_methods 99 { 100 evdev_open_t *ev_open; 101 evdev_close_t *ev_close; 102 evdev_event_t *ev_event; 103 evdev_keycode_t *ev_get_keycode; 104 evdev_keycode_t *ev_set_keycode; 105 }; 106 107 union evdev_mt_slot { 108 int32_t val[MT_CNT]; 109 struct { 110 int32_t maj; /* ABS_MT_TOUCH_MAJOR */ 111 int32_t min; /* ABS_MT_TOUCH_MINOR */ 112 int32_t w_maj; /* ABS_MT_WIDTH_MAJOR */ 113 int32_t w_min; /* ABS_MT_WIDTH_MINOR */ 114 int32_t ori; /* ABS_MT_ORIENTATION */ 115 int32_t x; /* ABS_MT_POSITION_X */ 116 int32_t y; /* ABS_MT_POSITION_Y */ 117 int32_t type; /* ABS_MT_TOOL_TYPE */ 118 int32_t blob_id; /* ABS_MT_BLOB_ID */ 119 int32_t id; /* ABS_MT_TRACKING_ID */ 120 int32_t p; /* ABS_MT_PRESSURE */ 121 int32_t dist; /* ABS_MT_DISTANCE */ 122 int32_t tool_x; /* ABS_MT_TOOL_X */ 123 int32_t tool_y; /* ABS_MT_TOOL_Y */ 124 }; 125 }; 126 _Static_assert(offsetof(union evdev_mt_slot, tool_y) == 127 offsetof(union evdev_mt_slot, val[ABS_MT_INDEX(ABS_MT_TOOL_Y)]), 128 "evdev_mt_slot array members does not match their structure aliases"); 129 130 /* Input device interface: */ 131 struct evdev_dev *evdev_alloc(void); 132 void evdev_free(struct evdev_dev *); 133 void evdev_set_name(struct evdev_dev *, const char *); 134 void evdev_set_id(struct evdev_dev *, uint16_t, uint16_t, uint16_t, uint16_t); 135 void evdev_set_phys(struct evdev_dev *, const char *); 136 void evdev_set_serial(struct evdev_dev *, const char *); 137 void evdev_set_methods(struct evdev_dev *, void *, 138 const struct evdev_methods *); 139 int evdev_register(struct evdev_dev *); 140 int evdev_register_mtx(struct evdev_dev *, struct mtx *); 141 int evdev_unregister(struct evdev_dev *); 142 int evdev_push_event(struct evdev_dev *, uint16_t, uint16_t, int32_t); 143 void evdev_support_prop(struct evdev_dev *, uint16_t); 144 void evdev_support_event(struct evdev_dev *, uint16_t); 145 void evdev_support_key(struct evdev_dev *, uint16_t); 146 void evdev_support_rel(struct evdev_dev *, uint16_t); 147 void evdev_support_abs(struct evdev_dev *, uint16_t, int32_t, int32_t, int32_t, 148 int32_t, int32_t); 149 void evdev_support_msc(struct evdev_dev *, uint16_t); 150 void evdev_support_led(struct evdev_dev *, uint16_t); 151 void evdev_support_snd(struct evdev_dev *, uint16_t); 152 void evdev_support_sw(struct evdev_dev *, uint16_t); 153 void evdev_set_repeat_params(struct evdev_dev *, uint16_t, int); 154 int evdev_set_report_size(struct evdev_dev *, size_t); 155 void evdev_set_flag(struct evdev_dev *, uint16_t); 156 void *evdev_get_softc(struct evdev_dev *); 157 158 /* Multitouch related functions: */ 159 int evdev_mt_id_to_slot(struct evdev_dev *, int32_t); 160 int evdev_mt_push_slot(struct evdev_dev *, int, union evdev_mt_slot *); 161 int evdev_mt_push_frame(struct evdev_dev *, union evdev_mt_slot *, int); 162 void evdev_mt_match_frame(struct evdev_dev *, union evdev_mt_slot *, int); 163 union evdev_mt_slot *evdev_mt_get_match_slots(struct evdev_dev *); 164 void evdev_mt_push_autorel(struct evdev_dev *); 165 166 /* Utility functions: */ 167 uint16_t evdev_hid2key(int); 168 void evdev_support_all_known_keys(struct evdev_dev *); 169 uint16_t evdev_scancode2key(int *, int); 170 void evdev_push_mouse_btn(struct evdev_dev *, int); 171 void evdev_push_leds(struct evdev_dev *, int); 172 void evdev_push_repeats(struct evdev_dev *, keyboard_t *); 173 void evdev_support_nfingers(struct evdev_dev *, int); 174 void evdev_push_nfingers(struct evdev_dev *, int); 175 176 /* Event reporting shortcuts: */ 177 static __inline int 178 evdev_sync(struct evdev_dev *evdev) 179 { 180 181 return (evdev_push_event(evdev, EV_SYN, SYN_REPORT, 1)); 182 } 183 184 static __inline int 185 evdev_mt_sync(struct evdev_dev *evdev) 186 { 187 188 return (evdev_push_event(evdev, EV_SYN, SYN_MT_REPORT, 1)); 189 } 190 191 static __inline int 192 evdev_push_key(struct evdev_dev *evdev, uint16_t code, int32_t value) 193 { 194 195 return (evdev_push_event(evdev, EV_KEY, code, value != 0)); 196 } 197 198 static __inline int 199 evdev_push_rel(struct evdev_dev *evdev, uint16_t code, int32_t value) 200 { 201 202 return (evdev_push_event(evdev, EV_REL, code, value)); 203 } 204 205 static __inline int 206 evdev_push_abs(struct evdev_dev *evdev, uint16_t code, int32_t value) 207 { 208 209 return (evdev_push_event(evdev, EV_ABS, code, value)); 210 } 211 212 static __inline int 213 evdev_push_msc(struct evdev_dev *evdev, uint16_t code, int32_t value) 214 { 215 216 return (evdev_push_event(evdev, EV_MSC, code, value)); 217 } 218 219 static __inline int 220 evdev_push_led(struct evdev_dev *evdev, uint16_t code, int32_t value) 221 { 222 223 return (evdev_push_event(evdev, EV_LED, code, value != 0)); 224 } 225 226 static __inline int 227 evdev_push_snd(struct evdev_dev *evdev, uint16_t code, int32_t value) 228 { 229 230 return (evdev_push_event(evdev, EV_SND, code, value)); 231 } 232 233 static __inline int 234 evdev_push_sw(struct evdev_dev *evdev, uint16_t code, int32_t value) 235 { 236 237 return (evdev_push_event(evdev, EV_SW, code, value != 0)); 238 } 239 240 #endif /* _DEV_EVDEV_EVDEV_H */ 241