1 /*- 2 * Copyright (c) 2016 Oleksandr Tymoshenko <gonzo@FreeBSD.org> 3 * Copyright (c) 2015-2016 Vladimir Kondratyev <wulf@FreeBSD.org> 4 * All rights reserved. 5 * 6 * Redistribution and use in source and binary forms, with or without 7 * modification, are permitted provided that the following conditions 8 * are met: 9 * 1. Redistributions of source code must retain the above copyright 10 * notice, this list of conditions and the following disclaimer. 11 * 2. Redistributions in binary form must reproduce the above copyright 12 * notice, this list of conditions and the following disclaimer in the 13 * documentation and/or other materials provided with the distribution. 14 * 15 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND 16 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 17 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 18 * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE 19 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 20 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 21 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 22 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 23 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 24 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 25 * SUCH DAMAGE. 26 * 27 * $FreeBSD$ 28 */ 29 30 #ifndef _EVDEV_INPUT_H 31 #define _EVDEV_INPUT_H 32 33 #ifndef __KERNEL__ 34 #include <sys/ioccom.h> 35 #include <sys/time.h> 36 #include <sys/types.h> 37 #endif 38 39 #include "input-event-codes.h" 40 41 #define input_event_sec time.tv_sec 42 #define input_event_usec time.tv_usec 43 44 struct input_event { 45 struct timeval time; 46 uint16_t type; 47 uint16_t code; 48 int32_t value; 49 }; 50 51 #define EV_VERSION 0x010001 52 53 struct input_id { 54 uint16_t bustype; 55 uint16_t vendor; 56 uint16_t product; 57 uint16_t version; 58 }; 59 60 struct input_absinfo { 61 int32_t value; 62 int32_t minimum; 63 int32_t maximum; 64 int32_t fuzz; 65 int32_t flat; 66 int32_t resolution; 67 }; 68 69 #define INPUT_KEYMAP_BY_INDEX (1 << 0) 70 71 struct input_keymap_entry { 72 uint8_t flags; 73 uint8_t len; 74 uint16_t index; 75 uint32_t keycode; 76 uint8_t scancode[32]; 77 }; 78 79 #define EVDEV_IOC_MAGIC 'E' 80 #define EVIOCGVERSION _IOR(EVDEV_IOC_MAGIC, 0x01, int) /* get driver version */ 81 #define EVIOCGID _IOR(EVDEV_IOC_MAGIC, 0x02, struct input_id) /* get device ID */ 82 #define EVIOCGREP _IOR(EVDEV_IOC_MAGIC, 0x03, unsigned int[2]) /* get repeat settings */ 83 #define EVIOCSREP _IOW(EVDEV_IOC_MAGIC, 0x03, unsigned int[2]) /* set repeat settings */ 84 85 #define EVIOCGKEYCODE _IOWR(EVDEV_IOC_MAGIC, 0x04, unsigned int[2]) /* get keycode */ 86 #define EVIOCGKEYCODE_V2 _IOWR(EVDEV_IOC_MAGIC, 0x04, struct input_keymap_entry) 87 #define EVIOCSKEYCODE _IOW(EVDEV_IOC_MAGIC, 0x04, unsigned int[2]) /* set keycode */ 88 #define EVIOCSKEYCODE_V2 _IOW(EVDEV_IOC_MAGIC, 0x04, struct input_keymap_entry) 89 90 #define EVIOCGNAME(len) _IOC(IOC_OUT, EVDEV_IOC_MAGIC, 0x06, len) /* get device name */ 91 #define EVIOCGPHYS(len) _IOC(IOC_OUT, EVDEV_IOC_MAGIC, 0x07, len) /* get physical location */ 92 #define EVIOCGUNIQ(len) _IOC(IOC_OUT, EVDEV_IOC_MAGIC, 0x08, len) /* get unique identifier */ 93 #define EVIOCGPROP(len) _IOC(IOC_OUT, EVDEV_IOC_MAGIC, 0x09, len) /* get device properties */ 94 95 #define EVIOCGMTSLOTS(len) _IOC(IOC_INOUT, EVDEV_IOC_MAGIC, 0x0a, len) /* get MT slots values */ 96 97 #define EVIOCGKEY(len) _IOC(IOC_OUT, EVDEV_IOC_MAGIC, 0x18, len) /* get global key state */ 98 #define EVIOCGLED(len) _IOC(IOC_OUT, EVDEV_IOC_MAGIC, 0x19, len) /* get all LEDs */ 99 #define EVIOCGSND(len) _IOC(IOC_OUT, EVDEV_IOC_MAGIC, 0x1a, len) /* get all sounds status */ 100 #define EVIOCGSW(len) _IOC(IOC_OUT, EVDEV_IOC_MAGIC, 0x1b, len) /* get all switch states */ 101 102 #define EVIOCGBIT(ev,len) _IOC(IOC_OUT, EVDEV_IOC_MAGIC, 0x20 + (ev), len) /* get event bits */ 103 #define EVIOCGABS(abs) _IOR(EVDEV_IOC_MAGIC, 0x40 + (abs), struct input_absinfo) /* get abs value/limits */ 104 #define EVIOCSABS(abs) _IOW(EVDEV_IOC_MAGIC, 0xc0 + (abs), struct input_absinfo) /* set abs value/limits */ 105 106 #define EVIOCSFF _IOW(EVDEV_IOC_MAGIC, 0x80, struct ff_effect) /* send a force effect to a force feedback device */ 107 #define EVIOCRMFF _IOWINT(EVDEV_IOC_MAGIC, 0x81) /* Erase a force effect */ 108 #define EVIOCGEFFECTS _IOR(EVDEV_IOC_MAGIC, 0x84, int) /* Report number of effects playable at the same time */ 109 110 #define EVIOCGRAB _IOWINT(EVDEV_IOC_MAGIC, 0x90) /* Grab/Release device */ 111 #define EVIOCREVOKE _IOWINT(EVDEV_IOC_MAGIC, 0x91) /* Revoke device access */ 112 113 #define EVIOCSCLOCKID _IOW(EVDEV_IOC_MAGIC, 0xa0, int) /* Set clockid to be used for timestamps */ 114 115 /* 116 * IDs. 117 */ 118 119 #define ID_BUS 0 120 #define ID_VENDOR 1 121 #define ID_PRODUCT 2 122 #define ID_VERSION 3 123 124 #define BUS_PCI 0x01 125 #define BUS_ISAPNP 0x02 126 #define BUS_USB 0x03 127 #define BUS_HIL 0x04 128 #define BUS_BLUETOOTH 0x05 129 #define BUS_VIRTUAL 0x06 130 131 #define BUS_ISA 0x10 132 #define BUS_I8042 0x11 133 #define BUS_XTKBD 0x12 134 #define BUS_RS232 0x13 135 #define BUS_GAMEPORT 0x14 136 #define BUS_PARPORT 0x15 137 #define BUS_AMIGA 0x16 138 #define BUS_ADB 0x17 139 #define BUS_I2C 0x18 140 #define BUS_HOST 0x19 141 #define BUS_GSC 0x1A 142 #define BUS_ATARI 0x1B 143 #define BUS_SPI 0x1C 144 #define BUS_RMI 0x1D 145 #define BUS_CEC 0x1E 146 #define BUS_INTEL_ISHTP 0x1F 147 148 /* 149 * MT_TOOL types 150 */ 151 #define MT_TOOL_FINGER 0 152 #define MT_TOOL_PEN 1 153 #define MT_TOOL_PALM 2 154 #define MT_TOOL_MAX 2 155 156 /* 157 * Values describing the status of a force-feedback effect 158 */ 159 #define FF_STATUS_STOPPED 0x00 160 #define FF_STATUS_PLAYING 0x01 161 #define FF_STATUS_MAX 0x01 162 163 /* scheduling info for force feedback effect */ 164 struct ff_replay { 165 uint16_t length; /* length of the effect (ms) */ 166 uint16_t delay; /* delay before effect starts (ms) */ 167 }; 168 169 /* trigger for force feedback effect */ 170 struct ff_trigger { 171 uint16_t button; /* trigger button number */ 172 uint16_t interval; /* delay between re-triggers */ 173 }; 174 175 /* force feedback effect envelop */ 176 struct ff_envelope { 177 uint16_t attack_length; /* duration of the attach (ms) */ 178 uint16_t attack_level; /* level at the beginning (0x0000 - 0x7fff) */ 179 uint16_t fade_length; /* duratin of fade (ms) */ 180 uint16_t fade_level; /* level at the end of fade */ 181 }; 182 183 struct ff_constant_effect { 184 int16_t level; 185 struct ff_envelope envelope; 186 }; 187 188 struct ff_ramp_effect { 189 int16_t start_level; 190 int16_t end_level; 191 struct ff_envelope envelope; 192 }; 193 194 struct ff_condition_effect { 195 /* maximum level when joystick moved to respective side */ 196 uint16_t right_saturation; 197 198 uint16_t left_saturation; 199 /* how fast force grows when joystick move to the respective side */ 200 int16_t right_coeff; 201 int16_t left_coeff; 202 203 uint16_t deadband; /* size of dead zone when no force is produced */ 204 int16_t center; /* center of dead zone */ 205 }; 206 207 /* 208 * Force feedback periodic effect types 209 */ 210 211 #define FF_SQUARE 0x58 212 #define FF_TRIANGLE 0x59 213 #define FF_SINE 0x5a 214 #define FF_SAW_UP 0x5b 215 #define FF_SAW_DOWN 0x5c 216 #define FF_CUSTOM 0x5d 217 218 #define FF_WAVEFORM_MIN FF_SQUARE 219 #define FF_WAVEFORM_MAX FF_CUSTOM 220 221 struct ff_periodic_effect { 222 uint16_t waveform; 223 uint16_t period; /* ms */ 224 int16_t magnitude; /* peak */ 225 int16_t offset; /* mean, roughly */ 226 uint16_t phase; /* horizontal shift */ 227 struct ff_envelope envelope; 228 uint32_t custom_len; /* FF_CUSTOM waveform only */ 229 int16_t *custom_data; /* FF_CUSTOM waveform only */ 230 }; 231 232 struct ff_rumble_effect { 233 uint16_t strong_magnitude; /* magnitude of the heavy motor */ 234 uint16_t weak_magnitude; /* magnitude of the light motor */ 235 }; 236 237 /* 238 * Force feedback effect types 239 */ 240 241 #define FF_RUMBLE 0x50 242 #define FF_PERIODIC 0x51 243 #define FF_CONSTANT 0x52 244 #define FF_SPRING 0x53 245 #define FF_FRICTION 0x54 246 #define FF_DAMPER 0x55 247 #define FF_INERTIA 0x56 248 #define FF_RAMP 0x57 249 250 #define FF_EFFECT_MIN FF_RUMBLE 251 #define FF_EFFECT_MAX FF_RAMP 252 253 struct ff_effect { 254 uint16_t type; 255 int16_t id; 256 uint16_t direction; /* [0 .. 360) degrees -> [0 .. 0x10000) */ 257 struct ff_trigger trigger; 258 struct ff_replay replay; 259 260 union { 261 struct ff_constant_effect constant; 262 struct ff_ramp_effect ramp; 263 struct ff_periodic_effect periodic; 264 struct ff_condition_effect condition[2]; /* One for each axis */ 265 struct ff_rumble_effect rumble; 266 } u; 267 }; 268 269 /* 270 * force feedback device properties 271 */ 272 273 #define FF_GAIN 0x60 274 #define FF_AUTOCENTER 0x61 275 276 #define FF_MAX 0x7f 277 #define FF_CNT (FF_MAX+1) 278 279 #endif /* _EVDEV_INPUT_H */ 280