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 #include <sys/ioccom.h> 34 #include <sys/time.h> 35 #include <sys/types.h> 36 37 #include "input-event-codes.h" 38 39 #define input_event_sec time.tv_sec 40 #define input_event_usec time.tv_usec 41 42 struct input_event { 43 struct timeval time; 44 uint16_t type; 45 uint16_t code; 46 int32_t value; 47 }; 48 49 #define EV_VERSION 0x010001 50 51 struct input_id { 52 uint16_t bustype; 53 uint16_t vendor; 54 uint16_t product; 55 uint16_t version; 56 }; 57 58 struct input_absinfo { 59 int32_t value; 60 int32_t minimum; 61 int32_t maximum; 62 int32_t fuzz; 63 int32_t flat; 64 int32_t resolution; 65 }; 66 67 #define INPUT_KEYMAP_BY_INDEX (1 << 0) 68 69 struct input_keymap_entry { 70 uint8_t flags; 71 uint8_t len; 72 uint16_t index; 73 uint32_t keycode; 74 uint8_t scancode[32]; 75 }; 76 77 #define EVDEV_IOC_MAGIC 'E' 78 #define EVIOCGVERSION _IOR(EVDEV_IOC_MAGIC, 0x01, int) /* get driver version */ 79 #define EVIOCGID _IOR(EVDEV_IOC_MAGIC, 0x02, struct input_id) /* get device ID */ 80 #define EVIOCGREP _IOR(EVDEV_IOC_MAGIC, 0x03, unsigned int[2]) /* get repeat settings */ 81 #define EVIOCSREP _IOW(EVDEV_IOC_MAGIC, 0x03, unsigned int[2]) /* set repeat settings */ 82 83 #define EVIOCGKEYCODE _IOWR(EVDEV_IOC_MAGIC, 0x04, unsigned int[2]) /* get keycode */ 84 #define EVIOCGKEYCODE_V2 _IOWR(EVDEV_IOC_MAGIC, 0x04, struct input_keymap_entry) 85 #define EVIOCSKEYCODE _IOW(EVDEV_IOC_MAGIC, 0x04, unsigned int[2]) /* set keycode */ 86 #define EVIOCSKEYCODE_V2 _IOW(EVDEV_IOC_MAGIC, 0x04, struct input_keymap_entry) 87 88 #define EVIOCGNAME(len) _IOC(IOC_OUT, EVDEV_IOC_MAGIC, 0x06, len) /* get device name */ 89 #define EVIOCGPHYS(len) _IOC(IOC_OUT, EVDEV_IOC_MAGIC, 0x07, len) /* get physical location */ 90 #define EVIOCGUNIQ(len) _IOC(IOC_OUT, EVDEV_IOC_MAGIC, 0x08, len) /* get unique identifier */ 91 #define EVIOCGPROP(len) _IOC(IOC_OUT, EVDEV_IOC_MAGIC, 0x09, len) /* get device properties */ 92 93 #define EVIOCGMTSLOTS(len) _IOC(IOC_INOUT, EVDEV_IOC_MAGIC, 0x0a, len) /* get MT slots values */ 94 95 #define EVIOCGKEY(len) _IOC(IOC_OUT, EVDEV_IOC_MAGIC, 0x18, len) /* get global key state */ 96 #define EVIOCGLED(len) _IOC(IOC_OUT, EVDEV_IOC_MAGIC, 0x19, len) /* get all LEDs */ 97 #define EVIOCGSND(len) _IOC(IOC_OUT, EVDEV_IOC_MAGIC, 0x1a, len) /* get all sounds status */ 98 #define EVIOCGSW(len) _IOC(IOC_OUT, EVDEV_IOC_MAGIC, 0x1b, len) /* get all switch states */ 99 100 #define EVIOCGBIT(ev,len) _IOC(IOC_OUT, EVDEV_IOC_MAGIC, 0x20 + (ev), len) /* get event bits */ 101 #define EVIOCGABS(abs) _IOR(EVDEV_IOC_MAGIC, 0x40 + (abs), struct input_absinfo) /* get abs value/limits */ 102 #define EVIOCSABS(abs) _IOW(EVDEV_IOC_MAGIC, 0xc0 + (abs), struct input_absinfo) /* set abs value/limits */ 103 104 #define EVIOCSFF _IOW(EVDEV_IOC_MAGIC, 0x80, struct ff_effect) /* send a force effect to a force feedback device */ 105 #define EVIOCRMFF _IOWINT(EVDEV_IOC_MAGIC, 0x81) /* Erase a force effect */ 106 #define EVIOCGEFFECTS _IOR(EVDEV_IOC_MAGIC, 0x84, int) /* Report number of effects playable at the same time */ 107 108 #define EVIOCGRAB _IOWINT(EVDEV_IOC_MAGIC, 0x90) /* Grab/Release device */ 109 #define EVIOCREVOKE _IOWINT(EVDEV_IOC_MAGIC, 0x91) /* Revoke device access */ 110 111 #define EVIOCSCLOCKID _IOW(EVDEV_IOC_MAGIC, 0xa0, int) /* Set clockid to be used for timestamps */ 112 113 /* 114 * IDs. 115 */ 116 117 #define ID_BUS 0 118 #define ID_VENDOR 1 119 #define ID_PRODUCT 2 120 #define ID_VERSION 3 121 122 #define BUS_PCI 0x01 123 #define BUS_ISAPNP 0x02 124 #define BUS_USB 0x03 125 #define BUS_HIL 0x04 126 #define BUS_BLUETOOTH 0x05 127 #define BUS_VIRTUAL 0x06 128 129 #define BUS_ISA 0x10 130 #define BUS_I8042 0x11 131 #define BUS_XTKBD 0x12 132 #define BUS_RS232 0x13 133 #define BUS_GAMEPORT 0x14 134 #define BUS_PARPORT 0x15 135 #define BUS_AMIGA 0x16 136 #define BUS_ADB 0x17 137 #define BUS_I2C 0x18 138 #define BUS_HOST 0x19 139 #define BUS_GSC 0x1A 140 #define BUS_ATARI 0x1B 141 #define BUS_SPI 0x1C 142 #define BUS_RMI 0x1D 143 #define BUS_CEC 0x1E 144 #define BUS_INTEL_ISHTP 0x1F 145 146 /* 147 * MT_TOOL types 148 */ 149 #define MT_TOOL_FINGER 0x00 150 #define MT_TOOL_PEN 0x01 151 #define MT_TOOL_PALM 0x02 152 #define MT_TOOL_DIAL 0x0a 153 #define MT_TOOL_MAX 0x0f 154 155 /* 156 * Values describing the status of a force-feedback effect 157 */ 158 #define FF_STATUS_STOPPED 0x00 159 #define FF_STATUS_PLAYING 0x01 160 #define FF_STATUS_MAX 0x01 161 162 /* scheduling info for force feedback effect */ 163 struct ff_replay { 164 uint16_t length; /* length of the effect (ms) */ 165 uint16_t delay; /* delay before effect starts (ms) */ 166 }; 167 168 /* trigger for force feedback effect */ 169 struct ff_trigger { 170 uint16_t button; /* trigger button number */ 171 uint16_t interval; /* delay between re-triggers */ 172 }; 173 174 /* force feedback effect envelop */ 175 struct ff_envelope { 176 uint16_t attack_length; /* duration of the attach (ms) */ 177 uint16_t attack_level; /* level at the beginning (0x0000 - 0x7fff) */ 178 uint16_t fade_length; /* duratin of fade (ms) */ 179 uint16_t fade_level; /* level at the end of fade */ 180 }; 181 182 struct ff_constant_effect { 183 int16_t level; 184 struct ff_envelope envelope; 185 }; 186 187 struct ff_ramp_effect { 188 int16_t start_level; 189 int16_t end_level; 190 struct ff_envelope envelope; 191 }; 192 193 struct ff_condition_effect { 194 /* maximum level when joystick moved to respective side */ 195 uint16_t right_saturation; 196 197 uint16_t left_saturation; 198 /* how fast force grows when joystick move to the respective side */ 199 int16_t right_coeff; 200 int16_t left_coeff; 201 202 uint16_t deadband; /* size of dead zone when no force is produced */ 203 int16_t center; /* center of dead zone */ 204 }; 205 206 /* 207 * Force feedback periodic effect types 208 */ 209 210 #define FF_SQUARE 0x58 211 #define FF_TRIANGLE 0x59 212 #define FF_SINE 0x5a 213 #define FF_SAW_UP 0x5b 214 #define FF_SAW_DOWN 0x5c 215 #define FF_CUSTOM 0x5d 216 217 #define FF_WAVEFORM_MIN FF_SQUARE 218 #define FF_WAVEFORM_MAX FF_CUSTOM 219 220 struct ff_periodic_effect { 221 uint16_t waveform; 222 uint16_t period; /* ms */ 223 int16_t magnitude; /* peak */ 224 int16_t offset; /* mean, roughly */ 225 uint16_t phase; /* horizontal shift */ 226 struct ff_envelope envelope; 227 uint32_t custom_len; /* FF_CUSTOM waveform only */ 228 int16_t *custom_data; /* FF_CUSTOM waveform only */ 229 }; 230 231 struct ff_rumble_effect { 232 uint16_t strong_magnitude; /* magnitude of the heavy motor */ 233 uint16_t weak_magnitude; /* magnitude of the light motor */ 234 }; 235 236 /* 237 * Force feedback effect types 238 */ 239 240 #define FF_RUMBLE 0x50 241 #define FF_PERIODIC 0x51 242 #define FF_CONSTANT 0x52 243 #define FF_SPRING 0x53 244 #define FF_FRICTION 0x54 245 #define FF_DAMPER 0x55 246 #define FF_INERTIA 0x56 247 #define FF_RAMP 0x57 248 249 #define FF_EFFECT_MIN FF_RUMBLE 250 #define FF_EFFECT_MAX FF_RAMP 251 252 struct ff_effect { 253 uint16_t type; 254 int16_t id; 255 uint16_t direction; /* [0 .. 360) degrees -> [0 .. 0x10000) */ 256 struct ff_trigger trigger; 257 struct ff_replay replay; 258 259 union { 260 struct ff_constant_effect constant; 261 struct ff_ramp_effect ramp; 262 struct ff_periodic_effect periodic; 263 struct ff_condition_effect condition[2]; /* One for each axis */ 264 struct ff_rumble_effect rumble; 265 } u; 266 }; 267 268 /* 269 * force feedback device properties 270 */ 271 272 #define FF_GAIN 0x60 273 #define FF_AUTOCENTER 0x61 274 275 #define FF_MAX 0x7f 276 #define FF_CNT (FF_MAX+1) 277 278 #endif /* _EVDEV_INPUT_H */ 279