1bf21cd93STycho Nightingale /*- 2*4c87aefeSPatrick Mooney * SPDX-License-Identifier: BSD-2-Clause-FreeBSD 3*4c87aefeSPatrick Mooney * 4bf21cd93STycho Nightingale * Copyright (c) 2015 Tycho Nightingale <tycho.nightingale@pluribusnetworks.com> 5bf21cd93STycho Nightingale * Copyright (c) 2015 Nahanni Systems Inc. 6bf21cd93STycho Nightingale * All rights reserved. 7bf21cd93STycho Nightingale * 8bf21cd93STycho Nightingale * Redistribution and use in source and binary forms, with or without 9bf21cd93STycho Nightingale * modification, are permitted provided that the following conditions 10bf21cd93STycho Nightingale * are met: 11bf21cd93STycho Nightingale * 1. Redistributions of source code must retain the above copyright 12bf21cd93STycho Nightingale * notice, this list of conditions and the following disclaimer. 13bf21cd93STycho Nightingale * 2. Redistributions in binary form must reproduce the above copyright 14bf21cd93STycho Nightingale * notice, this list of conditions and the following disclaimer in the 15bf21cd93STycho Nightingale * documentation and/or other materials provided with the distribution. 16bf21cd93STycho Nightingale * 17bf21cd93STycho Nightingale * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND 18bf21cd93STycho Nightingale * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 19bf21cd93STycho Nightingale * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 20bf21cd93STycho Nightingale * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE 21bf21cd93STycho Nightingale * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 22bf21cd93STycho Nightingale * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 23bf21cd93STycho Nightingale * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 24bf21cd93STycho Nightingale * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 25bf21cd93STycho Nightingale * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 26bf21cd93STycho Nightingale * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 27bf21cd93STycho Nightingale * SUCH DAMAGE. 28bf21cd93STycho Nightingale */ 29bf21cd93STycho Nightingale 30bf21cd93STycho Nightingale #include <sys/cdefs.h> 31bf21cd93STycho Nightingale __FBSDID("$FreeBSD$"); 32bf21cd93STycho Nightingale 33bf21cd93STycho Nightingale #include <sys/types.h> 34bf21cd93STycho Nightingale 35bf21cd93STycho Nightingale #include <assert.h> 36bf21cd93STycho Nightingale #include <stdbool.h> 37bf21cd93STycho Nightingale #include <stdio.h> 38bf21cd93STycho Nightingale #include <stdlib.h> 39bf21cd93STycho Nightingale #include <strings.h> 40bf21cd93STycho Nightingale #include <pthread.h> 41bf21cd93STycho Nightingale #include <pthread_np.h> 42bf21cd93STycho Nightingale 43bf21cd93STycho Nightingale #include "atkbdc.h" 44bf21cd93STycho Nightingale #include "console.h" 45bf21cd93STycho Nightingale 46bf21cd93STycho Nightingale /* keyboard device commands */ 47bf21cd93STycho Nightingale #define PS2KC_RESET_DEV 0xff 48bf21cd93STycho Nightingale #define PS2KC_DISABLE 0xf5 49bf21cd93STycho Nightingale #define PS2KC_ENABLE 0xf4 50bf21cd93STycho Nightingale #define PS2KC_SET_TYPEMATIC 0xf3 51bf21cd93STycho Nightingale #define PS2KC_SEND_DEV_ID 0xf2 52bf21cd93STycho Nightingale #define PS2KC_SET_SCANCODE_SET 0xf0 53bf21cd93STycho Nightingale #define PS2KC_ECHO 0xee 54bf21cd93STycho Nightingale #define PS2KC_SET_LEDS 0xed 55bf21cd93STycho Nightingale 56bf21cd93STycho Nightingale #define PS2KC_BAT_SUCCESS 0xaa 57bf21cd93STycho Nightingale #define PS2KC_ACK 0xfa 58bf21cd93STycho Nightingale 59bf21cd93STycho Nightingale #define PS2KBD_FIFOSZ 16 60bf21cd93STycho Nightingale 61bf21cd93STycho Nightingale struct fifo { 62bf21cd93STycho Nightingale uint8_t buf[PS2KBD_FIFOSZ]; 63bf21cd93STycho Nightingale int rindex; /* index to read from */ 64bf21cd93STycho Nightingale int windex; /* index to write to */ 65bf21cd93STycho Nightingale int num; /* number of bytes in the fifo */ 66bf21cd93STycho Nightingale int size; /* size of the fifo */ 67bf21cd93STycho Nightingale }; 68bf21cd93STycho Nightingale 69bf21cd93STycho Nightingale struct ps2kbd_softc { 70bf21cd93STycho Nightingale struct atkbdc_softc *atkbdc_sc; 71bf21cd93STycho Nightingale pthread_mutex_t mtx; 72bf21cd93STycho Nightingale 73bf21cd93STycho Nightingale bool enabled; 74bf21cd93STycho Nightingale struct fifo fifo; 75bf21cd93STycho Nightingale 76bf21cd93STycho Nightingale uint8_t curcmd; /* current command for next byte */ 77bf21cd93STycho Nightingale }; 78bf21cd93STycho Nightingale 79*4c87aefeSPatrick Mooney #define SCANCODE_E0_PREFIX 1 80*4c87aefeSPatrick Mooney struct extended_translation { 81*4c87aefeSPatrick Mooney uint32_t keysym; 82*4c87aefeSPatrick Mooney uint8_t scancode; 83*4c87aefeSPatrick Mooney int flags; 84*4c87aefeSPatrick Mooney }; 85*4c87aefeSPatrick Mooney 86*4c87aefeSPatrick Mooney /* 87*4c87aefeSPatrick Mooney * FIXME: Pause/break and Print Screen/SysRq require special handling. 88*4c87aefeSPatrick Mooney */ 89*4c87aefeSPatrick Mooney static const struct extended_translation extended_translations[] = { 90*4c87aefeSPatrick Mooney {0xff08, 0x66}, /* Back space */ 91*4c87aefeSPatrick Mooney {0xff09, 0x0d}, /* Tab */ 92*4c87aefeSPatrick Mooney {0xff0d, 0x5a}, /* Return */ 93*4c87aefeSPatrick Mooney {0xff1b, 0x76}, /* Escape */ 94*4c87aefeSPatrick Mooney {0xff50, 0x6c, SCANCODE_E0_PREFIX}, /* Home */ 95*4c87aefeSPatrick Mooney {0xff51, 0x6b, SCANCODE_E0_PREFIX}, /* Left arrow */ 96*4c87aefeSPatrick Mooney {0xff52, 0x75, SCANCODE_E0_PREFIX}, /* Up arrow */ 97*4c87aefeSPatrick Mooney {0xff53, 0x74, SCANCODE_E0_PREFIX}, /* Right arrow */ 98*4c87aefeSPatrick Mooney {0xff54, 0x72, SCANCODE_E0_PREFIX}, /* Down arrow */ 99*4c87aefeSPatrick Mooney {0xff55, 0x7d, SCANCODE_E0_PREFIX}, /* PgUp */ 100*4c87aefeSPatrick Mooney {0xff56, 0x7a, SCANCODE_E0_PREFIX}, /* PgDown */ 101*4c87aefeSPatrick Mooney {0xff57, 0x69, SCANCODE_E0_PREFIX}, /* End */ 102*4c87aefeSPatrick Mooney {0xff63, 0x70, SCANCODE_E0_PREFIX}, /* Ins */ 103*4c87aefeSPatrick Mooney {0xff8d, 0x5a, SCANCODE_E0_PREFIX}, /* Keypad Enter */ 104*4c87aefeSPatrick Mooney {0xffe1, 0x12}, /* Left shift */ 105*4c87aefeSPatrick Mooney {0xffe2, 0x59}, /* Right shift */ 106*4c87aefeSPatrick Mooney {0xffe3, 0x14}, /* Left control */ 107*4c87aefeSPatrick Mooney {0xffe4, 0x14, SCANCODE_E0_PREFIX}, /* Right control */ 108*4c87aefeSPatrick Mooney /* {0xffe7, XXX}, Left meta */ 109*4c87aefeSPatrick Mooney /* {0xffe8, XXX}, Right meta */ 110*4c87aefeSPatrick Mooney {0xffe9, 0x11}, /* Left alt */ 111*4c87aefeSPatrick Mooney {0xfe03, 0x11, SCANCODE_E0_PREFIX}, /* AltGr */ 112*4c87aefeSPatrick Mooney {0xffea, 0x11, SCANCODE_E0_PREFIX}, /* Right alt */ 113*4c87aefeSPatrick Mooney {0xffeb, 0x1f, SCANCODE_E0_PREFIX}, /* Left Windows */ 114*4c87aefeSPatrick Mooney {0xffec, 0x27, SCANCODE_E0_PREFIX}, /* Right Windows */ 115*4c87aefeSPatrick Mooney {0xffbe, 0x05}, /* F1 */ 116*4c87aefeSPatrick Mooney {0xffbf, 0x06}, /* F2 */ 117*4c87aefeSPatrick Mooney {0xffc0, 0x04}, /* F3 */ 118*4c87aefeSPatrick Mooney {0xffc1, 0x0c}, /* F4 */ 119*4c87aefeSPatrick Mooney {0xffc2, 0x03}, /* F5 */ 120*4c87aefeSPatrick Mooney {0xffc3, 0x0b}, /* F6 */ 121*4c87aefeSPatrick Mooney {0xffc4, 0x83}, /* F7 */ 122*4c87aefeSPatrick Mooney {0xffc5, 0x0a}, /* F8 */ 123*4c87aefeSPatrick Mooney {0xffc6, 0x01}, /* F9 */ 124*4c87aefeSPatrick Mooney {0xffc7, 0x09}, /* F10 */ 125*4c87aefeSPatrick Mooney {0xffc8, 0x78}, /* F11 */ 126*4c87aefeSPatrick Mooney {0xffc9, 0x07}, /* F12 */ 127*4c87aefeSPatrick Mooney {0xffff, 0x71, SCANCODE_E0_PREFIX}, /* Del */ 128*4c87aefeSPatrick Mooney {0xff14, 0x7e}, /* ScrollLock */ 129*4c87aefeSPatrick Mooney /* NumLock and Keypads*/ 130*4c87aefeSPatrick Mooney {0xff7f, 0x77}, /* NumLock */ 131*4c87aefeSPatrick Mooney {0xffaf, 0x4a, SCANCODE_E0_PREFIX}, /* Keypad slash */ 132*4c87aefeSPatrick Mooney {0xffaa, 0x7c}, /* Keypad asterisk */ 133*4c87aefeSPatrick Mooney {0xffad, 0x7b}, /* Keypad minus */ 134*4c87aefeSPatrick Mooney {0xffab, 0x79}, /* Keypad plus */ 135*4c87aefeSPatrick Mooney {0xffb7, 0x6c}, /* Keypad 7 */ 136*4c87aefeSPatrick Mooney {0xff95, 0x6c}, /* Keypad home */ 137*4c87aefeSPatrick Mooney {0xffb8, 0x75}, /* Keypad 8 */ 138*4c87aefeSPatrick Mooney {0xff97, 0x75}, /* Keypad up arrow */ 139*4c87aefeSPatrick Mooney {0xffb9, 0x7d}, /* Keypad 9 */ 140*4c87aefeSPatrick Mooney {0xff9a, 0x7d}, /* Keypad PgUp */ 141*4c87aefeSPatrick Mooney {0xffb4, 0x6b}, /* Keypad 4 */ 142*4c87aefeSPatrick Mooney {0xff96, 0x6b}, /* Keypad left arrow */ 143*4c87aefeSPatrick Mooney {0xffb5, 0x73}, /* Keypad 5 */ 144*4c87aefeSPatrick Mooney {0xff9d, 0x73}, /* Keypad empty */ 145*4c87aefeSPatrick Mooney {0xffb6, 0x74}, /* Keypad 6 */ 146*4c87aefeSPatrick Mooney {0xff98, 0x74}, /* Keypad right arrow */ 147*4c87aefeSPatrick Mooney {0xffb1, 0x69}, /* Keypad 1 */ 148*4c87aefeSPatrick Mooney {0xff9c, 0x69}, /* Keypad end */ 149*4c87aefeSPatrick Mooney {0xffb2, 0x72}, /* Keypad 2 */ 150*4c87aefeSPatrick Mooney {0xff99, 0x72}, /* Keypad down arrow */ 151*4c87aefeSPatrick Mooney {0xffb3, 0x7a}, /* Keypad 3 */ 152*4c87aefeSPatrick Mooney {0xff9b, 0x7a}, /* Keypad PgDown */ 153*4c87aefeSPatrick Mooney {0xffb0, 0x70}, /* Keypad 0 */ 154*4c87aefeSPatrick Mooney {0xff9e, 0x70}, /* Keypad ins */ 155*4c87aefeSPatrick Mooney {0xffae, 0x71}, /* Keypad . */ 156*4c87aefeSPatrick Mooney {0xff9f, 0x71}, /* Keypad del */ 157*4c87aefeSPatrick Mooney {0, 0, 0} /* Terminator */ 158*4c87aefeSPatrick Mooney }; 159*4c87aefeSPatrick Mooney 160*4c87aefeSPatrick Mooney /* ASCII to type 2 scancode lookup table */ 161*4c87aefeSPatrick Mooney static const uint8_t ascii_translations[128] = { 162*4c87aefeSPatrick Mooney 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 163*4c87aefeSPatrick Mooney 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 164*4c87aefeSPatrick Mooney 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 165*4c87aefeSPatrick Mooney 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 166*4c87aefeSPatrick Mooney 0x29, 0x16, 0x52, 0x26, 0x25, 0x2e, 0x3d, 0x52, 167*4c87aefeSPatrick Mooney 0x46, 0x45, 0x3e, 0x55, 0x41, 0x4e, 0x49, 0x4a, 168*4c87aefeSPatrick Mooney 0x45, 0x16, 0x1e, 0x26, 0x25, 0x2e, 0x36, 0x3d, 169*4c87aefeSPatrick Mooney 0x3e, 0x46, 0x4c, 0x4c, 0x41, 0x55, 0x49, 0x4a, 170*4c87aefeSPatrick Mooney 0x1e, 0x1c, 0x32, 0x21, 0x23, 0x24, 0x2b, 0x34, 171*4c87aefeSPatrick Mooney 0x33, 0x43, 0x3b, 0x42, 0x4b, 0x3a, 0x31, 0x44, 172*4c87aefeSPatrick Mooney 0x4d, 0x15, 0x2d, 0x1b, 0x2c, 0x3c, 0x2a, 0x1d, 173*4c87aefeSPatrick Mooney 0x22, 0x35, 0x1a, 0x54, 0x5d, 0x5b, 0x36, 0x4e, 174*4c87aefeSPatrick Mooney 0x0e, 0x1c, 0x32, 0x21, 0x23, 0x24, 0x2b, 0x34, 175*4c87aefeSPatrick Mooney 0x33, 0x43, 0x3b, 0x42, 0x4b, 0x3a, 0x31, 0x44, 176*4c87aefeSPatrick Mooney 0x4d, 0x15, 0x2d, 0x1b, 0x2c, 0x3c, 0x2a, 0x1d, 177*4c87aefeSPatrick Mooney 0x22, 0x35, 0x1a, 0x54, 0x5d, 0x5b, 0x0e, 0x00, 178*4c87aefeSPatrick Mooney }; 179*4c87aefeSPatrick Mooney 180bf21cd93STycho Nightingale static void 181bf21cd93STycho Nightingale fifo_init(struct ps2kbd_softc *sc) 182bf21cd93STycho Nightingale { 183bf21cd93STycho Nightingale struct fifo *fifo; 184bf21cd93STycho Nightingale 185bf21cd93STycho Nightingale fifo = &sc->fifo; 186bf21cd93STycho Nightingale fifo->size = sizeof(((struct fifo *)0)->buf); 187bf21cd93STycho Nightingale } 188bf21cd93STycho Nightingale 189bf21cd93STycho Nightingale static void 190bf21cd93STycho Nightingale fifo_reset(struct ps2kbd_softc *sc) 191bf21cd93STycho Nightingale { 192bf21cd93STycho Nightingale struct fifo *fifo; 193bf21cd93STycho Nightingale 194bf21cd93STycho Nightingale fifo = &sc->fifo; 195bf21cd93STycho Nightingale bzero(fifo, sizeof(struct fifo)); 196bf21cd93STycho Nightingale fifo->size = sizeof(((struct fifo *)0)->buf); 197bf21cd93STycho Nightingale } 198bf21cd93STycho Nightingale 199bf21cd93STycho Nightingale static void 200bf21cd93STycho Nightingale fifo_put(struct ps2kbd_softc *sc, uint8_t val) 201bf21cd93STycho Nightingale { 202bf21cd93STycho Nightingale struct fifo *fifo; 203bf21cd93STycho Nightingale 204bf21cd93STycho Nightingale fifo = &sc->fifo; 205bf21cd93STycho Nightingale if (fifo->num < fifo->size) { 206bf21cd93STycho Nightingale fifo->buf[fifo->windex] = val; 207bf21cd93STycho Nightingale fifo->windex = (fifo->windex + 1) % fifo->size; 208bf21cd93STycho Nightingale fifo->num++; 209bf21cd93STycho Nightingale } 210bf21cd93STycho Nightingale } 211bf21cd93STycho Nightingale 212bf21cd93STycho Nightingale static int 213bf21cd93STycho Nightingale fifo_get(struct ps2kbd_softc *sc, uint8_t *val) 214bf21cd93STycho Nightingale { 215bf21cd93STycho Nightingale struct fifo *fifo; 216bf21cd93STycho Nightingale 217bf21cd93STycho Nightingale fifo = &sc->fifo; 218bf21cd93STycho Nightingale if (fifo->num > 0) { 219bf21cd93STycho Nightingale *val = fifo->buf[fifo->rindex]; 220bf21cd93STycho Nightingale fifo->rindex = (fifo->rindex + 1) % fifo->size; 221bf21cd93STycho Nightingale fifo->num--; 222bf21cd93STycho Nightingale return (0); 223bf21cd93STycho Nightingale } 224bf21cd93STycho Nightingale 225bf21cd93STycho Nightingale return (-1); 226bf21cd93STycho Nightingale } 227bf21cd93STycho Nightingale 228bf21cd93STycho Nightingale int 229bf21cd93STycho Nightingale ps2kbd_read(struct ps2kbd_softc *sc, uint8_t *val) 230bf21cd93STycho Nightingale { 231bf21cd93STycho Nightingale int retval; 232bf21cd93STycho Nightingale 233bf21cd93STycho Nightingale pthread_mutex_lock(&sc->mtx); 234bf21cd93STycho Nightingale retval = fifo_get(sc, val); 235bf21cd93STycho Nightingale pthread_mutex_unlock(&sc->mtx); 236bf21cd93STycho Nightingale 237bf21cd93STycho Nightingale return (retval); 238bf21cd93STycho Nightingale } 239bf21cd93STycho Nightingale 240bf21cd93STycho Nightingale void 241bf21cd93STycho Nightingale ps2kbd_write(struct ps2kbd_softc *sc, uint8_t val) 242bf21cd93STycho Nightingale { 243bf21cd93STycho Nightingale pthread_mutex_lock(&sc->mtx); 244bf21cd93STycho Nightingale if (sc->curcmd) { 245bf21cd93STycho Nightingale switch (sc->curcmd) { 246bf21cd93STycho Nightingale case PS2KC_SET_TYPEMATIC: 247bf21cd93STycho Nightingale fifo_put(sc, PS2KC_ACK); 248bf21cd93STycho Nightingale break; 249bf21cd93STycho Nightingale case PS2KC_SET_SCANCODE_SET: 250bf21cd93STycho Nightingale fifo_put(sc, PS2KC_ACK); 251bf21cd93STycho Nightingale break; 252bf21cd93STycho Nightingale case PS2KC_SET_LEDS: 253bf21cd93STycho Nightingale fifo_put(sc, PS2KC_ACK); 254bf21cd93STycho Nightingale break; 255bf21cd93STycho Nightingale default: 256bf21cd93STycho Nightingale fprintf(stderr, "Unhandled ps2 keyboard current " 257bf21cd93STycho Nightingale "command byte 0x%02x\n", val); 258bf21cd93STycho Nightingale break; 259bf21cd93STycho Nightingale } 260bf21cd93STycho Nightingale sc->curcmd = 0; 261bf21cd93STycho Nightingale } else { 262bf21cd93STycho Nightingale switch (val) { 263*4c87aefeSPatrick Mooney case 0x00: 264*4c87aefeSPatrick Mooney fifo_put(sc, PS2KC_ACK); 265*4c87aefeSPatrick Mooney break; 266bf21cd93STycho Nightingale case PS2KC_RESET_DEV: 267bf21cd93STycho Nightingale fifo_reset(sc); 268bf21cd93STycho Nightingale fifo_put(sc, PS2KC_ACK); 269bf21cd93STycho Nightingale fifo_put(sc, PS2KC_BAT_SUCCESS); 270bf21cd93STycho Nightingale break; 271bf21cd93STycho Nightingale case PS2KC_DISABLE: 272bf21cd93STycho Nightingale sc->enabled = false; 273bf21cd93STycho Nightingale fifo_put(sc, PS2KC_ACK); 274bf21cd93STycho Nightingale break; 275bf21cd93STycho Nightingale case PS2KC_ENABLE: 276bf21cd93STycho Nightingale sc->enabled = true; 277bf21cd93STycho Nightingale fifo_reset(sc); 278bf21cd93STycho Nightingale fifo_put(sc, PS2KC_ACK); 279bf21cd93STycho Nightingale break; 280bf21cd93STycho Nightingale case PS2KC_SET_TYPEMATIC: 281bf21cd93STycho Nightingale sc->curcmd = val; 282bf21cd93STycho Nightingale fifo_put(sc, PS2KC_ACK); 283bf21cd93STycho Nightingale break; 284bf21cd93STycho Nightingale case PS2KC_SEND_DEV_ID: 285bf21cd93STycho Nightingale fifo_put(sc, PS2KC_ACK); 286bf21cd93STycho Nightingale fifo_put(sc, 0xab); 287bf21cd93STycho Nightingale fifo_put(sc, 0x83); 288bf21cd93STycho Nightingale break; 289bf21cd93STycho Nightingale case PS2KC_SET_SCANCODE_SET: 290bf21cd93STycho Nightingale sc->curcmd = val; 291bf21cd93STycho Nightingale fifo_put(sc, PS2KC_ACK); 292bf21cd93STycho Nightingale break; 293bf21cd93STycho Nightingale case PS2KC_ECHO: 294bf21cd93STycho Nightingale fifo_put(sc, PS2KC_ECHO); 295bf21cd93STycho Nightingale break; 296bf21cd93STycho Nightingale case PS2KC_SET_LEDS: 297bf21cd93STycho Nightingale sc->curcmd = val; 298bf21cd93STycho Nightingale fifo_put(sc, PS2KC_ACK); 299bf21cd93STycho Nightingale break; 300bf21cd93STycho Nightingale default: 301bf21cd93STycho Nightingale fprintf(stderr, "Unhandled ps2 keyboard command " 302bf21cd93STycho Nightingale "0x%02x\n", val); 303bf21cd93STycho Nightingale break; 304bf21cd93STycho Nightingale } 305bf21cd93STycho Nightingale } 306bf21cd93STycho Nightingale pthread_mutex_unlock(&sc->mtx); 307bf21cd93STycho Nightingale } 308bf21cd93STycho Nightingale 309bf21cd93STycho Nightingale /* 310bf21cd93STycho Nightingale * Translate keysym to type 2 scancode and insert into keyboard buffer. 311bf21cd93STycho Nightingale */ 312bf21cd93STycho Nightingale static void 313bf21cd93STycho Nightingale ps2kbd_keysym_queue(struct ps2kbd_softc *sc, 314bf21cd93STycho Nightingale int down, uint32_t keysym) 315bf21cd93STycho Nightingale { 316bf21cd93STycho Nightingale assert(pthread_mutex_isowned_np(&sc->mtx)); 317*4c87aefeSPatrick Mooney int e0_prefix, found; 318*4c87aefeSPatrick Mooney uint8_t code; 319*4c87aefeSPatrick Mooney const struct extended_translation *trans; 320*4c87aefeSPatrick Mooney 321*4c87aefeSPatrick Mooney found = 0; 322*4c87aefeSPatrick Mooney if (keysym < 0x80) { 323*4c87aefeSPatrick Mooney code = ascii_translations[keysym]; 324*4c87aefeSPatrick Mooney e0_prefix = 0; 325*4c87aefeSPatrick Mooney found = 1; 326*4c87aefeSPatrick Mooney } else { 327*4c87aefeSPatrick Mooney for (trans = &(extended_translations[0]); trans->keysym != 0; 328*4c87aefeSPatrick Mooney trans++) { 329*4c87aefeSPatrick Mooney if (keysym == trans->keysym) { 330*4c87aefeSPatrick Mooney code = trans->scancode; 331*4c87aefeSPatrick Mooney e0_prefix = trans->flags & SCANCODE_E0_PREFIX; 332*4c87aefeSPatrick Mooney found = 1; 333*4c87aefeSPatrick Mooney break; 334*4c87aefeSPatrick Mooney } 335*4c87aefeSPatrick Mooney } 336*4c87aefeSPatrick Mooney } 337bf21cd93STycho Nightingale 338*4c87aefeSPatrick Mooney if (!found) { 339*4c87aefeSPatrick Mooney fprintf(stderr, "Unhandled ps2 keyboard keysym 0x%x\n", keysym); 340*4c87aefeSPatrick Mooney return; 341bf21cd93STycho Nightingale } 342*4c87aefeSPatrick Mooney 343*4c87aefeSPatrick Mooney if (e0_prefix) 344*4c87aefeSPatrick Mooney fifo_put(sc, 0xe0); 345*4c87aefeSPatrick Mooney if (!down) 346*4c87aefeSPatrick Mooney fifo_put(sc, 0xf0); 347*4c87aefeSPatrick Mooney fifo_put(sc, code); 348bf21cd93STycho Nightingale } 349bf21cd93STycho Nightingale 350bf21cd93STycho Nightingale static void 351bf21cd93STycho Nightingale ps2kbd_event(int down, uint32_t keysym, void *arg) 352bf21cd93STycho Nightingale { 353bf21cd93STycho Nightingale struct ps2kbd_softc *sc = arg; 354*4c87aefeSPatrick Mooney int fifo_full; 355bf21cd93STycho Nightingale 356bf21cd93STycho Nightingale pthread_mutex_lock(&sc->mtx); 357bf21cd93STycho Nightingale if (!sc->enabled) { 358bf21cd93STycho Nightingale pthread_mutex_unlock(&sc->mtx); 359bf21cd93STycho Nightingale return; 360bf21cd93STycho Nightingale } 361*4c87aefeSPatrick Mooney fifo_full = sc->fifo.num == PS2KBD_FIFOSZ; 362bf21cd93STycho Nightingale ps2kbd_keysym_queue(sc, down, keysym); 363bf21cd93STycho Nightingale pthread_mutex_unlock(&sc->mtx); 364bf21cd93STycho Nightingale 365*4c87aefeSPatrick Mooney if (!fifo_full) 366*4c87aefeSPatrick Mooney atkbdc_event(sc->atkbdc_sc, 1); 367bf21cd93STycho Nightingale } 368bf21cd93STycho Nightingale 369bf21cd93STycho Nightingale struct ps2kbd_softc * 370bf21cd93STycho Nightingale ps2kbd_init(struct atkbdc_softc *atkbdc_sc) 371bf21cd93STycho Nightingale { 372bf21cd93STycho Nightingale struct ps2kbd_softc *sc; 373bf21cd93STycho Nightingale 374bf21cd93STycho Nightingale sc = calloc(1, sizeof (struct ps2kbd_softc)); 375bf21cd93STycho Nightingale pthread_mutex_init(&sc->mtx, NULL); 376bf21cd93STycho Nightingale fifo_init(sc); 377bf21cd93STycho Nightingale sc->atkbdc_sc = atkbdc_sc; 378bf21cd93STycho Nightingale 379*4c87aefeSPatrick Mooney console_kbd_register(ps2kbd_event, sc, 1); 380bf21cd93STycho Nightingale 381bf21cd93STycho Nightingale return (sc); 382bf21cd93STycho Nightingale } 383*4c87aefeSPatrick Mooney 384