1 /* $NetBSD: hpf1275a_tty.c,v 1.6 2006/03/14 23:03:45 uwe Exp $ */ 2 3 /* 4 * Copyright (c) 2004 Valeriy E. Ushakov 5 * All rights reserved. 6 * 7 * Redistribution and use in source and binary forms, with or without 8 * modification, are permitted provided that the following conditions 9 * are met: 10 * 1. Redistributions of source code must retain the above copyright 11 * notice, this list of conditions and the following disclaimer. 12 * 2. Redistributions in binary form must reproduce the above copyright 13 * notice, this list of conditions and the following disclaimer in the 14 * documentation and/or other materials provided with the distribution. 15 * 3. The name of the author may not be used to endorse or promote products 16 * derived from this software without specific prior written permission 17 * 18 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR 19 * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES 20 * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. 21 * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, 22 * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT 23 * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, 24 * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY 25 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT 26 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF 27 * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. 28 */ 29 30 #include <sys/cdefs.h> 31 __KERNEL_RCSID(0, "$NetBSD: hpf1275a_tty.c,v 1.6 2006/03/14 23:03:45 uwe Exp $"); 32 33 #include "opt_wsdisplay_compat.h" 34 35 #include <sys/param.h> 36 #include <sys/kernel.h> 37 #include <sys/conf.h> 38 #include <sys/device.h> 39 #include <sys/tty.h> 40 #include <sys/fcntl.h> 41 #include <sys/proc.h> /* XXX: for curproc */ 42 #include <sys/systm.h> 43 #ifdef GPROF 44 #include <sys/gmon.h> 45 #endif 46 47 #include <dev/pckbport/wskbdmap_mfii.h> 48 #ifdef WSDISPLAY_COMPAT_RAWKBD 49 #include <dev/hpc/pckbd_encode.h> 50 #endif 51 52 #include <dev/wscons/wsconsio.h> 53 #include <dev/wscons/wskbdvar.h> 54 #include <dev/wscons/wsksymdef.h> 55 #include <dev/wscons/wsksymvar.h> 56 57 58 extern struct cfdriver hpf1275a_cd; 59 60 struct hpf1275a_softc { 61 struct device sc_dev; 62 63 struct tty *sc_tp; /* back reference to the tty */ 64 struct device *sc_wskbd; /* wskbd child */ 65 int sc_enabled; 66 #ifdef WSDISPLAY_COMPAT_RAWKBD 67 int sc_rawkbd; 68 #endif 69 }; 70 71 72 /* pseudo-device initialization */ 73 extern void hpf1275aattach(int); 74 75 /* line discipline methods */ 76 static int hpf1275a_open(dev_t, struct tty *); 77 static int hpf1275a_close(struct tty *, int); 78 static int hpf1275a_input(int, struct tty *); 79 80 /* autoconf(9) methods */ 81 static int hpf1275a_match(struct device *, struct cfdata *, void *); 82 static void hpf1275a_attach(struct device *, struct device *, void *); 83 static int hpf1275a_detach(struct device *, int); 84 85 /* wskbd(4) accessops */ 86 static int hpf1275a_wskbd_enable(void *, int); 87 static void hpf1275a_wskbd_set_leds(void *, int); 88 static int hpf1275a_wskbd_ioctl(void *, u_long, caddr_t, int, 89 struct lwp *); 90 91 92 CFATTACH_DECL(hpf1275a, sizeof(struct hpf1275a_softc), 93 hpf1275a_match, hpf1275a_attach, hpf1275a_detach, NULL); 94 95 96 static struct linesw hpf1275a_disc = { 97 .l_name = "hpf1275a", 98 .l_open = hpf1275a_open, 99 .l_close = hpf1275a_close, 100 .l_read = ttyerrio, 101 .l_write = ttyerrio, 102 .l_ioctl = ttynullioctl, 103 .l_rint = hpf1275a_input, 104 .l_start = ttstart, 105 .l_modem = nullmodem, 106 .l_poll = ttpoll 107 }; 108 109 110 static const struct wskbd_accessops hpf1275a_wskbd_accessops = { 111 hpf1275a_wskbd_enable, 112 hpf1275a_wskbd_set_leds, 113 hpf1275a_wskbd_ioctl 114 }; 115 116 117 static struct wskbd_mapdata hpf1275a_wskbd_keymapdata = { 118 pckbd_keydesctab, KB_US 119 }; 120 121 122 /* F1275A scancodes -> XT scancodes so that we can use pckbd_keydesctab. */ 123 static const uint8_t hpf1275a_to_xtscan[128] = { 124 [0x04] = 30, /* a */ 125 [0x05] = 48, /* b */ 126 [0x06] = 46, /* c */ 127 [0x07] = 32, /* d */ 128 [0x08] = 18, /* e */ 129 [0x09] = 33, /* f */ 130 [0x0a] = 34, /* g */ 131 [0x0b] = 35, /* h */ 132 [0x0c] = 23, /* i */ 133 [0x0d] = 36, /* j */ 134 [0x0e] = 37, /* k */ 135 [0x0f] = 38, /* l */ 136 [0x10] = 50, /* m */ 137 [0x11] = 49, /* n */ 138 [0x12] = 24, /* o */ 139 [0x13] = 25, /* p */ 140 [0x14] = 16, /* q */ 141 [0x15] = 19, /* r */ 142 [0x16] = 31, /* s */ 143 [0x17] = 20, /* t */ 144 [0x18] = 22, /* u */ 145 [0x19] = 47, /* v */ 146 [0x1a] = 17, /* w */ 147 [0x1b] = 45, /* x */ 148 [0x1c] = 21, /* y */ 149 [0x1d] = 44, /* z */ 150 151 [0x1e] = 2, /* 1 */ 152 [0x1f] = 3, /* 2 */ 153 [0x20] = 4, /* 3 */ 154 [0x21] = 5, /* 4 */ 155 [0x22] = 6, /* 5 */ 156 [0x23] = 7, /* 6 */ 157 [0x24] = 8, /* 7 */ 158 [0x25] = 9, /* 8 */ 159 [0x26] = 10, /* 9 */ 160 [0x27] = 11, /* 0 */ 161 162 [0x28] = 28, /* Enter */ 163 164 [0x29] = 1, /* ESC */ 165 [0x2a] = 14, /* Backspace */ 166 [0x2b] = 15, /* Tab */ 167 [0x2c] = 57, /* Space */ 168 169 [0x2d] = 12, /* - */ 170 [0x2e] = 13, /* = */ 171 [0x2f] = 26, /* [ */ 172 [0x30] = 27, /* ] */ 173 [0x31] = 43, /* \ */ 174 175 [0x33] = 39, /* ; */ 176 [0x34] = 40, /* ' */ 177 [0x35] = 41, /* ` */ 178 [0x36] = 51, /* , */ 179 [0x37] = 52, /* . */ 180 [0x38] = 53, /* / */ 181 182 [0x3a] = 59, /* F1 */ 183 [0x3b] = 60, /* F2 */ 184 [0x3c] = 61, /* F3 */ 185 [0x3d] = 62, /* F4 */ 186 [0x3e] = 63, /* F5 */ 187 [0x3f] = 64, /* F6 */ 188 [0x40] = 65, /* F7 */ 189 [0x41] = 66, /* F8 */ 190 191 [0x42] = 68, /* "OK" -> F10 */ 192 [0x43] = 87, /* "Cancel" -> F11 */ 193 194 [0x4c] = 211, /* Del */ 195 196 [0x4f] = 205, /* Right */ 197 [0x50] = 203, /* Left */ 198 [0x51] = 208, /* Down */ 199 [0x52] = 200, /* Up */ 200 201 [0x53] = 67, /* "task switch" -> F9 */ 202 203 [0x65] = 221, /* windows */ 204 [0x66] = 88, /* "keyboard" -> F12 */ 205 206 [0x74] = 42, /* Shift (left) */ 207 [0x75] = 54, /* Shift (right) */ 208 [0x76] = 56, /* Alt (left) */ 209 [0x77] = 184, /* Fn -> AltGr == Mode Switch */ 210 [0x78] = 29, /* Control (left) */ 211 }; 212 213 214 /* 215 * Pseudo-device initialization routine called from main(). 216 */ 217 void 218 hpf1275aattach(int n) 219 { 220 int error; 221 222 error = ttyldisc_attach(&hpf1275a_disc); 223 if (error) { 224 printf("%s: unable to register line discipline, error = %d\n", 225 hpf1275a_cd.cd_name, error); 226 return; 227 } 228 229 error = config_cfattach_attach(hpf1275a_cd.cd_name, &hpf1275a_ca); 230 if (error) { 231 printf("%s: unable to register cfattach, error = %d\n", 232 hpf1275a_cd.cd_name, error); 233 config_cfdriver_detach(&hpf1275a_cd); 234 (void) ttyldisc_detach(&hpf1275a_disc); 235 } 236 } 237 238 239 /* 240 * Autoconf match routine. 241 * 242 * XXX: unused: config_attach_pseudo(9) does not call ca_match. 243 */ 244 static int 245 hpf1275a_match(struct device *self, struct cfdata *cfdata, void *arg) 246 { 247 248 /* pseudo-device; always present */ 249 return (1); 250 } 251 252 253 /* 254 * Autoconf attach routine. Called by config_attach_pseudo(9) when we 255 * open the line discipline. 256 */ 257 static void 258 hpf1275a_attach(struct device *parent, struct device *self, void *aux) 259 { 260 struct hpf1275a_softc *sc = (struct hpf1275a_softc *)self; 261 struct wskbddev_attach_args wska; 262 263 wska.console = 0; 264 wska.keymap = &hpf1275a_wskbd_keymapdata; 265 wska.accessops = &hpf1275a_wskbd_accessops; 266 wska.accesscookie = sc; 267 268 sc->sc_enabled = 0; 269 #ifdef WSDISPLAY_COMPAT_RAWKBD 270 sc->sc_rawkbd = 0; 271 #endif 272 sc->sc_wskbd = config_found(self, &wska, wskbddevprint); 273 } 274 275 276 /* 277 * Autoconf detach routine. Called when we close the line discipline. 278 */ 279 static int 280 hpf1275a_detach(struct device *self, int flags) 281 { 282 struct hpf1275a_softc *sc = (struct hpf1275a_softc *)self; 283 int error; 284 285 if (sc->sc_wskbd == NULL) 286 return (0); 287 288 error = config_detach(sc->sc_wskbd, 0); 289 290 return (error); 291 } 292 293 294 /* 295 * Line discipline open routine. 296 */ 297 int 298 hpf1275a_open(dev_t dev, struct tty *tp) 299 { 300 static struct cfdata hpf1275a_cfdata = { 301 .cf_name = "hpf1275a", 302 .cf_atname = "hpf1275a", 303 .cf_unit = DVUNIT_ANY, 304 .cf_fstate = FSTATE_STAR, 305 }; 306 struct proc *p = curproc; /* XXX */ 307 struct hpf1275a_softc *sc; 308 int error, s; 309 310 if ((error = suser(p->p_ucred, &p->p_acflag)) != 0) 311 return (error); 312 313 s = spltty(); 314 315 sc = (struct hpf1275a_softc *) config_attach_pseudo(&hpf1275a_cfdata); 316 if (sc == NULL) { 317 splx(s); 318 return (EIO); 319 } 320 321 tp->t_sc = sc; 322 sc->sc_tp = tp; 323 324 splx(s); 325 return (0); 326 } 327 328 329 /* 330 * Line discipline close routine. 331 */ 332 int 333 hpf1275a_close(struct tty *tp, int flag) 334 { 335 struct hpf1275a_softc *sc = (struct hpf1275a_softc *)tp->t_sc; 336 int s; 337 338 s = spltty(); 339 ttyflush(tp, FREAD | FWRITE); 340 ttyldisc_release(tp->t_linesw); 341 tp->t_linesw = ttyldisc_default(); 342 if (sc != NULL) { 343 tp->t_sc = NULL; 344 if (sc->sc_tp == tp) 345 config_detach(&sc->sc_dev, 0); 346 } 347 splx(s); 348 return (0); 349 } 350 351 352 /* 353 * Feed input from the keyboard to wskbd(4). 354 */ 355 int 356 hpf1275a_input(int c, struct tty *tp) 357 { 358 struct hpf1275a_softc *sc = (struct hpf1275a_softc *)tp->t_sc; 359 int code; 360 u_int type; 361 int xtscan; 362 363 if (!sc->sc_enabled) 364 return (0); 365 366 if (c & TTY_ERRORMASK) 367 return (0); /* TODO? */ 368 369 code = c & TTY_CHARMASK; 370 if (code & 0x80) { 371 type = WSCONS_EVENT_KEY_UP; 372 code &= ~0x80; 373 } else 374 type = WSCONS_EVENT_KEY_DOWN; 375 376 xtscan = hpf1275a_to_xtscan[code]; 377 if (xtscan == 0) { 378 printf("%s: unknown code 0x%x\n", sc->sc_dev.dv_xname, code); 379 return (0); 380 } 381 382 KASSERT(sc->sc_wskbd != NULL); 383 384 #ifdef WSDISPLAY_COMPAT_RAWKBD 385 if (sc->sc_rawkbd) { 386 u_char data[16]; 387 int n; 388 389 n = pckbd_encode(type, xtscan, data); 390 wskbd_rawinput(sc->sc_wskbd, data, n); 391 } else 392 #endif 393 wskbd_input(sc->sc_wskbd, type, xtscan); 394 395 return (0); 396 } 397 398 399 static int 400 hpf1275a_wskbd_enable(void *self, int on) 401 { 402 struct hpf1275a_softc *sc = (struct hpf1275a_softc *)self; 403 404 sc->sc_enabled = on; 405 return (0); 406 } 407 408 409 /* ARGSUSED */ 410 static void 411 hpf1275a_wskbd_set_leds(void *self, int leds) 412 { 413 414 /* this keyboard has no leds; nothing to do */ 415 return; 416 } 417 418 419 static int 420 hpf1275a_wskbd_ioctl(void *self, u_long cmd, caddr_t data, int flag, 421 struct lwp *l) 422 { 423 #ifdef WSDISPLAY_COMPAT_RAWKBD 424 struct hpf1275a_softc *sc = (struct hpf1275a_softc *)self; 425 #endif 426 427 switch (cmd) { 428 case WSKBDIO_GTYPE: 429 *(int *)data = WSKBD_TYPE_HPC_KBD; /* may be use new type? */ 430 return (0); 431 432 case WSKBDIO_GETLEDS: 433 *(int *)data = 0; /* this keyboard has no leds */ 434 return (0); 435 436 #ifdef WSDISPLAY_COMPAT_RAWKBD 437 case WSKBDIO_SETMODE: 438 sc->sc_rawkbd = (*(int *)data == WSKBD_RAW); 439 return (0); 440 #endif 441 442 default: 443 return (EPASSTHROUGH); 444 } 445 } 446