1 /* $NetBSD: nextkbd.c,v 1.4 2002/03/17 19:40:47 atatat Exp $ */ 2 /* 3 * Copyright (c) 1998 Matt DeBergalis 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 * 3. All advertising materials mentioning features or use of this software 15 * must display the following acknowledgement: 16 * This product includes software developed by Matt DeBergalis 17 * 4. The name of the author may not be used to endorse or promote products 18 * derived from this software without specific prior written permission 19 * 20 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR 21 * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES 22 * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. 23 * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, 24 * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT 25 * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, 26 * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY 27 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT 28 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF 29 * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. 30 */ 31 32 #include <sys/cdefs.h> /* RCS ID & Copyright macro defns */ 33 34 #include <sys/param.h> 35 #include <sys/systm.h> 36 #include <sys/kernel.h> 37 #include <sys/proc.h> 38 #include <sys/device.h> 39 #include <sys/malloc.h> 40 #include <sys/errno.h> 41 #include <sys/queue.h> 42 #include <sys/lock.h> 43 44 #include <machine/autoconf.h> 45 #include <machine/cpu.h> 46 #include <machine/intr.h> 47 #include <machine/bus.h> 48 49 #include <next68k/dev/nextkbdvar.h> 50 #include <next68k/dev/wskbdmap_next.h> 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 #include <next68k/next68k/isr.h> 58 59 struct nextkbd_internal { 60 int num_ints; /* interrupt total */ 61 int polling; 62 int isconsole; 63 64 bus_space_tag_t iot; 65 bus_space_handle_t ioh; 66 struct nextkbd_softc *t_sc; /* back pointer */ 67 u_int32_t mods; 68 }; 69 70 struct mon_regs { 71 u_int32_t mon_csr; 72 u_int32_t mon_1; 73 u_int32_t mon_data; 74 }; 75 76 int nextkbd_match __P((struct device *, struct cfdata *, void *)); 77 void nextkbd_attach __P((struct device *, struct device *, void *)); 78 79 int nextkbc_cnattach __P((bus_space_tag_t)); 80 81 struct cfattach nextkbd_ca = { 82 sizeof(struct nextkbd_softc), nextkbd_match, nextkbd_attach 83 }; 84 85 int nextkbd_enable __P((void *, int)); 86 void nextkbd_set_leds __P((void *, int)); 87 int nextkbd_ioctl __P((void *, u_long, caddr_t, int, struct proc *)); 88 89 const struct wskbd_accessops nextkbd_accessops = { 90 nextkbd_enable, 91 nextkbd_set_leds, 92 nextkbd_ioctl, 93 }; 94 95 void nextkbd_cngetc __P((void *, u_int *, int *)); 96 void nextkbd_cnpollc __P((void *, int)); 97 98 const struct wskbd_consops nextkbd_consops = { 99 nextkbd_cngetc, 100 nextkbd_cnpollc, 101 }; 102 103 const struct wskbd_mapdata nextkbd_keymapdata = { 104 nextkbd_keydesctab, 105 KB_US, 106 }; 107 108 static int nextkbd_read_data __P((struct nextkbd_internal *)); 109 static int nextkbd_decode __P((struct nextkbd_internal *, int, u_int *, int *)); 110 111 static struct nextkbd_internal nextkbd_consdata; 112 static int nextkbd_is_console __P((bus_space_tag_t bst)); 113 114 int nextkbdhard __P((void *)); 115 116 static int 117 nextkbd_is_console(bst) 118 bus_space_tag_t bst; 119 { 120 return (nextkbd_consdata.isconsole 121 && (bst == nextkbd_consdata.iot)); 122 } 123 124 int 125 nextkbd_match(parent, match, aux) 126 struct device *parent; 127 struct cfdata *match; 128 void *aux; 129 { 130 return 1; 131 } 132 133 void 134 nextkbd_attach(parent, self, aux) 135 struct device *parent, *self; 136 void *aux; 137 { 138 struct nextkbd_softc *sc = (struct nextkbd_softc *)self; 139 int isconsole; 140 struct wskbddev_attach_args a; 141 142 printf("\n"); 143 144 isconsole = nextkbd_is_console(NEXT68K_INTIO_BUS_SPACE); /* XXX */ 145 146 if (isconsole) { 147 sc->id = &nextkbd_consdata; 148 } else { 149 sc->id = malloc(sizeof(struct nextkbd_internal), 150 M_DEVBUF, M_WAITOK); 151 152 memset(sc->id, 0, sizeof(struct nextkbd_internal)); 153 sc->id->iot = NEXT68K_INTIO_BUS_SPACE; 154 if (bus_space_map(sc->id->iot, NEXT_P_MON, 155 sizeof(struct mon_regs), 156 0, &sc->id->ioh)) { 157 printf("%s: can't map mon status control register\n", 158 sc->sc_dev.dv_xname); 159 return; 160 } 161 } 162 163 sc->id->t_sc = sc; /* set back pointer */ 164 165 isrlink_autovec(nextkbdhard, sc, NEXT_I_IPL(NEXT_I_KYBD_MOUSE), 0); 166 167 INTR_ENABLE(NEXT_I_KYBD_MOUSE); 168 169 a.console = isconsole; 170 a.keymap = &nextkbd_keymapdata; 171 a.accessops = &nextkbd_accessops; 172 a.accesscookie = sc; 173 174 /* 175 * Attach the wskbd, saving a handle to it. 176 * XXX XXX XXX 177 */ 178 sc->sc_wskbddev = config_found(self, &a, wskbddevprint); 179 } 180 181 int 182 nextkbd_enable(v, on) 183 void *v; 184 int on; 185 { 186 /* XXX not sure if this should do anything */ 187 /* printf("nextkbd_enable %d\n", on); */ 188 return 0; 189 } 190 191 /* XXX not yet implemented */ 192 void 193 nextkbd_set_leds(v, leds) 194 void *v; 195 int leds; 196 { 197 return; 198 } 199 200 int 201 nextkbd_ioctl(v, cmd, data, flag, p) 202 void *v; 203 u_long cmd; 204 caddr_t data; 205 int flag; 206 struct proc *p; 207 { 208 /* XXX struct nextkbd_softc *nc = v; */ 209 210 switch (cmd) { 211 case WSKBDIO_GTYPE: 212 /* XXX */ 213 *(int *)data = WSKBD_TYPE_NEXT; 214 return (0); 215 case WSKBDIO_SETLEDS: 216 return (0); 217 case WSKBDIO_GETLEDS: 218 *(int *)data = 0; 219 return (0); 220 case WSKBDIO_COMPLEXBELL: 221 return (0); 222 } 223 return EPASSTHROUGH; 224 } 225 226 int 227 nextkbdhard(arg) 228 void *arg; 229 { 230 register struct nextkbd_softc *sc = arg; 231 int type, key, val; 232 233 if (!INTR_OCCURRED(NEXT_I_KYBD_MOUSE)) return 0; 234 235 #define CSR_INT 0x00800000 236 #define CSR_DATA 0x00400000 237 238 #define KD_KEYMASK 0x007f 239 #define KD_DIRECTION 0x0080 /* pressed or released */ 240 #define KD_CNTL 0x0100 241 #define KD_LSHIFT 0x0200 242 #define KD_RSHIFT 0x0400 243 #define KD_LCOMM 0x0800 244 #define KD_RCOMM 0x1000 245 #define KD_LALT 0x2000 246 #define KD_RALT 0x4000 247 #define KD_VALID 0x8000 /* only set for scancode keys ? */ 248 #define KD_MODS 0x4f00 249 250 val = nextkbd_read_data(sc->id); 251 if ((val != -1) && nextkbd_decode(sc->id, val, &type, &key)) { 252 wskbd_input(sc->sc_wskbddev, type, key); 253 } 254 return(1); 255 } 256 257 int 258 nextkbd_cnattach(bst) 259 bus_space_tag_t bst; 260 { 261 bus_space_handle_t bsh; 262 263 if (bus_space_map(bst, NEXT_P_MON, sizeof(struct mon_regs), 264 0, &bsh)) 265 return (ENXIO); 266 267 memset(&nextkbd_consdata, 0, sizeof(nextkbd_consdata)); 268 269 nextkbd_consdata.iot = bst; 270 nextkbd_consdata.ioh = bsh; 271 nextkbd_consdata.isconsole = 1; 272 273 wskbd_cnattach(&nextkbd_consops, &nextkbd_consdata, 274 &nextkbd_keymapdata); 275 276 return (0); 277 } 278 279 void 280 nextkbd_cngetc(v, type, data) 281 void *v; 282 u_int *type; 283 int *data; 284 { 285 struct nextkbd_internal *t = v; 286 int val; 287 288 for (;;) { 289 if (INTR_OCCURRED(NEXT_I_KYBD_MOUSE)) { 290 val = nextkbd_read_data(t); 291 if ((val != -1) && nextkbd_decode(t, val, type, data)) 292 return; 293 } 294 } 295 } 296 297 void 298 nextkbd_cnpollc(v, on) 299 void *v; 300 int on; 301 { 302 struct nextkbd_internal *t = v; 303 304 t->polling = on; 305 if (on) { 306 INTR_DISABLE(NEXT_I_KYBD_MOUSE); 307 } else { 308 INTR_ENABLE(NEXT_I_KYBD_MOUSE); 309 } 310 311 } 312 313 static int 314 nextkbd_read_data(struct nextkbd_internal *id) 315 { 316 unsigned char device; 317 struct mon_regs stat; 318 319 bus_space_read_region_4(id->iot, id->ioh, 0, &stat, 3); 320 if ((stat.mon_csr & CSR_INT) && (stat.mon_csr & CSR_DATA)) { 321 stat.mon_csr &= ~CSR_INT; 322 id->num_ints++; 323 bus_space_write_4(id->iot, id->ioh, 0, stat.mon_csr); 324 device = stat.mon_data >> 28; 325 if (device != 1) return (-1); /* XXX: mouse */ 326 return (stat.mon_data & 0xffff); 327 } 328 return (-1); 329 } 330 331 static int 332 nextkbd_decode(id, datain, type, dataout) 333 struct nextkbd_internal *id; 334 int datain; 335 u_int *type; 336 int *dataout; 337 { 338 /* printf("datain %08x mods %08x\n", datain, id->mods); */ 339 340 if ((datain ^ id->mods) & KD_LSHIFT) { 341 id->mods ^= KD_LSHIFT; 342 *dataout = 90; 343 if (datain & KD_LSHIFT) 344 *type = WSCONS_EVENT_KEY_DOWN; 345 else 346 *type = WSCONS_EVENT_KEY_UP; 347 } else if ((datain ^ id->mods) & KD_RSHIFT) { 348 id->mods ^= KD_RSHIFT; 349 *dataout = 91; 350 if (datain & KD_RSHIFT) 351 *type = WSCONS_EVENT_KEY_DOWN; 352 else 353 *type = WSCONS_EVENT_KEY_UP; 354 } else if ((datain ^ id->mods) & KD_LALT) { 355 id->mods ^= KD_LALT; 356 *dataout = 92; 357 if (datain & KD_LALT) 358 *type = WSCONS_EVENT_KEY_DOWN; 359 else 360 *type = WSCONS_EVENT_KEY_UP; 361 } else if ((datain ^ id->mods) & KD_RALT) { 362 id->mods ^= KD_RALT; 363 *dataout = 93; 364 if (datain & KD_RALT) 365 *type = WSCONS_EVENT_KEY_DOWN; 366 else 367 *type = WSCONS_EVENT_KEY_UP; 368 } else if ((datain ^ id->mods) & KD_CNTL) { 369 id->mods ^= KD_CNTL; 370 *dataout = 94; 371 if (datain & KD_CNTL) 372 *type = WSCONS_EVENT_KEY_DOWN; 373 else 374 *type = WSCONS_EVENT_KEY_UP; 375 } else if ((datain ^ id->mods) & KD_LCOMM) { 376 id->mods ^= KD_LCOMM; 377 *dataout = 95; 378 if (datain & KD_LCOMM) 379 *type = WSCONS_EVENT_KEY_DOWN; 380 else 381 *type = WSCONS_EVENT_KEY_UP; 382 } else if ((datain ^ id->mods) & KD_RCOMM) { 383 id->mods ^= KD_RCOMM; 384 *dataout = 96; 385 if (datain & KD_RCOMM) 386 *type = WSCONS_EVENT_KEY_DOWN; 387 else 388 *type = WSCONS_EVENT_KEY_UP; 389 } else if (datain & KD_KEYMASK) { 390 if (datain & KD_DIRECTION) 391 *type = WSCONS_EVENT_KEY_UP; 392 else 393 *type = WSCONS_EVENT_KEY_DOWN; 394 395 *dataout = (datain & KD_KEYMASK); 396 } else { 397 *dataout = 0; 398 } 399 400 return 1; 401 } 402