mq200.c revision 1.2.2.5
1 /* $NetBSD: mq200.c,v 1.2.2.5 2001/02/11 19:10:29 bouyer Exp $ */ 2 3 /*- 4 * Copyright (c) 2000 Takemura Shin 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 REGENTS AND CONTRIBUTORS ``AS IS'' AND 19 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 20 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 21 * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE 22 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 23 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 24 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 25 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 26 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 27 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 28 * SUCH DAMAGE. 29 * 30 */ 31 32 #include <sys/param.h> 33 #include <sys/kernel.h> 34 #include <sys/device.h> 35 #include <sys/systm.h> 36 #include <sys/reboot.h> 37 38 #include <uvm/uvm_extern.h> 39 40 #include <dev/wscons/wsconsio.h> 41 42 #include <machine/bootinfo.h> 43 #include <machine/bus.h> 44 #include <machine/autoconf.h> 45 #include <machine/config_hook.h> 46 #include <machine/platid.h> 47 #include <machine/platid_mask.h> 48 49 #include <hpcmips/dev/mq200reg.h> 50 #include <hpcmips/dev/mq200var.h> 51 #include "bivideo.h" 52 #if NBIVIDEO > 0 53 #include <hpcmips/dev/bivideovar.h> 54 #endif 55 56 #define MQ200DEBUG 57 #ifdef MQ200DEBUG 58 #ifndef MQ200DEBUG_CONF 59 #define MQ200DEBUG_CONF 0 60 #endif 61 int mq200_debug = MQ200DEBUG_CONF; 62 #define DPRINTF(arg) do { if (mq200_debug) printf arg; } while(0); 63 #define DPRINTFN(n, arg) do { if (mq200_debug > (n)) printf arg; } while (0); 64 #define VPRINTF(arg) do { if (bootverbose || mq200_debug) printf arg; } while(0); 65 #define VPRINTFN(n, arg) do { if (bootverbose || mq200_debug > (n)) printf arg; } while (0); 66 #else 67 #define DPRINTF(arg) do { } while (0); 68 #define DPRINTFN(n, arg) do { } while (0); 69 #define VPRINTF(arg) do { if (bootverbose) printf arg; } while(0); 70 #define VPRINTFN(n, arg) do { if (bootverbose) printf arg; } while (0); 71 #endif 72 73 /* 74 * function prototypes 75 */ 76 static void mq200_power __P((int, void *)); 77 static int mq200_hardpower __P((void *, int, long, void *)); 78 static int mq200_fbinit __P((struct hpcfb_fbconf *)); 79 static int mq200_ioctl __P((void *, u_long, caddr_t, int, struct proc *)); 80 static paddr_t mq200_mmap __P((void *, off_t offset, int)); 81 82 /* 83 * static variables 84 */ 85 struct hpcfb_accessops mq200_ha = { 86 mq200_ioctl, mq200_mmap 87 }; 88 89 int 90 mq200_probe(iot, ioh) 91 bus_space_tag_t iot; 92 bus_space_handle_t ioh; 93 { 94 unsigned long regval; 95 96 #if NBIVIDEO > 0 97 if (bivideo_dont_attach) /* some video driver already attached */ 98 return (0); 99 #endif /* NBIVIDEO > 0 */ 100 101 regval = bus_space_read_4(iot, ioh, MQ200_PC00R); 102 VPRINTF(("mq200 probe: vendor id=%04lx product id=%04lx\n", 103 regval & 0xffff, (regval >> 16) & 0xffff)); 104 if (regval != ((MQ200_PRODUCT_ID << 16) | MQ200_VENDOR_ID)) 105 return (0); 106 107 return (1); 108 } 109 110 void 111 mq200_attach(sc) 112 struct mq200_softc *sc; 113 { 114 unsigned long regval; 115 struct hpcfb_attach_args ha; 116 int console = (bootinfo->bi_cnuse & BI_CNUSE_SERIAL) ? 0 : 1; 117 118 regval = bus_space_read_4(sc->sc_iot, sc->sc_ioh, MQ200_PC08R); 119 printf(": MQ200 Rev.%02lx video controller\n", regval & 0xff); 120 121 /* Add a power hook to power saving */ 122 sc->sc_powerstate = MQ200_POWERSTATE_D0; 123 sc->sc_powerhook = powerhook_establish(mq200_power, sc); 124 if (sc->sc_powerhook == NULL) 125 printf("%s: WARNING: unable to establish power hook\n", 126 sc->sc_dev.dv_xname); 127 128 /* Add a hard power hook to power saving */ 129 sc->sc_hardpowerhook = config_hook(CONFIG_HOOK_PMEVENT, 130 CONFIG_HOOK_PMEVENT_HARDPOWER, 131 CONFIG_HOOK_SHARE, 132 mq200_hardpower, sc); 133 if (sc->sc_hardpowerhook == NULL) 134 printf("%s: WARNING: unable to establish hard power hook\n", 135 sc->sc_dev.dv_xname); 136 137 if (mq200_fbinit(&sc->sc_fbconf) != 0) { 138 /* just return so that hpcfb will not be attached */ 139 return; 140 } 141 142 sc->sc_fbconf.hf_baseaddr = (u_long)bootinfo->fb_addr; 143 sc->sc_fbconf.hf_offset = (u_long)sc->sc_fbconf.hf_baseaddr - 144 MIPS_PHYS_TO_KSEG1(mips_ptob(mips_btop(sc->sc_baseaddr))); 145 DPRINTF(("hf_baseaddr=%lx\n", sc->sc_fbconf.hf_baseaddr)); 146 DPRINTF(("hf_offset=%lx\n", sc->sc_fbconf.hf_offset)); 147 148 if (console && hpcfb_cnattach(&sc->sc_fbconf) != 0) { 149 panic("mq200_attach: can't init fb console"); 150 } 151 152 ha.ha_console = console; 153 ha.ha_accessops = &mq200_ha; 154 ha.ha_accessctx = sc; 155 ha.ha_curfbconf = 0; 156 ha.ha_nfbconf = 1; 157 ha.ha_fbconflist = &sc->sc_fbconf; 158 ha.ha_curdspconf = 0; 159 ha.ha_ndspconf = 1; 160 ha.ha_dspconflist = &sc->sc_dspconf; 161 162 config_found(&sc->sc_dev, &ha, hpcfbprint); 163 164 #if NBIVIDEO > 0 165 /* 166 * bivideo is no longer need 167 */ 168 bivideo_dont_attach = 1; 169 #endif /* NBIVIDEO > 0 */ 170 } 171 172 static void 173 mq200_power(why, arg) 174 int why; 175 void *arg; 176 { 177 #if 0 178 struct mq200_softc *sc = arg; 179 180 switch (why) { 181 case PWR_SUSPEND: 182 sc->sc_powerstate = MQ200_POWERSTATE_D2; 183 break; 184 case PWR_STANDBY: 185 sc->sc_powerstate = MQ200_POWERSTATE_D3; 186 break; 187 case PWR_RESUME: 188 sc->sc_powerstate = MQ200_POWERSTATE_D0; 189 break; 190 } 191 192 printf("MQ200_PMCSR=%08x\n", sc->sc_powerstate); 193 bus_space_write_4(sc->sc_iot, sc->sc_ioh, 194 MQ200_PMCSR, sc->sc_powerstate); 195 #endif 196 } 197 198 static int 199 mq200_hardpower(ctx, type, id, msg) 200 void *ctx; 201 int type; 202 long id; 203 void *msg; 204 { 205 struct mq200_softc *sc = ctx; 206 int why = (int)msg; 207 208 switch (why) { 209 case PWR_SUSPEND: 210 sc->sc_powerstate = MQ200_POWERSTATE_D2; 211 break; 212 case PWR_STANDBY: 213 sc->sc_powerstate = MQ200_POWERSTATE_D3; 214 break; 215 case PWR_RESUME: 216 sc->sc_powerstate = MQ200_POWERSTATE_D0; 217 break; 218 } 219 220 bus_space_write_4(sc->sc_iot, sc->sc_ioh, 221 MQ200_PMCSR, sc->sc_powerstate); 222 223 /* 224 * you should wait until the 225 * power state transit sequence will end. 226 */ 227 { 228 unsigned long tmp; 229 do { 230 tmp = bus_space_read_4(sc->sc_iot, sc->sc_ioh, 231 MQ200_PMCSR); 232 } while ((tmp & 0x3) != (sc->sc_powerstate & 0x3)); 233 delay(100000); /* XXX */ 234 } 235 236 return (0); 237 } 238 239 240 static int 241 mq200_fbinit(fb) 242 struct hpcfb_fbconf *fb; 243 { 244 245 /* 246 * get fb settings from bootinfo 247 */ 248 if (bootinfo == NULL || 249 bootinfo->fb_addr == 0 || 250 bootinfo->fb_line_bytes == 0 || 251 bootinfo->fb_width == 0 || 252 bootinfo->fb_height == 0) { 253 printf("no frame buffer infomation.\n"); 254 return (-1); 255 } 256 257 /* zero fill */ 258 bzero(fb, sizeof(*fb)); 259 260 fb->hf_conf_index = 0; /* configuration index */ 261 fb->hf_nconfs = 1; /* how many configurations */ 262 strcpy(fb->hf_name, "built-in video"); 263 /* frame buffer name */ 264 strcpy(fb->hf_conf_name, "default"); 265 /* configuration name */ 266 fb->hf_height = bootinfo->fb_height; 267 fb->hf_width = bootinfo->fb_width; 268 fb->hf_baseaddr = mips_ptob(mips_btop(bootinfo->fb_addr)); 269 fb->hf_offset = (u_long)bootinfo->fb_addr - fb->hf_baseaddr; 270 /* frame buffer start offset */ 271 fb->hf_bytes_per_line = bootinfo->fb_line_bytes; 272 fb->hf_nplanes = 1; 273 fb->hf_bytes_per_plane = bootinfo->fb_height * 274 bootinfo->fb_line_bytes; 275 276 fb->hf_access_flags |= HPCFB_ACCESS_BYTE; 277 fb->hf_access_flags |= HPCFB_ACCESS_WORD; 278 fb->hf_access_flags |= HPCFB_ACCESS_DWORD; 279 280 switch (bootinfo->fb_type) { 281 /* 282 * gray scale 283 */ 284 case BIFB_D2_M2L_3: 285 case BIFB_D2_M2L_3x2: 286 fb->hf_access_flags |= HPCFB_ACCESS_REVERSE; 287 /* fall through */ 288 case BIFB_D2_M2L_0: 289 case BIFB_D2_M2L_0x2: 290 fb->hf_class = HPCFB_CLASS_GRAYSCALE; 291 fb->hf_access_flags |= HPCFB_ACCESS_STATIC; 292 fb->hf_pack_width = 8; 293 fb->hf_pixels_per_pack = 4; 294 fb->hf_pixel_width = 2; 295 fb->hf_class_data_length = sizeof(struct hf_gray_tag); 296 fb->hf_u.hf_gray.hf_flags = 0; /* reserved for future use */ 297 break; 298 299 case BIFB_D4_M2L_F: 300 case BIFB_D4_M2L_Fx2: 301 fb->hf_access_flags |= HPCFB_ACCESS_REVERSE; 302 /* fall through */ 303 case BIFB_D4_M2L_0: 304 case BIFB_D4_M2L_0x2: 305 fb->hf_class = HPCFB_CLASS_GRAYSCALE; 306 fb->hf_access_flags |= HPCFB_ACCESS_STATIC; 307 fb->hf_pack_width = 8; 308 fb->hf_pixels_per_pack = 2; 309 fb->hf_pixel_width = 4; 310 fb->hf_class_data_length = sizeof(struct hf_gray_tag); 311 fb->hf_u.hf_gray.hf_flags = 0; /* reserved for future use */ 312 break; 313 314 /* 315 * indexed color 316 */ 317 case BIFB_D8_FF: 318 fb->hf_access_flags |= HPCFB_ACCESS_REVERSE; 319 /* fall through */ 320 case BIFB_D8_00: 321 fb->hf_class = HPCFB_CLASS_INDEXCOLOR; 322 fb->hf_access_flags |= HPCFB_ACCESS_STATIC; 323 fb->hf_pack_width = 8; 324 fb->hf_pixels_per_pack = 1; 325 fb->hf_pixel_width = 8; 326 fb->hf_class_data_length = sizeof(struct hf_indexed_tag); 327 fb->hf_u.hf_indexed.hf_flags = 0; /* reserved for future use */ 328 break; 329 330 /* 331 * RGB color 332 */ 333 case BIFB_D16_FFFF: 334 fb->hf_access_flags |= HPCFB_ACCESS_REVERSE; 335 /* fall through */ 336 case BIFB_D16_0000: 337 fb->hf_class = HPCFB_CLASS_RGBCOLOR; 338 fb->hf_access_flags |= HPCFB_ACCESS_STATIC; 339 #if BYTE_ORDER == LITTLE_ENDIAN 340 fb->hf_swap_flags = HPCFB_SWAP_BYTE; 341 #endif 342 fb->hf_pack_width = 16; 343 fb->hf_pixels_per_pack = 1; 344 fb->hf_pixel_width = 16; 345 346 fb->hf_class_data_length = sizeof(struct hf_rgb_tag); 347 fb->hf_u.hf_rgb.hf_flags = 0; /* reserved for future use */ 348 349 fb->hf_u.hf_rgb.hf_red_width = 5; 350 fb->hf_u.hf_rgb.hf_red_shift = 11; 351 fb->hf_u.hf_rgb.hf_green_width = 6; 352 fb->hf_u.hf_rgb.hf_green_shift = 5; 353 fb->hf_u.hf_rgb.hf_blue_width = 5; 354 fb->hf_u.hf_rgb.hf_blue_shift = 0; 355 fb->hf_u.hf_rgb.hf_alpha_width = 0; 356 fb->hf_u.hf_rgb.hf_alpha_shift = 0; 357 break; 358 359 default: 360 printf("unknown type (=%d).\n", bootinfo->fb_type); 361 return (-1); 362 break; 363 } 364 365 return (0); /* no error */ 366 } 367 368 int 369 mq200_ioctl(v, cmd, data, flag, p) 370 void *v; 371 u_long cmd; 372 caddr_t data; 373 int flag; 374 struct proc *p; 375 { 376 struct mq200_softc *sc = (struct mq200_softc *)v; 377 struct hpcfb_fbconf *fbconf; 378 struct hpcfb_dspconf *dspconf; 379 struct wsdisplay_cmap *cmap; 380 struct wsdisplay_param *dispparam; 381 382 switch (cmd) { 383 case WSDISPLAYIO_GETCMAP: 384 cmap = (struct wsdisplay_cmap*)data; 385 386 if (sc->sc_fbconf.hf_class != HPCFB_CLASS_INDEXCOLOR || 387 sc->sc_fbconf.hf_pack_width != 8 || 388 256 <= cmap->index || 389 256 < (cmap->index + cmap->count)) 390 return (EINVAL); 391 392 #if 0 393 if (!uvm_useracc(cmap->red, cmap->count, B_WRITE) || 394 !uvm_useracc(cmap->green, cmap->count, B_WRITE) || 395 !uvm_useracc(cmap->blue, cmap->count, B_WRITE)) 396 return (EFAULT); 397 398 copyout(&bivideo_cmap_r[cmap->index], cmap->red, cmap->count); 399 copyout(&bivideo_cmap_g[cmap->index], cmap->green,cmap->count); 400 copyout(&bivideo_cmap_b[cmap->index], cmap->blue, cmap->count); 401 #endif 402 403 return (0); 404 405 case WSDISPLAYIO_PUTCMAP: 406 /* 407 * This driver can't set color map. 408 */ 409 return (EINVAL); 410 411 case WSDISPLAYIO_GETPARAM: 412 dispparam = (struct wsdisplay_param*)data; 413 switch (dispparam->param) { 414 case WSDISPLAYIO_PARAM_BACKLIGHT: 415 VPRINTF(("mq200_ioctl: GETPARAM:BACKLIGHT\n")); 416 return (EINVAL); 417 case WSDISPLAYIO_PARAM_CONTRAST: 418 VPRINTF(("mq200_ioctl: GETPARAM:CONTRAST\n")); 419 return (EINVAL); 420 case WSDISPLAYIO_PARAM_BRIGHTNESS: 421 VPRINTF(("mq200_ioctl: GETPARAM:BRIGHTNESS\n")); 422 return (EINVAL); 423 default: 424 return (EINVAL); 425 } 426 return (0); 427 428 case WSDISPLAYIO_SETPARAM: 429 dispparam = (struct wsdisplay_param*)data; 430 switch (dispparam->param) { 431 case WSDISPLAYIO_PARAM_BACKLIGHT: 432 VPRINTF(("mq200_ioctl: GETPARAM:BACKLIGHT\n")); 433 return (EINVAL); 434 case WSDISPLAYIO_PARAM_CONTRAST: 435 VPRINTF(("mq200_ioctl: GETPARAM:CONTRAST\n")); 436 return (EINVAL); 437 case WSDISPLAYIO_PARAM_BRIGHTNESS: 438 VPRINTF(("mq200_ioctl: GETPARAM:BRIGHTNESS\n")); 439 return (EINVAL); 440 default: 441 return (EINVAL); 442 } 443 return (0); 444 445 case HPCFBIO_GCONF: 446 fbconf = (struct hpcfb_fbconf *)data; 447 if (fbconf->hf_conf_index != 0 && 448 fbconf->hf_conf_index != HPCFB_CURRENT_CONFIG) { 449 return (EINVAL); 450 } 451 *fbconf = sc->sc_fbconf; /* structure assignment */ 452 return (0); 453 case HPCFBIO_SCONF: 454 fbconf = (struct hpcfb_fbconf *)data; 455 if (fbconf->hf_conf_index != 0 && 456 fbconf->hf_conf_index != HPCFB_CURRENT_CONFIG) { 457 return (EINVAL); 458 } 459 /* 460 * nothing to do because we have only one configration 461 */ 462 return (0); 463 case HPCFBIO_GDSPCONF: 464 dspconf = (struct hpcfb_dspconf *)data; 465 if ((dspconf->hd_unit_index != 0 && 466 dspconf->hd_unit_index != HPCFB_CURRENT_UNIT) || 467 (dspconf->hd_conf_index != 0 && 468 dspconf->hd_conf_index != HPCFB_CURRENT_CONFIG)) { 469 return (EINVAL); 470 } 471 *dspconf = sc->sc_dspconf; /* structure assignment */ 472 return (0); 473 case HPCFBIO_SDSPCONF: 474 dspconf = (struct hpcfb_dspconf *)data; 475 if ((dspconf->hd_unit_index != 0 && 476 dspconf->hd_unit_index != HPCFB_CURRENT_UNIT) || 477 (dspconf->hd_conf_index != 0 && 478 dspconf->hd_conf_index != HPCFB_CURRENT_CONFIG)) { 479 return (EINVAL); 480 } 481 /* 482 * nothing to do 483 * because we have only one unit and one configration 484 */ 485 return (0); 486 case HPCFBIO_GOP: 487 case HPCFBIO_SOP: 488 /* 489 * curently not implemented... 490 */ 491 return (EINVAL); 492 } 493 494 return (ENOTTY); 495 } 496 497 paddr_t 498 mq200_mmap(ctx, offset, prot) 499 void *ctx; 500 off_t offset; 501 int prot; 502 { 503 struct mq200_softc *sc = (struct mq200_softc *)ctx; 504 505 if (offset < 0 || MQ200_MAPSIZE <= offset) 506 return -1; 507 508 return mips_btop(sc->sc_baseaddr + offset); 509 } 510
Indexes created Tue Oct 07 21:09:53 GMT 2025