mq200.c revision 1.28
1 /* $NetBSD: mq200.c,v 1.28 2007/03/04 05:59:52 christos Exp $ */ 2 3 /*- 4 * Copyright (c) 2000, 2001 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/cdefs.h> 33 __KERNEL_RCSID(0, "$NetBSD: mq200.c,v 1.28 2007/03/04 05:59:52 christos Exp $"); 34 35 #include <sys/param.h> 36 #include <sys/kernel.h> 37 #include <sys/device.h> 38 #include <sys/systm.h> 39 #include <sys/reboot.h> 40 41 #include <uvm/uvm_extern.h> 42 43 #include <dev/wscons/wsconsio.h> 44 45 #include <machine/bootinfo.h> 46 #include <machine/bus.h> 47 #include <machine/autoconf.h> 48 #include <machine/config_hook.h> 49 #include <machine/platid.h> 50 #include <machine/platid_mask.h> 51 52 #include "opt_mq200.h" 53 #include <hpcmips/dev/mq200reg.h> 54 #include <hpcmips/dev/mq200var.h> 55 #include <hpcmips/dev/mq200priv.h> 56 57 #include "bivideo.h" 58 #if NBIVIDEO > 0 59 #include <dev/hpc/bivideovar.h> 60 #endif 61 62 /* 63 * function prototypes 64 */ 65 static void mq200_power(int, void *); 66 static int mq200_hardpower(void *, int, long, void *); 67 static int mq200_fbinit(struct hpcfb_fbconf *); 68 static int mq200_ioctl(void *, u_long, void *, int, struct lwp *); 69 static paddr_t mq200_mmap(void *, off_t offset, int); 70 static void mq200_update_powerstate(struct mq200_softc *, int); 71 void mq200_init_backlight(struct mq200_softc *, int); 72 void mq200_init_brightness(struct mq200_softc *, int); 73 void mq200_init_contrast(struct mq200_softc *, int); 74 void mq200_set_brightness(struct mq200_softc *, int); 75 void mq200_set_contrast(struct mq200_softc *, int); 76 77 /* 78 * static variables 79 */ 80 struct hpcfb_accessops mq200_ha = { 81 mq200_ioctl, mq200_mmap 82 }; 83 84 #ifdef MQ200_DEBUG 85 int mq200_debug = MQ200DEBUG_CONF; 86 #endif 87 88 int 89 mq200_probe(bus_space_tag_t iot, bus_space_handle_t ioh) 90 { 91 unsigned long regval; 92 93 #if NBIVIDEO > 0 94 if (bivideo_dont_attach) /* some video driver already attached */ 95 return (0); 96 #endif /* NBIVIDEO > 0 */ 97 98 regval = bus_space_read_4(iot, ioh, MQ200_PC00R); 99 VPRINTF("probe: vendor id=%04lx product id=%04lx\n", 100 regval & 0xffff, (regval >> 16) & 0xffff); 101 if (regval != ((MQ200_PRODUCT_ID << 16) | MQ200_VENDOR_ID)) 102 return (0); 103 104 return (1); 105 } 106 107 void 108 mq200_attach(struct mq200_softc *sc) 109 { 110 unsigned long regval; 111 struct hpcfb_attach_args ha; 112 int console = (bootinfo->bi_cnuse & BI_CNUSE_SERIAL) ? 0 : 1; 113 114 printf(": "); 115 if (mq200_fbinit(&sc->sc_fbconf) != 0) { 116 /* just return so that hpcfb will not be attached */ 117 return; 118 } 119 120 sc->sc_fbconf.hf_baseaddr = (u_long)bootinfo->fb_addr; 121 sc->sc_fbconf.hf_offset = (u_long)sc->sc_fbconf.hf_baseaddr - 122 MIPS_PHYS_TO_KSEG1(mips_ptob(mips_btop(sc->sc_baseaddr))); 123 DPRINTF("hf_baseaddr=%lx\n", sc->sc_fbconf.hf_baseaddr); 124 DPRINTF("hf_offset=%lx\n", sc->sc_fbconf.hf_offset); 125 126 regval = mq200_read(sc, MQ200_PC08R); 127 printf("MQ200 Rev.%02lx video controller", regval & 0xff); 128 if (console) { 129 printf(", console"); 130 } 131 printf("\n"); 132 printf("%s: framebuffer address: 0x%08lx\n", 133 sc->sc_dev.dv_xname, (u_long)bootinfo->fb_addr); 134 135 /* 136 * setup registers 137 */ 138 sc->sc_flags = 0; 139 sc->sc_baseclock = 12288; /* 12.288 MHz */ 140 #ifdef MQ200_DEBUG 141 if (bootverbose) { 142 /* dump current setting */ 143 mq200_dump_all(sc); 144 mq200_dump_pll(sc); 145 } 146 #endif 147 mq200_setup_regctx(sc); 148 mq200_mdsetup(sc); 149 if (sc->sc_md) { 150 int mode; 151 152 switch (sc->sc_fbconf.hf_pixel_width) { 153 case 1: mode = MQ200_GCC_1BPP; break; 154 case 2: mode = MQ200_GCC_2BPP; break; 155 case 4: mode = MQ200_GCC_4BPP; break; 156 case 8: mode = MQ200_GCC_8BPP; break; 157 case 16: mode = MQ200_GCC_16BPP_DIRECT; break; 158 default: 159 printf("%s: %dbpp isn't supported\n", 160 sc->sc_dev.dv_xname, sc->sc_fbconf.hf_pixel_width); 161 return; 162 } 163 164 if (sc->sc_md->md_flags & MQ200_MD_HAVEFP) { 165 sc->sc_flags |= MQ200_SC_GC2_ENABLE; /* FP */ 166 } 167 #if MQ200_USECRT 168 if (sc->sc_md->md_flags & MQ200_MD_HAVECRT) { 169 int i; 170 sc->sc_flags |= MQ200_SC_GC1_ENABLE; /* CRT */ 171 for (i = 0; i < mq200_crt_nparams; i++) { 172 sc->sc_crt = &mq200_crt_params[i]; 173 if (sc->sc_md->md_fp_width <= 174 mq200_crt_params[i].width && 175 sc->sc_md->md_fp_height <= 176 mq200_crt_params[i].height) 177 break; 178 } 179 } 180 #endif 181 mq200_setup(sc); 182 183 if (sc->sc_flags & MQ200_SC_GC2_ENABLE) /* FP */ 184 mq200_win_enable(sc, MQ200_GC2, mode, 185 sc->sc_fbconf.hf_baseaddr, 186 sc->sc_fbconf.hf_width, sc->sc_fbconf.hf_height, 187 sc->sc_fbconf.hf_bytes_per_plane); 188 if (sc->sc_flags & MQ200_SC_GC1_ENABLE) /* CRT */ 189 mq200_win_enable(sc, MQ200_GC1, mode, 190 sc->sc_fbconf.hf_baseaddr, 191 sc->sc_fbconf.hf_width, sc->sc_fbconf.hf_height, 192 sc->sc_fbconf.hf_bytes_per_plane); 193 } 194 #ifdef MQ200_DEBUG 195 if (sc->sc_md == NULL || bootverbose) { 196 mq200_dump_pll(sc); 197 } 198 #endif 199 200 /* Add a power hook to power saving */ 201 sc->sc_mq200pwstate = MQ200_POWERSTATE_D0; 202 sc->sc_powerhook = powerhook_establish(sc->sc_dev.dv_xname, 203 mq200_power, sc); 204 if (sc->sc_powerhook == NULL) 205 printf("%s: WARNING: unable to establish power hook\n", 206 sc->sc_dev.dv_xname); 207 208 /* Add a hard power hook to power saving */ 209 sc->sc_hardpowerhook = config_hook(CONFIG_HOOK_PMEVENT, 210 CONFIG_HOOK_PMEVENT_HARDPOWER, 211 CONFIG_HOOK_SHARE, 212 mq200_hardpower, sc); 213 if (sc->sc_hardpowerhook == NULL) 214 printf("%s: WARNING: unable to establish hard power hook\n", 215 sc->sc_dev.dv_xname); 216 217 /* initialize backlight brightness and lcd contrast */ 218 sc->sc_lcd_inited = 0; 219 mq200_init_brightness(sc, 1); 220 mq200_init_contrast(sc, 1); 221 mq200_init_backlight(sc, 1); 222 223 if (console && hpcfb_cnattach(&sc->sc_fbconf) != 0) { 224 panic("mq200_attach: can't init fb console"); 225 } 226 227 ha.ha_console = console; 228 ha.ha_accessops = &mq200_ha; 229 ha.ha_accessctx = sc; 230 ha.ha_curfbconf = 0; 231 ha.ha_nfbconf = 1; 232 ha.ha_fbconflist = &sc->sc_fbconf; 233 ha.ha_curdspconf = 0; 234 ha.ha_ndspconf = 1; 235 ha.ha_dspconflist = &sc->sc_dspconf; 236 237 config_found(&sc->sc_dev, &ha, hpcfbprint); 238 239 #if NBIVIDEO > 0 240 /* 241 * bivideo is no longer need 242 */ 243 bivideo_dont_attach = 1; 244 #endif /* NBIVIDEO > 0 */ 245 } 246 247 static void 248 mq200_update_powerstate(struct mq200_softc *sc, int updates) 249 { 250 251 if (updates & PWRSTAT_LCD) 252 config_hook_call(CONFIG_HOOK_POWERCONTROL, 253 CONFIG_HOOK_POWERCONTROL_LCD, 254 (void*)!(sc->sc_powerstate & 255 (PWRSTAT_VIDEOOFF|PWRSTAT_SUSPEND))); 256 257 if (updates & PWRSTAT_BACKLIGHT) 258 config_hook_call(CONFIG_HOOK_POWERCONTROL, 259 CONFIG_HOOK_POWERCONTROL_LCDLIGHT, 260 (void*)(!(sc->sc_powerstate & 261 (PWRSTAT_VIDEOOFF|PWRSTAT_SUSPEND)) && 262 (sc->sc_powerstate & PWRSTAT_BACKLIGHT))); 263 } 264 265 static void 266 mq200_power(int why, void *arg) 267 { 268 struct mq200_softc *sc = arg; 269 270 switch (why) { 271 case PWR_SUSPEND: 272 sc->sc_powerstate |= PWRSTAT_SUSPEND; 273 mq200_update_powerstate(sc, PWRSTAT_ALL); 274 break; 275 case PWR_STANDBY: 276 sc->sc_powerstate |= PWRSTAT_SUSPEND; 277 mq200_update_powerstate(sc, PWRSTAT_ALL); 278 break; 279 case PWR_RESUME: 280 sc->sc_powerstate &= ~PWRSTAT_SUSPEND; 281 mq200_update_powerstate(sc, PWRSTAT_ALL); 282 break; 283 } 284 } 285 286 static int 287 mq200_hardpower(void *ctx, int type, long id, void *msg) 288 { 289 struct mq200_softc *sc = ctx; 290 int why = (int)msg; 291 292 switch (why) { 293 case PWR_SUSPEND: 294 sc->sc_mq200pwstate = MQ200_POWERSTATE_D2; 295 break; 296 case PWR_STANDBY: 297 sc->sc_mq200pwstate = MQ200_POWERSTATE_D3; 298 break; 299 case PWR_RESUME: 300 sc->sc_mq200pwstate = MQ200_POWERSTATE_D0; 301 break; 302 } 303 304 bus_space_write_4(sc->sc_iot, sc->sc_ioh, 305 MQ200_PMCSR, sc->sc_mq200pwstate); 306 307 /* 308 * you should wait until the 309 * power state transit sequence will end. 310 */ 311 { 312 unsigned long tmp; 313 do { 314 tmp = bus_space_read_4(sc->sc_iot, sc->sc_ioh, 315 MQ200_PMCSR); 316 } while ((tmp & 0x3) != (sc->sc_mq200pwstate & 0x3)); 317 delay(100000); /* XXX */ 318 } 319 320 return (0); 321 } 322 323 324 static int 325 mq200_fbinit(struct hpcfb_fbconf *fb) 326 { 327 328 /* 329 * get fb settings from bootinfo 330 */ 331 if (bootinfo == NULL || 332 bootinfo->fb_addr == 0 || 333 bootinfo->fb_line_bytes == 0 || 334 bootinfo->fb_width == 0 || 335 bootinfo->fb_height == 0) { 336 printf("no frame buffer information.\n"); 337 return (-1); 338 } 339 340 /* zero fill */ 341 bzero(fb, sizeof(*fb)); 342 343 fb->hf_conf_index = 0; /* configuration index */ 344 fb->hf_nconfs = 1; /* how many configurations */ 345 strcpy(fb->hf_name, "built-in video"); 346 /* frame buffer name */ 347 strcpy(fb->hf_conf_name, "default"); 348 /* configuration name */ 349 fb->hf_height = bootinfo->fb_height; 350 fb->hf_width = bootinfo->fb_width; 351 fb->hf_baseaddr = mips_ptob(mips_btop(bootinfo->fb_addr)); 352 fb->hf_offset = (u_long)bootinfo->fb_addr - fb->hf_baseaddr; 353 /* frame buffer start offset */ 354 fb->hf_bytes_per_line = bootinfo->fb_line_bytes; 355 fb->hf_nplanes = 1; 356 fb->hf_bytes_per_plane = bootinfo->fb_height * 357 bootinfo->fb_line_bytes; 358 359 fb->hf_access_flags |= HPCFB_ACCESS_BYTE; 360 fb->hf_access_flags |= HPCFB_ACCESS_WORD; 361 fb->hf_access_flags |= HPCFB_ACCESS_DWORD; 362 363 switch (bootinfo->fb_type) { 364 /* 365 * monochrome 366 */ 367 case BIFB_D1_M2L_1: 368 fb->hf_access_flags |= HPCFB_ACCESS_REVERSE; 369 /* fall through */ 370 case BIFB_D1_M2L_0: 371 fb->hf_class = HPCFB_CLASS_GRAYSCALE; 372 fb->hf_access_flags |= HPCFB_ACCESS_STATIC; 373 fb->hf_pack_width = 8; 374 fb->hf_pixels_per_pack = 8; 375 fb->hf_pixel_width = 1; 376 fb->hf_class_data_length = sizeof(struct hf_gray_tag); 377 fb->hf_u.hf_gray.hf_flags = 0; /* reserved for future use */ 378 break; 379 380 /* 381 * gray scale 382 */ 383 case BIFB_D2_M2L_3: 384 case BIFB_D2_M2L_3x2: 385 fb->hf_access_flags |= HPCFB_ACCESS_REVERSE; 386 /* fall through */ 387 case BIFB_D2_M2L_0: 388 case BIFB_D2_M2L_0x2: 389 fb->hf_class = HPCFB_CLASS_GRAYSCALE; 390 fb->hf_access_flags |= HPCFB_ACCESS_STATIC; 391 fb->hf_pack_width = 8; 392 fb->hf_pixels_per_pack = 4; 393 fb->hf_pixel_width = 2; 394 fb->hf_class_data_length = sizeof(struct hf_gray_tag); 395 fb->hf_u.hf_gray.hf_flags = 0; /* reserved for future use */ 396 break; 397 398 case BIFB_D4_M2L_F: 399 case BIFB_D4_M2L_Fx2: 400 fb->hf_access_flags |= HPCFB_ACCESS_REVERSE; 401 /* fall through */ 402 case BIFB_D4_M2L_0: 403 case BIFB_D4_M2L_0x2: 404 fb->hf_class = HPCFB_CLASS_GRAYSCALE; 405 fb->hf_access_flags |= HPCFB_ACCESS_STATIC; 406 fb->hf_pack_width = 8; 407 fb->hf_pixels_per_pack = 2; 408 fb->hf_pixel_width = 4; 409 fb->hf_class_data_length = sizeof(struct hf_gray_tag); 410 fb->hf_u.hf_gray.hf_flags = 0; /* reserved for future use */ 411 break; 412 413 /* 414 * indexed color 415 */ 416 case BIFB_D8_FF: 417 fb->hf_access_flags |= HPCFB_ACCESS_REVERSE; 418 /* fall through */ 419 case BIFB_D8_00: 420 fb->hf_class = HPCFB_CLASS_INDEXCOLOR; 421 fb->hf_access_flags |= HPCFB_ACCESS_STATIC; 422 fb->hf_pack_width = 8; 423 fb->hf_pixels_per_pack = 1; 424 fb->hf_pixel_width = 8; 425 fb->hf_class_data_length = sizeof(struct hf_indexed_tag); 426 fb->hf_u.hf_indexed.hf_flags = 0; /* reserved for future use */ 427 break; 428 429 /* 430 * RGB color 431 */ 432 case BIFB_D16_FFFF: 433 fb->hf_access_flags |= HPCFB_ACCESS_REVERSE; 434 /* fall through */ 435 case BIFB_D16_0000: 436 fb->hf_class = HPCFB_CLASS_RGBCOLOR; 437 fb->hf_access_flags |= HPCFB_ACCESS_STATIC; 438 fb->hf_order_flags = HPCFB_REVORDER_BYTE; 439 fb->hf_pack_width = 16; 440 fb->hf_pixels_per_pack = 1; 441 fb->hf_pixel_width = 16; 442 443 fb->hf_class_data_length = sizeof(struct hf_rgb_tag); 444 fb->hf_u.hf_rgb.hf_flags = 0; /* reserved for future use */ 445 446 fb->hf_u.hf_rgb.hf_red_width = 5; 447 fb->hf_u.hf_rgb.hf_red_shift = 11; 448 fb->hf_u.hf_rgb.hf_green_width = 6; 449 fb->hf_u.hf_rgb.hf_green_shift = 5; 450 fb->hf_u.hf_rgb.hf_blue_width = 5; 451 fb->hf_u.hf_rgb.hf_blue_shift = 0; 452 fb->hf_u.hf_rgb.hf_alpha_width = 0; 453 fb->hf_u.hf_rgb.hf_alpha_shift = 0; 454 break; 455 456 default: 457 printf("unknown type (=%d).\n", bootinfo->fb_type); 458 return (-1); 459 break; 460 } 461 462 return (0); /* no error */ 463 } 464 465 int 466 mq200_ioctl(v, cmd, data, flag, l) 467 void *v; 468 u_long cmd; 469 void *data; 470 int flag; 471 struct lwp *l; 472 { 473 struct mq200_softc *sc = (struct mq200_softc *)v; 474 struct hpcfb_fbconf *fbconf; 475 struct hpcfb_dspconf *dspconf; 476 struct wsdisplay_cmap *cmap; 477 struct wsdisplay_param *dispparam; 478 479 switch (cmd) { 480 case WSDISPLAYIO_GETCMAP: 481 cmap = (struct wsdisplay_cmap *)data; 482 483 if (sc->sc_fbconf.hf_class != HPCFB_CLASS_INDEXCOLOR || 484 sc->sc_fbconf.hf_pack_width != 8 || 485 256 <= cmap->index || 486 256 - cmap->index < cmap->count) 487 return (EINVAL); 488 489 /* 490 * This driver can't get color map. 491 */ 492 return (EINVAL); 493 494 case WSDISPLAYIO_PUTCMAP: 495 /* 496 * This driver can't set color map. 497 */ 498 return (EINVAL); 499 500 case WSDISPLAYIO_SVIDEO: 501 if (*(int *)data == WSDISPLAYIO_VIDEO_OFF) 502 sc->sc_powerstate |= PWRSTAT_VIDEOOFF; 503 else 504 sc->sc_powerstate &= ~PWRSTAT_VIDEOOFF; 505 mq200_update_powerstate(sc, PWRSTAT_ALL); 506 return 0; 507 508 case WSDISPLAYIO_GVIDEO: 509 *(int *)data = (sc->sc_powerstate&PWRSTAT_VIDEOOFF) ? 510 WSDISPLAYIO_VIDEO_OFF:WSDISPLAYIO_VIDEO_ON; 511 return 0; 512 513 case WSDISPLAYIO_GETPARAM: 514 dispparam = (struct wsdisplay_param*)data; 515 switch (dispparam->param) { 516 case WSDISPLAYIO_PARAM_BACKLIGHT: 517 VPRINTF("ioctl: GET:BACKLIGHT\n"); 518 mq200_init_brightness(sc, 0); 519 mq200_init_backlight(sc, 0); 520 VPRINTF("ioctl: GET:(real)BACKLIGHT %d\n", 521 (sc->sc_powerstate&PWRSTAT_BACKLIGHT)? 1: 0); 522 dispparam->min = 0; 523 dispparam->max = 1; 524 if (sc->sc_max_brightness > 0) 525 dispparam->curval = sc->sc_brightness > 0 526 ? 1: 0; 527 else 528 dispparam->curval = 529 (sc->sc_powerstate&PWRSTAT_BACKLIGHT) 530 ? 1: 0; 531 VPRINTF("ioctl: GET:BACKLIGHT:%d(%s)\n", 532 dispparam->curval, 533 sc->sc_max_brightness > 0? "brightness": "light"); 534 return 0; 535 break; 536 case WSDISPLAYIO_PARAM_CONTRAST: 537 VPRINTF("ioctl: GET:CONTRAST\n"); 538 mq200_init_contrast(sc, 0); 539 if (sc->sc_max_contrast > 0) { 540 dispparam->min = 0; 541 dispparam->max = sc->sc_max_contrast; 542 dispparam->curval = sc->sc_contrast; 543 VPRINTF("ioctl: GET:CONTRAST" 544 " max=%d, current=%d\n", 545 sc->sc_max_contrast, sc->sc_contrast); 546 return 0; 547 } else { 548 VPRINTF("ioctl: GET:CONTRAST EINVAL\n"); 549 return (EINVAL); 550 } 551 break; 552 case WSDISPLAYIO_PARAM_BRIGHTNESS: 553 VPRINTF("ioctl: GET:BRIGHTNESS\n"); 554 mq200_init_brightness(sc, 0); 555 if (sc->sc_max_brightness > 0) { 556 dispparam->min = 0; 557 dispparam->max = sc->sc_max_brightness; 558 dispparam->curval = sc->sc_brightness; 559 VPRINTF("ioctl: GET:BRIGHTNESS" 560 " max=%d, current=%d\n", 561 sc->sc_max_brightness, sc->sc_brightness); 562 return 0; 563 } else { 564 VPRINTF("ioctl: GET:BRIGHTNESS EINVAL\n"); 565 return (EINVAL); 566 } 567 return (EINVAL); 568 default: 569 return (EINVAL); 570 } 571 return (0); 572 573 case WSDISPLAYIO_SETPARAM: 574 dispparam = (struct wsdisplay_param*)data; 575 switch (dispparam->param) { 576 case WSDISPLAYIO_PARAM_BACKLIGHT: 577 VPRINTF("ioctl: SET:BACKLIGHT\n"); 578 if (dispparam->curval < 0 || 579 1 < dispparam->curval) 580 return (EINVAL); 581 mq200_init_brightness(sc, 0); 582 VPRINTF("ioctl: SET:max brightness=%d\n", 583 sc->sc_max_brightness); 584 if (sc->sc_max_brightness > 0) { /* dimmer */ 585 if (dispparam->curval == 0){ 586 sc->sc_brightness_save = 587 sc->sc_brightness; 588 mq200_set_brightness(sc, 0); /* min */ 589 } else { 590 if (sc->sc_brightness_save == 0) 591 sc->sc_brightness_save = 592 sc->sc_max_brightness; 593 mq200_set_brightness(sc, 594 sc->sc_brightness_save); 595 } 596 VPRINTF("ioctl: SET:BACKLIGHT:" 597 " brightness=%d\n", sc->sc_brightness); 598 } else { /* off */ 599 if (dispparam->curval == 0) 600 sc->sc_powerstate &= ~PWRSTAT_BACKLIGHT; 601 else 602 sc->sc_powerstate |= PWRSTAT_BACKLIGHT; 603 VPRINTF("ioctl: SET:BACKLIGHT:" 604 " powerstate %d\n", 605 (sc->sc_powerstate & PWRSTAT_BACKLIGHT) 606 ? 1 : 0); 607 mq200_update_powerstate(sc, PWRSTAT_BACKLIGHT); 608 VPRINTF("ioctl: SET:BACKLIGHT:%d\n", 609 (sc->sc_powerstate & PWRSTAT_BACKLIGHT) 610 ? 1 : 0); 611 } 612 return 0; 613 break; 614 case WSDISPLAYIO_PARAM_CONTRAST: 615 VPRINTF("ioctl: SET:CONTRAST\n"); 616 mq200_init_contrast(sc, 0); 617 if (dispparam->curval < 0 || 618 sc->sc_max_contrast < dispparam->curval) 619 return (EINVAL); 620 if (sc->sc_max_contrast > 0) { 621 int org = sc->sc_contrast; 622 mq200_set_contrast(sc, dispparam->curval); 623 VPRINTF("ioctl: SET:CONTRAST" 624 " org=%d, current=%d\n", org, 625 sc->sc_contrast); 626 VPRINTF("ioctl: SETPARAM:" 627 " CONTRAST org=%d, current=%d\n", org, 628 sc->sc_contrast); 629 return 0; 630 } else { 631 VPRINTF("ioctl: SET:CONTRAST EINVAL\n"); 632 return (EINVAL); 633 } 634 break; 635 case WSDISPLAYIO_PARAM_BRIGHTNESS: 636 VPRINTF("ioctl: SET:BRIGHTNESS\n"); 637 mq200_init_brightness(sc, 0); 638 if (dispparam->curval < 0 || 639 sc->sc_max_brightness < dispparam->curval) 640 return (EINVAL); 641 if (sc->sc_max_brightness > 0) { 642 int org = sc->sc_brightness; 643 mq200_set_brightness(sc, dispparam->curval); 644 VPRINTF("ioctl: SET:BRIGHTNESS" 645 " org=%d, current=%d\n", org, 646 sc->sc_brightness); 647 return 0; 648 } else { 649 VPRINTF("ioctl: SET:BRIGHTNESS EINVAL\n"); 650 return (EINVAL); 651 } 652 break; 653 default: 654 return (EINVAL); 655 } 656 return (0); 657 658 case HPCFBIO_GCONF: 659 fbconf = (struct hpcfb_fbconf *)data; 660 if (fbconf->hf_conf_index != 0 && 661 fbconf->hf_conf_index != HPCFB_CURRENT_CONFIG) { 662 return (EINVAL); 663 } 664 *fbconf = sc->sc_fbconf; /* structure assignment */ 665 return (0); 666 case HPCFBIO_SCONF: 667 fbconf = (struct hpcfb_fbconf *)data; 668 if (fbconf->hf_conf_index != 0 && 669 fbconf->hf_conf_index != HPCFB_CURRENT_CONFIG) { 670 return (EINVAL); 671 } 672 /* 673 * nothing to do because we have only one configuration 674 */ 675 return (0); 676 case HPCFBIO_GDSPCONF: 677 dspconf = (struct hpcfb_dspconf *)data; 678 if ((dspconf->hd_unit_index != 0 && 679 dspconf->hd_unit_index != HPCFB_CURRENT_UNIT) || 680 (dspconf->hd_conf_index != 0 && 681 dspconf->hd_conf_index != HPCFB_CURRENT_CONFIG)) { 682 return (EINVAL); 683 } 684 *dspconf = sc->sc_dspconf; /* structure assignment */ 685 return (0); 686 case HPCFBIO_SDSPCONF: 687 dspconf = (struct hpcfb_dspconf *)data; 688 if ((dspconf->hd_unit_index != 0 && 689 dspconf->hd_unit_index != HPCFB_CURRENT_UNIT) || 690 (dspconf->hd_conf_index != 0 && 691 dspconf->hd_conf_index != HPCFB_CURRENT_CONFIG)) { 692 return (EINVAL); 693 } 694 /* 695 * nothing to do 696 * because we have only one unit and one configuration 697 */ 698 return (0); 699 case HPCFBIO_GOP: 700 case HPCFBIO_SOP: 701 /* 702 * curently not implemented... 703 */ 704 return (EINVAL); 705 } 706 707 return (EPASSTHROUGH); 708 } 709 710 paddr_t 711 mq200_mmap(void *ctx, off_t offset, int prot) 712 { 713 struct mq200_softc *sc = (struct mq200_softc *)ctx; 714 715 if (offset < 0 || MQ200_MAPSIZE <= offset) 716 return -1; 717 718 return mips_btop(sc->sc_baseaddr + offset); 719 } 720 721 722 void 723 mq200_init_backlight(struct mq200_softc *sc, int inattach) 724 { 725 int val = -1; 726 727 if (sc->sc_lcd_inited&BACKLIGHT_INITED) 728 return; 729 730 if (config_hook_call(CONFIG_HOOK_GET, 731 CONFIG_HOOK_POWER_LCDLIGHT, &val) != -1) { 732 /* we can get real light state */ 733 VPRINTF("init_backlight: real backlight=%d\n", val); 734 if (val == 0) 735 sc->sc_powerstate &= ~PWRSTAT_BACKLIGHT; 736 else 737 sc->sc_powerstate |= PWRSTAT_BACKLIGHT; 738 sc->sc_lcd_inited |= BACKLIGHT_INITED; 739 } else if (inattach) { 740 /* 741 we cannot get real light state in attach time 742 because light device not yet attached. 743 we will retry in !inattach. 744 temporary assume light is on. 745 */ 746 sc->sc_powerstate |= PWRSTAT_BACKLIGHT; 747 } else { 748 /* we cannot get real light state, so work by myself state */ 749 sc->sc_lcd_inited |= BACKLIGHT_INITED; 750 } 751 } 752 753 void 754 mq200_init_brightness(struct mq200_softc *sc, int inattach) 755 { 756 int val = -1; 757 758 if (sc->sc_lcd_inited&BRIGHTNESS_INITED) 759 return; 760 761 VPRINTF("init_brightness\n"); 762 if (config_hook_call(CONFIG_HOOK_GET, 763 CONFIG_HOOK_BRIGHTNESS_MAX, &val) != -1) { 764 /* we can get real brightness max */ 765 VPRINTF("init_brightness: real brightness max=%d\n", val); 766 sc->sc_max_brightness = val; 767 val = -1; 768 if (config_hook_call(CONFIG_HOOK_GET, 769 CONFIG_HOOK_BRIGHTNESS, &val) != -1) { 770 /* we can get real brightness */ 771 VPRINTF("init_brightness: real brightness=%d\n", val); 772 sc->sc_brightness_save = sc->sc_brightness = val; 773 } else { 774 sc->sc_brightness_save = 775 sc->sc_brightness = sc->sc_max_brightness; 776 } 777 sc->sc_lcd_inited |= BRIGHTNESS_INITED; 778 } else if (inattach) { 779 /* 780 we cannot get real brightness in attach time 781 because brightness device not yet attached. 782 we will retry in !inattach. 783 */ 784 sc->sc_max_brightness = -1; 785 sc->sc_brightness = -1; 786 sc->sc_brightness_save = -1; 787 } else { 788 /* we cannot get real brightness */ 789 sc->sc_lcd_inited |= BRIGHTNESS_INITED; 790 } 791 792 return; 793 } 794 795 796 void 797 mq200_init_contrast(struct mq200_softc *sc, int inattach) 798 { 799 int val = -1; 800 801 if (sc->sc_lcd_inited&CONTRAST_INITED) 802 return; 803 804 VPRINTF("init_contrast\n"); 805 if (config_hook_call(CONFIG_HOOK_GET, 806 CONFIG_HOOK_CONTRAST_MAX, &val) != -1) { 807 /* we can get real contrast max */ 808 VPRINTF("init_contrast: real contrast max=%d\n", val); 809 sc->sc_max_contrast = val; 810 val = -1; 811 if (config_hook_call(CONFIG_HOOK_GET, 812 CONFIG_HOOK_CONTRAST, &val) != -1) { 813 /* we can get real contrast */ 814 VPRINTF("init_contrast: real contrast=%d\n", val); 815 sc->sc_contrast = val; 816 } else { 817 sc->sc_contrast = sc->sc_max_contrast; 818 } 819 sc->sc_lcd_inited |= CONTRAST_INITED; 820 } else if (inattach) { 821 /* 822 we cannot get real contrast in attach time 823 because contrast device not yet attached. 824 we will retry in !inattach. 825 */ 826 sc->sc_max_contrast = -1; 827 sc->sc_contrast = -1; 828 } else { 829 /* we cannot get real contrast */ 830 sc->sc_lcd_inited |= CONTRAST_INITED; 831 } 832 833 return; 834 } 835 836 837 void 838 mq200_set_brightness(struct mq200_softc *sc, int val) 839 { 840 sc->sc_brightness = val; 841 842 config_hook_call(CONFIG_HOOK_SET, CONFIG_HOOK_BRIGHTNESS, &val); 843 if (config_hook_call(CONFIG_HOOK_GET, 844 CONFIG_HOOK_BRIGHTNESS, &val) != -1) { 845 sc->sc_brightness = val; 846 } 847 } 848 849 void 850 mq200_set_contrast(struct mq200_softc *sc, int val) 851 { 852 sc->sc_contrast = val; 853 854 config_hook_call(CONFIG_HOOK_SET, CONFIG_HOOK_CONTRAST, &val); 855 if (config_hook_call(CONFIG_HOOK_GET, 856 CONFIG_HOOK_CONTRAST, &val) != -1) { 857 sc->sc_contrast = val; 858 } 859 } 860
Indexes created Mon Sep 22 21:09:42 GMT 2025