mq200.c revision 1.31
1 /* $NetBSD: mq200.c,v 1.31 2012/10/27 17:17:52 chs 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 1.31 2012/10/27 17:17:52 chs 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 device_xname(sc->sc_dev), (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 device_xname(sc->sc_dev), 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(device_xname(sc->sc_dev), 203 mq200_power, sc); 204 if (sc->sc_powerhook == NULL) 205 printf("%s: WARNING: unable to establish power hook\n", 206 device_xname(sc->sc_dev)); 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 device_xname(sc->sc_dev)); 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 memset(fb, 0, 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(void *v, u_long cmd, void *data, int flag, struct lwp *l) 467 { 468 struct mq200_softc *sc = (struct mq200_softc *)v; 469 struct hpcfb_fbconf *fbconf; 470 struct hpcfb_dspconf *dspconf; 471 struct wsdisplay_cmap *cmap; 472 struct wsdisplay_param *dispparam; 473 474 switch (cmd) { 475 case WSDISPLAYIO_GETCMAP: 476 cmap = (struct wsdisplay_cmap *)data; 477 478 if (sc->sc_fbconf.hf_class != HPCFB_CLASS_INDEXCOLOR || 479 sc->sc_fbconf.hf_pack_width != 8 || 480 256 <= cmap->index || 481 256 - cmap->index < cmap->count) 482 return (EINVAL); 483 484 /* 485 * This driver can't get color map. 486 */ 487 return (EINVAL); 488 489 case WSDISPLAYIO_PUTCMAP: 490 /* 491 * This driver can't set color map. 492 */ 493 return (EINVAL); 494 495 case WSDISPLAYIO_SVIDEO: 496 if (*(int *)data == WSDISPLAYIO_VIDEO_OFF) 497 sc->sc_powerstate |= PWRSTAT_VIDEOOFF; 498 else 499 sc->sc_powerstate &= ~PWRSTAT_VIDEOOFF; 500 mq200_update_powerstate(sc, PWRSTAT_ALL); 501 return 0; 502 503 case WSDISPLAYIO_GVIDEO: 504 *(int *)data = (sc->sc_powerstate&PWRSTAT_VIDEOOFF) ? 505 WSDISPLAYIO_VIDEO_OFF:WSDISPLAYIO_VIDEO_ON; 506 return 0; 507 508 case WSDISPLAYIO_GETPARAM: 509 dispparam = (struct wsdisplay_param*)data; 510 switch (dispparam->param) { 511 case WSDISPLAYIO_PARAM_BACKLIGHT: 512 VPRINTF("ioctl: GET:BACKLIGHT\n"); 513 mq200_init_brightness(sc, 0); 514 mq200_init_backlight(sc, 0); 515 VPRINTF("ioctl: GET:(real)BACKLIGHT %d\n", 516 (sc->sc_powerstate&PWRSTAT_BACKLIGHT)? 1: 0); 517 dispparam->min = 0; 518 dispparam->max = 1; 519 if (sc->sc_max_brightness > 0) 520 dispparam->curval = sc->sc_brightness > 0 521 ? 1: 0; 522 else 523 dispparam->curval = 524 (sc->sc_powerstate&PWRSTAT_BACKLIGHT) 525 ? 1: 0; 526 VPRINTF("ioctl: GET:BACKLIGHT:%d(%s)\n", 527 dispparam->curval, 528 sc->sc_max_brightness > 0? "brightness": "light"); 529 return 0; 530 break; 531 case WSDISPLAYIO_PARAM_CONTRAST: 532 VPRINTF("ioctl: GET:CONTRAST\n"); 533 mq200_init_contrast(sc, 0); 534 if (sc->sc_max_contrast > 0) { 535 dispparam->min = 0; 536 dispparam->max = sc->sc_max_contrast; 537 dispparam->curval = sc->sc_contrast; 538 VPRINTF("ioctl: GET:CONTRAST" 539 " max=%d, current=%d\n", 540 sc->sc_max_contrast, sc->sc_contrast); 541 return 0; 542 } else { 543 VPRINTF("ioctl: GET:CONTRAST EINVAL\n"); 544 return (EINVAL); 545 } 546 break; 547 case WSDISPLAYIO_PARAM_BRIGHTNESS: 548 VPRINTF("ioctl: GET:BRIGHTNESS\n"); 549 mq200_init_brightness(sc, 0); 550 if (sc->sc_max_brightness > 0) { 551 dispparam->min = 0; 552 dispparam->max = sc->sc_max_brightness; 553 dispparam->curval = sc->sc_brightness; 554 VPRINTF("ioctl: GET:BRIGHTNESS" 555 " max=%d, current=%d\n", 556 sc->sc_max_brightness, sc->sc_brightness); 557 return 0; 558 } else { 559 VPRINTF("ioctl: GET:BRIGHTNESS EINVAL\n"); 560 return (EINVAL); 561 } 562 return (EINVAL); 563 default: 564 return (EINVAL); 565 } 566 return (0); 567 568 case WSDISPLAYIO_SETPARAM: 569 dispparam = (struct wsdisplay_param*)data; 570 switch (dispparam->param) { 571 case WSDISPLAYIO_PARAM_BACKLIGHT: 572 VPRINTF("ioctl: SET:BACKLIGHT\n"); 573 if (dispparam->curval < 0 || 574 1 < dispparam->curval) 575 return (EINVAL); 576 mq200_init_brightness(sc, 0); 577 VPRINTF("ioctl: SET:max brightness=%d\n", 578 sc->sc_max_brightness); 579 if (sc->sc_max_brightness > 0) { /* dimmer */ 580 if (dispparam->curval == 0){ 581 sc->sc_brightness_save = 582 sc->sc_brightness; 583 mq200_set_brightness(sc, 0); /* min */ 584 } else { 585 if (sc->sc_brightness_save == 0) 586 sc->sc_brightness_save = 587 sc->sc_max_brightness; 588 mq200_set_brightness(sc, 589 sc->sc_brightness_save); 590 } 591 VPRINTF("ioctl: SET:BACKLIGHT:" 592 " brightness=%d\n", sc->sc_brightness); 593 } else { /* off */ 594 if (dispparam->curval == 0) 595 sc->sc_powerstate &= ~PWRSTAT_BACKLIGHT; 596 else 597 sc->sc_powerstate |= PWRSTAT_BACKLIGHT; 598 VPRINTF("ioctl: SET:BACKLIGHT:" 599 " powerstate %d\n", 600 (sc->sc_powerstate & PWRSTAT_BACKLIGHT) 601 ? 1 : 0); 602 mq200_update_powerstate(sc, PWRSTAT_BACKLIGHT); 603 VPRINTF("ioctl: SET:BACKLIGHT:%d\n", 604 (sc->sc_powerstate & PWRSTAT_BACKLIGHT) 605 ? 1 : 0); 606 } 607 return 0; 608 break; 609 case WSDISPLAYIO_PARAM_CONTRAST: 610 VPRINTF("ioctl: SET:CONTRAST\n"); 611 mq200_init_contrast(sc, 0); 612 if (dispparam->curval < 0 || 613 sc->sc_max_contrast < dispparam->curval) 614 return (EINVAL); 615 if (sc->sc_max_contrast > 0) { 616 int org = sc->sc_contrast; 617 mq200_set_contrast(sc, dispparam->curval); 618 VPRINTF("ioctl: SET:CONTRAST" 619 " org=%d, current=%d\n", org, 620 sc->sc_contrast); 621 VPRINTF("ioctl: SETPARAM:" 622 " CONTRAST org=%d, current=%d\n", org, 623 sc->sc_contrast); 624 return 0; 625 } else { 626 VPRINTF("ioctl: SET:CONTRAST EINVAL\n"); 627 return (EINVAL); 628 } 629 break; 630 case WSDISPLAYIO_PARAM_BRIGHTNESS: 631 VPRINTF("ioctl: SET:BRIGHTNESS\n"); 632 mq200_init_brightness(sc, 0); 633 if (dispparam->curval < 0 || 634 sc->sc_max_brightness < dispparam->curval) 635 return (EINVAL); 636 if (sc->sc_max_brightness > 0) { 637 int org = sc->sc_brightness; 638 mq200_set_brightness(sc, dispparam->curval); 639 VPRINTF("ioctl: SET:BRIGHTNESS" 640 " org=%d, current=%d\n", org, 641 sc->sc_brightness); 642 return 0; 643 } else { 644 VPRINTF("ioctl: SET:BRIGHTNESS EINVAL\n"); 645 return (EINVAL); 646 } 647 break; 648 default: 649 return (EINVAL); 650 } 651 return (0); 652 653 case HPCFBIO_GCONF: 654 fbconf = (struct hpcfb_fbconf *)data; 655 if (fbconf->hf_conf_index != 0 && 656 fbconf->hf_conf_index != HPCFB_CURRENT_CONFIG) { 657 return (EINVAL); 658 } 659 *fbconf = sc->sc_fbconf; /* structure assignment */ 660 return (0); 661 case HPCFBIO_SCONF: 662 fbconf = (struct hpcfb_fbconf *)data; 663 if (fbconf->hf_conf_index != 0 && 664 fbconf->hf_conf_index != HPCFB_CURRENT_CONFIG) { 665 return (EINVAL); 666 } 667 /* 668 * nothing to do because we have only one configuration 669 */ 670 return (0); 671 case HPCFBIO_GDSPCONF: 672 dspconf = (struct hpcfb_dspconf *)data; 673 if ((dspconf->hd_unit_index != 0 && 674 dspconf->hd_unit_index != HPCFB_CURRENT_UNIT) || 675 (dspconf->hd_conf_index != 0 && 676 dspconf->hd_conf_index != HPCFB_CURRENT_CONFIG)) { 677 return (EINVAL); 678 } 679 *dspconf = sc->sc_dspconf; /* structure assignment */ 680 return (0); 681 case HPCFBIO_SDSPCONF: 682 dspconf = (struct hpcfb_dspconf *)data; 683 if ((dspconf->hd_unit_index != 0 && 684 dspconf->hd_unit_index != HPCFB_CURRENT_UNIT) || 685 (dspconf->hd_conf_index != 0 && 686 dspconf->hd_conf_index != HPCFB_CURRENT_CONFIG)) { 687 return (EINVAL); 688 } 689 /* 690 * nothing to do 691 * because we have only one unit and one configuration 692 */ 693 return (0); 694 case HPCFBIO_GOP: 695 case HPCFBIO_SOP: 696 /* 697 * curently not implemented... 698 */ 699 return (EINVAL); 700 } 701 702 return (EPASSTHROUGH); 703 } 704 705 paddr_t 706 mq200_mmap(void *ctx, off_t offset, int prot) 707 { 708 struct mq200_softc *sc = (struct mq200_softc *)ctx; 709 710 if (offset < 0 || MQ200_MAPSIZE <= offset) 711 return -1; 712 713 return mips_btop(sc->sc_baseaddr + offset); 714 } 715 716 717 void 718 mq200_init_backlight(struct mq200_softc *sc, int inattach) 719 { 720 int val = -1; 721 722 if (sc->sc_lcd_inited&BACKLIGHT_INITED) 723 return; 724 725 if (config_hook_call(CONFIG_HOOK_GET, 726 CONFIG_HOOK_POWER_LCDLIGHT, &val) != -1) { 727 /* we can get real light state */ 728 VPRINTF("init_backlight: real backlight=%d\n", val); 729 if (val == 0) 730 sc->sc_powerstate &= ~PWRSTAT_BACKLIGHT; 731 else 732 sc->sc_powerstate |= PWRSTAT_BACKLIGHT; 733 sc->sc_lcd_inited |= BACKLIGHT_INITED; 734 } else if (inattach) { 735 /* 736 we cannot get real light state in attach time 737 because light device not yet attached. 738 we will retry in !inattach. 739 temporary assume light is on. 740 */ 741 sc->sc_powerstate |= PWRSTAT_BACKLIGHT; 742 } else { 743 /* we cannot get real light state, so work by myself state */ 744 sc->sc_lcd_inited |= BACKLIGHT_INITED; 745 } 746 } 747 748 void 749 mq200_init_brightness(struct mq200_softc *sc, int inattach) 750 { 751 int val = -1; 752 753 if (sc->sc_lcd_inited&BRIGHTNESS_INITED) 754 return; 755 756 VPRINTF("init_brightness\n"); 757 if (config_hook_call(CONFIG_HOOK_GET, 758 CONFIG_HOOK_BRIGHTNESS_MAX, &val) != -1) { 759 /* we can get real brightness max */ 760 VPRINTF("init_brightness: real brightness max=%d\n", val); 761 sc->sc_max_brightness = val; 762 val = -1; 763 if (config_hook_call(CONFIG_HOOK_GET, 764 CONFIG_HOOK_BRIGHTNESS, &val) != -1) { 765 /* we can get real brightness */ 766 VPRINTF("init_brightness: real brightness=%d\n", val); 767 sc->sc_brightness_save = sc->sc_brightness = val; 768 } else { 769 sc->sc_brightness_save = 770 sc->sc_brightness = sc->sc_max_brightness; 771 } 772 sc->sc_lcd_inited |= BRIGHTNESS_INITED; 773 } else if (inattach) { 774 /* 775 we cannot get real brightness in attach time 776 because brightness device not yet attached. 777 we will retry in !inattach. 778 */ 779 sc->sc_max_brightness = -1; 780 sc->sc_brightness = -1; 781 sc->sc_brightness_save = -1; 782 } else { 783 /* we cannot get real brightness */ 784 sc->sc_lcd_inited |= BRIGHTNESS_INITED; 785 } 786 787 return; 788 } 789 790 791 void 792 mq200_init_contrast(struct mq200_softc *sc, int inattach) 793 { 794 int val = -1; 795 796 if (sc->sc_lcd_inited&CONTRAST_INITED) 797 return; 798 799 VPRINTF("init_contrast\n"); 800 if (config_hook_call(CONFIG_HOOK_GET, 801 CONFIG_HOOK_CONTRAST_MAX, &val) != -1) { 802 /* we can get real contrast max */ 803 VPRINTF("init_contrast: real contrast max=%d\n", val); 804 sc->sc_max_contrast = val; 805 val = -1; 806 if (config_hook_call(CONFIG_HOOK_GET, 807 CONFIG_HOOK_CONTRAST, &val) != -1) { 808 /* we can get real contrast */ 809 VPRINTF("init_contrast: real contrast=%d\n", val); 810 sc->sc_contrast = val; 811 } else { 812 sc->sc_contrast = sc->sc_max_contrast; 813 } 814 sc->sc_lcd_inited |= CONTRAST_INITED; 815 } else if (inattach) { 816 /* 817 we cannot get real contrast in attach time 818 because contrast device not yet attached. 819 we will retry in !inattach. 820 */ 821 sc->sc_max_contrast = -1; 822 sc->sc_contrast = -1; 823 } else { 824 /* we cannot get real contrast */ 825 sc->sc_lcd_inited |= CONTRAST_INITED; 826 } 827 828 return; 829 } 830 831 832 void 833 mq200_set_brightness(struct mq200_softc *sc, int val) 834 { 835 sc->sc_brightness = val; 836 837 config_hook_call(CONFIG_HOOK_SET, CONFIG_HOOK_BRIGHTNESS, &val); 838 if (config_hook_call(CONFIG_HOOK_GET, 839 CONFIG_HOOK_BRIGHTNESS, &val) != -1) { 840 sc->sc_brightness = val; 841 } 842 } 843 844 void 845 mq200_set_contrast(struct mq200_softc *sc, int val) 846 { 847 sc->sc_contrast = val; 848 849 config_hook_call(CONFIG_HOOK_SET, CONFIG_HOOK_CONTRAST, &val); 850 if (config_hook_call(CONFIG_HOOK_GET, 851 CONFIG_HOOK_CONTRAST, &val) != -1) { 852 sc->sc_contrast = val; 853 } 854 } 855
Indexes created Mon Sep 22 21:09:42 GMT 2025