bivideo.c revision 1.4
1 /* $NetBSD: bivideo.c,v 1.4 2001/03/09 08:54:18 sato Exp $ */ 2 3 /*- 4 * Copyright (c) 1999-2001 5 * Shin Takemura and PocketBSD Project. 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. All advertising materials mentioning features or use of this software 16 * must display the following acknowledgement: 17 * This product includes software developed by the PocketBSD project 18 * and its contributors. 19 * 4. Neither the name of the project nor the names of its contributors 20 * may be used to endorse or promote products derived from this software 21 * without specific prior written permission. 22 * 23 * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND 24 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 25 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 26 * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE 27 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 28 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 29 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 30 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 31 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 32 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 33 * SUCH DAMAGE. 34 * 35 */ 36 #define FBDEBUG 37 static const char _copyright[] __attribute__ ((unused)) = 38 "Copyright (c) 1999 Shin Takemura. All rights reserved."; 39 static const char _rcsid[] __attribute__ ((unused)) = 40 "$Id: bivideo.c,v 1.4 2001/03/09 08:54:18 sato Exp $"; 41 42 #include <sys/param.h> 43 #include <sys/systm.h> 44 #include <sys/device.h> 45 #include <sys/buf.h> 46 #include <sys/ioctl.h> 47 #include <sys/reboot.h> 48 49 #include <uvm/uvm_extern.h> 50 51 #include <machine/bus.h> 52 #include <machine/autoconf.h> 53 #include <machine/bootinfo.h> 54 #include <machine/config_hook.h> 55 56 #include <dev/wscons/wsconsio.h> 57 #include <dev/wscons/wsdisplayvar.h> 58 59 #include <dev/rasops/rasops.h> 60 61 #include <dev/hpc/hpcfbvar.h> 62 #include <dev/hpc/hpcfbio.h> 63 #include <dev/hpc/bivideovar.h> 64 #include <dev/hpc/hpccmapvar.h> 65 66 #define VPRINTF(arg) do { if (bootverbose) printf arg; } while(0); 67 68 /* 69 * global variables 70 */ 71 int bivideo_dont_attach = 0; 72 73 /* 74 * function prototypes 75 */ 76 int bivideomatch(struct device *, struct cfdata *, void *); 77 void bivideoattach(struct device *, struct device *, void *); 78 int bivideo_ioctl(void *, u_long, caddr_t, int, struct proc *); 79 paddr_t bivideo_mmap(void *, off_t, int); 80 81 struct bivideo_softc { 82 struct device sc_dev; 83 struct hpcfb_fbconf sc_fbconf; 84 struct hpcfb_dspconf sc_dspconf; 85 void *sc_powerhook; /* power management hook */ 86 int sc_powerstate; 87 #define PWRSTAT_SUSPEND (1<<0) 88 #define PWRSTAT_VIDEOOFF (1<<1) 89 #define PWRSTAT_LCD (1<<2) 90 #define PWRSTAT_BACKLIGHT (1<<3) 91 #define PWRSTAT_ALL (0xffffffff) 92 int sc_brightness; 93 int sc_brightness_save; 94 int sc_max_brightness; 95 int sc_contrast; 96 int sc_max_contrast; 97 98 }; 99 100 static int bivideo_init(struct hpcfb_fbconf *); 101 static void bivideo_power(int, void *); 102 static void bivideo_update_powerstate(struct bivideo_softc *, int); 103 void bivideo_get_backlight(struct bivideo_softc *); 104 void bivideo_init_brightness(struct bivideo_softc *); 105 void bivideo_init_contrast(struct bivideo_softc *); 106 void bivideo_set_brightness(struct bivideo_softc *, int); 107 void bivideo_set_contrast(struct bivideo_softc *, int); 108 109 #if defined __mips__ || defined __sh__ || defined __arm__ 110 #define __BTOP(x) ((paddr_t)(x) >> PGSHIFT) 111 #define __PTOB(x) ((paddr_t)(x) << PGSHIFT) 112 #else 113 #error "define btop, ptob." 114 #endif 115 116 /* 117 * static variables 118 */ 119 struct cfattach bivideo_ca = { 120 sizeof(struct bivideo_softc), bivideomatch, bivideoattach, 121 }; 122 struct hpcfb_accessops bivideo_ha = { 123 bivideo_ioctl, bivideo_mmap 124 }; 125 126 static int console_flag = 0; 127 static int attach_flag = 0; 128 129 /* 130 * function bodies 131 */ 132 int 133 bivideomatch(struct device *parent, struct cfdata *match, void *aux) 134 { 135 struct mainbus_attach_args *ma = aux; 136 137 if (bivideo_dont_attach || 138 strcmp(ma->ma_name, match->cf_driver->cd_name)) 139 return 0; 140 141 return (1); 142 } 143 144 void 145 bivideoattach(struct device *parent, struct device *self, void *aux) 146 { 147 struct bivideo_softc *sc = (struct bivideo_softc *)self; 148 struct hpcfb_attach_args ha; 149 150 if (attach_flag) { 151 panic("%s(%d): bivideo attached twice", __FILE__, __LINE__); 152 } 153 attach_flag = 1; 154 155 printf(": "); 156 if (bivideo_init(&sc->sc_fbconf) != 0) { 157 /* just return so that hpcfb will not be attached */ 158 return; 159 } 160 161 printf("pseudo video controller"); 162 if (console_flag) { 163 printf(", console"); 164 } 165 printf("\n"); 166 printf("%s: framebuffer address: 0x%08lx\n", 167 sc->sc_dev.dv_xname, (u_long)bootinfo->fb_addr); 168 169 /* Add a suspend hook to power saving */ 170 sc->sc_powerstate = 0; 171 sc->sc_powerhook = powerhook_establish(bivideo_power, sc); 172 if (sc->sc_powerhook == NULL) 173 printf("%s: WARNING: unable to establish power hook\n", 174 sc->sc_dev.dv_xname); 175 176 /* initialize backlight brightness and lcd contrast */ 177 sc->sc_brightness = sc->sc_contrast = 178 sc->sc_max_brightness = sc->sc_max_contrast = -1; 179 bivideo_get_backlight(sc); 180 bivideo_init_brightness(sc); 181 bivideo_init_contrast(sc); 182 183 ha.ha_console = console_flag; 184 ha.ha_accessops = &bivideo_ha; 185 ha.ha_accessctx = sc; 186 ha.ha_curfbconf = 0; 187 ha.ha_nfbconf = 1; 188 ha.ha_fbconflist = &sc->sc_fbconf; 189 ha.ha_curdspconf = 0; 190 ha.ha_ndspconf = 1; 191 ha.ha_dspconflist = &sc->sc_dspconf; 192 193 config_found(self, &ha, hpcfbprint); 194 } 195 196 int 197 bivideo_getcnfb(struct hpcfb_fbconf *fb) 198 { 199 console_flag = 1; 200 201 return bivideo_init(fb); 202 } 203 204 static int 205 bivideo_init(struct hpcfb_fbconf *fb) 206 { 207 /* 208 * get fb settings from bootinfo 209 */ 210 if (bootinfo == NULL || 211 bootinfo->fb_addr == 0 || 212 bootinfo->fb_line_bytes == 0 || 213 bootinfo->fb_width == 0 || 214 bootinfo->fb_height == 0) { 215 printf("no frame buffer infomation.\n"); 216 return (-1); 217 } 218 219 /* zero fill */ 220 bzero(fb, sizeof(*fb)); 221 222 fb->hf_conf_index = 0; /* configuration index */ 223 fb->hf_nconfs = 1; /* how many configurations */ 224 strcpy(fb->hf_name, "built-in video"); 225 /* frame buffer name */ 226 strcpy(fb->hf_conf_name, "default"); 227 /* configuration name */ 228 fb->hf_height = bootinfo->fb_height; 229 fb->hf_width = bootinfo->fb_width; 230 fb->hf_baseaddr = (u_long)bootinfo->fb_addr; 231 fb->hf_offset = (u_long)bootinfo->fb_addr - 232 __PTOB(__BTOP(bootinfo->fb_addr)); 233 /* frame buffer start offset */ 234 fb->hf_bytes_per_line = bootinfo->fb_line_bytes; 235 fb->hf_nplanes = 1; 236 fb->hf_bytes_per_plane = bootinfo->fb_height * 237 bootinfo->fb_line_bytes; 238 239 fb->hf_access_flags |= HPCFB_ACCESS_BYTE; 240 fb->hf_access_flags |= HPCFB_ACCESS_WORD; 241 fb->hf_access_flags |= HPCFB_ACCESS_DWORD; 242 243 switch (bootinfo->fb_type) { 244 /* 245 * gray scale 246 */ 247 case BIFB_D2_M2L_3: 248 case BIFB_D2_M2L_3x2: 249 fb->hf_access_flags |= HPCFB_ACCESS_REVERSE; 250 /* fall through */ 251 case BIFB_D2_M2L_0: 252 case BIFB_D2_M2L_0x2: 253 fb->hf_class = HPCFB_CLASS_GRAYSCALE; 254 fb->hf_access_flags |= HPCFB_ACCESS_STATIC; 255 fb->hf_pack_width = 8; 256 fb->hf_pixels_per_pack = 4; 257 fb->hf_pixel_width = 2; 258 fb->hf_class_data_length = sizeof(struct hf_gray_tag); 259 fb->hf_u.hf_gray.hf_flags = 0; /* reserved for future use */ 260 break; 261 262 case BIFB_D4_M2L_F: 263 case BIFB_D4_M2L_Fx2: 264 fb->hf_access_flags |= HPCFB_ACCESS_REVERSE; 265 /* fall through */ 266 case BIFB_D4_M2L_0: 267 case BIFB_D4_M2L_0x2: 268 fb->hf_class = HPCFB_CLASS_GRAYSCALE; 269 fb->hf_access_flags |= HPCFB_ACCESS_STATIC; 270 fb->hf_pack_width = 8; 271 fb->hf_pixels_per_pack = 2; 272 fb->hf_pixel_width = 4; 273 fb->hf_class_data_length = sizeof(struct hf_gray_tag); 274 fb->hf_u.hf_gray.hf_flags = 0; /* reserved for future use */ 275 break; 276 277 /* 278 * indexed color 279 */ 280 case BIFB_D8_FF: 281 fb->hf_access_flags |= HPCFB_ACCESS_REVERSE; 282 /* fall through */ 283 case BIFB_D8_00: 284 fb->hf_class = HPCFB_CLASS_INDEXCOLOR; 285 fb->hf_access_flags |= HPCFB_ACCESS_STATIC; 286 fb->hf_pack_width = 8; 287 fb->hf_pixels_per_pack = 1; 288 fb->hf_pixel_width = 8; 289 fb->hf_class_data_length = sizeof(struct hf_indexed_tag); 290 fb->hf_u.hf_indexed.hf_flags = 0; /* reserved for future use */ 291 break; 292 293 /* 294 * RGB color 295 */ 296 case BIFB_D16_FFFF: 297 fb->hf_access_flags |= HPCFB_ACCESS_REVERSE; 298 /* fall through */ 299 case BIFB_D16_0000: 300 fb->hf_class = HPCFB_CLASS_RGBCOLOR; 301 fb->hf_access_flags |= HPCFB_ACCESS_STATIC; 302 #if BYTE_ORDER == LITTLE_ENDIAN 303 fb->hf_swap_flags = HPCFB_SWAP_BYTE; 304 #endif 305 fb->hf_pack_width = 16; 306 fb->hf_pixels_per_pack = 1; 307 fb->hf_pixel_width = 16; 308 309 fb->hf_class_data_length = sizeof(struct hf_rgb_tag); 310 fb->hf_u.hf_rgb.hf_flags = 0; /* reserved for future use */ 311 312 fb->hf_u.hf_rgb.hf_red_width = 5; 313 fb->hf_u.hf_rgb.hf_red_shift = 11; 314 fb->hf_u.hf_rgb.hf_green_width = 6; 315 fb->hf_u.hf_rgb.hf_green_shift = 5; 316 fb->hf_u.hf_rgb.hf_blue_width = 5; 317 fb->hf_u.hf_rgb.hf_blue_shift = 0; 318 fb->hf_u.hf_rgb.hf_alpha_width = 0; 319 fb->hf_u.hf_rgb.hf_alpha_shift = 0; 320 break; 321 322 default: 323 printf("unsupported type %d.\n", bootinfo->fb_type); 324 return (-1); 325 break; 326 } 327 328 return (0); /* no error */ 329 } 330 331 static void 332 bivideo_power(int why, void *arg) 333 { 334 struct bivideo_softc *sc = arg; 335 336 switch (why) { 337 case PWR_SUSPEND: 338 case PWR_STANDBY: 339 sc->sc_powerstate |= PWRSTAT_SUSPEND; 340 bivideo_update_powerstate(sc, PWRSTAT_ALL); 341 break; 342 case PWR_RESUME: 343 sc->sc_powerstate &= ~PWRSTAT_SUSPEND; 344 bivideo_update_powerstate(sc, PWRSTAT_ALL); 345 break; 346 } 347 } 348 349 static void 350 bivideo_update_powerstate(struct bivideo_softc *sc, int updates) 351 { 352 if (updates & PWRSTAT_LCD) 353 config_hook_call(CONFIG_HOOK_POWERCONTROL, 354 CONFIG_HOOK_POWERCONTROL_LCD, 355 (void*)!(sc->sc_powerstate & 356 (PWRSTAT_VIDEOOFF|PWRSTAT_SUSPEND))); 357 358 if (updates & PWRSTAT_BACKLIGHT) 359 config_hook_call(CONFIG_HOOK_POWERCONTROL, 360 CONFIG_HOOK_POWERCONTROL_LCDLIGHT, 361 (void*)(!(sc->sc_powerstate & 362 (PWRSTAT_VIDEOOFF|PWRSTAT_SUSPEND)) && 363 (sc->sc_powerstate & PWRSTAT_BACKLIGHT))); 364 } 365 366 int 367 bivideo_ioctl(void *v, u_long cmd, caddr_t data, int flag, struct proc *p) 368 { 369 struct bivideo_softc *sc = (struct bivideo_softc *)v; 370 struct hpcfb_fbconf *fbconf; 371 struct hpcfb_dspconf *dspconf; 372 struct wsdisplay_cmap *cmap; 373 struct wsdisplay_param *dispparam; 374 375 switch (cmd) { 376 case WSDISPLAYIO_GETCMAP: 377 cmap = (struct wsdisplay_cmap*)data; 378 379 if (sc->sc_fbconf.hf_class != HPCFB_CLASS_INDEXCOLOR || 380 sc->sc_fbconf.hf_pack_width != 8 || 381 256 <= cmap->index || 382 256 < (cmap->index + cmap->count)) 383 return (EINVAL); 384 385 if (!uvm_useracc(cmap->red, cmap->count, B_WRITE) || 386 !uvm_useracc(cmap->green, cmap->count, B_WRITE) || 387 !uvm_useracc(cmap->blue, cmap->count, B_WRITE)) 388 return (EFAULT); 389 390 copyout(&bivideo_cmap_r[cmap->index], cmap->red, cmap->count); 391 copyout(&bivideo_cmap_g[cmap->index], cmap->green,cmap->count); 392 copyout(&bivideo_cmap_b[cmap->index], cmap->blue, cmap->count); 393 394 return (0); 395 396 case WSDISPLAYIO_PUTCMAP: 397 /* 398 * This driver can't set color map. 399 */ 400 return (EINVAL); 401 402 case WSDISPLAYIO_SVIDEO: 403 if (*(int *)data == WSDISPLAYIO_VIDEO_OFF) 404 sc->sc_powerstate |= PWRSTAT_VIDEOOFF; 405 else 406 sc->sc_powerstate &= ~PWRSTAT_VIDEOOFF; 407 bivideo_update_powerstate(sc, PWRSTAT_ALL); 408 return 0; 409 410 case WSDISPLAYIO_GVIDEO: 411 *(int *)data = (sc->sc_powerstate&PWRSTAT_VIDEOOFF) ? 412 WSDISPLAYIO_VIDEO_OFF:WSDISPLAYIO_VIDEO_ON; 413 return 0; 414 415 416 case WSDISPLAYIO_GETPARAM: 417 dispparam = (struct wsdisplay_param*)data; 418 switch (dispparam->param) { 419 case WSDISPLAYIO_PARAM_BACKLIGHT: 420 VPRINTF(("bivideo_ioctl: GETPARAM:BACKLIGHT call\n")); 421 if (sc->sc_max_brightness == -1) 422 bivideo_init_brightness(sc); 423 bivideo_get_backlight(sc); 424 dispparam->min = 0; 425 dispparam->max = 1; 426 if (sc->sc_max_brightness > 0) 427 dispparam->curval = sc->sc_brightness > 0? 1: 0; 428 else 429 dispparam->curval = 430 (sc->sc_powerstate & PWRSTAT_BACKLIGHT) ? 1 : 0; 431 VPRINTF(("bivideo_ioctl: GETPARAM:BACKLIGHT:%d\n", 432 dispparam->curval)); 433 return 0; 434 break; 435 case WSDISPLAYIO_PARAM_CONTRAST: 436 VPRINTF(("bivideo_ioctl: GETPARAM:CONTRAST call\n")); 437 if (sc->sc_max_contrast == -1) 438 bivideo_init_contrast(sc); 439 if (sc->sc_max_contrast > 0) { 440 dispparam->min = 0; 441 dispparam->max = sc->sc_max_contrast; 442 dispparam->curval = sc->sc_contrast; 443 VPRINTF(("bivideo_ioctl: GETPARAM:CONTRAST max=%d, current=%d\n", sc->sc_max_contrast, sc->sc_contrast)); 444 return 0; 445 } else { 446 VPRINTF(("bivideo_ioctl: GETPARAM:CONTRAST ret\n")); 447 return (EINVAL); 448 } 449 break; 450 case WSDISPLAYIO_PARAM_BRIGHTNESS: 451 VPRINTF(("bivideo_ioctl: GETPARAM:BRIGHTNESS call\n")); 452 if (sc->sc_max_brightness == -1) 453 bivideo_init_brightness(sc); 454 if (sc->sc_max_brightness > 0) { 455 dispparam->min = 0; 456 dispparam->max = sc->sc_max_brightness; 457 dispparam->curval = sc->sc_brightness; 458 VPRINTF(("bivideo_ioctl: GETPARAM:BRIGHTNESS max=%d, current=%d\n", sc->sc_max_brightness, sc->sc_brightness)); 459 return 0; 460 } else { 461 VPRINTF(("bivideo_ioctl: GETPARAM:BRIGHTNESS ret\n")); 462 return (EINVAL); 463 } 464 return (EINVAL); 465 default: 466 return (EINVAL); 467 } 468 return (0); 469 470 case WSDISPLAYIO_SETPARAM: 471 dispparam = (struct wsdisplay_param*)data; 472 switch (dispparam->param) { 473 case WSDISPLAYIO_PARAM_BACKLIGHT: 474 VPRINTF(("bivideo_ioctl: SETPARAM:BACKLIGHT call\n")); 475 if (dispparam->curval < 0 || 476 1 < dispparam->curval) 477 return (EINVAL); 478 if (sc->sc_max_brightness == -1) 479 bivideo_init_brightness(sc); 480 VPRINTF(("bivideo_ioctl: SETPARAM:max brightness=%d\n", sc->sc_max_brightness)); 481 if (sc->sc_max_brightness > 0) { /* dimmer */ 482 if (dispparam->curval == 0){ 483 sc->sc_brightness_save = sc->sc_brightness; 484 bivideo_set_brightness(sc, 0); /* min */ 485 } else { 486 if (sc->sc_brightness_save == 0) 487 sc->sc_brightness_save = sc->sc_max_brightness; 488 bivideo_set_brightness(sc, sc->sc_brightness_save); 489 } 490 VPRINTF(("bivideo_ioctl: SETPARAM:BACKLIGHT: brightness=%d\n", sc->sc_brightness)); 491 } else { /* off */ 492 if (dispparam->curval == 0) 493 sc->sc_powerstate &= ~PWRSTAT_BACKLIGHT; 494 else 495 sc->sc_powerstate |= PWRSTAT_BACKLIGHT; 496 VPRINTF(("bivideo_ioctl: SETPARAM:BACKLIGHT: powerstate %d\n", 497 (sc->sc_powerstate & PWRSTAT_BACKLIGHT)?1:0)); 498 bivideo_update_powerstate(sc, PWRSTAT_BACKLIGHT); 499 VPRINTF(("bivideo_ioctl: SETPARAM:BACKLIGHT:%d\n", 500 (sc->sc_powerstate & PWRSTAT_BACKLIGHT)?1:0)); 501 } 502 return 0; 503 break; 504 case WSDISPLAYIO_PARAM_CONTRAST: 505 VPRINTF(("bivideo_ioctl: SETPARAM:CONTRAST call\n")); 506 if (sc->sc_max_contrast == -1) 507 bivideo_init_contrast(sc); 508 if (dispparam->curval < 0 || 509 sc->sc_max_contrast < dispparam->curval) 510 return (EINVAL); 511 if (sc->sc_max_contrast > 0) { 512 int org = sc->sc_contrast; 513 bivideo_set_contrast(sc, dispparam->curval); 514 VPRINTF(("bivideo_ioctl: SETPARAM:CONTRAST org=%d, current=%d\n", org, sc->sc_contrast)); 515 return 0; 516 } else { 517 VPRINTF(("bivideo_ioctl: SETPARAM:CONTRAST ret\n")); 518 return (EINVAL); 519 } 520 break; 521 case WSDISPLAYIO_PARAM_BRIGHTNESS: 522 VPRINTF(("bivideo_ioctl: SETPARAM:BRIGHTNESS call\n")); 523 if (sc->sc_max_brightness == -1) 524 bivideo_init_brightness(sc); 525 if (dispparam->curval < 0 || 526 sc->sc_max_brightness < dispparam->curval) 527 return (EINVAL); 528 if (sc->sc_max_brightness > 0) { 529 int org = sc->sc_brightness; 530 bivideo_set_brightness(sc, dispparam->curval); 531 VPRINTF(("bivideo_ioctl: SETPARAM:BRIGHTNESS org=%d, current=%d\n", org, sc->sc_brightness)); 532 return 0; 533 } else { 534 VPRINTF(("bivideo_ioctl: SETPARAM:BRIGHTNESS ret\n")); 535 return (EINVAL); 536 } 537 break; 538 default: 539 return (EINVAL); 540 } 541 return (0); 542 543 case HPCFBIO_GCONF: 544 fbconf = (struct hpcfb_fbconf *)data; 545 if (fbconf->hf_conf_index != 0 && 546 fbconf->hf_conf_index != HPCFB_CURRENT_CONFIG) { 547 return (EINVAL); 548 } 549 *fbconf = sc->sc_fbconf; /* structure assignment */ 550 return (0); 551 case HPCFBIO_SCONF: 552 fbconf = (struct hpcfb_fbconf *)data; 553 if (fbconf->hf_conf_index != 0 && 554 fbconf->hf_conf_index != HPCFB_CURRENT_CONFIG) { 555 return (EINVAL); 556 } 557 /* 558 * nothing to do because we have only one configration 559 */ 560 return (0); 561 case HPCFBIO_GDSPCONF: 562 dspconf = (struct hpcfb_dspconf *)data; 563 if ((dspconf->hd_unit_index != 0 && 564 dspconf->hd_unit_index != HPCFB_CURRENT_UNIT) || 565 (dspconf->hd_conf_index != 0 && 566 dspconf->hd_conf_index != HPCFB_CURRENT_CONFIG)) { 567 return (EINVAL); 568 } 569 *dspconf = sc->sc_dspconf; /* structure assignment */ 570 return (0); 571 case HPCFBIO_SDSPCONF: 572 dspconf = (struct hpcfb_dspconf *)data; 573 if ((dspconf->hd_unit_index != 0 && 574 dspconf->hd_unit_index != HPCFB_CURRENT_UNIT) || 575 (dspconf->hd_conf_index != 0 && 576 dspconf->hd_conf_index != HPCFB_CURRENT_CONFIG)) { 577 return (EINVAL); 578 } 579 /* 580 * nothing to do 581 * because we have only one unit and one configration 582 */ 583 return (0); 584 case HPCFBIO_GOP: 585 case HPCFBIO_SOP: 586 /* 587 * curently not implemented... 588 */ 589 return (EINVAL); 590 } 591 592 return (ENOTTY); 593 } 594 595 paddr_t 596 bivideo_mmap(void *ctx, off_t offset, int prot) 597 { 598 struct bivideo_softc *sc = (struct bivideo_softc *)ctx; 599 600 if (offset < 0 || 601 (sc->sc_fbconf.hf_bytes_per_plane + 602 sc->sc_fbconf.hf_offset) < offset) 603 return -1; 604 605 return __BTOP((u_long)bootinfo->fb_addr + offset); 606 } 607 608 void 609 bivideo_get_backlight(struct bivideo_softc *sc) 610 { 611 int val = -1; 612 613 if (sc->sc_max_brightness < 0) { 614 if (config_hook_call(CONFIG_HOOK_GET, 615 CONFIG_HOOK_POWER_LCDLIGHT, &val) != -1) { 616 if (val == 0) 617 sc->sc_powerstate &= ~PWRSTAT_BACKLIGHT; 618 else 619 sc->sc_powerstate |= PWRSTAT_BACKLIGHT; 620 } 621 } 622 } 623 624 void 625 bivideo_init_brightness(struct bivideo_softc *sc) 626 { 627 int val = -1; 628 629 if (config_hook_call(CONFIG_HOOK_GET, 630 CONFIG_HOOK_BRIGHTNESS, &val) != -1) { 631 sc->sc_brightness_save = sc->sc_brightness = val; 632 } 633 val = -1; 634 if (config_hook_call(CONFIG_HOOK_GET, 635 CONFIG_HOOK_BRIGHTNESS_MAX, &val) != -1) { 636 sc->sc_max_brightness = val; 637 } 638 return; 639 } 640 641 642 void 643 bivideo_init_contrast(struct bivideo_softc *sc) 644 { 645 int val = -1; 646 647 if (config_hook_call(CONFIG_HOOK_GET, 648 CONFIG_HOOK_CONTRAST, &val) != -1) { 649 sc->sc_contrast = val; 650 } 651 val = -1; 652 if (config_hook_call(CONFIG_HOOK_GET, 653 CONFIG_HOOK_CONTRAST_MAX, &val) != -1) { 654 sc->sc_max_contrast = val; 655 } 656 return; 657 } 658 659 void 660 bivideo_set_brightness(struct bivideo_softc *sc, int val) 661 { 662 sc->sc_brightness = val; 663 664 config_hook_call(CONFIG_HOOK_SET, CONFIG_HOOK_BRIGHTNESS, &val); 665 if (config_hook_call(CONFIG_HOOK_GET, 666 CONFIG_HOOK_BRIGHTNESS, &val) != -1) { 667 sc->sc_brightness = val; 668 } 669 } 670 671 void 672 bivideo_set_contrast(struct bivideo_softc *sc, int val) 673 { 674 sc->sc_contrast = val; 675 676 config_hook_call(CONFIG_HOOK_SET, CONFIG_HOOK_CONTRAST, &val); 677 if (config_hook_call(CONFIG_HOOK_GET, 678 CONFIG_HOOK_CONTRAST, &val) != -1) { 679 sc->sc_contrast = val; 680 } 681 } 682
Indexes created Mon Sep 29 21:09:56 GMT 2025