tx3912video.c revision 1.38
1 /* $NetBSD: tx3912video.c,v 1.38 2007/03/04 05:59:54 christos Exp $ */ 2 3 /*- 4 * Copyright (c) 1999-2002 The NetBSD Foundation, Inc. 5 * All rights reserved. 6 * 7 * This code is derived from software contributed to The NetBSD Foundation 8 * by UCHIYAMA Yasushi. 9 * 10 * Redistribution and use in source and binary forms, with or without 11 * modification, are permitted provided that the following conditions 12 * are met: 13 * 1. Redistributions of source code must retain the above copyright 14 * notice, this list of conditions and the following disclaimer. 15 * 2. Redistributions in binary form must reproduce the above copyright 16 * notice, this list of conditions and the following disclaimer in the 17 * documentation and/or other materials provided with the distribution. 18 * 3. All advertising materials mentioning features or use of this software 19 * must display the following acknowledgement: 20 * This product includes software developed by the NetBSD 21 * Foundation, Inc. and its contributors. 22 * 4. Neither the name of The NetBSD Foundation nor the names of its 23 * contributors may be used to endorse or promote products derived 24 * from this software without specific prior written permission. 25 * 26 * THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS 27 * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED 28 * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR 29 * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS 30 * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR 31 * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF 32 * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS 33 * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN 34 * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) 35 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE 36 * POSSIBILITY OF SUCH DAMAGE. 37 */ 38 39 #include <sys/cdefs.h> 40 __KERNEL_RCSID(0, "$NetBSD: tx3912video.c,v 1.38 2007/03/04 05:59:54 christos Exp $"); 41 42 #define TX3912VIDEO_DEBUG 43 44 #include "hpcfb.h" 45 #include "bivideo.h" 46 47 #include <sys/param.h> 48 #include <sys/systm.h> 49 #include <sys/device.h> 50 #include <sys/extent.h> 51 52 #include <sys/ioctl.h> 53 #include <sys/buf.h> 54 55 #include <uvm/uvm_extern.h> 56 57 #include <dev/cons.h> /* consdev */ 58 59 #include <machine/bus.h> 60 #include <machine/bootinfo.h> 61 #include <machine/config_hook.h> 62 63 #include <hpcmips/tx/tx39var.h> 64 #include <hpcmips/tx/tx3912videovar.h> 65 #include <hpcmips/tx/tx3912videoreg.h> 66 67 /* CLUT */ 68 #include <dev/wscons/wsdisplayvar.h> 69 #include <dev/rasops/rasops.h> 70 #include <dev/hpc/video_subr.h> 71 72 #include <dev/wscons/wsconsio.h> 73 #include <dev/hpc/hpcfbvar.h> 74 #include <dev/hpc/hpcfbio.h> 75 #if NBIVIDEO > 0 76 #include <dev/hpc/bivideovar.h> 77 #endif 78 79 #ifdef TX3912VIDEO_DEBUG 80 int tx3912video_debug = 1; 81 #define DPRINTF(arg) if (tx3912video_debug) printf arg; 82 #define DPRINTFN(n, arg) if (tx3912video_debug > (n)) printf arg; 83 #else 84 #define DPRINTF(arg) 85 #define DPRINTFN(n, arg) 86 #endif 87 88 struct tx3912video_softc { 89 struct device sc_dev; 90 void *sc_powerhook; /* power management hook */ 91 int sc_console; 92 struct hpcfb_fbconf sc_fbconf; 93 struct hpcfb_dspconf sc_dspconf; 94 struct video_chip *sc_chip; 95 }; 96 97 /* TX3912 built-in video chip itself */ 98 static struct video_chip tx3912video_chip; 99 100 int tx3912video_power(void *, int, long, void *); 101 void tx3912video_framebuffer_init(struct video_chip *); 102 int tx3912video_framebuffer_alloc(struct video_chip *, paddr_t, paddr_t *); 103 void tx3912video_reset(struct video_chip *); 104 void tx3912video_resolution_init(struct video_chip *); 105 int tx3912video_match(struct device *, struct cfdata *, void *); 106 void tx3912video_attach(struct device *, struct device *, void *); 107 int tx3912video_print(void *, const char *); 108 109 void tx3912video_hpcfbinit(struct tx3912video_softc *); 110 int tx3912video_ioctl(void *, u_long, void *, int, struct lwp *); 111 paddr_t tx3912video_mmap(void *, off_t, int); 112 113 void tx3912video_clut_init(struct tx3912video_softc *); 114 void tx3912video_clut_install(void *, struct rasops_info *); 115 void tx3912video_clut_get(struct tx3912video_softc *, u_int32_t *, int, 116 int); 117 118 static int __get_color8(int); 119 static int __get_color4(int); 120 121 CFATTACH_DECL(tx3912video, sizeof(struct tx3912video_softc), 122 tx3912video_match, tx3912video_attach, NULL, NULL); 123 124 struct hpcfb_accessops tx3912video_ha = { 125 tx3912video_ioctl, tx3912video_mmap, 0, 0, 0, 0, 126 tx3912video_clut_install 127 }; 128 129 int 130 tx3912video_match(struct device *parent, struct cfdata *cf, void *aux) 131 { 132 return (ATTACH_NORMAL); 133 } 134 135 void 136 tx3912video_attach(struct device *parent, struct device *self, void *aux) 137 { 138 struct tx3912video_softc *sc = (void *)self; 139 struct video_chip *chip; 140 static const char *const depth_print[] = { 141 [TX3912_VIDEOCTRL1_BITSEL_MONOCHROME] = "monochrome", 142 [TX3912_VIDEOCTRL1_BITSEL_2BITGREYSCALE] = "2bit greyscale", 143 [TX3912_VIDEOCTRL1_BITSEL_4BITGREYSCALE] = "4bit greyscale", 144 [TX3912_VIDEOCTRL1_BITSEL_8BITCOLOR] = "8bit color" 145 }; 146 struct hpcfb_attach_args ha; 147 tx_chipset_tag_t tc; 148 txreg_t val; 149 int console; 150 151 sc->sc_console = console = cn_tab ? 0 : 1; 152 sc->sc_chip = chip = &tx3912video_chip; 153 154 /* print video module information */ 155 printf(": %s, frame buffer 0x%08x-0x%08x\n", 156 depth_print[(ffs(chip->vc_fbdepth) - 1) & 0x3], 157 (unsigned)chip->vc_fbpaddr, 158 (unsigned)(chip->vc_fbpaddr + chip->vc_fbsize)); 159 160 /* don't inverse VDAT[3:0] signal */ 161 tc = chip->vc_v; 162 val = tx_conf_read(tc, TX3912_VIDEOCTRL1_REG); 163 val &= ~TX3912_VIDEOCTRL1_INVVID; 164 tx_conf_write(tc, TX3912_VIDEOCTRL1_REG, val); 165 166 /* install default CLUT */ 167 tx3912video_clut_init(sc); 168 169 /* if serial console, power off video module */ 170 tx3912video_power(sc, 0, 0, (void *) 171 (console ? PWR_RESUME : PWR_SUSPEND)); 172 173 /* Add a hard power hook to power saving */ 174 sc->sc_powerhook = config_hook(CONFIG_HOOK_PMEVENT, 175 CONFIG_HOOK_PMEVENT_HARDPOWER, CONFIG_HOOK_SHARE, 176 tx3912video_power, sc); 177 if (sc->sc_powerhook == 0) 178 printf("WARNING unable to establish hard power hook"); 179 180 #ifdef TX3912VIDEO_DEBUG 181 /* attach debug draw routine (debugging use) */ 182 video_attach_drawfunc(sc->sc_chip); 183 tx_conf_register_video(tc, sc->sc_chip); 184 #endif 185 186 /* Attach frame buffer device */ 187 tx3912video_hpcfbinit(sc); 188 189 if (console && hpcfb_cnattach(&sc->sc_fbconf) != 0) { 190 panic("tx3912video_attach: can't init fb console"); 191 } 192 193 ha.ha_console = console; 194 ha.ha_accessops = &tx3912video_ha; 195 ha.ha_accessctx = sc; 196 ha.ha_curfbconf = 0; 197 ha.ha_nfbconf = 1; 198 ha.ha_fbconflist = &sc->sc_fbconf; 199 ha.ha_curdspconf = 0; 200 ha.ha_ndspconf = 1; 201 ha.ha_dspconflist = &sc->sc_dspconf; 202 203 config_found(self, &ha, hpcfbprint); 204 #if NBIVIDEO > 0 205 /* bivideo is no longer need */ 206 bivideo_dont_attach = 1; 207 #endif /* NBIVIDEO > 0 */ 208 } 209 210 int 211 tx3912video_power(void *ctx, int type, long id, void *msg) 212 { 213 struct tx3912video_softc *sc = ctx; 214 struct video_chip *chip = sc->sc_chip; 215 tx_chipset_tag_t tc = chip->vc_v; 216 int why = (int)msg; 217 txreg_t val; 218 219 switch (why) { 220 case PWR_RESUME: 221 if (!sc->sc_console) 222 return (0); /* serial console */ 223 224 DPRINTF(("%s: ON\n", sc->sc_dev.dv_xname)); 225 val = tx_conf_read(tc, TX3912_VIDEOCTRL1_REG); 226 val |= (TX3912_VIDEOCTRL1_DISPON | TX3912_VIDEOCTRL1_ENVID); 227 tx_conf_write(tc, TX3912_VIDEOCTRL1_REG, val); 228 break; 229 case PWR_SUSPEND: 230 /* FALLTHROUGH */ 231 case PWR_STANDBY: 232 DPRINTF(("%s: OFF\n", sc->sc_dev.dv_xname)); 233 val = tx_conf_read(tc, TX3912_VIDEOCTRL1_REG); 234 val &= ~(TX3912_VIDEOCTRL1_DISPON | TX3912_VIDEOCTRL1_ENVID); 235 tx_conf_write(tc, TX3912_VIDEOCTRL1_REG, val); 236 break; 237 } 238 239 return (0); 240 } 241 242 void 243 tx3912video_hpcfbinit(sc) 244 struct tx3912video_softc *sc; 245 { 246 struct video_chip *chip = sc->sc_chip; 247 struct hpcfb_fbconf *fb = &sc->sc_fbconf; 248 vaddr_t fbvaddr = (vaddr_t)MIPS_PHYS_TO_KSEG1(chip->vc_fbpaddr); 249 250 memset(fb, 0, sizeof(struct hpcfb_fbconf)); 251 252 fb->hf_conf_index = 0; /* configuration index */ 253 fb->hf_nconfs = 1; /* how many configurations */ 254 strncpy(fb->hf_name, "TX3912 built-in video", HPCFB_MAXNAMELEN); 255 /* frame buffer name */ 256 strncpy(fb->hf_conf_name, "LCD", HPCFB_MAXNAMELEN); 257 /* configuration name */ 258 fb->hf_height = chip->vc_fbheight; 259 fb->hf_width = chip->vc_fbwidth; 260 fb->hf_baseaddr = (u_long)fbvaddr; 261 fb->hf_offset = (u_long)fbvaddr - 262 mips_ptob(mips_btop(fbvaddr)); 263 /* frame buffer start offset */ 264 fb->hf_bytes_per_line = (chip->vc_fbwidth * chip->vc_fbdepth) 265 / NBBY; 266 fb->hf_nplanes = 1; 267 fb->hf_bytes_per_plane = chip->vc_fbheight * fb->hf_bytes_per_line; 268 269 fb->hf_access_flags |= HPCFB_ACCESS_BYTE; 270 fb->hf_access_flags |= HPCFB_ACCESS_WORD; 271 fb->hf_access_flags |= HPCFB_ACCESS_DWORD; 272 if (video_reverse_color()) 273 fb->hf_access_flags |= HPCFB_ACCESS_REVERSE; 274 275 276 switch (chip->vc_fbdepth) { 277 default: 278 panic("tx3912video_hpcfbinit: not supported color depth"); 279 /* NOTREACHED */ 280 case 2: 281 fb->hf_class = HPCFB_CLASS_GRAYSCALE; 282 fb->hf_access_flags |= HPCFB_ACCESS_STATIC; 283 fb->hf_pack_width = 8; 284 fb->hf_pixels_per_pack = 4; 285 fb->hf_pixel_width = 2; 286 fb->hf_class_data_length = sizeof(struct hf_gray_tag); 287 /* reserved for future use */ 288 fb->hf_u.hf_gray.hf_flags = 0; 289 break; 290 case 8: 291 fb->hf_class = HPCFB_CLASS_INDEXCOLOR; 292 fb->hf_access_flags |= HPCFB_ACCESS_STATIC; 293 fb->hf_pack_width = 8; 294 fb->hf_pixels_per_pack = 1; 295 fb->hf_pixel_width = 8; 296 fb->hf_class_data_length = sizeof(struct hf_indexed_tag); 297 /* reserved for future use */ 298 fb->hf_u.hf_indexed.hf_flags = 0; 299 break; 300 } 301 } 302 303 int 304 tx3912video_init(paddr_t fb_start, paddr_t *fb_end) 305 { 306 struct video_chip *chip = &tx3912video_chip; 307 tx_chipset_tag_t tc; 308 txreg_t reg; 309 int fbdepth, reverse, error; 310 311 reverse = video_reverse_color(); 312 chip->vc_v = tc = tx_conf_get_tag(); 313 314 reg = tx_conf_read(tc, TX3912_VIDEOCTRL1_REG); 315 fbdepth = 1 << (TX3912_VIDEOCTRL1_BITSEL(reg)); 316 317 switch (fbdepth) { 318 case 2: 319 bootinfo->fb_type = reverse ? BIFB_D2_M2L_3 : BIFB_D2_M2L_0; 320 break; 321 case 4: 322 /* XXX should implement rasops4.c */ 323 fbdepth = 2; 324 bootinfo->fb_type = reverse ? BIFB_D2_M2L_3 : BIFB_D2_M2L_0; 325 reg = tx_conf_read(tc, TX3912_VIDEOCTRL1_REG); 326 TX3912_VIDEOCTRL1_BITSEL_CLR(reg); 327 reg = TX3912_VIDEOCTRL1_BITSEL_SET(reg, 328 TX3912_VIDEOCTRL1_BITSEL_2BITGREYSCALE); 329 tx_conf_write(tc, TX3912_VIDEOCTRL1_REG, reg); 330 break; 331 case 8: 332 bootinfo->fb_type = reverse ? BIFB_D8_FF : BIFB_D8_00; 333 break; 334 } 335 336 chip->vc_fbdepth = fbdepth; 337 chip->vc_fbwidth = bootinfo->fb_width; 338 chip->vc_fbheight= bootinfo->fb_height; 339 340 /* Allocate framebuffer area */ 341 error = tx3912video_framebuffer_alloc(chip, fb_start, fb_end); 342 if (error != 0) 343 return (1); 344 345 #if notyet 346 tx3912video_resolution_init(chip); 347 #else 348 /* Use Windows CE setting. */ 349 #endif 350 /* Set DMA transfer address to VID module */ 351 tx3912video_framebuffer_init(chip); 352 353 /* Syncronize framebuffer addr to frame signal */ 354 tx3912video_reset(chip); 355 356 bootinfo->fb_line_bytes = (chip->vc_fbwidth * fbdepth) / NBBY; 357 bootinfo->fb_addr = (void *)MIPS_PHYS_TO_KSEG1(chip->vc_fbpaddr); 358 359 return (0); 360 } 361 362 int 363 tx3912video_framebuffer_alloc(struct video_chip *chip, paddr_t fb_start, 364 paddr_t *fb_end /* buffer allocation hint */) 365 { 366 struct extent_fixed ex_fixed[10]; 367 struct extent *ex; 368 u_long addr, size; 369 int error; 370 371 /* calcurate frame buffer size */ 372 size = (chip->vc_fbwidth * chip->vc_fbheight * chip->vc_fbdepth) / 373 NBBY; 374 375 /* extent V-RAM region */ 376 ex = extent_create("Frame buffer address", fb_start, *fb_end, 377 0, (void *)ex_fixed, sizeof ex_fixed, 378 EX_NOWAIT); 379 if (ex == 0) 380 return (1); 381 382 /* Allocate V-RAM area */ 383 error = extent_alloc_subregion(ex, fb_start, fb_start + size - 1, 384 size, TX3912_FRAMEBUFFER_ALIGNMENT, 385 TX3912_FRAMEBUFFER_BOUNDARY, EX_FAST|EX_NOWAIT, &addr); 386 extent_destroy(ex); 387 388 if (error != 0) 389 return (1); 390 391 chip->vc_fbpaddr = addr; 392 chip->vc_fbvaddr = MIPS_PHYS_TO_KSEG1(addr); 393 chip->vc_fbsize = size; 394 395 *fb_end = addr + size; 396 397 return (0); 398 } 399 400 void 401 tx3912video_framebuffer_init(struct video_chip *chip) 402 { 403 u_int32_t fb_addr, fb_size, vaddr, bank, base; 404 txreg_t reg; 405 tx_chipset_tag_t tc = chip->vc_v; 406 407 fb_addr = chip->vc_fbpaddr; 408 fb_size = chip->vc_fbsize; 409 410 /* XXX currently I don't set DFVAL, so force DF signal toggled on 411 * XXX each frame. */ 412 reg = tx_conf_read(tc, TX3912_VIDEOCTRL1_REG); 413 reg &= ~TX3912_VIDEOCTRL1_DFMODE; 414 tx_conf_write(tc, TX3912_VIDEOCTRL1_REG, reg); 415 416 /* Set DMA transfer start and end address */ 417 418 bank = TX3912_VIDEOCTRL3_VIDBANK(fb_addr); 419 base = TX3912_VIDEOCTRL3_VIDBASEHI(fb_addr); 420 reg = TX3912_VIDEOCTRL3_VIDBANK_SET(0, bank); 421 /* Upper address counter */ 422 reg = TX3912_VIDEOCTRL3_VIDBASEHI_SET(reg, base); 423 tx_conf_write(tc, TX3912_VIDEOCTRL3_REG, reg); 424 425 /* Lower address counter */ 426 base = TX3912_VIDEOCTRL4_VIDBASELO(fb_addr + fb_size); 427 reg = TX3912_VIDEOCTRL4_VIDBASELO_SET(0, base); 428 429 /* Set DF-signal rate */ 430 reg = TX3912_VIDEOCTRL4_DFVAL_SET(reg, 0); /* XXX not yet*/ 431 432 /* Set VIDDONE signal delay after FRAME signal */ 433 /* XXX not yet*/ 434 tx_conf_write(tc, TX3912_VIDEOCTRL4_REG, reg); 435 436 /* Clear frame buffer */ 437 vaddr = MIPS_PHYS_TO_KSEG1(fb_addr); 438 memset((void*)vaddr, 0, fb_size); 439 } 440 441 void 442 tx3912video_resolution_init(struct video_chip *chip) 443 { 444 int h, v, split, bit8, horzval, lineval; 445 tx_chipset_tag_t tc = chip->vc_v; 446 txreg_t reg; 447 u_int32_t val; 448 449 h = chip->vc_fbwidth; 450 v = chip->vc_fbheight; 451 reg = tx_conf_read(tc, TX3912_VIDEOCTRL1_REG); 452 split = reg & TX3912_VIDEOCTRL1_DISPSPLIT; 453 bit8 = (TX3912_VIDEOCTRL1_BITSEL(reg) == 454 TX3912_VIDEOCTRL1_BITSEL_8BITCOLOR); 455 val = TX3912_VIDEOCTRL1_BITSEL(reg); 456 457 if ((val == TX3912_VIDEOCTRL1_BITSEL_8BITCOLOR) && !split) { 458 /* (LCD horizontal pixels / 8bit) * RGB - 1 */ 459 horzval = (h / 8) * 3 - 1; 460 } else { 461 horzval = h / 4 - 1; 462 } 463 lineval = (split ? v / 2 : v) - 1; 464 465 /* Video rate */ 466 /* XXX 467 * probably This value should be determined from DFINT and LCDINT 468 */ 469 reg = TX3912_VIDEOCTRL2_VIDRATE_SET(0, horzval + 1); 470 /* Horizontal size of LCD */ 471 reg = TX3912_VIDEOCTRL2_HORZVAL_SET(reg, horzval); 472 /* # of lines for the LCD */ 473 reg = TX3912_VIDEOCTRL2_LINEVAL_SET(reg, lineval); 474 475 tx_conf_write(tc, TX3912_VIDEOCTRL2_REG, reg); 476 } 477 478 void 479 tx3912video_reset(struct video_chip *chip) 480 { 481 tx_chipset_tag_t tc = chip->vc_v; 482 txreg_t reg; 483 484 reg = tx_conf_read(tc, TX3912_VIDEOCTRL1_REG); 485 486 /* Disable video logic at end of this frame */ 487 reg |= TX3912_VIDEOCTRL1_ENFREEZEFRAME; 488 tx_conf_write(tc, TX3912_VIDEOCTRL1_REG, reg); 489 490 /* Wait for end of frame */ 491 delay(30 * 1000); 492 493 /* Make sure to disable video logic */ 494 reg &= ~TX3912_VIDEOCTRL1_ENVID; 495 tx_conf_write(tc, TX3912_VIDEOCTRL1_REG, reg); 496 497 delay(1000); 498 499 /* Enable video logic again */ 500 reg &= ~TX3912_VIDEOCTRL1_ENFREEZEFRAME; 501 reg |= TX3912_VIDEOCTRL1_ENVID; 502 tx_conf_write(tc, TX3912_VIDEOCTRL1_REG, reg); 503 504 delay(1000); 505 } 506 507 int 508 tx3912video_ioctl(void *v, u_long cmd, void *data, int flag, struct lwp *l) 509 { 510 struct tx3912video_softc *sc = (struct tx3912video_softc *)v; 511 struct hpcfb_fbconf *fbconf; 512 struct hpcfb_dspconf *dspconf; 513 struct wsdisplay_cmap *cmap; 514 u_int8_t *r, *g, *b; 515 u_int32_t *rgb; 516 int idx, cnt, error; 517 518 switch (cmd) { 519 case WSDISPLAYIO_GETCMAP: 520 cmap = (struct wsdisplay_cmap *)data; 521 cnt = cmap->count; 522 idx = cmap->index; 523 524 if (sc->sc_fbconf.hf_class != HPCFB_CLASS_INDEXCOLOR || 525 sc->sc_fbconf.hf_pack_width != 8 || 526 !LEGAL_CLUT_INDEX(idx) || 527 !LEGAL_CLUT_INDEX(idx + cnt - 1)) { 528 return (EINVAL); 529 } 530 531 error = cmap_work_alloc(&r, &g, &b, &rgb, cnt); 532 if (error) 533 goto out; 534 tx3912video_clut_get(sc, rgb, idx, cnt); 535 rgb24_decompose(rgb, r, g, b, cnt); 536 537 error = copyout(r, cmap->red, cnt); 538 if (error) 539 goto out; 540 error = copyout(g, cmap->green,cnt); 541 if (error) 542 goto out; 543 error = copyout(b, cmap->blue, cnt); 544 545 out: 546 cmap_work_free(r, g, b, rgb); 547 return error; 548 549 case WSDISPLAYIO_PUTCMAP: 550 /* 551 * TX3912 can't change CLUT index. R:G:B = 3:3:2 552 */ 553 return (0); 554 555 case HPCFBIO_GCONF: 556 fbconf = (struct hpcfb_fbconf *)data; 557 if (fbconf->hf_conf_index != 0 && 558 fbconf->hf_conf_index != HPCFB_CURRENT_CONFIG) { 559 return (EINVAL); 560 } 561 *fbconf = sc->sc_fbconf; /* structure assignment */ 562 return (0); 563 564 case HPCFBIO_SCONF: 565 fbconf = (struct hpcfb_fbconf *)data; 566 if (fbconf->hf_conf_index != 0 && 567 fbconf->hf_conf_index != HPCFB_CURRENT_CONFIG) { 568 return (EINVAL); 569 } 570 /* 571 * nothing to do because we have only one configuration 572 */ 573 return (0); 574 575 case HPCFBIO_GDSPCONF: 576 dspconf = (struct hpcfb_dspconf *)data; 577 if ((dspconf->hd_unit_index != 0 && 578 dspconf->hd_unit_index != HPCFB_CURRENT_UNIT) || 579 (dspconf->hd_conf_index != 0 && 580 dspconf->hd_conf_index != HPCFB_CURRENT_CONFIG)) { 581 return (EINVAL); 582 } 583 *dspconf = sc->sc_dspconf; /* structure assignment */ 584 return (0); 585 586 case HPCFBIO_SDSPCONF: 587 dspconf = (struct hpcfb_dspconf *)data; 588 if ((dspconf->hd_unit_index != 0 && 589 dspconf->hd_unit_index != HPCFB_CURRENT_UNIT) || 590 (dspconf->hd_conf_index != 0 && 591 dspconf->hd_conf_index != HPCFB_CURRENT_CONFIG)) { 592 return (EINVAL); 593 } 594 /* 595 * nothing to do 596 * because we have only one unit and one configuration 597 */ 598 return (0); 599 600 case HPCFBIO_GOP: 601 case HPCFBIO_SOP: 602 /* XXX not implemented yet */ 603 return (EINVAL); 604 } 605 606 return (EPASSTHROUGH); 607 } 608 609 paddr_t 610 tx3912video_mmap(void *ctx, off_t offset, int prot) 611 { 612 struct tx3912video_softc *sc = (struct tx3912video_softc *)ctx; 613 614 if (offset < 0 || (sc->sc_fbconf.hf_bytes_per_plane + 615 sc->sc_fbconf.hf_offset) < offset) { 616 return (-1); 617 } 618 619 return (mips_btop(sc->sc_chip->vc_fbpaddr + offset)); 620 } 621 622 /* 623 * CLUT staff 624 */ 625 static const struct { 626 int mul, div; 627 } dither_list [] = { 628 [TX3912_VIDEO_DITHER_DUTYCYCLE_1] = { 1, 1 }, 629 [TX3912_VIDEO_DITHER_DUTYCYCLE_6_7] = { 6, 7 }, 630 [TX3912_VIDEO_DITHER_DUTYCYCLE_4_5] = { 4, 5 }, 631 [TX3912_VIDEO_DITHER_DUTYCYCLE_3_4] = { 3, 4 }, 632 [TX3912_VIDEO_DITHER_DUTYCYCLE_5_7] = { 5, 7 }, 633 [TX3912_VIDEO_DITHER_DUTYCYCLE_2_3] = { 2, 3 }, 634 [TX3912_VIDEO_DITHER_DUTYCYCLE_3_5] = { 3, 5 }, 635 [TX3912_VIDEO_DITHER_DUTYCYCLE_4_7] = { 4, 7 }, 636 [TX3912_VIDEO_DITHER_DUTYCYCLE_2_4] = { 2, 4 }, 637 [TX3912_VIDEO_DITHER_DUTYCYCLE_3_7] = { 3, 7 }, 638 [TX3912_VIDEO_DITHER_DUTYCYCLE_2_5] = { 2, 5 }, 639 [TX3912_VIDEO_DITHER_DUTYCYCLE_1_3] = { 1, 3 }, 640 [TX3912_VIDEO_DITHER_DUTYCYCLE_2_7] = { 2, 7 }, 641 [TX3912_VIDEO_DITHER_DUTYCYCLE_1_5] = { 1, 5 }, 642 [TX3912_VIDEO_DITHER_DUTYCYCLE_1_7] = { 1, 7 }, 643 [TX3912_VIDEO_DITHER_DUTYCYCLE_0] = { 0, 1 } 644 }, *dlp; 645 646 static const int dither_level8[8] = { 647 TX3912_VIDEO_DITHER_DUTYCYCLE_0, 648 TX3912_VIDEO_DITHER_DUTYCYCLE_2_7, 649 TX3912_VIDEO_DITHER_DUTYCYCLE_2_5, 650 TX3912_VIDEO_DITHER_DUTYCYCLE_2_4, 651 TX3912_VIDEO_DITHER_DUTYCYCLE_3_5, 652 TX3912_VIDEO_DITHER_DUTYCYCLE_5_7, 653 TX3912_VIDEO_DITHER_DUTYCYCLE_4_5, 654 TX3912_VIDEO_DITHER_DUTYCYCLE_1, 655 }; 656 657 static const int dither_level4[4] = { 658 TX3912_VIDEO_DITHER_DUTYCYCLE_0, 659 TX3912_VIDEO_DITHER_DUTYCYCLE_1_3, 660 TX3912_VIDEO_DITHER_DUTYCYCLE_5_7, 661 TX3912_VIDEO_DITHER_DUTYCYCLE_1, 662 }; 663 664 static int 665 __get_color8(int luti) 666 { 667 KASSERT(luti >=0 && luti < 8); 668 dlp = &dither_list[dither_level8[luti]]; 669 670 return ((0xff * dlp->mul) / dlp->div); 671 } 672 673 static int 674 __get_color4(int luti) 675 { 676 KASSERT(luti >=0 && luti < 4); 677 dlp = &dither_list[dither_level4[luti]]; 678 679 return ((0xff * dlp->mul) / dlp->div); 680 } 681 682 void 683 tx3912video_clut_get(struct tx3912video_softc *sc, u_int32_t *rgb, int beg, 684 int cnt) 685 { 686 int i; 687 688 KASSERT(rgb); 689 KASSERT(LEGAL_CLUT_INDEX(beg)); 690 KASSERT(LEGAL_CLUT_INDEX(beg + cnt - 1)); 691 692 for (i = beg; i < beg + cnt; i++) { 693 *rgb++ = RGB24(__get_color8((i >> 5) & 0x7), 694 __get_color8((i >> 2) & 0x7), 695 __get_color4(i & 0x3)); 696 } 697 } 698 699 void 700 tx3912video_clut_install(void *ctx, struct rasops_info *ri) 701 { 702 struct tx3912video_softc *sc = ctx; 703 static const int system_cmap[0x10] = { 704 TX3912VIDEO_BLACK, 705 TX3912VIDEO_RED, 706 TX3912VIDEO_GREEN, 707 TX3912VIDEO_YELLOW, 708 TX3912VIDEO_BLUE, 709 TX3912VIDEO_MAGENTA, 710 TX3912VIDEO_CYAN, 711 TX3912VIDEO_WHITE, 712 TX3912VIDEO_DARK_BLACK, 713 TX3912VIDEO_DARK_RED, 714 TX3912VIDEO_DARK_GREEN, 715 TX3912VIDEO_DARK_YELLOW, 716 TX3912VIDEO_DARK_BLUE, 717 TX3912VIDEO_DARK_MAGENTA, 718 TX3912VIDEO_DARK_CYAN, 719 TX3912VIDEO_DARK_WHITE, 720 }; 721 722 KASSERT(ri); 723 724 if (sc->sc_chip->vc_fbdepth == 8) { 725 /* XXX 2bit gray scale LUT not supported */ 726 memcpy(ri->ri_devcmap, system_cmap, sizeof system_cmap); 727 } 728 } 729 730 void 731 tx3912video_clut_init(struct tx3912video_softc *sc) 732 { 733 tx_chipset_tag_t tc = sc->sc_chip->vc_v; 734 735 if (sc->sc_chip->vc_fbdepth != 8) { 736 return; /* XXX 2bit gray scale LUT not supported */ 737 } 738 739 /* 740 * time-based dithering pattern (TOSHIBA recommended pattern) 741 */ 742 /* 2/3, 1/3 */ 743 tx_conf_write(tc, TX3912_VIDEOCTRL8_REG, 744 TX3912_VIDEOCTRL8_PAT2_3_DEFAULT); 745 /* 3/4, 2/4 */ 746 tx_conf_write(tc, TX3912_VIDEOCTRL9_REG, 747 (TX3912_VIDEOCTRL9_PAT3_4_DEFAULT << 16) | 748 TX3912_VIDEOCTRL9_PAT2_4_DEFAULT); 749 /* 4/5, 1/5 */ 750 tx_conf_write(tc, TX3912_VIDEOCTRL10_REG, 751 TX3912_VIDEOCTRL10_PAT4_5_DEFAULT); 752 /* 3/5, 2/5 */ 753 tx_conf_write(tc, TX3912_VIDEOCTRL11_REG, 754 TX3912_VIDEOCTRL11_PAT3_5_DEFAULT); 755 /* 6/7, 1/7 */ 756 tx_conf_write(tc, TX3912_VIDEOCTRL12_REG, 757 TX3912_VIDEOCTRL12_PAT6_7_DEFAULT); 758 /* 5/7, 2/7 */ 759 tx_conf_write(tc, TX3912_VIDEOCTRL13_REG, 760 TX3912_VIDEOCTRL13_PAT5_7_DEFAULT); 761 /* 4/7, 3/7 */ 762 tx_conf_write(tc, TX3912_VIDEOCTRL14_REG, 763 TX3912_VIDEOCTRL14_PAT4_7_DEFAULT); 764 765 /* 766 * dither-pattern look-up table. (selected by uch) 767 */ 768 /* red */ 769 tx_conf_write(tc, TX3912_VIDEOCTRL5_REG, 770 (dither_level8[7] << 28) | 771 (dither_level8[6] << 24) | 772 (dither_level8[5] << 20) | 773 (dither_level8[4] << 16) | 774 (dither_level8[3] << 12) | 775 (dither_level8[2] << 8) | 776 (dither_level8[1] << 4) | 777 (dither_level8[0] << 0)); 778 /* green */ 779 tx_conf_write(tc, TX3912_VIDEOCTRL6_REG, 780 (dither_level8[7] << 28) | 781 (dither_level8[6] << 24) | 782 (dither_level8[5] << 20) | 783 (dither_level8[4] << 16) | 784 (dither_level8[3] << 12) | 785 (dither_level8[2] << 8) | 786 (dither_level8[1] << 4) | 787 (dither_level8[0] << 0)); 788 /* blue (2bit gray scale also use this look-up table) */ 789 tx_conf_write(tc, TX3912_VIDEOCTRL7_REG, 790 (dither_level4[3] << 12) | 791 (dither_level4[2] << 8) | 792 (dither_level4[1] << 4) | 793 (dither_level4[0] << 0)); 794 795 tx3912video_reset(sc->sc_chip); 796 } 797
Indexes created Fri Oct 31 11:10:07 GMT 2025