pxa2x0_lcd.c revision 1.11
1 /* $NetBSD: pxa2x0_lcd.c,v 1.11 2005/12/11 12:16:52 christos Exp $ */ 2 3 /* 4 * Copyright (c) 2002 Genetec Corporation. All rights reserved. 5 * Written by Hiroyuki Bessho for Genetec Corporation. 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 for the NetBSD Project by 18 * Genetec Corporation. 19 * 4. The name of Genetec Corporation may not be used to endorse or 20 * promote products derived from this software without specific prior 21 * written permission. 22 * 23 * THIS SOFTWARE IS PROVIDED BY GENETEC CORPORATION ``AS IS'' AND 24 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED 25 * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR 26 * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL GENETEC CORPORATION 27 * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR 28 * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF 29 * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS 30 * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN 31 * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) 32 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE 33 * POSSIBILITY OF SUCH DAMAGE. 34 */ 35 36 /* 37 * Support PXA2[15]0's integrated LCD controller. 38 */ 39 40 #include <sys/cdefs.h> 41 __KERNEL_RCSID(0, "$NetBSD: pxa2x0_lcd.c,v 1.11 2005/12/11 12:16:52 christos Exp $"); 42 43 #include <sys/param.h> 44 #include <sys/systm.h> 45 #include <sys/conf.h> 46 #include <sys/uio.h> 47 #include <sys/malloc.h> 48 #include <sys/kernel.h> /* for cold */ 49 50 #include <uvm/uvm_extern.h> 51 52 #include <dev/cons.h> 53 #include <dev/wscons/wsconsio.h> 54 #include <dev/wscons/wsdisplayvar.h> 55 #include <dev/wscons/wscons_callbacks.h> 56 #include <dev/rasops/rasops.h> 57 #include <dev/wsfont/wsfont.h> 58 59 #include <machine/bus.h> 60 #include <machine/cpu.h> 61 #include <arm/cpufunc.h> 62 63 #include <arm/xscale/pxa2x0cpu.h> 64 #include <arm/xscale/pxa2x0var.h> 65 #include <arm/xscale/pxa2x0reg.h> 66 #include <arm/xscale/pxa2x0_lcd.h> 67 #include <arm/xscale/pxa2x0_gpio.h> 68 69 #include "wsdisplay.h" 70 71 int lcdintr(void *); 72 73 void 74 pxa2x0_lcd_geometry(struct pxa2x0_lcd_softc *sc, 75 const struct lcd_panel_geometry *info) 76 { 77 int lines; 78 bus_space_tag_t iot = sc->iot; 79 bus_space_handle_t ioh = sc->ioh; 80 uint32_t ccr0; 81 82 sc->geometry = info; 83 84 ccr0 = LCCR0_IMASK; 85 if (info->panel_info & LCDPANEL_ACTIVE) 86 ccr0 |= LCCR0_PAS; /* active mode */ 87 if ((info->panel_info & (LCDPANEL_DUAL|LCDPANEL_ACTIVE)) 88 == LCDPANEL_DUAL) 89 ccr0 |= LCCR0_SDS; /* dual panel */ 90 if (info->panel_info & LCDPANEL_MONOCHROME) 91 ccr0 |= LCCR0_CMS; 92 bus_space_write_4(iot, ioh, LCDC_LCCR0, ccr0); 93 94 bus_space_write_4(iot, ioh, LCDC_LCCR1, 95 (info->panel_width-1) 96 | ((info->hsync_pulse_width-1)<<10) 97 | ((info->end_line_wait-1)<<16) 98 | ((info->beg_line_wait-1)<<24)); 99 100 if (info->panel_info & LCDPANEL_DUAL) 101 lines = info->panel_height/2 + info->extra_lines; 102 else 103 lines = info->panel_height + info->extra_lines; 104 105 bus_space_write_4(iot, ioh, LCDC_LCCR2, 106 (lines-1) 107 | (info->vsync_pulse_width<<10) 108 | (info->end_frame_wait<<16) 109 | (info->beg_frame_wait<<24)); 110 111 bus_space_write_4(iot, ioh, LCDC_LCCR3, 112 (info->pixel_clock_div<<0) 113 | (info->ac_bias << 8) 114 | ((info->panel_info & 115 (LCDPANEL_VSP|LCDPANEL_HSP|LCDPANEL_PCP|LCDPANEL_OEP)) 116 <<20) 117 | (4 << 24) /* 16bpp */ 118 | ((info->panel_info & LCDPANEL_DPC) ? (1<<27) : 0) 119 ); 120 } 121 122 void 123 pxa2x0_lcd_attach_sub(struct pxa2x0_lcd_softc *sc, 124 struct pxaip_attach_args *pxa, const struct lcd_panel_geometry *geom) 125 { 126 bus_space_tag_t iot = pxa->pxa_iot; 127 bus_space_handle_t ioh; 128 int error, nldd; 129 130 sc->n_screens = 0; 131 LIST_INIT(&sc->screens); 132 133 /* map controller registers */ 134 error = bus_space_map(iot, PXA2X0_LCDC_BASE, 135 PXA2X0_LCDC_SIZE, 0, &ioh); 136 if (error) { 137 printf(": failed to map registers %d", error); 138 return; 139 } 140 141 sc->iot = iot; 142 sc->ioh = ioh; 143 sc->dma_tag = &pxa2x0_bus_dma_tag; 144 145 sc->ih = pxa2x0_intr_establish(17, IPL_BIO, lcdintr, sc); 146 if (sc->ih == NULL) 147 printf("%s: unable to establish interrupt at irq %d", 148 sc->dev.dv_xname, 17); 149 150 /* Initialize LCD controller */ 151 152 /* enable clock */ 153 pxa2x0_clkman_config(CKEN_LCD, 1); 154 155 bus_space_write_4(iot, ioh, LCDC_LCCR0, LCCR0_IMASK); 156 157 /* 158 * setup GP[77:58] for LCD 159 */ 160 /* Always use [FLP]CLK, ACBIAS */ 161 pxa2x0_gpio_set_function(74, GPIO_ALT_FN_2_OUT); 162 pxa2x0_gpio_set_function(75, GPIO_ALT_FN_2_OUT); 163 pxa2x0_gpio_set_function(76, GPIO_ALT_FN_2_OUT); 164 pxa2x0_gpio_set_function(77, GPIO_ALT_FN_2_OUT); 165 166 if ((geom->panel_info & LCDPANEL_ACTIVE) || 167 ((geom->panel_info & (LCDPANEL_MONOCHROME|LCDPANEL_DUAL)) == 168 LCDPANEL_DUAL)) { 169 /* active and color dual panel need L_DD[15:0] */ 170 nldd = 16; 171 } else 172 if ((geom->panel_info & LCDPANEL_DUAL) || 173 !(geom->panel_info & LCDPANEL_MONOCHROME)) { 174 /* dual or color need L_DD[7:0] */ 175 nldd = 8; 176 } else { 177 /* Otherwise just L_DD[3:0] */ 178 nldd = 4; 179 } 180 181 if (CPU_IS_PXA270 && nldd==16) { 182 pxa2x0_gpio_set_function(86, GPIO_ALT_FN_2_OUT); 183 pxa2x0_gpio_set_function(87, GPIO_ALT_FN_2_OUT); 184 } 185 while (nldd--) 186 pxa2x0_gpio_set_function(58 + nldd, GPIO_ALT_FN_2_OUT); 187 188 pxa2x0_lcd_geometry(sc, geom); 189 } 190 191 192 int 193 lcdintr(void *arg) 194 { 195 struct pxa2x0_lcd_softc *sc = arg; 196 bus_space_tag_t iot = sc->iot; 197 bus_space_handle_t ioh = sc->ioh; 198 199 static uint32_t status; 200 201 status = bus_space_read_4(iot, ioh, LCDC_LCSR); 202 /* Clear stickey status bits */ 203 bus_space_write_4(iot, ioh, LCDC_LCSR, status); 204 205 return 1; 206 } 207 208 void 209 pxa2x0_lcd_start_dma(struct pxa2x0_lcd_softc *sc, 210 struct pxa2x0_lcd_screen *scr) 211 { 212 uint32_t tmp; 213 bus_space_tag_t iot = sc->iot; 214 bus_space_handle_t ioh = sc->ioh; 215 int val, save; 216 217 save = disable_interrupts(I32_bit); 218 219 switch (scr->depth) { 220 case 1: val = 0; break; 221 case 2: val = 1; break; 222 case 4: val = 2; break; 223 case 8: val = 3; break; 224 case 16: val = 4; break; 225 case 18: val = 5; break; 226 case 24: val = 33; break; 227 default: 228 val = 4; break; 229 } 230 231 tmp = bus_space_read_4(iot, ioh, LCDC_LCCR3); 232 if (CPU_IS_PXA270) 233 bus_space_write_4(iot, ioh, LCDC_LCCR3, 234 (tmp & ~(LCCR3_BPP|(1<<29))) | (val << LCCR3_BPP_SHIFT)); 235 else 236 bus_space_write_4(iot, ioh, LCDC_LCCR3, 237 (tmp & ~LCCR3_BPP) | (val << LCCR3_BPP_SHIFT)); 238 239 bus_space_write_4(iot, ioh, LCDC_FDADR0, 240 scr->depth >= 16 ? scr->dma_desc_pa : 241 scr->dma_desc_pa + 2 * sizeof (struct lcd_dma_descriptor)); 242 bus_space_write_4(iot, ioh, LCDC_FDADR1, 243 scr->dma_desc_pa + 1 * sizeof (struct lcd_dma_descriptor)); 244 245 /* clear status */ 246 bus_space_write_4(iot, ioh, LCDC_LCSR, 0); 247 248 delay(1000); /* ??? */ 249 250 /* Enable LCDC */ 251 tmp = bus_space_read_4(iot, ioh, LCDC_LCCR0); 252 /*tmp &= ~LCCR0_SFM;*/ 253 bus_space_write_4(iot, ioh, LCDC_LCCR0, tmp | LCCR0_ENB); 254 255 restore_interrupts(save); 256 257 } 258 259 260 #if NWSDISPLAY > 0 261 static void 262 pxa2x0_lcd_stop_dma(struct pxa2x0_lcd_softc *sc) 263 { 264 /* Stop LCD DMA after current frame */ 265 bus_space_write_4(sc->iot, sc->ioh, LCDC_LCCR0, 266 LCCR0_DIS | 267 bus_space_read_4(sc->iot, sc->ioh, LCDC_LCCR0)); 268 269 /* wait for disabling done. 270 XXX: use interrupt. */ 271 while (LCCR0_ENB & 272 bus_space_read_4(sc->iot, sc->ioh, LCDC_LCCR0)) 273 ; 274 275 bus_space_write_4(sc->iot, sc->ioh, LCDC_LCCR0, 276 ~LCCR0_DIS & 277 bus_space_read_4(sc->iot, sc->ioh, LCDC_LCCR0)); 278 } 279 #endif 280 281 #define _rgb(r,g,b) (((r)<<11) | ((g)<<5) | b) 282 #define rgb(r,g,b) _rgb((r)>>1,g,(b)>>1) 283 284 #define L 0x1f /* low intensity */ 285 #define H 0x3f /* hight intensity */ 286 287 static uint16_t basic_color_map[] = { 288 rgb( 0, 0, 0), /* black */ 289 rgb( L, 0, 0), /* red */ 290 rgb( 0, L, 0), /* green */ 291 rgb( L, L, 0), /* brown */ 292 rgb( 0, 0, L), /* blue */ 293 rgb( L, 0, L), /* magenta */ 294 rgb( 0, L, L), /* cyan */ 295 _rgb(0x1c,0x38,0x1c), /* white */ 296 297 rgb( L, L, L), /* black */ 298 rgb( H, 0, 0), /* red */ 299 rgb( 0, H, 0), /* green */ 300 rgb( H, H, 0), /* brown */ 301 rgb( 0, 0, H), /* blue */ 302 rgb( H, 0, H), /* magenta */ 303 rgb( 0, H, H), /* cyan */ 304 rgb( H, H, H) 305 }; 306 307 #undef H 308 #undef L 309 310 static void 311 init_pallet(uint16_t *buf, int depth) 312 { 313 int i; 314 315 /* convert RGB332 to RGB565 */ 316 switch (depth) { 317 case 8: 318 case 4: 319 #if 0 320 for (i=0; i <= 255; ++i) { 321 buf[i] = ((9 * ((i>>5) & 0x07)) <<11) | 322 ((9 * ((i>>2) & 0x07)) << 5) | 323 ((21 * (i & 0x03))/2); 324 } 325 #else 326 memcpy(buf, basic_color_map, sizeof basic_color_map); 327 for (i=16; i < (1<<depth); ++i) 328 buf[i] = 0xffff; 329 #endif 330 break; 331 case 16: 332 /* pallet is not needed */ 333 break; 334 default: 335 /* other depths are not supported */ 336 break; 337 } 338 } 339 340 struct pxa2x0_lcd_screen * 341 pxa2x0_lcd_new_screen(struct pxa2x0_lcd_softc *sc, 342 int depth) 343 { 344 struct pxa2x0_lcd_screen *scr = NULL; 345 int width, height; 346 bus_size_t size; 347 int error, pallet_size; 348 int busdma_flag = (cold ? BUS_DMA_NOWAIT : BUS_DMA_WAITOK); 349 struct lcd_dma_descriptor *desc; 350 paddr_t buf_pa, desc_pa; 351 352 width = sc->geometry->panel_width; 353 height = sc->geometry->panel_height; 354 pallet_size = 0; 355 356 switch (depth) { 357 case 1: 358 case 2: 359 case 4: 360 case 8: 361 pallet_size = (1<<depth) * sizeof (uint16_t); 362 /* FALLTHROUGH */ 363 case 16: 364 size = roundup(width,4)*depth/8 * height; 365 break; 366 case 18: 367 case 24: 368 size = roundup(width,4) * 4 * height; 369 break; 370 case 19: 371 case 25: 372 printf("%s: Not supported depth (%d)\n", sc->dev.dv_xname, depth); 373 return NULL; 374 default: 375 printf("%s: Unknown depth (%d)\n", sc->dev.dv_xname, depth); 376 return NULL; 377 } 378 379 scr = malloc(sizeof *scr, M_DEVBUF, 380 M_ZERO | (cold ? M_NOWAIT : M_WAITOK)); 381 382 if (scr == NULL) 383 return NULL; 384 385 scr->nsegs = 0; 386 scr->depth = depth; 387 scr->buf_size = size; 388 scr->buf_va = NULL; 389 size = roundup(size,16) + 3 * sizeof (struct lcd_dma_descriptor) 390 + pallet_size; 391 392 error = bus_dmamem_alloc(sc->dma_tag, size, 16, 0, 393 scr->segs, 1, &(scr->nsegs), busdma_flag); 394 395 if (error || scr->nsegs != 1) { 396 /* XXX: Actually we can handle nsegs>1 case by means 397 of multiple DMA descriptors for a panel. it will 398 makes code here a bit hairly */ 399 goto bad; 400 } 401 402 error = bus_dmamem_map(sc->dma_tag, scr->segs, scr->nsegs, 403 size, (caddr_t *)&(scr->buf_va), busdma_flag | BUS_DMA_COHERENT); 404 if (error) 405 goto bad; 406 407 408 memset (scr->buf_va, 0, scr->buf_size); 409 410 /* map memory for DMA */ 411 if (bus_dmamap_create(sc->dma_tag, 1024*1024*2, 1, 412 1024*1024*2, 0, busdma_flag, &scr->dma)) 413 goto bad; 414 error = bus_dmamap_load(sc->dma_tag, scr->dma, 415 scr->buf_va, size, NULL, busdma_flag); 416 if (error) { 417 goto bad; 418 } 419 420 buf_pa = scr->segs[0].ds_addr; 421 desc_pa = buf_pa + roundup(size, PAGE_SIZE) - 3*sizeof *desc; 422 423 /* make descriptors at the top of mapped memory */ 424 desc = (struct lcd_dma_descriptor *)( 425 (caddr_t)(scr->buf_va) + roundup(size, PAGE_SIZE) - 426 3*sizeof *desc); 427 428 desc[0].fdadr = desc_pa; 429 desc[0].fsadr = buf_pa; 430 desc[0].ldcmd = scr->buf_size; 431 432 if (pallet_size) { 433 init_pallet((uint16_t *)((char *)desc - pallet_size), depth); 434 435 desc[2].fdadr = desc_pa; /* chain to panel 0 */ 436 desc[2].fsadr = desc_pa - pallet_size; 437 desc[2].ldcmd = pallet_size | LDCMD_PAL; 438 } 439 440 if (sc->geometry->panel_info & LCDPANEL_DUAL) { 441 /* Dual panel */ 442 desc[1].fdadr = desc_pa + sizeof *desc; 443 desc[1].fsadr = buf_pa + scr->buf_size/2; 444 desc[0].ldcmd = desc[1].ldcmd = scr->buf_size/2; 445 446 } 447 448 #if 0 449 desc[0].ldcmd |= LDCMD_SOFINT; 450 desc[1].ldcmd |= LDCMD_SOFINT; 451 #endif 452 453 scr->dma_desc = desc; 454 scr->dma_desc_pa = desc_pa; 455 scr->map_size = size; /* used when unmap this. */ 456 457 LIST_INSERT_HEAD(&(sc->screens), scr, link); 458 sc->n_screens++; 459 460 return scr; 461 462 bad: 463 if (scr) { 464 if (scr->buf_va) 465 bus_dmamem_unmap(sc->dma_tag, scr->buf_va, size); 466 if (scr->nsegs) 467 bus_dmamem_free(sc->dma_tag, scr->segs, scr->nsegs); 468 free(scr, M_DEVBUF); 469 } 470 return NULL; 471 } 472 473 474 #if NWSDISPLAY > 0 475 476 /* 477 * Initialize struct wsscreen_descr based on values calculated by 478 * raster operation subsystem. 479 */ 480 int 481 pxa2x0_lcd_setup_wsscreen(struct pxa2x0_wsscreen_descr *descr, 482 const struct lcd_panel_geometry *geom, 483 const char *fontname) 484 { 485 int width = geom->panel_width; 486 int height = geom->panel_height; 487 int cookie = -1; 488 struct rasops_info rinfo; 489 490 memset(&rinfo, 0, sizeof rinfo); 491 492 if (fontname) { 493 wsfont_init(); 494 cookie = wsfont_find(fontname, 0, 0, 0, 495 WSDISPLAY_FONTORDER_L2R, WSDISPLAY_FONTORDER_L2R); 496 if (cookie < 0 || 497 wsfont_lock(cookie, &rinfo.ri_font)) 498 return -1; 499 } 500 else { 501 /* let rasops_init() choose any font */ 502 } 503 504 /* let rasops_init calculate # of cols and rows in character */ 505 rinfo.ri_flg = 0; 506 rinfo.ri_depth = descr->depth; 507 rinfo.ri_bits = NULL; 508 rinfo.ri_width = width; 509 rinfo.ri_height = height; 510 rinfo.ri_stride = width * rinfo.ri_depth / 8; 511 #ifdef CPU_XSCALE_PXA270 512 if (rinfo.ri_depth > 16) rinfo.ri_stride = width * 4; 513 #endif 514 rinfo.ri_wsfcookie = cookie; 515 516 rasops_init(&rinfo, 100, 100); 517 518 descr->c.nrows = rinfo.ri_rows; 519 descr->c.ncols = rinfo.ri_cols; 520 descr->c.capabilities = rinfo.ri_caps; 521 522 return cookie; 523 } 524 525 526 int 527 pxa2x0_lcd_show_screen(void *v, void *cookie, int waitok, 528 void (*cb)(void *, int, int), void *cbarg) 529 { 530 struct pxa2x0_lcd_softc *sc = v; 531 struct pxa2x0_lcd_screen *scr = cookie, *old; 532 533 old = sc->active; 534 if (old == scr) 535 return 0; 536 537 if (old) 538 pxa2x0_lcd_stop_dma(sc); 539 540 pxa2x0_lcd_start_dma(sc, scr); 541 542 sc->active = scr; 543 return 0; 544 } 545 546 int 547 pxa2x0_lcd_alloc_screen(void *v, const struct wsscreen_descr *_type, 548 void **cookiep, int *curxp, int *curyp, long *attrp) 549 { 550 struct pxa2x0_lcd_softc *sc = v; 551 struct pxa2x0_lcd_screen *scr; 552 const struct pxa2x0_wsscreen_descr *type = 553 (const struct pxa2x0_wsscreen_descr *)_type; 554 555 scr = pxa2x0_lcd_new_screen(sc, type->depth); 556 if (scr == NULL) 557 return -1; 558 559 /* 560 * initialize raster operation for this screen. 561 */ 562 scr->rinfo.ri_flg = 0; 563 scr->rinfo.ri_depth = type->depth; 564 scr->rinfo.ri_bits = scr->buf_va; 565 scr->rinfo.ri_width = sc->geometry->panel_width; 566 scr->rinfo.ri_height = sc->geometry->panel_height; 567 scr->rinfo.ri_stride = scr->rinfo.ri_width * scr->rinfo.ri_depth / 8; 568 #ifdef CPU_XSCALE_PXA270 569 if (scr->rinfo.ri_depth > 16) 570 scr->rinfo.ri_stride = scr->rinfo.ri_width * 4; 571 #endif 572 scr->rinfo.ri_wsfcookie = -1; /* XXX */ 573 574 rasops_init(&scr->rinfo, type->c.nrows, type->c.ncols); 575 576 (* scr->rinfo.ri_ops.allocattr)(&scr->rinfo, 0, 0, 0, attrp); 577 578 *cookiep = scr; 579 *curxp = 0; 580 *curyp = 0; 581 582 return 0; 583 } 584 585 586 void 587 pxa2x0_lcd_free_screen(void *v, void *cookie) 588 { 589 struct pxa2x0_lcd_softc *sc = v; 590 struct pxa2x0_lcd_screen *scr = cookie; 591 592 LIST_REMOVE(scr, link); 593 sc->n_screens--; 594 if (scr == sc->active) { 595 /* at first, we need to stop LCD DMA */ 596 sc->active = NULL; 597 598 printf("lcd_free on active screen\n"); 599 600 pxa2x0_lcd_stop_dma(sc); 601 } 602 603 if (scr->buf_va) 604 bus_dmamem_unmap(sc->dma_tag, scr->buf_va, scr->map_size); 605 606 if (scr->nsegs > 0) 607 bus_dmamem_free(sc->dma_tag, scr->segs, scr->nsegs); 608 609 free(scr, M_DEVBUF); 610 } 611 612 int 613 pxa2x0_lcd_ioctl(void *v, u_long cmd, caddr_t data, int flag, struct lwp *l) 614 { 615 struct pxa2x0_lcd_softc *sc = v; 616 struct wsdisplay_fbinfo *wsdisp_info; 617 uint32_t ccr0; 618 619 switch (cmd) { 620 case WSDISPLAYIO_GTYPE: 621 *(u_int *)data = WSDISPLAY_TYPE_UNKNOWN; /* XXX */ 622 return 0; 623 624 case WSDISPLAYIO_GINFO: 625 wsdisp_info = (struct wsdisplay_fbinfo *)data; 626 627 wsdisp_info->height = sc->geometry->panel_height; 628 wsdisp_info->width = sc->geometry->panel_width; 629 wsdisp_info->depth = sc->active->depth; 630 wsdisp_info->cmsize = 0; 631 return 0; 632 633 case WSDISPLAYIO_GETCMAP: 634 case WSDISPLAYIO_PUTCMAP: 635 return EPASSTHROUGH; /* XXX Colormap */ 636 637 case WSDISPLAYIO_SVIDEO: 638 if (*(int *)data == WSDISPLAYIO_VIDEO_ON) { 639 /* turn it on */ 640 } 641 else { 642 /* start LCD shutdown */ 643 /* sleep until interrupt */ 644 } 645 return 0; 646 647 case WSDISPLAYIO_GVIDEO: 648 ccr0 = bus_space_read_4(sc->iot, sc->ioh, LCDC_LCCR0); 649 *(u_int *)data = (ccr0 & (LCCR0_ENB|LCCR0_DIS)) == LCCR0_ENB ? 650 WSDISPLAYIO_VIDEO_ON : WSDISPLAYIO_VIDEO_OFF; 651 return 0; 652 653 654 655 case WSDISPLAYIO_GCURPOS: 656 case WSDISPLAYIO_SCURPOS: 657 case WSDISPLAYIO_GCURMAX: 658 case WSDISPLAYIO_GCURSOR: 659 case WSDISPLAYIO_SCURSOR: 660 return EPASSTHROUGH; /* XXX */ 661 } 662 663 return EPASSTHROUGH; 664 } 665 666 paddr_t 667 pxa2x0_lcd_mmap(void *v, off_t offset, int prot) 668 { 669 struct pxa2x0_lcd_softc *sc = v; 670 struct pxa2x0_lcd_screen *screen = sc->active; /* ??? */ 671 672 if (screen == NULL) 673 return -1; 674 675 return bus_dmamem_mmap(sc->dma_tag, screen->segs, screen->nsegs, 676 offset, prot, BUS_DMA_WAITOK|BUS_DMA_COHERENT); 677 return -1; 678 } 679 680 681 static void 682 pxa2x0_lcd_cursor(void *cookie, int on, int row, int col) 683 { 684 struct pxa2x0_lcd_screen *scr = cookie; 685 686 (* scr->rinfo.ri_ops.cursor)(&scr->rinfo, on, row, col); 687 } 688 689 static int 690 pxa2x0_lcd_mapchar(void *cookie, int c, unsigned int *cp) 691 { 692 struct pxa2x0_lcd_screen *scr = cookie; 693 694 return (* scr->rinfo.ri_ops.mapchar)(&scr->rinfo, c, cp); 695 } 696 697 static void 698 pxa2x0_lcd_putchar(void *cookie, int row, int col, u_int uc, long attr) 699 { 700 struct pxa2x0_lcd_screen *scr = cookie; 701 702 (* scr->rinfo.ri_ops.putchar)(&scr->rinfo, 703 row, col, uc, attr); 704 } 705 706 static void 707 pxa2x0_lcd_copycols(void *cookie, int row, int src, int dst, int num) 708 { 709 struct pxa2x0_lcd_screen *scr = cookie; 710 711 (* scr->rinfo.ri_ops.copycols)(&scr->rinfo, 712 row, src, dst, num); 713 } 714 715 static void 716 pxa2x0_lcd_erasecols(void *cookie, int row, int col, int num, long attr) 717 { 718 struct pxa2x0_lcd_screen *scr = cookie; 719 720 (* scr->rinfo.ri_ops.erasecols)(&scr->rinfo, 721 row, col, num, attr); 722 } 723 724 static void 725 pxa2x0_lcd_copyrows(void *cookie, int src, int dst, int num) 726 { 727 struct pxa2x0_lcd_screen *scr = cookie; 728 729 (* scr->rinfo.ri_ops.copyrows)(&scr->rinfo, 730 src, dst, num); 731 } 732 733 static void 734 pxa2x0_lcd_eraserows(void *cookie, int row, int num, long attr) 735 { 736 struct pxa2x0_lcd_screen *scr = cookie; 737 738 (* scr->rinfo.ri_ops.eraserows)(&scr->rinfo, 739 row, num, attr); 740 } 741 742 static int 743 pxa2x0_lcd_alloc_attr(void *cookie, int fg, int bg, int flg, long *attr) 744 { 745 struct pxa2x0_lcd_screen *scr = cookie; 746 747 return (* scr->rinfo.ri_ops.allocattr)(&scr->rinfo, 748 fg, bg, flg, attr); 749 } 750 751 752 const struct wsdisplay_emulops pxa2x0_lcd_emulops = { 753 pxa2x0_lcd_cursor, 754 pxa2x0_lcd_mapchar, 755 pxa2x0_lcd_putchar, 756 pxa2x0_lcd_copycols, 757 pxa2x0_lcd_erasecols, 758 pxa2x0_lcd_copyrows, 759 pxa2x0_lcd_eraserows, 760 pxa2x0_lcd_alloc_attr 761 }; 762 763 #endif /* NWSDISPLAY > 0 */ 764
Indexes created Sun Sep 28 16:09:52 GMT 2025