1 /* 2 * OMAP2 Display Subsystem. 3 * 4 * Copyright (C) 2008 Nokia Corporation 5 * Written by Andrzej Zaborowski <andrew@openedhand.com> 6 * 7 * This program is free software; you can redistribute it and/or 8 * modify it under the terms of the GNU General Public License as 9 * published by the Free Software Foundation; either version 2 or 10 * (at your option) version 3 of the License. 11 * 12 * This program is distributed in the hope that it will be useful, 13 * but WITHOUT ANY WARRANTY; without even the implied warranty of 14 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the 15 * GNU General Public License for more details. 16 * 17 * You should have received a copy of the GNU General Public License along 18 * with this program; if not, see <http://www.gnu.org/licenses/>. 19 */ 20 21 #include "qemu/osdep.h" 22 #include "hw/hw.h" 23 #include "hw/irq.h" 24 #include "ui/console.h" 25 #include "hw/arm/omap.h" 26 27 struct omap_dss_s { 28 qemu_irq irq; 29 qemu_irq drq; 30 DisplayState *state; 31 MemoryRegion iomem_diss1, iomem_disc1, iomem_rfbi1, iomem_venc1, iomem_im3; 32 33 int autoidle; 34 int control; 35 int enable; 36 37 struct omap_dss_panel_s { 38 int enable; 39 int nx; 40 int ny; 41 42 int x; 43 int y; 44 } dig, lcd; 45 46 struct { 47 uint32_t idlemode; 48 uint32_t irqst; 49 uint32_t irqen; 50 uint32_t control; 51 uint32_t config; 52 uint32_t capable; 53 uint32_t timing[4]; 54 int line; 55 uint32_t bg[2]; 56 uint32_t trans[2]; 57 58 struct omap_dss_plane_s { 59 int enable; 60 int bpp; 61 int posx; 62 int posy; 63 int nx; 64 int ny; 65 66 hwaddr addr[3]; 67 68 uint32_t attr; 69 uint32_t tresh; 70 int rowinc; 71 int colinc; 72 int wininc; 73 } l[3]; 74 75 int invalidate; 76 uint16_t palette[256]; 77 } dispc; 78 79 struct { 80 int idlemode; 81 uint32_t control; 82 int enable; 83 int pixels; 84 int busy; 85 int skiplines; 86 uint16_t rxbuf; 87 uint32_t config[2]; 88 uint32_t time[4]; 89 uint32_t data[6]; 90 uint16_t vsync; 91 uint16_t hsync; 92 struct rfbi_chip_s *chip[2]; 93 } rfbi; 94 }; 95 96 static void omap_dispc_interrupt_update(struct omap_dss_s *s) 97 { 98 qemu_set_irq(s->irq, s->dispc.irqst & s->dispc.irqen); 99 } 100 101 static void omap_rfbi_reset(struct omap_dss_s *s) 102 { 103 s->rfbi.idlemode = 0; 104 s->rfbi.control = 2; 105 s->rfbi.enable = 0; 106 s->rfbi.pixels = 0; 107 s->rfbi.skiplines = 0; 108 s->rfbi.busy = 0; 109 s->rfbi.config[0] = 0x00310000; 110 s->rfbi.config[1] = 0x00310000; 111 s->rfbi.time[0] = 0; 112 s->rfbi.time[1] = 0; 113 s->rfbi.time[2] = 0; 114 s->rfbi.time[3] = 0; 115 s->rfbi.data[0] = 0; 116 s->rfbi.data[1] = 0; 117 s->rfbi.data[2] = 0; 118 s->rfbi.data[3] = 0; 119 s->rfbi.data[4] = 0; 120 s->rfbi.data[5] = 0; 121 s->rfbi.vsync = 0; 122 s->rfbi.hsync = 0; 123 } 124 125 void omap_dss_reset(struct omap_dss_s *s) 126 { 127 s->autoidle = 0; 128 s->control = 0; 129 s->enable = 0; 130 131 s->dig.enable = 0; 132 s->dig.nx = 1; 133 s->dig.ny = 1; 134 135 s->lcd.enable = 0; 136 s->lcd.nx = 1; 137 s->lcd.ny = 1; 138 139 s->dispc.idlemode = 0; 140 s->dispc.irqst = 0; 141 s->dispc.irqen = 0; 142 s->dispc.control = 0; 143 s->dispc.config = 0; 144 s->dispc.capable = 0x161; 145 s->dispc.timing[0] = 0; 146 s->dispc.timing[1] = 0; 147 s->dispc.timing[2] = 0; 148 s->dispc.timing[3] = 0; 149 s->dispc.line = 0; 150 s->dispc.bg[0] = 0; 151 s->dispc.bg[1] = 0; 152 s->dispc.trans[0] = 0; 153 s->dispc.trans[1] = 0; 154 155 s->dispc.l[0].enable = 0; 156 s->dispc.l[0].bpp = 0; 157 s->dispc.l[0].addr[0] = 0; 158 s->dispc.l[0].addr[1] = 0; 159 s->dispc.l[0].addr[2] = 0; 160 s->dispc.l[0].posx = 0; 161 s->dispc.l[0].posy = 0; 162 s->dispc.l[0].nx = 1; 163 s->dispc.l[0].ny = 1; 164 s->dispc.l[0].attr = 0; 165 s->dispc.l[0].tresh = 0; 166 s->dispc.l[0].rowinc = 1; 167 s->dispc.l[0].colinc = 1; 168 s->dispc.l[0].wininc = 0; 169 170 omap_rfbi_reset(s); 171 omap_dispc_interrupt_update(s); 172 } 173 174 static uint64_t omap_diss_read(void *opaque, hwaddr addr, 175 unsigned size) 176 { 177 struct omap_dss_s *s = (struct omap_dss_s *) opaque; 178 179 if (size != 4) { 180 return omap_badwidth_read32(opaque, addr); 181 } 182 183 switch (addr) { 184 case 0x00: /* DSS_REVISIONNUMBER */ 185 return 0x20; 186 187 case 0x10: /* DSS_SYSCONFIG */ 188 return s->autoidle; 189 190 case 0x14: /* DSS_SYSSTATUS */ 191 return 1; /* RESETDONE */ 192 193 case 0x40: /* DSS_CONTROL */ 194 return s->control; 195 196 case 0x50: /* DSS_PSA_LCD_REG_1 */ 197 case 0x54: /* DSS_PSA_LCD_REG_2 */ 198 case 0x58: /* DSS_PSA_VIDEO_REG */ 199 /* TODO: fake some values when appropriate s->control bits are set */ 200 return 0; 201 202 case 0x5c: /* DSS_STATUS */ 203 return 1 + (s->control & 1); 204 205 default: 206 break; 207 } 208 OMAP_BAD_REG(addr); 209 return 0; 210 } 211 212 static void omap_diss_write(void *opaque, hwaddr addr, 213 uint64_t value, unsigned size) 214 { 215 struct omap_dss_s *s = (struct omap_dss_s *) opaque; 216 217 if (size != 4) { 218 omap_badwidth_write32(opaque, addr, value); 219 return; 220 } 221 222 switch (addr) { 223 case 0x00: /* DSS_REVISIONNUMBER */ 224 case 0x14: /* DSS_SYSSTATUS */ 225 case 0x50: /* DSS_PSA_LCD_REG_1 */ 226 case 0x54: /* DSS_PSA_LCD_REG_2 */ 227 case 0x58: /* DSS_PSA_VIDEO_REG */ 228 case 0x5c: /* DSS_STATUS */ 229 OMAP_RO_REG(addr); 230 break; 231 232 case 0x10: /* DSS_SYSCONFIG */ 233 if (value & 2) /* SOFTRESET */ 234 omap_dss_reset(s); 235 s->autoidle = value & 1; 236 break; 237 238 case 0x40: /* DSS_CONTROL */ 239 s->control = value & 0x3dd; 240 break; 241 242 default: 243 OMAP_BAD_REG(addr); 244 } 245 } 246 247 static const MemoryRegionOps omap_diss_ops = { 248 .read = omap_diss_read, 249 .write = omap_diss_write, 250 .endianness = DEVICE_NATIVE_ENDIAN, 251 }; 252 253 static uint64_t omap_disc_read(void *opaque, hwaddr addr, 254 unsigned size) 255 { 256 struct omap_dss_s *s = (struct omap_dss_s *) opaque; 257 258 if (size != 4) { 259 return omap_badwidth_read32(opaque, addr); 260 } 261 262 switch (addr) { 263 case 0x000: /* DISPC_REVISION */ 264 return 0x20; 265 266 case 0x010: /* DISPC_SYSCONFIG */ 267 return s->dispc.idlemode; 268 269 case 0x014: /* DISPC_SYSSTATUS */ 270 return 1; /* RESETDONE */ 271 272 case 0x018: /* DISPC_IRQSTATUS */ 273 return s->dispc.irqst; 274 275 case 0x01c: /* DISPC_IRQENABLE */ 276 return s->dispc.irqen; 277 278 case 0x040: /* DISPC_CONTROL */ 279 return s->dispc.control; 280 281 case 0x044: /* DISPC_CONFIG */ 282 return s->dispc.config; 283 284 case 0x048: /* DISPC_CAPABLE */ 285 return s->dispc.capable; 286 287 case 0x04c: /* DISPC_DEFAULT_COLOR0 */ 288 return s->dispc.bg[0]; 289 case 0x050: /* DISPC_DEFAULT_COLOR1 */ 290 return s->dispc.bg[1]; 291 case 0x054: /* DISPC_TRANS_COLOR0 */ 292 return s->dispc.trans[0]; 293 case 0x058: /* DISPC_TRANS_COLOR1 */ 294 return s->dispc.trans[1]; 295 296 case 0x05c: /* DISPC_LINE_STATUS */ 297 return 0x7ff; 298 case 0x060: /* DISPC_LINE_NUMBER */ 299 return s->dispc.line; 300 301 case 0x064: /* DISPC_TIMING_H */ 302 return s->dispc.timing[0]; 303 case 0x068: /* DISPC_TIMING_V */ 304 return s->dispc.timing[1]; 305 case 0x06c: /* DISPC_POL_FREQ */ 306 return s->dispc.timing[2]; 307 case 0x070: /* DISPC_DIVISOR */ 308 return s->dispc.timing[3]; 309 310 case 0x078: /* DISPC_SIZE_DIG */ 311 return ((s->dig.ny - 1) << 16) | (s->dig.nx - 1); 312 case 0x07c: /* DISPC_SIZE_LCD */ 313 return ((s->lcd.ny - 1) << 16) | (s->lcd.nx - 1); 314 315 case 0x080: /* DISPC_GFX_BA0 */ 316 return s->dispc.l[0].addr[0]; 317 case 0x084: /* DISPC_GFX_BA1 */ 318 return s->dispc.l[0].addr[1]; 319 case 0x088: /* DISPC_GFX_POSITION */ 320 return (s->dispc.l[0].posy << 16) | s->dispc.l[0].posx; 321 case 0x08c: /* DISPC_GFX_SIZE */ 322 return ((s->dispc.l[0].ny - 1) << 16) | (s->dispc.l[0].nx - 1); 323 case 0x0a0: /* DISPC_GFX_ATTRIBUTES */ 324 return s->dispc.l[0].attr; 325 case 0x0a4: /* DISPC_GFX_FIFO_TRESHOLD */ 326 return s->dispc.l[0].tresh; 327 case 0x0a8: /* DISPC_GFX_FIFO_SIZE_STATUS */ 328 return 256; 329 case 0x0ac: /* DISPC_GFX_ROW_INC */ 330 return s->dispc.l[0].rowinc; 331 case 0x0b0: /* DISPC_GFX_PIXEL_INC */ 332 return s->dispc.l[0].colinc; 333 case 0x0b4: /* DISPC_GFX_WINDOW_SKIP */ 334 return s->dispc.l[0].wininc; 335 case 0x0b8: /* DISPC_GFX_TABLE_BA */ 336 return s->dispc.l[0].addr[2]; 337 338 case 0x0bc: /* DISPC_VID1_BA0 */ 339 case 0x0c0: /* DISPC_VID1_BA1 */ 340 case 0x0c4: /* DISPC_VID1_POSITION */ 341 case 0x0c8: /* DISPC_VID1_SIZE */ 342 case 0x0cc: /* DISPC_VID1_ATTRIBUTES */ 343 case 0x0d0: /* DISPC_VID1_FIFO_TRESHOLD */ 344 case 0x0d4: /* DISPC_VID1_FIFO_SIZE_STATUS */ 345 case 0x0d8: /* DISPC_VID1_ROW_INC */ 346 case 0x0dc: /* DISPC_VID1_PIXEL_INC */ 347 case 0x0e0: /* DISPC_VID1_FIR */ 348 case 0x0e4: /* DISPC_VID1_PICTURE_SIZE */ 349 case 0x0e8: /* DISPC_VID1_ACCU0 */ 350 case 0x0ec: /* DISPC_VID1_ACCU1 */ 351 case 0x0f0 ... 0x140: /* DISPC_VID1_FIR_COEF, DISPC_VID1_CONV_COEF */ 352 case 0x14c: /* DISPC_VID2_BA0 */ 353 case 0x150: /* DISPC_VID2_BA1 */ 354 case 0x154: /* DISPC_VID2_POSITION */ 355 case 0x158: /* DISPC_VID2_SIZE */ 356 case 0x15c: /* DISPC_VID2_ATTRIBUTES */ 357 case 0x160: /* DISPC_VID2_FIFO_TRESHOLD */ 358 case 0x164: /* DISPC_VID2_FIFO_SIZE_STATUS */ 359 case 0x168: /* DISPC_VID2_ROW_INC */ 360 case 0x16c: /* DISPC_VID2_PIXEL_INC */ 361 case 0x170: /* DISPC_VID2_FIR */ 362 case 0x174: /* DISPC_VID2_PICTURE_SIZE */ 363 case 0x178: /* DISPC_VID2_ACCU0 */ 364 case 0x17c: /* DISPC_VID2_ACCU1 */ 365 case 0x180 ... 0x1d0: /* DISPC_VID2_FIR_COEF, DISPC_VID2_CONV_COEF */ 366 case 0x1d4: /* DISPC_DATA_CYCLE1 */ 367 case 0x1d8: /* DISPC_DATA_CYCLE2 */ 368 case 0x1dc: /* DISPC_DATA_CYCLE3 */ 369 return 0; 370 371 default: 372 break; 373 } 374 OMAP_BAD_REG(addr); 375 return 0; 376 } 377 378 static void omap_disc_write(void *opaque, hwaddr addr, 379 uint64_t value, unsigned size) 380 { 381 struct omap_dss_s *s = (struct omap_dss_s *) opaque; 382 383 if (size != 4) { 384 omap_badwidth_write32(opaque, addr, value); 385 return; 386 } 387 388 switch (addr) { 389 case 0x010: /* DISPC_SYSCONFIG */ 390 if (value & 2) /* SOFTRESET */ 391 omap_dss_reset(s); 392 s->dispc.idlemode = value & 0x301b; 393 break; 394 395 case 0x018: /* DISPC_IRQSTATUS */ 396 s->dispc.irqst &= ~value; 397 omap_dispc_interrupt_update(s); 398 break; 399 400 case 0x01c: /* DISPC_IRQENABLE */ 401 s->dispc.irqen = value & 0xffff; 402 omap_dispc_interrupt_update(s); 403 break; 404 405 case 0x040: /* DISPC_CONTROL */ 406 s->dispc.control = value & 0x07ff9fff; 407 s->dig.enable = (value >> 1) & 1; 408 s->lcd.enable = (value >> 0) & 1; 409 if (value & (1 << 12)) /* OVERLAY_OPTIMIZATION */ 410 if (!((s->dispc.l[1].attr | s->dispc.l[2].attr) & 1)) { 411 fprintf(stderr, "%s: Overlay Optimization when no overlay " 412 "region effectively exists leads to " 413 "unpredictable behaviour!\n", __func__); 414 } 415 if (value & (1 << 6)) { /* GODIGITAL */ 416 /* XXX: Shadowed fields are: 417 * s->dispc.config 418 * s->dispc.capable 419 * s->dispc.bg[0] 420 * s->dispc.bg[1] 421 * s->dispc.trans[0] 422 * s->dispc.trans[1] 423 * s->dispc.line 424 * s->dispc.timing[0] 425 * s->dispc.timing[1] 426 * s->dispc.timing[2] 427 * s->dispc.timing[3] 428 * s->lcd.nx 429 * s->lcd.ny 430 * s->dig.nx 431 * s->dig.ny 432 * s->dispc.l[0].addr[0] 433 * s->dispc.l[0].addr[1] 434 * s->dispc.l[0].addr[2] 435 * s->dispc.l[0].posx 436 * s->dispc.l[0].posy 437 * s->dispc.l[0].nx 438 * s->dispc.l[0].ny 439 * s->dispc.l[0].tresh 440 * s->dispc.l[0].rowinc 441 * s->dispc.l[0].colinc 442 * s->dispc.l[0].wininc 443 * All they need to be loaded here from their shadow registers. 444 */ 445 } 446 if (value & (1 << 5)) { /* GOLCD */ 447 /* XXX: Likewise for LCD here. */ 448 } 449 s->dispc.invalidate = 1; 450 break; 451 452 case 0x044: /* DISPC_CONFIG */ 453 s->dispc.config = value & 0x3fff; 454 /* XXX: 455 * bits 2:1 (LOADMODE) reset to 0 after set to 1 and palette loaded 456 * bits 2:1 (LOADMODE) reset to 2 after set to 3 and palette loaded 457 */ 458 s->dispc.invalidate = 1; 459 break; 460 461 case 0x048: /* DISPC_CAPABLE */ 462 s->dispc.capable = value & 0x3ff; 463 break; 464 465 case 0x04c: /* DISPC_DEFAULT_COLOR0 */ 466 s->dispc.bg[0] = value & 0xffffff; 467 s->dispc.invalidate = 1; 468 break; 469 case 0x050: /* DISPC_DEFAULT_COLOR1 */ 470 s->dispc.bg[1] = value & 0xffffff; 471 s->dispc.invalidate = 1; 472 break; 473 case 0x054: /* DISPC_TRANS_COLOR0 */ 474 s->dispc.trans[0] = value & 0xffffff; 475 s->dispc.invalidate = 1; 476 break; 477 case 0x058: /* DISPC_TRANS_COLOR1 */ 478 s->dispc.trans[1] = value & 0xffffff; 479 s->dispc.invalidate = 1; 480 break; 481 482 case 0x060: /* DISPC_LINE_NUMBER */ 483 s->dispc.line = value & 0x7ff; 484 break; 485 486 case 0x064: /* DISPC_TIMING_H */ 487 s->dispc.timing[0] = value & 0x0ff0ff3f; 488 break; 489 case 0x068: /* DISPC_TIMING_V */ 490 s->dispc.timing[1] = value & 0x0ff0ff3f; 491 break; 492 case 0x06c: /* DISPC_POL_FREQ */ 493 s->dispc.timing[2] = value & 0x0003ffff; 494 break; 495 case 0x070: /* DISPC_DIVISOR */ 496 s->dispc.timing[3] = value & 0x00ff00ff; 497 break; 498 499 case 0x078: /* DISPC_SIZE_DIG */ 500 s->dig.nx = ((value >> 0) & 0x7ff) + 1; /* PPL */ 501 s->dig.ny = ((value >> 16) & 0x7ff) + 1; /* LPP */ 502 s->dispc.invalidate = 1; 503 break; 504 case 0x07c: /* DISPC_SIZE_LCD */ 505 s->lcd.nx = ((value >> 0) & 0x7ff) + 1; /* PPL */ 506 s->lcd.ny = ((value >> 16) & 0x7ff) + 1; /* LPP */ 507 s->dispc.invalidate = 1; 508 break; 509 case 0x080: /* DISPC_GFX_BA0 */ 510 s->dispc.l[0].addr[0] = (hwaddr) value; 511 s->dispc.invalidate = 1; 512 break; 513 case 0x084: /* DISPC_GFX_BA1 */ 514 s->dispc.l[0].addr[1] = (hwaddr) value; 515 s->dispc.invalidate = 1; 516 break; 517 case 0x088: /* DISPC_GFX_POSITION */ 518 s->dispc.l[0].posx = ((value >> 0) & 0x7ff); /* GFXPOSX */ 519 s->dispc.l[0].posy = ((value >> 16) & 0x7ff); /* GFXPOSY */ 520 s->dispc.invalidate = 1; 521 break; 522 case 0x08c: /* DISPC_GFX_SIZE */ 523 s->dispc.l[0].nx = ((value >> 0) & 0x7ff) + 1; /* GFXSIZEX */ 524 s->dispc.l[0].ny = ((value >> 16) & 0x7ff) + 1; /* GFXSIZEY */ 525 s->dispc.invalidate = 1; 526 break; 527 case 0x0a0: /* DISPC_GFX_ATTRIBUTES */ 528 s->dispc.l[0].attr = value & 0x7ff; 529 if (value & (3 << 9)) 530 fprintf(stderr, "%s: Big-endian pixel format not supported\n", 531 __func__); 532 s->dispc.l[0].enable = value & 1; 533 s->dispc.l[0].bpp = (value >> 1) & 0xf; 534 s->dispc.invalidate = 1; 535 break; 536 case 0x0a4: /* DISPC_GFX_FIFO_TRESHOLD */ 537 s->dispc.l[0].tresh = value & 0x01ff01ff; 538 break; 539 case 0x0ac: /* DISPC_GFX_ROW_INC */ 540 s->dispc.l[0].rowinc = value; 541 s->dispc.invalidate = 1; 542 break; 543 case 0x0b0: /* DISPC_GFX_PIXEL_INC */ 544 s->dispc.l[0].colinc = value; 545 s->dispc.invalidate = 1; 546 break; 547 case 0x0b4: /* DISPC_GFX_WINDOW_SKIP */ 548 s->dispc.l[0].wininc = value; 549 break; 550 case 0x0b8: /* DISPC_GFX_TABLE_BA */ 551 s->dispc.l[0].addr[2] = (hwaddr) value; 552 s->dispc.invalidate = 1; 553 break; 554 555 case 0x0bc: /* DISPC_VID1_BA0 */ 556 case 0x0c0: /* DISPC_VID1_BA1 */ 557 case 0x0c4: /* DISPC_VID1_POSITION */ 558 case 0x0c8: /* DISPC_VID1_SIZE */ 559 case 0x0cc: /* DISPC_VID1_ATTRIBUTES */ 560 case 0x0d0: /* DISPC_VID1_FIFO_TRESHOLD */ 561 case 0x0d8: /* DISPC_VID1_ROW_INC */ 562 case 0x0dc: /* DISPC_VID1_PIXEL_INC */ 563 case 0x0e0: /* DISPC_VID1_FIR */ 564 case 0x0e4: /* DISPC_VID1_PICTURE_SIZE */ 565 case 0x0e8: /* DISPC_VID1_ACCU0 */ 566 case 0x0ec: /* DISPC_VID1_ACCU1 */ 567 case 0x0f0 ... 0x140: /* DISPC_VID1_FIR_COEF, DISPC_VID1_CONV_COEF */ 568 case 0x14c: /* DISPC_VID2_BA0 */ 569 case 0x150: /* DISPC_VID2_BA1 */ 570 case 0x154: /* DISPC_VID2_POSITION */ 571 case 0x158: /* DISPC_VID2_SIZE */ 572 case 0x15c: /* DISPC_VID2_ATTRIBUTES */ 573 case 0x160: /* DISPC_VID2_FIFO_TRESHOLD */ 574 case 0x168: /* DISPC_VID2_ROW_INC */ 575 case 0x16c: /* DISPC_VID2_PIXEL_INC */ 576 case 0x170: /* DISPC_VID2_FIR */ 577 case 0x174: /* DISPC_VID2_PICTURE_SIZE */ 578 case 0x178: /* DISPC_VID2_ACCU0 */ 579 case 0x17c: /* DISPC_VID2_ACCU1 */ 580 case 0x180 ... 0x1d0: /* DISPC_VID2_FIR_COEF, DISPC_VID2_CONV_COEF */ 581 case 0x1d4: /* DISPC_DATA_CYCLE1 */ 582 case 0x1d8: /* DISPC_DATA_CYCLE2 */ 583 case 0x1dc: /* DISPC_DATA_CYCLE3 */ 584 break; 585 586 default: 587 OMAP_BAD_REG(addr); 588 } 589 } 590 591 static const MemoryRegionOps omap_disc_ops = { 592 .read = omap_disc_read, 593 .write = omap_disc_write, 594 .endianness = DEVICE_NATIVE_ENDIAN, 595 }; 596 597 static void omap_rfbi_transfer_stop(struct omap_dss_s *s) 598 { 599 if (!s->rfbi.busy) 600 return; 601 602 /* TODO: in non-Bypass mode we probably need to just deassert the DRQ. */ 603 604 s->rfbi.busy = 0; 605 } 606 607 static void omap_rfbi_transfer_start(struct omap_dss_s *s) 608 { 609 void *data; 610 hwaddr len; 611 hwaddr data_addr; 612 int pitch; 613 static void *bounce_buffer; 614 static hwaddr bounce_len; 615 616 if (!s->rfbi.enable || s->rfbi.busy) 617 return; 618 619 if (s->rfbi.control & (1 << 1)) { /* BYPASS */ 620 /* TODO: in non-Bypass mode we probably need to just assert the 621 * DRQ and wait for DMA to write the pixels. */ 622 fprintf(stderr, "%s: Bypass mode unimplemented\n", __func__); 623 return; 624 } 625 626 if (!(s->dispc.control & (1 << 11))) /* RFBIMODE */ 627 return; 628 /* TODO: check that LCD output is enabled in DISPC. */ 629 630 s->rfbi.busy = 1; 631 632 len = s->rfbi.pixels * 2; 633 634 data_addr = s->dispc.l[0].addr[0]; 635 data = cpu_physical_memory_map(data_addr, &len, 0); 636 if (data && len != s->rfbi.pixels * 2) { 637 cpu_physical_memory_unmap(data, len, 0, 0); 638 data = NULL; 639 len = s->rfbi.pixels * 2; 640 } 641 if (!data) { 642 if (len > bounce_len) { 643 bounce_buffer = g_realloc(bounce_buffer, len); 644 } 645 data = bounce_buffer; 646 cpu_physical_memory_read(data_addr, data, len); 647 } 648 649 /* TODO bpp */ 650 s->rfbi.pixels = 0; 651 652 /* TODO: negative values */ 653 pitch = s->dispc.l[0].nx + (s->dispc.l[0].rowinc - 1) / 2; 654 655 if ((s->rfbi.control & (1 << 2)) && s->rfbi.chip[0]) 656 s->rfbi.chip[0]->block(s->rfbi.chip[0]->opaque, 1, data, len, pitch); 657 if ((s->rfbi.control & (1 << 3)) && s->rfbi.chip[1]) 658 s->rfbi.chip[1]->block(s->rfbi.chip[1]->opaque, 1, data, len, pitch); 659 660 if (data != bounce_buffer) { 661 cpu_physical_memory_unmap(data, len, 0, len); 662 } 663 664 omap_rfbi_transfer_stop(s); 665 666 /* TODO */ 667 s->dispc.irqst |= 1; /* FRAMEDONE */ 668 omap_dispc_interrupt_update(s); 669 } 670 671 static uint64_t omap_rfbi_read(void *opaque, hwaddr addr, 672 unsigned size) 673 { 674 struct omap_dss_s *s = (struct omap_dss_s *) opaque; 675 676 if (size != 4) { 677 return omap_badwidth_read32(opaque, addr); 678 } 679 680 switch (addr) { 681 case 0x00: /* RFBI_REVISION */ 682 return 0x10; 683 684 case 0x10: /* RFBI_SYSCONFIG */ 685 return s->rfbi.idlemode; 686 687 case 0x14: /* RFBI_SYSSTATUS */ 688 return 1 | (s->rfbi.busy << 8); /* RESETDONE */ 689 690 case 0x40: /* RFBI_CONTROL */ 691 return s->rfbi.control; 692 693 case 0x44: /* RFBI_PIXELCNT */ 694 return s->rfbi.pixels; 695 696 case 0x48: /* RFBI_LINE_NUMBER */ 697 return s->rfbi.skiplines; 698 699 case 0x58: /* RFBI_READ */ 700 case 0x5c: /* RFBI_STATUS */ 701 return s->rfbi.rxbuf; 702 703 case 0x60: /* RFBI_CONFIG0 */ 704 return s->rfbi.config[0]; 705 case 0x64: /* RFBI_ONOFF_TIME0 */ 706 return s->rfbi.time[0]; 707 case 0x68: /* RFBI_CYCLE_TIME0 */ 708 return s->rfbi.time[1]; 709 case 0x6c: /* RFBI_DATA_CYCLE1_0 */ 710 return s->rfbi.data[0]; 711 case 0x70: /* RFBI_DATA_CYCLE2_0 */ 712 return s->rfbi.data[1]; 713 case 0x74: /* RFBI_DATA_CYCLE3_0 */ 714 return s->rfbi.data[2]; 715 716 case 0x78: /* RFBI_CONFIG1 */ 717 return s->rfbi.config[1]; 718 case 0x7c: /* RFBI_ONOFF_TIME1 */ 719 return s->rfbi.time[2]; 720 case 0x80: /* RFBI_CYCLE_TIME1 */ 721 return s->rfbi.time[3]; 722 case 0x84: /* RFBI_DATA_CYCLE1_1 */ 723 return s->rfbi.data[3]; 724 case 0x88: /* RFBI_DATA_CYCLE2_1 */ 725 return s->rfbi.data[4]; 726 case 0x8c: /* RFBI_DATA_CYCLE3_1 */ 727 return s->rfbi.data[5]; 728 729 case 0x90: /* RFBI_VSYNC_WIDTH */ 730 return s->rfbi.vsync; 731 case 0x94: /* RFBI_HSYNC_WIDTH */ 732 return s->rfbi.hsync; 733 } 734 OMAP_BAD_REG(addr); 735 return 0; 736 } 737 738 static void omap_rfbi_write(void *opaque, hwaddr addr, 739 uint64_t value, unsigned size) 740 { 741 struct omap_dss_s *s = (struct omap_dss_s *) opaque; 742 743 if (size != 4) { 744 omap_badwidth_write32(opaque, addr, value); 745 return; 746 } 747 748 switch (addr) { 749 case 0x10: /* RFBI_SYSCONFIG */ 750 if (value & 2) /* SOFTRESET */ 751 omap_rfbi_reset(s); 752 s->rfbi.idlemode = value & 0x19; 753 break; 754 755 case 0x40: /* RFBI_CONTROL */ 756 s->rfbi.control = value & 0xf; 757 s->rfbi.enable = value & 1; 758 if (value & (1 << 4) && /* ITE */ 759 !(s->rfbi.config[0] & s->rfbi.config[1] & 0xc)) 760 omap_rfbi_transfer_start(s); 761 break; 762 763 case 0x44: /* RFBI_PIXELCNT */ 764 s->rfbi.pixels = value; 765 break; 766 767 case 0x48: /* RFBI_LINE_NUMBER */ 768 s->rfbi.skiplines = value & 0x7ff; 769 break; 770 771 case 0x4c: /* RFBI_CMD */ 772 if ((s->rfbi.control & (1 << 2)) && s->rfbi.chip[0]) 773 s->rfbi.chip[0]->write(s->rfbi.chip[0]->opaque, 0, value & 0xffff); 774 if ((s->rfbi.control & (1 << 3)) && s->rfbi.chip[1]) 775 s->rfbi.chip[1]->write(s->rfbi.chip[1]->opaque, 0, value & 0xffff); 776 break; 777 case 0x50: /* RFBI_PARAM */ 778 if ((s->rfbi.control & (1 << 2)) && s->rfbi.chip[0]) 779 s->rfbi.chip[0]->write(s->rfbi.chip[0]->opaque, 1, value & 0xffff); 780 if ((s->rfbi.control & (1 << 3)) && s->rfbi.chip[1]) 781 s->rfbi.chip[1]->write(s->rfbi.chip[1]->opaque, 1, value & 0xffff); 782 break; 783 case 0x54: /* RFBI_DATA */ 784 /* TODO: take into account the format set up in s->rfbi.config[?] and 785 * s->rfbi.data[?], but special-case the most usual scenario so that 786 * speed doesn't suffer. */ 787 if ((s->rfbi.control & (1 << 2)) && s->rfbi.chip[0]) { 788 s->rfbi.chip[0]->write(s->rfbi.chip[0]->opaque, 1, value & 0xffff); 789 s->rfbi.chip[0]->write(s->rfbi.chip[0]->opaque, 1, value >> 16); 790 } 791 if ((s->rfbi.control & (1 << 3)) && s->rfbi.chip[1]) { 792 s->rfbi.chip[1]->write(s->rfbi.chip[1]->opaque, 1, value & 0xffff); 793 s->rfbi.chip[1]->write(s->rfbi.chip[1]->opaque, 1, value >> 16); 794 } 795 if (!-- s->rfbi.pixels) 796 omap_rfbi_transfer_stop(s); 797 break; 798 case 0x58: /* RFBI_READ */ 799 if ((s->rfbi.control & (1 << 2)) && s->rfbi.chip[0]) 800 s->rfbi.rxbuf = s->rfbi.chip[0]->read(s->rfbi.chip[0]->opaque, 1); 801 else if ((s->rfbi.control & (1 << 3)) && s->rfbi.chip[1]) 802 s->rfbi.rxbuf = s->rfbi.chip[1]->read(s->rfbi.chip[1]->opaque, 1); 803 if (!-- s->rfbi.pixels) 804 omap_rfbi_transfer_stop(s); 805 break; 806 807 case 0x5c: /* RFBI_STATUS */ 808 if ((s->rfbi.control & (1 << 2)) && s->rfbi.chip[0]) 809 s->rfbi.rxbuf = s->rfbi.chip[0]->read(s->rfbi.chip[0]->opaque, 0); 810 else if ((s->rfbi.control & (1 << 3)) && s->rfbi.chip[1]) 811 s->rfbi.rxbuf = s->rfbi.chip[1]->read(s->rfbi.chip[1]->opaque, 0); 812 if (!-- s->rfbi.pixels) 813 omap_rfbi_transfer_stop(s); 814 break; 815 816 case 0x60: /* RFBI_CONFIG0 */ 817 s->rfbi.config[0] = value & 0x003f1fff; 818 break; 819 820 case 0x64: /* RFBI_ONOFF_TIME0 */ 821 s->rfbi.time[0] = value & 0x3fffffff; 822 break; 823 case 0x68: /* RFBI_CYCLE_TIME0 */ 824 s->rfbi.time[1] = value & 0x0fffffff; 825 break; 826 case 0x6c: /* RFBI_DATA_CYCLE1_0 */ 827 s->rfbi.data[0] = value & 0x0f1f0f1f; 828 break; 829 case 0x70: /* RFBI_DATA_CYCLE2_0 */ 830 s->rfbi.data[1] = value & 0x0f1f0f1f; 831 break; 832 case 0x74: /* RFBI_DATA_CYCLE3_0 */ 833 s->rfbi.data[2] = value & 0x0f1f0f1f; 834 break; 835 case 0x78: /* RFBI_CONFIG1 */ 836 s->rfbi.config[1] = value & 0x003f1fff; 837 break; 838 839 case 0x7c: /* RFBI_ONOFF_TIME1 */ 840 s->rfbi.time[2] = value & 0x3fffffff; 841 break; 842 case 0x80: /* RFBI_CYCLE_TIME1 */ 843 s->rfbi.time[3] = value & 0x0fffffff; 844 break; 845 case 0x84: /* RFBI_DATA_CYCLE1_1 */ 846 s->rfbi.data[3] = value & 0x0f1f0f1f; 847 break; 848 case 0x88: /* RFBI_DATA_CYCLE2_1 */ 849 s->rfbi.data[4] = value & 0x0f1f0f1f; 850 break; 851 case 0x8c: /* RFBI_DATA_CYCLE3_1 */ 852 s->rfbi.data[5] = value & 0x0f1f0f1f; 853 break; 854 855 case 0x90: /* RFBI_VSYNC_WIDTH */ 856 s->rfbi.vsync = value & 0xffff; 857 break; 858 case 0x94: /* RFBI_HSYNC_WIDTH */ 859 s->rfbi.hsync = value & 0xffff; 860 break; 861 862 default: 863 OMAP_BAD_REG(addr); 864 } 865 } 866 867 static const MemoryRegionOps omap_rfbi_ops = { 868 .read = omap_rfbi_read, 869 .write = omap_rfbi_write, 870 .endianness = DEVICE_NATIVE_ENDIAN, 871 }; 872 873 static uint64_t omap_venc_read(void *opaque, hwaddr addr, 874 unsigned size) 875 { 876 if (size != 4) { 877 return omap_badwidth_read32(opaque, addr); 878 } 879 880 switch (addr) { 881 case 0x00: /* REV_ID */ 882 case 0x04: /* STATUS */ 883 case 0x08: /* F_CONTROL */ 884 case 0x10: /* VIDOUT_CTRL */ 885 case 0x14: /* SYNC_CTRL */ 886 case 0x1c: /* LLEN */ 887 case 0x20: /* FLENS */ 888 case 0x24: /* HFLTR_CTRL */ 889 case 0x28: /* CC_CARR_WSS_CARR */ 890 case 0x2c: /* C_PHASE */ 891 case 0x30: /* GAIN_U */ 892 case 0x34: /* GAIN_V */ 893 case 0x38: /* GAIN_Y */ 894 case 0x3c: /* BLACK_LEVEL */ 895 case 0x40: /* BLANK_LEVEL */ 896 case 0x44: /* X_COLOR */ 897 case 0x48: /* M_CONTROL */ 898 case 0x4c: /* BSTAMP_WSS_DATA */ 899 case 0x50: /* S_CARR */ 900 case 0x54: /* LINE21 */ 901 case 0x58: /* LN_SEL */ 902 case 0x5c: /* L21__WC_CTL */ 903 case 0x60: /* HTRIGGER_VTRIGGER */ 904 case 0x64: /* SAVID__EAVID */ 905 case 0x68: /* FLEN__FAL */ 906 case 0x6c: /* LAL__PHASE_RESET */ 907 case 0x70: /* HS_INT_START_STOP_X */ 908 case 0x74: /* HS_EXT_START_STOP_X */ 909 case 0x78: /* VS_INT_START_X */ 910 case 0x7c: /* VS_INT_STOP_X__VS_INT_START_Y */ 911 case 0x80: /* VS_INT_STOP_Y__VS_INT_START_X */ 912 case 0x84: /* VS_EXT_STOP_X__VS_EXT_START_Y */ 913 case 0x88: /* VS_EXT_STOP_Y */ 914 case 0x90: /* AVID_START_STOP_X */ 915 case 0x94: /* AVID_START_STOP_Y */ 916 case 0xa0: /* FID_INT_START_X__FID_INT_START_Y */ 917 case 0xa4: /* FID_INT_OFFSET_Y__FID_EXT_START_X */ 918 case 0xa8: /* FID_EXT_START_Y__FID_EXT_OFFSET_Y */ 919 case 0xb0: /* TVDETGP_INT_START_STOP_X */ 920 case 0xb4: /* TVDETGP_INT_START_STOP_Y */ 921 case 0xb8: /* GEN_CTRL */ 922 case 0xc4: /* DAC_TST__DAC_A */ 923 case 0xc8: /* DAC_B__DAC_C */ 924 return 0; 925 926 default: 927 break; 928 } 929 OMAP_BAD_REG(addr); 930 return 0; 931 } 932 933 static void omap_venc_write(void *opaque, hwaddr addr, 934 uint64_t value, unsigned size) 935 { 936 if (size != 4) { 937 omap_badwidth_write32(opaque, addr, size); 938 return; 939 } 940 941 switch (addr) { 942 case 0x08: /* F_CONTROL */ 943 case 0x10: /* VIDOUT_CTRL */ 944 case 0x14: /* SYNC_CTRL */ 945 case 0x1c: /* LLEN */ 946 case 0x20: /* FLENS */ 947 case 0x24: /* HFLTR_CTRL */ 948 case 0x28: /* CC_CARR_WSS_CARR */ 949 case 0x2c: /* C_PHASE */ 950 case 0x30: /* GAIN_U */ 951 case 0x34: /* GAIN_V */ 952 case 0x38: /* GAIN_Y */ 953 case 0x3c: /* BLACK_LEVEL */ 954 case 0x40: /* BLANK_LEVEL */ 955 case 0x44: /* X_COLOR */ 956 case 0x48: /* M_CONTROL */ 957 case 0x4c: /* BSTAMP_WSS_DATA */ 958 case 0x50: /* S_CARR */ 959 case 0x54: /* LINE21 */ 960 case 0x58: /* LN_SEL */ 961 case 0x5c: /* L21__WC_CTL */ 962 case 0x60: /* HTRIGGER_VTRIGGER */ 963 case 0x64: /* SAVID__EAVID */ 964 case 0x68: /* FLEN__FAL */ 965 case 0x6c: /* LAL__PHASE_RESET */ 966 case 0x70: /* HS_INT_START_STOP_X */ 967 case 0x74: /* HS_EXT_START_STOP_X */ 968 case 0x78: /* VS_INT_START_X */ 969 case 0x7c: /* VS_INT_STOP_X__VS_INT_START_Y */ 970 case 0x80: /* VS_INT_STOP_Y__VS_INT_START_X */ 971 case 0x84: /* VS_EXT_STOP_X__VS_EXT_START_Y */ 972 case 0x88: /* VS_EXT_STOP_Y */ 973 case 0x90: /* AVID_START_STOP_X */ 974 case 0x94: /* AVID_START_STOP_Y */ 975 case 0xa0: /* FID_INT_START_X__FID_INT_START_Y */ 976 case 0xa4: /* FID_INT_OFFSET_Y__FID_EXT_START_X */ 977 case 0xa8: /* FID_EXT_START_Y__FID_EXT_OFFSET_Y */ 978 case 0xb0: /* TVDETGP_INT_START_STOP_X */ 979 case 0xb4: /* TVDETGP_INT_START_STOP_Y */ 980 case 0xb8: /* GEN_CTRL */ 981 case 0xc4: /* DAC_TST__DAC_A */ 982 case 0xc8: /* DAC_B__DAC_C */ 983 break; 984 985 default: 986 OMAP_BAD_REG(addr); 987 } 988 } 989 990 static const MemoryRegionOps omap_venc_ops = { 991 .read = omap_venc_read, 992 .write = omap_venc_write, 993 .endianness = DEVICE_NATIVE_ENDIAN, 994 }; 995 996 static uint64_t omap_im3_read(void *opaque, hwaddr addr, 997 unsigned size) 998 { 999 if (size != 4) { 1000 return omap_badwidth_read32(opaque, addr); 1001 } 1002 1003 switch (addr) { 1004 case 0x0a8: /* SBIMERRLOGA */ 1005 case 0x0b0: /* SBIMERRLOG */ 1006 case 0x190: /* SBIMSTATE */ 1007 case 0x198: /* SBTMSTATE_L */ 1008 case 0x19c: /* SBTMSTATE_H */ 1009 case 0x1a8: /* SBIMCONFIG_L */ 1010 case 0x1ac: /* SBIMCONFIG_H */ 1011 case 0x1f8: /* SBID_L */ 1012 case 0x1fc: /* SBID_H */ 1013 return 0; 1014 1015 default: 1016 break; 1017 } 1018 OMAP_BAD_REG(addr); 1019 return 0; 1020 } 1021 1022 static void omap_im3_write(void *opaque, hwaddr addr, 1023 uint64_t value, unsigned size) 1024 { 1025 if (size != 4) { 1026 omap_badwidth_write32(opaque, addr, value); 1027 return; 1028 } 1029 1030 switch (addr) { 1031 case 0x0b0: /* SBIMERRLOG */ 1032 case 0x190: /* SBIMSTATE */ 1033 case 0x198: /* SBTMSTATE_L */ 1034 case 0x19c: /* SBTMSTATE_H */ 1035 case 0x1a8: /* SBIMCONFIG_L */ 1036 case 0x1ac: /* SBIMCONFIG_H */ 1037 break; 1038 1039 default: 1040 OMAP_BAD_REG(addr); 1041 } 1042 } 1043 1044 static const MemoryRegionOps omap_im3_ops = { 1045 .read = omap_im3_read, 1046 .write = omap_im3_write, 1047 .endianness = DEVICE_NATIVE_ENDIAN, 1048 }; 1049 1050 struct omap_dss_s *omap_dss_init(struct omap_target_agent_s *ta, 1051 MemoryRegion *sysmem, 1052 hwaddr l3_base, 1053 qemu_irq irq, qemu_irq drq, 1054 omap_clk fck1, omap_clk fck2, omap_clk ck54m, 1055 omap_clk ick1, omap_clk ick2) 1056 { 1057 struct omap_dss_s *s = g_new0(struct omap_dss_s, 1); 1058 1059 s->irq = irq; 1060 s->drq = drq; 1061 omap_dss_reset(s); 1062 1063 memory_region_init_io(&s->iomem_diss1, NULL, &omap_diss_ops, s, "omap.diss1", 1064 omap_l4_region_size(ta, 0)); 1065 memory_region_init_io(&s->iomem_disc1, NULL, &omap_disc_ops, s, "omap.disc1", 1066 omap_l4_region_size(ta, 1)); 1067 memory_region_init_io(&s->iomem_rfbi1, NULL, &omap_rfbi_ops, s, "omap.rfbi1", 1068 omap_l4_region_size(ta, 2)); 1069 memory_region_init_io(&s->iomem_venc1, NULL, &omap_venc_ops, s, "omap.venc1", 1070 omap_l4_region_size(ta, 3)); 1071 memory_region_init_io(&s->iomem_im3, NULL, &omap_im3_ops, s, 1072 "omap.im3", 0x1000); 1073 1074 omap_l4_attach(ta, 0, &s->iomem_diss1); 1075 omap_l4_attach(ta, 1, &s->iomem_disc1); 1076 omap_l4_attach(ta, 2, &s->iomem_rfbi1); 1077 omap_l4_attach(ta, 3, &s->iomem_venc1); 1078 memory_region_add_subregion(sysmem, l3_base, &s->iomem_im3); 1079 1080 #if 0 1081 s->state = graphic_console_init(omap_update_display, 1082 omap_invalidate_display, omap_screen_dump, s); 1083 #endif 1084 1085 return s; 1086 } 1087 1088 void omap_rfbi_attach(struct omap_dss_s *s, int cs, struct rfbi_chip_s *chip) 1089 { 1090 if (cs < 0 || cs > 1) 1091 hw_error("%s: wrong CS %i\n", __func__, cs); 1092 s->rfbi.chip[cs] = chip; 1093 } 1094