1 /* 2 * QEMU TCX Frame buffer 3 * 4 * Copyright (c) 2003-2005 Fabrice Bellard 5 * 6 * Permission is hereby granted, free of charge, to any person obtaining a copy 7 * of this software and associated documentation files (the "Software"), to deal 8 * in the Software without restriction, including without limitation the rights 9 * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell 10 * copies of the Software, and to permit persons to whom the Software is 11 * furnished to do so, subject to the following conditions: 12 * 13 * The above copyright notice and this permission notice shall be included in 14 * all copies or substantial portions of the Software. 15 * 16 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR 17 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, 18 * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL 19 * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER 20 * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, 21 * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN 22 * THE SOFTWARE. 23 */ 24 25 #include "qemu/osdep.h" 26 #include "qemu/datadir.h" 27 #include "qapi/error.h" 28 #include "ui/console.h" 29 #include "ui/pixel_ops.h" 30 #include "hw/loader.h" 31 #include "hw/qdev-properties.h" 32 #include "hw/sysbus.h" 33 #include "migration/vmstate.h" 34 #include "qemu/error-report.h" 35 #include "qemu/module.h" 36 #include "qom/object.h" 37 38 #define TCX_ROM_FILE "QEMU,tcx.bin" 39 #define FCODE_MAX_ROM_SIZE 0x10000 40 41 #define MAXX 1024 42 #define MAXY 768 43 #define TCX_DAC_NREGS 16 44 #define TCX_THC_NREGS 0x1000 45 #define TCX_DHC_NREGS 0x4000 46 #define TCX_TEC_NREGS 0x1000 47 #define TCX_ALT_NREGS 0x8000 48 #define TCX_STIP_NREGS 0x800000 49 #define TCX_BLIT_NREGS 0x800000 50 #define TCX_RSTIP_NREGS 0x800000 51 #define TCX_RBLIT_NREGS 0x800000 52 53 #define TCX_THC_MISC 0x818 54 #define TCX_THC_CURSXY 0x8fc 55 #define TCX_THC_CURSMASK 0x900 56 #define TCX_THC_CURSBITS 0x980 57 58 #define TYPE_TCX "sun-tcx" 59 OBJECT_DECLARE_SIMPLE_TYPE(TCXState, TCX) 60 61 struct TCXState { 62 SysBusDevice parent_obj; 63 64 QemuConsole *con; 65 qemu_irq irq; 66 uint8_t *vram; 67 uint32_t *vram24, *cplane; 68 hwaddr prom_addr; 69 MemoryRegion rom; 70 MemoryRegion vram_mem; 71 MemoryRegion vram_8bit; 72 MemoryRegion vram_24bit; 73 MemoryRegion stip; 74 MemoryRegion blit; 75 MemoryRegion vram_cplane; 76 MemoryRegion rstip; 77 MemoryRegion rblit; 78 MemoryRegion tec; 79 MemoryRegion dac; 80 MemoryRegion thc; 81 MemoryRegion dhc; 82 MemoryRegion alt; 83 MemoryRegion thc24; 84 85 ram_addr_t vram24_offset, cplane_offset; 86 uint32_t tmpblit; 87 uint32_t vram_size; 88 uint32_t palette[260]; 89 uint8_t r[260], g[260], b[260]; 90 uint16_t width, height, depth; 91 uint8_t dac_index, dac_state; 92 uint32_t thcmisc; 93 uint32_t cursmask[32]; 94 uint32_t cursbits[32]; 95 uint16_t cursx; 96 uint16_t cursy; 97 }; 98 99 static void tcx_set_dirty(TCXState *s, ram_addr_t addr, int len) 100 { 101 memory_region_set_dirty(&s->vram_mem, addr, len); 102 103 if (s->depth == 24) { 104 memory_region_set_dirty(&s->vram_mem, s->vram24_offset + addr * 4, 105 len * 4); 106 memory_region_set_dirty(&s->vram_mem, s->cplane_offset + addr * 4, 107 len * 4); 108 } 109 } 110 111 static int tcx_check_dirty(TCXState *s, DirtyBitmapSnapshot *snap, 112 ram_addr_t addr, int len) 113 { 114 int ret; 115 116 ret = memory_region_snapshot_get_dirty(&s->vram_mem, snap, addr, len); 117 118 if (s->depth == 24) { 119 ret |= memory_region_snapshot_get_dirty(&s->vram_mem, snap, 120 s->vram24_offset + addr * 4, len * 4); 121 ret |= memory_region_snapshot_get_dirty(&s->vram_mem, snap, 122 s->cplane_offset + addr * 4, len * 4); 123 } 124 125 return ret; 126 } 127 128 static void update_palette_entries(TCXState *s, int start, int end) 129 { 130 int i; 131 132 for (i = start; i < end; i++) { 133 s->palette[i] = rgb_to_pixel32(s->r[i], s->g[i], s->b[i]); 134 } 135 tcx_set_dirty(s, 0, memory_region_size(&s->vram_mem)); 136 } 137 138 static void tcx_draw_line32(TCXState *s1, uint8_t *d, 139 const uint8_t *s, int width) 140 { 141 int x; 142 uint8_t val; 143 uint32_t *p = (uint32_t *)d; 144 145 for (x = 0; x < width; x++) { 146 val = *s++; 147 *p++ = s1->palette[val]; 148 } 149 } 150 151 static void tcx_draw_cursor32(TCXState *s1, uint8_t *d, 152 int y, int width) 153 { 154 int x, len; 155 uint32_t mask, bits; 156 uint32_t *p = (uint32_t *)d; 157 158 y = y - s1->cursy; 159 mask = s1->cursmask[y]; 160 bits = s1->cursbits[y]; 161 len = MIN(width - s1->cursx, 32); 162 p = &p[s1->cursx]; 163 for (x = 0; x < len; x++) { 164 if (mask & 0x80000000) { 165 if (bits & 0x80000000) { 166 *p = s1->palette[259]; 167 } else { 168 *p = s1->palette[258]; 169 } 170 } 171 p++; 172 mask <<= 1; 173 bits <<= 1; 174 } 175 } 176 177 /* 178 * XXX Could be much more optimal: 179 * detect if line/page/whole screen is in 24 bit mode 180 */ 181 static inline void tcx24_draw_line32(TCXState *s1, uint8_t *d, 182 const uint8_t *s, int width, 183 const uint32_t *cplane, 184 const uint32_t *s24) 185 { 186 int x, r, g, b; 187 uint8_t val, *p8; 188 uint32_t *p = (uint32_t *)d; 189 uint32_t dval; 190 for(x = 0; x < width; x++, s++, s24++) { 191 if (be32_to_cpu(*cplane) & 0x03000000) { 192 /* 24-bit direct, BGR order */ 193 p8 = (uint8_t *)s24; 194 p8++; 195 b = *p8++; 196 g = *p8++; 197 r = *p8; 198 dval = rgb_to_pixel32(r, g, b); 199 } else { 200 /* 8-bit pseudocolor */ 201 val = *s; 202 dval = s1->palette[val]; 203 } 204 *p++ = dval; 205 cplane++; 206 } 207 } 208 209 /* Fixed line length 1024 allows us to do nice tricks not possible on 210 VGA... */ 211 212 static void tcx_update_display(void *opaque) 213 { 214 TCXState *ts = opaque; 215 DisplaySurface *surface = qemu_console_surface(ts->con); 216 ram_addr_t page; 217 DirtyBitmapSnapshot *snap = NULL; 218 int y, y_start, dd, ds; 219 uint8_t *d, *s; 220 221 assert(surface_bits_per_pixel(surface) == 32); 222 223 page = 0; 224 y_start = -1; 225 d = surface_data(surface); 226 s = ts->vram; 227 dd = surface_stride(surface); 228 ds = 1024; 229 230 snap = memory_region_snapshot_and_clear_dirty(&ts->vram_mem, 0x0, 231 memory_region_size(&ts->vram_mem), 232 DIRTY_MEMORY_VGA); 233 234 for (y = 0; y < ts->height; y++, page += ds) { 235 if (tcx_check_dirty(ts, snap, page, ds)) { 236 if (y_start < 0) 237 y_start = y; 238 239 tcx_draw_line32(ts, d, s, ts->width); 240 if (y >= ts->cursy && y < ts->cursy + 32 && ts->cursx < ts->width) { 241 tcx_draw_cursor32(ts, d, y, ts->width); 242 } 243 } else { 244 if (y_start >= 0) { 245 /* flush to display */ 246 dpy_gfx_update(ts->con, 0, y_start, 247 ts->width, y - y_start); 248 y_start = -1; 249 } 250 } 251 s += ds; 252 d += dd; 253 } 254 if (y_start >= 0) { 255 /* flush to display */ 256 dpy_gfx_update(ts->con, 0, y_start, 257 ts->width, y - y_start); 258 } 259 g_free(snap); 260 } 261 262 static void tcx24_update_display(void *opaque) 263 { 264 TCXState *ts = opaque; 265 DisplaySurface *surface = qemu_console_surface(ts->con); 266 ram_addr_t page; 267 DirtyBitmapSnapshot *snap = NULL; 268 int y, y_start, dd, ds; 269 uint8_t *d, *s; 270 uint32_t *cptr, *s24; 271 272 assert(surface_bits_per_pixel(surface) == 32); 273 274 page = 0; 275 y_start = -1; 276 d = surface_data(surface); 277 s = ts->vram; 278 s24 = ts->vram24; 279 cptr = ts->cplane; 280 dd = surface_stride(surface); 281 ds = 1024; 282 283 snap = memory_region_snapshot_and_clear_dirty(&ts->vram_mem, 0x0, 284 memory_region_size(&ts->vram_mem), 285 DIRTY_MEMORY_VGA); 286 287 for (y = 0; y < ts->height; y++, page += ds) { 288 if (tcx_check_dirty(ts, snap, page, ds)) { 289 if (y_start < 0) 290 y_start = y; 291 292 tcx24_draw_line32(ts, d, s, ts->width, cptr, s24); 293 if (y >= ts->cursy && y < ts->cursy+32 && ts->cursx < ts->width) { 294 tcx_draw_cursor32(ts, d, y, ts->width); 295 } 296 } else { 297 if (y_start >= 0) { 298 /* flush to display */ 299 dpy_gfx_update(ts->con, 0, y_start, 300 ts->width, y - y_start); 301 y_start = -1; 302 } 303 } 304 d += dd; 305 s += ds; 306 cptr += ds; 307 s24 += ds; 308 } 309 if (y_start >= 0) { 310 /* flush to display */ 311 dpy_gfx_update(ts->con, 0, y_start, 312 ts->width, y - y_start); 313 } 314 g_free(snap); 315 } 316 317 static void tcx_invalidate_display(void *opaque) 318 { 319 TCXState *s = opaque; 320 321 tcx_set_dirty(s, 0, memory_region_size(&s->vram_mem)); 322 qemu_console_resize(s->con, s->width, s->height); 323 } 324 325 static void tcx24_invalidate_display(void *opaque) 326 { 327 TCXState *s = opaque; 328 329 tcx_set_dirty(s, 0, memory_region_size(&s->vram_mem)); 330 qemu_console_resize(s->con, s->width, s->height); 331 } 332 333 static int vmstate_tcx_post_load(void *opaque, int version_id) 334 { 335 TCXState *s = opaque; 336 337 update_palette_entries(s, 0, 256); 338 tcx_set_dirty(s, 0, memory_region_size(&s->vram_mem)); 339 return 0; 340 } 341 342 static const VMStateDescription vmstate_tcx = { 343 .name ="tcx", 344 .version_id = 4, 345 .minimum_version_id = 4, 346 .post_load = vmstate_tcx_post_load, 347 .fields = (const VMStateField[]) { 348 VMSTATE_UINT16(height, TCXState), 349 VMSTATE_UINT16(width, TCXState), 350 VMSTATE_UINT16(depth, TCXState), 351 VMSTATE_BUFFER(r, TCXState), 352 VMSTATE_BUFFER(g, TCXState), 353 VMSTATE_BUFFER(b, TCXState), 354 VMSTATE_UINT8(dac_index, TCXState), 355 VMSTATE_UINT8(dac_state, TCXState), 356 VMSTATE_END_OF_LIST() 357 } 358 }; 359 360 static void tcx_reset(DeviceState *d) 361 { 362 TCXState *s = TCX(d); 363 364 /* Initialize palette */ 365 memset(s->r, 0, 260); 366 memset(s->g, 0, 260); 367 memset(s->b, 0, 260); 368 s->r[255] = s->g[255] = s->b[255] = 255; 369 s->r[256] = s->g[256] = s->b[256] = 255; 370 s->r[258] = s->g[258] = s->b[258] = 255; 371 update_palette_entries(s, 0, 260); 372 memset(s->vram, 0, MAXX*MAXY); 373 memory_region_reset_dirty(&s->vram_mem, 0, MAXX * MAXY * (1 + 4 + 4), 374 DIRTY_MEMORY_VGA); 375 s->dac_index = 0; 376 s->dac_state = 0; 377 s->cursx = 0xf000; /* Put cursor off screen */ 378 s->cursy = 0xf000; 379 } 380 381 static uint64_t tcx_dac_readl(void *opaque, hwaddr addr, 382 unsigned size) 383 { 384 TCXState *s = opaque; 385 uint32_t val = 0; 386 387 switch (s->dac_state) { 388 case 0: 389 val = s->r[s->dac_index] << 24; 390 s->dac_state++; 391 break; 392 case 1: 393 val = s->g[s->dac_index] << 24; 394 s->dac_state++; 395 break; 396 case 2: 397 val = s->b[s->dac_index] << 24; 398 s->dac_index = (s->dac_index + 1) & 0xff; /* Index autoincrement */ 399 /* fall through */ 400 default: 401 s->dac_state = 0; 402 break; 403 } 404 405 return val; 406 } 407 408 static void tcx_dac_writel(void *opaque, hwaddr addr, uint64_t val, 409 unsigned size) 410 { 411 TCXState *s = opaque; 412 unsigned index; 413 414 switch (addr) { 415 case 0: /* Address */ 416 s->dac_index = val >> 24; 417 s->dac_state = 0; 418 break; 419 case 4: /* Pixel colours */ 420 case 12: /* Overlay (cursor) colours */ 421 if (addr & 8) { 422 index = (s->dac_index & 3) + 256; 423 } else { 424 index = s->dac_index; 425 } 426 switch (s->dac_state) { 427 case 0: 428 s->r[index] = val >> 24; 429 update_palette_entries(s, index, index + 1); 430 s->dac_state++; 431 break; 432 case 1: 433 s->g[index] = val >> 24; 434 update_palette_entries(s, index, index + 1); 435 s->dac_state++; 436 break; 437 case 2: 438 s->b[index] = val >> 24; 439 update_palette_entries(s, index, index + 1); 440 s->dac_index = (s->dac_index + 1) & 0xff; /* Index autoincrement */ 441 /* fall through */ 442 default: 443 s->dac_state = 0; 444 break; 445 } 446 break; 447 default: /* Control registers */ 448 break; 449 } 450 } 451 452 static const MemoryRegionOps tcx_dac_ops = { 453 .read = tcx_dac_readl, 454 .write = tcx_dac_writel, 455 .endianness = DEVICE_NATIVE_ENDIAN, 456 .valid = { 457 .min_access_size = 4, 458 .max_access_size = 4, 459 }, 460 }; 461 462 static uint64_t tcx_stip_readl(void *opaque, hwaddr addr, 463 unsigned size) 464 { 465 return 0; 466 } 467 468 static void tcx_stip_writel(void *opaque, hwaddr addr, 469 uint64_t val, unsigned size) 470 { 471 TCXState *s = opaque; 472 int i; 473 uint32_t col; 474 475 if (!(addr & 4)) { 476 s->tmpblit = val; 477 } else { 478 addr = (addr >> 3) & 0xfffff; 479 col = cpu_to_be32(s->tmpblit); 480 if (s->depth == 24) { 481 for (i = 0; i < 32; i++) { 482 if (val & 0x80000000) { 483 s->vram[addr + i] = s->tmpblit; 484 s->vram24[addr + i] = col; 485 } 486 val <<= 1; 487 } 488 } else { 489 for (i = 0; i < 32; i++) { 490 if (val & 0x80000000) { 491 s->vram[addr + i] = s->tmpblit; 492 } 493 val <<= 1; 494 } 495 } 496 tcx_set_dirty(s, addr, 32); 497 } 498 } 499 500 static void tcx_rstip_writel(void *opaque, hwaddr addr, 501 uint64_t val, unsigned size) 502 { 503 TCXState *s = opaque; 504 int i; 505 uint32_t col; 506 507 if (!(addr & 4)) { 508 s->tmpblit = val; 509 } else { 510 addr = (addr >> 3) & 0xfffff; 511 col = cpu_to_be32(s->tmpblit); 512 if (s->depth == 24) { 513 for (i = 0; i < 32; i++) { 514 if (val & 0x80000000) { 515 s->vram[addr + i] = s->tmpblit; 516 s->vram24[addr + i] = col; 517 s->cplane[addr + i] = col; 518 } 519 val <<= 1; 520 } 521 } else { 522 for (i = 0; i < 32; i++) { 523 if (val & 0x80000000) { 524 s->vram[addr + i] = s->tmpblit; 525 } 526 val <<= 1; 527 } 528 } 529 tcx_set_dirty(s, addr, 32); 530 } 531 } 532 533 static const MemoryRegionOps tcx_stip_ops = { 534 .read = tcx_stip_readl, 535 .write = tcx_stip_writel, 536 .endianness = DEVICE_NATIVE_ENDIAN, 537 .impl = { 538 .min_access_size = 4, 539 .max_access_size = 4, 540 }, 541 .valid = { 542 .min_access_size = 4, 543 .max_access_size = 8, 544 }, 545 }; 546 547 static const MemoryRegionOps tcx_rstip_ops = { 548 .read = tcx_stip_readl, 549 .write = tcx_rstip_writel, 550 .endianness = DEVICE_NATIVE_ENDIAN, 551 .impl = { 552 .min_access_size = 4, 553 .max_access_size = 4, 554 }, 555 .valid = { 556 .min_access_size = 4, 557 .max_access_size = 8, 558 }, 559 }; 560 561 static uint64_t tcx_blit_readl(void *opaque, hwaddr addr, 562 unsigned size) 563 { 564 return 0; 565 } 566 567 static void tcx_blit_writel(void *opaque, hwaddr addr, 568 uint64_t val, unsigned size) 569 { 570 TCXState *s = opaque; 571 uint32_t adsr, len; 572 int i; 573 574 if (!(addr & 4)) { 575 s->tmpblit = val; 576 } else { 577 addr = (addr >> 3) & 0xfffff; 578 adsr = val & 0xffffff; 579 len = ((val >> 24) & 0x1f) + 1; 580 if (adsr == 0xffffff) { 581 memset(&s->vram[addr], s->tmpblit, len); 582 if (s->depth == 24) { 583 val = s->tmpblit & 0xffffff; 584 val = cpu_to_be32(val); 585 for (i = 0; i < len; i++) { 586 s->vram24[addr + i] = val; 587 } 588 } 589 } else { 590 memcpy(&s->vram[addr], &s->vram[adsr], len); 591 if (s->depth == 24) { 592 memcpy(&s->vram24[addr], &s->vram24[adsr], len * 4); 593 } 594 } 595 tcx_set_dirty(s, addr, len); 596 } 597 } 598 599 static void tcx_rblit_writel(void *opaque, hwaddr addr, 600 uint64_t val, unsigned size) 601 { 602 TCXState *s = opaque; 603 uint32_t adsr, len; 604 int i; 605 606 if (!(addr & 4)) { 607 s->tmpblit = val; 608 } else { 609 addr = (addr >> 3) & 0xfffff; 610 adsr = val & 0xffffff; 611 len = ((val >> 24) & 0x1f) + 1; 612 if (adsr == 0xffffff) { 613 memset(&s->vram[addr], s->tmpblit, len); 614 if (s->depth == 24) { 615 val = s->tmpblit & 0xffffff; 616 val = cpu_to_be32(val); 617 for (i = 0; i < len; i++) { 618 s->vram24[addr + i] = val; 619 s->cplane[addr + i] = val; 620 } 621 } 622 } else { 623 memcpy(&s->vram[addr], &s->vram[adsr], len); 624 if (s->depth == 24) { 625 memcpy(&s->vram24[addr], &s->vram24[adsr], len * 4); 626 memcpy(&s->cplane[addr], &s->cplane[adsr], len * 4); 627 } 628 } 629 tcx_set_dirty(s, addr, len); 630 } 631 } 632 633 static const MemoryRegionOps tcx_blit_ops = { 634 .read = tcx_blit_readl, 635 .write = tcx_blit_writel, 636 .endianness = DEVICE_NATIVE_ENDIAN, 637 .impl = { 638 .min_access_size = 4, 639 .max_access_size = 4, 640 }, 641 .valid = { 642 .min_access_size = 4, 643 .max_access_size = 8, 644 }, 645 }; 646 647 static const MemoryRegionOps tcx_rblit_ops = { 648 .read = tcx_blit_readl, 649 .write = tcx_rblit_writel, 650 .endianness = DEVICE_NATIVE_ENDIAN, 651 .impl = { 652 .min_access_size = 4, 653 .max_access_size = 4, 654 }, 655 .valid = { 656 .min_access_size = 4, 657 .max_access_size = 8, 658 }, 659 }; 660 661 static void tcx_invalidate_cursor_position(TCXState *s) 662 { 663 int ymin, ymax, start, end; 664 665 /* invalidate only near the cursor */ 666 ymin = s->cursy; 667 if (ymin >= s->height) { 668 return; 669 } 670 ymax = MIN(s->height, ymin + 32); 671 start = ymin * 1024; 672 end = ymax * 1024; 673 674 tcx_set_dirty(s, start, end - start); 675 } 676 677 static uint64_t tcx_thc_readl(void *opaque, hwaddr addr, 678 unsigned size) 679 { 680 TCXState *s = opaque; 681 uint64_t val; 682 683 if (addr == TCX_THC_MISC) { 684 val = s->thcmisc | 0x02000000; 685 } else { 686 val = 0; 687 } 688 return val; 689 } 690 691 static void tcx_thc_writel(void *opaque, hwaddr addr, 692 uint64_t val, unsigned size) 693 { 694 TCXState *s = opaque; 695 696 if (addr == TCX_THC_CURSXY) { 697 tcx_invalidate_cursor_position(s); 698 s->cursx = val >> 16; 699 s->cursy = val; 700 tcx_invalidate_cursor_position(s); 701 } else if (addr >= TCX_THC_CURSMASK && addr < TCX_THC_CURSMASK + 128) { 702 s->cursmask[(addr - TCX_THC_CURSMASK) >> 2] = val; 703 tcx_invalidate_cursor_position(s); 704 } else if (addr >= TCX_THC_CURSBITS && addr < TCX_THC_CURSBITS + 128) { 705 s->cursbits[(addr - TCX_THC_CURSBITS) >> 2] = val; 706 tcx_invalidate_cursor_position(s); 707 } else if (addr == TCX_THC_MISC) { 708 s->thcmisc = val; 709 } 710 711 } 712 713 static const MemoryRegionOps tcx_thc_ops = { 714 .read = tcx_thc_readl, 715 .write = tcx_thc_writel, 716 .endianness = DEVICE_NATIVE_ENDIAN, 717 .valid = { 718 .min_access_size = 4, 719 .max_access_size = 4, 720 }, 721 }; 722 723 static uint64_t tcx_dummy_readl(void *opaque, hwaddr addr, 724 unsigned size) 725 { 726 return 0; 727 } 728 729 static void tcx_dummy_writel(void *opaque, hwaddr addr, 730 uint64_t val, unsigned size) 731 { 732 return; 733 } 734 735 static const MemoryRegionOps tcx_dummy_ops = { 736 .read = tcx_dummy_readl, 737 .write = tcx_dummy_writel, 738 .endianness = DEVICE_NATIVE_ENDIAN, 739 .valid = { 740 .min_access_size = 4, 741 .max_access_size = 4, 742 }, 743 }; 744 745 static const GraphicHwOps tcx_ops = { 746 .invalidate = tcx_invalidate_display, 747 .gfx_update = tcx_update_display, 748 }; 749 750 static const GraphicHwOps tcx24_ops = { 751 .invalidate = tcx24_invalidate_display, 752 .gfx_update = tcx24_update_display, 753 }; 754 755 static void tcx_initfn(Object *obj) 756 { 757 SysBusDevice *sbd = SYS_BUS_DEVICE(obj); 758 TCXState *s = TCX(obj); 759 760 memory_region_init_rom_nomigrate(&s->rom, obj, "tcx.prom", 761 FCODE_MAX_ROM_SIZE, &error_fatal); 762 sysbus_init_mmio(sbd, &s->rom); 763 764 /* 2/STIP : Stippler */ 765 memory_region_init_io(&s->stip, obj, &tcx_stip_ops, s, "tcx.stip", 766 TCX_STIP_NREGS); 767 sysbus_init_mmio(sbd, &s->stip); 768 769 /* 3/BLIT : Blitter */ 770 memory_region_init_io(&s->blit, obj, &tcx_blit_ops, s, "tcx.blit", 771 TCX_BLIT_NREGS); 772 sysbus_init_mmio(sbd, &s->blit); 773 774 /* 5/RSTIP : Raw Stippler */ 775 memory_region_init_io(&s->rstip, obj, &tcx_rstip_ops, s, "tcx.rstip", 776 TCX_RSTIP_NREGS); 777 sysbus_init_mmio(sbd, &s->rstip); 778 779 /* 6/RBLIT : Raw Blitter */ 780 memory_region_init_io(&s->rblit, obj, &tcx_rblit_ops, s, "tcx.rblit", 781 TCX_RBLIT_NREGS); 782 sysbus_init_mmio(sbd, &s->rblit); 783 784 /* 7/TEC : ??? */ 785 memory_region_init_io(&s->tec, obj, &tcx_dummy_ops, s, "tcx.tec", 786 TCX_TEC_NREGS); 787 sysbus_init_mmio(sbd, &s->tec); 788 789 /* 8/CMAP : DAC */ 790 memory_region_init_io(&s->dac, obj, &tcx_dac_ops, s, "tcx.dac", 791 TCX_DAC_NREGS); 792 sysbus_init_mmio(sbd, &s->dac); 793 794 /* 9/THC : Cursor */ 795 memory_region_init_io(&s->thc, obj, &tcx_thc_ops, s, "tcx.thc", 796 TCX_THC_NREGS); 797 sysbus_init_mmio(sbd, &s->thc); 798 799 /* 11/DHC : ??? */ 800 memory_region_init_io(&s->dhc, obj, &tcx_dummy_ops, s, "tcx.dhc", 801 TCX_DHC_NREGS); 802 sysbus_init_mmio(sbd, &s->dhc); 803 804 /* 12/ALT : ??? */ 805 memory_region_init_io(&s->alt, obj, &tcx_dummy_ops, s, "tcx.alt", 806 TCX_ALT_NREGS); 807 sysbus_init_mmio(sbd, &s->alt); 808 } 809 810 static void tcx_realizefn(DeviceState *dev, Error **errp) 811 { 812 SysBusDevice *sbd = SYS_BUS_DEVICE(dev); 813 TCXState *s = TCX(dev); 814 ram_addr_t vram_offset = 0; 815 int size, ret; 816 uint8_t *vram_base; 817 char *fcode_filename; 818 819 memory_region_init_ram_nomigrate(&s->vram_mem, OBJECT(s), "tcx.vram", 820 s->vram_size * (1 + 4 + 4), &error_fatal); 821 vmstate_register_ram_global(&s->vram_mem); 822 memory_region_set_log(&s->vram_mem, true, DIRTY_MEMORY_VGA); 823 vram_base = memory_region_get_ram_ptr(&s->vram_mem); 824 825 /* 10/ROM : FCode ROM */ 826 vmstate_register_ram_global(&s->rom); 827 fcode_filename = qemu_find_file(QEMU_FILE_TYPE_BIOS, TCX_ROM_FILE); 828 if (fcode_filename) { 829 ret = load_image_mr(fcode_filename, &s->rom); 830 g_free(fcode_filename); 831 if (ret < 0 || ret > FCODE_MAX_ROM_SIZE) { 832 warn_report("tcx: could not load prom '%s'", TCX_ROM_FILE); 833 } 834 } 835 836 /* 0/DFB8 : 8-bit plane */ 837 s->vram = vram_base; 838 size = s->vram_size; 839 memory_region_init_alias(&s->vram_8bit, OBJECT(s), "tcx.vram.8bit", 840 &s->vram_mem, vram_offset, size); 841 sysbus_init_mmio(sbd, &s->vram_8bit); 842 vram_offset += size; 843 vram_base += size; 844 845 /* 1/DFB24 : 24bit plane */ 846 size = s->vram_size * 4; 847 s->vram24 = (uint32_t *)vram_base; 848 s->vram24_offset = vram_offset; 849 memory_region_init_alias(&s->vram_24bit, OBJECT(s), "tcx.vram.24bit", 850 &s->vram_mem, vram_offset, size); 851 sysbus_init_mmio(sbd, &s->vram_24bit); 852 vram_offset += size; 853 vram_base += size; 854 855 /* 4/RDFB32 : Raw Framebuffer */ 856 size = s->vram_size * 4; 857 s->cplane = (uint32_t *)vram_base; 858 s->cplane_offset = vram_offset; 859 memory_region_init_alias(&s->vram_cplane, OBJECT(s), "tcx.vram.cplane", 860 &s->vram_mem, vram_offset, size); 861 sysbus_init_mmio(sbd, &s->vram_cplane); 862 863 /* 9/THC24bits : NetBSD writes here even with 8-bit display: dummy */ 864 if (s->depth == 8) { 865 memory_region_init_io(&s->thc24, OBJECT(s), &tcx_dummy_ops, s, 866 "tcx.thc24", TCX_THC_NREGS); 867 sysbus_init_mmio(sbd, &s->thc24); 868 } 869 870 sysbus_init_irq(sbd, &s->irq); 871 872 if (s->depth == 8) { 873 s->con = graphic_console_init(dev, 0, &tcx_ops, s); 874 } else { 875 s->con = graphic_console_init(dev, 0, &tcx24_ops, s); 876 } 877 s->thcmisc = 0; 878 879 qemu_console_resize(s->con, s->width, s->height); 880 } 881 882 static Property tcx_properties[] = { 883 DEFINE_PROP_UINT32("vram_size", TCXState, vram_size, -1), 884 DEFINE_PROP_UINT16("width", TCXState, width, -1), 885 DEFINE_PROP_UINT16("height", TCXState, height, -1), 886 DEFINE_PROP_UINT16("depth", TCXState, depth, -1), 887 DEFINE_PROP_END_OF_LIST(), 888 }; 889 890 static void tcx_class_init(ObjectClass *klass, void *data) 891 { 892 DeviceClass *dc = DEVICE_CLASS(klass); 893 894 dc->realize = tcx_realizefn; 895 dc->reset = tcx_reset; 896 dc->vmsd = &vmstate_tcx; 897 device_class_set_props(dc, tcx_properties); 898 } 899 900 static const TypeInfo tcx_info = { 901 .name = TYPE_TCX, 902 .parent = TYPE_SYS_BUS_DEVICE, 903 .instance_size = sizeof(TCXState), 904 .instance_init = tcx_initfn, 905 .class_init = tcx_class_init, 906 }; 907 908 static void tcx_register_types(void) 909 { 910 type_register_static(&tcx_info); 911 } 912 913 type_init(tcx_register_types) 914