1 /* 2 * QEMU Motorola 680x0 Macintosh Video Card Emulation 3 * Copyright (c) 2012-2018 Laurent Vivier 4 * 5 * some parts from QEMU G364 framebuffer Emulator. 6 * Copyright (c) 2007-2011 Herve Poussineau 7 * 8 * This work is licensed under the terms of the GNU GPL, version 2 or later. 9 * See the COPYING file in the top-level directory. 10 * 11 */ 12 13 #include "qemu/osdep.h" 14 #include "qemu/units.h" 15 #include "hw/sysbus.h" 16 #include "ui/console.h" 17 #include "ui/pixel_ops.h" 18 #include "hw/nubus/nubus.h" 19 #include "hw/display/macfb.h" 20 #include "qapi/error.h" 21 #include "hw/qdev-properties.h" 22 #include "migration/vmstate.h" 23 #include "trace.h" 24 25 #define VIDEO_BASE 0x0 26 #define DAFB_BASE 0x00800000 27 28 #define MACFB_PAGE_SIZE 4096 29 #define MACFB_VRAM_SIZE (4 * MiB) 30 31 #define DAFB_MODE_VADDR1 0x0 32 #define DAFB_MODE_VADDR2 0x4 33 #define DAFB_MODE_CTRL1 0x8 34 #define DAFB_MODE_CTRL2 0xc 35 #define DAFB_MODE_SENSE 0x1c 36 #define DAFB_RESET 0x200 37 #define DAFB_LUT 0x213 38 39 40 /* 41 * Quadra sense codes taken from Apple Technical Note HW26: 42 * "Macintosh Quadra Built-In Video". The sense codes and 43 * extended sense codes have different meanings: 44 * 45 * Sense: 46 * bit 2: SENSE2 (pin 10) 47 * bit 1: SENSE1 (pin 7) 48 * bit 0: SENSE0 (pin 4) 49 * 50 * 0 = pin tied to ground 51 * 1 = pin unconnected 52 * 53 * Extended Sense: 54 * bit 2: pins 4-10 55 * bit 1: pins 10-7 56 * bit 0: pins 7-4 57 * 58 * 0 = pins tied together 59 * 1 = pins unconnected 60 * 61 * Reads from the sense register appear to be active low, i.e. a 1 indicates 62 * that the pin is tied to ground, a 0 indicates the pin is disconnected. 63 * 64 * Writes to the sense register appear to activate pulldowns i.e. a 1 enables 65 * a pulldown on a particular pin. 66 * 67 * The MacOS toolbox appears to use a series of reads and writes to first 68 * determine if extended sense is to be used, and then check which pins are 69 * tied together in order to determine the display type. 70 */ 71 72 typedef struct MacFbSense { 73 uint8_t type; 74 uint8_t sense; 75 uint8_t ext_sense; 76 } MacFbSense; 77 78 static MacFbSense macfb_sense_table[] = { 79 { MACFB_DISPLAY_APPLE_21_COLOR, 0x0, 0 }, 80 { MACFB_DISPLAY_APPLE_PORTRAIT, 0x1, 0 }, 81 { MACFB_DISPLAY_APPLE_12_RGB, 0x2, 0 }, 82 { MACFB_DISPLAY_APPLE_2PAGE_MONO, 0x3, 0 }, 83 { MACFB_DISPLAY_NTSC_UNDERSCAN, 0x4, 0 }, 84 { MACFB_DISPLAY_NTSC_OVERSCAN, 0x4, 0 }, 85 { MACFB_DISPLAY_APPLE_12_MONO, 0x6, 0 }, 86 { MACFB_DISPLAY_APPLE_13_RGB, 0x6, 0 }, 87 { MACFB_DISPLAY_16_COLOR, 0x7, 0x3 }, 88 { MACFB_DISPLAY_PAL1_UNDERSCAN, 0x7, 0x0 }, 89 { MACFB_DISPLAY_PAL1_OVERSCAN, 0x7, 0x0 }, 90 { MACFB_DISPLAY_PAL2_UNDERSCAN, 0x7, 0x6 }, 91 { MACFB_DISPLAY_PAL2_OVERSCAN, 0x7, 0x6 }, 92 { MACFB_DISPLAY_VGA, 0x7, 0x5 }, 93 { MACFB_DISPLAY_SVGA, 0x7, 0x5 }, 94 }; 95 96 static MacFbMode macfb_mode_table[] = { 97 { MACFB_DISPLAY_VGA, 1, 0x100, 0x71e, 640, 480, 0x400, 0x1000 }, 98 { MACFB_DISPLAY_VGA, 2, 0x100, 0x70e, 640, 480, 0x400, 0x1000 }, 99 { MACFB_DISPLAY_VGA, 4, 0x100, 0x706, 640, 480, 0x400, 0x1000 }, 100 { MACFB_DISPLAY_VGA, 8, 0x100, 0x702, 640, 480, 0x400, 0x1000 }, 101 { MACFB_DISPLAY_VGA, 24, 0x100, 0x7ff, 640, 480, 0x1000, 0x1000 }, 102 { MACFB_DISPLAY_VGA, 1, 0xd0 , 0x70e, 800, 600, 0x340, 0xe00 }, 103 { MACFB_DISPLAY_VGA, 2, 0xd0 , 0x706, 800, 600, 0x340, 0xe00 }, 104 { MACFB_DISPLAY_VGA, 4, 0xd0 , 0x702, 800, 600, 0x340, 0xe00 }, 105 { MACFB_DISPLAY_VGA, 8, 0xd0, 0x700, 800, 600, 0x340, 0xe00 }, 106 { MACFB_DISPLAY_VGA, 24, 0x340, 0x100, 800, 600, 0xd00, 0xe00 }, 107 { MACFB_DISPLAY_APPLE_21_COLOR, 1, 0x90, 0x506, 1152, 870, 0x240, 0x80 }, 108 { MACFB_DISPLAY_APPLE_21_COLOR, 2, 0x90, 0x502, 1152, 870, 0x240, 0x80 }, 109 { MACFB_DISPLAY_APPLE_21_COLOR, 4, 0x90, 0x500, 1152, 870, 0x240, 0x80 }, 110 { MACFB_DISPLAY_APPLE_21_COLOR, 8, 0x120, 0x5ff, 1152, 870, 0x480, 0x80 }, 111 }; 112 113 typedef void macfb_draw_line_func(MacfbState *s, uint8_t *d, uint32_t addr, 114 int width); 115 116 static inline uint8_t macfb_read_byte(MacfbState *s, uint32_t addr) 117 { 118 return s->vram[addr & s->vram_bit_mask]; 119 } 120 121 /* 1-bit color */ 122 static void macfb_draw_line1(MacfbState *s, uint8_t *d, uint32_t addr, 123 int width) 124 { 125 uint8_t r, g, b; 126 int x; 127 128 for (x = 0; x < width; x++) { 129 int bit = x & 7; 130 int idx = (macfb_read_byte(s, addr) >> (7 - bit)) & 1; 131 r = g = b = ((1 - idx) << 7); 132 addr += (bit == 7); 133 134 *(uint32_t *)d = rgb_to_pixel32(r, g, b); 135 d += 4; 136 } 137 } 138 139 /* 2-bit color */ 140 static void macfb_draw_line2(MacfbState *s, uint8_t *d, uint32_t addr, 141 int width) 142 { 143 uint8_t r, g, b; 144 int x; 145 146 for (x = 0; x < width; x++) { 147 int bit = (x & 3); 148 int idx = (macfb_read_byte(s, addr) >> ((3 - bit) << 1)) & 3; 149 r = s->color_palette[idx * 3]; 150 g = s->color_palette[idx * 3 + 1]; 151 b = s->color_palette[idx * 3 + 2]; 152 addr += (bit == 3); 153 154 *(uint32_t *)d = rgb_to_pixel32(r, g, b); 155 d += 4; 156 } 157 } 158 159 /* 4-bit color */ 160 static void macfb_draw_line4(MacfbState *s, uint8_t *d, uint32_t addr, 161 int width) 162 { 163 uint8_t r, g, b; 164 int x; 165 166 for (x = 0; x < width; x++) { 167 int bit = x & 1; 168 int idx = (macfb_read_byte(s, addr) >> ((1 - bit) << 2)) & 15; 169 r = s->color_palette[idx * 3]; 170 g = s->color_palette[idx * 3 + 1]; 171 b = s->color_palette[idx * 3 + 2]; 172 addr += (bit == 1); 173 174 *(uint32_t *)d = rgb_to_pixel32(r, g, b); 175 d += 4; 176 } 177 } 178 179 /* 8-bit color */ 180 static void macfb_draw_line8(MacfbState *s, uint8_t *d, uint32_t addr, 181 int width) 182 { 183 uint8_t r, g, b; 184 int x; 185 186 for (x = 0; x < width; x++) { 187 r = s->color_palette[macfb_read_byte(s, addr) * 3]; 188 g = s->color_palette[macfb_read_byte(s, addr) * 3 + 1]; 189 b = s->color_palette[macfb_read_byte(s, addr) * 3 + 2]; 190 addr++; 191 192 *(uint32_t *)d = rgb_to_pixel32(r, g, b); 193 d += 4; 194 } 195 } 196 197 /* 16-bit color */ 198 static void macfb_draw_line16(MacfbState *s, uint8_t *d, uint32_t addr, 199 int width) 200 { 201 uint8_t r, g, b; 202 int x; 203 204 for (x = 0; x < width; x++) { 205 uint16_t pixel; 206 pixel = (macfb_read_byte(s, addr) << 8) | macfb_read_byte(s, addr + 1); 207 r = ((pixel >> 10) & 0x1f) << 3; 208 g = ((pixel >> 5) & 0x1f) << 3; 209 b = (pixel & 0x1f) << 3; 210 addr += 2; 211 212 *(uint32_t *)d = rgb_to_pixel32(r, g, b); 213 d += 4; 214 } 215 } 216 217 /* 24-bit color */ 218 static void macfb_draw_line24(MacfbState *s, uint8_t *d, uint32_t addr, 219 int width) 220 { 221 uint8_t r, g, b; 222 int x; 223 224 for (x = 0; x < width; x++) { 225 r = macfb_read_byte(s, addr); 226 g = macfb_read_byte(s, addr + 1); 227 b = macfb_read_byte(s, addr + 2); 228 addr += 3; 229 230 *(uint32_t *)d = rgb_to_pixel32(r, g, b); 231 d += 4; 232 } 233 } 234 235 236 enum { 237 MACFB_DRAW_LINE1, 238 MACFB_DRAW_LINE2, 239 MACFB_DRAW_LINE4, 240 MACFB_DRAW_LINE8, 241 MACFB_DRAW_LINE16, 242 MACFB_DRAW_LINE24, 243 MACFB_DRAW_LINE_NB, 244 }; 245 246 static macfb_draw_line_func * const 247 macfb_draw_line_table[MACFB_DRAW_LINE_NB] = { 248 macfb_draw_line1, 249 macfb_draw_line2, 250 macfb_draw_line4, 251 macfb_draw_line8, 252 macfb_draw_line16, 253 macfb_draw_line24, 254 }; 255 256 static int macfb_check_dirty(MacfbState *s, DirtyBitmapSnapshot *snap, 257 ram_addr_t addr, int len) 258 { 259 return memory_region_snapshot_get_dirty(&s->mem_vram, snap, addr, len); 260 } 261 262 static void macfb_draw_graphic(MacfbState *s) 263 { 264 DisplaySurface *surface = qemu_console_surface(s->con); 265 DirtyBitmapSnapshot *snap = NULL; 266 ram_addr_t page; 267 uint32_t v = 0; 268 int y, ymin; 269 int macfb_stride = s->mode->stride; 270 macfb_draw_line_func *macfb_draw_line; 271 272 switch (s->depth) { 273 case 1: 274 v = MACFB_DRAW_LINE1; 275 break; 276 case 2: 277 v = MACFB_DRAW_LINE2; 278 break; 279 case 4: 280 v = MACFB_DRAW_LINE4; 281 break; 282 case 8: 283 v = MACFB_DRAW_LINE8; 284 break; 285 case 16: 286 v = MACFB_DRAW_LINE16; 287 break; 288 case 24: 289 v = MACFB_DRAW_LINE24; 290 break; 291 } 292 293 macfb_draw_line = macfb_draw_line_table[v]; 294 assert(macfb_draw_line != NULL); 295 296 snap = memory_region_snapshot_and_clear_dirty(&s->mem_vram, 0x0, 297 memory_region_size(&s->mem_vram), 298 DIRTY_MEMORY_VGA); 299 300 ymin = -1; 301 page = s->mode->offset; 302 for (y = 0; y < s->height; y++, page += macfb_stride) { 303 if (macfb_check_dirty(s, snap, page, macfb_stride)) { 304 uint8_t *data_display; 305 306 data_display = surface_data(surface) + y * surface_stride(surface); 307 macfb_draw_line(s, data_display, page, s->width); 308 309 if (ymin < 0) { 310 ymin = y; 311 } 312 } else { 313 if (ymin >= 0) { 314 dpy_gfx_update(s->con, 0, ymin, s->width, y - ymin); 315 ymin = -1; 316 } 317 } 318 } 319 320 if (ymin >= 0) { 321 dpy_gfx_update(s->con, 0, ymin, s->width, y - ymin); 322 } 323 324 g_free(snap); 325 } 326 327 static void macfb_invalidate_display(void *opaque) 328 { 329 MacfbState *s = opaque; 330 331 memory_region_set_dirty(&s->mem_vram, 0, MACFB_VRAM_SIZE); 332 } 333 334 static uint32_t macfb_sense_read(MacfbState *s) 335 { 336 MacFbSense *macfb_sense; 337 uint8_t sense; 338 339 assert(s->type < ARRAY_SIZE(macfb_sense_table)); 340 macfb_sense = &macfb_sense_table[s->type]; 341 if (macfb_sense->sense == 0x7) { 342 /* Extended sense */ 343 sense = 0; 344 if (!(macfb_sense->ext_sense & 1)) { 345 /* Pins 7-4 together */ 346 if (~s->regs[DAFB_MODE_SENSE >> 2] & 3) { 347 sense = (~s->regs[DAFB_MODE_SENSE >> 2] & 7) | 3; 348 } 349 } 350 if (!(macfb_sense->ext_sense & 2)) { 351 /* Pins 10-7 together */ 352 if (~s->regs[DAFB_MODE_SENSE >> 2] & 6) { 353 sense = (~s->regs[DAFB_MODE_SENSE >> 2] & 7) | 6; 354 } 355 } 356 if (!(macfb_sense->ext_sense & 4)) { 357 /* Pins 4-10 together */ 358 if (~s->regs[DAFB_MODE_SENSE >> 2] & 5) { 359 sense = (~s->regs[DAFB_MODE_SENSE >> 2] & 7) | 5; 360 } 361 } 362 } else { 363 /* Normal sense */ 364 sense = (~macfb_sense->sense & 7) | 365 (~s->regs[DAFB_MODE_SENSE >> 2] & 7); 366 } 367 368 trace_macfb_sense_read(sense); 369 return sense; 370 } 371 372 static void macfb_sense_write(MacfbState *s, uint32_t val) 373 { 374 s->regs[DAFB_MODE_SENSE >> 2] = val; 375 376 trace_macfb_sense_write(val); 377 return; 378 } 379 380 static void macfb_update_mode(MacfbState *s) 381 { 382 s->width = s->mode->width; 383 s->height = s->mode->height; 384 s->depth = s->mode->depth; 385 386 trace_macfb_update_mode(s->width, s->height, s->depth); 387 macfb_invalidate_display(s); 388 } 389 390 static void macfb_mode_write(MacfbState *s) 391 { 392 MacFbMode *macfb_mode; 393 int i; 394 395 for (i = 0; i < ARRAY_SIZE(macfb_mode_table); i++) { 396 macfb_mode = &macfb_mode_table[i]; 397 398 if (s->type != macfb_mode->type) { 399 continue; 400 } 401 402 if ((s->regs[DAFB_MODE_CTRL1 >> 2] & 0xff) == 403 (macfb_mode->mode_ctrl1 & 0xff) && 404 (s->regs[DAFB_MODE_CTRL2 >> 2] & 0xff) == 405 (macfb_mode->mode_ctrl2 & 0xff)) { 406 s->mode = macfb_mode; 407 macfb_update_mode(s); 408 break; 409 } 410 } 411 } 412 413 static MacFbMode *macfb_find_mode(MacfbDisplayType display_type, 414 uint16_t width, uint16_t height, 415 uint8_t depth) 416 { 417 MacFbMode *macfb_mode; 418 int i; 419 420 for (i = 0; i < ARRAY_SIZE(macfb_mode_table); i++) { 421 macfb_mode = &macfb_mode_table[i]; 422 423 if (display_type == macfb_mode->type && width == macfb_mode->width && 424 height == macfb_mode->height && depth == macfb_mode->depth) { 425 return macfb_mode; 426 } 427 } 428 429 return NULL; 430 } 431 432 static gchar *macfb_mode_list(void) 433 { 434 gchar *list = NULL; 435 gchar *mode; 436 MacFbMode *macfb_mode; 437 int i; 438 439 for (i = 0; i < ARRAY_SIZE(macfb_mode_table); i++) { 440 macfb_mode = &macfb_mode_table[i]; 441 442 mode = g_strdup_printf(" %dx%dx%d\n", macfb_mode->width, 443 macfb_mode->height, macfb_mode->depth); 444 list = g_strconcat(mode, list, NULL); 445 g_free(mode); 446 } 447 448 return list; 449 } 450 451 452 static void macfb_update_display(void *opaque) 453 { 454 MacfbState *s = opaque; 455 DisplaySurface *surface = qemu_console_surface(s->con); 456 457 qemu_flush_coalesced_mmio_buffer(); 458 459 if (s->width == 0 || s->height == 0) { 460 return; 461 } 462 463 if (s->width != surface_width(surface) || 464 s->height != surface_height(surface)) { 465 qemu_console_resize(s->con, s->width, s->height); 466 } 467 468 macfb_draw_graphic(s); 469 } 470 471 static void macfb_reset(MacfbState *s) 472 { 473 int i; 474 475 s->palette_current = 0; 476 for (i = 0; i < 256; i++) { 477 s->color_palette[i * 3] = 255 - i; 478 s->color_palette[i * 3 + 1] = 255 - i; 479 s->color_palette[i * 3 + 2] = 255 - i; 480 } 481 memset(s->vram, 0, MACFB_VRAM_SIZE); 482 macfb_invalidate_display(s); 483 } 484 485 static uint64_t macfb_ctrl_read(void *opaque, 486 hwaddr addr, 487 unsigned int size) 488 { 489 MacfbState *s = opaque; 490 uint64_t val = 0; 491 492 switch (addr) { 493 case DAFB_MODE_VADDR1: 494 case DAFB_MODE_VADDR2: 495 case DAFB_MODE_CTRL1: 496 case DAFB_MODE_CTRL2: 497 val = s->regs[addr >> 2]; 498 break; 499 case DAFB_MODE_SENSE: 500 val = macfb_sense_read(s); 501 break; 502 } 503 504 trace_macfb_ctrl_read(addr, val, size); 505 return val; 506 } 507 508 static void macfb_ctrl_write(void *opaque, 509 hwaddr addr, 510 uint64_t val, 511 unsigned int size) 512 { 513 MacfbState *s = opaque; 514 switch (addr) { 515 case DAFB_MODE_VADDR1: 516 case DAFB_MODE_VADDR2: 517 s->regs[addr >> 2] = val; 518 break; 519 case DAFB_MODE_CTRL1 ... DAFB_MODE_CTRL1 + 3: 520 case DAFB_MODE_CTRL2 ... DAFB_MODE_CTRL2 + 3: 521 s->regs[addr >> 2] = val; 522 if (val) { 523 macfb_mode_write(s); 524 } 525 break; 526 case DAFB_MODE_SENSE: 527 macfb_sense_write(s, val); 528 break; 529 case DAFB_RESET: 530 s->palette_current = 0; 531 break; 532 case DAFB_LUT: 533 s->color_palette[s->palette_current] = val; 534 s->palette_current = (s->palette_current + 1) % 535 ARRAY_SIZE(s->color_palette); 536 if (s->palette_current % 3) { 537 macfb_invalidate_display(s); 538 } 539 break; 540 } 541 542 trace_macfb_ctrl_write(addr, val, size); 543 } 544 545 static const MemoryRegionOps macfb_ctrl_ops = { 546 .read = macfb_ctrl_read, 547 .write = macfb_ctrl_write, 548 .endianness = DEVICE_BIG_ENDIAN, 549 .impl.min_access_size = 1, 550 .impl.max_access_size = 4, 551 }; 552 553 static int macfb_post_load(void *opaque, int version_id) 554 { 555 macfb_mode_write(opaque); 556 return 0; 557 } 558 559 static const VMStateDescription vmstate_macfb = { 560 .name = "macfb", 561 .version_id = 1, 562 .minimum_version_id = 1, 563 .minimum_version_id_old = 1, 564 .post_load = macfb_post_load, 565 .fields = (VMStateField[]) { 566 VMSTATE_UINT8_ARRAY(color_palette, MacfbState, 256 * 3), 567 VMSTATE_UINT32(palette_current, MacfbState), 568 VMSTATE_UINT32_ARRAY(regs, MacfbState, MACFB_NUM_REGS), 569 VMSTATE_END_OF_LIST() 570 } 571 }; 572 573 static const GraphicHwOps macfb_ops = { 574 .invalidate = macfb_invalidate_display, 575 .gfx_update = macfb_update_display, 576 }; 577 578 static bool macfb_common_realize(DeviceState *dev, MacfbState *s, Error **errp) 579 { 580 DisplaySurface *surface; 581 582 s->mode = macfb_find_mode(s->type, s->width, s->height, s->depth); 583 if (!s->mode) { 584 gchar *list; 585 error_setg(errp, "unknown display mode: width %d, height %d, depth %d", 586 s->width, s->height, s->depth); 587 list = macfb_mode_list(); 588 error_append_hint(errp, "Available modes:\n%s", list); 589 g_free(list); 590 591 return false; 592 } 593 594 s->con = graphic_console_init(dev, 0, &macfb_ops, s); 595 surface = qemu_console_surface(s->con); 596 597 if (surface_bits_per_pixel(surface) != 32) { 598 error_setg(errp, "unknown host depth %d", 599 surface_bits_per_pixel(surface)); 600 return false; 601 } 602 603 memory_region_init_io(&s->mem_ctrl, OBJECT(dev), &macfb_ctrl_ops, s, 604 "macfb-ctrl", 0x1000); 605 606 memory_region_init_ram(&s->mem_vram, OBJECT(dev), "macfb-vram", 607 MACFB_VRAM_SIZE, &error_abort); 608 s->vram = memory_region_get_ram_ptr(&s->mem_vram); 609 s->vram_bit_mask = MACFB_VRAM_SIZE - 1; 610 memory_region_set_coalescing(&s->mem_vram); 611 612 macfb_update_mode(s); 613 return true; 614 } 615 616 static void macfb_sysbus_realize(DeviceState *dev, Error **errp) 617 { 618 MacfbSysBusState *s = MACFB(dev); 619 MacfbState *ms = &s->macfb; 620 621 if (!macfb_common_realize(dev, ms, errp)) { 622 return; 623 } 624 625 sysbus_init_mmio(SYS_BUS_DEVICE(s), &ms->mem_ctrl); 626 sysbus_init_mmio(SYS_BUS_DEVICE(s), &ms->mem_vram); 627 } 628 629 static void macfb_nubus_realize(DeviceState *dev, Error **errp) 630 { 631 NubusDevice *nd = NUBUS_DEVICE(dev); 632 MacfbNubusState *s = NUBUS_MACFB(dev); 633 MacfbNubusDeviceClass *ndc = NUBUS_MACFB_GET_CLASS(dev); 634 MacfbState *ms = &s->macfb; 635 636 ndc->parent_realize(dev, errp); 637 if (*errp) { 638 return; 639 } 640 641 if (!macfb_common_realize(dev, ms, errp)) { 642 return; 643 } 644 645 memory_region_add_subregion(&nd->slot_mem, DAFB_BASE, &ms->mem_ctrl); 646 memory_region_add_subregion(&nd->slot_mem, VIDEO_BASE, &ms->mem_vram); 647 } 648 649 static void macfb_sysbus_reset(DeviceState *d) 650 { 651 MacfbSysBusState *s = MACFB(d); 652 macfb_reset(&s->macfb); 653 } 654 655 static void macfb_nubus_reset(DeviceState *d) 656 { 657 MacfbNubusState *s = NUBUS_MACFB(d); 658 macfb_reset(&s->macfb); 659 } 660 661 static Property macfb_sysbus_properties[] = { 662 DEFINE_PROP_UINT32("width", MacfbSysBusState, macfb.width, 640), 663 DEFINE_PROP_UINT32("height", MacfbSysBusState, macfb.height, 480), 664 DEFINE_PROP_UINT8("depth", MacfbSysBusState, macfb.depth, 8), 665 DEFINE_PROP_UINT8("display", MacfbSysBusState, macfb.type, 666 MACFB_DISPLAY_VGA), 667 DEFINE_PROP_END_OF_LIST(), 668 }; 669 670 static Property macfb_nubus_properties[] = { 671 DEFINE_PROP_UINT32("width", MacfbNubusState, macfb.width, 640), 672 DEFINE_PROP_UINT32("height", MacfbNubusState, macfb.height, 480), 673 DEFINE_PROP_UINT8("depth", MacfbNubusState, macfb.depth, 8), 674 DEFINE_PROP_UINT8("display", MacfbNubusState, macfb.type, 675 MACFB_DISPLAY_VGA), 676 DEFINE_PROP_END_OF_LIST(), 677 }; 678 679 static void macfb_sysbus_class_init(ObjectClass *klass, void *data) 680 { 681 DeviceClass *dc = DEVICE_CLASS(klass); 682 683 dc->realize = macfb_sysbus_realize; 684 dc->desc = "SysBus Macintosh framebuffer"; 685 dc->reset = macfb_sysbus_reset; 686 dc->vmsd = &vmstate_macfb; 687 device_class_set_props(dc, macfb_sysbus_properties); 688 } 689 690 static void macfb_nubus_class_init(ObjectClass *klass, void *data) 691 { 692 DeviceClass *dc = DEVICE_CLASS(klass); 693 MacfbNubusDeviceClass *ndc = NUBUS_MACFB_CLASS(klass); 694 695 device_class_set_parent_realize(dc, macfb_nubus_realize, 696 &ndc->parent_realize); 697 dc->desc = "Nubus Macintosh framebuffer"; 698 dc->reset = macfb_nubus_reset; 699 dc->vmsd = &vmstate_macfb; 700 set_bit(DEVICE_CATEGORY_DISPLAY, dc->categories); 701 device_class_set_props(dc, macfb_nubus_properties); 702 } 703 704 static TypeInfo macfb_sysbus_info = { 705 .name = TYPE_MACFB, 706 .parent = TYPE_SYS_BUS_DEVICE, 707 .instance_size = sizeof(MacfbSysBusState), 708 .class_init = macfb_sysbus_class_init, 709 }; 710 711 static TypeInfo macfb_nubus_info = { 712 .name = TYPE_NUBUS_MACFB, 713 .parent = TYPE_NUBUS_DEVICE, 714 .instance_size = sizeof(MacfbNubusState), 715 .class_init = macfb_nubus_class_init, 716 .class_size = sizeof(MacfbNubusDeviceClass), 717 }; 718 719 static void macfb_register_types(void) 720 { 721 type_register_static(&macfb_sysbus_info); 722 type_register_static(&macfb_nubus_info); 723 } 724 725 type_init(macfb_register_types) 726