hw/tcx.c

   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 "console.h"
  26 #include "pixel_ops.h"
  27 #include "sysbus.h"
  28 #include "qdev-addr.h"
  29
  30 #define MAXX 1024
  31 #define MAXY 768
  32 #define TCX_DAC_NREGS 16
  33 #define TCX_THC_NREGS_8  0x081c
  34 #define TCX_THC_NREGS_24 0x1000
  35 #define TCX_TEC_NREGS    0x1000
  36
  37 typedef struct TCXState {
  38     SysBusDevice busdev;
  39     target_phys_addr_t addr;
  40     DisplayState *ds;
  41     uint8_t *vram;
  42     uint32_t *vram24, *cplane;
  43     MemoryRegion vram_mem;
  44     MemoryRegion vram_8bit;
  45     MemoryRegion vram_24bit;
  46     MemoryRegion vram_cplane;
  47     MemoryRegion dac;
  48     MemoryRegion tec;
  49     MemoryRegion thc24;
  50     MemoryRegion thc8;
  51     ram_addr_t vram24_offset, cplane_offset;
  52     uint32_t vram_size;
  53     uint32_t palette[256];
  54     uint8_t r[256], g[256], b[256];
  55     uint16_t width, height, depth;
  56     uint8_t dac_index, dac_state;
  57 } TCXState;
  58
  59 static void tcx_screen_dump(void *opaque, const char *filename, bool cswitch);
  60 static void tcx24_screen_dump(void *opaque, const char *filename, bool cswitch);
  61
  62 static void tcx_set_dirty(TCXState *s)
  63 {
  64     memory_region_set_dirty(&s->vram_mem, 0, MAXX * MAXY);
  65 }
  66
  67 static void tcx24_set_dirty(TCXState *s)
  68 {
  69     memory_region_set_dirty(&s->vram_mem, s->vram24_offset, MAXX * MAXY * 4);
  70     memory_region_set_dirty(&s->vram_mem, s->cplane_offset, MAXX * MAXY * 4);
  71 }
  72
  73 static void update_palette_entries(TCXState *s, int start, int end)
  74 {
  75     int i;
  76     for(i = start; i < end; i++) {
  77         switch(ds_get_bits_per_pixel(s->ds)) {
  78         default:
  79         case 8:
  80             s->palette[i] = rgb_to_pixel8(s->r[i], s->g[i], s->b[i]);
  81             break;
  82         case 15:
  83             s->palette[i] = rgb_to_pixel15(s->r[i], s->g[i], s->b[i]);
  84             break;
  85         case 16:
  86             s->palette[i] = rgb_to_pixel16(s->r[i], s->g[i], s->b[i]);
  87             break;
  88         case 32:
  89             if (is_surface_bgr(s->ds->surface))
  90                 s->palette[i] = rgb_to_pixel32bgr(s->r[i], s->g[i], s->b[i]);
  91             else
  92                 s->palette[i] = rgb_to_pixel32(s->r[i], s->g[i], s->b[i]);
  93             break;
  94         }
  95     }
  96     if (s->depth == 24) {
  97         tcx24_set_dirty(s);
  98     } else {
  99         tcx_set_dirty(s);
 100     }
 101 }
 102
 103 static void tcx_draw_line32(TCXState *s1, uint8_t *d,
 104                             const uint8_t *s, int width)
 105 {
 106     int x;
 107     uint8_t val;
 108     uint32_t *p = (uint32_t *)d;
 109
 110     for(x = 0; x < width; x++) {
 111         val = *s++;
 112         *p++ = s1->palette[val];
 113     }
 114 }
 115
 116 static void tcx_draw_line16(TCXState *s1, uint8_t *d,
 117                             const uint8_t *s, int width)
 118 {
 119     int x;
 120     uint8_t val;
 121     uint16_t *p = (uint16_t *)d;
 122
 123     for(x = 0; x < width; x++) {
 124         val = *s++;
 125         *p++ = s1->palette[val];
 126     }
 127 }
 128
 129 static void tcx_draw_line8(TCXState *s1, uint8_t *d,
 130                            const uint8_t *s, int width)
 131 {
 132     int x;
 133     uint8_t val;
 134
 135     for(x = 0; x < width; x++) {
 136         val = *s++;
 137         *d++ = s1->palette[val];
 138     }
 139 }
 140
 141 /*
 142   XXX Could be much more optimal:
 143   * detect if line/page/whole screen is in 24 bit mode
 144   * if destination is also BGR, use memcpy
 145   */
 146 static inline void tcx24_draw_line32(TCXState *s1, uint8_t *d,
 147                                      const uint8_t *s, int width,
 148                                      const uint32_t *cplane,
 149                                      const uint32_t *s24)
 150 {
 151     int x, bgr, r, g, b;
 152     uint8_t val, *p8;
 153     uint32_t *p = (uint32_t *)d;
 154     uint32_t dval;
 155
 156     bgr = is_surface_bgr(s1->ds->surface);
 157     for(x = 0; x < width; x++, s++, s24++) {
 158         if ((be32_to_cpu(*cplane++) & 0xff000000) == 0x03000000) {
 159             // 24-bit direct, BGR order
 160             p8 = (uint8_t *)s24;
 161             p8++;
 162             b = *p8++;
 163             g = *p8++;
 164             r = *p8;
 165             if (bgr)
 166                 dval = rgb_to_pixel32bgr(r, g, b);
 167             else
 168                 dval = rgb_to_pixel32(r, g, b);
 169         } else {
 170             val = *s;
 171             dval = s1->palette[val];
 172         }
 173         *p++ = dval;
 174     }
 175 }
 176
 177 static inline int check_dirty(TCXState *s, ram_addr_t page, ram_addr_t page24,
 178                               ram_addr_t cpage)
 179 {
 180     int ret;
 181
 182     ret = memory_region_get_dirty(&s->vram_mem, page, TARGET_PAGE_SIZE,
 183                                   DIRTY_MEMORY_VGA);
 184     ret |= memory_region_get_dirty(&s->vram_mem, page24, TARGET_PAGE_SIZE * 4,
 185                                    DIRTY_MEMORY_VGA);
 186     ret |= memory_region_get_dirty(&s->vram_mem, cpage, TARGET_PAGE_SIZE * 4,
 187                                    DIRTY_MEMORY_VGA);
 188     return ret;
 189 }
 190
 191 static inline void reset_dirty(TCXState *ts, ram_addr_t page_min,
 192                                ram_addr_t page_max, ram_addr_t page24,
 193                               ram_addr_t cpage)
 194 {
 195     memory_region_reset_dirty(&ts->vram_mem,
 196                               page_min, page_max + TARGET_PAGE_SIZE,
 197                               DIRTY_MEMORY_VGA);
 198     memory_region_reset_dirty(&ts->vram_mem,
 199                               page24 + page_min * 4,
 200                               page24 + page_max * 4 + TARGET_PAGE_SIZE,
 201                               DIRTY_MEMORY_VGA);
 202     memory_region_reset_dirty(&ts->vram_mem,
 203                               cpage + page_min * 4,
 204                               cpage + page_max * 4 + TARGET_PAGE_SIZE,
 205                               DIRTY_MEMORY_VGA);
 206 }
 207
 208 /* Fixed line length 1024 allows us to do nice tricks not possible on
 209    VGA... */
 210 static void tcx_update_display(void *opaque)
 211 {
 212     TCXState *ts = opaque;
 213     ram_addr_t page, page_min, page_max;
 214     int y, y_start, dd, ds;
 215     uint8_t *d, *s;
 216     void (*f)(TCXState *s1, uint8_t *dst, const uint8_t *src, int width);
 217
 218     if (ds_get_bits_per_pixel(ts->ds) == 0)
 219         return;
 220     page = 0;
 221     y_start = -1;
 222     page_min = -1;
 223     page_max = 0;
 224     d = ds_get_data(ts->ds);
 225     s = ts->vram;
 226     dd = ds_get_linesize(ts->ds);
 227     ds = 1024;
 228
 229     switch (ds_get_bits_per_pixel(ts->ds)) {
 230     case 32:
 231         f = tcx_draw_line32;
 232         break;
 233     case 15:
 234     case 16:
 235         f = tcx_draw_line16;
 236         break;
 237     default:
 238     case 8:
 239         f = tcx_draw_line8;
 240         break;
 241     case 0:
 242         return;
 243     }
 244
 245     for(y = 0; y < ts->height; y += 4, page += TARGET_PAGE_SIZE) {
 246         if (memory_region_get_dirty(&ts->vram_mem, page, TARGET_PAGE_SIZE,
 247                                     DIRTY_MEMORY_VGA)) {
 248             if (y_start < 0)
 249                 y_start = y;
 250             if (page < page_min)
 251                 page_min = page;
 252             if (page > page_max)
 253                 page_max = page;
 254             f(ts, d, s, ts->width);
 255             d += dd;
 256             s += ds;
 257             f(ts, d, s, ts->width);
 258             d += dd;
 259             s += ds;
 260             f(ts, d, s, ts->width);
 261             d += dd;
 262             s += ds;
 263             f(ts, d, s, ts->width);
 264             d += dd;
 265             s += ds;
 266         } else {
 267             if (y_start >= 0) {
 268                 /* flush to display */
 269                 dpy_update(ts->ds, 0, y_start,
 270                            ts->width, y - y_start);
 271                 y_start = -1;
 272             }
 273             d += dd * 4;
 274             s += ds * 4;
 275         }
 276     }
 277     if (y_start >= 0) {
 278         /* flush to display */
 279         dpy_update(ts->ds, 0, y_start,
 280                    ts->width, y - y_start);
 281     }
 282     /* reset modified pages */
 283     if (page_max >= page_min) {
 284         memory_region_reset_dirty(&ts->vram_mem,
 285                                   page_min, page_max + TARGET_PAGE_SIZE,
 286                                   DIRTY_MEMORY_VGA);
 287     }
 288 }
 289
 290 static void tcx24_update_display(void *opaque)
 291 {
 292     TCXState *ts = opaque;
 293     ram_addr_t page, page_min, page_max, cpage, page24;
 294     int y, y_start, dd, ds;
 295     uint8_t *d, *s;
 296     uint32_t *cptr, *s24;
 297
 298     if (ds_get_bits_per_pixel(ts->ds) != 32)
 299             return;
 300     page = 0;
 301     page24 = ts->vram24_offset;
 302     cpage = ts->cplane_offset;
 303     y_start = -1;
 304     page_min = -1;
 305     page_max = 0;
 306     d = ds_get_data(ts->ds);
 307     s = ts->vram;
 308     s24 = ts->vram24;
 309     cptr = ts->cplane;
 310     dd = ds_get_linesize(ts->ds);
 311     ds = 1024;
 312
 313     for(y = 0; y < ts->height; y += 4, page += TARGET_PAGE_SIZE,
 314             page24 += TARGET_PAGE_SIZE, cpage += TARGET_PAGE_SIZE) {
 315         if (check_dirty(ts, page, page24, cpage)) {
 316             if (y_start < 0)
 317                 y_start = y;
 318             if (page < page_min)
 319                 page_min = page;
 320             if (page > page_max)
 321                 page_max = page;
 322             tcx24_draw_line32(ts, d, s, ts->width, cptr, s24);
 323             d += dd;
 324             s += ds;
 325             cptr += ds;
 326             s24 += ds;
 327             tcx24_draw_line32(ts, d, s, ts->width, cptr, s24);
 328             d += dd;
 329             s += ds;
 330             cptr += ds;
 331             s24 += ds;
 332             tcx24_draw_line32(ts, d, s, ts->width, cptr, s24);
 333             d += dd;
 334             s += ds;
 335             cptr += ds;
 336             s24 += ds;
 337             tcx24_draw_line32(ts, d, s, ts->width, cptr, s24);
 338             d += dd;
 339             s += ds;
 340             cptr += ds;
 341             s24 += ds;
 342         } else {
 343             if (y_start >= 0) {
 344                 /* flush to display */
 345                 dpy_update(ts->ds, 0, y_start,
 346                            ts->width, y - y_start);
 347                 y_start = -1;
 348             }
 349             d += dd * 4;
 350             s += ds * 4;
 351             cptr += ds * 4;
 352             s24 += ds * 4;
 353         }
 354     }
 355     if (y_start >= 0) {
 356         /* flush to display */
 357         dpy_update(ts->ds, 0, y_start,
 358                    ts->width, y - y_start);
 359     }
 360     /* reset modified pages */
 361     if (page_max >= page_min) {
 362         reset_dirty(ts, page_min, page_max, page24, cpage);
 363     }
 364 }
 365
 366 static void tcx_invalidate_display(void *opaque)
 367 {
 368     TCXState *s = opaque;
 369
 370     tcx_set_dirty(s);
 371     qemu_console_resize(s->ds, s->width, s->height);
 372 }
 373
 374 static void tcx24_invalidate_display(void *opaque)
 375 {
 376     TCXState *s = opaque;
 377
 378     tcx_set_dirty(s);
 379     tcx24_set_dirty(s);
 380     qemu_console_resize(s->ds, s->width, s->height);
 381 }
 382
 383 static int vmstate_tcx_post_load(void *opaque, int version_id)
 384 {
 385     TCXState *s = opaque;
 386
 387     update_palette_entries(s, 0, 256);
 388     if (s->depth == 24) {
 389         tcx24_set_dirty(s);
 390     } else {
 391         tcx_set_dirty(s);
 392     }
 393
 394     return 0;
 395 }
 396
 397 static const VMStateDescription vmstate_tcx = {
 398     .name ="tcx",
 399     .version_id = 4,
 400     .minimum_version_id = 4,
 401     .minimum_version_id_old = 4,
 402     .post_load = vmstate_tcx_post_load,
 403     .fields      = (VMStateField []) {
 404         VMSTATE_UINT16(height, TCXState),
 405         VMSTATE_UINT16(width, TCXState),
 406         VMSTATE_UINT16(depth, TCXState),
 407         VMSTATE_BUFFER(r, TCXState),
 408         VMSTATE_BUFFER(g, TCXState),
 409         VMSTATE_BUFFER(b, TCXState),
 410         VMSTATE_UINT8(dac_index, TCXState),
 411         VMSTATE_UINT8(dac_state, TCXState),
 412         VMSTATE_END_OF_LIST()
 413     }
 414 };
 415
 416 static void tcx_reset(DeviceState *d)
 417 {
 418     TCXState *s = container_of(d, TCXState, busdev.qdev);
 419
 420     /* Initialize palette */
 421     memset(s->r, 0, 256);
 422     memset(s->g, 0, 256);
 423     memset(s->b, 0, 256);
 424     s->r[255] = s->g[255] = s->b[255] = 255;
 425     update_palette_entries(s, 0, 256);
 426     memset(s->vram, 0, MAXX*MAXY);
 427     memory_region_reset_dirty(&s->vram_mem, 0, MAXX * MAXY * (1 + 4 + 4),
 428                               DIRTY_MEMORY_VGA);
 429     s->dac_index = 0;
 430     s->dac_state = 0;
 431 }
 432
 433 static uint64_t tcx_dac_readl(void *opaque, target_phys_addr_t addr,
 434                               unsigned size)
 435 {
 436     return 0;
 437 }
 438
 439 static void tcx_dac_writel(void *opaque, target_phys_addr_t addr, uint64_t val,
 440                            unsigned size)
 441 {
 442     TCXState *s = opaque;
 443
 444     switch (addr) {
 445     case 0:
 446         s->dac_index = val >> 24;
 447         s->dac_state = 0;
 448         break;
 449     case 4:
 450         switch (s->dac_state) {
 451         case 0:
 452             s->r[s->dac_index] = val >> 24;
 453             update_palette_entries(s, s->dac_index, s->dac_index + 1);
 454             s->dac_state++;
 455             break;
 456         case 1:
 457             s->g[s->dac_index] = val >> 24;
 458             update_palette_entries(s, s->dac_index, s->dac_index + 1);
 459             s->dac_state++;
 460             break;
 461         case 2:
 462             s->b[s->dac_index] = val >> 24;
 463             update_palette_entries(s, s->dac_index, s->dac_index + 1);
 464             s->dac_index = (s->dac_index + 1) & 255; // Index autoincrement
 465         default:
 466             s->dac_state = 0;
 467             break;
 468         }
 469         break;
 470     default:
 471         break;
 472     }
 473     return;
 474 }
 475
 476 static const MemoryRegionOps tcx_dac_ops = {
 477     .read = tcx_dac_readl,
 478     .write = tcx_dac_writel,
 479     .endianness = DEVICE_NATIVE_ENDIAN,
 480     .valid = {
 481         .min_access_size = 4,
 482         .max_access_size = 4,
 483     },
 484 };
 485
 486 static uint64_t dummy_readl(void *opaque, target_phys_addr_t addr,
 487                             unsigned size)
 488 {
 489     return 0;
 490 }
 491
 492 static void dummy_writel(void *opaque, target_phys_addr_t addr,
 493                          uint64_t val, unsigned size)
 494 {
 495 }
 496
 497 static const MemoryRegionOps dummy_ops = {
 498     .read = dummy_readl,
 499     .write = dummy_writel,
 500     .endianness = DEVICE_NATIVE_ENDIAN,
 501     .valid = {
 502         .min_access_size = 4,
 503         .max_access_size = 4,
 504     },
 505 };
 506
 507 static int tcx_init1(SysBusDevice *dev)
 508 {
 509     TCXState *s = FROM_SYSBUS(TCXState, dev);
 510     ram_addr_t vram_offset = 0;
 511     int size;
 512     uint8_t *vram_base;
 513
 514     memory_region_init_ram(&s->vram_mem, "tcx.vram",
 515                            s->vram_size * (1 + 4 + 4));
 516     vmstate_register_ram_global(&s->vram_mem);
 517     vram_base = memory_region_get_ram_ptr(&s->vram_mem);
 518
 519     /* 8-bit plane */
 520     s->vram = vram_base;
 521     size = s->vram_size;
 522     memory_region_init_alias(&s->vram_8bit, "tcx.vram.8bit",
 523                              &s->vram_mem, vram_offset, size);
 524     sysbus_init_mmio(dev, &s->vram_8bit);
 525     vram_offset += size;
 526     vram_base += size;
 527
 528     /* DAC */
 529     memory_region_init_io(&s->dac, &tcx_dac_ops, s, "tcx.dac", TCX_DAC_NREGS);
 530     sysbus_init_mmio(dev, &s->dac);
 531
 532     /* TEC (dummy) */
 533     memory_region_init_io(&s->tec, &dummy_ops, s, "tcx.tec", TCX_TEC_NREGS);
 534     sysbus_init_mmio(dev, &s->tec);
 535     /* THC: NetBSD writes here even with 8-bit display: dummy */
 536     memory_region_init_io(&s->thc24, &dummy_ops, s, "tcx.thc24",
 537                           TCX_THC_NREGS_24);
 538     sysbus_init_mmio(dev, &s->thc24);
 539
 540     if (s->depth == 24) {
 541         /* 24-bit plane */
 542         size = s->vram_size * 4;
 543         s->vram24 = (uint32_t *)vram_base;
 544         s->vram24_offset = vram_offset;
 545         memory_region_init_alias(&s->vram_24bit, "tcx.vram.24bit",
 546                                  &s->vram_mem, vram_offset, size);
 547         sysbus_init_mmio(dev, &s->vram_24bit);
 548         vram_offset += size;
 549         vram_base += size;
 550
 551         /* Control plane */
 552         size = s->vram_size * 4;
 553         s->cplane = (uint32_t *)vram_base;
 554         s->cplane_offset = vram_offset;
 555         memory_region_init_alias(&s->vram_cplane, "tcx.vram.cplane",
 556                                  &s->vram_mem, vram_offset, size);
 557         sysbus_init_mmio(dev, &s->vram_cplane);
 558
 559         s->ds = graphic_console_init(tcx24_update_display,
 560                                      tcx24_invalidate_display,
 561                                      tcx24_screen_dump, NULL, s);
 562     } else {
 563         /* THC 8 bit (dummy) */
 564         memory_region_init_io(&s->thc8, &dummy_ops, s, "tcx.thc8",
 565                               TCX_THC_NREGS_8);
 566         sysbus_init_mmio(dev, &s->thc8);
 567
 568         s->ds = graphic_console_init(tcx_update_display,
 569                                      tcx_invalidate_display,
 570                                      tcx_screen_dump, NULL, s);
 571     }
 572
 573     qemu_console_resize(s->ds, s->width, s->height);
 574     return 0;
 575 }
 576
 577 static void tcx_screen_dump(void *opaque, const char *filename, bool cswitch)
 578 {
 579     TCXState *s = opaque;
 580     FILE *f;
 581     uint8_t *d, *d1, v;
 582     int y, x;
 583
 584     f = fopen(filename, "wb");
 585     if (!f)
 586         return;
 587     fprintf(f, "P6\n%d %d\n%d\n", s->width, s->height, 255);
 588     d1 = s->vram;
 589     for(y = 0; y < s->height; y++) {
 590         d = d1;
 591         for(x = 0; x < s->width; x++) {
 592             v = *d;
 593             fputc(s->r[v], f);
 594             fputc(s->g[v], f);
 595             fputc(s->b[v], f);
 596             d++;
 597         }
 598         d1 += MAXX;
 599     }
 600     fclose(f);
 601     return;
 602 }
 603
 604 static void tcx24_screen_dump(void *opaque, const char *filename, bool cswitch)
 605 {
 606     TCXState *s = opaque;
 607     FILE *f;
 608     uint8_t *d, *d1, v;
 609     uint32_t *s24, *cptr, dval;
 610     int y, x;
 611
 612     f = fopen(filename, "wb");
 613     if (!f)
 614         return;
 615     fprintf(f, "P6\n%d %d\n%d\n", s->width, s->height, 255);
 616     d1 = s->vram;
 617     s24 = s->vram24;
 618     cptr = s->cplane;
 619     for(y = 0; y < s->height; y++) {
 620         d = d1;
 621         for(x = 0; x < s->width; x++, d++, s24++) {
 622             if ((*cptr++ & 0xff000000) == 0x03000000) { // 24-bit direct
 623                 dval = *s24 & 0x00ffffff;
 624                 fputc((dval >> 16) & 0xff, f);
 625                 fputc((dval >> 8) & 0xff, f);
 626                 fputc(dval & 0xff, f);
 627             } else {
 628                 v = *d;
 629                 fputc(s->r[v], f);
 630                 fputc(s->g[v], f);
 631                 fputc(s->b[v], f);
 632             }
 633         }
 634         d1 += MAXX;
 635     }
 636     fclose(f);
 637     return;
 638 }
 639
 640 static Property tcx_properties[] = {
 641     DEFINE_PROP_TADDR("addr",      TCXState, addr,      -1),
 642     DEFINE_PROP_HEX32("vram_size", TCXState, vram_size, -1),
 643     DEFINE_PROP_UINT16("width",    TCXState, width,     -1),
 644     DEFINE_PROP_UINT16("height",   TCXState, height,    -1),
 645     DEFINE_PROP_UINT16("depth",    TCXState, depth,     -1),
 646     DEFINE_PROP_END_OF_LIST(),
 647 };
 648
 649 static void tcx_class_init(ObjectClass *klass, void *data)
 650 {
 651     DeviceClass *dc = DEVICE_CLASS(klass);
 652     SysBusDeviceClass *k = SYS_BUS_DEVICE_CLASS(klass);
 653
 654     k->init = tcx_init1;
 655     dc->reset = tcx_reset;
 656     dc->vmsd = &vmstate_tcx;
 657     dc->props = tcx_properties;
 658 }
 659
 660 static TypeInfo tcx_info = {
 661     .name          = "SUNW,tcx",
 662     .parent        = TYPE_SYS_BUS_DEVICE,
 663     .instance_size = sizeof(TCXState),
 664     .class_init    = tcx_class_init,
 665 };
 666
 667 static void tcx_register_types(void)
 668 {
 669     type_register_static(&tcx_info);
 670 }
 671
 672 type_init(tcx_register_types)