2 * QEMU TCX Frame buffer
4 * Copyright (c) 2003-2005 Fabrice Bellard
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:
13 * The above copyright notice and this permission notice shall be included in
14 * all copies or substantial portions of the Software.
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
25 #include "qemu/osdep.h"
26 #include "qapi/error.h"
27 #include "qemu-common.h"
28 #include "cpu.h" /* FIXME shouldn't use TARGET_PAGE_SIZE */
29 #include "ui/console.h"
30 #include "ui/pixel_ops.h"
31 #include "hw/loader.h"
32 #include "hw/sysbus.h"
33 #include "qemu/error-report.h"
35 #define TCX_ROM_FILE "QEMU,tcx.bin"
36 #define FCODE_MAX_ROM_SIZE 0x10000
40 #define TCX_DAC_NREGS 16
41 #define TCX_THC_NREGS 0x1000
42 #define TCX_DHC_NREGS 0x4000
43 #define TCX_TEC_NREGS 0x1000
44 #define TCX_ALT_NREGS 0x8000
45 #define TCX_STIP_NREGS 0x800000
46 #define TCX_BLIT_NREGS 0x800000
47 #define TCX_RSTIP_NREGS 0x800000
48 #define TCX_RBLIT_NREGS 0x800000
50 #define TCX_THC_MISC 0x818
51 #define TCX_THC_CURSXY 0x8fc
52 #define TCX_THC_CURSMASK 0x900
53 #define TCX_THC_CURSBITS 0x980
55 #define TYPE_TCX "SUNW,tcx"
56 #define TCX(obj) OBJECT_CHECK(TCXState, (obj), TYPE_TCX)
58 typedef struct TCXState {
59 SysBusDevice parent_obj;
64 uint32_t *vram24, *cplane;
67 MemoryRegion vram_mem;
68 MemoryRegion vram_8bit;
69 MemoryRegion vram_24bit;
72 MemoryRegion vram_cplane;
82 ram_addr_t vram24_offset, cplane_offset;
85 uint32_t palette[260];
86 uint8_t r[260], g[260], b[260];
87 uint16_t width, height, depth;
88 uint8_t dac_index, dac_state;
90 uint32_t cursmask[32];
91 uint32_t cursbits[32];
96 static void tcx_set_dirty(TCXState *s)
98 memory_region_set_dirty(&s->vram_mem, 0, MAXX * MAXY);
101 static inline int tcx24_check_dirty(TCXState *s, ram_addr_t page,
102 ram_addr_t page24, ram_addr_t cpage)
106 ret = memory_region_get_dirty(&s->vram_mem, page, TARGET_PAGE_SIZE,
108 ret |= memory_region_get_dirty(&s->vram_mem, page24, TARGET_PAGE_SIZE * 4,
110 ret |= memory_region_get_dirty(&s->vram_mem, cpage, TARGET_PAGE_SIZE * 4,
115 static inline void tcx24_reset_dirty(TCXState *ts, ram_addr_t page_min,
116 ram_addr_t page_max, ram_addr_t page24,
119 memory_region_reset_dirty(&ts->vram_mem,
121 (page_max - page_min) + TARGET_PAGE_SIZE,
123 memory_region_reset_dirty(&ts->vram_mem,
124 page24 + page_min * 4,
125 (page_max - page_min) * 4 + TARGET_PAGE_SIZE,
127 memory_region_reset_dirty(&ts->vram_mem,
128 cpage + page_min * 4,
129 (page_max - page_min) * 4 + TARGET_PAGE_SIZE,
133 static void update_palette_entries(TCXState *s, int start, int end)
135 DisplaySurface *surface = qemu_console_surface(s->con);
138 for (i = start; i < end; i++) {
139 switch (surface_bits_per_pixel(surface)) {
142 s->palette[i] = rgb_to_pixel8(s->r[i], s->g[i], s->b[i]);
145 s->palette[i] = rgb_to_pixel15(s->r[i], s->g[i], s->b[i]);
148 s->palette[i] = rgb_to_pixel16(s->r[i], s->g[i], s->b[i]);
151 if (is_surface_bgr(surface)) {
152 s->palette[i] = rgb_to_pixel32bgr(s->r[i], s->g[i], s->b[i]);
154 s->palette[i] = rgb_to_pixel32(s->r[i], s->g[i], s->b[i]);
162 static void tcx_draw_line32(TCXState *s1, uint8_t *d,
163 const uint8_t *s, int width)
167 uint32_t *p = (uint32_t *)d;
169 for (x = 0; x < width; x++) {
171 *p++ = s1->palette[val];
175 static void tcx_draw_line16(TCXState *s1, uint8_t *d,
176 const uint8_t *s, int width)
180 uint16_t *p = (uint16_t *)d;
182 for (x = 0; x < width; x++) {
184 *p++ = s1->palette[val];
188 static void tcx_draw_line8(TCXState *s1, uint8_t *d,
189 const uint8_t *s, int width)
194 for(x = 0; x < width; x++) {
196 *d++ = s1->palette[val];
200 static void tcx_draw_cursor32(TCXState *s1, uint8_t *d,
205 uint32_t *p = (uint32_t *)d;
208 mask = s1->cursmask[y];
209 bits = s1->cursbits[y];
210 len = MIN(width - s1->cursx, 32);
212 for (x = 0; x < len; x++) {
213 if (mask & 0x80000000) {
214 if (bits & 0x80000000) {
215 *p = s1->palette[259];
217 *p = s1->palette[258];
226 static void tcx_draw_cursor16(TCXState *s1, uint8_t *d,
231 uint16_t *p = (uint16_t *)d;
234 mask = s1->cursmask[y];
235 bits = s1->cursbits[y];
236 len = MIN(width - s1->cursx, 32);
238 for (x = 0; x < len; x++) {
239 if (mask & 0x80000000) {
240 if (bits & 0x80000000) {
241 *p = s1->palette[259];
243 *p = s1->palette[258];
252 static void tcx_draw_cursor8(TCXState *s1, uint8_t *d,
259 mask = s1->cursmask[y];
260 bits = s1->cursbits[y];
261 len = MIN(width - s1->cursx, 32);
263 for (x = 0; x < len; x++) {
264 if (mask & 0x80000000) {
265 if (bits & 0x80000000) {
266 *d = s1->palette[259];
268 *d = s1->palette[258];
278 XXX Could be much more optimal:
279 * detect if line/page/whole screen is in 24 bit mode
280 * if destination is also BGR, use memcpy
282 static inline void tcx24_draw_line32(TCXState *s1, uint8_t *d,
283 const uint8_t *s, int width,
284 const uint32_t *cplane,
287 DisplaySurface *surface = qemu_console_surface(s1->con);
290 uint32_t *p = (uint32_t *)d;
292 bgr = is_surface_bgr(surface);
293 for(x = 0; x < width; x++, s++, s24++) {
294 if (be32_to_cpu(*cplane) & 0x03000000) {
295 /* 24-bit direct, BGR order */
302 dval = rgb_to_pixel32bgr(r, g, b);
304 dval = rgb_to_pixel32(r, g, b);
306 /* 8-bit pseudocolor */
308 dval = s1->palette[val];
315 /* Fixed line length 1024 allows us to do nice tricks not possible on
318 static void tcx_update_display(void *opaque)
320 TCXState *ts = opaque;
321 DisplaySurface *surface = qemu_console_surface(ts->con);
322 ram_addr_t page, page_min, page_max;
323 int y, y_start, dd, ds;
325 void (*f)(TCXState *s1, uint8_t *dst, const uint8_t *src, int width);
326 void (*fc)(TCXState *s1, uint8_t *dst, int y, int width);
328 if (surface_bits_per_pixel(surface) == 0) {
336 d = surface_data(surface);
338 dd = surface_stride(surface);
341 switch (surface_bits_per_pixel(surface)) {
344 fc = tcx_draw_cursor32;
349 fc = tcx_draw_cursor16;
354 fc = tcx_draw_cursor8;
360 memory_region_sync_dirty_bitmap(&ts->vram_mem);
361 for (y = 0; y < ts->height; page += TARGET_PAGE_SIZE) {
362 if (memory_region_get_dirty(&ts->vram_mem, page, TARGET_PAGE_SIZE,
371 f(ts, d, s, ts->width);
372 if (y >= ts->cursy && y < ts->cursy + 32 && ts->cursx < ts->width) {
373 fc(ts, d, y, ts->width);
379 f(ts, d, s, ts->width);
380 if (y >= ts->cursy && y < ts->cursy + 32 && ts->cursx < ts->width) {
381 fc(ts, d, y, ts->width);
387 f(ts, d, s, ts->width);
388 if (y >= ts->cursy && y < ts->cursy + 32 && ts->cursx < ts->width) {
389 fc(ts, d, y, ts->width);
395 f(ts, d, s, ts->width);
396 if (y >= ts->cursy && y < ts->cursy + 32 && ts->cursx < ts->width) {
397 fc(ts, d, y, ts->width);
404 /* flush to display */
405 dpy_gfx_update(ts->con, 0, y_start,
406 ts->width, y - y_start);
415 /* flush to display */
416 dpy_gfx_update(ts->con, 0, y_start,
417 ts->width, y - y_start);
419 /* reset modified pages */
420 if (page_max >= page_min) {
421 memory_region_reset_dirty(&ts->vram_mem,
423 (page_max - page_min) + TARGET_PAGE_SIZE,
428 static void tcx24_update_display(void *opaque)
430 TCXState *ts = opaque;
431 DisplaySurface *surface = qemu_console_surface(ts->con);
432 ram_addr_t page, page_min, page_max, cpage, page24;
433 int y, y_start, dd, ds;
435 uint32_t *cptr, *s24;
437 if (surface_bits_per_pixel(surface) != 32) {
442 page24 = ts->vram24_offset;
443 cpage = ts->cplane_offset;
447 d = surface_data(surface);
451 dd = surface_stride(surface);
454 memory_region_sync_dirty_bitmap(&ts->vram_mem);
455 for (y = 0; y < ts->height; page += TARGET_PAGE_SIZE,
456 page24 += TARGET_PAGE_SIZE, cpage += TARGET_PAGE_SIZE) {
457 if (tcx24_check_dirty(ts, page, page24, cpage)) {
464 tcx24_draw_line32(ts, d, s, ts->width, cptr, s24);
465 if (y >= ts->cursy && y < ts->cursy+32 && ts->cursx < ts->width) {
466 tcx_draw_cursor32(ts, d, y, ts->width);
473 tcx24_draw_line32(ts, d, s, ts->width, cptr, s24);
474 if (y >= ts->cursy && y < ts->cursy+32 && ts->cursx < ts->width) {
475 tcx_draw_cursor32(ts, d, y, ts->width);
482 tcx24_draw_line32(ts, d, s, ts->width, cptr, s24);
483 if (y >= ts->cursy && y < ts->cursy+32 && ts->cursx < ts->width) {
484 tcx_draw_cursor32(ts, d, y, ts->width);
491 tcx24_draw_line32(ts, d, s, ts->width, cptr, s24);
492 if (y >= ts->cursy && y < ts->cursy+32 && ts->cursx < ts->width) {
493 tcx_draw_cursor32(ts, d, y, ts->width);
502 /* flush to display */
503 dpy_gfx_update(ts->con, 0, y_start,
504 ts->width, y - y_start);
515 /* flush to display */
516 dpy_gfx_update(ts->con, 0, y_start,
517 ts->width, y - y_start);
519 /* reset modified pages */
520 if (page_max >= page_min) {
521 tcx24_reset_dirty(ts, page_min, page_max, page24, cpage);
525 static void tcx_invalidate_display(void *opaque)
527 TCXState *s = opaque;
530 qemu_console_resize(s->con, s->width, s->height);
533 static void tcx24_invalidate_display(void *opaque)
535 TCXState *s = opaque;
538 qemu_console_resize(s->con, s->width, s->height);
541 static int vmstate_tcx_post_load(void *opaque, int version_id)
543 TCXState *s = opaque;
545 update_palette_entries(s, 0, 256);
550 static const VMStateDescription vmstate_tcx = {
553 .minimum_version_id = 4,
554 .post_load = vmstate_tcx_post_load,
555 .fields = (VMStateField[]) {
556 VMSTATE_UINT16(height, TCXState),
557 VMSTATE_UINT16(width, TCXState),
558 VMSTATE_UINT16(depth, TCXState),
559 VMSTATE_BUFFER(r, TCXState),
560 VMSTATE_BUFFER(g, TCXState),
561 VMSTATE_BUFFER(b, TCXState),
562 VMSTATE_UINT8(dac_index, TCXState),
563 VMSTATE_UINT8(dac_state, TCXState),
564 VMSTATE_END_OF_LIST()
568 static void tcx_reset(DeviceState *d)
570 TCXState *s = TCX(d);
572 /* Initialize palette */
573 memset(s->r, 0, 260);
574 memset(s->g, 0, 260);
575 memset(s->b, 0, 260);
576 s->r[255] = s->g[255] = s->b[255] = 255;
577 s->r[256] = s->g[256] = s->b[256] = 255;
578 s->r[258] = s->g[258] = s->b[258] = 255;
579 update_palette_entries(s, 0, 260);
580 memset(s->vram, 0, MAXX*MAXY);
581 memory_region_reset_dirty(&s->vram_mem, 0, MAXX * MAXY * (1 + 4 + 4),
585 s->cursx = 0xf000; /* Put cursor off screen */
589 static uint64_t tcx_dac_readl(void *opaque, hwaddr addr,
592 TCXState *s = opaque;
595 switch (s->dac_state) {
597 val = s->r[s->dac_index] << 24;
601 val = s->g[s->dac_index] << 24;
605 val = s->b[s->dac_index] << 24;
606 s->dac_index = (s->dac_index + 1) & 0xff; /* Index autoincrement */
615 static void tcx_dac_writel(void *opaque, hwaddr addr, uint64_t val,
618 TCXState *s = opaque;
622 case 0: /* Address */
623 s->dac_index = val >> 24;
626 case 4: /* Pixel colours */
627 case 12: /* Overlay (cursor) colours */
629 index = (s->dac_index & 3) + 256;
631 index = s->dac_index;
633 switch (s->dac_state) {
635 s->r[index] = val >> 24;
636 update_palette_entries(s, index, index + 1);
640 s->g[index] = val >> 24;
641 update_palette_entries(s, index, index + 1);
645 s->b[index] = val >> 24;
646 update_palette_entries(s, index, index + 1);
647 s->dac_index = (s->dac_index + 1) & 0xff; /* Index autoincrement */
653 default: /* Control registers */
658 static const MemoryRegionOps tcx_dac_ops = {
659 .read = tcx_dac_readl,
660 .write = tcx_dac_writel,
661 .endianness = DEVICE_NATIVE_ENDIAN,
663 .min_access_size = 4,
664 .max_access_size = 4,
668 static uint64_t tcx_stip_readl(void *opaque, hwaddr addr,
674 static void tcx_stip_writel(void *opaque, hwaddr addr,
675 uint64_t val, unsigned size)
677 TCXState *s = opaque;
684 addr = (addr >> 3) & 0xfffff;
685 col = cpu_to_be32(s->tmpblit);
686 if (s->depth == 24) {
687 for (i = 0; i < 32; i++) {
688 if (val & 0x80000000) {
689 s->vram[addr + i] = s->tmpblit;
690 s->vram24[addr + i] = col;
695 for (i = 0; i < 32; i++) {
696 if (val & 0x80000000) {
697 s->vram[addr + i] = s->tmpblit;
702 memory_region_set_dirty(&s->vram_mem, addr, 32);
706 static void tcx_rstip_writel(void *opaque, hwaddr addr,
707 uint64_t val, unsigned size)
709 TCXState *s = opaque;
716 addr = (addr >> 3) & 0xfffff;
717 col = cpu_to_be32(s->tmpblit);
718 if (s->depth == 24) {
719 for (i = 0; i < 32; i++) {
720 if (val & 0x80000000) {
721 s->vram[addr + i] = s->tmpblit;
722 s->vram24[addr + i] = col;
723 s->cplane[addr + i] = col;
728 for (i = 0; i < 32; i++) {
729 if (val & 0x80000000) {
730 s->vram[addr + i] = s->tmpblit;
735 memory_region_set_dirty(&s->vram_mem, addr, 32);
739 static const MemoryRegionOps tcx_stip_ops = {
740 .read = tcx_stip_readl,
741 .write = tcx_stip_writel,
742 .endianness = DEVICE_NATIVE_ENDIAN,
744 .min_access_size = 4,
745 .max_access_size = 4,
749 static const MemoryRegionOps tcx_rstip_ops = {
750 .read = tcx_stip_readl,
751 .write = tcx_rstip_writel,
752 .endianness = DEVICE_NATIVE_ENDIAN,
754 .min_access_size = 4,
755 .max_access_size = 4,
759 static uint64_t tcx_blit_readl(void *opaque, hwaddr addr,
765 static void tcx_blit_writel(void *opaque, hwaddr addr,
766 uint64_t val, unsigned size)
768 TCXState *s = opaque;
775 addr = (addr >> 3) & 0xfffff;
776 adsr = val & 0xffffff;
777 len = ((val >> 24) & 0x1f) + 1;
778 if (adsr == 0xffffff) {
779 memset(&s->vram[addr], s->tmpblit, len);
780 if (s->depth == 24) {
781 val = s->tmpblit & 0xffffff;
782 val = cpu_to_be32(val);
783 for (i = 0; i < len; i++) {
784 s->vram24[addr + i] = val;
788 memcpy(&s->vram[addr], &s->vram[adsr], len);
789 if (s->depth == 24) {
790 memcpy(&s->vram24[addr], &s->vram24[adsr], len * 4);
793 memory_region_set_dirty(&s->vram_mem, addr, len);
797 static void tcx_rblit_writel(void *opaque, hwaddr addr,
798 uint64_t val, unsigned size)
800 TCXState *s = opaque;
807 addr = (addr >> 3) & 0xfffff;
808 adsr = val & 0xffffff;
809 len = ((val >> 24) & 0x1f) + 1;
810 if (adsr == 0xffffff) {
811 memset(&s->vram[addr], s->tmpblit, len);
812 if (s->depth == 24) {
813 val = s->tmpblit & 0xffffff;
814 val = cpu_to_be32(val);
815 for (i = 0; i < len; i++) {
816 s->vram24[addr + i] = val;
817 s->cplane[addr + i] = val;
821 memcpy(&s->vram[addr], &s->vram[adsr], len);
822 if (s->depth == 24) {
823 memcpy(&s->vram24[addr], &s->vram24[adsr], len * 4);
824 memcpy(&s->cplane[addr], &s->cplane[adsr], len * 4);
827 memory_region_set_dirty(&s->vram_mem, addr, len);
831 static const MemoryRegionOps tcx_blit_ops = {
832 .read = tcx_blit_readl,
833 .write = tcx_blit_writel,
834 .endianness = DEVICE_NATIVE_ENDIAN,
836 .min_access_size = 4,
837 .max_access_size = 4,
841 static const MemoryRegionOps tcx_rblit_ops = {
842 .read = tcx_blit_readl,
843 .write = tcx_rblit_writel,
844 .endianness = DEVICE_NATIVE_ENDIAN,
846 .min_access_size = 4,
847 .max_access_size = 4,
851 static void tcx_invalidate_cursor_position(TCXState *s)
853 int ymin, ymax, start, end;
855 /* invalidate only near the cursor */
857 if (ymin >= s->height) {
860 ymax = MIN(s->height, ymin + 32);
864 memory_region_set_dirty(&s->vram_mem, start, end-start);
867 static uint64_t tcx_thc_readl(void *opaque, hwaddr addr,
870 TCXState *s = opaque;
873 if (addr == TCX_THC_MISC) {
874 val = s->thcmisc | 0x02000000;
881 static void tcx_thc_writel(void *opaque, hwaddr addr,
882 uint64_t val, unsigned size)
884 TCXState *s = opaque;
886 if (addr == TCX_THC_CURSXY) {
887 tcx_invalidate_cursor_position(s);
888 s->cursx = val >> 16;
890 tcx_invalidate_cursor_position(s);
891 } else if (addr >= TCX_THC_CURSMASK && addr < TCX_THC_CURSMASK + 128) {
892 s->cursmask[(addr - TCX_THC_CURSMASK) >> 2] = val;
893 tcx_invalidate_cursor_position(s);
894 } else if (addr >= TCX_THC_CURSBITS && addr < TCX_THC_CURSBITS + 128) {
895 s->cursbits[(addr - TCX_THC_CURSBITS) >> 2] = val;
896 tcx_invalidate_cursor_position(s);
897 } else if (addr == TCX_THC_MISC) {
903 static const MemoryRegionOps tcx_thc_ops = {
904 .read = tcx_thc_readl,
905 .write = tcx_thc_writel,
906 .endianness = DEVICE_NATIVE_ENDIAN,
908 .min_access_size = 4,
909 .max_access_size = 4,
913 static uint64_t tcx_dummy_readl(void *opaque, hwaddr addr,
919 static void tcx_dummy_writel(void *opaque, hwaddr addr,
920 uint64_t val, unsigned size)
925 static const MemoryRegionOps tcx_dummy_ops = {
926 .read = tcx_dummy_readl,
927 .write = tcx_dummy_writel,
928 .endianness = DEVICE_NATIVE_ENDIAN,
930 .min_access_size = 4,
931 .max_access_size = 4,
935 static const GraphicHwOps tcx_ops = {
936 .invalidate = tcx_invalidate_display,
937 .gfx_update = tcx_update_display,
940 static const GraphicHwOps tcx24_ops = {
941 .invalidate = tcx24_invalidate_display,
942 .gfx_update = tcx24_update_display,
945 static void tcx_initfn(Object *obj)
947 SysBusDevice *sbd = SYS_BUS_DEVICE(obj);
948 TCXState *s = TCX(obj);
950 memory_region_init_ram(&s->rom, obj, "tcx.prom", FCODE_MAX_ROM_SIZE,
952 memory_region_set_readonly(&s->rom, true);
953 sysbus_init_mmio(sbd, &s->rom);
955 /* 2/STIP : Stippler */
956 memory_region_init_io(&s->stip, obj, &tcx_stip_ops, s, "tcx.stip",
958 sysbus_init_mmio(sbd, &s->stip);
960 /* 3/BLIT : Blitter */
961 memory_region_init_io(&s->blit, obj, &tcx_blit_ops, s, "tcx.blit",
963 sysbus_init_mmio(sbd, &s->blit);
965 /* 5/RSTIP : Raw Stippler */
966 memory_region_init_io(&s->rstip, obj, &tcx_rstip_ops, s, "tcx.rstip",
968 sysbus_init_mmio(sbd, &s->rstip);
970 /* 6/RBLIT : Raw Blitter */
971 memory_region_init_io(&s->rblit, obj, &tcx_rblit_ops, s, "tcx.rblit",
973 sysbus_init_mmio(sbd, &s->rblit);
976 memory_region_init_io(&s->tec, obj, &tcx_dummy_ops, s, "tcx.tec",
978 sysbus_init_mmio(sbd, &s->tec);
981 memory_region_init_io(&s->dac, obj, &tcx_dac_ops, s, "tcx.dac",
983 sysbus_init_mmio(sbd, &s->dac);
986 memory_region_init_io(&s->thc, obj, &tcx_thc_ops, s, "tcx.thc",
988 sysbus_init_mmio(sbd, &s->thc);
991 memory_region_init_io(&s->dhc, obj, &tcx_dummy_ops, s, "tcx.dhc",
993 sysbus_init_mmio(sbd, &s->dhc);
996 memory_region_init_io(&s->alt, obj, &tcx_dummy_ops, s, "tcx.alt",
998 sysbus_init_mmio(sbd, &s->alt);
1001 static void tcx_realizefn(DeviceState *dev, Error **errp)
1003 SysBusDevice *sbd = SYS_BUS_DEVICE(dev);
1004 TCXState *s = TCX(dev);
1005 ram_addr_t vram_offset = 0;
1008 char *fcode_filename;
1010 memory_region_init_ram(&s->vram_mem, OBJECT(s), "tcx.vram",
1011 s->vram_size * (1 + 4 + 4), &error_fatal);
1012 vmstate_register_ram_global(&s->vram_mem);
1013 memory_region_set_log(&s->vram_mem, true, DIRTY_MEMORY_VGA);
1014 vram_base = memory_region_get_ram_ptr(&s->vram_mem);
1016 /* 10/ROM : FCode ROM */
1017 vmstate_register_ram_global(&s->rom);
1018 fcode_filename = qemu_find_file(QEMU_FILE_TYPE_BIOS, TCX_ROM_FILE);
1019 if (fcode_filename) {
1020 ret = load_image_targphys(fcode_filename, s->prom_addr,
1021 FCODE_MAX_ROM_SIZE);
1022 g_free(fcode_filename);
1023 if (ret < 0 || ret > FCODE_MAX_ROM_SIZE) {
1024 error_report("tcx: could not load prom '%s'", TCX_ROM_FILE);
1028 /* 0/DFB8 : 8-bit plane */
1029 s->vram = vram_base;
1030 size = s->vram_size;
1031 memory_region_init_alias(&s->vram_8bit, OBJECT(s), "tcx.vram.8bit",
1032 &s->vram_mem, vram_offset, size);
1033 sysbus_init_mmio(sbd, &s->vram_8bit);
1034 vram_offset += size;
1037 /* 1/DFB24 : 24bit plane */
1038 size = s->vram_size * 4;
1039 s->vram24 = (uint32_t *)vram_base;
1040 s->vram24_offset = vram_offset;
1041 memory_region_init_alias(&s->vram_24bit, OBJECT(s), "tcx.vram.24bit",
1042 &s->vram_mem, vram_offset, size);
1043 sysbus_init_mmio(sbd, &s->vram_24bit);
1044 vram_offset += size;
1047 /* 4/RDFB32 : Raw Framebuffer */
1048 size = s->vram_size * 4;
1049 s->cplane = (uint32_t *)vram_base;
1050 s->cplane_offset = vram_offset;
1051 memory_region_init_alias(&s->vram_cplane, OBJECT(s), "tcx.vram.cplane",
1052 &s->vram_mem, vram_offset, size);
1053 sysbus_init_mmio(sbd, &s->vram_cplane);
1055 /* 9/THC24bits : NetBSD writes here even with 8-bit display: dummy */
1056 if (s->depth == 8) {
1057 memory_region_init_io(&s->thc24, OBJECT(s), &tcx_dummy_ops, s,
1058 "tcx.thc24", TCX_THC_NREGS);
1059 sysbus_init_mmio(sbd, &s->thc24);
1062 sysbus_init_irq(sbd, &s->irq);
1064 if (s->depth == 8) {
1065 s->con = graphic_console_init(DEVICE(dev), 0, &tcx_ops, s);
1067 s->con = graphic_console_init(DEVICE(dev), 0, &tcx24_ops, s);
1071 qemu_console_resize(s->con, s->width, s->height);
1074 static Property tcx_properties[] = {
1075 DEFINE_PROP_UINT32("vram_size", TCXState, vram_size, -1),
1076 DEFINE_PROP_UINT16("width", TCXState, width, -1),
1077 DEFINE_PROP_UINT16("height", TCXState, height, -1),
1078 DEFINE_PROP_UINT16("depth", TCXState, depth, -1),
1079 DEFINE_PROP_UINT64("prom_addr", TCXState, prom_addr, -1),
1080 DEFINE_PROP_END_OF_LIST(),
1083 static void tcx_class_init(ObjectClass *klass, void *data)
1085 DeviceClass *dc = DEVICE_CLASS(klass);
1087 dc->realize = tcx_realizefn;
1088 dc->reset = tcx_reset;
1089 dc->vmsd = &vmstate_tcx;
1090 dc->props = tcx_properties;
1093 static const TypeInfo tcx_info = {
1095 .parent = TYPE_SYS_BUS_DEVICE,
1096 .instance_size = sizeof(TCXState),
1097 .instance_init = tcx_initfn,
1098 .class_init = tcx_class_init,
1101 static void tcx_register_types(void)
1103 type_register_static(&tcx_info);
1106 type_init(tcx_register_types)