xhci: kill port arg from xhci_setup_packet
[qemu.git] / hw / tcx.c
blobceb94c74a7489d3779e62219683fe794fd1b789d
1 /*
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
22 * THE SOFTWARE.
25 #include "console.h"
26 #include "pixel_ops.h"
27 #include "sysbus.h"
28 #include "qdev-addr.h"
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
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;
59 static void tcx_screen_dump(void *opaque, const char *filename);
60 static void tcx24_screen_dump(void *opaque, const char *filename);
62 static void tcx_set_dirty(TCXState *s)
64 memory_region_set_dirty(&s->vram_mem, 0, MAXX * MAXY);
67 static void tcx24_set_dirty(TCXState *s)
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);
73 static void update_palette_entries(TCXState *s, int start, int end)
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;
96 if (s->depth == 24) {
97 tcx24_set_dirty(s);
98 } else {
99 tcx_set_dirty(s);
103 static void tcx_draw_line32(TCXState *s1, uint8_t *d,
104 const uint8_t *s, int width)
106 int x;
107 uint8_t val;
108 uint32_t *p = (uint32_t *)d;
110 for(x = 0; x < width; x++) {
111 val = *s++;
112 *p++ = s1->palette[val];
116 static void tcx_draw_line16(TCXState *s1, uint8_t *d,
117 const uint8_t *s, int width)
119 int x;
120 uint8_t val;
121 uint16_t *p = (uint16_t *)d;
123 for(x = 0; x < width; x++) {
124 val = *s++;
125 *p++ = s1->palette[val];
129 static void tcx_draw_line8(TCXState *s1, uint8_t *d,
130 const uint8_t *s, int width)
132 int x;
133 uint8_t val;
135 for(x = 0; x < width; x++) {
136 val = *s++;
137 *d++ = s1->palette[val];
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
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)
151 int x, bgr, r, g, b;
152 uint8_t val, *p8;
153 uint32_t *p = (uint32_t *)d;
154 uint32_t dval;
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];
173 *p++ = dval;
177 static inline int check_dirty(TCXState *s, ram_addr_t page, ram_addr_t page24,
178 ram_addr_t cpage)
180 int ret;
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;
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)
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);
208 /* Fixed line length 1024 allows us to do nice tricks not possible on
209 VGA... */
210 static void tcx_update_display(void *opaque)
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);
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;
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;
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;
273 d += dd * 4;
274 s += ds * 4;
277 if (y_start >= 0) {
278 /* flush to display */
279 dpy_update(ts->ds, 0, y_start,
280 ts->width, y - y_start);
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);
290 static void tcx24_update_display(void *opaque)
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;
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;
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;
349 d += dd * 4;
350 s += ds * 4;
351 cptr += ds * 4;
352 s24 += ds * 4;
355 if (y_start >= 0) {
356 /* flush to display */
357 dpy_update(ts->ds, 0, y_start,
358 ts->width, y - y_start);
360 /* reset modified pages */
361 if (page_max >= page_min) {
362 reset_dirty(ts, page_min, page_max, page24, cpage);
366 static void tcx_invalidate_display(void *opaque)
368 TCXState *s = opaque;
370 tcx_set_dirty(s);
371 qemu_console_resize(s->ds, s->width, s->height);
374 static void tcx24_invalidate_display(void *opaque)
376 TCXState *s = opaque;
378 tcx_set_dirty(s);
379 tcx24_set_dirty(s);
380 qemu_console_resize(s->ds, s->width, s->height);
383 static int vmstate_tcx_post_load(void *opaque, int version_id)
385 TCXState *s = opaque;
387 update_palette_entries(s, 0, 256);
388 if (s->depth == 24) {
389 tcx24_set_dirty(s);
390 } else {
391 tcx_set_dirty(s);
394 return 0;
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()
416 static void tcx_reset(DeviceState *d)
418 TCXState *s = container_of(d, TCXState, busdev.qdev);
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;
433 static uint64_t tcx_dac_readl(void *opaque, target_phys_addr_t addr,
434 unsigned size)
436 return 0;
439 static void tcx_dac_writel(void *opaque, target_phys_addr_t addr, uint64_t val,
440 unsigned size)
442 TCXState *s = opaque;
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;
469 break;
470 default:
471 break;
473 return;
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,
486 static uint64_t dummy_readl(void *opaque, target_phys_addr_t addr,
487 unsigned size)
489 return 0;
492 static void dummy_writel(void *opaque, target_phys_addr_t addr,
493 uint64_t val, unsigned size)
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,
507 static int tcx_init1(SysBusDevice *dev)
509 TCXState *s = FROM_SYSBUS(TCXState, dev);
510 ram_addr_t vram_offset = 0;
511 int size;
512 uint8_t *vram_base;
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);
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;
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);
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);
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;
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);
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);
568 s->ds = graphic_console_init(tcx_update_display,
569 tcx_invalidate_display,
570 tcx_screen_dump, NULL, s);
573 qemu_console_resize(s->ds, s->width, s->height);
574 return 0;
577 static void tcx_screen_dump(void *opaque, const char *filename)
579 TCXState *s = opaque;
580 FILE *f;
581 uint8_t *d, *d1, v;
582 int y, x;
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++;
598 d1 += MAXX;
600 fclose(f);
601 return;
604 static void tcx24_screen_dump(void *opaque, const char *filename)
606 TCXState *s = opaque;
607 FILE *f;
608 uint8_t *d, *d1, v;
609 uint32_t *s24, *cptr, dval;
610 int y, x;
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);
634 d1 += MAXX;
636 fclose(f);
637 return;
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(),
649 static void tcx_class_init(ObjectClass *klass, void *data)
651 DeviceClass *dc = DEVICE_CLASS(klass);
652 SysBusDeviceClass *k = SYS_BUS_DEVICE_CLASS(klass);
654 k->init = tcx_init1;
655 dc->reset = tcx_reset;
656 dc->vmsd = &vmstate_tcx;
657 dc->props = tcx_properties;
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,
667 static void tcx_register_devices(void)
669 type_register_static(&tcx_info);
672 device_init(tcx_register_devices)