Don't explicitly set BAR values for VMware VGA
[qemu-kvm/amd-iommu.git] / hw / vmware_vga.c
blobec7b1cddeb0a684c95a0a4002860f8fb25fcccae
1 /*
2 * QEMU VMware-SVGA "chipset".
4 * Copyright (c) 2007 Andrzej Zaborowski <balrog@zabor.org>
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.
24 #include "hw.h"
25 #include "console.h"
26 #include "pci.h"
28 #define VERBOSE
29 #define EMBED_STDVGA
30 #undef DIRECT_VRAM
31 #define HW_RECT_ACCEL
32 #define HW_FILL_ACCEL
33 #define HW_MOUSE_ACCEL
35 #ifdef EMBED_STDVGA
36 # include "vga_int.h"
37 #endif
39 struct vmsvga_state_s {
40 #ifdef EMBED_STDVGA
41 VGA_STATE_COMMON
42 #endif
44 int width;
45 int height;
46 int invalidated;
47 int depth;
48 int bypp;
49 int enable;
50 int config;
51 struct {
52 int id;
53 int x;
54 int y;
55 int on;
56 } cursor;
58 #ifndef EMBED_STDVGA
59 DisplayState *ds;
60 int vram_size;
61 #endif
62 uint8_t *vram;
63 uint32_t vram_addr;
64 int iomemtype;
66 int index;
67 int scratch_size;
68 uint32_t *scratch;
69 int new_width;
70 int new_height;
71 uint32_t guest;
72 uint32_t svgaid;
73 uint32_t wred;
74 uint32_t wgreen;
75 uint32_t wblue;
76 int syncing;
77 int fb_size;
79 union {
80 uint32_t *fifo;
81 struct __attribute__((__packed__)) {
82 uint32_t min;
83 uint32_t max;
84 uint32_t next_cmd;
85 uint32_t stop;
86 /* Add registers here when adding capabilities. */
87 uint32_t fifo[0];
88 } *cmd;
91 #define REDRAW_FIFO_LEN 512
92 struct vmsvga_rect_s {
93 int x, y, w, h;
94 } redraw_fifo[REDRAW_FIFO_LEN];
95 int redraw_fifo_first, redraw_fifo_last;
98 struct pci_vmsvga_state_s {
99 PCIDevice card;
100 struct vmsvga_state_s chip;
103 #define SVGA_MAGIC 0x900000UL
104 #define SVGA_MAKE_ID(ver) (SVGA_MAGIC << 8 | (ver))
105 #define SVGA_ID_0 SVGA_MAKE_ID(0)
106 #define SVGA_ID_1 SVGA_MAKE_ID(1)
107 #define SVGA_ID_2 SVGA_MAKE_ID(2)
109 #define SVGA_LEGACY_BASE_PORT 0x4560
110 #define SVGA_INDEX_PORT 0x0
111 #define SVGA_VALUE_PORT 0x1
112 #define SVGA_BIOS_PORT 0x2
114 #define SVGA_VERSION_2
116 #ifdef SVGA_VERSION_2
117 # define SVGA_ID SVGA_ID_2
118 # define SVGA_IO_BASE SVGA_LEGACY_BASE_PORT
119 # define SVGA_IO_MUL 1
120 # define SVGA_FIFO_SIZE 0x10000
121 # define SVGA_MEM_BASE 0xe0000000
122 # define SVGA_PCI_DEVICE_ID PCI_DEVICE_ID_VMWARE_SVGA2
123 #else
124 # define SVGA_ID SVGA_ID_1
125 # define SVGA_IO_BASE SVGA_LEGACY_BASE_PORT
126 # define SVGA_IO_MUL 4
127 # define SVGA_FIFO_SIZE 0x10000
128 # define SVGA_MEM_BASE 0xe0000000
129 # define SVGA_PCI_DEVICE_ID PCI_DEVICE_ID_VMWARE_SVGA
130 #endif
132 enum {
133 /* ID 0, 1 and 2 registers */
134 SVGA_REG_ID = 0,
135 SVGA_REG_ENABLE = 1,
136 SVGA_REG_WIDTH = 2,
137 SVGA_REG_HEIGHT = 3,
138 SVGA_REG_MAX_WIDTH = 4,
139 SVGA_REG_MAX_HEIGHT = 5,
140 SVGA_REG_DEPTH = 6,
141 SVGA_REG_BITS_PER_PIXEL = 7, /* Current bpp in the guest */
142 SVGA_REG_PSEUDOCOLOR = 8,
143 SVGA_REG_RED_MASK = 9,
144 SVGA_REG_GREEN_MASK = 10,
145 SVGA_REG_BLUE_MASK = 11,
146 SVGA_REG_BYTES_PER_LINE = 12,
147 SVGA_REG_FB_START = 13,
148 SVGA_REG_FB_OFFSET = 14,
149 SVGA_REG_VRAM_SIZE = 15,
150 SVGA_REG_FB_SIZE = 16,
152 /* ID 1 and 2 registers */
153 SVGA_REG_CAPABILITIES = 17,
154 SVGA_REG_MEM_START = 18, /* Memory for command FIFO */
155 SVGA_REG_MEM_SIZE = 19,
156 SVGA_REG_CONFIG_DONE = 20, /* Set when memory area configured */
157 SVGA_REG_SYNC = 21, /* Write to force synchronization */
158 SVGA_REG_BUSY = 22, /* Read to check if sync is done */
159 SVGA_REG_GUEST_ID = 23, /* Set guest OS identifier */
160 SVGA_REG_CURSOR_ID = 24, /* ID of cursor */
161 SVGA_REG_CURSOR_X = 25, /* Set cursor X position */
162 SVGA_REG_CURSOR_Y = 26, /* Set cursor Y position */
163 SVGA_REG_CURSOR_ON = 27, /* Turn cursor on/off */
164 SVGA_REG_HOST_BITS_PER_PIXEL = 28, /* Current bpp in the host */
165 SVGA_REG_SCRATCH_SIZE = 29, /* Number of scratch registers */
166 SVGA_REG_MEM_REGS = 30, /* Number of FIFO registers */
167 SVGA_REG_NUM_DISPLAYS = 31, /* Number of guest displays */
168 SVGA_REG_PITCHLOCK = 32, /* Fixed pitch for all modes */
170 SVGA_PALETTE_BASE = 1024, /* Base of SVGA color map */
171 SVGA_PALETTE_END = SVGA_PALETTE_BASE + 767,
172 SVGA_SCRATCH_BASE = SVGA_PALETTE_BASE + 768,
175 #define SVGA_CAP_NONE 0
176 #define SVGA_CAP_RECT_FILL (1 << 0)
177 #define SVGA_CAP_RECT_COPY (1 << 1)
178 #define SVGA_CAP_RECT_PAT_FILL (1 << 2)
179 #define SVGA_CAP_LEGACY_OFFSCREEN (1 << 3)
180 #define SVGA_CAP_RASTER_OP (1 << 4)
181 #define SVGA_CAP_CURSOR (1 << 5)
182 #define SVGA_CAP_CURSOR_BYPASS (1 << 6)
183 #define SVGA_CAP_CURSOR_BYPASS_2 (1 << 7)
184 #define SVGA_CAP_8BIT_EMULATION (1 << 8)
185 #define SVGA_CAP_ALPHA_CURSOR (1 << 9)
186 #define SVGA_CAP_GLYPH (1 << 10)
187 #define SVGA_CAP_GLYPH_CLIPPING (1 << 11)
188 #define SVGA_CAP_OFFSCREEN_1 (1 << 12)
189 #define SVGA_CAP_ALPHA_BLEND (1 << 13)
190 #define SVGA_CAP_3D (1 << 14)
191 #define SVGA_CAP_EXTENDED_FIFO (1 << 15)
192 #define SVGA_CAP_MULTIMON (1 << 16)
193 #define SVGA_CAP_PITCHLOCK (1 << 17)
196 * FIFO offsets (seen as an array of 32-bit words)
198 enum {
200 * The original defined FIFO offsets
202 SVGA_FIFO_MIN = 0,
203 SVGA_FIFO_MAX, /* The distance from MIN to MAX must be at least 10K */
204 SVGA_FIFO_NEXT_CMD,
205 SVGA_FIFO_STOP,
208 * Additional offsets added as of SVGA_CAP_EXTENDED_FIFO
210 SVGA_FIFO_CAPABILITIES = 4,
211 SVGA_FIFO_FLAGS,
212 SVGA_FIFO_FENCE,
213 SVGA_FIFO_3D_HWVERSION,
214 SVGA_FIFO_PITCHLOCK,
217 #define SVGA_FIFO_CAP_NONE 0
218 #define SVGA_FIFO_CAP_FENCE (1 << 0)
219 #define SVGA_FIFO_CAP_ACCELFRONT (1 << 1)
220 #define SVGA_FIFO_CAP_PITCHLOCK (1 << 2)
222 #define SVGA_FIFO_FLAG_NONE 0
223 #define SVGA_FIFO_FLAG_ACCELFRONT (1 << 0)
225 /* These values can probably be changed arbitrarily. */
226 #define SVGA_SCRATCH_SIZE 0x8000
227 #define SVGA_MAX_WIDTH 2360
228 #define SVGA_MAX_HEIGHT 1770
230 #ifdef VERBOSE
231 # define GUEST_OS_BASE 0x5001
232 static const char *vmsvga_guest_id[] = {
233 [0x00 ... 0x15] = "an unknown OS",
234 [0x00] = "Dos",
235 [0x01] = "Windows 3.1",
236 [0x02] = "Windows 95",
237 [0x03] = "Windows 98",
238 [0x04] = "Windows ME",
239 [0x05] = "Windows NT",
240 [0x06] = "Windows 2000",
241 [0x07] = "Linux",
242 [0x08] = "OS/2",
243 [0x0a] = "BSD",
244 [0x0b] = "Whistler",
245 [0x15] = "Windows 2003",
247 #endif
249 enum {
250 SVGA_CMD_INVALID_CMD = 0,
251 SVGA_CMD_UPDATE = 1,
252 SVGA_CMD_RECT_FILL = 2,
253 SVGA_CMD_RECT_COPY = 3,
254 SVGA_CMD_DEFINE_BITMAP = 4,
255 SVGA_CMD_DEFINE_BITMAP_SCANLINE = 5,
256 SVGA_CMD_DEFINE_PIXMAP = 6,
257 SVGA_CMD_DEFINE_PIXMAP_SCANLINE = 7,
258 SVGA_CMD_RECT_BITMAP_FILL = 8,
259 SVGA_CMD_RECT_PIXMAP_FILL = 9,
260 SVGA_CMD_RECT_BITMAP_COPY = 10,
261 SVGA_CMD_RECT_PIXMAP_COPY = 11,
262 SVGA_CMD_FREE_OBJECT = 12,
263 SVGA_CMD_RECT_ROP_FILL = 13,
264 SVGA_CMD_RECT_ROP_COPY = 14,
265 SVGA_CMD_RECT_ROP_BITMAP_FILL = 15,
266 SVGA_CMD_RECT_ROP_PIXMAP_FILL = 16,
267 SVGA_CMD_RECT_ROP_BITMAP_COPY = 17,
268 SVGA_CMD_RECT_ROP_PIXMAP_COPY = 18,
269 SVGA_CMD_DEFINE_CURSOR = 19,
270 SVGA_CMD_DISPLAY_CURSOR = 20,
271 SVGA_CMD_MOVE_CURSOR = 21,
272 SVGA_CMD_DEFINE_ALPHA_CURSOR = 22,
273 SVGA_CMD_DRAW_GLYPH = 23,
274 SVGA_CMD_DRAW_GLYPH_CLIPPED = 24,
275 SVGA_CMD_UPDATE_VERBOSE = 25,
276 SVGA_CMD_SURFACE_FILL = 26,
277 SVGA_CMD_SURFACE_COPY = 27,
278 SVGA_CMD_SURFACE_ALPHA_BLEND = 28,
279 SVGA_CMD_FRONT_ROP_FILL = 29,
280 SVGA_CMD_FENCE = 30,
283 /* Legal values for the SVGA_REG_CURSOR_ON register in cursor bypass mode */
284 enum {
285 SVGA_CURSOR_ON_HIDE = 0,
286 SVGA_CURSOR_ON_SHOW = 1,
287 SVGA_CURSOR_ON_REMOVE_FROM_FB = 2,
288 SVGA_CURSOR_ON_RESTORE_TO_FB = 3,
291 static inline void vmsvga_update_rect(struct vmsvga_state_s *s,
292 int x, int y, int w, int h)
294 #ifndef DIRECT_VRAM
295 int line = h;
296 int bypl = s->bypp * s->width;
297 int width = s->bypp * w;
298 int start = s->bypp * x + bypl * y;
299 uint8_t *src = s->vram + start;
300 uint8_t *dst = s->ds->data + start;
302 for (; line > 0; line --, src += bypl, dst += bypl)
303 memcpy(dst, src, width);
304 #endif
306 dpy_update(s->ds, x, y, w, h);
309 static inline void vmsvga_update_screen(struct vmsvga_state_s *s)
311 #ifndef DIRECT_VRAM
312 memcpy(s->ds->data, s->vram, s->bypp * s->width * s->height);
313 #endif
315 dpy_update(s->ds, 0, 0, s->width, s->height);
318 #ifdef DIRECT_VRAM
319 # define vmsvga_update_rect_delayed vmsvga_update_rect
320 #else
321 static inline void vmsvga_update_rect_delayed(struct vmsvga_state_s *s,
322 int x, int y, int w, int h)
324 struct vmsvga_rect_s *rect = &s->redraw_fifo[s->redraw_fifo_last ++];
325 s->redraw_fifo_last &= REDRAW_FIFO_LEN - 1;
326 rect->x = x;
327 rect->y = y;
328 rect->w = w;
329 rect->h = h;
331 #endif
333 static inline void vmsvga_update_rect_flush(struct vmsvga_state_s *s)
335 struct vmsvga_rect_s *rect;
336 if (s->invalidated) {
337 s->redraw_fifo_first = s->redraw_fifo_last;
338 return;
340 /* Overlapping region updates can be optimised out here - if someone
341 * knows a smart algorithm to do that, please share. */
342 while (s->redraw_fifo_first != s->redraw_fifo_last) {
343 rect = &s->redraw_fifo[s->redraw_fifo_first ++];
344 s->redraw_fifo_first &= REDRAW_FIFO_LEN - 1;
345 vmsvga_update_rect(s, rect->x, rect->y, rect->w, rect->h);
349 #ifdef HW_RECT_ACCEL
350 static inline void vmsvga_copy_rect(struct vmsvga_state_s *s,
351 int x0, int y0, int x1, int y1, int w, int h)
353 # ifdef DIRECT_VRAM
354 uint8_t *vram = s->ds->data;
355 # else
356 uint8_t *vram = s->vram;
357 # endif
358 int bypl = s->bypp * s->width;
359 int width = s->bypp * w;
360 int line = h;
361 uint8_t *ptr[2];
363 # ifdef DIRECT_VRAM
364 if (s->ds->dpy_copy)
365 s->ds->dpy_copy(s->ds, x0, y0, x1, y1, w, h);
366 else
367 # endif
369 if (y1 > y0) {
370 ptr[0] = vram + s->bypp * x0 + bypl * (y0 + h - 1);
371 ptr[1] = vram + s->bypp * x1 + bypl * (y1 + h - 1);
372 for (; line > 0; line --, ptr[0] -= bypl, ptr[1] -= bypl)
373 memmove(ptr[1], ptr[0], width);
374 } else {
375 ptr[0] = vram + s->bypp * x0 + bypl * y0;
376 ptr[1] = vram + s->bypp * x1 + bypl * y1;
377 for (; line > 0; line --, ptr[0] += bypl, ptr[1] += bypl)
378 memmove(ptr[1], ptr[0], width);
382 vmsvga_update_rect_delayed(s, x1, y1, w, h);
384 #endif
386 #ifdef HW_FILL_ACCEL
387 static inline void vmsvga_fill_rect(struct vmsvga_state_s *s,
388 uint32_t c, int x, int y, int w, int h)
390 # ifdef DIRECT_VRAM
391 uint8_t *vram = s->ds->data;
392 # else
393 uint8_t *vram = s->vram;
394 # endif
395 int bypp = s->bypp;
396 int bypl = bypp * s->width;
397 int width = bypp * w;
398 int line = h;
399 int column;
400 uint8_t *fst = vram + bypp * x + bypl * y;
401 uint8_t *dst;
402 uint8_t *src;
403 uint8_t col[4];
405 # ifdef DIRECT_VRAM
406 if (s->ds->dpy_fill)
407 s->ds->dpy_fill(s->ds, x, y, w, h, c);
408 else
409 # endif
411 col[0] = c;
412 col[1] = c >> 8;
413 col[2] = c >> 16;
414 col[3] = c >> 24;
416 if (line --) {
417 dst = fst;
418 src = col;
419 for (column = width; column > 0; column --) {
420 *(dst ++) = *(src ++);
421 if (src - col == bypp)
422 src = col;
424 dst = fst;
425 for (; line > 0; line --) {
426 dst += bypl;
427 memcpy(dst, fst, width);
432 vmsvga_update_rect_delayed(s, x, y, w, h);
434 #endif
436 struct vmsvga_cursor_definition_s {
437 int width;
438 int height;
439 int id;
440 int bpp;
441 int hot_x;
442 int hot_y;
443 uint32_t mask[1024];
444 uint32_t image[1024];
447 #define SVGA_BITMAP_SIZE(w, h) ((((w) + 31) >> 5) * (h))
448 #define SVGA_PIXMAP_SIZE(w, h, bpp) (((((w) * (bpp)) + 31) >> 5) * (h))
450 #ifdef HW_MOUSE_ACCEL
451 static inline void vmsvga_cursor_define(struct vmsvga_state_s *s,
452 struct vmsvga_cursor_definition_s *c)
454 int i;
455 for (i = SVGA_BITMAP_SIZE(c->width, c->height) - 1; i >= 0; i --)
456 c->mask[i] = ~c->mask[i];
458 if (s->ds->cursor_define)
459 s->ds->cursor_define(c->width, c->height, c->bpp, c->hot_x, c->hot_y,
460 (uint8_t *) c->image, (uint8_t *) c->mask);
462 #endif
464 static inline int vmsvga_fifo_empty(struct vmsvga_state_s *s)
466 if (!s->config || !s->enable)
467 return 1;
468 return (s->cmd->next_cmd == s->cmd->stop);
471 static inline uint32_t vmsvga_fifo_read(struct vmsvga_state_s *s)
473 uint32_t cmd = s->fifo[s->cmd->stop >> 2];
474 s->cmd->stop += 4;
475 if (s->cmd->stop >= s->cmd->max)
476 s->cmd->stop = s->cmd->min;
477 return cmd;
480 static void vmsvga_fifo_run(struct vmsvga_state_s *s)
482 uint32_t cmd, colour;
483 int args = 0;
484 int x, y, dx, dy, width, height;
485 struct vmsvga_cursor_definition_s cursor;
486 while (!vmsvga_fifo_empty(s))
487 switch (cmd = vmsvga_fifo_read(s)) {
488 case SVGA_CMD_UPDATE:
489 case SVGA_CMD_UPDATE_VERBOSE:
490 x = vmsvga_fifo_read(s);
491 y = vmsvga_fifo_read(s);
492 width = vmsvga_fifo_read(s);
493 height = vmsvga_fifo_read(s);
494 vmsvga_update_rect_delayed(s, x, y, width, height);
495 break;
497 case SVGA_CMD_RECT_FILL:
498 colour = vmsvga_fifo_read(s);
499 x = vmsvga_fifo_read(s);
500 y = vmsvga_fifo_read(s);
501 width = vmsvga_fifo_read(s);
502 height = vmsvga_fifo_read(s);
503 #ifdef HW_FILL_ACCEL
504 vmsvga_fill_rect(s, colour, x, y, width, height);
505 break;
506 #else
507 goto badcmd;
508 #endif
510 case SVGA_CMD_RECT_COPY:
511 x = vmsvga_fifo_read(s);
512 y = vmsvga_fifo_read(s);
513 dx = vmsvga_fifo_read(s);
514 dy = vmsvga_fifo_read(s);
515 width = vmsvga_fifo_read(s);
516 height = vmsvga_fifo_read(s);
517 #ifdef HW_RECT_ACCEL
518 vmsvga_copy_rect(s, x, y, dx, dy, width, height);
519 break;
520 #else
521 goto badcmd;
522 #endif
524 case SVGA_CMD_DEFINE_CURSOR:
525 cursor.id = vmsvga_fifo_read(s);
526 cursor.hot_x = vmsvga_fifo_read(s);
527 cursor.hot_y = vmsvga_fifo_read(s);
528 cursor.width = x = vmsvga_fifo_read(s);
529 cursor.height = y = vmsvga_fifo_read(s);
530 vmsvga_fifo_read(s);
531 cursor.bpp = vmsvga_fifo_read(s);
532 for (args = 0; args < SVGA_BITMAP_SIZE(x, y); args ++)
533 cursor.mask[args] = vmsvga_fifo_read(s);
534 for (args = 0; args < SVGA_PIXMAP_SIZE(x, y, cursor.bpp); args ++)
535 cursor.image[args] = vmsvga_fifo_read(s);
536 #ifdef HW_MOUSE_ACCEL
537 vmsvga_cursor_define(s, &cursor);
538 break;
539 #else
540 args = 0;
541 goto badcmd;
542 #endif
545 * Other commands that we at least know the number of arguments
546 * for so we can avoid FIFO desync if driver uses them illegally.
548 case SVGA_CMD_DEFINE_ALPHA_CURSOR:
549 vmsvga_fifo_read(s);
550 vmsvga_fifo_read(s);
551 vmsvga_fifo_read(s);
552 x = vmsvga_fifo_read(s);
553 y = vmsvga_fifo_read(s);
554 args = x * y;
555 goto badcmd;
556 case SVGA_CMD_RECT_ROP_FILL:
557 args = 6;
558 goto badcmd;
559 case SVGA_CMD_RECT_ROP_COPY:
560 args = 7;
561 goto badcmd;
562 case SVGA_CMD_DRAW_GLYPH_CLIPPED:
563 vmsvga_fifo_read(s);
564 vmsvga_fifo_read(s);
565 args = 7 + (vmsvga_fifo_read(s) >> 2);
566 goto badcmd;
567 case SVGA_CMD_SURFACE_ALPHA_BLEND:
568 args = 12;
569 goto badcmd;
572 * Other commands that are not listed as depending on any
573 * CAPABILITIES bits, but are not described in the README either.
575 case SVGA_CMD_SURFACE_FILL:
576 case SVGA_CMD_SURFACE_COPY:
577 case SVGA_CMD_FRONT_ROP_FILL:
578 case SVGA_CMD_FENCE:
579 case SVGA_CMD_INVALID_CMD:
580 break; /* Nop */
582 default:
583 badcmd:
584 while (args --)
585 vmsvga_fifo_read(s);
586 printf("%s: Unknown command 0x%02x in SVGA command FIFO\n",
587 __FUNCTION__, cmd);
588 break;
591 s->syncing = 0;
594 static uint32_t vmsvga_index_read(void *opaque, uint32_t address)
596 struct vmsvga_state_s *s = (struct vmsvga_state_s *) opaque;
597 return s->index;
600 static void vmsvga_index_write(void *opaque, uint32_t address, uint32_t index)
602 struct vmsvga_state_s *s = (struct vmsvga_state_s *) opaque;
603 s->index = index;
606 static uint32_t vmsvga_value_read(void *opaque, uint32_t address)
608 uint32_t caps;
609 struct vmsvga_state_s *s = (struct vmsvga_state_s *) opaque;
610 switch (s->index) {
611 case SVGA_REG_ID:
612 return s->svgaid;
614 case SVGA_REG_ENABLE:
615 return s->enable;
617 case SVGA_REG_WIDTH:
618 return s->width;
620 case SVGA_REG_HEIGHT:
621 return s->height;
623 case SVGA_REG_MAX_WIDTH:
624 return SVGA_MAX_WIDTH;
626 case SVGA_REG_MAX_HEIGHT:
627 return SVGA_MAX_HEIGHT;
629 case SVGA_REG_DEPTH:
630 return s->depth;
632 case SVGA_REG_BITS_PER_PIXEL:
633 return (s->depth + 7) & ~7;
635 case SVGA_REG_PSEUDOCOLOR:
636 return 0x0;
638 case SVGA_REG_RED_MASK:
639 return s->wred;
640 case SVGA_REG_GREEN_MASK:
641 return s->wgreen;
642 case SVGA_REG_BLUE_MASK:
643 return s->wblue;
645 case SVGA_REG_BYTES_PER_LINE:
646 return ((s->depth + 7) >> 3) * s->new_width;
648 case SVGA_REG_FB_START:
649 return s->vram_addr;
651 case SVGA_REG_FB_OFFSET:
652 return 0x0;
654 case SVGA_REG_VRAM_SIZE:
655 return s->vram_size - SVGA_FIFO_SIZE;
657 case SVGA_REG_FB_SIZE:
658 return s->fb_size;
660 case SVGA_REG_CAPABILITIES:
661 caps = SVGA_CAP_NONE;
662 #ifdef HW_RECT_ACCEL
663 caps |= SVGA_CAP_RECT_COPY;
664 #endif
665 #ifdef HW_FILL_ACCEL
666 caps |= SVGA_CAP_RECT_FILL;
667 #endif
668 #ifdef HW_MOUSE_ACCEL
669 if (s->ds->mouse_set)
670 caps |= SVGA_CAP_CURSOR | SVGA_CAP_CURSOR_BYPASS_2 |
671 SVGA_CAP_CURSOR_BYPASS;
672 #endif
673 return caps;
675 case SVGA_REG_MEM_START:
676 return s->vram_addr + s->vram_size - SVGA_FIFO_SIZE;
678 case SVGA_REG_MEM_SIZE:
679 return SVGA_FIFO_SIZE;
681 case SVGA_REG_CONFIG_DONE:
682 return s->config;
684 case SVGA_REG_SYNC:
685 case SVGA_REG_BUSY:
686 return s->syncing;
688 case SVGA_REG_GUEST_ID:
689 return s->guest;
691 case SVGA_REG_CURSOR_ID:
692 return s->cursor.id;
694 case SVGA_REG_CURSOR_X:
695 return s->cursor.x;
697 case SVGA_REG_CURSOR_Y:
698 return s->cursor.x;
700 case SVGA_REG_CURSOR_ON:
701 return s->cursor.on;
703 case SVGA_REG_HOST_BITS_PER_PIXEL:
704 return (s->depth + 7) & ~7;
706 case SVGA_REG_SCRATCH_SIZE:
707 return s->scratch_size;
709 case SVGA_REG_MEM_REGS:
710 case SVGA_REG_NUM_DISPLAYS:
711 case SVGA_REG_PITCHLOCK:
712 case SVGA_PALETTE_BASE ... SVGA_PALETTE_END:
713 return 0;
715 default:
716 if (s->index >= SVGA_SCRATCH_BASE &&
717 s->index < SVGA_SCRATCH_BASE + s->scratch_size)
718 return s->scratch[s->index - SVGA_SCRATCH_BASE];
719 printf("%s: Bad register %02x\n", __FUNCTION__, s->index);
722 return 0;
725 static void vmsvga_value_write(void *opaque, uint32_t address, uint32_t value)
727 struct vmsvga_state_s *s = (struct vmsvga_state_s *) opaque;
728 switch (s->index) {
729 case SVGA_REG_ID:
730 if (value == SVGA_ID_2 || value == SVGA_ID_1 || value == SVGA_ID_0)
731 s->svgaid = value;
732 break;
734 case SVGA_REG_ENABLE:
735 s->enable = value;
736 s->config &= !!value;
737 s->width = -1;
738 s->height = -1;
739 s->invalidated = 1;
740 #ifdef EMBED_STDVGA
741 s->invalidate(opaque);
742 #endif
743 if (s->enable)
744 s->fb_size = ((s->depth + 7) >> 3) * s->new_width * s->new_height;
745 break;
747 case SVGA_REG_WIDTH:
748 s->new_width = value;
749 s->invalidated = 1;
750 break;
752 case SVGA_REG_HEIGHT:
753 s->new_height = value;
754 s->invalidated = 1;
755 break;
757 case SVGA_REG_DEPTH:
758 case SVGA_REG_BITS_PER_PIXEL:
759 if (value != s->depth) {
760 printf("%s: Bad colour depth: %i bits\n", __FUNCTION__, value);
761 s->config = 0;
763 break;
765 case SVGA_REG_CONFIG_DONE:
766 if (value) {
767 s->fifo = (uint32_t *) &s->vram[s->vram_size - SVGA_FIFO_SIZE];
768 /* Check range and alignment. */
769 if ((s->cmd->min | s->cmd->max |
770 s->cmd->next_cmd | s->cmd->stop) & 3)
771 break;
772 if (s->cmd->min < (uint8_t *) s->cmd->fifo - (uint8_t *) s->fifo)
773 break;
774 if (s->cmd->max > SVGA_FIFO_SIZE)
775 break;
776 if (s->cmd->max < s->cmd->min + 10 * 1024)
777 break;
779 s->config = !!value;
780 break;
782 case SVGA_REG_SYNC:
783 s->syncing = 1;
784 vmsvga_fifo_run(s); /* Or should we just wait for update_display? */
785 break;
787 case SVGA_REG_GUEST_ID:
788 s->guest = value;
789 #ifdef VERBOSE
790 if (value >= GUEST_OS_BASE && value < GUEST_OS_BASE +
791 sizeof(vmsvga_guest_id) / sizeof(*vmsvga_guest_id))
792 printf("%s: guest runs %s.\n", __FUNCTION__,
793 vmsvga_guest_id[value - GUEST_OS_BASE]);
794 #endif
795 break;
797 case SVGA_REG_CURSOR_ID:
798 s->cursor.id = value;
799 break;
801 case SVGA_REG_CURSOR_X:
802 s->cursor.x = value;
803 break;
805 case SVGA_REG_CURSOR_Y:
806 s->cursor.y = value;
807 break;
809 case SVGA_REG_CURSOR_ON:
810 s->cursor.on |= (value == SVGA_CURSOR_ON_SHOW);
811 s->cursor.on &= (value != SVGA_CURSOR_ON_HIDE);
812 #ifdef HW_MOUSE_ACCEL
813 if (s->ds->mouse_set && value <= SVGA_CURSOR_ON_SHOW)
814 s->ds->mouse_set(s->cursor.x, s->cursor.y, s->cursor.on);
815 #endif
816 break;
818 case SVGA_REG_MEM_REGS:
819 case SVGA_REG_NUM_DISPLAYS:
820 case SVGA_REG_PITCHLOCK:
821 case SVGA_PALETTE_BASE ... SVGA_PALETTE_END:
822 break;
824 default:
825 if (s->index >= SVGA_SCRATCH_BASE &&
826 s->index < SVGA_SCRATCH_BASE + s->scratch_size) {
827 s->scratch[s->index - SVGA_SCRATCH_BASE] = value;
828 break;
830 printf("%s: Bad register %02x\n", __FUNCTION__, s->index);
834 static uint32_t vmsvga_bios_read(void *opaque, uint32_t address)
836 printf("%s: what are we supposed to return?\n", __FUNCTION__);
837 return 0xcafe;
840 static void vmsvga_bios_write(void *opaque, uint32_t address, uint32_t data)
842 printf("%s: what are we supposed to do with (%08x)?\n",
843 __FUNCTION__, data);
846 static inline void vmsvga_size(struct vmsvga_state_s *s)
848 if (s->new_width != s->width || s->new_height != s->height) {
849 s->width = s->new_width;
850 s->height = s->new_height;
851 dpy_resize(s->ds, s->width, s->height);
852 s->invalidated = 1;
856 static void vmsvga_update_display(void *opaque)
858 struct vmsvga_state_s *s = (struct vmsvga_state_s *) opaque;
859 if (!s->enable) {
860 #ifdef EMBED_STDVGA
861 s->update(opaque);
862 #endif
863 return;
866 vmsvga_size(s);
868 vmsvga_fifo_run(s);
869 vmsvga_update_rect_flush(s);
872 * Is it more efficient to look at vram VGA-dirty bits or wait
873 * for the driver to issue SVGA_CMD_UPDATE?
875 if (s->invalidated) {
876 s->invalidated = 0;
877 vmsvga_update_screen(s);
881 static void vmsvga_reset(struct vmsvga_state_s *s)
883 s->index = 0;
884 s->enable = 0;
885 s->config = 0;
886 s->width = -1;
887 s->height = -1;
888 s->svgaid = SVGA_ID;
889 s->depth = s->ds->depth ? s->ds->depth : 24;
890 s->bypp = (s->depth + 7) >> 3;
891 s->cursor.on = 0;
892 s->redraw_fifo_first = 0;
893 s->redraw_fifo_last = 0;
894 switch (s->depth) {
895 case 8:
896 s->wred = 0x00000007;
897 s->wgreen = 0x00000038;
898 s->wblue = 0x000000c0;
899 break;
900 case 15:
901 s->wred = 0x0000001f;
902 s->wgreen = 0x000003e0;
903 s->wblue = 0x00007c00;
904 break;
905 case 16:
906 s->wred = 0x0000001f;
907 s->wgreen = 0x000007e0;
908 s->wblue = 0x0000f800;
909 break;
910 case 24:
911 s->wred = 0x00ff0000;
912 s->wgreen = 0x0000ff00;
913 s->wblue = 0x000000ff;
914 break;
915 case 32:
916 s->wred = 0x00ff0000;
917 s->wgreen = 0x0000ff00;
918 s->wblue = 0x000000ff;
919 break;
921 s->syncing = 0;
924 static void vmsvga_invalidate_display(void *opaque)
926 struct vmsvga_state_s *s = (struct vmsvga_state_s *) opaque;
927 if (!s->enable) {
928 #ifdef EMBED_STDVGA
929 s->invalidate(opaque);
930 #endif
931 return;
934 s->invalidated = 1;
937 /* save the vga display in a PPM image even if no display is
938 available */
939 static void vmsvga_screen_dump(void *opaque, const char *filename)
941 struct vmsvga_state_s *s = (struct vmsvga_state_s *) opaque;
942 if (!s->enable) {
943 #ifdef EMBED_STDVGA
944 s->screen_dump(opaque, filename);
945 #endif
946 return;
949 if (s->depth == 32) {
950 ppm_save(filename, s->vram, s->width, s->height, s->ds->linesize);
954 #ifdef DIRECT_VRAM
955 static uint32_t vmsvga_vram_readb(void *opaque, target_phys_addr_t addr)
957 struct vmsvga_state_s *s = (struct vmsvga_state_s *) opaque;
958 addr -= s->vram_addr;
959 if (addr < s->fb_size)
960 return *(uint8_t *) (s->ds->data + addr);
961 else
962 return *(uint8_t *) (s->vram + addr);
965 static uint32_t vmsvga_vram_readw(void *opaque, target_phys_addr_t addr)
967 struct vmsvga_state_s *s = (struct vmsvga_state_s *) opaque;
968 addr -= s->vram_addr;
969 if (addr < s->fb_size)
970 return *(uint16_t *) (s->ds->data + addr);
971 else
972 return *(uint16_t *) (s->vram + addr);
975 static uint32_t vmsvga_vram_readl(void *opaque, target_phys_addr_t addr)
977 struct vmsvga_state_s *s = (struct vmsvga_state_s *) opaque;
978 addr -= s->vram_addr;
979 if (addr < s->fb_size)
980 return *(uint32_t *) (s->ds->data + addr);
981 else
982 return *(uint32_t *) (s->vram + addr);
985 static void vmsvga_vram_writeb(void *opaque, target_phys_addr_t addr,
986 uint32_t value)
988 struct vmsvga_state_s *s = (struct vmsvga_state_s *) opaque;
989 addr -= s->vram_addr;
990 if (addr < s->fb_size)
991 *(uint8_t *) (s->ds->data + addr) = value;
992 else
993 *(uint8_t *) (s->vram + addr) = value;
996 static void vmsvga_vram_writew(void *opaque, target_phys_addr_t addr,
997 uint32_t value)
999 struct vmsvga_state_s *s = (struct vmsvga_state_s *) opaque;
1000 addr -= s->vram_addr;
1001 if (addr < s->fb_size)
1002 *(uint16_t *) (s->ds->data + addr) = value;
1003 else
1004 *(uint16_t *) (s->vram + addr) = value;
1007 static void vmsvga_vram_writel(void *opaque, target_phys_addr_t addr,
1008 uint32_t value)
1010 struct vmsvga_state_s *s = (struct vmsvga_state_s *) opaque;
1011 addr -= s->vram_addr;
1012 if (addr < s->fb_size)
1013 *(uint32_t *) (s->ds->data + addr) = value;
1014 else
1015 *(uint32_t *) (s->vram + addr) = value;
1018 static CPUReadMemoryFunc *vmsvga_vram_read[] = {
1019 vmsvga_vram_readb,
1020 vmsvga_vram_readw,
1021 vmsvga_vram_readl,
1024 static CPUWriteMemoryFunc *vmsvga_vram_write[] = {
1025 vmsvga_vram_writeb,
1026 vmsvga_vram_writew,
1027 vmsvga_vram_writel,
1029 #endif
1031 static void vmsvga_save(struct vmsvga_state_s *s, QEMUFile *f)
1033 qemu_put_be32(f, s->depth);
1034 qemu_put_be32(f, s->enable);
1035 qemu_put_be32(f, s->config);
1036 qemu_put_be32(f, s->cursor.id);
1037 qemu_put_be32(f, s->cursor.x);
1038 qemu_put_be32(f, s->cursor.y);
1039 qemu_put_be32(f, s->cursor.on);
1040 qemu_put_be32(f, s->index);
1041 qemu_put_buffer(f, (uint8_t *) s->scratch, s->scratch_size * 4);
1042 qemu_put_be32(f, s->new_width);
1043 qemu_put_be32(f, s->new_height);
1044 qemu_put_be32s(f, &s->guest);
1045 qemu_put_be32s(f, &s->svgaid);
1046 qemu_put_be32(f, s->syncing);
1047 qemu_put_be32(f, s->fb_size);
1050 static int vmsvga_load(struct vmsvga_state_s *s, QEMUFile *f)
1052 int depth;
1053 depth=qemu_get_be32(f);
1054 s->enable=qemu_get_be32(f);
1055 s->config=qemu_get_be32(f);
1056 s->cursor.id=qemu_get_be32(f);
1057 s->cursor.x=qemu_get_be32(f);
1058 s->cursor.y=qemu_get_be32(f);
1059 s->cursor.on=qemu_get_be32(f);
1060 s->index=qemu_get_be32(f);
1061 qemu_get_buffer(f, (uint8_t *) s->scratch, s->scratch_size * 4);
1062 s->new_width=qemu_get_be32(f);
1063 s->new_height=qemu_get_be32(f);
1064 qemu_get_be32s(f, &s->guest);
1065 qemu_get_be32s(f, &s->svgaid);
1066 s->syncing=qemu_get_be32(f);
1067 s->fb_size=qemu_get_be32(f);
1069 if (s->enable && depth != s->depth) {
1070 printf("%s: need colour depth of %i bits to resume operation.\n",
1071 __FUNCTION__, depth);
1072 return -EINVAL;
1075 s->invalidated = 1;
1076 if (s->config)
1077 s->fifo = (uint32_t *) &s->vram[s->vram_size - SVGA_FIFO_SIZE];
1079 return 0;
1082 static void vmsvga_init(struct vmsvga_state_s *s, DisplayState *ds,
1083 uint8_t *vga_ram_base, unsigned long vga_ram_offset,
1084 int vga_ram_size)
1086 s->ds = ds;
1087 s->vram = vga_ram_base;
1088 s->vram_size = vga_ram_size;
1089 s->vram_addr = 0;
1091 s->scratch_size = SVGA_SCRATCH_SIZE;
1092 s->scratch = (uint32_t *) qemu_malloc(s->scratch_size * 4);
1094 vmsvga_reset(s);
1096 #ifdef DIRECT_VRAM
1097 s->iomemtype = cpu_register_io_memory(0, vmsvga_vram_read,
1098 vmsvga_vram_write, s);
1099 #else
1100 s->iomemtype = vga_ram_offset | IO_MEM_RAM;
1101 #endif
1103 graphic_console_init(ds, vmsvga_update_display,
1104 vmsvga_invalidate_display, vmsvga_screen_dump, s);
1106 #ifdef EMBED_STDVGA
1107 vga_common_init((VGAState *) s, ds,
1108 vga_ram_base, vga_ram_offset, vga_ram_size);
1109 vga_init((VGAState *) s);
1110 #endif
1113 static void pci_vmsvga_save(QEMUFile *f, void *opaque)
1115 struct pci_vmsvga_state_s *s = (struct pci_vmsvga_state_s *) opaque;
1116 pci_device_save(&s->card, f);
1117 vmsvga_save(&s->chip, f);
1120 static int pci_vmsvga_load(QEMUFile *f, void *opaque, int version_id)
1122 struct pci_vmsvga_state_s *s = (struct pci_vmsvga_state_s *) opaque;
1123 int ret;
1125 ret = pci_device_load(&s->card, f);
1126 if (ret < 0)
1127 return ret;
1129 ret = vmsvga_load(&s->chip, f);
1130 if (ret < 0)
1131 return ret;
1133 return 0;
1136 static void pci_vmsvga_map(PCIDevice *pci_dev, int region_num,
1137 uint32_t addr, uint32_t size, int type)
1139 struct pci_vmsvga_state_s *d = (struct pci_vmsvga_state_s *) pci_dev;
1140 struct vmsvga_state_s *s = &d->chip;
1142 if (region_num == 0) {
1143 register_ioport_read(addr + SVGA_IO_MUL * SVGA_INDEX_PORT,
1144 1, 4, vmsvga_index_read, s);
1145 register_ioport_write(addr + SVGA_IO_MUL * SVGA_INDEX_PORT,
1146 1, 4, vmsvga_index_write, s);
1147 register_ioport_read(addr + SVGA_IO_MUL * SVGA_VALUE_PORT,
1148 1, 4, vmsvga_value_read, s);
1149 register_ioport_write(addr + SVGA_IO_MUL * SVGA_VALUE_PORT,
1150 1, 4, vmsvga_value_write, s);
1151 register_ioport_read(addr + SVGA_IO_MUL * SVGA_BIOS_PORT,
1152 1, 4, vmsvga_bios_read, s);
1153 register_ioport_write(addr + SVGA_IO_MUL * SVGA_BIOS_PORT,
1154 1, 4, vmsvga_bios_write, s);
1155 } else {
1156 cpu_register_physical_memory(addr, s->vram_size, s->iomemtype);
1157 s->vram_addr = addr;
1158 s->vram = s->vram_ptr;
1162 #define PCI_VENDOR_ID_VMWARE 0x15ad
1163 #define PCI_DEVICE_ID_VMWARE_SVGA2 0x0405
1164 #define PCI_DEVICE_ID_VMWARE_SVGA 0x0710
1165 #define PCI_DEVICE_ID_VMWARE_NET 0x0720
1166 #define PCI_DEVICE_ID_VMWARE_SCSI 0x0730
1167 #define PCI_DEVICE_ID_VMWARE_IDE 0x1729
1168 #define PCI_CLASS_BASE_DISPLAY 0x03
1169 #define PCI_CLASS_SUB_VGA 0x00
1170 #define PCI_CLASS_HEADERTYPE_00h 0x00
1172 void pci_vmsvga_init(PCIBus *bus, DisplayState *ds, uint8_t *vga_ram_base,
1173 unsigned long vga_ram_offset, int vga_ram_size)
1175 struct pci_vmsvga_state_s *s;
1177 /* Setup PCI configuration */
1178 s = (struct pci_vmsvga_state_s *)
1179 pci_register_device(bus, "QEMUware SVGA",
1180 sizeof(struct pci_vmsvga_state_s), -1, 0, 0);
1181 s->card.config[PCI_VENDOR_ID] = PCI_VENDOR_ID_VMWARE & 0xff;
1182 s->card.config[PCI_VENDOR_ID + 1] = PCI_VENDOR_ID_VMWARE >> 8;
1183 s->card.config[PCI_DEVICE_ID] = SVGA_PCI_DEVICE_ID & 0xff;
1184 s->card.config[PCI_DEVICE_ID + 1] = SVGA_PCI_DEVICE_ID >> 8;
1185 s->card.config[PCI_COMMAND] = 0x07; /* I/O + Memory */
1186 s->card.config[PCI_CLASS_DEVICE] = PCI_CLASS_SUB_VGA;
1187 s->card.config[0x0b] = PCI_CLASS_BASE_DISPLAY;
1188 s->card.config[0x0c] = 0x08; /* Cache line size */
1189 s->card.config[0x0d] = 0x40; /* Latency timer */
1190 s->card.config[0x0e] = PCI_CLASS_HEADERTYPE_00h;
1191 s->card.config[0x2c] = PCI_VENDOR_ID_VMWARE & 0xff;
1192 s->card.config[0x2d] = PCI_VENDOR_ID_VMWARE >> 8;
1193 s->card.config[0x2e] = SVGA_PCI_DEVICE_ID & 0xff;
1194 s->card.config[0x2f] = SVGA_PCI_DEVICE_ID >> 8;
1195 s->card.config[0x3c] = 0xff; /* End */
1197 pci_register_io_region(&s->card, 0, 0x10,
1198 PCI_ADDRESS_SPACE_IO, pci_vmsvga_map);
1200 pci_register_io_region(&s->card, 1, vga_ram_size,
1201 PCI_ADDRESS_SPACE_MEM, pci_vmsvga_map);
1203 vmsvga_init(&s->chip, ds, vga_ram_base, vga_ram_offset, vga_ram_size);
1205 register_savevm("vmware_vga", 0, 0, pci_vmsvga_save, pci_vmsvga_load, s);