VirtualBox

source: vbox/trunk/src/VBox/Devices/Graphics/DevVGA.h@ 7554

Last change on this file since 7554 was 7074, checked in by vboxsync, 17 years ago

Missing one alignment change

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File size: 18.0 KB
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1/** @file
2 *
3 * VBox VGA/VESA device
4 */
5
6/*
7 * Copyright (C) 2006-2007 innotek GmbH
8 *
9 * This file is part of VirtualBox Open Source Edition (OSE), as
10 * available from http://www.virtualbox.org. This file is free software;
11 * you can redistribute it and/or modify it under the terms of the GNU
12 * General Public License (GPL) as published by the Free Software
13 * Foundation, in version 2 as it comes in the "COPYING" file of the
14 * VirtualBox OSE distribution. VirtualBox OSE is distributed in the
15 * hope that it will be useful, but WITHOUT ANY WARRANTY of any kind.
16 * --------------------------------------------------------------------
17 *
18 * This code is based on:
19 *
20 * QEMU internal VGA defines.
21 *
22 * Copyright (c) 2003-2004 Fabrice Bellard
23 *
24 * Permission is hereby granted, free of charge, to any person obtaining a copy
25 * of this software and associated documentation files (the "Software"), to deal
26 * in the Software without restriction, including without limitation the rights
27 * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
28 * copies of the Software, and to permit persons to whom the Software is
29 * furnished to do so, subject to the following conditions:
30 *
31 * The above copyright notice and this permission notice shall be included in
32 * all copies or substantial portions of the Software.
33 *
34 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
35 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
36 * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
37 * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
38 * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
39 * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
40 * THE SOFTWARE.
41 */
42
43#define MSR_COLOR_EMULATION 0x01
44#define MSR_PAGE_SELECT 0x20
45
46#define ST01_V_RETRACE 0x08
47#define ST01_DISP_ENABLE 0x01
48
49/* bochs VBE support */
50#define CONFIG_BOCHS_VBE
51
52#ifdef VBOX
53#define VBE_DISPI_MAX_XRES 16384
54#define VBE_DISPI_MAX_YRES 16384
55#else
56#define VBE_DISPI_MAX_XRES 1600
57#define VBE_DISPI_MAX_YRES 1200
58#endif
59#define VBE_DISPI_MAX_BPP 32
60
61#define VBE_DISPI_INDEX_ID 0x0
62#define VBE_DISPI_INDEX_XRES 0x1
63#define VBE_DISPI_INDEX_YRES 0x2
64#define VBE_DISPI_INDEX_BPP 0x3
65#define VBE_DISPI_INDEX_ENABLE 0x4
66#define VBE_DISPI_INDEX_BANK 0x5
67#define VBE_DISPI_INDEX_VIRT_WIDTH 0x6
68#define VBE_DISPI_INDEX_VIRT_HEIGHT 0x7
69#define VBE_DISPI_INDEX_X_OFFSET 0x8
70#define VBE_DISPI_INDEX_Y_OFFSET 0x9
71#define VBE_DISPI_INDEX_VBOX_VIDEO 0xa
72#define VBE_DISPI_INDEX_NB 0xb
73
74#define VBE_DISPI_ID0 0xB0C0
75#define VBE_DISPI_ID1 0xB0C1
76#define VBE_DISPI_ID2 0xB0C2
77#define VBE_DISPI_ID3 0xB0C3
78#define VBE_DISPI_ID4 0xB0C4
79
80#ifdef VBOX
81/* The VBOX interface id. Indicates support for VBE_DISPI_INDEX_VBOX_VIDEO. */
82#define VBE_DISPI_ID_VBOX_VIDEO 0xBE00
83#endif /* VBOX */
84
85#define VBE_DISPI_DISABLED 0x00
86#define VBE_DISPI_ENABLED 0x01
87#define VBE_DISPI_GETCAPS 0x02
88#define VBE_DISPI_8BIT_DAC 0x20
89#define VBE_DISPI_LFB_ENABLED 0x40
90#define VBE_DISPI_NOCLEARMEM 0x80
91
92#define VBE_DISPI_LFB_PHYSICAL_ADDRESS 0xE0000000
93
94#ifdef CONFIG_BOCHS_VBE
95
96#define VGA_STATE_COMMON_BOCHS_VBE \
97 uint16_t vbe_index; \
98 uint16_t vbe_regs[VBE_DISPI_INDEX_NB]; \
99 uint32_t vbe_start_addr; \
100 uint32_t vbe_line_offset; \
101 uint32_t vbe_bank_mask;
102
103#else
104
105#define VGA_STATE_COMMON_BOCHS_VBE
106
107#endif /* !CONFIG_BOCHS_VBE */
108
109#define CH_ATTR_SIZE (160 * 100)
110#define VGA_MAX_HEIGHT VBE_DISPI_MAX_YRES
111
112#ifndef VBOX
113#define VGA_STATE_COMMON \
114 uint8_t *vram_ptr; \
115 unsigned long vram_offset; \
116 unsigned int vram_size; \
117 uint32_t latch; \
118 uint8_t sr_index; \
119 uint8_t sr[256]; \
120 uint8_t gr_index; \
121 uint8_t gr[256]; \
122 uint8_t ar_index; \
123 uint8_t ar[21]; \
124 int ar_flip_flop; \
125 uint8_t cr_index; \
126 uint8_t cr[256]; /* CRT registers */ \
127 uint8_t msr; /* Misc Output Register */ \
128 uint8_t fcr; /* Feature Control Register */ \
129 uint8_t st00; /* status 0 */ \
130 uint8_t st01; /* status 1 */ \
131 uint8_t dac_state; \
132 uint8_t dac_sub_index; \
133 uint8_t dac_read_index; \
134 uint8_t dac_write_index; \
135 uint8_t dac_cache[3]; /* used when writing */ \
136 uint8_t palette[768]; \
137 int32_t bank_offset; \
138 int (*get_bpp)(struct VGAState *s); \
139 void (*get_offsets)(struct VGAState *s, \
140 uint32_t *pline_offset, \
141 uint32_t *pstart_addr, \
142 uint32_t *pline_compare); \
143 void (*get_resolution)(struct VGAState *s, \
144 int *pwidth, \
145 int *pheight); \
146 VGA_STATE_COMMON_BOCHS_VBE \
147 /* display refresh support */ \
148 DisplayState *ds; \
149 uint32_t font_offsets[2]; \
150 int graphic_mode; \
151 uint8_t shift_control; \
152 uint8_t double_scan; \
153 uint32_t line_offset; \
154 uint32_t line_compare; \
155 uint32_t start_addr; \
156 uint32_t plane_updated; \
157 uint8_t last_cw, last_ch; \
158 uint32_t last_width, last_height; /* in chars or pixels */ \
159 uint32_t last_scr_width, last_scr_height; /* in pixels */ \
160 uint8_t cursor_start, cursor_end; \
161 uint32_t cursor_offset; \
162 unsigned int (*rgb_to_pixel)(unsigned int r, \
163 unsigned int g, unsigned b); \
164 /* hardware mouse cursor support */ \
165 uint32_t invalidated_y_table[VGA_MAX_HEIGHT / 32]; \
166 void (*cursor_invalidate)(struct VGAState *s); \
167 void (*cursor_draw_line)(struct VGAState *s, uint8_t *d, int y); \
168 /* tell for each page if it has been updated since the last time */ \
169 uint32_t last_palette[256]; \
170 uint32_t last_ch_attr[CH_ATTR_SIZE]; /* XXX: make it dynamic */
171
172#else /* VBOX */
173
174struct VGAState;
175typedef int FNGETBPP(struct VGAState *s);
176typedef void FNGETOFFSETS(struct VGAState *s, uint32_t *pline_offset, uint32_t *pstart_addr, uint32_t *pline_compare);
177typedef void FNGETRESOLUTION(struct VGAState *s, int *pwidth, int *pheight);
178typedef unsigned int FNRGBTOPIXEL(unsigned int r, unsigned int g, unsigned b);
179typedef void FNCURSORINVALIDATE(struct VGAState *s);
180typedef void FNCURSORDRAWLINE(struct VGAState *s, uint8_t *d, int y);
181
182/* bird: vram_offset have been remove, function pointers declared external,
183 some type changes, and some padding have been added. */
184#define VGA_STATE_COMMON \
185 R3R0PTRTYPE(uint8_t *) vram_ptrHC; \
186 uint32_t vram_size; \
187 uint32_t latch; \
188 uint8_t sr_index; \
189 uint8_t sr[256]; \
190 uint8_t gr_index; \
191 uint8_t gr[256]; \
192 uint8_t ar_index; \
193 uint8_t ar[21]; \
194 int32_t ar_flip_flop; \
195 uint8_t cr_index; \
196 uint8_t cr[256]; /* CRT registers */ \
197 uint8_t msr; /* Misc Output Register */ \
198 uint8_t fcr; /* Feature Control Register */ \
199 uint8_t st00; /* status 0 */ \
200 uint8_t st01; /* status 1 */ \
201 uint8_t dac_state; \
202 uint8_t dac_sub_index; \
203 uint8_t dac_read_index; \
204 uint8_t dac_write_index; \
205 uint8_t dac_cache[3]; /* used when writing */ \
206 uint8_t palette[768]; \
207 int32_t bank_offset; \
208 int32_t padding0; \
209 R3PTRTYPE(FNGETBPP *) get_bpp; \
210 R3PTRTYPE(FNGETOFFSETS *) get_offsets; \
211 R3PTRTYPE(FNGETRESOLUTION *) get_resolution; \
212 VGA_STATE_COMMON_BOCHS_VBE \
213 /* display refresh support */ \
214 uint32_t font_offsets[2]; \
215 int32_t graphic_mode; \
216 uint8_t shift_control; \
217 uint8_t double_scan; \
218 uint8_t padding1[2]; \
219 uint32_t line_offset; \
220 uint32_t line_compare; \
221 uint32_t start_addr; \
222 uint32_t plane_updated; \
223 uint8_t last_cw, last_ch, padding2[2]; \
224 uint32_t last_width, last_height; /* in chars or pixels */ \
225 uint32_t last_scr_width, last_scr_height; /* in pixels */ \
226 uint32_t last_bpp; \
227 uint8_t cursor_start, cursor_end, padding3[2]; \
228 uint32_t cursor_offset; \
229 uint32_t padding4; \
230 R3PTRTYPE(FNRGBTOPIXEL *) rgb_to_pixel; \
231 /* hardware mouse cursor support */ \
232 uint32_t invalidated_y_table[VGA_MAX_HEIGHT / 32]; \
233 R3PTRTYPE(FNCURSORINVALIDATE *) cursor_invalidate; \
234 R3PTRTYPE(FNCURSORDRAWLINE *) cursor_draw_line; \
235 /* tell for each page if it has been updated since the last time */ \
236 uint32_t last_palette[256]; \
237 uint32_t last_ch_attr[CH_ATTR_SIZE]; /* XXX: make it dynamic */
238
239#endif /* VBOX */
240
241typedef struct VGAState {
242 VGA_STATE_COMMON
243#ifdef VBOX
244 /** end-of-common-state-marker */
245 uint32_t u32Marker;
246 /** The physical address the VRAM was assigned. */
247 RTGCPHYS32 GCPhysVRAM;
248 /** Pointer to GC vram mapping. */
249 GCPTRTYPE(uint8_t *) vram_ptrGC;
250/** @todo r=bird: bool not RTUINT (my fault I guess). */
251 /** LFB was updated flag. */
252 RTUINT fLFBUpdated;
253 /** Indicates if the GC extensions are enabled or not. */
254 RTUINT fGCEnabled;
255 /** Indicates if the R0 extensions are enabled or not. */
256 RTUINT fR0Enabled;
257 /** Pointer to vgaGCLFBAccessHandler(). */
258 RTGCPTR GCPtrLFBHandler;
259 /** Flag indicating that there are dirty bits. This is used to optimize the handler resetting. */
260 bool fHaveDirtyBits;
261 /** Bitmap tracking dirty pages. */
262 uint32_t au32DirtyBitmap[VGA_VRAM_MAX / PAGE_SIZE / 32];
263 /** Pointer to the device instance - HC Ptr. */
264 R3R0PTRTYPE(PPDMDEVINS) pDevInsHC;
265 /* * Pointer to the device instance - GC Ptr. */
266 /*GCPTRTYPE(PPDMDEVINS) pDevInsGC;*/
267
268 /** The display port base interface. */
269 PDMIBASE Base;
270 /** The display port interface. */
271 PDMIDISPLAYPORT Port;
272 /** Pointer to base interface of the driver. */
273 R3PTRTYPE(PPDMIBASE) pDrvBase;
274 /** Pointer to display connector interface of the driver. */
275 R3PTRTYPE(PPDMIDISPLAYCONNECTOR) pDrv;
276 /** Refresh timer handle - HC. */
277 PTMTIMERR3 RefreshTimer;
278 /** Current refresh timer interval. */
279 uint32_t cMilliesRefreshInterval;
280
281 /** Whether to render the guest VRAM to the framebuffer memory. False only for some LFB modes. */
282 uint32_t fRenderVRAM;
283
284 /** The PCI device. */
285 PCIDEVICE Dev;
286
287 STAMPROFILE StatGCMemoryRead;
288 STAMPROFILE StatGCMemoryWrite;
289 STAMPROFILE StatGCIOPortRead;
290 STAMPROFILE StatGCIOPortWrite;
291
292#ifdef VBE_BYTEWISE_IO
293 /** VBE read/write data/index flags */
294 uint8_t fReadVBEData;
295 uint8_t fWriteVBEData;
296 uint8_t fReadVBEIndex;
297 uint8_t fWriteVBEIndex;
298 /** VBE write data/index one byte buffer */
299 uint8_t cbWriteVBEData;
300 uint8_t cbWriteVBEIndex;
301# ifdef VBE_NEW_DYN_LIST
302 /** VBE Extra Data write address one byte buffer */
303 uint8_t cbWriteVBEExtraAddress;
304 uint8_t Padding6; /**< Alignment padding. */
305# else
306 uint8_t Padding6[2]; /**< Alignment padding. */
307# endif
308#endif
309
310#ifdef VBE_NEW_DYN_LIST
311 /** The VBE BIOS extra data. */
312 R3PTRTYPE(uint8_t *) pu8VBEExtraData;
313 /** The size of the VBE BIOS extra data. */
314 uint16_t cbVBEExtraData;
315 /** The VBE BIOS current memory address. */
316 uint16_t u16VBEExtraAddress;
317 uint16_t Padding7[2]; /**< Alignment padding. */
318#endif
319
320#endif /* VBOX */
321} VGAState;
322#ifdef VBOX
323/** VGA state. */
324typedef VGAState VGASTATE;
325/** Pointer to the VGA state. */
326typedef VGASTATE *PVGASTATE;
327#endif
328
329#ifdef VBE_NEW_DYN_LIST
330/**
331 * VBE Bios Extra Data structure.
332 * @remark duplicated in vbe.h.
333 */
334typedef struct VBEHeader
335{
336 /** Signature (VBEHEADER_MAGIC). */
337 uint16_t u16Signature;
338 /** Data size. */
339 uint16_t cbData;
340} VBEHeader;
341
342/** VBE Extra Data. */
343typedef VBEHeader VBEHEADER;
344/** Pointer to the VBE Extra Data. */
345typedef VBEHEADER *PVBEHEADER;
346
347/** The value of the VBEHEADER::u16Signature field.
348 * @remark duplicated in vbe.h. */
349#define VBEHEADER_MAGIC 0x77CC
350
351/** The extra port which is used to read the mode list.
352 * @remark duplicated in vbe.h. */
353#define VBE_EXTRA_PORT 0x3b6
354
355/** The extra port which is used for debug printf.
356 * @remark duplicated in vbe.h. */
357#define VBE_PRINTF_PORT 0x3b7
358
359#endif /* VBE_NEW_DYN_LIST */
360
361#if !defined(VBOX) || defined(IN_RING3)
362static inline int c6_to_8(int v)
363{
364 int b;
365 v &= 0x3f;
366 b = v & 1;
367 return (v << 2) | (b << 1) | b;
368}
369#endif /* !VBOX || IN_RING3 */
370
371#ifndef VBOX
372void vga_common_init(VGAState *s, DisplayState *ds, uint8_t *vga_ram_base,
373 unsigned long vga_ram_offset, int vga_ram_size);
374uint32_t vga_mem_readb(void *opaque, target_phys_addr_t addr);
375void vga_mem_writeb(void *opaque, target_phys_addr_t addr, uint32_t val);
376void vga_invalidate_scanlines(VGAState *s, int y1, int y2);
377
378void vga_draw_cursor_line_8(uint8_t *d1, const uint8_t *src1,
379 int poffset, int w,
380 unsigned int color0, unsigned int color1,
381 unsigned int color_xor);
382void vga_draw_cursor_line_16(uint8_t *d1, const uint8_t *src1,
383 int poffset, int w,
384 unsigned int color0, unsigned int color1,
385 unsigned int color_xor);
386void vga_draw_cursor_line_32(uint8_t *d1, const uint8_t *src1,
387 int poffset, int w,
388 unsigned int color0, unsigned int color1,
389 unsigned int color_xor);
390
391extern const uint8_t sr_mask[8];
392extern const uint8_t gr_mask[16];
393#endif /* !VBOX */
394
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