DevVGA.h@ 5627

Last change on this file since 5627 was 5450, checked in by vboxsync, 17 years ago
Synced with updated VGA/VESA BIOS.
Property svn:eol-style set to `native` Property svn:keywords set to `Author Date Id Revision`
File size: 18.0 KB

Line
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 as published by the Free Software Foundation,
13	* in version 2 as it comes in the "COPYING" file of the VirtualBox OSE
14	* distribution. VirtualBox OSE is distributed in the hope that it will
15	* 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
174	struct VGAState;
175	typedef int FNGETBPP(struct VGAState *s);
176	typedef void FNGETOFFSETS(struct VGAState s, uint32_t pline_offset, uint32_t pstart_addr, uint32_t pline_compare);
177	typedef void FNGETRESOLUTION(struct VGAState s, int pwidth, int *pheight);
178	typedef unsigned int FNRGBTOPIXEL(unsigned int r, unsigned int g, unsigned b);
179	typedef void FNCURSORINVALIDATE(struct VGAState *s);
180	typedef 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
241	typedef 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	RTGCPHYS 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. */
324	typedef VGAState VGASTATE;
325	/** Pointer to the VGA state. */
326	typedef 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	*/
334	typedef 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. */
343	typedef VBEHeader VBEHEADER;
344	/** Pointer to the VBE Extra Data. */
345	typedef 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)
362	static 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
372	void vga_common_init(VGAState s, DisplayState ds, uint8_t *vga_ram_base,
373	unsigned long vga_ram_offset, int vga_ram_size);
374	uint32_t vga_mem_readb(void *opaque, target_phys_addr_t addr);
375	void vga_mem_writeb(void *opaque, target_phys_addr_t addr, uint32_t val);
376	void vga_invalidate_scanlines(VGAState *s, int y1, int y2);
377
378	void 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);
382	void 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);
386	void 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
391	extern const uint8_t sr_mask[8];
392	extern const uint8_t gr_mask[16];
393	#endif /* !VBOX */
394

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source: vbox/trunk/src/VBox/Devices/Graphics/DevVGA.h@ 5627

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