DevVGA.h@ 3460

Last change on this file since 3460 was 3153, checked in by vboxsync, 18 years ago
Multimonitor support.
Property svn:eol-style set to `native` Property svn:keywords set to `Author Date Id Revision`
File size: 18.3 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	* If you received this file as part of a commercial VirtualBox
18	* distribution, then only the terms of your commercial VirtualBox
19	* license agreement apply instead of the previous paragraph.
20	*
21	* --------------------------------------------------------------------
22	*
23	* This code is based on:
24	*
25	* QEMU internal VGA defines.
26	*
27	* Copyright (c) 2003-2004 Fabrice Bellard
28	*
29	* Permission is hereby granted, free of charge, to any person obtaining a copy
30	* of this software and associated documentation files (the "Software"), to deal
31	* in the Software without restriction, including without limitation the rights
32	* to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
33	* copies of the Software, and to permit persons to whom the Software is
34	* furnished to do so, subject to the following conditions:
35	*
36	* The above copyright notice and this permission notice shall be included in
37	* all copies or substantial portions of the Software.
38	*
39	* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
40	* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
41	* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
42	* THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
43	* LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
44	* OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
45	* THE SOFTWARE.
46	*/
47
48	#define MSR_COLOR_EMULATION 0x01
49	#define MSR_PAGE_SELECT 0x20
50
51	#define ST01_V_RETRACE 0x08
52	#define ST01_DISP_ENABLE 0x01
53
54	/* bochs VBE support */
55	#define CONFIG_BOCHS_VBE
56
57	#ifdef VBOX
58	#define VBE_DISPI_MAX_XRES 16384
59	#define VBE_DISPI_MAX_YRES 16384
60	#else
61	#define VBE_DISPI_MAX_XRES 1600
62	#define VBE_DISPI_MAX_YRES 1200
63	#endif
64	#define VBE_DISPI_MAX_BPP 32
65
66	#define VBE_DISPI_INDEX_ID 0x0
67	#define VBE_DISPI_INDEX_XRES 0x1
68	#define VBE_DISPI_INDEX_YRES 0x2
69	#define VBE_DISPI_INDEX_BPP 0x3
70	#define VBE_DISPI_INDEX_ENABLE 0x4
71	#define VBE_DISPI_INDEX_BANK 0x5
72	#define VBE_DISPI_INDEX_VIRT_WIDTH 0x6
73	#define VBE_DISPI_INDEX_VIRT_HEIGHT 0x7
74	#define VBE_DISPI_INDEX_X_OFFSET 0x8
75	#define VBE_DISPI_INDEX_Y_OFFSET 0x9
76	#define VBE_DISPI_INDEX_CMONITORS 0xa
77	#define VBE_DISPI_INDEX_NB 0xb
78
79	#define VBE_DISPI_ID0 0xB0C0
80	#define VBE_DISPI_ID1 0xB0C1
81	#define VBE_DISPI_ID2 0xB0C2
82
83	#ifdef VBOX
84	/* The VBOX interface id. Indicates support for VBE_DISPI_INDEX_CMONITORS. */
85	#define VBE_DISPI_ID_VBOX_VIDEO 0xBE00
86	#endif /* VBOX */
87
88	#define VBE_DISPI_DISABLED 0x00
89	#define VBE_DISPI_ENABLED 0x01
90	#define VBE_DISPI_GETCAPS 0x02
91	#define VBE_DISPI_8BIT_DAC 0x20
92	#define VBE_DISPI_LFB_ENABLED 0x40
93	#define VBE_DISPI_NOCLEARMEM 0x80
94
95	#define VBE_DISPI_LFB_PHYSICAL_ADDRESS 0xE0000000
96
97	#ifdef CONFIG_BOCHS_VBE
98
99	#define VGA_STATE_COMMON_BOCHS_VBE \
100	uint16_t vbe_index; \
101	uint16_t vbe_regs[VBE_DISPI_INDEX_NB]; \
102	uint32_t vbe_start_addr; \
103	uint32_t vbe_line_offset; \
104	uint32_t vbe_bank_mask;
105
106	#else
107
108	#define VGA_STATE_COMMON_BOCHS_VBE
109
110	#endif /* !CONFIG_BOCHS_VBE */
111
112	#define CH_ATTR_SIZE (160 * 100)
113	#define VGA_MAX_HEIGHT VBE_DISPI_MAX_YRES
114
115	#ifndef VBOX
116	#define VGA_STATE_COMMON \
117	uint8_t *vram_ptr; \
118	unsigned long vram_offset; \
119	unsigned int vram_size; \
120	uint32_t latch; \
121	uint8_t sr_index; \
122	uint8_t sr[256]; \
123	uint8_t gr_index; \
124	uint8_t gr[256]; \
125	uint8_t ar_index; \
126	uint8_t ar[21]; \
127	int ar_flip_flop; \
128	uint8_t cr_index; \
129	uint8_t cr[256]; /* CRT registers */ \
130	uint8_t msr; /* Misc Output Register */ \
131	uint8_t fcr; /* Feature Control Register */ \
132	uint8_t st00; /* status 0 */ \
133	uint8_t st01; /* status 1 */ \
134	uint8_t dac_state; \
135	uint8_t dac_sub_index; \
136	uint8_t dac_read_index; \
137	uint8_t dac_write_index; \
138	uint8_t dac_cache[3]; /* used when writing */ \
139	uint8_t palette[768]; \
140	int32_t bank_offset; \
141	int (get_bpp)(struct VGAState s); \
142	void (get_offsets)(struct VGAState s, \
143	uint32_t *pline_offset, \
144	uint32_t *pstart_addr, \
145	uint32_t *pline_compare); \
146	void (get_resolution)(struct VGAState s, \
147	int *pwidth, \
148	int *pheight); \
149	VGA_STATE_COMMON_BOCHS_VBE \
150	/* display refresh support */ \
151	DisplayState *ds; \
152	uint32_t font_offsets[2]; \
153	int graphic_mode; \
154	uint8_t shift_control; \
155	uint8_t double_scan; \
156	uint32_t line_offset; \
157	uint32_t line_compare; \
158	uint32_t start_addr; \
159	uint32_t plane_updated; \
160	uint8_t last_cw, last_ch; \
161	uint32_t last_width, last_height; /* in chars or pixels */ \
162	uint32_t last_scr_width, last_scr_height; /* in pixels */ \
163	uint8_t cursor_start, cursor_end; \
164	uint32_t cursor_offset; \
165	unsigned int (*rgb_to_pixel)(unsigned int r, \
166	unsigned int g, unsigned b); \
167	/* hardware mouse cursor support */ \
168	uint32_t invalidated_y_table[VGA_MAX_HEIGHT / 32]; \
169	void (cursor_invalidate)(struct VGAState s); \
170	void (cursor_draw_line)(struct VGAState s, uint8_t *d, int y); \
171	/* tell for each page if it has been updated since the last time */ \
172	uint32_t last_palette[256]; \
173	uint32_t last_ch_attr[CH_ATTR_SIZE]; /* XXX: make it dynamic */
174
175	#else /* VBOX */
176
177	struct VGAState;
178	typedef int FNGETBPP(struct VGAState *s);
179	typedef void FNGETOFFSETS(struct VGAState s, uint32_t pline_offset, uint32_t pstart_addr, uint32_t pline_compare);
180	typedef void FNGETRESOLUTION(struct VGAState s, int pwidth, int *pheight);
181	typedef unsigned int FNRGBTOPIXEL(unsigned int r, unsigned int g, unsigned b);
182	typedef void FNCURSORINVALIDATE(struct VGAState *s);
183	typedef void FNCURSORDRAWLINE(struct VGAState s, uint8_t d, int y);
184
185	/* bird: vram_offset have been remove, function pointers declared external,
186	some type changes, and some padding have been added. */
187	#define VGA_STATE_COMMON \
188	HCPTRTYPE(uint8_t *) vram_ptrHC; \
189	uint32_t vram_size; \
190	uint32_t latch; \
191	uint8_t sr_index; \
192	uint8_t sr[256]; \
193	uint8_t gr_index; \
194	uint8_t gr[256]; \
195	uint8_t ar_index; \
196	uint8_t ar[21]; \
197	int32_t ar_flip_flop; \
198	uint8_t cr_index; \
199	uint8_t cr[256]; /* CRT registers */ \
200	uint8_t msr; /* Misc Output Register */ \
201	uint8_t fcr; /* Feature Control Register */ \
202	uint8_t st00; /* status 0 */ \
203	uint8_t st01; /* status 1 */ \
204	uint8_t dac_state; \
205	uint8_t dac_sub_index; \
206	uint8_t dac_read_index; \
207	uint8_t dac_write_index; \
208	uint8_t dac_cache[3]; /* used when writing */ \
209	uint8_t palette[768]; \
210	int32_t bank_offset; \
211	int32_t padding0; \
212	R3PTRTYPE(FNGETBPP *) get_bpp; \
213	R3PTRTYPE(FNGETOFFSETS *) get_offsets; \
214	R3PTRTYPE(FNGETRESOLUTION *) get_resolution; \
215	VGA_STATE_COMMON_BOCHS_VBE \
216	/* display refresh support */ \
217	uint32_t font_offsets[2]; \
218	int32_t graphic_mode; \
219	uint8_t shift_control; \
220	uint8_t double_scan; \
221	uint8_t padding1[2]; \
222	uint32_t line_offset; \
223	uint32_t line_compare; \
224	uint32_t start_addr; \
225	uint32_t plane_updated; \
226	uint8_t last_cw, last_ch, padding2[2]; \
227	uint32_t last_width, last_height; /* in chars or pixels */ \
228	uint32_t last_scr_width, last_scr_height; /* in pixels */ \
229	uint32_t last_bpp; \
230	uint8_t cursor_start, cursor_end, padding3[2]; \
231	uint32_t cursor_offset; \
232	uint32_t padding4; \
233	R3PTRTYPE(FNRGBTOPIXEL *) rgb_to_pixel; \
234	/* hardware mouse cursor support */ \
235	uint32_t invalidated_y_table[VGA_MAX_HEIGHT / 32]; \
236	R3PTRTYPE(FNCURSORINVALIDATE *) cursor_invalidate; \
237	R3PTRTYPE(FNCURSORDRAWLINE *) cursor_draw_line; \
238	/* tell for each page if it has been updated since the last time */ \
239	uint32_t last_palette[256]; \
240	uint32_t last_ch_attr[CH_ATTR_SIZE]; /* XXX: make it dynamic */
241
242	#endif /* VBOX */
243
244	typedef struct VGAState {
245	VGA_STATE_COMMON
246	#ifdef VBOX
247	/** end-of-common-state-marker */
248	uint32_t u32Marker;
249	/** The physical address the VRAM was assigned. */
250	RTGCPHYS GCPhysVRAM;
251	/** Pointer to GC vram mapping. */
252	GCPTRTYPE(uint8_t *) vram_ptrGC;
253	/** @todo r=bird: bool not RTUINT (my fault I guess). */
254	/** LFB was updated flag. */
255	RTUINT fLFBUpdated;
256	/** Indicates if the GC extensions are enabled or not. */
257	RTUINT fGCEnabled;
258	/** Indicates if the R0 extensions are enabled or not. */
259	RTUINT fR0Enabled;
260	/** Pointer to vgaGCLFBAccessHandler(). */
261	RTGCPTR GCPtrLFBHandler;
262	/** Flag indicating that there are dirty bits. This is used to optimize the handler resetting. */
263	bool fHaveDirtyBits;
264	/** Bitmap tracking dirty pages. */
265	uint32_t au32DirtyBitmap[VGA_VRAM_MAX / PAGE_SIZE / 32];
266	/** Pointer to the device instance - HC Ptr. */
267	PPDMDEVINSHC pDevInsHC;
268	/* * Pointer to the device instance - GC Ptr. */
269	/GCPTRTYPE(PPDMDEVINS) pDevInsGC;/
270
271	/** The display port base interface. */
272	PDMIBASE Base;
273	/** The display port interface. */
274	PDMIDISPLAYPORT Port;
275	/** Pointer to base interface of the driver. */
276	R3PTRTYPE(PPDMIBASE) pDrvBase;
277	/** Pointer to display connector interface of the driver. */
278	R3PTRTYPE(PPDMIDISPLAYCONNECTOR) pDrv;
279	/** Refresh timer handle - HC. */
280	PTMTIMERHC RefreshTimer;
281	/** Current refresh timer interval. */
282	uint32_t cMilliesRefreshInterval;
283
284	/** Number of virtual monitors */
285	uint32_t monitor_count;
286	uint32_t Padding0; /* May be removed if more data is added */
287
288	/** Whether to render the guest VRAM to the framebuffer memory. False only for some LFB modes. */
289	uint32_t fRenderVRAM;
290
291	/** The PCI device. */
292	PCIDEVICE Dev;
293
294	STAMPROFILE StatGCMemoryRead;
295	STAMPROFILE StatGCMemoryWrite;
296	STAMPROFILE StatGCIOPortRead;
297	STAMPROFILE StatGCIOPortWrite;
298
299	#ifdef VBE_BYTEWISE_IO
300	/** VBE read/write data/index flags */
301	uint8_t fReadVBEData;
302	uint8_t fWriteVBEData;
303	uint8_t fReadVBEIndex;
304	uint8_t fWriteVBEIndex;
305	/** VBE write data/index one byte buffer */
306	uint8_t cbWriteVBEData;
307	uint8_t cbWriteVBEIndex;
308	# ifdef VBE_NEW_DYN_LIST
309	/** VBE Extra Data write address one byte buffer */
310	uint8_t cbWriteVBEExtraAddress;
311	uint8_t Padding6; /*< Alignment padding. /
312	# else
313	uint8_t Padding6[2]; /*< Alignment padding. /
314	# endif
315	#endif
316
317	#ifdef VBE_NEW_DYN_LIST
318	/** The VBE BIOS extra data. */
319	R3PTRTYPE(uint8_t *) pu8VBEExtraData;
320	/** The size of the VBE BIOS extra data. */
321	uint16_t cbVBEExtraData;
322	/** The VBE BIOS current memory address. */
323	uint16_t u16VBEExtraAddress;
324	uint16_t Padding7[2]; /*< Alignment padding. /
325	#endif
326
327	#endif /* VBOX */
328	} VGAState;
329	#ifdef VBOX
330	/** VGA state. */
331	typedef VGAState VGASTATE;
332	/** Pointer to the VGA state. */
333	typedef VGASTATE *PVGASTATE;
334	#endif
335
336	#ifdef VBE_NEW_DYN_LIST
337	/**
338	* VBE Bios Extra Data structure.
339	* @remark duplicated in vbe.h.
340	*/
341	typedef struct VBEHeader
342	{
343	/** Signature (VBEHEADER_MAGIC). */
344	uint16_t u16Signature;
345	/** Data size. */
346	uint16_t cbData;
347	} VBEHeader;
348
349	/** VBE Extra Data. */
350	typedef VBEHeader VBEHEADER;
351	/** Pointer to the VBE Extra Data. */
352	typedef VBEHEADER *PVBEHEADER;
353
354	/** The value of the VBEHEADER::u16Signature field.
355	* @remark duplicated in vbe.h. */
356	#define VBEHEADER_MAGIC 0x77CC
357
358	/** The extra port which is used to read the mode list.
359	* @remark duplicated in vbe.h. */
360	#define VBE_EXTRA_PORT 0x3b6
361
362	/** The extra port which is used for debug printf.
363	* @remark duplicated in vbe.h. */
364	#define VBE_PRINTF_PORT 0x3b7
365
366	#endif /* VBE_NEW_DYN_LIST */
367
368	#if !defined(VBOX) \|\| defined(IN_RING3)
369	static inline int c6_to_8(int v)
370	{
371	int b;
372	v &= 0x3f;
373	b = v & 1;
374	return (v << 2) \| (b << 1) \| b;
375	}
376	#endif /* !VBOX \|\| IN_RING3 */
377
378	#ifndef VBOX
379	void vga_common_init(VGAState s, DisplayState ds, uint8_t *vga_ram_base,
380	unsigned long vga_ram_offset, int vga_ram_size);
381	uint32_t vga_mem_readb(void *opaque, target_phys_addr_t addr);
382	void vga_mem_writeb(void *opaque, target_phys_addr_t addr, uint32_t val);
383	void vga_invalidate_scanlines(VGAState *s, int y1, int y2);
384
385	void vga_draw_cursor_line_8(uint8_t d1, const uint8_t src1,
386	int poffset, int w,
387	unsigned int color0, unsigned int color1,
388	unsigned int color_xor);
389	void vga_draw_cursor_line_16(uint8_t d1, const uint8_t src1,
390	int poffset, int w,
391	unsigned int color0, unsigned int color1,
392	unsigned int color_xor);
393	void vga_draw_cursor_line_32(uint8_t d1, const uint8_t src1,
394	int poffset, int w,
395	unsigned int color0, unsigned int color1,
396	unsigned int color_xor);
397
398	extern const uint8_t sr_mask[8];
399	extern const uint8_t gr_mask[16];
400	#endif /* !VBOX */
401

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source: vbox/trunk/src/VBox/Devices/Graphics/DevVGA.h@ 3460

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