DevVGA.h@ 2477

Last change on this file since 2477 was 2106, checked in by vboxsync, 18 years ago
Do not block EMT while resizing the framebuffer.
Property svn:eol-style set to `native` Property svn:keywords set to `Author Date Id Revision`
File size: 18.2 KB

Line
1	/** @file
2	*
3	* VBox VGA/VESA device
4	*/
5
6	/*
7	* Copyright (C) 2006 InnoTek Systemberatung 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	#define VBE_DISPI_DISABLED 0x00
84	#define VBE_DISPI_ENABLED 0x01
85	#define VBE_DISPI_GETCAPS 0x02
86	#define VBE_DISPI_8BIT_DAC 0x20
87	#define VBE_DISPI_LFB_ENABLED 0x40
88	#define VBE_DISPI_NOCLEARMEM 0x80
89
90	#define VBE_DISPI_LFB_PHYSICAL_ADDRESS 0xE0000000
91
92	#ifdef CONFIG_BOCHS_VBE
93
94	#define VGA_STATE_COMMON_BOCHS_VBE \
95	uint16_t vbe_index; \
96	uint16_t vbe_regs[VBE_DISPI_INDEX_NB]; \
97	uint32_t vbe_start_addr; \
98	uint32_t vbe_line_offset; \
99	uint32_t vbe_bank_mask;
100
101	#else
102
103	#define VGA_STATE_COMMON_BOCHS_VBE
104
105	#endif /* !CONFIG_BOCHS_VBE */
106
107	#define CH_ATTR_SIZE (160 * 100)
108	#define VGA_MAX_HEIGHT VBE_DISPI_MAX_YRES
109
110	#ifndef VBOX
111	#define VGA_STATE_COMMON \
112	uint8_t *vram_ptr; \
113	unsigned long vram_offset; \
114	unsigned int vram_size; \
115	uint32_t latch; \
116	uint8_t sr_index; \
117	uint8_t sr[256]; \
118	uint8_t gr_index; \
119	uint8_t gr[256]; \
120	uint8_t ar_index; \
121	uint8_t ar[21]; \
122	int ar_flip_flop; \
123	uint8_t cr_index; \
124	uint8_t cr[256]; /* CRT registers */ \
125	uint8_t msr; /* Misc Output Register */ \
126	uint8_t fcr; /* Feature Control Register */ \
127	uint8_t st00; /* status 0 */ \
128	uint8_t st01; /* status 1 */ \
129	uint8_t dac_state; \
130	uint8_t dac_sub_index; \
131	uint8_t dac_read_index; \
132	uint8_t dac_write_index; \
133	uint8_t dac_cache[3]; /* used when writing */ \
134	uint8_t palette[768]; \
135	int32_t bank_offset; \
136	int (get_bpp)(struct VGAState s); \
137	void (get_offsets)(struct VGAState s, \
138	uint32_t *pline_offset, \
139	uint32_t *pstart_addr, \
140	uint32_t *pline_compare); \
141	void (get_resolution)(struct VGAState s, \
142	int *pwidth, \
143	int *pheight); \
144	VGA_STATE_COMMON_BOCHS_VBE \
145	/* display refresh support */ \
146	DisplayState *ds; \
147	uint32_t font_offsets[2]; \
148	int graphic_mode; \
149	uint8_t shift_control; \
150	uint8_t double_scan; \
151	uint32_t line_offset; \
152	uint32_t line_compare; \
153	uint32_t start_addr; \
154	uint32_t plane_updated; \
155	uint8_t last_cw, last_ch; \
156	uint32_t last_width, last_height; /* in chars or pixels */ \
157	uint32_t last_scr_width, last_scr_height; /* in pixels */ \
158	uint8_t cursor_start, cursor_end; \
159	uint32_t cursor_offset; \
160	unsigned int (*rgb_to_pixel)(unsigned int r, \
161	unsigned int g, unsigned b); \
162	/* hardware mouse cursor support */ \
163	uint32_t invalidated_y_table[VGA_MAX_HEIGHT / 32]; \
164	void (cursor_invalidate)(struct VGAState s); \
165	void (cursor_draw_line)(struct VGAState s, uint8_t *d, int y); \
166	/* tell for each page if it has been updated since the last time */ \
167	uint32_t last_palette[256]; \
168	uint32_t last_ch_attr[CH_ATTR_SIZE]; /* XXX: make it dynamic */
169
170	#else /* VBOX */
171
172	struct VGAState;
173	typedef int FNGETBPP(struct VGAState *s);
174	typedef void FNGETOFFSETS(struct VGAState s, uint32_t pline_offset, uint32_t pstart_addr, uint32_t pline_compare);
175	typedef void FNGETRESOLUTION(struct VGAState s, int pwidth, int *pheight);
176	typedef unsigned int FNRGBTOPIXEL(unsigned int r, unsigned int g, unsigned b);
177	typedef void FNCURSORINVALIDATE(struct VGAState *s);
178	typedef void FNCURSORDRAWLINE(struct VGAState s, uint8_t d, int y);
179
180	/* bird: vram_offset have been remove, function pointers declared external,
181	some type changes, and some padding have been added. */
182	#define VGA_STATE_COMMON \
183	HCPTRTYPE(uint8_t *) vram_ptrHC; \
184	uint32_t vram_size; \
185	uint32_t latch; \
186	uint8_t sr_index; \
187	uint8_t sr[256]; \
188	uint8_t gr_index; \
189	uint8_t gr[256]; \
190	uint8_t ar_index; \
191	uint8_t ar[21]; \
192	int32_t ar_flip_flop; \
193	uint8_t cr_index; \
194	uint8_t cr[256]; /* CRT registers */ \
195	uint8_t msr; /* Misc Output Register */ \
196	uint8_t fcr; /* Feature Control Register */ \
197	uint8_t st00; /* status 0 */ \
198	uint8_t st01; /* status 1 */ \
199	uint8_t dac_state; \
200	uint8_t dac_sub_index; \
201	uint8_t dac_read_index; \
202	uint8_t dac_write_index; \
203	uint8_t dac_cache[3]; /* used when writing */ \
204	uint8_t palette[768]; \
205	int32_t bank_offset; \
206	int32_t padding0; \
207	R3PTRTYPE(FNGETBPP *) get_bpp; \
208	R3PTRTYPE(FNGETOFFSETS *) get_offsets; \
209	R3PTRTYPE(FNGETRESOLUTION *) get_resolution; \
210	VGA_STATE_COMMON_BOCHS_VBE \
211	/* display refresh support */ \
212	uint32_t font_offsets[2]; \
213	int32_t graphic_mode; \
214	uint8_t shift_control; \
215	uint8_t double_scan; \
216	uint8_t padding1[2]; \
217	uint32_t line_offset; \
218	uint32_t line_compare; \
219	uint32_t start_addr; \
220	uint32_t plane_updated; \
221	uint8_t last_cw, last_ch, padding2[2]; \
222	uint32_t last_width, last_height; /* in chars or pixels */ \
223	uint32_t last_scr_width, last_scr_height; /* in pixels */ \
224	uint32_t last_bpp; \
225	uint8_t cursor_start, cursor_end, padding3[2]; \
226	uint32_t cursor_offset; \
227	uint32_t padding4; \
228	R3PTRTYPE(FNRGBTOPIXEL *) rgb_to_pixel; \
229	/* hardware mouse cursor support */ \
230	uint32_t invalidated_y_table[VGA_MAX_HEIGHT / 32]; \
231	R3PTRTYPE(FNCURSORINVALIDATE *) cursor_invalidate; \
232	R3PTRTYPE(FNCURSORDRAWLINE *) cursor_draw_line; \
233	/* tell for each page if it has been updated since the last time */ \
234	uint32_t last_palette[256]; \
235	uint32_t last_ch_attr[CH_ATTR_SIZE]; /* XXX: make it dynamic */
236
237	#endif /* VBOX */
238
239	typedef struct VGAState {
240	VGA_STATE_COMMON
241	#ifdef VBOX
242	/** end-of-common-state-marker */
243	uint32_t u32Marker;
244	/** The physical address the VRAM was assigned. */
245	RTGCPHYS GCPhysVRAM;
246	/** Pointer to GC vram mapping. */
247	GCPTRTYPE(uint8_t *) vram_ptrGC;
248	/** @todo r=bird: bool not RTUINT (my fault I guess). */
249	/** LFB was updated flag. */
250	RTUINT fLFBUpdated;
251	/** Indicates if the GC extensions are enabled or not. */
252	RTUINT fGCEnabled;
253	/** Indicates if the R0 extensions are enabled or not. */
254	RTUINT fR0Enabled;
255	/** Pointer to vgaGCLFBAccessHandler(). */
256	RTGCPTR GCPtrLFBHandler;
257	/** Flag indicating that there are dirty bits. This is used to optimize the handler resetting. */
258	bool fHaveDirtyBits;
259	/** Bitmap tracking dirty pages. */
260	uint32_t au32DirtyBitmap[VGA_VRAM_MAX / PAGE_SIZE / 32];
261	/** Pointer to the device instance - HC Ptr. */
262	PPDMDEVINSHC pDevInsHC;
263	/* * Pointer to the device instance - GC Ptr. */
264	/GCPTRTYPE(PPDMDEVINS) pDevInsGC;/
265
266	/** The display port base interface. */
267	PDMIBASE Base;
268	/** The display port interface. */
269	PDMIDISPLAYPORT Port;
270	/** Pointer to base interface of the driver. */
271	R3PTRTYPE(PPDMIBASE) pDrvBase;
272	/** Pointer to display connector interface of the driver. */
273	R3PTRTYPE(PPDMIDISPLAYCONNECTOR) pDrv;
274	/** Refresh timer handle - HC. */
275	PTMTIMERHC RefreshTimer;
276	/** Current refresh timer interval. */
277	uint32_t cMilliesRefreshInterval;
278
279	/** Number of virtual monitors */
280	uint32_t monitor_count;
281	uint32_t Padding0; /* May be removed if more data is added */
282
283	/** Whether to render the guest VRAM to the framebuffer memory. False only for some LFB modes. */
284	uint32_t fRenderVRAM;
285
286	/** The PCI device. */
287	PCIDEVICE Dev;
288
289	STAMPROFILE StatGCMemoryRead;
290	STAMPROFILE StatGCMemoryWrite;
291	STAMPROFILE StatGCIOPortRead;
292	STAMPROFILE StatGCIOPortWrite;
293
294	#ifdef VBE_BYTEWISE_IO
295	/** VBE read/write data/index flags */
296	uint8_t fReadVBEData;
297	uint8_t fWriteVBEData;
298	uint8_t fReadVBEIndex;
299	uint8_t fWriteVBEIndex;
300	/** VBE write data/index one byte buffer */
301	uint8_t cbWriteVBEData;
302	uint8_t cbWriteVBEIndex;
303	# ifdef VBE_NEW_DYN_LIST
304	/** VBE Extra Data write address one byte buffer */
305	uint8_t cbWriteVBEExtraAddress;
306	uint8_t Padding6; /*< Alignment padding. /
307	# else
308	uint8_t Padding6[2]; /*< Alignment padding. /
309	# endif
310	#endif
311
312	#ifdef VBE_NEW_DYN_LIST
313	/** The VBE BIOS extra data. */
314	R3PTRTYPE(uint8_t *) pu8VBEExtraData;
315	/** The size of the VBE BIOS extra data. */
316	uint16_t cbVBEExtraData;
317	/** The VBE BIOS current memory address. */
318	uint16_t u16VBEExtraAddress;
319	uint16_t Padding7[2]; /*< Alignment padding. /
320	#endif
321
322	#endif /* VBOX */
323	} VGAState;
324	#ifdef VBOX
325	/** VGA state. */
326	typedef VGAState VGASTATE;
327	/** Pointer to the VGA state. */
328	typedef VGASTATE *PVGASTATE;
329	#endif
330
331	#ifdef VBE_NEW_DYN_LIST
332	/**
333	* VBE Bios Extra Data structure.
334	* @remark duplicated in vbe.h.
335	*/
336	typedef struct VBEHeader
337	{
338	/** Signature (VBEHEADER_MAGIC). */
339	uint16_t u16Signature;
340	/** Data size. */
341	uint16_t cbData;
342	} VBEHeader;
343
344	/** VBE Extra Data. */
345	typedef VBEHeader VBEHEADER;
346	/** Pointer to the VBE Extra Data. */
347	typedef VBEHEADER *PVBEHEADER;
348
349	/** The value of the VBEHEADER::u16Signature field.
350	* @remark duplicated in vbe.h. */
351	#define VBEHEADER_MAGIC 0x77CC
352
353	/** The extra port which is used to read the mode list.
354	* @remark duplicated in vbe.h. */
355	#define VBE_EXTRA_PORT 0x3b6
356
357	/** The extra port which is used for debug printf.
358	* @remark duplicated in vbe.h. */
359	#define VBE_PRINTF_PORT 0x3b7
360
361	#endif /* VBE_NEW_DYN_LIST */
362
363	#if !defined(VBOX) \|\| defined(IN_RING3)
364	static inline int c6_to_8(int v)
365	{
366	int b;
367	v &= 0x3f;
368	b = v & 1;
369	return (v << 2) \| (b << 1) \| b;
370	}
371	#endif /* !VBOX \|\| IN_RING3 */
372
373	#ifndef VBOX
374	void vga_common_init(VGAState s, DisplayState ds, uint8_t *vga_ram_base,
375	unsigned long vga_ram_offset, int vga_ram_size);
376	uint32_t vga_mem_readb(void *opaque, target_phys_addr_t addr);
377	void vga_mem_writeb(void *opaque, target_phys_addr_t addr, uint32_t val);
378	void vga_invalidate_scanlines(VGAState *s, int y1, int y2);
379
380	void vga_draw_cursor_line_8(uint8_t d1, const uint8_t src1,
381	int poffset, int w,
382	unsigned int color0, unsigned int color1,
383	unsigned int color_xor);
384	void vga_draw_cursor_line_16(uint8_t d1, const uint8_t src1,
385	int poffset, int w,
386	unsigned int color0, unsigned int color1,
387	unsigned int color_xor);
388	void vga_draw_cursor_line_32(uint8_t d1, const uint8_t src1,
389	int poffset, int w,
390	unsigned int color0, unsigned int color1,
391	unsigned int color_xor);
392
393	extern const uint8_t sr_mask[8];
394	extern const uint8_t gr_mask[16];
395	#endif /* !VBOX */
396

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source: vbox/trunk/src/VBox/Devices/Graphics/DevVGA.h@ 2477

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