DevVGA.h@ 229

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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_BPP 32
59	#endif
60
61	#ifdef VBOX
62	#define VBE_DISPI_MAX_XRES 16384
63	#define VBE_DISPI_MAX_YRES 16384
64	#else
65	#define VBE_DISPI_MAX_XRES 1024
66	#define VBE_DISPI_MAX_YRES 768
67	#endif
68
69	#define VBE_DISPI_INDEX_ID 0x0
70	#define VBE_DISPI_INDEX_XRES 0x1
71	#define VBE_DISPI_INDEX_YRES 0x2
72	#define VBE_DISPI_INDEX_BPP 0x3
73	#define VBE_DISPI_INDEX_ENABLE 0x4
74	#define VBE_DISPI_INDEX_BANK 0x5
75	#define VBE_DISPI_INDEX_VIRT_WIDTH 0x6
76	#define VBE_DISPI_INDEX_VIRT_HEIGHT 0x7
77	#define VBE_DISPI_INDEX_X_OFFSET 0x8
78	#define VBE_DISPI_INDEX_Y_OFFSET 0x9
79	#define VBE_DISPI_INDEX_NB 0xa
80
81	#define VBE_DISPI_ID0 0xB0C0
82	#define VBE_DISPI_ID1 0xB0C1
83	#define VBE_DISPI_ID2 0xB0C2
84
85	#define VBE_DISPI_DISABLED 0x00
86	#define VBE_DISPI_ENABLED 0x01
87	#ifdef VBOX
88	#define VBE_DISPI_GETCAPS 0x02
89	#define VBE_DISPI_8BIT_DAC 0x20
90	#endif
91	#define VBE_DISPI_LFB_ENABLED 0x40
92	#define VBE_DISPI_NOCLEARMEM 0x80
93
94	#define VBE_DISPI_LFB_PHYSICAL_ADDRESS 0xE0000000
95
96	#ifdef CONFIG_BOCHS_VBE
97
98	#define VGA_STATE_COMMON_BOCHS_VBE \
99	uint16_t vbe_index; \
100	uint16_t vbe_regs[VBE_DISPI_INDEX_NB]; \
101	uint32_t vbe_start_addr; \
102	uint32_t vbe_line_offset; \
103	uint32_t vbe_bank_mask;
104
105	#else
106
107	#define VGA_STATE_COMMON_BOCHS_VBE
108
109	#endif /* !CONFIG_BOCHS_VBE */
110
111	#define CH_ATTR_SIZE (160 * 100)
112	#define VGA_MAX_HEIGHT VBE_DISPI_MAX_YRES
113
114	#ifndef VBOX
115	#define VGA_STATE_COMMON \
116	uint8_t *vram_ptr; \
117	unsigned long vram_offset; \
118	unsigned int vram_size; \
119	uint32_t latch; \
120	uint8_t sr_index; \
121	uint8_t sr[256]; \
122	uint8_t gr_index; \
123	uint8_t gr[256]; \
124	uint8_t ar_index; \
125	uint8_t ar[21]; \
126	int ar_flip_flop; \
127	uint8_t cr_index; \
128	uint8_t cr[256]; /* CRT registers */ \
129	uint8_t msr; /* Misc Output Register */ \
130	uint8_t fcr; /* Feature Control Register */ \
131	uint8_t st00; /* status 0 */ \
132	uint8_t st01; /* status 1 */ \
133	uint8_t dac_state; \
134	uint8_t dac_sub_index; \
135	uint8_t dac_read_index; \
136	uint8_t dac_write_index; \
137	uint8_t dac_cache[3]; /* used when writing */ \
138	uint8_t palette[768]; \
139	int32_t bank_offset; \
140	int (get_bpp)(struct VGAState s); \
141	void (get_offsets)(struct VGAState s, \
142	uint32_t *pline_offset, \
143	uint32_t *pstart_addr); \
144	void (get_resolution)(struct VGAState s, \
145	int *pwidth, \
146	int *pheight); \
147	VGA_STATE_COMMON_BOCHS_VBE \
148	/* display refresh support */ \
149	DisplayState *ds; \
150	uint32_t font_offsets[2]; \
151	int graphic_mode; \
152	uint8_t shift_control; \
153	uint8_t double_scan; \
154	uint32_t line_offset; \
155	uint32_t line_compare; \
156	uint32_t start_addr; \
157	uint32_t plane_updated; \
158	uint8_t last_cw, last_ch; \
159	uint32_t last_width, last_height; /* in chars or pixels */ \
160	uint32_t last_scr_width, last_scr_height; /* in pixels */ \
161	uint8_t cursor_start, cursor_end; \
162	uint32_t cursor_offset; \
163	unsigned int (*rgb_to_pixel)(unsigned int r, \
164	unsigned int g, unsigned b); \
165	/* hardware mouse cursor support */ \
166	uint32_t invalidated_y_table[VGA_MAX_HEIGHT / 32]; \
167	void (cursor_invalidate)(struct VGAState s); \
168	void (cursor_draw_line)(struct VGAState s, uint8_t *d, int y); \
169	/* tell for each page if it has been updated since the last time */ \
170	uint32_t last_palette[256]; \
171	uint32_t last_ch_attr[CH_ATTR_SIZE]; /* XXX: make it dynamic */
172
173	#else /* VBOX */
174
175	struct VGAState;
176	typedef int FNGETBPP(struct VGAState *s);
177	typedef void FNGETOFFSETS(struct VGAState s, uint32_t pline_offset, uint32_t *pstart_addr);
178	typedef void FNGETRESOLUTION(struct VGAState s, int pwidth, int *pheight);
179	typedef unsigned int FNRGBTOPIXEL(unsigned int r, unsigned int g, unsigned b);
180	typedef void FNCURSORINVALIDATE(struct VGAState *s);
181	typedef void FNCURSORDRAWLINE(struct VGAState s, uint8_t d, int y);
182
183	/* bird: vram_offset have been remove, function pointers declared external,
184	some type changes, and some padding have been added. */
185	#define VGA_STATE_COMMON \
186	HCPTRTYPE(uint8_t *) vram_ptrHC; \
187	uint32_t vram_size; \
188	uint32_t latch; \
189	uint8_t sr_index; \
190	uint8_t sr[256]; \
191	uint8_t gr_index; \
192	uint8_t gr[256]; \
193	uint8_t ar_index; \
194	uint8_t ar[21]; \
195	int32_t ar_flip_flop; \
196	uint8_t cr_index; \
197	uint8_t cr[256]; /* CRT registers */ \
198	uint8_t msr; /* Misc Output Register */ \
199	uint8_t fcr; /* Feature Control Register */ \
200	uint8_t st00; /* status 0 */ \
201	uint8_t st01; /* status 1 */ \
202	uint8_t dac_state; \
203	uint8_t dac_sub_index; \
204	uint8_t dac_read_index; \
205	uint8_t dac_write_index; \
206	uint8_t dac_cache[3]; /* used when writing */ \
207	uint8_t palette[768]; \
208	int32_t bank_offset; \
209	HCPTRTYPE(FNGETBPP *) get_bpp; \
210	HCPTRTYPE(FNGETOFFSETS *) get_offsets; \
211	HCPTRTYPE(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 padding0[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, padding1[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, padding2[2]; \
228	uint32_t cursor_offset; \
229	HCPTRTYPE(FNRGBTOPIXEL *) rgb_to_pixel; \
230	/* hardware mouse cursor support */ \
231	uint32_t invalidated_y_table[VGA_MAX_HEIGHT / 32]; \
232	HCPTRTYPE(FNCURSORINVALIDATE *) cursor_invalidate; \
233	HCPTRTYPE(FNCURSORDRAWLINE *) cursor_draw_line; \
234	/* tell for each page if it has been updated since the last time */ \
235	uint32_t last_palette[256]; \
236	uint32_t last_ch_attr[CH_ATTR_SIZE]; /* XXX: make it dynamic */
237
238	#endif /* VBOX */
239
240	typedef struct VGAState {
241	VGA_STATE_COMMON
242	#ifdef VBOX
243	/** end-of-common-state-marker */
244	uint32_t u32Marker;
245	/** The physical address the VRAM was assigned. */
246	RTGCPHYS GCPhysVRAM;
247	/** Pointer to GC vram mapping. */
248	GCPTRTYPE(uint8_t *) vram_ptrGC;
249	/** @todo r=bird: bool not RTUINT (my fault I guess). */
250	/** LFB was updated flag. */
251	RTUINT fLFBUpdated;
252	/** Indicates if the GC extensions are enabled or not. */
253	RTUINT fGCEnabled;
254	/** Indicates if the R0 extensions are enabled or not. */
255	RTUINT fR0Enabled;
256	/** Pointer to vgaGCLFBAccessHandler(). */
257	RTGCPTR GCPtrLFBHandler;
258	/** Flag indicating that there are dirty bits. This is used to optimize the handler resetting. */
259	bool fHaveDirtyBits;
260	/** Bitmap tracking dirty pages. */
261	uint32_t au32DirtyBitmap[VGA_VRAM_MAX / PAGE_SIZE / 32];
262	/** Pointer to the device instance - HC Ptr. */
263	HCPTRTYPE(PPDMDEVINS) pDevInsHC;
264	/* * Pointer to the device instance - GC Ptr. */
265	/GCPTRTYPE(PPDMDEVINS) pDevInsGC;/
266
267	/** The display port base interface. */
268	PDMIBASE Base;
269	/** The display port interface. */
270	PDMIDISPLAYPORT Port;
271	/** Pointer to base interface of the driver. */
272	PPDMIBASE pDrvBase;
273	/** Pointer to display connector interface of the driver. */
274	PPDMIDISPLAYCONNECTOR pDrv;
275	/** Refresh timer handle - HC. */
276	PTMTIMERHC RefreshTimer;
277	/** Current refresh timer interval. */
278	uint32_t cMilliesRefreshInterval;
279
280	/** Address of external video memory buffer overlaying VRAM. */
281	void *pvExtVRAMHC;
282	/** Size of the buffer*/
283	uint32_t cbExtVRAM;
284
285	/** The PCI device. */
286	PCIDEVICE Dev;
287
288	STAMPROFILE StatGCMemoryRead;
289	STAMPROFILE StatGCMemoryWrite;
290	STAMPROFILE StatGCIOPortRead;
291	STAMPROFILE StatGCIOPortWrite;
292
293	#ifdef VBE_BYTEWISE_IO
294	/** VBE read/write data/index flags */
295	uint8_t fReadVBEData;
296	uint8_t fWriteVBEData;
297	uint8_t fReadVBEIndex;
298	uint8_t fWriteVBEIndex;
299	/** VBE write data/index one byte buffer */
300	uint8_t cbWriteVBEData;
301	uint8_t cbWriteVBEIndex;
302	#ifdef VBE_NEW_DYN_LIST
303	/** VBE Extra Data write address one byte buffer */
304	uint8_t cbWriteVBEExtraAddress;
305	#endif
306	#endif
307
308	#ifdef VBE_NEW_DYN_LIST
309	/** The size of the VBE BIOS extra data. */
310	uint16_t cbVBEExtraData;
311	/** The VBE BIOS extra data. */
312	uint8_t *pu8VBEExtraData;
313	/** The VBE BIOS current memory address. */
314	uint16_t u16VBEExtraAddress;
315	#endif
316
317	#endif /* VBOX */
318	} VGAState;
319	#ifdef VBOX
320	/** VGA state. */
321	typedef VGAState VGASTATE;
322	/** Pointer to the VGA state. */
323	typedef VGASTATE *PVGASTATE;
324	#endif
325
326	#ifdef VBE_NEW_DYN_LIST
327	/**
328	* VBE Bios Extra Data structure.
329	* @remark duplicated in vbe.h.
330	*/
331	typedef struct VBEHeader
332	{
333	/** Signature (VBEHEADER_MAGIC). */
334	uint16_t u16Signature;
335	/** Data size. */
336	uint16_t cbData;
337	} VBEHeader;
338
339	/** VBE Extra Data. */
340	typedef VBEHeader VBEHEADER;
341	/** Pointer to the VBE Extra Data. */
342	typedef VBEHEADER *PVBEHEADER;
343
344	/** The value of the VBEHEADER::u16Signature field.
345	* @remark duplicated in vbe.h. */
346	#define VBEHEADER_MAGIC 0x77CC
347
348	/** The extra port which is used to read the mode list.
349	* @remark duplicated in vbe.h. */
350	#define VBE_EXTRA_PORT 0x3b6
351
352	/** The extra port which is used for debug printf.
353	* @remark duplicated in vbe.h. */
354	#define VBE_PRINTF_PORT 0x3b7
355
356	#endif /* VBE_NEW_DYN_LIST */
357
358	#if !defined(VBOX) \|\| defined(IN_RING3)
359	static inline int c6_to_8(int v)
360	{
361	int b;
362	v &= 0x3f;
363	b = v & 1;
364	return (v << 2) \| (b << 1) \| b;
365	}
366	#endif /* !VBOX \|\| IN_RING3 */
367
368	#ifndef VBOX
369	void vga_common_init(VGAState s, DisplayState ds, uint8_t *vga_ram_base,
370	unsigned long vga_ram_offset, int vga_ram_size);
371	uint32_t vga_mem_readb(void *opaque, target_phys_addr_t addr);
372	void vga_mem_writeb(void *opaque, target_phys_addr_t addr, uint32_t val);
373	void vga_invalidate_scanlines(VGAState *s, int y1, int y2);
374
375	void vga_draw_cursor_line_8(uint8_t d1, const uint8_t src1,
376	int poffset, int w,
377	unsigned int color0, unsigned int color1,
378	unsigned int color_xor);
379	void vga_draw_cursor_line_16(uint8_t d1, const uint8_t src1,
380	int poffset, int w,
381	unsigned int color0, unsigned int color1,
382	unsigned int color_xor);
383	void vga_draw_cursor_line_32(uint8_t d1, const uint8_t src1,
384	int poffset, int w,
385	unsigned int color0, unsigned int color1,
386	unsigned int color_xor);
387
388	extern const uint8_t sr_mask[8];
389	extern const uint8_t gr_mask[16];
390	#endif /* !VBOX */
391

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source: vbox/trunk/src/VBox/Devices/Graphics/DevVGA.h@ 229

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