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move vga_io_address to VGA State (Glauber Costa)
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1 /*
2 * QEMU internal VGA defines.
3 *
4 * Copyright (c) 2003-2004 Fabrice Bellard
5 *
6 * Permission is hereby granted, free of charge, to any person obtaining a copy
7 * of this software and associated documentation files (the "Software"), to deal
8 * in the Software without restriction, including without limitation the rights
9 * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
10 * copies of the Software, and to permit persons to whom the Software is
11 * furnished to do so, subject to the following conditions:
12 *
13 * The above copyright notice and this permission notice shall be included in
14 * all copies or substantial portions of the Software.
15 *
16 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
17 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
18 * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
19 * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
20 * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
21 * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
22 * THE SOFTWARE.
23 */
24 #define MSR_COLOR_EMULATION 0x01
25 #define MSR_PAGE_SELECT 0x20
26
27 #define ST01_V_RETRACE 0x08
28 #define ST01_DISP_ENABLE 0x01
29
30 /* bochs VBE support */
31 #define CONFIG_BOCHS_VBE
32
33 #define VBE_DISPI_MAX_XRES 1600
34 #define VBE_DISPI_MAX_YRES 1200
35 #define VBE_DISPI_MAX_BPP 32
36
37 #define VBE_DISPI_INDEX_ID 0x0
38 #define VBE_DISPI_INDEX_XRES 0x1
39 #define VBE_DISPI_INDEX_YRES 0x2
40 #define VBE_DISPI_INDEX_BPP 0x3
41 #define VBE_DISPI_INDEX_ENABLE 0x4
42 #define VBE_DISPI_INDEX_BANK 0x5
43 #define VBE_DISPI_INDEX_VIRT_WIDTH 0x6
44 #define VBE_DISPI_INDEX_VIRT_HEIGHT 0x7
45 #define VBE_DISPI_INDEX_X_OFFSET 0x8
46 #define VBE_DISPI_INDEX_Y_OFFSET 0x9
47 #define VBE_DISPI_INDEX_NB 0xa
48
49 #define VBE_DISPI_ID0 0xB0C0
50 #define VBE_DISPI_ID1 0xB0C1
51 #define VBE_DISPI_ID2 0xB0C2
52 #define VBE_DISPI_ID3 0xB0C3
53 #define VBE_DISPI_ID4 0xB0C4
54
55 #define VBE_DISPI_DISABLED 0x00
56 #define VBE_DISPI_ENABLED 0x01
57 #define VBE_DISPI_GETCAPS 0x02
58 #define VBE_DISPI_8BIT_DAC 0x20
59 #define VBE_DISPI_LFB_ENABLED 0x40
60 #define VBE_DISPI_NOCLEARMEM 0x80
61
62 #define VBE_DISPI_LFB_PHYSICAL_ADDRESS 0xE0000000
63
64 #ifdef CONFIG_BOCHS_VBE
65
66 #define VGA_STATE_COMMON_BOCHS_VBE \
67 uint16_t vbe_index; \
68 uint16_t vbe_regs[VBE_DISPI_INDEX_NB]; \
69 uint32_t vbe_start_addr; \
70 uint32_t vbe_line_offset; \
71 uint32_t vbe_bank_mask;
72
73 #else
74
75 #define VGA_STATE_COMMON_BOCHS_VBE
76
77 #endif /* !CONFIG_BOCHS_VBE */
78
79 #define CH_ATTR_SIZE (160 * 100)
80 #define VGA_MAX_HEIGHT 2048
81
82 struct vga_precise_retrace {
83 int64_t ticks_per_char;
84 int64_t total_chars;
85 int htotal;
86 int hstart;
87 int hend;
88 int vstart;
89 int vend;
90 int freq;
91 };
92
93 union vga_retrace {
94 struct vga_precise_retrace precise;
95 };
96
97 struct VGAState;
98 typedef uint8_t (* vga_retrace_fn)(struct VGAState *s);
99 typedef void (* vga_update_retrace_info_fn)(struct VGAState *s);
100
101 #define VGA_STATE_COMMON \
102 uint8_t *vram_ptr; \
103 ram_addr_t vram_offset; \
104 unsigned int vram_size; \
105 unsigned long bios_offset; \
106 unsigned int bios_size; \
107 target_phys_addr_t base_ctrl; \
108 int it_shift; \
109 PCIDevice *pci_dev; \
110 uint32_t latch; \
111 uint8_t sr_index; \
112 uint8_t sr[256]; \
113 uint8_t gr_index; \
114 uint8_t gr[256]; \
115 uint8_t ar_index; \
116 uint8_t ar[21]; \
117 int ar_flip_flop; \
118 uint8_t cr_index; \
119 uint8_t cr[256]; /* CRT registers */ \
120 uint8_t msr; /* Misc Output Register */ \
121 uint8_t fcr; /* Feature Control Register */ \
122 uint8_t st00; /* status 0 */ \
123 uint8_t st01; /* status 1 */ \
124 uint8_t dac_state; \
125 uint8_t dac_sub_index; \
126 uint8_t dac_read_index; \
127 uint8_t dac_write_index; \
128 uint8_t dac_cache[3]; /* used when writing */ \
129 int dac_8bit; \
130 uint8_t palette[768]; \
131 int32_t bank_offset; \
132 int vga_io_memory; \
133 int (*get_bpp)(struct VGAState *s); \
134 void (*get_offsets)(struct VGAState *s, \
135 uint32_t *pline_offset, \
136 uint32_t *pstart_addr, \
137 uint32_t *pline_compare); \
138 void (*get_resolution)(struct VGAState *s, \
139 int *pwidth, \
140 int *pheight); \
141 VGA_STATE_COMMON_BOCHS_VBE \
142 /* display refresh support */ \
143 DisplayState *ds; \
144 QEMUConsole *console; \
145 uint32_t font_offsets[2]; \
146 int graphic_mode; \
147 uint8_t shift_control; \
148 uint8_t double_scan; \
149 uint32_t line_offset; \
150 uint32_t line_compare; \
151 uint32_t start_addr; \
152 uint32_t plane_updated; \
153 uint8_t last_cw, last_ch; \
154 uint32_t last_width, last_height; /* in chars or pixels */ \
155 uint32_t last_scr_width, last_scr_height; /* in pixels */ \
156 uint8_t cursor_start, cursor_end; \
157 uint32_t cursor_offset; \
158 unsigned int (*rgb_to_pixel)(unsigned int r, \
159 unsigned int g, unsigned b); \
160 vga_hw_update_ptr update; \
161 vga_hw_invalidate_ptr invalidate; \
162 vga_hw_screen_dump_ptr screen_dump; \
163 vga_hw_text_update_ptr text_update; \
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 /* retrace */ \
172 vga_retrace_fn retrace; \
173 vga_update_retrace_info_fn update_retrace_info; \
174 union vga_retrace retrace_info;
175
176
177 typedef struct VGAState {
178 VGA_STATE_COMMON
179 } VGAState;
180
181 static inline int c6_to_8(int v)
182 {
183 int b;
184 v &= 0x3f;
185 b = v & 1;
186 return (v << 2) | (b << 1) | b;
187 }
188
189 void vga_common_init(VGAState *s, DisplayState *ds, uint8_t *vga_ram_base,
190 ram_addr_t vga_ram_offset, int vga_ram_size);
191 void vga_init(VGAState *s);
192 uint32_t vga_mem_readb(void *opaque, target_phys_addr_t addr);
193 void vga_mem_writeb(void *opaque, target_phys_addr_t addr, uint32_t val);
194 void vga_invalidate_scanlines(VGAState *s, int y1, int y2);
195 int ppm_save(const char *filename, uint8_t *data,
196 int w, int h, int linesize);
197
198 void vga_draw_cursor_line_8(uint8_t *d1, const uint8_t *src1,
199 int poffset, int w,
200 unsigned int color0, unsigned int color1,
201 unsigned int color_xor);
202 void vga_draw_cursor_line_16(uint8_t *d1, const uint8_t *src1,
203 int poffset, int w,
204 unsigned int color0, unsigned int color1,
205 unsigned int color_xor);
206 void vga_draw_cursor_line_32(uint8_t *d1, const uint8_t *src1,
207 int poffset, int w,
208 unsigned int color0, unsigned int color1,
209 unsigned int color_xor);
210
211 extern const uint8_t sr_mask[8];
212 extern const uint8_t gr_mask[16];