Update Arm docs.
[qemu/mini2440.git] / hw / vga_int.h
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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:
13 * The above copyright notice and this permission notice shall be included in
14 * all copies or substantial portions of the Software.
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.
24 #define MSR_COLOR_EMULATION 0x01
25 #define MSR_PAGE_SELECT 0x20
27 #define ST01_V_RETRACE 0x08
28 #define ST01_DISP_ENABLE 0x01
30 /* bochs VBE support */
31 #define CONFIG_BOCHS_VBE
33 #define VBE_DISPI_MAX_XRES 1024
34 #define VBE_DISPI_MAX_YRES 768
36 #define VBE_DISPI_INDEX_ID 0x0
37 #define VBE_DISPI_INDEX_XRES 0x1
38 #define VBE_DISPI_INDEX_YRES 0x2
39 #define VBE_DISPI_INDEX_BPP 0x3
40 #define VBE_DISPI_INDEX_ENABLE 0x4
41 #define VBE_DISPI_INDEX_BANK 0x5
42 #define VBE_DISPI_INDEX_VIRT_WIDTH 0x6
43 #define VBE_DISPI_INDEX_VIRT_HEIGHT 0x7
44 #define VBE_DISPI_INDEX_X_OFFSET 0x8
45 #define VBE_DISPI_INDEX_Y_OFFSET 0x9
46 #define VBE_DISPI_INDEX_NB 0xa
48 #define VBE_DISPI_ID0 0xB0C0
49 #define VBE_DISPI_ID1 0xB0C1
50 #define VBE_DISPI_ID2 0xB0C2
52 #define VBE_DISPI_DISABLED 0x00
53 #define VBE_DISPI_ENABLED 0x01
54 #define VBE_DISPI_LFB_ENABLED 0x40
55 #define VBE_DISPI_NOCLEARMEM 0x80
57 #define VBE_DISPI_LFB_PHYSICAL_ADDRESS 0xE0000000
59 #ifdef CONFIG_BOCHS_VBE
61 #define VGA_STATE_COMMON_BOCHS_VBE \
62 uint16_t vbe_index; \
63 uint16_t vbe_regs[VBE_DISPI_INDEX_NB]; \
64 uint32_t vbe_start_addr; \
65 uint32_t vbe_line_offset; \
66 uint32_t vbe_bank_mask;
68 #else
70 #define VGA_STATE_COMMON_BOCHS_VBE
72 #endif /* !CONFIG_BOCHS_VBE */
74 #define CH_ATTR_SIZE (160 * 100)
75 #define VGA_MAX_HEIGHT 1024
77 #define VGA_STATE_COMMON \
78 uint8_t *vram_ptr; \
79 unsigned long vram_offset; \
80 unsigned int vram_size; \
81 unsigned long bios_offset; \
82 unsigned int bios_size; \
83 uint32_t latch; \
84 uint8_t sr_index; \
85 uint8_t sr[256]; \
86 uint8_t gr_index; \
87 uint8_t gr[256]; \
88 uint8_t ar_index; \
89 uint8_t ar[21]; \
90 int ar_flip_flop; \
91 uint8_t cr_index; \
92 uint8_t cr[256]; /* CRT registers */ \
93 uint8_t msr; /* Misc Output Register */ \
94 uint8_t fcr; /* Feature Control Register */ \
95 uint8_t st00; /* status 0 */ \
96 uint8_t st01; /* status 1 */ \
97 uint8_t dac_state; \
98 uint8_t dac_sub_index; \
99 uint8_t dac_read_index; \
100 uint8_t dac_write_index; \
101 uint8_t dac_cache[3]; /* used when writing */ \
102 uint8_t palette[768]; \
103 int32_t bank_offset; \
104 int (*get_bpp)(struct VGAState *s); \
105 void (*get_offsets)(struct VGAState *s, \
106 uint32_t *pline_offset, \
107 uint32_t *pstart_addr); \
108 void (*get_resolution)(struct VGAState *s, \
109 int *pwidth, \
110 int *pheight); \
111 VGA_STATE_COMMON_BOCHS_VBE \
112 /* display refresh support */ \
113 DisplayState *ds; \
114 uint32_t font_offsets[2]; \
115 int graphic_mode; \
116 uint8_t shift_control; \
117 uint8_t double_scan; \
118 uint32_t line_offset; \
119 uint32_t line_compare; \
120 uint32_t start_addr; \
121 uint32_t plane_updated; \
122 uint8_t last_cw, last_ch; \
123 uint32_t last_width, last_height; /* in chars or pixels */ \
124 uint32_t last_scr_width, last_scr_height; /* in pixels */ \
125 uint8_t cursor_start, cursor_end; \
126 uint32_t cursor_offset; \
127 unsigned int (*rgb_to_pixel)(unsigned int r, \
128 unsigned int g, unsigned b); \
129 /* hardware mouse cursor support */ \
130 uint32_t invalidated_y_table[VGA_MAX_HEIGHT / 32]; \
131 void (*cursor_invalidate)(struct VGAState *s); \
132 void (*cursor_draw_line)(struct VGAState *s, uint8_t *d, int y); \
133 /* tell for each page if it has been updated since the last time */ \
134 uint32_t last_palette[256]; \
135 uint32_t last_ch_attr[CH_ATTR_SIZE]; /* XXX: make it dynamic */
138 typedef struct VGAState {
139 VGA_STATE_COMMON
140 } VGAState;
142 static inline int c6_to_8(int v)
144 int b;
145 v &= 0x3f;
146 b = v & 1;
147 return (v << 2) | (b << 1) | b;
150 void vga_common_init(VGAState *s, DisplayState *ds, uint8_t *vga_ram_base,
151 unsigned long vga_ram_offset, int vga_ram_size);
152 uint32_t vga_mem_readb(void *opaque, target_phys_addr_t addr);
153 void vga_mem_writeb(void *opaque, target_phys_addr_t addr, uint32_t val);
154 void vga_invalidate_scanlines(VGAState *s, int y1, int y2);
156 void vga_draw_cursor_line_8(uint8_t *d1, const uint8_t *src1,
157 int poffset, int w,
158 unsigned int color0, unsigned int color1,
159 unsigned int color_xor);
160 void vga_draw_cursor_line_16(uint8_t *d1, const uint8_t *src1,
161 int poffset, int w,
162 unsigned int color0, unsigned int color1,
163 unsigned int color_xor);
164 void vga_draw_cursor_line_32(uint8_t *d1, const uint8_t *src1,
165 int poffset, int w,
166 unsigned int color0, unsigned int color1,
167 unsigned int color_xor);
169 extern const uint8_t sr_mask[8];
170 extern const uint8_t gr_mask[16];