4 #include "types.h" // u8
7 #define VGAREG_ACTL_ADDRESS 0x3c0
8 #define VGAREG_ACTL_WRITE_DATA 0x3c0
9 #define VGAREG_ACTL_READ_DATA 0x3c1
11 #define VGAREG_INPUT_STATUS 0x3c2
12 #define VGAREG_WRITE_MISC_OUTPUT 0x3c2
13 #define VGAREG_VIDEO_ENABLE 0x3c3
14 #define VGAREG_SEQU_ADDRESS 0x3c4
15 #define VGAREG_SEQU_DATA 0x3c5
17 #define VGAREG_PEL_MASK 0x3c6
18 #define VGAREG_DAC_STATE 0x3c7
19 #define VGAREG_DAC_READ_ADDRESS 0x3c7
20 #define VGAREG_DAC_WRITE_ADDRESS 0x3c8
21 #define VGAREG_DAC_DATA 0x3c9
23 #define VGAREG_READ_FEATURE_CTL 0x3ca
24 #define VGAREG_READ_MISC_OUTPUT 0x3cc
26 #define VGAREG_GRDC_ADDRESS 0x3ce
27 #define VGAREG_GRDC_DATA 0x3cf
29 #define VGAREG_MDA_CRTC_ADDRESS 0x3b4
30 #define VGAREG_MDA_CRTC_DATA 0x3b5
31 #define VGAREG_VGA_CRTC_ADDRESS 0x3d4
32 #define VGAREG_VGA_CRTC_DATA 0x3d5
34 #define VGAREG_MDA_WRITE_FEATURE_CTL 0x3ba
35 #define VGAREG_VGA_WRITE_FEATURE_CTL 0x3da
36 #define VGAREG_ACTL_RESET 0x3da
38 #define VGAREG_MDA_MODECTL 0x3b8
39 #define VGAREG_CGA_MODECTL 0x3d8
40 #define VGAREG_CGA_PALETTE 0x3d9
43 #define SEG_GRAPH 0xA000
44 #define SEG_CTEXT 0xB800
45 #define SEG_MTEXT 0xB000
48 * Tables of default values for each mode
52 #define CTEXT (0x00 | TEXT)
53 #define MTEXT (0x01 | TEXT)
67 u8 memmodel; /* CTEXT,MTEXT,CGA,PL1,PL2,PL4,P8,P15,P16,P24,P32 */
85 struct saveVideoHardware {
100 struct saveDACcolors {
108 void stdvga_screen_disable(void);
109 void stdvga_screen_enable(void);
110 void stdvga_set_border_color(u8 color);
111 void stdvga_set_overscan_border_color(u8 color);
112 u8 stdvga_get_overscan_border_color(void);
113 void stdvga_set_palette(u8 palid);
114 void stdvga_set_single_palette_reg(u8 reg, u8 val);
115 u8 stdvga_get_single_palette_reg(u8 reg);
116 void stdvga_set_all_palette_reg(u16 seg, u8 *data_far);
117 void stdvga_get_all_palette_reg(u16 seg, u8 *data_far);
118 void stdvga_toggle_intensity(u8 flag);
119 void stdvga_select_video_dac_color_page(u8 flag, u8 data);
120 void stdvga_read_video_dac_state(u8 *pmode, u8 *curpage);
121 void stdvga_set_dac_regs(u16 seg, u8 *data_far, u8 start, int count);
122 void stdvga_get_dac_regs(u16 seg, u8 *data_far, u8 start, int count);
123 void stdvga_set_pel_mask(u8 val);
124 u8 stdvga_get_pel_mask(void);
125 void stdvga_save_dac_state(u16 seg, struct saveDACcolors *info);
126 void stdvga_restore_dac_state(u16 seg, struct saveDACcolors *info);
127 void stdvga_sequ_write(u8 index, u8 value);
128 void stdvga_grdc_write(u8 index, u8 value);
129 void stdvga_set_text_block_specifier(u8 spec);
130 void stdvga_load_font(u16 seg, void *src_far, u16 count
131 , u16 start, u8 destflags, u8 fontsize);
132 void stdvga_set_cursor_shape(u8 start, u8 end);
133 void stdvga_set_active_page(u16 address);
134 void stdvga_set_cursor_pos(u16 address);
135 void stdvga_set_scan_lines(u8 lines);
136 u16 stdvga_get_vde(void);
137 void stdvga_save_state(u16 seg, struct saveVideoHardware *info);
138 void stdvga_restore_state(u16 seg, struct saveVideoHardware *info);
139 void stdvga_set_mode(struct vgamode_s *vmode_g);
140 void stdvga_enable_video_addressing(u8 disable);
141 void stdvga_init(void);