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
67 struct saveVideoHardware {
82 struct saveDACcolors {
90 void stdvga_set_border_color(u8 color);
91 void stdvga_set_overscan_border_color(u8 color);
92 u8 stdvga_get_overscan_border_color(void);
93 void stdvga_set_palette(u8 palid);
94 void stdvga_set_single_palette_reg(u8 reg, u8 val);
95 u8 stdvga_get_single_palette_reg(u8 reg);
96 void stdvga_set_all_palette_reg(u16 seg, u8 *data_far);
97 void stdvga_get_all_palette_reg(u16 seg, u8 *data_far);
98 void stdvga_toggle_intensity(u8 flag);
99 void stdvga_select_video_dac_color_page(u8 flag, u8 data);
100 void stdvga_read_video_dac_state(u8 *pmode, u8 *curpage);
101 void stdvga_set_dac_regs(u16 seg, u8 *data_far, u8 start, int count);
102 void stdvga_get_dac_regs(u16 seg, u8 *data_far, u8 start, int count);
103 void stdvga_set_pel_mask(u8 val);
104 u8 stdvga_get_pel_mask(void);
105 void stdvga_save_dac_state(u16 seg, struct saveDACcolors *info);
106 void stdvga_restore_dac_state(u16 seg, struct saveDACcolors *info);
107 void stdvga_perform_gray_scale_summing(u16 start, u16 count);
108 void stdvga_sequ_write(u8 index, u8 value);
109 void stdvga_grdc_write(u8 index, u8 value);
110 void stdvga_set_text_block_specifier(u8 spec);
111 void stdvga_load_font(u16 seg, void *src_far, u16 count
112 , u16 start, u8 destflags, u8 fontsize);
113 u16 stdvga_get_crtc(void);
114 void stdvga_set_cursor_shape(u8 start, u8 end);
115 void stdvga_set_active_page(u16 address);
116 void stdvga_set_cursor_pos(u16 address);
117 void stdvga_set_scan_lines(u8 lines);
118 u16 stdvga_get_vde(void);
119 void stdvga_save_state(u16 seg, struct saveVideoHardware *info);
120 void stdvga_restore_state(u16 seg, struct saveVideoHardware *info);
121 int stdvga_set_mode(int mode, int flags);
122 void stdvga_enable_video_addressing(u8 disable);
123 int stdvga_init(void);