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1.1 root 1: #ifndef __STDVGA_H
2: #define __STDVGA_H
3:
4: #include "types.h" // u8
5:
6: // VGA registers
7: #define VGAREG_ACTL_ADDRESS 0x3c0
8: #define VGAREG_ACTL_WRITE_DATA 0x3c0
9: #define VGAREG_ACTL_READ_DATA 0x3c1
10:
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
16:
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
22:
23: #define VGAREG_READ_FEATURE_CTL 0x3ca
24: #define VGAREG_READ_MISC_OUTPUT 0x3cc
25:
26: #define VGAREG_GRDC_ADDRESS 0x3ce
27: #define VGAREG_GRDC_DATA 0x3cf
28:
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
33:
34: #define VGAREG_MDA_WRITE_FEATURE_CTL 0x3ba
35: #define VGAREG_VGA_WRITE_FEATURE_CTL 0x3da
36: #define VGAREG_ACTL_RESET 0x3da
37:
38: #define VGAREG_MDA_MODECTL 0x3b8
39: #define VGAREG_CGA_MODECTL 0x3d8
40: #define VGAREG_CGA_PALETTE 0x3d9
41:
42: /* Video memory */
43: #define SEG_GRAPH 0xA000
44: #define SEG_CTEXT 0xB800
45: #define SEG_MTEXT 0xB000
46:
47: // stdvgamodes.c
48: struct vgamode_s *stdvga_find_mode(int mode);
49: void stdvga_list_modes(u16 seg, u16 *dest, u16 *last);
50: void stdvga_build_video_param(void);
51: void stdvga_override_crtc(int mode, u8 *crtc);
52: int stdvga_set_mode(struct vgamode_s *vmode_g, int flags);
53:
54: // stdvgaio.c
55: u8 stdvga_pelmask_read(void);
56: void stdvga_pelmask_write(u8 val);
57: u8 stdvga_misc_read(void);
58: void stdvga_misc_write(u8 value);
59: void stdvga_misc_mask(u8 off, u8 on);
60: u8 stdvga_sequ_read(u8 index);
61: void stdvga_sequ_write(u8 index, u8 value);
62: void stdvga_sequ_mask(u8 index, u8 off, u8 on);
63: u8 stdvga_grdc_read(u8 index);
64: void stdvga_grdc_write(u8 index, u8 value);
65: void stdvga_grdc_mask(u8 index, u8 off, u8 on);
66: u8 stdvga_crtc_read(u16 crtc_addr, u8 index);
67: void stdvga_crtc_write(u16 crtc_addr, u8 index, u8 value);
68: void stdvga_crtc_mask(u16 crtc_addr, u8 index, u8 off, u8 on);
69: u8 stdvga_attr_read(u8 index);
70: void stdvga_attr_write(u8 index, u8 value);
71: void stdvga_attr_mask(u8 index, u8 off, u8 on);
72: u8 stdvga_attrindex_read(void);
73: void stdvga_attrindex_write(u8 value);
74: void stdvga_dac_read(u16 seg, u8 *data_far, u8 start, int count);
75: void stdvga_dac_write(u16 seg, u8 *data_far, u8 start, int count);
76:
77: // stdvga.c
78: void stdvga_set_border_color(u8 color);
79: void stdvga_set_overscan_border_color(u8 color);
80: u8 stdvga_get_overscan_border_color(void);
81: void stdvga_set_palette(u8 palid);
82: void stdvga_set_all_palette_reg(u16 seg, u8 *data_far);
83: void stdvga_get_all_palette_reg(u16 seg, u8 *data_far);
84: void stdvga_toggle_intensity(u8 flag);
85: void stdvga_select_video_dac_color_page(u8 flag, u8 data);
86: void stdvga_read_video_dac_state(u8 *pmode, u8 *curpage);
87: void stdvga_perform_gray_scale_summing(u16 start, u16 count);
88: void stdvga_set_text_block_specifier(u8 spec);
89: void stdvga_planar4_plane(int plane);
90: void stdvga_load_font(u16 seg, void *src_far, u16 count
91: , u16 start, u8 destflags, u8 fontsize);
92: u16 stdvga_get_crtc(void);
93: int stdvga_bpp_factor(struct vgamode_s *vmode_g);
94: void stdvga_set_cursor_shape(u8 start, u8 end);
95: void stdvga_set_cursor_pos(int address);
96: void stdvga_set_scan_lines(u8 lines);
97: u16 stdvga_get_vde(void);
98: int stdvga_get_window(struct vgamode_s *vmode_g, int window);
99: int stdvga_set_window(struct vgamode_s *vmode_g, int window, int val);
100: int stdvga_get_linelength(struct vgamode_s *vmode_g);
101: int stdvga_set_linelength(struct vgamode_s *vmode_g, int val);
102: int stdvga_get_displaystart(struct vgamode_s *vmode_g);
103: int stdvga_set_displaystart(struct vgamode_s *vmode_g, int val);
104: int stdvga_get_dacformat(struct vgamode_s *vmode_g);
105: int stdvga_set_dacformat(struct vgamode_s *vmode_g, int val);
106: int stdvga_size_state(int states);
107: int stdvga_save_state(u16 seg, void *data, int states);
108: int stdvga_restore_state(u16 seg, void *data, int states);
109: void stdvga_enable_video_addressing(u8 disable);
110: int stdvga_init(void);
111:
112: #endif // stdvga.h
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