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 // stdvga.c 48 void stdvga_set_border_color(u8 color); 49 void stdvga_set_overscan_border_color(u8 color); 50 u8 stdvga_get_overscan_border_color(void); 51 void stdvga_set_palette(u8 palid); 52 void stdvga_set_all_palette_reg(u16 seg, u8 *data_far); 53 void stdvga_get_all_palette_reg(u16 seg, u8 *data_far); 54 void stdvga_toggle_intensity(u8 flag); 55 void stdvga_select_video_dac_color_page(u8 flag, u8 data); 56 void stdvga_read_video_dac_state(u8 *pmode, u8 *curpage); 57 void stdvga_perform_gray_scale_summing(u16 start, u16 count); 58 void stdvga_set_text_block_specifier(u8 spec); 59 void stdvga_planar4_plane(int plane); 60 void stdvga_load_font(u16 seg, void *src_far, u16 count 61 , u16 start, u8 destflags, u8 fontsize); 62 u16 stdvga_get_crtc(void); 63 struct vgamode_s; 64 int stdvga_vram_ratio(struct vgamode_s *vmode_g); 65 void stdvga_set_cursor_shape(u16 cursor_type); 66 void stdvga_set_cursor_pos(int address); 67 void stdvga_set_scan_lines(u8 lines); 68 u16 stdvga_get_vde(void); 69 int stdvga_get_window(struct vgamode_s *vmode_g, int window); 70 int stdvga_set_window(struct vgamode_s *vmode_g, int window, int val); 71 int stdvga_get_linelength(struct vgamode_s *vmode_g); 72 int stdvga_set_linelength(struct vgamode_s *vmode_g, int val); 73 int stdvga_get_displaystart(struct vgamode_s *vmode_g); 74 int stdvga_set_displaystart(struct vgamode_s *vmode_g, int val); 75 int stdvga_get_dacformat(struct vgamode_s *vmode_g); 76 int stdvga_set_dacformat(struct vgamode_s *vmode_g, int val); 77 int stdvga_save_restore(int cmd, u16 seg, void *data); 78 void stdvga_enable_video_addressing(u8 disable); 79 int stdvga_setup(void); 80 81 #endif // stdvga.h 82