| // Misc function and variable declarations. |
| #ifndef __VGAUTIL_H |
| #define __VGAUTIL_H |
| |
| #include "types.h" // u8 |
| |
| // stdvgaio.c |
| u8 stdvga_pelmask_read(void); |
| void stdvga_pelmask_write(u8 val); |
| u8 stdvga_misc_read(void); |
| void stdvga_misc_write(u8 value); |
| void stdvga_misc_mask(u8 off, u8 on); |
| u8 stdvga_sequ_read(u8 index); |
| void stdvga_sequ_write(u8 index, u8 value); |
| void stdvga_sequ_mask(u8 index, u8 off, u8 on); |
| u8 stdvga_grdc_read(u8 index); |
| void stdvga_grdc_write(u8 index, u8 value); |
| void stdvga_grdc_mask(u8 index, u8 off, u8 on); |
| u8 stdvga_crtc_read(u16 crtc_addr, u8 index); |
| void stdvga_crtc_write(u16 crtc_addr, u8 index, u8 value); |
| void stdvga_crtc_mask(u16 crtc_addr, u8 index, u8 off, u8 on); |
| u8 stdvga_attr_read(u8 index); |
| void stdvga_attr_write(u8 index, u8 value); |
| void stdvga_attr_mask(u8 index, u8 off, u8 on); |
| u8 stdvga_attrindex_read(void); |
| void stdvga_attrindex_write(u8 value); |
| void stdvga_dac_read(u16 seg, u8 *data_far, u8 start, int count); |
| void stdvga_dac_write(u16 seg, u8 *data_far, u8 start, int count); |
| |
| // stdvgamodes.c |
| struct vgamode_s *stdvga_find_mode(int mode); |
| void stdvga_list_modes(u16 seg, u16 *dest, u16 *last); |
| void stdvga_build_video_param(void); |
| void stdvga_override_crtc(int mode, u8 *crtc); |
| int stdvga_set_mode(struct vgamode_s *vmode_g, int flags); |
| void stdvga_set_packed_palette(void); |
| |
| // swcursor.c |
| struct bregs; |
| void swcursor_pre_handle10(struct bregs *regs); |
| void swcursor_check_event(void); |
| |
| // vbe.c |
| extern u32 VBE_total_memory; |
| extern u32 VBE_capabilities; |
| extern u32 VBE_framebuffer; |
| extern u16 VBE_win_granularity; |
| void handle_104f(struct bregs *regs); |
| |
| // vgafonts.c |
| extern u8 vgafont8[]; |
| extern u8 vgafont14[]; |
| extern u8 vgafont16[]; |
| extern u8 vgafont14alt[]; |
| extern u8 vgafont16alt[]; |
| |
| // vgainit.c |
| extern int VgaBDF; |
| extern int HaveRunInit; |
| |
| #endif // vgautil.h |