4 #include "types.h" // u8
5 #include "farptr.h" // struct segoff_s
7 // standard BIOS Video Parameter Table
20 extern struct VideoParam_s video_param_table[29];
37 struct segoff_s font0;
38 struct segoff_s font1;
42 #define MF_GRAYSUM 0x0002
43 #define MF_NOPALETTE 0x0008
44 #define MF_CUSTOMCRTC 0x0800
45 #define MF_LINEARFB 0x4000
46 #define MF_NOCLEARMEM 0x8000
47 #define MF_VBEFLAGS 0xfe00
52 #define MM_HERCULES 0x02
53 #define MM_PLANAR 0x03
54 #define MM_PACKED 0x04
55 #define MM_NON_CHAIN_4_256 0x05
56 #define MM_DIRECT 0x06
71 extern u8 vgafont14[];
72 extern u8 vgafont16[];
73 extern u8 vgafont14alt[];
74 extern u8 vgafont16alt[];
78 #define SET_VGA(var, val) SET_FARVAR(get_global_seg(), (var), (val))
80 u8 car, attr, use_attr;
85 int vga_bpp(struct vgamode_s *vmode_g);
86 u16 calc_page_size(u8 memmodel, u16 width, u16 height);
87 struct vgamode_s *get_current_mode(void);
88 int vga_set_mode(int mode, int flags);
91 void vgafb_scroll(int nblines, int attr
92 , struct cursorpos ul, struct cursorpos lr);
93 void vgafb_write_char(struct cursorpos cp, struct carattr ca);
94 struct carattr vgafb_read_char(struct cursorpos cp);
95 void vgafb_write_pixel(u8 color, u16 x, u16 y);
96 u8 vgafb_read_pixel(u16 x, u16 y);
100 u32 VBE_capabilities;
102 u16 VBE_win_granularity;
103 #define VBE_OEM_STRING "SeaBIOS VBE(C) 2011"
104 #define VBE_VENDOR_STRING "SeaBIOS Developers"
105 #define VBE_PRODUCT_STRING "SeaBIOS VBE Adapter"
106 #define VBE_REVISION_STRING "Rev. 1"
108 void handle_104f(struct bregs *regs);