X-Git-Url: http://wien.tomnetworks.com/gitweb/?a=blobdiff_plain;f=vgasrc%2Fvgabios.h;h=0aff68495f41f0c71452b0bb6fa949508b272820;hb=cfd7ef9d8b38d9706671a4e88d40dcc4ac922b6a;hp=913dd88bbf114ef387cfbcd6aa9f15d4d4cd56df;hpb=e1e000b177427bde534ac7e6ca885c2226bb60d6;p=seabios.git diff --git a/vgasrc/vgabios.h b/vgasrc/vgabios.h index 913dd88..0aff684 100644 --- a/vgasrc/vgabios.h +++ b/vgasrc/vgabios.h @@ -4,106 +4,20 @@ #include "types.h" // u8 #include "farptr.h" // struct segoff_s -/* - * - * VGA registers - * - */ -#define VGAREG_ACTL_ADDRESS 0x3c0 -#define VGAREG_ACTL_WRITE_DATA 0x3c0 -#define VGAREG_ACTL_READ_DATA 0x3c1 - -#define VGAREG_INPUT_STATUS 0x3c2 -#define VGAREG_WRITE_MISC_OUTPUT 0x3c2 -#define VGAREG_VIDEO_ENABLE 0x3c3 -#define VGAREG_SEQU_ADDRESS 0x3c4 -#define VGAREG_SEQU_DATA 0x3c5 - -#define VGAREG_PEL_MASK 0x3c6 -#define VGAREG_DAC_STATE 0x3c7 -#define VGAREG_DAC_READ_ADDRESS 0x3c7 -#define VGAREG_DAC_WRITE_ADDRESS 0x3c8 -#define VGAREG_DAC_DATA 0x3c9 - -#define VGAREG_READ_FEATURE_CTL 0x3ca -#define VGAREG_READ_MISC_OUTPUT 0x3cc - -#define VGAREG_GRDC_ADDRESS 0x3ce -#define VGAREG_GRDC_DATA 0x3cf - -#define VGAREG_MDA_CRTC_ADDRESS 0x3b4 -#define VGAREG_MDA_CRTC_DATA 0x3b5 -#define VGAREG_VGA_CRTC_ADDRESS 0x3d4 -#define VGAREG_VGA_CRTC_DATA 0x3d5 - -#define VGAREG_MDA_WRITE_FEATURE_CTL 0x3ba -#define VGAREG_VGA_WRITE_FEATURE_CTL 0x3da -#define VGAREG_ACTL_RESET 0x3da - -#define VGAREG_MDA_MODECTL 0x3b8 -#define VGAREG_CGA_MODECTL 0x3d8 -#define VGAREG_CGA_PALETTE 0x3d9 - -/* Video memory */ -#define SEG_GRAPH 0xA000 -#define SEG_CTEXT 0xB800 -#define SEG_MTEXT 0xB000 - -/* - * Tables of default values for each mode - */ -#define TEXT 0x80 - -#define CTEXT (0x00 | TEXT) -#define MTEXT (0x01 | TEXT) -#define CGA 0x02 -#define PLANAR1 0x03 -#define PLANAR4 0x04 -#define LINEAR8 0x05 - -// for SVGA -#define LINEAR15 0x10 -#define LINEAR16 0x11 -#define LINEAR24 0x12 -#define LINEAR32 0x13 - -#define SCREEN_IO_START(x,y,p) (((((x)*(y)) | 0x00ff) + 1) * (p)) -#define SCREEN_MEM_START(x,y,p) SCREEN_IO_START(((x)*2),(y),(p)) - -struct vgamode_s { - u8 svgamode; - u8 memmodel; /* CTEXT,MTEXT,CGA,PL1,PL2,PL4,P8,P15,P16,P24,P32 */ +// standard BIOS Video Parameter Table +struct VideoParam_s { u8 twidth; - u8 theight; + u8 theightm1; u8 cheight; - u8 pixbits; - u16 sstart; u16 slength; - - u8 pelmask; - u8 *dac; - u16 dacsize; - u8 *sequ_regs; - u8 miscreg; - u8 *crtc_regs; - u8 *actl_regs; - u8 *grdc_regs; -}; - -struct saveVideoHardware { - u8 sequ_index; - u8 crtc_index; - u8 grdc_index; - u8 actl_index; - u8 feature; u8 sequ_regs[4]; - u8 sequ0; + u8 miscreg; u8 crtc_regs[25]; u8 actl_regs[20]; u8 grdc_regs[9]; - u16 crtc_addr; - u8 plane_latch[4]; -}; +} PACKED; + +extern struct VideoParam_s video_param_table[29]; struct saveBDAstate { u8 video_mode; @@ -124,19 +38,33 @@ struct saveBDAstate { struct segoff_s font1; }; -struct saveDACcolors { - u8 rwmode; - u8 peladdr; - u8 pelmask; - u8 dac[768]; - u8 color_select; -}; +// Mode flags +#define MF_GRAYSUM 0x0002 +#define MF_NOPALETTE 0x0008 +#define MF_CUSTOMCRTC 0x0800 +#define MF_LINEARFB 0x4000 +#define MF_NOCLEARMEM 0x8000 +#define MF_VBEFLAGS 0xfe00 + +// Memory model types +#define MM_TEXT 0x00 +#define MM_CGA 0x01 +#define MM_HERCULES 0x02 +#define MM_PLANAR 0x03 +#define MM_PACKED 0x04 +#define MM_NON_CHAIN_4_256 0x05 +#define MM_DIRECT 0x06 +#define MM_YUV 0x07 -// vgatables.c -struct vgamode_s *find_vga_entry(u8 mode); -void build_video_param(void); -extern struct VideoSavePointer_s video_save_pointer_table; -extern u8 static_functionality[]; +struct vgamode_s { + u8 memmodel; + u16 width; + u16 height; + u8 depth; + u8 cwidth; + u8 cheight; + u16 sstart; +}; // vgafonts.c extern u8 vgafont8[]; @@ -146,6 +74,8 @@ extern u8 vgafont14alt[]; extern u8 vgafont16alt[]; // vgabios.c +extern int VgaBDF; +extern int HaveRunInit; #define SET_VGA(var, val) SET_FARVAR(get_global_seg(), (var), (val)) struct carattr { u8 car, attr, use_attr; @@ -153,73 +83,29 @@ struct carattr { struct cursorpos { u8 x, y, page; }; -void vga_set_mode(u8 mode, u8 noclearmem); +int vga_bpp(struct vgamode_s *vmode_g); +u16 calc_page_size(u8 memmodel, u16 width, u16 height); +struct vgamode_s *get_current_mode(void); +int vga_set_mode(int mode, int flags); // vgafb.c -void clear_screen(struct vgamode_s *vmode_g); void vgafb_scroll(int nblines, int attr , struct cursorpos ul, struct cursorpos lr); void vgafb_write_char(struct cursorpos cp, struct carattr ca); struct carattr vgafb_read_char(struct cursorpos cp); void vgafb_write_pixel(u8 color, u16 x, u16 y); u8 vgafb_read_pixel(u16 x, u16 y); -void vgafb_load_font(u16 seg, void *src_far, u16 count - , u16 start, u8 destflags, u8 fontsize); - -// vgaio.c -void vgahw_screen_disable(void); -void vgahw_screen_enable(void); -void vgahw_set_border_color(u8 color); -void vgahw_set_overscan_border_color(u8 color); -u8 vgahw_get_overscan_border_color(void); -void vgahw_set_palette(u8 palid); -void vgahw_set_single_palette_reg(u8 reg, u8 val); -u8 vgahw_get_single_palette_reg(u8 reg); -void vgahw_set_all_palette_reg(u16 seg, u8 *data_far); -void vgahw_get_all_palette_reg(u16 seg, u8 *data_far); -void vgahw_toggle_intensity(u8 flag); -void vgahw_select_video_dac_color_page(u8 flag, u8 data); -void vgahw_read_video_dac_state(u8 *pmode, u8 *curpage); -void vgahw_set_dac_regs(u16 seg, u8 *data_far, u8 start, int count); -void vgahw_get_dac_regs(u16 seg, u8 *data_far, u8 start, int count); -void vgahw_set_pel_mask(u8 val); -u8 vgahw_get_pel_mask(void); -void vgahw_save_dac_state(u16 seg, struct saveDACcolors *info); -void vgahw_restore_dac_state(u16 seg, struct saveDACcolors *info); -void vgahw_sequ_write(u8 index, u8 value); -void vgahw_grdc_write(u8 index, u8 value); -void vgahw_set_text_block_specifier(u8 spec); -void get_font_access(void); -void release_font_access(void); -void vgahw_set_cursor_shape(u8 start, u8 end); -void vgahw_set_active_page(u16 address); -void vgahw_set_cursor_pos(u16 address); -void vgahw_set_scan_lines(u8 lines); -u16 vgahw_get_vde(void); -void vgahw_save_state(u16 seg, struct saveVideoHardware *info); -void vgahw_restore_state(u16 seg, struct saveVideoHardware *info); -void vgahw_set_mode(struct vgamode_s *vmode_g); -void vgahw_enable_video_addressing(u8 disable); -void vgahw_init(void); - -// clext.c -int cirrus_set_video_mode(u8 mode, u8 noclearmem); -void cirrus_init(void); // vbe.c +extern u32 VBE_total_memory; +extern u32 VBE_capabilities; +extern u32 VBE_framebuffer; +extern u16 VBE_win_granularity; #define VBE_OEM_STRING "SeaBIOS VBE(C) 2011" #define VBE_VENDOR_STRING "SeaBIOS Developers" #define VBE_PRODUCT_STRING "SeaBIOS VBE Adapter" #define VBE_REVISION_STRING "Rev. 1" - -struct vbe_modeinfo -{ - u16 width; - u16 height; - u8 depth; - u16 linesize; - u32 phys_base; - u32 vram_size; -}; +struct bregs; +void handle_104f(struct bregs *regs); #endif // vgabios.h