X-Git-Url: http://wien.tomnetworks.com/gitweb/?a=blobdiff_plain;f=vgasrc%2Fvgatables.h;h=f31595ee0a9f3284b507d3ee8b75d5c4c125f75d;hb=87233e9ddac7f833d14031be5d7afc705aed5f25;hp=4fbfb90cb3ea932cd3fd5ffb2efa6f12880c0351;hpb=21079f4437fb9592f9b52586a6cab78e8085fab0;p=seabios.git diff --git a/vgasrc/vgatables.h b/vgasrc/vgatables.h index 4fbfb90..f31595e 100644 --- a/vgasrc/vgatables.h +++ b/vgasrc/vgatables.h @@ -2,6 +2,7 @@ #define __VGATABLES_H #include "types.h" // u8 +#include "farptr.h" // struct segoff_s /* * @@ -49,15 +50,12 @@ #define SEG_MTEXT 0xB000 /* - * * Tables of default values for each mode - * */ -#define TEXT 0x00 -#define GRAPH 0x01 +#define TEXT 0x80 -#define CTEXT 0x00 -#define MTEXT 0x01 +#define CTEXT (0x00 | TEXT) +#define MTEXT (0x01 | TEXT) #define CGA 0x02 #define PLANAR1 0x03 #define PLANAR4 0x04 @@ -69,14 +67,18 @@ #define LINEAR24 0x12 #define LINEAR32 0x13 -#define SCROLL_DOWN 0 -#define SCROLL_UP 1 -#define NO_ATTR 2 -#define WITH_ATTR 3 +#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)) -#define SCREEN_SIZE(x,y) (((x*y*2)|0x00ff)+1) -#define SCREEN_MEM_START(x,y,p) ((((x*y*2)|0x00ff)+1)*p) -#define SCREEN_IO_START(x,y,p) ((((x*y)|0x00ff)+1)*p) +// Standard Video Save Pointer Table +struct VideoSavePointer_s { + struct segoff_s videoparam; + struct segoff_s paramdynamicsave; + struct segoff_s textcharset; + struct segoff_s graphcharset; + struct segoff_s secsavepointer; + u8 reserved[8]; +} PACKED; /* standard BIOS Video Parameter Table */ struct VideoParam_s { @@ -93,19 +95,69 @@ struct VideoParam_s { struct vgamode_s { u8 svgamode; - struct VideoParam_s *vparam; - u8 class; /* TEXT, GRAPH */ u8 memmodel; /* CTEXT,MTEXT,CGA,PL1,PL2,PL4,P8,P15,P16,P24,P32 */ + u8 twidth; + u8 theight; + 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 crtc_regs[25]; + u8 actl_regs[20]; + u8 grdc_regs[9]; + u16 crtc_addr; + u8 plane_latch[4]; +}; + +struct saveBDAstate { + u8 video_mode; + u16 video_cols; + u16 video_pagesize; + u16 crtc_address; + u8 video_rows; + u16 char_height; + u8 video_ctl; + u8 video_switches; + u8 modeset_ctl; + u16 cursor_type; + u16 cursor_pos[8]; + u16 video_pagestart; + u8 video_page; + /* current font */ + struct segoff_s font0; + struct segoff_s font1; +}; + +struct saveDACcolors { + u8 rwmode; + u8 peladdr; + u8 pelmask; + u8 dac[768]; + u8 color_select; }; // vgatables.c struct vgamode_s *find_vga_entry(u8 mode); -extern u16 video_save_pointer_table[]; +extern struct VideoSavePointer_s video_save_pointer_table; extern struct VideoParam_s video_param_table[]; extern u8 static_functionality[]; @@ -117,17 +169,89 @@ extern u8 vgafont14alt[]; extern u8 vgafont16alt[]; // vga.c -void biosfn_set_single_palette_reg(u8 reg, u8 val); -u8 biosfn_get_single_palette_reg(u8 reg); +struct carattr { + u8 car, attr, use_attr; +}; +struct cursorpos { + u8 x, y, page; +}; +void vga_set_mode(u8 mode, u8 noclearmem); + +// 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 -void cirrus_set_video_mode(u8 mode); -void cirrus_init(); - -// vbe.c -- not implemented yet. -#define VBE_DISPI_DISABLED 0x00 -void dispi_set_enable(int enable); -void vbe_init(); -int vbe_has_vbe_display(); +int cirrus_set_video_mode(u8 mode, u8 noclearmem); +void cirrus_init(void); + +// vbe.c +#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; +}; +int vbe_init(u8 bus, u8 devfn); +int vbe_enabled(void); +u16 vbe_total_mem(void); +int vbe_list_modes(u16 seg, u16 ptr); +int vbe_mode_info(u16 mode, struct vbe_modeinfo *info); +void vbe_hires_enable(int enable); +void vbe_set_mode(u16 mode, struct vbe_modeinfo *info); +void vbe_clear_scr(void); +int vbe_hires_enabled(void); +u16 vbe_curr_mode(void); #endif // vgatables.h