#define __VGATABLES_H
#include "types.h" // u8
+#include "farptr.h" // struct segoff_s
/*
*
#define VGAREG_CGA_PALETTE 0x3d9
/* Video memory */
-#define VGAMEM_GRAPH 0xA000
-#define VGAMEM_CTEXT 0xB800
-#define VGAMEM_MTEXT 0xB000
+#define SEG_GRAPH 0xA000
+#define SEG_CTEXT 0xB800
+#define SEG_MTEXT 0xB000
/*
- *
* Tables of default values for each mode
- *
*/
-#define MODE_MAX 15
-#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
#define LINEAR24 0x12
#define LINEAR32 0x13
-#define SCROLL_DOWN 0
-#define SCROLL_UP 1
-#define NO_ATTR 2
-#define WITH_ATTR 3
-
-#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)
-
-
-extern u16 video_save_pointer_table[];
+#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 vgamodes_s {
- u8 svgamode;
- u8 class; /* TEXT, GRAPH */
- u8 memmodel; /* CTEXT,MTEXT,CGA,PL1,PL2,PL4,P8,P15,P16,P24,P32 */
- u8 pixbits;
- u16 sstart;
- u8 pelmask;
- u8 dacmodel; /* 0 1 2 3 */
+// 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;
-extern struct vgamodes_s vga_modes[];
-
-/* Default Palette */
-#define DAC_MAX_MODEL 3
-
-extern u8 line_to_vpti[];
-extern u8 dac_regs[];
-
/* standard BIOS Video Parameter Table */
-struct VideoParamTableEntry_s {
+struct VideoParam_s {
u8 twidth;
u8 theightm1;
u8 cheight;
u8 grdc_regs[9];
} PACKED;
-extern struct VideoParamTableEntry_s video_param_table[];
-extern u8 palette0[];
-extern u8 palette1[];
-extern u8 palette2[];
-extern u8 palette3[];
+struct vgamode_s {
+ u8 svgamode;
+ 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 struct VideoSavePointer_s video_save_pointer_table;
+extern struct VideoParam_s video_param_table[];
extern u8 static_functionality[];
// vgafonts.c
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();
+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
projects / seabios.git / blobdiff