#define __VGATABLES_H
#include "types.h" // u8
+#include "farptr.h" // struct segoff_s
/*
*
#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
#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 {
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 {
u16 video_pagestart;
u8 video_page;
/* current font */
- u16 font0_off;
- u16 font0_seg;
- u16 font1_off;
- u16 font1_seg;
+ struct segoff_s font0;
+ struct segoff_s font1;
};
struct saveDACcolors {
// 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[];
extern u8 vgafont16alt[];
// vga.c
-u16 biosfn_get_cursor_pos(u8 page);
+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 biosfn_scroll(u8 nblines, u8 attr, u8 rul, u8 cul, u8 rlr, u8 clr
- , u8 page, u8 dir);
-void biosfn_write_char_attr(u8 car, u8 page, u8 attr, u16 count);
-void biosfn_write_char_only(u8 car, u8 page, u8 attr, u16 count);
-void biosfn_read_char_attr(u8 page, u16 *car);
-void biosfn_write_pixel(u8 BH, u8 AL, u16 CX, u16 DX);
-void biosfn_read_pixel(u8 BH, u16 CX, u16 DX, u16 *AX);
-void biosfn_load_text_user_pat(u16 ES, u16 BP, u16 CX, u16 DX, u8 BL, u8 BH);
-void biosfn_load_text_8_14_pat(u8 BL);
-void biosfn_load_text_8_8_pat(u8 BL);
-void biosfn_load_text_8_16_pat(u8 BL);
+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 vgahw_screen_enable();
+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();
+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_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();
+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 release_font_access();
+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();
+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 VideoParam_s *vparam_g);
+void vgahw_set_mode(struct vgamode_s *vmode_g);
void vgahw_enable_video_addressing(u8 disable);
-void vgahw_init();
+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
projects / seabios.git / blobdiff