#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))
+// 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 {
u8 twidth;
struct vgamode_s {
u8 svgamode;
- struct VideoParam_s *vparam;
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 {
// 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[];
struct cursorpos {
u8 x, y, page;
};
+void vga_set_mode(u8 mode, u8 noclearmem);
// vgafb.c
void clear_screen(struct vgamode_s *vmode_g);
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);
// clext.c
-void cirrus_set_video_mode(u8 mode);
+int cirrus_set_video_mode(u8 mode, u8 noclearmem);
void cirrus_init(void);
-// vbe.c -- not implemented yet.
-#define VBE_DISPI_DISABLED 0x00
-void dispi_set_enable(int enable);
-void bochs_init(void);
-int bochs_has_vbe_display(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