vgabios: Implement VBE save/restore state function (func 04).

[seabios.git] / vgasrc / vgabios.h

diff --git a/vgasrc/vgabios.h b/vgasrc/vgabios.h
index a10198d3d58cee0189adb0b6eaf203237db4b1f7..d32e1b04c6166a6350200c8efa90dc2647b245ae 100644 (file)
--- a/vgasrc/vgabios.h
+++ b/vgasrc/vgabios.h
@@ -20,7 +20,7 @@ struct VideoParam_s {
 extern struct VideoParam_s video_param_table[29];
 
 struct saveBDAstate {
-    u8 video_mode;
+    u16 video_mode;
     u16 video_cols;
     u16 video_pagesize;
     u16 crtc_address;
@@ -44,6 +44,7 @@ struct saveBDAstate {
 #define MF_CUSTOMCRTC 0x0800
 #define MF_LINEARFB   0x4000
 #define MF_NOCLEARMEM 0x8000
+#define MF_VBEFLAGS   0xfe00
 
 // Memory model types
 #define MM_TEXT            0x00
@@ -73,7 +74,8 @@ extern u8 vgafont14alt[];
 extern u8 vgafont16alt[];
 
 // vgabios.c
-extern u16 VgaBDF;
+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;
@@ -81,8 +83,12 @@ struct carattr {
 struct cursorpos {
     u8 x, y, page;
 };
+int vga_bpp(struct vgamode_s *vmode_g);
 u16 calc_page_size(u8 memmodel, u16 width, u16 height);
-void modeswitch_set_bda(int mode, int flags, struct vgamode_s *vmode_g);
+void save_bda_state(u16 seg, struct saveBDAstate *info);
+void restore_bda_state(u16 seg, struct saveBDAstate *info);
+struct vgamode_s *get_current_mode(void);
+int vga_set_mode(int mode, int flags);
 
 // vgafb.c
 void vgafb_scroll(int nblines, int attr
@@ -93,11 +99,10 @@ void vgafb_write_pixel(u8 color, u16 x, u16 y);
 u8 vgafb_read_pixel(u16 x, u16 y);
 
 // vbe.c
-int VBE_enabled;
-u32 VBE_total_memory;
-u32 VBE_capabilities;
-u32 VBE_framebuffer;
-u16 VBE_win_granularity;
+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"