X-Git-Url: https://git.ucc.asn.au/?a=blobdiff_plain;f=KernelLand%2FModules%2FDisplay%2FVESA%2Fcommon.h;h=c81fe1a818cea8831933ffb9dc262ef65b4fae62;hb=6d6b367c4f5e413a9e4135d9f5c40077c3724525;hp=eeaddd56766ee31f8c83924cd70d177ba73de652;hpb=51ab5f489bc356940c95cc936fd0508e8f07ea97;p=tpg%2Facess2.git

diff --git a/KernelLand/Modules/Display/VESA/common.h b/KernelLand/Modules/Display/VESA/common.h
index eeaddd56..c81fe1a8 100644
--- a/KernelLand/Modules/Display/VESA/common.h
+++ b/KernelLand/Modules/Display/VESA/common.h
@@ -22,7 +22,24 @@ typedef struct sVesa_Mode
 
 typedef struct sVesa_CallModeInfo
 {
+	/**
+	 * 0 : Mode is supported
+	 * 1 : Optional information avaliable (Xres onwards)
+	 * 2 : BIOS Output Supported
+	 * 3 : Colour Mode?
+	 * 4 : Graphics mode?
+	 * -- VBE v2.0+
+	 * 5 : Mode is not VGA compatible
+	 * 6 : Bank switched mode supported
+	 * 7 : Linear framebuffer mode supported
+	 * 8 : Double-scan mode avaliable
+	 */
 	Uint16	attributes;
+	/**
+	 * 0 : Window exists
+	 * 1 : Window is readable
+	 * 2 : Window is writable
+	 */
 	Uint8	winA,winB;
 	Uint16	granularity;
 	Uint16	winsize;
@@ -35,25 +52,32 @@ typedef struct sVesa_CallModeInfo
 	Uint8	memory_model, bank_size, image_pages;
 	Uint8	reserved0;
 
+	// -- VBE v1.2+
 	Uint8	red_mask, red_position;
 	Uint8	green_mask, green_position;
 	Uint8	blue_mask, blue_position;
 	Uint8	rsv_mask, rsv_position;
 	Uint8	directcolor_attributes;
 
-	Uint32	physbase;  // Your LFB address ;)
-	Uint32	reserved1;
-	Sint16	reserved2;
+	// -- VBE v2.0+
+	Uint32	physbase;
+	Uint32	offscreen_ptr;	// Start of offscreen memory
+	Uint16	offscreen_size_kb;	// Size of offscreen memory
+	
+	// -- VBE v3.0
+	Uint16	lfb_pitch;
+	Uint8	image_count_banked;
+	Uint8	image_count_lfb;
 }	tVesa_CallModeInfo;
 
 typedef struct sVesa_CallInfo
 {
-   char		signature[4];		// == "VESA"
-   Uint16	Version;	// == 0x0300 for Vesa 3.0
-   tFarPtr	OEMString;	// isa vbeFarPtr
-   Uint8	Capabilities[4];	
-   tFarPtr	VideoModes;	// isa vbeParPtr
-   Uint16	TotalMemory;	// as # of 64KB blocks
+	char		signature[4];		// == "VESA"
+	Uint16	Version;	// == 0x0300 for Vesa 3.0
+	tFarPtr	OEMString;	// isa vbeFarPtr
+	Uint8	Capabilities[4];	
+	tFarPtr	VideoModes;	// isa vbeParPtr
+	Uint16	TotalMemory;	// as # of 64KB blocks
 }	tVesa_CallInfo;
 
 #endif