vbe.h revision 677833bc953b6cb418c701facbdcf4aa18d6c44e
#ifndef vbe_h_included
#define vbe_h_included
#include "vgabios.h"
// DISPI helper function
void dispi_set_enable(enable);
/** VBE int10 API
*
* See the function descriptions in vbe.c for more information
*/
// The official VBE Information Block
typedef struct VbeInfoBlock
{
} VbeInfoBlock;
// This one is for compactly storing a static list of mode info blocks
// this saves us 189 bytes per block
typedef struct ModeInfoBlockCompact
{
// Mandatory information for all VBE revisions
// Mandatory information for VBE 1.2 and above
// Direct Color fields (required for direct/6 and YUV/7 memory models)
// Mandatory information for VBE 2.0 and above
// Mandatory information for VBE 3.0 and above
// Bit8u Reserved[189]; // DO NOT PUT THIS IN HERE because of Compact Mode Info storage in bios
typedef struct ModeInfoBlock
{
// Mandatory information for all VBE revisions
// Mandatory information for VBE 1.2 and above
// Direct Color fields (required for direct/6 and YUV/7 memory models)
// Mandatory information for VBE 2.0 and above
// Mandatory information for VBE 3.0 and above
// VBE Return Status Info
// AL
#define VBE_RETURN_STATUS_SUPPORTED 0x4F
#define VBE_RETURN_STATUS_UNSUPPORTED 0x00
// AH
#define VBE_RETURN_STATUS_SUCCESSFULL 0x00
#define VBE_RETURN_STATUS_FAILED 0x01
#define VBE_RETURN_STATUS_NOT_SUPPORTED 0x02
#define VBE_RETURN_STATUS_INVALID 0x03
// VBE Mode Numbers
#define VBE_MODE_VESA_DEFINED 0x0100
#define VBE_MODE_REFRESH_RATE_USE_CRTC 0x0800
#define VBE_MODE_LINEAR_FRAME_BUFFER 0x4000
#define VBE_MODE_PRESERVE_DISPLAY_MEMORY 0x8000
// VBE GFX Mode Number
#define VBE_VESA_MODE_640X400X8 0x100
#define VBE_VESA_MODE_640X480X8 0x101
#define VBE_VESA_MODE_800X600X4 0x102
#define VBE_VESA_MODE_800X600X8 0x103
#define VBE_VESA_MODE_1024X768X4 0x104
#define VBE_VESA_MODE_1024X768X8 0x105
#define VBE_VESA_MODE_1280X1024X4 0x106
#define VBE_VESA_MODE_1280X1024X8 0x107
#define VBE_VESA_MODE_320X200X1555 0x10D
#define VBE_VESA_MODE_320X200X565 0x10E
#define VBE_VESA_MODE_320X200X888 0x10F
#define VBE_VESA_MODE_640X480X1555 0x110
#define VBE_VESA_MODE_640X480X565 0x111
#define VBE_VESA_MODE_640X480X888 0x112
#define VBE_VESA_MODE_800X600X1555 0x113
#define VBE_VESA_MODE_800X600X565 0x114
#define VBE_VESA_MODE_800X600X888 0x115
#define VBE_VESA_MODE_1024X768X1555 0x116
#define VBE_VESA_MODE_1024X768X565 0x117
#define VBE_VESA_MODE_1024X768X888 0x118
#define VBE_VESA_MODE_1280X1024X1555 0x119
#define VBE_VESA_MODE_1280X1024X565 0x11A
#define VBE_VESA_MODE_1280X1024X888 0x11B
#define VBE_OWN_MODE_320X200X8888 0x140
#define VBE_OWN_MODE_640X400X8888 0x141
#define VBE_OWN_MODE_640X480X8888 0x142
#define VBE_OWN_MODE_800X600X8888 0x143
#define VBE_OWN_MODE_1024X768X8888 0x144
#define VBE_OWN_MODE_1280X1024X8888 0x145
#define VBE_OWN_MODE_320X200X8 0x146
#define VBE_VESA_MODE_END_OF_LIST 0xFFFF
// Capabilities
#define VBE_CAPABILITY_8BIT_DAC 0x0001
#define VBE_CAPABILITY_NOT_VGA_COMPATIBLE 0x0002
#define VBE_CAPABILITY_RAMDAC_USE_BLANK_BIT 0x0004
#define VBE_CAPABILITY_STEREOSCOPIC_SUPPORT 0x0008
#define VBE_CAPABILITY_STEREO_VIA_VESA_EVC 0x0010
// Mode Attributes
#define VBE_MODE_ATTRIBUTE_SUPPORTED 0x0001
#define VBE_MODE_ATTRIBUTE_EXTENDED_INFORMATION_AVAILABLE 0x0002
#define VBE_MODE_ATTRIBUTE_TTY_BIOS_SUPPORT 0x0004
#define VBE_MODE_ATTRIBUTE_COLOR_MODE 0x0008
#define VBE_MODE_ATTRIBUTE_GRAPHICS_MODE 0x0010
#define VBE_MODE_ATTRIBUTE_NOT_VGA_COMPATIBLE 0x0020
#define VBE_MODE_ATTRIBUTE_NO_VGA_COMPATIBLE_WINDOW 0x0040
#define VBE_MODE_ATTRIBUTE_LINEAR_FRAME_BUFFER_MODE 0x0080
#define VBE_MODE_ATTRIBUTE_DOUBLE_SCAN_MODE 0x0100
#define VBE_MODE_ATTRIBUTE_INTERLACE_MODE 0x0200
#define VBE_MODE_ATTRIBUTE_HARDWARE_TRIPLE_BUFFER 0x0400
#define VBE_MODE_ATTRIBUTE_HARDWARE_STEREOSCOPIC_DISPLAY 0x0800
#define VBE_MODE_ATTRIBUTE_DUAL_DISPLAY_START_ADDRESS 0x1000
#define VBE_MODE_ATTTRIBUTE_LFB_ONLY ( VBE_MODE_ATTRIBUTE_NO_VGA_COMPATIBLE_WINDOW | VBE_MODE_ATTRIBUTE_LINEAR_FRAME_BUFFER_MODE )
// Window attributes
#define VBE_WINDOW_ATTRIBUTE_RELOCATABLE 0x01
#define VBE_WINDOW_ATTRIBUTE_READABLE 0x02
#define VBE_WINDOW_ATTRIBUTE_WRITEABLE 0x04
// Memory model
#define VBE_MEMORYMODEL_TEXT_MODE 0x00
#define VBE_MEMORYMODEL_CGA_GRAPHICS 0x01
#define VBE_MEMORYMODEL_HERCULES_GRAPHICS 0x02
#define VBE_MEMORYMODEL_PLANAR 0x03
#define VBE_MEMORYMODEL_PACKED_PIXEL 0x04
#define VBE_MEMORYMODEL_NON_CHAIN_4_256 0x05
#define VBE_MEMORYMODEL_DIRECT_COLOR 0x06
#define VBE_MEMORYMODEL_YUV 0x07
// DirectColorModeInfo
#define VBE_DIRECTCOLOR_COLOR_RAMP_PROGRAMMABLE 0x01
#define VBE_DIRECTCOLOR_RESERVED_BITS_AVAILABLE 0x02
// GUEST <-> HOST Communication API
// FIXME: either dynamicly ask host for this or put somewhere high in physical memory
// like 0xE0000000
#define VBE_DISPI_BANK_ADDRESS 0xA0000
#define VBE_DISPI_BANK_SIZE_KB 64
#define VBE_DISPI_MAX_XRES 1024
#define VBE_DISPI_MAX_YRES 768
#define VBE_DISPI_IOPORT_INDEX 0x01CE
#define VBE_DISPI_IOPORT_DATA 0x01CF
#define VBE_DISPI_INDEX_ID 0x0
#define VBE_DISPI_INDEX_XRES 0x1
#define VBE_DISPI_INDEX_YRES 0x2
#define VBE_DISPI_INDEX_BPP 0x3
#define VBE_DISPI_INDEX_ENABLE 0x4
#define VBE_DISPI_INDEX_BANK 0x5
#define VBE_DISPI_INDEX_VIRT_WIDTH 0x6
#define VBE_DISPI_INDEX_VIRT_HEIGHT 0x7
#define VBE_DISPI_INDEX_X_OFFSET 0x8
#define VBE_DISPI_INDEX_Y_OFFSET 0x9
#define VBE_DISPI_ID0 0xB0C0
#define VBE_DISPI_ID1 0xB0C1
#define VBE_DISPI_ID2 0xB0C2
#define VBE_DISPI_ID3 0xB0C3
#define VBE_DISPI_DISABLED 0x00
#define VBE_DISPI_ENABLED 0x01
#define VBE_DISPI_GETCAPS 0x02
#define VBE_DISPI_8BIT_DAC 0x20
#define VBE_DISPI_LFB_ENABLED 0x40
#define VBE_DISPI_NOCLEARMEM 0x80
#define VBE_DISPI_LFB_PHYSICAL_ADDRESS 0xE0000000
/**
* VBE Bios Extra Data structure.
* @remark duplicated in vga_int.h.
*/
typedef struct VBEHeader
{
/** Signature (VBEHEADER_MAGIC). */
/** Data size. */
} VBEHeader;
/** The value of the VBEHEADER::u16Signature field.
* @remark duplicated in vga_int.h. */
#define VBEHEADER_MAGIC 0x77CC
/** The extra port which is used to read the mode list.
* @remark duplicated in vga_int.h. */
#define VBE_EXTRA_PORT 0x3b6
/** The extra port which is used for debug printf.
* @remark duplicated in vga_int.h. */
#define VBE_PRINTF_PORT 0x3b7
#endif