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Diffstat (limited to 'include/VBox/Graphics/VBoxVideoVBE.h')
| -rw-r--r-- | include/VBox/Graphics/VBoxVideoVBE.h | 106 |
1 files changed, 106 insertions, 0 deletions
diff --git a/include/VBox/Graphics/VBoxVideoVBE.h b/include/VBox/Graphics/VBoxVideoVBE.h new file mode 100644 index 00000000..caf0ae1c --- /dev/null +++ b/include/VBox/Graphics/VBoxVideoVBE.h @@ -0,0 +1,106 @@ +/* $Id: VBoxVideoVBE.h $ */ +/** @file + * VirtualBox graphics card port I/O definitions + */ + +/* + * Copyright (C) 2006-2020 Oracle Corporation + * + * Permission is hereby granted, free of charge, to any person + * obtaining a copy of this software and associated documentation + * files (the "Software"), to deal in the Software without + * restriction, including without limitation the rights to use, + * copy, modify, merge, publish, distribute, sublicense, and/or sell + * copies of the Software, and to permit persons to whom the + * Software is furnished to do so, subject to the following + * conditions: + * + * The above copyright notice and this permission notice shall be + * included in all copies or substantial portions of the Software. + * + * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, + * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES + * OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND + * NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT + * HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, + * WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING + * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR + * OTHER DEALINGS IN THE SOFTWARE. + */ + +#ifndef VBOX_INCLUDED_Graphics_VBoxVideoVBE_h +#define VBOX_INCLUDED_Graphics_VBoxVideoVBE_h +#ifndef RT_WITHOUT_PRAGMA_ONCE +# pragma once +#endif + +/* GUEST <-> HOST Communication API */ + +/** @todo 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 16384 +#define VBE_DISPI_MAX_YRES 16384 +#define VBE_DISPI_MAX_BPP 32 + +#define VBE_DISPI_IOPORT_INDEX 0x01CE +#define VBE_DISPI_IOPORT_DATA 0x01CF + +#define VBE_DISPI_IOPORT_DAC_WRITE_INDEX 0x03C8 +#define VBE_DISPI_IOPORT_DAC_DATA 0x03C9 + +/* Cross reference with src/VBox/Devices/Graphics/DevVGA.h */ +#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_INDEX_VBOX_VIDEO 0xa +#define VBE_DISPI_INDEX_FB_BASE_HI 0xb +#define VBE_DISPI_INDEX_CFG 0xc + +#define VBE_DISPI_ID0 0xB0C0 +#define VBE_DISPI_ID1 0xB0C1 +#define VBE_DISPI_ID2 0xB0C2 +#define VBE_DISPI_ID3 0xB0C3 +#define VBE_DISPI_ID4 0xB0C4 + +#define VBE_DISPI_ID_VBOX_VIDEO 0xBE00 +/* The VBOX interface id. Indicates support for VBVA shared memory interface. */ +#define VBE_DISPI_ID_HGSMI 0xBE01 +#define VBE_DISPI_ID_ANYX 0xBE02 +#define VBE_DISPI_ID_CFG 0xBE03 /* VBE_DISPI_INDEX_CFG is available. */ + +#define VBE_DISPI_DISABLED 0x00 +#define VBE_DISPI_ENABLED 0x01 +#define VBE_DISPI_GETCAPS 0x02 +#define VBE_DISPI_8BIT_DAC 0x20 +/** @note this definition is a BOCHS legacy, used only in the video BIOS + * code and ignored by the emulated hardware. */ +#define VBE_DISPI_LFB_ENABLED 0x40 +#define VBE_DISPI_NOCLEARMEM 0x80 + +/* VBE_DISPI_INDEX_CFG content. */ +#define VBE_DISPI_CFG_MASK_ID 0x0FFF /* Identifier of a configuration value. */ +#define VBE_DISPI_CFG_MASK_SUPPORT 0x1000 /* Query whether the identifier is supported. */ +#define VBE_DISPI_CFG_MASK_RESERVED 0xE000 /* For future extensions. Must be 0. */ + +/* VBE_DISPI_INDEX_CFG values. */ +#define VBE_DISPI_CFG_ID_VERSION 0x0000 /* Version of the configuration interface. */ +#define VBE_DISPI_CFG_ID_VRAM_SIZE 0x0001 /* VRAM size. */ +#define VBE_DISPI_CFG_ID_3D 0x0002 /* 3D support. */ +#define VBE_DISPI_CFG_ID_VMSVGA 0x0003 /* VMSVGA FIFO and ports are available. */ + +#define VGA_PORT_HGSMI_HOST 0x3b0 +#define VGA_PORT_HGSMI_GUEST 0x3d0 + +#endif /* !VBOX_INCLUDED_Graphics_VBoxVideoVBE_h */ + |