drivers/staging/vboxvideo/vboxvideo_vbe.h

   1 /*
   2  * Copyright (C) 2006-2017 Oracle Corporation
   3  *
   4  * Permission is hereby granted, free of charge, to any person obtaining a
   5  * copy of this software and associated documentation files (the "Software"),
   6  * to deal in the Software without restriction, including without limitation
   7  * the rights to use, copy, modify, merge, publish, distribute, sublicense,
   8  * and/or sell copies of the Software, and to permit persons to whom the
   9  * Software is furnished to do so, subject to the following conditions:
  10  *
  11  * The above copyright notice and this permission notice shall be included in
  12  * all copies or substantial portions of the Software.
  13  *
  14  * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
  15  * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
  16  * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.  IN NO EVENT SHALL
  17  * THE COPYRIGHT HOLDER(S) OR AUTHOR(S) BE LIABLE FOR ANY CLAIM, DAMAGES OR
  18  * OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE,
  19  * ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR
  20  * OTHER DEALINGS IN THE SOFTWARE.
  21  */
  22
  23 #ifndef __VBOXVIDEO_VBE_H__
  24 #define __VBOXVIDEO_VBE_H__
  25
  26 /* GUEST <-> HOST Communication API */
  27
  28 /**
  29  * @todo FIXME: Either dynamicly ask host for this or put somewhere high in
  30  *              physical memory like 0xE0000000.
  31  */
  32
  33 #define VBE_DISPI_BANK_ADDRESS          0xA0000
  34 #define VBE_DISPI_BANK_SIZE_KB          64
  35
  36 #define VBE_DISPI_MAX_XRES              16384
  37 #define VBE_DISPI_MAX_YRES              16384
  38 #define VBE_DISPI_MAX_BPP               32
  39
  40 #define VBE_DISPI_IOPORT_INDEX          0x01CE
  41 #define VBE_DISPI_IOPORT_DATA           0x01CF
  42
  43 #define VBE_DISPI_IOPORT_DAC_WRITE_INDEX  0x03C8
  44 #define VBE_DISPI_IOPORT_DAC_DATA         0x03C9
  45
  46 #define VBE_DISPI_INDEX_ID              0x0
  47 #define VBE_DISPI_INDEX_XRES            0x1
  48 #define VBE_DISPI_INDEX_YRES            0x2
  49 #define VBE_DISPI_INDEX_BPP             0x3
  50 #define VBE_DISPI_INDEX_ENABLE          0x4
  51 #define VBE_DISPI_INDEX_BANK            0x5
  52 #define VBE_DISPI_INDEX_VIRT_WIDTH      0x6
  53 #define VBE_DISPI_INDEX_VIRT_HEIGHT     0x7
  54 #define VBE_DISPI_INDEX_X_OFFSET        0x8
  55 #define VBE_DISPI_INDEX_Y_OFFSET        0x9
  56 #define VBE_DISPI_INDEX_VBOX_VIDEO      0xa
  57 #define VBE_DISPI_INDEX_FB_BASE_HI      0xb
  58
  59 #define VBE_DISPI_ID0                   0xB0C0
  60 #define VBE_DISPI_ID1                   0xB0C1
  61 #define VBE_DISPI_ID2                   0xB0C2
  62 #define VBE_DISPI_ID3                   0xB0C3
  63 #define VBE_DISPI_ID4                   0xB0C4
  64
  65 #define VBE_DISPI_ID_VBOX_VIDEO         0xBE00
  66 /* The VBOX interface id. Indicates support for VBVA shared memory interface. */
  67 #define VBE_DISPI_ID_HGSMI              0xBE01
  68 #define VBE_DISPI_ID_ANYX               0xBE02
  69
  70 #define VBE_DISPI_DISABLED              0x00
  71 #define VBE_DISPI_ENABLED               0x01
  72 #define VBE_DISPI_GETCAPS               0x02
  73 #define VBE_DISPI_8BIT_DAC              0x20
  74 /**
  75  * @note this definition is a BOCHS legacy, used only in the video BIOS
  76  * code and ignored by the emulated hardware.
  77  */
  78 #define VBE_DISPI_LFB_ENABLED           0x40
  79 #define VBE_DISPI_NOCLEARMEM            0x80
  80
  81 #define VGA_PORT_HGSMI_HOST             0x3b0
  82 #define VGA_PORT_HGSMI_GUEST            0x3d0
  83
  84 #endif