include/hw/display/bochs-vbe.h

   1 #ifndef HW_DISPLAY_BOCHS_VBE_H
   2 #define HW_DISPLAY_BOCHS_VBE_H
   3
   4 /*
   5  * bochs vesa bios extension interface
   6  */
   7
   8 #define VBE_DISPI_MAX_XRES              16000
   9 #define VBE_DISPI_MAX_YRES              12000
  10 #define VBE_DISPI_MAX_BPP               32
  11
  12 #define VBE_DISPI_INDEX_ID              0x0
  13 #define VBE_DISPI_INDEX_XRES            0x1
  14 #define VBE_DISPI_INDEX_YRES            0x2
  15 #define VBE_DISPI_INDEX_BPP             0x3
  16 #define VBE_DISPI_INDEX_ENABLE          0x4
  17 #define VBE_DISPI_INDEX_BANK            0x5
  18 #define VBE_DISPI_INDEX_VIRT_WIDTH      0x6
  19 #define VBE_DISPI_INDEX_VIRT_HEIGHT     0x7
  20 #define VBE_DISPI_INDEX_X_OFFSET        0x8
  21 #define VBE_DISPI_INDEX_Y_OFFSET        0x9
  22 #define VBE_DISPI_INDEX_NB              0xa /* size of vbe_regs[] */
  23 #define VBE_DISPI_INDEX_VIDEO_MEMORY_64K 0xa /* read-only, not in vbe_regs */
  24
  25 /* VBE_DISPI_INDEX_ID */
  26 #define VBE_DISPI_ID0                   0xB0C0
  27 #define VBE_DISPI_ID1                   0xB0C1
  28 #define VBE_DISPI_ID2                   0xB0C2
  29 #define VBE_DISPI_ID3                   0xB0C3
  30 #define VBE_DISPI_ID4                   0xB0C4
  31 #define VBE_DISPI_ID5                   0xB0C5
  32
  33 /* VBE_DISPI_INDEX_ENABLE */
  34 #define VBE_DISPI_DISABLED              0x00
  35 #define VBE_DISPI_ENABLED               0x01
  36 #define VBE_DISPI_GETCAPS               0x02
  37 #define VBE_DISPI_8BIT_DAC              0x20
  38 #define VBE_DISPI_LFB_ENABLED           0x40
  39 #define VBE_DISPI_NOCLEARMEM            0x80
  40
  41 /* only used by isa-vga, pci vga devices use a memory bar */
  42 #define VBE_DISPI_LFB_PHYSICAL_ADDRESS  0xE0000000
  43
  44
  45 /*
  46  * qemu extension: mmio bar (region 2)
  47  */
  48
  49 #define PCI_VGA_MMIO_SIZE     0x1000
  50
  51 /* vga register region */
  52 #define PCI_VGA_IOPORT_OFFSET 0x400
  53 #define PCI_VGA_IOPORT_SIZE   (0x3e0 - 0x3c0)
  54
  55 /* bochs vbe register region */
  56 #define PCI_VGA_BOCHS_OFFSET  0x500
  57 #define PCI_VGA_BOCHS_SIZE    (0x0b * 2)
  58
  59 /* qemu extension register region */
  60 #define PCI_VGA_QEXT_OFFSET   0x600
  61 #define PCI_VGA_QEXT_SIZE     (2 * 4)
  62
  63 /* qemu extension registers */
  64 #define PCI_VGA_QEXT_REG_SIZE         (0 * 4)
  65 #define PCI_VGA_QEXT_REG_BYTEORDER    (1 * 4)
  66 #define  PCI_VGA_QEXT_LITTLE_ENDIAN   0x1e1e1e1e
  67 #define  PCI_VGA_QEXT_BIG_ENDIAN      0xbebebebe
  68
  69 #endif /* HW_DISPLAY_BOCHS_VBE_H */