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 */ 70