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