xemu/include/hw/display/bochs-vbe.h
Gerd Hoffmann a3ee49f075 vga: move bochs vbe defines to header file
Create a new header file, move the bochs vbe dispi interface
defines to it, so they can be used outside vga code.

Signed-off-by: Gerd Hoffmann <kraxel@redhat.com>
Reviewed-by: Philippe Mathieu-Daudé <f4bug@amsat.org>
Reviewed-by: Marc-André Lureau <marcandre.lureau@redhat.com>
Message-id: 20180522165058.15404-2-kraxel@redhat.com
2018-05-24 10:42:13 +02:00

70 lines
2.2 KiB
C

#ifndef HW_DISPLAY_BOCHS_VBE_H
#define HW_DISPLAY_BOCHS_VBE_H
/*
* bochs vesa bios extension interface
*/
#define VBE_DISPI_MAX_XRES 16000
#define VBE_DISPI_MAX_YRES 12000
#define VBE_DISPI_MAX_BPP 32
#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_NB 0xa /* size of vbe_regs[] */
#define VBE_DISPI_INDEX_VIDEO_MEMORY_64K 0xa /* read-only, not in vbe_regs */
/* VBE_DISPI_INDEX_ID */
#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_ID5 0xB0C5
/* VBE_DISPI_INDEX_ENABLE */
#define VBE_DISPI_DISABLED 0x00
#define VBE_DISPI_ENABLED 0x01
#define VBE_DISPI_GETCAPS 0x02
#define VBE_DISPI_8BIT_DAC 0x20
#define VBE_DISPI_LFB_ENABLED 0x40
#define VBE_DISPI_NOCLEARMEM 0x80
/* only used by isa-vga, pci vga devices use a memory bar */
#define VBE_DISPI_LFB_PHYSICAL_ADDRESS 0xE0000000
/*
* qemu extension: mmio bar (region 2)
*/
#define PCI_VGA_MMIO_SIZE 0x1000
/* vga register region */
#define PCI_VGA_IOPORT_OFFSET 0x400
#define PCI_VGA_IOPORT_SIZE (0x3e0 - 0x3c0)
/* bochs vbe register region */
#define PCI_VGA_BOCHS_OFFSET 0x500
#define PCI_VGA_BOCHS_SIZE (0x0b * 2)
/* qemu extension register region */
#define PCI_VGA_QEXT_OFFSET 0x600
#define PCI_VGA_QEXT_SIZE (2 * 4)
/* qemu extension registers */
#define PCI_VGA_QEXT_REG_SIZE (0 * 4)
#define PCI_VGA_QEXT_REG_BYTEORDER (1 * 4)
#define PCI_VGA_QEXT_LITTLE_ENDIAN 0x1e1e1e1e
#define PCI_VGA_QEXT_BIG_ENDIAN 0xbebebebe
#endif /* HW_DISPLAY_BOCHS_VBE_H */