qemu/include/hw/display/vga.h

/*
 * QEMU VGA Emulator.
 *
 * Copyright (c) 2003 Fabrice Bellard
 *
 * This work is licensed under the terms of the GNU GPL, version 2 or later.
 * See the COPYING file in the top-level directory.
 */
#ifndef QEMU_HW_DISPLAY_VGA_H
#define QEMU_HW_DISPLAY_VGA_H

#include "exec/hwaddr.h"

/*
 * modules can reference this symbol to avoid being loaded
 * into system emulators without vga support
 */
extern bool have_vga;

enum vga_retrace_method {
    VGA_RETRACE_DUMB,
    VGA_RETRACE_PRECISE
};

extern enum vga_retrace_method vga_retrace_method;

int vga_mmio_init(hwaddr vram_base, hwaddr ctrl_base,
                  int it_shift, MemoryRegion *address_space);

#endif