1 /* 2 * QEMU VGA Emulator. 3 * 4 * Copyright (c) 2003 Fabrice Bellard 5 * 6 * This work is licensed under the terms of the GNU GPL, version 2 or later. 7 * See the COPYING file in the top-level directory. 8 */ 9 #ifndef QEMU_HW_DISPLAY_VGA_H 10 #define QEMU_HW_DISPLAY_VGA_H 11 12 /* 13 * modules can reference this symbol to avoid being loaded 14 * into system emulators without vga support 15 */ 16 extern bool have_vga; 17 18 enum vga_retrace_method { 19 VGA_RETRACE_DUMB, 20 VGA_RETRACE_PRECISE 21 }; 22 23 extern enum vga_retrace_method vga_retrace_method; 24 25 #define TYPE_VGA_MMIO "vga-mmio" 26 27 #endif 28