qemu-patch-raspberry4/include/hw/display/vga.h
Gerd Hoffmann 48ecfbf12c modules: add have_vga
Introduce a symbol which can be used to prevent display modules which
need vga support being loaded into system emulators with CONFIG_VGA=n.

Signed-off-by: Gerd Hoffmann <kraxel@redhat.com>
Message-id: 20210430113547.1816178-1-kraxel@redhat.com
Message-Id: <20210430113547.1816178-16-kraxel@redhat.com>
2021-05-10 13:55:28 +02:00

32 lines
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C

/*
* 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 isa_vga_mm_init(hwaddr vram_base,
hwaddr ctrl_base, int it_shift,
MemoryRegion *address_space);
#endif