1/* SPDX-License-Identifier: GPL-2.0 */
2/*
3 * Copyright (C) 1996-1999 SciTech Software, Inc.
4 */
5
6#ifndef _BIOS_EMUL_H
7#define _BIOS_EMUL_H
8
9/* Include the register header directly here */
10#include "../drivers/bios_emulator/include/x86emu/regs.h"
11#include <pci.h>
12
13/****************************************************************************
14REMARKS:
15Data structure used to describe the details for the BIOS emulator system
16environment as used by the X86 emulator library.
17
18HEADER:
19biosemu.h
20
21MEMBERS:
22vgaInfo         - VGA BIOS information structure
23biosmem_base    - Base of the BIOS image
24biosmem_limit   - Limit of the BIOS image
25busmem_base     - Base of the VGA bus memory
26****************************************************************************/
27typedef struct {
28	int function;
29	int device;
30	int bus;
31	u32 VendorID;
32	u32 DeviceID;
33	struct udevice *pcidev;
34	void *BIOSImage;
35	u32 BIOSImageLen;
36	u8 LowMem[1536];
37} BE_VGAInfo;
38
39struct vesa_state;
40
41int BootVideoCardBIOS(struct udevice *pcidev, BE_VGAInfo **pVGAInfo,
42		      int clean_up);
43
44/* Run a BIOS ROM natively (only supported on x86 machines) */
45void bios_run_on_x86(struct udevice *dev, unsigned long addr, int vesa_mode,
46		     struct vesa_state *mode_info);
47
48/**
49 * bios_set_interrupt_handler() - Install an interrupt handler for the BIOS
50 *
51 * This installs an interrupt handler that the BIOS will call when needed.
52 *
53 * @intnum:		Interrupt number to install a handler for
54 * @int_handler_func:	Function to call to handle interrupt
55 */
56void bios_set_interrupt_handler(int intnum, int (*int_handler_func)(void));
57
58void biosemu_set_interrupt_handler(int intnum, int (*int_func)(void));
59
60int biosemu_setup(struct udevice *pcidev, BE_VGAInfo **pVGAInfo);
61
62int biosemu_run(struct udevice *dev, uchar *bios_rom, int bios_len,
63		BE_VGAInfo *vga_info, int clean_up, int vesa_mode,
64		struct vesa_state *mode_info);
65
66#endif
67