/*-
 * SPDX-License-Identifier: BSD-2-Clause-FreeBSD
 *
 * Copyright (c) 1997, Stefan Esser <se@freebsd.org>
 * All rights reserved.
 *
 * Redistribution and use in source and binary forms, with or without
 * modification, are permitted provided that the following conditions
 * are met:
 * 1. Redistributions of source code must retain the above copyright
 *    notice unmodified, this list of conditions, and the following
 *    disclaimer.
 * 2. Redistributions in binary form must reproduce the above copyright
 *    notice, this list of conditions and the following disclaimer in the
 *    documentation and/or other materials provided with the distribution.
 *
 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
 * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
 * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
 * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
 * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
 * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
 * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
 * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
 *
 * $FreeBSD: releng/12.4/sys/x86/include/pci_cfgreg.h 346284 2019-04-16 17:16:18Z kib $
 *
 */

#ifndef __X86_PCI_CFGREG_H__
#define	__X86_PCI_CFGREG_H__

#define CONF1_ADDR_PORT    0x0cf8
#define CONF1_DATA_PORT    0x0cfc

#define CONF1_ENABLE       0x80000000ul
#define CONF1_ENABLE_CHK   0x80000000ul
#define CONF1_ENABLE_MSK   0x7f000000ul
#define CONF1_ENABLE_CHK1  0xff000001ul
#define CONF1_ENABLE_MSK1  0x80000001ul
#define CONF1_ENABLE_RES1  0x80000000ul

#define CONF2_ENABLE_PORT  0x0cf8
#define CONF2_FORWARD_PORT 0x0cfa

#define CONF2_ENABLE_CHK   0x0e
#define CONF2_ENABLE_RES   0x0e

enum {
	CFGMECH_NONE = 0,
	CFGMECH_1,
	CFGMECH_2,
	CFGMECH_PCIE,
};

extern int cfgmech;

rman_res_t	hostb_alloc_start(int type, rman_res_t start, rman_res_t end, rman_res_t count);
int		pcie_cfgregopen(uint64_t base, uint8_t minbus, uint8_t maxbus);
int		pci_cfgregopen(void);
u_int32_t	pci_cfgregread(int bus, int slot, int func, int reg, int bytes);
void		pci_cfgregwrite(int bus, int slot, int func, int reg, u_int32_t data, int bytes);
#ifdef __HAVE_PIR
void		pci_pir_open(void);
int		pci_pir_probe(int bus, int require_parse);
int		pci_pir_route_interrupt(int bus, int device, int func, int pin);
#endif

#endif /* !__X86_PCI_CFGREG_H__ */