/* $NetBSD: pcipnp.h,v 1.2 2008/04/28 20:23:33 martin Exp $ */
/*-
 * Copyright (c) 2006 The NetBSD Foundation, Inc.
 * All rights reserved.
 *
 * This code is derived from software contributed to The NetBSD Foundation
 * by Tim Rightnour
 *
 * 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, 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 NETBSD FOUNDATION, INC. AND CONTRIBUTORS
 * ``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 FOUNDATION OR CONTRIBUTORS
 * 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.
 */
/*
 * Based on:
 * IBM Power Personal Systems Architecture: Residual Data
 * Document Number: PPS-AR-FW0001 Rev 0.5  April 3, 1996
 */

#ifndef _PCIPNP_H_
#define _PCIPNP_H_

#define MAX_PCI_INTRS   4

typedef enum _IntrTypes {
        IntrInvalid = 0,
        Intr8259 = 1,
        IntrMPIC = 2,
        IntrRS6K = 3
} _IntrTypes;

/* PCI to system conversion map */
typedef struct _IntrMap {
        uint8_t slotnum;                /* First = 1, integrated = 0 */
        uint8_t devfunc;
        uint8_t intrctrltype;           /* interrupt type */
        uint8_t intrctrlnum;            /* 8259 = 0
                                         * MPIC = 1
                                         * RS6K = buid ???? */
        uint16_t intr[MAX_PCI_INTRS];   /* Index 0-3 == A-D
                                         * 0xFFFF == not usable
                                         * 0x8nnn == edge sensitive
                                         */
} IntrMap;

typedef struct _PCIInfoPack {
        uint8_t tag;                    /* large tag = 0x84 */
        uint8_t count0;
        uint8_t count1;
          /* count = number of PCI slots * sizeof(IntrMap) + 21 */
        uint8_t type;                   /* == 3 PCI Bridge */
        uint8_t configbaseaddr[8];      /* Base addr of PCI configuration
                                         *   system real address */
        uint8_t configbasedata[8];      /* base addr of PCI config data
                                         *   system real address */
        uint8_t busnum;                 /* PCI Bus Number */
        uint8_t reserved[3];            /* reserved, padded with 0 */
        IntrMap map[1];                 /* Interrupt map array for each PCI
                                         * slots that are pluggable.
                                         * number = (count-21)/sizeof(IntrMap)*/
} PCIInfoPack;

#endif /* _PCIPNP_H_ */