/* $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_ */