/*      $NetBSD: pciconf.h,v 1.16 2020/10/20 23:03:30 jmcneill Exp $    */

/*
* Copyright 2001 Wasabi Systems, Inc.
* All rights reserved.
*
* Written by Allen Briggs for Wasabi Systems, Inc.
*
* 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.
* 3. All advertising materials mentioning features or use of this software
*    must display the following acknowledgement:
*      This product includes software developed for the NetBSD Project by
*      Wasabi Systems, Inc.
* 4. The name of Wasabi Systems, Inc. may not be used to endorse
*    or promote products derived from this software without specific prior
*    written permission.
*
* THIS SOFTWARE IS PROVIDED BY WASABI SYSTEMS, INC. ``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 WASABI SYSTEMS, INC
* 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.
*/

#ifndef _DEV_PCI_PCICONF_H_
#define _DEV_PCI_PCICONF_H_

#include <sys/vmem.h>

struct pciconf_resources;

#define PCICONF_RESOURCE_IO                     0
#define PCICONF_RESOURCE_MEM                    1
#define PCICONF_RESOURCE_PREFETCHABLE_MEM       2

struct pciconf_resources *
       pciconf_resource_init(void);
void    pciconf_resource_fini(struct pciconf_resources *);
int     pciconf_resource_add(struct pciconf_resources *, int,
           bus_addr_t, bus_size_t);
void    pciconf_resource_reserve(int, bus_addr_t, bus_size_t,
           void (*)(void *, uint64_t), void *);

/*
* args: pci_chipset_tag_t, resources, firstbus, cacheline_size
* If no prefetchable memory resources are available, plain memory resources
* will be used for both.
*/
int     pci_configure_bus(pci_chipset_tag_t, struct pciconf_resources *,
           int, int);

/* Defined in machdep code.  Returns the interrupt line to set */
/* args: chipset_tag, bus, dev, ipin, swiz, ptr to interrupt line */
#ifndef pci_conf_interrupt
void    pci_conf_interrupt(pci_chipset_tag_t, int, int, int, int, int *);
#endif

#define PCI_CONF_MAP_IO         0x0001
#define PCI_CONF_MAP_MEM        0x0002
#define PCI_CONF_MAP_ROM        0x0004
#define PCI_CONF_ENABLE_IO      0x0008
#define PCI_CONF_ENABLE_MEM     0x0010
#define PCI_CONF_ENABLE_BM      0x0020
#define PCI_CONF_ENABLE_PARITY  0x0040
#define PCI_CONF_ENABLE_SERR    0x0080
#define PCI_CONF_ENABLE_ROM     0x0100
#define PCI_CONF_DEFAULT        0x00ff
#define PCI_CONF_ALL            0x01ff

#endif /* _DEV_PCI_PCICONF_H_ */