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      1 /*	$NetBSD: pciconf.h,v 1.16 2020/10/20 23:03:30 jmcneill Exp $	*/
      2 
      3 /*
      4  * Copyright 2001 Wasabi Systems, Inc.
      5  * All rights reserved.
      6  *
      7  * Written by Allen Briggs for Wasabi Systems, Inc.
      8  *
      9  * Redistribution and use in source and binary forms, with or without
     10  * modification, are permitted provided that the following conditions
     11  * are met:
     12  * 1. Redistributions of source code must retain the above copyright
     13  *    notice, this list of conditions and the following disclaimer.
     14  * 2. Redistributions in binary form must reproduce the above copyright
     15  *    notice, this list of conditions and the following disclaimer in the
     16  *    documentation and/or other materials provided with the distribution.
     17  * 3. All advertising materials mentioning features or use of this software
     18  *    must display the following acknowledgement:
     19  *      This product includes software developed for the NetBSD Project by
     20  *      Wasabi Systems, Inc.
     21  * 4. The name of Wasabi Systems, Inc. may not be used to endorse
     22  *    or promote products derived from this software without specific prior
     23  *    written permission.
     24  *
     25  * THIS SOFTWARE IS PROVIDED BY WASABI SYSTEMS, INC. ``AS IS'' AND
     26  * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
     27  * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
     28  * PURPOSE ARE DISCLAIMED.  IN NO EVENT SHALL WASABI SYSTEMS, INC
     29  * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
     30  * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
     31  * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
     32  * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
     33  * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
     34  * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
     35  * POSSIBILITY OF SUCH DAMAGE.
     36  */
     37 
     38 #ifndef _DEV_PCI_PCICONF_H_
     39 #define	_DEV_PCI_PCICONF_H_
     40 
     41 #include <sys/vmem.h>
     42 
     43 struct pciconf_resources;
     44 
     45 #define	PCICONF_RESOURCE_IO			0
     46 #define	PCICONF_RESOURCE_MEM			1
     47 #define	PCICONF_RESOURCE_PREFETCHABLE_MEM	2
     48 
     49 struct pciconf_resources *
     50 	pciconf_resource_init(void);
     51 void	pciconf_resource_fini(struct pciconf_resources *);
     52 int	pciconf_resource_add(struct pciconf_resources *, int,
     53 	    bus_addr_t, bus_size_t);
     54 void	pciconf_resource_reserve(int, bus_addr_t, bus_size_t,
     55 	    void (*)(void *, uint64_t), void *);
     56 
     57 /*
     58  * args: pci_chipset_tag_t, resources, firstbus, cacheline_size
     59  * If no prefetchable memory resources are available, plain memory resources
     60  * will be used for both.
     61  */
     62 int	pci_configure_bus(pci_chipset_tag_t, struct pciconf_resources *,
     63 	    int, int);
     64 
     65 /* Defined in machdep code.  Returns the interrupt line to set */
     66 /* args: chipset_tag, bus, dev, ipin, swiz, ptr to interrupt line */
     67 #ifndef pci_conf_interrupt
     68 void	pci_conf_interrupt(pci_chipset_tag_t, int, int, int, int, int *);
     69 #endif
     70 
     71 #define PCI_CONF_MAP_IO		0x0001
     72 #define PCI_CONF_MAP_MEM	0x0002
     73 #define PCI_CONF_MAP_ROM	0x0004
     74 #define PCI_CONF_ENABLE_IO	0x0008
     75 #define PCI_CONF_ENABLE_MEM	0x0010
     76 #define PCI_CONF_ENABLE_BM	0x0020
     77 #define PCI_CONF_ENABLE_PARITY	0x0040
     78 #define PCI_CONF_ENABLE_SERR	0x0080
     79 #define PCI_CONF_ENABLE_ROM	0x0100
     80 #define PCI_CONF_DEFAULT	0x00ff
     81 #define PCI_CONF_ALL		0x01ff
     82 
     83 #endif /* _DEV_PCI_PCICONF_H_ */
     84