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pcivar.h revision 1.5 
      1 /*	$NetBSD: pcivar.h,v 1.5 1995/04/17 12:09:47 cgd Exp $	*/
      2 
      3 /*
      4  * Copyright (c) 1994 Charles Hannum.  All rights reserved.
      5  *
      6  * Redistribution and use in source and binary forms, with or without
      7  * modification, are permitted provided that the following conditions
      8  * are met:
      9  * 1. Redistributions of source code must retain the above copyright
     10  *    notice, this list of conditions and the following disclaimer.
     11  * 2. Redistributions in binary form must reproduce the above copyright
     12  *    notice, this list of conditions and the following disclaimer in the
     13  *    documentation and/or other materials provided with the distribution.
     14  * 3. All advertising materials mentioning features or use of this software
     15  *    must display the following acknowledgement:
     16  *	This product includes software developed by Charles Hannum.
     17  * 4. The name of the author may not be used to endorse or promote products
     18  *    derived from this software without specific prior written permission.
     19  *
     20  * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
     21  * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
     22  * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
     23  * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
     24  * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
     25  * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
     26  * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
     27  * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
     28  * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
     29  * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
     30  */
     31 
     32 /*
     33  * Definitions for PCI autoconfiguration.
     34  *
     35  * This file describes types and functions which are used for PCI
     36  * configuration.  Some of this information is machine-specific, and is
     37  * separated into pci_machdep.h.
     38  */
     39 
     40 #if (i386 != 1)
     41 ERROR: COMPILING FOR UNSUPPORTED MACHINE, OR MORE THAN ONE.
     42 #endif
     43 
     44 #if i386
     45 #include <i386/pci/pci_machdep.h>
     46 #endif
     47 
     48 /* PCI interrupt levels; system interrupt levels for PCI bus use */
     49 typedef enum {
     50 	PCI_IPL_NONE,		/* block only the interrupt's IRQ*/
     51 	PCI_IPL_BIO,		/* block I/O interrupts */
     52 	PCI_IPL_NET,		/* network */
     53 	PCI_IPL_TTY,		/* terminal */
     54 	PCI_IPL_CLOCK,		/* clock */
     55 } pci_intrlevel;
     56 
     57 struct pci_attach_args {
     58 	int pa_bus;
     59 	int pa_device;
     60 	pcitag_t pa_tag;
     61 	pcireg_t pa_id, pa_class;
     62 };
     63 
     64 pcitag_t pci_make_tag __P((int, int, int));
     65 pcireg_t pci_conf_read __P((pcitag_t, int));
     66 void pci_conf_write __P((pcitag_t, int, pcireg_t));
     67 int pci_map_mem __P((pcitag_t, int, vm_offset_t *, vm_offset_t *));
     68 void *pci_map_int __P((pcitag_t, pci_intrlevel, int (*)(void *), void *));
     69