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      1 /*	$NetBSD: pci_machdep.h,v 1.7 2011/06/22 18:06:34 matt Exp $	*/
      2 
      3 /*
      4  * Copyright (c) 1996 Christopher G. Demetriou.  All rights reserved.
      5  * Copyright (c) 1994 Charles M. Hannum.  All rights reserved.
      6  *
      7  * Redistribution and use in source and binary forms, with or without
      8  * modification, are permitted provided that the following conditions
      9  * are met:
     10  * 1. Redistributions of source code must retain the above copyright
     11  *    notice, this list of conditions and the following disclaimer.
     12  * 2. Redistributions in binary form must reproduce the above copyright
     13  *    notice, this list of conditions and the following disclaimer in the
     14  *    documentation and/or other materials provided with the distribution.
     15  * 3. All advertising materials mentioning features or use of this software
     16  *    must display the following acknowledgement:
     17  *	This product includes software developed by Charles M. Hannum.
     18  * 4. The name of the author may not be used to endorse or promote products
     19  *    derived from this software without specific prior written permission.
     20  *
     21  * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
     22  * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
     23  * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
     24  * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
     25  * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
     26  * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
     27  * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
     28  * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
     29  * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
     30  * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
     31  */
     32 
     33 /*
     34  * Machine-specific definitions for PCI autoconfiguration.
     35  */
     36 
     37 #define __HAVE_PCI_CONF_HOOK
     38 
     39 #include <dev/pci/pcivar.h>
     40 #include <powerpc/pci_machdep.h>
     41 
     42 /*
     43  * Forward declarations.
     44  */
     45 struct pci_attach_args;
     46 
     47 /*
     48  * ibm4xx-specific PCI structure and type definitions.
     49  * NOT TO BE USED DIRECTLY BY MACHINE INDEPENDENT CODE.
     50  *
     51  * Configuration tag; created from a {bus,device,function} triplet by
     52  * pci_make_tag(), and passed to pci_conf_read() and pci_conf_write().
     53  * We could instead always pass the {bus,device,function} triplet to
     54  * the read and write routines, but this would cause extra overhead.
     55  */
     56 
     57 /*
     58  * Functions provided to machine-independent PCI code.
     59  */
     60 void		ibm4xx_pci_attach_hook(device_t, device_t,
     61 		    struct pcibus_attach_args *);
     62 int		ibm4xx_pci_bus_maxdevs(void *, int);
     63 pcitag_t	ibm4xx_pci_make_tag(void *, int, int, int);
     64 void		ibm4xx_pci_decompose_tag(void *, pcitag_t, int *, int *, int *);
     65 pcireg_t	ibm4xx_pci_conf_read(void *, pcitag_t, int);
     66 void		ibm4xx_pci_conf_write(void *, pcitag_t, int, pcireg_t);
     67 
     68 int		ibm4xx_pci_intr_map(const struct pci_attach_args *,
     69 		    pci_intr_handle_t *);
     70 int		ibm4xx_pci_intr_setattr(void *, pci_intr_handle_t *,
     71 		    int, uint64_t);
     72 
     73 void		ibm4xx_pci_conf_interrupt(void *, int, int, int, int, int *);
     74 int		ibm4xx_pci_conf_hook(void *, int, int, int, pcireg_t);
     75 
     76 void		ibm4xx_pci_machdep_init(void);
     77 pci_chipset_tag_t
     78 		ibm4xx_get_pci_chipset_tag(void);
     79 
     80 
     81 /*
     82  * Internal functions.
     83  */
     84 void		ibm4xx_pci_init(int);
     85