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pci_machdep.h revision 1.4 
      1 /*	$NetBSD: pci_machdep.h,v 1.4 2001/06/08 04:48:57 simonb 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 #define	__HAVE_PCIIDE_MACHDEP_COMPAT_INTR_ESTABLISH
     37 
     38 /*
     39  * Forward declarations.
     40  */
     41 struct pci_attach_args;
     42 
     43 /*
     44  * Cobalt-specific PCI structure and type definitions.
     45  * NOT TO BE USED DIRECTLY BY MACHINE INDEPENDENT CODE.
     46  */
     47 
     48 extern struct cobalt_bus_dma_tag pci_bus_dma_tag;
     49 
     50 /*
     51  * Types provided to machine-independent PCI code
     52  */
     53 typedef void		*pci_chipset_tag_t;
     54 typedef u_int32_t	pcitag_t;
     55 typedef int 		pci_intr_handle_t;
     56 
     57 /*
     58  * Functions provided to machine-independent PCI code.
     59  */
     60 void		pci_attach_hook(struct device *, struct device *,
     61 			struct pcibus_attach_args *);
     62 int		pci_bus_maxdevs(pci_chipset_tag_t, int);
     63 pcitag_t	pci_make_tag(pci_chipset_tag_t, int, int, int);
     64 void		pci_decompose_tag(pci_chipset_tag_t, pcitag_t,
     65 			int *, int *, int *);
     66 pcireg_t	pci_conf_read(pci_chipset_tag_t, pcitag_t, int);
     67 void		pci_conf_write(pci_chipset_tag_t, pcitag_t, int,
     68 			pcireg_t);
     69 int		pci_intr_map(struct pci_attach_args *, pci_intr_handle_t *);
     70 const char	*pci_intr_string(pci_chipset_tag_t, pci_intr_handle_t);
     71 const struct evcnt *pci_intr_evcnt(pci_chipset_tag_t, pci_intr_handle_t);
     72 void		*pci_intr_establish(pci_chipset_tag_t, pci_intr_handle_t,
     73 			int, int (*)(void *), void *);
     74 void		pci_intr_disestablish(pci_chipset_tag_t, void *);
     75