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      1 /*	$NetBSD: pci_machdep.h,v 1.16 2014/03/29 19:28:26 christos Exp $	*/
      2 
      3 /*
      4  * Copyright (c) 1996 Leo Weppelman.  All rights reserved.
      5  * Copyright (c) 1996 Christopher G. Demetriou.  All rights reserved.
      6  * Copyright (c) 1994 Charles M. Hannum.  All rights reserved.
      7  *
      8  * Redistribution and use in source and binary forms, with or without
      9  * modification, are permitted provided that the following conditions
     10  * are met:
     11  * 1. Redistributions of source code must retain the above copyright
     12  *    notice, this list of conditions and the following disclaimer.
     13  * 2. Redistributions in binary form must reproduce the above copyright
     14  *    notice, this list of conditions and the following disclaimer in the
     15  *    documentation and/or other materials provided with the distribution.
     16  * 3. All advertising materials mentioning features or use of this software
     17  *    must display the following acknowledgement:
     18  *	This product includes software developed by Charles M. Hannum.
     19  * 4. The name of the author may not be used to endorse or promote products
     20  *    derived from this software without specific prior written permission.
     21  *
     22  * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
     23  * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
     24  * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
     25  * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
     26  * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
     27  * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
     28  * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
     29  * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
     30  * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
     31  * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
     32  */
     33 
     34 #ifndef _ATARI_PCI_MACHDEP_H_
     35 #define _ATARI_PCI_MACHDEP_H_
     36 
     37 #include <machine/intr.h>
     38 
     39 /*
     40  * Machine-specific definitions for PCI autoconfiguration.
     41  */
     42 #define	__HAVE_PCIIDE_MACHDEP_COMPAT_INTR_ESTABLISH
     43 
     44 /*
     45  * Forward declarations.
     46  */
     47 struct pci_attach_args;
     48 
     49 /*
     50  * Types provided to machine-independent PCI code
     51  */
     52 typedef void	*pci_chipset_tag_t;
     53 
     54 typedef u_long	pcitag_t;
     55 typedef int	pci_intr_handle_t;
     56 
     57 typedef struct	{
     58 	int		ipl;	/* ipl requested			*/
     59 	int		imask;	/* bitmask for MFP-register		*/
     60 	int		(*ifunc)(void *);	/* function to call	*/
     61 	void		*iarg;	/* argument for 'ifunc'			*/
     62 	struct intrhand	*ihand;	/* save this for disestablishing	*/
     63 } pci_intr_info_t;
     64 
     65 /*
     66  * Functions provided to machine-independent PCI code.
     67  */
     68 void		pci_attach_hook(device_t, device_t,
     69 			struct pcibus_attach_args *);
     70 int		pci_bus_maxdevs(pci_chipset_tag_t, int);
     71 pcitag_t	pci_make_tag(pci_chipset_tag_t, int, int, int);
     72 void		pci_decompose_tag(pci_chipset_tag_t, pcitag_t, int *, int *,
     73 		    int *);
     74 pcireg_t	pci_conf_read(pci_chipset_tag_t, pcitag_t, int);
     75 void		pci_conf_write(pci_chipset_tag_t, pcitag_t, int, pcireg_t);
     76 int		pci_intr_map(const struct pci_attach_args *,
     77 		    pci_intr_handle_t *);
     78 const char	*pci_intr_string(pci_chipset_tag_t, pci_intr_handle_t, char *, size_t);
     79 const struct evcnt *pci_intr_evcnt(pci_chipset_tag_t, pci_intr_handle_t);
     80 void		*pci_intr_establish(pci_chipset_tag_t, pci_intr_handle_t,
     81 			int, int (*)(void *), void *);
     82 void		pci_intr_disestablish(pci_chipset_tag_t, void *);
     83 
     84 #endif /* _ATARI_PCI_MACHDEP_H_ */
     85