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pci_machdep.h revision 1.1 
      1 /* $NetBSD: pci_machdep.h,v 1.1 2000/06/09 05:33:04 soda Exp $ */
      2 /* NetBSD: pci_machdep.h,v 1.3 1999/03/19 03:40:46 cgd Exp  */
      3 
      4 /*
      5  * Copyright (c) 1996 Carnegie-Mellon University.
      6  * All rights reserved.
      7  *
      8  * Author: Chris G. Demetriou
      9  *
     10  * Permission to use, copy, modify and distribute this software and
     11  * its documentation is hereby granted, provided that both the copyright
     12  * notice and this permission notice appear in all copies of the
     13  * software, derivative works or modified versions, and any portions
     14  * thereof, and that both notices appear in supporting documentation.
     15  *
     16  * CARNEGIE MELLON ALLOWS FREE USE OF THIS SOFTWARE IN ITS "AS IS"
     17  * CONDITION.  CARNEGIE MELLON DISCLAIMS ANY LIABILITY OF ANY KIND
     18  * FOR ANY DAMAGES WHATSOEVER RESULTING FROM THE USE OF THIS SOFTWARE.
     19  *
     20  * Carnegie Mellon requests users of this software to return to
     21  *
     22  *  Software Distribution Coordinator  or  Software.Distribution (at) CS.CMU.EDU
     23  *  School of Computer Science
     24  *  Carnegie Mellon University
     25  *  Pittsburgh PA 15213-3890
     26  *
     27  * any improvements or extensions that they make and grant Carnegie the
     28  * rights to redistribute these changes.
     29  */
     30 
     31 /*
     32  * Machine-specific definitions for PCI autoconfiguration.
     33  */
     34 
     35 /*
     36  * Types provided to machine-independent PCI code
     37  */
     38 typedef struct arc_pci_chipset *pci_chipset_tag_t;
     39 typedef u_long pcitag_t;
     40 typedef u_long pci_intr_handle_t;
     41 
     42 /*
     43  * arc-specific PCI structure and type definitions.
     44  * NOT TO BE USED DIRECTLY BY MACHINE INDEPENDENT CODE.
     45  */
     46 struct arc_pci_chipset {
     47 	void		(*pc_attach_hook) __P((struct device *,
     48 			    struct device *, struct pcibus_attach_args *));
     49 	int		(*pc_bus_maxdevs) __P((pci_chipset_tag_t, int));
     50 	pcitag_t	(*pc_make_tag) __P((pci_chipset_tag_t, int, int, int));
     51 	pcireg_t	(*pc_conf_read) __P((pci_chipset_tag_t, pcitag_t,
     52 			    int));
     53 	void		(*pc_conf_write) __P((pci_chipset_tag_t, pcitag_t, int,
     54 			    pcireg_t));
     55 	int		(*pc_intr_map) __P((pci_chipset_tag_t, pcitag_t, int,
     56 			    int, pci_intr_handle_t *));
     57 	const char	*(*pc_intr_string) __P((pci_chipset_tag_t,
     58 			    pci_intr_handle_t));
     59 	void		*(*pc_intr_establish) __P((pci_chipset_tag_t,
     60 			    pci_intr_handle_t, int, int (*)(void *), void *));
     61 	void		(*pc_intr_disestablish) __P((pci_chipset_tag_t,
     62 			    void *));
     63 };
     64 
     65 /*
     66  * Functions provided to machine-independent PCI code.
     67  */
     68 #define	pci_attach_hook(p, s, pba)					\
     69     (*(pba)->pba_pc->pc_attach_hook)((p), (s), (pba))
     70 #define	pci_bus_maxdevs(c, b)						\
     71     (*(c)->pc_bus_maxdevs)((c), (b))
     72 #define	pci_make_tag(c, b, d, f)					\
     73     (*(c)->pc_make_tag)((c), (b), (d), (f))
     74 #define	pci_conf_read(c, t, r)						\
     75     (*(c)->pc_conf_read)((c), (t), (r))
     76 #define	pci_conf_write(c, t, r, v)					\
     77     (*(c)->pc_conf_write)((c), (t), (r), (v))
     78 #define	pci_intr_map(c, it, ip, il, ihp)				\
     79     (*(c)->pc_intr_map)((c), (it), (ip), (il), (ihp))
     80 #define	pci_intr_string(c, ih)						\
     81     (*(c)->pc_intr_string)((c), (ih))
     82 #define	pci_intr_establish(c, ih, l, h, a)				\
     83     (*(c)->pc_intr_establish)((c), (ih), (l), (h), (a))
     84 #define	pci_intr_disestablish(c, iv)					\
     85     (*(c)->pc_intr_disestablish)((c), (iv))
     86