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pci_machdep.h revision 1.6 
      1 /* $NetBSD: pci_machdep.h,v 1.6 2005/01/22 07:35:34 tsutsui 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  * Forward declarations.
     37  */
     38 struct pci_attach_args;
     39 
     40 /*
     41  * Types provided to machine-independent PCI code
     42  */
     43 typedef struct arc_pci_chipset *pci_chipset_tag_t;
     44 typedef u_long pcitag_t;
     45 typedef u_long pci_intr_handle_t;
     46 
     47 /*
     48  * arc-specific PCI structure and type definitions.
     49  * NOT TO BE USED DIRECTLY BY MACHINE INDEPENDENT CODE.
     50  */
     51 struct arc_pci_chipset {
     52 	void		(*pc_attach_hook)(struct device *,
     53 			    struct device *, struct pcibus_attach_args *);
     54 	int		(*pc_bus_maxdevs)(pci_chipset_tag_t, int);
     55 	pcitag_t	(*pc_make_tag)(pci_chipset_tag_t, int, int, int);
     56 	void		(*pc_decompose_tag)(pci_chipset_tag_t, pcitag_t,
     57 			    int *, int *, int *);
     58 	pcireg_t	(*pc_conf_read)(pci_chipset_tag_t, pcitag_t, int);
     59 	void		(*pc_conf_write)(pci_chipset_tag_t, pcitag_t, int,
     60 			    pcireg_t);
     61 	int		(*pc_intr_map)(struct pci_attach_args *,
     62 			    pci_intr_handle_t *);
     63 	const char	*(*pc_intr_string)(pci_chipset_tag_t,
     64 			    pci_intr_handle_t);
     65 	void		*(*pc_intr_establish)(pci_chipset_tag_t,
     66 			    pci_intr_handle_t, int, int (*)(void *), void *);
     67 	void		(*pc_intr_disestablish)(pci_chipset_tag_t, void *);
     68 };
     69 
     70 /*
     71  * Functions provided to machine-independent PCI code.
     72  */
     73 #define	pci_attach_hook(p, s, pba)					\
     74     (*(pba)->pba_pc->pc_attach_hook)((p), (s), (pba))
     75 #define	pci_bus_maxdevs(c, b)						\
     76     (*(c)->pc_bus_maxdevs)((c), (b))
     77 #define	pci_make_tag(c, b, d, f)					\
     78     (*(c)->pc_make_tag)((c), (b), (d), (f))
     79 #define	pci_decompose_tag(c, t, bp, dp, fp)				\
     80     (*(c)->pc_decompose_tag)((c), (t), (bp), (dp), (fp))
     81 #define	pci_conf_read(c, t, r)						\
     82     (*(c)->pc_conf_read)((c), (t), (r))
     83 #define	pci_conf_write(c, t, r, v)					\
     84     (*(c)->pc_conf_write)((c), (t), (r), (v))
     85 #define	pci_intr_map(pa, ihp)						\
     86     (*(pa)->pa_pc->pc_intr_map)((pa), (ihp))
     87 #define	pci_intr_string(c, ih)						\
     88     (*(c)->pc_intr_string)((c), (ih))
     89 #define	pci_intr_establish(c, ih, l, h, a)				\
     90     (*(c)->pc_intr_establish)((c), (ih), (l), (h), (a))
     91 #define	pci_intr_disestablish(c, iv)					\
     92     (*(c)->pc_intr_disestablish)((c), (iv))
     93