sys/arch/arc/include/pci_machdep.h

   1 /* $NetBSD: pci_machdep.h,v 1.7 2005/12/11 12:16:39 christos 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@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 #define __HAVE_PCI_CONF_HOOK
  35
  36 /*
  37  * Forward declarations.
  38  */
  39 struct pci_attach_args;
  40
  41 /*
  42  * Types provided to machine-independent PCI code
  43  */
  44 typedef struct arc_pci_chipset *pci_chipset_tag_t;
  45 typedef u_long pcitag_t;
  46 typedef u_long pci_intr_handle_t;
  47
  48 /*
  49  * arc-specific PCI structure and type definitions.
  50  * NOT TO BE USED DIRECTLY BY MACHINE INDEPENDENT CODE.
  51  */
  52 struct arc_pci_chipset {
  53         void            (*pc_attach_hook)(struct device *,
  54                             struct device *, struct pcibus_attach_args *);
  55         int             (*pc_bus_maxdevs)(pci_chipset_tag_t, int);
  56         pcitag_t        (*pc_make_tag)(pci_chipset_tag_t, int, int, int);
  57         void            (*pc_decompose_tag)(pci_chipset_tag_t, pcitag_t,
  58                             int *, int *, int *);
  59         pcireg_t        (*pc_conf_read)(pci_chipset_tag_t, pcitag_t, int);
  60         void            (*pc_conf_write)(pci_chipset_tag_t, pcitag_t, int,
  61                             pcireg_t);
  62         int             (*pc_intr_map)(struct pci_attach_args *,
  63                             pci_intr_handle_t *);
  64         const char      *(*pc_intr_string)(pci_chipset_tag_t,
  65                             pci_intr_handle_t);
  66         void            *(*pc_intr_establish)(pci_chipset_tag_t,
  67                             pci_intr_handle_t, int, int (*)(void *), void *);
  68         void            (*pc_intr_disestablish)(pci_chipset_tag_t, void *);
  69         void            (*pc_conf_interrupt)(pci_chipset_tag_t, int, int, int,
  70                             int, int *);
  71         int             (*pc_conf_hook)(pci_chipset_tag_t, int, int, int,
  72                             pcireg_t);
  73
  74         struct extent   *pc_memext;
  75         struct extent   *pc_ioext;
  76 };
  77
  78 /*
  79  * Functions provided to machine-independent PCI code.
  80  */
  81 #define pci_attach_hook(p, s, pba)                                      \
  82     (*(pba)->pba_pc->pc_attach_hook)((p), (s), (pba))
  83 #define pci_bus_maxdevs(c, b)                                           \
  84     (*(c)->pc_bus_maxdevs)((c), (b))
  85 #define pci_make_tag(c, b, d, f)                                        \
  86     (*(c)->pc_make_tag)((c), (b), (d), (f))
  87 #define pci_decompose_tag(c, t, bp, dp, fp)                             \
  88     (*(c)->pc_decompose_tag)((c), (t), (bp), (dp), (fp))
  89 #define pci_conf_read(c, t, r)                                          \
  90     (*(c)->pc_conf_read)((c), (t), (r))
  91 #define pci_conf_write(c, t, r, v)                                      \
  92     (*(c)->pc_conf_write)((c), (t), (r), (v))
  93 #define pci_intr_map(pa, ihp)                                           \
  94     (*(pa)->pa_pc->pc_intr_map)((pa), (ihp))
  95 #define pci_intr_string(c, ih)                                          \
  96     (*(c)->pc_intr_string)((c), (ih))
  97 #define pci_intr_establish(c, ih, l, h, a)                              \
  98     (*(c)->pc_intr_establish)((c), (ih), (l), (h), (a))
  99 #define pci_intr_disestablish(c, iv)                                    \
 100     (*(c)->pc_intr_disestablish)((c), (iv))
 101 #define pci_conf_interrupt(c, b, d, f, s, i)                            \
 102     (*(c)->pc_conf_interrupt)((c), (b), (d), (f), (s), (i))
 103 #define pci_conf_hook(c, b, d, f, i)                            \
 104     (*(c)->pc_conf_hook)((c), (b), (d), (f), (i))