sys/arch/arm/include/pci_machdep.h

   1 /*      $NetBSD: pci_machdep.h,v 1.10 2014/03/29 19:28:26 christos Exp $        */
   2
   3 /*
   4  * Modified for arm32 by Mark Brinicombe
   5  *
   6  * from: sys/arch/alpha/pci/pci_machdep.h
   7  *
   8  * Copyright (c) 1996 Carnegie-Mellon University.
   9  * All rights reserved.
  10  *
  11  * Author: Chris G. Demetriou
  12  *
  13  * Permission to use, copy, modify and distribute this software and
  14  * its documentation is hereby granted, provided that both the copyright
  15  * notice and this permission notice appear in all copies of the
  16  * software, derivative works or modified versions, and any portions
  17  * thereof, and that both notices appear in supporting documentation.
  18  *
  19  * CARNEGIE MELLON ALLOWS FREE USE OF THIS SOFTWARE IN ITS "AS IS"
  20  * CONDITION.  CARNEGIE MELLON DISCLAIMS ANY LIABILITY OF ANY KIND
  21  * FOR ANY DAMAGES WHATSOEVER RESULTING FROM THE USE OF THIS SOFTWARE.
  22  *
  23  * Carnegie Mellon requests users of this software to return to
  24  *
  25  *  Software Distribution Coordinator  or  Software.Distribution@CS.CMU.EDU
  26  *  School of Computer Science
  27  *  Carnegie Mellon University
  28  *  Pittsburgh PA 15213-3890
  29  *
  30  * any improvements or extensions that they make and grant Carnegie the
  31  * rights to redistribute these changes.
  32  */
  33
  34 #ifndef _ARM_PCI_MACHDEP_H_
  35 #define _ARM_PCI_MACHDEP_H_
  36 /*
  37  * Machine-specific definitions for PCI autoconfiguration.
  38  */
  39
  40 /*
  41  * Types provided to machine-independent PCI code
  42  */
  43 typedef struct  arm32_pci_chipset       *pci_chipset_tag_t;
  44 typedef u_long  pcitag_t;
  45 typedef u_long  pci_intr_handle_t;
  46
  47 /*
  48  * Forward declarations.
  49  */
  50 struct pci_attach_args;
  51
  52 /*
  53  * arm32-specific PCI structure and type definitions.
  54  * NOT TO BE USED DIRECTLY BY MACHINE INDEPENDENT CODE.
  55  */
  56 struct arm32_pci_chipset {
  57         void            *pc_conf_v;
  58         void            (*pc_attach_hook)(device_t, device_t,
  59                             struct pcibus_attach_args *);
  60         int             (*pc_bus_maxdevs)(void *, int);
  61         pcitag_t        (*pc_make_tag)(void *, int, int, int);
  62         void            (*pc_decompose_tag)(void *, pcitag_t, int *,
  63                             int *, int *);
  64         pcireg_t        (*pc_conf_read)(void *, pcitag_t, int);
  65         void            (*pc_conf_write)(void *, pcitag_t, int, pcireg_t);
  66
  67         void            *pc_intr_v;
  68         int             (*pc_intr_map)(const struct pci_attach_args *,
  69                             pci_intr_handle_t *);
  70         const char      *(*pc_intr_string)(void *, pci_intr_handle_t,
  71                             char *, size_t);
  72         const struct evcnt *(*pc_intr_evcnt)(void *, pci_intr_handle_t);
  73         void            *(*pc_intr_establish)(void *, pci_intr_handle_t,
  74                             int, int (*)(void *), void *);
  75         void            (*pc_intr_disestablish)(void *, void *);
  76
  77 #ifdef __HAVE_PCI_CONF_HOOK
  78         int             (*pc_conf_hook)(void *, int, int, int, pcireg_t);
  79 #endif
  80         void            (*pc_conf_interrupt)(void *, int, int, int, int, int *);
  81
  82         uint32_t        pc_cfg_cmd;
  83 };
  84
  85 /*
  86  * Functions provided to machine-independent PCI code.
  87  */
  88 #define pci_attach_hook(p, s, pba)                                      \
  89     (*(pba)->pba_pc->pc_attach_hook)((p), (s), (pba))
  90 #define pci_bus_maxdevs(c, b)                                           \
  91     (*(c)->pc_bus_maxdevs)((c)->pc_conf_v, (b))
  92 #define pci_make_tag(c, b, d, f)                                        \
  93     (*(c)->pc_make_tag)((c)->pc_conf_v, (b), (d), (f))
  94 #define pci_decompose_tag(c, t, bp, dp, fp)                             \
  95     (*(c)->pc_decompose_tag)((c)->pc_conf_v, (t), (bp), (dp), (fp))
  96 #define pci_conf_read(c, t, r)                                          \
  97     (*(c)->pc_conf_read)((c)->pc_conf_v, (t), (r))
  98 #define pci_conf_write(c, t, r, v)                                      \
  99     (*(c)->pc_conf_write)((c)->pc_conf_v, (t), (r), (v))
 100 #define pci_intr_map(pa, ihp)                                           \
 101     (*(pa)->pa_pc->pc_intr_map)((pa), (ihp))
 102 #define pci_intr_string(c, ih, buf, len)                                \
 103     (*(c)->pc_intr_string)((c)->pc_intr_v, (ih), (buf), (len))
 104 #define pci_intr_evcnt(c, ih)                                           \
 105     (*(c)->pc_intr_evcnt)((c)->pc_intr_v, (ih))
 106 #define pci_intr_establish(c, ih, l, h, a)                              \
 107     (*(c)->pc_intr_establish)((c)->pc_intr_v, (ih), (l), (h), (a))
 108 #define pci_intr_disestablish(c, iv)                                    \
 109     (*(c)->pc_intr_disestablish)((c)->pc_intr_v, (iv))
 110 #ifdef __HAVE_PCI_CONF_HOOK
 111 #define pci_conf_hook(c, b, d, f, id)                                   \
 112     (*(c)->pc_conf_hook)((c)->pc_conf_v, (b), (d), (f), (id))
 113 #endif
 114 #define pci_conf_interrupt(c, b, d, i, s, p)                            \
 115     (*(c)->pc_conf_interrupt)((c)->pc_conf_v, (b), (d), (i), (s), (p))
 116
 117 #endif  /* _ARM_PCI_MACHDEP_H_ */