sys/arch/mips/include/pci_machdep.h

   1 /* $NetBSD: pci_machdep.h,v 1.5 2009/08/09 04:02:00 matt Exp $ */
   2
   3 /*
   4  * Copyright (c) 1996 Carnegie-Mellon University.
   5  * All rights reserved.
   6  *
   7  * Author: Chris G. Demetriou
   8  *
   9  * Permission to use, copy, modify and distribute this software and
  10  * its documentation is hereby granted, provided that both the copyright
  11  * notice and this permission notice appear in all copies of the
  12  * software, derivative works or modified versions, and any portions
  13  * thereof, and that both notices appear in supporting documentation.
  14  *
  15  * CARNEGIE MELLON ALLOWS FREE USE OF THIS SOFTWARE IN ITS "AS IS"
  16  * CONDITION.  CARNEGIE MELLON DISCLAIMS ANY LIABILITY OF ANY KIND
  17  * FOR ANY DAMAGES WHATSOEVER RESULTING FROM THE USE OF THIS SOFTWARE.
  18  *
  19  * Carnegie Mellon requests users of this software to return to
  20  *
  21  *  Software Distribution Coordinator  or  Software.Distribution@CS.CMU.EDU
  22  *  School of Computer Science
  23  *  Carnegie Mellon University
  24  *  Pittsburgh PA 15213-3890
  25  *
  26  * any improvements or extensions that they make and grant Carnegie the
  27  * rights to redistribute these changes.
  28  */
  29
  30 #ifndef _MIPS_INCLUDE_PCI_MACHDEP_H_
  31 #define _MIPS_INCLUDE_PCI_MACHDEP_H_
  32
  33 /*
  34  * __HAVE_PCIIDE_MACHDEP_COMPAT_INTR_ESTABLISH (if used) needs to be
  35  * defined before this file is included
  36  */
  37
  38 /*
  39  * Types provided to machine-independent PCI code
  40  */
  41 typedef struct mips_pci_chipset *pci_chipset_tag_t;
  42 typedef u_long pcitag_t;
  43 typedef u_long pci_intr_handle_t;
  44
  45 /*
  46  * Forward declarations.
  47  */
  48 struct pci_attach_args;
  49
  50 /*
  51  * mips-specific PCI structure and type definitions.
  52  * NOT TO BE USED DIRECTLY BY MACHINE INDEPENDENT CODE.
  53  */
  54 struct mips_pci_chipset {
  55         void            *pc_conf_v;
  56         void            (*pc_attach_hook)(device_t, device_t,
  57                             struct pcibus_attach_args *);
  58         int             (*pc_bus_maxdevs)(void *, int);
  59         pcitag_t        (*pc_make_tag)(void *, int, int, int);
  60         void            (*pc_decompose_tag)(void *, pcitag_t, int *,
  61                             int *, int *);
  62         pcireg_t        (*pc_conf_read)(void *, pcitag_t, int);
  63         void            (*pc_conf_write)(void *, pcitag_t, int, pcireg_t);
  64
  65         void            *pc_intr_v;
  66         int             (*pc_intr_map)(struct pci_attach_args *,
  67                             pci_intr_handle_t *);
  68         const char      *(*pc_intr_string)(void *, pci_intr_handle_t);
  69         const struct evcnt *(*pc_intr_evcnt)(void *, pci_intr_handle_t);
  70         void            *(*pc_intr_establish)(void *, pci_intr_handle_t,
  71                             int, int (*)(void *), void *);
  72         void            (*pc_intr_disestablish)(void *, void *);
  73
  74         void            (*pc_conf_interrupt)(void *, int, int, int,
  75                             int, int *);
  76
  77 #ifdef __HAVE_PCIIDE_MACHDEP_COMPAT_INTR_ESTABLISH
  78         void            *(*pc_pciide_compat_intr_establish)(void *,
  79                             device_t, struct pci_attach_args *, int,
  80                             int (*)(void *), void *);
  81 #endif
  82 };
  83
  84 /*
  85  * Functions provided to machine-independent PCI code.
  86  */
  87 #define pci_attach_hook(p, s, pba)                                      \
  88     (*(pba)->pba_pc->pc_attach_hook)((p), (s), (pba))
  89 #define pci_bus_maxdevs(c, b)                                           \
  90     (*(c)->pc_bus_maxdevs)((c)->pc_conf_v, (b))
  91 #define pci_make_tag(c, b, d, f)                                        \
  92     (*(c)->pc_make_tag)((c)->pc_conf_v, (b), (d), (f))
  93 #define pci_decompose_tag(c, t, bp, dp, fp)                             \
  94     (*(c)->pc_decompose_tag)((c)->pc_conf_v, (t), (bp), (dp), (fp))
  95 #define pci_conf_read(c, t, r)                                          \
  96     (*(c)->pc_conf_read)((c)->pc_conf_v, (t), (r))
  97 #define pci_conf_write(c, t, r, v)                                      \
  98     (*(c)->pc_conf_write)((c)->pc_conf_v, (t), (r), (v))
  99 #define pci_intr_map(pa, ihp)                                           \
 100     (*(pa)->pa_pc->pc_intr_map)((pa), (ihp))
 101 #define pci_intr_string(c, ih)                                          \
 102     (*(c)->pc_intr_string)((c)->pc_intr_v, (ih))
 103 #define pci_intr_evcnt(c, ih)                                           \
 104     (*(c)->pc_intr_evcnt)((c)->pc_intr_v, (ih))
 105 #define pci_intr_establish(c, ih, l, h, a)                              \
 106     (*(c)->pc_intr_establish)((c)->pc_intr_v, (ih), (l), (h), (a))
 107 #define pci_intr_disestablish(c, iv)                                    \
 108     (*(c)->pc_intr_disestablish)((c)->pc_intr_v, (iv))
 109 #define pci_conf_interrupt(c, b, d, p, s, lp)                           \
 110     (*(c)->pc_conf_interrupt)((c)->pc_intr_v, (b), (d), (p), (s), (lp))
 111
 112 /*
 113  * mips-specific PCI functions.
 114  * NOT TO BE USED DIRECTLY BY MACHINE INDEPENDENT CODE.
 115  */
 116 #ifdef __HAVE_PCIIDE_MACHDEP_COMPAT_INTR_ESTABLISH
 117 #define mips_pciide_compat_intr_establish(c, d, p, ch, f, a)            \
 118     ((c)->pc_pciide_compat_intr_establish == NULL ? NULL :              \
 119      (*(c)->pc_pciide_compat_intr_establish)((c)->pc_conf_v, (d), (p),  \
 120         (ch), (f), (a)))
 121 #endif
 122
 123 #endif  /* _MIPS_INCLUDE_PCI_MACHDEP_H_ */