sys/arch/alpha/include/pci_machdep.h

   1 /* $NetBSD: pci_machdep.h,v 1.10.10.3 2004/09/21 13:11:48 skrll 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 /*
  31  * Machine-specific definitions for PCI autoconfiguration.
  32  */
  33 #define __HAVE_PCIIDE_MACHDEP_COMPAT_INTR_ESTABLISH
  34
  35 /*
  36  * Types provided to machine-independent PCI code
  37  */
  38 typedef struct alpha_pci_chipset *pci_chipset_tag_t;
  39 typedef u_long pcitag_t;
  40 typedef u_long pci_intr_handle_t;
  41
  42 /*
  43  * Forward declarations.
  44  */
  45 struct pci_attach_args;
  46
  47 /*
  48  * alpha-specific PCI structure and type definitions.
  49  * NOT TO BE USED DIRECTLY BY MACHINE INDEPENDENT CODE.
  50  */
  51 struct alpha_pci_chipset {
  52         void            *pc_conf_v;
  53         void            (*pc_attach_hook)(struct device *,
  54                             struct device *, struct pcibus_attach_args *);
  55         int             (*pc_bus_maxdevs)(void *, int);
  56         pcitag_t        (*pc_make_tag)(void *, int, int, int);
  57         void            (*pc_decompose_tag)(void *, pcitag_t, int *,
  58                             int *, int *);
  59         pcireg_t        (*pc_conf_read)(void *, pcitag_t, int);
  60         void            (*pc_conf_write)(void *, pcitag_t, int, pcireg_t);
  61
  62         void            *pc_intr_v;
  63         int             (*pc_intr_map)(struct pci_attach_args *,
  64                             pci_intr_handle_t *);
  65         const char      *(*pc_intr_string)(void *, pci_intr_handle_t);
  66         const struct evcnt *(*pc_intr_evcnt)(void *, pci_intr_handle_t);
  67         void            *(*pc_intr_establish)(void *, pci_intr_handle_t,
  68                             int, int (*)(void *), void *);
  69         void            (*pc_intr_disestablish)(void *, void *);
  70
  71         void            *(*pc_pciide_compat_intr_establish)(void *,
  72                             struct device *, struct pci_attach_args *, int,
  73                             int (*)(void *), void *);
  74 };
  75
  76 /*
  77  * Functions provided to machine-independent PCI code.
  78  */
  79 #define pci_attach_hook(p, s, pba)                                      \
  80     (*(pba)->pba_pc->pc_attach_hook)((p), (s), (pba))
  81 #define pci_bus_maxdevs(c, b)                                           \
  82     (*(c)->pc_bus_maxdevs)((c)->pc_conf_v, (b))
  83 #define pci_make_tag(c, b, d, f)                                        \
  84     (*(c)->pc_make_tag)((c)->pc_conf_v, (b), (d), (f))
  85 #define pci_decompose_tag(c, t, bp, dp, fp)                             \
  86     (*(c)->pc_decompose_tag)((c)->pc_conf_v, (t), (bp), (dp), (fp))
  87 #define pci_conf_read(c, t, r)                                          \
  88     (*(c)->pc_conf_read)((c)->pc_conf_v, (t), (r))
  89 #define pci_conf_write(c, t, r, v)                                      \
  90     (*(c)->pc_conf_write)((c)->pc_conf_v, (t), (r), (v))
  91 #define pci_intr_map(pa, ihp)                                           \
  92     (*(pa)->pa_pc->pc_intr_map)((pa), (ihp))
  93 #define pci_intr_string(c, ih)                                          \
  94     (*(c)->pc_intr_string)((c)->pc_intr_v, (ih))
  95 #define pci_intr_evcnt(c, ih)                                           \
  96     (*(c)->pc_intr_evcnt)((c)->pc_intr_v, (ih))
  97 #define pci_intr_establish(c, ih, l, h, a)                              \
  98     (*(c)->pc_intr_establish)((c)->pc_intr_v, (ih), (l), (h), (a))
  99 #define pci_intr_disestablish(c, iv)                                    \
 100     (*(c)->pc_intr_disestablish)((c)->pc_intr_v, (iv))
 101
 102 /*
 103  * alpha-specific PCI functions.
 104  * NOT TO BE USED DIRECTLY BY MACHINE INDEPENDENT CODE.
 105  */
 106 void    pci_display_console(bus_space_tag_t, bus_space_tag_t,
 107             pci_chipset_tag_t, int, int, int);
 108 #define alpha_pciide_compat_intr_establish(c, d, p, ch, f, a)           \
 109     ((c)->pc_pciide_compat_intr_establish == NULL ? NULL :              \
 110      (*(c)->pc_pciide_compat_intr_establish)((c)->pc_conf_v, (d), (p),  \
 111         (ch), (f), (a)))