sys/arch/sgimips/include/pci_machdep.h

   1 /*      $NetBSD: pci_machdep.h,v 1.8 2006/04/17 14:01:08 tsutsui Exp $  */
   2
   3 /*
   4  * Copyright (c) 1996 Christopher G. Demetriou.  All rights reserved.
   5  * Copyright (c) 1994 Charles M. Hannum.  All rights reserved.
   6  *
   7  * Redistribution and use in source and binary forms, with or without
   8  * modification, are permitted provided that the following conditions
   9  * are met:
  10  * 1. Redistributions of source code must retain the above copyright
  11  *    notice, this list of conditions and the following disclaimer.
  12  * 2. Redistributions in binary form must reproduce the above copyright
  13  *    notice, this list of conditions and the following disclaimer in the
  14  *    documentation and/or other materials provided with the distribution.
  15  * 3. All advertising materials mentioning features or use of this software
  16  *    must display the following acknowledgement:
  17  *      This product includes software developed by Charles M. Hannum.
  18  * 4. The name of the author may not be used to endorse or promote products
  19  *    derived from this software without specific prior written permission.
  20  *
  21  * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
  22  * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
  23  * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
  24  * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
  25  * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
  26  * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
  27  * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
  28  * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
  29  * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
  30  * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
  31  */
  32
  33 /*
  34  * Machine-specific definitions for PCI autoconfiguration.
  35  */
  36
  37 #define __HAVE_PCI_CONF_HOOK
  38
  39 /*
  40  * Forward declarations.
  41  */
  42 struct pci_attach_args;
  43
  44 /*
  45  * Types provided to machine-independent PCI code
  46  */
  47
  48 typedef struct sgimips_pci_chipset *pci_chipset_tag_t;
  49 typedef u_int32_t       pcitag_t;
  50 typedef int             pci_intr_handle_t;
  51
  52 /*
  53  * SGI-specific PCI structure and type definitions.
  54  * NOT TO BE USED DIRECTLY BY MACHINE INDEPENDENT CODE.
  55  */
  56 struct sgimips_pci_chipset {
  57         int             (*pc_bus_maxdevs)(pci_chipset_tag_t, 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_conf_hook)(pci_chipset_tag_t, int, int, int,
  62                                 pcireg_t);
  63         int             (*pc_intr_map)(struct pci_attach_args *,
  64                                 pci_intr_handle_t *);
  65         const char *    (*pc_intr_string)(pci_chipset_tag_t pc,
  66                                 pci_intr_handle_t);
  67         void            *(*intr_establish)(int , int, int (*)(void *), void *);
  68         void            (*intr_disestablish)(void *ih);
  69
  70         bus_space_tag_t iot;
  71         bus_space_handle_t ioh;
  72
  73         void *cookie;
  74
  75         struct extent *pc_memext;       /* PCI memory space extent */
  76         struct extent *pc_ioext;        /* PCI I/O space extent */
  77 };
  78
  79 extern struct sgimips_bus_dma_tag pci_bus_dma_tag;
  80
  81 /*
  82  * Functions provided to machine-independent PCI code.
  83  */
  84 void            pci_attach_hook(struct device *, struct device *,
  85                         struct pcibus_attach_args *);
  86 int             pci_bus_maxdevs(pci_chipset_tag_t, int);
  87 pcitag_t        pci_make_tag(pci_chipset_tag_t, int, int, int);
  88 void            pci_decompose_tag(pci_chipset_tag_t, pcitag_t,
  89                         int *, int *, int *);
  90 pcireg_t        pci_conf_read(pci_chipset_tag_t, pcitag_t, int);
  91 void            pci_conf_write(pci_chipset_tag_t, pcitag_t, int,
  92                         pcireg_t);
  93 int             pci_conf_hook(pci_chipset_tag_t, int, int, int, pcireg_t);
  94 int             pci_intr_map(struct pci_attach_args *, pci_intr_handle_t *);
  95 const char      *pci_intr_string(pci_chipset_tag_t, pci_intr_handle_t);
  96 const struct evcnt *pci_intr_evcnt(pci_chipset_tag_t, pci_intr_handle_t);
  97 void            *pci_intr_establish(pci_chipset_tag_t, pci_intr_handle_t,
  98                         int, int (*)(void *), void *);
  99 void            pci_intr_disestablish(pci_chipset_tag_t, void *);
 100
 101 void            pci_conf_interrupt(pci_chipset_tag_t, int, int, int, int,
 102                         int *);