sys/arch/dreamcast/include/pci_machdep.h

   1 /*      $NetBSD: pci_machdep.h,v 1.3.12.3 2004/09/21 13:14:40 skrll Exp $       */
   2
   3 /*-
   4  * Copyright (c) 2001 Marcus Comstedt
   5  * 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 Marcus Comstedt.
  18  * 4. Neither the name of The NetBSD Foundation nor the names of its
  19  *    contributors may be used to endorse or promote products derived
  20  *    from this software without specific prior written permission.
  21  *
  22  * THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS
  23  * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
  24  * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
  25  * PURPOSE ARE DISCLAIMED.  IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS
  26  * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
  27  * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
  28  * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
  29  * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
  30  * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
  31  * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
  32  * POSSIBILITY OF SUCH DAMAGE.
  33  */
  34
  35 /*
  36  * Machine-specific definitions for PCI autoconfiguration.
  37  */
  38
  39 /*
  40  * Types provided to machine-independent PCI code
  41  */
  42 typedef struct dreamcast_pci_chipset *pci_chipset_tag_t;
  43 typedef u_long  pcitag_t;
  44 typedef u_long  pci_intr_handle_t;
  45
  46 /*
  47  * Forward declarations.
  48  */
  49 struct pci_attach_args;
  50
  51 /*
  52  * dreamcast-specific PCI structure and type definitions.
  53  * NOT TO BE USED DIRECTLY BY MACHINE INDEPENDENT CODE.
  54  */
  55 struct dreamcast_pci_chipset {
  56         void            *pc_conf_v;
  57         void            (*pc_attach_hook)(struct device *,
  58                             struct device *, struct pcibus_attach_args *);
  59         int             (*pc_bus_maxdevs)(void *, int);
  60         pcitag_t        (*pc_make_tag)(void *, int, int, int);
  61         void            (*pc_decompose_tag)(void *, pcitag_t, int *,
  62                             int *, int *);
  63         pcireg_t        (*pc_conf_read)(void *, pcitag_t, int);
  64         void            (*pc_conf_write)(void *, pcitag_t, int, pcireg_t);
  65
  66         void            *pc_intr_v;
  67
  68         int             (*pc_intr_map)(struct pci_attach_args *,
  69                             pci_intr_handle_t *);
  70         const char      *(*pc_intr_string)(void *, pci_intr_handle_t);
  71         void            *(*pc_intr_establish)(void *, pci_intr_handle_t,
  72                             int, int (*)(void *), void *);
  73         void            (*pc_intr_disestablish)(void *, void *);
  74 };
  75
  76 #define pci_attach_hook(p, s, pba)                                      \
  77     (*(pba)->pba_pc->pc_attach_hook)((p), (s), (pba))
  78 #define pci_bus_maxdevs(c, b)                                           \
  79     (*(c)->pc_bus_maxdevs)((c)->pc_conf_v, (b))
  80 #define pci_make_tag(c, b, d, f)                                        \
  81     (*(c)->pc_make_tag)((c)->pc_conf_v, (b), (d), (f))
  82 #define pci_decompose_tag(c, t, bp, dp, fp)                             \
  83     (*(c)->pc_decompose_tag)((c)->pc_conf_v, (t), (bp), (dp), (fp))
  84 #define pci_conf_read(c, t, r)                                          \
  85     (*(c)->pc_conf_read)((c)->pc_conf_v, (t), (r))
  86 #define pci_conf_write(c, t, r, v)                                      \
  87     (*(c)->pc_conf_write)((c)->pc_conf_v, (t), (r), (v))
  88
  89 #define pci_intr_map(pa, ihp)                                           \
  90     (*(pa)->pa_pc->pc_intr_map)((pa), (ihp))
  91 #define pci_intr_string(c, ih)                                          \
  92     (*(c)->pc_intr_string)((c)->pc_intr_v, (ih))
  93 #define pci_intr_establish(c, ih, l, h, a)                              \
  94     (*(c)->pc_intr_establish)((c)->pc_intr_v, (ih), (l), (h), (a))
  95 #define pci_intr_disestablish(c, ih)                                    \
  96     (*(c)->pc_intr_disestablish)((v)->pc_intr_v, (ih))