sys/dev/hpc/hpciovar.h

   1 /*      $NetBSD: hpciovar.h,v 1.4.24.1 2005/11/10 14:04:00 skrll Exp $  */
   2
   3 /*-
   4  * Copyright (c) 2001 TAKEMURA Shin.
   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. Neither the name of the project nor the names of its contributors
  16  *    may be used to endorse or promote products derived from this software
  17  *    without specific prior written permission.
  18  *
  19  * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
  20  * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
  21  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
  22  * ARE DISCLAIMED.  IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
  23  * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
  24  * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
  25  * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
  26  * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
  27  * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
  28  * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
  29  * SUCH DAMAGE.
  30  *
  31  */
  32
  33 #ifndef _DEV_HPC_HPCIOVAR_H_
  34 #define _DEV_HPC_HPCIOVAR_H_
  35
  36 struct hpcio_chip;
  37 typedef struct hpcio_chip *hpcio_chip_t;
  38 typedef void *hpcio_intr_handle_t;
  39 struct hpcio_chip {
  40         int hc_chipid;
  41         const char *hc_name;
  42         void *hc_sc;
  43         int (*hc_portread)(hpcio_chip_t, int);
  44         void (*hc_portwrite)(hpcio_chip_t, int, int);
  45         hpcio_intr_handle_t(*hc_intr_establish)(hpcio_chip_t, int, int,
  46             int (*)(void *), void *);
  47         void (*hc_intr_disestablish)(hpcio_chip_t, hpcio_intr_handle_t);
  48         void (*hc_intr_clear)(hpcio_chip_t, hpcio_intr_handle_t);
  49         void (*hc_register_iochip)(hpcio_chip_t, hpcio_chip_t);
  50         void (*hc_update)(hpcio_chip_t);
  51         void (*hc_dump)(hpcio_chip_t);
  52 };
  53
  54 struct hpcio_attach_args {
  55         const char *haa_busname;
  56         void *haa_sc;
  57         hpcio_chip_t (*haa_getchip)(void*, int);
  58         bus_space_tag_t haa_iot;        /* I/O space tag */
  59 };
  60 #define HPCIO_BUSNAME   "hpcioif"
  61
  62 #define hpcio_portread(hc, port)                                        \
  63                 ((*(hc)->hc_portread)((hc), (port)))
  64 #define hpcio_portwrite(hc, port, data)                                 \
  65                 ((*(hc)->hc_portwrite)((hc), (port), (data)))
  66 #define hpcio_intr_establish(hc, port, mode, func, arg)                 \
  67                 ((*(hc)->hc_intr_establish)((hc),(port),(mode),(func),(arg)))
  68 #define hpcio_intr_disestablish(hc, handle)                             \
  69                 ((*(hc)->hc_intr_disestablish)((hc), (handle)))
  70 #define hpcio_intr_clear(hc, handle)                                    \
  71                 ((*(hc)->hc_intr_clear)((hc), (handle)))
  72 #define hpcio_register_iochip(hc, iochip)                               \
  73                 ((*(hc)->hc_register_iochip)((hc), (iochip)))
  74 #define hpcio_update(hc)                                                \
  75                 ((*(hc)->hc_update)(hc))
  76 #define hpcio_dump(hc)                                                  \
  77                 ((*(hc)->hc_dump)(hc))
  78
  79 /* interrupt trigger options. */
  80 #define HPCIO_INTR_EDGE         (1<<0)
  81 #define HPCIO_INTR_LEVEL        (0<<0)
  82 #define HPCIO_INTR_HOLD         (1<<1)
  83 #define HPCIO_INTR_THROUGH      (0<<1)
  84 #define HPCIO_INTR_HIGH         (1<<2)
  85 #define HPCIO_INTR_LOW          (0<<2)
  86 #define HPCIO_INTR_POSEDGE      (1<<3)
  87 #define HPCIO_INTR_NEGEDGE      (1<<4)
  88
  89 #define HPCIO_INTR_LEVEL_HIGH_HOLD                                      \
  90                 (HPCIO_INTR_LEVEL|HPCIO_INTR_HIGH|HPCIO_INTR_HOLD)
  91 #define HPCIO_INTR_LEVEL_HIGH_THROUGH                                   \
  92                 (HPCIO_INTR_LEVEL|HPCIO_INTR_HIGH|HPCIO_INTR_THROUGH)
  93 #define HPCIO_INTR_LEVEL_LOW_HOLD                                       \
  94                 (HPCIO_INTR_LEVEL|HPCIO_INTR_LOW|HPCIO_INTR_HOLD)
  95 #define HPCIO_INTR_LEVEL_LOW_THROUGH                                    \
  96                 (HPCIO_INTR_LEVEL|HPCIO_INTR_LOW|HPCIO_INTR_THROUGH)
  97 #define HPCIO_INTR_EDGE_HOLD                                            \
  98                 (HPCIO_INTR_EDGE|HPCIO_INTR_HOLD)
  99 #define HPCIO_INTR_EDGE_THROUGH                                         \
 100                 (HPCIO_INTR_EDGE|HPCIO_INTR_THROUGH)
 101
 102 #endif /* !_DEV_HPC_HPCIOVAR_H_ */