The Design and Implementation of the FreeBSD Operating System, Second Edition
Now available: The Design and Implementation of the FreeBSD Operating System (Second Edition)


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FreeBSD/Linux Kernel Cross Reference
sys/dev/hpc/hpciovar.h

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    1 /*      $NetBSD: hpciovar.h,v 1.4 2001/06/04 18:59:32 uch 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         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         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_ */

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