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/mca/mca_busvar.h

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    1 /*-
    2  * Copyright (c) 1999 Matthew N. Dodd <winter@jurai.net>
    3  * All rights reserved.
    4  *
    5  * Redistribution and use in source and binary forms, with or without
    6  * modification, are permitted provided that the following conditions
    7  * are met:
    8  * 1. Redistributions of source code must retain the above copyright
    9  *    notice, this list of conditions and the following disclaimer.
   10  * 2. Redistributions in binary form must reproduce the above copyright
   11  *    notice, this list of conditions and the following disclaimer in the
   12  *    documentation and/or other materials provided with the distribution.
   13  *
   14  * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
   15  * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
   16  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
   17  * ARE DISCLAIMED.  IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
   18  * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
   19  * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
   20  * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
   21  * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
   22  * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
   23  * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
   24  * SUCH DAMAGE.
   25  *
   26  * $FreeBSD: releng/5.0/sys/dev/mca/mca_busvar.h 51674 1999-09-26 07:02:05Z mdodd $
   27  */
   28 
   29 typedef u_int16_t mca_id_t;
   30 
   31 struct mca_ident {
   32         mca_id_t        id;
   33         char            *name;
   34 };
   35 
   36 const char *    mca_match_id    (u_int16_t, struct mca_ident *);
   37 
   38 /*
   39  * Simplified accessors for isa devices
   40  */
   41 
   42 enum mca_device_ivars {
   43         MCA_IVAR_SLOT,
   44         MCA_IVAR_ID,
   45         MCA_IVAR_ENABLED,
   46 };
   47 
   48 #define MCA_ACCESSOR(A, B, T)                                           \
   49                                                                         \
   50 static __inline T mca_get_ ## A(device_t dev)                           \
   51 {                                                                       \
   52         uintptr_t v;                                                    \
   53         BUS_READ_IVAR(device_get_parent(dev), dev, MCA_IVAR_ ## B, &v); \
   54         return (T) v;                                                   \
   55 }
   56 
   57 MCA_ACCESSOR(slot,      SLOT,           int)
   58 MCA_ACCESSOR(id,        ID,             mca_id_t)
   59 MCA_ACCESSOR(enabled,   ENABLED,        int)
   60 
   61 /* don't use these! */
   62 void            mca_pos_set     (device_t, u_int8_t, u_int8_t);
   63 u_int8_t        mca_pos_get     (device_t, u_int8_t);
   64 
   65 u_int8_t        mca_pos_read    (device_t, u_int8_t);
   66 
   67 void            mca_add_irq     (device_t, int);
   68 void            mca_add_drq     (device_t, int);
   69 void            mca_add_iospace (device_t, u_long, u_long);
   70 void            mca_add_mspace  (device_t, u_long, u_long);

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