isa_device.h

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    1 /*-
    2  * Copyright (c) 1991 The Regents of the University of California.
    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  * 3. All advertising materials mentioning features or use of this software
   14  *    must display the following acknowledgement:
   15  *      This product includes software developed by the University of
   16  *      California, Berkeley and its contributors.
   17  * 4. Neither the name of the University nor the names of its contributors
   18  *    may be used to endorse or promote products derived from this software
   19  *    without specific prior written permission.
   20  *
   21  * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
   22  * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
   23  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
   24  * ARE DISCLAIMED.  IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
   25  * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
   26  * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
   27  * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
   28  * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
   29  * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
   30  * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
   31  * SUCH DAMAGE.
   32  *
   33  *      from: @(#)isa_device.h  7.1 (Berkeley) 5/9/91
   34  * $FreeBSD: releng/5.2/sys/i386/isa/isa_device.h 119773 2003-09-05 14:55:11Z peter $
   35  */
   36 
   37 #ifndef _I386_ISA_ISA_DEVICE_H_
   38 #define _I386_ISA_ISA_DEVICE_H_
   39 
   40 #ifndef BURN_BRIDGES
   41 
   42 #ifdef _KERNEL
   43 #include <sys/bus.h>
   44 #include <isa/isavar.h>
   45 #include "opt_compat_oldisa.h"
   46 #endif
   47 
   48 /*
   49  * ISA Bus Autoconfiguration
   50  */
   51 
   52 #ifdef COMPAT_OLDISA
   53 
   54 /* Interrupt handler function type. */
   55 typedef void    ointhand2_t(int _device_id);
   56 
   57 /*
   58  * Per device structure.
   59  */
   60 struct isa_device {
   61         struct  isa_driver *id_driver;
   62         int     id_iobase;      /* base i/o address */
   63         int     id_iosize;      /* base i/o length */
   64         u_int   id_irq;         /* interrupt request */
   65         int     id_drq;         /* DMA request */
   66         caddr_t id_maddr;       /* physical i/o memory address on bus (if any)*/
   67         int     id_msize;       /* size of i/o memory */
   68         union {
   69                 driver_intr_t *id_i;
   70                 ointhand2_t *id_oi;
   71         } id_iu;                /* interrupt interface routine */
   72 #define id_intr         id_iu.id_i
   73 #define id_ointr        id_iu.id_oi
   74         int     id_unit;        /* unit number */
   75         int     id_flags;       /* flags */
   76         int     id_enabled;     /* is device enabled */
   77         struct device *id_device; /* new-bus wrapper device */
   78 };
   79 
   80 /*
   81  * Per-driver structure.
   82  *
   83  * Each device driver defines entries for a set of routines
   84  * as well as an array of types which are acceptable to it.
   85  * These are used at boot time by the configuration program.
   86  */
   87 struct isa_driver {
   88         int     intrflags;
   89         int     (*probe)(struct isa_device *idp);
   90                                         /* test whether device is present */
   91         int     (*attach)(struct isa_device *idp);
   92                                         /* setup driver for a device */
   93         const char *name;               /* device name */
   94         int     sensitive_hw;           /* true if other probes confuse us */
   95 };
   96 
   97 #ifdef _KERNEL
   98 
   99 /* Wrappers */
  100 struct  module;
  101 int     compat_isa_handler(struct module *, int, void *);
  102 #define COMPAT_ISA_DRIVER(name, isadata)                                \
  103 static moduledata_t name##_mod = {                                      \
  104         #name,                                                          \
  105         compat_isa_handler,                                             \
  106         &isadata                                                        \
  107 };                                                                      \
  108 DECLARE_MODULE(name, name##_mod, SI_SUB_DRIVERS, SI_ORDER_ANY)          \
  109 
  110 #endif
  111 
  112 #endif  /* COMPAT_OLDISA */
  113 
  114 #else   /* BURN_BRIDGES */
  115 #error "cvs rm sys/i386/isa/isa_device.h"
  116 #endif  /* BURN_BRIDGES */
  117 
  118 #endif /* !_I386_ISA_ISA_DEVICE_H_ */

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FreeBSD/Linux Kernel Cross Reference sys/i386/isa/isa_device.h

FreeBSD/Linux Kernel Cross Reference
sys/i386/isa/isa_device.h