sys/arch/hp300/dev/diovar.h

   1 /*      $NetBSD: diovar.h,v 1.12 2005/12/11 12:17:13 christos Exp $     */
   2
   3 /*-
   4  * Copyright (c) 1996, 1997, 1998 The NetBSD Foundation, Inc.
   5  * All rights reserved.
   6  *
   7  * This code is derived from software contributed to The NetBSD Foundation
   8  * by Jason R. Thorpe.
   9  *
  10  * Redistribution and use in source and binary forms, with or without
  11  * modification, are permitted provided that the following conditions
  12  * are met:
  13  * 1. Redistributions of source code must retain the above copyright
  14  *    notice, this list of conditions and the following disclaimer.
  15  * 2. Redistributions in binary form must reproduce the above copyright
  16  *    notice, this list of conditions and the following disclaimer in the
  17  *    documentation and/or other materials provided with the distribution.
  18  *
  19  * THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS
  20  * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
  21  * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
  22  * PURPOSE ARE DISCLAIMED.  IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS
  23  * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
  24  * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
  25  * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
  26  * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
  27  * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
  28  * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
  29  * POSSIBILITY OF SUCH DAMAGE.
  30  */
  31
  32 /*
  33  * Autoconfiguration definitions and prototypes for the DIO bus.
  34  */
  35
  36 #include <machine/bus.h>
  37
  38 /*
  39  * Arguments used to attach a device to the DIO bus.
  40  */
  41 struct dio_attach_args {
  42         bus_space_tag_t da_bst;         /* bus space tag */
  43         int     da_scode;               /* select code */
  44         int     da_addr;                /* device address */
  45         int     da_size;                /* size of address space */
  46         int     da_ipl;                 /* interrupt priority level */
  47         uint8_t da_id;                  /* primary device id */
  48         uint8_t da_secid;               /* secondary device id */
  49 };
  50
  51 /*
  52  * This structure is used by the autoconfiguration code to lookup
  53  * the size of a DIO device (not all use one select code).
  54  */
  55 struct dio_devdata {
  56         uint8_t dd_id;                  /* primary device id */
  57         uint8_t dd_secid;               /* secondary device id */
  58         int     dd_nscode;              /* number of select codes */
  59 };
  60
  61 /*
  62  * This structure is used by the autoconfiguration code to print
  63  * a textual description of a device.
  64  */
  65 struct dio_devdesc {
  66         uint8_t dd_id;                  /* primary device id */
  67         uint8_t dd_secid;               /* secondary device id */
  68         const char *dd_desc;            /* description */
  69 };
  70
  71 #ifdef _KERNEL
  72 void    *dio_scodetopa(int);
  73 void    *dio_intr_establish(int (*)(void *), void *, int, int);
  74 void    dio_intr_disestablish(void *);
  75 void    dio_set_bus_space_oddbyte(bus_space_tag_t);
  76 #endif /* _KERNEL */