sys/dev/ic/upcvar.h

   1 /* $NetBSD: upcvar.h,v 1.4 2005/12/11 12:21:29 christos Exp $ */
   2 /*-
   3  * Copyright (c) 2000, 2003 Ben Harris
   4  * All rights reserved.
   5  *
   6  * Redistribution and use in source and binary forms, with or without
   7  * modification, are permitted provided that the following conditions
   8  * are met:
   9  * 1. Redistributions of source code must retain the above copyright
  10  *    notice, this list of conditions and the following disclaimer.
  11  * 2. Redistributions in binary form must reproduce the above copyright
  12  *    notice, this list of conditions and the following disclaimer in the
  13  *    documentation and/or other materials provided with the distribution.
  14  * 3. The name of the author may not be used to endorse or promote products
  15  *    derived from this software without specific prior written permission.
  16  *
  17  * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
  18  * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
  19  * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
  20  * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
  21  * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
  22  * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
  23  * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
  24  * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
  25  * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
  26  * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
  27  */
  28
  29 #ifndef __UPCVAR_H
  30 #define __UPCVAR_H
  31
  32 #include <sys/bus.h>
  33
  34 struct upc_irqhandle {
  35         int     (*uih_func)(void *);
  36         void    *uih_arg;
  37         int     uih_level;
  38 };
  39
  40 struct upc_softc {
  41         struct device           sc_dev;
  42         /* These fields are filled in by the bus attachment. */
  43         bus_space_tag_t         sc_iot;
  44         bus_space_handle_t      sc_ioh;
  45         /*
  46          * These fields are filled in by upc_attach().  The bus attachment
  47          * for upc is expected to establish them according to the way the
  48          * chip is wired.
  49          */
  50         struct upc_irqhandle    sc_irq3;
  51         struct upc_irqhandle    sc_irq4;
  52         struct upc_irqhandle    sc_pintr;
  53         struct upc_irqhandle    sc_fintr;
  54         struct upc_irqhandle    sc_wintr;
  55 };
  56
  57 extern void upc_attach(struct upc_softc *);
  58 extern int upc1_read_config(struct upc_softc *, int);
  59 extern void upc1_write_config(struct upc_softc *, int, int);
  60 extern int upc2_read_config(struct upc_softc *, int);
  61 extern void upc2_write_config(struct upc_softc *, int, int);
  62
  63 /* This is the structure passed to children of upc. */
  64 struct upc_attach_args {
  65         char const              *ua_devtype;
  66         int                     ua_offset;
  67         bus_space_tag_t         ua_iot;
  68         bus_space_handle_t      ua_ioh;
  69         bus_space_handle_t      ua_ioh2; /* for wdc */
  70         struct upc_irqhandle    *ua_irqhandle;
  71 };
  72
  73 extern void upc_intr_establish(struct upc_irqhandle *, int, int (*)(void *),
  74                                void *arg);
  75
  76 #endif