sys/arch/powerpc/isa/isa_machdep_common.c

   1 /*      $NetBSD: isa_machdep_common.c,v 1.4 2009/08/19 14:44:48 dyoung Exp $    */
   2
   3 /*-
   4  * Copyright (c) 2007 The NetBSD Foundation, Inc.
   5  * All rights reserved.
   6  *
   7  * This code is derived from software contributed to The NetBSD Foundation
   8  * by Tim Rightnour
   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 #include <sys/cdefs.h>
  33 __KERNEL_RCSID(0, "$NetBSD: isa_machdep_common.c,v 1.4 2009/08/19 14:44:48 dyoung Exp $");
  34
  35 #include <sys/param.h>
  36 #include <sys/systm.h>
  37 #include <sys/syslog.h>
  38 #include <sys/device.h>
  39
  40 #include <machine/pio.h>
  41 #include <machine/intr.h>
  42
  43 #include <dev/isa/isareg.h>
  44 #include <dev/isa/isavar.h>
  45
  46 #define IO_ELCR1        0x4d0
  47 #define IO_ELCR2        0x4d1
  48
  49 const struct evcnt *
  50 genppc_isa_intr_evcnt(isa_chipset_tag_t ic, int irq)
  51 {
  52
  53         /* XXX for now, no evcnt parent reported */
  54         return NULL;
  55 }
  56
  57 /*
  58  * Set up an interrupt handler to start being called.
  59  */
  60 void *
  61 genppc_isa_intr_establish(isa_chipset_tag_t ic, int irq, int type, int level,
  62     int (*ih_fun)(void *), void *ih_arg)
  63 {
  64
  65         return (void *)intr_establish(irq, type, level, ih_fun, ih_arg);
  66 }
  67
  68 /*
  69  * Deregister an interrupt handler.
  70  */
  71 void
  72 genppc_isa_intr_disestablish(isa_chipset_tag_t ic, void *arg)
  73 {
  74
  75         intr_disestablish(arg);
  76 }
  77
  78 void
  79 genppc_isa_attach_hook(struct device *parent, struct device *self,
  80     struct isabus_attach_args *iba)
  81 {
  82
  83         /* Nothing to do. */
  84 }
  85
  86 void
  87 genppc_isa_detach_hook(isa_chipset_tag_t ic, device_t self)
  88 {
  89
  90         /* Nothing to do. */
  91 }