sys/arch/evbarm/ixm1200/ixm1200_pci.c

   1 /*      $NetBSD: ixm1200_pci.c,v 1.6 2009/03/16 23:11:11 dsl Exp $ */
   2 #define PCI_DEBUG
   3 /*
   4  * Copyright (c) 2002, 2003
   5  *      Ichiro FUKUHARA <ichiro@ichiro.org>.
   6  * All rights reserved.
   7  *
   8  * Redistribution and use in source and binary forms, with or without
   9  * modification, are permitted provided that the following conditions
  10  * are met:
  11  * 1. Redistributions of source code must retain the above copyright
  12  *    notice, this list of conditions and the following disclaimer.
  13  * 2. Redistributions in binary form must reproduce the above copyright
  14  *    notice, this list of conditions and the following disclaimer in the
  15  *    documentation and/or other materials provided with the distribution.
  16  *
  17  * THIS SOFTWARE IS PROVIDED BY ICHIRO FUKUHARA ``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 ICHIRO FUKUHARA OR THE VOICES IN HIS HEAD BE LIABLE FOR
  21  * ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
  22  * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
  23  * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
  24  * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
  25  * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
  26  * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
  27  * SUCH DAMAGE.
  28  */
  29
  30 #include <sys/cdefs.h>
  31 __KERNEL_RCSID(0, "$NetBSD: ixm1200_pci.c,v 1.6 2009/03/16 23:11:11 dsl Exp $");
  32
  33 /*
  34  * IXM1200 PCI interrupt support.
  35  */
  36
  37 #include <sys/param.h>
  38 #include <sys/systm.h>
  39 #include <sys/device.h>
  40
  41 #include <machine/autoconf.h>
  42 #include <machine/bus.h>
  43
  44 #include <evbarm/ixm1200/ixm1200reg.h>
  45 #include <evbarm/ixm1200/ixm1200var.h>
  46
  47 #include <arm/ixp12x0/ixp12x0reg.h>
  48 #include <arm/ixp12x0/ixp12x0var.h>
  49
  50 #include <arm/ixp12x0/ixp12x0_pcireg.h>
  51
  52 #include <dev/pci/pcidevs.h>
  53 #include <dev/pci/ppbreg.h>
  54
  55 int ixm1200_pci_intr_map(struct pci_attach_args *, pci_intr_handle_t *);
  56 const char *ixm1200_pci_intr_string(void *, pci_intr_handle_t);
  57 const struct evcnt *ixm1200_pci_intr_evcnt(void *, pci_intr_handle_t);
  58 void *ixm1200_pci_intr_establish(void *, pci_intr_handle_t, int,
  59         int (*func)(void *), void *);
  60 void ixm1200_pci_intr_disestablish(void *, void *);
  61
  62 void
  63 ixm1200_pci_init(pci_chipset_tag_t pc, void *cookie)
  64 {
  65         pc->pc_intr_v = cookie;
  66         pc->pc_intr_map = ixm1200_pci_intr_map;
  67         pc->pc_intr_string = ixm1200_pci_intr_string;
  68         pc->pc_intr_evcnt = ixm1200_pci_intr_evcnt;
  69         pc->pc_intr_establish = ixm1200_pci_intr_establish;
  70         pc->pc_intr_disestablish = ixm1200_pci_intr_disestablish;
  71 }
  72
  73 int
  74 ixm1200_pci_intr_map(struct pci_attach_args *pa, pci_intr_handle_t *ihp)
  75 {
  76 #ifdef PCI_DEBUG
  77         void *v = pa->pa_pc;
  78         int pin = pa->pa_intrpin;
  79         int line = pa->pa_intrline;
  80         int dev=pa->pa_device;
  81         pcitag_t intrtag = pa->pa_intrtag;
  82
  83         printf("ixm1200_pci_intr_map: v=%p, tag=%08lx intrpin=%d line=%d dev=%d\n",
  84                 v, intrtag, pin, line, dev);
  85 #endif
  86
  87         /* ixp12x0 has only one interrupt line for PCI */
  88         *ihp = IXPPCI_INTR_PIL;
  89         return (0);
  90 }
  91
  92 const char *
  93 ixm1200_pci_intr_string(void *v, pci_intr_handle_t ih)
  94 {
  95         static char irqstr[IRQNAMESIZE];
  96
  97         sprintf(irqstr, "IXM1200 irq %ld", ih);
  98         return (irqstr);
  99 }
 100
 101 const struct evcnt *
 102 ixm1200_pci_intr_evcnt(void *v, pci_intr_handle_t ih)
 103 {
 104         return (NULL);
 105 }
 106
 107 void *
 108 ixm1200_pci_intr_establish(void *v, pci_intr_handle_t ih, int ipl, int (*func)(void *), void *arg)
 109 {
 110 #ifdef PCI_DEBUG
 111         printf("ixm1200_pci_intr_establish(v=%p, irq=%d, ipl=%d, func=%p, arg=%p)\n",
 112                 v, (int) ih, ipl, func, arg);
 113 #endif
 114
 115         return (ixp12x0_intr_establish(ih, ipl, func, arg));
 116 }
 117
 118 void
 119 ixm1200_pci_intr_disestablish(void *v, void *cookie)
 120 {
 121 #ifdef PCI_DEBUG
 122         printf("ixm1200_pci_intr_disestablish(v=%p, cookie=%p)\n",
 123                 v, cookie);
 124 #endif
 125
 126         ixp12x0_intr_disestablish(cookie);
 127 }