Home | History | Annotate | Line # | Download | only in ixm1200
ixm1200_pci.c revision 1.4 
      1 /*      $NetBSD: ixm1200_pci.c,v 1.4 2003/03/25 06:53:16 igy Exp $ */
      2 #define PCI_DEBUG
      3 /*
      4  * Copyright (c) 2002, 2003
      5  *      Ichiro FUKUHARA <ichiro (at) 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  * 3. All advertising materials mentioning features or use of this software
     17  *    must display the following acknowledgement:
     18  *      This product includes software developed by Ichiro FUKUHARA.
     19  * 4. The name of the company nor the name of the author may be used to
     20  *    endorse or promote products derived from this software without specific
     21  *    prior written permission.
     22  *
     23  * THIS SOFTWARE IS PROVIDED BY ICHIRO FUKUHARA ``AS IS'' AND ANY EXPRESS OR
     24  * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
     25  * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
     26  * IN NO EVENT SHALL ICHIRO FUKUHARA OR THE VOICES IN HIS HEAD BE LIABLE FOR
     27  * ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
     28  * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
     29  * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
     30  * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
     31  * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
     32  * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
     33  * SUCH DAMAGE.
     34  */
     35 
     36 #include <sys/cdefs.h>
     37 __KERNEL_RCSID(0, "$NetBSD: ixm1200_pci.c,v 1.4 2003/03/25 06:53:16 igy Exp $");
     38 
     39 /*
     40  * IXM1200 PCI interrupt support.
     41  */
     42 
     43 #include <sys/param.h>
     44 #include <sys/systm.h>
     45 #include <sys/device.h>
     46 
     47 #include <machine/autoconf.h>
     48 #include <machine/bus.h>
     49 
     50 #include <evbarm/ixm1200/ixm1200reg.h>
     51 #include <evbarm/ixm1200/ixm1200var.h>
     52 
     53 #include <arm/ixp12x0/ixp12x0reg.h>
     54 #include <arm/ixp12x0/ixp12x0var.h>
     55 
     56 #include <arm/ixp12x0/ixp12x0_pcireg.h>
     57 
     58 #include <dev/pci/pcidevs.h>
     59 #include <dev/pci/ppbreg.h>
     60 
     61 int ixm1200_pci_intr_map(struct pci_attach_args *, pci_intr_handle_t *);
     62 const char *ixm1200_pci_intr_string(void *, pci_intr_handle_t);
     63 const struct evcnt *ixm1200_pci_intr_evcnt(void *, pci_intr_handle_t);
     64 void *ixm1200_pci_intr_establish(void *, pci_intr_handle_t, int,
     65 	int (*func)(void *), void *);
     66 void ixm1200_pci_intr_disestablish(void *, void *);
     67 
     68 void
     69 ixm1200_pci_init(pc, cookie)
     70 	pci_chipset_tag_t pc;
     71 	void *cookie;
     72 {
     73 	pc->pc_intr_v = cookie;
     74 	pc->pc_intr_map = ixm1200_pci_intr_map;
     75 	pc->pc_intr_string = ixm1200_pci_intr_string;
     76 	pc->pc_intr_evcnt = ixm1200_pci_intr_evcnt;
     77 	pc->pc_intr_establish = ixm1200_pci_intr_establish;
     78 	pc->pc_intr_disestablish = ixm1200_pci_intr_disestablish;
     79 }
     80 
     81 int
     82 ixm1200_pci_intr_map(pa, ihp)
     83 	struct pci_attach_args *pa;
     84 	pci_intr_handle_t *ihp;
     85 {
     86 #ifdef PCI_DEBUG
     87 	void *v = pa->pa_pc;
     88 	int pin = pa->pa_intrpin;
     89 	int line = pa->pa_intrline;
     90 	int dev=pa->pa_device;
     91 	pcitag_t intrtag = pa->pa_intrtag;
     92 
     93 	printf("ixm1200_pci_intr_map: v=%p, tag=%08lx intrpin=%d line=%d dev=%d\n",
     94 		v, intrtag, pin, line, dev);
     95 #endif
     96 
     97 	/* ixp12x0 has only one interrupt line for PCI */
     98 	*ihp = IXPPCI_INTR_PIL;
     99 	return (0);
    100 }
    101 
    102 const char *
    103 ixm1200_pci_intr_string(v, ih)
    104 	void *v;
    105 	pci_intr_handle_t ih;
    106 {
    107 	static char irqstr[IRQNAMESIZE];
    108 
    109 	sprintf(irqstr, "IXM1200 irq %ld", ih);
    110 	return (irqstr);
    111 }
    112 
    113 const struct evcnt *
    114 ixm1200_pci_intr_evcnt(v, ih)
    115 	void *v;
    116 	pci_intr_handle_t ih;
    117 {
    118 	return (NULL);
    119 }
    120 
    121 void *
    122 ixm1200_pci_intr_establish(v, ih, ipl, func, arg)
    123 	void *v;
    124 	pci_intr_handle_t ih;
    125 	int ipl;
    126 	int (*func)(void *);
    127 	void *arg;
    128 {
    129 #ifdef PCI_DEBUG
    130 	printf("ixm1200_pci_intr_establish(v=%p, irq=%d, ipl=%d, func=%p, arg=%p)\n",
    131 		v, (int) ih, ipl, func, arg);
    132 #endif
    133 
    134 	return (ixp12x0_intr_establish(ih, ipl, func, arg));
    135 }
    136 
    137 void
    138 ixm1200_pci_intr_disestablish(void *v, void *cookie)
    139 {
    140 #ifdef PCI_DEBUG
    141 	printf("ixm1200_pci_intr_disestablish(v=%p, cookie=%p)\n",
    142 		v, cookie);
    143 #endif
    144 
    145 	ixp12x0_intr_disestablish(cookie);
    146 }
    147