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ixm1200_pci.c revision 1.1 
      1 /*      $NetBSD: ixm1200_pci.c,v 1.1 2002/07/15 17:13:32 ichiro Exp $ */
      2 /*
      3  * Copyright (c) 2002
      4  *      Ichiro FUKUHARA <ichiro (at) ichiro.org>.
      5  * All rights reserved.
      6  *
      7  * Redistribution and use in source and binary forms, with or without
      8  * modification, are permitted provided that the following conditions
      9  * are met:
     10  * 1. Redistributions of source code must retain the above copyright
     11  *    notice, this list of conditions and the following disclaimer.
     12  * 2. Redistributions in binary form must reproduce the above copyright
     13  *    notice, this list of conditions and the following disclaimer in the
     14  *    documentation and/or other materials provided with the distribution.
     15  * 3. All advertising materials mentioning features or use of this software
     16  *    must display the following acknowledgement:
     17  *      This product includes software developed by Ichiro FUKUHARA.
     18  * 4. The name of the company nor the name of the author may be used to
     19  *    endorse or promote products derived from this software without specific
     20  *    prior written permission.
     21  *
     22  * THIS SOFTWARE IS PROVIDED BY ICHIRO FUKUHARA ``AS IS'' AND ANY EXPRESS OR
     23  * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
     24  * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
     25  * IN NO EVENT SHALL ICHIRO FUKUHARA OR THE VOICES IN HIS HEAD BE LIABLE FOR
     26  * ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
     27  * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
     28  * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
     29  * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
     30  * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
     31  * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
     32  * SUCH DAMAGE.
     33  */
     34 
     35 /*
     36  * IXM1200 PCI interrupt support.
     37  */
     38 
     39 #include <sys/param.h>
     40 #include <sys/systm.h>
     41 #include <sys/device.h>
     42 
     43 #include <machine/autoconf.h>
     44 #include <machine/bus.h>
     45 
     46 #include <evbarm/ixm1200/ixm1200reg.h>
     47 #include <evbarm/ixm1200/ixm1200var.h>
     48 
     49 #include <arm/ixp12x0/ixp12x0reg.h>
     50 #include <arm/ixp12x0/ixp12x0var.h>
     51 
     52 #include <arm/ixp12x0/ixp12x0_pcireg.h>
     53 
     54 #include <dev/pci/pcidevs.h>
     55 #include <dev/pci/ppbreg.h>
     56 
     57 int ixm1200_pci_intr_map(struct pci_attach_args *, pci_intr_handle_t *);
     58 const char *ixm1200_pci_intr_string(void *, pci_intr_handle_t);
     59 const struct evcnt *ixm1200_pci_intr_evcnt(void *, pci_intr_handle_t);
     60 void *ixm1200_pci_intr_establish(void *, pci_intr_handle_t, int,
     61 	int (*func)(void *), void *);
     62 void ixm1200_pci_intr_disestablish(void *, void *);
     63 
     64 void
     65 ixm1200_pci_init(pc, cookie)
     66 	pci_chipset_tag_t pc;
     67 	void *cookie;
     68 {
     69 	pc->pc_intr_v = cookie;
     70 	pc->pc_intr_map = ixm1200_pci_intr_map;
     71 	pc->pc_intr_string = ixm1200_pci_intr_string;
     72 	pc->pc_intr_evcnt = ixm1200_pci_intr_evcnt;
     73 	pc->pc_intr_establish = ixm1200_pci_intr_establish;
     74 	pc->pc_intr_disestablish = ixm1200_pci_intr_disestablish;
     75 }
     76 
     77 int
     78 ixm1200_pci_intr_map(pa, ihp)
     79 	struct pci_attach_args *pa;
     80 	pci_intr_handle_t *ihp;
     81 {
     82 	int pin = pa->pa_intrpin, line = pa->pa_intrline;
     83 
     84 #ifdef PCI_DEBUG
     85 	void *v = pa->pa_pc;
     86 	pcitag_t intrtag = pa->pa_intrtag;
     87 	int bus, device, function;
     88 
     89 	ixp12x0_pci_decompose_tag(pcv, intrtag, &bus, &device, &function);
     90 	printf("ixm1200_pci_intr_map: v=%p, tag=%08lx intrpin=%d line=%d dev=%d\n",
     91 		v, intrtag, pin, line, device);
     92 #else
     93 	printf("pin = %d, line = %d\n", pin, line);
     94 #endif
     95 
     96 	*ihp = IXPPCI_INTR_PIL;
     97 	return (0);
     98 }
     99 
    100 const char *
    101 ixm1200_pci_intr_string(v, ih)
    102 	void *v;
    103 	pci_intr_handle_t ih;
    104 {
    105 	static char irqstr[IRQNAMESIZE];
    106 
    107 	sprintf(irqstr, "IXM1200 irq %ld", ih);
    108 	return (irqstr);
    109 }
    110 
    111 const struct evcnt *
    112 ixm1200_pci_intr_evcnt(v, ih)
    113 	void *v;
    114 	pci_intr_handle_t ih;
    115 {
    116 	return (NULL);
    117 }
    118 
    119 void *
    120 ixm1200_pci_intr_establish(v, ih, ipl, func, arg)
    121 	void *v;
    122 	pci_intr_handle_t ih;
    123 	int ipl;
    124 	int (*func)(void *);
    125 	void *arg;
    126 {
    127 	return (ixp12x0_intr_establish(ih, ipl, func, arg));
    128 }
    129 
    130 void
    131 ixm1200_pci_intr_disestablish(void *v, void *cookie)
    132 {
    133 	ixp12x0_intr_disestablish(cookie);
    134 }
    135