1 /* $NetBSD: ixm1200_pci.c,v 1.9 2011/07/01 20:42:37 dyoung 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 1.9 2011/07/01 20:42:37 dyoung 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 <sys/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(const 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(const 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 } 128