1 /* $NetBSD: pciide_machdep.c,v 1.10 2010/11/06 00:35:44 jakllsch Exp $ */ 2 3 /* 4 * Copyright (c) 1998 Christopher G. Demetriou. All rights reserved. 5 * 6 * Redistribution and use in source and binary forms, with or without 7 * modification, are permitted provided that the following conditions 8 * are met: 9 * 1. Redistributions of source code must retain the above copyright 10 * notice, this list of conditions and the following disclaimer. 11 * 2. Redistributions in binary form must reproduce the above copyright 12 * notice, this list of conditions and the following disclaimer in the 13 * documentation and/or other materials provided with the distribution. 14 * 3. All advertising materials mentioning features or use of this software 15 * must display the following acknowledgement: 16 * This product includes software developed by Christopher G. Demetriou 17 * for the NetBSD Project. 18 * 4. The name of the author may not be used to endorse or promote products 19 * derived from this software without specific prior written permission 20 * 21 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR 22 * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES 23 * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. 24 * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, 25 * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT 26 * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, 27 * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY 28 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT 29 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF 30 * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. 31 */ 32 33 /* 34 * PCI IDE controller driver (i386 machine-dependent portion). 35 * 36 * Author: Christopher G. Demetriou, March 2, 1998 (derived from NetBSD 37 * sys/dev/pci/ppb.c, revision 1.16). 38 * 39 * See "PCI IDE Controller Specification, Revision 1.0 3/4/94" from the 40 * PCI SIG. 41 */ 42 43 #include <sys/cdefs.h> 44 __KERNEL_RCSID(0, "$NetBSD: pciide_machdep.c,v 1.10 2010/11/06 00:35:44 jakllsch Exp $"); 45 46 #include <sys/param.h> 47 #include <sys/systm.h> 48 #include <sys/device.h> 49 50 #include <dev/pci/pcireg.h> 51 #include <dev/pci/pcivar.h> 52 #include <dev/pci/pciidereg.h> 53 #include <dev/pci/pciidevar.h> 54 55 #include <dev/isa/isavar.h> 56 57 #include "ioapic.h" 58 59 #if NIOAPIC > 0 60 #include <machine/i82093var.h> 61 #include <machine/mpbiosvar.h> 62 #endif 63 64 void * 65 pciide_machdep_compat_intr_establish(device_t dev, 66 struct pci_attach_args *pa, int chan, int (*func)(void *), 67 void *arg) 68 { 69 int irq; 70 void *cookie; 71 #if NIOAPIC > 0 72 int mpih; 73 #endif 74 75 irq = PCIIDE_COMPAT_IRQ(chan); 76 cookie = isa_intr_establish(NULL, irq, IST_EDGE, IPL_BIO, func, arg); 77 if (cookie == NULL) 78 return NULL; 79 #if NIOAPIC > 0 80 if (mp_busses != NULL && 81 (intr_find_mpmapping(mp_isa_bus, irq, &mpih) == 0 || 82 intr_find_mpmapping(mp_eisa_bus, irq, &mpih) == 0)) { 83 mpih |= irq; 84 aprint_normal_dev(dev, "%s channel interrupting at %s\n", 85 PCIIDE_CHANNEL_NAME(chan), 86 intr_string(mpih)); 87 } else 88 #endif 89 aprint_normal_dev(dev, "%s channel interrupting at irq %d\n", 90 PCIIDE_CHANNEL_NAME(chan), irq); 91 return cookie; 92 } 93 94 void 95 pciide_machdep_compat_intr_disestablish(device_t dev, pci_chipset_tag_t pc, int chan, void *cookie) 96 { 97 isa_intr_disestablish(NULL, cookie); 98 return; 99 } 100