1 /* $NetBSD: pciide_machdep.c,v 1.4 2005/12/11 12:19:47 christos 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 1.4 2005/12/11 12:19:47 christos 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(dev, pa, chan, func, arg) 66 struct device *dev; 67 struct pci_attach_args *pa; 68 int chan; 69 int (*func) __P((void *)); 70 void *arg; 71 { 72 int irq; 73 void *cookie; 74 #if NIOAPIC > 0 75 int mpih; 76 #endif 77 78 irq = PCIIDE_COMPAT_IRQ(chan); 79 cookie = isa_intr_establish(NULL, irq, IST_EDGE, IPL_BIO, func, arg); 80 if (cookie == NULL) 81 return (NULL); 82 #if NIOAPIC > 0 83 if (mp_busses != NULL && 84 (intr_find_mpmapping(mp_isa_bus, irq, &mpih) == 0 || 85 intr_find_mpmapping(mp_eisa_bus, irq, &mpih) == 0)) { 86 mpih |= irq; 87 printf("%s: %s channel interrupting at %s\n", dev->dv_xname, 88 PCIIDE_CHANNEL_NAME(chan), intr_string(mpih)); 89 } else 90 #endif 91 printf("%s: %s channel interrupting at irq %d\n", dev->dv_xname, 92 PCIIDE_CHANNEL_NAME(chan), irq); 93 return (cookie); 94 } 95