1/* $NetBSD: pciide_machdep.c,v 1.17 2017/11/04 15:24:42 cherry 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 1.17 2017/11/04 15:24:42 cherry 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#ifdef __HAVE_PCIIDE_MACHDEP_COMPAT_INTR_ESTABLISH 65void * 66pciide_machdep_compat_intr_establish(device_t dev, 67 const struct pci_attach_args *pa, int chan, int (*func)(void *), 68 void *arg) 69{ 70 int irq; 71 void *cookie; 72#if NIOAPIC > 0 73 intr_handle_t mpih; 74 char buf[PCI_INTRSTR_LEN]; 75#endif 76 char intr_xname[64]; 77 78 snprintf(intr_xname, sizeof(intr_xname), "%s %s", 79 device_xname(dev), PCIIDE_CHANNEL_NAME(chan)); 80 81 irq = PCIIDE_COMPAT_IRQ(chan); 82 cookie = isa_intr_establish_xname(NULL, irq, IST_EDGE, IPL_BIO, 83 func, arg, intr_xname); 84 if (cookie == NULL) 85 return NULL; 86#if NIOAPIC > 0 87 if (mp_busses != NULL && 88 (intr_find_mpmapping(mp_isa_bus, irq, &mpih) == 0 || 89 intr_find_mpmapping(mp_eisa_bus, irq, &mpih) == 0)) { 90 mpih |= irq; 91 aprint_normal_dev(dev, "%s channel interrupting at %s\n", 92 PCIIDE_CHANNEL_NAME(chan), 93 intr_string(mpih, buf, sizeof(buf))); 94 } else 95#endif 96 aprint_normal_dev(dev, "%s channel interrupting at irq %d\n", 97 PCIIDE_CHANNEL_NAME(chan), irq); 98 return cookie; 99} 100#endif /* __HAVE_PCIIDE_MACHDEP_COMPAT_INTR_ESTABLISH */ 101 102#ifdef __HAVE_PCIIDE_MACHDEP_COMPAT_INTR_DISESTABLISH 103void 104pciide_machdep_compat_intr_disestablish(device_t dev, pci_chipset_tag_t pc, 105 int chan, void *cookie) 106{ 107 isa_intr_disestablish(NULL, cookie); 108 return; 109} 110#endif /* __HAVE_PCIIDE_MACHDEP_COMPAT_INTR_DISESTABLISH */ 111