| 1 | /* $NetBSD: pciide_machdep.c,v 1.16 2016/10/15 16:46:14 jdolecek 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 1.16 2016/10/15 16:46:14 jdolecek 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 | const 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 | intr_handle_t mpih; |
| 73 | char buf[PCI_INTRSTR_LEN]; |
| 74 | #endif |
| 75 | char intr_xname[64]; |
| 76 | |
| 77 | snprintf(intr_xname, sizeof(intr_xname), "%s %s" , |
| 78 | device_xname(dev), PCIIDE_CHANNEL_NAME(chan)); |
| 79 | |
| 80 | irq = PCIIDE_COMPAT_IRQ(chan); |
| 81 | cookie = isa_intr_establish_xname(NULL, irq, IST_EDGE, IPL_BIO, |
| 82 | func, arg, intr_xname); |
| 83 | if (cookie == NULL) |
| 84 | return NULL; |
| 85 | #if NIOAPIC > 0 |
| 86 | if (mp_busses != NULL && |
| 87 | (intr_find_mpmapping(mp_isa_bus, irq, &mpih) == 0 || |
| 88 | intr_find_mpmapping(mp_eisa_bus, irq, &mpih) == 0)) { |
| 89 | mpih |= irq; |
| 90 | aprint_normal_dev(dev, "%s channel interrupting at %s\n" , |
| 91 | PCIIDE_CHANNEL_NAME(chan), |
| 92 | intr_string(mpih, buf, sizeof(buf))); |
| 93 | } else |
| 94 | #endif |
| 95 | aprint_normal_dev(dev, "%s channel interrupting at irq %d\n" , |
| 96 | PCIIDE_CHANNEL_NAME(chan), irq); |
| 97 | return cookie; |
| 98 | } |
| 99 | |
| 100 | void |
| 101 | pciide_machdep_compat_intr_disestablish(device_t dev, pci_chipset_tag_t pc, |
| 102 | int chan, void *cookie) |
| 103 | { |
| 104 | isa_intr_disestablish(NULL, cookie); |
| 105 | return; |
| 106 | } |
| 107 | |