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 | |