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
65 void *
pciide_machdep_compat_intr_establish(device_t dev,const struct pci_attach_args * pa,int chan,int (* func)(void *),void * arg)66 pciide_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
103 void
pciide_machdep_compat_intr_disestablish(device_t dev,pci_chipset_tag_t pc,int chan,void * cookie)104 pciide_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