1 | /* $NetBSD: pciide.c,v 1.219 2010/11/06 00:29:09 jakllsch Exp $ */ |
2 | |
3 | |
4 | /* |
5 | * Copyright (c) 1999, 2000, 2001 Manuel Bouyer. |
6 | * |
7 | * Redistribution and use in source and binary forms, with or without |
8 | * modification, are permitted provided that the following conditions |
9 | * are met: |
10 | * 1. Redistributions of source code must retain the above copyright |
11 | * notice, this list of conditions and the following disclaimer. |
12 | * 2. Redistributions in binary form must reproduce the above copyright |
13 | * notice, this list of conditions and the following disclaimer in the |
14 | * documentation and/or other materials provided with the distribution. |
15 | * |
16 | * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR |
17 | * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES |
18 | * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. |
19 | * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, |
20 | * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT |
21 | * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, |
22 | * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY |
23 | * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT |
24 | * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF |
25 | * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. |
26 | * |
27 | */ |
28 | |
29 | |
30 | /* |
31 | * Copyright (c) 1996, 1998 Christopher G. Demetriou. All rights reserved. |
32 | * |
33 | * Redistribution and use in source and binary forms, with or without |
34 | * modification, are permitted provided that the following conditions |
35 | * are met: |
36 | * 1. Redistributions of source code must retain the above copyright |
37 | * notice, this list of conditions and the following disclaimer. |
38 | * 2. Redistributions in binary form must reproduce the above copyright |
39 | * notice, this list of conditions and the following disclaimer in the |
40 | * documentation and/or other materials provided with the distribution. |
41 | * 3. All advertising materials mentioning features or use of this software |
42 | * must display the following acknowledgement: |
43 | * This product includes software developed by Christopher G. Demetriou |
44 | * for the NetBSD Project. |
45 | * 4. The name of the author may not be used to endorse or promote products |
46 | * derived from this software without specific prior written permission |
47 | * |
48 | * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR |
49 | * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES |
50 | * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. |
51 | * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, |
52 | * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT |
53 | * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, |
54 | * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY |
55 | * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT |
56 | * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF |
57 | * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. |
58 | */ |
59 | |
60 | /* |
61 | * PCI IDE controller driver. |
62 | * |
63 | * Author: Christopher G. Demetriou, March 2, 1998 (derived from NetBSD |
64 | * sys/dev/pci/ppb.c, revision 1.16). |
65 | * |
66 | * See "PCI IDE Controller Specification, Revision 1.0 3/4/94" and |
67 | * "Programming Interface for Bus Master IDE Controller, Revision 1.0 |
68 | * 5/16/94" from the PCI SIG. |
69 | * |
70 | */ |
71 | |
72 | #include <sys/cdefs.h> |
73 | __KERNEL_RCSID(0, "$NetBSD: pciide.c,v 1.219 2010/11/06 00:29:09 jakllsch Exp $" ); |
74 | |
75 | #include <sys/param.h> |
76 | |
77 | #include <dev/pci/pcivar.h> |
78 | #include <dev/pci/pciidereg.h> |
79 | #include <dev/pci/pciidevar.h> |
80 | |
81 | static int pciide_match(device_t, cfdata_t, void *); |
82 | static void pciide_attach(device_t, device_t, void *); |
83 | |
84 | CFATTACH_DECL_NEW(pciide, sizeof(struct pciide_softc), |
85 | pciide_match, pciide_attach, pciide_detach, NULL); |
86 | |
87 | static int |
88 | pciide_match(device_t parent, cfdata_t match, void *aux) |
89 | { |
90 | struct pci_attach_args *pa = aux; |
91 | |
92 | /* |
93 | * Check the ID register to see that it's a PCI IDE controller. |
94 | * If it is, we assume that we can deal with it; it _should_ |
95 | * work in a standardized way... |
96 | */ |
97 | if (PCI_CLASS(pa->pa_class) == PCI_CLASS_MASS_STORAGE && |
98 | PCI_SUBCLASS(pa->pa_class) == PCI_SUBCLASS_MASS_STORAGE_IDE) { |
99 | return (1); |
100 | } |
101 | |
102 | return (0); |
103 | } |
104 | |
105 | static void |
106 | pciide_attach(device_t parent, device_t self, void *aux) |
107 | { |
108 | struct pci_attach_args *pa = aux; |
109 | struct pciide_softc *sc = device_private(self); |
110 | |
111 | sc->sc_wdcdev.sc_atac.atac_dev = self; |
112 | |
113 | pciide_common_attach(sc, pa, NULL); |
114 | } |
115 | |