FreeBSD/Linux Kernel Cross Reference
sys/dev/ata/ata-isa.c
1 /*-
2 * Copyright (c) 1998 - 2008 Søren Schmidt <sos@FreeBSD.org>
3 * All rights reserved.
4 *
5 * Redistribution and use in source and binary forms, with or without
6 * modification, are permitted provided that the following conditions
7 * are met:
8 * 1. Redistributions of source code must retain the above copyright
9 * notice, this list of conditions and the following disclaimer,
10 * without modification, immediately at the beginning of the file.
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 *
15 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
16 * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
17 * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
18 * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
19 * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
20 * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
21 * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
22 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
23 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
24 * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
25 */
26
27 #include <sys/cdefs.h>
28 __FBSDID("$FreeBSD$");
29
30 #include "opt_ata.h"
31 #include <sys/param.h>
32 #include <sys/systm.h>
33 #include <sys/ata.h>
34 #include <sys/kernel.h>
35 #include <sys/module.h>
36 #include <sys/bus.h>
37 #include <sys/malloc.h>
38 #include <sys/sema.h>
39 #include <sys/taskqueue.h>
40 #include <vm/uma.h>
41 #include <machine/stdarg.h>
42 #include <machine/resource.h>
43 #include <machine/bus.h>
44 #include <sys/rman.h>
45 #include <isa/isavar.h>
46 #include <dev/ata/ata-all.h>
47 #include <ata_if.h>
48
49 /* local vars */
50 static struct isa_pnp_id ata_ids[] = {
51 {0x0006d041, "Generic ESDI/IDE/ATA controller"}, /* PNP0600 */
52 {0x0106d041, "Plus Hardcard II"}, /* PNP0601 */
53 {0x0206d041, "Plus Hardcard IIXL/EZ"}, /* PNP0602 */
54 {0x0306d041, "Generic ATA"}, /* PNP0603 */
55 /* PNP0680 */
56 {0x8006d041, "Standard bus mastering IDE hard disk controller"},
57 {0}
58 };
59
60 static int
61 ata_isa_probe(device_t dev)
62 {
63 struct resource *io = NULL, *ctlio = NULL;
64 u_long tmp;
65 int rid;
66
67 /* check isapnp ids */
68 if (ISA_PNP_PROBE(device_get_parent(dev), dev, ata_ids) == ENXIO)
69 return ENXIO;
70
71 /* allocate the io port range */
72 rid = ATA_IOADDR_RID;
73 if (!(io = bus_alloc_resource(dev, SYS_RES_IOPORT, &rid, 0, ~0,
74 ATA_IOSIZE, RF_ACTIVE)))
75 return ENXIO;
76
77 /* set the altport range */
78 if (bus_get_resource(dev, SYS_RES_IOPORT, ATA_CTLADDR_RID, &tmp, &tmp)) {
79 bus_set_resource(dev, SYS_RES_IOPORT, ATA_CTLADDR_RID,
80 rman_get_start(io) + ATA_CTLOFFSET, ATA_CTLIOSIZE);
81 }
82
83 /* allocate the altport range */
84 rid = ATA_CTLADDR_RID;
85 if (!(ctlio = bus_alloc_resource(dev, SYS_RES_IOPORT, &rid, 0, ~0,
86 ATA_CTLIOSIZE, RF_ACTIVE))) {
87 bus_release_resource(dev, SYS_RES_IOPORT, ATA_IOADDR_RID, io);
88 return ENXIO;
89 }
90
91 /* Release resources to reallocate on attach. */
92 bus_release_resource(dev, SYS_RES_IOPORT, ATA_CTLADDR_RID, ctlio);
93 bus_release_resource(dev, SYS_RES_IOPORT, ATA_IOADDR_RID, io);
94
95 return (ata_probe(dev));
96 }
97
98 static int
99 ata_isa_attach(device_t dev)
100 {
101 struct ata_channel *ch = device_get_softc(dev);
102 struct resource *io = NULL, *ctlio = NULL;
103 u_long tmp;
104 int i, rid;
105
106 if (ch->attached)
107 return (0);
108 ch->attached = 1;
109
110 /* allocate the io port range */
111 rid = ATA_IOADDR_RID;
112 if (!(io = bus_alloc_resource(dev, SYS_RES_IOPORT, &rid, 0, ~0,
113 ATA_IOSIZE, RF_ACTIVE)))
114 return ENXIO;
115
116 /* set the altport range */
117 if (bus_get_resource(dev, SYS_RES_IOPORT, ATA_CTLADDR_RID, &tmp, &tmp)) {
118 bus_set_resource(dev, SYS_RES_IOPORT, ATA_CTLADDR_RID,
119 rman_get_start(io) + ATA_CTLOFFSET, ATA_CTLIOSIZE);
120 }
121
122 /* allocate the altport range */
123 rid = ATA_CTLADDR_RID;
124 if (!(ctlio = bus_alloc_resource(dev, SYS_RES_IOPORT, &rid, 0, ~0,
125 ATA_CTLIOSIZE, RF_ACTIVE))) {
126 bus_release_resource(dev, SYS_RES_IOPORT, ATA_IOADDR_RID, io);
127 return ENXIO;
128 }
129
130 /* setup the resource vectors */
131 for (i = ATA_DATA; i <= ATA_COMMAND; i++) {
132 ch->r_io[i].res = io;
133 ch->r_io[i].offset = i;
134 }
135 ch->r_io[ATA_CONTROL].res = ctlio;
136 ch->r_io[ATA_CONTROL].offset = 0;
137 ch->r_io[ATA_IDX_ADDR].res = io;
138 ata_default_registers(dev);
139
140 /* initialize softc for this channel */
141 ch->unit = 0;
142 ch->flags |= ATA_USE_16BIT;
143 ata_generic_hw(dev);
144 return ata_attach(dev);
145 }
146
147 static int
148 ata_isa_detach(device_t dev)
149 {
150 struct ata_channel *ch = device_get_softc(dev);
151 int error;
152
153 if (!ch->attached)
154 return (0);
155 ch->attached = 0;
156
157 error = ata_detach(dev);
158
159 bus_release_resource(dev, SYS_RES_IOPORT, ATA_CTLADDR_RID,
160 ch->r_io[ATA_CONTROL].res);
161 bus_release_resource(dev, SYS_RES_IOPORT, ATA_IOADDR_RID,
162 ch->r_io[ATA_IDX_ADDR].res);
163 return (error);
164 }
165
166 static int
167 ata_isa_suspend(device_t dev)
168 {
169 struct ata_channel *ch = device_get_softc(dev);
170
171 if (!ch->attached)
172 return (0);
173
174 return ata_suspend(dev);
175 }
176
177 static int
178 ata_isa_resume(device_t dev)
179 {
180 struct ata_channel *ch = device_get_softc(dev);
181
182 if (!ch->attached)
183 return (0);
184
185 return ata_resume(dev);
186 }
187
188
189 static device_method_t ata_isa_methods[] = {
190 /* device interface */
191 DEVMETHOD(device_probe, ata_isa_probe),
192 DEVMETHOD(device_attach, ata_isa_attach),
193 DEVMETHOD(device_detach, ata_isa_detach),
194 DEVMETHOD(device_suspend, ata_isa_suspend),
195 DEVMETHOD(device_resume, ata_isa_resume),
196
197 { 0, 0 }
198 };
199
200 static driver_t ata_isa_driver = {
201 "ata",
202 ata_isa_methods,
203 sizeof(struct ata_channel),
204 };
205
206 DRIVER_MODULE(ata, isa, ata_isa_driver, ata_devclass, 0, 0);
207 MODULE_DEPEND(ata, ata, 1, 1, 1);
Cache object: 671ec2deaffc06783bbc43650bfa5d64
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