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