1/*-
2 * SPDX-License-Identifier: BSD-2-Clause
3 *
4 * Copyright (c) 1998 - 2008 S��ren 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 */
48static 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
58static int
59ata_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
97static int
98ata_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
146static int
147ata_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
165static int
166ata_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
176static int
177ata_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
187static 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
198static driver_t ata_isa_driver = {
199    "ata",
200    ata_isa_methods,
201    sizeof(struct ata_channel),
202};
203
204DRIVER_MODULE(ata, isa, ata_isa_driver, NULL, NULL);
205MODULE_DEPEND(ata, ata, 1, 1, 1);
206ISA_PNP_INFO(ata_ids);
207