xref: /dragonfly/sys/dev/disk/nata/ata-isa.c (revision 78478697)
1 /*-
2  * Copyright (c) 1998 - 2006 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  * $FreeBSD: src/sys/dev/ata/ata-isa.c,v 1.30 2006/01/05 21:27:19 sos Exp $
27  */
28 
29 #include "opt_ata.h"
30 
31 #include <sys/param.h>
32 #include <sys/bus.h>
33 #include <sys/module.h>
34 #include <sys/nata.h>
35 #include <sys/rman.h>
36 
37 #include <bus/isa/isavar.h>
38 
39 #include "ata-all.h"
40 #include "ata_if.h"
41 
42 /* local vars */
43 static struct isa_pnp_id ata_ids[] = {
44     {0x0006d041,        "Generic ESDI/IDE/ATA controller"},     /* PNP0600 */
45     {0x0106d041,        "Plus Hardcard II"},                    /* PNP0601 */
46     {0x0206d041,        "Plus Hardcard IIXL/EZ"},               /* PNP0602 */
47     {0x0306d041,        "Generic ATA"},                         /* PNP0603 */
48 								/* PNP0680 */
49     {0x8006d041,        "Standard bus mastering IDE hard disk controller"},
50     {0}
51 };
52 
53 static int
54 ata_isa_probe(device_t dev)
55 {
56     struct ata_channel *ch = device_get_softc(dev);
57     struct resource *io = NULL, *ctlio = NULL;
58     u_long tmp;
59     int i, rid;
60 
61     /* check isapnp ids */
62     if (ISA_PNP_PROBE(device_get_parent(dev), dev, ata_ids) == ENXIO)
63 	return ENXIO;
64 
65     /* allocate the io port range */
66     rid = ATA_IOADDR_RID;
67     if (!(io = bus_alloc_resource(dev, SYS_RES_IOPORT, &rid, 0, ~0,
68 				  ATA_IOSIZE, RF_ACTIVE)))
69 	return ENXIO;
70 
71     /* set the altport range */
72     if (bus_get_resource(dev, SYS_RES_IOPORT, ATA_CTLADDR_RID, &tmp, &tmp)) {
73 	bus_set_resource(dev, SYS_RES_IOPORT, ATA_CTLADDR_RID,
74 			 rman_get_start(io) + ATA_CTLOFFSET, ATA_CTLIOSIZE, -1);
75     }
76 
77     /* allocate the altport range */
78     rid = ATA_CTLADDR_RID;
79     if (!(ctlio = bus_alloc_resource(dev, SYS_RES_IOPORT, &rid, 0, ~0,
80 				     ATA_CTLIOSIZE, RF_ACTIVE))) {
81 	bus_release_resource(dev, SYS_RES_IOPORT, ATA_IOADDR_RID, io);
82 	return ENXIO;
83     }
84 
85     /* setup the resource vectors */
86     for (i = ATA_DATA; i <= ATA_COMMAND; i++) {
87 	ch->r_io[i].res = io;
88 	ch->r_io[i].offset = i;
89     }
90     ch->r_io[ATA_CONTROL].res = ctlio;
91     ch->r_io[ATA_CONTROL].offset = 0;
92     ch->r_io[ATA_IDX_ADDR].res = io;
93     ata_default_registers(dev);
94 
95     /* initialize softc for this channel */
96     ch->unit = 0;
97     ch->flags |= ATA_USE_16BIT;
98     ata_generic_hw(dev);
99     return ata_probe(dev);
100 }
101 
102 static device_method_t ata_isa_methods[] = {
103     /* device interface */
104     DEVMETHOD(device_probe,     ata_isa_probe),
105     DEVMETHOD(device_attach,    ata_attach),
106     DEVMETHOD(device_suspend,   ata_suspend),
107     DEVMETHOD(device_resume,    ata_resume),
108 
109     DEVMETHOD_END
110 };
111 
112 static driver_t ata_isa_driver = {
113     "ata",
114     ata_isa_methods,
115     sizeof(struct ata_channel),
116 };
117 
118 DRIVER_MODULE(ata, isa, ata_isa_driver, ata_devclass, NULL, NULL);
119 MODULE_DEPEND(ata, ata, 1, 1, 1);
120