xref: /dragonfly/sys/dev/disk/nata/ata-isa.c (revision 6693db17)
1 /*-
2  * Copyright (c) 1998 - 2006 S�ren 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  * $DragonFly: src/sys/dev/disk/nata/ata-isa.c,v 1.1 2006/12/04 14:40:37 tgen Exp $
28  */
29 
30 #include "opt_ata.h"
31 
32 #include <sys/param.h>
33 #include <sys/bus.h>
34 #include <sys/module.h>
35 #include <sys/nata.h>
36 #include <sys/rman.h>
37 
38 #include <bus/isa/isavar.h>
39 
40 #include "ata-all.h"
41 #include "ata_if.h"
42 
43 /* local vars */
44 static struct isa_pnp_id ata_ids[] = {
45     {0x0006d041,        "Generic ESDI/IDE/ATA controller"},     /* PNP0600 */
46     {0x0106d041,        "Plus Hardcard II"},                    /* PNP0601 */
47     {0x0206d041,        "Plus Hardcard IIXL/EZ"},               /* PNP0602 */
48     {0x0306d041,        "Generic ATA"},                         /* PNP0603 */
49 								/* PNP0680 */
50     {0x8006d041,        "Standard bus mastering IDE hard disk controller"},
51     {0}
52 };
53 
54 static int
55 ata_isa_probe(device_t dev)
56 {
57     struct ata_channel *ch = device_get_softc(dev);
58     struct resource *io = NULL, *ctlio = NULL;
59     u_long tmp;
60     int i, rid;
61 
62     /* check isapnp ids */
63     if (ISA_PNP_PROBE(device_get_parent(dev), dev, ata_ids) == ENXIO)
64 	return ENXIO;
65 
66     /* allocate the io port range */
67     rid = ATA_IOADDR_RID;
68     if (!(io = bus_alloc_resource(dev, SYS_RES_IOPORT, &rid, 0, ~0,
69 				  ATA_IOSIZE, RF_ACTIVE)))
70 	return ENXIO;
71 
72     /* set the altport range */
73     if (bus_get_resource(dev, SYS_RES_IOPORT, ATA_CTLADDR_RID, &tmp, &tmp)) {
74 	bus_set_resource(dev, SYS_RES_IOPORT, ATA_CTLADDR_RID,
75 			 rman_get_start(io) + ATA_CTLOFFSET, ATA_CTLIOSIZE);
76     }
77 
78     /* allocate the altport range */
79     rid = ATA_CTLADDR_RID;
80     if (!(ctlio = bus_alloc_resource(dev, SYS_RES_IOPORT, &rid, 0, ~0,
81 				     ATA_CTLIOSIZE, RF_ACTIVE))) {
82 	bus_release_resource(dev, SYS_RES_IOPORT, ATA_IOADDR_RID, io);
83 	return ENXIO;
84     }
85 
86     /* setup the resource vectors */
87     for (i = ATA_DATA; i <= ATA_COMMAND; i++) {
88 	ch->r_io[i].res = io;
89 	ch->r_io[i].offset = i;
90     }
91     ch->r_io[ATA_CONTROL].res = ctlio;
92     ch->r_io[ATA_CONTROL].offset = 0;
93     ch->r_io[ATA_IDX_ADDR].res = io;
94     ata_default_registers(dev);
95 
96     /* initialize softc for this channel */
97     ch->unit = 0;
98     ch->flags |= ATA_USE_16BIT;
99     ata_generic_hw(dev);
100     return ata_probe(dev);
101 }
102 
103 static device_method_t ata_isa_methods[] = {
104     /* device interface */
105     DEVMETHOD(device_probe,     ata_isa_probe),
106     DEVMETHOD(device_attach,    ata_attach),
107     DEVMETHOD(device_suspend,   ata_suspend),
108     DEVMETHOD(device_resume,    ata_resume),
109 
110     { 0, 0 }
111 };
112 
113 static driver_t ata_isa_driver = {
114     "ata",
115     ata_isa_methods,
116     sizeof(struct ata_channel),
117 };
118 
119 DRIVER_MODULE(ata, isa, ata_isa_driver, ata_devclass, 0, 0);
120 MODULE_DEPEND(ata, ata, 1, 1, 1);
121