xref: /freebsd/sys/dev/ata/ata-isa.c (revision 1e413cf93298b5b97441a21d9a50fdcd0ee9945e)
1 /*-
2  * Copyright (c) 1998 - 2007 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 
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 ata_channel *ch = device_get_softc(dev);
64     struct resource *io = NULL, *ctlio = NULL;
65     u_long tmp;
66     int i, rid;
67 
68     /* check isapnp ids */
69     if (ISA_PNP_PROBE(device_get_parent(dev), dev, ata_ids) == ENXIO)
70 	return ENXIO;
71 
72     /* allocate the io port range */
73     rid = ATA_IOADDR_RID;
74     if (!(io = bus_alloc_resource(dev, SYS_RES_IOPORT, &rid, 0, ~0,
75 				  ATA_IOSIZE, RF_ACTIVE)))
76 	return ENXIO;
77 
78     /* set the altport range */
79     if (bus_get_resource(dev, SYS_RES_IOPORT, ATA_CTLADDR_RID, &tmp, &tmp)) {
80 	bus_set_resource(dev, SYS_RES_IOPORT, ATA_CTLADDR_RID,
81 			 rman_get_start(io) + ATA_CTLOFFSET, ATA_CTLIOSIZE);
82     }
83 
84     /* allocate the altport range */
85     rid = ATA_CTLADDR_RID;
86     if (!(ctlio = bus_alloc_resource(dev, SYS_RES_IOPORT, &rid, 0, ~0,
87 				     ATA_CTLIOSIZE, RF_ACTIVE))) {
88 	bus_release_resource(dev, SYS_RES_IOPORT, ATA_IOADDR_RID, io);
89 	return ENXIO;
90     }
91 
92     /* setup the resource vectors */
93     for (i = ATA_DATA; i <= ATA_COMMAND; i++) {
94 	ch->r_io[i].res = io;
95 	ch->r_io[i].offset = i;
96     }
97     ch->r_io[ATA_CONTROL].res = ctlio;
98     ch->r_io[ATA_CONTROL].offset = 0;
99     ch->r_io[ATA_IDX_ADDR].res = io;
100     ata_default_registers(dev);
101 
102     /* initialize softc for this channel */
103     ch->unit = 0;
104     ch->flags |= ATA_USE_16BIT;
105     ata_generic_hw(dev);
106     return ata_probe(dev);
107 }
108 
109 static device_method_t ata_isa_methods[] = {
110     /* device interface */
111     DEVMETHOD(device_probe,     ata_isa_probe),
112     DEVMETHOD(device_attach,    ata_attach),
113     DEVMETHOD(device_suspend,   ata_suspend),
114     DEVMETHOD(device_resume,    ata_resume),
115 
116     { 0, 0 }
117 };
118 
119 static driver_t ata_isa_driver = {
120     "ata",
121     ata_isa_methods,
122     sizeof(struct ata_channel),
123 };
124 
125 DRIVER_MODULE(ata, isa, ata_isa_driver, ata_devclass, 0, 0);
126 MODULE_DEPEND(ata, ata, 1, 1, 1);
127