sys/dev/disk/nata/ata-isa.c

   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);