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

   1 /*-
   2  * Copyright (c) 1998,1999,2000,2001,2002 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  * 3. The name of the author may not be used to endorse or promote products
  15  *    derived from this software without specific prior written permission.
  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  * $FreeBSD: src/sys/dev/ata/ata-isa.c,v 1.4.2.1 2002/03/18 08:37:33 sos Exp $
  29  * $DragonFly: src/sys/dev/disk/ata/ata-isa.c,v 1.10 2006/10/25 20:55:53 dillon Exp $
  30  */
  31
  32 #include <sys/param.h>
  33 #include <sys/systm.h>
  34 #include <sys/kernel.h>
  35 #include <sys/disk.h>
  36 #include <sys/module.h>
  37 #include <sys/bus.h>
  38 #include <sys/buf.h>
  39 #include <sys/malloc.h>
  40 #include <sys/devicestat.h>
  41 #include <sys/sysctl.h>
  42 #include <sys/rman.h>
  43
  44 #include <machine/stdarg.h>
  45
  46 #include <bus/isa/isavar.h>
  47 #include "ata-all.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     {0}
  56 };
  57
  58 static int
  59 ata_isa_probe(device_t dev)
  60 {
  61     struct ata_channel *ch = device_get_softc(dev);
  62     struct resource *io;
  63     u_long tmp;
  64     int rid;
  65
  66     /* check isapnp ids */
  67     if (ISA_PNP_PROBE(device_get_parent(dev), dev, ata_ids) == ENXIO)
  68         return ENXIO;
  69
  70     /* allocate the io port range to get the start address */
  71     rid = ATA_IOADDR_RID;
  72     io = bus_alloc_resource(dev, SYS_RES_IOPORT, &rid, 0, ~0,
  73                             ATA_IOSIZE, RF_ACTIVE);
  74     if (!io)
  75         return ENOMEM;
  76
  77     /* set the altport range */
  78     if (bus_get_resource(dev, SYS_RES_IOPORT, ATA_ALTADDR_RID, &tmp, &tmp)) {
  79         bus_set_resource(dev, SYS_RES_IOPORT, ATA_ALTADDR_RID,
  80                          rman_get_start(io) + ATA_ALTOFFSET, ATA_ALTIOSIZE);
  81     }
  82
  83     bus_release_resource(dev, SYS_RES_IOPORT, rid, io);
  84     ch->unit = 0;
  85     ch->flags |= ATA_USE_16BIT;
  86     return ata_probe(dev);
  87 }
  88
  89 static device_method_t ata_isa_methods[] = {
  90     /* device interface */
  91     DEVMETHOD(device_probe,     ata_isa_probe),
  92     DEVMETHOD(device_attach,    ata_attach),
  93     DEVMETHOD(device_resume,    ata_resume),
  94     DEVMETHOD(device_suspend,   ata_suspend),
  95     { 0, 0 }
  96 };
  97
  98 static driver_t ata_isa_driver = {
  99     "ata",
 100     ata_isa_methods,
 101     sizeof(struct ata_channel),
 102 };
 103
 104 DRIVER_MODULE(ata, isa, ata_isa_driver, ata_devclass, 0, 0);
 105
 106 /*
 107  * the following is a bandaid to get ISA only setups to link,
 108  * since these are getting rare the ugliness is kept here
 109  */
 110 #include "use_pci.h"
 111 #if NPCI == 0
 112 int
 113 ata_dmaalloc(struct ata_device *ch, int flags)
 114 {
 115     return 0;
 116 }
 117
 118 void
 119 ata_dmafree(struct ata_device *atadev)
 120 {
 121 }
 122
 123 void
 124 ata_dmafreetags(struct ata_channel *ch)
 125 {
 126 }
 127
 128 void
 129 ata_dmainit(struct ata_device *atadev, int piomode, int wdmamode, int udmamode)
 130 {
 131 }
 132
 133 int
 134 ata_dmasetup(struct ata_device *atadev, caddr_t data, int32_t count)
 135 {
 136     return -1;
 137 }
 138
 139 int
 140 ata_dmastart(struct ata_device *atadev, caddr_t data, int32_t count, int dir)
 141 {
 142     return -1;
 143 }
 144
 145 int
 146 ata_dmadone(struct ata_device *atadev)
 147 {
 148     return -1;
 149 }
 150
 151 int
 152 ata_dmastatus(struct ata_channel *ch)
 153 {
 154     return -1;
 155 }
 156 #endif