drivers/scsi/pcmcia/aha152x_stub.c

   1 /*======================================================================
   2
   3     A driver for Adaptec AHA152X-compatible PCMCIA SCSI cards.
   4
   5     This driver supports the Adaptec AHA-1460, the New Media Bus
   6     Toaster, and the New Media Toast & Jam.
   7
   8     aha152x_cs.c 1.54 2000/06/12 21:27:25
   9
  10     The contents of this file are subject to the Mozilla Public
  11     License Version 1.1 (the "License"); you may not use this file
  12     except in compliance with the License. You may obtain a copy of
  13     the License at http://www.mozilla.org/MPL/
  14
  15     Software distributed under the License is distributed on an "AS
  16     IS" basis, WITHOUT WARRANTY OF ANY KIND, either express or
  17     implied. See the License for the specific language governing
  18     rights and limitations under the License.
  19
  20     The initial developer of the original code is David A. Hinds
  21     <dahinds@users.sourceforge.net>.  Portions created by David A. Hinds
  22     are Copyright (C) 1999 David A. Hinds.  All Rights Reserved.
  23
  24     Alternatively, the contents of this file may be used under the
  25     terms of the GNU General Public License version 2 (the "GPL"), in which
  26     case the provisions of the GPL are applicable instead of the
  27     above.  If you wish to allow the use of your version of this file
  28     only under the terms of the GPL and not to allow others to use
  29     your version of this file under the MPL, indicate your decision
  30     by deleting the provisions above and replace them with the notice
  31     and other provisions required by the GPL.  If you do not delete
  32     the provisions above, a recipient may use your version of this
  33     file under either the MPL or the GPL.
  34
  35 ======================================================================*/
  36
  37 #include <linux/module.h>
  38 #include <linux/init.h>
  39 #include <linux/kernel.h>
  40 #include <linux/slab.h>
  41 #include <linux/string.h>
  42 #include <linux/ioport.h>
  43 #include <linux/major.h>
  44 #include <linux/blkdev.h>
  45
  46 #include <scsi/scsi.h>
  47 #include <scsi/scsi_cmnd.h>
  48 #include <scsi/scsi_device.h>
  49 #include <scsi/scsi_eh.h>
  50 #include <scsi/scsi_host.h>
  51 #include <scsi/scsi_ioctl.h>
  52 #include <scsi/scsi_tcq.h>
  53 #include "aha152x.h"
  54
  55 #include <pcmcia/cistpl.h>
  56 #include <pcmcia/ds.h>
  57
  58
  59 /*====================================================================*/
  60
  61 /* Parameters that can be set with 'insmod' */
  62
  63 /* SCSI bus setup options */
  64 static int host_id = 7;
  65 static int reconnect = 1;
  66 static int parity = 1;
  67 static int synchronous = 1;
  68 static int reset_delay = 100;
  69 static int ext_trans = 0;
  70
  71 module_param(host_id, int, 0);
  72 module_param(reconnect, int, 0);
  73 module_param(parity, int, 0);
  74 module_param(synchronous, int, 0);
  75 module_param(reset_delay, int, 0);
  76 module_param(ext_trans, int, 0);
  77
  78 MODULE_DESCRIPTION("Adaptec AHA152X-compatible PCMCIA SCSI card driver");
  79 MODULE_LICENSE("Dual MPL/GPL");
  80
  81 /*====================================================================*/
  82
  83 typedef struct scsi_info_t {
  84         struct pcmcia_device    *p_dev;
  85     struct Scsi_Host    *host;
  86 } scsi_info_t;
  87
  88 static void aha152x_release_cs(struct pcmcia_device *link);
  89 static void aha152x_detach(struct pcmcia_device *p_dev);
  90 static int aha152x_config_cs(struct pcmcia_device *link);
  91
  92 static int aha152x_probe(struct pcmcia_device *link)
  93 {
  94     scsi_info_t *info;
  95
  96     dev_dbg(&link->dev, "aha152x_attach()\n");
  97
  98     /* Create new SCSI device */
  99     info = kzalloc(sizeof(*info), GFP_KERNEL);
 100     if (!info) return -ENOMEM;
 101     info->p_dev = link;
 102     link->priv = info;
 103
 104     link->config_flags |= CONF_ENABLE_IRQ | CONF_AUTO_SET_IO;
 105     link->config_regs = PRESENT_OPTION;
 106
 107     return aha152x_config_cs(link);
 108 } /* aha152x_attach */
 109
 110 /*====================================================================*/
 111
 112 static void aha152x_detach(struct pcmcia_device *link)
 113 {
 114     dev_dbg(&link->dev, "aha152x_detach\n");
 115
 116     aha152x_release_cs(link);
 117
 118     /* Unlink device structure, free bits */
 119     kfree(link->priv);
 120 } /* aha152x_detach */
 121
 122 /*====================================================================*/
 123
 124 static int aha152x_config_check(struct pcmcia_device *p_dev, void *priv_data)
 125 {
 126         p_dev->io_lines = 10;
 127
 128         /* For New Media T&J, look for a SCSI window */
 129         if ((p_dev->resource[0]->end < 0x20) &&
 130                 (p_dev->resource[1]->end >= 0x20))
 131                 p_dev->resource[0]->start = p_dev->resource[1]->start;
 132
 133         if (p_dev->resource[0]->start >= 0xffff)
 134                 return -EINVAL;
 135
 136         p_dev->resource[1]->start = p_dev->resource[1]->end = 0;
 137         p_dev->resource[0]->end = 0x20;
 138         p_dev->resource[0]->flags &= ~IO_DATA_PATH_WIDTH;
 139         p_dev->resource[0]->flags |= IO_DATA_PATH_WIDTH_AUTO;
 140
 141         return pcmcia_request_io(p_dev);
 142 }
 143
 144 static int aha152x_config_cs(struct pcmcia_device *link)
 145 {
 146     scsi_info_t *info = link->priv;
 147     struct aha152x_setup s;
 148     int ret;
 149     struct Scsi_Host *host;
 150
 151     dev_dbg(&link->dev, "aha152x_config\n");
 152
 153     ret = pcmcia_loop_config(link, aha152x_config_check, NULL);
 154     if (ret)
 155             goto failed;
 156
 157     if (!link->irq)
 158             goto failed;
 159
 160     ret = pcmcia_enable_device(link);
 161     if (ret)
 162             goto failed;
 163
 164     /* Set configuration options for the aha152x driver */
 165     memset(&s, 0, sizeof(s));
 166     s.conf        = "PCMCIA setup";
 167     s.io_port     = link->resource[0]->start;
 168     s.irq         = link->irq;
 169     s.scsiid      = host_id;
 170     s.reconnect   = reconnect;
 171     s.parity      = parity;
 172     s.synchronous = synchronous;
 173     s.delay       = reset_delay;
 174     if (ext_trans)
 175         s.ext_trans = ext_trans;
 176
 177     host = aha152x_probe_one(&s);
 178     if (host == NULL) {
 179         printk(KERN_INFO "aha152x_cs: no SCSI devices found\n");
 180         goto failed;
 181     }
 182
 183     info->host = host;
 184
 185     return 0;
 186
 187 failed:
 188     aha152x_release_cs(link);
 189     return -ENODEV;
 190 }
 191
 192 static void aha152x_release_cs(struct pcmcia_device *link)
 193 {
 194         scsi_info_t *info = link->priv;
 195
 196         aha152x_release(info->host);
 197         pcmcia_disable_device(link);
 198 }
 199
 200 static int aha152x_resume(struct pcmcia_device *link)
 201 {
 202         scsi_info_t *info = link->priv;
 203
 204         aha152x_host_reset_host(info->host);
 205
 206         return 0;
 207 }
 208
 209 static const struct pcmcia_device_id aha152x_ids[] = {
 210         PCMCIA_DEVICE_PROD_ID123("New Media", "SCSI", "Bus Toaster", 0xcdf7e4cc, 0x35f26476, 0xa8851d6e),
 211         PCMCIA_DEVICE_PROD_ID123("NOTEWORTHY", "SCSI", "Bus Toaster", 0xad89c6e8, 0x35f26476, 0xa8851d6e),
 212         PCMCIA_DEVICE_PROD_ID12("Adaptec, Inc.", "APA-1460 SCSI Host Adapter", 0x24ba9738, 0x3a3c3d20),
 213         PCMCIA_DEVICE_PROD_ID12("New Media Corporation", "Multimedia Sound/SCSI", 0x085a850b, 0x80a6535c),
 214         PCMCIA_DEVICE_PROD_ID12("NOTEWORTHY", "NWCOMB02 SCSI/AUDIO COMBO CARD", 0xad89c6e8, 0x5f9a615b),
 215         PCMCIA_DEVICE_NULL,
 216 };
 217 MODULE_DEVICE_TABLE(pcmcia, aha152x_ids);
 218
 219 static struct pcmcia_driver aha152x_cs_driver = {
 220         .owner          = THIS_MODULE,
 221         .name           = "aha152x_cs",
 222         .probe          = aha152x_probe,
 223         .remove         = aha152x_detach,
 224         .id_table       = aha152x_ids,
 225         .resume         = aha152x_resume,
 226 };
 227 module_pcmcia_driver(aha152x_cs_driver);