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 <scsi/scsi.h>
  44 #include <linux/major.h>
  45 #include <linux/blkdev.h>
  46 #include <scsi/scsi_ioctl.h>
  47
  48 #include "scsi.h"
  49 #include <scsi/scsi_host.h>
  50 #include "aha152x.h"
  51
  52 #include <pcmcia/cs.h>
  53 #include <pcmcia/cistpl.h>
  54 #include <pcmcia/ds.h>
  55
  56
  57 /*====================================================================*/
  58
  59 /* Parameters that can be set with 'insmod' */
  60
  61 /* SCSI bus setup options */
  62 static int host_id = 7;
  63 static int reconnect = 1;
  64 static int parity = 1;
  65 static int synchronous = 1;
  66 static int reset_delay = 100;
  67 static int ext_trans = 0;
  68
  69 module_param(host_id, int, 0);
  70 module_param(reconnect, int, 0);
  71 module_param(parity, int, 0);
  72 module_param(synchronous, int, 0);
  73 module_param(reset_delay, int, 0);
  74 module_param(ext_trans, int, 0);
  75
  76 MODULE_LICENSE("Dual MPL/GPL");
  77
  78 /*====================================================================*/
  79
  80 typedef struct scsi_info_t {
  81         struct pcmcia_device    *p_dev;
  82     struct Scsi_Host    *host;
  83 } scsi_info_t;
  84
  85 static void aha152x_release_cs(struct pcmcia_device *link);
  86 static void aha152x_detach(struct pcmcia_device *p_dev);
  87 static int aha152x_config_cs(struct pcmcia_device *link);
  88
  89 static struct pcmcia_device *dev_list;
  90
  91 static int aha152x_probe(struct pcmcia_device *link)
  92 {
  93     scsi_info_t *info;
  94
  95     dev_dbg(&link->dev, "aha152x_attach()\n");
  96
  97     /* Create new SCSI device */
  98     info = kzalloc(sizeof(*info), GFP_KERNEL);
  99     if (!info) return -ENOMEM;
 100     info->p_dev = link;
 101     link->priv = info;
 102
 103     link->resource[0]->end = 0x20;
 104     link->resource[0]->flags |= IO_DATA_PATH_WIDTH_AUTO;
 105     link->conf.Attributes = CONF_ENABLE_IRQ;
 106     link->conf.Present = PRESENT_OPTION;
 107
 108     return aha152x_config_cs(link);
 109 } /* aha152x_attach */
 110
 111 /*====================================================================*/
 112
 113 static void aha152x_detach(struct pcmcia_device *link)
 114 {
 115     dev_dbg(&link->dev, "aha152x_detach\n");
 116
 117     aha152x_release_cs(link);
 118
 119     /* Unlink device structure, free bits */
 120     kfree(link->priv);
 121 } /* aha152x_detach */
 122
 123 /*====================================================================*/
 124
 125 static int aha152x_config_check(struct pcmcia_device *p_dev,
 126                                 cistpl_cftable_entry_t *cfg,
 127                                 cistpl_cftable_entry_t *dflt,
 128                                 unsigned int vcc,
 129                                 void *priv_data)
 130 {
 131         p_dev->io_lines = 10;
 132         /* For New Media T&J, look for a SCSI window */
 133         if (cfg->io.win[0].len >= 0x20)
 134                 p_dev->resource[0]->start = cfg->io.win[0].base;
 135         else if ((cfg->io.nwin > 1) &&
 136                  (cfg->io.win[1].len >= 0x20))
 137                 p_dev->resource[0]->start = cfg->io.win[1].base;
 138         if ((cfg->io.nwin > 0) &&
 139             (p_dev->resource[0]->start < 0xffff)) {
 140                 if (!pcmcia_request_io(p_dev))
 141                         return 0;
 142         }
 143         return -EINVAL;
 144 }
 145
 146 static int aha152x_config_cs(struct pcmcia_device *link)
 147 {
 148     scsi_info_t *info = link->priv;
 149     struct aha152x_setup s;
 150     int ret;
 151     struct Scsi_Host *host;
 152
 153     dev_dbg(&link->dev, "aha152x_config\n");
 154
 155     ret = pcmcia_loop_config(link, aha152x_config_check, NULL);
 156     if (ret)
 157             goto failed;
 158
 159     if (!link->irq)
 160             goto failed;
 161
 162     ret = pcmcia_request_configuration(link, &link->conf);
 163     if (ret)
 164             goto failed;
 165
 166     /* Set configuration options for the aha152x driver */
 167     memset(&s, 0, sizeof(s));
 168     s.conf        = "PCMCIA setup";
 169     s.io_port     = link->resource[0]->start;
 170     s.irq         = link->irq;
 171     s.scsiid      = host_id;
 172     s.reconnect   = reconnect;
 173     s.parity      = parity;
 174     s.synchronous = synchronous;
 175     s.delay       = reset_delay;
 176     if (ext_trans)
 177         s.ext_trans = ext_trans;
 178
 179     host = aha152x_probe_one(&s);
 180     if (host == NULL) {
 181         printk(KERN_INFO "aha152x_cs: no SCSI devices found\n");
 182         goto failed;
 183     }
 184
 185     info->host = host;
 186
 187     return 0;
 188
 189 failed:
 190     aha152x_release_cs(link);
 191     return -ENODEV;
 192 }
 193
 194 static void aha152x_release_cs(struct pcmcia_device *link)
 195 {
 196         scsi_info_t *info = link->priv;
 197
 198         aha152x_release(info->host);
 199         pcmcia_disable_device(link);
 200 }
 201
 202 static int aha152x_resume(struct pcmcia_device *link)
 203 {
 204         scsi_info_t *info = link->priv;
 205
 206         aha152x_host_reset_host(info->host);
 207
 208         return 0;
 209 }
 210
 211 static struct pcmcia_device_id aha152x_ids[] = {
 212         PCMCIA_DEVICE_PROD_ID123("New Media", "SCSI", "Bus Toaster", 0xcdf7e4cc, 0x35f26476, 0xa8851d6e),
 213         PCMCIA_DEVICE_PROD_ID123("NOTEWORTHY", "SCSI", "Bus Toaster", 0xad89c6e8, 0x35f26476, 0xa8851d6e),
 214         PCMCIA_DEVICE_PROD_ID12("Adaptec, Inc.", "APA-1460 SCSI Host Adapter", 0x24ba9738, 0x3a3c3d20),
 215         PCMCIA_DEVICE_PROD_ID12("New Media Corporation", "Multimedia Sound/SCSI", 0x085a850b, 0x80a6535c),
 216         PCMCIA_DEVICE_PROD_ID12("NOTEWORTHY", "NWCOMB02 SCSI/AUDIO COMBO CARD", 0xad89c6e8, 0x5f9a615b),
 217         PCMCIA_DEVICE_NULL,
 218 };
 219 MODULE_DEVICE_TABLE(pcmcia, aha152x_ids);
 220
 221 static struct pcmcia_driver aha152x_cs_driver = {
 222         .owner          = THIS_MODULE,
 223         .drv            = {
 224                 .name   = "aha152x_cs",
 225         },
 226         .probe          = aha152x_probe,
 227         .remove         = aha152x_detach,
 228         .id_table       = aha152x_ids,
 229         .resume         = aha152x_resume,
 230 };
 231
 232 static int __init init_aha152x_cs(void)
 233 {
 234         return pcmcia_register_driver(&aha152x_cs_driver);
 235 }
 236
 237 static void __exit exit_aha152x_cs(void)
 238 {
 239         pcmcia_unregister_driver(&aha152x_cs_driver);
 240         BUG_ON(dev_list != NULL);
 241 }
 242
 243 module_init(init_aha152x_cs);
 244 module_exit(exit_aha152x_cs);