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_types.h>
  53 #include <pcmcia/cs.h>
  54 #include <pcmcia/cistpl.h>
  55 #include <pcmcia/ds.h>
  56
  57
  58 /*====================================================================*/
  59
  60 /* Parameters that can be set with 'insmod' */
  61
  62 /* SCSI bus setup options */
  63 static int host_id = 7;
  64 static int reconnect = 1;
  65 static int parity = 1;
  66 static int synchronous = 1;
  67 static int reset_delay = 100;
  68 static int ext_trans = 0;
  69
  70 module_param(host_id, int, 0);
  71 module_param(reconnect, int, 0);
  72 module_param(parity, int, 0);
  73 module_param(synchronous, int, 0);
  74 module_param(reset_delay, int, 0);
  75 module_param(ext_trans, int, 0);
  76
  77 MODULE_LICENSE("Dual MPL/GPL");
  78
  79 /*====================================================================*/
  80
  81 typedef struct scsi_info_t {
  82         struct pcmcia_device    *p_dev;
  83     struct Scsi_Host    *host;
  84 } scsi_info_t;
  85
  86 static void aha152x_release_cs(struct pcmcia_device *link);
  87 static void aha152x_detach(struct pcmcia_device *p_dev);
  88 static int aha152x_config_cs(struct pcmcia_device *link);
  89
  90 static struct pcmcia_device *dev_list;
  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->io.NumPorts1 = 0x20;
 105     link->io.Attributes1 = IO_DATA_PATH_WIDTH_AUTO;
 106     link->io.IOAddrLines = 10;
 107     link->conf.Attributes = CONF_ENABLE_IRQ;
 108     link->conf.IntType = INT_MEMORY_AND_IO;
 109     link->conf.Present = PRESENT_OPTION;
 110
 111     return aha152x_config_cs(link);
 112 } /* aha152x_attach */
 113
 114 /*====================================================================*/
 115
 116 static void aha152x_detach(struct pcmcia_device *link)
 117 {
 118     dev_dbg(&link->dev, "aha152x_detach\n");
 119
 120     aha152x_release_cs(link);
 121
 122     /* Unlink device structure, free bits */
 123     kfree(link->priv);
 124 } /* aha152x_detach */
 125
 126 /*====================================================================*/
 127
 128 static int aha152x_config_check(struct pcmcia_device *p_dev,
 129                                 cistpl_cftable_entry_t *cfg,
 130                                 cistpl_cftable_entry_t *dflt,
 131                                 unsigned int vcc,
 132                                 void *priv_data)
 133 {
 134         /* For New Media T&J, look for a SCSI window */
 135         if (cfg->io.win[0].len >= 0x20)
 136                 p_dev->io.BasePort1 = cfg->io.win[0].base;
 137         else if ((cfg->io.nwin > 1) &&
 138                  (cfg->io.win[1].len >= 0x20))
 139                 p_dev->io.BasePort1 = cfg->io.win[1].base;
 140         if ((cfg->io.nwin > 0) &&
 141             (p_dev->io.BasePort1 < 0xffff)) {
 142                 if (!pcmcia_request_io(p_dev, &p_dev->io))
 143                         return 0;
 144         }
 145         return -EINVAL;
 146 }
 147
 148 static int aha152x_config_cs(struct pcmcia_device *link)
 149 {
 150     scsi_info_t *info = link->priv;
 151     struct aha152x_setup s;
 152     int ret;
 153     struct Scsi_Host *host;
 154
 155     dev_dbg(&link->dev, "aha152x_config\n");
 156
 157     ret = pcmcia_loop_config(link, aha152x_config_check, NULL);
 158     if (ret)
 159             goto failed;
 160
 161     if (!link->irq)
 162             goto failed;
 163
 164     ret = pcmcia_request_configuration(link, &link->conf);
 165     if (ret)
 166             goto failed;
 167
 168     /* Set configuration options for the aha152x driver */
 169     memset(&s, 0, sizeof(s));
 170     s.conf        = "PCMCIA setup";
 171     s.io_port     = link->io.BasePort1;
 172     s.irq         = link->irq;
 173     s.scsiid      = host_id;
 174     s.reconnect   = reconnect;
 175     s.parity      = parity;
 176     s.synchronous = synchronous;
 177     s.delay       = reset_delay;
 178     if (ext_trans)
 179         s.ext_trans = ext_trans;
 180
 181     host = aha152x_probe_one(&s);
 182     if (host == NULL) {
 183         printk(KERN_INFO "aha152x_cs: no SCSI devices found\n");
 184         goto failed;
 185     }
 186
 187     info->host = host;
 188
 189     return 0;
 190
 191 failed:
 192     aha152x_release_cs(link);
 193     return -ENODEV;
 194 }
 195
 196 static void aha152x_release_cs(struct pcmcia_device *link)
 197 {
 198         scsi_info_t *info = link->priv;
 199
 200         aha152x_release(info->host);
 201         pcmcia_disable_device(link);
 202 }
 203
 204 static int aha152x_resume(struct pcmcia_device *link)
 205 {
 206         scsi_info_t *info = link->priv;
 207
 208         aha152x_host_reset_host(info->host);
 209
 210         return 0;
 211 }
 212
 213 static struct pcmcia_device_id aha152x_ids[] = {
 214         PCMCIA_DEVICE_PROD_ID123("New Media", "SCSI", "Bus Toaster", 0xcdf7e4cc, 0x35f26476, 0xa8851d6e),
 215         PCMCIA_DEVICE_PROD_ID123("NOTEWORTHY", "SCSI", "Bus Toaster", 0xad89c6e8, 0x35f26476, 0xa8851d6e),
 216         PCMCIA_DEVICE_PROD_ID12("Adaptec, Inc.", "APA-1460 SCSI Host Adapter", 0x24ba9738, 0x3a3c3d20),
 217         PCMCIA_DEVICE_PROD_ID12("New Media Corporation", "Multimedia Sound/SCSI", 0x085a850b, 0x80a6535c),
 218         PCMCIA_DEVICE_PROD_ID12("NOTEWORTHY", "NWCOMB02 SCSI/AUDIO COMBO CARD", 0xad89c6e8, 0x5f9a615b),
 219         PCMCIA_DEVICE_NULL,
 220 };
 221 MODULE_DEVICE_TABLE(pcmcia, aha152x_ids);
 222
 223 static struct pcmcia_driver aha152x_cs_driver = {
 224         .owner          = THIS_MODULE,
 225         .drv            = {
 226                 .name   = "aha152x_cs",
 227         },
 228         .probe          = aha152x_probe,
 229         .remove         = aha152x_detach,
 230         .id_table       = aha152x_ids,
 231         .resume         = aha152x_resume,
 232 };
 233
 234 static int __init init_aha152x_cs(void)
 235 {
 236         return pcmcia_register_driver(&aha152x_cs_driver);
 237 }
 238
 239 static void __exit exit_aha152x_cs(void)
 240 {
 241         pcmcia_unregister_driver(&aha152x_cs_driver);
 242         BUG_ON(dev_list != NULL);
 243 }
 244
 245 module_init(init_aha152x_cs);
 246 module_exit(exit_aha152x_cs);