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     dev_node_t          node;
  84     struct Scsi_Host    *host;
  85 } scsi_info_t;
  86
  87 static void aha152x_release_cs(struct pcmcia_device *link);
  88 static void aha152x_detach(struct pcmcia_device *p_dev);
  89 static int aha152x_config_cs(struct pcmcia_device *link);
  90
  91 static struct pcmcia_device *dev_list;
  92
  93 static int aha152x_probe(struct pcmcia_device *link)
  94 {
  95     scsi_info_t *info;
  96
  97     dev_dbg(&link->dev, "aha152x_attach()\n");
  98
  99     /* Create new SCSI device */
 100     info = kzalloc(sizeof(*info), GFP_KERNEL);
 101     if (!info) return -ENOMEM;
 102     info->p_dev = link;
 103     link->priv = info;
 104
 105     link->io.NumPorts1 = 0x20;
 106     link->io.Attributes1 = IO_DATA_PATH_WIDTH_AUTO;
 107     link->io.IOAddrLines = 10;
 108     link->irq.Attributes = IRQ_TYPE_DYNAMIC_SHARING;
 109     link->conf.Attributes = CONF_ENABLE_IRQ;
 110     link->conf.IntType = INT_MEMORY_AND_IO;
 111     link->conf.Present = PRESENT_OPTION;
 112
 113     return aha152x_config_cs(link);
 114 } /* aha152x_attach */
 115
 116 /*====================================================================*/
 117
 118 static void aha152x_detach(struct pcmcia_device *link)
 119 {
 120     dev_dbg(&link->dev, "aha152x_detach\n");
 121
 122     aha152x_release_cs(link);
 123
 124     /* Unlink device structure, free bits */
 125     kfree(link->priv);
 126 } /* aha152x_detach */
 127
 128 /*====================================================================*/
 129
 130 static int aha152x_config_check(struct pcmcia_device *p_dev,
 131                                 cistpl_cftable_entry_t *cfg,
 132                                 cistpl_cftable_entry_t *dflt,
 133                                 unsigned int vcc,
 134                                 void *priv_data)
 135 {
 136         /* For New Media T&J, look for a SCSI window */
 137         if (cfg->io.win[0].len >= 0x20)
 138                 p_dev->io.BasePort1 = cfg->io.win[0].base;
 139         else if ((cfg->io.nwin > 1) &&
 140                  (cfg->io.win[1].len >= 0x20))
 141                 p_dev->io.BasePort1 = cfg->io.win[1].base;
 142         if ((cfg->io.nwin > 0) &&
 143             (p_dev->io.BasePort1 < 0xffff)) {
 144                 if (!pcmcia_request_io(p_dev, &p_dev->io))
 145                         return 0;
 146         }
 147         return -EINVAL;
 148 }
 149
 150 static int aha152x_config_cs(struct pcmcia_device *link)
 151 {
 152     scsi_info_t *info = link->priv;
 153     struct aha152x_setup s;
 154     int ret;
 155     struct Scsi_Host *host;
 156
 157     dev_dbg(&link->dev, "aha152x_config\n");
 158
 159     ret = pcmcia_loop_config(link, aha152x_config_check, NULL);
 160     if (ret)
 161             goto failed;
 162
 163     ret = pcmcia_request_irq(link, &link->irq);
 164     if (ret)
 165             goto failed;
 166
 167     ret = pcmcia_request_configuration(link, &link->conf);
 168     if (ret)
 169             goto failed;
 170
 171     /* Set configuration options for the aha152x driver */
 172     memset(&s, 0, sizeof(s));
 173     s.conf        = "PCMCIA setup";
 174     s.io_port     = link->io.BasePort1;
 175     s.irq         = link->irq.AssignedIRQ;
 176     s.scsiid      = host_id;
 177     s.reconnect   = reconnect;
 178     s.parity      = parity;
 179     s.synchronous = synchronous;
 180     s.delay       = reset_delay;
 181     if (ext_trans)
 182         s.ext_trans = ext_trans;
 183
 184     host = aha152x_probe_one(&s);
 185     if (host == NULL) {
 186         printk(KERN_INFO "aha152x_cs: no SCSI devices found\n");
 187         goto failed;
 188     }
 189
 190     sprintf(info->node.dev_name, "scsi%d", host->host_no);
 191     link->dev_node = &info->node;
 192     info->host = host;
 193
 194     return 0;
 195
 196 failed:
 197     aha152x_release_cs(link);
 198     return -ENODEV;
 199 }
 200
 201 static void aha152x_release_cs(struct pcmcia_device *link)
 202 {
 203         scsi_info_t *info = link->priv;
 204
 205         aha152x_release(info->host);
 206         pcmcia_disable_device(link);
 207 }
 208
 209 static int aha152x_resume(struct pcmcia_device *link)
 210 {
 211         scsi_info_t *info = link->priv;
 212
 213         aha152x_host_reset_host(info->host);
 214
 215         return 0;
 216 }
 217
 218 static struct pcmcia_device_id aha152x_ids[] = {
 219         PCMCIA_DEVICE_PROD_ID123("New Media", "SCSI", "Bus Toaster", 0xcdf7e4cc, 0x35f26476, 0xa8851d6e),
 220         PCMCIA_DEVICE_PROD_ID123("NOTEWORTHY", "SCSI", "Bus Toaster", 0xad89c6e8, 0x35f26476, 0xa8851d6e),
 221         PCMCIA_DEVICE_PROD_ID12("Adaptec, Inc.", "APA-1460 SCSI Host Adapter", 0x24ba9738, 0x3a3c3d20),
 222         PCMCIA_DEVICE_PROD_ID12("New Media Corporation", "Multimedia Sound/SCSI", 0x085a850b, 0x80a6535c),
 223         PCMCIA_DEVICE_PROD_ID12("NOTEWORTHY", "NWCOMB02 SCSI/AUDIO COMBO CARD", 0xad89c6e8, 0x5f9a615b),
 224         PCMCIA_DEVICE_NULL,
 225 };
 226 MODULE_DEVICE_TABLE(pcmcia, aha152x_ids);
 227
 228 static struct pcmcia_driver aha152x_cs_driver = {
 229         .owner          = THIS_MODULE,
 230         .drv            = {
 231                 .name   = "aha152x_cs",
 232         },
 233         .probe          = aha152x_probe,
 234         .remove         = aha152x_detach,
 235         .id_table       = aha152x_ids,
 236         .resume         = aha152x_resume,
 237 };
 238
 239 static int __init init_aha152x_cs(void)
 240 {
 241         return pcmcia_register_driver(&aha152x_cs_driver);
 242 }
 243
 244 static void __exit exit_aha152x_cs(void)
 245 {
 246         pcmcia_unregister_driver(&aha152x_cs_driver);
 247         BUG_ON(dev_list != NULL);
 248 }
 249
 250 module_init(init_aha152x_cs);
 251 module_exit(exit_aha152x_cs);