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/sched.h>
  41 #include <linux/slab.h>
  42 #include <linux/string.h>
  43 #include <linux/ioport.h>
  44 #include <scsi/scsi.h>
  45 #include <linux/major.h>
  46 #include <linux/blkdev.h>
  47 #include <scsi/scsi_ioctl.h>
  48
  49 #include "scsi.h"
  50 #include <scsi/scsi_host.h>
  51 #include "aha152x.h"
  52
  53 #include <pcmcia/cs_types.h>
  54 #include <pcmcia/cs.h>
  55 #include <pcmcia/cistpl.h>
  56 #include <pcmcia/ds.h>
  57
  58 #ifdef PCMCIA_DEBUG
  59 static int pc_debug = PCMCIA_DEBUG;
  60 module_param(pc_debug, int, 0644);
  61 #define DEBUG(n, args...) if (pc_debug>(n)) printk(KERN_DEBUG args)
  62 static char *version =
  63 "aha152x_cs.c 1.54 2000/06/12 21:27:25 (David Hinds)";
  64 #else
  65 #define DEBUG(n, args...)
  66 #endif
  67
  68 /*====================================================================*/
  69
  70 /* Parameters that can be set with 'insmod' */
  71
  72 /* SCSI bus setup options */
  73 static int host_id = 7;
  74 static int reconnect = 1;
  75 static int parity = 1;
  76 static int synchronous = 1;
  77 static int reset_delay = 100;
  78 static int ext_trans = 0;
  79
  80 module_param(host_id, int, 0);
  81 module_param(reconnect, int, 0);
  82 module_param(parity, int, 0);
  83 module_param(synchronous, int, 0);
  84 module_param(reset_delay, int, 0);
  85 module_param(ext_trans, int, 0);
  86
  87 MODULE_LICENSE("Dual MPL/GPL");
  88
  89 /*====================================================================*/
  90
  91 typedef struct scsi_info_t {
  92         struct pcmcia_device    *p_dev;
  93     dev_node_t          node;
  94     struct Scsi_Host    *host;
  95 } scsi_info_t;
  96
  97 static void aha152x_release_cs(struct pcmcia_device *link);
  98 static void aha152x_detach(struct pcmcia_device *p_dev);
  99 static int aha152x_config_cs(struct pcmcia_device *link);
 100
 101 static struct pcmcia_device *dev_list;
 102
 103 static int aha152x_probe(struct pcmcia_device *link)
 104 {
 105     scsi_info_t *info;
 106
 107     DEBUG(0, "aha152x_attach()\n");
 108
 109     /* Create new SCSI device */
 110     info = kmalloc(sizeof(*info), GFP_KERNEL);
 111     if (!info) return -ENOMEM;
 112     memset(info, 0, sizeof(*info));
 113     info->p_dev = link;
 114     link->priv = info;
 115
 116     link->io.NumPorts1 = 0x20;
 117     link->io.Attributes1 = IO_DATA_PATH_WIDTH_AUTO;
 118     link->io.IOAddrLines = 10;
 119     link->irq.Attributes = IRQ_TYPE_EXCLUSIVE;
 120     link->irq.IRQInfo1 = IRQ_LEVEL_ID;
 121     link->conf.Attributes = CONF_ENABLE_IRQ;
 122     link->conf.IntType = INT_MEMORY_AND_IO;
 123     link->conf.Present = PRESENT_OPTION;
 124
 125     return aha152x_config_cs(link);
 126 } /* aha152x_attach */
 127
 128 /*====================================================================*/
 129
 130 static void aha152x_detach(struct pcmcia_device *link)
 131 {
 132     DEBUG(0, "aha152x_detach(0x%p)\n", link);
 133
 134     aha152x_release_cs(link);
 135
 136     /* Unlink device structure, free bits */
 137     kfree(link->priv);
 138 } /* aha152x_detach */
 139
 140 /*====================================================================*/
 141
 142 #define CS_CHECK(fn, ret) \
 143 do { last_fn = (fn); if ((last_ret = (ret)) != 0) goto cs_failed; } while (0)
 144
 145 static int aha152x_config_cs(struct pcmcia_device *link)
 146 {
 147     scsi_info_t *info = link->priv;
 148     struct aha152x_setup s;
 149     tuple_t tuple;
 150     cisparse_t parse;
 151     int i, last_ret, last_fn;
 152     u_char tuple_data[64];
 153     struct Scsi_Host *host;
 154
 155     DEBUG(0, "aha152x_config(0x%p)\n", link);
 156
 157     tuple.DesiredTuple = CISTPL_CONFIG;
 158     tuple.TupleData = tuple_data;
 159     tuple.TupleDataMax = 64;
 160     tuple.TupleOffset = 0;
 161     CS_CHECK(GetFirstTuple, pcmcia_get_first_tuple(link, &tuple));
 162     CS_CHECK(GetTupleData, pcmcia_get_tuple_data(link, &tuple));
 163     CS_CHECK(ParseTuple, pcmcia_parse_tuple(link, &tuple, &parse));
 164     link->conf.ConfigBase = parse.config.base;
 165
 166     tuple.DesiredTuple = CISTPL_CFTABLE_ENTRY;
 167     CS_CHECK(GetFirstTuple, pcmcia_get_first_tuple(link, &tuple));
 168     while (1) {
 169         if (pcmcia_get_tuple_data(link, &tuple) != 0 ||
 170                 pcmcia_parse_tuple(link, &tuple, &parse) != 0)
 171             goto next_entry;
 172         /* For New Media T&J, look for a SCSI window */
 173         if (parse.cftable_entry.io.win[0].len >= 0x20)
 174             link->io.BasePort1 = parse.cftable_entry.io.win[0].base;
 175         else if ((parse.cftable_entry.io.nwin > 1) &&
 176                  (parse.cftable_entry.io.win[1].len >= 0x20))
 177             link->io.BasePort1 = parse.cftable_entry.io.win[1].base;
 178         if ((parse.cftable_entry.io.nwin > 0) &&
 179             (link->io.BasePort1 < 0xffff)) {
 180             link->conf.ConfigIndex = parse.cftable_entry.index;
 181             i = pcmcia_request_io(link, &link->io);
 182             if (i == CS_SUCCESS) break;
 183         }
 184     next_entry:
 185         CS_CHECK(GetNextTuple, pcmcia_get_next_tuple(link, &tuple));
 186     }
 187
 188     CS_CHECK(RequestIRQ, pcmcia_request_irq(link, &link->irq));
 189     CS_CHECK(RequestConfiguration, pcmcia_request_configuration(link, &link->conf));
 190
 191     /* Set configuration options for the aha152x driver */
 192     memset(&s, 0, sizeof(s));
 193     s.conf        = "PCMCIA setup";
 194     s.io_port     = link->io.BasePort1;
 195     s.irq         = link->irq.AssignedIRQ;
 196     s.scsiid      = host_id;
 197     s.reconnect   = reconnect;
 198     s.parity      = parity;
 199     s.synchronous = synchronous;
 200     s.delay       = reset_delay;
 201     if (ext_trans)
 202         s.ext_trans = ext_trans;
 203
 204     host = aha152x_probe_one(&s);
 205     if (host == NULL) {
 206         printk(KERN_INFO "aha152x_cs: no SCSI devices found\n");
 207         goto cs_failed;
 208     }
 209
 210     sprintf(info->node.dev_name, "scsi%d", host->host_no);
 211     link->dev_node = &info->node;
 212     info->host = host;
 213
 214     return 0;
 215
 216 cs_failed:
 217     cs_error(link, last_fn, last_ret);
 218     aha152x_release_cs(link);
 219     return -ENODEV;
 220 }
 221
 222 static void aha152x_release_cs(struct pcmcia_device *link)
 223 {
 224         scsi_info_t *info = link->priv;
 225
 226         aha152x_release(info->host);
 227         pcmcia_disable_device(link);
 228 }
 229
 230 static int aha152x_resume(struct pcmcia_device *link)
 231 {
 232         scsi_info_t *info = link->priv;
 233
 234         aha152x_host_reset_host(info->host);
 235
 236         return 0;
 237 }
 238
 239 static struct pcmcia_device_id aha152x_ids[] = {
 240         PCMCIA_DEVICE_PROD_ID123("New Media", "SCSI", "Bus Toaster", 0xcdf7e4cc, 0x35f26476, 0xa8851d6e),
 241         PCMCIA_DEVICE_PROD_ID123("NOTEWORTHY", "SCSI", "Bus Toaster", 0xad89c6e8, 0x35f26476, 0xa8851d6e),
 242         PCMCIA_DEVICE_PROD_ID12("Adaptec, Inc.", "APA-1460 SCSI Host Adapter", 0x24ba9738, 0x3a3c3d20),
 243         PCMCIA_DEVICE_PROD_ID12("New Media Corporation", "Multimedia Sound/SCSI", 0x085a850b, 0x80a6535c),
 244         PCMCIA_DEVICE_PROD_ID12("NOTEWORTHY", "NWCOMB02 SCSI/AUDIO COMBO CARD", 0xad89c6e8, 0x5f9a615b),
 245         PCMCIA_DEVICE_NULL,
 246 };
 247 MODULE_DEVICE_TABLE(pcmcia, aha152x_ids);
 248
 249 static struct pcmcia_driver aha152x_cs_driver = {
 250         .owner          = THIS_MODULE,
 251         .drv            = {
 252                 .name   = "aha152x_cs",
 253         },
 254         .probe          = aha152x_probe,
 255         .remove         = aha152x_detach,
 256         .id_table       = aha152x_ids,
 257         .resume         = aha152x_resume,
 258 };
 259
 260 static int __init init_aha152x_cs(void)
 261 {
 262         return pcmcia_register_driver(&aha152x_cs_driver);
 263 }
 264
 265 static void __exit exit_aha152x_cs(void)
 266 {
 267         pcmcia_unregister_driver(&aha152x_cs_driver);
 268         BUG_ON(dev_list != NULL);
 269 }
 270
 271 module_init(init_aha152x_cs);
 272 module_exit(exit_aha152x_cs);