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     link->state |= DEV_PRESENT | DEV_CONFIG_PENDING;
 126     return aha152x_config_cs(link);
 127 } /* aha152x_attach */
 128
 129 /*====================================================================*/
 130
 131 static void aha152x_detach(struct pcmcia_device *link)
 132 {
 133     DEBUG(0, "aha152x_detach(0x%p)\n", link);
 134
 135     if (link->state & DEV_CONFIG)
 136         aha152x_release_cs(link);
 137
 138     /* Unlink device structure, free bits */
 139     kfree(link->priv);
 140 } /* aha152x_detach */
 141
 142 /*====================================================================*/
 143
 144 #define CS_CHECK(fn, ret) \
 145 do { last_fn = (fn); if ((last_ret = (ret)) != 0) goto cs_failed; } while (0)
 146
 147 static int aha152x_config_cs(struct pcmcia_device *link)
 148 {
 149     scsi_info_t *info = link->priv;
 150     struct aha152x_setup s;
 151     tuple_t tuple;
 152     cisparse_t parse;
 153     int i, last_ret, last_fn;
 154     u_char tuple_data[64];
 155     struct Scsi_Host *host;
 156
 157     DEBUG(0, "aha152x_config(0x%p)\n", link);
 158
 159     tuple.DesiredTuple = CISTPL_CONFIG;
 160     tuple.TupleData = tuple_data;
 161     tuple.TupleDataMax = 64;
 162     tuple.TupleOffset = 0;
 163     CS_CHECK(GetFirstTuple, pcmcia_get_first_tuple(link, &tuple));
 164     CS_CHECK(GetTupleData, pcmcia_get_tuple_data(link, &tuple));
 165     CS_CHECK(ParseTuple, pcmcia_parse_tuple(link, &tuple, &parse));
 166     link->conf.ConfigBase = parse.config.base;
 167
 168     /* Configure card */
 169     link->state |= DEV_CONFIG;
 170
 171     tuple.DesiredTuple = CISTPL_CFTABLE_ENTRY;
 172     CS_CHECK(GetFirstTuple, pcmcia_get_first_tuple(link, &tuple));
 173     while (1) {
 174         if (pcmcia_get_tuple_data(link, &tuple) != 0 ||
 175                 pcmcia_parse_tuple(link, &tuple, &parse) != 0)
 176             goto next_entry;
 177         /* For New Media T&J, look for a SCSI window */
 178         if (parse.cftable_entry.io.win[0].len >= 0x20)
 179             link->io.BasePort1 = parse.cftable_entry.io.win[0].base;
 180         else if ((parse.cftable_entry.io.nwin > 1) &&
 181                  (parse.cftable_entry.io.win[1].len >= 0x20))
 182             link->io.BasePort1 = parse.cftable_entry.io.win[1].base;
 183         if ((parse.cftable_entry.io.nwin > 0) &&
 184             (link->io.BasePort1 < 0xffff)) {
 185             link->conf.ConfigIndex = parse.cftable_entry.index;
 186             i = pcmcia_request_io(link, &link->io);
 187             if (i == CS_SUCCESS) break;
 188         }
 189     next_entry:
 190         CS_CHECK(GetNextTuple, pcmcia_get_next_tuple(link, &tuple));
 191     }
 192
 193     CS_CHECK(RequestIRQ, pcmcia_request_irq(link, &link->irq));
 194     CS_CHECK(RequestConfiguration, pcmcia_request_configuration(link, &link->conf));
 195
 196     /* Set configuration options for the aha152x driver */
 197     memset(&s, 0, sizeof(s));
 198     s.conf        = "PCMCIA setup";
 199     s.io_port     = link->io.BasePort1;
 200     s.irq         = link->irq.AssignedIRQ;
 201     s.scsiid      = host_id;
 202     s.reconnect   = reconnect;
 203     s.parity      = parity;
 204     s.synchronous = synchronous;
 205     s.delay       = reset_delay;
 206     if (ext_trans)
 207         s.ext_trans = ext_trans;
 208
 209     host = aha152x_probe_one(&s);
 210     if (host == NULL) {
 211         printk(KERN_INFO "aha152x_cs: no SCSI devices found\n");
 212         goto cs_failed;
 213     }
 214
 215     sprintf(info->node.dev_name, "scsi%d", host->host_no);
 216     link->dev_node = &info->node;
 217     info->host = host;
 218
 219     link->state &= ~DEV_CONFIG_PENDING;
 220     return 0;
 221
 222 cs_failed:
 223     cs_error(link, last_fn, last_ret);
 224     aha152x_release_cs(link);
 225     return -ENODEV;
 226 }
 227
 228 static void aha152x_release_cs(struct pcmcia_device *link)
 229 {
 230         scsi_info_t *info = link->priv;
 231
 232         aha152x_release(info->host);
 233         pcmcia_disable_device(link);
 234 }
 235
 236 static int aha152x_resume(struct pcmcia_device *link)
 237 {
 238         scsi_info_t *info = link->priv;
 239
 240         aha152x_host_reset_host(info->host);
 241
 242         return 0;
 243 }
 244
 245 static struct pcmcia_device_id aha152x_ids[] = {
 246         PCMCIA_DEVICE_PROD_ID123("New Media", "SCSI", "Bus Toaster", 0xcdf7e4cc, 0x35f26476, 0xa8851d6e),
 247         PCMCIA_DEVICE_PROD_ID123("NOTEWORTHY", "SCSI", "Bus Toaster", 0xad89c6e8, 0x35f26476, 0xa8851d6e),
 248         PCMCIA_DEVICE_PROD_ID12("Adaptec, Inc.", "APA-1460 SCSI Host Adapter", 0x24ba9738, 0x3a3c3d20),
 249         PCMCIA_DEVICE_PROD_ID12("New Media Corporation", "Multimedia Sound/SCSI", 0x085a850b, 0x80a6535c),
 250         PCMCIA_DEVICE_PROD_ID12("NOTEWORTHY", "NWCOMB02 SCSI/AUDIO COMBO CARD", 0xad89c6e8, 0x5f9a615b),
 251         PCMCIA_DEVICE_NULL,
 252 };
 253 MODULE_DEVICE_TABLE(pcmcia, aha152x_ids);
 254
 255 static struct pcmcia_driver aha152x_cs_driver = {
 256         .owner          = THIS_MODULE,
 257         .drv            = {
 258                 .name   = "aha152x_cs",
 259         },
 260         .probe          = aha152x_probe,
 261         .remove         = aha152x_detach,
 262         .id_table       = aha152x_ids,
 263         .resume         = aha152x_resume,
 264 };
 265
 266 static int __init init_aha152x_cs(void)
 267 {
 268         return pcmcia_register_driver(&aha152x_cs_driver);
 269 }
 270
 271 static void __exit exit_aha152x_cs(void)
 272 {
 273         pcmcia_unregister_driver(&aha152x_cs_driver);
 274         BUG_ON(dev_list != NULL);
 275 }
 276
 277 module_init(init_aha152x_cs);
 278 module_exit(exit_aha152x_cs);