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