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 = kmalloc(sizeof(*info), GFP_KERNEL);
 110     if (!info) return -ENOMEM;
 111     memset(info, 0, sizeof(*info));
 112     info->p_dev = link;
 113     link->priv = info;
 114
 115     link->io.NumPorts1 = 0x20;
 116     link->io.Attributes1 = IO_DATA_PATH_WIDTH_AUTO;
 117     link->io.IOAddrLines = 10;
 118     link->irq.Attributes = IRQ_TYPE_EXCLUSIVE;
 119     link->irq.IRQInfo1 = IRQ_LEVEL_ID;
 120     link->conf.Attributes = CONF_ENABLE_IRQ;
 121     link->conf.IntType = INT_MEMORY_AND_IO;
 122     link->conf.Present = PRESENT_OPTION;
 123
 124     return aha152x_config_cs(link);
 125 } /* aha152x_attach */
 126
 127 /*====================================================================*/
 128
 129 static void aha152x_detach(struct pcmcia_device *link)
 130 {
 131     DEBUG(0, "aha152x_detach(0x%p)\n", link);
 132
 133     aha152x_release_cs(link);
 134
 135     /* Unlink device structure, free bits */
 136     kfree(link->priv);
 137 } /* aha152x_detach */
 138
 139 /*====================================================================*/
 140
 141 #define CS_CHECK(fn, ret) \
 142 do { last_fn = (fn); if ((last_ret = (ret)) != 0) goto cs_failed; } while (0)
 143
 144 static int aha152x_config_cs(struct pcmcia_device *link)
 145 {
 146     scsi_info_t *info = link->priv;
 147     struct aha152x_setup s;
 148     tuple_t tuple;
 149     cisparse_t parse;
 150     int i, last_ret, last_fn;
 151     u_char tuple_data[64];
 152     struct Scsi_Host *host;
 153
 154     DEBUG(0, "aha152x_config(0x%p)\n", link);
 155
 156     tuple.TupleData = tuple_data;
 157     tuple.TupleDataMax = 64;
 158     tuple.TupleOffset = 0;
 159     tuple.DesiredTuple = CISTPL_CFTABLE_ENTRY;
 160     tuple.Attributes = 0;
 161     CS_CHECK(GetFirstTuple, pcmcia_get_first_tuple(link, &tuple));
 162     while (1) {
 163         if (pcmcia_get_tuple_data(link, &tuple) != 0 ||
 164                 pcmcia_parse_tuple(link, &tuple, &parse) != 0)
 165             goto next_entry;
 166         /* For New Media T&J, look for a SCSI window */
 167         if (parse.cftable_entry.io.win[0].len >= 0x20)
 168             link->io.BasePort1 = parse.cftable_entry.io.win[0].base;
 169         else if ((parse.cftable_entry.io.nwin > 1) &&
 170                  (parse.cftable_entry.io.win[1].len >= 0x20))
 171             link->io.BasePort1 = parse.cftable_entry.io.win[1].base;
 172         if ((parse.cftable_entry.io.nwin > 0) &&
 173             (link->io.BasePort1 < 0xffff)) {
 174             link->conf.ConfigIndex = parse.cftable_entry.index;
 175             i = pcmcia_request_io(link, &link->io);
 176             if (i == CS_SUCCESS) break;
 177         }
 178     next_entry:
 179         CS_CHECK(GetNextTuple, pcmcia_get_next_tuple(link, &tuple));
 180     }
 181
 182     CS_CHECK(RequestIRQ, pcmcia_request_irq(link, &link->irq));
 183     CS_CHECK(RequestConfiguration, pcmcia_request_configuration(link, &link->conf));
 184
 185     /* Set configuration options for the aha152x driver */
 186     memset(&s, 0, sizeof(s));
 187     s.conf        = "PCMCIA setup";
 188     s.io_port     = link->io.BasePort1;
 189     s.irq         = link->irq.AssignedIRQ;
 190     s.scsiid      = host_id;
 191     s.reconnect   = reconnect;
 192     s.parity      = parity;
 193     s.synchronous = synchronous;
 194     s.delay       = reset_delay;
 195     if (ext_trans)
 196         s.ext_trans = ext_trans;
 197
 198     host = aha152x_probe_one(&s);
 199     if (host == NULL) {
 200         printk(KERN_INFO "aha152x_cs: no SCSI devices found\n");
 201         goto cs_failed;
 202     }
 203
 204     sprintf(info->node.dev_name, "scsi%d", host->host_no);
 205     link->dev_node = &info->node;
 206     info->host = host;
 207
 208     return 0;
 209
 210 cs_failed:
 211     cs_error(link, last_fn, last_ret);
 212     aha152x_release_cs(link);
 213     return -ENODEV;
 214 }
 215
 216 static void aha152x_release_cs(struct pcmcia_device *link)
 217 {
 218         scsi_info_t *info = link->priv;
 219
 220         aha152x_release(info->host);
 221         pcmcia_disable_device(link);
 222 }
 223
 224 static int aha152x_resume(struct pcmcia_device *link)
 225 {
 226         scsi_info_t *info = link->priv;
 227
 228         aha152x_host_reset_host(info->host);
 229
 230         return 0;
 231 }
 232
 233 static struct pcmcia_device_id aha152x_ids[] = {
 234         PCMCIA_DEVICE_PROD_ID123("New Media", "SCSI", "Bus Toaster", 0xcdf7e4cc, 0x35f26476, 0xa8851d6e),
 235         PCMCIA_DEVICE_PROD_ID123("NOTEWORTHY", "SCSI", "Bus Toaster", 0xad89c6e8, 0x35f26476, 0xa8851d6e),
 236         PCMCIA_DEVICE_PROD_ID12("Adaptec, Inc.", "APA-1460 SCSI Host Adapter", 0x24ba9738, 0x3a3c3d20),
 237         PCMCIA_DEVICE_PROD_ID12("New Media Corporation", "Multimedia Sound/SCSI", 0x085a850b, 0x80a6535c),
 238         PCMCIA_DEVICE_PROD_ID12("NOTEWORTHY", "NWCOMB02 SCSI/AUDIO COMBO CARD", 0xad89c6e8, 0x5f9a615b),
 239         PCMCIA_DEVICE_NULL,
 240 };
 241 MODULE_DEVICE_TABLE(pcmcia, aha152x_ids);
 242
 243 static struct pcmcia_driver aha152x_cs_driver = {
 244         .owner          = THIS_MODULE,
 245         .drv            = {
 246                 .name   = "aha152x_cs",
 247         },
 248         .probe          = aha152x_probe,
 249         .remove         = aha152x_detach,
 250         .id_table       = aha152x_ids,
 251         .resume         = aha152x_resume,
 252 };
 253
 254 static int __init init_aha152x_cs(void)
 255 {
 256         return pcmcia_register_driver(&aha152x_cs_driver);
 257 }
 258
 259 static void __exit exit_aha152x_cs(void)
 260 {
 261         pcmcia_unregister_driver(&aha152x_cs_driver);
 262         BUG_ON(dev_list != NULL);
 263 }
 264
 265 module_init(init_aha152x_cs);
 266 module_exit(exit_aha152x_cs);