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_DYNAMIC_SHARING;
 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_check(struct pcmcia_device *p_dev,
 144                                 cistpl_cftable_entry_t *cfg,
 145                                 cistpl_cftable_entry_t *dflt,
 146                                 unsigned int vcc,
 147                                 void *priv_data)
 148 {
 149         /* For New Media T&J, look for a SCSI window */
 150         if (cfg->io.win[0].len >= 0x20)
 151                 p_dev->io.BasePort1 = cfg->io.win[0].base;
 152         else if ((cfg->io.nwin > 1) &&
 153                  (cfg->io.win[1].len >= 0x20))
 154                 p_dev->io.BasePort1 = cfg->io.win[1].base;
 155         if ((cfg->io.nwin > 0) &&
 156             (p_dev->io.BasePort1 < 0xffff)) {
 157                 if (!pcmcia_request_io(p_dev, &p_dev->io))
 158                         return 0;
 159         }
 160         return -EINVAL;
 161 }
 162
 163 static int aha152x_config_cs(struct pcmcia_device *link)
 164 {
 165     scsi_info_t *info = link->priv;
 166     struct aha152x_setup s;
 167     int last_ret, last_fn;
 168     struct Scsi_Host *host;
 169
 170     DEBUG(0, "aha152x_config(0x%p)\n", link);
 171
 172     last_ret = pcmcia_loop_config(link, aha152x_config_check, NULL);
 173     if (last_ret) {
 174         cs_error(link, RequestIO, last_ret);
 175         goto failed;
 176     }
 177
 178     CS_CHECK(RequestIRQ, pcmcia_request_irq(link, &link->irq));
 179     CS_CHECK(RequestConfiguration, pcmcia_request_configuration(link, &link->conf));
 180
 181     /* Set configuration options for the aha152x driver */
 182     memset(&s, 0, sizeof(s));
 183     s.conf        = "PCMCIA setup";
 184     s.io_port     = link->io.BasePort1;
 185     s.irq         = link->irq.AssignedIRQ;
 186     s.scsiid      = host_id;
 187     s.reconnect   = reconnect;
 188     s.parity      = parity;
 189     s.synchronous = synchronous;
 190     s.delay       = reset_delay;
 191     if (ext_trans)
 192         s.ext_trans = ext_trans;
 193
 194     host = aha152x_probe_one(&s);
 195     if (host == NULL) {
 196         printk(KERN_INFO "aha152x_cs: no SCSI devices found\n");
 197         goto cs_failed;
 198     }
 199
 200     sprintf(info->node.dev_name, "scsi%d", host->host_no);
 201     link->dev_node = &info->node;
 202     info->host = host;
 203
 204     return 0;
 205
 206 cs_failed:
 207     cs_error(link, last_fn, last_ret);
 208 failed:
 209     aha152x_release_cs(link);
 210     return -ENODEV;
 211 }
 212
 213 static void aha152x_release_cs(struct pcmcia_device *link)
 214 {
 215         scsi_info_t *info = link->priv;
 216
 217         aha152x_release(info->host);
 218         pcmcia_disable_device(link);
 219 }
 220
 221 static int aha152x_resume(struct pcmcia_device *link)
 222 {
 223         scsi_info_t *info = link->priv;
 224
 225         aha152x_host_reset_host(info->host);
 226
 227         return 0;
 228 }
 229
 230 static struct pcmcia_device_id aha152x_ids[] = {
 231         PCMCIA_DEVICE_PROD_ID123("New Media", "SCSI", "Bus Toaster", 0xcdf7e4cc, 0x35f26476, 0xa8851d6e),
 232         PCMCIA_DEVICE_PROD_ID123("NOTEWORTHY", "SCSI", "Bus Toaster", 0xad89c6e8, 0x35f26476, 0xa8851d6e),
 233         PCMCIA_DEVICE_PROD_ID12("Adaptec, Inc.", "APA-1460 SCSI Host Adapter", 0x24ba9738, 0x3a3c3d20),
 234         PCMCIA_DEVICE_PROD_ID12("New Media Corporation", "Multimedia Sound/SCSI", 0x085a850b, 0x80a6535c),
 235         PCMCIA_DEVICE_PROD_ID12("NOTEWORTHY", "NWCOMB02 SCSI/AUDIO COMBO CARD", 0xad89c6e8, 0x5f9a615b),
 236         PCMCIA_DEVICE_NULL,
 237 };
 238 MODULE_DEVICE_TABLE(pcmcia, aha152x_ids);
 239
 240 static struct pcmcia_driver aha152x_cs_driver = {
 241         .owner          = THIS_MODULE,
 242         .drv            = {
 243                 .name   = "aha152x_cs",
 244         },
 245         .probe          = aha152x_probe,
 246         .remove         = aha152x_detach,
 247         .id_table       = aha152x_ids,
 248         .resume         = aha152x_resume,
 249 };
 250
 251 static int __init init_aha152x_cs(void)
 252 {
 253         return pcmcia_register_driver(&aha152x_cs_driver);
 254 }
 255
 256 static void __exit exit_aha152x_cs(void)
 257 {
 258         pcmcia_unregister_driver(&aha152x_cs_driver);
 259         BUG_ON(dev_list != NULL);
 260 }
 261
 262 module_init(init_aha152x_cs);
 263 module_exit(exit_aha152x_cs);