1 /*======================================================================
3 A driver for Future Domain-compatible PCMCIA SCSI cards
5 fdomain_cs.c 1.47 2001/10/13 00:08:52
7 The contents of this file are subject to the Mozilla Public
8 License Version 1.1 (the "License"); you may not use this file
9 except in compliance with the License. You may obtain a copy of
10 the License at http://www.mozilla.org/MPL/
12 Software distributed under the License is distributed on an "AS
13 IS" basis, WITHOUT WARRANTY OF ANY KIND, either express or
14 implied. See the License for the specific language governing
15 rights and limitations under the License.
17 The initial developer of the original code is David A. Hinds
18 <dahinds@users.sourceforge.net>. Portions created by David A. Hinds
19 are Copyright (C) 1999 David A. Hinds. All Rights Reserved.
21 Alternatively, the contents of this file may be used under the
22 terms of the GNU General Public License version 2 (the "GPL"), in
23 which case the provisions of the GPL are applicable instead of the
24 above. If you wish to allow the use of your version of this file
25 only under the terms of the GPL and not to allow others to use
26 your version of this file under the MPL, indicate your decision
27 by deleting the provisions above and replace them with the notice
28 and other provisions required by the GPL. If you do not delete
29 the provisions above, a recipient may use your version of this
30 file under either the MPL or the GPL.
32 ======================================================================*/
34 #include <linux/module.h>
35 #include <linux/init.h>
36 #include <linux/kernel.h>
37 #include <linux/sched.h>
38 #include <linux/slab.h>
39 #include <linux/string.h>
40 #include <linux/ioport.h>
41 #include <scsi/scsi.h>
42 #include <linux/major.h>
43 #include <linux/blkdev.h>
44 #include <scsi/scsi_ioctl.h>
47 #include <scsi/scsi_host.h>
50 #include <pcmcia/cs_types.h>
51 #include <pcmcia/cs.h>
52 #include <pcmcia/cistpl.h>
53 #include <pcmcia/ds.h>
55 /*====================================================================*/
57 /* Module parameters */
59 MODULE_AUTHOR("David Hinds <dahinds@users.sourceforge.net>");
60 MODULE_DESCRIPTION("Future Domain PCMCIA SCSI driver");
61 MODULE_LICENSE("Dual MPL/GPL");
64 static int pc_debug = PCMCIA_DEBUG;
65 module_param(pc_debug, int, 0);
66 #define DEBUG(n, args...) if (pc_debug>(n)) printk(KERN_DEBUG args)
67 static char *version =
68 "fdomain_cs.c 1.47 2001/10/13 00:08:52 (David Hinds)";
70 #define DEBUG(n, args...)
73 /*====================================================================*/
75 typedef struct scsi_info_t {
76 struct pcmcia_device *p_dev;
78 struct Scsi_Host *host;
82 static void fdomain_release(struct pcmcia_device *link);
83 static void fdomain_detach(struct pcmcia_device *p_dev);
84 static int fdomain_config(struct pcmcia_device *link);
86 static int fdomain_probe(struct pcmcia_device *link)
90 DEBUG(0, "fdomain_attach()\n");
92 /* Create new SCSI device */
93 info = kzalloc(sizeof(*info), GFP_KERNEL);
99 link->io.NumPorts1 = 0x10;
100 link->io.Attributes1 = IO_DATA_PATH_WIDTH_AUTO;
101 link->io.IOAddrLines = 10;
102 link->irq.Attributes = IRQ_TYPE_EXCLUSIVE;
103 link->irq.IRQInfo1 = IRQ_LEVEL_ID;
104 link->conf.Attributes = CONF_ENABLE_IRQ;
105 link->conf.IntType = INT_MEMORY_AND_IO;
106 link->conf.Present = PRESENT_OPTION;
108 return fdomain_config(link);
109 } /* fdomain_attach */
111 /*====================================================================*/
113 static void fdomain_detach(struct pcmcia_device *link)
115 DEBUG(0, "fdomain_detach(0x%p)\n", link);
117 fdomain_release(link);
120 } /* fdomain_detach */
122 /*====================================================================*/
124 #define CS_CHECK(fn, ret) \
125 do { last_fn = (fn); if ((last_ret = (ret)) != 0) goto cs_failed; } while (0)
127 static int fdomain_config(struct pcmcia_device *link)
129 scsi_info_t *info = link->priv;
132 int i, last_ret, last_fn;
133 u_char tuple_data[64];
135 struct Scsi_Host *host;
137 DEBUG(0, "fdomain_config(0x%p)\n", link);
139 tuple.TupleData = tuple_data;
140 tuple.TupleDataMax = 64;
141 tuple.TupleOffset = 0;
143 tuple.DesiredTuple = CISTPL_CFTABLE_ENTRY;
144 CS_CHECK(GetFirstTuple, pcmcia_get_first_tuple(link, &tuple));
146 if (pcmcia_get_tuple_data(link, &tuple) != 0 ||
147 pcmcia_parse_tuple(link, &tuple, &parse) != 0)
149 link->conf.ConfigIndex = parse.cftable_entry.index;
150 link->io.BasePort1 = parse.cftable_entry.io.win[0].base;
151 i = pcmcia_request_io(link, &link->io);
152 if (i == CS_SUCCESS) break;
154 CS_CHECK(GetNextTuple, pcmcia_get_next_tuple(link, &tuple));
157 CS_CHECK(RequestIRQ, pcmcia_request_irq(link, &link->irq));
158 CS_CHECK(RequestConfiguration, pcmcia_request_configuration(link, &link->conf));
161 release_region(link->io.BasePort1, link->io.NumPorts1);
163 /* Set configuration options for the fdomain driver */
164 sprintf(str, "%d,%d", link->io.BasePort1, link->irq.AssignedIRQ);
167 host = __fdomain_16x0_detect(&fdomain_driver_template);
169 printk(KERN_INFO "fdomain_cs: no SCSI devices found\n");
173 if (scsi_add_host(host, NULL))
175 scsi_scan_host(host);
177 sprintf(info->node.dev_name, "scsi%d", host->host_no);
178 link->dev_node = &info->node;
184 cs_error(link, last_fn, last_ret);
185 fdomain_release(link);
187 } /* fdomain_config */
189 /*====================================================================*/
191 static void fdomain_release(struct pcmcia_device *link)
193 scsi_info_t *info = link->priv;
195 DEBUG(0, "fdomain_release(0x%p)\n", link);
197 scsi_remove_host(info->host);
198 pcmcia_disable_device(link);
199 scsi_unregister(info->host);
202 /*====================================================================*/
204 static int fdomain_resume(struct pcmcia_device *link)
206 fdomain_16x0_bus_reset(NULL);
211 static struct pcmcia_device_id fdomain_ids[] = {
212 PCMCIA_DEVICE_PROD_ID12("IBM Corp.", "SCSI PCMCIA Card", 0xe3736c88, 0x859cad20),
213 PCMCIA_DEVICE_PROD_ID1("SCSI PCMCIA Adapter Card", 0x8dacb57e),
214 PCMCIA_DEVICE_PROD_ID12(" SIMPLE TECHNOLOGY Corporation", "SCSI PCMCIA Credit Card Controller", 0x182bdafe, 0xc80d106f),
217 MODULE_DEVICE_TABLE(pcmcia, fdomain_ids);
219 static struct pcmcia_driver fdomain_cs_driver = {
220 .owner = THIS_MODULE,
222 .name = "fdomain_cs",
224 .probe = fdomain_probe,
225 .remove = fdomain_detach,
226 .id_table = fdomain_ids,
227 .resume = fdomain_resume,
230 static int __init init_fdomain_cs(void)
232 return pcmcia_register_driver(&fdomain_cs_driver);
235 static void __exit exit_fdomain_cs(void)
237 pcmcia_unregister_driver(&fdomain_cs_driver);
240 module_init(init_fdomain_cs);
241 module_exit(exit_fdomain_cs);