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.DesiredTuple = CISTPL_CONFIG;
140 tuple.TupleData = tuple_data;
141 tuple.TupleDataMax = 64;
142 tuple.TupleOffset = 0;
143 CS_CHECK(GetFirstTuple, pcmcia_get_first_tuple(link, &tuple));
144 CS_CHECK(GetTupleData, pcmcia_get_tuple_data(link, &tuple));
145 CS_CHECK(ParseTuple, pcmcia_parse_tuple(link, &tuple, &parse));
146 link->conf.ConfigBase = parse.config.base;
148 tuple.DesiredTuple = CISTPL_CFTABLE_ENTRY;
149 CS_CHECK(GetFirstTuple, pcmcia_get_first_tuple(link, &tuple));
151 if (pcmcia_get_tuple_data(link, &tuple) != 0 ||
152 pcmcia_parse_tuple(link, &tuple, &parse) != 0)
154 link->conf.ConfigIndex = parse.cftable_entry.index;
155 link->io.BasePort1 = parse.cftable_entry.io.win[0].base;
156 i = pcmcia_request_io(link, &link->io);
157 if (i == CS_SUCCESS) break;
159 CS_CHECK(GetNextTuple, pcmcia_get_next_tuple(link, &tuple));
162 CS_CHECK(RequestIRQ, pcmcia_request_irq(link, &link->irq));
163 CS_CHECK(RequestConfiguration, pcmcia_request_configuration(link, &link->conf));
166 release_region(link->io.BasePort1, link->io.NumPorts1);
168 /* Set configuration options for the fdomain driver */
169 sprintf(str, "%d,%d", link->io.BasePort1, link->irq.AssignedIRQ);
172 host = __fdomain_16x0_detect(&fdomain_driver_template);
174 printk(KERN_INFO "fdomain_cs: no SCSI devices found\n");
178 if (scsi_add_host(host, NULL))
180 scsi_scan_host(host);
182 sprintf(info->node.dev_name, "scsi%d", host->host_no);
183 link->dev_node = &info->node;
189 cs_error(link, last_fn, last_ret);
190 fdomain_release(link);
192 } /* fdomain_config */
194 /*====================================================================*/
196 static void fdomain_release(struct pcmcia_device *link)
198 scsi_info_t *info = link->priv;
200 DEBUG(0, "fdomain_release(0x%p)\n", link);
202 scsi_remove_host(info->host);
203 pcmcia_disable_device(link);
204 scsi_unregister(info->host);
207 /*====================================================================*/
209 static int fdomain_resume(struct pcmcia_device *link)
211 fdomain_16x0_bus_reset(NULL);
216 static struct pcmcia_device_id fdomain_ids[] = {
217 PCMCIA_DEVICE_PROD_ID12("IBM Corp.", "SCSI PCMCIA Card", 0xe3736c88, 0x859cad20),
218 PCMCIA_DEVICE_PROD_ID1("SCSI PCMCIA Adapter Card", 0x8dacb57e),
219 PCMCIA_DEVICE_PROD_ID12(" SIMPLE TECHNOLOGY Corporation", "SCSI PCMCIA Credit Card Controller", 0x182bdafe, 0xc80d106f),
222 MODULE_DEVICE_TABLE(pcmcia, fdomain_ids);
224 static struct pcmcia_driver fdomain_cs_driver = {
225 .owner = THIS_MODULE,
227 .name = "fdomain_cs",
229 .probe = fdomain_probe,
230 .remove = fdomain_detach,
231 .id_table = fdomain_ids,
232 .resume = fdomain_resume,
235 static int __init init_fdomain_cs(void)
237 return pcmcia_register_driver(&fdomain_cs_driver);
240 static void __exit exit_fdomain_cs(void)
242 pcmcia_unregister_driver(&fdomain_cs_driver);
245 module_init(init_fdomain_cs);
246 module_exit(exit_fdomain_cs);