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 void fdomain_config(struct pcmcia_device *link);
86 static int fdomain_attach(struct pcmcia_device *link)
90 DEBUG(0, "fdomain_attach()\n");
92 /* Create new SCSI device */
93 info = kmalloc(sizeof(*info), GFP_KERNEL);
94 if (!info) return -ENOMEM;
95 memset(info, 0, sizeof(*info));
98 link->io.NumPorts1 = 0x10;
99 link->io.Attributes1 = IO_DATA_PATH_WIDTH_AUTO;
100 link->io.IOAddrLines = 10;
101 link->irq.Attributes = IRQ_TYPE_EXCLUSIVE;
102 link->irq.IRQInfo1 = IRQ_LEVEL_ID;
103 link->conf.Attributes = CONF_ENABLE_IRQ;
104 link->conf.IntType = INT_MEMORY_AND_IO;
105 link->conf.Present = PRESENT_OPTION;
107 link->state |= DEV_PRESENT | DEV_CONFIG_PENDING;
108 fdomain_config(link);
111 } /* fdomain_attach */
113 /*====================================================================*/
115 static void fdomain_detach(struct pcmcia_device *link)
117 DEBUG(0, "fdomain_detach(0x%p)\n", link);
119 if (link->state & DEV_CONFIG)
120 fdomain_release(link);
123 } /* fdomain_detach */
125 /*====================================================================*/
127 #define CS_CHECK(fn, ret) \
128 do { last_fn = (fn); if ((last_ret = (ret)) != 0) goto cs_failed; } while (0)
130 static void fdomain_config(struct pcmcia_device *link)
132 scsi_info_t *info = link->priv;
135 int i, last_ret, last_fn;
136 u_char tuple_data[64];
138 struct Scsi_Host *host;
140 DEBUG(0, "fdomain_config(0x%p)\n", link);
142 tuple.DesiredTuple = CISTPL_CONFIG;
143 tuple.TupleData = tuple_data;
144 tuple.TupleDataMax = 64;
145 tuple.TupleOffset = 0;
146 CS_CHECK(GetFirstTuple, pcmcia_get_first_tuple(link, &tuple));
147 CS_CHECK(GetTupleData, pcmcia_get_tuple_data(link, &tuple));
148 CS_CHECK(ParseTuple, pcmcia_parse_tuple(link, &tuple, &parse));
149 link->conf.ConfigBase = parse.config.base;
152 link->state |= DEV_CONFIG;
154 tuple.DesiredTuple = CISTPL_CFTABLE_ENTRY;
155 CS_CHECK(GetFirstTuple, pcmcia_get_first_tuple(link, &tuple));
157 if (pcmcia_get_tuple_data(link, &tuple) != 0 ||
158 pcmcia_parse_tuple(link, &tuple, &parse) != 0)
160 link->conf.ConfigIndex = parse.cftable_entry.index;
161 link->io.BasePort1 = parse.cftable_entry.io.win[0].base;
162 i = pcmcia_request_io(link, &link->io);
163 if (i == CS_SUCCESS) break;
165 CS_CHECK(GetNextTuple, pcmcia_get_next_tuple(link, &tuple));
168 CS_CHECK(RequestIRQ, pcmcia_request_irq(link, &link->irq));
169 CS_CHECK(RequestConfiguration, pcmcia_request_configuration(link, &link->conf));
172 release_region(link->io.BasePort1, link->io.NumPorts1);
174 /* Set configuration options for the fdomain driver */
175 sprintf(str, "%d,%d", link->io.BasePort1, link->irq.AssignedIRQ);
178 host = __fdomain_16x0_detect(&fdomain_driver_template);
180 printk(KERN_INFO "fdomain_cs: no SCSI devices found\n");
184 scsi_add_host(host, NULL); /* XXX handle failure */
185 scsi_scan_host(host);
187 sprintf(info->node.dev_name, "scsi%d", host->host_no);
188 link->dev_node = &info->node;
191 link->state &= ~DEV_CONFIG_PENDING;
195 cs_error(link, last_fn, last_ret);
196 fdomain_release(link);
199 } /* fdomain_config */
201 /*====================================================================*/
203 static void fdomain_release(struct pcmcia_device *link)
205 scsi_info_t *info = link->priv;
207 DEBUG(0, "fdomain_release(0x%p)\n", link);
209 scsi_remove_host(info->host);
210 pcmcia_disable_device(link);
211 scsi_unregister(info->host);
214 /*====================================================================*/
216 static int fdomain_resume(struct pcmcia_device *link)
218 if (link->state & DEV_CONFIG)
219 fdomain_16x0_bus_reset(NULL);
224 static struct pcmcia_device_id fdomain_ids[] = {
225 PCMCIA_DEVICE_PROD_ID12("IBM Corp.", "SCSI PCMCIA Card", 0xe3736c88, 0x859cad20),
226 PCMCIA_DEVICE_PROD_ID1("SCSI PCMCIA Adapter Card", 0x8dacb57e),
227 PCMCIA_DEVICE_PROD_ID12(" SIMPLE TECHNOLOGY Corporation", "SCSI PCMCIA Credit Card Controller", 0x182bdafe, 0xc80d106f),
230 MODULE_DEVICE_TABLE(pcmcia, fdomain_ids);
232 static struct pcmcia_driver fdomain_cs_driver = {
233 .owner = THIS_MODULE,
235 .name = "fdomain_cs",
237 .probe = fdomain_attach,
238 .remove = fdomain_detach,
239 .id_table = fdomain_ids,
240 .resume = fdomain_resume,
243 static int __init init_fdomain_cs(void)
245 return pcmcia_register_driver(&fdomain_cs_driver);
248 static void __exit exit_fdomain_cs(void)
250 pcmcia_unregister_driver(&fdomain_cs_driver);
253 module_init(init_fdomain_cs);
254 module_exit(exit_fdomain_cs);