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 {
78 struct Scsi_Host *host;
82 static void fdomain_release(dev_link_t *link);
83 static void fdomain_detach(struct pcmcia_device *p_dev);
84 static void fdomain_config(dev_link_t *link);
86 static int fdomain_attach(struct pcmcia_device *p_dev)
91 DEBUG(0, "fdomain_attach()\n");
93 /* Create new SCSI device */
94 info = kmalloc(sizeof(*info), GFP_KERNEL);
95 if (!info) return -ENOMEM;
96 memset(info, 0, sizeof(*info));
97 link = &info->link; link->priv = 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;
105 link->conf.IntType = INT_MEMORY_AND_IO;
106 link->conf.Present = PRESENT_OPTION;
108 link->handle = p_dev;
109 p_dev->instance = link;
111 link->state |= DEV_PRESENT | DEV_CONFIG_PENDING;
112 fdomain_config(link);
115 } /* fdomain_attach */
117 /*====================================================================*/
119 static void fdomain_detach(struct pcmcia_device *p_dev)
121 dev_link_t *link = dev_to_instance(p_dev);
123 DEBUG(0, "fdomain_detach(0x%p)\n", link);
125 if (link->state & DEV_CONFIG)
126 fdomain_release(link);
129 } /* fdomain_detach */
131 /*====================================================================*/
133 #define CS_CHECK(fn, ret) \
134 do { last_fn = (fn); if ((last_ret = (ret)) != 0) goto cs_failed; } while (0)
136 static void fdomain_config(dev_link_t *link)
138 client_handle_t handle = link->handle;
139 scsi_info_t *info = link->priv;
142 int i, last_ret, last_fn;
143 u_char tuple_data[64];
145 struct Scsi_Host *host;
147 DEBUG(0, "fdomain_config(0x%p)\n", link);
149 tuple.DesiredTuple = CISTPL_CONFIG;
150 tuple.TupleData = tuple_data;
151 tuple.TupleDataMax = 64;
152 tuple.TupleOffset = 0;
153 CS_CHECK(GetFirstTuple, pcmcia_get_first_tuple(handle, &tuple));
154 CS_CHECK(GetTupleData, pcmcia_get_tuple_data(handle, &tuple));
155 CS_CHECK(ParseTuple, pcmcia_parse_tuple(handle, &tuple, &parse));
156 link->conf.ConfigBase = parse.config.base;
159 link->state |= DEV_CONFIG;
161 tuple.DesiredTuple = CISTPL_CFTABLE_ENTRY;
162 CS_CHECK(GetFirstTuple, pcmcia_get_first_tuple(handle, &tuple));
164 if (pcmcia_get_tuple_data(handle, &tuple) != 0 ||
165 pcmcia_parse_tuple(handle, &tuple, &parse) != 0)
167 link->conf.ConfigIndex = parse.cftable_entry.index;
168 link->io.BasePort1 = parse.cftable_entry.io.win[0].base;
169 i = pcmcia_request_io(handle, &link->io);
170 if (i == CS_SUCCESS) break;
172 CS_CHECK(GetNextTuple, pcmcia_get_next_tuple(handle, &tuple));
175 CS_CHECK(RequestIRQ, pcmcia_request_irq(handle, &link->irq));
176 CS_CHECK(RequestConfiguration, pcmcia_request_configuration(handle, &link->conf));
179 release_region(link->io.BasePort1, link->io.NumPorts1);
181 /* Set configuration options for the fdomain driver */
182 sprintf(str, "%d,%d", link->io.BasePort1, link->irq.AssignedIRQ);
185 host = __fdomain_16x0_detect(&fdomain_driver_template);
187 printk(KERN_INFO "fdomain_cs: no SCSI devices found\n");
191 scsi_add_host(host, NULL); /* XXX handle failure */
192 scsi_scan_host(host);
194 sprintf(info->node.dev_name, "scsi%d", host->host_no);
195 link->dev = &info->node;
198 link->state &= ~DEV_CONFIG_PENDING;
202 cs_error(link->handle, last_fn, last_ret);
203 fdomain_release(link);
206 } /* fdomain_config */
208 /*====================================================================*/
210 static void fdomain_release(dev_link_t *link)
212 scsi_info_t *info = link->priv;
214 DEBUG(0, "fdomain_release(0x%p)\n", link);
216 scsi_remove_host(info->host);
219 pcmcia_release_configuration(link->handle);
220 pcmcia_release_io(link->handle, &link->io);
221 pcmcia_release_irq(link->handle, &link->irq);
223 scsi_unregister(info->host);
225 link->state &= ~DEV_CONFIG;
228 /*====================================================================*/
230 static int fdomain_suspend(struct pcmcia_device *dev)
232 dev_link_t *link = dev_to_instance(dev);
234 link->state |= DEV_SUSPEND;
235 if (link->state & DEV_CONFIG)
236 pcmcia_release_configuration(link->handle);
241 static int fdomain_resume(struct pcmcia_device *dev)
243 dev_link_t *link = dev_to_instance(dev);
245 link->state &= ~DEV_SUSPEND;
246 if (link->state & DEV_CONFIG) {
247 pcmcia_request_configuration(link->handle, &link->conf);
248 fdomain_16x0_bus_reset(NULL);
254 static struct pcmcia_device_id fdomain_ids[] = {
255 PCMCIA_DEVICE_PROD_ID12("IBM Corp.", "SCSI PCMCIA Card", 0xe3736c88, 0x859cad20),
256 PCMCIA_DEVICE_PROD_ID1("SCSI PCMCIA Adapter Card", 0x8dacb57e),
257 PCMCIA_DEVICE_PROD_ID12(" SIMPLE TECHNOLOGY Corporation", "SCSI PCMCIA Credit Card Controller", 0x182bdafe, 0xc80d106f),
260 MODULE_DEVICE_TABLE(pcmcia, fdomain_ids);
262 static struct pcmcia_driver fdomain_cs_driver = {
263 .owner = THIS_MODULE,
265 .name = "fdomain_cs",
267 .probe = fdomain_attach,
268 .remove = fdomain_detach,
269 .id_table = fdomain_ids,
270 .suspend = fdomain_suspend,
271 .resume = fdomain_resume,
274 static int __init init_fdomain_cs(void)
276 return pcmcia_register_driver(&fdomain_cs_driver);
279 static void __exit exit_fdomain_cs(void)
281 pcmcia_unregister_driver(&fdomain_cs_driver);
284 module_init(init_fdomain_cs);
285 module_exit(exit_fdomain_cs);