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;
104 link->conf.IntType = INT_MEMORY_AND_IO;
105 link->conf.Present = PRESENT_OPTION;
107 link->handle = p_dev;
108 p_dev->instance = link;
110 link->state |= DEV_PRESENT | DEV_CONFIG_PENDING;
111 fdomain_config(link);
114 } /* fdomain_attach */
116 /*====================================================================*/
118 static void fdomain_detach(struct pcmcia_device *p_dev)
120 dev_link_t *link = dev_to_instance(p_dev);
122 DEBUG(0, "fdomain_detach(0x%p)\n", link);
124 if (link->state & DEV_CONFIG)
125 fdomain_release(link);
128 } /* fdomain_detach */
130 /*====================================================================*/
132 #define CS_CHECK(fn, ret) \
133 do { last_fn = (fn); if ((last_ret = (ret)) != 0) goto cs_failed; } while (0)
135 static void fdomain_config(dev_link_t *link)
137 client_handle_t handle = link->handle;
138 scsi_info_t *info = link->priv;
141 int i, last_ret, last_fn;
142 u_char tuple_data[64];
144 struct Scsi_Host *host;
146 DEBUG(0, "fdomain_config(0x%p)\n", link);
148 tuple.DesiredTuple = CISTPL_CONFIG;
149 tuple.TupleData = tuple_data;
150 tuple.TupleDataMax = 64;
151 tuple.TupleOffset = 0;
152 CS_CHECK(GetFirstTuple, pcmcia_get_first_tuple(handle, &tuple));
153 CS_CHECK(GetTupleData, pcmcia_get_tuple_data(handle, &tuple));
154 CS_CHECK(ParseTuple, pcmcia_parse_tuple(handle, &tuple, &parse));
155 link->conf.ConfigBase = parse.config.base;
158 link->state |= DEV_CONFIG;
160 tuple.DesiredTuple = CISTPL_CFTABLE_ENTRY;
161 CS_CHECK(GetFirstTuple, pcmcia_get_first_tuple(handle, &tuple));
163 if (pcmcia_get_tuple_data(handle, &tuple) != 0 ||
164 pcmcia_parse_tuple(handle, &tuple, &parse) != 0)
166 link->conf.ConfigIndex = parse.cftable_entry.index;
167 link->io.BasePort1 = parse.cftable_entry.io.win[0].base;
168 i = pcmcia_request_io(handle, &link->io);
169 if (i == CS_SUCCESS) break;
171 CS_CHECK(GetNextTuple, pcmcia_get_next_tuple(handle, &tuple));
174 CS_CHECK(RequestIRQ, pcmcia_request_irq(handle, &link->irq));
175 CS_CHECK(RequestConfiguration, pcmcia_request_configuration(handle, &link->conf));
178 release_region(link->io.BasePort1, link->io.NumPorts1);
180 /* Set configuration options for the fdomain driver */
181 sprintf(str, "%d,%d", link->io.BasePort1, link->irq.AssignedIRQ);
184 host = __fdomain_16x0_detect(&fdomain_driver_template);
186 printk(KERN_INFO "fdomain_cs: no SCSI devices found\n");
190 scsi_add_host(host, NULL); /* XXX handle failure */
191 scsi_scan_host(host);
193 sprintf(info->node.dev_name, "scsi%d", host->host_no);
194 link->dev = &info->node;
197 link->state &= ~DEV_CONFIG_PENDING;
201 cs_error(link->handle, last_fn, last_ret);
202 fdomain_release(link);
205 } /* fdomain_config */
207 /*====================================================================*/
209 static void fdomain_release(dev_link_t *link)
211 scsi_info_t *info = link->priv;
213 DEBUG(0, "fdomain_release(0x%p)\n", link);
215 scsi_remove_host(info->host);
216 pcmcia_disable_device(link->handle);
217 scsi_unregister(info->host);
220 /*====================================================================*/
222 static int fdomain_resume(struct pcmcia_device *dev)
224 dev_link_t *link = dev_to_instance(dev);
226 if (link->state & DEV_CONFIG)
227 fdomain_16x0_bus_reset(NULL);
232 static struct pcmcia_device_id fdomain_ids[] = {
233 PCMCIA_DEVICE_PROD_ID12("IBM Corp.", "SCSI PCMCIA Card", 0xe3736c88, 0x859cad20),
234 PCMCIA_DEVICE_PROD_ID1("SCSI PCMCIA Adapter Card", 0x8dacb57e),
235 PCMCIA_DEVICE_PROD_ID12(" SIMPLE TECHNOLOGY Corporation", "SCSI PCMCIA Credit Card Controller", 0x182bdafe, 0xc80d106f),
238 MODULE_DEVICE_TABLE(pcmcia, fdomain_ids);
240 static struct pcmcia_driver fdomain_cs_driver = {
241 .owner = THIS_MODULE,
243 .name = "fdomain_cs",
245 .probe = fdomain_attach,
246 .remove = fdomain_detach,
247 .id_table = fdomain_ids,
248 .resume = fdomain_resume,
251 static int __init init_fdomain_cs(void)
253 return pcmcia_register_driver(&fdomain_cs_driver);
256 static void __exit exit_fdomain_cs(void)
258 pcmcia_unregister_driver(&fdomain_cs_driver);
261 module_init(init_fdomain_cs);
262 module_exit(exit_fdomain_cs);