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/slab.h>
38 #include <linux/string.h>
39 #include <linux/ioport.h>
40 #include <scsi/scsi.h>
41 #include <linux/major.h>
42 #include <linux/blkdev.h>
43 #include <scsi/scsi_ioctl.h>
46 #include <scsi/scsi_host.h>
49 #include <pcmcia/cs_types.h>
50 #include <pcmcia/cs.h>
51 #include <pcmcia/cistpl.h>
52 #include <pcmcia/ds.h>
54 /*====================================================================*/
56 /* Module parameters */
58 MODULE_AUTHOR("David Hinds <dahinds@users.sourceforge.net>");
59 MODULE_DESCRIPTION("Future Domain PCMCIA SCSI driver");
60 MODULE_LICENSE("Dual MPL/GPL");
63 static int pc_debug = PCMCIA_DEBUG;
64 module_param(pc_debug, int, 0);
65 #define DEBUG(n, args...) if (pc_debug>(n)) printk(KERN_DEBUG args)
66 static char *version =
67 "fdomain_cs.c 1.47 2001/10/13 00:08:52 (David Hinds)";
69 #define DEBUG(n, args...)
72 /*====================================================================*/
74 typedef struct scsi_info_t {
75 struct pcmcia_device *p_dev;
77 struct Scsi_Host *host;
81 static void fdomain_release(struct pcmcia_device *link);
82 static void fdomain_detach(struct pcmcia_device *p_dev);
83 static int fdomain_config(struct pcmcia_device *link);
85 static int fdomain_probe(struct pcmcia_device *link)
89 DEBUG(0, "fdomain_attach()\n");
91 /* Create new SCSI device */
92 info = kzalloc(sizeof(*info), GFP_KERNEL);
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 return fdomain_config(link);
108 } /* fdomain_attach */
110 /*====================================================================*/
112 static void fdomain_detach(struct pcmcia_device *link)
114 DEBUG(0, "fdomain_detach(0x%p)\n", link);
116 fdomain_release(link);
119 } /* fdomain_detach */
121 /*====================================================================*/
123 #define CS_CHECK(fn, ret) \
124 do { last_fn = (fn); if ((last_ret = (ret)) != 0) goto cs_failed; } while (0)
126 static int fdomain_config_check(struct pcmcia_device *p_dev,
127 cistpl_cftable_entry_t *cfg,
130 p_dev->conf.ConfigIndex = cfg->index;
131 p_dev->io.BasePort1 = cfg->io.win[0].base;
132 return pcmcia_request_io(p_dev, &p_dev->io);
136 static int fdomain_config(struct pcmcia_device *link)
138 scsi_info_t *info = link->priv;
139 int last_ret, last_fn;
141 struct Scsi_Host *host;
143 DEBUG(0, "fdomain_config(0x%p)\n", link);
145 last_ret = pcmcia_loop_config(link, fdomain_config_check, NULL);
147 cs_error(link, RequestIO, last_ret);
151 CS_CHECK(RequestIRQ, pcmcia_request_irq(link, &link->irq));
152 CS_CHECK(RequestConfiguration, pcmcia_request_configuration(link, &link->conf));
155 release_region(link->io.BasePort1, link->io.NumPorts1);
157 /* Set configuration options for the fdomain driver */
158 sprintf(str, "%d,%d", link->io.BasePort1, link->irq.AssignedIRQ);
161 host = __fdomain_16x0_detect(&fdomain_driver_template);
163 printk(KERN_INFO "fdomain_cs: no SCSI devices found\n");
167 if (scsi_add_host(host, NULL))
169 scsi_scan_host(host);
171 sprintf(info->node.dev_name, "scsi%d", host->host_no);
172 link->dev_node = &info->node;
178 cs_error(link, last_fn, last_ret);
180 fdomain_release(link);
182 } /* fdomain_config */
184 /*====================================================================*/
186 static void fdomain_release(struct pcmcia_device *link)
188 scsi_info_t *info = link->priv;
190 DEBUG(0, "fdomain_release(0x%p)\n", link);
192 scsi_remove_host(info->host);
193 pcmcia_disable_device(link);
194 scsi_unregister(info->host);
197 /*====================================================================*/
199 static int fdomain_resume(struct pcmcia_device *link)
201 fdomain_16x0_bus_reset(NULL);
206 static struct pcmcia_device_id fdomain_ids[] = {
207 PCMCIA_DEVICE_PROD_ID12("IBM Corp.", "SCSI PCMCIA Card", 0xe3736c88, 0x859cad20),
208 PCMCIA_DEVICE_PROD_ID1("SCSI PCMCIA Adapter Card", 0x8dacb57e),
209 PCMCIA_DEVICE_PROD_ID12(" SIMPLE TECHNOLOGY Corporation", "SCSI PCMCIA Credit Card Controller", 0x182bdafe, 0xc80d106f),
212 MODULE_DEVICE_TABLE(pcmcia, fdomain_ids);
214 static struct pcmcia_driver fdomain_cs_driver = {
215 .owner = THIS_MODULE,
217 .name = "fdomain_cs",
219 .probe = fdomain_probe,
220 .remove = fdomain_detach,
221 .id_table = fdomain_ids,
222 .resume = fdomain_resume,
225 static int __init init_fdomain_cs(void)
227 return pcmcia_register_driver(&fdomain_cs_driver);
230 static void __exit exit_fdomain_cs(void)
232 pcmcia_unregister_driver(&fdomain_cs_driver);
235 module_init(init_fdomain_cs);
236 module_exit(exit_fdomain_cs);