blob: 06254f46a0ddda146322e0b106faa13b90bb9882 [file] [log] [blame]
Linus Torvalds1da177e2005-04-16 15:20:36 -07001/*======================================================================
2
3 A driver for Future Domain-compatible PCMCIA SCSI cards
4
5 fdomain_cs.c 1.47 2001/10/13 00:08:52
6
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/
11
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.
16
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.
20
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.
31
32======================================================================*/
33
34#include <linux/module.h>
35#include <linux/init.h>
36#include <linux/kernel.h>
Linus Torvalds1da177e2005-04-16 15:20:36 -070037#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>
44
45#include "scsi.h"
46#include <scsi/scsi_host.h>
47#include "fdomain.h"
48
Linus Torvalds1da177e2005-04-16 15:20:36 -070049#include <pcmcia/cs_types.h>
50#include <pcmcia/cs.h>
51#include <pcmcia/cistpl.h>
52#include <pcmcia/ds.h>
53
54/*====================================================================*/
55
56/* Module parameters */
57
58MODULE_AUTHOR("David Hinds <dahinds@users.sourceforge.net>");
59MODULE_DESCRIPTION("Future Domain PCMCIA SCSI driver");
60MODULE_LICENSE("Dual MPL/GPL");
61
62#ifdef PCMCIA_DEBUG
63static int pc_debug = PCMCIA_DEBUG;
64module_param(pc_debug, int, 0);
65#define DEBUG(n, args...) if (pc_debug>(n)) printk(KERN_DEBUG args)
66static char *version =
67"fdomain_cs.c 1.47 2001/10/13 00:08:52 (David Hinds)";
68#else
69#define DEBUG(n, args...)
70#endif
71
72/*====================================================================*/
73
74typedef struct scsi_info_t {
Dominik Brodowskifd238232006-03-05 10:45:09 +010075 struct pcmcia_device *p_dev;
Linus Torvalds1da177e2005-04-16 15:20:36 -070076 dev_node_t node;
77 struct Scsi_Host *host;
78} scsi_info_t;
79
80
Dominik Brodowskifba395e2006-03-31 17:21:06 +020081static void fdomain_release(struct pcmcia_device *link);
Dominik Brodowskicc3b4862005-11-14 21:23:14 +010082static void fdomain_detach(struct pcmcia_device *p_dev);
Dominik Brodowski15b99ac2006-03-31 17:26:06 +020083static int fdomain_config(struct pcmcia_device *link);
Linus Torvalds1da177e2005-04-16 15:20:36 -070084
Dominik Brodowski15b99ac2006-03-31 17:26:06 +020085static int fdomain_probe(struct pcmcia_device *link)
Linus Torvalds1da177e2005-04-16 15:20:36 -070086{
Dominik Brodowski15b99ac2006-03-31 17:26:06 +020087 scsi_info_t *info;
Dominik Brodowskif8cfa612005-11-14 21:25:51 +010088
Dominik Brodowski15b99ac2006-03-31 17:26:06 +020089 DEBUG(0, "fdomain_attach()\n");
Linus Torvalds1da177e2005-04-16 15:20:36 -070090
Dominik Brodowski15b99ac2006-03-31 17:26:06 +020091 /* Create new SCSI device */
92 info = kzalloc(sizeof(*info), GFP_KERNEL);
93 if (!info)
94 return -ENOMEM;
Linus Torvalds1da177e2005-04-16 15:20:36 -070095
Dominik Brodowski15b99ac2006-03-31 17:26:06 +020096 info->p_dev = link;
97 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;
Dominik Brodowskif8cfa612005-11-14 21:25:51 +0100106
Dominik Brodowski15b99ac2006-03-31 17:26:06 +0200107 return fdomain_config(link);
Linus Torvalds1da177e2005-04-16 15:20:36 -0700108} /* fdomain_attach */
109
110/*====================================================================*/
111
Dominik Brodowskifba395e2006-03-31 17:21:06 +0200112static void fdomain_detach(struct pcmcia_device *link)
Linus Torvalds1da177e2005-04-16 15:20:36 -0700113{
Dominik Brodowskib4635812005-11-14 21:25:35 +0100114 DEBUG(0, "fdomain_detach(0x%p)\n", link);
Linus Torvalds1da177e2005-04-16 15:20:36 -0700115
Dominik Brodowskie2d40962006-03-02 00:09:29 +0100116 fdomain_release(link);
Linus Torvalds1da177e2005-04-16 15:20:36 -0700117
Dominik Brodowskib4635812005-11-14 21:25:35 +0100118 kfree(link->priv);
Linus Torvalds1da177e2005-04-16 15:20:36 -0700119} /* fdomain_detach */
120
121/*====================================================================*/
122
123#define CS_CHECK(fn, ret) \
124do { last_fn = (fn); if ((last_ret = (ret)) != 0) goto cs_failed; } while (0)
125
Dominik Brodowski0e6f9d22008-07-29 08:38:55 +0200126static int fdomain_config_check(struct pcmcia_device *p_dev,
Dominik Brodowski8e2fc392008-08-02 15:30:31 +0200127 cistpl_cftable_entry_t *cfg,
128 cistpl_cftable_entry_t *dflt,
Dominik Brodowskiad913c12008-08-02 16:12:00 +0200129 unsigned int vcc,
Dominik Brodowski8e2fc392008-08-02 15:30:31 +0200130 void *priv_data)
Dominik Brodowski0e6f9d22008-07-29 08:38:55 +0200131{
Dominik Brodowski0e6f9d22008-07-29 08:38:55 +0200132 p_dev->io.BasePort1 = cfg->io.win[0].base;
133 return pcmcia_request_io(p_dev, &p_dev->io);
134}
135
136
Dominik Brodowski15b99ac2006-03-31 17:26:06 +0200137static int fdomain_config(struct pcmcia_device *link)
Linus Torvalds1da177e2005-04-16 15:20:36 -0700138{
Linus Torvalds1da177e2005-04-16 15:20:36 -0700139 scsi_info_t *info = link->priv;
Dominik Brodowski0e6f9d22008-07-29 08:38:55 +0200140 int last_ret, last_fn;
Olof Johanssonecb8a842008-02-04 22:27:34 -0800141 char str[22];
Linus Torvalds1da177e2005-04-16 15:20:36 -0700142 struct Scsi_Host *host;
143
144 DEBUG(0, "fdomain_config(0x%p)\n", link);
145
Dominik Brodowski0e6f9d22008-07-29 08:38:55 +0200146 last_ret = pcmcia_loop_config(link, fdomain_config_check, NULL);
147 if (last_ret) {
148 cs_error(link, RequestIO, last_ret);
149 goto failed;
Linus Torvalds1da177e2005-04-16 15:20:36 -0700150 }
151
Dominik Brodowskifba395e2006-03-31 17:21:06 +0200152 CS_CHECK(RequestIRQ, pcmcia_request_irq(link, &link->irq));
153 CS_CHECK(RequestConfiguration, pcmcia_request_configuration(link, &link->conf));
Dominik Brodowski15b99ac2006-03-31 17:26:06 +0200154
Linus Torvalds1da177e2005-04-16 15:20:36 -0700155 /* A bad hack... */
156 release_region(link->io.BasePort1, link->io.NumPorts1);
157
158 /* Set configuration options for the fdomain driver */
159 sprintf(str, "%d,%d", link->io.BasePort1, link->irq.AssignedIRQ);
160 fdomain_setup(str);
Dominik Brodowski15b99ac2006-03-31 17:26:06 +0200161
Linus Torvalds1da177e2005-04-16 15:20:36 -0700162 host = __fdomain_16x0_detect(&fdomain_driver_template);
163 if (!host) {
164 printk(KERN_INFO "fdomain_cs: no SCSI devices found\n");
165 goto cs_failed;
166 }
Dominik Brodowski15b99ac2006-03-31 17:26:06 +0200167
168 if (scsi_add_host(host, NULL))
169 goto cs_failed;
Linus Torvalds1da177e2005-04-16 15:20:36 -0700170 scsi_scan_host(host);
171
172 sprintf(info->node.dev_name, "scsi%d", host->host_no);
Dominik Brodowskifd238232006-03-05 10:45:09 +0100173 link->dev_node = &info->node;
Linus Torvalds1da177e2005-04-16 15:20:36 -0700174 info->host = host;
Dominik Brodowski15b99ac2006-03-31 17:26:06 +0200175
Dominik Brodowski15b99ac2006-03-31 17:26:06 +0200176 return 0;
177
Linus Torvalds1da177e2005-04-16 15:20:36 -0700178cs_failed:
Dominik Brodowskifba395e2006-03-31 17:21:06 +0200179 cs_error(link, last_fn, last_ret);
Dominik Brodowski0e6f9d22008-07-29 08:38:55 +0200180failed:
Linus Torvalds1da177e2005-04-16 15:20:36 -0700181 fdomain_release(link);
Dominik Brodowski15b99ac2006-03-31 17:26:06 +0200182 return -ENODEV;
Linus Torvalds1da177e2005-04-16 15:20:36 -0700183} /* fdomain_config */
184
185/*====================================================================*/
186
Dominik Brodowskifba395e2006-03-31 17:21:06 +0200187static void fdomain_release(struct pcmcia_device *link)
Linus Torvalds1da177e2005-04-16 15:20:36 -0700188{
Dominik Brodowski5f2a71f2006-01-15 09:32:39 +0100189 scsi_info_t *info = link->priv;
Linus Torvalds1da177e2005-04-16 15:20:36 -0700190
Dominik Brodowski5f2a71f2006-01-15 09:32:39 +0100191 DEBUG(0, "fdomain_release(0x%p)\n", link);
Linus Torvalds1da177e2005-04-16 15:20:36 -0700192
Dominik Brodowski5f2a71f2006-01-15 09:32:39 +0100193 scsi_remove_host(info->host);
Dominik Brodowskifba395e2006-03-31 17:21:06 +0200194 pcmcia_disable_device(link);
Dominik Brodowski5f2a71f2006-01-15 09:32:39 +0100195 scsi_unregister(info->host);
Linus Torvalds1da177e2005-04-16 15:20:36 -0700196}
197
198/*====================================================================*/
199
Dominik Brodowskifba395e2006-03-31 17:21:06 +0200200static int fdomain_resume(struct pcmcia_device *link)
Dominik Brodowski98e4c282005-11-14 21:21:18 +0100201{
Dominik Brodowskie2d40962006-03-02 00:09:29 +0100202 fdomain_16x0_bus_reset(NULL);
Dominik Brodowski98e4c282005-11-14 21:21:18 +0100203
204 return 0;
205}
206
Dominik Brodowski2d1fb372005-06-27 16:28:21 -0700207static struct pcmcia_device_id fdomain_ids[] = {
208 PCMCIA_DEVICE_PROD_ID12("IBM Corp.", "SCSI PCMCIA Card", 0xe3736c88, 0x859cad20),
209 PCMCIA_DEVICE_PROD_ID1("SCSI PCMCIA Adapter Card", 0x8dacb57e),
210 PCMCIA_DEVICE_PROD_ID12(" SIMPLE TECHNOLOGY Corporation", "SCSI PCMCIA Credit Card Controller", 0x182bdafe, 0xc80d106f),
211 PCMCIA_DEVICE_NULL,
212};
213MODULE_DEVICE_TABLE(pcmcia, fdomain_ids);
214
Linus Torvalds1da177e2005-04-16 15:20:36 -0700215static struct pcmcia_driver fdomain_cs_driver = {
216 .owner = THIS_MODULE,
217 .drv = {
218 .name = "fdomain_cs",
219 },
Dominik Brodowski15b99ac2006-03-31 17:26:06 +0200220 .probe = fdomain_probe,
Dominik Brodowskicc3b4862005-11-14 21:23:14 +0100221 .remove = fdomain_detach,
Dominik Brodowski2d1fb372005-06-27 16:28:21 -0700222 .id_table = fdomain_ids,
Dominik Brodowski98e4c282005-11-14 21:21:18 +0100223 .resume = fdomain_resume,
Linus Torvalds1da177e2005-04-16 15:20:36 -0700224};
225
226static int __init init_fdomain_cs(void)
227{
228 return pcmcia_register_driver(&fdomain_cs_driver);
229}
230
231static void __exit exit_fdomain_cs(void)
232{
233 pcmcia_unregister_driver(&fdomain_cs_driver);
Linus Torvalds1da177e2005-04-16 15:20:36 -0700234}
235
236module_init(init_fdomain_cs);
237module_exit(exit_fdomain_cs);