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Linus Torvalds1da177e2005-04-16 15:20:36 -07001/*======================================================================
2
3 A driver for Adaptec AHA152X-compatible PCMCIA SCSI cards.
4
5 This driver supports the Adaptec AHA-1460, the New Media Bus
6 Toaster, and the New Media Toast & Jam.
7
8 aha152x_cs.c 1.54 2000/06/12 21:27:25
9
10 The contents of this file are subject to the Mozilla Public
11 License Version 1.1 (the "License"); you may not use this file
12 except in compliance with the License. You may obtain a copy of
13 the License at http://www.mozilla.org/MPL/
14
15 Software distributed under the License is distributed on an "AS
16 IS" basis, WITHOUT WARRANTY OF ANY KIND, either express or
17 implied. See the License for the specific language governing
18 rights and limitations under the License.
19
20 The initial developer of the original code is David A. Hinds
21 <dahinds@users.sourceforge.net>. Portions created by David A. Hinds
22 are Copyright (C) 1999 David A. Hinds. All Rights Reserved.
23
24 Alternatively, the contents of this file may be used under the
25 terms of the GNU General Public License version 2 (the "GPL"), in which
26 case the provisions of the GPL are applicable instead of the
27 above. If you wish to allow the use of your version of this file
28 only under the terms of the GPL and not to allow others to use
29 your version of this file under the MPL, indicate your decision
30 by deleting the provisions above and replace them with the notice
31 and other provisions required by the GPL. If you do not delete
32 the provisions above, a recipient may use your version of this
33 file under either the MPL or the GPL.
34
35======================================================================*/
36
37#include <linux/module.h>
38#include <linux/init.h>
39#include <linux/kernel.h>
Linus Torvalds1da177e2005-04-16 15:20:36 -070040#include <linux/slab.h>
41#include <linux/string.h>
42#include <linux/ioport.h>
43#include <scsi/scsi.h>
44#include <linux/major.h>
45#include <linux/blkdev.h>
46#include <scsi/scsi_ioctl.h>
47
48#include "scsi.h"
49#include <scsi/scsi_host.h>
50#include "aha152x.h"
51
Linus Torvalds1da177e2005-04-16 15:20:36 -070052#include <pcmcia/cistpl.h>
53#include <pcmcia/ds.h>
54
Linus Torvalds1da177e2005-04-16 15:20:36 -070055
56/*====================================================================*/
57
58/* Parameters that can be set with 'insmod' */
59
60/* SCSI bus setup options */
61static int host_id = 7;
62static int reconnect = 1;
63static int parity = 1;
64static int synchronous = 1;
65static int reset_delay = 100;
66static int ext_trans = 0;
67
68module_param(host_id, int, 0);
69module_param(reconnect, int, 0);
70module_param(parity, int, 0);
71module_param(synchronous, int, 0);
72module_param(reset_delay, int, 0);
73module_param(ext_trans, int, 0);
74
75MODULE_LICENSE("Dual MPL/GPL");
76
77/*====================================================================*/
78
79typedef struct scsi_info_t {
Dominik Brodowskifd238232006-03-05 10:45:09 +010080 struct pcmcia_device *p_dev;
Linus Torvalds1da177e2005-04-16 15:20:36 -070081 struct Scsi_Host *host;
82} scsi_info_t;
83
Dominik Brodowskifba395e2006-03-31 17:21:06 +020084static void aha152x_release_cs(struct pcmcia_device *link);
Dominik Brodowskicc3b4862005-11-14 21:23:14 +010085static void aha152x_detach(struct pcmcia_device *p_dev);
Dominik Brodowski15b99ac2006-03-31 17:26:06 +020086static int aha152x_config_cs(struct pcmcia_device *link);
Linus Torvalds1da177e2005-04-16 15:20:36 -070087
Dominik Brodowski15b99ac2006-03-31 17:26:06 +020088static int aha152x_probe(struct pcmcia_device *link)
Linus Torvalds1da177e2005-04-16 15:20:36 -070089{
90 scsi_info_t *info;
Dominik Brodowskifba395e2006-03-31 17:21:06 +020091
Dominik Brodowski3e716612009-10-24 15:54:14 +020092 dev_dbg(&link->dev, "aha152x_attach()\n");
Linus Torvalds1da177e2005-04-16 15:20:36 -070093
94 /* Create new SCSI device */
Yoann Padioleaudd00cc42007-07-19 01:49:03 -070095 info = kzalloc(sizeof(*info), GFP_KERNEL);
Dominik Brodowskif8cfa612005-11-14 21:25:51 +010096 if (!info) return -ENOMEM;
Dominik Brodowskifba395e2006-03-31 17:21:06 +020097 info->p_dev = link;
Dominik Brodowskifd238232006-03-05 10:45:09 +010098 link->priv = info;
Linus Torvalds1da177e2005-04-16 15:20:36 -070099
Dominik Brodowski00990e72010-07-30 13:13:46 +0200100 link->config_flags |= CONF_ENABLE_IRQ | CONF_AUTO_SET_IO;
Dominik Brodowski7feabb62010-07-29 18:35:47 +0200101 link->config_regs = PRESENT_OPTION;
Linus Torvalds1da177e2005-04-16 15:20:36 -0700102
Dominik Brodowski15b99ac2006-03-31 17:26:06 +0200103 return aha152x_config_cs(link);
Linus Torvalds1da177e2005-04-16 15:20:36 -0700104} /* aha152x_attach */
105
106/*====================================================================*/
107
Dominik Brodowskifba395e2006-03-31 17:21:06 +0200108static void aha152x_detach(struct pcmcia_device *link)
Linus Torvalds1da177e2005-04-16 15:20:36 -0700109{
Dominik Brodowski3e716612009-10-24 15:54:14 +0200110 dev_dbg(&link->dev, "aha152x_detach\n");
Linus Torvalds1da177e2005-04-16 15:20:36 -0700111
Dominik Brodowskie2d40962006-03-02 00:09:29 +0100112 aha152x_release_cs(link);
Linus Torvalds1da177e2005-04-16 15:20:36 -0700113
Linus Torvalds1da177e2005-04-16 15:20:36 -0700114 /* Unlink device structure, free bits */
Linus Torvalds1da177e2005-04-16 15:20:36 -0700115 kfree(link->priv);
Linus Torvalds1da177e2005-04-16 15:20:36 -0700116} /* aha152x_detach */
117
118/*====================================================================*/
119
Dominik Brodowski00990e72010-07-30 13:13:46 +0200120static int aha152x_config_check(struct pcmcia_device *p_dev, void *priv_data)
Dominik Brodowski0e6f9d22008-07-29 08:38:55 +0200121{
Dominik Brodowski90abdc32010-07-24 17:23:51 +0200122 p_dev->io_lines = 10;
Dominik Brodowski00990e72010-07-30 13:13:46 +0200123
Dominik Brodowski0e6f9d22008-07-29 08:38:55 +0200124 /* For New Media T&J, look for a SCSI window */
Dominik Brodowski00990e72010-07-30 13:13:46 +0200125 if ((p_dev->resource[0]->end < 0x20) &&
126 (p_dev->resource[1]->end >= 0x20))
127 p_dev->resource[0]->start = p_dev->resource[1]->start;
128
129 if (p_dev->resource[0]->start >= 0xffff)
130 return -EINVAL;
131
132 p_dev->resource[1]->start = p_dev->resource[1]->end = 0;
133 p_dev->resource[0]->end = 0x20;
134 p_dev->resource[0]->flags &= ~IO_DATA_PATH_WIDTH;
135 p_dev->resource[0]->flags |= IO_DATA_PATH_WIDTH_AUTO;
136
137 return pcmcia_request_io(p_dev);
Dominik Brodowski0e6f9d22008-07-29 08:38:55 +0200138}
139
Dominik Brodowski15b99ac2006-03-31 17:26:06 +0200140static int aha152x_config_cs(struct pcmcia_device *link)
Linus Torvalds1da177e2005-04-16 15:20:36 -0700141{
Linus Torvalds1da177e2005-04-16 15:20:36 -0700142 scsi_info_t *info = link->priv;
143 struct aha152x_setup s;
Dominik Brodowski3e716612009-10-24 15:54:14 +0200144 int ret;
Linus Torvalds1da177e2005-04-16 15:20:36 -0700145 struct Scsi_Host *host;
Dominik Brodowski0e6f9d22008-07-29 08:38:55 +0200146
Dominik Brodowski3e716612009-10-24 15:54:14 +0200147 dev_dbg(&link->dev, "aha152x_config\n");
Linus Torvalds1da177e2005-04-16 15:20:36 -0700148
Dominik Brodowski3e716612009-10-24 15:54:14 +0200149 ret = pcmcia_loop_config(link, aha152x_config_check, NULL);
150 if (ret)
151 goto failed;
Dominik Brodowski0e6f9d22008-07-29 08:38:55 +0200152
Dominik Brodowskieb141202010-03-07 12:21:16 +0100153 if (!link->irq)
Dominik Brodowski3e716612009-10-24 15:54:14 +0200154 goto failed;
155
Dominik Brodowski1ac71e52010-07-29 19:27:09 +0200156 ret = pcmcia_enable_device(link);
Dominik Brodowski3e716612009-10-24 15:54:14 +0200157 if (ret)
158 goto failed;
Linus Torvalds1da177e2005-04-16 15:20:36 -0700159
160 /* Set configuration options for the aha152x driver */
161 memset(&s, 0, sizeof(s));
162 s.conf = "PCMCIA setup";
Dominik Brodowski9a017a92010-07-24 15:58:54 +0200163 s.io_port = link->resource[0]->start;
Dominik Brodowskieb141202010-03-07 12:21:16 +0100164 s.irq = link->irq;
Linus Torvalds1da177e2005-04-16 15:20:36 -0700165 s.scsiid = host_id;
166 s.reconnect = reconnect;
167 s.parity = parity;
168 s.synchronous = synchronous;
169 s.delay = reset_delay;
170 if (ext_trans)
171 s.ext_trans = ext_trans;
172
173 host = aha152x_probe_one(&s);
174 if (host == NULL) {
175 printk(KERN_INFO "aha152x_cs: no SCSI devices found\n");
Dominik Brodowski3e716612009-10-24 15:54:14 +0200176 goto failed;
Linus Torvalds1da177e2005-04-16 15:20:36 -0700177 }
178
Linus Torvalds1da177e2005-04-16 15:20:36 -0700179 info->host = host;
180
Dominik Brodowski15b99ac2006-03-31 17:26:06 +0200181 return 0;
182
Dominik Brodowski0e6f9d22008-07-29 08:38:55 +0200183failed:
Linus Torvalds1da177e2005-04-16 15:20:36 -0700184 aha152x_release_cs(link);
Dominik Brodowski15b99ac2006-03-31 17:26:06 +0200185 return -ENODEV;
Linus Torvalds1da177e2005-04-16 15:20:36 -0700186}
187
Dominik Brodowskifba395e2006-03-31 17:21:06 +0200188static void aha152x_release_cs(struct pcmcia_device *link)
Linus Torvalds1da177e2005-04-16 15:20:36 -0700189{
190 scsi_info_t *info = link->priv;
191
192 aha152x_release(info->host);
Dominik Brodowskifba395e2006-03-31 17:21:06 +0200193 pcmcia_disable_device(link);
Linus Torvalds1da177e2005-04-16 15:20:36 -0700194}
195
Dominik Brodowskifba395e2006-03-31 17:21:06 +0200196static int aha152x_resume(struct pcmcia_device *link)
Dominik Brodowski98e4c282005-11-14 21:21:18 +0100197{
Dominik Brodowski98e4c282005-11-14 21:21:18 +0100198 scsi_info_t *info = link->priv;
199
Dominik Brodowski8661bb52006-03-02 00:02:33 +0100200 aha152x_host_reset_host(info->host);
Dominik Brodowski98e4c282005-11-14 21:21:18 +0100201
202 return 0;
203}
204
Dominik Brodowski2dc27da2005-06-27 16:28:19 -0700205static struct pcmcia_device_id aha152x_ids[] = {
206 PCMCIA_DEVICE_PROD_ID123("New Media", "SCSI", "Bus Toaster", 0xcdf7e4cc, 0x35f26476, 0xa8851d6e),
207 PCMCIA_DEVICE_PROD_ID123("NOTEWORTHY", "SCSI", "Bus Toaster", 0xad89c6e8, 0x35f26476, 0xa8851d6e),
208 PCMCIA_DEVICE_PROD_ID12("Adaptec, Inc.", "APA-1460 SCSI Host Adapter", 0x24ba9738, 0x3a3c3d20),
209 PCMCIA_DEVICE_PROD_ID12("New Media Corporation", "Multimedia Sound/SCSI", 0x085a850b, 0x80a6535c),
210 PCMCIA_DEVICE_PROD_ID12("NOTEWORTHY", "NWCOMB02 SCSI/AUDIO COMBO CARD", 0xad89c6e8, 0x5f9a615b),
211 PCMCIA_DEVICE_NULL,
212};
213MODULE_DEVICE_TABLE(pcmcia, aha152x_ids);
214
Linus Torvalds1da177e2005-04-16 15:20:36 -0700215static struct pcmcia_driver aha152x_cs_driver = {
216 .owner = THIS_MODULE,
Dominik Brodowski2e9b9812010-08-08 11:36:26 +0200217 .name = "aha152x_cs",
Dominik Brodowski15b99ac2006-03-31 17:26:06 +0200218 .probe = aha152x_probe,
Dominik Brodowskicc3b4862005-11-14 21:23:14 +0100219 .remove = aha152x_detach,
Dominik Brodowski2dc27da2005-06-27 16:28:19 -0700220 .id_table = aha152x_ids,
Dominik Brodowski98e4c282005-11-14 21:21:18 +0100221 .resume = aha152x_resume,
Linus Torvalds1da177e2005-04-16 15:20:36 -0700222};
223
224static int __init init_aha152x_cs(void)
225{
226 return pcmcia_register_driver(&aha152x_cs_driver);
227}
228
229static void __exit exit_aha152x_cs(void)
230{
231 pcmcia_unregister_driver(&aha152x_cs_driver);
Linus Torvalds1da177e2005-04-16 15:20:36 -0700232}
233
234module_init(init_aha152x_cs);
235module_exit(exit_aha152x_cs);