blob: 9d70aef9922707d75c109b7d871918f5e9669e9b [file] [log] [blame]
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/cs_types.h>
53#include <pcmcia/cs.h>
54#include <pcmcia/cistpl.h>
55#include <pcmcia/ds.h>
56
Linus Torvalds1da177e2005-04-16 15:20:36 -070057
58/*====================================================================*/
59
60/* Parameters that can be set with 'insmod' */
61
62/* SCSI bus setup options */
63static int host_id = 7;
64static int reconnect = 1;
65static int parity = 1;
66static int synchronous = 1;
67static int reset_delay = 100;
68static int ext_trans = 0;
69
70module_param(host_id, int, 0);
71module_param(reconnect, int, 0);
72module_param(parity, int, 0);
73module_param(synchronous, int, 0);
74module_param(reset_delay, int, 0);
75module_param(ext_trans, int, 0);
76
77MODULE_LICENSE("Dual MPL/GPL");
78
79/*====================================================================*/
80
81typedef struct scsi_info_t {
Dominik Brodowskifd238232006-03-05 10:45:09 +010082 struct pcmcia_device *p_dev;
Linus Torvalds1da177e2005-04-16 15:20:36 -070083 struct Scsi_Host *host;
84} scsi_info_t;
85
Dominik Brodowskifba395e2006-03-31 17:21:06 +020086static void aha152x_release_cs(struct pcmcia_device *link);
Dominik Brodowskicc3b4862005-11-14 21:23:14 +010087static void aha152x_detach(struct pcmcia_device *p_dev);
Dominik Brodowski15b99ac2006-03-31 17:26:06 +020088static int aha152x_config_cs(struct pcmcia_device *link);
Linus Torvalds1da177e2005-04-16 15:20:36 -070089
Dominik Brodowskifba395e2006-03-31 17:21:06 +020090static struct pcmcia_device *dev_list;
Linus Torvalds1da177e2005-04-16 15:20:36 -070091
Dominik Brodowski15b99ac2006-03-31 17:26:06 +020092static int aha152x_probe(struct pcmcia_device *link)
Linus Torvalds1da177e2005-04-16 15:20:36 -070093{
94 scsi_info_t *info;
Dominik Brodowskifba395e2006-03-31 17:21:06 +020095
Dominik Brodowski3e716612009-10-24 15:54:14 +020096 dev_dbg(&link->dev, "aha152x_attach()\n");
Linus Torvalds1da177e2005-04-16 15:20:36 -070097
98 /* Create new SCSI device */
Yoann Padioleaudd00cc42007-07-19 01:49:03 -070099 info = kzalloc(sizeof(*info), GFP_KERNEL);
Dominik Brodowskif8cfa612005-11-14 21:25:51 +0100100 if (!info) return -ENOMEM;
Dominik Brodowskifba395e2006-03-31 17:21:06 +0200101 info->p_dev = link;
Dominik Brodowskifd238232006-03-05 10:45:09 +0100102 link->priv = info;
Linus Torvalds1da177e2005-04-16 15:20:36 -0700103
104 link->io.NumPorts1 = 0x20;
105 link->io.Attributes1 = IO_DATA_PATH_WIDTH_AUTO;
106 link->io.IOAddrLines = 10;
Linus Torvalds1da177e2005-04-16 15:20:36 -0700107 link->conf.Attributes = CONF_ENABLE_IRQ;
Linus Torvalds1da177e2005-04-16 15:20:36 -0700108 link->conf.IntType = INT_MEMORY_AND_IO;
109 link->conf.Present = PRESENT_OPTION;
110
Dominik Brodowski15b99ac2006-03-31 17:26:06 +0200111 return aha152x_config_cs(link);
Linus Torvalds1da177e2005-04-16 15:20:36 -0700112} /* aha152x_attach */
113
114/*====================================================================*/
115
Dominik Brodowskifba395e2006-03-31 17:21:06 +0200116static void aha152x_detach(struct pcmcia_device *link)
Linus Torvalds1da177e2005-04-16 15:20:36 -0700117{
Dominik Brodowski3e716612009-10-24 15:54:14 +0200118 dev_dbg(&link->dev, "aha152x_detach\n");
Linus Torvalds1da177e2005-04-16 15:20:36 -0700119
Dominik Brodowskie2d40962006-03-02 00:09:29 +0100120 aha152x_release_cs(link);
Linus Torvalds1da177e2005-04-16 15:20:36 -0700121
Linus Torvalds1da177e2005-04-16 15:20:36 -0700122 /* Unlink device structure, free bits */
Linus Torvalds1da177e2005-04-16 15:20:36 -0700123 kfree(link->priv);
Linus Torvalds1da177e2005-04-16 15:20:36 -0700124} /* aha152x_detach */
125
126/*====================================================================*/
127
Dominik Brodowski0e6f9d22008-07-29 08:38:55 +0200128static int aha152x_config_check(struct pcmcia_device *p_dev,
Dominik Brodowski8e2fc392008-08-02 15:30:31 +0200129 cistpl_cftable_entry_t *cfg,
130 cistpl_cftable_entry_t *dflt,
Dominik Brodowskiad913c12008-08-02 16:12:00 +0200131 unsigned int vcc,
Dominik Brodowski8e2fc392008-08-02 15:30:31 +0200132 void *priv_data)
Dominik Brodowski0e6f9d22008-07-29 08:38:55 +0200133{
134 /* For New Media T&J, look for a SCSI window */
135 if (cfg->io.win[0].len >= 0x20)
136 p_dev->io.BasePort1 = cfg->io.win[0].base;
137 else if ((cfg->io.nwin > 1) &&
138 (cfg->io.win[1].len >= 0x20))
139 p_dev->io.BasePort1 = cfg->io.win[1].base;
140 if ((cfg->io.nwin > 0) &&
141 (p_dev->io.BasePort1 < 0xffff)) {
Dominik Brodowski0e6f9d22008-07-29 08:38:55 +0200142 if (!pcmcia_request_io(p_dev, &p_dev->io))
143 return 0;
144 }
145 return -EINVAL;
146}
147
Dominik Brodowski15b99ac2006-03-31 17:26:06 +0200148static int aha152x_config_cs(struct pcmcia_device *link)
Linus Torvalds1da177e2005-04-16 15:20:36 -0700149{
Linus Torvalds1da177e2005-04-16 15:20:36 -0700150 scsi_info_t *info = link->priv;
151 struct aha152x_setup s;
Dominik Brodowski3e716612009-10-24 15:54:14 +0200152 int ret;
Linus Torvalds1da177e2005-04-16 15:20:36 -0700153 struct Scsi_Host *host;
Dominik Brodowski0e6f9d22008-07-29 08:38:55 +0200154
Dominik Brodowski3e716612009-10-24 15:54:14 +0200155 dev_dbg(&link->dev, "aha152x_config\n");
Linus Torvalds1da177e2005-04-16 15:20:36 -0700156
Dominik Brodowski3e716612009-10-24 15:54:14 +0200157 ret = pcmcia_loop_config(link, aha152x_config_check, NULL);
158 if (ret)
159 goto failed;
Dominik Brodowski0e6f9d22008-07-29 08:38:55 +0200160
Dominik Brodowskieb141202010-03-07 12:21:16 +0100161 if (!link->irq)
Dominik Brodowski3e716612009-10-24 15:54:14 +0200162 goto failed;
163
164 ret = pcmcia_request_configuration(link, &link->conf);
165 if (ret)
166 goto failed;
Linus Torvalds1da177e2005-04-16 15:20:36 -0700167
168 /* Set configuration options for the aha152x driver */
169 memset(&s, 0, sizeof(s));
170 s.conf = "PCMCIA setup";
171 s.io_port = link->io.BasePort1;
Dominik Brodowskieb141202010-03-07 12:21:16 +0100172 s.irq = link->irq;
Linus Torvalds1da177e2005-04-16 15:20:36 -0700173 s.scsiid = host_id;
174 s.reconnect = reconnect;
175 s.parity = parity;
176 s.synchronous = synchronous;
177 s.delay = reset_delay;
178 if (ext_trans)
179 s.ext_trans = ext_trans;
180
181 host = aha152x_probe_one(&s);
182 if (host == NULL) {
183 printk(KERN_INFO "aha152x_cs: no SCSI devices found\n");
Dominik Brodowski3e716612009-10-24 15:54:14 +0200184 goto failed;
Linus Torvalds1da177e2005-04-16 15:20:36 -0700185 }
186
Linus Torvalds1da177e2005-04-16 15:20:36 -0700187 info->host = host;
188
Dominik Brodowski15b99ac2006-03-31 17:26:06 +0200189 return 0;
190
Dominik Brodowski0e6f9d22008-07-29 08:38:55 +0200191failed:
Linus Torvalds1da177e2005-04-16 15:20:36 -0700192 aha152x_release_cs(link);
Dominik Brodowski15b99ac2006-03-31 17:26:06 +0200193 return -ENODEV;
Linus Torvalds1da177e2005-04-16 15:20:36 -0700194}
195
Dominik Brodowskifba395e2006-03-31 17:21:06 +0200196static void aha152x_release_cs(struct pcmcia_device *link)
Linus Torvalds1da177e2005-04-16 15:20:36 -0700197{
198 scsi_info_t *info = link->priv;
199
200 aha152x_release(info->host);
Dominik Brodowskifba395e2006-03-31 17:21:06 +0200201 pcmcia_disable_device(link);
Linus Torvalds1da177e2005-04-16 15:20:36 -0700202}
203
Dominik Brodowskifba395e2006-03-31 17:21:06 +0200204static int aha152x_resume(struct pcmcia_device *link)
Dominik Brodowski98e4c282005-11-14 21:21:18 +0100205{
Dominik Brodowski98e4c282005-11-14 21:21:18 +0100206 scsi_info_t *info = link->priv;
207
Dominik Brodowski8661bb52006-03-02 00:02:33 +0100208 aha152x_host_reset_host(info->host);
Dominik Brodowski98e4c282005-11-14 21:21:18 +0100209
210 return 0;
211}
212
Dominik Brodowski2dc27da2005-06-27 16:28:19 -0700213static struct pcmcia_device_id aha152x_ids[] = {
214 PCMCIA_DEVICE_PROD_ID123("New Media", "SCSI", "Bus Toaster", 0xcdf7e4cc, 0x35f26476, 0xa8851d6e),
215 PCMCIA_DEVICE_PROD_ID123("NOTEWORTHY", "SCSI", "Bus Toaster", 0xad89c6e8, 0x35f26476, 0xa8851d6e),
216 PCMCIA_DEVICE_PROD_ID12("Adaptec, Inc.", "APA-1460 SCSI Host Adapter", 0x24ba9738, 0x3a3c3d20),
217 PCMCIA_DEVICE_PROD_ID12("New Media Corporation", "Multimedia Sound/SCSI", 0x085a850b, 0x80a6535c),
218 PCMCIA_DEVICE_PROD_ID12("NOTEWORTHY", "NWCOMB02 SCSI/AUDIO COMBO CARD", 0xad89c6e8, 0x5f9a615b),
219 PCMCIA_DEVICE_NULL,
220};
221MODULE_DEVICE_TABLE(pcmcia, aha152x_ids);
222
Linus Torvalds1da177e2005-04-16 15:20:36 -0700223static struct pcmcia_driver aha152x_cs_driver = {
224 .owner = THIS_MODULE,
225 .drv = {
226 .name = "aha152x_cs",
227 },
Dominik Brodowski15b99ac2006-03-31 17:26:06 +0200228 .probe = aha152x_probe,
Dominik Brodowskicc3b4862005-11-14 21:23:14 +0100229 .remove = aha152x_detach,
Dominik Brodowski2dc27da2005-06-27 16:28:19 -0700230 .id_table = aha152x_ids,
Dominik Brodowski98e4c282005-11-14 21:21:18 +0100231 .resume = aha152x_resume,
Linus Torvalds1da177e2005-04-16 15:20:36 -0700232};
233
234static int __init init_aha152x_cs(void)
235{
236 return pcmcia_register_driver(&aha152x_cs_driver);
237}
238
239static void __exit exit_aha152x_cs(void)
240{
241 pcmcia_unregister_driver(&aha152x_cs_driver);
242 BUG_ON(dev_list != NULL);
243}
244
245module_init(init_aha152x_cs);
246module_exit(exit_aha152x_cs);