1 /*======================================================================
3 A driver for Adaptec AHA152X-compatible PCMCIA SCSI cards.
5 This driver supports the Adaptec AHA-1460, the New Media Bus
6 Toaster, and the New Media Toast & Jam.
8 aha152x_cs.c 1.54 2000/06/12 21:27:25
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/
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.
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.
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.
35 ======================================================================*/
37 #include <linux/module.h>
38 #include <linux/init.h>
39 #include <linux/kernel.h>
40 #include <linux/sched.h>
41 #include <linux/slab.h>
42 #include <linux/string.h>
43 #include <linux/ioport.h>
44 #include <scsi/scsi.h>
45 #include <linux/major.h>
46 #include <linux/blkdev.h>
47 #include <scsi/scsi_ioctl.h>
50 #include <scsi/scsi_host.h>
53 #include <pcmcia/cs_types.h>
54 #include <pcmcia/cs.h>
55 #include <pcmcia/cistpl.h>
56 #include <pcmcia/ds.h>
59 static int pc_debug = PCMCIA_DEBUG;
60 module_param(pc_debug, int, 0644);
61 #define DEBUG(n, args...) if (pc_debug>(n)) printk(KERN_DEBUG args)
62 static char *version =
63 "aha152x_cs.c 1.54 2000/06/12 21:27:25 (David Hinds)";
65 #define DEBUG(n, args...)
68 /*====================================================================*/
70 /* Parameters that can be set with 'insmod' */
72 /* SCSI bus setup options */
73 static int host_id = 7;
74 static int reconnect = 1;
75 static int parity = 1;
76 static int synchronous = 1;
77 static int reset_delay = 100;
78 static int ext_trans = 0;
80 module_param(host_id, int, 0);
81 module_param(reconnect, int, 0);
82 module_param(parity, int, 0);
83 module_param(synchronous, int, 0);
84 module_param(reset_delay, int, 0);
85 module_param(ext_trans, int, 0);
87 MODULE_LICENSE("Dual MPL/GPL");
89 /*====================================================================*/
91 typedef struct scsi_info_t {
92 struct pcmcia_device *p_dev;
94 struct Scsi_Host *host;
97 static void aha152x_release_cs(struct pcmcia_device *link);
98 static void aha152x_detach(struct pcmcia_device *p_dev);
99 static int aha152x_config_cs(struct pcmcia_device *link);
101 static struct pcmcia_device *dev_list;
103 static int aha152x_probe(struct pcmcia_device *link)
107 DEBUG(0, "aha152x_attach()\n");
109 /* Create new SCSI device */
110 info = kmalloc(sizeof(*info), GFP_KERNEL);
111 if (!info) return -ENOMEM;
112 memset(info, 0, sizeof(*info));
116 link->io.NumPorts1 = 0x20;
117 link->io.Attributes1 = IO_DATA_PATH_WIDTH_AUTO;
118 link->io.IOAddrLines = 10;
119 link->irq.Attributes = IRQ_TYPE_EXCLUSIVE;
120 link->irq.IRQInfo1 = IRQ_LEVEL_ID;
121 link->conf.Attributes = CONF_ENABLE_IRQ;
122 link->conf.IntType = INT_MEMORY_AND_IO;
123 link->conf.Present = PRESENT_OPTION;
125 return aha152x_config_cs(link);
126 } /* aha152x_attach */
128 /*====================================================================*/
130 static void aha152x_detach(struct pcmcia_device *link)
132 DEBUG(0, "aha152x_detach(0x%p)\n", link);
134 aha152x_release_cs(link);
136 /* Unlink device structure, free bits */
138 } /* aha152x_detach */
140 /*====================================================================*/
142 #define CS_CHECK(fn, ret) \
143 do { last_fn = (fn); if ((last_ret = (ret)) != 0) goto cs_failed; } while (0)
145 static int aha152x_config_cs(struct pcmcia_device *link)
147 scsi_info_t *info = link->priv;
148 struct aha152x_setup s;
151 int i, last_ret, last_fn;
152 u_char tuple_data[64];
153 struct Scsi_Host *host;
155 DEBUG(0, "aha152x_config(0x%p)\n", link);
157 tuple.TupleData = tuple_data;
158 tuple.TupleDataMax = 64;
159 tuple.TupleOffset = 0;
160 tuple.DesiredTuple = CISTPL_CFTABLE_ENTRY;
161 tuple.Attributes = 0;
162 CS_CHECK(GetFirstTuple, pcmcia_get_first_tuple(link, &tuple));
164 if (pcmcia_get_tuple_data(link, &tuple) != 0 ||
165 pcmcia_parse_tuple(link, &tuple, &parse) != 0)
167 /* For New Media T&J, look for a SCSI window */
168 if (parse.cftable_entry.io.win[0].len >= 0x20)
169 link->io.BasePort1 = parse.cftable_entry.io.win[0].base;
170 else if ((parse.cftable_entry.io.nwin > 1) &&
171 (parse.cftable_entry.io.win[1].len >= 0x20))
172 link->io.BasePort1 = parse.cftable_entry.io.win[1].base;
173 if ((parse.cftable_entry.io.nwin > 0) &&
174 (link->io.BasePort1 < 0xffff)) {
175 link->conf.ConfigIndex = parse.cftable_entry.index;
176 i = pcmcia_request_io(link, &link->io);
177 if (i == CS_SUCCESS) break;
180 CS_CHECK(GetNextTuple, pcmcia_get_next_tuple(link, &tuple));
183 CS_CHECK(RequestIRQ, pcmcia_request_irq(link, &link->irq));
184 CS_CHECK(RequestConfiguration, pcmcia_request_configuration(link, &link->conf));
186 /* Set configuration options for the aha152x driver */
187 memset(&s, 0, sizeof(s));
188 s.conf = "PCMCIA setup";
189 s.io_port = link->io.BasePort1;
190 s.irq = link->irq.AssignedIRQ;
192 s.reconnect = reconnect;
194 s.synchronous = synchronous;
195 s.delay = reset_delay;
197 s.ext_trans = ext_trans;
199 host = aha152x_probe_one(&s);
201 printk(KERN_INFO "aha152x_cs: no SCSI devices found\n");
205 sprintf(info->node.dev_name, "scsi%d", host->host_no);
206 link->dev_node = &info->node;
212 cs_error(link, last_fn, last_ret);
213 aha152x_release_cs(link);
217 static void aha152x_release_cs(struct pcmcia_device *link)
219 scsi_info_t *info = link->priv;
221 aha152x_release(info->host);
222 pcmcia_disable_device(link);
225 static int aha152x_resume(struct pcmcia_device *link)
227 scsi_info_t *info = link->priv;
229 aha152x_host_reset_host(info->host);
234 static struct pcmcia_device_id aha152x_ids[] = {
235 PCMCIA_DEVICE_PROD_ID123("New Media", "SCSI", "Bus Toaster", 0xcdf7e4cc, 0x35f26476, 0xa8851d6e),
236 PCMCIA_DEVICE_PROD_ID123("NOTEWORTHY", "SCSI", "Bus Toaster", 0xad89c6e8, 0x35f26476, 0xa8851d6e),
237 PCMCIA_DEVICE_PROD_ID12("Adaptec, Inc.", "APA-1460 SCSI Host Adapter", 0x24ba9738, 0x3a3c3d20),
238 PCMCIA_DEVICE_PROD_ID12("New Media Corporation", "Multimedia Sound/SCSI", 0x085a850b, 0x80a6535c),
239 PCMCIA_DEVICE_PROD_ID12("NOTEWORTHY", "NWCOMB02 SCSI/AUDIO COMBO CARD", 0xad89c6e8, 0x5f9a615b),
242 MODULE_DEVICE_TABLE(pcmcia, aha152x_ids);
244 static struct pcmcia_driver aha152x_cs_driver = {
245 .owner = THIS_MODULE,
247 .name = "aha152x_cs",
249 .probe = aha152x_probe,
250 .remove = aha152x_detach,
251 .id_table = aha152x_ids,
252 .resume = aha152x_resume,
255 static int __init init_aha152x_cs(void)
257 return pcmcia_register_driver(&aha152x_cs_driver);
260 static void __exit exit_aha152x_cs(void)
262 pcmcia_unregister_driver(&aha152x_cs_driver);
263 BUG_ON(dev_list != NULL);
266 module_init(init_aha152x_cs);
267 module_exit(exit_aha152x_cs);