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 void aha152x_config_cs(struct pcmcia_device *link);
101 static struct pcmcia_device *dev_list;
103 static int aha152x_attach(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 link->state |= DEV_PRESENT | DEV_CONFIG_PENDING;
126 aha152x_config_cs(link);
129 } /* aha152x_attach */
131 /*====================================================================*/
133 static void aha152x_detach(struct pcmcia_device *link)
135 DEBUG(0, "aha152x_detach(0x%p)\n", link);
137 if (link->state & DEV_CONFIG)
138 aha152x_release_cs(link);
140 /* Unlink device structure, free bits */
142 } /* aha152x_detach */
144 /*====================================================================*/
146 #define CS_CHECK(fn, ret) \
147 do { last_fn = (fn); if ((last_ret = (ret)) != 0) goto cs_failed; } while (0)
149 static void aha152x_config_cs(struct pcmcia_device *link)
151 scsi_info_t *info = link->priv;
152 struct aha152x_setup s;
155 int i, last_ret, last_fn;
156 u_char tuple_data[64];
157 struct Scsi_Host *host;
159 DEBUG(0, "aha152x_config(0x%p)\n", link);
161 tuple.DesiredTuple = CISTPL_CONFIG;
162 tuple.TupleData = tuple_data;
163 tuple.TupleDataMax = 64;
164 tuple.TupleOffset = 0;
165 CS_CHECK(GetFirstTuple, pcmcia_get_first_tuple(link, &tuple));
166 CS_CHECK(GetTupleData, pcmcia_get_tuple_data(link, &tuple));
167 CS_CHECK(ParseTuple, pcmcia_parse_tuple(link, &tuple, &parse));
168 link->conf.ConfigBase = parse.config.base;
171 link->state |= DEV_CONFIG;
173 tuple.DesiredTuple = CISTPL_CFTABLE_ENTRY;
174 CS_CHECK(GetFirstTuple, pcmcia_get_first_tuple(link, &tuple));
176 if (pcmcia_get_tuple_data(link, &tuple) != 0 ||
177 pcmcia_parse_tuple(link, &tuple, &parse) != 0)
179 /* For New Media T&J, look for a SCSI window */
180 if (parse.cftable_entry.io.win[0].len >= 0x20)
181 link->io.BasePort1 = parse.cftable_entry.io.win[0].base;
182 else if ((parse.cftable_entry.io.nwin > 1) &&
183 (parse.cftable_entry.io.win[1].len >= 0x20))
184 link->io.BasePort1 = parse.cftable_entry.io.win[1].base;
185 if ((parse.cftable_entry.io.nwin > 0) &&
186 (link->io.BasePort1 < 0xffff)) {
187 link->conf.ConfigIndex = parse.cftable_entry.index;
188 i = pcmcia_request_io(link, &link->io);
189 if (i == CS_SUCCESS) break;
192 CS_CHECK(GetNextTuple, pcmcia_get_next_tuple(link, &tuple));
195 CS_CHECK(RequestIRQ, pcmcia_request_irq(link, &link->irq));
196 CS_CHECK(RequestConfiguration, pcmcia_request_configuration(link, &link->conf));
198 /* Set configuration options for the aha152x driver */
199 memset(&s, 0, sizeof(s));
200 s.conf = "PCMCIA setup";
201 s.io_port = link->io.BasePort1;
202 s.irq = link->irq.AssignedIRQ;
204 s.reconnect = reconnect;
206 s.synchronous = synchronous;
207 s.delay = reset_delay;
209 s.ext_trans = ext_trans;
211 host = aha152x_probe_one(&s);
213 printk(KERN_INFO "aha152x_cs: no SCSI devices found\n");
217 sprintf(info->node.dev_name, "scsi%d", host->host_no);
218 link->dev_node = &info->node;
221 link->state &= ~DEV_CONFIG_PENDING;
225 cs_error(link, last_fn, last_ret);
226 aha152x_release_cs(link);
230 static void aha152x_release_cs(struct pcmcia_device *link)
232 scsi_info_t *info = link->priv;
234 aha152x_release(info->host);
235 pcmcia_disable_device(link);
238 static int aha152x_resume(struct pcmcia_device *link)
240 scsi_info_t *info = link->priv;
242 aha152x_host_reset_host(info->host);
247 static struct pcmcia_device_id aha152x_ids[] = {
248 PCMCIA_DEVICE_PROD_ID123("New Media", "SCSI", "Bus Toaster", 0xcdf7e4cc, 0x35f26476, 0xa8851d6e),
249 PCMCIA_DEVICE_PROD_ID123("NOTEWORTHY", "SCSI", "Bus Toaster", 0xad89c6e8, 0x35f26476, 0xa8851d6e),
250 PCMCIA_DEVICE_PROD_ID12("Adaptec, Inc.", "APA-1460 SCSI Host Adapter", 0x24ba9738, 0x3a3c3d20),
251 PCMCIA_DEVICE_PROD_ID12("New Media Corporation", "Multimedia Sound/SCSI", 0x085a850b, 0x80a6535c),
252 PCMCIA_DEVICE_PROD_ID12("NOTEWORTHY", "NWCOMB02 SCSI/AUDIO COMBO CARD", 0xad89c6e8, 0x5f9a615b),
255 MODULE_DEVICE_TABLE(pcmcia, aha152x_ids);
257 static struct pcmcia_driver aha152x_cs_driver = {
258 .owner = THIS_MODULE,
260 .name = "aha152x_cs",
262 .probe = aha152x_attach,
263 .remove = aha152x_detach,
264 .id_table = aha152x_ids,
265 .resume = aha152x_resume,
268 static int __init init_aha152x_cs(void)
270 return pcmcia_register_driver(&aha152x_cs_driver);
273 static void __exit exit_aha152x_cs(void)
275 pcmcia_unregister_driver(&aha152x_cs_driver);
276 BUG_ON(dev_list != NULL);
279 module_init(init_aha152x_cs);
280 module_exit(exit_aha152x_cs);