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/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>
49 #include <scsi/scsi_host.h>
52 #include <pcmcia/cs_types.h>
53 #include <pcmcia/cs.h>
54 #include <pcmcia/cistpl.h>
55 #include <pcmcia/ds.h>
58 static int pc_debug = PCMCIA_DEBUG;
59 module_param(pc_debug, int, 0644);
60 #define DEBUG(n, args...) if (pc_debug>(n)) printk(KERN_DEBUG args)
61 static char *version =
62 "aha152x_cs.c 1.54 2000/06/12 21:27:25 (David Hinds)";
64 #define DEBUG(n, args...)
67 /*====================================================================*/
69 /* Parameters that can be set with 'insmod' */
71 /* SCSI bus setup options */
72 static int host_id = 7;
73 static int reconnect = 1;
74 static int parity = 1;
75 static int synchronous = 1;
76 static int reset_delay = 100;
77 static int ext_trans = 0;
79 module_param(host_id, int, 0);
80 module_param(reconnect, int, 0);
81 module_param(parity, int, 0);
82 module_param(synchronous, int, 0);
83 module_param(reset_delay, int, 0);
84 module_param(ext_trans, int, 0);
86 MODULE_LICENSE("Dual MPL/GPL");
88 /*====================================================================*/
90 typedef struct scsi_info_t {
91 struct pcmcia_device *p_dev;
93 struct Scsi_Host *host;
96 static void aha152x_release_cs(struct pcmcia_device *link);
97 static void aha152x_detach(struct pcmcia_device *p_dev);
98 static int aha152x_config_cs(struct pcmcia_device *link);
100 static struct pcmcia_device *dev_list;
102 static int aha152x_probe(struct pcmcia_device *link)
106 DEBUG(0, "aha152x_attach()\n");
108 /* Create new SCSI device */
109 info = kmalloc(sizeof(*info), GFP_KERNEL);
110 if (!info) return -ENOMEM;
111 memset(info, 0, sizeof(*info));
115 link->io.NumPorts1 = 0x20;
116 link->io.Attributes1 = IO_DATA_PATH_WIDTH_AUTO;
117 link->io.IOAddrLines = 10;
118 link->irq.Attributes = IRQ_TYPE_EXCLUSIVE;
119 link->irq.IRQInfo1 = IRQ_LEVEL_ID;
120 link->conf.Attributes = CONF_ENABLE_IRQ;
121 link->conf.IntType = INT_MEMORY_AND_IO;
122 link->conf.Present = PRESENT_OPTION;
124 return aha152x_config_cs(link);
125 } /* aha152x_attach */
127 /*====================================================================*/
129 static void aha152x_detach(struct pcmcia_device *link)
131 DEBUG(0, "aha152x_detach(0x%p)\n", link);
133 aha152x_release_cs(link);
135 /* Unlink device structure, free bits */
137 } /* aha152x_detach */
139 /*====================================================================*/
141 #define CS_CHECK(fn, ret) \
142 do { last_fn = (fn); if ((last_ret = (ret)) != 0) goto cs_failed; } while (0)
144 static int aha152x_config_cs(struct pcmcia_device *link)
146 scsi_info_t *info = link->priv;
147 struct aha152x_setup s;
150 int i, last_ret, last_fn;
151 u_char tuple_data[64];
152 struct Scsi_Host *host;
154 DEBUG(0, "aha152x_config(0x%p)\n", link);
156 tuple.TupleData = tuple_data;
157 tuple.TupleDataMax = 64;
158 tuple.TupleOffset = 0;
159 tuple.DesiredTuple = CISTPL_CFTABLE_ENTRY;
160 tuple.Attributes = 0;
161 CS_CHECK(GetFirstTuple, pcmcia_get_first_tuple(link, &tuple));
163 if (pcmcia_get_tuple_data(link, &tuple) != 0 ||
164 pcmcia_parse_tuple(link, &tuple, &parse) != 0)
166 /* For New Media T&J, look for a SCSI window */
167 if (parse.cftable_entry.io.win[0].len >= 0x20)
168 link->io.BasePort1 = parse.cftable_entry.io.win[0].base;
169 else if ((parse.cftable_entry.io.nwin > 1) &&
170 (parse.cftable_entry.io.win[1].len >= 0x20))
171 link->io.BasePort1 = parse.cftable_entry.io.win[1].base;
172 if ((parse.cftable_entry.io.nwin > 0) &&
173 (link->io.BasePort1 < 0xffff)) {
174 link->conf.ConfigIndex = parse.cftable_entry.index;
175 i = pcmcia_request_io(link, &link->io);
176 if (i == CS_SUCCESS) break;
179 CS_CHECK(GetNextTuple, pcmcia_get_next_tuple(link, &tuple));
182 CS_CHECK(RequestIRQ, pcmcia_request_irq(link, &link->irq));
183 CS_CHECK(RequestConfiguration, pcmcia_request_configuration(link, &link->conf));
185 /* Set configuration options for the aha152x driver */
186 memset(&s, 0, sizeof(s));
187 s.conf = "PCMCIA setup";
188 s.io_port = link->io.BasePort1;
189 s.irq = link->irq.AssignedIRQ;
191 s.reconnect = reconnect;
193 s.synchronous = synchronous;
194 s.delay = reset_delay;
196 s.ext_trans = ext_trans;
198 host = aha152x_probe_one(&s);
200 printk(KERN_INFO "aha152x_cs: no SCSI devices found\n");
204 sprintf(info->node.dev_name, "scsi%d", host->host_no);
205 link->dev_node = &info->node;
211 cs_error(link, last_fn, last_ret);
212 aha152x_release_cs(link);
216 static void aha152x_release_cs(struct pcmcia_device *link)
218 scsi_info_t *info = link->priv;
220 aha152x_release(info->host);
221 pcmcia_disable_device(link);
224 static int aha152x_resume(struct pcmcia_device *link)
226 scsi_info_t *info = link->priv;
228 aha152x_host_reset_host(info->host);
233 static struct pcmcia_device_id aha152x_ids[] = {
234 PCMCIA_DEVICE_PROD_ID123("New Media", "SCSI", "Bus Toaster", 0xcdf7e4cc, 0x35f26476, 0xa8851d6e),
235 PCMCIA_DEVICE_PROD_ID123("NOTEWORTHY", "SCSI", "Bus Toaster", 0xad89c6e8, 0x35f26476, 0xa8851d6e),
236 PCMCIA_DEVICE_PROD_ID12("Adaptec, Inc.", "APA-1460 SCSI Host Adapter", 0x24ba9738, 0x3a3c3d20),
237 PCMCIA_DEVICE_PROD_ID12("New Media Corporation", "Multimedia Sound/SCSI", 0x085a850b, 0x80a6535c),
238 PCMCIA_DEVICE_PROD_ID12("NOTEWORTHY", "NWCOMB02 SCSI/AUDIO COMBO CARD", 0xad89c6e8, 0x5f9a615b),
241 MODULE_DEVICE_TABLE(pcmcia, aha152x_ids);
243 static struct pcmcia_driver aha152x_cs_driver = {
244 .owner = THIS_MODULE,
246 .name = "aha152x_cs",
248 .probe = aha152x_probe,
249 .remove = aha152x_detach,
250 .id_table = aha152x_ids,
251 .resume = aha152x_resume,
254 static int __init init_aha152x_cs(void)
256 return pcmcia_register_driver(&aha152x_cs_driver);
259 static void __exit exit_aha152x_cs(void)
261 pcmcia_unregister_driver(&aha152x_cs_driver);
262 BUG_ON(dev_list != NULL);
265 module_init(init_aha152x_cs);
266 module_exit(exit_aha152x_cs);