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 {
94 struct Scsi_Host *host;
97 static void aha152x_release_cs(dev_link_t *link);
98 static void aha152x_detach(struct pcmcia_device *p_dev);
99 static void aha152x_config_cs(dev_link_t *link);
101 static dev_link_t *dev_list;
103 static int aha152x_attach(struct pcmcia_device *p_dev)
108 DEBUG(0, "aha152x_attach()\n");
110 /* Create new SCSI device */
111 info = kmalloc(sizeof(*info), GFP_KERNEL);
112 if (!info) return -ENOMEM;
113 memset(info, 0, sizeof(*info));
114 link = &info->link; link->priv = 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;
123 link->conf.IntType = INT_MEMORY_AND_IO;
124 link->conf.Present = PRESENT_OPTION;
126 link->handle = p_dev;
127 p_dev->instance = link;
129 link->state |= DEV_PRESENT | DEV_CONFIG_PENDING;
130 aha152x_config_cs(link);
133 } /* aha152x_attach */
135 /*====================================================================*/
137 static void aha152x_detach(struct pcmcia_device *p_dev)
139 dev_link_t *link = dev_to_instance(p_dev);
142 DEBUG(0, "aha152x_detach(0x%p)\n", link);
144 /* Locate device structure */
145 for (linkp = &dev_list; *linkp; linkp = &(*linkp)->next)
146 if (*linkp == link) break;
150 if (link->state & DEV_CONFIG)
151 aha152x_release_cs(link);
153 /* Unlink device structure, free bits */
157 } /* aha152x_detach */
159 /*====================================================================*/
161 #define CS_CHECK(fn, ret) \
162 do { last_fn = (fn); if ((last_ret = (ret)) != 0) goto cs_failed; } while (0)
164 static void aha152x_config_cs(dev_link_t *link)
166 client_handle_t handle = link->handle;
167 scsi_info_t *info = link->priv;
168 struct aha152x_setup s;
171 int i, last_ret, last_fn;
172 u_char tuple_data[64];
173 struct Scsi_Host *host;
175 DEBUG(0, "aha152x_config(0x%p)\n", link);
177 tuple.DesiredTuple = CISTPL_CONFIG;
178 tuple.TupleData = tuple_data;
179 tuple.TupleDataMax = 64;
180 tuple.TupleOffset = 0;
181 CS_CHECK(GetFirstTuple, pcmcia_get_first_tuple(handle, &tuple));
182 CS_CHECK(GetTupleData, pcmcia_get_tuple_data(handle, &tuple));
183 CS_CHECK(ParseTuple, pcmcia_parse_tuple(handle, &tuple, &parse));
184 link->conf.ConfigBase = parse.config.base;
187 link->state |= DEV_CONFIG;
189 tuple.DesiredTuple = CISTPL_CFTABLE_ENTRY;
190 CS_CHECK(GetFirstTuple, pcmcia_get_first_tuple(handle, &tuple));
192 if (pcmcia_get_tuple_data(handle, &tuple) != 0 ||
193 pcmcia_parse_tuple(handle, &tuple, &parse) != 0)
195 /* For New Media T&J, look for a SCSI window */
196 if (parse.cftable_entry.io.win[0].len >= 0x20)
197 link->io.BasePort1 = parse.cftable_entry.io.win[0].base;
198 else if ((parse.cftable_entry.io.nwin > 1) &&
199 (parse.cftable_entry.io.win[1].len >= 0x20))
200 link->io.BasePort1 = parse.cftable_entry.io.win[1].base;
201 if ((parse.cftable_entry.io.nwin > 0) &&
202 (link->io.BasePort1 < 0xffff)) {
203 link->conf.ConfigIndex = parse.cftable_entry.index;
204 i = pcmcia_request_io(handle, &link->io);
205 if (i == CS_SUCCESS) break;
208 CS_CHECK(GetNextTuple, pcmcia_get_next_tuple(handle, &tuple));
211 CS_CHECK(RequestIRQ, pcmcia_request_irq(handle, &link->irq));
212 CS_CHECK(RequestConfiguration, pcmcia_request_configuration(handle, &link->conf));
214 /* Set configuration options for the aha152x driver */
215 memset(&s, 0, sizeof(s));
216 s.conf = "PCMCIA setup";
217 s.io_port = link->io.BasePort1;
218 s.irq = link->irq.AssignedIRQ;
220 s.reconnect = reconnect;
222 s.synchronous = synchronous;
223 s.delay = reset_delay;
225 s.ext_trans = ext_trans;
227 host = aha152x_probe_one(&s);
229 printk(KERN_INFO "aha152x_cs: no SCSI devices found\n");
233 sprintf(info->node.dev_name, "scsi%d", host->host_no);
234 link->dev = &info->node;
237 link->state &= ~DEV_CONFIG_PENDING;
241 cs_error(link->handle, last_fn, last_ret);
242 aha152x_release_cs(link);
246 static void aha152x_release_cs(dev_link_t *link)
248 scsi_info_t *info = link->priv;
250 aha152x_release(info->host);
253 pcmcia_release_configuration(link->handle);
254 pcmcia_release_io(link->handle, &link->io);
255 pcmcia_release_irq(link->handle, &link->irq);
257 link->state &= ~DEV_CONFIG;
260 static int aha152x_suspend(struct pcmcia_device *dev)
262 dev_link_t *link = dev_to_instance(dev);
264 link->state |= DEV_SUSPEND;
265 if (link->state & DEV_CONFIG)
266 pcmcia_release_configuration(link->handle);
271 static int aha152x_resume(struct pcmcia_device *dev)
273 dev_link_t *link = dev_to_instance(dev);
274 scsi_info_t *info = link->priv;
276 link->state &= ~DEV_SUSPEND;
277 if (link->state & DEV_CONFIG) {
278 pcmcia_request_configuration(link->handle, &link->conf);
279 aha152x_host_reset_host(info->host);
285 static struct pcmcia_device_id aha152x_ids[] = {
286 PCMCIA_DEVICE_PROD_ID123("New Media", "SCSI", "Bus Toaster", 0xcdf7e4cc, 0x35f26476, 0xa8851d6e),
287 PCMCIA_DEVICE_PROD_ID123("NOTEWORTHY", "SCSI", "Bus Toaster", 0xad89c6e8, 0x35f26476, 0xa8851d6e),
288 PCMCIA_DEVICE_PROD_ID12("Adaptec, Inc.", "APA-1460 SCSI Host Adapter", 0x24ba9738, 0x3a3c3d20),
289 PCMCIA_DEVICE_PROD_ID12("New Media Corporation", "Multimedia Sound/SCSI", 0x085a850b, 0x80a6535c),
290 PCMCIA_DEVICE_PROD_ID12("NOTEWORTHY", "NWCOMB02 SCSI/AUDIO COMBO CARD", 0xad89c6e8, 0x5f9a615b),
293 MODULE_DEVICE_TABLE(pcmcia, aha152x_ids);
295 static struct pcmcia_driver aha152x_cs_driver = {
296 .owner = THIS_MODULE,
298 .name = "aha152x_cs",
300 .probe = aha152x_attach,
301 .remove = aha152x_detach,
302 .id_table = aha152x_ids,
303 .suspend = aha152x_suspend,
304 .resume = aha152x_resume,
307 static int __init init_aha152x_cs(void)
309 return pcmcia_register_driver(&aha152x_cs_driver);
312 static void __exit exit_aha152x_cs(void)
314 pcmcia_unregister_driver(&aha152x_cs_driver);
315 BUG_ON(dev_list != NULL);
318 module_init(init_aha152x_cs);
319 module_exit(exit_aha152x_cs);