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 int aha152x_event(event_t event, int priority,
99 event_callback_args_t *args);
101 static dev_link_t *aha152x_attach(void);
102 static void aha152x_detach(dev_link_t *);
104 static dev_link_t *dev_list;
105 static dev_info_t dev_info = "aha152x_cs";
107 static dev_link_t *aha152x_attach(void)
110 client_reg_t client_reg;
114 DEBUG(0, "aha152x_attach()\n");
116 /* Create new SCSI device */
117 info = kmalloc(sizeof(*info), GFP_KERNEL);
118 if (!info) return NULL;
119 memset(info, 0, sizeof(*info));
120 link = &info->link; link->priv = info;
122 link->io.NumPorts1 = 0x20;
123 link->io.Attributes1 = IO_DATA_PATH_WIDTH_AUTO;
124 link->io.IOAddrLines = 10;
125 link->irq.Attributes = IRQ_TYPE_EXCLUSIVE;
126 link->irq.IRQInfo1 = IRQ_LEVEL_ID;
127 link->conf.Attributes = CONF_ENABLE_IRQ;
129 link->conf.IntType = INT_MEMORY_AND_IO;
130 link->conf.Present = PRESENT_OPTION;
132 /* Register with Card Services */
133 link->next = dev_list;
135 client_reg.dev_info = &dev_info;
136 client_reg.Version = 0x0210;
137 client_reg.event_callback_args.client_data = link;
138 ret = pcmcia_register_client(&link->handle, &client_reg);
140 cs_error(link->handle, RegisterClient, ret);
141 aha152x_detach(link);
146 } /* aha152x_attach */
148 /*====================================================================*/
150 static void aha152x_detach(dev_link_t *link)
154 DEBUG(0, "aha152x_detach(0x%p)\n", link);
156 /* Locate device structure */
157 for (linkp = &dev_list; *linkp; linkp = &(*linkp)->next)
158 if (*linkp == link) break;
162 if (link->state & DEV_CONFIG)
163 aha152x_release_cs(link);
166 pcmcia_deregister_client(link->handle);
168 /* Unlink device structure, free bits */
172 } /* aha152x_detach */
174 /*====================================================================*/
176 #define CS_CHECK(fn, ret) \
177 do { last_fn = (fn); if ((last_ret = (ret)) != 0) goto cs_failed; } while (0)
179 static void aha152x_config_cs(dev_link_t *link)
181 client_handle_t handle = link->handle;
182 scsi_info_t *info = link->priv;
183 struct aha152x_setup s;
186 int i, last_ret, last_fn;
187 u_char tuple_data[64];
188 struct Scsi_Host *host;
190 DEBUG(0, "aha152x_config(0x%p)\n", link);
192 tuple.DesiredTuple = CISTPL_CONFIG;
193 tuple.TupleData = tuple_data;
194 tuple.TupleDataMax = 64;
195 tuple.TupleOffset = 0;
196 CS_CHECK(GetFirstTuple, pcmcia_get_first_tuple(handle, &tuple));
197 CS_CHECK(GetTupleData, pcmcia_get_tuple_data(handle, &tuple));
198 CS_CHECK(ParseTuple, pcmcia_parse_tuple(handle, &tuple, &parse));
199 link->conf.ConfigBase = parse.config.base;
202 link->state |= DEV_CONFIG;
204 tuple.DesiredTuple = CISTPL_CFTABLE_ENTRY;
205 CS_CHECK(GetFirstTuple, pcmcia_get_first_tuple(handle, &tuple));
207 if (pcmcia_get_tuple_data(handle, &tuple) != 0 ||
208 pcmcia_parse_tuple(handle, &tuple, &parse) != 0)
210 /* For New Media T&J, look for a SCSI window */
211 if (parse.cftable_entry.io.win[0].len >= 0x20)
212 link->io.BasePort1 = parse.cftable_entry.io.win[0].base;
213 else if ((parse.cftable_entry.io.nwin > 1) &&
214 (parse.cftable_entry.io.win[1].len >= 0x20))
215 link->io.BasePort1 = parse.cftable_entry.io.win[1].base;
216 if ((parse.cftable_entry.io.nwin > 0) &&
217 (link->io.BasePort1 < 0xffff)) {
218 link->conf.ConfigIndex = parse.cftable_entry.index;
219 i = pcmcia_request_io(handle, &link->io);
220 if (i == CS_SUCCESS) break;
223 CS_CHECK(GetNextTuple, pcmcia_get_next_tuple(handle, &tuple));
226 CS_CHECK(RequestIRQ, pcmcia_request_irq(handle, &link->irq));
227 CS_CHECK(RequestConfiguration, pcmcia_request_configuration(handle, &link->conf));
229 /* Set configuration options for the aha152x driver */
230 memset(&s, 0, sizeof(s));
231 s.conf = "PCMCIA setup";
232 s.io_port = link->io.BasePort1;
233 s.irq = link->irq.AssignedIRQ;
235 s.reconnect = reconnect;
237 s.synchronous = synchronous;
238 s.delay = reset_delay;
240 s.ext_trans = ext_trans;
242 host = aha152x_probe_one(&s);
244 printk(KERN_INFO "aha152x_cs: no SCSI devices found\n");
248 sprintf(info->node.dev_name, "scsi%d", host->host_no);
249 link->dev = &info->node;
252 link->state &= ~DEV_CONFIG_PENDING;
256 cs_error(link->handle, last_fn, last_ret);
257 aha152x_release_cs(link);
261 static void aha152x_release_cs(dev_link_t *link)
263 scsi_info_t *info = link->priv;
265 aha152x_release(info->host);
268 pcmcia_release_configuration(link->handle);
269 pcmcia_release_io(link->handle, &link->io);
270 pcmcia_release_irq(link->handle, &link->irq);
272 link->state &= ~DEV_CONFIG;
275 static int aha152x_event(event_t event, int priority,
276 event_callback_args_t *args)
278 dev_link_t *link = args->client_data;
279 scsi_info_t *info = link->priv;
281 DEBUG(0, "aha152x_event(0x%06x)\n", event);
284 case CS_EVENT_CARD_REMOVAL:
285 link->state &= ~DEV_PRESENT;
286 if (link->state & DEV_CONFIG)
287 aha152x_release_cs(link);
289 case CS_EVENT_CARD_INSERTION:
290 link->state |= DEV_PRESENT | DEV_CONFIG_PENDING;
291 aha152x_config_cs(link);
293 case CS_EVENT_PM_SUSPEND:
294 link->state |= DEV_SUSPEND;
295 /* Fall through... */
296 case CS_EVENT_RESET_PHYSICAL:
297 if (link->state & DEV_CONFIG)
298 pcmcia_release_configuration(link->handle);
300 case CS_EVENT_PM_RESUME:
301 link->state &= ~DEV_SUSPEND;
302 /* Fall through... */
303 case CS_EVENT_CARD_RESET:
304 if (link->state & DEV_CONFIG) {
306 pcmcia_request_configuration(link->handle, &link->conf);
307 tmp.device->host = info->host;
308 aha152x_host_reset(&tmp);
315 static struct pcmcia_device_id aha152x_ids[] = {
316 PCMCIA_DEVICE_PROD_ID123("New Media", "SCSI", "Bus Toaster", 0xcdf7e4cc, 0x35f26476, 0xa8851d6e),
317 PCMCIA_DEVICE_PROD_ID123("NOTEWORTHY", "SCSI", "Bus Toaster", 0xad89c6e8, 0x35f26476, 0xa8851d6e),
318 PCMCIA_DEVICE_PROD_ID12("Adaptec, Inc.", "APA-1460 SCSI Host Adapter", 0x24ba9738, 0x3a3c3d20),
319 PCMCIA_DEVICE_PROD_ID12("New Media Corporation", "Multimedia Sound/SCSI", 0x085a850b, 0x80a6535c),
320 PCMCIA_DEVICE_PROD_ID12("NOTEWORTHY", "NWCOMB02 SCSI/AUDIO COMBO CARD", 0xad89c6e8, 0x5f9a615b),
323 MODULE_DEVICE_TABLE(pcmcia, aha152x_ids);
325 static struct pcmcia_driver aha152x_cs_driver = {
326 .owner = THIS_MODULE,
328 .name = "aha152x_cs",
330 .attach = aha152x_attach,
331 .event = aha152x_event,
332 .detach = aha152x_detach,
333 .id_table = aha152x_ids,
336 static int __init init_aha152x_cs(void)
338 return pcmcia_register_driver(&aha152x_cs_driver);
341 static void __exit exit_aha152x_cs(void)
343 pcmcia_unregister_driver(&aha152x_cs_driver);
344 BUG_ON(dev_list != NULL);
347 module_init(init_aha152x_cs);
348 module_exit(exit_aha152x_cs);