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/version.h>
54 #include <pcmcia/cs_types.h>
55 #include <pcmcia/cs.h>
56 #include <pcmcia/cistpl.h>
57 #include <pcmcia/ds.h>
60 static int pc_debug = PCMCIA_DEBUG;
61 module_param(pc_debug, int, 0644);
62 #define DEBUG(n, args...) if (pc_debug>(n)) printk(KERN_DEBUG args)
63 static char *version =
64 "aha152x_cs.c 1.54 2000/06/12 21:27:25 (David Hinds)";
66 #define DEBUG(n, args...)
69 /*====================================================================*/
71 /* Parameters that can be set with 'insmod' */
73 /* SCSI bus setup options */
74 static int host_id = 7;
75 static int reconnect = 1;
76 static int parity = 1;
77 static int synchronous = 1;
78 static int reset_delay = 100;
79 static int ext_trans = 0;
81 module_param(host_id, int, 0);
82 module_param(reconnect, int, 0);
83 module_param(parity, int, 0);
84 module_param(synchronous, int, 0);
85 module_param(reset_delay, int, 0);
86 module_param(ext_trans, int, 0);
88 MODULE_LICENSE("Dual MPL/GPL");
90 /*====================================================================*/
92 typedef struct scsi_info_t {
95 struct Scsi_Host *host;
98 static void aha152x_release_cs(dev_link_t *link);
99 static int aha152x_event(event_t event, int priority,
100 event_callback_args_t *args);
102 static dev_link_t *aha152x_attach(void);
103 static void aha152x_detach(dev_link_t *);
105 static dev_link_t *dev_list;
106 static dev_info_t dev_info = "aha152x_cs";
108 static dev_link_t *aha152x_attach(void)
111 client_reg_t client_reg;
115 DEBUG(0, "aha152x_attach()\n");
117 /* Create new SCSI device */
118 info = kmalloc(sizeof(*info), GFP_KERNEL);
119 if (!info) return NULL;
120 memset(info, 0, sizeof(*info));
121 link = &info->link; link->priv = info;
123 link->io.NumPorts1 = 0x20;
124 link->io.Attributes1 = IO_DATA_PATH_WIDTH_AUTO;
125 link->io.IOAddrLines = 10;
126 link->irq.Attributes = IRQ_TYPE_EXCLUSIVE;
127 link->irq.IRQInfo1 = IRQ_LEVEL_ID;
128 link->conf.Attributes = CONF_ENABLE_IRQ;
130 link->conf.IntType = INT_MEMORY_AND_IO;
131 link->conf.Present = PRESENT_OPTION;
133 /* Register with Card Services */
134 link->next = dev_list;
136 client_reg.dev_info = &dev_info;
137 client_reg.Version = 0x0210;
138 client_reg.event_callback_args.client_data = link;
139 ret = pcmcia_register_client(&link->handle, &client_reg);
141 cs_error(link->handle, RegisterClient, ret);
142 aha152x_detach(link);
147 } /* aha152x_attach */
149 /*====================================================================*/
151 static void aha152x_detach(dev_link_t *link)
155 DEBUG(0, "aha152x_detach(0x%p)\n", link);
157 /* Locate device structure */
158 for (linkp = &dev_list; *linkp; linkp = &(*linkp)->next)
159 if (*linkp == link) break;
163 if (link->state & DEV_CONFIG)
164 aha152x_release_cs(link);
167 pcmcia_deregister_client(link->handle);
169 /* Unlink device structure, free bits */
173 } /* aha152x_detach */
175 /*====================================================================*/
177 #define CS_CHECK(fn, ret) \
178 do { last_fn = (fn); if ((last_ret = (ret)) != 0) goto cs_failed; } while (0)
180 static void aha152x_config_cs(dev_link_t *link)
182 client_handle_t handle = link->handle;
183 scsi_info_t *info = link->priv;
184 struct aha152x_setup s;
187 int i, last_ret, last_fn;
188 u_char tuple_data[64];
189 struct Scsi_Host *host;
191 DEBUG(0, "aha152x_config(0x%p)\n", link);
193 tuple.DesiredTuple = CISTPL_CONFIG;
194 tuple.TupleData = tuple_data;
195 tuple.TupleDataMax = 64;
196 tuple.TupleOffset = 0;
197 CS_CHECK(GetFirstTuple, pcmcia_get_first_tuple(handle, &tuple));
198 CS_CHECK(GetTupleData, pcmcia_get_tuple_data(handle, &tuple));
199 CS_CHECK(ParseTuple, pcmcia_parse_tuple(handle, &tuple, &parse));
200 link->conf.ConfigBase = parse.config.base;
203 link->state |= DEV_CONFIG;
205 tuple.DesiredTuple = CISTPL_CFTABLE_ENTRY;
206 CS_CHECK(GetFirstTuple, pcmcia_get_first_tuple(handle, &tuple));
208 if (pcmcia_get_tuple_data(handle, &tuple) != 0 ||
209 pcmcia_parse_tuple(handle, &tuple, &parse) != 0)
211 /* For New Media T&J, look for a SCSI window */
212 if (parse.cftable_entry.io.win[0].len >= 0x20)
213 link->io.BasePort1 = parse.cftable_entry.io.win[0].base;
214 else if ((parse.cftable_entry.io.nwin > 1) &&
215 (parse.cftable_entry.io.win[1].len >= 0x20))
216 link->io.BasePort1 = parse.cftable_entry.io.win[1].base;
217 if ((parse.cftable_entry.io.nwin > 0) &&
218 (link->io.BasePort1 < 0xffff)) {
219 link->conf.ConfigIndex = parse.cftable_entry.index;
220 i = pcmcia_request_io(handle, &link->io);
221 if (i == CS_SUCCESS) break;
224 CS_CHECK(GetNextTuple, pcmcia_get_next_tuple(handle, &tuple));
227 CS_CHECK(RequestIRQ, pcmcia_request_irq(handle, &link->irq));
228 CS_CHECK(RequestConfiguration, pcmcia_request_configuration(handle, &link->conf));
230 /* Set configuration options for the aha152x driver */
231 memset(&s, 0, sizeof(s));
232 s.conf = "PCMCIA setup";
233 s.io_port = link->io.BasePort1;
234 s.irq = link->irq.AssignedIRQ;
236 s.reconnect = reconnect;
238 s.synchronous = synchronous;
239 s.delay = reset_delay;
241 s.ext_trans = ext_trans;
243 host = aha152x_probe_one(&s);
245 printk(KERN_INFO "aha152x_cs: no SCSI devices found\n");
249 sprintf(info->node.dev_name, "scsi%d", host->host_no);
250 link->dev = &info->node;
253 link->state &= ~DEV_CONFIG_PENDING;
257 cs_error(link->handle, last_fn, last_ret);
258 aha152x_release_cs(link);
262 static void aha152x_release_cs(dev_link_t *link)
264 scsi_info_t *info = link->priv;
266 aha152x_release(info->host);
269 pcmcia_release_configuration(link->handle);
270 pcmcia_release_io(link->handle, &link->io);
271 pcmcia_release_irq(link->handle, &link->irq);
273 link->state &= ~DEV_CONFIG;
276 static int aha152x_event(event_t event, int priority,
277 event_callback_args_t *args)
279 dev_link_t *link = args->client_data;
280 scsi_info_t *info = link->priv;
282 DEBUG(0, "aha152x_event(0x%06x)\n", event);
285 case CS_EVENT_CARD_REMOVAL:
286 link->state &= ~DEV_PRESENT;
287 if (link->state & DEV_CONFIG)
288 aha152x_release_cs(link);
290 case CS_EVENT_CARD_INSERTION:
291 link->state |= DEV_PRESENT | DEV_CONFIG_PENDING;
292 aha152x_config_cs(link);
294 case CS_EVENT_PM_SUSPEND:
295 link->state |= DEV_SUSPEND;
296 /* Fall through... */
297 case CS_EVENT_RESET_PHYSICAL:
298 if (link->state & DEV_CONFIG)
299 pcmcia_release_configuration(link->handle);
301 case CS_EVENT_PM_RESUME:
302 link->state &= ~DEV_SUSPEND;
303 /* Fall through... */
304 case CS_EVENT_CARD_RESET:
305 if (link->state & DEV_CONFIG) {
307 pcmcia_request_configuration(link->handle, &link->conf);
308 tmp.device->host = info->host;
309 aha152x_host_reset(&tmp);
316 static struct pcmcia_device_id aha152x_ids[] = {
317 PCMCIA_DEVICE_PROD_ID123("New Media", "SCSI", "Bus Toaster", 0xcdf7e4cc, 0x35f26476, 0xa8851d6e),
318 PCMCIA_DEVICE_PROD_ID123("NOTEWORTHY", "SCSI", "Bus Toaster", 0xad89c6e8, 0x35f26476, 0xa8851d6e),
319 PCMCIA_DEVICE_PROD_ID12("Adaptec, Inc.", "APA-1460 SCSI Host Adapter", 0x24ba9738, 0x3a3c3d20),
320 PCMCIA_DEVICE_PROD_ID12("New Media Corporation", "Multimedia Sound/SCSI", 0x085a850b, 0x80a6535c),
321 PCMCIA_DEVICE_PROD_ID12("NOTEWORTHY", "NWCOMB02 SCSI/AUDIO COMBO CARD", 0xad89c6e8, 0x5f9a615b),
324 MODULE_DEVICE_TABLE(pcmcia, aha152x_ids);
326 static struct pcmcia_driver aha152x_cs_driver = {
327 .owner = THIS_MODULE,
329 .name = "aha152x_cs",
331 .attach = aha152x_attach,
332 .event = aha152x_event,
333 .detach = aha152x_detach,
334 .id_table = aha152x_ids,
337 static int __init init_aha152x_cs(void)
339 return pcmcia_register_driver(&aha152x_cs_driver);
342 static void __exit exit_aha152x_cs(void)
344 pcmcia_unregister_driver(&aha152x_cs_driver);
345 BUG_ON(dev_list != NULL);
348 module_init(init_aha152x_cs);
349 module_exit(exit_aha152x_cs);