[PATCH] pcmcia: new suspend core
[linux-2.6-block.git] / drivers / scsi / pcmcia / aha152x_stub.c
CommitLineData
1da177e4
LT
1/*======================================================================
2
3 A driver for Adaptec AHA152X-compatible PCMCIA SCSI cards.
4
5 This driver supports the Adaptec AHA-1460, the New Media Bus
6 Toaster, and the New Media Toast & Jam.
7
8 aha152x_cs.c 1.54 2000/06/12 21:27:25
9
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/
14
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.
19
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.
23
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.
34
35======================================================================*/
36
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>
48
49#include "scsi.h"
50#include <scsi/scsi_host.h>
51#include "aha152x.h"
52
1da177e4
LT
53#include <pcmcia/cs_types.h>
54#include <pcmcia/cs.h>
55#include <pcmcia/cistpl.h>
56#include <pcmcia/ds.h>
57
58#ifdef PCMCIA_DEBUG
59static int pc_debug = PCMCIA_DEBUG;
60module_param(pc_debug, int, 0644);
61#define DEBUG(n, args...) if (pc_debug>(n)) printk(KERN_DEBUG args)
62static char *version =
63"aha152x_cs.c 1.54 2000/06/12 21:27:25 (David Hinds)";
64#else
65#define DEBUG(n, args...)
66#endif
67
68/*====================================================================*/
69
70/* Parameters that can be set with 'insmod' */
71
72/* SCSI bus setup options */
73static int host_id = 7;
74static int reconnect = 1;
75static int parity = 1;
76static int synchronous = 1;
77static int reset_delay = 100;
78static int ext_trans = 0;
79
80module_param(host_id, int, 0);
81module_param(reconnect, int, 0);
82module_param(parity, int, 0);
83module_param(synchronous, int, 0);
84module_param(reset_delay, int, 0);
85module_param(ext_trans, int, 0);
86
87MODULE_LICENSE("Dual MPL/GPL");
88
89/*====================================================================*/
90
91typedef struct scsi_info_t {
92 dev_link_t link;
93 dev_node_t node;
94 struct Scsi_Host *host;
95} scsi_info_t;
96
97static void aha152x_release_cs(dev_link_t *link);
98static int aha152x_event(event_t event, int priority,
99 event_callback_args_t *args);
100
101static dev_link_t *aha152x_attach(void);
102static void aha152x_detach(dev_link_t *);
103
104static dev_link_t *dev_list;
105static dev_info_t dev_info = "aha152x_cs";
106
107static dev_link_t *aha152x_attach(void)
108{
109 scsi_info_t *info;
110 client_reg_t client_reg;
111 dev_link_t *link;
112 int ret;
113
114 DEBUG(0, "aha152x_attach()\n");
115
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;
121
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;
128 link->conf.Vcc = 50;
129 link->conf.IntType = INT_MEMORY_AND_IO;
130 link->conf.Present = PRESENT_OPTION;
131
132 /* Register with Card Services */
133 link->next = dev_list;
134 dev_list = link;
135 client_reg.dev_info = &dev_info;
1da177e4
LT
136 client_reg.Version = 0x0210;
137 client_reg.event_callback_args.client_data = link;
138 ret = pcmcia_register_client(&link->handle, &client_reg);
139 if (ret != 0) {
140 cs_error(link->handle, RegisterClient, ret);
141 aha152x_detach(link);
142 return NULL;
143 }
144
145 return link;
146} /* aha152x_attach */
147
148/*====================================================================*/
149
150static void aha152x_detach(dev_link_t *link)
151{
152 dev_link_t **linkp;
153
154 DEBUG(0, "aha152x_detach(0x%p)\n", link);
155
156 /* Locate device structure */
157 for (linkp = &dev_list; *linkp; linkp = &(*linkp)->next)
158 if (*linkp == link) break;
159 if (*linkp == NULL)
160 return;
161
162 if (link->state & DEV_CONFIG)
163 aha152x_release_cs(link);
164
165 if (link->handle)
166 pcmcia_deregister_client(link->handle);
167
168 /* Unlink device structure, free bits */
169 *linkp = link->next;
170 kfree(link->priv);
171
172} /* aha152x_detach */
173
174/*====================================================================*/
175
176#define CS_CHECK(fn, ret) \
177do { last_fn = (fn); if ((last_ret = (ret)) != 0) goto cs_failed; } while (0)
178
179static void aha152x_config_cs(dev_link_t *link)
180{
181 client_handle_t handle = link->handle;
182 scsi_info_t *info = link->priv;
183 struct aha152x_setup s;
184 tuple_t tuple;
185 cisparse_t parse;
186 int i, last_ret, last_fn;
187 u_char tuple_data[64];
188 struct Scsi_Host *host;
189
190 DEBUG(0, "aha152x_config(0x%p)\n", link);
191
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;
200
201 /* Configure card */
202 link->state |= DEV_CONFIG;
203
204 tuple.DesiredTuple = CISTPL_CFTABLE_ENTRY;
205 CS_CHECK(GetFirstTuple, pcmcia_get_first_tuple(handle, &tuple));
206 while (1) {
207 if (pcmcia_get_tuple_data(handle, &tuple) != 0 ||
208 pcmcia_parse_tuple(handle, &tuple, &parse) != 0)
209 goto next_entry;
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;
221 }
222 next_entry:
223 CS_CHECK(GetNextTuple, pcmcia_get_next_tuple(handle, &tuple));
224 }
225
226 CS_CHECK(RequestIRQ, pcmcia_request_irq(handle, &link->irq));
227 CS_CHECK(RequestConfiguration, pcmcia_request_configuration(handle, &link->conf));
228
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;
234 s.scsiid = host_id;
235 s.reconnect = reconnect;
236 s.parity = parity;
237 s.synchronous = synchronous;
238 s.delay = reset_delay;
239 if (ext_trans)
240 s.ext_trans = ext_trans;
241
242 host = aha152x_probe_one(&s);
243 if (host == NULL) {
244 printk(KERN_INFO "aha152x_cs: no SCSI devices found\n");
245 goto cs_failed;
246 }
247
248 sprintf(info->node.dev_name, "scsi%d", host->host_no);
249 link->dev = &info->node;
250 info->host = host;
251
252 link->state &= ~DEV_CONFIG_PENDING;
253 return;
254
255cs_failed:
256 cs_error(link->handle, last_fn, last_ret);
257 aha152x_release_cs(link);
258 return;
259}
260
261static void aha152x_release_cs(dev_link_t *link)
262{
263 scsi_info_t *info = link->priv;
264
265 aha152x_release(info->host);
266 link->dev = NULL;
267
268 pcmcia_release_configuration(link->handle);
269 pcmcia_release_io(link->handle, &link->io);
270 pcmcia_release_irq(link->handle, &link->irq);
271
272 link->state &= ~DEV_CONFIG;
273}
274
98e4c28b
DB
275static int aha152x_suspend(struct pcmcia_device *dev)
276{
277 dev_link_t *link = dev_to_instance(dev);
278
279 link->state |= DEV_SUSPEND;
280 if (link->state & DEV_CONFIG)
281 pcmcia_release_configuration(link->handle);
282
283 return 0;
284}
285
286static int aha152x_resume(struct pcmcia_device *dev)
287{
288 dev_link_t *link = dev_to_instance(dev);
289 scsi_info_t *info = link->priv;
290
291 link->state &= ~DEV_SUSPEND;
292 if (link->state & DEV_CONFIG) {
293 Scsi_Cmnd tmp;
294 pcmcia_request_configuration(link->handle, &link->conf);
295 tmp.device->host = info->host;
296 aha152x_host_reset(&tmp);
297 }
298
299 return 0;
300}
301
1da177e4
LT
302static int aha152x_event(event_t event, int priority,
303 event_callback_args_t *args)
304{
305 dev_link_t *link = args->client_data;
1da177e4
LT
306
307 DEBUG(0, "aha152x_event(0x%06x)\n", event);
308
309 switch (event) {
310 case CS_EVENT_CARD_REMOVAL:
311 link->state &= ~DEV_PRESENT;
312 if (link->state & DEV_CONFIG)
313 aha152x_release_cs(link);
314 break;
315 case CS_EVENT_CARD_INSERTION:
316 link->state |= DEV_PRESENT | DEV_CONFIG_PENDING;
317 aha152x_config_cs(link);
318 break;
1da177e4
LT
319 }
320 return 0;
321}
322
2dc27daa
DB
323static struct pcmcia_device_id aha152x_ids[] = {
324 PCMCIA_DEVICE_PROD_ID123("New Media", "SCSI", "Bus Toaster", 0xcdf7e4cc, 0x35f26476, 0xa8851d6e),
325 PCMCIA_DEVICE_PROD_ID123("NOTEWORTHY", "SCSI", "Bus Toaster", 0xad89c6e8, 0x35f26476, 0xa8851d6e),
326 PCMCIA_DEVICE_PROD_ID12("Adaptec, Inc.", "APA-1460 SCSI Host Adapter", 0x24ba9738, 0x3a3c3d20),
327 PCMCIA_DEVICE_PROD_ID12("New Media Corporation", "Multimedia Sound/SCSI", 0x085a850b, 0x80a6535c),
328 PCMCIA_DEVICE_PROD_ID12("NOTEWORTHY", "NWCOMB02 SCSI/AUDIO COMBO CARD", 0xad89c6e8, 0x5f9a615b),
329 PCMCIA_DEVICE_NULL,
330};
331MODULE_DEVICE_TABLE(pcmcia, aha152x_ids);
332
1da177e4
LT
333static struct pcmcia_driver aha152x_cs_driver = {
334 .owner = THIS_MODULE,
335 .drv = {
336 .name = "aha152x_cs",
337 },
338 .attach = aha152x_attach,
1e212f36 339 .event = aha152x_event,
1da177e4 340 .detach = aha152x_detach,
2dc27daa 341 .id_table = aha152x_ids,
98e4c28b
DB
342 .suspend = aha152x_suspend,
343 .resume = aha152x_resume,
1da177e4
LT
344};
345
346static int __init init_aha152x_cs(void)
347{
348 return pcmcia_register_driver(&aha152x_cs_driver);
349}
350
351static void __exit exit_aha152x_cs(void)
352{
353 pcmcia_unregister_driver(&aha152x_cs_driver);
354 BUG_ON(dev_list != NULL);
355}
356
357module_init(init_aha152x_cs);
358module_exit(exit_aha152x_cs);
359