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pcmcia: move config_{base,index,regs} to struct pcmcia_device
[mirror_ubuntu-jammy-kernel.git] / drivers / isdn / hisax / sedlbauer_cs.c
CommitLineData
1da177e4
LT
1/*======================================================================
2
3 A Sedlbauer PCMCIA client driver
4
5 This driver is for the Sedlbauer Speed Star and Speed Star II,
6 which are ISDN PCMCIA Cards.
7
8 The contents of this file are subject to the Mozilla Public
9 License Version 1.1 (the "License"); you may not use this file
10 except in compliance with the License. You may obtain a copy of
11 the License at http://www.mozilla.org/MPL/
12
13 Software distributed under the License is distributed on an "AS
14 IS" basis, WITHOUT WARRANTY OF ANY KIND, either express or
15 implied. See the License for the specific language governing
16 rights and limitations under the License.
17
18 The initial developer of the original code is David A. Hinds
19 <dahinds@users.sourceforge.net>. Portions created by David A. Hinds
20 are Copyright (C) 1999 David A. Hinds. All Rights Reserved.
21
22 Modifications from dummy_cs.c are Copyright (C) 1999-2001 Marcus Niemann
23 <maniemann@users.sourceforge.net>. All Rights Reserved.
24
25 Alternatively, the contents of this file may be used under the
26 terms of the GNU General Public License version 2 (the "GPL"), in
27 which case the provisions of the GPL are applicable instead of the
28 above. If you wish to allow the use of your version of this file
29 only under the terms of the GPL and not to allow others to use
30 your version of this file under the MPL, indicate your decision
31 by deleting the provisions above and replace them with the notice
32 and other provisions required by the GPL. If you do not delete
33 the provisions above, a recipient may use your version of this
34 file under either the MPL or the GPL.
35
36======================================================================*/
37
38#include <linux/kernel.h>
39#include <linux/module.h>
40#include <linux/init.h>
1da177e4
LT
41#include <linux/ptrace.h>
42#include <linux/slab.h>
43#include <linux/string.h>
44#include <linux/timer.h>
45#include <linux/ioport.h>
46#include <asm/io.h>
47#include <asm/system.h>
48
1da177e4
LT
49#include <pcmcia/cs.h>
50#include <pcmcia/cistpl.h>
51#include <pcmcia/cisreg.h>
52#include <pcmcia/ds.h>
53#include "hisax_cfg.h"
54
55MODULE_DESCRIPTION("ISDN4Linux: PCMCIA client driver for Sedlbauer cards");
56MODULE_AUTHOR("Marcus Niemann");
57MODULE_LICENSE("Dual MPL/GPL");
58
1da177e4
LT
59
60/*====================================================================*/
61
62/* Parameters that can be set with 'insmod' */
63
64static int protocol = 2; /* EURO-ISDN Default */
65module_param(protocol, int, 0);
66
67/*====================================================================*/
68
69/*
70 The event() function is this driver's Card Services event handler.
71 It will be called by Card Services when an appropriate card status
72 event is received. The config() and release() entry points are
73 used to configure or release a socket, in response to card
74 insertion and ejection events. They are invoked from the sedlbauer
75 event handler.
76*/
77
93b39a0d 78static int sedlbauer_config(struct pcmcia_device *link) __devinit ;
fba395ee 79static void sedlbauer_release(struct pcmcia_device *link);
1da177e4
LT
80
81/*
82 The attach() and detach() entry points are used to create and destroy
83 "instances" of the driver, where each instance represents everything
84 needed to manage one actual PCMCIA card.
85*/
86
93b39a0d 87static void sedlbauer_detach(struct pcmcia_device *p_dev) __devexit;
1da177e4 88
1da177e4 89typedef struct local_info_t {
fd238232 90 struct pcmcia_device *p_dev;
1da177e4
LT
91 int stop;
92 int cardnr;
93} local_info_t;
94
95/*======================================================================
96
97 sedlbauer_attach() creates an "instance" of the driver, allocating
98 local data structures for one device. The device is registered
99 with Card Services.
100
101 The dev_link structure is initialized, but we don't actually
102 configure the card at this point -- we wait until we receive a
103 card insertion event.
104
105======================================================================*/
106
93b39a0d 107static int __devinit sedlbauer_probe(struct pcmcia_device *link)
1da177e4
LT
108{
109 local_info_t *local;
fba395ee 110
e773cfe1 111 dev_dbg(&link->dev, "sedlbauer_attach()\n");
1da177e4
LT
112
113 /* Allocate space for private device-specific data */
41f96935 114 local = kzalloc(sizeof(local_info_t), GFP_KERNEL);
f8cfa618 115 if (!local) return -ENOMEM;
1da177e4 116 local->cardnr = -1;
fd238232 117
fba395ee 118 local->p_dev = link;
fd238232
DB
119 link->priv = local;
120
1da177e4
LT
121 /*
122 General socket configuration defaults can go here. In this
123 client, we assume very little, and rely on the CIS for almost
124 everything. In most clients, many details (i.e., number, sizes,
125 and attributes of IO windows) are fixed by the nature of the
126 device, and can be hard-wired here.
127 */
128
129 /* from old sedl_cs
130 */
131 /* The io structure describes IO port mapping */
90abdc3b
DB
132 link->resource[0]->end = 8;
133 link->resource[0]->flags |= IO_DATA_PATH_WIDTH_8;
1da177e4 134
1da177e4 135 link->conf.Attributes = 0;
1da177e4 136
15b99ac1 137 return sedlbauer_config(link);
1da177e4
LT
138} /* sedlbauer_attach */
139
140/*======================================================================
141
142 This deletes a driver "instance". The device is de-registered
143 with Card Services. If it has been released, all local data
144 structures are freed. Otherwise, the structures will be freed
145 when the device is released.
146
147======================================================================*/
148
93b39a0d 149static void __devexit sedlbauer_detach(struct pcmcia_device *link)
1da177e4 150{
e773cfe1 151 dev_dbg(&link->dev, "sedlbauer_detach(0x%p)\n", link);
1da177e4 152
e2d40963
DB
153 ((local_info_t *)link->priv)->stop = 1;
154 sedlbauer_release(link);
1da177e4 155
e2d40963
DB
156 /* This points to the parent local_info_t struct */
157 kfree(link->priv);
1da177e4
LT
158} /* sedlbauer_detach */
159
160/*======================================================================
161
162 sedlbauer_config() is scheduled to run after a CARD_INSERTION event
163 is received, to configure the PCMCIA socket, and to make the
164 device available to the system.
165
166======================================================================*/
5fcd4da0
DB
167static int sedlbauer_config_check(struct pcmcia_device *p_dev,
168 cistpl_cftable_entry_t *cfg,
8e2fc39d 169 cistpl_cftable_entry_t *dflt,
ad913c11 170 unsigned int vcc,
5fcd4da0 171 void *priv_data)
1da177e4 172{
5fcd4da0
DB
173 if (cfg->index == 0)
174 return -ENODEV;
1da177e4 175
1da177e4 176 /* Does this card need audio output? */
fc301101 177 if (cfg->flags & CISTPL_CFTABLE_AUDIO)
5fcd4da0 178 p_dev->conf.Attributes |= CONF_ENABLE_SPKR;
5fcd4da0 179
1da177e4
LT
180 /* Use power settings for Vcc and Vpp if present */
181 /* Note that the CIS values need to be rescaled */
182 if (cfg->vcc.present & (1<<CISTPL_POWER_VNOM)) {
ad913c11 183 if (vcc != cfg->vcc.param[CISTPL_POWER_VNOM]/10000)
5fcd4da0 184 return -ENODEV;
8e2fc39d 185 } else if (dflt->vcc.present & (1<<CISTPL_POWER_VNOM)) {
ad913c11 186 if (vcc != dflt->vcc.param[CISTPL_POWER_VNOM]/10000)
5fcd4da0 187 return -ENODEV;
1da177e4 188 }
5fcd4da0 189
1da177e4 190 if (cfg->vpp1.present & (1<<CISTPL_POWER_VNOM))
e8405f0f 191 p_dev->vpp = cfg->vpp1.param[CISTPL_POWER_VNOM]/10000;
8e2fc39d 192 else if (dflt->vpp1.present & (1<<CISTPL_POWER_VNOM))
e8405f0f 193 p_dev->vpp = dflt->vpp1.param[CISTPL_POWER_VNOM]/10000;
5fcd4da0 194
eb14120f 195 p_dev->conf.Attributes |= CONF_ENABLE_IRQ;
5fcd4da0 196
1da177e4 197 /* IO window settings */
90abdc3b 198 p_dev->resource[0]->end = p_dev->resource[1]->end = 0;
8e2fc39d
DB
199 if ((cfg->io.nwin > 0) || (dflt->io.nwin > 0)) {
200 cistpl_io_t *io = (cfg->io.nwin) ? &cfg->io : &dflt->io;
90abdc3b
DB
201 p_dev->resource[0]->start = io->win[0].base;
202 p_dev->resource[0]->end = io->win[0].len;
203 p_dev->resource[0]->flags &= ~IO_DATA_PATH_WIDTH;
204 p_dev->resource[0]->flags |=
205 pcmcia_io_cfg_data_width(io->flags);
5fcd4da0 206 if (io->nwin > 1) {
90abdc3b
DB
207 p_dev->resource[1]->flags = p_dev->resource[0]->flags;
208 p_dev->resource[1]->start = io->win[1].base;
209 p_dev->resource[1]->end = io->win[1].len;
5fcd4da0
DB
210 }
211 /* This reserves IO space but doesn't actually enable it */
90abdc3b
DB
212 p_dev->io_lines = 3;
213 if (pcmcia_request_io(p_dev) != 0)
5fcd4da0 214 return -ENODEV;
1da177e4
LT
215 }
216
5fcd4da0
DB
217 return 0;
218}
219
220
221
93b39a0d 222static int __devinit sedlbauer_config(struct pcmcia_device *link)
5fcd4da0 223{
e773cfe1 224 int ret;
5fcd4da0
DB
225 IsdnCard_t icard;
226
e773cfe1 227 dev_dbg(&link->dev, "sedlbauer_config(0x%p)\n", link);
5fcd4da0 228
5fcd4da0
DB
229 /*
230 In this loop, we scan the CIS for configuration table entries,
231 each of which describes a valid card configuration, including
232 voltage, IO window, memory window, and interrupt settings.
233
234 We make no assumptions about the card to be configured: we use
235 just the information available in the CIS. In an ideal world,
236 this would work for any PCMCIA card, but it requires a complete
237 and accurate CIS. In practice, a driver usually "knows" most of
238 these things without consulting the CIS, and most client drivers
239 will only use the CIS to fill in implementation-defined details.
240 */
0f52e86d 241 ret = pcmcia_loop_config(link, sedlbauer_config_check, NULL);
e773cfe1 242 if (ret)
5fcd4da0 243 goto failed;
50db3fdb 244
1da177e4
LT
245 /*
246 This actually configures the PCMCIA socket -- setting up
247 the I/O windows and the interrupt mapping, and putting the
248 card and host interface into "Memory and IO" mode.
249 */
e773cfe1
DB
250 ret = pcmcia_request_configuration(link, &link->conf);
251 if (ret)
252 goto failed;
1da177e4 253
1da177e4 254 /* Finally, report what we've done */
ded6a1a3 255 dev_info(&link->dev, "index 0x%02x:",
7feabb64 256 link->config_index);
e8405f0f
DB
257 if (link->vpp)
258 printk(", Vpp %d.%d", link->vpp/10, link->vpp%10);
1da177e4 259 if (link->conf.Attributes & CONF_ENABLE_IRQ)
eb14120f 260 printk(", irq %d", link->irq);
9a017a91
DB
261 if (link->resource[0])
262 printk(" & %pR", link->resource[0]);
263 if (link->resource[1])
264 printk(" & %pR", link->resource[1]);
1da177e4 265 printk("\n");
1da177e4 266
eb14120f 267 icard.para[0] = link->irq;
9a017a91 268 icard.para[1] = link->resource[0]->start;
1da177e4
LT
269 icard.protocol = protocol;
270 icard.typ = ISDN_CTYPE_SEDLBAUER_PCMCIA;
271
e773cfe1
DB
272 ret = hisax_init_pcmcia(link,
273 &(((local_info_t *)link->priv)->stop), &icard);
274 if (ret < 0) {
9a017a91
DB
275 printk(KERN_ERR "sedlbauer_cs: failed to initialize SEDLBAUER PCMCIA %d with %pR\n",
276 ret, link->resource[0]);
1da177e4 277 sedlbauer_release(link);
15b99ac1 278 return -ENODEV;
1da177e4 279 } else
e773cfe1 280 ((local_info_t *)link->priv)->cardnr = ret;
1da177e4 281
15b99ac1 282 return 0;
1da177e4 283
5fcd4da0 284failed:
1da177e4 285 sedlbauer_release(link);
15b99ac1 286 return -ENODEV;
1da177e4
LT
287
288} /* sedlbauer_config */
289
290/*======================================================================
291
292 After a card is removed, sedlbauer_release() will unregister the
293 device, and release the PCMCIA configuration. If the device is
294 still open, this will be postponed until it is closed.
295
296======================================================================*/
297
fba395ee 298static void sedlbauer_release(struct pcmcia_device *link)
1da177e4
LT
299{
300 local_info_t *local = link->priv;
e773cfe1 301 dev_dbg(&link->dev, "sedlbauer_release(0x%p)\n", link);
1da177e4
LT
302
303 if (local) {
304 if (local->cardnr >= 0) {
305 /* no unregister function with hisax */
306 HiSax_closecard(local->cardnr);
307 }
308 }
1da177e4 309
fba395ee 310 pcmcia_disable_device(link);
1da177e4
LT
311} /* sedlbauer_release */
312
fba395ee 313static int sedlbauer_suspend(struct pcmcia_device *link)
98e4c28b 314{
98e4c28b
DB
315 local_info_t *dev = link->priv;
316
98e4c28b 317 dev->stop = 1;
98e4c28b
DB
318
319 return 0;
320}
321
fba395ee 322static int sedlbauer_resume(struct pcmcia_device *link)
98e4c28b 323{
98e4c28b
DB
324 local_info_t *dev = link->priv;
325
98e4c28b
DB
326 dev->stop = 0;
327
328 return 0;
329}
330
1da177e4 331
70799734 332static struct pcmcia_device_id sedlbauer_ids[] = {
84d370b9 333 PCMCIA_DEVICE_PROD_ID123("SEDLBAUER", "speed star II", "V 3.1", 0x81fb79f5, 0xf3612e1d, 0x6b95c78a),
70799734
DB
334 PCMCIA_DEVICE_PROD_ID123("SEDLBAUER", "ISDN-Adapter", "4D67", 0x81fb79f5, 0xe4e9bc12, 0x397b7e90),
335 PCMCIA_DEVICE_PROD_ID123("SEDLBAUER", "ISDN-Adapter", "4D98", 0x81fb79f5, 0xe4e9bc12, 0x2e5c7fce),
336 PCMCIA_DEVICE_PROD_ID123("SEDLBAUER", "ISDN-Adapter", " (C) 93-94 VK", 0x81fb79f5, 0xe4e9bc12, 0x8db143fe),
337 PCMCIA_DEVICE_PROD_ID123("SEDLBAUER", "ISDN-Adapter", " (c) 93-95 VK", 0x81fb79f5, 0xe4e9bc12, 0xb391ab4c),
338 PCMCIA_DEVICE_PROD_ID12("HST High Soft Tech GmbH", "Saphir II B", 0xd79e0b84, 0x21d083ae),
339/* PCMCIA_DEVICE_PROD_ID1234("SEDLBAUER", 0x81fb79f5), */ /* too generic*/
340 PCMCIA_DEVICE_NULL
341};
342MODULE_DEVICE_TABLE(pcmcia, sedlbauer_ids);
343
1da177e4
LT
344static struct pcmcia_driver sedlbauer_driver = {
345 .owner = THIS_MODULE,
346 .drv = {
347 .name = "sedlbauer_cs",
348 },
15b99ac1 349 .probe = sedlbauer_probe,
93b39a0d 350 .remove = __devexit_p(sedlbauer_detach),
70799734 351 .id_table = sedlbauer_ids,
98e4c28b
DB
352 .suspend = sedlbauer_suspend,
353 .resume = sedlbauer_resume,
1da177e4
LT
354};
355
356static int __init init_sedlbauer_cs(void)
357{
358 return pcmcia_register_driver(&sedlbauer_driver);
359}
360
361static void __exit exit_sedlbauer_cs(void)
362{
363 pcmcia_unregister_driver(&sedlbauer_driver);
1da177e4
LT
364}
365
366module_init(init_sedlbauer_cs);
367module_exit(exit_sedlbauer_cs);