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38#include <linux/module.h>
39#include <linux/kernel.h>
40#include <linux/init.h>
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
49#include <pcmcia/cs_types.h>
50#include <pcmcia/cs.h>
51#include <pcmcia/cistpl.h>
52#include <pcmcia/cisreg.h>
53#include <pcmcia/ds.h>
54#include "hisax_cfg.h"
55
56MODULE_DESCRIPTION("ISDN4Linux: PCMCIA client driver for Elsa PCM cards");
57MODULE_AUTHOR("Klaus Lichtenwalder");
58MODULE_LICENSE("Dual MPL/GPL");
59
60
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64
65
66
67
68#ifdef PCMCIA_DEBUG
69static int pc_debug = PCMCIA_DEBUG;
70module_param(pc_debug, int, 0);
71#define DEBUG(n, args...) if (pc_debug>(n)) printk(KERN_DEBUG args);
72static char *version =
73"elsa_cs.c $Revision: 1.2.2.4 $ $Date: 2004/01/25 15:07:06 $ (K.Lichtenwalder)";
74#else
75#define DEBUG(n, args...)
76#endif
77
78
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80
81
82static int protocol = 2;
83module_param(protocol, int, 0);
84
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95
96static int elsa_cs_config(struct pcmcia_device *link);
97static void elsa_cs_release(struct pcmcia_device *link);
98
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103
104
105static void elsa_cs_detach(struct pcmcia_device *p_dev);
106
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121
122typedef struct local_info_t {
123 struct pcmcia_device *p_dev;
124 dev_node_t node;
125 int busy;
126 int cardnr;
127} local_info_t;
128
129
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139
140
141static int elsa_cs_probe(struct pcmcia_device *link)
142{
143 local_info_t *local;
144
145 DEBUG(0, "elsa_cs_attach()\n");
146
147
148 local = kzalloc(sizeof(local_info_t), GFP_KERNEL);
149 if (!local) return -ENOMEM;
150
151 local->p_dev = link;
152 link->priv = local;
153
154 local->cardnr = -1;
155
156
157 link->irq.Attributes = IRQ_TYPE_DYNAMIC_SHARING|IRQ_FIRST_SHARED;
158 link->irq.IRQInfo1 = IRQ_LEVEL_ID|IRQ_SHARE_ID;
159 link->irq.Handler = NULL;
160
161
162
163
164
165
166
167
168 link->io.NumPorts1 = 8;
169 link->io.Attributes1 = IO_DATA_PATH_WIDTH_AUTO;
170 link->io.IOAddrLines = 3;
171
172 link->conf.Attributes = CONF_ENABLE_IRQ;
173 link->conf.IntType = INT_MEMORY_AND_IO;
174
175 return elsa_cs_config(link);
176}
177
178
179
180
181
182
183
184
185
186
187static void elsa_cs_detach(struct pcmcia_device *link)
188{
189 local_info_t *info = link->priv;
190
191 DEBUG(0, "elsa_cs_detach(0x%p)\n", link);
192
193 info->busy = 1;
194 elsa_cs_release(link);
195
196 kfree(info);
197}
198
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201
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204
205
206
207static int elsa_cs_configcheck(struct pcmcia_device *p_dev,
208 cistpl_cftable_entry_t *cf,
209 cistpl_cftable_entry_t *dflt,
210 unsigned int vcc,
211 void *priv_data)
212{
213 int j;
214
215 if ((cf->io.nwin > 0) && cf->io.win[0].base) {
216 printk(KERN_INFO "(elsa_cs: looks like the 96 model)\n");
217 p_dev->io.BasePort1 = cf->io.win[0].base;
218 if (!pcmcia_request_io(p_dev, &p_dev->io))
219 return 0;
220 } else {
221 printk(KERN_INFO "(elsa_cs: looks like the 97 model)\n");
222 for (j = 0x2f0; j > 0x100; j -= 0x10) {
223 p_dev->io.BasePort1 = j;
224 if (!pcmcia_request_io(p_dev, &p_dev->io))
225 return 0;
226 }
227 }
228 return -ENODEV;
229}
230
231static int elsa_cs_config(struct pcmcia_device *link)
232{
233 local_info_t *dev;
234 int i, last_fn;
235 IsdnCard_t icard;
236
237 DEBUG(0, "elsa_config(0x%p)\n", link);
238 dev = link->priv;
239
240 i = pcmcia_loop_config(link, elsa_cs_configcheck, NULL);
241 if (i != 0) {
242 last_fn = RequestIO;
243 goto cs_failed;
244 }
245
246 i = pcmcia_request_irq(link, &link->irq);
247 if (i != 0) {
248 link->irq.AssignedIRQ = 0;
249 last_fn = RequestIRQ;
250 goto cs_failed;
251 }
252
253 i = pcmcia_request_configuration(link, &link->conf);
254 if (i != 0) {
255 last_fn = RequestConfiguration;
256 goto cs_failed;
257 }
258
259
260
261 sprintf(dev->node.dev_name, "elsa");
262 dev->node.major = dev->node.minor = 0x0;
263
264 link->dev_node = &dev->node;
265
266
267 printk(KERN_INFO "%s: index 0x%02x: ",
268 dev->node.dev_name, link->conf.ConfigIndex);
269 if (link->conf.Attributes & CONF_ENABLE_IRQ)
270 printk(", irq %d", link->irq.AssignedIRQ);
271 if (link->io.NumPorts1)
272 printk(", io 0x%04x-0x%04x", link->io.BasePort1,
273 link->io.BasePort1+link->io.NumPorts1-1);
274 if (link->io.NumPorts2)
275 printk(" & 0x%04x-0x%04x", link->io.BasePort2,
276 link->io.BasePort2+link->io.NumPorts2-1);
277 printk("\n");
278
279 icard.para[0] = link->irq.AssignedIRQ;
280 icard.para[1] = link->io.BasePort1;
281 icard.protocol = protocol;
282 icard.typ = ISDN_CTYPE_ELSA_PCMCIA;
283
284 i = hisax_init_pcmcia(link, &(((local_info_t*)link->priv)->busy), &icard);
285 if (i < 0) {
286 printk(KERN_ERR "elsa_cs: failed to initialize Elsa PCMCIA %d at i/o %#x\n",
287 i, link->io.BasePort1);
288 elsa_cs_release(link);
289 } else
290 ((local_info_t*)link->priv)->cardnr = i;
291
292 return 0;
293cs_failed:
294 cs_error(link, last_fn, i);
295 elsa_cs_release(link);
296 return -ENODEV;
297}
298
299
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302
303
304
305
306
307static void elsa_cs_release(struct pcmcia_device *link)
308{
309 local_info_t *local = link->priv;
310
311 DEBUG(0, "elsa_cs_release(0x%p)\n", link);
312
313 if (local) {
314 if (local->cardnr >= 0) {
315
316 HiSax_closecard(local->cardnr);
317 }
318 }
319
320 pcmcia_disable_device(link);
321}
322
323static int elsa_suspend(struct pcmcia_device *link)
324{
325 local_info_t *dev = link->priv;
326
327 dev->busy = 1;
328
329 return 0;
330}
331
332static int elsa_resume(struct pcmcia_device *link)
333{
334 local_info_t *dev = link->priv;
335
336 dev->busy = 0;
337
338 return 0;
339}
340
341static struct pcmcia_device_id elsa_ids[] = {
342 PCMCIA_DEVICE_PROD_ID12("ELSA AG (Aachen, Germany)", "MicroLink ISDN/MC ", 0x983de2c4, 0x333ba257),
343 PCMCIA_DEVICE_PROD_ID12("ELSA GmbH, Aachen", "MicroLink ISDN/MC ", 0x639e5718, 0x333ba257),
344 PCMCIA_DEVICE_NULL
345};
346MODULE_DEVICE_TABLE(pcmcia, elsa_ids);
347
348static struct pcmcia_driver elsa_cs_driver = {
349 .owner = THIS_MODULE,
350 .drv = {
351 .name = "elsa_cs",
352 },
353 .probe = elsa_cs_probe,
354 .remove = elsa_cs_detach,
355 .id_table = elsa_ids,
356 .suspend = elsa_suspend,
357 .resume = elsa_resume,
358};
359
360static int __init init_elsa_cs(void)
361{
362 return pcmcia_register_driver(&elsa_cs_driver);
363}
364
365static void __exit exit_elsa_cs(void)
366{
367 pcmcia_unregister_driver(&elsa_cs_driver);
368}
369
370module_init(init_elsa_cs);
371module_exit(exit_elsa_cs);
372