xref: /openbmc/linux/sound/isa/wavefront/wavefront.c (revision 61ef19d7)
1 /*
2  *  ALSA card-level driver for Turtle Beach Wavefront cards
3  *                                              (Maui,Tropez,Tropez+)
4  *
5  *  Copyright (c) 1997-1999 by Paul Barton-Davis <pbd@op.net>
6  *
7  *  This program is free software; you can redistribute it and/or modify
8  *  it under the terms of the GNU General Public License as published by
9  *  the Free Software Foundation; either version 2 of the License, or
10  *  (at your option) any later version.
11  *
12  *  This program is distributed in the hope that it will be useful,
13  *  but WITHOUT ANY WARRANTY; without even the implied warranty of
14  *  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
15  *  GNU General Public License for more details.
16  *
17  *  You should have received a copy of the GNU General Public License
18  *  along with this program; if not, write to the Free Software
19  *  Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307 USA
20  */
21 
22 #include <linux/init.h>
23 #include <linux/interrupt.h>
24 #include <linux/slab.h>
25 #include <linux/err.h>
26 #include <linux/isa.h>
27 #include <linux/pnp.h>
28 #include <linux/moduleparam.h>
29 #include <sound/core.h>
30 #include <sound/initval.h>
31 #include <sound/opl3.h>
32 #include <sound/wss.h>
33 #include <sound/snd_wavefront.h>
34 
35 MODULE_AUTHOR("Paul Barton-Davis <pbd@op.net>");
36 MODULE_DESCRIPTION("Turtle Beach Wavefront");
37 MODULE_LICENSE("GPL");
38 MODULE_SUPPORTED_DEVICE("{{Turtle Beach,Maui/Tropez/Tropez+}}");
39 
40 static int index[SNDRV_CARDS] = SNDRV_DEFAULT_IDX;	    /* Index 0-MAX */
41 static char *id[SNDRV_CARDS] = SNDRV_DEFAULT_STR;	    /* ID for this card */
42 static int enable[SNDRV_CARDS] = SNDRV_DEFAULT_ENABLE;	    /* Enable this card */
43 #ifdef CONFIG_PNP
44 static int isapnp[SNDRV_CARDS] = {[0 ... (SNDRV_CARDS - 1)] = 1};
45 #endif
46 static long cs4232_pcm_port[SNDRV_CARDS] = SNDRV_DEFAULT_PORT;	/* PnP setup */
47 static int cs4232_pcm_irq[SNDRV_CARDS] = SNDRV_DEFAULT_IRQ; /* 5,7,9,11,12,15 */
48 static long cs4232_mpu_port[SNDRV_CARDS] = SNDRV_DEFAULT_PORT; /* PnP setup */
49 static int cs4232_mpu_irq[SNDRV_CARDS] = SNDRV_DEFAULT_IRQ; /* 9,11,12,15 */
50 static long ics2115_port[SNDRV_CARDS] = SNDRV_DEFAULT_PORT; /* PnP setup */
51 static int ics2115_irq[SNDRV_CARDS] = SNDRV_DEFAULT_IRQ;    /* 2,9,11,12,15 */
52 static long fm_port[SNDRV_CARDS] = SNDRV_DEFAULT_PORT;	    /* PnP setup */
53 static int dma1[SNDRV_CARDS] = SNDRV_DEFAULT_DMA;	    /* 0,1,3,5,6,7 */
54 static int dma2[SNDRV_CARDS] = SNDRV_DEFAULT_DMA;	    /* 0,1,3,5,6,7 */
55 static int use_cs4232_midi[SNDRV_CARDS];
56 
57 module_param_array(index, int, NULL, 0444);
58 MODULE_PARM_DESC(index, "Index value for WaveFront soundcard.");
59 module_param_array(id, charp, NULL, 0444);
60 MODULE_PARM_DESC(id, "ID string for WaveFront soundcard.");
61 module_param_array(enable, bool, NULL, 0444);
62 MODULE_PARM_DESC(enable, "Enable WaveFront soundcard.");
63 #ifdef CONFIG_PNP
64 module_param_array(isapnp, bool, NULL, 0444);
65 MODULE_PARM_DESC(isapnp, "ISA PnP detection for WaveFront soundcards.");
66 #endif
67 module_param_array(cs4232_pcm_port, long, NULL, 0444);
68 MODULE_PARM_DESC(cs4232_pcm_port, "Port # for CS4232 PCM interface.");
69 module_param_array(cs4232_pcm_irq, int, NULL, 0444);
70 MODULE_PARM_DESC(cs4232_pcm_irq, "IRQ # for CS4232 PCM interface.");
71 module_param_array(dma1, int, NULL, 0444);
72 MODULE_PARM_DESC(dma1, "DMA1 # for CS4232 PCM interface.");
73 module_param_array(dma2, int, NULL, 0444);
74 MODULE_PARM_DESC(dma2, "DMA2 # for CS4232 PCM interface.");
75 module_param_array(cs4232_mpu_port, long, NULL, 0444);
76 MODULE_PARM_DESC(cs4232_mpu_port, "port # for CS4232 MPU-401 interface.");
77 module_param_array(cs4232_mpu_irq, int, NULL, 0444);
78 MODULE_PARM_DESC(cs4232_mpu_irq, "IRQ # for CS4232 MPU-401 interface.");
79 module_param_array(ics2115_irq, int, NULL, 0444);
80 MODULE_PARM_DESC(ics2115_irq, "IRQ # for ICS2115.");
81 module_param_array(ics2115_port, long, NULL, 0444);
82 MODULE_PARM_DESC(ics2115_port, "Port # for ICS2115.");
83 module_param_array(fm_port, long, NULL, 0444);
84 MODULE_PARM_DESC(fm_port, "FM port #.");
85 module_param_array(use_cs4232_midi, bool, NULL, 0444);
86 MODULE_PARM_DESC(use_cs4232_midi, "Use CS4232 MPU-401 interface (inaccessibly located inside your computer)");
87 
88 #ifdef CONFIG_PNP
89 static int isa_registered;
90 static int pnp_registered;
91 
92 static struct pnp_card_device_id snd_wavefront_pnpids[] = {
93 	/* Tropez */
94 	{ .id = "CSC7532", .devs = { { "CSC0000" }, { "CSC0010" }, { "PnPb006" }, { "CSC0004" } } },
95 	/* Tropez+ */
96 	{ .id = "CSC7632", .devs = { { "CSC0000" }, { "CSC0010" }, { "PnPb006" }, { "CSC0004" } } },
97 	{ .id = "" }
98 };
99 
100 MODULE_DEVICE_TABLE(pnp_card, snd_wavefront_pnpids);
101 
102 static int __devinit
103 snd_wavefront_pnp (int dev, snd_wavefront_card_t *acard, struct pnp_card_link *card,
104 		   const struct pnp_card_device_id *id)
105 {
106 	struct pnp_dev *pdev;
107 	int err;
108 
109 	/* Check for each logical device. */
110 
111 	/* CS4232 chip (aka "windows sound system") is logical device 0 */
112 
113 	acard->wss = pnp_request_card_device(card, id->devs[0].id, NULL);
114 	if (acard->wss == NULL)
115 		return -EBUSY;
116 
117 	/* there is a game port at logical device 1, but we ignore it completely */
118 
119 	/* the control interface is logical device 2, but we ignore it
120 	   completely. in fact, nobody even seems to know what it
121 	   does.
122 	*/
123 
124 	/* Only configure the CS4232 MIDI interface if its been
125 	   specifically requested. It is logical device 3.
126 	*/
127 
128 	if (use_cs4232_midi[dev]) {
129 		acard->mpu = pnp_request_card_device(card, id->devs[2].id, NULL);
130 		if (acard->mpu == NULL)
131 			return -EBUSY;
132 	}
133 
134 	/* The ICS2115 synth is logical device 4 */
135 
136 	acard->synth = pnp_request_card_device(card, id->devs[3].id, NULL);
137 	if (acard->synth == NULL)
138 		return -EBUSY;
139 
140 	/* PCM/FM initialization */
141 
142 	pdev = acard->wss;
143 
144 	/* An interesting note from the Tropez+ FAQ:
145 
146 	   Q. [Ports] Why is the base address of the WSS I/O ports off by 4?
147 
148 	   A. WSS I/O requires a block of 8 I/O addresses ("ports"). Of these, the first
149 	   4 are used to identify and configure the board. With the advent of PnP,
150 	   these first 4 addresses have become obsolete, and software applications
151 	   only use the last 4 addresses to control the codec chip. Therefore, the
152 	   base address setting "skips past" the 4 unused addresses.
153 
154 	*/
155 
156 	err = pnp_activate_dev(pdev);
157 	if (err < 0) {
158 		snd_printk(KERN_ERR "PnP WSS pnp configure failure\n");
159 		return err;
160 	}
161 
162 	cs4232_pcm_port[dev] = pnp_port_start(pdev, 0);
163 	fm_port[dev] = pnp_port_start(pdev, 1);
164 	dma1[dev] = pnp_dma(pdev, 0);
165 	dma2[dev] = pnp_dma(pdev, 1);
166 	cs4232_pcm_irq[dev] = pnp_irq(pdev, 0);
167 
168 	/* Synth initialization */
169 
170 	pdev = acard->synth;
171 
172 	err = pnp_activate_dev(pdev);
173 	if (err < 0) {
174 		snd_printk(KERN_ERR "PnP ICS2115 pnp configure failure\n");
175 		return err;
176 	}
177 
178 	ics2115_port[dev] = pnp_port_start(pdev, 0);
179 	ics2115_irq[dev] = pnp_irq(pdev, 0);
180 
181 	/* CS4232 MPU initialization. Configure this only if
182 	   explicitly requested, since its physically inaccessible and
183 	   consumes another IRQ.
184 	*/
185 
186 	if (use_cs4232_midi[dev]) {
187 
188 		pdev = acard->mpu;
189 
190 		err = pnp_activate_dev(pdev);
191 		if (err < 0) {
192 			snd_printk(KERN_ERR "PnP MPU401 pnp configure failure\n");
193 			cs4232_mpu_port[dev] = SNDRV_AUTO_PORT;
194 		} else {
195 			cs4232_mpu_port[dev] = pnp_port_start(pdev, 0);
196 			cs4232_mpu_irq[dev] = pnp_irq(pdev, 0);
197 		}
198 
199 		snd_printk (KERN_INFO "CS4232 MPU: port=0x%lx, irq=%i\n",
200 			    cs4232_mpu_port[dev],
201 			    cs4232_mpu_irq[dev]);
202 	}
203 
204 	snd_printdd ("CS4232: pcm port=0x%lx, fm port=0x%lx, dma1=%i, dma2=%i, irq=%i\nICS2115: port=0x%lx, irq=%i\n",
205 		    cs4232_pcm_port[dev],
206 		    fm_port[dev],
207 		    dma1[dev],
208 		    dma2[dev],
209 		    cs4232_pcm_irq[dev],
210 		    ics2115_port[dev],
211 		    ics2115_irq[dev]);
212 
213 	return 0;
214 }
215 
216 #endif /* CONFIG_PNP */
217 
218 static irqreturn_t snd_wavefront_ics2115_interrupt(int irq, void *dev_id)
219 {
220 	snd_wavefront_card_t *acard;
221 
222 	acard = (snd_wavefront_card_t *) dev_id;
223 
224 	if (acard == NULL)
225 		return IRQ_NONE;
226 
227 	if (acard->wavefront.interrupts_are_midi) {
228 		snd_wavefront_midi_interrupt (acard);
229 	} else {
230 		snd_wavefront_internal_interrupt (acard);
231 	}
232 	return IRQ_HANDLED;
233 }
234 
235 static struct snd_hwdep * __devinit
236 snd_wavefront_new_synth (struct snd_card *card,
237 			 int hw_dev,
238 			 snd_wavefront_card_t *acard)
239 {
240 	struct snd_hwdep *wavefront_synth;
241 
242 	if (snd_wavefront_detect (acard) < 0) {
243 		return NULL;
244 	}
245 
246 	if (snd_wavefront_start (&acard->wavefront) < 0) {
247 		return NULL;
248 	}
249 
250 	if (snd_hwdep_new(card, "WaveFront", hw_dev, &wavefront_synth) < 0)
251 		return NULL;
252 	strcpy (wavefront_synth->name,
253 		"WaveFront (ICS2115) wavetable synthesizer");
254 	wavefront_synth->ops.open = snd_wavefront_synth_open;
255 	wavefront_synth->ops.release = snd_wavefront_synth_release;
256 	wavefront_synth->ops.ioctl = snd_wavefront_synth_ioctl;
257 
258 	return wavefront_synth;
259 }
260 
261 static struct snd_hwdep * __devinit
262 snd_wavefront_new_fx (struct snd_card *card,
263 		      int hw_dev,
264 		      snd_wavefront_card_t *acard,
265 		      unsigned long port)
266 
267 {
268 	struct snd_hwdep *fx_processor;
269 
270 	if (snd_wavefront_fx_start (&acard->wavefront)) {
271 		snd_printk (KERN_ERR "cannot initialize YSS225 FX processor");
272 		return NULL;
273 	}
274 
275 	if (snd_hwdep_new (card, "YSS225", hw_dev, &fx_processor) < 0)
276 		return NULL;
277 	sprintf (fx_processor->name, "YSS225 FX Processor at 0x%lx", port);
278 	fx_processor->ops.open = snd_wavefront_fx_open;
279 	fx_processor->ops.release = snd_wavefront_fx_release;
280 	fx_processor->ops.ioctl = snd_wavefront_fx_ioctl;
281 
282 	return fx_processor;
283 }
284 
285 static snd_wavefront_mpu_id internal_id = internal_mpu;
286 static snd_wavefront_mpu_id external_id = external_mpu;
287 
288 static struct snd_rawmidi *__devinit
289 snd_wavefront_new_midi (struct snd_card *card,
290 			int midi_dev,
291 			snd_wavefront_card_t *acard,
292 			unsigned long port,
293 			snd_wavefront_mpu_id mpu)
294 
295 {
296 	struct snd_rawmidi *rmidi;
297 	static int first = 1;
298 
299 	if (first) {
300 		first = 0;
301 		acard->wavefront.midi.base = port;
302 		if (snd_wavefront_midi_start (acard)) {
303 			snd_printk (KERN_ERR "cannot initialize MIDI interface\n");
304 			return NULL;
305 		}
306 	}
307 
308 	if (snd_rawmidi_new (card, "WaveFront MIDI", midi_dev, 1, 1, &rmidi) < 0)
309 		return NULL;
310 
311 	if (mpu == internal_mpu) {
312 		strcpy(rmidi->name, "WaveFront MIDI (Internal)");
313 		rmidi->private_data = &internal_id;
314 	} else {
315 		strcpy(rmidi->name, "WaveFront MIDI (External)");
316 		rmidi->private_data = &external_id;
317 	}
318 
319 	snd_rawmidi_set_ops(rmidi, SNDRV_RAWMIDI_STREAM_OUTPUT, &snd_wavefront_midi_output);
320 	snd_rawmidi_set_ops(rmidi, SNDRV_RAWMIDI_STREAM_INPUT, &snd_wavefront_midi_input);
321 
322 	rmidi->info_flags |= SNDRV_RAWMIDI_INFO_OUTPUT |
323 	                     SNDRV_RAWMIDI_INFO_INPUT |
324 	                     SNDRV_RAWMIDI_INFO_DUPLEX;
325 
326 	return rmidi;
327 }
328 
329 static void
330 snd_wavefront_free(struct snd_card *card)
331 {
332 	snd_wavefront_card_t *acard = (snd_wavefront_card_t *)card->private_data;
333 
334 	if (acard) {
335 		release_and_free_resource(acard->wavefront.res_base);
336 		if (acard->wavefront.irq > 0)
337 			free_irq(acard->wavefront.irq, (void *)acard);
338 	}
339 }
340 
341 static struct snd_card *snd_wavefront_card_new(int dev)
342 {
343 	struct snd_card *card;
344 	snd_wavefront_card_t *acard;
345 
346 	card = snd_card_new (index[dev], id[dev], THIS_MODULE,
347 			     sizeof(snd_wavefront_card_t));
348 	if (card == NULL)
349 		return NULL;
350 
351 	acard = card->private_data;
352 	acard->wavefront.irq = -1;
353 	spin_lock_init(&acard->wavefront.irq_lock);
354 	init_waitqueue_head(&acard->wavefront.interrupt_sleeper);
355 	spin_lock_init(&acard->wavefront.midi.open);
356 	spin_lock_init(&acard->wavefront.midi.virtual);
357 	acard->wavefront.card = card;
358 	card->private_free = snd_wavefront_free;
359 
360 	return card;
361 }
362 
363 static int __devinit
364 snd_wavefront_probe (struct snd_card *card, int dev)
365 {
366 	snd_wavefront_card_t *acard = card->private_data;
367 	struct snd_cs4231 *chip;
368 	struct snd_hwdep *wavefront_synth;
369 	struct snd_rawmidi *ics2115_internal_rmidi = NULL;
370 	struct snd_rawmidi *ics2115_external_rmidi = NULL;
371 	struct snd_hwdep *fx_processor;
372 	int hw_dev = 0, midi_dev = 0, err;
373 
374 	/* --------- PCM --------------- */
375 
376 	if ((err = snd_cs4231_create (card,
377 				      cs4232_pcm_port[dev],
378 				      -1,
379 				      cs4232_pcm_irq[dev],
380 				      dma1[dev],
381 				      dma2[dev],
382 				      CS4231_HW_DETECT, 0, &chip)) < 0) {
383 		snd_printk (KERN_ERR "can't allocate CS4231 device\n");
384 		return err;
385 	}
386 
387 	if ((err = snd_cs4231_pcm (chip, 0, NULL)) < 0)
388 		return err;
389 
390 	if ((err = snd_cs4231_timer (chip, 0, NULL)) < 0)
391 		return err;
392 
393 	/* ---------- OPL3 synth --------- */
394 
395 	if (fm_port[dev] > 0 && fm_port[dev] != SNDRV_AUTO_PORT) {
396 		struct snd_opl3 *opl3;
397 
398 	        if ((err = snd_opl3_create(card,
399 					   fm_port[dev],
400 					   fm_port[dev] + 2,
401 					   OPL3_HW_OPL3_CS,
402 					   0, &opl3)) < 0) {
403 			snd_printk (KERN_ERR "can't allocate or detect OPL3 synth\n");
404 			return err;
405 		}
406 
407 		if ((err = snd_opl3_hwdep_new(opl3, hw_dev, 1, NULL)) < 0)
408 			return err;
409 		hw_dev++;
410 	}
411 
412 	/* ------- ICS2115 Wavetable synth ------- */
413 
414 	if ((acard->wavefront.res_base = request_region(ics2115_port[dev], 16,
415 							"ICS2115")) == NULL) {
416 		snd_printk(KERN_ERR "unable to grab ICS2115 i/o region 0x%lx-0x%lx\n",
417 			   ics2115_port[dev], ics2115_port[dev] + 16 - 1);
418 		return -EBUSY;
419 	}
420 	if (request_irq(ics2115_irq[dev], snd_wavefront_ics2115_interrupt,
421 			IRQF_DISABLED, "ICS2115", acard)) {
422 		snd_printk(KERN_ERR "unable to use ICS2115 IRQ %d\n", ics2115_irq[dev]);
423 		return -EBUSY;
424 	}
425 
426 	acard->wavefront.irq = ics2115_irq[dev];
427 	acard->wavefront.base = ics2115_port[dev];
428 
429 	if ((wavefront_synth = snd_wavefront_new_synth (card, hw_dev, acard)) == NULL) {
430 		snd_printk (KERN_ERR "can't create WaveFront synth device\n");
431 		return -ENOMEM;
432 	}
433 
434 	strcpy (wavefront_synth->name, "ICS2115 Wavetable MIDI Synthesizer");
435 	wavefront_synth->iface = SNDRV_HWDEP_IFACE_ICS2115;
436 	hw_dev++;
437 
438 	/* --------- Mixer ------------ */
439 
440 	if ((err = snd_cs4231_mixer(chip)) < 0) {
441 		snd_printk (KERN_ERR "can't allocate mixer device\n");
442 		return err;
443 	}
444 
445 	/* -------- CS4232 MPU-401 interface -------- */
446 
447 	if (cs4232_mpu_port[dev] > 0 && cs4232_mpu_port[dev] != SNDRV_AUTO_PORT) {
448 		if ((err = snd_mpu401_uart_new(card, midi_dev, MPU401_HW_CS4232,
449 					       cs4232_mpu_port[dev], 0,
450 					       cs4232_mpu_irq[dev],
451 					       IRQF_DISABLED,
452 					       NULL)) < 0) {
453 			snd_printk (KERN_ERR "can't allocate CS4232 MPU-401 device\n");
454 			return err;
455 		}
456 		midi_dev++;
457 	}
458 
459 	/* ------ ICS2115 internal MIDI ------------ */
460 
461 	if (ics2115_port[dev] > 0 && ics2115_port[dev] != SNDRV_AUTO_PORT) {
462 		ics2115_internal_rmidi =
463 			snd_wavefront_new_midi (card,
464 						midi_dev,
465 						acard,
466 						ics2115_port[dev],
467 						internal_mpu);
468 		if (ics2115_internal_rmidi == NULL) {
469 			snd_printk (KERN_ERR "can't setup ICS2115 internal MIDI device\n");
470 			return -ENOMEM;
471 		}
472 		midi_dev++;
473 	}
474 
475 	/* ------ ICS2115 external MIDI ------------ */
476 
477 	if (ics2115_port[dev] > 0 && ics2115_port[dev] != SNDRV_AUTO_PORT) {
478 		ics2115_external_rmidi =
479 			snd_wavefront_new_midi (card,
480 						midi_dev,
481 						acard,
482 						ics2115_port[dev],
483 						external_mpu);
484 		if (ics2115_external_rmidi == NULL) {
485 			snd_printk (KERN_ERR "can't setup ICS2115 external MIDI device\n");
486 			return -ENOMEM;
487 		}
488 		midi_dev++;
489 	}
490 
491 	/* FX processor for Tropez+ */
492 
493 	if (acard->wavefront.has_fx) {
494 		fx_processor = snd_wavefront_new_fx (card,
495 						     hw_dev,
496 						     acard,
497 						     ics2115_port[dev]);
498 		if (fx_processor == NULL) {
499 			snd_printk (KERN_ERR "can't setup FX device\n");
500 			return -ENOMEM;
501 		}
502 
503 		hw_dev++;
504 
505 		strcpy(card->driver, "Tropez+");
506 		strcpy(card->shortname, "Turtle Beach Tropez+");
507 	} else {
508 		/* Need a way to distinguish between Maui and Tropez */
509 		strcpy(card->driver, "WaveFront");
510 		strcpy(card->shortname, "Turtle Beach WaveFront");
511 	}
512 
513 	/* ----- Register the card --------- */
514 
515 	/* Not safe to include "Turtle Beach" in longname, due to
516 	   length restrictions
517 	*/
518 
519 	sprintf(card->longname, "%s PCM 0x%lx irq %d dma %d",
520 		card->driver,
521 		chip->port,
522 		cs4232_pcm_irq[dev],
523 		dma1[dev]);
524 
525 	if (dma2[dev] >= 0 && dma2[dev] < 8)
526 		sprintf(card->longname + strlen(card->longname), "&%d", dma2[dev]);
527 
528 	if (cs4232_mpu_port[dev] > 0 && cs4232_mpu_port[dev] != SNDRV_AUTO_PORT) {
529 		sprintf (card->longname + strlen (card->longname),
530 			 " MPU-401 0x%lx irq %d",
531 			 cs4232_mpu_port[dev],
532 			 cs4232_mpu_irq[dev]);
533 	}
534 
535 	sprintf (card->longname + strlen (card->longname),
536 		 " SYNTH 0x%lx irq %d",
537 		 ics2115_port[dev],
538 		 ics2115_irq[dev]);
539 
540 	return snd_card_register(card);
541 }
542 
543 static int __devinit snd_wavefront_isa_match(struct device *pdev,
544 					     unsigned int dev)
545 {
546 	if (!enable[dev])
547 		return 0;
548 #ifdef CONFIG_PNP
549 	if (isapnp[dev])
550 		return 0;
551 #endif
552 	if (cs4232_pcm_port[dev] == SNDRV_AUTO_PORT) {
553 		snd_printk("specify CS4232 port\n");
554 		return 0;
555 	}
556 	if (ics2115_port[dev] == SNDRV_AUTO_PORT) {
557 		snd_printk("specify ICS2115 port\n");
558 		return 0;
559 	}
560 	return 1;
561 }
562 
563 static int __devinit snd_wavefront_isa_probe(struct device *pdev,
564 					     unsigned int dev)
565 {
566 	struct snd_card *card;
567 	int err;
568 
569 	card = snd_wavefront_card_new(dev);
570 	if (! card)
571 		return -ENOMEM;
572 	snd_card_set_dev(card, pdev);
573 	if ((err = snd_wavefront_probe(card, dev)) < 0) {
574 		snd_card_free(card);
575 		return err;
576 	}
577 
578 	dev_set_drvdata(pdev, card);
579 	return 0;
580 }
581 
582 static int __devexit snd_wavefront_isa_remove(struct device *devptr,
583 					      unsigned int dev)
584 {
585 	snd_card_free(dev_get_drvdata(devptr));
586 	dev_set_drvdata(devptr, NULL);
587 	return 0;
588 }
589 
590 #define DEV_NAME "wavefront"
591 
592 static struct isa_driver snd_wavefront_driver = {
593 	.match		= snd_wavefront_isa_match,
594 	.probe		= snd_wavefront_isa_probe,
595 	.remove		= __devexit_p(snd_wavefront_isa_remove),
596 	/* FIXME: suspend, resume */
597 	.driver		= {
598 		.name	= DEV_NAME
599 	},
600 };
601 
602 
603 #ifdef CONFIG_PNP
604 static int __devinit snd_wavefront_pnp_detect(struct pnp_card_link *pcard,
605                                               const struct pnp_card_device_id *pid)
606 {
607 	static int dev;
608 	struct snd_card *card;
609 	int res;
610 
611 	for ( ; dev < SNDRV_CARDS; dev++) {
612 		if (enable[dev] && isapnp[dev])
613 			break;
614 	}
615 	if (dev >= SNDRV_CARDS)
616 		return -ENODEV;
617 
618 	card = snd_wavefront_card_new(dev);
619 	if (! card)
620 		return -ENOMEM;
621 
622 	if (snd_wavefront_pnp (dev, card->private_data, pcard, pid) < 0) {
623 		if (cs4232_pcm_port[dev] == SNDRV_AUTO_PORT) {
624 			snd_printk (KERN_ERR "isapnp detection failed\n");
625 			snd_card_free (card);
626 			return -ENODEV;
627 		}
628 	}
629 	snd_card_set_dev(card, &pcard->card->dev);
630 
631 	if ((res = snd_wavefront_probe(card, dev)) < 0)
632 		return res;
633 
634 	pnp_set_card_drvdata(pcard, card);
635 	dev++;
636 	return 0;
637 }
638 
639 static void __devexit snd_wavefront_pnp_remove(struct pnp_card_link * pcard)
640 {
641 	snd_card_free(pnp_get_card_drvdata(pcard));
642 	pnp_set_card_drvdata(pcard, NULL);
643 }
644 
645 static struct pnp_card_driver wavefront_pnpc_driver = {
646 	.flags		= PNP_DRIVER_RES_DISABLE,
647 	.name		= "wavefront",
648 	.id_table	= snd_wavefront_pnpids,
649 	.probe		= snd_wavefront_pnp_detect,
650 	.remove		= __devexit_p(snd_wavefront_pnp_remove),
651 	/* FIXME: suspend,resume */
652 };
653 
654 #endif /* CONFIG_PNP */
655 
656 static int __init alsa_card_wavefront_init(void)
657 {
658 	int err;
659 
660 	err = isa_register_driver(&snd_wavefront_driver, SNDRV_CARDS);
661 #ifdef CONFIG_PNP
662 	if (!err)
663 		isa_registered = 1;
664 
665 	err = pnp_register_card_driver(&wavefront_pnpc_driver);
666 	if (!err)
667 		pnp_registered = 1;
668 
669 	if (isa_registered)
670 		err = 0;
671 #endif
672 	return err;
673 }
674 
675 static void __exit alsa_card_wavefront_exit(void)
676 {
677 #ifdef CONFIG_PNP
678 	if (pnp_registered)
679 		pnp_unregister_card_driver(&wavefront_pnpc_driver);
680 	if (isa_registered)
681 #endif
682 		isa_unregister_driver(&snd_wavefront_driver);
683 }
684 
685 module_init(alsa_card_wavefront_init)
686 module_exit(alsa_card_wavefront_exit)
687