xref: /openbmc/linux/sound/isa/wavefront/wavefront.c (revision a2cce7a9)
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/err.h>
25 #include <linux/isa.h>
26 #include <linux/pnp.h>
27 #include <linux/module.h>
28 #include <sound/core.h>
29 #include <sound/initval.h>
30 #include <sound/opl3.h>
31 #include <sound/wss.h>
32 #include <sound/snd_wavefront.h>
33 
34 MODULE_AUTHOR("Paul Barton-Davis <pbd@op.net>");
35 MODULE_DESCRIPTION("Turtle Beach Wavefront");
36 MODULE_LICENSE("GPL");
37 MODULE_SUPPORTED_DEVICE("{{Turtle Beach,Maui/Tropez/Tropez+}}");
38 
39 static int index[SNDRV_CARDS] = SNDRV_DEFAULT_IDX;	    /* Index 0-MAX */
40 static char *id[SNDRV_CARDS] = SNDRV_DEFAULT_STR;	    /* ID for this card */
41 static bool enable[SNDRV_CARDS] = SNDRV_DEFAULT_ENABLE;	    /* Enable this card */
42 #ifdef CONFIG_PNP
43 static bool isapnp[SNDRV_CARDS] = {[0 ... (SNDRV_CARDS - 1)] = 1};
44 #endif
45 static long cs4232_pcm_port[SNDRV_CARDS] = SNDRV_DEFAULT_PORT;	/* PnP setup */
46 static int cs4232_pcm_irq[SNDRV_CARDS] = SNDRV_DEFAULT_IRQ; /* 5,7,9,11,12,15 */
47 static long cs4232_mpu_port[SNDRV_CARDS] = SNDRV_DEFAULT_PORT; /* PnP setup */
48 static int cs4232_mpu_irq[SNDRV_CARDS] = SNDRV_DEFAULT_IRQ; /* 9,11,12,15 */
49 static long ics2115_port[SNDRV_CARDS] = SNDRV_DEFAULT_PORT; /* PnP setup */
50 static int ics2115_irq[SNDRV_CARDS] = SNDRV_DEFAULT_IRQ;    /* 2,9,11,12,15 */
51 static long fm_port[SNDRV_CARDS] = SNDRV_DEFAULT_PORT;	    /* PnP setup */
52 static int dma1[SNDRV_CARDS] = SNDRV_DEFAULT_DMA;	    /* 0,1,3,5,6,7 */
53 static int dma2[SNDRV_CARDS] = SNDRV_DEFAULT_DMA;	    /* 0,1,3,5,6,7 */
54 static bool use_cs4232_midi[SNDRV_CARDS];
55 
56 module_param_array(index, int, NULL, 0444);
57 MODULE_PARM_DESC(index, "Index value for WaveFront soundcard.");
58 module_param_array(id, charp, NULL, 0444);
59 MODULE_PARM_DESC(id, "ID string for WaveFront soundcard.");
60 module_param_array(enable, bool, NULL, 0444);
61 MODULE_PARM_DESC(enable, "Enable WaveFront soundcard.");
62 #ifdef CONFIG_PNP
63 module_param_array(isapnp, bool, NULL, 0444);
64 MODULE_PARM_DESC(isapnp, "ISA PnP detection for WaveFront soundcards.");
65 #endif
66 module_param_array(cs4232_pcm_port, long, NULL, 0444);
67 MODULE_PARM_DESC(cs4232_pcm_port, "Port # for CS4232 PCM interface.");
68 module_param_array(cs4232_pcm_irq, int, NULL, 0444);
69 MODULE_PARM_DESC(cs4232_pcm_irq, "IRQ # for CS4232 PCM interface.");
70 module_param_array(dma1, int, NULL, 0444);
71 MODULE_PARM_DESC(dma1, "DMA1 # for CS4232 PCM interface.");
72 module_param_array(dma2, int, NULL, 0444);
73 MODULE_PARM_DESC(dma2, "DMA2 # for CS4232 PCM interface.");
74 module_param_array(cs4232_mpu_port, long, NULL, 0444);
75 MODULE_PARM_DESC(cs4232_mpu_port, "port # for CS4232 MPU-401 interface.");
76 module_param_array(cs4232_mpu_irq, int, NULL, 0444);
77 MODULE_PARM_DESC(cs4232_mpu_irq, "IRQ # for CS4232 MPU-401 interface.");
78 module_param_array(ics2115_irq, int, NULL, 0444);
79 MODULE_PARM_DESC(ics2115_irq, "IRQ # for ICS2115.");
80 module_param_array(ics2115_port, long, NULL, 0444);
81 MODULE_PARM_DESC(ics2115_port, "Port # for ICS2115.");
82 module_param_array(fm_port, long, NULL, 0444);
83 MODULE_PARM_DESC(fm_port, "FM port #.");
84 module_param_array(use_cs4232_midi, bool, NULL, 0444);
85 MODULE_PARM_DESC(use_cs4232_midi, "Use CS4232 MPU-401 interface (inaccessibly located inside your computer)");
86 
87 #ifdef CONFIG_PNP
88 static int isa_registered;
89 static int pnp_registered;
90 
91 static struct pnp_card_device_id snd_wavefront_pnpids[] = {
92 	/* Tropez */
93 	{ .id = "CSC7532", .devs = { { "CSC0000" }, { "CSC0010" }, { "PnPb006" }, { "CSC0004" } } },
94 	/* Tropez+ */
95 	{ .id = "CSC7632", .devs = { { "CSC0000" }, { "CSC0010" }, { "PnPb006" }, { "CSC0004" } } },
96 	{ .id = "" }
97 };
98 
99 MODULE_DEVICE_TABLE(pnp_card, snd_wavefront_pnpids);
100 
101 static int
102 snd_wavefront_pnp (int dev, snd_wavefront_card_t *acard, struct pnp_card_link *card,
103 		   const struct pnp_card_device_id *id)
104 {
105 	struct pnp_dev *pdev;
106 	int err;
107 
108 	/* Check for each logical device. */
109 
110 	/* CS4232 chip (aka "windows sound system") is logical device 0 */
111 
112 	acard->wss = pnp_request_card_device(card, id->devs[0].id, NULL);
113 	if (acard->wss == NULL)
114 		return -EBUSY;
115 
116 	/* there is a game port at logical device 1, but we ignore it completely */
117 
118 	/* the control interface is logical device 2, but we ignore it
119 	   completely. in fact, nobody even seems to know what it
120 	   does.
121 	*/
122 
123 	/* Only configure the CS4232 MIDI interface if its been
124 	   specifically requested. It is logical device 3.
125 	*/
126 
127 	if (use_cs4232_midi[dev]) {
128 		acard->mpu = pnp_request_card_device(card, id->devs[2].id, NULL);
129 		if (acard->mpu == NULL)
130 			return -EBUSY;
131 	}
132 
133 	/* The ICS2115 synth is logical device 4 */
134 
135 	acard->synth = pnp_request_card_device(card, id->devs[3].id, NULL);
136 	if (acard->synth == NULL)
137 		return -EBUSY;
138 
139 	/* PCM/FM initialization */
140 
141 	pdev = acard->wss;
142 
143 	/* An interesting note from the Tropez+ FAQ:
144 
145 	   Q. [Ports] Why is the base address of the WSS I/O ports off by 4?
146 
147 	   A. WSS I/O requires a block of 8 I/O addresses ("ports"). Of these, the first
148 	   4 are used to identify and configure the board. With the advent of PnP,
149 	   these first 4 addresses have become obsolete, and software applications
150 	   only use the last 4 addresses to control the codec chip. Therefore, the
151 	   base address setting "skips past" the 4 unused addresses.
152 
153 	*/
154 
155 	err = pnp_activate_dev(pdev);
156 	if (err < 0) {
157 		snd_printk(KERN_ERR "PnP WSS pnp configure failure\n");
158 		return err;
159 	}
160 
161 	cs4232_pcm_port[dev] = pnp_port_start(pdev, 0);
162 	fm_port[dev] = pnp_port_start(pdev, 1);
163 	dma1[dev] = pnp_dma(pdev, 0);
164 	dma2[dev] = pnp_dma(pdev, 1);
165 	cs4232_pcm_irq[dev] = pnp_irq(pdev, 0);
166 
167 	/* Synth initialization */
168 
169 	pdev = acard->synth;
170 
171 	err = pnp_activate_dev(pdev);
172 	if (err < 0) {
173 		snd_printk(KERN_ERR "PnP ICS2115 pnp configure failure\n");
174 		return err;
175 	}
176 
177 	ics2115_port[dev] = pnp_port_start(pdev, 0);
178 	ics2115_irq[dev] = pnp_irq(pdev, 0);
179 
180 	/* CS4232 MPU initialization. Configure this only if
181 	   explicitly requested, since its physically inaccessible and
182 	   consumes another IRQ.
183 	*/
184 
185 	if (use_cs4232_midi[dev]) {
186 
187 		pdev = acard->mpu;
188 
189 		err = pnp_activate_dev(pdev);
190 		if (err < 0) {
191 			snd_printk(KERN_ERR "PnP MPU401 pnp configure failure\n");
192 			cs4232_mpu_port[dev] = SNDRV_AUTO_PORT;
193 		} else {
194 			cs4232_mpu_port[dev] = pnp_port_start(pdev, 0);
195 			cs4232_mpu_irq[dev] = pnp_irq(pdev, 0);
196 		}
197 
198 		snd_printk (KERN_INFO "CS4232 MPU: port=0x%lx, irq=%i\n",
199 			    cs4232_mpu_port[dev],
200 			    cs4232_mpu_irq[dev]);
201 	}
202 
203 	snd_printdd ("CS4232: pcm port=0x%lx, fm port=0x%lx, dma1=%i, dma2=%i, irq=%i\nICS2115: port=0x%lx, irq=%i\n",
204 		    cs4232_pcm_port[dev],
205 		    fm_port[dev],
206 		    dma1[dev],
207 		    dma2[dev],
208 		    cs4232_pcm_irq[dev],
209 		    ics2115_port[dev],
210 		    ics2115_irq[dev]);
211 
212 	return 0;
213 }
214 
215 #endif /* CONFIG_PNP */
216 
217 static irqreturn_t snd_wavefront_ics2115_interrupt(int irq, void *dev_id)
218 {
219 	snd_wavefront_card_t *acard;
220 
221 	acard = (snd_wavefront_card_t *) dev_id;
222 
223 	if (acard == NULL)
224 		return IRQ_NONE;
225 
226 	if (acard->wavefront.interrupts_are_midi) {
227 		snd_wavefront_midi_interrupt (acard);
228 	} else {
229 		snd_wavefront_internal_interrupt (acard);
230 	}
231 	return IRQ_HANDLED;
232 }
233 
234 static struct snd_hwdep *snd_wavefront_new_synth(struct snd_card *card,
235 						 int hw_dev,
236 						 snd_wavefront_card_t *acard)
237 {
238 	struct snd_hwdep *wavefront_synth;
239 
240 	if (snd_wavefront_detect (acard) < 0) {
241 		return NULL;
242 	}
243 
244 	if (snd_wavefront_start (&acard->wavefront) < 0) {
245 		return NULL;
246 	}
247 
248 	if (snd_hwdep_new(card, "WaveFront", hw_dev, &wavefront_synth) < 0)
249 		return NULL;
250 	strcpy (wavefront_synth->name,
251 		"WaveFront (ICS2115) wavetable synthesizer");
252 	wavefront_synth->ops.open = snd_wavefront_synth_open;
253 	wavefront_synth->ops.release = snd_wavefront_synth_release;
254 	wavefront_synth->ops.ioctl = snd_wavefront_synth_ioctl;
255 
256 	return wavefront_synth;
257 }
258 
259 static struct snd_hwdep *snd_wavefront_new_fx(struct snd_card *card,
260 					      int hw_dev,
261 					      snd_wavefront_card_t *acard,
262 					      unsigned long port)
263 
264 {
265 	struct snd_hwdep *fx_processor;
266 
267 	if (snd_wavefront_fx_start (&acard->wavefront)) {
268 		snd_printk (KERN_ERR "cannot initialize YSS225 FX processor");
269 		return NULL;
270 	}
271 
272 	if (snd_hwdep_new (card, "YSS225", hw_dev, &fx_processor) < 0)
273 		return NULL;
274 	sprintf (fx_processor->name, "YSS225 FX Processor at 0x%lx", port);
275 	fx_processor->ops.open = snd_wavefront_fx_open;
276 	fx_processor->ops.release = snd_wavefront_fx_release;
277 	fx_processor->ops.ioctl = snd_wavefront_fx_ioctl;
278 
279 	return fx_processor;
280 }
281 
282 static snd_wavefront_mpu_id internal_id = internal_mpu;
283 static snd_wavefront_mpu_id external_id = external_mpu;
284 
285 static struct snd_rawmidi *snd_wavefront_new_midi(struct snd_card *card,
286 						  int midi_dev,
287 						  snd_wavefront_card_t *acard,
288 						  unsigned long port,
289 						  snd_wavefront_mpu_id mpu)
290 
291 {
292 	struct snd_rawmidi *rmidi;
293 	static int first = 1;
294 
295 	if (first) {
296 		first = 0;
297 		acard->wavefront.midi.base = port;
298 		if (snd_wavefront_midi_start (acard)) {
299 			snd_printk (KERN_ERR "cannot initialize MIDI interface\n");
300 			return NULL;
301 		}
302 	}
303 
304 	if (snd_rawmidi_new (card, "WaveFront MIDI", midi_dev, 1, 1, &rmidi) < 0)
305 		return NULL;
306 
307 	if (mpu == internal_mpu) {
308 		strcpy(rmidi->name, "WaveFront MIDI (Internal)");
309 		rmidi->private_data = &internal_id;
310 	} else {
311 		strcpy(rmidi->name, "WaveFront MIDI (External)");
312 		rmidi->private_data = &external_id;
313 	}
314 
315 	snd_rawmidi_set_ops(rmidi, SNDRV_RAWMIDI_STREAM_OUTPUT, &snd_wavefront_midi_output);
316 	snd_rawmidi_set_ops(rmidi, SNDRV_RAWMIDI_STREAM_INPUT, &snd_wavefront_midi_input);
317 
318 	rmidi->info_flags |= SNDRV_RAWMIDI_INFO_OUTPUT |
319 			     SNDRV_RAWMIDI_INFO_INPUT |
320 			     SNDRV_RAWMIDI_INFO_DUPLEX;
321 
322 	return rmidi;
323 }
324 
325 static void
326 snd_wavefront_free(struct snd_card *card)
327 {
328 	snd_wavefront_card_t *acard = (snd_wavefront_card_t *)card->private_data;
329 
330 	if (acard) {
331 		release_and_free_resource(acard->wavefront.res_base);
332 		if (acard->wavefront.irq > 0)
333 			free_irq(acard->wavefront.irq, (void *)acard);
334 	}
335 }
336 
337 static int snd_wavefront_card_new(struct device *pdev, int dev,
338 				  struct snd_card **cardp)
339 {
340 	struct snd_card *card;
341 	snd_wavefront_card_t *acard;
342 	int err;
343 
344 	err = snd_card_new(pdev, index[dev], id[dev], THIS_MODULE,
345 			   sizeof(snd_wavefront_card_t), &card);
346 	if (err < 0)
347 		return err;
348 
349 	acard = card->private_data;
350 	acard->wavefront.irq = -1;
351 	spin_lock_init(&acard->wavefront.irq_lock);
352 	init_waitqueue_head(&acard->wavefront.interrupt_sleeper);
353 	spin_lock_init(&acard->wavefront.midi.open);
354 	spin_lock_init(&acard->wavefront.midi.virtual);
355 	acard->wavefront.card = card;
356 	card->private_free = snd_wavefront_free;
357 
358 	*cardp = card;
359 	return 0;
360 }
361 
362 static int
363 snd_wavefront_probe (struct snd_card *card, int dev)
364 {
365 	snd_wavefront_card_t *acard = card->private_data;
366 	struct snd_wss *chip;
367 	struct snd_hwdep *wavefront_synth;
368 	struct snd_rawmidi *ics2115_internal_rmidi = NULL;
369 	struct snd_rawmidi *ics2115_external_rmidi = NULL;
370 	struct snd_hwdep *fx_processor;
371 	int hw_dev = 0, midi_dev = 0, err;
372 
373 	/* --------- PCM --------------- */
374 
375 	err = snd_wss_create(card, cs4232_pcm_port[dev], -1,
376 			     cs4232_pcm_irq[dev], dma1[dev], dma2[dev],
377 			     WSS_HW_DETECT, 0, &chip);
378 	if (err < 0) {
379 		snd_printk(KERN_ERR "can't allocate WSS device\n");
380 		return err;
381 	}
382 
383 	err = snd_wss_pcm(chip, 0);
384 	if (err < 0)
385 		return err;
386 
387 	err = snd_wss_timer(chip, 0);
388 	if (err < 0)
389 		return err;
390 
391 	/* ---------- OPL3 synth --------- */
392 
393 	if (fm_port[dev] > 0 && fm_port[dev] != SNDRV_AUTO_PORT) {
394 		struct snd_opl3 *opl3;
395 
396 		err = snd_opl3_create(card, fm_port[dev], fm_port[dev] + 2,
397 				      OPL3_HW_OPL3_CS, 0, &opl3);
398 		if (err < 0) {
399 			snd_printk (KERN_ERR "can't allocate or detect OPL3 synth\n");
400 			return err;
401 		}
402 
403 		err = snd_opl3_hwdep_new(opl3, hw_dev, 1, NULL);
404 		if (err < 0)
405 			return err;
406 		hw_dev++;
407 	}
408 
409 	/* ------- ICS2115 Wavetable synth ------- */
410 
411 	acard->wavefront.res_base = request_region(ics2115_port[dev], 16,
412 						   "ICS2115");
413 	if (acard->wavefront.res_base == NULL) {
414 		snd_printk(KERN_ERR "unable to grab ICS2115 i/o region 0x%lx-0x%lx\n",
415 			   ics2115_port[dev], ics2115_port[dev] + 16 - 1);
416 		return -EBUSY;
417 	}
418 	if (request_irq(ics2115_irq[dev], snd_wavefront_ics2115_interrupt,
419 			0, "ICS2115", acard)) {
420 		snd_printk(KERN_ERR "unable to use ICS2115 IRQ %d\n", ics2115_irq[dev]);
421 		return -EBUSY;
422 	}
423 
424 	acard->wavefront.irq = ics2115_irq[dev];
425 	acard->wavefront.base = ics2115_port[dev];
426 
427 	wavefront_synth = snd_wavefront_new_synth(card, hw_dev, acard);
428 	if (wavefront_synth == NULL) {
429 		snd_printk (KERN_ERR "can't create WaveFront synth device\n");
430 		return -ENOMEM;
431 	}
432 
433 	strcpy (wavefront_synth->name, "ICS2115 Wavetable MIDI Synthesizer");
434 	wavefront_synth->iface = SNDRV_HWDEP_IFACE_ICS2115;
435 	hw_dev++;
436 
437 	/* --------- Mixer ------------ */
438 
439 	err = snd_wss_mixer(chip);
440 	if (err < 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 		err = snd_mpu401_uart_new(card, midi_dev, MPU401_HW_CS4232,
449 					  cs4232_mpu_port[dev], 0,
450 					  cs4232_mpu_irq[dev], NULL);
451 		if (err < 0) {
452 			snd_printk (KERN_ERR "can't allocate CS4232 MPU-401 device\n");
453 			return err;
454 		}
455 		midi_dev++;
456 	}
457 
458 	/* ------ ICS2115 internal MIDI ------------ */
459 
460 	if (ics2115_port[dev] > 0 && ics2115_port[dev] != SNDRV_AUTO_PORT) {
461 		ics2115_internal_rmidi =
462 			snd_wavefront_new_midi (card,
463 						midi_dev,
464 						acard,
465 						ics2115_port[dev],
466 						internal_mpu);
467 		if (ics2115_internal_rmidi == NULL) {
468 			snd_printk (KERN_ERR "can't setup ICS2115 internal MIDI device\n");
469 			return -ENOMEM;
470 		}
471 		midi_dev++;
472 	}
473 
474 	/* ------ ICS2115 external MIDI ------------ */
475 
476 	if (ics2115_port[dev] > 0 && ics2115_port[dev] != SNDRV_AUTO_PORT) {
477 		ics2115_external_rmidi =
478 			snd_wavefront_new_midi (card,
479 						midi_dev,
480 						acard,
481 						ics2115_port[dev],
482 						external_mpu);
483 		if (ics2115_external_rmidi == NULL) {
484 			snd_printk (KERN_ERR "can't setup ICS2115 external MIDI device\n");
485 			return -ENOMEM;
486 		}
487 		midi_dev++;
488 	}
489 
490 	/* FX processor for Tropez+ */
491 
492 	if (acard->wavefront.has_fx) {
493 		fx_processor = snd_wavefront_new_fx (card,
494 						     hw_dev,
495 						     acard,
496 						     ics2115_port[dev]);
497 		if (fx_processor == NULL) {
498 			snd_printk (KERN_ERR "can't setup FX device\n");
499 			return -ENOMEM;
500 		}
501 
502 		hw_dev++;
503 
504 		strcpy(card->driver, "Tropez+");
505 		strcpy(card->shortname, "Turtle Beach Tropez+");
506 	} else {
507 		/* Need a way to distinguish between Maui and Tropez */
508 		strcpy(card->driver, "WaveFront");
509 		strcpy(card->shortname, "Turtle Beach WaveFront");
510 	}
511 
512 	/* ----- Register the card --------- */
513 
514 	/* Not safe to include "Turtle Beach" in longname, due to
515 	   length restrictions
516 	*/
517 
518 	sprintf(card->longname, "%s PCM 0x%lx irq %d dma %d",
519 		card->driver,
520 		chip->port,
521 		cs4232_pcm_irq[dev],
522 		dma1[dev]);
523 
524 	if (dma2[dev] >= 0 && dma2[dev] < 8)
525 		sprintf(card->longname + strlen(card->longname), "&%d", dma2[dev]);
526 
527 	if (cs4232_mpu_port[dev] > 0 && cs4232_mpu_port[dev] != SNDRV_AUTO_PORT) {
528 		sprintf (card->longname + strlen (card->longname),
529 			 " MPU-401 0x%lx irq %d",
530 			 cs4232_mpu_port[dev],
531 			 cs4232_mpu_irq[dev]);
532 	}
533 
534 	sprintf (card->longname + strlen (card->longname),
535 		 " SYNTH 0x%lx irq %d",
536 		 ics2115_port[dev],
537 		 ics2115_irq[dev]);
538 
539 	return snd_card_register(card);
540 }
541 
542 static int snd_wavefront_isa_match(struct device *pdev,
543 				   unsigned int dev)
544 {
545 	if (!enable[dev])
546 		return 0;
547 #ifdef CONFIG_PNP
548 	if (isapnp[dev])
549 		return 0;
550 #endif
551 	if (cs4232_pcm_port[dev] == SNDRV_AUTO_PORT) {
552 		snd_printk(KERN_ERR "specify CS4232 port\n");
553 		return 0;
554 	}
555 	if (ics2115_port[dev] == SNDRV_AUTO_PORT) {
556 		snd_printk(KERN_ERR "specify ICS2115 port\n");
557 		return 0;
558 	}
559 	return 1;
560 }
561 
562 static int snd_wavefront_isa_probe(struct device *pdev,
563 				   unsigned int dev)
564 {
565 	struct snd_card *card;
566 	int err;
567 
568 	err = snd_wavefront_card_new(pdev, dev, &card);
569 	if (err < 0)
570 		return err;
571 	if ((err = snd_wavefront_probe(card, dev)) < 0) {
572 		snd_card_free(card);
573 		return err;
574 	}
575 
576 	dev_set_drvdata(pdev, card);
577 	return 0;
578 }
579 
580 static int snd_wavefront_isa_remove(struct device *devptr,
581 				    unsigned int dev)
582 {
583 	snd_card_free(dev_get_drvdata(devptr));
584 	return 0;
585 }
586 
587 #define DEV_NAME "wavefront"
588 
589 static struct isa_driver snd_wavefront_driver = {
590 	.match		= snd_wavefront_isa_match,
591 	.probe		= snd_wavefront_isa_probe,
592 	.remove		= snd_wavefront_isa_remove,
593 	/* FIXME: suspend, resume */
594 	.driver		= {
595 		.name	= DEV_NAME
596 	},
597 };
598 
599 
600 #ifdef CONFIG_PNP
601 static int snd_wavefront_pnp_detect(struct pnp_card_link *pcard,
602 				    const struct pnp_card_device_id *pid)
603 {
604 	static int dev;
605 	struct snd_card *card;
606 	int res;
607 
608 	for ( ; dev < SNDRV_CARDS; dev++) {
609 		if (enable[dev] && isapnp[dev])
610 			break;
611 	}
612 	if (dev >= SNDRV_CARDS)
613 		return -ENODEV;
614 
615 	res = snd_wavefront_card_new(&pcard->card->dev, dev, &card);
616 	if (res < 0)
617 		return res;
618 
619 	if (snd_wavefront_pnp (dev, card->private_data, pcard, pid) < 0) {
620 		if (cs4232_pcm_port[dev] == SNDRV_AUTO_PORT) {
621 			snd_printk (KERN_ERR "isapnp detection failed\n");
622 			snd_card_free (card);
623 			return -ENODEV;
624 		}
625 	}
626 
627 	if ((res = snd_wavefront_probe(card, dev)) < 0)
628 		return res;
629 
630 	pnp_set_card_drvdata(pcard, card);
631 	dev++;
632 	return 0;
633 }
634 
635 static void snd_wavefront_pnp_remove(struct pnp_card_link *pcard)
636 {
637 	snd_card_free(pnp_get_card_drvdata(pcard));
638 	pnp_set_card_drvdata(pcard, NULL);
639 }
640 
641 static struct pnp_card_driver wavefront_pnpc_driver = {
642 	.flags		= PNP_DRIVER_RES_DISABLE,
643 	.name		= "wavefront",
644 	.id_table	= snd_wavefront_pnpids,
645 	.probe		= snd_wavefront_pnp_detect,
646 	.remove		= snd_wavefront_pnp_remove,
647 	/* FIXME: suspend,resume */
648 };
649 
650 #endif /* CONFIG_PNP */
651 
652 static int __init alsa_card_wavefront_init(void)
653 {
654 	int err;
655 
656 	err = isa_register_driver(&snd_wavefront_driver, SNDRV_CARDS);
657 #ifdef CONFIG_PNP
658 	if (!err)
659 		isa_registered = 1;
660 
661 	err = pnp_register_card_driver(&wavefront_pnpc_driver);
662 	if (!err)
663 		pnp_registered = 1;
664 
665 	if (isa_registered)
666 		err = 0;
667 #endif
668 	return err;
669 }
670 
671 static void __exit alsa_card_wavefront_exit(void)
672 {
673 #ifdef CONFIG_PNP
674 	if (pnp_registered)
675 		pnp_unregister_card_driver(&wavefront_pnpc_driver);
676 	if (isa_registered)
677 #endif
678 		isa_unregister_driver(&snd_wavefront_driver);
679 }
680 
681 module_init(alsa_card_wavefront_init)
682 module_exit(alsa_card_wavefront_exit)
683