xref: /openbmc/linux/sound/isa/wavefront/wavefront.c (revision 8795a739)
1 // SPDX-License-Identifier: GPL-2.0-or-later
2 /*
3  *  ALSA card-level driver for Turtle Beach Wavefront cards
4  *						(Maui,Tropez,Tropez+)
5  *
6  *  Copyright (c) 1997-1999 by Paul Barton-Davis <pbd@op.net>
7  */
8 
9 #include <linux/init.h>
10 #include <linux/interrupt.h>
11 #include <linux/err.h>
12 #include <linux/isa.h>
13 #include <linux/pnp.h>
14 #include <linux/module.h>
15 #include <sound/core.h>
16 #include <sound/initval.h>
17 #include <sound/opl3.h>
18 #include <sound/wss.h>
19 #include <sound/snd_wavefront.h>
20 
21 MODULE_AUTHOR("Paul Barton-Davis <pbd@op.net>");
22 MODULE_DESCRIPTION("Turtle Beach Wavefront");
23 MODULE_LICENSE("GPL");
24 MODULE_SUPPORTED_DEVICE("{{Turtle Beach,Maui/Tropez/Tropez+}}");
25 
26 static int index[SNDRV_CARDS] = SNDRV_DEFAULT_IDX;	    /* Index 0-MAX */
27 static char *id[SNDRV_CARDS] = SNDRV_DEFAULT_STR;	    /* ID for this card */
28 static bool enable[SNDRV_CARDS] = SNDRV_DEFAULT_ENABLE;	    /* Enable this card */
29 #ifdef CONFIG_PNP
30 static bool isapnp[SNDRV_CARDS] = {[0 ... (SNDRV_CARDS - 1)] = 1};
31 #endif
32 static long cs4232_pcm_port[SNDRV_CARDS] = SNDRV_DEFAULT_PORT;	/* PnP setup */
33 static int cs4232_pcm_irq[SNDRV_CARDS] = SNDRV_DEFAULT_IRQ; /* 5,7,9,11,12,15 */
34 static long cs4232_mpu_port[SNDRV_CARDS] = SNDRV_DEFAULT_PORT; /* PnP setup */
35 static int cs4232_mpu_irq[SNDRV_CARDS] = SNDRV_DEFAULT_IRQ; /* 9,11,12,15 */
36 static long ics2115_port[SNDRV_CARDS] = SNDRV_DEFAULT_PORT; /* PnP setup */
37 static int ics2115_irq[SNDRV_CARDS] = SNDRV_DEFAULT_IRQ;    /* 2,9,11,12,15 */
38 static long fm_port[SNDRV_CARDS] = SNDRV_DEFAULT_PORT;	    /* PnP setup */
39 static int dma1[SNDRV_CARDS] = SNDRV_DEFAULT_DMA;	    /* 0,1,3,5,6,7 */
40 static int dma2[SNDRV_CARDS] = SNDRV_DEFAULT_DMA;	    /* 0,1,3,5,6,7 */
41 static bool use_cs4232_midi[SNDRV_CARDS];
42 
43 module_param_array(index, int, NULL, 0444);
44 MODULE_PARM_DESC(index, "Index value for WaveFront soundcard.");
45 module_param_array(id, charp, NULL, 0444);
46 MODULE_PARM_DESC(id, "ID string for WaveFront soundcard.");
47 module_param_array(enable, bool, NULL, 0444);
48 MODULE_PARM_DESC(enable, "Enable WaveFront soundcard.");
49 #ifdef CONFIG_PNP
50 module_param_array(isapnp, bool, NULL, 0444);
51 MODULE_PARM_DESC(isapnp, "ISA PnP detection for WaveFront soundcards.");
52 #endif
53 module_param_hw_array(cs4232_pcm_port, long, ioport, NULL, 0444);
54 MODULE_PARM_DESC(cs4232_pcm_port, "Port # for CS4232 PCM interface.");
55 module_param_hw_array(cs4232_pcm_irq, int, irq, NULL, 0444);
56 MODULE_PARM_DESC(cs4232_pcm_irq, "IRQ # for CS4232 PCM interface.");
57 module_param_hw_array(dma1, int, dma, NULL, 0444);
58 MODULE_PARM_DESC(dma1, "DMA1 # for CS4232 PCM interface.");
59 module_param_hw_array(dma2, int, dma, NULL, 0444);
60 MODULE_PARM_DESC(dma2, "DMA2 # for CS4232 PCM interface.");
61 module_param_hw_array(cs4232_mpu_port, long, ioport, NULL, 0444);
62 MODULE_PARM_DESC(cs4232_mpu_port, "port # for CS4232 MPU-401 interface.");
63 module_param_hw_array(cs4232_mpu_irq, int, irq, NULL, 0444);
64 MODULE_PARM_DESC(cs4232_mpu_irq, "IRQ # for CS4232 MPU-401 interface.");
65 module_param_hw_array(ics2115_irq, int, irq, NULL, 0444);
66 MODULE_PARM_DESC(ics2115_irq, "IRQ # for ICS2115.");
67 module_param_hw_array(ics2115_port, long, ioport, NULL, 0444);
68 MODULE_PARM_DESC(ics2115_port, "Port # for ICS2115.");
69 module_param_hw_array(fm_port, long, ioport, NULL, 0444);
70 MODULE_PARM_DESC(fm_port, "FM port #.");
71 module_param_array(use_cs4232_midi, bool, NULL, 0444);
72 MODULE_PARM_DESC(use_cs4232_midi, "Use CS4232 MPU-401 interface (inaccessibly located inside your computer)");
73 
74 #ifdef CONFIG_PNP
75 static int isa_registered;
76 static int pnp_registered;
77 
78 static const struct pnp_card_device_id snd_wavefront_pnpids[] = {
79 	/* Tropez */
80 	{ .id = "CSC7532", .devs = { { "CSC0000" }, { "CSC0010" }, { "PnPb006" }, { "CSC0004" } } },
81 	/* Tropez+ */
82 	{ .id = "CSC7632", .devs = { { "CSC0000" }, { "CSC0010" }, { "PnPb006" }, { "CSC0004" } } },
83 	{ .id = "" }
84 };
85 
86 MODULE_DEVICE_TABLE(pnp_card, snd_wavefront_pnpids);
87 
88 static int
89 snd_wavefront_pnp (int dev, snd_wavefront_card_t *acard, struct pnp_card_link *card,
90 		   const struct pnp_card_device_id *id)
91 {
92 	struct pnp_dev *pdev;
93 	int err;
94 
95 	/* Check for each logical device. */
96 
97 	/* CS4232 chip (aka "windows sound system") is logical device 0 */
98 
99 	acard->wss = pnp_request_card_device(card, id->devs[0].id, NULL);
100 	if (acard->wss == NULL)
101 		return -EBUSY;
102 
103 	/* there is a game port at logical device 1, but we ignore it completely */
104 
105 	/* the control interface is logical device 2, but we ignore it
106 	   completely. in fact, nobody even seems to know what it
107 	   does.
108 	*/
109 
110 	/* Only configure the CS4232 MIDI interface if its been
111 	   specifically requested. It is logical device 3.
112 	*/
113 
114 	if (use_cs4232_midi[dev]) {
115 		acard->mpu = pnp_request_card_device(card, id->devs[2].id, NULL);
116 		if (acard->mpu == NULL)
117 			return -EBUSY;
118 	}
119 
120 	/* The ICS2115 synth is logical device 4 */
121 
122 	acard->synth = pnp_request_card_device(card, id->devs[3].id, NULL);
123 	if (acard->synth == NULL)
124 		return -EBUSY;
125 
126 	/* PCM/FM initialization */
127 
128 	pdev = acard->wss;
129 
130 	/* An interesting note from the Tropez+ FAQ:
131 
132 	   Q. [Ports] Why is the base address of the WSS I/O ports off by 4?
133 
134 	   A. WSS I/O requires a block of 8 I/O addresses ("ports"). Of these, the first
135 	   4 are used to identify and configure the board. With the advent of PnP,
136 	   these first 4 addresses have become obsolete, and software applications
137 	   only use the last 4 addresses to control the codec chip. Therefore, the
138 	   base address setting "skips past" the 4 unused addresses.
139 
140 	*/
141 
142 	err = pnp_activate_dev(pdev);
143 	if (err < 0) {
144 		snd_printk(KERN_ERR "PnP WSS pnp configure failure\n");
145 		return err;
146 	}
147 
148 	cs4232_pcm_port[dev] = pnp_port_start(pdev, 0);
149 	fm_port[dev] = pnp_port_start(pdev, 1);
150 	dma1[dev] = pnp_dma(pdev, 0);
151 	dma2[dev] = pnp_dma(pdev, 1);
152 	cs4232_pcm_irq[dev] = pnp_irq(pdev, 0);
153 
154 	/* Synth initialization */
155 
156 	pdev = acard->synth;
157 
158 	err = pnp_activate_dev(pdev);
159 	if (err < 0) {
160 		snd_printk(KERN_ERR "PnP ICS2115 pnp configure failure\n");
161 		return err;
162 	}
163 
164 	ics2115_port[dev] = pnp_port_start(pdev, 0);
165 	ics2115_irq[dev] = pnp_irq(pdev, 0);
166 
167 	/* CS4232 MPU initialization. Configure this only if
168 	   explicitly requested, since its physically inaccessible and
169 	   consumes another IRQ.
170 	*/
171 
172 	if (use_cs4232_midi[dev]) {
173 
174 		pdev = acard->mpu;
175 
176 		err = pnp_activate_dev(pdev);
177 		if (err < 0) {
178 			snd_printk(KERN_ERR "PnP MPU401 pnp configure failure\n");
179 			cs4232_mpu_port[dev] = SNDRV_AUTO_PORT;
180 		} else {
181 			cs4232_mpu_port[dev] = pnp_port_start(pdev, 0);
182 			cs4232_mpu_irq[dev] = pnp_irq(pdev, 0);
183 		}
184 
185 		snd_printk (KERN_INFO "CS4232 MPU: port=0x%lx, irq=%i\n",
186 			    cs4232_mpu_port[dev],
187 			    cs4232_mpu_irq[dev]);
188 	}
189 
190 	snd_printdd ("CS4232: pcm port=0x%lx, fm port=0x%lx, dma1=%i, dma2=%i, irq=%i\nICS2115: port=0x%lx, irq=%i\n",
191 		    cs4232_pcm_port[dev],
192 		    fm_port[dev],
193 		    dma1[dev],
194 		    dma2[dev],
195 		    cs4232_pcm_irq[dev],
196 		    ics2115_port[dev],
197 		    ics2115_irq[dev]);
198 
199 	return 0;
200 }
201 
202 #endif /* CONFIG_PNP */
203 
204 static irqreturn_t snd_wavefront_ics2115_interrupt(int irq, void *dev_id)
205 {
206 	snd_wavefront_card_t *acard;
207 
208 	acard = (snd_wavefront_card_t *) dev_id;
209 
210 	if (acard == NULL)
211 		return IRQ_NONE;
212 
213 	if (acard->wavefront.interrupts_are_midi) {
214 		snd_wavefront_midi_interrupt (acard);
215 	} else {
216 		snd_wavefront_internal_interrupt (acard);
217 	}
218 	return IRQ_HANDLED;
219 }
220 
221 static struct snd_hwdep *snd_wavefront_new_synth(struct snd_card *card,
222 						 int hw_dev,
223 						 snd_wavefront_card_t *acard)
224 {
225 	struct snd_hwdep *wavefront_synth;
226 
227 	if (snd_wavefront_detect (acard) < 0) {
228 		return NULL;
229 	}
230 
231 	if (snd_wavefront_start (&acard->wavefront) < 0) {
232 		return NULL;
233 	}
234 
235 	if (snd_hwdep_new(card, "WaveFront", hw_dev, &wavefront_synth) < 0)
236 		return NULL;
237 	strcpy (wavefront_synth->name,
238 		"WaveFront (ICS2115) wavetable synthesizer");
239 	wavefront_synth->ops.open = snd_wavefront_synth_open;
240 	wavefront_synth->ops.release = snd_wavefront_synth_release;
241 	wavefront_synth->ops.ioctl = snd_wavefront_synth_ioctl;
242 
243 	return wavefront_synth;
244 }
245 
246 static struct snd_hwdep *snd_wavefront_new_fx(struct snd_card *card,
247 					      int hw_dev,
248 					      snd_wavefront_card_t *acard,
249 					      unsigned long port)
250 
251 {
252 	struct snd_hwdep *fx_processor;
253 
254 	if (snd_wavefront_fx_start (&acard->wavefront)) {
255 		snd_printk (KERN_ERR "cannot initialize YSS225 FX processor");
256 		return NULL;
257 	}
258 
259 	if (snd_hwdep_new (card, "YSS225", hw_dev, &fx_processor) < 0)
260 		return NULL;
261 	sprintf (fx_processor->name, "YSS225 FX Processor at 0x%lx", port);
262 	fx_processor->ops.open = snd_wavefront_fx_open;
263 	fx_processor->ops.release = snd_wavefront_fx_release;
264 	fx_processor->ops.ioctl = snd_wavefront_fx_ioctl;
265 
266 	return fx_processor;
267 }
268 
269 static snd_wavefront_mpu_id internal_id = internal_mpu;
270 static snd_wavefront_mpu_id external_id = external_mpu;
271 
272 static struct snd_rawmidi *snd_wavefront_new_midi(struct snd_card *card,
273 						  int midi_dev,
274 						  snd_wavefront_card_t *acard,
275 						  unsigned long port,
276 						  snd_wavefront_mpu_id mpu)
277 
278 {
279 	struct snd_rawmidi *rmidi;
280 	static int first = 1;
281 
282 	if (first) {
283 		first = 0;
284 		acard->wavefront.midi.base = port;
285 		if (snd_wavefront_midi_start (acard)) {
286 			snd_printk (KERN_ERR "cannot initialize MIDI interface\n");
287 			return NULL;
288 		}
289 	}
290 
291 	if (snd_rawmidi_new (card, "WaveFront MIDI", midi_dev, 1, 1, &rmidi) < 0)
292 		return NULL;
293 
294 	if (mpu == internal_mpu) {
295 		strcpy(rmidi->name, "WaveFront MIDI (Internal)");
296 		rmidi->private_data = &internal_id;
297 	} else {
298 		strcpy(rmidi->name, "WaveFront MIDI (External)");
299 		rmidi->private_data = &external_id;
300 	}
301 
302 	snd_rawmidi_set_ops(rmidi, SNDRV_RAWMIDI_STREAM_OUTPUT, &snd_wavefront_midi_output);
303 	snd_rawmidi_set_ops(rmidi, SNDRV_RAWMIDI_STREAM_INPUT, &snd_wavefront_midi_input);
304 
305 	rmidi->info_flags |= SNDRV_RAWMIDI_INFO_OUTPUT |
306 			     SNDRV_RAWMIDI_INFO_INPUT |
307 			     SNDRV_RAWMIDI_INFO_DUPLEX;
308 
309 	return rmidi;
310 }
311 
312 static void
313 snd_wavefront_free(struct snd_card *card)
314 {
315 	snd_wavefront_card_t *acard = (snd_wavefront_card_t *)card->private_data;
316 
317 	if (acard) {
318 		release_and_free_resource(acard->wavefront.res_base);
319 		if (acard->wavefront.irq > 0)
320 			free_irq(acard->wavefront.irq, (void *)acard);
321 	}
322 }
323 
324 static int snd_wavefront_card_new(struct device *pdev, int dev,
325 				  struct snd_card **cardp)
326 {
327 	struct snd_card *card;
328 	snd_wavefront_card_t *acard;
329 	int err;
330 
331 	err = snd_card_new(pdev, index[dev], id[dev], THIS_MODULE,
332 			   sizeof(snd_wavefront_card_t), &card);
333 	if (err < 0)
334 		return err;
335 
336 	acard = card->private_data;
337 	acard->wavefront.irq = -1;
338 	spin_lock_init(&acard->wavefront.irq_lock);
339 	init_waitqueue_head(&acard->wavefront.interrupt_sleeper);
340 	spin_lock_init(&acard->wavefront.midi.open);
341 	spin_lock_init(&acard->wavefront.midi.virtual);
342 	acard->wavefront.card = card;
343 	card->private_free = snd_wavefront_free;
344 
345 	*cardp = card;
346 	return 0;
347 }
348 
349 static int
350 snd_wavefront_probe (struct snd_card *card, int dev)
351 {
352 	snd_wavefront_card_t *acard = card->private_data;
353 	struct snd_wss *chip;
354 	struct snd_hwdep *wavefront_synth;
355 	struct snd_rawmidi *ics2115_internal_rmidi = NULL;
356 	struct snd_rawmidi *ics2115_external_rmidi = NULL;
357 	struct snd_hwdep *fx_processor;
358 	int hw_dev = 0, midi_dev = 0, err;
359 
360 	/* --------- PCM --------------- */
361 
362 	err = snd_wss_create(card, cs4232_pcm_port[dev], -1,
363 			     cs4232_pcm_irq[dev], dma1[dev], dma2[dev],
364 			     WSS_HW_DETECT, 0, &chip);
365 	if (err < 0) {
366 		snd_printk(KERN_ERR "can't allocate WSS device\n");
367 		return err;
368 	}
369 
370 	err = snd_wss_pcm(chip, 0);
371 	if (err < 0)
372 		return err;
373 
374 	err = snd_wss_timer(chip, 0);
375 	if (err < 0)
376 		return err;
377 
378 	/* ---------- OPL3 synth --------- */
379 
380 	if (fm_port[dev] > 0 && fm_port[dev] != SNDRV_AUTO_PORT) {
381 		struct snd_opl3 *opl3;
382 
383 		err = snd_opl3_create(card, fm_port[dev], fm_port[dev] + 2,
384 				      OPL3_HW_OPL3_CS, 0, &opl3);
385 		if (err < 0) {
386 			snd_printk (KERN_ERR "can't allocate or detect OPL3 synth\n");
387 			return err;
388 		}
389 
390 		err = snd_opl3_hwdep_new(opl3, hw_dev, 1, NULL);
391 		if (err < 0)
392 			return err;
393 		hw_dev++;
394 	}
395 
396 	/* ------- ICS2115 Wavetable synth ------- */
397 
398 	acard->wavefront.res_base = request_region(ics2115_port[dev], 16,
399 						   "ICS2115");
400 	if (acard->wavefront.res_base == NULL) {
401 		snd_printk(KERN_ERR "unable to grab ICS2115 i/o region 0x%lx-0x%lx\n",
402 			   ics2115_port[dev], ics2115_port[dev] + 16 - 1);
403 		return -EBUSY;
404 	}
405 	if (request_irq(ics2115_irq[dev], snd_wavefront_ics2115_interrupt,
406 			0, "ICS2115", acard)) {
407 		snd_printk(KERN_ERR "unable to use ICS2115 IRQ %d\n", ics2115_irq[dev]);
408 		return -EBUSY;
409 	}
410 
411 	acard->wavefront.irq = ics2115_irq[dev];
412 	acard->wavefront.base = ics2115_port[dev];
413 
414 	wavefront_synth = snd_wavefront_new_synth(card, hw_dev, acard);
415 	if (wavefront_synth == NULL) {
416 		snd_printk (KERN_ERR "can't create WaveFront synth device\n");
417 		return -ENOMEM;
418 	}
419 
420 	strcpy (wavefront_synth->name, "ICS2115 Wavetable MIDI Synthesizer");
421 	wavefront_synth->iface = SNDRV_HWDEP_IFACE_ICS2115;
422 	hw_dev++;
423 
424 	/* --------- Mixer ------------ */
425 
426 	err = snd_wss_mixer(chip);
427 	if (err < 0) {
428 		snd_printk (KERN_ERR "can't allocate mixer device\n");
429 		return err;
430 	}
431 
432 	/* -------- CS4232 MPU-401 interface -------- */
433 
434 	if (cs4232_mpu_port[dev] > 0 && cs4232_mpu_port[dev] != SNDRV_AUTO_PORT) {
435 		err = snd_mpu401_uart_new(card, midi_dev, MPU401_HW_CS4232,
436 					  cs4232_mpu_port[dev], 0,
437 					  cs4232_mpu_irq[dev], NULL);
438 		if (err < 0) {
439 			snd_printk (KERN_ERR "can't allocate CS4232 MPU-401 device\n");
440 			return err;
441 		}
442 		midi_dev++;
443 	}
444 
445 	/* ------ ICS2115 internal MIDI ------------ */
446 
447 	if (ics2115_port[dev] > 0 && ics2115_port[dev] != SNDRV_AUTO_PORT) {
448 		ics2115_internal_rmidi =
449 			snd_wavefront_new_midi (card,
450 						midi_dev,
451 						acard,
452 						ics2115_port[dev],
453 						internal_mpu);
454 		if (ics2115_internal_rmidi == NULL) {
455 			snd_printk (KERN_ERR "can't setup ICS2115 internal MIDI device\n");
456 			return -ENOMEM;
457 		}
458 		midi_dev++;
459 	}
460 
461 	/* ------ ICS2115 external MIDI ------------ */
462 
463 	if (ics2115_port[dev] > 0 && ics2115_port[dev] != SNDRV_AUTO_PORT) {
464 		ics2115_external_rmidi =
465 			snd_wavefront_new_midi (card,
466 						midi_dev,
467 						acard,
468 						ics2115_port[dev],
469 						external_mpu);
470 		if (ics2115_external_rmidi == NULL) {
471 			snd_printk (KERN_ERR "can't setup ICS2115 external MIDI device\n");
472 			return -ENOMEM;
473 		}
474 		midi_dev++;
475 	}
476 
477 	/* FX processor for Tropez+ */
478 
479 	if (acard->wavefront.has_fx) {
480 		fx_processor = snd_wavefront_new_fx (card,
481 						     hw_dev,
482 						     acard,
483 						     ics2115_port[dev]);
484 		if (fx_processor == NULL) {
485 			snd_printk (KERN_ERR "can't setup FX device\n");
486 			return -ENOMEM;
487 		}
488 
489 		hw_dev++;
490 
491 		strcpy(card->driver, "Tropez+");
492 		strcpy(card->shortname, "Turtle Beach Tropez+");
493 	} else {
494 		/* Need a way to distinguish between Maui and Tropez */
495 		strcpy(card->driver, "WaveFront");
496 		strcpy(card->shortname, "Turtle Beach WaveFront");
497 	}
498 
499 	/* ----- Register the card --------- */
500 
501 	/* Not safe to include "Turtle Beach" in longname, due to
502 	   length restrictions
503 	*/
504 
505 	sprintf(card->longname, "%s PCM 0x%lx irq %d dma %d",
506 		card->driver,
507 		chip->port,
508 		cs4232_pcm_irq[dev],
509 		dma1[dev]);
510 
511 	if (dma2[dev] >= 0 && dma2[dev] < 8)
512 		sprintf(card->longname + strlen(card->longname), "&%d", dma2[dev]);
513 
514 	if (cs4232_mpu_port[dev] > 0 && cs4232_mpu_port[dev] != SNDRV_AUTO_PORT) {
515 		sprintf (card->longname + strlen (card->longname),
516 			 " MPU-401 0x%lx irq %d",
517 			 cs4232_mpu_port[dev],
518 			 cs4232_mpu_irq[dev]);
519 	}
520 
521 	sprintf (card->longname + strlen (card->longname),
522 		 " SYNTH 0x%lx irq %d",
523 		 ics2115_port[dev],
524 		 ics2115_irq[dev]);
525 
526 	return snd_card_register(card);
527 }
528 
529 static int snd_wavefront_isa_match(struct device *pdev,
530 				   unsigned int dev)
531 {
532 	if (!enable[dev])
533 		return 0;
534 #ifdef CONFIG_PNP
535 	if (isapnp[dev])
536 		return 0;
537 #endif
538 	if (cs4232_pcm_port[dev] == SNDRV_AUTO_PORT) {
539 		snd_printk(KERN_ERR "specify CS4232 port\n");
540 		return 0;
541 	}
542 	if (ics2115_port[dev] == SNDRV_AUTO_PORT) {
543 		snd_printk(KERN_ERR "specify ICS2115 port\n");
544 		return 0;
545 	}
546 	return 1;
547 }
548 
549 static int snd_wavefront_isa_probe(struct device *pdev,
550 				   unsigned int dev)
551 {
552 	struct snd_card *card;
553 	int err;
554 
555 	err = snd_wavefront_card_new(pdev, dev, &card);
556 	if (err < 0)
557 		return err;
558 	if ((err = snd_wavefront_probe(card, dev)) < 0) {
559 		snd_card_free(card);
560 		return err;
561 	}
562 
563 	dev_set_drvdata(pdev, card);
564 	return 0;
565 }
566 
567 static int snd_wavefront_isa_remove(struct device *devptr,
568 				    unsigned int dev)
569 {
570 	snd_card_free(dev_get_drvdata(devptr));
571 	return 0;
572 }
573 
574 #define DEV_NAME "wavefront"
575 
576 static struct isa_driver snd_wavefront_driver = {
577 	.match		= snd_wavefront_isa_match,
578 	.probe		= snd_wavefront_isa_probe,
579 	.remove		= snd_wavefront_isa_remove,
580 	/* FIXME: suspend, resume */
581 	.driver		= {
582 		.name	= DEV_NAME
583 	},
584 };
585 
586 
587 #ifdef CONFIG_PNP
588 static int snd_wavefront_pnp_detect(struct pnp_card_link *pcard,
589 				    const struct pnp_card_device_id *pid)
590 {
591 	static int dev;
592 	struct snd_card *card;
593 	int res;
594 
595 	for ( ; dev < SNDRV_CARDS; dev++) {
596 		if (enable[dev] && isapnp[dev])
597 			break;
598 	}
599 	if (dev >= SNDRV_CARDS)
600 		return -ENODEV;
601 
602 	res = snd_wavefront_card_new(&pcard->card->dev, dev, &card);
603 	if (res < 0)
604 		return res;
605 
606 	if (snd_wavefront_pnp (dev, card->private_data, pcard, pid) < 0) {
607 		if (cs4232_pcm_port[dev] == SNDRV_AUTO_PORT) {
608 			snd_printk (KERN_ERR "isapnp detection failed\n");
609 			snd_card_free (card);
610 			return -ENODEV;
611 		}
612 	}
613 
614 	if ((res = snd_wavefront_probe(card, dev)) < 0)
615 		return res;
616 
617 	pnp_set_card_drvdata(pcard, card);
618 	dev++;
619 	return 0;
620 }
621 
622 static void snd_wavefront_pnp_remove(struct pnp_card_link *pcard)
623 {
624 	snd_card_free(pnp_get_card_drvdata(pcard));
625 	pnp_set_card_drvdata(pcard, NULL);
626 }
627 
628 static struct pnp_card_driver wavefront_pnpc_driver = {
629 	.flags		= PNP_DRIVER_RES_DISABLE,
630 	.name		= "wavefront",
631 	.id_table	= snd_wavefront_pnpids,
632 	.probe		= snd_wavefront_pnp_detect,
633 	.remove		= snd_wavefront_pnp_remove,
634 	/* FIXME: suspend,resume */
635 };
636 
637 #endif /* CONFIG_PNP */
638 
639 static int __init alsa_card_wavefront_init(void)
640 {
641 	int err;
642 
643 	err = isa_register_driver(&snd_wavefront_driver, SNDRV_CARDS);
644 #ifdef CONFIG_PNP
645 	if (!err)
646 		isa_registered = 1;
647 
648 	err = pnp_register_card_driver(&wavefront_pnpc_driver);
649 	if (!err)
650 		pnp_registered = 1;
651 
652 	if (isa_registered)
653 		err = 0;
654 #endif
655 	return err;
656 }
657 
658 static void __exit alsa_card_wavefront_exit(void)
659 {
660 #ifdef CONFIG_PNP
661 	if (pnp_registered)
662 		pnp_unregister_card_driver(&wavefront_pnpc_driver);
663 	if (isa_registered)
664 #endif
665 		isa_unregister_driver(&snd_wavefront_driver);
666 }
667 
668 module_init(alsa_card_wavefront_init)
669 module_exit(alsa_card_wavefront_exit)
670