xref: /linux/sound/isa/wavefront/wavefront.c (revision 3a39d672e7f48b8d6b91a09afa4b55352773b4b5)
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 
25 static int index[SNDRV_CARDS] = SNDRV_DEFAULT_IDX;	    /* Index 0-MAX */
26 static char *id[SNDRV_CARDS] = SNDRV_DEFAULT_STR;	    /* ID for this card */
27 static bool enable[SNDRV_CARDS] = SNDRV_DEFAULT_ENABLE;	    /* Enable this card */
28 #ifdef CONFIG_PNP
29 static bool isapnp[SNDRV_CARDS] = {[0 ... (SNDRV_CARDS - 1)] = 1};
30 #endif
31 static long cs4232_pcm_port[SNDRV_CARDS] = SNDRV_DEFAULT_PORT;	/* PnP setup */
32 static int cs4232_pcm_irq[SNDRV_CARDS] = SNDRV_DEFAULT_IRQ; /* 5,7,9,11,12,15 */
33 static long cs4232_mpu_port[SNDRV_CARDS] = SNDRV_DEFAULT_PORT; /* PnP setup */
34 static int cs4232_mpu_irq[SNDRV_CARDS] = SNDRV_DEFAULT_IRQ; /* 9,11,12,15 */
35 static long ics2115_port[SNDRV_CARDS] = SNDRV_DEFAULT_PORT; /* PnP setup */
36 static int ics2115_irq[SNDRV_CARDS] = SNDRV_DEFAULT_IRQ;    /* 2,9,11,12,15 */
37 static long fm_port[SNDRV_CARDS] = SNDRV_DEFAULT_PORT;	    /* PnP setup */
38 static int dma1[SNDRV_CARDS] = SNDRV_DEFAULT_DMA;	    /* 0,1,3,5,6,7 */
39 static int dma2[SNDRV_CARDS] = SNDRV_DEFAULT_DMA;	    /* 0,1,3,5,6,7 */
40 static bool use_cs4232_midi[SNDRV_CARDS];
41 
42 module_param_array(index, int, NULL, 0444);
43 MODULE_PARM_DESC(index, "Index value for WaveFront soundcard.");
44 module_param_array(id, charp, NULL, 0444);
45 MODULE_PARM_DESC(id, "ID string for WaveFront soundcard.");
46 module_param_array(enable, bool, NULL, 0444);
47 MODULE_PARM_DESC(enable, "Enable WaveFront soundcard.");
48 #ifdef CONFIG_PNP
49 module_param_array(isapnp, bool, NULL, 0444);
50 MODULE_PARM_DESC(isapnp, "ISA PnP detection for WaveFront soundcards.");
51 #endif
52 module_param_hw_array(cs4232_pcm_port, long, ioport, NULL, 0444);
53 MODULE_PARM_DESC(cs4232_pcm_port, "Port # for CS4232 PCM interface.");
54 module_param_hw_array(cs4232_pcm_irq, int, irq, NULL, 0444);
55 MODULE_PARM_DESC(cs4232_pcm_irq, "IRQ # for CS4232 PCM interface.");
56 module_param_hw_array(dma1, int, dma, NULL, 0444);
57 MODULE_PARM_DESC(dma1, "DMA1 # for CS4232 PCM interface.");
58 module_param_hw_array(dma2, int, dma, NULL, 0444);
59 MODULE_PARM_DESC(dma2, "DMA2 # for CS4232 PCM interface.");
60 module_param_hw_array(cs4232_mpu_port, long, ioport, NULL, 0444);
61 MODULE_PARM_DESC(cs4232_mpu_port, "port # for CS4232 MPU-401 interface.");
62 module_param_hw_array(cs4232_mpu_irq, int, irq, NULL, 0444);
63 MODULE_PARM_DESC(cs4232_mpu_irq, "IRQ # for CS4232 MPU-401 interface.");
64 module_param_hw_array(ics2115_irq, int, irq, NULL, 0444);
65 MODULE_PARM_DESC(ics2115_irq, "IRQ # for ICS2115.");
66 module_param_hw_array(ics2115_port, long, ioport, NULL, 0444);
67 MODULE_PARM_DESC(ics2115_port, "Port # for ICS2115.");
68 module_param_hw_array(fm_port, long, ioport, NULL, 0444);
69 MODULE_PARM_DESC(fm_port, "FM port #.");
70 module_param_array(use_cs4232_midi, bool, NULL, 0444);
71 MODULE_PARM_DESC(use_cs4232_midi, "Use CS4232 MPU-401 interface (inaccessibly located inside your computer)");
72 
73 #ifdef CONFIG_PNP
74 static int isa_registered;
75 static int pnp_registered;
76 
77 static const struct pnp_card_device_id snd_wavefront_pnpids[] = {
78 	/* Tropez */
79 	{ .id = "CSC7532", .devs = { { "CSC0000" }, { "CSC0010" }, { "PnPb006" }, { "CSC0004" } } },
80 	/* Tropez+ */
81 	{ .id = "CSC7632", .devs = { { "CSC0000" }, { "CSC0010" }, { "PnPb006" }, { "CSC0004" } } },
82 	{ .id = "" }
83 };
84 
85 MODULE_DEVICE_TABLE(pnp_card, snd_wavefront_pnpids);
86 
87 static int
snd_wavefront_pnp(int dev,snd_wavefront_card_t * acard,struct pnp_card_link * card,const struct pnp_card_device_id * id)88 snd_wavefront_pnp (int dev, snd_wavefront_card_t *acard, struct pnp_card_link *card,
89 		   const struct pnp_card_device_id *id)
90 {
91 	struct pnp_dev *pdev;
92 	int err;
93 
94 	/* Check for each logical device. */
95 
96 	/* CS4232 chip (aka "windows sound system") is logical device 0 */
97 
98 	acard->wss = pnp_request_card_device(card, id->devs[0].id, NULL);
99 	if (acard->wss == NULL)
100 		return -EBUSY;
101 
102 	/* there is a game port at logical device 1, but we ignore it completely */
103 
104 	/* the control interface is logical device 2, but we ignore it
105 	   completely. in fact, nobody even seems to know what it
106 	   does.
107 	*/
108 
109 	/* Only configure the CS4232 MIDI interface if its been
110 	   specifically requested. It is logical device 3.
111 	*/
112 
113 	if (use_cs4232_midi[dev]) {
114 		acard->mpu = pnp_request_card_device(card, id->devs[2].id, NULL);
115 		if (acard->mpu == NULL)
116 			return -EBUSY;
117 	}
118 
119 	/* The ICS2115 synth is logical device 4 */
120 
121 	acard->synth = pnp_request_card_device(card, id->devs[3].id, NULL);
122 	if (acard->synth == NULL)
123 		return -EBUSY;
124 
125 	/* PCM/FM initialization */
126 
127 	pdev = acard->wss;
128 
129 	/* An interesting note from the Tropez+ FAQ:
130 
131 	   Q. [Ports] Why is the base address of the WSS I/O ports off by 4?
132 
133 	   A. WSS I/O requires a block of 8 I/O addresses ("ports"). Of these, the first
134 	   4 are used to identify and configure the board. With the advent of PnP,
135 	   these first 4 addresses have become obsolete, and software applications
136 	   only use the last 4 addresses to control the codec chip. Therefore, the
137 	   base address setting "skips past" the 4 unused addresses.
138 
139 	*/
140 
141 	err = pnp_activate_dev(pdev);
142 	if (err < 0) {
143 		dev_err(&pdev->dev, "PnP WSS pnp configure failure\n");
144 		return err;
145 	}
146 
147 	cs4232_pcm_port[dev] = pnp_port_start(pdev, 0);
148 	fm_port[dev] = pnp_port_start(pdev, 1);
149 	dma1[dev] = pnp_dma(pdev, 0);
150 	dma2[dev] = pnp_dma(pdev, 1);
151 	cs4232_pcm_irq[dev] = pnp_irq(pdev, 0);
152 
153 	/* Synth initialization */
154 
155 	pdev = acard->synth;
156 
157 	err = pnp_activate_dev(pdev);
158 	if (err < 0) {
159 		dev_err(&pdev->dev, "PnP ICS2115 pnp configure failure\n");
160 		return err;
161 	}
162 
163 	ics2115_port[dev] = pnp_port_start(pdev, 0);
164 	ics2115_irq[dev] = pnp_irq(pdev, 0);
165 
166 	/* CS4232 MPU initialization. Configure this only if
167 	   explicitly requested, since its physically inaccessible and
168 	   consumes another IRQ.
169 	*/
170 
171 	if (use_cs4232_midi[dev]) {
172 
173 		pdev = acard->mpu;
174 
175 		err = pnp_activate_dev(pdev);
176 		if (err < 0) {
177 			dev_err(&pdev->dev, "PnP MPU401 pnp configure failure\n");
178 			cs4232_mpu_port[dev] = SNDRV_AUTO_PORT;
179 		} else {
180 			cs4232_mpu_port[dev] = pnp_port_start(pdev, 0);
181 			cs4232_mpu_irq[dev] = pnp_irq(pdev, 0);
182 		}
183 
184 		dev_info(&pdev->dev, "CS4232 MPU: port=0x%lx, irq=%i\n",
185 			 cs4232_mpu_port[dev],
186 			 cs4232_mpu_irq[dev]);
187 	}
188 
189 	dev_dbg(&pdev->dev,
190 		"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 
snd_wavefront_ics2115_interrupt(int irq,void * dev_id)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 
snd_wavefront_new_synth(struct snd_card * card,int hw_dev,snd_wavefront_card_t * acard)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 
snd_wavefront_new_fx(struct snd_card * card,int hw_dev,snd_wavefront_card_t * acard,unsigned long port)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 		dev_err(card->dev, "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 
snd_wavefront_new_midi(struct snd_card * card,int midi_dev,snd_wavefront_card_t * acard,unsigned long port,snd_wavefront_mpu_id mpu)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 			dev_err(card->dev, "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 
snd_wavefront_card_new(struct device * pdev,int dev,struct snd_card ** cardp)312 static int snd_wavefront_card_new(struct device *pdev, int dev,
313 				  struct snd_card **cardp)
314 {
315 	struct snd_card *card;
316 	snd_wavefront_card_t *acard;
317 	int err;
318 
319 	err = snd_devm_card_new(pdev, index[dev], id[dev], THIS_MODULE,
320 				sizeof(snd_wavefront_card_t), &card);
321 	if (err < 0)
322 		return err;
323 
324 	acard = card->private_data;
325 	acard->wavefront.irq = -1;
326 	spin_lock_init(&acard->wavefront.irq_lock);
327 	init_waitqueue_head(&acard->wavefront.interrupt_sleeper);
328 	spin_lock_init(&acard->wavefront.midi.open);
329 	spin_lock_init(&acard->wavefront.midi.virtual);
330 	acard->wavefront.card = card;
331 
332 	*cardp = card;
333 	return 0;
334 }
335 
336 static int
snd_wavefront_probe(struct snd_card * card,int dev)337 snd_wavefront_probe (struct snd_card *card, int dev)
338 {
339 	snd_wavefront_card_t *acard = card->private_data;
340 	struct snd_wss *chip;
341 	struct snd_hwdep *wavefront_synth;
342 	struct snd_rawmidi *ics2115_internal_rmidi = NULL;
343 	struct snd_rawmidi *ics2115_external_rmidi = NULL;
344 	struct snd_hwdep *fx_processor;
345 	int hw_dev = 0, midi_dev = 0, err;
346 
347 	/* --------- PCM --------------- */
348 
349 	err = snd_wss_create(card, cs4232_pcm_port[dev], -1,
350 			     cs4232_pcm_irq[dev], dma1[dev], dma2[dev],
351 			     WSS_HW_DETECT, 0, &chip);
352 	if (err < 0) {
353 		dev_err(card->dev, "can't allocate WSS device\n");
354 		return err;
355 	}
356 
357 	err = snd_wss_pcm(chip, 0);
358 	if (err < 0)
359 		return err;
360 
361 	err = snd_wss_timer(chip, 0);
362 	if (err < 0)
363 		return err;
364 
365 	/* ---------- OPL3 synth --------- */
366 
367 	if (fm_port[dev] > 0 && fm_port[dev] != SNDRV_AUTO_PORT) {
368 		struct snd_opl3 *opl3;
369 
370 		err = snd_opl3_create(card, fm_port[dev], fm_port[dev] + 2,
371 				      OPL3_HW_OPL3_CS, 0, &opl3);
372 		if (err < 0) {
373 			dev_err(card->dev, "can't allocate or detect OPL3 synth\n");
374 			return err;
375 		}
376 
377 		err = snd_opl3_hwdep_new(opl3, hw_dev, 1, NULL);
378 		if (err < 0)
379 			return err;
380 		hw_dev++;
381 	}
382 
383 	/* ------- ICS2115 Wavetable synth ------- */
384 
385 	acard->wavefront.res_base =
386 		devm_request_region(card->dev, ics2115_port[dev], 16,
387 				    "ICS2115");
388 	if (acard->wavefront.res_base == NULL) {
389 		dev_err(card->dev, "unable to grab ICS2115 i/o region 0x%lx-0x%lx\n",
390 			ics2115_port[dev], ics2115_port[dev] + 16 - 1);
391 		return -EBUSY;
392 	}
393 	if (devm_request_irq(card->dev, ics2115_irq[dev],
394 			     snd_wavefront_ics2115_interrupt,
395 			     0, "ICS2115", acard)) {
396 		dev_err(card->dev, "unable to use ICS2115 IRQ %d\n", ics2115_irq[dev]);
397 		return -EBUSY;
398 	}
399 
400 	acard->wavefront.irq = ics2115_irq[dev];
401 	card->sync_irq = acard->wavefront.irq;
402 	acard->wavefront.base = ics2115_port[dev];
403 
404 	wavefront_synth = snd_wavefront_new_synth(card, hw_dev, acard);
405 	if (wavefront_synth == NULL) {
406 		dev_err(card->dev, "can't create WaveFront synth device\n");
407 		return -ENOMEM;
408 	}
409 
410 	strcpy (wavefront_synth->name, "ICS2115 Wavetable MIDI Synthesizer");
411 	wavefront_synth->iface = SNDRV_HWDEP_IFACE_ICS2115;
412 	hw_dev++;
413 
414 	/* --------- Mixer ------------ */
415 
416 	err = snd_wss_mixer(chip);
417 	if (err < 0) {
418 		dev_err(card->dev, "can't allocate mixer device\n");
419 		return err;
420 	}
421 
422 	/* -------- CS4232 MPU-401 interface -------- */
423 
424 	if (cs4232_mpu_port[dev] > 0 && cs4232_mpu_port[dev] != SNDRV_AUTO_PORT) {
425 		err = snd_mpu401_uart_new(card, midi_dev, MPU401_HW_CS4232,
426 					  cs4232_mpu_port[dev], 0,
427 					  cs4232_mpu_irq[dev], NULL);
428 		if (err < 0) {
429 			dev_err(card->dev, "can't allocate CS4232 MPU-401 device\n");
430 			return err;
431 		}
432 		midi_dev++;
433 	}
434 
435 	/* ------ ICS2115 internal MIDI ------------ */
436 
437 	if (ics2115_port[dev] > 0 && ics2115_port[dev] != SNDRV_AUTO_PORT) {
438 		ics2115_internal_rmidi =
439 			snd_wavefront_new_midi (card,
440 						midi_dev,
441 						acard,
442 						ics2115_port[dev],
443 						internal_mpu);
444 		if (ics2115_internal_rmidi == NULL) {
445 			dev_err(card->dev, "can't setup ICS2115 internal MIDI device\n");
446 			return -ENOMEM;
447 		}
448 		midi_dev++;
449 	}
450 
451 	/* ------ ICS2115 external MIDI ------------ */
452 
453 	if (ics2115_port[dev] > 0 && ics2115_port[dev] != SNDRV_AUTO_PORT) {
454 		ics2115_external_rmidi =
455 			snd_wavefront_new_midi (card,
456 						midi_dev,
457 						acard,
458 						ics2115_port[dev],
459 						external_mpu);
460 		if (ics2115_external_rmidi == NULL) {
461 			dev_err(card->dev, "can't setup ICS2115 external MIDI device\n");
462 			return -ENOMEM;
463 		}
464 		midi_dev++;
465 	}
466 
467 	/* FX processor for Tropez+ */
468 
469 	if (acard->wavefront.has_fx) {
470 		fx_processor = snd_wavefront_new_fx (card,
471 						     hw_dev,
472 						     acard,
473 						     ics2115_port[dev]);
474 		if (fx_processor == NULL) {
475 			dev_err(card->dev, "can't setup FX device\n");
476 			return -ENOMEM;
477 		}
478 
479 		hw_dev++;
480 
481 		strcpy(card->driver, "Tropez+");
482 		strcpy(card->shortname, "Turtle Beach Tropez+");
483 	} else {
484 		/* Need a way to distinguish between Maui and Tropez */
485 		strcpy(card->driver, "WaveFront");
486 		strcpy(card->shortname, "Turtle Beach WaveFront");
487 	}
488 
489 	/* ----- Register the card --------- */
490 
491 	/* Not safe to include "Turtle Beach" in longname, due to
492 	   length restrictions
493 	*/
494 
495 	sprintf(card->longname, "%s PCM 0x%lx irq %d dma %d",
496 		card->driver,
497 		chip->port,
498 		cs4232_pcm_irq[dev],
499 		dma1[dev]);
500 
501 	if (dma2[dev] >= 0 && dma2[dev] < 8)
502 		sprintf(card->longname + strlen(card->longname), "&%d", dma2[dev]);
503 
504 	if (cs4232_mpu_port[dev] > 0 && cs4232_mpu_port[dev] != SNDRV_AUTO_PORT) {
505 		sprintf (card->longname + strlen (card->longname),
506 			 " MPU-401 0x%lx irq %d",
507 			 cs4232_mpu_port[dev],
508 			 cs4232_mpu_irq[dev]);
509 	}
510 
511 	sprintf (card->longname + strlen (card->longname),
512 		 " SYNTH 0x%lx irq %d",
513 		 ics2115_port[dev],
514 		 ics2115_irq[dev]);
515 
516 	return snd_card_register(card);
517 }
518 
snd_wavefront_isa_match(struct device * pdev,unsigned int dev)519 static int snd_wavefront_isa_match(struct device *pdev,
520 				   unsigned int dev)
521 {
522 	if (!enable[dev])
523 		return 0;
524 #ifdef CONFIG_PNP
525 	if (isapnp[dev])
526 		return 0;
527 #endif
528 	if (cs4232_pcm_port[dev] == SNDRV_AUTO_PORT) {
529 		dev_err(pdev, "specify CS4232 port\n");
530 		return 0;
531 	}
532 	if (ics2115_port[dev] == SNDRV_AUTO_PORT) {
533 		dev_err(pdev, "specify ICS2115 port\n");
534 		return 0;
535 	}
536 	return 1;
537 }
538 
snd_wavefront_isa_probe(struct device * pdev,unsigned int dev)539 static int snd_wavefront_isa_probe(struct device *pdev,
540 				   unsigned int dev)
541 {
542 	struct snd_card *card;
543 	int err;
544 
545 	err = snd_wavefront_card_new(pdev, dev, &card);
546 	if (err < 0)
547 		return err;
548 	err = snd_wavefront_probe(card, dev);
549 	if (err < 0)
550 		return err;
551 
552 	dev_set_drvdata(pdev, card);
553 	return 0;
554 }
555 
556 #define DEV_NAME "wavefront"
557 
558 static struct isa_driver snd_wavefront_driver = {
559 	.match		= snd_wavefront_isa_match,
560 	.probe		= snd_wavefront_isa_probe,
561 	/* FIXME: suspend, resume */
562 	.driver		= {
563 		.name	= DEV_NAME
564 	},
565 };
566 
567 
568 #ifdef CONFIG_PNP
snd_wavefront_pnp_detect(struct pnp_card_link * pcard,const struct pnp_card_device_id * pid)569 static int snd_wavefront_pnp_detect(struct pnp_card_link *pcard,
570 				    const struct pnp_card_device_id *pid)
571 {
572 	static int dev;
573 	struct snd_card *card;
574 	int res;
575 
576 	for ( ; dev < SNDRV_CARDS; dev++) {
577 		if (enable[dev] && isapnp[dev])
578 			break;
579 	}
580 	if (dev >= SNDRV_CARDS)
581 		return -ENODEV;
582 
583 	res = snd_wavefront_card_new(&pcard->card->dev, dev, &card);
584 	if (res < 0)
585 		return res;
586 
587 	if (snd_wavefront_pnp (dev, card->private_data, pcard, pid) < 0) {
588 		if (cs4232_pcm_port[dev] == SNDRV_AUTO_PORT) {
589 			dev_err(card->dev, "isapnp detection failed\n");
590 			return -ENODEV;
591 		}
592 	}
593 
594 	res = snd_wavefront_probe(card, dev);
595 	if (res < 0)
596 		return res;
597 
598 	pnp_set_card_drvdata(pcard, card);
599 	dev++;
600 	return 0;
601 }
602 
603 static struct pnp_card_driver wavefront_pnpc_driver = {
604 	.flags		= PNP_DRIVER_RES_DISABLE,
605 	.name		= "wavefront",
606 	.id_table	= snd_wavefront_pnpids,
607 	.probe		= snd_wavefront_pnp_detect,
608 	/* FIXME: suspend,resume */
609 };
610 
611 #endif /* CONFIG_PNP */
612 
alsa_card_wavefront_init(void)613 static int __init alsa_card_wavefront_init(void)
614 {
615 	int err;
616 
617 	err = isa_register_driver(&snd_wavefront_driver, SNDRV_CARDS);
618 #ifdef CONFIG_PNP
619 	if (!err)
620 		isa_registered = 1;
621 
622 	err = pnp_register_card_driver(&wavefront_pnpc_driver);
623 	if (!err)
624 		pnp_registered = 1;
625 
626 	if (isa_registered)
627 		err = 0;
628 #endif
629 	return err;
630 }
631 
alsa_card_wavefront_exit(void)632 static void __exit alsa_card_wavefront_exit(void)
633 {
634 #ifdef CONFIG_PNP
635 	if (pnp_registered)
636 		pnp_unregister_card_driver(&wavefront_pnpc_driver);
637 	if (isa_registered)
638 #endif
639 		isa_unregister_driver(&snd_wavefront_driver);
640 }
641 
642 module_init(alsa_card_wavefront_init)
643 module_exit(alsa_card_wavefront_exit)
644