Merge tag 'for-5.11-rc3-tag' of git://git.kernel.org/pub/scm/linux/kernel/git/kdave...
[linux-2.6-microblaze.git] / sound / isa / wavefront / wavefront.c
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         card->sync_irq = acard->wavefront.irq;
413         acard->wavefront.base = ics2115_port[dev];
414
415         wavefront_synth = snd_wavefront_new_synth(card, hw_dev, acard);
416         if (wavefront_synth == NULL) {
417                 snd_printk (KERN_ERR "can't create WaveFront synth device\n");
418                 return -ENOMEM;
419         }
420
421         strcpy (wavefront_synth->name, "ICS2115 Wavetable MIDI Synthesizer");
422         wavefront_synth->iface = SNDRV_HWDEP_IFACE_ICS2115;
423         hw_dev++;
424
425         /* --------- Mixer ------------ */
426
427         err = snd_wss_mixer(chip);
428         if (err < 0) {
429                 snd_printk (KERN_ERR "can't allocate mixer device\n");
430                 return err;
431         }
432
433         /* -------- CS4232 MPU-401 interface -------- */
434
435         if (cs4232_mpu_port[dev] > 0 && cs4232_mpu_port[dev] != SNDRV_AUTO_PORT) {
436                 err = snd_mpu401_uart_new(card, midi_dev, MPU401_HW_CS4232,
437                                           cs4232_mpu_port[dev], 0,
438                                           cs4232_mpu_irq[dev], NULL);
439                 if (err < 0) {
440                         snd_printk (KERN_ERR "can't allocate CS4232 MPU-401 device\n");
441                         return err;
442                 }
443                 midi_dev++;
444         }
445
446         /* ------ ICS2115 internal MIDI ------------ */
447
448         if (ics2115_port[dev] > 0 && ics2115_port[dev] != SNDRV_AUTO_PORT) {
449                 ics2115_internal_rmidi = 
450                         snd_wavefront_new_midi (card, 
451                                                 midi_dev,
452                                                 acard,
453                                                 ics2115_port[dev],
454                                                 internal_mpu);
455                 if (ics2115_internal_rmidi == NULL) {
456                         snd_printk (KERN_ERR "can't setup ICS2115 internal MIDI device\n");
457                         return -ENOMEM;
458                 }
459                 midi_dev++;
460         }
461
462         /* ------ ICS2115 external MIDI ------------ */
463
464         if (ics2115_port[dev] > 0 && ics2115_port[dev] != SNDRV_AUTO_PORT) {
465                 ics2115_external_rmidi = 
466                         snd_wavefront_new_midi (card, 
467                                                 midi_dev,
468                                                 acard,
469                                                 ics2115_port[dev],
470                                                 external_mpu);
471                 if (ics2115_external_rmidi == NULL) {
472                         snd_printk (KERN_ERR "can't setup ICS2115 external MIDI device\n");
473                         return -ENOMEM;
474                 }
475                 midi_dev++;
476         }
477
478         /* FX processor for Tropez+ */
479
480         if (acard->wavefront.has_fx) {
481                 fx_processor = snd_wavefront_new_fx (card,
482                                                      hw_dev,
483                                                      acard,
484                                                      ics2115_port[dev]);
485                 if (fx_processor == NULL) {
486                         snd_printk (KERN_ERR "can't setup FX device\n");
487                         return -ENOMEM;
488                 }
489
490                 hw_dev++;
491
492                 strcpy(card->driver, "Tropez+");
493                 strcpy(card->shortname, "Turtle Beach Tropez+");
494         } else {
495                 /* Need a way to distinguish between Maui and Tropez */
496                 strcpy(card->driver, "WaveFront");
497                 strcpy(card->shortname, "Turtle Beach WaveFront");
498         }
499
500         /* ----- Register the card --------- */
501
502         /* Not safe to include "Turtle Beach" in longname, due to 
503            length restrictions
504         */
505
506         sprintf(card->longname, "%s PCM 0x%lx irq %d dma %d",
507                 card->driver,
508                 chip->port,
509                 cs4232_pcm_irq[dev],
510                 dma1[dev]);
511
512         if (dma2[dev] >= 0 && dma2[dev] < 8)
513                 sprintf(card->longname + strlen(card->longname), "&%d", dma2[dev]);
514
515         if (cs4232_mpu_port[dev] > 0 && cs4232_mpu_port[dev] != SNDRV_AUTO_PORT) {
516                 sprintf (card->longname + strlen (card->longname), 
517                          " MPU-401 0x%lx irq %d",
518                          cs4232_mpu_port[dev],
519                          cs4232_mpu_irq[dev]);
520         }
521
522         sprintf (card->longname + strlen (card->longname), 
523                  " SYNTH 0x%lx irq %d",
524                  ics2115_port[dev],
525                  ics2115_irq[dev]);
526
527         return snd_card_register(card);
528 }       
529
530 static int snd_wavefront_isa_match(struct device *pdev,
531                                    unsigned int dev)
532 {
533         if (!enable[dev])
534                 return 0;
535 #ifdef CONFIG_PNP
536         if (isapnp[dev])
537                 return 0;
538 #endif
539         if (cs4232_pcm_port[dev] == SNDRV_AUTO_PORT) {
540                 snd_printk(KERN_ERR "specify CS4232 port\n");
541                 return 0;
542         }
543         if (ics2115_port[dev] == SNDRV_AUTO_PORT) {
544                 snd_printk(KERN_ERR "specify ICS2115 port\n");
545                 return 0;
546         }
547         return 1;
548 }
549
550 static int snd_wavefront_isa_probe(struct device *pdev,
551                                    unsigned int dev)
552 {
553         struct snd_card *card;
554         int err;
555
556         err = snd_wavefront_card_new(pdev, dev, &card);
557         if (err < 0)
558                 return err;
559         if ((err = snd_wavefront_probe(card, dev)) < 0) {
560                 snd_card_free(card);
561                 return err;
562         }
563         
564         dev_set_drvdata(pdev, card);
565         return 0;
566 }
567
568 static int snd_wavefront_isa_remove(struct device *devptr,
569                                     unsigned int dev)
570 {
571         snd_card_free(dev_get_drvdata(devptr));
572         return 0;
573 }
574
575 #define DEV_NAME "wavefront"
576
577 static struct isa_driver snd_wavefront_driver = {
578         .match          = snd_wavefront_isa_match,
579         .probe          = snd_wavefront_isa_probe,
580         .remove         = snd_wavefront_isa_remove,
581         /* FIXME: suspend, resume */
582         .driver         = {
583                 .name   = DEV_NAME
584         },
585 };
586
587
588 #ifdef CONFIG_PNP
589 static int snd_wavefront_pnp_detect(struct pnp_card_link *pcard,
590                                     const struct pnp_card_device_id *pid)
591 {
592         static int dev;
593         struct snd_card *card;
594         int res;
595
596         for ( ; dev < SNDRV_CARDS; dev++) {
597                 if (enable[dev] && isapnp[dev])
598                         break;
599         }
600         if (dev >= SNDRV_CARDS)
601                 return -ENODEV;
602
603         res = snd_wavefront_card_new(&pcard->card->dev, dev, &card);
604         if (res < 0)
605                 return res;
606
607         if (snd_wavefront_pnp (dev, card->private_data, pcard, pid) < 0) {
608                 if (cs4232_pcm_port[dev] == SNDRV_AUTO_PORT) {
609                         snd_printk (KERN_ERR "isapnp detection failed\n");
610                         snd_card_free (card);
611                         return -ENODEV;
612                 }
613         }
614
615         if ((res = snd_wavefront_probe(card, dev)) < 0)
616                 return res;
617
618         pnp_set_card_drvdata(pcard, card);
619         dev++;
620         return 0;
621 }
622
623 static void snd_wavefront_pnp_remove(struct pnp_card_link *pcard)
624 {
625         snd_card_free(pnp_get_card_drvdata(pcard));
626         pnp_set_card_drvdata(pcard, NULL);
627 }
628
629 static struct pnp_card_driver wavefront_pnpc_driver = {
630         .flags          = PNP_DRIVER_RES_DISABLE,
631         .name           = "wavefront",
632         .id_table       = snd_wavefront_pnpids,
633         .probe          = snd_wavefront_pnp_detect,
634         .remove         = snd_wavefront_pnp_remove,
635         /* FIXME: suspend,resume */
636 };
637
638 #endif /* CONFIG_PNP */
639
640 static int __init alsa_card_wavefront_init(void)
641 {
642         int err;
643
644         err = isa_register_driver(&snd_wavefront_driver, SNDRV_CARDS);
645 #ifdef CONFIG_PNP
646         if (!err)
647                 isa_registered = 1;
648
649         err = pnp_register_card_driver(&wavefront_pnpc_driver);
650         if (!err)
651                 pnp_registered = 1;
652
653         if (isa_registered)
654                 err = 0;
655 #endif
656         return err;
657 }
658
659 static void __exit alsa_card_wavefront_exit(void)
660 {
661 #ifdef CONFIG_PNP
662         if (pnp_registered)
663                 pnp_unregister_card_driver(&wavefront_pnpc_driver);
664         if (isa_registered)
665 #endif
666                 isa_unregister_driver(&snd_wavefront_driver);
667 }
668
669 module_init(alsa_card_wavefront_init)
670 module_exit(alsa_card_wavefront_exit)