2 * ALSA card-level driver for Turtle Beach Wavefront cards
3 * (Maui,Tropez,Tropez+)
5 * Copyright (c) 1997-1999 by Paul Barton-Davis <pbd@op.net>
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.
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.
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
22 #include <sound/driver.h>
23 #include <linux/init.h>
24 #include <linux/interrupt.h>
25 #include <linux/slab.h>
26 #include <linux/err.h>
27 #include <linux/platform_device.h>
28 #include <linux/pnp.h>
29 #include <linux/moduleparam.h>
30 #include <sound/core.h>
31 #include <sound/initval.h>
32 #include <sound/opl3.h>
33 #include <sound/snd_wavefront.h>
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+}}");
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 static int isapnp[SNDRV_CARDS] = {[0 ... (SNDRV_CARDS - 1)] = 1};
44 static long cs4232_pcm_port[SNDRV_CARDS] = SNDRV_DEFAULT_PORT; /* PnP setup */
45 static int cs4232_pcm_irq[SNDRV_CARDS] = SNDRV_DEFAULT_IRQ; /* 5,7,9,11,12,15 */
46 static long cs4232_mpu_port[SNDRV_CARDS] = SNDRV_DEFAULT_PORT; /* PnP setup */
47 static int cs4232_mpu_irq[SNDRV_CARDS] = SNDRV_DEFAULT_IRQ; /* 9,11,12,15 */
48 static long ics2115_port[SNDRV_CARDS] = SNDRV_DEFAULT_PORT; /* PnP setup */
49 static int ics2115_irq[SNDRV_CARDS] = SNDRV_DEFAULT_IRQ; /* 2,9,11,12,15 */
50 static long fm_port[SNDRV_CARDS] = SNDRV_DEFAULT_PORT; /* PnP setup */
51 static int dma1[SNDRV_CARDS] = SNDRV_DEFAULT_DMA; /* 0,1,3,5,6,7 */
52 static int dma2[SNDRV_CARDS] = SNDRV_DEFAULT_DMA; /* 0,1,3,5,6,7 */
53 static int use_cs4232_midi[SNDRV_CARDS];
55 module_param_array(index, int, NULL, 0444);
56 MODULE_PARM_DESC(index, "Index value for WaveFront soundcard.");
57 module_param_array(id, charp, NULL, 0444);
58 MODULE_PARM_DESC(id, "ID string for WaveFront soundcard.");
59 module_param_array(enable, bool, NULL, 0444);
60 MODULE_PARM_DESC(enable, "Enable WaveFront soundcard.");
62 module_param_array(isapnp, bool, NULL, 0444);
63 MODULE_PARM_DESC(isapnp, "ISA PnP detection for WaveFront soundcards.");
65 module_param_array(cs4232_pcm_port, long, NULL, 0444);
66 MODULE_PARM_DESC(cs4232_pcm_port, "Port # for CS4232 PCM interface.");
67 module_param_array(cs4232_pcm_irq, int, NULL, 0444);
68 MODULE_PARM_DESC(cs4232_pcm_irq, "IRQ # for CS4232 PCM interface.");
69 module_param_array(dma1, int, NULL, 0444);
70 MODULE_PARM_DESC(dma1, "DMA1 # for CS4232 PCM interface.");
71 module_param_array(dma2, int, NULL, 0444);
72 MODULE_PARM_DESC(dma2, "DMA2 # for CS4232 PCM interface.");
73 module_param_array(cs4232_mpu_port, long, NULL, 0444);
74 MODULE_PARM_DESC(cs4232_mpu_port, "port # for CS4232 MPU-401 interface.");
75 module_param_array(cs4232_mpu_irq, int, NULL, 0444);
76 MODULE_PARM_DESC(cs4232_mpu_irq, "IRQ # for CS4232 MPU-401 interface.");
77 module_param_array(ics2115_irq, int, NULL, 0444);
78 MODULE_PARM_DESC(ics2115_irq, "IRQ # for ICS2115.");
79 module_param_array(ics2115_port, long, NULL, 0444);
80 MODULE_PARM_DESC(ics2115_port, "Port # for ICS2115.");
81 module_param_array(fm_port, long, NULL, 0444);
82 MODULE_PARM_DESC(fm_port, "FM port #.");
83 module_param_array(use_cs4232_midi, bool, NULL, 0444);
84 MODULE_PARM_DESC(use_cs4232_midi, "Use CS4232 MPU-401 interface (inaccessibly located inside your computer)");
86 static struct platform_device *platform_devices[SNDRV_CARDS];
89 static int pnp_registered;
91 static struct pnp_card_device_id snd_wavefront_pnpids[] = {
93 { .id = "CSC7532", .devs = { { "CSC0000" }, { "CSC0010" }, { "PnPb006" }, { "CSC0004" } } },
95 { .id = "CSC7632", .devs = { { "CSC0000" }, { "CSC0010" }, { "PnPb006" }, { "CSC0004" } } },
99 MODULE_DEVICE_TABLE(pnp_card, snd_wavefront_pnpids);
102 snd_wavefront_pnp (int dev, snd_wavefront_card_t *acard, struct pnp_card_link *card,
103 const struct pnp_card_device_id *id)
105 struct pnp_dev *pdev;
106 struct pnp_resource_table *cfg = kmalloc(sizeof(*cfg), GFP_KERNEL);
112 /* Check for each logical device. */
114 /* CS4232 chip (aka "windows sound system") is logical device 0 */
116 acard->wss = pnp_request_card_device(card, id->devs[0].id, NULL);
117 if (acard->wss == NULL) {
122 /* there is a game port at logical device 1, but we ignore it completely */
124 /* the control interface is logical device 2, but we ignore it
125 completely. in fact, nobody even seems to know what it
129 /* Only configure the CS4232 MIDI interface if its been
130 specifically requested. It is logical device 3.
133 if (use_cs4232_midi[dev]) {
134 acard->mpu = pnp_request_card_device(card, id->devs[2].id, NULL);
135 if (acard->mpu == NULL) {
141 /* The ICS2115 synth is logical device 4 */
143 acard->synth = pnp_request_card_device(card, id->devs[3].id, NULL);
144 if (acard->synth == NULL) {
149 /* PCM/FM initialization */
153 pnp_init_resource_table(cfg);
155 /* An interesting note from the Tropez+ FAQ:
157 Q. [Ports] Why is the base address of the WSS I/O ports off by 4?
159 A. WSS I/O requires a block of 8 I/O addresses ("ports"). Of these, the first
160 4 are used to identify and configure the board. With the advent of PnP,
161 these first 4 addresses have become obsolete, and software applications
162 only use the last 4 addresses to control the codec chip. Therefore, the
163 base address setting "skips past" the 4 unused addresses.
167 if (cs4232_pcm_port[dev] != SNDRV_AUTO_PORT)
168 pnp_resource_change(&cfg->port_resource[0], cs4232_pcm_port[dev], 4);
169 if (fm_port[dev] != SNDRV_AUTO_PORT)
170 pnp_resource_change(&cfg->port_resource[1], fm_port[dev], 4);
171 if (dma1[dev] != SNDRV_AUTO_DMA)
172 pnp_resource_change(&cfg->dma_resource[0], dma1[dev], 1);
173 if (dma2[dev] != SNDRV_AUTO_DMA)
174 pnp_resource_change(&cfg->dma_resource[1], dma2[dev], 1);
175 if (cs4232_pcm_irq[dev] != SNDRV_AUTO_IRQ)
176 pnp_resource_change(&cfg->irq_resource[0], cs4232_pcm_irq[dev], 1);
178 if (pnp_manual_config_dev(pdev, cfg, 0) < 0)
179 snd_printk(KERN_ERR "PnP WSS the requested resources are invalid, using auto config\n");
180 err = pnp_activate_dev(pdev);
182 snd_printk(KERN_ERR "PnP WSS pnp configure failure\n");
187 cs4232_pcm_port[dev] = pnp_port_start(pdev, 0);
188 fm_port[dev] = pnp_port_start(pdev, 1);
189 dma1[dev] = pnp_dma(pdev, 0);
190 dma2[dev] = pnp_dma(pdev, 1);
191 cs4232_pcm_irq[dev] = pnp_irq(pdev, 0);
193 /* Synth initialization */
197 pnp_init_resource_table(cfg);
199 if (ics2115_port[dev] != SNDRV_AUTO_PORT) {
200 pnp_resource_change(&cfg->port_resource[0], ics2115_port[dev], 16);
203 if (ics2115_port[dev] != SNDRV_AUTO_IRQ) {
204 pnp_resource_change(&cfg->irq_resource[0], ics2115_irq[dev], 1);
207 if (pnp_manual_config_dev(pdev, cfg, 0) < 0)
208 snd_printk(KERN_ERR "PnP ICS2115 the requested resources are invalid, using auto config\n");
209 err = pnp_activate_dev(pdev);
211 snd_printk(KERN_ERR "PnP ICS2115 pnp configure failure\n");
216 ics2115_port[dev] = pnp_port_start(pdev, 0);
217 ics2115_irq[dev] = pnp_irq(pdev, 0);
219 /* CS4232 MPU initialization. Configure this only if
220 explicitly requested, since its physically inaccessible and
221 consumes another IRQ.
224 if (use_cs4232_midi[dev]) {
228 pnp_init_resource_table(cfg);
230 if (cs4232_mpu_port[dev] != SNDRV_AUTO_PORT)
231 pnp_resource_change(&cfg->port_resource[0], cs4232_mpu_port[dev], 2);
232 if (cs4232_mpu_irq[dev] != SNDRV_AUTO_IRQ)
233 pnp_resource_change(&cfg->port_resource[0], cs4232_mpu_irq[dev], 1);
235 if (pnp_manual_config_dev(pdev, cfg, 0) < 0)
236 snd_printk(KERN_ERR "PnP MPU401 the requested resources are invalid, using auto config\n");
237 err = pnp_activate_dev(pdev);
239 snd_printk(KERN_ERR "PnP MPU401 pnp configure failure\n");
240 cs4232_mpu_port[dev] = SNDRV_AUTO_PORT;
242 cs4232_mpu_port[dev] = pnp_port_start(pdev, 0);
243 cs4232_mpu_irq[dev] = pnp_irq(pdev, 0);
246 snd_printk (KERN_INFO "CS4232 MPU: port=0x%lx, irq=%i\n",
247 cs4232_mpu_port[dev],
248 cs4232_mpu_irq[dev]);
251 snd_printdd ("CS4232: pcm port=0x%lx, fm port=0x%lx, dma1=%i, dma2=%i, irq=%i\nICS2115: port=0x%lx, irq=%i\n",
252 cs4232_pcm_port[dev],
264 #endif /* CONFIG_PNP */
266 static irqreturn_t snd_wavefront_ics2115_interrupt(int irq, void *dev_id)
268 snd_wavefront_card_t *acard;
270 acard = (snd_wavefront_card_t *) dev_id;
275 if (acard->wavefront.interrupts_are_midi) {
276 snd_wavefront_midi_interrupt (acard);
278 snd_wavefront_internal_interrupt (acard);
283 static struct snd_hwdep * __devinit
284 snd_wavefront_new_synth (struct snd_card *card,
286 snd_wavefront_card_t *acard)
288 struct snd_hwdep *wavefront_synth;
290 if (snd_wavefront_detect (acard) < 0) {
294 if (snd_wavefront_start (&acard->wavefront) < 0) {
298 if (snd_hwdep_new(card, "WaveFront", hw_dev, &wavefront_synth) < 0)
300 strcpy (wavefront_synth->name,
301 "WaveFront (ICS2115) wavetable synthesizer");
302 wavefront_synth->ops.open = snd_wavefront_synth_open;
303 wavefront_synth->ops.release = snd_wavefront_synth_release;
304 wavefront_synth->ops.ioctl = snd_wavefront_synth_ioctl;
306 return wavefront_synth;
309 static struct snd_hwdep * __devinit
310 snd_wavefront_new_fx (struct snd_card *card,
312 snd_wavefront_card_t *acard,
316 struct snd_hwdep *fx_processor;
318 if (snd_wavefront_fx_start (&acard->wavefront)) {
319 snd_printk (KERN_ERR "cannot initialize YSS225 FX processor");
323 if (snd_hwdep_new (card, "YSS225", hw_dev, &fx_processor) < 0)
325 sprintf (fx_processor->name, "YSS225 FX Processor at 0x%lx", port);
326 fx_processor->ops.open = snd_wavefront_fx_open;
327 fx_processor->ops.release = snd_wavefront_fx_release;
328 fx_processor->ops.ioctl = snd_wavefront_fx_ioctl;
333 static snd_wavefront_mpu_id internal_id = internal_mpu;
334 static snd_wavefront_mpu_id external_id = external_mpu;
336 static struct snd_rawmidi *__devinit
337 snd_wavefront_new_midi (struct snd_card *card,
339 snd_wavefront_card_t *acard,
341 snd_wavefront_mpu_id mpu)
344 struct snd_rawmidi *rmidi;
345 static int first = 1;
349 acard->wavefront.midi.base = port;
350 if (snd_wavefront_midi_start (acard)) {
351 snd_printk (KERN_ERR "cannot initialize MIDI interface\n");
356 if (snd_rawmidi_new (card, "WaveFront MIDI", midi_dev, 1, 1, &rmidi) < 0)
359 if (mpu == internal_mpu) {
360 strcpy(rmidi->name, "WaveFront MIDI (Internal)");
361 rmidi->private_data = &internal_id;
363 strcpy(rmidi->name, "WaveFront MIDI (External)");
364 rmidi->private_data = &external_id;
367 snd_rawmidi_set_ops(rmidi, SNDRV_RAWMIDI_STREAM_OUTPUT, &snd_wavefront_midi_output);
368 snd_rawmidi_set_ops(rmidi, SNDRV_RAWMIDI_STREAM_INPUT, &snd_wavefront_midi_input);
370 rmidi->info_flags |= SNDRV_RAWMIDI_INFO_OUTPUT |
371 SNDRV_RAWMIDI_INFO_INPUT |
372 SNDRV_RAWMIDI_INFO_DUPLEX;
378 snd_wavefront_free(struct snd_card *card)
380 snd_wavefront_card_t *acard = (snd_wavefront_card_t *)card->private_data;
383 release_and_free_resource(acard->wavefront.res_base);
384 if (acard->wavefront.irq > 0)
385 free_irq(acard->wavefront.irq, (void *)acard);
389 static struct snd_card *snd_wavefront_card_new(int dev)
391 struct snd_card *card;
392 snd_wavefront_card_t *acard;
394 card = snd_card_new (index[dev], id[dev], THIS_MODULE,
395 sizeof(snd_wavefront_card_t));
399 acard = card->private_data;
400 acard->wavefront.irq = -1;
401 spin_lock_init(&acard->wavefront.irq_lock);
402 init_waitqueue_head(&acard->wavefront.interrupt_sleeper);
403 spin_lock_init(&acard->wavefront.midi.open);
404 spin_lock_init(&acard->wavefront.midi.virtual);
405 card->private_free = snd_wavefront_free;
411 snd_wavefront_probe (struct snd_card *card, int dev)
413 snd_wavefront_card_t *acard = card->private_data;
414 struct snd_cs4231 *chip;
415 struct snd_hwdep *wavefront_synth;
416 struct snd_rawmidi *ics2115_internal_rmidi = NULL;
417 struct snd_rawmidi *ics2115_external_rmidi = NULL;
418 struct snd_hwdep *fx_processor;
419 int hw_dev = 0, midi_dev = 0, err;
421 /* --------- PCM --------------- */
423 if ((err = snd_cs4231_create (card,
424 cs4232_pcm_port[dev],
429 CS4231_HW_DETECT, 0, &chip)) < 0) {
430 snd_printk (KERN_ERR "can't allocate CS4231 device\n");
434 if ((err = snd_cs4231_pcm (chip, 0, NULL)) < 0)
437 if ((err = snd_cs4231_timer (chip, 0, NULL)) < 0)
440 /* ---------- OPL3 synth --------- */
442 if (fm_port[dev] > 0 && fm_port[dev] != SNDRV_AUTO_PORT) {
443 struct snd_opl3 *opl3;
445 if ((err = snd_opl3_create(card,
450 snd_printk (KERN_ERR "can't allocate or detect OPL3 synth\n");
454 if ((err = snd_opl3_hwdep_new(opl3, hw_dev, 1, NULL)) < 0)
459 /* ------- ICS2115 Wavetable synth ------- */
461 if ((acard->wavefront.res_base = request_region(ics2115_port[dev], 16,
462 "ICS2115")) == NULL) {
463 snd_printk(KERN_ERR "unable to grab ICS2115 i/o region 0x%lx-0x%lx\n",
464 ics2115_port[dev], ics2115_port[dev] + 16 - 1);
467 if (request_irq(ics2115_irq[dev], snd_wavefront_ics2115_interrupt,
468 IRQF_DISABLED, "ICS2115", acard)) {
469 snd_printk(KERN_ERR "unable to use ICS2115 IRQ %d\n", ics2115_irq[dev]);
473 acard->wavefront.irq = ics2115_irq[dev];
474 acard->wavefront.base = ics2115_port[dev];
476 if ((wavefront_synth = snd_wavefront_new_synth (card, hw_dev, acard)) == NULL) {
477 snd_printk (KERN_ERR "can't create WaveFront synth device\n");
481 strcpy (wavefront_synth->name, "ICS2115 Wavetable MIDI Synthesizer");
482 wavefront_synth->iface = SNDRV_HWDEP_IFACE_ICS2115;
485 /* --------- Mixer ------------ */
487 if ((err = snd_cs4231_mixer(chip)) < 0) {
488 snd_printk (KERN_ERR "can't allocate mixer device\n");
492 /* -------- CS4232 MPU-401 interface -------- */
494 if (cs4232_mpu_port[dev] > 0 && cs4232_mpu_port[dev] != SNDRV_AUTO_PORT) {
495 if ((err = snd_mpu401_uart_new(card, midi_dev, MPU401_HW_CS4232,
496 cs4232_mpu_port[dev], 0,
500 snd_printk (KERN_ERR "can't allocate CS4232 MPU-401 device\n");
506 /* ------ ICS2115 internal MIDI ------------ */
508 if (ics2115_port[dev] > 0 && ics2115_port[dev] != SNDRV_AUTO_PORT) {
509 ics2115_internal_rmidi =
510 snd_wavefront_new_midi (card,
515 if (ics2115_internal_rmidi == NULL) {
516 snd_printk (KERN_ERR "can't setup ICS2115 internal MIDI device\n");
522 /* ------ ICS2115 external MIDI ------------ */
524 if (ics2115_port[dev] > 0 && ics2115_port[dev] != SNDRV_AUTO_PORT) {
525 ics2115_external_rmidi =
526 snd_wavefront_new_midi (card,
531 if (ics2115_external_rmidi == NULL) {
532 snd_printk (KERN_ERR "can't setup ICS2115 external MIDI device\n");
538 /* FX processor for Tropez+ */
540 if (acard->wavefront.has_fx) {
541 fx_processor = snd_wavefront_new_fx (card,
545 if (fx_processor == NULL) {
546 snd_printk (KERN_ERR "can't setup FX device\n");
552 strcpy(card->driver, "Tropez+");
553 strcpy(card->shortname, "Turtle Beach Tropez+");
555 /* Need a way to distinguish between Maui and Tropez */
556 strcpy(card->driver, "WaveFront");
557 strcpy(card->shortname, "Turtle Beach WaveFront");
560 /* ----- Register the card --------- */
562 /* Not safe to include "Turtle Beach" in longname, due to
566 sprintf(card->longname, "%s PCM 0x%lx irq %d dma %d",
572 if (dma2[dev] >= 0 && dma2[dev] < 8)
573 sprintf(card->longname + strlen(card->longname), "&%d", dma2[dev]);
575 if (cs4232_mpu_port[dev] > 0 && cs4232_mpu_port[dev] != SNDRV_AUTO_PORT) {
576 sprintf (card->longname + strlen (card->longname),
577 " MPU-401 0x%lx irq %d",
578 cs4232_mpu_port[dev],
579 cs4232_mpu_irq[dev]);
582 sprintf (card->longname + strlen (card->longname),
583 " SYNTH 0x%lx irq %d",
587 return snd_card_register(card);
590 static int __devinit snd_wavefront_nonpnp_probe(struct platform_device *pdev)
593 struct snd_card *card;
596 if (cs4232_pcm_port[dev] == SNDRV_AUTO_PORT) {
597 snd_printk("specify CS4232 port\n");
600 if (ics2115_port[dev] == SNDRV_AUTO_PORT) {
601 snd_printk("specify ICS2115 port\n");
605 card = snd_wavefront_card_new(dev);
608 snd_card_set_dev(card, &pdev->dev);
609 if ((err = snd_wavefront_probe(card, dev)) < 0) {
614 platform_set_drvdata(pdev, card);
618 static int __devexit snd_wavefront_nonpnp_remove(struct platform_device *devptr)
620 snd_card_free(platform_get_drvdata(devptr));
621 platform_set_drvdata(devptr, NULL);
625 #define WAVEFRONT_DRIVER "snd_wavefront"
627 static struct platform_driver snd_wavefront_driver = {
628 .probe = snd_wavefront_nonpnp_probe,
629 .remove = __devexit_p(snd_wavefront_nonpnp_remove),
630 /* FIXME: suspend, resume */
632 .name = WAVEFRONT_DRIVER
638 static unsigned int __devinitdata wavefront_pnp_devices;
640 static int __devinit snd_wavefront_pnp_detect(struct pnp_card_link *pcard,
641 const struct pnp_card_device_id *pid)
644 struct snd_card *card;
647 for ( ; dev < SNDRV_CARDS; dev++) {
648 if (enable[dev] && isapnp[dev])
651 if (dev >= SNDRV_CARDS)
654 card = snd_wavefront_card_new(dev);
658 if (snd_wavefront_pnp (dev, card->private_data, pcard, pid) < 0) {
659 if (cs4232_pcm_port[dev] == SNDRV_AUTO_PORT) {
660 snd_printk (KERN_ERR "isapnp detection failed\n");
661 snd_card_free (card);
665 snd_card_set_dev(card, &pcard->card->dev);
667 if ((res = snd_wavefront_probe(card, dev)) < 0)
670 pnp_set_card_drvdata(pcard, card);
672 wavefront_pnp_devices++;
676 static void __devexit snd_wavefront_pnp_remove(struct pnp_card_link * pcard)
678 snd_card_free(pnp_get_card_drvdata(pcard));
679 pnp_set_card_drvdata(pcard, NULL);
682 static struct pnp_card_driver wavefront_pnpc_driver = {
683 .flags = PNP_DRIVER_RES_DISABLE,
685 .id_table = snd_wavefront_pnpids,
686 .probe = snd_wavefront_pnp_detect,
687 .remove = __devexit_p(snd_wavefront_pnp_remove),
688 /* FIXME: suspend,resume */
691 #endif /* CONFIG_PNP */
693 static void __init_or_module snd_wavefront_unregister_all(void)
699 pnp_unregister_card_driver(&wavefront_pnpc_driver);
701 for (i = 0; i < ARRAY_SIZE(platform_devices); ++i)
702 platform_device_unregister(platform_devices[i]);
703 platform_driver_unregister(&snd_wavefront_driver);
706 static int __init alsa_card_wavefront_init(void)
708 int i, err, cards = 0;
710 if ((err = platform_driver_register(&snd_wavefront_driver)) < 0)
713 for (i = 0; i < SNDRV_CARDS; i++) {
714 struct platform_device *device;
721 device = platform_device_register_simple(WAVEFRONT_DRIVER,
725 if (!platform_get_drvdata(device)) {
726 platform_device_unregister(device);
729 platform_devices[i] = device;
734 err = pnp_register_card_driver(&wavefront_pnpc_driver);
737 cards += wavefront_pnp_devices;
743 printk (KERN_ERR "No WaveFront cards found or devices busy\n");
745 snd_wavefront_unregister_all();
751 static void __exit alsa_card_wavefront_exit(void)
753 snd_wavefront_unregister_all();
756 module_init(alsa_card_wavefront_init)
757 module_exit(alsa_card_wavefront_exit)