/* * ALSA card-level driver for Turtle Beach Wavefront cards * (Maui,Tropez,Tropez+) * * Copyright (c) 1997-1999 by Paul Barton-Davis <pbd@op.net> * * This program is free software; you can redistribute it and/or modify * it under the terms of the GNU General Public License as published by * the Free Software Foundation; either version 2 of the License, or * (at your option) any later version. * * This program is distributed in the hope that it will be useful, * but WITHOUT ANY WARRANTY; without even the implied warranty of * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the * GNU General Public License for more details. * * You should have received a copy of the GNU General Public License * along with this program; if not, write to the Free Software * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA */ #include <sound/driver.h> #include <linux/init.h> #include <linux/interrupt.h> #include <linux/slab.h> #include <linux/err.h> #include <linux/platform_device.h> #include <linux/pnp.h> #include <linux/moduleparam.h> #include <sound/core.h> #include <sound/initval.h> #include <sound/opl3.h> #include <sound/snd_wavefront.h> MODULE_AUTHOR("Paul Barton-Davis <pbd@op.net>"); MODULE_DESCRIPTION("Turtle Beach Wavefront"); MODULE_LICENSE("GPL"); MODULE_SUPPORTED_DEVICE("{{Turtle Beach,Maui/Tropez/Tropez+}}"); static int index[SNDRV_CARDS] = SNDRV_DEFAULT_IDX; /* Index 0-MAX */ static char *id[SNDRV_CARDS] = SNDRV_DEFAULT_STR; /* ID for this card */ static int enable[SNDRV_CARDS] = SNDRV_DEFAULT_ENABLE; /* Enable this card */ static int isapnp[SNDRV_CARDS] = {[0 ... (SNDRV_CARDS - 1)] = 1}; static long cs4232_pcm_port[SNDRV_CARDS] = SNDRV_DEFAULT_PORT; /* PnP setup */ static int cs4232_pcm_irq[SNDRV_CARDS] = SNDRV_DEFAULT_IRQ; /* 5,7,9,11,12,15 */ static long cs4232_mpu_port[SNDRV_CARDS] = SNDRV_DEFAULT_PORT; /* PnP setup */ static int cs4232_mpu_irq[SNDRV_CARDS] = SNDRV_DEFAULT_IRQ; /* 9,11,12,15 */ static long ics2115_port[SNDRV_CARDS] = SNDRV_DEFAULT_PORT; /* PnP setup */ static int ics2115_irq[SNDRV_CARDS] = SNDRV_DEFAULT_IRQ; /* 2,9,11,12,15 */ static long fm_port[SNDRV_CARDS] = SNDRV_DEFAULT_PORT; /* PnP setup */ static int dma1[SNDRV_CARDS] = SNDRV_DEFAULT_DMA; /* 0,1,3,5,6,7 */ static int dma2[SNDRV_CARDS] = SNDRV_DEFAULT_DMA; /* 0,1,3,5,6,7 */ static int use_cs4232_midi[SNDRV_CARDS]; module_param_array(index, int, NULL, 0444); MODULE_PARM_DESC(index, "Index value for WaveFront soundcard."); module_param_array(id, charp, NULL, 0444); MODULE_PARM_DESC(id, "ID string for WaveFront soundcard."); module_param_array(enable, bool, NULL, 0444); MODULE_PARM_DESC(enable, "Enable WaveFront soundcard."); #ifdef CONFIG_PNP module_param_array(isapnp, bool, NULL, 0444); MODULE_PARM_DESC(isapnp, "ISA PnP detection for WaveFront soundcards."); #endif module_param_array(cs4232_pcm_port, long, NULL, 0444); MODULE_PARM_DESC(cs4232_pcm_port, "Port # for CS4232 PCM interface."); module_param_array(cs4232_pcm_irq, int, NULL, 0444); MODULE_PARM_DESC(cs4232_pcm_irq, "IRQ # for CS4232 PCM interface."); module_param_array(dma1, int, NULL, 0444); MODULE_PARM_DESC(dma1, "DMA1 # for CS4232 PCM interface."); module_param_array(dma2, int, NULL, 0444); MODULE_PARM_DESC(dma2, "DMA2 # for CS4232 PCM interface."); module_param_array(cs4232_mpu_port, long, NULL, 0444); MODULE_PARM_DESC(cs4232_mpu_port, "port # for CS4232 MPU-401 interface."); module_param_array(cs4232_mpu_irq, int, NULL, 0444); MODULE_PARM_DESC(cs4232_mpu_irq, "IRQ # for CS4232 MPU-401 interface."); module_param_array(ics2115_irq, int, NULL, 0444); MODULE_PARM_DESC(ics2115_irq, "IRQ # for ICS2115."); module_param_array(ics2115_port, long, NULL, 0444); MODULE_PARM_DESC(ics2115_port, "Port # for ICS2115."); module_param_array(fm_port, long, NULL, 0444); MODULE_PARM_DESC(fm_port, "FM port #."); module_param_array(use_cs4232_midi, bool, NULL, 0444); MODULE_PARM_DESC(use_cs4232_midi, "Use CS4232 MPU-401 interface (inaccessibly located inside your computer)"); static struct platform_device *platform_devices[SNDRV_CARDS]; #ifdef CONFIG_PNP static int pnp_registered; static struct pnp_card_device_id snd_wavefront_pnpids[] = { /* Tropez */ { .id = "CSC7532", .devs = { { "CSC0000" }, { "CSC0010" }, { "PnPb006" }, { "CSC0004" } } }, /* Tropez+ */ { .id = "CSC7632", .devs = { { "CSC0000" }, { "CSC0010" }, { "PnPb006" }, { "CSC0004" } } }, { .id = "" } }; MODULE_DEVICE_TABLE(pnp_card, snd_wavefront_pnpids); static int __devinit snd_wavefront_pnp (int dev, snd_wavefront_card_t *acard, struct pnp_card_link *card, const struct pnp_card_device_id *id) { struct pnp_dev *pdev; struct pnp_resource_table *cfg = kmalloc(sizeof(*cfg), GFP_KERNEL); int err; if (!cfg) return -ENOMEM; /* Check for each logical device. */ /* CS4232 chip (aka "windows sound system") is logical device 0 */ acard->wss = pnp_request_card_device(card, id->devs[0].id, NULL); if (acard->wss == NULL) { kfree(cfg); return -EBUSY; } /* there is a game port at logical device 1, but we ignore it completely */ /* the control interface is logical device 2, but we ignore it completely. in fact, nobody even seems to know what it does. */ /* Only configure the CS4232 MIDI interface if its been specifically requested. It is logical device 3. */ if (use_cs4232_midi[dev]) { acard->mpu = pnp_request_card_device(card, id->devs[2].id, NULL); if (acard->mpu == NULL) { kfree(cfg); return -EBUSY; } } /* The ICS2115 synth is logical device 4 */ acard->synth = pnp_request_card_device(card, id->devs[3].id, NULL); if (acard->synth == NULL) { kfree(cfg); return -EBUSY; } /* PCM/FM initialization */ pdev = acard->wss; pnp_init_resource_table(cfg); /* An interesting note from the Tropez+ FAQ: Q. [Ports] Why is the base address of the WSS I/O ports off by 4? A. WSS I/O requires a block of 8 I/O addresses ("ports"). Of these, the first 4 are used to identify and configure the board. With the advent of PnP, these first 4 addresses have become obsolete, and software applications only use the last 4 addresses to control the codec chip. Therefore, the base address setting "skips past" the 4 unused addresses. */ if (cs4232_pcm_port[dev] != SNDRV_AUTO_PORT) pnp_resource_change(&cfg->port_resource[0], cs4232_pcm_port[dev], 4); if (fm_port[dev] != SNDRV_AUTO_PORT) pnp_resource_change(&cfg->port_resource[1], fm_port[dev], 4); if (dma1[dev] != SNDRV_AUTO_DMA) pnp_resource_change(&cfg->dma_resource[0], dma1[dev], 1); if (dma2[dev] != SNDRV_AUTO_DMA) pnp_resource_change(&cfg->dma_resource[1], dma2[dev], 1); if (cs4232_pcm_irq[dev] != SNDRV_AUTO_IRQ) pnp_resource_change(&cfg->irq_resource[0], cs4232_pcm_irq[dev], 1); if (pnp_manual_config_dev(pdev, cfg, 0) < 0) snd_printk(KERN_ERR "PnP WSS the requested resources are invalid, using auto config\n"); err = pnp_activate_dev(pdev); if (err < 0) { snd_printk(KERN_ERR "PnP WSS pnp configure failure\n"); kfree(cfg); return err; } cs4232_pcm_port[dev] = pnp_port_start(pdev, 0); fm_port[dev] = pnp_port_start(pdev, 1); dma1[dev] = pnp_dma(pdev, 0); dma2[dev] = pnp_dma(pdev, 1); cs4232_pcm_irq[dev] = pnp_irq(pdev, 0); /* Synth initialization */ pdev = acard->synth; pnp_init_resource_table(cfg); if (ics2115_port[dev] != SNDRV_AUTO_PORT) { pnp_resource_change(&cfg->port_resource[0], ics2115_port[dev], 16); } if (ics2115_port[dev] != SNDRV_AUTO_IRQ) { pnp_resource_change(&cfg->irq_resource[0], ics2115_irq[dev], 1); } if (pnp_manual_config_dev(pdev, cfg, 0) < 0) snd_printk(KERN_ERR "PnP ICS2115 the requested resources are invalid, using auto config\n"); err = pnp_activate_dev(pdev); if (err < 0) { snd_printk(KERN_ERR "PnP ICS2115 pnp configure failure\n"); kfree(cfg); return err; } ics2115_port[dev] = pnp_port_start(pdev, 0); ics2115_irq[dev] = pnp_irq(pdev, 0); /* CS4232 MPU initialization. Configure this only if explicitly requested, since its physically inaccessible and consumes another IRQ. */ if (use_cs4232_midi[dev]) { pdev = acard->mpu; pnp_init_resource_table(cfg); if (cs4232_mpu_port[dev] != SNDRV_AUTO_PORT) pnp_resource_change(&cfg->port_resource[0], cs4232_mpu_port[dev], 2); if (cs4232_mpu_irq[dev] != SNDRV_AUTO_IRQ) pnp_resource_change(&cfg->port_resource[0], cs4232_mpu_irq[dev], 1); if (pnp_manual_config_dev(pdev, cfg, 0) < 0) snd_printk(KERN_ERR "PnP MPU401 the requested resources are invalid, using auto config\n"); err = pnp_activate_dev(pdev); if (err < 0) { snd_printk(KERN_ERR "PnP MPU401 pnp configure failure\n"); cs4232_mpu_port[dev] = SNDRV_AUTO_PORT; } else { cs4232_mpu_port[dev] = pnp_port_start(pdev, 0); cs4232_mpu_irq[dev] = pnp_irq(pdev, 0); } snd_printk (KERN_INFO "CS4232 MPU: port=0x%lx, irq=%i\n", cs4232_mpu_port[dev], cs4232_mpu_irq[dev]); } snd_printdd ("CS4232: pcm port=0x%lx, fm port=0x%lx, dma1=%i, dma2=%i, irq=%i\nICS2115: port=0x%lx, irq=%i\n", cs4232_pcm_port[dev], fm_port[dev], dma1[dev], dma2[dev], cs4232_pcm_irq[dev], ics2115_port[dev], ics2115_irq[dev]); kfree(cfg); return 0; } #endif /* CONFIG_PNP */ static irqreturn_t snd_wavefront_ics2115_interrupt(int irq, void *dev_id, struct pt_regs *regs) { snd_wavefront_card_t *acard; acard = (snd_wavefront_card_t *) dev_id; if (acard == NULL) return IRQ_NONE; if (acard->wavefront.interrupts_are_midi) { snd_wavefront_midi_interrupt (acard); } else { snd_wavefront_internal_interrupt (acard); } return IRQ_HANDLED; } static struct snd_hwdep * __devinit snd_wavefront_new_synth (struct snd_card *card, int hw_dev, snd_wavefront_card_t *acard) { struct snd_hwdep *wavefront_synth; if (snd_wavefront_detect (acard) < 0) { return NULL; } if (snd_wavefront_start (&acard->wavefront) < 0) { return NULL; } if (snd_hwdep_new(card, "WaveFront", hw_dev, &wavefront_synth) < 0) return NULL; strcpy (wavefront_synth->name, "WaveFront (ICS2115) wavetable synthesizer"); wavefront_synth->ops.open = snd_wavefront_synth_open; wavefront_synth->ops.release = snd_wavefront_synth_release; wavefront_synth->ops.ioctl = snd_wavefront_synth_ioctl; return wavefront_synth; } static struct snd_hwdep * __devinit snd_wavefront_new_fx (struct snd_card *card, int hw_dev, snd_wavefront_card_t *acard, unsigned long port) { struct snd_hwdep *fx_processor; if (snd_wavefront_fx_start (&acard->wavefront)) { snd_printk (KERN_ERR "cannot initialize YSS225 FX processor"); return NULL; } if (snd_hwdep_new (card, "YSS225", hw_dev, &fx_processor) < 0) return NULL; sprintf (fx_processor->name, "YSS225 FX Processor at 0x%lx", port); fx_processor->ops.open = snd_wavefront_fx_open; fx_processor->ops.release = snd_wavefront_fx_release; fx_processor->ops.ioctl = snd_wavefront_fx_ioctl; return fx_processor; } static snd_wavefront_mpu_id internal_id = internal_mpu; static snd_wavefront_mpu_id external_id = external_mpu; static struct snd_rawmidi *__devinit snd_wavefront_new_midi (struct snd_card *card, int midi_dev, snd_wavefront_card_t *acard, unsigned long port, snd_wavefront_mpu_id mpu) { struct snd_rawmidi *rmidi; static int first = 1; if (first) { first = 0; acard->wavefront.midi.base = port; if (snd_wavefront_midi_start (acard)) { snd_printk (KERN_ERR "cannot initialize MIDI interface\n"); return NULL; } } if (snd_rawmidi_new (card, "WaveFront MIDI", midi_dev, 1, 1, &rmidi) < 0) return NULL; if (mpu == internal_mpu) { strcpy(rmidi->name, "WaveFront MIDI (Internal)"); rmidi->private_data = &internal_id; } else { strcpy(rmidi->name, "WaveFront MIDI (External)"); rmidi->private_data = &external_id; } snd_rawmidi_set_ops(rmidi, SNDRV_RAWMIDI_STREAM_OUTPUT, &snd_wavefront_midi_output); snd_rawmidi_set_ops(rmidi, SNDRV_RAWMIDI_STREAM_INPUT, &snd_wavefront_midi_input); rmidi->info_flags |= SNDRV_RAWMIDI_INFO_OUTPUT | SNDRV_RAWMIDI_INFO_INPUT | SNDRV_RAWMIDI_INFO_DUPLEX; return rmidi; } static void snd_wavefront_free(struct snd_card *card) { snd_wavefront_card_t *acard = (snd_wavefront_card_t *)card->private_data; if (acard) { release_and_free_resource(acard->wavefront.res_base); if (acard->wavefront.irq > 0) free_irq(acard->wavefront.irq, (void *)acard); } } static struct snd_card *snd_wavefront_card_new(int dev) { struct snd_card *card; snd_wavefront_card_t *acard; card = snd_card_new (index[dev], id[dev], THIS_MODULE, sizeof(snd_wavefront_card_t)); if (card == NULL) return NULL; acard = card->private_data; acard->wavefront.irq = -1; spin_lock_init(&acard->wavefront.irq_lock); init_waitqueue_head(&acard->wavefront.interrupt_sleeper); spin_lock_init(&acard->wavefront.midi.open); spin_lock_init(&acard->wavefront.midi.virtual); card->private_free = snd_wavefront_free; return card; } static int __devinit snd_wavefront_probe (struct snd_card *card, int dev) { snd_wavefront_card_t *acard = card->private_data; struct snd_cs4231 *chip; struct snd_hwdep *wavefront_synth; struct snd_rawmidi *ics2115_internal_rmidi = NULL; struct snd_rawmidi *ics2115_external_rmidi = NULL; struct snd_hwdep *fx_processor; int hw_dev = 0, midi_dev = 0, err; /* --------- PCM --------------- */ if ((err = snd_cs4231_create (card, cs4232_pcm_port[dev], -1, cs4232_pcm_irq[dev], dma1[dev], dma2[dev], CS4231_HW_DETECT, 0, &chip)) < 0) { snd_printk (KERN_ERR "can't allocate CS4231 device\n"); return err; } if ((err = snd_cs4231_pcm (chip, 0, NULL)) < 0) return err; if ((err = snd_cs4231_timer (chip, 0, NULL)) < 0) return err; /* ---------- OPL3 synth --------- */ if (fm_port[dev] > 0 && fm_port[dev] != SNDRV_AUTO_PORT) { struct snd_opl3 *opl3; if ((err = snd_opl3_create(card, fm_port[dev], fm_port[dev] + 2, OPL3_HW_OPL3_CS, 0, &opl3)) < 0) { snd_printk (KERN_ERR "can't allocate or detect OPL3 synth\n"); return err; } if ((err = snd_opl3_hwdep_new(opl3, hw_dev, 1, NULL)) < 0) return err; hw_dev++; } /* ------- ICS2115 Wavetable synth ------- */ if ((acard->wavefront.res_base = request_region(ics2115_port[dev], 16, "ICS2115")) == NULL) { snd_printk(KERN_ERR "unable to grab ICS2115 i/o region 0x%lx-0x%lx\n", ics2115_port[dev], ics2115_port[dev] + 16 - 1); return -EBUSY; } if (request_irq(ics2115_irq[dev], snd_wavefront_ics2115_interrupt, SA_INTERRUPT, "ICS2115", acard)) { snd_printk(KERN_ERR "unable to use ICS2115 IRQ %d\n", ics2115_irq[dev]); return -EBUSY; } acard->wavefront.irq = ics2115_irq[dev]; acard->wavefront.base = ics2115_port[dev]; if ((wavefront_synth = snd_wavefront_new_synth (card, hw_dev, acard)) == NULL) { snd_printk (KERN_ERR "can't create WaveFront synth device\n"); return -ENOMEM; } strcpy (wavefront_synth->name, "ICS2115 Wavetable MIDI Synthesizer"); wavefront_synth->iface = SNDRV_HWDEP_IFACE_ICS2115; hw_dev++; /* --------- Mixer ------------ */ if ((err = snd_cs4231_mixer(chip)) < 0) { snd_printk (KERN_ERR "can't allocate mixer device\n"); return err; } /* -------- CS4232 MPU-401 interface -------- */ if (cs4232_mpu_port[dev] > 0 && cs4232_mpu_port[dev] != SNDRV_AUTO_PORT) { if ((err = snd_mpu401_uart_new(card, midi_dev, MPU401_HW_CS4232, cs4232_mpu_port[dev], 0, cs4232_mpu_irq[dev], SA_INTERRUPT, NULL)) < 0) { snd_printk (KERN_ERR "can't allocate CS4232 MPU-401 device\n"); return err; } midi_dev++; } /* ------ ICS2115 internal MIDI ------------ */ if (ics2115_port[dev] > 0 && ics2115_port[dev] != SNDRV_AUTO_PORT) { ics2115_internal_rmidi = snd_wavefront_new_midi (card, midi_dev, acard, ics2115_port[dev], internal_mpu); if (ics2115_internal_rmidi == NULL) { snd_printk (KERN_ERR "can't setup ICS2115 internal MIDI device\n"); return -ENOMEM; } midi_dev++; } /* ------ ICS2115 external MIDI ------------ */ if (ics2115_port[dev] > 0 && ics2115_port[dev] != SNDRV_AUTO_PORT) { ics2115_external_rmidi = snd_wavefront_new_midi (card, midi_dev, acard, ics2115_port[dev], external_mpu); if (ics2115_external_rmidi == NULL) { snd_printk (KERN_ERR "can't setup ICS2115 external MIDI device\n"); return -ENOMEM; } midi_dev++; } /* FX processor for Tropez+ */ if (acard->wavefront.has_fx) { fx_processor = snd_wavefront_new_fx (card, hw_dev, acard, ics2115_port[dev]); if (fx_processor == NULL) { snd_printk (KERN_ERR "can't setup FX device\n"); return -ENOMEM; } hw_dev++; strcpy(card->driver, "Tropez+"); strcpy(card->shortname, "Turtle Beach Tropez+"); } else { /* Need a way to distinguish between Maui and Tropez */ strcpy(card->driver, "WaveFront"); strcpy(card->shortname, "Turtle Beach WaveFront"); } /* ----- Register the card --------- */ /* Not safe to include "Turtle Beach" in longname, due to length restrictions */ sprintf(card->longname, "%s PCM 0x%lx irq %d dma %d", card->driver, chip->port, cs4232_pcm_irq[dev], dma1[dev]); if (dma2[dev] >= 0 && dma2[dev] < 8) sprintf(card->longname + strlen(card->longname), "&%d", dma2[dev]); if (cs4232_mpu_port[dev] > 0 && cs4232_mpu_port[dev] != SNDRV_AUTO_PORT) { sprintf (card->longname + strlen (card->longname), " MPU-401 0x%lx irq %d", cs4232_mpu_port[dev], cs4232_mpu_irq[dev]); } sprintf (card->longname + strlen (card->longname), " SYNTH 0x%lx irq %d", ics2115_port[dev], ics2115_irq[dev]); return snd_card_register(card); } static int __devinit snd_wavefront_nonpnp_probe(struct platform_device *pdev) { int dev = pdev->id; struct snd_card *card; int err; if (cs4232_pcm_port[dev] == SNDRV_AUTO_PORT) { snd_printk("specify CS4232 port\n"); return -EINVAL; } if (ics2115_port[dev] == SNDRV_AUTO_PORT) { snd_printk("specify ICS2115 port\n"); return -ENODEV; } card = snd_wavefront_card_new(dev); if (! card) return -ENOMEM; snd_card_set_dev(card, &pdev->dev); if ((err = snd_wavefront_probe(card, dev)) < 0) { snd_card_free(card); return err; } platform_set_drvdata(pdev, card); return 0; } static int __devexit snd_wavefront_nonpnp_remove(struct platform_device *devptr) { snd_card_free(platform_get_drvdata(devptr)); platform_set_drvdata(devptr, NULL); return 0; } #define WAVEFRONT_DRIVER "snd_wavefront" static struct platform_driver snd_wavefront_driver = { .probe = snd_wavefront_nonpnp_probe, .remove = __devexit_p(snd_wavefront_nonpnp_remove), /* FIXME: suspend, resume */ .driver = { .name = WAVEFRONT_DRIVER }, }; #ifdef CONFIG_PNP static unsigned int __devinitdata wavefront_pnp_devices; static int __devinit snd_wavefront_pnp_detect(struct pnp_card_link *pcard, const struct pnp_card_device_id *pid) { static int dev; struct snd_card *card; int res; for ( ; dev < SNDRV_CARDS; dev++) { if (enable[dev] && isapnp[dev]) break; } if (dev >= SNDRV_CARDS) return -ENODEV; card = snd_wavefront_card_new(dev); if (! card) return -ENOMEM; if (snd_wavefront_pnp (dev, card->private_data, pcard, pid) < 0) { if (cs4232_pcm_port[dev] == SNDRV_AUTO_PORT) { snd_printk (KERN_ERR "isapnp detection failed\n"); snd_card_free (card); return -ENODEV; } } snd_card_set_dev(card, &pcard->card->dev); if ((res = snd_wavefront_probe(card, dev)) < 0) return res; pnp_set_card_drvdata(pcard, card); dev++; wavefront_pnp_devices++; return 0; } static void __devexit snd_wavefront_pnp_remove(struct pnp_card_link * pcard) { snd_card_free(pnp_get_card_drvdata(pcard)); pnp_set_card_drvdata(pcard, NULL); } static struct pnp_card_driver wavefront_pnpc_driver = { .flags = PNP_DRIVER_RES_DISABLE, .name = "wavefront", .id_table = snd_wavefront_pnpids, .probe = snd_wavefront_pnp_detect, .remove = __devexit_p(snd_wavefront_pnp_remove), /* FIXME: suspend,resume */ }; #endif /* CONFIG_PNP */ static void __init_or_module snd_wavefront_unregister_all(void) { int i; #ifdef CONFIG_PNP if (pnp_registered) pnp_unregister_card_driver(&wavefront_pnpc_driver); #endif for (i = 0; i < ARRAY_SIZE(platform_devices); ++i) platform_device_unregister(platform_devices[i]); platform_driver_unregister(&snd_wavefront_driver); } static int __init alsa_card_wavefront_init(void) { int i, err, cards = 0; if ((err = platform_driver_register(&snd_wavefront_driver)) < 0) return err; for (i = 0; i < SNDRV_CARDS; i++) { struct platform_device *device; if (! enable[i]) continue; #ifdef CONFIG_PNP if (isapnp[i]) continue; #endif device = platform_device_register_simple(WAVEFRONT_DRIVER, i, NULL, 0); if (IS_ERR(device)) continue; if (!platform_get_drvdata(device)) { platform_device_unregister(device); continue; } platform_devices[i] = device; cards++; } #ifdef CONFIG_PNP err = pnp_register_card_driver(&wavefront_pnpc_driver); if (!err) { pnp_registered = 1; cards += wavefront_pnp_devices; } #endif if (!cards) { #ifdef MODULE printk (KERN_ERR "No WaveFront cards found or devices busy\n"); #endif snd_wavefront_unregister_all(); return -ENODEV; } return 0; } static void __exit alsa_card_wavefront_exit(void) { snd_wavefront_unregister_all(); } module_init(alsa_card_wavefront_init) module_exit(alsa_card_wavefront_exit)