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📄 wavefront.c

📁 linux-2.6.15.6
💻 C
📖 第 1 页 / 共 2 页
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	} 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 voidsnd_wavefront_free(snd_card_t *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 int __devinitsnd_wavefront_probe (int dev, struct pnp_card_link *pcard,		     const struct pnp_card_device_id *pid){	snd_card_t *card;	snd_wavefront_card_t *acard;	cs4231_t *chip;	snd_hwdep_t *wavefront_synth;	snd_rawmidi_t *ics2115_internal_rmidi = NULL;	snd_rawmidi_t *ics2115_external_rmidi = NULL;	snd_hwdep_t *fx_processor;	int hw_dev = 0, midi_dev = 0, err;#ifdef CONFIG_PNP	if (!isapnp[dev]) {#endif		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;		}#ifdef CONFIG_PNP	}#endif	card = snd_card_new (index[dev], 			     id[dev],			     THIS_MODULE,			     sizeof(snd_wavefront_card_t));	if (card == NULL) {		return -ENOMEM;	}	acard = (snd_wavefront_card_t *)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;#ifdef CONFIG_PNP	if (isapnp[dev]) {		if (snd_wavefront_pnp (dev, acard, pcard, pid) < 0) {			if (cs4232_pcm_port[dev] == SNDRV_AUTO_PORT) {				snd_printk ("isapnp detection failed\n");				snd_card_free (card);				return -ENODEV;			}		}		snd_card_set_dev(card, &pcard->card->dev);	}#endif /* CONFIG_PNP */	/* --------- 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_card_free(card);		snd_printk ("can't allocate CS4231 device\n");		return err;	}	if ((err = snd_cs4231_pcm (chip, 0, NULL)) < 0) {		snd_card_free(card);		return err;	}	if ((err = snd_cs4231_timer (chip, 0, NULL)) < 0) {		snd_card_free(card);		return err;	}	/* ---------- OPL3 synth --------- */	if (fm_port[dev] > 0 && fm_port[dev] != SNDRV_AUTO_PORT) {		opl3_t *opl3;	        if ((err = snd_opl3_create(card,					   fm_port[dev],					   fm_port[dev] + 2,					   OPL3_HW_OPL3_CS,					   0, &opl3)) < 0) {			snd_printk ("can't allocate or detect OPL3 synth\n");			snd_card_free(card);			return err;		}		if ((err = snd_opl3_hwdep_new(opl3, hw_dev, 1, NULL)) < 0) {			snd_card_free(card);			return err;		}		hw_dev++;	}	/* ------- ICS2115 Wavetable synth ------- */	if ((acard->wavefront.res_base = request_region(ics2115_port[dev], 16, "ICS2115")) == NULL) {		snd_printk("unable to grab ICS2115 i/o region 0x%lx-0x%lx\n", ics2115_port[dev], ics2115_port[dev] + 16 - 1);		snd_card_free(card);		return -EBUSY;	}	if (request_irq(ics2115_irq[dev], snd_wavefront_ics2115_interrupt, SA_INTERRUPT, "ICS2115", (void *)acard)) {		snd_printk("unable to use ICS2115 IRQ %d\n", ics2115_irq[dev]);		snd_card_free(card);		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 ("can't create WaveFront synth device\n");		snd_card_free(card);		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 ("can't allocate mixer device\n");		snd_card_free(card);		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 ("can't allocate CS4232 MPU-401 device\n");			snd_card_free(card);			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 ("can't setup ICS2115 internal MIDI device\n");			snd_card_free(card);			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 ("can't setup ICS2115 external MIDI device\n");			snd_card_free(card);			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 ("can't setup FX device\n");			snd_card_free(card);			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]);	if ((err = snd_card_set_generic_dev(card)) < 0) {		snd_card_free(card);		return err;	}	if ((err = snd_card_register(card)) < 0) {		snd_card_free(card);		return err;	}	if (pcard)		pnp_set_card_drvdata(pcard, card);	else		snd_wavefront_legacy[dev] = card;	return 0;}	#ifdef CONFIG_PNPstatic int __devinit snd_wavefront_pnp_detect(struct pnp_card_link *card,                                              const struct pnp_card_device_id *id){        static int dev;        int res;        for ( ; dev < SNDRV_CARDS; dev++) {                if (!enable[dev] || !isapnp[dev])                        continue;                res = snd_wavefront_probe(dev, card, id);                if (res < 0)                        return res;                dev++;                return 0;        }        return -ENODEV;}static void __devexit snd_wavefront_pnp_remove(struct pnp_card_link * pcard){	snd_card_t *card = (snd_card_t *) pnp_get_card_drvdata(pcard);	snd_card_disconnect(card);	snd_card_free_in_thread(card);}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),};#endif /* CONFIG_PNP */static int __init alsa_card_wavefront_init(void){	int cards = 0;	int dev;	for (dev = 0; dev < SNDRV_CARDS; dev++) {		if (!enable[dev])			continue;#ifdef CONFIG_PNP		if (isapnp[dev])			continue;#endif		if (snd_wavefront_probe(dev, NULL, NULL) >= 0)			cards++;	}#ifdef CONFIG_PNP	cards += pnp_register_card_driver(&wavefront_pnpc_driver);#endif	if (!cards) {#ifdef CONFIG_PNP		pnp_unregister_card_driver(&wavefront_pnpc_driver);#endif#ifdef MODULE		printk (KERN_ERR "No WaveFront cards found or devices busy\n");#endif		return -ENODEV;	}	return 0;}static void __exit alsa_card_wavefront_exit(void){	int idx;#ifdef CONFIG_PNP	pnp_unregister_card_driver(&wavefront_pnpc_driver);#endif	for (idx = 0; idx < SNDRV_CARDS; idx++)		snd_card_free(snd_wavefront_legacy[idx]);}module_init(alsa_card_wavefront_init)module_exit(alsa_card_wavefront_exit)

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