📄 wavefront.c
字号:
} 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)
⌨️ 快捷键说明
复制代码
Ctrl + C
搜索代码
Ctrl + F
全屏模式
F11
切换主题
Ctrl + Shift + D
显示快捷键
?
增大字号
Ctrl + =
减小字号
Ctrl + -