📄 opti92x-ad1848.c
字号:
return pid->driver_data;}#endif /* CONFIG_PNP */#if 0static int __devinit snd_card_opti9xx_resources(struct snd_card_opti9xx *chip, snd_card_t *card){ int error, i, pnp = 0;#ifdef CONFIG_PNP pnp = chip->dev != NULL;#endif /* CONFIG_PNP */#ifndef OPTi93X if (chip->chip->hardware == OPTi9XX_HW_82C928) mpu_port = -1;#endif /* OPTi93X */ error = 0; if (!pnp && (mpu_port == SNDRV_DEFAULT_PORT1)) { for (i = 0; possible_mpu_ports[i] != -1; i++) if (!snd_register_ioport(card, possible_mpu_ports[i], 2, DRIVER_NAME" - MPU-401", NULL)) { mpu_port = possible_mpu_ports[i]; break; } if (mpu_port == SNDRV_DEFAULT_PORT1) error = -EBUSY; } else error = (mpu_port == -1) ? -ENODEV : snd_register_ioport(card, mpu_port, 2, DRIVER_NAME" - MPU-401", NULL); if (error) chip->chip->mpu_port = -1; else if (pnp && (irq == mpu_irq)) chip->chip->mpu_irq = mpu_irq; else if (!snd_register_interrupt(card, DRIVER_NAME" - MPU-401", mpu_irq, SNDRV_IRQ_TYPE_ISA, snd_card_opti9xx_mpu_interrupt, chip, pnp ? no_alternatives : possible_mpu_irqs, &chip->mpuirqptr)) { chip->chip->mpu_port = mpu_port; chip->chip->mpu_irq = chip->mpuirqptr->irq; } else chip->chip->mpu_port = -1; if (!pnp && (port == SNDRV_DEFAULT_PORT1)) { for (i = 0; possible_ports[i] != -1; i++) if (!snd_register_ioport(card, possible_ports[i], 8, DRIVER_NAME" - WSS", NULL)) { port = possible_ports[i]; break; } if (port == SNDRV_DEFAULT_PORT1) return -EBUSY; } else if ((error = snd_register_ioport(card, port, 8, DRIVER_NAME" - WSS", NULL)) < 0) return error; chip->chip->wss_base = port; if ((error = snd_register_interrupt(card, DRIVER_NAME" - WSS", irq, SNDRV_IRQ_TYPE_ISA, snd_card_opti9xx_interrupt, chip, pnp ? no_alternatives : possible_irqs, &chip->irqptr)) < 0) return error; chip->chip->irq = chip->irqptr->irq; if ((error = snd_register_dma_channel(card,#if defined(CS4231) || defined(OPTi93X) DRIVER_NAME" - WSS playback",#else DRIVER_NAME" - WSS",#endif /* CS4231 || OPTi93X */ dma1, SNDRV_DMA_TYPE_ISA, dma1_size, pnp ? no_alternatives : possible_dma1s, &chip->dma1ptr)) < 0) return error; chip->chip->dma1 = chip->dma1ptr->dma;#if defined(CS4231) || defined(OPTi93X) if ((error = snd_register_dma_channel(card, DRIVER_NAME" - WSS capture", dma2, SNDRV_DMA_TYPE_ISA, dma2_size, pnp ? no_alternatives : possible_dma2s[chip->dma1ptr->dma], &chip->dma2ptr)) < 0) return error; chip->chip->dma2 = chip->dma2ptr->dma;#endif /* CS4231 || OPTi93X */ if (snd_register_ioport(card, pnp ? fm_port : fm_port = 0x388, 4, DRIVER_NAME" - OPL", NULL) < 0) fm_port = -1; chip->chip->fm_port = fm_port; return 0;}#endifstatic void snd_card_opti9xx_free(snd_card_t *card){ opti9xx_t *chip = (opti9xx_t *)card->private_data; if (chip) release_and_free_resource(chip->res_mc_base);}static int snd_card_opti9xx_probe(struct pnp_card_link *pcard, const struct pnp_card_device_id *pid){ static long possible_ports[] = {0x530, 0xe80, 0xf40, 0x604, -1}; static long possible_mpu_ports[] = {0x300, 0x310, 0x320, 0x330, -1};#ifdef OPTi93X static int possible_irqs[] = {5, 9, 10, 11, 7, -1};#else static int possible_irqs[] = {9, 10, 11, 7, -1};#endif /* OPTi93X */ static int possible_mpu_irqs[] = {5, 9, 10, 7, -1}; static int possible_dma1s[] = {3, 1, 0, -1};#if defined(CS4231) || defined(OPTi93X) static int possible_dma2s[][2] = {{1,-1}, {0,-1}, {-1,-1}, {0,-1}};#endif /* CS4231 || OPTi93X */ int error; opti9xx_t *chip;#if defined(OPTi93X) opti93x_t *codec;#elif defined(CS4231) cs4231_t *codec; snd_timer_t *timer;#else ad1848_t *codec;#endif snd_card_t *card; snd_pcm_t *pcm; snd_rawmidi_t *rmidi; snd_hwdep_t *synth;#ifdef CONFIG_PNP int hw;#endif /* CONFIG_PNP */ if (pcard && !snd_opti9xx_first_hit) return -EBUSY; if (!(card = snd_card_new(index, id, THIS_MODULE, sizeof(opti9xx_t)))) return -ENOMEM; card->private_free = snd_card_opti9xx_free; chip = (opti9xx_t *)card->private_data;#ifdef CONFIG_PNP if (isapnp && pcard && (hw = snd_card_opti9xx_pnp(chip, pcard, pid)) > 0) { switch (hw) { case 0x0924: hw = OPTi9XX_HW_82C924; break; case 0x0925: hw = OPTi9XX_HW_82C925; break; case 0x0931: hw = OPTi9XX_HW_82C931; break; default: snd_card_free(card); return -ENODEV; } if ((error = snd_opti9xx_init(chip, hw))) { snd_card_free(card); return error; } if (hw <= OPTi9XX_HW_82C930) chip->mc_base -= 0x80; snd_card_set_dev(card, &pcard->card->dev); } else {#endif /* CONFIG_PNP */ if ((error = snd_card_opti9xx_detect(card, chip)) < 0) { snd_card_free(card); return error; } if ((error = snd_card_set_generic_dev(card)) < 0) { snd_card_free(card); return error; }#ifdef CONFIG_PNP }#endif /* CONFIG_PNP */ if (! chip->res_mc_base && (chip->res_mc_base = request_region(chip->mc_base, chip->mc_base_size, "OPTi9xx MC")) == NULL) { snd_card_free(card); return -ENOMEM; } chip->wss_base = port; chip->fm_port = fm_port; chip->mpu_port = mpu_port; chip->irq = irq; chip->mpu_irq = mpu_irq; chip->dma1 = dma1;#if defined(CS4231) || defined(OPTi93X) chip->dma2 = dma2;#endif if (chip->wss_base == SNDRV_AUTO_PORT) { if ((chip->wss_base = snd_legacy_find_free_ioport(possible_ports, 4)) < 0) { snd_card_free(card); snd_printk("unable to find a free WSS port\n"); return -EBUSY; } }#ifdef CONFIG_PNP if (!isapnp) {#endif if (chip->mpu_port == SNDRV_AUTO_PORT) { if ((chip->mpu_port = snd_legacy_find_free_ioport(possible_mpu_ports, 2)) < 0) { snd_card_free(card); snd_printk("unable to find a free MPU401 port\n"); return -EBUSY; } } if (chip->irq == SNDRV_AUTO_IRQ) { if ((chip->irq = snd_legacy_find_free_irq(possible_irqs)) < 0) { snd_card_free(card); snd_printk("unable to find a free IRQ\n"); return -EBUSY; } } if (chip->mpu_irq == SNDRV_AUTO_IRQ) { if ((chip->mpu_irq = snd_legacy_find_free_irq(possible_mpu_irqs)) < 0) { snd_card_free(card); snd_printk("unable to find a free MPU401 IRQ\n"); return -EBUSY; } } if (chip->dma1 == SNDRV_AUTO_DMA) { if ((chip->dma1 = snd_legacy_find_free_dma(possible_dma1s)) < 0) { snd_card_free(card); snd_printk("unable to find a free DMA1\n"); return -EBUSY; } }#if defined(CS4231) || defined(OPTi93X) if (chip->dma2 == SNDRV_AUTO_DMA) { if ((chip->dma2 = snd_legacy_find_free_dma(possible_dma2s[chip->dma1 % 4])) < 0) { snd_card_free(card); snd_printk("unable to find a free DMA2\n"); return -EBUSY; } }#endif#ifdef CONFIG_PNP }#endif if ((error = snd_opti9xx_configure(chip))) { snd_card_free(card); return error; }#if defined(OPTi93X) if ((error = snd_opti93x_create(card, chip, chip->dma1, chip->dma2, &codec))) { snd_card_free(card); return error; } if ((error = snd_opti93x_pcm(codec, 0, &pcm)) < 0) { snd_card_free(card); return error; } if ((error = snd_opti93x_mixer(codec)) < 0) { snd_card_free(card); return error; }#elif defined(CS4231) if ((error = snd_cs4231_create(card, chip->wss_base + 4, -1, chip->irq, chip->dma1, chip->dma2, CS4231_HW_DETECT, 0, &codec)) < 0) { snd_card_free(card); return error; } if ((error = snd_cs4231_pcm(codec, 0, &pcm)) < 0) { snd_card_free(card); return error; } if ((error = snd_cs4231_mixer(codec)) < 0) { snd_card_free(card); return error; } if ((error = snd_cs4231_timer(codec, 0, &timer)) < 0) { snd_card_free(card); return error; }#else if ((error = snd_ad1848_create(card, chip->wss_base + 4, chip->irq, chip->dma1, AD1848_HW_DETECT, &codec)) < 0) { snd_card_free(card); return error; } if ((error = snd_ad1848_pcm(codec, 0, &pcm)) < 0) { snd_card_free(card); return error; } if ((error = snd_ad1848_mixer(codec)) < 0) { snd_card_free(card); return error; }#endif strcpy(card->driver, chip->name); sprintf(card->shortname, "OPTi %s", card->driver);#if defined(CS4231) || defined(OPTi93X) sprintf(card->longname, "%s, %s at 0x%lx, irq %d, dma %d&%d", card->shortname, pcm->name, chip->wss_base + 4, chip->irq, chip->dma1, chip->dma2);#else sprintf(card->longname, "%s, %s at 0x%lx, irq %d, dma %d", card->shortname, pcm->name, chip->wss_base + 4, chip->irq, chip->dma1);#endif /* CS4231 || OPTi93X */ if (chip->mpu_port <= 0 || chip->mpu_port == SNDRV_AUTO_PORT) rmidi = NULL; else if ((error = snd_mpu401_uart_new(card, 0, MPU401_HW_MPU401, chip->mpu_port, 0, chip->mpu_irq, SA_INTERRUPT, &rmidi))) snd_printk("no MPU-401 device at 0x%lx?\n", chip->mpu_port); if (chip->fm_port > 0 && chip->fm_port != SNDRV_AUTO_PORT) { opl3_t *opl3 = NULL;#ifndef OPTi93X if (chip->hardware == OPTi9XX_HW_82C928 || chip->hardware == OPTi9XX_HW_82C929 || chip->hardware == OPTi9XX_HW_82C924) { opl4_t *opl4; /* assume we have an OPL4 */ snd_opti9xx_write_mask(chip, OPTi9XX_MC_REG(2), 0x20, 0x20); if (snd_opl4_create(card, chip->fm_port, chip->fm_port - 8, 2, &opl3, &opl4) < 0) { /* no luck, use OPL3 instead */ snd_opti9xx_write_mask(chip, OPTi9XX_MC_REG(2), 0x00, 0x20); } }#endif /* !OPTi93X */ if (!opl3 && snd_opl3_create(card, chip->fm_port, chip->fm_port + 2, OPL3_HW_AUTO, 0, &opl3) < 0) { snd_printk("no OPL device at 0x%lx-0x%lx\n", chip->fm_port, chip->fm_port + 4 - 1); } if (opl3) { if ((error = snd_opl3_timer_new(opl3,#ifdef CS4231 1, 2)) < 0) {#else 0, 1)) < 0) {#endif /* CS4231 */ snd_card_free(card); return error; } if ((error = snd_opl3_hwdep_new(opl3, 0, 1, &synth)) < 0) { snd_card_free(card); return error; } } } if ((error = snd_card_register(card))) { snd_card_free(card); return error; } snd_opti9xx_first_hit = 0; if (pcard) pnp_set_card_drvdata(pcard, card); else snd_opti9xx_legacy = card; return 0;}#ifdef CONFIG_PNPstatic void __devexit snd_opti9xx_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); snd_opti9xx_first_hit = 0;}static struct pnp_card_driver opti9xx_pnpc_driver = { .flags = PNP_DRIVER_RES_DISABLE, .name = "opti9xx", .id_table = snd_opti9xx_pnpids, .probe = snd_card_opti9xx_probe, .remove = __devexit_p(snd_opti9xx_pnp_remove),};#endifstatic int __init alsa_card_opti9xx_init(void){ int cards, error;#ifdef CONFIG_PNP cards = pnp_register_card_driver(&opti9xx_pnpc_driver);#else cards = 0;#endif if (cards == 0 && (error = snd_card_opti9xx_probe(NULL, NULL)) < 0) {#ifdef CONFIG_PNP pnp_unregister_card_driver(&opti9xx_pnpc_driver);#endif#ifdef MODULE#ifdef OPTi93X printk(KERN_ERR "no OPTi 82C93x soundcard found\n");#else printk(KERN_ERR "no OPTi 82C92x soundcard found\n");#endif /* OPTi93X */#endif return error; } return 0;}static void __exit alsa_card_opti9xx_exit(void){#ifdef CONFIG_PNP pnp_unregister_card_driver(&opti9xx_pnpc_driver);#endif if (snd_opti9xx_legacy) snd_card_free(snd_opti9xx_legacy);}module_init(alsa_card_opti9xx_init)module_exit(alsa_card_opti9xx_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 + -