cs4236.c

linux-2.6.15.6

	if (sb_port[dev] != SNDRV_AUTO_PORT)
		pnp_resource_change(&cfg->port_resource[2], sb_port[dev], 16);
	if (irq[dev] != SNDRV_AUTO_IRQ)
		pnp_resource_change(&cfg->irq_resource[0], irq[dev], 1);
	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] < 0 ? 4 : dma2[dev], 1);
	err = pnp_manual_config_dev(pdev, cfg, 0);
	if (err < 0)
		snd_printk(KERN_ERR IDENT " WSS PnP manual resources are invalid, using auto config\n");
	err = pnp_activate_dev(pdev);
	if (err < 0) {
		kfree(cfg);
		printk(KERN_ERR IDENT " WSS PnP configure failed for WSS (out of resources?)\n");
		return -EBUSY;
	}
	port[dev] = pnp_port_start(pdev, 0);
	if (fm_port[dev] > 0)
		fm_port[dev] = pnp_port_start(pdev, 1);
	sb_port[dev] = pnp_port_start(pdev, 2);
	irq[dev] = pnp_irq(pdev, 0);
	dma1[dev] = pnp_dma(pdev, 0);
	dma2[dev] = pnp_dma(pdev, 1) == 4 ? -1 : (int)pnp_dma(pdev, 1);
	snd_printdd("isapnp WSS: wss port=0x%lx, fm port=0x%lx, sb port=0x%lx\n",
			port[dev], fm_port[dev], sb_port[dev]);
	snd_printdd("isapnp WSS: irq=%i, dma1=%i, dma2=%i\n",
			irq[dev], dma1[dev], dma2[dev]);
	/* CTRL initialization */
	if (acard->ctrl && cport[dev] > 0) {
		pdev = acard->ctrl;
		pnp_init_resource_table(cfg);
		if (cport[dev] != SNDRV_AUTO_PORT)
			pnp_resource_change(&cfg->port_resource[0], cport[dev], 8);
		err = pnp_manual_config_dev(pdev, cfg, 0);
		if (err < 0)
			snd_printk(KERN_ERR IDENT " CTRL PnP manual resources are invalid, using auto config\n");
		err = pnp_activate_dev(pdev);
		if (err < 0) {
			kfree(cfg);
			printk(KERN_ERR IDENT " CTRL PnP configure failed for WSS (out of resources?)\n");
			return -EBUSY;
		}
		cport[dev] = pnp_port_start(pdev, 0);
		snd_printdd("isapnp CTRL: control port=0x%lx\n", cport[dev]);
	}
	/* MPU initialization */
	if (acard->mpu && mpu_port[dev] > 0) {
		pdev = acard->mpu;
		pnp_init_resource_table(cfg);
		if (mpu_port[dev] != SNDRV_AUTO_PORT)
			pnp_resource_change(&cfg->port_resource[0], mpu_port[dev], 2);
		if (mpu_irq[dev] != SNDRV_AUTO_IRQ && mpu_irq[dev] >= 0)
			pnp_resource_change(&cfg->irq_resource[0], mpu_irq[dev], 1);
		err = pnp_manual_config_dev(pdev, cfg, 0);
		if (err < 0)
			snd_printk(KERN_ERR IDENT " MPU401 PnP manual resources are invalid, using auto config\n");
		err = pnp_activate_dev(pdev);
		if (err < 0) {
			printk(KERN_ERR IDENT " MPU401 PnP configure failed for WSS (out of resources?)\n");
			mpu_port[dev] = SNDRV_AUTO_PORT;
			mpu_irq[dev] = SNDRV_AUTO_IRQ;
		} else {
			mpu_port[dev] = pnp_port_start(pdev, 0);
			if (mpu_irq[dev] >= 0 &&
			    pnp_irq_valid(pdev, 0) && pnp_irq(pdev, 0) >= 0) {
				mpu_irq[dev] = pnp_irq(pdev, 0);
			} else {
				mpu_irq[dev] = -1;	/* disable interrupt */
			}
		}
		snd_printdd("isapnp MPU: port=0x%lx, irq=%i\n", mpu_port[dev], mpu_irq[dev]);
	}
	kfree(cfg);
	return 0;
}
#endif /* CONFIG_PNP */

static void snd_card_cs4236_free(snd_card_t *card)
{
	struct snd_card_cs4236 *acard = (struct snd_card_cs4236 *)card->private_data;

	if (acard)
		release_and_free_resource(acard->res_sb_port);
}

#ifdef CONFIG_PNP
#define is_isapnp_selected(dev)		isapnp[dev]
#else
#define is_isapnp_selected(dev)		0
#endif

static int __devinit snd_card_cs423x_probe(int dev, struct pnp_card_link *pcard,
					   const struct pnp_card_device_id *pid)
{
	snd_card_t *card;
	struct snd_card_cs4236 *acard;
	snd_pcm_t *pcm = NULL;
	cs4231_t *chip;
	opl3_t *opl3;
	int err;

	if (! is_isapnp_selected(dev)) {
		if (port[dev] == SNDRV_AUTO_PORT) {
			snd_printk(KERN_ERR "specify port\n");
			return -EINVAL;
		}
		if (cport[dev] == SNDRV_AUTO_PORT) {
			snd_printk(KERN_ERR "specify cport\n");
			return -EINVAL;
		}
	}
	card = snd_card_new(index[dev], id[dev], THIS_MODULE,
			    sizeof(struct snd_card_cs4236));
	if (card == NULL)
		return -ENOMEM;
	acard = (struct snd_card_cs4236 *)card->private_data;
	card->private_free = snd_card_cs4236_free;
#ifdef CONFIG_PNP
	if (isapnp[dev]) {
		if ((err = snd_card_cs4236_pnp(dev, acard, pcard, pid))<0) {
			printk(KERN_ERR "isapnp detection failed and probing for " IDENT " is not supported\n");
			goto _err;
		}
		snd_card_set_dev(card, &pcard->card->dev);
	}
#endif
	if (sb_port[dev] > 0 && sb_port[dev] != SNDRV_AUTO_PORT)
		if ((acard->res_sb_port = request_region(sb_port[dev], 16, IDENT " SB")) == NULL) {
			printk(KERN_ERR IDENT ": unable to register SB port at 0x%lx\n", sb_port[dev]);
			err = -EBUSY;
			goto _err;
		}

#ifdef CS4232
	if ((err = snd_cs4231_create(card,
				     port[dev],
				     cport[dev],
				     irq[dev],
				     dma1[dev],
				     dma2[dev],
				     CS4231_HW_DETECT,
				     0,
				     &chip)) < 0)
		goto _err;

	if ((err = snd_cs4231_pcm(chip, 0, &pcm)) < 0)
		goto _err;

	if ((err = snd_cs4231_mixer(chip)) < 0)
		goto _err;

#else /* CS4236 */
	if ((err = snd_cs4236_create(card,
				     port[dev],
				     cport[dev],
				     irq[dev],
				     dma1[dev],
				     dma2[dev],
				     CS4231_HW_DETECT,
				     0,
				     &chip)) < 0)
		goto _err;

	if ((err = snd_cs4236_pcm(chip, 0, &pcm)) < 0)
		goto _err;

	if ((err = snd_cs4236_mixer(chip)) < 0)
		goto _err;
#endif
	strcpy(card->driver, pcm->name);
	strcpy(card->shortname, pcm->name);
	sprintf(card->longname, "%s at 0x%lx, irq %i, dma %i",
		pcm->name,
		chip->port,
		irq[dev],
		dma1[dev]);
	if (dma2[dev] >= 0)
		sprintf(card->longname + strlen(card->longname), "&%d", dma2[dev]);

	if ((err = snd_cs4231_timer(chip, 0, NULL)) < 0)
		goto _err;

	if (fm_port[dev] > 0 && fm_port[dev] != SNDRV_AUTO_PORT) {
		if (snd_opl3_create(card,
				    fm_port[dev], fm_port[dev] + 2,
				    OPL3_HW_OPL3_CS, 0, &opl3) < 0) {
			printk(KERN_WARNING IDENT ": OPL3 not detected\n");
		} else {
			if ((err = snd_opl3_hwdep_new(opl3, 0, 1, NULL)) < 0)
				goto _err;
		}
	}

	if (mpu_port[dev] > 0 && mpu_port[dev] != SNDRV_AUTO_PORT) {
		if (mpu_irq[dev] == SNDRV_AUTO_IRQ)
			mpu_irq[dev] = -1;
		if (snd_mpu401_uart_new(card, 0, MPU401_HW_CS4232,
					mpu_port[dev], 0,
					mpu_irq[dev],
					mpu_irq[dev] >= 0 ? SA_INTERRUPT : 0, NULL) < 0)
			printk(KERN_WARNING IDENT ": MPU401 not detected\n");
	}

	if ((err = snd_card_set_generic_dev(card)) < 0)
		goto _err;

	if ((err = snd_card_register(card)) < 0)
		goto _err;
	if (pcard)
		pnp_set_card_drvdata(pcard, card);
	else
		snd_cs4236_legacy[dev] = card;
	return 0;

 _err:
	snd_card_free(card);
	return err;
}

#ifdef CONFIG_PNP
static int __devinit snd_cs423x_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_card_cs423x_probe(dev, card, id);
		if (res < 0)
			return res;
		dev++;
		return 0;
	}
	return -ENODEV;
}

static void __devexit snd_cs423x_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 cs423x_pnpc_driver = {
	.flags = PNP_DRIVER_RES_DISABLE,
	.name = "cs423x",
	.id_table = snd_cs423x_pnpids,
	.probe = snd_cs423x_pnp_detect,
	.remove = __devexit_p(snd_cs423x_pnp_remove),
};
#endif /* CONFIG_PNP */

static int __init alsa_card_cs423x_init(void)
{
	int dev, cards = 0;

	for (dev = 0; dev < SNDRV_CARDS; dev++) {
		if (!enable[dev])
			continue;
		if (is_isapnp_selected(dev))
			continue;
		if (snd_card_cs423x_probe(dev, NULL, NULL) >= 0)
			cards++;
	}
#ifdef CONFIG_PNP
	cards += pnp_register_card_driver(&cs423x_pnpc_driver);
#endif
	if (!cards) {
#ifdef CONFIG_PNP
		pnp_unregister_card_driver(&cs423x_pnpc_driver);
#endif
#ifdef MODULE
		printk(KERN_ERR IDENT " soundcard not found or device busy\n");
#endif
		return -ENODEV;
	}
	return 0;
}

static void __exit alsa_card_cs423x_exit(void)
{
	int idx;

#ifdef CONFIG_PNP
	/* PnP cards first */
	pnp_unregister_card_driver(&cs423x_pnpc_driver);
#endif
	for (idx = 0; idx < SNDRV_CARDS; idx++)
		snd_card_free(snd_cs4236_legacy[idx]);
}

module_init(alsa_card_cs423x_init)
module_exit(alsa_card_cs423x_exit)