opti92x-ad1848.c

linux2.6.16版本

	int err;
	unsigned int idx;

	snd_assert(chip != NULL && chip->card != NULL, return -EINVAL);

	card = chip->card;

	strcpy(card->mixername, snd_opti93x_chip_id(chip));

	for (idx = 0; idx < ARRAY_SIZE(snd_opti93x_controls); idx++) {
		knew = snd_opti93x_controls[idx];
		if (chip->hardware == OPTi9XX_HW_82C930) {
			if (strstr(knew.name, "FM"))	/* skip FM controls */
				continue;
			else if (strcmp(knew.name, "Mic Playback Volume"))
				OPTi93X_DOUBLE_INVERT_INVERT(knew);
			else if (strstr(knew.name, "Aux"))
				OPTi93X_DOUBLE_CHANGE_REGS(knew, OPTi930_AUX_LEFT_INPUT, OPTi930_AUX_RIGHT_INPUT);
			else if (strcmp(knew.name, "PCM Playback Volume"))
				OPTi93X_DOUBLE_INVERT_INVERT(knew);
			else if (strcmp(knew.name, "Master Playback Volume"))
				OPTi93X_DOUBLE_INVERT_INVERT(knew);
		}
		if ((err = snd_ctl_add(card, snd_ctl_new1(&snd_opti93x_controls[idx], chip))) < 0)
			return err;
	}
	return 0;
}

#endif /* OPTi93X */

static int __init snd_card_opti9xx_detect(struct snd_card *card, struct snd_opti9xx *chip)
{
	int i, err;

#ifndef OPTi93X
	for (i = OPTi9XX_HW_82C928; i < OPTi9XX_HW_82C930; i++) {
		unsigned char value;

		if ((err = snd_opti9xx_init(chip, i)) < 0)
			return err;

		if ((chip->res_mc_base = request_region(chip->mc_base, chip->mc_base_size, "OPTi9xx MC")) == NULL)
			continue;

		value = snd_opti9xx_read(chip, OPTi9XX_MC_REG(1));
		if ((value != 0xff) && (value != inb(chip->mc_base + 1)))
			if (value == snd_opti9xx_read(chip, OPTi9XX_MC_REG(1)))
				return 1;

		release_and_free_resource(chip->res_mc_base);
		chip->res_mc_base = NULL;

	}
#else	/* OPTi93X */
	for (i = OPTi9XX_HW_82C931; i >= OPTi9XX_HW_82C930; i--) {
		unsigned long flags;
		unsigned char value;

		if ((err = snd_opti9xx_init(chip, i)) < 0)
			return err;

		if ((chip->res_mc_base = request_region(chip->mc_base, chip->mc_base_size, "OPTi9xx MC")) == NULL)
			continue;

		spin_lock_irqsave(&chip->lock, flags);
		outb(chip->password, chip->mc_base + chip->pwd_reg);
		outb(((chip->mc_indir_index & (1 << 8)) >> 4) |
			((chip->mc_indir_index & 0xf0) >> 4), chip->mc_base);
		spin_unlock_irqrestore(&chip->lock, flags);

		value = snd_opti9xx_read(chip, OPTi9XX_MC_REG(7));
		snd_opti9xx_write(chip, OPTi9XX_MC_REG(7), 0xff - value);
		if (snd_opti9xx_read(chip, OPTi9XX_MC_REG(7)) == 0xff - value)
			return 1;

		release_and_free_resource(chip->res_mc_base);
		chip->res_mc_base = NULL;
	}
#endif	/* OPTi93X */

	return -ENODEV;
}

#ifdef CONFIG_PNP
static int __init snd_card_opti9xx_pnp(struct snd_opti9xx *chip, struct pnp_card_link *card,
				       const struct pnp_card_device_id *pid)
{
	struct pnp_dev *pdev;
	struct pnp_resource_table *cfg = kmalloc(sizeof(*cfg), GFP_KERNEL);
	int err;

	chip->dev = pnp_request_card_device(card, pid->devs[0].id, NULL);
	if (chip->dev == NULL) {
		kfree(cfg);
		return -EBUSY;
	}
	chip->devmpu = pnp_request_card_device(card, pid->devs[1].id, NULL);

	pdev = chip->dev;
	pnp_init_resource_table(cfg);

#ifdef OPTi93X
	if (port != SNDRV_AUTO_PORT)
		pnp_resource_change(&cfg->port_resource[0], port + 4, 4);
#else
	if (pid->driver_data != 0x0924 && port != SNDRV_AUTO_PORT)
		pnp_resource_change(&cfg->port_resource[1], port, 4);
#endif	/* OPTi93X */
	if (irq != SNDRV_AUTO_IRQ)
		pnp_resource_change(&cfg->irq_resource[0], irq, 1);
	if (dma1 != SNDRV_AUTO_DMA)
		pnp_resource_change(&cfg->dma_resource[0], dma1, 1);
#if defined(CS4231) || defined(OPTi93X)
	if (dma2 != SNDRV_AUTO_DMA)
		pnp_resource_change(&cfg->dma_resource[1], dma2, 1);
#else
#ifdef snd_opti9xx_fixup_dma2
	snd_opti9xx_fixup_dma2(pdev);
#endif
#endif	/* CS4231 || OPTi93X */
#ifdef OPTi93X
	if (fm_port > 0 && fm_port != SNDRV_AUTO_PORT)
		pnp_resource_change(&cfg->port_resource[1], fm_port, 4);
#else
	if (fm_port > 0 && fm_port != SNDRV_AUTO_PORT)
		pnp_resource_change(&cfg->port_resource[2], fm_port, 4);
#endif
	if (pnp_manual_config_dev(pdev, cfg, 0) < 0)
		snd_printk(KERN_ERR "AUDIO the requested resources are invalid, using auto config\n");
	err = pnp_activate_dev(pdev);
	if (err < 0) {
		snd_printk(KERN_ERR "AUDIO pnp configure failure: %d\n", err);
		kfree(cfg);
		return err;
	}

#ifdef OPTi93X
	port = pnp_port_start(pdev, 0) - 4;
	fm_port = pnp_port_start(pdev, 1);
#else
	if (pid->driver_data != 0x0924)
		port = pnp_port_start(pdev, 1);
	fm_port = pnp_port_start(pdev, 2);
#endif	/* OPTi93X */
	irq = pnp_irq(pdev, 0);
	dma1 = pnp_dma(pdev, 0);
#if defined(CS4231) || defined(OPTi93X)
	dma2 = pnp_dma(pdev, 1);
#endif	/* CS4231 || OPTi93X */

	pdev = chip->devmpu;
	if (pdev && mpu_port > 0) {
		pnp_init_resource_table(cfg);

		if (mpu_port != SNDRV_AUTO_PORT)
			pnp_resource_change(&cfg->port_resource[0], mpu_port, 2);
		if (mpu_irq != SNDRV_AUTO_IRQ)
			pnp_resource_change(&cfg->irq_resource[0], mpu_irq, 1);

		if (pnp_manual_config_dev(pdev, cfg, 0) < 0)
			snd_printk(KERN_ERR "AUDIO the requested resources are invalid, using auto config\n");
		err = pnp_activate_dev(pdev);
		if (err < 0) {
			snd_printk(KERN_ERR "AUDIO pnp configure failure\n");
			mpu_port = -1;
			chip->devmpu = NULL;
		} else {
			mpu_port = pnp_port_start(pdev, 0);
			mpu_irq = pnp_irq(pdev, 0);
		}
	}
	kfree(cfg);
	return pid->driver_data;
}
#endif	/* CONFIG_PNP */

static void snd_card_opti9xx_free(struct snd_card *card)
{
	struct snd_opti9xx *chip = card->private_data;
        
	if (chip)
		release_and_free_resource(chip->res_mc_base);
}

static int __init snd_opti9xx_probe(struct snd_card *card)
{
	static long possible_ports[] = {0x530, 0xe80, 0xf40, 0x604, -1};
	int error;
	struct snd_opti9xx *chip = card->private_data;
#if defined(OPTi93X)
	struct snd_opti93x *codec;
#elif defined(CS4231)
	struct snd_cs4231 *codec;
	struct snd_timer *timer;
#else
	struct snd_ad1848 *codec;
#endif
	struct snd_pcm *pcm;
	struct snd_rawmidi *rmidi;
	struct snd_hwdep *synth;

	if (! chip->res_mc_base &&
	    (chip->res_mc_base = request_region(chip->mc_base, chip->mc_base_size,
						"OPTi9xx MC")) == NULL)
		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_printk("unable to find a free WSS port\n");
			return -EBUSY;
		}
	}
	if ((error = snd_opti9xx_configure(chip)))
		return error;

#if defined(OPTi93X)
	if ((error = snd_opti93x_create(card, chip, chip->dma1, chip->dma2, &codec)))
		return error;
	if ((error = snd_opti93x_pcm(codec, 0, &pcm)) < 0)
		return error;
	if ((error = snd_opti93x_mixer(codec)) < 0)
		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)
		return error;
	if ((error = snd_cs4231_pcm(codec, 0, &pcm)) < 0)
		return error;
	if ((error = snd_cs4231_mixer(codec)) < 0)
		return error;
	if ((error = snd_cs4231_timer(codec, 0, &timer)) < 0)
		return error;
#else
	if ((error = snd_ad1848_create(card, chip->wss_base + 4,
				       chip->irq, chip->dma1,
				       AD1848_HW_DETECT, &codec)) < 0)
		return error;
	if ((error = snd_ad1848_pcm(codec, 0, &pcm)) < 0)
		return error;
	if ((error = snd_ad1848_mixer(codec)) < 0)
		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(KERN_WARNING "no MPU-401 device at 0x%lx?\n",
				   chip->mpu_port);

	if (chip->fm_port > 0 && chip->fm_port != SNDRV_AUTO_PORT) {
		struct snd_opl3 *opl3 = NULL;
#ifndef OPTi93X
		if (chip->hardware == OPTi9XX_HW_82C928 ||
		    chip->hardware == OPTi9XX_HW_82C929 ||
		    chip->hardware == OPTi9XX_HW_82C924) {
			struct snd_opl4 *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(KERN_WARNING "no OPL device at 0x%lx-0x%lx\n",
				   chip->fm_port, chip->fm_port + 4 - 1);
		}
		if (opl3) {
#ifdef CS4231
			const int t1dev = 1;
#else
			const int t1dev = 0;
#endif
			if ((error = snd_opl3_timer_new(opl3, t1dev, t1dev+1)) < 0)
				return error;
			if ((error = snd_opl3_hwdep_new(opl3, 0, 1, &synth)) < 0)
				return error;
		}
	}

	return snd_card_register(card);
}

static struct snd_card *snd_opti9xx_card_new(void)
{
	struct snd_card *card;

	card = snd_card_new(index, id, THIS_MODULE, sizeof(struct snd_opti9xx));
	if (! card)
		return NULL;
	card->private_free = snd_card_opti9xx_free;
	return card;
}

static int __init snd_opti9xx_nonpnp_probe(struct platform_device *devptr)
{
	struct snd_card *card;
	int error;
	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 */

	if (snd_opti9xx_pnp_is_probed)
		return -EBUSY;

	if (mpu_port == SNDRV_AUTO_PORT) {
		if ((mpu_port = snd_legacy_find_free_ioport(possible_mpu_ports, 2)) < 0) {
			snd_printk(KERN_ERR "unable to find a free MPU401 port\n");
			return -EBUSY;
		}
	}
	if (irq == SNDRV_AUTO_IRQ) {
		if ((irq = snd_legacy_find_free_irq(possible_irqs)) < 0) {
			snd_printk(KERN_ERR "unable to find a free IRQ\n");
			return -EBUSY;
		}
	}
	if (mpu_irq == SNDRV_AUTO_IRQ) {
		if ((mpu_irq = snd_legacy_find_free_irq(possible_mpu_irqs)) < 0) {
			snd_printk(KERN_ERR "unable to find a free MPU401 IRQ\n");
			return -EBUSY;
		}
	}
	if (dma1 == SNDRV_AUTO_DMA) {
		if ((dma1 = snd_legacy_find_free_dma(possible_dma1s)) < 0) {
			snd_printk(KERN_ERR "unable to find a free DMA1\n");
			return -EBUSY;
		}
	}
#if defined(CS4231) || defined(OPTi93X)
	if (dma2 == SNDRV_AUTO_DMA) {
		if ((dma2 = snd_legacy_find_free_dma(possible_dma2s[dma1 % 4])) < 0) {
			snd_printk("unable to find a free DMA2\n");
			return -EBUSY;
		}
	}
#endif

	card = snd_opti9xx_card_new();
	if (! card)
		return -ENOMEM;

	if ((error = snd_card_opti9xx_detect(card, card->private_data)) < 0) {
		snd_card_free(card);
		return error;
	}
	snd_card_set_dev(card, &devptr->dev);
	if ((error = snd_opti9xx_probe(card)) < 0) {
		snd_card_free(card);
		return error;
	}
	platform_set_drvdata(devptr, card);
	return 0;
}

static int __devexit snd_opti9xx_nonpnp_remove(struct platform_device *devptr)
{
	snd_card_free(platform_get_drvdata(devptr));
	platform_set_drvdata(devptr, NULL);
	return 0;
}

static struct platform_driver snd_opti9xx_driver = {
	.probe		= snd_opti9xx_nonpnp_probe,
	.remove		= __devexit_p(snd_opti9xx_nonpnp_remove),
	/* FIXME: suspend/resume */
	.driver		= {
		.name	= DRIVER_NAME
	},
};

#ifdef CONFIG_PNP
static int __init snd_opti9xx_pnp_probe(struct pnp_card_link *pcard,
					const struct pnp_card_device_id *pid)
{
	struct snd_card *card;
	int error, hw;
	struct snd_opti9xx *chip;

	if (snd_opti9xx_pnp_is_probed)
		return -EBUSY;
	if (! isapnp)
		return -ENODEV;
	card = snd_opti9xx_card_new();
	if (! card)
		return -ENOMEM;
	chip = card->private_data;

	hw = snd_card_opti9xx_pnp(chip, pcard, pid);
	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);
	if ((error = snd_opti9xx_probe(card)) < 0) {
		snd_card_free(card);
		return error;
	}
	pnp_set_card_drvdata(pcard, card);
	snd_opti9xx_pnp_is_probed = 1;
	return 0;
}

static void __devexit snd_opti9xx_pnp_remove(struct pnp_card_link * pcard)
{
	snd_card_free(pnp_get_card_drvdata(pcard));
	pnp_set_card_drvdata(pcard, NULL);
	snd_opti9xx_pnp_is_probed = 0;
}

static struct pnp_card_driver opti9xx_pnpc_driver = {
	.flags		= PNP_DRIVER_RES_DISABLE,
	.name		= "opti9xx",
	.id_table	= snd_opti9xx_pnpids,
	.probe		= snd_opti9xx_pnp_probe,
	.remove		= __devexit_p(snd_opti9xx_pnp_remove),
};
#endif

#ifdef CONFIG_PNP
#define is_isapnp_selected()	isapnp
#else
#define is_isapnp_selected()	0
#endif
#ifdef OPTi93X
#define CHIP_NAME	"82C93x"
#else
#define CHIP_NAME	"82C92x"
#endif

static int __init alsa_card_opti9xx_init(void)
{
	int error;
	struct platform_device *device;

	pnp_register_card_driver(&opti9xx_pnpc_driver);
	if (snd_opti9xx_pnp_is_probed)
		return 0;
	if (! is_isapnp_selected()) {
		error = platform_driver_register(&snd_opti9xx_driver);
		if (error < 0)
			return error;
		device = platform_device_register_simple(DRIVER_NAME, -1, NULL, 0);
		if (!IS_ERR(device)) {
			snd_opti9xx_platform_device = device;
			return 0;
		}
		platform_driver_unregister(&snd_opti9xx_driver);
	}
	pnp_unregister_card_driver(&opti9xx_pnpc_driver);
#ifdef MODULE
	printk(KERN_ERR "no OPTi " CHIP_NAME " soundcard found\n");
#endif
	return -ENODEV;
}

static void __exit alsa_card_opti9xx_exit(void)
{
	if (!snd_opti9xx_pnp_is_probed) {
		platform_device_unregister(snd_opti9xx_platform_device);
		platform_driver_unregister(&snd_opti9xx_driver);
	}
	pnp_unregister_card_driver(&opti9xx_pnpc_driver);
}

module_init(alsa_card_opti9xx_init)
module_exit(alsa_card_opti9xx_exit)