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Commit acdcbc15 authored by Takashi Iwai's avatar Takashi Iwai Committed by Jaroslav Kysela
Browse files

[ALSA] cmi8330 - Use platform_device, add PM support 



Modules: CMI8330 driver

Rewrite the probe/remove with platform_device.
Also, add the PM support.

Signed-off-by: default avatarTakashi Iwai <tiwai@suse.de>
parent 175cdcfb

sound/isa/cmi8330.c

+163 −78
Original line number Diff line number Diff line
@@ -45,6 +45,8 @@ 


#include <sound/driver.h>

#include <linux/init.h>

#include <linux/err.h>

#include <linux/platform_device.h>

#include <linux/slab.h>

#include <linux/pnp.h>

#include <linux/moduleparam.h>
@@ -156,8 +158,6 @@ struct snd_cmi8330 { 
	} streams[2];

};



static struct snd_card *snd_cmi8330_legacy[SNDRV_CARDS] = SNDRV_DEFAULT_PTR;



#ifdef CONFIG_PNP



static struct pnp_card_device_id snd_cmi8330_pnpids[] = {
@@ -429,6 +429,31 @@ static int __devinit snd_cmi8330_pcm(struct snd_card *card, struct snd_cmi8330 * 
}





#ifdef CONFIG_PM

static int snd_cmi8330_suspend(struct snd_card *card)

{

	struct snd_cmi8330 *acard = card->private_data;



	snd_power_change_state(card, SNDRV_CTL_POWER_D3hot);

	snd_pcm_suspend_all(acard->pcm);

	acard->wss->suspend(acard->wss);

	snd_sbmixer_suspend(acard->sb);

	return 0;

}



static int snd_cmi8330_resume(struct snd_card *card)

{

	struct snd_cmi8330 *acard = card->private_data;



	snd_sbdsp_reset(acard->sb);

	snd_sbmixer_suspend(acard->sb);

	acard->wss->resume(acard->wss);

	snd_power_change_state(card, SNDRV_CTL_POWER_D0);

	return 0;

}

#endif





/*

 */
@@ -440,44 +465,28 @@ static int __devinit snd_cmi8330_pcm(struct snd_card *card, struct snd_cmi8330 * 


#define PFX	"cmi8330: "



static int __devinit snd_cmi8330_probe(int dev,

				       struct pnp_card_link *pcard,

				       const struct pnp_card_device_id *pid)

static struct snd_card *snd_cmi8330_card_new(int dev)

{

	struct snd_card *card;

	struct snd_cmi8330 *acard;

	int i, err;



	if (! is_isapnp_selected(dev)) {

		if (wssport[dev] == SNDRV_AUTO_PORT) {

			snd_printk(KERN_ERR PFX "specify wssport\n");

			return -EINVAL;

		}

		if (sbport[dev] == SNDRV_AUTO_PORT) {

			snd_printk(KERN_ERR PFX "specify sbport\n");

			return -EINVAL;

		}

	}



	card = snd_card_new(index[dev], id[dev], THIS_MODULE,

			    sizeof(struct snd_cmi8330));

	if (card == NULL) {

		snd_printk(KERN_ERR PFX "could not get a new card\n");

		return -ENOMEM;

		return NULL;

	}

	acard = (struct snd_cmi8330 *)card->private_data;

	acard = card->private_data;

	acard->card = card;



#ifdef CONFIG_PNP

	if (isapnp[dev]) {

		if ((err = snd_cmi8330_pnp(dev, acard, pcard, pid)) < 0) {

			snd_printk(KERN_ERR PFX "PnP detection failed\n");

			goto _err;

	return card;

}

		snd_card_set_dev(card, &pcard->card->dev);

	}

#endif



static int __devinit snd_cmi8330_probe(struct snd_card *card, int dev)

{

	struct snd_cmi8330 *acard;

	int i, err;



	acard = card->private_data;

	if ((err = snd_ad1848_create(card,

				     wssport[dev] + 4,

				     wssirq[dev],
@@ -485,12 +494,11 @@ static int __devinit snd_cmi8330_probe(int dev, 
				     AD1848_HW_DETECT,

				     &acard->wss)) < 0) {

		snd_printk(KERN_ERR PFX "(AD1848) device busy??\n");

		goto _err;

		return err;

	}

	if (acard->wss->hardware != AD1848_HW_CMI8330) {

		snd_printk(KERN_ERR PFX "(AD1848) not found during probe\n");

		err = -ENODEV;

		goto _err;

		return -ENODEV;

	}



	if ((err = snd_sbdsp_create(card, sbport[dev],
@@ -500,11 +508,11 @@ static int __devinit snd_cmi8330_probe(int dev, 
				    sbdma16[dev],

				    SB_HW_AUTO, &acard->sb)) < 0) {

		snd_printk(KERN_ERR PFX "(SB16) device busy??\n");

		goto _err;

		return err;

	}

	if (acard->sb->hardware != SB_HW_16) {

		snd_printk(KERN_ERR PFX "(SB16) not found during probe\n");

		goto _err;

		return err;

	}



	snd_ad1848_out(acard->wss, AD1848_MISC_INFO, 0x40); /* switch on MODE2 */
@@ -513,12 +521,12 @@ static int __devinit snd_cmi8330_probe(int dev, 


	if ((err = snd_cmi8330_mixer(card, acard)) < 0) {

		snd_printk(KERN_ERR PFX "failed to create mixers\n");

		goto _err;

		return err;

	}



	if ((err = snd_cmi8330_pcm(card, acard)) < 0) {

		snd_printk(KERN_ERR PFX "failed to create pcms\n");

		goto _err;

		return err;

	}



	strcpy(card->driver, "CMI8330/C3D");
@@ -529,79 +537,162 @@ static int __devinit snd_cmi8330_probe(int dev, 
		wssirq[dev],

		wssdma[dev]);



	if ((err = snd_card_set_generic_dev(card)) < 0)

		goto _err;

	return snd_card_register(card);

}



	if ((err = snd_card_register(card)) < 0)

		goto _err;

static int __init snd_cmi8330_nonpnp_probe(struct platform_device *pdev)

{

	struct snd_card *card;

	int err;

	int dev = pdev->id;



	if (pcard)

		pnp_set_card_drvdata(pcard, card);

	else

		snd_cmi8330_legacy[dev] = card;

	return 0;

	if (wssport[dev] == SNDRV_AUTO_PORT) {

		snd_printk(KERN_ERR PFX "specify wssport\n");

		return -EINVAL;

	}

	if (sbport[dev] == SNDRV_AUTO_PORT) {

		snd_printk(KERN_ERR PFX "specify sbport\n");

		return -EINVAL;

	}



 _err:

	card = snd_cmi8330_card_new(dev);

	if (! card)

		return -ENOMEM;

	snd_card_set_dev(card, &pdev->dev);

	if ((err = snd_cmi8330_probe(card, dev)) < 0) {

		snd_card_free(card);

		return err;

	}

	platform_set_drvdata(pdev, card);

	return 0;

}



static int snd_cmi8330_nonpnp_remove(struct platform_device *devptr)

{

	snd_card_free(platform_get_drvdata(devptr));

	platform_set_drvdata(devptr, NULL);

	return 0;

}



#ifdef CONFIG_PM

static int snd_cmi8330_nonpnp_suspend(struct platform_device *dev, pm_message_t state)

{

	return snd_cmi8330_suspend(platform_get_drvdata(dev));

}



static int snd_cmi8330_nonpnp_resume(struct platform_device *dev)

{

	return snd_cmi8330_resume(platform_get_drvdata(dev));

}

#endif



#define CMI8330_DRIVER	"snd_cmi8330"



static struct platform_driver snd_cmi8330_driver = {

	.probe		= snd_cmi8330_nonpnp_probe,

	.remove		= snd_cmi8330_nonpnp_remove,

#ifdef CONFIG_PM

	.suspend	= snd_cmi8330_nonpnp_suspend,

	.resume		= snd_cmi8330_nonpnp_resume,

#endif

	.driver		= {

		.name	= CMI8330_DRIVER

	},

};





#ifdef CONFIG_PNP

static int __devinit snd_cmi8330_pnp_detect(struct pnp_card_link *card,

					    const struct pnp_card_device_id *id)

static int __devinit snd_cmi8330_pnp_detect(struct pnp_card_link *pcard,

					    const struct pnp_card_device_id *pid)

{

	static int dev;

	struct snd_card *card;

	int res;



	for ( ; dev < SNDRV_CARDS; dev++) {

		if (!enable[dev] || !isapnp[dev])

			continue;

		res = snd_cmi8330_probe(dev, card, id);

		if (res < 0)

		if (enable[dev] && isapnp[dev])

			break;

	}

	if (dev >= SNDRV_CARDS)

		return -ENODEV;

			       

	card = snd_cmi8330_card_new(dev);

	if (! card)

		return -ENOMEM;

	if ((res = snd_cmi8330_pnp(dev, card->private_data, pcard, pid)) < 0) {

		snd_printk(KERN_ERR PFX "PnP detection failed\n");

		snd_card_free(card);

		return res;

	}

	snd_card_set_dev(card, &pcard->card->dev);

	if ((res = snd_cmi8330_probe(card, dev)) < 0) {

		snd_card_free(card);

		return res;

	}

	pnp_set_card_drvdata(pcard, card);

	dev++;

	return 0;

}

	return -ENODEV;

}



static void __devexit snd_cmi8330_pnp_remove(struct pnp_card_link * pcard)

{

	struct snd_card *card = (struct snd_card *) pnp_get_card_drvdata(pcard);

	snd_card_free(pnp_get_card_drvdata(pcard));

	pnp_set_card_drvdata(pcard, NULL);

}



	snd_card_disconnect(card);

	snd_card_free_in_thread(card);

#ifdef CONFIG_PM

static int snd_cmi8330_pnp_suspend(struct pnp_card_link *pcard, pm_message_t state)

{

	return snd_cmi8330_suspend(pnp_get_card_drvdata(pcard));

}



static int snd_cmi8330_pnp_resume(struct pnp_card_link *pcard)

{

	return snd_cmi8330_resume(pnp_get_card_drvdata(pcard));

}

#endif



static struct pnp_card_driver cmi8330_pnpc_driver = {

	.flags = PNP_DRIVER_RES_DISABLE,

	.name = "cmi8330",

	.id_table = snd_cmi8330_pnpids,

	.probe = snd_cmi8330_pnp_detect,

	.remove = __devexit_p(snd_cmi8330_pnp_remove),

#ifdef CONFIG_PM

	.suspend	= snd_cmi8330_pnp_suspend,

	.resume		= snd_cmi8330_pnp_resume,

#endif

};

#endif /* CONFIG_PNP */



static int __init alsa_card_cmi8330_init(void)

{

	int dev, cards = 0;

	int i, err, cards = 0;



	for (dev = 0; dev < SNDRV_CARDS; dev++) {

		if (!enable[dev])

			continue;

		if (is_isapnp_selected(dev))

	if ((err = platform_driver_register(&snd_cmi8330_driver)) < 0)

		return err;



	for (i = 0; i < SNDRV_CARDS && enable[i]; i++) {

		struct platform_device *device;

		if (is_isapnp_selected(i))

			continue;

		if (snd_cmi8330_probe(dev, NULL, NULL) >= 0)

		device = platform_device_register_simple(CMI8330_DRIVER,

							 i, NULL, 0);

		if (IS_ERR(device)) {

			err = PTR_ERR(device);

			platform_driver_unregister(&snd_cmi8330_driver);

			return err;

		}

		cards++;

	}

#ifdef CONFIG_PNP

	cards += pnp_register_card_driver(&cmi8330_pnpc_driver);

#endif



	err = pnp_register_card_driver(&cmi8330_pnpc_driver);

	if (err > 0)

		cards += err;



	if (!cards) {

#ifdef CONFIG_PNP

		pnp_unregister_card_driver(&cmi8330_pnpc_driver);

#endif

		platform_driver_unregister(&snd_cmi8330_driver);

#ifdef MODULE

		snd_printk(KERN_ERR "CMI8330 not found or device busy\n");

#endif
@@ -612,14 +703,8 @@ static int __init alsa_card_cmi8330_init(void) 


static void __exit alsa_card_cmi8330_exit(void)

{

	int i;



#ifdef CONFIG_PNP

	/* PnP cards first */

	pnp_unregister_card_driver(&cmi8330_pnpc_driver);

#endif

	for (i = 0; i < SNDRV_CARDS; i++)

		snd_card_free(snd_cmi8330_legacy[i]);

	platform_driver_unregister(&snd_cmi8330_driver);

}



module_init(alsa_card_cmi8330_init)