sound/isa/sb/es968.c - kernel/prism - Git at Google


 /*
     card-es968.c - driver for ESS AudioDrive ES968 based soundcards.
     Copyright (C) 1999 by Massimo Piccioni <dafastidio@libero.it>

     Thanks to Pierfrancesco 'qM2' Passerini.

     This program is free software; you can redistribute it and/or modify
     it under the terms of the GNU General Public License as published by
     the Free Software Foundation; either version 2 of the License, or
     (at your option) any later version.

     This program is distributed in the hope that it will be useful,
     but WITHOUT ANY WARRANTY; without even the implied warranty of
     MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
     GNU General Public License for more details.

     You should have received a copy of the GNU General Public License
     along with this program; if not, write to the Free Software
     Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307 USA
 */

 #include <linux/init.h>
 #include <linux/time.h>
 #include <linux/pnp.h>
 #include <linux/moduleparam.h>
 #include <sound/core.h>
 #include <sound/initval.h>
 #include <sound/sb.h>

 #define PFX "es968: "

 MODULE_AUTHOR("Massimo Piccioni <dafastidio@libero.it>");
 MODULE_DESCRIPTION("ESS AudioDrive ES968");
 MODULE_LICENSE("GPL");
 MODULE_SUPPORTED_DEVICE("{{ESS,AudioDrive ES968}}");

 static int index[SNDRV_CARDS] = SNDRV_DEFAULT_IDX;	/* Index 0-MAX */
 static char *id[SNDRV_CARDS] = SNDRV_DEFAULT_STR;	/* ID for this card */
 static int enable[SNDRV_CARDS] = SNDRV_DEFAULT_ENABLE_ISAPNP; /* Enable this card */
 static long port[SNDRV_CARDS] = SNDRV_DEFAULT_PORT;	/* PnP setup */
 static int irq[SNDRV_CARDS] = SNDRV_DEFAULT_IRQ;	/* Pnp setup */
 static int dma8[SNDRV_CARDS] = SNDRV_DEFAULT_DMA;	/* PnP setup */

 module_param_array(index, int, NULL, 0444);
 MODULE_PARM_DESC(index, "Index value for es968 based soundcard.");
 module_param_array(id, charp, NULL, 0444);
 MODULE_PARM_DESC(id, "ID string for es968 based soundcard.");
 module_param_array(enable, bool, NULL, 0444);
 MODULE_PARM_DESC(enable, "Enable es968 based soundcard.");

 struct snd_card_es968 {
 	struct pnp_dev *dev;
 	struct snd_sb *chip;
 };

 static struct pnp_card_device_id snd_es968_pnpids[] = {
 	{ .id = "ESS0968", .devs = { { "@@@0968" }, } },
 	{ .id = "", } /* end */
 };

 MODULE_DEVICE_TABLE(pnp_card, snd_es968_pnpids);

 #define	DRIVER_NAME	"snd-card-es968"

 static irqreturn_t snd_card_es968_interrupt(int irq, void *dev_id)
 {
 	struct snd_sb *chip = dev_id;

 	if (chip->open & SB_OPEN_PCM) {
 		return snd_sb8dsp_interrupt(chip);
 	} else {
 		return snd_sb8dsp_midi_interrupt(chip);
 	}
 }

 static int __devinit snd_card_es968_pnp(int dev, struct snd_card_es968 *acard,
 					struct pnp_card_link *card,
 					const struct pnp_card_device_id *id)
 {
 	struct pnp_dev *pdev;
 	int err;

 	acard->dev = pnp_request_card_device(card, id->devs[0].id, NULL);
 	if (acard->dev == NULL)
 		return -ENODEV;

 	pdev = acard->dev;

 	err = pnp_activate_dev(pdev);
 	if (err < 0) {
 		snd_printk(KERN_ERR PFX "AUDIO pnp configure failure\n");
 		return err;
 	}
 	port[dev] = pnp_port_start(pdev, 0);
 	dma8[dev] = pnp_dma(pdev, 1);
 	irq[dev] = pnp_irq(pdev, 0);

 	return 0;
 }

 static int __devinit snd_card_es968_probe(int dev,
 					struct pnp_card_link *pcard,
 					const struct pnp_card_device_id *pid)
 {
 	int error;
 	struct snd_sb *chip;
 	struct snd_card *card;
 	struct snd_card_es968 *acard;

 	error = snd_card_create(index[dev], id[dev], THIS_MODULE,
 				sizeof(struct snd_card_es968), &card);
 	if (error < 0)
 		return error;
 	acard = card->private_data;
 	if ((error = snd_card_es968_pnp(dev, acard, pcard, pid))) {
 		snd_card_free(card);
 		return error;
 	}
 	snd_card_set_dev(card, &pcard->card->dev);

 	if ((error = snd_sbdsp_create(card, port[dev],
 				      irq[dev],
 				      snd_card_es968_interrupt,
 				      dma8[dev],
 				      -1,
 				      SB_HW_AUTO, &chip)) < 0) {
 		snd_card_free(card);
 		return error;
 	}
 	acard->chip = chip;

 	if ((error = snd_sb8dsp_pcm(chip, 0, NULL)) < 0) {
 		snd_card_free(card);
 		return error;
 	}

 	if ((error = snd_sbmixer_new(chip)) < 0) {
 		snd_card_free(card);
 		return error;
 	}

 	if ((error = snd_sb8dsp_midi(chip, 0, NULL)) < 0) {
 		snd_card_free(card);
 		return error;
 	}

 	strcpy(card->driver, "ES968");
 	strcpy(card->shortname, "ESS ES968");
 	sprintf(card->longname, "%s soundcard, %s at 0x%lx, irq %d, dma %d",
 		card->shortname, chip->name, chip->port, irq[dev], dma8[dev]);

 	if ((error = snd_card_register(card)) < 0) {
 		snd_card_free(card);
 		return error;
 	}
 	pnp_set_card_drvdata(pcard, card);
 	return 0;
 }

 static unsigned int __devinitdata es968_devices;

 static int __devinit snd_es968_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])
 			continue;
 		res = snd_card_es968_probe(dev, card, id);
 		if (res < 0)
 			return res;
 		dev++;
 		es968_devices++;
 		return 0;
 	}
 	return -ENODEV;
 }

 static void __devexit snd_es968_pnp_remove(struct pnp_card_link * pcard)
 {
 	snd_card_free(pnp_get_card_drvdata(pcard));
 	pnp_set_card_drvdata(pcard, NULL);
 }

 #ifdef CONFIG_PM
 static int snd_es968_pnp_suspend(struct pnp_card_link *pcard, pm_message_t state)
 {
 	struct snd_card *card = pnp_get_card_drvdata(pcard);
 	struct snd_card_es968 *acard = card->private_data;
 	struct snd_sb *chip = acard->chip;

 	snd_power_change_state(card, SNDRV_CTL_POWER_D3hot);
 	snd_pcm_suspend_all(chip->pcm);
 	snd_sbmixer_suspend(chip);
 	return 0;
 }

 static int snd_es968_pnp_resume(struct pnp_card_link *pcard)
 {
 	struct snd_card *card = pnp_get_card_drvdata(pcard);
 	struct snd_card_es968 *acard = card->private_data;
 	struct snd_sb *chip = acard->chip;

 	snd_sbdsp_reset(chip);
 	snd_sbmixer_resume(chip);
 	snd_power_change_state(card, SNDRV_CTL_POWER_D0);
 	return 0;
 }
 #endif

 static struct pnp_card_driver es968_pnpc_driver = {
 	.flags		= PNP_DRIVER_RES_DISABLE,
 	.name		= "es968",
 	.id_table	= snd_es968_pnpids,
 	.probe		= snd_es968_pnp_detect,
 	.remove		= __devexit_p(snd_es968_pnp_remove),
 #ifdef CONFIG_PM
 	.suspend	= snd_es968_pnp_suspend,
 	.resume		= snd_es968_pnp_resume,
 #endif
 };

 static int __init alsa_card_es968_init(void)
 {
 	int err = pnp_register_card_driver(&es968_pnpc_driver);
 	if (err)
 		return err;

 	if (!es968_devices) {
 		pnp_unregister_card_driver(&es968_pnpc_driver);
 #ifdef MODULE
 		snd_printk(KERN_ERR "no ES968 based soundcards found\n");
 #endif
 		return -ENODEV;
 	}
 	return 0;
 }

 static void __exit alsa_card_es968_exit(void)
 {
 	pnp_unregister_card_driver(&es968_pnpc_driver);
 }

 module_init(alsa_card_es968_init)
 module_exit(alsa_card_es968_exit)

	/*
	card-es968.c - driver for ESS AudioDrive ES968 based soundcards.
	Copyright (C) 1999 by Massimo Piccioni <dafastidio@libero.it>

	Thanks to Pierfrancesco 'qM2' Passerini.

	This program is free software; you can redistribute it and/or modify
	it under the terms of the GNU General Public License as published by
	the Free Software Foundation; either version 2 of the License, or
	(at your option) any later version.

	This program is distributed in the hope that it will be useful,
	but WITHOUT ANY WARRANTY; without even the implied warranty of
	MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
	GNU General Public License for more details.

	You should have received a copy of the GNU General Public License
	along with this program; if not, write to the Free Software
	Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
	*/

	#include <linux/init.h>
	#include <linux/time.h>
	#include <linux/pnp.h>
	#include <linux/moduleparam.h>
	#include <sound/core.h>
	#include <sound/initval.h>
	#include <sound/sb.h>

	#define PFX "es968: "

	MODULE_AUTHOR("Massimo Piccioni <dafastidio@libero.it>");
	MODULE_DESCRIPTION("ESS AudioDrive ES968");
	MODULE_LICENSE("GPL");
	MODULE_SUPPORTED_DEVICE("{{ESS,AudioDrive ES968}}");

	static int index[SNDRV_CARDS] = SNDRV_DEFAULT_IDX; /* Index 0-MAX */
	static char id[SNDRV_CARDS] = SNDRV_DEFAULT_STR; / ID for this card */
	static int enable[SNDRV_CARDS] = SNDRV_DEFAULT_ENABLE_ISAPNP; /* Enable this card */
	static long port[SNDRV_CARDS] = SNDRV_DEFAULT_PORT; /* PnP setup */
	static int irq[SNDRV_CARDS] = SNDRV_DEFAULT_IRQ; /* Pnp setup */
	static int dma8[SNDRV_CARDS] = SNDRV_DEFAULT_DMA; /* PnP setup */

	module_param_array(index, int, NULL, 0444);
	MODULE_PARM_DESC(index, "Index value for es968 based soundcard.");
	module_param_array(id, charp, NULL, 0444);
	MODULE_PARM_DESC(id, "ID string for es968 based soundcard.");
	module_param_array(enable, bool, NULL, 0444);
	MODULE_PARM_DESC(enable, "Enable es968 based soundcard.");

	struct snd_card_es968 {
	struct pnp_dev *dev;
	struct snd_sb *chip;
	};

	static struct pnp_card_device_id snd_es968_pnpids[] = {
	{ .id = "ESS0968", .devs = { { "@@@0968" }, } },
	{ .id = "", } /* end */
	};

	MODULE_DEVICE_TABLE(pnp_card, snd_es968_pnpids);

	#define DRIVER_NAME "snd-card-es968"

	static irqreturn_t snd_card_es968_interrupt(int irq, void *dev_id)
	{
	struct snd_sb *chip = dev_id;

	if (chip->open & SB_OPEN_PCM) {
	return snd_sb8dsp_interrupt(chip);
	} else {
	return snd_sb8dsp_midi_interrupt(chip);
	}
	}

	static int __devinit snd_card_es968_pnp(int dev, struct snd_card_es968 *acard,
	struct pnp_card_link *card,
	const struct pnp_card_device_id *id)
	{
	struct pnp_dev *pdev;
	int err;

	acard->dev = pnp_request_card_device(card, id->devs[0].id, NULL);
	if (acard->dev == NULL)
	return -ENODEV;

	pdev = acard->dev;

	err = pnp_activate_dev(pdev);
	if (err < 0) {
	snd_printk(KERN_ERR PFX "AUDIO pnp configure failure\n");
	return err;
	}
	port[dev] = pnp_port_start(pdev, 0);
	dma8[dev] = pnp_dma(pdev, 1);
	irq[dev] = pnp_irq(pdev, 0);

	return 0;
	}

	static int __devinit snd_card_es968_probe(int dev,
	struct pnp_card_link *pcard,
	const struct pnp_card_device_id *pid)
	{
	int error;
	struct snd_sb *chip;
	struct snd_card *card;
	struct snd_card_es968 *acard;

	error = snd_card_create(index[dev], id[dev], THIS_MODULE,
	sizeof(struct snd_card_es968), &card);
	if (error < 0)
	return error;
	acard = card->private_data;
	if ((error = snd_card_es968_pnp(dev, acard, pcard, pid))) {
	snd_card_free(card);
	return error;
	}
	snd_card_set_dev(card, &pcard->card->dev);

	if ((error = snd_sbdsp_create(card, port[dev],
	irq[dev],
	snd_card_es968_interrupt,
	dma8[dev],
	-1,
	SB_HW_AUTO, &chip)) < 0) {
	snd_card_free(card);
	return error;
	}
	acard->chip = chip;

	if ((error = snd_sb8dsp_pcm(chip, 0, NULL)) < 0) {
	snd_card_free(card);
	return error;
	}

	if ((error = snd_sbmixer_new(chip)) < 0) {
	snd_card_free(card);
	return error;
	}

	if ((error = snd_sb8dsp_midi(chip, 0, NULL)) < 0) {
	snd_card_free(card);
	return error;
	}

	strcpy(card->driver, "ES968");
	strcpy(card->shortname, "ESS ES968");
	sprintf(card->longname, "%s soundcard, %s at 0x%lx, irq %d, dma %d",
	card->shortname, chip->name, chip->port, irq[dev], dma8[dev]);

	if ((error = snd_card_register(card)) < 0) {
	snd_card_free(card);
	return error;
	}
	pnp_set_card_drvdata(pcard, card);
	return 0;
	}

	static unsigned int __devinitdata es968_devices;

	static int __devinit snd_es968_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])
	continue;
	res = snd_card_es968_probe(dev, card, id);
	if (res < 0)
	return res;
	dev++;
	es968_devices++;
	return 0;
	}
	return -ENODEV;
	}

	static void __devexit snd_es968_pnp_remove(struct pnp_card_link * pcard)
	{
	snd_card_free(pnp_get_card_drvdata(pcard));
	pnp_set_card_drvdata(pcard, NULL);
	}

	#ifdef CONFIG_PM
	static int snd_es968_pnp_suspend(struct pnp_card_link *pcard, pm_message_t state)
	{
	struct snd_card *card = pnp_get_card_drvdata(pcard);
	struct snd_card_es968 *acard = card->private_data;
	struct snd_sb *chip = acard->chip;

	snd_power_change_state(card, SNDRV_CTL_POWER_D3hot);
	snd_pcm_suspend_all(chip->pcm);
	snd_sbmixer_suspend(chip);
	return 0;
	}

	static int snd_es968_pnp_resume(struct pnp_card_link *pcard)
	{
	struct snd_card *card = pnp_get_card_drvdata(pcard);
	struct snd_card_es968 *acard = card->private_data;
	struct snd_sb *chip = acard->chip;

	snd_sbdsp_reset(chip);
	snd_sbmixer_resume(chip);
	snd_power_change_state(card, SNDRV_CTL_POWER_D0);
	return 0;
	}
	#endif

	static struct pnp_card_driver es968_pnpc_driver = {
	.flags = PNP_DRIVER_RES_DISABLE,
	.name = "es968",
	.id_table = snd_es968_pnpids,
	.probe = snd_es968_pnp_detect,
	.remove = __devexit_p(snd_es968_pnp_remove),
	#ifdef CONFIG_PM
	.suspend = snd_es968_pnp_suspend,
	.resume = snd_es968_pnp_resume,
	#endif
	};

	static int __init alsa_card_es968_init(void)
	{
	int err = pnp_register_card_driver(&es968_pnpc_driver);
	if (err)
	return err;

	if (!es968_devices) {
	pnp_unregister_card_driver(&es968_pnpc_driver);
	#ifdef MODULE
	snd_printk(KERN_ERR "no ES968 based soundcards found\n");
	#endif
	return -ENODEV;
	}
	return 0;
	}

	static void __exit alsa_card_es968_exit(void)
	{
	pnp_unregister_card_driver(&es968_pnpc_driver);
	}

	module_init(alsa_card_es968_init)
	module_exit(alsa_card_es968_exit)