sound/isa/es1688/es1688.c - kernel/msm-4.9 - Gitiles

 /*
  *  Driver for generic ESS AudioDrive ESx688 soundcards
  *  Copyright (c) by Jaroslav Kysela <perex@perex.cz>
  *
  *
  *   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/err.h>
 #include <linux/isa.h>
 #include <linux/time.h>
 #include <linux/wait.h>
 #include <linux/moduleparam.h>
 #include <asm/dma.h>
 #include <sound/core.h>
 #include <sound/es1688.h>
 #include <sound/mpu401.h>
 #include <sound/opl3.h>
 #define SNDRV_LEGACY_FIND_FREE_IRQ
 #define SNDRV_LEGACY_FIND_FREE_DMA
 #include <sound/initval.h>

 #define CRD_NAME "Generic ESS ES1688/ES688 AudioDrive"
 #define DEV_NAME "es1688"

 MODULE_DESCRIPTION(CRD_NAME);
 MODULE_AUTHOR("Jaroslav Kysela <perex@perex.cz>");
 MODULE_LICENSE("GPL");
 MODULE_SUPPORTED_DEVICE("{{ESS,ES688 PnP AudioDrive,pnp:ESS0100},"
 	        "{ESS,ES1688 PnP AudioDrive,pnp:ESS0102},"
 	        "{ESS,ES688 AudioDrive,pnp:ESS6881},"
 	        "{ESS,ES1688 AudioDrive,pnp:ESS1681}}");

 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;	/* Enable this card */
 static long port[SNDRV_CARDS] = SNDRV_DEFAULT_PORT;	/* 0x220,0x240,0x260 */
 static long fm_port[SNDRV_CARDS] = SNDRV_DEFAULT_PORT;	/* Usually 0x388 */
 static long mpu_port[SNDRV_CARDS] = {[0 ... (SNDRV_CARDS - 1)] = -1};
 static int irq[SNDRV_CARDS] = SNDRV_DEFAULT_IRQ;	/* 5,7,9,10 */
 static int mpu_irq[SNDRV_CARDS] = SNDRV_DEFAULT_IRQ;	/* 5,7,9,10 */
 static int dma8[SNDRV_CARDS] = SNDRV_DEFAULT_DMA;	/* 0,1,3 */

 module_param_array(index, int, NULL, 0444);
 MODULE_PARM_DESC(index, "Index value for " CRD_NAME " soundcard.");
 module_param_array(id, charp, NULL, 0444);
 MODULE_PARM_DESC(id, "ID string for " CRD_NAME " soundcard.");
 module_param_array(enable, bool, NULL, 0444);
 MODULE_PARM_DESC(enable, "Enable " CRD_NAME " soundcard.");
 module_param_array(port, long, NULL, 0444);
 MODULE_PARM_DESC(port, "Port # for " CRD_NAME " driver.");
 module_param_array(mpu_port, long, NULL, 0444);
 MODULE_PARM_DESC(mpu_port, "MPU-401 port # for " CRD_NAME " driver.");
 module_param_array(irq, int, NULL, 0444);
 module_param_array(fm_port, long, NULL, 0444);
 MODULE_PARM_DESC(fm_port, "FM port # for ES1688 driver.");
 MODULE_PARM_DESC(irq, "IRQ # for " CRD_NAME " driver.");
 module_param_array(mpu_irq, int, NULL, 0444);
 MODULE_PARM_DESC(mpu_irq, "MPU-401 IRQ # for " CRD_NAME " driver.");
 module_param_array(dma8, int, NULL, 0444);
 MODULE_PARM_DESC(dma8, "8-bit DMA # for " CRD_NAME " driver.");

 static int __devinit snd_es1688_match(struct device *dev, unsigned int n)
 {
 	return enable[n];
 }

 static int __devinit snd_es1688_legacy_create(struct snd_card *card,
 		struct device *dev, unsigned int n, struct snd_es1688 **rchip)
 {
 	static long possible_ports[] = {0x220, 0x240, 0x260};
 	static int possible_irqs[] = {5, 9, 10, 7, -1};
 	static int possible_dmas[] = {1, 3, 0, -1};

 	int i, error;

 	if (irq[n] == SNDRV_AUTO_IRQ) {
 		irq[n] = snd_legacy_find_free_irq(possible_irqs);
 		if (irq[n] < 0) {
 			dev_err(dev, "unable to find a free IRQ\n");
 			return -EBUSY;
 		}
 	}
 	if (dma8[n] == SNDRV_AUTO_DMA) {
 		dma8[n] = snd_legacy_find_free_dma(possible_dmas);
 		if (dma8[n] < 0) {
 			dev_err(dev, "unable to find a free DMA\n");
 			return -EBUSY;
 		}
 	}

 	if (port[n] != SNDRV_AUTO_PORT)
 		return snd_es1688_create(card, port[n], mpu_port[n], irq[n],
 				mpu_irq[n], dma8[n], ES1688_HW_AUTO, rchip);

 	i = 0;
 	do {
 		port[n] = possible_ports[i];
 		error = snd_es1688_create(card, port[n], mpu_port[n], irq[n],
 				mpu_irq[n], dma8[n], ES1688_HW_AUTO, rchip);
 	} while (error < 0 && ++i < ARRAY_SIZE(possible_ports));

 	return error;
 }

 static int __devinit snd_es1688_probe(struct device *dev, unsigned int n)
 {
 	struct snd_card *card;
 	struct snd_es1688 *chip;
 	struct snd_opl3 *opl3;
 	struct snd_pcm *pcm;
 	int error;

 	error = snd_card_create(index[n], id[n], THIS_MODULE, 0, &card);
 	if (error < 0)
 		return error;

 	error = snd_es1688_legacy_create(card, dev, n, &chip);
 	if (error < 0)
 		goto out;

 	error = snd_es1688_pcm(chip, 0, &pcm);
 	if (error < 0)
 		goto out;

 	error = snd_es1688_mixer(chip);
 	if (error < 0)
 		goto out;

 	strcpy(card->driver, "ES1688");
 	strcpy(card->shortname, pcm->name);
 	sprintf(card->longname, "%s at 0x%lx, irq %i, dma %i", pcm->name,
 		chip->port, chip->irq, chip->dma8);

 	if (fm_port[n] == SNDRV_AUTO_PORT)
 		fm_port[n] = port[n];	/* share the same port */

 	if (fm_port[n] > 0) {
 		if (snd_opl3_create(card, fm_port[n], fm_port[n] + 2,
 				OPL3_HW_OPL3, 0, &opl3) < 0)
 			dev_warn(dev,
 				 "opl3 not detected at 0x%lx\n", fm_port[n]);
 		else {
 			error =	snd_opl3_hwdep_new(opl3, 0, 1, NULL);
 			if (error < 0)
 				goto out;
 		}
 	}

 	if (mpu_irq[n] >= 0 && mpu_irq[n] != SNDRV_AUTO_IRQ &&
 			chip->mpu_port > 0) {
 		error = snd_mpu401_uart_new(card, 0, MPU401_HW_ES1688,
 				chip->mpu_port, 0,
 				mpu_irq[n], IRQF_DISABLED, NULL);
 		if (error < 0)
 			goto out;
 	}

 	snd_card_set_dev(card, dev);

 	error = snd_card_register(card);
 	if (error < 0)
 		goto out;

 	dev_set_drvdata(dev, card);
 	return 0;

 out:	snd_card_free(card);
 	return error;
 }

 static int __devexit snd_es1688_remove(struct device *dev, unsigned int n)
 {
 	snd_card_free(dev_get_drvdata(dev));
 	dev_set_drvdata(dev, NULL);
 	return 0;
 }

 static struct isa_driver snd_es1688_driver = {
 	.match		= snd_es1688_match,
 	.probe		= snd_es1688_probe,
 	.remove		= snd_es1688_remove,
 #if 0	/* FIXME */
 	.suspend	= snd_es1688_suspend,
 	.resume		= snd_es1688_resume,
 #endif
 	.driver		= {
 		.name	= DEV_NAME
 	}
 };

 static int __init alsa_card_es1688_init(void)
 {
 	return isa_register_driver(&snd_es1688_driver, SNDRV_CARDS);
 }

 static void __exit alsa_card_es1688_exit(void)
 {
 	isa_unregister_driver(&snd_es1688_driver);
 }

 module_init(alsa_card_es1688_init);
 module_exit(alsa_card_es1688_exit);
	/*
	* Driver for generic ESS AudioDrive ESx688 soundcards
	* Copyright (c) by Jaroslav Kysela <perex@perex.cz>
	*
	*
	* 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/err.h>
	#include <linux/isa.h>
	#include <linux/time.h>
	#include <linux/wait.h>
	#include <linux/moduleparam.h>
	#include <asm/dma.h>
	#include <sound/core.h>
	#include <sound/es1688.h>
	#include <sound/mpu401.h>
	#include <sound/opl3.h>
	#define SNDRV_LEGACY_FIND_FREE_IRQ
	#define SNDRV_LEGACY_FIND_FREE_DMA
	#include <sound/initval.h>

	#define CRD_NAME "Generic ESS ES1688/ES688 AudioDrive"
	#define DEV_NAME "es1688"

	MODULE_DESCRIPTION(CRD_NAME);
	MODULE_AUTHOR("Jaroslav Kysela <perex@perex.cz>");
	MODULE_LICENSE("GPL");
	MODULE_SUPPORTED_DEVICE("{{ESS,ES688 PnP AudioDrive,pnp:ESS0100},"
	"{ESS,ES1688 PnP AudioDrive,pnp:ESS0102},"
	"{ESS,ES688 AudioDrive,pnp:ESS6881},"
	"{ESS,ES1688 AudioDrive,pnp:ESS1681}}");

	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; /* Enable this card */
	static long port[SNDRV_CARDS] = SNDRV_DEFAULT_PORT; /* 0x220,0x240,0x260 */
	static long fm_port[SNDRV_CARDS] = SNDRV_DEFAULT_PORT; /* Usually 0x388 */
	static long mpu_port[SNDRV_CARDS] = {[0 ... (SNDRV_CARDS - 1)] = -1};
	static int irq[SNDRV_CARDS] = SNDRV_DEFAULT_IRQ; /* 5,7,9,10 */
	static int mpu_irq[SNDRV_CARDS] = SNDRV_DEFAULT_IRQ; /* 5,7,9,10 */
	static int dma8[SNDRV_CARDS] = SNDRV_DEFAULT_DMA; /* 0,1,3 */

	module_param_array(index, int, NULL, 0444);
	MODULE_PARM_DESC(index, "Index value for " CRD_NAME " soundcard.");
	module_param_array(id, charp, NULL, 0444);
	MODULE_PARM_DESC(id, "ID string for " CRD_NAME " soundcard.");
	module_param_array(enable, bool, NULL, 0444);
	MODULE_PARM_DESC(enable, "Enable " CRD_NAME " soundcard.");
	module_param_array(port, long, NULL, 0444);
	MODULE_PARM_DESC(port, "Port # for " CRD_NAME " driver.");
	module_param_array(mpu_port, long, NULL, 0444);
	MODULE_PARM_DESC(mpu_port, "MPU-401 port # for " CRD_NAME " driver.");
	module_param_array(irq, int, NULL, 0444);
	module_param_array(fm_port, long, NULL, 0444);
	MODULE_PARM_DESC(fm_port, "FM port # for ES1688 driver.");
	MODULE_PARM_DESC(irq, "IRQ # for " CRD_NAME " driver.");
	module_param_array(mpu_irq, int, NULL, 0444);
	MODULE_PARM_DESC(mpu_irq, "MPU-401 IRQ # for " CRD_NAME " driver.");
	module_param_array(dma8, int, NULL, 0444);
	MODULE_PARM_DESC(dma8, "8-bit DMA # for " CRD_NAME " driver.");

	static int __devinit snd_es1688_match(struct device *dev, unsigned int n)
	{
	return enable[n];
	}

	static int __devinit snd_es1688_legacy_create(struct snd_card *card,
	struct device dev, unsigned int n, struct snd_es1688 *rchip)
	{
	static long possible_ports[] = {0x220, 0x240, 0x260};
	static int possible_irqs[] = {5, 9, 10, 7, -1};
	static int possible_dmas[] = {1, 3, 0, -1};

	int i, error;

	if (irq[n] == SNDRV_AUTO_IRQ) {
	irq[n] = snd_legacy_find_free_irq(possible_irqs);
	if (irq[n] < 0) {
	dev_err(dev, "unable to find a free IRQ\n");
	return -EBUSY;
	}
	}
	if (dma8[n] == SNDRV_AUTO_DMA) {
	dma8[n] = snd_legacy_find_free_dma(possible_dmas);
	if (dma8[n] < 0) {
	dev_err(dev, "unable to find a free DMA\n");
	return -EBUSY;
	}
	}

	if (port[n] != SNDRV_AUTO_PORT)
	return snd_es1688_create(card, port[n], mpu_port[n], irq[n],
	mpu_irq[n], dma8[n], ES1688_HW_AUTO, rchip);

	i = 0;
	do {
	port[n] = possible_ports[i];
	error = snd_es1688_create(card, port[n], mpu_port[n], irq[n],
	mpu_irq[n], dma8[n], ES1688_HW_AUTO, rchip);
	} while (error < 0 && ++i < ARRAY_SIZE(possible_ports));

	return error;
	}

	static int __devinit snd_es1688_probe(struct device *dev, unsigned int n)
	{
	struct snd_card *card;
	struct snd_es1688 *chip;
	struct snd_opl3 *opl3;
	struct snd_pcm *pcm;
	int error;

	error = snd_card_create(index[n], id[n], THIS_MODULE, 0, &card);
	if (error < 0)
	return error;

	error = snd_es1688_legacy_create(card, dev, n, &chip);
	if (error < 0)
	goto out;

	error = snd_es1688_pcm(chip, 0, &pcm);
	if (error < 0)
	goto out;

	error = snd_es1688_mixer(chip);
	if (error < 0)
	goto out;

	strcpy(card->driver, "ES1688");
	strcpy(card->shortname, pcm->name);
	sprintf(card->longname, "%s at 0x%lx, irq %i, dma %i", pcm->name,
	chip->port, chip->irq, chip->dma8);

	if (fm_port[n] == SNDRV_AUTO_PORT)
	fm_port[n] = port[n]; /* share the same port */

	if (fm_port[n] > 0) {
	if (snd_opl3_create(card, fm_port[n], fm_port[n] + 2,
	OPL3_HW_OPL3, 0, &opl3) < 0)
	dev_warn(dev,
	"opl3 not detected at 0x%lx\n", fm_port[n]);
	else {
	error = snd_opl3_hwdep_new(opl3, 0, 1, NULL);
	if (error < 0)
	goto out;
	}
	}

	if (mpu_irq[n] >= 0 && mpu_irq[n] != SNDRV_AUTO_IRQ &&
	chip->mpu_port > 0) {
	error = snd_mpu401_uart_new(card, 0, MPU401_HW_ES1688,
	chip->mpu_port, 0,
	mpu_irq[n], IRQF_DISABLED, NULL);
	if (error < 0)
	goto out;
	}

	snd_card_set_dev(card, dev);

	error = snd_card_register(card);
	if (error < 0)
	goto out;

	dev_set_drvdata(dev, card);
	return 0;

	out: snd_card_free(card);
	return error;
	}

	static int __devexit snd_es1688_remove(struct device *dev, unsigned int n)
	{
	snd_card_free(dev_get_drvdata(dev));
	dev_set_drvdata(dev, NULL);
	return 0;
	}

	static struct isa_driver snd_es1688_driver = {
	.match = snd_es1688_match,
	.probe = snd_es1688_probe,
	.remove = snd_es1688_remove,
	#if 0 /* FIXME */
	.suspend = snd_es1688_suspend,
	.resume = snd_es1688_resume,
	#endif
	.driver = {
	.name = DEV_NAME
	}
	};

	static int __init alsa_card_es1688_init(void)
	{
	return isa_register_driver(&snd_es1688_driver, SNDRV_CARDS);
	}

	static void __exit alsa_card_es1688_exit(void)
	{
	isa_unregister_driver(&snd_es1688_driver);
	}

	module_init(alsa_card_es1688_init);
	module_exit(alsa_card_es1688_exit);