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

 /*
  *  Driver for generic ESS AudioDrive ESx688 soundcards
  *  Copyright (c) by Jaroslav Kysela <perex@suse.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 <sound/driver.h>
 #include <linux/init.h>
 #include <linux/err.h>
 #include <linux/platform_device.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>

 MODULE_AUTHOR("Jaroslav Kysela <perex@suse.cz>");
 MODULE_DESCRIPTION("ESS ESx688 AudioDrive");
 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 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 ESx688 soundcard.");
 module_param_array(id, charp, NULL, 0444);
 MODULE_PARM_DESC(id, "ID string for ESx688 soundcard.");
 module_param_array(enable, bool, NULL, 0444);
 MODULE_PARM_DESC(enable, "Enable ESx688 soundcard.");
 module_param_array(port, long, NULL, 0444);
 MODULE_PARM_DESC(port, "Port # for ESx688 driver.");
 module_param_array(mpu_port, long, NULL, 0444);
 MODULE_PARM_DESC(mpu_port, "MPU-401 port # for ESx688 driver.");
 module_param_array(irq, int, NULL, 0444);
 MODULE_PARM_DESC(irq, "IRQ # for ESx688 driver.");
 module_param_array(mpu_irq, int, NULL, 0444);
 MODULE_PARM_DESC(mpu_irq, "MPU-401 IRQ # for ESx688 driver.");
 module_param_array(dma8, int, NULL, 0444);
 MODULE_PARM_DESC(dma8, "8-bit DMA # for ESx688 driver.");

 static struct platform_device *devices[SNDRV_CARDS];

 #define PFX	"es1688: "

 static int __init snd_es1688_probe(struct platform_device *pdev)
 {
 	int dev = pdev->id;
 	static int possible_irqs[] = {5, 9, 10, 7, -1};
 	static int possible_dmas[] = {1, 3, 0, -1};
 	int xirq, xdma, xmpu_irq;
 	struct snd_card *card;
 	struct snd_es1688 *chip;
 	struct snd_opl3 *opl3;
 	struct snd_pcm *pcm;
 	int err;

 	card = snd_card_new(index[dev], id[dev], THIS_MODULE, 0);
 	if (card == NULL)
 		return -ENOMEM;

 	xirq = irq[dev];
 	if (xirq == SNDRV_AUTO_IRQ) {
 		if ((xirq = snd_legacy_find_free_irq(possible_irqs)) < 0) {
 			snd_printk(KERN_ERR PFX "unable to find a free IRQ\n");
 			err = -EBUSY;
 			goto _err;
 		}
 	}
 	xmpu_irq = mpu_irq[dev];
 	xdma = dma8[dev];
 	if (xdma == SNDRV_AUTO_DMA) {
 		if ((xdma = snd_legacy_find_free_dma(possible_dmas)) < 0) {
 			snd_printk(KERN_ERR PFX "unable to find a free DMA\n");
 			err = -EBUSY;
 			goto _err;
 		}
 	}

 	if (port[dev] != SNDRV_AUTO_PORT) {
 		if ((err = snd_es1688_create(card, port[dev], mpu_port[dev],
 					     xirq, xmpu_irq, xdma,
 					     ES1688_HW_AUTO, &chip)) < 0)
 			goto _err;
 	} else {
 		/* auto-probe legacy ports */
 		static unsigned long possible_ports[] = {
 			0x220, 0x240, 0x260,
 		};
 		int i;
 		for (i = 0; i < ARRAY_SIZE(possible_ports); i++) {
 			err = snd_es1688_create(card, possible_ports[i],
 						mpu_port[dev],
 						xirq, xmpu_irq, xdma,
 						ES1688_HW_AUTO, &chip);
 			if (err >= 0) {
 				port[dev] = possible_ports[i];
 				break;
 			}
 		}
 		if (i >= ARRAY_SIZE(possible_ports))
 			goto _err;
 	}

 	if ((err = snd_es1688_pcm(chip, 0, &pcm)) < 0)
 		goto _err;

 	if ((err = snd_es1688_mixer(chip)) < 0)
 		goto _err;

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

 	if ((snd_opl3_create(card, chip->port, chip->port + 2, OPL3_HW_OPL3, 0, &opl3)) < 0) {
 		printk(KERN_WARNING PFX "opl3 not detected at 0x%lx\n", chip->port);
 	} else {
 		if ((err = snd_opl3_hwdep_new(opl3, 0, 1, NULL)) < 0)
 			goto _err;
 	}

 	if (xmpu_irq >= 0 && xmpu_irq != SNDRV_AUTO_IRQ && chip->mpu_port > 0) {
 		if ((err = snd_mpu401_uart_new(card, 0, MPU401_HW_ES1688,
 					       chip->mpu_port, 0,
 					       xmpu_irq,
 					       SA_INTERRUPT,
 					       NULL)) < 0)
 			goto _err;
 	}

 	snd_card_set_dev(card, &pdev->dev);

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

 	platform_set_drvdata(pdev, card);
 	return 0;

  _err:
 	snd_card_free(card);
 	return err;
 }

 static int snd_es1688_remove(struct platform_device *devptr)
 {
 	snd_card_free(platform_get_drvdata(devptr));
 	platform_set_drvdata(devptr, NULL);
 	return 0;
 }

 #define ES1688_DRIVER	"snd_es1688"

 static struct platform_driver snd_es1688_driver = {
 	.probe		= snd_es1688_probe,
 	.remove		= snd_es1688_remove,
 	/* FIXME: suspend/resume */
 	.driver		= {
 		.name	= ES1688_DRIVER
 	},
 };

 static void __init_or_module snd_es1688_unregister_all(void)
 {
 	int i;

 	for (i = 0; i < ARRAY_SIZE(devices); ++i)
 		platform_device_unregister(devices[i]);
 	platform_driver_unregister(&snd_es1688_driver);
 }

 static int __init alsa_card_es1688_init(void)
 {
 	int i, cards, err;

 	err = platform_driver_register(&snd_es1688_driver);
 	if (err < 0)
 		return err;

 	cards = 0;
 	for (i = 0; i < SNDRV_CARDS; i++) {
 		struct platform_device *device;
 		if (! enable[i])
 			continue;
 		device = platform_device_register_simple(ES1688_DRIVER,
 							 i, NULL, 0);
 		if (IS_ERR(device))
 			continue;
 		if (!platform_get_drvdata(device)) {
 			platform_device_unregister(device);
 			continue;
 		}
 		devices[i] = device;
 		cards++;
 	}
 	if (!cards) {
 #ifdef MODULE
 		printk(KERN_ERR "ESS AudioDrive ES1688 soundcard not found or device busy\n");
 #endif
 		snd_es1688_unregister_all();
 		return -ENODEV;
 	}
 	return 0;
 }

 static void __exit alsa_card_es1688_exit(void)
 {
 	snd_es1688_unregister_all();
 }

 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@suse.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 <sound/driver.h>
	#include <linux/init.h>
	#include <linux/err.h>
	#include <linux/platform_device.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>

	MODULE_AUTHOR("Jaroslav Kysela <perex@suse.cz>");
	MODULE_DESCRIPTION("ESS ESx688 AudioDrive");
	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 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 ESx688 soundcard.");
	module_param_array(id, charp, NULL, 0444);
	MODULE_PARM_DESC(id, "ID string for ESx688 soundcard.");
	module_param_array(enable, bool, NULL, 0444);
	MODULE_PARM_DESC(enable, "Enable ESx688 soundcard.");
	module_param_array(port, long, NULL, 0444);
	MODULE_PARM_DESC(port, "Port # for ESx688 driver.");
	module_param_array(mpu_port, long, NULL, 0444);
	MODULE_PARM_DESC(mpu_port, "MPU-401 port # for ESx688 driver.");
	module_param_array(irq, int, NULL, 0444);
	MODULE_PARM_DESC(irq, "IRQ # for ESx688 driver.");
	module_param_array(mpu_irq, int, NULL, 0444);
	MODULE_PARM_DESC(mpu_irq, "MPU-401 IRQ # for ESx688 driver.");
	module_param_array(dma8, int, NULL, 0444);
	MODULE_PARM_DESC(dma8, "8-bit DMA # for ESx688 driver.");

	static struct platform_device *devices[SNDRV_CARDS];

	#define PFX "es1688: "

	static int __init snd_es1688_probe(struct platform_device *pdev)
	{
	int dev = pdev->id;
	static int possible_irqs[] = {5, 9, 10, 7, -1};
	static int possible_dmas[] = {1, 3, 0, -1};
	int xirq, xdma, xmpu_irq;
	struct snd_card *card;
	struct snd_es1688 *chip;
	struct snd_opl3 *opl3;
	struct snd_pcm *pcm;
	int err;

	card = snd_card_new(index[dev], id[dev], THIS_MODULE, 0);
	if (card == NULL)
	return -ENOMEM;

	xirq = irq[dev];
	if (xirq == SNDRV_AUTO_IRQ) {
	if ((xirq = snd_legacy_find_free_irq(possible_irqs)) < 0) {
	snd_printk(KERN_ERR PFX "unable to find a free IRQ\n");
	err = -EBUSY;
	goto _err;
	}
	}
	xmpu_irq = mpu_irq[dev];
	xdma = dma8[dev];
	if (xdma == SNDRV_AUTO_DMA) {
	if ((xdma = snd_legacy_find_free_dma(possible_dmas)) < 0) {
	snd_printk(KERN_ERR PFX "unable to find a free DMA\n");
	err = -EBUSY;
	goto _err;
	}
	}

	if (port[dev] != SNDRV_AUTO_PORT) {
	if ((err = snd_es1688_create(card, port[dev], mpu_port[dev],
	xirq, xmpu_irq, xdma,
	ES1688_HW_AUTO, &chip)) < 0)
	goto _err;
	} else {
	/* auto-probe legacy ports */
	static unsigned long possible_ports[] = {
	0x220, 0x240, 0x260,
	};
	int i;
	for (i = 0; i < ARRAY_SIZE(possible_ports); i++) {
	err = snd_es1688_create(card, possible_ports[i],
	mpu_port[dev],
	xirq, xmpu_irq, xdma,
	ES1688_HW_AUTO, &chip);
	if (err >= 0) {
	port[dev] = possible_ports[i];
	break;
	}
	}
	if (i >= ARRAY_SIZE(possible_ports))
	goto _err;
	}

	if ((err = snd_es1688_pcm(chip, 0, &pcm)) < 0)
	goto _err;

	if ((err = snd_es1688_mixer(chip)) < 0)
	goto _err;

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

	if ((snd_opl3_create(card, chip->port, chip->port + 2, OPL3_HW_OPL3, 0, &opl3)) < 0) {
	printk(KERN_WARNING PFX "opl3 not detected at 0x%lx\n", chip->port);
	} else {
	if ((err = snd_opl3_hwdep_new(opl3, 0, 1, NULL)) < 0)
	goto _err;
	}

	if (xmpu_irq >= 0 && xmpu_irq != SNDRV_AUTO_IRQ && chip->mpu_port > 0) {
	if ((err = snd_mpu401_uart_new(card, 0, MPU401_HW_ES1688,
	chip->mpu_port, 0,
	xmpu_irq,
	SA_INTERRUPT,
	NULL)) < 0)
	goto _err;
	}

	snd_card_set_dev(card, &pdev->dev);

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

	platform_set_drvdata(pdev, card);
	return 0;

	_err:
	snd_card_free(card);
	return err;
	}

	static int snd_es1688_remove(struct platform_device *devptr)
	{
	snd_card_free(platform_get_drvdata(devptr));
	platform_set_drvdata(devptr, NULL);
	return 0;
	}

	#define ES1688_DRIVER "snd_es1688"

	static struct platform_driver snd_es1688_driver = {
	.probe = snd_es1688_probe,
	.remove = snd_es1688_remove,
	/* FIXME: suspend/resume */
	.driver = {
	.name = ES1688_DRIVER
	},
	};

	static void __init_or_module snd_es1688_unregister_all(void)
	{
	int i;

	for (i = 0; i < ARRAY_SIZE(devices); ++i)
	platform_device_unregister(devices[i]);
	platform_driver_unregister(&snd_es1688_driver);
	}

	static int __init alsa_card_es1688_init(void)
	{
	int i, cards, err;

	err = platform_driver_register(&snd_es1688_driver);
	if (err < 0)
	return err;

	cards = 0;
	for (i = 0; i < SNDRV_CARDS; i++) {
	struct platform_device *device;
	if (! enable[i])
	continue;
	device = platform_device_register_simple(ES1688_DRIVER,
	i, NULL, 0);
	if (IS_ERR(device))
	continue;
	if (!platform_get_drvdata(device)) {
	platform_device_unregister(device);
	continue;
	}
	devices[i] = device;
	cards++;
	}
	if (!cards) {
	#ifdef MODULE
	printk(KERN_ERR "ESS AudioDrive ES1688 soundcard not found or device busy\n");
	#endif
	snd_es1688_unregister_all();
	return -ENODEV;
	}
	return 0;
	}

	static void __exit alsa_card_es1688_exit(void)
	{
	snd_es1688_unregister_all();
	}

	module_init(alsa_card_es1688_init)
	module_exit(alsa_card_es1688_exit)