sound/isa/sb/jazz16.c - pub/scm/linux/kernel/git/vireshk/linux - Git at Google


 /*
  * jazz16.c - driver for Media Vision Jazz16 based soundcards.
  * Copyright (C) 2009 Krzysztof Helt <krzysztof.h1@wp.pl>
  * Based on patches posted by Rask Ingemann Lambertsen and Rene Herman.
  * Based on OSS Sound Blaster driver.
  *
  * This file is subject to the terms and conditions of the GNU General Public
  * License.  See the file COPYING in the main directory of this archive for
  * more details.
  *
  */

 #include <linux/init.h>
 #include <linux/module.h>
 #include <linux/io.h>
 #include <linux/delay.h>
 #include <asm/dma.h>
 #include <linux/isa.h>
 #include <sound/core.h>
 #include <sound/mpu401.h>
 #include <sound/opl3.h>
 #include <sound/sb.h>
 #define SNDRV_LEGACY_FIND_FREE_IRQ
 #define SNDRV_LEGACY_FIND_FREE_DMA
 #include <sound/initval.h>

 #define PFX "jazz16: "

 MODULE_DESCRIPTION("Media Vision Jazz16");
 MODULE_SUPPORTED_DEVICE("{{Media Vision ??? },"
 		"{RTL,RTL3000}}");

 MODULE_AUTHOR("Krzysztof Helt <krzysztof.h1@wp.pl>");
 MODULE_LICENSE("GPL");

 static int index[SNDRV_CARDS] = SNDRV_DEFAULT_IDX;	/* Index 0-MAX */
 static char *id[SNDRV_CARDS] = SNDRV_DEFAULT_STR;	/* ID for this card */
 static bool enable[SNDRV_CARDS] = SNDRV_DEFAULT_ENABLE;	/* Enable this card */
 static unsigned long port[SNDRV_CARDS] = SNDRV_DEFAULT_PORT;
 static unsigned long mpu_port[SNDRV_CARDS] = SNDRV_DEFAULT_PORT;
 static int irq[SNDRV_CARDS] = SNDRV_DEFAULT_IRQ;
 static int mpu_irq[SNDRV_CARDS] = SNDRV_DEFAULT_IRQ;
 static int dma8[SNDRV_CARDS] = SNDRV_DEFAULT_DMA;
 static int dma16[SNDRV_CARDS] = SNDRV_DEFAULT_DMA;

 module_param_array(index, int, NULL, 0444);
 MODULE_PARM_DESC(index, "Index value for Media Vision Jazz16 based soundcard.");
 module_param_array(id, charp, NULL, 0444);
 MODULE_PARM_DESC(id, "ID string for Media Vision Jazz16 based soundcard.");
 module_param_array(enable, bool, NULL, 0444);
 MODULE_PARM_DESC(enable, "Enable Media Vision Jazz16 based soundcard.");
 module_param_array(port, long, NULL, 0444);
 MODULE_PARM_DESC(port, "Port # for jazz16 driver.");
 module_param_array(mpu_port, long, NULL, 0444);
 MODULE_PARM_DESC(mpu_port, "MPU-401 port # for jazz16 driver.");
 module_param_array(irq, int, NULL, 0444);
 MODULE_PARM_DESC(irq, "IRQ # for jazz16 driver.");
 module_param_array(mpu_irq, int, NULL, 0444);
 MODULE_PARM_DESC(mpu_irq, "MPU-401 IRQ # for jazz16 driver.");
 module_param_array(dma8, int, NULL, 0444);
 MODULE_PARM_DESC(dma8, "DMA8 # for jazz16 driver.");
 module_param_array(dma16, int, NULL, 0444);
 MODULE_PARM_DESC(dma16, "DMA16 # for jazz16 driver.");

 #define SB_JAZZ16_WAKEUP	0xaf
 #define SB_JAZZ16_SET_PORTS	0x50
 #define SB_DSP_GET_JAZZ_BRD_REV	0xfa
 #define SB_JAZZ16_SET_DMAINTR	0xfb
 #define SB_DSP_GET_JAZZ_MODEL	0xfe

 struct snd_card_jazz16 {
 	struct snd_sb *chip;
 };

 static irqreturn_t jazz16_interrupt(int irq, void *chip)
 {
 	return snd_sb8dsp_interrupt(chip);
 }

 static int jazz16_configure_ports(unsigned long port,
 				  unsigned long mpu_port, int idx)
 {
 	unsigned char val;

 	if (!request_region(0x201, 1, "jazz16 config")) {
 		snd_printk(KERN_ERR "config port region is already in use.\n");
 		return -EBUSY;
 	}
 	outb(SB_JAZZ16_WAKEUP - idx, 0x201);
 	udelay(100);
 	outb(SB_JAZZ16_SET_PORTS + idx, 0x201);
 	udelay(100);
 	val = port & 0x70;
 	val |= (mpu_port & 0x30) >> 4;
 	outb(val, 0x201);

 	release_region(0x201, 1);
 	return 0;
 }

 static int jazz16_detect_board(unsigned long port,
 			       unsigned long mpu_port)
 {
 	int err;
 	int val;
 	struct snd_sb chip;

 	if (!request_region(port, 0x10, "jazz16")) {
 		snd_printk(KERN_ERR "I/O port region is already in use.\n");
 		return -EBUSY;
 	}
 	/* just to call snd_sbdsp_command/reset/get_byte() */
 	chip.port = port;

 	err = snd_sbdsp_reset(&chip);
 	if (err < 0)
 		for (val = 0; val < 4; val++) {
 			err = jazz16_configure_ports(port, mpu_port, val);
 			if (err < 0)
 				break;

 			err = snd_sbdsp_reset(&chip);
 			if (!err)
 				break;
 		}
 	if (err < 0) {
 		err = -ENODEV;
 		goto err_unmap;
 	}
 	if (!snd_sbdsp_command(&chip, SB_DSP_GET_JAZZ_BRD_REV)) {
 		err = -EBUSY;
 		goto err_unmap;
 	}
 	val = snd_sbdsp_get_byte(&chip);
 	if (val >= 0x30)
 		snd_sbdsp_get_byte(&chip);

 	if ((val & 0xf0) != 0x10) {
 		err = -ENODEV;
 		goto err_unmap;
 	}
 	if (!snd_sbdsp_command(&chip, SB_DSP_GET_JAZZ_MODEL)) {
 		err = -EBUSY;
 		goto err_unmap;
 	}
 	snd_sbdsp_get_byte(&chip);
 	err = snd_sbdsp_get_byte(&chip);
 	snd_printd("Media Vision Jazz16 board detected: rev 0x%x, model 0x%x\n",
 		   val, err);

 	err = 0;

 err_unmap:
 	release_region(port, 0x10);
 	return err;
 }

 static int jazz16_configure_board(struct snd_sb *chip, int mpu_irq)
 {
 	static unsigned char jazz_irq_bits[] = { 0, 0, 2, 3, 0, 1, 0, 4,
 						 0, 2, 5, 0, 0, 0, 0, 6 };
 	static unsigned char jazz_dma_bits[] = { 0, 1, 0, 2, 0, 3, 0, 4 };

 	if (jazz_dma_bits[chip->dma8] == 0 ||
 	    jazz_dma_bits[chip->dma16] == 0 ||
 	    jazz_irq_bits[chip->irq] == 0)
 		return -EINVAL;

 	if (!snd_sbdsp_command(chip, SB_JAZZ16_SET_DMAINTR))
 		return -EBUSY;

 	if (!snd_sbdsp_command(chip,
 			       jazz_dma_bits[chip->dma8] |
 			       (jazz_dma_bits[chip->dma16] << 4)))
 		return -EBUSY;

 	if (!snd_sbdsp_command(chip,
 			       jazz_irq_bits[chip->irq] |
 			       (jazz_irq_bits[mpu_irq] << 4)))
 		return -EBUSY;

 	return 0;
 }

 static int snd_jazz16_match(struct device *devptr, unsigned int dev)
 {
 	if (!enable[dev])
 		return 0;
 	if (port[dev] == SNDRV_AUTO_PORT) {
 		snd_printk(KERN_ERR "please specify port\n");
 		return 0;
 	} else if (port[dev] == 0x200 || (port[dev] & ~0x270)) {
 		snd_printk(KERN_ERR "incorrect port specified\n");
 		return 0;
 	}
 	if (dma8[dev] != SNDRV_AUTO_DMA &&
 	    dma8[dev] != 1 && dma8[dev] != 3) {
 		snd_printk(KERN_ERR "dma8 must be 1 or 3\n");
 		return 0;
 	}
 	if (dma16[dev] != SNDRV_AUTO_DMA &&
 	    dma16[dev] != 5 && dma16[dev] != 7) {
 		snd_printk(KERN_ERR "dma16 must be 5 or 7\n");
 		return 0;
 	}
 	if (mpu_port[dev] != SNDRV_AUTO_PORT &&
 	    (mpu_port[dev] & ~0x030) != 0x300) {
 		snd_printk(KERN_ERR "incorrect mpu_port specified\n");
 		return 0;
 	}
 	if (mpu_irq[dev] != SNDRV_AUTO_DMA &&
 	    mpu_irq[dev] != 2 && mpu_irq[dev] != 3 &&
 	    mpu_irq[dev] != 5 && mpu_irq[dev] != 7) {
 		snd_printk(KERN_ERR "mpu_irq must be 2, 3, 5 or 7\n");
 		return 0;
 	}
 	return 1;
 }

 static int snd_jazz16_probe(struct device *devptr, unsigned int dev)
 {
 	struct snd_card *card;
 	struct snd_card_jazz16 *jazz16;
 	struct snd_sb *chip;
 	struct snd_opl3 *opl3;
 	static int possible_irqs[] = {2, 3, 5, 7, 9, 10, 15, -1};
 	static int possible_dmas8[] = {1, 3, -1};
 	static int possible_dmas16[] = {5, 7, -1};
 	int err, xirq, xdma8, xdma16, xmpu_port, xmpu_irq;

 	err = snd_card_new(devptr, index[dev], id[dev], THIS_MODULE,
 			   sizeof(struct snd_card_jazz16), &card);
 	if (err < 0)
 		return err;

 	jazz16 = card->private_data;

 	xirq = irq[dev];
 	if (xirq == SNDRV_AUTO_IRQ) {
 		xirq = snd_legacy_find_free_irq(possible_irqs);
 		if (xirq < 0) {
 			snd_printk(KERN_ERR "unable to find a free IRQ\n");
 			err = -EBUSY;
 			goto err_free;
 		}
 	}
 	xdma8 = dma8[dev];
 	if (xdma8 == SNDRV_AUTO_DMA) {
 		xdma8 = snd_legacy_find_free_dma(possible_dmas8);
 		if (xdma8 < 0) {
 			snd_printk(KERN_ERR "unable to find a free DMA8\n");
 			err = -EBUSY;
 			goto err_free;
 		}
 	}
 	xdma16 = dma16[dev];
 	if (xdma16 == SNDRV_AUTO_DMA) {
 		xdma16 = snd_legacy_find_free_dma(possible_dmas16);
 		if (xdma16 < 0) {
 			snd_printk(KERN_ERR "unable to find a free DMA16\n");
 			err = -EBUSY;
 			goto err_free;
 		}
 	}

 	xmpu_port = mpu_port[dev];
 	if (xmpu_port == SNDRV_AUTO_PORT)
 		xmpu_port = 0;
 	err = jazz16_detect_board(port[dev], xmpu_port);
 	if (err < 0) {
 		printk(KERN_ERR "Media Vision Jazz16 board not detected\n");
 		goto err_free;
 	}
 	err = snd_sbdsp_create(card, port[dev], irq[dev],
 			       jazz16_interrupt,
 			       dma8[dev], dma16[dev],
 			       SB_HW_JAZZ16,
 			       &chip);
 	if (err < 0)
 		goto err_free;

 	xmpu_irq = mpu_irq[dev];
 	if (xmpu_irq == SNDRV_AUTO_IRQ || mpu_port[dev] == SNDRV_AUTO_PORT)
 		xmpu_irq = 0;
 	err = jazz16_configure_board(chip, xmpu_irq);
 	if (err < 0) {
 		printk(KERN_ERR "Media Vision Jazz16 configuration failed\n");
 		goto err_free;
 	}

 	jazz16->chip = chip;

 	strcpy(card->driver, "jazz16");
 	strcpy(card->shortname, "Media Vision Jazz16");
 	sprintf(card->longname,
 		"Media Vision Jazz16 at 0x%lx, irq %d, dma8 %d, dma16 %d",
 		port[dev], xirq, xdma8, xdma16);

 	err = snd_sb8dsp_pcm(chip, 0, NULL);
 	if (err < 0)
 		goto err_free;
 	err = snd_sbmixer_new(chip);
 	if (err < 0)
 		goto err_free;

 	err = snd_opl3_create(card, chip->port, chip->port + 2,
 			      OPL3_HW_AUTO, 1, &opl3);
 	if (err < 0)
 		snd_printk(KERN_WARNING "no OPL device at 0x%lx-0x%lx\n",
 			   chip->port, chip->port + 2);
 	else {
 		err = snd_opl3_hwdep_new(opl3, 0, 1, NULL);
 		if (err < 0)
 			goto err_free;
 	}
 	if (mpu_port[dev] > 0 && mpu_port[dev] != SNDRV_AUTO_PORT) {
 		if (mpu_irq[dev] == SNDRV_AUTO_IRQ)
 			mpu_irq[dev] = -1;

 		if (snd_mpu401_uart_new(card, 0,
 					MPU401_HW_MPU401,
 					mpu_port[dev], 0,
 					mpu_irq[dev],
 					NULL) < 0)
 			snd_printk(KERN_ERR "no MPU-401 device at 0x%lx\n",
 					mpu_port[dev]);
 	}

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

 	dev_set_drvdata(devptr, card);
 	return 0;

 err_free:
 	snd_card_free(card);
 	return err;
 }

 static int snd_jazz16_remove(struct device *devptr, unsigned int dev)
 {
 	struct snd_card *card = dev_get_drvdata(devptr);

 	snd_card_free(card);
 	return 0;
 }

 #ifdef CONFIG_PM
 static int snd_jazz16_suspend(struct device *pdev, unsigned int n,
 			       pm_message_t state)
 {
 	struct snd_card *card = dev_get_drvdata(pdev);
 	struct snd_card_jazz16 *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_jazz16_resume(struct device *pdev, unsigned int n)
 {
 	struct snd_card *card = dev_get_drvdata(pdev);
 	struct snd_card_jazz16 *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 isa_driver snd_jazz16_driver = {
 	.match		= snd_jazz16_match,
 	.probe		= snd_jazz16_probe,
 	.remove		= snd_jazz16_remove,
 #ifdef CONFIG_PM
 	.suspend	= snd_jazz16_suspend,
 	.resume		= snd_jazz16_resume,
 #endif
 	.driver		= {
 		.name	= "jazz16"
 	},
 };

 static int __init alsa_card_jazz16_init(void)
 {
 	return isa_register_driver(&snd_jazz16_driver, SNDRV_CARDS);
 }

 static void __exit alsa_card_jazz16_exit(void)
 {
 	isa_unregister_driver(&snd_jazz16_driver);
 }

 module_init(alsa_card_jazz16_init)
 module_exit(alsa_card_jazz16_exit)

	/*
	* jazz16.c - driver for Media Vision Jazz16 based soundcards.
	* Copyright (C) 2009 Krzysztof Helt <krzysztof.h1@wp.pl>
	* Based on patches posted by Rask Ingemann Lambertsen and Rene Herman.
	* Based on OSS Sound Blaster driver.
	*
	* This file is subject to the terms and conditions of the GNU General Public
	* License. See the file COPYING in the main directory of this archive for
	* more details.
	*
	*/

	#include <linux/init.h>
	#include <linux/module.h>
	#include <linux/io.h>
	#include <linux/delay.h>
	#include <asm/dma.h>
	#include <linux/isa.h>
	#include <sound/core.h>
	#include <sound/mpu401.h>
	#include <sound/opl3.h>
	#include <sound/sb.h>
	#define SNDRV_LEGACY_FIND_FREE_IRQ
	#define SNDRV_LEGACY_FIND_FREE_DMA
	#include <sound/initval.h>

	#define PFX "jazz16: "

	MODULE_DESCRIPTION("Media Vision Jazz16");
	MODULE_SUPPORTED_DEVICE("{{Media Vision ??? },"
	"{RTL,RTL3000}}");

	MODULE_AUTHOR("Krzysztof Helt <krzysztof.h1@wp.pl>");
	MODULE_LICENSE("GPL");

	static int index[SNDRV_CARDS] = SNDRV_DEFAULT_IDX; /* Index 0-MAX */
	static char id[SNDRV_CARDS] = SNDRV_DEFAULT_STR; / ID for this card */
	static bool enable[SNDRV_CARDS] = SNDRV_DEFAULT_ENABLE; /* Enable this card */
	static unsigned long port[SNDRV_CARDS] = SNDRV_DEFAULT_PORT;
	static unsigned long mpu_port[SNDRV_CARDS] = SNDRV_DEFAULT_PORT;
	static int irq[SNDRV_CARDS] = SNDRV_DEFAULT_IRQ;
	static int mpu_irq[SNDRV_CARDS] = SNDRV_DEFAULT_IRQ;
	static int dma8[SNDRV_CARDS] = SNDRV_DEFAULT_DMA;
	static int dma16[SNDRV_CARDS] = SNDRV_DEFAULT_DMA;

	module_param_array(index, int, NULL, 0444);
	MODULE_PARM_DESC(index, "Index value for Media Vision Jazz16 based soundcard.");
	module_param_array(id, charp, NULL, 0444);
	MODULE_PARM_DESC(id, "ID string for Media Vision Jazz16 based soundcard.");
	module_param_array(enable, bool, NULL, 0444);
	MODULE_PARM_DESC(enable, "Enable Media Vision Jazz16 based soundcard.");
	module_param_array(port, long, NULL, 0444);
	MODULE_PARM_DESC(port, "Port # for jazz16 driver.");
	module_param_array(mpu_port, long, NULL, 0444);
	MODULE_PARM_DESC(mpu_port, "MPU-401 port # for jazz16 driver.");
	module_param_array(irq, int, NULL, 0444);
	MODULE_PARM_DESC(irq, "IRQ # for jazz16 driver.");
	module_param_array(mpu_irq, int, NULL, 0444);
	MODULE_PARM_DESC(mpu_irq, "MPU-401 IRQ # for jazz16 driver.");
	module_param_array(dma8, int, NULL, 0444);
	MODULE_PARM_DESC(dma8, "DMA8 # for jazz16 driver.");
	module_param_array(dma16, int, NULL, 0444);
	MODULE_PARM_DESC(dma16, "DMA16 # for jazz16 driver.");

	#define SB_JAZZ16_WAKEUP 0xaf
	#define SB_JAZZ16_SET_PORTS 0x50
	#define SB_DSP_GET_JAZZ_BRD_REV 0xfa
	#define SB_JAZZ16_SET_DMAINTR 0xfb
	#define SB_DSP_GET_JAZZ_MODEL 0xfe

	struct snd_card_jazz16 {
	struct snd_sb *chip;
	};

	static irqreturn_t jazz16_interrupt(int irq, void *chip)
	{
	return snd_sb8dsp_interrupt(chip);
	}

	static int jazz16_configure_ports(unsigned long port,
	unsigned long mpu_port, int idx)
	{
	unsigned char val;

	if (!request_region(0x201, 1, "jazz16 config")) {
	snd_printk(KERN_ERR "config port region is already in use.\n");
	return -EBUSY;
	}
	outb(SB_JAZZ16_WAKEUP - idx, 0x201);
	udelay(100);
	outb(SB_JAZZ16_SET_PORTS + idx, 0x201);
	udelay(100);
	val = port & 0x70;
	val \|= (mpu_port & 0x30) >> 4;
	outb(val, 0x201);

	release_region(0x201, 1);
	return 0;
	}

	static int jazz16_detect_board(unsigned long port,
	unsigned long mpu_port)
	{
	int err;
	int val;
	struct snd_sb chip;

	if (!request_region(port, 0x10, "jazz16")) {
	snd_printk(KERN_ERR "I/O port region is already in use.\n");
	return -EBUSY;
	}
	/* just to call snd_sbdsp_command/reset/get_byte() */
	chip.port = port;

	err = snd_sbdsp_reset(&chip);
	if (err < 0)
	for (val = 0; val < 4; val++) {
	err = jazz16_configure_ports(port, mpu_port, val);
	if (err < 0)
	break;

	err = snd_sbdsp_reset(&chip);
	if (!err)
	break;
	}
	if (err < 0) {
	err = -ENODEV;
	goto err_unmap;
	}
	if (!snd_sbdsp_command(&chip, SB_DSP_GET_JAZZ_BRD_REV)) {
	err = -EBUSY;
	goto err_unmap;
	}
	val = snd_sbdsp_get_byte(&chip);
	if (val >= 0x30)
	snd_sbdsp_get_byte(&chip);

	if ((val & 0xf0) != 0x10) {
	err = -ENODEV;
	goto err_unmap;
	}
	if (!snd_sbdsp_command(&chip, SB_DSP_GET_JAZZ_MODEL)) {
	err = -EBUSY;
	goto err_unmap;
	}
	snd_sbdsp_get_byte(&chip);
	err = snd_sbdsp_get_byte(&chip);
	snd_printd("Media Vision Jazz16 board detected: rev 0x%x, model 0x%x\n",
	val, err);

	err = 0;

	err_unmap:
	release_region(port, 0x10);
	return err;
	}

	static int jazz16_configure_board(struct snd_sb *chip, int mpu_irq)
	{
	static unsigned char jazz_irq_bits[] = { 0, 0, 2, 3, 0, 1, 0, 4,
	0, 2, 5, 0, 0, 0, 0, 6 };
	static unsigned char jazz_dma_bits[] = { 0, 1, 0, 2, 0, 3, 0, 4 };

	if (jazz_dma_bits[chip->dma8] == 0 \|\|
	jazz_dma_bits[chip->dma16] == 0 \|\|
	jazz_irq_bits[chip->irq] == 0)
	return -EINVAL;

	if (!snd_sbdsp_command(chip, SB_JAZZ16_SET_DMAINTR))
	return -EBUSY;

	if (!snd_sbdsp_command(chip,
	jazz_dma_bits[chip->dma8] \|
	(jazz_dma_bits[chip->dma16] << 4)))
	return -EBUSY;

	if (!snd_sbdsp_command(chip,
	jazz_irq_bits[chip->irq] \|
	(jazz_irq_bits[mpu_irq] << 4)))
	return -EBUSY;

	return 0;
	}

	static int snd_jazz16_match(struct device *devptr, unsigned int dev)
	{
	if (!enable[dev])
	return 0;
	if (port[dev] == SNDRV_AUTO_PORT) {
	snd_printk(KERN_ERR "please specify port\n");
	return 0;
	} else if (port[dev] == 0x200 \|\| (port[dev] & ~0x270)) {
	snd_printk(KERN_ERR "incorrect port specified\n");
	return 0;
	}
	if (dma8[dev] != SNDRV_AUTO_DMA &&
	dma8[dev] != 1 && dma8[dev] != 3) {
	snd_printk(KERN_ERR "dma8 must be 1 or 3\n");
	return 0;
	}
	if (dma16[dev] != SNDRV_AUTO_DMA &&
	dma16[dev] != 5 && dma16[dev] != 7) {
	snd_printk(KERN_ERR "dma16 must be 5 or 7\n");
	return 0;
	}
	if (mpu_port[dev] != SNDRV_AUTO_PORT &&
	(mpu_port[dev] & ~0x030) != 0x300) {
	snd_printk(KERN_ERR "incorrect mpu_port specified\n");
	return 0;
	}
	if (mpu_irq[dev] != SNDRV_AUTO_DMA &&
	mpu_irq[dev] != 2 && mpu_irq[dev] != 3 &&
	mpu_irq[dev] != 5 && mpu_irq[dev] != 7) {
	snd_printk(KERN_ERR "mpu_irq must be 2, 3, 5 or 7\n");
	return 0;
	}
	return 1;
	}

	static int snd_jazz16_probe(struct device *devptr, unsigned int dev)
	{
	struct snd_card *card;
	struct snd_card_jazz16 *jazz16;
	struct snd_sb *chip;
	struct snd_opl3 *opl3;
	static int possible_irqs[] = {2, 3, 5, 7, 9, 10, 15, -1};
	static int possible_dmas8[] = {1, 3, -1};
	static int possible_dmas16[] = {5, 7, -1};
	int err, xirq, xdma8, xdma16, xmpu_port, xmpu_irq;

	err = snd_card_new(devptr, index[dev], id[dev], THIS_MODULE,
	sizeof(struct snd_card_jazz16), &card);
	if (err < 0)
	return err;

	jazz16 = card->private_data;

	xirq = irq[dev];
	if (xirq == SNDRV_AUTO_IRQ) {
	xirq = snd_legacy_find_free_irq(possible_irqs);
	if (xirq < 0) {
	snd_printk(KERN_ERR "unable to find a free IRQ\n");
	err = -EBUSY;
	goto err_free;
	}
	}
	xdma8 = dma8[dev];
	if (xdma8 == SNDRV_AUTO_DMA) {
	xdma8 = snd_legacy_find_free_dma(possible_dmas8);
	if (xdma8 < 0) {
	snd_printk(KERN_ERR "unable to find a free DMA8\n");
	err = -EBUSY;
	goto err_free;
	}
	}
	xdma16 = dma16[dev];
	if (xdma16 == SNDRV_AUTO_DMA) {
	xdma16 = snd_legacy_find_free_dma(possible_dmas16);
	if (xdma16 < 0) {
	snd_printk(KERN_ERR "unable to find a free DMA16\n");
	err = -EBUSY;
	goto err_free;
	}
	}

	xmpu_port = mpu_port[dev];
	if (xmpu_port == SNDRV_AUTO_PORT)
	xmpu_port = 0;
	err = jazz16_detect_board(port[dev], xmpu_port);
	if (err < 0) {
	printk(KERN_ERR "Media Vision Jazz16 board not detected\n");
	goto err_free;
	}
	err = snd_sbdsp_create(card, port[dev], irq[dev],
	jazz16_interrupt,
	dma8[dev], dma16[dev],
	SB_HW_JAZZ16,
	&chip);
	if (err < 0)
	goto err_free;

	xmpu_irq = mpu_irq[dev];
	if (xmpu_irq == SNDRV_AUTO_IRQ \|\| mpu_port[dev] == SNDRV_AUTO_PORT)
	xmpu_irq = 0;
	err = jazz16_configure_board(chip, xmpu_irq);
	if (err < 0) {
	printk(KERN_ERR "Media Vision Jazz16 configuration failed\n");
	goto err_free;
	}

	jazz16->chip = chip;

	strcpy(card->driver, "jazz16");
	strcpy(card->shortname, "Media Vision Jazz16");
	sprintf(card->longname,
	"Media Vision Jazz16 at 0x%lx, irq %d, dma8 %d, dma16 %d",
	port[dev], xirq, xdma8, xdma16);

	err = snd_sb8dsp_pcm(chip, 0, NULL);
	if (err < 0)
	goto err_free;
	err = snd_sbmixer_new(chip);
	if (err < 0)
	goto err_free;

	err = snd_opl3_create(card, chip->port, chip->port + 2,
	OPL3_HW_AUTO, 1, &opl3);
	if (err < 0)
	snd_printk(KERN_WARNING "no OPL device at 0x%lx-0x%lx\n",
	chip->port, chip->port + 2);
	else {
	err = snd_opl3_hwdep_new(opl3, 0, 1, NULL);
	if (err < 0)
	goto err_free;
	}
	if (mpu_port[dev] > 0 && mpu_port[dev] != SNDRV_AUTO_PORT) {
	if (mpu_irq[dev] == SNDRV_AUTO_IRQ)
	mpu_irq[dev] = -1;

	if (snd_mpu401_uart_new(card, 0,
	MPU401_HW_MPU401,
	mpu_port[dev], 0,
	mpu_irq[dev],
	NULL) < 0)
	snd_printk(KERN_ERR "no MPU-401 device at 0x%lx\n",
	mpu_port[dev]);
	}

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

	dev_set_drvdata(devptr, card);
	return 0;

	err_free:
	snd_card_free(card);
	return err;
	}

	static int snd_jazz16_remove(struct device *devptr, unsigned int dev)
	{
	struct snd_card *card = dev_get_drvdata(devptr);

	snd_card_free(card);
	return 0;
	}

	#ifdef CONFIG_PM
	static int snd_jazz16_suspend(struct device *pdev, unsigned int n,
	pm_message_t state)
	{
	struct snd_card *card = dev_get_drvdata(pdev);
	struct snd_card_jazz16 *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_jazz16_resume(struct device *pdev, unsigned int n)
	{
	struct snd_card *card = dev_get_drvdata(pdev);
	struct snd_card_jazz16 *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 isa_driver snd_jazz16_driver = {
	.match = snd_jazz16_match,
	.probe = snd_jazz16_probe,
	.remove = snd_jazz16_remove,
	#ifdef CONFIG_PM
	.suspend = snd_jazz16_suspend,
	.resume = snd_jazz16_resume,
	#endif
	.driver = {
	.name = "jazz16"
	},
	};

	static int __init alsa_card_jazz16_init(void)
	{
	return isa_register_driver(&snd_jazz16_driver, SNDRV_CARDS);
	}

	static void __exit alsa_card_jazz16_exit(void)
	{
	isa_unregister_driver(&snd_jazz16_driver);
	}

	module_init(alsa_card_jazz16_init)
	module_exit(alsa_card_jazz16_exit)