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Commit e307258d authored by Krzysztof Helt's avatar Krzysztof Helt Committed by Jaroslav Kysela
Browse files

[ALSA] Gallant SC-6000 driver 



This is port of the Gallant SC-6000 driver from the OSS aedsp16 driver.
This card was also sold as AudioExcel DSP 16 and Zoltrix AV302 (Audio
Plus True 16).

Signed-off-by: default avatarKrzysztof Helt <krzysztof.h1@wp.pl>
Signed-off-by: default avatarTakashi Iwai <tiwai@suse.de>
Signed-off-by: default avatarJaroslav Kysela <perex@suse.cz>
parent e8a7f136

sound/isa/Kconfig

+13 −0
Original line number Diff line number Diff line
@@ -191,6 +191,19 @@ config SND_ES18XX 
	  To compile this driver as a module, choose M here: the module

	  will be called snd-es18xx.



config SND_SC6000

	tristate "Gallant SC-6000, Audio Excel DSP 16"

	depends on SND

	select SND_AD1848_LIB

	select SND_OPL3_LIB

	select SND_MPU401_UART

	help

	  Say Y here to include support for Gallant SC-6000 card and clones:

	  Audio Excel DSP 16 and Zoltrix AV302.



	  To compile this driver as a module, choose M here: the module

	  will be called snd-sc6000.



config SND_GUS_SYNTH

	tristate

sound/isa/Makefile

+2 −0
Original line number Diff line number Diff line
@@ -10,6 +10,7 @@ snd-cmi8330-objs := cmi8330.o 
snd-dt019x-objs := dt019x.o

snd-es18xx-objs := es18xx.o

snd-opl3sa2-objs := opl3sa2.o

snd-sc6000-objs := sc6000.o

snd-sgalaxy-objs := sgalaxy.o

snd-sscape-objs := sscape.o
@@ -21,6 +22,7 @@ obj-$(CONFIG_SND_CMI8330) += snd-cmi8330.o 
obj-$(CONFIG_SND_DT019X) += snd-dt019x.o

obj-$(CONFIG_SND_ES18XX) += snd-es18xx.o

obj-$(CONFIG_SND_OPL3SA2) += snd-opl3sa2.o

obj-$(CONFIG_SND_SC6000) += snd-sc6000.o

obj-$(CONFIG_SND_SGALAXY) += snd-sgalaxy.o

obj-$(CONFIG_SND_SSCAPE) += snd-sscape.o

sound/isa/sc6000.c

0 → 100644
+654 −0
Original line number Diff line number Diff line 
/*

 *  Driver for Gallant SC-6000 soundcard. This card is also known as

 *  Audio Excel DSP 16 or Zoltrix AV302.

 *  These cards use CompuMedia ASC-9308 chip + AD1848 codec.

 *

 *  Copyright (C) 2007 Krzysztof Helt <krzysztof.h1@wp.pl>

 *

 *  I don't have documentation for this card. I used the driver

 *  for OSS/Free included in the kernel source as reference.

 *

 *  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/module.h>

#include <linux/isa.h>

#include <linux/io.h>

#include <asm/dma.h>

#include <sound/core.h>

#include <sound/ad1848.h>

#include <sound/opl3.h>

#include <sound/mpu401.h>

#include <sound/control.h>

#define SNDRV_LEGACY_FIND_FREE_IRQ

#define SNDRV_LEGACY_FIND_FREE_DMA

#include <sound/initval.h>



MODULE_AUTHOR("Krzysztof Helt");

MODULE_DESCRIPTION("Gallant SC-6000");

MODULE_LICENSE("GPL");

MODULE_SUPPORTED_DEVICE("{{Gallant, SC-6000},"

			"{AudioExcel, Audio Excel DSP 16},"

			"{Zoltrix, AV302}}");



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 */

static int irq[SNDRV_CARDS] = SNDRV_DEFAULT_IRQ;	/* 5, 7, 9, 10, 11 */

static long mss_port[SNDRV_CARDS] = SNDRV_DEFAULT_PORT;	/* 0x530, 0xe80 */

static long mpu_port[SNDRV_CARDS] = SNDRV_DEFAULT_PORT;

						/* 0x300, 0x310, 0x320, 0x330 */

static int mpu_irq[SNDRV_CARDS] = SNDRV_DEFAULT_IRQ;	/* 5, 7, 9, 10, 0 */

static int dma[SNDRV_CARDS] = SNDRV_DEFAULT_DMA;	/* 0, 1, 3 */



module_param_array(index, int, NULL, 0444);

MODULE_PARM_DESC(index, "Index value for sc-6000 based soundcard.");

module_param_array(id, charp, NULL, 0444);

MODULE_PARM_DESC(id, "ID string for sc-6000 based soundcard.");

module_param_array(enable, bool, NULL, 0444);

MODULE_PARM_DESC(enable, "Enable sc-6000 based soundcard.");

module_param_array(port, long, NULL, 0444);

MODULE_PARM_DESC(port, "Port # for sc-6000 driver.");

module_param_array(mss_port, long, NULL, 0444);

MODULE_PARM_DESC(mss_port, "MSS Port # for sc-6000 driver.");

module_param_array(mpu_port, long, NULL, 0444);

MODULE_PARM_DESC(mpu_port, "MPU-401 port # for sc-6000 driver.");

module_param_array(irq, int, NULL, 0444);

MODULE_PARM_DESC(irq, "IRQ # for sc-6000 driver.");

module_param_array(mpu_irq, int, NULL, 0444);

MODULE_PARM_DESC(mpu_irq, "MPU-401 IRQ # for sc-6000 driver.");

module_param_array(dma, int, NULL, 0444);

MODULE_PARM_DESC(dma, "DMA # for sc-6000 driver.");



/*

 * Commands of SC6000's DSP (SBPRO+special).

 * Some of them are COMMAND_xx, in the future they may change.

 */

#define WRITE_MDIRQ_CFG	0x50	/* Set M&I&DRQ mask (the real config)	*/

#define COMMAND_52	0x52	/*					*/

#define READ_HARD_CFG	0x58	/* Read Hardware Config (I/O base etc)	*/

#define COMMAND_5C	0x5c	/*					*/

#define COMMAND_60	0x60	/*					*/

#define COMMAND_66	0x66	/*					*/

#define COMMAND_6C	0x6c	/*					*/

#define COMMAND_6E	0x6e	/*					*/

#define COMMAND_88	0x88	/* Unknown command 			*/

#define DSP_INIT_MSS	0x8c	/* Enable Microsoft Sound System mode	*/

#define COMMAND_C5	0xc5	/*					*/

#define GET_DSP_VERSION	0xe1	/* Get DSP Version			*/

#define GET_DSP_COPYRIGHT 0xe3	/* Get DSP Copyright			*/



/*

 * Offsets of SC6000 DSP I/O ports. The offset is added to base I/O port

 * to have the actual I/O port.

 * Register permissions are:

 * (wo) == Write Only

 * (ro) == Read  Only

 * (w-) == Write

 * (r-) == Read

 */

#define DSP_RESET	0x06	/* offset of DSP RESET		(wo) */

#define DSP_READ	0x0a	/* offset of DSP READ		(ro) */

#define DSP_WRITE	0x0c	/* offset of DSP WRITE		(w-) */

#define DSP_COMMAND	0x0c	/* offset of DSP COMMAND	(w-) */

#define DSP_STATUS	0x0c	/* offset of DSP STATUS		(r-) */

#define DSP_DATAVAIL	0x0e	/* offset of DSP DATA AVAILABLE	(ro) */



#define PFX "sc6000: "

#define DRV_NAME "SC-6000"



/* hardware dependent functions */



/*

 * sc6000_irq_to_softcfg - Decode irq number into cfg code.

 */

static __devinit unsigned char sc6000_irq_to_softcfg(int irq)

{

	unsigned char val = 0;



	switch (irq) {

	case 5:

		val = 0x28;

		break;

	case 7:

		val = 0x8;

		break;

	case 9:

		val = 0x10;

		break;

	case 10:

		val = 0x18;

		break;

	case 11:

		val = 0x20;

		break;

	default:

		break;

	}

	return val;

}



/*

 * sc6000_dma_to_softcfg - Decode dma number into cfg code.

 */

static __devinit unsigned char sc6000_dma_to_softcfg(int dma)

{

	unsigned char val = 0;



	switch (dma) {

	case 0:

		val = 1;

		break;

	case 1:

		val = 2;

		break;

	case 3:

		val = 3;

		break;

	default:

		break;

	}

	return val;

}



/*

 * sc6000_mpu_irq_to_softcfg - Decode MPU-401 irq number into cfg code.

 */

static __devinit unsigned char sc6000_mpu_irq_to_softcfg(int mpu_irq)

{

	unsigned char val = 0;



	switch (mpu_irq) {

	case 5:

		val = 4;

		break;

	case 7:

		val = 0x44;

		break;

	case 9:

		val = 0x84;

		break;

	case 10:

		val = 0xc4;

		break;

	default:

		break;

	}

	return val;

}



static __devinit int sc6000_wait_data(char __iomem *vport)

{

	int loop = 1000;

	unsigned char val = 0;



	do {

		val = ioread8(vport + DSP_DATAVAIL);

		if (val & 0x80)

			return 0;

		cpu_relax();

	} while (loop--);



	return -EAGAIN;

}



static __devinit int sc6000_read(char __iomem *vport)

{

	if (sc6000_wait_data(vport))

		return -EBUSY;



	return ioread8(vport + DSP_READ);



}



static __devinit int sc6000_write(char __iomem *vport, int cmd)

{

	unsigned char val;

	int loop = 500000;



	do {

		val = ioread8(vport + DSP_STATUS);

		/*

		 * DSP ready to receive data if bit 7 of val == 0

		 */

		if (!(val & 0x80)) {

			iowrite8(cmd, vport + DSP_COMMAND);

			return 0;

		}

		cpu_relax();

	} while (loop--);



	snd_printk(KERN_ERR "DSP Command (0x%x) timeout.\n", cmd);



	return -EIO;

}



static int __devinit sc6000_dsp_get_answer(char __iomem *vport, int command,

					   char *data, int data_len)

{

	int len = 0;



	if (sc6000_write(vport, command)) {

		snd_printk(KERN_ERR "CMD 0x%x: failed!\n", command);

		return -EIO;

	}



	do {

		int val = sc6000_read(vport);



		if (val < 0)

			break;



		data[len++] = val;



	} while (len < data_len);



	/*

	 * If no more data available, return to the caller, no error if len>0.

	 * We have no other way to know when the string is finished.

	 */

	return len ? len : -EIO;

}



static int __devinit sc6000_dsp_reset(char __iomem *vport)

{

	iowrite8(1, vport + DSP_RESET);

	udelay(10);

	iowrite8(0, vport + DSP_RESET);

	udelay(20);

	if (sc6000_read(vport) == 0xaa)

		return 0;

	return -ENODEV;

}



/* detection and initialization */

static int __devinit sc6000_cfg_write(char __iomem *vport,

				      unsigned char softcfg)

{



	if (sc6000_write(vport, WRITE_MDIRQ_CFG)) {

		snd_printk(KERN_ERR "CMD 0x%x: failed!\n", WRITE_MDIRQ_CFG);

		return -EIO;

	}

	if (sc6000_write(vport, softcfg)) {

		snd_printk(KERN_ERR "sc6000_cfg_write: failed!\n");

		return -EIO;

	}

	return 0;

}



static int __devinit sc6000_setup_board(char __iomem *vport, int config)

{

	int loop = 10;



	do {

		if (sc6000_write(vport, COMMAND_88)) {

			snd_printk(KERN_ERR "CMD 0x%x: failed!\n",

				   COMMAND_88);

			return -EIO;

		}

	} while ((sc6000_wait_data(vport) < 0) && loop--);



	if (sc6000_read(vport) < 0) {

		snd_printk(KERN_ERR "sc6000_read after CMD 0x%x: failed\n",

			   COMMAND_88);

		return -EIO;

	}



	if (sc6000_cfg_write(vport, config))

		return -ENODEV;



	return 0;

}



static int __devinit sc6000_init_mss(char __iomem *vport, int config,

				     char __iomem *vmss_port, int mss_config)

{

	if (sc6000_write(vport, DSP_INIT_MSS)) {

		snd_printk(KERN_ERR "sc6000_init_mss [0x%x]: failed!\n",

			   DSP_INIT_MSS);

		return -EIO;

	}



	msleep(10);



	if (sc6000_cfg_write(vport, config))

		return -EIO;



	iowrite8(mss_config, vmss_port);



	return 0;

}



static int __devinit sc6000_init_board(char __iomem *vport, int irq, int dma,

					char __iomem *vmss_port, int mpu_irq)

{

	char answer[15];

	char version[2];

	int mss_config = sc6000_irq_to_softcfg(irq) |

			 sc6000_dma_to_softcfg(dma);

	int config = mss_config |

		     sc6000_mpu_irq_to_softcfg(mpu_irq);

	int err;



	err = sc6000_dsp_reset(vport);

	if (err < 0) {

		snd_printk(KERN_ERR "sc6000_dsp_reset: failed!\n");

		return err;

	}



	err = sc6000_dsp_get_answer(vport, GET_DSP_COPYRIGHT, answer, 15);

	if (err <= 0) {

		snd_printk(KERN_ERR "sc6000_dsp_copyright: failed!\n");

		return -ENODEV;

	}

	/*

	 * My SC-6000 card return "SC-6000" in DSPCopyright, so

	 * if we have something different, we have to be warned.

	 * Mine returns "SC-6000A " - KH

	 */

	if (strncmp("SC-6000", answer, 7))

		snd_printk(KERN_WARNING "Warning: non SC-6000 audio card!\n");



	if (sc6000_dsp_get_answer(vport, GET_DSP_VERSION, version, 2) < 2) {

		snd_printk(KERN_ERR "sc6000_dsp_version: failed!\n");

		return -ENODEV;

	}

	printk(KERN_INFO PFX "Detected model: %s, DSP version %d.%d\n",

		answer, version[0], version[1]);



	/*

	 * 0x0A == (IRQ 7, DMA 1, MIRQ 0)

	 */

	err = sc6000_cfg_write(vport, 0x0a);

	if (err < 0) {

		snd_printk(KERN_ERR "sc6000_cfg_write: failed!\n");

		return -EFAULT;

	}



	err = sc6000_setup_board(vport, config);

	if (err < 0) {

		snd_printk(KERN_ERR "sc6000_setup_board: failed!\n");

		return -ENODEV;

	}



	err = sc6000_init_mss(vport, config, vmss_port, mss_config);

	if (err < 0) {

		snd_printk(KERN_ERR "Can not initialize"

			   "Microsoft Sound System mode.\n");

		return -ENODEV;

	}



	return 0;

}



static int __devinit snd_sc6000_mixer(struct snd_ad1848 *chip)

{

	struct snd_card *card = chip->card;

	struct snd_ctl_elem_id id1, id2;

	int err;



	memset(&id1, 0, sizeof(id1));

	memset(&id2, 0, sizeof(id2));

	id1.iface = SNDRV_CTL_ELEM_IFACE_MIXER;

	id2.iface = SNDRV_CTL_ELEM_IFACE_MIXER;

	/* reassign AUX0 to FM */

	strcpy(id1.name, "Aux Playback Switch");

	strcpy(id2.name, "FM Playback Switch");

	err = snd_ctl_rename_id(card, &id1, &id2);

	if (err < 0)

		return err;

	strcpy(id1.name, "Aux Playback Volume");

	strcpy(id2.name, "FM Playback Volume");

	err = snd_ctl_rename_id(card, &id1, &id2);

	if (err < 0)

		return err;

	/* reassign AUX1 to CD */

	strcpy(id1.name, "Aux Playback Switch"); id1.index = 1;

	strcpy(id2.name, "CD Playback Switch");

	err = snd_ctl_rename_id(card, &id1, &id2);

	if (err < 0)

		return err;

	strcpy(id1.name, "Aux Playback Volume");

	strcpy(id2.name, "CD Playback Volume");

	err = snd_ctl_rename_id(card, &id1, &id2);

	if (err < 0)

		return err;

	return 0;

}



static int __devinit snd_sc6000_match(struct device *devptr, unsigned int dev)

{

	if (!enable[dev])

		return 0;

	if (port[dev] == SNDRV_AUTO_PORT) {

		printk(KERN_ERR PFX "specify IO port\n");

		return 0;

	}

	if (mss_port[dev] == SNDRV_AUTO_PORT) {

		printk(KERN_ERR PFX "specify MSS port\n");

		return 0;

	}

	if (port[dev] != 0x220 && port[dev] != 0x240) {

		printk(KERN_ERR PFX "Port must be 0x220 or 0x240\n");

		return 0;

	}

	if (mss_port[dev] != 0x530 && mss_port[dev] != 0xe80) {

		printk(KERN_ERR PFX "MSS port must be 0x530 or 0xe80\n");

		return 0;

	}

	if (irq[dev] != SNDRV_AUTO_IRQ && !sc6000_irq_to_softcfg(irq[dev])) {

		printk(KERN_ERR PFX "invalid IRQ %d\n", irq[dev]);

		return 0;

	}

	if (dma[dev] != SNDRV_AUTO_DMA && !sc6000_dma_to_softcfg(dma[dev])) {

		printk(KERN_ERR PFX "invalid DMA %d\n", dma[dev]);

		return 0;

	}

	if (mpu_port[dev] != SNDRV_AUTO_PORT &&

	    (mpu_port[dev] & ~0x30L) != 0x300) {

		printk(KERN_ERR PFX "invalid MPU-401 port %lx\n",

			mpu_port[dev]);

		return 0;

	}

	if (mpu_port[dev] != SNDRV_AUTO_PORT &&

	    mpu_irq[dev] != SNDRV_AUTO_IRQ && mpu_irq[dev] != 0 &&

	    !sc6000_mpu_irq_to_softcfg(mpu_irq[dev])) {

		printk(KERN_ERR PFX "invalid MPU-401 IRQ %d\n", mpu_irq[dev]);

		return 0;

	}

	return 1;

}



static int __devinit snd_sc6000_probe(struct device *devptr, unsigned int dev)

{

	static int possible_irqs[] = { 5, 7, 9, 10, 11, -1 };

	static int possible_dmas[] = { 1, 3, 0, -1 };

	int err;

	int xirq = irq[dev];

	int xdma = dma[dev];

	struct snd_card *card;

	struct snd_ad1848 *chip;

	struct snd_opl3 *opl3;

	char __iomem *vport;

	char __iomem *vmss_port;





	card = snd_card_new(index[dev], id[dev], THIS_MODULE, 0);

	if (!card)

		return -ENOMEM;



	if (xirq == SNDRV_AUTO_IRQ) {

		xirq = snd_legacy_find_free_irq(possible_irqs);

		if (xirq < 0) {

			snd_printk(KERN_ERR PFX "unable to find a free IRQ\n");

			err = -EBUSY;

			goto err_exit;

		}

	}



	if (xdma == SNDRV_AUTO_DMA) {

		xdma = snd_legacy_find_free_dma(possible_dmas);

		if (xdma < 0) {

			snd_printk(KERN_ERR PFX "unable to find a free DMA\n");

			err = -EBUSY;

			goto err_exit;

		}

	}



	if (!request_region(port[dev], 0x10, DRV_NAME)) {

		snd_printk(KERN_ERR PFX

			   "I/O port region is already in use.\n");

		err = -EBUSY;

		goto err_exit;

	}

	vport = devm_ioport_map(devptr, port[dev], 0x10);

	if (!vport) {

		snd_printk(KERN_ERR PFX

			   "I/O port cannot be iomaped.\n");

		err = -EBUSY;

		goto err_unmap1;

	}



	/* to make it marked as used */

	if (!request_region(mss_port[dev], 4, DRV_NAME)) {

		snd_printk(KERN_ERR PFX

			   "SC-6000 port I/O port region is already in use.\n");

		err = -EBUSY;

		goto err_unmap2;

	}

	vmss_port = devm_ioport_map(devptr, mss_port[dev], 4);

	if (!vport) {

		snd_printk(KERN_ERR PFX

			   "MSS port I/O cannot be iomaped.\n");

		err = -EBUSY;

		goto err_unmap2;

	}



	snd_printd("Initializing BASE[0x%lx] IRQ[%d] DMA[%d] MIRQ[%d]\n",

		   port[dev], xirq, xdma,

		   mpu_irq[dev] == SNDRV_AUTO_IRQ ? 0 : mpu_irq[dev]);



	err = sc6000_init_board(vport, xirq, xdma, vmss_port, mpu_irq[dev]);

	if (err < 0)

		goto err_unmap2;



	err = snd_ad1848_create(card, mss_port[dev] + 4, xirq, xdma,

				AD1848_HW_DETECT, &chip);

	if (err < 0)

		goto err_unmap2;

	card->private_data = chip;



	err = snd_ad1848_pcm(chip, 0, NULL);

	if (err < 0) {

		snd_printk(KERN_ERR PFX

			   "error creating new ad1848 PCM device\n");

		goto err_unmap2;

	}

	err = snd_ad1848_mixer(chip);

	if (err < 0) {

		snd_printk(KERN_ERR PFX "error creating new ad1848 mixer\n");

		goto err_unmap2;

	}

	err = snd_sc6000_mixer(chip);

	if (err < 0) {

		snd_printk(KERN_ERR PFX "the mixer rewrite failed\n");

		goto err_unmap2;

	}

	if (snd_opl3_create(card,

			    0x388, 0x388 + 2,

			    OPL3_HW_AUTO, 0, &opl3) < 0) {

		snd_printk(KERN_ERR PFX "no OPL device at 0x%x-0x%x ?\n",

			   0x388, 0x388 + 2);

	} else {

		err = snd_opl3_timer_new(opl3, 0, 1);

		if (err < 0)

			goto err_unmap2;



		err = snd_opl3_hwdep_new(opl3, 0, 1, NULL);

		if (err < 0)

			goto err_unmap2;

	}



	if (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], IRQF_DISABLED,

					NULL) < 0)

			snd_printk(KERN_ERR "no MPU-401 device at 0x%lx ?\n",

					mpu_port[dev]);

	}



	strcpy(card->driver, DRV_NAME);

	strcpy(card->shortname, "SC-6000");

	sprintf(card->longname, "Gallant SC-6000 at 0x%lx, irq %d, dma %d",

		mss_port[dev], xirq, xdma);



	snd_card_set_dev(card, devptr);



	err = snd_card_register(card);

	if (err < 0)

		goto err_unmap2;



	dev_set_drvdata(devptr, card);

	return 0;



err_unmap2:

	release_region(mss_port[dev], 4);

err_unmap1:

	release_region(port[dev], 0x10);

err_exit:

	snd_card_free(card);

	return err;

}



static int __devexit snd_sc6000_remove(struct device *devptr, unsigned int dev)

{

	release_region(port[dev], 0x10);

	release_region(mss_port[dev], 4);



	snd_card_free(dev_get_drvdata(devptr));

	dev_set_drvdata(devptr, NULL);

	return 0;

}



static struct isa_driver snd_sc6000_driver = {

	.match		= snd_sc6000_match,

	.probe		= snd_sc6000_probe,

	.remove		= __devexit_p(snd_sc6000_remove),

	/* FIXME: suspend/resume */

	.driver		= {

		.name	= DRV_NAME,

	},

};





static int __init alsa_card_sc6000_init(void)

{

	return isa_register_driver(&snd_sc6000_driver, SNDRV_CARDS);

}



static void __exit alsa_card_sc6000_exit(void)

{

	isa_unregister_driver(&snd_sc6000_driver);

}



module_init(alsa_card_sc6000_init)

module_exit(alsa_card_sc6000_exit)