sound/pci/emu10k1/emu10k1.c - kernel/msm-4.9 - Gitiles

 /*
  *  The driver for the EMU10K1 (SB Live!) based soundcards
  *  Copyright (c) by Jaroslav Kysela <perex@perex.cz>
  *
  *  Copyright (c) by James Courtier-Dutton <James@superbug.demon.co.uk>
  *      Added support for Audigy 2 Value.
  *
  *
  *   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/pci.h>
 #include <linux/time.h>
 #include <linux/moduleparam.h>
 #include <sound/core.h>
 #include <sound/emu10k1.h>
 #include <sound/initval.h>

 MODULE_AUTHOR("Jaroslav Kysela <perex@perex.cz>");
 MODULE_DESCRIPTION("EMU10K1");
 MODULE_LICENSE("GPL");
 MODULE_SUPPORTED_DEVICE("{{Creative Labs,SB Live!/PCI512/E-mu APS},"
 	       "{Creative Labs,SB Audigy}}");

 #if defined(CONFIG_SND_SEQUENCER) || (defined(MODULE) && defined(CONFIG_SND_SEQUENCER_MODULE))
 #define ENABLE_SYNTH
 #include <sound/emu10k1_synth.h>
 #endif

 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_PNP;	/* Enable this card */
 static int extin[SNDRV_CARDS];
 static int extout[SNDRV_CARDS];
 static int seq_ports[SNDRV_CARDS] = {[0 ... (SNDRV_CARDS - 1)] = 4};
 static int max_synth_voices[SNDRV_CARDS] = {[0 ... (SNDRV_CARDS - 1)] = 64};
 static int max_buffer_size[SNDRV_CARDS] = {[0 ... (SNDRV_CARDS - 1)] = 128};
 static int enable_ir[SNDRV_CARDS];
 static uint subsystem[SNDRV_CARDS]; /* Force card subsystem model */
 static uint delay_pcm_irq[SNDRV_CARDS] = {[0 ... (SNDRV_CARDS - 1)] = 2};

 module_param_array(index, int, NULL, 0444);
 MODULE_PARM_DESC(index, "Index value for the EMU10K1 soundcard.");
 module_param_array(id, charp, NULL, 0444);
 MODULE_PARM_DESC(id, "ID string for the EMU10K1 soundcard.");
 module_param_array(enable, bool, NULL, 0444);
 MODULE_PARM_DESC(enable, "Enable the EMU10K1 soundcard.");
 module_param_array(extin, int, NULL, 0444);
 MODULE_PARM_DESC(extin, "Available external inputs for FX8010. Zero=default.");
 module_param_array(extout, int, NULL, 0444);
 MODULE_PARM_DESC(extout, "Available external outputs for FX8010. Zero=default.");
 module_param_array(seq_ports, int, NULL, 0444);
 MODULE_PARM_DESC(seq_ports, "Allocated sequencer ports for internal synthesizer.");
 module_param_array(max_synth_voices, int, NULL, 0444);
 MODULE_PARM_DESC(max_synth_voices, "Maximum number of voices for WaveTable.");
 module_param_array(max_buffer_size, int, NULL, 0444);
 MODULE_PARM_DESC(max_buffer_size, "Maximum sample buffer size in MB.");
 module_param_array(enable_ir, bool, NULL, 0444);
 MODULE_PARM_DESC(enable_ir, "Enable IR.");
 module_param_array(subsystem, uint, NULL, 0444);
 MODULE_PARM_DESC(subsystem, "Force card subsystem model.");
 module_param_array(delay_pcm_irq, uint, NULL, 0444);
 MODULE_PARM_DESC(delay_pcm_irq, "Delay PCM interrupt by specified number of samples (default 0).");
 /*
  * Class 0401: 1102:0008 (rev 00) Subsystem: 1102:1001 -> Audigy2 Value  Model:SB0400
  */
 static DEFINE_PCI_DEVICE_TABLE(snd_emu10k1_ids) = {
 	{ PCI_VDEVICE(CREATIVE, 0x0002), 0 },	/* EMU10K1 */
 	{ PCI_VDEVICE(CREATIVE, 0x0004), 1 },	/* Audigy */
 	{ PCI_VDEVICE(CREATIVE, 0x0008), 1 },	/* Audigy 2 Value SB0400 */
 	{ 0, }
 };

 /*
  * Audigy 2 Value notes:
  * A_IOCFG Input (GPIO)
  * 0x400  = Front analog jack plugged in. (Green socket)
  * 0x1000 = Read analog jack plugged in. (Black socket)
  * 0x2000 = Center/LFE analog jack plugged in. (Orange socket)
  * A_IOCFG Output (GPIO)
  * 0x60 = Sound out of front Left.
  * Win sets it to 0xXX61
  */

 MODULE_DEVICE_TABLE(pci, snd_emu10k1_ids);

 static int __devinit snd_card_emu10k1_probe(struct pci_dev *pci,
 					    const struct pci_device_id *pci_id)
 {
 	static int dev;
 	struct snd_card *card;
 	struct snd_emu10k1 *emu;
 #ifdef ENABLE_SYNTH
 	struct snd_seq_device *wave = NULL;
 #endif
 	int err;

 	if (dev >= SNDRV_CARDS)
         	return -ENODEV;
 	if (!enable[dev]) {
 		dev++;
 		return -ENOENT;
 	}

 	err = snd_card_create(index[dev], id[dev], THIS_MODULE, 0, &card);
 	if (err < 0)
 		return err;
 	if (max_buffer_size[dev] < 32)
 		max_buffer_size[dev] = 32;
 	else if (max_buffer_size[dev] > 1024)
 		max_buffer_size[dev] = 1024;
 	if ((err = snd_emu10k1_create(card, pci, extin[dev], extout[dev],
 				      (long)max_buffer_size[dev] * 1024 * 1024,
 				      enable_ir[dev], subsystem[dev],
 				      &emu)) < 0)
 		goto error;
 	card->private_data = emu;
 	emu->delay_pcm_irq = delay_pcm_irq[dev] & 0x1f;
 	if ((err = snd_emu10k1_pcm(emu, 0, NULL)) < 0)
 		goto error;
 	if ((err = snd_emu10k1_pcm_mic(emu, 1, NULL)) < 0)
 		goto error;
 	if ((err = snd_emu10k1_pcm_efx(emu, 2, NULL)) < 0)
 		goto error;
 	/* This stores the periods table. */
 	if (emu->card_capabilities->ca0151_chip) { /* P16V */
 		if ((err = snd_dma_alloc_pages(SNDRV_DMA_TYPE_DEV, snd_dma_pci_data(pci),
 					       1024, &emu->p16v_buffer)) < 0)
 			goto error;
 	}

 	if ((err = snd_emu10k1_mixer(emu, 0, 3)) < 0)
 		goto error;

 	if ((err = snd_emu10k1_timer(emu, 0)) < 0)
 		goto error;

 	if ((err = snd_emu10k1_pcm_multi(emu, 3, NULL)) < 0)
 		goto error;
 	if (emu->card_capabilities->ca0151_chip) { /* P16V */
 		if ((err = snd_p16v_pcm(emu, 4, NULL)) < 0)
 			goto error;
 	}
 	if (emu->audigy) {
 		if ((err = snd_emu10k1_audigy_midi(emu)) < 0)
 			goto error;
 	} else {
 		if ((err = snd_emu10k1_midi(emu)) < 0)
 			goto error;
 	}
 	if ((err = snd_emu10k1_fx8010_new(emu, 0, NULL)) < 0)
 		goto error;
 #ifdef ENABLE_SYNTH
 	if (snd_seq_device_new(card, 1, SNDRV_SEQ_DEV_ID_EMU10K1_SYNTH,
 			       sizeof(struct snd_emu10k1_synth_arg), &wave) < 0 ||
 	    wave == NULL) {
 		snd_printk(KERN_WARNING "can't initialize Emu10k1 wavetable synth\n");
 	} else {
 		struct snd_emu10k1_synth_arg *arg;
 		arg = SNDRV_SEQ_DEVICE_ARGPTR(wave);
 		strcpy(wave->name, "Emu-10k1 Synth");
 		arg->hwptr = emu;
 		arg->index = 1;
 		arg->seq_ports = seq_ports[dev];
 		arg->max_voices = max_synth_voices[dev];
 	}
 #endif

 	strcpy(card->driver, emu->card_capabilities->driver);
 	strcpy(card->shortname, emu->card_capabilities->name);
 	snprintf(card->longname, sizeof(card->longname),
 		 "%s (rev.%d, serial:0x%x) at 0x%lx, irq %i",
 		 card->shortname, emu->revision, emu->serial, emu->port, emu->irq);

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

 	pci_set_drvdata(pci, card);
 	dev++;
 	return 0;

  error:
 	snd_card_free(card);
 	return err;
 }

 static void __devexit snd_card_emu10k1_remove(struct pci_dev *pci)
 {
 	snd_card_free(pci_get_drvdata(pci));
 	pci_set_drvdata(pci, NULL);
 }


 #ifdef CONFIG_PM
 static int snd_emu10k1_suspend(struct pci_dev *pci, pm_message_t state)
 {
 	struct snd_card *card = pci_get_drvdata(pci);
 	struct snd_emu10k1 *emu = card->private_data;

 	snd_power_change_state(card, SNDRV_CTL_POWER_D3hot);

 	snd_pcm_suspend_all(emu->pcm);
 	snd_pcm_suspend_all(emu->pcm_mic);
 	snd_pcm_suspend_all(emu->pcm_efx);
 	snd_pcm_suspend_all(emu->pcm_multi);
 	snd_pcm_suspend_all(emu->pcm_p16v);

 	snd_ac97_suspend(emu->ac97);

 	snd_emu10k1_efx_suspend(emu);
 	snd_emu10k1_suspend_regs(emu);
 	if (emu->card_capabilities->ca0151_chip)
 		snd_p16v_suspend(emu);

 	snd_emu10k1_done(emu);

 	pci_disable_device(pci);
 	pci_save_state(pci);
 	pci_set_power_state(pci, pci_choose_state(pci, state));
 	return 0;
 }

 static int snd_emu10k1_resume(struct pci_dev *pci)
 {
 	struct snd_card *card = pci_get_drvdata(pci);
 	struct snd_emu10k1 *emu = card->private_data;

 	pci_set_power_state(pci, PCI_D0);
 	pci_restore_state(pci);
 	if (pci_enable_device(pci) < 0) {
 		printk(KERN_ERR "emu10k1: pci_enable_device failed, "
 		       "disabling device\n");
 		snd_card_disconnect(card);
 		return -EIO;
 	}
 	pci_set_master(pci);

 	snd_emu10k1_resume_init(emu);
 	snd_emu10k1_efx_resume(emu);
 	snd_ac97_resume(emu->ac97);
 	snd_emu10k1_resume_regs(emu);

 	if (emu->card_capabilities->ca0151_chip)
 		snd_p16v_resume(emu);

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

 static struct pci_driver driver = {
 	.name = "EMU10K1_Audigy",
 	.id_table = snd_emu10k1_ids,
 	.probe = snd_card_emu10k1_probe,
 	.remove = __devexit_p(snd_card_emu10k1_remove),
 #ifdef CONFIG_PM
 	.suspend = snd_emu10k1_suspend,
 	.resume = snd_emu10k1_resume,
 #endif
 };

 static int __init alsa_card_emu10k1_init(void)
 {
 	return pci_register_driver(&driver);
 }

 static void __exit alsa_card_emu10k1_exit(void)
 {
 	pci_unregister_driver(&driver);
 }

 module_init(alsa_card_emu10k1_init)
 module_exit(alsa_card_emu10k1_exit)
	/*
	* The driver for the EMU10K1 (SB Live!) based soundcards
	* Copyright (c) by Jaroslav Kysela <perex@perex.cz>
	*
	* Copyright (c) by James Courtier-Dutton <James@superbug.demon.co.uk>
	* Added support for Audigy 2 Value.
	*
	*
	* 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/pci.h>
	#include <linux/time.h>
	#include <linux/moduleparam.h>
	#include <sound/core.h>
	#include <sound/emu10k1.h>
	#include <sound/initval.h>

	MODULE_AUTHOR("Jaroslav Kysela <perex@perex.cz>");
	MODULE_DESCRIPTION("EMU10K1");
	MODULE_LICENSE("GPL");
	MODULE_SUPPORTED_DEVICE("{{Creative Labs,SB Live!/PCI512/E-mu APS},"
	"{Creative Labs,SB Audigy}}");

	#if defined(CONFIG_SND_SEQUENCER) \|\| (defined(MODULE) && defined(CONFIG_SND_SEQUENCER_MODULE))
	#define ENABLE_SYNTH
	#include <sound/emu10k1_synth.h>
	#endif

	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_PNP; /* Enable this card */
	static int extin[SNDRV_CARDS];
	static int extout[SNDRV_CARDS];
	static int seq_ports[SNDRV_CARDS] = {[0 ... (SNDRV_CARDS - 1)] = 4};
	static int max_synth_voices[SNDRV_CARDS] = {[0 ... (SNDRV_CARDS - 1)] = 64};
	static int max_buffer_size[SNDRV_CARDS] = {[0 ... (SNDRV_CARDS - 1)] = 128};
	static int enable_ir[SNDRV_CARDS];
	static uint subsystem[SNDRV_CARDS]; /* Force card subsystem model */
	static uint delay_pcm_irq[SNDRV_CARDS] = {[0 ... (SNDRV_CARDS - 1)] = 2};

	module_param_array(index, int, NULL, 0444);
	MODULE_PARM_DESC(index, "Index value for the EMU10K1 soundcard.");
	module_param_array(id, charp, NULL, 0444);
	MODULE_PARM_DESC(id, "ID string for the EMU10K1 soundcard.");
	module_param_array(enable, bool, NULL, 0444);
	MODULE_PARM_DESC(enable, "Enable the EMU10K1 soundcard.");
	module_param_array(extin, int, NULL, 0444);
	MODULE_PARM_DESC(extin, "Available external inputs for FX8010. Zero=default.");
	module_param_array(extout, int, NULL, 0444);
	MODULE_PARM_DESC(extout, "Available external outputs for FX8010. Zero=default.");
	module_param_array(seq_ports, int, NULL, 0444);
	MODULE_PARM_DESC(seq_ports, "Allocated sequencer ports for internal synthesizer.");
	module_param_array(max_synth_voices, int, NULL, 0444);
	MODULE_PARM_DESC(max_synth_voices, "Maximum number of voices for WaveTable.");
	module_param_array(max_buffer_size, int, NULL, 0444);
	MODULE_PARM_DESC(max_buffer_size, "Maximum sample buffer size in MB.");
	module_param_array(enable_ir, bool, NULL, 0444);
	MODULE_PARM_DESC(enable_ir, "Enable IR.");
	module_param_array(subsystem, uint, NULL, 0444);
	MODULE_PARM_DESC(subsystem, "Force card subsystem model.");
	module_param_array(delay_pcm_irq, uint, NULL, 0444);
	MODULE_PARM_DESC(delay_pcm_irq, "Delay PCM interrupt by specified number of samples (default 0).");
	/*
	* Class 0401: 1102:0008 (rev 00) Subsystem: 1102:1001 -> Audigy2 Value Model:SB0400
	*/
	static DEFINE_PCI_DEVICE_TABLE(snd_emu10k1_ids) = {
	{ PCI_VDEVICE(CREATIVE, 0x0002), 0 }, /* EMU10K1 */
	{ PCI_VDEVICE(CREATIVE, 0x0004), 1 }, /* Audigy */
	{ PCI_VDEVICE(CREATIVE, 0x0008), 1 }, /* Audigy 2 Value SB0400 */
	{ 0, }
	};

	/*
	* Audigy 2 Value notes:
	* A_IOCFG Input (GPIO)
	* 0x400 = Front analog jack plugged in. (Green socket)
	* 0x1000 = Read analog jack plugged in. (Black socket)
	* 0x2000 = Center/LFE analog jack plugged in. (Orange socket)
	* A_IOCFG Output (GPIO)
	* 0x60 = Sound out of front Left.
	* Win sets it to 0xXX61
	*/

	MODULE_DEVICE_TABLE(pci, snd_emu10k1_ids);

	static int __devinit snd_card_emu10k1_probe(struct pci_dev *pci,
	const struct pci_device_id *pci_id)
	{
	static int dev;
	struct snd_card *card;
	struct snd_emu10k1 *emu;
	#ifdef ENABLE_SYNTH
	struct snd_seq_device *wave = NULL;
	#endif
	int err;

	if (dev >= SNDRV_CARDS)
	return -ENODEV;
	if (!enable[dev]) {
	dev++;
	return -ENOENT;
	}

	err = snd_card_create(index[dev], id[dev], THIS_MODULE, 0, &card);
	if (err < 0)
	return err;
	if (max_buffer_size[dev] < 32)
	max_buffer_size[dev] = 32;
	else if (max_buffer_size[dev] > 1024)
	max_buffer_size[dev] = 1024;
	if ((err = snd_emu10k1_create(card, pci, extin[dev], extout[dev],
	(long)max_buffer_size[dev] * 1024 * 1024,
	enable_ir[dev], subsystem[dev],
	&emu)) < 0)
	goto error;
	card->private_data = emu;
	emu->delay_pcm_irq = delay_pcm_irq[dev] & 0x1f;
	if ((err = snd_emu10k1_pcm(emu, 0, NULL)) < 0)
	goto error;
	if ((err = snd_emu10k1_pcm_mic(emu, 1, NULL)) < 0)
	goto error;
	if ((err = snd_emu10k1_pcm_efx(emu, 2, NULL)) < 0)
	goto error;
	/* This stores the periods table. */
	if (emu->card_capabilities->ca0151_chip) { /* P16V */
	if ((err = snd_dma_alloc_pages(SNDRV_DMA_TYPE_DEV, snd_dma_pci_data(pci),
	1024, &emu->p16v_buffer)) < 0)
	goto error;
	}

	if ((err = snd_emu10k1_mixer(emu, 0, 3)) < 0)
	goto error;

	if ((err = snd_emu10k1_timer(emu, 0)) < 0)
	goto error;

	if ((err = snd_emu10k1_pcm_multi(emu, 3, NULL)) < 0)
	goto error;
	if (emu->card_capabilities->ca0151_chip) { /* P16V */
	if ((err = snd_p16v_pcm(emu, 4, NULL)) < 0)
	goto error;
	}
	if (emu->audigy) {
	if ((err = snd_emu10k1_audigy_midi(emu)) < 0)
	goto error;
	} else {
	if ((err = snd_emu10k1_midi(emu)) < 0)
	goto error;
	}
	if ((err = snd_emu10k1_fx8010_new(emu, 0, NULL)) < 0)
	goto error;
	#ifdef ENABLE_SYNTH
	if (snd_seq_device_new(card, 1, SNDRV_SEQ_DEV_ID_EMU10K1_SYNTH,
	sizeof(struct snd_emu10k1_synth_arg), &wave) < 0 \|\|
	wave == NULL) {
	snd_printk(KERN_WARNING "can't initialize Emu10k1 wavetable synth\n");
	} else {
	struct snd_emu10k1_synth_arg *arg;
	arg = SNDRV_SEQ_DEVICE_ARGPTR(wave);
	strcpy(wave->name, "Emu-10k1 Synth");
	arg->hwptr = emu;
	arg->index = 1;
	arg->seq_ports = seq_ports[dev];
	arg->max_voices = max_synth_voices[dev];
	}
	#endif

	strcpy(card->driver, emu->card_capabilities->driver);
	strcpy(card->shortname, emu->card_capabilities->name);
	snprintf(card->longname, sizeof(card->longname),
	"%s (rev.%d, serial:0x%x) at 0x%lx, irq %i",
	card->shortname, emu->revision, emu->serial, emu->port, emu->irq);

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

	pci_set_drvdata(pci, card);
	dev++;
	return 0;

	error:
	snd_card_free(card);
	return err;
	}

	static void __devexit snd_card_emu10k1_remove(struct pci_dev *pci)
	{
	snd_card_free(pci_get_drvdata(pci));
	pci_set_drvdata(pci, NULL);
	}


	#ifdef CONFIG_PM
	static int snd_emu10k1_suspend(struct pci_dev *pci, pm_message_t state)
	{
	struct snd_card *card = pci_get_drvdata(pci);
	struct snd_emu10k1 *emu = card->private_data;

	snd_power_change_state(card, SNDRV_CTL_POWER_D3hot);

	snd_pcm_suspend_all(emu->pcm);
	snd_pcm_suspend_all(emu->pcm_mic);
	snd_pcm_suspend_all(emu->pcm_efx);
	snd_pcm_suspend_all(emu->pcm_multi);
	snd_pcm_suspend_all(emu->pcm_p16v);

	snd_ac97_suspend(emu->ac97);

	snd_emu10k1_efx_suspend(emu);
	snd_emu10k1_suspend_regs(emu);
	if (emu->card_capabilities->ca0151_chip)
	snd_p16v_suspend(emu);

	snd_emu10k1_done(emu);

	pci_disable_device(pci);
	pci_save_state(pci);
	pci_set_power_state(pci, pci_choose_state(pci, state));
	return 0;
	}

	static int snd_emu10k1_resume(struct pci_dev *pci)
	{
	struct snd_card *card = pci_get_drvdata(pci);
	struct snd_emu10k1 *emu = card->private_data;

	pci_set_power_state(pci, PCI_D0);
	pci_restore_state(pci);
	if (pci_enable_device(pci) < 0) {
	printk(KERN_ERR "emu10k1: pci_enable_device failed, "
	"disabling device\n");
	snd_card_disconnect(card);
	return -EIO;
	}
	pci_set_master(pci);

	snd_emu10k1_resume_init(emu);
	snd_emu10k1_efx_resume(emu);
	snd_ac97_resume(emu->ac97);
	snd_emu10k1_resume_regs(emu);

	if (emu->card_capabilities->ca0151_chip)
	snd_p16v_resume(emu);

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

	static struct pci_driver driver = {
	.name = "EMU10K1_Audigy",
	.id_table = snd_emu10k1_ids,
	.probe = snd_card_emu10k1_probe,
	.remove = __devexit_p(snd_card_emu10k1_remove),
	#ifdef CONFIG_PM
	.suspend = snd_emu10k1_suspend,
	.resume = snd_emu10k1_resume,
	#endif
	};

	static int __init alsa_card_emu10k1_init(void)
	{
	return pci_register_driver(&driver);
	}

	static void __exit alsa_card_emu10k1_exit(void)
	{
	pci_unregister_driver(&driver);
	}

	module_init(alsa_card_emu10k1_init)
	module_exit(alsa_card_emu10k1_exit)