include/sound/cs8403.h - third_party/kernel - Git at Google

 /* SPDX-License-Identifier: GPL-2.0-or-later */
 #ifndef __SOUND_CS8403_H
 #define __SOUND_CS8403_H

 /*
  *  Routines for Cirrus Logic CS8403/CS8404A IEC958 (S/PDIF) Transmitter
  *  Copyright (c) by Jaroslav Kysela <perex@perex.cz>,
  *		     Takashi Iwai <tiwai@suse.de>
  */

 #ifdef SND_CS8403

 #ifndef SND_CS8403_DECL
 #define SND_CS8403_DECL static
 #endif
 #ifndef SND_CS8403_DECODE
 #define SND_CS8403_DECODE snd_cs8403_decode_spdif_bits
 #endif
 #ifndef SND_CS8403_ENCODE
 #define SND_CS8403_ENCODE snd_cs8403_encode_spdif_bits
 #endif


 SND_CS8403_DECL void SND_CS8403_DECODE(struct snd_aes_iec958 *diga, unsigned char bits)
 {
 	if (bits & 0x01) {	/* consumer */
 		if (!(bits & 0x02))
 			diga->status[0] |= IEC958_AES0_NONAUDIO;
 		if (!(bits & 0x08))
 			diga->status[0] |= IEC958_AES0_CON_NOT_COPYRIGHT;
 		switch (bits & 0x10) {
 		case 0x10: diga->status[0] |= IEC958_AES0_CON_EMPHASIS_NONE; break;
 		case 0x00: diga->status[0] |= IEC958_AES0_CON_EMPHASIS_5015; break;
 		}
 		if (!(bits & 0x80))
 			diga->status[1] |= IEC958_AES1_CON_ORIGINAL;
 		switch (bits & 0x60) {
 		case 0x00: diga->status[1] |= IEC958_AES1_CON_MAGNETIC_ID; break;
 		case 0x20: diga->status[1] |= IEC958_AES1_CON_DIGDIGCONV_ID; break;
 		case 0x40: diga->status[1] |= IEC958_AES1_CON_LASEROPT_ID; break;
 		case 0x60: diga->status[1] |= IEC958_AES1_CON_GENERAL; break;
 		}
 		switch (bits & 0x06) {
 		case 0x00: diga->status[3] |= IEC958_AES3_CON_FS_44100; break;
 		case 0x02: diga->status[3] |= IEC958_AES3_CON_FS_48000; break;
 		case 0x04: diga->status[3] |= IEC958_AES3_CON_FS_32000; break;
 		}
 	} else {
 		diga->status[0] = IEC958_AES0_PROFESSIONAL;
 		switch (bits & 0x18) {
 		case 0x00: diga->status[0] |= IEC958_AES0_PRO_FS_32000; break;
 		case 0x10: diga->status[0] |= IEC958_AES0_PRO_FS_44100; break;
 		case 0x08: diga->status[0] |= IEC958_AES0_PRO_FS_48000; break;
 		case 0x18: diga->status[0] |= IEC958_AES0_PRO_FS_NOTID; break;
 		}
 		switch (bits & 0x60) {
 		case 0x20: diga->status[0] |= IEC958_AES0_PRO_EMPHASIS_NONE; break;
 		case 0x40: diga->status[0] |= IEC958_AES0_PRO_EMPHASIS_5015; break;
 		case 0x00: diga->status[0] |= IEC958_AES0_PRO_EMPHASIS_CCITT; break;
 		case 0x60: diga->status[0] |= IEC958_AES0_PRO_EMPHASIS_NOTID; break;
 		}
 		if (bits & 0x80)
 			diga->status[1] |= IEC958_AES1_PRO_MODE_STEREOPHONIC;
 	}
 }

 SND_CS8403_DECL unsigned char SND_CS8403_ENCODE(struct snd_aes_iec958 *diga)
 {
 	unsigned char bits;

 	if (!(diga->status[0] & IEC958_AES0_PROFESSIONAL)) {
 		bits = 0x01;	/* consumer mode */
 		if (diga->status[0] & IEC958_AES0_NONAUDIO)
 			bits &= ~0x02;
 		else
 			bits |= 0x02;
 		if (diga->status[0] & IEC958_AES0_CON_NOT_COPYRIGHT)
 			bits &= ~0x08;
 		else
 			bits |= 0x08;
 		switch (diga->status[0] & IEC958_AES0_CON_EMPHASIS) {
 		default:
 		case IEC958_AES0_CON_EMPHASIS_NONE: bits |= 0x10; break;
 		case IEC958_AES0_CON_EMPHASIS_5015: bits |= 0x00; break;
 		}
 		if (diga->status[1] & IEC958_AES1_CON_ORIGINAL)
 			bits &= ~0x80;
 		else
 			bits |= 0x80;
 		if ((diga->status[1] & IEC958_AES1_CON_CATEGORY) == IEC958_AES1_CON_GENERAL)
 			bits |= 0x60;
 		else {
 			switch(diga->status[1] & IEC958_AES1_CON_MAGNETIC_MASK) {
 			case IEC958_AES1_CON_MAGNETIC_ID:
 				bits |= 0x00; break;
 			case IEC958_AES1_CON_DIGDIGCONV_ID:
 				bits |= 0x20; break;
 			default:
 			case IEC958_AES1_CON_LASEROPT_ID:
 				bits |= 0x40; break;
 			}
 		}
 		switch (diga->status[3] & IEC958_AES3_CON_FS) {
 		default:
 		case IEC958_AES3_CON_FS_44100: bits |= 0x00; break;
 		case IEC958_AES3_CON_FS_48000: bits |= 0x02; break;
 		case IEC958_AES3_CON_FS_32000: bits |= 0x04; break;
 		}
 	} else {
 		bits = 0x00;	/* professional mode */
 		if (diga->status[0] & IEC958_AES0_NONAUDIO)
 			bits &= ~0x02;
 		else
 			bits |= 0x02;
 		/* CHECKME: I'm not sure about the bit order in val here */
 		switch (diga->status[0] & IEC958_AES0_PRO_FS) {
 		case IEC958_AES0_PRO_FS_32000:	bits |= 0x00; break;
 		case IEC958_AES0_PRO_FS_44100:	bits |= 0x10; break;	/* 44.1kHz */
 		case IEC958_AES0_PRO_FS_48000:	bits |= 0x08; break;	/* 48kHz */
 		default:
 		case IEC958_AES0_PRO_FS_NOTID: bits |= 0x18; break;
 		}
 		switch (diga->status[0] & IEC958_AES0_PRO_EMPHASIS) {
 		case IEC958_AES0_PRO_EMPHASIS_NONE: bits |= 0x20; break;
 		case IEC958_AES0_PRO_EMPHASIS_5015: bits |= 0x40; break;
 		case IEC958_AES0_PRO_EMPHASIS_CCITT: bits |= 0x00; break;
 		default:
 		case IEC958_AES0_PRO_EMPHASIS_NOTID: bits |= 0x60; break;
 		}
 		switch (diga->status[1] & IEC958_AES1_PRO_MODE) {
 		case IEC958_AES1_PRO_MODE_TWO:
 		case IEC958_AES1_PRO_MODE_STEREOPHONIC: bits |= 0x00; break;
 		default: bits |= 0x80; break;
 		}
 	}
 	return bits;
 }

 #endif /* SND_CS8403 */

 #ifdef SND_CS8404

 #ifndef SND_CS8404_DECL
 #define SND_CS8404_DECL static
 #endif
 #ifndef SND_CS8404_DECODE
 #define SND_CS8404_DECODE snd_cs8404_decode_spdif_bits
 #endif
 #ifndef SND_CS8404_ENCODE
 #define SND_CS8404_ENCODE snd_cs8404_encode_spdif_bits
 #endif


 SND_CS8404_DECL void SND_CS8404_DECODE(struct snd_aes_iec958 *diga, unsigned char bits)
 {
 	if (bits & 0x10) {	/* consumer */
 		if (!(bits & 0x20))
 			diga->status[0] |= IEC958_AES0_CON_NOT_COPYRIGHT;
 		if (!(bits & 0x40))
 			diga->status[0] |= IEC958_AES0_CON_EMPHASIS_5015;
 		if (!(bits & 0x80))
 			diga->status[1] |= IEC958_AES1_CON_ORIGINAL;
 		switch (bits & 0x03) {
 		case 0x00: diga->status[1] |= IEC958_AES1_CON_DAT; break;
 		case 0x03: diga->status[1] |= IEC958_AES1_CON_GENERAL; break;
 		}
 		switch (bits & 0x06) {
 		case 0x02: diga->status[3] |= IEC958_AES3_CON_FS_32000; break;
 		case 0x04: diga->status[3] |= IEC958_AES3_CON_FS_48000; break;
 		case 0x06: diga->status[3] |= IEC958_AES3_CON_FS_44100; break;
 		}
 	} else {
 		diga->status[0] = IEC958_AES0_PROFESSIONAL;
 		if (!(bits & 0x04))
 			diga->status[0] |= IEC958_AES0_NONAUDIO;
 		switch (bits & 0x60) {
 		case 0x00: diga->status[0] |= IEC958_AES0_PRO_FS_32000; break;
 		case 0x40: diga->status[0] |= IEC958_AES0_PRO_FS_44100; break;
 		case 0x20: diga->status[0] |= IEC958_AES0_PRO_FS_48000; break;
 		case 0x60: diga->status[0] |= IEC958_AES0_PRO_FS_NOTID; break;
 		}
 		switch (bits & 0x03) {
 		case 0x02: diga->status[0] |= IEC958_AES0_PRO_EMPHASIS_NONE; break;
 		case 0x01: diga->status[0] |= IEC958_AES0_PRO_EMPHASIS_5015; break;
 		case 0x00: diga->status[0] |= IEC958_AES0_PRO_EMPHASIS_CCITT; break;
 		case 0x03: diga->status[0] |= IEC958_AES0_PRO_EMPHASIS_NOTID; break;
 		}
 		if (!(bits & 0x80))
 			diga->status[1] |= IEC958_AES1_PRO_MODE_STEREOPHONIC;
 	}
 }

 SND_CS8404_DECL unsigned char SND_CS8404_ENCODE(struct snd_aes_iec958 *diga)
 {
 	unsigned char bits;

 	if (!(diga->status[0] & IEC958_AES0_PROFESSIONAL)) {
 		bits = 0x10;	/* consumer mode */
 		if (!(diga->status[0] & IEC958_AES0_CON_NOT_COPYRIGHT))
 			bits |= 0x20;
 		if ((diga->status[0] & IEC958_AES0_CON_EMPHASIS) == IEC958_AES0_CON_EMPHASIS_NONE)
 			bits |= 0x40;
 		if (!(diga->status[1] & IEC958_AES1_CON_ORIGINAL))
 			bits |= 0x80;
 		if ((diga->status[1] & IEC958_AES1_CON_CATEGORY) == IEC958_AES1_CON_GENERAL)
 			bits |= 0x03;
 		switch (diga->status[3] & IEC958_AES3_CON_FS) {
 		default:
 		case IEC958_AES3_CON_FS_44100: bits |= 0x06; break;
 		case IEC958_AES3_CON_FS_48000: bits |= 0x04; break;
 		case IEC958_AES3_CON_FS_32000: bits |= 0x02; break;
 		}
 	} else {
 		bits = 0x00;	/* professional mode */
 		if (!(diga->status[0] & IEC958_AES0_NONAUDIO))
 			bits |= 0x04;
 		switch (diga->status[0] & IEC958_AES0_PRO_FS) {
 		case IEC958_AES0_PRO_FS_32000:	bits |= 0x00; break;
 		case IEC958_AES0_PRO_FS_44100:	bits |= 0x40; break;	/* 44.1kHz */
 		case IEC958_AES0_PRO_FS_48000:	bits |= 0x20; break;	/* 48kHz */
 		default:
 		case IEC958_AES0_PRO_FS_NOTID:	bits |= 0x00; break;
 		}
 		switch (diga->status[0] & IEC958_AES0_PRO_EMPHASIS) {
 		case IEC958_AES0_PRO_EMPHASIS_NONE: bits |= 0x02; break;
 		case IEC958_AES0_PRO_EMPHASIS_5015: bits |= 0x01; break;
 		case IEC958_AES0_PRO_EMPHASIS_CCITT: bits |= 0x00; break;
 		default:
 		case IEC958_AES0_PRO_EMPHASIS_NOTID: bits |= 0x03; break;
 		}
 		switch (diga->status[1] & IEC958_AES1_PRO_MODE) {
 		case IEC958_AES1_PRO_MODE_TWO:
 		case IEC958_AES1_PRO_MODE_STEREOPHONIC: bits |= 0x00; break;
 		default: bits |= 0x80; break;
 		}
 	}
 	return bits;
 }

 #endif /* SND_CS8404 */

 #endif /* __SOUND_CS8403_H */
	/* SPDX-License-Identifier: GPL-2.0-or-later */
	#ifndef __SOUND_CS8403_H
	#define __SOUND_CS8403_H

	/*
	* Routines for Cirrus Logic CS8403/CS8404A IEC958 (S/PDIF) Transmitter
	* Copyright (c) by Jaroslav Kysela <perex@perex.cz>,
	* Takashi Iwai <tiwai@suse.de>
	*/

	#ifdef SND_CS8403

	#ifndef SND_CS8403_DECL
	#define SND_CS8403_DECL static
	#endif
	#ifndef SND_CS8403_DECODE
	#define SND_CS8403_DECODE snd_cs8403_decode_spdif_bits
	#endif
	#ifndef SND_CS8403_ENCODE
	#define SND_CS8403_ENCODE snd_cs8403_encode_spdif_bits
	#endif


	SND_CS8403_DECL void SND_CS8403_DECODE(struct snd_aes_iec958 *diga, unsigned char bits)
	{
	if (bits & 0x01) { /* consumer */
	if (!(bits & 0x02))
	diga->status[0] \|= IEC958_AES0_NONAUDIO;
	if (!(bits & 0x08))
	diga->status[0] \|= IEC958_AES0_CON_NOT_COPYRIGHT;
	switch (bits & 0x10) {
	case 0x10: diga->status[0] \|= IEC958_AES0_CON_EMPHASIS_NONE; break;
	case 0x00: diga->status[0] \|= IEC958_AES0_CON_EMPHASIS_5015; break;
	}
	if (!(bits & 0x80))
	diga->status[1] \|= IEC958_AES1_CON_ORIGINAL;
	switch (bits & 0x60) {
	case 0x00: diga->status[1] \|= IEC958_AES1_CON_MAGNETIC_ID; break;
	case 0x20: diga->status[1] \|= IEC958_AES1_CON_DIGDIGCONV_ID; break;
	case 0x40: diga->status[1] \|= IEC958_AES1_CON_LASEROPT_ID; break;
	case 0x60: diga->status[1] \|= IEC958_AES1_CON_GENERAL; break;
	}
	switch (bits & 0x06) {
	case 0x00: diga->status[3] \|= IEC958_AES3_CON_FS_44100; break;
	case 0x02: diga->status[3] \|= IEC958_AES3_CON_FS_48000; break;
	case 0x04: diga->status[3] \|= IEC958_AES3_CON_FS_32000; break;
	}
	} else {
	diga->status[0] = IEC958_AES0_PROFESSIONAL;
	switch (bits & 0x18) {
	case 0x00: diga->status[0] \|= IEC958_AES0_PRO_FS_32000; break;
	case 0x10: diga->status[0] \|= IEC958_AES0_PRO_FS_44100; break;
	case 0x08: diga->status[0] \|= IEC958_AES0_PRO_FS_48000; break;
	case 0x18: diga->status[0] \|= IEC958_AES0_PRO_FS_NOTID; break;
	}
	switch (bits & 0x60) {
	case 0x20: diga->status[0] \|= IEC958_AES0_PRO_EMPHASIS_NONE; break;
	case 0x40: diga->status[0] \|= IEC958_AES0_PRO_EMPHASIS_5015; break;
	case 0x00: diga->status[0] \|= IEC958_AES0_PRO_EMPHASIS_CCITT; break;
	case 0x60: diga->status[0] \|= IEC958_AES0_PRO_EMPHASIS_NOTID; break;
	}
	if (bits & 0x80)
	diga->status[1] \|= IEC958_AES1_PRO_MODE_STEREOPHONIC;
	}
	}

	SND_CS8403_DECL unsigned char SND_CS8403_ENCODE(struct snd_aes_iec958 *diga)
	{
	unsigned char bits;

	if (!(diga->status[0] & IEC958_AES0_PROFESSIONAL)) {
	bits = 0x01; /* consumer mode */
	if (diga->status[0] & IEC958_AES0_NONAUDIO)
	bits &= ~0x02;
	else
	bits \|= 0x02;
	if (diga->status[0] & IEC958_AES0_CON_NOT_COPYRIGHT)
	bits &= ~0x08;
	else
	bits \|= 0x08;
	switch (diga->status[0] & IEC958_AES0_CON_EMPHASIS) {
	default:
	case IEC958_AES0_CON_EMPHASIS_NONE: bits \|= 0x10; break;
	case IEC958_AES0_CON_EMPHASIS_5015: bits \|= 0x00; break;
	}
	if (diga->status[1] & IEC958_AES1_CON_ORIGINAL)
	bits &= ~0x80;
	else
	bits \|= 0x80;
	if ((diga->status[1] & IEC958_AES1_CON_CATEGORY) == IEC958_AES1_CON_GENERAL)
	bits \|= 0x60;
	else {
	switch(diga->status[1] & IEC958_AES1_CON_MAGNETIC_MASK) {
	case IEC958_AES1_CON_MAGNETIC_ID:
	bits \|= 0x00; break;
	case IEC958_AES1_CON_DIGDIGCONV_ID:
	bits \|= 0x20; break;
	default:
	case IEC958_AES1_CON_LASEROPT_ID:
	bits \|= 0x40; break;
	}
	}
	switch (diga->status[3] & IEC958_AES3_CON_FS) {
	default:
	case IEC958_AES3_CON_FS_44100: bits \|= 0x00; break;
	case IEC958_AES3_CON_FS_48000: bits \|= 0x02; break;
	case IEC958_AES3_CON_FS_32000: bits \|= 0x04; break;
	}
	} else {
	bits = 0x00; /* professional mode */
	if (diga->status[0] & IEC958_AES0_NONAUDIO)
	bits &= ~0x02;
	else
	bits \|= 0x02;
	/* CHECKME: I'm not sure about the bit order in val here */
	switch (diga->status[0] & IEC958_AES0_PRO_FS) {
	case IEC958_AES0_PRO_FS_32000: bits \|= 0x00; break;
	case IEC958_AES0_PRO_FS_44100: bits \|= 0x10; break; /* 44.1kHz */
	case IEC958_AES0_PRO_FS_48000: bits \|= 0x08; break; /* 48kHz */
	default:
	case IEC958_AES0_PRO_FS_NOTID: bits \|= 0x18; break;
	}
	switch (diga->status[0] & IEC958_AES0_PRO_EMPHASIS) {
	case IEC958_AES0_PRO_EMPHASIS_NONE: bits \|= 0x20; break;
	case IEC958_AES0_PRO_EMPHASIS_5015: bits \|= 0x40; break;
	case IEC958_AES0_PRO_EMPHASIS_CCITT: bits \|= 0x00; break;
	default:
	case IEC958_AES0_PRO_EMPHASIS_NOTID: bits \|= 0x60; break;
	}
	switch (diga->status[1] & IEC958_AES1_PRO_MODE) {
	case IEC958_AES1_PRO_MODE_TWO:
	case IEC958_AES1_PRO_MODE_STEREOPHONIC: bits \|= 0x00; break;
	default: bits \|= 0x80; break;
	}
	}
	return bits;
	}

	#endif /* SND_CS8403 */

	#ifdef SND_CS8404

	#ifndef SND_CS8404_DECL
	#define SND_CS8404_DECL static
	#endif
	#ifndef SND_CS8404_DECODE
	#define SND_CS8404_DECODE snd_cs8404_decode_spdif_bits
	#endif
	#ifndef SND_CS8404_ENCODE
	#define SND_CS8404_ENCODE snd_cs8404_encode_spdif_bits
	#endif


	SND_CS8404_DECL void SND_CS8404_DECODE(struct snd_aes_iec958 *diga, unsigned char bits)
	{
	if (bits & 0x10) { /* consumer */
	if (!(bits & 0x20))
	diga->status[0] \|= IEC958_AES0_CON_NOT_COPYRIGHT;
	if (!(bits & 0x40))
	diga->status[0] \|= IEC958_AES0_CON_EMPHASIS_5015;
	if (!(bits & 0x80))
	diga->status[1] \|= IEC958_AES1_CON_ORIGINAL;
	switch (bits & 0x03) {
	case 0x00: diga->status[1] \|= IEC958_AES1_CON_DAT; break;
	case 0x03: diga->status[1] \|= IEC958_AES1_CON_GENERAL; break;
	}
	switch (bits & 0x06) {
	case 0x02: diga->status[3] \|= IEC958_AES3_CON_FS_32000; break;
	case 0x04: diga->status[3] \|= IEC958_AES3_CON_FS_48000; break;
	case 0x06: diga->status[3] \|= IEC958_AES3_CON_FS_44100; break;
	}
	} else {
	diga->status[0] = IEC958_AES0_PROFESSIONAL;
	if (!(bits & 0x04))
	diga->status[0] \|= IEC958_AES0_NONAUDIO;
	switch (bits & 0x60) {
	case 0x00: diga->status[0] \|= IEC958_AES0_PRO_FS_32000; break;
	case 0x40: diga->status[0] \|= IEC958_AES0_PRO_FS_44100; break;
	case 0x20: diga->status[0] \|= IEC958_AES0_PRO_FS_48000; break;
	case 0x60: diga->status[0] \|= IEC958_AES0_PRO_FS_NOTID; break;
	}
	switch (bits & 0x03) {
	case 0x02: diga->status[0] \|= IEC958_AES0_PRO_EMPHASIS_NONE; break;
	case 0x01: diga->status[0] \|= IEC958_AES0_PRO_EMPHASIS_5015; break;
	case 0x00: diga->status[0] \|= IEC958_AES0_PRO_EMPHASIS_CCITT; break;
	case 0x03: diga->status[0] \|= IEC958_AES0_PRO_EMPHASIS_NOTID; break;
	}
	if (!(bits & 0x80))
	diga->status[1] \|= IEC958_AES1_PRO_MODE_STEREOPHONIC;
	}
	}

	SND_CS8404_DECL unsigned char SND_CS8404_ENCODE(struct snd_aes_iec958 *diga)
	{
	unsigned char bits;

	if (!(diga->status[0] & IEC958_AES0_PROFESSIONAL)) {
	bits = 0x10; /* consumer mode */
	if (!(diga->status[0] & IEC958_AES0_CON_NOT_COPYRIGHT))
	bits \|= 0x20;
	if ((diga->status[0] & IEC958_AES0_CON_EMPHASIS) == IEC958_AES0_CON_EMPHASIS_NONE)
	bits \|= 0x40;
	if (!(diga->status[1] & IEC958_AES1_CON_ORIGINAL))
	bits \|= 0x80;
	if ((diga->status[1] & IEC958_AES1_CON_CATEGORY) == IEC958_AES1_CON_GENERAL)
	bits \|= 0x03;
	switch (diga->status[3] & IEC958_AES3_CON_FS) {
	default:
	case IEC958_AES3_CON_FS_44100: bits \|= 0x06; break;
	case IEC958_AES3_CON_FS_48000: bits \|= 0x04; break;
	case IEC958_AES3_CON_FS_32000: bits \|= 0x02; break;
	}
	} else {
	bits = 0x00; /* professional mode */
	if (!(diga->status[0] & IEC958_AES0_NONAUDIO))
	bits \|= 0x04;
	switch (diga->status[0] & IEC958_AES0_PRO_FS) {
	case IEC958_AES0_PRO_FS_32000: bits \|= 0x00; break;
	case IEC958_AES0_PRO_FS_44100: bits \|= 0x40; break; /* 44.1kHz */
	case IEC958_AES0_PRO_FS_48000: bits \|= 0x20; break; /* 48kHz */
	default:
	case IEC958_AES0_PRO_FS_NOTID: bits \|= 0x00; break;
	}
	switch (diga->status[0] & IEC958_AES0_PRO_EMPHASIS) {
	case IEC958_AES0_PRO_EMPHASIS_NONE: bits \|= 0x02; break;
	case IEC958_AES0_PRO_EMPHASIS_5015: bits \|= 0x01; break;
	case IEC958_AES0_PRO_EMPHASIS_CCITT: bits \|= 0x00; break;
	default:
	case IEC958_AES0_PRO_EMPHASIS_NOTID: bits \|= 0x03; break;
	}
	switch (diga->status[1] & IEC958_AES1_PRO_MODE) {
	case IEC958_AES1_PRO_MODE_TWO:
	case IEC958_AES1_PRO_MODE_STEREOPHONIC: bits \|= 0x00; break;
	default: bits \|= 0x80; break;
	}
	}
	return bits;
	}

	#endif /* SND_CS8404 */

	#endif /* __SOUND_CS8403_H */