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Release 4.12 include/sound/cs8403.h

Directory: include/sound
#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>
 *
 *
 *   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
 *
 */

#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; } }

Contributors

PersonTokensPropCommitsCommitProp
Jaroslav Kysela36499.45%150.00%
Takashi Iwai20.55%150.00%
Total366100.00%2100.00%


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; }

Contributors

PersonTokensPropCommitsCommitProp
Jaroslav Kysela38399.48%150.00%
Takashi Iwai20.52%150.00%
Total385100.00%2100.00%

#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; } }

Contributors

PersonTokensPropCommitsCommitProp
Jaroslav Kysela32599.39%150.00%
Takashi Iwai20.61%150.00%
Total327100.00%2100.00%


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; }

Contributors

PersonTokensPropCommitsCommitProp
Jaroslav Kysela30099.34%150.00%
Takashi Iwai20.66%150.00%
Total302100.00%2100.00%

#endif /* SND_CS8404 */ #endif /* __SOUND_CS8403_H */

Overall Contributors

PersonTokensPropCommitsCommitProp
Jaroslav Kysela144899.45%266.67%
Takashi Iwai80.55%133.33%
Total1456100.00%3100.00%
Directory: include/sound
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