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v3.1
  1#ifndef __SOUND_CS8403_H
  2#define __SOUND_CS8403_H
  3
  4/*
  5 *  Routines for Cirrus Logic CS8403/CS8404A IEC958 (S/PDIF) Transmitter
  6 *  Copyright (c) by Jaroslav Kysela <perex@perex.cz>,
  7 *		     Takashi Iwai <tiwai@suse.de>
  8 *
  9 *
 10 *   This program is free software; you can redistribute it and/or modify
 11 *   it under the terms of the GNU General Public License as published by
 12 *   the Free Software Foundation; either version 2 of the License, or
 13 *   (at your option) any later version.
 14 *
 15 *   This program is distributed in the hope that it will be useful,
 16 *   but WITHOUT ANY WARRANTY; without even the implied warranty of
 17 *   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 18 *   GNU General Public License for more details.
 19 *
 20 *   You should have received a copy of the GNU General Public License
 21 *   along with this program; if not, write to the Free Software
 22 *   Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307 USA
 23 *
 24 */
 25
 26#ifdef SND_CS8403
 27
 28#ifndef SND_CS8403_DECL
 29#define SND_CS8403_DECL static
 30#endif
 31#ifndef SND_CS8403_DECODE
 32#define SND_CS8403_DECODE snd_cs8403_decode_spdif_bits
 33#endif
 34#ifndef SND_CS8403_ENCODE
 35#define SND_CS8403_ENCODE snd_cs8403_encode_spdif_bits
 36#endif
 37
 38
 39SND_CS8403_DECL void SND_CS8403_DECODE(struct snd_aes_iec958 *diga, unsigned char bits)
 40{
 41	if (bits & 0x01) {	/* consumer */
 42		if (!(bits & 0x02))
 43			diga->status[0] |= IEC958_AES0_NONAUDIO;
 44		if (!(bits & 0x08))
 45			diga->status[0] |= IEC958_AES0_CON_NOT_COPYRIGHT;
 46		switch (bits & 0x10) {
 47		case 0x10: diga->status[0] |= IEC958_AES0_CON_EMPHASIS_NONE; break;
 48		case 0x00: diga->status[0] |= IEC958_AES0_CON_EMPHASIS_5015; break;
 49		}
 50		if (!(bits & 0x80))
 51			diga->status[1] |= IEC958_AES1_CON_ORIGINAL;
 52		switch (bits & 0x60) {
 53		case 0x00: diga->status[1] |= IEC958_AES1_CON_MAGNETIC_ID; break;
 54		case 0x20: diga->status[1] |= IEC958_AES1_CON_DIGDIGCONV_ID; break;
 55		case 0x40: diga->status[1] |= IEC958_AES1_CON_LASEROPT_ID; break;
 56		case 0x60: diga->status[1] |= IEC958_AES1_CON_GENERAL; break;
 57		}
 58		switch (bits & 0x06) {
 59		case 0x00: diga->status[3] |= IEC958_AES3_CON_FS_44100; break;
 60		case 0x02: diga->status[3] |= IEC958_AES3_CON_FS_48000; break;
 61		case 0x04: diga->status[3] |= IEC958_AES3_CON_FS_32000; break;
 62		}
 63	} else {
 64		diga->status[0] = IEC958_AES0_PROFESSIONAL;
 65		switch (bits & 0x18) {
 66		case 0x00: diga->status[0] |= IEC958_AES0_PRO_FS_32000; break;
 67		case 0x10: diga->status[0] |= IEC958_AES0_PRO_FS_44100; break;
 68		case 0x08: diga->status[0] |= IEC958_AES0_PRO_FS_48000; break;
 69		case 0x18: diga->status[0] |= IEC958_AES0_PRO_FS_NOTID; break;
 70		}
 71		switch (bits & 0x60) {
 72		case 0x20: diga->status[0] |= IEC958_AES0_PRO_EMPHASIS_NONE; break;
 73		case 0x40: diga->status[0] |= IEC958_AES0_PRO_EMPHASIS_5015; break;
 74		case 0x00: diga->status[0] |= IEC958_AES0_PRO_EMPHASIS_CCITT; break;
 75		case 0x60: diga->status[0] |= IEC958_AES0_PRO_EMPHASIS_NOTID; break;
 76		}
 77		if (bits & 0x80)
 78			diga->status[1] |= IEC958_AES1_PRO_MODE_STEREOPHONIC;
 79	}
 80}
 81
 82SND_CS8403_DECL unsigned char SND_CS8403_ENCODE(struct snd_aes_iec958 *diga)
 83{
 84	unsigned char bits;
 85
 86	if (!(diga->status[0] & IEC958_AES0_PROFESSIONAL)) {
 87		bits = 0x01;	/* consumer mode */
 88		if (diga->status[0] & IEC958_AES0_NONAUDIO)
 89			bits &= ~0x02;
 90		else
 91			bits |= 0x02;
 92		if (diga->status[0] & IEC958_AES0_CON_NOT_COPYRIGHT)
 93			bits &= ~0x08;
 94		else
 95			bits |= 0x08;
 96		switch (diga->status[0] & IEC958_AES0_CON_EMPHASIS) {
 97		default:
 98		case IEC958_AES0_CON_EMPHASIS_NONE: bits |= 0x10; break;
 99		case IEC958_AES0_CON_EMPHASIS_5015: bits |= 0x00; break;
100		}
101		if (diga->status[1] & IEC958_AES1_CON_ORIGINAL)
102			bits &= ~0x80;
103		else
104			bits |= 0x80;
105		if ((diga->status[1] & IEC958_AES1_CON_CATEGORY) == IEC958_AES1_CON_GENERAL)
106			bits |= 0x60;
107		else {
108			switch(diga->status[1] & IEC958_AES1_CON_MAGNETIC_MASK) {
109			case IEC958_AES1_CON_MAGNETIC_ID:
110				bits |= 0x00; break;
111			case IEC958_AES1_CON_DIGDIGCONV_ID:
112				bits |= 0x20; break;
113			default:
114			case IEC958_AES1_CON_LASEROPT_ID:
115				bits |= 0x40; break;
116			}
117		}
118		switch (diga->status[3] & IEC958_AES3_CON_FS) {
119		default:
120		case IEC958_AES3_CON_FS_44100: bits |= 0x00; break;
121		case IEC958_AES3_CON_FS_48000: bits |= 0x02; break;
122		case IEC958_AES3_CON_FS_32000: bits |= 0x04; break;
123		}
124	} else {
125		bits = 0x00;	/* professional mode */
126		if (diga->status[0] & IEC958_AES0_NONAUDIO)
127			bits &= ~0x02;
128		else
129			bits |= 0x02;
130		/* CHECKME: I'm not sure about the bit order in val here */
131		switch (diga->status[0] & IEC958_AES0_PRO_FS) {
132		case IEC958_AES0_PRO_FS_32000:	bits |= 0x00; break;
133		case IEC958_AES0_PRO_FS_44100:	bits |= 0x10; break;	/* 44.1kHz */
134		case IEC958_AES0_PRO_FS_48000:	bits |= 0x08; break;	/* 48kHz */
135		default:
136		case IEC958_AES0_PRO_FS_NOTID: bits |= 0x18; break;
137		}
138		switch (diga->status[0] & IEC958_AES0_PRO_EMPHASIS) {
139		case IEC958_AES0_PRO_EMPHASIS_NONE: bits |= 0x20; break;
140		case IEC958_AES0_PRO_EMPHASIS_5015: bits |= 0x40; break;
141		case IEC958_AES0_PRO_EMPHASIS_CCITT: bits |= 0x00; break;
142		default:
143		case IEC958_AES0_PRO_EMPHASIS_NOTID: bits |= 0x60; break;
144		}
145		switch (diga->status[1] & IEC958_AES1_PRO_MODE) {
146		case IEC958_AES1_PRO_MODE_TWO:
147		case IEC958_AES1_PRO_MODE_STEREOPHONIC: bits |= 0x00; break;
148		default: bits |= 0x80; break;
149		}
150	}
151	return bits;
152}
153
154#endif /* SND_CS8403 */
155
156#ifdef SND_CS8404
157
158#ifndef SND_CS8404_DECL
159#define SND_CS8404_DECL static
160#endif
161#ifndef SND_CS8404_DECODE
162#define SND_CS8404_DECODE snd_cs8404_decode_spdif_bits
163#endif
164#ifndef SND_CS8404_ENCODE
165#define SND_CS8404_ENCODE snd_cs8404_encode_spdif_bits
166#endif
167
168
169SND_CS8404_DECL void SND_CS8404_DECODE(struct snd_aes_iec958 *diga, unsigned char bits)
170{
171	if (bits & 0x10) {	/* consumer */
172		if (!(bits & 0x20))
173			diga->status[0] |= IEC958_AES0_CON_NOT_COPYRIGHT;
174		if (!(bits & 0x40))
175			diga->status[0] |= IEC958_AES0_CON_EMPHASIS_5015;
176		if (!(bits & 0x80))
177			diga->status[1] |= IEC958_AES1_CON_ORIGINAL;
178		switch (bits & 0x03) {
179		case 0x00: diga->status[1] |= IEC958_AES1_CON_DAT; break;
180		case 0x03: diga->status[1] |= IEC958_AES1_CON_GENERAL; break;
181		}
182		switch (bits & 0x06) {
183		case 0x02: diga->status[3] |= IEC958_AES3_CON_FS_32000; break;
184		case 0x04: diga->status[3] |= IEC958_AES3_CON_FS_48000; break;
185		case 0x06: diga->status[3] |= IEC958_AES3_CON_FS_44100; break;
186		}
187	} else {
188		diga->status[0] = IEC958_AES0_PROFESSIONAL;
189		if (!(bits & 0x04))
190			diga->status[0] |= IEC958_AES0_NONAUDIO;
191		switch (bits & 0x60) {
192		case 0x00: diga->status[0] |= IEC958_AES0_PRO_FS_32000; break;
193		case 0x40: diga->status[0] |= IEC958_AES0_PRO_FS_44100; break;
194		case 0x20: diga->status[0] |= IEC958_AES0_PRO_FS_48000; break;
195		case 0x60: diga->status[0] |= IEC958_AES0_PRO_FS_NOTID; break;
196		}
197		switch (bits & 0x03) {
198		case 0x02: diga->status[0] |= IEC958_AES0_PRO_EMPHASIS_NONE; break;
199		case 0x01: diga->status[0] |= IEC958_AES0_PRO_EMPHASIS_5015; break;
200		case 0x00: diga->status[0] |= IEC958_AES0_PRO_EMPHASIS_CCITT; break;
201		case 0x03: diga->status[0] |= IEC958_AES0_PRO_EMPHASIS_NOTID; break;
202		}
203		if (!(bits & 0x80))
204			diga->status[1] |= IEC958_AES1_PRO_MODE_STEREOPHONIC;
205	}
206}
207
208SND_CS8404_DECL unsigned char SND_CS8404_ENCODE(struct snd_aes_iec958 *diga)
209{
210	unsigned char bits;
211
212	if (!(diga->status[0] & IEC958_AES0_PROFESSIONAL)) {
213		bits = 0x10;	/* consumer mode */
214		if (!(diga->status[0] & IEC958_AES0_CON_NOT_COPYRIGHT))
215			bits |= 0x20;
216		if ((diga->status[0] & IEC958_AES0_CON_EMPHASIS) == IEC958_AES0_CON_EMPHASIS_NONE)
217			bits |= 0x40;
218		if (!(diga->status[1] & IEC958_AES1_CON_ORIGINAL))
219			bits |= 0x80;
220		if ((diga->status[1] & IEC958_AES1_CON_CATEGORY) == IEC958_AES1_CON_GENERAL)
221			bits |= 0x03;
222		switch (diga->status[3] & IEC958_AES3_CON_FS) {
223		default:
224		case IEC958_AES3_CON_FS_44100: bits |= 0x06; break;
225		case IEC958_AES3_CON_FS_48000: bits |= 0x04; break;
226		case IEC958_AES3_CON_FS_32000: bits |= 0x02; break;
227		}
228	} else {
229		bits = 0x00;	/* professional mode */
230		if (!(diga->status[0] & IEC958_AES0_NONAUDIO))
231			bits |= 0x04;
232		switch (diga->status[0] & IEC958_AES0_PRO_FS) {
233		case IEC958_AES0_PRO_FS_32000:	bits |= 0x00; break;
234		case IEC958_AES0_PRO_FS_44100:	bits |= 0x40; break;	/* 44.1kHz */
235		case IEC958_AES0_PRO_FS_48000:	bits |= 0x20; break;	/* 48kHz */
236		default:
237		case IEC958_AES0_PRO_FS_NOTID:	bits |= 0x00; break;
238		}
239		switch (diga->status[0] & IEC958_AES0_PRO_EMPHASIS) {
240		case IEC958_AES0_PRO_EMPHASIS_NONE: bits |= 0x02; break;
241		case IEC958_AES0_PRO_EMPHASIS_5015: bits |= 0x01; break;
242		case IEC958_AES0_PRO_EMPHASIS_CCITT: bits |= 0x00; break;
243		default:
244		case IEC958_AES0_PRO_EMPHASIS_NOTID: bits |= 0x03; break;
245		}
246		switch (diga->status[1] & IEC958_AES1_PRO_MODE) {
247		case IEC958_AES1_PRO_MODE_TWO:
248		case IEC958_AES1_PRO_MODE_STEREOPHONIC: bits |= 0x00; break;
249		default: bits |= 0x80; break;
250		}
251	}
252	return bits;
253}
254
255#endif /* SND_CS8404 */
256
257#endif /* __SOUND_CS8403_H */
v4.17
  1#ifndef __SOUND_CS8403_H
  2#define __SOUND_CS8403_H
  3
  4/*
  5 *  Routines for Cirrus Logic CS8403/CS8404A IEC958 (S/PDIF) Transmitter
  6 *  Copyright (c) by Jaroslav Kysela <perex@perex.cz>,
  7 *		     Takashi Iwai <tiwai@suse.de>
  8 *
  9 *
 10 *   This program is free software; you can redistribute it and/or modify
 11 *   it under the terms of the GNU General Public License as published by
 12 *   the Free Software Foundation; either version 2 of the License, or
 13 *   (at your option) any later version.
 14 *
 15 *   This program is distributed in the hope that it will be useful,
 16 *   but WITHOUT ANY WARRANTY; without even the implied warranty of
 17 *   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 18 *   GNU General Public License for more details.
 19 *
 20 *   You should have received a copy of the GNU General Public License
 21 *   along with this program; if not, write to the Free Software
 22 *   Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307 USA
 23 *
 24 */
 25
 26#ifdef SND_CS8403
 27
 28#ifndef SND_CS8403_DECL
 29#define SND_CS8403_DECL static
 30#endif
 31#ifndef SND_CS8403_DECODE
 32#define SND_CS8403_DECODE snd_cs8403_decode_spdif_bits
 33#endif
 34#ifndef SND_CS8403_ENCODE
 35#define SND_CS8403_ENCODE snd_cs8403_encode_spdif_bits
 36#endif
 37
 38
 39SND_CS8403_DECL void SND_CS8403_DECODE(struct snd_aes_iec958 *diga, unsigned char bits)
 40{
 41	if (bits & 0x01) {	/* consumer */
 42		if (!(bits & 0x02))
 43			diga->status[0] |= IEC958_AES0_NONAUDIO;
 44		if (!(bits & 0x08))
 45			diga->status[0] |= IEC958_AES0_CON_NOT_COPYRIGHT;
 46		switch (bits & 0x10) {
 47		case 0x10: diga->status[0] |= IEC958_AES0_CON_EMPHASIS_NONE; break;
 48		case 0x00: diga->status[0] |= IEC958_AES0_CON_EMPHASIS_5015; break;
 49		}
 50		if (!(bits & 0x80))
 51			diga->status[1] |= IEC958_AES1_CON_ORIGINAL;
 52		switch (bits & 0x60) {
 53		case 0x00: diga->status[1] |= IEC958_AES1_CON_MAGNETIC_ID; break;
 54		case 0x20: diga->status[1] |= IEC958_AES1_CON_DIGDIGCONV_ID; break;
 55		case 0x40: diga->status[1] |= IEC958_AES1_CON_LASEROPT_ID; break;
 56		case 0x60: diga->status[1] |= IEC958_AES1_CON_GENERAL; break;
 57		}
 58		switch (bits & 0x06) {
 59		case 0x00: diga->status[3] |= IEC958_AES3_CON_FS_44100; break;
 60		case 0x02: diga->status[3] |= IEC958_AES3_CON_FS_48000; break;
 61		case 0x04: diga->status[3] |= IEC958_AES3_CON_FS_32000; break;
 62		}
 63	} else {
 64		diga->status[0] = IEC958_AES0_PROFESSIONAL;
 65		switch (bits & 0x18) {
 66		case 0x00: diga->status[0] |= IEC958_AES0_PRO_FS_32000; break;
 67		case 0x10: diga->status[0] |= IEC958_AES0_PRO_FS_44100; break;
 68		case 0x08: diga->status[0] |= IEC958_AES0_PRO_FS_48000; break;
 69		case 0x18: diga->status[0] |= IEC958_AES0_PRO_FS_NOTID; break;
 70		}
 71		switch (bits & 0x60) {
 72		case 0x20: diga->status[0] |= IEC958_AES0_PRO_EMPHASIS_NONE; break;
 73		case 0x40: diga->status[0] |= IEC958_AES0_PRO_EMPHASIS_5015; break;
 74		case 0x00: diga->status[0] |= IEC958_AES0_PRO_EMPHASIS_CCITT; break;
 75		case 0x60: diga->status[0] |= IEC958_AES0_PRO_EMPHASIS_NOTID; break;
 76		}
 77		if (bits & 0x80)
 78			diga->status[1] |= IEC958_AES1_PRO_MODE_STEREOPHONIC;
 79	}
 80}
 81
 82SND_CS8403_DECL unsigned char SND_CS8403_ENCODE(struct snd_aes_iec958 *diga)
 83{
 84	unsigned char bits;
 85
 86	if (!(diga->status[0] & IEC958_AES0_PROFESSIONAL)) {
 87		bits = 0x01;	/* consumer mode */
 88		if (diga->status[0] & IEC958_AES0_NONAUDIO)
 89			bits &= ~0x02;
 90		else
 91			bits |= 0x02;
 92		if (diga->status[0] & IEC958_AES0_CON_NOT_COPYRIGHT)
 93			bits &= ~0x08;
 94		else
 95			bits |= 0x08;
 96		switch (diga->status[0] & IEC958_AES0_CON_EMPHASIS) {
 97		default:
 98		case IEC958_AES0_CON_EMPHASIS_NONE: bits |= 0x10; break;
 99		case IEC958_AES0_CON_EMPHASIS_5015: bits |= 0x00; break;
100		}
101		if (diga->status[1] & IEC958_AES1_CON_ORIGINAL)
102			bits &= ~0x80;
103		else
104			bits |= 0x80;
105		if ((diga->status[1] & IEC958_AES1_CON_CATEGORY) == IEC958_AES1_CON_GENERAL)
106			bits |= 0x60;
107		else {
108			switch(diga->status[1] & IEC958_AES1_CON_MAGNETIC_MASK) {
109			case IEC958_AES1_CON_MAGNETIC_ID:
110				bits |= 0x00; break;
111			case IEC958_AES1_CON_DIGDIGCONV_ID:
112				bits |= 0x20; break;
113			default:
114			case IEC958_AES1_CON_LASEROPT_ID:
115				bits |= 0x40; break;
116			}
117		}
118		switch (diga->status[3] & IEC958_AES3_CON_FS) {
119		default:
120		case IEC958_AES3_CON_FS_44100: bits |= 0x00; break;
121		case IEC958_AES3_CON_FS_48000: bits |= 0x02; break;
122		case IEC958_AES3_CON_FS_32000: bits |= 0x04; break;
123		}
124	} else {
125		bits = 0x00;	/* professional mode */
126		if (diga->status[0] & IEC958_AES0_NONAUDIO)
127			bits &= ~0x02;
128		else
129			bits |= 0x02;
130		/* CHECKME: I'm not sure about the bit order in val here */
131		switch (diga->status[0] & IEC958_AES0_PRO_FS) {
132		case IEC958_AES0_PRO_FS_32000:	bits |= 0x00; break;
133		case IEC958_AES0_PRO_FS_44100:	bits |= 0x10; break;	/* 44.1kHz */
134		case IEC958_AES0_PRO_FS_48000:	bits |= 0x08; break;	/* 48kHz */
135		default:
136		case IEC958_AES0_PRO_FS_NOTID: bits |= 0x18; break;
137		}
138		switch (diga->status[0] & IEC958_AES0_PRO_EMPHASIS) {
139		case IEC958_AES0_PRO_EMPHASIS_NONE: bits |= 0x20; break;
140		case IEC958_AES0_PRO_EMPHASIS_5015: bits |= 0x40; break;
141		case IEC958_AES0_PRO_EMPHASIS_CCITT: bits |= 0x00; break;
142		default:
143		case IEC958_AES0_PRO_EMPHASIS_NOTID: bits |= 0x60; break;
144		}
145		switch (diga->status[1] & IEC958_AES1_PRO_MODE) {
146		case IEC958_AES1_PRO_MODE_TWO:
147		case IEC958_AES1_PRO_MODE_STEREOPHONIC: bits |= 0x00; break;
148		default: bits |= 0x80; break;
149		}
150	}
151	return bits;
152}
153
154#endif /* SND_CS8403 */
155
156#ifdef SND_CS8404
157
158#ifndef SND_CS8404_DECL
159#define SND_CS8404_DECL static
160#endif
161#ifndef SND_CS8404_DECODE
162#define SND_CS8404_DECODE snd_cs8404_decode_spdif_bits
163#endif
164#ifndef SND_CS8404_ENCODE
165#define SND_CS8404_ENCODE snd_cs8404_encode_spdif_bits
166#endif
167
168
169SND_CS8404_DECL void SND_CS8404_DECODE(struct snd_aes_iec958 *diga, unsigned char bits)
170{
171	if (bits & 0x10) {	/* consumer */
172		if (!(bits & 0x20))
173			diga->status[0] |= IEC958_AES0_CON_NOT_COPYRIGHT;
174		if (!(bits & 0x40))
175			diga->status[0] |= IEC958_AES0_CON_EMPHASIS_5015;
176		if (!(bits & 0x80))
177			diga->status[1] |= IEC958_AES1_CON_ORIGINAL;
178		switch (bits & 0x03) {
179		case 0x00: diga->status[1] |= IEC958_AES1_CON_DAT; break;
180		case 0x03: diga->status[1] |= IEC958_AES1_CON_GENERAL; break;
181		}
182		switch (bits & 0x06) {
183		case 0x02: diga->status[3] |= IEC958_AES3_CON_FS_32000; break;
184		case 0x04: diga->status[3] |= IEC958_AES3_CON_FS_48000; break;
185		case 0x06: diga->status[3] |= IEC958_AES3_CON_FS_44100; break;
186		}
187	} else {
188		diga->status[0] = IEC958_AES0_PROFESSIONAL;
189		if (!(bits & 0x04))
190			diga->status[0] |= IEC958_AES0_NONAUDIO;
191		switch (bits & 0x60) {
192		case 0x00: diga->status[0] |= IEC958_AES0_PRO_FS_32000; break;
193		case 0x40: diga->status[0] |= IEC958_AES0_PRO_FS_44100; break;
194		case 0x20: diga->status[0] |= IEC958_AES0_PRO_FS_48000; break;
195		case 0x60: diga->status[0] |= IEC958_AES0_PRO_FS_NOTID; break;
196		}
197		switch (bits & 0x03) {
198		case 0x02: diga->status[0] |= IEC958_AES0_PRO_EMPHASIS_NONE; break;
199		case 0x01: diga->status[0] |= IEC958_AES0_PRO_EMPHASIS_5015; break;
200		case 0x00: diga->status[0] |= IEC958_AES0_PRO_EMPHASIS_CCITT; break;
201		case 0x03: diga->status[0] |= IEC958_AES0_PRO_EMPHASIS_NOTID; break;
202		}
203		if (!(bits & 0x80))
204			diga->status[1] |= IEC958_AES1_PRO_MODE_STEREOPHONIC;
205	}
206}
207
208SND_CS8404_DECL unsigned char SND_CS8404_ENCODE(struct snd_aes_iec958 *diga)
209{
210	unsigned char bits;
211
212	if (!(diga->status[0] & IEC958_AES0_PROFESSIONAL)) {
213		bits = 0x10;	/* consumer mode */
214		if (!(diga->status[0] & IEC958_AES0_CON_NOT_COPYRIGHT))
215			bits |= 0x20;
216		if ((diga->status[0] & IEC958_AES0_CON_EMPHASIS) == IEC958_AES0_CON_EMPHASIS_NONE)
217			bits |= 0x40;
218		if (!(diga->status[1] & IEC958_AES1_CON_ORIGINAL))
219			bits |= 0x80;
220		if ((diga->status[1] & IEC958_AES1_CON_CATEGORY) == IEC958_AES1_CON_GENERAL)
221			bits |= 0x03;
222		switch (diga->status[3] & IEC958_AES3_CON_FS) {
223		default:
224		case IEC958_AES3_CON_FS_44100: bits |= 0x06; break;
225		case IEC958_AES3_CON_FS_48000: bits |= 0x04; break;
226		case IEC958_AES3_CON_FS_32000: bits |= 0x02; break;
227		}
228	} else {
229		bits = 0x00;	/* professional mode */
230		if (!(diga->status[0] & IEC958_AES0_NONAUDIO))
231			bits |= 0x04;
232		switch (diga->status[0] & IEC958_AES0_PRO_FS) {
233		case IEC958_AES0_PRO_FS_32000:	bits |= 0x00; break;
234		case IEC958_AES0_PRO_FS_44100:	bits |= 0x40; break;	/* 44.1kHz */
235		case IEC958_AES0_PRO_FS_48000:	bits |= 0x20; break;	/* 48kHz */
236		default:
237		case IEC958_AES0_PRO_FS_NOTID:	bits |= 0x00; break;
238		}
239		switch (diga->status[0] & IEC958_AES0_PRO_EMPHASIS) {
240		case IEC958_AES0_PRO_EMPHASIS_NONE: bits |= 0x02; break;
241		case IEC958_AES0_PRO_EMPHASIS_5015: bits |= 0x01; break;
242		case IEC958_AES0_PRO_EMPHASIS_CCITT: bits |= 0x00; break;
243		default:
244		case IEC958_AES0_PRO_EMPHASIS_NOTID: bits |= 0x03; break;
245		}
246		switch (diga->status[1] & IEC958_AES1_PRO_MODE) {
247		case IEC958_AES1_PRO_MODE_TWO:
248		case IEC958_AES1_PRO_MODE_STEREOPHONIC: bits |= 0x00; break;
249		default: bits |= 0x80; break;
250		}
251	}
252	return bits;
253}
254
255#endif /* SND_CS8404 */
256
257#endif /* __SOUND_CS8403_H */