mirror of https://gitee.com/openkylin/linux.git
57 lines
2.1 KiB
C
57 lines
2.1 KiB
C
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/*
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* Driver for Digigram pcxhr compatible soundcards
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*
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* low level interface with interrupt ans message handling
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*
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* Copyright (c) 2004 by Digigram <alsa@digigram.com>
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*
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* This program is free software; you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation; either version 2 of the License, or
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* (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program; if not, write to the Free Software
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* Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
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*/
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#ifndef __SOUND_PCXHR_MIX22_H
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#define __SOUND_PCXHR_MIX22_H
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struct pcxhr_mgr;
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int hr222_sub_init(struct pcxhr_mgr *mgr);
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int hr222_sub_set_clock(struct pcxhr_mgr *mgr, unsigned int rate,
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int *changed);
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int hr222_get_external_clock(struct pcxhr_mgr *mgr,
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enum pcxhr_clock_type clock_type,
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int *sample_rate);
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#define HR222_LINE_PLAYBACK_LEVEL_MIN 0 /* -25.5 dB */
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#define HR222_LINE_PLAYBACK_ZERO_LEVEL 51 /* 0.0 dB */
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#define HR222_LINE_PLAYBACK_LEVEL_MAX 99 /* +24.0 dB */
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#define HR222_LINE_CAPTURE_LEVEL_MIN 0 /* -111.5 dB */
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#define HR222_LINE_CAPTURE_ZERO_LEVEL 223 /* 0.0 dB */
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#define HR222_LINE_CAPTURE_LEVEL_MAX 255 /* +16 dB */
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#define HR222_MICRO_CAPTURE_LEVEL_MIN 0 /* -98.5 dB */
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#define HR222_MICRO_CAPTURE_LEVEL_MAX 210 /* +6.5 dB */
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int hr222_update_analog_audio_level(struct snd_pcxhr *chip,
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int is_capture,
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int channel);
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int hr222_set_audio_source(struct snd_pcxhr *chip);
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int hr222_iec958_capture_byte(struct snd_pcxhr *chip, int aes_idx,
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unsigned char *aes_bits);
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int hr222_iec958_update_byte(struct snd_pcxhr *chip, int aes_idx,
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unsigned char aes_bits);
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int hr222_add_mic_controls(struct snd_pcxhr *chip);
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#endif /* __SOUND_PCXHR_MIX22_H */
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