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TOMOYO Linux Cross Reference
Linux/sound/pci/pcxhr/pcxhr_mix22.h

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  1 /* SPDX-License-Identifier: GPL-2.0-or-later */
  2 /*
  3  * Driver for Digigram pcxhr compatible soundcards
  4  *
  5  * low level interface with interrupt ans message handling
  6  *
  7  * Copyright (c) 2004 by Digigram <alsa@digigram.com>
  8  */
  9 
 10 #ifndef __SOUND_PCXHR_MIX22_H
 11 #define __SOUND_PCXHR_MIX22_H
 12 
 13 struct pcxhr_mgr;
 14 
 15 int hr222_sub_init(struct pcxhr_mgr *mgr);
 16 int hr222_sub_set_clock(struct pcxhr_mgr *mgr, unsigned int rate,
 17                         int *changed);
 18 int hr222_get_external_clock(struct pcxhr_mgr *mgr,
 19                              enum pcxhr_clock_type clock_type,
 20                              int *sample_rate);
 21 
 22 int hr222_read_gpio(struct pcxhr_mgr *mgr, int is_gpi, int *value);
 23 int hr222_write_gpo(struct pcxhr_mgr *mgr, int value);
 24 int hr222_manage_timecode(struct pcxhr_mgr *mgr, int enable);
 25 
 26 #define HR222_LINE_PLAYBACK_LEVEL_MIN           0       /* -25.5 dB */
 27 #define HR222_LINE_PLAYBACK_ZERO_LEVEL          51      /* 0.0 dB */
 28 #define HR222_LINE_PLAYBACK_LEVEL_MAX           99      /* +24.0 dB */
 29 
 30 #define HR222_LINE_CAPTURE_LEVEL_MIN            0       /* -111.5 dB */
 31 #define HR222_LINE_CAPTURE_ZERO_LEVEL           223     /* 0.0 dB */
 32 #define HR222_LINE_CAPTURE_LEVEL_MAX            255     /* +16 dB */
 33 #define HR222_MICRO_CAPTURE_LEVEL_MIN           0       /* -98.5 dB */
 34 #define HR222_MICRO_CAPTURE_LEVEL_MAX           210     /* +6.5 dB */
 35 
 36 int hr222_update_analog_audio_level(struct snd_pcxhr *chip,
 37                                     int is_capture,
 38                                     int channel);
 39 int hr222_set_audio_source(struct snd_pcxhr *chip);
 40 int hr222_iec958_capture_byte(struct snd_pcxhr *chip, int aes_idx,
 41                               unsigned char *aes_bits);
 42 int hr222_iec958_update_byte(struct snd_pcxhr *chip, int aes_idx,
 43                              unsigned char aes_bits);
 44 
 45 int hr222_add_mic_controls(struct snd_pcxhr *chip);
 46 
 47 #endif /* __SOUND_PCXHR_MIX22_H */
 48 

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