sound/pci/pcxhr/pcxhr_mix22.h

   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 */