LXR linux/sound/pci/pcxhr/pcxhr

   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
  13struct pcxhr_mgr;
  14
  15int hr222_sub_init(struct pcxhr_mgr *mgr);
  16int hr222_sub_set_clock(struct pcxhr_mgr *mgr, unsigned int rate,
  17                        int *changed);
  18int hr222_get_external_clock(struct pcxhr_mgr *mgr,
  19                             enum pcxhr_clock_type clock_type,
  20                             int *sample_rate);
  21
  22int hr222_read_gpio(struct pcxhr_mgr *mgr, int is_gpi, int *value);
  23int hr222_write_gpo(struct pcxhr_mgr *mgr, int value);
  24int 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
  36int hr222_update_analog_audio_level(struct snd_pcxhr *chip,
  37                                    int is_capture,
  38                                    int channel);
  39int hr222_set_audio_source(struct snd_pcxhr *chip);
  40int hr222_iec958_capture_byte(struct snd_pcxhr *chip, int aes_idx,
  41                              unsigned char *aes_bits);
  42int hr222_iec958_update_byte(struct snd_pcxhr *chip, int aes_idx,
  43                             unsigned char aes_bits);
  44
  45int hr222_add_mic_controls(struct snd_pcxhr *chip);
  46
  47#endif /* __SOUND_PCXHR_MIX22_H */
  48