/* SPDX-License-Identifier: GPL-2.0-or-later */ /* * Driver for Digigram pcxhr compatible soundcards * * low level interface with interrupt ans message handling * * Copyright (c) 2004 by Digigram <alsa@digigram.com> */ #ifndef __SOUND_PCXHR_MIX22_H #define __SOUND_PCXHR_MIX22_H struct pcxhr_mgr; int hr222_sub_init(struct pcxhr_mgr *mgr); int hr222_sub_set_clock(struct pcxhr_mgr *mgr, unsigned int rate, int *changed); int hr222_get_external_clock(struct pcxhr_mgr *mgr, enum pcxhr_clock_type clock_type, int *sample_rate); int hr222_read_gpio(struct pcxhr_mgr *mgr, int is_gpi, int *value); int hr222_write_gpo(struct pcxhr_mgr *mgr, int value); int hr222_manage_timecode(struct pcxhr_mgr *mgr, int enable); #define HR222_LINE_PLAYBACK_LEVEL_MIN 0 /* -25.5 dB */ #define HR222_LINE_PLAYBACK_ZERO_LEVEL 51 /* 0.0 dB */ #define HR222_LINE_PLAYBACK_LEVEL_MAX 99 /* +24.0 dB */ #define HR222_LINE_CAPTURE_LEVEL_MIN 0 /* -111.5 dB */ #define HR222_LINE_CAPTURE_ZERO_LEVEL 223 /* 0.0 dB */ #define HR222_LINE_CAPTURE_LEVEL_MAX 255 /* +16 dB */ #define HR222_MICRO_CAPTURE_LEVEL_MIN 0 /* -98.5 dB */ #define HR222_MICRO_CAPTURE_LEVEL_MAX 210 /* +6.5 dB */ int hr222_update_analog_audio_level(struct snd_pcxhr *chip, int is_capture, int channel); int hr222_set_audio_source(struct snd_pcxhr *chip); int hr222_iec958_capture_byte(struct snd_pcxhr *chip, int aes_idx, unsigned char *aes_bits); int hr222_iec958_update_byte(struct snd_pcxhr *chip, int aes_idx, unsigned char aes_bits); int hr222_add_mic_controls(struct snd_pcxhr *chip); #endif /* __SOUND_PCXHR_MIX22_H */