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