1/* 2 * Driver for Digigram pcxhr compatible soundcards 3 * 4 * low level interface with interrupt ans message handling 5 * 6 * Copyright (c) 2004 by Digigram <alsa@digigram.com> 7 * 8 * This program is free software; you can redistribute it and/or modify 9 * it under the terms of the GNU General Public License as published by 10 * the Free Software Foundation; either version 2 of the License, or 11 * (at your option) any later version. 12 * 13 * This program is distributed in the hope that it will be useful, 14 * but WITHOUT ANY WARRANTY; without even the implied warranty of 15 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the 16 * GNU General Public License for more details. 17 * 18 * You should have received a copy of the GNU General Public License 19 * along with this program; if not, write to the Free Software 20 * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA 21 */ 22 23#ifndef __SOUND_PCXHR_MIX22_H 24#define __SOUND_PCXHR_MIX22_H 25 26struct pcxhr_mgr; 27 28int hr222_sub_init(struct pcxhr_mgr *mgr); 29int hr222_sub_set_clock(struct pcxhr_mgr *mgr, unsigned int rate, 30 int *changed); 31int hr222_get_external_clock(struct pcxhr_mgr *mgr, 32 enum pcxhr_clock_type clock_type, 33 int *sample_rate); 34 35int hr222_read_gpio(struct pcxhr_mgr *mgr, int is_gpi, int *value); 36int hr222_write_gpo(struct pcxhr_mgr *mgr, int value); 37 38#define HR222_LINE_PLAYBACK_LEVEL_MIN 0 /* -25.5 dB */ 39#define HR222_LINE_PLAYBACK_ZERO_LEVEL 51 /* 0.0 dB */ 40#define HR222_LINE_PLAYBACK_LEVEL_MAX 99 /* +24.0 dB */ 41 42#define HR222_LINE_CAPTURE_LEVEL_MIN 0 /* -111.5 dB */ 43#define HR222_LINE_CAPTURE_ZERO_LEVEL 223 /* 0.0 dB */ 44#define HR222_LINE_CAPTURE_LEVEL_MAX 255 /* +16 dB */ 45#define HR222_MICRO_CAPTURE_LEVEL_MIN 0 /* -98.5 dB */ 46#define HR222_MICRO_CAPTURE_LEVEL_MAX 210 /* +6.5 dB */ 47 48int hr222_update_analog_audio_level(struct snd_pcxhr *chip, 49 int is_capture, 50 int channel); 51int hr222_set_audio_source(struct snd_pcxhr *chip); 52int hr222_iec958_capture_byte(struct snd_pcxhr *chip, int aes_idx, 53 unsigned char *aes_bits); 54int hr222_iec958_update_byte(struct snd_pcxhr *chip, int aes_idx, 55 unsigned char aes_bits); 56 57int hr222_add_mic_controls(struct snd_pcxhr *chip); 58 59#endif /* __SOUND_PCXHR_MIX22_H */ 60