LXR linux/sound/pci/pcxhr/pcxhr

   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);
  37int hr222_manage_timecode(struct pcxhr_mgr *mgr, int enable);
  38
  39#define HR222_LINE_PLAYBACK_LEVEL_MIN           0       /* -25.5 dB */
  40#define HR222_LINE_PLAYBACK_ZERO_LEVEL          51      /* 0.0 dB */
  41#define HR222_LINE_PLAYBACK_LEVEL_MAX           99      /* +24.0 dB */
  42
  43#define HR222_LINE_CAPTURE_LEVEL_MIN            0       /* -111.5 dB */
  44#define HR222_LINE_CAPTURE_ZERO_LEVEL           223     /* 0.0 dB */
  45#define HR222_LINE_CAPTURE_LEVEL_MAX            255     /* +16 dB */
  46#define HR222_MICRO_CAPTURE_LEVEL_MIN           0       /* -98.5 dB */
  47#define HR222_MICRO_CAPTURE_LEVEL_MAX           210     /* +6.5 dB */
  48
  49int hr222_update_analog_audio_level(struct snd_pcxhr *chip,
  50                                    int is_capture,
  51                                    int channel);
  52int hr222_set_audio_source(struct snd_pcxhr *chip);
  53int hr222_iec958_capture_byte(struct snd_pcxhr *chip, int aes_idx,
  54                              unsigned char *aes_bits);
  55int hr222_iec958_update_byte(struct snd_pcxhr *chip, int aes_idx,
  56                             unsigned char aes_bits);
  57
  58int hr222_add_mic_controls(struct snd_pcxhr *chip);
  59
  60#endif /* __SOUND_PCXHR_MIX22_H */
  61