release/src-rt-6.x.4708/linux/linux-2.6.36/sound/pci/pcxhr/pcxhr_mix22.h

   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
  26 struct pcxhr_mgr;
  27
  28 int hr222_sub_init(struct pcxhr_mgr *mgr);
  29 int hr222_sub_set_clock(struct pcxhr_mgr *mgr, unsigned int rate,
  30                         int *changed);
  31 int hr222_get_external_clock(struct pcxhr_mgr *mgr,
  32                              enum pcxhr_clock_type clock_type,
  33                              int *sample_rate);
  34
  35 int hr222_read_gpio(struct pcxhr_mgr *mgr, int is_gpi, int *value);
  36 int 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
  48 int hr222_update_analog_audio_level(struct snd_pcxhr *chip,
  49                                     int is_capture,
  50                                     int channel);
  51 int hr222_set_audio_source(struct snd_pcxhr *chip);
  52 int hr222_iec958_capture_byte(struct snd_pcxhr *chip, int aes_idx,
  53                               unsigned char *aes_bits);
  54 int hr222_iec958_update_byte(struct snd_pcxhr *chip, int aes_idx,
  55                              unsigned char aes_bits);
  56
  57 int hr222_add_mic_controls(struct snd_pcxhr *chip);
  58
  59 #endif /* __SOUND_PCXHR_MIX22_H */