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kernel/linux-imx6_3.14.28/include/sound/ad1843.h 1.48 KB
6b13f685e   김민수   BSP 최초 추가
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  /*
   * This file is subject to the terms and conditions of the GNU General Public
   * License.  See the file "COPYING" in the main directory of this archive
   * for more details.
   *
   * Copyright 2003 Vivien Chappelier <vivien.chappelier@linux-mips.org>
   * Copyright 2008 Thomas Bogendoerfer <tsbogend@franken.de>
   */
  
  #ifndef __SOUND_AD1843_H
  #define __SOUND_AD1843_H
  
  struct snd_ad1843 {
  	void *chip;
  	int (*read)(void *chip, int reg);
  	int (*write)(void *chip, int reg, int val);
  };
  
  #define AD1843_GAIN_RECLEV 0
  #define AD1843_GAIN_LINE   1
  #define AD1843_GAIN_LINE_2 2
  #define AD1843_GAIN_MIC    3
  #define AD1843_GAIN_PCM_0  4
  #define AD1843_GAIN_PCM_1  5
  #define AD1843_GAIN_SIZE   (AD1843_GAIN_PCM_1+1)
  
  int ad1843_get_gain_max(struct snd_ad1843 *ad1843, int id);
  int ad1843_get_gain(struct snd_ad1843 *ad1843, int id);
  int ad1843_set_gain(struct snd_ad1843 *ad1843, int id, int newval);
  int ad1843_get_recsrc(struct snd_ad1843 *ad1843);
  int ad1843_set_recsrc(struct snd_ad1843 *ad1843, int newsrc);
  void ad1843_setup_dac(struct snd_ad1843 *ad1843,
  		      unsigned int id,
  		      unsigned int framerate,
  		      snd_pcm_format_t fmt,
  		      unsigned int channels);
  void ad1843_shutdown_dac(struct snd_ad1843 *ad1843,
  			 unsigned int id);
  void ad1843_setup_adc(struct snd_ad1843 *ad1843,
  		      unsigned int framerate,
  		      snd_pcm_format_t fmt,
  		      unsigned int channels);
  void ad1843_shutdown_adc(struct snd_ad1843 *ad1843);
  int ad1843_init(struct snd_ad1843 *ad1843);
  
  #endif /* __SOUND_AD1843_H */