pcxhr_mix22.h 2.3 KB

123456789101112131415161718192021222324252627282930313233343536373839404142434445464748495051525354555657585960
  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. #ifndef __SOUND_PCXHR_MIX22_H
  23. #define __SOUND_PCXHR_MIX22_H
  24. struct pcxhr_mgr;
  25. int hr222_sub_init(struct pcxhr_mgr *mgr);
  26. int hr222_sub_set_clock(struct pcxhr_mgr *mgr, unsigned int rate,
  27. int *changed);
  28. int hr222_get_external_clock(struct pcxhr_mgr *mgr,
  29. enum pcxhr_clock_type clock_type,
  30. int *sample_rate);
  31. int hr222_read_gpio(struct pcxhr_mgr *mgr, int is_gpi, int *value);
  32. int hr222_write_gpo(struct pcxhr_mgr *mgr, int value);
  33. int hr222_manage_timecode(struct pcxhr_mgr *mgr, int enable);
  34. #define HR222_LINE_PLAYBACK_LEVEL_MIN 0 /* -25.5 dB */
  35. #define HR222_LINE_PLAYBACK_ZERO_LEVEL 51 /* 0.0 dB */
  36. #define HR222_LINE_PLAYBACK_LEVEL_MAX 99 /* +24.0 dB */
  37. #define HR222_LINE_CAPTURE_LEVEL_MIN 0 /* -111.5 dB */
  38. #define HR222_LINE_CAPTURE_ZERO_LEVEL 223 /* 0.0 dB */
  39. #define HR222_LINE_CAPTURE_LEVEL_MAX 255 /* +16 dB */
  40. #define HR222_MICRO_CAPTURE_LEVEL_MIN 0 /* -98.5 dB */
  41. #define HR222_MICRO_CAPTURE_LEVEL_MAX 210 /* +6.5 dB */
  42. int hr222_update_analog_audio_level(struct snd_pcxhr *chip,
  43. int is_capture,
  44. int channel);
  45. int hr222_set_audio_source(struct snd_pcxhr *chip);
  46. int hr222_iec958_capture_byte(struct snd_pcxhr *chip, int aes_idx,
  47. unsigned char *aes_bits);
  48. int hr222_iec958_update_byte(struct snd_pcxhr *chip, int aes_idx,
  49. unsigned char aes_bits);
  50. int hr222_add_mic_controls(struct snd_pcxhr *chip);
  51. #endif /* __SOUND_PCXHR_MIX22_H */