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sound
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pci
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au88x0
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au88x0_xtalk.h

au88x0_xtalk.h 2.2 KB
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  1. /***************************************************************************
    2. 

  2.  *            au88x0_cxtalk.h
    3. 

  3.  *
    4. 

  4.  *  Wed Nov 19 19:07:17 2003
    5. 

  5.  *  Copyright  2003  mjander
    6. 

  6.  *  mjander@users.sourceforge.org
    7. 

  7.  ****************************************************************************/
    8. 

  8. 

  9. /*
    10. 

  10.  *  This program is free software; you can redistribute it and/or modify
    11. 

  11.  *  it under the terms of the GNU General Public License as published by
    12. 

  12.  *  the Free Software Foundation; either version 2 of the License, or
    13. 

  13.  *  (at your option) any later version.
    14. 

  14.  *
    15. 

  15.  *  This program is distributed in the hope that it will be useful,
    16. 

  16.  *  but WITHOUT ANY WARRANTY; without even the implied warranty of
    17. 

  17.  *  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
    18. 

  18.  *  GNU Library General Public License for more details.
    19. 

  19.  *
    20. 

  20.  *  You should have received a copy of the GNU General Public License
    21. 

  21.  *  along with this program; if not, write to the Free Software
    22. 

  22.  *  Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
    23. 

  23.  */
    24. 

  24. 

  25. /* The crosstalk canceler supports 5 stereo input channels. The result is 
    26. 

  26.    available at one single output route pair (stereo). */
    27. 

  27. 

  28. #ifndef _AU88X0_CXTALK_H
    29. 

  29. #define _AU88X0_CXTALK_H
    30. 

  30. 

  31. #include "au88x0.h"
    32. 

  32. 

  33. #define XTDLINE_SZ 32
    34. 

  34. #define XTGAINS_SZ 10
    35. 

  35. #define XTINST_SZ 4
    36. 

  36. 

  37. #define XT_HEADPHONE	1
    38. 

  38. #define XT_SPEAKER0		2
    39. 

  39. #define XT_SPEAKER1		3
    40. 

  40. #define XT_DIAMOND		4
    41. 

  41. 

  42. typedef u32 xtalk_dline_t[XTDLINE_SZ];
    43. 

  43. typedef u16 xtalk_gains_t[XTGAINS_SZ];
    44. 

  44. typedef u16 xtalk_instate_t[XTINST_SZ];
    45. 

  45. typedef u16 xtalk_coefs_t[5][5];
    46. 

  46. typedef u16 xtalk_state_t[5][4];
    47. 

  47. 

  48. static void vortex_XtalkHw_SetGains(vortex_t * vortex,
    49. 

  49. 				    xtalk_gains_t const gains);
    50. 

  50. static void vortex_XtalkHw_SetGainsAllChan(vortex_t * vortex);
    51. 

  51. static void vortex_XtalkHw_SetSampleRate(vortex_t * vortex, u32 sr);
    52. 

  52. static void vortex_XtalkHw_ProgramPipe(vortex_t * vortex);
    53. 

  53. static void vortex_XtalkHw_ProgramPipe(vortex_t * vortex);
    54. 

  54. static void vortex_XtalkHw_ProgramXtalkWide(vortex_t * vortex);
    55. 

  55. static void vortex_XtalkHw_ProgramXtalkNarrow(vortex_t * vortex);
    56. 

  56. static void vortex_XtalkHw_ProgramDiamondXtalk(vortex_t * vortex);
    57. 

  57. static void vortex_XtalkHw_Enable(vortex_t * vortex);
    58. 

  58. static void vortex_XtalkHw_Disable(vortex_t * vortex);
    59. 

  59. static void vortex_XtalkHw_init(vortex_t * vortex);
    60. 

  60. 

  61. #endif				/* _AU88X0_CXTALK_H */
    62. 

  62.