include/sound/ak4531_codec.h

   1 #ifndef __SOUND_AK4531_CODEC_H
   2 #define __SOUND_AK4531_CODEC_H
   3
   4 /*
   5  *  Copyright (c) by Jaroslav Kysela <perex@suse.cz>
   6  *  Universal interface for Audio Codec '97
   7  *
   8  *  For more details look to AC '97 component specification revision 2.1
   9  *  by Intel Corporation (http://developer.intel.com).
  10  *
  11  *
  12  *   This program is free software; you can redistribute it and/or modify
  13  *   it under the terms of the GNU General Public License as published by
  14  *   the Free Software Foundation; either version 2 of the License, or
  15  *   (at your option) any later version.
  16  *
  17  *   This program is distributed in the hope that it will be useful,
  18  *   but WITHOUT ANY WARRANTY; without even the implied warranty of
  19  *   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  20  *   GNU General Public License for more details.
  21  *
  22  *   You should have received a copy of the GNU General Public License
  23  *   along with this program; if not, write to the Free Software
  24  *   Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307 USA
  25  *
  26  */
  27
  28 #include "info.h"
  29 #include "control.h"
  30
  31 /*
  32  *  ASAHI KASEI - AK4531 codec
  33  *  - not really AC'97 codec, but it uses very similar interface as AC'97
  34  */
  35
  36 /*
  37  *  AK4531 codec registers
  38  */
  39
  40 #define AK4531_LMASTER  0x00    /* master volume left */
  41 #define AK4531_RMASTER  0x01    /* master volume right */
  42 #define AK4531_LVOICE   0x02    /* channel volume left */
  43 #define AK4531_RVOICE   0x03    /* channel volume right */
  44 #define AK4531_LFM      0x04    /* FM volume left */
  45 #define AK4531_RFM      0x05    /* FM volume right */
  46 #define AK4531_LCD      0x06    /* CD volume left */
  47 #define AK4531_RCD      0x07    /* CD volume right */
  48 #define AK4531_LLINE    0x08    /* LINE volume left */
  49 #define AK4531_RLINE    0x09    /* LINE volume right */
  50 #define AK4531_LAUXA    0x0a    /* AUXA volume left */
  51 #define AK4531_RAUXA    0x0b    /* AUXA volume right */
  52 #define AK4531_MONO1    0x0c    /* MONO1 volume left */
  53 #define AK4531_MONO2    0x0d    /* MONO1 volume right */
  54 #define AK4531_MIC      0x0e    /* MIC volume */
  55 #define AK4531_MONO_OUT 0x0f    /* Mono-out volume */
  56 #define AK4531_OUT_SW1  0x10    /* Output mixer switch 1 */
  57 #define AK4531_OUT_SW2  0x11    /* Output mixer switch 2 */
  58 #define AK4531_LIN_SW1  0x12    /* Input left mixer switch 1 */
  59 #define AK4531_RIN_SW1  0x13    /* Input right mixer switch 1 */
  60 #define AK4531_LIN_SW2  0x14    /* Input left mixer switch 2 */
  61 #define AK4531_RIN_SW2  0x15    /* Input right mixer switch 2 */
  62 #define AK4531_RESET    0x16    /* Reset & power down */
  63 #define AK4531_CLOCK    0x17    /* Clock select */
  64 #define AK4531_AD_IN    0x18    /* AD input select */
  65 #define AK4531_MIC_GAIN 0x19    /* MIC amplified gain */
  66
  67 typedef struct _snd_ak4531 ak4531_t;
  68
  69 struct _snd_ak4531 {
  70         void (*write) (ak4531_t *ak4531, unsigned short reg, unsigned short val);
  71         void *private_data;
  72         void (*private_free) (ak4531_t *ak4531);
  73         /* --- */
  74         unsigned char regs[0x20];
  75         struct semaphore reg_mutex;
  76 };
  77
  78 int snd_ak4531_mixer(snd_card_t * card, ak4531_t * _ak4531, ak4531_t ** rak4531);
  79
  80 #endif /* __SOUND_AK4531_CODEC_H */