include/sound/ak4531_codec.h

   1 /* SPDX-License-Identifier: GPL-2.0-or-later */
   2 #ifndef __SOUND_AK4531_CODEC_H
   3 #define __SOUND_AK4531_CODEC_H
   4
   5 /*
   6  *  Copyright (c) by Jaroslav Kysela <perex@perex.cz>
   7  *  Universal interface for Audio Codec '97
   8  *
   9  *  For more details look to AC '97 component specification revision 2.1
  10  *  by Intel Corporation (http://developer.intel.com).
  11  */
  12
  13 #include <sound/info.h>
  14 #include <sound/control.h>
  15
  16 /*
  17  *  ASAHI KASEI - AK4531 codec
  18  *  - not really AC'97 codec, but it uses very similar interface as AC'97
  19  */
  20
  21 /*
  22  *  AK4531 codec registers
  23  */
  24
  25 #define AK4531_LMASTER  0x00    /* master volume left */
  26 #define AK4531_RMASTER  0x01    /* master volume right */
  27 #define AK4531_LVOICE   0x02    /* channel volume left */
  28 #define AK4531_RVOICE   0x03    /* channel volume right */
  29 #define AK4531_LFM      0x04    /* FM volume left */
  30 #define AK4531_RFM      0x05    /* FM volume right */
  31 #define AK4531_LCD      0x06    /* CD volume left */
  32 #define AK4531_RCD      0x07    /* CD volume right */
  33 #define AK4531_LLINE    0x08    /* LINE volume left */
  34 #define AK4531_RLINE    0x09    /* LINE volume right */
  35 #define AK4531_LAUXA    0x0a    /* AUXA volume left */
  36 #define AK4531_RAUXA    0x0b    /* AUXA volume right */
  37 #define AK4531_MONO1    0x0c    /* MONO1 volume left */
  38 #define AK4531_MONO2    0x0d    /* MONO1 volume right */
  39 #define AK4531_MIC      0x0e    /* MIC volume */
  40 #define AK4531_MONO_OUT 0x0f    /* Mono-out volume */
  41 #define AK4531_OUT_SW1  0x10    /* Output mixer switch 1 */
  42 #define AK4531_OUT_SW2  0x11    /* Output mixer switch 2 */
  43 #define AK4531_LIN_SW1  0x12    /* Input left mixer switch 1 */
  44 #define AK4531_RIN_SW1  0x13    /* Input right mixer switch 1 */
  45 #define AK4531_LIN_SW2  0x14    /* Input left mixer switch 2 */
  46 #define AK4531_RIN_SW2  0x15    /* Input right mixer switch 2 */
  47 #define AK4531_RESET    0x16    /* Reset & power down */
  48 #define AK4531_CLOCK    0x17    /* Clock select */
  49 #define AK4531_AD_IN    0x18    /* AD input select */
  50 #define AK4531_MIC_GAIN 0x19    /* MIC amplified gain */
  51
  52 struct snd_ak4531 {
  53         void (*write) (struct snd_ak4531 *ak4531, unsigned short reg,
  54                        unsigned short val);
  55         void *private_data;
  56         void (*private_free) (struct snd_ak4531 *ak4531);
  57         /* --- */
  58         unsigned char regs[0x20];
  59         struct mutex reg_mutex;
  60 };
  61
  62 int snd_ak4531_mixer(struct snd_card *card, struct snd_ak4531 *_ak4531,
  63                      struct snd_ak4531 **rak4531);
  64
  65 #ifdef CONFIG_PM
  66 void snd_ak4531_suspend(struct snd_ak4531 *ak4531);
  67 void snd_ak4531_resume(struct snd_ak4531 *ak4531);
  68 #endif
  69
  70 #endif /* __SOUND_AK4531_CODEC_H */