include/sound/ak4531_codec.h

0001 /* SPDX-License-Identifier: GPL-2.0-or-later */
0002 #ifndef __SOUND_AK4531_CODEC_H
0003 #define __SOUND_AK4531_CODEC_H
0004
0005 /*
0006  *  Copyright (c) by Jaroslav Kysela <perex@perex.cz>
0007  *  Universal interface for Audio Codec '97
0008  *
0009  *  For more details look to AC '97 component specification revision 2.1
0010  *  by Intel Corporation (http://developer.intel.com).
0011  */
0012
0013 #include <sound/info.h>
0014 #include <sound/control.h>
0015
0016 /*
0017  *  ASAHI KASEI - AK4531 codec
0018  *  - not really AC'97 codec, but it uses very similar interface as AC'97
0019  */
0020
0021 /*
0022  *  AK4531 codec registers
0023  */
0024
0025 #define AK4531_LMASTER  0x00    /* master volume left */
0026 #define AK4531_RMASTER  0x01    /* master volume right */
0027 #define AK4531_LVOICE   0x02    /* channel volume left */
0028 #define AK4531_RVOICE   0x03    /* channel volume right */
0029 #define AK4531_LFM      0x04    /* FM volume left */
0030 #define AK4531_RFM      0x05    /* FM volume right */
0031 #define AK4531_LCD      0x06    /* CD volume left */
0032 #define AK4531_RCD      0x07    /* CD volume right */
0033 #define AK4531_LLINE    0x08    /* LINE volume left */
0034 #define AK4531_RLINE    0x09    /* LINE volume right */
0035 #define AK4531_LAUXA    0x0a    /* AUXA volume left */
0036 #define AK4531_RAUXA    0x0b    /* AUXA volume right */
0037 #define AK4531_MONO1    0x0c    /* MONO1 volume left */
0038 #define AK4531_MONO2    0x0d    /* MONO1 volume right */
0039 #define AK4531_MIC      0x0e    /* MIC volume */
0040 #define AK4531_MONO_OUT 0x0f    /* Mono-out volume */
0041 #define AK4531_OUT_SW1  0x10    /* Output mixer switch 1 */
0042 #define AK4531_OUT_SW2  0x11    /* Output mixer switch 2 */
0043 #define AK4531_LIN_SW1  0x12    /* Input left mixer switch 1 */
0044 #define AK4531_RIN_SW1  0x13    /* Input right mixer switch 1 */
0045 #define AK4531_LIN_SW2  0x14    /* Input left mixer switch 2 */
0046 #define AK4531_RIN_SW2  0x15    /* Input right mixer switch 2 */
0047 #define AK4531_RESET    0x16    /* Reset & power down */
0048 #define AK4531_CLOCK    0x17    /* Clock select */
0049 #define AK4531_AD_IN    0x18    /* AD input select */
0050 #define AK4531_MIC_GAIN 0x19    /* MIC amplified gain */
0051
0052 struct snd_ak4531 {
0053     void (*write) (struct snd_ak4531 *ak4531, unsigned short reg,
0054                unsigned short val);
0055     void *private_data;
0056     void (*private_free) (struct snd_ak4531 *ak4531);
0057     /* --- */
0058     unsigned char regs[0x20];
0059     struct mutex reg_mutex;
0060 };
0061
0062 int snd_ak4531_mixer(struct snd_card *card, struct snd_ak4531 *_ak4531,
0063              struct snd_ak4531 **rak4531);
0064
0065 #ifdef CONFIG_PM
0066 void snd_ak4531_suspend(struct snd_ak4531 *ak4531);
0067 void snd_ak4531_resume(struct snd_ak4531 *ak4531);
0068 #endif
0069
0070 #endif /* __SOUND_AK4531_CODEC_H */