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Diffstat (limited to '')
| -rw-r--r-- | include/sound/ak4531_codec.h | 70 |
1 files changed, 70 insertions, 0 deletions
diff --git a/include/sound/ak4531_codec.h b/include/sound/ak4531_codec.h new file mode 100644 index 000000000..9a4429970 --- /dev/null +++ b/include/sound/ak4531_codec.h @@ -0,0 +1,70 @@ +/* SPDX-License-Identifier: GPL-2.0-or-later */ +#ifndef __SOUND_AK4531_CODEC_H +#define __SOUND_AK4531_CODEC_H + +/* + * Copyright (c) by Jaroslav Kysela <perex@perex.cz> + * Universal interface for Audio Codec '97 + * + * For more details look to AC '97 component specification revision 2.1 + * by Intel Corporation (http://developer.intel.com). + */ + +#include <sound/info.h> +#include <sound/control.h> + +/* + * ASAHI KASEI - AK4531 codec + * - not really AC'97 codec, but it uses very similar interface as AC'97 + */ + +/* + * AK4531 codec registers + */ + +#define AK4531_LMASTER 0x00 /* master volume left */ +#define AK4531_RMASTER 0x01 /* master volume right */ +#define AK4531_LVOICE 0x02 /* channel volume left */ +#define AK4531_RVOICE 0x03 /* channel volume right */ +#define AK4531_LFM 0x04 /* FM volume left */ +#define AK4531_RFM 0x05 /* FM volume right */ +#define AK4531_LCD 0x06 /* CD volume left */ +#define AK4531_RCD 0x07 /* CD volume right */ +#define AK4531_LLINE 0x08 /* LINE volume left */ +#define AK4531_RLINE 0x09 /* LINE volume right */ +#define AK4531_LAUXA 0x0a /* AUXA volume left */ +#define AK4531_RAUXA 0x0b /* AUXA volume right */ +#define AK4531_MONO1 0x0c /* MONO1 volume left */ +#define AK4531_MONO2 0x0d /* MONO1 volume right */ +#define AK4531_MIC 0x0e /* MIC volume */ +#define AK4531_MONO_OUT 0x0f /* Mono-out volume */ +#define AK4531_OUT_SW1 0x10 /* Output mixer switch 1 */ +#define AK4531_OUT_SW2 0x11 /* Output mixer switch 2 */ +#define AK4531_LIN_SW1 0x12 /* Input left mixer switch 1 */ +#define AK4531_RIN_SW1 0x13 /* Input right mixer switch 1 */ +#define AK4531_LIN_SW2 0x14 /* Input left mixer switch 2 */ +#define AK4531_RIN_SW2 0x15 /* Input right mixer switch 2 */ +#define AK4531_RESET 0x16 /* Reset & power down */ +#define AK4531_CLOCK 0x17 /* Clock select */ +#define AK4531_AD_IN 0x18 /* AD input select */ +#define AK4531_MIC_GAIN 0x19 /* MIC amplified gain */ + +struct snd_ak4531 { + void (*write) (struct snd_ak4531 *ak4531, unsigned short reg, + unsigned short val); + void *private_data; + void (*private_free) (struct snd_ak4531 *ak4531); + /* --- */ + unsigned char regs[0x20]; + struct mutex reg_mutex; +}; + +int snd_ak4531_mixer(struct snd_card *card, struct snd_ak4531 *_ak4531, + struct snd_ak4531 **rak4531); + +#ifdef CONFIG_PM +void snd_ak4531_suspend(struct snd_ak4531 *ak4531); +void snd_ak4531_resume(struct snd_ak4531 *ak4531); +#endif + +#endif /* __SOUND_AK4531_CODEC_H */ |