linux-stable/sound/soc/codecs/ak5558.h
Daniel Baluta 9208847774
ASoC: ak5558: Add support for AK5558 ADC driver
AK5558 is a 32-bit, 768 kHZ sampling, differential input ADC
for digital audio systems.

Datasheet is available at:

https://www.akm.com/akm/en/file/datasheet/AK5558VN.pdf

Initial patch includes support for normal and TDM modes.

Reviewed-by: Andy Shevchenko <andy.shevchenko@gmail.com>
Reviewed-by: Fabio Estevam <fabio.estevam@nxp.com>
Signed-off-by: Junichi Wakasugi <wakasugi.jb@om.asahi-kasei.co.jp>
[initial coding for 3.18 kernel]
Signed-off-by: Mihai Serban <mihai.serban@nxp.com>
[cleanups and porting to 4.9 kernel]
Signed-off-by: Shengjiu Wang <shengjiu.wang@nxp.com>
[tdm support]
Signed-off-by: Daniel Baluta <daniel.baluta@nxp.com>
[pm support, cleanups and porting to latest kernel]
Signed-off-by: Mark Brown <broonie@kernel.org>
2018-02-16 12:15:28 +00:00

52 lines
1.6 KiB
C

// SPDX-License-Identifier: GPL-2.0
/*
* Audio driver header for AK5558
*
* Copyright (C) 2016 Asahi Kasei Microdevices Corporation
* Copyright 2018 NXP
*/
#ifndef _AK5558_H
#define _AK5558_H
#define AK5558_00_POWER_MANAGEMENT1 0x00
#define AK5558_01_POWER_MANAGEMENT2 0x01
#define AK5558_02_CONTROL1 0x02
#define AK5558_03_CONTROL2 0x03
#define AK5558_04_CONTROL3 0x04
#define AK5558_05_DSD 0x05
/* AK5558_02_CONTROL1 fields */
#define AK5558_DIF GENMASK(1, 1)
#define AK5558_DIF_MSB_MODE (0 << 1)
#define AK5558_DIF_I2S_MODE (1 << 1)
#define AK5558_BITS GENMASK(2, 2)
#define AK5558_DIF_24BIT_MODE (0 << 2)
#define AK5558_DIF_32BIT_MODE (1 << 2)
#define AK5558_CKS GENMASK(6, 3)
#define AK5558_CKS_128FS_192KHZ (0 << 3)
#define AK5558_CKS_192FS_192KHZ (1 << 3)
#define AK5558_CKS_256FS_48KHZ (2 << 3)
#define AK5558_CKS_256FS_96KHZ (3 << 3)
#define AK5558_CKS_384FS_96KHZ (4 << 3)
#define AK5558_CKS_384FS_48KHZ (5 << 3)
#define AK5558_CKS_512FS_48KHZ (6 << 3)
#define AK5558_CKS_768FS_48KHZ (7 << 3)
#define AK5558_CKS_64FS_384KHZ (8 << 3)
#define AK5558_CKS_32FS_768KHZ (9 << 3)
#define AK5558_CKS_96FS_384KHZ (10 << 3)
#define AK5558_CKS_48FS_768KHZ (11 << 3)
#define AK5558_CKS_64FS_768KHZ (12 << 3)
#define AK5558_CKS_1024FS_16KHZ (13 << 3)
#define AK5558_CKS_AUTO (15 << 3)
/* AK5558_03_CONTROL2 fields */
#define AK5558_MODE_BITS GENMASK(6, 5)
#define AK5558_MODE_NORMAL (0 << 5)
#define AK5558_MODE_TDM128 (1 << 5)
#define AK5558_MODE_TDM256 (2 << 5)
#define AK5558_MODE_TDM512 (3 << 5)
#endif