2018-02-20 10:56:07 +02:00
/* SPDX-License-Identifier: GPL-2.0 */
2018-02-14 15:21:06 +02:00
/*
* Audio driver for AK4458
*
* Copyright ( C ) 2016 Asahi Kasei Microdevices Corporation
* Copyright 2018 NXP
*/
# ifndef _AK4458_H
# define _AK4458_H
# include <linux/regmap.h>
/* Settings */
# define AK4458_00_CONTROL1 0x00
# define AK4458_01_CONTROL2 0x01
# define AK4458_02_CONTROL3 0x02
# define AK4458_03_LCHATT 0x03
# define AK4458_04_RCHATT 0x04
# define AK4458_05_CONTROL4 0x05
# define AK4458_06_DSD1 0x06
# define AK4458_07_CONTROL5 0x07
# define AK4458_08_SOUND_CONTROL 0x08
# define AK4458_09_DSD2 0x09
# define AK4458_0A_CONTROL6 0x0A
# define AK4458_0B_CONTROL7 0x0B
# define AK4458_0C_CONTROL8 0x0C
# define AK4458_0D_CONTROL9 0x0D
# define AK4458_0E_CONTROL10 0x0E
# define AK4458_0F_L2CHATT 0x0F
# define AK4458_10_R2CHATT 0x10
# define AK4458_11_L3CHATT 0x11
# define AK4458_12_R3CHATT 0x12
# define AK4458_13_L4CHATT 0x13
# define AK4458_14_R4CHATT 0x14
/* Bitfield Definitions */
/* AK4458_00_CONTROL1 (0x00) Fields
* Addr Register Name D7 D6 D5 D4 D3 D2 D1 D0
* 00 H Control 1 ACKS 0 0 0 DIF2 DIF1 DIF0 RSTN
*/
/* Digital Filter (SD, SLOW, SSLOW) */
# define AK4458_SD_MASK GENMASK(5, 5)
# define AK4458_SLOW_MASK GENMASK(0, 0)
# define AK4458_SSLOW_MASK GENMASK(0, 0)
/* DIF2 1 0
* x 1 0 MSB justified Figure 3 ( default )
* x 1 1 I2S Compliment Figure 4
*/
# define AK4458_DIF_SHIFT 1
# define AK4458_DIF_MASK GENMASK(3, 1)
# define AK4458_DIF_16BIT_LSB (0 << 1)
# define AK4458_DIF_24BIT_I2S (3 << 1)
# define AK4458_DIF_32BIT_LSB (5 << 1)
# define AK4458_DIF_32BIT_MSB (6 << 1)
# define AK4458_DIF_32BIT_I2S (7 << 1)
/* AK4458_00_CONTROL1 (0x00) D0 bit */
# define AK4458_RSTN_MASK GENMASK(0, 0)
# define AK4458_RSTN (0x1 << 0)
/* AK4458_0A_CONTROL6 Mode bits */
# define AK4458_MODE_SHIFT 6
# define AK4458_MODE_MASK GENMASK(7, 6)
# define AK4458_MODE_NORMAL (0 << AK4458_MODE_SHIFT)
# define AK4458_MODE_TDM128 (1 << AK4458_MODE_SHIFT)
# define AK4458_MODE_TDM256 (2 << AK4458_MODE_SHIFT)
# define AK4458_MODE_TDM512 (3 << AK4458_MODE_SHIFT)
/* DAC Digital attenuator transition time setting
* Table 19
* Mode ATS1 ATS2 ATT speed
* 0 0 0 4080 / fs
* 1 0 1 2040 / fs
* 2 1 0 510 / fs
* 3 1 1 255 / fs
* */
# define AK4458_ATS_SHIFT 6
# define AK4458_ATS_MASK GENMASK(7, 6)
# endif /* _AK4458_H */