/* SPDX-License-Identifier: GPL-2.0 */ /* * 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 * 00H 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) #define AK4458_DCHAIN_MASK (0x1 << 1) #define AK4458_DSDSEL_MASK (0x1 << 0) #define AK4458_DP_MASK (0x1 << 7) #endif