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Diffstat (limited to 'sound/soc/codecs/ak4458.h')
| -rw-r--r-- | sound/soc/codecs/ak4458.h | 89 |
1 files changed, 89 insertions, 0 deletions
diff --git a/sound/soc/codecs/ak4458.h b/sound/soc/codecs/ak4458.h new file mode 100644 index 000000000..9548c5d78 --- /dev/null +++ b/sound/soc/codecs/ak4458.h @@ -0,0 +1,89 @@ +/* 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_DSDSEL_MASK (0x1 << 0) +#define AK4458_DP_MASK (0x1 << 7) + +#endif |