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-rw-r--r--sound/soc/codecs/ak4458.h90
1 files changed, 90 insertions, 0 deletions
diff --git a/sound/soc/codecs/ak4458.h b/sound/soc/codecs/ak4458.h
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+++ b/sound/soc/codecs/ak4458.h
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+/* 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