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diff --git a/sound/soc/codecs/nau8822.h b/sound/soc/codecs/nau8822.h
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+++ b/sound/soc/codecs/nau8822.h
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+/*
+ * nau8822.h -- NAU8822 Soc Audio Codec driver
+ *
+ * Author: David Lin <ctlin0@nuvoton.com>
+ * Co-author: John Hsu <kchsu0@nuvoton.com>
+ * Co-author: Seven Li <wtli@nuvoton.com>
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License version 2 as
+ * published by the Free Software Foundation.
+ */
+
+#ifndef __NAU8822_H__
+#define __NAU8822_H__
+
+#define NAU8822_REG_RESET 0x00
+#define NAU8822_REG_POWER_MANAGEMENT_1 0x01
+#define NAU8822_REG_POWER_MANAGEMENT_2 0x02
+#define NAU8822_REG_POWER_MANAGEMENT_3 0x03
+#define NAU8822_REG_AUDIO_INTERFACE 0x04
+#define NAU8822_REG_COMPANDING_CONTROL 0x05
+#define NAU8822_REG_CLOCKING 0x06
+#define NAU8822_REG_ADDITIONAL_CONTROL 0x07
+#define NAU8822_REG_GPIO_CONTROL 0x08
+#define NAU8822_REG_JACK_DETECT_CONTROL_1 0x09
+#define NAU8822_REG_DAC_CONTROL 0x0A
+#define NAU8822_REG_LEFT_DAC_DIGITAL_VOLUME 0x0B
+#define NAU8822_REG_RIGHT_DAC_DIGITAL_VOLUME 0x0C
+#define NAU8822_REG_JACK_DETECT_CONTROL_2 0x0D
+#define NAU8822_REG_ADC_CONTROL 0x0E
+#define NAU8822_REG_LEFT_ADC_DIGITAL_VOLUME 0x0F
+#define NAU8822_REG_RIGHT_ADC_DIGITAL_VOLUME 0x10
+#define NAU8822_REG_EQ1 0x12
+#define NAU8822_REG_EQ2 0x13
+#define NAU8822_REG_EQ3 0x14
+#define NAU8822_REG_EQ4 0x15
+#define NAU8822_REG_EQ5 0x16
+#define NAU8822_REG_DAC_LIMITER_1 0x18
+#define NAU8822_REG_DAC_LIMITER_2 0x19
+#define NAU8822_REG_NOTCH_FILTER_1 0x1B
+#define NAU8822_REG_NOTCH_FILTER_2 0x1C
+#define NAU8822_REG_NOTCH_FILTER_3 0x1D
+#define NAU8822_REG_NOTCH_FILTER_4 0x1E
+#define NAU8822_REG_ALC_CONTROL_1 0x20
+#define NAU8822_REG_ALC_CONTROL_2 0x21
+#define NAU8822_REG_ALC_CONTROL_3 0x22
+#define NAU8822_REG_NOISE_GATE 0x23
+#define NAU8822_REG_PLL_N 0x24
+#define NAU8822_REG_PLL_K1 0x25
+#define NAU8822_REG_PLL_K2 0x26
+#define NAU8822_REG_PLL_K3 0x27
+#define NAU8822_REG_3D_CONTROL 0x29
+#define NAU8822_REG_RIGHT_SPEAKER_CONTROL 0x2B
+#define NAU8822_REG_INPUT_CONTROL 0x2C
+#define NAU8822_REG_LEFT_INP_PGA_CONTROL 0x2D
+#define NAU8822_REG_RIGHT_INP_PGA_CONTROL 0x2E
+#define NAU8822_REG_LEFT_ADC_BOOST_CONTROL 0x2F
+#define NAU8822_REG_RIGHT_ADC_BOOST_CONTROL 0x30
+#define NAU8822_REG_OUTPUT_CONTROL 0x31
+#define NAU8822_REG_LEFT_MIXER_CONTROL 0x32
+#define NAU8822_REG_RIGHT_MIXER_CONTROL 0x33
+#define NAU8822_REG_LHP_VOLUME 0x34
+#define NAU8822_REG_RHP_VOLUME 0x35
+#define NAU8822_REG_LSPKOUT_VOLUME 0x36
+#define NAU8822_REG_RSPKOUT_VOLUME 0x37
+#define NAU8822_REG_AUX2_MIXER 0x38
+#define NAU8822_REG_AUX1_MIXER 0x39
+#define NAU8822_REG_POWER_MANAGEMENT_4 0x3A
+#define NAU8822_REG_LEFT_TIME_SLOT 0x3B
+#define NAU8822_REG_MISC 0x3C
+#define NAU8822_REG_RIGHT_TIME_SLOT 0x3D
+#define NAU8822_REG_DEVICE_REVISION 0x3E
+#define NAU8822_REG_DEVICE_ID 0x3F
+#define NAU8822_REG_DAC_DITHER 0x41
+#define NAU8822_REG_ALC_ENHANCE_1 0x46
+#define NAU8822_REG_ALC_ENHANCE_2 0x47
+#define NAU8822_REG_192KHZ_SAMPLING 0x48
+#define NAU8822_REG_MISC_CONTROL 0x49
+#define NAU8822_REG_INPUT_TIEOFF 0x4A
+#define NAU8822_REG_POWER_REDUCTION 0x4B
+#define NAU8822_REG_AGC_PEAK2PEAK 0x4C
+#define NAU8822_REG_AGC_PEAK_DETECT 0x4D
+#define NAU8822_REG_AUTOMUTE_CONTROL 0x4E
+#define NAU8822_REG_OUTPUT_TIEOFF 0x4F
+#define NAU8822_REG_MAX_REGISTER NAU8822_REG_OUTPUT_TIEOFF
+
+/* NAU8822_REG_POWER_MANAGEMENT_1 (0x1) */
+#define NAU8822_REFIMP_MASK 0x3
+#define NAU8822_REFIMP_80K 0x1
+#define NAU8822_REFIMP_300K 0x2
+#define NAU8822_REFIMP_3K 0x3
+#define NAU8822_IOBUF_EN (0x1 << 2)
+#define NAU8822_ABIAS_EN (0x1 << 3)
+
+/* NAU8822_REG_AUDIO_INTERFACE (0x4) */
+#define NAU8822_AIFMT_MASK (0x3 << 3)
+#define NAU8822_WLEN_MASK (0x3 << 5)
+#define NAU8822_WLEN_20 (0x1 << 5)
+#define NAU8822_WLEN_24 (0x2 << 5)
+#define NAU8822_WLEN_32 (0x3 << 5)
+#define NAU8822_LRP_MASK (0x1 << 7)
+#define NAU8822_BCLKP_MASK (0x1 << 8)
+
+/* NAU8822_REG_COMPANDING_CONTROL (0x5) */
+#define NAU8822_ADDAP_SFT 0
+#define NAU8822_ADCCM_SFT 1
+#define NAU8822_DACCM_SFT 3
+
+/* NAU8822_REG_CLOCKING (0x6) */
+#define NAU8822_CLKIOEN_MASK 0x1
+#define NAU8822_MCLKSEL_SFT 5
+#define NAU8822_MCLKSEL_MASK (0x7 << 5)
+#define NAU8822_BCLKSEL_SFT 2
+#define NAU8822_BCLKSEL_MASK (0x7 << 2)
+#define NAU8822_CLKM_MASK (0x1 << 8)
+#define NAU8822_CLKM_MCLK (0x0 << 8)
+#define NAU8822_CLKM_PLL (0x1 << 8)
+
+/* NAU8822_REG_ADDITIONAL_CONTROL (0x08) */
+#define NAU8822_SMPLR_SFT 1
+#define NAU8822_SMPLR_MASK (0x7 << 1)
+#define NAU8822_SMPLR_48K (0x0 << 1)
+#define NAU8822_SMPLR_32K (0x1 << 1)
+#define NAU8822_SMPLR_24K (0x2 << 1)
+#define NAU8822_SMPLR_16K (0x3 << 1)
+#define NAU8822_SMPLR_12K (0x4 << 1)
+#define NAU8822_SMPLR_8K (0x5 << 1)
+
+/* NAU8822_REG_EQ1 (0x12) */
+#define NAU8822_EQ1GC_SFT 0
+#define NAU8822_EQ1CF_SFT 5
+#define NAU8822_EQM_SFT 8
+
+/* NAU8822_REG_EQ2 (0x13) */
+#define NAU8822_EQ2GC_SFT 0
+#define NAU8822_EQ2CF_SFT 5
+#define NAU8822_EQ2BW_SFT 8
+
+/* NAU8822_REG_EQ3 (0x14) */
+#define NAU8822_EQ3GC_SFT 0
+#define NAU8822_EQ3CF_SFT 5
+#define NAU8822_EQ3BW_SFT 8
+
+/* NAU8822_REG_EQ4 (0x15) */
+#define NAU8822_EQ4GC_SFT 0
+#define NAU8822_EQ4CF_SFT 5
+#define NAU8822_EQ4BW_SFT 8
+
+/* NAU8822_REG_EQ5 (0x16) */
+#define NAU8822_EQ5GC_SFT 0
+#define NAU8822_EQ5CF_SFT 5
+
+/* NAU8822_REG_ALC_CONTROL_1 (0x20) */
+#define NAU8822_ALCMINGAIN_SFT 0
+#define NAU8822_ALCMXGAIN_SFT 3
+#define NAU8822_ALCEN_SFT 7
+
+/* NAU8822_REG_ALC_CONTROL_2 (0x21) */
+#define NAU8822_ALCSL_SFT 0
+#define NAU8822_ALCHT_SFT 4
+
+/* NAU8822_REG_ALC_CONTROL_3 (0x22) */
+#define NAU8822_ALCATK_SFT 0
+#define NAU8822_ALCDCY_SFT 4
+#define NAU8822_ALCM_SFT 8
+
+/* NAU8822_REG_PLL_N (0x24) */
+#define NAU8822_PLLMCLK_DIV2 (0x1 << 4)
+#define NAU8822_PLLN_MASK 0xF
+
+#define NAU8822_PLLK1_SFT 18
+#define NAU8822_PLLK1_MASK 0x3F
+
+/* NAU8822_REG_PLL_K2 (0x26) */
+#define NAU8822_PLLK2_SFT 9
+#define NAU8822_PLLK2_MASK 0x1FF
+
+/* NAU8822_REG_PLL_K3 (0x27) */
+#define NAU8822_PLLK3_MASK 0x1FF
+
+/* System Clock Source */
+enum {
+ NAU8822_CLK_MCLK,
+ NAU8822_CLK_PLL,
+};
+
+struct nau8822_pll {
+ int pre_factor;
+ int mclk_scaler;
+ int pll_frac;
+ int pll_int;
+};
+
+/* Codec Private Data */
+struct nau8822 {
+ struct device *dev;
+ struct regmap *regmap;
+ int mclk_idx;
+ struct nau8822_pll pll;
+ int sysclk;
+ int div_id;
+};
+
+#endif /* __NAU8822_H__ */