v4.19.13 snapshot.
diff --git a/sound/soc/codecs/rt298.h b/sound/soc/codecs/rt298.h
new file mode 100644
index 0000000..b4db935
--- /dev/null
+++ b/sound/soc/codecs/rt298.h
@@ -0,0 +1,216 @@
+/*
+ * rt298.h -- RT298 ALSA SoC audio driver
+ *
+ * Copyright 2011 Realtek Microelectronics
+ * Author: Johnny Hsu <johnnyhsu@realtek.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 __RT298_H__
+#define __RT298_H__
+
+#define VERB_CMD(V, N, D) ((N << 20) | (V << 8) | D)
+
+#define RT298_AUDIO_FUNCTION_GROUP 0x01
+#define RT298_DAC_OUT1 0x02
+#define RT298_DAC_OUT2 0x03
+#define RT298_DIG_CVT 0x06
+#define RT298_ADC_IN1 0x09
+#define RT298_ADC_IN2 0x08
+#define RT298_MIXER_IN 0x0b
+#define RT298_MIXER_OUT1 0x0c
+#define RT298_MIXER_OUT2 0x0d
+#define RT298_DMIC1 0x12
+#define RT298_DMIC2 0x13
+#define RT298_SPK_OUT 0x14
+#define RT298_MIC1 0x18
+#define RT298_LINE1 0x1a
+#define RT298_BEEP 0x1d
+#define RT298_SPDIF 0x1e
+#define RT298_VENDOR_REGISTERS 0x20
+#define RT298_HP_OUT 0x21
+#define RT298_MIXER_IN1 0x22
+#define RT298_MIXER_IN2 0x23
+#define RT298_INLINE_CMD 0x55
+
+#define RT298_SET_PIN_SFT 6
+#define RT298_SET_PIN_ENABLE 0x40
+#define RT298_SET_PIN_DISABLE 0
+#define RT298_SET_EAPD_HIGH 0x2
+#define RT298_SET_EAPD_LOW 0
+
+#define RT298_MUTE_SFT 7
+
+/* Verb commands */
+#define RT298_GET_PARAM(NID, PARAM) VERB_CMD(AC_VERB_PARAMETERS, NID, PARAM)
+#define RT298_SET_POWER(NID) VERB_CMD(AC_VERB_SET_POWER_STATE, NID, 0)
+#define RT298_SET_AUDIO_POWER RT298_SET_POWER(RT298_AUDIO_FUNCTION_GROUP)
+#define RT298_SET_HPO_POWER RT298_SET_POWER(RT298_HP_OUT)
+#define RT298_SET_SPK_POWER RT298_SET_POWER(RT298_SPK_OUT)
+#define RT298_SET_DMIC1_POWER RT298_SET_POWER(RT298_DMIC1)
+#define RT298_SPK_MUX\
+ VERB_CMD(AC_VERB_SET_CONNECT_SEL, RT298_SPK_OUT, 0)
+#define RT298_HPO_MUX\
+ VERB_CMD(AC_VERB_SET_CONNECT_SEL, RT298_HP_OUT, 0)
+#define RT298_ADC0_MUX\
+ VERB_CMD(AC_VERB_SET_CONNECT_SEL, RT298_MIXER_IN1, 0)
+#define RT298_ADC1_MUX\
+ VERB_CMD(AC_VERB_SET_CONNECT_SEL, RT298_MIXER_IN2, 0)
+#define RT298_SET_MIC1\
+ VERB_CMD(AC_VERB_SET_PIN_WIDGET_CONTROL, RT298_MIC1, 0)
+#define RT298_SET_PIN_HPO\
+ VERB_CMD(AC_VERB_SET_PIN_WIDGET_CONTROL, RT298_HP_OUT, 0)
+#define RT298_SET_PIN_SPK\
+ VERB_CMD(AC_VERB_SET_PIN_WIDGET_CONTROL, RT298_SPK_OUT, 0)
+#define RT298_SET_PIN_DMIC1\
+ VERB_CMD(AC_VERB_SET_PIN_WIDGET_CONTROL, RT298_DMIC1, 0)
+#define RT298_SET_PIN_SPDIF\
+ VERB_CMD(AC_VERB_SET_PIN_WIDGET_CONTROL, RT298_SPDIF, 0)
+#define RT298_SET_PIN_DIG_CVT\
+ VERB_CMD(AC_VERB_SET_DIGI_CONVERT_1, RT298_DIG_CVT, 0)
+#define RT298_SPK_EAPD\
+ VERB_CMD(AC_VERB_SET_EAPD_BTLENABLE, RT298_SPK_OUT, 0)
+#define RT298_SET_AMP_GAIN_HPO\
+ VERB_CMD(AC_VERB_SET_AMP_GAIN_MUTE, RT298_HP_OUT, 0)
+#define RT298_SET_AMP_GAIN_ADC_IN1\
+ VERB_CMD(AC_VERB_SET_AMP_GAIN_MUTE, RT298_ADC_IN1, 0)
+#define RT298_SET_AMP_GAIN_ADC_IN2\
+ VERB_CMD(AC_VERB_SET_AMP_GAIN_MUTE, RT298_ADC_IN2, 0)
+#define RT298_GET_HP_SENSE\
+ VERB_CMD(AC_VERB_GET_PIN_SENSE, RT298_HP_OUT, 0)
+#define RT298_GET_MIC1_SENSE\
+ VERB_CMD(AC_VERB_GET_PIN_SENSE, RT298_MIC1, 0)
+#define RT298_SET_DMIC2_DEFAULT\
+ VERB_CMD(AC_VERB_SET_CONFIG_DEFAULT_BYTES_3, RT298_DMIC2, 0)
+#define RT298_SET_SPDIF_DEFAULT\
+ VERB_CMD(AC_VERB_SET_CONFIG_DEFAULT_BYTES_3, RT298_SPDIF, 0)
+#define RT298_DACL_GAIN\
+ VERB_CMD(AC_VERB_SET_AMP_GAIN_MUTE, RT298_DAC_OUT1, 0xa000)
+#define RT298_DACR_GAIN\
+ VERB_CMD(AC_VERB_SET_AMP_GAIN_MUTE, RT298_DAC_OUT1, 0x9000)
+#define RT298_ADCL_GAIN\
+ VERB_CMD(AC_VERB_SET_AMP_GAIN_MUTE, RT298_ADC_IN1, 0x6000)
+#define RT298_ADCR_GAIN\
+ VERB_CMD(AC_VERB_SET_AMP_GAIN_MUTE, RT298_ADC_IN1, 0x5000)
+#define RT298_MIC_GAIN\
+ VERB_CMD(AC_VERB_SET_AMP_GAIN_MUTE, RT298_MIC1, 0x7000)
+#define RT298_SPOL_GAIN\
+ VERB_CMD(AC_VERB_SET_AMP_GAIN_MUTE, RT298_SPK_OUT, 0xa000)
+#define RT298_SPOR_GAIN\
+ VERB_CMD(AC_VERB_SET_AMP_GAIN_MUTE, RT298_SPK_OUT, 0x9000)
+#define RT298_HPOL_GAIN\
+ VERB_CMD(AC_VERB_SET_AMP_GAIN_MUTE, RT298_HP_OUT, 0xa000)
+#define RT298_HPOR_GAIN\
+ VERB_CMD(AC_VERB_SET_AMP_GAIN_MUTE, RT298_HP_OUT, 0x9000)
+#define RT298_F_DAC_SWITCH\
+ VERB_CMD(AC_VERB_SET_AMP_GAIN_MUTE, RT298_MIXER_OUT1, 0x7000)
+#define RT298_F_RECMIX_SWITCH\
+ VERB_CMD(AC_VERB_SET_AMP_GAIN_MUTE, RT298_MIXER_OUT1, 0x7100)
+#define RT298_REC_MIC_SWITCH\
+ VERB_CMD(AC_VERB_SET_AMP_GAIN_MUTE, RT298_MIXER_IN, 0x7000)
+#define RT298_REC_I2S_SWITCH\
+ VERB_CMD(AC_VERB_SET_AMP_GAIN_MUTE, RT298_MIXER_IN, 0x7100)
+#define RT298_REC_LINE_SWITCH\
+ VERB_CMD(AC_VERB_SET_AMP_GAIN_MUTE, RT298_MIXER_IN, 0x7200)
+#define RT298_REC_BEEP_SWITCH\
+ VERB_CMD(AC_VERB_SET_AMP_GAIN_MUTE, RT298_MIXER_IN, 0x7300)
+#define RT298_DAC_FORMAT\
+ VERB_CMD(AC_VERB_SET_STREAM_FORMAT, RT298_DAC_OUT1, 0)
+#define RT298_ADC_FORMAT\
+ VERB_CMD(AC_VERB_SET_STREAM_FORMAT, RT298_ADC_IN1, 0)
+#define RT298_COEF_INDEX\
+ VERB_CMD(AC_VERB_SET_COEF_INDEX, RT298_VENDOR_REGISTERS, 0)
+#define RT298_PROC_COEF\
+ VERB_CMD(AC_VERB_SET_PROC_COEF, RT298_VENDOR_REGISTERS, 0)
+#define RT298_UNSOLICITED_INLINE_CMD\
+ VERB_CMD(AC_VERB_SET_UNSOLICITED_ENABLE, RT298_INLINE_CMD, 0)
+#define RT298_UNSOLICITED_HP_OUT\
+ VERB_CMD(AC_VERB_SET_UNSOLICITED_ENABLE, RT298_HP_OUT, 0)
+#define RT298_UNSOLICITED_MIC1\
+ VERB_CMD(AC_VERB_SET_UNSOLICITED_ENABLE, RT298_MIC1, 0)
+
+/* Index registers */
+#define RT298_A_BIAS_CTRL1 0x01
+#define RT298_A_BIAS_CTRL2 0x02
+#define RT298_POWER_CTRL1 0x03
+#define RT298_A_BIAS_CTRL3 0x04
+#define RT298_D_FILTER_CTRL 0x05
+#define RT298_POWER_CTRL2 0x08
+#define RT298_I2S_CTRL1 0x09
+#define RT298_I2S_CTRL2 0x0a
+#define RT298_CLK_DIV 0x0b
+#define RT298_DC_GAIN 0x0d
+#define RT298_POWER_CTRL3 0x0f
+#define RT298_MIC1_DET_CTRL 0x19
+#define RT298_MISC_CTRL1 0x20
+#define RT298_IRQ_CTRL 0x33
+#define RT298_WIND_FILTER_CTRL 0x46
+#define RT298_PLL_CTRL1 0x49
+#define RT298_VAD_CTRL 0x4e
+#define RT298_CBJ_CTRL1 0x4f
+#define RT298_CBJ_CTRL2 0x50
+#define RT298_PLL_CTRL 0x63
+#define RT298_DEPOP_CTRL1 0x66
+#define RT298_DEPOP_CTRL2 0x67
+#define RT298_DEPOP_CTRL3 0x68
+#define RT298_DEPOP_CTRL4 0x69
+#define RT298_IRQ_FLAG_CTRL 0x7c
+
+/* SPDIF (0x06) */
+#define RT298_SPDIF_SEL_SFT 0
+#define RT298_SPDIF_SEL_PCM0 0
+#define RT298_SPDIF_SEL_PCM1 1
+#define RT298_SPDIF_SEL_SPOUT 2
+#define RT298_SPDIF_SEL_PP 3
+
+/* RECMIX (0x0b) */
+#define RT298_M_REC_BEEP_SFT 0
+#define RT298_M_REC_LINE1_SFT 1
+#define RT298_M_REC_MIC1_SFT 2
+#define RT298_M_REC_I2S_SFT 3
+
+/* Front (0x0c) */
+#define RT298_M_FRONT_DAC_SFT 0
+#define RT298_M_FRONT_REC_SFT 1
+
+/* SPK-OUT (0x14) */
+#define RT298_M_SPK_MUX_SFT 14
+#define RT298_SPK_SEL_MASK 0x1
+#define RT298_SPK_SEL_SFT 0
+#define RT298_SPK_SEL_F 0
+#define RT298_SPK_SEL_S 1
+
+/* HP-OUT (0x21) */
+#define RT298_M_HP_MUX_SFT 14
+#define RT298_HP_SEL_MASK 0x1
+#define RT298_HP_SEL_SFT 0
+#define RT298_HP_SEL_F 0
+#define RT298_HP_SEL_S 1
+
+/* ADC (0x22) (0x23) */
+#define RT298_ADC_SEL_MASK 0x7
+#define RT298_ADC_SEL_SFT 0
+#define RT298_ADC_SEL_SURR 0
+#define RT298_ADC_SEL_FRONT 1
+#define RT298_ADC_SEL_DMIC 2
+#define RT298_ADC_SEL_BEEP 4
+#define RT298_ADC_SEL_LINE1 5
+#define RT298_ADC_SEL_I2S 6
+#define RT298_ADC_SEL_MIC1 7
+
+#define RT298_SCLK_S_MCLK 0
+#define RT298_SCLK_S_PLL 1
+
+enum {
+ RT298_AIF1,
+ RT298_AIF2,
+ RT298_AIFS,
+};
+
+int rt298_mic_detect(struct snd_soc_component *component, struct snd_soc_jack *jack);
+
+#endif /* __RT298_H__ */
+