ASoC: Support TI Isabelle Audio driver

ASoC: Support TI Isabelle Audio driver

The Isabelle Audio IC is a complete low power high fidelity CODEC with integrated
ADCs, DACs, decimation and interpolation filters, PLL, and power providers. This
device supports 2 analog and 2 digital microphone channels, a mono earpiece driver,
stereo class G headphone drivers with ultra low power and best SNR in the industry,
stereo Class D speaker drivers, and 2 high performance Line drivers.

The below patch is a basic driver code for TI Isabelle audio codec. The
functionalities like headset detection, etc., will be included incrementally
in the up-coming patches.

Signed-off-by: Vishwas A Deshpande <[e-mail]>
Signed-off-by: M R Swami Reddy <[e-mail]>
Signed-off-by: Mark Brown <[e-mail]>

sound/soc/codecs/Kconfig

···
 	select SND_SOC_CX20442
 	select SND_SOC_DA7210 if I2C
 	select SND_SOC_DFBMCS320
+	select SND_SOC_ISABELLE if I2C
 	select SND_SOC_JZ4740_CODEC
 	select SND_SOC_LM4857 if I2C
 	select SND_SOC_LM49453 if I2C
···
 
 config SND_SOC_DMIC
 	tristate
+
+config SND_SOC_ISABELLE
+        tristate
 
 config SND_SOC_LM49453
 	tristate

sound/soc/codecs/Makefile

···
 snd-soc-da7210-objs := da7210.o
 snd-soc-dfbmcs320-objs := dfbmcs320.o
 snd-soc-dmic-objs := dmic.o
+snd-soc-isabelle-objs := isabelle.o
 snd-soc-jz4740-codec-objs := jz4740.o
 snd-soc-l3-objs := l3.o
 snd-soc-lm4857-objs := lm4857.o
···
 obj-$(CONFIG_SND_SOC_DA7210)	+= snd-soc-da7210.o
 obj-$(CONFIG_SND_SOC_DFBMCS320)	+= snd-soc-dfbmcs320.o
 obj-$(CONFIG_SND_SOC_DMIC)	+= snd-soc-dmic.o
+obj-$(CONFIG_SND_SOC_ISABELLE)	+= snd-soc-isabelle.o
 obj-$(CONFIG_SND_SOC_JZ4740_CODEC)	+= snd-soc-jz4740-codec.o
 obj-$(CONFIG_SND_SOC_L3)	+= snd-soc-l3.o
 obj-$(CONFIG_SND_SOC_LM4857)	+= snd-soc-lm4857.o

sound/soc/codecs/isabelle.c

···
+/*
+ * isabelle.c - Low power high fidelity audio codec driver
+ *
+ * Copyright (c) 2012 Texas Instruments, Inc
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; version 2 of the License.
+ *
+ *
+ * Initially based on sound/soc/codecs/twl6040.c
+ *
+ */
+#include <linux/module.h>
+#include <linux/moduleparam.h>
+#include <linux/version.h>
+#include <linux/kernel.h>
+#include <linux/init.h>
+#include <linux/delay.h>
+#include <linux/pm.h>
+#include <linux/regmap.h>
+#include <linux/i2c.h>
+#include <linux/slab.h>
+#include <sound/core.h>
+#include <sound/pcm.h>
+#include <sound/pcm_params.h>
+#include <sound/soc.h>
+#include <sound/soc-dapm.h>
+#include <sound/tlv.h>
+#include <sound/jack.h>
+#include <sound/initval.h>
+#include <asm/div64.h>
+#include "isabelle.h"
+
+
+/* Register default values for ISABELLE driver. */
+static struct reg_default isabelle_reg_defs[] = {
+	{ 0, 0x00 },
+	{ 1, 0x00 },
+	{ 2, 0x00 },
+	{ 3, 0x00 },
+	{ 4, 0x00 },
+	{ 5, 0x00 },
+	{ 6, 0x00 },
+	{ 7, 0x00 },
+	{ 8, 0x00 },
+	{ 9, 0x00 },
+	{ 10, 0x00 },
+	{ 11, 0x00 },
+	{ 12, 0x00 },
+	{ 13, 0x00 },
+	{ 14, 0x00 },
+	{ 15, 0x00 },
+	{ 16, 0x00 },
+	{ 17, 0x00 },
+	{ 18, 0x00 },
+	{ 19, 0x00 },
+	{ 20, 0x00 },
+	{ 21, 0x02 },
+	{ 22, 0x02 },
+	{ 23, 0x02 },
+	{ 24, 0x02 },
+	{ 25, 0x0F },
+	{ 26, 0x8F },
+	{ 27, 0x0F },
+	{ 28, 0x8F },
+	{ 29, 0x00 },
+	{ 30, 0x00 },
+	{ 31, 0x00 },
+	{ 32, 0x00 },
+	{ 33, 0x00 },
+	{ 34, 0x00 },
+	{ 35, 0x00 },
+	{ 36, 0x00 },
+	{ 37, 0x00 },
+	{ 38, 0x00 },
+	{ 39, 0x00 },
+	{ 40, 0x00 },
+	{ 41, 0x00 },
+	{ 42, 0x00 },
+	{ 43, 0x00 },
+	{ 44, 0x00 },
+	{ 45, 0x00 },
+	{ 46, 0x00 },
+	{ 47, 0x00 },
+	{ 48, 0x00 },
+	{ 49, 0x00 },
+	{ 50, 0x00 },
+	{ 51, 0x00 },
+	{ 52, 0x00 },
+	{ 53, 0x00 },
+	{ 54, 0x00 },
+	{ 55, 0x00 },
+	{ 56, 0x00 },
+	{ 57, 0x00 },
+	{ 58, 0x00 },
+	{ 59, 0x00 },
+	{ 60, 0x00 },
+	{ 61, 0x00 },
+	{ 62, 0x00 },
+	{ 63, 0x00 },
+	{ 64, 0x00 },
+	{ 65, 0x00 },
+	{ 66, 0x00 },
+	{ 67, 0x00 },
+	{ 68, 0x00 },
+	{ 69, 0x90 },
+	{ 70, 0x90 },
+	{ 71, 0x90 },
+	{ 72, 0x00 },
+	{ 73, 0x00 },
+	{ 74, 0x00 },
+	{ 75, 0x00 },
+	{ 76, 0x00 },
+	{ 77, 0x00 },
+	{ 78, 0x00 },
+	{ 79, 0x00 },
+	{ 80, 0x00 },
+	{ 81, 0x00 },
+	{ 82, 0x00 },
+	{ 83, 0x00 },
+	{ 84, 0x00 },
+	{ 85, 0x07 },
+	{ 86, 0x00 },
+	{ 87, 0x00 },
+	{ 88, 0x00 },
+	{ 89, 0x07 },
+	{ 90, 0x80 },
+	{ 91, 0x07 },
+	{ 92, 0x07 },
+	{ 93, 0x00 },
+	{ 94, 0x00 },
+	{ 95, 0x00 },
+	{ 96, 0x00 },
+	{ 97, 0x00 },
+	{ 98, 0x00 },
+	{ 99, 0x00 },
+};
+
+static const char *isabelle_rx1_texts[] = {"VRX1", "ARX1"};
+static const char *isabelle_rx2_texts[] = {"VRX2", "ARX2"};
+
+static const struct soc_enum isabelle_rx1_enum[] = {
+	SOC_ENUM_SINGLE(ISABELLE_VOICE_HPF_CFG_REG, 3, 1, isabelle_rx1_texts),
+	SOC_ENUM_SINGLE(ISABELLE_AUDIO_HPF_CFG_REG, 5, 1, isabelle_rx1_texts),
+};
+
+static const struct soc_enum isabelle_rx2_enum[] = {
+	SOC_ENUM_SINGLE(ISABELLE_VOICE_HPF_CFG_REG, 2, 1, isabelle_rx2_texts),
+	SOC_ENUM_SINGLE(ISABELLE_AUDIO_HPF_CFG_REG, 4, 1, isabelle_rx2_texts),
+};
+
+/* Headset DAC playback switches */
+static const struct snd_kcontrol_new rx1_mux_controls =
+	SOC_DAPM_ENUM("Route", isabelle_rx1_enum);
+
+static const struct snd_kcontrol_new rx2_mux_controls =
+	SOC_DAPM_ENUM("Route", isabelle_rx2_enum);
+
+/* TX input selection */
+static const char *isabelle_atx_texts[] = {"AMIC1", "DMIC"};
+static const char *isabelle_vtx_texts[] = {"AMIC2", "DMIC"};
+
+static const struct soc_enum isabelle_atx_enum[] = {
+	SOC_ENUM_SINGLE(ISABELLE_AMIC_CFG_REG, 7, 1, isabelle_atx_texts),
+	SOC_ENUM_SINGLE(ISABELLE_DMIC_CFG_REG, 0, 1, isabelle_atx_texts),
+};
+
+static const struct soc_enum isabelle_vtx_enum[] = {
+	SOC_ENUM_SINGLE(ISABELLE_AMIC_CFG_REG, 6, 1, isabelle_vtx_texts),
+	SOC_ENUM_SINGLE(ISABELLE_DMIC_CFG_REG, 0, 1, isabelle_vtx_texts),
+};
+
+static const struct snd_kcontrol_new atx_mux_controls =
+	SOC_DAPM_ENUM("Route", isabelle_atx_enum);
+
+static const struct snd_kcontrol_new vtx_mux_controls =
+	SOC_DAPM_ENUM("Route", isabelle_vtx_enum);
+
+/* Left analog microphone selection */
+static const char *isabelle_amic1_texts[] = {
+	"Main Mic", "Headset Mic", "Aux/FM Left"};
+
+/* Left analog microphone selection */
+static const char *isabelle_amic2_texts[] = {"Sub Mic", "Aux/FM Right"};
+
+static const struct soc_enum isabelle_amic1_enum[] = {
+	SOC_ENUM_SINGLE(ISABELLE_AMIC_CFG_REG, 5,
+			ARRAY_SIZE(isabelle_amic1_texts),
+			isabelle_amic1_texts),
+};
+
+static const struct soc_enum isabelle_amic2_enum[] = {
+	SOC_ENUM_SINGLE(ISABELLE_AMIC_CFG_REG, 4,
+			ARRAY_SIZE(isabelle_amic2_texts),
+			isabelle_amic2_texts),
+};
+
+static const struct snd_kcontrol_new amic1_control =
+	SOC_DAPM_ENUM("Route", isabelle_amic1_enum);
+
+static const struct snd_kcontrol_new amic2_control =
+	SOC_DAPM_ENUM("Route", isabelle_amic2_enum);
+
+static const char *isabelle_st_audio_texts[] = {"ATX1", "ATX2"};
+
+static const char *isabelle_st_voice_texts[] = {"VTX1", "VTX2"};
+
+static const struct soc_enum isabelle_st_audio_enum[] = {
+	SOC_ENUM_SINGLE(ISABELLE_ATX_STPGA1_CFG_REG, 7, 1,
+			isabelle_st_audio_texts),
+	SOC_ENUM_SINGLE(ISABELLE_ATX_STPGA2_CFG_REG, 7, 1,
+			isabelle_st_audio_texts),
+};
+
+static const struct soc_enum isabelle_st_voice_enum[] = {
+	SOC_ENUM_SINGLE(ISABELLE_VTX_STPGA1_CFG_REG, 7, 1,
+			isabelle_st_voice_texts),
+	SOC_ENUM_SINGLE(ISABELLE_VTX2_STPGA2_CFG_REG, 7, 1,
+			isabelle_st_voice_texts),
+};
+
+static const struct snd_kcontrol_new st_audio_control =
+	SOC_DAPM_ENUM("Route", isabelle_st_audio_enum);
+
+static const struct snd_kcontrol_new st_voice_control =
+	SOC_DAPM_ENUM("Route", isabelle_st_voice_enum);
+
+/* Mixer controls */
+static const struct snd_kcontrol_new isabelle_hs_left_mixer_controls[] = {
+SOC_DAPM_SINGLE("DAC1L Playback Switch", ISABELLE_HSDRV_CFG1_REG, 7, 1, 0),
+SOC_DAPM_SINGLE("APGA1 Playback Switch", ISABELLE_HSDRV_CFG1_REG, 6, 1, 0),
+};
+
+static const struct snd_kcontrol_new isabelle_hs_right_mixer_controls[] = {
+SOC_DAPM_SINGLE("DAC1R Playback Switch", ISABELLE_HSDRV_CFG1_REG, 5, 1, 0),
+SOC_DAPM_SINGLE("APGA2 Playback Switch", ISABELLE_HSDRV_CFG1_REG, 4, 1, 0),
+};
+
+static const struct snd_kcontrol_new isabelle_hf_left_mixer_controls[] = {
+SOC_DAPM_SINGLE("DAC2L Playback Switch", ISABELLE_HFLPGA_CFG_REG, 7, 1, 0),
+SOC_DAPM_SINGLE("APGA1 Playback Switch", ISABELLE_HFLPGA_CFG_REG, 6, 1, 0),
+};
+
+static const struct snd_kcontrol_new isabelle_hf_right_mixer_controls[] = {
+SOC_DAPM_SINGLE("DAC2R Playback Switch", ISABELLE_HFRPGA_CFG_REG, 7, 1, 0),
+SOC_DAPM_SINGLE("APGA2 Playback Switch", ISABELLE_HFRPGA_CFG_REG, 6, 1, 0),
+};
+
+static const struct snd_kcontrol_new isabelle_ep_mixer_controls[] = {
+SOC_DAPM_SINGLE("DAC2L Playback Switch", ISABELLE_EARDRV_CFG1_REG, 7, 1, 0),
+SOC_DAPM_SINGLE("APGA1 Playback Switch", ISABELLE_EARDRV_CFG1_REG, 6, 1, 0),
+};
+
+static const struct snd_kcontrol_new isabelle_aux_left_mixer_controls[] = {
+SOC_DAPM_SINGLE("DAC3L Playback Switch", ISABELLE_LINEAMP_CFG_REG, 7, 1, 0),
+SOC_DAPM_SINGLE("APGA1 Playback Switch", ISABELLE_LINEAMP_CFG_REG, 6, 1, 0),
+};
+
+static const struct snd_kcontrol_new isabelle_aux_right_mixer_controls[] = {
+SOC_DAPM_SINGLE("DAC3R Playback Switch", ISABELLE_LINEAMP_CFG_REG, 5, 1, 0),
+SOC_DAPM_SINGLE("APGA2 Playback Switch", ISABELLE_LINEAMP_CFG_REG, 4, 1, 0),
+};
+
+static const struct snd_kcontrol_new isabelle_dpga1_left_mixer_controls[] = {
+SOC_DAPM_SINGLE("RX1 Playback Switch", ISABELLE_DPGA1LR_IN_SEL_REG, 7, 1, 0),
+SOC_DAPM_SINGLE("RX3 Playback Switch", ISABELLE_DPGA1LR_IN_SEL_REG, 6, 1, 0),
+SOC_DAPM_SINGLE("RX5 Playback Switch", ISABELLE_DPGA1LR_IN_SEL_REG, 5, 1, 0),
+};
+
+static const struct snd_kcontrol_new isabelle_dpga1_right_mixer_controls[] = {
+SOC_DAPM_SINGLE("RX2 Playback Switch", ISABELLE_DPGA1LR_IN_SEL_REG, 3, 1, 0),
+SOC_DAPM_SINGLE("RX4 Playback Switch", ISABELLE_DPGA1LR_IN_SEL_REG, 2, 1, 0),
+SOC_DAPM_SINGLE("RX6 Playback Switch", ISABELLE_DPGA1LR_IN_SEL_REG, 1, 1, 0),
+};
+
+static const struct snd_kcontrol_new isabelle_dpga2_left_mixer_controls[] = {
+SOC_DAPM_SINGLE("RX1 Playback Switch", ISABELLE_DPGA2L_IN_SEL_REG, 7, 1, 0),
+SOC_DAPM_SINGLE("RX2 Playback Switch", ISABELLE_DPGA2L_IN_SEL_REG, 6, 1, 0),
+SOC_DAPM_SINGLE("RX3 Playback Switch", ISABELLE_DPGA2L_IN_SEL_REG, 5, 1, 0),
+SOC_DAPM_SINGLE("RX4 Playback Switch", ISABELLE_DPGA2L_IN_SEL_REG, 4, 1, 0),
+SOC_DAPM_SINGLE("RX5 Playback Switch", ISABELLE_DPGA2L_IN_SEL_REG, 3, 1, 0),
+SOC_DAPM_SINGLE("RX6 Playback Switch", ISABELLE_DPGA2L_IN_SEL_REG, 2, 1, 0),
+};
+
+static const struct snd_kcontrol_new isabelle_dpga2_right_mixer_controls[] = {
+SOC_DAPM_SINGLE("USNC Playback Switch", ISABELLE_DPGA2R_IN_SEL_REG, 7, 1, 0),
+SOC_DAPM_SINGLE("RX2 Playback Switch", ISABELLE_DPGA2R_IN_SEL_REG, 3, 1, 0),
+SOC_DAPM_SINGLE("RX4 Playback Switch", ISABELLE_DPGA2R_IN_SEL_REG, 2, 1, 0),
+SOC_DAPM_SINGLE("RX6 Playback Switch", ISABELLE_DPGA2R_IN_SEL_REG, 1, 1, 0),
+};
+
+static const struct snd_kcontrol_new isabelle_dpga3_left_mixer_controls[] = {
+SOC_DAPM_SINGLE("RX1 Playback Switch", ISABELLE_DPGA3LR_IN_SEL_REG, 7, 1, 0),
+SOC_DAPM_SINGLE("RX3 Playback Switch", ISABELLE_DPGA3LR_IN_SEL_REG, 6, 1, 0),
+SOC_DAPM_SINGLE("RX5 Playback Switch", ISABELLE_DPGA3LR_IN_SEL_REG, 5, 1, 0),
+};
+
+static const struct snd_kcontrol_new isabelle_dpga3_right_mixer_controls[] = {
+SOC_DAPM_SINGLE("RX2 Playback Switch", ISABELLE_DPGA3LR_IN_SEL_REG, 3, 1, 0),
+SOC_DAPM_SINGLE("RX4 Playback Switch", ISABELLE_DPGA3LR_IN_SEL_REG, 2, 1, 0),
+SOC_DAPM_SINGLE("RX6 Playback Switch", ISABELLE_DPGA3LR_IN_SEL_REG, 1, 1, 0),
+};
+
+static const struct snd_kcontrol_new isabelle_rx1_mixer_controls[] = {
+SOC_DAPM_SINGLE("ST1 Playback Switch", ISABELLE_RX_INPUT_CFG_REG, 7, 1, 0),
+SOC_DAPM_SINGLE("DL1 Playback Switch", ISABELLE_RX_INPUT_CFG_REG, 6, 1, 0),
+};
+
+static const struct snd_kcontrol_new isabelle_rx2_mixer_controls[] = {
+SOC_DAPM_SINGLE("ST2 Playback Switch", ISABELLE_RX_INPUT_CFG_REG, 5, 1, 0),
+SOC_DAPM_SINGLE("DL2 Playback Switch", ISABELLE_RX_INPUT_CFG_REG, 4, 1, 0),
+};
+
+static const struct snd_kcontrol_new isabelle_rx3_mixer_controls[] = {
+SOC_DAPM_SINGLE("ST1 Playback Switch", ISABELLE_RX_INPUT_CFG_REG, 3, 1, 0),
+SOC_DAPM_SINGLE("DL3 Playback Switch", ISABELLE_RX_INPUT_CFG_REG, 2, 1, 0),
+};
+
+static const struct snd_kcontrol_new isabelle_rx4_mixer_controls[] = {
+SOC_DAPM_SINGLE("ST2 Playback Switch", ISABELLE_RX_INPUT_CFG_REG, 1, 1, 0),
+SOC_DAPM_SINGLE("DL4 Playback Switch", ISABELLE_RX_INPUT_CFG_REG, 0, 1, 0),
+};
+
+static const struct snd_kcontrol_new isabelle_rx5_mixer_controls[] = {
+SOC_DAPM_SINGLE("ST1 Playback Switch", ISABELLE_RX_INPUT_CFG2_REG, 7, 1, 0),
+SOC_DAPM_SINGLE("DL5 Playback Switch", ISABELLE_RX_INPUT_CFG2_REG, 6, 1, 0),
+};
+
+static const struct snd_kcontrol_new isabelle_rx6_mixer_controls[] = {
+SOC_DAPM_SINGLE("ST2 Playback Switch", ISABELLE_RX_INPUT_CFG2_REG, 5, 1, 0),
+SOC_DAPM_SINGLE("DL6 Playback Switch", ISABELLE_RX_INPUT_CFG2_REG, 4, 1, 0),
+};
+
+static const struct snd_kcontrol_new ep_path_enable_control =
+	SOC_DAPM_SINGLE("Switch", ISABELLE_EARDRV_CFG2_REG, 0, 1, 0);
+
+/* TLV Declarations */
+static const DECLARE_TLV_DB_SCALE(mic_amp_tlv, 0, 100, 0);
+static const DECLARE_TLV_DB_SCALE(afm_amp_tlv, -3300, 300, 0);
+static const DECLARE_TLV_DB_SCALE(dac_tlv, -1200, 200, 0);
+static const DECLARE_TLV_DB_SCALE(hf_tlv, -5000, 200, 0);
+
+/* from -63 to 0 dB in 1 dB steps */
+static const DECLARE_TLV_DB_SCALE(dpga_tlv, -6300, 100, 1);
+
+/* from -63 to 9 dB in 1 dB steps */
+static const DECLARE_TLV_DB_SCALE(rx_tlv, -6300, 100, 1);
+
+static const DECLARE_TLV_DB_SCALE(st_tlv, -2700, 300, 1);
+static const DECLARE_TLV_DB_SCALE(tx_tlv, -600, 100, 0);
+
+static const struct snd_kcontrol_new isabelle_snd_controls[] = {
+	SOC_DOUBLE_TLV("Headset Playback Volume", ISABELLE_HSDRV_GAIN_REG,
+			4, 0, 0xF, 0, dac_tlv),
+	SOC_DOUBLE_R_TLV("Handsfree Playback Volume",
+			ISABELLE_HFLPGA_CFG_REG, ISABELLE_HFRPGA_CFG_REG,
+			0, 0x1F, 0, hf_tlv),
+	SOC_DOUBLE_TLV("Aux Playback Volume", ISABELLE_LINEAMP_GAIN_REG,
+			4, 0, 0xF, 0, dac_tlv),
+	SOC_SINGLE_TLV("Earpiece Playback Volume", ISABELLE_EARDRV_CFG1_REG,
+			0, 0xF, 0, dac_tlv),
+
+	SOC_DOUBLE_TLV("Aux FM Volume", ISABELLE_APGA_GAIN_REG, 4, 0, 0xF, 0,
+			afm_amp_tlv),
+	SOC_SINGLE_TLV("Mic1 Capture Volume", ISABELLE_MIC1_GAIN_REG, 3, 0x1F,
+			0, mic_amp_tlv),
+	SOC_SINGLE_TLV("Mic2 Capture Volume", ISABELLE_MIC2_GAIN_REG, 3, 0x1F,
+			0, mic_amp_tlv),
+
+	SOC_DOUBLE_R_TLV("DPGA1 Volume", ISABELLE_DPGA1L_GAIN_REG,
+			ISABELLE_DPGA1R_GAIN_REG, 0, 0x3F, 0, dpga_tlv),
+	SOC_DOUBLE_R_TLV("DPGA2 Volume", ISABELLE_DPGA2L_GAIN_REG,
+			ISABELLE_DPGA2R_GAIN_REG, 0, 0x3F, 0, dpga_tlv),
+	SOC_DOUBLE_R_TLV("DPGA3 Volume", ISABELLE_DPGA3L_GAIN_REG,
+			ISABELLE_DPGA3R_GAIN_REG, 0, 0x3F, 0, dpga_tlv),
+
+	SOC_SINGLE_TLV("Sidetone Audio TX1 Volume",
+			ISABELLE_ATX_STPGA1_CFG_REG, 0, 0xF, 0, st_tlv),
+	SOC_SINGLE_TLV("Sidetone Audio TX2 Volume",
+			ISABELLE_ATX_STPGA2_CFG_REG, 0, 0xF, 0, st_tlv),
+	SOC_SINGLE_TLV("Sidetone Voice TX1 Volume",
+			ISABELLE_VTX_STPGA1_CFG_REG, 0, 0xF, 0, st_tlv),
+	SOC_SINGLE_TLV("Sidetone Voice TX2 Volume",
+			ISABELLE_VTX2_STPGA2_CFG_REG, 0, 0xF, 0, st_tlv),
+
+	SOC_SINGLE_TLV("Audio TX1 Volume", ISABELLE_ATX1_DPGA_REG, 4, 0xF, 0,
+			tx_tlv),
+	SOC_SINGLE_TLV("Audio TX2 Volume", ISABELLE_ATX2_DPGA_REG, 4, 0xF, 0,
+			tx_tlv),
+	SOC_SINGLE_TLV("Voice TX1 Volume", ISABELLE_VTX1_DPGA_REG, 4, 0xF, 0,
+			tx_tlv),
+	SOC_SINGLE_TLV("Voice TX2 Volume", ISABELLE_VTX2_DPGA_REG, 4, 0xF, 0,
+			tx_tlv),
+
+	SOC_SINGLE_TLV("RX1 DPGA Volume", ISABELLE_RX1_DPGA_REG, 0, 0x3F, 0,
+			rx_tlv),
+	SOC_SINGLE_TLV("RX2 DPGA Volume", ISABELLE_RX2_DPGA_REG, 0, 0x3F, 0,
+			rx_tlv),
+	SOC_SINGLE_TLV("RX3 DPGA Volume", ISABELLE_RX3_DPGA_REG, 0, 0x3F, 0,
+			rx_tlv),
+	SOC_SINGLE_TLV("RX4 DPGA Volume", ISABELLE_RX4_DPGA_REG, 0, 0x3F, 0,
+			rx_tlv),
+	SOC_SINGLE_TLV("RX5 DPGA Volume", ISABELLE_RX5_DPGA_REG, 0, 0x3F, 0,
+			rx_tlv),
+	SOC_SINGLE_TLV("RX6 DPGA Volume", ISABELLE_RX6_DPGA_REG, 0, 0x3F, 0,
+			rx_tlv),
+
+	SOC_SINGLE("Headset Noise Gate", ISABELLE_HS_NG_CFG1_REG, 7, 1, 0),
+	SOC_SINGLE("Handsfree Noise Gate", ISABELLE_HF_NG_CFG1_REG, 7, 1, 0),
+
+	SOC_SINGLE("ATX1 Filter Bypass Switch", ISABELLE_AUDIO_HPF_CFG_REG,
+		7, 1, 0),
+	SOC_SINGLE("ATX2 Filter Bypass Switch", ISABELLE_AUDIO_HPF_CFG_REG,
+		6, 1, 0),
+	SOC_SINGLE("ARX1 Filter Bypass Switch", ISABELLE_AUDIO_HPF_CFG_REG,
+		5, 1, 0),
+	SOC_SINGLE("ARX2 Filter Bypass Switch", ISABELLE_AUDIO_HPF_CFG_REG,
+		4, 1, 0),
+	SOC_SINGLE("ARX3 Filter Bypass Switch", ISABELLE_AUDIO_HPF_CFG_REG,
+		3, 1, 0),
+	SOC_SINGLE("ARX4 Filter Bypass Switch", ISABELLE_AUDIO_HPF_CFG_REG,
+		2, 1, 0),
+	SOC_SINGLE("ARX5 Filter Bypass Switch", ISABELLE_AUDIO_HPF_CFG_REG,
+		1, 1, 0),
+	SOC_SINGLE("ARX6 Filter Bypass Switch", ISABELLE_AUDIO_HPF_CFG_REG,
+		0, 1, 0),
+	SOC_SINGLE("VRX1 Filter Bypass Switch", ISABELLE_AUDIO_HPF_CFG_REG,
+		3, 1, 0),
+	SOC_SINGLE("VRX2 Filter Bypass Switch", ISABELLE_AUDIO_HPF_CFG_REG,
+		2, 1, 0),
+
+	SOC_SINGLE("ATX1 Filter Enable Switch", ISABELLE_ALU_TX_EN_REG,
+		7, 1, 0),
+	SOC_SINGLE("ATX2 Filter Enable Switch", ISABELLE_ALU_TX_EN_REG,
+		6, 1, 0),
+	SOC_SINGLE("VTX1 Filter Enable Switch", ISABELLE_ALU_TX_EN_REG,
+		5, 1, 0),
+	SOC_SINGLE("VTX2 Filter Enable Switch", ISABELLE_ALU_TX_EN_REG,
+		4, 1, 0),
+	SOC_SINGLE("RX1 Filter Enable Switch", ISABELLE_ALU_RX_EN_REG,
+		5, 1, 0),
+	SOC_SINGLE("RX2 Filter Enable Switch", ISABELLE_ALU_RX_EN_REG,
+		4, 1, 0),
+	SOC_SINGLE("RX3 Filter Enable Switch", ISABELLE_ALU_RX_EN_REG,
+		3, 1, 0),
+	SOC_SINGLE("RX4 Filter Enable Switch", ISABELLE_ALU_RX_EN_REG,
+		2, 1, 0),
+	SOC_SINGLE("RX5 Filter Enable Switch", ISABELLE_ALU_RX_EN_REG,
+		1, 1, 0),
+	SOC_SINGLE("RX6 Filter Enable Switch", ISABELLE_ALU_RX_EN_REG,
+		0, 1, 0),
+
+	SOC_SINGLE("ULATX12 Capture Switch", ISABELLE_ULATX12_INTF_CFG_REG,
+		7, 1, 0),
+
+	SOC_SINGLE("DL12 Playback Switch", ISABELLE_DL12_INTF_CFG_REG,
+		7, 1, 0),
+	SOC_SINGLE("DL34 Playback Switch", ISABELLE_DL34_INTF_CFG_REG,
+		7, 1, 0),
+	SOC_SINGLE("DL56 Playback Switch", ISABELLE_DL56_INTF_CFG_REG,
+		7, 1, 0),
+
+	/* DMIC Switch */
+	SOC_SINGLE("DMIC Switch", ISABELLE_DMIC_CFG_REG, 0, 1, 0),
+};
+
+static const struct snd_soc_dapm_widget isabelle_dapm_widgets[] = {
+	/* Inputs */
+	SND_SOC_DAPM_INPUT("MAINMIC"),
+	SND_SOC_DAPM_INPUT("HSMIC"),
+	SND_SOC_DAPM_INPUT("SUBMIC"),
+	SND_SOC_DAPM_INPUT("LINEIN1"),
+	SND_SOC_DAPM_INPUT("LINEIN2"),
+	SND_SOC_DAPM_INPUT("DMICDAT"),
+
+	/* Outputs */
+	SND_SOC_DAPM_OUTPUT("HSOL"),
+	SND_SOC_DAPM_OUTPUT("HSOR"),
+	SND_SOC_DAPM_OUTPUT("HFL"),
+	SND_SOC_DAPM_OUTPUT("HFR"),
+	SND_SOC_DAPM_OUTPUT("EP"),
+	SND_SOC_DAPM_OUTPUT("LINEOUT1"),
+	SND_SOC_DAPM_OUTPUT("LINEOUT2"),
+
+	SND_SOC_DAPM_PGA("DL1", SND_SOC_NOPM, 0, 0, NULL, 0),
+	SND_SOC_DAPM_PGA("DL2", SND_SOC_NOPM, 0, 0, NULL, 0),
+	SND_SOC_DAPM_PGA("DL3", SND_SOC_NOPM, 0, 0, NULL, 0),
+	SND_SOC_DAPM_PGA("DL4", SND_SOC_NOPM, 0, 0, NULL, 0),
+	SND_SOC_DAPM_PGA("DL5", SND_SOC_NOPM, 0, 0, NULL, 0),
+	SND_SOC_DAPM_PGA("DL6", SND_SOC_NOPM, 0, 0, NULL, 0),
+
+	/* Analog input muxes for the capture amplifiers */
+	SND_SOC_DAPM_MUX("Analog Left Capture Route",
+			SND_SOC_NOPM, 0, 0, &amic1_control),
+	SND_SOC_DAPM_MUX("Analog Right Capture Route",
+			SND_SOC_NOPM, 0, 0, &amic2_control),
+
+	SND_SOC_DAPM_MUX("Sidetone Audio Playback", SND_SOC_NOPM, 0, 0,
+			&st_audio_control),
+	SND_SOC_DAPM_MUX("Sidetone Voice Playback", SND_SOC_NOPM, 0, 0,
+			&st_voice_control),
+
+	/* AIF */
+	SND_SOC_DAPM_AIF_IN("INTF1_SDI", NULL, 0, ISABELLE_INTF_EN_REG, 7, 0),
+	SND_SOC_DAPM_AIF_IN("INTF2_SDI", NULL, 0, ISABELLE_INTF_EN_REG, 6, 0),
+
+	SND_SOC_DAPM_AIF_OUT("INTF1_SDO", NULL, 0, ISABELLE_INTF_EN_REG, 5, 0),
+	SND_SOC_DAPM_AIF_OUT("INTF2_SDO", NULL, 0, ISABELLE_INTF_EN_REG, 4, 0),
+
+	SND_SOC_DAPM_OUT_DRV("ULATX1", SND_SOC_NOPM, 0, 0, NULL, 0),
+	SND_SOC_DAPM_OUT_DRV("ULATX2", SND_SOC_NOPM, 0, 0, NULL, 0),
+	SND_SOC_DAPM_OUT_DRV("ULVTX1", SND_SOC_NOPM, 0, 0, NULL, 0),
+	SND_SOC_DAPM_OUT_DRV("ULVTX2", SND_SOC_NOPM, 0, 0, NULL, 0),
+
+	/* Analog Capture PGAs */
+	SND_SOC_DAPM_PGA("MicAmp1", ISABELLE_AMIC_CFG_REG, 5, 0, NULL, 0),
+	SND_SOC_DAPM_PGA("MicAmp2", ISABELLE_AMIC_CFG_REG, 4, 0, NULL, 0),
+
+	/* Auxiliary FM PGAs */
+	SND_SOC_DAPM_PGA("APGA1", ISABELLE_APGA_CFG_REG, 7, 0, NULL, 0),
+	SND_SOC_DAPM_PGA("APGA2", ISABELLE_APGA_CFG_REG, 6, 0, NULL, 0),
+
+	/* ADCs */
+	SND_SOC_DAPM_ADC("ADC1", "Left Front Capture",
+			ISABELLE_AMIC_CFG_REG, 7, 0),
+	SND_SOC_DAPM_ADC("ADC2", "Right Front Capture",
+			ISABELLE_AMIC_CFG_REG, 6, 0),
+
+	/* Microphone Bias */
+	SND_SOC_DAPM_SUPPLY("Headset Mic Bias", ISABELLE_ABIAS_CFG_REG,
+			3, 0, NULL, 0),
+	SND_SOC_DAPM_SUPPLY("Main Mic Bias", ISABELLE_ABIAS_CFG_REG,
+			2, 0, NULL, 0),
+	SND_SOC_DAPM_SUPPLY("Digital Mic1 Bias",
+			ISABELLE_DBIAS_CFG_REG, 3, 0, NULL, 0),
+	SND_SOC_DAPM_SUPPLY("Digital Mic2 Bias",
+			ISABELLE_DBIAS_CFG_REG, 2, 0, NULL, 0),
+
+	/* Mixers */
+	SND_SOC_DAPM_MIXER("Headset Left Mixer", SND_SOC_NOPM, 0, 0,
+			isabelle_hs_left_mixer_controls,
+			ARRAY_SIZE(isabelle_hs_left_mixer_controls)),
+	SND_SOC_DAPM_MIXER("Headset Right Mixer", SND_SOC_NOPM, 0, 0,
+			isabelle_hs_right_mixer_controls,
+			ARRAY_SIZE(isabelle_hs_right_mixer_controls)),
+	SND_SOC_DAPM_MIXER("Handsfree Left Mixer", SND_SOC_NOPM, 0, 0,
+			isabelle_hf_left_mixer_controls,
+			ARRAY_SIZE(isabelle_hf_left_mixer_controls)),
+	SND_SOC_DAPM_MIXER("Handsfree Right Mixer", SND_SOC_NOPM, 0, 0,
+			isabelle_hf_right_mixer_controls,
+			ARRAY_SIZE(isabelle_hf_right_mixer_controls)),
+	SND_SOC_DAPM_MIXER("LINEOUT1 Mixer", SND_SOC_NOPM, 0, 0,
+			isabelle_aux_left_mixer_controls,
+			ARRAY_SIZE(isabelle_aux_left_mixer_controls)),
+	SND_SOC_DAPM_MIXER("LINEOUT2 Mixer", SND_SOC_NOPM, 0, 0,
+			isabelle_aux_right_mixer_controls,
+			ARRAY_SIZE(isabelle_aux_right_mixer_controls)),
+	SND_SOC_DAPM_MIXER("Earphone Mixer", SND_SOC_NOPM, 0, 0,
+			isabelle_ep_mixer_controls,
+			ARRAY_SIZE(isabelle_ep_mixer_controls)),
+
+	SND_SOC_DAPM_MIXER("DPGA1L Mixer", SND_SOC_NOPM, 0, 0,
+			isabelle_dpga1_left_mixer_controls,
+			ARRAY_SIZE(isabelle_dpga1_left_mixer_controls)),
+	SND_SOC_DAPM_MIXER("DPGA1R Mixer", SND_SOC_NOPM, 0, 0,
+			isabelle_dpga1_right_mixer_controls,
+			ARRAY_SIZE(isabelle_dpga1_right_mixer_controls)),
+	SND_SOC_DAPM_MIXER("DPGA2L Mixer", SND_SOC_NOPM, 0, 0,
+			isabelle_dpga2_left_mixer_controls,
+			ARRAY_SIZE(isabelle_dpga2_left_mixer_controls)),
+	SND_SOC_DAPM_MIXER("DPGA2R Mixer", SND_SOC_NOPM, 0, 0,
+			isabelle_dpga2_right_mixer_controls,
+			ARRAY_SIZE(isabelle_dpga2_right_mixer_controls)),
+	SND_SOC_DAPM_MIXER("DPGA3L Mixer", SND_SOC_NOPM, 0, 0,
+			isabelle_dpga3_left_mixer_controls,
+			ARRAY_SIZE(isabelle_dpga3_left_mixer_controls)),
+	SND_SOC_DAPM_MIXER("DPGA3R Mixer", SND_SOC_NOPM, 0, 0,
+			isabelle_dpga3_right_mixer_controls,
+			ARRAY_SIZE(isabelle_dpga3_right_mixer_controls)),
+
+	SND_SOC_DAPM_MIXER("RX1 Mixer", SND_SOC_NOPM, 0, 0,
+			isabelle_rx1_mixer_controls,
+			ARRAY_SIZE(isabelle_rx1_mixer_controls)),
+	SND_SOC_DAPM_MIXER("RX2 Mixer", SND_SOC_NOPM, 0, 0,
+			isabelle_rx2_mixer_controls,
+			ARRAY_SIZE(isabelle_rx2_mixer_controls)),
+	SND_SOC_DAPM_MIXER("RX3 Mixer", SND_SOC_NOPM, 0, 0,
+			isabelle_rx3_mixer_controls,
+			ARRAY_SIZE(isabelle_rx3_mixer_controls)),
+	SND_SOC_DAPM_MIXER("RX4 Mixer", SND_SOC_NOPM, 0, 0,
+			isabelle_rx4_mixer_controls,
+			ARRAY_SIZE(isabelle_rx4_mixer_controls)),
+	SND_SOC_DAPM_MIXER("RX5 Mixer", SND_SOC_NOPM, 0, 0,
+			isabelle_rx5_mixer_controls,
+			ARRAY_SIZE(isabelle_rx5_mixer_controls)),
+	SND_SOC_DAPM_MIXER("RX6 Mixer", SND_SOC_NOPM, 0, 0,
+			isabelle_rx6_mixer_controls,
+			ARRAY_SIZE(isabelle_rx6_mixer_controls)),
+
+	/* DACs */
+	SND_SOC_DAPM_DAC("DAC1L", "Headset Playback", ISABELLE_DAC_CFG_REG,
+			5, 0),
+	SND_SOC_DAPM_DAC("DAC1R", "Headset Playback", ISABELLE_DAC_CFG_REG,
+			4, 0),
+	SND_SOC_DAPM_DAC("DAC2L", "Handsfree Playback", ISABELLE_DAC_CFG_REG,
+			3, 0),
+	SND_SOC_DAPM_DAC("DAC2R", "Handsfree Playback", ISABELLE_DAC_CFG_REG,
+			2, 0),
+	SND_SOC_DAPM_DAC("DAC3L", "Lineout Playback", ISABELLE_DAC_CFG_REG,
+			1, 0),
+	SND_SOC_DAPM_DAC("DAC3R", "Lineout Playback", ISABELLE_DAC_CFG_REG,
+			0, 0),
+
+	/* Analog Playback PGAs */
+	SND_SOC_DAPM_PGA("Sidetone Audio PGA", SND_SOC_NOPM, 0, 0, NULL, 0),
+	SND_SOC_DAPM_PGA("Sidetone Voice PGA", SND_SOC_NOPM, 0, 0, NULL, 0),
+	SND_SOC_DAPM_PGA("HF Left PGA", SND_SOC_NOPM, 0, 0, NULL, 0),
+	SND_SOC_DAPM_PGA("HF Right PGA", SND_SOC_NOPM, 0, 0, NULL, 0),
+	SND_SOC_DAPM_PGA("DPGA1L", SND_SOC_NOPM, 0, 0, NULL, 0),
+	SND_SOC_DAPM_PGA("DPGA1R", SND_SOC_NOPM, 0, 0, NULL, 0),
+	SND_SOC_DAPM_PGA("DPGA2L", SND_SOC_NOPM, 0, 0, NULL, 0),
+	SND_SOC_DAPM_PGA("DPGA2R", SND_SOC_NOPM, 0, 0, NULL, 0),
+	SND_SOC_DAPM_PGA("DPGA3L", SND_SOC_NOPM, 0, 0, NULL, 0),
+	SND_SOC_DAPM_PGA("DPGA3R", SND_SOC_NOPM, 0, 0, NULL, 0),
+
+	/* Analog Playback Mux */
+	SND_SOC_DAPM_MUX("RX1 Playback", ISABELLE_ALU_RX_EN_REG, 5, 0,
+			&rx1_mux_controls),
+	SND_SOC_DAPM_MUX("RX2 Playback", ISABELLE_ALU_RX_EN_REG, 4, 0,
+			&rx2_mux_controls),
+
+	/* TX Select */
+	SND_SOC_DAPM_MUX("ATX Select", ISABELLE_TX_INPUT_CFG_REG,
+			7, 0, &atx_mux_controls),
+	SND_SOC_DAPM_MUX("VTX Select", ISABELLE_TX_INPUT_CFG_REG,
+			6, 0, &vtx_mux_controls),
+
+	SND_SOC_DAPM_SWITCH("Earphone Playback", SND_SOC_NOPM, 0, 0,
+			&ep_path_enable_control),
+
+	/* Output Drivers */
+	SND_SOC_DAPM_OUT_DRV("HS Left Driver", ISABELLE_HSDRV_CFG2_REG,
+			1, 0, NULL, 0),
+	SND_SOC_DAPM_OUT_DRV("HS Right Driver", ISABELLE_HSDRV_CFG2_REG,
+			0, 0, NULL, 0),
+	SND_SOC_DAPM_OUT_DRV("LINEOUT1 Left Driver", ISABELLE_LINEAMP_CFG_REG,
+			1, 0, NULL, 0),
+	SND_SOC_DAPM_OUT_DRV("LINEOUT2 Right Driver", ISABELLE_LINEAMP_CFG_REG,
+			0, 0, NULL, 0),
+	SND_SOC_DAPM_OUT_DRV("Earphone Driver", ISABELLE_EARDRV_CFG2_REG,
+			1, 0, NULL, 0),
+
+	SND_SOC_DAPM_OUT_DRV("HF Left Driver", ISABELLE_HFDRV_CFG_REG,
+			1, 0, NULL, 0),
+	SND_SOC_DAPM_OUT_DRV("HF Right Driver", ISABELLE_HFDRV_CFG_REG,
+			0, 0, NULL, 0),
+};
+
+static const struct snd_soc_dapm_route isabelle_intercon[] = {
+	/* Interface mapping */
+	{ "DL1", "DL12 Playback Switch", "INTF1_SDI" },
+	{ "DL2", "DL12 Playback Switch", "INTF1_SDI" },
+	{ "DL3", "DL34 Playback Switch", "INTF1_SDI" },
+	{ "DL4", "DL34 Playback Switch", "INTF1_SDI" },
+	{ "DL5", "DL56 Playback Switch", "INTF1_SDI" },
+	{ "DL6", "DL56 Playback Switch", "INTF1_SDI" },
+
+	{ "DL1", "DL12 Playback Switch", "INTF2_SDI" },
+	{ "DL2", "DL12 Playback Switch", "INTF2_SDI" },
+	{ "DL3", "DL34 Playback Switch", "INTF2_SDI" },
+	{ "DL4", "DL34 Playback Switch", "INTF2_SDI" },
+	{ "DL5", "DL56 Playback Switch", "INTF2_SDI" },
+	{ "DL6", "DL56 Playback Switch", "INTF2_SDI" },
+
+	/* Input side mapping */
+	{ "Sidetone Audio PGA", NULL, "Sidetone Audio Playback" },
+	{ "Sidetone Voice PGA", NULL, "Sidetone Voice Playback" },
+
+	{ "RX1 Mixer", "ST1 Playback Switch", "Sidetone Audio PGA" },
+
+	{ "RX1 Mixer", "ST1 Playback Switch", "Sidetone Voice PGA" },
+	{ "RX1 Mixer", "DL1 Playback Switch", "DL1" },
+
+	{ "RX2 Mixer", "ST2 Playback Switch", "Sidetone Audio PGA" },
+
+	{ "RX2 Mixer", "ST2 Playback Switch", "Sidetone Voice PGA" },
+	{ "RX2 Mixer", "DL2 Playback Switch", "DL2" },
+
+	{ "RX3 Mixer", "ST1 Playback Switch", "Sidetone Voice PGA" },
+	{ "RX3 Mixer", "DL3 Playback Switch", "DL3" },
+
+	{ "RX4 Mixer", "ST2 Playback Switch", "Sidetone Voice PGA" },
+	{ "RX4 Mixer", "DL4 Playback Switch", "DL4" },
+
+	{ "RX5 Mixer", "ST1 Playback Switch", "Sidetone Voice PGA" },
+	{ "RX5 Mixer", "DL5 Playback Switch", "DL5" },
+
+	{ "RX6 Mixer", "ST2 Playback Switch", "Sidetone Voice PGA" },
+	{ "RX6 Mixer", "DL6 Playback Switch", "DL6" },
+
+	/* Capture path */
+	{ "Analog Left Capture Route", "Headset Mic", "HSMIC" },
+	{ "Analog Left Capture Route", "Main Mic", "MAINMIC" },
+	{ "Analog Left Capture Route", "Aux/FM Left", "LINEIN1" },
+
+	{ "Analog Right Capture Route", "Sub Mic", "SUBMIC" },
+	{ "Analog Right Capture Route", "Aux/FM Right", "LINEIN2" },
+
+	{ "MicAmp1", NULL, "Analog Left Capture Route" },
+	{ "MicAmp2", NULL, "Analog Right Capture Route" },
+
+	{ "ADC1", NULL, "MicAmp1" },
+	{ "ADC2", NULL, "MicAmp2" },
+
+	{ "ATX Select", "AMIC1", "ADC1" },
+	{ "ATX Select", "DMIC", "DMICDAT" },
+	{ "ATX Select", "AMIC2", "ADC2" },
+
+	{ "VTX Select", "AMIC1", "ADC1" },
+	{ "VTX Select", "DMIC", "DMICDAT" },
+	{ "VTX Select", "AMIC2", "ADC2" },
+
+	{ "ULATX1", "ATX1 Filter Enable Switch", "ATX Select" },
+	{ "ULATX1", "ATX1 Filter Bypass Switch", "ATX Select" },
+	{ "ULATX2", "ATX2 Filter Enable Switch", "ATX Select" },
+	{ "ULATX2", "ATX2 Filter Bypass Switch", "ATX Select" },
+
+	{ "ULVTX1", "VTX1 Filter Enable Switch", "VTX Select" },
+	{ "ULVTX1", "VTX1 Filter Bypass Switch", "VTX Select" },
+	{ "ULVTX2", "VTX2 Filter Enable Switch", "VTX Select" },
+	{ "ULVTX2", "VTX2 Filter Bypass Switch", "VTX Select" },
+
+	{ "INTF1_SDO", "ULATX12 Capture Switch", "ULATX1" },
+	{ "INTF1_SDO", "ULATX12 Capture Switch", "ULATX2" },
+	{ "INTF2_SDO", "ULATX12 Capture Switch", "ULATX1" },
+	{ "INTF2_SDO", "ULATX12 Capture Switch", "ULATX2" },
+
+	{ "INTF1_SDO", NULL, "ULVTX1" },
+	{ "INTF1_SDO", NULL, "ULVTX2" },
+	{ "INTF2_SDO", NULL, "ULVTX1" },
+	{ "INTF2_SDO", NULL, "ULVTX2" },
+
+	/* AFM Path */
+	{ "APGA1", NULL, "LINEIN1" },
+	{ "APGA2", NULL, "LINEIN2" },
+
+	{ "RX1 Playback", "VRX1 Filter Bypass Switch", "RX1 Mixer" },
+	{ "RX1 Playback", "ARX1 Filter Bypass Switch", "RX1 Mixer" },
+	{ "RX1 Playback", "RX1 Filter Enable Switch", "RX1 Mixer" },
+
+	{ "RX2 Playback", "VRX2 Filter Bypass Switch", "RX2 Mixer" },
+	{ "RX2 Playback", "ARX2 Filter Bypass Switch", "RX2 Mixer" },
+	{ "RX2 Playback", "RX2 Filter Enable Switch", "RX2 Mixer" },
+
+	{ "RX3 Playback", "ARX3 Filter Bypass Switch", "RX3 Mixer" },
+	{ "RX3 Playback", "RX3 Filter Enable Switch", "RX3 Mixer" },
+
+	{ "RX4 Playback", "ARX4 Filter Bypass Switch", "RX4 Mixer" },
+	{ "RX4 Playback", "RX4 Filter Enable Switch", "RX4 Mixer" },
+
+	{ "RX5 Playback", "ARX5 Filter Bypass Switch", "RX5 Mixer" },
+	{ "RX5 Playback", "RX5 Filter Enable Switch", "RX5 Mixer" },
+
+	{ "RX6 Playback", "ARX6 Filter Bypass Switch", "RX6 Mixer" },
+	{ "RX6 Playback", "RX6 Filter Enable Switch", "RX6 Mixer" },
+
+	{ "DPGA1L Mixer", "RX1 Playback Switch", "RX1 Playback" },
+	{ "DPGA1L Mixer", "RX3 Playback Switch", "RX3 Playback" },
+	{ "DPGA1L Mixer", "RX5 Playback Switch", "RX5 Playback" },
+
+	{ "DPGA1R Mixer", "RX2 Playback Switch", "RX2 Playback" },
+	{ "DPGA1R Mixer", "RX4 Playback Switch", "RX4 Playback" },
+	{ "DPGA1R Mixer", "RX6 Playback Switch", "RX6 Playback" },
+
+	{ "DPGA1L", NULL, "DPGA1L Mixer" },
+	{ "DPGA1R", NULL, "DPGA1R Mixer" },
+
+	{ "DAC1L", NULL, "DPGA1L" },
+	{ "DAC1R", NULL, "DPGA1R" },
+
+	{ "DPGA2L Mixer", "RX1 Playback Switch", "RX1 Playback" },
+	{ "DPGA2L Mixer", "RX2 Playback Switch", "RX2 Playback" },
+	{ "DPGA2L Mixer", "RX3 Playback Switch", "RX3 Playback" },
+	{ "DPGA2L Mixer", "RX4 Playback Switch", "RX4 Playback" },
+	{ "DPGA2L Mixer", "RX5 Playback Switch", "RX5 Playback" },
+	{ "DPGA2L Mixer", "RX6 Playback Switch", "RX6 Playback" },
+
+	{ "DPGA2R Mixer", "RX2 Playback Switch", "RX2 Playback" },
+	{ "DPGA2R Mixer", "RX4 Playback Switch", "RX4 Playback" },
+	{ "DPGA2R Mixer", "RX6 Playback Switch", "RX6 Playback" },
+
+	{ "DPGA2L", NULL, "DPGA2L Mixer" },
+	{ "DPGA2R", NULL, "DPGA2R Mixer" },
+
+	{ "DAC2L", NULL, "DPGA2L" },
+	{ "DAC2R", NULL, "DPGA2R" },
+
+	{ "DPGA3L Mixer", "RX1 Playback Switch", "RX1 Playback" },
+	{ "DPGA3L Mixer", "RX3 Playback Switch", "RX3 Playback" },
+	{ "DPGA3L Mixer", "RX5 Playback Switch", "RX5 Playback" },
+
+	{ "DPGA3R Mixer", "RX2 Playback Switch", "RX2 Playback" },
+	{ "DPGA3R Mixer", "RX4 Playback Switch", "RX4 Playback" },
+	{ "DPGA3R Mixer", "RX6 Playback Switch", "RX6 Playback" },
+
+	{ "DPGA3L", NULL, "DPGA3L Mixer" },
+	{ "DPGA3R", NULL, "DPGA3R Mixer" },
+
+	{ "DAC3L", NULL, "DPGA3L" },
+	{ "DAC3R", NULL, "DPGA3R" },
+
+	{ "Headset Left Mixer", "DAC1L Playback Switch", "DAC1L" },
+	{ "Headset Left Mixer", "APGA1 Playback Switch", "APGA1" },
+
+	{ "Headset Right Mixer", "DAC1R Playback Switch", "DAC1R" },
+	{ "Headset Right Mixer", "APGA2 Playback Switch", "APGA2" },
+
+	{ "HS Left Driver", NULL, "Headset Left Mixer" },
+	{ "HS Right Driver", NULL, "Headset Right Mixer" },
+
+	{ "HSOL", NULL, "HS Left Driver" },
+	{ "HSOR", NULL, "HS Right Driver" },
+
+	/* Earphone playback path */
+	{ "Earphone Mixer", "DAC2L Playback Switch", "DAC2L" },
+	{ "Earphone Mixer", "APGA1 Playback Switch", "APGA1" },
+
+	{ "Earphone Playback", "Switch", "Earphone Mixer" },
+	{ "Earphone Driver", NULL, "Earphone Playback" },
+	{ "EP", NULL, "Earphone Driver" },
+
+	{ "Handsfree Left Mixer", "DAC2L Playback Switch", "DAC2L" },
+	{ "Handsfree Left Mixer", "APGA1 Playback Switch", "APGA1" },
+
+	{ "Handsfree Right Mixer", "DAC2R Playback Switch", "DAC2R" },
+	{ "Handsfree Right Mixer", "APGA2 Playback Switch", "APGA2" },
+
+	{ "HF Left PGA", NULL, "Handsfree Left Mixer" },
+	{ "HF Right PGA", NULL, "Handsfree Right Mixer" },
+
+	{ "HF Left Driver", NULL, "HF Left PGA" },
+	{ "HF Right Driver", NULL, "HF Right PGA" },
+
+	{ "HFL", NULL, "HF Left Driver" },
+	{ "HFR", NULL, "HF Right Driver" },
+
+	{ "LINEOUT1 Mixer", "DAC3L Playback Switch", "DAC3L" },
+	{ "LINEOUT1 Mixer", "APGA1 Playback Switch", "APGA1" },
+
+	{ "LINEOUT2 Mixer", "DAC3R Playback Switch", "DAC3R" },
+	{ "LINEOUT2 Mixer", "APGA2 Playback Switch", "APGA2" },
+
+	{ "LINEOUT1 Driver", NULL, "LINEOUT1 Mixer" },
+	{ "LINEOUT2 Driver", NULL, "LINEOUT2 Mixer" },
+
+	{ "LINEOUT1", NULL, "LINEOUT1 Driver" },
+	{ "LINEOUT2", NULL, "LINEOUT2 Driver" },
+};
+
+static int isabelle_hs_mute(struct snd_soc_dai *dai, int mute)
+{
+	snd_soc_update_bits(dai->codec, ISABELLE_DAC1_SOFTRAMP_REG,
+			BIT(4), (mute ? BIT(4) : 0));
+
+	return 0;
+}
+
+static int isabelle_hf_mute(struct snd_soc_dai *dai, int mute)
+{
+	snd_soc_update_bits(dai->codec, ISABELLE_DAC2_SOFTRAMP_REG,
+			BIT(4), (mute ? BIT(4) : 0));
+
+	return 0;
+}
+
+static int isabelle_line_mute(struct snd_soc_dai *dai, int mute)
+{
+	snd_soc_update_bits(dai->codec, ISABELLE_DAC3_SOFTRAMP_REG,
+			BIT(4), (mute ? BIT(4) : 0));
+
+	return 0;
+}
+
+static int isabelle_set_bias_level(struct snd_soc_codec *codec,
+				enum snd_soc_bias_level level)
+{
+	switch (level) {
+	case SND_SOC_BIAS_ON:
+		break;
+	case SND_SOC_BIAS_PREPARE:
+		break;
+
+	case SND_SOC_BIAS_STANDBY:
+		snd_soc_update_bits(codec, ISABELLE_PWR_EN_REG,
+				ISABELLE_CHIP_EN, BIT(0));
+		break;
+
+	case SND_SOC_BIAS_OFF:
+		snd_soc_update_bits(codec, ISABELLE_PWR_EN_REG,
+				ISABELLE_CHIP_EN, 0);
+		break;
+	}
+
+	codec->dapm.bias_level = level;
+
+	return 0;
+}
+
+static int isabelle_hw_params(struct snd_pcm_substream *substream,
+			      struct snd_pcm_hw_params *params,
+			      struct snd_soc_dai *dai)
+{
+	struct snd_soc_pcm_runtime *rtd = substream->private_data;
+	struct snd_soc_codec *codec = rtd->codec;
+	u16 aif = 0;
+	unsigned int fs_val = 0;
+
+	switch (params_rate(params)) {
+	case 8000:
+		fs_val = ISABELLE_FS_RATE_8;
+		break;
+	case 11025:
+		fs_val = ISABELLE_FS_RATE_11;
+		break;
+	case 12000:
+		fs_val = ISABELLE_FS_RATE_12;
+		break;
+	case 16000:
+		fs_val = ISABELLE_FS_RATE_16;
+		break;
+	case 22050:
+		fs_val = ISABELLE_FS_RATE_22;
+		break;
+	case 24000:
+		fs_val = ISABELLE_FS_RATE_24;
+		break;
+	case 32000:
+		fs_val = ISABELLE_FS_RATE_32;
+		break;
+	case 44100:
+		fs_val = ISABELLE_FS_RATE_44;
+		break;
+	case 48000:
+		fs_val = ISABELLE_FS_RATE_48;
+		break;
+	default:
+		return -EINVAL;
+	}
+
+	snd_soc_update_bits(codec, ISABELLE_FS_RATE_CFG_REG,
+			ISABELLE_FS_RATE_MASK, fs_val);
+
+	/* bit size */
+	switch (params_format(params)) {
+	case SNDRV_PCM_FORMAT_S20_3LE:
+		aif |= ISABELLE_AIF_LENGTH_20;
+		break;
+	case SNDRV_PCM_FORMAT_S32_LE:
+		aif |= ISABELLE_AIF_LENGTH_32;
+		break;
+	default:
+		return -EINVAL;
+	}
+
+	snd_soc_update_bits(codec, ISABELLE_INTF_CFG_REG,
+			ISABELLE_AIF_LENGTH_MASK, aif);
+
+	return 0;
+}
+
+static int isabelle_set_dai_fmt(struct snd_soc_dai *codec_dai, unsigned int fmt)
+{
+	struct snd_soc_codec *codec = codec_dai->codec;
+	unsigned int aif_val = 0;
+
+	switch (fmt & SND_SOC_DAIFMT_MASTER_MASK) {
+	case SND_SOC_DAIFMT_CBS_CFS:
+		aif_val &= ~ISABELLE_AIF_MS;
+		break;
+	case SND_SOC_DAIFMT_CBM_CFM:
+		aif_val |= ISABELLE_AIF_MS;
+		break;
+	default:
+		return -EINVAL;
+	}
+
+	switch (fmt & SND_SOC_DAIFMT_FORMAT_MASK) {
+	case SND_SOC_DAIFMT_I2S:
+		aif_val |= ISABELLE_I2S_MODE;
+		break;
+	case SND_SOC_DAIFMT_LEFT_J:
+		aif_val |= ISABELLE_LEFT_J_MODE;
+		break;
+	case SND_SOC_DAIFMT_PDM:
+		aif_val |= ISABELLE_PDM_MODE;
+		break;
+	default:
+		return -EINVAL;
+	}
+
+	snd_soc_update_bits(codec, ISABELLE_INTF_CFG_REG,
+			(ISABELLE_AIF_MS | ISABELLE_AIF_FMT_MASK), aif_val);
+
+	return 0;
+}
+
+/* Rates supported by Isabelle driver */
+#define ISABELLE_RATES		SNDRV_PCM_RATE_8000_48000
+
+/* Formates supported by Isabelle driver. */
+#define ISABELLE_FORMATS (SNDRV_PCM_FMTBIT_S20_3LE |\
+			SNDRV_PCM_FMTBIT_S32_LE)
+
+static struct snd_soc_dai_ops isabelle_hs_dai_ops = {
+	.hw_params	= isabelle_hw_params,
+	.set_fmt	= isabelle_set_dai_fmt,
+	.digital_mute	= isabelle_hs_mute,
+};
+
+static struct snd_soc_dai_ops isabelle_hf_dai_ops = {
+	.hw_params	= isabelle_hw_params,
+	.set_fmt	= isabelle_set_dai_fmt,
+	.digital_mute	= isabelle_hf_mute,
+};
+
+static struct snd_soc_dai_ops isabelle_line_dai_ops = {
+	.hw_params	= isabelle_hw_params,
+	.set_fmt	= isabelle_set_dai_fmt,
+	.digital_mute	= isabelle_line_mute,
+};
+
+static struct snd_soc_dai_ops isabelle_ul_dai_ops = {
+	.hw_params	= isabelle_hw_params,
+	.set_fmt	= isabelle_set_dai_fmt,
+};
+
+/* ISABELLE dai structure */
+struct snd_soc_dai_driver isabelle_dai[] = {
+	{
+		.name = "isabelle-dl1",
+		.playback = {
+			.stream_name = "Headset Playback",
+			.channels_min = 1,
+			.channels_max = 2,
+			.rates = ISABELLE_RATES,
+			.formats = ISABELLE_FORMATS,
+		},
+		.ops = &isabelle_hs_dai_ops,
+	},
+	{
+		.name = "isabelle-dl2",
+		.playback = {
+			.stream_name = "Handsfree Playback",
+			.channels_min = 1,
+			.channels_max = 2,
+			.rates = ISABELLE_RATES,
+			.formats = ISABELLE_FORMATS,
+		},
+		.ops = &isabelle_hf_dai_ops,
+	},
+	{
+		.name = "isabelle-lineout",
+		.playback = {
+			.stream_name = "Lineout Playback",
+			.channels_min = 1,
+			.channels_max = 2,
+			.rates = ISABELLE_RATES,
+			.formats = ISABELLE_FORMATS,
+		},
+		.ops = &isabelle_line_dai_ops,
+	},
+	{
+		.name = "isabelle-ul",
+		.capture = {
+			.stream_name = "Capture",
+			.channels_min = 1,
+			.channels_max = 2,
+			.rates = ISABELLE_RATES,
+			.formats = ISABELLE_FORMATS,
+		},
+		.ops = &isabelle_ul_dai_ops,
+	},
+};
+
+static int isabelle_probe(struct snd_soc_codec *codec)
+{
+	int ret = 0;
+
+	codec->control_data = dev_get_regmap(codec->dev, NULL);
+
+	ret = snd_soc_codec_set_cache_io(codec, 8, 8, SND_SOC_REGMAP);
+	if (ret < 0) {
+		dev_err(codec->dev, "Failed to set cache I/O: %d\n", ret);
+		return ret;
+	}
+
+	return 0;
+}
+
+static struct snd_soc_codec_driver soc_codec_dev_isabelle = {
+	.probe = isabelle_probe,
+	.set_bias_level = isabelle_set_bias_level,
+	.controls = isabelle_snd_controls,
+	.num_controls = ARRAY_SIZE(isabelle_snd_controls),
+	.dapm_widgets = isabelle_dapm_widgets,
+	.num_dapm_widgets = ARRAY_SIZE(isabelle_dapm_widgets),
+	.dapm_routes = isabelle_intercon,
+	.num_dapm_routes = ARRAY_SIZE(isabelle_intercon),
+	.idle_bias_off = true,
+};
+
+static const struct regmap_config isabelle_regmap_config = {
+	.reg_bits = 8,
+	.val_bits = 8,
+
+	.max_register = ISABELLE_MAX_REGISTER,
+	.reg_defaults = isabelle_reg_defs,
+	.num_reg_defaults = ARRAY_SIZE(isabelle_reg_defs),
+	.cache_type = REGCACHE_RBTREE,
+};
+
+static int __devinit isabelle_i2c_probe(struct i2c_client *i2c,
+					const struct i2c_device_id *id)
+{
+	struct regmap *isabelle_regmap;
+	int ret = 0;
+
+	i2c_set_clientdata(i2c, isabelle_regmap);
+
+	isabelle_regmap = devm_regmap_init_i2c(i2c, &isabelle_regmap_config);
+	if (IS_ERR(isabelle_regmap)) {
+		ret = PTR_ERR(isabelle_regmap);
+		dev_err(&i2c->dev, "Failed to allocate register map: %d\n",
+			ret);
+		return ret;
+	}
+
+	ret =  snd_soc_register_codec(&i2c->dev,
+				&soc_codec_dev_isabelle, isabelle_dai,
+				ARRAY_SIZE(isabelle_dai));
+	if (ret < 0) {
+		dev_err(&i2c->dev, "Failed to register codec: %d\n", ret);
+		regmap_exit(dev_get_regmap(&i2c->dev, NULL));
+		return ret;
+	}
+
+	return ret;
+}
+
+static int __devexit isabelle_i2c_remove(struct i2c_client *client)
+{
+	snd_soc_unregister_codec(&client->dev);
+	regmap_exit(dev_get_regmap(&client->dev, NULL));
+	return 0;
+}
+
+static const struct i2c_device_id isabelle_i2c_id[] = {
+	{ "isabelle", 0 },
+	{ }
+};
+MODULE_DEVICE_TABLE(i2c, isabelle_i2c_id);
+
+static struct i2c_driver isabelle_i2c_driver = {
+	.driver = {
+		.name = "isabelle",
+		.owner = THIS_MODULE,
+	},
+	.probe = isabelle_i2c_probe,
+	.remove = __devexit_p(isabelle_i2c_remove),
+	.id_table = isabelle_i2c_id,
+};
+
+module_i2c_driver(isabelle_i2c_driver);
+
+MODULE_DESCRIPTION("ASoC ISABELLE driver");
+MODULE_AUTHOR("Vishwas A Deshpande <[e-mail]>");
+MODULE_AUTHOR("M R Swami Reddy <[e-mail]>");
+MODULE_LICENSE("GPL v2");

sound/soc/codecs/isabelle.h

···
+/*
+ * isabelle.h - Low power high fidelity audio codec driver header file
+ *
+ * Copyright (c) 2012 Texas Instruments, Inc
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; version 2 of the License.
+ *
+ */
+
+#ifndef _ISABELLE_H
+#define _ISABELLE_H
+
+#include <linux/bitops.h>
+
+/* ISABELLE REGISTERS */
+
+#define ISABELLE_PWR_CFG_REG		0x01
+#define ISABELLE_PWR_EN_REG		0x02
+#define ISABELLE_PS_EN1_REG		0x03
+#define ISABELLE_INT1_STATUS_REG	0x04
+#define ISABELLE_INT1_MASK_REG		0x05
+#define ISABELLE_INT2_STATUS_REG	0x06
+#define ISABELLE_INT2_MASK_REG		0x07
+#define ISABELLE_HKCTL1_REG		0x08
+#define ISABELLE_HKCTL2_REG		0x09
+#define ISABELLE_HKCTL3_REG		0x0A
+#define ISABELLE_ACCDET_STATUS_REG	0x0B
+#define ISABELLE_BUTTON_ID_REG		0x0C
+#define ISABELLE_PLL_CFG_REG		0x10
+#define ISABELLE_PLL_EN_REG		0x11
+#define ISABELLE_FS_RATE_CFG_REG	0x12
+#define ISABELLE_INTF_CFG_REG		0x13
+#define ISABELLE_INTF_EN_REG		0x14
+#define ISABELLE_ULATX12_INTF_CFG_REG	0x15
+#define ISABELLE_DL12_INTF_CFG_REG	0x16
+#define ISABELLE_DL34_INTF_CFG_REG	0x17
+#define ISABELLE_DL56_INTF_CFG_REG	0x18
+#define ISABELLE_ATX_STPGA1_CFG_REG	0x19
+#define ISABELLE_ATX_STPGA2_CFG_REG	0x1A
+#define ISABELLE_VTX_STPGA1_CFG_REG	0x1B
+#define ISABELLE_VTX2_STPGA2_CFG_REG	0x1C
+#define ISABELLE_ATX1_DPGA_REG		0x1D
+#define ISABELLE_ATX2_DPGA_REG		0x1E
+#define ISABELLE_VTX1_DPGA_REG		0x1F
+#define ISABELLE_VTX2_DPGA_REG		0x20
+#define ISABELLE_TX_INPUT_CFG_REG	0x21
+#define ISABELLE_RX_INPUT_CFG_REG	0x22
+#define ISABELLE_RX_INPUT_CFG2_REG	0x23
+#define ISABELLE_VOICE_HPF_CFG_REG	0x24
+#define ISABELLE_AUDIO_HPF_CFG_REG	0x25
+#define ISABELLE_RX1_DPGA_REG		0x26
+#define ISABELLE_RX2_DPGA_REG		0x27
+#define ISABELLE_RX3_DPGA_REG		0x28
+#define ISABELLE_RX4_DPGA_REG		0x29
+#define ISABELLE_RX5_DPGA_REG		0x2A
+#define ISABELLE_RX6_DPGA_REG		0x2B
+#define ISABELLE_ALU_TX_EN_REG		0x2C
+#define ISABELLE_ALU_RX_EN_REG		0x2D
+#define ISABELLE_IIR_RESYNC_REG		0x2E
+#define ISABELLE_ABIAS_CFG_REG		0x30
+#define ISABELLE_DBIAS_CFG_REG		0x31
+#define ISABELLE_MIC1_GAIN_REG		0x32
+#define ISABELLE_MIC2_GAIN_REG		0x33
+#define ISABELLE_AMIC_CFG_REG		0x34
+#define ISABELLE_DMIC_CFG_REG		0x35
+#define ISABELLE_APGA_GAIN_REG		0x36
+#define ISABELLE_APGA_CFG_REG		0x37
+#define ISABELLE_TX_GAIN_DLY_REG	0x38
+#define ISABELLE_RX_GAIN_DLY_REG	0x39
+#define ISABELLE_RX_PWR_CTRL_REG	0x3A
+#define ISABELLE_DPGA1LR_IN_SEL_REG	0x3B
+#define ISABELLE_DPGA1L_GAIN_REG	0x3C
+#define ISABELLE_DPGA1R_GAIN_REG	0x3D
+#define ISABELLE_DPGA2L_IN_SEL_REG	0x3E
+#define ISABELLE_DPGA2R_IN_SEL_REG	0x3F
+#define ISABELLE_DPGA2L_GAIN_REG	0x40
+#define ISABELLE_DPGA2R_GAIN_REG	0x41
+#define ISABELLE_DPGA3LR_IN_SEL_REG	0x42
+#define ISABELLE_DPGA3L_GAIN_REG	0x43
+#define ISABELLE_DPGA3R_GAIN_REG	0x44
+#define ISABELLE_DAC1_SOFTRAMP_REG	0x45
+#define ISABELLE_DAC2_SOFTRAMP_REG	0x46
+#define ISABELLE_DAC3_SOFTRAMP_REG	0x47
+#define ISABELLE_DAC_CFG_REG		0x48
+#define ISABELLE_EARDRV_CFG1_REG	0x49
+#define ISABELLE_EARDRV_CFG2_REG	0x4A
+#define ISABELLE_HSDRV_GAIN_REG		0x4B
+#define ISABELLE_HSDRV_CFG1_REG		0x4C
+#define ISABELLE_HSDRV_CFG2_REG		0x4D
+#define ISABELLE_HS_NG_CFG1_REG		0x4E
+#define ISABELLE_HS_NG_CFG2_REG		0x4F
+#define ISABELLE_LINEAMP_GAIN_REG	0x50
+#define ISABELLE_LINEAMP_CFG_REG	0x51
+#define ISABELLE_HFL_VOL_CTRL_REG	0x52
+#define ISABELLE_HFL_SFTVOL_CTRL_REG	0x53
+#define ISABELLE_HFL_LIM_CTRL_1_REG	0x54
+#define ISABELLE_HFL_LIM_CTRL_2_REG	0x55
+#define ISABELLE_HFR_VOL_CTRL_REG	0x56
+#define ISABELLE_HFR_SFTVOL_CTRL_REG	0x57
+#define ISABELLE_HFR_LIM_CTRL_1_REG	0x58
+#define ISABELLE_HFR_LIM_CTRL_2_REG	0x59
+#define ISABELLE_HF_MODE_REG		0x5A
+#define ISABELLE_HFLPGA_CFG_REG		0x5B
+#define ISABELLE_HFRPGA_CFG_REG		0x5C
+#define ISABELLE_HFDRV_CFG_REG		0x5D
+#define ISABELLE_PDMOUT_CFG1_REG	0x5E
+#define ISABELLE_PDMOUT_CFG2_REG	0x5F
+#define ISABELLE_PDMOUT_L_WM_REG	0x60
+#define ISABELLE_PDMOUT_R_WM_REG	0x61
+#define ISABELLE_HF_NG_CFG1_REG		0x62
+#define ISABELLE_HF_NG_CFG2_REG		0x63
+
+/* ISABELLE_PWR_EN_REG (0x02h) */
+#define ISABELLE_CHIP_EN		BIT(0)
+
+/* ISABELLE DAI FORMATS */
+#define ISABELLE_AIF_FMT_MASK		0x70
+#define ISABELLE_I2S_MODE		0x0
+#define ISABELLE_LEFT_J_MODE		0x1
+#define ISABELLE_PDM_MODE		0x2
+
+#define ISABELLE_AIF_LENGTH_MASK	0x30
+#define ISABELLE_AIF_LENGTH_20		0x00
+#define ISABELLE_AIF_LENGTH_32		0x10
+
+#define ISABELLE_AIF_MS			0x80
+
+#define ISABELLE_FS_RATE_MASK		0xF
+#define ISABELLE_FS_RATE_8		0x0
+#define ISABELLE_FS_RATE_11		0x1
+#define ISABELLE_FS_RATE_12		0x2
+#define ISABELLE_FS_RATE_16		0x4
+#define ISABELLE_FS_RATE_22		0x5
+#define ISABELLE_FS_RATE_24		0x6
+#define ISABELLE_FS_RATE_32		0x8
+#define ISABELLE_FS_RATE_44		0x9
+#define ISABELLE_FS_RATE_48		0xA
+
+#define ISABELLE_MAX_REGISTER		0xFF
+
+#endif