From 51ce8712f4633484615b9982dc48038b3b86e235 Mon Sep 17 00:00:00 2001
From: Sudeep <sudeepkumar@cem-solutions.net>
Date: Fri, 23 Oct 2020 15:47:17 +0530
Subject: [PATCH] Allo boss2 driver

Signed-off-by: Sudeep <sudeepkumar@cem-solutions.net>
---
 sound/soc/bcm/Kconfig          |    9 +
 sound/soc/bcm/Makefile         |    2 +
 sound/soc/bcm/allo-boss2-dac.c | 1133 ++++++++++++++++++++++++++++++++
 3 files changed, 1144 insertions(+)
 create mode 100644 sound/soc/bcm/allo-boss2-dac.c

--- a/sound/soc/bcm/Kconfig
+++ b/sound/soc/bcm/Kconfig
@@ -258,6 +258,15 @@ config SND_BCM2708_SOC_ALLO_BOSS_DAC
 	help
 	  Say Y or M if you want to add support for Allo Boss DAC.
 
+config SND_BCM2708_SOC_ALLO_BOSS2_DAC
+	tristate "Support for Allo Boss2 DAC"
+	depends on SND_BCM2708_SOC_I2S || SND_BCM2835_SOC_I2S
+	depends on I2C
+	select REGMAP_I2C
+	select SND_AUDIO_GRAPH_CARD
+	help
+	  Say Y or M if you want to add support for Allo Boss2 DAC.
+
 config SND_BCM2708_SOC_ALLO_DIGIONE
 	tristate "Support for Allo DigiOne"
 	depends on SND_BCM2708_SOC_I2S || SND_BCM2835_SOC_I2S
--- a/sound/soc/bcm/Makefile
+++ b/sound/soc/bcm/Makefile
@@ -33,6 +33,7 @@ snd-soc-digidac1-soundcard-objs := digid
 snd-soc-dionaudio-loco-objs := dionaudio_loco.o
 snd-soc-dionaudio-loco-v2-objs := dionaudio_loco-v2.o
 snd-soc-allo-boss-dac-objs := allo-boss-dac.o
+snd-soc-allo-boss2-dac-objs := allo-boss2-dac.o
 snd-soc-allo-piano-dac-objs := allo-piano-dac.o
 snd-soc-allo-piano-dac-plus-objs := allo-piano-dac-plus.o
 snd-soc-allo-katana-codec-objs := allo-katana-codec.o
@@ -63,6 +64,7 @@ obj-$(CONFIG_SND_DIGIDAC1_SOUNDCARD) +=
 obj-$(CONFIG_SND_BCM2708_SOC_DIONAUDIO_LOCO) += snd-soc-dionaudio-loco.o
 obj-$(CONFIG_SND_BCM2708_SOC_DIONAUDIO_LOCO_V2) += snd-soc-dionaudio-loco-v2.o
 obj-$(CONFIG_SND_BCM2708_SOC_ALLO_BOSS_DAC) += snd-soc-allo-boss-dac.o
+obj-$(CONFIG_SND_BCM2708_SOC_ALLO_BOSS2_DAC) += snd-soc-allo-boss2-dac.o
 obj-$(CONFIG_SND_BCM2708_SOC_ALLO_PIANO_DAC) += snd-soc-allo-piano-dac.o
 obj-$(CONFIG_SND_BCM2708_SOC_ALLO_PIANO_DAC_PLUS) += snd-soc-allo-piano-dac-plus.o
 obj-$(CONFIG_SND_BCM2708_SOC_ALLO_KATANA_DAC) += snd-soc-allo-katana-codec.o
--- /dev/null
+++ b/sound/soc/bcm/allo-boss2-dac.c
@@ -0,0 +1,1133 @@
+/*
+ * Driver for the ALLO KATANA CODEC
+ *
+ * Author: Jaikumar <sudeepkumar@cem-solutions.net>
+ *		Copyright 2018
+ *
+ * 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.
+ *
+ * This program is distributed in the hope that it will be useful, but
+ * WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
+ * General Public License for more details.
+ */
+
+#include <linux/module.h>
+#include <linux/moduleparam.h>
+#include <linux/kernel.h>
+#include <linux/init.h>
+#include <linux/delay.h>
+#include <linux/gpio.h>
+#include <linux/gpio/consumer.h>
+#include <linux/platform_device.h>
+#include <linux/pm.h>
+#include <linux/i2c.h>
+#include <linux/of_device.h>
+#include <linux/regmap.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/initval.h>
+#include <sound/tlv.h>
+#include <linux/of_gpio.h>
+#include <linux/regulator/consumer.h>
+#include <linux/pm_runtime.h>
+#include <linux/of_irq.h>
+#include <linux/completion.h>
+#include <linux/mutex.h>
+#include <linux/workqueue.h>
+#include <sound/jack.h>
+
+#include "../codecs/cs43130.h"
+
+#include <linux/clk.h>
+#include <linux/gcd.h>
+#define DEBUG
+
+#define CS43130_DSD_EN_MASK             0x10
+#define CS43130_PDN_DONE_INT_MASK        0x00
+
+static struct gpio_desc *snd_allo_clk44gpio;
+static struct gpio_desc *snd_allo_clk48gpio;
+
+struct  cs43130_priv {
+	struct snd_soc_component        *component;
+	struct regmap                   *regmap;
+	struct regulator_bulk_data      supplies[CS43130_NUM_SUPPLIES];
+	struct gpio_desc                *reset_gpio;
+	unsigned int                    dev_id; /* codec device ID */
+	int                             xtal_ibias;
+	/* shared by both DAIs */
+	struct mutex                    clk_mutex;
+	int                             clk_req;
+	bool                            pll_bypass;
+	struct completion               xtal_rdy;
+	struct completion               pll_rdy;
+	unsigned int                    mclk;
+	unsigned int                    mclk_int;
+	int                             mclk_int_src;
+
+	/* DAI specific */
+	struct cs43130_dai              dais[CS43130_DAI_ID_MAX];
+
+	/* HP load specific */
+	bool                            dc_meas;
+	bool                            ac_meas;
+	bool                            hpload_done;
+	struct completion               hpload_evt;
+	unsigned int                    hpload_stat;
+	u16                             hpload_dc[2];
+	u16                             dc_threshold[CS43130_DC_THRESHOLD];
+	u16                             ac_freq[CS43130_AC_FREQ];
+	u16                             hpload_ac[CS43130_AC_FREQ][2];
+	struct workqueue_struct         *wq;
+	struct work_struct              work;
+	struct snd_soc_jack             jack;
+};
+
+static const struct reg_default cs43130_reg_defaults[] = {
+	{CS43130_SYS_CLK_CTL_1, 0x06},
+	{CS43130_SP_SRATE, 0x01},
+	{CS43130_SP_BITSIZE, 0x05},
+	{CS43130_PAD_INT_CFG, 0x03},
+	{CS43130_PWDN_CTL, 0xFE},
+	{CS43130_CRYSTAL_SET, 0x04},
+	{CS43130_PLL_SET_1, 0x00},
+	{CS43130_PLL_SET_2, 0x00},
+	{CS43130_PLL_SET_3, 0x00},
+	{CS43130_PLL_SET_4, 0x00},
+	{CS43130_PLL_SET_5, 0x40},
+	{CS43130_PLL_SET_6, 0x10},
+	{CS43130_PLL_SET_7, 0x80},
+	{CS43130_PLL_SET_8, 0x03},
+	{CS43130_PLL_SET_9, 0x02},
+	{CS43130_PLL_SET_10, 0x02},
+	{CS43130_CLKOUT_CTL, 0x00},
+	{CS43130_ASP_NUM_1, 0x01},
+	{CS43130_ASP_NUM_2, 0x00},
+	{CS43130_ASP_DEN_1, 0x08},
+	{CS43130_ASP_DEN_2, 0x00},
+	{CS43130_ASP_LRCK_HI_TIME_1, 0x1F},
+	{CS43130_ASP_LRCK_HI_TIME_2, 0x00},
+	{CS43130_ASP_LRCK_PERIOD_1, 0x3F},
+	{CS43130_ASP_LRCK_PERIOD_2, 0x00},
+	{CS43130_ASP_CLOCK_CONF, 0x0C},
+	{CS43130_ASP_FRAME_CONF, 0x0A},
+	{CS43130_XSP_NUM_1, 0x01},
+	{CS43130_XSP_NUM_2, 0x00},
+	{CS43130_XSP_DEN_1, 0x02},
+	{CS43130_XSP_DEN_2, 0x00},
+	{CS43130_XSP_LRCK_HI_TIME_1, 0x1F},
+	{CS43130_XSP_LRCK_HI_TIME_2, 0x00},
+	{CS43130_XSP_LRCK_PERIOD_1, 0x3F},
+	{CS43130_XSP_LRCK_PERIOD_2, 0x00},
+	{CS43130_XSP_CLOCK_CONF, 0x0C},
+	{CS43130_XSP_FRAME_CONF, 0x0A},
+	{CS43130_ASP_CH_1_LOC, 0x00},
+	{CS43130_ASP_CH_2_LOC, 0x00},
+	{CS43130_ASP_CH_1_SZ_EN, 0x06},
+	{CS43130_ASP_CH_2_SZ_EN, 0x0E},
+	{CS43130_XSP_CH_1_LOC, 0x00},
+	{CS43130_XSP_CH_2_LOC, 0x00},
+	{CS43130_XSP_CH_1_SZ_EN, 0x06},
+	{CS43130_XSP_CH_2_SZ_EN, 0x0E},
+	{CS43130_DSD_VOL_B, 0x78},
+	{CS43130_DSD_VOL_A, 0x78},
+	{CS43130_DSD_PATH_CTL_1, 0xA8},
+	{CS43130_DSD_INT_CFG, 0x00},
+	{CS43130_DSD_PATH_CTL_2, 0x02},
+	{CS43130_DSD_PCM_MIX_CTL, 0x00},
+	{CS43130_DSD_PATH_CTL_3, 0x40},
+	{CS43130_HP_OUT_CTL_1, 0x30},
+	{CS43130_PCM_FILT_OPT, 0x02},
+	{CS43130_PCM_VOL_B, 0x78},
+	{CS43130_PCM_VOL_A, 0x78},
+	{CS43130_PCM_PATH_CTL_1, 0xA8},
+	{CS43130_PCM_PATH_CTL_2, 0x00},
+	{CS43130_CLASS_H_CTL, 0x1E},
+	{CS43130_HP_DETECT, 0x04},
+	{CS43130_HP_LOAD_1, 0x00},
+	{CS43130_HP_MEAS_LOAD_1, 0x00},
+	{CS43130_HP_MEAS_LOAD_2, 0x00},
+	{CS43130_INT_MASK_1, 0xFF},
+	{CS43130_INT_MASK_2, 0xFF},
+	{CS43130_INT_MASK_3, 0xFF},
+	{CS43130_INT_MASK_4, 0xFF},
+	{CS43130_INT_MASK_5, 0xFF},
+};
+static bool cs43130_volatile_register(struct device *dev, unsigned int reg)
+{
+	switch (reg) {
+	case CS43130_INT_STATUS_1 ... CS43130_INT_STATUS_5:
+	case CS43130_HP_DC_STAT_1 ... CS43130_HP_DC_STAT_2:
+	case CS43130_HP_AC_STAT_1 ... CS43130_HP_AC_STAT_2:
+		return true;
+	default:
+		return false;
+	}
+}
+
+static const char * const pcm_spd_texts[] = {
+	"Fast",
+	"Slow",
+};
+
+static SOC_ENUM_SINGLE_DECL(pcm_spd_enum, CS43130_PCM_FILT_OPT, 7,
+			pcm_spd_texts);
+
+static const SNDRV_CTL_TLVD_DECLARE_DB_MINMAX(master_tlv, -12750, 0);
+
+static const struct snd_kcontrol_new cs43130_controls[] = {
+	SOC_DOUBLE_R_TLV("Master Playback Volume", CS43130_PCM_VOL_B,
+			CS43130_PCM_VOL_A, 0, 255, 1, master_tlv),
+	SOC_DOUBLE("Master Playback Switch", CS43130_PCM_PATH_CTL_1,
+			0, 1, 1, 1),
+	SOC_DOUBLE_R_TLV("Digital Playback Volume", CS43130_DSD_VOL_B,
+			CS43130_DSD_VOL_A, 0, 255, 1, master_tlv),
+	SOC_DOUBLE("Digital Playback Switch", CS43130_DSD_PATH_CTL_1,
+			0, 1, 1, 1),
+	SOC_SINGLE("HV_Enable", CS43130_HP_OUT_CTL_1, 0, 1, 0),
+	SOC_ENUM("PCM Filter Speed", pcm_spd_enum),
+	SOC_SINGLE("PCM Phase Compensation", CS43130_PCM_FILT_OPT, 6, 1, 0),
+	SOC_SINGLE("PCM Nonoversample Emulate", CS43130_PCM_FILT_OPT, 5, 1, 0),
+	SOC_SINGLE("PCM High-pass Filter", CS43130_PCM_FILT_OPT, 1, 1, 0),
+	SOC_SINGLE("PCM De-emphasis Filter", CS43130_PCM_FILT_OPT, 0, 1, 0),
+};
+
+static bool cs43130_readable_register(struct device *dev, unsigned int reg)
+{
+	switch (reg) {
+	case CS43130_DEVID_AB ... CS43130_SYS_CLK_CTL_1:
+	case CS43130_SP_SRATE ... CS43130_PAD_INT_CFG:
+	case CS43130_PWDN_CTL:
+	case CS43130_CRYSTAL_SET:
+	case CS43130_PLL_SET_1 ... CS43130_PLL_SET_5:
+	case CS43130_PLL_SET_6:
+	case CS43130_PLL_SET_7:
+	case CS43130_PLL_SET_8:
+	case CS43130_PLL_SET_9:
+	case CS43130_PLL_SET_10:
+	case CS43130_CLKOUT_CTL:
+	case CS43130_ASP_NUM_1 ... CS43130_ASP_FRAME_CONF:
+	case CS43130_XSP_NUM_1 ... CS43130_XSP_FRAME_CONF:
+	case CS43130_ASP_CH_1_LOC:
+	case CS43130_ASP_CH_2_LOC:
+	case CS43130_ASP_CH_1_SZ_EN:
+	case CS43130_ASP_CH_2_SZ_EN:
+	case CS43130_XSP_CH_1_LOC:
+	case CS43130_XSP_CH_2_LOC:
+	case CS43130_XSP_CH_1_SZ_EN:
+	case CS43130_XSP_CH_2_SZ_EN:
+	case CS43130_DSD_VOL_B ... CS43130_DSD_PATH_CTL_3:
+	case CS43130_HP_OUT_CTL_1:
+	case CS43130_PCM_FILT_OPT ... CS43130_PCM_PATH_CTL_2:
+	case CS43130_CLASS_H_CTL:
+	case CS43130_HP_DETECT:
+	case CS43130_HP_STATUS:
+	case CS43130_HP_LOAD_1:
+	case CS43130_HP_MEAS_LOAD_1:
+	case CS43130_HP_MEAS_LOAD_2:
+	case CS43130_HP_DC_STAT_1:
+	case CS43130_HP_DC_STAT_2:
+	case CS43130_HP_AC_STAT_1:
+	case CS43130_HP_AC_STAT_2:
+	case CS43130_HP_LOAD_STAT:
+	case CS43130_INT_STATUS_1 ... CS43130_INT_STATUS_5:
+	case CS43130_INT_MASK_1 ... CS43130_INT_MASK_5:
+		return true;
+	default:
+		return false;
+	}
+}
+static bool cs43130_precious_register(struct device *dev, unsigned int reg)
+{
+	switch (reg) {
+	case CS43130_INT_STATUS_1 ... CS43130_INT_STATUS_5:
+		return true;
+	default:
+		return false;
+	}
+}
+static int cs43130_pcm_pdn(struct snd_soc_component *component)
+{
+	struct cs43130_priv *cs43130 =
+				snd_soc_component_get_drvdata(component);
+	int ret;
+	unsigned int reg, pdn_int;
+
+	regmap_write(cs43130->regmap, CS43130_DSD_PATH_CTL_2, 0x02);
+	regmap_update_bits(cs43130->regmap, CS43130_INT_MASK_1,
+			CS43130_PDN_DONE_INT_MASK, 0);
+	regmap_update_bits(cs43130->regmap, CS43130_PWDN_CTL,
+			CS43130_PDN_HP_MASK, 1 << CS43130_PDN_HP_SHIFT);
+	usleep_range(10, 50);
+	ret = regmap_read(cs43130->regmap, CS43130_INT_STATUS_1, &reg);
+	pdn_int = reg & 0xFE;
+	regmap_update_bits(cs43130->regmap, CS43130_PWDN_CTL,
+			CS43130_PDN_ASP_MASK, 1 << CS43130_PDN_ASP_SHIFT);
+	return 0;
+
+}
+static int cs43130_pwr_up_asp_dac(struct snd_soc_component *component)
+{
+	struct cs43130_priv *cs43130 =
+				snd_soc_component_get_drvdata(component);
+
+	regmap_update_bits(cs43130->regmap, CS43130_PAD_INT_CFG,
+			CS43130_ASP_3ST_MASK, 0);
+	regmap_write(cs43130->regmap, CS43130_DXD1, 0x99);
+	regmap_write(cs43130->regmap, CS43130_DXD13, 0x20);
+	regmap_update_bits(cs43130->regmap, CS43130_PWDN_CTL,
+			CS43130_PDN_ASP_MASK, 0);
+	regmap_update_bits(cs43130->regmap, CS43130_PWDN_CTL,
+			CS43130_PDN_HP_MASK, 0);
+	usleep_range(10000, 12000);
+	regmap_write(cs43130->regmap, CS43130_DXD1, 0x00);
+	regmap_write(cs43130->regmap, CS43130_DXD13, 0x00);
+	return 0;
+}
+static int cs43130_change_clksrc(struct snd_soc_component *component,
+				enum cs43130_mclk_src_sel src)
+{
+	int ret;
+	struct cs43130_priv *cs43130 =
+				snd_soc_component_get_drvdata(component);
+	int mclk_int_decoded;
+
+	if (src == cs43130->mclk_int_src) {
+		/* clk source has not changed */
+		return 0;
+	}
+	switch (cs43130->mclk_int) {
+	case CS43130_MCLK_22M:
+		mclk_int_decoded = CS43130_MCLK_22P5;
+		break;
+	case CS43130_MCLK_24M:
+		mclk_int_decoded = CS43130_MCLK_24P5;
+		break;
+	default:
+		dev_err(component->dev, "Invalid MCLK INT freq: %u\n",
+			cs43130->mclk_int);
+		return -EINVAL;
+	}
+
+	switch (src) {
+	case CS43130_MCLK_SRC_EXT:
+		cs43130->pll_bypass = true;
+		cs43130->mclk_int_src = CS43130_MCLK_SRC_EXT;
+		if (cs43130->xtal_ibias == CS43130_XTAL_UNUSED) {
+			regmap_update_bits(cs43130->regmap, CS43130_PWDN_CTL,
+					CS43130_PDN_XTAL_MASK,
+					1 << CS43130_PDN_XTAL_SHIFT);
+		} else {
+			reinit_completion(&cs43130->xtal_rdy);
+			regmap_update_bits(cs43130->regmap, CS43130_INT_MASK_1,
+					CS43130_XTAL_RDY_INT_MASK, 0);
+			regmap_update_bits(cs43130->regmap, CS43130_PWDN_CTL,
+					CS43130_PDN_XTAL_MASK, 0);
+			ret = wait_for_completion_timeout(&cs43130->xtal_rdy,
+					msecs_to_jiffies(100));
+			regmap_update_bits(cs43130->regmap, CS43130_INT_MASK_1,
+					CS43130_XTAL_RDY_INT_MASK,
+					1 << CS43130_XTAL_RDY_INT_SHIFT);
+			if (ret == 0) {
+				dev_err(component->dev, "Timeout waiting for XTAL_READY interrupt\n");
+				return -ETIMEDOUT;
+			}
+		}
+	regmap_update_bits(cs43130->regmap, CS43130_SYS_CLK_CTL_1,
+				CS43130_MCLK_SRC_SEL_MASK,
+				src << CS43130_MCLK_SRC_SEL_SHIFT);
+	regmap_update_bits(cs43130->regmap, CS43130_SYS_CLK_CTL_1,
+				CS43130_MCLK_INT_MASK,
+				mclk_int_decoded << CS43130_MCLK_INT_SHIFT);
+	usleep_range(150, 200);
+	regmap_update_bits(cs43130->regmap, CS43130_PWDN_CTL,
+				CS43130_PDN_PLL_MASK,
+				1 << CS43130_PDN_PLL_SHIFT);
+	break;
+	case CS43130_MCLK_SRC_RCO:
+		cs43130->mclk_int_src = CS43130_MCLK_SRC_RCO;
+
+		regmap_update_bits(cs43130->regmap, CS43130_SYS_CLK_CTL_1,
+				CS43130_MCLK_SRC_SEL_MASK,
+				src << CS43130_MCLK_SRC_SEL_SHIFT);
+		regmap_update_bits(cs43130->regmap, CS43130_SYS_CLK_CTL_1,
+				CS43130_MCLK_INT_MASK,
+				CS43130_MCLK_22P5 << CS43130_MCLK_INT_SHIFT);
+		usleep_range(150, 200);
+		regmap_update_bits(cs43130->regmap, CS43130_PWDN_CTL,
+				CS43130_PDN_XTAL_MASK,
+				1 << CS43130_PDN_XTAL_SHIFT);
+		regmap_update_bits(cs43130->regmap, CS43130_PWDN_CTL,
+				CS43130_PDN_PLL_MASK,
+				1 << CS43130_PDN_PLL_SHIFT);
+	break;
+	default:
+		dev_err(component->dev, "Invalid MCLK source value\n");
+		return -EINVAL;
+	}
+
+	return 0;
+}
+static const struct cs43130_bitwidth_map cs43130_bitwidth_table[] = {
+	{8,     CS43130_SP_BIT_SIZE_8,  CS43130_CH_BIT_SIZE_8},
+	{16,    CS43130_SP_BIT_SIZE_16, CS43130_CH_BIT_SIZE_16},
+	{24,    CS43130_SP_BIT_SIZE_24, CS43130_CH_BIT_SIZE_24},
+	{32,    CS43130_SP_BIT_SIZE_32, CS43130_CH_BIT_SIZE_32},
+};
+
+static const struct cs43130_bitwidth_map *cs43130_get_bitwidth_table(
+					unsigned int bitwidth)
+{
+	int i;
+
+	for (i = 0; i < ARRAY_SIZE(cs43130_bitwidth_table); i++) {
+		if (cs43130_bitwidth_table[i].bitwidth == bitwidth)
+			return &cs43130_bitwidth_table[i];
+	}
+
+	return NULL;
+}
+static int cs43130_set_bitwidth(int dai_id, unsigned int bitwidth_dai,
+				struct regmap *regmap)
+{
+	const struct cs43130_bitwidth_map *bw_map;
+
+	bw_map = cs43130_get_bitwidth_table(bitwidth_dai);
+	if (!bw_map)
+		return -EINVAL;
+
+	switch (dai_id) {
+	case CS43130_ASP_PCM_DAI:
+	case CS43130_ASP_DOP_DAI:
+		regmap_update_bits(regmap, CS43130_ASP_CH_1_SZ_EN,
+				CS43130_CH_BITSIZE_MASK, bw_map->ch_bit);
+		regmap_update_bits(regmap, CS43130_ASP_CH_2_SZ_EN,
+				CS43130_CH_BITSIZE_MASK, bw_map->ch_bit);
+		regmap_update_bits(regmap, CS43130_SP_BITSIZE,
+				CS43130_ASP_BITSIZE_MASK, bw_map->sp_bit);
+		break;
+	case CS43130_XSP_DOP_DAI:
+		regmap_update_bits(regmap, CS43130_XSP_CH_1_SZ_EN,
+				CS43130_CH_BITSIZE_MASK, bw_map->ch_bit);
+		regmap_update_bits(regmap, CS43130_XSP_CH_2_SZ_EN,
+				CS43130_CH_BITSIZE_MASK, bw_map->ch_bit);
+		regmap_update_bits(regmap, CS43130_SP_BITSIZE,
+				CS43130_XSP_BITSIZE_MASK, bw_map->sp_bit <<
+				CS43130_XSP_BITSIZE_SHIFT);
+	break;
+	default:
+		return -EINVAL;
+	}
+
+	return 0;
+}
+static const struct cs43130_rate_map cs43130_rate_table[] = {
+	{32000,         CS43130_ASP_SPRATE_32K},
+	{44100,         CS43130_ASP_SPRATE_44_1K},
+	{48000,         CS43130_ASP_SPRATE_48K},
+	{88200,         CS43130_ASP_SPRATE_88_2K},
+	{96000,         CS43130_ASP_SPRATE_96K},
+	{176400,        CS43130_ASP_SPRATE_176_4K},
+	{192000,        CS43130_ASP_SPRATE_192K},
+	{352800,        CS43130_ASP_SPRATE_352_8K},
+	{384000,        CS43130_ASP_SPRATE_384K},
+};
+
+static const struct cs43130_rate_map *cs43130_get_rate_table(int fs)
+{
+	int i;
+
+	for (i = 0; i < ARRAY_SIZE(cs43130_rate_table); i++) {
+		if (cs43130_rate_table[i].fs == fs)
+			return &cs43130_rate_table[i];
+	}
+
+	return NULL;
+}
+
+static const struct cs43130_clk_gen *cs43130_get_clk_gen(int mclk_int, int fs,
+	const struct cs43130_clk_gen *clk_gen_table, int len_clk_gen_table)
+{
+	int i;
+
+	for (i = 0; i < len_clk_gen_table; i++) {
+		if (clk_gen_table[i].mclk_int == mclk_int &&
+					clk_gen_table[i].fs == fs)
+			return &clk_gen_table[i];
+	}
+	return NULL;
+}
+
+static int cs43130_set_sp_fmt(int dai_id, unsigned int bitwidth_sclk,
+				struct snd_pcm_hw_params *params,
+				struct cs43130_priv *cs43130)
+{
+	u16 frm_size;
+	u16 hi_size;
+	u8 frm_delay;
+	u8 frm_phase;
+	u8 frm_data;
+	u8 sclk_edge;
+	u8 lrck_edge;
+	u8 clk_data;
+	u8 loc_ch1;
+	u8 loc_ch2;
+	u8 dai_mode_val;
+	const struct cs43130_clk_gen *clk_gen;
+
+	switch (cs43130->dais[dai_id].dai_format) {
+	case SND_SOC_DAIFMT_I2S:
+		hi_size = bitwidth_sclk;
+		frm_delay = 2;
+		frm_phase = 0;
+		break;
+	case SND_SOC_DAIFMT_LEFT_J:
+		hi_size = bitwidth_sclk;
+		frm_delay = 2;
+		frm_phase = 1;
+		break;
+	case SND_SOC_DAIFMT_DSP_A:
+		hi_size = 1;
+		frm_delay = 2;
+		frm_phase = 1;
+		break;
+	case SND_SOC_DAIFMT_DSP_B:
+		hi_size = 1;
+		frm_delay = 0;
+		frm_phase = 1;
+		break;
+	default:
+		return -EINVAL;
+	}
+	switch (cs43130->dais[dai_id].dai_mode) {
+	case SND_SOC_DAIFMT_CBS_CFS:
+		dai_mode_val = 0;
+		break;
+	case SND_SOC_DAIFMT_CBM_CFM:
+		dai_mode_val = 1;
+		break;
+	default:
+		return -EINVAL;
+	}
+
+	frm_size = bitwidth_sclk * params_channels(params);
+	sclk_edge = 1;
+	lrck_edge = 0;
+	loc_ch1 = 0;
+	loc_ch2 = bitwidth_sclk * (params_channels(params) - 1);
+
+	frm_data = frm_delay & CS43130_SP_FSD_MASK;
+	frm_data |= (frm_phase << CS43130_SP_STP_SHIFT) & CS43130_SP_STP_MASK;
+
+	clk_data = lrck_edge & CS43130_SP_LCPOL_IN_MASK;
+	clk_data |= (lrck_edge << CS43130_SP_LCPOL_OUT_SHIFT) &
+			CS43130_SP_LCPOL_OUT_MASK;
+	clk_data |= (sclk_edge << CS43130_SP_SCPOL_IN_SHIFT) &
+			CS43130_SP_SCPOL_IN_MASK;
+	clk_data |= (sclk_edge << CS43130_SP_SCPOL_OUT_SHIFT) &
+			CS43130_SP_SCPOL_OUT_MASK;
+	clk_data |= (dai_mode_val << CS43130_SP_MODE_SHIFT) &
+			CS43130_SP_MODE_MASK;
+	switch (dai_id) {
+	case CS43130_ASP_PCM_DAI:
+	case CS43130_ASP_DOP_DAI:
+		regmap_update_bits(cs43130->regmap, CS43130_ASP_LRCK_PERIOD_1,
+			CS43130_SP_LCPR_DATA_MASK, (frm_size - 1) >>
+			CS43130_SP_LCPR_LSB_DATA_SHIFT);
+		regmap_update_bits(cs43130->regmap, CS43130_ASP_LRCK_PERIOD_2,
+			CS43130_SP_LCPR_DATA_MASK, (frm_size - 1) >>
+			CS43130_SP_LCPR_MSB_DATA_SHIFT);
+		regmap_update_bits(cs43130->regmap, CS43130_ASP_LRCK_HI_TIME_1,
+			CS43130_SP_LCHI_DATA_MASK, (hi_size - 1) >>
+			CS43130_SP_LCHI_LSB_DATA_SHIFT);
+		regmap_update_bits(cs43130->regmap, CS43130_ASP_LRCK_HI_TIME_2,
+			CS43130_SP_LCHI_DATA_MASK, (hi_size - 1) >>
+			CS43130_SP_LCHI_MSB_DATA_SHIFT);
+		regmap_write(cs43130->regmap, CS43130_ASP_FRAME_CONF, frm_data);
+		regmap_write(cs43130->regmap, CS43130_ASP_CH_1_LOC, loc_ch1);
+		regmap_write(cs43130->regmap, CS43130_ASP_CH_2_LOC, loc_ch2);
+		regmap_update_bits(cs43130->regmap, CS43130_ASP_CH_1_SZ_EN,
+			CS43130_CH_EN_MASK, 1 << CS43130_CH_EN_SHIFT);
+		regmap_update_bits(cs43130->regmap, CS43130_ASP_CH_2_SZ_EN,
+			CS43130_CH_EN_MASK, 1 << CS43130_CH_EN_SHIFT);
+		regmap_write(cs43130->regmap, CS43130_ASP_CLOCK_CONF, clk_data);
+		break;
+	case CS43130_XSP_DOP_DAI:
+		regmap_update_bits(cs43130->regmap, CS43130_XSP_LRCK_PERIOD_1,
+			CS43130_SP_LCPR_DATA_MASK, (frm_size - 1) >>
+			CS43130_SP_LCPR_LSB_DATA_SHIFT);
+		regmap_update_bits(cs43130->regmap, CS43130_XSP_LRCK_PERIOD_2,
+			CS43130_SP_LCPR_DATA_MASK, (frm_size - 1) >>
+			CS43130_SP_LCPR_MSB_DATA_SHIFT);
+		regmap_update_bits(cs43130->regmap, CS43130_XSP_LRCK_HI_TIME_1,
+			CS43130_SP_LCHI_DATA_MASK, (hi_size - 1) >>
+			CS43130_SP_LCHI_LSB_DATA_SHIFT);
+		regmap_update_bits(cs43130->regmap, CS43130_XSP_LRCK_HI_TIME_2,
+			CS43130_SP_LCHI_DATA_MASK, (hi_size - 1) >>
+			CS43130_SP_LCHI_MSB_DATA_SHIFT);
+		regmap_write(cs43130->regmap, CS43130_XSP_FRAME_CONF, frm_data);
+		regmap_write(cs43130->regmap, CS43130_XSP_CH_1_LOC, loc_ch1);
+		regmap_write(cs43130->regmap, CS43130_XSP_CH_2_LOC, loc_ch2);
+		regmap_update_bits(cs43130->regmap, CS43130_XSP_CH_1_SZ_EN,
+			CS43130_CH_EN_MASK, 1 << CS43130_CH_EN_SHIFT);
+		regmap_update_bits(cs43130->regmap, CS43130_XSP_CH_2_SZ_EN,
+			CS43130_CH_EN_MASK, 1 << CS43130_CH_EN_SHIFT);
+		regmap_write(cs43130->regmap, CS43130_XSP_CLOCK_CONF, clk_data);
+		break;
+	default:
+		return -EINVAL;
+	}
+	switch (frm_size) {
+	case 16:
+		clk_gen = cs43130_get_clk_gen(cs43130->mclk_int,
+						params_rate(params),
+						cs43130_16_clk_gen,
+						ARRAY_SIZE(cs43130_16_clk_gen));
+		break;
+	case 32:
+		clk_gen = cs43130_get_clk_gen(cs43130->mclk_int,
+						params_rate(params),
+						cs43130_32_clk_gen,
+						ARRAY_SIZE(cs43130_32_clk_gen));
+		break;
+	case 48:
+		clk_gen = cs43130_get_clk_gen(cs43130->mclk_int,
+						params_rate(params),
+						cs43130_48_clk_gen,
+						ARRAY_SIZE(cs43130_48_clk_gen));
+		break;
+	case 64:
+		clk_gen = cs43130_get_clk_gen(cs43130->mclk_int,
+						params_rate(params),
+						cs43130_64_clk_gen,
+						ARRAY_SIZE(cs43130_64_clk_gen));
+		break;
+	default:
+		return -EINVAL;
+	}
+	if (!clk_gen)
+		return -EINVAL;
+	switch (dai_id) {
+	case CS43130_ASP_PCM_DAI:
+	case CS43130_ASP_DOP_DAI:
+		regmap_write(cs43130->regmap, CS43130_ASP_DEN_1,
+				(clk_gen->den & CS43130_SP_M_LSB_DATA_MASK) >>
+				CS43130_SP_M_LSB_DATA_SHIFT);
+		regmap_write(cs43130->regmap, CS43130_ASP_DEN_2,
+				(clk_gen->den & CS43130_SP_M_MSB_DATA_MASK) >>
+				CS43130_SP_M_MSB_DATA_SHIFT);
+		regmap_write(cs43130->regmap, CS43130_ASP_NUM_1,
+				(clk_gen->num & CS43130_SP_N_LSB_DATA_MASK) >>
+				CS43130_SP_N_LSB_DATA_SHIFT);
+		regmap_write(cs43130->regmap, CS43130_ASP_NUM_2,
+				(clk_gen->num & CS43130_SP_N_MSB_DATA_MASK) >>
+				CS43130_SP_N_MSB_DATA_SHIFT);
+		break;
+	case CS43130_XSP_DOP_DAI:
+		regmap_write(cs43130->regmap, CS43130_XSP_DEN_1,
+				(clk_gen->den & CS43130_SP_M_LSB_DATA_MASK) >>
+				CS43130_SP_M_LSB_DATA_SHIFT);
+		regmap_write(cs43130->regmap, CS43130_XSP_DEN_2,
+				(clk_gen->den & CS43130_SP_M_MSB_DATA_MASK) >>
+				CS43130_SP_M_MSB_DATA_SHIFT);
+		regmap_write(cs43130->regmap, CS43130_XSP_NUM_1,
+				(clk_gen->num & CS43130_SP_N_LSB_DATA_MASK) >>
+				CS43130_SP_N_LSB_DATA_SHIFT);
+		regmap_write(cs43130->regmap, CS43130_XSP_NUM_2,
+				(clk_gen->num & CS43130_SP_N_MSB_DATA_MASK) >>
+				CS43130_SP_N_MSB_DATA_SHIFT);
+		break;
+	default:
+		return -EINVAL;
+	}
+	return 0;
+}
+
+static int cs43130_hw_params(struct snd_pcm_substream *substream,
+				struct snd_pcm_hw_params *params,
+				struct snd_soc_dai *dai)
+{
+	struct snd_soc_component *component = dai->component;
+	struct cs43130_priv *cs43130 =
+				snd_soc_component_get_drvdata(component);
+	const struct cs43130_rate_map *rate_map;
+	unsigned int sclk = cs43130->dais[dai->id].sclk;
+	unsigned int bitwidth_sclk;
+	unsigned int bitwidth_dai = (unsigned int)(params_width(params));
+	unsigned int dop_rate = (unsigned int)(params_rate(params));
+	unsigned int required_clk, ret;
+	u8 dsd_speed;
+
+	cs43130->pll_bypass = true;
+	cs43130_pcm_pdn(component);
+	mutex_lock(&cs43130->clk_mutex);
+	if (!cs43130->clk_req) {
+		/* no DAI is currently using clk */
+		if (!(CS43130_MCLK_22M % params_rate(params))) {
+			required_clk = CS43130_MCLK_22M;
+			cs43130->mclk_int =  CS43130_MCLK_22M;
+			gpiod_set_value_cansleep(snd_allo_clk44gpio, 1);
+			gpiod_set_value_cansleep(snd_allo_clk48gpio, 0);
+			usleep_range(13500, 14000);
+		} else {
+			required_clk = CS43130_MCLK_24M;
+			cs43130->mclk_int =  CS43130_MCLK_24M;
+			gpiod_set_value_cansleep(snd_allo_clk48gpio, 1);
+			gpiod_set_value_cansleep(snd_allo_clk44gpio, 0);
+			usleep_range(13500, 14000);
+		}
+		if (cs43130->pll_bypass)
+			cs43130_change_clksrc(component, CS43130_MCLK_SRC_EXT);
+		else
+			cs43130_change_clksrc(component, CS43130_MCLK_SRC_PLL);
+	}
+
+	cs43130->clk_req++;
+	mutex_unlock(&cs43130->clk_mutex);
+
+	switch (dai->id) {
+	case CS43130_ASP_DOP_DAI:
+	case CS43130_XSP_DOP_DAI:
+		/* DoP bitwidth is always 24-bit */
+		bitwidth_dai = 24;
+		sclk = params_rate(params) * bitwidth_dai *
+				params_channels(params);
+
+		switch (params_rate(params)) {
+		case 176400:
+			dsd_speed = 0;
+			break;
+		case 352800:
+			dsd_speed = 1;
+			break;
+		default:
+			dev_err(component->dev, "Rate(%u) not supported\n",
+				params_rate(params));
+			return -EINVAL;
+		}
+
+		regmap_update_bits(cs43130->regmap, CS43130_DSD_PATH_CTL_2,
+					CS43130_DSD_SPEED_MASK,
+					dsd_speed << CS43130_DSD_SPEED_SHIFT);
+		break;
+	case CS43130_ASP_PCM_DAI:
+		rate_map = cs43130_get_rate_table(params_rate(params));
+		if (!rate_map)
+			return -EINVAL;
+
+		regmap_write(cs43130->regmap, CS43130_SP_SRATE, rate_map->val);
+		if ((dop_rate == 176400) && (bitwidth_dai == 24)) {
+			dsd_speed = 0;
+			regmap_update_bits(cs43130->regmap,
+					CS43130_DSD_PATH_CTL_2,
+					CS43130_DSD_SPEED_MASK,
+					dsd_speed << CS43130_DSD_SPEED_SHIFT);
+			regmap_update_bits(cs43130->regmap,
+					CS43130_DSD_PATH_CTL_2,
+					CS43130_DSD_SRC_MASK,
+					CS43130_DSD_SRC_ASP <<
+					CS43130_DSD_SRC_SHIFT);
+			regmap_update_bits(cs43130->regmap,
+					CS43130_DSD_PATH_CTL_2,
+					CS43130_DSD_EN_MASK, 0x01 <<
+					CS43130_DSD_EN_SHIFT);
+		}
+		break;
+	default:
+		dev_err(component->dev, "Invalid DAI (%d)\n", dai->id);
+		return -EINVAL;
+	}
+
+	switch (dai->id) {
+	case CS43130_ASP_DOP_DAI:
+		regmap_update_bits(cs43130->regmap, CS43130_DSD_PATH_CTL_2,
+				CS43130_DSD_SRC_MASK, CS43130_DSD_SRC_ASP <<
+				CS43130_DSD_SRC_SHIFT);
+		regmap_update_bits(cs43130->regmap, CS43130_DSD_PATH_CTL_2,
+				CS43130_DSD_EN_MASK, 0x01 <<
+				CS43130_DSD_EN_SHIFT);
+		break;
+	case CS43130_XSP_DOP_DAI:
+		regmap_update_bits(cs43130->regmap, CS43130_DSD_PATH_CTL_2,
+				CS43130_DSD_SRC_MASK, CS43130_DSD_SRC_XSP <<
+				CS43130_DSD_SRC_SHIFT);
+		break;
+	}
+	if (!sclk && cs43130->dais[dai->id].dai_mode ==
+						SND_SOC_DAIFMT_CBM_CFM) {
+		/* Calculate SCLK in master mode if unassigned */
+		sclk = params_rate(params) * bitwidth_dai *
+				params_channels(params);
+	}
+	if (!sclk) {
+		/* at this point, SCLK must be set */
+		dev_err(component->dev, "SCLK freq is not set\n");
+		return -EINVAL;
+	}
+
+	bitwidth_sclk = (sclk / params_rate(params)) / params_channels(params);
+	if (bitwidth_sclk < bitwidth_dai) {
+		dev_err(component->dev, "Format not supported: SCLK freq is too low\n");
+		return -EINVAL;
+	}
+
+	dev_dbg(component->dev,
+		"sclk = %u, fs = %d, bitwidth_dai = %u\n",
+		sclk, params_rate(params), bitwidth_dai);
+
+	dev_dbg(component->dev,
+		"bitwidth_sclk = %u, num_ch = %u\n",
+		bitwidth_sclk, params_channels(params));
+
+	cs43130_set_bitwidth(dai->id, bitwidth_dai, cs43130->regmap);
+	cs43130_set_sp_fmt(dai->id, bitwidth_sclk, params, cs43130);
+	ret = cs43130_pwr_up_asp_dac(component);
+	return 0;
+}
+
+static int cs43130_hw_free(struct snd_pcm_substream *substream,
+					struct snd_soc_dai *dai)
+{
+	struct snd_soc_component *component = dai->component;
+	struct cs43130_priv *cs43130 =
+				snd_soc_component_get_drvdata(component);
+
+	mutex_lock(&cs43130->clk_mutex);
+	cs43130->clk_req--;
+	if (!cs43130->clk_req) {
+		/* no DAI is currently using clk */
+		cs43130_change_clksrc(component, CS43130_MCLK_SRC_RCO);
+		cs43130_pcm_pdn(component);
+	}
+	mutex_unlock(&cs43130->clk_mutex);
+
+	return 0;
+}
+
+static const unsigned int cs43130_asp_src_rates[] = {
+	32000, 44100, 48000, 88200, 96000, 176400, 192000
+};
+
+static const struct snd_pcm_hw_constraint_list cs43130_asp_constraints = {
+	.count  = ARRAY_SIZE(cs43130_asp_src_rates),
+	.list   = cs43130_asp_src_rates,
+};
+
+static int cs43130_pcm_startup(struct snd_pcm_substream *substream,
+					struct snd_soc_dai *dai)
+{
+	return snd_pcm_hw_constraint_list(substream->runtime, 0,
+					SNDRV_PCM_HW_PARAM_RATE,
+					&cs43130_asp_constraints);
+}
+
+static int cs43130_pcm_set_fmt(struct snd_soc_dai *codec_dai, unsigned int fmt)
+{
+	struct snd_soc_component *component = codec_dai->component;
+	struct cs43130_priv *cs43130 =
+				snd_soc_component_get_drvdata(component);
+
+	switch (fmt & SND_SOC_DAIFMT_MASTER_MASK) {
+	case SND_SOC_DAIFMT_CBS_CFS:
+		cs43130->dais[codec_dai->id].dai_mode = SND_SOC_DAIFMT_CBS_CFS;
+		break;
+	case SND_SOC_DAIFMT_CBM_CFM:
+		cs43130->dais[codec_dai->id].dai_mode = SND_SOC_DAIFMT_CBM_CFM;
+		break;
+	default:
+		dev_err(component->dev, "unsupported mode\n");
+		return -EINVAL;
+	}
+
+	switch (fmt & SND_SOC_DAIFMT_FORMAT_MASK) {
+	case SND_SOC_DAIFMT_I2S:
+		cs43130->dais[codec_dai->id].dai_format = SND_SOC_DAIFMT_I2S;
+		break;
+	case SND_SOC_DAIFMT_LEFT_J:
+		cs43130->dais[codec_dai->id].dai_format = SND_SOC_DAIFMT_LEFT_J;
+		break;
+	default:
+		dev_err(component->dev,
+			"unsupported audio format\n");
+		return -EINVAL;
+	}
+
+	dev_dbg(component->dev, "dai_id = %d,  dai_mode = %u, dai_format = %u\n",
+			codec_dai->id,
+			cs43130->dais[codec_dai->id].dai_mode,
+			cs43130->dais[codec_dai->id].dai_format);
+
+	return 0;
+}
+
+static int cs43130_set_sysclk(struct snd_soc_dai *codec_dai,
+					int clk_id, unsigned int freq, int dir)
+{
+	struct snd_soc_component *component = codec_dai->component;
+	struct cs43130_priv *cs43130 =
+				snd_soc_component_get_drvdata(component);
+
+	cs43130->dais[codec_dai->id].sclk = freq;
+	dev_dbg(component->dev, "dai_id = %d,  sclk = %u\n", codec_dai->id,
+				cs43130->dais[codec_dai->id].sclk);
+
+	return 0;
+}
+
+static int cs43130_component_set_sysclk(struct snd_soc_component *component,
+					int clk_id, int source,
+					unsigned int freq, int dir)
+{
+	struct cs43130_priv *cs43130 =
+				snd_soc_component_get_drvdata(component);
+
+	dev_dbg(component->dev, "clk_id = %d, source = %d, freq = %d, dir = %d\n",
+		clk_id, source, freq, dir);
+
+	switch (freq) {
+	case CS43130_MCLK_22M:
+	case CS43130_MCLK_24M:
+		cs43130->mclk = freq;
+		break;
+	default:
+		dev_err(component->dev, "Invalid MCLK INT freq: %u\n", freq);
+		return -EINVAL;
+	}
+
+	if (source == CS43130_MCLK_SRC_EXT) {
+		cs43130->pll_bypass = true;
+	} else {
+		dev_err(component->dev, "Invalid MCLK source\n");
+		return -EINVAL;
+	}
+
+	return 0;
+}
+static u16 const cs43130_ac_freq[CS43130_AC_FREQ] = {
+	24,
+	43,
+	93,
+	200,
+	431,
+	928,
+	2000,
+	4309,
+	9283,
+	20000,
+};
+static const struct snd_soc_dai_ops cs43130_dai_ops = {
+	.startup        = cs43130_pcm_startup,
+	.hw_params	= cs43130_hw_params,
+	.hw_free        = cs43130_hw_free,
+	.set_sysclk     = cs43130_set_sysclk,
+	.set_fmt        = cs43130_pcm_set_fmt,
+};
+
+static struct snd_soc_dai_driver cs43130_codec_dai = {
+	.name = "allo-cs43130",
+	.playback = {
+		.stream_name = "Playback",
+		.channels_min = 2,
+		.channels_max = 2,
+		.rates = SNDRV_PCM_RATE_CONTINUOUS,
+		.rate_min = 44100,
+		.rate_max = 192000,
+		.formats = SNDRV_PCM_FMTBIT_S16_LE |
+			SNDRV_PCM_FMTBIT_S24_LE |
+			SNDRV_PCM_FMTBIT_S32_LE
+
+	},
+	.ops = &cs43130_dai_ops,
+};
+
+static struct snd_soc_component_driver cs43130_component_driver = {
+	.idle_bias_on           = true,
+	.controls		= cs43130_controls,
+	.num_controls		= ARRAY_SIZE(cs43130_controls),
+	.set_sysclk             = cs43130_component_set_sysclk,
+	.idle_bias_on           = 1,
+	.use_pmdown_time        = 1,
+	.endianness             = 1,
+	.non_legacy_dai_naming  = 1,
+};
+
+static const struct regmap_config cs43130_regmap = {
+	.reg_bits               = 24,
+	.pad_bits               = 8,
+	.val_bits               = 8,
+
+	.max_register           = CS43130_LASTREG,
+	.reg_defaults           = cs43130_reg_defaults,
+	.num_reg_defaults       = ARRAY_SIZE(cs43130_reg_defaults),
+	.readable_reg           = cs43130_readable_register,
+	.precious_reg           = cs43130_precious_register,
+	.volatile_reg           = cs43130_volatile_register,
+	.cache_type             = REGCACHE_RBTREE,
+	/* needed for regcache_sync */
+	.use_single_read        = true,
+	.use_single_write       = true,
+};
+
+static u16 const cs43130_dc_threshold[CS43130_DC_THRESHOLD] = {
+	50,
+	120,
+};
+
+static int cs43130_handle_device_data(struct i2c_client *i2c_client,
+					struct cs43130_priv *cs43130)
+{
+	struct device_node *np = i2c_client->dev.of_node;
+	unsigned int val;
+	int i;
+
+	if (of_property_read_u32(np, "cirrus,xtal-ibias", &val) < 0) {
+	/* Crystal is unused. System clock is used for external MCLK */
+		cs43130->xtal_ibias = CS43130_XTAL_UNUSED;
+		return 0;
+	}
+
+	switch (val) {
+	case 1:
+		cs43130->xtal_ibias = CS43130_XTAL_IBIAS_7_5UA;
+		break;
+	case 2:
+		cs43130->xtal_ibias = CS43130_XTAL_IBIAS_12_5UA;
+		break;
+	case 3:
+		cs43130->xtal_ibias = CS43130_XTAL_IBIAS_15UA;
+		break;
+	default:
+		dev_err(&i2c_client->dev,
+			"Invalid cirrus,xtal-ibias value: %d\n", val);
+		return -EINVAL;
+	}
+
+	cs43130->dc_meas = of_property_read_bool(np, "cirrus,dc-measure");
+	cs43130->ac_meas = of_property_read_bool(np, "cirrus,ac-measure");
+
+	if (of_property_read_u16_array(np, "cirrus,ac-freq", cs43130->ac_freq,
+					CS43130_AC_FREQ) < 0) {
+		for (i = 0; i < CS43130_AC_FREQ; i++)
+			cs43130->ac_freq[i] = cs43130_ac_freq[i];
+	}
+
+	if (of_property_read_u16_array(np, "cirrus,dc-threshold",
+					cs43130->dc_threshold,
+					CS43130_DC_THRESHOLD) < 0) {
+		for (i = 0; i < CS43130_DC_THRESHOLD; i++)
+			cs43130->dc_threshold[i] = cs43130_dc_threshold[i];
+	}
+
+	return 0;
+}
+
+
+static int allo_cs43130_component_probe(struct i2c_client *i2c,
+			     const struct i2c_device_id *id)
+{
+	struct regmap *regmap;
+	struct regmap_config config = cs43130_regmap;
+	struct device *dev = &i2c->dev;
+	struct cs43130_priv *cs43130;
+	unsigned int devid = 0;
+	unsigned int reg;
+	int ret;
+
+	regmap = devm_regmap_init_i2c(i2c, &config);
+	if (IS_ERR(regmap))
+		return PTR_ERR(regmap);
+
+	cs43130 = devm_kzalloc(dev, sizeof(struct cs43130_priv),
+					GFP_KERNEL);
+	if (!cs43130)
+		return -ENOMEM;
+
+	dev_set_drvdata(dev, cs43130);
+	cs43130->regmap = regmap;
+
+	if (i2c->dev.of_node) {
+		ret = cs43130_handle_device_data(i2c, cs43130);
+		if (ret != 0)
+			return ret;
+	}
+	usleep_range(2000, 2050);
+
+	ret = regmap_read(cs43130->regmap, CS43130_DEVID_AB, &reg);
+	devid = (reg & 0xFF) << 12;
+	ret = regmap_read(cs43130->regmap, CS43130_DEVID_CD, &reg);
+	devid |= (reg & 0xFF) << 4;
+	ret = regmap_read(cs43130->regmap, CS43130_DEVID_E, &reg);
+	devid |= (reg & 0xF0) >> 4;
+	if (devid != CS43198_CHIP_ID) {
+		dev_err(dev, "Failed to read Chip or wrong Chip id: %d\n", ret);
+		return ret;
+	}
+
+	cs43130->mclk_int_src = CS43130_MCLK_SRC_RCO;
+	msleep(20);
+
+	ret = snd_soc_register_component(dev, &cs43130_component_driver,
+				    &cs43130_codec_dai, 1);
+	if (ret != 0) {
+		dev_err(dev, "failed to register codec: %d\n", ret);
+		return ret;
+	}
+	regmap_update_bits(cs43130->regmap, CS43130_PAD_INT_CFG,
+			CS43130_ASP_3ST_MASK, 0);
+	regmap_update_bits(cs43130->regmap, CS43130_PAD_INT_CFG,
+			CS43130_XSP_3ST_MASK, 1);
+	regmap_update_bits(cs43130->regmap, CS43130_PWDN_CTL,
+			CS43130_PDN_HP_MASK, 1 << CS43130_PDN_HP_SHIFT);
+	msleep(20);
+	regmap_write(cs43130->regmap, CS43130_CLASS_H_CTL, 0x06);
+	snd_allo_clk44gpio = devm_gpiod_get(dev, "clock44", GPIOD_OUT_HIGH);
+	if (IS_ERR(snd_allo_clk44gpio))
+		dev_err(dev, "devm_gpiod_get() failed\n");
+
+	snd_allo_clk48gpio = devm_gpiod_get(dev, "clock48", GPIOD_OUT_LOW);
+	if (IS_ERR(snd_allo_clk48gpio))
+		dev_err(dev, "devm_gpiod_get() failed\n");
+
+	return 0;
+}
+
+static int allo_cs43130_component_remove(struct i2c_client *i2c)
+{
+	snd_soc_unregister_component(&i2c->dev);
+	return 0;
+}
+
+static const struct i2c_device_id allo_cs43130_component_id[] = {
+	{ "allo-cs43198", },
+	{ }
+};
+MODULE_DEVICE_TABLE(i2c, allo_cs43130_component_id);
+
+static const struct of_device_id allo_cs43130_codec_of_match[] = {
+	{ .compatible = "allo,allo-cs43198", },
+	{ }
+};
+MODULE_DEVICE_TABLE(of, allo_cs43130_codec_of_match);
+
+static struct i2c_driver allo_cs43130_component_driver = {
+	.probe		= allo_cs43130_component_probe,
+	.remove		= allo_cs43130_component_remove,
+	.id_table	= allo_cs43130_component_id,
+	.driver		= {
+	.name		= "allo-cs43198",
+	.of_match_table = allo_cs43130_codec_of_match,
+	},
+};
+
+module_i2c_driver(allo_cs43130_component_driver);
+
+MODULE_DESCRIPTION("ASoC Allo Boss2 Codec Driver");
+MODULE_AUTHOR("Sudeepkumar <sudeepkumar@cem-solutions.net>");
+MODULE_LICENSE("GPL v2");
