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From:   Kevin Lu <luminlong@139.com>
To:     broonie@kernel.org, lgirdwood@gmail.com, perex@perex.cz,
        tiwai@suse.com
Cc:     kevin-lu@ti.com, shenghao-ding@ti.com, alsa-devel@alsa-project.org,
        linux-kernel@vger.kernel.org, Kevin Lu <luminlong@139.com>
Subject: [PATCH v1] ASoC: tas2505: Add tas2505 driver
Date:   Wed, 12 Jul 2023 12:43:21 +0800
Message-Id: <20230712044321.48530-1-luminlong@139.com>
MIME-Version: 1.0
Content-Transfer-Encoding: 8bit
Precedence: bulk

Create tas2505 driver.

Signed-off-by: Kevin Lu <luminlong@139.com>
---
 sound/soc/codecs/Kconfig   |   5 +
 sound/soc/codecs/Makefile  |   2 +
 sound/soc/codecs/tas2505.c | 691 +++++++++++++++++++++++++++++++++++++
 sound/soc/codecs/tas2505.h | 105 ++++++
 4 files changed, 803 insertions(+)
 create mode 100644 sound/soc/codecs/tas2505.c
 create mode 100644 sound/soc/codecs/tas2505.h

diff --git a/sound/soc/codecs/Kconfig b/sound/soc/codecs/Kconfig
index 8020097..2527a9b 100644
--- a/sound/soc/codecs/Kconfig
+++ b/sound/soc/codecs/Kconfig
@@ -229,6 +229,7 @@ config SND_SOC_ALL_CODECS
 	imply SND_SOC_STA529
 	imply SND_SOC_STAC9766
 	imply SND_SOC_STI_SAS
+	imply SND_SOC_TAS2505
 	imply SND_SOC_TAS2552
 	imply SND_SOC_TAS2562
 	imply SND_SOC_TAS2764
@@ -1676,6 +1677,10 @@ config SND_SOC_STAC9766
 config SND_SOC_STI_SAS
 	tristate "codec Audio support for STI SAS codec"
 
+config SND_SOC_TAS2505
+	tristate "Texas Instruments TAS2505 Mono Audio amplifier"
+	depends on I2C
+
 config SND_SOC_TAS2552
 	tristate "Texas Instruments TAS2552 Mono Audio amplifier"
 	depends on I2C
diff --git a/sound/soc/codecs/Makefile b/sound/soc/codecs/Makefile
index 5cdbae8..95717d6 100644
--- a/sound/soc/codecs/Makefile
+++ b/sound/soc/codecs/Makefile
@@ -365,6 +365,7 @@ snd-soc-max9877-objs := max9877.o
 snd-soc-max98504-objs := max98504.o
 snd-soc-simple-amplifier-objs := simple-amplifier.o
 snd-soc-tpa6130a2-objs := tpa6130a2.o
+snd-soc-tas2505-objs := tas2505.o
 snd-soc-tas2552-objs := tas2552.o
 snd-soc-tas2562-objs := tas2562.o
 snd-soc-tas2764-objs := tas2764.o
@@ -629,6 +630,7 @@ obj-$(CONFIG_SND_SOC_STA350)   += snd-soc-sta350.o
 obj-$(CONFIG_SND_SOC_STA529)   += snd-soc-sta529.o
 obj-$(CONFIG_SND_SOC_STAC9766)	+= snd-soc-stac9766.o
 obj-$(CONFIG_SND_SOC_STI_SAS)	+= snd-soc-sti-sas.o
+obj-$(CONFIG_SND_SOC_TAS2505)	+= snd-soc-tas2505.o
 obj-$(CONFIG_SND_SOC_TAS2552)	+= snd-soc-tas2552.o
 obj-$(CONFIG_SND_SOC_TAS2562)	+= snd-soc-tas2562.o
 obj-$(CONFIG_SND_SOC_TAS2764)	+= snd-soc-tas2764.o
diff --git a/sound/soc/codecs/tas2505.c b/sound/soc/codecs/tas2505.c
new file mode 100644
index 0000000..cf03859
--- /dev/null
+++ b/sound/soc/codecs/tas2505.c
@@ -0,0 +1,691 @@
+// SPDX-License-Identifier: GPL-2.0
+/*
+ * ALSA SoC TAS2505 codec driver
+ *
+ * Author: Hieu Tran Dang <dangtranhieu2012@gmail.com>
+ *
+ * This package 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 PACKAGE IS PROVIDED AS IS AND WITHOUT ANY EXPRESS OR
+ * IMPLIED WARRANTIES, INCLUDING, WITHOUT LIMITATION, THE IMPLIED
+ * WARRANTIES OF MERCHANTIBILITY AND FITNESS FOR A PARTICULAR PURPOSE.
+ */
+#include <linux/version.h>
+#include <linux/module.h>
+#include <linux/i2c.h>
+#include <linux/clk.h>
+#include <linux/of.h>
+#include <linux/of_gpio.h>
+#include <sound/soc.h>
+#include <sound/tlv.h>
+#include <sound/pcm_params.h>
+#include "tas2505.h"
+
+enum {
+	MCLK = 0,
+	BCLK = 1,
+};
+
+struct tas2505 {
+	int dac_vol;
+	int spk_vol1;
+} tas2505_vol;
+
+
+static int tas2505_dac_getvol(struct snd_kcontrol *kcontrol,
+	struct snd_ctl_elem_value *ucontrol)
+{
+	ucontrol->value.integer.value[0] = tas2505_vol.dac_vol;
+
+	return 0;
+}
+
+static int tas2505_dac_putvol(struct snd_kcontrol *kcontrol,
+	struct snd_ctl_elem_value *ucontrol)
+{
+	struct snd_soc_component *component =
+		snd_soc_kcontrol_component(kcontrol);
+	struct soc_mixer_control *mc =
+		(struct soc_mixer_control *)kcontrol->private_value;
+	u8 val;
+
+	val = ucontrol->value.integer.value[0];
+	val = mc->invert ? mc->max - val : val;
+	val = (val < 0) ? 0 : val;
+	tas2505_vol.dac_vol = val;
+	snd_soc_component_write(component, TAS2505_DACVOL, val);
+
+	return 0;
+}
+
+static int tas2505_spkdrv_getvol(struct snd_kcontrol *kcontrol,
+	struct snd_ctl_elem_value *ucontrol)
+{
+	struct snd_soc_component *component =
+		snd_soc_kcontrol_component(kcontrol);
+	struct soc_mixer_control *mc =
+		(struct soc_mixer_control *)kcontrol->private_value;
+	unsigned int val;
+
+	val = snd_soc_component_read(component, TAS2505_SPKVOL1);
+
+	val = (val > mc->max) ? mc->max : val;
+	val = mc->invert ? mc->max - val : val;
+	ucontrol->value.integer.value[0] = val;
+	tas2505_vol.spk_vol1 = val;
+	return 0;
+}
+
+static int tas2505_spkdrv_putvol(struct snd_kcontrol *kcontrol,
+	struct snd_ctl_elem_value *ucontrol)
+{
+	struct snd_soc_component *component =
+		snd_soc_kcontrol_component(kcontrol);
+	struct soc_mixer_control *mc =
+		(struct soc_mixer_control *)kcontrol->private_value;
+	u8 val;
+
+	val = (ucontrol->value.integer.value[0] & 0x7f);
+	val = mc->invert ? mc->max - val : val;
+	val = (val < 0) ? 0 : val;
+	tas2505_vol.spk_vol1 = val;
+	snd_soc_component_write(component, TAS2505_SPKVOL1, val);
+
+	return 0;
+}
+
+static const DECLARE_TLV_DB_SCALE(dac_vol_tlv, -6350, 50, 0);
+static const DECLARE_TLV_DB_LINEAR(spk_drv_vol_tlv, TLV_DB_GAIN_MUTE, 0);
+static const DECLARE_TLV_DB_SCALE(spk_amp_vol_tlv, 0, 600, 1);
+
+static const struct snd_kcontrol_new tas2505_snd_controls[] = {
+	SOC_SINGLE_RANGE_EXT_TLV("DAC Playback Volume", TAS2505_DACVOL,
+		0, 48, 0x81, 1,
+		tas2505_dac_getvol, tas2505_dac_putvol, dac_vol_tlv),
+	SOC_SINGLE_RANGE_EXT_TLV("Speaker Driver Volume", TAS2505_SPKVOL1,
+		0, 0, 117, 1,
+		tas2505_spkdrv_getvol, tas2505_spkdrv_putvol, spk_drv_vol_tlv),
+	SOC_SINGLE_TLV("Speaker Amplifier Volume", TAS2505_SPKVOL2,
+		4, 5, 0, spk_amp_vol_tlv),
+};
+
+static const struct snd_soc_dapm_widget tas2505_dapm_widgets[] = {
+	SND_SOC_DAPM_DAC("DAC Channel", "Playback",
+		TAS2505_DACSETUP1, 7, 0),
+	SND_SOC_DAPM_OUT_DRV("Speaker Driver", TAS2505_SPKAMPCTRL1,
+		1, 0, NULL, 0),
+	SND_SOC_DAPM_OUTPUT("Speaker"),
+};
+
+static const struct snd_soc_dapm_route tas2505_audio_map[] = {
+	{ "Speaker Driver", NULL, "DAC Channel" },
+	{ "Speaker", NULL, "Speaker Driver" },
+};
+
+static const struct reg_default tas2505_reg_defaults[] = {
+	{ TAS2505_CLKMUX, 0x00 },
+	{ TAS2505_PLLPR, 0x11 },
+	{ TAS2505_PLLJ, 0x04 },
+	{ TAS2505_PLLDMSB, 0x00 },
+	{ TAS2505_PLLDLSB, 0x00 },
+	{ TAS2505_NDAC, 0x01 },
+	{ TAS2505_MDAC, 0x01 },
+	{ TAS2505_DOSRMSB, 0x00 },
+	{ TAS2505_DOSRLSB, 0x80 },
+	{ TAS2505_IFACE1, 0x00 },
+	{ TAS2505_IFACE3, 0x00 },
+	{ TAS2505_DACSETUP1, 0x14 },
+	{ TAS2505_DACSETUP2, 0x0c },
+	{ TAS2505_DACVOL, 0x00 },
+	{ TAS2505_REF_POR_LDO_BGAP_CTRL, 0x00 },
+	{ TAS2505_LDO_CTRL, 0x0c },
+	{ TAS2505_SPKAMPCTRL1, 0x00 },
+	{ TAS2505_SPKVOL1, 0x00 },
+	{ TAS2505_SPKVOL2, 0x50 },
+	{ TAS2505_DACFLAG1, 0x00 },
+	{ TAS2505_DACFLAG2, 0x00 },
+	{ TAS2505_STICKYFLAG1, 0x00 },
+	{ TAS2505_STICKYFLAG2, 0x00 },
+	{ TAS2505_INTFLAG1, 0x00 },
+	{ TAS2505_INTFLAG2, 0x00 },
+	{ TAS2505_DACINSTRSET, 0x02 },
+	{ TAS2505_DACANLGAINFLAG, 0x00 },
+};
+
+static bool tas2505_volatile(struct device *dev, unsigned int reg)
+{
+	switch (reg) {
+	case TAS2505_PAGECTL:
+	case TAS2505_RESET:
+	case TAS2505_DACFLAG1:
+	case TAS2505_DACFLAG2:
+	case TAS2505_STICKYFLAG1:
+	case TAS2505_STICKYFLAG2:
+	case TAS2505_INTFLAG1:
+	case TAS2505_INTFLAG2:
+	case TAS2505_DACANLGAINFLAG:
+		return true;
+	}
+	return false;
+}
+
+static bool tas2505_writeable(struct device *dev, unsigned int reg)
+{
+	switch (reg) {
+	case TAS2505_DACFLAG1:
+	case TAS2505_DACFLAG2:
+	case TAS2505_STICKYFLAG1:
+	case TAS2505_STICKYFLAG2:
+	case TAS2505_INTFLAG1:
+	case TAS2505_INTFLAG2:
+	case TAS2505_DACANLGAINFLAG:
+		return false;
+	}
+	return true;
+}
+
+static const struct regmap_range_cfg tas2505_ranges[] = {
+	{
+		.range_min = 0,
+		.range_max = 69 * 128,
+		.selector_reg = TAS2505_PAGECTL,
+		.selector_mask = 0xff,
+		.selector_shift = 0,
+		.window_start = 0,
+		.window_len = 128,
+	},
+};
+
+static const struct regmap_config tas2505_i2c_regmap = {
+	.reg_bits = 8,
+	.val_bits = 8,
+	.writeable_reg = tas2505_writeable,
+	.volatile_reg = tas2505_volatile,
+	.reg_defaults = tas2505_reg_defaults,
+	.num_reg_defaults = ARRAY_SIZE(tas2505_reg_defaults),
+	.cache_type = REGCACHE_RBTREE,
+	.ranges = tas2505_ranges,
+	.num_ranges = ARRAY_SIZE(tas2505_ranges),
+	.max_register = 69 * 128,
+};
+
+struct tas2505_rate_divs {
+	u32 mclk_p;
+	u32 rate;
+	u8 pll_r;
+	u8 pll_j;
+	u16 pll_d;
+	u8 mdac;
+	u8 ndac;
+	u16 dosr;
+};
+
+static const struct tas2505_rate_divs tas2505_divs_mclksrc[] = {
+	{ 12288000, 44100, 1, 7, 35, 4, 4, 128 },
+	{ 12288000, 48000, 1, 7, 0, 7, 2, 128 },
+	{ 2822400, 44100, 1, 8, 4672, 3, 5, 128 },
+	{ 11289600, 44100, 1, 8, 0, 4, 8, 64 },
+	{ 11289600, 22050, 1, 8, 0, 4, 8, 128 },
+	{ 2822400, 44100, 1, 8, 4672, 3, 5, 128 },
+	{ 2822400, 22050, 1, 8, 4672, 3, 5, 256 },
+};
+
+static const struct tas2505_rate_divs tas2505_divs_bclksrc[] = {
+	{ 1536000, 48000, 1, 56, 0, 2, 7, 128 },
+	{ 1411200, 44100, 1, 60, 0, 5, 3, 128 },
+	{ 3072000, 48000, 1, 28, 0, 2, 7, 128 },
+	{ 2822400, 44100, 1, 30, 0, 5, 3, 128 },
+	{ 1024000, 32000, 2, 40, 0, 5, 4, 128 },
+	{ 2048000, 32000, 1, 40, 0, 5, 4, 128 },
+};
+
+struct tas2505_priv {
+	void *codec;
+	struct device *dev;
+	struct regmap *regmap;
+	u32 sysclk;
+	u32 clk_src;
+	u32 rate;
+	int rate_div_line;
+	int pll_clkin;
+	int frame_size;
+	u8 p_div;
+};
+
+static int tas2505_setup_pll(struct snd_soc_component *codec)
+{
+	struct tas2505_priv *tas2505 = snd_soc_component_get_drvdata(codec);
+	int mclk_p = tas2505->sysclk / tas2505->p_div;
+	struct tas2505_rate_divs *rate_divs;
+	int match = -1;
+	u8 p_div;
+	int i;
+
+	if (tas2505->clk_src == MCLK) {
+		for (i = 0; i < ARRAY_SIZE(tas2505_divs_mclksrc); i++) {
+			if (
+				tas2505_divs_mclksrc[i].rate == tas2505->rate &&
+				tas2505_divs_mclksrc[i].mclk_p == mclk_p
+			) {
+				match = i;
+				break;
+			}
+		}
+
+		if (match == -1) {
+			dev_err(codec->dev,
+				"Sample rate (%u) and format not supported\n",
+				tas2505->rate);
+			return -EINVAL;
+		}
+
+		tas2505->rate_div_line = match;
+		rate_divs = (struct tas2505_rate_divs *)tas2505_divs_mclksrc;
+	} else {
+		for (i = 0; i < ARRAY_SIZE(tas2505_divs_bclksrc); i++) {
+			if (tas2505_divs_bclksrc[i].rate ==
+				tas2505->rate) {
+				match = i;
+				break;
+			}
+		}
+
+		if (match == -1) {
+			dev_err(codec->dev,
+				"Sample rate (%u) and format not supported\n",
+				tas2505->rate);
+			return -EINVAL;
+		}
+		rate_divs = (struct tas2505_rate_divs *)tas2505_divs_bclksrc;
+	}
+
+	p_div = (tas2505->p_div == 8) ? 0 : tas2505->p_div;
+	p_div <<= TAS2505_PLLPR_P_SHIFT;
+	p_div |= rate_divs[match].pll_r;
+	p_div |= TAS2505_PM_MASK;
+
+	snd_soc_component_write(codec, TAS2505_PLLPR, p_div);
+	snd_soc_component_write(codec, TAS2505_PLLJ,
+		rate_divs[match].pll_j);
+	snd_soc_component_write(codec, TAS2505_PLLDMSB,
+		rate_divs[match].pll_d >> 8);
+	snd_soc_component_write(codec, TAS2505_PLLDLSB,
+		rate_divs[match].pll_d & 0xff);
+	mdelay(15);
+	snd_soc_component_write(codec, TAS2505_NDAC,
+		TAS2505_PM_MASK | rate_divs[match].ndac);
+	snd_soc_component_write(codec, TAS2505_MDAC,
+		TAS2505_PM_MASK | rate_divs[match].mdac);
+	snd_soc_component_write(codec, TAS2505_DOSRMSB,
+		rate_divs[match].dosr >> 8);
+	snd_soc_component_write(codec, TAS2505_DOSRLSB,
+		rate_divs[match].dosr & 0xff);
+	if (tas2505->clk_src != MCLK)
+		snd_soc_component_update_bits(codec, TAS2505_BCLKNDIV,
+			TAS2505_BCLKNDIV_MASK,
+			(rate_divs[match].dosr * rate_divs[match].mdac) /
+			tas2505->frame_size);
+
+	return 0;
+}
+
+static int tas2505_hw_params(struct snd_pcm_substream *substream,
+	struct snd_pcm_hw_params *params, struct snd_soc_dai *dai)
+{
+	struct snd_soc_component *codec = dai->component;
+	struct tas2505_priv *tas2505 = snd_soc_component_get_drvdata(codec);
+	u8 data = 0;
+
+	switch (params_width(params)) {
+	case 16:
+		break;
+
+	case 20:
+		data = TAS2505_WORD_LEN_20BITS;
+		break;
+
+	case 24:
+		data = TAS2505_WORD_LEN_24BITS;
+		break;
+
+	case 32:
+		data = TAS2505_WORD_LEN_32BITS;
+		break;
+
+	default:
+		dev_err(codec->dev, "Unsupported width %d\n",
+			params_width(params));
+		return -EINVAL;
+	}
+	dev_info(codec->dev, "%s: bit width = %d\n",
+				__func__, params_width(params));
+	data <<= TAS2505_IFACE1_DATALEN_SHIFT;
+
+	snd_soc_component_update_bits(codec, TAS2505_IFACE1,
+		TAS2505_IFACE1_DATALEN_MASK, data);
+	tas2505->rate = params_rate(params);
+	tas2505->frame_size = snd_soc_params_to_frame_size(params);
+
+	return tas2505_setup_pll(codec);
+}
+
+static int tas2505_dac_mute(struct snd_soc_dai *dai, int mute,
+	int stream)
+{
+	struct snd_soc_component *codec = dai->component;
+
+	if (mute) {
+		snd_soc_component_write(codec, TAS2505_DACVOL, 0x81);
+		snd_soc_component_update_bits(codec, TAS2505_DACSETUP2,
+			TAS2505_DACSETUP2_MUTE_MASK,
+			TAS2505_DACSETUP2_MUTE_MASK);
+		mdelay(25);
+		snd_soc_component_update_bits(codec, TAS2505_DACSETUP1, 0x80, 0x00);
+	} else {
+		snd_soc_component_update_bits(codec, TAS2505_DACSETUP1, 0x80, 0x80);
+		mdelay(25);
+		snd_soc_component_write(codec, TAS2505_DACVOL, tas2505_vol.dac_vol);
+		snd_soc_component_update_bits(codec, TAS2505_DACSETUP2,
+			TAS2505_DACSETUP2_MUTE_MASK, 0x0);
+	}
+
+	return 0;
+}
+
+static int tas2505_set_dai_fmt(struct snd_soc_dai *codec_dai,
+	unsigned int fmt)
+{
+	struct snd_soc_component *codec = codec_dai->component;
+	u8 iface_reg1 = 0;
+	u8 iface_reg3 = 0;
+
+	switch (fmt & SND_SOC_DAIFMT_MASTER_MASK) {
+	case SND_SOC_DAIFMT_CBS_CFS:
+		break;
+
+	case SND_SOC_DAIFMT_CBM_CFM:
+		iface_reg1 |= TAS2505_IFACE1_BCLKDIR_MASK;
+		iface_reg1 |= TAS2505_IFACE1_WCLKDIR_MASK;
+		break;
+
+	default:
+		dev_err(codec->dev,
+			"%s SND_SOC_DAIFMT_MASTER_MASK 0x%x\n",
+			__func__, fmt);
+		return -EINVAL;
+	}
+
+	switch (fmt & SND_SOC_DAIFMT_INV_MASK) {
+	case SND_SOC_DAIFMT_NB_NF:
+		break;
+
+	case SND_SOC_DAIFMT_IB_NF:
+		iface_reg3 |= TAS2505_IFACE3_BCLKINV_MASK;
+		break;
+
+	default:
+		dev_err(codec->dev,
+			"%s SND_SOC_DAIFMT_INV_MASK 0x%x\n",
+			__func__, fmt);
+		return -EINVAL;
+	}
+
+	switch (fmt & SND_SOC_DAIFMT_FORMAT_MASK) {
+	case SND_SOC_DAIFMT_I2S:
+		break;
+
+	case SND_SOC_DAIFMT_DSP_A:
+	case SND_SOC_DAIFMT_DSP_B:
+		iface_reg1 |= (TAS2505_DSP_MODE <<
+			TAS2505_IFACE1_INTERFACE_SHIFT);
+		break;
+
+	case SND_SOC_DAIFMT_RIGHT_J:
+		iface_reg1 |= (TAS2505_RJF_MODE <<
+			TAS2505_IFACE1_INTERFACE_SHIFT);
+		break;
+
+	case SND_SOC_DAIFMT_LEFT_J:
+		iface_reg1 |= (TAS2505_LJF_MODE <<
+			TAS2505_IFACE1_INTERFACE_SHIFT);
+		break;
+
+	default:
+		dev_err(codec->dev, "Invalid DAI interface format\n");
+		return -EINVAL;
+	}
+
+	snd_soc_component_write(codec, TAS2505_IFACE1, iface_reg1);
+	snd_soc_component_update_bits(codec, TAS2505_IFACE3,
+		TAS2505_IFACE3_BCLKINV_MASK | TAS2505_IFACE3_BDIVCLKIN_MASK,
+		iface_reg3);
+
+	return 0;
+}
+
+static int tas2505_set_dai_sysclk(struct snd_soc_dai *codec_dai,
+	int clk_id, unsigned int freq, int dir)
+{
+	struct snd_soc_component *codec = codec_dai->component;
+	struct tas2505_priv *tas2505 = snd_soc_component_get_drvdata(codec);
+	int i, x;
+	int ret = 0;
+
+	dev_info(tas2505->dev, "%s: clk_id: %d, freq: %d\n",
+		__func__, clk_id, freq);
+
+	if (tas2505->clk_src == MCLK) {
+		for (i = 0; i < ARRAY_SIZE(tas2505_divs_mclksrc); i++) {
+			for (x = 1; x < 9; x++) {
+				if ((freq / x) == tas2505_divs_mclksrc[i].mclk_p) {
+					tas2505->p_div = x;
+					break;
+				}
+			}
+			if (x < 9)
+				break;
+		}
+
+		if (i != ARRAY_SIZE(tas2505_divs_mclksrc)) {
+		} else {
+			dev_err(tas2505->dev,
+				"Can't produce required PLL_CLKIN frequency\n");
+			ret = -EINVAL;
+		}
+		tas2505->pll_clkin = clk_id;
+	} else {
+		tas2505->pll_clkin = 1;
+		tas2505->p_div = 1;
+	}
+
+	if (!ret) {
+		snd_soc_component_write(codec, TAS2505_CLKMUX,
+			(tas2505->pll_clkin << TAS2505_PLL_CLKIN_SHIFT) |
+			TAS2505_CODEC_CLKIN_PLL);
+
+		tas2505->sysclk = freq;
+	}
+	return ret;
+
+}
+
+static void tas2505_power_on(struct snd_soc_component *codec)
+{
+	snd_soc_component_update_bits(codec, TAS2505_LDO_CTRL,
+		TAS2505_LDO_PLL_HP_LVL_MASK, 0);
+	snd_soc_component_update_bits(codec, TAS2505_REF_POR_LDO_BGAP_CTRL,
+		TAS2505_REF_POR_LDO_BGAP_MASTER_REF_MASK,
+		TAS2505_REF_POR_LDO_BGAP_MASTER_REF_MASK);
+}
+
+static void tas2505_power_off(struct snd_soc_component *codec)
+{
+	snd_soc_component_update_bits(codec, TAS2505_REF_POR_LDO_BGAP_CTRL,
+		TAS2505_REF_POR_LDO_BGAP_MASTER_REF_MASK, 0);
+	snd_soc_component_update_bits(codec, TAS2505_LDO_CTRL,
+		TAS2505_LDO_PLL_HP_LVL_MASK,
+		TAS2505_LDO_PLL_HP_LVL_MASK);
+}
+
+static int tas2505_set_bias_level(struct snd_soc_component *codec,
+	enum snd_soc_bias_level level)
+{
+	int current_lvl = snd_soc_component_get_bias_level(codec);
+	int rc = 0;
+
+	switch (level) {
+	case SND_SOC_BIAS_ON:
+		break;
+	case SND_SOC_BIAS_PREPARE:
+		break;
+	case SND_SOC_BIAS_STANDBY:
+		if (current_lvl == SND_SOC_BIAS_OFF) {
+			tas2505_power_on(codec);
+			dev_info(codec->dev,
+				"%s:power on\n", __func__);
+		} else
+			dev_info(codec->dev,
+				"%s:SND_SOC_BIAS_STANDBY\n",
+				__func__);
+		break;
+	case SND_SOC_BIAS_OFF:
+		if (current_lvl == SND_SOC_BIAS_STANDBY) {
+			tas2505_power_off(codec);
+			dev_info(codec->dev,
+				"%s:power off\n",
+				__func__);
+		} else
+			dev_info(codec->dev,
+				"%s:SND_SOC_BIAS_OFF\n",
+				__func__);
+		break;
+	default:
+		dev_err(codec->dev, "Invalid bias level\n");
+		rc = -EINVAL;
+	}
+
+	return rc;
+}
+
+static int tas2505_codec_probe(struct snd_soc_component *codec)
+{
+	struct tas2505_priv *tas2505 = snd_soc_component_get_drvdata(codec);
+
+	tas2505->codec = codec;
+	tas2505_vol.dac_vol = 0x00;
+	tas2505_vol.spk_vol1 = 0x00;
+
+	snd_soc_component_write(codec, TAS2505_RESET, 1);
+
+	return 0;
+}
+
+static const struct snd_soc_component_driver soc_codec_driver_tas2505 = {
+	.probe			= tas2505_codec_probe,
+	.set_bias_level		= tas2505_set_bias_level,
+	.suspend_bias_off	= true,
+
+	.controls		= tas2505_snd_controls,
+	.num_controls		= ARRAY_SIZE(tas2505_snd_controls),
+	.dapm_widgets		= tas2505_dapm_widgets,
+	.num_dapm_widgets	= ARRAY_SIZE(tas2505_dapm_widgets),
+	.dapm_routes		= tas2505_audio_map,
+	.num_dapm_routes	= ARRAY_SIZE(tas2505_audio_map),
+};
+
+static const struct snd_soc_dai_ops tas2505_dai_ops = {
+	.hw_params	= tas2505_hw_params,
+	.set_sysclk	= tas2505_set_dai_sysclk,
+	.set_fmt	= tas2505_set_dai_fmt,
+	.mute_stream	= tas2505_dac_mute,
+};
+
+static struct snd_soc_dai_driver tas2505_dai_driver[] = {
+	{
+		.name = "tas2505-hifi",
+		.playback = {
+			.stream_name	= "Playback",
+			.channels_min	= 1,
+			.channels_max	= 2,
+			.rates		= TAS2505_RATES,
+			.formats	= TAS2505_FORMATS,
+		},
+		.ops = &tas2505_dai_ops,
+		.symmetric_rate = 1,
+	},
+};
+
+static int tas2505_i2c_probe(struct i2c_client *i2c)
+{
+	struct tas2505_priv *tas2505;
+	struct device_node *np = i2c->dev.of_node;
+	const struct regmap_config *regmap_config = &tas2505_i2c_regmap;
+	int ret;
+
+	tas2505 = devm_kzalloc(&i2c->dev, sizeof(*tas2505), GFP_KERNEL);
+	if (tas2505 == NULL)
+		return -ENOMEM;
+
+	tas2505->regmap = devm_regmap_init_i2c(i2c, regmap_config);
+	if (IS_ERR(tas2505->regmap)) {
+		ret = PTR_ERR(tas2505->regmap);
+		dev_err(&i2c->dev, "Failed to allocate register map: %d\n",
+			ret);
+		return ret;
+	}
+
+	ret = of_get_named_gpio(np, "gpio-reset", 0);
+	if ((ret > 0) && gpio_is_valid(ret)) {
+		devm_gpio_request_one(&i2c->dev, ret, GPIOF_OUT_INIT_HIGH,
+			"reset");
+	}
+
+	ret = of_property_read_u32(np, "clock-source",
+			&tas2505->clk_src);
+
+	dev_info(&i2c->dev, "%s: clock-source = %s\n", __func__,
+		tas2505->clk_src?"BCLK":"MCLK");
+
+	tas2505->dev = &i2c->dev;
+
+	dev_set_drvdata(tas2505->dev, tas2505);
+
+	return snd_soc_register_component(&i2c->dev,
+		&soc_codec_driver_tas2505, tas2505_dai_driver,
+		ARRAY_SIZE(tas2505_dai_driver));
+}
+
+static void tas2505_i2c_remove(struct i2c_client *i2c)
+{
+	snd_soc_unregister_component(&i2c->dev);
+}
+
+static const struct of_device_id tas2505_of_match[] = {
+	{ .compatible = "ti,tas2505" },
+	{},
+};
+MODULE_DEVICE_TABLE(of, tas2505_of_match);
+
+static const struct i2c_device_id tas2505_i2c_id[] = {
+	{ "tas2505", 0 },
+	{}
+};
+MODULE_DEVICE_TABLE(i2ic, tas2505_i2c_id);
+
+static struct i2c_driver tas2505_i2c_driver = {
+	.driver = {
+		.name		= "tas2505-codec",
+		.of_match_table	= of_match_ptr(tas2505_of_match),
+	},
+	.probe		= tas2505_i2c_probe,
+	.remove		= tas2505_i2c_remove,
+	.id_table	= tas2505_i2c_id,
+};
+
+module_i2c_driver(tas2505_i2c_driver);
+
+MODULE_DESCRIPTION("ASoC TAS2505 codec driver");
+MODULE_AUTHOR("Hieu Tran Dang <dangtranhieu2012@gmail.com>");
+MODULE_LICENSE("GPL");
diff --git a/sound/soc/codecs/tas2505.h b/sound/soc/codecs/tas2505.h
new file mode 100644
index 0000000..79c3f84
--- /dev/null
+++ b/sound/soc/codecs/tas2505.h
@@ -0,0 +1,105 @@
+/* SPDX-License-Identifier: GPL-2.0-only */
+/*
+ * ALSA SoC TAS2505 codec driver
+ *
+ * Author: Hieu Tran Dang <dangtranhieu2012@gmail.com>
+ *
+ * This package 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 PACKAGE IS PROVIDED AS IS AND WITHOUT ANY EXPRESS OR
+ * IMPLIED WARRANTIES, INCLUDING, WITHOUT LIMITATION, THE IMPLIED
+ * WARRANTIES OF MERCHANTIBILITY AND FITNESS FOR A PARTICULAR PURPOSE.
+ */
+
+#ifndef _TAS2505_H
+#define _TAS2505_H
+
+#define TAS2505_RATES	(SNDRV_PCM_RATE_8000_96000)
+#define TAS2505_FORMATS (SNDRV_PCM_FMTBIT_S16_LE | \
+	SNDRV_PCM_FMTBIT_S24_LE | \
+	SNDRV_PCM_FMTBIT_S32_LE)
+
+#define TAS2505_REG(page, reg)	((page * 128) + reg)
+
+#define TAS2505_PAGECTL			TAS2505_REG(0, 0)
+#define TAS2505_RESET			TAS2505_REG(0, 1)
+#define TAS2505_CLKMUX			TAS2505_REG(0, 4)
+#define TAS2505_PLLPR			TAS2505_REG(0, 5)
+#define TAS2505_PLLJ			TAS2505_REG(0, 6)
+#define TAS2505_PLLDMSB			TAS2505_REG(0, 7)
+#define TAS2505_PLLDLSB			TAS2505_REG(0, 8)
+#define TAS2505_NDAC			TAS2505_REG(0, 11)
+#define TAS2505_MDAC			TAS2505_REG(0, 12)
+#define TAS2505_DOSRMSB			TAS2505_REG(0, 13)
+#define TAS2505_DOSRLSB			TAS2505_REG(0, 14)
+#define TAS2505_IFACE1			TAS2505_REG(0, 27)
+#define TAS2505_IFACE3			TAS2505_REG(0, 29)
+#define TAS2505_BCLKNDIV		TAS2505_REG(0, 30)
+#define TAS2505_DACFLAG1		TAS2505_REG(0, 37)
+#define TAS2505_DACFLAG2		TAS2505_REG(0, 38)
+#define TAS2505_STICKYFLAG1		TAS2505_REG(0, 42)
+#define TAS2505_INTFLAG1		TAS2505_REG(0, 43)
+#define TAS2505_STICKYFLAG2		TAS2505_REG(0, 44)
+#define TAS2505_INTFLAG2		TAS2505_REG(0, 46)
+#define TAS2505_DACINSTRSET		TAS2505_REG(0, 60)
+#define TAS2505_DACSETUP1		TAS2505_REG(0, 63)
+#define TAS2505_DACSETUP2		TAS2505_REG(0, 64)
+#define TAS2505_DACVOL			TAS2505_REG(0, 65)
+#define TAS2505_REF_POR_LDO_BGAP_CTRL	TAS2505_REG(1, 1)
+#define TAS2505_LDO_CTRL		TAS2505_REG(1, 2)
+#define TAS2505_PLAYBACKCONF1		TAS2505_REG(1, 3)
+#define TAS2505_SPKAMPCTRL1		TAS2505_REG(1, 45)
+#define TAS2505_SPKVOL1			TAS2505_REG(1, 46)
+#define TAS2505_SPKVOL2			TAS2505_REG(1, 48)
+#define TAS2505_DACANLGAINFLAG		TAS2505_REG(1, 63)
+
+#define TAS2505_PLLPR_P_MASK				(0x70)
+#define TAS2505_PLLPR_R_MASK				(0xf)
+#define TAS2505_PLL_DAC_MASK				(0x7f)
+#define TAS2505_BCLKNDIV_MASK				(0x7f)
+#define TAS2505_IFACE1_DATALEN_MASK			(0x30)
+#define TAS2505_IFACE1_WCLKDIR_MASK			(0x4)
+#define TAS2505_IFACE1_BCLKDIR_MASK			(0x8)
+#define TAS2505_IFACE1_INTERFACE_MASK			(0xc0)
+#define TAS2505_IFACE3_BDIVCLKIN_MASK			(0x1)
+#define TAS2505_IFACE3_BCLKINV_MASK			(0x8)
+#define TAS2505_DACSETUP1_PATH_CTRL_MSK			(0x30)
+#define TAS2505_DACSETUP2_MUTE_MASK			(0x8)
+#define TAS2505_PM_MASK					(0x80)
+#define TAS2505_LDO_PLL_HP_LVL_MASK			(0x8)
+#define TAS2505_REF_POR_LDO_BGAP_MASTER_REF_MASK	(0x10)
+#define TAS2505_SPKVOL2_MSK				(0x70)
+#define TAS2505_CODEC_CLKIN_MSK				(0x3)
+#define TAS2505_PLL_INPUT_CLK_MSK			(0xC)
+#define TAS2505_SPKAMPCTRL1_SPKDRV_MSK			BIT(1)
+
+#define TAS2505_PLLPR_P_SHIFT			(4)
+#define TAS2505_PLL_CLKIN_SHIFT			(2)
+#define TAS2505_IFACE1_DATALEN_SHIFT		(4)
+#define TAS2505_IFACE1_INTERFACE_SHIFT		(6)
+#define TAS2505_IFACE3_BCLKINV_SHIFT		(4)
+#define TAS2505_SPKVOL2_6DB_SHIFT		(4)
+#define TAS2505_DACSETUP1_PATH_CTRL_SHIFT	(4)
+
+#define TAS2505_WORD_LEN_20BITS			(1)
+#define TAS2505_WORD_LEN_24BITS			(2)
+#define TAS2505_WORD_LEN_32BITS			(3)
+
+#define TAS2505_DSP_MODE			(1)
+#define TAS2505_RJF_MODE			(2)
+#define TAS2505_LJF_MODE			(3)
+
+#define TAS2505_PLL_CLKIN_MCLK			(0)
+#define TAS2505_PLL_CLKIN_BCLK			(1)
+#define TAS2505_PLL_CLKIN_GPIO			(2)
+#define TAS2505_PLL_CLKIN_DIN			(3)
+#define TAS2505_CODEC_CLKIN_PLL			(3)
+#define TAS2505_SPKVOL2_MUTE			(0)
+#define TAS2505_SPKVOL2_6DB			(1)
+#define TAS2505_DACSETUP1_PATH_CTRL_LRDIV2	(3)
+#define TAS2505_SPKAMPCTRL1_SPKDRV_PWD		(0)
+#define TAS2505_SPKAMPCTRL1_SPKDRV_PWU		(1)
+
+#endif
-- 
2.34.1