ASoC: rt700: add rt700 codec driver

This is the initial codec driver for rt700.

Signed-off-by: Shuming Fan <shumingf@realtek.com>
Tested-by: Pierre-Louis Bossart <pierre-louis.bossart@linux.intel.com>
Link: https://lore.kernel.org/r/20200110014552.17252-1-shumingf@realtek.com
Signed-off-by: Mark Brown <broonie@kernel.org>

6 files changed, 2310 insertions, 0 deletions

diff --git a/sound/soc/codecs/Kconfig b/sound/soc/codecs/Kconfig
index 65b81888ca3d..7761aeec4d07 100644
--- a/sound/soc/codecs/Kconfig
+++ b/sound/soc/codecs/Kconfig
@@ -165,6 +165,7 @@ config SND_SOC_ALL_CODECS
 	select SND_SOC_RT5670 if I2C
 	select SND_SOC_RT5677 if I2C && SPI_MASTER
 	select SND_SOC_RT5682 if I2C
+	select SND_SOC_RT700_SDW if SOUNDWIRE
 	select SND_SOC_RT711_SDW if SOUNDWIRE
 	select SND_SOC_SGTL5000 if I2C
 	select SND_SOC_SI476X if MFD_SI476X_CORE
@@ -1060,6 +1061,15 @@ config SND_SOC_RT5677_SPI
 config SND_SOC_RT5682
 	tristate
 
+config SND_SOC_RT700
+	tristate
+
+config SND_SOC_RT700_SDW
+	tristate "Realtek RT700 Codec - SDW"
+	depends on SOUNDWIRE
+	select SND_SOC_RT700
+	select REGMAP_SOUNDWIRE
+
 config SND_SOC_RT711
 	tristate
 
diff --git a/sound/soc/codecs/Makefile b/sound/soc/codecs/Makefile
index f4dfe033d120..288b7af354a0 100644
--- a/sound/soc/codecs/Makefile
+++ b/sound/soc/codecs/Makefile
@@ -173,6 +173,7 @@ snd-soc-rt5670-objs := rt5670.o
 snd-soc-rt5677-objs := rt5677.o
 snd-soc-rt5677-spi-objs := rt5677-spi.o
 snd-soc-rt5682-objs := rt5682.o
+snd-soc-rt700-objs := rt700.o rt700-sdw.o
 snd-soc-rt711-objs := rt711.o rt711-sdw.o
 snd-soc-sgtl5000-objs := sgtl5000.o
 snd-soc-alc5623-objs := alc5623.o
@@ -466,6 +467,7 @@ obj-$(CONFIG_SND_SOC_RT5670)	+= snd-soc-rt5670.o
 obj-$(CONFIG_SND_SOC_RT5677)	+= snd-soc-rt5677.o
 obj-$(CONFIG_SND_SOC_RT5677_SPI)	+= snd-soc-rt5677-spi.o
 obj-$(CONFIG_SND_SOC_RT5682)	+= snd-soc-rt5682.o
+obj-$(CONFIG_SND_SOC_RT700)     += snd-soc-rt700.o
 obj-$(CONFIG_SND_SOC_RT711)     += snd-soc-rt711.o
 obj-$(CONFIG_SND_SOC_SGTL5000)  += snd-soc-sgtl5000.o
 obj-$(CONFIG_SND_SOC_SIGMADSP)	+= snd-soc-sigmadsp.o
diff --git a/sound/soc/codecs/rt700-sdw.c b/sound/soc/codecs/rt700-sdw.c
new file mode 100644
index 000000000000..314103601af3
--- /dev/null
+++ b/sound/soc/codecs/rt700-sdw.c
@@ -0,0 +1,551 @@
+// SPDX-License-Identifier: GPL-2.0
+//
+// rt700-sdw.c -- rt700 ALSA SoC audio driver
+//
+// Copyright(c) 2019 Realtek Semiconductor Corp.
+//
+//
+
+#include <linux/delay.h>
+#include <linux/device.h>
+#include <linux/mod_devicetable.h>
+#include <linux/soundwire/sdw.h>
+#include <linux/soundwire/sdw_type.h>
+#include <linux/module.h>
+#include <linux/regmap.h>
+#include <sound/soc.h>
+#include "rt700.h"
+#include "rt700-sdw.h"
+
+static bool rt700_readable_register(struct device *dev, unsigned int reg)
+{
+	switch (reg) {
+	case 0x00e0:
+	case 0x00f0:
+	case 0x2000 ... 0x200e:
+	case 0x2012 ... 0x2016:
+	case 0x201a ... 0x2027:
+	case 0x2029 ... 0x202a:
+	case 0x202d ... 0x2034:
+	case 0x2200 ... 0x2204:
+	case 0x2206 ... 0x2212:
+	case 0x2220 ... 0x2223:
+	case 0x2230 ... 0x2231:
+	case 0x3000 ... 0x3fff:
+	case 0x7000 ... 0x7fff:
+	case 0x8300 ... 0x83ff:
+	case 0x9c00 ... 0x9cff:
+	case 0xb900 ... 0xb9ff:
+	case 0x75201a:
+	case 0x752045:
+	case 0x752046:
+	case 0x752048:
+	case 0x75204a:
+	case 0x75206b:
+	case 0x752080:
+	case 0x752081:
+		return true;
+	default:
+		return false;
+	}
+}
+
+static bool rt700_volatile_register(struct device *dev, unsigned int reg)
+{
+	switch (reg) {
+	case 0x2009:
+	case 0x2016:
+	case 0x201b:
+	case 0x201c:
+	case 0x201d:
+	case 0x201f:
+	case 0x2021:
+	case 0x2023:
+	case 0x2230:
+	case 0x200b ... 0x200e: /* i2c read */
+	case 0x2012 ... 0x2015: /* HD-A read */
+	case 0x202d ... 0x202f: /* BRA */
+	case 0x2201 ... 0x2212: /* i2c debug */
+	case 0x2220 ... 0x2223: /* decoded HD-A */
+	case 0x9c00 ... 0x9cff:
+	case 0xb900 ... 0xb9ff:
+	case 0xff01:
+	case 0x75201a:
+	case 0x752046:
+	case 0x752080:
+	case 0x752081:
+		return true;
+	default:
+		return false;
+	}
+}
+
+static int rt700_sdw_read(void *context, unsigned int reg, unsigned int *val)
+{
+	struct device *dev = context;
+	struct rt700_priv *rt700 = dev_get_drvdata(dev);
+	unsigned int sdw_data_3, sdw_data_2, sdw_data_1, sdw_data_0;
+	unsigned int reg2 = 0, reg3 = 0, reg4 = 0, mask, nid, val2;
+	unsigned int is_hda_reg = 1, is_index_reg = 0;
+	int ret;
+
+	if (reg > 0xffff)
+		is_index_reg = 1;
+
+	mask = reg & 0xf000;
+
+	if (is_index_reg) { /* index registers */
+		val2 = reg & 0xff;
+		reg = reg >> 8;
+		nid = reg & 0xff;
+		ret = regmap_write(rt700->sdw_regmap, reg, 0);
+		if (ret < 0)
+			return ret;
+		reg2 = reg + 0x1000;
+		reg2 |= 0x80;
+		ret = regmap_write(rt700->sdw_regmap, reg2, val2);
+		if (ret < 0)
+			return ret;
+
+		reg3 = RT700_PRIV_DATA_R_H | nid;
+		ret = regmap_write(rt700->sdw_regmap,
+			reg3, ((*val >> 8) & 0xff));
+		if (ret < 0)
+			return ret;
+		reg4 = reg3 + 0x1000;
+		reg4 |= 0x80;
+		ret = regmap_write(rt700->sdw_regmap, reg4, (*val & 0xff));
+		if (ret < 0)
+			return ret;
+	} else if (mask   == 0x3000) {
+		reg += 0x8000;
+		ret = regmap_write(rt700->sdw_regmap, reg, *val);
+		if (ret < 0)
+			return ret;
+	} else if (mask == 0x7000) {
+		reg += 0x2000;
+		reg |= 0x800;
+		ret = regmap_write(rt700->sdw_regmap,
+			reg, ((*val >> 8) & 0xff));
+		if (ret < 0)
+			return ret;
+		reg2 = reg + 0x1000;
+		reg2 |= 0x80;
+		ret = regmap_write(rt700->sdw_regmap, reg2, (*val & 0xff));
+		if (ret < 0)
+			return ret;
+	} else if ((reg & 0xff00) == 0x8300) { /* for R channel */
+		reg2 = reg - 0x1000;
+		reg2 &= ~0x80;
+		ret = regmap_write(rt700->sdw_regmap,
+			reg2, ((*val >> 8) & 0xff));
+		if (ret < 0)
+			return ret;
+		ret = regmap_write(rt700->sdw_regmap, reg, (*val & 0xff));
+		if (ret < 0)
+			return ret;
+	} else if (mask == 0x9000) {
+		ret = regmap_write(rt700->sdw_regmap,
+			reg, ((*val >> 8) & 0xff));
+		if (ret < 0)
+			return ret;
+		reg2 = reg + 0x1000;
+		reg2 |= 0x80;
+		ret = regmap_write(rt700->sdw_regmap, reg2, (*val & 0xff));
+		if (ret < 0)
+			return ret;
+	} else if (mask == 0xb000) {
+		ret = regmap_write(rt700->sdw_regmap, reg, *val);
+		if (ret < 0)
+			return ret;
+	} else {
+		ret = regmap_read(rt700->sdw_regmap, reg, val);
+		if (ret < 0)
+			return ret;
+		is_hda_reg = 0;
+	}
+
+	if (is_hda_reg || is_index_reg) {
+		sdw_data_3 = 0;
+		sdw_data_2 = 0;
+		sdw_data_1 = 0;
+		sdw_data_0 = 0;
+		ret = regmap_read(rt700->sdw_regmap,
+			RT700_READ_HDA_3, &sdw_data_3);
+		if (ret < 0)
+			return ret;
+		ret = regmap_read(rt700->sdw_regmap,
+			RT700_READ_HDA_2, &sdw_data_2);
+		if (ret < 0)
+			return ret;
+		ret = regmap_read(rt700->sdw_regmap,
+			RT700_READ_HDA_1, &sdw_data_1);
+		if (ret < 0)
+			return ret;
+		ret = regmap_read(rt700->sdw_regmap,
+			RT700_READ_HDA_0, &sdw_data_0);
+		if (ret < 0)
+			return ret;
+		*val = ((sdw_data_3 & 0xff) << 24) |
+			((sdw_data_2 & 0xff) << 16) |
+			((sdw_data_1 & 0xff) << 8) | (sdw_data_0 & 0xff);
+	}
+
+	if (is_hda_reg == 0)
+		dev_dbg(dev, "[%s] %04x => %08x\n", __func__, reg, *val);
+	else if (is_index_reg)
+		dev_dbg(dev, "[%s] %04x %04x %04x %04x => %08x\n",
+			__func__, reg, reg2, reg3, reg4, *val);
+	else
+		dev_dbg(dev, "[%s] %04x %04x => %08x\n",
+			__func__, reg, reg2, *val);
+
+	return 0;
+}
+
+static int rt700_sdw_write(void *context, unsigned int reg, unsigned int val)
+{
+	struct device *dev = context;
+	struct rt700_priv *rt700 = dev_get_drvdata(dev);
+	unsigned int reg2 = 0, reg3, reg4, nid, mask, val2;
+	unsigned int is_index_reg = 0;
+	int ret;
+
+	if (reg > 0xffff)
+		is_index_reg = 1;
+
+	mask = reg & 0xf000;
+
+	if (is_index_reg) { /* index registers */
+		val2 = reg & 0xff;
+		reg = reg >> 8;
+		nid = reg & 0xff;
+		ret = regmap_write(rt700->sdw_regmap, reg, 0);
+		if (ret < 0)
+			return ret;
+		reg2 = reg + 0x1000;
+		reg2 |= 0x80;
+		ret = regmap_write(rt700->sdw_regmap, reg2, val2);
+		if (ret < 0)
+			return ret;
+
+		reg3 = RT700_PRIV_DATA_W_H | nid;
+		ret = regmap_write(rt700->sdw_regmap,
+			reg3, ((val >> 8) & 0xff));
+		if (ret < 0)
+			return ret;
+		reg4 = reg3 + 0x1000;
+		reg4 |= 0x80;
+		ret = regmap_write(rt700->sdw_regmap, reg4, (val & 0xff));
+		if (ret < 0)
+			return ret;
+		is_index_reg = 1;
+	} else if (reg < 0x4fff) {
+		ret = regmap_write(rt700->sdw_regmap, reg, val);
+		if (ret < 0)
+			return ret;
+	} else if (reg == 0xff01) {
+		ret = regmap_write(rt700->sdw_regmap, reg, val);
+		if (ret < 0)
+			return ret;
+	} else if (mask == 0x7000) {
+		ret = regmap_write(rt700->sdw_regmap,
+			reg, ((val >> 8) & 0xff));
+		if (ret < 0)
+			return ret;
+		reg2 = reg + 0x1000;
+		reg2 |= 0x80;
+		ret = regmap_write(rt700->sdw_regmap, reg2, (val & 0xff));
+		if (ret < 0)
+			return ret;
+	} else if ((reg & 0xff00) == 0x8300) {  /* for R channel */
+		reg2 = reg - 0x1000;
+		reg2 &= ~0x80;
+		ret = regmap_write(rt700->sdw_regmap,
+			reg2, ((val >> 8) & 0xff));
+		if (ret < 0)
+			return ret;
+		ret = regmap_write(rt700->sdw_regmap, reg, (val & 0xff));
+		if (ret < 0)
+			return ret;
+	}
+
+	if (reg2 == 0)
+		dev_dbg(dev, "[%s] %04x <= %04x\n", __func__, reg, val);
+	else if (is_index_reg)
+		dev_dbg(dev, "[%s] %04x %04x %04x %04x <= %04x %04x\n",
+			__func__, reg, reg2, reg3, reg4, val2, val);
+	else
+		dev_dbg(dev, "[%s] %04x %04x <= %04x\n",
+			__func__, reg, reg2, val);
+
+	return 0;
+}
+
+static const struct regmap_config rt700_regmap = {
+	.reg_bits = 24,
+	.val_bits = 32,
+	.readable_reg = rt700_readable_register,
+	.volatile_reg = rt700_volatile_register,
+	.max_register = 0x755800,
+	.reg_defaults = rt700_reg_defaults,
+	.num_reg_defaults = ARRAY_SIZE(rt700_reg_defaults),
+	.cache_type = REGCACHE_RBTREE,
+	.use_single_read = true,
+	.use_single_write = true,
+	.reg_read = rt700_sdw_read,
+	.reg_write = rt700_sdw_write,
+};
+
+static const struct regmap_config rt700_sdw_regmap = {
+	.name = "sdw",
+	.reg_bits = 32,
+	.val_bits = 8,
+	.readable_reg = rt700_readable_register,
+	.max_register = 0xff01,
+	.cache_type = REGCACHE_NONE,
+	.use_single_read = true,
+	.use_single_write = true,
+};
+
+static int rt700_update_status(struct sdw_slave *slave,
+					enum sdw_slave_status status)
+{
+	struct rt700_priv *rt700 = dev_get_drvdata(&slave->dev);
+
+	/* Update the status */
+	rt700->status = status;
+
+	if (status == SDW_SLAVE_UNATTACHED)
+		rt700->hw_init = false;
+
+	/*
+	 * Perform initialization only if slave status is present and
+	 * hw_init flag is false
+	 */
+	if (rt700->hw_init || rt700->status != SDW_SLAVE_ATTACHED)
+		return 0;
+
+	/* perform I/O transfers required for Slave initialization */
+	return rt700_io_init(&slave->dev, slave);
+}
+
+static int rt700_read_prop(struct sdw_slave *slave)
+{
+	struct sdw_slave_prop *prop = &slave->prop;
+	int nval, i, num_of_ports = 1;
+	u32 bit;
+	unsigned long addr;
+	struct sdw_dpn_prop *dpn;
+
+	prop->paging_support = false;
+
+	/* first we need to allocate memory for set bits in port lists */
+	prop->source_ports = 0x14; /* BITMAP: 00010100 */
+	prop->sink_ports = 0xA; /* BITMAP:  00001010 */
+
+	nval = hweight32(prop->source_ports);
+	num_of_ports += nval;
+	prop->src_dpn_prop = devm_kcalloc(&slave->dev, nval,
+						sizeof(*prop->src_dpn_prop),
+						GFP_KERNEL);
+	if (!prop->src_dpn_prop)
+		return -ENOMEM;
+
+	i = 0;
+	dpn = prop->src_dpn_prop;
+	addr = prop->source_ports;
+	for_each_set_bit(bit, &addr, 32) {
+		dpn[i].num = bit;
+		dpn[i].type = SDW_DPN_FULL;
+		dpn[i].simple_ch_prep_sm = true;
+		dpn[i].ch_prep_timeout = 10;
+		i++;
+	}
+
+	/* do this again for sink now */
+	nval = hweight32(prop->sink_ports);
+	num_of_ports += nval;
+	prop->sink_dpn_prop = devm_kcalloc(&slave->dev, nval,
+						sizeof(*prop->sink_dpn_prop),
+						GFP_KERNEL);
+	if (!prop->sink_dpn_prop)
+		return -ENOMEM;
+
+	i = 0;
+	dpn = prop->sink_dpn_prop;
+	addr = prop->sink_ports;
+	for_each_set_bit(bit, &addr, 32) {
+		dpn[i].num = bit;
+		dpn[i].type = SDW_DPN_FULL;
+		dpn[i].simple_ch_prep_sm = true;
+		dpn[i].ch_prep_timeout = 10;
+		i++;
+	}
+
+	/* Allocate port_ready based on num_of_ports */
+	slave->port_ready = devm_kcalloc(&slave->dev, num_of_ports,
+					sizeof(*slave->port_ready),
+					GFP_KERNEL);
+	if (!slave->port_ready)
+		return -ENOMEM;
+
+	/* Initialize completion */
+	for (i = 0; i < num_of_ports; i++)
+		init_completion(&slave->port_ready[i]);
+
+	/* set the timeout values */
+	prop->clk_stop_timeout = 20;
+
+	/* wake-up event */
+	prop->wake_capable = 1;
+
+	return 0;
+}
+
+static int rt700_bus_config(struct sdw_slave *slave,
+				struct sdw_bus_params *params)
+{
+	struct rt700_priv *rt700 = dev_get_drvdata(&slave->dev);
+	int ret;
+
+	memcpy(&rt700->params, params, sizeof(*params));
+
+	ret = rt700_clock_config(&slave->dev);
+	if (ret < 0)
+		dev_err(&slave->dev, "Invalid clk config");
+
+	return ret;
+}
+
+static int rt700_interrupt_callback(struct sdw_slave *slave,
+					struct sdw_slave_intr_status *status)
+{
+	struct rt700_priv *rt700 = dev_get_drvdata(&slave->dev);
+
+	dev_dbg(&slave->dev,
+		"%s control_port_stat=%x", __func__, status->control_port);
+
+	if (status->control_port & 0x4) {
+		mod_delayed_work(system_power_efficient_wq,
+			&rt700->jack_detect_work, msecs_to_jiffies(250));
+	}
+
+	return 0;
+}
+
+/*
+ * slave_ops: callbacks for get_clock_stop_mode, clock_stop and
+ * port_prep are not defined for now
+ */
+static struct sdw_slave_ops rt700_slave_ops = {
+	.read_prop = rt700_read_prop,
+	.interrupt_callback = rt700_interrupt_callback,
+	.update_status = rt700_update_status,
+	.bus_config = rt700_bus_config,
+};
+
+static int rt700_sdw_probe(struct sdw_slave *slave,
+				const struct sdw_device_id *id)
+{
+	struct regmap *sdw_regmap, *regmap;
+
+	/* Assign ops */
+	slave->ops = &rt700_slave_ops;
+
+	/* Regmap Initialization */
+	sdw_regmap = devm_regmap_init_sdw(slave, &rt700_sdw_regmap);
+	if (!sdw_regmap)
+		return -EINVAL;
+
+	regmap = devm_regmap_init(&slave->dev, NULL,
+		&slave->dev, &rt700_regmap);
+	if (!regmap)
+		return -EINVAL;
+
+	rt700_init(&slave->dev, sdw_regmap, regmap, slave);
+
+	return 0;
+}
+
+static int rt700_sdw_remove(struct sdw_slave *slave)
+{
+	struct rt700_priv *rt700 = dev_get_drvdata(&slave->dev);
+
+	if (rt700 && rt700->hw_init) {
+		cancel_delayed_work(&rt700->jack_detect_work);
+		cancel_delayed_work(&rt700->jack_btn_check_work);
+	}
+
+	return 0;
+}
+
+static const struct sdw_device_id rt700_id[] = {
+	SDW_SLAVE_ENTRY(0x025d, 0x700, 0),
+	{},
+};
+MODULE_DEVICE_TABLE(sdw, rt700_id);
+
+static int rt700_dev_suspend(struct device *dev)
+{
+	struct rt700_priv *rt700 = dev_get_drvdata(dev);
+
+	if (!rt700->hw_init)
+		return 0;
+
+	regcache_cache_only(rt700->regmap, true);
+
+	return 0;
+}
+
+#define RT700_PROBE_TIMEOUT 2000
+
+static int rt700_dev_resume(struct device *dev)
+{
+	struct sdw_slave *slave = dev_to_sdw_dev(dev);
+	struct rt700_priv *rt700 = dev_get_drvdata(dev);
+	unsigned long time;
+
+	if (!rt700->hw_init)
+		return 0;
+
+	if (!slave->unattach_request)
+		goto regmap_sync;
+
+	time = wait_for_completion_timeout(&slave->initialization_complete,
+				msecs_to_jiffies(RT700_PROBE_TIMEOUT));
+	if (!time) {
+		dev_err(&slave->dev, "Initialization not complete, timed out\n");
+		return -ETIMEDOUT;
+	}
+
+regmap_sync:
+	slave->unattach_request = 0;
+	regcache_cache_only(rt700->regmap, false);
+	regcache_sync_region(rt700->regmap, 0x3000, 0x8fff);
+	regcache_sync_region(rt700->regmap, 0x752010, 0x75206b);
+
+	return 0;
+}
+
+static const struct dev_pm_ops rt700_pm = {
+	SET_SYSTEM_SLEEP_PM_OPS(rt700_dev_suspend, rt700_dev_resume)
+	SET_RUNTIME_PM_OPS(rt700_dev_suspend, rt700_dev_resume, NULL)
+};
+
+static struct sdw_driver rt700_sdw_driver = {
+	.driver = {
+		.name = "rt700",
+		.owner = THIS_MODULE,
+		.pm = &rt700_pm,
+	},
+	.probe = rt700_sdw_probe,
+	.remove = rt700_sdw_remove,
+	.ops = &rt700_slave_ops,
+	.id_table = rt700_id,
+};
+module_sdw_driver(rt700_sdw_driver);
+
+MODULE_DESCRIPTION("ASoC RT700 driver SDW");
+MODULE_AUTHOR("Shuming Fan <shumingf@realtek.com>");
+MODULE_LICENSE("GPL v2");
diff --git a/sound/soc/codecs/rt700-sdw.h b/sound/soc/codecs/rt700-sdw.h
new file mode 100644
index 000000000000..4ad0dcfd16fd
--- /dev/null
+++ b/sound/soc/codecs/rt700-sdw.h
@@ -0,0 +1,335 @@
+/* SPDX-License-Identifier: GPL-2.0 */
+/*
+ * rt700-sdw.h -- RT700 ALSA SoC audio driver header
+ *
+ * Copyright(c) 2019 Realtek Semiconductor Corp.
+ */
+
+#ifndef __RT700_SDW_H__
+#define __RT700_SDW_H__
+
+static const struct reg_default rt700_reg_defaults[] = {
+	{ 0x0000, 0x0000 },
+	{ 0x0001, 0x0000 },
+	{ 0x0002, 0x0000 },
+	{ 0x0003, 0x0000 },
+	{ 0x0004, 0x0000 },
+	{ 0x0005, 0x0001 },
+	{ 0x0020, 0x0000 },
+	{ 0x0022, 0x0000 },
+	{ 0x0023, 0x0000 },
+	{ 0x0024, 0x0000 },
+	{ 0x0025, 0x0000 },
+	{ 0x0026, 0x0000 },
+	{ 0x0030, 0x0000 },
+	{ 0x0032, 0x0000 },
+	{ 0x0033, 0x0000 },
+	{ 0x0034, 0x0000 },
+	{ 0x0035, 0x0000 },
+	{ 0x0036, 0x0000 },
+	{ 0x0040, 0x0000 },
+	{ 0x0041, 0x0000 },
+	{ 0x0042, 0x0000 },
+	{ 0x0043, 0x0000 },
+	{ 0x0044, 0x0020 },
+	{ 0x0045, 0x0001 },
+	{ 0x0046, 0x0000 },
+	{ 0x0050, 0x0000 },
+	{ 0x0051, 0x0000 },
+	{ 0x0052, 0x0000 },
+	{ 0x0053, 0x0000 },
+	{ 0x0054, 0x0000 },
+	{ 0x0055, 0x0000 },
+	{ 0x0060, 0x0000 },
+	{ 0x0070, 0x0000 },
+	{ 0x00e0, 0x0000 },
+	{ 0x00f0, 0x0000 },
+	{ 0x0100, 0x0000 },
+	{ 0x0101, 0x0000 },
+	{ 0x0102, 0x0000 },
+	{ 0x0103, 0x0000 },
+	{ 0x0104, 0x0000 },
+	{ 0x0105, 0x0000 },
+	{ 0x0120, 0x0000 },
+	{ 0x0121, 0x0000 },
+	{ 0x0122, 0x0000 },
+	{ 0x0123, 0x0000 },
+	{ 0x0124, 0x0000 },
+	{ 0x0125, 0x0000 },
+	{ 0x0126, 0x0000 },
+	{ 0x0127, 0x0000 },
+	{ 0x0130, 0x0000 },
+	{ 0x0131, 0x0000 },
+	{ 0x0132, 0x0000 },
+	{ 0x0133, 0x0000 },
+	{ 0x0134, 0x0000 },
+	{ 0x0135, 0x0000 },
+	{ 0x0136, 0x0000 },
+	{ 0x0137, 0x0000 },
+	{ 0x0200, 0x0000 },
+	{ 0x0201, 0x0000 },
+	{ 0x0202, 0x0000 },
+	{ 0x0203, 0x0000 },
+	{ 0x0204, 0x0000 },
+	{ 0x0205, 0x0000 },
+	{ 0x0220, 0x0000 },
+	{ 0x0221, 0x0000 },
+	{ 0x0222, 0x0000 },
+	{ 0x0223, 0x0000 },
+	{ 0x0224, 0x0000 },
+	{ 0x0225, 0x0000 },
+	{ 0x0226, 0x0000 },
+	{ 0x0227, 0x0000 },
+	{ 0x0230, 0x0000 },
+	{ 0x0231, 0x0000 },
+	{ 0x0232, 0x0000 },
+	{ 0x0233, 0x0000 },
+	{ 0x0234, 0x0000 },
+	{ 0x0235, 0x0000 },
+	{ 0x0236, 0x0000 },
+	{ 0x0237, 0x0000 },
+	{ 0x0300, 0x0000 },
+	{ 0x0301, 0x0000 },
+	{ 0x0302, 0x0000 },
+	{ 0x0303, 0x0000 },
+	{ 0x0304, 0x0000 },
+	{ 0x0305, 0x0000 },
+	{ 0x0320, 0x0000 },
+	{ 0x0321, 0x0000 },
+	{ 0x0322, 0x0000 },
+	{ 0x0323, 0x0000 },
+	{ 0x0324, 0x0000 },
+	{ 0x0325, 0x0000 },
+	{ 0x0326, 0x0000 },
+	{ 0x0327, 0x0000 },
+	{ 0x0330, 0x0000 },
+	{ 0x0331, 0x0000 },
+	{ 0x0332, 0x0000 },
+	{ 0x0333, 0x0000 },
+	{ 0x0334, 0x0000 },
+	{ 0x0335, 0x0000 },
+	{ 0x0336, 0x0000 },
+	{ 0x0337, 0x0000 },
+	{ 0x0400, 0x0000 },
+	{ 0x0401, 0x0000 },
+	{ 0x0402, 0x0000 },
+	{ 0x0403, 0x0000 },
+	{ 0x0404, 0x0000 },
+	{ 0x0405, 0x0000 },
+	{ 0x0420, 0x0000 },
+	{ 0x0421, 0x0000 },
+	{ 0x0422, 0x0000 },
+	{ 0x0423, 0x0000 },
+	{ 0x0424, 0x0000 },
+	{ 0x0425, 0x0000 },
+	{ 0x0426, 0x0000 },
+	{ 0x0427, 0x0000 },
+	{ 0x0430, 0x0000 },
+	{ 0x0431, 0x0000 },
+	{ 0x0432, 0x0000 },
+	{ 0x0433, 0x0000 },
+	{ 0x0434, 0x0000 },
+	{ 0x0435, 0x0000 },
+	{ 0x0436, 0x0000 },
+	{ 0x0437, 0x0000 },
+	{ 0x0500, 0x0000 },
+	{ 0x0501, 0x0000 },
+	{ 0x0502, 0x0000 },
+	{ 0x0503, 0x0000 },
+	{ 0x0504, 0x0000 },
+	{ 0x0505, 0x0000 },
+	{ 0x0520, 0x0000 },
+	{ 0x0521, 0x0000 },
+	{ 0x0522, 0x0000 },
+	{ 0x0523, 0x0000 },
+	{ 0x0524, 0x0000 },
+	{ 0x0525, 0x0000 },
+	{ 0x0526, 0x0000 },
+	{ 0x0527, 0x0000 },
+	{ 0x0530, 0x0000 },
+	{ 0x0531, 0x0000 },
+	{ 0x0532, 0x0000 },
+	{ 0x0533, 0x0000 },
+	{ 0x0534, 0x0000 },
+	{ 0x0535, 0x0000 },
+	{ 0x0536, 0x0000 },
+	{ 0x0537, 0x0000 },
+	{ 0x0600, 0x0000 },
+	{ 0x0601, 0x0000 },
+	{ 0x0602, 0x0000 },
+	{ 0x0603, 0x0000 },
+	{ 0x0604, 0x0000 },
+	{ 0x0605, 0x0000 },
+	{ 0x0620, 0x0000 },
+	{ 0x0621, 0x0000 },
+	{ 0x0622, 0x0000 },
+	{ 0x0623, 0x0000 },
+	{ 0x0624, 0x0000 },
+	{ 0x0625, 0x0000 },
+	{ 0x0626, 0x0000 },
+	{ 0x0627, 0x0000 },
+	{ 0x0630, 0x0000 },
+	{ 0x0631, 0x0000 },
+	{ 0x0632, 0x0000 },
+	{ 0x0633, 0x0000 },
+	{ 0x0634, 0x0000 },
+	{ 0x0635, 0x0000 },
+	{ 0x0636, 0x0000 },
+	{ 0x0637, 0x0000 },
+	{ 0x0700, 0x0000 },
+	{ 0x0701, 0x0000 },
+	{ 0x0702, 0x0000 },
+	{ 0x0703, 0x0000 },
+	{ 0x0704, 0x0000 },
+	{ 0x0705, 0x0000 },
+	{ 0x0720, 0x0000 },
+	{ 0x0721, 0x0000 },
+	{ 0x0722, 0x0000 },
+	{ 0x0723, 0x0000 },
+	{ 0x0724, 0x0000 },
+	{ 0x0725, 0x0000 },
+	{ 0x0726, 0x0000 },
+	{ 0x0727, 0x0000 },
+	{ 0x0730, 0x0000 },
+	{ 0x0731, 0x0000 },
+	{ 0x0732, 0x0000 },
+	{ 0x0733, 0x0000 },
+	{ 0x0734, 0x0000 },
+	{ 0x0735, 0x0000 },
+	{ 0x0736, 0x0000 },
+	{ 0x0737, 0x0000 },
+	{ 0x0800, 0x0000 },
+	{ 0x0801, 0x0000 },
+	{ 0x0802, 0x0000 },
+	{ 0x0803, 0x0000 },
+	{ 0x0804, 0x0000 },
+	{ 0x0805, 0x0000 },
+	{ 0x0820, 0x0000 },
+	{ 0x0821, 0x0000 },
+	{ 0x0822, 0x0000 },
+	{ 0x0823, 0x0000 },
+	{ 0x0824, 0x0000 },
+	{ 0x0825, 0x0000 },
+	{ 0x0826, 0x0000 },
+	{ 0x0827, 0x0000 },
+	{ 0x0830, 0x0000 },
+	{ 0x0831, 0x0000 },
+	{ 0x0832, 0x0000 },
+	{ 0x0833, 0x0000 },
+	{ 0x0834, 0x0000 },
+	{ 0x0835, 0x0000 },
+	{ 0x0836, 0x0000 },
+	{ 0x0837, 0x0000 },
+	{ 0x0f00, 0x0000 },
+	{ 0x0f01, 0x0000 },
+	{ 0x0f02, 0x0000 },
+	{ 0x0f03, 0x0000 },
+	{ 0x0f04, 0x0000 },
+	{ 0x0f05, 0x0000 },
+	{ 0x0f20, 0x0000 },
+	{ 0x0f21, 0x0000 },
+	{ 0x0f22, 0x0000 },
+	{ 0x0f23, 0x0000 },
+	{ 0x0f24, 0x0000 },
+	{ 0x0f25, 0x0000 },
+	{ 0x0f26, 0x0000 },
+	{ 0x0f27, 0x0000 },
+	{ 0x0f30, 0x0000 },
+	{ 0x0f31, 0x0000 },
+	{ 0x0f32, 0x0000 },
+	{ 0x0f33, 0x0000 },
+	{ 0x0f34, 0x0000 },
+	{ 0x0f35, 0x0000 },
+	{ 0x0f36, 0x0000 },
+	{ 0x0f37, 0x0000 },
+	{ 0x2000, 0x0000 },
+	{ 0x2001, 0x0000 },
+	{ 0x2002, 0x0000 },
+	{ 0x2003, 0x0000 },
+	{ 0x2004, 0x0000 },
+	{ 0x2005, 0x0000 },
+	{ 0x2006, 0x0000 },
+	{ 0x2007, 0x0000 },
+	{ 0x2008, 0x0000 },
+	{ 0x2009, 0x0003 },
+	{ 0x200a, 0x0003 },
+	{ 0x200b, 0x0000 },
+	{ 0x200c, 0x0000 },
+	{ 0x200d, 0x0000 },
+	{ 0x200e, 0x0000 },
+	{ 0x2012, 0x0000 },
+	{ 0x2013, 0x0000 },
+	{ 0x2014, 0x0000 },
+	{ 0x2015, 0x0000 },
+	{ 0x2016, 0x0000 },
+	{ 0x201a, 0x0000 },
+	{ 0x201b, 0x0000 },
+	{ 0x201c, 0x0000 },
+	{ 0x201d, 0x0000 },
+	{ 0x201e, 0x0000 },
+	{ 0x201f, 0x0000 },
+	{ 0x2020, 0x0000 },
+	{ 0x2021, 0x0000 },
+	{ 0x2022, 0x0000 },
+	{ 0x2023, 0x0000 },
+	{ 0x2024, 0x0000 },
+	{ 0x2025, 0x0002 },
+	{ 0x2026, 0x0000 },
+	{ 0x2027, 0x0000 },
+	{ 0x2029, 0x0000 },
+	{ 0x202a, 0x0000 },
+	{ 0x202d, 0x0000 },
+	{ 0x202e, 0x0000 },
+	{ 0x202f, 0x0000 },
+	{ 0x2030, 0x0000 },
+	{ 0x2031, 0x0000 },
+	{ 0x2032, 0x0000 },
+	{ 0x2033, 0x0000 },
+	{ 0x2034, 0x0000 },
+	{ 0x2200, 0x0000 },
+	{ 0x2201, 0x0000 },
+	{ 0x2202, 0x0000 },
+	{ 0x2203, 0x0000 },
+	{ 0x2204, 0x0000 },
+	{ 0x2206, 0x0000 },
+	{ 0x2207, 0x0000 },
+	{ 0x2208, 0x0000 },
+	{ 0x2209, 0x0000 },
+	{ 0x220a, 0x0000 },
+	{ 0x220b, 0x0000 },
+	{ 0x220c, 0x0000 },
+	{ 0x220d, 0x0000 },
+	{ 0x220e, 0x0000 },
+	{ 0x220f, 0x0000 },
+	{ 0x2211, 0x0000 },
+	{ 0x2212, 0x0000 },
+	{ 0x2220, 0x0000 },
+	{ 0x2221, 0x0000 },
+	{ 0x2222, 0x0000 },
+	{ 0x2223, 0x0000 },
+	{ 0x2230, 0x0000 },
+	{ 0x2231, 0x0000 },
+	{ 0x3121, 0x0001 },
+	{ 0x3122, 0x0000 },
+	{ 0x3123, 0x0000 },
+	{ 0x7303, 0x0057 },
+	{ 0x7303, 0x0057 },
+	{ 0x8383, 0x0057 },
+	{ 0x7308, 0x0097 },
+	{ 0x8388, 0x0097 },
+	{ 0x7309, 0x0097 },
+	{ 0x8389, 0x0097 },
+	{ 0x7312, 0x0000 },
+	{ 0x8392, 0x0000 },
+	{ 0x7313, 0x0000 },
+	{ 0x8393, 0x0000 },
+	{ 0x7319, 0x0000 },
+	{ 0x8399, 0x0000 },
+	{ 0x75201a, 0x8003 },
+	{ 0x752045, 0x5289 },
+	{ 0x752048, 0xd049 },
+	{ 0x75204a, 0xa83b },
+	{ 0x75206b, 0x5064 },
+};
+
+#endif /* __RT700_H__ */
diff --git a/sound/soc/codecs/rt700.c b/sound/soc/codecs/rt700.c
new file mode 100644
index 000000000000..b1830c1ebf8a
--- /dev/null
+++ b/sound/soc/codecs/rt700.c
@@ -0,0 +1,1238 @@
+// SPDX-License-Identifier: GPL-2.0
+//
+// rt700.c -- rt700 ALSA SoC audio driver
+//
+// Copyright(c) 2019 Realtek Semiconductor Corp.
+//
+//
+
+#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_runtime.h>
+#include <linux/pm.h>
+#include <linux/soundwire/sdw.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 <sound/hda_verbs.h>
+#include <sound/jack.h>
+
+#include "rt700.h"
+
+static int rt700_index_write(struct regmap *regmap,
+		unsigned int reg, unsigned int value)
+{
+	int ret;
+	unsigned int addr = (RT700_PRIV_INDEX_W_H << 8) | reg;
+
+	ret = regmap_write(regmap, addr, value);
+	if (ret < 0)
+		pr_err("Failed to set private value: %06x <= %04x ret=%d\n",
+			addr, value, ret);
+
+	return ret;
+}
+
+static int rt700_index_read(struct regmap *regmap,
+		unsigned int reg, unsigned int *value)
+{
+	int ret;
+	unsigned int addr = (RT700_PRIV_INDEX_W_H << 8) | reg;
+
+	*value = 0;
+	ret = regmap_read(regmap, addr, value);
+	if (ret < 0)
+		pr_err("Failed to get private value: %06x => %04x ret=%d\n",
+			addr, *value, ret);
+
+	return ret;
+}
+
+static unsigned int rt700_button_detect(struct rt700_priv *rt700)
+{
+	unsigned int btn_type = 0, val80, val81;
+	int ret;
+
+	ret = rt700_index_read(rt700->regmap, RT700_IRQ_FLAG_TABLE1, &val80);
+	if (ret < 0)
+		goto read_error;
+	ret = rt700_index_read(rt700->regmap, RT700_IRQ_FLAG_TABLE2, &val81);
+	if (ret < 0)
+		goto read_error;
+
+	val80 &= 0x0381;
+	val81 &= 0xff00;
+
+	switch (val80) {
+	case 0x0200:
+	case 0x0100:
+	case 0x0080:
+		btn_type |= SND_JACK_BTN_0;
+		break;
+	case 0x0001:
+		btn_type |= SND_JACK_BTN_3;
+		break;
+	}
+	switch (val81) {
+	case 0x8000:
+	case 0x4000:
+	case 0x2000:
+		btn_type |= SND_JACK_BTN_1;
+		break;
+	case 0x1000:
+	case 0x0800:
+	case 0x0400:
+		btn_type |= SND_JACK_BTN_2;
+		break;
+	case 0x0200:
+	case 0x0100:
+		btn_type |= SND_JACK_BTN_3;
+		break;
+	}
+read_error:
+	return btn_type;
+}
+
+static int rt700_headset_detect(struct rt700_priv *rt700)
+{
+	unsigned int buf, loop = 0;
+	int ret;
+	unsigned int jack_status = 0, reg;
+
+	ret = rt700_index_read(rt700->regmap,
+					RT700_COMBO_JACK_AUTO_CTL2, &buf);
+	if (ret < 0)
+		goto io_error;
+
+	while (loop < 500 &&
+		(buf & RT700_COMBOJACK_AUTO_DET_STATUS) == 0) {
+		loop++;
+
+		usleep_range(9000, 10000);
+		ret = rt700_index_read(rt700->regmap,
+					RT700_COMBO_JACK_AUTO_CTL2, &buf);
+		if (ret < 0)
+			goto io_error;
+
+		reg = RT700_VERB_GET_PIN_SENSE | RT700_HP_OUT;
+		ret = regmap_read(rt700->regmap, reg, &jack_status);
+		if ((jack_status & (1 << 31)) == 0)
+			goto remove_error;
+	}
+
+	if (loop >= 500)
+		goto to_error;
+
+	if (buf & RT700_COMBOJACK_AUTO_DET_TRS)
+		rt700->jack_type = SND_JACK_HEADPHONE;
+	else if ((buf & RT700_COMBOJACK_AUTO_DET_CTIA) ||
+		(buf & RT700_COMBOJACK_AUTO_DET_OMTP))
+		rt700->jack_type = SND_JACK_HEADSET;
+
+	return 0;
+
+to_error:
+	ret = -ETIMEDOUT;
+	pr_err_ratelimited("Time-out error in %s\n", __func__);
+	return ret;
+io_error:
+	pr_err_ratelimited("IO error in %s, ret %d\n", __func__, ret);
+	return ret;
+remove_error:
+	pr_err_ratelimited("Jack removal in %s\n", __func__);
+	return -ENODEV;
+}
+
+static void rt700_jack_detect_handler(struct work_struct *work)
+{
+	struct rt700_priv *rt700 =
+		container_of(work, struct rt700_priv, jack_detect_work.work);
+	int btn_type = 0, ret;
+	unsigned int jack_status = 0, reg;
+
+	if (!rt700->hs_jack)
+		return;
+
+	if (!rt700->component->card->instantiated)
+		return;
+
+	reg = RT700_VERB_GET_PIN_SENSE | RT700_HP_OUT;
+	ret = regmap_read(rt700->regmap, reg, &jack_status);
+	if (ret < 0)
+		goto io_error;
+
+	/* pin attached */
+	if (jack_status & (1 << 31)) {
+		/* jack in */
+		if (rt700->jack_type == 0) {
+			ret = rt700_headset_detect(rt700);
+			if (ret < 0)
+				return;
+			if (rt700->jack_type == SND_JACK_HEADSET)
+				btn_type = rt700_button_detect(rt700);
+		} else if (rt700->jack_type == SND_JACK_HEADSET) {
+			/* jack is already in, report button event */
+			btn_type = rt700_button_detect(rt700);
+		}
+	} else {
+		/* jack out */
+		rt700->jack_type = 0;
+	}
+
+	dev_dbg(&rt700->slave->dev,
+		"in %s, jack_type=0x%x\n", __func__, rt700->jack_type);
+	dev_dbg(&rt700->slave->dev,
+		"in %s, btn_type=0x%x\n", __func__, btn_type);
+
+	snd_soc_jack_report(rt700->hs_jack, rt700->jack_type | btn_type,
+			SND_JACK_HEADSET |
+			SND_JACK_BTN_0 | SND_JACK_BTN_1 |
+			SND_JACK_BTN_2 | SND_JACK_BTN_3);
+
+	if (btn_type) {
+		/* button released */
+		snd_soc_jack_report(rt700->hs_jack, rt700->jack_type,
+			SND_JACK_HEADSET |
+			SND_JACK_BTN_0 | SND_JACK_BTN_1 |
+			SND_JACK_BTN_2 | SND_JACK_BTN_3);
+
+		mod_delayed_work(system_power_efficient_wq,
+			&rt700->jack_btn_check_work, msecs_to_jiffies(200));
+	}
+
+	return;
+
+io_error:
+	pr_err_ratelimited("IO error in %s, ret %d\n", __func__, ret);
+}
+
+static void rt700_btn_check_handler(struct work_struct *work)
+{
+	struct rt700_priv *rt700 = container_of(work, struct rt700_priv,
+		jack_btn_check_work.work);
+	int btn_type = 0, ret;
+	unsigned int jack_status = 0, reg;
+
+	reg = RT700_VERB_GET_PIN_SENSE | RT700_HP_OUT;
+	ret = regmap_read(rt700->regmap, reg, &jack_status);
+	if (ret < 0)
+		goto io_error;
+
+	/* pin attached */
+	if (jack_status & (1 << 31)) {
+		if (rt700->jack_type == SND_JACK_HEADSET) {
+			/* jack is already in, report button event */
+			btn_type = rt700_button_detect(rt700);
+		}
+	} else {
+		rt700->jack_type = 0;
+	}
+
+	/* cbj comparator */
+	ret = rt700_index_read(rt700->regmap, RT700_COMBO_JACK_AUTO_CTL2, &reg);
+	if (ret < 0)
+		goto io_error;
+
+	if ((reg & 0xf0) == 0xf0)
+		btn_type = 0;
+
+	dev_dbg(&rt700->slave->dev,
+		"%s, btn_type=0x%x\n",	__func__, btn_type);
+	snd_soc_jack_report(rt700->hs_jack, rt700->jack_type | btn_t