ASoC: rt700: add rt700 codec driver

This is the initial codec driver for rt700.

Signed-off-by: Shuming Fan <[e-mail]>
Tested-by: Pierre-Louis Bossart <[e-mail]>
Link: https://lore.kernel.org/r/[e-mail]
Signed-off-by: Mark Brown <[e-mail]>

sound/soc/codecs/Kconfig

···
 	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
···
 
 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

sound/soc/codecs/Makefile

···
 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
···
 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

sound/soc/codecs/rt700-sdw.c

···
+// 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 <[e-mail]>");
+MODULE_LICENSE("GPL v2");

sound/soc/codecs/rt700-sdw.h

···
+/* 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__ */

sound/soc/codecs/rt700.c

···
+// 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_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_jack_init(struct rt700_priv *rt700)
+{
+	struct snd_soc_dapm_context *dapm =
+		snd_soc_component_get_dapm(rt700->component);
+
+	/* power on */
+	if (dapm->bias_level <= SND_SOC_BIAS_STANDBY)
+		regmap_write(rt700->regmap,
+			RT700_SET_AUDIO_POWER_STATE, AC_PWRST_D0);
+
+	if (rt700->hs_jack) {
+		/* Enable Jack Detection */
+		regmap_write(rt700->regmap,
+			RT700_SET_MIC2_UNSOLICITED_ENABLE, 0x82);
+		regmap_write(rt700->regmap,
+			RT700_SET_HP_UNSOLICITED_ENABLE, 0x81);
+		regmap_write(rt700->regmap,
+			RT700_SET_INLINE_UNSOLICITED_ENABLE, 0x83);
+		rt700_index_write(rt700->regmap, 0x10, 0x2420);
+		rt700_index_write(rt700->regmap, 0x19, 0x2e11);
+
+		dev_dbg(&rt700->slave->dev, "in %s enable\n", __func__);
+
+		mod_delayed_work(system_power_efficient_wq,
+			&rt700->jack_detect_work, msecs_to_jiffies(250));
+	} else {
+		regmap_write(rt700->regmap,
+			RT700_SET_MIC2_UNSOLICITED_ENABLE, 0x00);
+		regmap_write(rt700->regmap,
+			RT700_SET_HP_UNSOLICITED_ENABLE, 0x00);
+		regmap_write(rt700->regmap,
+			RT700_SET_INLINE_UNSOLICITED_ENABLE, 0x00);
+
+		dev_dbg(&rt700->slave->dev, "in %s disable\n", __func__);
+	}
+
+	/* power off */
+	if (dapm->bias_level <= SND_SOC_BIAS_STANDBY)
+		regmap_write(rt700->regmap,
+			RT700_SET_AUDIO_POWER_STATE, AC_PWRST_D3);
+}
+
+static int rt700_set_jack_detect(struct snd_soc_component *component,
+	struct snd_soc_jack *hs_jack, void *data)
+{
+	struct rt700_priv *rt700 = snd_soc_component_get_drvdata(component);
+
+	rt700->hs_jack = hs_jack;
+
+	if (!rt700->hw_init) {
+		dev_dbg(&rt700->slave->dev,
+			"%s hw_init not ready yet\n", __func__);
+		return 0;
+	}
+
+	rt700_jack_init(rt700);
+
+	return 0;
+}
+
+static void rt700_get_gain(struct rt700_priv *rt700, unsigned int addr_h,
+				unsigned int addr_l, unsigned int val_h,
+				unsigned int *r_val, unsigned int *l_val)
+{
+	/* R Channel */
+	*r_val = (val_h << 8);
+	regmap_read(rt700->regmap, addr_l, r_val);
+
+	/* L Channel */
+	val_h |= 0x20;
+	*l_val = (val_h << 8);
+	regmap_read(rt700->regmap, addr_h, l_val);
+}
+
+/* For Verb-Set Amplifier Gain (Verb ID = 3h) */
+static int rt700_set_amp_gain_put(struct snd_kcontrol *kcontrol,
+		struct snd_ctl_elem_value *ucontrol)
+{
+	struct snd_soc_component *component = snd_kcontrol_chip(kcontrol);
+	struct snd_soc_dapm_context *dapm =
+		snd_soc_component_get_dapm(component);
+	struct soc_mixer_control *mc =
+		(struct soc_mixer_control *)kcontrol->private_value;
+	struct rt700_priv *rt700 = snd_soc_component_get_drvdata(component);
+	unsigned int addr_h, addr_l, val_h, val_ll, val_lr;
+	unsigned int read_ll, read_rl;
+	int i;
+
+	/* Can't use update bit function, so read the original value first */
+	addr_h = mc->reg;
+	addr_l = mc->rreg;
+	if (mc->shift == RT700_DIR_OUT_SFT) /* output */
+		val_h = 0x80;
+	else /* input */
+		val_h = 0x0;
+
+	rt700_get_gain(rt700, addr_h, addr_l, val_h, &read_rl, &read_ll);
+
+	/* L Channel */
+	if (mc->invert) {
+		/* for mute */
+		val_ll = (mc->max - ucontrol->value.integer.value[0]) << 7;
+		/* keep gain */
+		read_ll = read_ll & 0x7f;
+		val_ll |= read_ll;
+	} else {
+		/* for gain */
+		val_ll = ((ucontrol->value.integer.value[0]) & 0x7f);
+		if (val_ll > mc->max)
+			val_ll = mc->max;
+		/* keep mute status */
+		read_ll = read_ll & 0x80;
+		val_ll |= read_ll;
+	}
+
+	if (dapm->bias_level <= SND_SOC_BIAS_STANDBY)
+		regmap_write(rt700->regmap,
+				RT700_SET_AUDIO_POWER_STATE, AC_PWRST_D0);
+
+	/* R Channel */
+	if (mc->invert) {
+		/* for mute */
+		val_lr = (mc->max - ucontrol->value.integer.value[1]) << 7;
+		/* keep gain */
+		read_rl = read_rl & 0x7f;
+		val_lr |= read_rl;
+	} else {
+		/* for gain */
+		val_lr = ((ucontrol->value.integer.value[1]) & 0x7f);
+		if (val_lr > mc->max)
+			val_lr = mc->max;
+		/* keep mute status */
+		read_rl = read_rl & 0x80;
+		val_lr |= read_rl;
+	}
+
+	for (i = 0; i < 3; i++) { /* retry 3 times at most */
+		if (val_ll == val_lr) {
+			/* Set both L/R channels at the same time */
+			val_h = (1 << mc->shift) | (3 << 4);
+			regmap_write(rt700->regmap,
+				addr_h, (val_h << 8 | val_ll));
+			regmap_write(rt700->regmap,
+				addr_l, (val_h << 8 | val_ll));
+		} else {
+			/* Lch*/
+			val_h = (1 << mc->shift) | (1 << 5);
+			regmap_write(rt700->regmap,
+				addr_h, (val_h << 8 | val_ll));
+
+			/* Rch */
+			val_h = (1 << mc->shift) | (1 << 4);
+			regmap_write(rt700->regmap,
+				addr_l, (val_h << 8 | val_lr));
+		}
+		/* check result */
+		if (mc->shift == RT700_DIR_OUT_SFT) /* output */
+			val_h = 0x80;
+		else /* input */
+			val_h = 0x0;
+
+		rt700_get_gain(rt700, addr_h, addr_l, val_h,
+					&read_rl, &read_ll);
+		if (read_rl == val_lr && read_ll == val_ll)
+			break;
+	}
+
+	if (dapm->bias_level <= SND_SOC_BIAS_STANDBY)
+		regmap_write(rt700->regmap,
+				RT700_SET_AUDIO_POWER_STATE, AC_PWRST_D3);
+	return 0;
+}
+
+static int rt700_set_amp_gain_get(struct snd_kcontrol *kcontrol,
+		struct snd_ctl_elem_value *ucontrol)
+{
+	struct snd_soc_component *component = snd_kcontrol_chip(kcontrol);
+	struct rt700_priv *rt700 = snd_soc_component_get_drvdata(component);
+	struct soc_mixer_control *mc =
+		(struct soc_mixer_control *)kcontrol->private_value;
+	unsigned int addr_h, addr_l, val_h;
+	unsigned int read_ll, read_rl;
+
+	addr_h = mc->reg;
+	addr_l = mc->rreg;
+	if (mc->shift == RT700_DIR_OUT_SFT) /* output */
+		val_h = 0x80;
+	else /* input */
+		val_h = 0x0;
+
+	rt700_get_gain(rt700, addr_h, addr_l, val_h, &read_rl, &read_ll);
+
+	if (mc->invert) {
+		/* for mute status */
+		read_ll = !((read_ll & 0x80) >> RT700_MUTE_SFT);
+		read_rl = !((read_rl & 0x80) >> RT700_MUTE_SFT);
+	} else {
+		/* for gain */
+		read_ll = read_ll & 0x7f;
+		read_rl = read_rl & 0x7f;
+	}
+	ucontrol->value.integer.value[0] = read_ll;
+	ucontrol->value.integer.value[1] = read_rl;
+
+	return 0;
+}
+
+static const DECLARE_TLV_DB_SCALE(out_vol_tlv, -6525, 75, 0);
+static const DECLARE_TLV_DB_SCALE(in_vol_tlv, -1725, 75, 0);
+static const DECLARE_TLV_DB_SCALE(mic_vol_tlv, 0, 1000, 0);
+
+static const struct snd_kcontrol_new rt700_snd_controls[] = {
+	SOC_DOUBLE_R_EXT_TLV("DAC Front Playback Volume",
+		RT700_SET_GAIN_DAC1_H, RT700_SET_GAIN_DAC1_L,
+		RT700_DIR_OUT_SFT, 0x57, 0,
+		rt700_set_amp_gain_get, rt700_set_amp_gain_put, out_vol_tlv),
+	SOC_DOUBLE_R_EXT("ADC 08 Capture Switch",
+		RT700_SET_GAIN_ADC2_H, RT700_SET_GAIN_ADC2_L,
+		RT700_DIR_IN_SFT, 1, 1,
+		rt700_set_amp_gain_get, rt700_set_amp_gain_put),
+	SOC_DOUBLE_R_EXT("ADC 09 Capture Switch",
+		RT700_SET_GAIN_ADC1_H,	RT700_SET_GAIN_ADC1_L,
+		RT700_DIR_IN_SFT, 1, 1,
+		rt700_set_amp_gain_get, rt700_set_amp_gain_put),
+	SOC_DOUBLE_R_EXT_TLV("ADC 08 Capture Volume",
+		RT700_SET_GAIN_ADC2_H,	RT700_SET_GAIN_ADC2_L,
+		RT700_DIR_IN_SFT, 0x3f, 0,
+		rt700_set_amp_gain_get, rt700_set_amp_gain_put, in_vol_tlv),
+	SOC_DOUBLE_R_EXT_TLV("ADC 09 Capture Volume",
+		RT700_SET_GAIN_ADC1_H, RT700_SET_GAIN_ADC1_L,
+		RT700_DIR_IN_SFT, 0x3f, 0,
+		rt700_set_amp_gain_get, rt700_set_amp_gain_put, in_vol_tlv),
+	SOC_DOUBLE_R_EXT_TLV("AMIC Volume",
+		RT700_SET_GAIN_AMIC_H,	RT700_SET_GAIN_AMIC_L,
+		RT700_DIR_IN_SFT, 3, 0,
+		rt700_set_amp_gain_get, rt700_set_amp_gain_put, mic_vol_tlv),
+};
+
+static int rt700_mux_get(struct snd_kcontrol *kcontrol,
+			struct snd_ctl_elem_value *ucontrol)
+{
+	struct snd_soc_component *component =
+		snd_soc_dapm_kcontrol_component(kcontrol);
+	struct rt700_priv *rt700 = snd_soc_component_get_drvdata(component);
+	unsigned int reg, val = 0, nid;
+	int ret;
+
+	if (strstr(ucontrol->id.name, "HPO Mux"))
+		nid = RT700_HP_OUT;
+	else if (strstr(ucontrol->id.name, "ADC 22 Mux"))
+		nid = RT700_MIXER_IN1;
+	else if (strstr(ucontrol->id.name, "ADC 23 Mux"))
+		nid = RT700_MIXER_IN2;
+	else
+		return -EINVAL;
+
+	/* vid = 0xf01 */
+	reg = RT700_VERB_SET_CONNECT_SEL | nid;
+	ret = regmap_read(rt700->regmap, reg, &val);
+	if (ret < 0)
+		return ret;
+
+	ucontrol->value.enumerated.item[0] = val;
+
+	return 0;
+}
+
+static int rt700_mux_put(struct snd_kcontrol *kcontrol,
+			struct snd_ctl_elem_value *ucontrol)
+{
+	struct snd_soc_component *component =
+		snd_soc_dapm_kcontrol_component(kcontrol);
+	struct snd_soc_dapm_context *dapm =
+		snd_soc_dapm_kcontrol_dapm(kcontrol);
+	struct rt700_priv *rt700 = snd_soc_component_get_drvdata(component);
+	struct soc_enum *e = (struct soc_enum *)kcontrol->private_value;
+	unsigned int *item = ucontrol->value.enumerated.item;
+	unsigned int val, val2 = 0, change, reg, nid;
+	int ret;
+
+	if (item[0] >= e->items)
+		return -EINVAL;
+
+	if (strstr(ucontrol->id.name, "HPO Mux"))
+		nid = RT700_HP_OUT;
+	else if (strstr(ucontrol->id.name, "ADC 22 Mux"))
+		nid = RT700_MIXER_IN1;
+	else if (strstr(ucontrol->id.name, "ADC 23 Mux"))
+		nid = RT700_MIXER_IN2;
+	else
+		return -EINVAL;
+
+	/* Verb ID = 0x701h */
+	val = snd_soc_enum_item_to_val(e, item[0]) << e->shift_l;
+
+	reg = RT700_VERB_SET_CONNECT_SEL | nid;
+	ret = regmap_read(rt700->regmap, reg, &val2);
+	if (ret < 0)
+		return ret;
+
+	if (val == val2)
+		change = 0;
+	else
+		change = 1;
+
+	if (change) {
+		reg = RT700_VERB_SET_CONNECT_SEL | nid;
+		regmap_write(rt700->regmap, reg, val);
+	}
+
+	snd_soc_dapm_mux_update_power(dapm, kcontrol,
+						item[0], e, NULL);
+
+	return change;
+}
+
+static const char * const adc_mux_text[] = {
+	"MIC2",
+	"LINE1",
+	"LINE2",
+	"DMIC",
+};
+
+static SOC_ENUM_SINGLE_DECL(
+	rt700_adc22_enum, SND_SOC_NOPM, 0, adc_mux_text);
+
+static SOC_ENUM_SINGLE_DECL(
+	rt700_adc23_enum, SND_SOC_NOPM, 0, adc_mux_text);
+
+static const struct snd_kcontrol_new rt700_adc22_mux =
+	SOC_DAPM_ENUM_EXT("ADC 22 Mux", rt700_adc22_enum,
+			rt700_mux_get, rt700_mux_put);
+
+static const struct snd_kcontrol_new rt700_adc23_mux =
+	SOC_DAPM_ENUM_EXT("ADC 23 Mux", rt700_adc23_enum,
+			rt700_mux_get, rt700_mux_put);
+
+static const char * const out_mux_text[] = {
+	"Front",
+	"Surround",
+};
+
+static SOC_ENUM_SINGLE_DECL(
+	rt700_hp_enum, SND_SOC_NOPM, 0, out_mux_text);
+
+static const struct snd_kcontrol_new rt700_hp_mux =
+	SOC_DAPM_ENUM_EXT("HP Mux", rt700_hp_enum,
+			rt700_mux_get, rt700_mux_put);
+
+static int rt700_dac_front_event(struct snd_soc_dapm_widget *w,
+	struct snd_kcontrol *kcontrol, int event)
+{
+	struct snd_soc_component *component =
+		snd_soc_dapm_to_component(w->dapm);
+	struct rt700_priv *rt700 = snd_soc_component_get_drvdata(component);
+
+	switch (event) {
+	case SND_SOC_DAPM_POST_PMU:
+		regmap_write(rt700->regmap,
+			RT700_SET_STREAMID_DAC1, 0x10);
+		break;
+	case SND_SOC_DAPM_PRE_PMD:
+		regmap_write(rt700->regmap,
+			RT700_SET_STREAMID_DAC1, 0x00);
+		break;
+	}
+	return 0;
+}
+
+static int rt700_dac_surround_event(struct snd_soc_dapm_widget *w,
+	struct snd_kcontrol *kcontrol, int event)
+{
+	struct snd_soc_component *component =
+		snd_soc_dapm_to_component(w->dapm);
+	struct rt700_priv *rt700 = snd_soc_component_get_drvdata(component);
+
+	switch (event) {
+	case SND_SOC_DAPM_POST_PMU:
+		regmap_write(rt700->regmap,
+			RT700_SET_STREAMID_DAC2, 0x10);
+		break;
+	case SND_SOC_DAPM_PRE_PMD:
+		regmap_write(rt700->regmap,
+			RT700_SET_STREAMID_DAC2, 0x00);
+		break;
+	}
+	return 0;
+}
+
+static int rt700_adc_09_event(struct snd_soc_dapm_widget *w,
+	struct snd_kcontrol *kcontrol, int event)
+{
+	struct snd_soc_component *component =
+		snd_soc_dapm_to_component(w->dapm);
+	struct rt700_priv *rt700 = snd_soc_component_get_drvdata(component);
+
+	switch (event) {
+	case SND_SOC_DAPM_POST_PMU:
+		regmap_write(rt700->regmap,
+			RT700_SET_STREAMID_ADC1, 0x10);
+		break;
+	case SND_SOC_DAPM_PRE_PMD:
+		regmap_write(rt700->regmap,
+			RT700_SET_STREAMID_ADC1, 0x00);
+		break;
+	}
+	return 0;
+}
+
+static int rt700_adc_08_event(struct snd_soc_dapm_widget *w,
+	struct snd_kcontrol *kcontrol, int event)
+{
+	struct snd_soc_component *component =
+		snd_soc_dapm_to_component(w->dapm);
+	struct rt700_priv *rt700 = snd_soc_component_get_drvdata(component);
+
+	switch (event) {
+	case SND_SOC_DAPM_POST_PMU:
+		regmap_write(rt700->regmap,
+			RT700_SET_STREAMID_ADC2, 0x10);
+		break;
+	case SND_SOC_DAPM_PRE_PMD:
+		regmap_write(rt700->regmap,
+			RT700_SET_STREAMID_ADC2, 0x00);
+		break;
+	}
+	return 0;
+}
+
+static int rt700_hpo_mux_event(struct snd_soc_dapm_widget *w,
+	struct snd_kcontrol *kcontrol, int event)
+{
+	struct snd_soc_component *component =
+		snd_soc_dapm_to_component(w->dapm);
+	struct rt700_priv *rt700 = snd_soc_component_get_drvdata(component);
+	unsigned int val_h = (1 << RT700_DIR_OUT_SFT) | (0x3 << 4);
+	unsigned int val_l;
+
+	switch (event) {
+	case SND_SOC_DAPM_POST_PMU:
+		val_l = 0x00;
+		regmap_write(rt700->regmap,
+			RT700_SET_GAIN_HP_H, (val_h << 8 | val_l));
+		break;
+	case SND_SOC_DAPM_PRE_PMD:
+		val_l = (1 << RT700_MUTE_SFT);
+		regmap_write(rt700->regmap,
+			RT700_SET_GAIN_HP_H, (val_h << 8 | val_l));
+		usleep_range(50000, 55000);
+		break;
+	}
+	return 0;
+}
+
+static int rt700_spk_pga_event(struct snd_soc_dapm_widget *w,
+	struct snd_kcontrol *kcontrol, int event)
+{
+	struct snd_soc_component *component =
+		snd_soc_dapm_to_component(w->dapm);
+	struct rt700_priv *rt700 = snd_soc_component_get_drvdata(component);
+	unsigned int val_h = (1 << RT700_DIR_OUT_SFT) | (0x3 << 4);
+	unsigned int val_l;
+
+	switch (event) {
+	case SND_SOC_DAPM_POST_PMU:
+		val_l = 0x00;
+		regmap_write(rt700->regmap,
+			RT700_SET_GAIN_SPK_H, (val_h << 8 | val_l));
+		break;
+	case SND_SOC_DAPM_PRE_PMD:
+		val_l = (1 << RT700_MUTE_SFT);
+		regmap_write(rt700->regmap,
+			RT700_SET_GAIN_SPK_H, (val_h << 8 | val_l));
+		break;
+	}
+	return 0;
+}
+
+static const struct snd_soc_dapm_widget rt700_dapm_widgets[] = {
+	SND_SOC_DAPM_OUTPUT("HP"),
+	SND_SOC_DAPM_OUTPUT("SPK"),
+	SND_SOC_DAPM_INPUT("DMIC1"),
+	SND_SOC_DAPM_INPUT("DMIC2"),
+	SND_SOC_DAPM_INPUT("MIC2"),
+	SND_SOC_DAPM_INPUT("LINE1"),
+	SND_SOC_DAPM_INPUT("LINE2"),
+	SND_SOC_DAPM_DAC_E("DAC Front", NULL, SND_SOC_NOPM, 0, 0,
+		rt700_dac_front_event,
+		SND_SOC_DAPM_POST_PMU | SND_SOC_DAPM_PRE_PMD),
+	SND_SOC_DAPM_DAC_E("DAC Surround", NULL, SND_SOC_NOPM, 0, 0,
+		rt700_dac_surround_event,
+		SND_SOC_DAPM_POST_PMU | SND_SOC_DAPM_PRE_PMD),
+	SND_SOC_DAPM_MUX_E("HPO Mux", SND_SOC_NOPM, 0, 0, &rt700_hp_mux,
+		rt700_hpo_mux_event,
+		SND_SOC_DAPM_POST_PMU | SND_SOC_DAPM_PRE_PMD),
+	SND_SOC_DAPM_PGA_E("SPK PGA", SND_SOC_NOPM, 0, 0, NULL, 0,
+		rt700_spk_pga_event,
+		SND_SOC_DAPM_POST_PMU | SND_SOC_DAPM_PRE_PMD),
+	SND_SOC_DAPM_ADC_E("ADC 09", NULL, SND_SOC_NOPM, 0, 0,
+		rt700_adc_09_event,
+		SND_SOC_DAPM_POST_PMU | SND_SOC_DAPM_PRE_PMD),
+	SND_SOC_DAPM_ADC_E("ADC 08", NULL, SND_SOC_NOPM, 0, 0,
+		rt700_adc_08_event,
+		SND_SOC_DAPM_POST_PMU | SND_SOC_DAPM_PRE_PMD),
+	SND_SOC_DAPM_MUX("ADC 22 Mux", SND_SOC_NOPM, 0, 0,
+		&rt700_adc22_mux),
+	SND_SOC_DAPM_MUX("ADC 23 Mux", SND_SOC_NOPM, 0, 0,
+		&rt700_adc23_mux),
+	SND_SOC_DAPM_AIF_IN("DP1RX", "DP1 Playback", 0, SND_SOC_NOPM, 0, 0),
+	SND_SOC_DAPM_AIF_IN("DP3RX", "DP3 Playback", 0, SND_SOC_NOPM, 0, 0),
+	SND_SOC_DAPM_AIF_OUT("DP2TX", "DP2 Capture", 0, SND_SOC_NOPM, 0, 0),
+	SND_SOC_DAPM_AIF_OUT("DP4TX", "DP4 Capture", 0, SND_SOC_NOPM, 0, 0),
+};
+
+static const struct snd_soc_dapm_route rt700_audio_map[] = {
+	{"DAC Front", NULL, "DP1RX"},
+	{"DAC Surround", NULL, "DP3RX"},
+	{"DP2TX", NULL, "ADC 09"},
+	{"DP4TX", NULL, "ADC 08"},
+	{"ADC 09", NULL, "ADC 22 Mux"},
+	{"ADC 08", NULL, "ADC 23 Mux"},
+	{"ADC 22 Mux", "DMIC", "DMIC1"},
+	{"ADC 22 Mux", "LINE1", "LINE1"},
+	{"ADC 22 Mux", "LINE2", "LINE2"},
+	{"ADC 22 Mux", "MIC2", "MIC2"},
+	{"ADC 23 Mux", "DMIC", "DMIC2"},
+	{"ADC 23 Mux", "LINE1", "LINE1"},
+	{"ADC 23 Mux", "LINE2", "LINE2"},
+	{"ADC 23 Mux", "MIC2", "MIC2"},
+	{"HPO Mux", "Front", "DAC Front"},
+	{"HPO Mux", "Surround", "DAC Surround"},
+	{"HP", NULL, "HPO Mux"},
+	{"SPK PGA", NULL, "DAC Front"},
+	{"SPK", NULL, "SPK PGA"},
+};
+
+static int rt700_probe(struct snd_soc_component *component)
+{
+	struct rt700_priv *rt700 = snd_soc_component_get_drvdata(component);
+
+	rt700->component = component;
+
+	return 0;
+}
+
+static int rt700_set_bias_level(struct snd_soc_component *component,
+				enum snd_soc_bias_level level)
+{
+	struct snd_soc_dapm_context *dapm =
+		snd_soc_component_get_dapm(component);
+	struct rt700_priv *rt700 = snd_soc_component_get_drvdata(component);
+
+	switch (level) {
+	case SND_SOC_BIAS_PREPARE:
+		if (dapm->bias_level == SND_SOC_BIAS_STANDBY) {
+			regmap_write(rt700->regmap,
+				RT700_SET_AUDIO_POWER_STATE,
+				AC_PWRST_D0);
+		}
+		break;
+
+	case SND_SOC_BIAS_STANDBY:
+		regmap_write(rt700->regmap,
+			RT700_SET_AUDIO_POWER_STATE,
+			AC_PWRST_D3);
+		break;
+
+	default:
+		break;
+	}
+	dapm->bias_level = level;
+	return 0;
+}
+
+static const struct snd_soc_component_driver soc_codec_dev_rt700 = {
+	.probe = rt700_probe,
+	.set_bias_level = rt700_set_bias_level,
+	.controls = rt700_snd_controls,
+	.num_controls = ARRAY_SIZE(rt700_snd_controls),
+	.dapm_widgets = rt700_dapm_widgets,
+	.num_dapm_widgets = ARRAY_SIZE(rt700_dapm_widgets),
+	.dapm_routes = rt700_audio_map,
+	.num_dapm_routes = ARRAY_SIZE(rt700_audio_map),
+	.set_jack = rt700_set_jack_detect,
+};
+
+static int rt700_set_sdw_stream(struct snd_soc_dai *dai, void *sdw_stream,
+				int direction)
+{
+	struct sdw_stream_data *stream;
+
+	stream = kzalloc(sizeof(*stream), GFP_KERNEL);
+	if (!stream)
+		return -ENOMEM;
+
+	stream->sdw_stream = (struct sdw_stream_runtime *)sdw_stream;
+
+	/* Use tx_mask or rx_mask to configure stream tag and set dma_data */
+	if (direction == SNDRV_PCM_STREAM_PLAYBACK)
+		dai->playback_dma_data = stream;
+	else
+		dai->capture_dma_data = stream;
+
+	return 0;
+}
+
+static void rt700_shutdown(struct snd_pcm_substream *substream,
+				struct snd_soc_dai *dai)
+{
+	struct sdw_stream_data *stream;
+
+	stream = snd_soc_dai_get_dma_data(dai, substream);
+	snd_soc_dai_set_dma_data(dai, substream, NULL);
+	kfree(stream);
+}
+
+static int rt700_pcm_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 rt700_priv *rt700 = snd_soc_component_get_drvdata(component);
+	struct sdw_stream_config stream_config;
+	struct sdw_port_config port_config;
+	enum sdw_data_direction direction;
+	struct sdw_stream_data *stream;
+	int retval, port, num_channels;
+	unsigned int val = 0;
+
+	dev_dbg(dai->dev, "%s %s", __func__, dai->name);
+	stream = snd_soc_dai_get_dma_data(dai, substream);
+
+	if (!stream)
+		return -EINVAL;
+
+	if (!rt700->slave)
+		return -EINVAL;
+
+	/* SoundWire specific configuration */
+	/* This code assumes port 1 for playback and port 2 for capture */
+	if (substream->stream == SNDRV_PCM_STREAM_PLAYBACK) {
+		direction = SDW_DATA_DIR_RX;
+		port = 1;
+	} else {
+		direction = SDW_DATA_DIR_TX;
+		port = 2;
+	}
+
+	switch (dai->id) {
+	case RT700_AIF1:
+		break;
+	case RT700_AIF2:
+		port += 2;
+		break;
+	default:
+		dev_err(component->dev, "Invalid DAI id %d\n", dai->id);
+		return -EINVAL;
+	}
+
+	stream_config.frame_rate = params_rate(params);
+	stream_config.ch_count = params_channels(params);
+	stream_config.bps = snd_pcm_format_width(params_format(params));
+	stream_config.direction = direction;
+
+	num_channels = params_channels(params);
+	port_config.ch_mask = (1 << (num_channels)) - 1;
+	port_config.num = port;
+
+	retval = sdw_stream_add_slave(rt700->slave, &stream_config,
+					&port_config, 1, stream->sdw_stream);
+	if (retval) {
+		dev_err(dai->dev, "Unable to configure port\n");
+		return retval;
+	}
+
+	if (params_channels(params) <= 16) {
+		/* bit 3:0 Number of Channel */
+		val |= (params_channels(params) - 1);
+	} else {
+		dev_err(component->dev, "Unsupported channels %d\n",
+			params_channels(params));
+		return -EINVAL;
+	}
+
+	switch (params_width(params)) {
+	/* bit 6:4 Bits per Sample */
+	case 8:
+		break;
+	case 16:
+		val |= (0x1 << 4);
+		break;
+	case 20:
+		val |= (0x2 << 4);
+		break;
+	case 24:
+		val |= (0x3 << 4);
+		break;
+	case 32:
+		val |= (0x4 << 4);
+		break;
+	default:
+		return -EINVAL;
+	}
+
+	/* 48Khz */
+	regmap_write(rt700->regmap, RT700_DAC_FORMAT_H, val);
+	regmap_write(rt700->regmap, RT700_ADC_FORMAT_H, val);
+
+	return retval;
+}
+
+static int rt700_pcm_hw_free(struct snd_pcm_substream *substream,
+				struct snd_soc_dai *dai)
+{
+	struct snd_soc_component *component = dai->component;
+	struct rt700_priv *rt700 = snd_soc_component_get_drvdata(component);
+	struct sdw_stream_data *stream =
+		snd_soc_dai_get_dma_data(dai, substream);
+
+	if (!rt700->slave)
+		return -EINVAL;
+
+	sdw_stream_remove_slave(rt700->slave, stream->sdw_stream);
+	return 0;
+}
+
+#define RT700_STEREO_RATES (SNDRV_PCM_RATE_44100 | SNDRV_PCM_RATE_48000)
+#define RT700_FORMATS (SNDRV_PCM_FMTBIT_S16_LE | SNDRV_PCM_FMTBIT_S20_3LE | \
+			SNDRV_PCM_FMTBIT_S24_LE | SNDRV_PCM_FMTBIT_S8)
+
+static struct snd_soc_dai_ops rt700_ops = {
+	.hw_params	= rt700_pcm_hw_params,
+	.hw_free	= rt700_pcm_hw_free,
+	.set_sdw_stream	= rt700_set_sdw_stream,
+	.shutdown	= rt700_shutdown,
+};
+
+static struct snd_soc_dai_driver rt700_dai[] = {
+	{
+		.name = "rt700-aif1",
+		.id = RT700_AIF1,
+		.playback = {
+			.stream_name = "DP1 Playback",
+			.channels_min = 1,
+			.channels_max = 2,
+			.rates = RT700_STEREO_RATES,
+			.formats = RT700_FORMATS,
+		},
+		.capture = {
+			.stream_name = "DP2 Capture",
+			.channels_min = 1,
+			.channels_max = 2,
+			.rates = RT700_STEREO_RATES,
+			.formats = RT700_FORMATS,
+		},
+		.ops = &rt700_ops,
+	},
+	{
+		.name = "rt700-aif2",
+		.id = RT700_AIF2,
+		.playback = {
+			.stream_name = "DP3 Playback",
+			.channels_min = 1,
+			.channels_max = 2,
+			.rates = RT700_STEREO_RATES,
+			.formats = RT700_FORMATS,
+		},
+		.capture = {
+			.stream_name = "DP4 Capture",
+			.channels_min = 1,
+			.channels_max = 2,
+			.rates = RT700_STEREO_RATES,
+			.formats = RT700_FORMATS,
+		},
+		.ops = &rt700_ops,
+	},
+};
+
+/* Bus clock frequency */
+#define RT700_CLK_FREQ_9600000HZ 9600000
+#define RT700_CLK_FREQ_12000000HZ 12000000
+#define RT700_CLK_FREQ_6000000HZ 6000000
+#define RT700_CLK_FREQ_4800000HZ 4800000
+#define RT700_CLK_FREQ_2400000HZ 2400000
+#define RT700_CLK_FREQ_12288000HZ 12288000
+
+int rt700_clock_config(struct device *dev)
+{
+	struct rt700_priv *rt700 = dev_get_drvdata(dev);
+	unsigned int clk_freq, value;
+
+	clk_freq = (rt700->params.curr_dr_freq >> 1);
+
+	switch (clk_freq) {
+	case RT700_CLK_FREQ_12000000HZ:
+		value = 0x0;
+		break;
+	case RT700_CLK_FREQ_6000000HZ:
+		value = 0x1;
+		break;
+	case RT700_CLK_FREQ_9600000HZ:
+		value = 0x2;
+		break;
+	case RT700_CLK_FREQ_4800000HZ:
+		value = 0x3;
+		break;
+	case RT700_CLK_FREQ_2400000HZ:
+		value = 0x4;
+		break;
+	case RT700_CLK_FREQ_12288000HZ:
+		value = 0x5;
+		break;
+	default:
+		return -EINVAL;
+	}
+
+	regmap_write(rt700->regmap, 0xe0, value);
+	regmap_write(rt700->regmap, 0xf0, value);
+
+	dev_dbg(dev, "%s complete, clk_freq=%d\n", __func__, clk_freq);
+
+	return 0;
+}
+
+int rt700_init(struct device *dev, struct regmap *sdw_regmap,
+			struct regmap *regmap, struct sdw_slave *slave)
+
+{
+	struct rt700_priv *rt700;
+	int ret;
+
+	rt700 = devm_kzalloc(dev, sizeof(*rt700), GFP_KERNEL);
+	if (!rt700)
+		return -ENOMEM;
+
+	dev_set_drvdata(dev, rt700);
+	rt700->slave = slave;
+	rt700->sdw_regmap = sdw_regmap;
+	rt700->regmap = regmap;
+
+	/*
+	 * Mark hw_init to false
+	 * HW init will be performed when device reports present
+	 */
+	rt700->hw_init = false;
+	rt700->first_hw_init = false;
+
+	ret =  devm_snd_soc_register_component(dev,
+				&soc_codec_dev_rt700,
+				rt700_dai,
+				ARRAY_SIZE(rt700_dai));
+
+	dev_dbg(&slave->dev, "%s\n", __func__);
+
+	return ret;
+}
+
+int rt700_io_init(struct device *dev, struct sdw_slave *slave)
+{
+	struct rt700_priv *rt700 = dev_get_drvdata(dev);
+
+	if (rt700->hw_init)
+		return 0;
+
+	if (rt700->first_hw_init) {
+		regcache_cache_only(rt700->regmap, false);
+		regcache_cache_bypass(rt700->regmap, true);
+	}
+
+	/*
+	 * PM runtime is only enabled when a Slave reports as Attached
+	 */
+	if (!rt700->first_hw_init) {
+		/* set autosuspend parameters */
+		pm_runtime_set_autosuspend_delay(&slave->dev, 3000);
+		pm_runtime_use_autosuspend(&slave->dev);
+
+		/* update count of parent 'active' children */
+		pm_runtime_set_active(&slave->dev);
+
+		/* make sure the device does not suspend immediately */
+		pm_runtime_mark_last_busy(&slave->dev);
+
+		pm_runtime_enable(&slave->dev);
+	}
+
+	pm_runtime_get_noresume(&slave->dev);
+
+	/* reset */
+	regmap_write(rt700->regmap, 0xff01, 0x0000);
+	regmap_write(rt700->regmap, 0x7520, 0x001a);
+	regmap_write(rt700->regmap, 0x7420, 0xc003);
+
+	/* power on */
+	regmap_write(rt700->regmap, RT700_SET_AUDIO_POWER_STATE, AC_PWRST_D0);
+	/* Set Pin Widget */
+	regmap_write(rt700->regmap, RT700_SET_PIN_HP, 0x40);
+	regmap_write(rt700->regmap, RT700_SET_PIN_SPK, 0x40);
+	regmap_write(rt700->regmap, RT700_SET_EAPD_SPK, RT700_EAPD_HIGH);
+	regmap_write(rt700->regmap, RT700_SET_PIN_DMIC1, 0x20);
+	regmap_write(rt700->regmap, RT700_SET_PIN_DMIC2, 0x20);
+	regmap_write(rt700->regmap, RT700_SET_PIN_MIC2, 0x20);
+
+	/* Set Configuration Default */
+	regmap_write(rt700->regmap, 0x4f12, 0x91);
+	regmap_write(rt700->regmap, 0x4e12, 0xd6);
+	regmap_write(rt700->regmap, 0x4d12, 0x11);
+	regmap_write(rt700->regmap, 0x4c12, 0x20);
+	regmap_write(rt700->regmap, 0x4f13, 0x91);
+	regmap_write(rt700->regmap, 0x4e13, 0xd6);
+	regmap_write(rt700->regmap, 0x4d13, 0x11);
+	regmap_write(rt700->regmap, 0x4c13, 0x21);
+
+	regmap_write(rt700->regmap, 0x4f19, 0x02);
+	regmap_write(rt700->regmap, 0x4e19, 0xa1);
+	regmap_write(rt700->regmap, 0x4d19, 0x90);
+	regmap_write(rt700->regmap, 0x4c19, 0x80);
+
+	/* Enable Line2 */
+	regmap_write(rt700->regmap,  0x371b, 0x40);
+	regmap_write(rt700->regmap,  0x731b, 0xb0);
+	regmap_write(rt700->regmap,  0x839b, 0x00);
+
+	/* Set index */
+	rt700_index_write(rt700->regmap, 0x4a, 0x201b);
+	rt700_index_write(rt700->regmap, 0x45, 0x5089);
+	rt700_index_write(rt700->regmap, 0x6b, 0x5064);
+	rt700_index_write(rt700->regmap, 0x48, 0xd249);
+
+	/* Finish Initial Settings, set power to D3 */
+	regmap_write(rt700->regmap, RT700_SET_AUDIO_POWER_STATE, AC_PWRST_D3);
+
+	if (!rt700->first_hw_init) {
+		INIT_DELAYED_WORK(&rt700->jack_detect_work,
+			rt700_jack_detect_handler);
+		INIT_DELAYED_WORK(&rt700->jack_btn_check_work,
+			rt700_btn_check_handler);
+	}
+
+	/*
+	 * if set_jack callback occurred early than io_init,
+	 * we set up the jack detection function now
+	 */
+	if (rt700->hs_jack)
+		rt700_jack_init(rt700);
+
+	if (rt700->first_hw_init) {
+		regcache_cache_bypass(rt700->regmap, false);
+		regcache_mark_dirty(rt700->regmap);
+	} else
+		rt700->first_hw_init = true;
+
+	/* Mark Slave initialization complete */
+	rt700->hw_init = true;
+
+	pm_runtime_mark_last_busy(&slave->dev);
+	pm_runtime_put_autosuspend(&slave->dev);
+
+	dev_dbg(&slave->dev, "%s hw_init complete\n", __func__);
+
+	return 0;
+}
+
+MODULE_DESCRIPTION("ASoC RT700 driver SDW");
+MODULE_AUTHOR("Shuming Fan <[e-mail]>");
+MODULE_LICENSE("GPL v2");

sound/soc/codecs/rt700.h

···
+/* SPDX-License-Identifier: GPL-2.0 */
+/*
+ * rt700.h -- RT700 ALSA SoC audio driver header
+ *
+ * Copyright(c) 2019 Realtek Semiconductor Corp.
+ */
+
+#ifndef __RT700_H__
+#define __RT700_H__
+
+extern const struct dev_pm_ops rt700_runtime_pm;
+
+struct  rt700_priv {
+	struct snd_soc_component *component;
+	struct regmap *regmap;
+	struct regmap *sdw_regmap;
+	struct sdw_slave *slave;
+	enum sdw_slave_status status;
+	struct sdw_bus_params params;
+	bool hw_init;
+	bool first_hw_init;
+	struct snd_soc_jack *hs_jack;
+	struct delayed_work jack_detect_work;
+	struct delayed_work jack_btn_check_work;
+	int jack_type;
+};
+
+struct sdw_stream_data {
+	struct sdw_stream_runtime *sdw_stream;
+};
+
+/* NID */
+#define RT700_AUDIO_FUNCTION_GROUP			0x01
+#define RT700_DAC_OUT1					0x02
+#define RT700_DAC_OUT2					0x03
+#define RT700_ADC_IN1					0x09
+#define RT700_ADC_IN2					0x08
+#define RT700_DMIC1					0x12
+#define RT700_DMIC2					0x13
+#define RT700_SPK_OUT					0x14
+#define RT700_MIC2					0x19
+#define RT700_LINE1					0x1a
+#define RT700_LINE2					0x1b
+#define RT700_BEEP					0x1d
+#define RT700_SPDIF					0x1e
+#define RT700_VENDOR_REGISTERS				0x20
+#define RT700_HP_OUT					0x21
+#define RT700_MIXER_IN1					0x22
+#define RT700_MIXER_IN2					0x23
+#define RT700_INLINE_CMD				0x55
+
+/* Index (NID:20h) */
+#define RT700_DAC_DC_CALI_CTL1				0x00
+#define RT700_PARA_VERB_CTL				0x1a
+#define RT700_COMBO_JACK_AUTO_CTL1				0x45
+#define RT700_COMBO_JACK_AUTO_CTL2				0x46
+#define RT700_INLINE_CMD_CTL				0x48
+#define RT700_DIGITAL_MISC_CTRL4			0x4a
+#define RT700_VREFOUT_CTL				0x6b
+#define RT700_FSM_CTL				0x6f
+#define RT700_IRQ_FLAG_TABLE1				0x80
+#define RT700_IRQ_FLAG_TABLE2				0x81
+#define RT700_IRQ_FLAG_TABLE3				0x82
+
+/* Verb */
+#define RT700_VERB_SET_CONNECT_SEL			0x3100
+#define RT700_VERB_SET_EAPD_BTLENABLE			0x3c00
+#define RT700_VERB_GET_CONNECT_SEL			0xb100
+#define RT700_VERB_SET_POWER_STATE			0x3500
+#define RT700_VERB_SET_CHANNEL_STREAMID			0x3600
+#define RT700_VERB_SET_PIN_WIDGET_CONTROL		0x3700
+#define RT700_VERB_SET_UNSOLICITED_ENABLE		0x3800
+#define RT700_SET_AMP_GAIN_MUTE_H			0x7300
+#define RT700_SET_AMP_GAIN_MUTE_L			0x8380
+#define RT700_VERB_GET_PIN_SENSE			0xb900
+
+#define RT700_READ_HDA_3				0x2012
+#define RT700_READ_HDA_2				0x2013
+#define RT700_READ_HDA_1				0x2014
+#define RT700_READ_HDA_0				0x2015
+#define RT700_PRIV_INDEX_W_H				0x7520
+#define RT700_PRIV_INDEX_W_L				0x85a0
+#define RT700_PRIV_DATA_W_H				0x7420
+#define RT700_PRIV_DATA_W_L				0x84a0
+#define RT700_PRIV_INDEX_R_H				0x9d20
+#define RT700_PRIV_INDEX_R_L				0xada0
+#define RT700_PRIV_DATA_R_H				0x9c20
+#define RT700_PRIV_DATA_R_L				0xaca0
+#define RT700_DAC_FORMAT_H				0x7203
+#define RT700_DAC_FORMAT_L				0x8283
+#define RT700_ADC_FORMAT_H				0x7209
+#define RT700_ADC_FORMAT_L				0x8289
+#define RT700_SET_AUDIO_POWER_STATE\
+	(RT700_VERB_SET_POWER_STATE | RT700_AUDIO_FUNCTION_GROUP)
+#define RT700_SET_PIN_DMIC1\
+	(RT700_VERB_SET_PIN_WIDGET_CONTROL | RT700_DMIC1)
+#define RT700_SET_PIN_DMIC2\
+	(RT700_VERB_SET_PIN_WIDGET_CONTROL | RT700_DMIC2)
+#define RT700_SET_PIN_SPK\
+	(RT700_VERB_SET_PIN_WIDGET_CONTROL | RT700_SPK_OUT)
+#define RT700_SET_PIN_HP\
+	(RT700_VERB_SET_PIN_WIDGET_CONTROL | RT700_HP_OUT)
+#define RT700_SET_PIN_MIC2\
+	(RT700_VERB_SET_PIN_WIDGET_CONTROL | RT700_MIC2)
+#define RT700_SET_PIN_LINE1\
+	(RT700_VERB_SET_PIN_WIDGET_CONTROL | RT700_LINE1)
+#define RT700_SET_PIN_LINE2\
+	(RT700_VERB_SET_PIN_WIDGET_CONTROL | RT700_LINE2)
+#define RT700_SET_MIC2_UNSOLICITED_ENABLE\
+	(RT700_VERB_SET_UNSOLICITED_ENABLE | RT700_MIC2)
+#define RT700_SET_HP_UNSOLICITED_ENABLE\
+	(RT700_VERB_SET_UNSOLICITED_ENABLE | RT700_HP_OUT)
+#define RT700_SET_INLINE_UNSOLICITED_ENABLE\
+	(RT700_VERB_SET_UNSOLICITED_ENABLE | RT700_INLINE_CMD)
+#define RT700_SET_STREAMID_DAC1\
+	(RT700_VERB_SET_CHANNEL_STREAMID | RT700_DAC_OUT1)
+#define RT700_SET_STREAMID_DAC2\
+	(RT700_VERB_SET_CHANNEL_STREAMID | RT700_DAC_OUT2)
+#define RT700_SET_STREAMID_ADC1\
+	(RT700_VERB_SET_CHANNEL_STREAMID | RT700_ADC_IN1)
+#define RT700_SET_STREAMID_ADC2\
+	(RT700_VERB_SET_CHANNEL_STREAMID | RT700_ADC_IN2)
+#define RT700_SET_GAIN_DAC1_L\
+	(RT700_SET_AMP_GAIN_MUTE_L | RT700_DAC_OUT1)
+#define RT700_SET_GAIN_DAC1_H\
+	(RT700_SET_AMP_GAIN_MUTE_H | RT700_DAC_OUT1)
+#define RT700_SET_GAIN_ADC1_L\
+	(RT700_SET_AMP_GAIN_MUTE_L | RT700_ADC_IN1)
+#define RT700_SET_GAIN_ADC1_H\
+	(RT700_SET_AMP_GAIN_MUTE_H | RT700_ADC_IN1)
+#define RT700_SET_GAIN_ADC2_L\
+	(RT700_SET_AMP_GAIN_MUTE_L | RT700_ADC_IN2)
+#define RT700_SET_GAIN_ADC2_H\
+	(RT700_SET_AMP_GAIN_MUTE_H | RT700_ADC_IN2)
+#define RT700_SET_GAIN_AMIC_L\
+	(RT700_SET_AMP_GAIN_MUTE_L | RT700_MIC2)
+#define RT700_SET_GAIN_AMIC_H\
+	(RT700_SET_AMP_GAIN_MUTE_H | RT700_MIC2)
+#define RT700_SET_GAIN_HP_L\
+	(RT700_SET_AMP_GAIN_MUTE_L | RT700_HP_OUT)
+#define RT700_SET_GAIN_HP_H\
+	(RT700_SET_AMP_GAIN_MUTE_H | RT700_HP_OUT)
+#define RT700_SET_GAIN_SPK_L\
+	(RT700_SET_AMP_GAIN_MUTE_L | RT700_SPK_OUT)
+#define RT700_SET_GAIN_SPK_H\
+	(RT700_SET_AMP_GAIN_MUTE_H | RT700_SPK_OUT)
+#define RT700_SET_EAPD_SPK\
+	(RT700_VERB_SET_EAPD_BTLENABLE | RT700_SPK_OUT)
+
+/* combo jack auto switch control 2 (0x46)(NID:20h) */
+#define RT700_COMBOJACK_AUTO_DET_STATUS			(0x1 << 11)
+#define RT700_COMBOJACK_AUTO_DET_TRS			(0x1 << 10)
+#define RT700_COMBOJACK_AUTO_DET_CTIA			(0x1 << 9)
+#define RT700_COMBOJACK_AUTO_DET_OMTP			(0x1 << 8)
+
+#define RT700_EAPD_HIGH					0x2
+#define RT700_EAPD_LOW					0x0
+#define RT700_MUTE_SFT					7
+#define RT700_DIR_IN_SFT				6
+#define RT700_DIR_OUT_SFT				7
+
+enum {
+	RT700_AIF1,
+	RT700_AIF2,
+	RT700_AIFS,
+};
+
+int rt700_io_init(struct device *dev, struct sdw_slave *slave);
+int rt700_init(struct device *dev, struct regmap *sdw_regmap,
+	       struct regmap *regmap, struct sdw_slave *slave);
+
+int rt700_jack_detect(struct rt700_priv *rt700, bool *hp, bool *mic);
+int rt700_clock_config(struct device *dev);
+#endif /* __RT700_H__ */