ASoC/SoundWire: rt715-sdca: First version of rt715 sdw sdca codec driver

First version of rt715 sdw sdca codec driver.
Signed-off-by: Jack Yu <jack.yu@realtek.com>
Reviewed-by: Pierre-Louis Bossart <pierre-louis.bossart@linux.intel.com>
Signed-off-by: Bard Liao <yung-chuan.liao@linux.intel.com>
Link: https://lore.kernel.org/r/20201103172226.4278-4-yung-chuan.liao@linux.intel.comSigned-off-by: Mark Brown <broonie@kernel.org>

sound/soc/codecs/Kconfig

@@ -177,6 +177,7 @@ config SND_SOC_ALL_CODECS
 	imply SND_SOC_RT700_SDW
 	imply SND_SOC_RT711_SDW
 	imply SND_SOC_RT715_SDW
+	imply SND_SOC_RT715_SDCA_SDW
 	imply SND_SOC_RT1308_SDW
 	imply SND_SOC_SGTL5000
 	imply SND_SOC_SI476X
@@ -1216,6 +1217,12 @@ config SND_SOC_RT715_SDW
 	select SND_SOC_RT715
 	select REGMAP_SOUNDWIRE
 
+config SND_SOC_RT715_SDCA_SDW
+	tristate "Realtek RT715 SDCA Codec - SDW"
+	depends on SOUNDWIRE
+	select REGMAP_SOUNDWIRE
+	select REGMAP_SOUNDWIRE_MBQ
+
 #Freescale sgtl5000 codec
 config SND_SOC_SGTL5000
 	tristate "Freescale SGTL5000 CODEC"

sound/soc/codecs/Makefile

@@ -188,6 +188,7 @@ snd-soc-rt5682-i2c-objs := rt5682-i2c.o
 snd-soc-rt700-objs := rt700.o rt700-sdw.o
 snd-soc-rt711-objs := rt711.o rt711-sdw.o
 snd-soc-rt715-objs := rt715.o rt715-sdw.o
+snd-soc-rt715-sdca-objs := rt715-sdca.o rt715-sdca-sdw.o
 snd-soc-sgtl5000-objs := sgtl5000.o
 snd-soc-alc5623-objs := alc5623.o
 snd-soc-alc5632-objs := alc5632.o
@@ -498,6 +499,7 @@ obj-$(CONFIG_SND_SOC_RT5682_SDW)	+= snd-soc-rt5682-sdw.o
 obj-$(CONFIG_SND_SOC_RT700)     += snd-soc-rt700.o
 obj-$(CONFIG_SND_SOC_RT711)     += snd-soc-rt711.o
 obj-$(CONFIG_SND_SOC_RT715)     += snd-soc-rt715.o
+obj-$(CONFIG_SND_SOC_RT715_SDCA_SDW)     += snd-soc-rt715-sdca.o
 obj-$(CONFIG_SND_SOC_SGTL5000)  += snd-soc-sgtl5000.o
 obj-$(CONFIG_SND_SOC_SIGMADSP)	+= snd-soc-sigmadsp.o
 obj-$(CONFIG_SND_SOC_SIGMADSP_I2C)	+= snd-soc-sigmadsp-i2c.o

sound/soc/codecs/rt715-sdca-sdw.c

+// SPDX-License-Identifier: GPL-2.0-only
+//
+// rt715-sdca-sdw.c -- rt715 ALSA SoC audio driver
+//
+// Copyright(c) 2020 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/soundwire/sdw_registers.h>
+#include <linux/module.h>
+#include <linux/regmap.h>
+#include <sound/soc.h>
+#include "rt715-sdca.h"
+#include "rt715-sdca-sdw.h"
+
+static bool rt715_sdca_readable_register(struct device *dev, unsigned int reg)
+{
+	switch (reg) {
+	case 0x201a ... 0x2027:
+	case 0x2029 ... 0x202a:
+	case 0x202d ... 0x2034:
+	case 0x2200 ... 0x2204:
+	case 0x2206 ... 0x2212:
+	case 0x2230 ... 0x2239:
+	case 0x2f5b:
+	case SDW_SDCA_CTL(FUN_MIC_ARRAY, RT715_SDCA_SMPU_TRIG_ST_EN,
+		RT715_SDCA_SMPU_TRIG_ST_CTRL, CH_00):
+		return true;
+	default:
+		return false;
+	}
+}
+
+static bool rt715_sdca_volatile_register(struct device *dev, unsigned int reg)
+{
+	switch (reg) {
+	case 0x201b:
+	case 0x201c:
+	case 0x201d:
+	case 0x201f:
+	case 0x2021:
+	case 0x2023:
+	case 0x2230:
+	case 0x202d ... 0x202f: /* BRA */
+	case 0x2200 ... 0x2212: /* i2c debug */
+	case 0x2f07:
+	case 0x2f1b ... 0x2f1e:
+	case 0x2f30 ... 0x2f34:
+	case 0x2f50 ... 0x2f51:
+	case 0x2f53 ... 0x2f59:
+	case 0x2f5c ... 0x2f5f:
+	case SDW_SDCA_CTL(FUN_MIC_ARRAY, RT715_SDCA_SMPU_TRIG_ST_EN,
+		RT715_SDCA_SMPU_TRIG_ST_CTRL, CH_00): /* VAD Searching status */
+		return true;
+	default:
+		return false;
+	}
+}
+
+static bool rt715_sdca_mbq_readable_register(struct device *dev, unsigned int reg)
+{
+	switch (reg) {
+	case 0x2000000:
+	case 0x200002b:
+	case 0x2000036:
+	case 0x2000037:
+	case 0x2000039:
+	case 0x6100000:
+		return true;
+	default:
+		return false;
+	}
+}
+
+static bool rt715_sdca_mbq_volatile_register(struct device *dev, unsigned int reg)
+{
+	switch (reg) {
+	case 0x2000000:
+		return true;
+	default:
+		return false;
+	}
+}
+
+static const struct regmap_config rt715_sdca_regmap = {
+	.reg_bits = 32,
+	.val_bits = 8,
+	.readable_reg = rt715_sdca_readable_register,
+	.volatile_reg = rt715_sdca_volatile_register,
+	.max_register = 0x43ffffff,
+	.reg_defaults = rt715_reg_defaults_sdca,
+	.num_reg_defaults = ARRAY_SIZE(rt715_reg_defaults_sdca),
+	.cache_type = REGCACHE_RBTREE,
+	.use_single_read = true,
+	.use_single_write = true,
+};
+
+static const struct regmap_config rt715_sdca_mbq_regmap = {
+	.name = "sdw-mbq",
+	.reg_bits = 32,
+	.val_bits = 16,
+	.readable_reg = rt715_sdca_mbq_readable_register,
+	.volatile_reg = rt715_sdca_mbq_volatile_register,
+	.max_register = 0x43ffffff,
+	.reg_defaults = rt715_mbq_reg_defaults_sdca,
+	.num_reg_defaults = ARRAY_SIZE(rt715_mbq_reg_defaults_sdca),
+	.cache_type = REGCACHE_RBTREE,
+	.use_single_read = true,
+	.use_single_write = true,
+};
+
+static int rt715_update_status(struct sdw_slave *slave,
+				enum sdw_slave_status status)
+{
+	struct rt715_sdca_priv *rt715 = dev_get_drvdata(&slave->dev);
+
+	/* Update the status */
+	rt715->status = status;
+
+	/*
+	 * Perform initialization only if slave status is present and
+	 * hw_init flag is false
+	 */
+	if (rt715->hw_init || rt715->status != SDW_SLAVE_ATTACHED)
+		return 0;
+
+	/* perform I/O transfers required for Slave initialization */
+	return rt715_io_init(&slave->dev, slave);
+}
+
+static int rt715_read_prop(struct sdw_slave *slave)
+{
+	struct sdw_slave_prop *prop = &slave->prop;
+	int nval, i;
+	u32 bit;
+	unsigned long addr;
+	struct sdw_dpn_prop *dpn;
+
+	prop->paging_support = true;
+
+	/* first we need to allocate memory for set bits in port lists */
+	prop->source_ports = 0x50;/* BITMAP: 01010000 */
+	prop->sink_ports = 0x0;	/* BITMAP:  00000000 */
+
+	nval = hweight32(prop->source_ports);
+	prop->src_dpn_prop = devm_kcalloc(&slave->dev, nval,
+					sizeof(*prop->src_dpn_prop),
+					GFP_KERNEL);
+	if (!prop->src_dpn_prop)
+		return -ENOMEM;
+
+	dpn = prop->src_dpn_prop;
+	i = 0;
+	addr = prop->source_ports;
+	for_each_set_bit(bit, &addr, 32) {
+		dpn[i].num = bit;
+		dpn[i].simple_ch_prep_sm = true;
+		dpn[i].ch_prep_timeout = 10;
+		i++;
+	}
+
+	/* set the timeout values */
+	prop->clk_stop_timeout = 20;
+
+	return 0;
+}
+
+static struct sdw_slave_ops rt715_sdca_slave_ops = {
+	.read_prop = rt715_read_prop,
+	.update_status = rt715_update_status,
+};
+
+static int rt715_sdca_sdw_probe(struct sdw_slave *slave,
+			   const struct sdw_device_id *id)
+{
+	struct regmap *mbq_regmap, *regmap;
+
+	slave->ops = &rt715_sdca_slave_ops;
+
+	/* Regmap Initialization */
+	mbq_regmap = devm_regmap_init_sdw_mbq(slave, &rt715_sdca_mbq_regmap);
+	if (!mbq_regmap)
+		return -EINVAL;
+
+	regmap = devm_regmap_init_sdw(slave, &rt715_sdca_regmap);
+	if (!regmap)
+		return -EINVAL;
+
+	return rt715_init(&slave->dev, mbq_regmap, regmap, slave);
+}
+
+static const struct sdw_device_id rt715_sdca_id[] = {
+	SDW_SLAVE_ENTRY_EXT(0x025d, 0x715, 0x3, 0x1, 0),
+	SDW_SLAVE_ENTRY_EXT(0x025d, 0x714, 0x3, 0x1, 0),
+	{},
+};
+MODULE_DEVICE_TABLE(sdw, rt715_sdca_id);
+
+static int __maybe_unused rt715_dev_suspend(struct device *dev)
+{
+	struct rt715_sdca_priv *rt715 = dev_get_drvdata(dev);
+
+	if (!rt715->hw_init)
+		return 0;
+
+	regcache_cache_only(rt715->regmap, true);
+	regcache_mark_dirty(rt715->regmap);
+	regcache_cache_only(rt715->mbq_regmap, true);
+	regcache_mark_dirty(rt715->mbq_regmap);
+
+	return 0;
+}
+
+#define RT715_PROBE_TIMEOUT 2000
+
+static int __maybe_unused rt715_dev_resume(struct device *dev)
+{
+	struct sdw_slave *slave = dev_to_sdw_dev(dev);
+	struct rt715_sdca_priv *rt715 = dev_get_drvdata(dev);
+	unsigned long time;
+
+	if (!rt715->hw_init)
+		return 0;
+
+	if (!slave->unattach_request)
+		goto regmap_sync;
+
+	time = wait_for_completion_timeout(&slave->enumeration_complete,
+					   msecs_to_jiffies(RT715_PROBE_TIMEOUT));
+	if (!time) {
+		dev_err(&slave->dev, "Enumeration not complete, timed out\n");
+		return -ETIMEDOUT;
+	}
+
+regmap_sync:
+	slave->unattach_request = 0;
+	regcache_cache_only(rt715->regmap, false);
+	regcache_sync_region(rt715->regmap,
+		SDW_SDCA_CTL(FUN_JACK_CODEC, RT715_SDCA_ST_EN, RT715_SDCA_ST_CTRL,
+			CH_00),
+		SDW_SDCA_CTL(FUN_MIC_ARRAY, RT715_SDCA_SMPU_TRIG_ST_EN,
+			RT715_SDCA_SMPU_TRIG_ST_CTRL, CH_00));
+	regcache_cache_only(rt715->mbq_regmap, false);
+	regcache_sync_region(rt715->mbq_regmap, 0x2000000, 0x61020ff);
+	regcache_sync_region(rt715->mbq_regmap,
+		SDW_SDCA_CTL(FUN_JACK_CODEC, RT715_SDCA_ST_EN, RT715_SDCA_ST_CTRL,
+			CH_00),
+		SDW_SDCA_CTL(FUN_MIC_ARRAY, RT715_SDCA_SMPU_TRIG_ST_EN,
+			RT715_SDCA_SMPU_TRIG_ST_CTRL, CH_00));
+
+	return 0;
+}
+
+static const struct dev_pm_ops rt715_pm = {
+	SET_SYSTEM_SLEEP_PM_OPS(rt715_dev_suspend, rt715_dev_resume)
+	SET_RUNTIME_PM_OPS(rt715_dev_suspend, rt715_dev_resume, NULL)
+};
+
+static struct sdw_driver rt715_sdw_driver = {
+	.driver = {
+		.name = "rt715-sdca",
+		.owner = THIS_MODULE,
+		.pm = &rt715_pm,
+	},
+	.probe = rt715_sdca_sdw_probe,
+	.ops = &rt715_sdca_slave_ops,
+	.id_table = rt715_sdca_id,
+};
+module_sdw_driver(rt715_sdw_driver);
+
+MODULE_DESCRIPTION("ASoC RT715 driver SDW SDCA");
+MODULE_AUTHOR("Jack Yu <jack.yu@realtek.com>");
+MODULE_LICENSE("GPL v2");

sound/soc/codecs/rt715-sdca-sdw.h

+/* SPDX-License-Identifier: GPL-2.0-only */
+/*
+ * rt715-sdca-sdw.h -- RT715 ALSA SoC audio driver header
+ *
+ * Copyright(c) 2020 Realtek Semiconductor Corp.
+ */
+
+#ifndef __RT715_SDW_SDCA_H__
+#define __RT715_SDW_SDCA_H__
+
+#include <linux/soundwire/sdw_registers.h>
+
+static const struct reg_default rt715_reg_defaults_sdca[] = {
+	{ 0x201a, 0x00 },
+	{ 0x201e, 0x00 },
+	{ 0x2020, 0x00 },
+	{ 0x2021, 0x00 },
+	{ 0x2022, 0x00 },
+	{ 0x2023, 0x00 },
+	{ 0x2024, 0x00 },
+	{ 0x2025, 0x01 },
+	{ 0x2026, 0x00 },
+	{ 0x2027, 0x00 },
+	{ 0x2029, 0x00 },
+	{ 0x202a, 0x00 },
+	{ 0x202d, 0x00 },
+	{ 0x202e, 0x00 },
+	{ 0x202f, 0x00 },
+	{ 0x2030, 0x00 },
+	{ 0x2031, 0x00 },
+	{ 0x2032, 0x00 },
+	{ 0x2033, 0x00 },
+	{ 0x2034, 0x00 },
+	{ 0x2230, 0x00 },
+	{ 0x2231, 0x2f },
+	{ 0x2232, 0x80 },
+	{ 0x2233, 0x00 },
+	{ 0x2234, 0x00 },
+	{ 0x2235, 0x00 },
+	{ 0x2236, 0x00 },
+	{ 0x2237, 0x00 },
+	{ 0x2238, 0x00 },
+	{ 0x2239, 0x00 },
+	{ 0x2f01, 0x00 },
+	{ 0x2f02, 0x09 },
+	{ 0x2f03, 0x0b },
+	{ 0x2f04, 0x00 },
+	{ 0x2f05, 0x0e },
+	{ 0x2f06, 0x01 },
+	{ 0x2f08, 0x00 },
+	{ 0x2f09, 0x00 },
+	{ 0x2f0a, 0x00 },
+	{ 0x2f0b, 0x00 },
+	{ 0x2f0c, 0x00 },
+	{ 0x2f0d, 0x00 },
+	{ 0x2f0e, 0x12 },
+	{ 0x2f0f, 0x00 },
+	{ 0x2f10, 0x00 },
+	{ 0x2f11, 0x00 },
+	{ 0x2f12, 0x00 },
+	{ 0x2f13, 0x00 },
+	{ 0x2f14, 0x00 },
+	{ 0x2f15, 0x00 },
+	{ 0x2f16, 0x00 },
+	{ 0x2f17, 0x00 },
+	{ 0x2f18, 0x00 },
+	{ 0x2f19, 0x03 },
+	{ 0x2f1a, 0x00 },
+	{ 0x2f1f, 0x10 },
+	{ 0x2f20, 0x00 },
+	{ 0x2f21, 0x00 },
+	{ 0x2f22, 0x00 },
+	{ 0x2f23, 0x00 },
+	{ 0x2f24, 0x00 },
+	{ 0x2f25, 0x00 },
+	{ 0x2f52, 0x01 },
+	{ 0x2f5a, 0x02 },
+	{ 0x2f5b, 0x05 },
+	{ SDW_SDCA_CTL(FUN_MIC_ARRAY, RT715_SDCA_CX_CLK_SEL_EN,
+		RT715_SDCA_CX_CLK_SEL_CTRL, CH_00), 0x1 },
+	{ SDW_SDCA_CTL(FUN_MIC_ARRAY, RT715_SDCA_FU_ADC8_9_VOL,
+		RT715_SDCA_FU_MUTE_CTRL, CH_01), 0x01 },
+	{ SDW_SDCA_CTL(FUN_MIC_ARRAY, RT715_SDCA_FU_ADC8_9_VOL,
+		RT715_SDCA_FU_MUTE_CTRL, CH_02), 0x01 },
+	{ SDW_SDCA_CTL(FUN_MIC_ARRAY, RT715_SDCA_FU_ADC8_9_VOL,
+		RT715_SDCA_FU_MUTE_CTRL, CH_03), 0x01 },
+	{ SDW_SDCA_CTL(FUN_MIC_ARRAY, RT715_SDCA_FU_ADC8_9_VOL,
+		RT715_SDCA_FU_MUTE_CTRL, CH_04), 0x01 },
+	{ SDW_SDCA_CTL(FUN_MIC_ARRAY, RT715_SDCA_FU_ADC10_11_VOL,
+		RT715_SDCA_FU_MUTE_CTRL, CH_01), 0x01 },
+	{ SDW_SDCA_CTL(FUN_MIC_ARRAY, RT715_SDCA_FU_ADC10_11_VOL,
+		RT715_SDCA_FU_MUTE_CTRL, CH_02), 0x01 },
+	{ SDW_SDCA_CTL(FUN_MIC_ARRAY, RT715_SDCA_FU_ADC10_11_VOL,
+		RT715_SDCA_FU_MUTE_CTRL, CH_03), 0x01 },
+	{ SDW_SDCA_CTL(FUN_MIC_ARRAY, RT715_SDCA_FU_ADC10_11_VOL,
+		RT715_SDCA_FU_MUTE_CTRL, CH_04), 0x01 },
+	{ SDW_SDCA_CTL(FUN_MIC_ARRAY, RT715_SDCA_FU_ADC7_27_VOL,
+		RT715_SDCA_FU_MUTE_CTRL, CH_01), 0x01 },
+	{ SDW_SDCA_CTL(FUN_MIC_ARRAY, RT715_SDCA_FU_ADC7_27_VOL,
+		RT715_SDCA_FU_MUTE_CTRL, CH_02), 0x01 },
+	{ SDW_SDCA_CTL(FUN_MIC_ARRAY, RT715_SDCA_SMPU_TRIG_ST_EN,
+		RT715_SDCA_SMPU_TRIG_EN_CTRL, CH_00), 0x02 },
+	{ SDW_SDCA_CTL(FUN_MIC_ARRAY, RT715_SDCA_SMPU_TRIG_ST_EN,
+		RT715_SDCA_SMPU_TRIG_ST_CTRL, CH_00), 0x00 },
+	{ SDW_SDCA_CTL(FUN_MIC_ARRAY, RT715_SDCA_FU_ADC7_27_VOL,
+		RT715_SDCA_FU_MUTE_CTRL, CH_01), 0x01 },
+	{ SDW_SDCA_CTL(FUN_MIC_ARRAY, RT715_SDCA_FU_ADC7_27_VOL,
+		RT715_SDCA_FU_MUTE_CTRL, CH_02), 0x01 },
+};
+
+static const struct reg_default rt715_mbq_reg_defaults_sdca[] = {
+	{ 0x200002b, 0x0420 },
+	{ 0x2000036, 0x0000 },
+	{ 0x2000037, 0x0000 },
+	{ 0x2000039, 0xaa81 },
+	{ 0x6100000, 0x0100 },
+	{ SDW_SDCA_CTL(FUN_MIC_ARRAY, RT715_SDCA_FU_ADC8_9_VOL,
+		RT715_SDCA_FU_VOL_CTRL, CH_01), 0x00 },
+	{ SDW_SDCA_CTL(FUN_MIC_ARRAY, RT715_SDCA_FU_ADC8_9_VOL,
+		RT715_SDCA_FU_VOL_CTRL, CH_02), 0x00 },
+	{ SDW_SDCA_CTL(FUN_MIC_ARRAY, RT715_SDCA_FU_ADC8_9_VOL,
+		RT715_SDCA_FU_VOL_CTRL, CH_03), 0x00 },
+	{ SDW_SDCA_CTL(FUN_MIC_ARRAY, RT715_SDCA_FU_ADC8_9_VOL,
+		RT715_SDCA_FU_VOL_CTRL, CH_04), 0x00 },
+	{ SDW_SDCA_CTL(FUN_MIC_ARRAY, RT715_SDCA_FU_ADC10_11_VOL,
+		RT715_SDCA_FU_VOL_CTRL, CH_01), 0x00 },
+	{ SDW_SDCA_CTL(FUN_MIC_ARRAY, RT715_SDCA_FU_ADC10_11_VOL,
+		RT715_SDCA_FU_VOL_CTRL, CH_02), 0x00 },
+	{ SDW_SDCA_CTL(FUN_MIC_ARRAY, RT715_SDCA_FU_ADC10_11_VOL,
+		RT715_SDCA_FU_VOL_CTRL, CH_03), 0x00 },
+	{ SDW_SDCA_CTL(FUN_MIC_ARRAY, RT715_SDCA_FU_ADC10_11_VOL,
+		RT715_SDCA_FU_VOL_CTRL, CH_04), 0x00 },
+	{ SDW_SDCA_CTL(FUN_MIC_ARRAY, RT715_SDCA_FU_ADC7_27_VOL,
+		RT715_SDCA_FU_VOL_CTRL, CH_01), 0x00 },
+	{ SDW_SDCA_CTL(FUN_MIC_ARRAY, RT715_SDCA_FU_ADC7_27_VOL,
+		RT715_SDCA_FU_VOL_CTRL, CH_02), 0x00 },
+	{ SDW_SDCA_CTL(FUN_MIC_ARRAY, RT715_SDCA_FU_AMIC_GAIN_EN,
+		RT715_SDCA_FU_DMIC_GAIN_CTRL, CH_01), 0x00 },
+	{ SDW_SDCA_CTL(FUN_MIC_ARRAY, RT715_SDCA_FU_AMIC_GAIN_EN,
+		RT715_SDCA_FU_DMIC_GAIN_CTRL, CH_02), 0x00 },
+	{ SDW_SDCA_CTL(FUN_MIC_ARRAY, RT715_SDCA_FU_AMIC_GAIN_EN,
+		RT715_SDCA_FU_DMIC_GAIN_CTRL, CH_03), 0x00 },
+	{ SDW_SDCA_CTL(FUN_MIC_ARRAY, RT715_SDCA_FU_AMIC_GAIN_EN,
+		RT715_SDCA_FU_DMIC_GAIN_CTRL, CH_04), 0x00 },
+	{ SDW_SDCA_CTL(FUN_MIC_ARRAY, RT715_SDCA_FU_AMIC_GAIN_EN,
+		RT715_SDCA_FU_DMIC_GAIN_CTRL, CH_05), 0x00 },
+	{ SDW_SDCA_CTL(FUN_MIC_ARRAY, RT715_SDCA_FU_AMIC_GAIN_EN,
+		RT715_SDCA_FU_DMIC_GAIN_CTRL, CH_06), 0x00 },
+	{ SDW_SDCA_CTL(FUN_MIC_ARRAY, RT715_SDCA_FU_AMIC_GAIN_EN,
+		RT715_SDCA_FU_DMIC_GAIN_CTRL, CH_07), 0x00 },
+	{ SDW_SDCA_CTL(FUN_MIC_ARRAY, RT715_SDCA_FU_AMIC_GAIN_EN,
+		RT715_SDCA_FU_DMIC_GAIN_CTRL, CH_08), 0x00 },
+	{ SDW_SDCA_CTL(FUN_MIC_ARRAY, RT715_SDCA_FU_DMIC_GAIN_EN,
+		RT715_SDCA_FU_DMIC_GAIN_CTRL, CH_01), 0x00 },
+	{ SDW_SDCA_CTL(FUN_MIC_ARRAY, RT715_SDCA_FU_DMIC_GAIN_EN,
+		RT715_SDCA_FU_DMIC_GAIN_CTRL, CH_02), 0x00 },
+	{ SDW_SDCA_CTL(FUN_MIC_ARRAY, RT715_SDCA_FU_DMIC_GAIN_EN,
+		RT715_SDCA_FU_DMIC_GAIN_CTRL, CH_03), 0x00 },
+	{ SDW_SDCA_CTL(FUN_MIC_ARRAY, RT715_SDCA_FU_DMIC_GAIN_EN,
+		RT715_SDCA_FU_DMIC_GAIN_CTRL, CH_04), 0x00 },
+	{ SDW_SDCA_CTL(FUN_MIC_ARRAY, RT715_SDCA_FU_DMIC_GAIN_EN,
+		RT715_SDCA_FU_DMIC_GAIN_CTRL, CH_05), 0x00 },
+	{ SDW_SDCA_CTL(FUN_MIC_ARRAY, RT715_SDCA_FU_DMIC_GAIN_EN,
+		RT715_SDCA_FU_DMIC_GAIN_CTRL, CH_06), 0x00 },
+	{ SDW_SDCA_CTL(FUN_MIC_ARRAY, RT715_SDCA_FU_DMIC_GAIN_EN,
+		RT715_SDCA_FU_DMIC_GAIN_CTRL, CH_07), 0x00 },
+	{ SDW_SDCA_CTL(FUN_MIC_ARRAY, RT715_SDCA_FU_DMIC_GAIN_EN,
+		RT715_SDCA_FU_DMIC_GAIN_CTRL, CH_08), 0x00 },
+};
+#endif /* __RT715_SDW_SDCA_H__ */

sound/soc/codecs/rt715-sdca.h

+/* SPDX-License-Identifier: GPL-2.0-only */
+/*
+ * rt715-sdca.h -- RT715 ALSA SoC audio driver header
+ *
+ * Copyright(c) 2020 Realtek Semiconductor Corp.
+ */
+
+#ifndef __RT715_SDCA_H__
+#define __RT715_SDCA_H__
+
+#include <linux/regmap.h>
+#include <linux/soundwire/sdw.h>
+#include <linux/soundwire/sdw_type.h>
+#include <sound/soc.h>
+#include <linux/workqueue.h>
+#include <linux/device.h>
+
+struct rt715_sdca_priv {
+	struct regmap *regmap;
+	struct regmap *mbq_regmap;
+	struct snd_soc_codec *codec;
+	struct sdw_slave *slave;
+	struct delayed_work adc_mute_work;
+	int dbg_nid;
+	int dbg_vid;
+	int dbg_payload;
+	enum sdw_slave_status status;
+	struct sdw_bus_params params;
+	bool hw_init;
+	bool first_init;
+	int l_is_unmute;
+	int r_is_unmute;
+	int hw_sdw_ver;
+};
+
+struct rt715_sdw_stream_data {
+	struct sdw_stream_runtime *sdw_stream;
+};
+
+/* MIPI Register */
+#define RT715_INT_CTRL					0x005a
+#define RT715_INT_MASK					0x005e
+
+/* NID */
+#define RT715_AUDIO_FUNCTION_GROUP			0x01
+#define RT715_MIC_ADC					0x07
+#define RT715_LINE_ADC					0x08
+#define RT715_MIX_ADC					0x09
+#define RT715_DMIC1					0x12
+#define RT715_DMIC2					0x13
+#define RT715_MIC1					0x18
+#define RT715_MIC2					0x19
+#define RT715_LINE1					0x1a
+#define RT715_LINE2					0x1b
+#define RT715_DMIC3					0x1d
+#define RT715_DMIC4					0x29
+#define RT715_VENDOR_REG				0x20
+#define RT715_MUX_IN1					0x22
+#define RT715_MUX_IN2					0x23
+#define RT715_MUX_IN3					0x24
+#define RT715_MUX_IN4					0x25
+#define RT715_MIX_ADC2					0x27
+#define RT715_INLINE_CMD				0x55
+#define RT715_VENDOR_HDA_CTL				0x61
+
+/* Index (NID:20h) */
+#define RT715_PRODUCT_NUM				0x0
+#define RT715_IRQ_CTRL					0x2b
+#define RT715_AD_FUNC_EN				0x36
+#define RT715_REV_1					0x37
+#define RT715_SDW_INPUT_SEL				0x39
+#define RT715_EXT_DMIC_CLK_CTRL2			0x54
+
+/* Index (NID:61h) */
+#define RT715_HDA_LEGACY_MUX_CTL1			0x00
+
+/* SDCA (Function) */
+#define FUN_JACK_CODEC				0x01
+#define FUN_MIC_ARRAY				0x02
+#define FUN_HID						0x03
+/* SDCA (Entity) */
+#define RT715_SDCA_ST_EN							0x00
+#define RT715_SDCA_CS_FREQ_IND_EN					0x01
+#define RT715_SDCA_FU_ADC8_9_VOL					0x02
+#define RT715_SDCA_SMPU_TRIG_ST_EN					0x05
+#define RT715_SDCA_FU_ADC10_11_VOL					0x06
+#define RT715_SDCA_FU_ADC7_27_VOL					0x0a
+#define RT715_SDCA_FU_AMIC_GAIN_EN					0x0c
+#define RT715_SDCA_FU_DMIC_GAIN_EN					0x0e
+#define RT715_SDCA_CX_CLK_SEL_EN					0x10
+#define RT715_SDCA_CREQ_POW_EN						0x18
+/* SDCA (Control) */
+#define RT715_SDCA_ST_CTRL							0x00
+#define RT715_SDCA_CX_CLK_SEL_CTRL					0x01
+#define RT715_SDCA_REQ_POW_CTRL					0x01
+#define RT715_SDCA_FU_MUTE_CTRL					0x01
+#define RT715_SDCA_FU_VOL_CTRL						0x02
+#define RT715_SDCA_FU_DMIC_GAIN_CTRL				0x0b
+#define RT715_SDCA_FREQ_IND_CTRL					0x10
+#define RT715_SDCA_SMPU_TRIG_EN_CTRL				0x10
+#define RT715_SDCA_SMPU_TRIG_ST_CTRL				0x11
+/* SDCA (Channel) */
+#define CH_00						0x00
+#define CH_01						0x01
+#define CH_02						0x02
+#define CH_03						0x03
+#define CH_04						0x04
+#define CH_05						0x05
+#define CH_06						0x06
+#define CH_07						0x07
+#define CH_08						0x08
+
+#define RT715_SDCA_DB_STEP			375
+
+enum {
+	RT715_AIF1,
+	RT715_AIF2,
+};
+
+int rt715_io_init(struct device *dev, struct sdw_slave *slave);
+int rt715_init(struct device *dev, struct regmap *mbq_regmap,
+	struct regmap *regmap, struct sdw_slave *slave);
+
+#endif /* __RT715_SDCA_H__ */