sound/soc/codecs/rt766-sdca-sdw.c - pub/scm/linux/kernel/git/rafael/linux-pm - Git at Google

 // SPDX-License-Identifier: GPL-2.0-only
 //
 // rt766-sdca-sdw.c -- rt766 SDCA ALSA SoC audio driver
 //
 // Copyright(c) 2026 Realtek Semiconductor Corp.
 //
 //

 #include <linux/delay.h>
 #include <linux/device.h>
 #include <linux/module.h>
 #include <linux/pm_runtime.h>
 #include <linux/soundwire/sdw_registers.h>
 #include <sound/sdca.h>
 #include <sound/sdca_function.h>
 #include "rt766-sdca.h"
 #include "rt766-sdca-sdw.h"

 #define RT766_PROBE_TIMEOUT 5000

 static bool rt766_sdca_readable_register(struct device *dev, unsigned int reg)
 {
 	switch (reg) {
 	case SDW_SCP_SDCA_INT1 ... SDW_SCP_SDCA_INTMASK4:
 	case RT766_VERSION_ID ... RT766_BOND_LATCH_ID:
 	case 0xc344 ... 0xc345:
 	case 0xc900:
 	case 0xc920:
 	case 0xd540 ... 0xd542:
 	case 0xf01e:
 	case RT766_HP_POWER_STATE ... RT766_HP_FSM_CTL2_1:
 	case 0x310100:
 	case RT766_MCU_PATCH_ADDR1_START ... RT766_MCU_PATCH_ADDR1_END:
 	case RT766_MCU_PATCH_ADDR2_START ... RT766_MCU_PATCH_ADDR2_END:
 	case RT766_MUTE_REG(UAJ, USER_FU41, 1):
 	case RT766_MUTE_REG(UAJ, USER_FU41, 2):
 	case RT766_VOLUME_REG(UAJ, USER_FU41, 1):
 	case RT766_VOLUME_REG(UAJ, USER_FU41, 2):
 	case RT766_MUTE_REG(UAJ, USER_FU36, 1):
 	case RT766_MUTE_REG(UAJ, USER_FU36, 2):
 	case RT766_VOLUME_REG(UAJ, USER_FU36, 1):
 	case RT766_VOLUME_REG(UAJ, USER_FU36, 2):
 	case RT766_PDE_REQ_REG(UAJ, PDE47):
 	case RT766_PDE_REQ_REG(UAJ, PDE34):
 	case RT766_SDCA_CTL(UAJ, CS41, SDCA_CTL_CS_SAMPLERATEINDEX):
 	case RT766_SDCA_CTL(UAJ, CS36, SDCA_CTL_CS_SAMPLERATEINDEX):
 	case RT766_FUNC_STATUS_REG(UAJ): /* 0x40480000 */
 	case RT766_PDE_ACTUAL_REG(UAJ, PDE47): /* 0x40481400 */
 	case RT766_PDE_ACTUAL_REG(UAJ, PDE34): /* 0x40481480 */
 	case RT766_GAIN_REG(UAJ, PLATFORM_FU33, 1):
 	case RT766_GAIN_REG(UAJ, PLATFORM_FU33, 2):
 	case RT766_SDCA_CTL(UAJ, GE49, SDCA_CTL_GE_SELECTED_MODE):
 	case RT766_SDCA_CTL(UAJ, GE49, SDCA_CTL_GE_DETECTED_MODE): /* 0x40600490 */
 	case RT766_PDE_REQ_REG(MIC, PDE11):
 	case RT766_MUTE_REG(MIC, USER_FU113, 1):
 	case RT766_MUTE_REG(MIC, USER_FU113, 2):
 	case RT766_MUTE_REG(MIC, USER_FU113, 3):
 	case RT766_MUTE_REG(MIC, USER_FU113, 4):
 	case RT766_VOLUME_REG(MIC, USER_FU113, 1):
 	case RT766_VOLUME_REG(MIC, USER_FU113, 2):
 	case RT766_VOLUME_REG(MIC, USER_FU113, 3):
 	case RT766_VOLUME_REG(MIC, USER_FU113, 4):
 	case RT766_FUNC_STATUS_REG(MIC): /* 0x40880000 */
 	case RT766_SDCA_CTL(MIC, CS113, SDCA_CTL_CS_SAMPLERATEINDEX):
 	case RT766_PDE_ACTUAL_REG(MIC, PDE11): /* 0x40881500 */
 	case RT766_FUNC_STATUS_REG(HID): /* 0x40c80000 */
 	/* 0x40c80080 - 0x40c80098 */
 	case RT766_SDCA_CTL(HID, HID101, SDCA_CTL_HIDE_HIDTX_CURRENTOWNER) ...
 		RT766_SDCA_CTL(HID, HID101, SDCA_CTL_HIDE_HIDTX_MESSAGELENGTH):
 	case RT766_MUTE_REG(AMP, USER_FU21, 1):
 	case RT766_MUTE_REG(AMP, USER_FU21, 2):
 	case RT766_VOLUME_REG(AMP, USER_FU21, 1):
 	case RT766_VOLUME_REG(AMP, USER_FU21, 2):
 	case RT766_PDE_REQ_REG(AMP, PDE23):
 	case RT766_FUNC_STATUS_REG(AMP): /* 0x41080000 */
 	case RT766_SDCA_CTL(AMP, PPU21, SDCA_CTL_PPU_POSTURENUMBER):
 	case RT766_SDCA_CTL(AMP, CS21, SDCA_CTL_CS_SAMPLERATEINDEX):
 	case RT766_PDE_ACTUAL_REG(AMP, PDE23): /* 0x41081980 */
 	case RT766_BUF_ADDR_HID1 ... RT766_BUF_ADDR_HID2:
 		return true;
 	default:
 		return false;
 	}
 }

 static bool rt766_sdca_volatile_register(struct device *dev, unsigned int reg)
 {
 	switch (reg) {
 	case SDW_SCP_SDCA_INT1 ... SDW_SCP_SDCA_INTMASK4:
 	case RT766_VERSION_ID ... RT766_BOND_LATCH_ID:
 	case 0xc344 ... 0xc345:
 	case 0xc900:
 	case 0xc920:
 	case 0xd540 ... 0xd542:
 	case 0xf01e:
 	case RT766_HP_POWER_STATE ... RT766_HP_FSM_CTL2_1:
 	case 0x310100:
 	case RT766_MCU_PATCH_ADDR1_START ... RT766_MCU_PATCH_ADDR1_END:
 	case RT766_MCU_PATCH_ADDR2_START ... RT766_MCU_PATCH_ADDR2_END:
 	case RT766_FUNC_STATUS_REG(UAJ):
 	case RT766_PDE_ACTUAL_REG(UAJ, PDE47):
 	case RT766_PDE_ACTUAL_REG(UAJ, PDE34):
 	case RT766_SDCA_CTL(UAJ, GE49, SDCA_CTL_GE_DETECTED_MODE):
 	case RT766_FUNC_STATUS_REG(MIC):
 	case RT766_PDE_ACTUAL_REG(MIC, PDE11):
 	case RT766_FUNC_STATUS_REG(HID):
 	case RT766_SDCA_CTL(HID, HID101, SDCA_CTL_HIDE_HIDTX_CURRENTOWNER) ...
 		RT766_SDCA_CTL(HID, HID101, SDCA_CTL_HIDE_HIDTX_MESSAGELENGTH):
 	case RT766_FUNC_STATUS_REG(AMP):
 	case RT766_PDE_ACTUAL_REG(AMP, PDE23):
 	case RT766_BUF_ADDR_HID1 ... RT766_BUF_ADDR_HID2:
 		return true;
 	default:
 		return false;
 	}
 }

 static int rt766_sdca_mbq_size(struct device *dev, unsigned int reg)
 {
 	switch (reg) {
 	case RT766_VOLUME_REG(UAJ, USER_FU41, 1):
 	case RT766_VOLUME_REG(UAJ, USER_FU41, 2):
 	case RT766_VOLUME_REG(UAJ, USER_FU36, 1):
 	case RT766_VOLUME_REG(UAJ, USER_FU36, 2):
 	case RT766_GAIN_REG(UAJ, PLATFORM_FU33, 1):
 	case RT766_GAIN_REG(UAJ, PLATFORM_FU33, 2):
 	case RT766_VOLUME_REG(MIC, USER_FU113, 1):
 	case RT766_VOLUME_REG(MIC, USER_FU113, 2):
 	case RT766_VOLUME_REG(MIC, USER_FU113, 3):
 	case RT766_VOLUME_REG(MIC, USER_FU113, 4):
 	case RT766_VOLUME_REG(AMP, USER_FU21, 1):
 	case RT766_VOLUME_REG(AMP, USER_FU21, 2):
 		return 2;
 	default:
 		return 1;
 	}
 }

 static const struct regmap_sdw_mbq_cfg rt766_sdca_mbq_cfg = {
 	.mbq_size = rt766_sdca_mbq_size,
 };

 static const struct regmap_config rt766_sdca_regmap = {
 	.reg_bits = 32,
 	.val_bits = 16,
 	.readable_reg = rt766_sdca_readable_register,
 	.volatile_reg = rt766_sdca_volatile_register,
 	.reg_defaults = rt766_sdca_defaults,
 	.num_reg_defaults = ARRAY_SIZE(rt766_sdca_defaults),
 	.max_register = SDW_SDCA_MAX_REGISTER,
 	.cache_type = REGCACHE_MAPLE,
 	.use_single_read = true,
 	.use_single_write = true,
 };

 static int rt766_sdca_update_status(struct sdw_slave *slave,
 				enum sdw_slave_status status)
 {
 	struct rt766_sdca_priv *rt766 = dev_get_drvdata(&slave->dev);

 	if (status == SDW_SLAVE_UNATTACHED)
 		rt766->hw_init = false;

 	if (status == SDW_SLAVE_ATTACHED) {
 		if (rt766->hs_jack) {
 			/*
 			 * Due to the SCP_SDCA_INTMASK will be cleared by any reset, and then
 			 * if the device attached again, we will need to set the setting back.
 			 * It could avoid losing the jack detection interrupt.
 			 * This also could sync with the cache value as the rt766_sdca_jack_init set.
 			 */
 			sdw_write_no_pm(rt766->slave, SDW_SCP_SDCA_INTMASK3,
 				SDW_SCP_SDCA_INTMASK_SDCA_16);
 			sdw_write_no_pm(rt766->slave, SDW_SCP_SDCA_INTMASK4,
 				SDW_SCP_SDCA_INTMASK_SDCA_24);
 		}
 	}

 	/*
 	 * Perform initialization only if slave status is present and
 	 * hw_init flag is false
 	 */
 	if (rt766->hw_init || status != SDW_SLAVE_ATTACHED)
 		return 0;

 	/* perform I/O transfers required for Slave initialization */
 	return rt766_sdca_io_init(&slave->dev, slave);
 }

 static int rt766_sdca_read_prop(struct sdw_slave *slave)
 {
 	struct sdw_slave_prop *prop = &slave->prop;
 	int ret;

 	ret = sdw_slave_read_prop(slave);
 	if (ret < 0)
 		return ret;

 	prop->scp_int1_mask = SDW_SCP_INT1_BUS_CLASH | SDW_SCP_INT1_PARITY;
 	prop->quirks = SDW_SLAVE_QUIRKS_INVALID_INITIAL_PARITY;
 	/*
 	 * SDCA interrupts are routed through SoundWire domain IRQ.
 	 */
 	prop->use_domain_irq = true;

 	return 0;
 }

 static const struct sdw_slave_ops rt766_sdca_slave_ops = {
 	.read_prop = rt766_sdca_read_prop,
 	.update_status = rt766_sdca_update_status,
 };

 static int rt766_sdca_sdw_probe(struct sdw_slave *slave,
 				const struct sdw_device_id *id)
 {
 	struct regmap *regmap;

 	/* Regmap Initialization */
 	regmap = devm_regmap_init_sdw_mbq_cfg(&slave->dev, slave,
 					      &rt766_sdca_regmap, &rt766_sdca_mbq_cfg);
 	if (IS_ERR(regmap))
 		return PTR_ERR(regmap);

 	return rt766_sdca_init(&slave->dev, regmap, slave);
 }

 static void rt766_sdca_sdw_remove(struct sdw_slave *slave)
 {
 	pm_runtime_disable(&slave->dev);
 }

 static const struct sdw_device_id rt766_sdca_id[] = {
 	SDW_SLAVE_ENTRY_EXT(0x025d, 0x766, 0x3, 0x1, 0),
 	SDW_SLAVE_ENTRY_EXT(0x025d, 0x767, 0x3, 0x1, 0),
 	{},
 };
 MODULE_DEVICE_TABLE(sdw, rt766_sdca_id);

 static int rt766_sdca_dev_suspend(struct device *dev)
 {
 	struct rt766_sdca_priv *rt766 = dev_get_drvdata(dev);

 	if (!rt766->hw_init)
 		return 0;

 	regcache_cache_only(rt766->regmap, true);
 	return 0;
 }

 static int rt766_sdca_dev_system_suspend(struct device *dev)
 {
 	struct rt766_sdca_priv *rt766 = dev_get_drvdata(dev);
 	struct sdw_slave *slave = dev_to_sdw_dev(dev);
 	int ret1, ret2;

 	if (!rt766->hw_init)
 		return 0;

 	/*
 	 * prevent new interrupts from being handled after the
 	 * deferred work completes and before the parent disables
 	 * interrupts on the link
 	 */
 	mutex_lock(&rt766->disable_irq_lock);
 	rt766->disable_irq = true;
 	ret1 = sdw_update_no_pm(slave, SDW_SCP_SDCA_INTMASK3,
 				SDW_SCP_SDCA_INTMASK_SDCA_16, 0);
 	ret2 = sdw_update_no_pm(slave, SDW_SCP_SDCA_INTMASK4,
 				SDW_SCP_SDCA_INTMASK_SDCA_24, 0);
 	mutex_unlock(&rt766->disable_irq_lock);

 	if (ret1 < 0 || ret2 < 0) {
 		/* log but don't prevent suspend from happening */
 		dev_dbg(&slave->dev, "%s: could not disable SDCA interrupts\n:", __func__);
 	}

 	return rt766_sdca_dev_suspend(dev);
 }

 static int rt766_sdca_dev_resume(struct device *dev)
 {
 	struct sdw_slave *slave = dev_to_sdw_dev(dev);
 	struct rt766_sdca_priv *rt766 = dev_get_drvdata(dev);
 	int ret;

 	if (!rt766->first_hw_init)
 		return 0;

 	if (!slave->unattach_request) {
 		mutex_lock(&rt766->disable_irq_lock);
 		if (rt766->disable_irq == true) {
 			sdw_write_no_pm(slave, SDW_SCP_SDCA_INTMASK3, SDW_SCP_SDCA_INTMASK_SDCA_16);
 			sdw_write_no_pm(slave, SDW_SCP_SDCA_INTMASK4, SDW_SCP_SDCA_INTMASK_SDCA_24);
 			rt766->disable_irq = false;
 		}
 		mutex_unlock(&rt766->disable_irq_lock);
 		goto regmap_sync;
 	}

 	ret = sdw_slave_wait_for_init(slave, RT766_PROBE_TIMEOUT);
 	if (ret) {
 		sdw_show_ping_status(slave->bus, true);
 		return ret;
 	}

 regmap_sync:
 	regcache_cache_only(rt766->regmap, false);
 	ret = regcache_sync(rt766->regmap);
 	if (ret) {
 		regcache_cache_only(rt766->regmap, true);
 		regcache_mark_dirty(rt766->regmap);
 		return ret;
 	}

 	return 0;
 }

 static const struct dev_pm_ops rt766_sdca_pm = {
 	SYSTEM_SLEEP_PM_OPS(rt766_sdca_dev_system_suspend, rt766_sdca_dev_resume)
 	RUNTIME_PM_OPS(rt766_sdca_dev_suspend, rt766_sdca_dev_resume, NULL)
 };

 static struct sdw_driver rt766_sdca_sdw_driver = {
 	.driver = {
 		.name = "rt766-sdca",
 		.pm = pm_ptr(&rt766_sdca_pm),
 	},
 	.probe = rt766_sdca_sdw_probe,
 	.remove = rt766_sdca_sdw_remove,
 	.ops = &rt766_sdca_slave_ops,
 	.id_table = rt766_sdca_id,
 };
 module_sdw_driver(rt766_sdca_sdw_driver);

 MODULE_DESCRIPTION("ASoC RT766 SDCA SDW driver");
 MODULE_AUTHOR("Shuming Fan <shumingf@realtek.com>");
 MODULE_LICENSE("GPL");
 MODULE_IMPORT_NS("SND_SOC_SDCA");
	// SPDX-License-Identifier: GPL-2.0-only
	//
	// rt766-sdca-sdw.c -- rt766 SDCA ALSA SoC audio driver
	//
	// Copyright(c) 2026 Realtek Semiconductor Corp.
	//
	//

	#include <linux/delay.h>
	#include <linux/device.h>
	#include <linux/module.h>
	#include <linux/pm_runtime.h>
	#include <linux/soundwire/sdw_registers.h>
	#include <sound/sdca.h>
	#include <sound/sdca_function.h>
	#include "rt766-sdca.h"
	#include "rt766-sdca-sdw.h"

	#define RT766_PROBE_TIMEOUT 5000

	static bool rt766_sdca_readable_register(struct device *dev, unsigned int reg)
	{
	switch (reg) {
	case SDW_SCP_SDCA_INT1 ... SDW_SCP_SDCA_INTMASK4:
	case RT766_VERSION_ID ... RT766_BOND_LATCH_ID:
	case 0xc344 ... 0xc345:
	case 0xc900:
	case 0xc920:
	case 0xd540 ... 0xd542:
	case 0xf01e:
	case RT766_HP_POWER_STATE ... RT766_HP_FSM_CTL2_1:
	case 0x310100:
	case RT766_MCU_PATCH_ADDR1_START ... RT766_MCU_PATCH_ADDR1_END:
	case RT766_MCU_PATCH_ADDR2_START ... RT766_MCU_PATCH_ADDR2_END:
	case RT766_MUTE_REG(UAJ, USER_FU41, 1):
	case RT766_MUTE_REG(UAJ, USER_FU41, 2):
	case RT766_VOLUME_REG(UAJ, USER_FU41, 1):
	case RT766_VOLUME_REG(UAJ, USER_FU41, 2):
	case RT766_MUTE_REG(UAJ, USER_FU36, 1):
	case RT766_MUTE_REG(UAJ, USER_FU36, 2):
	case RT766_VOLUME_REG(UAJ, USER_FU36, 1):
	case RT766_VOLUME_REG(UAJ, USER_FU36, 2):
	case RT766_PDE_REQ_REG(UAJ, PDE47):
	case RT766_PDE_REQ_REG(UAJ, PDE34):
	case RT766_SDCA_CTL(UAJ, CS41, SDCA_CTL_CS_SAMPLERATEINDEX):
	case RT766_SDCA_CTL(UAJ, CS36, SDCA_CTL_CS_SAMPLERATEINDEX):
	case RT766_FUNC_STATUS_REG(UAJ): /* 0x40480000 */
	case RT766_PDE_ACTUAL_REG(UAJ, PDE47): /* 0x40481400 */
	case RT766_PDE_ACTUAL_REG(UAJ, PDE34): /* 0x40481480 */
	case RT766_GAIN_REG(UAJ, PLATFORM_FU33, 1):
	case RT766_GAIN_REG(UAJ, PLATFORM_FU33, 2):
	case RT766_SDCA_CTL(UAJ, GE49, SDCA_CTL_GE_SELECTED_MODE):
	case RT766_SDCA_CTL(UAJ, GE49, SDCA_CTL_GE_DETECTED_MODE): /* 0x40600490 */
	case RT766_PDE_REQ_REG(MIC, PDE11):
	case RT766_MUTE_REG(MIC, USER_FU113, 1):
	case RT766_MUTE_REG(MIC, USER_FU113, 2):
	case RT766_MUTE_REG(MIC, USER_FU113, 3):
	case RT766_MUTE_REG(MIC, USER_FU113, 4):
	case RT766_VOLUME_REG(MIC, USER_FU113, 1):
	case RT766_VOLUME_REG(MIC, USER_FU113, 2):
	case RT766_VOLUME_REG(MIC, USER_FU113, 3):
	case RT766_VOLUME_REG(MIC, USER_FU113, 4):
	case RT766_FUNC_STATUS_REG(MIC): /* 0x40880000 */
	case RT766_SDCA_CTL(MIC, CS113, SDCA_CTL_CS_SAMPLERATEINDEX):
	case RT766_PDE_ACTUAL_REG(MIC, PDE11): /* 0x40881500 */
	case RT766_FUNC_STATUS_REG(HID): /* 0x40c80000 */
	/* 0x40c80080 - 0x40c80098 */
	case RT766_SDCA_CTL(HID, HID101, SDCA_CTL_HIDE_HIDTX_CURRENTOWNER) ...
	RT766_SDCA_CTL(HID, HID101, SDCA_CTL_HIDE_HIDTX_MESSAGELENGTH):
	case RT766_MUTE_REG(AMP, USER_FU21, 1):
	case RT766_MUTE_REG(AMP, USER_FU21, 2):
	case RT766_VOLUME_REG(AMP, USER_FU21, 1):
	case RT766_VOLUME_REG(AMP, USER_FU21, 2):
	case RT766_PDE_REQ_REG(AMP, PDE23):
	case RT766_FUNC_STATUS_REG(AMP): /* 0x41080000 */
	case RT766_SDCA_CTL(AMP, PPU21, SDCA_CTL_PPU_POSTURENUMBER):
	case RT766_SDCA_CTL(AMP, CS21, SDCA_CTL_CS_SAMPLERATEINDEX):
	case RT766_PDE_ACTUAL_REG(AMP, PDE23): /* 0x41081980 */
	case RT766_BUF_ADDR_HID1 ... RT766_BUF_ADDR_HID2:
	return true;
	default:
	return false;
	}
	}

	static bool rt766_sdca_volatile_register(struct device *dev, unsigned int reg)
	{
	switch (reg) {
	case SDW_SCP_SDCA_INT1 ... SDW_SCP_SDCA_INTMASK4:
	case RT766_VERSION_ID ... RT766_BOND_LATCH_ID:
	case 0xc344 ... 0xc345:
	case 0xc900:
	case 0xc920:
	case 0xd540 ... 0xd542:
	case 0xf01e:
	case RT766_HP_POWER_STATE ... RT766_HP_FSM_CTL2_1:
	case 0x310100:
	case RT766_MCU_PATCH_ADDR1_START ... RT766_MCU_PATCH_ADDR1_END:
	case RT766_MCU_PATCH_ADDR2_START ... RT766_MCU_PATCH_ADDR2_END:
	case RT766_FUNC_STATUS_REG(UAJ):
	case RT766_PDE_ACTUAL_REG(UAJ, PDE47):
	case RT766_PDE_ACTUAL_REG(UAJ, PDE34):
	case RT766_SDCA_CTL(UAJ, GE49, SDCA_CTL_GE_DETECTED_MODE):
	case RT766_FUNC_STATUS_REG(MIC):
	case RT766_PDE_ACTUAL_REG(MIC, PDE11):
	case RT766_FUNC_STATUS_REG(HID):
	case RT766_SDCA_CTL(HID, HID101, SDCA_CTL_HIDE_HIDTX_CURRENTOWNER) ...
	RT766_SDCA_CTL(HID, HID101, SDCA_CTL_HIDE_HIDTX_MESSAGELENGTH):
	case RT766_FUNC_STATUS_REG(AMP):
	case RT766_PDE_ACTUAL_REG(AMP, PDE23):
	case RT766_BUF_ADDR_HID1 ... RT766_BUF_ADDR_HID2:
	return true;
	default:
	return false;
	}
	}

	static int rt766_sdca_mbq_size(struct device *dev, unsigned int reg)
	{
	switch (reg) {
	case RT766_VOLUME_REG(UAJ, USER_FU41, 1):
	case RT766_VOLUME_REG(UAJ, USER_FU41, 2):
	case RT766_VOLUME_REG(UAJ, USER_FU36, 1):
	case RT766_VOLUME_REG(UAJ, USER_FU36, 2):
	case RT766_GAIN_REG(UAJ, PLATFORM_FU33, 1):
	case RT766_GAIN_REG(UAJ, PLATFORM_FU33, 2):
	case RT766_VOLUME_REG(MIC, USER_FU113, 1):
	case RT766_VOLUME_REG(MIC, USER_FU113, 2):
	case RT766_VOLUME_REG(MIC, USER_FU113, 3):
	case RT766_VOLUME_REG(MIC, USER_FU113, 4):
	case RT766_VOLUME_REG(AMP, USER_FU21, 1):
	case RT766_VOLUME_REG(AMP, USER_FU21, 2):
	return 2;
	default:
	return 1;
	}
	}

	static const struct regmap_sdw_mbq_cfg rt766_sdca_mbq_cfg = {
	.mbq_size = rt766_sdca_mbq_size,
	};

	static const struct regmap_config rt766_sdca_regmap = {
	.reg_bits = 32,
	.val_bits = 16,
	.readable_reg = rt766_sdca_readable_register,
	.volatile_reg = rt766_sdca_volatile_register,
	.reg_defaults = rt766_sdca_defaults,
	.num_reg_defaults = ARRAY_SIZE(rt766_sdca_defaults),
	.max_register = SDW_SDCA_MAX_REGISTER,
	.cache_type = REGCACHE_MAPLE,
	.use_single_read = true,
	.use_single_write = true,
	};

	static int rt766_sdca_update_status(struct sdw_slave *slave,
	enum sdw_slave_status status)
	{
	struct rt766_sdca_priv *rt766 = dev_get_drvdata(&slave->dev);

	if (status == SDW_SLAVE_UNATTACHED)
	rt766->hw_init = false;

	if (status == SDW_SLAVE_ATTACHED) {
	if (rt766->hs_jack) {
	/*
	* Due to the SCP_SDCA_INTMASK will be cleared by any reset, and then
	* if the device attached again, we will need to set the setting back.
	* It could avoid losing the jack detection interrupt.
	* This also could sync with the cache value as the rt766_sdca_jack_init set.
	*/
	sdw_write_no_pm(rt766->slave, SDW_SCP_SDCA_INTMASK3,
	SDW_SCP_SDCA_INTMASK_SDCA_16);
	sdw_write_no_pm(rt766->slave, SDW_SCP_SDCA_INTMASK4,
	SDW_SCP_SDCA_INTMASK_SDCA_24);
	}
	}

	/*
	* Perform initialization only if slave status is present and
	* hw_init flag is false
	*/
	if (rt766->hw_init \|\| status != SDW_SLAVE_ATTACHED)
	return 0;

	/* perform I/O transfers required for Slave initialization */
	return rt766_sdca_io_init(&slave->dev, slave);
	}

	static int rt766_sdca_read_prop(struct sdw_slave *slave)
	{
	struct sdw_slave_prop *prop = &slave->prop;
	int ret;

	ret = sdw_slave_read_prop(slave);
	if (ret < 0)
	return ret;

	prop->scp_int1_mask = SDW_SCP_INT1_BUS_CLASH \| SDW_SCP_INT1_PARITY;
	prop->quirks = SDW_SLAVE_QUIRKS_INVALID_INITIAL_PARITY;
	/*
	* SDCA interrupts are routed through SoundWire domain IRQ.
	*/
	prop->use_domain_irq = true;

	return 0;
	}

	static const struct sdw_slave_ops rt766_sdca_slave_ops = {
	.read_prop = rt766_sdca_read_prop,
	.update_status = rt766_sdca_update_status,
	};

	static int rt766_sdca_sdw_probe(struct sdw_slave *slave,
	const struct sdw_device_id *id)
	{
	struct regmap *regmap;

	/* Regmap Initialization */
	regmap = devm_regmap_init_sdw_mbq_cfg(&slave->dev, slave,
	&rt766_sdca_regmap, &rt766_sdca_mbq_cfg);
	if (IS_ERR(regmap))
	return PTR_ERR(regmap);

	return rt766_sdca_init(&slave->dev, regmap, slave);
	}

	static void rt766_sdca_sdw_remove(struct sdw_slave *slave)
	{
	pm_runtime_disable(&slave->dev);
	}

	static const struct sdw_device_id rt766_sdca_id[] = {
	SDW_SLAVE_ENTRY_EXT(0x025d, 0x766, 0x3, 0x1, 0),
	SDW_SLAVE_ENTRY_EXT(0x025d, 0x767, 0x3, 0x1, 0),
	{},
	};
	MODULE_DEVICE_TABLE(sdw, rt766_sdca_id);

	static int rt766_sdca_dev_suspend(struct device *dev)
	{
	struct rt766_sdca_priv *rt766 = dev_get_drvdata(dev);

	if (!rt766->hw_init)
	return 0;

	regcache_cache_only(rt766->regmap, true);
	return 0;
	}

	static int rt766_sdca_dev_system_suspend(struct device *dev)
	{
	struct rt766_sdca_priv *rt766 = dev_get_drvdata(dev);
	struct sdw_slave *slave = dev_to_sdw_dev(dev);
	int ret1, ret2;

	if (!rt766->hw_init)
	return 0;

	/*
	* prevent new interrupts from being handled after the
	* deferred work completes and before the parent disables
	* interrupts on the link
	*/
	mutex_lock(&rt766->disable_irq_lock);
	rt766->disable_irq = true;
	ret1 = sdw_update_no_pm(slave, SDW_SCP_SDCA_INTMASK3,
	SDW_SCP_SDCA_INTMASK_SDCA_16, 0);
	ret2 = sdw_update_no_pm(slave, SDW_SCP_SDCA_INTMASK4,
	SDW_SCP_SDCA_INTMASK_SDCA_24, 0);
	mutex_unlock(&rt766->disable_irq_lock);

	if (ret1 < 0 \|\| ret2 < 0) {
	/* log but don't prevent suspend from happening */
	dev_dbg(&slave->dev, "%s: could not disable SDCA interrupts\n:", __func__);
	}

	return rt766_sdca_dev_suspend(dev);
	}

	static int rt766_sdca_dev_resume(struct device *dev)
	{
	struct sdw_slave *slave = dev_to_sdw_dev(dev);
	struct rt766_sdca_priv *rt766 = dev_get_drvdata(dev);
	int ret;

	if (!rt766->first_hw_init)
	return 0;

	if (!slave->unattach_request) {
	mutex_lock(&rt766->disable_irq_lock);
	if (rt766->disable_irq == true) {
	sdw_write_no_pm(slave, SDW_SCP_SDCA_INTMASK3, SDW_SCP_SDCA_INTMASK_SDCA_16);
	sdw_write_no_pm(slave, SDW_SCP_SDCA_INTMASK4, SDW_SCP_SDCA_INTMASK_SDCA_24);
	rt766->disable_irq = false;
	}
	mutex_unlock(&rt766->disable_irq_lock);
	goto regmap_sync;
	}

	ret = sdw_slave_wait_for_init(slave, RT766_PROBE_TIMEOUT);
	if (ret) {
	sdw_show_ping_status(slave->bus, true);
	return ret;
	}

	regmap_sync:
	regcache_cache_only(rt766->regmap, false);
	ret = regcache_sync(rt766->regmap);
	if (ret) {
	regcache_cache_only(rt766->regmap, true);
	regcache_mark_dirty(rt766->regmap);
	return ret;
	}

	return 0;
	}

	static const struct dev_pm_ops rt766_sdca_pm = {
	SYSTEM_SLEEP_PM_OPS(rt766_sdca_dev_system_suspend, rt766_sdca_dev_resume)
	RUNTIME_PM_OPS(rt766_sdca_dev_suspend, rt766_sdca_dev_resume, NULL)
	};

	static struct sdw_driver rt766_sdca_sdw_driver = {
	.driver = {
	.name = "rt766-sdca",
	.pm = pm_ptr(&rt766_sdca_pm),
	},
	.probe = rt766_sdca_sdw_probe,
	.remove = rt766_sdca_sdw_remove,
	.ops = &rt766_sdca_slave_ops,
	.id_table = rt766_sdca_id,
	};
	module_sdw_driver(rt766_sdca_sdw_driver);

	MODULE_DESCRIPTION("ASoC RT766 SDCA SDW driver");
	MODULE_AUTHOR("Shuming Fan <shumingf@realtek.com>");
	MODULE_LICENSE("GPL");
	MODULE_IMPORT_NS("SND_SOC_SDCA");