diff --git a/drivers/acpi/scan.c b/drivers/acpi/scan.c
index 74dcccdc6482..55a9a3d5afa8 100644
--- a/drivers/acpi/scan.c
+++ b/drivers/acpi/scan.c
@@ -1769,6 +1769,7 @@ static bool acpi_device_enumeration_by_parent(struct acpi_device *device)
 		{"CSC3557", },
 		{"INT33FE", },
 		{"INT3515", },
+		{"TXNW2781", },
 		/* Non-conforming _HID for Cirrus Logic already released */
 		{"CLSA0100", },
 		{"CLSA0101", },
diff --git a/drivers/platform/x86/serial-multi-instantiate.c b/drivers/platform/x86/serial-multi-instantiate.c
index ed6b28505cd6..db030b0f176a 100644
--- a/drivers/platform/x86/serial-multi-instantiate.c
+++ b/drivers/platform/x86/serial-multi-instantiate.c
@@ -384,6 +384,17 @@ static const struct smi_node cs35l57_hda = {
 	.bus_type = SMI_AUTO_DETECT,
 };
 
+static const struct smi_node tas2781_hda = {
+	.instances = {
+		{ "tas2781-hda", IRQ_RESOURCE_AUTO, 0 },
+		{ "tas2781-hda", IRQ_RESOURCE_AUTO, 0 },
+		{ "tas2781-hda", IRQ_RESOURCE_AUTO, 0 },
+		{ "tas2781-hda", IRQ_RESOURCE_AUTO, 0 },
+		{}
+	},
+	.bus_type = SMI_AUTO_DETECT,
+};
+
 /*
  * Note new device-ids must also be added to ignore_serial_bus_ids in
  * drivers/acpi/scan.c: acpi_device_enumeration_by_parent().
@@ -396,6 +407,7 @@ static const struct acpi_device_id smi_acpi_ids[] = {
 	{ "CSC3556", (unsigned long)&cs35l56_hda },
 	{ "CSC3557", (unsigned long)&cs35l57_hda },
 	{ "INT3515", (unsigned long)&int3515_data },
+	{ "TXNW2781", (unsigned long)&tas2781_hda },
 	/* Non-conforming _HID for Cirrus Logic already released */
 	{ "CLSA0100", (unsigned long)&cs35l41_hda },
 	{ "CLSA0101", (unsigned long)&cs35l41_hda },
diff --git a/sound/pci/hda/Kconfig b/sound/pci/hda/Kconfig
index 68f1eee9e5c9..ca3f5b69b521 100644
--- a/sound/pci/hda/Kconfig
+++ b/sound/pci/hda/Kconfig
@@ -206,6 +206,20 @@ config SND_HDA_SCODEC_TAS2781_I2C
 comment "Set to Y if you want auto-loading the side codec driver"
 	depends on SND_HDA=y && SND_HDA_SCODEC_TAS2781_I2C=m
 
+config SND_HDA_SCODEC_TAS2781_SPI
+	tristate "Build TAS2781 HD-audio side codec support for SPI Bus"
+	depends on SPI_MASTER
+	depends on ACPI
+	depends on EFI
+	depends on SND_SOC
+	select CRC32_SARWATE
+	help
+	  Say Y or M here to include TAS2781 SPI HD-audio side codec support
+	  in snd-hda-intel driver, such as ALC287.
+
+comment "Set to Y if you want auto-loading the side codec driver"
+	depends on SND_HDA=y && SND_HDA_SCODEC_TAS2781_SPI=m
+
 config SND_HDA_CODEC_REALTEK
 	tristate "Build Realtek HD-audio codec support"
 	select SND_HDA_GENERIC
diff --git a/sound/pci/hda/Makefile b/sound/pci/hda/Makefile
index 80210f845df2..210c406dfbc5 100644
--- a/sound/pci/hda/Makefile
+++ b/sound/pci/hda/Makefile
@@ -40,6 +40,7 @@ snd-hda-scodec-cs35l56-spi-y :=	cs35l56_hda_spi.o
 snd-hda-cs-dsp-ctls-y :=	hda_cs_dsp_ctl.o
 snd-hda-scodec-component-y :=	hda_component.o
 snd-hda-scodec-tas2781-i2c-y :=	tas2781_hda_i2c.o
+snd-hda-scodec-tas2781-spi-y :=	tas2781_hda_spi.o tas2781_spi_fwlib.o
 
 # common driver
 obj-$(CONFIG_SND_HDA) := snd-hda-codec.o
@@ -72,6 +73,7 @@ obj-$(CONFIG_SND_HDA_SCODEC_CS35L56_SPI) += snd-hda-scodec-cs35l56-spi.o
 obj-$(CONFIG_SND_HDA_CS_DSP_CONTROLS) += snd-hda-cs-dsp-ctls.o
 obj-$(CONFIG_SND_HDA_SCODEC_COMPONENT) += snd-hda-scodec-component.o
 obj-$(CONFIG_SND_HDA_SCODEC_TAS2781_I2C) += snd-hda-scodec-tas2781-i2c.o
+obj-$(CONFIG_SND_HDA_SCODEC_TAS2781_SPI) += snd-hda-scodec-tas2781-spi.o
 
 # this must be the last entry after codec drivers;
 # otherwise the codec patches won't be hooked before the PCI probe
diff --git a/sound/pci/hda/patch_realtek.c b/sound/pci/hda/patch_realtek.c
index 17392b21d5bf..f457e879ba42 100644
--- a/sound/pci/hda/patch_realtek.c
+++ b/sound/pci/hda/patch_realtek.c
@@ -7128,6 +7128,11 @@ static void tas2781_fixup_i2c(struct hda_codec *cdc,
 	comp_generic_fixup(cdc, action, "i2c", "TIAS2781", "-%s:00", 1);
 }
 
+static void tas2781_fixup_spi(struct hda_codec *cdc, const struct hda_fixup *fix, int action)
+{
+	comp_generic_fixup(cdc, action, "spi", "TXNW2781", "-%s:00-tas2781-hda.%d", 2);
+}
+
 static void yoga7_14arb7_fixup_i2c(struct hda_codec *cdc,
 	const struct hda_fixup *fix, int action)
 {
@@ -7761,6 +7766,7 @@ enum {
 	ALC236_FIXUP_DELL_DUAL_CODECS,
 	ALC287_FIXUP_CS35L41_I2C_2_THINKPAD_ACPI,
 	ALC287_FIXUP_TAS2781_I2C,
+	ALC245_FIXUP_TAS2781_SPI_2,
 	ALC287_FIXUP_YOGA7_14ARB7_I2C,
 	ALC245_FIXUP_HP_MUTE_LED_COEFBIT,
 	ALC245_FIXUP_HP_X360_MUTE_LEDS,
@@ -9965,6 +9971,12 @@ static const struct hda_fixup alc269_fixups[] = {
 		.chained = true,
 		.chain_id = ALC285_FIXUP_THINKPAD_HEADSET_JACK,
 	},
+	[ALC245_FIXUP_TAS2781_SPI_2] = {
+		.type = HDA_FIXUP_FUNC,
+		.v.func = tas2781_fixup_spi,
+		.chained = true,
+		.chain_id = ALC285_FIXUP_HP_GPIO_LED,
+	},
 	[ALC287_FIXUP_YOGA7_14ARB7_I2C] = {
 		.type = HDA_FIXUP_FUNC,
 		.v.func = yoga7_14arb7_fixup_i2c,
@@ -10526,6 +10538,8 @@ static const struct hda_quirk alc269_fixup_tbl[] = {
 	SND_PCI_QUIRK(0x103c, 0x8d84, "HP EliteBook X G1i", ALC285_FIXUP_HP_GPIO_LED),
 	SND_PCI_QUIRK(0x103c, 0x8d91, "HP ZBook Firefly 14 G12", ALC285_FIXUP_HP_GPIO_LED),
 	SND_PCI_QUIRK(0x103c, 0x8d92, "HP ZBook Firefly 16 G12", ALC285_FIXUP_HP_GPIO_LED),
+	SND_PCI_QUIRK(0x103c, 0x8de8, "HP Gemtree", ALC245_FIXUP_TAS2781_SPI_2),
+	SND_PCI_QUIRK(0x103c, 0x8de9, "HP Gemtree", ALC245_FIXUP_TAS2781_SPI_2),
 	SND_PCI_QUIRK(0x103c, 0x8e18, "HP ZBook Firefly 14 G12A", ALC285_FIXUP_HP_GPIO_LED),
 	SND_PCI_QUIRK(0x103c, 0x8e19, "HP ZBook Firefly 14 G12A", ALC285_FIXUP_HP_GPIO_LED),
 	SND_PCI_QUIRK(0x103c, 0x8e1a, "HP ZBook Firefly 14 G12A", ALC285_FIXUP_HP_GPIO_LED),
diff --git a/sound/pci/hda/tas2781-spi.h b/sound/pci/hda/tas2781-spi.h
new file mode 100644
index 000000000000..ecfc3c8bb821
--- /dev/null
+++ b/sound/pci/hda/tas2781-spi.h
@@ -0,0 +1,158 @@
+/* SPDX-License-Identifier: GPL-2.0 */
+//
+// ALSA SoC Texas Instruments TAS2781 Audio Smart Amplifier
+//
+// Copyright (C) 2024 Texas Instruments Incorporated
+// https://www.ti.com
+//
+// The TAS2781 driver implements a flexible and configurable
+// algo coefficient setting for TAS2781 chips.
+//
+// Author: Baojun Xu <baojun.xu@ti.com>
+//
+
+#ifndef __TAS2781_SPI_H__
+#define __TAS2781_SPI_H__
+
+#define TASDEVICE_RATES			\
+	(SNDRV_PCM_RATE_44100 |	SNDRV_PCM_RATE_48000 | \
+	SNDRV_PCM_RATE_96000 | SNDRV_PCM_RATE_88200)
+
+#define TASDEVICE_FORMATS		\
+	(SNDRV_PCM_FMTBIT_S16_LE | SNDRV_PCM_FMTBIT_S24_LE | \
+	SNDRV_PCM_FMTBIT_S32_LE)
+
+#define TASDEVICE_MAX_BOOK_NUM		256
+#define TASDEVICE_MAX_PAGE		256
+
+#define TASDEVICE_MAX_SIZE	(TASDEVICE_MAX_BOOK_NUM * TASDEVICE_MAX_PAGE)
+
+/* PAGE Control Register (available in page0 of each book) */
+#define TASDEVICE_PAGE_SELECT		0x00
+#define TASDEVICE_BOOKCTL_PAGE		0x00
+#define TASDEVICE_BOOKCTL_REG		GENMASK(7, 1)
+#define TASDEVICE_BOOK_ID(reg)		(((reg) & GENMASK(24, 16)) >> 16)
+#define TASDEVICE_PAGE_ID(reg)		(((reg) & GENMASK(15, 8)) >> 8)
+#define TASDEVICE_REG_ID(reg)		(((reg) & GENMASK(7, 1)) >> 1)
+#define TASDEVICE_PAGE_REG(reg)		((reg) & GENMASK(15, 1))
+#define TASDEVICE_REG(book, page, reg)	\
+	(((book) << 16) | ((page) << 8) | ((reg) << 1))
+
+/* Software Reset */
+#define TAS2781_REG_SWRESET		TASDEVICE_REG(0x0, 0x0, 0x01)
+#define TAS2781_REG_SWRESET_RESET	BIT(0)
+
+/* System Reset Check Register */
+#define TAS2781_REG_CLK_CONFIG		TASDEVICE_REG(0x0, 0x0, 0x5c)
+#define TAS2781_REG_CLK_CONFIG_RESET	(0x19)
+#define TAS2781_PRE_POST_RESET_CFG	3
+
+/* Block Checksum */
+#define TASDEVICE_CHECKSUM		TASDEVICE_REG(0x0, 0x0, 0x7e)
+
+/* Volume control */
+#define TAS2781_DVC_LVL			TASDEVICE_REG(0x0, 0x0, 0x1a)
+#define TAS2781_AMP_LEVEL		TASDEVICE_REG(0x0, 0x0, 0x03)
+#define TAS2781_AMP_LEVEL_MASK		GENMASK(5, 1)
+
+#define TASDEVICE_CMD_SING_W		0x1
+#define TASDEVICE_CMD_BURST		0x2
+#define TASDEVICE_CMD_DELAY		0x3
+#define TASDEVICE_CMD_FIELD_W		0x4
+
+#define TAS2781_SPI_MAX_FREQ		(4 * HZ_PER_MHZ)
+
+#define TASDEVICE_CRC8_POLYNOMIAL		0x4d
+#define TASDEVICE_SPEAKER_CALIBRATION_SIZE	20
+
+/* Flag of calibration registers address. */
+#define TASDEVICE_CALIBRATION_REG_ADDRESS	BIT(7)
+
+#define TASDEVICE_CALIBRATION_DATA_NAME	L"CALI_DATA"
+#define TASDEVICE_CALIBRATION_DATA_SIZE	256
+
+enum calib_data {
+	R0_VAL = 0,
+	INV_R0,
+	R0LOW,
+	POWER,
+	TLIM,
+	CALIB_MAX
+};
+
+struct tasdevice_priv {
+	struct tasdevice_fw *cali_data_fmw;
+	struct tasdevice_rca rcabin;
+	struct tasdevice_fw *fmw;
+	struct gpio_desc *reset;
+	struct mutex codec_lock;
+	struct regmap *regmap;
+	struct device *dev;
+	struct tm tm;
+
+	unsigned char crc8_lkp_tbl[CRC8_TABLE_SIZE];
+	unsigned char coef_binaryname[64];
+	unsigned char rca_binaryname[64];
+	unsigned char dev_name[32];
+
+	bool force_fwload_status;
+	bool playback_started;
+	bool is_loading;
+	bool is_loaderr;
+	unsigned int cali_reg_array[CALIB_MAX];
+	unsigned int cali_data[CALIB_MAX];
+	unsigned int err_code;
+	void *codec;
+	int cur_book;
+	int cur_prog;
+	int cur_conf;
+	int fw_state;
+	int index;
+	int irq;
+
+	int (*fw_parse_variable_header)(struct tasdevice_priv *tas_priv,
+					const struct firmware *fmw,
+					int offset);
+	int (*fw_parse_program_data)(struct tasdevice_priv *tas_priv,
+				     struct tasdevice_fw *tas_fmw,
+				     const struct firmware *fmw, int offset);
+	int (*fw_parse_configuration_data)(struct tasdevice_priv *tas_priv,
+					   struct tasdevice_fw *tas_fmw,
+					   const struct firmware *fmw,
+					   int offset);
+	int (*tasdevice_load_block)(struct tasdevice_priv *tas_priv,
+				    struct tasdev_blk *block);
+
+	int (*save_calibration)(struct tasdevice_priv *tas_priv);
+	void (*apply_calibration)(struct tasdevice_priv *tas_priv);
+};
+
+int tasdevice_spi_dev_read(struct tasdevice_priv *tas_priv,
+			   unsigned int reg, unsigned int *value);
+int tasdevice_spi_dev_write(struct tasdevice_priv *tas_priv,
+			    unsigned int reg, unsigned int value);
+int tasdevice_spi_dev_bulk_write(struct tasdevice_priv *tas_priv,
+				 unsigned int reg, unsigned char *p_data,
+				 unsigned int n_length);
+int tasdevice_spi_dev_bulk_read(struct tasdevice_priv *tas_priv,
+				unsigned int reg, unsigned char *p_data,
+				unsigned int n_length);
+int tasdevice_spi_dev_update_bits(struct tasdevice_priv *tasdevice,
+				  unsigned int reg, unsigned int mask,
+				  unsigned int value);
+
+void tasdevice_spi_select_cfg_blk(void *context, int conf_no,
+				  unsigned char block_type);
+void tasdevice_spi_config_info_remove(void *context);
+int tasdevice_spi_dsp_parser(void *context);
+int tasdevice_spi_rca_parser(void *context, const struct firmware *fmw);
+void tasdevice_spi_dsp_remove(void *context);
+void tasdevice_spi_calbin_remove(void *context);
+int tasdevice_spi_select_tuningprm_cfg(void *context, int prm, int cfg_no,
+				       int rca_conf_no);
+int tasdevice_spi_prmg_load(void *context, int prm_no);
+int tasdevice_spi_prmg_calibdata_load(void *context, int prm_no);
+void tasdevice_spi_tuning_switch(void *context, int state);
+int tas2781_spi_load_calibration(void *context, char *file_name,
+				 unsigned short i);
+#endif /* __TAS2781_SPI_H__ */
diff --git a/sound/pci/hda/tas2781_hda_spi.c b/sound/pci/hda/tas2781_hda_spi.c
new file mode 100644
index 000000000000..8068c70b7014
--- /dev/null
+++ b/sound/pci/hda/tas2781_hda_spi.c
@@ -0,0 +1,1271 @@
+// SPDX-License-Identifier: GPL-2.0
+//
+// TAS2781 HDA SPI driver
+//
+// Copyright 2024 Texas Instruments, Inc.
+//
+// Author: Baojun Xu <baojun.xu@ti.com>
+
+#include <linux/acpi.h>
+#include <linux/array_size.h>
+#include <linux/bits.h>
+#include <linux/cleanup.h>
+#include <linux/crc8.h>
+#include <linux/crc32.h>
+#include <linux/efi.h>
+#include <linux/firmware.h>
+#include <linux/mod_devicetable.h>
+#include <linux/module.h>
+#include <linux/mutex.h>
+#include <linux/pm_runtime.h>
+#include <linux/property.h>
+#include <linux/regmap.h>
+#include <linux/spi/spi.h>
+#include <linux/time.h>
+#include <linux/types.h>
+#include <linux/units.h>
+
+#include <sound/hda_codec.h>
+#include <sound/soc.h>
+#include <sound/tas2781-dsp.h>
+#include <sound/tlv.h>
+#include <sound/tas2781-tlv.h>
+
+#include "tas2781-spi.h"
+
+#include "hda_local.h"
+#include "hda_auto_parser.h"
+#include "hda_component.h"
+#include "hda_jack.h"
+#include "hda_generic.h"
+
+/*
+ * No standard control callbacks for SNDRV_CTL_ELEM_IFACE_CARD
+ * Define two controls, one is Volume control callbacks, the other is
+ * flag setting control callbacks.
+ */
+
+/* Volume control callbacks for tas2781 */
+#define ACARD_SINGLE_RANGE_EXT_TLV(xname, xreg, xshift, xmin, xmax, xinvert, \
+	xhandler_get, xhandler_put, tlv_array) { \
+	.iface = SNDRV_CTL_ELEM_IFACE_CARD, .name = (xname), \
+	.access = SNDRV_CTL_ELEM_ACCESS_TLV_READ | \
+		SNDRV_CTL_ELEM_ACCESS_READWRITE, \
+	.tlv.p = (tlv_array), \
+	.info = snd_soc_info_volsw_range, \
+	.get = xhandler_get, .put = xhandler_put, \
+	.private_value = (unsigned long)&(struct soc_mixer_control) { \
+		.reg = xreg, .rreg = xreg, \
+		.shift = xshift, .rshift = xshift,\
+		.min = xmin, .max = xmax, .invert = xinvert, \
+	} \
+}
+
+/* Flag control callbacks for tas2781 */
+#define ACARD_SINGLE_BOOL_EXT(xname, xdata, xhandler_get, xhandler_put) { \
+	.iface = SNDRV_CTL_ELEM_IFACE_CARD, \
+	.name = xname, \
+	.info = snd_ctl_boolean_mono_info, \
+	.get = xhandler_get, \
+	.put = xhandler_put, \
+	.private_value = xdata, \
+}
+
+struct tas2781_hda {
+	struct tasdevice_priv *priv;
+	struct acpi_device *dacpi;
+	struct snd_kcontrol *dsp_prog_ctl;
+	struct snd_kcontrol *dsp_conf_ctl;
+	struct snd_kcontrol *snd_ctls[3];
+	struct snd_kcontrol *prof_ctl;
+};
+
+static const struct regmap_range_cfg tasdevice_ranges[] = {
+	{
+		.range_min = 0,
+		.range_max = TASDEVICE_MAX_SIZE,
+		.selector_reg = TASDEVICE_PAGE_SELECT,
+		.selector_mask = GENMASK(7, 0),
+		.selector_shift = 0,
+		.window_start = 0,
+		.window_len = TASDEVICE_MAX_PAGE,
+	},
+};
+
+static const struct regmap_config tasdevice_regmap = {
+	.reg_bits = 8,
+	.val_bits = 8,
+	.zero_flag_mask = true,
+	.cache_type = REGCACHE_NONE,
+	.ranges = tasdevice_ranges,
+	.num_ranges = ARRAY_SIZE(tasdevice_ranges),
+	.max_register = TASDEVICE_MAX_SIZE,
+};
+
+static int tasdevice_spi_switch_book(struct tasdevice_priv *tas_priv, int reg)
+{
+	struct regmap *map = tas_priv->regmap;
+	int ret;
+
+	if (tas_priv->cur_book != TASDEVICE_BOOK_ID(reg)) {
+		ret = regmap_write(map, TASDEVICE_BOOKCTL_REG,
+				   TASDEVICE_BOOK_ID(reg));
+		if (ret < 0) {
+			dev_err(tas_priv->dev, "Switch Book E=%d\n", ret);
+			return ret;
+		}
+		tas_priv->cur_book = TASDEVICE_BOOK_ID(reg);
+	}
+	return ret;
+}
+
+int tasdevice_spi_dev_read(struct tasdevice_priv *tas_priv,
+			   unsigned int reg,
+			   unsigned int *val)
+{
+	struct regmap *map = tas_priv->regmap;
+	int ret;
+
+	ret = tasdevice_spi_switch_book(tas_priv, reg);
+	if (ret < 0)
+		return ret;
+
+	/*
+	 * In our TAS2781 SPI mode, if read from other book (not book 0),
+	 * or read from page number larger than 1 in book 0, one more byte
+	 * read is needed, and first byte is a dummy byte, need to be ignored.
+	 */
+	if ((TASDEVICE_BOOK_ID(reg) > 0) || (TASDEVICE_PAGE_ID(reg) > 1)) {
+		unsigned char data[2];
+
+		ret = regmap_bulk_read(map, TASDEVICE_PAGE_REG(reg) | 1,
+			data, sizeof(data));
+		*val = data[1];
+	} else {
+		ret = regmap_read(map, TASDEVICE_PAGE_REG(reg) | 1, val);
+	}
+	if (ret < 0)
+		dev_err(tas_priv->dev, "%s, E=%d\n", __func__, ret);
+
+	return ret;
+}
+
+int tasdevice_spi_dev_write(struct tasdevice_priv *tas_priv,
+			    unsigned int reg,
+			    unsigned int value)
+{
+	struct regmap *map = tas_priv->regmap;
+	int ret;
+
+	ret = tasdevice_spi_switch_book(tas_priv, reg);
+	if (ret < 0)
+		return ret;
+
+	ret = regmap_write(map, TASDEVICE_PAGE_REG(reg), value);
+	if (ret < 0)
+		dev_err(tas_priv->dev, "%s, E=%d\n", __func__, ret);
+
+	return ret;
+}
+
+int tasdevice_spi_dev_bulk_write(struct tasdevice_priv *tas_priv,
+				 unsigned int reg,
+				 unsigned char *data,
+				 unsigned int len)
+{
+	struct regmap *map = tas_priv->regmap;
+	int ret;
+
+	ret = tasdevice_spi_switch_book(tas_priv, reg);
+	if (ret < 0)
+		return ret;
+
+	ret = regmap_bulk_write(map, TASDEVICE_PAGE_REG(reg), data, len);
+	if (ret < 0)
+		dev_err(tas_priv->dev, "%s, E=%d\n", __func__, ret);
+
+	return ret;
+}
+
+int tasdevice_spi_dev_bulk_read(struct tasdevice_priv *tas_priv,
+				unsigned int reg,
+				unsigned char *data,
+				unsigned int len)
+{
+	struct regmap *map = tas_priv->regmap;
+	int ret;
+
+	ret = tasdevice_spi_switch_book(tas_priv, reg);
+	if (ret < 0)
+		return ret;
+
+	if (len > TASDEVICE_MAX_PAGE)
+		len = TASDEVICE_MAX_PAGE;
+	/*
+	 * In our TAS2781 SPI mode, if read from other book (not book 0),
+	 * or read from page number larger than 1 in book 0, one more byte
+	 * read is needed, and first byte is a dummy byte, need to be ignored.
+	 */
+	if ((TASDEVICE_BOOK_ID(reg) > 0) || (TASDEVICE_PAGE_ID(reg) > 1)) {
+		unsigned char buf[TASDEVICE_MAX_PAGE+1];
+
+		ret = regmap_bulk_read(map, TASDEVICE_PAGE_REG(reg) | 1, buf,
+				      len + 1);
+		memcpy(data, buf + 1, len);
+	} else {
+		ret = regmap_bulk_read(map, TASDEVICE_PAGE_REG(reg) | 1, data,
+				      len);
+	}
+	if (ret < 0)
+		dev_err(tas_priv->dev, "%s, E=%d\n", __func__, ret);
+
+	return ret;
+}
+
+int tasdevice_spi_dev_update_bits(struct tasdevice_priv *tas_priv,
+				  unsigned int reg,
+				  unsigned int mask,
+				  unsigned int value)
+{
+	struct regmap *map = tas_priv->regmap;
+	int ret, val;
+
+	/*
+	 * In our TAS2781 SPI mode, read/write was masked in last bit of
+	 * address, it cause regmap_update_bits() not work as expected.
+	 */
+	ret = tasdevice_spi_dev_read(tas_priv, reg, &val);
+	if (ret < 0) {
+		dev_err(tas_priv->dev, "%s, E=%d\n", __func__, ret);
+		return ret;
+	}
+	ret = regmap_write(map, TASDEVICE_PAGE_REG(reg),
+			  (val & ~mask) | (mask & value));
+	if (ret < 0)
+		dev_err(tas_priv->dev, "%s, E=%d\n", __func__, ret);
+
+	return ret;
+}
+
+static void tas2781_spi_reset(struct tasdevice_priv *tas_dev)
+{
+	int ret;
+
+	if (tas_dev->reset) {
+		gpiod_set_value_cansleep(tas_dev->reset, 0);
+		fsleep(800);
+		gpiod_set_value_cansleep(tas_dev->reset, 1);
+	}
+	ret = tasdevice_spi_dev_write(tas_dev, TAS2781_REG_SWRESET,
+		TAS2781_REG_SWRESET_RESET);
+	if (ret < 0)
+		dev_err(tas_dev->dev, "dev sw-reset fail, %d\n", ret);
+	fsleep(1000);
+}
+
+static int tascodec_spi_init(struct tasdevice_priv *tas_priv,
+	void *codec, struct module *module,
+	void (*cont)(const struct firmware *fw, void *context))
+{
+	int ret;
+
+	/*
+	 * Codec Lock Hold to ensure that codec_probe and firmware parsing and
+	 * loading do not simultaneously execute.
+	 */
+	guard(mutex)(&tas_priv->codec_lock);
+
+	ret = scnprintf(tas_priv->rca_binaryname,
+		sizeof(tas_priv->rca_binaryname), "%sRCA%d.bin",
+		tas_priv->dev_name, tas_priv->index);
+	if (ret <= 0) {
+		dev_err(tas_priv->dev, "rca name err:0x%08x\n", ret);
+		return ret;
+	}
+	crc8_populate_msb(tas_priv->crc8_lkp_tbl, TASDEVICE_CRC8_POLYNOMIAL);
+	tas_priv->codec = codec;
+	ret = request_firmware_nowait(module, FW_ACTION_UEVENT,
+		tas_priv->rca_binaryname, tas_priv->dev, GFP_KERNEL, tas_priv,
+		cont);
+	if (ret)
+		dev_err(tas_priv->dev, "request_firmware_nowait err:0x%08x\n",
+			ret);
+
+	return ret;
+}
+
+static void tasdevice_spi_init(struct tasdevice_priv *tas_priv)
+{
+	tas_priv->cur_prog = -1;
+	tas_priv->cur_conf = -1;
+
+	tas_priv->cur_book = -1;
+	tas_priv->cur_prog = -1;
+	tas_priv->cur_conf = -1;
+
+	/* Store default registers address for calibration data. */
+	tas_priv->cali_reg_array[0] = TASDEVICE_REG(0, 0x17, 0x74);
+	tas_priv->cali_reg_array[1] = TASDEVICE_REG(0, 0x18, 0x0c);
+	tas_priv->cali_reg_array[2] = TASDEVICE_REG(0, 0x18, 0x14);
+	tas_priv->cali_reg_array[3] = TASDEVICE_REG(0, 0x13, 0x70);
+	tas_priv->cali_reg_array[4] = TASDEVICE_REG(0, 0x18, 0x7c);
+
+	mutex_init(&tas_priv->codec_lock);
+}
+
+static int tasdevice_spi_amp_putvol(struct tasdevice_priv *tas_priv,
+				    struct snd_ctl_elem_value *ucontrol,
+				    struct soc_mixer_control *mc)
+{
+	unsigned int invert = mc->invert;
+	unsigned char mask;
+	int max = mc->max;
+	int val, ret;
+
+	mask = rounddown_pow_of_two(max);
+	mask <<= mc->shift;
+	val =  clamp(invert ? max - ucontrol->value.integer.value[0] :
+		ucontrol->value.integer.value[0], 0, max);
+	ret = tasdevice_spi_dev_update_bits(tas_priv,
+		mc->reg, mask, (unsigned int)(val << mc->shift));
+	if (ret)
+		dev_err(tas_priv->dev, "set AMP vol error in dev %d\n",
+			tas_priv->index);
+
+	return ret;
+}
+
+static int tasdevice_spi_amp_getvol(struct tasdevice_priv *tas_priv,
+				    struct snd_ctl_elem_value *ucontrol,
+				    struct soc_mixer_control *mc)
+{
+	unsigned int invert = mc->invert;
+	unsigned char mask = 0;
+	int max = mc->max;
+	int ret, val;
+
+	/* Read the primary device */
+	ret = tasdevice_spi_dev_read(tas_priv, mc->reg, &val);
+	if (ret) {
+		dev_err(tas_priv->dev, "%s, get AMP vol error\n", __func__);
+		return ret;
+	}
+
+	mask = rounddown_pow_of_two(max);
+	mask <<= mc->shift;
+	val = (val & mask) >> mc->shift;
+	val = clamp(invert ? max - val : val, 0, max);
+	ucontrol->value.integer.value[0] = val;
+
+	return ret;
+}
+
+static int tasdevice_spi_digital_putvol(struct tasdevice_priv *tas_priv,
+					struct snd_ctl_elem_value *ucontrol,
+					struct soc_mixer_control *mc)
+{
+	unsigned int invert = mc->invert;
+	int max = mc->max;
+	int val, ret;
+
+	val = clamp(invert ? max - ucontrol->value.integer.value[0] :
+		ucontrol->value.integer.value[0], 0, max);
+	ret = tasdevice_spi_dev_write(tas_priv, mc->reg, (unsigned int)val);
+	if (ret)
+		dev_err(tas_priv->dev, "set digital vol err in dev %d\n",
+			tas_priv->index);
+
+	return ret;
+}
+
+static int tasdevice_spi_digital_getvol(struct tasdevice_priv *tas_priv,
+					struct snd_ctl_elem_value *ucontrol,
+					struct soc_mixer_control *mc)
+{
+	unsigned int invert = mc->invert;
+	int max = mc->max;
+	int ret, val;
+
+	/* Read the primary device as the whole */
+	ret = tasdevice_spi_dev_read(tas_priv, mc->reg, &val);
+	if (ret) {
+		dev_err(tas_priv->dev, "%s, get digital vol err\n", __func__);
+		return ret;
+	}
+
+	val = clamp(invert ? max - val : val, 0, max);
+	ucontrol->value.integer.value[0] = val;
+
+	return ret;
+}
+
+static int tas2781_read_acpi(struct tas2781_hda *tas_hda,
+			     const char *hid,
+			     int id)
+{
+	struct tasdevice_priv *p = tas_hda->priv;
+	struct acpi_device *adev;
+	struct device *physdev;
+	u32 values[HDA_MAX_COMPONENTS];
+	const char *property;
+	size_t nval;
+	int ret, i;
+
+	adev = acpi_dev_get_first_match_dev(hid, NULL, -1);
+	if (!adev) {
+		dev_err(p->dev, "Failed to find ACPI device: %s\n", hid);
+		return -ENODEV;
+	}
+
+	strscpy(p->dev_name, hid, sizeof(p->dev_name));
+	tas_hda->dacpi = adev;
+	physdev = get_device(acpi_get_first_physical_node(adev));
+	acpi_dev_put(adev);
+
+	property = "ti,dev-index";
+	ret = device_property_count_u32(physdev, property);
+	if (ret <= 0 || ret > ARRAY_SIZE(values)) {
+		ret = -EINVAL;
+		goto err;
+	}
+	nval = ret;
+
+	ret = device_property_read_u32_array(physdev, property, values, nval);
+	if (ret)
+		goto err;
+
+	p->index = U8_MAX;
+	for (i = 0; i < nval; i++) {
+		if (values[i] == id) {
+			p->index = i;
+			break;
+		}
+	}
+	if (p->index == U8_MAX) {
+		dev_dbg(p->dev, "No index found in %s\n", property);
+		ret = -ENODEV;
+		goto err;
+	}
+
+	if (p->index == 0) {
+		/* All of amps share same RESET pin. */
+		p->reset = devm_gpiod_get_index_optional(physdev, "reset",
+			p->index, GPIOD_OUT_LOW);
+		if (IS_ERR(p->reset)) {
+			dev_err_probe(p->dev, ret, "Failed on reset GPIO\n");
+			goto err;
+		}
+	}
+	put_device(physdev);
+
+	return 0;
+err:
+	dev_err(p->dev, "read acpi error, ret: %d\n", ret);
+	put_device(physdev);
+	acpi_dev_put(adev);
+
+	return ret;
+}
+
+static void tas2781_hda_playback_hook(struct device *dev, int action)
+{
+	struct tas2781_hda *tas_hda = dev_get_drvdata(dev);
+
+	if (action == HDA_GEN_PCM_ACT_OPEN) {
+		pm_runtime_get_sync(dev);
+		guard(mutex)(&tas_hda->priv->codec_lock);
+		tasdevice_spi_tuning_switch(tas_hda->priv, 0);
+	} else if (action == HDA_GEN_PCM_ACT_CLOSE) {
+		guard(mutex)(&tas_hda->priv->codec_lock);
+		tasdevice_spi_tuning_switch(tas_hda->priv, 1);
+		pm_runtime_mark_last_busy(dev);
+		pm_runtime_put_autosuspend(dev);
+	}
+}
+
+static int tasdevice_info_profile(struct snd_kcontrol *kcontrol,
+				  struct snd_ctl_elem_info *uinfo)
+{
+	struct tasdevice_priv *tas_priv = snd_kcontrol_chip(kcontrol);
+
+	uinfo->type = SNDRV_CTL_ELEM_TYPE_INTEGER;
+	uinfo->count = 1;
+	uinfo->value.integer.min = 0;
+	uinfo->value.integer.max = tas_priv->rcabin.ncfgs - 1;
+
+	return 0;
+}
+
+static int tasdevice_get_profile_id(struct snd_kcontrol *kcontrol,
+	struct snd_ctl_elem_value *ucontrol)
+{
+	struct tasdevice_priv *tas_priv = snd_kcontrol_chip(kcontrol);
+
+	ucontrol->value.integer.value[0] = tas_priv->rcabin.profile_cfg_id;
+
+	return 0;
+}
+
+static int tasdevice_set_profile_id(struct snd_kcontrol *kcontrol,
+				    struct snd_ctl_elem_value *ucontrol)
+{
+	struct tasdevice_priv *tas_priv = snd_kcontrol_chip(kcontrol);
+	int max = tas_priv->rcabin.ncfgs - 1;
+	int val;
+
+	val = clamp(ucontrol->value.integer.value[0], 0, max);
+	if (tas_priv->rcabin.profile_cfg_id != val) {
+		tas_priv->rcabin.profile_cfg_id = val;
+		return 1;
+	}
+
+	return 0;
+}
+
+static int tasdevice_info_programs(struct snd_kcontrol *kcontrol,
+				   struct snd_ctl_elem_info *uinfo)
+{
+	struct tasdevice_priv *tas_priv = snd_kcontrol_chip(kcontrol);
+
+	uinfo->type = SNDRV_CTL_ELEM_TYPE_INTEGER;
+	uinfo->count = 1;
+	uinfo->value.integer.min = 0;
+	uinfo->value.integer.max = tas_priv->fmw->nr_programs - 1;
+
+	return 0;
+}
+
+static int tasdevice_info_config(struct snd_kcontrol *kcontrol,
+				 struct snd_ctl_elem_info *uinfo)
+{
+	struct tasdevice_priv *tas_priv = snd_kcontrol_chip(kcontrol);
+
+	uinfo->type = SNDRV_CTL_ELEM_TYPE_INTEGER;
+	uinfo->count = 1;
+	uinfo->value.integer.min = 0;
+	uinfo->value.integer.max = tas_priv->fmw->nr_configurations - 1;
+
+	return 0;
+}
+
+static int tasdevice_program_get(struct snd_kcontrol *kcontrol,
+				 struct snd_ctl_elem_value *ucontrol)
+{
+	struct tasdevice_priv *tas_priv = snd_kcontrol_chip(kcontrol);
+
+	ucontrol->value.integer.value[0] = tas_priv->cur_prog;
+
+	return 0;
+}
+
+static int tasdevice_program_put(struct snd_kcontrol *kcontrol,
+				 struct snd_ctl_elem_value *ucontrol)
+{
+	struct tasdevice_priv *tas_priv = snd_kcontrol_chip(kcontrol);
+	int nr_program = ucontrol->value.integer.value[0];
+	int max = tas_priv->fmw->nr_programs - 1;
+	int val;
+
+	val = clamp(nr_program, 0, max);
+
+	if (tas_priv->cur_prog != val) {
+		tas_priv->cur_prog = val;
+		return 1;
+	}
+
+	return 0;
+}
+
+static int tasdevice_config_get(struct snd_kcontrol *kcontrol,
+				struct snd_ctl_elem_value *ucontrol)
+{
+	struct tasdevice_priv *tas_priv = snd_kcontrol_chip(kcontrol);
+
+	ucontrol->value.integer.value[0] = tas_priv->cur_conf;
+
+	return 0;
+}
+
+static int tasdevice_config_put(struct snd_kcontrol *kcontrol,
+				struct snd_ctl_elem_value *ucontrol)
+{
+	struct tasdevice_priv *tas_priv = snd_kcontrol_chip(kcontrol);
+	int max = tas_priv->fmw->nr_configurations - 1;
+	int val;
+
+	val = clamp(ucontrol->value.integer.value[0], 0, max);
+
+	if (tas_priv->cur_conf != val) {
+		tas_priv->cur_conf = val;
+		return 1;
+	}
+
+	return 0;
+}
+
+/*
+ * tas2781_digital_getvol - get the volum control
+ * @kcontrol: control pointer
+ * @ucontrol: User data
+ *
+ * Customer Kcontrol for tas2781 is primarily for regmap booking, paging
+ * depends on internal regmap mechanism.
+ * tas2781 contains book and page two-level register map, especially
+ * book switching will set the register BXXP00R7F, after switching to the
+ * correct book, then leverage the mechanism for paging to access the
+ * register.
+ *
+ * Return 0 if succeeded.
+ */
+static int tas2781_digital_getvol(struct snd_kcontrol *kcontrol,
+				  struct snd_ctl_elem_value *ucontrol)
+{
+	struct tasdevice_priv *tas_priv = snd_kcontrol_chip(kcontrol);
+	struct soc_mixer_control *mc =
+		(struct soc_mixer_control *)kcontrol->private_value;
+
+	return tasdevice_spi_digital_getvol(tas_priv, ucontrol, mc);
+}
+
+static int tas2781_amp_getvol(struct snd_kcontrol *kcontrol,
+			      struct snd_ctl_elem_value *ucontrol)
+{
+	struct tasdevice_priv *tas_priv = snd_kcontrol_chip(kcontrol);
+	struct soc_mixer_control *mc =
+		(struct soc_mixer_control *)kcontrol->private_value;
+
+	return tasdevice_spi_amp_getvol(tas_priv, ucontrol, mc);
+}
+
+static int tas2781_digital_putvol(struct snd_kcontrol *kcontrol,
+				  struct snd_ctl_elem_value *ucontrol)
+{
+	struct tasdevice_priv *tas_priv = snd_kcontrol_chip(kcontrol);
+	struct soc_mixer_control *mc =
+		(struct soc_mixer_control *)kcontrol->private_value;
+
+	/* The check of the given value is in tasdevice_digital_putvol. */
+	return tasdevice_spi_digital_putvol(tas_priv, ucontrol, mc);
+}
+
+static int tas2781_amp_putvol(struct snd_kcontrol *kcontrol,
+			      struct snd_ctl_elem_value *ucontrol)
+{
+	struct tasdevice_priv *tas_priv = snd_kcontrol_chip(kcontrol);
+	struct soc_mixer_control *mc =
+		(struct soc_mixer_control *)kcontrol->private_value;
+
+	/* The check of the given value is in tasdevice_amp_putvol. */
+	return tasdevice_spi_amp_putvol(tas_priv, ucontrol, mc);
+}
+
+static int tas2781_force_fwload_get(struct snd_kcontrol *kcontrol,
+				    struct snd_ctl_elem_value *ucontrol)
+{
+	struct tasdevice_priv *tas_priv = snd_kcontrol_chip(kcontrol);
+
+	ucontrol->value.integer.value[0] = (int)tas_priv->force_fwload_status;
+	dev_dbg(tas_priv->dev, "%s : Force FWload %s\n", __func__,
+		str_on_off(tas_priv->force_fwload_status));
+
+	return 0;
+}
+
+static int tas2781_force_fwload_put(struct snd_kcontrol *kcontrol,
+				    struct snd_ctl_elem_value *ucontrol)
+{
+	struct tasdevice_priv *tas_priv = snd_kcontrol_chip(kcontrol);
+	bool change, val = (bool)ucontrol->value.integer.value[0];
+
+	if (tas_priv->force_fwload_status == val) {
+		change = false;
+	} else {
+		change = true;
+		tas_priv->force_fwload_status = val;
+	}
+	dev_dbg(tas_priv->dev, "%s : Force FWload %s\n", __func__,
+		str_on_off(tas_priv->force_fwload_status));
+
+	return change;
+}
+
+static const struct snd_kcontrol_new tas2781_snd_controls[] = {
+	ACARD_SINGLE_RANGE_EXT_TLV("Speaker Analog Gain 0", TAS2781_AMP_LEVEL,
+		1, 0, 20, 0, tas2781_amp_getvol,
+		tas2781_amp_putvol, amp_vol_tlv),
+	ACARD_SINGLE_RANGE_EXT_TLV("Speaker Digital Gain 0", TAS2781_DVC_LVL,
+		0, 0, 200, 1, tas2781_digital_getvol,
+		tas2781_digital_putvol, dvc_tlv),
+	ACARD_SINGLE_BOOL_EXT("Speaker Force Firmware Load 0", 0,
+		tas2781_force_fwload_get, tas2781_force_fwload_put),
+	ACARD_SINGLE_RANGE_EXT_TLV("Speaker Analog Gain 1", TAS2781_AMP_LEVEL,
+		1, 0, 20, 0, tas2781_amp_getvol,
+		tas2781_amp_putvol, amp_vol_tlv),
+	ACARD_SINGLE_RANGE_EXT_TLV("Speaker Digital Gain 1", TAS2781_DVC_LVL,
+		0, 0, 200, 1, tas2781_digital_getvol,
+		tas2781_digital_putvol, dvc_tlv),
+	ACARD_SINGLE_BOOL_EXT("Speaker Force Firmware Load 1", 0,
+		tas2781_force_fwload_get, tas2781_force_fwload_put),
+};
+
+static const struct snd_kcontrol_new tas2781_prof_ctrl[] = {
+{
+	.name = "Speaker Profile Id - 0",
+	.iface = SNDRV_CTL_ELEM_IFACE_CARD,
+	.info = tasdevice_info_profile,
+	.get = tasdevice_get_profile_id,
+	.put = tasdevice_set_profile_id,
+},
+{
+	.name = "Speaker Profile Id - 1",
+	.iface = SNDRV_CTL_ELEM_IFACE_CARD,
+	.info = tasdevice_info_profile,
+	.get = tasdevice_get_profile_id,
+	.put = tasdevice_set_profile_id,
+},
+};
+static const struct snd_kcontrol_new tas2781_dsp_prog_ctrl[] = {
+{
+	.name = "Speaker Program Id 0",
+	.iface = SNDRV_CTL_ELEM_IFACE_CARD,
+	.info = tasdevice_info_programs,
+	.get = tasdevice_program_get,
+	.put = tasdevice_program_put,
+},
+{
+	.name = "Speaker Program Id 1",
+	.iface = SNDRV_CTL_ELEM_IFACE_CARD,
+	.info = tasdevice_info_programs,
+	.get = tasdevice_program_get,
+	.put = tasdevice_program_put,
+},
+};
+
+static const struct snd_kcontrol_new tas2781_dsp_conf_ctrl[] = {
+{
+	.name = "Speaker Config Id 0",
+	.iface = SNDRV_CTL_ELEM_IFACE_CARD,
+	.info = tasdevice_info_config,
+	.get = tasdevice_config_get,
+	.put = tasdevice_config_put,
+},
+{
+	.name = "Speaker Config Id 1",
+	.iface = SNDRV_CTL_ELEM_IFACE_CARD,
+	.info = tasdevice_info_config,
+	.get = tasdevice_config_get,
+	.put = tasdevice_config_put,
+},
+};
+
+static void tas2781_apply_calib(struct tasdevice_priv *tas_priv)
+{
+	int i, rc;
+
+	/*
+	 * If no calibration data exist in tasdevice_priv *tas_priv,
+	 * calibration apply will be ignored, and use default values
+	 * in firmware binary, which was loaded during firmware download.
+	 */
+	if (tas_priv->cali_data[0] == 0)
+		return;
+	/*
+	 * Calibration data was saved in tasdevice_priv *tas_priv as:
+	 * unsigned int cali_data[CALIB_MAX];
+	 * and every data (in 4 bytes) will be saved in register which in
+	 * book 0, and page number in page_array[], offset was saved in
+	 * rgno_array[].
+	 */
+	for (i = 0; i < CALIB_MAX; i++) {
+		rc = tasdevice_spi_dev_bulk_write(tas_priv,
+			tas_priv->cali_reg_array[i],
+			(unsigned char *)&tas_priv->cali_data[i], 4);
+		if (rc < 0)
+			dev_err(tas_priv->dev,
+				"chn %d calib %d bulk_wr err = %d\n",
+				tas_priv->index, i, rc);
+	}
+}
+
+/*
+ * Update the calibration data, including speaker impedance, f0, etc,
+ * into algo. Calibrate data is done by manufacturer in the factory.
+ * These data are used by Algo for calculating the speaker temperature,
+ * speaker membrane excursion and f0 in real time during playback.
+ * Calibration data format in EFI is V2, since 2024.
+ */
+static int tas2781_save_calibration(struct tasdevice_priv *tas_priv)
+{
+	/*
+	 * GUID was used for data access in BIOS, it was provided by board
+	 * manufactory, like HP: "{02f9af02-7734-4233-b43d-93fe5aa35db3}"
+	 */
+	efi_guid_t efi_guid =
+		EFI_GUID(0x02f9af02, 0x7734, 0x4233,
+			 0xb4, 0x3d, 0x93, 0xfe, 0x5a, 0xa3, 0x5d, 0xb3);
+	static efi_char16_t efi_name[] = TASDEVICE_CALIBRATION_DATA_NAME;
+	unsigned char data[TASDEVICE_CALIBRATION_DATA_SIZE], *buf;
+	unsigned int attr, crc, offset, *tmp_val;
+	struct tm *tm = &tas_priv->tm;
+	unsigned long total_sz = 0;
+	efi_status_t status;
+
+	tas_priv->cali_data[0] = 0;
+	status = efi.get_variable(efi_name, &efi_guid, &attr, &total_sz, data);
+	if (status == EFI_BUFFER_TOO_SMALL) {
+		if (total_sz > TASDEVICE_CALIBRATION_DATA_SIZE)
+			return -ENOMEM;
+		/* Get variable contents into buffer */
+		status = efi.get_variable(efi_name, &efi_guid, &attr,
+			&total_sz, data);
+	}
+	if (status != EFI_SUCCESS)
+		return status;
+
+	tmp_val = (unsigned int *)data;
+	if (tmp_val[0] == 2781) {
+		/*
+		 * New features were added in calibrated Data V3:
+		 *     1. Added calibration registers address define in
+		 *     a node, marked as Device id == 0x80.
+		 * New features were added in calibrated Data V2:
+		 *     1. Added some the fields to store the link_id and
+		 *     uniqie_id for multi-link solutions
+		 *     2. Support flexible number of devices instead of
+		 *     fixed one in V1.
+		 * Layout of calibrated data V2 in UEFI(total 256 bytes):
+		 *     ChipID (2781, 4 bytes)
+		 *     Device-Sum (4 bytes)
+		 *     TimeStamp of Calibration (4 bytes)
+		 *     for (i = 0; i < Device-Sum; i++) {
+		 *             Device #i index_info () {
+		 *                     SDW link id (2bytes)
+		 *                     SDW unique_id (2bytes)
+		 *             } // if Device number is 0x80, mean it's
+		 *                  calibration registers address.
+		 *             Calibrated Data of Device #i (20 bytes)
+		 *     }
+		 *     CRC (4 bytes)
+		 *     Reserved (the rest)
+		 */
+		crc = crc32(~0, data, (3 + tmp_val[1] * 6) * 4) ^ ~0;
+
+		if (crc != tmp_val[3 + tmp_val[1] * 6])
+			return 0;
+
+		time64_to_tm(tmp_val[2], 0, tm);
+		for (int j = 0; j < tmp_val[1]; j++) {
+			offset = j * 6 + 3;
+			if (tmp_val[offset] == tas_priv->index) {
+				for (int i = 0; i < CALIB_MAX; i++)
+					tas_priv->cali_data[i] =
+					tmp_val[offset + i + 1];
+			} else if (tmp_val[offset] ==
+				   TASDEVICE_CALIBRATION_REG_ADDRESS) {
+				for (int i = 0; i < CALIB_MAX; i++) {
+					buf = &data[(offset + i + 1) * 4];
+					tas_priv->cali_reg_array[i] =
+						TASDEVICE_REG(buf[1], buf[2],
+						      buf[3]);
+				}
+			}
+			tas_priv->apply_calibration(tas_priv);
+		}
+	} else {
+		/*
+		 * Calibration data is in V1 format.
+		 * struct cali_data {
+		 *      char cali_data[20];
+		 * }
+		 *
+		 * struct {
+		 *      struct cali_data cali_data[4];
+		 *      int  TimeStamp of Calibration (4 bytes)
+		 *      int CRC (4 bytes)
+		 * } ueft;
+		 */
+		crc = crc32(~0, data, 84) ^ ~0;
+		if (crc == tmp_val[21]) {
+			time64_to_tm(tmp_val[20], 0, tm);
+			for (int i = 0; i < CALIB_MAX; i++)
+				tas_priv->cali_data[i] =
+					tmp_val[tas_priv->index * 5 + i];
+			tas_priv->apply_calibration(tas_priv);
+		}
+	}
+
+	return 0;
+}
+
+static void tas2781_hda_remove_controls(struct tas2781_hda *tas_hda)
+{
+	struct hda_codec *codec = tas_hda->priv->codec;
+
+	snd_ctl_remove(codec->card, tas_hda->dsp_prog_ctl);
+
+	snd_ctl_remove(codec->card, tas_hda->dsp_conf_ctl);
+
+	for (int i = ARRAY_SIZE(tas_hda->snd_ctls) - 1; i >= 0; i--)
+		snd_ctl_remove(codec->card, tas_hda->snd_ctls[i]);
+
+	snd_ctl_remove(codec->card, tas_hda->prof_ctl);
+}
+
+static void tasdev_fw_ready(const struct firmware *fmw, void *context)
+{
+	struct tasdevice_priv *tas_priv = context;
+	struct tas2781_hda *tas_hda = dev_get_drvdata(tas_priv->dev);
+	struct hda_codec *codec = tas_priv->codec;
+	int i, j, ret;
+
+	pm_runtime_get_sync(tas_priv->dev);
+	guard(mutex)(&tas_priv->codec_lock);
+
+	ret = tasdevice_spi_rca_parser(tas_priv, fmw);
+	if (ret)
+		goto out;
+
+	/* Add control one time only. */
+	tas_hda->prof_ctl = snd_ctl_new1(&tas2781_prof_ctrl[tas_priv->index],
+		tas_priv);
+	ret = snd_ctl_add(codec->card, tas_hda->prof_ctl);
+	if (ret) {
+		dev_err(tas_priv->dev, "Failed to add KControl %s = %d\n",
+			tas2781_prof_ctrl[tas_priv->index].name, ret);
+		goto out;
+	}
+	j = tas_priv->index * ARRAY_SIZE(tas2781_snd_controls) / 2;
+	for (i = 0; i < 3; i++) {
+		tas_hda->snd_ctls[i] = snd_ctl_new1(&tas2781_snd_controls[i+j],
+			tas_priv);
+		ret = snd_ctl_add(codec->card, tas_hda->snd_ctls[i]);
+		if (ret) {
+			dev_err(tas_priv->dev,
+				"Failed to add KControl %s = %d\n",
+				tas2781_snd_controls[i+tas_priv->index*3].name,
+				ret);
+			goto out;
+		}
+	}
+
+	tasdevice_spi_dsp_remove(tas_priv);
+
+	tas_priv->fw_state = TASDEVICE_DSP_FW_PENDING;
+	scnprintf(tas_priv->coef_binaryname, 64, "TAS2XXX%08X-%01d.bin",
+		codec->core.subsystem_id, tas_priv->index);
+	ret = tasdevice_spi_dsp_parser(tas_priv);
+	if (ret) {
+		dev_err(tas_priv->dev, "dspfw load %s error\n",
+			tas_priv->coef_binaryname);
+		tas_priv->fw_state = TASDEVICE_DSP_FW_FAIL;
+		goto out;
+	}
+
+	/* Add control one time only. */
+	tas_hda->dsp_prog_ctl =
+		snd_ctl_new1(&tas2781_dsp_prog_ctrl[tas_priv->index],
+			     tas_priv);
+	ret = snd_ctl_add(codec->card, tas_hda->dsp_prog_ctl);
+	if (ret) {
+		dev_err(tas_priv->dev,
+			"Failed to add KControl %s = %d\n",
+			tas2781_dsp_prog_ctrl[tas_priv->index].name, ret);
+		goto out;
+	}
+
+	tas_hda->dsp_conf_ctl =
+		snd_ctl_new1(&tas2781_dsp_conf_ctrl[tas_priv->index],
+			     tas_priv);
+	ret = snd_ctl_add(codec->card, tas_hda->dsp_conf_ctl);
+	if (ret) {
+		dev_err(tas_priv->dev, "Failed to add KControl %s = %d\n",
+			tas2781_dsp_conf_ctrl[tas_priv->index].name, ret);
+		goto out;
+	}
+
+	/* Perform AMP reset before firmware download. */
+	tas_priv->rcabin.profile_cfg_id = TAS2781_PRE_POST_RESET_CFG;
+	tasdevice_spi_tuning_switch(tas_priv, 0);
+	tas2781_spi_reset(tas_priv);
+	tas_priv->rcabin.profile_cfg_id = 0;
+	tasdevice_spi_tuning_switch(tas_priv, 1);
+
+	tas_priv->fw_state = TASDEVICE_DSP_FW_ALL_OK;
+	ret = tasdevice_spi_prmg_load(tas_priv, 0);
+	if (ret < 0) {
+		dev_err(tas_priv->dev, "FW download failed = %d\n", ret);
+		goto out;
+	}
+	if (tas_priv->fmw->nr_programs > 0)
+		tas_priv->cur_prog = 0;
+	if (tas_priv->fmw->nr_configurations > 0)
+		tas_priv->cur_conf = 0;
+
+	/*
+	 * If calibrated data occurs error, dsp will still works with default
+	 * calibrated data inside algo.
+	 */
+	tas_priv->save_calibration(tas_priv);
+
+out:
+	if (fmw)
+		release_firmware(fmw);
+	pm_runtime_mark_last_busy(tas_hda->priv->dev);
+	pm_runtime_put_autosuspend(tas_hda->priv->dev);
+}
+
+static int tas2781_hda_bind(struct device *dev, struct device *master,
+	void *master_data)
+{
+	struct tas2781_hda *tas_hda = dev_get_drvdata(dev);
+	struct hda_component_parent *parent = master_data;
+	struct hda_component *comp;
+	struct hda_codec *codec;
+	int ret;
+
+	comp = hda_component_from_index(parent, tas_hda->priv->index);
+	if (!comp)
+		return -EINVAL;
+
+	if (comp->dev)
+		return -EBUSY;
+
+	codec = parent->codec;
+
+	pm_runtime_get_sync(dev);
+
+	comp->dev = dev;
+
+	strscpy(comp->name, dev_name(dev), sizeof(comp->name));
+
+	ret = tascodec_spi_init(tas_hda->priv, codec, THIS_MODULE,
+		tasdev_fw_ready);
+	if (!ret)
+		comp->playback_hook = tas2781_hda_playback_hook;
+
+	pm_runtime_mark_last_busy(dev);
+	pm_runtime_put_autosuspend(dev);
+
+	return ret;
+}
+
+static void tas2781_hda_unbind(struct device *dev, struct device *master,
+			       void *master_data)
+{
+	struct tas2781_hda *tas_hda = dev_get_drvdata(dev);
+	struct hda_component_parent *parent = master_data;
+	struct hda_component *comp;
+
+	comp = hda_component_from_index(parent, tas_hda->priv->index);
+	if (comp && (comp->dev == dev)) {
+		comp->dev = NULL;
+		memset(comp->name, 0, sizeof(comp->name));
+		comp->playback_hook = NULL;
+	}
+
+	tas2781_hda_remove_controls(tas_hda);
+
+	tasdevice_spi_config_info_remove(tas_hda->priv);
+	tasdevice_spi_dsp_remove(tas_hda->priv);
+
+	tas_hda->priv->fw_state = TASDEVICE_DSP_FW_PENDING;
+}
+
+static const struct component_ops tas2781_hda_comp_ops = {
+	.bind = tas2781_hda_bind,
+	.unbind = tas2781_hda_unbind,
+};
+
+static void tas2781_hda_remove(struct device *dev)
+{
+	struct tas2781_hda *tas_hda = dev_get_drvdata(dev);
+
+	component_del(tas_hda->priv->dev, &tas2781_hda_comp_ops);
+
+	pm_runtime_get_sync(tas_hda->priv->dev);
+	pm_runtime_disable(tas_hda->priv->dev);
+
+	pm_runtime_put_noidle(tas_hda->priv->dev);
+
+	mutex_destroy(&tas_hda->priv->codec_lock);
+}
+
+static int tas2781_hda_spi_probe(struct spi_device *spi)
+{
+	struct tasdevice_priv *tas_priv;
+	struct tas2781_hda *tas_hda;
+	const char *device_name;
+	int ret = 0;
+
+	tas_hda = devm_kzalloc(&spi->dev, sizeof(*tas_hda), GFP_KERNEL);
+	if (!tas_hda)
+		return -ENOMEM;
+
+	spi->max_speed_hz = TAS2781_SPI_MAX_FREQ;
+
+	tas_priv = devm_kzalloc(&spi->dev, sizeof(*tas_priv), GFP_KERNEL);
+	if (!tas_priv)
+		goto err;
+	tas_priv->dev = &spi->dev;
+	tas_hda->priv = tas_priv;
+	tas_priv->regmap = devm_regmap_init_spi(spi, &tasdevice_regmap);
+	if (IS_ERR(tas_priv->regmap)) {
+		ret = PTR_ERR(tas_priv->regmap);
+		dev_err(tas_priv->dev, "Failed to allocate regmap: %d\n",
+			ret);
+		goto err;
+	}
+	if (strstr(dev_name(&spi->dev), "TXNW2781")) {
+		device_name = "TXNW2781";
+		tas_priv->save_calibration = tas2781_save_calibration;
+		tas_priv->apply_calibration = tas2781_apply_calib;
+	} else {
+		goto err;
+	}
+
+	tas_priv->irq = spi->irq;
+	dev_set_drvdata(&spi->dev, tas_hda);
+	ret = tas2781_read_acpi(tas_hda, device_name,
+				spi_get_chipselect(spi, 0));
+	if (ret)
+		return dev_err_probe(tas_priv->dev, ret,
+				     "Platform not supported\n");
+
+	tasdevice_spi_init(tas_priv);
+
+	pm_runtime_set_autosuspend_delay(tas_priv->dev, 3000);
+	pm_runtime_use_autosuspend(tas_priv->dev);
+	pm_runtime_mark_last_busy(tas_priv->dev);
+	pm_runtime_set_active(tas_priv->dev);
+	pm_runtime_get_noresume(tas_priv->dev);
+	pm_runtime_enable(tas_priv->dev);
+
+	pm_runtime_put_autosuspend(tas_priv->dev);
+
+	ret = component_add(tas_priv->dev, &tas2781_hda_comp_ops);
+	if (ret) {
+		dev_err(tas_priv->dev, "Register component fail: %d\n", ret);
+		pm_runtime_disable(tas_priv->dev);
+	}
+
+err:
+	if (ret)
+		tas2781_hda_remove(&spi->dev);
+
+	return ret;
+}
+
+static void tas2781_hda_spi_remove(struct spi_device *spi)
+{
+	tas2781_hda_remove(&spi->dev);
+}
+
+static int tas2781_runtime_suspend(struct device *dev)
+{
+	struct tas2781_hda *tas_hda = dev_get_drvdata(dev);
+
+	guard(mutex)(&tas_hda->priv->codec_lock);
+
+	tasdevice_spi_tuning_switch(tas_hda->priv, 1);
+
+	tas_hda->priv->cur_book = -1;
+	tas_hda->priv->cur_conf = -1;
+
+	return 0;
+}
+
+static int tas2781_runtime_resume(struct device *dev)
+{
+	struct tas2781_hda *tas_hda = dev_get_drvdata(dev);
+
+	guard(mutex)(&tas_hda->priv->codec_lock);
+
+	tasdevice_spi_tuning_switch(tas_hda->priv, 0);
+
+	return 0;
+}
+
+static int tas2781_system_suspend(struct device *dev)
+{
+	struct tas2781_hda *tas_hda = dev_get_drvdata(dev);
+	int ret;
+
+	ret = pm_runtime_force_suspend(dev);
+	if (ret)
+		return ret;
+
+	/* Shutdown chip before system suspend */
+	tasdevice_spi_tuning_switch(tas_hda->priv, 1);
+	tas2781_spi_reset(tas_hda->priv);
+	/*
+	 * Reset GPIO may be shared, so cannot reset here.
+	 * However beyond this point, amps may be powered down.
+	 */
+	return 0;
+}
+
+static int tas2781_system_resume(struct device *dev)
+{
+	struct tas2781_hda *tas_hda = dev_get_drvdata(dev);
+	int ret, val;
+
+	ret = pm_runtime_force_resume(dev);
+	if (ret)
+		return ret;
+
+	guard(mutex)(&tas_hda->priv->codec_lock);
+	ret = tasdevice_spi_dev_read(tas_hda->priv, TAS2781_REG_CLK_CONFIG,
+				     &val);
+	if (ret < 0)
+		return ret;
+
+	if (val == TAS2781_REG_CLK_CONFIG_RESET) {
+		tas_hda->priv->cur_book = -1;
+		tas_hda->priv->cur_conf = -1;
+		tas_hda->priv->cur_prog = -1;
+
+		ret = tasdevice_spi_prmg_load(tas_hda->priv, 0);
+		if (ret < 0) {
+			dev_err(tas_hda->priv->dev,
+				"FW download failed = %d\n", ret);
+			return ret;
+		}
+
+		if (tas_hda->priv->playback_started)
+			tasdevice_spi_tuning_switch(tas_hda->priv, 0);
+	}
+
+	return ret;
+}
+
+static const struct dev_pm_ops tas2781_hda_pm_ops = {
+	RUNTIME_PM_OPS(tas2781_runtime_suspend, tas2781_runtime_resume, NULL)
+	SYSTEM_SLEEP_PM_OPS(tas2781_system_suspend, tas2781_system_resume)
+};
+
+static const struct spi_device_id tas2781_hda_spi_id[] = {
+	{ "tas2781-hda", },
+	{}
+};
+
+static const struct acpi_device_id tas2781_acpi_hda_match[] = {
+	{"TXNW2781", },
+	{}
+};
+MODULE_DEVICE_TABLE(acpi, tas2781_acpi_hda_match);
+
+static struct spi_driver tas2781_hda_spi_driver = {
+	.driver = {
+		.name		= "tas2781-hda",
+		.acpi_match_table = tas2781_acpi_hda_match,
+		.pm		= &tas2781_hda_pm_ops,
+	},
+	.id_table	= tas2781_hda_spi_id,
+	.probe		= tas2781_hda_spi_probe,
+	.remove		= tas2781_hda_spi_remove,
+};
+module_spi_driver(tas2781_hda_spi_driver);
+
+MODULE_DESCRIPTION("TAS2781 HDA SPI Driver");
+MODULE_AUTHOR("Baojun, Xu, <baojun.xug@ti.com>");
+MODULE_LICENSE("GPL");
diff --git a/sound/pci/hda/tas2781_spi_fwlib.c b/sound/pci/hda/tas2781_spi_fwlib.c
new file mode 100644
index 000000000000..a9673a75ab5e
--- /dev/null
+++ b/sound/pci/hda/tas2781_spi_fwlib.c
@@ -0,0 +1,2006 @@
+// SPDX-License-Identifier: GPL-2.0
+//
+// TAS2781 HDA SPI driver
+//
+// Copyright 2024 Texas Instruments, Inc.
+//
+// Author: Baojun Xu <baojun.xu@ti.com>
+
+#include <linux/crc8.h>
+#include <linux/firmware.h>
+#include <linux/init.h>
+#include <linux/interrupt.h>
+#include <linux/module.h>
+#include <linux/slab.h>
+#include <linux/types.h>
+#include <linux/unaligned.h>
+#include <sound/pcm_params.h>
+#include <sound/soc.h>
+#include <sound/tas2781-dsp.h>
+#include <sound/tlv.h>
+
+#include "tas2781-spi.h"
+
+#define OFFSET_ERROR_BIT			BIT(31)
+
+#define ERROR_PRAM_CRCCHK			0x0000000
+#define ERROR_YRAM_CRCCHK			0x0000001
+#define PPC_DRIVER_CRCCHK			0x00000200
+
+#define TAS2781_SA_COEFF_SWAP_REG		TASDEVICE_REG(0, 0x35, 0x2c)
+#define TAS2781_YRAM_BOOK1			140
+#define TAS2781_YRAM1_PAGE			42
+#define TAS2781_YRAM1_START_REG			88
+
+#define TAS2781_YRAM2_START_PAGE		43
+#define TAS2781_YRAM2_END_PAGE			49
+#define TAS2781_YRAM2_START_REG			8
+#define TAS2781_YRAM2_END_REG			127
+
+#define TAS2781_YRAM3_PAGE			50
+#define TAS2781_YRAM3_START_REG			8
+#define TAS2781_YRAM3_END_REG			27
+
+/* should not include B0_P53_R44-R47 */
+#define TAS2781_YRAM_BOOK2			0
+#define TAS2781_YRAM4_START_PAGE		50
+#define TAS2781_YRAM4_END_PAGE			60
+
+#define TAS2781_YRAM5_PAGE			61
+#define TAS2781_YRAM5_START_REG			TAS2781_YRAM3_START_REG
+#define TAS2781_YRAM5_END_REG			TAS2781_YRAM3_END_REG
+
+#define TASDEVICE_MAXPROGRAM_NUM_KERNEL			5
+#define TASDEVICE_MAXCONFIG_NUM_KERNEL_MULTIPLE_AMPS	64
+#define TASDEVICE_MAXCONFIG_NUM_KERNEL			10
+#define MAIN_ALL_DEVICES_1X				0x01
+#define MAIN_DEVICE_A_1X				0x02
+#define MAIN_DEVICE_B_1X				0x03
+#define MAIN_DEVICE_C_1X				0x04
+#define MAIN_DEVICE_D_1X				0x05
+#define COEFF_DEVICE_A_1X				0x12
+#define COEFF_DEVICE_B_1X				0x13
+#define COEFF_DEVICE_C_1X				0x14
+#define COEFF_DEVICE_D_1X				0x15
+#define PRE_DEVICE_A_1X					0x22
+#define PRE_DEVICE_B_1X					0x23
+#define PRE_DEVICE_C_1X					0x24
+#define PRE_DEVICE_D_1X					0x25
+#define PRE_SOFTWARE_RESET_DEVICE_A			0x41
+#define PRE_SOFTWARE_RESET_DEVICE_B			0x42
+#define PRE_SOFTWARE_RESET_DEVICE_C			0x43
+#define PRE_SOFTWARE_RESET_DEVICE_D			0x44
+#define POST_SOFTWARE_RESET_DEVICE_A			0x45
+#define POST_SOFTWARE_RESET_DEVICE_B			0x46
+#define POST_SOFTWARE_RESET_DEVICE_C			0x47
+#define POST_SOFTWARE_RESET_DEVICE_D			0x48
+
+struct tas_crc {
+	unsigned char offset;
+	unsigned char len;
+};
+
+struct blktyp_devidx_map {
+	unsigned char blktyp;
+	unsigned char dev_idx;
+};
+
+/* fixed m68k compiling issue: mapping table can save code field */
+static const struct blktyp_devidx_map ppc3_tas2781_mapping_table[] = {
+	{ MAIN_ALL_DEVICES_1X, 0x80 },
+	{ MAIN_DEVICE_A_1X, 0x81 },
+	{ COEFF_DEVICE_A_1X, 0x81 },
+	{ PRE_DEVICE_A_1X, 0x81 },
+	{ PRE_SOFTWARE_RESET_DEVICE_A, 0xC1 },
+	{ POST_SOFTWARE_RESET_DEVICE_A, 0xC1 },
+	{ MAIN_DEVICE_B_1X, 0x82 },
+	{ COEFF_DEVICE_B_1X, 0x82 },
+	{ PRE_DEVICE_B_1X, 0x82 },
+	{ PRE_SOFTWARE_RESET_DEVICE_B, 0xC2 },
+	{ POST_SOFTWARE_RESET_DEVICE_B, 0xC2 },
+	{ MAIN_DEVICE_C_1X, 0x83 },
+	{ COEFF_DEVICE_C_1X, 0x83 },
+	{ PRE_DEVICE_C_1X, 0x83 },
+	{ PRE_SOFTWARE_RESET_DEVICE_C, 0xC3 },
+	{ POST_SOFTWARE_RESET_DEVICE_C, 0xC3 },
+	{ MAIN_DEVICE_D_1X, 0x84 },
+	{ COEFF_DEVICE_D_1X, 0x84 },
+	{ PRE_DEVICE_D_1X, 0x84 },
+	{ PRE_SOFTWARE_RESET_DEVICE_D, 0xC4 },
+	{ POST_SOFTWARE_RESET_DEVICE_D, 0xC4 },
+};
+
+static const struct blktyp_devidx_map ppc3_mapping_table[] = {
+	{ MAIN_ALL_DEVICES_1X, 0x80 },
+	{ MAIN_DEVICE_A_1X, 0x81 },
+	{ COEFF_DEVICE_A_1X, 0xC1 },
+	{ PRE_DEVICE_A_1X, 0xC1 },
+	{ MAIN_DEVICE_B_1X, 0x82 },
+	{ COEFF_DEVICE_B_1X, 0xC2 },
+	{ PRE_DEVICE_B_1X, 0xC2 },
+	{ MAIN_DEVICE_C_1X, 0x83 },
+	{ COEFF_DEVICE_C_1X, 0xC3 },
+	{ PRE_DEVICE_C_1X, 0xC3 },
+	{ MAIN_DEVICE_D_1X, 0x84 },
+	{ COEFF_DEVICE_D_1X, 0xC4 },
+	{ PRE_DEVICE_D_1X, 0xC4 },
+};
+
+static const struct blktyp_devidx_map non_ppc3_mapping_table[] = {
+	{ MAIN_ALL_DEVICES, 0x80 },
+	{ MAIN_DEVICE_A, 0x81 },
+	{ COEFF_DEVICE_A, 0xC1 },
+	{ PRE_DEVICE_A, 0xC1 },
+	{ MAIN_DEVICE_B, 0x82 },
+	{ COEFF_DEVICE_B, 0xC2 },
+	{ PRE_DEVICE_B, 0xC2 },
+	{ MAIN_DEVICE_C, 0x83 },
+	{ COEFF_DEVICE_C, 0xC3 },
+	{ PRE_DEVICE_C, 0xC3 },
+	{ MAIN_DEVICE_D, 0x84 },
+	{ COEFF_DEVICE_D, 0xC4 },
+	{ PRE_DEVICE_D, 0xC4 },
+};
+
+/*
+ * Device support different configurations for different scene,
+ * like voice, music, calibration, was write in regbin file.
+ * Will be stored into tas_priv after regbin was loaded.
+ */
+static struct tasdevice_config_info *tasdevice_add_config(
+	struct tasdevice_priv *tas_priv, unsigned char *config_data,
+	unsigned int config_size, int *status)
+{
+	struct tasdevice_config_info *cfg_info;
+	struct tasdev_blk_data **bk_da;
+	unsigned int config_offset = 0;
+	unsigned int i;
+
+	/*
+	 * In most projects are many audio cases, such as music, handfree,
+	 * receiver, games, audio-to-haptics, PMIC record, bypass mode,
+	 * portrait, landscape, etc. Even in multiple audios, one or
+	 * two of the chips will work for the special case, such as
+	 * ultrasonic application. In order to support these variable-numbers
+	 * of audio cases, flexible configs have been introduced in the
+	 * DSP firmware.
+	 */
+	cfg_info = kzalloc(sizeof(*cfg_info), GFP_KERNEL);
+	if (!cfg_info) {
+		*status = -ENOMEM;
+		return NULL;
+	}
+
+	if (tas_priv->rcabin.fw_hdr.binary_version_num >= 0x105) {
+		if ((config_offset + 64) > config_size) {
+			*status = -EINVAL;
+			dev_err(tas_priv->dev, "add conf: Out of boundary\n");
+			goto config_err;
+		}
+		config_offset += 64;
+	}
+
+	if ((config_offset + 4) > config_size) {
+		*status = -EINVAL;
+		dev_err(tas_priv->dev, "add config: Out of boundary\n");
+		goto config_err;
+	}
+
+	/*
+	 * convert data[offset], data[offset + 1], data[offset + 2] and
+	 * data[offset + 3] into host
+	 */
+	cfg_info->nblocks = get_unaligned_be32(&config_data[config_offset]);
+	config_offset += 4;
+
+	/*
+	 * Several kinds of dsp/algorithm firmwares can run on tas2781,
+	 * the number and size of blk are not fixed and different among
+	 * these firmwares.
+	 */
+	bk_da = cfg_info->blk_data = kcalloc(cfg_info->nblocks,
+		sizeof(*bk_da), GFP_KERNEL);
+	if (!bk_da) {
+		*status = -ENOMEM;
+		goto config_err;
+	}
+	cfg_info->real_nblocks = 0;
+	for (i = 0; i < cfg_info->nblocks; i++) {
+		if (config_offset + 12 > config_size) {
+			*status = -EINVAL;
+			dev_err(tas_priv->dev,
+				"%s: Out of boundary: i = %d nblocks = %u!\n",
+				__func__, i, cfg_info->nblocks);
+			goto block_err;
+		}
+		bk_da[i] = kzalloc(sizeof(*bk_da[i]), GFP_KERNEL);
+		if (!bk_da[i]) {
+			*status = -ENOMEM;
+			goto block_err;
+		}
+
+		bk_da[i]->dev_idx = config_data[config_offset];
+		config_offset++;
+
+		bk_da[i]->block_type = config_data[config_offset];
+		config_offset++;
+
+		bk_da[i]->yram_checksum =
+			get_unaligned_be16(&config_data[config_offset]);
+		config_offset += 2;
+		bk_da[i]->block_size =
+			get_unaligned_be32(&config_data[config_offset]);
+		config_offset += 4;
+
+		bk_da[i]->n_subblks =
+			get_unaligned_be32(&config_data[config_offset]);
+
+		config_offset += 4;
+
+		if (config_offset + bk_da[i]->block_size > config_size) {
+			*status = -EINVAL;
+			dev_err(tas_priv->dev,
+				"%s: Out of boundary: i = %d blks = %u!\n",
+				__func__, i, cfg_info->nblocks);
+			goto block_err;
+		}
+		/* instead of kzalloc+memcpy */
+		bk_da[i]->regdata = kmemdup(&config_data[config_offset],
+			bk_da[i]->block_size, GFP_KERNEL);
+		if (!bk_da[i]->regdata) {
+			*status = -ENOMEM;
+			i++;
+			goto block_err;
+		}
+
+		config_offset += bk_da[i]->block_size;
+		cfg_info->real_nblocks += 1;
+	}
+
+	return cfg_info;
+block_err:
+	for (int j = 0; j < i; j++)
+		kfree(bk_da[j]);
+	kfree(bk_da);
+config_err:
+	kfree(cfg_info);
+	return NULL;
+}
+
+/* Regbin file parser function. */
+int tasdevice_spi_rca_parser(void *context, const struct firmware *fmw)
+{
+	struct tasdevice_priv *tas_priv = context;
+	struct tasdevice_config_info **cfg_info;
+	struct tasdevice_rca_hdr *fw_hdr;
+	struct tasdevice_rca *rca;
+	unsigned int total_config_sz = 0;
+	int offset = 0, ret = 0, i;
+	unsigned char *buf;
+
+	rca = &tas_priv->rcabin;
+	fw_hdr = &rca->fw_hdr;
+	if (!fmw || !fmw->data) {
+		dev_err(tas_priv->dev, "Failed to read %s\n",
+			tas_priv->rca_binaryname);
+		tas_priv->fw_state = TASDEVICE_DSP_FW_FAIL;
+		return -EINVAL;
+	}
+	buf = (unsigned char *)fmw->data;
+	fw_hdr->img_sz = get_unaligned_be32(&buf[offset]);
+	offset += 4;
+	if (fw_hdr->img_sz != fmw->size) {
+		dev_err(tas_priv->dev,
+			"File size not match, %d %u", (int)fmw->size,
+			fw_hdr->img_sz);
+		tas_priv->fw_state = TASDEVICE_DSP_FW_FAIL;
+		return -EINVAL;
+	}
+
+	fw_hdr->checksum = get_unaligned_be32(&buf[offset]);
+	offset += 4;
+	fw_hdr->binary_version_num = get_unaligned_be32(&buf[offset]);
+	if (fw_hdr->binary_version_num < 0x103) {
+		dev_err(tas_priv->dev, "File version 0x%04x is too low",
+			fw_hdr->binary_version_num);
+		tas_priv->fw_state = TASDEVICE_DSP_FW_FAIL;
+		return -EINVAL;
+	}
+	offset += 4;
+	fw_hdr->drv_fw_version = get_unaligned_be32(&buf[offset]);
+	offset += 8;
+	fw_hdr->plat_type = buf[offset++];
+	fw_hdr->dev_family = buf[offset++];
+	fw_hdr->reserve = buf[offset++];
+	fw_hdr->ndev = buf[offset++];
+	if (offset + TASDEVICE_DEVICE_SUM > fw_hdr->img_sz) {
+		dev_err(tas_priv->dev, "rca_ready: Out of boundary!\n");
+		tas_priv->fw_state = TASDEVICE_DSP_FW_FAIL;
+		return -EINVAL;
+	}
+
+	for (i = 0; i < TASDEVICE_DEVICE_SUM; i++, offset++)
+		fw_hdr->devs[i] = buf[offset];
+
+	fw_hdr->nconfig = get_unaligned_be32(&buf[offset]);
+	offset += 4;
+
+	for (i = 0; i < TASDEVICE_CONFIG_SUM; i++) {
+		fw_hdr->config_size[i] = get_unaligned_be32(&buf[offset]);
+		offset += 4;
+		total_config_sz += fw_hdr->config_size[i];
+	}
+
+	if (fw_hdr->img_sz - total_config_sz != (unsigned int)offset) {
+		dev_err(tas_priv->dev, "Bin file err %d - %d != %d!\n",
+			fw_hdr->img_sz, total_config_sz, (int)offset);
+		tas_priv->fw_state = TASDEVICE_DSP_FW_FAIL;
+		return -EINVAL;
+	}
+
+	cfg_info = kcalloc(fw_hdr->nconfig, sizeof(*cfg_info), GFP_KERNEL);
+	if (!cfg_info) {
+		tas_priv->fw_state = TASDEVICE_DSP_FW_FAIL;
+		return -ENOMEM;
+	}
+	rca->cfg_info = cfg_info;
+	rca->ncfgs = 0;
+	for (i = 0; i < (int)fw_hdr->nconfig; i++) {
+		rca->ncfgs += 1;
+		cfg_info[i] = tasdevice_add_config(tas_priv, &buf[offset],
+			fw_hdr->config_size[i], &ret);
+		if (ret) {
+			tas_priv->fw_state = TASDEVICE_DSP_FW_FAIL;
+			return ret;
+		}
+		offset += (int)fw_hdr->config_size[i];
+	}
+
+	return ret;
+}
+
+/* fixed m68k compiling issue: mapping table can save code field */
+static unsigned char map_dev_idx(struct tasdevice_fw *tas_fmw,
+	struct tasdev_blk *block)
+{
+	struct blktyp_devidx_map *p =
+		(struct blktyp_devidx_map *)non_ppc3_mapping_table;
+	struct tasdevice_dspfw_hdr *fw_hdr = &tas_fmw->fw_hdr;
+	struct tasdevice_fw_fixed_hdr *fw_fixed_hdr = &fw_hdr->fixed_hdr;
+	int i, n = ARRAY_SIZE(non_ppc3_mapping_table);
+	unsigned char dev_idx = 0;
+
+	if (fw_fixed_hdr->ppcver >= PPC3_VERSION_TAS2781) {
+		p = (struct blktyp_devidx_map *)ppc3_tas2781_mapping_table;
+		n = ARRAY_SIZE(ppc3_tas2781_mapping_table);
+	} else if (fw_fixed_hdr->ppcver >= PPC3_VERSION) {
+		p = (struct blktyp_devidx_map *)ppc3_mapping_table;
+		n = ARRAY_SIZE(ppc3_mapping_table);
+	}
+
+	for (i = 0; i < n; i++) {
+		if (block->type == p[i].blktyp) {
+			dev_idx = p[i].dev_idx;
+			break;
+		}
+	}
+
+	return dev_idx;
+}
+
+/* Block parser function. */
+static int fw_parse_block_data_kernel(struct tasdevice_fw *tas_fmw,
+	struct tasdev_blk *block, const struct firmware *fmw, int offset)
+{
+	const unsigned char *data = fmw->data;
+
+	if (offset + 16 > fmw->size) {
+		dev_err(tas_fmw->dev, "%s: File Size error\n", __func__);
+		return -EINVAL;
+	}
+
+	/*
+	 * Convert data[offset], data[offset + 1], data[offset + 2] and
+	 * data[offset + 3] into host.
+	 */
+	block->type = get_unaligned_be32(&data[offset]);
+	offset += 4;
+
+	block->is_pchksum_present = data[offset++];
+	block->pchksum = data[offset++];
+	block->is_ychksum_present = data[offset++];
+	block->ychksum = data[offset++];
+	block->blk_size = get_unaligned_be32(&data[offset]);
+	offset += 4;
+	block->nr_subblocks = get_unaligned_be32(&data[offset]);
+	offset += 4;
+
+	/*
+	 * Fixed m68k compiling issue:
+	 * 1. mapping table can save code field.
+	 * 2. storing the dev_idx as a member of block can reduce unnecessary
+	 *    time and system resource comsumption of dev_idx mapping every
+	 *    time the block data writing to the dsp.
+	 */
+	block->dev_idx = map_dev_idx(tas_fmw, block);
+
+	if (offset + block->blk_size > fmw->size) {
+		dev_err(tas_fmw->dev, "%s: nSublocks error\n", __func__);
+		return -EINVAL;
+	}
+	/* instead of kzalloc+memcpy */
+	block->data = kmemdup(&data[offset], block->blk_size, GFP_KERNEL);
+	if (!block->data)
+		return -ENOMEM;
+
+	offset += block->blk_size;
+
+	return offset;
+}
+
+/* Data of block parser function. */
+static int fw_parse_data_kernel(struct tasdevice_fw *tas_fmw,
+	struct tasdevice_data *img_data, const struct firmware *fmw,
+	int offset)
+{
+	const unsigned char *data = fmw->data;
+	struct tasdev_blk *blk;
+	unsigned int i;
+
+	if (offset + 4 > fmw->size) {
+		dev_err(tas_fmw->dev, "%s: File Size error\n", __func__);
+		return -EINVAL;
+	}
+	img_data->nr_blk = get_unaligned_be32(&data[offset]);
+	offset += 4;
+
+	img_data->dev_blks = kcalloc(img_data->nr_blk,
+		sizeof(struct tasdev_blk), GFP_KERNEL);
+	if (!img_data->dev_blks)
+		return -ENOMEM;
+
+	for (i = 0; i < img_data->nr_blk; i++) {
+		blk = &img_data->dev_blks[i];
+		offset = fw_parse_block_data_kernel(
+			tas_fmw, blk, fmw, offset);
+		if (offset < 0) {
+			kfree(img_data->dev_blks);
+			return -EINVAL;
+		}
+	}
+
+	return offset;
+}
+
+/* Data of DSP program parser function. */
+static int fw_parse_program_data_kernel(
+	struct tasdevice_priv *tas_priv, struct tasdevice_fw *tas_fmw,
+	const struct firmware *fmw, int offset)
+{
+	struct tasdevice_prog *program;
+	unsigned int i;
+
+	for (i = 0; i < tas_fmw->nr_programs; i++) {
+		program = &tas_fmw->programs[i];
+		if (offset + 72 > fmw->size) {
+			dev_err(tas_priv->dev, "%s: mpName error\n", __func__);
+			return -EINVAL;
+		}
+		/* skip 72 unused byts */
+		offset += 72;
+
+		offset = fw_parse_data_kernel(tas_fmw, &program->dev_data,
+			fmw, offset);
+		if (offset < 0)
+			break;
+	}
+
+	return offset;
+}
+
+/* Data of DSP configurations parser function. */
+static int fw_parse_configuration_data_kernel(struct tasdevice_priv *tas_priv,
+	struct tasdevice_fw *tas_fmw, const struct firmware *fmw, int offset)
+{
+	const unsigned char *data = fmw->data;
+	struct tasdevice_config *config;
+	unsigned int i;
+
+	for (i = 0; i < tas_fmw->nr_configurations; i++) {
+		config = &tas_fmw->configs[i];
+		if (offset + 80 > fmw->size) {
+			dev_err(tas_priv->dev, "%s: mpName error\n", __func__);
+			return -EINVAL;
+		}
+		memcpy(config->name, &data[offset], 64);
+		/* skip extra 16 bytes */
+		offset += 80;
+
+		offset = fw_parse_data_kernel(tas_fmw, &config->dev_data,
+			fmw, offset);
+		if (offset < 0)
+			break;
+	}
+
+	return offset;
+}
+
+/* DSP firmware file header parser function for early PPC3 firmware binary. */
+static int fw_parse_variable_header_kernel(struct tasdevice_priv *tas_priv,
+	const struct firmware *fmw, int offset)
+{
+	struct tasdevice_fw *tas_fmw = tas_priv->fmw;
+	struct tasdevice_dspfw_hdr *fw_hdr = &tas_fmw->fw_hdr;
+	struct tasdevice_config *config;
+	struct tasdevice_prog *program;
+	const unsigned char *buf = fmw->data;
+	unsigned short max_confs;
+	unsigned int i;
+
+	if (offset + 12 + 4 * TASDEVICE_MAXPROGRAM_NUM_KERNEL > fmw->size) {
+		dev_err(tas_priv->dev, "%s: File Size error\n", __func__);
+		return -EINVAL;
+	}
+	fw_hdr->device_family = get_unaligned_be16(&buf[offset]);
+	if (fw_hdr->device_family != 0) {
+		dev_err(tas_priv->dev, "%s:not TAS device\n", __func__);
+		return -EINVAL;
+	}
+	offset += 2;
+	fw_hdr->device = get_unaligned_be16(&buf[offset]);
+	if (fw_hdr->device >= TASDEVICE_DSP_TAS_MAX_DEVICE ||
+	    fw_hdr->device == 6) {
+		dev_err(tas_priv->dev, "Unsupported dev %d\n", fw_hdr->device);
+		return -EINVAL;
+	}
+	offset += 2;
+
+	tas_fmw->nr_programs = get_unaligned_be32(&buf[offset]);
+	offset += 4;
+
+	if (tas_fmw->nr_programs == 0 ||
+	    tas_fmw->nr_programs > TASDEVICE_MAXPROGRAM_NUM_KERNEL) {
+		dev_err(tas_priv->dev, "mnPrograms is invalid\n");
+		return -EINVAL;
+	}
+
+	tas_fmw->programs = kcalloc(tas_fmw->nr_programs,
+		sizeof(*tas_fmw->programs), GFP_KERNEL);
+	if (!tas_fmw->programs)
+		return -ENOMEM;
+
+	for (i = 0; i < tas_fmw->nr_programs; i++) {
+		program = &tas_fmw->programs[i];
+		program->prog_size = get_unaligned_be32(&buf[offset]);
+		offset += 4;
+	}
+
+	/* Skip the unused prog_size */
+	offset += 4 * (TASDEVICE_MAXPROGRAM_NUM_KERNEL - tas_fmw->nr_programs);
+
+	tas_fmw->nr_configurations = get_unaligned_be32(&buf[offset]);
+	offset += 4;
+
+	/*
+	 * The max number of config in firmware greater than 4 pieces of
+	 * tas2781s is different from the one lower than 4 pieces of
+	 * tas2781s.
+	 */
+	max_confs = TASDEVICE_MAXCONFIG_NUM_KERNEL;
+	if (tas_fmw->nr_configurations == 0 ||
+	    tas_fmw->nr_configurations > max_confs) {
+		dev_err(tas_priv->dev, "%s: Conf is invalid\n", __func__);
+		kfree(tas_fmw->programs);
+		return -EINVAL;
+	}
+
+	if (offset + 4 * max_confs > fmw->size) {
+		dev_err(tas_priv->dev, "%s: mpConfigurations err\n", __func__);
+		kfree(tas_fmw->programs);
+		return -EINVAL;
+	}
+
+	tas_fmw->configs = kcalloc(tas_fmw->nr_configurations,
+		sizeof(*tas_fmw->configs), GFP_KERNEL);
+	if (!tas_fmw->configs) {
+		kfree(tas_fmw->programs);
+		return -ENOMEM;
+	}
+
+	for (i = 0; i < tas_fmw->nr_programs; i++) {
+		config = &tas_fmw->configs[i];
+		config->cfg_size = get_unaligned_be32(&buf[offset]);
+		offset += 4;
+	}
+
+	/* Skip the unused configs */
+	offset += 4 * (max_confs - tas_fmw->nr_programs);
+
+	return offset;
+}
+
+/*
+ * In sub-block data, have three type sub-block:
+ * 1. Single byte write.
+ * 2. Multi-byte write.
+ * 3. Delay.
+ * 4. Bits update.
+ * This function perform single byte write to device.
+ */
+static int tasdevice_single_byte_wr(void *context, int dev_idx,
+				    unsigned char *data, int sublocksize)
+{
+	struct tasdevice_priv *tas_priv = context;
+	unsigned short len = get_unaligned_be16(&data[2]);
+	int i, subblk_offset, rc;
+
+	subblk_offset = 4;
+	if (subblk_offset + 4 * len > sublocksize) {
+		dev_err(tas_priv->dev, "process_block: Out of boundary\n");
+		return 0;
+	}
+
+	for (i = 0; i < len; i++) {
+		if (dev_idx == (tas_priv->index + 1) || dev_idx == 0) {
+			rc = tasdevice_spi_dev_write(tas_priv,
+				TASDEVICE_REG(data[subblk_offset],
+				data[subblk_offset + 1],
+				data[subblk_offset + 2]),
+				data[subblk_offset + 3]);
+			if (rc < 0) {
+				dev_err(tas_priv->dev,
+					"process_block: single write error\n");
+				subblk_offset |= OFFSET_ERROR_BIT;
+			}
+		}
+		subblk_offset += 4;
+	}
+
+	return subblk_offset;
+}
+
+/*
+ * In sub-block data, have three type sub-block:
+ * 1. Single byte write.
+ * 2. Multi-byte write.
+ * 3. Delay.
+ * 4. Bits update.
+ * This function perform multi-write to device.
+ */
+static int tasdevice_burst_wr(void *context, int dev_idx, unsigned char *data,
+	int sublocksize)
+{
+	struct tasdevice_priv *tas_priv = context;
+	unsigned short len = get_unaligned_be16(&data[2]);
+	int subblk_offset, rc;
+
+	subblk_offset = 4;
+	if (subblk_offset + 4 + len > sublocksize) {
+		dev_err(tas_priv->dev, "%s: BST Out of boundary\n", __func__);
+		subblk_offset |= OFFSET_ERROR_BIT;
+	}
+	if (len % 4) {
+		dev_err(tas_priv->dev, "%s:Bst-len(%u)not div by 4\n",
+			__func__, len);
+		subblk_offset |= OFFSET_ERROR_BIT;
+	}
+
+	if (dev_idx == (tas_priv->index + 1) || dev_idx == 0) {
+		rc = tasdevice_spi_dev_bulk_write(tas_priv,
+			TASDEVICE_REG(data[subblk_offset],
+				      data[subblk_offset + 1],
+				      data[subblk_offset + 2]),
+				      &data[subblk_offset + 4], len);
+		if (rc < 0) {
+			dev_err(tas_priv->dev, "%s: bulk_write error = %d\n",
+				__func__, rc);
+			subblk_offset |= OFFSET_ERROR_BIT;
+		}
+	}
+	subblk_offset += (len + 4);
+
+	return subblk_offset;
+}
+
+/* Just delay for ms.*/
+static int tasdevice_delay(void *context, int dev_idx, unsigned char *data,
+	int sublocksize)
+{
+	struct tasdevice_priv *tas_priv = context;
+	unsigned int sleep_time, subblk_offset = 2;
+
+	if (subblk_offset + 2 > sublocksize) {
+		dev_err(tas_priv->dev, "%s: delay Out of boundary\n",
+			__func__);
+		subblk_offset |= OFFSET_ERROR_BIT;
+	}
+	if (dev_idx == (tas_priv->index + 1) || dev_idx == 0) {
+		sleep_time = get_unaligned_be16(&data[2]) * 1000;
+		fsleep(sleep_time);
+	}
+	subblk_offset += 2;
+
+	return subblk_offset;
+}
+
+/*
+ * In sub-block data, have three type sub-block:
+ * 1. Single byte write.
+ * 2. Multi-byte write.
+ * 3. Delay.
+ * 4. Bits update.
+ * This function perform bits update.
+ */
+static int tasdevice_field_wr(void *context, int dev_idx, unsigned char *data,
+	int sublocksize)
+{
+	struct tasdevice_priv *tas_priv = context;
+	int rc, subblk_offset = 2;
+
+	if (subblk_offset + 6 > sublocksize) {
+		dev_err(tas_priv->dev, "%s: bit write Out of boundary\n",
+			__func__);
+		subblk_offset |= OFFSET_ERROR_BIT;
+	}
+	if (dev_idx == (tas_priv->index + 1) || dev_idx == 0) {
+		rc = tasdevice_spi_dev_update_bits(tas_priv,
+			TASDEVICE_REG(data[subblk_offset + 2],
+			data[subblk_offset + 3],
+			data[subblk_offset + 4]),
+			data[subblk_offset + 1],
+			data[subblk_offset + 5]);
+		if (rc < 0) {
+			dev_err(tas_priv->dev, "%s: update_bits error = %d\n",
+				__func__, rc);
+			subblk_offset |= OFFSET_ERROR_BIT;
+		}
+	}
+	subblk_offset += 6;
+
+	return subblk_offset;
+}
+
+/* Data block process function. */
+static int tasdevice_process_block(void *context, unsigned char *data,
+	unsigned char dev_idx, int sublocksize)
+{
+	struct tasdevice_priv *tas_priv = context;
+	int blktyp = dev_idx & 0xC0, subblk_offset;
+	unsigned char subblk_typ = data[1];
+
+	switch (subblk_typ) {
+	case TASDEVICE_CMD_SING_W:
+		subblk_offset = tasdevice_single_byte_wr(tas_priv,
+			dev_idx & 0x4f, data, sublocksize);
+		break;
+	case TASDEVICE_CMD_BURST:
+		subblk_offset = tasdevice_burst_wr(tas_priv,
+			dev_idx & 0x4f, data, sublocksize);
+		break;
+	case TASDEVICE_CMD_DELAY:
+		subblk_offset = tasdevice_delay(tas_priv,
+			dev_idx & 0x4f, data, sublocksize);
+		break;
+	case TASDEVICE_CMD_FIELD_W:
+		subblk_offset = tasdevice_field_wr(tas_priv,
+			dev_idx & 0x4f, data, sublocksize);
+		break;
+	default:
+		subblk_offset = 2;
+		break;
+	}
+	if (((subblk_offset & OFFSET_ERROR_BIT) != 0) && blktyp != 0) {
+		if (blktyp == 0x80) {
+			tas_priv->cur_prog = -1;
+			tas_priv->cur_conf = -1;
+		} else
+			tas_priv->cur_conf = -1;
+	}
+	subblk_offset &= ~OFFSET_ERROR_BIT;
+
+	return subblk_offset;
+}
+
+/*
+ * Device support different configurations for different scene,
+ * this function was used for choose different config.
+ */
+void tasdevice_spi_select_cfg_blk(void *pContext, int conf_no,
+	unsigned char block_type)
+{
+	struct tasdevice_priv *tas_priv = pContext;
+	struct tasdevice_rca *rca = &tas_priv->rcabin;
+	struct tasdevice_config_info **cfg_info = rca->cfg_info;
+	struct tasdev_blk_data **blk_data;
+	unsigned int j, k;
+
+	if (conf_no >= rca->ncfgs || conf_no < 0 || !cfg_info) {
+		dev_err(tas_priv->dev, "conf_no should be not more than %u\n",
+			rca->ncfgs);
+		return;
+	}
+	blk_data = cfg_info[conf_no]->blk_data;
+
+	for (j = 0; j < cfg_info[conf_no]->real_nblocks; j++) {
+		unsigned int length = 0, rc = 0;
+
+		if (block_type > 5 || block_type < 2) {
+			dev_err(tas_priv->dev,
+				"block_type should be in range from 2 to 5\n");
+			break;
+		}
+		if (block_type != blk_data[j]->block_type)
+			continue;
+
+		for (k = 0; k < blk_data[j]->n_subblks; k++) {
+			tas_priv->is_loading = true;
+
+			rc = tasdevice_process_block(tas_priv,
+				blk_data[j]->regdata + length,
+				blk_data[j]->dev_idx,
+				blk_data[j]->block_size - length);
+			length += rc;
+			if (blk_data[j]->block_size < length) {
+				dev_err(tas_priv->dev,
+					"%s: %u %u out of boundary\n",
+					__func__, length,
+					blk_data[j]->block_size);
+				break;
+			}
+		}
+		if (length != blk_data[j]->block_size)
+			dev_err(tas_priv->dev, "%s: %u %u size is not same\n",
+				__func__, length, blk_data[j]->block_size);
+	}
+}
+
+/* Block process function. */
+static int tasdevice_load_block_kernel(
+	struct tasdevice_priv *tasdevice, struct tasdev_blk *block)
+{
+	const unsigned int blk_size = block->blk_size;
+	unsigned char *data = block->data;
+	unsigned int i, length;
+
+	for (i = 0, length = 0; i < block->nr_subblocks; i++) {
+		int rc = tasdevice_process_block(tasdevice, data + length,
+			block->dev_idx, blk_size - length);
+		if (rc < 0) {
+			dev_err(tasdevice->dev,
+				"%s: %u %u sublock write error\n",
+				__func__, length, blk_size);
+			return rc;
+		}
+		length += rc;
+		if (blk_size < length) {
+			dev_err(tasdevice->dev, "%s: %u %u out of boundary\n",
+				__func__, length, blk_size);
+			rc = -ENOMEM;
+			return rc;
+		}
+	}
+
+	return 0;
+}
+
+/* DSP firmware file header parser function. */
+static int fw_parse_variable_hdr(struct tasdevice_priv *tas_priv,
+	struct tasdevice_dspfw_hdr *fw_hdr,
+	const struct firmware *fmw, int offset)
+{
+	const unsigned char *buf = fmw->data;
+	int len = strlen((char *)&buf[offset]);
+
+	len++;
+
+	if (offset + len + 8 > fmw->size) {
+		dev_err(tas_priv->dev, "%s: File Size error\n", __func__);
+		return -EINVAL;
+	}
+
+	offset += len;
+
+	fw_hdr->device_family = get_unaligned_be32(&buf[offset]);
+	if (fw_hdr->device_family != 0) {
+		dev_err(tas_priv->dev, "%s: not TAS device\n", __func__);
+		return -EINVAL;
+	}
+	offset += 4;
+
+	fw_hdr->device = get_unaligned_be32(&buf[offset]);
+	if (fw_hdr->device >= TASDEVICE_DSP_TAS_MAX_DEVICE ||
+	    fw_hdr->device == 6) {
+		dev_err(tas_priv->dev, "Unsupported dev %d\n", fw_hdr->device);
+		return -EINVAL;
+	}
+	offset += 4;
+	fw_hdr->ndev = 1;
+
+	return offset;
+}
+
+/* DSP firmware file header parser function for size variabled header. */
+static int fw_parse_variable_header_git(struct tasdevice_priv
+	*tas_priv, const struct firmware *fmw, int offset)
+{
+	struct tasdevice_fw *tas_fmw = tas_priv->fmw;
+	struct tasdevice_dspfw_hdr *fw_hdr = &tas_fmw->fw_hdr;
+
+	offset = fw_parse_variable_hdr(tas_priv, fw_hdr, fmw, offset);
+
+	return offset;
+}
+
+/* DSP firmware file block parser function. */
+static int fw_parse_block_data(struct tasdevice_fw *tas_fmw,
+	struct tasdev_blk *block, const struct firmware *fmw, int offset)
+{
+	unsigned char *data = (unsigned char *)fmw->data;
+	int n;
+
+	if (offset + 8 > fmw->size) {
+		dev_err(tas_fmw->dev, "%s: Type error\n", __func__);
+		return -EINVAL;
+	}
+	block->type = get_unaligned_be32(&data[offset]);
+	offset += 4;
+
+	if (tas_fmw->fw_hdr.fixed_hdr.drv_ver >= PPC_DRIVER_CRCCHK) {
+		if (offset + 8 > fmw->size) {
+			dev_err(tas_fmw->dev, "PChkSumPresent error\n");
+			return -EINVAL;
+		}
+		block->is_pchksum_present = data[offset];
+		offset++;
+
+		block->pchksum = data[offset];
+		offset++;
+
+		block->is_ychksum_present = data[offset];
+		offset++;
+
+		block->ychksum = data[offset];
+		offset++;
+	} else {
+		block->is_pchksum_present = 0;
+		block->is_ychksum_present = 0;
+	}
+
+	block->nr_cmds = get_unaligned_be32(&data[offset]);
+	offset += 4;
+
+	n = block->nr_cmds * 4;
+	if (offset + n > fmw->size) {
+		dev_err(tas_fmw->dev,
+			"%s: File Size(%lu) error offset = %d n = %d\n",
+			__func__, (unsigned long)fmw->size, offset, n);
+		return -EINVAL;
+	}
+	/* instead of kzalloc+memcpy */
+	block->data = kmemdup(&data[offset], n, GFP_KERNEL);
+	if (!block->data)
+		return -ENOMEM;
+
+	offset += n;
+
+	return offset;
+}
+
+/*
+ * When parsing error occurs, all the memory resource will be released
+ * in the end of tasdevice_rca_ready.
+ */
+static int fw_parse_data(struct tasdevice_fw *tas_fmw,
+	struct tasdevice_data *img_data, const struct firmware *fmw,
+	int offset)
+{
+	const unsigned char *data = (unsigned char *)fmw->data;
+	struct tasdev_blk *blk;
+	unsigned int i, n;
+
+	if (offset + 64 > fmw->size) {
+		dev_err(tas_fmw->dev, "%s: Name error\n", __func__);
+		return -EINVAL;
+	}
+	memcpy(img_data->name, &data[offset], 64);
+	offset += 64;
+
+	n = strlen((char *)&data[offset]);
+	n++;
+	if (offset + n + 2 > fmw->size) {
+		dev_err(tas_fmw->dev, "%s: Description error\n", __func__);
+		return -EINVAL;
+	}
+	offset += n;
+	img_data->nr_blk = get_unaligned_be16(&data[offset]);
+	offset += 2;
+
+	img_data->dev_blks = kcalloc(img_data->nr_blk,
+		sizeof(*img_data->dev_blks), GFP_KERNEL);
+	if (!img_data->dev_blks)
+		return -ENOMEM;
+
+	for (i = 0; i < img_data->nr_blk; i++) {
+		blk = &img_data->dev_blks[i];
+		offset = fw_parse_block_data(tas_fmw, blk, fmw, offset);
+		if (offset < 0)
+			return -EINVAL;
+	}
+
+	return offset;
+}
+
+/*
+ * When parsing error occurs, all the memory resource will be released
+ * in the end of tasdevice_rca_ready.
+ */
+static int fw_parse_program_data(struct tasdevice_priv *tas_priv,
+	struct tasdevice_fw *tas_fmw, const struct firmware *fmw, int offset)
+{
+	unsigned char *buf = (unsigned char *)fmw->data;
+	struct tasdevice_prog *program;
+	int i;
+
+	if (offset + 2 > fmw->size) {
+		dev_err(tas_priv->dev, "%s: File Size error\n", __func__);
+		return -EINVAL;
+	}
+	tas_fmw->nr_programs = get_unaligned_be16(&buf[offset]);
+	offset += 2;
+
+	if (tas_fmw->nr_programs == 0) {
+		/* Not error in calibration Data file, return directly */
+		dev_dbg(tas_priv->dev, "%s: No Programs data, maybe calbin\n",
+			__func__);
+		return offset;
+	}
+
+	tas_fmw->programs =
+		kcalloc(tas_fmw->nr_programs, sizeof(*tas_fmw->programs),
+			GFP_KERNEL);
+	if (!tas_fmw->programs)
+		return -ENOMEM;
+
+	for (i = 0; i < tas_fmw->nr_programs; i++) {
+		int n = 0;
+
+		program = &tas_fmw->programs[i];
+		if (offset + 64 > fmw->size) {
+			dev_err(tas_priv->dev, "%s: mpName error\n", __func__);
+			return -EINVAL;
+		}
+		offset += 64;
+
+		n = strlen((char *)&buf[offset]);
+		/* skip '\0' and 5 unused bytes */
+		n += 6;
+		if (offset + n > fmw->size) {
+			dev_err(tas_priv->dev, "Description err\n");
+			return -EINVAL;
+		}
+
+		offset += n;
+
+		offset = fw_parse_data(tas_fmw, &program->dev_data, fmw,
+			offset);
+		if (offset < 0)
+			return offset;
+	}
+
+	return offset;
+}
+
+/*
+ * When parsing error occurs, all the memory resource will be released
+ * in the end of tasdevice_rca_ready.
+ */
+static int fw_parse_configuration_data(struct tasdevice_priv *tas_priv,
+	struct tasdevice_fw *tas_fmw, const struct firmware *fmw, int offset)
+{
+	unsigned char *data = (unsigned char *)fmw->data;
+	struct tasdevice_config *config;
+	unsigned int i, n;
+
+	if (offset + 2 > fmw->size) {
+		dev_err(tas_priv->dev, "%s: File Size error\n", __func__);
+		return -EINVAL;
+	}
+	tas_fmw->nr_configurations = get_unaligned_be16(&data[offset]);
+	offset += 2;
+
+	if (tas_fmw->nr_configurations == 0) {
+		dev_err(tas_priv->dev, "%s: Conf is zero\n", __func__);
+		/* Not error for calibration Data file, return directly */
+		return offset;
+	}
+	tas_fmw->configs = kcalloc(tas_fmw->nr_configurations,
+			sizeof(*tas_fmw->configs), GFP_KERNEL);
+	if (!tas_fmw->configs)
+		return -ENOMEM;
+	for (i = 0; i < tas_fmw->nr_configurations; i++) {
+		config = &tas_fmw->configs[i];
+		if (offset + 64 > fmw->size) {
+			dev_err(tas_priv->dev, "File Size err\n");
+			return -EINVAL;
+		}
+		memcpy(config->name, &data[offset], 64);
+		offset += 64;
+
+		n = strlen((char *)&data[offset]);
+		n += 15;
+		if (offset + n > fmw->size) {
+			dev_err(tas_priv->dev, "Description err\n");
+			return -EINVAL;
+		}
+		offset += n;
+		offset = fw_parse_data(tas_fmw, &config->dev_data,
+				       fmw, offset);
+		if (offset < 0)
+			break;
+	}
+
+	return offset;
+}
+
+/* yram5 page check. */
+static bool check_inpage_yram_rg(struct tas_crc *cd,
+	unsigned char reg, unsigned char len)
+{
+	bool in = false;
+
+	if (reg <= TAS2781_YRAM5_END_REG &&
+	    reg >= TAS2781_YRAM5_START_REG) {
+		if (reg + len > TAS2781_YRAM5_END_REG)
+			cd->len = TAS2781_YRAM5_END_REG - reg + 1;
+		else
+			cd->len = len;
+		cd->offset = reg;
+		in = true;
+	} else if (reg < TAS2781_YRAM5_START_REG) {
+		if (reg + len > TAS2781_YRAM5_START_REG) {
+			cd->offset = TAS2781_YRAM5_START_REG;
+			cd->len = len - TAS2781_YRAM5_START_REG + reg;
+			in = true;
+		}
+	}
+
+	return in;
+}
+
+/* DSP firmware yram block check. */
+static bool check_inpage_yram_bk1(struct tas_crc *cd,
+	unsigned char page, unsigned char reg, unsigned char len)
+{
+	bool in = false;
+
+	if (page == TAS2781_YRAM1_PAGE) {
+		if (reg >= TAS2781_YRAM1_START_REG) {
+			cd->offset = reg;
+			cd->len = len;
+			in = true;
+		} else if (reg + len > TAS2781_YRAM1_START_REG) {
+			cd->offset = TAS2781_YRAM1_START_REG;
+			cd->len = len - TAS2781_YRAM1_START_REG + reg;
+			in = true;
+		}
+	} else if (page == TAS2781_YRAM3_PAGE) {
+		in = check_inpage_yram_rg(cd, reg, len);
+	}
+
+	return in;
+}
+
+/*
+ * Return Code:
+ * true -- the registers are in the inpage yram
+ * false -- the registers are NOT in the inpage yram
+ */
+static bool check_inpage_yram(struct tas_crc *cd, unsigned char book,
+	unsigned char page, unsigned char reg, unsigned char len)
+{
+	bool in = false;
+
+	if (book == TAS2781_YRAM_BOOK1)
+		in = check_inpage_yram_bk1(cd, page, reg, len);
+	else if (book == TAS2781_YRAM_BOOK2 && page == TAS2781_YRAM5_PAGE)
+		in = check_inpage_yram_rg(cd, reg, len);
+
+	return in;
+}
+
+/* yram4 page check. */
+static bool check_inblock_yram_bk(struct tas_crc *cd,
+	unsigned char page, unsigned char reg, unsigned char len)
+{
+	bool in = false;
+
+	if ((page >= TAS2781_YRAM4_START_PAGE &&
+	     page <= TAS2781_YRAM4_END_PAGE) ||
+	    (page >= TAS2781_YRAM2_START_PAGE &&
+	     page <= TAS2781_YRAM2_END_PAGE)) {
+		if (reg <= TAS2781_YRAM2_END_REG &&
+		    reg >= TAS2781_YRAM2_START_REG) {
+			cd->offset = reg;
+			cd->len = len;
+			in = true;
+		} else if (reg < TAS2781_YRAM2_START_REG) {
+			if (reg + len - 1 >= TAS2781_YRAM2_START_REG) {
+				cd->offset = TAS2781_YRAM2_START_REG;
+				cd->len = reg + len - TAS2781_YRAM2_START_REG;
+				in = true;
+			}
+		}
+	}
+
+	return in;
+}
+
+/*
+ * Return Code:
+ * true -- the registers are in the inblock yram
+ * false -- the registers are NOT in the inblock yram
+ */
+static bool check_inblock_yram(struct tas_crc *cd, unsigned char book,
+	unsigned char page, unsigned char reg, unsigned char len)
+{
+	bool in = false;
+
+	if (book == TAS2781_YRAM_BOOK1 || book == TAS2781_YRAM_BOOK2)
+		in = check_inblock_yram_bk(cd, page, reg, len);
+
+	return in;
+}
+
+/* yram page check. */
+static bool check_yram(struct tas_crc *cd, unsigned char book,
+	unsigned char page, unsigned char reg, unsigned char len)
+{
+	bool in;
+
+	in = check_inpage_yram(cd, book, page, reg, len);
+	if (!in)
+		in = check_inblock_yram(cd, book, page, reg, len);
+
+	return in;
+}
+
+/* Checksum for data block. */
+static int tasdev_multibytes_chksum(struct tasdevice_priv *tasdevice,
+	unsigned char book, unsigned char page,
+	unsigned char reg, unsigned int len)
+{
+	struct tas_crc crc_data;
+	unsigned char crc_chksum = 0;
+	unsigned char nBuf1[128];
+	int ret = 0, i;
+	bool in;
+
+	if ((reg + len - 1) > 127) {
+		ret = -EINVAL;
+		dev_err(tasdevice->dev, "firmware error\n");
+		goto end;
+	}
+
+	if ((book == TASDEVICE_BOOK_ID(TAS2781_SA_COEFF_SWAP_REG)) &&
+	    (page == TASDEVICE_PAGE_ID(TAS2781_SA_COEFF_SWAP_REG)) &&
+	    (reg == TASDEVICE_REG_ID(TAS2781_SA_COEFF_SWAP_REG)) &&
+	    (len == 4)) {
+		/* DSP swap command, pass */
+		ret = 0;
+		goto end;
+	}
+
+	in = check_yram(&crc_data, book, page, reg, len);
+	if (!in)
+		goto end;
+
+	if (len == 1) {
+		dev_err(tasdevice->dev, "firmware error\n");
+		ret = -EINVAL;
+		goto end;
+	}
+
+	ret = tasdevice_spi_dev_bulk_read(tasdevice,
+		TASDEVICE_REG(book, page, crc_data.offset),
+		nBuf1, crc_data.len);
+	if (ret < 0)
+		goto end;
+
+	for (i = 0; i < crc_data.len; i++) {
+		if ((book == TASDEVICE_BOOK_ID(TAS2781_SA_COEFF_SWAP_REG)) &&
+		    (page == TASDEVICE_PAGE_ID(TAS2781_SA_COEFF_SWAP_REG)) &&
+		    ((i + crc_data.offset) >=
+			TASDEVICE_REG_ID(TAS2781_SA_COEFF_SWAP_REG)) &&
+		    ((i + crc_data.offset) <=
+			(TASDEVICE_REG_ID(TAS2781_SA_COEFF_SWAP_REG) + 4)))
+			/* DSP swap command, bypass */
+			continue;
+		else
+			crc_chksum += crc8(tasdevice->crc8_lkp_tbl, &nBuf1[i],
+				1, 0);
+	}
+
+	ret = crc_chksum;
+
+end:
+	return ret;
+}
+
+/* Checksum for single register. */
+static int do_singlereg_checksum(struct tasdevice_priv *tasdevice,
+	unsigned char book, unsigned char page,
+	unsigned char reg, unsigned char val)
+{
+	struct tas_crc crc_data;
+	unsigned int nData1;
+	int ret = 0;
+	bool in;
+
+	/* DSP swap command, pass */
+	if ((book == TASDEVICE_BOOK_ID(TAS2781_SA_COEFF_SWAP_REG)) &&
+	    (page == TASDEVICE_PAGE_ID(TAS2781_SA_COEFF_SWAP_REG)) &&
+	    (reg >= TASDEVICE_REG_ID(TAS2781_SA_COEFF_SWAP_REG)) &&
+	    (reg <= (TASDEVICE_REG_ID(TAS2781_SA_COEFF_SWAP_REG) + 4)))
+		return 0;
+
+	in = check_yram(&crc_data, book, page, reg, 1);
+	if (!in)
+		return 0;
+	ret = tasdevice_spi_dev_read(tasdevice,
+		TASDEVICE_REG(book, page, reg), &nData1);
+	if (ret < 0)
+		return ret;
+
+	if (nData1 != val) {
+		dev_err(tasdevice->dev,
+			"B[0x%x]P[0x%x]R[0x%x] W[0x%x], R[0x%x]\n",
+			book, page, reg, val, nData1);
+		tasdevice->err_code |= ERROR_YRAM_CRCCHK;
+		return -EAGAIN;
+	}
+
+	ret = crc8(tasdevice->crc8_lkp_tbl, &val, 1, 0);
+
+	return ret;
+}
+
+/* Block type check. */
+static void set_err_prg_cfg(unsigned int type, struct tasdevice_priv *p)
+{
+	if ((type == MAIN_ALL_DEVICES) || (type == MAIN_DEVICE_A) ||
+	    (type == MAIN_DEVICE_B) || (type == MAIN_DEVICE_C) ||
+	    (type == MAIN_DEVICE_D))
+		p->cur_prog = -1;
+	else
+		p->cur_conf = -1;
+}
+
+/* Checksum for data bytes. */
+static int tasdev_bytes_chksum(struct tasdevice_priv *tas_priv,
+	struct tasdev_blk *block, unsigned char book,
+	unsigned char page, unsigned char reg, unsigned int len,
+	unsigned char val, unsigned char *crc_chksum)
+{
+	int ret;
+
+	if (len > 1)
+		ret = tasdev_multibytes_chksum(tas_priv, book, page, reg,
+			len);
+	else
+		ret = do_singlereg_checksum(tas_priv, book, page, reg, val);
+
+	if (ret > 0) {
+		*crc_chksum += ret;
+		goto end;
+	}
+
+	if (ret != -EAGAIN)
+		goto end;
+
+	block->nr_retry--;
+	if (block->nr_retry > 0)
+		goto end;
+
+	set_err_prg_cfg(block->type, tas_priv);
+
+end:
+	return ret;
+}
+
+/* Multi-data byte write. */
+static int tasdev_multibytes_wr(struct tasdevice_priv *tas_priv,
+	struct tasdev_blk *block, unsigned char book,
+	unsigned char page, unsigned char reg, unsigned char *data,
+	unsigned int len, unsigned int *nr_cmds,
+	unsigned char *crc_chksum)
+{
+	int ret;
+
+	if (len > 1) {
+		ret = tasdevice_spi_dev_bulk_write(tas_priv,
+			TASDEVICE_REG(book, page, reg), data + 3, len);
+		if (ret < 0)
+			return ret;
+		if (block->is_ychksum_present)
+			ret = tasdev_bytes_chksum(tas_priv, block,
+				book, page, reg, len, 0, crc_chksum);
+	} else {
+		ret = tasdevice_spi_dev_write(tas_priv,
+			TASDEVICE_REG(book, page, reg), data[3]);
+		if (ret < 0)
+			return ret;
+		if (block->is_ychksum_present)
+			ret = tasdev_bytes_chksum(tas_priv, block, book,
+				page, reg, 1, data[3], crc_chksum);
+	}
+
+	if (!block->is_ychksum_present || ret >= 0) {
+		*nr_cmds += 1;
+		if (len >= 2)
+			*nr_cmds += ((len - 2) / 4) + 1;
+	}
+
+	return ret;
+}
+
+/* Checksum for block. */
+static int tasdev_block_chksum(struct tasdevice_priv *tas_priv,
+	struct tasdev_blk *block)
+{
+	unsigned int nr_value;
+	int ret;
+
+	ret = tasdevice_spi_dev_read(tas_priv, TASDEVICE_CHECKSUM, &nr_value);
+	if (ret < 0) {
+		dev_err(tas_priv->dev, "%s: read error %d.\n", __func__, ret);
+		set_err_prg_cfg(block->type, tas_priv);
+		return ret;
+	}
+
+	if ((nr_value & 0xff) != block->pchksum) {
+		dev_err(tas_priv->dev, "%s: PChkSum err %d ", __func__, ret);
+		dev_err(tas_priv->dev, "PChkSum = 0x%x, Reg = 0x%x\n",
+			block->pchksum, (nr_value & 0xff));
+		tas_priv->err_code |= ERROR_PRAM_CRCCHK;
+		ret = -EAGAIN;
+		block->nr_retry--;
+
+		if (block->nr_retry <= 0)
+			set_err_prg_cfg(block->type, tas_priv);
+	} else {
+		tas_priv->err_code &= ~ERROR_PRAM_CRCCHK;
+	}
+
+	return ret;
+}
+
+/* Firmware block load function. */
+static int tasdev_load_blk(struct tasdevice_priv *tas_priv,
+	struct tasdev_blk *block)
+{
+	unsigned int sleep_time, len, nr_cmds;
+	unsigned char offset, book, page, val;
+	unsigned char *data = block->data;
+	unsigned char crc_chksum = 0;
+	int ret = 0;
+
+	while (block->nr_retry > 0) {
+		if (block->is_pchksum_present) {
+			ret = tasdevice_spi_dev_write(tas_priv,
+				TASDEVICE_CHECKSUM, 0);
+			if (ret < 0)
+				break;
+		}
+
+		if (block->is_ychksum_present)
+			crc_chksum = 0;
+
+		nr_cmds = 0;
+
+		while (nr_cmds < block->nr_cmds) {
+			data = block->data + nr_cmds * 4;
+
+			book = data[0];
+			page = data[1];
+			offset = data[2];
+			val = data[3];
+
+			nr_cmds++;
+			/* Single byte write */
+			if (offset <= 0x7F) {
+				ret = tasdevice_spi_dev_write(tas_priv,
+					TASDEVICE_REG(book, page, offset),
+					val);
+				if (ret < 0)
+					break;
+				if (block->is_ychksum_present) {
+					ret = tasdev_bytes_chksum(tas_priv,
+						block, book, page, offset,
+						1, val, &crc_chksum);
+					if (ret < 0)
+						break;
+				}
+				continue;
+			}
+			/* sleep command */
+			if (offset == 0x81) {
+				/* book -- data[0] page -- data[1] */
+				sleep_time = ((book << 8) + page)*1000;
+				fsleep(sleep_time);
+				continue;
+			}
+			/* Multiple bytes write */
+			if (offset == 0x85) {
+				data += 4;
+				len = (book << 8) + page;
+				book = data[0];
+				page = data[1];
+				offset = data[2];
+				ret = tasdev_multibytes_wr(tas_priv,
+					block, book, page, offset, data,
+					len, &nr_cmds, &crc_chksum);
+				if (ret < 0)
+					break;
+			}
+		}
+		if (ret == -EAGAIN) {
+			if (block->nr_retry > 0)
+				continue;
+		} else if (ret < 0) {
+			/* err in current device, skip it */
+			break;
+		}
+
+		if (block->is_pchksum_present) {
+			ret = tasdev_block_chksum(tas_priv, block);
+			if (ret == -EAGAIN) {
+				if (block->nr_retry > 0)
+					continue;
+			} else if (ret < 0) {
+				/* err in current device, skip it */
+				break;
+			}
+		}
+
+		if (block->is_ychksum_present) {
+			/* TBD, open it when FW ready */
+			dev_err(tas_priv->dev,
+				"Blk YChkSum: FW = 0x%x, YCRC = 0x%x\n",
+				block->ychksum, crc_chksum);
+
+			tas_priv->err_code &=
+				~ERROR_YRAM_CRCCHK;
+			ret = 0;
+		}
+		/* skip current blk */
+		break;
+	}
+
+	return ret;
+}
+
+/* Firmware block load function. */
+static int tasdevice_load_block(struct tasdevice_priv *tas_priv,
+	struct tasdev_blk *block)
+{
+	int ret = 0;
+
+	block->nr_retry = 6;
+	if (tas_priv->is_loading == false)
+		return 0;
+	ret = tasdev_load_blk(tas_priv, block);
+	if (ret < 0)
+		dev_err(tas_priv->dev, "Blk (%d) load error\n", block->type);
+
+	return ret;
+}
+
+/*
+ * Select firmware binary parser & load callback functions by ppc3 version
+ * and firmware binary version.
+ */
+static int dspfw_default_callback(struct tasdevice_priv *tas_priv,
+	unsigned int drv_ver, unsigned int ppcver)
+{
+	int rc = 0;
+
+	if (drv_ver == 0x100) {
+		if (ppcver >= PPC3_VERSION) {
+			tas_priv->fw_parse_variable_header =
+				fw_parse_variable_header_kernel;
+			tas_priv->fw_parse_program_data =
+				fw_parse_program_data_kernel;
+			tas_priv->fw_parse_configuration_data =
+				fw_parse_configuration_data_kernel;
+			tas_priv->tasdevice_load_block =
+				tasdevice_load_block_kernel;
+		} else if (ppcver == 0x00) {
+			tas_priv->fw_parse_variable_header =
+				fw_parse_variable_header_git;
+			tas_priv->fw_parse_program_data =
+				fw_parse_program_data;
+			tas_priv->fw_parse_configuration_data =
+				fw_parse_configuration_data;
+			tas_priv->tasdevice_load_block =
+				tasdevice_load_block;
+		} else {
+			dev_err(tas_priv->dev,
+				"Wrong PPCVer :0x%08x\n", ppcver);
+			rc = -EINVAL;
+		}
+	} else {
+		dev_err(tas_priv->dev, "Wrong DrvVer : 0x%02x\n", drv_ver);
+		rc = -EINVAL;
+	}
+
+	return rc;
+}
+
+/* DSP firmware binary file header parser function. */
+static int fw_parse_header(struct tasdevice_priv *tas_priv,
+	struct tasdevice_fw *tas_fmw, const struct firmware *fmw, int offset)
+{
+	struct tasdevice_dspfw_hdr *fw_hdr = &tas_fmw->fw_hdr;
+	struct tasdevice_fw_fixed_hdr *fw_fixed_hdr = &fw_hdr->fixed_hdr;
+	static const unsigned char magic_number[] = {0x35, 0x35, 0x35, 0x32, };
+	const unsigned char *buf = (unsigned char *)fmw->data;
+
+	if (offset + 92 > fmw->size) {
+		dev_err(tas_priv->dev, "%s: File Size error\n", __func__);
+		offset = -EINVAL;
+		goto out;
+	}
+	if (memcmp(&buf[offset], magic_number, 4)) {
+		dev_err(tas_priv->dev, "%s: Magic num NOT match\n", __func__);
+		offset = -EINVAL;
+		goto out;
+	}
+	offset += 4;
+
+	/*
+	 * Convert data[offset], data[offset + 1], data[offset + 2] and
+	 * data[offset + 3] into host
+	 */
+	fw_fixed_hdr->fwsize = get_unaligned_be32(&buf[offset]);
+	offset += 4;
+	if (fw_fixed_hdr->fwsize != fmw->size) {
+		dev_err(tas_priv->dev, "File size not match, %lu %u",
+			(unsigned long)fmw->size, fw_fixed_hdr->fwsize);
+		offset = -EINVAL;
+		goto out;
+	}
+	offset += 4;
+	fw_fixed_hdr->ppcver = get_unaligned_be32(&buf[offset]);
+	offset += 8;
+	fw_fixed_hdr->drv_ver = get_unaligned_be32(&buf[offset]);
+	offset += 72;
+
+out:
+	return offset;
+}
+
+/* DSP firmware binary file parser function. */
+static int tasdevice_dspfw_ready(const struct firmware *fmw, void *context)
+{
+	struct tasdevice_priv *tas_priv = context;
+	struct tasdevice_fw_fixed_hdr *fw_fixed_hdr;
+	struct tasdevice_fw *tas_fmw;
+	int offset = 0, ret = 0;
+
+	if (!fmw || !fmw->data) {
+		dev_err(tas_priv->dev, "%s: Failed to read firmware %s\n",
+			__func__, tas_priv->coef_binaryname);
+		return -EINVAL;
+	}
+
+	tas_priv->fmw = kzalloc(sizeof(*tas_priv->fmw), GFP_KERNEL);
+	if (!tas_priv->fmw)
+		return -ENOMEM;
+	tas_fmw = tas_priv->fmw;
+	tas_fmw->dev = tas_priv->dev;
+	offset = fw_parse_header(tas_priv, tas_fmw, fmw, offset);
+
+	if (offset == -EINVAL)
+		return -EINVAL;
+
+	fw_fixed_hdr = &tas_fmw->fw_hdr.fixed_hdr;
+	/* Support different versions of firmware */
+	switch (fw_fixed_hdr->drv_ver) {
+	case 0x301:
+	case 0x302:
+	case 0x502:
+	case 0x503:
+		tas_priv->fw_parse_variable_header =
+			fw_parse_variable_header_kernel;
+		tas_priv->fw_parse_program_data =
+			fw_parse_program_data_kernel;
+		tas_priv->fw_parse_configuration_data =
+			fw_parse_configuration_data_kernel;
+		tas_priv->tasdevice_load_block =
+			tasdevice_load_block_kernel;
+		break;
+	case 0x202:
+	case 0x400:
+		tas_priv->fw_parse_variable_header =
+			fw_parse_variable_header_git;
+		tas_priv->fw_parse_program_data =
+			fw_parse_program_data;
+		tas_priv->fw_parse_configuration_data =
+			fw_parse_configuration_data;
+		tas_priv->tasdevice_load_block =
+			tasdevice_load_block;
+		break;
+	default:
+		ret = dspfw_default_callback(tas_priv,
+			fw_fixed_hdr->drv_ver, fw_fixed_hdr->ppcver);
+		if (ret)
+			return ret;
+		break;
+	}
+
+	offset = tas_priv->fw_parse_variable_header(tas_priv, fmw, offset);
+	if (offset < 0)
+		return offset;
+
+	offset = tas_priv->fw_parse_program_data(tas_priv, tas_fmw, fmw,
+		offset);
+	if (offset < 0)
+		return offset;
+
+	offset = tas_priv->fw_parse_configuration_data(tas_priv,
+		tas_fmw, fmw, offset);
+	if (offset < 0)
+		ret = offset;
+
+	return ret;
+}
+
+/* DSP firmware binary file parser function. */
+int tasdevice_spi_dsp_parser(void *context)
+{
+	struct tasdevice_priv *tas_priv = context;
+	const struct firmware *fw_entry;
+	int ret;
+
+	ret = request_firmware(&fw_entry, tas_priv->coef_binaryname,
+		tas_priv->dev);
+	if (ret) {
+		dev_err(tas_priv->dev, "%s: load %s error\n", __func__,
+			tas_priv->coef_binaryname);
+		return ret;
+	}
+
+	ret = tasdevice_dspfw_ready(fw_entry, tas_priv);
+	release_firmware(fw_entry);
+	fw_entry = NULL;
+
+	return ret;
+}
+
+/* DSP firmware program block data remove function. */
+static void tasdev_dsp_prog_blk_remove(struct tasdevice_prog *prog)
+{
+	struct tasdevice_data *tas_dt;
+	struct tasdev_blk *blk;
+	unsigned int i;
+
+	if (!prog)
+		return;
+
+	tas_dt = &prog->dev_data;
+
+	if (!tas_dt->dev_blks)
+		return;
+
+	for (i = 0; i < tas_dt->nr_blk; i++) {
+		blk = &tas_dt->dev_blks[i];
+		kfree(blk->data);
+	}
+	kfree(tas_dt->dev_blks);
+}
+
+/* DSP firmware program block data remove function. */
+static void tasdev_dsp_prog_remove(struct tasdevice_prog *prog,
+	unsigned short nr)
+{
+	int i;
+
+	for (i = 0; i < nr; i++)
+		tasdev_dsp_prog_blk_remove(&prog[i]);
+	kfree(prog);
+}
+
+/* DSP firmware config block data remove function. */
+static void tasdev_dsp_cfg_blk_remove(struct tasdevice_config *cfg)
+{
+	struct tasdevice_data *tas_dt;
+	struct tasdev_blk *blk;
+	unsigned int i;
+
+	if (cfg) {
+		tas_dt = &cfg->dev_data;
+
+		if (!tas_dt->dev_blks)
+			return;
+
+		for (i = 0; i < tas_dt->nr_blk; i++) {
+			blk = &tas_dt->dev_blks[i];
+			kfree(blk->data);
+		}
+		kfree(tas_dt->dev_blks);
+	}
+}
+
+/* DSP firmware config remove function. */
+static void tasdev_dsp_cfg_remove(struct tasdevice_config *config,
+	unsigned short nr)
+{
+	int i;
+
+	for (i = 0; i < nr; i++)
+		tasdev_dsp_cfg_blk_remove(&config[i]);
+	kfree(config);
+}
+
+/* DSP firmware remove function. */
+void tasdevice_spi_dsp_remove(void *context)
+{
+	struct tasdevice_priv *tas_dev = context;
+
+	if (!tas_dev->fmw)
+		return;
+
+	if (tas_dev->fmw->programs)
+		tasdev_dsp_prog_remove(tas_dev->fmw->programs,
+			tas_dev->fmw->nr_programs);
+	if (tas_dev->fmw->configs)
+		tasdev_dsp_cfg_remove(tas_dev->fmw->configs,
+			tas_dev->fmw->nr_configurations);
+	kfree(tas_dev->fmw);
+	tas_dev->fmw = NULL;
+}
+
+/* DSP firmware calibration data remove function. */
+static void tas2781_clear_calfirmware(struct tasdevice_fw *tas_fmw)
+{
+	struct tasdevice_calibration *calibration;
+	struct tasdev_blk *block;
+	unsigned int blks;
+	int i;
+
+	if (!tas_fmw->calibrations)
+		goto out;
+
+	for (i = 0; i < tas_fmw->nr_calibrations; i++) {
+		calibration = &tas_fmw->calibrations[i];
+		if (!calibration)
+			continue;
+
+		if (!calibration->dev_data.dev_blks)
+			continue;
+
+		for (blks = 0; blks < calibration->dev_data.nr_blk; blks++) {
+			block = &calibration->dev_data.dev_blks[blks];
+			if (!block)
+				continue;
+			kfree(block->data);
+		}
+		kfree(calibration->dev_data.dev_blks);
+	}
+	kfree(tas_fmw->calibrations);
+out:
+	kfree(tas_fmw);
+}
+
+/* Calibration data from firmware remove function. */
+void tasdevice_spi_calbin_remove(void *context)
+{
+	struct tasdevice_priv *tas_priv = context;
+
+	if (tas_priv->cali_data_fmw) {
+		tas2781_clear_calfirmware(tas_priv->cali_data_fmw);
+		tas_priv->cali_data_fmw = NULL;
+	}
+}
+
+/* Configuration remove function. */
+void tasdevice_spi_config_info_remove(void *context)
+{
+	struct tasdevice_priv *tas_priv = context;
+	struct tasdevice_rca *rca = &tas_priv->rcabin;
+	struct tasdevice_config_info **ci = rca->cfg_info;
+	unsigned int i, j;
+
+	if (!ci)
+		return;
+	for (i = 0; i < rca->ncfgs; i++) {
+		if (!ci[i])
+			continue;
+		if (ci[i]->blk_data) {
+			for (j = 0; j < ci[i]->real_nblocks; j++) {
+				if (!ci[i]->blk_data[j])
+					continue;
+				kfree(ci[i]->blk_data[j]->regdata);
+				kfree(ci[i]->blk_data[j]);
+			}
+			kfree(ci[i]->blk_data);
+		}
+		kfree(ci[i]);
+	}
+	kfree(ci);
+}
+
+/* DSP firmware program block data load function. */
+static int tasdevice_load_data(struct tasdevice_priv *tas_priv,
+	struct tasdevice_data *dev_data)
+{
+	struct tasdev_blk *block;
+	unsigned int i;
+	int ret = 0;
+
+	for (i = 0; i < dev_data->nr_blk; i++) {
+		block = &dev_data->dev_blks[i];
+		ret = tas_priv->tasdevice_load_block(tas_priv, block);
+		if (ret < 0)
+			break;
+	}
+
+	return ret;
+}
+
+/* DSP firmware program load interface function. */
+int tasdevice_spi_prmg_load(void *context, int prm_no)
+{
+	struct tasdevice_priv *tas_priv = context;
+	struct tasdevice_fw *tas_fmw = tas_priv->fmw;
+	struct tasdevice_prog *program;
+	struct tasdevice_config *conf;
+	int ret = 0;
+
+	if (!tas_fmw) {
+		dev_err(tas_priv->dev, "%s: Firmware is NULL\n", __func__);
+		return -EINVAL;
+	}
+	if (prm_no >= 0 && prm_no <= tas_fmw->nr_programs) {
+		tas_priv->cur_conf = 0;
+		tas_priv->is_loading = true;
+		program = &tas_fmw->programs[prm_no];
+		ret = tasdevice_load_data(tas_priv, &program->dev_data);
+		if (ret < 0) {
+			dev_err(tas_priv->dev, "Program failed %d.\n", ret);
+			return ret;
+		}
+		tas_priv->cur_prog = prm_no;
+
+		conf = &tas_fmw->configs[tas_priv->cur_conf];
+		ret = tasdevice_load_data(tas_priv, &conf->dev_data);
+		if (ret < 0)
+			dev_err(tas_priv->dev, "Config failed %d.\n", ret);
+	} else {
+		dev_err(tas_priv->dev,
+			"%s: prm(%d) is not in range of Programs %u\n",
+			__func__, prm_no, tas_fmw->nr_programs);
+		return -EINVAL;
+	}
+
+	return ret;
+}
+
+/* RCABIN configuration switch interface function. */
+void tasdevice_spi_tuning_switch(void *context, int state)
+{
+	struct tasdevice_priv *tas_priv = context;
+	int profile_cfg_id = tas_priv->rcabin.profile_cfg_id;
+
+	if (tas_priv->fw_state == TASDEVICE_DSP_FW_FAIL) {
+		dev_err(tas_priv->dev, "DSP bin file not loaded\n");
+		return;
+	}
+
+	if (state == 0)
+		tasdevice_spi_select_cfg_blk(tas_priv, profile_cfg_id,
+			TASDEVICE_BIN_BLK_PRE_POWER_UP);
+	else
+		tasdevice_spi_select_cfg_blk(tas_priv, profile_cfg_id,
+			TASDEVICE_BIN_BLK_PRE_SHUTDOWN);
+}
