Unverified Commit 4cc9bd8d authored by Niranjan H Y's avatar Niranjan H Y Committed by Mark Brown
Browse files

ASoc: tas2783A: Add soundwire based codec driver 



TAS2783 is mono digital input class-D Smart Amplifier
based on MIPI Alliance Soundwire interface. The driver
supports loading the algorithm coefficients for one
or more tas2783 chips.

Signed-off-by: default avatarNiranjan H Y <niranjan.hy@ti.com>
Reviewed-by: default avatarBard Liao <yung-chuan.liao@linux.intel.com>
Link: https://patch.msgid.link/20250912083624.804-2-niranjan.hy@ti.com


Signed-off-by: default avatarMark Brown <broonie@kernel.org>
parent a0ce874c

sound/soc/codecs/Kconfig

+14 −0
Original line number Diff line number Diff line
@@ -268,6 +268,7 @@ config SND_SOC_ALL_CODECS 
	imply SND_SOC_TAS2770

	imply SND_SOC_TAS2780

	imply SND_SOC_TAS2781_I2C

	imply SND_SOC_TAS2783_SDW

	imply SND_SOC_TAS5086

	imply SND_SOC_TAS571X

	imply SND_SOC_TAS5720
@@ -2097,6 +2098,19 @@ config SND_SOC_TAS2781_I2C 
	  algo coefficient setting, for one, two or even multiple TAS2781

	  chips.



config SND_SOC_TAS2783_SDW

	tristate "Texas Instruments TAS2783 speaker amplifier (sdw)"

	depends on SOUNDWIRE

	depends on EFI

	select REGMAP_SOUNDWIRE

	select REGMAP_SOUNDWIRE_MBQ

	select CRC32

	help

	  Enable support for Texas Instruments TAS2783A Digital input

	  mono Class-D and DSP-inside audio power amplifiers. TAS2783

	  driver implements a flexible and configurable algorithm

	  cofficient setting, for one, two or multiple TAS2783 chips.



config SND_SOC_TAS5086

	tristate "Texas Instruments TAS5086 speaker amplifier"

	depends on I2C

sound/soc/codecs/Makefile

+2 −0
Original line number Diff line number Diff line
@@ -319,6 +319,7 @@ snd-soc-tas2781-comlib-y := tas2781-comlib.o 
snd-soc-tas2781-comlib-i2c-y := tas2781-comlib-i2c.o

snd-soc-tas2781-fmwlib-y := tas2781-fmwlib.o

snd-soc-tas2781-i2c-y := tas2781-i2c.o

snd-soc-tas2783-sdw-y := tas2783-sdw.o

snd-soc-tfa9879-y := tfa9879.o

snd-soc-tfa989x-y := tfa989x.o

snd-soc-tlv320adc3xxx-y := tlv320adc3xxx.o
@@ -743,6 +744,7 @@ obj-$(CONFIG_SND_SOC_TAS2781_COMLIB) += snd-soc-tas2781-comlib.o 
obj-$(CONFIG_SND_SOC_TAS2781_COMLIB_I2C)	+= snd-soc-tas2781-comlib-i2c.o

obj-$(CONFIG_SND_SOC_TAS2781_FMWLIB)	+= snd-soc-tas2781-fmwlib.o

obj-$(CONFIG_SND_SOC_TAS2781_I2C)	+= snd-soc-tas2781-i2c.o

obj-$(CONFIG_SND_SOC_TAS2783_SDW)	+= snd-soc-tas2783-sdw.o

obj-$(CONFIG_SND_SOC_TAS5086)	+= snd-soc-tas5086.o

obj-$(CONFIG_SND_SOC_TAS571X)	+= snd-soc-tas571x.o

obj-$(CONFIG_SND_SOC_TAS5720)	+= snd-soc-tas5720.o

sound/soc/codecs/tas2783-sdw.c

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+1331 −0

File added.

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sound/soc/codecs/tas2783.h

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/* SPDX-License-Identifier: GPL-2.0

 *

 * ALSA SoC Texas Instruments TAS2783 Audio Smart Amplifier

 *

 * Copyright (C) 2025 Texas Instruments Incorporated

 * https://www.ti.com

 *

 * The TAS2783 driver implements a flexible and configurable

 * algo coefficient setting for single TAS2783 chips.

 *

 * Author: Niranjan H Y <niranjanhy@ti.com>

 * Author: Baojun Xu <baojun.xu@ti.com>

 */

#include <linux/workqueue.h>



#ifndef __TAS2783_H__

#define __TAS2783_H__



#define TAS2783_DEVICE_RATES	(SNDRV_PCM_RATE_44100 | \

				SNDRV_PCM_RATE_48000 | \

				SNDRV_PCM_RATE_96000 | \

				SNDRV_PCM_RATE_88200)

#define TAS2783_DEVICE_FORMATS	(SNDRV_PCM_FMTBIT_S16_LE | \

				SNDRV_PCM_FMTBIT_S24_LE | \

				SNDRV_PCM_FMTBIT_S32_LE)



/* book, page, register */

#define TASDEV_REG_SDW(book, page, reg)	(((book) * 256 * 128) + \

		0x800000 + ((page) * 128) + (reg))



/* Volume control */

#define TAS2783_DVC_LVL		TASDEV_REG_SDW(0x0, 0x00, 0x1A)

#define TAS2783_AMP_LEVEL	TASDEV_REG_SDW(0x0, 0x00, 0x03)

#define TAS2783_AMP_LEVEL_MASK	GENMASK(5, 1)



#define PRAM_ADDR_START		TASDEV_REG_SDW(0x8c, 0x01, 0x8)

#define PRAM_ADDR_END		TASDEV_REG_SDW(0x8c, 0xff, 0x7f)

#define YRAM_ADDR_START		TASDEV_REG_SDW(0x00, 0x02, 0x8)

#define YRAM_ADDR_END		TASDEV_REG_SDW(0x00, 0x37, 0x7f)



/* Calibration data */

#define TAS2783_CAL_R0		TASDEV_REG_SDW(0, 0x16, 0x4C)

#define TAS2783_CAL_INVR0	TASDEV_REG_SDW(0, 0x16, 0x5C)

#define TAS2783_CAL_R0LOW	TASDEV_REG_SDW(0, 0x16, 0x64)

#define TAS2783_CAL_POWER	TASDEV_REG_SDW(0, 0x15, 0x44)

#define TAS2783_CAL_TLIM	TASDEV_REG_SDW(0, 0x17, 0x58)



/* TAS2783 SDCA Control - function number */

#define FUNC_NUM_SMART_AMP	0x01



/* TAS2783 SDCA entity */



#define TAS2783_SDCA_ENT_FU21		0x01

#define TAS2783_SDCA_ENT_FU23		0x02

#define TAS2783_SDCA_ENT_FU26		0x03

#define TAS2783_SDCA_ENT_XU22		0x04

#define TAS2783_SDCA_ENT_CS24		0x05

#define TAS2783_SDCA_ENT_CS21		0x06

#define TAS2783_SDCA_ENT_CS25		0x07

#define TAS2783_SDCA_ENT_CS26		0x08

#define TAS2783_SDCA_ENT_CS28		0x09

#define TAS2783_SDCA_ENT_PDE23		0x0C

#define TAS2783_SDCA_ENT_UDMPU23	0x0E

#define TAS2783_SDCA_ENT_SAPU29		0x0F

#define TAS2783_SDCA_ENT_PPU21		0x10

#define TAS2783_SDCA_ENT_PPU26		0x11

#define TAS2783_SDCA_ENT_TG23		0x12

#define TAS2783_SDCA_ENT_IT21		0x13

#define TAS2783_SDCA_ENT_IT29		0x14

#define TAS2783_SDCA_ENT_IT26		0x15

#define TAS2783_SDCA_ENT_IT28		0x16

#define TAS2783_SDCA_ENT_OT24		0x17

#define TAS2783_SDCA_ENT_OT23		0x18

#define TAS2783_SDCA_ENT_OT25		0x19

#define TAS2783_SDCA_ENT_OT28		0x1A

#define TAS2783_SDCA_ENT_MU26		0x1b

#define TAS2783_SDCA_ENT_OT127		0x1E

#define TAS2783_SDCA_ENT_FU127		0x1F

#define TAS2783_SDCA_ENT_CS127		0x20

#define TAS2783_SDCA_ENT_MFPU21		0x22

#define TAS2783_SDCA_ENT_MFPU26		0x23



/* TAS2783 SDCA control */

#define TAS2783_SDCA_CTL_REQ_POW_STATE	0x01

#define TAS2783_SDCA_CTL_FU_MUTE	0x01

#define TAS2783_SDCA_CTL_UDMPU_CLUSTER	0x10



#define TAS2783_DEVICE_CHANNEL_LEFT	1

#define TAS2783_DEVICE_CHANNEL_RIGHT	2



#define TAS2783_SDCA_POW_STATE_ON 0

#define TAS2783_SDCA_POW_STATE_OFF 3



/* calibration data */

#define TAS2783_CALIB_PARAMS	6 /* 5 + 1 unique id */

#define TAS2783_CALIB_MAX_SPK_COUNT	8

#define TAS2783_CALIB_HDR_SZ	12

#define TAS2783_CALIB_CRC_SZ	4

#define TAS2783_CALIB_DATA_SZ	((TAS2783_CALIB_HDR_SZ) + TAS2783_CALIB_CRC_SZ + \

				((TAS2783_CALIB_PARAMS) * 4 * (TAS2783_CALIB_MAX_SPK_COUNT)))



#if IS_ENABLED(CONFIG_SND_SOC_TAS2783_UTIL)

int32_t tas25xx_register_misc(struct sdw_slave *peripheral);

int32_t tas25xx_deregister_misc(void);

#else

static void tas25xx_register_misc(struct sdw_slave *peripheral) {}

static void tas25xx_deregister_misc(void) {}

#endif



#endif /*__TAS2783_H__ */