Unverified Commit 2884c291 authored by Paul Handrigan's avatar Paul Handrigan Committed by Mark Brown
Browse files

ASoC: cs530x: Support for cs530x ADCs 



Add support for the cs530x family of high performance
ADCs.

Signed-off-by: default avatarPaul Handrigan <paulha@opensource.cirrus.com>
Link: https://patch.msgid.link/20240621151757.1661265-3-paulha@opensource.cirrus.com


Signed-off-by: default avatarMark Brown <broonie@kernel.org>
parent 0e2407ae

sound/soc/codecs/Kconfig

+14 −0
Original line number Diff line number Diff line
@@ -99,6 +99,7 @@ config SND_SOC_ALL_CODECS 
	imply SND_SOC_CS47L90

	imply SND_SOC_CS47L92

	imply SND_SOC_CS53L30

	imply SND_SOC_CS530X_I2C

	imply SND_SOC_CX20442

	imply SND_SOC_CX2072X

	imply SND_SOC_DA7210
@@ -1000,6 +1001,19 @@ config SND_SOC_CS53L30 
	tristate "Cirrus Logic CS53L30 CODEC"

	depends on I2C



config SND_SOC_CS530X

	tristate



config SND_SOC_CS530X_I2C

	tristate "Cirrus Logic CS530x ADCs (I2C)"

	depends on I2C

	select REGMAP

	select REGMAP_I2C

	select SND_SOC_CS530X

	help

	  Enable support for Cirrus Logic CS530X ADCs

	  with I2C control.



config SND_SOC_CX20442

	tristate

	depends on TTY

sound/soc/codecs/Makefile

+4 −0
Original line number Diff line number Diff line
@@ -107,6 +107,8 @@ snd-soc-cs47l85-y := cs47l85.o 
snd-soc-cs47l90-y := cs47l90.o

snd-soc-cs47l92-y := cs47l92.o

snd-soc-cs53l30-y := cs53l30.o

snd-soc-cs530x-y := cs530x.o

snd-soc-cs530x-i2c-y := cs530x-i2c.o

snd-soc-cx20442-y := cx20442.o

snd-soc-cx2072x-y := cx2072x.o

snd-soc-da7210-y := da7210.o
@@ -509,6 +511,8 @@ obj-$(CONFIG_SND_SOC_CS47L85) += snd-soc-cs47l85.o 
obj-$(CONFIG_SND_SOC_CS47L90)	+= snd-soc-cs47l90.o

obj-$(CONFIG_SND_SOC_CS47L92)	+= snd-soc-cs47l92.o

obj-$(CONFIG_SND_SOC_CS53L30)	+= snd-soc-cs53l30.o

obj-$(CONFIG_SND_SOC_CS530X)	+= snd-soc-cs530x.o

obj-$(CONFIG_SND_SOC_CS530X_I2C)	+= snd-soc-cs530x-i2c.o

obj-$(CONFIG_SND_SOC_CX20442)	+= snd-soc-cx20442.o

obj-$(CONFIG_SND_SOC_CX2072X)	+= snd-soc-cx2072x.o

obj-$(CONFIG_SND_SOC_DA7210)	+= snd-soc-da7210.o

sound/soc/codecs/cs530x-i2c.c

0 → 100644
+72 −0
Original line number Diff line number Diff line 
// SPDX-License-Identifier: GPL-2.0

//

// CS530x CODEC driver

//

// Copyright (C) 2024 Cirrus Logic, Inc. and

//                    Cirrus Logic International Semiconductor Ltd.



#include <linux/device.h>

#include <linux/module.h>

#include <linux/i2c.h>

#include <linux/regmap.h>



#include "cs530x.h"



static const struct of_device_id cs530x_of_match[] = {

	{

		.compatible = "cirrus,cs5302",

		.data = (void *)CS5302,

	}, {

		.compatible = "cirrus,cs5304",

		.data = (void *)CS5304,

	}, {

		.compatible = "cirrus,cs5308",

		.data = (void *)CS5308,

	},

	{}

};

MODULE_DEVICE_TABLE(of, cs530x_of_match);



static const struct i2c_device_id cs530x_i2c_id[] = {

	{ "cs5302", CS5302 },

	{ "cs5304", CS5304 },

	{ "cs5308", CS5308 },

	{ }

};

MODULE_DEVICE_TABLE(i2c, cs530x_i2c_id);



static int cs530x_i2c_probe(struct i2c_client *client)

{

	struct cs530x_priv *cs530x;



	cs530x = devm_kzalloc(&client->dev, sizeof(*cs530x), GFP_KERNEL);

	if (!cs530x)

		return -ENOMEM;



	i2c_set_clientdata(client, cs530x);



	cs530x->regmap = devm_regmap_init_i2c(client, &cs530x_regmap);

	if (IS_ERR(cs530x->regmap))

		return dev_err_probe(&client->dev, PTR_ERR(cs530x->regmap),

			      "Failed to allocate register map\n");



	cs530x->devtype = (uintptr_t)i2c_get_match_data(client);

	cs530x->dev = &client->dev;



	return cs530x_probe(cs530x);

}



static struct i2c_driver cs530x_i2c_driver = {

	.driver = {

		.name = "cs530x",

		.of_match_table = cs530x_of_match,

	},

	.probe = cs530x_i2c_probe,

	.id_table = cs530x_i2c_id,

};

module_i2c_driver(cs530x_i2c_driver);



MODULE_DESCRIPTION("I2C CS530X driver");

MODULE_IMPORT_NS(SND_SOC_CS530X);

MODULE_AUTHOR("Paul Handrigan, Cirrus Logic Inc, <paulha@opensource.cirrus.com>");

MODULE_LICENSE("GPL");

sound/soc/codecs/cs530x.c

0 → 100644
+966 −0

File added.

Preview size limit exceeded, changes collapsed.

sound/soc/codecs/cs530x.h

0 → 100644
+223 −0
Original line number Diff line number Diff line 
/* SPDX-License-Identifier: GPL-2.0 */

/*

 * CS530x CODEC driver internal data

 *

 * Copyright (C) 2023-2024 Cirrus Logic, Inc. and

 *                         Cirrus Logic International Semiconductor Ltd.

 */



#ifndef _CS530X_H

#define _CS530X_H



#include <linux/device.h>

#include <linux/gpio/consumer.h>

#include <linux/regmap.h>

#include <linux/regulator/consumer.h>



/* Devices */

#define CS530X_2CH_ADC_DEV_ID		 0x5302

#define CS530X_4CH_ADC_DEV_ID		 0x5304

#define CS530X_8CH_ADC_DEV_ID		 0x5308



/* Registers */



#define CS530X_DEVID			0x0000000

#define CS530X_REVID			0x0000004

#define CS530X_SW_RESET			0x0000022



#define CS530X_CLK_CFG_0		0x0000040

#define CS530X_CLK_CFG_1		0x0000042

#define CS530X_CHIP_ENABLE		0x0000044

#define CS530X_ASP_CFG			0x0000048

#define CS530X_SIGNAL_PATH_CFG		0x0000050

#define CS530X_IN_ENABLES		0x0000080

#define CS530X_IN_RAMP_SUM		0x0000082

#define CS530X_IN_FILTER		0x0000086

#define CS530X_IN_HIZ			0x0000088

#define CS530X_IN_INV			0x000008A

#define CS530X_IN_VOL_CTRL1_0	        0x0000090

#define CS530X_IN_VOL_CTRL1_1	        0x0000092

#define CS530X_IN_VOL_CTRL2_0	        0x0000094

#define CS530X_IN_VOL_CTRL2_1	        0x0000096

#define CS530X_IN_VOL_CTRL3_0	        0x0000098

#define CS530X_IN_VOL_CTRL3_1	        0x000009A

#define CS530X_IN_VOL_CTRL4_0	        0x000009C

#define CS530X_IN_VOL_CTRL4_1	        0x000009E

#define CS530X_IN_VOL_CTRL5		0x00000A0



#define CS530X_PAD_FN			0x0003D24

#define CS530X_PAD_LVL			0x0003D28



#define CS530X_MAX_REGISTER		CS530X_PAD_LVL



/* Register Fields */



/* REVID */

#define CS530X_MTLREVID			GENMASK(3, 0)

#define CS530X_AREVID			GENMASK(7, 4)



/* SW_RESET */

#define CS530X_SW_RST_SHIFT		8

#define CS530X_SW_RST_VAL		(0x5A << CS530X_SW_RST_SHIFT)



/* CLK_CFG_0 */

#define CS530X_PLL_REFCLK_SRC_MASK	BIT(0)

#define CS530X_PLL_REFCLK_FREQ_MASK	GENMASK(5, 4)

#define CS530X_SYSCLK_SRC_MASK		BIT(12)

#define CS530X_SYSCLK_SRC_SHIFT		12

#define CS530X_REFCLK_2P822_3P072	0

#define CS530X_REFCLK_5P6448_6P144	0x10

#define CS530X_REFCLK_11P2896_12P288	0x20

#define CS530X_REFCLK_24P5792_24P576	0x30



/* CLK_CFG_1 */

#define CS530X_SAMPLE_RATE_MASK		GENMASK(2, 0)

#define CS530X_FS_32K			0

#define CS530X_FS_48K_44P1K		1

#define CS530X_FS_96K_88P2K		2

#define CS530X_FS_192K_176P4K		3

#define CS530X_FS_384K_356P8K		4

#define CS530X_FS_768K_705P6K		5



/* CHIP_ENABLE */

#define CS530X_GLOBAL_EN		BIT(0)



/* ASP_CFG */

#define CS530X_ASP_BCLK_FREQ_MASK	GENMASK(1, 0)

#define CS530X_ASP_PRIMARY		BIT(5)

#define CS530X_ASP_BCLK_INV		BIT(6)

#define CS530X_BCLK_2P822_3P072		0

#define CS530X_BCLK_5P6448_6P144	1

#define CS530X_BCLK_11P2896_12P288	2

#define CS530X_BCLK_24P5792_24P576	3



/* SIGNAL_PATH_CFG */

#define CS530X_ASP_FMT_MASK		GENMASK(2, 0)

#define CS530X_ASP_TDM_SLOT_MASK	GENMASK(5, 3)

#define CS530X_ASP_TDM_SLOT_SHIFT	3

#define CS530X_ASP_CH_REVERSE		BIT(9)

#define CS530X_ASP_FMT_I2S		0

#define CS530X_ASP_FMT_LJ		1

#define CS530X_ASP_FMT_DSP_A		0x6



/* TDM Slots */

#define CS530X_0_1_TDM_SLOT_MASK	GENMASK(1, 0)

#define CS530X_0_3_TDM_SLOT_MASK	GENMASK(3, 0)

#define CS530X_0_7_TDM_SLOT_MASK	GENMASK(7, 0)

#define CS530X_0_7_TDM_SLOT_VAL		0



#define CS530X_2_3_TDM_SLOT_MASK	GENMASK(3, 2)

#define CS530X_2_3_TDM_SLOT_VAL		1



#define CS530X_4_5_TDM_SLOT_MASK	GENMASK(5, 4)

#define CS530X_4_7_TDM_SLOT_MASK	GENMASK(7, 4)

#define CS530X_4_7_TDM_SLOT_VAL		2



#define CS530X_6_7_TDM_SLOT_MASK	GENMASK(7, 6)

#define CS530X_6_7_TDM_SLOT_VAL		3



#define CS530X_8_9_TDM_SLOT_MASK	GENMASK(9, 8)

#define CS530X_8_11_TDM_SLOT_MASK	GENMASK(11, 8)

#define CS530X_8_15_TDM_SLOT_MASK	GENMASK(15, 8)

#define CS530X_8_15_TDM_SLOT_VAL	4



#define CS530X_10_11_TDM_SLOT_MASK	GENMASK(11, 10)

#define CS530X_10_11_TDM_SLOT_VAL	5



#define CS530X_12_13_TDM_SLOT_MASK	GENMASK(13, 12)

#define CS530X_12_15_TDM_SLOT_MASK	GENMASK(15, 12)

#define CS530X_12_15_TDM_SLOT_VAL	6



#define CS530X_14_15_TDM_SLOT_MASK	GENMASK(15, 14)

#define CS530X_14_15_TDM_SLOT_VAL	7



/* IN_RAMP_SUM */

#define CS530X_RAMP_RATE_INC_SHIFT	0

#define CS530X_RAMP_RATE_DEC_SHIFT	4

#define CS530X_IN_SUM_MODE_SHIFT	13



/* IN_FILTER */

#define CS530X_IN_FILTER_SHIFT		8

#define CS530X_IN_HPF_EN_SHIFT		12



/* IN_HIZ */

#define CS530X_IN12_HIZ			BIT(0)

#define CS530X_IN34_HIZ			BIT(1)

#define CS530X_IN56_HIZ			BIT(2)

#define CS530X_IN78_HIZ			BIT(3)



/* IN_INV */

#define CS530X_IN1_INV_SHIFT		0

#define CS530X_IN2_INV_SHIFT		1

#define CS530X_IN3_INV_SHIFT		2

#define CS530X_IN4_INV_SHIFT		3

#define CS530X_IN5_INV_SHIFT		4

#define CS530X_IN6_INV_SHIFT		5

#define CS530X_IN7_INV_SHIFT		6

#define CS530X_IN8_INV_SHIFT		7



/* IN_VOL_CTLy_z */

#define CS530X_IN_MUTE			BIT(15)



/* IN_VOL_CTL5 */

#define CS530X_IN_VU			BIT(0)



/* PAD_FN */

#define CS530X_DOUT2_FN			BIT(0)

#define CS530X_DOUT3_FN			BIT(1)

#define CS530X_DOUT4_FN			BIT(2)

#define CS530X_SPI_CS_FN		BIT(3)

#define CS530X_CONFIG2_FN		BIT(6)

#define CS530X_CONFIG3_FN		BIT(7)

#define CS530X_CONFIG4_FN		BIT(8)

#define CS530X_CONFIG5_FN		BIT(9)



/* PAD_LVL */

#define CS530X_CONFIG2_LVL		BIT(6)

#define CS530X_CONFIG3_LVL		BIT(7)

#define CS530X_CONFIG4_LVL		BIT(8)

#define CS530X_CONFIG5_LVL		BIT(9)



/* System Clock Source */

#define CS530X_SYSCLK_SRC_MCLK		0

#define CS530X_SYSCLK_SRC_PLL		1



/* PLL Reference Clock Source */

#define CS530X_PLL_SRC_BCLK		0

#define CS530X_PLL_SRC_MCLK		1



#define CS530X_NUM_SUPPLIES		2



enum cs530x_type {

	CS5302,

	CS5304,

	CS5308,

};



/* codec private data */

struct cs530x_priv {

	struct regmap *regmap;

	struct device *dev;

	struct snd_soc_dai_driver *dev_dai;



	enum cs530x_type devtype;

	int num_adcs;

	int num_dacs;



	struct regulator_bulk_data supplies[CS530X_NUM_SUPPLIES];



	unsigned int mclk_rate;



	int tdm_width;

	int tdm_slots;

	int bclk;

	int fs;

	int adc_pairs_count;



	struct gpio_desc *reset_gpio;

};



extern const struct regmap_config cs530x_regmap;

int cs530x_probe(struct cs530x_priv *cs530x);



#endif