sound/soc/meson/axg-toddr.c - linux - Git at Google

 // SPDX-License-Identifier: (GPL-2.0 OR MIT)
 //
 // Copyright (c) 2018 BayLibre, SAS.
 // Author: Jerome Brunet <jbrunet@baylibre.com>

 /* This driver implements the frontend capture DAI of AXG based SoCs */

 #include <linux/clk.h>
 #include <linux/regmap.h>
 #include <linux/module.h>
 #include <linux/of_platform.h>
 #include <sound/pcm_params.h>
 #include <sound/soc.h>
 #include <sound/soc-dai.h>

 #include "axg-fifo.h"

 #define CTRL0_TODDR_SEL_RESAMPLE	BIT(30)
 #define CTRL0_TODDR_EXT_SIGNED		BIT(29)
 #define CTRL0_TODDR_PP_MODE		BIT(28)
 #define CTRL0_TODDR_SYNC_CH		BIT(27)
 #define CTRL0_TODDR_TYPE_MASK		GENMASK(15, 13)
 #define CTRL0_TODDR_TYPE(x)		((x) << 13)
 #define CTRL0_TODDR_MSB_POS_MASK	GENMASK(12, 8)
 #define CTRL0_TODDR_MSB_POS(x)		((x) << 8)
 #define CTRL0_TODDR_LSB_POS_MASK	GENMASK(7, 3)
 #define CTRL0_TODDR_LSB_POS(x)		((x) << 3)
 #define CTRL1_TODDR_FORCE_FINISH	BIT(25)
 #define CTRL1_SEL_SHIFT			28

 #define TODDR_MSB_POS	31

 static int axg_toddr_pcm_new(struct snd_soc_pcm_runtime *rtd,
 			     struct snd_soc_dai *dai)
 {
 	return axg_fifo_pcm_new(rtd, SNDRV_PCM_STREAM_CAPTURE);
 }

 static int g12a_toddr_dai_prepare(struct snd_pcm_substream *substream,
 				  struct snd_soc_dai *dai)
 {
 	struct axg_fifo *fifo = snd_soc_dai_get_drvdata(dai);

 	/* Reset the write pointer to the FIFO_INIT_ADDR */
 	regmap_update_bits(fifo->map, FIFO_CTRL1,
 			   CTRL1_TODDR_FORCE_FINISH, 0);
 	regmap_update_bits(fifo->map, FIFO_CTRL1,
 			   CTRL1_TODDR_FORCE_FINISH, CTRL1_TODDR_FORCE_FINISH);
 	regmap_update_bits(fifo->map, FIFO_CTRL1,
 			   CTRL1_TODDR_FORCE_FINISH, 0);

 	return 0;
 }

 static int axg_toddr_dai_hw_params(struct snd_pcm_substream *substream,
 				   struct snd_pcm_hw_params *params,
 				   struct snd_soc_dai *dai)
 {
 	struct axg_fifo *fifo = snd_soc_dai_get_drvdata(dai);
 	unsigned int type, width;

 	switch (params_physical_width(params)) {
 	case 8:
 		type = 0; /* 8 samples of 8 bits */
 		break;
 	case 16:
 		type = 2; /* 4 samples of 16 bits - right justified */
 		break;
 	case 32:
 		type = 4; /* 2 samples of 32 bits - right justified */
 		break;
 	default:
 		return -EINVAL;
 	}

 	width = params_width(params);

 	regmap_update_bits(fifo->map, FIFO_CTRL0,
 			   CTRL0_TODDR_TYPE_MASK |
 			   CTRL0_TODDR_MSB_POS_MASK |
 			   CTRL0_TODDR_LSB_POS_MASK,
 			   CTRL0_TODDR_TYPE(type) |
 			   CTRL0_TODDR_MSB_POS(TODDR_MSB_POS) |
 			   CTRL0_TODDR_LSB_POS(TODDR_MSB_POS - (width - 1)));

 	return 0;
 }

 static int axg_toddr_dai_startup(struct snd_pcm_substream *substream,
 				 struct snd_soc_dai *dai)
 {
 	struct axg_fifo *fifo = snd_soc_dai_get_drvdata(dai);
 	int ret;

 	/* Enable pclk to access registers and clock the fifo ip */
 	ret = clk_prepare_enable(fifo->pclk);
 	if (ret)
 		return ret;

 	/* Select orginal data - resampling not supported ATM */
 	regmap_update_bits(fifo->map, FIFO_CTRL0, CTRL0_TODDR_SEL_RESAMPLE, 0);

 	/* Only signed format are supported ATM */
 	regmap_update_bits(fifo->map, FIFO_CTRL0, CTRL0_TODDR_EXT_SIGNED,
 			   CTRL0_TODDR_EXT_SIGNED);

 	/* Apply single buffer mode to the interface */
 	regmap_update_bits(fifo->map, FIFO_CTRL0, CTRL0_TODDR_PP_MODE, 0);

 	return 0;
 }

 static void axg_toddr_dai_shutdown(struct snd_pcm_substream *substream,
 				   struct snd_soc_dai *dai)
 {
 	struct axg_fifo *fifo = snd_soc_dai_get_drvdata(dai);

 	clk_disable_unprepare(fifo->pclk);
 }

 static const struct snd_soc_dai_ops axg_toddr_ops = {
 	.hw_params	= axg_toddr_dai_hw_params,
 	.startup	= axg_toddr_dai_startup,
 	.shutdown	= axg_toddr_dai_shutdown,
 };

 static struct snd_soc_dai_driver axg_toddr_dai_drv = {
 	.name = "TODDR",
 	.capture = {
 		.stream_name	= "Capture",
 		.channels_min	= 1,
 		.channels_max	= AXG_FIFO_CH_MAX,
 		.rates		= AXG_FIFO_RATES,
 		.formats	= AXG_FIFO_FORMATS,
 	},
 	.ops		= &axg_toddr_ops,
 	.pcm_new	= axg_toddr_pcm_new,
 };

 static const char * const axg_toddr_sel_texts[] = {
 	"IN 0", "IN 1", "IN 2", "IN 3", "IN 4", "IN 5", "IN 6", "IN 7"
 };

 static SOC_ENUM_SINGLE_DECL(axg_toddr_sel_enum, FIFO_CTRL0, CTRL0_SEL_SHIFT,
 			    axg_toddr_sel_texts);

 static const struct snd_kcontrol_new axg_toddr_in_mux =
 	SOC_DAPM_ENUM("Input Source", axg_toddr_sel_enum);

 static const struct snd_soc_dapm_widget axg_toddr_dapm_widgets[] = {
 	SND_SOC_DAPM_MUX("SRC SEL", SND_SOC_NOPM, 0, 0, &axg_toddr_in_mux),
 	SND_SOC_DAPM_AIF_IN("IN 0", NULL, 0, SND_SOC_NOPM, 0, 0),
 	SND_SOC_DAPM_AIF_IN("IN 1", NULL, 0, SND_SOC_NOPM, 0, 0),
 	SND_SOC_DAPM_AIF_IN("IN 2", NULL, 0, SND_SOC_NOPM, 0, 0),
 	SND_SOC_DAPM_AIF_IN("IN 3", NULL, 0, SND_SOC_NOPM, 0, 0),
 	SND_SOC_DAPM_AIF_IN("IN 4", NULL, 0, SND_SOC_NOPM, 0, 0),
 	SND_SOC_DAPM_AIF_IN("IN 5", NULL, 0, SND_SOC_NOPM, 0, 0),
 	SND_SOC_DAPM_AIF_IN("IN 6", NULL, 0, SND_SOC_NOPM, 0, 0),
 	SND_SOC_DAPM_AIF_IN("IN 7", NULL, 0, SND_SOC_NOPM, 0, 0),
 };

 static const struct snd_soc_dapm_route axg_toddr_dapm_routes[] = {
 	{ "Capture", NULL, "SRC SEL" },
 	{ "SRC SEL", "IN 0", "IN 0" },
 	{ "SRC SEL", "IN 1", "IN 1" },
 	{ "SRC SEL", "IN 2", "IN 2" },
 	{ "SRC SEL", "IN 3", "IN 3" },
 	{ "SRC SEL", "IN 4", "IN 4" },
 	{ "SRC SEL", "IN 5", "IN 5" },
 	{ "SRC SEL", "IN 6", "IN 6" },
 	{ "SRC SEL", "IN 7", "IN 7" },
 };

 static const struct snd_soc_component_driver axg_toddr_component_drv = {
 	.dapm_widgets		= axg_toddr_dapm_widgets,
 	.num_dapm_widgets	= ARRAY_SIZE(axg_toddr_dapm_widgets),
 	.dapm_routes		= axg_toddr_dapm_routes,
 	.num_dapm_routes	= ARRAY_SIZE(axg_toddr_dapm_routes),
 	.open			= axg_fifo_pcm_open,
 	.close			= axg_fifo_pcm_close,
 	.hw_params		= axg_fifo_pcm_hw_params,
 	.hw_free		= axg_fifo_pcm_hw_free,
 	.pointer		= axg_fifo_pcm_pointer,
 	.trigger		= axg_fifo_pcm_trigger,
 };

 static const struct axg_fifo_match_data axg_toddr_match_data = {
 	.field_threshold	= REG_FIELD(FIFO_CTRL1, 16, 23),
 	.component_drv		= &axg_toddr_component_drv,
 	.dai_drv		= &axg_toddr_dai_drv
 };

 static int g12a_toddr_dai_startup(struct snd_pcm_substream *substream,
 				 struct snd_soc_dai *dai)
 {
 	struct axg_fifo *fifo = snd_soc_dai_get_drvdata(dai);
 	int ret;

 	ret = axg_toddr_dai_startup(substream, dai);
 	if (ret)
 		return ret;

 	/*
 	 * Make sure the first channel ends up in the at beginning of the output
 	 * As weird as it looks, without this the first channel may be misplaced
 	 * in memory, with a random shift of 2 channels.
 	 */
 	regmap_update_bits(fifo->map, FIFO_CTRL0, CTRL0_TODDR_SYNC_CH,
 			   CTRL0_TODDR_SYNC_CH);

 	return 0;
 }

 static const struct snd_soc_dai_ops g12a_toddr_ops = {
 	.prepare	= g12a_toddr_dai_prepare,
 	.hw_params	= axg_toddr_dai_hw_params,
 	.startup	= g12a_toddr_dai_startup,
 	.shutdown	= axg_toddr_dai_shutdown,
 };

 static struct snd_soc_dai_driver g12a_toddr_dai_drv = {
 	.name = "TODDR",
 	.capture = {
 		.stream_name	= "Capture",
 		.channels_min	= 1,
 		.channels_max	= AXG_FIFO_CH_MAX,
 		.rates		= AXG_FIFO_RATES,
 		.formats	= AXG_FIFO_FORMATS,
 	},
 	.ops		= &g12a_toddr_ops,
 	.pcm_new	= axg_toddr_pcm_new,
 };

 static const struct snd_soc_component_driver g12a_toddr_component_drv = {
 	.dapm_widgets		= axg_toddr_dapm_widgets,
 	.num_dapm_widgets	= ARRAY_SIZE(axg_toddr_dapm_widgets),
 	.dapm_routes		= axg_toddr_dapm_routes,
 	.num_dapm_routes	= ARRAY_SIZE(axg_toddr_dapm_routes),
 	.open			= axg_fifo_pcm_open,
 	.close			= axg_fifo_pcm_close,
 	.hw_params		= g12a_fifo_pcm_hw_params,
 	.hw_free		= axg_fifo_pcm_hw_free,
 	.pointer		= axg_fifo_pcm_pointer,
 	.trigger		= axg_fifo_pcm_trigger,
 };

 static const struct axg_fifo_match_data g12a_toddr_match_data = {
 	.field_threshold	= REG_FIELD(FIFO_CTRL1, 16, 23),
 	.component_drv		= &g12a_toddr_component_drv,
 	.dai_drv		= &g12a_toddr_dai_drv
 };

 static const char * const sm1_toddr_sel_texts[] = {
 	"IN 0", "IN 1", "IN 2",  "IN 3",  "IN 4",  "IN 5",  "IN 6",  "IN 7",
 	"IN 8", "IN 9", "IN 10", "IN 11", "IN 12", "IN 13", "IN 14", "IN 15"
 };

 static SOC_ENUM_SINGLE_DECL(sm1_toddr_sel_enum, FIFO_CTRL1, CTRL1_SEL_SHIFT,
 			    sm1_toddr_sel_texts);

 static const struct snd_kcontrol_new sm1_toddr_in_mux =
 	SOC_DAPM_ENUM("Input Source", sm1_toddr_sel_enum);

 static const struct snd_soc_dapm_widget sm1_toddr_dapm_widgets[] = {
 	SND_SOC_DAPM_MUX("SRC SEL", SND_SOC_NOPM, 0, 0, &sm1_toddr_in_mux),
 	SND_SOC_DAPM_AIF_IN("IN 0",  NULL, 0, SND_SOC_NOPM, 0, 0),
 	SND_SOC_DAPM_AIF_IN("IN 1",  NULL, 0, SND_SOC_NOPM, 0, 0),
 	SND_SOC_DAPM_AIF_IN("IN 2",  NULL, 0, SND_SOC_NOPM, 0, 0),
 	SND_SOC_DAPM_AIF_IN("IN 3",  NULL, 0, SND_SOC_NOPM, 0, 0),
 	SND_SOC_DAPM_AIF_IN("IN 4",  NULL, 0, SND_SOC_NOPM, 0, 0),
 	SND_SOC_DAPM_AIF_IN("IN 5",  NULL, 0, SND_SOC_NOPM, 0, 0),
 	SND_SOC_DAPM_AIF_IN("IN 6",  NULL, 0, SND_SOC_NOPM, 0, 0),
 	SND_SOC_DAPM_AIF_IN("IN 7",  NULL, 0, SND_SOC_NOPM, 0, 0),
 	SND_SOC_DAPM_AIF_IN("IN 8",  NULL, 0, SND_SOC_NOPM, 0, 0),
 	SND_SOC_DAPM_AIF_IN("IN 9",  NULL, 0, SND_SOC_NOPM, 0, 0),
 	SND_SOC_DAPM_AIF_IN("IN 10", NULL, 0, SND_SOC_NOPM, 0, 0),
 	SND_SOC_DAPM_AIF_IN("IN 11", NULL, 0, SND_SOC_NOPM, 0, 0),
 	SND_SOC_DAPM_AIF_IN("IN 12", NULL, 0, SND_SOC_NOPM, 0, 0),
 	SND_SOC_DAPM_AIF_IN("IN 13", NULL, 0, SND_SOC_NOPM, 0, 0),
 	SND_SOC_DAPM_AIF_IN("IN 14", NULL, 0, SND_SOC_NOPM, 0, 0),
 	SND_SOC_DAPM_AIF_IN("IN 15", NULL, 0, SND_SOC_NOPM, 0, 0),
 };

 static const struct snd_soc_dapm_route sm1_toddr_dapm_routes[] = {
 	{ "Capture", NULL, "SRC SEL" },
 	{ "SRC SEL", "IN 0",  "IN 0" },
 	{ "SRC SEL", "IN 1",  "IN 1" },
 	{ "SRC SEL", "IN 2",  "IN 2" },
 	{ "SRC SEL", "IN 3",  "IN 3" },
 	{ "SRC SEL", "IN 4",  "IN 4" },
 	{ "SRC SEL", "IN 5",  "IN 5" },
 	{ "SRC SEL", "IN 6",  "IN 6" },
 	{ "SRC SEL", "IN 7",  "IN 7" },
 	{ "SRC SEL", "IN 8",  "IN 8" },
 	{ "SRC SEL", "IN 9",  "IN 9" },
 	{ "SRC SEL", "IN 10", "IN 10" },
 	{ "SRC SEL", "IN 11", "IN 11" },
 	{ "SRC SEL", "IN 12", "IN 12" },
 	{ "SRC SEL", "IN 13", "IN 13" },
 	{ "SRC SEL", "IN 14", "IN 14" },
 	{ "SRC SEL", "IN 15", "IN 15" },
 };

 static const struct snd_soc_component_driver sm1_toddr_component_drv = {
 	.dapm_widgets		= sm1_toddr_dapm_widgets,
 	.num_dapm_widgets	= ARRAY_SIZE(sm1_toddr_dapm_widgets),
 	.dapm_routes		= sm1_toddr_dapm_routes,
 	.num_dapm_routes	= ARRAY_SIZE(sm1_toddr_dapm_routes),
 	.open			= axg_fifo_pcm_open,
 	.close			= axg_fifo_pcm_close,
 	.hw_params		= g12a_fifo_pcm_hw_params,
 	.hw_free		= axg_fifo_pcm_hw_free,
 	.pointer		= axg_fifo_pcm_pointer,
 	.trigger		= axg_fifo_pcm_trigger,
 };

 static const struct axg_fifo_match_data sm1_toddr_match_data = {
 	.field_threshold	= REG_FIELD(FIFO_CTRL1, 12, 23),
 	.component_drv		= &sm1_toddr_component_drv,
 	.dai_drv		= &g12a_toddr_dai_drv
 };

 static const struct of_device_id axg_toddr_of_match[] = {
 	{
 		.compatible = "amlogic,axg-toddr",
 		.data = &axg_toddr_match_data,
 	}, {
 		.compatible = "amlogic,g12a-toddr",
 		.data = &g12a_toddr_match_data,
 	}, {
 		.compatible = "amlogic,sm1-toddr",
 		.data = &sm1_toddr_match_data,
 	}, {}
 };
 MODULE_DEVICE_TABLE(of, axg_toddr_of_match);

 static struct platform_driver axg_toddr_pdrv = {
 	.probe = axg_fifo_probe,
 	.driver = {
 		.name = "axg-toddr",
 		.of_match_table = axg_toddr_of_match,
 	},
 };
 module_platform_driver(axg_toddr_pdrv);

 MODULE_DESCRIPTION("Amlogic AXG capture fifo driver");
 MODULE_AUTHOR("Jerome Brunet <jbrunet@baylibre.com>");
 MODULE_LICENSE("GPL v2");
	// SPDX-License-Identifier: (GPL-2.0 OR MIT)
	//
	// Copyright (c) 2018 BayLibre, SAS.
	// Author: Jerome Brunet <jbrunet@baylibre.com>

	/* This driver implements the frontend capture DAI of AXG based SoCs */

	#include <linux/clk.h>
	#include <linux/regmap.h>
	#include <linux/module.h>
	#include <linux/of_platform.h>
	#include <sound/pcm_params.h>
	#include <sound/soc.h>
	#include <sound/soc-dai.h>

	#include "axg-fifo.h"

	#define CTRL0_TODDR_SEL_RESAMPLE BIT(30)
	#define CTRL0_TODDR_EXT_SIGNED BIT(29)
	#define CTRL0_TODDR_PP_MODE BIT(28)
	#define CTRL0_TODDR_SYNC_CH BIT(27)
	#define CTRL0_TODDR_TYPE_MASK GENMASK(15, 13)
	#define CTRL0_TODDR_TYPE(x) ((x) << 13)
	#define CTRL0_TODDR_MSB_POS_MASK GENMASK(12, 8)
	#define CTRL0_TODDR_MSB_POS(x) ((x) << 8)
	#define CTRL0_TODDR_LSB_POS_MASK GENMASK(7, 3)
	#define CTRL0_TODDR_LSB_POS(x) ((x) << 3)
	#define CTRL1_TODDR_FORCE_FINISH BIT(25)
	#define CTRL1_SEL_SHIFT 28

	#define TODDR_MSB_POS 31

	static int axg_toddr_pcm_new(struct snd_soc_pcm_runtime *rtd,
	struct snd_soc_dai *dai)
	{
	return axg_fifo_pcm_new(rtd, SNDRV_PCM_STREAM_CAPTURE);
	}

	static int g12a_toddr_dai_prepare(struct snd_pcm_substream *substream,
	struct snd_soc_dai *dai)
	{
	struct axg_fifo *fifo = snd_soc_dai_get_drvdata(dai);

	/* Reset the write pointer to the FIFO_INIT_ADDR */
	regmap_update_bits(fifo->map, FIFO_CTRL1,
	CTRL1_TODDR_FORCE_FINISH, 0);
	regmap_update_bits(fifo->map, FIFO_CTRL1,
	CTRL1_TODDR_FORCE_FINISH, CTRL1_TODDR_FORCE_FINISH);
	regmap_update_bits(fifo->map, FIFO_CTRL1,
	CTRL1_TODDR_FORCE_FINISH, 0);

	return 0;
	}

	static int axg_toddr_dai_hw_params(struct snd_pcm_substream *substream,
	struct snd_pcm_hw_params *params,
	struct snd_soc_dai *dai)
	{
	struct axg_fifo *fifo = snd_soc_dai_get_drvdata(dai);
	unsigned int type, width;

	switch (params_physical_width(params)) {
	case 8:
	type = 0; /* 8 samples of 8 bits */
	break;
	case 16:
	type = 2; /* 4 samples of 16 bits - right justified */
	break;
	case 32:
	type = 4; /* 2 samples of 32 bits - right justified */
	break;
	default:
	return -EINVAL;
	}

	width = params_width(params);

	regmap_update_bits(fifo->map, FIFO_CTRL0,
	CTRL0_TODDR_TYPE_MASK \|
	CTRL0_TODDR_MSB_POS_MASK \|
	CTRL0_TODDR_LSB_POS_MASK,
	CTRL0_TODDR_TYPE(type) \|
	CTRL0_TODDR_MSB_POS(TODDR_MSB_POS) \|
	CTRL0_TODDR_LSB_POS(TODDR_MSB_POS - (width - 1)));

	return 0;
	}

	static int axg_toddr_dai_startup(struct snd_pcm_substream *substream,
	struct snd_soc_dai *dai)
	{
	struct axg_fifo *fifo = snd_soc_dai_get_drvdata(dai);
	int ret;

	/* Enable pclk to access registers and clock the fifo ip */
	ret = clk_prepare_enable(fifo->pclk);
	if (ret)
	return ret;

	/* Select orginal data - resampling not supported ATM */
	regmap_update_bits(fifo->map, FIFO_CTRL0, CTRL0_TODDR_SEL_RESAMPLE, 0);

	/* Only signed format are supported ATM */
	regmap_update_bits(fifo->map, FIFO_CTRL0, CTRL0_TODDR_EXT_SIGNED,
	CTRL0_TODDR_EXT_SIGNED);

	/* Apply single buffer mode to the interface */
	regmap_update_bits(fifo->map, FIFO_CTRL0, CTRL0_TODDR_PP_MODE, 0);

	return 0;
	}

	static void axg_toddr_dai_shutdown(struct snd_pcm_substream *substream,
	struct snd_soc_dai *dai)
	{
	struct axg_fifo *fifo = snd_soc_dai_get_drvdata(dai);

	clk_disable_unprepare(fifo->pclk);
	}

	static const struct snd_soc_dai_ops axg_toddr_ops = {
	.hw_params = axg_toddr_dai_hw_params,
	.startup = axg_toddr_dai_startup,
	.shutdown = axg_toddr_dai_shutdown,
	};

	static struct snd_soc_dai_driver axg_toddr_dai_drv = {
	.name = "TODDR",
	.capture = {
	.stream_name = "Capture",
	.channels_min = 1,
	.channels_max = AXG_FIFO_CH_MAX,
	.rates = AXG_FIFO_RATES,
	.formats = AXG_FIFO_FORMATS,
	},
	.ops = &axg_toddr_ops,
	.pcm_new = axg_toddr_pcm_new,
	};

	static const char * const axg_toddr_sel_texts[] = {
	"IN 0", "IN 1", "IN 2", "IN 3", "IN 4", "IN 5", "IN 6", "IN 7"
	};

	static SOC_ENUM_SINGLE_DECL(axg_toddr_sel_enum, FIFO_CTRL0, CTRL0_SEL_SHIFT,
	axg_toddr_sel_texts);

	static const struct snd_kcontrol_new axg_toddr_in_mux =
	SOC_DAPM_ENUM("Input Source", axg_toddr_sel_enum);

	static const struct snd_soc_dapm_widget axg_toddr_dapm_widgets[] = {
	SND_SOC_DAPM_MUX("SRC SEL", SND_SOC_NOPM, 0, 0, &axg_toddr_in_mux),
	SND_SOC_DAPM_AIF_IN("IN 0", NULL, 0, SND_SOC_NOPM, 0, 0),
	SND_SOC_DAPM_AIF_IN("IN 1", NULL, 0, SND_SOC_NOPM, 0, 0),
	SND_SOC_DAPM_AIF_IN("IN 2", NULL, 0, SND_SOC_NOPM, 0, 0),
	SND_SOC_DAPM_AIF_IN("IN 3", NULL, 0, SND_SOC_NOPM, 0, 0),
	SND_SOC_DAPM_AIF_IN("IN 4", NULL, 0, SND_SOC_NOPM, 0, 0),
	SND_SOC_DAPM_AIF_IN("IN 5", NULL, 0, SND_SOC_NOPM, 0, 0),
	SND_SOC_DAPM_AIF_IN("IN 6", NULL, 0, SND_SOC_NOPM, 0, 0),
	SND_SOC_DAPM_AIF_IN("IN 7", NULL, 0, SND_SOC_NOPM, 0, 0),
	};

	static const struct snd_soc_dapm_route axg_toddr_dapm_routes[] = {
	{ "Capture", NULL, "SRC SEL" },
	{ "SRC SEL", "IN 0", "IN 0" },
	{ "SRC SEL", "IN 1", "IN 1" },
	{ "SRC SEL", "IN 2", "IN 2" },
	{ "SRC SEL", "IN 3", "IN 3" },
	{ "SRC SEL", "IN 4", "IN 4" },
	{ "SRC SEL", "IN 5", "IN 5" },
	{ "SRC SEL", "IN 6", "IN 6" },
	{ "SRC SEL", "IN 7", "IN 7" },
	};

	static const struct snd_soc_component_driver axg_toddr_component_drv = {
	.dapm_widgets = axg_toddr_dapm_widgets,
	.num_dapm_widgets = ARRAY_SIZE(axg_toddr_dapm_widgets),
	.dapm_routes = axg_toddr_dapm_routes,
	.num_dapm_routes = ARRAY_SIZE(axg_toddr_dapm_routes),
	.open = axg_fifo_pcm_open,
	.close = axg_fifo_pcm_close,
	.hw_params = axg_fifo_pcm_hw_params,
	.hw_free = axg_fifo_pcm_hw_free,
	.pointer = axg_fifo_pcm_pointer,
	.trigger = axg_fifo_pcm_trigger,
	};

	static const struct axg_fifo_match_data axg_toddr_match_data = {
	.field_threshold = REG_FIELD(FIFO_CTRL1, 16, 23),
	.component_drv = &axg_toddr_component_drv,
	.dai_drv = &axg_toddr_dai_drv
	};

	static int g12a_toddr_dai_startup(struct snd_pcm_substream *substream,
	struct snd_soc_dai *dai)
	{
	struct axg_fifo *fifo = snd_soc_dai_get_drvdata(dai);
	int ret;

	ret = axg_toddr_dai_startup(substream, dai);
	if (ret)
	return ret;

	/*
	* Make sure the first channel ends up in the at beginning of the output
	* As weird as it looks, without this the first channel may be misplaced
	* in memory, with a random shift of 2 channels.
	*/
	regmap_update_bits(fifo->map, FIFO_CTRL0, CTRL0_TODDR_SYNC_CH,
	CTRL0_TODDR_SYNC_CH);

	return 0;
	}

	static const struct snd_soc_dai_ops g12a_toddr_ops = {
	.prepare = g12a_toddr_dai_prepare,
	.hw_params = axg_toddr_dai_hw_params,
	.startup = g12a_toddr_dai_startup,
	.shutdown = axg_toddr_dai_shutdown,
	};

	static struct snd_soc_dai_driver g12a_toddr_dai_drv = {
	.name = "TODDR",
	.capture = {
	.stream_name = "Capture",
	.channels_min = 1,
	.channels_max = AXG_FIFO_CH_MAX,
	.rates = AXG_FIFO_RATES,
	.formats = AXG_FIFO_FORMATS,
	},
	.ops = &g12a_toddr_ops,
	.pcm_new = axg_toddr_pcm_new,
	};

	static const struct snd_soc_component_driver g12a_toddr_component_drv = {
	.dapm_widgets = axg_toddr_dapm_widgets,
	.num_dapm_widgets = ARRAY_SIZE(axg_toddr_dapm_widgets),
	.dapm_routes = axg_toddr_dapm_routes,
	.num_dapm_routes = ARRAY_SIZE(axg_toddr_dapm_routes),
	.open = axg_fifo_pcm_open,
	.close = axg_fifo_pcm_close,
	.hw_params = g12a_fifo_pcm_hw_params,
	.hw_free = axg_fifo_pcm_hw_free,
	.pointer = axg_fifo_pcm_pointer,
	.trigger = axg_fifo_pcm_trigger,
	};

	static const struct axg_fifo_match_data g12a_toddr_match_data = {
	.field_threshold = REG_FIELD(FIFO_CTRL1, 16, 23),
	.component_drv = &g12a_toddr_component_drv,
	.dai_drv = &g12a_toddr_dai_drv
	};

	static const char * const sm1_toddr_sel_texts[] = {
	"IN 0", "IN 1", "IN 2", "IN 3", "IN 4", "IN 5", "IN 6", "IN 7",
	"IN 8", "IN 9", "IN 10", "IN 11", "IN 12", "IN 13", "IN 14", "IN 15"
	};

	static SOC_ENUM_SINGLE_DECL(sm1_toddr_sel_enum, FIFO_CTRL1, CTRL1_SEL_SHIFT,
	sm1_toddr_sel_texts);

	static const struct snd_kcontrol_new sm1_toddr_in_mux =
	SOC_DAPM_ENUM("Input Source", sm1_toddr_sel_enum);

	static const struct snd_soc_dapm_widget sm1_toddr_dapm_widgets[] = {
	SND_SOC_DAPM_MUX("SRC SEL", SND_SOC_NOPM, 0, 0, &sm1_toddr_in_mux),
	SND_SOC_DAPM_AIF_IN("IN 0", NULL, 0, SND_SOC_NOPM, 0, 0),
	SND_SOC_DAPM_AIF_IN("IN 1", NULL, 0, SND_SOC_NOPM, 0, 0),
	SND_SOC_DAPM_AIF_IN("IN 2", NULL, 0, SND_SOC_NOPM, 0, 0),
	SND_SOC_DAPM_AIF_IN("IN 3", NULL, 0, SND_SOC_NOPM, 0, 0),
	SND_SOC_DAPM_AIF_IN("IN 4", NULL, 0, SND_SOC_NOPM, 0, 0),
	SND_SOC_DAPM_AIF_IN("IN 5", NULL, 0, SND_SOC_NOPM, 0, 0),
	SND_SOC_DAPM_AIF_IN("IN 6", NULL, 0, SND_SOC_NOPM, 0, 0),
	SND_SOC_DAPM_AIF_IN("IN 7", NULL, 0, SND_SOC_NOPM, 0, 0),
	SND_SOC_DAPM_AIF_IN("IN 8", NULL, 0, SND_SOC_NOPM, 0, 0),
	SND_SOC_DAPM_AIF_IN("IN 9", NULL, 0, SND_SOC_NOPM, 0, 0),
	SND_SOC_DAPM_AIF_IN("IN 10", NULL, 0, SND_SOC_NOPM, 0, 0),
	SND_SOC_DAPM_AIF_IN("IN 11", NULL, 0, SND_SOC_NOPM, 0, 0),
	SND_SOC_DAPM_AIF_IN("IN 12", NULL, 0, SND_SOC_NOPM, 0, 0),
	SND_SOC_DAPM_AIF_IN("IN 13", NULL, 0, SND_SOC_NOPM, 0, 0),
	SND_SOC_DAPM_AIF_IN("IN 14", NULL, 0, SND_SOC_NOPM, 0, 0),
	SND_SOC_DAPM_AIF_IN("IN 15", NULL, 0, SND_SOC_NOPM, 0, 0),
	};

	static const struct snd_soc_dapm_route sm1_toddr_dapm_routes[] = {
	{ "Capture", NULL, "SRC SEL" },
	{ "SRC SEL", "IN 0", "IN 0" },
	{ "SRC SEL", "IN 1", "IN 1" },
	{ "SRC SEL", "IN 2", "IN 2" },
	{ "SRC SEL", "IN 3", "IN 3" },
	{ "SRC SEL", "IN 4", "IN 4" },
	{ "SRC SEL", "IN 5", "IN 5" },
	{ "SRC SEL", "IN 6", "IN 6" },
	{ "SRC SEL", "IN 7", "IN 7" },
	{ "SRC SEL", "IN 8", "IN 8" },
	{ "SRC SEL", "IN 9", "IN 9" },
	{ "SRC SEL", "IN 10", "IN 10" },
	{ "SRC SEL", "IN 11", "IN 11" },
	{ "SRC SEL", "IN 12", "IN 12" },
	{ "SRC SEL", "IN 13", "IN 13" },
	{ "SRC SEL", "IN 14", "IN 14" },
	{ "SRC SEL", "IN 15", "IN 15" },
	};

	static const struct snd_soc_component_driver sm1_toddr_component_drv = {
	.dapm_widgets = sm1_toddr_dapm_widgets,
	.num_dapm_widgets = ARRAY_SIZE(sm1_toddr_dapm_widgets),
	.dapm_routes = sm1_toddr_dapm_routes,
	.num_dapm_routes = ARRAY_SIZE(sm1_toddr_dapm_routes),
	.open = axg_fifo_pcm_open,
	.close = axg_fifo_pcm_close,
	.hw_params = g12a_fifo_pcm_hw_params,
	.hw_free = axg_fifo_pcm_hw_free,
	.pointer = axg_fifo_pcm_pointer,
	.trigger = axg_fifo_pcm_trigger,
	};

	static const struct axg_fifo_match_data sm1_toddr_match_data = {
	.field_threshold = REG_FIELD(FIFO_CTRL1, 12, 23),
	.component_drv = &sm1_toddr_component_drv,
	.dai_drv = &g12a_toddr_dai_drv
	};

	static const struct of_device_id axg_toddr_of_match[] = {
	{
	.compatible = "amlogic,axg-toddr",
	.data = &axg_toddr_match_data,
	}, {
	.compatible = "amlogic,g12a-toddr",
	.data = &g12a_toddr_match_data,
	}, {
	.compatible = "amlogic,sm1-toddr",
	.data = &sm1_toddr_match_data,
	}, {}
	};
	MODULE_DEVICE_TABLE(of, axg_toddr_of_match);

	static struct platform_driver axg_toddr_pdrv = {
	.probe = axg_fifo_probe,
	.driver = {
	.name = "axg-toddr",
	.of_match_table = axg_toddr_of_match,
	},
	};
	module_platform_driver(axg_toddr_pdrv);

	MODULE_DESCRIPTION("Amlogic AXG capture fifo driver");
	MODULE_AUTHOR("Jerome Brunet <jbrunet@baylibre.com>");
	MODULE_LICENSE("GPL v2");