[linux.git] / sound / soc / meson / g12a-tohdmitx.c

// SPDX-License-Identifier: GPL-2.0
//
// Copyright (c) 2019 BayLibre, SAS.
// Author: Jerome Brunet <[email protected]>

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

#include <dt-bindings/sound/meson-g12a-tohdmitx.h>
#include "meson-codec-glue.h"

#define G12A_TOHDMITX_DRV_NAME "g12a-tohdmitx"

#define TOHDMITX_CTRL0			0x0
#define  CTRL0_ENABLE_SHIFT		31
#define  CTRL0_I2S_DAT_SEL_SHIFT	12
#define  CTRL0_I2S_DAT_SEL		(0x3 << CTRL0_I2S_DAT_SEL_SHIFT)
#define  CTRL0_I2S_LRCLK_SEL		GENMASK(9, 8)
#define  CTRL0_I2S_BLK_CAP_INV		BIT(7)
#define  CTRL0_I2S_BCLK_O_INV		BIT(6)
#define  CTRL0_I2S_BCLK_SEL		GENMASK(5, 4)
#define  CTRL0_SPDIF_CLK_CAP_INV	BIT(3)
#define  CTRL0_SPDIF_CLK_O_INV		BIT(2)
#define  CTRL0_SPDIF_SEL_SHIFT		1
#define  CTRL0_SPDIF_SEL		(0x1 << CTRL0_SPDIF_SEL_SHIFT)
#define  CTRL0_SPDIF_CLK_SEL		BIT(0)

static const char * const g12a_tohdmitx_i2s_mux_texts[] = {
	"I2S A", "I2S B", "I2S C",
};

static int g12a_tohdmitx_i2s_mux_put_enum(struct snd_kcontrol *kcontrol,
				   struct snd_ctl_elem_value *ucontrol)
{
	struct snd_soc_component *component =
		snd_soc_dapm_kcontrol_component(kcontrol);
	struct snd_soc_dapm_context *dapm =
		snd_soc_dapm_kcontrol_dapm(kcontrol);
	struct soc_enum *e = (struct soc_enum *)kcontrol->private_value;
	unsigned int mux, changed;

	mux = snd_soc_enum_item_to_val(e, ucontrol->value.enumerated.item[0]);
	changed = snd_soc_component_test_bits(component, e->reg,
					      CTRL0_I2S_DAT_SEL,
					      FIELD_PREP(CTRL0_I2S_DAT_SEL,
							 mux));

	if (!changed)
		return 0;

	/* Force disconnect of the mux while updating */
	snd_soc_dapm_mux_update_power(dapm, kcontrol, 0, NULL, NULL);

	snd_soc_component_update_bits(component, e->reg,
				      CTRL0_I2S_DAT_SEL |
				      CTRL0_I2S_LRCLK_SEL |
				      CTRL0_I2S_BCLK_SEL,
				      FIELD_PREP(CTRL0_I2S_DAT_SEL, mux) |
				      FIELD_PREP(CTRL0_I2S_LRCLK_SEL, mux) |
				      FIELD_PREP(CTRL0_I2S_BCLK_SEL, mux));

	snd_soc_dapm_mux_update_power(dapm, kcontrol, mux, e, NULL);

	return 0;
}

static SOC_ENUM_SINGLE_DECL(g12a_tohdmitx_i2s_mux_enum, TOHDMITX_CTRL0,
			    CTRL0_I2S_DAT_SEL_SHIFT,
			    g12a_tohdmitx_i2s_mux_texts);

static const struct snd_kcontrol_new g12a_tohdmitx_i2s_mux =
	SOC_DAPM_ENUM_EXT("I2S Source", g12a_tohdmitx_i2s_mux_enum,
			  snd_soc_dapm_get_enum_double,
			  g12a_tohdmitx_i2s_mux_put_enum);

static const char * const g12a_tohdmitx_spdif_mux_texts[] = {
	"SPDIF A", "SPDIF B",
};

static int g12a_tohdmitx_spdif_mux_put_enum(struct snd_kcontrol *kcontrol,
					    struct snd_ctl_elem_value *ucontrol)
{
	struct snd_soc_component *component =
		snd_soc_dapm_kcontrol_component(kcontrol);
	struct snd_soc_dapm_context *dapm =
		snd_soc_dapm_kcontrol_dapm(kcontrol);
	struct soc_enum *e = (struct soc_enum *)kcontrol->private_value;
	unsigned int mux, changed;

	mux = snd_soc_enum_item_to_val(e, ucontrol->value.enumerated.item[0]);
	changed = snd_soc_component_test_bits(component, TOHDMITX_CTRL0,
					      CTRL0_SPDIF_SEL,
					      FIELD_PREP(CTRL0_SPDIF_SEL, mux));

	if (!changed)
		return 0;

	/* Force disconnect of the mux while updating */
	snd_soc_dapm_mux_update_power(dapm, kcontrol, 0, NULL, NULL);

	snd_soc_component_update_bits(component, TOHDMITX_CTRL0,
				      CTRL0_SPDIF_SEL |
				      CTRL0_SPDIF_CLK_SEL,
				      FIELD_PREP(CTRL0_SPDIF_SEL, mux) |
				      FIELD_PREP(CTRL0_SPDIF_CLK_SEL, mux));

	snd_soc_dapm_mux_update_power(dapm, kcontrol, mux, e, NULL);

	return 0;
}

static SOC_ENUM_SINGLE_DECL(g12a_tohdmitx_spdif_mux_enum, TOHDMITX_CTRL0,
			    CTRL0_SPDIF_SEL_SHIFT,
			    g12a_tohdmitx_spdif_mux_texts);

static const struct snd_kcontrol_new g12a_tohdmitx_spdif_mux =
	SOC_DAPM_ENUM_EXT("SPDIF Source", g12a_tohdmitx_spdif_mux_enum,
			  snd_soc_dapm_get_enum_double,
			  g12a_tohdmitx_spdif_mux_put_enum);

static const struct snd_kcontrol_new g12a_tohdmitx_out_enable =
	SOC_DAPM_SINGLE_AUTODISABLE("Switch", TOHDMITX_CTRL0,
				    CTRL0_ENABLE_SHIFT, 1, 0);

static const struct snd_soc_dapm_widget g12a_tohdmitx_widgets[] = {
	SND_SOC_DAPM_MUX("I2S SRC", SND_SOC_NOPM, 0, 0,
			 &g12a_tohdmitx_i2s_mux),
	SND_SOC_DAPM_SWITCH("I2S OUT EN", SND_SOC_NOPM, 0, 0,
			    &g12a_tohdmitx_out_enable),
	SND_SOC_DAPM_MUX("SPDIF SRC", SND_SOC_NOPM, 0, 0,
			 &g12a_tohdmitx_spdif_mux),
	SND_SOC_DAPM_SWITCH("SPDIF OUT EN", SND_SOC_NOPM, 0, 0,
			    &g12a_tohdmitx_out_enable),
};

static const struct snd_soc_dai_ops g12a_tohdmitx_input_ops = {
	.hw_params	= meson_codec_glue_input_hw_params,
	.set_fmt	= meson_codec_glue_input_set_fmt,
};

static const struct snd_soc_dai_ops g12a_tohdmitx_output_ops = {
	.startup	= meson_codec_glue_output_startup,
};

#define TOHDMITX_SPDIF_FORMATS					\
	(SNDRV_PCM_FMTBIT_S16_LE | SNDRV_PCM_FMTBIT_S20_3LE |	\
	 SNDRV_PCM_FMTBIT_S24_3LE | SNDRV_PCM_FMTBIT_S24_LE)

#define TOHDMITX_I2S_FORMATS					\
	(SNDRV_PCM_FMTBIT_S16_LE | SNDRV_PCM_FMTBIT_S20_3LE |	\
	 SNDRV_PCM_FMTBIT_S24_3LE | SNDRV_PCM_FMTBIT_S24_LE |	\
	 SNDRV_PCM_FMTBIT_S32_LE)

#define TOHDMITX_STREAM(xname, xsuffix, xfmt, xchmax)		\
{								\
	.stream_name	= xname " " xsuffix,			\
	.channels_min	= 1,					\
	.channels_max	= (xchmax),				\
	.rate_min       = 8000,					\
	.rate_max	= 192000,				\
	.formats	= (xfmt),				\
}

#define TOHDMITX_IN(xname, xid, xfmt, xchmax) {				\
	.name = xname,							\
	.id = (xid),							\
	.playback = TOHDMITX_STREAM(xname, "Playback", xfmt, xchmax),	\
	.ops = &g12a_tohdmitx_input_ops,				\
	.probe = meson_codec_glue_input_dai_probe,			\
	.remove = meson_codec_glue_input_dai_remove,			\
}

#define TOHDMITX_OUT(xname, xid, xfmt, xchmax) {			\
	.name = xname,							\
	.id = (xid),							\
	.capture = TOHDMITX_STREAM(xname, "Capture", xfmt, xchmax),	\
	.ops = &g12a_tohdmitx_output_ops,				\
}

static struct snd_soc_dai_driver g12a_tohdmitx_dai_drv[] = {
	TOHDMITX_IN("I2S IN A", TOHDMITX_I2S_IN_A,
		    TOHDMITX_I2S_FORMATS, 8),
	TOHDMITX_IN("I2S IN B", TOHDMITX_I2S_IN_B,
		    TOHDMITX_I2S_FORMATS, 8),
	TOHDMITX_IN("I2S IN C", TOHDMITX_I2S_IN_C,
		    TOHDMITX_I2S_FORMATS, 8),
	TOHDMITX_OUT("I2S OUT", TOHDMITX_I2S_OUT,
		     TOHDMITX_I2S_FORMATS, 8),
	TOHDMITX_IN("SPDIF IN A", TOHDMITX_SPDIF_IN_A,
		    TOHDMITX_SPDIF_FORMATS, 2),
	TOHDMITX_IN("SPDIF IN B", TOHDMITX_SPDIF_IN_B,
		    TOHDMITX_SPDIF_FORMATS, 2),
	TOHDMITX_OUT("SPDIF OUT", TOHDMITX_SPDIF_OUT,
		     TOHDMITX_SPDIF_FORMATS, 2),
};

static int g12a_tohdmi_component_probe(struct snd_soc_component *c)
{
	/* Initialize the static clock parameters */
	return snd_soc_component_write(c, TOHDMITX_CTRL0,
		     CTRL0_I2S_BLK_CAP_INV | CTRL0_SPDIF_CLK_CAP_INV);
}

static const struct snd_soc_dapm_route g12a_tohdmitx_routes[] = {
	{ "I2S SRC", "I2S A", "I2S IN A Playback" },
	{ "I2S SRC", "I2S B", "I2S IN B Playback" },
	{ "I2S SRC", "I2S C", "I2S IN C Playback" },
	{ "I2S OUT EN", "Switch", "I2S SRC" },
	{ "I2S OUT Capture", NULL, "I2S OUT EN" },
	{ "SPDIF SRC", "SPDIF A", "SPDIF IN A Playback" },
	{ "SPDIF SRC", "SPDIF B", "SPDIF IN B Playback" },
	{ "SPDIF OUT EN", "Switch", "SPDIF SRC" },
	{ "SPDIF OUT Capture", NULL, "SPDIF OUT EN" },
};

static const struct snd_soc_component_driver g12a_tohdmitx_component_drv = {
	.probe			= g12a_tohdmi_component_probe,
	.dapm_widgets		= g12a_tohdmitx_widgets,
	.num_dapm_widgets	= ARRAY_SIZE(g12a_tohdmitx_widgets),
	.dapm_routes		= g12a_tohdmitx_routes,
	.num_dapm_routes	= ARRAY_SIZE(g12a_tohdmitx_routes),
	.endianness		= 1,
	.non_legacy_dai_naming	= 1,
};

static const struct regmap_config g12a_tohdmitx_regmap_cfg = {
	.reg_bits	= 32,
	.val_bits	= 32,
	.reg_stride	= 4,
};

static const struct of_device_id g12a_tohdmitx_of_match[] = {
	{ .compatible = "amlogic,g12a-tohdmitx", },
	{}
};
MODULE_DEVICE_TABLE(of, g12a_tohdmitx_of_match);

static int g12a_tohdmitx_probe(struct platform_device *pdev)
{
	struct device *dev = &pdev->dev;
	void __iomem *regs;
	struct regmap *map;
	int ret;

	ret = device_reset(dev);
	if (ret)
		return ret;

	regs = devm_platform_ioremap_resource(pdev, 0);
	if (IS_ERR(regs))
		return PTR_ERR(regs);

	map = devm_regmap_init_mmio(dev, regs, &g12a_tohdmitx_regmap_cfg);
	if (IS_ERR(map)) {
		dev_err(dev, "failed to init regmap: %ld\n",
			PTR_ERR(map));
		return PTR_ERR(map);
	}

	return devm_snd_soc_register_component(dev,
			&g12a_tohdmitx_component_drv, g12a_tohdmitx_dai_drv,
			ARRAY_SIZE(g12a_tohdmitx_dai_drv));
}

static struct platform_driver g12a_tohdmitx_pdrv = {
	.driver = {
		.name = G12A_TOHDMITX_DRV_NAME,
		.of_match_table = g12a_tohdmitx_of_match,
	},
	.probe = g12a_tohdmitx_probe,
};
module_platform_driver(g12a_tohdmitx_pdrv);

MODULE_AUTHOR("Jerome Brunet <[email protected]>");
MODULE_DESCRIPTION("Amlogic G12a To HDMI Tx Control Codec Driver");
MODULE_LICENSE("GPL v2");
Commit	Line	Data
c8609f38 JB	1	// SPDX-License-Identifier: GPL-2.0
	2	//
	3	// Copyright (c) 2019 BayLibre, SAS.
	4	// Author: Jerome Brunet <[email protected]>
	5
	6	#include <linux/bitfield.h>
	7	#include <linux/clk.h>
	8	#include <linux/module.h>
	9	#include <sound/pcm_params.h>
	10	#include <linux/regmap.h>
22946f37	11	#include <linux/reset.h>
c8609f38 JB	12	#include <sound/soc.h>
	13	#include <sound/soc-dai.h>
	14
	15	#include <dt-bindings/sound/meson-g12a-tohdmitx.h>
9c29fd9b	16	#include "meson-codec-glue.h"
c8609f38 JB	17
	18	#define G12A_TOHDMITX_DRV_NAME "g12a-tohdmitx"
	19
	20	#define TOHDMITX_CTRL0 0x0
	21	#define CTRL0_ENABLE_SHIFT 31
9c29fd9b JB	22	#define CTRL0_I2S_DAT_SEL_SHIFT 12
9c29fd9b JB	23	#define CTRL0_I2S_DAT_SEL (0x3 << CTRL0_I2S_DAT_SEL_SHIFT)
c8609f38 JB	24	#define CTRL0_I2S_LRCLK_SEL GENMASK(9, 8)
	25	#define CTRL0_I2S_BLK_CAP_INV BIT(7)
	26	#define CTRL0_I2S_BCLK_O_INV BIT(6)
	27	#define CTRL0_I2S_BCLK_SEL GENMASK(5, 4)
	28	#define CTRL0_SPDIF_CLK_CAP_INV BIT(3)
	29	#define CTRL0_SPDIF_CLK_O_INV BIT(2)
9c29fd9b JB	30	#define CTRL0_SPDIF_SEL_SHIFT 1
9c29fd9b JB	31	#define CTRL0_SPDIF_SEL (0x1 << CTRL0_SPDIF_SEL_SHIFT)
c8609f38 JB	32	#define CTRL0_SPDIF_CLK_SEL BIT(0)
c8609f38 JB	33
c8609f38 JB	34	static const char * const g12a_tohdmitx_i2s_mux_texts[] = {
	35	"I2S A", "I2S B", "I2S C",
	36	};
	37
c8609f38	38	static int g12a_tohdmitx_i2s_mux_put_enum(struct snd_kcontrol *kcontrol,
9c29fd9b	39	struct snd_ctl_elem_value *ucontrol)
c8609f38 JB	40	{
	41	struct snd_soc_component *component =
	42	snd_soc_dapm_kcontrol_component(kcontrol);
	43	struct snd_soc_dapm_context *dapm =
	44	snd_soc_dapm_kcontrol_dapm(kcontrol);
	45	struct soc_enum e = (struct soc_enum )kcontrol->private_value;
9c29fd9b JB	46	unsigned int mux, changed;
	47
	48	mux = snd_soc_enum_item_to_val(e, ucontrol->value.enumerated.item[0]);
	49	changed = snd_soc_component_test_bits(component, e->reg,
	50	CTRL0_I2S_DAT_SEL,
	51	FIELD_PREP(CTRL0_I2S_DAT_SEL,
	52	mux));
	53
	54	if (!changed)
	55	return 0;
c8609f38 JB	56
c8609f38 JB	57	/* Force disconnect of the mux while updating */
9c29fd9b	58	snd_soc_dapm_mux_update_power(dapm, kcontrol, 0, NULL, NULL);
c8609f38	59
9c29fd9b	60	snd_soc_component_update_bits(component, e->reg,
c8609f38 JB	61	CTRL0_I2S_DAT_SEL \|
	62	CTRL0_I2S_LRCLK_SEL \|
	63	CTRL0_I2S_BCLK_SEL,
	64	FIELD_PREP(CTRL0_I2S_DAT_SEL, mux) \|
	65	FIELD_PREP(CTRL0_I2S_LRCLK_SEL, mux) \|
	66	FIELD_PREP(CTRL0_I2S_BCLK_SEL, mux));
	67
	68	snd_soc_dapm_mux_update_power(dapm, kcontrol, mux, e, NULL);
	69
	70	return 0;
	71	}
	72
9c29fd9b JB	73	static SOC_ENUM_SINGLE_DECL(g12a_tohdmitx_i2s_mux_enum, TOHDMITX_CTRL0,
	74	CTRL0_I2S_DAT_SEL_SHIFT,
	75	g12a_tohdmitx_i2s_mux_texts);
	76
c8609f38 JB	77	static const struct snd_kcontrol_new g12a_tohdmitx_i2s_mux =
c8609f38 JB	78	SOC_DAPM_ENUM_EXT("I2S Source", g12a_tohdmitx_i2s_mux_enum,
9c29fd9b	79	snd_soc_dapm_get_enum_double,
c8609f38 JB	80	g12a_tohdmitx_i2s_mux_put_enum);
	81
	82	static const char * const g12a_tohdmitx_spdif_mux_texts[] = {
	83	"SPDIF A", "SPDIF B",
	84	};
	85
c8609f38 JB	86	static int g12a_tohdmitx_spdif_mux_put_enum(struct snd_kcontrol *kcontrol,
	87	struct snd_ctl_elem_value *ucontrol)
	88	{
	89	struct snd_soc_component *component =
	90	snd_soc_dapm_kcontrol_component(kcontrol);
	91	struct snd_soc_dapm_context *dapm =
	92	snd_soc_dapm_kcontrol_dapm(kcontrol);
	93	struct soc_enum e = (struct soc_enum )kcontrol->private_value;
9c29fd9b JB	94	unsigned int mux, changed;
	95
	96	mux = snd_soc_enum_item_to_val(e, ucontrol->value.enumerated.item[0]);
	97	changed = snd_soc_component_test_bits(component, TOHDMITX_CTRL0,
	98	CTRL0_SPDIF_SEL,
	99	FIELD_PREP(CTRL0_SPDIF_SEL, mux));
	100
	101	if (!changed)
	102	return 0;
c8609f38 JB	103
c8609f38 JB	104	/* Force disconnect of the mux while updating */
9c29fd9b	105	snd_soc_dapm_mux_update_power(dapm, kcontrol, 0, NULL, NULL);
c8609f38 JB	106
	107	snd_soc_component_update_bits(component, TOHDMITX_CTRL0,
	108	CTRL0_SPDIF_SEL \|
	109	CTRL0_SPDIF_CLK_SEL,
	110	FIELD_PREP(CTRL0_SPDIF_SEL, mux) \|
	111	FIELD_PREP(CTRL0_SPDIF_CLK_SEL, mux));
	112
	113	snd_soc_dapm_mux_update_power(dapm, kcontrol, mux, e, NULL);
	114
	115	return 0;
	116	}
	117
9c29fd9b JB	118	static SOC_ENUM_SINGLE_DECL(g12a_tohdmitx_spdif_mux_enum, TOHDMITX_CTRL0,
	119	CTRL0_SPDIF_SEL_SHIFT,
	120	g12a_tohdmitx_spdif_mux_texts);
	121
c8609f38 JB	122	static const struct snd_kcontrol_new g12a_tohdmitx_spdif_mux =
c8609f38 JB	123	SOC_DAPM_ENUM_EXT("SPDIF Source", g12a_tohdmitx_spdif_mux_enum,
9c29fd9b	124	snd_soc_dapm_get_enum_double,
c8609f38 JB	125	g12a_tohdmitx_spdif_mux_put_enum);
	126
	127	static const struct snd_kcontrol_new g12a_tohdmitx_out_enable =
	128	SOC_DAPM_SINGLE_AUTODISABLE("Switch", TOHDMITX_CTRL0,
	129	CTRL0_ENABLE_SHIFT, 1, 0);
	130
	131	static const struct snd_soc_dapm_widget g12a_tohdmitx_widgets[] = {
	132	SND_SOC_DAPM_MUX("I2S SRC", SND_SOC_NOPM, 0, 0,
	133	&g12a_tohdmitx_i2s_mux),
	134	SND_SOC_DAPM_SWITCH("I2S OUT EN", SND_SOC_NOPM, 0, 0,
	135	&g12a_tohdmitx_out_enable),
	136	SND_SOC_DAPM_MUX("SPDIF SRC", SND_SOC_NOPM, 0, 0,
	137	&g12a_tohdmitx_spdif_mux),
	138	SND_SOC_DAPM_SWITCH("SPDIF OUT EN", SND_SOC_NOPM, 0, 0,
	139	&g12a_tohdmitx_out_enable),
	140	};
	141
c8609f38	142	static const struct snd_soc_dai_ops g12a_tohdmitx_input_ops = {
9c29fd9b JB	143	.hw_params = meson_codec_glue_input_hw_params,
9c29fd9b JB	144	.set_fmt = meson_codec_glue_input_set_fmt,
c8609f38 JB	145	};
	146
	147	static const struct snd_soc_dai_ops g12a_tohdmitx_output_ops = {
9c29fd9b	148	.startup = meson_codec_glue_output_startup,
c8609f38 JB	149	};
	150
	151	#define TOHDMITX_SPDIF_FORMATS \
	152	(SNDRV_PCM_FMTBIT_S16_LE \| SNDRV_PCM_FMTBIT_S20_3LE \| \
	153	SNDRV_PCM_FMTBIT_S24_3LE \| SNDRV_PCM_FMTBIT_S24_LE)
	154
	155	#define TOHDMITX_I2S_FORMATS \
	156	(SNDRV_PCM_FMTBIT_S16_LE \| SNDRV_PCM_FMTBIT_S20_3LE \| \
	157	SNDRV_PCM_FMTBIT_S24_3LE \| SNDRV_PCM_FMTBIT_S24_LE \| \
	158	SNDRV_PCM_FMTBIT_S32_LE)
	159
	160	#define TOHDMITX_STREAM(xname, xsuffix, xfmt, xchmax) \
	161	{ \
	162	.stream_name = xname " " xsuffix, \
	163	.channels_min = 1, \
	164	.channels_max = (xchmax), \
	165	.rate_min = 8000, \
	166	.rate_max = 192000, \
	167	.formats = (xfmt), \
	168	}
	169
	170	#define TOHDMITX_IN(xname, xid, xfmt, xchmax) { \
	171	.name = xname, \
	172	.id = (xid), \
	173	.playback = TOHDMITX_STREAM(xname, "Playback", xfmt, xchmax), \
	174	.ops = &g12a_tohdmitx_input_ops, \
9c29fd9b JB	175	.probe = meson_codec_glue_input_dai_probe, \
9c29fd9b JB	176	.remove = meson_codec_glue_input_dai_remove, \
c8609f38 JB	177	}
	178
	179	#define TOHDMITX_OUT(xname, xid, xfmt, xchmax) { \
	180	.name = xname, \
	181	.id = (xid), \
	182	.capture = TOHDMITX_STREAM(xname, "Capture", xfmt, xchmax), \
	183	.ops = &g12a_tohdmitx_output_ops, \
	184	}
	185
	186	static struct snd_soc_dai_driver g12a_tohdmitx_dai_drv[] = {
	187	TOHDMITX_IN("I2S IN A", TOHDMITX_I2S_IN_A,
	188	TOHDMITX_I2S_FORMATS, 8),
	189	TOHDMITX_IN("I2S IN B", TOHDMITX_I2S_IN_B,
	190	TOHDMITX_I2S_FORMATS, 8),
	191	TOHDMITX_IN("I2S IN C", TOHDMITX_I2S_IN_C,
	192	TOHDMITX_I2S_FORMATS, 8),
	193	TOHDMITX_OUT("I2S OUT", TOHDMITX_I2S_OUT,
	194	TOHDMITX_I2S_FORMATS, 8),
	195	TOHDMITX_IN("SPDIF IN A", TOHDMITX_SPDIF_IN_A,
	196	TOHDMITX_SPDIF_FORMATS, 2),
	197	TOHDMITX_IN("SPDIF IN B", TOHDMITX_SPDIF_IN_B,
	198	TOHDMITX_SPDIF_FORMATS, 2),
	199	TOHDMITX_OUT("SPDIF OUT", TOHDMITX_SPDIF_OUT,
	200	TOHDMITX_SPDIF_FORMATS, 2),
	201	};
	202
	203	static int g12a_tohdmi_component_probe(struct snd_soc_component *c)
	204	{
	205	/* Initialize the static clock parameters */
	206	return snd_soc_component_write(c, TOHDMITX_CTRL0,
	207	CTRL0_I2S_BLK_CAP_INV \| CTRL0_SPDIF_CLK_CAP_INV);
	208	}
	209
	210	static const struct snd_soc_dapm_route g12a_tohdmitx_routes[] = {
	211	{ "I2S SRC", "I2S A", "I2S IN A Playback" },
	212	{ "I2S SRC", "I2S B", "I2S IN B Playback" },
	213	{ "I2S SRC", "I2S C", "I2S IN C Playback" },
	214	{ "I2S OUT EN", "Switch", "I2S SRC" },
	215	{ "I2S OUT Capture", NULL, "I2S OUT EN" },
	216	{ "SPDIF SRC", "SPDIF A", "SPDIF IN A Playback" },
	217	{ "SPDIF SRC", "SPDIF B", "SPDIF IN B Playback" },
	218	{ "SPDIF OUT EN", "Switch", "SPDIF SRC" },
	219	{ "SPDIF OUT Capture", NULL, "SPDIF OUT EN" },
	220	};
	221
	222	static const struct snd_soc_component_driver g12a_tohdmitx_component_drv = {
	223	.probe = g12a_tohdmi_component_probe,
	224	.dapm_widgets = g12a_tohdmitx_widgets,
	225	.num_dapm_widgets = ARRAY_SIZE(g12a_tohdmitx_widgets),
	226	.dapm_routes = g12a_tohdmitx_routes,
	227	.num_dapm_routes = ARRAY_SIZE(g12a_tohdmitx_routes),
	228	.endianness = 1,
	229	.non_legacy_dai_naming = 1,
	230	};
	231
	232	static const struct regmap_config g12a_tohdmitx_regmap_cfg = {
	233	.reg_bits = 32,
	234	.val_bits = 32,
	235	.reg_stride = 4,
	236	};
	237
	238	static const struct of_device_id g12a_tohdmitx_of_match[] = {
	239	{ .compatible = "amlogic,g12a-tohdmitx", },
	240	{}
241	};
242	MODULE_DEVICE_TABLE(of, g12a_tohdmitx_of_match);
243
244	static int g12a_tohdmitx_probe(struct platform_device *pdev)
245	{
246	struct device *dev = &pdev->dev;
c8609f38 JB	247	void __iomem *regs;
c8609f38 JB	248	struct regmap *map;
22946f37 JB	249	int ret;
	250
	251	ret = device_reset(dev);
	252	if (ret)
	253	return ret;
c8609f38	254
a95c9012	255	regs = devm_platform_ioremap_resource(pdev, 0);
c8609f38 JB	256	if (IS_ERR(regs))
	257	return PTR_ERR(regs);
	258
	259	map = devm_regmap_init_mmio(dev, regs, &g12a_tohdmitx_regmap_cfg);
	260	if (IS_ERR(map)) {
	261	dev_err(dev, "failed to init regmap: %ld\n",
	262	PTR_ERR(map));
	263	return PTR_ERR(map);
	264	}
	265
	266	return devm_snd_soc_register_component(dev,
	267	&g12a_tohdmitx_component_drv, g12a_tohdmitx_dai_drv,
	268	ARRAY_SIZE(g12a_tohdmitx_dai_drv));
	269	}
	270
	271	static struct platform_driver g12a_tohdmitx_pdrv = {
	272	.driver = {
	273	.name = G12A_TOHDMITX_DRV_NAME,
	274	.of_match_table = g12a_tohdmitx_of_match,
	275	},
	276	.probe = g12a_tohdmitx_probe,
	277	};
	278	module_platform_driver(g12a_tohdmitx_pdrv);
	279
	280	MODULE_AUTHOR("Jerome Brunet <[email protected]>");
	281	MODULE_DESCRIPTION("Amlogic G12a To HDMI Tx Control Codec Driver");
	282	MODULE_LICENSE("GPL v2");