Adding upstream version 6.1.76.upstream/6.1.76

Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>

1 files changed, 510 insertions, 0 deletions

diff --git a/sound/soc/codecs/ssm4567.c b/sound/soc/codecs/ssm4567.c
new file mode 100644
index 000000000..4b0265617
--- /dev/null
+++ b/sound/soc/codecs/ssm4567.c
@@ -0,0 +1,510 @@
+// SPDX-License-Identifier: GPL-2.0-only
+/*
+ * SSM4567 amplifier audio driver
+ *
+ * Copyright 2014 Google Chromium project.
+ *  Author: Anatol Pomozov <anatol@chromium.org>
+ *
+ * Based on code copyright/by:
+ *   Copyright 2013 Analog Devices Inc.
+ */
+
+#include <linux/acpi.h>
+#include <linux/module.h>
+#include <linux/init.h>
+#include <linux/i2c.h>
+#include <linux/regmap.h>
+#include <linux/slab.h>
+#include <sound/core.h>
+#include <sound/pcm.h>
+#include <sound/pcm_params.h>
+#include <sound/soc.h>
+#include <sound/initval.h>
+#include <sound/tlv.h>
+
+#define SSM4567_REG_POWER_CTRL		0x00
+#define SSM4567_REG_AMP_SNS_CTRL		0x01
+#define SSM4567_REG_DAC_CTRL		0x02
+#define SSM4567_REG_DAC_VOLUME		0x03
+#define SSM4567_REG_SAI_CTRL_1		0x04
+#define SSM4567_REG_SAI_CTRL_2		0x05
+#define SSM4567_REG_SAI_PLACEMENT_1		0x06
+#define SSM4567_REG_SAI_PLACEMENT_2		0x07
+#define SSM4567_REG_SAI_PLACEMENT_3		0x08
+#define SSM4567_REG_SAI_PLACEMENT_4		0x09
+#define SSM4567_REG_SAI_PLACEMENT_5		0x0a
+#define SSM4567_REG_SAI_PLACEMENT_6		0x0b
+#define SSM4567_REG_BATTERY_V_OUT		0x0c
+#define SSM4567_REG_LIMITER_CTRL_1		0x0d
+#define SSM4567_REG_LIMITER_CTRL_2		0x0e
+#define SSM4567_REG_LIMITER_CTRL_3		0x0f
+#define SSM4567_REG_STATUS_1		0x10
+#define SSM4567_REG_STATUS_2		0x11
+#define SSM4567_REG_FAULT_CTRL		0x12
+#define SSM4567_REG_PDM_CTRL		0x13
+#define SSM4567_REG_MCLK_RATIO		0x14
+#define SSM4567_REG_BOOST_CTRL_1		0x15
+#define SSM4567_REG_BOOST_CTRL_2		0x16
+#define SSM4567_REG_SOFT_RESET		0xff
+
+/* POWER_CTRL */
+#define SSM4567_POWER_APWDN_EN		BIT(7)
+#define SSM4567_POWER_BSNS_PWDN		BIT(6)
+#define SSM4567_POWER_VSNS_PWDN		BIT(5)
+#define SSM4567_POWER_ISNS_PWDN		BIT(4)
+#define SSM4567_POWER_BOOST_PWDN		BIT(3)
+#define SSM4567_POWER_AMP_PWDN		BIT(2)
+#define SSM4567_POWER_VBAT_ONLY		BIT(1)
+#define SSM4567_POWER_SPWDN			BIT(0)
+
+/* DAC_CTRL */
+#define SSM4567_DAC_HV			BIT(7)
+#define SSM4567_DAC_MUTE		BIT(6)
+#define SSM4567_DAC_HPF			BIT(5)
+#define SSM4567_DAC_LPM			BIT(4)
+#define SSM4567_DAC_FS_MASK	0x7
+#define SSM4567_DAC_FS_8000_12000	0x0
+#define SSM4567_DAC_FS_16000_24000	0x1
+#define SSM4567_DAC_FS_32000_48000	0x2
+#define SSM4567_DAC_FS_64000_96000	0x3
+#define SSM4567_DAC_FS_128000_192000	0x4
+
+/* SAI_CTRL_1 */
+#define SSM4567_SAI_CTRL_1_BCLK			BIT(6)
+#define SSM4567_SAI_CTRL_1_TDM_BLCKS_MASK	(0x3 << 4)
+#define SSM4567_SAI_CTRL_1_TDM_BLCKS_32		(0x0 << 4)
+#define SSM4567_SAI_CTRL_1_TDM_BLCKS_48		(0x1 << 4)
+#define SSM4567_SAI_CTRL_1_TDM_BLCKS_64		(0x2 << 4)
+#define SSM4567_SAI_CTRL_1_FSYNC		BIT(3)
+#define SSM4567_SAI_CTRL_1_LJ			BIT(2)
+#define SSM4567_SAI_CTRL_1_TDM			BIT(1)
+#define SSM4567_SAI_CTRL_1_PDM			BIT(0)
+
+/* SAI_CTRL_2 */
+#define SSM4567_SAI_CTRL_2_AUTO_SLOT		BIT(3)
+#define SSM4567_SAI_CTRL_2_TDM_SLOT_MASK	0x7
+#define SSM4567_SAI_CTRL_2_TDM_SLOT(x)		(x)
+
+struct ssm4567 {
+	struct regmap *regmap;
+};
+
+static const struct reg_default ssm4567_reg_defaults[] = {
+	{ SSM4567_REG_POWER_CTRL,	0x81 },
+	{ SSM4567_REG_AMP_SNS_CTRL, 0x09 },
+	{ SSM4567_REG_DAC_CTRL, 0x32 },
+	{ SSM4567_REG_DAC_VOLUME, 0x40 },
+	{ SSM4567_REG_SAI_CTRL_1, 0x00 },
+	{ SSM4567_REG_SAI_CTRL_2, 0x08 },
+	{ SSM4567_REG_SAI_PLACEMENT_1, 0x01 },
+	{ SSM4567_REG_SAI_PLACEMENT_2, 0x20 },
+	{ SSM4567_REG_SAI_PLACEMENT_3, 0x32 },
+	{ SSM4567_REG_SAI_PLACEMENT_4, 0x07 },
+	{ SSM4567_REG_SAI_PLACEMENT_5, 0x07 },
+	{ SSM4567_REG_SAI_PLACEMENT_6, 0x07 },
+	{ SSM4567_REG_BATTERY_V_OUT, 0x00 },
+	{ SSM4567_REG_LIMITER_CTRL_1, 0xa4 },
+	{ SSM4567_REG_LIMITER_CTRL_2, 0x73 },
+	{ SSM4567_REG_LIMITER_CTRL_3, 0x00 },
+	{ SSM4567_REG_STATUS_1, 0x00 },
+	{ SSM4567_REG_STATUS_2, 0x00 },
+	{ SSM4567_REG_FAULT_CTRL, 0x30 },
+	{ SSM4567_REG_PDM_CTRL, 0x40 },
+	{ SSM4567_REG_MCLK_RATIO, 0x11 },
+	{ SSM4567_REG_BOOST_CTRL_1, 0x03 },
+	{ SSM4567_REG_BOOST_CTRL_2, 0x00 },
+	{ SSM4567_REG_SOFT_RESET, 0x00 },
+};
+
+
+static bool ssm4567_readable_reg(struct device *dev, unsigned int reg)
+{
+	switch (reg) {
+	case SSM4567_REG_POWER_CTRL ... SSM4567_REG_BOOST_CTRL_2:
+		return true;
+	default:
+		return false;
+	}
+
+}
+
+static bool ssm4567_writeable_reg(struct device *dev, unsigned int reg)
+{
+	switch (reg) {
+	case SSM4567_REG_POWER_CTRL ... SSM4567_REG_SAI_PLACEMENT_6:
+	case SSM4567_REG_LIMITER_CTRL_1 ... SSM4567_REG_LIMITER_CTRL_3:
+	case SSM4567_REG_FAULT_CTRL ... SSM4567_REG_BOOST_CTRL_2:
+	/* The datasheet states that soft reset register is read-only,
+	 * but logically it is write-only. */
+	case SSM4567_REG_SOFT_RESET:
+		return true;
+	default:
+		return false;
+	}
+}
+
+static bool ssm4567_volatile_reg(struct device *dev, unsigned int reg)
+{
+	switch (reg) {
+	case SSM4567_REG_BATTERY_V_OUT:
+	case SSM4567_REG_STATUS_1 ... SSM4567_REG_STATUS_2:
+	case SSM4567_REG_SOFT_RESET:
+		return true;
+	default:
+		return false;
+	}
+}
+
+static const DECLARE_TLV_DB_MINMAX_MUTE(ssm4567_vol_tlv, -7125, 2400);
+
+static const struct snd_kcontrol_new ssm4567_snd_controls[] = {
+	SOC_SINGLE_TLV("Master Playback Volume", SSM4567_REG_DAC_VOLUME, 0,
+		0xff, 1, ssm4567_vol_tlv),
+	SOC_SINGLE("DAC Low Power Mode Switch", SSM4567_REG_DAC_CTRL, 4, 1, 0),
+	SOC_SINGLE("DAC High Pass Filter Switch", SSM4567_REG_DAC_CTRL,
+		5, 1, 0),
+};
+
+static const struct snd_kcontrol_new ssm4567_amplifier_boost_control =
+	SOC_DAPM_SINGLE("Switch", SSM4567_REG_POWER_CTRL, 1, 1, 1);
+
+static const struct snd_soc_dapm_widget ssm4567_dapm_widgets[] = {
+	SND_SOC_DAPM_DAC("DAC", "HiFi Playback", SSM4567_REG_POWER_CTRL, 2, 1),
+	SND_SOC_DAPM_SWITCH("Amplifier Boost", SSM4567_REG_POWER_CTRL, 3, 1,
+		&ssm4567_amplifier_boost_control),
+
+	SND_SOC_DAPM_SIGGEN("Sense"),
+
+	SND_SOC_DAPM_PGA("Current Sense", SSM4567_REG_POWER_CTRL, 4, 1, NULL, 0),
+	SND_SOC_DAPM_PGA("Voltage Sense", SSM4567_REG_POWER_CTRL, 5, 1, NULL, 0),
+	SND_SOC_DAPM_PGA("VBAT Sense", SSM4567_REG_POWER_CTRL, 6, 1, NULL, 0),
+
+	SND_SOC_DAPM_OUTPUT("OUT"),
+};
+
+static const struct snd_soc_dapm_route ssm4567_routes[] = {
+	{ "OUT", NULL, "Amplifier Boost" },
+	{ "Amplifier Boost", "Switch", "DAC" },
+	{ "OUT", NULL, "DAC" },
+
+	{ "Current Sense", NULL, "Sense" },
+	{ "Voltage Sense", NULL, "Sense" },
+	{ "VBAT Sense", NULL, "Sense" },
+	{ "Capture Sense", NULL, "Current Sense" },
+	{ "Capture Sense", NULL, "Voltage Sense" },
+	{ "Capture Sense", NULL, "VBAT Sense" },
+};
+
+static int ssm4567_hw_params(struct snd_pcm_substream *substream,
+	struct snd_pcm_hw_params *params, struct snd_soc_dai *dai)
+{
+	struct snd_soc_component *component = dai->component;
+	struct ssm4567 *ssm4567 = snd_soc_component_get_drvdata(component);
+	unsigned int rate = params_rate(params);
+	unsigned int dacfs;
+
+	if (rate >= 8000 && rate <= 12000)
+		dacfs = SSM4567_DAC_FS_8000_12000;
+	else if (rate >= 16000 && rate <= 24000)
+		dacfs = SSM4567_DAC_FS_16000_24000;
+	else if (rate >= 32000 && rate <= 48000)
+		dacfs = SSM4567_DAC_FS_32000_48000;
+	else if (rate >= 64000 && rate <= 96000)
+		dacfs = SSM4567_DAC_FS_64000_96000;
+	else if (rate >= 128000 && rate <= 192000)
+		dacfs = SSM4567_DAC_FS_128000_192000;
+	else
+		return -EINVAL;
+
+	return regmap_update_bits(ssm4567->regmap, SSM4567_REG_DAC_CTRL,
+				SSM4567_DAC_FS_MASK, dacfs);
+}
+
+static int ssm4567_mute(struct snd_soc_dai *dai, int mute, int direction)
+{
+	struct ssm4567 *ssm4567 = snd_soc_component_get_drvdata(dai->component);
+	unsigned int val;
+
+	val = mute ? SSM4567_DAC_MUTE : 0;
+	return regmap_update_bits(ssm4567->regmap, SSM4567_REG_DAC_CTRL,
+			SSM4567_DAC_MUTE, val);
+}
+
+static int ssm4567_set_tdm_slot(struct snd_soc_dai *dai, unsigned int tx_mask,
+	unsigned int rx_mask, int slots, int width)
+{
+	struct ssm4567 *ssm4567 = snd_soc_dai_get_drvdata(dai);
+	unsigned int blcks;
+	int slot;
+	int ret;
+
+	if (tx_mask == 0)
+		return -EINVAL;
+
+	if (rx_mask && rx_mask != tx_mask)
+		return -EINVAL;
+
+	slot = __ffs(tx_mask);
+	if (tx_mask != BIT(slot))
+		return -EINVAL;
+
+	switch (width) {
+	case 32:
+		blcks = SSM4567_SAI_CTRL_1_TDM_BLCKS_32;
+		break;
+	case 48:
+		blcks = SSM4567_SAI_CTRL_1_TDM_BLCKS_48;
+		break;
+	case 64:
+		blcks = SSM4567_SAI_CTRL_1_TDM_BLCKS_64;
+		break;
+	default:
+		return -EINVAL;
+	}
+
+	ret = regmap_update_bits(ssm4567->regmap, SSM4567_REG_SAI_CTRL_2,
+		SSM4567_SAI_CTRL_2_AUTO_SLOT | SSM4567_SAI_CTRL_2_TDM_SLOT_MASK,
+		SSM4567_SAI_CTRL_2_TDM_SLOT(slot));
+	if (ret)
+		return ret;
+
+	return regmap_update_bits(ssm4567->regmap, SSM4567_REG_SAI_CTRL_1,
+		SSM4567_SAI_CTRL_1_TDM_BLCKS_MASK, blcks);
+}
+
+static int ssm4567_set_dai_fmt(struct snd_soc_dai *dai, unsigned int fmt)
+{
+	struct ssm4567 *ssm4567 = snd_soc_dai_get_drvdata(dai);
+	unsigned int ctrl1 = 0;
+	bool invert_fclk;
+
+	switch (fmt & SND_SOC_DAIFMT_CLOCK_PROVIDER_MASK) {
+	case SND_SOC_DAIFMT_CBC_CFC:
+		break;
+	default:
+		return -EINVAL;
+	}
+
+	switch (fmt & SND_SOC_DAIFMT_INV_MASK) {
+	case SND_SOC_DAIFMT_NB_NF:
+		invert_fclk = false;
+		break;
+	case SND_SOC_DAIFMT_IB_NF:
+		ctrl1 |= SSM4567_SAI_CTRL_1_BCLK;
+		invert_fclk = false;
+		break;
+	case SND_SOC_DAIFMT_NB_IF:
+		ctrl1 |= SSM4567_SAI_CTRL_1_FSYNC;
+		invert_fclk = true;
+		break;
+	case SND_SOC_DAIFMT_IB_IF:
+		ctrl1 |= SSM4567_SAI_CTRL_1_BCLK;
+		invert_fclk = true;
+		break;
+	default:
+		return -EINVAL;
+	}
+
+	switch (fmt & SND_SOC_DAIFMT_FORMAT_MASK) {
+	case SND_SOC_DAIFMT_I2S:
+		break;
+	case SND_SOC_DAIFMT_LEFT_J:
+		ctrl1 |= SSM4567_SAI_CTRL_1_LJ;
+		invert_fclk = !invert_fclk;
+		break;
+	case SND_SOC_DAIFMT_DSP_A:
+		ctrl1 |= SSM4567_SAI_CTRL_1_TDM;
+		break;
+	case SND_SOC_DAIFMT_DSP_B:
+		ctrl1 |= SSM4567_SAI_CTRL_1_TDM | SSM4567_SAI_CTRL_1_LJ;
+		break;
+	case SND_SOC_DAIFMT_PDM:
+		ctrl1 |= SSM4567_SAI_CTRL_1_PDM;
+		break;
+	default:
+		return -EINVAL;
+	}
+
+	if (invert_fclk)
+		ctrl1 |= SSM4567_SAI_CTRL_1_FSYNC;
+
+	return regmap_update_bits(ssm4567->regmap, SSM4567_REG_SAI_CTRL_1,
+			SSM4567_SAI_CTRL_1_BCLK |
+			SSM4567_SAI_CTRL_1_FSYNC |
+			SSM4567_SAI_CTRL_1_LJ |
+			SSM4567_SAI_CTRL_1_TDM |
+			SSM4567_SAI_CTRL_1_PDM,
+			ctrl1);
+}
+
+static int ssm4567_set_power(struct ssm4567 *ssm4567, bool enable)
+{
+	int ret = 0;
+
+	if (!enable) {
+		ret = regmap_update_bits(ssm4567->regmap,
+			SSM4567_REG_POWER_CTRL,
+			SSM4567_POWER_SPWDN, SSM4567_POWER_SPWDN);
+		regcache_mark_dirty(ssm4567->regmap);
+	}
+
+	regcache_cache_only(ssm4567->regmap, !enable);
+
+	if (enable) {
+		ret = regmap_write(ssm4567->regmap, SSM4567_REG_SOFT_RESET,
+			0x00);
+		if (ret)
+			return ret;
+
+		ret = regmap_update_bits(ssm4567->regmap,
+			SSM4567_REG_POWER_CTRL,
+			SSM4567_POWER_SPWDN, 0x00);
+		regcache_sync(ssm4567->regmap);
+	}
+
+	return ret;
+}
+
+static int ssm4567_set_bias_level(struct snd_soc_component *component,
+	enum snd_soc_bias_level level)
+{
+	struct ssm4567 *ssm4567 = snd_soc_component_get_drvdata(component);
+	int ret = 0;
+
+	switch (level) {
+	case SND_SOC_BIAS_ON:
+		break;
+	case SND_SOC_BIAS_PREPARE:
+		break;
+	case SND_SOC_BIAS_STANDBY:
+		if (snd_soc_component_get_bias_level(component) == SND_SOC_BIAS_OFF)
+			ret = ssm4567_set_power(ssm4567, true);
+		break;
+	case SND_SOC_BIAS_OFF:
+		ret = ssm4567_set_power(ssm4567, false);
+		break;
+	}
+
+	return ret;
+}
+
+static const struct snd_soc_dai_ops ssm4567_dai_ops = {
+	.hw_params	= ssm4567_hw_params,
+	.mute_stream	= ssm4567_mute,
+	.set_fmt	= ssm4567_set_dai_fmt,
+	.set_tdm_slot	= ssm4567_set_tdm_slot,
+	.no_capture_mute = 1,
+};
+
+static struct snd_soc_dai_driver ssm4567_dai = {
+	.name = "ssm4567-hifi",
+	.playback = {
+		.stream_name = "Playback",
+		.channels_min = 1,
+		.channels_max = 1,
+		.rates = SNDRV_PCM_RATE_8000_192000,
+		.formats = SNDRV_PCM_FMTBIT_S16_LE | SNDRV_PCM_FMTBIT_S24_LE |
+			SNDRV_PCM_FMTBIT_S32,
+	},
+	.capture = {
+		.stream_name = "Capture Sense",
+		.channels_min = 1,
+		.channels_max = 1,
+		.rates = SNDRV_PCM_RATE_8000_192000,
+		.formats = SNDRV_PCM_FMTBIT_S16_LE | SNDRV_PCM_FMTBIT_S24_LE |
+			SNDRV_PCM_FMTBIT_S32,
+	},
+	.ops = &ssm4567_dai_ops,
+};
+
+static const struct snd_soc_component_driver ssm4567_component_driver = {
+	.set_bias_level		= ssm4567_set_bias_level,
+	.controls		= ssm4567_snd_controls,
+	.num_controls		= ARRAY_SIZE(ssm4567_snd_controls),
+	.dapm_widgets		= ssm4567_dapm_widgets,
+	.num_dapm_widgets	= ARRAY_SIZE(ssm4567_dapm_widgets),
+	.dapm_routes		= ssm4567_routes,
+	.num_dapm_routes	= ARRAY_SIZE(ssm4567_routes),
+	.use_pmdown_time	= 1,
+	.endianness		= 1,
+};
+
+static const struct regmap_config ssm4567_regmap_config = {
+	.val_bits = 8,
+	.reg_bits = 8,
+
+	.max_register = SSM4567_REG_SOFT_RESET,
+	.readable_reg = ssm4567_readable_reg,
+	.writeable_reg = ssm4567_writeable_reg,
+	.volatile_reg = ssm4567_volatile_reg,
+
+	.cache_type = REGCACHE_RBTREE,
+	.reg_defaults = ssm4567_reg_defaults,
+	.num_reg_defaults = ARRAY_SIZE(ssm4567_reg_defaults),
+};
+
+static int ssm4567_i2c_probe(struct i2c_client *i2c)
+{
+	struct ssm4567 *ssm4567;
+	int ret;
+
+	ssm4567 = devm_kzalloc(&i2c->dev, sizeof(*ssm4567), GFP_KERNEL);
+	if (ssm4567 == NULL)
+		return -ENOMEM;
+
+	i2c_set_clientdata(i2c, ssm4567);
+
+	ssm4567->regmap = devm_regmap_init_i2c(i2c, &ssm4567_regmap_config);
+	if (IS_ERR(ssm4567->regmap))
+		return PTR_ERR(ssm4567->regmap);
+
+	ret = regmap_write(ssm4567->regmap, SSM4567_REG_SOFT_RESET, 0x00);
+	if (ret)
+		return ret;
+
+	ret = ssm4567_set_power(ssm4567, false);
+	if (ret)
+		return ret;
+
+	return devm_snd_soc_register_component(&i2c->dev, &ssm4567_component_driver,
+			&ssm4567_dai, 1);
+}
+
+static const struct i2c_device_id ssm4567_i2c_ids[] = {
+	{ "ssm4567", 0 },
+	{ }
+};
+MODULE_DEVICE_TABLE(i2c, ssm4567_i2c_ids);
+
+#ifdef CONFIG_OF
+static const struct of_device_id ssm4567_of_match[] = {
+	{ .compatible = "adi,ssm4567", },
+	{ }
+};
+MODULE_DEVICE_TABLE(of, ssm4567_of_match);
+#endif
+
+#ifdef CONFIG_ACPI
+
+static const struct acpi_device_id ssm4567_acpi_match[] = {
+	{ "INT343B", 0 },
+	{},
+};
+MODULE_DEVICE_TABLE(acpi, ssm4567_acpi_match);
+
+#endif
+
+static struct i2c_driver ssm4567_driver = {
+	.driver = {
+		.name = "ssm4567",
+		.of_match_table = of_match_ptr(ssm4567_of_match),
+		.acpi_match_table = ACPI_PTR(ssm4567_acpi_match),
+	},
+	.probe_new = ssm4567_i2c_probe,
+	.id_table = ssm4567_i2c_ids,
+};
+module_i2c_driver(ssm4567_driver);
+
+MODULE_DESCRIPTION("ASoC SSM4567 driver");
+MODULE_AUTHOR("Anatol Pomozov <anatol@chromium.org>");
+MODULE_LICENSE("GPL");