From ee5d4df7298336a4c40140a1ce179e11ed179b03 Mon Sep 17 00:00:00 2001 From: Kevin Cernekee Date: Sun, 3 May 2015 17:00:17 -0700 Subject: ASoC: tas571x: Add DT binding document Document the bindings for the soon-to-be-added tas571x driver. Signed-off-by: Kevin Cernekee Signed-off-by: Mark Brown --- .../devicetree/bindings/sound/tas571x.txt | 41 ++++++++++++++++++++++ 1 file changed, 41 insertions(+) create mode 100644 Documentation/devicetree/bindings/sound/tas571x.txt diff --git a/Documentation/devicetree/bindings/sound/tas571x.txt b/Documentation/devicetree/bindings/sound/tas571x.txt new file mode 100644 index 000000000000..0ac31d8d5ac4 --- /dev/null +++ b/Documentation/devicetree/bindings/sound/tas571x.txt @@ -0,0 +1,41 @@ +Texas Instruments TAS5711/TAS5717/TAS5719 stereo power amplifiers + +The codec is controlled through an I2C interface. It also has two other +signals that can be wired up to GPIOs: reset (strongly recommended), and +powerdown (optional). + +Required properties: + +- compatible: "ti,tas5711", "ti,tas5717", or "ti,tas5719" +- reg: The I2C address of the device +- #sound-dai-cells: must be equal to 0 + +Optional properties: + +- reset-gpios: GPIO specifier for the TAS571x's active low reset line +- pdn-gpios: GPIO specifier for the TAS571x's active low powerdown line +- clocks: clock phandle for the MCLK input +- clock-names: should be "mclk" +- AVDD-supply: regulator phandle for the AVDD supply (all chips) +- DVDD-supply: regulator phandle for the DVDD supply (all chips) +- HPVDD-supply: regulator phandle for the HPVDD supply (5717/5719) +- PVDD_AB-supply: regulator phandle for the PVDD_AB supply (5717/5719) +- PVDD_CD-supply: regulator phandle for the PVDD_CD supply (5717/5719) +- PVDD_A-supply: regulator phandle for the PVDD_A supply (5711) +- PVDD_B-supply: regulator phandle for the PVDD_B supply (5711) +- PVDD_C-supply: regulator phandle for the PVDD_C supply (5711) +- PVDD_D-supply: regulator phandle for the PVDD_D supply (5711) + +Example: + + tas5717: audio-codec@2a { + compatible = "ti,tas5717"; + reg = <0x2a>; + #sound-dai-cells = <0>; + + reset-gpios = <&gpio5 1 GPIO_ACTIVE_LOW>; + pdn-gpios = <&gpio5 2 GPIO_ACTIVE_LOW>; + + clocks = <&clk_core CLK_I2S>; + clock-names = "mclk"; + }; -- cgit v1.2.3 From 3fd6e7d9a146e2e0b55f428d8d4d500ca86909f5 Mon Sep 17 00:00:00 2001 From: Kevin Cernekee Date: Sun, 3 May 2015 17:00:18 -0700 Subject: ASoC: tas571x: New driver for TI TAS571x power amplifiers Introduce a new codec driver for the Texas Instruments TAS5711/TAS5717/TAS5719 power amplifier chips. These chips are typically used to take an I2S digital audio input and drive 10-20W into a pair of speakers. Signed-off-by: Kevin Cernekee Signed-off-by: Mark Brown --- sound/soc/codecs/Kconfig | 5 + sound/soc/codecs/Makefile | 2 + sound/soc/codecs/tas571x.c | 520 +++++++++++++++++++++++++++++++++++++++++++++ sound/soc/codecs/tas571x.h | 33 +++ 4 files changed, 560 insertions(+) create mode 100644 sound/soc/codecs/tas571x.c create mode 100644 sound/soc/codecs/tas571x.h diff --git a/sound/soc/codecs/Kconfig b/sound/soc/codecs/Kconfig index 061c46587628..befff910d71a 100644 --- a/sound/soc/codecs/Kconfig +++ b/sound/soc/codecs/Kconfig @@ -104,6 +104,7 @@ config SND_SOC_ALL_CODECS select SND_SOC_STAC9766 if SND_SOC_AC97_BUS select SND_SOC_TAS2552 if I2C select SND_SOC_TAS5086 if I2C + select SND_SOC_TAS571X if I2C select SND_SOC_TFA9879 if I2C select SND_SOC_TLV320AIC23_I2C if I2C select SND_SOC_TLV320AIC23_SPI if SPI_MASTER @@ -611,6 +612,10 @@ config SND_SOC_TAS5086 tristate "Texas Instruments TAS5086 speaker amplifier" depends on I2C +config SND_SOC_TAS571X + tristate "Texas Instruments TAS5711/TAS5717/TAS5719 power amplifiers" + depends on I2C + config SND_SOC_TFA9879 tristate "NXP Semiconductors TFA9879 amplifier" depends on I2C diff --git a/sound/soc/codecs/Makefile b/sound/soc/codecs/Makefile index abe2d7edf65c..3dcf5ac85e89 100644 --- a/sound/soc/codecs/Makefile +++ b/sound/soc/codecs/Makefile @@ -106,6 +106,7 @@ snd-soc-sta350-objs := sta350.o snd-soc-sta529-objs := sta529.o snd-soc-stac9766-objs := stac9766.o snd-soc-tas5086-objs := tas5086.o +snd-soc-tas571x-objs := tas571x.o snd-soc-tfa9879-objs := tfa9879.o snd-soc-tlv320aic23-objs := tlv320aic23.o snd-soc-tlv320aic23-i2c-objs := tlv320aic23-i2c.o @@ -288,6 +289,7 @@ obj-$(CONFIG_SND_SOC_STA529) += snd-soc-sta529.o obj-$(CONFIG_SND_SOC_STAC9766) += snd-soc-stac9766.o obj-$(CONFIG_SND_SOC_TAS2552) += snd-soc-tas2552.o obj-$(CONFIG_SND_SOC_TAS5086) += snd-soc-tas5086.o +obj-$(CONFIG_SND_SOC_TAS571X) += snd-soc-tas571x.o obj-$(CONFIG_SND_SOC_TFA9879) += snd-soc-tfa9879.o obj-$(CONFIG_SND_SOC_TLV320AIC23) += snd-soc-tlv320aic23.o obj-$(CONFIG_SND_SOC_TLV320AIC23_I2C) += snd-soc-tlv320aic23-i2c.o diff --git a/sound/soc/codecs/tas571x.c b/sound/soc/codecs/tas571x.c new file mode 100644 index 000000000000..ffdf48397491 --- /dev/null +++ b/sound/soc/codecs/tas571x.c @@ -0,0 +1,520 @@ +/* + * TAS571x amplifier audio driver + * + * Copyright (C) 2015 Google, Inc. + * Copyright (c) 2013 Daniel Mack + * + * This program is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License as published by + * the Free Software Foundation; either version 2 of the License, or + * (at your option) any later version. + */ + +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include + +#include "tas571x.h" + +#define TAS571X_MAX_SUPPLIES 6 + +struct tas571x_chip { + const char *const *supply_names; + int num_supply_names; + const struct snd_kcontrol_new *controls; + int num_controls; + const struct regmap_config *regmap_config; + int vol_reg_size; +}; + +struct tas571x_private { + const struct tas571x_chip *chip; + struct regmap *regmap; + struct regulator_bulk_data supplies[TAS571X_MAX_SUPPLIES]; + struct clk *mclk; + unsigned int format; + struct gpio_desc *reset_gpio; + struct gpio_desc *pdn_gpio; + struct snd_soc_codec_driver codec_driver; +}; + +static int tas571x_register_size(struct tas571x_private *priv, unsigned int reg) +{ + switch (reg) { + case TAS571X_MVOL_REG: + case TAS571X_CH1_VOL_REG: + case TAS571X_CH2_VOL_REG: + return priv->chip->vol_reg_size; + default: + return 1; + } +} + +static int tas571x_reg_write(void *context, unsigned int reg, + unsigned int value) +{ + struct i2c_client *client = context; + struct tas571x_private *priv = i2c_get_clientdata(client); + unsigned int i, size; + uint8_t buf[5]; + int ret; + + size = tas571x_register_size(priv, reg); + buf[0] = reg; + + for (i = size; i >= 1; --i) { + buf[i] = value; + value >>= 8; + } + + ret = i2c_master_send(client, buf, size + 1); + if (ret == size + 1) + return 0; + else if (ret < 0) + return ret; + else + return -EIO; +} + +static int tas571x_reg_read(void *context, unsigned int reg, + unsigned int *value) +{ + struct i2c_client *client = context; + struct tas571x_private *priv = i2c_get_clientdata(client); + uint8_t send_buf, recv_buf[4]; + struct i2c_msg msgs[2]; + unsigned int size; + unsigned int i; + int ret; + + size = tas571x_register_size(priv, reg); + send_buf = reg; + + msgs[0].addr = client->addr; + msgs[0].len = sizeof(send_buf); + msgs[0].buf = &send_buf; + msgs[0].flags = 0; + + msgs[1].addr = client->addr; + msgs[1].len = size; + msgs[1].buf = recv_buf; + msgs[1].flags = I2C_M_RD; + + ret = i2c_transfer(client->adapter, msgs, ARRAY_SIZE(msgs)); + if (ret < 0) + return ret; + else if (ret != ARRAY_SIZE(msgs)) + return -EIO; + + *value = 0; + + for (i = 0; i < size; i++) { + *value <<= 8; + *value |= recv_buf[i]; + } + + return 0; +} + +static int tas571x_set_dai_fmt(struct snd_soc_dai *dai, unsigned int format) +{ + struct tas571x_private *priv = snd_soc_codec_get_drvdata(dai->codec); + + priv->format = format; + + return 0; +} + +static int tas571x_hw_params(struct snd_pcm_substream *substream, + struct snd_pcm_hw_params *params, + struct snd_soc_dai *dai) +{ + struct tas571x_private *priv = snd_soc_codec_get_drvdata(dai->codec); + u32 val; + + switch (priv->format & SND_SOC_DAIFMT_FORMAT_MASK) { + case SND_SOC_DAIFMT_RIGHT_J: + val = 0x00; + break; + case SND_SOC_DAIFMT_I2S: + val = 0x03; + break; + case SND_SOC_DAIFMT_LEFT_J: + val = 0x06; + break; + default: + return -EINVAL; + } + + if (params_width(params) >= 24) + val += 2; + else if (params_width(params) >= 20) + val += 1; + + return regmap_update_bits(priv->regmap, TAS571X_SDI_REG, + TAS571X_SDI_FMT_MASK, val); +} + +static int tas571x_set_bias_level(struct snd_soc_codec *codec, + enum snd_soc_bias_level level) +{ + struct tas571x_private *priv = snd_soc_codec_get_drvdata(codec); + int ret; + + switch (level) { + case SND_SOC_BIAS_ON: + break; + case SND_SOC_BIAS_PREPARE: + break; + case SND_SOC_BIAS_STANDBY: + if (codec->dapm.bias_level == SND_SOC_BIAS_OFF) { + if (!IS_ERR(priv->mclk)) { + ret = clk_prepare_enable(priv->mclk); + if (ret) { + dev_err(codec->dev, + "Failed to enable master clock: %d\n", + ret); + return ret; + } + } + + gpiod_set_value(priv->pdn_gpio, 0); + usleep_range(5000, 6000); + + regcache_cache_only(priv->regmap, false); + ret = regcache_sync(priv->regmap); + if (ret) + return ret; + } + break; + case SND_SOC_BIAS_OFF: + regcache_cache_only(priv->regmap, true); + gpiod_set_value(priv->pdn_gpio, 1); + + if (!IS_ERR(priv->mclk)) + clk_disable_unprepare(priv->mclk); + break; + } + + codec->dapm.bias_level = level; + return 0; +} + +static const struct snd_soc_dai_ops tas571x_dai_ops = { + .set_fmt = tas571x_set_dai_fmt, + .hw_params = tas571x_hw_params, +}; + +static const char *const tas5711_supply_names[] = { + "AVDD", + "DVDD", + "PVDD_A", + "PVDD_B", + "PVDD_C", + "PVDD_D", +}; + +static const DECLARE_TLV_DB_SCALE(tas5711_volume_tlv, -10350, 50, 1); + +static const struct snd_kcontrol_new tas5711_controls[] = { + SOC_SINGLE_TLV("Master Volume", + TAS571X_MVOL_REG, + 0, 0xff, 1, tas5711_volume_tlv), + SOC_DOUBLE_R_TLV("Speaker Volume", + TAS571X_CH1_VOL_REG, + TAS571X_CH2_VOL_REG, + 0, 0xff, 1, tas5711_volume_tlv), + SOC_DOUBLE("Speaker Switch", + TAS571X_SOFT_MUTE_REG, + TAS571X_SOFT_MUTE_CH1_SHIFT, TAS571X_SOFT_MUTE_CH2_SHIFT, + 1, 1), +}; + +static const struct reg_default tas5711_reg_defaults[] = { + { 0x04, 0x05 }, + { 0x05, 0x40 }, + { 0x06, 0x00 }, + { 0x07, 0xff }, + { 0x08, 0x30 }, + { 0x09, 0x30 }, + { 0x1b, 0x82 }, +}; + +static const struct regmap_config tas5711_regmap_config = { + .reg_bits = 8, + .val_bits = 32, + .max_register = 0xff, + .reg_read = tas571x_reg_read, + .reg_write = tas571x_reg_write, + .reg_defaults = tas5711_reg_defaults, + .num_reg_defaults = ARRAY_SIZE(tas5711_reg_defaults), + .cache_type = REGCACHE_RBTREE, +}; + +static const struct tas571x_chip tas5711_chip = { + .supply_names = tas5711_supply_names, + .num_supply_names = ARRAY_SIZE(tas5711_supply_names), + .controls = tas5711_controls, + .num_controls = ARRAY_SIZE(tas5711_controls), + .regmap_config = &tas5711_regmap_config, + .vol_reg_size = 1, +}; + +static const char *const tas5717_supply_names[] = { + "AVDD", + "DVDD", + "HPVDD", + "PVDD_AB", + "PVDD_CD", +}; + +static const DECLARE_TLV_DB_SCALE(tas5717_volume_tlv, -10375, 25, 0); + +static const struct snd_kcontrol_new tas5717_controls[] = { + /* MVOL LSB is ignored - see comments in tas571x_i2c_probe() */ + SOC_SINGLE_TLV("Master Volume", + TAS571X_MVOL_REG, 1, 0x1ff, 1, + tas5717_volume_tlv), + SOC_DOUBLE_R_TLV("Speaker Volume", + TAS571X_CH1_VOL_REG, TAS571X_CH2_VOL_REG, + 1, 0x1ff, 1, tas5717_volume_tlv), + SOC_DOUBLE("Speaker Switch", + TAS571X_SOFT_MUTE_REG, + TAS571X_SOFT_MUTE_CH1_SHIFT, TAS571X_SOFT_MUTE_CH2_SHIFT, + 1, 1), +}; + +static const struct reg_default tas5717_reg_defaults[] = { + { 0x04, 0x05 }, + { 0x05, 0x40 }, + { 0x06, 0x00 }, + { 0x07, 0x03ff }, + { 0x08, 0x00c0 }, + { 0x09, 0x00c0 }, + { 0x1b, 0x82 }, +}; + +static const struct regmap_config tas5717_regmap_config = { + .reg_bits = 8, + .val_bits = 32, + .max_register = 0xff, + .reg_read = tas571x_reg_read, + .reg_write = tas571x_reg_write, + .reg_defaults = tas5717_reg_defaults, + .num_reg_defaults = ARRAY_SIZE(tas5717_reg_defaults), + .cache_type = REGCACHE_RBTREE, +}; + +/* This entry is reused for tas5719 as the software interface is identical. */ +static const struct tas571x_chip tas5717_chip = { + .supply_names = tas5717_supply_names, + .num_supply_names = ARRAY_SIZE(tas5717_supply_names), + .controls = tas5717_controls, + .num_controls = ARRAY_SIZE(tas5717_controls), + .regmap_config = &tas5717_regmap_config, + .vol_reg_size = 2, +}; + +static const struct snd_soc_dapm_widget tas571x_dapm_widgets[] = { + SND_SOC_DAPM_DAC("DACL", NULL, SND_SOC_NOPM, 0, 0), + SND_SOC_DAPM_DAC("DACR", NULL, SND_SOC_NOPM, 0, 0), + + SND_SOC_DAPM_OUTPUT("OUT_A"), + SND_SOC_DAPM_OUTPUT("OUT_B"), + SND_SOC_DAPM_OUTPUT("OUT_C"), + SND_SOC_DAPM_OUTPUT("OUT_D"), +}; + +static const struct snd_soc_dapm_route tas571x_dapm_routes[] = { + { "DACL", NULL, "Playback" }, + { "DACR", NULL, "Playback" }, + + { "OUT_A", NULL, "DACL" }, + { "OUT_B", NULL, "DACL" }, + { "OUT_C", NULL, "DACR" }, + { "OUT_D", NULL, "DACR" }, +}; + +static const struct snd_soc_codec_driver tas571x_codec = { + .set_bias_level = tas571x_set_bias_level, + .idle_bias_off = true, + + .dapm_widgets = tas571x_dapm_widgets, + .num_dapm_widgets = ARRAY_SIZE(tas571x_dapm_widgets), + .dapm_routes = tas571x_dapm_routes, + .num_dapm_routes = ARRAY_SIZE(tas571x_dapm_routes), +}; + +static struct snd_soc_dai_driver tas571x_dai = { + .name = "tas571x-hifi", + .playback = { + .stream_name = "Playback", + .channels_min = 2, + .channels_max = 2, + .rates = SNDRV_PCM_RATE_8000_48000, + .formats = SNDRV_PCM_FMTBIT_S32_LE | + SNDRV_PCM_FMTBIT_S24_LE | + SNDRV_PCM_FMTBIT_S16_LE, + }, + .ops = &tas571x_dai_ops, +}; + +static const struct of_device_id tas571x_of_match[]; + +static int tas571x_i2c_probe(struct i2c_client *client, + const struct i2c_device_id *id) +{ + struct tas571x_private *priv; + struct device *dev = &client->dev; + int i, ret; + + priv = devm_kzalloc(dev, sizeof(*priv), GFP_KERNEL); + if (!priv) + return -ENOMEM; + i2c_set_clientdata(client, priv); + + if (dev->of_node) { + const struct of_device_id *of_id; + + of_id = of_match_device(tas571x_of_match, dev); + if (of_id) + priv->chip = of_id->data; + } + + if (!priv->chip) { + dev_err(dev, "Unknown device type\n"); + return -EINVAL; + } + + priv->mclk = devm_clk_get(dev, "mclk"); + if (IS_ERR(priv->mclk) && PTR_ERR(priv->mclk) != -ENOENT) { + dev_err(dev, "Failed to request mclk: %ld\n", + PTR_ERR(priv->mclk)); + return PTR_ERR(priv->mclk); + } + + BUG_ON(priv->chip->num_supply_names > TAS571X_MAX_SUPPLIES); + for (i = 0; i < priv->chip->num_supply_names; i++) + priv->supplies[i].supply = priv->chip->supply_names[i]; + + ret = devm_regulator_bulk_get(dev, priv->chip->num_supply_names, + priv->supplies); + if (ret) { + dev_err(dev, "Failed to get supplies: %d\n", ret); + return ret; + } + ret = regulator_bulk_enable(priv->chip->num_supply_names, + priv->supplies); + if (ret) { + dev_err(dev, "Failed to enable supplies: %d\n", ret); + return ret; + } + + priv->regmap = devm_regmap_init(dev, NULL, client, + priv->chip->regmap_config); + if (IS_ERR(priv->regmap)) + return PTR_ERR(priv->regmap); + + priv->pdn_gpio = devm_gpiod_get_optional(dev, "pdn", GPIOD_OUT_LOW); + if (IS_ERR(priv->pdn_gpio)) { + dev_err(dev, "error requesting pdn_gpio: %ld\n", + PTR_ERR(priv->pdn_gpio)); + return PTR_ERR(priv->pdn_gpio); + } + + priv->reset_gpio = devm_gpiod_get_optional(dev, "reset", + GPIOD_OUT_HIGH); + if (IS_ERR(priv->reset_gpio)) { + dev_err(dev, "error requesting reset_gpio: %ld\n", + PTR_ERR(priv->reset_gpio)); + return PTR_ERR(priv->reset_gpio); + } else if (priv->reset_gpio) { + /* pulse the active low reset line for ~100us */ + usleep_range(100, 200); + gpiod_set_value(priv->reset_gpio, 0); + usleep_range(12000, 20000); + } + + ret = regmap_write(priv->regmap, TAS571X_OSC_TRIM_REG, 0); + if (ret) + return ret; + + ret = regmap_update_bits(priv->regmap, TAS571X_SYS_CTRL_2_REG, + TAS571X_SYS_CTRL_2_SDN_MASK, 0); + if (ret) + return ret; + + memcpy(&priv->codec_driver, &tas571x_codec, sizeof(priv->codec_driver)); + priv->codec_driver.controls = priv->chip->controls; + priv->codec_driver.num_controls = priv->chip->num_controls; + + if (priv->chip->vol_reg_size == 2) { + /* + * The master volume defaults to 0x3ff (mute), but we ignore + * (zero) the LSB because the hardware step size is 0.125 dB + * and TLV_DB_SCALE_ITEM has a resolution of 0.01 dB. + */ + ret = regmap_update_bits(priv->regmap, TAS571X_MVOL_REG, 1, 0); + if (ret) + return ret; + } + + regcache_cache_only(priv->regmap, true); + gpiod_set_value(priv->pdn_gpio, 1); + + return snd_soc_register_codec(&client->dev, &priv->codec_driver, + &tas571x_dai, 1); +} + +static int tas571x_i2c_remove(struct i2c_client *client) +{ + struct tas571x_private *priv = i2c_get_clientdata(client); + + snd_soc_unregister_codec(&client->dev); + regulator_bulk_disable(priv->chip->num_supply_names, priv->supplies); + + return 0; +} + +static const struct of_device_id tas571x_of_match[] = { + { .compatible = "ti,tas5711", .data = &tas5711_chip, }, + { .compatible = "ti,tas5717", .data = &tas5717_chip, }, + { .compatible = "ti,tas5719", .data = &tas5717_chip, }, + { } +}; +MODULE_DEVICE_TABLE(of, tas571x_of_match); + +static const struct i2c_device_id tas571x_i2c_id[] = { + { "tas5711", 0 }, + { "tas5717", 0 }, + { "tas5719", 0 }, + { } +}; +MODULE_DEVICE_TABLE(i2c, tas571x_i2c_id); + +static struct i2c_driver tas571x_i2c_driver = { + .driver = { + .name = "tas571x", + .of_match_table = of_match_ptr(tas571x_of_match), + }, + .probe = tas571x_i2c_probe, + .remove = tas571x_i2c_remove, + .id_table = tas571x_i2c_id, +}; +module_i2c_driver(tas571x_i2c_driver); + +MODULE_DESCRIPTION("ASoC TAS571x driver"); +MODULE_AUTHOR("Kevin Cernekee "); +MODULE_LICENSE("GPL"); diff --git a/sound/soc/codecs/tas571x.h b/sound/soc/codecs/tas571x.h new file mode 100644 index 000000000000..0aee471232cd --- /dev/null +++ b/sound/soc/codecs/tas571x.h @@ -0,0 +1,33 @@ +/* + * TAS571x amplifier audio driver + * + * Copyright (C) 2015 Google, Inc. + * + * This program is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License as published by + * the Free Software Foundation; either version 2 of the License, or + * (at your option) any later version. + */ + +#ifndef _TAS571X_H +#define _TAS571X_H + +/* device registers */ +#define TAS571X_SDI_REG 0x04 +#define TAS571X_SDI_FMT_MASK 0x0f + +#define TAS571X_SYS_CTRL_2_REG 0x05 +#define TAS571X_SYS_CTRL_2_SDN_MASK 0x40 + +#define TAS571X_SOFT_MUTE_REG 0x06 +#define TAS571X_SOFT_MUTE_CH1_SHIFT 0 +#define TAS571X_SOFT_MUTE_CH2_SHIFT 1 +#define TAS571X_SOFT_MUTE_CH3_SHIFT 2 + +#define TAS571X_MVOL_REG 0x07 +#define TAS571X_CH1_VOL_REG 0x08 +#define TAS571X_CH2_VOL_REG 0x09 + +#define TAS571X_OSC_TRIM_REG 0x1b + +#endif /* _TAS571X_H */ -- cgit v1.2.3 From 217e0ca9c8623e4fb8b768e738f8e59dc56d3eb6 Mon Sep 17 00:00:00 2001 From: Kevin Cernekee Date: Sun, 3 May 2015 17:00:19 -0700 Subject: MAINTAINERS: Add entry for tas571x ASoC codec driver Add self as maintainer for the new driver. Signed-off-by: Kevin Cernekee Signed-off-by: Mark Brown --- MAINTAINERS | 6 ++++++ 1 file changed, 6 insertions(+) diff --git a/MAINTAINERS b/MAINTAINERS index 2e5bbc0d68b2..9a632154c8cd 100644 --- a/MAINTAINERS +++ b/MAINTAINERS @@ -9884,6 +9884,12 @@ L: netdev@vger.kernel.org S: Maintained F: drivers/net/ethernet/ti/netcp* +TI TAS571X FAMILY ASoC CODEC DRIVER +M: Kevin Cernekee +L: alsa-devel@alsa-project.org (moderated for non-subscribers) +S: Odd Fixes +F: sound/soc/codecs/tas571x* + TI TWL4030 SERIES SOC CODEC DRIVER M: Peter Ujfalusi L: alsa-devel@alsa-project.org (moderated for non-subscribers) -- cgit v1.2.3 From 5676f5c3fde96ce36ac3839145eccd83671e2112 Mon Sep 17 00:00:00 2001 From: Mark Brown Date: Mon, 4 May 2015 12:51:38 +0100 Subject: ASoC: tas751x: Factor setting of new bias level into the core Signed-off-by: Mark Brown --- sound/soc/codecs/tas571x.c | 1 - 1 file changed, 1 deletion(-) diff --git a/sound/soc/codecs/tas571x.c b/sound/soc/codecs/tas571x.c index ffdf48397491..b187ea53a7f9 100644 --- a/sound/soc/codecs/tas571x.c +++ b/sound/soc/codecs/tas571x.c @@ -208,7 +208,6 @@ static int tas571x_set_bias_level(struct snd_soc_codec *codec, break; } - codec->dapm.bias_level = level; return 0; } -- cgit v1.2.3 From 97fceb4db529bb0ae6cab15fb34f59471cdd8c23 Mon Sep 17 00:00:00 2001 From: Kevin Cernekee Date: Tue, 5 May 2015 15:52:29 -0700 Subject: ASoC: tas571x: Eliminate redundant dev->of_node NULL check of_match_device() checks if dev->of_node is NULL, so we don't need to do it again in the probe function. Signed-off-by: Kevin Cernekee Signed-off-by: Mark Brown --- sound/soc/codecs/tas571x.c | 13 ++++--------- 1 file changed, 4 insertions(+), 9 deletions(-) diff --git a/sound/soc/codecs/tas571x.c b/sound/soc/codecs/tas571x.c index b187ea53a7f9..85bcc374c8e8 100644 --- a/sound/soc/codecs/tas571x.c +++ b/sound/soc/codecs/tas571x.c @@ -377,6 +377,7 @@ static int tas571x_i2c_probe(struct i2c_client *client, { struct tas571x_private *priv; struct device *dev = &client->dev; + const struct of_device_id *of_id; int i, ret; priv = devm_kzalloc(dev, sizeof(*priv), GFP_KERNEL); @@ -384,18 +385,12 @@ static int tas571x_i2c_probe(struct i2c_client *client, return -ENOMEM; i2c_set_clientdata(client, priv); - if (dev->of_node) { - const struct of_device_id *of_id; - - of_id = of_match_device(tas571x_of_match, dev); - if (of_id) - priv->chip = of_id->data; - } - - if (!priv->chip) { + of_id = of_match_device(tas571x_of_match, dev); + if (!of_id) { dev_err(dev, "Unknown device type\n"); return -EINVAL; } + priv->chip = of_id->data; priv->mclk = devm_clk_get(dev, "mclk"); if (IS_ERR(priv->mclk) && PTR_ERR(priv->mclk) != -ENOENT) { -- cgit v1.2.3 From c9eac46254f06b89e082fafefea389aaca8584bd Mon Sep 17 00:00:00 2001 From: Axel Lin Date: Sat, 9 May 2015 23:09:32 +0800 Subject: ASoC: sta350: Use devm_gpiod_get_optional at appropriate place devm_gpiod_get_optional is equivalent to devm_gpiod_get(), except that when no GPIO was assigned to the requested function it will return NULL. This is convenient for drivers that need to handle optional GPIOs. I just checked the code in commit 34d7c3905adb9a9 ("ASoC: improve usage of gpiod API") and found that it should use devm_gpiod_get_optional rather than devm_gpiod_get here. Signed-off-by: Axel Lin Signed-off-by: Mark Brown --- sound/soc/codecs/sta350.c | 4 ++-- 1 file changed, 2 insertions(+), 2 deletions(-) diff --git a/sound/soc/codecs/sta350.c b/sound/soc/codecs/sta350.c index 669e3228241e..cc67a24c6e31 100644 --- a/sound/soc/codecs/sta350.c +++ b/sound/soc/codecs/sta350.c @@ -1218,8 +1218,8 @@ static int sta350_i2c_probe(struct i2c_client *i2c, if (IS_ERR(sta350->gpiod_nreset)) return PTR_ERR(sta350->gpiod_nreset); - sta350->gpiod_power_down = devm_gpiod_get(dev, "power-down", - GPIOD_OUT_LOW); + sta350->gpiod_power_down = devm_gpiod_get_optional(dev, "power-down", + GPIOD_OUT_LOW); if (IS_ERR(sta350->gpiod_power_down)) return PTR_ERR(sta350->gpiod_power_down); -- cgit v1.2.3 From a650bb3422acb1fc96d7af28dce1ddde2fb8eb86 Mon Sep 17 00:00:00 2001 From: "Fang, Yang A" Date: Fri, 29 May 2015 11:56:11 -0700 Subject: ASoC: ts3a227e: use device property api replace of_property_read_u32 with device_property_read_u32 Signed-off-by: Fang, Yang A Signed-off-by: Mark Brown --- sound/soc/codecs/ts3a227e.c | 15 +++++++-------- 1 file changed, 7 insertions(+), 8 deletions(-) diff --git a/sound/soc/codecs/ts3a227e.c b/sound/soc/codecs/ts3a227e.c index 9fd80ac1897f..12232d7db4c5 100644 --- a/sound/soc/codecs/ts3a227e.c +++ b/sound/soc/codecs/ts3a227e.c @@ -254,12 +254,13 @@ static const struct regmap_config ts3a227e_regmap_config = { .num_reg_defaults = ARRAY_SIZE(ts3a227e_reg_defaults), }; -static int ts3a227e_parse_dt(struct ts3a227e *ts3a227e, struct device_node *np) +static int ts3a227e_parse_device_property(struct ts3a227e *ts3a227e, + struct device *dev) { u32 micbias; int err; - err = of_property_read_u32(np, "ti,micbias", &micbias); + err = device_property_read_u32(dev, "ti,micbias", &micbias); if (!err) { regmap_update_bits(ts3a227e->regmap, TS3A227E_REG_SETTING_3, MICBIAS_SETTING_MASK, @@ -287,12 +288,10 @@ static int ts3a227e_i2c_probe(struct i2c_client *i2c, if (IS_ERR(ts3a227e->regmap)) return PTR_ERR(ts3a227e->regmap); - if (dev->of_node) { - ret = ts3a227e_parse_dt(ts3a227e, dev->of_node); - if (ret) { - dev_err(dev, "Failed to parse device tree: %d\n", ret); - return ret; - } + ret = ts3a227e_parse_device_property(ts3a227e, dev); + if (ret) { + dev_err(dev, "Failed to parse device property: %d\n", ret); + return ret; } ret = devm_request_threaded_irq(dev, i2c->irq, NULL, ts3a227e_interrupt, -- cgit v1.2.3 From ea178d1456dcf88875d5edd148f2df8ea0de1794 Mon Sep 17 00:00:00 2001 From: Peter Ujfalusi Date: Thu, 4 Jun 2015 16:04:13 +0300 Subject: ASoC: tas2552: Make the enable-gpio really optional Do not fail the probe if the enable-gpio is not specifiedbut handle deferred probe case. Signed-off-by: Peter Ujfalusi Signed-off-by: Mark Brown --- sound/soc/codecs/tas2552.c | 8 ++++++-- 1 file changed, 6 insertions(+), 2 deletions(-) diff --git a/sound/soc/codecs/tas2552.c b/sound/soc/codecs/tas2552.c index dfb4ff5cc9ea..ff82f46ba504 100644 --- a/sound/soc/codecs/tas2552.c +++ b/sound/soc/codecs/tas2552.c @@ -486,8 +486,12 @@ static int tas2552_probe(struct i2c_client *client, return -ENOMEM; data->enable_gpio = devm_gpiod_get(dev, "enable", GPIOD_OUT_LOW); - if (IS_ERR(data->enable_gpio)) - return PTR_ERR(data->enable_gpio); + if (IS_ERR(data->enable_gpio)) { + if (PTR_ERR(data->enable_gpio) == -EPROBE_DEFER) + return -EPROBE_DEFER; + + data->enable_gpio = NULL;; + } data->tas2552_client = client; data->regmap = devm_regmap_init_i2c(client, &tas2552_regmap_config); -- cgit v1.2.3 From 80ba2669ec8c3e6517aa935001f6cb8809bf3df4 Mon Sep 17 00:00:00 2001 From: Peter Ujfalusi Date: Thu, 4 Jun 2015 16:04:14 +0300 Subject: ASoC: tas2552: Fix kernel crash when the codec is loaded but not part of a card If the card is not part of any card the tas_data->codec is NULL since it is set only during snd_soc_codec_driver.probe, which is not yet called. Signed-off-by: Peter Ujfalusi Signed-off-by: Mark Brown Cc: stable@vger.kernel.org --- sound/soc/codecs/tas2552.c | 3 +++ 1 file changed, 3 insertions(+) diff --git a/sound/soc/codecs/tas2552.c b/sound/soc/codecs/tas2552.c index ff82f46ba504..df89947f1032 100644 --- a/sound/soc/codecs/tas2552.c +++ b/sound/soc/codecs/tas2552.c @@ -120,6 +120,9 @@ static void tas2552_sw_shutdown(struct tas2552_data *tas_data, int sw_shutdown) { u8 cfg1_reg; + if (!tas_data->codec) + return; + if (sw_shutdown) cfg1_reg = 0; else -- cgit v1.2.3 From 1cf0f44811b754b64283b11ef0e60cb0de07b29c Mon Sep 17 00:00:00 2001 From: Peter Ujfalusi Date: Thu, 4 Jun 2015 16:04:15 +0300 Subject: ASoC: tas2552: Fix kernel crash caused by wrong kcontrol entry SOC_DAPM_SINGLE("Playback AMP", ..) should not be under kcontrols. It causes kernel crash (NULL pointer) when the mixers are listed. Signed-off-by: Peter Ujfalusi Signed-off-by: Mark Brown Cc: stable@vger.kernel.org --- sound/soc/codecs/tas2552.c | 1 - 1 file changed, 1 deletion(-) diff --git a/sound/soc/codecs/tas2552.c b/sound/soc/codecs/tas2552.c index df89947f1032..9954bd4c14f3 100644 --- a/sound/soc/codecs/tas2552.c +++ b/sound/soc/codecs/tas2552.c @@ -338,7 +338,6 @@ static DECLARE_TLV_DB_SCALE(dac_tlv, -7, 100, 24); static const struct snd_kcontrol_new tas2552_snd_controls[] = { SOC_SINGLE_TLV("Speaker Driver Playback Volume", TAS2552_PGA_GAIN, 0, 0x1f, 1, dac_tlv), - SOC_DAPM_SINGLE("Playback AMP", SND_SOC_NOPM, 0, 1, 0), }; static const struct reg_default tas2552_init_regs[] = { -- cgit v1.2.3 From 89683fdefdd74828145b9d18333761cc975143f8 Mon Sep 17 00:00:00 2001 From: Peter Ujfalusi Date: Thu, 4 Jun 2015 16:04:16 +0300 Subject: ASoC: tas2552: Correct PDM configuration register bit definitions The PDM clock can be selected via bit0-1. PDM_DATA_ES bit is at bit2. The code were trying to select BCLK as PDM reference clock but instead it was selecting PLL and set the DATA_ES bit to 1. Selecting the PLL output as reference clock as default does make sense, but the driver should not change the PDM data edge. Signed-off-by: Peter Ujfalusi Signed-off-by: Mark Brown --- sound/soc/codecs/tas2552.c | 2 +- sound/soc/codecs/tas2552.h | 12 ++++++------ 2 files changed, 7 insertions(+), 7 deletions(-) diff --git a/sound/soc/codecs/tas2552.c b/sound/soc/codecs/tas2552.c index 9954bd4c14f3..07a0ec03905d 100644 --- a/sound/soc/codecs/tas2552.c +++ b/sound/soc/codecs/tas2552.c @@ -376,7 +376,7 @@ static int tas2552_codec_probe(struct snd_soc_codec *codec) TAS2552_DIN_SRC_SEL_AVG_L_R | TAS2552_88_96KHZ); snd_soc_write(codec, TAS2552_DOUT, TAS2552_PDM_DATA_I); snd_soc_write(codec, TAS2552_OUTPUT_DATA, TAS2552_PDM_DATA_V_I | 0x8); - snd_soc_write(codec, TAS2552_PDM_CFG, TAS2552_PDM_BCLK_SEL); + snd_soc_write(codec, TAS2552_PDM_CFG, TAS2552_PDM_CLK_SEL_PLL); snd_soc_write(codec, TAS2552_BOOST_PT_CTRL, TAS2552_APT_DELAY_200 | TAS2552_APT_THRESH_2_1_7); diff --git a/sound/soc/codecs/tas2552.h b/sound/soc/codecs/tas2552.h index 6cea8f31bf88..938d90f1cab9 100644 --- a/sound/soc/codecs/tas2552.h +++ b/sound/soc/codecs/tas2552.h @@ -99,12 +99,12 @@ #define TAS2552_PDM_DATA_V_I (0x11 << 6) /* PDM CFG Register */ -#define TAS2552_PDM_DATA_ES_RISE 0x4 - -#define TAS2552_PDM_PLL_CLK_SEL 0x00 -#define TAS2552_PDM_IV_CLK_SEL (1 << 1) -#define TAS2552_PDM_BCLK_SEL (1 << 2) -#define TAS2552_PDM_MCLK_SEL (1 << 3) +#define TAS2552_PDM_CLK_SEL_PLL (0x0 << 0) +#define TAS2552_PDM_CLK_SEL_IVCLKIN (0x1 << 0) +#define TAS2552_PDM_CLK_SEL_BCLK (0x2 << 0) +#define TAS2552_PDM_CLK_SEL_MCLK (0x3 << 0) +#define TAS2552_PDM_CLK_SEL_MASK TAS2552_PDM_CLK_SEL_MCLK +#define TAS2552_PDM_DATA_ES (1 << 2) /* Boost pass-through register */ #define TAS2552_APT_DELAY_50 0x00 -- cgit v1.2.3 From 7de544fd3275a136b311bfce9fe4406a1518d488 Mon Sep 17 00:00:00 2001 From: Peter Ujfalusi Date: Thu, 4 Jun 2015 16:04:17 +0300 Subject: ASoC: tas2552: Correct CFG1 register bit definitions Remove the _MASK postfix of the bit definitions, collect the CFG1 bit definition in one place and correct the bit shifts at the same time. Signed-off-by: Peter Ujfalusi Signed-off-by: Mark Brown --- sound/soc/codecs/tas2552.c | 14 +++++++------- sound/soc/codecs/tas2552.h | 17 ++++++++--------- 2 files changed, 15 insertions(+), 16 deletions(-) diff --git a/sound/soc/codecs/tas2552.c b/sound/soc/codecs/tas2552.c index 07a0ec03905d..681b868a9e8c 100644 --- a/sound/soc/codecs/tas2552.c +++ b/sound/soc/codecs/tas2552.c @@ -126,10 +126,10 @@ static void tas2552_sw_shutdown(struct tas2552_data *tas_data, int sw_shutdown) if (sw_shutdown) cfg1_reg = 0; else - cfg1_reg = TAS2552_SWS_MASK; + cfg1_reg = TAS2552_SWS; - snd_soc_update_bits(tas_data->codec, TAS2552_CFG_1, - TAS2552_SWS_MASK, cfg1_reg); + snd_soc_update_bits(tas_data->codec, TAS2552_CFG_1, TAS2552_SWS, + cfg1_reg); } #endif @@ -258,11 +258,11 @@ static int tas2552_mute(struct snd_soc_dai *dai, int mute) struct snd_soc_codec *codec = dai->codec; if (mute) - cfg1_reg = TAS2552_MUTE_MASK; + cfg1_reg = TAS2552_MUTE; else - cfg1_reg = ~TAS2552_MUTE_MASK; + cfg1_reg = ~TAS2552_MUTE; - snd_soc_update_bits(codec, TAS2552_CFG_1, TAS2552_MUTE_MASK, cfg1_reg); + snd_soc_update_bits(codec, TAS2552_CFG_1, TAS2552_MUTE, cfg1_reg); return 0; } @@ -370,7 +370,7 @@ static int tas2552_codec_probe(struct snd_soc_codec *codec) goto probe_fail; } - snd_soc_write(codec, TAS2552_CFG_1, TAS2552_MUTE_MASK | + snd_soc_write(codec, TAS2552_CFG_1, TAS2552_MUTE | TAS2552_PLL_SRC_BCLK); snd_soc_write(codec, TAS2552_CFG_3, TAS2552_I2S_OUT_SEL | TAS2552_DIN_SRC_SEL_AVG_L_R | TAS2552_88_96KHZ); diff --git a/sound/soc/codecs/tas2552.h b/sound/soc/codecs/tas2552.h index 938d90f1cab9..0725befb4c41 100644 --- a/sound/soc/codecs/tas2552.h +++ b/sound/soc/codecs/tas2552.h @@ -45,10 +45,14 @@ #define TAS2552_MAX_REG 0x20 /* CFG1 Register Masks */ -#define TAS2552_MUTE_MASK (1 << 2) -#define TAS2552_SWS_MASK (1 << 1) -#define TAS2552_WCLK_MASK 0x07 -#define TAS2552_CLASSD_EN_MASK (1 << 7) +#define TAS2552_DEV_RESET (1 << 0) +#define TAS2552_SWS (1 << 1) +#define TAS2552_MUTE (1 << 2) +#define TAS2552_PLL_SRC_MCLK (0x0 << 4) +#define TAS2552_PLL_SRC_BCLK (0x1 << 4) +#define TAS2552_PLL_SRC_IVCLKIN (0x2 << 4) +#define TAS2552_PLL_SRC_1_8_FIXED (0x3 << 4) +#define TAS2552_PLL_SRC_MASK TAS2552_PLL_SRC_1_8_FIXED /* CFG2 Register Masks */ #define TAS2552_CLASSD_EN (1 << 7) @@ -68,11 +72,6 @@ #define TAS2552_DAIFMT_RIGHT_J (1 << 4) #define TAS2552_DAIFMT_LEFT_J (0x11 << 3) -#define TAS2552_PLL_SRC_MCLK 0x00 -#define TAS2552_PLL_SRC_BCLK (1 << 3) -#define TAS2552_PLL_SRC_IVCLKIN (1 << 4) -#define TAS2552_PLL_SRC_1_8_FIXED (0x11 << 3) - #define TAS2552_DIN_SRC_SEL_MUTED 0x00 #define TAS2552_DIN_SRC_SEL_LEFT (1 << 4) #define TAS2552_DIN_SRC_SEL_RIGHT (1 << 5) -- cgit v1.2.3 From e3606aa496c98595cb206ac8fed9bc8152ffe34e Mon Sep 17 00:00:00 2001 From: Peter Ujfalusi Date: Thu, 4 Jun 2015 16:04:18 +0300 Subject: ASoC: tas2552: Simplify the tas2552_mute function Initialize the cfg1_reg to 0 and set the mute bit only when it is needed. Signed-off-by: Peter Ujfalusi Signed-off-by: Mark Brown --- sound/soc/codecs/tas2552.c | 6 ++---- 1 file changed, 2 insertions(+), 4 deletions(-) diff --git a/sound/soc/codecs/tas2552.c b/sound/soc/codecs/tas2552.c index 681b868a9e8c..2d52a397161d 100644 --- a/sound/soc/codecs/tas2552.c +++ b/sound/soc/codecs/tas2552.c @@ -254,13 +254,11 @@ static int tas2552_set_dai_sysclk(struct snd_soc_dai *dai, int clk_id, static int tas2552_mute(struct snd_soc_dai *dai, int mute) { - u8 cfg1_reg; + u8 cfg1_reg = 0; struct snd_soc_codec *codec = dai->codec; if (mute) - cfg1_reg = TAS2552_MUTE; - else - cfg1_reg = ~TAS2552_MUTE; + cfg1_reg |= TAS2552_MUTE; snd_soc_update_bits(codec, TAS2552_CFG_1, TAS2552_MUTE, cfg1_reg); -- cgit v1.2.3 From dd6e3053405c2fe7baa36e4fe2a12083f508abfc Mon Sep 17 00:00:00 2001 From: Peter Ujfalusi Date: Thu, 4 Jun 2015 16:04:19 +0300 Subject: ASoC: tas2552: Simplify and reverse the functionality of tas2552_sw_shutdown The function name and parameters of: tas2552_sw_shutdown(struct tas2552_data *tas_data, int sw_shutdown) implies that if sw_shutdown is 1 we should be entering to the software shutdown mode. The code can be simplified as well within the function. Signed-off-by: Peter Ujfalusi Signed-off-by: Mark Brown --- sound/soc/codecs/tas2552.c | 8 +++----- 1 file changed, 3 insertions(+), 5 deletions(-) diff --git a/sound/soc/codecs/tas2552.c b/sound/soc/codecs/tas2552.c index 2d52a397161d..61419e2f833b 100644 --- a/sound/soc/codecs/tas2552.c +++ b/sound/soc/codecs/tas2552.c @@ -118,14 +118,12 @@ static const struct snd_soc_dapm_route tas2552_audio_map[] = { #ifdef CONFIG_PM static void tas2552_sw_shutdown(struct tas2552_data *tas_data, int sw_shutdown) { - u8 cfg1_reg; + u8 cfg1_reg = 0; if (!tas_data->codec) return; if (sw_shutdown) - cfg1_reg = 0; - else cfg1_reg = TAS2552_SWS; snd_soc_update_bits(tas_data->codec, TAS2552_CFG_1, TAS2552_SWS, @@ -270,7 +268,7 @@ static int tas2552_runtime_suspend(struct device *dev) { struct tas2552_data *tas2552 = dev_get_drvdata(dev); - tas2552_sw_shutdown(tas2552, 0); + tas2552_sw_shutdown(tas2552, 1); regcache_cache_only(tas2552->regmap, true); regcache_mark_dirty(tas2552->regmap); @@ -288,7 +286,7 @@ static int tas2552_runtime_resume(struct device *dev) if (tas2552->enable_gpio) gpiod_set_value(tas2552->enable_gpio, 1); - tas2552_sw_shutdown(tas2552, 1); + tas2552_sw_shutdown(tas2552, 0); regcache_cache_only(tas2552->regmap, false); regcache_sync(tas2552->regmap); -- cgit v1.2.3 From 16bd395259cf3e9966d40478891e0e610da109d4 Mon Sep 17 00:00:00 2001 From: Peter Ujfalusi Date: Thu, 4 Jun 2015 16:04:20 +0300 Subject: ASoC: tas2552: Rename mclk parameter to pll_clkin to match with the datasheet MCLK is one of the possible source for the pll_clkin frequency. Make this clear by renaming the variable. Signed-off-by: Peter Ujfalusi Signed-off-by: Mark Brown --- sound/soc/codecs/tas2552.c | 14 +++++++------- 1 file changed, 7 insertions(+), 7 deletions(-) diff --git a/sound/soc/codecs/tas2552.c b/sound/soc/codecs/tas2552.c index 61419e2f833b..e29b29b279d9 100644 --- a/sound/soc/codecs/tas2552.c +++ b/sound/soc/codecs/tas2552.c @@ -75,7 +75,7 @@ struct tas2552_data { struct regulator_bulk_data supplies[TAS2552_NUM_SUPPLIES]; struct gpio_desc *enable_gpio; unsigned char regs[TAS2552_VBAT_DATA]; - unsigned int mclk; + unsigned int pll_clkin; }; /* Input mux controls */ @@ -141,13 +141,13 @@ static int tas2552_hw_params(struct snd_pcm_substream *substream, int d; u8 p, j; - if (!tas2552->mclk) + if (!tas2552->pll_clkin) return -EINVAL; snd_soc_update_bits(codec, TAS2552_CFG_2, TAS2552_PLL_ENABLE, 0); - if (tas2552->mclk == TAS2552_245MHZ_CLK || - tas2552->mclk == TAS2552_225MHZ_CLK) { + if (tas2552->pll_clkin == TAS2552_245MHZ_CLK || + tas2552->pll_clkin == TAS2552_225MHZ_CLK) { /* By pass the PLL configuration */ snd_soc_update_bits(codec, TAS2552_PLL_CTRL_2, TAS2552_PLL_BYPASS_MASK, @@ -171,8 +171,8 @@ static int tas2552_hw_params(struct snd_pcm_substream *substream, return -EINVAL; } - j = (pll_clk * 2 * (1 << p)) / tas2552->mclk; - d = (pll_clk * 2 * (1 << p)) % tas2552->mclk; + j = (pll_clk * 2 * (1 << p)) / tas2552->pll_clkin; + d = (pll_clk * 2 * (1 << p)) % tas2552->pll_clkin; snd_soc_update_bits(codec, TAS2552_PLL_CTRL_1, TAS2552_PLL_J_MASK, j); @@ -245,7 +245,7 @@ static int tas2552_set_dai_sysclk(struct snd_soc_dai *dai, int clk_id, struct snd_soc_codec *codec = dai->codec; struct tas2552_data *tas2552 = dev_get_drvdata(codec->dev); - tas2552->mclk = freq; + tas2552->pll_clkin = freq; return 0; } -- cgit v1.2.3 From 3715eda766a290fb8682bc2aabb2f23386f534de Mon Sep 17 00:00:00 2001 From: Peter Ujfalusi Date: Thu, 4 Jun 2015 16:04:21 +0300 Subject: ASoC: tas2552: bindings header file for tas2552 codec Binding header file for clock input selection and configuration. Signed-off-by: Peter Ujfalusi Signed-off-by: Mark Brown --- include/dt-bindings/sound/tas2552.h | 18 ++++++++++++++++++ 1 file changed, 18 insertions(+) create mode 100644 include/dt-bindings/sound/tas2552.h diff --git a/include/dt-bindings/sound/tas2552.h b/include/dt-bindings/sound/tas2552.h new file mode 100644 index 000000000000..a4e1a079980b --- /dev/null +++ b/include/dt-bindings/sound/tas2552.h @@ -0,0 +1,18 @@ +#ifndef __DT_TAS2552_H +#define __DT_TAS2552_H + +#define TAS2552_PLL_CLKIN (0) +#define TAS2552_PDM_CLK (1) +#define TAS2552_CLK_TARGET_MASK (1) + +#define TAS2552_PLL_CLKIN_MCLK ((0 << 1) | TAS2552_PLL_CLKIN) +#define TAS2552_PLL_CLKIN_BCLK ((1 << 1) | TAS2552_PLL_CLKIN) +#define TAS2552_PLL_CLKIN_IVCLKIN ((2 << 1) | TAS2552_PLL_CLKIN) +#define TAS2552_PLL_CLKIN_1_8_FIXED ((3 << 1) | TAS2552_PLL_CLKIN) + +#define TAS2552_PDM_CLK_PLL ((0 << 1) | TAS2552_PDM_CLK) +#define TAS2552_PDM_CLK_IVCLKIN ((1 << 1) | TAS2552_PDM_CLK) +#define TAS2552_PDM_CLK_BCLK ((2 << 1) | TAS2552_PDM_CLK) +#define TAS2552_PDM_CLK_MCLK ((3 << 1) | TAS2552_PDM_CLK) + +#endif /* __DT_TAS2552_H */ -- cgit v1.2.3 From 9d87a8888c0b2a3b2ec1204e0488935f021d6968 Mon Sep 17 00:00:00 2001 From: Peter Ujfalusi Date: Thu, 4 Jun 2015 16:04:22 +0300 Subject: ASoC: tas2552: Add support for pll and pdm source clock selection Instead of hard wiring the PLL_CLKIN and PDM_CLK to be sourced from BCLK add proper clock configuration via the set_dai_sysclk callback. Signed-off-by: Peter Ujfalusi Signed-off-by: Mark Brown --- sound/soc/codecs/tas2552.c | 33 +++++++++++++++++++++++++++++---- 1 file changed, 29 insertions(+), 4 deletions(-) diff --git a/sound/soc/codecs/tas2552.c b/sound/soc/codecs/tas2552.c index e29b29b279d9..34495241c674 100644 --- a/sound/soc/codecs/tas2552.c +++ b/sound/soc/codecs/tas2552.c @@ -34,6 +34,7 @@ #include #include #include +#include #include "tas2552.h" @@ -76,6 +77,7 @@ struct tas2552_data { struct gpio_desc *enable_gpio; unsigned char regs[TAS2552_VBAT_DATA]; unsigned int pll_clkin; + unsigned int pdm_clk; }; /* Input mux controls */ @@ -244,8 +246,33 @@ static int tas2552_set_dai_sysclk(struct snd_soc_dai *dai, int clk_id, { struct snd_soc_codec *codec = dai->codec; struct tas2552_data *tas2552 = dev_get_drvdata(codec->dev); + u8 reg, mask, val; + + switch (clk_id) { + case TAS2552_PLL_CLKIN_MCLK: + case TAS2552_PLL_CLKIN_BCLK: + case TAS2552_PLL_CLKIN_IVCLKIN: + case TAS2552_PLL_CLKIN_1_8_FIXED: + mask = TAS2552_PLL_SRC_MASK; + val = (clk_id << 3) & mask; /* bit 4:5 in the register */ + reg = TAS2552_CFG_1; + tas2552->pll_clkin = freq; + break; + case TAS2552_PDM_CLK_PLL: + case TAS2552_PDM_CLK_IVCLKIN: + case TAS2552_PDM_CLK_BCLK: + case TAS2552_PDM_CLK_MCLK: + mask = TAS2552_PDM_CLK_SEL_MASK; + val = (clk_id >> 1) & mask; /* bit 0:1 in the register */ + reg = TAS2552_PDM_CFG; + tas2552->pdm_clk = freq; + break; + default: + dev_err(codec->dev, "Invalid clk id: %d\n", clk_id); + return -EINVAL; + } - tas2552->pll_clkin = freq; + snd_soc_update_bits(codec, reg, mask, val); return 0; } @@ -366,13 +393,11 @@ static int tas2552_codec_probe(struct snd_soc_codec *codec) goto probe_fail; } - snd_soc_write(codec, TAS2552_CFG_1, TAS2552_MUTE | - TAS2552_PLL_SRC_BCLK); + snd_soc_write(codec, TAS2552_CFG_1, TAS2552_MUTE); snd_soc_write(codec, TAS2552_CFG_3, TAS2552_I2S_OUT_SEL | TAS2552_DIN_SRC_SEL_AVG_L_R | TAS2552_88_96KHZ); snd_soc_write(codec, TAS2552_DOUT, TAS2552_PDM_DATA_I); snd_soc_write(codec, TAS2552_OUTPUT_DATA, TAS2552_PDM_DATA_V_I | 0x8); - snd_soc_write(codec, TAS2552_PDM_CFG, TAS2552_PDM_CLK_SEL_PLL); snd_soc_write(codec, TAS2552_BOOST_PT_CTRL, TAS2552_APT_DELAY_200 | TAS2552_APT_THRESH_2_1_7); -- cgit v1.2.3 From 4c331373b99de9c65dcba8633f73fa3efc20d01f Mon Sep 17 00:00:00 2001 From: Peter Ujfalusi Date: Thu, 4 Jun 2015 16:04:23 +0300 Subject: ASoC: tas2552: Correct dai format support DSP_A mode require one bit delay from the FS, DSP_B is without data delay. When checking the requested format, also match the bit and fs inversion flag along with the format since it is not possible to change inversion. Signed-off-by: Peter Ujfalusi Signed-off-by: Mark Brown --- sound/soc/codecs/tas2552.c | 29 +++++++++++++++-------------- 1 file changed, 15 insertions(+), 14 deletions(-) diff --git a/sound/soc/codecs/tas2552.c b/sound/soc/codecs/tas2552.c index 34495241c674..2f4c2b52a9fa 100644 --- a/sound/soc/codecs/tas2552.c +++ b/sound/soc/codecs/tas2552.c @@ -188,11 +188,14 @@ static int tas2552_hw_params(struct snd_pcm_substream *substream, return 0; } +#define TAS2552_DAI_FMT_MASK (TAS2552_BIT_CLK_MASK | \ + TAS2552_WORD_CLK_MASK | \ + TAS2552_DATA_FORMAT_MASK) static int tas2552_set_dai_fmt(struct snd_soc_dai *dai, unsigned int fmt) { struct snd_soc_codec *codec = dai->codec; + u8 delay = 0; u8 serial_format; - u8 serial_control_mask; switch (fmt & SND_SOC_DAIFMT_MASTER_MASK) { case SND_SOC_DAIFMT_CBS_CFS: @@ -212,19 +215,19 @@ static int tas2552_set_dai_fmt(struct snd_soc_dai *dai, unsigned int fmt) return -EINVAL; } - serial_control_mask = TAS2552_BIT_CLK_MASK | TAS2552_WORD_CLK_MASK; - - switch (fmt & SND_SOC_DAIFMT_FORMAT_MASK) { - case SND_SOC_DAIFMT_I2S: - serial_format &= TAS2552_DAIFMT_I2S_MASK; + switch (fmt & (SND_SOC_DAIFMT_FORMAT_MASK | + SND_SOC_DAIFMT_INV_MASK)) { + case (SND_SOC_DAIFMT_I2S | SND_SOC_DAIFMT_NB_NF): break; - case SND_SOC_DAIFMT_DSP_A: + case (SND_SOC_DAIFMT_DSP_A | SND_SOC_DAIFMT_IB_NF): + delay = 1; + case (SND_SOC_DAIFMT_DSP_B | SND_SOC_DAIFMT_IB_NF): serial_format |= TAS2552_DAIFMT_DSP; break; - case SND_SOC_DAIFMT_RIGHT_J: + case (SND_SOC_DAIFMT_RIGHT_J | SND_SOC_DAIFMT_NB_NF): serial_format |= TAS2552_DAIFMT_RIGHT_J; break; - case SND_SOC_DAIFMT_LEFT_J: + case (SND_SOC_DAIFMT_LEFT_J | SND_SOC_DAIFMT_NB_NF): serial_format |= TAS2552_DAIFMT_LEFT_J; break; default: @@ -232,11 +235,9 @@ static int tas2552_set_dai_fmt(struct snd_soc_dai *dai, unsigned int fmt) return -EINVAL; } - if (fmt & SND_SOC_DAIFMT_FORMAT_MASK) - serial_control_mask |= TAS2552_DATA_FORMAT_MASK; - - snd_soc_update_bits(codec, TAS2552_SER_CTRL_1, serial_control_mask, - serial_format); + snd_soc_update_bits(codec, TAS2552_SER_CTRL_1, TAS2552_DAI_FMT_MASK, + serial_format); + snd_soc_write(codec, TAS2552_SER_CTRL_2, delay); return 0; } -- cgit v1.2.3 From 1b68c7dca2ca7426c758debdbf9dd5f7c308c1c8 Mon Sep 17 00:00:00 2001 From: Peter Ujfalusi Date: Thu, 4 Jun 2015 16:04:24 +0300 Subject: ASoC: tas2552: Correct and clean up data format and BCLK/WCLK direction Use names from the datasheet for the definitions. Correct the data format definitions since they were not correct. Signed-off-by: Peter Ujfalusi Signed-off-by: Mark Brown --- sound/soc/codecs/tas2552.c | 18 +++++++++--------- sound/soc/codecs/tas2552.h | 17 ++++++++--------- 2 files changed, 17 insertions(+), 18 deletions(-) diff --git a/sound/soc/codecs/tas2552.c b/sound/soc/codecs/tas2552.c index 2f4c2b52a9fa..7615d1bc5f5d 100644 --- a/sound/soc/codecs/tas2552.c +++ b/sound/soc/codecs/tas2552.c @@ -188,9 +188,9 @@ static int tas2552_hw_params(struct snd_pcm_substream *substream, return 0; } -#define TAS2552_DAI_FMT_MASK (TAS2552_BIT_CLK_MASK | \ - TAS2552_WORD_CLK_MASK | \ - TAS2552_DATA_FORMAT_MASK) +#define TAS2552_DAI_FMT_MASK (TAS2552_BCLKDIR | \ + TAS2552_WCLKDIR | \ + TAS2552_DATAFORMAT_MASK) static int tas2552_set_dai_fmt(struct snd_soc_dai *dai, unsigned int fmt) { struct snd_soc_codec *codec = dai->codec; @@ -202,13 +202,13 @@ static int tas2552_set_dai_fmt(struct snd_soc_dai *dai, unsigned int fmt) serial_format = 0x00; break; case SND_SOC_DAIFMT_CBS_CFM: - serial_format = TAS2552_WORD_CLK_MASK; + serial_format = TAS2552_WCLKDIR; break; case SND_SOC_DAIFMT_CBM_CFS: - serial_format = TAS2552_BIT_CLK_MASK; + serial_format = TAS2552_BCLKDIR; break; case SND_SOC_DAIFMT_CBM_CFM: - serial_format = (TAS2552_BIT_CLK_MASK | TAS2552_WORD_CLK_MASK); + serial_format = (TAS2552_BCLKDIR | TAS2552_WCLKDIR); break; default: dev_vdbg(codec->dev, "DAI Format master is not found\n"); @@ -222,13 +222,13 @@ static int tas2552_set_dai_fmt(struct snd_soc_dai *dai, unsigned int fmt) case (SND_SOC_DAIFMT_DSP_A | SND_SOC_DAIFMT_IB_NF): delay = 1; case (SND_SOC_DAIFMT_DSP_B | SND_SOC_DAIFMT_IB_NF): - serial_format |= TAS2552_DAIFMT_DSP; + serial_format |= TAS2552_DATAFORMAT_DSP; break; case (SND_SOC_DAIFMT_RIGHT_J | SND_SOC_DAIFMT_NB_NF): - serial_format |= TAS2552_DAIFMT_RIGHT_J; + serial_format |= TAS2552_DATAFORMAT_RIGHT_J; break; case (SND_SOC_DAIFMT_LEFT_J | SND_SOC_DAIFMT_NB_NF): - serial_format |= TAS2552_DAIFMT_LEFT_J; + serial_format |= TAS2552_DATAFORMAT_LEFT_J; break; default: dev_vdbg(codec->dev, "DAI Format is not found\n"); diff --git a/sound/soc/codecs/tas2552.h b/sound/soc/codecs/tas2552.h index 0725befb4c41..0a12b511e951 100644 --- a/sound/soc/codecs/tas2552.h +++ b/sound/soc/codecs/tas2552.h @@ -62,15 +62,14 @@ #define TAS2552_LIM_EN (1 << 2) #define TAS2552_IVSENSE_EN (1 << 1) -/* CFG3 Register Masks */ -#define TAS2552_WORD_CLK_MASK (1 << 7) -#define TAS2552_BIT_CLK_MASK (1 << 6) -#define TAS2552_DATA_FORMAT_MASK (0x11 << 2) - -#define TAS2552_DAIFMT_I2S_MASK 0xf3 -#define TAS2552_DAIFMT_DSP (1 << 3) -#define TAS2552_DAIFMT_RIGHT_J (1 << 4) -#define TAS2552_DAIFMT_LEFT_J (0x11 << 3) +/* Serial Interface Control Register Masks */ +#define TAS2552_DATAFORMAT_I2S (0x0 << 2) +#define TAS2552_DATAFORMAT_DSP (0x1 << 2) +#define TAS2552_DATAFORMAT_RIGHT_J (0x2 << 2) +#define TAS2552_DATAFORMAT_LEFT_J (0x3 << 2) +#define TAS2552_DATAFORMAT_MASK TAS2552_DATAFORMAT_LEFT_J +#define TAS2552_BCLKDIR (1 << 6) +#define TAS2552_WCLKDIR (1 << 7) #define TAS2552_DIN_SRC_SEL_MUTED 0x00 #define TAS2552_DIN_SRC_SEL_LEFT (1 << 4) -- cgit v1.2.3 From 3f747a810e19b3ab88c6b303490c66f59e78b80b Mon Sep 17 00:00:00 2001 From: Peter Ujfalusi Date: Thu, 4 Jun 2015 16:04:25 +0300 Subject: ASoC: tas2552: Add TDM support TDM support is achieved using DSP transfer mode and setting a programmable offset which specifies where data begins with respect to the frame sync. Signed-off-by: Peter Ujfalusi Signed-off-by: Mark Brown --- sound/soc/codecs/tas2552.c | 59 ++++++++++++++++++++++++++++++++++++++++++---- sound/soc/codecs/tas2552.h | 3 +++ 2 files changed, 58 insertions(+), 4 deletions(-) diff --git a/sound/soc/codecs/tas2552.c b/sound/soc/codecs/tas2552.c index 7615d1bc5f5d..432aa54fe707 100644 --- a/sound/soc/codecs/tas2552.c +++ b/sound/soc/codecs/tas2552.c @@ -78,6 +78,9 @@ struct tas2552_data { unsigned char regs[TAS2552_VBAT_DATA]; unsigned int pll_clkin; unsigned int pdm_clk; + + unsigned int dai_fmt; + unsigned int tdm_delay; }; /* Input mux controls */ @@ -191,10 +194,29 @@ static int tas2552_hw_params(struct snd_pcm_substream *substream, #define TAS2552_DAI_FMT_MASK (TAS2552_BCLKDIR | \ TAS2552_WCLKDIR | \ TAS2552_DATAFORMAT_MASK) +static int tas2552_prepare(struct snd_pcm_substream *substream, + struct snd_soc_dai *dai) +{ + struct snd_soc_codec *codec = dai->codec; + struct tas2552_data *tas2552 = snd_soc_codec_get_drvdata(codec); + int delay = 0; + + /* TDM slot selection only valid in DSP_A/_B mode */ + if (tas2552->dai_fmt == SND_SOC_DAIFMT_DSP_A) + delay += (tas2552->tdm_delay + 1); + else if (tas2552->dai_fmt == SND_SOC_DAIFMT_DSP_B) + delay += tas2552->tdm_delay; + + /* Configure data delay */ + snd_soc_write(codec, TAS2552_SER_CTRL_2, delay); + + return 0; +} + static int tas2552_set_dai_fmt(struct snd_soc_dai *dai, unsigned int fmt) { struct snd_soc_codec *codec = dai->codec; - u8 delay = 0; + struct tas2552_data *tas2552 = dev_get_drvdata(codec->dev); u8 serial_format; switch (fmt & SND_SOC_DAIFMT_MASTER_MASK) { @@ -220,7 +242,6 @@ static int tas2552_set_dai_fmt(struct snd_soc_dai *dai, unsigned int fmt) case (SND_SOC_DAIFMT_I2S | SND_SOC_DAIFMT_NB_NF): break; case (SND_SOC_DAIFMT_DSP_A | SND_SOC_DAIFMT_IB_NF): - delay = 1; case (SND_SOC_DAIFMT_DSP_B | SND_SOC_DAIFMT_IB_NF): serial_format |= TAS2552_DATAFORMAT_DSP; break; @@ -234,11 +255,10 @@ static int tas2552_set_dai_fmt(struct snd_soc_dai *dai, unsigned int fmt) dev_vdbg(codec->dev, "DAI Format is not found\n"); return -EINVAL; } + tas2552->dai_fmt = fmt & SND_SOC_DAIFMT_FORMAT_MASK; snd_soc_update_bits(codec, TAS2552_SER_CTRL_1, TAS2552_DAI_FMT_MASK, serial_format); - snd_soc_write(codec, TAS2552_SER_CTRL_2, delay); - return 0; } @@ -278,6 +298,35 @@ static int tas2552_set_dai_sysclk(struct snd_soc_dai *dai, int clk_id, return 0; } +static int tas2552_set_dai_tdm_slot(struct snd_soc_dai *dai, + unsigned int tx_mask, unsigned int rx_mask, + int slots, int slot_width) +{ + struct snd_soc_codec *codec = dai->codec; + struct tas2552_data *tas2552 = snd_soc_codec_get_drvdata(codec); + unsigned int lsb; + + if (unlikely(!tx_mask)) { + dev_err(codec->dev, "tx masks need to be non 0\n"); + return -EINVAL; + } + + /* TDM based on DSP mode requires slots to be adjacent */ + lsb = __ffs(tx_mask); + if ((lsb + 1) != __fls(tx_mask)) { + dev_err(codec->dev, "Invalid mask, slots must be adjacent\n"); + return -EINVAL; + } + + tas2552->tdm_delay = lsb * slot_width; + + /* DOUT in high-impedance on inactive bit clocks */ + snd_soc_update_bits(codec, TAS2552_DOUT, + TAS2552_SDOUT_TRISTATE, TAS2552_SDOUT_TRISTATE); + + return 0; +} + static int tas2552_mute(struct snd_soc_dai *dai, int mute) { u8 cfg1_reg = 0; @@ -330,8 +379,10 @@ static const struct dev_pm_ops tas2552_pm = { static struct snd_soc_dai_ops tas2552_speaker_dai_ops = { .hw_params = tas2552_hw_params, + .prepare = tas2552_prepare, .set_sysclk = tas2552_set_dai_sysclk, .set_fmt = tas2552_set_dai_fmt, + .set_tdm_slot = tas2552_set_dai_tdm_slot, .digital_mute = tas2552_mute, }; diff --git a/sound/soc/codecs/tas2552.h b/sound/soc/codecs/tas2552.h index 0a12b511e951..5bdc7eaaddea 100644 --- a/sound/soc/codecs/tas2552.h +++ b/sound/soc/codecs/tas2552.h @@ -62,6 +62,9 @@ #define TAS2552_LIM_EN (1 << 2) #define TAS2552_IVSENSE_EN (1 << 1) +/* DOUT Register Masks */ +#define TAS2552_SDOUT_TRISTATE (1 << 2) + /* Serial Interface Control Register Masks */ #define TAS2552_DATAFORMAT_I2S (0x0 << 2) #define TAS2552_DATAFORMAT_DSP (0x1 << 2) -- cgit v1.2.3 From 609e71313bddd217808eea2ddd5d0faecaa07131 Mon Sep 17 00:00:00 2001 From: Peter Ujfalusi Date: Thu, 4 Jun 2015 16:04:26 +0300 Subject: ASoC: tas2552: Clean up the Digital - Analog DAPM route definition The strings should be: 'static const char * const tas2552_input_texts[]' SOC_DAPM_ENUM should have "Route" in place of xname and no need to have it as an array. Also align the parameters. Signed-off-by: Peter Ujfalusi Signed-off-by: Mark Brown --- sound/soc/codecs/tas2552.c | 14 ++++++-------- 1 file changed, 6 insertions(+), 8 deletions(-) diff --git a/sound/soc/codecs/tas2552.c b/sound/soc/codecs/tas2552.c index 432aa54fe707..264df631b130 100644 --- a/sound/soc/codecs/tas2552.c +++ b/sound/soc/codecs/tas2552.c @@ -83,17 +83,15 @@ struct tas2552_data { unsigned int tdm_delay; }; -/* Input mux controls */ -static const char *tas2552_input_texts[] = { - "Digital", "Analog" -}; +/* Input mux controls */ +static const char * const tas2552_input_texts[] = { + "Digital", "Analog" }; static SOC_ENUM_SINGLE_DECL(tas2552_input_mux_enum, TAS2552_CFG_3, 7, tas2552_input_texts); -static const struct snd_kcontrol_new tas2552_input_mux_control[] = { - SOC_DAPM_ENUM("Input selection", tas2552_input_mux_enum) -}; +static const struct snd_kcontrol_new tas2552_input_mux_control = + SOC_DAPM_ENUM("Route", tas2552_input_mux_enum); static const struct snd_soc_dapm_widget tas2552_dapm_widgets[] = { @@ -101,7 +99,7 @@ static const struct snd_soc_dapm_widget tas2552_dapm_widgets[] = /* MUX Controls */ SND_SOC_DAPM_MUX("Input selection", SND_SOC_NOPM, 0, 0, - tas2552_input_mux_control), + &tas2552_input_mux_control), SND_SOC_DAPM_AIF_IN("DAC IN", "DAC Playback", 0, SND_SOC_NOPM, 0, 0), SND_SOC_DAPM_DAC("DAC", NULL, SND_SOC_NOPM, 0, 0), -- cgit v1.2.3 From dd6ae3bcfe0fa9cf1bdb6f952c617f2070c57b37 Mon Sep 17 00:00:00 2001 From: Peter Ujfalusi Date: Thu, 4 Jun 2015 16:04:27 +0300 Subject: ASoC: tas2552: Correct the Speaker Driver Playback Volume (PGA_GAIN) The last parameter for DECLARE_TLV_DB_SCALE() is to tell if the gain will be muted or not when it is set to raw 0. IN this case it is not muted. The PGA_GAIN is in 0-4 bits in the register. Fix the offset in the SOC_SINGLE_TLV() for this. Signed-off-by: Peter Ujfalusi Signed-off-by: Mark Brown --- sound/soc/codecs/tas2552.c | 4 ++-- 1 file changed, 2 insertions(+), 2 deletions(-) diff --git a/sound/soc/codecs/tas2552.c b/sound/soc/codecs/tas2552.c index 264df631b130..fe2e4d384a00 100644 --- a/sound/soc/codecs/tas2552.c +++ b/sound/soc/codecs/tas2552.c @@ -406,11 +406,11 @@ static struct snd_soc_dai_driver tas2552_dai[] = { /* * DAC digital volumes. From -7 to 24 dB in 1 dB steps */ -static DECLARE_TLV_DB_SCALE(dac_tlv, -7, 100, 24); +static DECLARE_TLV_DB_SCALE(dac_tlv, -7, 100, 0); static const struct snd_kcontrol_new tas2552_snd_controls[] = { SOC_SINGLE_TLV("Speaker Driver Playback Volume", - TAS2552_PGA_GAIN, 0, 0x1f, 1, dac_tlv), + TAS2552_PGA_GAIN, 0, 0x1f, 0, dac_tlv), }; static const struct reg_default tas2552_init_regs[] = { -- cgit v1.2.3 From 7d78502502f3984894c0bb8d330ef894f2c2c04c Mon Sep 17 00:00:00 2001 From: Peter Ujfalusi Date: Thu, 4 Jun 2015 16:04:28 +0300 Subject: ASoC: tas2552: Implement startup/stop sequence as per TRM Certain sequence need to be followed in order to have smooth power up and power down performance. Execute this sequence via DAPM_POST widget. Remove patching the RESERVED_0D register at probe time since it has to be handled every time when we stop or start the amplifier. In order to be able to execute the sequence at the correct time, the driver need to request to ignore the pmdown time. Signed-off-by: Peter Ujfalusi Signed-off-by: Mark Brown --- sound/soc/codecs/tas2552.c | 44 ++++++++++++++++++++++++++++---------------- 1 file changed, 28 insertions(+), 16 deletions(-) diff --git a/sound/soc/codecs/tas2552.c b/sound/soc/codecs/tas2552.c index fe2e4d384a00..9c081344bd90 100644 --- a/sound/soc/codecs/tas2552.c +++ b/sound/soc/codecs/tas2552.c @@ -46,7 +46,7 @@ static struct reg_default tas2552_reg_defs[] = { {TAS2552_PDM_CFG, 0x01}, {TAS2552_PGA_GAIN, 0x00}, {TAS2552_BOOST_PT_CTRL, 0x0f}, - {TAS2552_RESERVED_0D, 0x00}, + {TAS2552_RESERVED_0D, 0xbe}, {TAS2552_LIMIT_RATE_HYS, 0x08}, {TAS2552_CFG_2, 0xef}, {TAS2552_SER_CTRL_1, 0x00}, @@ -83,6 +83,29 @@ struct tas2552_data { unsigned int tdm_delay; }; +static int tas2552_post_event(struct snd_soc_dapm_widget *w, + struct snd_kcontrol *kcontrol, int event) +{ + struct snd_soc_codec *codec = snd_soc_dapm_to_codec(w->dapm); + + switch (event) { + case SND_SOC_DAPM_POST_PMU: + snd_soc_write(codec, TAS2552_RESERVED_0D, 0xc0); + snd_soc_update_bits(codec, TAS2552_LIMIT_RATE_HYS, (1 << 5), + (1 << 5)); + snd_soc_update_bits(codec, TAS2552_CFG_2, 1, 0); + snd_soc_update_bits(codec, TAS2552_CFG_1, TAS2552_SWS, 0); + break; + case SND_SOC_DAPM_POST_PMD: + snd_soc_update_bits(codec, TAS2552_CFG_1, TAS2552_SWS, + TAS2552_SWS); + snd_soc_update_bits(codec, TAS2552_CFG_2, 1, 1); + snd_soc_update_bits(codec, TAS2552_LIMIT_RATE_HYS, (1 << 5), 0); + snd_soc_write(codec, TAS2552_RESERVED_0D, 0xbe); + break; + } + return 0; +} /* Input mux controls */ static const char * const tas2552_input_texts[] = { @@ -105,6 +128,7 @@ static const struct snd_soc_dapm_widget tas2552_dapm_widgets[] = SND_SOC_DAPM_DAC("DAC", NULL, SND_SOC_NOPM, 0, 0), SND_SOC_DAPM_OUT_DRV("ClassD", TAS2552_CFG_2, 7, 0, NULL, 0), SND_SOC_DAPM_SUPPLY("PLL", TAS2552_CFG_2, 3, 0, NULL, 0), + SND_SOC_DAPM_POST("Post Event", tas2552_post_event), SND_SOC_DAPM_OUTPUT("OUT") }; @@ -413,10 +437,6 @@ static const struct snd_kcontrol_new tas2552_snd_controls[] = { TAS2552_PGA_GAIN, 0, 0x1f, 0, dac_tlv), }; -static const struct reg_default tas2552_init_regs[] = { - { TAS2552_RESERVED_0D, 0xc0 }, -}; - static int tas2552_codec_probe(struct snd_soc_codec *codec) { struct tas2552_data *tas2552 = snd_soc_codec_get_drvdata(codec); @@ -443,7 +463,7 @@ static int tas2552_codec_probe(struct snd_soc_codec *codec) goto probe_fail; } - snd_soc_write(codec, TAS2552_CFG_1, TAS2552_MUTE); + snd_soc_update_bits(codec, TAS2552_CFG_1, TAS2552_MUTE, TAS2552_MUTE); snd_soc_write(codec, TAS2552_CFG_3, TAS2552_I2S_OUT_SEL | TAS2552_DIN_SRC_SEL_AVG_L_R | TAS2552_88_96KHZ); snd_soc_write(codec, TAS2552_DOUT, TAS2552_PDM_DATA_I); @@ -451,21 +471,11 @@ static int tas2552_codec_probe(struct snd_soc_codec *codec) snd_soc_write(codec, TAS2552_BOOST_PT_CTRL, TAS2552_APT_DELAY_200 | TAS2552_APT_THRESH_2_1_7); - ret = regmap_register_patch(tas2552->regmap, tas2552_init_regs, - ARRAY_SIZE(tas2552_init_regs)); - if (ret != 0) { - dev_err(codec->dev, "Failed to write init registers: %d\n", - ret); - goto patch_fail; - } - snd_soc_write(codec, TAS2552_CFG_2, TAS2552_BOOST_EN | TAS2552_APT_EN | TAS2552_LIM_EN); return 0; -patch_fail: - pm_runtime_put(codec->dev); probe_fail: if (tas2552->enable_gpio) gpiod_set_value(tas2552->enable_gpio, 0); @@ -527,6 +537,8 @@ static struct snd_soc_codec_driver soc_codec_dev_tas2552 = { .remove = tas2552_codec_remove, .suspend = tas2552_suspend, .resume = tas2552_resume, + .ignore_pmdown_time = true, + .controls = tas2552_snd_controls, .num_controls = ARRAY_SIZE(tas2552_snd_controls), .dapm_widgets = tas2552_dapm_widgets, -- cgit v1.2.3 From d20b098dd98ec9e0a205ad59e32d93a636a783b3 Mon Sep 17 00:00:00 2001 From: Peter Ujfalusi Date: Thu, 4 Jun 2015 16:04:29 +0300 Subject: ASoC: tas2552: Add support for word length configuration Configure the word length based on the params_width of the stream. Also configure the clock per frame value which is used when tas2552 is bus master. Signed-off-by: Peter Ujfalusi Signed-off-by: Mark Brown --- sound/soc/codecs/tas2552.c | 38 ++++++++++++++++++++++++++++++++++++++ sound/soc/codecs/tas2552.h | 10 ++++++++++ 2 files changed, 48 insertions(+) diff --git a/sound/soc/codecs/tas2552.c b/sound/soc/codecs/tas2552.c index 9c081344bd90..13b435f9a9b1 100644 --- a/sound/soc/codecs/tas2552.c +++ b/sound/soc/codecs/tas2552.c @@ -166,7 +166,45 @@ static int tas2552_hw_params(struct snd_pcm_substream *substream, struct tas2552_data *tas2552 = dev_get_drvdata(codec->dev); int sample_rate, pll_clk; int d; + int cpf; u8 p, j; + u8 ser_ctrl1_reg; + + switch (params_width(params)) { + case 16: + ser_ctrl1_reg = TAS2552_WORDLENGTH_16BIT; + cpf = 32 + tas2552->tdm_delay; + break; + case 20: + ser_ctrl1_reg = TAS2552_WORDLENGTH_20BIT; + cpf = 64 + tas2552->tdm_delay; + break; + case 24: + ser_ctrl1_reg = TAS2552_WORDLENGTH_24BIT; + cpf = 64 + tas2552->tdm_delay; + break; + case 32: + ser_ctrl1_reg = TAS2552_WORDLENGTH_32BIT; + cpf = 64 + tas2552->tdm_delay; + break; + default: + dev_err(codec->dev, "Not supported sample size: %d\n", + params_width(params)); + return -EINVAL; + } + + if (cpf <= 32) + ser_ctrl1_reg |= TAS2552_CLKSPERFRAME_32; + else if (cpf <= 64) + ser_ctrl1_reg |= TAS2552_CLKSPERFRAME_64; + else if (cpf <= 128) + ser_ctrl1_reg |= TAS2552_CLKSPERFRAME_128; + else + ser_ctrl1_reg |= TAS2552_CLKSPERFRAME_256; + + snd_soc_update_bits(codec, TAS2552_SER_CTRL_1, + TAS2552_WORDLENGTH_MASK | TAS2552_CLKSPERFRAME_MASK, + ser_ctrl1_reg); if (!tas2552->pll_clkin) return -EINVAL; diff --git a/sound/soc/codecs/tas2552.h b/sound/soc/codecs/tas2552.h index 5bdc7ea