tas2770: add tas2770 smart PA kernel driver
add tas2770 smart PA kernel driver Signed-off-by: Frank Shi <shifu0704@thundersoft.com> Link: https://lore.kernel.org/r/1568962709-19185-2-git-send-email-shifu0704@thundersoft.com Signed-off-by: Mark Brown <broonie@kernel.org>
This commit is contained in:
Frank Shi
Mark Brown
parent
4378f1fbe9
commit
1a476abc72
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@ -179,6 +179,7 @@ config SND_SOC_ALL_CODECS
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select SND_SOC_STAC9766 if SND_SOC_AC97_BUS
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select SND_SOC_STI_SAS
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select SND_SOC_TAS2552 if I2C
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select SND_SOC_TAS2770 if I2C
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select SND_SOC_TAS5086 if I2C
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select SND_SOC_TAS571X if I2C
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select SND_SOC_TAS5720 if I2C
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@ -1104,6 +1105,10 @@ config SND_SOC_TAS2552
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tristate "Texas Instruments TAS2552 Mono Audio amplifier"
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depends on I2C
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config SND_SOC_TAS2770
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tristate "Texas Instruments TAS2770 speaker amplifier"
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depends on I2C
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config SND_SOC_TAS5086
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tristate "Texas Instruments TAS5086 speaker amplifier"
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depends on I2C
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@ -196,6 +196,7 @@ snd-soc-tas571x-objs := tas571x.o
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snd-soc-tas5720-objs := tas5720.o
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snd-soc-tas6424-objs := tas6424.o
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snd-soc-tda7419-objs := tda7419.o
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snd-soc-tas2770-objs := tas2770.o
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snd-soc-tfa9879-objs := tfa9879.o
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snd-soc-tlv320aic23-objs := tlv320aic23.o
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snd-soc-tlv320aic23-i2c-objs := tlv320aic23-i2c.o
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@ -479,6 +480,7 @@ obj-$(CONFIG_SND_SOC_TAS571X) += snd-soc-tas571x.o
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obj-$(CONFIG_SND_SOC_TAS5720) += snd-soc-tas5720.o
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obj-$(CONFIG_SND_SOC_TAS6424) += snd-soc-tas6424.o
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obj-$(CONFIG_SND_SOC_TDA7419) += snd-soc-tda7419.o
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obj-$(CONFIG_SND_SOC_TAS2770) += snd-soc-tas2770.o
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obj-$(CONFIG_SND_SOC_TFA9879) += snd-soc-tfa9879.o
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obj-$(CONFIG_SND_SOC_TLV320AIC23) += snd-soc-tlv320aic23.o
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obj-$(CONFIG_SND_SOC_TLV320AIC23_I2C) += snd-soc-tlv320aic23-i2c.o
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@ -0,0 +1,808 @@
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// SPDX-License-Identifier: GPL-2.0
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//
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// ALSA SoC Texas Instruments TAS2770 20-W Digital Input Mono Class-D
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// Audio Amplifier with Speaker I/V Sense
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//
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// Copyright (C) 2016-2017 Texas Instruments Incorporated - http://www.ti.com/
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// Author: Tracy Yi <tracy-yi@ti.com>
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// Frank Shi <shifu0704@thundersoft.com>
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#include <linux/module.h>
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#include <linux/moduleparam.h>
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#include <linux/err.h>
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#include <linux/init.h>
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#include <linux/delay.h>
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#include <linux/pm.h>
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#include <linux/i2c.h>
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#include <linux/gpio.h>
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#include <linux/pm_runtime.h>
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#include <linux/regulator/consumer.h>
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#include <linux/firmware.h>
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#include <linux/regmap.h>
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#include <linux/of.h>
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#include <linux/of_gpio.h>
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#include <linux/slab.h>
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#include <sound/soc.h>
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#include <sound/pcm.h>
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#include <sound/pcm_params.h>
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#include <sound/initval.h>
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#include <sound/tlv.h>
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#include "tas2770.h"
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#define TAS2770_MDELAY 0xFFFFFFFE
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static void tas2770_reset(struct tas2770_priv *tas2770)
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{
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if (tas2770->reset_gpio) {
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gpiod_set_value_cansleep(tas2770->reset_gpio, 0);
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msleep(20);
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gpiod_set_value_cansleep(tas2770->reset_gpio, 1);
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}
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snd_soc_component_write(tas2770->component, TAS2770_SW_RST,
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TAS2770_RST);
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}
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static int tas2770_set_bias_level(struct snd_soc_component *component,
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enum snd_soc_bias_level level)
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{
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struct tas2770_priv *tas2770 =
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snd_soc_component_get_drvdata(component);
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switch (level) {
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case SND_SOC_BIAS_ON:
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snd_soc_component_update_bits(component,
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TAS2770_PWR_CTRL,
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TAS2770_PWR_CTRL_MASK,
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TAS2770_PWR_CTRL_ACTIVE);
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break;
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case SND_SOC_BIAS_OFF:
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snd_soc_component_update_bits(component,
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TAS2770_PWR_CTRL,
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TAS2770_PWR_CTRL_MASK,
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TAS2770_PWR_CTRL_SHUTDOWN);
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break;
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default:
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dev_err(tas2770->dev,
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"wrong power level setting %d\n", level);
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return -EINVAL;
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}
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return 0;
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}
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#ifdef CONFIG_PM
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static int tas2770_codec_suspend(struct snd_soc_component *component)
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{
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int ret;
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ret = snd_soc_component_update_bits(component,
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TAS2770_PWR_CTRL,
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TAS2770_PWR_CTRL_MASK,
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TAS2770_PWR_CTRL_SHUTDOWN);
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if (ret)
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return ret;
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return 0;
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}
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static int tas2770_codec_resume(struct snd_soc_component *component)
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{
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int ret;
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ret = snd_soc_component_update_bits(component,
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TAS2770_PWR_CTRL,
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TAS2770_PWR_CTRL_MASK,
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TAS2770_PWR_CTRL_ACTIVE);
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if (ret)
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return -EINVAL;
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return 0;
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}
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#else
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#define tas2770_codec_suspend NULL
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#define tas2770_codec_resume NULL
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#endif
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static const char * const tas2770_ASI1_src[] = {
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"I2C offset", "Left", "Right", "LeftRightDiv2",
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};
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static SOC_ENUM_SINGLE_DECL(
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tas2770_ASI1_src_enum, TAS2770_TDM_CFG_REG2,
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4, tas2770_ASI1_src);
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static const struct snd_kcontrol_new tas2770_asi1_mux =
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SOC_DAPM_ENUM("ASI1 Source", tas2770_ASI1_src_enum);
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static int tas2770_dac_event(struct snd_soc_dapm_widget *w,
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struct snd_kcontrol *kcontrol, int event)
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{
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struct snd_soc_component *component =
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snd_soc_dapm_to_component(w->dapm);
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struct tas2770_priv *tas2770 =
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snd_soc_component_get_drvdata(component);
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int ret;
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switch (event) {
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case SND_SOC_DAPM_POST_PMU:
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ret = snd_soc_component_update_bits(component,
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TAS2770_PWR_CTRL,
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TAS2770_PWR_CTRL_MASK,
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TAS2770_PWR_CTRL_MUTE);
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if (ret)
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goto end;
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break;
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case SND_SOC_DAPM_PRE_PMD:
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ret = snd_soc_component_update_bits(component,
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TAS2770_PWR_CTRL,
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TAS2770_PWR_CTRL_MASK,
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TAS2770_PWR_CTRL_SHUTDOWN);
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if (ret)
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goto end;
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break;
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default:
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dev_err(tas2770->dev, "Not supported evevt\n");
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return -EINVAL;
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}
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end:
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return ret;
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}
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static const struct snd_kcontrol_new isense_switch =
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SOC_DAPM_SINGLE("Switch", TAS2770_PWR_CTRL, 3, 1, 1);
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static const struct snd_kcontrol_new vsense_switch =
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SOC_DAPM_SINGLE("Switch", TAS2770_PWR_CTRL, 2, 1, 1);
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static const struct snd_soc_dapm_widget tas2770_dapm_widgets[] = {
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SND_SOC_DAPM_AIF_IN("ASI1", "ASI1 Playback", 0, SND_SOC_NOPM, 0, 0),
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SND_SOC_DAPM_MUX("ASI1 Sel", SND_SOC_NOPM, 0, 0,
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&tas2770_asi1_mux),
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SND_SOC_DAPM_SWITCH("ISENSE", TAS2770_PWR_CTRL, 3, 1,
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&isense_switch),
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SND_SOC_DAPM_SWITCH("VSENSE", TAS2770_PWR_CTRL, 2, 1,
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&vsense_switch),
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SND_SOC_DAPM_DAC_E("DAC", NULL, SND_SOC_NOPM, 0, 0, tas2770_dac_event,
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SND_SOC_DAPM_POST_PMU | SND_SOC_DAPM_PRE_PMD),
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SND_SOC_DAPM_OUTPUT("OUT"),
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SND_SOC_DAPM_SIGGEN("VMON"),
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SND_SOC_DAPM_SIGGEN("IMON")
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};
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static const struct snd_soc_dapm_route tas2770_audio_map[] = {
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{"ASI1 Sel", "I2C offset", "ASI1"},
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{"ASI1 Sel", "Left", "ASI1"},
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{"ASI1 Sel", "Right", "ASI1"},
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{"ASI1 Sel", "LeftRightDiv2", "ASI1"},
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{"DAC", NULL, "ASI1 Sel"},
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{"OUT", NULL, "DAC"},
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{"ISENSE", "Switch", "IMON"},
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{"VSENSE", "Switch", "VMON"},
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};
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static int tas2770_mute(struct snd_soc_dai *dai, int mute)
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{
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struct snd_soc_component *component = dai->component;
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int ret;
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if (mute)
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ret = snd_soc_component_update_bits(component,
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TAS2770_PWR_CTRL,
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TAS2770_PWR_CTRL_MASK,
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TAS2770_PWR_CTRL_MUTE);
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else
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ret = snd_soc_component_update_bits(component,
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TAS2770_PWR_CTRL,
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TAS2770_PWR_CTRL_MASK,
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TAS2770_PWR_CTRL_ACTIVE);
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return ret;
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}
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static int tas2770_set_bitwidth(struct tas2770_priv *tas2770, int bitwidth)
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{
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int ret;
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struct snd_soc_component *component = tas2770->component;
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switch (bitwidth) {
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case SNDRV_PCM_FORMAT_S16_LE:
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ret = snd_soc_component_update_bits(component,
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TAS2770_TDM_CFG_REG2,
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TAS2770_TDM_CFG_REG2_RXW_MASK,
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TAS2770_TDM_CFG_REG2_RXW_16BITS);
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tas2770->v_sense_slot = tas2770->i_sense_slot + 2;
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break;
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case SNDRV_PCM_FORMAT_S24_LE:
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ret = snd_soc_component_update_bits(component,
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TAS2770_TDM_CFG_REG2,
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TAS2770_TDM_CFG_REG2_RXW_MASK,
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TAS2770_TDM_CFG_REG2_RXW_24BITS);
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tas2770->v_sense_slot = tas2770->i_sense_slot + 4;
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break;
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case SNDRV_PCM_FORMAT_S32_LE:
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ret = snd_soc_component_update_bits(component,
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TAS2770_TDM_CFG_REG2,
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TAS2770_TDM_CFG_REG2_RXW_MASK,
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TAS2770_TDM_CFG_REG2_RXW_32BITS);
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tas2770->v_sense_slot = tas2770->i_sense_slot + 4;
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break;
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default:
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return -EINVAL;
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}
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tas2770->channel_size = bitwidth;
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ret = snd_soc_component_update_bits(component,
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TAS2770_TDM_CFG_REG5,
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TAS2770_TDM_CFG_REG5_VSNS_MASK |
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TAS2770_TDM_CFG_REG5_50_MASK,
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TAS2770_TDM_CFG_REG5_VSNS_ENABLE |
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tas2770->v_sense_slot);
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if (ret)
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goto end;
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ret = snd_soc_component_update_bits(component,
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TAS2770_TDM_CFG_REG6,
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TAS2770_TDM_CFG_REG6_ISNS_MASK |
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TAS2770_TDM_CFG_REG6_50_MASK,
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TAS2770_TDM_CFG_REG6_ISNS_ENABLE |
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tas2770->i_sense_slot);
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end:
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return ret;
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}
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static int tas2770_set_samplerate(struct tas2770_priv *tas2770, int samplerate)
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{
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int ret;
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struct snd_soc_component *component = tas2770->component;
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switch (samplerate) {
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case 48000:
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ret = snd_soc_component_update_bits(component,
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TAS2770_TDM_CFG_REG0,
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TAS2770_TDM_CFG_REG0_SMP_MASK,
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TAS2770_TDM_CFG_REG0_SMP_48KHZ);
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if (ret)
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goto end;
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ret = snd_soc_component_update_bits(component,
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TAS2770_TDM_CFG_REG0,
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TAS2770_TDM_CFG_REG0_31_MASK,
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TAS2770_TDM_CFG_REG0_31_44_1_48KHZ);
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if (ret)
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goto end;
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break;
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case 44100:
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ret = snd_soc_component_update_bits(component,
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TAS2770_TDM_CFG_REG0,
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TAS2770_TDM_CFG_REG0_SMP_MASK,
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TAS2770_TDM_CFG_REG0_SMP_44_1KHZ);
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if (ret)
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goto end;
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ret = snd_soc_component_update_bits(component,
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TAS2770_TDM_CFG_REG0,
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TAS2770_TDM_CFG_REG0_31_MASK,
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TAS2770_TDM_CFG_REG0_31_44_1_48KHZ);
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if (ret)
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goto end;
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break;
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case 96000:
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ret = snd_soc_component_update_bits(component,
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TAS2770_TDM_CFG_REG0,
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TAS2770_TDM_CFG_REG0_SMP_MASK,
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TAS2770_TDM_CFG_REG0_SMP_48KHZ);
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if (ret)
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goto end;
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ret = snd_soc_component_update_bits(component,
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TAS2770_TDM_CFG_REG0,
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TAS2770_TDM_CFG_REG0_31_MASK,
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TAS2770_TDM_CFG_REG0_31_88_2_96KHZ);
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break;
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case 88200:
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ret = snd_soc_component_update_bits(component,
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TAS2770_TDM_CFG_REG0,
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TAS2770_TDM_CFG_REG0_SMP_MASK,
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TAS2770_TDM_CFG_REG0_SMP_44_1KHZ);
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if (ret)
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goto end;
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ret = snd_soc_component_update_bits(component,
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TAS2770_TDM_CFG_REG0,
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TAS2770_TDM_CFG_REG0_31_MASK,
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TAS2770_TDM_CFG_REG0_31_88_2_96KHZ);
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break;
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case 19200:
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ret = snd_soc_component_update_bits(component,
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TAS2770_TDM_CFG_REG0,
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TAS2770_TDM_CFG_REG0_SMP_MASK,
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TAS2770_TDM_CFG_REG0_SMP_48KHZ);
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if (ret)
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goto end;
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ret = snd_soc_component_update_bits(component,
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TAS2770_TDM_CFG_REG0,
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TAS2770_TDM_CFG_REG0_31_MASK,
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TAS2770_TDM_CFG_REG0_31_176_4_192KHZ);
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if (ret)
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goto end;
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break;
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case 17640:
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ret = snd_soc_component_update_bits(component,
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TAS2770_TDM_CFG_REG0,
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TAS2770_TDM_CFG_REG0_SMP_MASK,
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TAS2770_TDM_CFG_REG0_SMP_44_1KHZ);
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if (ret)
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goto end;
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ret = snd_soc_component_update_bits(component,
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TAS2770_TDM_CFG_REG0,
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TAS2770_TDM_CFG_REG0_31_MASK,
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TAS2770_TDM_CFG_REG0_31_176_4_192KHZ);
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break;
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default:
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ret = -EINVAL;
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}
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end:
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if (!ret)
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tas2770->sampling_rate = samplerate;
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return ret;
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}
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static int tas2770_hw_params(struct snd_pcm_substream *substream,
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struct snd_pcm_hw_params *params,
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struct snd_soc_dai *dai)
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{
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struct snd_soc_component *component = dai->component;
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struct tas2770_priv *tas2770 =
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snd_soc_component_get_drvdata(component);
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int ret;
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ret = tas2770_set_bitwidth(tas2770, params_format(params));
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if (ret < 0)
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goto end;
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ret = tas2770_set_samplerate(tas2770, params_rate(params));
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end:
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return ret;
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}
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static int tas2770_set_fmt(struct snd_soc_dai *dai, unsigned int fmt)
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{
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u8 tdm_rx_start_slot = 0, asi_cfg_1 = 0;
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int ret;
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int value = 0;
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struct snd_soc_component *component = dai->component;
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struct tas2770_priv *tas2770 =
|
||||
snd_soc_component_get_drvdata(component);
|
||||
|
||||
switch (fmt & SND_SOC_DAIFMT_MASTER_MASK) {
|
||||
case SND_SOC_DAIFMT_CBS_CFS:
|
||||
break;
|
||||
default:
|
||||
dev_err(tas2770->dev, "ASI format master is not found\n");
|
||||
return -EINVAL;
|
||||
}
|
||||
|
||||
switch (fmt & SND_SOC_DAIFMT_INV_MASK) {
|
||||
case SND_SOC_DAIFMT_NB_NF:
|
||||
asi_cfg_1 |= TAS2770_TDM_CFG_REG1_RX_RSING;
|
||||
break;
|
||||
case SND_SOC_DAIFMT_IB_NF:
|
||||
asi_cfg_1 |= TAS2770_TDM_CFG_REG1_RX_FALING;
|
||||
break;
|
||||
default:
|
||||
dev_err(tas2770->dev, "ASI format Inverse is not found\n");
|
||||
return -EINVAL;
|
||||
}
|
||||
|
||||
ret = snd_soc_component_update_bits(component, TAS2770_TDM_CFG_REG1,
|
||||
TAS2770_TDM_CFG_REG1_RX_MASK,
|
||||
asi_cfg_1);
|
||||
if (ret)
|
||||
return ret;
|
||||
|
||||
switch (fmt & SND_SOC_DAIFMT_FORMAT_MASK) {
|
||||
case SND_SOC_DAIFMT_I2S:
|
||||
tdm_rx_start_slot = 1;
|
||||
break;
|
||||
case SND_SOC_DAIFMT_DSP_A:
|
||||
tdm_rx_start_slot = 0;
|
||||
break;
|
||||
case SND_SOC_DAIFMT_DSP_B:
|
||||
tdm_rx_start_slot = 1;
|
||||
break;
|
||||
case SND_SOC_DAIFMT_LEFT_J:
|
||||
tdm_rx_start_slot = 0;
|
||||
break;
|
||||
default:
|
||||
dev_err(tas2770->dev,
|
||||
"DAI Format is not found, fmt=0x%x\n", fmt);
|
||||
return -EINVAL;
|
||||
}
|
||||
|
||||
ret = snd_soc_component_update_bits(component, TAS2770_TDM_CFG_REG1,
|
||||
TAS2770_TDM_CFG_REG1_MASK,
|
||||
(tdm_rx_start_slot << TAS2770_TDM_CFG_REG1_51_SHIFT));
|
||||
if (ret)
|
||||
return ret;
|
||||
|
||||
value = snd_soc_component_read32(component, TAS2770_TDM_CFG_REG3);
|
||||
|
||||
tas2770->asi_format = fmt;
|
||||
|
||||
return 0;
|
||||
}
|
||||
|
||||
static int tas2770_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_component *component = dai->component;
|
||||
struct tas2770_priv *tas2770 =
|
||||
snd_soc_component_get_drvdata(component);
|
||||
int left_slot, right_slot;
|
||||
int ret;
|
||||
|
||||
if (tx_mask == 0 || rx_mask != 0)
|
||||
return -EINVAL;
|
||||
|
||||
if (slots == 1) {
|
||||
if (tx_mask != 1)
|
||||
return -EINVAL;
|
||||
left_slot = 0;
|
||||
right_slot = 0;
|
||||
} else {
|
||||
left_slot = __ffs(tx_mask);
|
||||
tx_mask &= ~(1 << left_slot);
|
||||
if (tx_mask == 0) {
|
||||
right_slot = left_slot;
|
||||
} else {
|
||||
right_slot = __ffs(tx_mask);
|
||||
tx_mask &= ~(1 << right_slot);
|
||||
}
|
||||
}
|
||||
|
||||
if (tx_mask != 0 || left_slot >= slots || right_slot >= slots)
|
||||
return -EINVAL;
|
||||
|
||||
ret = snd_soc_component_update_bits(component, TAS2770_TDM_CFG_REG3,
|
||||
TAS2770_TDM_CFG_REG3_30_MASK,
|
||||
(left_slot << TAS2770_TDM_CFG_REG3_30_SHIFT));
|
||||
if (ret)
|
||||
return ret;
|
||||
ret = snd_soc_component_update_bits(component, TAS2770_TDM_CFG_REG3,
|
||||
TAS2770_TDM_CFG_REG3_RXS_MASK,
|
||||
(right_slot << TAS2770_TDM_CFG_REG3_RXS_SHIFT));
|
||||
if (ret)
|
||||
return ret;
|
||||
|
||||
switch (slot_width) {
|
||||
case 16:
|
||||
ret = snd_soc_component_update_bits(component,
|
||||
TAS2770_TDM_CFG_REG2,
|
||||
TAS2770_TDM_CFG_REG2_RXS_MASK,
|
||||
TAS2770_TDM_CFG_REG2_RXS_16BITS);
|
||||
break;
|
||||
|
||||
case 24:
|
||||
ret = snd_soc_component_update_bits(component,
|
||||
TAS2770_TDM_CFG_REG2,
|
||||
TAS2770_TDM_CFG_REG2_RXS_MASK,
|
||||
TAS2770_TDM_CFG_REG2_RXS_24BITS);
|
||||
break;
|
||||
|
||||
case 32:
|
||||
ret = snd_soc_component_update_bits(component,
|
||||
TAS2770_TDM_CFG_REG2,
|
||||
TAS2770_TDM_CFG_REG2_RXS_MASK,
|
||||
TAS2770_TDM_CFG_REG2_RXS_32BITS);
|
||||
break;
|
||||
|
||||
case 0:
|
||||
/* Do not change slot width */
|
||||
ret = 0;
|
||||
break;
|
||||
|
||||
default:
|
||||
ret = -EINVAL;
|
||||
}
|
||||
|
||||
if (!ret)
|
||||
tas2770->slot_width = slot_width;
|
||||
|
||||
return ret;
|
||||
}
|
||||
|
||||
static struct snd_soc_dai_ops tas2770_dai_ops = {
|
||||
.digital_mute = tas2770_mute,
|
||||
.hw_params = tas2770_hw_params,
|
||||
.set_fmt = tas2770_set_fmt,
|
||||
.set_tdm_slot = tas2770_set_dai_tdm_slot,
|
||||
};
|
||||
|
||||
#define TAS2770_FORMATS (SNDRV_PCM_FMTBIT_S16_LE | SNDRV_PCM_FMTBIT_S20_3LE |\
|
||||
SNDRV_PCM_FMTBIT_S24_LE | SNDRV_PCM_FMTBIT_S32_LE)
|
||||
|
||||
#define TAS2770_RATES (SNDRV_PCM_RATE_44100 | SNDRV_PCM_RATE_48000 |\
|
||||
SNDRV_PCM_RATE_96000 |\
|
||||
SNDRV_PCM_RATE_192000\
|
||||
)
|
||||
|
||||
static struct snd_soc_dai_driver tas2770_dai_driver[] = {
|
||||
{
|
||||
.name = "tas2770 ASI1",
|
||||
.id = 0,
|
||||
.playback = {
|
||||
.stream_name = "ASI1 Playback",
|
||||
.channels_min = 2,
|
||||
.channels_max = 2,
|
||||
.rates = TAS2770_RATES,
|
||||
.formats = TAS2770_FORMATS,
|
||||
},
|
||||
.capture = {
|
||||
.stream_name = "ASI1 Capture",
|
||||
.channels_min = 0,
|
||||
.channels_max = 2,
|
||||
.rates = TAS2770_RATES,
|
||||
.formats = TAS2770_FORMATS,
|
||||
},
|
||||
.ops = &tas2770_dai_ops,
|
||||
.symmetric_rates = 1,
|
||||
},
|
||||
};
|
||||
|
||||
static int tas2770_codec_probe(struct snd_soc_component *component)
|
||||
{
|
||||
struct tas2770_priv *tas2770 =
|
||||
snd_soc_component_get_drvdata(component);
|
||||
|
||||
tas2770->component = component;
|
||||
|
||||
return 0;
|
||||
}
|
||||
|
||||
static DECLARE_TLV_DB_SCALE(tas2770_digital_tlv, 1100, 50, 0);
|
||||
static DECLARE_TLV_DB_SCALE(tas2770_playback_volume, -12750, 50, 0);
|
||||
|
||||
static const struct snd_kcontrol_new tas2770_snd_controls[] = {
|
||||
SOC_SINGLE_TLV("Speaker Playback Volume", TAS2770_PLAY_CFG_REG2,
|
||||
0, TAS2770_PLAY_CFG_REG2_VMAX, 1,
|
||||
tas2770_playback_volume),
|
||||
SOC_SINGLE_TLV("Amp Gain Volume", TAS2770_PLAY_CFG_REG0,
|
||||
0, 0x14, 0,
|
||||
tas2770_digital_tlv),
|
||||
};
|
||||
|
||||
static const struct snd_soc_component_driver soc_component_driver_tas2770 = {
|
||||
.probe = tas2770_codec_probe,
|
||||
.suspend = tas2770_codec_suspend,
|
||||
.resume = tas2770_codec_resume,
|
||||
.set_bias_level = tas2770_set_bias_level,
|
||||
.controls = tas2770_snd_controls,
|
||||
.num_controls = ARRAY_SIZE(tas2770_snd_controls),
|
||||
.dapm_widgets = tas2770_dapm_widgets,
|
||||
.num_dapm_widgets = ARRAY_SIZE(tas2770_dapm_widgets),
|
||||
.dapm_routes = tas2770_audio_map,
|
||||
.num_dapm_routes = ARRAY_SIZE(tas2770_audio_map),
|
||||
.idle_bias_on = 1,
|
||||
.endianness = 1,
|
||||
.non_legacy_dai_naming = 1,
|
||||
};
|
||||
|
||||
static int tas2770_register_codec(struct tas2770_priv *tas2770)
|
||||
{
|
||||
return devm_snd_soc_register_component(tas2770->dev,
|
||||
&soc_component_driver_tas2770,
|
||||
tas2770_dai_driver, ARRAY_SIZE(tas2770_dai_driver));
|
||||
}
|
||||
|
||||
static const struct reg_default tas2770_reg_defaults[] = {
|
||||
{ TAS2770_PAGE, 0x00 },
|
||||
{ TAS2770_SW_RST, 0x00 },
|
||||
{ TAS2770_PWR_CTRL, 0x0e },
|
||||
{ TAS2770_PLAY_CFG_REG0, 0x10 },
|
||||
{ TAS2770_PLAY_CFG_REG1, 0x01 },
|
||||
{ TAS2770_PLAY_CFG_REG2, 0x00 },
|
||||
{ TAS2770_MSC_CFG_REG0, 0x07 },
|
||||
{ TAS2770_TDM_CFG_REG1, 0x02 },
|
||||
{ TAS2770_TDM_CFG_REG2, 0x0a },
|
||||
{ TAS2770_TDM_CFG_REG3, 0x10 },
|
||||
{ TAS2770_INT_MASK_REG0, 0xfc },
|
||||
{ TAS2770_INT_MASK_REG1, 0xb1 },
|
||||
{ TAS2770_INT_CFG, 0x05 },
|
||||
{ TAS2770_MISC_IRQ, 0x81 },
|
||||
{ TAS2770_CLK_CGF, 0x0c },
|
||||
|
||||
};
|
||||
|
||||
static bool tas2770_volatile(struct device *dev, unsigned int reg)
|
||||
{
|
||||
switch (reg) {
|
||||
case TAS2770_PAGE: /* regmap implementation requires this */
|
||||
case TAS2770_SW_RST: /* always clears after write */
|
||||
case TAS2770_BO_PRV_REG0:/* has a self clearing bit */
|
||||
case TAS2770_LVE_INT_REG0:
|
||||
case TAS2770_LVE_INT_REG1:
|
||||
case TAS2770_LAT_INT_REG0:/* Sticky interrupt flags */
|
||||
case TAS2770_LAT_INT_REG1:/* Sticky interrupt flags */
|
||||
case TAS2770_VBAT_MSB:
|
||||
case TAS2770_VBAT_LSB:
|
||||
case TAS2770_TEMP_MSB:
|
||||
case TAS2770_TEMP_LSB:
|
||||
return true;
|
||||
}
|
||||
return false;
|
||||
}
|
||||
|
||||
static bool tas2770_writeable(struct device *dev, unsigned int reg)
|
||||
{
|
||||
switch (reg) {
|
||||
case TAS2770_LVE_INT_REG0:
|
||||
case TAS2770_LVE_INT_REG1:
|
||||
case TAS2770_LAT_INT_REG0:
|
||||
case TAS2770_LAT_INT_REG1:
|
||||
case TAS2770_VBAT_MSB:
|
||||
case TAS2770_VBAT_LSB:
|
||||
case TAS2770_TEMP_MSB:
|
||||
case TAS2770_TEMP_LSB:
|
||||
case TAS2770_TDM_CLK_DETC:
|
||||
case TAS2770_REV_AND_GPID:
|
||||
return false;
|
||||
}
|
||||
return true;
|
||||
}
|
||||
|
||||
static const struct regmap_range_cfg tas2770_regmap_ranges[] = {
|
||||
{
|
||||
.range_min = 0,
|
||||
.range_max = 1 * 128,
|
||||
.selector_reg = TAS2770_PAGE,
|
||||
.selector_mask = 0xff,
|
||||
.selector_shift = 0,
|
||||
.window_start = 0,
|
||||
.window_len = 128,
|
||||
},
|
||||
};
|
||||
|
||||
static const struct regmap_config tas2770_i2c_regmap = {
|
||||
.reg_bits = 8,
|
||||
.val_bits = 8,
|
||||
.writeable_reg = tas2770_writeable,
|
||||
.volatile_reg = tas2770_volatile,
|
||||
.reg_defaults = tas2770_reg_defaults,
|
||||
.num_reg_defaults = ARRAY_SIZE(tas2770_reg_defaults),
|
||||
.cache_type = REGCACHE_RBTREE,
|
||||
.ranges = tas2770_regmap_ranges,
|
||||
.num_ranges = ARRAY_SIZE(tas2770_regmap_ranges),
|
||||
.max_register = 1 * 128,
|
||||
};
|
||||
|
||||
static int tas2770_parse_dt(struct device *dev, struct tas2770_priv *tas2770)
|
||||
{
|
||||
int rc = 0;
|
||||
|
||||
rc = fwnode_property_read_u32(dev->fwnode, "ti,asi-format",
|
||||
&tas2770->asi_format);
|
||||
if (rc) {
|
||||
dev_err(tas2770->dev, "Looking up %s property failed %d\n",
|
||||
"ti,asi-format", rc);
|
||||
goto end;
|
||||
}
|
||||
|
||||
rc = fwnode_property_read_u32(dev->fwnode, "ti,imon-slot-no",
|
||||
&tas2770->i_sense_slot);
|
||||
if (rc) {
|
||||
dev_err(tas2770->dev, "Looking up %s property failed %d\n",
|
||||
"ti,imon-slot-no", rc);
|
||||
goto end;
|
||||
}
|
||||
|
||||
rc = fwnode_property_read_u32(dev->fwnode, "ti,vmon-slot-no",
|
||||
&tas2770->v_sense_slot);
|
||||
if (rc) {
|
||||
dev_err(tas2770->dev, "Looking up %s property failed %d\n",
|
||||
"ti,vmon-slot-no", rc);
|
||||
goto end;
|
||||
}
|
||||
|
||||
end:
|
||||
return rc;
|
||||
}
|
||||
|
||||
static int tas2770_i2c_probe(struct i2c_client *client,
|
||||
const struct i2c_device_id *id)
|
||||
{
|
||||
struct tas2770_priv *tas2770;
|
||||
int result;
|
||||
|
||||
tas2770 = devm_kzalloc(&client->dev,
|
||||
sizeof(struct tas2770_priv), GFP_KERNEL);
|
||||
if (!tas2770)
|
||||
return -ENOMEM;
|
||||
tas2770->dev = &client->dev;
|
||||
|
||||
i2c_set_clientdata(client, tas2770);
|
||||
dev_set_drvdata(&client->dev, tas2770);
|
||||
tas2770->power_state = TAS2770_POWER_SHUTDOWN;
|
||||
|
||||
tas2770->regmap = devm_regmap_init_i2c(client, &tas2770_i2c_regmap);
|
||||
if (IS_ERR(tas2770->regmap)) {
|
||||
result = PTR_ERR(tas2770->regmap);
|
||||
dev_err(&client->dev, "Failed to allocate register map: %d\n",
|
||||
result);
|
||||
goto end;
|
||||
}
|
||||
|
||||
if (client->dev.of_node) {
|
||||
result = tas2770_parse_dt(&client->dev, tas2770);
|
||||
if (result) {
|
||||
dev_err(tas2770->dev, "%s: Failed to parse devicetree\n",
|
||||
__func__);
|
||||
goto end;
|
||||
}
|
||||
}
|
||||
|
||||
tas2770->reset_gpio = devm_gpiod_get_optional(tas2770->dev,
|
||||
"reset-gpio",
|
||||
GPIOD_OUT_HIGH);
|
||||
if (IS_ERR(tas2770->reset_gpio)) {
|
||||
if (PTR_ERR(tas2770->reset_gpio) == -EPROBE_DEFER) {
|
||||
tas2770->reset_gpio = NULL;
|
||||
return -EPROBE_DEFER;
|
||||
}
|
||||
}
|
||||
|
||||
tas2770->channel_size = 0;
|
||||
tas2770->slot_width = 0;
|
||||
|
||||
tas2770_reset(tas2770);
|
||||
|
||||
result = tas2770_register_codec(tas2770);
|
||||
if (result)
|
||||
dev_err(tas2770->dev, "Register codec failed.\n");
|
||||
|
||||
end:
|
||||
return result;
|
||||
}
|
||||
|
||||
static int tas2770_i2c_remove(struct i2c_client *client)
|
||||
{
|
||||
pm_runtime_disable(&client->dev);
|
||||
return 0;
|
||||
}
|
||||
|
||||
|
||||
static const struct i2c_device_id tas2770_i2c_id[] = {
|
||||
{ "tas2770", 0},
|
||||
{ }
|
||||
};
|
||||
MODULE_DEVICE_TABLE(i2c, tas2770_i2c_id);
|
||||
|
||||
#if defined(CONFIG_OF)
|
||||
static const struct of_device_id tas2770_of_match[] = {
|
||||
{ .compatible = "ti,tas2770" },
|
||||
{},
|
||||
};
|
||||
MODULE_DEVICE_TABLE(of, tas2770_of_match);
|
||||
#endif
|
||||
|
||||
static struct i2c_driver tas2770_i2c_driver = {
|
||||
.driver = {
|
||||
.name = "tas2770",
|
||||
.owner = THIS_MODULE,
|
||||
.of_match_table = of_match_ptr(tas2770_of_match),
|
||||
},
|
||||
.probe = tas2770_i2c_probe,
|
||||
.remove = tas2770_i2c_remove,
|
||||
.id_table = tas2770_i2c_id,
|
||||
};
|
||||
|
||||
module_i2c_driver(tas2770_i2c_driver);
|
||||
|
||||
MODULE_AUTHOR("Shi Fu <shifu0704@thundersoft.com>");
|
||||
MODULE_DESCRIPTION("TAS2770 I2C Smart Amplifier driver");
|
||||
MODULE_LICENSE("GPL v2");
|
||||
|
|
@ -0,0 +1,164 @@
|
|||
/* SPDX-License-Identifier: GPL-2.0
|
||||
*
|
||||
* ALSA SoC TAS2770 codec driver
|
||||
*
|
||||
* Copyright (C) 2016-2017 Texas Instruments Incorporated - http://www.ti.com/
|
||||
*/
|
||||
#ifndef __TAS2770__
|
||||
#define __TAS2770__
|
||||
|
||||
/* Book Control Register (available in page0 of each book) */
|
||||
#define TAS2770_BOOKCTL_PAGE 0
|
||||
#define TAS2770_BOOKCTL_REG 127
|
||||
#define TAS2770_REG(page, reg) ((page * 128) + reg)
|
||||
/* Page */
|
||||
#define TAS2770_PAGE TAS2770_REG(0X0, 0x00)
|
||||
#define TAS2770_PAGE_PAGE_MASK 255
|
||||
/* Software Reset */
|
||||
#define TAS2770_SW_RST TAS2770_REG(0X0, 0x01)
|
||||
#define TAS2770_RST BIT(0)
|
||||
/* Power Control */
|
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#define TAS2770_PWR_CTRL TAS2770_REG(0X0, 0x02)
|
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#define TAS2770_PWR_CTRL_MASK 0x3
|
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#define TAS2770_PWR_CTRL_ACTIVE 0x0
|
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#define TAS2770_PWR_CTRL_MUTE BIT(0)
|
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#define TAS2770_PWR_CTRL_SHUTDOWN 0x2
|
||||
/* Playback Configuration Reg0 */
|
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#define TAS2770_PLAY_CFG_REG0 TAS2770_REG(0X0, 0x03)
|
||||
/* Playback Configuration Reg1 */
|
||||
#define TAS2770_PLAY_CFG_REG1 TAS2770_REG(0X0, 0x04)
|
||||
/* Playback Configuration Reg2 */
|
||||
#define TAS2770_PLAY_CFG_REG2 TAS2770_REG(0X0, 0x05)
|
||||
#define TAS2770_PLAY_CFG_REG2_VMAX 0xc9
|
||||
/* Misc Configuration Reg0 */
|
||||
#define TAS2770_MSC_CFG_REG0 TAS2770_REG(0X0, 0x07)
|
||||
/* TDM Configuration Reg0 */
|
||||
#define TAS2770_TDM_CFG_REG0 TAS2770_REG(0X0, 0x0A)
|
||||
#define TAS2770_TDM_CFG_REG0_SMP_MASK BIT(5)
|
||||
#define TAS2770_TDM_CFG_REG0_SMP_48KHZ 0x0
|
||||
#define TAS2770_TDM_CFG_REG0_SMP_44_1KHZ BIT(5)
|
||||
#define TAS2770_TDM_CFG_REG0_31_MASK 0xe
|
||||
#define TAS2770_TDM_CFG_REG0_31_44_1_48KHZ 0x6
|
||||
#define TAS2770_TDM_CFG_REG0_31_88_2_96KHZ 0x8
|
||||
#define TAS2770_TDM_CFG_REG0_31_176_4_192KHZ 0xa
|
||||
/* TDM Configuration Reg1 */
|
||||
#define TAS2770_TDM_CFG_REG1 TAS2770_REG(0X0, 0x0B)
|
||||
#define TAS2770_TDM_CFG_REG1_MASK 0x3e
|
||||
#define TAS2770_TDM_CFG_REG1_51_SHIFT 1
|
||||
#define TAS2770_TDM_CFG_REG1_RX_MASK BIT(0)
|
||||
#define TAS2770_TDM_CFG_REG1_RX_RSING 0x0
|
||||
#define TAS2770_TDM_CFG_REG1_RX_FALING BIT(0)
|
||||
/* TDM Configuration Reg2 */
|
||||
#define TAS2770_TDM_CFG_REG2 TAS2770_REG(0X0, 0x0C)
|
||||
#define TAS2770_TDM_CFG_REG2_RXW_MASK 0xc
|
||||
#define TAS2770_TDM_CFG_REG2_RXW_16BITS 0x0
|
||||
#define TAS2770_TDM_CFG_REG2_RXW_24BITS 0x8
|
||||
#define TAS2770_TDM_CFG_REG2_RXW_32BITS 0xc
|
||||
#define TAS2770_TDM_CFG_REG2_RXS_MASK 0x3
|
||||
#define TAS2770_TDM_CFG_REG2_RXS_16BITS 0x0
|
||||
#define TAS2770_TDM_CFG_REG2_RXS_24BITS BIT(0)
|
||||
#define TAS2770_TDM_CFG_REG2_RXS_32BITS 0x2
|
||||
/* TDM Configuration Reg3 */
|
||||
#define TAS2770_TDM_CFG_REG3 TAS2770_REG(0X0, 0x0D)
|
||||
#define TAS2770_TDM_CFG_REG3_RXS_MASK 0xf0
|
||||
#define TAS2770_TDM_CFG_REG3_RXS_SHIFT 0x4
|
||||
#define TAS2770_TDM_CFG_REG3_30_MASK 0xf
|
||||
#define TAS2770_TDM_CFG_REG3_30_SHIFT 0
|
||||
/* TDM Configuration Reg5 */
|
||||
#define TAS2770_TDM_CFG_REG5 TAS2770_REG(0X0, 0x0F)
|
||||
#define TAS2770_TDM_CFG_REG5_VSNS_MASK BIT(6)
|
||||
#define TAS2770_TDM_CFG_REG5_VSNS_ENABLE BIT(6)
|
||||
#define TAS2770_TDM_CFG_REG5_50_MASK 0x3f
|
||||
/* TDM Configuration Reg6 */
|
||||
#define TAS2770_TDM_CFG_REG6 TAS2770_REG(0X0, 0x10)
|
||||
#define TAS2770_TDM_CFG_REG6_ISNS_MASK BIT(6)
|
||||
#define TAS2770_TDM_CFG_REG6_ISNS_ENABLE BIT(6)
|
||||
#define TAS2770_TDM_CFG_REG6_50_MASK 0x3f
|
||||
/* Brown Out Prevention Reg0 */
|
||||
#define TAS2770_BO_PRV_REG0 TAS2770_REG(0X0, 0x1B)
|
||||
/* Interrupt MASK Reg0 */
|
||||
#define TAS2770_INT_MASK_REG0 TAS2770_REG(0X0, 0x20)
|
||||
#define TAS2770_INT_REG0_DEFAULT 0xfc
|
||||
#define TAS2770_INT_MASK_REG0_DISABLE 0xff
|
||||
/* Interrupt MASK Reg1 */
|
||||
#define TAS2770_INT_MASK_REG1 TAS2770_REG(0X0, 0x21)
|
||||
#define TAS2770_INT_REG1_DEFAULT 0xb1
|
||||
#define TAS2770_INT_MASK_REG1_DISABLE 0xff
|
||||
/* Live-Interrupt Reg0 */
|
||||
#define TAS2770_LVE_INT_REG0 TAS2770_REG(0X0, 0x22)
|
||||
/* Live-Interrupt Reg1 */
|
||||
#define TAS2770_LVE_INT_REG1 TAS2770_REG(0X0, 0x23)
|
||||
/* Latched-Interrupt Reg0 */
|
||||
#define TAS2770_LAT_INT_REG0 TAS2770_REG(0X0, 0x24)
|
||||
#define TAS2770_LAT_INT_REG0_OCE_FLG BIT(1)
|
||||
#define TAS2770_LAT_INT_REG0_OTE_FLG BIT(0)
|
||||
/* Latched-Interrupt Reg1 */
|
||||
#define TAS2770_LAT_INT_REG1 TAS2770_REG(0X0, 0x25)
|
||||
#define TAS2770_LAT_INT_REG1_VBA_TOV BIT(3)
|
||||
#define TAS2770_LAT_INT_REG1_VBA_TUV BIT(2)
|
||||
#define TAS2770_LAT_INT_REG1_BOUT_FLG BIT(1)
|
||||
/* VBAT MSB */
|
||||
#define TAS2770_VBAT_MSB TAS2770_REG(0X0, 0x27)
|
||||
/* VBAT LSB */
|
||||
#define TAS2770_VBAT_LSB TAS2770_REG(0X0, 0x28)
|
||||
/* TEMP MSB */
|
||||
#define TAS2770_TEMP_MSB TAS2770_REG(0X0, 0x29)
|
||||
/* TEMP LSB */
|
||||
#define TAS2770_TEMP_LSB TAS2770_REG(0X0, 0x2A)
|
||||
/* Interrupt Configuration */
|
||||
#define TAS2770_INT_CFG TAS2770_REG(0X0, 0x30)
|
||||
/* Misc IRQ */
|
||||
#define TAS2770_MISC_IRQ TAS2770_REG(0X0, 0x32)
|
||||
/* Clock Configuration */
|
||||
#define TAS2770_CLK_CGF TAS2770_REG(0X0, 0x3C)
|
||||
/* TDM Clock detection monitor */
|
||||
#define TAS2770_TDM_CLK_DETC TAS2770_REG(0X0, 0x77)
|
||||
/* Revision and PG ID */
|
||||
#define TAS2770_REV_AND_GPID TAS2770_REG(0X0, 0x7D)
|
||||
|
||||
#define TAS2770_POWER_ACTIVE 0
|
||||
#define TAS2770_POWER_MUTE 1
|
||||
#define TAS2770_POWER_SHUTDOWN 2
|
||||
#define ERROR_OVER_CURRENT 0x0000001
|
||||
#define ERROR_DIE_OVERTEMP 0x0000002
|
||||
#define ERROR_OVER_VOLTAGE 0x0000004
|
||||
#define ERROR_UNDER_VOLTAGE 0x0000008
|
||||
#define ERROR_BROWNOUT 0x0000010
|
||||
#define ERROR_CLASSD_PWR 0x0000020
|
||||
#define TAS2770_SLOT_16BIT 16
|
||||
#define TAS2770_SLOT_32BIT 32
|
||||
#define TAS2770_I2C_RETRY_COUNT 3
|
||||
|
||||
struct tas2770_register {
|
||||
int book;
|
||||
int page;
|
||||
int reg;
|
||||
};
|
||||
|
||||
struct tas2770_dai_cfg {
|
||||
unsigned int dai_fmt;
|
||||
unsigned int tdm_delay;
|
||||
};
|
||||
|
||||
struct tas2770_priv {
|
||||
struct device *dev;
|
||||
struct regmap *regmap;
|
||||
struct snd_soc_codec *codec;
|
||||
struct snd_soc_component *component;
|
||||
struct mutex dev_lock;
|
||||
struct hrtimer mtimer;
|
||||
int power_state;
|
||||
int asi_format;
|
||||
struct gpio_desc *reset_gpio;
|
||||
int sampling_rate;
|
||||
int frame_size;
|
||||
int channel_size;
|
||||
int slot_width;
|
||||
int v_sense_slot;
|
||||
int i_sense_slot;
|
||||
bool runtime_suspend;
|
||||
unsigned int err_code;
|
||||
struct mutex codec_lock;
|
||||
};
|
||||
|
||||
#endif /* __TAS2770__ */
|
||||
Loading…
Reference in New Issue