mirror of https://gitee.com/openkylin/linux.git
ASoC: tas2562: Introduce the TAS2562 amplifier
Introduce the Texas Instruments TAS2562 amplifier driver with I/V sense for loud speaker applications. http://www.ti.com/lit/gpn/tas2562 Signed-off-by: Dan Murphy <dmurphy@ti.com> Link: https://lore.kernel.org/r/20191008181517.5332-2-dmurphy@ti.com Signed-off-by: Mark Brown <broonie@kernel.org>
This commit is contained in:
Dan Murphy
Mark Brown
parent
a4eff5f86c
commit
c173dba44c
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@ -181,6 +181,7 @@ 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_TAS2562 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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@ -1133,6 +1134,10 @@ 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_TAS2562
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tristate "Texas Instruments TAS2562 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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@ -284,6 +284,7 @@ snd-soc-max98504-objs := max98504.o
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snd-soc-simple-amplifier-objs := simple-amplifier.o
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snd-soc-tpa6130a2-objs := tpa6130a2.o
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snd-soc-tas2552-objs := tas2552.o
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snd-soc-tas2562-objs := tas2562.o
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obj-$(CONFIG_SND_SOC_88PM860X) += snd-soc-88pm860x.o
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obj-$(CONFIG_SND_SOC_AB8500_CODEC) += snd-soc-ab8500-codec.o
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@ -481,6 +482,7 @@ obj-$(CONFIG_SND_SOC_STA529) += snd-soc-sta529.o
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obj-$(CONFIG_SND_SOC_STAC9766) += snd-soc-stac9766.o
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obj-$(CONFIG_SND_SOC_STI_SAS) += snd-soc-sti-sas.o
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obj-$(CONFIG_SND_SOC_TAS2552) += snd-soc-tas2552.o
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obj-$(CONFIG_SND_SOC_TAS2562) += snd-soc-tas2562.o
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obj-$(CONFIG_SND_SOC_TAS5086) += snd-soc-tas5086.o
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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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@ -0,0 +1,590 @@
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// SPDX-License-Identifier: GPL-2.0
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//
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// Driver for the Texas Instruments TAS2562 CODEC
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// Copyright (C) 2019 Texas Instruments Inc.
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#include <linux/module.h>
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#include <linux/errno.h>
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#include <linux/device.h>
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#include <linux/i2c.h>
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#include <linux/pm_runtime.h>
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#include <linux/regmap.h>
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#include <linux/slab.h>
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#include <linux/gpio/consumer.h>
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#include <linux/regulator/consumer.h>
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#include <linux/delay.h>
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#include <sound/pcm.h>
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#include <sound/pcm_params.h>
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#include <sound/soc.h>
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#include <sound/soc-dapm.h>
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#include <sound/tlv.h>
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#include "tas2562.h"
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#define TAS2562_FORMATS (SNDRV_PCM_FMTBIT_S16_LE | SNDRV_PCM_FMTBIT_S24_LE |\
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SNDRV_PCM_FORMAT_S32_LE)
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struct tas2562_data {
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struct snd_soc_component *component;
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struct gpio_desc *sdz_gpio;
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struct regmap *regmap;
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struct device *dev;
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struct i2c_client *client;
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int v_sense_slot;
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int i_sense_slot;
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};
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static int tas2562_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 tas2562_data *tas2562 =
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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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TAS2562_PWR_CTRL,
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TAS2562_MODE_MASK, TAS2562_ACTIVE);
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break;
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case SND_SOC_BIAS_STANDBY:
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case SND_SOC_BIAS_PREPARE:
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snd_soc_component_update_bits(component,
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TAS2562_PWR_CTRL,
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TAS2562_MODE_MASK, TAS2562_MUTE);
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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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TAS2562_PWR_CTRL,
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TAS2562_MODE_MASK, TAS2562_SHUTDOWN);
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break;
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default:
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dev_err(tas2562->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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static int tas2562_set_samplerate(struct tas2562_data *tas2562, int samplerate)
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{
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int samp_rate;
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int ramp_rate;
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switch (samplerate) {
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case 7350:
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ramp_rate = TAS2562_TDM_CFG0_RAMPRATE_44_1;
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samp_rate = TAS2562_TDM_CFG0_SAMPRATE_7305_8KHZ;
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break;
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case 8000:
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ramp_rate = 0;
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samp_rate = TAS2562_TDM_CFG0_SAMPRATE_7305_8KHZ;
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break;
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case 14700:
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ramp_rate = TAS2562_TDM_CFG0_RAMPRATE_44_1;
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samp_rate = TAS2562_TDM_CFG0_SAMPRATE_14_7_16KHZ;
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break;
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case 16000:
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ramp_rate = 0;
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samp_rate = TAS2562_TDM_CFG0_SAMPRATE_14_7_16KHZ;
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break;
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case 22050:
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ramp_rate = TAS2562_TDM_CFG0_RAMPRATE_44_1;
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samp_rate = TAS2562_TDM_CFG0_SAMPRATE_22_05_24KHZ;
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break;
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case 24000:
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ramp_rate = 0;
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samp_rate = TAS2562_TDM_CFG0_SAMPRATE_22_05_24KHZ;
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break;
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case 29400:
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ramp_rate = TAS2562_TDM_CFG0_RAMPRATE_44_1;
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samp_rate = TAS2562_TDM_CFG0_SAMPRATE_29_4_32KHZ;
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break;
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case 32000:
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ramp_rate = 0;
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samp_rate = TAS2562_TDM_CFG0_SAMPRATE_29_4_32KHZ;
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break;
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case 44100:
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ramp_rate = TAS2562_TDM_CFG0_RAMPRATE_44_1;
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samp_rate = TAS2562_TDM_CFG0_SAMPRATE_44_1_48KHZ;
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break;
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case 48000:
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ramp_rate = 0;
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samp_rate = TAS2562_TDM_CFG0_SAMPRATE_44_1_48KHZ;
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break;
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case 88200:
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ramp_rate = TAS2562_TDM_CFG0_RAMPRATE_44_1;
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samp_rate = TAS2562_TDM_CFG0_SAMPRATE_88_2_96KHZ;
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break;
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case 96000:
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ramp_rate = 0;
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samp_rate = TAS2562_TDM_CFG0_SAMPRATE_88_2_96KHZ;
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break;
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case 176400:
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ramp_rate = TAS2562_TDM_CFG0_RAMPRATE_44_1;
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samp_rate = TAS2562_TDM_CFG0_SAMPRATE_176_4_192KHZ;
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break;
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case 192000:
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ramp_rate = 0;
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samp_rate = TAS2562_TDM_CFG0_SAMPRATE_176_4_192KHZ;
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break;
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default:
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dev_info(tas2562->dev, "%s, unsupported sample rate, %d\n",
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__func__, samplerate);
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return -EINVAL;
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}
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snd_soc_component_update_bits(tas2562->component, TAS2562_TDM_CFG0,
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TAS2562_TDM_CFG0_RAMPRATE_MASK, ramp_rate);
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snd_soc_component_update_bits(tas2562->component, TAS2562_TDM_CFG0,
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TAS2562_TDM_CFG0_SAMPRATE_MASK, samp_rate);
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return 0;
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}
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static int tas2562_set_dai_tdm_slot(struct snd_soc_dai *dai,
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unsigned int tx_mask, unsigned int rx_mask,
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int slots, int slot_width)
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{
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struct snd_soc_component *component = dai->component;
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struct tas2562_data *tas2562 = snd_soc_component_get_drvdata(component);
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int ret = 0;
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switch (slot_width) {
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case 16:
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ret = snd_soc_component_update_bits(component,
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TAS2562_TDM_CFG2,
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TAS2562_TDM_CFG2_RXLEN_MASK,
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TAS2562_TDM_CFG2_RXLEN_16B);
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break;
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case 24:
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ret = snd_soc_component_update_bits(component,
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TAS2562_TDM_CFG2,
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TAS2562_TDM_CFG2_RXLEN_MASK,
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TAS2562_TDM_CFG2_RXLEN_24B);
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break;
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case 32:
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ret = snd_soc_component_update_bits(component,
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TAS2562_TDM_CFG2,
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TAS2562_TDM_CFG2_RXLEN_MASK,
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TAS2562_TDM_CFG2_RXLEN_32B);
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break;
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case 0:
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/* Do not change slot width */
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break;
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default:
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dev_err(tas2562->dev, "slot width not supported");
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ret = -EINVAL;
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}
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if (ret < 0)
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return ret;
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return 0;
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}
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static int tas2562_set_bitwidth(struct tas2562_data *tas2562, int bitwidth)
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{
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int ret;
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switch (bitwidth) {
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case SNDRV_PCM_FORMAT_S16_LE:
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snd_soc_component_update_bits(tas2562->component,
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TAS2562_TDM_CFG2,
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TAS2562_TDM_CFG2_RXWLEN_MASK,
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TAS2562_TDM_CFG2_RXWLEN_16B);
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tas2562->v_sense_slot = tas2562->i_sense_slot + 2;
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break;
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case SNDRV_PCM_FORMAT_S24_LE:
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snd_soc_component_update_bits(tas2562->component,
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TAS2562_TDM_CFG2,
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TAS2562_TDM_CFG2_RXWLEN_MASK,
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TAS2562_TDM_CFG2_RXWLEN_24B);
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tas2562->v_sense_slot = tas2562->i_sense_slot + 4;
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break;
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case SNDRV_PCM_FORMAT_S32_LE:
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snd_soc_component_update_bits(tas2562->component,
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TAS2562_TDM_CFG2,
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TAS2562_TDM_CFG2_RXWLEN_MASK,
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TAS2562_TDM_CFG2_RXWLEN_32B);
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tas2562->v_sense_slot = tas2562->i_sense_slot + 4;
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break;
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default:
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dev_info(tas2562->dev, "Not supported params format\n");
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}
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ret = snd_soc_component_update_bits(tas2562->component,
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TAS2562_TDM_CFG5,
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TAS2562_TDM_CFG5_VSNS_EN | TAS2562_TDM_CFG5_VSNS_SLOT_MASK,
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TAS2562_TDM_CFG5_VSNS_EN | tas2562->v_sense_slot);
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if (ret < 0)
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return ret;
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ret = snd_soc_component_update_bits(tas2562->component,
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TAS2562_TDM_CFG6,
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TAS2562_TDM_CFG6_ISNS_EN | TAS2562_TDM_CFG6_ISNS_SLOT_MASK,
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TAS2562_TDM_CFG6_ISNS_EN | tas2562->i_sense_slot);
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if (ret < 0)
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return ret;
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return 0;
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}
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static int tas2562_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 tas2562_data *tas2562 = snd_soc_component_get_drvdata(component);
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int ret;
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ret = tas2562_set_bitwidth(tas2562, params_format(params));
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if (ret) {
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dev_err(tas2562->dev, "set bitwidth failed, %d\n", ret);
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return ret;
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}
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ret = tas2562_set_samplerate(tas2562, params_rate(params));
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if (ret)
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dev_err(tas2562->dev, "set bitwidth failed, %d\n", ret);
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return ret;
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}
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static int tas2562_set_dai_fmt(struct snd_soc_dai *dai, unsigned int fmt)
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{
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struct snd_soc_component *component = dai->component;
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struct tas2562_data *tas2562 = snd_soc_component_get_drvdata(component);
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u8 tdm_rx_start_slot = 0, asi_cfg_1 = 0;
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int ret;
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switch (fmt & SND_SOC_DAIFMT_INV_MASK) {
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case SND_SOC_DAIFMT_NB_NF:
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asi_cfg_1 = 0;
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break;
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case SND_SOC_DAIFMT_IB_NF:
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asi_cfg_1 |= TAS2562_TDM_CFG1_RX_FALLING;
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break;
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default:
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dev_err(tas2562->dev, "ASI format Inverse is not found\n");
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return -EINVAL;
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}
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ret = snd_soc_component_update_bits(component, TAS2562_TDM_CFG1,
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TAS2562_TDM_CFG1_RX_EDGE_MASK,
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asi_cfg_1);
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if (ret < 0) {
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dev_err(tas2562->dev, "Failed to set RX edge\n");
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return ret;
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}
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switch (fmt & SND_SOC_DAIFMT_FORMAT_MASK) {
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case (SND_SOC_DAIFMT_I2S):
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case (SND_SOC_DAIFMT_DSP_A):
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case (SND_SOC_DAIFMT_DSP_B):
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tdm_rx_start_slot = BIT(1);
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break;
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case (SND_SOC_DAIFMT_LEFT_J):
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tdm_rx_start_slot = 0;
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break;
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default:
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dev_err(tas2562->dev, "DAI Format is not found, fmt=0x%x\n",
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fmt);
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ret = -EINVAL;
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break;
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}
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ret = snd_soc_component_update_bits(component, TAS2562_TDM_CFG1,
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TAS2562_TDM_CFG1_RX_OFFSET_MASK,
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tdm_rx_start_slot);
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if (ret < 0)
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return ret;
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return 0;
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}
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static int tas2562_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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return snd_soc_component_update_bits(component, TAS2562_PWR_CTRL,
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TAS2562_MODE_MASK,
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mute ? TAS2562_MUTE : 0);
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}
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static int tas2562_codec_probe(struct snd_soc_component *component)
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{
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struct tas2562_data *tas2562 = snd_soc_component_get_drvdata(component);
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int ret;
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tas2562->component = component;
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if (tas2562->sdz_gpio)
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gpiod_set_value_cansleep(tas2562->sdz_gpio, 1);
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ret = snd_soc_component_update_bits(component, TAS2562_PWR_CTRL,
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TAS2562_MODE_MASK, TAS2562_MUTE);
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if (ret < 0)
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return ret;
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return 0;
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}
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#ifdef CONFIG_PM
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static int tas2562_suspend(struct snd_soc_component *component)
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{
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struct tas2562_data *tas2562 = snd_soc_component_get_drvdata(component);
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regcache_cache_only(tas2562->regmap, true);
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regcache_mark_dirty(tas2562->regmap);
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if (tas2562->sdz_gpio)
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gpiod_set_value_cansleep(tas2562->sdz_gpio, 0);
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return 0;
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}
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static int tas2562_resume(struct snd_soc_component *component)
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{
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struct tas2562_data *tas2562 = snd_soc_component_get_drvdata(component);
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if (tas2562->sdz_gpio)
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gpiod_set_value_cansleep(tas2562->sdz_gpio, 1);
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regcache_cache_only(tas2562->regmap, false);
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return regcache_sync(tas2562->regmap);
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}
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#else
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#define tas2562_suspend NULL
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#define tas2562_resume NULL
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#endif
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static const char * const tas2562_ASI1_src[] = {
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"I2C offset", "Left", "Right", "LeftRightDiv2",
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};
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static SOC_ENUM_SINGLE_DECL(tas2562_ASI1_src_enum, TAS2562_TDM_CFG2, 4,
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tas2562_ASI1_src);
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static const struct snd_kcontrol_new tas2562_asi1_mux =
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SOC_DAPM_ENUM("ASI1 Source", tas2562_ASI1_src_enum);
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static int tas2562_dac_event(struct snd_soc_dapm_widget *w,
|
||||
struct snd_kcontrol *kcontrol, int event)
|
||||
{
|
||||
struct snd_soc_component *component =
|
||||
snd_soc_dapm_to_component(w->dapm);
|
||||
struct tas2562_data *tas2562 = snd_soc_component_get_drvdata(component);
|
||||
|
||||
switch (event) {
|
||||
case SND_SOC_DAPM_POST_PMU:
|
||||
dev_info(tas2562->dev, "SND_SOC_DAPM_POST_PMU\n");
|
||||
break;
|
||||
case SND_SOC_DAPM_PRE_PMD:
|
||||
dev_info(tas2562->dev, "SND_SOC_DAPM_PRE_PMD\n");
|
||||
break;
|
||||
default:
|
||||
break;
|
||||
}
|
||||
|
||||
return 0;
|
||||
}
|
||||
|
||||
static DECLARE_TLV_DB_SCALE(tas2562_dac_tlv, 850, 50, 0);
|
||||
|
||||
static const struct snd_kcontrol_new isense_switch =
|
||||
SOC_DAPM_SINGLE("Switch", TAS2562_PWR_CTRL, TAS2562_ISENSE_POWER_EN,
|
||||
1, 1);
|
||||
|
||||
static const struct snd_kcontrol_new vsense_switch =
|
||||
SOC_DAPM_SINGLE("Switch", TAS2562_PWR_CTRL, TAS2562_VSENSE_POWER_EN,
|
||||
1, 1);
|
||||
|
||||
static const struct snd_kcontrol_new tas2562_snd_controls[] = {
|
||||
SOC_SINGLE_TLV("Amp Gain Volume", TAS2562_PB_CFG1, 0, 0x1c, 0,
|
||||
tas2562_dac_tlv),
|
||||
};
|
||||
|
||||
static const struct snd_soc_dapm_widget tas2562_dapm_widgets[] = {
|
||||
SND_SOC_DAPM_AIF_IN("ASI1", "ASI1 Playback", 0, SND_SOC_NOPM, 0, 0),
|
||||
SND_SOC_DAPM_MUX("ASI1 Sel", SND_SOC_NOPM, 0, 0, &tas2562_asi1_mux),
|
||||
SND_SOC_DAPM_AIF_IN("DAC IN", "Playback", 0, SND_SOC_NOPM, 0, 0),
|
||||
SND_SOC_DAPM_DAC_E("DAC", NULL, SND_SOC_NOPM, 0, 0, tas2562_dac_event,
|
||||
SND_SOC_DAPM_POST_PMU | SND_SOC_DAPM_PRE_PMD),
|
||||
SND_SOC_DAPM_SWITCH("ISENSE", TAS2562_PWR_CTRL, 3, 1, &isense_switch),
|
||||
SND_SOC_DAPM_SWITCH("VSENSE", TAS2562_PWR_CTRL, 2, 1, &vsense_switch),
|
||||
SND_SOC_DAPM_SIGGEN("VMON"),
|
||||
SND_SOC_DAPM_SIGGEN("IMON"),
|
||||
SND_SOC_DAPM_OUTPUT("OUT"),
|
||||
};
|
||||
|
||||
static const struct snd_soc_dapm_route tas2562_audio_map[] = {
|
||||
{"ASI1 Sel", "I2C offset", "ASI1"},
|
||||
{"ASI1 Sel", "Left", "ASI1"},
|
||||
{"ASI1 Sel", "Right", "ASI1"},
|
||||
{"ASI1 Sel", "LeftRightDiv2", "ASI1"},
|
||||
{ "DAC", NULL, "DAC IN" },
|
||||
{ "OUT", NULL, "DAC" },
|
||||
{"ISENSE", "Switch", "IMON"},
|
||||
{"VSENSE", "Switch", "VMON"},
|
||||
};
|
||||
|
||||
static const struct snd_soc_component_driver soc_component_dev_tas2562 = {
|
||||
.probe = tas2562_codec_probe,
|
||||
.suspend = tas2562_suspend,
|
||||
.resume = tas2562_resume,
|
||||
.set_bias_level = tas2562_set_bias_level,
|
||||
.controls = tas2562_snd_controls,
|
||||
.num_controls = ARRAY_SIZE(tas2562_snd_controls),
|
||||
.dapm_widgets = tas2562_dapm_widgets,
|
||||
.num_dapm_widgets = ARRAY_SIZE(tas2562_dapm_widgets),
|
||||
.dapm_routes = tas2562_audio_map,
|
||||
.num_dapm_routes = ARRAY_SIZE(tas2562_audio_map),
|
||||
.idle_bias_on = 1,
|
||||
.use_pmdown_time = 1,
|
||||
.endianness = 1,
|
||||
.non_legacy_dai_naming = 1,
|
||||
};
|
||||
|
||||
static const struct snd_soc_dai_ops tas2562_speaker_dai_ops = {
|
||||
.hw_params = tas2562_hw_params,
|
||||
.set_fmt = tas2562_set_dai_fmt,
|
||||
.set_tdm_slot = tas2562_set_dai_tdm_slot,
|
||||
.digital_mute = tas2562_mute,
|
||||
};
|
||||
|
||||
static struct snd_soc_dai_driver tas2562_dai[] = {
|
||||
{
|
||||
.name = "tas2562-amplifier",
|
||||
.id = 0,
|
||||
.playback = {
|
||||
.stream_name = "ASI1 Playback",
|
||||
.channels_min = 2,
|
||||
.channels_max = 2,
|
||||
.rates = SNDRV_PCM_RATE_8000_192000,
|
||||
.formats = TAS2562_FORMATS,
|
||||
},
|
||||
.ops = &tas2562_speaker_dai_ops,
|
||||
},
|
||||
};
|
||||
|
||||
static const struct regmap_range_cfg tas2562_ranges[] = {
|
||||
{
|
||||
.range_min = 0,
|
||||
.range_max = 5 * 128,
|
||||
.selector_reg = TAS2562_PAGE_CTRL,
|
||||
.selector_mask = 0xff,
|
||||
.selector_shift = 0,
|
||||
.window_start = 0,
|
||||
.window_len = 128,
|
||||
},
|
||||
};
|
||||
|
||||
static const struct reg_default tas2562_reg_defaults[] = {
|
||||
{ TAS2562_PAGE_CTRL, 0x00 },
|
||||
{ TAS2562_SW_RESET, 0x00 },
|
||||
{ TAS2562_PWR_CTRL, 0x0e },
|
||||
{ TAS2562_PB_CFG1, 0x20 },
|
||||
{ TAS2562_TDM_CFG0, 0x09 },
|
||||
{ TAS2562_TDM_CFG1, 0x02 },
|
||||
};
|
||||
|
||||
static const struct regmap_config tas2562_regmap_config = {
|
||||
.reg_bits = 8,
|
||||
.val_bits = 8,
|
||||
|
||||
.max_register = 5 * 128,
|
||||
.cache_type = REGCACHE_RBTREE,
|
||||
.reg_defaults = tas2562_reg_defaults,
|
||||
.num_reg_defaults = ARRAY_SIZE(tas2562_reg_defaults),
|
||||
.ranges = tas2562_ranges,
|
||||
.num_ranges = ARRAY_SIZE(tas2562_ranges),
|
||||
};
|
||||
|
||||
static int tas2562_parse_dt(struct tas2562_data *tas2562)
|
||||
{
|
||||
struct device *dev = tas2562->dev;
|
||||
int ret = 0;
|
||||
|
||||
tas2562->sdz_gpio = devm_gpiod_get_optional(dev, "shut-down-gpio",
|
||||
GPIOD_OUT_HIGH);
|
||||
if (IS_ERR(tas2562->sdz_gpio)) {
|
||||
if (PTR_ERR(tas2562->sdz_gpio) == -EPROBE_DEFER) {
|
||||
tas2562->sdz_gpio = NULL;
|
||||
return -EPROBE_DEFER;
|
||||
}
|
||||
}
|
||||
|
||||
ret = fwnode_property_read_u32(dev->fwnode, "ti,imon-slot-no",
|
||||
&tas2562->i_sense_slot);
|
||||
if (ret)
|
||||
dev_err(dev, "Looking up %s property failed %d\n",
|
||||
"ti,imon-slot-no", ret);
|
||||
|
||||
return ret;
|
||||
}
|
||||
|
||||
static int tas2562_probe(struct i2c_client *client,
|
||||
const struct i2c_device_id *id)
|
||||
{
|
||||
struct device *dev = &client->dev;
|
||||
struct tas2562_data *data;
|
||||
int ret;
|
||||
|
||||
data = devm_kzalloc(dev, sizeof(*data), GFP_KERNEL);
|
||||
if (!data)
|
||||
return -ENOMEM;
|
||||
|
||||
data->client = client;
|
||||
data->dev = &client->dev;
|
||||
|
||||
tas2562_parse_dt(data);
|
||||
|
||||
data->regmap = devm_regmap_init_i2c(client, &tas2562_regmap_config);
|
||||
if (IS_ERR(data->regmap)) {
|
||||
ret = PTR_ERR(data->regmap);
|
||||
dev_err(dev, "failed to allocate register map: %d\n", ret);
|
||||
return ret;
|
||||
}
|
||||
|
||||
dev_set_drvdata(&client->dev, data);
|
||||
|
||||
return devm_snd_soc_register_component(dev, &soc_component_dev_tas2562,
|
||||
tas2562_dai,
|
||||
ARRAY_SIZE(tas2562_dai));
|
||||
|
||||
}
|
||||
|
||||
static const struct i2c_device_id tas2562_id[] = {
|
||||
{ "tas2562", 0 },
|
||||
{ }
|
||||
};
|
||||
MODULE_DEVICE_TABLE(i2c, tas2562_id);
|
||||
|
||||
static const struct of_device_id tas2562_of_match[] = {
|
||||
{ .compatible = "ti,tas2562", },
|
||||
{ },
|
||||
};
|
||||
MODULE_DEVICE_TABLE(of, tas2562_of_match);
|
||||
|
||||
static struct i2c_driver tas2562_i2c_driver = {
|
||||
.driver = {
|
||||
.name = "tas2562",
|
||||
.of_match_table = of_match_ptr(tas2562_of_match),
|
||||
},
|
||||
.probe = tas2562_probe,
|
||||
.id_table = tas2562_id,
|
||||
};
|
||||
|
||||
module_i2c_driver(tas2562_i2c_driver);
|
||||
|
||||
MODULE_AUTHOR("Dan Murphy <dmurphy@ti.com>");
|
||||
MODULE_DESCRIPTION("TAS2562 Audio amplifier driver");
|
||||
MODULE_LICENSE("GPL");
|
||||
|
|
@ -0,0 +1,85 @@
|
|||
/* SPDX-License-Identifier: GPL-2.0-only */
|
||||
/*
|
||||
* tas2562.h - ALSA SoC Texas Instruments TAS2562 Mono Audio Amplifier
|
||||
*
|
||||
* Copyright (C) 2019 Texas Instruments Incorporated - http://www.ti.com
|
||||
*
|
||||
* Author: Dan Murphy <dmurphy@ti.com>
|
||||
*/
|
||||
|
||||
#ifndef __TAS2562_H__
|
||||
#define __TAS2562_H__
|
||||
|
||||
#define TAS2562_PAGE_CTRL 0x00
|
||||
|
||||
#define TAS2562_REG(page, reg) ((page * 128) + reg)
|
||||
|
||||
#define TAS2562_SW_RESET TAS2562_REG(0, 0x01)
|
||||
#define TAS2562_PWR_CTRL TAS2562_REG(0, 0x02)
|
||||
#define TAS2562_PB_CFG1 TAS2562_REG(0, 0x03)
|
||||
#define TAS2562_MISC_CFG1 TAS2562_REG(0, 0x04)
|
||||
#define TAS2562_MISC_CFG2 TAS2562_REG(0, 0x05)
|
||||
|
||||
#define TAS2562_TDM_CFG0 TAS2562_REG(0, 0x06)
|
||||
#define TAS2562_TDM_CFG1 TAS2562_REG(0, 0x07)
|
||||
#define TAS2562_TDM_CFG2 TAS2562_REG(0, 0x08)
|
||||
#define TAS2562_TDM_CFG3 TAS2562_REG(0, 0x09)
|
||||
#define TAS2562_TDM_CFG4 TAS2562_REG(0, 0x0a)
|
||||
#define TAS2562_TDM_CFG5 TAS2562_REG(0, 0x0b)
|
||||
#define TAS2562_TDM_CFG6 TAS2562_REG(0, 0x0c)
|
||||
#define TAS2562_TDM_CFG7 TAS2562_REG(0, 0x0d)
|
||||
#define TAS2562_TDM_CFG8 TAS2562_REG(0, 0x0e)
|
||||
#define TAS2562_TDM_CFG9 TAS2562_REG(0, 0x0f)
|
||||
#define TAS2562_TDM_CFG10 TAS2562_REG(0, 0x10)
|
||||
#define TAS2562_TDM_DET TAS2562_REG(0, 0x11)
|
||||
#define TAS2562_REV_ID TAS2562_REG(0, 0x7d)
|
||||
|
||||
/* Page 2 */
|
||||
#define TAS2562_DVC_CFG1 TAS2562_REG(2, 0x01)
|
||||
#define TAS2562_DVC_CFG2 TAS2562_REG(2, 0x02)
|
||||
|
||||
#define TAS2562_RESET BIT(0)
|
||||
|
||||
#define TAS2562_MODE_MASK 0x3
|
||||
#define TAS2562_ACTIVE 0x0
|
||||
#define TAS2562_MUTE 0x1
|
||||
#define TAS2562_SHUTDOWN 0x2
|
||||
|
||||
#define TAS2562_TDM_CFG1_RX_EDGE_MASK BIT(0)
|
||||
#define TAS2562_TDM_CFG1_RX_FALLING 1
|
||||
#define TAS2562_TDM_CFG1_RX_OFFSET_MASK GENMASK(4, 0)
|
||||
|
||||
#define TAS2562_TDM_CFG0_RAMPRATE_MASK BIT(5)
|
||||
#define TAS2562_TDM_CFG0_RAMPRATE_44_1 BIT(5)
|
||||
#define TAS2562_TDM_CFG0_SAMPRATE_MASK GENMASK(3, 1)
|
||||
#define TAS2562_TDM_CFG0_SAMPRATE_7305_8KHZ 0x0
|
||||
#define TAS2562_TDM_CFG0_SAMPRATE_14_7_16KHZ 0x1
|
||||
#define TAS2562_TDM_CFG0_SAMPRATE_22_05_24KHZ 0x2
|
||||
#define TAS2562_TDM_CFG0_SAMPRATE_29_4_32KHZ 0x3
|
||||
#define TAS2562_TDM_CFG0_SAMPRATE_44_1_48KHZ 0x4
|
||||
#define TAS2562_TDM_CFG0_SAMPRATE_88_2_96KHZ 0x5
|
||||
#define TAS2562_TDM_CFG0_SAMPRATE_176_4_192KHZ 0x6
|
||||
|
||||
#define TAS2562_TDM_CFG2_RIGHT_JUSTIFY BIT(6)
|
||||
|
||||
#define TAS2562_TDM_CFG2_RXLEN_MASK GENMASK(0, 1)
|
||||
#define TAS2562_TDM_CFG2_RXLEN_16B 0x0
|
||||
#define TAS2562_TDM_CFG2_RXLEN_24B BIT(0)
|
||||
#define TAS2562_TDM_CFG2_RXLEN_32B BIT(1)
|
||||
|
||||
#define TAS2562_TDM_CFG2_RXWLEN_MASK GENMASK(3, 2)
|
||||
#define TAS2562_TDM_CFG2_RXWLEN_16B 0x0
|
||||
#define TAS2562_TDM_CFG2_RXWLEN_20B BIT(2)
|
||||
#define TAS2562_TDM_CFG2_RXWLEN_24B BIT(3)
|
||||
#define TAS2562_TDM_CFG2_RXWLEN_32B (BIT(2) | BIT(3))
|
||||
|
||||
#define TAS2562_VSENSE_POWER_EN BIT(2)
|
||||
#define TAS2562_ISENSE_POWER_EN BIT(3)
|
||||
|
||||
#define TAS2562_TDM_CFG5_VSNS_EN BIT(6)
|
||||
#define TAS2562_TDM_CFG5_VSNS_SLOT_MASK GENMASK(5, 0)
|
||||
|
||||
#define TAS2562_TDM_CFG6_ISNS_EN BIT(6)
|
||||
#define TAS2562_TDM_CFG6_ISNS_SLOT_MASK GENMASK(5, 0)
|
||||
|
||||
#endif /* __TAS2562_H__ */
|
||||
Loading…
Reference in New Issue