ASoC: add tas2780 driver
1.update Kconfig and Makefile 2.add tas2780.c and tas2780.h Signed-off-by: Raphael-Xu <13691752556@139.com> Link: https://lore.kernel.org/r/20220707123343.2403-1-13691752556@139.com Signed-off-by: Mark Brown <broonie@kernel.org>
This commit is contained in:
Raphael-Xu
Mark Brown
parent
0de876c125
commit
eae9f9ce18
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@ -219,6 +219,7 @@ config SND_SOC_ALL_CODECS
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imply SND_SOC_TAS2562
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imply SND_SOC_TAS2764
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imply SND_SOC_TAS2770
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imply SND_SOC_TAS2780
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imply SND_SOC_TAS5086
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imply SND_SOC_TAS571X
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imply SND_SOC_TAS5720
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@ -1535,6 +1536,13 @@ 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_TAS2780
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tristate "Texas Instruments TAS2780 Mono Audio amplifier"
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depends on I2C
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help
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Enable support for Texas Instruments TAS2780 high-efficiency
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digital input mono Class-D audio power amplifiers.
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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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@ -348,6 +348,7 @@ 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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snd-soc-tas2764-objs := tas2764.o
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snd-soc-tas2780-objs := tas2780.o
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# Mux
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snd-soc-simple-mux-objs := simple-mux.o
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@ -592,6 +593,7 @@ 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_TAS2764) += snd-soc-tas2764.o
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obj-$(CONFIG_SND_SOC_TAS2780) += snd-soc-tas2780.o
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obj-$(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 +1,663 @@
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// SPDX-License-Identifier: GPL-2.0
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// Driver for the Texas Instruments TAS2780 Mono
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// Audio amplifier
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// Copyright (C) 2022 Texas Instruments Inc.
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#include <linux/module.h>
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#include <linux/err.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/gpio/consumer.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 <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/tlv.h>
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#include "tas2780.h"
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struct tas2780_priv {
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struct snd_soc_component *component;
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struct gpio_desc *reset_gpio;
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struct regmap *regmap;
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struct device *dev;
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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 void tas2780_reset(struct tas2780_priv *tas2780)
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{
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int ret = 0;
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if (tas2780->reset_gpio) {
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gpiod_set_value_cansleep(tas2780->reset_gpio, 0);
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usleep_range(2000, 2050);
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gpiod_set_value_cansleep(tas2780->reset_gpio, 1);
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usleep_range(2000, 2050);
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}
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snd_soc_component_write(tas2780->component, TAS2780_SW_RST,
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TAS2780_RST);
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if (ret)
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dev_err(tas2780->dev, "%s:errCode:0x%x Reset error!\n",
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__func__, ret);
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}
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#ifdef CONFIG_PM
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static int tas2780_codec_suspend(struct snd_soc_component *component)
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{
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struct tas2780_priv *tas2780 =
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snd_soc_component_get_drvdata(component);
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int ret = 0;
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ret = snd_soc_component_update_bits(component, TAS2780_PWR_CTRL,
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TAS2780_PWR_CTRL_MASK, TAS2780_PWR_CTRL_SHUTDOWN);
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if (ret < 0) {
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dev_err(tas2780->dev, "%s:errCode:0x%0x:power down error\n",
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__func__, ret);
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goto err;
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}
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ret = 0;
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regcache_cache_only(tas2780->regmap, true);
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regcache_mark_dirty(tas2780->regmap);
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err:
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return ret;
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}
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static int tas2780_codec_resume(struct snd_soc_component *component)
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{
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struct tas2780_priv *tas2780 =
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snd_soc_component_get_drvdata(component);
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int ret = 0;
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ret = snd_soc_component_update_bits(component, TAS2780_PWR_CTRL,
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TAS2780_PWR_CTRL_MASK, TAS2780_PWR_CTRL_ACTIVE);
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if (ret < 0) {
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dev_err(tas2780->dev, "%s:errCode:0x%0x:power down error\n",
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__func__, ret);
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goto err;
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}
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ret = 0;
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regcache_cache_only(tas2780->regmap, false);
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ret = regcache_sync(tas2780->regmap);
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err:
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return ret;
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}
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#endif
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static const char * const tas2780_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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tas2780_ASI1_src_enum, TAS2780_TDM_CFG2, 4, tas2780_ASI1_src);
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static const struct snd_kcontrol_new tas2780_asi1_mux =
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SOC_DAPM_ENUM("ASI1 Source", tas2780_ASI1_src_enum);
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static const struct snd_kcontrol_new isense_switch =
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SOC_DAPM_SINGLE("Switch", TAS2780_PWR_CTRL,
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TAS2780_ISENSE_POWER_EN, 1, 1);
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static const struct snd_kcontrol_new vsense_switch =
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SOC_DAPM_SINGLE("Switch", TAS2780_PWR_CTRL,
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TAS2780_VSENSE_POWER_EN, 1, 1);
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static const struct snd_soc_dapm_widget tas2780_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, &tas2780_asi1_mux),
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SND_SOC_DAPM_SWITCH("ISENSE", TAS2780_PWR_CTRL,
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TAS2780_ISENSE_POWER_EN, 1, &isense_switch),
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SND_SOC_DAPM_SWITCH("VSENSE", TAS2780_PWR_CTRL,
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TAS2780_VSENSE_POWER_EN, 1, &vsense_switch),
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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 tas2780_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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{"OUT", NULL, "ASI1 Sel"},
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{"ISENSE", "Switch", "IMON"},
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{"VSENSE", "Switch", "VMON"},
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};
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static int tas2780_mute(struct snd_soc_dai *dai, int mute, int direction)
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{
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struct snd_soc_component *component = dai->component;
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struct tas2780_priv *tas2780 =
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snd_soc_component_get_drvdata(component);
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int ret = 0;
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ret = snd_soc_component_update_bits(component, TAS2780_PWR_CTRL,
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TAS2780_PWR_CTRL_MASK,
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mute ? TAS2780_PWR_CTRL_MUTE : 0);
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if (ret < 0) {
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dev_err(tas2780->dev, "%s: Failed to set powercontrol\n",
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__func__);
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goto err;
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}
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ret = 0;
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err:
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return ret;
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}
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static int tas2780_set_bitwidth(struct tas2780_priv *tas2780, int bitwidth)
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{
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struct snd_soc_component *component = tas2780->component;
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int sense_en;
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int val;
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int ret;
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int slot_size;
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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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TAS2780_TDM_CFG2,
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TAS2780_TDM_CFG2_RXW_MASK,
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TAS2780_TDM_CFG2_RXW_16BITS);
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slot_size = TAS2780_TDM_CFG2_RXS_16BITS;
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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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TAS2780_TDM_CFG2,
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TAS2780_TDM_CFG2_RXW_MASK,
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TAS2780_TDM_CFG2_RXW_24BITS);
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slot_size = TAS2780_TDM_CFG2_RXS_24BITS;
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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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TAS2780_TDM_CFG2,
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TAS2780_TDM_CFG2_RXW_MASK,
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TAS2780_TDM_CFG2_RXW_32BITS);
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slot_size = TAS2780_TDM_CFG2_RXS_32BITS;
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break;
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default:
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ret = -EINVAL;
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}
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if (ret < 0) {
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dev_err(tas2780->dev, "%s:errCode:0x%x set bitwidth error\n",
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__func__, ret);
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goto err;
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}
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ret = snd_soc_component_update_bits(component, TAS2780_TDM_CFG2,
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TAS2780_TDM_CFG2_RXS_MASK, slot_size);
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if (ret < 0) {
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dev_err(tas2780->dev,
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"%s:errCode:0x%x set RX slot size error\n",
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__func__, ret);
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goto err;
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}
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val = snd_soc_component_read(tas2780->component, TAS2780_PWR_CTRL);
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if (val < 0) {
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dev_err(tas2780->dev, "%s:errCode:0x%x read PWR_CTRL error\n",
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__func__, val);
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ret = val;
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goto err;
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}
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if (val & (1 << TAS2780_VSENSE_POWER_EN))
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sense_en = 0;
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else
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sense_en = TAS2780_TDM_CFG5_VSNS_ENABLE;
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ret = snd_soc_component_update_bits(tas2780->component,
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TAS2780_TDM_CFG5, TAS2780_TDM_CFG5_VSNS_ENABLE, sense_en);
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if (ret < 0) {
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dev_err(tas2780->dev, "%s:errCode:0x%x enable vSNS error\n",
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__func__, ret);
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goto err;
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}
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if (val & (1 << TAS2780_ISENSE_POWER_EN))
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sense_en = 0;
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else
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sense_en = TAS2780_TDM_CFG6_ISNS_ENABLE;
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ret = snd_soc_component_update_bits(tas2780->component,
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TAS2780_TDM_CFG6, TAS2780_TDM_CFG6_ISNS_ENABLE, sense_en);
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if (ret < 0) {
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dev_err(tas2780->dev, "%s:errCode:0x%x enable iSNS error\n",
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__func__, ret);
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goto err;
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}
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ret = 0;
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err:
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return ret;
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}
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static int tas2780_set_samplerate(
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struct tas2780_priv *tas2780, int samplerate)
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{
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struct snd_soc_component *component = tas2780->component;
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int ramp_rate_val;
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int ret;
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switch (samplerate) {
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case 48000:
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ramp_rate_val = TAS2780_TDM_CFG0_SMP_48KHZ |
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TAS2780_TDM_CFG0_44_1_48KHZ;
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break;
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case 44100:
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ramp_rate_val = TAS2780_TDM_CFG0_SMP_44_1KHZ |
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TAS2780_TDM_CFG0_44_1_48KHZ;
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break;
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case 96000:
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ramp_rate_val = TAS2780_TDM_CFG0_SMP_48KHZ |
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TAS2780_TDM_CFG0_88_2_96KHZ;
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break;
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case 88200:
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ramp_rate_val = TAS2780_TDM_CFG0_SMP_44_1KHZ |
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TAS2780_TDM_CFG0_88_2_96KHZ;
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break;
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default:
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return -EINVAL;
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}
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ret = snd_soc_component_update_bits(component, TAS2780_TDM_CFG0,
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TAS2780_TDM_CFG0_SMP_MASK | TAS2780_TDM_CFG0_MASK,
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ramp_rate_val);
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if (ret < 0) {
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dev_err(tas2780->dev,
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"%s:errCode:0x%x Failed to set ramp_rate_val\n",
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__func__, ret);
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goto err;
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}
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ret = 0;
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err:
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return ret;
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}
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static int tas2780_hw_params(struct snd_pcm_substream *substream,
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struct snd_pcm_hw_params *params, 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 tas2780_priv *tas2780 =
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snd_soc_component_get_drvdata(component);
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int ret;
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ret = tas2780_set_bitwidth(tas2780, params_format(params));
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if (ret < 0)
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return ret;
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return tas2780_set_samplerate(tas2780, params_rate(params));
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}
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static int tas2780_set_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 tas2780_priv *tas2780 =
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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 iface;
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int ret = 0;
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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 = TAS2780_TDM_CFG1_RX_RISING;
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break;
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case SND_SOC_DAIFMT_IB_NF:
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asi_cfg_1 = TAS2780_TDM_CFG1_RX_FALLING;
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break;
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default:
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dev_err(tas2780->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, TAS2780_TDM_CFG1,
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TAS2780_TDM_CFG1_RX_MASK, asi_cfg_1);
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if (ret < 0) {
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dev_err(tas2780->dev,
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"%s:errCode:0x%x Failed to set asi_cfg_1\n",
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__func__, ret);
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goto err;
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}
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if (((fmt & SND_SOC_DAIFMT_FORMAT_MASK) == SND_SOC_DAIFMT_I2S)
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|| ((fmt & SND_SOC_DAIFMT_FORMAT_MASK)
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== SND_SOC_DAIFMT_DSP_A)){
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iface = TAS2780_TDM_CFG2_SCFG_I2S;
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tdm_rx_start_slot = 1;
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} else {
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if (((fmt & SND_SOC_DAIFMT_FORMAT_MASK)
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== SND_SOC_DAIFMT_DSP_B)
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|| ((fmt & SND_SOC_DAIFMT_FORMAT_MASK)
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== SND_SOC_DAIFMT_LEFT_J)) {
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iface = TAS2780_TDM_CFG2_SCFG_LEFT_J;
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tdm_rx_start_slot = 0;
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} else {
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dev_err(tas2780->dev,
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"%s:DAI Format is not found, fmt=0x%x\n",
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__func__, fmt);
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ret = -EINVAL;
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goto err;
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}
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}
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ret = snd_soc_component_update_bits(component, TAS2780_TDM_CFG1,
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TAS2780_TDM_CFG1_MASK,
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(tdm_rx_start_slot << TAS2780_TDM_CFG1_51_SHIFT));
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if (ret < 0) {
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dev_err(tas2780->dev,
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"%s:errCode:0x%x Failed to set tdm_rx_start_slot\n",
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__func__, ret);
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goto err;
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}
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ret = snd_soc_component_update_bits(component, TAS2780_TDM_CFG2,
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TAS2780_TDM_CFG2_SCFG_MASK, iface);
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if (ret < 0) {
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dev_err(tas2780->dev, "%s:errCode:0x%x Failed to set iface\n",
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__func__, ret);
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goto err;
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}
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ret = 0;
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err:
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return ret;
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}
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static int tas2780_set_dai_tdm_slot(struct snd_soc_dai *dai,
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unsigned int tx_mask,
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unsigned int rx_mask,
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int slots, int slot_width)
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{
|
||||
struct snd_soc_component *component = dai->component;
|
||||
struct tas2780_priv *tas2780 =
|
||||
snd_soc_component_get_drvdata(component);
|
||||
int left_slot, right_slot;
|
||||
int slots_cfg;
|
||||
int slot_size;
|
||||
int ret = 0;
|
||||
|
||||
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;
|
||||
|
||||
slots_cfg = (right_slot << TAS2780_TDM_CFG3_RXS_SHIFT) | left_slot;
|
||||
ret = snd_soc_component_write(component, TAS2780_TDM_CFG3, slots_cfg);
|
||||
if (ret) {
|
||||
dev_err(tas2780->dev,
|
||||
"%s:errCode:0x%x Failed to set slots_cfg\n",
|
||||
__func__, ret);
|
||||
goto err;
|
||||
}
|
||||
|
||||
switch (slot_width) {
|
||||
case 16:
|
||||
slot_size = TAS2780_TDM_CFG2_RXS_16BITS;
|
||||
break;
|
||||
case 24:
|
||||
slot_size = TAS2780_TDM_CFG2_RXS_24BITS;
|
||||
break;
|
||||
case 32:
|
||||
slot_size = TAS2780_TDM_CFG2_RXS_32BITS;
|
||||
break;
|
||||
default:
|
||||
ret = -EINVAL;
|
||||
goto err;
|
||||
}
|
||||
|
||||
ret = snd_soc_component_update_bits(component, TAS2780_TDM_CFG2,
|
||||
TAS2780_TDM_CFG2_RXS_MASK, slot_size);
|
||||
if (ret < 0) {
|
||||
dev_err(tas2780->dev,
|
||||
"%s:errCode:0x%x Failed to set slot_size\n",
|
||||
__func__, ret);
|
||||
goto err;
|
||||
}
|
||||
|
||||
ret = snd_soc_component_update_bits(component, TAS2780_TDM_CFG5,
|
||||
TAS2780_TDM_CFG5_50_MASK, tas2780->v_sense_slot);
|
||||
if (ret < 0) {
|
||||
dev_err(tas2780->dev,
|
||||
"%s:errCode:0x%x Failed to set v_sense_slot\n",
|
||||
__func__, ret);
|
||||
goto err;
|
||||
}
|
||||
|
||||
ret = snd_soc_component_update_bits(component, TAS2780_TDM_CFG6,
|
||||
TAS2780_TDM_CFG6_50_MASK, tas2780->i_sense_slot);
|
||||
if (ret < 0) {
|
||||
dev_err(tas2780->dev,
|
||||
"%s:errCode:0x%x Failed to set i_sense_slot\n",
|
||||
__func__, ret);
|
||||
goto err;
|
||||
}
|
||||
ret = 0;
|
||||
err:
|
||||
return ret;
|
||||
}
|
||||
|
||||
static const struct snd_soc_dai_ops tas2780_dai_ops = {
|
||||
.mute_stream = tas2780_mute,
|
||||
.hw_params = tas2780_hw_params,
|
||||
.set_fmt = tas2780_set_fmt,
|
||||
.set_tdm_slot = tas2780_set_dai_tdm_slot,
|
||||
.no_capture_mute = 1,
|
||||
};
|
||||
|
||||
#define TAS2780_FORMATS (SNDRV_PCM_FMTBIT_S16_LE | SNDRV_PCM_FMTBIT_S20_3LE |\
|
||||
SNDRV_PCM_FMTBIT_S24_LE | SNDRV_PCM_FMTBIT_S32_LE)
|
||||
|
||||
#define TAS2780_RATES (SNDRV_PCM_RATE_44100 | SNDRV_PCM_RATE_48000 |\
|
||||
SNDRV_PCM_RATE_96000 | SNDRV_PCM_RATE_88200)
|
||||
|
||||
static struct snd_soc_dai_driver tas2780_dai_driver[] = {
|
||||
{
|
||||
.name = "tas2780 ASI1",
|
||||
.id = 0,
|
||||
.playback = {
|
||||
.stream_name = "ASI1 Playback",
|
||||
.channels_min = 2,
|
||||
.channels_max = 2,
|
||||
.rates = TAS2780_RATES,
|
||||
.formats = TAS2780_FORMATS,
|
||||
},
|
||||
.capture = {
|
||||
.stream_name = "ASI1 Capture",
|
||||
.channels_min = 1,
|
||||
.channels_max = 2,
|
||||
.rates = TAS2780_RATES,
|
||||
.formats = TAS2780_FORMATS,
|
||||
},
|
||||
.ops = &tas2780_dai_ops,
|
||||
.symmetric_rate = 1,
|
||||
},
|
||||
};
|
||||
|
||||
static int tas2780_codec_probe(struct snd_soc_component *component)
|
||||
{
|
||||
struct tas2780_priv *tas2780 =
|
||||
snd_soc_component_get_drvdata(component);
|
||||
int ret = 0;
|
||||
|
||||
tas2780->component = component;
|
||||
|
||||
tas2780_reset(tas2780);
|
||||
ret = snd_soc_component_update_bits(component,
|
||||
TAS2780_IC_CFG, TAS2780_IC_CFG_MASK,
|
||||
TAS2780_IC_CFG_ENABLE);
|
||||
if (ret < 0)
|
||||
dev_err(tas2780->dev, "%s:errCode:0x%0x\n",
|
||||
__func__, ret);
|
||||
|
||||
return ret;
|
||||
}
|
||||
|
||||
static DECLARE_TLV_DB_SCALE(tas2780_digital_tlv, 1100, 50, 0);
|
||||
static DECLARE_TLV_DB_SCALE(tas2780_playback_volume, -10000, 50, 0);
|
||||
|
||||
static const struct snd_kcontrol_new tas2780_snd_controls[] = {
|
||||
SOC_SINGLE_TLV("Speaker Volume", TAS2780_DVC, 0,
|
||||
TAS2780_DVC_MAX, 1, tas2780_playback_volume),
|
||||
SOC_SINGLE_TLV("Amp Gain Volume", TAS2780_CHNL_0, 0, 0x14, 0,
|
||||
tas2780_digital_tlv),
|
||||
};
|
||||
|
||||
static const struct snd_soc_component_driver soc_component_driver_tas2780 = {
|
||||
.probe = tas2780_codec_probe,
|
||||
#ifdef CONFIG_PM
|
||||
.suspend = tas2780_codec_suspend,
|
||||
.resume = tas2780_codec_resume,
|
||||
#endif
|
||||
.controls = tas2780_snd_controls,
|
||||
.num_controls = ARRAY_SIZE(tas2780_snd_controls),
|
||||
.dapm_widgets = tas2780_dapm_widgets,
|
||||
.num_dapm_widgets = ARRAY_SIZE(tas2780_dapm_widgets),
|
||||
.dapm_routes = tas2780_audio_map,
|
||||
.num_dapm_routes = ARRAY_SIZE(tas2780_audio_map),
|
||||
.idle_bias_on = 1,
|
||||
.endianness = 1,
|
||||
};
|
||||
|
||||
static const struct reg_default tas2780_reg_defaults[] = {
|
||||
{ TAS2780_PAGE, 0x00 },
|
||||
{ TAS2780_SW_RST, 0x00 },
|
||||
{ TAS2780_PWR_CTRL, 0x1a },
|
||||
{ TAS2780_DVC, 0x00 },
|
||||
{ TAS2780_CHNL_0, 0x00 },
|
||||
{ TAS2780_TDM_CFG0, 0x09 },
|
||||
{ TAS2780_TDM_CFG1, 0x02 },
|
||||
{ TAS2780_TDM_CFG2, 0x0a },
|
||||
{ TAS2780_TDM_CFG3, 0x10 },
|
||||
{ TAS2780_TDM_CFG5, 0x42 },
|
||||
};
|
||||
|
||||
static const struct regmap_range_cfg tas2780_regmap_ranges[] = {
|
||||
{
|
||||
.range_min = 0,
|
||||
.range_max = 1 * 128,
|
||||
.selector_reg = TAS2780_PAGE,
|
||||
.selector_mask = 0xff,
|
||||
.selector_shift = 0,
|
||||
.window_start = 0,
|
||||
.window_len = 128,
|
||||
},
|
||||
};
|
||||
|
||||
static const struct regmap_config tas2780_i2c_regmap = {
|
||||
.reg_bits = 8,
|
||||
.val_bits = 8,
|
||||
.reg_defaults = tas2780_reg_defaults,
|
||||
.num_reg_defaults = ARRAY_SIZE(tas2780_reg_defaults),
|
||||
.cache_type = REGCACHE_RBTREE,
|
||||
.ranges = tas2780_regmap_ranges,
|
||||
.num_ranges = ARRAY_SIZE(tas2780_regmap_ranges),
|
||||
.max_register = 1 * 128,
|
||||
};
|
||||
|
||||
static int tas2780_parse_dt(struct device *dev, struct tas2780_priv *tas2780)
|
||||
{
|
||||
int ret = 0;
|
||||
|
||||
tas2780->reset_gpio = devm_gpiod_get_optional(tas2780->dev, "reset",
|
||||
GPIOD_OUT_HIGH);
|
||||
if (IS_ERR(tas2780->reset_gpio)) {
|
||||
if (PTR_ERR(tas2780->reset_gpio) == -EPROBE_DEFER) {
|
||||
tas2780->reset_gpio = NULL;
|
||||
return -EPROBE_DEFER;
|
||||
}
|
||||
}
|
||||
|
||||
ret = fwnode_property_read_u32(dev->fwnode, "ti,imon-slot-no",
|
||||
&tas2780->i_sense_slot);
|
||||
if (ret)
|
||||
tas2780->i_sense_slot = 0;
|
||||
|
||||
ret = fwnode_property_read_u32(dev->fwnode, "ti,vmon-slot-no",
|
||||
&tas2780->v_sense_slot);
|
||||
if (ret)
|
||||
tas2780->v_sense_slot = 2;
|
||||
|
||||
return 0;
|
||||
}
|
||||
|
||||
static int tas2780_i2c_probe(struct i2c_client *client,
|
||||
const struct i2c_device_id *id)
|
||||
{
|
||||
struct tas2780_priv *tas2780;
|
||||
int result;
|
||||
|
||||
tas2780 = devm_kzalloc(&client->dev, sizeof(struct tas2780_priv),
|
||||
GFP_KERNEL);
|
||||
if (!tas2780)
|
||||
return -ENOMEM;
|
||||
tas2780->dev = &client->dev;
|
||||
i2c_set_clientdata(client, tas2780);
|
||||
dev_set_drvdata(&client->dev, tas2780);
|
||||
|
||||
tas2780->regmap = devm_regmap_init_i2c(client, &tas2780_i2c_regmap);
|
||||
if (IS_ERR(tas2780->regmap)) {
|
||||
result = PTR_ERR(tas2780->regmap);
|
||||
dev_err(&client->dev, "Failed to allocate register map: %d\n",
|
||||
result);
|
||||
return result;
|
||||
}
|
||||
|
||||
if (client->dev.of_node) {
|
||||
result = tas2780_parse_dt(&client->dev, tas2780);
|
||||
if (result) {
|
||||
dev_err(tas2780->dev,
|
||||
"%s: Failed to parse devicetree\n", __func__);
|
||||
return result;
|
||||
}
|
||||
}
|
||||
|
||||
return devm_snd_soc_register_component(tas2780->dev,
|
||||
&soc_component_driver_tas2780, tas2780_dai_driver,
|
||||
ARRAY_SIZE(tas2780_dai_driver));
|
||||
}
|
||||
|
||||
static const struct i2c_device_id tas2780_i2c_id[] = {
|
||||
{ "tas2780", 0},
|
||||
{ }
|
||||
};
|
||||
MODULE_DEVICE_TABLE(i2c, tas2780_i2c_id);
|
||||
|
||||
#if defined(CONFIG_OF)
|
||||
static const struct of_device_id tas2780_of_match[] = {
|
||||
{ .compatible = "ti,tas2780" },
|
||||
{},
|
||||
};
|
||||
MODULE_DEVICE_TABLE(of, tas2780_of_match);
|
||||
#endif
|
||||
|
||||
static struct i2c_driver tas2780_i2c_driver = {
|
||||
.driver = {
|
||||
.name = "tas2780",
|
||||
.of_match_table = of_match_ptr(tas2780_of_match),
|
||||
},
|
||||
.probe = tas2780_i2c_probe,
|
||||
.id_table = tas2780_i2c_id,
|
||||
};
|
||||
module_i2c_driver(tas2780_i2c_driver);
|
||||
|
||||
MODULE_AUTHOR("Raphael Xu <raphael-xu@ti.com>");
|
||||
MODULE_DESCRIPTION("TAS2780 I2C Smart Amplifier driver");
|
||||
MODULE_LICENSE("GPL");
|
||||
|
|
@ -0,0 +1,101 @@
|
|||
/* SPDX-License-Identifier: GPL-2.0-only */
|
||||
/*
|
||||
* TAS2780.h - ALSA SoC Texas Instruments TAS2780 Mono Audio Amplifier
|
||||
*
|
||||
* Copyright (C) 2020-2022 Texas Instruments Incorporated - https://www.ti.com
|
||||
*
|
||||
* Author: Raphael Xu <raphael-xu@ti.com>
|
||||
*/
|
||||
|
||||
#ifndef __TAS2780_H__
|
||||
#define __TAS2780_H__
|
||||
|
||||
/* Book Control Register */
|
||||
#define TAS2780_BOOKCTL_PAGE 0
|
||||
#define TAS2780_BOOKCTL_REG 127
|
||||
#define TAS2780_REG(page, reg) ((page * 128) + reg)
|
||||
|
||||
/* Page */
|
||||
#define TAS2780_PAGE TAS2780_REG(0X0, 0x00)
|
||||
#define TAS2780_PAGE_PAGE_MASK 255
|
||||
|
||||
/* Software Reset */
|
||||
#define TAS2780_SW_RST TAS2780_REG(0X0, 0x01)
|
||||
#define TAS2780_RST BIT(0)
|
||||
|
||||
/* Power Control */
|
||||
#define TAS2780_PWR_CTRL TAS2780_REG(0X0, 0x02)
|
||||
#define TAS2780_PWR_CTRL_MASK GENMASK(1, 0)
|
||||
#define TAS2780_PWR_CTRL_ACTIVE 0x0
|
||||
#define TAS2780_PWR_CTRL_MUTE BIT(0)
|
||||
#define TAS2780_PWR_CTRL_SHUTDOWN BIT(1)
|
||||
|
||||
#define TAS2780_VSENSE_POWER_EN 3
|
||||
#define TAS2780_ISENSE_POWER_EN 4
|
||||
|
||||
/* Digital Volume Control */
|
||||
#define TAS2780_DVC TAS2780_REG(0X0, 0x1a)
|
||||
#define TAS2780_DVC_MAX 0xc9
|
||||
|
||||
#define TAS2780_CHNL_0 TAS2780_REG(0X0, 0x03)
|
||||
|
||||
/* TDM Configuration Reg0 */
|
||||
#define TAS2780_TDM_CFG0 TAS2780_REG(0X0, 0x08)
|
||||
#define TAS2780_TDM_CFG0_SMP_MASK BIT(5)
|
||||
#define TAS2780_TDM_CFG0_SMP_48KHZ 0x0
|
||||
#define TAS2780_TDM_CFG0_SMP_44_1KHZ BIT(5)
|
||||
#define TAS2780_TDM_CFG0_MASK GENMASK(3, 1)
|
||||
#define TAS2780_TDM_CFG0_44_1_48KHZ BIT(3)
|
||||
#define TAS2780_TDM_CFG0_88_2_96KHZ (BIT(3) | BIT(1))
|
||||
|
||||
/* TDM Configuration Reg1 */
|
||||
#define TAS2780_TDM_CFG1 TAS2780_REG(0X0, 0x09)
|
||||
#define TAS2780_TDM_CFG1_MASK GENMASK(5, 1)
|
||||
#define TAS2780_TDM_CFG1_51_SHIFT 1
|
||||
#define TAS2780_TDM_CFG1_RX_MASK BIT(0)
|
||||
#define TAS2780_TDM_CFG1_RX_RISING 0x0
|
||||
#define TAS2780_TDM_CFG1_RX_FALLING BIT(0)
|
||||
|
||||
/* TDM Configuration Reg2 */
|
||||
#define TAS2780_TDM_CFG2 TAS2780_REG(0X0, 0x0a)
|
||||
#define TAS2780_TDM_CFG2_RXW_MASK GENMASK(3, 2)
|
||||
#define TAS2780_TDM_CFG2_RXW_16BITS 0x0
|
||||
#define TAS2780_TDM_CFG2_RXW_24BITS BIT(3)
|
||||
#define TAS2780_TDM_CFG2_RXW_32BITS (BIT(3) | BIT(2))
|
||||
#define TAS2780_TDM_CFG2_RXS_MASK GENMASK(1, 0)
|
||||
#define TAS2780_TDM_CFG2_RXS_16BITS 0x0
|
||||
#define TAS2780_TDM_CFG2_RXS_24BITS BIT(0)
|
||||
#define TAS2780_TDM_CFG2_RXS_32BITS BIT(1)
|
||||
#define TAS2780_TDM_CFG2_SCFG_MASK GENMASK(5, 4)
|
||||
#define TAS2780_TDM_CFG2_SCFG_I2S 0x0
|
||||
#define TAS2780_TDM_CFG2_SCFG_LEFT_J BIT(4)
|
||||
#define TAS2780_TDM_CFG2_SCFG_RIGHT_J BIT(5)
|
||||
|
||||
/* TDM Configuration Reg3 */
|
||||
#define TAS2780_TDM_CFG3 TAS2780_REG(0X0, 0x0c)
|
||||
#define TAS2780_TDM_CFG3_RXS_MASK GENMASK(7, 4)
|
||||
#define TAS2780_TDM_CFG3_RXS_SHIFT 0x4
|
||||
#define TAS2780_TDM_CFG3_MASK GENMASK(3, 0)
|
||||
|
||||
/* TDM Configuration Reg4 */
|
||||
#define TAS2780_TDM_CFG4 TAS2780_REG(0X0, 0x0d)
|
||||
#define TAS2780_TDM_CFG4_TX_OFFSET_MASK GENMASK(3, 1)
|
||||
|
||||
/* TDM Configuration Reg5 */
|
||||
#define TAS2780_TDM_CFG5 TAS2780_REG(0X0, 0x0e)
|
||||
#define TAS2780_TDM_CFG5_VSNS_MASK BIT(6)
|
||||
#define TAS2780_TDM_CFG5_VSNS_ENABLE BIT(6)
|
||||
#define TAS2780_TDM_CFG5_50_MASK GENMASK(5, 0)
|
||||
|
||||
/* TDM Configuration Reg6 */
|
||||
#define TAS2780_TDM_CFG6 TAS2780_REG(0X0, 0x0f)
|
||||
#define TAS2780_TDM_CFG6_ISNS_MASK BIT(6)
|
||||
#define TAS2780_TDM_CFG6_ISNS_ENABLE BIT(6)
|
||||
#define TAS2780_TDM_CFG6_50_MASK GENMASK(5, 0)
|
||||
|
||||
/* IC CFG */
|
||||
#define TAS2780_IC_CFG TAS2780_REG(0X0, 0x5c)
|
||||
#define TAS2780_IC_CFG_MASK GENMASK(7, 6)
|
||||
#define TAS2780_IC_CFG_ENABLE (BIT(7) | BIT(6))
|
||||
|
||||
#endif /* __TAS2780_H__ */
|
||||
Loading…
Reference in New Issue