Signed-off-by: Raphael-Xu 13691752556@139.com --- sound/soc/codecs/Kconfig | 13 +- sound/soc/codecs/Makefile | 4 +- sound/soc/codecs/tas2764.c | 688 ----------------- sound/soc/codecs/tas27xx.c | 861 ++++++++++++++++++++++ sound/soc/codecs/{tas2764.h => tas27xx.h} | 27 +- 5 files changed, 890 insertions(+), 703 deletions(-) delete mode 100644 sound/soc/codecs/tas2764.c create mode 100644 sound/soc/codecs/tas27xx.c rename sound/soc/codecs/{tas2764.h => tas27xx.h} (81%)
diff --git a/sound/soc/codecs/Kconfig b/sound/soc/codecs/Kconfig index d3e5ae8310ef..95f45f3b6b17 100644 --- a/sound/soc/codecs/Kconfig +++ b/sound/soc/codecs/Kconfig @@ -212,8 +212,8 @@ config SND_SOC_ALL_CODECS imply SND_SOC_STI_SAS imply SND_SOC_TAS2552 imply SND_SOC_TAS2562 - imply SND_SOC_TAS2764 imply SND_SOC_TAS2770 + imply SND_SOC_TAS27XX imply SND_SOC_TAS5086 imply SND_SOC_TAS571X imply SND_SOC_TAS5720 @@ -1459,14 +1459,17 @@ config SND_SOC_TAS2562 tristate "Texas Instruments TAS2562 Mono Audio amplifier" depends on I2C
-config SND_SOC_TAS2764 - tristate "Texas Instruments TAS2764 Mono Audio amplifier" - depends on I2C - config SND_SOC_TAS2770 tristate "Texas Instruments TAS2770 speaker amplifier" depends on I2C
+config SND_SOC_TAS27XX + tristate "Texas Instruments TAS27xx speaker amplifier" + depends on I2C + help + Enable support for Texas Instruments TAS2764 and TAS2780 + power amplifiers + config SND_SOC_TAS5086 tristate "Texas Instruments TAS5086 speaker amplifier" depends on I2C diff --git a/sound/soc/codecs/Makefile b/sound/soc/codecs/Makefile index ac7f20972470..2cd2b2352ee7 100644 --- a/sound/soc/codecs/Makefile +++ b/sound/soc/codecs/Makefile @@ -334,7 +334,7 @@ snd-soc-simple-amplifier-objs := simple-amplifier.o snd-soc-tpa6130a2-objs := tpa6130a2.o snd-soc-tas2552-objs := tas2552.o snd-soc-tas2562-objs := tas2562.o -snd-soc-tas2764-objs := tas2764.o +snd-soc-tas27xx-objs := tas27xx.o # Mux snd-soc-simple-mux-objs := simple-mux.o
@@ -570,7 +570,7 @@ obj-$(CONFIG_SND_SOC_STAC9766) += snd-soc-stac9766.o obj-$(CONFIG_SND_SOC_STI_SAS) += snd-soc-sti-sas.o obj-$(CONFIG_SND_SOC_TAS2552) += snd-soc-tas2552.o obj-$(CONFIG_SND_SOC_TAS2562) += snd-soc-tas2562.o -obj-$(CONFIG_SND_SOC_TAS2764) += snd-soc-tas2764.o +obj-$(CONFIG_SND_SOC_TAS27XX) += snd-soc-tas27xx.o obj-$(CONFIG_SND_SOC_TAS5086) += snd-soc-tas5086.o obj-$(CONFIG_SND_SOC_TAS571X) += snd-soc-tas571x.o obj-$(CONFIG_SND_SOC_TAS5720) += snd-soc-tas5720.o diff --git a/sound/soc/codecs/tas2764.c b/sound/soc/codecs/tas2764.c deleted file mode 100644 index 9265af41c235..000000000000 --- a/sound/soc/codecs/tas2764.c +++ /dev/null @@ -1,688 +0,0 @@ -// SPDX-License-Identifier: GPL-2.0 -// -// Driver for the Texas Instruments TAS2764 CODEC -// Copyright (C) 2020 Texas Instruments Inc. - -#include <linux/module.h> -#include <linux/moduleparam.h> -#include <linux/err.h> -#include <linux/init.h> -#include <linux/delay.h> -#include <linux/pm.h> -#include <linux/i2c.h> -#include <linux/gpio.h> -#include <linux/gpio/consumer.h> -#include <linux/regulator/consumer.h> -#include <linux/regmap.h> -#include <linux/of.h> -#include <linux/of_gpio.h> -#include <linux/slab.h> -#include <sound/soc.h> -#include <sound/pcm.h> -#include <sound/pcm_params.h> -#include <sound/initval.h> -#include <sound/tlv.h> - -#include "tas2764.h" - -struct tas2764_priv { - struct snd_soc_component *component; - struct gpio_desc *reset_gpio; - struct gpio_desc *sdz_gpio; - struct regmap *regmap; - struct device *dev; - - int v_sense_slot; - int i_sense_slot; -}; - -static void tas2764_reset(struct tas2764_priv *tas2764) -{ - if (tas2764->reset_gpio) { - gpiod_set_value_cansleep(tas2764->reset_gpio, 0); - msleep(20); - gpiod_set_value_cansleep(tas2764->reset_gpio, 1); - } - - snd_soc_component_write(tas2764->component, TAS2764_SW_RST, - TAS2764_RST); -} - -static int tas2764_set_bias_level(struct snd_soc_component *component, - enum snd_soc_bias_level level) -{ - struct tas2764_priv *tas2764 = snd_soc_component_get_drvdata(component); - - switch (level) { - case SND_SOC_BIAS_ON: - snd_soc_component_update_bits(component, TAS2764_PWR_CTRL, - TAS2764_PWR_CTRL_MASK, - TAS2764_PWR_CTRL_ACTIVE); - break; - case SND_SOC_BIAS_STANDBY: - case SND_SOC_BIAS_PREPARE: - snd_soc_component_update_bits(component, TAS2764_PWR_CTRL, - TAS2764_PWR_CTRL_MASK, - TAS2764_PWR_CTRL_MUTE); - break; - case SND_SOC_BIAS_OFF: - snd_soc_component_update_bits(component, TAS2764_PWR_CTRL, - TAS2764_PWR_CTRL_MASK, - TAS2764_PWR_CTRL_SHUTDOWN); - break; - - default: - dev_err(tas2764->dev, - "wrong power level setting %d\n", level); - return -EINVAL; - } - - return 0; -} - -#ifdef CONFIG_PM -static int tas2764_codec_suspend(struct snd_soc_component *component) -{ - struct tas2764_priv *tas2764 = snd_soc_component_get_drvdata(component); - int ret; - - ret = snd_soc_component_update_bits(component, TAS2764_PWR_CTRL, - TAS2764_PWR_CTRL_MASK, - TAS2764_PWR_CTRL_SHUTDOWN); - - if (ret < 0) - return ret; - - if (tas2764->sdz_gpio) - gpiod_set_value_cansleep(tas2764->sdz_gpio, 0); - - regcache_cache_only(tas2764->regmap, true); - regcache_mark_dirty(tas2764->regmap); - - return 0; -} - -static int tas2764_codec_resume(struct snd_soc_component *component) -{ - struct tas2764_priv *tas2764 = snd_soc_component_get_drvdata(component); - int ret; - - if (tas2764->sdz_gpio) - gpiod_set_value_cansleep(tas2764->sdz_gpio, 1); - - ret = snd_soc_component_update_bits(component, TAS2764_PWR_CTRL, - TAS2764_PWR_CTRL_MASK, - TAS2764_PWR_CTRL_ACTIVE); - - if (ret < 0) - return ret; - - regcache_cache_only(tas2764->regmap, false); - - return regcache_sync(tas2764->regmap); -} -#else -#define tas2764_codec_suspend NULL -#define tas2764_codec_resume NULL -#endif - -static const char * const tas2764_ASI1_src[] = { - "I2C offset", "Left", "Right", "LeftRightDiv2", -}; - -static SOC_ENUM_SINGLE_DECL( - tas2764_ASI1_src_enum, TAS2764_TDM_CFG2, 4, tas2764_ASI1_src); - -static const struct snd_kcontrol_new tas2764_asi1_mux = - SOC_DAPM_ENUM("ASI1 Source", tas2764_ASI1_src_enum); - -static int tas2764_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 tas2764_priv *tas2764 = snd_soc_component_get_drvdata(component); - int ret; - - switch (event) { - case SND_SOC_DAPM_POST_PMU: - ret = snd_soc_component_update_bits(component, TAS2764_PWR_CTRL, - TAS2764_PWR_CTRL_MASK, - TAS2764_PWR_CTRL_MUTE); - break; - case SND_SOC_DAPM_PRE_PMD: - ret = snd_soc_component_update_bits(component, TAS2764_PWR_CTRL, - TAS2764_PWR_CTRL_MASK, - TAS2764_PWR_CTRL_SHUTDOWN); - break; - default: - dev_err(tas2764->dev, "Unsupported event\n"); - return -EINVAL; - } - - if (ret < 0) - return ret; - - return 0; -} - -static const struct snd_kcontrol_new isense_switch = - SOC_DAPM_SINGLE("Switch", TAS2764_PWR_CTRL, TAS2764_ISENSE_POWER_EN, 1, 1); -static const struct snd_kcontrol_new vsense_switch = - SOC_DAPM_SINGLE("Switch", TAS2764_PWR_CTRL, TAS2764_VSENSE_POWER_EN, 1, 1); - -static const struct snd_soc_dapm_widget tas2764_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, &tas2764_asi1_mux), - SND_SOC_DAPM_SWITCH("ISENSE", TAS2764_PWR_CTRL, TAS2764_ISENSE_POWER_EN, - 1, &isense_switch), - SND_SOC_DAPM_SWITCH("VSENSE", TAS2764_PWR_CTRL, TAS2764_VSENSE_POWER_EN, - 1, &vsense_switch), - SND_SOC_DAPM_DAC_E("DAC", NULL, SND_SOC_NOPM, 0, 0, tas2764_dac_event, - SND_SOC_DAPM_POST_PMU | SND_SOC_DAPM_PRE_PMD), - SND_SOC_DAPM_OUTPUT("OUT"), - SND_SOC_DAPM_SIGGEN("VMON"), - SND_SOC_DAPM_SIGGEN("IMON") -}; - -static const struct snd_soc_dapm_route tas2764_audio_map[] = { - {"ASI1 Sel", "I2C offset", "ASI1"}, - {"ASI1 Sel", "Left", "ASI1"}, - {"ASI1 Sel", "Right", "ASI1"}, - {"ASI1 Sel", "LeftRightDiv2", "ASI1"}, - {"DAC", NULL, "ASI1 Sel"}, - {"OUT", NULL, "DAC"}, - {"ISENSE", "Switch", "IMON"}, - {"VSENSE", "Switch", "VMON"}, -}; - -static int tas2764_mute(struct snd_soc_dai *dai, int mute, int direction) -{ - struct snd_soc_component *component = dai->component; - int ret; - - ret = snd_soc_component_update_bits(component, TAS2764_PWR_CTRL, - TAS2764_PWR_CTRL_MASK, - mute ? TAS2764_PWR_CTRL_MUTE : 0); - - if (ret < 0) - return ret; - - return 0; -} - -static int tas2764_set_bitwidth(struct tas2764_priv *tas2764, int bitwidth) -{ - struct snd_soc_component *component = tas2764->component; - int sense_en; - int val; - int ret; - - switch (bitwidth) { - case SNDRV_PCM_FORMAT_S16_LE: - ret = snd_soc_component_update_bits(component, - TAS2764_TDM_CFG2, - TAS2764_TDM_CFG2_RXW_MASK, - TAS2764_TDM_CFG2_RXW_16BITS); - break; - case SNDRV_PCM_FORMAT_S24_LE: - ret = snd_soc_component_update_bits(component, - TAS2764_TDM_CFG2, - TAS2764_TDM_CFG2_RXW_MASK, - TAS2764_TDM_CFG2_RXW_24BITS); - break; - case SNDRV_PCM_FORMAT_S32_LE: - ret = snd_soc_component_update_bits(component, - TAS2764_TDM_CFG2, - TAS2764_TDM_CFG2_RXW_MASK, - TAS2764_TDM_CFG2_RXW_32BITS); - break; - - default: - return -EINVAL; - } - - if (ret < 0) - return ret; - - val = snd_soc_component_read(tas2764->component, TAS2764_PWR_CTRL); - if (val < 0) - return val; - - if (val & (1 << TAS2764_VSENSE_POWER_EN)) - sense_en = 0; - else - sense_en = TAS2764_TDM_CFG5_VSNS_ENABLE; - - ret = snd_soc_component_update_bits(tas2764->component, TAS2764_TDM_CFG5, - TAS2764_TDM_CFG5_VSNS_ENABLE, - sense_en); - if (ret < 0) - return ret; - - if (val & (1 << TAS2764_ISENSE_POWER_EN)) - sense_en = 0; - else - sense_en = TAS2764_TDM_CFG6_ISNS_ENABLE; - - ret = snd_soc_component_update_bits(tas2764->component, TAS2764_TDM_CFG6, - TAS2764_TDM_CFG6_ISNS_ENABLE, - sense_en); - if (ret < 0) - return ret; - - return 0; -} - -static int tas2764_set_samplerate(struct tas2764_priv *tas2764, int samplerate) -{ - struct snd_soc_component *component = tas2764->component; - int ramp_rate_val; - int ret; - - switch (samplerate) { - case 48000: - ramp_rate_val = TAS2764_TDM_CFG0_SMP_48KHZ | - TAS2764_TDM_CFG0_44_1_48KHZ; - break; - case 44100: - ramp_rate_val = TAS2764_TDM_CFG0_SMP_44_1KHZ | - TAS2764_TDM_CFG0_44_1_48KHZ; - break; - case 96000: - ramp_rate_val = TAS2764_TDM_CFG0_SMP_48KHZ | - TAS2764_TDM_CFG0_88_2_96KHZ; - break; - case 88200: - ramp_rate_val = TAS2764_TDM_CFG0_SMP_44_1KHZ | - TAS2764_TDM_CFG0_88_2_96KHZ; - break; - default: - return -EINVAL; - } - - ret = snd_soc_component_update_bits(component, TAS2764_TDM_CFG0, - TAS2764_TDM_CFG0_SMP_MASK | - TAS2764_TDM_CFG0_MASK, - ramp_rate_val); - if (ret < 0) - return ret; - - return 0; -} - -static int tas2764_hw_params(struct snd_pcm_substream *substream, - struct snd_pcm_hw_params *params, - struct snd_soc_dai *dai) -{ - struct snd_soc_component *component = dai->component; - struct tas2764_priv *tas2764 = snd_soc_component_get_drvdata(component); - int ret; - - ret = tas2764_set_bitwidth(tas2764, params_format(params)); - if (ret < 0) - return ret; - - return tas2764_set_samplerate(tas2764, params_rate(params)); -} - -static int tas2764_set_fmt(struct snd_soc_dai *dai, unsigned int fmt) -{ - struct snd_soc_component *component = dai->component; - struct tas2764_priv *tas2764 = snd_soc_component_get_drvdata(component); - u8 tdm_rx_start_slot = 0, asi_cfg_1 = 0; - int iface; - int ret; - - switch (fmt & SND_SOC_DAIFMT_INV_MASK) { - case SND_SOC_DAIFMT_NB_NF: - asi_cfg_1 = TAS2764_TDM_CFG1_RX_RISING; - break; - case SND_SOC_DAIFMT_IB_NF: - asi_cfg_1 = TAS2764_TDM_CFG1_RX_FALLING; - break; - default: - dev_err(tas2764->dev, "ASI format Inverse is not found\n"); - return -EINVAL; - } - - ret = snd_soc_component_update_bits(component, TAS2764_TDM_CFG1, - TAS2764_TDM_CFG1_RX_MASK, - asi_cfg_1); - if (ret < 0) - return ret; - - switch (fmt & SND_SOC_DAIFMT_FORMAT_MASK) { - case SND_SOC_DAIFMT_I2S: - case SND_SOC_DAIFMT_DSP_A: - iface = TAS2764_TDM_CFG2_SCFG_I2S; - tdm_rx_start_slot = 1; - break; - case SND_SOC_DAIFMT_DSP_B: - case SND_SOC_DAIFMT_LEFT_J: - iface = TAS2764_TDM_CFG2_SCFG_LEFT_J; - tdm_rx_start_slot = 0; - break; - default: - dev_err(tas2764->dev, - "DAI Format is not found, fmt=0x%x\n", fmt); - return -EINVAL; - } - - ret = snd_soc_component_update_bits(component, TAS2764_TDM_CFG1, - TAS2764_TDM_CFG1_MASK, - (tdm_rx_start_slot << TAS2764_TDM_CFG1_51_SHIFT)); - if (ret < 0) - return ret; - - ret = snd_soc_component_update_bits(component, TAS2764_TDM_CFG2, - TAS2764_TDM_CFG2_SCFG_MASK, iface); - if (ret < 0) - return ret; - - return 0; -} - -static int tas2764_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 tas2764_priv *tas2764 = snd_soc_component_get_drvdata(component); - int left_slot, right_slot; - int slots_cfg; - int slot_size; - 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; - - slots_cfg = (right_slot << TAS2764_TDM_CFG3_RXS_SHIFT) | left_slot; - - ret = snd_soc_component_write(component, TAS2764_TDM_CFG3, slots_cfg); - if (ret) - return ret; - - switch (slot_width) { - case 16: - slot_size = TAS2764_TDM_CFG2_RXS_16BITS; - break; - case 24: - slot_size = TAS2764_TDM_CFG2_RXS_24BITS; - break; - case 32: - slot_size = TAS2764_TDM_CFG2_RXS_32BITS; - break; - default: - return -EINVAL; - } - - ret = snd_soc_component_update_bits(component, TAS2764_TDM_CFG2, - TAS2764_TDM_CFG2_RXS_MASK, - slot_size); - if (ret < 0) - return ret; - - ret = snd_soc_component_update_bits(component, TAS2764_TDM_CFG5, - TAS2764_TDM_CFG5_50_MASK, - tas2764->v_sense_slot); - if (ret < 0) - return ret; - - ret = snd_soc_component_update_bits(component, TAS2764_TDM_CFG6, - TAS2764_TDM_CFG6_50_MASK, - tas2764->i_sense_slot); - if (ret < 0) - return ret; - - return 0; -} - -static const struct snd_soc_dai_ops tas2764_dai_ops = { - .mute_stream = tas2764_mute, - .hw_params = tas2764_hw_params, - .set_fmt = tas2764_set_fmt, - .set_tdm_slot = tas2764_set_dai_tdm_slot, - .no_capture_mute = 1, -}; - -#define TAS2764_FORMATS (SNDRV_PCM_FMTBIT_S16_LE | SNDRV_PCM_FMTBIT_S20_3LE |\ - SNDRV_PCM_FMTBIT_S24_LE | SNDRV_PCM_FMTBIT_S32_LE) - -#define TAS2764_RATES (SNDRV_PCM_RATE_44100 | SNDRV_PCM_RATE_48000 |\ - SNDRV_PCM_RATE_96000 | SNDRV_PCM_RATE_88200) - -static struct snd_soc_dai_driver tas2764_dai_driver[] = { - { - .name = "tas2764 ASI1", - .id = 0, - .playback = { - .stream_name = "ASI1 Playback", - .channels_min = 2, - .channels_max = 2, - .rates = TAS2764_RATES, - .formats = TAS2764_FORMATS, - }, - .capture = { - .stream_name = "ASI1 Capture", - .channels_min = 0, - .channels_max = 2, - .rates = TAS2764_RATES, - .formats = TAS2764_FORMATS, - }, - .ops = &tas2764_dai_ops, - .symmetric_rate = 1, - }, -}; - -static int tas2764_codec_probe(struct snd_soc_component *component) -{ - struct tas2764_priv *tas2764 = snd_soc_component_get_drvdata(component); - int ret; - - tas2764->component = component; - - if (tas2764->sdz_gpio) - gpiod_set_value_cansleep(tas2764->sdz_gpio, 1); - - tas2764_reset(tas2764); - - ret = snd_soc_component_update_bits(tas2764->component, TAS2764_TDM_CFG5, - TAS2764_TDM_CFG5_VSNS_ENABLE, 0); - if (ret < 0) - return ret; - - ret = snd_soc_component_update_bits(tas2764->component, TAS2764_TDM_CFG6, - TAS2764_TDM_CFG6_ISNS_ENABLE, 0); - if (ret < 0) - return ret; - - ret = snd_soc_component_update_bits(component, TAS2764_PWR_CTRL, - TAS2764_PWR_CTRL_MASK, - TAS2764_PWR_CTRL_MUTE); - if (ret < 0) - return ret; - - return 0; -} - -static DECLARE_TLV_DB_SCALE(tas2764_digital_tlv, 1100, 50, 0); -static DECLARE_TLV_DB_SCALE(tas2764_playback_volume, -10000, 50, 0); - -static const struct snd_kcontrol_new tas2764_snd_controls[] = { - SOC_SINGLE_TLV("Speaker Volume", TAS2764_DVC, 0, - TAS2764_DVC_MAX, 1, tas2764_playback_volume), - SOC_SINGLE_TLV("Amp Gain Volume", TAS2764_CHNL_0, 0, 0x14, 0, - tas2764_digital_tlv), -}; - -static const struct snd_soc_component_driver soc_component_driver_tas2764 = { - .probe = tas2764_codec_probe, - .suspend = tas2764_codec_suspend, - .resume = tas2764_codec_resume, - .set_bias_level = tas2764_set_bias_level, - .controls = tas2764_snd_controls, - .num_controls = ARRAY_SIZE(tas2764_snd_controls), - .dapm_widgets = tas2764_dapm_widgets, - .num_dapm_widgets = ARRAY_SIZE(tas2764_dapm_widgets), - .dapm_routes = tas2764_audio_map, - .num_dapm_routes = ARRAY_SIZE(tas2764_audio_map), - .idle_bias_on = 1, - .endianness = 1, - .non_legacy_dai_naming = 1, -}; - -static const struct reg_default tas2764_reg_defaults[] = { - { TAS2764_PAGE, 0x00 }, - { TAS2764_SW_RST, 0x00 }, - { TAS2764_PWR_CTRL, 0x1a }, - { TAS2764_DVC, 0x00 }, - { TAS2764_CHNL_0, 0x00 }, - { TAS2764_TDM_CFG0, 0x09 }, - { TAS2764_TDM_CFG1, 0x02 }, - { TAS2764_TDM_CFG2, 0x0a }, - { TAS2764_TDM_CFG3, 0x10 }, - { TAS2764_TDM_CFG5, 0x42 }, -}; - -static const struct regmap_range_cfg tas2764_regmap_ranges[] = { - { - .range_min = 0, - .range_max = 1 * 128, - .selector_reg = TAS2764_PAGE, - .selector_mask = 0xff, - .selector_shift = 0, - .window_start = 0, - .window_len = 128, - }, -}; - -static const struct regmap_config tas2764_i2c_regmap = { - .reg_bits = 8, - .val_bits = 8, - .reg_defaults = tas2764_reg_defaults, - .num_reg_defaults = ARRAY_SIZE(tas2764_reg_defaults), - .cache_type = REGCACHE_RBTREE, - .ranges = tas2764_regmap_ranges, - .num_ranges = ARRAY_SIZE(tas2764_regmap_ranges), - .max_register = 1 * 128, -}; - -static int tas2764_parse_dt(struct device *dev, struct tas2764_priv *tas2764) -{ - int ret = 0; - - tas2764->reset_gpio = devm_gpiod_get_optional(tas2764->dev, "reset", - GPIOD_OUT_HIGH); - if (IS_ERR(tas2764->reset_gpio)) { - if (PTR_ERR(tas2764->reset_gpio) == -EPROBE_DEFER) { - tas2764->reset_gpio = NULL; - return -EPROBE_DEFER; - } - } - - tas2764->sdz_gpio = devm_gpiod_get_optional(dev, "shutdown", GPIOD_OUT_HIGH); - if (IS_ERR(tas2764->sdz_gpio)) { - if (PTR_ERR(tas2764->sdz_gpio) == -EPROBE_DEFER) - return -EPROBE_DEFER; - - tas2764->sdz_gpio = NULL; - } - - ret = fwnode_property_read_u32(dev->fwnode, "ti,imon-slot-no", - &tas2764->i_sense_slot); - if (ret) - tas2764->i_sense_slot = 0; - - ret = fwnode_property_read_u32(dev->fwnode, "ti,vmon-slot-no", - &tas2764->v_sense_slot); - if (ret) - tas2764->v_sense_slot = 2; - - return 0; -} - -static int tas2764_i2c_probe(struct i2c_client *client, - const struct i2c_device_id *id) -{ - struct tas2764_priv *tas2764; - int result; - - tas2764 = devm_kzalloc(&client->dev, sizeof(struct tas2764_priv), - GFP_KERNEL); - if (!tas2764) - return -ENOMEM; - - tas2764->dev = &client->dev; - i2c_set_clientdata(client, tas2764); - dev_set_drvdata(&client->dev, tas2764); - - tas2764->regmap = devm_regmap_init_i2c(client, &tas2764_i2c_regmap); - if (IS_ERR(tas2764->regmap)) { - result = PTR_ERR(tas2764->regmap); - dev_err(&client->dev, "Failed to allocate register map: %d\n", - result); - return result; - } - - if (client->dev.of_node) { - result = tas2764_parse_dt(&client->dev, tas2764); - if (result) { - dev_err(tas2764->dev, "%s: Failed to parse devicetree\n", - __func__); - return result; - } - } - - return devm_snd_soc_register_component(tas2764->dev, - &soc_component_driver_tas2764, - tas2764_dai_driver, - ARRAY_SIZE(tas2764_dai_driver)); -} - -static const struct i2c_device_id tas2764_i2c_id[] = { - { "tas2764", 0}, - { } -}; -MODULE_DEVICE_TABLE(i2c, tas2764_i2c_id); - -#if defined(CONFIG_OF) -static const struct of_device_id tas2764_of_match[] = { - { .compatible = "ti,tas2764" }, - {}, -}; -MODULE_DEVICE_TABLE(of, tas2764_of_match); -#endif - -static struct i2c_driver tas2764_i2c_driver = { - .driver = { - .name = "tas2764", - .of_match_table = of_match_ptr(tas2764_of_match), - }, - .probe = tas2764_i2c_probe, - .id_table = tas2764_i2c_id, -}; -module_i2c_driver(tas2764_i2c_driver); - -MODULE_AUTHOR("Dan Murphy dmurphy@ti.com"); -MODULE_DESCRIPTION("TAS2764 I2C Smart Amplifier driver"); -MODULE_LICENSE("GPL v2"); diff --git a/sound/soc/codecs/tas27xx.c b/sound/soc/codecs/tas27xx.c new file mode 100644 index 000000000000..4a0ba32bdcdb --- /dev/null +++ b/sound/soc/codecs/tas27xx.c @@ -0,0 +1,861 @@ +// SPDX-License-Identifier: GPL-2.0 +// Driver for the Texas Instruments TAS2764/TAS2780 Mono +// Audio amplifier +// Copyright (C) 2022 Texas Instruments Inc. + +#include <linux/module.h> +#include <linux/moduleparam.h> +#include <linux/err.h> +#include <linux/init.h> +#include <linux/delay.h> +#include <linux/pm.h> +#include <linux/i2c.h> +#include <linux/gpio.h> +#include <linux/gpio/consumer.h> +#include <linux/regmap.h> +#include <linux/of.h> +#include <linux/of_gpio.h> +#include <sound/soc.h> +#include <sound/pcm.h> +#include <sound/pcm_params.h> +#include <sound/initval.h> +#include <sound/tlv.h> +#include <linux/version.h> + +#include "tas27xx.h" + +struct tas27xx_priv { + struct snd_soc_component *component; + struct gpio_desc *reset_gpio; + struct gpio_desc *sdz_gpio; + struct regmap *regmap; + struct device *dev; + struct mutex codec_lock; + int v_sense_slot; + int i_sense_slot; + int device_id; + bool mbPowerUp; +}; + +typedef enum tas27xx { + TAS2764 = 0, + TAS2780 = 1, +} tas27xx_t; + +static void tas27xx_reset(struct tas27xx_priv *tas27xx) +{ + if (tas27xx->reset_gpio) { + gpiod_set_value_cansleep(tas27xx->reset_gpio, 0); + msleep(20); + gpiod_set_value_cansleep(tas27xx->reset_gpio, 1); + } + + snd_soc_component_write(tas27xx->component, TAS2764_SW_RST, + TAS2764_RST); +} + +static int tas27xx_set_bias_level( + struct snd_soc_component *component, + enum snd_soc_bias_level level) +{ + struct tas27xx_priv *tas27xx = + snd_soc_component_get_drvdata(component); + int ret = 0; + + mutex_lock(&tas27xx->codec_lock); + switch (level) { + case SND_SOC_BIAS_ON: + ret = snd_soc_component_update_bits(component, + TAS2764_PWR_CTRL, + TAS2764_PWR_CTRL_MASK, + TAS2764_PWR_CTRL_ACTIVE); + if (ret >= 0) { + tas27xx->mbPowerUp = true; + ret = 0; + } + break; + case SND_SOC_BIAS_STANDBY: + case SND_SOC_BIAS_PREPARE: + ret = snd_soc_component_update_bits(component, + TAS2764_PWR_CTRL, + TAS2764_PWR_CTRL_MASK, + TAS2764_PWR_CTRL_MUTE); + if (ret >= 0) { + tas27xx->mbPowerUp = true; + ret = 0; + } + break; + case SND_SOC_BIAS_OFF: + ret = snd_soc_component_update_bits(component, + TAS2764_PWR_CTRL, + TAS2764_PWR_CTRL_MASK, + TAS2764_PWR_CTRL_SHUTDOWN); + if (ret >= 0) { + tas27xx->mbPowerUp = false; + ret = 0; + } + break; + default: + dev_err(tas27xx->dev, + "wrong power level setting %d\n", level); + ret = -EINVAL; + } + if (ret < 0) + pr_err("%s:%u:errCode:0x%0x:set BIAS error\n", + __func__, __LINE__, ret); + mutex_unlock(&tas27xx->codec_lock); + return ret; +} + +#ifdef CONFIG_PM +static int tas27xx_codec_suspend( + struct snd_soc_component *component) +{ + struct tas27xx_priv *tas27xx = + snd_soc_component_get_drvdata(component); + int ret = 0; + + mutex_lock(&tas27xx->codec_lock); + ret = snd_soc_component_update_bits(component, TAS2764_PWR_CTRL, + TAS2764_PWR_CTRL_MASK, + TAS2764_PWR_CTRL_SHUTDOWN); + + if (ret < 0) { + pr_err("%s:%u:errCode:0x%0x:power down error\n", + __func__, __LINE__, ret); + goto EXIT; + } + ret = 0; + tas27xx->mbPowerUp = false; + if (tas27xx->sdz_gpio) + gpiod_set_value_cansleep(tas27xx->sdz_gpio, 0); + + regcache_cache_only(tas27xx->regmap, true); + regcache_mark_dirty(tas27xx->regmap); +EXIT: + mutex_unlock(&tas27xx->codec_lock); + return ret; +} + +static int tas27xx_codec_resume( + struct snd_soc_component *component) +{ + struct tas27xx_priv *tas27xx = + snd_soc_component_get_drvdata(component); + int ret = 0; + + mutex_lock(&tas27xx->codec_lock); + if (tas27xx->sdz_gpio) + gpiod_set_value_cansleep(tas27xx->sdz_gpio, 1); + + ret = snd_soc_component_update_bits(component, TAS2764_PWR_CTRL, + TAS2764_PWR_CTRL_MASK, TAS2764_PWR_CTRL_ACTIVE); + + if (ret < 0) { + pr_err("%s:%u:errCode:0x%0x:power down error\n", + __func__, __LINE__, ret); + goto EXIT; + } + ret = 0; + tas27xx->mbPowerUp = false; + regcache_cache_only(tas27xx->regmap, false); + ret = regcache_sync(tas27xx->regmap); +EXIT: + mutex_unlock(&tas27xx->codec_lock); + return ret; +} +#endif + +static const char * const tas2764_ASI1_src[] = { + "I2C offset", "Left", "Right", "LeftRightDiv2", +}; + +static SOC_ENUM_SINGLE_DECL( + tas2764_ASI1_src_enum, TAS2764_TDM_CFG2, 4, tas2764_ASI1_src); + +static const struct snd_kcontrol_new tas2764_asi1_mux = + SOC_DAPM_ENUM("ASI1 Source", tas2764_ASI1_src_enum); + +static int tas27xx_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 tas27xx_priv *tas27xx = + snd_soc_component_get_drvdata(component); + int ret = 0; + + mutex_lock(&tas27xx->codec_lock); + switch (event) { + case SND_SOC_DAPM_POST_PMU: + ret = snd_soc_component_update_bits(component, + TAS2764_PWR_CTRL, + TAS2764_PWR_CTRL_MASK, + TAS2764_PWR_CTRL_MUTE); + break; + case SND_SOC_DAPM_PRE_PMD: + ret = snd_soc_component_update_bits(component, + TAS2764_PWR_CTRL, + TAS2764_PWR_CTRL_MASK, + TAS2764_PWR_CTRL_SHUTDOWN); + break; + default: + dev_err(tas27xx->dev, "Unsupported event\n"); + ret = -EINVAL; + } + if (ret < 0) { + pr_err("%s:%u:errCode:0x%0x:PWR_CTRL error\n", + __func__, __LINE__, ret); + } else { + ret = 0; + } + mutex_unlock(&tas27xx->codec_lock); + return ret; +} + +static const struct snd_kcontrol_new isense_switch = + SOC_DAPM_SINGLE("Switch", TAS2764_PWR_CTRL, + TAS2764_ISENSE_POWER_EN, 1, 1); +static const struct snd_kcontrol_new vsense_switch = + SOC_DAPM_SINGLE("Switch", TAS2764_PWR_CTRL, + TAS2764_VSENSE_POWER_EN, 1, 1); + +static const struct snd_soc_dapm_widget tas2764_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, + &tas2764_asi1_mux), + SND_SOC_DAPM_SWITCH("ISENSE", TAS2764_PWR_CTRL, + TAS2764_ISENSE_POWER_EN, 1, &isense_switch), + SND_SOC_DAPM_SWITCH("VSENSE", TAS2764_PWR_CTRL, + TAS2764_VSENSE_POWER_EN, 1, &vsense_switch), + SND_SOC_DAPM_DAC_E("DAC", NULL, SND_SOC_NOPM, 0, 0, + tas27xx_dac_event, + SND_SOC_DAPM_POST_PMU | SND_SOC_DAPM_PRE_PMD), + SND_SOC_DAPM_OUTPUT("OUT"), + SND_SOC_DAPM_SIGGEN("VMON"), + SND_SOC_DAPM_SIGGEN("IMON") +}; + +static const struct snd_soc_dapm_route tas2764_audio_map[] = { + {"ASI1 Sel", "I2C offset", "ASI1"}, + {"ASI1 Sel", "Left", "ASI1"}, + {"ASI1 Sel", "Right", "ASI1"}, + {"ASI1 Sel", "LeftRightDiv2", "ASI1"}, + {"DAC", NULL, "ASI1 Sel"}, + {"OUT", NULL, "DAC"}, + {"ISENSE", "Switch", "IMON"}, + {"VSENSE", "Switch", "VMON"}, +}; + +static int tas27xx_mute(struct snd_soc_dai *dai, int mute, + int direction) +{ + struct snd_soc_component *component = dai->component; + struct tas27xx_priv *tas27xx = + snd_soc_component_get_drvdata(component); + int ret = 0; + + mutex_lock(&tas27xx->codec_lock); + + if (mute == 0) { + ret = snd_soc_component_update_bits(component, + TAS27XX_CLK_CFG, + TAS27XX_CLK_CFG_MASK, + TAS27XX_CLK_CFG_ENABLE); + if (ret < 0) { + dev_err(tas27xx->dev, + "%s:%u: Failed to CLK_CFG_ENABLE\n", + __func__, __LINE__); + goto EXIT; + } + usleep_range(2000, 2000); + } + ret = snd_soc_component_update_bits(component, TAS2764_PWR_CTRL, + TAS2764_PWR_CTRL_MASK, + mute ? TAS2764_PWR_CTRL_MUTE : 0); + if (ret >= 0) { + tas27xx->mbPowerUp = mute?false:true; + ret = 0; + } + + if (ret < 0) { + pr_err("%s:%u: Failed to set powercontrol\n", + __func__, __LINE__); + } +EXIT: + mutex_unlock(&tas27xx->codec_lock); + return ret; +} + +static int tas27xx_set_bitwidth(struct tas27xx_priv *tas27xx, + int bitwidth) +{ + struct snd_soc_component *component = tas27xx->component; + int sense_en, val, ret, slot_size; + + mutex_lock(&tas27xx->codec_lock); + switch (bitwidth) { + case SNDRV_PCM_FORMAT_S16_LE: + ret = snd_soc_component_update_bits(component, + TAS2764_TDM_CFG2, + TAS2764_TDM_CFG2_RXW_MASK, + TAS2764_TDM_CFG2_RXW_16BITS); + slot_size = TAS2764_TDM_CFG2_RXS_16BITS; + break; + case SNDRV_PCM_FORMAT_S24_LE: + ret = snd_soc_component_update_bits(component, + TAS2764_TDM_CFG2, TAS2764_TDM_CFG2_RXW_MASK, + TAS2764_TDM_CFG2_RXW_24BITS); + slot_size = TAS2764_TDM_CFG2_RXS_24BITS; + break; + case SNDRV_PCM_FORMAT_S32_LE: + ret = snd_soc_component_update_bits(component, + TAS2764_TDM_CFG2, TAS2764_TDM_CFG2_RXW_MASK, + TAS2764_TDM_CFG2_RXW_32BITS); + slot_size = TAS2764_TDM_CFG2_RXS_32BITS; + break; + default: + ret = -EINVAL; + } + + if (ret < 0) { + pr_err("%s:%u:errCode:0x%x set bitwidth error\n", + __func__, __LINE__, ret); + goto EXIT; + } + + ret = snd_soc_component_update_bits(component, TAS2764_TDM_CFG2, + TAS2764_TDM_CFG2_RXS_MASK, slot_size); + if (ret < 0) { + pr_err("%s:%u:errCode:0x%x set RX slot size error\n", + __func__, __LINE__, ret); + goto EXIT; + } + + val = snd_soc_component_read(tas27xx->component, + TAS2764_PWR_CTRL); + + if (val < 0) { + pr_err("%s:%u:errCode:0x%x read PWR_CTRL error\n", + __func__, __LINE__, val); + ret = val; + goto EXIT; + } + + if (val & (1 << TAS2764_VSENSE_POWER_EN)) + sense_en = 0; + else + sense_en = TAS2764_TDM_CFG5_VSNS_ENABLE; + + ret = snd_soc_component_update_bits(tas27xx->component, + TAS2764_TDM_CFG5, TAS2764_TDM_CFG5_VSNS_ENABLE, sense_en); + if (ret < 0) { + pr_err("%s:%u:errCode:0x%x enable vSNS error\n", + __func__, __LINE__, ret); + goto EXIT; + } + + if (val & (1 << TAS2764_ISENSE_POWER_EN)) + sense_en = 0; + else + sense_en = TAS2764_TDM_CFG6_ISNS_ENABLE; + + ret = snd_soc_component_update_bits(tas27xx->component, + TAS2764_TDM_CFG6, TAS2764_TDM_CFG6_ISNS_ENABLE, sense_en); + if (ret < 0) { + pr_err("%s:%u:errCode:0x%x enable iSNS error\n", + __func__, __LINE__, ret); + } + ret = 0; +EXIT: + mutex_unlock(&tas27xx->codec_lock); + return ret; +} + +static int tas27xx_set_samplerate( + struct tas27xx_priv *tas27xx, int samplerate) +{ + struct snd_soc_component *component = tas27xx->component; + int ramp_rate_val; + int ret; + + switch (samplerate) { + case 48000: + ramp_rate_val = TAS2764_TDM_CFG0_SMP_48KHZ | + TAS2764_TDM_CFG0_44_1_48KHZ; + break; + case 44100: + ramp_rate_val = TAS2764_TDM_CFG0_SMP_44_1KHZ | + TAS2764_TDM_CFG0_44_1_48KHZ; + break; + case 96000: + ramp_rate_val = TAS2764_TDM_CFG0_SMP_48KHZ | + TAS2764_TDM_CFG0_88_2_96KHZ; + break; + case 88200: + ramp_rate_val = TAS2764_TDM_CFG0_SMP_44_1KHZ | + TAS2764_TDM_CFG0_88_2_96KHZ; + break; + default: + return -EINVAL; + } + mutex_lock(&tas27xx->codec_lock); + ret = snd_soc_component_update_bits(component, TAS2764_TDM_CFG0, + TAS2764_TDM_CFG0_SMP_MASK | + TAS2764_TDM_CFG0_MASK, + ramp_rate_val); + if (ret < 0) { + pr_err("%s:%u:errCode:0x%x Failed to set ramp_rate_val\n", + __func__, __LINE__, ret); + goto EXIT; + } + ret = 0; +EXIT: + mutex_unlock(&tas27xx->codec_lock); + return ret; +} + +static int tas27xx_hw_params( + struct snd_pcm_substream *substream, + struct snd_pcm_hw_params *params, + struct snd_soc_dai *dai) +{ + struct snd_soc_component *component = dai->component; + struct tas27xx_priv *tas27xx = + snd_soc_component_get_drvdata(component); + int ret; + + ret = tas27xx_set_bitwidth(tas27xx, params_format(params)); + if (ret < 0) + return ret; + + return tas27xx_set_samplerate(tas27xx, params_rate(params)); +} + +static int tas27xx_set_fmt(struct snd_soc_dai *dai, + unsigned int fmt) +{ + struct snd_soc_component *component = dai->component; + struct tas27xx_priv *tas27xx = + snd_soc_component_get_drvdata(component); + u8 tdm_rx_start_slot = 0, asi_cfg_1 = 0; + int iface; + int ret = 0; + + switch (fmt & SND_SOC_DAIFMT_INV_MASK) { + case SND_SOC_DAIFMT_NB_NF: + asi_cfg_1 = TAS2764_TDM_CFG1_RX_RISING; + break; + case SND_SOC_DAIFMT_IB_NF: + asi_cfg_1 = TAS2764_TDM_CFG1_RX_FALLING; + break; + default: + dev_err(tas27xx->dev, "ASI format Inverse is not found\n"); + return -EINVAL; + } + mutex_lock(&tas27xx->codec_lock); + ret = snd_soc_component_update_bits(component, TAS2764_TDM_CFG1, + TAS2764_TDM_CFG1_RX_MASK, asi_cfg_1); + if (ret < 0) { + pr_err("%s:%u:errCode:0x%x Failed to set asi_cfg_1\n", + __func__, __LINE__, ret); + goto EXIT; + } + + switch (fmt & SND_SOC_DAIFMT_FORMAT_MASK) { + case SND_SOC_DAIFMT_I2S: + case SND_SOC_DAIFMT_DSP_A: + iface = TAS2764_TDM_CFG2_SCFG_I2S; + tdm_rx_start_slot = 1; + break; + case SND_SOC_DAIFMT_DSP_B: + case SND_SOC_DAIFMT_LEFT_J: + iface = TAS2764_TDM_CFG2_SCFG_LEFT_J; + tdm_rx_start_slot = 0; + break; + default: + pr_err("%s:%u:DAI Format is not found, fmt=0x%x\n", + __func__, __LINE__, fmt); + ret = -EINVAL; + goto EXIT; + } + + ret = snd_soc_component_update_bits(component, TAS2764_TDM_CFG1, + TAS2764_TDM_CFG1_MASK, + (tdm_rx_start_slot << TAS2764_TDM_CFG1_51_SHIFT)); + if (ret < 0) { + pr_err("%s:%u:errCode:0x%x Failed to set tdm_rx_start_slot\n", + __func__, __LINE__, ret); + goto EXIT; + } + + ret = snd_soc_component_update_bits(component, TAS2764_TDM_CFG2, + TAS2764_TDM_CFG2_SCFG_MASK, iface); + if (ret < 0) { + pr_err("%s:%u:errCode:0x%x Failed to set iface\n", + __func__, __LINE__, ret); + goto EXIT; + } + ret = 0; +EXIT: + mutex_unlock(&tas27xx->codec_lock); + return ret; +} + +static int tas27xx_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 tas27xx_priv *tas27xx = + 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 << TAS2764_TDM_CFG3_RXS_SHIFT) | + left_slot; + mutex_lock(&tas27xx->codec_lock); + ret = snd_soc_component_write(component, TAS2764_TDM_CFG3, + slots_cfg); + if (ret) { + pr_err("%s:%u:errCode:0x%x Failed to set slots_cfg\n", + __func__, __LINE__, ret); + goto EXIT; + } + + switch (slot_width) { + case 16: + slot_size = TAS2764_TDM_CFG2_RXS_16BITS; + break; + case 24: + slot_size = TAS2764_TDM_CFG2_RXS_24BITS; + break; + case 32: + slot_size = TAS2764_TDM_CFG2_RXS_32BITS; + break; + default: + ret = -EINVAL; + goto EXIT; + } + + ret = snd_soc_component_update_bits(component, TAS2764_TDM_CFG2, + TAS2764_TDM_CFG2_RXS_MASK, slot_size); + if (ret < 0) { + pr_err("%s:%u:errCode:0x%x Failed to set slot_size\n", + __func__, __LINE__, ret); + goto EXIT; + } + + ret = snd_soc_component_update_bits(component, TAS2764_TDM_CFG5, + TAS2764_TDM_CFG5_50_MASK, tas27xx->v_sense_slot); + if (ret < 0) { + pr_err("%s:%u:errCode:0x%x Failed to set v_sense_slot\n", + __func__, __LINE__, ret); + goto EXIT; + } + + ret = snd_soc_component_update_bits(component, TAS2764_TDM_CFG6, + TAS2764_TDM_CFG6_50_MASK, + tas27xx->i_sense_slot); + if (ret < 0) { + pr_err("%s:%u:errCode:0x%x Failed to set i_sense_slot\n", + __func__, __LINE__, ret); + goto EXIT; + } + ret = 0; +EXIT: + mutex_unlock(&tas27xx->codec_lock); + return ret; +} + +static const struct snd_soc_dai_ops tas2764_dai_ops = { + .mute_stream = tas27xx_mute, + .hw_params = tas27xx_hw_params, + .set_fmt = tas27xx_set_fmt, + .set_tdm_slot = tas27xx_set_dai_tdm_slot, + .no_capture_mute = 1, +}; + +#define TAS2764_FORMATS \ + (SNDRV_PCM_FMTBIT_S16_LE | SNDRV_PCM_FMTBIT_S20_3LE |\ + SNDRV_PCM_FMTBIT_S24_LE | SNDRV_PCM_FMTBIT_S32_LE) + +#define TAS2764_RATES (SNDRV_PCM_RATE_44100 | SNDRV_PCM_RATE_48000 |\ + SNDRV_PCM_RATE_96000 | SNDRV_PCM_RATE_88200) + +static struct snd_soc_dai_driver tas2764_dai_driver[] = { + { + .name = "tas2764 ASI1", + .id = 0, + .playback = { + .stream_name = "ASI1 Playback", + .channels_min = 2, + .channels_max = 2, + .rates = TAS2764_RATES, + .formats = TAS2764_FORMATS, + }, + .capture = { + .stream_name = "ASI1 Capture", + .channels_min = 1, + .channels_max = 2, + .rates = TAS2764_RATES, + .formats = TAS2764_FORMATS, + }, + .ops = &tas2764_dai_ops, + .symmetric_rates = 1, + }, +}; + +static int tas27xx_codec_probe( + struct snd_soc_component *component) +{ + struct tas27xx_priv *tas27xx = + snd_soc_component_get_drvdata(component); + int ret = 0; + + tas27xx->component = component; + + if (tas27xx->sdz_gpio) + gpiod_set_value_cansleep(tas27xx->sdz_gpio, 1); + + tas27xx_reset(tas27xx); + + ret = snd_soc_component_update_bits(component, TAS2764_TDM_CFG5, + TAS2764_TDM_CFG5_VSNS_ENABLE, 0); + if (ret < 0) { + dev_err(tas27xx->dev, "%s:%u: Failed to enable vSNS\n", + __func__, __LINE__); + goto EXIT; + } + ret = snd_soc_component_update_bits(component, TAS2764_TDM_CFG6, + TAS2764_TDM_CFG6_ISNS_ENABLE, 0); + if (ret < 0) { + dev_err(tas27xx->dev, "%s:%u: Failed to enable iSNS\n", + __func__, __LINE__); + goto EXIT; + } + ret = snd_soc_component_update_bits(component, TAS2764_PWR_CTRL, + TAS2764_PWR_CTRL_MASK, + TAS2764_PWR_CTRL_MUTE); + if (ret < 0) { + dev_err(tas27xx->dev, "%s:%u: Failed to PWR_CTRL_MUTE\n", + __func__, __LINE__); + goto EXIT; + } + + ret = snd_soc_component_write(component, TAS2764_PWR_CTRL, 0x02); + + if (ret < 0) { + dev_err(tas27xx->dev, "%s:%u: Failed to initial active\n", + __func__, __LINE__); + goto EXIT; + } + ret = 0; +EXIT: + return ret; +} + +static DECLARE_TLV_DB_SCALE(tas2764_digital_tlv, 1100, 50, 0); +static DECLARE_TLV_DB_SCALE(tas2764_playback_volume, + -10000, 50, 0); + +static const struct snd_kcontrol_new tas2764_snd_controls[] = { + SOC_SINGLE_TLV("Speaker Volume", TAS2764_DVC, 0, + TAS2764_DVC_MAX, 1, tas2764_playback_volume), + SOC_SINGLE_TLV("Amp Gain Volume", TAS2764_CHNL_0, 0, 0x14, 0, + tas2764_digital_tlv), +}; + +static const struct snd_soc_component_driver + soc_component_driver_tas2764 = { + .probe = tas27xx_codec_probe, +#ifdef CONFIG_PM + .suspend = tas27xx_codec_suspend, + .resume = tas27xx_codec_resume, +#endif + .set_bias_level = tas27xx_set_bias_level, + .controls = tas2764_snd_controls, + .num_controls = ARRAY_SIZE(tas2764_snd_controls), + .dapm_widgets = tas2764_dapm_widgets, + .num_dapm_widgets = ARRAY_SIZE(tas2764_dapm_widgets), + .dapm_routes = tas2764_audio_map, + .num_dapm_routes = ARRAY_SIZE(tas2764_audio_map), + .idle_bias_on = 1, + .endianness = 1, + .non_legacy_dai_naming = 1, +}; + +static const struct reg_default tas2764_reg_defaults[] = { + { TAS2764_PAGE, 0x00 }, + { TAS2764_SW_RST, 0x00 }, + { TAS2764_PWR_CTRL, 0x1a }, + { TAS2764_DVC, 0x00 }, + { TAS2764_CHNL_0, 0x00 }, + { TAS2764_TDM_CFG0, 0x09 }, + { TAS2764_TDM_CFG1, 0x02 }, + { TAS2764_TDM_CFG2, 0x0a }, + { TAS2764_TDM_CFG3, 0x10 }, + { TAS2764_TDM_CFG5, 0x42 }, +}; + +static const struct regmap_range_cfg tas2764_regmap_ranges[] = { + { + .range_min = 0, + .range_max = 1 * 128, + .selector_reg = TAS2764_PAGE, + .selector_mask = 0xff, + .selector_shift = 0, + .window_start = 0, + .window_len = 128, + }, +}; + +static bool tas27xx_volatile(struct device *dev, + unsigned int reg) +{ + return true; +} + +static const struct regmap_config tas2764_i2c_regmap = { + .reg_bits = 8, + .val_bits = 8, + .reg_defaults = tas2764_reg_defaults, + .num_reg_defaults = ARRAY_SIZE(tas2764_reg_defaults), + .cache_type = REGCACHE_RBTREE, + .ranges = tas2764_regmap_ranges, + .num_ranges = ARRAY_SIZE(tas2764_regmap_ranges), + .max_register = 1 * 128, + .volatile_reg = tas27xx_volatile, +}; + +static int tas27xx_parse_dt(struct device *dev, + struct tas27xx_priv *tas27xx) +{ + int ret = 0; + + tas27xx->reset_gpio = devm_gpiod_get_optional(tas27xx->dev, + "reset", GPIOD_OUT_HIGH); + if (IS_ERR(tas27xx->reset_gpio)) { + if (PTR_ERR(tas27xx->reset_gpio) == -EPROBE_DEFER) { + tas27xx->reset_gpio = NULL; + return -EPROBE_DEFER; + } + } + + tas27xx->sdz_gpio = devm_gpiod_get_optional(dev, "shutdown", + GPIOD_OUT_HIGH); + if (IS_ERR(tas27xx->sdz_gpio)) { + if (PTR_ERR(tas27xx->sdz_gpio) == -EPROBE_DEFER) + return -EPROBE_DEFER; + + tas27xx->sdz_gpio = NULL; + } + + ret = fwnode_property_read_u32(dev->fwnode, "ti,imon-slot-no", + &tas27xx->i_sense_slot); + if (ret) + tas27xx->i_sense_slot = 0; + + ret = fwnode_property_read_u32(dev->fwnode, "ti,vmon-slot-no", + &tas27xx->v_sense_slot); + if (ret) + tas27xx->v_sense_slot = 2; + + return 0; +} + +static int tas27xx_i2c_probe(struct i2c_client *client, + const struct i2c_device_id *id) +{ + struct tas27xx_priv *tas27xx; + int result; + + tas27xx = devm_kzalloc(&client->dev, sizeof(struct tas27xx_priv), + GFP_KERNEL); + if (!tas27xx) + return -ENOMEM; + mutex_init(&tas27xx->codec_lock); + tas27xx->dev = &client->dev; + i2c_set_clientdata(client, tas27xx); + dev_set_drvdata(&client->dev, tas27xx); + + tas27xx->regmap = devm_regmap_init_i2c(client, + &tas2764_i2c_regmap); + if (IS_ERR(tas27xx->regmap)) { + result = PTR_ERR(tas27xx->regmap); + dev_err(&client->dev, "Failed to allocate register map: %d\n", + result); + return result; + } + + if (client->dev.of_node) { + result = tas27xx_parse_dt(&client->dev, tas27xx); + if (result) { + dev_err(tas27xx->dev, + "%s: Failed to parse devicetree\n", __func__); + return result; + } + } + + tas27xx->device_id = id->driver_data; + dev_info(tas27xx->dev, "chip_id: %u\n", tas27xx->device_id); + + return devm_snd_soc_register_component(tas27xx->dev, + &soc_component_driver_tas2764, tas2764_dai_driver, + ARRAY_SIZE(tas2764_dai_driver)); +} + +static const struct i2c_device_id tas2764_i2c_id[] = { + { "tas2764", TAS2764}, + { "tas2780", TAS2780}, + { } +}; +MODULE_DEVICE_TABLE(i2c, tas2764_i2c_id); + +#if defined(CONFIG_OF) +static const struct of_device_id tas2764_of_match[] = { + { .compatible = "ti,tas2764" }, + { .compatible = "ti,tas2780" }, + {}, +}; +MODULE_DEVICE_TABLE(of, tas2764_of_match); +#endif + +static struct i2c_driver tas2764_i2c_driver = { + .driver = { + .name = "tas27xx", + .of_match_table = of_match_ptr(tas2764_of_match), + }, + .probe = tas27xx_i2c_probe, + .id_table = tas2764_i2c_id, +}; +module_i2c_driver(tas2764_i2c_driver); + +MODULE_AUTHOR("Raphael Xu raphael-xu@ti.com"); +MODULE_DESCRIPTION("TAS27XX I2C Smart Amplifier driver"); +MODULE_LICENSE("GPL v2"); diff --git a/sound/soc/codecs/tas2764.h b/sound/soc/codecs/tas27xx.h similarity index 81% rename from sound/soc/codecs/tas2764.h rename to sound/soc/codecs/tas27xx.h index 67d6fd903c42..02b29c030d37 100644 --- a/sound/soc/codecs/tas2764.h +++ b/sound/soc/codecs/tas27xx.h @@ -1,18 +1,20 @@ /* SPDX-License-Identifier: GPL-2.0-only */ /* - * tas2764.h - ALSA SoC Texas Instruments TAS2764 Mono Audio Amplifier + * tas27xx.h - ALSA SoC Texas Instruments TAS2764/TAS2780 + * Mono Audio Amplifier * - * Copyright (C) 2020 Texas Instruments Incorporated - https://www.ti.com + * Copyright (C) 2022 Texas Instruments Incorporated - + * https://www.ti.com * - * Author: Dan Murphy dmurphy@ti.com + * Author: */
-#ifndef __TAS2764__ -#define __TAS2764__ +#ifndef __TAS27XX__H_ +#define __TAS27XX__H_
/* Book Control Register */ -#define TAS2764_BOOKCTL_PAGE 0 -#define TAS2764_BOOKCTL_REG 127 +#define TAS27XX_BOOKCTL_PAGE 0 +#define TAS27XX_BOOKCTL_REG 127 #define TAS2764_REG(page, reg) ((page * 128) + reg)
/* Page */ @@ -77,6 +79,10 @@ #define TAS2764_TDM_CFG3_RXS_SHIFT 0x4 #define TAS2764_TDM_CFG3_MASK GENMASK(3, 0)
+/* TDM Configuration Reg4 */ +#define TAS2764_TDM_CFG4 TAS2764_REG(0X0, 0x0d) +#define TAS2764_TDM_CFG4_TX_OFFSET_MASK GENMASK(3, 1) + /* TDM Configuration Reg5 */ #define TAS2764_TDM_CFG5 TAS2764_REG(0X0, 0x0e) #define TAS2764_TDM_CFG5_VSNS_MASK BIT(6) @@ -89,4 +95,9 @@ #define TAS2764_TDM_CFG6_ISNS_ENABLE BIT(6) #define TAS2764_TDM_CFG6_50_MASK GENMASK(5, 0)
-#endif /* __TAS2764__ */ +/* INT&CLK CFG */ +#define TAS27XX_CLK_CFG TAS2764_REG(0X0, 0x5c) +#define TAS27XX_CLK_CFG_MASK GENMASK(7, 6) +#define TAS27XX_CLK_CFG_ENABLE (BIT(7) | BIT(6)) + +#endif /* __TAS27XX__H_ */ \ No newline at end of file