To prepare support for SoundWire, let's first split the I2C and common parts. No new functionality, just indents and formatting to make checkpatch happy.
Reviewed-by: Rander Wang rander.wang@linux.intel.com Reviewed-by: Kai Vehmanen kai.vehmanen@linux.intel.com Signed-off-by: Pierre-Louis Bossart pierre-louis.bossart@linux.intel.com --- sound/soc/codecs/Kconfig | 6 +- sound/soc/codecs/Makefile | 2 + sound/soc/codecs/max98373-i2c.c | 612 ++++++++++++++++++++++++++++++++ sound/soc/codecs/max98373.c | 601 +------------------------------ sound/soc/codecs/max98373.h | 10 +- sound/soc/intel/boards/Kconfig | 6 +- 6 files changed, 637 insertions(+), 600 deletions(-) create mode 100644 sound/soc/codecs/max98373-i2c.c
diff --git a/sound/soc/codecs/Kconfig b/sound/soc/codecs/Kconfig index 986a6308818b..ebefb343f7ef 100644 --- a/sound/soc/codecs/Kconfig +++ b/sound/soc/codecs/Kconfig @@ -115,7 +115,7 @@ config SND_SOC_ALL_CODECS imply SND_SOC_MAX98925 imply SND_SOC_MAX98926 imply SND_SOC_MAX98927 - imply SND_SOC_MAX98373 + imply SND_SOC_MAX98373_I2C imply SND_SOC_MAX98390 imply SND_SOC_MAX9850 imply SND_SOC_MAX9860 @@ -868,8 +868,12 @@ config SND_SOC_MAX98927 depends on I2C
config SND_SOC_MAX98373 + tristate + +config SND_SOC_MAX98373_I2C tristate "Maxim Integrated MAX98373 Speaker Amplifier" depends on I2C + select SND_SOC_MAX98373
config SND_SOC_MAX98390 tristate "Maxim Integrated MAX98390 Speaker Amplifier" diff --git a/sound/soc/codecs/Makefile b/sound/soc/codecs/Makefile index 47ae3cebb61e..3ac82c3b6fc3 100644 --- a/sound/soc/codecs/Makefile +++ b/sound/soc/codecs/Makefile @@ -115,6 +115,7 @@ snd-soc-max98925-objs := max98925.o snd-soc-max98926-objs := max98926.o snd-soc-max98927-objs := max98927.o snd-soc-max98373-objs := max98373.o +snd-soc-max98373-i2c-objs := max98373-i2c.o snd-soc-max98390-objs := max98390.o snd-soc-max9850-objs := max9850.o snd-soc-max9860-objs := max9860.o @@ -418,6 +419,7 @@ obj-$(CONFIG_SND_SOC_MAX98925) += snd-soc-max98925.o obj-$(CONFIG_SND_SOC_MAX98926) += snd-soc-max98926.o obj-$(CONFIG_SND_SOC_MAX98927) += snd-soc-max98927.o obj-$(CONFIG_SND_SOC_MAX98373) += snd-soc-max98373.o +obj-$(CONFIG_SND_SOC_MAX98373_I2C) += snd-soc-max98373-i2c.o obj-$(CONFIG_SND_SOC_MAX98390) += snd-soc-max98390.o obj-$(CONFIG_SND_SOC_MAX9850) += snd-soc-max9850.o obj-$(CONFIG_SND_SOC_MAX9860) += snd-soc-max9860.o diff --git a/sound/soc/codecs/max98373-i2c.c b/sound/soc/codecs/max98373-i2c.c new file mode 100644 index 000000000000..92921e34f948 --- /dev/null +++ b/sound/soc/codecs/max98373-i2c.c @@ -0,0 +1,612 @@ +// SPDX-License-Identifier: GPL-2.0 +// Copyright (c) 2017, Maxim Integrated + +#include <linux/acpi.h> +#include <linux/delay.h> +#include <linux/gpio.h> +#include <linux/i2c.h> +#include <linux/module.h> +#include <linux/mod_devicetable.h> +#include <linux/of.h> +#include <linux/of_gpio.h> +#include <linux/pm_runtime.h> +#include <linux/regmap.h> +#include <linux/slab.h> +#include <linux/cdev.h> +#include <sound/pcm.h> +#include <sound/pcm_params.h> +#include <sound/soc.h> +#include <sound/tlv.h> +#include "max98373.h" + +static struct reg_default max98373_reg[] = { + {MAX98373_R2000_SW_RESET, 0x00}, + {MAX98373_R2001_INT_RAW1, 0x00}, + {MAX98373_R2002_INT_RAW2, 0x00}, + {MAX98373_R2003_INT_RAW3, 0x00}, + {MAX98373_R2004_INT_STATE1, 0x00}, + {MAX98373_R2005_INT_STATE2, 0x00}, + {MAX98373_R2006_INT_STATE3, 0x00}, + {MAX98373_R2007_INT_FLAG1, 0x00}, + {MAX98373_R2008_INT_FLAG2, 0x00}, + {MAX98373_R2009_INT_FLAG3, 0x00}, + {MAX98373_R200A_INT_EN1, 0x00}, + {MAX98373_R200B_INT_EN2, 0x00}, + {MAX98373_R200C_INT_EN3, 0x00}, + {MAX98373_R200D_INT_FLAG_CLR1, 0x00}, + {MAX98373_R200E_INT_FLAG_CLR2, 0x00}, + {MAX98373_R200F_INT_FLAG_CLR3, 0x00}, + {MAX98373_R2010_IRQ_CTRL, 0x00}, + {MAX98373_R2014_THERM_WARN_THRESH, 0x10}, + {MAX98373_R2015_THERM_SHDN_THRESH, 0x27}, + {MAX98373_R2016_THERM_HYSTERESIS, 0x01}, + {MAX98373_R2017_THERM_FOLDBACK_SET, 0xC0}, + {MAX98373_R2018_THERM_FOLDBACK_EN, 0x00}, + {MAX98373_R201E_PIN_DRIVE_STRENGTH, 0x55}, + {MAX98373_R2020_PCM_TX_HIZ_EN_1, 0xFE}, + {MAX98373_R2021_PCM_TX_HIZ_EN_2, 0xFF}, + {MAX98373_R2022_PCM_TX_SRC_1, 0x00}, + {MAX98373_R2023_PCM_TX_SRC_2, 0x00}, + {MAX98373_R2024_PCM_DATA_FMT_CFG, 0xC0}, + {MAX98373_R2025_AUDIO_IF_MODE, 0x00}, + {MAX98373_R2026_PCM_CLOCK_RATIO, 0x04}, + {MAX98373_R2027_PCM_SR_SETUP_1, 0x08}, + {MAX98373_R2028_PCM_SR_SETUP_2, 0x88}, + {MAX98373_R2029_PCM_TO_SPK_MONO_MIX_1, 0x00}, + {MAX98373_R202A_PCM_TO_SPK_MONO_MIX_2, 0x00}, + {MAX98373_R202B_PCM_RX_EN, 0x00}, + {MAX98373_R202C_PCM_TX_EN, 0x00}, + {MAX98373_R202E_ICC_RX_CH_EN_1, 0x00}, + {MAX98373_R202F_ICC_RX_CH_EN_2, 0x00}, + {MAX98373_R2030_ICC_TX_HIZ_EN_1, 0xFF}, + {MAX98373_R2031_ICC_TX_HIZ_EN_2, 0xFF}, + {MAX98373_R2032_ICC_LINK_EN_CFG, 0x30}, + {MAX98373_R2034_ICC_TX_CNTL, 0x00}, + {MAX98373_R2035_ICC_TX_EN, 0x00}, + {MAX98373_R2036_SOUNDWIRE_CTRL, 0x05}, + {MAX98373_R203D_AMP_DIG_VOL_CTRL, 0x00}, + {MAX98373_R203E_AMP_PATH_GAIN, 0x08}, + {MAX98373_R203F_AMP_DSP_CFG, 0x02}, + {MAX98373_R2040_TONE_GEN_CFG, 0x00}, + {MAX98373_R2041_AMP_CFG, 0x03}, + {MAX98373_R2042_AMP_EDGE_RATE_CFG, 0x00}, + {MAX98373_R2043_AMP_EN, 0x00}, + {MAX98373_R2046_IV_SENSE_ADC_DSP_CFG, 0x04}, + {MAX98373_R2047_IV_SENSE_ADC_EN, 0x00}, + {MAX98373_R2051_MEAS_ADC_SAMPLING_RATE, 0x00}, + {MAX98373_R2052_MEAS_ADC_PVDD_FLT_CFG, 0x00}, + {MAX98373_R2053_MEAS_ADC_THERM_FLT_CFG, 0x00}, + {MAX98373_R2054_MEAS_ADC_PVDD_CH_READBACK, 0x00}, + {MAX98373_R2055_MEAS_ADC_THERM_CH_READBACK, 0x00}, + {MAX98373_R2056_MEAS_ADC_PVDD_CH_EN, 0x00}, + {MAX98373_R2090_BDE_LVL_HOLD, 0x00}, + {MAX98373_R2091_BDE_GAIN_ATK_REL_RATE, 0x00}, + {MAX98373_R2092_BDE_CLIPPER_MODE, 0x00}, + {MAX98373_R2097_BDE_L1_THRESH, 0x00}, + {MAX98373_R2098_BDE_L2_THRESH, 0x00}, + {MAX98373_R2099_BDE_L3_THRESH, 0x00}, + {MAX98373_R209A_BDE_L4_THRESH, 0x00}, + {MAX98373_R209B_BDE_THRESH_HYST, 0x00}, + {MAX98373_R20A8_BDE_L1_CFG_1, 0x00}, + {MAX98373_R20A9_BDE_L1_CFG_2, 0x00}, + {MAX98373_R20AA_BDE_L1_CFG_3, 0x00}, + {MAX98373_R20AB_BDE_L2_CFG_1, 0x00}, + {MAX98373_R20AC_BDE_L2_CFG_2, 0x00}, + {MAX98373_R20AD_BDE_L2_CFG_3, 0x00}, + {MAX98373_R20AE_BDE_L3_CFG_1, 0x00}, + {MAX98373_R20AF_BDE_L3_CFG_2, 0x00}, + {MAX98373_R20B0_BDE_L3_CFG_3, 0x00}, + {MAX98373_R20B1_BDE_L4_CFG_1, 0x00}, + {MAX98373_R20B2_BDE_L4_CFG_2, 0x00}, + {MAX98373_R20B3_BDE_L4_CFG_3, 0x00}, + {MAX98373_R20B4_BDE_INFINITE_HOLD_RELEASE, 0x00}, + {MAX98373_R20B5_BDE_EN, 0x00}, + {MAX98373_R20B6_BDE_CUR_STATE_READBACK, 0x00}, + {MAX98373_R20D1_DHT_CFG, 0x01}, + {MAX98373_R20D2_DHT_ATTACK_CFG, 0x02}, + {MAX98373_R20D3_DHT_RELEASE_CFG, 0x03}, + {MAX98373_R20D4_DHT_EN, 0x00}, + {MAX98373_R20E0_LIMITER_THRESH_CFG, 0x00}, + {MAX98373_R20E1_LIMITER_ATK_REL_RATES, 0x00}, + {MAX98373_R20E2_LIMITER_EN, 0x00}, + {MAX98373_R20FE_DEVICE_AUTO_RESTART_CFG, 0x00}, + {MAX98373_R20FF_GLOBAL_SHDN, 0x00}, + {MAX98373_R21FF_REV_ID, 0x42}, +}; + +static int max98373_dai_set_fmt(struct snd_soc_dai *codec_dai, unsigned int fmt) +{ + struct snd_soc_component *component = codec_dai->component; + struct max98373_priv *max98373 = snd_soc_component_get_drvdata(component); + unsigned int format = 0; + unsigned int invert = 0; + + dev_dbg(component->dev, "%s: fmt 0x%08X\n", __func__, fmt); + + switch (fmt & SND_SOC_DAIFMT_INV_MASK) { + case SND_SOC_DAIFMT_NB_NF: + break; + case SND_SOC_DAIFMT_IB_NF: + invert = MAX98373_PCM_MODE_CFG_PCM_BCLKEDGE; + break; + default: + dev_err(component->dev, "DAI invert mode unsupported\n"); + return -EINVAL; + } + + regmap_update_bits(max98373->regmap, + MAX98373_R2026_PCM_CLOCK_RATIO, + MAX98373_PCM_MODE_CFG_PCM_BCLKEDGE, + invert); + + /* interface format */ + switch (fmt & SND_SOC_DAIFMT_FORMAT_MASK) { + case SND_SOC_DAIFMT_I2S: + format = MAX98373_PCM_FORMAT_I2S; + break; + case SND_SOC_DAIFMT_LEFT_J: + format = MAX98373_PCM_FORMAT_LJ; + break; + case SND_SOC_DAIFMT_DSP_A: + format = MAX98373_PCM_FORMAT_TDM_MODE1; + break; + case SND_SOC_DAIFMT_DSP_B: + format = MAX98373_PCM_FORMAT_TDM_MODE0; + break; + default: + return -EINVAL; + } + + regmap_update_bits(max98373->regmap, + MAX98373_R2024_PCM_DATA_FMT_CFG, + MAX98373_PCM_MODE_CFG_FORMAT_MASK, + format << MAX98373_PCM_MODE_CFG_FORMAT_SHIFT); + + return 0; +} + +/* BCLKs per LRCLK */ +static const int bclk_sel_table[] = { + 32, 48, 64, 96, 128, 192, 256, 384, 512, 320, +}; + +static int max98373_get_bclk_sel(int bclk) +{ + int i; + /* match BCLKs per LRCLK */ + for (i = 0; i < ARRAY_SIZE(bclk_sel_table); i++) { + if (bclk_sel_table[i] == bclk) + return i + 2; + } + return 0; +} + +static int max98373_set_clock(struct snd_soc_component *component, + struct snd_pcm_hw_params *params) +{ + struct max98373_priv *max98373 = snd_soc_component_get_drvdata(component); + /* BCLK/LRCLK ratio calculation */ + int blr_clk_ratio = params_channels(params) * max98373->ch_size; + int value; + + if (!max98373->tdm_mode) { + /* BCLK configuration */ + value = max98373_get_bclk_sel(blr_clk_ratio); + if (!value) { + dev_err(component->dev, "format unsupported %d\n", + params_format(params)); + return -EINVAL; + } + + regmap_update_bits(max98373->regmap, + MAX98373_R2026_PCM_CLOCK_RATIO, + MAX98373_PCM_CLK_SETUP_BSEL_MASK, + value); + } + return 0; +} + +static int max98373_dai_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 max98373_priv *max98373 = snd_soc_component_get_drvdata(component); + unsigned int sampling_rate = 0; + unsigned int chan_sz = 0; + + /* pcm mode configuration */ + switch (snd_pcm_format_width(params_format(params))) { + case 16: + chan_sz = MAX98373_PCM_MODE_CFG_CHANSZ_16; + break; + case 24: + chan_sz = MAX98373_PCM_MODE_CFG_CHANSZ_24; + break; + case 32: + chan_sz = MAX98373_PCM_MODE_CFG_CHANSZ_32; + break; + default: + dev_err(component->dev, "format unsupported %d\n", + params_format(params)); + goto err; + } + + max98373->ch_size = snd_pcm_format_width(params_format(params)); + + regmap_update_bits(max98373->regmap, + MAX98373_R2024_PCM_DATA_FMT_CFG, + MAX98373_PCM_MODE_CFG_CHANSZ_MASK, chan_sz); + + dev_dbg(component->dev, "format supported %d", + params_format(params)); + + /* sampling rate configuration */ + switch (params_rate(params)) { + case 8000: + sampling_rate = MAX98373_PCM_SR_SET1_SR_8000; + break; + case 11025: + sampling_rate = MAX98373_PCM_SR_SET1_SR_11025; + break; + case 12000: + sampling_rate = MAX98373_PCM_SR_SET1_SR_12000; + break; + case 16000: + sampling_rate = MAX98373_PCM_SR_SET1_SR_16000; + break; + case 22050: + sampling_rate = MAX98373_PCM_SR_SET1_SR_22050; + break; + case 24000: + sampling_rate = MAX98373_PCM_SR_SET1_SR_24000; + break; + case 32000: + sampling_rate = MAX98373_PCM_SR_SET1_SR_32000; + break; + case 44100: + sampling_rate = MAX98373_PCM_SR_SET1_SR_44100; + break; + case 48000: + sampling_rate = MAX98373_PCM_SR_SET1_SR_48000; + break; + case 88200: + sampling_rate = MAX98373_PCM_SR_SET1_SR_88200; + break; + case 96000: + sampling_rate = MAX98373_PCM_SR_SET1_SR_96000; + break; + default: + dev_err(component->dev, "rate %d not supported\n", + params_rate(params)); + goto err; + } + + /* set DAI_SR to correct LRCLK frequency */ + regmap_update_bits(max98373->regmap, + MAX98373_R2027_PCM_SR_SETUP_1, + MAX98373_PCM_SR_SET1_SR_MASK, + sampling_rate); + regmap_update_bits(max98373->regmap, + MAX98373_R2028_PCM_SR_SETUP_2, + MAX98373_PCM_SR_SET2_SR_MASK, + sampling_rate << MAX98373_PCM_SR_SET2_SR_SHIFT); + + /* set sampling rate of IV */ + if (max98373->interleave_mode && + sampling_rate > MAX98373_PCM_SR_SET1_SR_16000) + regmap_update_bits(max98373->regmap, + MAX98373_R2028_PCM_SR_SETUP_2, + MAX98373_PCM_SR_SET2_IVADC_SR_MASK, + sampling_rate - 3); + else + regmap_update_bits(max98373->regmap, + MAX98373_R2028_PCM_SR_SETUP_2, + MAX98373_PCM_SR_SET2_IVADC_SR_MASK, + sampling_rate); + + return max98373_set_clock(component, params); +err: + return -EINVAL; +} + +static int max98373_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 max98373_priv *max98373 = snd_soc_component_get_drvdata(component); + int bsel = 0; + unsigned int chan_sz = 0; + unsigned int mask; + int x, slot_found; + + if (!tx_mask && !rx_mask && !slots && !slot_width) + max98373->tdm_mode = false; + else + max98373->tdm_mode = true; + + /* BCLK configuration */ + bsel = max98373_get_bclk_sel(slots * slot_width); + if (bsel == 0) { + dev_err(component->dev, "BCLK %d not supported\n", + slots * slot_width); + return -EINVAL; + } + + regmap_update_bits(max98373->regmap, + MAX98373_R2026_PCM_CLOCK_RATIO, + MAX98373_PCM_CLK_SETUP_BSEL_MASK, + bsel); + + /* Channel size configuration */ + switch (slot_width) { + case 16: + chan_sz = MAX98373_PCM_MODE_CFG_CHANSZ_16; + break; + case 24: + chan_sz = MAX98373_PCM_MODE_CFG_CHANSZ_24; + break; + case 32: + chan_sz = MAX98373_PCM_MODE_CFG_CHANSZ_32; + break; + default: + dev_err(component->dev, "format unsupported %d\n", + slot_width); + return -EINVAL; + } + + regmap_update_bits(max98373->regmap, + MAX98373_R2024_PCM_DATA_FMT_CFG, + MAX98373_PCM_MODE_CFG_CHANSZ_MASK, chan_sz); + + /* Rx slot configuration */ + slot_found = 0; + mask = rx_mask; + for (x = 0 ; x < 16 ; x++, mask >>= 1) { + if (mask & 0x1) { + if (slot_found == 0) + regmap_update_bits(max98373->regmap, + MAX98373_R2029_PCM_TO_SPK_MONO_MIX_1, + MAX98373_PCM_TO_SPK_CH0_SRC_MASK, x); + else + regmap_write(max98373->regmap, + MAX98373_R202A_PCM_TO_SPK_MONO_MIX_2, + x); + slot_found++; + if (slot_found > 1) + break; + } + } + + /* Tx slot Hi-Z configuration */ + regmap_write(max98373->regmap, + MAX98373_R2020_PCM_TX_HIZ_EN_1, + ~tx_mask & 0xFF); + regmap_write(max98373->regmap, + MAX98373_R2021_PCM_TX_HIZ_EN_2, + (~tx_mask & 0xFF00) >> 8); + + return 0; +} + +#define MAX98373_RATES SNDRV_PCM_RATE_8000_96000 + +#define MAX98373_FORMATS (SNDRV_PCM_FMTBIT_S16_LE | \ + SNDRV_PCM_FMTBIT_S24_LE | SNDRV_PCM_FMTBIT_S32_LE) + +static const struct snd_soc_dai_ops max98373_dai_ops = { + .set_fmt = max98373_dai_set_fmt, + .hw_params = max98373_dai_hw_params, + .set_tdm_slot = max98373_dai_tdm_slot, +}; + +static bool max98373_readable_register(struct device *dev, unsigned int reg) +{ + switch (reg) { + case MAX98373_R2000_SW_RESET: + case MAX98373_R2001_INT_RAW1 ... MAX98373_R200C_INT_EN3: + case MAX98373_R2010_IRQ_CTRL: + case MAX98373_R2014_THERM_WARN_THRESH + ... MAX98373_R2018_THERM_FOLDBACK_EN: + case MAX98373_R201E_PIN_DRIVE_STRENGTH + ... MAX98373_R2036_SOUNDWIRE_CTRL: + case MAX98373_R203D_AMP_DIG_VOL_CTRL ... MAX98373_R2043_AMP_EN: + case MAX98373_R2046_IV_SENSE_ADC_DSP_CFG + ... MAX98373_R2047_IV_SENSE_ADC_EN: + case MAX98373_R2051_MEAS_ADC_SAMPLING_RATE + ... MAX98373_R2056_MEAS_ADC_PVDD_CH_EN: + case MAX98373_R2090_BDE_LVL_HOLD ... MAX98373_R2092_BDE_CLIPPER_MODE: + case MAX98373_R2097_BDE_L1_THRESH + ... MAX98373_R209B_BDE_THRESH_HYST: + case MAX98373_R20A8_BDE_L1_CFG_1 ... MAX98373_R20B3_BDE_L4_CFG_3: + case MAX98373_R20B5_BDE_EN ... MAX98373_R20B6_BDE_CUR_STATE_READBACK: + case MAX98373_R20D1_DHT_CFG ... MAX98373_R20D4_DHT_EN: + case MAX98373_R20E0_LIMITER_THRESH_CFG ... MAX98373_R20E2_LIMITER_EN: + case MAX98373_R20FE_DEVICE_AUTO_RESTART_CFG + ... MAX98373_R20FF_GLOBAL_SHDN: + case MAX98373_R21FF_REV_ID: + return true; + default: + return false; + } +}; + +static bool max98373_volatile_reg(struct device *dev, unsigned int reg) +{ + switch (reg) { + case MAX98373_R2000_SW_RESET ... MAX98373_R2009_INT_FLAG3: + case MAX98373_R203E_AMP_PATH_GAIN: + case MAX98373_R2054_MEAS_ADC_PVDD_CH_READBACK: + case MAX98373_R2055_MEAS_ADC_THERM_CH_READBACK: + case MAX98373_R20B6_BDE_CUR_STATE_READBACK: + case MAX98373_R21FF_REV_ID: + return true; + default: + return false; + } +} + +static struct snd_soc_dai_driver max98373_dai[] = { + { + .name = "max98373-aif1", + .playback = { + .stream_name = "HiFi Playback", + .channels_min = 1, + .channels_max = 2, + .rates = MAX98373_RATES, + .formats = MAX98373_FORMATS, + }, + .capture = { + .stream_name = "HiFi Capture", + .channels_min = 1, + .channels_max = 2, + .rates = MAX98373_RATES, + .formats = MAX98373_FORMATS, + }, + .ops = &max98373_dai_ops, + } +}; + +#ifdef CONFIG_PM_SLEEP +static int max98373_suspend(struct device *dev) +{ + struct max98373_priv *max98373 = dev_get_drvdata(dev); + + regcache_cache_only(max98373->regmap, true); + regcache_mark_dirty(max98373->regmap); + return 0; +} + +static int max98373_resume(struct device *dev) +{ + struct max98373_priv *max98373 = dev_get_drvdata(dev); + + regcache_cache_only(max98373->regmap, false); + max98373_reset(max98373, dev); + regcache_sync(max98373->regmap); + return 0; +} +#endif + +static const struct dev_pm_ops max98373_pm = { + SET_SYSTEM_SLEEP_PM_OPS(max98373_suspend, max98373_resume) +}; + +static const struct regmap_config max98373_regmap = { + .reg_bits = 16, + .val_bits = 8, + .max_register = MAX98373_R21FF_REV_ID, + .reg_defaults = max98373_reg, + .num_reg_defaults = ARRAY_SIZE(max98373_reg), + .readable_reg = max98373_readable_register, + .volatile_reg = max98373_volatile_reg, + .cache_type = REGCACHE_RBTREE, +}; + +static int max98373_i2c_probe(struct i2c_client *i2c, + const struct i2c_device_id *id) +{ + int ret = 0; + int reg = 0; + struct max98373_priv *max98373 = NULL; + + max98373 = devm_kzalloc(&i2c->dev, sizeof(*max98373), GFP_KERNEL); + + if (!max98373) { + ret = -ENOMEM; + return ret; + } + i2c_set_clientdata(i2c, max98373); + + /* update interleave mode info */ + if (device_property_read_bool(&i2c->dev, "maxim,interleave_mode")) + max98373->interleave_mode = true; + else + max98373->interleave_mode = false; + + /* regmap initialization */ + max98373->regmap = devm_regmap_init_i2c(i2c, &max98373_regmap); + if (IS_ERR(max98373->regmap)) { + ret = PTR_ERR(max98373->regmap); + dev_err(&i2c->dev, + "Failed to allocate regmap: %d\n", ret); + return ret; + } + + /* voltage/current slot & gpio configuration */ + max98373_slot_config(&i2c->dev, max98373); + + /* Power on device */ + if (gpio_is_valid(max98373->reset_gpio)) { + ret = devm_gpio_request(&i2c->dev, max98373->reset_gpio, + "MAX98373_RESET"); + if (ret) { + dev_err(&i2c->dev, "%s: Failed to request gpio %d\n", + __func__, max98373->reset_gpio); + return -EINVAL; + } + gpio_direction_output(max98373->reset_gpio, 0); + msleep(50); + gpio_direction_output(max98373->reset_gpio, 1); + msleep(20); + } + + /* Check Revision ID */ + ret = regmap_read(max98373->regmap, + MAX98373_R21FF_REV_ID, ®); + if (ret < 0) { + dev_err(&i2c->dev, + "Failed to read: 0x%02X\n", MAX98373_R21FF_REV_ID); + return ret; + } + dev_info(&i2c->dev, "MAX98373 revisionID: 0x%02X\n", reg); + + /* codec registration */ + ret = devm_snd_soc_register_component(&i2c->dev, &soc_codec_dev_max98373, + max98373_dai, ARRAY_SIZE(max98373_dai)); + if (ret < 0) + dev_err(&i2c->dev, "Failed to register codec: %d\n", ret); + + return ret; +} + +static const struct i2c_device_id max98373_i2c_id[] = { + { "max98373", 0}, + { }, +}; + +MODULE_DEVICE_TABLE(i2c, max98373_i2c_id); + +#if defined(CONFIG_OF) +static const struct of_device_id max98373_of_match[] = { + { .compatible = "maxim,max98373", }, + { } +}; +MODULE_DEVICE_TABLE(of, max98373_of_match); +#endif + +#ifdef CONFIG_ACPI +static const struct acpi_device_id max98373_acpi_match[] = { + { "MX98373", 0 }, + {}, +}; +MODULE_DEVICE_TABLE(acpi, max98373_acpi_match); +#endif + +static struct i2c_driver max98373_i2c_driver = { + .driver = { + .name = "max98373", + .of_match_table = of_match_ptr(max98373_of_match), + .acpi_match_table = ACPI_PTR(max98373_acpi_match), + .pm = &max98373_pm, + }, + .probe = max98373_i2c_probe, + .id_table = max98373_i2c_id, +}; + +module_i2c_driver(max98373_i2c_driver) + +MODULE_DESCRIPTION("ALSA SoC MAX98373 driver"); +MODULE_AUTHOR("Ryan Lee ryans.lee@maximintegrated.com"); +MODULE_LICENSE("GPL"); diff --git a/sound/soc/codecs/max98373.c b/sound/soc/codecs/max98373.c index 96718e3a1ad0..a8ed9f12682b 100644 --- a/sound/soc/codecs/max98373.c +++ b/sound/soc/codecs/max98373.c @@ -17,388 +17,6 @@ #include <sound/tlv.h> #include "max98373.h"
-static struct reg_default max98373_reg[] = { - {MAX98373_R2000_SW_RESET, 0x00}, - {MAX98373_R2001_INT_RAW1, 0x00}, - {MAX98373_R2002_INT_RAW2, 0x00}, - {MAX98373_R2003_INT_RAW3, 0x00}, - {MAX98373_R2004_INT_STATE1, 0x00}, - {MAX98373_R2005_INT_STATE2, 0x00}, - {MAX98373_R2006_INT_STATE3, 0x00}, - {MAX98373_R2007_INT_FLAG1, 0x00}, - {MAX98373_R2008_INT_FLAG2, 0x00}, - {MAX98373_R2009_INT_FLAG3, 0x00}, - {MAX98373_R200A_INT_EN1, 0x00}, - {MAX98373_R200B_INT_EN2, 0x00}, - {MAX98373_R200C_INT_EN3, 0x00}, - {MAX98373_R200D_INT_FLAG_CLR1, 0x00}, - {MAX98373_R200E_INT_FLAG_CLR2, 0x00}, - {MAX98373_R200F_INT_FLAG_CLR3, 0x00}, - {MAX98373_R2010_IRQ_CTRL, 0x00}, - {MAX98373_R2014_THERM_WARN_THRESH, 0x10}, - {MAX98373_R2015_THERM_SHDN_THRESH, 0x27}, - {MAX98373_R2016_THERM_HYSTERESIS, 0x01}, - {MAX98373_R2017_THERM_FOLDBACK_SET, 0xC0}, - {MAX98373_R2018_THERM_FOLDBACK_EN, 0x00}, - {MAX98373_R201E_PIN_DRIVE_STRENGTH, 0x55}, - {MAX98373_R2020_PCM_TX_HIZ_EN_1, 0xFE}, - {MAX98373_R2021_PCM_TX_HIZ_EN_2, 0xFF}, - {MAX98373_R2022_PCM_TX_SRC_1, 0x00}, - {MAX98373_R2023_PCM_TX_SRC_2, 0x00}, - {MAX98373_R2024_PCM_DATA_FMT_CFG, 0xC0}, - {MAX98373_R2025_AUDIO_IF_MODE, 0x00}, - {MAX98373_R2026_PCM_CLOCK_RATIO, 0x04}, - {MAX98373_R2027_PCM_SR_SETUP_1, 0x08}, - {MAX98373_R2028_PCM_SR_SETUP_2, 0x88}, - {MAX98373_R2029_PCM_TO_SPK_MONO_MIX_1, 0x00}, - {MAX98373_R202A_PCM_TO_SPK_MONO_MIX_2, 0x00}, - {MAX98373_R202B_PCM_RX_EN, 0x00}, - {MAX98373_R202C_PCM_TX_EN, 0x00}, - {MAX98373_R202E_ICC_RX_CH_EN_1, 0x00}, - {MAX98373_R202F_ICC_RX_CH_EN_2, 0x00}, - {MAX98373_R2030_ICC_TX_HIZ_EN_1, 0xFF}, - {MAX98373_R2031_ICC_TX_HIZ_EN_2, 0xFF}, - {MAX98373_R2032_ICC_LINK_EN_CFG, 0x30}, - {MAX98373_R2034_ICC_TX_CNTL, 0x00}, - {MAX98373_R2035_ICC_TX_EN, 0x00}, - {MAX98373_R2036_SOUNDWIRE_CTRL, 0x05}, - {MAX98373_R203D_AMP_DIG_VOL_CTRL, 0x00}, - {MAX98373_R203E_AMP_PATH_GAIN, 0x08}, - {MAX98373_R203F_AMP_DSP_CFG, 0x02}, - {MAX98373_R2040_TONE_GEN_CFG, 0x00}, - {MAX98373_R2041_AMP_CFG, 0x03}, - {MAX98373_R2042_AMP_EDGE_RATE_CFG, 0x00}, - {MAX98373_R2043_AMP_EN, 0x00}, - {MAX98373_R2046_IV_SENSE_ADC_DSP_CFG, 0x04}, - {MAX98373_R2047_IV_SENSE_ADC_EN, 0x00}, - {MAX98373_R2051_MEAS_ADC_SAMPLING_RATE, 0x00}, - {MAX98373_R2052_MEAS_ADC_PVDD_FLT_CFG, 0x00}, - {MAX98373_R2053_MEAS_ADC_THERM_FLT_CFG, 0x00}, - {MAX98373_R2054_MEAS_ADC_PVDD_CH_READBACK, 0x00}, - {MAX98373_R2055_MEAS_ADC_THERM_CH_READBACK, 0x00}, - {MAX98373_R2056_MEAS_ADC_PVDD_CH_EN, 0x00}, - {MAX98373_R2090_BDE_LVL_HOLD, 0x00}, - {MAX98373_R2091_BDE_GAIN_ATK_REL_RATE, 0x00}, - {MAX98373_R2092_BDE_CLIPPER_MODE, 0x00}, - {MAX98373_R2097_BDE_L1_THRESH, 0x00}, - {MAX98373_R2098_BDE_L2_THRESH, 0x00}, - {MAX98373_R2099_BDE_L3_THRESH, 0x00}, - {MAX98373_R209A_BDE_L4_THRESH, 0x00}, - {MAX98373_R209B_BDE_THRESH_HYST, 0x00}, - {MAX98373_R20A8_BDE_L1_CFG_1, 0x00}, - {MAX98373_R20A9_BDE_L1_CFG_2, 0x00}, - {MAX98373_R20AA_BDE_L1_CFG_3, 0x00}, - {MAX98373_R20AB_BDE_L2_CFG_1, 0x00}, - {MAX98373_R20AC_BDE_L2_CFG_2, 0x00}, - {MAX98373_R20AD_BDE_L2_CFG_3, 0x00}, - {MAX98373_R20AE_BDE_L3_CFG_1, 0x00}, - {MAX98373_R20AF_BDE_L3_CFG_2, 0x00}, - {MAX98373_R20B0_BDE_L3_CFG_3, 0x00}, - {MAX98373_R20B1_BDE_L4_CFG_1, 0x00}, - {MAX98373_R20B2_BDE_L4_CFG_2, 0x00}, - {MAX98373_R20B3_BDE_L4_CFG_3, 0x00}, - {MAX98373_R20B4_BDE_INFINITE_HOLD_RELEASE, 0x00}, - {MAX98373_R20B5_BDE_EN, 0x00}, - {MAX98373_R20B6_BDE_CUR_STATE_READBACK, 0x00}, - {MAX98373_R20D1_DHT_CFG, 0x01}, - {MAX98373_R20D2_DHT_ATTACK_CFG, 0x02}, - {MAX98373_R20D3_DHT_RELEASE_CFG, 0x03}, - {MAX98373_R20D4_DHT_EN, 0x00}, - {MAX98373_R20E0_LIMITER_THRESH_CFG, 0x00}, - {MAX98373_R20E1_LIMITER_ATK_REL_RATES, 0x00}, - {MAX98373_R20E2_LIMITER_EN, 0x00}, - {MAX98373_R20FE_DEVICE_AUTO_RESTART_CFG, 0x00}, - {MAX98373_R20FF_GLOBAL_SHDN, 0x00}, - {MAX98373_R21FF_REV_ID, 0x42}, -}; - -static int max98373_dai_set_fmt(struct snd_soc_dai *codec_dai, unsigned int fmt) -{ - struct snd_soc_component *component = codec_dai->component; - struct max98373_priv *max98373 = snd_soc_component_get_drvdata(component); - unsigned int format = 0; - unsigned int invert = 0; - - dev_dbg(component->dev, "%s: fmt 0x%08X\n", __func__, fmt); - - switch (fmt & SND_SOC_DAIFMT_INV_MASK) { - case SND_SOC_DAIFMT_NB_NF: - break; - case SND_SOC_DAIFMT_IB_NF: - invert = MAX98373_PCM_MODE_CFG_PCM_BCLKEDGE; - break; - default: - dev_err(component->dev, "DAI invert mode unsupported\n"); - return -EINVAL; - } - - regmap_update_bits(max98373->regmap, - MAX98373_R2026_PCM_CLOCK_RATIO, - MAX98373_PCM_MODE_CFG_PCM_BCLKEDGE, - invert); - - /* interface format */ - switch (fmt & SND_SOC_DAIFMT_FORMAT_MASK) { - case SND_SOC_DAIFMT_I2S: - format = MAX98373_PCM_FORMAT_I2S; - break; - case SND_SOC_DAIFMT_LEFT_J: - format = MAX98373_PCM_FORMAT_LJ; - break; - case SND_SOC_DAIFMT_DSP_A: - format = MAX98373_PCM_FORMAT_TDM_MODE1; - break; - case SND_SOC_DAIFMT_DSP_B: - format = MAX98373_PCM_FORMAT_TDM_MODE0; - break; - default: - return -EINVAL; - } - - regmap_update_bits(max98373->regmap, - MAX98373_R2024_PCM_DATA_FMT_CFG, - MAX98373_PCM_MODE_CFG_FORMAT_MASK, - format << MAX98373_PCM_MODE_CFG_FORMAT_SHIFT); - - return 0; -} - -/* BCLKs per LRCLK */ -static const int bclk_sel_table[] = { - 32, 48, 64, 96, 128, 192, 256, 384, 512, 320, -}; - -static int max98373_get_bclk_sel(int bclk) -{ - int i; - /* match BCLKs per LRCLK */ - for (i = 0; i < ARRAY_SIZE(bclk_sel_table); i++) { - if (bclk_sel_table[i] == bclk) - return i + 2; - } - return 0; -} - -static int max98373_set_clock(struct snd_soc_component *component, - struct snd_pcm_hw_params *params) -{ - struct max98373_priv *max98373 = snd_soc_component_get_drvdata(component); - /* BCLK/LRCLK ratio calculation */ - int blr_clk_ratio = params_channels(params) * max98373->ch_size; - int value; - - if (!max98373->tdm_mode) { - /* BCLK configuration */ - value = max98373_get_bclk_sel(blr_clk_ratio); - if (!value) { - dev_err(component->dev, "format unsupported %d\n", - params_format(params)); - return -EINVAL; - } - - regmap_update_bits(max98373->regmap, - MAX98373_R2026_PCM_CLOCK_RATIO, - MAX98373_PCM_CLK_SETUP_BSEL_MASK, - value); - } - return 0; -} - -static int max98373_dai_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 max98373_priv *max98373 = snd_soc_component_get_drvdata(component); - unsigned int sampling_rate = 0; - unsigned int chan_sz = 0; - - /* pcm mode configuration */ - switch (snd_pcm_format_width(params_format(params))) { - case 16: - chan_sz = MAX98373_PCM_MODE_CFG_CHANSZ_16; - break; - case 24: - chan_sz = MAX98373_PCM_MODE_CFG_CHANSZ_24; - break; - case 32: - chan_sz = MAX98373_PCM_MODE_CFG_CHANSZ_32; - break; - default: - dev_err(component->dev, "format unsupported %d\n", - params_format(params)); - goto err; - } - - max98373->ch_size = snd_pcm_format_width(params_format(params)); - - regmap_update_bits(max98373->regmap, - MAX98373_R2024_PCM_DATA_FMT_CFG, - MAX98373_PCM_MODE_CFG_CHANSZ_MASK, chan_sz); - - dev_dbg(component->dev, "format supported %d", - params_format(params)); - - /* sampling rate configuration */ - switch (params_rate(params)) { - case 8000: - sampling_rate = MAX98373_PCM_SR_SET1_SR_8000; - break; - case 11025: - sampling_rate = MAX98373_PCM_SR_SET1_SR_11025; - break; - case 12000: - sampling_rate = MAX98373_PCM_SR_SET1_SR_12000; - break; - case 16000: - sampling_rate = MAX98373_PCM_SR_SET1_SR_16000; - break; - case 22050: - sampling_rate = MAX98373_PCM_SR_SET1_SR_22050; - break; - case 24000: - sampling_rate = MAX98373_PCM_SR_SET1_SR_24000; - break; - case 32000: - sampling_rate = MAX98373_PCM_SR_SET1_SR_32000; - break; - case 44100: - sampling_rate = MAX98373_PCM_SR_SET1_SR_44100; - break; - case 48000: - sampling_rate = MAX98373_PCM_SR_SET1_SR_48000; - break; - case 88200: - sampling_rate = MAX98373_PCM_SR_SET1_SR_88200; - break; - case 96000: - sampling_rate = MAX98373_PCM_SR_SET1_SR_96000; - break; - default: - dev_err(component->dev, "rate %d not supported\n", - params_rate(params)); - goto err; - } - - /* set DAI_SR to correct LRCLK frequency */ - regmap_update_bits(max98373->regmap, - MAX98373_R2027_PCM_SR_SETUP_1, - MAX98373_PCM_SR_SET1_SR_MASK, - sampling_rate); - regmap_update_bits(max98373->regmap, - MAX98373_R2028_PCM_SR_SETUP_2, - MAX98373_PCM_SR_SET2_SR_MASK, - sampling_rate << MAX98373_PCM_SR_SET2_SR_SHIFT); - - /* set sampling rate of IV */ - if (max98373->interleave_mode && - sampling_rate > MAX98373_PCM_SR_SET1_SR_16000) - regmap_update_bits(max98373->regmap, - MAX98373_R2028_PCM_SR_SETUP_2, - MAX98373_PCM_SR_SET2_IVADC_SR_MASK, - sampling_rate - 3); - else - regmap_update_bits(max98373->regmap, - MAX98373_R2028_PCM_SR_SETUP_2, - MAX98373_PCM_SR_SET2_IVADC_SR_MASK, - sampling_rate); - - return max98373_set_clock(component, params); -err: - return -EINVAL; -} - -static int max98373_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 max98373_priv *max98373 = snd_soc_component_get_drvdata(component); - int bsel = 0; - unsigned int chan_sz = 0; - unsigned int mask; - int x, slot_found; - - if (!tx_mask && !rx_mask && !slots && !slot_width) - max98373->tdm_mode = false; - else - max98373->tdm_mode = true; - - /* BCLK configuration */ - bsel = max98373_get_bclk_sel(slots * slot_width); - if (bsel == 0) { - dev_err(component->dev, "BCLK %d not supported\n", - slots * slot_width); - return -EINVAL; - } - - regmap_update_bits(max98373->regmap, - MAX98373_R2026_PCM_CLOCK_RATIO, - MAX98373_PCM_CLK_SETUP_BSEL_MASK, - bsel); - - /* Channel size configuration */ - switch (slot_width) { - case 16: - chan_sz = MAX98373_PCM_MODE_CFG_CHANSZ_16; - break; - case 24: - chan_sz = MAX98373_PCM_MODE_CFG_CHANSZ_24; - break; - case 32: - chan_sz = MAX98373_PCM_MODE_CFG_CHANSZ_32; - break; - default: - dev_err(component->dev, "format unsupported %d\n", - slot_width); - return -EINVAL; - } - - regmap_update_bits(max98373->regmap, - MAX98373_R2024_PCM_DATA_FMT_CFG, - MAX98373_PCM_MODE_CFG_CHANSZ_MASK, chan_sz); - - /* Rx slot configuration */ - slot_found = 0; - mask = rx_mask; - for (x = 0 ; x < 16 ; x++, mask >>= 1) { - if (mask & 0x1) { - if (slot_found == 0) - regmap_update_bits(max98373->regmap, - MAX98373_R2029_PCM_TO_SPK_MONO_MIX_1, - MAX98373_PCM_TO_SPK_CH0_SRC_MASK, x); - else - regmap_write(max98373->regmap, - MAX98373_R202A_PCM_TO_SPK_MONO_MIX_2, - x); - slot_found++; - if (slot_found > 1) - break; - } - } - - /* Tx slot Hi-Z configuration */ - regmap_write(max98373->regmap, - MAX98373_R2020_PCM_TX_HIZ_EN_1, - ~tx_mask & 0xFF); - regmap_write(max98373->regmap, - MAX98373_R2021_PCM_TX_HIZ_EN_2, - (~tx_mask & 0xFF00) >> 8); - - return 0; -} - -#define MAX98373_RATES SNDRV_PCM_RATE_8000_96000 - -#define MAX98373_FORMATS (SNDRV_PCM_FMTBIT_S16_LE | \ - SNDRV_PCM_FMTBIT_S24_LE | SNDRV_PCM_FMTBIT_S32_LE) - -static const struct snd_soc_dai_ops max98373_dai_ops = { - .set_fmt = max98373_dai_set_fmt, - .hw_params = max98373_dai_hw_params, - .set_tdm_slot = max98373_dai_tdm_slot, -}; - static int max98373_dac_event(struct snd_soc_dapm_widget *w, struct snd_kcontrol *kcontrol, int event) { @@ -493,52 +111,6 @@ static const DECLARE_TLV_DB_RANGE(max98373_bde_gain_tlv, 0, 60, TLV_DB_SCALE_ITEM(-1500, 25, 0), );
-static bool max98373_readable_register(struct device *dev, unsigned int reg) -{ - switch (reg) { - case MAX98373_R2000_SW_RESET: - case MAX98373_R2001_INT_RAW1 ... MAX98373_R200C_INT_EN3: - case MAX98373_R2010_IRQ_CTRL: - case MAX98373_R2014_THERM_WARN_THRESH - ... MAX98373_R2018_THERM_FOLDBACK_EN: - case MAX98373_R201E_PIN_DRIVE_STRENGTH - ... MAX98373_R2036_SOUNDWIRE_CTRL: - case MAX98373_R203D_AMP_DIG_VOL_CTRL ... MAX98373_R2043_AMP_EN: - case MAX98373_R2046_IV_SENSE_ADC_DSP_CFG - ... MAX98373_R2047_IV_SENSE_ADC_EN: - case MAX98373_R2051_MEAS_ADC_SAMPLING_RATE - ... MAX98373_R2056_MEAS_ADC_PVDD_CH_EN: - case MAX98373_R2090_BDE_LVL_HOLD ... MAX98373_R2092_BDE_CLIPPER_MODE: - case MAX98373_R2097_BDE_L1_THRESH - ... MAX98373_R209B_BDE_THRESH_HYST: - case MAX98373_R20A8_BDE_L1_CFG_1 ... MAX98373_R20B3_BDE_L4_CFG_3: - case MAX98373_R20B5_BDE_EN ... MAX98373_R20B6_BDE_CUR_STATE_READBACK: - case MAX98373_R20D1_DHT_CFG ... MAX98373_R20D4_DHT_EN: - case MAX98373_R20E0_LIMITER_THRESH_CFG ... MAX98373_R20E2_LIMITER_EN: - case MAX98373_R20FE_DEVICE_AUTO_RESTART_CFG - ... MAX98373_R20FF_GLOBAL_SHDN: - case MAX98373_R21FF_REV_ID: - return true; - default: - return false; - } -}; - -static bool max98373_volatile_reg(struct device *dev, unsigned int reg) -{ - switch (reg) { - case MAX98373_R2000_SW_RESET ... MAX98373_R2009_INT_FLAG3: - case MAX98373_R203E_AMP_PATH_GAIN: - case MAX98373_R2054_MEAS_ADC_PVDD_CH_READBACK: - case MAX98373_R2055_MEAS_ADC_THERM_CH_READBACK: - case MAX98373_R20B6_BDE_CUR_STATE_READBACK: - case MAX98373_R21FF_REV_ID: - return true; - default: - return false; - } -} - static const char * const max98373_output_voltage_lvl_text[] = { "5.43V", "6.09V", "6.83V", "7.67V", "8.60V", "9.65V", "10.83V", "12.15V", "13.63V", "15.29V" @@ -710,28 +282,7 @@ static const struct snd_soc_dapm_route max98373_audio_map[] = { { "Speaker FB Sense", NULL, "SpkFB Sense" }, };
-static struct snd_soc_dai_driver max98373_dai[] = { - { - .name = "max98373-aif1", - .playback = { - .stream_name = "HiFi Playback", - .channels_min = 1, - .channels_max = 2, - .rates = MAX98373_RATES, - .formats = MAX98373_FORMATS, - }, - .capture = { - .stream_name = "HiFi Capture", - .channels_min = 1, - .channels_max = 2, - .rates = MAX98373_RATES, - .formats = MAX98373_FORMATS, - }, - .ops = &max98373_dai_ops, - } -}; - -static void max98373_reset(struct max98373_priv *max98373, struct device *dev) +void max98373_reset(struct max98373_priv *max98373, struct device *dev) { int ret, reg, count;
@@ -757,6 +308,7 @@ static void max98373_reset(struct max98373_priv *max98373, struct device *dev) } dev_err(dev, "Reset failed. (ret:%d)\n", ret); } +EXPORT_SYMBOL_GPL(max98373_reset);
static int max98373_probe(struct snd_soc_component *component) { @@ -837,31 +389,7 @@ static int max98373_probe(struct snd_soc_component *component) return 0; }
-#ifdef CONFIG_PM_SLEEP -static int max98373_suspend(struct device *dev) -{ - struct max98373_priv *max98373 = dev_get_drvdata(dev); - - regcache_cache_only(max98373->regmap, true); - regcache_mark_dirty(max98373->regmap); - return 0; -} -static int max98373_resume(struct device *dev) -{ - struct max98373_priv *max98373 = dev_get_drvdata(dev); - - regcache_cache_only(max98373->regmap, false); - max98373_reset(max98373, dev); - regcache_sync(max98373->regmap); - return 0; -} -#endif - -static const struct dev_pm_ops max98373_pm = { - SET_SYSTEM_SLEEP_PM_OPS(max98373_suspend, max98373_resume) -}; - -static const struct snd_soc_component_driver soc_codec_dev_max98373 = { +const struct snd_soc_component_driver soc_codec_dev_max98373 = { .probe = max98373_probe, .controls = max98373_snd_controls, .num_controls = ARRAY_SIZE(max98373_snd_controls), @@ -874,23 +402,12 @@ static const struct snd_soc_component_driver soc_codec_dev_max98373 = { .endianness = 1, .non_legacy_dai_naming = 1, }; +EXPORT_SYMBOL_GPL(soc_codec_dev_max98373);
-static const struct regmap_config max98373_regmap = { - .reg_bits = 16, - .val_bits = 8, - .max_register = MAX98373_R21FF_REV_ID, - .reg_defaults = max98373_reg, - .num_reg_defaults = ARRAY_SIZE(max98373_reg), - .readable_reg = max98373_readable_register, - .volatile_reg = max98373_volatile_reg, - .cache_type = REGCACHE_RBTREE, -}; - -static void max98373_slot_config(struct i2c_client *i2c, - struct max98373_priv *max98373) +void max98373_slot_config(struct device *dev, + struct max98373_priv *max98373) { int value; - struct device *dev = &i2c->dev;
if (!device_property_read_u32(dev, "maxim,vmon-slot-no", &value)) max98373->v_slot = value & 0xF; @@ -922,111 +439,7 @@ static void max98373_slot_config(struct i2c_client *i2c, else max98373->spkfb_slot = 2; } - -static int max98373_i2c_probe(struct i2c_client *i2c, - const struct i2c_device_id *id) -{ - - int ret = 0; - int reg = 0; - struct max98373_priv *max98373 = NULL; - - max98373 = devm_kzalloc(&i2c->dev, sizeof(*max98373), GFP_KERNEL); - - if (!max98373) { - ret = -ENOMEM; - return ret; - } - i2c_set_clientdata(i2c, max98373); - - /* update interleave mode info */ - if (device_property_read_bool(&i2c->dev, "maxim,interleave_mode")) - max98373->interleave_mode = true; - else - max98373->interleave_mode = false; - - /* regmap initialization */ - max98373->regmap - = devm_regmap_init_i2c(i2c, &max98373_regmap); - if (IS_ERR(max98373->regmap)) { - ret = PTR_ERR(max98373->regmap); - dev_err(&i2c->dev, - "Failed to allocate regmap: %d\n", ret); - return ret; - } - - /* voltage/current slot & gpio configuration */ - max98373_slot_config(i2c, max98373); - - /* Power on device */ - if (gpio_is_valid(max98373->reset_gpio)) { - ret = devm_gpio_request(&i2c->dev, max98373->reset_gpio, - "MAX98373_RESET"); - if (ret) { - dev_err(&i2c->dev, "%s: Failed to request gpio %d\n", - __func__, max98373->reset_gpio); - return -EINVAL; - } - gpio_direction_output(max98373->reset_gpio, 0); - msleep(50); - gpio_direction_output(max98373->reset_gpio, 1); - msleep(20); - } - - /* Check Revision ID */ - ret = regmap_read(max98373->regmap, - MAX98373_R21FF_REV_ID, ®); - if (ret < 0) { - dev_err(&i2c->dev, - "Failed to read: 0x%02X\n", MAX98373_R21FF_REV_ID); - return ret; - } - dev_info(&i2c->dev, "MAX98373 revisionID: 0x%02X\n", reg); - - /* codec registeration */ - ret = devm_snd_soc_register_component(&i2c->dev, &soc_codec_dev_max98373, - max98373_dai, ARRAY_SIZE(max98373_dai)); - if (ret < 0) - dev_err(&i2c->dev, "Failed to register codec: %d\n", ret); - - return ret; -} - -static const struct i2c_device_id max98373_i2c_id[] = { - { "max98373", 0}, - { }, -}; - -MODULE_DEVICE_TABLE(i2c, max98373_i2c_id); - -#if defined(CONFIG_OF) -static const struct of_device_id max98373_of_match[] = { - { .compatible = "maxim,max98373", }, - { } -}; -MODULE_DEVICE_TABLE(of, max98373_of_match); -#endif - -#ifdef CONFIG_ACPI -static const struct acpi_device_id max98373_acpi_match[] = { - { "MX98373", 0 }, - {}, -}; -MODULE_DEVICE_TABLE(acpi, max98373_acpi_match); -#endif - -static struct i2c_driver max98373_i2c_driver = { - .driver = { - .name = "max98373", - .of_match_table = of_match_ptr(max98373_of_match), - .acpi_match_table = ACPI_PTR(max98373_acpi_match), - .pm = &max98373_pm, - }, - .probe = max98373_i2c_probe, - .id_table = max98373_i2c_id, -}; - -module_i2c_driver(max98373_i2c_driver) +EXPORT_SYMBOL_GPL(max98373_slot_config);
MODULE_DESCRIPTION("ALSA SoC MAX98373 driver"); MODULE_AUTHOR("Ryan Lee ryans.lee@maximintegrated.com"); diff --git a/sound/soc/codecs/max98373.h b/sound/soc/codecs/max98373.h index 63dae8be7105..30e02e7afb6d 100644 --- a/sound/soc/codecs/max98373.h +++ b/sound/soc/codecs/max98373.h @@ -1,5 +1,5 @@ -// SPDX-License-Identifier: GPL-2.0 -// Copyright (c) 2017, Maxim Integrated +/* SPDX-License-Identifier: GPL-2.0-only */ +/* Copyright (c) 2017 Maxim Integrated */
#ifndef _MAX98373_H #define _MAX98373_H @@ -213,4 +213,10 @@ struct max98373_priv { unsigned int ch_size; bool tdm_mode; }; + +extern const struct snd_soc_component_driver soc_codec_dev_max98373; + +void max98373_reset(struct max98373_priv *max98373, struct device *dev); +void max98373_slot_config(struct device *dev, + struct max98373_priv *max98373); #endif diff --git a/sound/soc/intel/boards/Kconfig b/sound/soc/intel/boards/Kconfig index f176df2599a5..1032f6608045 100644 --- a/sound/soc/intel/boards/Kconfig +++ b/sound/soc/intel/boards/Kconfig @@ -390,7 +390,7 @@ config SND_SOC_INTEL_KBL_DA7219_MAX98927_MACH depends on MFD_INTEL_LPSS || COMPILE_TEST select SND_SOC_DA7219 select SND_SOC_MAX98927 - select SND_SOC_MAX98373 + select SND_SOC_MAX98373_I2C select SND_SOC_DMIC select SND_SOC_HDAC_HDMI help @@ -467,7 +467,7 @@ config SND_SOC_INTEL_SOF_RT5682_MACH depends on ((SND_HDA_CODEC_HDMI && SND_SOC_SOF_HDA_AUDIO_CODEC) &&\ (MFD_INTEL_LPSS || COMPILE_TEST)) ||\ (SND_SOC_SOF_BAYTRAIL && (X86_INTEL_LPSS || COMPILE_TEST)) - select SND_SOC_MAX98373 + select SND_SOC_MAX98373_I2C select SND_SOC_RT1015 select SND_SOC_RT5682_I2C select SND_SOC_DMIC @@ -531,7 +531,7 @@ config SND_SOC_INTEL_SOF_DA7219_MAX98373_MACH depends on MFD_INTEL_LPSS || COMPILE_TEST depends on SND_HDA_CODEC_HDMI && SND_SOC_SOF_HDA_AUDIO_CODEC select SND_SOC_DA7219 - select SND_SOC_MAX98373 + select SND_SOC_MAX98373_I2C select SND_SOC_DMIC help This adds support for ASoC machine driver for SOF platforms