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- // SPDX-License-Identifier: GPL-2.0-or-later
- /*
- * max98390.c -- MAX98390 ALSA Soc Audio driver
- *
- * Copyright (C) 2020 Maxim Integrated Products
- *
- */
- #include <linux/acpi.h>
- #include <linux/cdev.h>
- #include <linux/dmi.h>
- #include <linux/firmware.h>
- #include <linux/gpio.h>
- #include <linux/i2c.h>
- #include <linux/module.h>
- #include <linux/of_gpio.h>
- #include <linux/regmap.h>
- #include <linux/slab.h>
- #include <linux/time.h>
- #include <sound/pcm.h>
- #include <sound/pcm_params.h>
- #include <sound/soc.h>
- #include <sound/tlv.h>
- #include "max98390.h"
- static struct reg_default max98390_reg_defaults[] = {
- {MAX98390_INT_EN1, 0xf0},
- {MAX98390_INT_EN2, 0x00},
- {MAX98390_INT_EN3, 0x00},
- {MAX98390_INT_FLAG_CLR1, 0x00},
- {MAX98390_INT_FLAG_CLR2, 0x00},
- {MAX98390_INT_FLAG_CLR3, 0x00},
- {MAX98390_IRQ_CTRL, 0x01},
- {MAX98390_CLK_MON, 0x6d},
- {MAX98390_DAT_MON, 0x03},
- {MAX98390_WDOG_CTRL, 0x00},
- {MAX98390_WDOG_RST, 0x00},
- {MAX98390_MEAS_ADC_THERM_WARN_THRESH, 0x75},
- {MAX98390_MEAS_ADC_THERM_SHDN_THRESH, 0x8c},
- {MAX98390_MEAS_ADC_THERM_HYSTERESIS, 0x08},
- {MAX98390_PIN_CFG, 0x55},
- {MAX98390_PCM_RX_EN_A, 0x00},
- {MAX98390_PCM_RX_EN_B, 0x00},
- {MAX98390_PCM_TX_EN_A, 0x00},
- {MAX98390_PCM_TX_EN_B, 0x00},
- {MAX98390_PCM_TX_HIZ_CTRL_A, 0xff},
- {MAX98390_PCM_TX_HIZ_CTRL_B, 0xff},
- {MAX98390_PCM_CH_SRC_1, 0x00},
- {MAX98390_PCM_CH_SRC_2, 0x00},
- {MAX98390_PCM_CH_SRC_3, 0x00},
- {MAX98390_PCM_MODE_CFG, 0xc0},
- {MAX98390_PCM_MASTER_MODE, 0x1c},
- {MAX98390_PCM_CLK_SETUP, 0x44},
- {MAX98390_PCM_SR_SETUP, 0x08},
- {MAX98390_ICC_RX_EN_A, 0x00},
- {MAX98390_ICC_RX_EN_B, 0x00},
- {MAX98390_ICC_TX_EN_A, 0x00},
- {MAX98390_ICC_TX_EN_B, 0x00},
- {MAX98390_ICC_HIZ_MANUAL_MODE, 0x00},
- {MAX98390_ICC_TX_HIZ_EN_A, 0x00},
- {MAX98390_ICC_TX_HIZ_EN_B, 0x00},
- {MAX98390_ICC_LNK_EN, 0x00},
- {MAX98390_R2039_AMP_DSP_CFG, 0x0f},
- {MAX98390_R203A_AMP_EN, 0x81},
- {MAX98390_TONE_GEN_DC_CFG, 0x00},
- {MAX98390_SPK_SRC_SEL, 0x00},
- {MAX98390_SSM_CFG, 0x85},
- {MAX98390_MEAS_EN, 0x03},
- {MAX98390_MEAS_DSP_CFG, 0x0f},
- {MAX98390_BOOST_CTRL0, 0x1c},
- {MAX98390_BOOST_CTRL3, 0x01},
- {MAX98390_BOOST_CTRL1, 0x40},
- {MAX98390_MEAS_ADC_CFG, 0x07},
- {MAX98390_MEAS_ADC_BASE_MSB, 0x00},
- {MAX98390_MEAS_ADC_BASE_LSB, 0x23},
- {MAX98390_ADC_CH0_DIVIDE, 0x00},
- {MAX98390_ADC_CH1_DIVIDE, 0x00},
- {MAX98390_ADC_CH2_DIVIDE, 0x00},
- {MAX98390_ADC_CH0_FILT_CFG, 0x00},
- {MAX98390_ADC_CH1_FILT_CFG, 0x00},
- {MAX98390_ADC_CH2_FILT_CFG, 0x00},
- {MAX98390_PWR_GATE_CTL, 0x2c},
- {MAX98390_BROWNOUT_EN, 0x00},
- {MAX98390_BROWNOUT_INFINITE_HOLD, 0x00},
- {MAX98390_BROWNOUT_INFINITE_HOLD_CLR, 0x00},
- {MAX98390_BROWNOUT_LVL_HOLD, 0x00},
- {MAX98390_BROWNOUT_LVL1_THRESH, 0x00},
- {MAX98390_BROWNOUT_LVL2_THRESH, 0x00},
- {MAX98390_BROWNOUT_LVL3_THRESH, 0x00},
- {MAX98390_BROWNOUT_LVL4_THRESH, 0x00},
- {MAX98390_BROWNOUT_THRESH_HYSTERYSIS, 0x00},
- {MAX98390_BROWNOUT_AMP_LIMITER_ATK_REL, 0x1f},
- {MAX98390_BROWNOUT_AMP_GAIN_ATK_REL, 0x00},
- {MAX98390_BROWNOUT_AMP1_CLIP_MODE, 0x00},
- {MAX98390_BROWNOUT_LVL1_CUR_LIMIT, 0x00},
- {MAX98390_BROWNOUT_LVL1_AMP1_CTRL1, 0x00},
- {MAX98390_BROWNOUT_LVL1_AMP1_CTRL2, 0x00},
- {MAX98390_BROWNOUT_LVL1_AMP1_CTRL3, 0x00},
- {MAX98390_BROWNOUT_LVL2_CUR_LIMIT, 0x00},
- {MAX98390_BROWNOUT_LVL2_AMP1_CTRL1, 0x00},
- {MAX98390_BROWNOUT_LVL2_AMP1_CTRL2, 0x00},
- {MAX98390_BROWNOUT_LVL2_AMP1_CTRL3, 0x00},
- {MAX98390_BROWNOUT_LVL3_CUR_LIMIT, 0x00},
- {MAX98390_BROWNOUT_LVL3_AMP1_CTRL1, 0x00},
- {MAX98390_BROWNOUT_LVL3_AMP1_CTRL2, 0x00},
- {MAX98390_BROWNOUT_LVL3_AMP1_CTRL3, 0x00},
- {MAX98390_BROWNOUT_LVL4_CUR_LIMIT, 0x00},
- {MAX98390_BROWNOUT_LVL4_AMP1_CTRL1, 0x00},
- {MAX98390_BROWNOUT_LVL4_AMP1_CTRL2, 0x00},
- {MAX98390_BROWNOUT_LVL4_AMP1_CTRL3, 0x00},
- {MAX98390_BROWNOUT_ILIM_HLD, 0x00},
- {MAX98390_BROWNOUT_LIM_HLD, 0x00},
- {MAX98390_BROWNOUT_CLIP_HLD, 0x00},
- {MAX98390_BROWNOUT_GAIN_HLD, 0x00},
- {MAX98390_ENV_TRACK_VOUT_HEADROOM, 0x0f},
- {MAX98390_ENV_TRACK_BOOST_VOUT_DELAY, 0x80},
- {MAX98390_ENV_TRACK_REL_RATE, 0x07},
- {MAX98390_ENV_TRACK_HOLD_RATE, 0x07},
- {MAX98390_ENV_TRACK_CTRL, 0x01},
- {MAX98390_BOOST_BYPASS1, 0x49},
- {MAX98390_BOOST_BYPASS2, 0x2b},
- {MAX98390_BOOST_BYPASS3, 0x08},
- {MAX98390_FET_SCALING1, 0x00},
- {MAX98390_FET_SCALING2, 0x03},
- {MAX98390_FET_SCALING3, 0x00},
- {MAX98390_FET_SCALING4, 0x07},
- {MAX98390_SPK_SPEEDUP, 0x00},
- {DSMIG_WB_DRC_RELEASE_TIME_1, 0x00},
- {DSMIG_WB_DRC_RELEASE_TIME_2, 0x00},
- {DSMIG_WB_DRC_ATTACK_TIME_1, 0x00},
- {DSMIG_WB_DRC_ATTACK_TIME_2, 0x00},
- {DSMIG_WB_DRC_COMPRESSION_RATIO, 0x00},
- {DSMIG_WB_DRC_COMPRESSION_THRESHOLD, 0x00},
- {DSMIG_WB_DRC_MAKEUPGAIN, 0x00},
- {DSMIG_WB_DRC_NOISE_GATE_THRESHOLD, 0x00},
- {DSMIG_WBDRC_HPF_ENABLE, 0x00},
- {DSMIG_WB_DRC_TEST_SMOOTHER_OUT_EN, 0x00},
- {DSMIG_PPR_THRESHOLD, 0x00},
- {DSM_STEREO_BASS_CHANNEL_SELECT, 0x00},
- {DSM_TPROT_THRESHOLD_BYTE0, 0x00},
- {DSM_TPROT_THRESHOLD_BYTE1, 0x00},
- {DSM_TPROT_ROOM_TEMPERATURE_BYTE0, 0x00},
- {DSM_TPROT_ROOM_TEMPERATURE_BYTE1, 0x00},
- {DSM_TPROT_RECIP_RDC_ROOM_BYTE0, 0x00},
- {DSM_TPROT_RECIP_RDC_ROOM_BYTE1, 0x00},
- {DSM_TPROT_RECIP_RDC_ROOM_BYTE2, 0x00},
- {DSM_TPROT_RECIP_TCONST_BYTE0, 0x00},
- {DSM_TPROT_RECIP_TCONST_BYTE1, 0x00},
- {DSM_TPROT_RECIP_TCONST_BYTE2, 0x00},
- {DSM_THERMAL_ATTENUATION_SETTINGS, 0x00},
- {DSM_THERMAL_PILOT_TONE_ATTENUATION, 0x00},
- {DSM_TPROT_PG_TEMP_THRESH_BYTE0, 0x00},
- {DSM_TPROT_PG_TEMP_THRESH_BYTE1, 0x00},
- {DSMIG_DEBUZZER_THRESHOLD, 0x00},
- {DSMIG_DEBUZZER_ALPHA_COEF_TEST_ONLY, 0x08},
- {DSM_VOL_ENA, 0x20},
- {DSM_VOL_CTRL, 0xa0},
- {DSMIG_EN, 0x00},
- {MAX98390_R23E1_DSP_GLOBAL_EN, 0x00},
- {MAX98390_R23FF_GLOBAL_EN, 0x00},
- };
- static int max98390_dsm_calibrate(struct snd_soc_component *component);
- static int max98390_dai_set_fmt(struct snd_soc_dai *codec_dai, unsigned int fmt)
- {
- struct snd_soc_component *component = codec_dai->component;
- struct max98390_priv *max98390 =
- snd_soc_component_get_drvdata(component);
- unsigned int mode;
- unsigned int format;
- unsigned int invert = 0;
- dev_dbg(component->dev, "%s: fmt 0x%08X\n", __func__, fmt);
- switch (fmt & SND_SOC_DAIFMT_MASTER_MASK) {
- case SND_SOC_DAIFMT_CBS_CFS:
- mode = MAX98390_PCM_MASTER_MODE_SLAVE;
- break;
- case SND_SOC_DAIFMT_CBM_CFM:
- max98390->master = true;
- mode = MAX98390_PCM_MASTER_MODE_MASTER;
- break;
- default:
- dev_err(component->dev, "DAI clock mode unsupported\n");
- return -EINVAL;
- }
- regmap_update_bits(max98390->regmap,
- MAX98390_PCM_MASTER_MODE,
- MAX98390_PCM_MASTER_MODE_MASK,
- mode);
- switch (fmt & SND_SOC_DAIFMT_INV_MASK) {
- case SND_SOC_DAIFMT_NB_NF:
- break;
- case SND_SOC_DAIFMT_IB_NF:
- invert = MAX98390_PCM_MODE_CFG_PCM_BCLKEDGE;
- break;
- default:
- dev_err(component->dev, "DAI invert mode unsupported\n");
- return -EINVAL;
- }
- regmap_update_bits(max98390->regmap,
- MAX98390_PCM_MODE_CFG,
- MAX98390_PCM_MODE_CFG_PCM_BCLKEDGE,
- invert);
- /* interface format */
- switch (fmt & SND_SOC_DAIFMT_FORMAT_MASK) {
- case SND_SOC_DAIFMT_I2S:
- format = MAX98390_PCM_FORMAT_I2S;
- break;
- case SND_SOC_DAIFMT_LEFT_J:
- format = MAX98390_PCM_FORMAT_LJ;
- break;
- case SND_SOC_DAIFMT_DSP_A:
- format = MAX98390_PCM_FORMAT_TDM_MODE1;
- break;
- case SND_SOC_DAIFMT_DSP_B:
- format = MAX98390_PCM_FORMAT_TDM_MODE0;
- break;
- default:
- return -EINVAL;
- }
- regmap_update_bits(max98390->regmap,
- MAX98390_PCM_MODE_CFG,
- MAX98390_PCM_MODE_CFG_FORMAT_MASK,
- format << MAX98390_PCM_MODE_CFG_FORMAT_SHIFT);
- return 0;
- }
- static int max98390_get_bclk_sel(int bclk)
- {
- int i;
- /* BCLKs per LRCLK */
- static int bclk_sel_table[] = {
- 32, 48, 64, 96, 128, 192, 256, 320, 384, 512,
- };
- /* 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 max98390_set_clock(struct snd_soc_component *component,
- struct snd_pcm_hw_params *params)
- {
- struct max98390_priv *max98390 =
- snd_soc_component_get_drvdata(component);
- /* codec MCLK rate in master mode */
- static int rate_table[] = {
- 5644800, 6000000, 6144000, 6500000,
- 9600000, 11289600, 12000000, 12288000,
- 13000000, 19200000,
- };
- /* BCLK/LRCLK ratio calculation */
- int blr_clk_ratio = params_channels(params)
- * snd_pcm_format_width(params_format(params));
- int value;
- if (max98390->master) {
- int i;
- /* match rate to closest value */
- for (i = 0; i < ARRAY_SIZE(rate_table); i++) {
- if (rate_table[i] >= max98390->sysclk)
- break;
- }
- if (i == ARRAY_SIZE(rate_table)) {
- dev_err(component->dev, "failed to find proper clock rate.\n");
- return -EINVAL;
- }
- regmap_update_bits(max98390->regmap,
- MAX98390_PCM_MASTER_MODE,
- MAX98390_PCM_MASTER_MODE_MCLK_MASK,
- i << MAX98390_PCM_MASTER_MODE_MCLK_RATE_SHIFT);
- }
- if (!max98390->tdm_mode) {
- /* BCLK configuration */
- value = max98390_get_bclk_sel(blr_clk_ratio);
- if (!value) {
- dev_err(component->dev, "format unsupported %d\n",
- params_format(params));
- return -EINVAL;
- }
- regmap_update_bits(max98390->regmap,
- MAX98390_PCM_CLK_SETUP,
- MAX98390_PCM_CLK_SETUP_BSEL_MASK,
- value);
- }
- return 0;
- }
- static int max98390_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 max98390_priv *max98390 =
- snd_soc_component_get_drvdata(component);
- unsigned int sampling_rate;
- unsigned int chan_sz;
- /* pcm mode configuration */
- switch (snd_pcm_format_width(params_format(params))) {
- case 16:
- chan_sz = MAX98390_PCM_MODE_CFG_CHANSZ_16;
- break;
- case 24:
- chan_sz = MAX98390_PCM_MODE_CFG_CHANSZ_24;
- break;
- case 32:
- chan_sz = MAX98390_PCM_MODE_CFG_CHANSZ_32;
- break;
- default:
- dev_err(component->dev, "format unsupported %d\n",
- params_format(params));
- goto err;
- }
- regmap_update_bits(max98390->regmap,
- MAX98390_PCM_MODE_CFG,
- MAX98390_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 = MAX98390_PCM_SR_SET1_SR_8000;
- break;
- case 11025:
- sampling_rate = MAX98390_PCM_SR_SET1_SR_11025;
- break;
- case 12000:
- sampling_rate = MAX98390_PCM_SR_SET1_SR_12000;
- break;
- case 16000:
- sampling_rate = MAX98390_PCM_SR_SET1_SR_16000;
- break;
- case 22050:
- sampling_rate = MAX98390_PCM_SR_SET1_SR_22050;
- break;
- case 24000:
- sampling_rate = MAX98390_PCM_SR_SET1_SR_24000;
- break;
- case 32000:
- sampling_rate = MAX98390_PCM_SR_SET1_SR_32000;
- break;
- case 44100:
- sampling_rate = MAX98390_PCM_SR_SET1_SR_44100;
- break;
- case 48000:
- sampling_rate = MAX98390_PCM_SR_SET1_SR_48000;
- 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(max98390->regmap,
- MAX98390_PCM_SR_SETUP,
- MAX98390_PCM_SR_SET1_SR_MASK,
- sampling_rate);
- return max98390_set_clock(component, params);
- err:
- return -EINVAL;
- }
- static int max98390_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 max98390_priv *max98390 =
- snd_soc_component_get_drvdata(component);
- int bsel;
- unsigned int chan_sz;
- if (!tx_mask && !rx_mask && !slots && !slot_width)
- max98390->tdm_mode = false;
- else
- max98390->tdm_mode = true;
- dev_dbg(component->dev,
- "Tdm mode : %d\n", max98390->tdm_mode);
- /* BCLK configuration */
- bsel = max98390_get_bclk_sel(slots * slot_width);
- if (!bsel) {
- dev_err(component->dev, "BCLK %d not supported\n",
- slots * slot_width);
- return -EINVAL;
- }
- regmap_update_bits(max98390->regmap,
- MAX98390_PCM_CLK_SETUP,
- MAX98390_PCM_CLK_SETUP_BSEL_MASK,
- bsel);
- /* Channel size configuration */
- switch (slot_width) {
- case 16:
- chan_sz = MAX98390_PCM_MODE_CFG_CHANSZ_16;
- break;
- case 24:
- chan_sz = MAX98390_PCM_MODE_CFG_CHANSZ_24;
- break;
- case 32:
- chan_sz = MAX98390_PCM_MODE_CFG_CHANSZ_32;
- break;
- default:
- dev_err(component->dev, "format unsupported %d\n",
- slot_width);
- return -EINVAL;
- }
- regmap_update_bits(max98390->regmap,
- MAX98390_PCM_MODE_CFG,
- MAX98390_PCM_MODE_CFG_CHANSZ_MASK, chan_sz);
- /* Rx slot configuration */
- regmap_write(max98390->regmap,
- MAX98390_PCM_RX_EN_A,
- rx_mask & 0xFF);
- regmap_write(max98390->regmap,
- MAX98390_PCM_RX_EN_B,
- (rx_mask & 0xFF00) >> 8);
- /* Tx slot Hi-Z configuration */
- regmap_write(max98390->regmap,
- MAX98390_PCM_TX_HIZ_CTRL_A,
- ~tx_mask & 0xFF);
- regmap_write(max98390->regmap,
- MAX98390_PCM_TX_HIZ_CTRL_B,
- (~tx_mask & 0xFF00) >> 8);
- return 0;
- }
- static int max98390_dai_set_sysclk(struct snd_soc_dai *dai,
- int clk_id, unsigned int freq, int dir)
- {
- struct snd_soc_component *component = dai->component;
- struct max98390_priv *max98390 =
- snd_soc_component_get_drvdata(component);
- max98390->sysclk = freq;
- return 0;
- }
- static const struct snd_soc_dai_ops max98390_dai_ops = {
- .set_sysclk = max98390_dai_set_sysclk,
- .set_fmt = max98390_dai_set_fmt,
- .hw_params = max98390_dai_hw_params,
- .set_tdm_slot = max98390_dai_tdm_slot,
- };
- static int max98390_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 max98390_priv *max98390 =
- snd_soc_component_get_drvdata(component);
- switch (event) {
- case SND_SOC_DAPM_POST_PMU:
- regmap_update_bits(max98390->regmap,
- MAX98390_R203A_AMP_EN,
- MAX98390_AMP_EN_MASK, 1);
- regmap_update_bits(max98390->regmap,
- MAX98390_R23FF_GLOBAL_EN,
- MAX98390_GLOBAL_EN_MASK, 1);
- break;
- case SND_SOC_DAPM_POST_PMD:
- regmap_update_bits(max98390->regmap,
- MAX98390_R23FF_GLOBAL_EN,
- MAX98390_GLOBAL_EN_MASK, 0);
- regmap_update_bits(max98390->regmap,
- MAX98390_R203A_AMP_EN,
- MAX98390_AMP_EN_MASK, 0);
- break;
- }
- return 0;
- }
- static const char * const max98390_switch_text[] = {
- "Left", "Right", "LeftRight"};
- static const char * const max98390_boost_voltage_text[] = {
- "6.5V", "6.625V", "6.75V", "6.875V", "7V", "7.125V", "7.25V", "7.375V",
- "7.5V", "7.625V", "7.75V", "7.875V", "8V", "8.125V", "8.25V", "8.375V",
- "8.5V", "8.625V", "8.75V", "8.875V", "9V", "9.125V", "9.25V", "9.375V",
- "9.5V", "9.625V", "9.75V", "9.875V", "10V"
- };
- static SOC_ENUM_SINGLE_DECL(max98390_boost_voltage,
- MAX98390_BOOST_CTRL0, 0,
- max98390_boost_voltage_text);
- static DECLARE_TLV_DB_SCALE(max98390_spk_tlv, 300, 300, 0);
- static DECLARE_TLV_DB_SCALE(max98390_digital_tlv, -8000, 50, 0);
- static const char * const max98390_current_limit_text[] = {
- "0.00A", "0.50A", "1.00A", "1.05A", "1.10A", "1.15A", "1.20A", "1.25A",
- "1.30A", "1.35A", "1.40A", "1.45A", "1.50A", "1.55A", "1.60A", "1.65A",
- "1.70A", "1.75A", "1.80A", "1.85A", "1.90A", "1.95A", "2.00A", "2.05A",
- "2.10A", "2.15A", "2.20A", "2.25A", "2.30A", "2.35A", "2.40A", "2.45A",
- "2.50A", "2.55A", "2.60A", "2.65A", "2.70A", "2.75A", "2.80A", "2.85A",
- "2.90A", "2.95A", "3.00A", "3.05A", "3.10A", "3.15A", "3.20A", "3.25A",
- "3.30A", "3.35A", "3.40A", "3.45A", "3.50A", "3.55A", "3.60A", "3.65A",
- "3.70A", "3.75A", "3.80A", "3.85A", "3.90A", "3.95A", "4.00A", "4.05A",
- "4.10A"
- };
- static SOC_ENUM_SINGLE_DECL(max98390_current_limit,
- MAX98390_BOOST_CTRL1, 0,
- max98390_current_limit_text);
- static int max98390_ref_rdc_put(struct snd_kcontrol *kcontrol,
- struct snd_ctl_elem_value *ucontrol)
- {
- struct snd_soc_component *component =
- snd_soc_kcontrol_component(kcontrol);
- struct max98390_priv *max98390 =
- snd_soc_component_get_drvdata(component);
- max98390->ref_rdc_value = ucontrol->value.integer.value[0];
- regmap_write(max98390->regmap, DSM_TPROT_RECIP_RDC_ROOM_BYTE0,
- max98390->ref_rdc_value & 0x000000ff);
- regmap_write(max98390->regmap, DSM_TPROT_RECIP_RDC_ROOM_BYTE1,
- (max98390->ref_rdc_value >> 8) & 0x000000ff);
- regmap_write(max98390->regmap, DSM_TPROT_RECIP_RDC_ROOM_BYTE2,
- (max98390->ref_rdc_value >> 16) & 0x000000ff);
- return 0;
- }
- static int max98390_ref_rdc_get(struct snd_kcontrol *kcontrol,
- struct snd_ctl_elem_value *ucontrol)
- {
- struct snd_soc_component *component =
- snd_soc_kcontrol_component(kcontrol);
- struct max98390_priv *max98390 =
- snd_soc_component_get_drvdata(component);
- ucontrol->value.integer.value[0] = max98390->ref_rdc_value;
- return 0;
- }
- static int max98390_ambient_temp_put(struct snd_kcontrol *kcontrol,
- struct snd_ctl_elem_value *ucontrol)
- {
- struct snd_soc_component *component =
- snd_soc_kcontrol_component(kcontrol);
- struct max98390_priv *max98390 =
- snd_soc_component_get_drvdata(component);
- max98390->ambient_temp_value = ucontrol->value.integer.value[0];
- regmap_write(max98390->regmap, DSM_TPROT_ROOM_TEMPERATURE_BYTE1,
- (max98390->ambient_temp_value >> 8) & 0x000000ff);
- regmap_write(max98390->regmap, DSM_TPROT_ROOM_TEMPERATURE_BYTE0,
- (max98390->ambient_temp_value) & 0x000000ff);
- return 0;
- }
- static int max98390_ambient_temp_get(struct snd_kcontrol *kcontrol,
- struct snd_ctl_elem_value *ucontrol)
- {
- struct snd_soc_component *component =
- snd_soc_kcontrol_component(kcontrol);
- struct max98390_priv *max98390 =
- snd_soc_component_get_drvdata(component);
- ucontrol->value.integer.value[0] = max98390->ambient_temp_value;
- return 0;
- }
- static int max98390_adaptive_rdc_put(struct snd_kcontrol *kcontrol,
- struct snd_ctl_elem_value *ucontrol)
- {
- struct snd_soc_component *component =
- snd_soc_kcontrol_component(kcontrol);
- dev_warn(component->dev, "Put adaptive rdc not supported\n");
- return 0;
- }
- static int max98390_adaptive_rdc_get(struct snd_kcontrol *kcontrol,
- struct snd_ctl_elem_value *ucontrol)
- {
- int rdc, rdc0;
- struct snd_soc_component *component =
- snd_soc_kcontrol_component(kcontrol);
- struct max98390_priv *max98390 =
- snd_soc_component_get_drvdata(component);
- regmap_read(max98390->regmap, THERMAL_RDC_RD_BACK_BYTE1, &rdc);
- regmap_read(max98390->regmap, THERMAL_RDC_RD_BACK_BYTE0, &rdc0);
- ucontrol->value.integer.value[0] = rdc0 | rdc << 8;
- return 0;
- }
- static int max98390_dsm_calib_get(struct snd_kcontrol *kcontrol,
- struct snd_ctl_elem_value *ucontrol)
- {
- /* Do nothing */
- return 0;
- }
- static int max98390_dsm_calib_put(struct snd_kcontrol *kcontrol,
- struct snd_ctl_elem_value *ucontrol)
- {
- struct snd_soc_component *component =
- snd_soc_kcontrol_component(kcontrol);
- max98390_dsm_calibrate(component);
- return 0;
- }
- static const struct snd_kcontrol_new max98390_snd_controls[] = {
- SOC_SINGLE_TLV("Digital Volume", DSM_VOL_CTRL,
- 0, 184, 0,
- max98390_digital_tlv),
- SOC_SINGLE_TLV("Speaker Volume", MAX98390_R203D_SPK_GAIN,
- 0, 6, 0,
- max98390_spk_tlv),
- SOC_SINGLE("Ramp Up Bypass Switch", MAX98390_R2039_AMP_DSP_CFG,
- MAX98390_AMP_DSP_CFG_RMP_UP_SHIFT, 1, 0),
- SOC_SINGLE("Ramp Down Bypass Switch", MAX98390_R2039_AMP_DSP_CFG,
- MAX98390_AMP_DSP_CFG_RMP_DN_SHIFT, 1, 0),
- SOC_SINGLE("Boost Clock Phase", MAX98390_BOOST_CTRL3,
- MAX98390_BOOST_CLK_PHASE_CFG_SHIFT, 3, 0),
- SOC_ENUM("Boost Output Voltage", max98390_boost_voltage),
- SOC_ENUM("Current Limit", max98390_current_limit),
- SOC_SINGLE_EXT("DSM Rdc", SND_SOC_NOPM, 0, 0xffffff, 0,
- max98390_ref_rdc_get, max98390_ref_rdc_put),
- SOC_SINGLE_EXT("DSM Ambient Temp", SND_SOC_NOPM, 0, 0xffff, 0,
- max98390_ambient_temp_get, max98390_ambient_temp_put),
- SOC_SINGLE_EXT("DSM Adaptive Rdc", SND_SOC_NOPM, 0, 0xffff, 0,
- max98390_adaptive_rdc_get, max98390_adaptive_rdc_put),
- SOC_SINGLE_EXT("DSM Calibration", SND_SOC_NOPM, 0, 1, 0,
- max98390_dsm_calib_get, max98390_dsm_calib_put),
- };
- static const struct soc_enum dai_sel_enum =
- SOC_ENUM_SINGLE(MAX98390_PCM_CH_SRC_1,
- MAX98390_PCM_RX_CH_SRC_SHIFT,
- 3, max98390_switch_text);
- static const struct snd_kcontrol_new max98390_dai_controls =
- SOC_DAPM_ENUM("DAI Sel", dai_sel_enum);
- static const struct snd_soc_dapm_widget max98390_dapm_widgets[] = {
- SND_SOC_DAPM_DAC_E("Amp Enable", "HiFi Playback",
- SND_SOC_NOPM, 0, 0, max98390_dac_event,
- SND_SOC_DAPM_POST_PMU | SND_SOC_DAPM_POST_PMD),
- SND_SOC_DAPM_MUX("DAI Sel Mux", SND_SOC_NOPM, 0, 0,
- &max98390_dai_controls),
- SND_SOC_DAPM_OUTPUT("BE_OUT"),
- };
- static const struct snd_soc_dapm_route max98390_audio_map[] = {
- /* Plabyack */
- {"DAI Sel Mux", "Left", "Amp Enable"},
- {"DAI Sel Mux", "Right", "Amp Enable"},
- {"DAI Sel Mux", "LeftRight", "Amp Enable"},
- {"BE_OUT", NULL, "DAI Sel Mux"},
- };
- static bool max98390_readable_register(struct device *dev, unsigned int reg)
- {
- switch (reg) {
- case MAX98390_SOFTWARE_RESET ... MAX98390_INT_EN3:
- case MAX98390_IRQ_CTRL ... MAX98390_WDOG_CTRL:
- case MAX98390_MEAS_ADC_THERM_WARN_THRESH
- ... MAX98390_BROWNOUT_INFINITE_HOLD:
- case MAX98390_BROWNOUT_LVL_HOLD ... DSMIG_DEBUZZER_THRESHOLD:
- case DSM_VOL_ENA ... MAX98390_R24FF_REV_ID:
- return true;
- default:
- return false;
- }
- };
- static bool max98390_volatile_reg(struct device *dev, unsigned int reg)
- {
- switch (reg) {
- case MAX98390_SOFTWARE_RESET ... MAX98390_INT_EN3:
- case MAX98390_MEAS_ADC_CH0_READ ... MAX98390_MEAS_ADC_CH2_READ:
- case MAX98390_PWR_GATE_STATUS ... MAX98390_BROWNOUT_STATUS:
- case MAX98390_BROWNOUT_LOWEST_STATUS:
- case MAX98390_ENV_TRACK_BOOST_VOUT_READ:
- case DSM_STBASS_HPF_B0_BYTE0 ... DSM_DEBUZZER_ATTACK_TIME_BYTE2:
- case THERMAL_RDC_RD_BACK_BYTE1 ... DSMIG_DEBUZZER_THRESHOLD:
- case DSM_THERMAL_GAIN ... DSM_WBDRC_GAIN:
- return true;
- default:
- return false;
- }
- }
- #define MAX98390_RATES SNDRV_PCM_RATE_8000_48000
- #define MAX98390_FORMATS (SNDRV_PCM_FMTBIT_S16_LE | \
- SNDRV_PCM_FMTBIT_S24_LE | SNDRV_PCM_FMTBIT_S32_LE)
- static struct snd_soc_dai_driver max98390_dai[] = {
- {
- .name = "max98390-aif1",
- .playback = {
- .stream_name = "HiFi Playback",
- .channels_min = 1,
- .channels_max = 2,
- .rates = MAX98390_RATES,
- .formats = MAX98390_FORMATS,
- },
- .capture = {
- .stream_name = "HiFi Capture",
- .channels_min = 1,
- .channels_max = 2,
- .rates = MAX98390_RATES,
- .formats = MAX98390_FORMATS,
- },
- .ops = &max98390_dai_ops,
- }
- };
- static int max98390_dsm_init(struct snd_soc_component *component)
- {
- int ret;
- int param_size, param_start_addr;
- char filename[128];
- const char *vendor, *product;
- struct max98390_priv *max98390 =
- snd_soc_component_get_drvdata(component);
- const struct firmware *fw;
- char *dsm_param;
- vendor = dmi_get_system_info(DMI_SYS_VENDOR);
- product = dmi_get_system_info(DMI_PRODUCT_NAME);
- if (vendor && product) {
- snprintf(filename, sizeof(filename), "dsm_param_%s_%s.bin",
- vendor, product);
- } else {
- sprintf(filename, "dsm_param.bin");
- }
- ret = request_firmware(&fw, filename, component->dev);
- if (ret) {
- ret = request_firmware(&fw, "dsm_param.bin", component->dev);
- if (ret)
- goto err;
- }
- dev_dbg(component->dev,
- "max98390: param fw size %zd\n",
- fw->size);
- if (fw->size < MAX98390_DSM_PARAM_MIN_SIZE) {
- dev_err(component->dev,
- "param fw is invalid.\n");
- ret = -EINVAL;
- goto err_alloc;
- }
- dsm_param = (char *)fw->data;
- param_start_addr = (dsm_param[0] & 0xff) | (dsm_param[1] & 0xff) << 8;
- param_size = (dsm_param[2] & 0xff) | (dsm_param[3] & 0xff) << 8;
- if (param_size > MAX98390_DSM_PARAM_MAX_SIZE ||
- param_start_addr < MAX98390_IRQ_CTRL ||
- fw->size < param_size + MAX98390_DSM_PAYLOAD_OFFSET) {
- dev_err(component->dev,
- "param fw is invalid.\n");
- ret = -EINVAL;
- goto err_alloc;
- }
- regmap_write(max98390->regmap, MAX98390_R203A_AMP_EN, 0x80);
- dsm_param += MAX98390_DSM_PAYLOAD_OFFSET;
- regmap_bulk_write(max98390->regmap, param_start_addr,
- dsm_param, param_size);
- regmap_write(max98390->regmap, MAX98390_R23E1_DSP_GLOBAL_EN, 0x01);
- err_alloc:
- release_firmware(fw);
- err:
- return ret;
- }
- static int max98390_dsm_calibrate(struct snd_soc_component *component)
- {
- unsigned int rdc, rdc_cal_result, temp;
- unsigned int rdc_integer, rdc_factor;
- struct max98390_priv *max98390 =
- snd_soc_component_get_drvdata(component);
- regmap_write(max98390->regmap, MAX98390_R203A_AMP_EN, 0x81);
- regmap_write(max98390->regmap, MAX98390_R23FF_GLOBAL_EN, 0x01);
- regmap_read(max98390->regmap,
- THERMAL_RDC_RD_BACK_BYTE1, &rdc);
- regmap_read(max98390->regmap,
- THERMAL_RDC_RD_BACK_BYTE0, &rdc_cal_result);
- rdc_cal_result |= (rdc << 8) & 0x0000FFFF;
- if (rdc_cal_result)
- max98390->ref_rdc_value = 268435456U / rdc_cal_result;
- regmap_read(max98390->regmap, MAX98390_MEAS_ADC_CH2_READ, &temp);
- max98390->ambient_temp_value = temp * 52 - 1188;
- rdc_integer = rdc_cal_result * 937 / 65536;
- rdc_factor = ((rdc_cal_result * 937 * 100) / 65536)
- - (rdc_integer * 100);
- dev_info(component->dev, "rdc resistance about %d.%02d ohm, reg=0x%X temp reg=0x%X\n",
- rdc_integer, rdc_factor, rdc_cal_result, temp);
- regmap_write(max98390->regmap, MAX98390_R23FF_GLOBAL_EN, 0x00);
- regmap_write(max98390->regmap, MAX98390_R203A_AMP_EN, 0x80);
- return 0;
- }
- static void max98390_init_regs(struct snd_soc_component *component)
- {
- struct max98390_priv *max98390 =
- snd_soc_component_get_drvdata(component);
- regmap_write(max98390->regmap, MAX98390_CLK_MON, 0x6f);
- regmap_write(max98390->regmap, MAX98390_DAT_MON, 0x00);
- regmap_write(max98390->regmap, MAX98390_PWR_GATE_CTL, 0x00);
- regmap_write(max98390->regmap, MAX98390_PCM_RX_EN_A, 0x03);
- regmap_write(max98390->regmap, MAX98390_ENV_TRACK_VOUT_HEADROOM, 0x0e);
- regmap_write(max98390->regmap, MAX98390_BOOST_BYPASS1, 0x46);
- regmap_write(max98390->regmap, MAX98390_FET_SCALING3, 0x03);
- }
- static int max98390_probe(struct snd_soc_component *component)
- {
- struct max98390_priv *max98390 =
- snd_soc_component_get_drvdata(component);
- regmap_write(max98390->regmap, MAX98390_SOFTWARE_RESET, 0x01);
- /* Sleep reset settle time */
- msleep(20);
- /* Amp init setting */
- max98390_init_regs(component);
- /* Update dsm bin param */
- max98390_dsm_init(component);
- /* Dsm Setting */
- if (max98390->ref_rdc_value) {
- regmap_write(max98390->regmap, DSM_TPROT_RECIP_RDC_ROOM_BYTE0,
- max98390->ref_rdc_value & 0x000000ff);
- regmap_write(max98390->regmap, DSM_TPROT_RECIP_RDC_ROOM_BYTE1,
- (max98390->ref_rdc_value >> 8) & 0x000000ff);
- regmap_write(max98390->regmap, DSM_TPROT_RECIP_RDC_ROOM_BYTE2,
- (max98390->ref_rdc_value >> 16) & 0x000000ff);
- }
- if (max98390->ambient_temp_value) {
- regmap_write(max98390->regmap, DSM_TPROT_ROOM_TEMPERATURE_BYTE1,
- (max98390->ambient_temp_value >> 8) & 0x000000ff);
- regmap_write(max98390->regmap, DSM_TPROT_ROOM_TEMPERATURE_BYTE0,
- (max98390->ambient_temp_value) & 0x000000ff);
- }
- return 0;
- }
- #ifdef CONFIG_PM_SLEEP
- static int max98390_suspend(struct device *dev)
- {
- struct max98390_priv *max98390 = dev_get_drvdata(dev);
- dev_dbg(dev, "%s:Enter\n", __func__);
- regcache_cache_only(max98390->regmap, true);
- regcache_mark_dirty(max98390->regmap);
- return 0;
- }
- static int max98390_resume(struct device *dev)
- {
- struct max98390_priv *max98390 = dev_get_drvdata(dev);
- dev_dbg(dev, "%s:Enter\n", __func__);
- regcache_cache_only(max98390->regmap, false);
- regcache_sync(max98390->regmap);
- return 0;
- }
- #endif
- static const struct dev_pm_ops max98390_pm = {
- SET_SYSTEM_SLEEP_PM_OPS(max98390_suspend, max98390_resume)
- };
- static const struct snd_soc_component_driver soc_codec_dev_max98390 = {
- .probe = max98390_probe,
- .controls = max98390_snd_controls,
- .num_controls = ARRAY_SIZE(max98390_snd_controls),
- .dapm_widgets = max98390_dapm_widgets,
- .num_dapm_widgets = ARRAY_SIZE(max98390_dapm_widgets),
- .dapm_routes = max98390_audio_map,
- .num_dapm_routes = ARRAY_SIZE(max98390_audio_map),
- .idle_bias_on = 1,
- .use_pmdown_time = 1,
- .endianness = 1,
- .non_legacy_dai_naming = 1,
- };
- static const struct regmap_config max98390_regmap = {
- .reg_bits = 16,
- .val_bits = 8,
- .max_register = MAX98390_R24FF_REV_ID,
- .reg_defaults = max98390_reg_defaults,
- .num_reg_defaults = ARRAY_SIZE(max98390_reg_defaults),
- .readable_reg = max98390_readable_register,
- .volatile_reg = max98390_volatile_reg,
- .cache_type = REGCACHE_RBTREE,
- };
- static int max98390_i2c_probe(struct i2c_client *i2c,
- const struct i2c_device_id *id)
- {
- int ret = 0;
- int reg = 0;
- struct max98390_priv *max98390 = NULL;
- struct i2c_adapter *adapter = to_i2c_adapter(i2c->dev.parent);
- ret = i2c_check_functionality(adapter,
- I2C_FUNC_SMBUS_BYTE
- | I2C_FUNC_SMBUS_BYTE_DATA);
- if (!ret) {
- dev_err(&i2c->dev, "I2C check functionality failed\n");
- return -ENXIO;
- }
- max98390 = devm_kzalloc(&i2c->dev, sizeof(*max98390), GFP_KERNEL);
- if (!max98390) {
- ret = -ENOMEM;
- return ret;
- }
- i2c_set_clientdata(i2c, max98390);
- ret = device_property_read_u32(&i2c->dev, "maxim,temperature_calib",
- &max98390->ambient_temp_value);
- if (ret) {
- dev_info(&i2c->dev,
- "no optional property 'temperature_calib' found, default:\n");
- }
- ret = device_property_read_u32(&i2c->dev, "maxim,r0_calib",
- &max98390->ref_rdc_value);
- if (ret) {
- dev_info(&i2c->dev,
- "no optional property 'r0_calib' found, default:\n");
- }
- dev_info(&i2c->dev,
- "%s: r0_calib: 0x%x,temperature_calib: 0x%x",
- __func__, max98390->ref_rdc_value,
- max98390->ambient_temp_value);
- /* regmap initialization */
- max98390->regmap = devm_regmap_init_i2c(i2c, &max98390_regmap);
- if (IS_ERR(max98390->regmap)) {
- ret = PTR_ERR(max98390->regmap);
- dev_err(&i2c->dev,
- "Failed to allocate regmap: %d\n", ret);
- return ret;
- }
- /* Check Revision ID */
- ret = regmap_read(max98390->regmap,
- MAX98390_R24FF_REV_ID, ®);
- if (ret) {
- dev_err(&i2c->dev,
- "ret=%d, Failed to read: 0x%02X\n",
- ret, MAX98390_R24FF_REV_ID);
- return ret;
- }
- dev_info(&i2c->dev, "MAX98390 revisionID: 0x%02X\n", reg);
- ret = devm_snd_soc_register_component(&i2c->dev,
- &soc_codec_dev_max98390,
- max98390_dai, ARRAY_SIZE(max98390_dai));
- return ret;
- }
- static const struct i2c_device_id max98390_i2c_id[] = {
- { "max98390", 0},
- {},
- };
- MODULE_DEVICE_TABLE(i2c, max98390_i2c_id);
- #if defined(CONFIG_OF)
- static const struct of_device_id max98390_of_match[] = {
- { .compatible = "maxim,max98390", },
- {}
- };
- MODULE_DEVICE_TABLE(of, max98390_of_match);
- #endif
- #ifdef CONFIG_ACPI
- static const struct acpi_device_id max98390_acpi_match[] = {
- { "MX98390", 0 },
- {},
- };
- MODULE_DEVICE_TABLE(acpi, max98390_acpi_match);
- #endif
- static struct i2c_driver max98390_i2c_driver = {
- .driver = {
- .name = "max98390",
- .of_match_table = of_match_ptr(max98390_of_match),
- .acpi_match_table = ACPI_PTR(max98390_acpi_match),
- .pm = &max98390_pm,
- },
- .probe = max98390_i2c_probe,
- .id_table = max98390_i2c_id,
- };
- module_i2c_driver(max98390_i2c_driver)
- MODULE_DESCRIPTION("ALSA SoC MAX98390 driver");
- MODULE_AUTHOR("Steve Lee <steves.lee@maximintegrated.com>");
- MODULE_LICENSE("GPL");
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