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-rw-r--r--sound/soc/codecs/max98373.c506
1 files changed, 506 insertions, 0 deletions
diff --git a/sound/soc/codecs/max98373.c b/sound/soc/codecs/max98373.c
new file mode 100644
index 0000000000..fde055c6c8
--- /dev/null
+++ b/sound/soc/codecs/max98373.c
@@ -0,0 +1,506 @@
+// SPDX-License-Identifier: GPL-2.0
+// Copyright (c) 2017, Maxim Integrated
+
+#include <linux/acpi.h>
+#include <linux/delay.h>
+#include <linux/i2c.h>
+#include <linux/module.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 <linux/gpio.h>
+#include <linux/of.h>
+#include <linux/of_gpio.h>
+#include <sound/tlv.h>
+#include "max98373.h"
+
+static int max98373_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 max98373_priv *max98373 = snd_soc_component_get_drvdata(component);
+
+ switch (event) {
+ case SND_SOC_DAPM_POST_PMU:
+ regmap_update_bits(max98373->regmap,
+ MAX98373_R20FF_GLOBAL_SHDN,
+ MAX98373_GLOBAL_EN_MASK, 1);
+ usleep_range(30000, 31000);
+ break;
+ case SND_SOC_DAPM_PRE_PMD:
+ regmap_update_bits(max98373->regmap,
+ MAX98373_R20FF_GLOBAL_SHDN,
+ MAX98373_GLOBAL_EN_MASK, 0);
+ usleep_range(30000, 31000);
+ max98373->tdm_mode = false;
+ break;
+ default:
+ return 0;
+ }
+ return 0;
+}
+
+static const char * const max98373_switch_text[] = {
+ "Left", "Right", "LeftRight"};
+
+static const struct soc_enum dai_sel_enum =
+ SOC_ENUM_SINGLE(MAX98373_R2029_PCM_TO_SPK_MONO_MIX_1,
+ MAX98373_PCM_TO_SPK_MONOMIX_CFG_SHIFT,
+ 3, max98373_switch_text);
+
+static const struct snd_kcontrol_new max98373_dai_controls =
+ SOC_DAPM_ENUM("DAI Sel", dai_sel_enum);
+
+static const struct snd_kcontrol_new max98373_vi_control =
+ SOC_DAPM_SINGLE("Switch", MAX98373_R202C_PCM_TX_EN, 0, 1, 0);
+
+static const struct snd_kcontrol_new max98373_spkfb_control =
+ SOC_DAPM_SINGLE("Switch", MAX98373_R2043_AMP_EN, 1, 1, 0);
+
+static const struct snd_soc_dapm_widget max98373_dapm_widgets[] = {
+SND_SOC_DAPM_DAC_E("Amp Enable", "HiFi Playback",
+ MAX98373_R202B_PCM_RX_EN, 0, 0, max98373_dac_event,
+ SND_SOC_DAPM_POST_PMU | SND_SOC_DAPM_PRE_PMD),
+SND_SOC_DAPM_MUX("DAI Sel Mux", SND_SOC_NOPM, 0, 0,
+ &max98373_dai_controls),
+SND_SOC_DAPM_OUTPUT("BE_OUT"),
+SND_SOC_DAPM_AIF_OUT("Voltage Sense", "HiFi Capture", 0,
+ MAX98373_R2047_IV_SENSE_ADC_EN, 0, 0),
+SND_SOC_DAPM_AIF_OUT("Current Sense", "HiFi Capture", 0,
+ MAX98373_R2047_IV_SENSE_ADC_EN, 1, 0),
+SND_SOC_DAPM_AIF_OUT("Speaker FB Sense", "HiFi Capture", 0,
+ SND_SOC_NOPM, 0, 0),
+SND_SOC_DAPM_SWITCH("VI Sense", SND_SOC_NOPM, 0, 0,
+ &max98373_vi_control),
+SND_SOC_DAPM_SWITCH("SpkFB Sense", SND_SOC_NOPM, 0, 0,
+ &max98373_spkfb_control),
+SND_SOC_DAPM_SIGGEN("VMON"),
+SND_SOC_DAPM_SIGGEN("IMON"),
+SND_SOC_DAPM_SIGGEN("FBMON"),
+};
+
+static DECLARE_TLV_DB_SCALE(max98373_digital_tlv, -6350, 50, 1);
+static const DECLARE_TLV_DB_RANGE(max98373_spk_tlv,
+ 0, 8, TLV_DB_SCALE_ITEM(0, 50, 0),
+ 9, 10, TLV_DB_SCALE_ITEM(500, 100, 0),
+);
+static const DECLARE_TLV_DB_RANGE(max98373_spkgain_max_tlv,
+ 0, 9, TLV_DB_SCALE_ITEM(800, 100, 0),
+);
+static const DECLARE_TLV_DB_RANGE(max98373_dht_step_size_tlv,
+ 0, 1, TLV_DB_SCALE_ITEM(25, 25, 0),
+ 2, 4, TLV_DB_SCALE_ITEM(100, 100, 0),
+);
+static const DECLARE_TLV_DB_RANGE(max98373_dht_spkgain_min_tlv,
+ 0, 9, TLV_DB_SCALE_ITEM(800, 100, 0),
+);
+static const DECLARE_TLV_DB_RANGE(max98373_dht_rotation_point_tlv,
+ 0, 1, TLV_DB_SCALE_ITEM(-3000, 500, 0),
+ 2, 4, TLV_DB_SCALE_ITEM(-2200, 200, 0),
+ 5, 6, TLV_DB_SCALE_ITEM(-1500, 300, 0),
+ 7, 9, TLV_DB_SCALE_ITEM(-1000, 200, 0),
+ 10, 13, TLV_DB_SCALE_ITEM(-500, 100, 0),
+ 14, 15, TLV_DB_SCALE_ITEM(-100, 50, 0),
+);
+static const DECLARE_TLV_DB_RANGE(max98373_limiter_thresh_tlv,
+ 0, 15, TLV_DB_SCALE_ITEM(-1500, 100, 0),
+);
+
+static const DECLARE_TLV_DB_RANGE(max98373_bde_gain_tlv,
+ 0, 60, TLV_DB_SCALE_ITEM(-1500, 25, 0),
+);
+
+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"
+};
+
+static SOC_ENUM_SINGLE_DECL(max98373_out_volt_enum,
+ MAX98373_R203E_AMP_PATH_GAIN, 0,
+ max98373_output_voltage_lvl_text);
+
+static const char * const max98373_dht_attack_rate_text[] = {
+ "17.5us", "35us", "70us", "140us",
+ "280us", "560us", "1120us", "2240us"
+};
+
+static SOC_ENUM_SINGLE_DECL(max98373_dht_attack_rate_enum,
+ MAX98373_R20D2_DHT_ATTACK_CFG, 0,
+ max98373_dht_attack_rate_text);
+
+static const char * const max98373_dht_release_rate_text[] = {
+ "45ms", "225ms", "450ms", "1150ms",
+ "2250ms", "3100ms", "4500ms", "6750ms"
+};
+
+static SOC_ENUM_SINGLE_DECL(max98373_dht_release_rate_enum,
+ MAX98373_R20D3_DHT_RELEASE_CFG, 0,
+ max98373_dht_release_rate_text);
+
+static const char * const max98373_limiter_attack_rate_text[] = {
+ "10us", "20us", "40us", "80us",
+ "160us", "320us", "640us", "1.28ms",
+ "2.56ms", "5.12ms", "10.24ms", "20.48ms",
+ "40.96ms", "81.92ms", "16.384ms", "32.768ms"
+};
+
+static SOC_ENUM_SINGLE_DECL(max98373_limiter_attack_rate_enum,
+ MAX98373_R20E1_LIMITER_ATK_REL_RATES, 4,
+ max98373_limiter_attack_rate_text);
+
+static const char * const max98373_limiter_release_rate_text[] = {
+ "40us", "80us", "160us", "320us",
+ "640us", "1.28ms", "2.56ms", "5.120ms",
+ "10.24ms", "20.48ms", "40.96ms", "81.92ms",
+ "163.84ms", "327.68ms", "655.36ms", "1310.72ms"
+};
+
+static SOC_ENUM_SINGLE_DECL(max98373_limiter_release_rate_enum,
+ MAX98373_R20E1_LIMITER_ATK_REL_RATES, 0,
+ max98373_limiter_release_rate_text);
+
+static const char * const max98373_ADC_samplerate_text[] = {
+ "333kHz", "192kHz", "64kHz", "48kHz"
+};
+
+static SOC_ENUM_SINGLE_DECL(max98373_adc_samplerate_enum,
+ MAX98373_R2051_MEAS_ADC_SAMPLING_RATE, 0,
+ max98373_ADC_samplerate_text);
+
+static int max98373_feedback_get(struct snd_kcontrol *kcontrol,
+ struct snd_ctl_elem_value *ucontrol)
+{
+ struct snd_soc_component *component = snd_kcontrol_chip(kcontrol);
+ struct soc_mixer_control *mc =
+ (struct soc_mixer_control *)kcontrol->private_value;
+ struct max98373_priv *max98373 = snd_soc_component_get_drvdata(component);
+ int i;
+
+ if (snd_soc_component_get_bias_level(component) == SND_SOC_BIAS_OFF) {
+ /*
+ * Register values will be cached before suspend. The cached value
+ * will be a valid value and userspace will happy with that.
+ */
+ for (i = 0; i < max98373->cache_num; i++) {
+ if (mc->reg == max98373->cache[i].reg) {
+ ucontrol->value.integer.value[0] = max98373->cache[i].val;
+ return 0;
+ }
+ }
+ }
+
+ return snd_soc_get_volsw(kcontrol, ucontrol);
+}
+
+static const struct snd_kcontrol_new max98373_snd_controls[] = {
+SOC_SINGLE("Digital Vol Sel Switch", MAX98373_R203F_AMP_DSP_CFG,
+ MAX98373_AMP_VOL_SEL_SHIFT, 1, 0),
+SOC_SINGLE("Volume Location Switch", MAX98373_R203F_AMP_DSP_CFG,
+ MAX98373_AMP_VOL_SEL_SHIFT, 1, 0),
+SOC_SINGLE("Ramp Up Switch", MAX98373_R203F_AMP_DSP_CFG,
+ MAX98373_AMP_DSP_CFG_RMP_UP_SHIFT, 1, 0),
+SOC_SINGLE("Ramp Down Switch", MAX98373_R203F_AMP_DSP_CFG,
+ MAX98373_AMP_DSP_CFG_RMP_DN_SHIFT, 1, 0),
+/* Speaker Amplifier Overcurrent Automatic Restart Enable */
+SOC_SINGLE("OVC Autorestart Switch", MAX98373_R20FE_DEVICE_AUTO_RESTART_CFG,
+ MAX98373_OVC_AUTORESTART_SHIFT, 1, 0),
+/* Thermal Shutdown Automatic Restart Enable */
+SOC_SINGLE("THERM Autorestart Switch", MAX98373_R20FE_DEVICE_AUTO_RESTART_CFG,
+ MAX98373_THERM_AUTORESTART_SHIFT, 1, 0),
+/* Clock Monitor Automatic Restart Enable */
+SOC_SINGLE("CMON Autorestart Switch", MAX98373_R20FE_DEVICE_AUTO_RESTART_CFG,
+ MAX98373_CMON_AUTORESTART_SHIFT, 1, 0),
+SOC_SINGLE("CLK Monitor Switch", MAX98373_R20FE_DEVICE_AUTO_RESTART_CFG,
+ MAX98373_CLOCK_MON_SHIFT, 1, 0),
+SOC_SINGLE("Dither Switch", MAX98373_R203F_AMP_DSP_CFG,
+ MAX98373_AMP_DSP_CFG_DITH_SHIFT, 1, 0),
+SOC_SINGLE("DC Blocker Switch", MAX98373_R203F_AMP_DSP_CFG,
+ MAX98373_AMP_DSP_CFG_DCBLK_SHIFT, 1, 0),
+SOC_SINGLE_TLV("Digital Volume", MAX98373_R203D_AMP_DIG_VOL_CTRL,
+ 0, 0x7F, 1, max98373_digital_tlv),
+SOC_SINGLE_TLV("Speaker Volume", MAX98373_R203E_AMP_PATH_GAIN,
+ MAX98373_SPK_DIGI_GAIN_SHIFT, 10, 0, max98373_spk_tlv),
+SOC_SINGLE_TLV("FS Max Volume", MAX98373_R203E_AMP_PATH_GAIN,
+ MAX98373_FS_GAIN_MAX_SHIFT, 9, 0, max98373_spkgain_max_tlv),
+SOC_ENUM("Output Voltage", max98373_out_volt_enum),
+/* Dynamic Headroom Tracking */
+SOC_SINGLE("DHT Switch", MAX98373_R20D4_DHT_EN,
+ MAX98373_DHT_EN_SHIFT, 1, 0),
+SOC_SINGLE_TLV("DHT Min Volume", MAX98373_R20D1_DHT_CFG,
+ MAX98373_DHT_SPK_GAIN_MIN_SHIFT, 9, 0, max98373_dht_spkgain_min_tlv),
+SOC_SINGLE_TLV("DHT Rot Pnt Volume", MAX98373_R20D1_DHT_CFG,
+ MAX98373_DHT_ROT_PNT_SHIFT, 15, 1, max98373_dht_rotation_point_tlv),
+SOC_SINGLE_TLV("DHT Attack Step Volume", MAX98373_R20D2_DHT_ATTACK_CFG,
+ MAX98373_DHT_ATTACK_STEP_SHIFT, 4, 0, max98373_dht_step_size_tlv),
+SOC_SINGLE_TLV("DHT Release Step Volume", MAX98373_R20D3_DHT_RELEASE_CFG,
+ MAX98373_DHT_RELEASE_STEP_SHIFT, 4, 0, max98373_dht_step_size_tlv),
+SOC_ENUM("DHT Attack Rate", max98373_dht_attack_rate_enum),
+SOC_ENUM("DHT Release Rate", max98373_dht_release_rate_enum),
+/* ADC configuration */
+SOC_SINGLE("ADC PVDD CH Switch", MAX98373_R2056_MEAS_ADC_PVDD_CH_EN, 0, 1, 0),
+SOC_SINGLE("ADC PVDD FLT Switch", MAX98373_R2052_MEAS_ADC_PVDD_FLT_CFG,
+ MAX98373_FLT_EN_SHIFT, 1, 0),
+SOC_SINGLE("ADC TEMP FLT Switch", MAX98373_R2053_MEAS_ADC_THERM_FLT_CFG,
+ MAX98373_FLT_EN_SHIFT, 1, 0),
+SOC_SINGLE_EXT("ADC PVDD", MAX98373_R2054_MEAS_ADC_PVDD_CH_READBACK, 0, 0xFF, 0,
+ max98373_feedback_get, NULL),
+SOC_SINGLE_EXT("ADC TEMP", MAX98373_R2055_MEAS_ADC_THERM_CH_READBACK, 0, 0xFF, 0,
+ max98373_feedback_get, NULL),
+SOC_SINGLE("ADC PVDD FLT Coeff", MAX98373_R2052_MEAS_ADC_PVDD_FLT_CFG,
+ 0, 0x3, 0),
+SOC_SINGLE("ADC TEMP FLT Coeff", MAX98373_R2053_MEAS_ADC_THERM_FLT_CFG,
+ 0, 0x3, 0),
+SOC_ENUM("ADC SampleRate", max98373_adc_samplerate_enum),
+/* Brownout Detection Engine */
+SOC_SINGLE("BDE Switch", MAX98373_R20B5_BDE_EN, MAX98373_BDE_EN_SHIFT, 1, 0),
+SOC_SINGLE("BDE LVL4 Mute Switch", MAX98373_R20B2_BDE_L4_CFG_2,
+ MAX98373_LVL4_MUTE_EN_SHIFT, 1, 0),
+SOC_SINGLE("BDE LVL4 Hold Switch", MAX98373_R20B2_BDE_L4_CFG_2,
+ MAX98373_LVL4_HOLD_EN_SHIFT, 1, 0),
+SOC_SINGLE("BDE LVL1 Thresh", MAX98373_R2097_BDE_L1_THRESH, 0, 0xFF, 0),
+SOC_SINGLE("BDE LVL2 Thresh", MAX98373_R2098_BDE_L2_THRESH, 0, 0xFF, 0),
+SOC_SINGLE("BDE LVL3 Thresh", MAX98373_R2099_BDE_L3_THRESH, 0, 0xFF, 0),
+SOC_SINGLE("BDE LVL4 Thresh", MAX98373_R209A_BDE_L4_THRESH, 0, 0xFF, 0),
+SOC_SINGLE_EXT("BDE Active Level", MAX98373_R20B6_BDE_CUR_STATE_READBACK, 0, 8, 0,
+ max98373_feedback_get, NULL),
+SOC_SINGLE("BDE Clip Mode Switch", MAX98373_R2092_BDE_CLIPPER_MODE, 0, 1, 0),
+SOC_SINGLE("BDE Thresh Hysteresis", MAX98373_R209B_BDE_THRESH_HYST, 0, 0xFF, 0),
+SOC_SINGLE("BDE Hold Time", MAX98373_R2090_BDE_LVL_HOLD, 0, 0xFF, 0),
+SOC_SINGLE("BDE Attack Rate", MAX98373_R2091_BDE_GAIN_ATK_REL_RATE, 4, 0xF, 0),
+SOC_SINGLE("BDE Release Rate", MAX98373_R2091_BDE_GAIN_ATK_REL_RATE, 0, 0xF, 0),
+SOC_SINGLE_TLV("BDE LVL1 Clip Thresh Volume", MAX98373_R20A9_BDE_L1_CFG_2,
+ 0, 0x3C, 1, max98373_bde_gain_tlv),
+SOC_SINGLE_TLV("BDE LVL2 Clip Thresh Volume", MAX98373_R20AC_BDE_L2_CFG_2,
+ 0, 0x3C, 1, max98373_bde_gain_tlv),
+SOC_SINGLE_TLV("BDE LVL3 Clip Thresh Volume", MAX98373_R20AF_BDE_L3_CFG_2,
+ 0, 0x3C, 1, max98373_bde_gain_tlv),
+SOC_SINGLE_TLV("BDE LVL4 Clip Thresh Volume", MAX98373_R20B2_BDE_L4_CFG_2,
+ 0, 0x3C, 1, max98373_bde_gain_tlv),
+SOC_SINGLE_TLV("BDE LVL1 Clip Reduction Volume", MAX98373_R20AA_BDE_L1_CFG_3,
+ 0, 0x3C, 1, max98373_bde_gain_tlv),
+SOC_SINGLE_TLV("BDE LVL2 Clip Reduction Volume", MAX98373_R20AD_BDE_L2_CFG_3,
+ 0, 0x3C, 1, max98373_bde_gain_tlv),
+SOC_SINGLE_TLV("BDE LVL3 Clip Reduction Volume", MAX98373_R20B0_BDE_L3_CFG_3,
+ 0, 0x3C, 1, max98373_bde_gain_tlv),
+SOC_SINGLE_TLV("BDE LVL4 Clip Reduction Volume", MAX98373_R20B3_BDE_L4_CFG_3,
+ 0, 0x3C, 1, max98373_bde_gain_tlv),
+SOC_SINGLE_TLV("BDE LVL1 Limiter Thresh Volume", MAX98373_R20A8_BDE_L1_CFG_1,
+ 0, 0xF, 1, max98373_limiter_thresh_tlv),
+SOC_SINGLE_TLV("BDE LVL2 Limiter Thresh Volume", MAX98373_R20AB_BDE_L2_CFG_1,
+ 0, 0xF, 1, max98373_limiter_thresh_tlv),
+SOC_SINGLE_TLV("BDE LVL3 Limiter Thresh Volume", MAX98373_R20AE_BDE_L3_CFG_1,
+ 0, 0xF, 1, max98373_limiter_thresh_tlv),
+SOC_SINGLE_TLV("BDE LVL4 Limiter Thresh Volume", MAX98373_R20B1_BDE_L4_CFG_1,
+ 0, 0xF, 1, max98373_limiter_thresh_tlv),
+/* Limiter */
+SOC_SINGLE("Limiter Switch", MAX98373_R20E2_LIMITER_EN,
+ MAX98373_LIMITER_EN_SHIFT, 1, 0),
+SOC_SINGLE("Limiter Src Switch", MAX98373_R20E0_LIMITER_THRESH_CFG,
+ MAX98373_LIMITER_THRESH_SRC_SHIFT, 1, 0),
+SOC_SINGLE_TLV("Limiter Thresh Volume", MAX98373_R20E0_LIMITER_THRESH_CFG,
+ MAX98373_LIMITER_THRESH_SHIFT, 15, 0, max98373_limiter_thresh_tlv),
+SOC_ENUM("Limiter Attack Rate", max98373_limiter_attack_rate_enum),
+SOC_ENUM("Limiter Release Rate", max98373_limiter_release_rate_enum),
+};
+
+static const struct snd_soc_dapm_route max98373_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"},
+ /* Capture */
+ { "VI Sense", "Switch", "VMON" },
+ { "VI Sense", "Switch", "IMON" },
+ { "SpkFB Sense", "Switch", "FBMON" },
+ { "Voltage Sense", NULL, "VI Sense" },
+ { "Current Sense", NULL, "VI Sense" },
+ { "Speaker FB Sense", NULL, "SpkFB Sense" },
+};
+
+void max98373_reset(struct max98373_priv *max98373, struct device *dev)
+{
+ int ret, reg, count;
+
+ /* Software Reset */
+ ret = regmap_update_bits(max98373->regmap,
+ MAX98373_R2000_SW_RESET,
+ MAX98373_SOFT_RESET,
+ MAX98373_SOFT_RESET);
+ if (ret)
+ dev_err(dev, "Reset command failed. (ret:%d)\n", ret);
+
+ count = 0;
+ while (count < 3) {
+ usleep_range(10000, 11000);
+ /* Software Reset Verification */
+ ret = regmap_read(max98373->regmap,
+ MAX98373_R21FF_REV_ID, &reg);
+ if (!ret) {
+ dev_info(dev, "Reset completed (retry:%d)\n", count);
+ return;
+ }
+ count++;
+ }
+ dev_err(dev, "Reset failed. (ret:%d)\n", ret);
+}
+EXPORT_SYMBOL_GPL(max98373_reset);
+
+static int max98373_probe(struct snd_soc_component *component)
+{
+ struct max98373_priv *max98373 = snd_soc_component_get_drvdata(component);
+
+ /* Software Reset */
+ max98373_reset(max98373, component->dev);
+
+ /* IV default slot configuration */
+ regmap_write(max98373->regmap,
+ MAX98373_R2020_PCM_TX_HIZ_EN_1,
+ 0xFF);
+ regmap_write(max98373->regmap,
+ MAX98373_R2021_PCM_TX_HIZ_EN_2,
+ 0xFF);
+ /* L/R mix configuration */
+ regmap_write(max98373->regmap,
+ MAX98373_R2029_PCM_TO_SPK_MONO_MIX_1,
+ 0x80);
+ regmap_write(max98373->regmap,
+ MAX98373_R202A_PCM_TO_SPK_MONO_MIX_2,
+ 0x1);
+ /* Enable DC blocker */
+ regmap_write(max98373->regmap,
+ MAX98373_R203F_AMP_DSP_CFG,
+ 0x3);
+ /* Enable IMON VMON DC blocker */
+ regmap_write(max98373->regmap,
+ MAX98373_R2046_IV_SENSE_ADC_DSP_CFG,
+ 0x7);
+ /* voltage, current slot configuration */
+ regmap_write(max98373->regmap,
+ MAX98373_R2022_PCM_TX_SRC_1,
+ (max98373->i_slot << MAX98373_PCM_TX_CH_SRC_A_I_SHIFT |
+ max98373->v_slot) & 0xFF);
+ if (max98373->v_slot < 8)
+ regmap_update_bits(max98373->regmap,
+ MAX98373_R2020_PCM_TX_HIZ_EN_1,
+ 1 << max98373->v_slot, 0);
+ else
+ regmap_update_bits(max98373->regmap,
+ MAX98373_R2021_PCM_TX_HIZ_EN_2,
+ 1 << (max98373->v_slot - 8), 0);
+
+ if (max98373->i_slot < 8)
+ regmap_update_bits(max98373->regmap,
+ MAX98373_R2020_PCM_TX_HIZ_EN_1,
+ 1 << max98373->i_slot, 0);
+ else
+ regmap_update_bits(max98373->regmap,
+ MAX98373_R2021_PCM_TX_HIZ_EN_2,
+ 1 << (max98373->i_slot - 8), 0);
+
+ /* enable auto restart function by default */
+ regmap_write(max98373->regmap,
+ MAX98373_R20FE_DEVICE_AUTO_RESTART_CFG,
+ 0xF);
+
+ /* speaker feedback slot configuration */
+ regmap_write(max98373->regmap,
+ MAX98373_R2023_PCM_TX_SRC_2,
+ max98373->spkfb_slot & 0xFF);
+
+ /* Set interleave mode */
+ if (max98373->interleave_mode)
+ regmap_update_bits(max98373->regmap,
+ MAX98373_R2024_PCM_DATA_FMT_CFG,
+ MAX98373_PCM_TX_CH_INTERLEAVE_MASK,
+ MAX98373_PCM_TX_CH_INTERLEAVE_MASK);
+
+ /* Speaker enable */
+ regmap_update_bits(max98373->regmap,
+ MAX98373_R2043_AMP_EN,
+ MAX98373_SPK_EN_MASK, 1);
+
+ return 0;
+}
+
+const struct snd_soc_component_driver soc_codec_dev_max98373 = {
+ .probe = max98373_probe,
+ .controls = max98373_snd_controls,
+ .num_controls = ARRAY_SIZE(max98373_snd_controls),
+ .dapm_widgets = max98373_dapm_widgets,
+ .num_dapm_widgets = ARRAY_SIZE(max98373_dapm_widgets),
+ .dapm_routes = max98373_audio_map,
+ .num_dapm_routes = ARRAY_SIZE(max98373_audio_map),
+ .use_pmdown_time = 1,
+ .endianness = 1,
+};
+EXPORT_SYMBOL_GPL(soc_codec_dev_max98373);
+
+static int max98373_sdw_probe(struct snd_soc_component *component)
+{
+ int ret;
+
+ ret = pm_runtime_resume(component->dev);
+ if (ret < 0 && ret != -EACCES)
+ return ret;
+
+ return 0;
+}
+
+const struct snd_soc_component_driver soc_codec_dev_max98373_sdw = {
+ .probe = max98373_sdw_probe,
+ .controls = max98373_snd_controls,
+ .num_controls = ARRAY_SIZE(max98373_snd_controls),
+ .dapm_widgets = max98373_dapm_widgets,
+ .num_dapm_widgets = ARRAY_SIZE(max98373_dapm_widgets),
+ .dapm_routes = max98373_audio_map,
+ .num_dapm_routes = ARRAY_SIZE(max98373_audio_map),
+ .use_pmdown_time = 1,
+ .endianness = 1,
+};
+EXPORT_SYMBOL_GPL(soc_codec_dev_max98373_sdw);
+
+void max98373_slot_config(struct device *dev,
+ struct max98373_priv *max98373)
+{
+ int value;
+
+ if (!device_property_read_u32(dev, "maxim,vmon-slot-no", &value))
+ max98373->v_slot = value & 0xF;
+ else
+ max98373->v_slot = 0;
+
+ if (!device_property_read_u32(dev, "maxim,imon-slot-no", &value))
+ max98373->i_slot = value & 0xF;
+ else
+ max98373->i_slot = 1;
+ if (dev->of_node) {
+ max98373->reset_gpio = of_get_named_gpio(dev->of_node,
+ "maxim,reset-gpio", 0);
+ if (!gpio_is_valid(max98373->reset_gpio)) {
+ dev_err(dev, "Looking up %s property in node %s failed %d\n",
+ "maxim,reset-gpio", dev->of_node->full_name,
+ max98373->reset_gpio);
+ } else {
+ dev_dbg(dev, "maxim,reset-gpio=%d",
+ max98373->reset_gpio);
+ }
+ } else {
+ /* this makes reset_gpio as invalid */
+ max98373->reset_gpio = -1;
+ }
+
+ if (!device_property_read_u32(dev, "maxim,spkfb-slot-no", &value))
+ max98373->spkfb_slot = value & 0xF;
+ else
+ max98373->spkfb_slot = 2;
+}
+EXPORT_SYMBOL_GPL(max98373_slot_config);
+
+MODULE_DESCRIPTION("ALSA SoC MAX98373 driver");
+MODULE_AUTHOR("Ryan Lee <ryans.lee@maximintegrated.com>");
+MODULE_LICENSE("GPL");
generated by cgit v1.2.3 (git 2.39.1) at 2024-11-24 11:14:16 +0000