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-rw-r--r--sound/soc/codecs/sma1303.c1820
1 files changed, 1820 insertions, 0 deletions
diff --git a/sound/soc/codecs/sma1303.c b/sound/soc/codecs/sma1303.c
new file mode 100644
index 000000000000..61072e7574a0
--- /dev/null
+++ b/sound/soc/codecs/sma1303.c
@@ -0,0 +1,1820 @@
+// SPDX-License-Identifier: GPL-2.0-or-later
+//
+// sma1303.c -- sma1303 ALSA SoC Audio driver
+//
+// Copyright 2023 Iron Device Corporation
+//
+// Auther: Gyuhwa Park <gyuhwa.park@irondevice.com>
+// Kiseok Jo <kiseok.jo@irondevice.com>
+
+#include <linux/mod_devicetable.h>
+#include <linux/module.h>
+#include <linux/moduleparam.h>
+#include <linux/kernel.h>
+#include <linux/init.h>
+#include <linux/delay.h>
+#include <linux/pm.h>
+#include <linux/i2c.h>
+#include <linux/regmap.h>
+#include <sound/core.h>
+#include <sound/pcm.h>
+#include <sound/pcm_params.h>
+#include <sound/soc.h>
+#include <sound/initval.h>
+#include <sound/tlv.h>
+#include <linux/slab.h>
+#include <asm/div64.h>
+
+#include "sma1303.h"
+
+#define CHECK_PERIOD_TIME 1 /* sec per HZ */
+#define MAX_CONTROL_NAME 48
+
+#define PLL_MATCH(_input_clk_name, _output_clk_name, _input_clk,\
+ _post_n, _n, _vco, _p_cp)\
+{\
+ .input_clk_name = _input_clk_name,\
+ .output_clk_name = _output_clk_name,\
+ .input_clk = _input_clk,\
+ .post_n = _post_n,\
+ .n = _n,\
+ .vco = _vco,\
+ .p_cp = _p_cp,\
+}
+
+enum sma1303_type {
+ SMA1303,
+};
+
+struct sma1303_pll_match {
+ char *input_clk_name;
+ char *output_clk_name;
+ unsigned int input_clk;
+ unsigned int post_n;
+ unsigned int n;
+ unsigned int vco;
+ unsigned int p_cp;
+};
+
+struct sma1303_priv {
+ enum sma1303_type devtype;
+ struct attribute_group *attr_grp;
+ struct delayed_work check_fault_work;
+ struct device *dev;
+ struct kobject *kobj;
+ struct regmap *regmap;
+ struct sma1303_pll_match *pll_matches;
+ bool amp_power_status;
+ bool force_mute_status;
+ int num_of_pll_matches;
+ int retry_cnt;
+ unsigned int amp_mode;
+ unsigned int cur_vol;
+ unsigned int format;
+ unsigned int frame_size;
+ unsigned int init_vol;
+ unsigned int last_bclk;
+ unsigned int last_ocp_val;
+ unsigned int last_over_temp;
+ unsigned int rev_num;
+ unsigned int sys_clk_id;
+ unsigned int tdm_slot_rx;
+ unsigned int tdm_slot_tx;
+ unsigned int tsdw_cnt;
+ long check_fault_period;
+ long check_fault_status;
+};
+
+static struct sma1303_pll_match sma1303_pll_matches[] = {
+PLL_MATCH("1.411MHz", "24.595MHz", 1411200, 0x07, 0xF4, 0x8B, 0x03),
+PLL_MATCH("1.536MHz", "24.576MHz", 1536000, 0x07, 0xE0, 0x8B, 0x03),
+PLL_MATCH("3.072MHz", "24.576MHz", 3072000, 0x07, 0x70, 0x8B, 0x03),
+PLL_MATCH("6.144MHz", "24.576MHz", 6144000, 0x07, 0x70, 0x8B, 0x07),
+PLL_MATCH("12.288MHz", "24.576MHz", 12288000, 0x07, 0x70, 0x8B, 0x0B),
+PLL_MATCH("19.2MHz", "24.343MHz", 19200000, 0x07, 0x47, 0x8B, 0x0A),
+PLL_MATCH("24.576MHz", "24.576MHz", 24576000, 0x07, 0x70, 0x8B, 0x0F),
+};
+
+static int sma1303_startup(struct snd_soc_component *);
+static int sma1303_shutdown(struct snd_soc_component *);
+
+static const struct reg_default sma1303_reg_def[] = {
+ { 0x00, 0x80 },
+ { 0x01, 0x00 },
+ { 0x02, 0x00 },
+ { 0x03, 0x11 },
+ { 0x04, 0x17 },
+ { 0x09, 0x00 },
+ { 0x0A, 0x31 },
+ { 0x0B, 0x98 },
+ { 0x0C, 0x84 },
+ { 0x0D, 0x07 },
+ { 0x0E, 0x3F },
+ { 0x10, 0x00 },
+ { 0x11, 0x00 },
+ { 0x12, 0x00 },
+ { 0x14, 0x5C },
+ { 0x15, 0x01 },
+ { 0x16, 0x0F },
+ { 0x17, 0x0F },
+ { 0x18, 0x0F },
+ { 0x19, 0x00 },
+ { 0x1A, 0x00 },
+ { 0x1B, 0x00 },
+ { 0x23, 0x19 },
+ { 0x24, 0x00 },
+ { 0x25, 0x00 },
+ { 0x26, 0x04 },
+ { 0x33, 0x00 },
+ { 0x36, 0x92 },
+ { 0x37, 0x27 },
+ { 0x3B, 0x5A },
+ { 0x3C, 0x20 },
+ { 0x3D, 0x00 },
+ { 0x3E, 0x03 },
+ { 0x3F, 0x0C },
+ { 0x8B, 0x07 },
+ { 0x8C, 0x70 },
+ { 0x8D, 0x8B },
+ { 0x8E, 0x6F },
+ { 0x8F, 0x03 },
+ { 0x90, 0x26 },
+ { 0x91, 0x42 },
+ { 0x92, 0xE0 },
+ { 0x94, 0x35 },
+ { 0x95, 0x0C },
+ { 0x96, 0x42 },
+ { 0x97, 0x95 },
+ { 0xA0, 0x00 },
+ { 0xA1, 0x3B },
+ { 0xA2, 0xC8 },
+ { 0xA3, 0x28 },
+ { 0xA4, 0x40 },
+ { 0xA5, 0x01 },
+ { 0xA6, 0x41 },
+ { 0xA7, 0x00 },
+};
+
+static bool sma1303_readable_register(struct device *dev, unsigned int reg)
+{
+ bool result;
+
+ if (reg > SMA1303_FF_DEVICE_INDEX)
+ return false;
+
+ switch (reg) {
+ case SMA1303_00_SYSTEM_CTRL ... SMA1303_04_INPUT1_CTRL4:
+ case SMA1303_09_OUTPUT_CTRL ... SMA1303_0E_MUTE_VOL_CTRL:
+ case SMA1303_10_SYSTEM_CTRL1 ... SMA1303_12_SYSTEM_CTRL3:
+ case SMA1303_14_MODULATOR ... SMA1303_1B_BASS_SPK7:
+ case SMA1303_23_COMP_LIM1 ... SMA1303_26_COMP_LIM4:
+ case SMA1303_33_SDM_CTRL ... SMA1303_34_OTP_DATA1:
+ case SMA1303_36_PROTECTION ... SMA1303_38_OTP_TRM0:
+ case SMA1303_3B_TEST1 ... SMA1303_3F_ATEST2:
+ case SMA1303_8B_PLL_POST_N ... SMA1303_92_FDPEC_CTRL:
+ case SMA1303_94_BOOST_CTRL1 ... SMA1303_97_BOOST_CTRL4:
+ case SMA1303_A0_PAD_CTRL0 ... SMA1303_A7_CLK_MON:
+ case SMA1303_FA_STATUS1 ... SMA1303_FB_STATUS2:
+ result = true;
+ break;
+ case SMA1303_FF_DEVICE_INDEX:
+ result = true;
+ break;
+ default:
+ result = false;
+ break;
+ }
+ return result;
+}
+
+static bool sma1303_writeable_register(struct device *dev, unsigned int reg)
+{
+ bool result;
+
+ if (reg > SMA1303_FF_DEVICE_INDEX)
+ return false;
+
+ switch (reg) {
+ case SMA1303_00_SYSTEM_CTRL ... SMA1303_04_INPUT1_CTRL4:
+ case SMA1303_09_OUTPUT_CTRL ... SMA1303_0E_MUTE_VOL_CTRL:
+ case SMA1303_10_SYSTEM_CTRL1 ... SMA1303_12_SYSTEM_CTRL3:
+ case SMA1303_14_MODULATOR ... SMA1303_1B_BASS_SPK7:
+ case SMA1303_23_COMP_LIM1 ... SMA1303_26_COMP_LIM4:
+ case SMA1303_33_SDM_CTRL:
+ case SMA1303_36_PROTECTION ... SMA1303_37_SLOPE_CTRL:
+ case SMA1303_3B_TEST1 ... SMA1303_3F_ATEST2:
+ case SMA1303_8B_PLL_POST_N ... SMA1303_92_FDPEC_CTRL:
+ case SMA1303_94_BOOST_CTRL1 ... SMA1303_97_BOOST_CTRL4:
+ case SMA1303_A0_PAD_CTRL0 ... SMA1303_A7_CLK_MON:
+ result = true;
+ break;
+ default:
+ result = false;
+ break;
+ }
+ return result;
+}
+
+static bool sma1303_volatile_register(struct device *dev, unsigned int reg)
+{
+ bool result;
+
+ switch (reg) {
+ case SMA1303_FA_STATUS1 ... SMA1303_FB_STATUS2:
+ result = true;
+ break;
+ case SMA1303_FF_DEVICE_INDEX:
+ result = true;
+ break;
+ default:
+ result = false;
+ break;
+ }
+ return result;
+}
+
+static const DECLARE_TLV_DB_SCALE(sma1303_spk_tlv, -6000, 50, 0);
+
+static int sma1303_regmap_write(struct sma1303_priv *sma1303,
+ unsigned int reg, unsigned int val)
+{
+ int ret = 0;
+ int cnt = sma1303->retry_cnt;
+
+ while (cnt--) {
+ ret = regmap_write(sma1303->regmap, reg, val);
+ if (ret < 0) {
+ dev_err(sma1303->dev,
+ "Failed to write [0x%02X]\n", reg);
+ } else
+ break;
+ }
+ return ret;
+}
+
+static int sma1303_regmap_update_bits(struct sma1303_priv *sma1303,
+ unsigned int reg, unsigned int mask, unsigned int val, bool *change)
+{
+ int ret = 0;
+ int cnt = sma1303->retry_cnt;
+
+ while (cnt--) {
+ ret = regmap_update_bits_check(sma1303->regmap, reg,
+ mask, val, change);
+ if (ret < 0) {
+ dev_err(sma1303->dev,
+ "Failed to update [0x%02X]\n", reg);
+ } else
+ break;
+ }
+ return ret;
+}
+
+static int sma1303_regmap_read(struct sma1303_priv *sma1303,
+ unsigned int reg, unsigned int *val)
+{
+ int ret = 0;
+ int cnt = sma1303->retry_cnt;
+
+ while (cnt--) {
+ ret = regmap_read(sma1303->regmap, reg, val);
+ if (ret < 0) {
+ dev_err(sma1303->dev,
+ "Failed to read [0x%02X]\n", reg);
+ } else
+ break;
+ }
+ return ret;
+}
+
+static const char * const sma1303_aif_in_source_text[] = {
+ "Mono", "Left", "Right"};
+static const char * const sma1303_aif_out_source_text[] = {
+ "Disable", "After_FmtC", "After_Mixer", "After_DSP", "After_Post",
+ "Clk_PLL", "Clk_OSC"};
+static const char * const sma1303_tdm_slot_text[] = {
+ "Slot0", "Slot1", "Slot2", "Slot3",
+ "Slot4", "Slot5", "Slot6", "Slot7"};
+
+static const struct soc_enum sma1303_aif_in_source_enum =
+ SOC_ENUM_SINGLE_EXT(ARRAY_SIZE(sma1303_aif_in_source_text),
+ sma1303_aif_in_source_text);
+static const struct soc_enum sma1303_aif_out_source_enum =
+ SOC_ENUM_SINGLE_EXT(ARRAY_SIZE(sma1303_aif_out_source_text),
+ sma1303_aif_out_source_text);
+static const struct soc_enum sma1303_tdm_slot_enum =
+ SOC_ENUM_SINGLE_EXT(ARRAY_SIZE(sma1303_tdm_slot_text),
+ sma1303_tdm_slot_text);
+
+static int sma1303_force_mute_get(struct snd_kcontrol *kcontrol,
+ struct snd_ctl_elem_value *ucontrol)
+{
+ struct snd_soc_component *component =
+ snd_soc_kcontrol_component(kcontrol);
+ struct sma1303_priv *sma1303 = snd_soc_component_get_drvdata(component);
+
+ ucontrol->value.integer.value[0] = (int)sma1303->force_mute_status;
+ dev_dbg(sma1303->dev, "%s : Force Mute %s\n", __func__,
+ sma1303->force_mute_status ? "ON" : "OFF");
+
+ return 0;
+}
+
+static int sma1303_force_mute_put(struct snd_kcontrol *kcontrol,
+ struct snd_ctl_elem_value *ucontrol)
+{
+ struct snd_soc_component *component =
+ snd_soc_kcontrol_component(kcontrol);
+ struct sma1303_priv *sma1303 = snd_soc_component_get_drvdata(component);
+ bool change = false, val = (bool)ucontrol->value.integer.value[0];
+
+ if (sma1303->force_mute_status == val)
+ change = false;
+ else {
+ change = true;
+ sma1303->force_mute_status = val;
+ }
+ dev_dbg(sma1303->dev, "%s : Force Mute %s\n", __func__,
+ sma1303->force_mute_status ? "ON" : "OFF");
+
+ return change;
+}
+
+static int sma1303_postscaler_get(struct snd_kcontrol *kcontrol,
+ struct snd_ctl_elem_value *ucontrol)
+{
+ struct snd_soc_component *component =
+ snd_soc_kcontrol_component(kcontrol);
+ struct sma1303_priv *sma1303 = snd_soc_component_get_drvdata(component);
+ int val, ret;
+
+ ret = sma1303_regmap_read(sma1303, SMA1303_90_POSTSCALER, &val);
+ if (ret < 0)
+ return -EINVAL;
+
+ ucontrol->value.integer.value[0] = (val & 0x7E) >> 1;
+
+ return 0;
+}
+
+static int sma1303_postscaler_put(struct snd_kcontrol *kcontrol,
+ struct snd_ctl_elem_value *ucontrol)
+{
+ struct snd_soc_component *component =
+ snd_soc_kcontrol_component(kcontrol);
+ struct sma1303_priv *sma1303 = snd_soc_component_get_drvdata(component);
+ int ret, val = (int)ucontrol->value.integer.value[0];
+ bool change;
+
+ ret = sma1303_regmap_update_bits(sma1303,
+ SMA1303_90_POSTSCALER, 0x7E, (val << 1), &change);
+ if (ret < 0)
+ return -EINVAL;
+
+ return change;
+}
+
+static int sma1303_tdm_slot_rx_get(struct snd_kcontrol *kcontrol,
+ struct snd_ctl_elem_value *ucontrol)
+{
+ struct snd_soc_component *component =
+ snd_soc_kcontrol_component(kcontrol);
+ struct sma1303_priv *sma1303 = snd_soc_component_get_drvdata(component);
+ int val, ret;
+
+ ret = sma1303_regmap_read(sma1303, SMA1303_A5_TDM1, &val);
+ if (ret < 0)
+ return -EINVAL;
+
+ ucontrol->value.integer.value[0] = (val & 0x38) >> 3;
+ sma1303->tdm_slot_rx = ucontrol->value.integer.value[0];
+
+ return 0;
+}
+
+static int sma1303_tdm_slot_rx_put(struct snd_kcontrol *kcontrol,
+ struct snd_ctl_elem_value *ucontrol)
+{
+ struct snd_soc_component *component =
+ snd_soc_kcontrol_component(kcontrol);
+ struct sma1303_priv *sma1303 = snd_soc_component_get_drvdata(component);
+ int ret, val = (int)ucontrol->value.integer.value[0];
+ bool change;
+
+ ret = sma1303_regmap_update_bits(sma1303,
+ SMA1303_A5_TDM1, 0x38, (val << 3), &change);
+ if (ret < 0)
+ return -EINVAL;
+
+ return change;
+}
+
+static int sma1303_tdm_slot_tx_get(struct snd_kcontrol *kcontrol,
+ struct snd_ctl_elem_value *ucontrol)
+{
+ struct snd_soc_component *component =
+ snd_soc_kcontrol_component(kcontrol);
+ struct sma1303_priv *sma1303 = snd_soc_component_get_drvdata(component);
+ int val, ret;
+
+ ret = sma1303_regmap_read(sma1303, SMA1303_A6_TDM2, &val);
+ if (ret < 0)
+ return -EINVAL;
+
+ ucontrol->value.integer.value[0] = (val & 0x38) >> 3;
+ sma1303->tdm_slot_tx = ucontrol->value.integer.value[0];
+
+ return 0;
+}
+
+static int sma1303_tdm_slot_tx_put(struct snd_kcontrol *kcontrol,
+ struct snd_ctl_elem_value *ucontrol)
+{
+ struct snd_soc_component *component =
+ snd_soc_kcontrol_component(kcontrol);
+ struct sma1303_priv *sma1303 = snd_soc_component_get_drvdata(component);
+ int ret, val = (int)ucontrol->value.integer.value[0];
+ bool change;
+
+ ret = sma1303_regmap_update_bits(sma1303,
+ SMA1303_A6_TDM2, 0x38, (val << 3), &change);
+ if (ret < 0)
+ return -EINVAL;
+
+ return change;
+}
+
+static int sma1303_startup(struct snd_soc_component *component)
+{
+ struct sma1303_priv *sma1303 = snd_soc_component_get_drvdata(component);
+ bool change = false, temp = false;
+
+ sma1303_regmap_update_bits(sma1303, SMA1303_8E_PLL_CTRL,
+ SMA1303_PLL_PD2_MASK, SMA1303_PLL_OPERATION2, &temp);
+ if (temp == true)
+ change = true;
+
+ sma1303_regmap_update_bits(sma1303, SMA1303_00_SYSTEM_CTRL,
+ SMA1303_POWER_MASK, SMA1303_POWER_ON, &temp);
+ if (temp == true)
+ change = true;
+
+ if (sma1303->amp_mode == SMA1303_MONO) {
+ sma1303_regmap_update_bits(sma1303,
+ SMA1303_10_SYSTEM_CTRL1,
+ SMA1303_SPK_MODE_MASK,
+ SMA1303_SPK_MONO,
+ &temp);
+ if (temp == true)
+ change = true;
+
+ } else {
+ sma1303_regmap_update_bits(sma1303,
+ SMA1303_10_SYSTEM_CTRL1,
+ SMA1303_SPK_MODE_MASK,
+ SMA1303_SPK_STEREO,
+ &temp);
+ if (temp == true)
+ change = true;
+ }
+
+ if (sma1303->check_fault_status) {
+ if (sma1303->check_fault_period > 0)
+ queue_delayed_work(system_freezable_wq,
+ &sma1303->check_fault_work,
+ sma1303->check_fault_period * HZ);
+ else
+ queue_delayed_work(system_freezable_wq,
+ &sma1303->check_fault_work,
+ CHECK_PERIOD_TIME * HZ);
+ }
+
+ sma1303->amp_power_status = true;
+
+ return change;
+}
+
+static int sma1303_shutdown(struct snd_soc_component *component)
+{
+ struct sma1303_priv *sma1303 = snd_soc_component_get_drvdata(component);
+ bool change = false, temp = false;
+
+ cancel_delayed_work_sync(&sma1303->check_fault_work);
+
+ sma1303_regmap_update_bits(sma1303, SMA1303_10_SYSTEM_CTRL1,
+ SMA1303_SPK_MODE_MASK, SMA1303_SPK_OFF, &temp);
+ if (temp == true)
+ change = true;
+
+ sma1303_regmap_update_bits(sma1303, SMA1303_00_SYSTEM_CTRL,
+ SMA1303_POWER_MASK, SMA1303_POWER_OFF, &temp);
+ if (temp == true)
+ change = true;
+ sma1303_regmap_update_bits(sma1303, SMA1303_8E_PLL_CTRL,
+ SMA1303_PLL_PD2_MASK, SMA1303_PLL_PD2, &temp);
+ if (temp == true)
+ change = true;
+
+ sma1303->amp_power_status = false;
+
+ return change;
+}
+
+static int sma1303_aif_in_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 sma1303_priv *sma1303 = snd_soc_component_get_drvdata(component);
+ unsigned int mux = dapm_kcontrol_get_value(w->kcontrols[0]);
+ int ret = 0;
+ bool change = false, temp = false;
+
+ switch (event) {
+ case SND_SOC_DAPM_PRE_PMU:
+ switch (mux) {
+ case 0:
+ ret += sma1303_regmap_update_bits(sma1303,
+ SMA1303_11_SYSTEM_CTRL2,
+ SMA1303_MONOMIX_MASK,
+ SMA1303_MONOMIX_ON,
+ &change);
+ sma1303->amp_mode = SMA1303_MONO;
+ break;
+ case 1:
+ ret += sma1303_regmap_update_bits(sma1303,
+ SMA1303_11_SYSTEM_CTRL2,
+ SMA1303_MONOMIX_MASK,
+ SMA1303_MONOMIX_OFF,
+ &temp);
+ if (temp == true)
+ change = true;
+ ret += sma1303_regmap_update_bits(sma1303,
+ SMA1303_11_SYSTEM_CTRL2,
+ SMA1303_LR_DATA_SW_MASK,
+ SMA1303_LR_DATA_SW_NORMAL,
+ &temp);
+ if (temp == true)
+ change = true;
+ sma1303->amp_mode = SMA1303_STEREO;
+ break;
+ case 2:
+ ret += sma1303_regmap_update_bits(sma1303,
+ SMA1303_11_SYSTEM_CTRL2,
+ SMA1303_MONOMIX_MASK,
+ SMA1303_MONOMIX_OFF,
+ &temp);
+ if (temp == true)
+ change = true;
+ ret += sma1303_regmap_update_bits(sma1303,
+ SMA1303_11_SYSTEM_CTRL2,
+ SMA1303_LR_DATA_SW_MASK,
+ SMA1303_LR_DATA_SW_SWAP,
+ &temp);
+ if (temp == true)
+ change = true;
+ sma1303->amp_mode = SMA1303_STEREO;
+ break;
+ default:
+ dev_err(sma1303->dev, "%s : Invalid value (%d)\n",
+ __func__, mux);
+ return -EINVAL;
+ }
+
+ dev_dbg(sma1303->dev, "%s : Source : %s\n", __func__,
+ sma1303_aif_in_source_text[mux]);
+ break;
+ }
+ if (ret < 0)
+ return -EINVAL;
+ return change;
+}
+
+static int sma1303_aif_out_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 sma1303_priv *sma1303 = snd_soc_component_get_drvdata(component);
+ unsigned int mux = dapm_kcontrol_get_value(w->kcontrols[0]);
+ int ret = 0;
+ bool change = false, temp = false;
+
+ switch (event) {
+ case SND_SOC_DAPM_PRE_PMU:
+ switch (mux) {
+ case 0:
+ ret += sma1303_regmap_update_bits(sma1303,
+ SMA1303_A3_TOP_MAN2,
+ SMA1303_TEST_CLKO_EN_MASK,
+ SMA1303_NORMAL_SDO,
+ &temp);
+ if (temp == true)
+ change = true;
+ ret += sma1303_regmap_update_bits(sma1303,
+ SMA1303_09_OUTPUT_CTRL,
+ SMA1303_PORT_OUT_SEL_MASK,
+ SMA1303_OUT_SEL_DISABLE,
+ &temp);
+ if (temp == true)
+ change = true;
+ break;
+ case 1:
+ ret += sma1303_regmap_update_bits(sma1303,
+ SMA1303_A3_TOP_MAN2,
+ SMA1303_TEST_CLKO_EN_MASK,
+ SMA1303_NORMAL_SDO,
+ &temp);
+ if (temp == true)
+ change = true;
+ ret += sma1303_regmap_update_bits(sma1303,
+ SMA1303_09_OUTPUT_CTRL,
+ SMA1303_PORT_OUT_SEL_MASK,
+ SMA1303_FORMAT_CONVERTER,
+ &temp);
+ if (temp == true)
+ change = true;
+ break;
+ case 2:
+ ret += sma1303_regmap_update_bits(sma1303,
+ SMA1303_A3_TOP_MAN2,
+ SMA1303_TEST_CLKO_EN_MASK,
+ SMA1303_NORMAL_SDO,
+ &temp);
+ if (temp == true)
+ change = true;
+ ret += sma1303_regmap_update_bits(sma1303,
+ SMA1303_09_OUTPUT_CTRL,
+ SMA1303_PORT_OUT_SEL_MASK,
+ SMA1303_MIXER_OUTPUT,
+ &temp);
+ if (temp == true)
+ change = true;
+ break;
+ case 3:
+ ret += sma1303_regmap_update_bits(sma1303,
+ SMA1303_A3_TOP_MAN2,
+ SMA1303_TEST_CLKO_EN_MASK,
+ SMA1303_NORMAL_SDO,
+ &temp);
+ if (temp == true)
+ change = true;
+ ret += sma1303_regmap_update_bits(sma1303,
+ SMA1303_09_OUTPUT_CTRL,
+ SMA1303_PORT_OUT_SEL_MASK,
+ SMA1303_SPEAKER_PATH,
+ &temp);
+ if (temp == true)
+ change = true;
+ break;
+ case 4:
+ ret += sma1303_regmap_update_bits(sma1303,
+ SMA1303_A3_TOP_MAN2,
+ SMA1303_TEST_CLKO_EN_MASK,
+ SMA1303_NORMAL_SDO,
+ &temp);
+ if (temp == true)
+ change = true;
+ ret += sma1303_regmap_update_bits(sma1303,
+ SMA1303_09_OUTPUT_CTRL,
+ SMA1303_PORT_OUT_SEL_MASK,
+ SMA1303_POSTSCALER_OUTPUT,
+ &temp);
+ if (temp == true)
+ change = true;
+ break;
+ case 5:
+ ret += sma1303_regmap_update_bits(sma1303,
+ SMA1303_A3_TOP_MAN2,
+ SMA1303_TEST_CLKO_EN_MASK,
+ SMA1303_CLK_OUT_SDO,
+ &temp);
+ if (temp == true)
+ change = true;
+ ret += sma1303_regmap_update_bits(sma1303,
+ SMA1303_A3_TOP_MAN2,
+ SMA1303_MON_OSC_PLL_MASK,
+ SMA1303_PLL_SDO,
+ &temp);
+ if (temp == true)
+ change = true;
+ break;
+ case 6:
+ ret += sma1303_regmap_update_bits(sma1303,
+ SMA1303_A3_TOP_MAN2,
+ SMA1303_TEST_CLKO_EN_MASK,
+ SMA1303_CLK_OUT_SDO,
+ &temp);
+ if (temp == true)
+ change = true;
+ ret += sma1303_regmap_update_bits(sma1303,
+ SMA1303_A3_TOP_MAN2,
+ SMA1303_MON_OSC_PLL_MASK,
+ SMA1303_OSC_SDO,
+ &temp);
+ if (temp == true)
+ change = true;
+ break;
+ default:
+ dev_err(sma1303->dev, "%s : Invalid value (%d)\n",
+ __func__, mux);
+ return -EINVAL;
+ }
+
+ dev_dbg(sma1303->dev, "%s : Source : %s\n", __func__,
+ sma1303_aif_out_source_text[mux]);
+ break;
+ }
+ if (ret < 0)
+ return -EINVAL;
+ return change;
+}
+
+static int sma1303_sdo_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 sma1303_priv *sma1303 = snd_soc_component_get_drvdata(component);
+ int ret = 0;
+ bool change = false, temp = false;
+
+ switch (event) {
+ case SND_SOC_DAPM_PRE_PMU:
+ dev_dbg(sma1303->dev,
+ "%s : SND_SOC_DAPM_PRE_PMU\n", __func__);
+ ret += sma1303_regmap_update_bits(sma1303,
+ SMA1303_09_OUTPUT_CTRL,
+ SMA1303_PORT_CONFIG_MASK,
+ SMA1303_OUTPUT_PORT_ENABLE,
+ &temp);
+ if (temp == true)
+ change = true;
+ ret += sma1303_regmap_update_bits(sma1303,
+ SMA1303_A3_TOP_MAN2,
+ SMA1303_SDO_OUTPUT_MASK,
+ SMA1303_NORMAL_OUT,
+ &temp);
+ if (temp == true)
+ change = true;
+ break;
+ case SND_SOC_DAPM_POST_PMD:
+ dev_dbg(sma1303->dev,
+ "%s : SND_SOC_DAPM_POST_PMD\n", __func__);
+ ret += sma1303_regmap_update_bits(sma1303,
+ SMA1303_09_OUTPUT_CTRL,
+ SMA1303_PORT_CONFIG_MASK,
+ SMA1303_INPUT_PORT_ONLY,
+ &temp);
+ if (temp == true)
+ change = true;
+ ret += sma1303_regmap_update_bits(sma1303,
+ SMA1303_A3_TOP_MAN2,
+ SMA1303_SDO_OUTPUT_MASK,
+ SMA1303_HIGH_Z_OUT,
+ &temp);
+ if (temp == true)
+ change = true;
+ break;
+ }
+ if (ret < 0)
+ return -EINVAL;
+ return change;
+}
+
+static int sma1303_post_scaler_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 sma1303_priv *sma1303 = snd_soc_component_get_drvdata(component);
+ int ret = 0;
+ bool change = false;
+
+ switch (event) {
+ case SND_SOC_DAPM_PRE_PMU:
+ dev_dbg(sma1303->dev,
+ "%s : SND_SOC_DAPM_PRE_PMU\n", __func__);
+ ret += sma1303_regmap_update_bits(sma1303,
+ SMA1303_90_POSTSCALER,
+ SMA1303_BYP_POST_MASK,
+ SMA1303_EN_POST_SCALER,
+ &change);
+ break;
+ case SND_SOC_DAPM_POST_PMD:
+ dev_dbg(sma1303->dev,
+ "%s : SND_SOC_DAPM_POST_PMD\n", __func__);
+ ret += sma1303_regmap_update_bits(sma1303,
+ SMA1303_90_POSTSCALER,
+ SMA1303_BYP_POST_MASK,
+ SMA1303_BYP_POST_SCALER,
+ &change);
+ break;
+ }
+ if (ret < 0)
+ return -EINVAL;
+ return change;
+}
+
+static int sma1303_power_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 sma1303_priv *sma1303 = snd_soc_component_get_drvdata(component);
+ int ret = 0;
+
+ switch (event) {
+ case SND_SOC_DAPM_POST_PMU:
+ dev_dbg(sma1303->dev,
+ "%s : SND_SOC_DAPM_POST_PMU\n", __func__);
+ ret = sma1303_startup(component);
+ break;
+ case SND_SOC_DAPM_PRE_PMD:
+ dev_dbg(sma1303->dev,
+ "%s : SND_SOC_DAPM_PRE_PMD\n", __func__);
+ ret = sma1303_shutdown(component);
+ break;
+ }
+ return ret;
+}
+
+static const struct snd_kcontrol_new sma1303_aif_in_source_control =
+ SOC_DAPM_ENUM("AIF IN Source", sma1303_aif_in_source_enum);
+static const struct snd_kcontrol_new sma1303_aif_out_source_control =
+ SOC_DAPM_ENUM("AIF OUT Source", sma1303_aif_out_source_enum);
+static const struct snd_kcontrol_new sma1303_sdo_control =
+ SOC_DAPM_SINGLE_VIRT("Switch", 1);
+static const struct snd_kcontrol_new sma1303_post_scaler_control =
+ SOC_DAPM_SINGLE_VIRT("Switch", 1);
+static const struct snd_kcontrol_new sma1303_enable_control =
+ SOC_DAPM_SINGLE_VIRT("Switch", 1);
+
+static const struct snd_kcontrol_new sma1303_snd_controls[] = {
+ SOC_SINGLE_TLV("Speaker Volume", SMA1303_0A_SPK_VOL,
+ 0, 167, 1, sma1303_spk_tlv),
+ SOC_SINGLE_BOOL_EXT("Force Mute Switch", 0,
+ sma1303_force_mute_get, sma1303_force_mute_put),
+ SOC_SINGLE_EXT("Postscaler Gain", SMA1303_90_POSTSCALER, 1, 0x30, 0,
+ sma1303_postscaler_get, sma1303_postscaler_put),
+ SOC_ENUM_EXT("TDM RX Slot Position", sma1303_tdm_slot_enum,
+ sma1303_tdm_slot_rx_get, sma1303_tdm_slot_rx_put),
+ SOC_ENUM_EXT("TDM TX Slot Position", sma1303_tdm_slot_enum,
+ sma1303_tdm_slot_tx_get, sma1303_tdm_slot_tx_put),
+};
+
+static const struct snd_soc_dapm_widget sma1303_dapm_widgets[] = {
+ /* platform domain */
+ SND_SOC_DAPM_OUTPUT("SPK"),
+ SND_SOC_DAPM_INPUT("SDO"),
+
+ /* path domain */
+ SND_SOC_DAPM_MUX_E("AIF IN Source", SND_SOC_NOPM, 0, 0,
+ &sma1303_aif_in_source_control,
+ sma1303_aif_in_event,
+ SND_SOC_DAPM_PRE_PMU),
+ SND_SOC_DAPM_MUX_E("AIF OUT Source", SND_SOC_NOPM, 0, 0,
+ &sma1303_aif_out_source_control,
+ sma1303_aif_out_event,
+ SND_SOC_DAPM_PRE_PMU),
+ SND_SOC_DAPM_SWITCH_E("SDO Enable", SND_SOC_NOPM, 0, 0,
+ &sma1303_sdo_control,
+ sma1303_sdo_event,
+ SND_SOC_DAPM_PRE_PMU | SND_SOC_DAPM_POST_PMD),
+ SND_SOC_DAPM_MIXER("Entry", SND_SOC_NOPM, 0, 0, NULL, 0),
+ SND_SOC_DAPM_SWITCH_E("Post Scaler", SND_SOC_NOPM, 0, 1,
+ &sma1303_post_scaler_control,
+ sma1303_post_scaler_event,
+ SND_SOC_DAPM_PRE_PMU | SND_SOC_DAPM_POST_PMD),
+ SND_SOC_DAPM_OUT_DRV_E("AMP Power", SND_SOC_NOPM, 0, 0, NULL, 0,
+ sma1303_power_event,
+ SND_SOC_DAPM_POST_PMU | SND_SOC_DAPM_PRE_PMD),
+ SND_SOC_DAPM_SWITCH("AMP Enable", SND_SOC_NOPM, 0, 1,
+ &sma1303_enable_control),
+
+ /* stream domain */
+ SND_SOC_DAPM_AIF_IN("AIF IN", "Playback", 0, SND_SOC_NOPM, 0, 0),
+ SND_SOC_DAPM_AIF_OUT("AIF OUT", "Capture", 0, SND_SOC_NOPM, 0, 0),
+};
+
+static const struct snd_soc_dapm_route sma1303_audio_map[] = {
+ /* Playback */
+ {"AIF IN Source", "Mono", "AIF IN"},
+ {"AIF IN Source", "Left", "AIF IN"},
+ {"AIF IN Source", "Right", "AIF IN"},
+
+ {"SDO Enable", "Switch", "AIF IN"},
+ {"AIF OUT Source", "Disable", "SDO Enable"},
+ {"AIF OUT Source", "After_FmtC", "SDO Enable"},
+ {"AIF OUT Source", "After_Mixer", "SDO Enable"},
+ {"AIF OUT Source", "After_DSP", "SDO Enable"},
+ {"AIF OUT Source", "After_Post", "SDO Enable"},
+ {"AIF OUT Source", "Clk_PLL", "SDO Enable"},
+ {"AIF OUT Source", "Clk_OSC", "SDO Enable"},
+
+ {"Entry", NULL, "AIF OUT Source"},
+ {"Entry", NULL, "AIF IN Source"},
+
+ {"Post Scaler", "Switch", "Entry"},
+ {"AMP Power", NULL, "Entry"},
+ {"AMP Power", NULL, "Entry"},
+
+ {"AMP Enable", "Switch", "AMP Power"},
+ {"SPK", NULL, "AMP Enable"},
+
+ /* Capture */
+ {"AIF OUT", NULL, "AMP Enable"},
+};
+
+static int sma1303_setup_pll(struct snd_soc_component *component,
+ unsigned int bclk)
+{
+ struct sma1303_priv *sma1303 = snd_soc_component_get_drvdata(component);
+
+ int i = 0, ret = 0;
+
+ dev_dbg(component->dev, "%s : BCLK = %dHz\n",
+ __func__, bclk);
+
+ if (sma1303->sys_clk_id == SMA1303_PLL_CLKIN_MCLK) {
+ dev_dbg(component->dev, "%s : MCLK is not supported\n",
+ __func__);
+ } else if (sma1303->sys_clk_id == SMA1303_PLL_CLKIN_BCLK) {
+ for (i = 0; i < sma1303->num_of_pll_matches; i++) {
+ if (sma1303->pll_matches[i].input_clk == bclk)
+ break;
+ }
+ if (i == sma1303->num_of_pll_matches) {
+ dev_dbg(component->dev, "%s : No matching value between pll table and SCK\n",
+ __func__);
+ return -EINVAL;
+ }
+
+ ret += sma1303_regmap_update_bits(sma1303,
+ SMA1303_A2_TOP_MAN1,
+ SMA1303_PLL_PD_MASK|SMA1303_PLL_REF_CLK_MASK,
+ SMA1303_PLL_OPERATION|SMA1303_PLL_SCK,
+ NULL);
+ }
+
+ ret += sma1303_regmap_write(sma1303,
+ SMA1303_8B_PLL_POST_N,
+ sma1303->pll_matches[i].post_n);
+
+ ret += sma1303_regmap_write(sma1303,
+ SMA1303_8C_PLL_N,
+ sma1303->pll_matches[i].n);
+
+ ret += sma1303_regmap_write(sma1303,
+ SMA1303_8D_PLL_A_SETTING,
+ sma1303->pll_matches[i].vco);
+
+ ret += sma1303_regmap_write(sma1303,
+ SMA1303_8F_PLL_P_CP,
+ sma1303->pll_matches[i].p_cp);
+ if (ret < 0)
+ return -EINVAL;
+
+ return 0;
+}
+
+static int sma1303_dai_hw_params_amp(struct snd_pcm_substream *substream,
+ struct snd_pcm_hw_params *params, struct snd_soc_dai *dai)
+{
+ struct snd_soc_component *component = dai->component;
+ struct sma1303_priv *sma1303 = snd_soc_component_get_drvdata(component);
+ unsigned int bclk = 0;
+ int ret = 0;
+
+ if (sma1303->format == SND_SOC_DAIFMT_DSP_A)
+ bclk = params_rate(params) * sma1303->frame_size;
+ else
+ bclk = params_rate(params) * params_physical_width(params)
+ * params_channels(params);
+
+ dev_dbg(component->dev,
+ "%s : rate = %d : bit size = %d : channel = %d\n",
+ __func__, params_rate(params), params_width(params),
+ params_channels(params));
+
+ if (substream->stream == SNDRV_PCM_STREAM_PLAYBACK) {
+ if (sma1303->sys_clk_id == SMA1303_PLL_CLKIN_BCLK) {
+ if (sma1303->last_bclk != bclk) {
+ sma1303_setup_pll(component, bclk);
+ sma1303->last_bclk = bclk;
+ }
+ }
+
+ switch (params_rate(params)) {
+ case 8000:
+ case 12000:
+ case 16000:
+ case 24000:
+ case 32000:
+ case 44100:
+ case 48000:
+ case 96000:
+ ret += sma1303_regmap_update_bits(sma1303,
+ SMA1303_A2_TOP_MAN1,
+ SMA1303_DAC_DN_CONV_MASK,
+ SMA1303_DAC_DN_CONV_DISABLE,
+ NULL);
+
+ ret += sma1303_regmap_update_bits(sma1303,
+ SMA1303_01_INPUT1_CTRL1,
+ SMA1303_LEFTPOL_MASK,
+ SMA1303_LOW_FIRST_CH,
+ NULL);
+ break;
+
+ case 192000:
+ ret += sma1303_regmap_update_bits(sma1303,
+ SMA1303_A2_TOP_MAN1,
+ SMA1303_DAC_DN_CONV_MASK,
+ SMA1303_DAC_DN_CONV_ENABLE,
+ NULL);
+
+ ret += sma1303_regmap_update_bits(sma1303,
+ SMA1303_01_INPUT1_CTRL1,
+ SMA1303_LEFTPOL_MASK,
+ SMA1303_HIGH_FIRST_CH,
+ NULL);
+ break;
+
+ default:
+ dev_err(component->dev, "%s not support rate : %d\n",
+ __func__, params_rate(params));
+
+ return -EINVAL;
+ }
+
+ } else {
+
+ switch (params_format(params)) {
+
+ case SNDRV_PCM_FORMAT_S16_LE:
+ dev_dbg(component->dev,
+ "%s set format SNDRV_PCM_FORMAT_S16_LE\n",
+ __func__);
+ ret += sma1303_regmap_update_bits(sma1303,
+ SMA1303_A4_TOP_MAN3,
+ SMA1303_SCK_RATE_MASK,
+ SMA1303_SCK_32FS,
+ NULL);
+ break;
+
+ case SNDRV_PCM_FORMAT_S24_LE:
+ dev_dbg(component->dev,
+ "%s set format SNDRV_PCM_FORMAT_S24_LE\n",
+ __func__);
+ ret += sma1303_regmap_update_bits(sma1303,
+ SMA1303_A4_TOP_MAN3,
+ SMA1303_SCK_RATE_MASK,
+ SMA1303_SCK_64FS,
+ NULL);
+ break;
+ case SNDRV_PCM_FORMAT_S32_LE:
+ dev_dbg(component->dev,
+ "%s set format SNDRV_PCM_FORMAT_S32_LE\n",
+ __func__);
+ ret += sma1303_regmap_update_bits(sma1303,
+ SMA1303_A4_TOP_MAN3,
+ SMA1303_SCK_RATE_MASK,
+ SMA1303_SCK_64FS,
+ NULL);
+ break;
+ default:
+ dev_err(component->dev,
+ "%s not support data bit : %d\n", __func__,
+ params_format(params));
+ return -EINVAL;
+ }
+ }
+
+ switch (sma1303->format) {
+ case SND_SOC_DAIFMT_I2S:
+ ret += sma1303_regmap_update_bits(sma1303,
+ SMA1303_01_INPUT1_CTRL1,
+ SMA1303_I2S_MODE_MASK,
+ SMA1303_STANDARD_I2S,
+ NULL);
+ ret += sma1303_regmap_update_bits(sma1303,
+ SMA1303_A4_TOP_MAN3,
+ SMA1303_O_FORMAT_MASK,
+ SMA1303_O_FMT_I2S,
+ NULL);
+ break;
+ case SND_SOC_DAIFMT_LEFT_J:
+ ret += sma1303_regmap_update_bits(sma1303,
+ SMA1303_01_INPUT1_CTRL1,
+ SMA1303_I2S_MODE_MASK,
+ SMA1303_LJ,
+ NULL);
+ ret += sma1303_regmap_update_bits(sma1303,
+ SMA1303_A4_TOP_MAN3,
+ SMA1303_O_FORMAT_MASK,
+ SMA1303_O_FMT_LJ,
+ NULL);
+ break;
+ case SND_SOC_DAIFMT_RIGHT_J:
+ switch (params_width(params)) {
+ case 16:
+ ret += sma1303_regmap_update_bits(sma1303,
+ SMA1303_01_INPUT1_CTRL1,
+ SMA1303_I2S_MODE_MASK,
+ SMA1303_RJ_16BIT,
+ NULL);
+ break;
+ case 24:
+ case 32:
+ ret += sma1303_regmap_update_bits(sma1303,
+ SMA1303_01_INPUT1_CTRL1,
+ SMA1303_I2S_MODE_MASK,
+ SMA1303_RJ_24BIT,
+ NULL);
+ break;
+ }
+ break;
+ case SND_SOC_DAIFMT_DSP_A:
+ ret += sma1303_regmap_update_bits(sma1303,
+ SMA1303_01_INPUT1_CTRL1,
+ SMA1303_I2S_MODE_MASK,
+ SMA1303_STANDARD_I2S,
+ NULL);
+ ret += sma1303_regmap_update_bits(sma1303,
+ SMA1303_A4_TOP_MAN3,
+ SMA1303_O_FORMAT_MASK,
+ SMA1303_O_FMT_TDM,
+ NULL);
+ break;
+ }
+
+ switch (params_width(params)) {
+ case 16:
+ case 24:
+ case 32:
+ break;
+ default:
+ dev_err(component->dev,
+ "%s not support data bit : %d\n", __func__,
+ params_format(params));
+ return -EINVAL;
+ }
+ if (ret < 0)
+ return -EINVAL;
+
+ return 0;
+}
+
+static int sma1303_dai_set_sysclk_amp(struct snd_soc_dai *dai,
+ int clk_id, unsigned int freq, int dir)
+{
+ struct snd_soc_component *component = dai->component;
+ struct sma1303_priv *sma1303 = snd_soc_component_get_drvdata(component);
+
+ switch (clk_id) {
+ case SMA1303_EXTERNAL_CLOCK_19_2:
+ break;
+ case SMA1303_EXTERNAL_CLOCK_24_576:
+ break;
+ case SMA1303_PLL_CLKIN_MCLK:
+ break;
+ case SMA1303_PLL_CLKIN_BCLK:
+ break;
+ default:
+ dev_err(component->dev, "Invalid clk id: %d\n", clk_id);
+ return -EINVAL;
+ }
+ sma1303->sys_clk_id = clk_id;
+ return 0;
+}
+
+static int sma1303_dai_mute(struct snd_soc_dai *dai, int mute, int stream)
+{
+ struct snd_soc_component *component = dai->component;
+ struct sma1303_priv *sma1303 = snd_soc_component_get_drvdata(component);
+ int ret = 0;
+
+ if (stream == SNDRV_PCM_STREAM_CAPTURE)
+ return ret;
+
+ if (mute) {
+ dev_dbg(component->dev, "%s : %s\n", __func__, "MUTE");
+
+ ret += sma1303_regmap_update_bits(sma1303,
+ SMA1303_0E_MUTE_VOL_CTRL,
+ SMA1303_SPK_MUTE_MASK,
+ SMA1303_SPK_MUTE,
+ NULL);
+
+ /* Need to wait time for mute slope */
+ msleep(55);
+ } else {
+ if (!sma1303->force_mute_status) {
+ dev_dbg(component->dev, "%s : %s\n",
+ __func__, "UNMUTE");
+ ret += sma1303_regmap_update_bits(sma1303,
+ SMA1303_0E_MUTE_VOL_CTRL,
+ SMA1303_SPK_MUTE_MASK,
+ SMA1303_SPK_UNMUTE,
+ NULL);
+ } else {
+ dev_dbg(sma1303->dev,
+ "%s : FORCE MUTE!!!\n", __func__);
+ }
+ }
+
+ if (ret < 0)
+ return -EINVAL;
+ return 0;
+}
+
+static int sma1303_dai_set_fmt_amp(struct snd_soc_dai *dai,
+ unsigned int fmt)
+{
+ struct snd_soc_component *component = dai->component;
+ struct sma1303_priv *sma1303 = snd_soc_component_get_drvdata(component);
+ int ret = 0;
+
+ switch (fmt & SND_SOC_DAIFMT_MASTER_MASK) {
+
+ case SND_SOC_DAIFMT_CBC_CFC:
+ dev_dbg(component->dev,
+ "%s : %s\n", __func__, "I2S/TDM Device mode");
+ ret += sma1303_regmap_update_bits(sma1303,
+ SMA1303_01_INPUT1_CTRL1,
+ SMA1303_CONTROLLER_DEVICE_MASK,
+ SMA1303_DEVICE_MODE,
+ NULL);
+ break;
+
+ case SND_SOC_DAIFMT_CBP_CFP:
+ dev_dbg(component->dev,
+ "%s : %s\n", __func__, "I2S/TDM Controller mode");
+ ret += sma1303_regmap_update_bits(sma1303,
+ SMA1303_01_INPUT1_CTRL1,
+ SMA1303_CONTROLLER_DEVICE_MASK,
+ SMA1303_CONTROLLER_MODE,
+ NULL);
+ break;
+
+ default:
+ dev_err(component->dev,
+ "Unsupported Controller/Device : 0x%x\n", fmt);
+ return -EINVAL;
+ }
+
+ switch (fmt & SND_SOC_DAIFMT_FORMAT_MASK) {
+
+ case SND_SOC_DAIFMT_I2S:
+ case SND_SOC_DAIFMT_RIGHT_J:
+ case SND_SOC_DAIFMT_LEFT_J:
+ case SND_SOC_DAIFMT_DSP_A:
+ case SND_SOC_DAIFMT_DSP_B:
+ sma1303->format = fmt & SND_SOC_DAIFMT_FORMAT_MASK;
+ break;
+ default:
+ dev_err(component->dev,
+ "Unsupported Audio Interface Format : 0x%x\n", fmt);
+ return -EINVAL;
+ }
+
+ switch (fmt & SND_SOC_DAIFMT_INV_MASK) {
+
+ case SND_SOC_DAIFMT_IB_NF:
+ dev_dbg(component->dev, "%s : %s\n",
+ __func__, "Invert BCLK + Normal Frame");
+ ret += sma1303_regmap_update_bits(sma1303,
+ SMA1303_01_INPUT1_CTRL1,
+ SMA1303_SCK_RISING_MASK,
+ SMA1303_SCK_RISING_EDGE,
+ NULL);
+ break;
+ case SND_SOC_DAIFMT_IB_IF:
+ dev_dbg(component->dev, "%s : %s\n",
+ __func__, "Invert BCLK + Invert Frame");
+ ret += sma1303_regmap_update_bits(sma1303,
+ SMA1303_01_INPUT1_CTRL1,
+ SMA1303_LEFTPOL_MASK|SMA1303_SCK_RISING_MASK,
+ SMA1303_HIGH_FIRST_CH|SMA1303_SCK_RISING_EDGE,
+ NULL);
+ break;
+ case SND_SOC_DAIFMT_NB_IF:
+ dev_dbg(component->dev, "%s : %s\n",
+ __func__, "Normal BCLK + Invert Frame");
+ ret += sma1303_regmap_update_bits(sma1303,
+ SMA1303_01_INPUT1_CTRL1,
+ SMA1303_LEFTPOL_MASK,
+ SMA1303_HIGH_FIRST_CH,
+ NULL);
+ break;
+ case SND_SOC_DAIFMT_NB_NF:
+ dev_dbg(component->dev, "%s : %s\n",
+ __func__, "Normal BCLK + Normal Frame");
+ break;
+ default:
+ dev_err(component->dev,
+ "Unsupported Bit & Frameclock : 0x%x\n", fmt);
+ return -EINVAL;
+ }
+
+ if (ret < 0)
+ return -EINVAL;
+ return 0;
+}
+
+static int sma1303_dai_set_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 sma1303_priv *sma1303 = snd_soc_component_get_drvdata(component);
+ int ret = 0;
+
+ dev_dbg(component->dev, "%s : slots = %d, slot_width - %d\n",
+ __func__, slots, slot_width);
+
+ sma1303->frame_size = slot_width * slots;
+
+ ret += sma1303_regmap_update_bits(sma1303,
+ SMA1303_A4_TOP_MAN3,
+ SMA1303_O_FORMAT_MASK,
+ SMA1303_O_FMT_TDM,
+ NULL);
+
+ switch (slot_width) {
+ case 16:
+ ret += sma1303_regmap_update_bits(sma1303,
+ SMA1303_A6_TDM2,
+ SMA1303_TDM_DL_MASK,
+ SMA1303_TDM_DL_16,
+ NULL);
+ break;
+ case 32:
+ ret += sma1303_regmap_update_bits(sma1303,
+ SMA1303_A6_TDM2,
+ SMA1303_TDM_DL_MASK,
+ SMA1303_TDM_DL_32,
+ NULL);
+ break;
+ default:
+ dev_err(component->dev, "%s not support TDM %d slot_width\n",
+ __func__, slot_width);
+ break;
+ }
+
+ switch (slots) {
+ case 4:
+ ret += sma1303_regmap_update_bits(sma1303,
+ SMA1303_A6_TDM2,
+ SMA1303_TDM_N_SLOT_MASK,
+ SMA1303_TDM_N_SLOT_4,
+ NULL);
+ break;
+ case 8:
+ ret += sma1303_regmap_update_bits(sma1303,
+ SMA1303_A6_TDM2,
+ SMA1303_TDM_N_SLOT_MASK,
+ SMA1303_TDM_N_SLOT_8,
+ NULL);
+ break;
+ default:
+ dev_err(component->dev, "%s not support TDM %d slots\n",
+ __func__, slots);
+ break;
+ }
+
+ if (sma1303->tdm_slot_rx < slots)
+ ret += sma1303_regmap_update_bits(sma1303,
+ SMA1303_A5_TDM1,
+ SMA1303_TDM_SLOT1_RX_POS_MASK,
+ (sma1303->tdm_slot_rx) << 3,
+ NULL);
+ else
+ dev_err(component->dev, "%s Incorrect tdm-slot-rx %d set\n",
+ __func__, sma1303->tdm_slot_rx);
+
+ ret += sma1303_regmap_update_bits(sma1303,
+ SMA1303_A5_TDM1,
+ SMA1303_TDM_CLK_POL_MASK,
+ SMA1303_TDM_CLK_POL_RISE,
+ NULL);
+
+ ret += sma1303_regmap_update_bits(sma1303,
+ SMA1303_A5_TDM1,
+ SMA1303_TDM_TX_MODE_MASK,
+ SMA1303_TDM_TX_MONO,
+ NULL);
+
+ if (sma1303->tdm_slot_tx < slots)
+ ret += sma1303_regmap_update_bits(sma1303,
+ SMA1303_A6_TDM2,
+ SMA1303_TDM_SLOT1_TX_POS_MASK,
+ (sma1303->tdm_slot_tx) << 3,
+ NULL);
+ else
+ dev_err(component->dev, "%s Incorrect tdm-slot-tx %d set\n",
+ __func__, sma1303->tdm_slot_tx);
+
+ if (ret < 0)
+ return -EINVAL;
+ return 0;
+}
+
+static const struct snd_soc_dai_ops sma1303_dai_ops_amp = {
+ .set_sysclk = sma1303_dai_set_sysclk_amp,
+ .set_fmt = sma1303_dai_set_fmt_amp,
+ .hw_params = sma1303_dai_hw_params_amp,
+ .mute_stream = sma1303_dai_mute,
+ .set_tdm_slot = sma1303_dai_set_tdm_slot,
+};
+
+#define SMA1303_RATES SNDRV_PCM_RATE_8000_192000
+#define SMA1303_FORMATS (SNDRV_PCM_FMTBIT_S16_LE | SNDRV_PCM_FMTBIT_S24_LE | \
+ SNDRV_PCM_FMTBIT_S32_LE)
+
+static struct snd_soc_dai_driver sma1303_dai[] = {
+ {
+ .name = "sma1303-amplifier",
+ .id = 0,
+ .playback = {
+ .stream_name = "Playback",
+ .channels_min = 1,
+ .channels_max = 2,
+ .rates = SMA1303_RATES,
+ .formats = SMA1303_FORMATS,
+ },
+ .capture = {
+ .stream_name = "Capture",
+ .channels_min = 1,
+ .channels_max = 2,
+ .rates = SMA1303_RATES,
+ .formats = SMA1303_FORMATS,
+ },
+ .ops = &sma1303_dai_ops_amp,
+ },
+};
+
+static void sma1303_check_fault_worker(struct work_struct *work)
+{
+ struct sma1303_priv *sma1303 =
+ container_of(work, struct sma1303_priv, check_fault_work.work);
+ int ret = 0;
+ unsigned int over_temp, ocp_val, uvlo_val;
+
+ if (sma1303->tsdw_cnt)
+ ret = sma1303_regmap_read(sma1303,
+ SMA1303_0A_SPK_VOL, &sma1303->cur_vol);
+ else
+ ret = sma1303_regmap_read(sma1303,
+ SMA1303_0A_SPK_VOL, &sma1303->init_vol);
+
+ if (ret != 0) {
+ dev_err(sma1303->dev,
+ "failed to read SMA1303_0A_SPK_VOL : %d\n", ret);
+ return;
+ }
+
+ ret = sma1303_regmap_read(sma1303, SMA1303_FA_STATUS1, &over_temp);
+ if (ret != 0) {
+ dev_err(sma1303->dev,
+ "failed to read SMA1303_FA_STATUS1 : %d\n", ret);
+ return;
+ }
+
+ ret = sma1303_regmap_read(sma1303, SMA1303_FB_STATUS2, &ocp_val);
+ if (ret != 0) {
+ dev_err(sma1303->dev,
+ "failed to read SMA1303_FB_STATUS2 : %d\n", ret);
+ return;
+ }
+
+ ret = sma1303_regmap_read(sma1303, SMA1303_FF_DEVICE_INDEX, &uvlo_val);
+ if (ret != 0) {
+ dev_err(sma1303->dev,
+ "failed to read SMA1303_FF_DEVICE_INDEX : %d\n", ret);
+ return;
+ }
+
+ if (~over_temp & SMA1303_OT1_OK_STATUS) {
+ dev_crit(sma1303->dev,
+ "%s : OT1(Over Temperature Level 1)\n", __func__);
+
+ if ((sma1303->cur_vol + 6) <= 0xFF)
+ sma1303_regmap_write(sma1303,
+ SMA1303_0A_SPK_VOL, sma1303->cur_vol + 6);
+
+ sma1303->tsdw_cnt++;
+ } else if (sma1303->tsdw_cnt) {
+ sma1303_regmap_write(sma1303,
+ SMA1303_0A_SPK_VOL, sma1303->init_vol);
+ sma1303->tsdw_cnt = 0;
+ sma1303->cur_vol = sma1303->init_vol;
+ }
+
+ if (~over_temp & SMA1303_OT2_OK_STATUS) {
+ dev_crit(sma1303->dev,
+ "%s : OT2(Over Temperature Level 2)\n", __func__);
+ }
+ if (ocp_val & SMA1303_OCP_SPK_STATUS) {
+ dev_crit(sma1303->dev,
+ "%s : OCP_SPK(Over Current Protect SPK)\n", __func__);
+ }
+ if (ocp_val & SMA1303_OCP_BST_STATUS) {
+ dev_crit(sma1303->dev,
+ "%s : OCP_BST(Over Current Protect Boost)\n", __func__);
+ }
+ if ((ocp_val & SMA1303_CLK_MON_STATUS) && (sma1303->amp_power_status)) {
+ dev_crit(sma1303->dev,
+ "%s : CLK_FAULT(No clock input)\n", __func__);
+ }
+ if (uvlo_val & SMA1303_UVLO_BST_STATUS) {
+ dev_crit(sma1303->dev,
+ "%s : UVLO(Under Voltage Lock Out)\n", __func__);
+ }
+
+ if ((over_temp != sma1303->last_over_temp) ||
+ (ocp_val != sma1303->last_ocp_val)) {
+
+ dev_crit(sma1303->dev, "Please check AMP status");
+ dev_dbg(sma1303->dev, "STATUS1=0x%02X : STATUS2=0x%02X\n",
+ over_temp, ocp_val);
+ sma1303->last_over_temp = over_temp;
+ sma1303->last_ocp_val = ocp_val;
+ }
+
+ if (sma1303->check_fault_status) {
+ if (sma1303->check_fault_period > 0)
+ queue_delayed_work(system_freezable_wq,
+ &sma1303->check_fault_work,
+ sma1303->check_fault_period * HZ);
+ else
+ queue_delayed_work(system_freezable_wq,
+ &sma1303->check_fault_work,
+ CHECK_PERIOD_TIME * HZ);
+ }
+
+ if (!(~over_temp & SMA1303_OT1_OK_STATUS)
+ && !(~over_temp & SMA1303_OT2_OK_STATUS)
+ && !(ocp_val & SMA1303_OCP_SPK_STATUS)
+ && !(ocp_val & SMA1303_OCP_BST_STATUS)
+ && !(ocp_val & SMA1303_CLK_MON_STATUS)
+ && !(uvlo_val & SMA1303_UVLO_BST_STATUS)) {
+ }
+}
+
+static int sma1303_probe(struct snd_soc_component *component)
+{
+ struct snd_soc_dapm_context *dapm =
+ snd_soc_component_get_dapm(component);
+
+ snd_soc_dapm_sync(dapm);
+
+ return 0;
+}
+
+static void sma1303_remove(struct snd_soc_component *component)
+{
+ struct sma1303_priv *sma1303 = snd_soc_component_get_drvdata(component);
+
+ cancel_delayed_work_sync(&sma1303->check_fault_work);
+}
+
+static const struct snd_soc_component_driver sma1303_component = {
+ .probe = sma1303_probe,
+ .remove = sma1303_remove,
+ .controls = sma1303_snd_controls,
+ .num_controls = ARRAY_SIZE(sma1303_snd_controls),
+ .dapm_widgets = sma1303_dapm_widgets,
+ .num_dapm_widgets = ARRAY_SIZE(sma1303_dapm_widgets),
+ .dapm_routes = sma1303_audio_map,
+ .num_dapm_routes = ARRAY_SIZE(sma1303_audio_map),
+};
+
+static const struct regmap_config sma_i2c_regmap = {
+ .reg_bits = 8,
+ .val_bits = 8,
+
+ .max_register = SMA1303_FF_DEVICE_INDEX,
+ .readable_reg = sma1303_readable_register,
+ .writeable_reg = sma1303_writeable_register,
+ .volatile_reg = sma1303_volatile_register,
+
+ .cache_type = REGCACHE_NONE,
+ .reg_defaults = sma1303_reg_def,
+ .num_reg_defaults = ARRAY_SIZE(sma1303_reg_def),
+};
+
+static ssize_t check_fault_period_show(struct device *dev,
+ struct device_attribute *devattr, char *buf)
+{
+ struct sma1303_priv *sma1303 = dev_get_drvdata(dev);
+
+ return sysfs_emit(buf, "%ld\n", sma1303->check_fault_period);
+}
+
+static ssize_t check_fault_period_store(struct device *dev,
+ struct device_attribute *devattr, const char *buf, size_t count)
+{
+ struct sma1303_priv *sma1303 = dev_get_drvdata(dev);
+ int ret;
+
+ ret = kstrtol(buf, 10, &sma1303->check_fault_period);
+
+ if (ret)
+ return -EINVAL;
+
+ return (ssize_t)count;
+}
+
+static DEVICE_ATTR_RW(check_fault_period);
+
+static ssize_t check_fault_status_show(struct device *dev,
+ struct device_attribute *devattr, char *buf)
+{
+ struct sma1303_priv *sma1303 = dev_get_drvdata(dev);
+
+ return sysfs_emit(buf, "%ld\n", sma1303->check_fault_status);
+}
+
+static ssize_t check_fault_status_store(struct device *dev,
+ struct device_attribute *devattr, const char *buf, size_t count)
+{
+ struct sma1303_priv *sma1303 = dev_get_drvdata(dev);
+ int ret;
+
+ ret = kstrtol(buf, 10, &sma1303->check_fault_status);
+
+ if (ret)
+ return -EINVAL;
+
+ if (sma1303->check_fault_status) {
+ if (sma1303->check_fault_period > 0)
+ queue_delayed_work(system_freezable_wq,
+ &sma1303->check_fault_work,
+ sma1303->check_fault_period * HZ);
+ else
+ queue_delayed_work(system_freezable_wq,
+ &sma1303->check_fault_work,
+ CHECK_PERIOD_TIME * HZ);
+ }
+
+ return (ssize_t)count;
+}
+
+static DEVICE_ATTR_RW(check_fault_status);
+
+static struct attribute *sma1303_attr[] = {
+ &dev_attr_check_fault_period.attr,
+ &dev_attr_check_fault_status.attr,
+ NULL,
+};
+
+static struct attribute_group sma1303_attr_group = {
+ .attrs = sma1303_attr,
+};
+
+static int sma1303_i2c_probe(struct i2c_client *client)
+{
+ struct sma1303_priv *sma1303;
+ int ret, i = 0;
+ unsigned int device_info, status, otp_stat;
+
+ sma1303 = devm_kzalloc(&client->dev,
+ sizeof(struct sma1303_priv), GFP_KERNEL);
+ if (!sma1303)
+ return -ENOMEM;
+ sma1303->dev = &client->dev;
+
+ sma1303->regmap = devm_regmap_init_i2c(client, &sma_i2c_regmap);
+ if (IS_ERR(sma1303->regmap)) {
+ ret = PTR_ERR(sma1303->regmap);
+ dev_err(&client->dev,
+ "Failed to allocate register map: %d\n", ret);
+
+ return ret;
+ }
+
+ ret = sma1303_regmap_read(sma1303,
+ SMA1303_FF_DEVICE_INDEX, &device_info);
+
+ if ((ret != 0) || ((device_info & 0xF8) != SMA1303_DEVICE_ID)) {
+ dev_err(&client->dev, "device initialization error (%d 0x%02X)",
+ ret, device_info);
+ }
+ dev_dbg(&client->dev, "chip version 0x%02X\n", device_info);
+
+ ret += sma1303_regmap_update_bits(sma1303,
+ SMA1303_00_SYSTEM_CTRL,
+ SMA1303_RESETBYI2C_MASK, SMA1303_RESETBYI2C_RESET,
+ NULL);
+
+ ret += sma1303_regmap_read(sma1303, SMA1303_FF_DEVICE_INDEX, &status);
+ sma1303->rev_num = status & SMA1303_REV_NUM_STATUS;
+ if (sma1303->rev_num == SMA1303_REV_NUM_TV0)
+ dev_dbg(&client->dev, "SMA1303 Trimming Version 0\n");
+ else if (sma1303->rev_num == SMA1303_REV_NUM_TV1)
+ dev_dbg(&client->dev, "SMA1303 Trimming Version 1\n");
+
+ ret += sma1303_regmap_read(sma1303, SMA1303_FB_STATUS2, &otp_stat);
+ if (ret < 0)
+ dev_err(&client->dev,
+ "failed to read, register: %02X, ret: %d\n",
+ SMA1303_FF_DEVICE_INDEX, ret);
+
+ if (((sma1303->rev_num == SMA1303_REV_NUM_TV0) &&
+ ((otp_stat & 0x0E) == SMA1303_OTP_STAT_OK_0)) ||
+ ((sma1303->rev_num != SMA1303_REV_NUM_TV0) &&
+ ((otp_stat & 0x0C) == SMA1303_OTP_STAT_OK_1)))
+ dev_dbg(&client->dev, "SMA1303 OTP Status Successful\n");
+ else
+ dev_dbg(&client->dev, "SMA1303 OTP Status Fail\n");
+
+ for (i = 0; i < (unsigned int)ARRAY_SIZE(sma1303_reg_def); i++)
+ ret += sma1303_regmap_write(sma1303,
+ sma1303_reg_def[i].reg,
+ sma1303_reg_def[i].def);
+
+ sma1303->amp_mode = SMA1303_MONO;
+ sma1303->amp_power_status = false;
+ sma1303->check_fault_period = CHECK_PERIOD_TIME;
+ sma1303->check_fault_status = true;
+ sma1303->force_mute_status = false;
+ sma1303->init_vol = 0x31;
+ sma1303->cur_vol = sma1303->init_vol;
+ sma1303->last_bclk = 0;
+ sma1303->last_ocp_val = 0x08;
+ sma1303->last_over_temp = 0xC0;
+ sma1303->tsdw_cnt = 0;
+ sma1303->retry_cnt = SMA1303_I2C_RETRY_COUNT;
+ sma1303->tdm_slot_rx = 0;
+ sma1303->tdm_slot_tx = 0;
+ sma1303->sys_clk_id = SMA1303_PLL_CLKIN_BCLK;
+
+ sma1303->dev = &client->dev;
+ sma1303->kobj = &client->dev.kobj;
+
+ INIT_DELAYED_WORK(&sma1303->check_fault_work,
+ sma1303_check_fault_worker);
+
+ i2c_set_clientdata(client, sma1303);
+
+ sma1303->pll_matches = sma1303_pll_matches;
+ sma1303->num_of_pll_matches =
+ ARRAY_SIZE(sma1303_pll_matches);
+
+ ret = devm_snd_soc_register_component(&client->dev,
+ &sma1303_component, sma1303_dai, 1);
+ if (ret) {
+ dev_err(&client->dev, "Failed to register component");
+
+ return ret;
+ }
+
+ sma1303->attr_grp = &sma1303_attr_group;
+ ret = sysfs_create_group(sma1303->kobj, sma1303->attr_grp);
+ if (ret) {
+ dev_err(&client->dev,
+ "failed to create attribute group [%d]\n", ret);
+ sma1303->attr_grp = NULL;
+ }
+
+ return ret;
+}
+
+static void sma1303_i2c_remove(struct i2c_client *client)
+{
+ struct sma1303_priv *sma1303 =
+ (struct sma1303_priv *) i2c_get_clientdata(client);
+
+ cancel_delayed_work_sync(&sma1303->check_fault_work);
+}
+
+static const struct i2c_device_id sma1303_i2c_id[] = {
+ {"sma1303", 0},
+ {}
+};
+MODULE_DEVICE_TABLE(i2c, sma1303_i2c_id);
+
+static const struct of_device_id sma1303_of_match[] = {
+ { .compatible = "irondevice,sma1303", },
+ { }
+};
+MODULE_DEVICE_TABLE(of, sma1303_of_match);
+
+static struct i2c_driver sma1303_i2c_driver = {
+ .driver = {
+ .name = "sma1303",
+ .of_match_table = sma1303_of_match,
+ },
+ .probe = sma1303_i2c_probe,
+ .remove = sma1303_i2c_remove,
+ .id_table = sma1303_i2c_id,
+};
+
+module_i2c_driver(sma1303_i2c_driver);
+
+MODULE_DESCRIPTION("ALSA SoC SMA1303 driver");
+MODULE_AUTHOR("Gyuhwa Park, <gyuhwa.park@irondevice.com>");
+MODULE_AUTHOR("Kiseok Jo, <kiseok.jo@irondevice.com>");
+MODULE_LICENSE("GPL v2");
Copyright © 1996 – 2023 Jason A. Donenfeld. All Rights Reverse Engineered.