@@ -206,6 +206,7 @@ config SND_SOC_ALL_CODECS
imply SND_SOC_SI476X
imply SND_SOC_SIMPLE_AMPLIFIER
imply SND_SOC_SIMPLE_MUX
+ imply SND_SOC_SMA1303
imply SND_SOC_SPDIF
imply SND_SOC_SRC4XXX_I2C
imply SND_SOC_SSM2305
@@ -1492,6 +1493,12 @@ config SND_SOC_SIMPLE_MUX
tristate "Simple Audio Mux"
depends on GPIOLIB
+config SND_SOC_SMA1303
+ tristate "Iron Device SMA1303 Audio Amplifier"
+ depends on I2C
+ help
+ Enable support for Iron Device SMA1303 Boosted Class-D amplifier
+
config SND_SOC_SPDIF
tristate "S/PDIF CODEC"
@@ -233,6 +233,7 @@ snd-soc-sigmadsp-objs := sigmadsp.o
snd-soc-sigmadsp-i2c-objs := sigmadsp-i2c.o
snd-soc-sigmadsp-regmap-objs := sigmadsp-regmap.o
snd-soc-si476x-objs := si476x.o
+snd-soc-sma1303-objs := sma1303.o
snd-soc-spdif-tx-objs := spdif_transmitter.o
snd-soc-spdif-rx-objs := spdif_receiver.o
snd-soc-src4xxx-objs := src4xxx.o
@@ -588,6 +589,7 @@ obj-$(CONFIG_SND_SOC_SIGMADSP) += snd-soc-sigmadsp.o
obj-$(CONFIG_SND_SOC_SIGMADSP_I2C) += snd-soc-sigmadsp-i2c.o
obj-$(CONFIG_SND_SOC_SIGMADSP_REGMAP) += snd-soc-sigmadsp-regmap.o
obj-$(CONFIG_SND_SOC_SI476X) += snd-soc-si476x.o
+obj-$(CONFIG_SND_SOC_SMA1303) += snd-soc-sma1303.o
obj-$(CONFIG_SND_SOC_SPDIF) += snd-soc-spdif-rx.o snd-soc-spdif-tx.o
obj-$(CONFIG_SND_SOC_SRC4XXX) += snd-soc-src4xxx.o
obj-$(CONFIG_SND_SOC_SRC4XXX_I2C) += snd-soc-src4xxx-i2c.o
new file mode 100644
@@ -0,0 +1,2117 @@
+// SPDX-License-Identifier: GPL-2.0-or-later
+/* sma1303.c -- sma1303 ALSA SoC Audio driver
+ *
+ * Copyright 2022 Iron Device Corporation
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License version 2 as
+ * published by the Free Software Foundation.
+ */
+
+#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 <linux/version.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/of_device.h>
+#include <linux/slab.h>
+#include <asm/div64.h>
+
+#include "sma1303.h"
+
+#define CHECK_PERIOD_TIME 1 /* sec per HZ */
+
+#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 device *dev;
+ struct attribute_group *attr_grp;
+ struct kobject *kobj;
+ struct regmap *regmap;
+ struct sma1303_pll_match *pll_matches;
+ struct mutex lock;
+ struct delayed_work check_fault_work;
+ bool amp_power_status;
+ bool usage_status;
+ int num_of_pll_matches;
+ unsigned int sys_clk_id;
+ unsigned int init_vol;
+ unsigned int cur_vol;
+ unsigned int tdm_slot_rx;
+ unsigned int tdm_slot_tx;
+ unsigned int tsdw_cnt;
+ unsigned int format;
+ unsigned int rev_num;
+ unsigned int last_over_temp;
+ unsigned int last_ocp_val;
+ unsigned int last_bclk;
+ unsigned int frame_size;
+ unsigned int amp_mode;
+ 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;
+ }
+ 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;
+ }
+ 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;
+ }
+ return result;
+}
+
+static const DECLARE_TLV_DB_SCALE(sma1303_spk_tlv, -6000, 50, 0);
+
+static int sma1303_regmap_write(struct regmap *map, struct device *dev,
+ unsigned int reg, unsigned int val)
+{
+ int ret = 0;
+
+ ret = regmap_write(map, reg, val);
+ if (ret < 0) {
+ dev_err(dev, "Failed to write, register: 0x%02X, ret: %d\n",
+ reg, ret);
+ }
+ return ret;
+}
+
+static int sma1303_regmap_update_bits(struct regmap *map, struct device *dev,
+ unsigned int reg, unsigned int mask, unsigned int val)
+{
+ int ret = 0;
+
+ ret = regmap_update_bits(map, reg, mask, val);
+ if (ret < 0) {
+ dev_err(dev, "Failed to write, register: 0x%02X, ret: %d\n",
+ reg, ret);
+ }
+ return ret;
+}
+
+static int bytes_ext_get(struct snd_kcontrol *kcontrol,
+ struct snd_ctl_elem_value *ucontrol, int reg)
+{
+ struct snd_soc_component *component =
+ snd_soc_kcontrol_component(kcontrol);
+ struct sma1303_priv *sma1303 = snd_soc_component_get_drvdata(component);
+ struct soc_bytes_ext *params = (void *)kcontrol->private_value;
+ unsigned int i, reg_val;
+ u8 *val;
+ int ret = -1;
+
+ if (component == NULL) {
+ pr_err("%s:component is NULL\n", __func__);
+ return ret;
+ }
+ if (sma1303 == NULL) {
+ pr_err("%s:sma1303 is NULL\n", __func__);
+ return ret;
+ }
+ val = (u8 *)ucontrol->value.bytes.data;
+ for (i = 0; i < params->max; i++) {
+ ret = regmap_read(sma1303->regmap, reg + i, ®_val);
+ if (ret < 0) {
+ dev_err(component->dev,
+ "Failed to read, register: %x ret: %d\n",
+ reg + i, ret);
+ return ret;
+ }
+ if (sizeof(reg_val) > 2)
+ reg_val = cpu_to_le32(reg_val);
+ else
+ reg_val = cpu_to_le16(reg_val);
+ memcpy(val + i, ®_val, sizeof(u8));
+ }
+
+ return 0;
+}
+
+static int bytes_ext_put(struct snd_kcontrol *kcontrol,
+ struct snd_ctl_elem_value *ucontrol, int reg)
+{
+ struct snd_soc_component *component =
+ snd_soc_kcontrol_component(kcontrol);
+ struct sma1303_priv *sma1303 = snd_soc_component_get_drvdata(component);
+ struct soc_bytes_ext *params = (void *)kcontrol->private_value;
+ void *data;
+ u8 *val;
+ int i, ret = -1;
+
+ if (component == NULL) {
+ pr_err("%s:component is NULL\n", __func__);
+ return ret;
+ }
+ if (sma1303 == NULL) {
+ pr_err("%s:sma1303 is NULL\n", __func__);
+ return ret;
+ }
+ data = kmemdup(ucontrol->value.bytes.data,
+ params->max, GFP_KERNEL | GFP_DMA);
+ if (!data)
+ return -ENOMEM;
+
+ val = (u8 *)data;
+ for (i = 0; i < params->max; i++) {
+ ret = sma1303_regmap_write(
+ sma1303->regmap, component->dev,
+ reg + i, *(val + i));
+ if (ret < 0) {
+ kfree(data);
+ return ret;
+ }
+ }
+ kfree(data);
+
+ return 0;
+}
+
+static int amp_usage_status_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 ret = -1;
+
+ if (component == NULL) {
+ pr_err("%s:component is NULL\n", __func__);
+ return ret;
+ }
+ if (sma1303 == NULL) {
+ pr_err("%s:sma1303 is NULL\n", __func__);
+ return ret;
+ }
+ ucontrol->value.integer.value[0] = sma1303->usage_status;
+
+ if (sma1303->usage_status)
+ dev_info(component->dev, "Amplifier Power Control Enabled\n");
+ else
+ dev_info(component->dev, "Amplifier Power Control Disabled\n");
+
+ return 0;
+}
+
+static int amp_usage_status_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 = -1;
+
+ if (component == NULL) {
+ pr_err("%s:component is NULL\n", __func__);
+ return ret;
+ }
+ if (sma1303 == NULL) {
+ pr_err("%s:sma1303 is NULL\n", __func__);
+ return ret;
+ }
+
+ if ((sma1303->usage_status
+ != ucontrol->value.integer.value[0])
+ && (!ucontrol->value.integer.value[0])) {
+ dev_info(component->dev, "%s\n", "Force AMP Power Down");
+ ret = sma1303_shutdown(component);
+ if (ret < 0) {
+ ucontrol->value.integer.value[0]
+ = sma1303->usage_status;
+ return ret;
+ }
+
+ }
+ sma1303->usage_status = ucontrol->value.integer.value[0];
+
+ return 0;
+}
+
+static const char * const sma1303_amp_mode_text[] = {
+ "1 Chip", "Mono on 2 chips", "Left in 2 chips", "Right in 2chips"};
+
+static const struct soc_enum sma1303_amp_mode_enum =
+ SOC_ENUM_SINGLE_EXT(ARRAY_SIZE(sma1303_amp_mode_text),
+ sma1303_amp_mode_text);
+static int sma1303_amp_mode_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 ret = -1;
+
+ if (component == NULL) {
+ pr_err("%s:component is NULL\n", __func__);
+ return ret;
+ }
+ if (sma1303 == NULL) {
+ pr_err("%s:sma1303 is NULL\n", __func__);
+ return ret;
+ }
+ ucontrol->value.integer.value[0] = sma1303->amp_mode;
+
+ switch (sma1303->amp_mode) {
+ case ONE_CHIP_SOLUTION:
+ dev_info(component->dev, "Amplifier 1 Chip Solution\n");
+ break;
+ case MONO_TWO_CHIP_SOLUTION:
+ dev_info(component->dev, "Amplifier Mono 2 Chips Solution\n");
+ break;
+ case LEFT_TWO_CHIP_SOLUTION:
+ dev_info(component->dev, "Amplifier Stereo(Left) 2 Chips Solution\n");
+ break;
+ case RIGHT_TWO_CHIP_SOLUTION:
+ dev_info(component->dev, "Amplifier Stereo(Right) 2 Chips Solution\n");
+ break;
+ default:
+ dev_err(component->dev, "Invalid Value");
+ return ret;
+ }
+ return 0;
+
+}
+
+static int sma1303_amp_mode_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 = 0;
+
+ if (component == NULL) {
+ pr_err("%s:component is NULL\n", __func__);
+ return -1;
+ }
+ if (sma1303 == NULL) {
+ pr_err("%s:sma1303 is NULL\n", __func__);
+ return -1;
+ }
+
+ sma1303->amp_mode = ucontrol->value.integer.value[0];
+
+ switch (sma1303->amp_mode) {
+ case ONE_CHIP_SOLUTION:
+ case MONO_TWO_CHIP_SOLUTION:
+ ret += sma1303_regmap_update_bits(
+ sma1303->regmap, component->dev,
+ SMA1303_11_SYSTEM_CTRL2,
+ MONOMIX_MASK, MONOMIX_ON);
+ ret += sma1303_regmap_update_bits(
+ sma1303->regmap, component->dev,
+ SMA1303_11_SYSTEM_CTRL2,
+ LR_DATA_SW_MASK, LR_DATA_SW_NORMAL);
+ break;
+ case LEFT_TWO_CHIP_SOLUTION:
+ ret += sma1303_regmap_update_bits(
+ sma1303->regmap, component->dev,
+ SMA1303_11_SYSTEM_CTRL2,
+ MONOMIX_MASK, MONOMIX_OFF);
+ ret += sma1303_regmap_update_bits(
+ sma1303->regmap, component->dev,
+ SMA1303_11_SYSTEM_CTRL2,
+ LR_DATA_SW_MASK, LR_DATA_SW_NORMAL);
+ break;
+ case RIGHT_TWO_CHIP_SOLUTION:
+ ret += sma1303_regmap_update_bits(
+ sma1303->regmap, component->dev,
+ SMA1303_11_SYSTEM_CTRL2,
+ MONOMIX_MASK, MONOMIX_OFF);
+ ret += sma1303_regmap_update_bits(
+ sma1303->regmap, component->dev,
+ SMA1303_11_SYSTEM_CTRL2,
+ LR_DATA_SW_MASK, LR_DATA_SW_SWAP);
+ break;
+ default:
+ dev_err(component->dev, "Invalid Value");
+ ret += -1;
+ }
+
+ return ret;
+}
+
+static const char * const sma1303_outport_config_text[] = {
+ "Enable", "Disable"};
+
+static const struct soc_enum sma1303_outport_config_enum =
+ SOC_ENUM_SINGLE_EXT(ARRAY_SIZE(sma1303_outport_config_text),
+ sma1303_outport_config_text);
+
+static int sma1303_outport_config_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 ret = -1, data, val;
+
+ if (component == NULL) {
+ pr_err("%s:component is NULL\n", __func__);
+ return ret;
+ }
+ if (sma1303 == NULL) {
+ pr_err("%s:sma1303 is NULL\n", __func__);
+ return ret;
+ }
+
+ ret = regmap_read(sma1303->regmap, SMA1303_09_OUTPUT_CTRL, &data);
+ if (ret < 0) {
+ dev_err(component->dev,
+ "Failed to read, register: %x ret: %d\n",
+ SMA1303_09_OUTPUT_CTRL, ret);
+ return ret;
+ }
+
+ val = data & PORT_CONFIG_MASK;
+ switch (val) {
+ case INPUT_PORT_ONLY:
+ ucontrol->value.integer.value[0] = 1;
+ break;
+ case OUTPUT_PORT_ENABLE:
+ ucontrol->value.integer.value[0] = 0;
+ break;
+ default:
+ dev_err(component->dev,
+ "Invalid value, register: %x value: %d\n",
+ SMA1303_09_OUTPUT_CTRL, val);
+ return ret;
+ }
+
+ return 0;
+}
+
+static int sma1303_outport_config_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 sel = (int)ucontrol->value.integer.value[0];
+ int val, ret = -1;
+
+ if (component == NULL) {
+ pr_err("%s:component is NULL\n", __func__);
+ return ret;
+ }
+ if (sma1303 == NULL) {
+ pr_err("%s:sma1303 is NULL\n", __func__);
+ return ret;
+ }
+
+ switch (sel) {
+ case 0:
+ val = OUTPUT_PORT_ENABLE;
+ break;
+ case 1:
+ val = INPUT_PORT_ONLY;
+ break;
+ default:
+ dev_err(component->dev,
+ "Invalid value, register: %x\n",
+ SMA1303_09_OUTPUT_CTRL);
+ return ret;
+ }
+
+ return sma1303_regmap_update_bits(sma1303->regmap, component->dev,
+ SMA1303_09_OUTPUT_CTRL, PORT_CONFIG_MASK, val);
+}
+
+static const char * const sma1303_spkmute_text[] = {
+ "Unmute", "Mute"};
+
+static const struct soc_enum sma1303_spkmute_enum =
+ SOC_ENUM_SINGLE(SMA1303_0E_MUTE_VOL_CTRL, 0,
+ ARRAY_SIZE(sma1303_spkmute_text),
+ sma1303_spkmute_text);
+
+static const char * const sma1303_spkmode_text[] = {
+ "Off", "On"};
+
+static const struct soc_enum sma1303_spkmode_enum =
+ SOC_ENUM_SINGLE_EXT(ARRAY_SIZE(sma1303_spkmode_text),
+ sma1303_spkmode_text);
+
+static int sma1303_spkmode_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, data, ret = -1;
+
+ if (component == NULL) {
+ pr_err("%s:component is NULL\n", __func__);
+ return ret;
+ }
+ if (sma1303 == NULL) {
+ pr_err("%s:sma1303 is NULL\n", __func__);
+ return ret;
+ }
+
+ ret = regmap_read(sma1303->regmap, SMA1303_10_SYSTEM_CTRL1, &data);
+ if (ret < 0) {
+ dev_err(component->dev,
+ "Failed to read, register: %x ret: %d\n",
+ SMA1303_10_SYSTEM_CTRL1, ret);
+ return ret;
+ }
+
+ val = data & SPK_MODE_MASK;
+ if (sma1303->amp_mode == ONE_CHIP_SOLUTION) {
+ switch (val) {
+ case SPK_OFF:
+ ucontrol->value.integer.value[0] = 0;
+ break;
+ case SPK_MONO:
+ ucontrol->value.integer.value[0] = 1;
+ break;
+ default:
+ dev_err(component->dev,
+ "Invalid value, register: %x\n",
+ SMA1303_10_SYSTEM_CTRL1);
+ return ret;
+ }
+ } else {
+ switch (val) {
+ case SPK_OFF:
+ ucontrol->value.integer.value[0] = 0;
+ break;
+ case SPK_STEREO:
+ ucontrol->value.integer.value[0] = 1;
+ break;
+ default:
+ dev_err(component->dev,
+ "Invalid value, register: %x\n",
+ SMA1303_10_SYSTEM_CTRL1);
+ return ret;
+ }
+ }
+
+ return 0;
+}
+
+static int sma1303_spkmode_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 sel = (int)ucontrol->value.integer.value[0];
+ int val, ret = -1;
+
+ if (component == NULL) {
+ pr_err("%s:component is NULL\n", __func__);
+ return ret;
+ }
+ if (sma1303 == NULL) {
+ pr_err("%s:sma1303 is NULL\n", __func__);
+ return ret;
+ }
+
+ switch (sel) {
+ case 0:
+ val = SPK_OFF;
+ break;
+ case 1:
+ if (sma1303->amp_mode == ONE_CHIP_SOLUTION)
+ val = SPK_MONO;
+ else
+ val = SPK_STEREO;
+ break;
+ default:
+ dev_err(component->dev,
+ "Invalid value, register: %x\n",
+ SMA1303_10_SYSTEM_CTRL1);
+ return ret;
+ }
+
+ return sma1303_regmap_update_bits(sma1303->regmap, component->dev,
+ SMA1303_10_SYSTEM_CTRL1, SPK_MODE_MASK, val);
+}
+
+static int postscaler_get(struct snd_kcontrol *kcontrol,
+ struct snd_ctl_elem_value *ucontrol)
+{
+ return bytes_ext_get(kcontrol, ucontrol, SMA1303_90_POSTSCALER);
+}
+
+static int postscaler_put(struct snd_kcontrol *kcontrol,
+ struct snd_ctl_elem_value *ucontrol)
+{
+ return bytes_ext_put(kcontrol, ucontrol, SMA1303_90_POSTSCALER);
+}
+
+static const char * const sma1303_postscaler_config_text[] = {
+ "Enable", "Disable"};
+
+static const struct soc_enum sma1303_postscaler_config_enum =
+ SOC_ENUM_SINGLE_EXT(ARRAY_SIZE(sma1303_postscaler_config_text),
+ sma1303_postscaler_config_text);
+
+static int sma1303_postscaler_config_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 ret = -1, data, val;
+
+ if (component == NULL) {
+ pr_err("%s:component is NULL\n", __func__);
+ return ret;
+ }
+ if (sma1303 == NULL) {
+ pr_err("%s:sma1303 is NULL\n", __func__);
+ return ret;
+ }
+
+ ret = regmap_read(sma1303->regmap, SMA1303_90_POSTSCALER, &data);
+ if (ret < 0) {
+ dev_err(component->dev,
+ "Failed to read, register: %x ret: %d\n",
+ SMA1303_90_POSTSCALER, ret);
+ return ret;
+ }
+
+ val = data & BYP_POST_MASK;
+ switch (val) {
+ case BYP_POST_SCALER:
+ ucontrol->value.integer.value[0] = 1;
+ break;
+ case EN_POST_SCALER:
+ ucontrol->value.integer.value[0] = 0;
+ break;
+ default:
+ dev_err(component->dev,
+ "Invalid value, register: %x value: %d\n",
+ SMA1303_90_POSTSCALER, val);
+ return ret;
+ }
+
+ return 0;
+}
+
+static int sma1303_postscaler_config_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 sel = (int)ucontrol->value.integer.value[0];
+ int val, ret = -1;
+
+ if (component == NULL) {
+ pr_err("%s:component is NULL\n", __func__);
+ return ret;
+ }
+ if (sma1303 == NULL) {
+ pr_err("%s:sma1303 is NULL\n", __func__);
+ return ret;
+ }
+
+ switch (sel) {
+ case 0:
+ val = EN_POST_SCALER;
+ break;
+ case 1:
+ val = BYP_POST_SCALER;
+ break;
+ default:
+ dev_err(component->dev,
+ "Invalid value, register: %x\n",
+ SMA1303_90_POSTSCALER);
+ return ret;
+ }
+
+ return sma1303_regmap_update_bits(sma1303->regmap, component->dev,
+ SMA1303_90_POSTSCALER, BYP_POST_MASK, val);
+}
+
+static const char * const sma1303_o_format_text[] = {
+ "LJ", "I2S", "TDM"};
+
+static const struct soc_enum sma1303_o_format_enum =
+SOC_ENUM_SINGLE_EXT(ARRAY_SIZE(sma1303_o_format_text), sma1303_o_format_text);
+
+static int sma1303_o_format_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, data, ret = -1;
+
+ if (component == NULL) {
+ pr_err("%s:component is NULL\n", __func__);
+ return ret;
+ }
+ if (sma1303 == NULL) {
+ pr_err("%s:sma1303 is NULL\n", __func__);
+ return ret;
+ }
+
+ ret = regmap_read(sma1303->regmap, SMA1303_A4_TOP_MAN3, &data);
+ val = data & O_FORMAT_MASK;
+ switch (val) {
+ case O_FMT_LJ:
+ ucontrol->value.integer.value[0] = 0;
+ break;
+ case O_FMT_I2S:
+ ucontrol->value.integer.value[0] = 1;
+ break;
+ case O_FMT_TDM:
+ ucontrol->value.integer.value[0] = 2;
+ break;
+ default:
+ dev_err(component->dev,
+ "Invalid value, register: %x\n",
+ SMA1303_A4_TOP_MAN3);
+ return ret;
+ }
+
+ return 0;
+}
+static int sma1303_o_format_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 sel = (int)ucontrol->value.integer.value[0];
+ int val, ret = -1;
+
+ if (component == NULL) {
+ pr_err("%s:component is NULL\n", __func__);
+ return ret;
+ }
+ if (sma1303 == NULL) {
+ pr_err("%s:sma1303 is NULL\n", __func__);
+ return ret;
+ }
+
+ switch (sel) {
+ case 0:
+ val = O_FMT_LJ;
+ break;
+ case 1:
+ val = O_FMT_I2S;
+ break;
+ case 2:
+ val = O_FMT_TDM;
+ break;
+ default:
+ dev_err(component->dev,
+ "Invalid value, register: %x\n",
+ SMA1303_A4_TOP_MAN3);
+ return ret;
+ }
+
+ return sma1303_regmap_update_bits(sma1303->regmap, component->dev,
+ SMA1303_A4_TOP_MAN3, O_FORMAT_MASK, val);
+}
+
+static const char * const sma1303_sdo_source_texts[] = {
+ "Disable", "Format_C", "Mixer_Out", "After_DSP", "After_Post"};
+static const unsigned int sma1303_sdo_source_values[] = {
+ OUT_SEL_DISABLE,
+ FORMAT_CONVERTER,
+ MIXER_OUTPUT,
+ SPEAKER_PATH,
+ POSTSCALER_OUTPUT};
+static SOC_VALUE_ENUM_SINGLE_DECL(sma1303_sdo_source_enum,
+ SMA1303_09_OUTPUT_CTRL,
+ 0, PORT_OUT_SEL_MASK,
+ sma1303_sdo_source_texts,
+ sma1303_sdo_source_values);
+static const struct snd_kcontrol_new sma1303_sdo_source_mux =
+ SOC_DAPM_ENUM("SDO Source", sma1303_sdo_source_enum);
+
+static const struct snd_kcontrol_new sma1303_snd_controls[] = {
+SOC_SINGLE_EXT("Amplifier Usage", SND_SOC_NOPM, 0, 1, 0,
+ amp_usage_status_get, amp_usage_status_put),
+SOC_ENUM_EXT("Amplifier Mode", sma1303_amp_mode_enum,
+ sma1303_amp_mode_get, sma1303_amp_mode_put),
+SOC_ENUM_EXT("Outport config", sma1303_outport_config_enum,
+ sma1303_outport_config_get, sma1303_outport_config_put),
+SOC_SINGLE_TLV("Speaker Volume", SMA1303_0A_SPK_VOL,
+ 0, 167, 1, sma1303_spk_tlv),
+SOC_ENUM("Speaker Mute Switch", sma1303_spkmute_enum),
+SOC_ENUM_EXT("Speaker Output", sma1303_spkmode_enum,
+ sma1303_spkmode_get, sma1303_spkmode_put),
+SND_SOC_BYTES_EXT("Postscaler Set", 1,
+ postscaler_get, postscaler_put),
+SOC_ENUM_EXT("Postscaler Config", sma1303_postscaler_config_enum,
+ sma1303_postscaler_config_get, sma1303_postscaler_config_put),
+SOC_ENUM_EXT("Output Format", sma1303_o_format_enum,
+ sma1303_o_format_get, sma1303_o_format_put),
+};
+
+static int sma1303_startup(struct snd_soc_component *component)
+{
+ struct sma1303_priv *sma1303 = snd_soc_component_get_drvdata(component);
+ int ret = 0;
+
+ if (sma1303->amp_power_status) {
+ dev_info(component->dev, "%s : %s\n",
+ __func__, "Already AMP Power on");
+ return ret;
+ }
+
+ ret += sma1303_regmap_update_bits(sma1303->regmap, component->dev,
+ SMA1303_8E_PLL_CTRL, PLL_PD2_MASK, PLL_OPERATION2);
+
+ ret += sma1303_regmap_update_bits(sma1303->regmap, component->dev,
+ SMA1303_00_SYSTEM_CTRL, POWER_MASK, POWER_ON);
+
+ if (sma1303->amp_mode == ONE_CHIP_SOLUTION)
+ ret += sma1303_regmap_update_bits(sma1303->regmap, component->dev,
+ SMA1303_10_SYSTEM_CTRL1, SPK_MODE_MASK, SPK_MONO);
+ else
+ ret += sma1303_regmap_update_bits(sma1303->regmap, component->dev,
+ SMA1303_10_SYSTEM_CTRL1, SPK_MODE_MASK, SPK_STEREO);
+
+ 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);
+ }
+
+ ret += sma1303_regmap_update_bits(sma1303->regmap, component->dev,
+ SMA1303_0E_MUTE_VOL_CTRL, SPK_MUTE_MASK, SPK_UNMUTE);
+
+ sma1303->amp_power_status = true;
+
+ return ret;
+}
+
+static int sma1303_shutdown(struct snd_soc_component *component)
+{
+ struct sma1303_priv *sma1303 = snd_soc_component_get_drvdata(component);
+ int ret = 0;
+
+ if (!(sma1303->amp_power_status)) {
+ dev_info(component->dev, "%s : %s\n",
+ __func__, "Already AMP Shutdown");
+ return ret;
+ }
+
+ ret += sma1303_regmap_update_bits(sma1303->regmap, component->dev,
+ SMA1303_0E_MUTE_VOL_CTRL, SPK_MUTE_MASK, SPK_MUTE);
+
+ cancel_delayed_work_sync(&sma1303->check_fault_work);
+
+ msleep(55);
+
+ ret += sma1303_regmap_update_bits(sma1303->regmap, component->dev,
+ SMA1303_10_SYSTEM_CTRL1, SPK_MODE_MASK, SPK_OFF);
+
+ ret += sma1303_regmap_update_bits(sma1303->regmap, component->dev,
+ SMA1303_00_SYSTEM_CTRL, POWER_MASK, POWER_OFF);
+
+ ret += sma1303_regmap_update_bits(sma1303->regmap, component->dev,
+ SMA1303_8E_PLL_CTRL, PLL_PD2_MASK, PLL_PD2);
+
+ sma1303->amp_power_status = false;
+
+ return ret;
+}
+
+static int sma1303_clk_supply_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);
+
+ switch (event) {
+ case SND_SOC_DAPM_PRE_PMU:
+ dev_info(component->dev, "%s : PRE_PMU\n", __func__);
+ break;
+
+ case SND_SOC_DAPM_POST_PMD:
+ dev_info(component->dev, "%s : POST_PMD\n", __func__);
+ break;
+ }
+
+ return 0;
+}
+
+static int sma1303_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 sma1303_priv *sma1303 = snd_soc_component_get_drvdata(component);
+
+ switch (event) {
+ case SND_SOC_DAPM_PRE_PMU:
+ dev_info(component->dev, "%s : PRE_PMU\n", __func__);
+
+ if (sma1303->usage_status)
+ sma1303_startup(component);
+
+ break;
+
+ case SND_SOC_DAPM_POST_PMU:
+ dev_info(component->dev, "%s : POST_PMU\n", __func__);
+
+ break;
+
+ case SND_SOC_DAPM_PRE_PMD:
+ dev_info(component->dev, "%s : PRE_PMD\n", __func__);
+
+ sma1303_shutdown(component);
+
+ break;
+
+ case SND_SOC_DAPM_POST_PMD:
+ dev_info(component->dev, "%s : POST_PMD\n", __func__);
+
+ break;
+ }
+
+ return 0;
+}
+
+static int sma1303_dac_feedback_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_PRE_PMU:
+ dev_info(component->dev,
+ "%s : DAC feedback ON\n", __func__);
+ ret += sma1303_regmap_update_bits(
+ sma1303->regmap, component->dev,
+ SMA1303_09_OUTPUT_CTRL,
+ PORT_CONFIG_MASK|PORT_OUT_SEL_MASK,
+ OUTPUT_PORT_ENABLE|SPEAKER_PATH);
+
+ ret += sma1303_regmap_update_bits(
+ sma1303->regmap, component->dev,
+ SMA1303_A3_TOP_MAN2,
+ SDO_OUTPUT_MASK, NORMAL_OUT);
+ break;
+
+ case SND_SOC_DAPM_PRE_PMD:
+ dev_info(component->dev,
+ "%s : DAC feedback OFF\n", __func__);
+ ret += sma1303_regmap_update_bits(
+ sma1303->regmap, component->dev,
+ SMA1303_09_OUTPUT_CTRL,
+ PORT_OUT_SEL_MASK, OUT_SEL_DISABLE);
+
+ ret += sma1303_regmap_update_bits(
+ sma1303->regmap, component->dev,
+ SMA1303_A3_TOP_MAN2, SDO_OUTPUT_MASK,
+ HIGH_Z_OUT);
+ break;
+ }
+
+ return ret;
+}
+
+static const struct snd_soc_dapm_widget sma1303_dapm_widgets[] = {
+SND_SOC_DAPM_SUPPLY("CLK_SUPPLY", SND_SOC_NOPM, 0, 0, sma1303_clk_supply_event,
+ SND_SOC_DAPM_PRE_PMU | SND_SOC_DAPM_POST_PMD),
+SND_SOC_DAPM_DAC_E("DAC", "Playback", SND_SOC_NOPM, 0, 0, sma1303_dac_event,
+ SND_SOC_DAPM_PRE_PMU | SND_SOC_DAPM_POST_PMU |
+ SND_SOC_DAPM_PRE_PMD | SND_SOC_DAPM_POST_PMD),
+SND_SOC_DAPM_ADC_E("DAC_FEEDBACK", "Capture", SND_SOC_NOPM, 0, 0,
+ sma1303_dac_feedback_event,
+ SND_SOC_DAPM_PRE_PMU | SND_SOC_DAPM_PRE_PMD),
+SND_SOC_DAPM_OUTPUT("SPK"),
+SND_SOC_DAPM_INPUT("SDO"),
+SND_SOC_DAPM_MUX("SDO Source", SND_SOC_NOPM, 0, 0, &sma1303_sdo_source_mux),
+};
+
+static const struct snd_soc_dapm_route sma1303_audio_map[] = {
+{"DAC", NULL, "CLK_SUPPLY"},
+{"SPK", NULL, "DAC"},
+{"SDO Source", "Disable", "SDO"},
+{"SDO Source", "Format_C", "SDO"},
+{"SDO Source", "Mixer_Out", "SDO"},
+{"SDO Source", "After_DSP", "SDO"},
+{"SDO Source", "After_Post", "SDO"},
+{"DAC_FEEDBACK", NULL, "SDO Source"},
+};
+
+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_info(component->dev, "%s : BCLK = %dHz\n",
+ __func__, bclk);
+
+ if (sma1303->sys_clk_id == SMA1303_PLL_CLKIN_MCLK) {
+ dev_info(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_info(component->dev, "%s : No matching value between pll table and SCK\n",
+ __func__);
+ return -EINVAL;
+ }
+
+ ret += sma1303_regmap_update_bits(
+ sma1303->regmap, component->dev,
+ SMA1303_A2_TOP_MAN1,
+ PLL_PD_MASK|PLL_REF_CLK_MASK,
+ PLL_OPERATION|PLL_SCK);
+ }
+
+ ret += sma1303_regmap_write(sma1303->regmap, component->dev,
+ SMA1303_8B_PLL_POST_N,
+ sma1303->pll_matches[i].post_n);
+
+ ret += sma1303_regmap_write(sma1303->regmap, component->dev,
+ SMA1303_8C_PLL_N,
+ sma1303->pll_matches[i].n);
+
+ ret += sma1303_regmap_write(sma1303->regmap, component->dev,
+ SMA1303_8D_PLL_A_SETTING,
+ sma1303->pll_matches[i].vco);
+
+ ret += sma1303_regmap_write(sma1303->regmap, component->dev,
+ SMA1303_8F_PLL_P_CP,
+ sma1303->pll_matches[i].p_cp);
+
+ return ret;
+}
+
+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 input_format = 0;
+ 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_info(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->usage_status &&
+ (sma1303->sys_clk_id == SMA1303_PLL_CLKIN_MCLK
+ || sma1303->sys_clk_id == SMA1303_PLL_CLKIN_BCLK)) {
+
+ if (sma1303->last_bclk != bclk) {
+ if (sma1303->amp_power_status) {
+ sma1303_shutdown(component);
+ sma1303_setup_pll(component, bclk);
+ sma1303_startup(component);
+ } else
+ 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->regmap, component->dev,
+ SMA1303_A2_TOP_MAN1,
+ DAC_DN_CONV_MASK, DAC_DN_CONV_DISABLE);
+
+ ret += sma1303_regmap_update_bits(
+ sma1303->regmap, component->dev,
+ SMA1303_01_INPUT1_CTRL1,
+ LEFTPOL_MASK, LOW_FIRST_CH);
+ break;
+
+ case 192000:
+ ret += sma1303_regmap_update_bits(
+ sma1303->regmap, component->dev,
+ SMA1303_A2_TOP_MAN1,
+ DAC_DN_CONV_MASK, DAC_DN_CONV_ENABLE);
+
+ ret += sma1303_regmap_update_bits(
+ sma1303->regmap, component->dev,
+ SMA1303_01_INPUT1_CTRL1,
+ LEFTPOL_MASK, HIGH_FIRST_CH);
+ 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_info(component->dev,
+ "%s set format SNDRV_PCM_FORMAT_S16_LE\n",
+ __func__);
+ ret += sma1303_regmap_update_bits(
+ sma1303->regmap, component->dev,
+ SMA1303_A4_TOP_MAN3,
+ SCK_RATE_MASK, SCK_32FS);
+ break;
+
+ case SNDRV_PCM_FORMAT_S24_LE:
+ dev_info(component->dev,
+ "%s set format SNDRV_PCM_FORMAT_S24_LE\n",
+ __func__);
+ ret += sma1303_regmap_update_bits(
+ sma1303->regmap, component->dev,
+ SMA1303_A4_TOP_MAN3,
+ SCK_RATE_MASK, SCK_64FS);
+ break;
+ case SNDRV_PCM_FORMAT_S32_LE:
+ dev_info(component->dev,
+ "%s set format SNDRV_PCM_FORMAT_S32_LE\n",
+ __func__);
+ ret += sma1303_regmap_update_bits(
+ sma1303->regmap, component->dev,
+ SMA1303_A4_TOP_MAN3,
+ SCK_RATE_MASK, SCK_64FS);
+ break;
+ default:
+ dev_err(component->dev,
+ "%s not support data bit : %d\n", __func__,
+ params_format(params));
+ return -EINVAL;
+ }
+ }
+
+ switch (params_width(params)) {
+ case 16:
+ switch (sma1303->format) {
+ case SND_SOC_DAIFMT_I2S:
+ input_format |= STANDARD_I2S;
+ break;
+ case SND_SOC_DAIFMT_LEFT_J:
+ input_format |= LJ;
+ break;
+ case SND_SOC_DAIFMT_RIGHT_J:
+ input_format |= RJ_16BIT;
+ break;
+ }
+ break;
+ case 24:
+ case 32:
+ switch (sma1303->format) {
+ case SND_SOC_DAIFMT_I2S:
+ input_format |= STANDARD_I2S;
+ break;
+ case SND_SOC_DAIFMT_LEFT_J:
+ input_format |= LJ;
+ break;
+ case SND_SOC_DAIFMT_RIGHT_J:
+ input_format |= RJ_24BIT;
+ break;
+ }
+ break;
+
+ default:
+ dev_err(component->dev,
+ "%s not support data bit : %d\n", __func__,
+ params_format(params));
+ return -EINVAL;
+ }
+
+ ret += sma1303_regmap_update_bits(
+ sma1303->regmap, component->dev,
+ SMA1303_01_INPUT1_CTRL1,
+ I2S_MODE_MASK, input_format);
+ return ret;
+}
+
+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 (!(sma1303->amp_power_status)) {
+ dev_info(component->dev, "%s : %s\n",
+ __func__, "Already AMP Shutdown");
+ return ret;
+ }
+
+ if (mute) {
+ dev_info(component->dev, "%s : %s\n", __func__, "MUTE");
+
+ ret += sma1303_regmap_update_bits(
+ sma1303->regmap, component->dev,
+ SMA1303_0E_MUTE_VOL_CTRL,
+ SPK_MUTE_MASK, SPK_MUTE);
+ } else {
+ dev_info(component->dev, "%s : %s\n", __func__, "UNMUTE");
+
+ ret += sma1303_regmap_update_bits(
+ sma1303->regmap, component->dev,
+ SMA1303_0E_MUTE_VOL_CTRL,
+ SPK_MUTE_MASK, SPK_UNMUTE);
+ }
+
+ return ret;
+}
+
+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_CBS_CFS:
+ dev_info(component->dev,
+ "%s : %s\n", __func__, "I2S/TDM Device mode");
+ ret += sma1303_regmap_update_bits(
+ sma1303->regmap, component->dev,
+ SMA1303_01_INPUT1_CTRL1,
+ CONTROLLER_DEVICE_MASK, DEVICE_MODE);
+ break;
+
+ case SND_SOC_DAIFMT_CBM_CFM:
+ dev_info(component->dev,
+ "%s : %s\n", __func__, "I2S/TDM Controller mode");
+ ret += sma1303_regmap_update_bits(
+ sma1303->regmap, component->dev,
+ SMA1303_01_INPUT1_CTRL1,
+ CONTROLLER_DEVICE_MASK, CONTROLLER_MODE);
+ 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_info(component->dev, "%s : %s\n",
+ __func__, "Invert BCLK + Normal Frame");
+ ret += sma1303_regmap_update_bits(
+ sma1303->regmap, component->dev,
+ SMA1303_01_INPUT1_CTRL1,
+ SCK_RISING_MASK, SCK_RISING_EDGE);
+ break;
+ case SND_SOC_DAIFMT_IB_IF:
+ dev_info(component->dev, "%s : %s\n",
+ __func__, "Invert BCLK + Invert Frame");
+ ret += sma1303_regmap_update_bits(
+ sma1303->regmap, component->dev,
+ SMA1303_01_INPUT1_CTRL1,
+ LEFTPOL_MASK|SCK_RISING_MASK,
+ HIGH_FIRST_CH|SCK_RISING_EDGE);
+ break;
+ case SND_SOC_DAIFMT_NB_IF:
+ dev_info(component->dev, "%s : %s\n",
+ __func__, "Normal BCLK + Invert Frame");
+ ret += sma1303_regmap_update_bits(
+ sma1303->regmap, component->dev,
+ SMA1303_01_INPUT1_CTRL1,
+ LEFTPOL_MASK, HIGH_FIRST_CH);
+ break;
+ case SND_SOC_DAIFMT_NB_NF:
+ dev_info(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;
+ }
+
+ return ret;
+}
+
+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_info(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->regmap, component->dev,
+ SMA1303_A4_TOP_MAN3,
+ O_FORMAT_MASK, O_FMT_TDM);
+
+ switch (slot_width) {
+ case 16:
+ ret += sma1303_regmap_update_bits(
+ sma1303->regmap, component->dev,
+ SMA1303_A6_TDM2,
+ TDM_DL_MASK, TDM_DL_16);
+ break;
+ case 32:
+ ret += sma1303_regmap_update_bits(
+ sma1303->regmap, component->dev,
+ SMA1303_A6_TDM2,
+ TDM_DL_MASK, TDM_DL_32);
+ break;
+ default:
+ dev_err(component->dev, "%s not support TDM %d slot_width\n",
+ __func__, slot_width);
+ }
+
+ switch (slots) {
+ case 4:
+ ret += sma1303_regmap_update_bits(
+ sma1303->regmap, component->dev,
+ SMA1303_A6_TDM2,
+ TDM_N_SLOT_MASK, TDM_N_SLOT_4);
+ break;
+ case 8:
+ ret += sma1303_regmap_update_bits(
+ sma1303->regmap, component->dev,
+ SMA1303_A6_TDM2,
+ TDM_N_SLOT_MASK, TDM_N_SLOT_8);
+ break;
+ default:
+ dev_err(component->dev, "%s not support TDM %d slots\n",
+ __func__, slots);
+ }
+
+ if (sma1303->tdm_slot_rx < slots)
+ ret += sma1303_regmap_update_bits(
+ sma1303->regmap, component->dev,
+ SMA1303_A5_TDM1, TDM_SLOT1_RX_POS_MASK,
+ (sma1303->tdm_slot_rx) << 3);
+ else
+ dev_err(component->dev, "%s Incorrect tdm-slot-rx %d set\n",
+ __func__, sma1303->tdm_slot_rx);
+
+ ret += sma1303_regmap_update_bits(
+ sma1303->regmap, component->dev,
+ SMA1303_A5_TDM1,
+ TDM_CLK_POL_MASK, TDM_CLK_POL_RISE);
+
+ ret += sma1303_regmap_update_bits(
+ sma1303->regmap, component->dev,
+ SMA1303_A5_TDM1,
+ TDM_TX_MODE_MASK, TDM_TX_MONO);
+
+ if (sma1303->tdm_slot_tx < slots)
+ ret += sma1303_regmap_update_bits(
+ sma1303->regmap, component->dev,
+ SMA1303_A6_TDM2, TDM_SLOT1_TX_POS_MASK,
+ (sma1303->tdm_slot_tx) << 3);
+ else
+ dev_err(component->dev, "%s Incorrect tdm-slot-tx %d set\n",
+ __func__, sma1303->tdm_slot_tx);
+
+ return ret;
+}
+
+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;
+
+ mutex_lock(&sma1303->lock);
+
+ if (sma1303->tsdw_cnt)
+ ret = regmap_read(sma1303->regmap,
+ SMA1303_0A_SPK_VOL, &sma1303->cur_vol);
+ else
+ ret = regmap_read(sma1303->regmap,
+ SMA1303_0A_SPK_VOL, &sma1303->init_vol);
+
+ if (ret != 0) {
+ dev_err(sma1303->dev,
+ "failed to read SMA1303_0A_SPK_VOL : %d\n", ret);
+ mutex_unlock(&sma1303->lock);
+ return;
+ }
+
+ ret = regmap_read(sma1303->regmap, SMA1303_FA_STATUS1, &over_temp);
+ if (ret != 0) {
+ dev_err(sma1303->dev,
+ "failed to read SMA1303_FA_STATUS1 : %d\n", ret);
+ mutex_unlock(&sma1303->lock);
+ return;
+ }
+
+ ret = regmap_read(sma1303->regmap, SMA1303_FB_STATUS2, &ocp_val);
+ if (ret != 0) {
+ dev_err(sma1303->dev,
+ "failed to read SMA1303_FB_STATUS2 : %d\n", ret);
+ mutex_unlock(&sma1303->lock);
+ return;
+ }
+
+ ret = regmap_read(sma1303->regmap, SMA1303_FF_DEVICE_INDEX, &uvlo_val);
+ if (ret != 0) {
+ dev_err(sma1303->dev,
+ "failed to read SMA1303_FF_DEVICE_INDEX : %d\n", ret);
+ mutex_unlock(&sma1303->lock);
+ return;
+ }
+
+ if (~over_temp & 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->regmap, sma1303->dev,
+ SMA1303_0A_SPK_VOL, sma1303->cur_vol + 6);
+
+ sma1303->tsdw_cnt++;
+ } else if (sma1303->tsdw_cnt) {
+ sma1303_regmap_write(
+ sma1303->regmap, sma1303->dev,
+ SMA1303_0A_SPK_VOL, sma1303->init_vol);
+ sma1303->tsdw_cnt = 0;
+ sma1303->cur_vol = sma1303->init_vol;
+ }
+
+ if (~over_temp & OT2_OK_STATUS) {
+ dev_crit(sma1303->dev,
+ "%s : OT2(Over Temperature Level 2)\n", __func__);
+ }
+ if (ocp_val & OCP_SPK_STATUS) {
+ dev_crit(sma1303->dev,
+ "%s : OCP_SPK(Over Current Protect SPK)\n", __func__);
+ }
+ if (ocp_val & OCP_BST_STATUS) {
+ dev_crit(sma1303->dev,
+ "%s : OCP_BST(Over Current Protect Boost)\n", __func__);
+ }
+ if ((ocp_val & CLK_MON_STATUS) && (sma1303->amp_power_status)) {
+ dev_crit(sma1303->dev,
+ "%s : CLK_FAULT(No clock input)\n", __func__);
+ }
+ if (uvlo_val & 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_info(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 & OT1_OK_STATUS) && !(~over_temp & OT2_OK_STATUS)
+ && !(ocp_val & OCP_SPK_STATUS)
+ && !(ocp_val & OCP_BST_STATUS)
+ && !(ocp_val & CLK_MON_STATUS)
+ && !(uvlo_val & UVLO_BST_STATUS)) {
+ }
+
+ mutex_unlock(&sma1303->lock);
+}
+
+#ifdef CONFIG_PM
+static int sma1303_suspend(struct snd_soc_component *component)
+{
+ return 0;
+}
+
+static int sma1303_resume(struct snd_soc_component *component)
+{
+ return 0;
+}
+#else
+#define sma1303_suspend NULL
+#define sma1303_resume NULL
+#endif
+
+static int sma1303_probe(struct snd_soc_component *component)
+{
+ struct sma1303_priv *sma1303 = snd_soc_component_get_drvdata(component);
+ struct snd_soc_dapm_context *dapm =
+ snd_soc_component_get_dapm(component);
+ char *dapm_widget_str = NULL;
+ int prefix_len = 0, str_max = 30, ret = 0, i = 0;
+ unsigned int status, otp_stat;
+
+ if (component->name_prefix != NULL) {
+ dev_info(component->dev, "%s : component name prefix - %s\n",
+ __func__, component->name_prefix);
+
+ prefix_len = strlen(component->name_prefix);
+ dapm_widget_str = kzalloc(prefix_len + str_max, GFP_KERNEL);
+
+ if (!dapm_widget_str) {
+ kfree(dapm_widget_str);
+ return -ENOMEM;
+ }
+
+ strcpy(dapm_widget_str, component->name_prefix);
+ strcat(dapm_widget_str, " Playback");
+
+ snd_soc_dapm_ignore_suspend(dapm, dapm_widget_str);
+
+ memset(dapm_widget_str + prefix_len, 0, str_max);
+
+ strcpy(dapm_widget_str, component->name_prefix);
+ strcat(dapm_widget_str, " SPK");
+
+ snd_soc_dapm_ignore_suspend(dapm, dapm_widget_str);
+
+ kfree(dapm_widget_str);
+ } else {
+ snd_soc_dapm_ignore_suspend(dapm, "Playback");
+ snd_soc_dapm_ignore_suspend(dapm, "SPK");
+ }
+
+ snd_soc_dapm_sync(dapm);
+
+ ret += sma1303_regmap_update_bits(
+ sma1303->regmap, component->dev,
+ SMA1303_00_SYSTEM_CTRL,
+ RESETBYI2C_MASK, RESETBYI2C_RESET);
+
+ ret += regmap_read(sma1303->regmap, SMA1303_FF_DEVICE_INDEX, &status);
+ if (ret < 0) {
+ dev_err(sma1303->dev,
+ "failed to read, register: %02X, ret: %d\n",
+ SMA1303_FF_DEVICE_INDEX, ret);
+ return ret;
+ }
+ sma1303->rev_num = status & REV_NUM_STATUS;
+ if (sma1303->rev_num == REV_NUM_TV0)
+ dev_info(component->dev, "SMA1303 Trimming Version 0\n");
+ else if (sma1303->rev_num == REV_NUM_TV1)
+ dev_info(component->dev, "SMA1303 Trimming Version 1\n");
+
+ ret += regmap_read(sma1303->regmap, SMA1303_FB_STATUS2, &otp_stat);
+ if (ret < 0)
+ dev_err(sma1303->dev,
+ "failed to read, register: %02X, ret: %d\n",
+ SMA1303_FF_DEVICE_INDEX, ret);
+
+ if (((sma1303->rev_num == REV_NUM_TV0) &&
+ ((otp_stat & 0x0E) == OTP_STAT_OK_0)) ||
+ ((sma1303->rev_num != REV_NUM_TV0) &&
+ ((otp_stat & 0x0C) == OTP_STAT_OK_1)))
+ dev_info(component->dev, "SMA1303 OTP Status Successful\n");
+ else
+ dev_info(component->dev, "SMA1303 OTP Status Fail\n");
+
+ for (i = 0; i < (unsigned int)ARRAY_SIZE(sma1303_reg_def); i++)
+ ret += sma1303_regmap_write(
+ sma1303->regmap, component->dev,
+ sma1303_reg_def[i].reg,
+ sma1303_reg_def[i].def);
+
+ ret += sma1303_regmap_write(sma1303->regmap, component->dev,
+ SMA1303_0A_SPK_VOL, sma1303->init_vol);
+
+ dev_info(component->dev,
+ "%s init_vol is 0x%x\n", __func__, sma1303->init_vol);
+
+ return ret;
+}
+
+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,
+ .suspend = sma1303_suspend,
+ .resume = sma1303_resume,
+ .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),
+};
+
+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);
+ int rc;
+
+ rc = (int)snprintf(buf, PAGE_SIZE,
+ "%ld\n", sma1303->check_fault_period);
+
+ return (ssize_t)rc;
+}
+
+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);
+ int rc;
+
+ rc = (int)snprintf(buf, PAGE_SIZE,
+ "%ld\n", sma1303->check_fault_status);
+
+ return (ssize_t)rc;
+}
+
+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,
+ const struct i2c_device_id *id)
+{
+ struct sma1303_priv *sma1303;
+ struct device_node *np = client->dev.of_node;
+ int ret;
+ u32 value;
+ unsigned int device_info;
+
+ dev_info(&client->dev, "%s is here. Driver version REV018\n", __func__);
+
+ sma1303 = devm_kzalloc(&client->dev, sizeof(struct sma1303_priv),
+ GFP_KERNEL);
+
+ if (!sma1303)
+ return -ENOMEM;
+
+ 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);
+
+ devm_kfree(&client->dev, sma1303);
+
+ return ret;
+ }
+
+ if (np) {
+ if (!of_property_read_u32(np, "tdm-slot-rx", &value)) {
+ dev_info(&client->dev,
+ "tdm slot rx is '%d' from DT\n", value);
+ sma1303->tdm_slot_rx = value;
+ } else {
+ dev_info(&client->dev,
+ "Default setting of tdm slot rx is '0'\n");
+ sma1303->tdm_slot_rx = 0;
+ }
+ if (!of_property_read_u32(np, "tdm-slot-tx", &value)) {
+ dev_info(&client->dev,
+ "tdm slot tx is '%d' from DT\n", value);
+ sma1303->tdm_slot_tx = value;
+ } else {
+ dev_info(&client->dev,
+ "Default setting of tdm slot tx is '0'\n");
+ sma1303->tdm_slot_tx = 0;
+ }
+ if (!of_property_read_u32(np, "sys-clk-id", &value)) {
+ switch (value) {
+ case SMA1303_EXTERNAL_CLOCK_19_2:
+ case SMA1303_EXTERNAL_CLOCK_24_576:
+ case SMA1303_PLL_CLKIN_MCLK:
+ dev_info(&client->dev, "MCLK is not supported\n");
+ break;
+ case SMA1303_PLL_CLKIN_BCLK:
+ dev_info(&client->dev,
+ "Take an BCLK(SCK) and covert it to an internal PLL for use\n");
+ break;
+ default:
+ dev_err(&client->dev,
+ "Invalid sys-clk-id: %d\n", value);
+ return -EINVAL;
+ }
+ sma1303->sys_clk_id = value;
+ } else {
+ dev_info(&client->dev, "Use the internal PLL clock by default\n");
+ sma1303->sys_clk_id = SMA1303_PLL_CLKIN_BCLK;
+ }
+ } else {
+ dev_err(&client->dev,
+ "device node initialization error\n");
+ devm_kfree(&client->dev, sma1303);
+ return -ENODEV;
+ }
+
+ ret = regmap_read(sma1303->regmap,
+ SMA1303_FF_DEVICE_INDEX, &device_info);
+
+ if ((ret != 0) || ((device_info & 0xF8) != DEVICE_ID)) {
+ dev_err(&client->dev, "device initialization error (%d 0x%02X)",
+ ret, device_info);
+ }
+ dev_info(&client->dev, "chip version 0x%02X\n", device_info);
+
+ sma1303->last_over_temp = 0xC0;
+ sma1303->last_ocp_val = 0x0A;
+ sma1303->tsdw_cnt = 0;
+ sma1303->init_vol = 0x31;
+ sma1303->cur_vol = sma1303->init_vol;
+ sma1303->last_bclk = 0;
+
+ INIT_DELAYED_WORK(&sma1303->check_fault_work,
+ sma1303_check_fault_worker);
+
+ mutex_init(&sma1303->lock);
+ sma1303->check_fault_period = CHECK_PERIOD_TIME;
+
+ sma1303->devtype = id->driver_data;
+ sma1303->dev = &client->dev;
+ sma1303->kobj = &client->dev.kobj;
+
+ i2c_set_clientdata(client, sma1303);
+
+ sma1303->amp_mode = ONE_CHIP_SOLUTION;
+ sma1303->usage_status = true;
+ sma1303->amp_power_status = false;
+ sma1303->check_fault_status = true;
+ 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");
+ snd_soc_unregister_component(&client->dev);
+
+ if (sma1303)
+ devm_kfree(&client->dev, sma1303);
+
+ 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);
+
+ snd_soc_unregister_component(&client->dev);
+
+ if (sma1303)
+ devm_kfree(&client->dev, sma1303);
+}
+
+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,
+};
+
+static int __init sma1303_init(void)
+{
+ int ret;
+
+ ret = i2c_add_driver(&sma1303_i2c_driver);
+
+ if (ret)
+ pr_err("Failed to register sma1303 I2C driver: %d\n", ret);
+
+ return ret;
+}
+
+static void __exit sma1303_exit(void)
+{
+ i2c_del_driver(&sma1303_i2c_driver);
+}
+
+module_init(sma1303_init);
+module_exit(sma1303_exit);
+
+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");
new file mode 100644
@@ -0,0 +1,609 @@
+/* SPDX-License-Identifier: GPL-2.0-or-later
+ * sma1303.h -- sma1303 ALSA SoC Audio driver
+ *
+ * Copyright 2022 Iron Device Corporation
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License version 2 as
+ * published by the Free Software Foundation.
+ */
+
+#ifndef _SMA1303_H
+#define _SMA1303_H
+
+#define SMA1303_I2C_ADDR_00 0x1e
+#define SMA1303_I2C_ADDR_01 0x3e
+#define SMA1303_I2C_ADDR_10 0x5e
+#define SMA1303_I2C_ADDR_11 0x7e
+
+#define SMA1303_EXTERNAL_CLOCK_19_2 0x00
+#define SMA1303_EXTERNAL_CLOCK_24_576 0x01
+#define SMA1303_PLL_CLKIN_MCLK 0x02
+#define SMA1303_PLL_CLKIN_BCLK 0x03
+
+#define ONE_CHIP_SOLUTION 0x00
+#define MONO_TWO_CHIP_SOLUTION 0x01
+#define LEFT_TWO_CHIP_SOLUTION 0x02
+#define RIGHT_TWO_CHIP_SOLUTION 0x03
+
+/*
+ * SMA1303 Register Definition
+ */
+
+/* SMA1303 Register Addresses */
+#define SMA1303_00_SYSTEM_CTRL 0x00
+#define SMA1303_01_INPUT1_CTRL1 0x01
+#define SMA1303_02_INPUT1_CTRL2 0x02
+#define SMA1303_03_INPUT1_CTRL3 0x03
+#define SMA1303_04_INPUT1_CTRL4 0x04
+/* 0x05 ~ 0x08 : Reserved */
+#define SMA1303_09_OUTPUT_CTRL 0x09
+#define SMA1303_0A_SPK_VOL 0x0a
+#define SMA1303_0B_BST_TEST 0x0b
+#define SMA1303_0C_BST_TEST1 0x0c
+#define SMA1303_0D_SPK_TEST 0x0d
+#define SMA1303_0E_MUTE_VOL_CTRL 0x0e
+/* 0x0F : Reserved */
+#define SMA1303_10_SYSTEM_CTRL1 0x10
+#define SMA1303_11_SYSTEM_CTRL2 0x11
+#define SMA1303_12_SYSTEM_CTRL3 0x12
+/* 0x13 : Reserved */
+#define SMA1303_14_MODULATOR 0x14
+#define SMA1303_15_BASS_SPK1 0x15
+#define SMA1303_16_BASS_SPK2 0x16
+#define SMA1303_17_BASS_SPK3 0x17
+#define SMA1303_18_BASS_SPK4 0x18
+#define SMA1303_19_BASS_SPK5 0x19
+#define SMA1303_1A_BASS_SPK6 0x1a
+#define SMA1303_1B_BASS_SPK7 0x1b
+/* 0x1C ~ 0x22 : Reserved */
+#define SMA1303_23_COMP_LIM1 0x23
+#define SMA1303_24_COMP_LIM2 0x24
+#define SMA1303_25_COMP_LIM3 0x25
+#define SMA1303_26_COMP_LIM4 0x26
+/* 0x27 ~ 0x32 : Reserved */
+#define SMA1303_33_SDM_CTRL 0x33
+#define SMA1303_34_OTP_DATA1 0x34
+/* 0x35 : Reserved */
+#define SMA1303_36_PROTECTION 0x36
+#define SMA1303_37_SLOPE_CTRL 0x37
+#define SMA1303_38_OTP_TRM0 0x38
+/* 0x39 ~ 0x3A : Reserved */
+#define SMA1303_3B_TEST1 0x3b
+#define SMA1303_3C_TEST2 0x3c
+#define SMA1303_3D_TEST3 0x3d
+#define SMA1303_3E_ATEST1 0x3e
+#define SMA1303_3F_ATEST2 0x3f
+/* 0x40 ~ 0x8A : Reserved */
+#define SMA1303_8B_PLL_POST_N 0x8b
+#define SMA1303_8C_PLL_N 0x8c
+#define SMA1303_8D_PLL_A_SETTING 0x8d
+#define SMA1303_8E_PLL_CTRL 0x8e
+#define SMA1303_8F_PLL_P_CP 0x8f
+#define SMA1303_90_POSTSCALER 0x90
+#define SMA1303_91_CLASS_G_CTRL 0x91
+#define SMA1303_92_FDPEC_CTRL 0x92
+/* 0x93 : Reserved */
+#define SMA1303_94_BOOST_CTRL1 0x94
+#define SMA1303_95_BOOST_CTRL2 0x95
+#define SMA1303_96_BOOST_CTRL3 0x96
+#define SMA1303_97_BOOST_CTRL4 0x97
+/* 0x98 ~ 0x9F : Reserved */
+#define SMA1303_A0_PAD_CTRL0 0xa0
+#define SMA1303_A1_PAD_CTRL1 0xa1
+#define SMA1303_A2_TOP_MAN1 0xa2
+#define SMA1303_A3_TOP_MAN2 0xa3
+#define SMA1303_A4_TOP_MAN3 0xa4
+#define SMA1303_A5_TDM1 0xa5
+#define SMA1303_A6_TDM2 0xa6
+#define SMA1303_A7_CLK_MON 0xa7
+/* 0xA8 ~ 0xF9 : Reserved */
+#define SMA1303_FA_STATUS1 0xfa
+#define SMA1303_FB_STATUS2 0xfb
+/* 0xFC ~ 0xFE : Reserved */
+#define SMA1303_FF_DEVICE_INDEX 0xff
+
+/* SMA1303 Registers Bit Fields */
+
+/* SYSTEM_CTRL : 0x00 */
+#define RESETBYI2C_MASK (1<<1)
+#define RESETBYI2C_NORMAL (0<<1)
+#define RESETBYI2C_RESET (1<<1)
+
+#define POWER_MASK (1<<0)
+#define POWER_OFF (0<<0)
+#define POWER_ON (1<<0)
+
+/* INTPUT CTRL1 : 0x01 */
+#define CONTROLLER_DEVICE_MASK (1<<7)
+#define DEVICE_MODE (0<<7)
+#define CONTROLLER_MODE (1<<7)
+
+#define I2S_MODE_MASK (7<<4)
+#define STANDARD_I2S (0<<4)
+#define LJ (1<<4)
+#define RJ_16BIT (4<<4)
+#define RJ_18BIT (5<<4)
+#define RJ_20BIT (6<<4)
+#define RJ_24BIT (7<<4)
+
+#define LEFTPOL_MASK (1<<3)
+#define LOW_FIRST_CH (0<<3)
+#define HIGH_FIRST_CH (1<<3)
+
+#define SCK_RISING_MASK (1<<2)
+#define SCK_FALLING_EDGE (0<<2)
+#define SCK_RISING_EDGE (1<<2)
+
+/* INTPUT CTRL2 : 0x02 */
+#define IMODE_MASK (3<<6)
+#define I2S (0<<6)
+#define PCM_SHORT (1<<6)
+#define PCM_LONG (2<<6)
+
+#define RIGHT_FIRST_MASK (1<<5)
+#define LEFT_NORMAL (0<<5)
+#define RIGHT_INVERTED (1<<5)
+
+#define PCM_ALAW_MASK (1<<4)
+#define PCM_U_DECODING (0<<4)
+#define PCM_A_DECODING (1<<4)
+
+#define PCM_COMP_MASK (1<<3)
+#define PCM_LINEAR (0<<3)
+#define PCM_COMPANDING (1<<3)
+
+#define INPUTSEL_MASK (1<<2)
+#define PCM_8KHZ (0<<2)
+#define PCM_16KHZ (1<<2)
+
+#define PCM_STEREO_MASK (1<<1)
+#define PCM_MONO (0<<1)
+#define PCM_STEREO (1<<1)
+
+#define PCM_DL_MASK (1<<0)
+#define PCM_8BIT (0<<0)
+#define PCM_16BIT (1<<0)
+
+/* INTPUT CTRL3 : 0x03 */
+#define PCM_N_SLOT_MASK (15<<0)
+#define PCM_N_SLOT1 (0<<0)
+#define PCM_N_SLOT2 (1<<0)
+#define PCM_N_SLOT3 (2<<0)
+#define PCM_N_SLOT4 (3<<0)
+#define PCM_N_SLOT5 (4<<0)
+#define PCM_N_SLOT6 (5<<0)
+#define PCM_N_SLOT7 (6<<0)
+#define PCM_N_SLOT8 (7<<0)
+#define PCM_N_SLOT9 (8<<0)
+#define PCM_N_SLOT10 (9<<0)
+#define PCM_N_SLOT11 (10<<0)
+#define PCM_N_SLOT12 (11<<0)
+#define PCM_N_SLOT13 (12<<0)
+#define PCM_N_SLOT14 (13<<0)
+#define PCM_N_SLOT15 (14<<0)
+#define PCM_N_SLOT16 (15<<0)
+
+/* INTPUT CTRL4 : 0x04 */
+#define PCM1_SLOT_MASK (15<<4)
+#define PCM1_SLOT1 (0<<4)
+#define PCM1_SLOT2 (1<<4)
+#define PCM1_SLOT3 (2<<4)
+#define PCM1_SLOT4 (3<<4)
+#define PCM1_SLOT5 (4<<4)
+#define PCM1_SLOT6 (5<<4)
+#define PCM1_SLOT7 (6<<4)
+#define PCM1_SLOT8 (7<<4)
+#define PCM1_SLOT9 (8<<4)
+#define PCM1_SLOT10 (9<<4)
+#define PCM1_SLOT11 (10<<4)
+#define PCM1_SLOT12 (11<<4)
+#define PCM1_SLOT13 (12<<4)
+#define PCM1_SLOT14 (13<<4)
+#define PCM1_SLOT15 (14<<4)
+#define PCM1_SLOT16 (15<<4)
+
+#define PCM2_SLOT_MASK (15<<0)
+#define PCM2_SLOT1 (0<<0)
+#define PCM2_SLOT2 (1<<0)
+#define PCM2_SLOT3 (2<<0)
+#define PCM2_SLOT4 (3<<0)
+#define PCM2_SLOT5 (4<<0)
+#define PCM2_SLOT6 (5<<0)
+#define PCM2_SLOT7 (6<<0)
+#define PCM2_SLOT8 (7<<0)
+#define PCM2_SLOT9 (8<<0)
+#define PCM2_SLOT10 (9<<0)
+#define PCM2_SLOT11 (10<<0)
+#define PCM2_SLOT12 (11<<0)
+#define PCM2_SLOT13 (12<<0)
+#define PCM2_SLOT14 (13<<0)
+#define PCM2_SLOT15 (14<<0)
+#define PCM2_SLOT16 (15<<0)
+
+/* OUTPUT CTRL : 0x09 */
+#define PORT_CONFIG_MASK (3<<5)
+#define INPUT_PORT_ONLY (0<<5)
+#define OUTPUT_PORT_ENABLE (2<<5)
+
+#define PORT_OUT_SEL_MASK (7<<0)
+#define OUT_SEL_DISABLE (0<<0)
+#define FORMAT_CONVERTER (1<<0)
+#define MIXER_OUTPUT (2<<0)
+#define SPEAKER_PATH (3<<0)
+#define POSTSCALER_OUTPUT (4<<0)
+
+/* BST_TEST : 0x0B */
+#define BST_OFF_SLOPE_MASK (3<<6)
+#define BST_OFF_SLOPE_6_7ns (0<<6)
+#define BST_OFF_SLOPE_4_8ns (1<<6)
+#define BST_OFF_SLOPE_2_6ns (2<<6)
+#define BST_OFF_SLOPE_1_2ns (3<<6)
+
+#define OCP_TEST_MASK (1<<5)
+#define OCP_NORMAL_MODE (0<<5)
+#define OCP_TEST_MODE (1<<5)
+
+#define BST_FAST_LEBN_MASK (1<<4)
+#define BST_SHORT_LEB (0<<4)
+#define BST_LONG_LEB (1<<4)
+
+#define HIGH_PGAIN_MASK (1<<3)
+#define NORMAL_P_GAIN (0<<3)
+#define HIGH_P_GAIN (1<<3)
+
+#define VCOMP_MASK (1<<2)
+#define VCOMP_NORMAL_MODE (0<<2)
+#define VCOMP_V_MON_MODE (1<<2)
+
+#define PMOS_ON_MASK (1<<1)
+#define PMOS_NORMAL_MODE (0<<1)
+#define PMOS_TEST_MODE (1<<1)
+
+#define NMOS_ON_MASK (1<<0)
+#define NMOS_NORMAL_MODE (0<<0)
+#define NMOS_TEST_MODE (1<<0)
+
+/* BST_TEST1 : 0x0C */
+#define SET_OCP_H_MASK (3<<6)
+#define HIGH_OCP_4_5_LVL (0<<6)
+#define HIGH_OCP_3_2_LVL (1<<6)
+#define HIGH_OCP_2_1_LVL (2<<6)
+#define HIGH_OCP_0_9_LVL (3<<6)
+
+#define OCL_TEST_MASK (1<<5)
+#define OCL_NORMAL_MODE (0<<5)
+#define OCL_TEST_MODE (1<<5)
+
+#define LOOP_CHECK_MASK (1<<4)
+#define BST_LOOP_NORMAL_MODE (0<<4)
+#define BST_LOOP_CHECK_MODE (1<<4)
+
+#define EN_SH_PRT_MASK (1<<3)
+#define EN_SH_PRT_DISABLE (0<<3)
+#define EN_SH_PRT_ENABLE (1<<3)
+
+/* SPK_TEST : 0x0D */
+#define VREF_MON_MASK (1<<3)
+#define VREF_NORMAL_MODE (0<<3)
+#define VREF_V_MON_MODE (1<<3)
+
+#define SPK_OCP_DLYN_MASK (1<<2)
+#define SPK_OCP_LONG_DELAY (0<<2)
+#define SPK_OCP_NORMAL (1<<2)
+
+#define SPK_OFF_SLOPE_MASK (3<<0)
+#define SPK_OFF_SLOPE_SLOW (0<<0)
+#define SPK_OFF_SLOPE_FAST (3<<0)
+
+/* MUTE_VOL_CTRL : 0x0E */
+#define VOL_SLOPE_MASK (3<<6)
+#define VOL_SLOPE_OFF (0<<6)
+#define VOL_SLOPE_SLOW (1<<6)
+#define VOL_SLOPE_MID (2<<6)
+#define VOL_SLOPE_FAST (3<<6)
+
+#define MUTE_SLOPE_MASK (3<<4)
+#define MUTE_SLOPE_OFF (0<<4)
+#define MUTE_SLOPE_SLOW (1<<4)
+#define MUTE_SLOPE_MID (2<<4)
+#define MUTE_SLOPE_FAST (3<<4)
+
+#define SPK_MUTE_MASK (1<<0)
+#define SPK_UNMUTE (0<<0)
+#define SPK_MUTE (1<<0)
+
+/* SYSTEM_CTRL1 :0x10 */
+#define SPK_MODE_MASK (7<<2)
+#define SPK_OFF (0<<2)
+#define SPK_MONO (1<<2)
+#define SPK_STEREO (4<<2)
+
+/* SYSTEM_CTRL2 : 0x11 */
+#define SPK_BS_MASK (1<<6)
+#define SPK_BS_BYP (0<<6)
+#define SPK_BS_EN (1<<6)
+#define SPK_LIM_MASK (1<<5)
+#define SPK_LIM_BYP (0<<5)
+#define SPK_LIM_EN (1<<5)
+
+#define LR_DATA_SW_MASK (1<<4)
+#define LR_DATA_SW_NORMAL (0<<4)
+#define LR_DATA_SW_SWAP (1<<4)
+
+#define MONOMIX_MASK (1<<0)
+#define MONOMIX_OFF (0<<0)
+#define MONOMIX_ON (1<<0)
+
+/* SYSTEM_CTRL3 : 0x12 */
+#define INPUT_MASK (3<<6)
+#define INPUT_0_DB (0<<6)
+#define INPUT_M6_DB (1<<6)
+#define INPUT_M12_DB (2<<6)
+#define INPUT_INFI_DB (3<<6)
+#define INPUT_R_MASK (3<<4)
+#define INPUT_R_0_DB (0<<4)
+#define INPUT_R_M6_DB (1<<4)
+#define INPUT_R_M12_DB (2<<4)
+#define INPUT_R_INFI_DB (3<<4)
+
+/* Modulator : 0x14 */
+#define SPK_HYSFB_MASK (3<<6)
+#define HYSFB_625K (0<<6)
+#define HYSFB_414K (1<<6)
+#define HYSFB_297K (2<<6)
+#define HYSFB_226K (3<<6)
+#define SPK_BDELAY_MASK (63<<0)
+
+/* SDM CONTROL : 0x33 */
+#define SDM_Q_SEL_MASK (1<<2)
+#define QUART_SEL_1_DIV_4 (0<<2)
+#define QUART_SEL_1_DIV_8 (1<<2)
+
+/* OTP_DATA1 : 0x34 */
+#define OTP_LVL_MASK (1<<5)
+#define OTP_LVL_NORMAL (0<<5)
+#define OTP_LVL_LOW (1<<5)
+
+/* PROTECTION : 0x36 */
+#define EDGE_DIS_MASK (1<<7)
+#define EDGE_DIS_ENABLE (0<<7)
+#define EDGE_DIS_DISABLE (1<<7)
+
+#define SPK_OCP_DIS_MASK (1<<3)
+#define SPK_OCP_ENABLE (0<<3)
+#define SPK_OCP_DISABLE (1<<3)
+
+#define OCP_MODE_MASK (1<<2)
+#define AUTO_RECOVER (0<<2)
+#define SHUT_DOWN_PERMANENT (1<<2)
+
+#define OTP_MODE_MASK (3<<0)
+#define OTP_MODE_DISABLE (0<<0)
+#define IG_THR1_SHUT_THR2 (1<<0)
+#define REC_THR1_SHUT_THR2 (2<<0)
+#define SHUT_THR1_SHUT_THR2 (3<<0)
+
+/* TEST2 : 0x3C */
+#define SPK_HSDM_BP_MASK (1<<4)
+#define SPK_HSDM_ENABLE (0<<4)
+#define SPK_HSDM_BYPASS (1<<4)
+
+#define SDM_SYNC_DIS_MASK (1<<5)
+#define SDM_SYNC_NORMAL (0<<5)
+#define SDM_SYNC_DISABLE (1<<5)
+
+/* ATEST2 : 0x3F */
+#define SPK_OUT_FREQ_MASK (1<<2)
+#define SPK_OUT_FREQ_360K (0<<2)
+#define SPK_OUT_FREQ_410K (1<<2)
+
+#define LOW_POWER_MODE_MASK (1<<3)
+#define LOW_POWER_MODE_DISABLE (0<<3)
+#define LOW_POWER_MODE_ENABLE (1<<3)
+
+#define THERMAL_ADJUST_MASK (3<<5)
+#define THERMAL_150_110 (0<<5)
+#define THERMAL_160_120 (1<<5)
+#define THERMAL_140_100 (2<<5)
+
+#define FAST_OFF_DRIVE_SPK_MASK (1<<0)
+#define FAST_OFF_DRIVE_SPK_DISABLE (0<<0)
+#define FAST_OFF_DRIVE_SPK_ENABLE (1<<0)
+
+/* PLL_CTRL : 0x8E */
+#define TRM_LVL_MASK (1<<4)
+#define TRM_LVL_NORMAL (0<<4)
+#define TRM_LVL_LOW (1<<4)
+
+#define LOW_OCL_MODE_MASK (1<<3)
+#define LOW_OCL_MODE (0<<3)
+#define NORMAL_OCL_MODE (1<<3)
+
+#define PLL_PD2_MASK (7<<0)
+#define PLL_PD2 (7<<0)
+#define PLL_OPERATION2 (0<<0)
+
+/* POSTSCALER : 0x90 */
+#define BYP_POST_MASK (1<<0)
+#define EN_POST_SCALER (0<<0)
+#define BYP_POST_SCALER (1<<0)
+
+/* FDPEC CONTROL : 0x92 */
+#define FLT_VDD_GAIN_MASK (15<<4)
+#define FLT_VDD_GAIN_2P40 (0<<4)
+#define FLT_VDD_GAIN_2P45 (1<<4)
+#define FLT_VDD_GAIN_2P50 (2<<4)
+#define FLT_VDD_GAIN_2P55 (3<<4)
+#define FLT_VDD_GAIN_2P60 (4<<4)
+#define FLT_VDD_GAIN_2P65 (5<<4)
+#define FLT_VDD_GAIN_2P70 (6<<4)
+#define FLT_VDD_GAIN_2P75 (7<<4)
+#define FLT_VDD_GAIN_2P80 (8<<4)
+#define FLT_VDD_GAIN_2P85 (9<<4)
+#define FLT_VDD_GAIN_2P90 (10<<4)
+#define FLT_VDD_GAIN_2P95 (11<<4)
+#define FLT_VDD_GAIN_3P00 (12<<4)
+#define FLT_VDD_GAIN_3P05 (13<<4)
+#define FLT_VDD_GAIN_3P10 (14<<4)
+#define FLT_VDD_GAIN_3P15 (15<<4)
+
+#define DIS_FCHG_MASK (1<<2)
+#define EN_FAST_CHARGE (0<<2)
+#define DIS_FAST_CHARGE (1<<2)
+
+/* BOOST_CONTROL4 : 0x97 */
+#define TRM_VBST_MASK (7<<2)
+#define TRM_VBST_5P5 (0<<2)
+#define TRM_VBST_5P6 (1<<2)
+#define TRM_VBST_5P7 (2<<2)
+#define TRM_VBST_5P8 (3<<2)
+#define TRM_VBST_5P9 (4<<2)
+#define TRM_VBST_6P0 (5<<2)
+#define TRM_VBST_6P1 (6<<2)
+#define TRM_VBST_6P2 (7<<2)
+
+/* TOP_MAN1 : 0xA2 */
+#define PLL_LOCK_SKIP_MASK (1<<7)
+#define PLL_LOCK_ENABLE (0<<7)
+#define PLL_LOCK_DISABLE (1<<7)
+
+#define PLL_PD_MASK (1<<6)
+#define PLL_OPERATION (0<<6)
+#define PLL_PD (1<<6)
+
+#define PLL_DIV_MASK (3<<4)
+#define PLL_OUT (0<<4)
+#define PLL_OUT_2 (1<<4)
+#define PLL_OUT_4 (2<<4)
+#define PLL_OUT_8 (3<<4)
+
+#define PLL_REF_CLK_MASK (1<<3)
+#define PLL_REF_CLK1 (0<<3)
+#define PLL_SCK (1<<3)
+
+#define DAC_DN_CONV_MASK (1<<2)
+#define DAC_DN_CONV_DISABLE (0<<2)
+#define DAC_DN_CONV_ENABLE (1<<2)
+
+#define SDO_IO_MASK (1<<1)
+#define HIGH_Z_LRCK_H (0<<1)
+#define HIGH_Z_LRCK_L (1<<1)
+
+#define SDO_OUTPUT2_MASK (1<<0)
+#define SDO_NORMAL (0<<0)
+#define SDO_OUTPUT_ONLY (1<<0)
+
+/* TOP_MAN2 : 0xA3 */
+#define MON_OSC_PLL_MASK (1<<7)
+#define PLL_SDO (0<<7)
+#define PLL_OSC (1<<7)
+
+#define TEST_CLKO_EN_MASK (1<<6)
+#define NORMAL_SDO (0<<6)
+#define CLK_OUT_SDO (1<<6)
+
+#define SDO_OUTPUT_MASK (1<<3)
+#define NORMAL_OUT (0<<3)
+#define HIGH_Z_OUT (1<<3)
+
+#define CLOCK_MON_MASK (1<<1)
+#define CLOCK_MON (0<<1)
+#define CLOCK_NOT_MON (1<<1)
+
+#define OSC_PD_MASK (1<<0)
+#define NORMAL_OPERATION_OSC (0<<0)
+#define POWER_DOWN_OSC (1<<0)
+
+/* TOP_MAN3 0xA4 */
+#define O_FORMAT_MASK (7<<5)
+#define O_FMT_LJ (1<<5)
+#define O_FMT_I2S (2<<5)
+#define O_FMT_TDM (4<<5)
+
+#define SCK_RATE_MASK (1<<3)
+#define SCK_64FS (0<<3)
+#define SCK_32FS (2<<3)
+
+#define LRCK_POL_MASK (1<<0)
+#define L_VALID (0<<0)
+#define R_VALID (1<<0)
+
+/* TDM1 FORMAT : 0xA5 */
+#define TDM_CLK_POL_MASK (1<<7)
+#define TDM_CLK_POL_RISE (0<<7)
+#define TDM_CLK_POL_FALL (1<<7)
+
+#define TDM_TX_MODE_MASK (1<<6)
+#define TDM_TX_MONO (0<<6)
+#define TDM_TX_STEREO (1<<6)
+
+#define TDM_SLOT1_RX_POS_MASK (7<<3)
+#define TDM_SLOT1_RX_POS_0 (0<<3)
+#define TDM_SLOT1_RX_POS_1 (1<<3)
+#define TDM_SLOT1_RX_POS_2 (2<<3)
+#define TDM_SLOT1_RX_POS_3 (3<<3)
+#define TDM_SLOT1_RX_POS_4 (4<<3)
+#define TDM_SLOT1_RX_POS_5 (5<<3)
+#define TDM_SLOT1_RX_POS_6 (6<<3)
+#define TDM_SLOT1_RX_POS_7 (7<<3)
+
+#define TDM_SLOT2_RX_POS_MASK (7<<0)
+#define TDM_SLOT2_RX_POS_0 (0<<0)
+#define TDM_SLOT2_RX_POS_1 (1<<0)
+#define TDM_SLOT2_RX_POS_2 (2<<0)
+#define TDM_SLOT2_RX_POS_3 (3<<0)
+#define TDM_SLOT2_RX_POS_4 (4<<0)
+#define TDM_SLOT2_RX_POS_5 (5<<0)
+#define TDM_SLOT2_RX_POS_6 (6<<0)
+#define TDM_SLOT2_RX_POS_7 (7<<0)
+
+/* TDM2 FORMAT : 0xA6 */
+#define TDM_DL_MASK (1<<7)
+#define TDM_DL_16 (0<<7)
+#define TDM_DL_32 (1<<7)
+
+#define TDM_N_SLOT_MASK (1<<6)
+#define TDM_N_SLOT_4 (0<<6)
+#define TDM_N_SLOT_8 (1<<6)
+
+#define TDM_SLOT1_TX_POS_MASK (7<<3)
+#define TDM_SLOT1_TX_POS_0 (0<<3)
+#define TDM_SLOT1_TX_POS_1 (1<<3)
+#define TDM_SLOT1_TX_POS_2 (2<<3)
+#define TDM_SLOT1_TX_POS_3 (3<<3)
+#define TDM_SLOT1_TX_POS_4 (4<<3)
+#define TDM_SLOT1_TX_POS_5 (5<<3)
+#define TDM_SLOT1_TX_POS_6 (6<<3)
+#define TDM_SLOT1_TX_POS_7 (7<<3)
+
+#define TDM_SLOT2_TX_POS_MASK (7<<0)
+#define TDM_SLOT2_TX_POS_0 (0<<0)
+#define TDM_SLOT2_TX_POS_1 (1<<0)
+#define TDM_SLOT2_TX_POS_2 (2<<0)
+#define TDM_SLOT2_TX_POS_3 (3<<0)
+#define TDM_SLOT2_TX_POS_4 (4<<0)
+#define TDM_SLOT2_TX_POS_5 (5<<0)
+#define TDM_SLOT2_TX_POS_6 (6<<0)
+#define TDM_SLOT2_TX_POS_7 (7<<0)
+
+/* STATUS1 : 0xFA */
+#define OT1_OK_STATUS (1<<7)
+#define OT2_OK_STATUS (1<<6)
+
+/* STATUS2 : 0xFB */
+#define OCP_SPK_STATUS (1<<5)
+#define OCP_BST_STATUS (1<<4)
+#define OTP_STAT_OK_0 (5<<1)
+#define OTP_STAT_OK_1 (2<<2)
+
+#define CLK_MON_STATUS (1<<0)
+
+/* DEVICE_INFO : 0xFF */
+#define DEVICE_ID (2<<3)
+#define UVLO_BST_STATUS (1<<2)
+#define REV_NUM_STATUS (3<<0)
+#define REV_NUM_TV0 (0<<0)
+#define REV_NUM_TV1 (1<<0)
+
+#endif
The Iron Device SMA1303 is a boosted Class-D audio amplifier. Signed-off-by: Kiseok Jo <kiseok.jo@irondevice.com> --- sound/soc/codecs/Kconfig | 7 + sound/soc/codecs/Makefile | 2 + sound/soc/codecs/sma1303.c | 2117 ++++++++++++++++++++++++++++++++++++ sound/soc/codecs/sma1303.h | 609 +++++++++++ 4 files changed, 2735 insertions(+) create mode 100644 sound/soc/codecs/sma1303.c create mode 100644 sound/soc/codecs/sma1303.h