|  | // 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"}, | 
|  | {} | 
|  | }; | 
|  | 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"); |