diff options
Diffstat (limited to 'sound/soc/codecs/sma1303.c')
| -rw-r--r-- | sound/soc/codecs/sma1303.c | 1804 |
1 files changed, 1804 insertions, 0 deletions
diff --git a/sound/soc/codecs/sma1303.c b/sound/soc/codecs/sma1303.c new file mode 100644 index 000000000000..d3ee831e88f0 --- /dev/null +++ b/sound/soc/codecs/sma1303.c @@ -0,0 +1,1804 @@ +// 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/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/of_device.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 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 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_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_NORMAL, + &temp); + if (temp == true) + change = true; + sma1303->amp_mode = SMA1303_STEREO; + break; + default: + dev_err(sma1303->dev, "%s : Invald 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 : Invald 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), +}; + +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_MCLK + || 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), +}; + +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, + const struct i2c_device_id *id) +{ + struct sma1303_priv *sma1303; + struct device_node *np = client->dev.of_node; + int ret, i = 0; + u32 value = 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; + } + + if (np) { + if (!of_property_read_u32(np, "i2c-retry", &value)) { + if (value > 50 || value <= 0) { + sma1303->retry_cnt = SMA1303_I2C_RETRY_COUNT; + dev_dbg(&client->dev, "%s : %s\n", __func__, + "i2c-retry out of range (up to 50)"); + } else { + sma1303->retry_cnt = value; + dev_dbg(&client->dev, "%s : %s = %u\n", + __func__, "i2c-retry count", value); + } + } else { + dev_dbg(&client->dev, "%s : %s = %d\n", __func__, + "i2c-retry count", SMA1303_I2C_RETRY_COUNT); + sma1303->retry_cnt = SMA1303_I2C_RETRY_COUNT; + } + if (!of_property_read_u32(np, "tdm-slot-rx", &value)) { + dev_dbg(&client->dev, + "tdm slot rx is '%d' from DT\n", value); + sma1303->tdm_slot_rx = value; + } else { + dev_dbg(&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_dbg(&client->dev, + "tdm slot tx is '%u' from DT\n", value); + sma1303->tdm_slot_tx = value; + } else { + dev_dbg(&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_dbg(&client->dev, "MCLK is not supported\n"); + break; + case SMA1303_PLL_CLKIN_BCLK: + dev_dbg(&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: %u\n", value); + return -EINVAL; + } + sma1303->sys_clk_id = value; + } else { + dev_dbg(&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 = 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->dev = &client->dev; + sma1303->kobj = &client->dev.kobj; + + INIT_DELAYED_WORK(&sma1303->check_fault_work, + sma1303_check_fault_worker); + + i2c_set_clientdata(client, sma1303); + + sma1303->pll_matches = sma1303_pll_matches; + sma1303->num_of_pll_matches = + ARRAY_SIZE(sma1303_pll_matches); + + ret = devm_snd_soc_register_component(&client->dev, + &sma1303_component, sma1303_dai, 1); + if (ret) { + dev_err(&client->dev, "Failed to register component"); + + return ret; + } + + sma1303->attr_grp = &sma1303_attr_group; + ret = sysfs_create_group(sma1303->kobj, sma1303->attr_grp); + if (ret) { + dev_err(&client->dev, + "failed to create attribute group [%d]\n", ret); + sma1303->attr_grp = NULL; + } + + return ret; +} + +static void sma1303_i2c_remove(struct i2c_client *client) +{ + struct sma1303_priv *sma1303 = + (struct sma1303_priv *) i2c_get_clientdata(client); + + cancel_delayed_work_sync(&sma1303->check_fault_work); +} + +static const struct i2c_device_id sma1303_i2c_id[] = { + {"sma1303", 0}, + {} +}; +MODULE_DEVICE_TABLE(i2c, sma1303_i2c_id); + +static const struct of_device_id sma1303_of_match[] = { + { .compatible = "irondevice,sma1303", }, + { } +}; +MODULE_DEVICE_TABLE(of, sma1303_of_match); + +static struct i2c_driver sma1303_i2c_driver = { + .driver = { + .name = "sma1303", + .of_match_table = sma1303_of_match, + }, + .probe = sma1303_i2c_probe, + .remove = sma1303_i2c_remove, + .id_table = sma1303_i2c_id, +}; + +module_i2c_driver(sma1303_i2c_driver); + +MODULE_DESCRIPTION("ALSA SoC SMA1303 driver"); +MODULE_AUTHOR("Gyuhwa Park, <gyuhwa.park@irondevice.com>"); +MODULE_AUTHOR("Kiseok Jo, <kiseok.jo@irondevice.com>"); +MODULE_LICENSE("GPL v2"); |