diff options
Diffstat (limited to 'sound/soc/codecs/es9356.c')
| -rw-r--r-- | sound/soc/codecs/es9356.c | 1144 |
1 files changed, 1144 insertions, 0 deletions
diff --git a/sound/soc/codecs/es9356.c b/sound/soc/codecs/es9356.c new file mode 100644 index 000000000..80db0f2f4 --- /dev/null +++ b/sound/soc/codecs/es9356.c @@ -0,0 +1,1144 @@ +// SPDX-License-Identifier: GPL-2.0-only +// +// es9356.c -- SoundWire codec driver +// +// Copyright(c) 2025 Everest Semiconductor Co., Ltd +// +// + +#include <linux/cleanup.h> +#include <linux/device.h> +#include <linux/module.h> +#include <linux/soundwire/sdw.h> +#include <linux/soundwire/sdw_type.h> +#include <linux/soundwire/sdw_registers.h> +#include <sound/core.h> +#include <sound/pcm.h> +#include <sound/pcm_params.h> +#include <linux/pm_runtime.h> +#include <sound/sdw.h> +#include <sound/soc.h> +#include <sound/soc-dapm.h> +#include <sound/tlv.h> +#include <linux/interrupt.h> +#include <linux/irq.h> +#include <sound/jack.h> +#include <sound/sdca_asoc.h> +#include "es9356.h" + +struct es9356_sdw_priv { + struct sdw_slave *slave; + struct device *dev; + struct regmap *regmap; + struct snd_soc_component *component; + struct snd_soc_jack *hs_jack; + + /* lock for irq*/ + struct mutex disable_irq_lock; + + /* lock for pde*/ + struct mutex pde_lock; + + bool hw_init; + bool first_hw_init; + int jack_type; + bool disable_irq; + + struct delayed_work interrupt_handle_work; + struct delayed_work button_detect_work; + unsigned int sdca_status; +}; + +static int es9356_sdw_component_probe(struct snd_soc_component *component) +{ + struct es9356_sdw_priv *es9356 = snd_soc_component_get_drvdata(component); + + es9356->component = component; + + return 0; +} + +static const DECLARE_TLV_DB_SCALE(out_vol_tlv, -9600, 12, 0); +static const DECLARE_TLV_DB_SCALE(amic_gain_tlv, 0, 3, 0); +static const DECLARE_TLV_DB_SCALE(dmic_gain_tlv, 0, 6, 0); + +static const struct snd_kcontrol_new es9356_sdca_controls[] = { + SDCA_SINGLE_Q78_TLV("FU41 Left Playback Volume", + SDW_SDCA_CTL(FUNC_NUM_UAJ, ES9356_SDCA_ENT_FU41, ES9356_SDCA_CTL_FU_VOLUME, CH_L), + ES9356_VOLUME_MIN, ES9356_VOLUME_MAX, ES9356_VOLUME_STEP, out_vol_tlv), + SDCA_SINGLE_Q78_TLV("FU41 Right Playback Volume", + SDW_SDCA_CTL(FUNC_NUM_UAJ, ES9356_SDCA_ENT_FU41, ES9356_SDCA_CTL_FU_VOLUME, CH_R), + ES9356_VOLUME_MIN, ES9356_VOLUME_MAX, ES9356_VOLUME_STEP, out_vol_tlv), + SDCA_SINGLE_Q78_TLV("FU36 Left Capture Volume", + SDW_SDCA_CTL(FUNC_NUM_UAJ, ES9356_SDCA_ENT_FU36, ES9356_SDCA_CTL_FU_VOLUME, CH_L), + ES9356_VOLUME_MIN, ES9356_VOLUME_MAX, ES9356_VOLUME_STEP, out_vol_tlv), + SDCA_SINGLE_Q78_TLV("FU36 Right Capture Volume", + SDW_SDCA_CTL(FUNC_NUM_UAJ, ES9356_SDCA_ENT_FU36, ES9356_SDCA_CTL_FU_VOLUME, CH_R), + ES9356_VOLUME_MIN, ES9356_VOLUME_MAX, ES9356_VOLUME_STEP, out_vol_tlv), + SDCA_SINGLE_Q78_TLV("FU33 Capture Volume", + SDW_SDCA_CTL(FUNC_NUM_UAJ, ES9356_SDCA_ENT_FU33, ES9356_SDCA_CTL_FU_CH_GAIN, 0), + ES9356_GAIN_MIN, ES9356_AMIC_GAIN_MAX, ES9356_AMIC_GAIN_STEP, amic_gain_tlv), + SDCA_SINGLE_Q78_TLV("FU21 Left Playback Volume", + SDW_SDCA_CTL(FUNC_NUM_AMP, ES9356_SDCA_ENT_FU21, ES9356_SDCA_CTL_FU_VOLUME, CH_L), + ES9356_VOLUME_MIN, ES9356_VOLUME_MAX, ES9356_VOLUME_STEP, out_vol_tlv), + SDCA_SINGLE_Q78_TLV("FU21 Right Playback Volume", + SDW_SDCA_CTL(FUNC_NUM_AMP, ES9356_SDCA_ENT_FU21, ES9356_SDCA_CTL_FU_VOLUME, CH_R), + ES9356_VOLUME_MIN, ES9356_VOLUME_MAX, ES9356_VOLUME_STEP, out_vol_tlv), + SDCA_SINGLE_Q78_TLV("FU113 Left Capture Volume", + SDW_SDCA_CTL(FUNC_NUM_MIC, ES9356_SDCA_ENT_FU113, ES9356_SDCA_CTL_FU_VOLUME, CH_L), + ES9356_VOLUME_MIN, ES9356_VOLUME_MAX, ES9356_VOLUME_STEP, out_vol_tlv), + SDCA_SINGLE_Q78_TLV("FU113 Right Capture Volume", + SDW_SDCA_CTL(FUNC_NUM_MIC, ES9356_SDCA_ENT_FU113, ES9356_SDCA_CTL_FU_VOLUME, CH_R), + ES9356_VOLUME_MIN, ES9356_VOLUME_MAX, ES9356_VOLUME_STEP, out_vol_tlv), + SDCA_SINGLE_Q78_TLV("FU11 Capture Volume", + SDW_SDCA_CTL(FUNC_NUM_MIC, ES9356_SDCA_ENT_FU11, ES9356_SDCA_CTL_FU_CH_GAIN, 0), + ES9356_GAIN_MIN, ES9356_DMIC_GAIN_MAX, ES9356_DMIC_GAIN_STEP, dmic_gain_tlv), +}; + +static const char *const es9356_left_mux_txt[] = { + "Left", + "Right", +}; + +static const char *const es9356_right_mux_txt[] = { + "Right", + "Left", +}; + +static const struct soc_enum es9356_left_mux_enum = + SOC_ENUM_SINGLE(ES9356_DAC_SWAP, 1, + ARRAY_SIZE(es9356_left_mux_txt), es9356_left_mux_txt); +static const struct soc_enum es9356_right_mux_enum = + SOC_ENUM_SINGLE(ES9356_DAC_SWAP, 0, + ARRAY_SIZE(es9356_right_mux_txt), es9356_right_mux_txt); + +static const struct snd_kcontrol_new es9356_left_mux_controls = + SOC_DAPM_ENUM("Channel MUX", es9356_left_mux_enum); +static const struct snd_kcontrol_new es9356_right_mux_controls = + SOC_DAPM_ENUM("Channel MUX", es9356_right_mux_enum); + +static const struct snd_soc_dapm_widget es9356_dapm_widgets[] = { + SND_SOC_DAPM_OUTPUT("HP"), + SND_SOC_DAPM_OUTPUT("SPK"), + SND_SOC_DAPM_INPUT("MIC1"), + SND_SOC_DAPM_INPUT("PDM_DIN"), + + SND_SOC_DAPM_SUPPLY("DMIC Clock", ES9356_DMIC_GPIO, 1, 1, NULL, 0), + + SND_SOC_DAPM_AIF_IN("DP4RX", "DP4 Playback", 0, SND_SOC_NOPM, 0, 0), + SND_SOC_DAPM_AIF_IN("DP3RX", "DP3 Playback", 0, SND_SOC_NOPM, 0, 0), + SND_SOC_DAPM_AIF_OUT("DP1TX", "DP1 Capture", 0, SND_SOC_NOPM, 0, 0), + SND_SOC_DAPM_AIF_OUT("DP2TX", "DP2 Capture", 0, SND_SOC_NOPM, 0, 0), + + SND_SOC_DAPM_PGA("IF DP3RXL", SND_SOC_NOPM, 0, 0, NULL, 0), + SND_SOC_DAPM_PGA("IF DP3RXR", SND_SOC_NOPM, 0, 0, NULL, 0), + + SND_SOC_DAPM_MUX("Left Channel MUX", SND_SOC_NOPM, 0, 0, &es9356_left_mux_controls), + SND_SOC_DAPM_MUX("Right Channel MUX", SND_SOC_NOPM, 0, 0, &es9356_right_mux_controls), + + SND_SOC_DAPM_DAC("FU 21 Left", NULL, + SDW_SDCA_CTL(FUNC_NUM_AMP, ES9356_SDCA_ENT_FU21, ES9356_SDCA_CTL_FU_MUTE, CH_L), 0, 1), + SND_SOC_DAPM_DAC("FU 21 Right", NULL, + SDW_SDCA_CTL(FUNC_NUM_AMP, ES9356_SDCA_ENT_FU21, ES9356_SDCA_CTL_FU_MUTE, CH_R), 0, 1), + SND_SOC_DAPM_DAC("FU 41 Left", NULL, + SDW_SDCA_CTL(FUNC_NUM_UAJ, ES9356_SDCA_ENT_FU41, ES9356_SDCA_CTL_FU_MUTE, CH_L), 0, 1), + SND_SOC_DAPM_DAC("FU 41 Right", NULL, + SDW_SDCA_CTL(FUNC_NUM_UAJ, ES9356_SDCA_ENT_FU41, ES9356_SDCA_CTL_FU_MUTE, CH_R), 0, 1), + SND_SOC_DAPM_DAC("FU 113 Left", NULL, + SDW_SDCA_CTL(FUNC_NUM_MIC, ES9356_SDCA_ENT_FU113, ES9356_SDCA_CTL_FU_MUTE, CH_L), 0, 1), + SND_SOC_DAPM_DAC("FU 113 Right", NULL, + SDW_SDCA_CTL(FUNC_NUM_MIC, ES9356_SDCA_ENT_FU113, ES9356_SDCA_CTL_FU_MUTE, CH_R), 0, 1), + SND_SOC_DAPM_DAC("FU 36 Left", NULL, + SDW_SDCA_CTL(FUNC_NUM_UAJ, ES9356_SDCA_ENT_FU36, ES9356_SDCA_CTL_FU_MUTE, CH_L), 0, 1), + SND_SOC_DAPM_DAC("FU 36 Right", NULL, + SDW_SDCA_CTL(FUNC_NUM_UAJ, ES9356_SDCA_ENT_FU36, ES9356_SDCA_CTL_FU_MUTE, CH_R), 0, 1), +}; + +static const struct snd_soc_dapm_route es9356_audio_map[] = { + {"FU 36 Left", NULL, "MIC1"}, + {"FU 36 Right", NULL, "MIC1"}, + {"DP2TX", NULL, "FU 36 Left"}, + {"DP2TX", NULL, "FU 36 Right"}, + + {"PDM_DIN", NULL, "DMIC Clock"}, + {"FU 113 Left", NULL, "PDM_DIN"}, + {"FU 113 Right", NULL, "PDM_DIN"}, + {"DP1TX", NULL, "FU 113 Left"}, + {"DP1TX", NULL, "FU 113 Right"}, + + {"FU 41 Left", NULL, "DP4RX"}, + {"FU 41 Right", NULL, "DP4RX"}, + + {"IF DP3RXL", NULL, "DP3RX"}, + {"IF DP3RXR", NULL, "DP3RX"}, + + {"Left Channel MUX", "Left", "IF DP3RXL"}, + {"Left Channel MUX", "Right", "IF DP3RXR"}, + {"Right Channel MUX", "Left", "IF DP3RXL"}, + {"Right Channel MUX", "Right", "IF DP3RXR"}, + + {"FU 21 Left", NULL, "Left Channel MUX"}, + {"FU 21 Right", NULL, "Right Channel MUX"}, + + {"SPK", NULL, "FU 21 Left"}, + {"SPK", NULL, "FU 21 Right"}, + + {"HP", NULL, "FU 41 Left"}, + {"HP", NULL, "FU 41 Right"}, +}; + +static int es9356_set_jack_detect(struct snd_soc_component *component, + struct snd_soc_jack *hs_jack, void *data) +{ + struct es9356_sdw_priv *es9356 = snd_soc_component_get_drvdata(component); + int ret; + + es9356->hs_jack = hs_jack; + + /* we can only resume if the device was initialized at least once */ + if (!es9356->first_hw_init) + return 0; + + ret = pm_runtime_resume_and_get(component->dev); + if (ret < 0) { + if (ret != -EACCES) { + dev_err(component->dev, "%s: failed to resume %d\n", __func__, ret); + return ret; + } + /* pm_runtime not enabled yet */ + dev_info(component->dev, "%s: skipping jack init for now\n", __func__); + return 0; + } + + if (es9356->hs_jack) + sdw_write_no_pm(es9356->slave, SDW_SCP_SDCA_INTMASK1, + (SDW_SCP_SDCA_INTMASK_SDCA_7 | SDW_SCP_SDCA_INTMASK_SDCA_5 | SDW_SCP_SDCA_INTMASK_SDCA_1)); + + pm_runtime_mark_last_busy(component->dev); + pm_runtime_put_autosuspend(component->dev); + + return 0; +} +static const struct snd_soc_component_driver snd_soc_es9356_sdw_component = { + .probe = es9356_sdw_component_probe, + .controls = es9356_sdca_controls, + .num_controls = ARRAY_SIZE(es9356_sdca_controls), + .dapm_widgets = es9356_dapm_widgets, + .num_dapm_widgets = ARRAY_SIZE(es9356_dapm_widgets), + .dapm_routes = es9356_audio_map, + .num_dapm_routes = ARRAY_SIZE(es9356_audio_map), + .set_jack = es9356_set_jack_detect, + .endianness = 1, +}; + +static int es9356_sdw_set_sdw_stream(struct snd_soc_dai *dai, void *sdw_stream, + int direction) +{ + snd_soc_dai_dma_data_set(dai, direction, sdw_stream); + + return 0; +} + +static void es9356_sdw_shutdown(struct snd_pcm_substream *substream, + struct snd_soc_dai *dai) +{ + snd_soc_dai_set_dma_data(dai, substream, NULL); +} + +static int es9356_sdca_button(unsigned int *buffer) +{ + int cur_button = -1; + + if (*(buffer + 1) | *(buffer + 2)) + return -EINVAL; + switch (*buffer) { + case 0x00: + cur_button = 0; + break; + case 0x20: + cur_button = SND_JACK_BTN_4; + break; + case 0x10: + cur_button = SND_JACK_BTN_2; + break; + case 0x08: + cur_button = SND_JACK_BTN_1; + break; + case 0x02: + cur_button = SND_JACK_BTN_3; + break; + case 0x01: + cur_button = SND_JACK_BTN_0; + break; + default: + break; + } + + return cur_button; +} + +static int es9356_sdca_button_detect(struct es9356_sdw_priv *es9356) +{ + unsigned int btn_type = 0, offset, idx, val, owner; + unsigned int button[3]; + int ret; + + ret = regmap_read(es9356->regmap, + SDW_SDCA_CTL(FUNC_NUM_HID, ES9356_SDCA_ENT_HID01, ES9356_SDCA_CTL_HIDTX_CURRENT_OWNER, 0), &owner); + if (ret < 0 || owner == 0x01) + return 0; + + ret = regmap_read(es9356->regmap, ES9356_BUF_ADDR_HID, &offset); + if (ret < 0) + goto button_det_end; + + for (idx = 0; idx < ARRAY_SIZE(button); idx++) { + ret = regmap_read(es9356->regmap, ES9356_BUF_ADDR_HID + offset + idx, &val); + if (ret < 0) + goto button_det_end; + button[idx] = val; + } + + btn_type = es9356_sdca_button(&button[0]); + +button_det_end: + if (owner == 0x00) + regmap_write(es9356->regmap, + SDW_SDCA_CTL(FUNC_NUM_HID, ES9356_SDCA_ENT_HID01, ES9356_SDCA_CTL_HIDTX_CURRENT_OWNER, 0), 0x01); + + return btn_type; +} + +static int es9356_sdca_headset_detect(struct es9356_sdw_priv *es9356) +{ + unsigned int reg; + int ret; + + ret = regmap_read(es9356->regmap, + SDW_SDCA_CTL(FUNC_NUM_UAJ, ES9356_SDCA_ENT_GE35, ES9356_SDCA_CTL_DETECTED_MODE, 0), ®); + + if (ret < 0) + goto io_error; + + switch (reg) { + case 0x00: + es9356->jack_type = 0; + break; + case 0x03: + es9356->jack_type = SND_JACK_HEADPHONE; + break; + case 0x04: + es9356->jack_type = SND_JACK_HEADSET; + break; + default: + es9356->jack_type = 0; + return -1; + } + + if (reg) { + regmap_write(es9356->regmap, + SDW_SDCA_CTL(FUNC_NUM_UAJ, ES9356_SDCA_ENT_GE35, ES9356_SDCA_CTL_SELECTED_MODE, 0), reg); + regmap_write(es9356->regmap, ES9356_HP_DETECTTIME, 0x75); + } else { + regmap_write(es9356->regmap, ES9356_HP_DETECTTIME, 0xa4); + } + + return 0; + +io_error: + pr_err_ratelimited("IO error in %s, ret %d\n", __func__, ret); + return ret; +} + +static void es9356_interrupt_handler(struct work_struct *work) +{ + struct es9356_sdw_priv *es9356 = + container_of(work, struct es9356_sdw_priv, interrupt_handle_work.work); + int ret, btn_type = 0; + + if (!es9356->hs_jack) + return; + + if (!es9356->component->card || !es9356->component->card->instantiated) + return; + + /* Handling different types of interrupts based on the mask bit */ + if (es9356->sdca_status & SDW_SCP_SDCA_INT_SDCA_7) { + btn_type = es9356_sdca_button_detect(es9356); + if (btn_type < 0) + return; + } else { + ret = es9356_sdca_headset_detect(es9356); + if (ret < 0) + return; + } + + if (es9356->jack_type != SND_JACK_HEADSET) + btn_type = 0; + + snd_soc_jack_report(es9356->hs_jack, es9356->jack_type | btn_type, + SND_JACK_HEADSET | + SND_JACK_BTN_0 | SND_JACK_BTN_1 | + SND_JACK_BTN_2 | SND_JACK_BTN_3 | + SND_JACK_BTN_4); + + if (btn_type) { + snd_soc_jack_report(es9356->hs_jack, es9356->jack_type, + SND_JACK_HEADSET | + SND_JACK_BTN_0 | SND_JACK_BTN_1 | + SND_JACK_BTN_2 | SND_JACK_BTN_3 | + SND_JACK_BTN_4); + mod_delayed_work(system_power_efficient_wq, + &es9356->button_detect_work, msecs_to_jiffies(280)); + } +} + +static void es9356_button_detect_handler(struct work_struct *work) +{ + struct es9356_sdw_priv *es9356 = + container_of(work, struct es9356_sdw_priv, button_detect_work.work); + int ret, idx, btn_type = 0; + unsigned int reg, offset; + unsigned int button[3]; + + /* Check headset */ + ret = regmap_read(es9356->regmap, + SDW_SDCA_CTL(FUNC_NUM_UAJ, ES9356_SDCA_ENT_GE35, ES9356_SDCA_CTL_DETECTED_MODE, 0), ®); + + if (ret < 0) + goto io_error; + + if (reg == 0x04) { + ret = regmap_read(es9356->regmap, ES9356_BUF_ADDR_HID, &offset); + if (ret < 0) + goto io_error; + for (idx = 0; idx < ARRAY_SIZE(button); idx++) { + ret = regmap_read(es9356->regmap, ES9356_BUF_ADDR_HID + offset + idx, ®); + if (ret < 0) + goto io_error; + button[idx] = reg; + } + btn_type = es9356_sdca_button(&button[0]); + if (btn_type < 0) + return; + } + + snd_soc_jack_report(es9356->hs_jack, es9356->jack_type | btn_type, + SND_JACK_HEADSET | + SND_JACK_BTN_0 | SND_JACK_BTN_1 | + SND_JACK_BTN_2 | SND_JACK_BTN_3 | + SND_JACK_BTN_4); + + if (btn_type) { + snd_soc_jack_report(es9356->hs_jack, es9356->jack_type, + SND_JACK_HEADSET | + SND_JACK_BTN_0 | SND_JACK_BTN_1 | + SND_JACK_BTN_2 | SND_JACK_BTN_3 | + SND_JACK_BTN_4); + mod_delayed_work(system_power_efficient_wq, + &es9356->button_detect_work, msecs_to_jiffies(280)); + } + + return; +io_error: + pr_err_ratelimited("IO error in %s, ret %d\n", __func__, ret); +} + +static int es9356_pde_transition_delay(struct es9356_sdw_priv *es9356, unsigned char func, + unsigned char entity, unsigned char ps) +{ + unsigned int retries = 10, val; + + /* waiting for Actual PDE becomes to PS0/PS3 */ + while (retries) { + regmap_read(es9356->regmap, + SDW_SDCA_CTL(func, entity, ES9356_SDCA_CTL_ACTUAL_POWER_STATE, 0), &val); + if (val == ps) + return 1; + + usleep_range(1000, 1500); + retries--; + } + if (!retries) { + dev_dbg(&es9356->slave->dev, "%s PDE is NOT %s", __func__, ps?"PS3":"PS0"); + } + return 0; +} + +static int es9356_power_state(struct snd_soc_dai *dai, unsigned char ps, unsigned int *rate) +{ + struct snd_soc_component *component = dai->component; + struct es9356_sdw_priv *es9356 = snd_soc_component_get_drvdata(component); + unsigned char ps0 = 0x0, ps3 = 0x3; + unsigned char func, cs_entity, pde_entity; + int ret; + + switch (dai->id) { + case ES9356_DMIC: + func = FUNC_NUM_MIC; + cs_entity = ES9356_SDCA_ENT_CS113; + pde_entity = ES9356_SDCA_ENT_PDE11; + break; + case ES9356_AMP: + func = FUNC_NUM_AMP; + cs_entity = ES9356_SDCA_ENT_CS21; + pde_entity = ES9356_SDCA_ENT_PDE23; + break; + case ES9356_JACK_IN: + func = FUNC_NUM_UAJ; + cs_entity = ES9356_SDCA_ENT_CS36; + pde_entity = ES9356_SDCA_ENT_PDE34; + break; + case ES9356_JACK_OUT: + func = FUNC_NUM_UAJ; + cs_entity = ES9356_SDCA_ENT_CS41; + pde_entity = ES9356_SDCA_ENT_PDE47; + break; + default: + return -EINVAL; + } + + /* power state changes are not independent across functions */ + scoped_guard(mutex, &es9356->pde_lock) { + ret = es9356_pde_transition_delay(es9356, func, pde_entity, ps ? ps0 : ps3); + if (ret) { + regmap_write(es9356->regmap, + SDW_SDCA_CTL(func, pde_entity, + ES9356_SDCA_CTL_REQ_POWER_STATE, 0), + ps ? ps3 : ps0); + es9356_pde_transition_delay(es9356, func, pde_entity, ps ? ps3 : ps0); + } else { + dev_dbg(component->dev, "%s PDE is already %d\n", __func__, + ps ? ps0 : ps3); + } + } + + if (rate) + regmap_write(es9356->regmap, + SDW_SDCA_CTL(func, cs_entity, ES9356_SDCA_CTL_SAMPLE_FREQ_INDEX, 0), *rate); + + return 0; +} + +static int es9356_sdw_pcm_hw_params(struct snd_pcm_substream *substream, + struct snd_pcm_hw_params *params, + struct snd_soc_dai *dai) +{ + struct snd_soc_component *component = dai->component; + struct es9356_sdw_priv *es9356 = snd_soc_component_get_drvdata(component); + struct sdw_stream_config stream_config = {0}; + struct sdw_port_config port_config = {0}; + struct sdw_stream_runtime *sdw_stream = snd_soc_dai_get_dma_data(dai, substream); + unsigned char ps0 = 0x0; + unsigned int rate; + int ret; + + if (!sdw_stream) + return -EINVAL; + + if (!es9356->slave) + return -EINVAL; + + /* SoundWire specific configuration */ + snd_sdw_params_to_config(substream, params, &stream_config, &port_config); + + port_config.num = dai->id; + + ret = sdw_stream_add_slave(es9356->slave, &stream_config, + &port_config, 1, sdw_stream); + if (ret) { + dev_err(dai->dev, "Unable to configure port\n"); + return -EINVAL; + } + + switch (params_rate(params)) { + case 16000: + rate = ES9356_SDCA_RATE_16000HZ; + break; + case 44100: + rate = ES9356_SDCA_RATE_44100HZ; + break; + case 48000: + rate = ES9356_SDCA_RATE_48000HZ; + break; + case 96000: + rate = ES9356_SDCA_RATE_96000HZ; + break; + default: + dev_err(component->dev, "%s: Rate %d is not supported\n", + __func__, params_rate(params)); + return -EINVAL; + } + + ret = es9356_power_state(dai, ps0, &rate); + if (ret) { + dev_err(component->dev, "%s: Invalid dai id: %d\n", + __func__, dai->id); + return -EINVAL; + } + + return 0; +} + +static int es9356_sdw_pcm_hw_free(struct snd_pcm_substream *substream, + struct snd_soc_dai *dai) +{ + struct snd_soc_component *component = dai->component; + struct es9356_sdw_priv *es9356 = snd_soc_component_get_drvdata(component); + struct sdw_stream_runtime *sdw_stream = snd_soc_dai_get_dma_data(dai, substream); + unsigned char ps3 = 0x3; + int ret; + + if (!es9356->slave) + return -EINVAL; + + sdw_stream_remove_slave(es9356->slave, sdw_stream); + + ret = es9356_power_state(dai, ps3, NULL); + if (ret) { + dev_err(component->dev, "%s: Invalid dai id: %d\n", + __func__, dai->id); + return -EINVAL; + } + + return 0; +} + +static const struct snd_soc_dai_ops es9356_sdw_ops = { + .hw_params = es9356_sdw_pcm_hw_params, + .hw_free = es9356_sdw_pcm_hw_free, + .set_stream = es9356_sdw_set_sdw_stream, + .shutdown = es9356_sdw_shutdown, +}; + +static struct snd_soc_dai_driver es9356_sdw_dai[] = { + { + .name = "es9356-sdp-aif4", + .id = ES9356_DMIC, + .capture = { + .stream_name = "DP1 Capture", + .channels_min = 1, + .channels_max = 2, + }, + .ops = &es9356_sdw_ops, + }, + { + .name = "es9356-sdp-aif2", + .id = ES9356_JACK_IN, + .capture = { + .stream_name = "DP2 Capture", + .channels_min = 1, + .channels_max = 2, + }, + .ops = &es9356_sdw_ops, + }, + { + .name = "es9356-sdp-aif3", + .id = ES9356_AMP, + .playback = { + .stream_name = "DP3 Playback", + .channels_min = 1, + .channels_max = 2, + }, + .ops = &es9356_sdw_ops, + }, + { + .name = "es9356-sdp-aif1", + .id = ES9356_JACK_OUT, + .playback = { + .stream_name = "DP4 Playback", + .channels_min = 1, + .channels_max = 2, + }, + .ops = &es9356_sdw_ops, + }, +}; + +static int es9356_sdca_mbq_size(struct device *dev, unsigned int reg) +{ + switch (reg) { + case SDW_SDCA_CTL(FUNC_NUM_MIC, ES9356_SDCA_ENT_FU113, ES9356_SDCA_CTL_FU_VOLUME, CH_L): + case SDW_SDCA_CTL(FUNC_NUM_MIC, ES9356_SDCA_ENT_FU113, ES9356_SDCA_CTL_FU_VOLUME, CH_R): + case SDW_SDCA_CTL(FUNC_NUM_AMP, ES9356_SDCA_ENT_FU21, ES9356_SDCA_CTL_FU_VOLUME, CH_L): + case SDW_SDCA_CTL(FUNC_NUM_AMP, ES9356_SDCA_ENT_FU21, ES9356_SDCA_CTL_FU_VOLUME, CH_R): + case SDW_SDCA_CTL(FUNC_NUM_UAJ, ES9356_SDCA_ENT_FU41, ES9356_SDCA_CTL_FU_VOLUME, CH_L): + case SDW_SDCA_CTL(FUNC_NUM_UAJ, ES9356_SDCA_ENT_FU41, ES9356_SDCA_CTL_FU_VOLUME, CH_R): + case SDW_SDCA_CTL(FUNC_NUM_UAJ, ES9356_SDCA_ENT_FU36, ES9356_SDCA_CTL_FU_VOLUME, CH_L): + case SDW_SDCA_CTL(FUNC_NUM_UAJ, ES9356_SDCA_ENT_FU36, ES9356_SDCA_CTL_FU_VOLUME, CH_R): + case SDW_SDCA_CTL(FUNC_NUM_UAJ, ES9356_SDCA_ENT_FU33, ES9356_SDCA_CTL_FU_CH_GAIN, 0): + case SDW_SDCA_CTL(FUNC_NUM_MIC, ES9356_SDCA_ENT_FU11, ES9356_SDCA_CTL_FU_CH_GAIN, 0): + return 2; + default: + return 1; + } +} + +static const struct regmap_sdw_mbq_cfg es9356_mbq_config = { + .mbq_size = es9356_sdca_mbq_size, +}; + +static bool es9356_sdca_volatile_register(struct device *dev, unsigned int reg) +{ + switch (reg) { + case ES9356_BUF_ADDR_HID: + case ES9356_HID_BYTE2: + case ES9356_HID_BYTE3: + case ES9356_HID_BYTE4: + case SDW_SDCA_CTL(FUNC_NUM_HID, ES9356_SDCA_ENT_HID01, ES9356_SDCA_CTL_HIDTX_CURRENT_OWNER, 0): + case SDW_SDCA_CTL(FUNC_NUM_UAJ, ES9356_SDCA_ENT_GE35, ES9356_SDCA_CTL_DETECTED_MODE, 0): + case SDW_SDCA_CTL(FUNC_NUM_UAJ, ES9356_SDCA_ENT_GE35, ES9356_SDCA_CTL_SELECTED_MODE, 0): + case SDW_SDCA_CTL(FUNC_NUM_AMP, ES9356_SDCA_ENT_PDE23, ES9356_SDCA_CTL_REQ_POWER_STATE, 0): + case SDW_SDCA_CTL(FUNC_NUM_AMP, ES9356_SDCA_ENT_PDE23, ES9356_SDCA_CTL_ACTUAL_POWER_STATE, 0): + case SDW_SDCA_CTL(FUNC_NUM_MIC, ES9356_SDCA_ENT_PDE11, ES9356_SDCA_CTL_REQ_POWER_STATE, 0): + case SDW_SDCA_CTL(FUNC_NUM_MIC, ES9356_SDCA_ENT_PDE11, ES9356_SDCA_CTL_ACTUAL_POWER_STATE, 0): + case SDW_SDCA_CTL(FUNC_NUM_UAJ, ES9356_SDCA_ENT_PDE47, ES9356_SDCA_CTL_REQ_POWER_STATE, 0): + case SDW_SDCA_CTL(FUNC_NUM_UAJ, ES9356_SDCA_ENT_PDE47, ES9356_SDCA_CTL_ACTUAL_POWER_STATE, 0): + case SDW_SDCA_CTL(FUNC_NUM_UAJ, ES9356_SDCA_ENT_PDE34, ES9356_SDCA_CTL_REQ_POWER_STATE, 0): + case SDW_SDCA_CTL(FUNC_NUM_UAJ, ES9356_SDCA_ENT_PDE34, ES9356_SDCA_CTL_ACTUAL_POWER_STATE, 0): + case ES9356_FLAGS_HP: + return true; + default: + return false; + } +} + +static const struct regmap_config es9356_sdca_regmap = { + .reg_bits = 32, + .val_bits = 16, + .volatile_reg = es9356_sdca_volatile_register, + .max_register = 0x45ffffff, + .cache_type = REGCACHE_MAPLE, + .use_single_read = true, + .use_single_write = true, +}; + +static void es9356_register_init(struct es9356_sdw_priv *es9356) +{ + regmap_write(es9356->regmap, ES9356_STATE, 0x02); + regmap_write(es9356->regmap, ES9356_ENDPOINT_MODE, 0x24); + regmap_write(es9356->regmap, ES9356_PRE_DIV_CTL, 0x00); + regmap_write(es9356->regmap, ES9356_ADC_OSR, 0x18); + regmap_write(es9356->regmap, ES9356_ADC_OSRGAIN, 0x13); + regmap_write(es9356->regmap, ES9356_DAC_OSR, 0x16); + regmap_write(es9356->regmap, ES9356_CLK_CTL, 0x0f); + regmap_write(es9356->regmap, ES9356_CSM_RESET, 0x01); + regmap_write(es9356->regmap, ES9356_CLK_SEL, 0x30); + + regmap_write(es9356->regmap, ES9356_DETCLK_CTL, 0x51); + regmap_write(es9356->regmap, ES9356_HP_TYPE, 0x10); + regmap_write(es9356->regmap, ES9356_MICBIAS_CTL, 0x10); + regmap_write(es9356->regmap, ES9356_HPDETECT_CTL, 0x07); + regmap_write(es9356->regmap, ES9356_ADC_ANA, 0x30); + regmap_write(es9356->regmap, ES9356_PGA_CTL, 0xa8); + regmap_write(es9356->regmap, ES9356_ADC_INT, 0xaa); + regmap_write(es9356->regmap, ES9356_ADC_LP, 0x19); + regmap_write(es9356->regmap, ES9356_VMID1SEL, 0xbc); + regmap_write(es9356->regmap, ES9356_VMID_TIME, 0x0b); + regmap_write(es9356->regmap, ES9356_STATE_TIME, 0xbb); + regmap_write(es9356->regmap, ES9356_HP_SPK_TIME, 0x77); + regmap_write(es9356->regmap, ES9356_HP_DETECTTIME, 0xa4); + regmap_write(es9356->regmap, ES9356_MICBIAS_SEL, 0x15); + regmap_write(es9356->regmap, ES9356_KEY_PRESS_TIME, 0xff); + regmap_write(es9356->regmap, ES9356_KEY_RELEASE_TIME, 0xff); + regmap_write(es9356->regmap, ES9356_KEY_HOLD_TIME, 0x0f); + regmap_write(es9356->regmap, ES9356_BTSEL_REF, 0x00); + regmap_write(es9356->regmap, ES9356_KEYD_DETECT, 0x18); + regmap_write(es9356->regmap, ES9356_MICBIAS_RES, 0x03); + regmap_write(es9356->regmap, ES9356_BUTTON_CHARGE, 0x00); + regmap_write(es9356->regmap, ES9356_CALIBRATION_TIME, 0x13); + regmap_write(es9356->regmap, ES9356_CALIBRATION_SETTING, 0xf4); + + regmap_write(es9356->regmap, ES9356_SPK_VOLUME, 0x33); + regmap_write(es9356->regmap, ES9356_DAC_VROI, 0x01); + regmap_write(es9356->regmap, ES9356_DAC_LP, 0x00); + regmap_write(es9356->regmap, ES9356_HP_IBIAS, 0x04); + regmap_write(es9356->regmap, ES9356_HP_LP, 0x03); + regmap_write(es9356->regmap, ES9356_SPKLDO_CTL, 0x65); + regmap_write(es9356->regmap, ES9356_SPKBIAS_COMP, 0x09); + regmap_write(es9356->regmap, ES9356_VMID1STL, 0x00); + regmap_write(es9356->regmap, ES9356_VMID2STL, 0x00); + regmap_write(es9356->regmap, ES9356_VSEL, 0xfc); + + regmap_write(es9356->regmap, ES9356_IBIASGEN, 0x10); + regmap_write(es9356->regmap, ES9356_ADC_AMIC_CTL, 0x0d); + regmap_write(es9356->regmap, ES9356_STATE, 0x0e); + regmap_write(es9356->regmap, ES9356_CSM_RESET, 0x00); + regmap_write(es9356->regmap, ES9356_HP_TYPE, 0x08); + + regmap_write(es9356->regmap, + SDW_SDCA_CTL(FUNC_NUM_MIC, ES9356_SDCA_ENT_FU113, ES9356_SDCA_CTL_FU_VOLUME, CH_L), ES9356_DEFAULT_VOLUME); + regmap_write(es9356->regmap, + SDW_SDCA_CTL(FUNC_NUM_MIC, ES9356_SDCA_ENT_FU113, ES9356_SDCA_CTL_FU_VOLUME, CH_R), ES9356_DEFAULT_VOLUME); + + regmap_write(es9356->regmap, + SDW_SDCA_CTL(FUNC_NUM_AMP, ES9356_SDCA_ENT_FU21, ES9356_SDCA_CTL_FU_VOLUME, CH_L), ES9356_DEFAULT_VOLUME); + regmap_write(es9356->regmap, + SDW_SDCA_CTL(FUNC_NUM_AMP, ES9356_SDCA_ENT_FU21, ES9356_SDCA_CTL_FU_VOLUME, CH_R), ES9356_DEFAULT_VOLUME); + + regmap_write(es9356->regmap, + SDW_SDCA_CTL(FUNC_NUM_UAJ, ES9356_SDCA_ENT_FU41, ES9356_SDCA_CTL_FU_VOLUME, CH_L), ES9356_DEFAULT_VOLUME); + regmap_write(es9356->regmap, + SDW_SDCA_CTL(FUNC_NUM_UAJ, ES9356_SDCA_ENT_FU41, ES9356_SDCA_CTL_FU_VOLUME, CH_R), ES9356_DEFAULT_VOLUME); + + regmap_write(es9356->regmap, + SDW_SDCA_CTL(FUNC_NUM_UAJ, ES9356_SDCA_ENT_FU36, ES9356_SDCA_CTL_FU_VOLUME, CH_L), ES9356_DEFAULT_VOLUME); + regmap_write(es9356->regmap, + SDW_SDCA_CTL(FUNC_NUM_UAJ, ES9356_SDCA_ENT_FU36, ES9356_SDCA_CTL_FU_VOLUME, CH_R), ES9356_DEFAULT_VOLUME); +} + +static int es9356_sdca_io_init(struct device *dev, struct sdw_slave *slave) +{ + struct es9356_sdw_priv *es9356 = dev_get_drvdata(&slave->dev); + + if (es9356->hw_init) + return 0; + + es9356->disable_irq = false; + + regcache_cache_only(es9356->regmap, false); + + if (es9356->first_hw_init) { + regcache_cache_bypass(es9356->regmap, true); + } else { + /* update count of parent 'active' children */ + pm_runtime_set_active(&slave->dev); + + es9356_register_init(es9356); + } + pm_runtime_get_noresume(&slave->dev); + + regmap_write(es9356->regmap, + SDW_SDCA_CTL(FUNC_NUM_MIC, ES9356_SDCA_ENT_XU12, ES9356_SDCA_CTL_SELECTED_MODE, 0), 0x01); + regmap_write(es9356->regmap, + SDW_SDCA_CTL(FUNC_NUM_MIC, ES9356_SDCA_ENT0, ES9356_SDCA_CTL_FUNC_STATUS, 0), 0x40); + regmap_write(es9356->regmap, + SDW_SDCA_CTL(FUNC_NUM_AMP, ES9356_SDCA_ENT_XU22, ES9356_SDCA_CTL_SELECTED_MODE, 0), 0x01); + regmap_write(es9356->regmap, + SDW_SDCA_CTL(FUNC_NUM_AMP, ES9356_SDCA_ENT0, ES9356_SDCA_CTL_FUNC_STATUS, 0), 0x40); + regmap_write(es9356->regmap, + SDW_SDCA_CTL(FUNC_NUM_UAJ, ES9356_SDCA_ENT_XU42, ES9356_SDCA_CTL_SELECTED_MODE, 0), 0x01); + regmap_write(es9356->regmap, + SDW_SDCA_CTL(FUNC_NUM_UAJ, ES9356_SDCA_ENT_XU36, ES9356_SDCA_CTL_SELECTED_MODE, 0), 0x01); + regmap_write(es9356->regmap, + SDW_SDCA_CTL(FUNC_NUM_UAJ, ES9356_SDCA_ENT0, ES9356_SDCA_CTL_FUNC_STATUS, 0), 0x40); + + if (es9356->first_hw_init) { + regcache_cache_bypass(es9356->regmap, false); + regcache_mark_dirty(es9356->regmap); + } else + es9356->first_hw_init = true; + + es9356->hw_init = true; + + pm_runtime_mark_last_busy(&slave->dev); + pm_runtime_put_autosuspend(&slave->dev); + + return 0; +} + +static int es9356_sdw_update_status(struct sdw_slave *slave, + enum sdw_slave_status status) +{ + struct es9356_sdw_priv *es9356 = dev_get_drvdata(&slave->dev); + + if (status == SDW_SLAVE_UNATTACHED) { + es9356->hw_init = false; + cancel_delayed_work_sync(&es9356->interrupt_handle_work); + cancel_delayed_work_sync(&es9356->button_detect_work); + regcache_cache_only(es9356->regmap, true); + } + + if (status == SDW_SLAVE_ATTACHED) { + if (es9356->hs_jack) + sdw_write_no_pm(es9356->slave, SDW_SCP_SDCA_INTMASK1, + (SDW_SCP_SDCA_INTMASK_SDCA_7 | SDW_SCP_SDCA_INTMASK_SDCA_5 | SDW_SCP_SDCA_INTMASK_SDCA_1)); + } + + if (es9356->hw_init || status != SDW_SLAVE_ATTACHED) + return 0; + + return es9356_sdca_io_init(&slave->dev, slave); +} + +static int es9356_sdw_read_prop(struct sdw_slave *slave) +{ + struct sdw_slave_prop *prop = &slave->prop; + int nval; + int i, j; + u32 bit; + unsigned long addr; + struct sdw_dpn_prop *dpn; + + prop->paging_support = true; + + /* + * first we need to allocate memory for set bits in port lists + * the port allocation is completely arbitrary: + * DP0 is not supported + * DP3 and DP4 is sink + * DP1 and DP2 is source + */ + prop->source_ports = BIT(1) | BIT(2); + prop->sink_ports = BIT(3) | BIT(4); + + nval = hweight32(prop->source_ports); + prop->src_dpn_prop = devm_kcalloc(&slave->dev, nval, + sizeof(*prop->src_dpn_prop), + GFP_KERNEL); + if (!prop->src_dpn_prop) + return -ENOMEM; + + i = 0; + dpn = prop->src_dpn_prop; + addr = prop->source_ports; + for_each_set_bit(bit, &addr, 32) { + dpn[i].num = bit; + dpn[i].type = SDW_DPN_FULL; + dpn[i].simple_ch_prep_sm = true; + i++; + } + + /* do this again for sink now */ + nval = hweight32(prop->sink_ports); + prop->sink_dpn_prop = devm_kcalloc(&slave->dev, nval, + sizeof(*prop->sink_dpn_prop), + GFP_KERNEL); + if (!prop->sink_dpn_prop) + return -ENOMEM; + + j = 0; + dpn = prop->sink_dpn_prop; + addr = prop->sink_ports; + for_each_set_bit(bit, &addr, 32) { + dpn[j].num = bit; + dpn[j].type = SDW_DPN_FULL; + dpn[j].simple_ch_prep_sm = true; + j++; + } + + /* wake-up event */ + prop->wake_capable = 1; + + return 0; +} + +static int es9356_sdw_interrupt_callback(struct sdw_slave *slave, + struct sdw_slave_intr_status *status) +{ + struct es9356_sdw_priv *es9356 = dev_get_drvdata(&slave->dev); + unsigned int sdca_cascade, scp_sdca_stat1 = 0; + int count = 0, retry = 3; + int ret, stat, reg; + + mutex_lock(&es9356->disable_irq_lock); + + ret = sdw_read_no_pm(es9356->slave, SDW_SCP_SDCA_INT1); + if (ret < 0) + goto io_error; + es9356->sdca_status = ret; + + do { + reg = sdw_read_no_pm(es9356->slave, SDW_SCP_SDCA_INT1); + if (reg < 0) + goto io_error; + if (reg & SDW_SCP_SDCA_INTMASK_SDCA_1) { + ret = sdw_update_no_pm(es9356->slave, SDW_SCP_SDCA_INT1, + SDW_SCP_SDCA_INT_SDCA_1, SDW_SCP_SDCA_INT_SDCA_1); + if (ret < 0) + goto io_error; + } + + if (reg & SDW_SCP_SDCA_INTMASK_SDCA_5) { + ret = sdw_update_no_pm(es9356->slave, SDW_SCP_SDCA_INT1, + SDW_SCP_SDCA_INT_SDCA_5, SDW_SCP_SDCA_INT_SDCA_5); + if (ret < 0) + goto io_error; + } + + if (reg & SDW_SCP_SDCA_INTMASK_SDCA_7) { + ret = sdw_update_no_pm(es9356->slave, SDW_SCP_SDCA_INT1, + SDW_SCP_SDCA_INT_SDCA_7, SDW_SCP_SDCA_INT_SDCA_7); + if (ret < 0) + goto io_error; + } + + ret = sdw_read_no_pm(es9356->slave, SDW_DP0_INT); + if (ret < 0) + goto io_error; + sdca_cascade = ret & SDW_DP0_SDCA_CASCADE; + + ret = sdw_read_no_pm(es9356->slave, SDW_SCP_SDCA_INT1); + if (ret < 0) + goto io_error; + scp_sdca_stat1 = ret & + (SDW_SCP_SDCA_INTMASK_SDCA_1 | SDW_SCP_SDCA_INTMASK_SDCA_5 | SDW_SCP_SDCA_INTMASK_SDCA_7); + + stat = scp_sdca_stat1 || sdca_cascade; + + count++; + } while (stat != 0 && count < retry); + + /* The 280 ms figure was determined through testing */ + if (status->sdca_cascade && !es9356->disable_irq) + mod_delayed_work(system_power_efficient_wq, + &es9356->interrupt_handle_work, msecs_to_jiffies(280)); + + mutex_unlock(&es9356->disable_irq_lock); + return 0; + +io_error: + mutex_unlock(&es9356->disable_irq_lock); + pr_err_ratelimited("IO error in %s, ret %d\n", __func__, ret); + return ret; +} + +static const struct sdw_slave_ops es9356_sdw_slave_ops = { + .read_prop = es9356_sdw_read_prop, + .interrupt_callback = es9356_sdw_interrupt_callback, + .update_status = es9356_sdw_update_status, +}; + +static int es9356_sdca_init(struct device *dev, struct regmap *regmap, struct sdw_slave *slave) +{ + struct es9356_sdw_priv *es9356; + int ret; + + es9356 = devm_kzalloc(dev, sizeof(*es9356), GFP_KERNEL); + if (!es9356) + return -ENOMEM; + + dev_set_drvdata(dev, es9356); + + es9356->slave = slave; + es9356->regmap = regmap; + mutex_init(&es9356->disable_irq_lock); + mutex_init(&es9356->pde_lock); + + regcache_cache_only(es9356->regmap, true); + + es9356->hw_init = false; + es9356->first_hw_init = false; + + INIT_DELAYED_WORK(&es9356->interrupt_handle_work, + es9356_interrupt_handler); + INIT_DELAYED_WORK(&es9356->button_detect_work, + es9356_button_detect_handler); + + ret = devm_snd_soc_register_component(dev, + &snd_soc_es9356_sdw_component, + es9356_sdw_dai, + ARRAY_SIZE(es9356_sdw_dai)); + if (ret) { + dev_err_probe(dev, ret, "Failed to register component\n"); + return ret; + } + /* set autosuspend parameters */ + pm_runtime_set_autosuspend_delay(dev, 3000); + pm_runtime_use_autosuspend(dev); + /* make sure the device does not suspend immediately */ + pm_runtime_mark_last_busy(dev); + pm_runtime_enable(dev); + + return 0; +} + +static int es9356_sdw_probe(struct sdw_slave *slave, + const struct sdw_device_id *id) +{ + struct regmap *regmap; + + regmap = devm_regmap_init_sdw_mbq_cfg(&slave->dev, slave, &es9356_sdca_regmap, &es9356_mbq_config); + if (IS_ERR(regmap)) + return PTR_ERR(regmap); + + return es9356_sdca_init(&slave->dev, regmap, slave); +} + +static void es9356_sdw_remove(struct sdw_slave *slave) +{ + struct es9356_sdw_priv *es9356 = dev_get_drvdata(&slave->dev); + + if (es9356->hw_init) { + cancel_delayed_work_sync(&es9356->interrupt_handle_work); + cancel_delayed_work_sync(&es9356->button_detect_work); + } + + if (es9356->first_hw_init) + pm_runtime_disable(&slave->dev); + + mutex_destroy(&es9356->disable_irq_lock); + mutex_destroy(&es9356->pde_lock); +} + +static const struct sdw_device_id es9356_sdw_id[] = { + SDW_SLAVE_ENTRY_EXT(0x04b3, 0x9356, 0x02, 0, 0), + SDW_SLAVE_ENTRY_EXT(0x04b3, 0x9356, 0x03, 0, 0), + {}, +}; +MODULE_DEVICE_TABLE(sdw, es9356_sdw_id); + +static int es9356_sdca_dev_suspend(struct device *dev) +{ + struct es9356_sdw_priv *es9356 = dev_get_drvdata(dev); + + cancel_delayed_work_sync(&es9356->interrupt_handle_work); + cancel_delayed_work_sync(&es9356->button_detect_work); + + regcache_cache_only(es9356->regmap, true); + + return 0; +} + +static int es9356_sdca_dev_system_suspend(struct device *dev) +{ + struct es9356_sdw_priv *es9356 = dev_get_drvdata(dev); + + scoped_guard(mutex, &es9356->disable_irq_lock) + es9356->disable_irq = true; + + return es9356_sdca_dev_suspend(dev); +} + +#define es9356_PROBE_TIMEOUT 2000 + +static int es9356_sdca_dev_resume(struct device *dev) +{ + struct sdw_slave *slave = dev_to_sdw_dev(dev); + struct es9356_sdw_priv *es9356 = dev_get_drvdata(dev); + int ret; + + if (!slave->unattach_request) + es9356->disable_irq = false; + + ret = sdw_slave_wait_for_init(slave, es9356_PROBE_TIMEOUT); + if (ret) { + sdw_show_ping_status(slave->bus, true); + return ret; + } + + regcache_cache_only(es9356->regmap, false); + regcache_sync(es9356->regmap); + return 0; +} + +static const struct dev_pm_ops es9356_sdca_pm = { + SYSTEM_SLEEP_PM_OPS(es9356_sdca_dev_system_suspend, es9356_sdca_dev_resume) + RUNTIME_PM_OPS(es9356_sdca_dev_suspend, es9356_sdca_dev_resume, NULL) +}; + +static struct sdw_driver es9356_sdw_driver = { + .driver = { + .name = "es9356", + .pm = pm_ptr(&es9356_sdca_pm), + }, + .probe = es9356_sdw_probe, + .remove = es9356_sdw_remove, + .ops = &es9356_sdw_slave_ops, + .id_table = es9356_sdw_id, +}; +module_sdw_driver(es9356_sdw_driver); + +MODULE_IMPORT_NS("SND_SOC_SDCA"); +MODULE_DESCRIPTION("ASoC ES9356 SDCA SDW codec driver"); +MODULE_AUTHOR("Michael Zhang <zhangyi@everest-semi.com>"); +MODULE_LICENSE("GPL"); |