// SPDX-License-Identifier: GPL-2.0-only // // es9356.c -- SoundWire codec driver // // Copyright(c) 2025 Everest Semiconductor Co., Ltd // // #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #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 "); MODULE_LICENSE("GPL");