--- /dev/null
+// SPDX-License-Identifier: GPL-2.0-only
+//
+// es9356.c -- SoundWire codec driver
+//
+// Copyright(c) 2025 Everest Semiconductor Co., Ltd
+//
+//
+
+#include <linux/device.h>
+#include <linux/mod_devicetable.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 <sound/sdca_function.h>
+#include <sound/sdca_regmap.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 */
+ mutex_lock(&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);
+
+ mutex_unlock(&es9356->pde_lock);
+
+ 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 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);
+
+ mutex_lock(&es9356->disable_irq_lock);
+ es9356->disable_irq = true;
+ mutex_unlock(&es9356->disable_irq_lock);
+
+ 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);
+ unsigned long time;
+
+ if (!slave->unattach_request) {
+ es9356->disable_irq = false;
+ goto regmap_sync;
+ }
+
+ time = wait_for_completion_timeout(&slave->initialization_complete,
+ msecs_to_jiffies(es9356_PROBE_TIMEOUT));
+ if (!time) {
+ dev_err(&slave->dev, "Initialization not complete, timed out\n");
+ sdw_show_ping_status(slave->bus, true);
+
+ return -ETIMEDOUT;
+ }
+
+regmap_sync:
+ slave->unattach_request = 0;
+ 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");
projects / thirdparty / kernel / linux.git / commitdiff
