fix(esp_hw_support): fix MODEM_ADC_COMMON_FE destroyed by modem powerdown lightsleep

components/esp_adc/adc_oneshot.c

@@ -1,5 +1,5 @@
 /*
- * SPDX-FileCopyrightText: 2019-2023 Espressif Systems (Shanghai) CO LTD
+ * SPDX-FileCopyrightText: 2019-2025 Espressif Systems (Shanghai) CO LTD
  *
  * SPDX-License-Identifier: Apache-2.0
  */
@@ -16,6 +16,7 @@
 #include "driver/rtc_io.h"
 #include "esp_adc/adc_oneshot.h"
 #include "esp_clk_tree.h"
+#include "esp_sleep.h"
 #include "esp_private/adc_private.h"
 #include "esp_private/adc_share_hw_ctrl.h"
 #include "esp_private/sar_periph_ctrl.h"
@@ -125,6 +126,16 @@ esp_err_t adc_oneshot_new_unit(const adc_oneshot_unit_init_cfg_t *init_config, a
 
     ESP_LOGD(TAG, "new adc unit%"PRId32" is created", unit->unit_id);
     *ret_unit = unit;
+
+#if CONFIG_PM_POWER_DOWN_PERIPHERAL_IN_LIGHT_SLEEP
+    //TODO: IDF-8475: Depends to SLEEP_RETENTION_MODULE_CLOCK_MODEM retention module after ADC retention supported.
+#if SOC_PM_SUPPORT_MODEM_PD
+    ESP_ERROR_CHECK(esp_sleep_pd_config(ESP_PD_DOMAIN_MODEM, ESP_PD_OPTION_ON));
+    ESP_ERROR_CHECK(esp_sleep_pd_config(ESP_PD_DOMAIN_TOP, ESP_PD_OPTION_ON));
+#endif
+#elif ADC_LL_ADC_FE_ON_MODEM_DOMAIN
+    ESP_ERROR_CHECK(esp_sleep_pd_config(ESP_PD_DOMAIN_MODEM, ESP_PD_OPTION_ON));
+#endif
     return ESP_OK;
 
 err:
@@ -235,6 +246,15 @@ esp_err_t adc_oneshot_del_unit(adc_oneshot_unit_handle_t handle)
     _lock_release(&s_ctx.mutex);
 #endif
 
+#if CONFIG_PM_POWER_DOWN_PERIPHERAL_IN_LIGHT_SLEEP
+    //TODO: IDF-8475: Depends to SLEEP_RETENTION_MODULE_CLOCK_MODEM retention module after ADC retention supported.
+#if SOC_PM_SUPPORT_MODEM_PD
+    esp_sleep_pd_config(ESP_PD_DOMAIN_MODEM, ESP_PD_OPTION_OFF);
+    esp_sleep_pd_config(ESP_PD_DOMAIN_TOP, ESP_PD_OPTION_OFF);
+#endif
+#elif ADC_LL_ADC_FE_ON_MODEM_DOMAIN
+    esp_sleep_pd_config(ESP_PD_DOMAIN_MODEM, ESP_PD_OPTION_OFF);
+#endif
     return ESP_OK;
 }
 

components/esp_hw_support/modem_clock.c

@@ -204,7 +204,6 @@ static void IRAM_ATTR modem_clock_device_enable(modem_clock_context_t *ctx, uint
         }
     }
     portEXIT_CRITICAL_SAFE(&ctx->lock);
-    assert(refs >= 0);
 }
 
 static void IRAM_ATTR modem_clock_device_disable(modem_clock_context_t *ctx, uint32_t dev_map)

components/hal/esp32c6/include/hal/adc_ll.h

@@ -38,6 +38,8 @@ extern "C" {
 #define ADC_LL_GET_HIGH_THRES_MASK(monitor_id)    ((monitor_id == 0) ? APB_SARADC_APB_SARADC_THRES0_HIGH_INT_ST_M : APB_SARADC_APB_SARADC_THRES1_HIGH_INT_ST_M)
 #define ADC_LL_GET_LOW_THRES_MASK(monitor_id)     ((monitor_id == 0) ? APB_SARADC_APB_SARADC_THRES0_LOW_INT_ST_M : APB_SARADC_APB_SARADC_THRES1_LOW_INT_ST_M)
 
+#define ADC_LL_ADC_FE_ON_MODEM_DOMAIN               (1)
+
 /*---------------------------------------------------------------
                     Oneshot
 ---------------------------------------------------------------*/

components/hal/esp32h2/include/hal/adc_ll.h

@@ -38,6 +38,8 @@ extern "C" {
 #define ADC_LL_GET_HIGH_THRES_MASK(monitor_id)    ((monitor_id == 0) ? APB_SARADC_APB_SARADC_THRES0_HIGH_INT_ST_M : APB_SARADC_APB_SARADC_THRES1_HIGH_INT_ST_M)
 #define ADC_LL_GET_LOW_THRES_MASK(monitor_id)     ((monitor_id == 0) ? APB_SARADC_APB_SARADC_THRES0_LOW_INT_ST_M : APB_SARADC_APB_SARADC_THRES1_LOW_INT_ST_M)
 
+#define ADC_LL_ADC_FE_ON_MODEM_DOMAIN               (1)
+
 /*---------------------------------------------------------------
                     Oneshot
 ---------------------------------------------------------------*/