feat(ble): supported placing bt function in iram on esp32-h4 and esp32-s31

components/bt/controller/linker_esp_ble_controller.lf

@@ -10,6 +10,24 @@ entries:
 entries:
     .adv_fast_execute_code_iram1+
 
+[sections:sleep_text]
+entries:
+    .iram_sleep+
+    .iram_btslp+
+
+[sections:sleep_text_adv]
+entries:
+    .iram_sleep_adv+
+
+[sections:sleep_text_conn]
+entries:
+    .iram_sleep_conn+
+
+[sections:sleep_single_sleep]
+entries:
+    .iram_single_sleep+
+
+
 [scheme:bt_default]
 entries:
     bt_bss -> dram0_bss
@@ -27,6 +45,26 @@ entries:
     else:
         adv_fast_execute_code_iram_text -> flash_text
 
+    if BT_CTRL_SLEEP_RELATED_CODE_IN_IRAM = y:
+        sleep_text -> iram0_text
+    else:
+        sleep_text -> flash_text
+
+    if BT_CTRL_LE_ADV_SLEEP_CODE_IN_IRAM = y:
+        sleep_text_adv->iram0_text
+    else:
+        sleep_text_adv->flash_text
+
+    if BT_CTRL_LE_CONN_SLEEP_CODE_IN_IRAM = y:
+        sleep_text_conn->iram0_text
+    else:
+        sleep_text_conn->flash_text
+
+    if BT_CTRL_SLEEP_RELATED_CODE_IN_IRAM = y || BT_CTRL_RUN_IN_FLASH_ONLY = n:
+        sleep_single_sleep->iram0_text
+    else:
+        sleep_single_sleep->flash_text
+
 # For the following fragments, order matters for
 # 'ALIGN(4) ALIGN(4, post) SURROUND(sym)', which generates:
 #

components/bt/controller/linker_esp_btdm_controller.lf

@@ -10,6 +10,23 @@ entries:
 entries:
     .adv_fast_execute_code_iram1+
 
+[sections:sleep_text]
+entries:
+    .iram_sleep+
+    .iram_btslp+
+
+[sections:sleep_text_adv]
+entries:
+    .iram_sleep_adv+
+
+[sections:sleep_text_conn]
+entries:
+    .iram_sleep_conn+
+
+[sections:sleep_single_sleep]
+entries:
+    .iram_single_sleep+
+
 [scheme:bt_default]
 entries:
     bt_bss -> dram0_bss
@@ -27,6 +44,26 @@ entries:
     else:
         adv_fast_execute_code_iram_text -> flash_text
 
+    if BT_CTRL_SLEEP_RELATED_CODE_IN_IRAM = y:
+        sleep_text -> iram0_text
+    else:
+        sleep_text -> flash_text
+
+    if BT_CTRL_LE_ADV_SLEEP_CODE_IN_IRAM = y:
+        sleep_text_adv->iram0_text
+    else:
+        sleep_text_adv->flash_text
+
+    if BT_CTRL_LE_CONN_SLEEP_CODE_IN_IRAM = y:
+        sleep_text_conn->iram0_text
+    else:
+        sleep_text_conn->flash_text
+
+    if BT_CTRL_SLEEP_RELATED_CODE_IN_IRAM = y || BT_CTRL_RUN_IN_FLASH_ONLY = n:
+        sleep_single_sleep->iram0_text
+    else:
+        sleep_single_sleep->flash_text
+
 # For the following fragments, order matters for
 # 'ALIGN(4) ALIGN(4, post) SURROUND(sym)', which generates:
 #

components/bt/porting_btdm/Kconfig.in

@@ -27,7 +27,7 @@ config BT_CTRL_TASK_STACK_SIZE
     help
         This configures stack size of NimBLE controller task
 
-config BT_CTRL_SLEEP_ENABLE
+menuconfig BT_CTRL_SLEEP_ENABLE
     bool "Enable Bluetooth Controller sleep"
     default n
     help
@@ -55,6 +55,30 @@ choice BT_CTRL_LP_CLK_SRC
 
 endchoice
 
+config BT_CTRL_SLEEP_RELATED_CODE_IN_IRAM
+    bool "Put sleep related code into IRAM to optimize power consumption"
+    default n
+    depends on BT_CTRL_SLEEP_ENABLE
+    help
+        Put frequently-executed sleep functions into IRAM for faster execution
+        and lower power consumption. Occupies extra 3 KB RAM.
+
+config BT_CTRL_LE_ADV_SLEEP_CODE_IN_IRAM
+    bool "Put BLE advertising sleep code into IRAM"
+    default y
+    depends on BT_CTRL_SLEEP_RELATED_CODE_IN_IRAM && BT_CTRL_BLE_ENABLE
+    help
+        Put frequently-executed advertising functions into IRAM.
+        Occupies extra 8 KB RAM.
+
+config BT_CTRL_LE_CONN_SLEEP_CODE_IN_IRAM
+    bool "Put BLE connection sleep code into IRAM"
+    default y
+    depends on BT_CTRL_SLEEP_RELATED_CODE_IN_IRAM && BT_CTRL_BLE_ENABLE
+    help
+        Put frequently-executed connection functions into IRAM.
+        Occupies extra 8 KB RAM.
+
 config BT_DUAL_MODE_ARCH
     bool
     default y

components/bt/porting_btdm/controller/btdm_common/src/btdm_lp.c

@@ -37,15 +37,26 @@
  */
 #define BTDM_LOG_TAG "BTDM_SLEEP"
 
-#define BTDM_RTC_DELAY_US_LIGHT_SLEEP (2000)
+#define BTDM_RTC_DELAY_US_LIGHT_SLEEP (1800)
 #define BTDM_RTC_DELAY_US_MODEM_SLEEP (1500)
 
+typedef union {
+    struct {
+        uint32_t rsv:31;
+        uint32_t bt_wakeup:1;
+    };
+    uint32_t val;
+} btdm_lp_wakeup_params_t;
+
 /*
  ***************************************************************************************************
  * External Functions
  ***************************************************************************************************
  */
 #if CONFIG_FREERTOS_USE_TICKLESS_IDLE
+#if UC_BT_CTRL_SLEEP_ENABLE
+static bool btdm_lp_check_wakeup_by_bt(void);
+#endif // UC_BT_CTRL_SLEEP_ENABLE
 extern bool r_btdm_sleep_should_skip_light_sleep_check(void);
 extern const sleep_retention_entries_config_t *r_btdm_mac_retention_link_get(uint8_t *size);
 extern void r_btdm_sleep_wake_up_overhead_set(uint32_t overhead);
@@ -73,6 +84,7 @@ static DRAM_ATTR esp_pm_lock_handle_t s_pm_lock = NULL;
 #endif // CONFIG_PM_ENABLE
 static uint32_t s_bt_xtal_lpclk_freq = 100000;
 static uint32_t s_bt_lpclk_freq = 0;
+static uint8_t s_btdm_lp_modem_clk_en = 0;
 
 /*
  ***************************************************************************************************
@@ -197,6 +209,21 @@ btdm_lp_timer_clk_deinit(void)
     modem_clock_deselect_lp_clock_source(PERIPH_BT_MODULE);
 }
 
+void IRAM_ATTR e_btdm_lp_modem_clock_set(bool enable)
+{
+    if (enable) {
+        if (!s_btdm_lp_modem_clk_en) {
+            modem_clock_module_enable(PERIPH_BT_MODULE);
+            s_btdm_lp_modem_clk_en = 1;
+        }
+    } else {
+        if (!s_bt_active && s_btdm_lp_modem_clk_en) {
+            modem_clock_module_disable(PERIPH_BT_MODULE);
+            s_btdm_lp_modem_clk_en = 0;
+        }
+    }
+}
+
 void
 btdm_lp_sleep_cb(uint32_t enable_tick, void *arg)
 {
@@ -213,17 +240,33 @@ btdm_lp_sleep_cb(uint32_t enable_tick, void *arg)
 void
 btdm_lp_wake_up_cb(void *arg)
 {
+    btdm_lp_wakeup_params_t *params;
+
     if (s_bt_active) {
         return;
     }
 #ifdef CONFIG_PM_ENABLE
     esp_pm_lock_acquire(s_pm_lock);
 #endif // CONFIG_PM_ENABLE
+    params = (btdm_lp_wakeup_params_t *)arg;
+    if (params) {
+        params->bt_wakeup = 0;
+    }
     esp_phy_enable(PHY_MODEM_BT);
+#if UC_BT_CTRL_SLEEP_ENABLE && CONFIG_FREERTOS_USE_TICKLESS_IDLE
+    if (params) {
+        params->bt_wakeup = btdm_lp_check_wakeup_by_bt();
+    }
+#endif // UC_BT_CTRL_SLEEP_ENABLE && CONFIG_FREERTOS_USE_TICKLESS_IDLE
     s_bt_active = true;
 }
 
 #if UC_BT_CTRL_SLEEP_ENABLE && CONFIG_FREERTOS_USE_TICKLESS_IDLE
+static bool btdm_lp_check_wakeup_by_bt(void)
+{
+   return (esp_sleep_get_wakeup_causes() & BIT(ESP_SLEEP_WAKEUP_BT));
+}
+
 static esp_err_t
 btdm_lp_modem_retention_create(void)
 {
@@ -307,7 +350,11 @@ btdm_lp_modem_state_deinit(void)
 void
 btdm_lp_enable_clock(esp_btdm_controller_config_t *cfg)
 {
-    modem_clock_module_enable(PERIPH_BT_MODULE);
+    if (!s_btdm_lp_modem_clk_en) {
+        modem_clock_module_enable(PERIPH_BT_MODULE);
+        s_btdm_lp_modem_clk_en = 1;
+    }
+    modem_clock_module_enable(PERIPH_BT_APB_MODULE);
     modem_clock_module_mac_reset(PERIPH_BT_MODULE);
     btdm_lp_timer_clk_init(cfg);
 }
@@ -316,7 +363,11 @@ void
 btdm_lp_disable_clock(void)
 {
     btdm_lp_timer_clk_deinit();
-    modem_clock_module_disable(PERIPH_BT_MODULE);
+    modem_clock_module_disable(PERIPH_BT_APB_MODULE);
+    if (s_btdm_lp_modem_clk_en) {
+        modem_clock_module_disable(PERIPH_BT_MODULE);
+        s_btdm_lp_modem_clk_en = 0;
+    }
 }
 
 int