wifi, bt: move esp_phy_common_clock_disable into periph_ctrl and put it into IRAM

Replace periph_module_enable/disable by periph_wifi_bt_common_module_enable which are in IRAM.
AddIRAM_ATTR periph_ll_wifi_bt_module_enable_clk_clear_rstandIRAM_ATTR periph_ll_wifi_bt_module_disable_clk_set_rstto fit O0 optimization level.
Delete duplicated spinlock and counter.

Author: YouDONG-ESP

components/driver/include/driver/periph_ctrl.h

@@ -67,6 +67,29 @@ void periph_module_disable(periph_module_t periph);
  */
 void periph_module_reset(periph_module_t periph);
 
+/**
+ * @brief      enable wifi bt common module
+ *
+ * @note If wifi_bt_common_module_enable is called a number of times,
+ *       wifi_bt_common_module_disable has to be called the same number of times
+ *       in order to put the peripheral into disabled state.
+ *
+ * @return     NULL 
+ * 
+ */
+void wifi_bt_common_module_enable(void);
+
+/**
+ * @brief      disable wifi bt common module
+ *
+ * @note If wifi_bt_common_module_enable is called a number of times,
+ *       wifi_bt_common_module_disable has to be called the same number of times
+ *       in order to put the peripheral into disabled state.
+ *
+ * @return     NULL 
+ * 
+ */
+void wifi_bt_common_module_disable(void);
 
 #ifdef __cplusplus
 }

components/driver/periph_ctrl.c

@@ -48,3 +48,23 @@ void periph_module_reset(periph_module_t periph)
     periph_ll_reset(periph);
     portEXIT_CRITICAL_SAFE(&periph_spinlock);
 }
+
+IRAM_ATTR void wifi_bt_common_module_enable(void)
+{
+    portENTER_CRITICAL_SAFE(&periph_spinlock);
+    if (ref_counts[PERIPH_WIFI_BT_COMMON_MODULE] == 0) {
+        periph_ll_wifi_bt_module_enable_clk_clear_rst();
+    }
+    ref_counts[PERIPH_WIFI_BT_COMMON_MODULE]++;
+    portEXIT_CRITICAL_SAFE(&periph_spinlock);
+}
+
+IRAM_ATTR void wifi_bt_common_module_disable(void)
+{
+    portENTER_CRITICAL_SAFE(&periph_spinlock);
+    ref_counts[PERIPH_WIFI_BT_COMMON_MODULE]--;
+    if (ref_counts[PERIPH_WIFI_BT_COMMON_MODULE] == 0) {
+        periph_ll_wifi_bt_module_disable_clk_set_rst();
+    }
+    portEXIT_CRITICAL_SAFE(&periph_spinlock);
+} 

components/esp_wifi/src/phy_init.c

@@ -56,14 +56,6 @@ static uint32_t s_module_phy_rf_init = 0;
 /* Whether modem sleep is turned on */
 static volatile bool s_is_phy_rf_en = false;
 
-#if CONFIG_IDF_TARGET_ESP32
-/* Whether WiFi/BT common clock enabled reference */
-static volatile int32_t s_common_clock_enable_ref = 0;
-
-/* PHY spinlock mux */
-static portMUX_TYPE s_phy_spin_lock = portMUX_INITIALIZER_UNLOCKED;
-#endif
-
 /* Bit mask of modules needing to enter modem sleep mode */
 static uint32_t s_modem_sleep_module_enter = 0;
 
@@ -192,63 +184,16 @@ static inline void phy_update_wifi_mac_time(bool en_clock_stopped, int64_t now)
         }
     }
 }
-
-IRAM_ATTR static inline void phy_spin_lock(void)
-{
-    if (xPortInIsrContext()) {
-        portENTER_CRITICAL_ISR(&s_phy_spin_lock);
-    } else {
-        portENTER_CRITICAL(&s_phy_spin_lock);
-    }
-}
-
-IRAM_ATTR static inline void phy_spin_unlock(void)
-{
-    if (xPortInIsrContext()) {
-        portEXIT_CRITICAL_ISR(&s_phy_spin_lock);
-    } else {
-        portEXIT_CRITICAL(&s_phy_spin_lock);
-    }
-}
 #endif
 
 IRAM_ATTR void esp_phy_common_clock_enable(void)
 {
-#if CONFIG_IDF_TARGET_ESP32
-    phy_spin_lock();
-
-    if (s_common_clock_enable_ref == 0) {
-        // Enable WiFi/BT common clock
-        periph_module_enable(PERIPH_WIFI_BT_COMMON_MODULE);
-    }
-
-    s_common_clock_enable_ref++;
-    phy_spin_unlock();
-#else
-    periph_module_enable(PERIPH_WIFI_BT_COMMON_MODULE);
-#endif
+    wifi_bt_common_module_enable();
 }
 
 IRAM_ATTR void esp_phy_common_clock_disable(void)
 {
-#if CONFIG_IDF_TARGET_ESP32
-    phy_spin_lock();
-
-    if (s_common_clock_enable_ref > 0) {
-        s_common_clock_enable_ref --;
-
-        if (s_common_clock_enable_ref == 0) {
-            // Disable WiFi/BT common clock
-            periph_module_disable(PERIPH_WIFI_BT_COMMON_MODULE);
-        }
-    } else {
-        abort();
-    }
-
-    phy_spin_unlock();
-#else
-    periph_module_disable(PERIPH_WIFI_BT_COMMON_MODULE);
-#endif
+    wifi_bt_common_module_disable();
 }
 
 esp_err_t esp_phy_rf_init(const esp_phy_init_data_t* init_data, esp_phy_calibration_mode_t mode,

components/soc/src/esp32/include/hal/clk_gate_ll.h

@@ -242,6 +242,18 @@ static inline void periph_ll_disable_clk_set_rst(periph_module_t periph)
     DPORT_SET_PERI_REG_MASK(periph_ll_get_rst_en_reg(periph), periph_ll_get_rst_en_mask(periph, false));
 }
 
+static inline void IRAM_ATTR periph_ll_wifi_bt_module_enable_clk_clear_rst(void)
+{
+    DPORT_SET_PERI_REG_MASK(DPORT_WIFI_CLK_EN_REG, DPORT_WIFI_CLK_WIFI_BT_COMMON_M);
+    DPORT_CLEAR_PERI_REG_MASK(DPORT_CORE_RST_EN_REG, 0);
+}
+
+static inline void IRAM_ATTR periph_ll_wifi_bt_module_disable_clk_set_rst(void)
+{
+    DPORT_CLEAR_PERI_REG_MASK(DPORT_WIFI_CLK_EN_REG, DPORT_WIFI_CLK_WIFI_BT_COMMON_M);
+    DPORT_SET_PERI_REG_MASK(DPORT_CORE_RST_EN_REG, 0);
+}
+
 static inline void periph_ll_reset(periph_module_t periph)
 {
     DPORT_SET_PERI_REG_MASK(periph_ll_get_rst_en_reg(periph), periph_ll_get_rst_en_mask(periph, false));

components/soc/src/esp32s2/include/hal/clk_gate_ll.h

@@ -254,6 +254,18 @@ static inline void periph_ll_disable_clk_set_rst(periph_module_t periph)
     DPORT_SET_PERI_REG_MASK(periph_ll_get_rst_en_reg(periph), periph_ll_get_rst_en_mask(periph, false));
 }
 
+static inline void IRAM_ATTR periph_ll_wifi_bt_module_enable_clk_clear_rst(void)
+{
+    DPORT_SET_PERI_REG_MASK(DPORT_WIFI_CLK_EN_REG, DPORT_WIFI_CLK_WIFI_BT_COMMON_M);
+    DPORT_CLEAR_PERI_REG_MASK(DPORT_CORE_RST_EN_REG, 0);
+}
+
+static inline void IRAM_ATTR periph_ll_wifi_bt_module_disable_clk_set_rst(void)
+{
+    DPORT_CLEAR_PERI_REG_MASK(DPORT_WIFI_CLK_EN_REG, DPORT_WIFI_CLK_WIFI_BT_COMMON_M);
+    DPORT_SET_PERI_REG_MASK(DPORT_CORE_RST_EN_REG, 0);
+}
+
 static inline void periph_ll_reset(periph_module_t periph)
 {
     DPORT_SET_PERI_REG_MASK(periph_ll_get_rst_en_reg(periph), periph_ll_get_rst_en_mask(periph, false));