esp_phy: support phy init on esp32h2 chip

components/esp_phy/src/phy_init_esp32hxx.c

@@ -0,0 +1,72 @@
+// Copyright 2015-2016 Espressif Systems (Shanghai) PTE LTD
+//
+// Licensed under the Apache License, Version 2.0 (the "License");
+// you may not use this file except in compliance with the License.
+// You may obtain a copy of the License at
+//
+//     http://www.apache.org/licenses/LICENSE-2.0
+//
+// Unless required by applicable law or agreed to in writing, software
+// distributed under the License is distributed on an "AS IS" BASIS,
+// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+// See the License for the specific language governing permissions and
+// limitations under the License.
+
+#include "esp_attr.h"
+#include "freertos/portmacro.h"
+#include "esp_phy_init.h"
+#include "phy.h"
+
+#define PHY_ENABLE_VERSION_PRINT 1
+
+static DRAM_ATTR portMUX_TYPE s_phy_int_mux = portMUX_INITIALIZER_UNLOCKED;
+extern void phy_version_print(void);
+
+static _lock_t s_phy_access_lock;
+
+/* Reference count of enabling PHY */
+static uint8_t s_phy_access_ref = 0;
+
+extern void bt_bb_v2_init_cmplx(int print_version);
+
+uint32_t IRAM_ATTR phy_enter_critical(void)
+{
+    if (xPortInIsrContext()) {
+        portENTER_CRITICAL_ISR(&s_phy_int_mux);
+
+    } else {
+        portENTER_CRITICAL(&s_phy_int_mux);
+    }
+    // Interrupt level will be stored in current tcb, so always return zero.
+    return 0;
+}
+
+void IRAM_ATTR phy_exit_critical(uint32_t level)
+{
+    // Param level don't need any more, ignore it.
+    if (xPortInIsrContext()) {
+        portEXIT_CRITICAL_ISR(&s_phy_int_mux);
+    } else {
+        portEXIT_CRITICAL(&s_phy_int_mux);
+    }
+}
+
+void esp_phy_enable(void)
+{
+    _lock_acquire(&s_phy_access_lock);
+    if (s_phy_access_ref == 0) {
+        register_chipv7_phy(NULL, NULL, PHY_RF_CAL_FULL);
+        bt_bb_v2_init_cmplx(PHY_ENABLE_VERSION_PRINT);
+        phy_version_print();
+    }
+
+    s_phy_access_ref++;
+
+    _lock_release(&s_phy_access_lock);
+    // ESP32H2-TODO: enable common clk.
+}
+
+void esp_phy_disable(void)
+{
+    // ESP32H2-TODO: close rf and disable clk for modem sleep and light sleep
+}