add PHY init support

components/esp32/phy.h

@@ -0,0 +1,51 @@
+// 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.
+
+#pragma once
+#include "esp_phy_init.h"
+
+#ifdef __cplusplus
+extern "C" {
+#endif
+
+/**
+ * @file phy.h
+ * @brief Declarations for functions provided by libphy.a
+ */
+
+/**
+ * @brief Initialize function pointer table in PHY library.
+ * @note This function should be called before register_chipv7_phy.
+ */
+void phy_get_romfunc_addr(void);
+
+/**
+ * @brief Initialize PHY module and do RF calibration
+ * @param[in] init_data Initialization parameters to be used by the PHY
+ * @param[inout] cal_data As input, calibration data previously obtained. As output, will contain new calibration data.
+ * @param[in] cal_mode  RF calibration mode
+ * @return reserved for future use
+ */
+int register_chipv7_phy(const esp_phy_init_data_t* init_data, esp_phy_calibration_data_t *cal_data, esp_phy_calibration_mode_t cal_mode);
+
+/**
+ * @brief Get the format version of calibration data used by PHY library.
+ * @return Format version number
+ */
+uint32_t phy_get_rf_cal_version();
+
+#ifdef __cplusplus
+}
+#endif
+