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			396 lines
		
	
	
		
			12 KiB
		
	
	
	
		
			C
		
	
	
	
	
	
			
		
		
	
	
			396 lines
		
	
	
		
			12 KiB
		
	
	
	
		
			C
		
	
	
	
	
	
| /*
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|  * SPDX-FileCopyrightText: 2019-2024 Espressif Systems (Shanghai) CO LTD
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|  *
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|  * SPDX-License-Identifier: Apache-2.0
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|  */
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| #pragma once
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| 
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| #include <stdbool.h>
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| #include "esp_eth_com.h"
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| #include "sdkconfig.h"
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| 
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| #ifdef __cplusplus
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| extern "C" {
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| #endif
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| 
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| #define ESP_ETH_PHY_ADDR_AUTO (-1)
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| 
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| /**
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|  * @brief Auto-negotiation controll commands
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|  *
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|  */
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| typedef enum {
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|     ESP_ETH_PHY_AUTONEGO_RESTART,
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|     ESP_ETH_PHY_AUTONEGO_EN,
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|     ESP_ETH_PHY_AUTONEGO_DIS,
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|     ESP_ETH_PHY_AUTONEGO_G_STAT,
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| } eth_phy_autoneg_cmd_t;
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| 
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| /**
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| * @brief Ethernet PHY
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| *
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| */
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| typedef struct esp_eth_phy_s esp_eth_phy_t;
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| 
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| /**
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| * @brief Ethernet PHY
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| *
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| */
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| struct esp_eth_phy_s {
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|     /**
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|     * @brief Set mediator for PHY
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|     *
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|     * @param[in] phy: Ethernet PHY instance
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|     * @param[in] mediator: mediator of Ethernet driver
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|     *
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|     * @return
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|     *      - ESP_OK: set mediator for Ethernet PHY instance successfully
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|     *      - ESP_ERR_INVALID_ARG: set mediator for Ethernet PHY instance failed because of some invalid arguments
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|     *
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|     */
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|     esp_err_t (*set_mediator)(esp_eth_phy_t *phy, esp_eth_mediator_t *mediator);
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| 
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|     /**
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|     * @brief Software Reset Ethernet PHY
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|     *
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|     * @param[in] phy: Ethernet PHY instance
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|     *
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|     * @return
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|     *      - ESP_OK: reset Ethernet PHY successfully
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|     *      - ESP_FAIL: reset Ethernet PHY failed because some error occurred
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|     *
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|     */
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|     esp_err_t (*reset)(esp_eth_phy_t *phy);
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| 
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|     /**
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|     * @brief Hardware Reset Ethernet PHY
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|     *
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|     * @note Hardware reset is mostly done by pull down and up PHY's nRST pin
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|     *
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|     * @param[in] phy: Ethernet PHY instance
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|     *
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|     * @return
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|     *      - ESP_OK: reset Ethernet PHY successfully
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|     *      - ESP_FAIL: reset Ethernet PHY failed because some error occurred
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|     *
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|     */
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|     esp_err_t (*reset_hw)(esp_eth_phy_t *phy);
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| 
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|     /**
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|     * @brief Initialize Ethernet PHY
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|     *
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|     * @param[in] phy: Ethernet PHY instance
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|     *
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|     * @return
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|     *      - ESP_OK: initialize Ethernet PHY successfully
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|     *      - ESP_FAIL: initialize Ethernet PHY failed because some error occurred
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|     *
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|     */
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|     esp_err_t (*init)(esp_eth_phy_t *phy);
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| 
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|     /**
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|     * @brief Deinitialize Ethernet PHY
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|     *
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|     * @param[in] phy: Ethernet PHY instance
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|     *
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|     * @return
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|     *      - ESP_OK: deinitialize Ethernet PHY successfully
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|     *      - ESP_FAIL: deinitialize Ethernet PHY failed because some error occurred
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|     *
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|     */
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|     esp_err_t (*deinit)(esp_eth_phy_t *phy);
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| 
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|     /**
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|     * @brief Configure auto negotiation
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|     *
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|     * @param[in] phy: Ethernet PHY instance
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|     * @param[in] cmd: Configuration command, it is possible to Enable (restart), Disable or get current status
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|     *                   of PHY auto negotiation
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|     * @param[out] autonego_en_stat: Address where to store current status of auto negotiation configuration
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|     *
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|     * @return
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|     *      - ESP_OK: restart auto negotiation successfully
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|     *      - ESP_FAIL: restart auto negotiation failed because some error occurred
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|     *      - ESP_ERR_INVALID_ARG: invalid command
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|     *
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|     */
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|     esp_err_t (*autonego_ctrl)(esp_eth_phy_t *phy, eth_phy_autoneg_cmd_t cmd, bool *autonego_en_stat);
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| 
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|     /**
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|     * @brief Get Ethernet PHY link status
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|     *
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|     * @param[in] phy: Ethernet PHY instance
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|     *
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|     * @return
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|     *      - ESP_OK: get Ethernet PHY link status successfully
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|     *      - ESP_FAIL: get Ethernet PHY link status failed because some error occurred
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|     *
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|     */
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|     esp_err_t (*get_link)(esp_eth_phy_t *phy);
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| 
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|     /**
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|     * @brief Set Ethernet PHY link status
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|     *
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|     * @param[in] phy: Ethernet PHY instance
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|     * @param[in] link new link status
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|     *
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|     * @return
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|     *      - ESP_OK: set Ethernet PHY link status successfully
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|     *      - ESP_FAIL: set Ethernet PHY link status failed because some error occurred
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|     *
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|     */
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|     esp_err_t (*set_link)(esp_eth_phy_t *phy, eth_link_t link);
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| 
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|     /**
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|     * @brief Power control of Ethernet PHY
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|     *
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|     * @param[in] phy: Ethernet PHY instance
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|     * @param[in] enable: set true to power on Ethernet PHY; ser false to power off Ethernet PHY
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|     *
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|     * @return
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|     *      - ESP_OK: control Ethernet PHY power successfully
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|     *      - ESP_FAIL: control Ethernet PHY power failed because some error occurred
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|     *
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|     */
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|     esp_err_t (*pwrctl)(esp_eth_phy_t *phy, bool enable);
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| 
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|     /**
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|     * @brief Set PHY chip address
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|     *
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|     * @param[in] phy: Ethernet PHY instance
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|     * @param[in] addr: PHY chip address
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|     *
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|     * @return
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|     *      - ESP_OK: set Ethernet PHY address successfully
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|     *      - ESP_FAIL: set Ethernet PHY address failed because some error occurred
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|     *
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|     */
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|     esp_err_t (*set_addr)(esp_eth_phy_t *phy, uint32_t addr);
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| 
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|     /**
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|     * @brief Get PHY chip address
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|     *
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|     * @param[in] phy: Ethernet PHY instance
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|     * @param[out] addr: PHY chip address
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|     *
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|     * @return
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|     *      - ESP_OK: get Ethernet PHY address successfully
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|     *      - ESP_ERR_INVALID_ARG: get Ethernet PHY address failed because of invalid argument
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|     *
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|     */
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|     esp_err_t (*get_addr)(esp_eth_phy_t *phy, uint32_t *addr);
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| 
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|     /**
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|     * @brief Advertise pause function supported by MAC layer
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|     *
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|     * @param[in] phy: Ethernet PHY instance
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|     * @param[out] addr: Pause ability
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|     *
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|     * @return
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|     *      - ESP_OK: Advertise pause ability successfully
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|     *      - ESP_ERR_INVALID_ARG: Advertise pause ability failed because of invalid argument
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|     *
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|     */
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|     esp_err_t (*advertise_pause_ability)(esp_eth_phy_t *phy, uint32_t ability);
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| 
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|     /**
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|     * @brief Sets the PHY to loopback mode
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|     *
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|     * @param[in] phy: Ethernet PHY instance
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|     * @param[in] enable: enables or disables PHY loopback
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|     *
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|     * @return
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|     *      - ESP_OK: PHY instance loopback mode has been configured successfully
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|     *      - ESP_FAIL: PHY instance loopback configuration failed because some error occurred
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|     *
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|     */
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|     esp_err_t (*loopback)(esp_eth_phy_t *phy, bool enable);
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| 
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|     /**
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|     * @brief Sets PHY speed mode
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|     *
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|     * @note Autonegotiation feature needs to be disabled prior to calling this function for the new
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|     *       setting to be applied
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|     *
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|     * @param[in] phy: Ethernet PHY instance
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|     * @param[in] speed: Speed mode to be set
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|     *
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|     * @return
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|     *      - ESP_OK: PHY instance speed mode has been configured successfully
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|     *      - ESP_FAIL: PHY instance speed mode configuration failed because some error occurred
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|     *
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|     */
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|     esp_err_t (*set_speed)(esp_eth_phy_t *phy, eth_speed_t speed);
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| 
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|     /**
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|     * @brief Sets PHY duplex mode
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|     *
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|     * @note Autonegotiation feature needs to be disabled prior to calling this function for the new
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|     *       setting to be applied
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|     *
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|     * @param[in] phy: Ethernet PHY instance
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|     * @param[in] duplex: Duplex mode to be set
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|     *
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|     * @return
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|     *      - ESP_OK: PHY instance duplex mode has been configured successfully
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|     *      - ESP_FAIL: PHY instance duplex mode configuration failed because some error occurred
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|     *
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|     */
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|     esp_err_t (*set_duplex)(esp_eth_phy_t *phy, eth_duplex_t duplex);
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| 
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|     /**
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|     * @brief Custom IO function of PHY driver. This function is intended to extend common options of esp_eth_ioctl to cover specifics of PHY chip.
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|     *
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|     * @note This function may not be assigned when the PHY chip supports only most common set of configuration options.
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|     *
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|     * @param[in] phy: Ethernet PHY instance
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|     * @param[in] cmd: IO control command
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|     * @param[in, out] data: address of data for `set` command or address where to store the data when used with `get` command
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|     *
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|     * @return
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|     *       - ESP_OK: process io command successfully
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|     *       - ESP_ERR_INVALID_ARG: process io command failed because of some invalid argument
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|     *       - ESP_FAIL: process io command failed because some other error occurred
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|     *       - ESP_ERR_NOT_SUPPORTED: requested feature is not supported
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|     */
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|     esp_err_t (*custom_ioctl)(esp_eth_phy_t *phy, uint32_t cmd, void *data);
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| 
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|     /**
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|     * @brief Free memory of Ethernet PHY instance
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|     *
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|     * @param[in] phy: Ethernet PHY instance
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|     *
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|     * @return
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|     *      - ESP_OK: free PHY instance successfully
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|     *      - ESP_FAIL: free PHY instance failed because some error occurred
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|     *
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|     */
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|     esp_err_t (*del)(esp_eth_phy_t *phy);
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| };
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| 
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| /**
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| * @brief Ethernet PHY configuration
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| *
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| */
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| typedef struct {
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|     int32_t phy_addr;             /*!< PHY address, set -1 to enable PHY address detection at initialization stage */
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|     uint32_t reset_timeout_ms;    /*!< Reset timeout value (Unit: ms) */
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|     uint32_t autonego_timeout_ms; /*!< Auto-negotiation timeout value (Unit: ms) */
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|     int reset_gpio_num;           /*!< Reset GPIO number, -1 means no hardware reset */
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| } eth_phy_config_t;
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| 
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| /**
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|  * @brief Default configuration for Ethernet PHY object
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|  *
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|  */
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| #define ETH_PHY_DEFAULT_CONFIG()           \
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|     {                                      \
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|         .phy_addr = ESP_ETH_PHY_ADDR_AUTO, \
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|         .reset_timeout_ms = 100,           \
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|         .autonego_timeout_ms = 4000,       \
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|         .reset_gpio_num = 5,               \
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|     }
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| 
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| /**
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| * @brief Create a PHY instance of IP101
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| *
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| * @param[in] config: configuration of PHY
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| *
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| * @return
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| *      - instance: create PHY instance successfully
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| *      - NULL: create PHY instance failed because some error occurred
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| */
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| esp_eth_phy_t *esp_eth_phy_new_ip101(const eth_phy_config_t *config);
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| 
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| /**
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| * @brief Create a PHY instance of RTL8201
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| *
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| * @param[in] config: configuration of PHY
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| *
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| * @return
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| *      - instance: create PHY instance successfully
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| *      - NULL: create PHY instance failed because some error occurred
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| */
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| esp_eth_phy_t *esp_eth_phy_new_rtl8201(const eth_phy_config_t *config);
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| 
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| /**
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| * @brief Create a PHY instance of LAN87xx
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| *
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| * @param[in] config: configuration of PHY
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| *
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| * @return
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| *      - instance: create PHY instance successfully
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| *      - NULL: create PHY instance failed because some error occurred
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| */
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| esp_eth_phy_t *esp_eth_phy_new_lan87xx(const eth_phy_config_t *config);
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| 
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| /**
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| * @brief Create a PHY instance of DP83848
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| *
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| * @param[in] config: configuration of PHY
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| *
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| * @return
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| *      - instance: create PHY instance successfully
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| *      - NULL: create PHY instance failed because some error occurred
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| */
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| esp_eth_phy_t *esp_eth_phy_new_dp83848(const eth_phy_config_t *config);
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| 
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| /**
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| * @brief Create a PHY instance of KSZ80xx
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| *
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| * The phy model from the KSZ80xx series is detected automatically. If the driver
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| * is unable to detect a supported model, \c NULL is returned.
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| *
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| * Currently, the following models are supported:
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| * KSZ8001, KSZ8021, KSZ8031, KSZ8041, KSZ8051, KSZ8061, KSZ8081, KSZ8091
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| *
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| * @param[in] config: configuration of PHY
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| *
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| * @return
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| *      - instance: create PHY instance successfully
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| *      - NULL: create PHY instance failed because some error occurred
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| */
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| esp_eth_phy_t *esp_eth_phy_new_ksz80xx(const eth_phy_config_t *config);
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| 
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| #if CONFIG_ETH_SPI_ETHERNET_DM9051
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| /**
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| * @brief Create a PHY instance of DM9051
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| *
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| * @param[in] config: configuration of PHY
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| *
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| * @return
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| *      - instance: create PHY instance successfully
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| *      - NULL: create PHY instance failed because some error occurred
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| */
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| esp_eth_phy_t *esp_eth_phy_new_dm9051(const eth_phy_config_t *config);
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| #endif
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| 
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| #if CONFIG_ETH_SPI_ETHERNET_W5500
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| /**
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| * @brief Create a PHY instance of W5500
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| *
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| * @param[in] config: configuration of PHY
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| *
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| * @return
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| *      - instance: create PHY instance successfully
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| *      - NULL: create PHY instance failed because some error occurred
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| */
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| esp_eth_phy_t *esp_eth_phy_new_w5500(const eth_phy_config_t *config);
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| #endif
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| 
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| #if CONFIG_ETH_SPI_ETHERNET_KSZ8851SNL
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| /**
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| * @brief Create a PHY instance of KSZ8851SNL
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| *
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| * @param[in] config: configuration of PHY
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| *
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| * @return
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| *      - instance: create PHY instance successfully
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| *      - NULL: create PHY instance failed because some error occurred
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| */
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| esp_eth_phy_t *esp_eth_phy_new_ksz8851snl(const eth_phy_config_t *config);
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| #endif
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| #ifdef __cplusplus
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| }
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| #endif
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