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https://github.com/espressif/esp-idf.git
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Merge branch 'feature/ethernet_phy_ksz8081' into 'master'
Ethernet phy driver: ksz8081 Closes IDFGH-4775 See merge request espressif/esp-idf!12723
This commit is contained in:
@ -22,7 +22,7 @@ if(CONFIG_ETH_ENABLED)
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list(APPEND srcs "src/esp_eth_mac_esp32.c"
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"src/esp_eth_phy_dp83848.c"
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"src/esp_eth_phy_ip101.c"
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"src/esp_eth_phy_ksz8041.c"
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"src/esp_eth_phy_ksz80xx.c"
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"src/esp_eth_phy_lan8720.c"
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"src/esp_eth_phy_rtl8201.c")
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endif()
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@ -264,6 +264,17 @@ esp_eth_phy_t *esp_eth_phy_new_dp83848(const eth_phy_config_t *config);
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*/
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esp_eth_phy_t *esp_eth_phy_new_ksz8041(const eth_phy_config_t *config);
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/**
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* @brief Create a PHY instance of KSZ8081
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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_ksz8081(const eth_phy_config_t *config);
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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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@ -1,369 +0,0 @@
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// Copyright 2019 Espressif Systems (Shanghai) PTE LTD
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//
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// Licensed under the Apache License, Version 2.0 (the "License");
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// you may not use this file except in compliance with the License.
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// You may obtain a copy of the License at
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//
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// http://www.apache.org/licenses/LICENSE-2.0
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//
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// Unless required by applicable law or agreed to in writing, software
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// distributed under the License is distributed on an "AS IS" BASIS,
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// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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// See the License for the specific language governing permissions and
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// limitations under the License.
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#include <string.h>
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#include <stdlib.h>
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#include <sys/cdefs.h>
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#include "esp_log.h"
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#include "esp_eth.h"
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#include "eth_phy_regs_struct.h"
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#include "freertos/FreeRTOS.h"
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#include "freertos/task.h"
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#include "driver/gpio.h"
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#include "esp_rom_gpio.h"
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#include "esp_rom_sys.h"
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static const char *TAG = "ksz8041";
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#define PHY_CHECK(a, str, goto_tag, ...) \
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do \
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{ \
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if (!(a)) \
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{ \
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ESP_LOGE(TAG, "%s(%d): " str, __FUNCTION__, __LINE__, ##__VA_ARGS__); \
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goto goto_tag; \
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} \
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} while (0)
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/***************Vendor Specific Register***************/
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/**
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* @brief PC2R(PHY Control 2 Register)
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*
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*/
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typedef union {
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struct {
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uint32_t hp_mdix : 1; /* HP Auto MDI/MDI-X Mode */
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uint32_t mdi_x_select : 1; /* MDI/MDI-X Select */
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uint32_t pairswap_dis : 1; /* Disable Auto MDI/MDI-X */
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uint32_t energy_det : 1; /* Presence of Signal on RX+/- Wire Pair */
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uint32_t force_link : 1; /* Force Link Pass */
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uint32_t power_saving : 1; /* Enable Powering Saving */
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uint32_t irq_level : 1; /* Interrupt Pin Active Level */
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uint32_t jabber : 1; /* Enable Jabber Counter */
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uint32_t auto_nego_comp : 1; /* Auto Negotiation Complete */
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uint32_t flow_ctl_cap : 1; /* Flow Control Capable */
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uint32_t phy_iso : 1; /* PHY in Isolate Mode */
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uint32_t op_mode_ind : 3; /* Operation Mode Indication */
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uint32_t en_sqe_test : 1; /* Enable SQE Test */
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uint32_t dis_data_scr: 1; /* Disable Scrambler */
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};
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uint32_t val;
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} pc2r_reg_t;
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#define ETH_PHY_PC2R_REG_ADDR (0x1F)
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typedef struct {
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esp_eth_phy_t parent;
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esp_eth_mediator_t *eth;
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int addr;
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uint32_t reset_timeout_ms;
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uint32_t autonego_timeout_ms;
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eth_link_t link_status;
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int reset_gpio_num;
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} phy_ksz8041_t;
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static esp_err_t ksz8041_update_link_duplex_speed(phy_ksz8041_t *ksz8041)
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{
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esp_eth_mediator_t *eth = ksz8041->eth;
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eth_speed_t speed = ETH_SPEED_10M;
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eth_duplex_t duplex = ETH_DUPLEX_HALF;
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uint32_t peer_pause_ability = false;
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anlpar_reg_t anlpar;
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bmsr_reg_t bmsr;
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pc2r_reg_t pc2r;
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PHY_CHECK(eth->phy_reg_read(eth, ksz8041->addr, ETH_PHY_ANLPAR_REG_ADDR, &(anlpar.val)) == ESP_OK,
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"read ANLPAR failed", err);
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PHY_CHECK(eth->phy_reg_read(eth, ksz8041->addr, ETH_PHY_BMSR_REG_ADDR, &(bmsr.val)) == ESP_OK,
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"read BMSR failed", err);
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eth_link_t link = bmsr.link_status ? ETH_LINK_UP : ETH_LINK_DOWN;
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/* check if link status changed */
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if (ksz8041->link_status != link) {
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/* when link up, read negotiation result */
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if (link == ETH_LINK_UP) {
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PHY_CHECK(eth->phy_reg_read(eth, ksz8041->addr, ETH_PHY_PC2R_REG_ADDR, &(pc2r.val)) == ESP_OK,
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"read PC2R failed", err);
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switch (pc2r.op_mode_ind) {
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case 1: //10Base-T half-duplex
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speed = ETH_SPEED_10M;
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duplex = ETH_DUPLEX_HALF;
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break;
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case 2: //100Base-TX half-duplex
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speed = ETH_SPEED_100M;
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duplex = ETH_DUPLEX_HALF;
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break;
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case 5: //10Base-T full-duplex
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speed = ETH_SPEED_10M;
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duplex = ETH_DUPLEX_FULL;
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break;
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case 6: //100Base-TX full-duplex
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speed = ETH_SPEED_100M;
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duplex = ETH_DUPLEX_FULL;
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break;
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default:
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break;
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}
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PHY_CHECK(eth->on_state_changed(eth, ETH_STATE_SPEED, (void *)speed) == ESP_OK,
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"change speed failed", err);
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PHY_CHECK(eth->on_state_changed(eth, ETH_STATE_DUPLEX, (void *)duplex) == ESP_OK,
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"change duplex failed", err);
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/* if we're in duplex mode, and peer has the flow control ability */
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if (duplex == ETH_DUPLEX_FULL && anlpar.symmetric_pause) {
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peer_pause_ability = 1;
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} else {
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peer_pause_ability = 0;
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}
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PHY_CHECK(eth->on_state_changed(eth, ETH_STATE_PAUSE, (void *)peer_pause_ability) == ESP_OK,
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"change pause ability failed", err);
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}
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PHY_CHECK(eth->on_state_changed(eth, ETH_STATE_LINK, (void *)link) == ESP_OK,
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"change link failed", err);
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ksz8041->link_status = link;
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}
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return ESP_OK;
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err:
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return ESP_FAIL;
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}
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static esp_err_t ksz8041_set_mediator(esp_eth_phy_t *phy, esp_eth_mediator_t *eth)
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{
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PHY_CHECK(eth, "can't set mediator to null", err);
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phy_ksz8041_t *ksz8041 = __containerof(phy, phy_ksz8041_t, parent);
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ksz8041->eth = eth;
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return ESP_OK;
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err:
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return ESP_ERR_INVALID_ARG;
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}
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static esp_err_t ksz8041_get_link(esp_eth_phy_t *phy)
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{
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phy_ksz8041_t *ksz8041 = __containerof(phy, phy_ksz8041_t, parent);
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/* Update information about link, speed, duplex */
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PHY_CHECK(ksz8041_update_link_duplex_speed(ksz8041) == ESP_OK, "update link duplex speed failed", err);
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return ESP_OK;
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err:
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return ESP_FAIL;
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}
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static esp_err_t ksz8041_reset(esp_eth_phy_t *phy)
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{
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phy_ksz8041_t *ksz8041 = __containerof(phy, phy_ksz8041_t, parent);
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ksz8041->link_status = ETH_LINK_DOWN;
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esp_eth_mediator_t *eth = ksz8041->eth;
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bmcr_reg_t bmcr = {.reset = 1};
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PHY_CHECK(eth->phy_reg_write(eth, ksz8041->addr, ETH_PHY_BMCR_REG_ADDR, bmcr.val) == ESP_OK,
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"write BMCR failed", err);
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/* wait for reset complete */
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uint32_t to = 0;
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for (to = 0; to < ksz8041->reset_timeout_ms / 10; to++) {
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vTaskDelay(pdMS_TO_TICKS(10));
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PHY_CHECK(eth->phy_reg_read(eth, ksz8041->addr, ETH_PHY_BMCR_REG_ADDR, &(bmcr.val)) == ESP_OK,
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"read BMCR failed", err);
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if (!bmcr.reset) {
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break;
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}
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}
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PHY_CHECK(to < ksz8041->reset_timeout_ms / 10, "reset timeout", err);
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return ESP_OK;
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err:
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return ESP_FAIL;
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}
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static esp_err_t ksz8041_reset_hw(esp_eth_phy_t *phy)
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{
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phy_ksz8041_t *ksz8041 = __containerof(phy, phy_ksz8041_t, parent);
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if (ksz8041->reset_gpio_num >= 0) {
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esp_rom_gpio_pad_select_gpio(ksz8041->reset_gpio_num);
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gpio_set_direction(ksz8041->reset_gpio_num, GPIO_MODE_OUTPUT);
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gpio_set_level(ksz8041->reset_gpio_num, 0);
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esp_rom_delay_us(100); // insert min input assert time
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gpio_set_level(ksz8041->reset_gpio_num, 1);
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}
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return ESP_OK;
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}
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static esp_err_t ksz8041_negotiate(esp_eth_phy_t *phy)
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{
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phy_ksz8041_t *ksz8041 = __containerof(phy, phy_ksz8041_t, parent);
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esp_eth_mediator_t *eth = ksz8041->eth;
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/* Restart auto negotiation */
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bmcr_reg_t bmcr = {
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.speed_select = 1, /* 100Mbps */
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.duplex_mode = 1, /* Full Duplex */
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.en_auto_nego = 1, /* Auto Negotiation */
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.restart_auto_nego = 1 /* Restart Auto Negotiation */
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};
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PHY_CHECK(eth->phy_reg_write(eth, ksz8041->addr, ETH_PHY_BMCR_REG_ADDR, bmcr.val) == ESP_OK, "write BMCR failed", err);
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/* Wait for auto negotiation complete */
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bmsr_reg_t bmsr;
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pc2r_reg_t pc2r;
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uint32_t to = 0;
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for (to = 0; to < ksz8041->autonego_timeout_ms / 10; to++) {
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vTaskDelay(pdMS_TO_TICKS(10));
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PHY_CHECK(eth->phy_reg_read(eth, ksz8041->addr, ETH_PHY_BMSR_REG_ADDR, &(bmsr.val)) == ESP_OK,
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"read BMSR failed", err);
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PHY_CHECK(eth->phy_reg_read(eth, ksz8041->addr, ETH_PHY_PC2R_REG_ADDR, &(pc2r.val)) == ESP_OK,
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"read PC2R failed", err);
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if (bmsr.auto_nego_complete && pc2r.auto_nego_comp) {
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break;
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}
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}
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/* Auto negotiation failed, maybe no network cable plugged in, so output a warning */
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if (to >= ksz8041->autonego_timeout_ms / 10) {
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ESP_LOGW(TAG, "auto negotiation timeout");
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}
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/* Updata information about link, speed, duplex */
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PHY_CHECK(ksz8041_update_link_duplex_speed(ksz8041) == ESP_OK, "update link duplex speed failed", err);
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return ESP_OK;
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err:
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return ESP_FAIL;
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}
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static esp_err_t ksz8041_pwrctl(esp_eth_phy_t *phy, bool enable)
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{
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phy_ksz8041_t *ksz8041 = __containerof(phy, phy_ksz8041_t, parent);
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esp_eth_mediator_t *eth = ksz8041->eth;
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bmcr_reg_t bmcr;
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PHY_CHECK(eth->phy_reg_read(eth, ksz8041->addr, ETH_PHY_BMCR_REG_ADDR, &(bmcr.val)) == ESP_OK,
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"read BMCR failed", err);
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if (!enable) {
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/* General Power Down Mode */
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bmcr.power_down = 1;
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} else {
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/* Normal operation Mode */
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bmcr.power_down = 0;
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}
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PHY_CHECK(eth->phy_reg_write(eth, ksz8041->addr, ETH_PHY_BMCR_REG_ADDR, bmcr.val) == ESP_OK,
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"write BMCR failed", err);
|
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if (!enable) {
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PHY_CHECK(eth->phy_reg_read(eth, ksz8041->addr, ETH_PHY_BMCR_REG_ADDR, &(bmcr.val)) == ESP_OK,
|
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"read BMCR failed", err);
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PHY_CHECK(bmcr.power_down == 1, "power down failed", err);
|
||||
} else {
|
||||
/* wait for power up complete */
|
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uint32_t to = 0;
|
||||
for (to = 0; to < ksz8041->reset_timeout_ms / 10; to++) {
|
||||
vTaskDelay(pdMS_TO_TICKS(10));
|
||||
PHY_CHECK(eth->phy_reg_read(eth, ksz8041->addr, ETH_PHY_BMCR_REG_ADDR, &(bmcr.val)) == ESP_OK,
|
||||
"read BMCR failed", err);
|
||||
if (bmcr.power_down == 0) {
|
||||
break;
|
||||
}
|
||||
}
|
||||
PHY_CHECK(to < ksz8041->reset_timeout_ms / 10, "power up timeout", err);
|
||||
}
|
||||
return ESP_OK;
|
||||
err:
|
||||
return ESP_FAIL;
|
||||
}
|
||||
|
||||
static esp_err_t ksz8041_set_addr(esp_eth_phy_t *phy, uint32_t addr)
|
||||
{
|
||||
phy_ksz8041_t *ksz8041 = __containerof(phy, phy_ksz8041_t, parent);
|
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ksz8041->addr = addr;
|
||||
return ESP_OK;
|
||||
}
|
||||
|
||||
static esp_err_t ksz8041_get_addr(esp_eth_phy_t *phy, uint32_t *addr)
|
||||
{
|
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PHY_CHECK(addr, "addr can't be null", err);
|
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phy_ksz8041_t *ksz8041 = __containerof(phy, phy_ksz8041_t, parent);
|
||||
*addr = ksz8041->addr;
|
||||
return ESP_OK;
|
||||
err:
|
||||
return ESP_ERR_INVALID_ARG;
|
||||
}
|
||||
|
||||
static esp_err_t ksz8041_del(esp_eth_phy_t *phy)
|
||||
{
|
||||
phy_ksz8041_t *ksz8041 = __containerof(phy, phy_ksz8041_t, parent);
|
||||
free(ksz8041);
|
||||
return ESP_OK;
|
||||
}
|
||||
|
||||
static esp_err_t ksz8041_advertise_pause_ability(esp_eth_phy_t *phy, uint32_t ability)
|
||||
{
|
||||
phy_ksz8041_t *ksz8041 = __containerof(phy, phy_ksz8041_t, parent);
|
||||
esp_eth_mediator_t *eth = ksz8041->eth;
|
||||
/* Set PAUSE function ability */
|
||||
anar_reg_t anar;
|
||||
PHY_CHECK(eth->phy_reg_read(eth, ksz8041->addr, ETH_PHY_ANAR_REG_ADDR, &(anar.val)) == ESP_OK,
|
||||
"read ANAR failed", err);
|
||||
if (ability) {
|
||||
anar.asymmetric_pause = 1;
|
||||
anar.symmetric_pause = 1;
|
||||
} else {
|
||||
anar.asymmetric_pause = 0;
|
||||
anar.symmetric_pause = 0;
|
||||
}
|
||||
PHY_CHECK(eth->phy_reg_write(eth, ksz8041->addr, ETH_PHY_ANAR_REG_ADDR, anar.val) == ESP_OK,
|
||||
"write ANAR failed", err);
|
||||
return ESP_OK;
|
||||
err:
|
||||
return ESP_FAIL;
|
||||
}
|
||||
|
||||
static esp_err_t ksz8041_init(esp_eth_phy_t *phy)
|
||||
{
|
||||
phy_ksz8041_t *ksz8041 = __containerof(phy, phy_ksz8041_t, parent);
|
||||
esp_eth_mediator_t *eth = ksz8041->eth;
|
||||
/* Power on Ethernet PHY */
|
||||
PHY_CHECK(ksz8041_pwrctl(phy, true) == ESP_OK, "power control failed", err);
|
||||
/* Reset Ethernet PHY */
|
||||
PHY_CHECK(ksz8041_reset(phy) == ESP_OK, "reset failed", err);
|
||||
/* Check PHY ID */
|
||||
phyidr1_reg_t id1;
|
||||
phyidr2_reg_t id2;
|
||||
PHY_CHECK(eth->phy_reg_read(eth, ksz8041->addr, ETH_PHY_IDR1_REG_ADDR, &(id1.val)) == ESP_OK,
|
||||
"read ID1 failed", err);
|
||||
PHY_CHECK(eth->phy_reg_read(eth, ksz8041->addr, ETH_PHY_IDR2_REG_ADDR, &(id2.val)) == ESP_OK,
|
||||
"read ID2 failed", err);
|
||||
PHY_CHECK(id1.oui_msb == 0x22 && id2.oui_lsb == 0x5 && id2.vendor_model == 0x11, "wrong chip ID", err);
|
||||
return ESP_OK;
|
||||
err:
|
||||
return ESP_FAIL;
|
||||
}
|
||||
|
||||
static esp_err_t ksz8041_deinit(esp_eth_phy_t *phy)
|
||||
{
|
||||
/* Power off Ethernet PHY */
|
||||
PHY_CHECK(ksz8041_pwrctl(phy, false) == ESP_OK, "power control failed", err);
|
||||
return ESP_OK;
|
||||
err:
|
||||
return ESP_FAIL;
|
||||
}
|
||||
|
||||
esp_eth_phy_t *esp_eth_phy_new_ksz8041(const eth_phy_config_t *config)
|
||||
{
|
||||
PHY_CHECK(config, "can't set phy config to null", err);
|
||||
phy_ksz8041_t *ksz8041 = calloc(1, sizeof(phy_ksz8041_t));
|
||||
PHY_CHECK(ksz8041, "calloc ksz8041 failed", err);
|
||||
ksz8041->addr = config->phy_addr;
|
||||
ksz8041->reset_gpio_num = config->reset_gpio_num;
|
||||
ksz8041->reset_timeout_ms = config->reset_timeout_ms;
|
||||
ksz8041->link_status = ETH_LINK_DOWN;
|
||||
ksz8041->autonego_timeout_ms = config->autonego_timeout_ms;
|
||||
ksz8041->parent.reset = ksz8041_reset;
|
||||
ksz8041->parent.reset_hw = ksz8041_reset_hw;
|
||||
ksz8041->parent.init = ksz8041_init;
|
||||
ksz8041->parent.deinit = ksz8041_deinit;
|
||||
ksz8041->parent.set_mediator = ksz8041_set_mediator;
|
||||
ksz8041->parent.negotiate = ksz8041_negotiate;
|
||||
ksz8041->parent.get_link = ksz8041_get_link;
|
||||
ksz8041->parent.pwrctl = ksz8041_pwrctl;
|
||||
ksz8041->parent.get_addr = ksz8041_get_addr;
|
||||
ksz8041->parent.set_addr = ksz8041_set_addr;
|
||||
ksz8041->parent.advertise_pause_ability = ksz8041_advertise_pause_ability;
|
||||
ksz8041->parent.del = ksz8041_del;
|
||||
|
||||
return &(ksz8041->parent);
|
||||
err:
|
||||
return NULL;
|
||||
}
|
428
components/esp_eth/src/esp_eth_phy_ksz80xx.c
Normal file
428
components/esp_eth/src/esp_eth_phy_ksz80xx.c
Normal file
@ -0,0 +1,428 @@
|
||||
// Copyright 2019-2021 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 <string.h>
|
||||
#include <stdlib.h>
|
||||
#include <sys/cdefs.h>
|
||||
#include "esp_log.h"
|
||||
#include "esp_eth.h"
|
||||
#include "eth_phy_regs_struct.h"
|
||||
#include "freertos/FreeRTOS.h"
|
||||
#include "freertos/task.h"
|
||||
#include "driver/gpio.h"
|
||||
#include "esp_rom_gpio.h"
|
||||
#include "esp_rom_sys.h"
|
||||
|
||||
static const char *TAG = "ksz80xx";
|
||||
#define PHY_CHECK(a, str, goto_tag, ...) \
|
||||
do { \
|
||||
if (!(a)) \
|
||||
{ \
|
||||
ESP_LOGE(TAG, "%s(%d): " str, __FUNCTION__, __LINE__, ##__VA_ARGS__); \
|
||||
goto goto_tag; \
|
||||
} \
|
||||
} while (0)
|
||||
|
||||
#define KSZ8041_MODEL_ID (0x11)
|
||||
#define KSZ8081_MODEL_ID (0x16)
|
||||
|
||||
/***************Vendor Specific Register***************/
|
||||
/**
|
||||
* @brief PC2R(PHY Control 2 Register) for KSZ8041
|
||||
*
|
||||
*/
|
||||
typedef union {
|
||||
struct {
|
||||
uint32_t dis_data_scr: 1; /* Disable Scrambler */
|
||||
uint32_t en_sqe_test : 1; /* Enable SQE Test */
|
||||
uint32_t op_mode : 3; /* Operation Mode */
|
||||
uint32_t phy_iso : 1; /* PHY Isolate */
|
||||
uint32_t en_flow_ctrl : 1; /* Enable Flow Control */
|
||||
uint32_t auto_nego_comp : 1; /* Auto Negotiation Complete */
|
||||
uint32_t en_jabber : 1; /* Enable Jabber Counter */
|
||||
uint32_t irq_level : 1; /* Interrupt Pin Active Level */
|
||||
uint32_t power_saving : 1; /* Enable Powering Saving */
|
||||
uint32_t force_link : 1; /* Force Link Pass */
|
||||
uint32_t energy_det : 1; /* Presence of Signal on RX+/- Wire Pair */
|
||||
uint32_t pairswap_dis : 1; /* Disable Auto MDI/MDI-X */
|
||||
uint32_t mdix_select : 1; /* MDI/MDI-X Select */
|
||||
uint32_t hp_mdix : 1; /* HP Auto MDI/MDI-X Mode */
|
||||
};
|
||||
uint32_t val;
|
||||
} ksz8041_pc2r_reg_t;
|
||||
#define KSZ8041_PC2R_ERG_ADDR (0x1F)
|
||||
|
||||
/**
|
||||
* @brief PC1R(PHY Control 1 Register) for KSZ8081
|
||||
*
|
||||
*/
|
||||
typedef union {
|
||||
struct {
|
||||
uint32_t op_mode : 3; /* Operation Mode Indication */
|
||||
uint32_t phy_iso : 1; /* PHY in Isolate Mode */
|
||||
uint32_t energy_det: 1; /* Signal presence on RX pair */
|
||||
uint32_t mdix_state : 1; /* MDI/MDI-X state */
|
||||
uint32_t reserved_6 : 1; /* Reserved */
|
||||
uint32_t polarity_status : 1; /* Polarity status */
|
||||
uint32_t link_status : 1; /* Link status */
|
||||
uint32_t en_flow_ctrl : 1; /* Flow control */
|
||||
uint32_t reserved_15_10 : 6; /* Reserved */
|
||||
};
|
||||
uint32_t val;
|
||||
} ksz8081_pc1r_reg_t;
|
||||
#define KSZ8081_PC1R_REG_ADDR (0x1E)
|
||||
|
||||
typedef struct {
|
||||
esp_eth_phy_t parent;
|
||||
esp_eth_mediator_t *eth;
|
||||
int addr;
|
||||
uint32_t reset_timeout_ms;
|
||||
uint32_t autonego_timeout_ms;
|
||||
eth_link_t link_status;
|
||||
int reset_gpio_num;
|
||||
int vendor_model;
|
||||
} phy_ksz80xx_t;
|
||||
|
||||
static esp_err_t ksz80xx_update_link_duplex_speed(phy_ksz80xx_t *ksz80xx)
|
||||
{
|
||||
esp_eth_mediator_t *eth = ksz80xx->eth;
|
||||
eth_speed_t speed = ETH_SPEED_10M;
|
||||
eth_duplex_t duplex = ETH_DUPLEX_HALF;
|
||||
uint32_t peer_pause_ability = false;
|
||||
anlpar_reg_t anlpar;
|
||||
bmsr_reg_t bmsr;
|
||||
PHY_CHECK(eth->phy_reg_read(eth, ksz80xx->addr, ETH_PHY_ANLPAR_REG_ADDR, &(anlpar.val)) == ESP_OK,
|
||||
"read ANLPAR failed", err);
|
||||
PHY_CHECK(eth->phy_reg_read(eth, ksz80xx->addr, ETH_PHY_BMSR_REG_ADDR, &(bmsr.val)) == ESP_OK,
|
||||
"read BMSR failed", err);
|
||||
eth_link_t link = bmsr.link_status ? ETH_LINK_UP : ETH_LINK_DOWN;
|
||||
/* check if link status changed */
|
||||
if (ksz80xx->link_status != link) {
|
||||
/* when link up, read negotiation result */
|
||||
if (link == ETH_LINK_UP) {
|
||||
int op_mode = 0;
|
||||
if (ksz80xx->vendor_model == KSZ8041_MODEL_ID) {
|
||||
ksz8041_pc2r_reg_t pc2r;
|
||||
PHY_CHECK(eth->phy_reg_read(eth, ksz80xx->addr, KSZ8041_PC2R_ERG_ADDR, &(pc2r.val)) == ESP_OK,
|
||||
"read PC2R failed", err);
|
||||
op_mode = pc2r.op_mode;
|
||||
} else if (ksz80xx->vendor_model == KSZ8081_MODEL_ID) {
|
||||
ksz8081_pc1r_reg_t pc1r;
|
||||
PHY_CHECK(eth->phy_reg_read(eth, ksz80xx->addr, KSZ8081_PC1R_REG_ADDR, &(pc1r.val)) == ESP_OK,
|
||||
"read PC1R failed", err);
|
||||
op_mode = pc1r.op_mode;
|
||||
}
|
||||
switch (op_mode) {
|
||||
case 1: //10Base-T half-duplex
|
||||
speed = ETH_SPEED_10M;
|
||||
duplex = ETH_DUPLEX_HALF;
|
||||
break;
|
||||
case 2: //100Base-TX half-duplex
|
||||
speed = ETH_SPEED_100M;
|
||||
duplex = ETH_DUPLEX_HALF;
|
||||
break;
|
||||
case 5: //10Base-T full-duplex
|
||||
speed = ETH_SPEED_10M;
|
||||
duplex = ETH_DUPLEX_FULL;
|
||||
break;
|
||||
case 6: //100Base-TX full-duplex
|
||||
speed = ETH_SPEED_100M;
|
||||
duplex = ETH_DUPLEX_FULL;
|
||||
break;
|
||||
default:
|
||||
break;
|
||||
}
|
||||
PHY_CHECK(eth->on_state_changed(eth, ETH_STATE_SPEED, (void *)speed) == ESP_OK,
|
||||
"change speed failed", err);
|
||||
PHY_CHECK(eth->on_state_changed(eth, ETH_STATE_DUPLEX, (void *)duplex) == ESP_OK,
|
||||
"change duplex failed", err);
|
||||
/* if we're in duplex mode, and peer has the flow control ability */
|
||||
if (duplex == ETH_DUPLEX_FULL && anlpar.symmetric_pause) {
|
||||
peer_pause_ability = 1;
|
||||
} else {
|
||||
peer_pause_ability = 0;
|
||||
}
|
||||
PHY_CHECK(eth->on_state_changed(eth, ETH_STATE_PAUSE, (void *)peer_pause_ability) == ESP_OK,
|
||||
"change pause ability failed", err);
|
||||
}
|
||||
PHY_CHECK(eth->on_state_changed(eth, ETH_STATE_LINK, (void *)link) == ESP_OK,
|
||||
"change link failed", err);
|
||||
ksz80xx->link_status = link;
|
||||
}
|
||||
return ESP_OK;
|
||||
err:
|
||||
return ESP_FAIL;
|
||||
}
|
||||
|
||||
static esp_err_t ksz80xx_set_mediator(esp_eth_phy_t *phy, esp_eth_mediator_t *eth)
|
||||
{
|
||||
PHY_CHECK(eth, "can't set mediator to null", err);
|
||||
phy_ksz80xx_t *ksz80xx = __containerof(phy, phy_ksz80xx_t, parent);
|
||||
ksz80xx->eth = eth;
|
||||
return ESP_OK;
|
||||
err:
|
||||
return ESP_ERR_INVALID_ARG;
|
||||
}
|
||||
|
||||
static esp_err_t ksz80xx_get_link(esp_eth_phy_t *phy)
|
||||
{
|
||||
phy_ksz80xx_t *ksz80xx = __containerof(phy, phy_ksz80xx_t, parent);
|
||||
/* Update information about link, speed, duplex */
|
||||
PHY_CHECK(ksz80xx_update_link_duplex_speed(ksz80xx) == ESP_OK, "update link duplex speed failed", err);
|
||||
return ESP_OK;
|
||||
err:
|
||||
return ESP_FAIL;
|
||||
}
|
||||
|
||||
static esp_err_t ksz80xx_reset(esp_eth_phy_t *phy)
|
||||
{
|
||||
phy_ksz80xx_t *ksz80xx = __containerof(phy, phy_ksz80xx_t, parent);
|
||||
ksz80xx->link_status = ETH_LINK_DOWN;
|
||||
esp_eth_mediator_t *eth = ksz80xx->eth;
|
||||
bmcr_reg_t bmcr = {.reset = 1};
|
||||
PHY_CHECK(eth->phy_reg_write(eth, ksz80xx->addr, ETH_PHY_BMCR_REG_ADDR, bmcr.val) == ESP_OK,
|
||||
"write BMCR failed", err);
|
||||
/* wait for reset complete */
|
||||
uint32_t to = 0;
|
||||
for (to = 0; to < ksz80xx->reset_timeout_ms / 10; to++) {
|
||||
vTaskDelay(pdMS_TO_TICKS(10));
|
||||
PHY_CHECK(eth->phy_reg_read(eth, ksz80xx->addr, ETH_PHY_BMCR_REG_ADDR, &(bmcr.val)) == ESP_OK,
|
||||
"read BMCR failed", err);
|
||||
if (!bmcr.reset) {
|
||||
break;
|
||||
}
|
||||
}
|
||||
PHY_CHECK(to < ksz80xx->reset_timeout_ms / 10, "reset timeout", err);
|
||||
return ESP_OK;
|
||||
err:
|
||||
return ESP_FAIL;
|
||||
}
|
||||
|
||||
static esp_err_t ksz80xx_reset_hw(esp_eth_phy_t *phy)
|
||||
{
|
||||
phy_ksz80xx_t *ksz80xx = __containerof(phy, phy_ksz80xx_t, parent);
|
||||
if (ksz80xx->reset_gpio_num >= 0) {
|
||||
esp_rom_gpio_pad_select_gpio(ksz80xx->reset_gpio_num);
|
||||
gpio_set_direction(ksz80xx->reset_gpio_num, GPIO_MODE_OUTPUT);
|
||||
gpio_set_level(ksz80xx->reset_gpio_num, 0);
|
||||
esp_rom_delay_us(100); // insert min input assert time
|
||||
gpio_set_level(ksz80xx->reset_gpio_num, 1);
|
||||
}
|
||||
return ESP_OK;
|
||||
}
|
||||
|
||||
static esp_err_t ksz80xx_negotiate(esp_eth_phy_t *phy)
|
||||
{
|
||||
phy_ksz80xx_t *ksz80xx = __containerof(phy, phy_ksz80xx_t, parent);
|
||||
esp_eth_mediator_t *eth = ksz80xx->eth;
|
||||
/* Restart auto negotiation */
|
||||
bmcr_reg_t bmcr = {
|
||||
.speed_select = 1, /* 100Mbps */
|
||||
.duplex_mode = 1, /* Full Duplex */
|
||||
.en_auto_nego = 1, /* Auto Negotiation */
|
||||
.restart_auto_nego = 1 /* Restart Auto Negotiation */
|
||||
};
|
||||
PHY_CHECK(eth->phy_reg_write(eth, ksz80xx->addr, ETH_PHY_BMCR_REG_ADDR, bmcr.val) == ESP_OK, "write BMCR failed", err);
|
||||
/* Wait for auto negotiation complete */
|
||||
bmsr_reg_t bmsr;
|
||||
uint32_t to = 0;
|
||||
for (to = 0; to < ksz80xx->autonego_timeout_ms / 10; to++) {
|
||||
vTaskDelay(pdMS_TO_TICKS(10));
|
||||
PHY_CHECK(eth->phy_reg_read(eth, ksz80xx->addr, ETH_PHY_BMSR_REG_ADDR, &(bmsr.val)) == ESP_OK,
|
||||
"read BMSR failed", err);
|
||||
if (bmsr.auto_nego_complete) {
|
||||
break;
|
||||
}
|
||||
}
|
||||
/* Auto negotiation failed, maybe no network cable plugged in, so output a warning */
|
||||
if (to >= ksz80xx->autonego_timeout_ms / 10) {
|
||||
ESP_LOGW(TAG, "auto negotiation timeout");
|
||||
}
|
||||
/* Updata information about link, speed, duplex */
|
||||
PHY_CHECK(ksz80xx_update_link_duplex_speed(ksz80xx) == ESP_OK, "update link duplex speed failed", err);
|
||||
return ESP_OK;
|
||||
err:
|
||||
return ESP_FAIL;
|
||||
}
|
||||
|
||||
static esp_err_t ksz80xx_pwrctl(esp_eth_phy_t *phy, bool enable)
|
||||
{
|
||||
phy_ksz80xx_t *ksz80xx = __containerof(phy, phy_ksz80xx_t, parent);
|
||||
esp_eth_mediator_t *eth = ksz80xx->eth;
|
||||
bmcr_reg_t bmcr;
|
||||
PHY_CHECK(eth->phy_reg_read(eth, ksz80xx->addr, ETH_PHY_BMCR_REG_ADDR, &(bmcr.val)) == ESP_OK,
|
||||
"read BMCR failed", err);
|
||||
if (!enable) {
|
||||
/* General Power Down Mode */
|
||||
bmcr.power_down = 1;
|
||||
} else {
|
||||
/* Normal operation Mode */
|
||||
bmcr.power_down = 0;
|
||||
}
|
||||
PHY_CHECK(eth->phy_reg_write(eth, ksz80xx->addr, ETH_PHY_BMCR_REG_ADDR, bmcr.val) == ESP_OK,
|
||||
"write BMCR failed", err);
|
||||
if (!enable) {
|
||||
PHY_CHECK(eth->phy_reg_read(eth, ksz80xx->addr, ETH_PHY_BMCR_REG_ADDR, &(bmcr.val)) == ESP_OK,
|
||||
"read BMCR failed", err);
|
||||
PHY_CHECK(bmcr.power_down == 1, "power down failed", err);
|
||||
} else {
|
||||
/* wait for power up complete */
|
||||
uint32_t to = 0;
|
||||
for (to = 0; to < ksz80xx->reset_timeout_ms / 10; to++) {
|
||||
vTaskDelay(pdMS_TO_TICKS(10));
|
||||
PHY_CHECK(eth->phy_reg_read(eth, ksz80xx->addr, ETH_PHY_BMCR_REG_ADDR, &(bmcr.val)) == ESP_OK,
|
||||
"read BMCR failed", err);
|
||||
if (bmcr.power_down == 0) {
|
||||
break;
|
||||
}
|
||||
}
|
||||
PHY_CHECK(to < ksz80xx->reset_timeout_ms / 10, "power up timeout", err);
|
||||
}
|
||||
return ESP_OK;
|
||||
err:
|
||||
return ESP_FAIL;
|
||||
}
|
||||
|
||||
static esp_err_t ksz80xx_set_addr(esp_eth_phy_t *phy, uint32_t addr)
|
||||
{
|
||||
phy_ksz80xx_t *ksz80xx = __containerof(phy, phy_ksz80xx_t, parent);
|
||||
ksz80xx->addr = addr;
|
||||
return ESP_OK;
|
||||
}
|
||||
|
||||
static esp_err_t ksz80xx_get_addr(esp_eth_phy_t *phy, uint32_t *addr)
|
||||
{
|
||||
PHY_CHECK(addr, "addr can't be null", err);
|
||||
phy_ksz80xx_t *ksz80xx = __containerof(phy, phy_ksz80xx_t, parent);
|
||||
*addr = ksz80xx->addr;
|
||||
return ESP_OK;
|
||||
err:
|
||||
return ESP_ERR_INVALID_ARG;
|
||||
}
|
||||
|
||||
static esp_err_t ksz80xx_del(esp_eth_phy_t *phy)
|
||||
{
|
||||
phy_ksz80xx_t *ksz80xx = __containerof(phy, phy_ksz80xx_t, parent);
|
||||
free(ksz80xx);
|
||||
return ESP_OK;
|
||||
}
|
||||
|
||||
static esp_err_t ksz80xx_advertise_pause_ability(esp_eth_phy_t *phy, uint32_t ability)
|
||||
{
|
||||
phy_ksz80xx_t *ksz80xx = __containerof(phy, phy_ksz80xx_t, parent);
|
||||
esp_eth_mediator_t *eth = ksz80xx->eth;
|
||||
/* Set PAUSE function ability */
|
||||
anar_reg_t anar;
|
||||
PHY_CHECK(eth->phy_reg_read(eth, ksz80xx->addr, ETH_PHY_ANAR_REG_ADDR, &(anar.val)) == ESP_OK,
|
||||
"read ANAR failed", err);
|
||||
if (ability) {
|
||||
anar.asymmetric_pause = 1;
|
||||
anar.symmetric_pause = 1;
|
||||
} else {
|
||||
anar.asymmetric_pause = 0;
|
||||
anar.symmetric_pause = 0;
|
||||
}
|
||||
PHY_CHECK(eth->phy_reg_write(eth, ksz80xx->addr, ETH_PHY_ANAR_REG_ADDR, anar.val) == ESP_OK,
|
||||
"write ANAR failed", err);
|
||||
return ESP_OK;
|
||||
err:
|
||||
return ESP_FAIL;
|
||||
}
|
||||
|
||||
static esp_err_t ksz80xx_init(esp_eth_phy_t *phy)
|
||||
{
|
||||
phy_ksz80xx_t *ksz80xx = __containerof(phy, phy_ksz80xx_t, parent);
|
||||
esp_eth_mediator_t *eth = ksz80xx->eth;
|
||||
/* Power on Ethernet PHY */
|
||||
PHY_CHECK(ksz80xx_pwrctl(phy, true) == ESP_OK, "power control failed", err);
|
||||
/* Reset Ethernet PHY */
|
||||
PHY_CHECK(ksz80xx_reset(phy) == ESP_OK, "reset failed", err);
|
||||
/* Check PHY ID */
|
||||
phyidr1_reg_t id1;
|
||||
phyidr2_reg_t id2;
|
||||
PHY_CHECK(eth->phy_reg_read(eth, ksz80xx->addr, ETH_PHY_IDR1_REG_ADDR, &(id1.val)) == ESP_OK,
|
||||
"read ID1 failed", err);
|
||||
PHY_CHECK(eth->phy_reg_read(eth, ksz80xx->addr, ETH_PHY_IDR2_REG_ADDR, &(id2.val)) == ESP_OK,
|
||||
"read ID2 failed", err);
|
||||
PHY_CHECK(id1.oui_msb == 0x22 && id2.oui_lsb == 0x5 && id2.vendor_model == ksz80xx->vendor_model, "wrong chip ID", err);
|
||||
return ESP_OK;
|
||||
err:
|
||||
return ESP_FAIL;
|
||||
}
|
||||
|
||||
static esp_err_t ksz80xx_deinit(esp_eth_phy_t *phy)
|
||||
{
|
||||
/* Power off Ethernet PHY */
|
||||
PHY_CHECK(ksz80xx_pwrctl(phy, false) == ESP_OK, "power control failed", err);
|
||||
return ESP_OK;
|
||||
err:
|
||||
return ESP_FAIL;
|
||||
}
|
||||
|
||||
esp_eth_phy_t *esp_eth_phy_new_ksz8041(const eth_phy_config_t *config)
|
||||
{
|
||||
PHY_CHECK(config, "can't set phy config to null", err);
|
||||
phy_ksz80xx_t *ksz8041 = calloc(1, sizeof(phy_ksz80xx_t));
|
||||
PHY_CHECK(ksz8041, "calloc ksz80xx failed", err);
|
||||
ksz8041->vendor_model = KSZ8041_MODEL_ID;
|
||||
ksz8041->addr = config->phy_addr;
|
||||
ksz8041->reset_gpio_num = config->reset_gpio_num;
|
||||
ksz8041->reset_timeout_ms = config->reset_timeout_ms;
|
||||
ksz8041->link_status = ETH_LINK_DOWN;
|
||||
ksz8041->autonego_timeout_ms = config->autonego_timeout_ms;
|
||||
ksz8041->parent.reset = ksz80xx_reset;
|
||||
ksz8041->parent.reset_hw = ksz80xx_reset_hw;
|
||||
ksz8041->parent.init = ksz80xx_init;
|
||||
ksz8041->parent.deinit = ksz80xx_deinit;
|
||||
ksz8041->parent.set_mediator = ksz80xx_set_mediator;
|
||||
ksz8041->parent.negotiate = ksz80xx_negotiate;
|
||||
ksz8041->parent.get_link = ksz80xx_get_link;
|
||||
ksz8041->parent.pwrctl = ksz80xx_pwrctl;
|
||||
ksz8041->parent.get_addr = ksz80xx_get_addr;
|
||||
ksz8041->parent.set_addr = ksz80xx_set_addr;
|
||||
ksz8041->parent.advertise_pause_ability = ksz80xx_advertise_pause_ability;
|
||||
ksz8041->parent.del = ksz80xx_del;
|
||||
|
||||
return &(ksz8041->parent);
|
||||
err:
|
||||
return NULL;
|
||||
}
|
||||
|
||||
esp_eth_phy_t *esp_eth_phy_new_ksz8081(const eth_phy_config_t *config)
|
||||
{
|
||||
PHY_CHECK(config, "can't set phy config to null", err);
|
||||
phy_ksz80xx_t *ksz8081 = calloc(1, sizeof(phy_ksz80xx_t));
|
||||
PHY_CHECK(ksz8081, "calloc ksz8081 failed", err);
|
||||
ksz8081->vendor_model = KSZ8081_MODEL_ID;
|
||||
ksz8081->addr = config->phy_addr;
|
||||
ksz8081->reset_gpio_num = config->reset_gpio_num;
|
||||
ksz8081->reset_timeout_ms = config->reset_timeout_ms;
|
||||
ksz8081->link_status = ETH_LINK_DOWN;
|
||||
ksz8081->autonego_timeout_ms = config->autonego_timeout_ms;
|
||||
ksz8081->parent.reset = ksz80xx_reset;
|
||||
ksz8081->parent.reset_hw = ksz80xx_reset_hw;
|
||||
ksz8081->parent.init = ksz80xx_init;
|
||||
ksz8081->parent.deinit = ksz80xx_deinit;
|
||||
ksz8081->parent.set_mediator = ksz80xx_set_mediator;
|
||||
ksz8081->parent.negotiate = ksz80xx_negotiate;
|
||||
ksz8081->parent.get_link = ksz80xx_get_link;
|
||||
ksz8081->parent.pwrctl = ksz80xx_pwrctl;
|
||||
ksz8081->parent.get_addr = ksz80xx_get_addr;
|
||||
ksz8081->parent.set_addr = ksz80xx_set_addr;
|
||||
ksz8081->parent.advertise_pause_ability = ksz80xx_advertise_pause_ability;
|
||||
ksz8081->parent.del = ksz80xx_del;
|
||||
|
||||
return &(ksz8081->parent);
|
||||
err:
|
||||
return NULL;
|
||||
}
|
@ -70,6 +70,12 @@ menu "Example Configuration"
|
||||
help
|
||||
The KSZ8041 is a single supply 10Base-T/100Base-TX Physical Layer Transceiver.
|
||||
Goto https://www.microchip.com/wwwproducts/en/KSZ8041 for more information about it.
|
||||
|
||||
config EXAMPLE_ETH_PHY_KSZ8081
|
||||
bool "KSZ8081"
|
||||
help
|
||||
The KSZ8081 is a single supply 10Base-T/100Base-TX Physical Layer Transceiver.
|
||||
Goto https://www.microchip.com/wwwproducts/en/KSZ8081 for more information about it.
|
||||
endchoice # EXAMPLE_ETH_PHY_MODEL
|
||||
|
||||
config EXAMPLE_ETH_MDC_GPIO
|
||||
|
@ -98,6 +98,8 @@ void app_main(void)
|
||||
esp_eth_phy_t *phy = esp_eth_phy_new_dp83848(&phy_config);
|
||||
#elif CONFIG_EXAMPLE_ETH_PHY_KSZ8041
|
||||
esp_eth_phy_t *phy = esp_eth_phy_new_ksz8041(&phy_config);
|
||||
#elif CONFIG_EXAMPLE_ETH_PHY_KSZ8081
|
||||
esp_eth_phy_t *phy = esp_eth_phy_new_ksz8081(&phy_config);
|
||||
#endif
|
||||
#elif CONFIG_ETH_USE_SPI_ETHERNET
|
||||
gpio_install_isr_service(0);
|
||||
|
Reference in New Issue
Block a user