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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,186 @@ | ||
| /* | ||
| * SPDX-FileCopyrightText: 2019-2023 Espressif Systems (Shanghai) CO LTD | ||
| * | ||
| * SPDX-License-Identifier: Apache-2.0 | ||
| */ | ||
|
|
||
| #include <string.h> | ||
| #include <stdlib.h> | ||
| #include <sys/cdefs.h> | ||
| #include "esp_log.h" | ||
| #include "esp_check.h" | ||
| #include "esp_eth_phy_802_3.h" | ||
|
|
||
| static const char *TAG = "jl1101"; | ||
|
|
||
| /***************Vendor Specific Register***************/ | ||
|
|
||
| /** | ||
| * @brief PSMR(Power Saving Mode Register) | ||
| * | ||
| */ | ||
| typedef union { | ||
| struct { | ||
| uint16_t reserved : 15; /* Reserved */ | ||
| uint16_t en_pwr_save : 1; /* Enable power saving mode */ | ||
| }; | ||
| uint16_t val; | ||
| } psmr_reg_t; | ||
|
|
||
| /** | ||
| * @brief PSR(Page Select Register) | ||
| * | ||
| */ | ||
| typedef union { | ||
| struct { | ||
| uint16_t page_select : 8; /* Select register page, default is 0 */ | ||
| uint16_t reserved : 8; /* Reserved */ | ||
| }; | ||
| uint16_t val; | ||
| } psr_reg_t; | ||
| #define ETH_PHY_PSR_REG_ADDR (0x1F) | ||
|
|
||
| typedef struct { | ||
| phy_802_3_t phy_802_3; | ||
| } phy_jl1101_t; | ||
|
|
||
| static esp_err_t jl1101_page_select(phy_jl1101_t *jl1101, uint32_t page) | ||
| { | ||
| esp_err_t ret = ESP_OK; | ||
| esp_eth_mediator_t *eth = jl1101->phy_802_3.eth; | ||
| psr_reg_t psr = { | ||
| .page_select = page | ||
| }; | ||
| ESP_GOTO_ON_ERROR(eth->phy_reg_write(eth, jl1101->phy_802_3.addr, ETH_PHY_PSR_REG_ADDR, psr.val), err, TAG, "write PSR failed"); | ||
| return ESP_OK; | ||
| err: | ||
| return ret; | ||
| } | ||
|
|
||
| static esp_err_t jl1101_update_link_duplex_speed(phy_jl1101_t *jl1101) | ||
| { | ||
| esp_err_t ret = ESP_OK; | ||
| esp_eth_mediator_t *eth = jl1101->phy_802_3.eth; | ||
| uint32_t addr = jl1101->phy_802_3.addr; | ||
| eth_speed_t speed = ETH_SPEED_10M; | ||
| eth_duplex_t duplex = ETH_DUPLEX_HALF; | ||
| bmcr_reg_t bmcr; | ||
| bmsr_reg_t bmsr; | ||
| uint32_t peer_pause_ability = false; | ||
| anlpar_reg_t anlpar; | ||
| ESP_GOTO_ON_ERROR(jl1101_page_select(jl1101, 0), err, TAG, "select page 0 failed"); | ||
| ESP_GOTO_ON_ERROR(eth->phy_reg_read(eth, addr, ETH_PHY_BMSR_REG_ADDR, &(bmsr.val)), err, TAG, "read BMSR failed"); | ||
| ESP_GOTO_ON_ERROR(eth->phy_reg_read(eth, addr, ETH_PHY_ANLPAR_REG_ADDR, &(anlpar.val)), err, TAG, "read ANLPAR failed"); | ||
| eth_link_t link = bmsr.link_status ? ETH_LINK_UP : ETH_LINK_DOWN; | ||
| /* check if link status changed */ | ||
| if (jl1101->phy_802_3.link_status != link) { | ||
| /* when link up, read negotiation result */ | ||
| if (link == ETH_LINK_UP) { | ||
| ESP_GOTO_ON_ERROR(eth->phy_reg_read(eth, addr, ETH_PHY_BMCR_REG_ADDR, &(bmcr.val)), err, TAG, "read BMCR failed"); | ||
| if (bmcr.speed_select) { | ||
| speed = ETH_SPEED_100M; | ||
| } else { | ||
| speed = ETH_SPEED_10M; | ||
| } | ||
| if (bmcr.duplex_mode) { | ||
| duplex = ETH_DUPLEX_FULL; | ||
| } else { | ||
| duplex = ETH_DUPLEX_HALF; | ||
| } | ||
| ESP_GOTO_ON_ERROR(eth->on_state_changed(eth, ETH_STATE_SPEED, (void *)speed), err, TAG, "change speed failed"); | ||
| ESP_GOTO_ON_ERROR(eth->on_state_changed(eth, ETH_STATE_DUPLEX, (void *)duplex), err, TAG, "change duplex failed"); | ||
| /* 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; | ||
| } | ||
| ESP_GOTO_ON_ERROR(eth->on_state_changed(eth, ETH_STATE_PAUSE, (void *)peer_pause_ability), err, TAG, "change pause ability failed"); | ||
| } | ||
| ESP_GOTO_ON_ERROR(eth->on_state_changed(eth, ETH_STATE_LINK, (void *)link), err, TAG, "change link failed"); | ||
| jl1101->phy_802_3.link_status = link; | ||
| } | ||
| return ESP_OK; | ||
| err: | ||
| return ret; | ||
| } | ||
|
|
||
| static esp_err_t jl1101_get_link(esp_eth_phy_t *phy) | ||
| { | ||
| esp_err_t ret = ESP_OK; | ||
| phy_jl1101_t *jl1101 = __containerof(esp_eth_phy_into_phy_802_3(phy), phy_jl1101_t, phy_802_3); | ||
| /* Updata information about link, speed, duplex */ | ||
| ESP_GOTO_ON_ERROR(jl1101_update_link_duplex_speed(jl1101), err, TAG, "update link duplex speed failed"); | ||
| return ESP_OK; | ||
| err: | ||
| return ret; | ||
| } | ||
|
|
||
| static esp_err_t jl1101_autonego_ctrl(esp_eth_phy_t *phy, eth_phy_autoneg_cmd_t cmd, bool *autonego_en_stat) | ||
| { | ||
| esp_err_t ret = ESP_OK; | ||
| phy_802_3_t *phy_802_3 = esp_eth_phy_into_phy_802_3(phy); | ||
| esp_eth_mediator_t *eth = phy_802_3->eth; | ||
| if (cmd == ESP_ETH_PHY_AUTONEGO_EN) { | ||
| bmcr_reg_t bmcr; | ||
| ESP_GOTO_ON_ERROR(eth->phy_reg_read(eth, phy_802_3->addr, ETH_PHY_BMCR_REG_ADDR, &(bmcr.val)), err, TAG, "read BMCR failed"); | ||
| ESP_GOTO_ON_FALSE(bmcr.en_loopback == 0, ESP_ERR_INVALID_STATE, err, TAG, "Autonegotiation can't be enabled while in loopback operation"); | ||
| } | ||
| return esp_eth_phy_802_3_autonego_ctrl(phy_802_3, cmd, autonego_en_stat); | ||
| err: | ||
| return ret; | ||
| } | ||
|
|
||
| static esp_err_t jl1101_loopback(esp_eth_phy_t *phy, bool enable) | ||
| { | ||
| esp_err_t ret = ESP_OK; | ||
| phy_802_3_t *phy_802_3 = esp_eth_phy_into_phy_802_3(phy); | ||
| bool auto_nego_en; | ||
| ESP_GOTO_ON_ERROR(jl1101_autonego_ctrl(phy, ESP_ETH_PHY_AUTONEGO_G_STAT, &auto_nego_en), err, TAG, "get status of autonegotiation failed"); | ||
| ESP_GOTO_ON_FALSE(!(auto_nego_en && enable), ESP_ERR_INVALID_STATE, err, TAG, "Unable to set loopback while autonegotiation is enabled. Disable it to use loopback"); | ||
| return esp_eth_phy_802_3_loopback(phy_802_3, enable); | ||
| err: | ||
| return ret; | ||
| } | ||
|
|
||
| static esp_err_t jl1101_init(esp_eth_phy_t *phy) | ||
| { | ||
| esp_err_t ret = ESP_OK; | ||
| phy_802_3_t *phy_802_3 = esp_eth_phy_into_phy_802_3(phy); | ||
|
|
||
| /* Basic PHY init */ | ||
| ESP_GOTO_ON_ERROR(esp_eth_phy_802_3_basic_phy_init(phy_802_3), err, TAG, "failed to init PHY"); | ||
|
|
||
| /* Check PHY ID */ | ||
| uint32_t oui; | ||
| uint8_t model; | ||
| ESP_GOTO_ON_ERROR(esp_eth_phy_802_3_read_oui(phy_802_3, &oui), err, TAG, "read OUI failed"); | ||
| ESP_GOTO_ON_ERROR(esp_eth_phy_802_3_read_manufac_info(phy_802_3, &model, NULL), err, TAG, "read manufacturer's info failed"); | ||
| ESP_GOTO_ON_FALSE(oui == 0x24DF10 && model == 0x2, ESP_FAIL, err, TAG, "wrong chip ID"); | ||
|
|
||
| return ESP_OK; | ||
| err: | ||
| return ret; | ||
| } | ||
|
|
||
| esp_eth_phy_t *esp_eth_phy_new_jl1101(const eth_phy_config_t *config) | ||
| { | ||
| esp_eth_phy_t *ret = NULL; | ||
| phy_jl1101_t *jl1101 = calloc(1, sizeof(phy_jl1101_t)); | ||
| ESP_GOTO_ON_FALSE(jl1101, NULL, err, TAG, "calloc jl1101 failed"); | ||
| ESP_GOTO_ON_FALSE(esp_eth_phy_802_3_obj_config_init(&jl1101->phy_802_3, config) == ESP_OK, | ||
| NULL, err, TAG, "configuration initialization of PHY 802.3 failed"); | ||
|
|
||
| // redefine functions which need to be customized for sake of jl1101 | ||
| jl1101->phy_802_3.parent.init = jl1101_init; | ||
| jl1101->phy_802_3.parent.get_link = jl1101_get_link; | ||
| jl1101->phy_802_3.parent.autonego_ctrl = jl1101_autonego_ctrl; | ||
| jl1101->phy_802_3.parent.loopback = jl1101_loopback; | ||
|
|
||
| return &jl1101->phy_802_3.parent; | ||
| err: | ||
| if (jl1101 != NULL) { | ||
| free(jl1101); | ||
| } | ||
| return ret; | ||
| } |
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