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https://github.com/espressif/esp-idf.git
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90 lines
2.0 KiB
C
90 lines
2.0 KiB
C
/*
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* SPDX-FileCopyrightText: 2015-2023 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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#include "esp_attr.h"
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#include "freertos/portmacro.h"
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#include "esp_phy_init.h"
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#include "esp_private/phy.h"
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#if SOC_MODEM_CLOCK_IS_INDEPENDENT
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#include "esp_private/esp_modem_clock.h"
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#endif
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#define PHY_ENABLE_VERSION_PRINT 1
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static DRAM_ATTR portMUX_TYPE s_phy_int_mux = portMUX_INITIALIZER_UNLOCKED;
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extern void phy_version_print(void);
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static _lock_t s_phy_access_lock;
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/* Reference count of enabling PHY */
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static uint8_t s_phy_access_ref = 0;
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static bool s_phy_is_enabled = false;
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uint32_t IRAM_ATTR phy_enter_critical(void)
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{
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if (xPortInIsrContext()) {
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portENTER_CRITICAL_ISR(&s_phy_int_mux);
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} else {
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portENTER_CRITICAL(&s_phy_int_mux);
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}
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// Interrupt level will be stored in current tcb, so always return zero.
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return 0;
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}
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void IRAM_ATTR phy_exit_critical(uint32_t level)
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{
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// Param level don't need any more, ignore it.
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if (xPortInIsrContext()) {
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portEXIT_CRITICAL_ISR(&s_phy_int_mux);
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} else {
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portEXIT_CRITICAL(&s_phy_int_mux);
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}
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}
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void esp_phy_enable(void)
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{
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_lock_acquire(&s_phy_access_lock);
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if (s_phy_access_ref == 0) {
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#if SOC_MODEM_CLOCK_IS_INDEPENDENT
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modem_clock_module_enable(PERIPH_PHY_MODULE);
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#endif
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if (!s_phy_is_enabled) {
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register_chipv7_phy(NULL, NULL, PHY_RF_CAL_FULL);
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phy_version_print();
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s_phy_is_enabled = true;
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} else {
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phy_wakeup_init();
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}
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phy_track_pll_init();
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}
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s_phy_access_ref++;
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_lock_release(&s_phy_access_lock);
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}
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void esp_phy_disable(void)
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{
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_lock_acquire(&s_phy_access_lock);
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if (s_phy_access_ref) {
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s_phy_access_ref--;
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}
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if (s_phy_access_ref == 0) {
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phy_track_pll_deinit();
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phy_close_rf();
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phy_xpd_tsens();
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#if SOC_MODEM_CLOCK_IS_INDEPENDENT
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modem_clock_module_disable(PERIPH_PHY_MODULE);
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#endif
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}
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_lock_release(&s_phy_access_lock);
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}
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