/* * SPDX-FileCopyrightText: 2022-2023 Espressif Systems (Shanghai) CO LTD * * SPDX-License-Identifier: Apache-2.0 */ // The HAL layer for MODEM CLOCK (ESP32-C6 specific part) #include <stdbool.h> #include "soc/soc.h" #include "esp_attr.h" #include "hal/modem_clock_hal.h" #include "hal/modem_clock_types.h" #include "hal/efuse_hal.h" #include "hal/assert.h" typedef enum { MODEM_CLOCK_XTAL32K_CODE = 0, MODEM_CLOCK_RC32K_CODE = 1, MODEM_CLOCK_EXT32K_CODE = 2 } modem_clock_32k_clk_src_code_t; void IRAM_ATTR modem_clock_hal_set_clock_domain_icg_bitmap(modem_clock_hal_context_t *hal, modem_clock_domain_t domain, uint32_t bitmap) { HAL_ASSERT(domain < MODEM_CLOCK_DOMAIN_MAX); switch (domain) { case MODEM_CLOCK_DOMAIN_MODEM_APB: modem_syscon_ll_set_modem_apb_icg_bitmap(hal->syscon_dev, bitmap); break; case MODEM_CLOCK_DOMAIN_MODEM_PERIPH: modem_syscon_ll_set_modem_periph_icg_bitmap(hal->syscon_dev, bitmap); break; case MODEM_CLOCK_DOMAIN_WIFI: modem_syscon_ll_set_wifi_icg_bitmap(hal->syscon_dev, bitmap); break; case MODEM_CLOCK_DOMAIN_BT: modem_syscon_ll_set_bt_icg_bitmap(hal->syscon_dev, bitmap); break; case MODEM_CLOCK_DOMAIN_FE: modem_syscon_ll_set_fe_icg_bitmap(hal->syscon_dev, bitmap); break; case MODEM_CLOCK_DOMAIN_IEEE802154: modem_syscon_ll_set_ieee802154_icg_bitmap(hal->syscon_dev, bitmap); break; case MODEM_CLOCK_DOMAIN_LP_APB: modem_lpcon_ll_set_lp_apb_icg_bitmap(hal->lpcon_dev, bitmap); break; case MODEM_CLOCK_DOMAIN_I2C_MASTER: modem_lpcon_ll_set_i2c_master_icg_bitmap(hal->lpcon_dev, bitmap); break; case MODEM_CLOCK_DOMAIN_COEX: modem_lpcon_ll_set_coex_icg_bitmap(hal->lpcon_dev, bitmap); break; case MODEM_CLOCK_DOMAIN_WIFIPWR: modem_lpcon_ll_set_wifipwr_icg_bitmap(hal->lpcon_dev, bitmap); break; default: break; } } uint32_t modem_clock_hal_get_clock_domain_icg_bitmap(modem_clock_hal_context_t *hal, modem_clock_domain_t domain) { HAL_ASSERT(domain < MODEM_CLOCK_DOMAIN_MAX); uint32_t bitmap = 0; switch (domain) { case MODEM_CLOCK_DOMAIN_MODEM_APB: bitmap = modem_syscon_ll_get_modem_apb_icg_bitmap(hal->syscon_dev); break; case MODEM_CLOCK_DOMAIN_MODEM_PERIPH: bitmap = modem_syscon_ll_get_modem_periph_icg_bitmap(hal->syscon_dev); break; case MODEM_CLOCK_DOMAIN_WIFI: bitmap = modem_syscon_ll_get_wifi_icg_bitmap(hal->syscon_dev); break; case MODEM_CLOCK_DOMAIN_BT: bitmap = modem_syscon_ll_get_bt_icg_bitmap(hal->syscon_dev); break; case MODEM_CLOCK_DOMAIN_FE: bitmap = modem_syscon_ll_get_fe_icg_bitmap(hal->syscon_dev); break; case MODEM_CLOCK_DOMAIN_IEEE802154: bitmap = modem_syscon_ll_get_ieee802154_icg_bitmap(hal->syscon_dev); break; case MODEM_CLOCK_DOMAIN_LP_APB: bitmap = modem_lpcon_ll_get_lp_apb_icg_bitmap(hal->lpcon_dev); break; case MODEM_CLOCK_DOMAIN_I2C_MASTER: bitmap = modem_lpcon_ll_get_i2c_master_icg_bitmap(hal->lpcon_dev); break; case MODEM_CLOCK_DOMAIN_COEX: bitmap = modem_lpcon_ll_get_coex_icg_bitmap(hal->lpcon_dev); break; case MODEM_CLOCK_DOMAIN_WIFIPWR: bitmap = modem_lpcon_ll_get_wifipwr_icg_bitmap(hal->lpcon_dev); break; default: break; } return bitmap; } void IRAM_ATTR modem_clock_hal_enable_fe_clock(modem_clock_hal_context_t *hal, bool enable) { if (enable) { modem_syscon_ll_enable_fe_apb_clock(hal->syscon_dev, enable); modem_syscon_ll_enable_fe_cal_160m_clock(hal->syscon_dev, enable); modem_syscon_ll_enable_fe_160m_clock(hal->syscon_dev, enable); modem_syscon_ll_enable_fe_80m_clock(hal->syscon_dev, enable); } } void modem_clock_hal_set_ble_rtc_timer_divisor_value(modem_clock_hal_context_t *hal, uint32_t divider) { modem_lpcon_ll_set_ble_rtc_timer_divisor_value(hal->lpcon_dev, divider); } void modem_clock_hal_enable_ble_rtc_timer_clock(modem_clock_hal_context_t *hal, bool enable) { modem_lpcon_ll_enable_ble_rtc_timer_clock(hal->lpcon_dev, enable); } void modem_clock_hal_deselect_all_ble_rtc_timer_lpclk_source(modem_clock_hal_context_t *hal) { modem_lpcon_ll_enable_ble_rtc_timer_slow_osc(hal->lpcon_dev, false); modem_lpcon_ll_enable_ble_rtc_timer_fast_osc(hal->lpcon_dev, false); modem_lpcon_ll_enable_ble_rtc_timer_32k_xtal(hal->lpcon_dev, false); modem_lpcon_ll_enable_ble_rtc_timer_main_xtal(hal->lpcon_dev, false); } void modem_clock_hal_select_ble_rtc_timer_lpclk_source(modem_clock_hal_context_t *hal, modem_clock_lpclk_src_t src) { HAL_ASSERT(src < MODEM_CLOCK_LPCLK_SRC_MAX); switch (src) { case MODEM_CLOCK_LPCLK_SRC_RC_SLOW: modem_lpcon_ll_enable_ble_rtc_timer_slow_osc(hal->lpcon_dev, true); break; case MODEM_CLOCK_LPCLK_SRC_RC_FAST: modem_lpcon_ll_enable_ble_rtc_timer_fast_osc(hal->lpcon_dev, true); break; case MODEM_CLOCK_LPCLK_SRC_MAIN_XTAL: modem_lpcon_ll_enable_ble_rtc_timer_main_xtal(hal->lpcon_dev, true); break; case MODEM_CLOCK_LPCLK_SRC_RC32K: modem_lpcon_ll_enable_ble_rtc_timer_32k_xtal(hal->lpcon_dev, true); modem_lpcon_ll_select_modem_32k_clock_source(hal->lpcon_dev, MODEM_CLOCK_RC32K_CODE); break; case MODEM_CLOCK_LPCLK_SRC_XTAL32K: modem_lpcon_ll_enable_ble_rtc_timer_32k_xtal(hal->lpcon_dev, true); modem_lpcon_ll_select_modem_32k_clock_source(hal->lpcon_dev, MODEM_CLOCK_XTAL32K_CODE); break; case MODEM_CLOCK_LPCLK_SRC_EXT32K: modem_lpcon_ll_enable_ble_rtc_timer_32k_xtal(hal->lpcon_dev, true); modem_lpcon_ll_select_modem_32k_clock_source(hal->lpcon_dev, MODEM_CLOCK_EXT32K_CODE); break; default: break; } } void modem_clock_hal_deselect_all_coex_lpclk_source(modem_clock_hal_context_t *hal) { modem_lpcon_ll_enable_coex_lpclk_slow_osc(hal->lpcon_dev, false); modem_lpcon_ll_enable_coex_lpclk_fast_osc(hal->lpcon_dev, false); modem_lpcon_ll_enable_coex_lpclk_32k_xtal(hal->lpcon_dev, false); modem_lpcon_ll_enable_coex_lpclk_main_xtal(hal->lpcon_dev, false); } void modem_clock_hal_select_coex_lpclk_source(modem_clock_hal_context_t *hal, modem_clock_lpclk_src_t src) { HAL_ASSERT(src < MODEM_CLOCK_LPCLK_SRC_MAX); switch (src) { case MODEM_CLOCK_LPCLK_SRC_RC_SLOW: modem_lpcon_ll_enable_coex_lpclk_slow_osc(hal->lpcon_dev, true); break; case MODEM_CLOCK_LPCLK_SRC_RC_FAST: modem_lpcon_ll_enable_coex_lpclk_fast_osc(hal->lpcon_dev, true); break; case MODEM_CLOCK_LPCLK_SRC_MAIN_XTAL: modem_lpcon_ll_enable_coex_lpclk_main_xtal(hal->lpcon_dev, true); break; case MODEM_CLOCK_LPCLK_SRC_RC32K: modem_lpcon_ll_enable_coex_lpclk_32k_xtal(hal->lpcon_dev, true); modem_lpcon_ll_select_modem_32k_clock_source(hal->lpcon_dev, MODEM_CLOCK_RC32K_CODE); break; case MODEM_CLOCK_LPCLK_SRC_XTAL32K: modem_lpcon_ll_enable_coex_lpclk_32k_xtal(hal->lpcon_dev, true); modem_lpcon_ll_select_modem_32k_clock_source(hal->lpcon_dev, MODEM_CLOCK_XTAL32K_CODE); break; case MODEM_CLOCK_LPCLK_SRC_EXT32K: modem_lpcon_ll_enable_coex_lpclk_32k_xtal(hal->lpcon_dev, true); modem_lpcon_ll_select_modem_32k_clock_source(hal->lpcon_dev, MODEM_CLOCK_EXT32K_CODE); break; default: break; } } void modem_clock_hal_deselect_all_wifi_lpclk_source(modem_clock_hal_context_t *hal) { modem_lpcon_ll_enable_wifi_lpclk_slow_osc(hal->lpcon_dev, false); modem_lpcon_ll_enable_wifi_lpclk_fast_osc(hal->lpcon_dev, false); modem_lpcon_ll_enable_wifi_lpclk_32k_xtal(hal->lpcon_dev, false); modem_lpcon_ll_enable_wifi_lpclk_main_xtal(hal->lpcon_dev, false); } void modem_clock_hal_select_wifi_lpclk_source(modem_clock_hal_context_t *hal, modem_clock_lpclk_src_t src) { HAL_ASSERT(src < MODEM_CLOCK_LPCLK_SRC_MAX); switch (src) { case MODEM_CLOCK_LPCLK_SRC_RC_SLOW: modem_lpcon_ll_enable_wifi_lpclk_slow_osc(hal->lpcon_dev, true); break; case MODEM_CLOCK_LPCLK_SRC_RC_FAST: modem_lpcon_ll_enable_wifi_lpclk_fast_osc(hal->lpcon_dev, true); break; case MODEM_CLOCK_LPCLK_SRC_MAIN_XTAL: modem_lpcon_ll_enable_wifi_lpclk_main_xtal(hal->lpcon_dev, true); break; case MODEM_CLOCK_LPCLK_SRC_RC32K: modem_lpcon_ll_enable_wifi_lpclk_32k_xtal(hal->lpcon_dev, true); modem_lpcon_ll_select_modem_32k_clock_source(hal->lpcon_dev, MODEM_CLOCK_RC32K_CODE); break; case MODEM_CLOCK_LPCLK_SRC_XTAL32K: modem_lpcon_ll_enable_wifi_lpclk_32k_xtal(hal->lpcon_dev, true); modem_lpcon_ll_select_modem_32k_clock_source(hal->lpcon_dev, MODEM_CLOCK_XTAL32K_CODE); break; case MODEM_CLOCK_LPCLK_SRC_EXT32K: modem_lpcon_ll_enable_wifi_lpclk_32k_xtal(hal->lpcon_dev, true); modem_lpcon_ll_select_modem_32k_clock_source(hal->lpcon_dev, MODEM_CLOCK_EXT32K_CODE); break; default: break; } } void modem_clock_hal_enable_wifipwr_clock(modem_clock_hal_context_t *hal, bool enable) { if (efuse_hal_chip_revision() == 0) { /* eco0 */ modem_lpcon_ll_enable_wifipwr_clock(hal->lpcon_dev, enable); } else { static int ref = 0; if (enable) { if (ref++ == 0) { modem_lpcon_ll_enable_wifipwr_clock(hal->lpcon_dev, enable); } } else { if (--ref == 0) { modem_lpcon_ll_enable_wifipwr_clock(hal->lpcon_dev, enable); } } HAL_ASSERT(ref > 0); } }