esp-idf/components/hal/esp32c6/modem_clock_hal.c

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/*
* 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 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 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);
}
}