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change(esp_hw_support): modify system and modem clock to support modem domain power down

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This commit is contained in:
Li Shuai 2024-02-05 20:49:34 +08:00
parent 031f56e294
commit 0cb0890145
3 changed files with 57 additions and 66 deletions
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30
components/esp_hw_support/include/esp_private/sleep_clock.h
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@ -1,5 +1,5 @@
/*
* SPDX-FileCopyrightText: 2022-2023 Espressif Systems (Shanghai) CO LTD
* SPDX-FileCopyrightText: 2022-2024 Espressif Systems (Shanghai) CO LTD
*
* SPDX-License-Identifier: Apache-2.0
*/
@ -31,34 +31,6 @@ extern "C" {
*/
bool clock_domain_pd_allowed(void);
/**
* @brief PCR module power down initialize
*
* @return ESP_OK on success
* ESP_ERR_INVALID_ARG on invalid sleep_retention_entries_create args
* No memory for the retention link
*/
esp_err_t sleep_clock_system_retention_init(void);
/**
* @brief PCR module power down deinitialize
*/
void sleep_clock_system_retention_deinit(void);
/**
* @brief Modem syscon module power down initialize
*
* @return ESP_OK on success
* ESP_ERR_INVALID_ARG on invalid sleep_retention_entries_create args
* No memory for the retention link
*/
esp_err_t sleep_clock_modem_retention_init(void);
/**
* @brief Modem syscon module power down deinitialize
*/
void sleep_clock_modem_retention_deinit(void);
#ifdef __cplusplus
}
#endif

68
components/esp_hw_support/sleep_clock.c
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@ -1,5 +1,5 @@
/*
* SPDX-FileCopyrightText: 2022-2023 Espressif Systems (Shanghai) CO LTD
* SPDX-FileCopyrightText: 2022-2024 Espressif Systems (Shanghai) CO LTD
*
* SPDX-License-Identifier: Apache-2.0
*/
@ -29,7 +29,7 @@
static __attribute__((unused)) const char *TAG = "sleep_clock";
esp_err_t sleep_clock_system_retention_init(void)
static esp_err_t sleep_clock_system_retention_init(void *arg)
{
#if CONFIG_IDF_TARGET_ESP32C6
#define N_REGS_PCR() (((PCR_SRAM_POWER_CONF_REG - DR_REG_PCR_BASE) / 4) + 1)
@ -46,12 +46,8 @@ esp_err_t sleep_clock_system_retention_init(void)
return ESP_OK;
}
void sleep_clock_system_retention_deinit(void)
{
sleep_retention_entries_destroy(SLEEP_RETENTION_MODULE_CLOCK_SYSTEM);
}
esp_err_t sleep_clock_modem_retention_init(void)
#if CONFIG_MAC_BB_PD || CONFIG_BT_LE_SLEEP_ENABLE || CONFIG_IEEE802154_SLEEP_ENABLE
static esp_err_t sleep_clock_modem_retention_init(void *arg)
{
#define N_REGS_SYSCON() (((MODEM_SYSCON_MEM_CONF_REG - MODEM_SYSCON_TEST_CONF_REG) / 4) + 1)
#if SOC_PM_RETENTION_SW_TRIGGER_REGDMA
@ -70,34 +66,56 @@ esp_err_t sleep_clock_modem_retention_init(void)
ESP_LOGI(TAG, "Modem Power, Clock and Reset sleep retention initialization");
return ESP_OK;
}
void sleep_clock_modem_retention_deinit(void)
{
sleep_retention_entries_destroy(SLEEP_RETENTION_MODULE_CLOCK_MODEM);
}
#endif
bool IRAM_ATTR clock_domain_pd_allowed(void)
{
const uint32_t inited_modules = sleep_retention_get_inited_modules();
const uint32_t created_modules = sleep_retention_get_created_modules();
const uint32_t mask = (const uint32_t) (
BIT(SLEEP_RETENTION_MODULE_CLOCK_SYSTEM)
#if CONFIG_MAC_BB_PD || CONFIG_BT_LE_SLEEP_ENABLE || CONFIG_IEEE802154_SLEEP_ENABLE
| BIT(SLEEP_RETENTION_MODULE_CLOCK_MODEM)
const uint32_t sys_clk_dep_modules = (const uint32_t) (BIT(SLEEP_RETENTION_MODULE_SYS_PERIPH));
/* The clock and reset of MODEM (WiFi, BLE and 15.4) modules are managed
* through MODEM_SYSCON, when one or more MODEMs are initialized, it is
* necessary to check the state of CLOCK_MODEM to determine MODEM domain on
* or off. The clock and reset of digital peripherals are managed through
* PCR, with TOP domain similar to MODEM domain. */
uint32_t modem_clk_dep_modules = 0;
#if SOC_WIFI_SUPPORTED
modem_clk_dep_modules |= BIT(SLEEP_RETENTION_MODULE_WIFI_MAC) | BIT(SLEEP_RETENTION_MODULE_WIFI_BB);
#endif
);
return ((created_modules & mask) == mask);
#if SOC_BT_SUPPORTED
modem_clk_dep_modules |= BIT(SLEEP_RETENTION_MODULE_BLE_MAC) | BIT(SLEEP_RETENTION_MODULE_BT_BB);
#endif
#if SOC_IEEE802154_SUPPORTED
modem_clk_dep_modules |= BIT(SLEEP_RETENTION_MODULE_802154_MAC) | BIT(SLEEP_RETENTION_MODULE_BT_BB);
#endif
uint32_t mask = 0;
if (inited_modules & sys_clk_dep_modules) {
mask |= BIT(SLEEP_RETENTION_MODULE_CLOCK_SYSTEM);
}
if (inited_modules & modem_clk_dep_modules) {
#if SOC_WIFI_SUPPORTED || SOC_BT_SUPPORTED || SOC_IEEE802154_SUPPORTED
mask |= BIT(SLEEP_RETENTION_MODULE_CLOCK_MODEM);
#endif
}
return ((inited_modules & mask) == (created_modules & mask));
}
#if CONFIG_PM_POWER_DOWN_PERIPHERAL_IN_LIGHT_SLEEP || CONFIG_MAC_BB_PD || CONFIG_BT_LE_SLEEP_ENABLE || CONFIG_IEEE802154_SLEEP_ENABLE
ESP_SYSTEM_INIT_FN(sleep_clock_startup_init, BIT(0), 106)
{
#if CONFIG_PM_POWER_DOWN_PERIPHERAL_IN_LIGHT_SLEEP
sleep_clock_system_retention_init();
#endif
sleep_retention_module_init_param_t init_param = {
.cbs = { .create = { .handle = sleep_clock_system_retention_init, .arg = NULL } },
.attribute = SLEEP_RETENTION_MODULE_ATTR_PASSIVE
};
sleep_retention_module_init(SLEEP_RETENTION_MODULE_CLOCK_SYSTEM, &init_param);
#if CONFIG_MAC_BB_PD || CONFIG_BT_LE_SLEEP_ENABLE || CONFIG_IEEE802154_SLEEP_ENABLE
sleep_clock_modem_retention_init();
init_param = (sleep_retention_module_init_param_t) {
.cbs = { .create = { .handle = sleep_clock_modem_retention_init, .arg = NULL } },
.attribute = SLEEP_RETENTION_MODULE_ATTR_PASSIVE
};
sleep_retention_module_init(SLEEP_RETENTION_MODULE_CLOCK_MODEM, &init_param);
#endif
return ESP_OK;
}
#endif

25
components/esp_hw_support/sleep_modem.c
View File

@ -285,19 +285,20 @@ inline __attribute__((always_inline)) bool sleep_modem_wifi_modem_link_done(void
bool IRAM_ATTR modem_domain_pd_allowed(void)
{
#if SOC_PM_MODEM_RETENTION_BY_REGDMA
const uint32_t inited_modules = sleep_retention_get_inited_modules();
const uint32_t created_modules = sleep_retention_get_created_modules();
const uint32_t mask_wifi = (const uint32_t) ( \
BIT(SLEEP_RETENTION_MODULE_WIFI_MAC) | \
BIT(SLEEP_RETENTION_MODULE_WIFI_BB));
const uint32_t mask_ble = (const uint32_t) ( \
BIT(SLEEP_RETENTION_MODULE_BLE_MAC) | \
BIT(SLEEP_RETENTION_MODULE_BT_BB));
const uint32_t mask_154 = (const uint32_t) ( \
BIT(SLEEP_RETENTION_MODULE_802154_MAC) | \
BIT(SLEEP_RETENTION_MODULE_BT_BB));
return (((created_modules & mask_wifi) == mask_wifi) ||
((created_modules & mask_ble) == mask_ble) ||
((created_modules & mask_154) == mask_154));
uint32_t mask = 0;
#if SOC_WIFI_SUPPORTED
mask |= BIT(SLEEP_RETENTION_MODULE_WIFI_MAC) | BIT(SLEEP_RETENTION_MODULE_WIFI_BB);
#endif
#if SOC_BT_SUPPORTED
mask |= BIT(SLEEP_RETENTION_MODULE_BLE_MAC) | BIT(SLEEP_RETENTION_MODULE_BT_BB);
#endif
#if SOC_IEEE802154_SUPPORTED
mask |= BIT(SLEEP_RETENTION_MODULE_802154_MAC) | BIT(SLEEP_RETENTION_MODULE_BT_BB);
#endif
return ((inited_modules & mask) == (created_modules & mask));
#else
return false; /* MODEM power domain is controlled by each module (WiFi, Bluetooth or 15.4) of modem */
#endif