kopia lustrzana https://github.com/espressif/esp-idf
93 wiersze
3.6 KiB
C
93 wiersze
3.6 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 <stdint.h>
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#include "esp_check.h"
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#include "esp_log.h"
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#include "freertos/FreeRTOS.h"
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#include "esp_private/btbb.h"
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#define BTBB_ENABLE_VERSION_PRINT 1
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static _lock_t s_btbb_access_lock;
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/* Reference count of enabling BT BB */
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static uint8_t s_btbb_access_ref = 0;
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#if SOC_PM_MODEM_RETENTION_BY_REGDMA && CONFIG_FREERTOS_USE_TICKLESS_IDLE
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#include "esp_private/sleep_retention.h"
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#include "btbb_retention_reg.h"
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static const char* TAG = "btbb_init";
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#if SOC_PM_RETENTION_HAS_CLOCK_BUG
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#define BTBB_LINK_OWNER ENTRY(3)
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#else
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#define BTBB_LINK_OWNER ENTRY(0) | ENTRY(2)
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#endif // SOC_PM_RETENTION_HAS_CLOCK_BUG
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static esp_err_t btbb_sleep_retention_init(void *arg)
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{
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const static sleep_retention_entries_config_t btbb_regs_retention[] = {
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[0] = { .config = REGDMA_LINK_CONTINUOUS_INIT(REGDMA_MODEM_BT_BB_LINK(0x00), BB_PART_0_ADDR, BB_PART_0_ADDR, BB_PART_0_SIZE, 0, 0), .owner = BTBB_LINK_OWNER },
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[1] = { .config = REGDMA_LINK_CONTINUOUS_INIT(REGDMA_MODEM_BT_BB_LINK(0x01), BB_PART_1_ADDR, BB_PART_1_ADDR, BB_PART_1_SIZE, 0, 0), .owner = BTBB_LINK_OWNER },
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[2] = { .config = REGDMA_LINK_CONTINUOUS_INIT(REGDMA_MODEM_BT_BB_LINK(0x02), BB_PART_2_ADDR, BB_PART_2_ADDR, BB_PART_2_SIZE, 0, 0), .owner = BTBB_LINK_OWNER },
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};
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esp_err_t err = sleep_retention_entries_create(btbb_regs_retention, ARRAY_SIZE(btbb_regs_retention), REGDMA_LINK_PRI_BT_MAC_BB, SLEEP_RETENTION_MODULE_BT_BB);
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ESP_RETURN_ON_ERROR(err, TAG, "failed to allocate memory for btbb retention");
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ESP_LOGD(TAG, "btbb sleep retention initialization");
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return ESP_OK;
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}
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static void btbb_sleep_retention_deinit(void)
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{
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esp_err_t err = sleep_retention_module_free(SLEEP_RETENTION_MODULE_BT_BB);
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if (err != ESP_OK) {
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ESP_LOGW(TAG, "failed to destroy sleep retention linked list for btbb retention");
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}
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err = sleep_retention_module_deinit(SLEEP_RETENTION_MODULE_BT_BB);
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if (err != ESP_OK) {
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ESP_LOGW(TAG, "Modem BT BB retention callback unregister failed");
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}
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}
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#endif // SOC_PM_MODEM_RETENTION_BY_REGDMA && CONFIG_FREERTOS_USE_TICKLESS_IDLE
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void esp_btbb_enable(void)
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{
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_lock_acquire(&s_btbb_access_lock);
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if (s_btbb_access_ref == 0) {
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bt_bb_v2_init_cmplx(BTBB_ENABLE_VERSION_PRINT);
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#if SOC_PM_MODEM_RETENTION_BY_REGDMA && CONFIG_FREERTOS_USE_TICKLESS_IDLE
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sleep_retention_module_init_param_t init_param = {
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.cbs = { .create = { .handle = btbb_sleep_retention_init, .arg = NULL } },
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.depends = BIT(SLEEP_RETENTION_MODULE_CLOCK_MODEM)
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};
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esp_err_t err = sleep_retention_module_init(SLEEP_RETENTION_MODULE_BT_BB, &init_param);
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if (err == ESP_OK) {
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err = sleep_retention_module_allocate(SLEEP_RETENTION_MODULE_BT_BB);
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if (err != ESP_OK) {
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ESP_LOGW(TAG, "failed to allocate sleep retention linked list for btbb retention");
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}
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} else {
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ESP_LOGW(TAG, "Modem BT BB retention callback register failed");
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}
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#endif // SOC_PM_MODEM_RETENTION_BY_REGDMA && CONFIG_FREERTOS_USE_TICKLESS_IDLE
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}
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s_btbb_access_ref++;
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_lock_release(&s_btbb_access_lock);
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}
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void esp_btbb_disable(void)
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{
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_lock_acquire(&s_btbb_access_lock);
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if (s_btbb_access_ref && (--s_btbb_access_ref == 0)) {
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#if SOC_PM_MODEM_RETENTION_BY_REGDMA && CONFIG_FREERTOS_USE_TICKLESS_IDLE
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btbb_sleep_retention_deinit();
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#endif // SOC_PM_MODEM_RETENTION_BY_REGDMA && CONFIG_FREERTOS_USE_TICKLESS_IDLE
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}
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_lock_release(&s_btbb_access_lock);
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}
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