esp-idf/components/esp_hw_support/dma/gdma_sleep_retention.c

49 lines
1.7 KiB
C

/*
* SPDX-FileCopyrightText: 2020-2024 Espressif Systems (Shanghai) CO LTD
*
* SPDX-License-Identifier: Apache-2.0
*/
#include <stdlib.h>
#include <string.h>
#include "sdkconfig.h"
#include "soc/soc_caps.h"
#include "esp_err.h"
#include "esp_check.h"
#include "esp_log.h"
#include "esp_private/sleep_retention.h"
#include "esp_private/esp_regdma.h"
#include "sleep_gdma_retention_context.inc"
static const char *TAG = "gdma";
#define SLEEP_RETENTION_MODULE_GDMA_CH(group_id, pair_id) (SLEEP_RETENTION_MODULE_GDMA_CH0 << (SOC_GDMA_PAIRS_PER_GROUP_MAX * group_id) << pair_id)
static esp_err_t sleep_modem_gdma_channel_retention_init(sleep_retention_module_bitmap_t module)
{
uint32_t id = __builtin_ctz(module / SLEEP_RETENTION_MODULE_GDMA_CH0);
esp_err_t err = sleep_retention_entries_create(gdma_chx_regs_retention[id].link_list, gdma_chx_regs_retention[id].link_num, REGDMA_LINK_PRI_7, module);
if (err == ESP_OK) {
int group_id = id / SOC_GDMA_PAIRS_PER_GROUP_MAX;
int pair_id = id % SOC_GDMA_PAIRS_PER_GROUP_MAX;
ESP_LOGI(TAG, "GDMA pair (%d, %d) retention initialization", group_id, pair_id);
}
return err;
}
esp_err_t gdma_sleep_retention_init(int group_id, int pair_id)
{
esp_err_t err = ESP_OK;
err = sleep_modem_gdma_channel_retention_init(SLEEP_RETENTION_MODULE_GDMA_CH(group_id, pair_id));
ESP_RETURN_ON_ERROR(err, TAG, "Failed to create sleep retention linked list for GDMA pair (%d, %d) retention", group_id, pair_id);
return err;
}
esp_err_t gdma_sleep_retention_deinit(int group_id, int pair_id)
{
sleep_retention_entries_destroy(SLEEP_RETENTION_MODULE_GDMA_CH(group_id, pair_id));
return ESP_OK;;
}