dma_esp32.h

Go to the documentation of this file.

/*
 * Copyright (c) 2022 Espressif Systems (Shanghai) Co., Ltd.
 *
 * SPDX-License-Identifier: Apache-2.0
 */
 
#ifndef ZEPHYR_INCLUDE_DRIVERS_DMA_ESP32_H_
#define ZEPHYR_INCLUDE_DRIVERS_DMA_ESP32_H_
 
enum gdma_trigger_peripheral {
        ESP_GDMA_TRIG_PERIPH_M2M = -1,
        ESP_GDMA_TRIG_PERIPH_SPI2 = 0,
        ESP_GDMA_TRIG_PERIPH_SPI3 = 1,
        ESP_GDMA_TRIG_PERIPH_UHCI0 = 2,
        ESP_GDMA_TRIG_PERIPH_I2S0 = 3,
        ESP_GDMA_TRIG_PERIPH_I2S1 = 4,
        ESP_GDMA_TRIG_PERIPH_LCD0 = 5,
        ESP_GDMA_TRIG_PERIPH_CAM0 = 5,
        ESP_GDMA_TRIG_PERIPH_AES = 6,
        ESP_GDMA_TRIG_PERIPH_SHA = 7,
        ESP_GDMA_TRIG_PERIPH_ADC0 = 8,
        ESP_GDMA_TRIG_PERIPH_DAC0 = 8,
        ESP_GDMA_TRIG_PERIPH_RMT = 9,
        ESP_GDMA_TRIG_PERIPH_INVALID = 0x3F,
};
 
#define ESP32_DT_INST_DMA_CTLR(n, name)                 \
        COND_CODE_1(DT_INST_NODE_HAS_PROP(n, dmas),             \
                    (DEVICE_DT_GET(DT_INST_DMAS_CTLR_BY_NAME(n, name))),        \
                    (NULL))
 
#define ESP32_DT_INST_DMA_CELL(n, name, cell)           \
        COND_CODE_1(DT_INST_NODE_HAS_PROP(n, dmas),             \
                    (DT_INST_DMAS_CELL_BY_NAME(n, name, cell)), \
                    (0xff))
 
 
#endif /* ZEPHYR_INCLUDE_DRIVERS_DMA_ESP32_H_ */