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feat(esp_driver_dma): add dw_gdma backend for async_memcpy

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morris
2026-08-10 16:16:53 +08:00
parent a063a8440f
commit eec76a070e
29 changed files with 1144 additions and 340 deletions
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components/esp_hal_dma/include/hal/dw_gdma_types.h
+19 -17
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@@ -69,30 +69,32 @@ typedef enum {
} dw_gdma_transfer_width_t;
/**
* @brief DW_GDMA burst mode
* @brief DW_GDMA address increment mode
*/
typedef enum {
DW_GDMA_BURST_MODE_INCREMENT, /*!< The address is increased after each transfer */
DW_GDMA_BURST_MODE_FIXED, /*!< The address remains the same after each transfer */
} dw_gdma_burst_mode_t;
DW_GDMA_ADDR_INC_MODE_INCREMENT, /*!< The address is increased by the data width after each data item */
DW_GDMA_ADDR_INC_MODE_FIXED, /*!< The address remains the same after each data item (e.g. FIFO/peripheral target) */
} dw_gdma_addr_inc_mode_t;
/**
* @brief Number of data items that are contained in one burst transaction
* @brief DW_GDMA burst size: number of data items contained in one (core-level) burst transaction
*
* @note One item's bit width is set by `dw_gdma_transfer_width_t`
* @note This maps to the DW_GDMA `MSIZE` field. It is the coarse, usually power-of-two, size of a
* single burst request. One item's bit width is set by `dw_gdma_transfer_width_t`.
* @note This is different from `axi_burst_len`, which is the fine-grained AXI burst length.
*/
typedef enum {
DW_GDMA_BURST_ITEMS_1, /*!< 1 data items in a burst transaction */
DW_GDMA_BURST_ITEMS_4, /*!< 4 data items in a burst transaction */
DW_GDMA_BURST_ITEMS_8, /*!< 8 data items in a burst transaction */
DW_GDMA_BURST_ITEMS_16, /*!< 16 data items in a burst transaction */
DW_GDMA_BURST_ITEMS_32, /*!< 32 data items in a burst transaction */
DW_GDMA_BURST_ITEMS_64, /*!< 64 data items in a burst transaction */
DW_GDMA_BURST_ITEMS_128, /*!< 128 data items in a burst transaction */
DW_GDMA_BURST_ITEMS_256, /*!< 256 data items in a burst transaction */
DW_GDMA_BURST_ITEMS_512, /*!< 512 data items in a burst transaction */
DW_GDMA_BURST_ITEMS_1024, /*!< 1024 data items in a burst transaction */
} dw_gdma_burst_items_t;
DW_GDMA_BURST_SIZE_1, /*!< 1 data item in a burst transaction */
DW_GDMA_BURST_SIZE_4, /*!< 4 data items in a burst transaction */
DW_GDMA_BURST_SIZE_8, /*!< 8 data items in a burst transaction */
DW_GDMA_BURST_SIZE_16, /*!< 16 data items in a burst transaction */
DW_GDMA_BURST_SIZE_32, /*!< 32 data items in a burst transaction */
DW_GDMA_BURST_SIZE_64, /*!< 64 data items in a burst transaction */
DW_GDMA_BURST_SIZE_128, /*!< 128 data items in a burst transaction */
DW_GDMA_BURST_SIZE_256, /*!< 256 data items in a burst transaction */
DW_GDMA_BURST_SIZE_512, /*!< 512 data items in a burst transaction */
DW_GDMA_BURST_SIZE_1024, /*!< 1024 data items in a burst transaction */
} dw_gdma_burst_size_t;
#ifdef __cplusplus
}