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feat(isp): support isp dma input and add example

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Co-authored-by: Cursor <cursoragent@cursor.com>
This commit is contained in:
gaoxu
2026-07-28 14:37:45 +08:00
committed by Gao Xu
co-authored by Cursor
parent 4966865e30
commit 2a02c7e55c
17 changed files with 906 additions and 20 deletions
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components/esp_driver_isp/include/esp_private/isp_private.h
+46 -1
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@@ -1,5 +1,5 @@
/*
* SPDX-FileCopyrightText: 2024-2025 Espressif Systems (Shanghai) CO LTD
* SPDX-FileCopyrightText: 2024-2026 Espressif Systems (Shanghai) CO LTD
*
* SPDX-License-Identifier: Apache-2.0
*/
@@ -60,6 +60,8 @@ typedef enum {
/*---------------------------------------------------------------
Driver Context
---------------------------------------------------------------*/
typedef struct esp_isp_dma_frame_ctx_t esp_isp_dma_frame_ctx_t;
typedef struct isp_processor_t {
int proc_id;
isp_clk_src_t clk_src;
@@ -72,10 +74,14 @@ typedef struct isp_processor_t {
portMUX_TYPE spinlock;
color_space_pixel_format_t in_color_format;
color_space_pixel_format_t out_color_format;
isp_input_data_source_t input_data_source;
uint32_t h_res;
uint32_t v_res;
color_raw_element_order_t bayer_order;
bool bypass_isp;
uint32_t dma_in_burst_len; // ISP DMA input burst length (64-bit beats), kept in sync with the input GDMA dst MSIZE
uint32_t dma_out_burst_len; // ISP DMA output burst length (64-bit beats)
esp_isp_dma_frame_ctx_t *dma_frame_ctx;
/* sub module contexts */
isp_af_ctlr_t af_ctlr[SOC_ISP_AF_CTLR_NUMS];
isp_awb_ctlr_t awb_ctlr;
@@ -133,6 +139,45 @@ bool esp_isp_awb_isr(isp_proc_handle_t proc, uint32_t awb_events);
bool esp_isp_sharpen_isr(isp_proc_handle_t proc, uint32_t sharp_events);
bool esp_isp_hist_isr(isp_proc_handle_t proc, uint32_t hist_events);
/*---------------------------------------------------------------
DMA INPUT
---------------------------------------------------------------*/
/**
* @brief Configure the ISP DMA input path (frame size, burst length, data type)
*
* @note Internal helper invoked while creating a processor whose input source is DWGDMA.
*
* @param[in] proc Processor handle
*
* @return
* - ESP_OK On success
* - ESP_ERR_INVALID_ARG Invalid input color format or frame size
*/
esp_err_t isp_dma_configure_input(isp_proc_handle_t proc);
/**
* @brief Create the ISP DMA frame context
*
* @note Internal helper invoked while creating a processor whose input source is DWGDMA.
*
* @param[in] proc Processor handle
*
* @return
* - ESP_OK On success
* - ESP_ERR_INVALID_ARG Invalid processor, burst length, or frame size
* - ESP_ERR_INVALID_STATE Processor input source is not DWGDMA or the context already exists
* - ESP_ERR_NO_MEM Failed to allocate the context or synchronization objects
* - Other errors returned by the underlying DMA driver
*/
esp_err_t isp_dma_new_frame_ctx(isp_proc_handle_t proc);
/**
* @brief Delete the ISP DMA frame context
*
* @param[in] proc Processor handle
*/
void isp_dma_del_frame_ctx(isp_proc_handle_t proc);
#ifdef __cplusplus
}
#endif