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feat(csi): support csi input bit swap

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This commit is contained in:
armando
2026-03-02 09:56:10 +08:00
parent 926523d24d
commit 37f9cef6dd
6 changed files with 218 additions and 152 deletions
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components/esp_driver_cam/csi/include/esp_cam_ctlr_csi.h
+5 -3
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@@ -1,5 +1,5 @@
/*
* SPDX-FileCopyrightText: 2024 Espressif Systems (Shanghai) CO LTD
* SPDX-FileCopyrightText: 2024-2026 Espressif Systems (Shanghai) CO LTD
*
* SPDX-License-Identifier: Apache-2.0
*/
@@ -29,8 +29,10 @@ typedef struct {
cam_ctlr_color_t output_data_color_type; /*!< Output color type. */
int queue_items; /*!< Number of queue items. */
struct {
uint32_t byte_swap_en : 1; /*!< Set to 1 to enable byte swap. */
uint32_t bk_buffer_dis : 1; /*!< Set to 1 to disable backup buffer. */
uint32_t input_8bit_swap_en : 1; /*!< Set to 1 to enable input 8bit bit swap. [31:24] [23:16] [15:8] [7:0] -> [7:0] [15:8] [23:16] [31:24]*/
uint32_t input_16bit_swap_en : 1; /*!< Set to 1 to enable input 16bit bit swap. [31:16] [15:0] -> [15:0] [31:16] */
uint32_t byte_swap_en : 1; /*!< Set to 1 to enable output byte swap. */
uint32_t bk_buffer_dis : 1; /*!< Set to 1 to disable backup buffer. */
}; /*!< Boolean flags. */
} esp_cam_ctlr_csi_config_t;
components/esp_driver_cam/csi/src/esp_cam_ctlr_csi.c
+24 -7
View File
@@ -106,6 +106,15 @@ esp_err_t esp_cam_new_csi_ctlr(const esp_cam_ctlr_csi_config_t *config, esp_cam_
ESP_RETURN_ON_FALSE(config->input_data_color_type != 0, ESP_ERR_INVALID_ARG, TAG, "input_data_color_type must be specified");
ESP_RETURN_ON_FALSE(config->output_data_color_type != 0, ESP_ERR_INVALID_ARG, TAG, "output_data_color_type must be specified");
bool is_less_v1 = false; //version 1 since P4 rev3
#if CONFIG_IDF_TARGET_ESP32P4
unsigned chip_version = efuse_hal_chip_revision();
if (!ESP_CHIP_REV_ABOVE(chip_version, 300)) {
is_less_v1 = true;
}
#endif
ESP_RETURN_ON_FALSE(!(is_less_v1 && (config->input_8bit_swap_en || config->input_16bit_swap_en)), ESP_ERR_NOT_SUPPORTED, TAG, "input 8bit or 16bit swap is not supported on this chip");
csi_controller_t *ctlr = heap_caps_calloc(1, sizeof(csi_controller_t), CSI_MEM_ALLOC_CAPS);
ESP_RETURN_ON_FALSE(ctlr, ESP_ERR_NO_MEM, TAG, "no mem for csi controller context");
@@ -184,6 +193,19 @@ esp_err_t esp_cam_new_csi_ctlr(const esp_cam_ctlr_csi_config_t *config, esp_cam_
mipi_csi_hal_init(&ctlr->hal, &hal_config);
mipi_csi_brg_ll_set_burst_len(ctlr->hal.bridge_dev, 512);
cam_ctlr_format_conv_config_t format_conv_config = {
.src_format = config->input_data_color_type,
.dst_format = config->output_data_color_type,
};
ESP_GOTO_ON_ERROR(s_csi_ctlr_format_conversion(&(ctlr->base), &format_conv_config), err, TAG, "failed to configure format conversion");
if (config->input_8bit_swap_en) {
mipi_csi_brg_ll_set_8bit_swap(ctlr->hal.bridge_dev, true);
}
if (config->input_16bit_swap_en) {
mipi_csi_brg_ll_set_16bit_swap(ctlr->hal.bridge_dev, true);
}
//---------------DWGDMA Init For CSI------------------//
dw_gdma_channel_handle_t csi_dma_chan = NULL;
dw_gdma_channel_alloc_config_t csi_dma_alloc_config = {
@@ -219,12 +241,6 @@ esp_err_t esp_cam_new_csi_ctlr(const esp_cam_ctlr_csi_config_t *config, esp_cam_
ESP_GOTO_ON_ERROR(esp_pm_lock_create(ESP_PM_APB_FREQ_MAX, 0, "cam_csi_ctlr", &ctlr->pm_lock), err, TAG, "failed to create pm lock");
#endif //CONFIG_PM_ENABLE
cam_ctlr_format_conv_config_t format_conv_config = {
.src_format = config->input_data_color_type,
.dst_format = config->output_data_color_type,
};
ESP_GOTO_ON_ERROR(s_csi_ctlr_format_conversion(&(ctlr->base), &format_conv_config), err, TAG, "failed to configure format conversion");
ctlr->spinlock = (portMUX_TYPE)portMUX_INITIALIZER_UNLOCKED;
ctlr->csi_fsm = CSI_FSM_INIT;
ctlr->base.del = s_ctlr_del;
@@ -596,6 +612,8 @@ static esp_err_t s_csi_ctlr_format_conversion(esp_cam_ctlr_t *handle, const cam_
ESP_RETURN_ON_FALSE(handle && config, ESP_ERR_INVALID_ARG, TAG, "invalid argument: null pointer");
csi_controller_t *ctlr = __containerof(handle, csi_controller_t, base);
mipi_csi_brg_ll_enable_color_conversion(ctlr->hal.bridge_dev, true);
if (config->src_format == config->dst_format) {
mipi_csi_brg_ll_set_color_mode_bypass(ctlr->hal.bridge_dev, true);
return ESP_OK;
@@ -614,7 +632,6 @@ static esp_err_t s_csi_ctlr_format_conversion(esp_cam_ctlr_t *handle, const cam_
mipi_csi_brg_ll_set_input_color_format(ctlr->hal.bridge_dev, config->src_format);
mipi_csi_brg_ll_set_output_color_format(ctlr->hal.bridge_dev, config->dst_format);
mipi_csi_brg_ll_set_color_mode_bypass(ctlr->hal.bridge_dev, false);
mipi_csi_brg_ll_enable_color_conversion(ctlr->hal.bridge_dev, true);
}
ctlr->in_color_format = config->src_format;
ctlr->out_color_format = config->dst_format;