feat(isp_ccm): support isp color correction matrix

components/esp_driver_isp/include/driver/isp.h

@@ -15,3 +15,4 @@
 #include "driver/isp_af.h"
 #include "driver/isp_awb.h"
 #include "driver/isp_bf.h"
+#include "driver/isp_ccm.h"

components/esp_driver_isp/include/driver/isp_af.h

@@ -178,7 +178,7 @@ typedef struct {
 /**
  * @brief Prototype of ISP AF Env detector event callback
  *
- * @param[in] af_ctrlr   ISP AF controller handle
+ * @param[in] af_ctrlr  ISP AF controller handle
  * @param[in] edata     ISP AF Env detector event data
  * @param[in] user_data User registered context, registered when in `esp_isp_af_env_detector_register_event_callbacks()`
  *

components/esp_driver_isp/include/driver/isp_awb.h

@@ -164,7 +164,7 @@ typedef struct {
 /**
  * @brief Prototype of ISP AWB event callback
  *
- * @param[in] handle    ISP AWB controller handle
+ * @param[in] awb_ctlr    ISP AWB controller handle
  * @param[in] edata     ISP AWB event data
  * @param[in] user_data User registered context, registered when in `esp_isp_awb_env_detector_register_event_callbacks()`
  *

components/esp_driver_isp/include/driver/isp_ccm.h

@@ -0,0 +1,70 @@
+/*
+ * SPDX-FileCopyrightText: 2024 Espressif Systems (Shanghai) CO LTD
+ *
+ * SPDX-License-Identifier: Apache-2.0
+ */
+
+#pragma once
+
+#include <stdint.h>
+#include <stdbool.h>
+#include "esp_err.h"
+#include "driver/isp_types.h"
+
+#ifdef __cplusplus
+extern "C" {
+#endif
+
+/**
+ * @brief Color Correction Matrix configurations
+ *
+ */
+typedef struct {
+    float matrix[ISP_CCM_DIMENSION][ISP_CCM_DIMENSION];     /*!< The color correction matrix in float, range (-4.0, 4.0) */
+    bool saturation;                                        /*!< Whether to use saturation when the float data in the matrix is out of the range,
+                                                             *   For example, if one of the matrix data is 5.0,
+                                                             *   When saturation is true, and final value will be limited to 4.0, and won't rise error
+                                                             *   When saturation is false, `esp_isp_ccm_configure` will rise ESP_ERR_INVALID_ARG error
+                                                             */
+} esp_isp_ccm_config_t;
+
+/**
+ * @brief ISP Color Correction Matrix (CCM) configuration
+ *
+ * @note This function is allowed to be called before or after `esp_isp_ccm_enable`,
+ *       but it only takes effect until `esp_isp_ccm_enable` is called
+ *
+ * @param[in] proc    Processor handle
+ * @param[in] ccm_cfg CCM configurations, set NULL to de-configure the ISP CCM
+ *
+ * @return
+ *        - ESP_OK                 On success
+ *        - ESP_ERR_INVALID_ARG    If the combination of arguments is invalid
+ */
+esp_err_t esp_isp_ccm_configure(isp_proc_handle_t proc, const esp_isp_ccm_config_t *ccm_cfg);
+
+/**
+ * @brief Enable ISP CCM function
+ *
+ * @param[in] proc  Processor handle
+ *
+ * @return
+ *         - ESP_OK                On success
+ *         - ESP_ERR_INVALID_ARG   If the combination of arguments is invalid.
+ */
+esp_err_t esp_isp_ccm_enable(isp_proc_handle_t proc);
+
+/**
+ * @brief Disable ISP CCM function
+ *
+ * @param[in] proc  Processor handle
+ *
+ * @return
+ *         - ESP_OK                On success
+ *         - ESP_ERR_INVALID_ARG   If the combination of arguments is invalid.
+ */
+esp_err_t esp_isp_ccm_disable(isp_proc_handle_t proc);
+
+#ifdef __cplusplus
+}
+#endif