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https://github.com/espressif/esp-idf.git
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216 lines
8.4 KiB
C
216 lines
8.4 KiB
C
/*
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* SPDX-FileCopyrightText: 2023-2024 Espressif Systems (Shanghai) CO LTD
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*
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* SPDX-License-Identifier: Apache-2.0
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*/
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#include <stdint.h>
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#include <sys/param.h>
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#include <string.h>
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#include "sdkconfig.h"
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#include "soc/soc_caps.h"
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#include "hal/assert.h"
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#include "hal/log.h"
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#include "hal/isp_hal.h"
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#include "hal/isp_ll.h"
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#include "hal/isp_types.h"
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#include "hal/hal_utils.h"
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/**
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* ISP HAL layer
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*/
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void isp_hal_init(isp_hal_context_t *hal, int isp_id)
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{
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//ISP hardware instance
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hal->hw = ISP_LL_GET_HW(isp_id);
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isp_ll_init(hal->hw);
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}
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/*---------------------------------------------------------------
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AE
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---------------------------------------------------------------*/
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void isp_hal_ae_window_config(isp_hal_context_t *hal, const isp_window_t *window)
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{
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uint32_t ae_x_start = window->top_left.x;
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uint32_t ae_x_bsize = (window->btm_right.x - window-> top_left.x) / SOC_ISP_AE_BLOCK_X_NUMS;
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uint32_t ae_y_start = window->top_left.y;
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uint32_t ae_y_bsize = (window->btm_right.y - window->top_left.y) / SOC_ISP_AE_BLOCK_Y_NUMS;
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isp_ll_ae_set_window_range(hal->hw, ae_x_start, ae_x_bsize, ae_y_start, ae_y_bsize);
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int ae_subwin_pixnum = ae_x_bsize * ae_y_bsize;
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isp_ll_ae_set_subwin_pixnum_recip(hal->hw, ae_subwin_pixnum);
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}
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/*---------------------------------------------------------------
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AF
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---------------------------------------------------------------*/
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void isp_hal_af_window_config(isp_hal_context_t *hal, int window_id, const isp_window_t *window)
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{
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isp_ll_af_set_window_range(hal->hw, window_id, window->top_left.x, window->top_left.y, window->btm_right.x, window->btm_right.y);
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}
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/*---------------------------------------------------------------
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AWB
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---------------------------------------------------------------*/
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bool isp_hal_awb_set_window_range(isp_hal_context_t *hal, const isp_window_t *win)
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{
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if (win->top_left.x > win->btm_right.x ||
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win->top_left.y > win->btm_right.y ||
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win->btm_right.x > ISP_LL_AWB_WINDOW_MAX_RANGE ||
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win->btm_right.y > ISP_LL_AWB_WINDOW_MAX_RANGE) {
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return false;
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}
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isp_ll_awb_set_window_range(hal->hw, win->top_left.x, win->top_left.y,
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win->btm_right.x, win->btm_right.y);
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return true;
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}
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bool isp_hal_awb_set_luminance_range(isp_hal_context_t *hal, uint32_t lum_min, uint32_t lum_max)
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{
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if (lum_min > lum_max || lum_max > ISP_LL_AWB_LUM_MAX_RANGE) {
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return false;
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}
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isp_ll_awb_set_luminance_range(hal->hw, lum_min, lum_max);
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return true;
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}
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bool isp_hal_awb_set_rg_ratio_range(isp_hal_context_t *hal, float rg_min, float rg_max)
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{
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// Convert to fixed point
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isp_ll_awb_rgb_ratio_t fp_rg_min = {};
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isp_ll_awb_rgb_ratio_t fp_rg_max = {};
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hal_utils_fixed_point_t fp_cfg = {
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.int_bit = ISP_LL_AWB_RGB_RATIO_INT_BITS,
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.frac_bit = ISP_LL_AWB_RGB_RATIO_FRAC_BITS,
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.saturation = false,
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};
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if (hal_utils_float_to_fixed_point_32b(rg_min, &fp_cfg, &fp_rg_min.val) != 0) {
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return false;
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}
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if (hal_utils_float_to_fixed_point_32b(rg_max, &fp_cfg, &fp_rg_max.val) != 0) {
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return false;
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}
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// Set AWB white patch R/G ratio range
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isp_ll_awb_set_rg_ratio_range(hal->hw, fp_rg_min, fp_rg_max);
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return true;
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}
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bool isp_hal_awb_set_bg_ratio_range(isp_hal_context_t *hal, float bg_min, float bg_max)
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{
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// Convert to fixed point
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isp_ll_awb_rgb_ratio_t fp_bg_min = {};
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isp_ll_awb_rgb_ratio_t fp_bg_max = {};
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hal_utils_fixed_point_t fp_cfg = {
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.int_bit = ISP_LL_AWB_RGB_RATIO_INT_BITS,
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.frac_bit = ISP_LL_AWB_RGB_RATIO_FRAC_BITS,
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.saturation = false,
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};
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if (hal_utils_float_to_fixed_point_32b(bg_min, &fp_cfg, &fp_bg_min.val) != 0) {
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return false;
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}
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if (hal_utils_float_to_fixed_point_32b(bg_max, &fp_cfg, &fp_bg_max.val) != 0) {
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return false;
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}
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// Set AWB white patch B/G ratio range
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isp_ll_awb_set_bg_ratio_range(hal->hw, fp_bg_min, fp_bg_max);
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return true;
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}
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/*---------------------------------------------------------------
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BF
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---------------------------------------------------------------*/
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void isp_hal_bf_config(isp_hal_context_t *hal, isp_hal_bf_cfg_t *config)
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{
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if (config) {
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isp_ll_bf_set_sigma(hal->hw, config->denoising_level);
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isp_ll_bf_set_padding_mode(hal->hw, config->padding_mode);
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isp_ll_bf_set_padding_data(hal->hw, config->padding_data);
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isp_ll_bf_set_padding_line_tail_valid_start_pixel(hal->hw, config->padding_line_tail_valid_start_pixel);
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isp_ll_bf_set_padding_line_tail_valid_end_pixel(hal->hw, config->padding_line_tail_valid_end_pixel);
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isp_ll_bf_set_template(hal->hw, config->bf_template);
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} else {
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isp_ll_bf_set_sigma(hal->hw, 0);
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isp_ll_bf_set_padding_mode(hal->hw, 0);
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isp_ll_bf_set_padding_data(hal->hw, 0);
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isp_ll_bf_set_padding_line_tail_valid_start_pixel(hal->hw, 0);
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isp_ll_bf_set_padding_line_tail_valid_end_pixel(hal->hw, 0);
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uint8_t default_template[SOC_ISP_BF_TEMPLATE_X_NUMS][SOC_ISP_BF_TEMPLATE_Y_NUMS] = {};
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memset(default_template, 0, sizeof(default_template));
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isp_ll_bf_set_template(hal->hw, default_template);
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}
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}
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/*---------------------------------------------------------------
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Color Correction Matrix
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---------------------------------------------------------------*/
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bool isp_hal_ccm_set_matrix(const isp_hal_context_t *hal, bool saturation, const float flt_matrix[ISP_CCM_DIMENSION][ISP_CCM_DIMENSION])
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{
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isp_ll_ccm_gain_t fp_matrix[ISP_CCM_DIMENSION][ISP_CCM_DIMENSION] = {};
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hal_utils_fixed_point_t fp_cfg = {
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.int_bit = ISP_LL_CCM_MATRIX_INT_BITS,
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.frac_bit = ISP_LL_CCM_MATRIX_FRAC_BITS,
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.saturation = saturation,
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};
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int err_level = saturation ? -1 : 0;
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/* Transfer the float type to fixed point */
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for (int i = 0; i < ISP_CCM_DIMENSION; i++) {
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for (int j = 0; j < ISP_CCM_DIMENSION; j++) {
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if (hal_utils_float_to_fixed_point_32b(flt_matrix[i][j], &fp_cfg, &fp_matrix[i][j].val) < err_level) {
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return false;
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}
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}
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}
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isp_ll_ccm_set_matrix(hal->hw, fp_matrix);
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return true;
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}
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/*---------------------------------------------------------------
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INTR, put in iram
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---------------------------------------------------------------*/
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uint32_t isp_hal_check_clear_intr_event(const isp_hal_context_t *hal, uint32_t mask)
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{
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uint32_t triggered_events = isp_ll_get_intr_status(hal->hw) & mask;
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if (triggered_events) {
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isp_ll_clear_intr(hal->hw, triggered_events);
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}
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return triggered_events;
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}
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/*---------------------------------------------------------------
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Sharpness
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---------------------------------------------------------------*/
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void isp_hal_sharpen_config(isp_hal_context_t *hal, isp_hal_sharpen_cfg_t *config)
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{
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if (config) {
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isp_ll_sharp_set_low_thresh(hal->hw, config->l_thresh);
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isp_ll_sharp_set_high_thresh(hal->hw, config->h_thresh);
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isp_ll_sharp_set_medium_freq_coeff(hal->hw, config->m_freq_coeff);
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isp_ll_sharp_set_high_freq_coeff(hal->hw, config->h_freq_coeff);
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isp_ll_sharp_set_padding_mode(hal->hw, config->padding_mode);
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isp_ll_sharp_set_padding_data(hal->hw, config->padding_data);
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isp_ll_sharp_set_padding_line_tail_valid_start_pixel(hal->hw, config->padding_line_tail_valid_start_pixel);
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isp_ll_sharp_set_padding_line_tail_valid_end_pixel(hal->hw, config->padding_line_tail_valid_end_pixel);
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isp_ll_sharp_set_template(hal->hw, config->sharpen_template);
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} else {
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isp_ll_sharp_set_low_thresh(hal->hw, 0);
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isp_ll_sharp_set_high_thresh(hal->hw, 0);
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isp_sharpen_m_freq_coeff m_freq = {};
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isp_sharpen_h_freq_coeff h_freq = {};
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isp_ll_sharp_set_medium_freq_coeff(hal->hw, m_freq);
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isp_ll_sharp_set_high_freq_coeff(hal->hw, h_freq);
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isp_ll_sharp_set_padding_mode(hal->hw, 0);
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isp_ll_sharp_set_padding_data(hal->hw, 0);
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isp_ll_sharp_set_padding_line_tail_valid_start_pixel(hal->hw, 0);
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isp_ll_sharp_set_padding_line_tail_valid_end_pixel(hal->hw, 0);
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uint8_t default_template[SOC_ISP_SHARPEN_TEMPLATE_X_NUMS][SOC_ISP_SHARPEN_TEMPLATE_Y_NUMS] = {};
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memset(default_template, 0, sizeof(default_template));
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isp_ll_sharp_set_template(hal->hw, default_template);
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}
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}
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