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feat(lvgl_port): Used PPA for rotation on ESP32-P4 and added SW rotation
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,199 @@ | ||
| /* | ||
| * SPDX-FileCopyrightText: 2024 Espressif Systems (Shanghai) CO LTD | ||
| * | ||
| * SPDX-License-Identifier: Apache-2.0 | ||
| */ | ||
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| #include <string.h> | ||
| #include "esp_err.h" | ||
| #include "esp_check.h" | ||
| #include "esp_heap_caps.h" | ||
| #include "soc/soc_caps.h" | ||
| #include "lcd_ppa.h" | ||
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| #define PPA_LCD_ENABLE_CB 0 | ||
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| #if (SOC_PPA_SUPPORTED && ESP_IDF_VERSION >= ESP_IDF_VERSION_VAL(5, 3, 0)) | ||
| #define ALIGN_UP(num, align) (((num) + ((align) - 1)) & ~((align) - 1)) | ||
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| struct lcd_ppa_t { | ||
| uint8_t *buffer; | ||
| uint32_t buffer_size; | ||
| ppa_client_handle_t srm_handle; | ||
| uint32_t color_type_id; | ||
| }; | ||
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| static const char *TAG = "PPA"; | ||
| /******************************************************************************* | ||
| * Function definitions | ||
| *******************************************************************************/ | ||
| #if PPA_LCD_ENABLE_CB | ||
| static bool _lcd_ppa_callback(ppa_client_handle_t ppa_client, ppa_event_data_t *event_data, void *user_data); | ||
| #endif | ||
| /******************************************************************************* | ||
| * Public API functions | ||
| *******************************************************************************/ | ||
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| lcd_ppa_handle_t esp_lcd_ppa_create(const lcd_ppa_cfg_t *cfg) | ||
| { | ||
| esp_err_t ret = ESP_OK; | ||
| assert(cfg != NULL); | ||
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| lcd_ppa_t *ppa_ctx = malloc(sizeof(lcd_ppa_t)); | ||
| ESP_GOTO_ON_FALSE(ppa_ctx, ESP_ERR_NO_MEM, err, TAG, "Not enough memory for PPA context allocation!"); | ||
| memset(ppa_ctx, 0, sizeof(lcd_ppa_t)); | ||
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| uint32_t buffer_caps = 0; | ||
| if (cfg->flags.buff_dma) { | ||
| buffer_caps |= MALLOC_CAP_DMA; | ||
| } | ||
| if (cfg->flags.buff_spiram) { | ||
| buffer_caps |= MALLOC_CAP_SPIRAM; | ||
| } | ||
| if (buffer_caps == 0) { | ||
| buffer_caps |= MALLOC_CAP_DEFAULT; | ||
| } | ||
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| ppa_ctx->buffer_size = ALIGN_UP(cfg->buffer_size, 64); | ||
| ppa_ctx->buffer = heap_caps_aligned_calloc(64, ppa_ctx->buffer_size, sizeof(uint8_t), buffer_caps); | ||
| assert(ppa_ctx->buffer != NULL); | ||
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| ppa_client_config_t ppa_client_config = { | ||
| .oper_type = PPA_OPERATION_SRM, | ||
| }; | ||
| ESP_GOTO_ON_ERROR(ppa_register_client(&ppa_client_config, &ppa_ctx->srm_handle), err, TAG, "Error when registering PPA client!"); | ||
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| #if PPA_LCD_ENABLE_CB | ||
| ppa_event_callbacks_t ppa_cbs = { | ||
| .on_trans_done = _lcd_ppa_callback, | ||
| }; | ||
| ESP_GOTO_ON_ERROR(ppa_client_register_event_callbacks(ppa_ctx->srm_handle, &ppa_cbs), err, TAG, "Error when registering PPA callbacks!"); | ||
| #endif | ||
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| ppa_ctx->color_type_id = COLOR_TYPE_ID(cfg->color_space, cfg->pixel_format); | ||
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| err: | ||
| if (ret != ESP_OK) { | ||
| if (ppa_ctx->buffer) { | ||
| free(ppa_ctx->buffer); | ||
| } | ||
| if (ppa_ctx) { | ||
| free(ppa_ctx); | ||
| } | ||
| } | ||
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| return ppa_ctx; | ||
| } | ||
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| void esp_lcd_ppa_delete(lcd_ppa_handle_t handle) | ||
| { | ||
| lcd_ppa_t *ppa_ctx = (lcd_ppa_t *)handle; | ||
| assert(ppa_ctx != NULL); | ||
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| if (ppa_ctx->buffer) { | ||
| free(ppa_ctx->buffer); | ||
| } | ||
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| ppa_unregister_client(ppa_ctx->srm_handle); | ||
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| free(ppa_ctx); | ||
| } | ||
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| uint8_t *esp_lcd_ppa_get_output_buffer(lcd_ppa_handle_t handle) | ||
| { | ||
| lcd_ppa_t *ppa_ctx = (lcd_ppa_t *)handle; | ||
| assert(ppa_ctx != NULL); | ||
| return ppa_ctx->buffer; | ||
| } | ||
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| esp_err_t esp_lcd_ppa_rotate(lcd_ppa_handle_t handle, lcd_ppa_disp_rotate_t *rotate_cfg) | ||
| { | ||
| lcd_ppa_t *ppa_ctx = (lcd_ppa_t *)handle; | ||
| assert(ppa_ctx != NULL); | ||
| assert(rotate_cfg != NULL); | ||
| const int w = rotate_cfg->area.x2 - rotate_cfg->area.x1 + 1; | ||
| const int h = rotate_cfg->area.y2 - rotate_cfg->area.y1 + 1; | ||
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| /* Set dimension by screen size and rotation */ | ||
| int out_w = w; | ||
| int out_h = h; | ||
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| int x1 = rotate_cfg->area.x1; | ||
| int x2 = rotate_cfg->area.x2; | ||
| int y1 = rotate_cfg->area.y1; | ||
| int y2 = rotate_cfg->area.y2; | ||
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| /* Rotate coordinates */ | ||
| switch (rotate_cfg->rotation) { | ||
| case PPA_SRM_ROTATION_ANGLE_0: | ||
| break; | ||
| case PPA_SRM_ROTATION_ANGLE_90: | ||
| out_w = h; | ||
| out_h = w; | ||
| x1 = rotate_cfg->area.y1; | ||
| x2 = rotate_cfg->area.y2; | ||
| y1 = rotate_cfg->disp_size.hres - rotate_cfg->area.x2; | ||
| y2 = rotate_cfg->disp_size.hres - rotate_cfg->area.x1; | ||
| break; | ||
| case PPA_SRM_ROTATION_ANGLE_180: | ||
| x1 = rotate_cfg->disp_size.hres - rotate_cfg->area.x2 - 1; | ||
| x2 = rotate_cfg->disp_size.hres - rotate_cfg->area.x1 - 1; | ||
| y1 = rotate_cfg->disp_size.vres - rotate_cfg->area.y2; | ||
| y2 = rotate_cfg->disp_size.vres - rotate_cfg->area.y1; | ||
| break; | ||
| case PPA_SRM_ROTATION_ANGLE_270: | ||
| out_w = h; | ||
| out_h = w; | ||
| x1 = rotate_cfg->disp_size.vres - rotate_cfg->area.y2 - 1; | ||
| x2 = rotate_cfg->disp_size.vres - rotate_cfg->area.y1 - 1; | ||
| y1 = rotate_cfg->area.x1; | ||
| y2 = rotate_cfg->area.x2; | ||
| break; | ||
| } | ||
| /* Return new coordinates */ | ||
| rotate_cfg->area.x1 = x1; | ||
| rotate_cfg->area.x2 = x2; | ||
| rotate_cfg->area.y1 = y1; | ||
| rotate_cfg->area.y2 = y2; | ||
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| /* Prepare Operation */ | ||
| ppa_srm_oper_config_t srm_oper_config = { | ||
| .in.buffer = rotate_cfg->in_buff, | ||
| .in.pic_w = w, | ||
| .in.pic_h = h, | ||
| .in.block_w = w, | ||
| .in.block_h = h, | ||
| .in.block_offset_x = 0, | ||
| .in.block_offset_y = 0, | ||
| .in.srm_cm = ppa_ctx->color_type_id, | ||
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| .out.buffer = ppa_ctx->buffer, | ||
| .out.buffer_size = ppa_ctx->buffer_size, | ||
| .out.pic_w = out_w, | ||
| .out.pic_h = out_h, | ||
| .out.block_offset_x = 0, | ||
| .out.block_offset_y = 0, | ||
| .out.srm_cm = ppa_ctx->color_type_id, | ||
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| .rotation_angle = rotate_cfg->rotation, | ||
| .scale_x = 1.0, | ||
| .scale_y = 1.0, | ||
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| .byte_swap = rotate_cfg->swap_bytes, | ||
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| .mode = rotate_cfg->ppa_mode, | ||
| .user_data = rotate_cfg->user_data, | ||
| }; | ||
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| return ppa_do_scale_rotate_mirror(ppa_ctx->srm_handle, &srm_oper_config); | ||
| } | ||
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| #if PPA_LCD_ENABLE_CB | ||
| static bool _lcd_ppa_callback(ppa_client_handle_t ppa_client, ppa_event_data_t *event_data, void *user_data) | ||
| { | ||
| return false; | ||
| } | ||
| #endif | ||
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| #endif |
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