diff options
Diffstat (limited to 'nuttx/arch/arm/src/stm32/stm32_dma2d.h')
| -rw-r--r-- | nuttx/arch/arm/src/stm32/stm32_dma2d.h | 87 |
1 files changed, 15 insertions, 72 deletions
diff --git a/nuttx/arch/arm/src/stm32/stm32_dma2d.h b/nuttx/arch/arm/src/stm32/stm32_dma2d.h index adb86db03..4110c5491 100644 --- a/nuttx/arch/arm/src/stm32/stm32_dma2d.h +++ b/nuttx/arch/arm/src/stm32/stm32_dma2d.h @@ -1,7 +1,7 @@ /****************************************************************************** * arch/arm/src/stm32/stm32_dma2d.h * - * Copyright (C) 2014 Marco Krahl. All rights reserved. + * Copyright (C) 2014-2015 Marco Krahl. All rights reserved. * Author: Marco Krahl <ocram.lhark@gmail.com> * * Redistribution and use in source and binary forms, with or without @@ -43,7 +43,6 @@ #include <nuttx/config.h> #include <nuttx/video/fb.h> #include <arch/chip/ltdc.h> -#include "stm32_ltdc.h" #ifdef CONFIG_STM32_DMA2D /****************************************************************************** @@ -62,86 +61,30 @@ * Public Functions ******************************************************************************/ +# ifdef CONFIG_STM32_LTDC_INTERFACE /****************************************************************************** - * Name: stm32_dma2dblit + * Name: stm32_dma2dinitltdc * * Description: - * Copy selected area from a background layer to selected position of the - * foreground layer. Copies the result to the destination layer. + * Get a reference to the dma2d layer coupled with the ltdc layer. + * It not intends to use this function by user space applications. + * It resolves the following requirements: + * 1. Share the color lookup table + * 2. Share the planeinfo information + * 3. Share the videoinfo information * * Parameter: - * dest - Valid reference to the destination layer - * fore - Valid reference to the foreground layer - * forexpos - Valid selected x target position of the destination layer - * foreypos - Valid selected y target position of the destination layer - * back - Valid reference to the background layer - * backarea - Valid reference to the selected area of the background layer + * layer - a valid reference to the low level ltdc layer structure * * Return: - * OK - On success - * -EINVAL - On error + * On success - A valid dma2d layer reference + * On error - NULL and errno is set to + * -EINVAL if one of the parameter is invalid * ******************************************************************************/ -int stm32_dma2dblit(FAR struct stm32_ltdc_s *dest, - FAR struct stm32_ltdc_s *fore, - fb_coord_t forexpos, fb_coord_t foreypos, - FAR struct stm32_ltdc_s *back, - FAR const struct ltdc_area_s *backarea); - -/****************************************************************************** - * - * Name: stm32_dma2dblend - * - * Description: - * Blends the selected area from a background layer with selected position of - * the foreground layer. Blends the result with the destination layer. - * Note! This is the same as the blit operation but with blending depending on - * the blendmode settings of the layer. - * - * Parameter: - * dest - Valid reference to the destination layer - * fore - Valid reference to the foreground layer - * forexpos - Valid selected x target position of the destination layer - * foreypos - Valid selected y target position of the destination layer - * back - Valid reference to the background layer - * backarea - Valid reference to the selected area of the background layer - * - * Return: - * OK - On success - * -EINVAL - On error - * - ******************************************************************************/ - -int stm32_dma2dblend(FAR struct stm32_ltdc_s *dest, - FAR struct stm32_ltdc_s *fore, - fb_coord_t forexpos, fb_coord_t foreypos, - FAR struct stm32_ltdc_s *back, - FAR const struct ltdc_area_s *backarea); - -/****************************************************************************** - * Name: up_dma2dinitialize - * - * Description: - * Initialize the dma2d controller - * - * Return: - * OK - On success - * An error if initializing failed. - * - ******************************************************************************/ - -int up_dma2dinitialize(void); - -/****************************************************************************** - * Name: up_dma2duninitialize - * - * Description: - * Uninitialize the dma2d controller - * - ******************************************************************************/ - -void up_dma2duninitialize(void); +FAR struct dma2d_layer_s * stm32_dma2dinitltdc(FAR struct stm32_ltdc_s *layer); +# endif /* CONFIG_STM32_LTDC_INTERFACE */ #endif /* CONFIG_STM32_DMA2D */ #endif /* __ARCH_ARM_SRC_STM32_STM32_DMA2D_H */ |