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/******************************************************************************
* arch/arm/src/stm32/stm32_dma2d.c
*
* Copyright (C) 2014 Marco Krahl. All rights reserved.
* Author: Marco Krahl <ocram.lhark@gmail.com>
*
* References:
* STM32F429 Technical Reference Manual
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
*
* 1. Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* 2. Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in
* the documentation and/or other materials provided with the
* distribution.
* 3. Neither the name NuttX nor the names of its contributors may be
* used to endorse or promote products derived from this software
* without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
* "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
* LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS
* FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE
* COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT,
* INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING,
* BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS
* OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED
* AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN
* ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
* POSSIBILITY OF SUCH DAMAGE.
*
******************************************************************************/
/******************************************************************************
* Included Files
******************************************************************************/
#include <nuttx/config.h>
#include <stdint.h>
#include <string.h>
#include <errno.h>
#include <debug.h>
#include <nuttx/video/fb.h>
#include <nuttx/kmalloc.h>
#include <arch/chip/ltdc.h>
#include <arch/board/board.h>
#include "up_arch.h"
#include "up_internal.h"
#include "stm32.h"
#include "chip/stm32_ltdc.h"
#include "stm32_ltdc.h"
/******************************************************************************
* Pre-processor Definitions
******************************************************************************/
/******************************************************************************
* Private Types
******************************************************************************/
/******************************************************************************
* Private Function Prototypes
******************************************************************************/
/******************************************************************************
* Private Data
******************************************************************************/
/******************************************************************************
* Public Data
******************************************************************************/
/******************************************************************************
* Private Functions
******************************************************************************/
/******************************************************************************
* Public Functions
******************************************************************************/
/******************************************************************************
* Name: stm32_dma2dblit
*
* Description:
* Copy selected area from a background layer to selected position of the
* foreground layer. Copies the result to the destination 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_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)
{
gdbg("Not implemented");
return -ENOSYS;
}
/****************************************************************************
*
* 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)
{
gdbg("Not implemented");
return -ENOSYS;
}
/******************************************************************************
* Name: up_dma2dinitialize
*
* Description:
* Initialize the dma2d controller
*
* Return:
* OK - On success
* An error if initializing failed.
*
******************************************************************************/
int up_dma2dinitialize(void)
{
return OK;
}
/******************************************************************************
* Name: up_dma2duninitialize
*
* Description:
* Uninitialize the dma2d controller
*
******************************************************************************/
void up_dma2duninitialize(void)
{
}
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