|
|
/************************************************************************************
* arch/arm/src/sama5/sam_lcd.h
*
* Copyright (C) 2013 Gregory Nutt. All rights reserved.
* Author: Gregory Nutt <gnutt@nuttx.org>
*
* 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.
*
************************************************************************************/
#ifndef __ARCH_ARM_SRC_SAMA5_SAM_LCDC_H
#define __ARCH_ARM_SRC_SAMA5_SAM_LCDC_H
/************************************************************************************
* Included Files
************************************************************************************/
#include <nuttx/config.h>
#include <stdbool.h>
#include <nuttx/nx/nxglib.h>
#include "chip/sam_lcdc.h"
#ifdef CONFIG_SAMA5_LCDC
/************************************************************************************
* Pre-processor Definitions
************************************************************************************/
/* These definitions provide the LCDC framebuffer memory description needed to
* remap that region to be non-cacheable and non-bufferable
*/
#if (CONFIG_SAMA5_LCDC_FB_VBASE & 0x000fffff) != 0
# error CONFIG_SAMA5_LCDC_FB_VBASE not aligned to 1MB boundary
#endif
#if (CONFIG_SAMA5_LCDC_FB_PBASE & 0x000fffff) != 0
# error CONFIG_SAMA5_LCDC_FB_PBASE not aligned to 1MB boundary
#endif
#define SAMA5_LCDC_FBNSECTIONS \
((CONFIG_SAMA5_LCDC_FB_SIZE + 0x000fffff) >> 20)
/************************************************************************************
* Public Types
************************************************************************************/
/************************************************************************************
* Public Data
************************************************************************************/
/************************************************************************************
* Public Functions
************************************************************************************/
/* The SAMA5 LCD driver uses the common framebuffer interfaces declared in
* include/nuttx/video/fb.h.
*/
/************************************************************************************
* Name: sam_lcdclear
*
* Description:
* This is a non-standard LCD interface just for the SAMA5. Clearing the display
* in the normal way by writing a sequences of runs that covers the entire display
* can be slow. Here the dispaly is cleared by simply setting all VRAM memory to
* the specified color.
*
************************************************************************************/
void sam_lcdclear(nxgl_mxpixel_t color);
/************************************************************************************
* Name: sam_backlight
*
* Description:
* If CONFIG_SAM_LCD_BACKLIGHT is defined, then the board-specific logic must
* provide this interface to turn the backlight on and off.
*
************************************************************************************/
#ifdef CONFIG_SAM_LCD_BACKLIGHT
void sam_backlight(bool blon);
#endif
#endif /* CONFIG_SAMA5_LCDC */
#endif /* __ARCH_ARM_SRC_SAMA5_SAM_LCDC_H */
|
