114 lines
4.5 KiB
C
114 lines
4.5 KiB
C
/************************************************************************************
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* arch/arm/src/sama5/sam_lcd.h
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*
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* Copyright (C) 2013 Gregory Nutt. All rights reserved.
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* Author: Gregory Nutt <gnutt@nuttx.org>
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions
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* are met:
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*
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* 1. Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer.
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* 2. Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in
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* the documentation and/or other materials provided with the
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* distribution.
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* 3. Neither the name NuttX nor the names of its contributors may be
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* used to endorse or promote products derived from this software
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* without specific prior written permission.
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*
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* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
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* "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
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* LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS
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* FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE
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* COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT,
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* INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING,
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* BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS
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* OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED
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* AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
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* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN
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* ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
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* POSSIBILITY OF SUCH DAMAGE.
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*
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************************************************************************************/
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#ifndef __ARCH_ARM_SRC_SAMA5_SAM_LCDC_H
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#define __ARCH_ARM_SRC_SAMA5_SAM_LCDC_H
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/************************************************************************************
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* Included Files
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************************************************************************************/
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#include <nuttx/config.h>
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#include <stdbool.h>
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#include <nuttx/nx/nxglib.h>
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#include "chip/sam_lcdc.h"
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#ifdef CONFIG_SAMA5_LCDC
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/************************************************************************************
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* Pre-processor Definitions
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************************************************************************************/
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/* These definitions provide the LCDC framebuffer memory description needed to
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* remap that region to be non-cacheable and non-bufferable
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*/
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#if (CONFIG_SAMA5_LCDC_FB_VBASE & 0x000fffff) != 0
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# error CONFIG_SAMA5_LCDC_FB_VBASE not aligned to 1MB boundary
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#endif
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#if (CONFIG_SAMA5_LCDC_FB_PBASE & 0x000fffff) != 0
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# error CONFIG_SAMA5_LCDC_FB_PBASE not aligned to 1MB boundary
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#endif
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#define SAMA5_LCDC_FBNSECTIONS \
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((CONFIG_SAMA5_LCDC_FB_SIZE + 0x000fffff) >> 20)
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/************************************************************************************
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* Public Types
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************************************************************************************/
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/************************************************************************************
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* Public Data
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************************************************************************************/
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/************************************************************************************
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* Public Functions
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************************************************************************************/
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/* The SAMA5 LCD driver uses the common framebuffer interfaces declared in
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* include/nuttx/video/fb.h.
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*/
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/************************************************************************************
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* Name: sam_lcdclear
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*
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* Description:
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* This is a non-standard LCD interface just for the SAMA5. Clearing the display
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* in the normal way by writing a sequences of runs that covers the entire display
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* can be slow. Here the dispaly is cleared by simply setting all VRAM memory to
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* the specified color.
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*
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************************************************************************************/
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void sam_lcdclear(nxgl_mxpixel_t color);
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/************************************************************************************
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* Name: sam_backlight
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*
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* Description:
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* If CONFIG_SAM_LCD_BACKLIGHT is defined, then the board-specific logic must
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* provide this interface to turn the backlight on and off.
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*
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************************************************************************************/
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#ifdef CONFIG_SAM_LCD_BACKLIGHT
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void sam_backlight(bool blon);
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#endif
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#endif /* CONFIG_SAMA5_LCDC */
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#endif /* __ARCH_ARM_SRC_SAMA5_SAM_LCDC_H */
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