Add LCD interface
git-svn-id: svn://svn.code.sf.net/p/nuttx/code/trunk@2594 42af7a65-404d-4744-a932-0658087f49c3
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include/nuttx/lcd.h
Executable file
144
include/nuttx/lcd.h
Executable file
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/****************************************************************************
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* include/nuttx/lcd.h
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*
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* Copyright (C) 2010 Gregory Nutt. All rights reserved.
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* Author: Gregory Nutt <spudmonkey@racsa.co.cr>
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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 __INCLUDE_NUTTX_LCD_H
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#define __INCLUDE_NUTTX_LCD_H
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/****************************************************************************
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* Included Files
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****************************************************************************/
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#include <stdint.h>
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#include <nuttx/fb.h>
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/****************************************************************************
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* Pre-processor Definitions
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****************************************************************************/
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/****************************************************************************
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* Type Definitions
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****************************************************************************/
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/* This structure describes one color plane. Some YUV formats may support
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* up to 4 planes
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*/
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struct lcd_planeinfo_s
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{
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uint8_t bpp; /* Bits per pixel */
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};
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/* This structure defines an LCD interface */
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struct lcd_dev_s
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{
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/* LCD Configuration ******************************************************/
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/* Get information about the video controller configuration and the
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* configuration of each color plane.
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*/
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int (*getvideoinfo)(FAR struct lcd_dev_s *dev,
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FAR struct fb_videoinfo_s *vinfo);
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int (*getplaneinfo)(FAR struct lcd_dev_s *dev, unsigned int planeno,
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FAR struct lcd_planeinfo_s *pinfo);
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/* LCD RGB Mapping ********************************************************/
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/* The following are provided only if the video hardware supports RGB color
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* mapping
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*/
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#ifdef CONFIG_FB_CMAP
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int (*getcmap)(FAR struct lcd_dev_s *dev, FAR struct fb_cmap_s *cmap);
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int (*putcmap)(FAR struct lcd_dev_s *dev,
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FAR const struct fb_cmap_s *cmap);
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#endif
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/* Cursor Controls ********************************************************/
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/* The following are provided only if the video hardware supports a
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* hardware cursor
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*/
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#ifdef CONFIG_FB_HWCURSOR
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int (*getcursor)(FAR struct lcd_dev_s *dev,
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FAR struct fb_cursorattrib_s *attrib);
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int (*setcursor)(FAR struct lcd_dev_s *dev,
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FAR struct fb_setcursor_s *settings);
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#endif
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/* LCD Specific Controls **************************************************/
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/* Get the LCD panel power status (0: full off - CONFIG_LCD_MAXPOWER:
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* full on
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*/
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int (*getpower)(struct lcd_dev_s *dev);
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/* Enable/disable LCD panel power (0: full off - CONFIG_LCD_MAXPOWERL:
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* full on)
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*/
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int (*setpower)(struct lcd_dev_s *dev, int power);
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/* Get the current contrast setting (0-CONFIG_LCD_MAXCONTRAST) */
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int (*getcontrast)(struct lcd_dev_s *dev);
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/* Set LCD panel contrast (0-CONFIG_LCD_MAXCONTRAST) */
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int (*setcontrast)(struct lcd_dev_s *dev, unsigned int contrast);
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/* LCD Data Transfer ******************************************************/
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int (*run)(struct lcd_dev_s *dev, unsigned int planeno,
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fb_coord_t row, fb_coord_t col, FAR const uint8_t *buffer,
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size_t npixels);
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};
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/****************************************************************************
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* Public Function Prototypes
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****************************************************************************/
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#ifdef __cplusplus
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#define EXTERN extern "C"
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extern "C" {
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#else
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#define EXTERN extern
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#endif
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#undef EXTERN
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#ifdef __cplusplus
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}
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#endif
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#endif /* __INCLUDE_NUTTX_LCD_H */
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