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/**************************************************************************************
* include/nuttx/lcd/ssd1289.h
* Definitions for the Solomon Systech SSD1289 LCD controller
*
* Copyright (C) 2012 Gregory Nutt. All rights reserved.
* Author: Gregory Nutt <gnutt@nuttx.org>
*
* References: SSD1289, Rev 1.3, Apr 2007, Solomon Systech Limited
*
* 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 __INCLUDE_NUTTX_LCD_SSD1289_H
#define __INCLUDE_NUTTX_LCD_SSD1289_H
/**************************************************************************************
* Included Files
**************************************************************************************/
#include <nuttx/config.h>
#ifdef CONFIG_LCD_SSD1289
/**************************************************************************************
* Pre-processor Definitions
**************************************************************************************/
/* Configuration **********************************************************************/
/* CONFIG_LCD_SSD1289 - Enables support for the SSD1289-based LCD.
* CONFIG_LCD_NOGETRUN
* NX components need to know if it can read from the LCD or not. If reading from the
* LCD is supported then some graphic operations can be improved. Default: Supported
* CONFIG_LCD_LANDSCAPE - Define for 320x240 display "landscape" support. Default is
* this 320x240 "landscape" orientation.
* CONFIG_LCD_RLANDSCAPE - Define for 320x240 display "reverse landscape" support.
* Default is this 320x240 "landscape" orientation
* CONFIG_LCD_PORTRAIT - Define for 240x320 display "portrait" orientation support.
* Default is this 320x240 "landscape" orientation
* CONFIG_LCD_RPORTRAIT - Define for 240x320 display "reverse portrait" orientation
* support. Default is this 320x240 "landscape" orientation
*/
/**************************************************************************************
* Public Types
**************************************************************************************/
/* This structure defines the interface to the LCD provided by the platform. The
* nature of this interface is hidden from the SSD1289 driver.
*/
struct ssd1289_lcd_s
{
/* Interface to write to a SSD1289 register.
*
* - select Select the device (as necessary). The meaning of selecting (and
* and deselecting) is not defined. select() will be called before
* starting any sequence of operations. deselect() when that sequence
* of operations is complete.
* - deselect Deselect the device (as necessary)
* - index Set register index
* - read Read data from the LCD (auto-incrementing)
* - write Write data to the LCD (auto-incrementing)
* - backlight Set the backlight power level (0=OFF; CONFIG_LCD_MAXPOWER=MAX)
*/
void (*select)(FAR struct ssd1289_lcd_s *dev);
void (*deselect)(FAR struct ssd1289_lcd_s *dev);
void (*index)(FAR struct ssd1289_lcd_s *dev, uint8_t index);
#ifndef CONFIG_LCD_NOGETRUN
uint16_t (*read)(FAR struct ssd1289_lcd_s *dev);
#endif
void (*write)(FAR struct ssd1289_lcd_s *dev, uint16_t value);
void (*backlight)(FAR struct ssd1289_lcd_s *dev, int power);
/* platform-specific data may follow */
};
/**************************************************************************************
* Public Data
**************************************************************************************/
#ifdef __cplusplus
#define EXTERN extern "C"
extern "C" {
#else
#define EXTERN extern
#endif
/**************************************************************************************
* Public Function Prototypes
**************************************************************************************/
/**************************************************************************************
* Name: ssd1289_lcdinitialize
*
* Description:
* Initialize the LCD video hardware. The initial state of the LCD is fully
* initialized, display memory cleared, and the LCD ready to use, but with the power
* setting at 0 (full off).
*
**************************************************************************************/
EXTERN FAR struct lcd_dev_s *ssd1289_lcdinitialize(FAR struct ssd1289_lcd_s *lcd);
/**************************************************************************************
* Name: ssd1289_clear
*
* Description:
* This is a non-standard LCD interface. Because of the various rotations, clearing
* the display in the normal way by writing a sequences of runs that covers the
* entire display can be very slow. Here the display is cleared by simply setting
* all GRAM memory to the specified color.
*
**************************************************************************************/
EXTERN void ssd1289_clear(FAR struct lcd_dev_s *dev, uint16_t color);
#undef EXTERN
#ifdef __cplusplus
}
#endif
#endif /* CONFIG_LCD_SSD1289 */
#endif /* __INCLUDE_NUTTX_LCD_SSD1289_H */
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