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/****************************************************************************
* include/nuttx/lcd/nokia6100.h
* Application interface to the Nokia 6100 LCD display
*
* Copyright (C) 2010 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 __INCLUDE_NUTTX_NOKIA6100_H
#define __INCLUDE_NUTTX_NOKIA6100_H
/****************************************************************************
* Included Files
****************************************************************************/
#include <stdbool.h>
/****************************************************************************
* Pre-processor Definitions
****************************************************************************/
/* Nokia 6100 Configuration Settings:
*
* CONFIG_NOKIA6100_SPIMODE - Controls the SPI mode
* CONFIG_NOKIA6100_FREQUENCY - Define to use a different bus frequency
* CONFIG_NOKIA6100_NINTERFACES - Specifies the number of physical Nokia
* 6100 devices that will be supported.
* CONFIG_NOKIA6100_BPP - Device supports 8, 12, and 16 bits per pixel.
* CONFIG_NOKIA6100_S1D15G10 - Selects the Epson S1D15G10 display controller
* CONFIG_NOKIA6100_PCF8833 - Selects the Phillips PCF8833 display controller
* CONFIG_NOKIA6100_BLINIT - Initial backlight setting
*
* The following may need to be tuned for your hardware:
* CONFIG_NOKIA6100_INVERT - Display inversion, 0 or 1, Default: 1
* CONFIG_NOKIA6100_MY - Display row direction, 0 or 1, Default: 0
* CONFIG_NOKIA6100_MX - Display column direction, 0 or 1, Default: 1
* CONFIG_NOKIA6100_V - Display address direction, 0 or 1, Default: 0
* CONFIG_NOKIA6100_ML - Display scan direction, 0 or 1, Default: 0
* CONFIG_NOKIA6100_RGBORD - Display RGB order, 0 or 1, Default: 0
*
* Required LCD driver settings:
* CONFIG_LCD_NOKIA6100 - Enable Nokia 6100 support
* CONFIG_LCD_MAXCONTRAST - must be 63 with the Epson controller and 127 with
* the Phillips controller.
* CONFIG_LCD_MAXPOWER - Maximum value of backlight setting. The backlight
* control is managed outside of the 6100 driver so this value has no
* meaning to the driver. Board-specific logic may place restrictions on
* this value.
*/
/****************************************************************************
* Public Types
****************************************************************************/
/****************************************************************************
* Public Data
****************************************************************************/
#ifdef __cplusplus
#define EXTERN extern "C"
extern "C" {
#else
#define EXTERN extern
#endif
/****************************************************************************
* Public Function Prototypes
****************************************************************************/
/**************************************************************************************
* Name: nokia_lcdinitialize
*
* Description:
* Initialize the NOKIA6100 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 == sleep mode).
*
* Input Parameters:
*
* spi - A reference to the SPI driver instance.
* devno - A value in the range of 0 throuh CONFIG_NOKIA6100_NINTERFACES-1. This
* allows support for multiple LCD devices.
*
* Returned Value:
*
* On success, this function returns a reference to the LCD object for the specified
* LCD. NULL is returned on any failure.
*
**************************************************************************************/
struct lcd_dev_s; /* see nuttx/lcd.h */
struct spi_dev_s; /* see nuttx/spi/spi.h */
EXTERN FAR struct lcd_dev_s *nokia_lcdinitialize(FAR struct spi_dev_s *spi, unsigned int devno);
/**************************************************************************************
* Name: nokia_backlight
*
* Description:
* The Nokia 6100 backlight is controlled by logic outside of the LCD assembly. This
* function must be provided by board specific logic to manage the backlight. This
* function will receive a power value (0: full off - CONFIG_LCD_MAXPOWER: full on)
* and should set the backlight accordingly.
*
**************************************************************************************/
EXTERN int nokia_backlight(unsigned int power);
#undef EXTERN
#ifdef __cplusplus
}
#endif
#endif /* __INCLUDE_NUTTX_NOKIA6100_H */
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