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incubator-nuttx/drivers/lcd/ssd1680.h

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/****************************************************************************
* drivers/lcd/ssd1680.h
*
* Licensed to the Apache Software Foundation (ASF) under one or more
* contributor license agreements. See the NOTICE file distributed with
* this work for additional information regarding copyright ownership. The
* ASF licenses this file to you under the Apache License, Version 2.0 (the
* "License"); you may not use this file except in compliance with the
* License. You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
* WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the
* License for the specific language governing permissions and limitations
* under the License.
*
****************************************************************************/
#ifndef __DRIVERS_LCD_SSD1680_H
#define __DRIVERS_LCD_SSD1680_H
/****************************************************************************
* Included Files
****************************************************************************/
#include <nuttx/config.h>
#include <stdint.h>
#include <stdbool.h>
#include <nuttx/lcd/lcd.h>
#include <nuttx/lcd/ssd1680.h>
/****************************************************************************
* Pre-processor Definitions
****************************************************************************/
/* Configuration ************************************************************/
/* Limitations of the current configuration that I hope to fix someday */
#if !defined(CONFIG_LCD_SSD1680_2_13_V2) && !defined(CONFIG_LCD_SSD1680_2_90)
# error "Unknown and unsupported SSD16800 LCD"
#endif
/****************************************************************************
* Pre-processor Definitions
****************************************************************************/
#ifndef CONFIG_NX_BGCOLOR
# define CONFIG_NX_BGCOLOR SSD1680_Y1_BLACK
#endif
/* SSD1680 Commands *********************************************************/
#define SSD1680_DRIVER_CONTROL 0x01
#define SSD1680_GATE_VOLTAGE 0x03
#define SSD1680_SOURCE_VOLTAGE 0x04
#define SSD1680_PROGOTP_INITIAL 0x08
#define SSD1680_PROGREG_INITIAL 0x09
#define SSD1680_READREG_INITIAL 0x0A
#define SSD1680_BOOST_SOFTSTART 0x0C
#define SSD1680_GATE_SCAN_POSITION 0x0F
#define SSD1680_DEEP_SLEEP 0x10
#define SSD1680_DATA_MODE 0x11
#define SSD1680_SW_RESET 0x12
#define SSD1680_TEMP_CONTROL 0x18
#define SSD1680_TEMP_WRITE 0x1A
/* Execute sequence written in Control Register 2
* Wait till SSD1680 is not busy
*/
#define SSD1680_MASTER_ACTIVATE 0x20
#define SSD1680_DISP_CTRL1 0x21
/* Set control register 2.
* 1 byte of data with following bits:
* 0x80 - enable clock signal
* 0x40 - enable analog
* 0x20 - load temperature value (endless busy state. Don't use)
* 0x10 - Load LUT (endless busy state. Probably OTP wasn't prepared)
* 0x08 - Display Mode 2
* 0x04 - disable OSC
* 0x01 - disable clock signal
* 0x02 - disable analog
*/
#define SSD1680_DISP_CTRL2 0x22
#define SSD1680_WRITE_RAM1 0x24
#define SSD1680_WRITE_RAM2 0x26
#define SSD1680_WRITE_VCOM 0x2C
#define SSD1680_READ_OTP 0x2D
#define SSD1680_READ_STATUS 0x2F
#define SSD1680_WRITE_LUT 0x32
#define SSD1680_DUMMY_LINE 0x3A
#define SSD1680_GATE_TIME 0x3B
#define SSD1680_WRITE_BORDER 0x3C
#define SSD1680_SET_RAMXPOS 0x44
#define SSD1680_SET_RAMYPOS 0x45
#define SSD1680_SET_RAMXCOUNT 0x4E
#define SSD1680_SET_RAMYCOUNT 0x4F
#define SSD1680_SET_ANALOG_BLOCK_CTRL 0x74
#define SSD1680_SET_DIGITAL_BLOCK_CTRL 0x7E
#define SSD1680_NOP 0x7F
/* Register Values **********************************************************/
# define SSD1680_VALUE_G_VOLTAGE 0x15
# define SSD1680_VALUE_S_VOLTAGE_1 0x41
# define SSD1680_VALUE_S_VOLTAGE_2 0xA8
# define SSD1680_VALUE_S_VOLTAGE_3 0x32
#if defined(CONFIG_LCD_SSD1680_2_13_V2) || defined(CONFIG_LCD_SSD1680_2_13_RED)
# define SSD1680_VALUE_VCOM 0x55
# define SSD1680_VALUE_DUMMY_LINE 0x30
# define SSD1680_VALUE_GATE_TIME 0x0A
#elif defined(CONFIG_LCD_SSD1680_2_90) || defined(CONFIG_LCD_SSD1680_2_90_RED)
# define SSD1680_VALUE_VCOM 0xA8
# define SSD1680_VALUE_DUMMY_LINE 0x1A
# define SSD1680_VALUE_GATE_TIME 0x08
#else
# error "Not supported display"
#endif
/* Color Properties *********************************************************/
#if defined(CONFIG_LCD_SSD1680_2_13_V2) || defined(CONFIG_LCD_SSD1680_2_90)
/* 1 bit per pixel */
# define SSD1680_DEV_COLORFMT FB_FMT_Y1
# define SSD1680_DEV_BPP 1
# define SSD1680_NO_OF_PLANES 1
#elif defined (CONFIG_LCD_SSD1680_2_13_RED) || (CONFIG_LCD_SSD1680_2_90_RED)
/* 2 bits per pixel, it is not agrayscale, but indexed colours */
# define SSD1680_DEV_COLORFMT FB_FMT_Y2
# define SSD1680_DEV_BPP 2
# define SSD1680_NO_OF_PLANES 1
#else
# error "Can't prepare macros for not supported display"
#endif
#if SSD1680_DEV_BPP == 1
# define SSD1680_PDF 3
# define SSD1680_PDV 8
#elif SSD1680_DEV_BPP == 2
# define SSD1680_PDF 2
# define SSD1680_PDV 4
#else
# error "SSD1680: Bits per pixel not defined"
#endif
/* Display Resolution
*
* The SSD1680 display controller can handle a resolution of 176/296.
* The portrait mode is default.
* Display size vs its resolution:
* 2.13 : 122 / 250
* 2.90 : 128 / 296
*/
#if defined(CONFIG_LCD_SSD1680_2_13_V2) || defined(CONFIG_LCD_SSD1680_2_13_RED)
# define SSD1680_DEV_GATE_LAYOUT 0x00
# define SSD1680_DEV_NATIVE_XRES 122
# define SSD1680_DEV_NATIVE_YRES 250
#elif defined(CONFIG_LCD_SSD1680_2_90) || defined(CONFIG_LCD_SSD1680_2_90_RED)
# define SSD1680_DEV_GATE_LAYOUT 0x00
# define SSD1680_DEV_NATIVE_XRES 128
# define SSD1680_DEV_NATIVE_YRES 296
#else
# error "Unknown resolution"
#endif
/* SSD1680 memory write algorithm */
#if defined(CONFIG_LCD_PORTRAIT)
# define SSD1680_VAL_DATA_MODE 0x03
#elif defined(CONFIG_LCD_RPORTRAIT)
# define SSD1680_VAL_DATA_MODE 0x02
#elif defined(CONFIG_LCD_LANDSCAPE)
# define SSD1680_VAL_DATA_MODE 0x07
#elif defined(CONFIG_LCD_RLANDSCAPE)
# define SSD1680_VAL_DATA_MODE 0x07
#else
# define SSD1680_VAL_DATA_MODE 0x03
#endif
/* Rotating screen if the orientation is changed */
#if defined(CONFIG_LCD_PORTRAIT) || defined(CONFIG_LCD_RPORTRAIT)
/* Calculate number of bytes per row.
* In case of tri-color display there are two 1-bit data arrays
* In order to simplify communication with controller, we need to provide
* a number that is multiplication of 8 (not 4 even if we have 2 bpp)
*/
# define SSD1680_DEV_ROWSIZE \
((SSD1680_DEV_NATIVE_XRES + SSD1680_PDV - 1) >> SSD1680_PDF)
# define SSD1680_DEV_FB_XRES SSD1680_DEV_NATIVE_XRES
# define SSD1680_DEV_FB_YRES SSD1680_DEV_NATIVE_YRES
#else /* Landstape */
# define SSD1680_DEV_ROWSIZE \
((SSD1680_DEV_NATIVE_YRES + SSD1680_PDV - 1) >> SSD1680_PDF)
# define SSD1680_DEV_FB_XRES SSD1680_DEV_NATIVE_YRES
# define SSD1680_DEV_FB_YRES SSD1680_DEV_NATIVE_XRES
#endif /* Landstape */
#define SSD1680_DEV_X_ROUND_UP \
(((SSD1680_DEV_NATIVE_XRES + SSD1680_PDV - 1) >> SSD1680_PDF) << SSD1680_PDF)
#define SSD1680_DEV_Y_ROUND_UP \
(((SSD1680_DEV_NATIVE_YRES + SSD1680_PDV - 1) >> SSD1680_PDF) << SSD1680_PDF)
#define SSD1680_DEV_FBSIZE ((SSD1680_DEV_ROWSIZE) * (SSD1680_DEV_FB_YRES))
/****************************************************************************
* Public Type Definition
****************************************************************************/
/****************************************************************************
* Public Function Prototypes
****************************************************************************/
#endif /* __DRIVERS_LCD_SSD1680_H */
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