ce66f7b081
Johannes Schock has submitted the ICLA and we can migrate the licenses to Apache. Gregory Nutt has submitted the SGA and we can migrate the licenses to Apache. Signed-off-by: Alin Jerpelea <alin.jerpelea@sony.com>
200 lines
5.7 KiB
C
200 lines
5.7 KiB
C
/****************************************************************************
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* arch/arm/src/imxrt/imxrt_lcd.h
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*
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* Licensed to the Apache Software Foundation (ASF) under one or more
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* contributor license agreements. See the NOTICE file distributed with
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* this work for additional information regarding copyright ownership. The
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* ASF licenses this file to you under the Apache License, Version 2.0 (the
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* "License"); you may not use this file except in compliance with the
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* License. You may obtain a copy of the License at
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
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* WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the
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* License for the specific language governing permissions and limitations
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* under the License.
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*
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****************************************************************************/
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/* The I.MX RT 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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#ifndef __ARCH_ARM_SRC_IMXRT_IMXRT_LCD_H
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#define __ARCH_ARM_SRC_IMXRT_IMXRT_LCD_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 "hardware/imxrt_lcd.h"
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/****************************************************************************
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* Pre-processor Definitions
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****************************************************************************/
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/* Configuration */
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#ifndef IMXRT_LCD_VIDEO_PLL_FREQ
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# define IMXRT_LCD_VIDEO_PLL_FREQ 92000000
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#endif
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/* Base address of the video RAM frame buffer */
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#ifndef CONFIG_IMXRT_LCD_VRAMBASE
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# define CONFIG_IMXRT_LCD_VRAMBASE (0x20240000)
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#endif
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/* LCD refresh rate */
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#ifndef CONFIG_IMXRT_LCD_REFRESH_FREQ
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# define CONFIG_IMXRT_LCD_REFRESH_FREQ (60) /* Hz */
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#endif
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#undef IMXRT_BPP
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#undef IMXRT_COLOR_FMT
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/* Bits per pixel / color format */
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#if defined (CONFIG_IMXRT_LCD_INPUT_BPP8_LUT)
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# define IMXRT_BPP 8
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# define IMXRT_COLOR_FMT FB_FMT_RGB8
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#elif defined (CONFIG_IMXRT_LCD_INPUT_BPP8)
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# define IMXRT_BPP 8
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# define IMXRT_COLOR_FMT FB_FMT_RGB8_332
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#elif defined (CONFIG_IMXRT_LCD_INPUT_BPP15)
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# define IMXRT_BPP 16
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# define IMXRT_COLOR_FMT FB_FMT_RGB16_555
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#elif defined (CONFIG_IMXRT_LCD_INPUT_BPP16)
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# define IMXRT_BPP 16
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# define IMXRT_COLOR_FMT FB_FMT_RGB16_565
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#elif defined (CONFIG_IMXRT_LCD_INPUT_BPP24)
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# define IMXRT_BPP 24
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# define IMXRT_COLOR_FMT FB_FMT_RGB24
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#elif defined (CONFIG_IMXRT_LCD_INPUT_BPP32)
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# define IMXRT_BPP 32
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# define IMXRT_COLOR_FMT FB_FMT_RGB32
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#else
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# define CONFIG_IMXRT_LCD_INPUT_BPP16
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# define IMXRT_BPP 16
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# define IMXRT_COLOR_FMT FB_FMT_RGB16_565
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#endif
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#if defined (CONFIG_IMXRT_LCD_OUTPUT_8)
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#elif defined (CONFIG_IMXRT_LCD_OUTPUT_16)
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#elif defined (CONFIG_IMXRT_LCD_OUTPUT_18)
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#elif defined (CONFIG_IMXRT_LCD_OUTPUT_24)
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#else
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# define CONFIG_IMXRT_LCD_OUTPUT_24
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#endif
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#ifndef CONFIG_IMXRT_LCD_BACKCOLOR
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# define CONFIG_IMXRT_LCD_BACKCOLOR 0x0
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#endif
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#ifndef CONFIG_IMXRT_LCD_HWIDTH
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# define CONFIG_IMXRT_LCD_HWIDTH 480
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#endif
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#ifndef CONFIG_IMXRT_LCD_HPULSE
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# define CONFIG_IMXRT_LCD_HPULSE 41
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#endif
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#ifndef CONFIG_IMXRT_LCD_HFRONTPORCH
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# define CONFIG_IMXRT_LCD_HFRONTPORCH 4
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#endif
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#ifndef CONFIG_IMXRT_LCD_HBACKPORCH
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# define CONFIG_IMXRT_LCD_HBACKPORCH 8
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#endif
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#ifndef CONFIG_IMXRT_LCD_VHEIGHT
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# define CONFIG_IMXRT_LCD_VHEIGHT 272
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#endif
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#ifndef CONFIG_IMXRT_LCD_VPULSE
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# define CONFIG_IMXRT_LCD_VPULSE 10
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#endif
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#ifndef CONFIG_IMXRT_LCD_VFRONTPORCH
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# define CONFIG_IMXRT_LCD_VFRONTPORCH 4
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#endif
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#ifndef CONFIG_IMXRT_LCD_VBACKPORCH
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# define CONFIG_IMXRT_LCD_VBACKPORCH 2
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#endif
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#ifdef CONFIG_IMXRT_VSYNC_ACTIVE_HIGH
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# define VSYNC_POL LCDIF_VDCTRL0_VSYNC_POL_MASK
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#else
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# define VSYNC_POL 0
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#endif
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#ifdef CONFIG_IMXRT_HSYNC_ACTIVE_HIGH
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# define HSYNC_POL LCDIF_VDCTRL0_HSYNC_POL_MASK
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#else
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# define HSYNC_POL 0
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#endif
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#ifdef CONFIG_IMXRT_DATAEN_ACTIVE_HIGH
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# define DATAEN_POL LCDIF_VDCTRL0_ENABLE_POL_MASK
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#else
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# define DATAEN_POL 0
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#endif
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#ifdef CONFIG_IMXRT_DATA_RISING_EDGE
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# define DATA_EDGE LCDIF_VDCTRL0_DOTCLK_POL_MASK
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#else
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# define DATA_EDGE 0
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#endif
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/****************************************************************************
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* Public Functions Prototypes
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****************************************************************************/
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/****************************************************************************
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* Name: IMXRT_lcdclear
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*
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* Description:
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* This is a non-standard LCD interface just for the I.MX RT. Clearing
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* the display in the normal way by writing a sequences of runs that
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* covers the entire display can be slow. Here the display is cleared by
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* simply setting all VRAM memory to the specified color.
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*
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****************************************************************************/
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void imxrt_lcdclear(nxgl_mxpixel_t color);
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/****************************************************************************
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* Name: imxrt_lcd_initialize
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*
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* Description:
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* Initialize the LCD. Setup backlight (initially off)
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*
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****************************************************************************/
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void imxrt_lcd_initialize(void);
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/****************************************************************************
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* Name: IMXRT_backlight
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*
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* Description:
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* If CONFIG_IMXRT_LCD_BACKLIGHT is defined, then the board-specific logic
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* must provide this interface to turn the backlight on and off.
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*
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****************************************************************************/
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#ifdef CONFIG_IMXRT_LCD_BACKLIGHT
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void imxrt_backlight(bool blon);
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#endif
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#endif /* __ARCH_ARM_SRC_IMXRT_IMXRT_LCD_H */
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