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- /*
- * Copyright (c) 2006-2023, RT-Thread Development Team
- *
- * SPDX-License-Identifier: Apache-2.0
- *
- * Change Logs:
- * Date Author Notes
- * 2017-10-30 Tanek the first version
- * 2023-09-25 Frogrey export MIPI DSI config parameters.
- */
- #include <rtthread.h>
- #ifdef BSP_USING_LCD_MIPI
- #include "display_support.h"
- #include "drv_lcd_mipi.h"
- #include "fsl_common.h"
- #include "fsl_iomuxc.h"
- #include "fsl_elcdif.h"
- #include "drv_gpio.h"
- #define LOG_TAG "drv.lcd_mipi"
- #include <drv_log.h>
- #if !defined(LCD_MIPI_WIDTH) || !defined(LCD_MIPI_HEIGHT)
- #error "Please config mipi dsi pixel parameters."
- #endif
- #if !defined(LCD_MIPI_HFP) || !defined(LCD_MIPI_HBP) || !defined(LCD_MIPI_HSW) || \
- !defined(LCD_MIPI_VFP) || !defined(LCD_MIPI_VBP) || !defined(LCD_MIPI_VSW)
- #error "Please config mipi dsi timing parameters."
- #endif
- #if !defined(LCD_MIPI_BL_PIN) || !defined(LCD_MIPI_RST_PIN)
- #error "Please config mipi dsi backlight or reset pin."
- #endif
- struct imxrt_lcd_mipi
- {
- struct rt_device device;
- struct rt_device_graphic_info info;
- };
- static struct imxrt_lcd_mipi lcd_mipi;
- static rt_err_t imxrt_lcd_mipi_init(rt_device_t device)
- {
- RT_ASSERT(device != RT_NULL);
- BOARD_PrepareDisplayController();
- /* MIPI DSI DEVICE INFORMATION*/
- lcd_mipi.info.width = LCD_MIPI_WIDTH;
- lcd_mipi.info.height = LCD_MIPI_HEIGHT;
- #if DEMO_USE_XRGB8888
- lcd_mipi.info.pixel_format = RTGRAPHIC_PIXEL_FORMAT_ARGB888;
- lcd_mipi.info.bits_per_pixel = 32;
- #elif DEMO_USE_RGB565
- lcd_mipi.info.pixel_format = RTGRAPHIC_PIXEL_FORMAT_RGB565;
- lcd_mipi.info.bits_per_pixel = 16;
- #else
- lcd_mipi.info.bits_per_pixel = 16;
- #endif
- return RT_EOK;
- }
- static rt_err_t imxrt_lcd_mipi_control(rt_device_t device, int cmd, void *args)
- {
- switch(cmd)
- {
- case RTGRAPHIC_CTRL_RECT_UPDATE:
- break;
- case RTGRAPHIC_CTRL_POWERON:
- rt_pin_write(LCD_MIPI_BL_PIN, PIN_HIGH);
- break;
- case RTGRAPHIC_CTRL_POWEROFF:
- rt_pin_write(LCD_MIPI_BL_PIN, PIN_LOW);
- break;
- case RTGRAPHIC_CTRL_GET_INFO:
- rt_memcpy(args, &lcd_mipi.info, sizeof(lcd_mipi.info));
- break;
- case RTGRAPHIC_CTRL_SET_MODE:
- break;
- }
- return RT_EOK;
- }
- int rt_hw_lcd_mipi_init(void)
- {
- rt_err_t ret;
- lcd_mipi.device.type = RT_Device_Class_Graphic;
- lcd_mipi.device.init = imxrt_lcd_mipi_init;
- lcd_mipi.device.open = RT_NULL;
- lcd_mipi.device.close = RT_NULL;
- lcd_mipi.device.read = RT_NULL;
- lcd_mipi.device.write = RT_NULL;
- lcd_mipi.device.control = imxrt_lcd_mipi_control;
- lcd_mipi.device.user_data = (void *)&lcd_mipi.info;
- ret = rt_device_register(&lcd_mipi.device, "lcd_mipi", RT_DEVICE_FLAG_RDWR);
- return ret;
- }
- INIT_DEVICE_EXPORT(rt_hw_lcd_mipi_init);
- #endif /* BSP_USING_LCD_MIPI */
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