1 /*
2 * Copyright (c) 2006-2023, RT-Thread Development Team
3 *
4 * SPDX-License-Identifier: Apache-2.0
5 *
6 * Change Logs:
7 * Date Author Notes
8 * 2017-10-30 Tanek the first version
9 * 2023-09-25 Frogrey export MIPI DSI config parameters.
10 */
11
12 #include <rtthread.h>
13
14 #ifdef BSP_USING_LCD_MIPI
15
16 #include "display_support.h"
17 #include "drv_lcd_mipi.h"
18 #include "fsl_common.h"
19 #include "fsl_iomuxc.h"
20 #include "fsl_elcdif.h"
21 #include "drv_gpio.h"
22
23 #define LOG_TAG "drv.lcd_mipi"
24 #include <drv_log.h>
25
26 #if !defined(LCD_MIPI_WIDTH) || !defined(LCD_MIPI_HEIGHT)
27 #error "Please config mipi dsi pixel parameters."
28 #endif
29
30 #if !defined(LCD_MIPI_HFP) || !defined(LCD_MIPI_HBP) || !defined(LCD_MIPI_HSW) || \
31 !defined(LCD_MIPI_VFP) || !defined(LCD_MIPI_VBP) || !defined(LCD_MIPI_VSW)
32 #error "Please config mipi dsi timing parameters."
33 #endif
34
35 #if !defined(LCD_MIPI_BL_PIN) || !defined(LCD_MIPI_RST_PIN)
36 #error "Please config mipi dsi backlight or reset pin."
37 #endif
38
39 struct imxrt_lcd_mipi
40 {
41 struct rt_device device;
42 struct rt_device_graphic_info info;
43 };
44
45 static struct imxrt_lcd_mipi lcd_mipi;
46
imxrt_lcd_mipi_init(rt_device_t device)47 static rt_err_t imxrt_lcd_mipi_init(rt_device_t device)
48 {
49 RT_ASSERT(device != RT_NULL);
50
51 BOARD_PrepareDisplayController();
52
53 /* MIPI DSI DEVICE INFORMATION*/
54 lcd_mipi.info.width = LCD_MIPI_WIDTH;
55 lcd_mipi.info.height = LCD_MIPI_HEIGHT;
56 #if DEMO_USE_XRGB8888
57 lcd_mipi.info.pixel_format = RTGRAPHIC_PIXEL_FORMAT_ARGB888;
58 lcd_mipi.info.bits_per_pixel = 32;
59 #elif DEMO_USE_RGB565
60 lcd_mipi.info.pixel_format = RTGRAPHIC_PIXEL_FORMAT_RGB565;
61 lcd_mipi.info.bits_per_pixel = 16;
62 #else
63 lcd_mipi.info.bits_per_pixel = 16;
64 #endif
65
66 return RT_EOK;
67 }
68
imxrt_lcd_mipi_control(rt_device_t device,int cmd,void * args)69 static rt_err_t imxrt_lcd_mipi_control(rt_device_t device, int cmd, void *args)
70 {
71 switch(cmd)
72 {
73 case RTGRAPHIC_CTRL_RECT_UPDATE:
74 break;
75
76 case RTGRAPHIC_CTRL_POWERON:
77 rt_pin_write(LCD_MIPI_BL_PIN, PIN_HIGH);
78 break;
79
80 case RTGRAPHIC_CTRL_POWEROFF:
81 rt_pin_write(LCD_MIPI_BL_PIN, PIN_LOW);
82 break;
83
84 case RTGRAPHIC_CTRL_GET_INFO:
85 rt_memcpy(args, &lcd_mipi.info, sizeof(lcd_mipi.info));
86 break;
87
88 case RTGRAPHIC_CTRL_SET_MODE:
89 break;
90 }
91
92 return RT_EOK;
93 }
94
rt_hw_lcd_mipi_init(void)95 int rt_hw_lcd_mipi_init(void)
96 {
97 rt_err_t ret;
98
99 lcd_mipi.device.type = RT_Device_Class_Graphic;
100 lcd_mipi.device.init = imxrt_lcd_mipi_init;
101 lcd_mipi.device.open = RT_NULL;
102 lcd_mipi.device.close = RT_NULL;
103 lcd_mipi.device.read = RT_NULL;
104 lcd_mipi.device.write = RT_NULL;
105 lcd_mipi.device.control = imxrt_lcd_mipi_control;
106
107 lcd_mipi.device.user_data = (void *)&lcd_mipi.info;
108
109 ret = rt_device_register(&lcd_mipi.device, "lcd_mipi", RT_DEVICE_FLAG_RDWR);
110
111 return ret;
112 }
113
114 INIT_DEVICE_EXPORT(rt_hw_lcd_mipi_init);
115
116 #endif /* BSP_USING_LCD_MIPI */
117