Merge pull request #1529 from TanekLiang/imxrt-lcd-update

[bsp][imxrt1052] update lcd driver and add lcd init code

bsp/imxrt1052-evk/applications/lcd_init.c

@@ -0,0 +1,42 @@
+/*
+ * File      : lcd_init.c
+ * This file is part of RT-Thread RTOS
+ * COPYRIGHT (C) 2006 - 2012, RT-Thread Development Team
+ *
+ *  This program is free software; you can redistribute it and/or modify
+ *  it under the terms of the GNU General Public License as published by
+ *  the Free Software Foundation; either version 2 of the License, or
+ *  (at your option) any later version.
+ *
+ *  This program is distributed in the hope that it will be useful,
+ *  but WITHOUT ANY WARRANTY; without even the implied warranty of
+ *  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ *  GNU General Public License for more details.
+ *
+ *  You should have received a copy of the GNU General Public License along
+ *  with this program; if not, write to the Free Software Foundation, Inc.,
+ *  51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
+ *
+ * Change Logs:
+ * Date           Author       Notes
+ * 2018-06-12     Tanek        first version
+ */
+
+#include <rtthread.h>
+
+#if defined(PKG_USING_GUIENGINE)
+
+#include <rtgui/driver.h>
+int lcd_init(void)
+{
+    struct rt_device *device;
+    device = rt_device_find("lcd");
+    if (device)
+    {
+        rtgui_graphic_set_device(device);
+    }
+
+    return 0;
+}
+INIT_APP_EXPORT(lcd_init);
+#endif

bsp/imxrt1052-evk/drivers/drv_lcd.c

@@ -12,159 +12,177 @@
  * 2017-10-30     Tanek        the first version
  * 2018-04-05     Liu2guang    export LCD config parameters.
  */
- 
-#include "drv_lcd.h" 
+
+#include "drv_lcd.h"
 
 #include "fsl_common.h"
-#include "fsl_iomuxc.h" 
+#include "fsl_iomuxc.h"
 #include "fsl_elcdif.h"
 
-#if !defined(LCD_WIDTH) || !defined(LCD_HEIGHT) 
-#error "Please config lcd pixel parameters." 
+#if !defined(LCD_WIDTH) || !defined(LCD_HEIGHT)
+    #error "Please config lcd pixel parameters."
 #endif
 
 #if !defined(LCD_HFP) || !defined(LCD_HBP) || !defined(LCD_HSW) || \
     !defined(LCD_VFP) || !defined(LCD_VBP) || !defined(LCD_VSW)
-#error "Please config lcd timing parameters." 
+    #error "Please config lcd timing parameters."
 #endif
 
-#if !defined(LCD_BL_PIN) || !defined(LCD_RST_PIN) 
-#error "Please config lcd backlight or reset pin." 
+#if !defined(LCD_BL_PIN) || !defined(LCD_RST_PIN)
+    #error "Please config lcd backlight or reset pin."
 #endif
 
 struct rt1050_lcd
 {
-    struct rt_device device; 
-    struct rt_device_graphic_info info; 
-}; 
+    struct rt_device device;
+    struct rt_device_graphic_info info;
+};
 
-static struct rt1050_lcd lcd; 
-ALIGN(64) static uint16_t frame_buffer[LCD_HEIGHT][LCD_WIDTH] SECTION("NonCacheable"); 
+static struct rt1050_lcd lcd;
+ALIGN(64) static uint16_t frame_buffer[LCD_HEIGHT][LCD_WIDTH] SECTION("NonCacheable");
 
 static rt_err_t rt1050_lcd_init(rt_device_t device)
 {
-    RT_ASSERT(device != RT_NULL); 
-    
-    rt_memset(frame_buffer, 0x00, sizeof(frame_buffer)); 
-    
-        
+    RT_ASSERT(device != RT_NULL);
+
+    rt_memset(frame_buffer, 0x00, sizeof(frame_buffer));
+
     /* DeInit Video PLL. */
     CLOCK_DeinitVideoPll();
-    /* Bypass Video PLL. */
-    CCM_ANALOG->PLL_VIDEO |= CCM_ANALOG_PLL_VIDEO_BYPASS_MASK;
-    /* Set divider for Video PLL. */
-    CCM_ANALOG->MISC2 = (CCM_ANALOG->MISC2 & (~CCM_ANALOG_MISC2_VIDEO_DIV_MASK)) | CCM_ANALOG_MISC2_VIDEO_DIV(0);
-    /* Enable Video PLL output. */
-    CCM_ANALOG->PLL_VIDEO |= CCM_ANALOG_PLL_VIDEO_ENABLE_MASK;
-    
-    /* GPIO */ 
-    CLOCK_EnableClock(kCLOCK_Iomuxc); 
-    
-    IOMUXC_SetPinMux   (IOMUXC_GPIO_B0_04_LCD_DATA00, 0U); 
-    IOMUXC_SetPinConfig(IOMUXC_GPIO_B0_04_LCD_DATA00, 0x01B0B0U); /* LCD_B3 */ 
-    IOMUXC_SetPinMux   (IOMUXC_GPIO_B0_05_LCD_DATA01, 0U); 
-    IOMUXC_SetPinConfig(IOMUXC_GPIO_B0_05_LCD_DATA01, 0x01B0B0U); /* LCD_B4 */ 
-    IOMUXC_SetPinMux   (IOMUXC_GPIO_B0_06_LCD_DATA02, 0U); 
-    IOMUXC_SetPinConfig(IOMUXC_GPIO_B0_06_LCD_DATA02, 0x01B0B0U); /* LCD_B5 */ 
-    IOMUXC_SetPinMux   (IOMUXC_GPIO_B0_07_LCD_DATA03, 0U); 
-    IOMUXC_SetPinConfig(IOMUXC_GPIO_B0_07_LCD_DATA03, 0x01B0B0U); /* LCD_B6 */ 
-    IOMUXC_SetPinMux   (IOMUXC_GPIO_B0_08_LCD_DATA04, 0U); 
-    IOMUXC_SetPinConfig(IOMUXC_GPIO_B0_08_LCD_DATA04, 0x01B0B0U); /* LCD_B7 */ 
-    
-    IOMUXC_SetPinMux   (IOMUXC_GPIO_B0_09_LCD_DATA05, 0U); 
-    IOMUXC_SetPinConfig(IOMUXC_GPIO_B0_09_LCD_DATA05, 0x01B0B0U); /* LCD_G2 */ 
-    IOMUXC_SetPinMux   (IOMUXC_GPIO_B0_10_LCD_DATA06, 0U); 
-    IOMUXC_SetPinConfig(IOMUXC_GPIO_B0_10_LCD_DATA06, 0x01B0B0U); /* LCD_G3 */ 
-    IOMUXC_SetPinMux   (IOMUXC_GPIO_B0_11_LCD_DATA07, 0U); 
-    IOMUXC_SetPinConfig(IOMUXC_GPIO_B0_11_LCD_DATA07, 0x01B0B0U); /* LCD_G4 */ 
-    IOMUXC_SetPinMux   (IOMUXC_GPIO_B0_12_LCD_DATA08, 0U); 
-    IOMUXC_SetPinConfig(IOMUXC_GPIO_B0_12_LCD_DATA08, 0x01B0B0U); /* LCD_G5 */ 
-    IOMUXC_SetPinMux   (IOMUXC_GPIO_B0_13_LCD_DATA09, 0U); 
-    IOMUXC_SetPinConfig(IOMUXC_GPIO_B0_13_LCD_DATA09, 0x01B0B0U); /* LCD_G6 */ 
-    IOMUXC_SetPinMux   (IOMUXC_GPIO_B0_14_LCD_DATA10, 0U); 
-    IOMUXC_SetPinConfig(IOMUXC_GPIO_B0_14_LCD_DATA10, 0x01B0B0U); /* LCD_G7 */ 
-    
-    IOMUXC_SetPinMux   (IOMUXC_GPIO_B0_15_LCD_DATA11, 0U); 
-    IOMUXC_SetPinConfig(IOMUXC_GPIO_B0_15_LCD_DATA11, 0x01B0B0U); /* LCD_R3 */ 
-    IOMUXC_SetPinMux   (IOMUXC_GPIO_B1_00_LCD_DATA12, 0U); 
-    IOMUXC_SetPinConfig(IOMUXC_GPIO_B1_00_LCD_DATA12, 0x01B0B0U); /* LCD_R4 */ 
-    IOMUXC_SetPinMux   (IOMUXC_GPIO_B1_01_LCD_DATA13, 0U); 
-    IOMUXC_SetPinConfig(IOMUXC_GPIO_B1_01_LCD_DATA13, 0x01B0B0U); /* LCD_R5 */ 
-    IOMUXC_SetPinMux   (IOMUXC_GPIO_B1_02_LCD_DATA14, 0U); 
-    IOMUXC_SetPinConfig(IOMUXC_GPIO_B1_02_LCD_DATA14, 0x01B0B0U); /* LCD_R6 */ 
-    IOMUXC_SetPinMux   (IOMUXC_GPIO_B1_03_LCD_DATA15, 0U); 
-    IOMUXC_SetPinConfig(IOMUXC_GPIO_B1_03_LCD_DATA15, 0x01B0B0U); /* LCD_R7 */ 
-    
-    IOMUXC_SetPinMux   (IOMUXC_GPIO_B0_00_LCD_CLK,    0U); 
-    IOMUXC_SetPinConfig(IOMUXC_GPIO_B0_00_LCD_CLK,    0x01B0B0u); /* LCD_CLK */ 
-    IOMUXC_SetPinMux   (IOMUXC_GPIO_B0_02_LCD_HSYNC,  0U); 
-    IOMUXC_SetPinConfig(IOMUXC_GPIO_B0_02_LCD_HSYNC,  0x01B0B0u); /* LCD_HSYNC */ 
-    IOMUXC_SetPinMux   (IOMUXC_GPIO_B0_03_LCD_VSYNC,  0U); 
-    IOMUXC_SetPinConfig(IOMUXC_GPIO_B0_03_LCD_VSYNC,  0x01B0B0u); /* LCD_VSYNC */ 
-    IOMUXC_SetPinMux   (IOMUXC_GPIO_B0_01_LCD_ENABLE, 0U); 
-    IOMUXC_SetPinConfig(IOMUXC_GPIO_B0_01_LCD_ENABLE, 0x01B0B0u); /* LCD_ENABLE */ 
-    
-    rt_pin_mode(LCD_RST_PIN, PIN_MODE_OUTPUT); /* LCD_RESET */ 
-    rt_pin_write(LCD_RST_PIN, PIN_LOW); 
-    rt_thread_delay(RT_TICK_PER_SECOND/100); 
-    rt_pin_write(LCD_RST_PIN, PIN_HIGH); 
-    
-    rt_pin_mode (LCD_BL_PIN, PIN_MODE_OUTPUT);  /* LCD_BL */ 
-    rt_pin_write(LCD_BL_PIN, PIN_HIGH); 
-    
-    /* LCD */ 
-    elcdif_rgb_mode_config_t lcd_config; 
-    
-    lcd_config.hfp           = LCD_HFP; 
-    lcd_config.vfp           = LCD_VFP; 
-    lcd_config.hbp           = LCD_HBP; 
-    lcd_config.vbp           = LCD_VBP; 
-    lcd_config.hsw           = LCD_HSW; 
-    lcd_config.vsw           = LCD_VSW; 
-    
-    lcd_config.polarityFlags = kELCDIF_DataEnableActiveHigh | 
-                               kELCDIF_VsyncActiveHigh      | 
-                               kELCDIF_HsyncActiveLow       | 
+
+    /*
+     * Initialize the Video PLL.
+     * Video PLL output clock is OSC24M * (loopDivider + (denominator / numerator)) / postDivider = 93MHz.
+     */
+    clock_video_pll_config_t config =
+    {
+        .loopDivider = 31, .postDivider = 8, .numerator = 0, .denominator = 1,
+    };
+
+    CLOCK_InitVideoPll(&config);
+
+    /*
+     * 000 derive clock from PLL2
+     * 001 derive clock from PLL3 PFD3
+     * 010 derive clock from PLL5
+     * 011 derive clock from PLL2 PFD0
+     * 100 derive clock from PLL2 PFD1
+     * 101 derive clock from PLL3 PFD1
+     */
+    CLOCK_SetMux(kCLOCK_LcdifPreMux, 2);
+
+    CLOCK_SetDiv(kCLOCK_LcdifPreDiv, 4);
+
+    CLOCK_SetDiv(kCLOCK_LcdifDiv, 1);
+
+    /* GPIO */
+    CLOCK_EnableClock(kCLOCK_Iomuxc);
+
+    IOMUXC_SetPinMux(IOMUXC_GPIO_B0_04_LCD_DATA00, 0U);
+    IOMUXC_SetPinConfig(IOMUXC_GPIO_B0_04_LCD_DATA00, 0x01B0B0U); /* LCD_B3 */
+    IOMUXC_SetPinMux(IOMUXC_GPIO_B0_05_LCD_DATA01, 0U);
+    IOMUXC_SetPinConfig(IOMUXC_GPIO_B0_05_LCD_DATA01, 0x01B0B0U); /* LCD_B4 */
+    IOMUXC_SetPinMux(IOMUXC_GPIO_B0_06_LCD_DATA02, 0U);
+    IOMUXC_SetPinConfig(IOMUXC_GPIO_B0_06_LCD_DATA02, 0x01B0B0U); /* LCD_B5 */
+    IOMUXC_SetPinMux(IOMUXC_GPIO_B0_07_LCD_DATA03, 0U);
+    IOMUXC_SetPinConfig(IOMUXC_GPIO_B0_07_LCD_DATA03, 0x01B0B0U); /* LCD_B6 */
+    IOMUXC_SetPinMux(IOMUXC_GPIO_B0_08_LCD_DATA04, 0U);
+    IOMUXC_SetPinConfig(IOMUXC_GPIO_B0_08_LCD_DATA04, 0x01B0B0U); /* LCD_B7 */
+
+    IOMUXC_SetPinMux(IOMUXC_GPIO_B0_09_LCD_DATA05, 0U);
+    IOMUXC_SetPinConfig(IOMUXC_GPIO_B0_09_LCD_DATA05, 0x01B0B0U); /* LCD_G2 */
+    IOMUXC_SetPinMux(IOMUXC_GPIO_B0_10_LCD_DATA06, 0U);
+    IOMUXC_SetPinConfig(IOMUXC_GPIO_B0_10_LCD_DATA06, 0x01B0B0U); /* LCD_G3 */
+    IOMUXC_SetPinMux(IOMUXC_GPIO_B0_11_LCD_DATA07, 0U);
+    IOMUXC_SetPinConfig(IOMUXC_GPIO_B0_11_LCD_DATA07, 0x01B0B0U); /* LCD_G4 */
+    IOMUXC_SetPinMux(IOMUXC_GPIO_B0_12_LCD_DATA08, 0U);
+    IOMUXC_SetPinConfig(IOMUXC_GPIO_B0_12_LCD_DATA08, 0x01B0B0U); /* LCD_G5 */
+    IOMUXC_SetPinMux(IOMUXC_GPIO_B0_13_LCD_DATA09, 0U);
+    IOMUXC_SetPinConfig(IOMUXC_GPIO_B0_13_LCD_DATA09, 0x01B0B0U); /* LCD_G6 */
+    IOMUXC_SetPinMux(IOMUXC_GPIO_B0_14_LCD_DATA10, 0U);
+    IOMUXC_SetPinConfig(IOMUXC_GPIO_B0_14_LCD_DATA10, 0x01B0B0U); /* LCD_G7 */
+
+    IOMUXC_SetPinMux(IOMUXC_GPIO_B0_15_LCD_DATA11, 0U);
+    IOMUXC_SetPinConfig(IOMUXC_GPIO_B0_15_LCD_DATA11, 0x01B0B0U); /* LCD_R3 */
+    IOMUXC_SetPinMux(IOMUXC_GPIO_B1_00_LCD_DATA12, 0U);
+    IOMUXC_SetPinConfig(IOMUXC_GPIO_B1_00_LCD_DATA12, 0x01B0B0U); /* LCD_R4 */
+    IOMUXC_SetPinMux(IOMUXC_GPIO_B1_01_LCD_DATA13, 0U);
+    IOMUXC_SetPinConfig(IOMUXC_GPIO_B1_01_LCD_DATA13, 0x01B0B0U); /* LCD_R5 */
+    IOMUXC_SetPinMux(IOMUXC_GPIO_B1_02_LCD_DATA14, 0U);
+    IOMUXC_SetPinConfig(IOMUXC_GPIO_B1_02_LCD_DATA14, 0x01B0B0U); /* LCD_R6 */
+    IOMUXC_SetPinMux(IOMUXC_GPIO_B1_03_LCD_DATA15, 0U);
+    IOMUXC_SetPinConfig(IOMUXC_GPIO_B1_03_LCD_DATA15, 0x01B0B0U); /* LCD_R7 */
+
+    IOMUXC_SetPinMux(IOMUXC_GPIO_B0_00_LCD_CLK,    0U);
+    IOMUXC_SetPinConfig(IOMUXC_GPIO_B0_00_LCD_CLK,    0x01B0B0u); /* LCD_CLK */
+    IOMUXC_SetPinMux(IOMUXC_GPIO_B0_02_LCD_HSYNC,  0U);
+    IOMUXC_SetPinConfig(IOMUXC_GPIO_B0_02_LCD_HSYNC,  0x01B0B0u); /* LCD_HSYNC */
+    IOMUXC_SetPinMux(IOMUXC_GPIO_B0_03_LCD_VSYNC,  0U);
+    IOMUXC_SetPinConfig(IOMUXC_GPIO_B0_03_LCD_VSYNC,  0x01B0B0u); /* LCD_VSYNC */
+    IOMUXC_SetPinMux(IOMUXC_GPIO_B0_01_LCD_ENABLE, 0U);
+    IOMUXC_SetPinConfig(IOMUXC_GPIO_B0_01_LCD_ENABLE, 0x01B0B0u); /* LCD_ENABLE */
+
+    rt_pin_mode(LCD_RST_PIN, PIN_MODE_OUTPUT); /* LCD_RESET */
+    rt_pin_write(LCD_RST_PIN, PIN_LOW);
+    rt_thread_delay(RT_TICK_PER_SECOND / 100);
+    rt_pin_write(LCD_RST_PIN, PIN_HIGH);
+
+    rt_pin_mode(LCD_BL_PIN, PIN_MODE_OUTPUT);   /* LCD_BL */
+    rt_pin_write(LCD_BL_PIN, PIN_HIGH);
+
+    /* LCD */
+    elcdif_rgb_mode_config_t lcd_config;
+
+    lcd_config.hfp           = LCD_HFP;
+    lcd_config.vfp           = LCD_VFP;
+    lcd_config.hbp           = LCD_HBP;
+    lcd_config.vbp           = LCD_VBP;
+    lcd_config.hsw           = LCD_HSW;
+    lcd_config.vsw           = LCD_VSW;
+
+    lcd_config.polarityFlags = kELCDIF_DataEnableActiveHigh |
+                               kELCDIF_VsyncActiveHigh      |
+                               kELCDIF_HsyncActiveLow       |
                                kELCDIF_DriveDataOnRisingClkEdge;
-    
-    lcd_config.panelWidth    = LCD_WIDTH; 
-    lcd_config.panelHeight   = LCD_HEIGHT; 
-    lcd_config.pixelFormat   = kELCDIF_PixelFormatRGB565; 
-    lcd_config.dataBus       = kELCDIF_DataBus16Bit; 
-    lcd_config.bufferAddr    = (uint32_t)frame_buffer; 
-    
-    ELCDIF_RgbModeInit (LCDIF, &lcd_config);
-    ELCDIF_RgbModeStart(LCDIF); 
-    
+
+    lcd_config.panelWidth    = LCD_WIDTH;
+    lcd_config.panelHeight   = LCD_HEIGHT;
+    lcd_config.pixelFormat   = kELCDIF_PixelFormatRGB565;
+    lcd_config.dataBus       = kELCDIF_DataBus16Bit;
+    lcd_config.bufferAddr    = (uint32_t)frame_buffer;
+
+    ELCDIF_RgbModeInit(LCDIF, &lcd_config);
+    ELCDIF_RgbModeStart(LCDIF);
+
     /* LCD DEVICE */
     lcd.info.width          = LCD_WIDTH;
     lcd.info.height         = LCD_HEIGHT;
     lcd.info.pixel_format   = RTGRAPHIC_PIXEL_FORMAT_RGB565;
-    lcd.info.bits_per_pixel = 16; 
+    lcd.info.bits_per_pixel = 16;
     lcd.info.framebuffer    = (void *)frame_buffer;
 
-    return RT_EOK; 
+    return RT_EOK;
 }
 
 static rt_err_t rt1050_lcd_control(rt_device_t device, int cmd, void *args)
 {
-    switch(cmd)
+    switch (cmd)
     {
-    case RTGRAPHIC_CTRL_RECT_UPDATE: 
+    case RTGRAPHIC_CTRL_RECT_UPDATE:
         break;
-    
-    case RTGRAPHIC_CTRL_POWERON: 
-        rt_pin_write(LCD_BL_PIN, PIN_HIGH); 
+
+    case RTGRAPHIC_CTRL_POWERON:
+        rt_pin_write(LCD_BL_PIN, PIN_HIGH);
         break;
-    
-    case RTGRAPHIC_CTRL_POWEROFF: 
-        rt_pin_write(LCD_BL_PIN, PIN_LOW); 
+
+    case RTGRAPHIC_CTRL_POWEROFF:
+        rt_pin_write(LCD_BL_PIN, PIN_LOW);
         break;
-    
+
     case RTGRAPHIC_CTRL_GET_INFO:
-        rt_memcpy(args, &lcd.info, sizeof(lcd.info)); 
+        rt_memcpy(args, &lcd.info, sizeof(lcd.info));
         break;
-    
+
     case RTGRAPHIC_CTRL_SET_MODE:
         break;
     }
@@ -174,22 +192,20 @@ static rt_err_t rt1050_lcd_control(rt_device_t device, int cmd, void *args)
 
 int rt_hw_lcd_init(void)
 {
-    rt_err_t ret; 
+    rt_err_t ret;
 
-    lcd.device.type    = RT_Device_Class_Graphic; 
-    lcd.device.init    = rt1050_lcd_init; 
+    lcd.device.type    = RT_Device_Class_Graphic;
+    lcd.device.init    = rt1050_lcd_init;
     lcd.device.open    = RT_NULL;
     lcd.device.close   = RT_NULL;
     lcd.device.read    = RT_NULL;
     lcd.device.write   = RT_NULL;
-    lcd.device.control = rt1050_lcd_control; 
-    
-    lcd.device.user_data = (void *)&lcd.info; 
-    
-    rt1050_lcd_init(&lcd.device);
-    
-    ret = rt_device_register(&lcd.device, "lcd", RT_DEVICE_FLAG_RDWR); 
-    
-    return ret; 
+    lcd.device.control = rt1050_lcd_control;
+
+    lcd.device.user_data = (void *)&lcd.info;
+
+    ret = rt_device_register(&lcd.device, "lcd", RT_DEVICE_FLAG_RDWR);
+
+    return ret;
 }
-//INIT_DEVICE_EXPORT(rt_hw_lcd_init); 
+INIT_DEVICE_EXPORT(rt_hw_lcd_init);