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📄 lcd.c

📁 mtk LCD驱动程序文件! 可以了解mtk的lcd驱动程序架构!
💻 C
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            LCD_Init_HX8306A(0, 0);
		#elif (defined(LCD_9BIT_MODE))
		#elif (defined(LCD_16BIT_MODE))
            LCD_Init_HX8306A(0, 0);
		#elif (defined(LCD_18BIT_MODE))
			SET_LCD_CMD_PARAMETER(0,LCD_CMD,((0x0012&0xFF00)<<2)|((0x0012&0xFF)<<1));
			SET_LCD_CMD_PARAMETER(1,LCD_DATA,((lcd_power_ctrl_shadow3&0xFF00)<<2)|((lcd_power_ctrl_shadow3&0xFF)<<1));
			SET_LCD_CMD_PARAMETER(2,LCD_CMD,((0x0013&0xFF00)<<2)|((0x0013&0xFF)<<1));
			SET_LCD_CMD_PARAMETER(3,LCD_DATA,((lcd_power_ctrl_shadow4&0xFF00)<<2)|((lcd_power_ctrl_shadow4&0xFF)<<1));
			SET_LCD_CMD_PARAMETER(4,LCD_CMD,((0x0010&0xFF00)<<2)|((0x0010&0xFF)<<1));
			SET_LCD_CMD_PARAMETER(5,LCD_DATA,((lcd_power_ctrl_shadow1&0xFF00)<<2)|((lcd_power_ctrl_shadow1&0xFF)<<1));
			LCD_SEND_DMA_CMD(6);

			SET_LCD_CMD_PARAMETER(0,LCD_CMD,((0x0007&0xFF00)<<2)|((0x0007&0xFF)<<1));
			SET_LCD_CMD_PARAMETER(1,LCD_DATA,((0x0005&0xFF00)<<2)|((0x0005&0xFF)<<1));
			LCD_SEND_DMA_CMD(2);
			LCD_Delay(0x1000);
			SET_LCD_CMD_PARAMETER(0,LCD_CMD,((0x0007&0xFF00)<<2)|((0x0007&0xFF)<<1));
			SET_LCD_CMD_PARAMETER(1,LCD_DATA,((0x0025&0xFF00)<<2)|((0x0025&0xFF)<<1));
			LCD_SEND_DMA_CMD(2);
			SET_LCD_CMD_PARAMETER(0,LCD_CMD,((0x0007&0xFF00)<<2)|((0x0007&0xFF)<<1));
			SET_LCD_CMD_PARAMETER(1,LCD_DATA,((0x0027&0xFF00)<<2)|((0x0027&0xFF)<<1));
			LCD_SEND_DMA_CMD(2);
			LCD_Delay(0x1000);
			SET_LCD_CMD_PARAMETER(0,LCD_CMD,((0x0007&0xFF00)<<2)|((0x0007&0xFF)<<1));
			SET_LCD_CMD_PARAMETER(1,LCD_DATA,((0x0037&0xFF00)<<2)|((0x0037&0xFF)<<1));
			LCD_SEND_DMA_CMD(2);
			LCD_Delay(0x1000);
		#endif
	#else
		LCD_CtrlWrite_HX8306A(0x0010);
		LCD_DataWrite_HX8306A(lcd_power_ctrl_shadow1);
		LCD_CtrlWrite_HX8306A(0x0012);
		LCD_DataWrite_HX8306A(lcd_power_ctrl_shadow3);
		LCD_CtrlWrite_HX8306A(0x0013);
		LCD_DataWrite_HX8306A(lcd_power_ctrl_shadow4);
		LCD_CtrlWrite_HX8306A(0x0007);
		LCD_DataWrite_HX8306A(0x0005);
		LCD_Delay(0x1000);
		LCD_CtrlWrite_HX8306A(0x0007);
		LCD_DataWrite_HX8306A(0x0025);
		LCD_CtrlWrite_HX8306A(0x0007);
		LCD_DataWrite_HX8306A(0x0027);
		LCD_Delay(0x1000);
		LCD_CtrlWrite_HX8306A(0x0007);
		LCD_DataWrite_HX8306A(0x0037);
		LCD_Delay(0x1000);
	#endif
}

void LCD_Partial_On_HX8306A(kal_uint16 start_page,kal_uint16 end_page)
{
	#if (defined(LCD_CMD_DMA_MODE))
		#if (defined(LCD_8BIT_MODE))
			SET_LCD_CMD_PARAMETER(0,LCD_CMD, (0x0007 >> 8));
			SET_LCD_CMD_PARAMETER(1,LCD_CMD, (0x0007 & 0x00FF));
			SET_LCD_CMD_PARAMETER(2,LCD_DATA, (0x003F & 0x00FF));
			SET_LCD_CMD_PARAMETER(3,LCD_DATA, (0x003F & 0x00FF));
			SET_LCD_CMD_PARAMETER(4,LCD_CMD, (0x0042 >> 8));
			SET_LCD_CMD_PARAMETER(5,LCD_CMD, (0x0042 & 0x00FF));
			SET_LCD_CMD_PARAMETER(6,LCD_DATA, (end_page & 0x00FF));
			SET_LCD_CMD_PARAMETER(7,LCD_DATA, (start_page & 0x00FF));
			LCD_SEND_DMA_CMD(8);
		#elif (defined(LCD_9BIT_MODE))
		#elif (defined(LCD_16BIT_MODE))
			LCD_set_reg(0x0007, 0x003f);
			SET_LCD_CMD_PARAMETER(0,LCD_CMD,(0x0042&0xFF00) | (0x0042&0xFF));
			SET_LCD_CMD_PARAMETER(1,LCD_DATA,((end_page&0xFF)<<8)|(start_page&0xFF));
			LCD_SEND_DMA_CMD(2);
		#elif (defined(LCD_18BIT_MODE))
		LCD_CtrlWrite_HX8306A(0x0007);
		LCD_DataWrite_HX8306A(0x003f);
        SET_LCD_CMD_PARAMETER(0,LCD_CMD,((0x0042&0xFF00)<<2)|((0x0042&0xFF)<<1));
		SET_LCD_CMD_PARAMETER(1,LCD_DATA,((end_page&0xFF)<<10)|((start_page&0xFF)<<1));
		LCD_SEND_DMA_CMD(2);
		#endif
	#else
    	LCD_set_reg(0x0007, 0x003f);
    	LCD_set_reg(0x0042, (start_page & 0xFF) | ((end_page & 0xFF) << 8));
	#endif
}

void LCD_Partial_Off_HX8306A(void)
{
	#if (defined(LCD_CMD_DMA_MODE))
		#if (defined(LCD_8BIT_MODE))
			SET_LCD_CMD_PARAMETER(0,LCD_CMD, (0x0007 >> 8));
			SET_LCD_CMD_PARAMETER(1,LCD_CMD, (0x0007 & 0x00FF));
			SET_LCD_CMD_PARAMETER(2,LCD_CMD, (0x0042 >> 8));
			SET_LCD_CMD_PARAMETER(3,LCD_CMD, (0x0042 & 0x00FF));
			SET_LCD_CMD_PARAMETER(4,LCD_DATA, (0xDB00 >> 8));
			SET_LCD_CMD_PARAMETER(5,LCD_DATA, (0xDB00 & 0x00FF));
			LCD_SEND_DMA_CMD(6);
        #elif (defined(LCD_9BIT_MODE))
        #elif (defined(LCD_16BIT_MODE))
            LCD_set_reg(0x0007,0x0037);
            SET_LCD_CMD_PARAMETER(0,LCD_CMD,(0x0042&0xFF00)|(0x0042&0xFF));
            SET_LCD_CMD_PARAMETER(1,LCD_DATA,(0xDB00&0xFF00)|(0xDB00&0xFF));
            LCD_SEND_DMA_CMD(2);
		#elif (defined(LCD_18BIT_MODE))
    		LCD_CtrlWrite_HX8306A(0x0007);
	    	LCD_DataWrite_HX8306A(0x0037);
		    SET_LCD_CMD_PARAMETER(0,LCD_CMD,((0x0042&0xFF00)<<2)|((0x0042&0xFF)<<1));
		    SET_LCD_CMD_PARAMETER(1,LCD_DATA,((0xDB00&0xFF00)<<2)|((0xDB00&0xFF)<<1));
		    LCD_SEND_DMA_CMD(2);
        #endif
    #else
        LCD_set_reg(0x0007, 0x0037);
        LCD_set_reg(0x0042, 0xDB00);
    #endif
}

kal_uint8 LCD_Partial_line_HX8306A(void)
{
	return 1;		/* partial display in 1 line alignment */
}

void LCD_blockClear_HX8306A(kal_uint16 x1, kal_uint16 y1, kal_uint16 x2, kal_uint16 y2, kal_uint16 data)
{
	kal_uint16 LCD_x;
	kal_uint16 LCD_y;
	kal_uint8 r_color, g_color, b_color;

	x1 -= (x1 & 0x03);
	x2 += (3 - (x2 & 0x03));

	r_color = (data & 0xF800) >> 10;	/* transfer to RGB666 */
	g_color = (data >> 5) & 0x3F;
	b_color = (data & 0x1F) << 1;

	#if (defined(LCD_CMD_DMA_MODE))
		#if (defined(LCD_8BIT_MODE))
			SET_LCD_CMD_PARAMETER(0,LCD_CMD, (0x0044 >> 8));
			SET_LCD_CMD_PARAMETER(1,LCD_CMD, (0x0044 & 0x00FF));

		    SET_LCD_CMD_PARAMETER(2,LCD_DATA, (x2 & 0x00FF));
		    SET_LCD_CMD_PARAMETER(3,LCD_DATA, (x1 & 0x00FF));

			SET_LCD_CMD_PARAMETER(4,LCD_CMD, (0x0045 >> 8));
			SET_LCD_CMD_PARAMETER(5,LCD_CMD, (0x0045 & 0x00FF));

			SET_LCD_CMD_PARAMETER(6,LCD_DATA, (y2 & 0x00FF));
			SET_LCD_CMD_PARAMETER(7,LCD_DATA, (y1 & 0x00FF));

			SET_LCD_CMD_PARAMETER(8,LCD_CMD, (0x0021 >> 8));
			SET_LCD_CMD_PARAMETER(9,LCD_CMD, (0x0021 & 0x00FF));

			SET_LCD_CMD_PARAMETER(10,LCD_DATA, (y1 & 0x00FF));
			SET_LCD_CMD_PARAMETER(11,LCD_DATA, (x1 & 0x00FF));

			SET_LCD_CMD_PARAMETER(12,LCD_CMD, (0x0022 >> 8));
			SET_LCD_CMD_PARAMETER(13,LCD_CMD, (0x0022 & 0x00FF));
			LCD_SEND_DMA_CMD(14);
		#elif (defined(LCD_9BIT_MODE))
		#elif (defined(LCD_16BIT_MODE))
			SET_LCD_CMD_PARAMETER(0,LCD_CMD,((0x0044&0xFF00))|((0x0044&0xFF)));
		    SET_LCD_CMD_PARAMETER(1,LCD_DATA,((x2&0xFF)<<8)|((x1&0xFF)));
			SET_LCD_CMD_PARAMETER(2,LCD_CMD,((0x0045&0xFF00))|((0x0045&0xFF)));
			SET_LCD_CMD_PARAMETER(3,LCD_DATA,((y2&0xFF)<<8)|((y1&0xFF)));
			SET_LCD_CMD_PARAMETER(4,LCD_CMD,((0x0021&0xFF00))|((0x0021&0xFF)));
			SET_LCD_CMD_PARAMETER(5,LCD_DATA,((y1&0xFF)<<8)|((x1&0xFF)));
			SET_LCD_CMD_PARAMETER(6,LCD_CMD,((0x0022&0xFF00))|((0x0022&0xFF)));
			LCD_SEND_DMA_CMD(7);
		#elif (defined(LCD_18BIT_MODE))
			SET_LCD_CMD_PARAMETER(0,LCD_CMD,((0x0044&0xFF00)<<2)|((0x0044&0xFF)<<1));
			SET_LCD_CMD_PARAMETER(1,LCD_DATA,((x2&0xFF)<<10)|((x1&0xFF)<<1));

			SET_LCD_CMD_PARAMETER(2,LCD_CMD,((0x0045&0xFF00)<<2)|((0x0045&0xFF)<<1));
			SET_LCD_CMD_PARAMETER(3,LCD_DATA,((y2&0xFF)<<10)|((y1&0xFF)<<1));

			SET_LCD_CMD_PARAMETER(4,LCD_CMD,((0x0021&0xFF00)<<2)|((0x0021&0xFF)<<1));
			SET_LCD_CMD_PARAMETER(5,LCD_DATA,((y1&0xFF)<<10)|((x1&0xFF)<<1));

			SET_LCD_CMD_PARAMETER(6,LCD_CMD,((0x0022&0xFF00)<<2)|((0x0022&0xFF)<<1));

			LCD_SEND_DMA_CMD(7);
		#endif
	#else
		LCD_CtrlWrite_HX8306A(0x0044);
		LCD_DataWrite_HX8306A((((x2&0xFF)<<8)|(x1&0xFF)));
		LCD_CtrlWrite_HX8306A(0x0045);
		LCD_DataWrite_HX8306A((((y2&0xFF)<<8)|(y1&0xFF)));
		LCD_CtrlWrite_HX8306A(0x0021);
		LCD_DataWrite_HX8306A((((y1&0xFF)<<8)|(x1&0xFF)));
		LCD_CtrlWrite_HX8306A(0x0022);
	#endif

	for (LCD_y = y1; LCD_y <= y2; LCD_y++) {
		for (LCD_x = x1; LCD_x <= x2; LCD_x++) {
		#if (defined(LCD_8BIT_MODE))
			*((volatile unsigned char *) LCD_HX8306A_DATA_ADDR) = (kal_uint8)(data >> 8);
			*((volatile unsigned char *) LCD_HX8306A_DATA_ADDR) = (kal_uint8)(data & 0x00FF);
		#elif (defined(LCD_16BIT_MODE))
			*((volatile unsigned short *) LCD_HX8306A_DATA_ADDR) = data;
		#elif (defined(LCD_18BIT_MODE))
			*((volatile unsigned int *) LCD_HX8306A_DATA_ADDR)=(r_color<<12)|(g_color<<6)|b_color;
		#elif (defined(LCD_9BIT_MODE))
			*((volatile unsigned short *) LCD_HX8306A_DATA_ADDR)=(r_color<<6)|(g_color>>3);
			*((volatile unsigned short *) LCD_HX8306A_DATA_ADDR)=((g_color&0x07)<<6)|b_color;
		#endif
		}
	}
}

void LCD_ClearAll_HX8306A(kal_uint16 data)
{
   LCD_blockClear_HX8306A(0, 0, LCD_WIDTH - 1, LCD_HEIGHT - 1, data);
}

void LCD_Init_HX8306A(kal_uint32 bkground, void **buf_addr)
{
    lcd_check = 0;

	LCD_set_reg(0x0007,0x0040);//turn off power,display off
	LCD_set_reg(0x0012,0x0000);//power control 3
	LCD_set_reg(0x0013,0x0000);//power control 4
	LCD_Delay(10);
	LCD_set_reg(0x0001,0x011b);
	LCD_set_reg(0x0002,0x0700);
	LCD_set_reg(0x0003,0x0030);//bgr=0
	LCD_set_reg(0x0004,0x0000);
	LCD_set_reg(0x0005,0x0000);
	LCD_set_reg(0x000b,0x4000);

	/*********power setting*********/
	LCD_set_reg(0x0011,0x0000);
	LCD_set_reg(0x0012,0x0008);
	LCD_set_reg(0x0013,0x1014);//VCOMH
	LCD_set_reg(0x0010,0x4040);
	LCD_Delay(10);
	LCD_set_reg(0x0012,0x0018);
	LCD_Delay(10);
	LCD_set_reg(0x0013,0x3014);//VCOMH
	LCD_Delay(10);

	/********Gamma Adjustment*********/

	LCD_set_reg(0x0030,0x0000);
	LCD_set_reg(0x0031,0x0207);
	LCD_set_reg(0x0032,0x0000);
	LCD_set_reg(0x0033,0x0401);
	LCD_set_reg(0x0034,0x0707);
	LCD_set_reg(0x0035,0x0005);
	LCD_set_reg(0x0036,0x0707);
	LCD_set_reg(0x0037,0x0000);
	LCD_set_reg(0x0038,0x0000);
	LCD_set_reg(0x0039,0x0000);
	////////////////////////////////////
	LCD_set_reg(0x0040,0x0000);
	LCD_set_reg(0x0041,0xef00);
	LCD_set_reg(0x0042,0x00db);
	LCD_set_reg(0x0043,0xdb00);
	LCD_set_reg(0x0044,0xaf00);
	LCD_set_reg(0x0045,0xdb00);
	/////////////////////////////////////
	LCD_set_reg(0x0007,0x0141);
	LCD_Delay(10);
	LCD_set_reg(0x0007,0x0161);
	LCD_Delay(10);
	LCD_set_reg(0x0007,0x0163);
	LCD_Delay(10);
	LCD_set_reg(0x0007,0x0f77);
	LCD_Delay(10);
	LCD_set_reg(0x0008,0x0202);

	LCD_ClearAll_HX8306A(0x001F);

    lcd_check = 1;
}

void LCD_PWRON_HX8306A(kal_bool on)
{
}

void LCD_SetContrast_HX8306A(kal_uint8 level)
{
}

void LCD_ON_HX8306A(kal_bool on)
{
}

void LCD_BlockWrite_HX8306A(kal_uint16 startx,kal_uint16 starty,kal_uint16 endx,kal_uint16 endy)
{
	while (LCD_IS_RUNNING);

//   ASSERT(lcd_assert_fail==KAL_FALSE);
    lcd_assert_fail = KAL_TRUE;
	#ifdef LCD_CMD_DMA_MODE
		#if (defined(LCD_8BIT_MODE))
			SET_LCD_CMD_PARAMETER(0,LCD_CMD, (0x0044 >> 8));
			SET_LCD_CMD_PARAMETER(1,LCD_CMD, (0x0044 & 0x00FF));
		    SET_LCD_CMD_PARAMETER(2,LCD_DATA, (endx & 0x00FF));
		    SET_LCD_CMD_PARAMETER(3,LCD_DATA, (startx & 0x00FF));
			SET_LCD_CMD_PARAMETER(4,LCD_CMD, (0x0045 >> 8));
			SET_LCD_CMD_PARAMETER(5,LCD_CMD, (0x0045 & 0x00FF));
			SET_LCD_CMD_PARAMETER(6,LCD_DATA, (endy & 0x00FF));
			SET_LCD_CMD_PARAMETER(7,LCD_DATA, (starty & 0x00FF));
			SET_LCD_CMD_PARAMETER(8,LCD_CMD, (0x0021 >> 8));
			SET_LCD_CMD_PARAMETER(9,LCD_CMD, (0x0021 & 0x00FF));
			SET_LCD_CMD_PARAMETER(10,LCD_DATA, (starty & 0x00FF));
			SET_LCD_CMD_PARAMETER(11,LCD_DATA, (startx & 0x00FF));
			SET_LCD_CMD_PARAMETER(12,LCD_CMD, (0x0022 >> 8));							
			SET_LCD_CMD_PARAMETER(13,LCD_CMD, (0x0022 & 0x00FF));							
    		SET_LCD_ROI_CTRL_NUMBER_OF_CMD(14);
		#elif (defined(LCD_9BIT_MODE))
		#elif (defined(LCD_16BIT_MODE))
			SET_LCD_CMD_PARAMETER(0,LCD_CMD,((0x0044&0xFF00))|((0x0044&0xFF)));
		    SET_LCD_CMD_PARAMETER(1,LCD_DATA,((endx&0xFF)<<8)|((startx&0xFF)));
			SET_LCD_CMD_PARAMETER(2,LCD_CMD,((0x0045&0xFF00))|((0x0045&0xFF)));
			SET_LCD_CMD_PARAMETER(3,LCD_DATA,((endy&0xFF)<<8)|((starty&0xFF)));
			SET_LCD_CMD_PARAMETER(4,LCD_CMD,((0x0021&0xFF00))|((0x0021&0xFF)));
			SET_LCD_CMD_PARAMETER(5,LCD_DATA,((starty&0xFF)<<8)|((startx&0xFF)));
			SET_LCD_CMD_PARAMETER(6,LCD_CMD,((0x0022&0xFF00))|((0x0022&0xFF)));							
    		SET_LCD_ROI_CTRL_NUMBER_OF_CMD(7);
		#elif (defined(LCD_18BIT_MODE))
			SET_LCD_CMD_PARAMETER(0,LCD_CMD,((0x0044&0xFF00)<<2)|((0x0044&0xFF)<<1));
			SET_LCD_CMD_PARAMETER(1,LCD_DATA,((endx&0xFF)<<10)|((startx&0xFF)<<1));
			SET_LCD_CMD_PARAMETER(2,LCD_CMD,((0x0045&0xFF00)<<2)|((0x0045&0xFF)<<1));
			SET_LCD_CMD_PARAMETER(3,LCD_DATA,((endy&0xFF)<<10)|((starty&0xFF)<<1));
			SET_LCD_CMD_PARAMETER(4,LCD_CMD,((0x0021&0xFF00)<<2)|((0x0021&0xFF)<<1));
			SET_LCD_CMD_PARAMETER(5,LCD_DATA,((starty&0xFF)<<10)|((startx&0xFF)<<1));
			SET_LCD_CMD_PARAMETER(6,LCD_CMD,((0x0022&0xFF00)<<2)|((0x0022&0xFF)<<1));
    		SET_LCD_ROI_CTRL_NUMBER_OF_CMD(7);
		#endif
		ENABLE_LCD_TRANSFER_COMPLETE_INT;
		ENABLE_LCD_ROI_CTRL_CMD_FIRST;
//		SET_LCD_ROI_CTRL_NUMBER_OF_CMD(7);
		START_LCD_TRANSFER;
	#else   /* LCD_CMD_DMA_MODE */
		LCD_CtrlWrite_HX8306A(0x0044);
		LCD_DataWrite_HX8306A((((endx&0xFF)<<8)|(startx&0xFF)));
		LCD_CtrlWrite_HX8306A(0x0045);
		LCD_DataWrite_HX8306A((((endy&0xFF)<<8)|(starty&0xFF)));
		LCD_CtrlWrite_HX8306A(0x0021);
		LCD_DataWrite_HX8306A((((starty&0xFF)<<8)|(startx&0xFF)));
		LCD_CtrlWrite_HX8306A(0x0022);

		DISABLE_LCD_TRANSFER_COMPLETE_INT;
		DISABLE_LCD_ROI_CTRL_CMD_FIRST;
		START_LCD_TRANSFER;
    #endif /* LCD_CMD_DMA_MODE */

    lcd_assert_fail = KAL_FALSE;
}

void LCD_Size_HX8306A(kal_uint16 *out_LCD_width, kal_uint16 *out_LCD_height)
{
   	*out_LCD_width = LCD_WIDTH;
   	*out_LCD_height = LCD_HEIGHT;
}

/*Engineering mode*/
kal_uint8 LCD_GetParm_HX8306A(lcd_func_type type)
{
    switch(type) {
    case lcd_Bais_func:
        return 1;

    case lcd_Contrast_func:
        return 1;

    case lcd_LineRate_func:
        return 4;

    case lcd_Temperature_Compensation_func:
        return 4;

    default:
        ASSERT(0);
   }

   return 100;
}

void LCD_SetBias_HX8306A(kal_uint8 *bias)
{
}

void LCD_Contrast_HX8306A(kal_uint8 *contrast)
{
}

void LCD_LineRate_HX8306A(kal_uint8 *linerate)
{
}

void LCD_Temp_Compensate_HX8306A(kal_uint8 *compensate)
{
}

kal_bool LCD_ESD_check_HX8306A()
{
    volatile  kal_uint16 data_value = 0;
    kal_uint16 data_addr = 0;
	kal_uint8 i, reg_start_idx, reg_end_idx;
	

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