path: root/drivers/misc/mediatek/dispsys/mt6735/ddp_dpi.c

#ifdef BUILD_UBOOT
#define ENABLE_DSI_INTERRUPT 0 

#include <asm/arch/disp_drv_platform.h>
#else
#include <linux/delay.h>
#include <linux/time.h>
#include <linux/string.h>
#include <linux/mutex.h>

#include "cmdq_record.h"
#include <disp_drv_log.h>
#endif
#include <debug.h>

#include "mach/mt_typedefs.h"
#include <mach/sync_write.h>
#include <mach/mt_clkmgr.h>
#include <mach/irqs.h>

#include <linux/sched.h>
#include <linux/interrupt.h>
#include <linux/wait.h>

#include "mtkfb.h"
#include "ddp_drv.h"
#include "ddp_hal.h"
#include "ddp_manager.h"
#include "ddp_dpi_reg.h"
#include "ddp_dpi.h"
#include "ddp_reg.h"
#include "ddp_log.h"

#include <linux/of.h>
#include <linux/of_irq.h>
#include <mach/eint.h>
#define LOG_TAG "DPI" 
#define ENABLE_DPI_INTERRUPT        0
//#define DIABLE_CLOCK_API

#define K2_SMT
static int cache_bg_parameter = 0;


#undef LCD_BASE
#define LCD_BASE (0xF4024000)
#define DPI_REG_OFFSET(r)       offsetof(DPI_REGS, r)
#define REG_ADDR(base, offset)  (((BYTE *)(base)) + (offset))


#ifdef INREG32
#undef INREG32
#define INREG32(x)          (__raw_readl((unsigned long*)(x)))
#endif

/*
#if 0
static int dpi_reg_op_debug = 0;

#define DPI_OUTREG32(cmdq, addr, val) \
  	{\
  		if(dpi_reg_op_debug) \
			printk("[dsi/reg]0x%08x=0x%08x, cmdq:0x%08x\n", addr, val, cmdq);\
		if(cmdq) \
			cmdqRecWrite(cmdq, (unsigned int)(addr)&0x1fffffff, val, ~0); \
		else \
			mt65xx_reg_sync_writel(val, addr);}
#else
#define DPI_OUTREG32(cmdq, addr, val) \
  	{\
  	mt_reg_sync_writel(val, addr);}
		//mt65xx_reg_sync_writel(val, addr);}

#endif
*/
#define DPI_OUTREG32(cmdq, addr, val)           DISP_REG_SET(cmdq, addr,val)
#define DPI_OUTREGBIT(cmdq, TYPE,REG,bit,value)  \
	do {\
		TYPE r;\
		TYPE v;\
		if(cmdq)		{*(unsigned int*)(&r) = ((unsigned int)0x00000000);r.bit = ~(r.bit);*(unsigned int*)(&v) = ((unsigned int)0x00000000);v.bit = value;DISP_REG_MASK(cmdq, &REG, AS_UINT32(&v), AS_UINT32(&r));}		\
		else{mt_reg_sync_writel(INREG32(&REG),&r);r.bit = (value);		DISP_REG_SET(cmdq, &REG, INREG32(&r));}				\
	} while (0);
#define DPI_MASKREG32(cmdq, REG, MASK, VALUE)  	DISP_REG_MASK((cmdq), (REG), (VALUE), (MASK));

static BOOL s_isDpiPowerOn = FALSE;
static BOOL s_isDpiStart   = FALSE;
static BOOL s_isDpiConfig  = FALSE;
static BOOL s_isCmdqInited = FALSE;

static int dpi_vsync_irq_count   = 0;
static int dpi_undflow_irq_count = 0;

static DPI_REGS regBackup;
PDPI_REGS DPI_REG = 0;
static const LCM_UTIL_FUNCS lcm_utils_dpi;

static void (*dpiIntCallback)(DISP_INTERRUPT_EVENTS);
static cmdqRecHandle CMDQ_Handle;

const UINT32 BACKUP_DPI_REG_OFFSETS[] =
{
    DPI_REG_OFFSET(INT_ENABLE),
    DPI_REG_OFFSET(CNTL),
    DPI_REG_OFFSET(SIZE),    

    DPI_REG_OFFSET(TGEN_HWIDTH),
    DPI_REG_OFFSET(TGEN_HPORCH),
    DPI_REG_OFFSET(TGEN_VWIDTH_LODD),
    DPI_REG_OFFSET(TGEN_VPORCH_LODD),

    DPI_REG_OFFSET(BG_HCNTL),  
    DPI_REG_OFFSET(BG_VCNTL),
    DPI_REG_OFFSET(BG_COLOR),

    DPI_REG_OFFSET(TGEN_VWIDTH_LEVEN),
    DPI_REG_OFFSET(TGEN_VPORCH_LEVEN),
    DPI_REG_OFFSET(TGEN_VWIDTH_RODD),

    DPI_REG_OFFSET(TGEN_VPORCH_RODD),
    DPI_REG_OFFSET(TGEN_VWIDTH_REVEN),

    DPI_REG_OFFSET(TGEN_VPORCH_REVEN),
    DPI_REG_OFFSET(ESAV_VTIM_LOAD),
    DPI_REG_OFFSET(ESAV_VTIM_ROAD),
    DPI_REG_OFFSET(ESAV_FTIM),
};

/*the static functions declare*/
static void lcm_udelay(UINT32 us)
{
	udelay(us);
}

static void lcm_mdelay(UINT32 ms)
{
	msleep(ms);
}

static void lcm_set_reset_pin(UINT32 value)
{
#ifndef K2_SMT
	DPI_OUTREG32(0, MMSYS_CONFIG_BASE+0x150, value);
#endif
}

static void lcm_send_cmd(UINT32 cmd)
{
#ifndef K2_SMT
	DPI_OUTREG32(0, LCD_BASE+0x0F80, cmd);
#endif
}

static void lcm_send_data(UINT32 data)
{
#ifndef K2_SMT
	DPI_OUTREG32(0, LCD_BASE+0x0F90, data);
#endif
}

static void _BackupDPIRegisters(void)
{
    UINT32 i;
    DPI_REGS *reg = &regBackup;

    for (i = 0; i < ARY_SIZE(BACKUP_DPI_REG_OFFSETS); ++i)
    {
        DPI_OUTREG32(0, REG_ADDR(reg, BACKUP_DPI_REG_OFFSETS[i]),
                 AS_UINT32(REG_ADDR(DPI_REG, BACKUP_DPI_REG_OFFSETS[i])));
    }
}

static void _RestoreDPIRegisters(void)
{
    UINT32 i;
    DPI_REGS *reg = &regBackup;

    for (i = 0; i < ARY_SIZE(BACKUP_DPI_REG_OFFSETS); ++i)
    {
        DPI_OUTREG32(0, REG_ADDR(DPI_REG, BACKUP_DPI_REG_OFFSETS[i]),
                 AS_UINT32(REG_ADDR(reg, BACKUP_DPI_REG_OFFSETS[i])));
    }
}

/*the fuctions declare*/
/*DPI clock setting - use TVDPLL provide DPI clock*/
DPI_STATUS ddp_dpi_ConfigPclk(cmdqRecHandle cmdq, unsigned int clk_req, DPI_POLARITY polarity)
{
    UINT32 clksrc = 0;
    UINT32 prediv = 0x8316D89D;
    DPI_REG_OUTPUT_SETTING ctrl = DPI_REG->OUTPUT_SETTING;
	UINT32 temp = 0;

    switch(clk_req)
    {
        case DPI_CLK_480p:
        {
#ifdef HDMI_MT8193_SUPPORT
            clksrc = 3;
#else
            clksrc = 4;
#endif
            prediv = 0x83109D89;//54M
            break;
        }
        case DPI_CLK_480p_3D:
        {
			pr_warn("DISP/DPI " "DPI_CLK_480p_3D\n");	
            clksrc = 4;
            prediv = 0x83109D89;//54M
            break;
        }
        case DPI_CLK_720p:
        {
            clksrc = 2;         //148M
            break;
        }
        case DPI_CLK_1080p:
        {
            clksrc = 1;         //296M
            break;
        }
        default:
        {
            pr_warn("DISP/DPI,unknown clock frequency: %d \n", clk_req);
            break;
        }
    }

    pr_warn("DISP/DPI,TVDPLL clock setting clk %d, clksrc: %d\n", clk_req,  clksrc);

    clkmux_sel(MT_MUX_DPI0, clksrc, "DPI"); 
	DPI_OUTREG32(NULL, TVDPLL_CON0, 0xc0000101); // TVDPLL enable
	DPI_OUTREG32(NULL, TVDPLL_CON1, prediv);	 // set TVDPLL output clock frequency 
	pr_warn("DISP/DPI,TVDPLL_CON0: 0x%x, TVDPLL_CON1: 0x%x\n", INREG32(TVDPLL_CON0),  INREG32(TVDPLL_CON1));

/*
#ifdef CONFIG_FOR_ARCH_M1
	pr_warn("DISP/DPI,CONFIG_FOR_ARCH_M1 is defined!\n");
	//Timing Set
	UINT32 permission = INREG32(DISPSYS_TIMING2);
	pr_warn("DISP/DPI,DISPSYS_TIMING1: 0x%x\n", INREG32(DISPSYS_TIMING1));
	pr_warn("DISP/DPI,DISPSYS_TIMING2: 0x%x\n", permission);
	if((permission & 0xC0000000) == 0)
	{
		DPI_OUTREG32(NULL, DISPSYS_TIMING3, 0xFD885CAE);
		DPI_OUTREG32(NULL, DISPSYS_TIMING1, 0x3600000);
		pr_warn("DISP/DPI,DISPSYS_TIMING3: 0x%x, DISPSYS_TIMING1: 0x%x\n", INREG32(DISPSYS_TIMING3), INREG32(DISPSYS_TIMING1));
	}

	//IO Driving Set
	//data 8ma, vs/hs/de/ck 
	DPI_MASKREG32(NULL, DISPSYS_IO_DRIVING1, 0x6000, 0x1 << 13);
	DPI_MASKREG32(NULL, DISPSYS_IO_DRIVING2, 0x0600, 0x1 << 9);
	DPI_MASKREG32(NULL, DISPSYS_IO_DRIVING2, 0x0060, 0x1 << 5);
	DPI_MASKREG32(NULL, DISPSYS_IO_DRIVING2, 0x0006, 0x1 << 1);
	DPI_MASKREG32(NULL, DISPSYS_IO_DRIVING3, 0x0006, 0x1 << 1);
#endif

#ifdef CONFIG_FOR_ARCH_M3
	pr_warn("DISP/DPI,CONFIG_FOR_ARCH_M3 is defined!\n");
	//Timing Set
	UINT32 permission = INREG32(DISPSYS_TIMING2);
	pr_warn("DISP/DPI,DISPSYS_TIMING1: 0x%x\n", INREG32(DISPSYS_TIMING1));
	pr_warn("DISP/DPI,DISPSYS_TIMING2: 0x%x\n", permission);
	if((permission & 0xC0000000) == 0)
	{
		DPI_OUTREG32(NULL, DISPSYS_TIMING3, 0xFD885CAE);
		temp = INREG32(DISPSYS_TIMING1);
		temp = (temp & 0xFC7FFFFF) | (5 << 23);
		DPI_OUTREG32(NULL, DISPSYS_TIMING1, temp);

		pr_warn("DISP/DPI,DISPSYS_TIMING3: 0x%x, DISPSYS_TIMING1: 0x%x\n", INREG32(DISPSYS_TIMING3), INREG32(DISPSYS_TIMING1));
	}

	//IO Driving Set
	//data 4ma, firt vs/hs/de/ck 4ma, sencond 6ma 
	DPI_MASKREG32(NULL, DISPSYS_IO_DRIVING1, 0x6000, 0x0 << 13);
	DPI_MASKREG32(NULL, DISPSYS_IO_DRIVING2, 0x0600, 0x0 << 9);
	DPI_MASKREG32(NULL, DISPSYS_IO_DRIVING2, 0x0060, 0x0 << 5);
	DPI_MASKREG32(NULL, DISPSYS_IO_DRIVING2, 0x0006, 0x0 << 1);
	DPI_MASKREG32(NULL, DISPSYS_IO_DRIVING3, 0x0006, 0x2 << 1);
#endif
*/
	pr_warn("DISP/DPI,DISPSYS_IO_DRIVING1: 0x%x, DISPSYS_IO_DRIVING2: 0x%x, DISPSYS_IO_DRIVING3: 0x%x\n", INREG32(DISPSYS_IO_DRIVING1),  INREG32(DISPSYS_IO_DRIVING2), INREG32(DISPSYS_IO_DRIVING3));

    /*DPI output clock polarity*/
    ctrl.CLK_POL = (DPI_POLARITY_FALLING == polarity) ? 1 : 0;
	DPI_OUTREGBIT(cmdq, DPI_REG_OUTPUT_SETTING, DPI_REG->OUTPUT_SETTING, CLK_POL, ctrl.CLK_POL);

    return DPI_STATUS_OK;
}

DPI_STATUS ddp_dpi_ConfigDE(cmdqRecHandle cmdq, DPI_POLARITY polarity)
{
    DPI_REG_OUTPUT_SETTING pol = DPI_REG->OUTPUT_SETTING;    
    
    pol.DE_POL = (DPI_POLARITY_FALLING == polarity) ? 1 : 0;
	DPI_OUTREGBIT(cmdq, DPI_REG_OUTPUT_SETTING, DPI_REG->OUTPUT_SETTING, DE_POL, pol.DE_POL);
    
    return DPI_STATUS_OK;
}

DPI_STATUS ddp_dpi_ConfigVsync(cmdqRecHandle cmdq, DPI_POLARITY polarity, UINT32 pulseWidth, UINT32 backPorch, UINT32 frontPorch)
{
    DPI_REG_TGEN_VWIDTH_LODD vwidth_lodd  = DPI_REG->TGEN_VWIDTH_LODD;
    DPI_REG_TGEN_VPORCH_LODD vporch_lodd  = DPI_REG->TGEN_VPORCH_LODD;
    DPI_REG_OUTPUT_SETTING pol = DPI_REG->OUTPUT_SETTING;
    DPI_REG_CNTL VS = DPI_REG->CNTL;
	
    pol.VSYNC_POL = (DPI_POLARITY_FALLING == polarity) ? 1 : 0;
    vwidth_lodd.VPW_LODD = pulseWidth;
    vporch_lodd.VBP_LODD= backPorch;
    vporch_lodd.VFP_LODD= frontPorch;

    VS.VS_LODD_EN = 1;
    VS.VS_LEVEN_EN = 0;
    VS.VS_RODD_EN = 0;
    VS.VS_REVEN_EN = 0;

	DPI_OUTREGBIT(cmdq, DPI_REG_OUTPUT_SETTING, DPI_REG->OUTPUT_SETTING, VSYNC_POL, pol.VSYNC_POL);
	
	DPI_OUTREGBIT(cmdq, DPI_REG_TGEN_VWIDTH_LODD, DPI_REG->TGEN_VWIDTH_LODD, VPW_LODD, vwidth_lodd.VPW_LODD);

	
	DPI_OUTREGBIT(cmdq, DPI_REG_TGEN_VPORCH_LODD, DPI_REG->TGEN_VPORCH_LODD, VBP_LODD, vporch_lodd.VBP_LODD);
	DPI_OUTREGBIT(cmdq, DPI_REG_TGEN_VPORCH_LODD, DPI_REG->TGEN_VPORCH_LODD, VFP_LODD, vporch_lodd.VFP_LODD);
	
	DPI_OUTREGBIT(cmdq, DPI_REG_CNTL, DPI_REG->CNTL, VS_LODD_EN, VS.VS_LODD_EN);
	DPI_OUTREGBIT(cmdq, DPI_REG_CNTL, DPI_REG->CNTL, VS_LEVEN_EN, VS.VS_LEVEN_EN);
	DPI_OUTREGBIT(cmdq, DPI_REG_CNTL, DPI_REG->CNTL, VS_RODD_EN, VS.VS_RODD_EN);
	DPI_OUTREGBIT(cmdq, DPI_REG_CNTL, DPI_REG->CNTL, VS_REVEN_EN, VS.VS_REVEN_EN);

    return DPI_STATUS_OK;
}

DPI_STATUS ddp_dpi_ConfigHsync(cmdqRecHandle cmdq, DPI_POLARITY polarity, UINT32 pulseWidth, UINT32 backPorch, UINT32 frontPorch)
{
    DPI_REG_TGEN_HPORCH hporch = DPI_REG->TGEN_HPORCH;
    DPI_REG_OUTPUT_SETTING pol = DPI_REG->OUTPUT_SETTING;
        
    hporch.HBP = backPorch;
    hporch.HFP = frontPorch;
    pol.HSYNC_POL = (DPI_POLARITY_FALLING == polarity) ? 1 : 0;
    DPI_REG->TGEN_HWIDTH = pulseWidth;
    
    DPI_OUTREG32(cmdq, &DPI_REG->TGEN_HWIDTH,pulseWidth);
	
	DPI_OUTREGBIT(cmdq, DPI_REG_TGEN_HPORCH, DPI_REG->TGEN_HPORCH, HBP, hporch.HBP);
	DPI_OUTREGBIT(cmdq, DPI_REG_TGEN_HPORCH, DPI_REG->TGEN_HPORCH, HFP, hporch.HFP);
	
	DPI_OUTREGBIT(cmdq, DPI_REG_OUTPUT_SETTING, DPI_REG->OUTPUT_SETTING, HSYNC_POL, pol.HSYNC_POL);

    return DPI_STATUS_OK;
}

DPI_STATUS ddp_dpi_ConfigDualEdge(cmdqRecHandle cmdq, bool enable, UINT32 mode)
{
    DPI_REG_OUTPUT_SETTING ctrl = DPI_REG->OUTPUT_SETTING;
    DPI_REG_DDR_SETTING ddr_setting = DPI_REG->DDR_SETTING;
	
    ctrl.DUAL_EDGE_SEL = enable;
	DPI_OUTREGBIT(cmdq, DPI_REG_OUTPUT_SETTING, DPI_REG->OUTPUT_SETTING, DUAL_EDGE_SEL, ctrl.DUAL_EDGE_SEL);

    ddr_setting.DDR_4PHASE = 1;
    ddr_setting.DDR_EN = 1;
	DPI_OUTREGBIT(cmdq, DPI_REG_DDR_SETTING, DPI_REG->DDR_SETTING, DDR_4PHASE, ddr_setting.DDR_4PHASE);
	DPI_OUTREGBIT(cmdq, DPI_REG_DDR_SETTING, DPI_REG->DDR_SETTING, DDR_EN, ddr_setting.DDR_EN);

    return DPI_STATUS_OK;
}

DPI_STATUS ddp_dpi_ConfigBG(cmdqRecHandle cmdq, bool enable, int BG_W, int BG_H)
{
    if(enable == false)
    {
        DPI_REG_CNTL pol = DPI_REG->CNTL;
        pol.BG_EN = 0;
		DPI_OUTREGBIT(cmdq, DPI_REG_CNTL, DPI_REG->CNTL, BG_EN, pol.BG_EN);
		
    }else //if(BG_W || BG_H)
    {
        DPI_REG_CNTL pol = DPI_REG->CNTL;
        pol.BG_EN = 1;
		DPI_OUTREGBIT(cmdq, DPI_REG_CNTL, DPI_REG->CNTL, BG_EN, pol.BG_EN);

        DPI_REG_BG_HCNTL pol2 = DPI_REG->BG_HCNTL;
        pol2.BG_RIGHT = BG_W/2;
        pol2.BG_LEFT  = BG_W - pol2.BG_RIGHT;
//		DPI_OUTREGBIT(cmdq, DPI_REG_BG_HCNTL, DPI_REG->BG_HCNTL, BG_RIGHT, pol2.BG_RIGHT);
//		DPI_OUTREGBIT(cmdq, DPI_REG_BG_HCNTL, DPI_REG->BG_HCNTL, BG_LEFT, pol2.BG_LEFT);
		DPI_OUTREG32(cmdq, DISPSYS_DPI_BASE + 0x30, AS_UINT32(&pol2));

        DPI_REG_BG_VCNTL pol3 = DPI_REG->BG_VCNTL;
        pol3.BG_BOT = BG_H/2;
        pol3.BG_TOP = BG_H - pol3.BG_BOT;
//		DPI_OUTREGBIT(cmdq, DPI_REG_BG_VCNTL, DPI_REG->BG_VCNTL, BG_BOT, pol3.BG_BOT);
//		DPI_OUTREGBIT(cmdq, DPI_REG_BG_VCNTL, DPI_REG->BG_VCNTL, BG_TOP, pol3.BG_TOP);
		DPI_OUTREG32(cmdq, DISPSYS_DPI_BASE + 0x34, AS_UINT32(&pol3));

        DPI_REG_BG_COLOR pol4 = DPI_REG->BG_COLOR;
        pol4.BG_B = 0;
        pol4.BG_G = 0;
        pol4.BG_R = 0;
//		DPI_OUTREGBIT(cmdq, DPI_REG_BG_COLOR, DPI_REG->BG_COLOR, BG_B, pol4.BG_B);
//		DPI_OUTREGBIT(cmdq, DPI_REG_BG_COLOR, DPI_REG->BG_COLOR, BG_G, pol4.BG_G);
//		DPI_OUTREGBIT(cmdq, DPI_REG_BG_COLOR, DPI_REG->BG_COLOR, BG_R, pol4.BG_R);
		DPI_OUTREG32(cmdq, DISPSYS_DPI_BASE + 0x38, AS_UINT32(&pol4));
    }

    return DPI_STATUS_OK;
}

DPI_STATUS ddp_dpi_ConfigSize(cmdqRecHandle cmdq, UINT32 width, UINT32 height)
{
    DPI_REG_SIZE size = DPI_REG->SIZE;
    size.WIDTH  = width;
    size.HEIGHT = height;
//	DPI_OUTREGBIT(cmdq, DPI_REG_SIZE, DPI_REG->SIZE, WIDTH, size.WIDTH);
//	DPI_OUTREGBIT(cmdq, DPI_REG_SIZE, DPI_REG->SIZE, HEIGHT, size.HEIGHT);

	DPI_OUTREG32(cmdq, DISPSYS_DPI_BASE + 0x18, AS_UINT32(&size));

    return DPI_STATUS_OK;
}

#ifdef HDMI_MT8193_SUPPORT
DPI_STATUS ddp_dpi_ConfigCCIR656(cmdqRecHandle cmdq, BOOL enable)
{
	DPI_REG_CNTL csc = DPI_REG->CNTL;
	DPI_REG_OUTPUT_SETTING outputsetting = DPI_REG->OUTPUT_SETTING;
	DPI_REG_Y_LIMIT ylimit = DPI_REG->Y_LIMIT;
	DPI_REG_C_LIMIT climit = DPI_REG->C_LIMIT;
	DPI_REG_YUV422_SETTING yuv422setting = DPI_REG->YUV422_SETTING;
	DPI_REG_EMBSYNC_SETTING embsync = DPI_REG->EMBSYNC_SETTING;
	DPI_REG_ESAV_VTIM_LOAD esavtimload = DPI_REG->ESAV_VTIM_LOAD;
		

	if(enable == FALSE)
		return DPI_STATUS_OK;
		
	csc.YUV422_EN = 1;
	csc.RGB2YUV_EN = 1;
	csc.EMBSYNC_EN = 1;
	
	DPI_OUTREGBIT(cmdq, DPI_REG_CNTL, DPI_REG->CNTL, YUV422_EN, csc.YUV422_EN);
	DPI_OUTREGBIT(cmdq, DPI_REG_CNTL, DPI_REG->CNTL, RGB2YUV_EN, csc.RGB2YUV_EN);
	DPI_OUTREGBIT(cmdq, DPI_REG_CNTL, DPI_REG->CNTL, EMBSYNC_EN, csc.EMBSYNC_EN);

	outputsetting.YC_MAP = 7;
	outputsetting.CLK_POL = 1;

	DPI_OUTREGBIT(cmdq, DPI_REG_OUTPUT_SETTING, DPI_REG->OUTPUT_SETTING, YC_MAP, outputsetting.YC_MAP);
	DPI_OUTREGBIT(cmdq, DPI_REG_OUTPUT_SETTING, DPI_REG->OUTPUT_SETTING, CLK_POL, outputsetting.CLK_POL);

	ylimit.Y_LIMIT_BOT= 0x100;
	ylimit.Y_LIMIT_TOP= 0xF00;
	climit.C_LIMIT_BOT= 0x100;
	climit.C_LIMIT_TOP= 0xF00;
	
	DPI_OUTREGBIT(cmdq, DPI_REG_Y_LIMIT, DPI_REG->Y_LIMIT, Y_LIMIT_BOT, ylimit.Y_LIMIT_BOT);
	DPI_OUTREGBIT(cmdq, DPI_REG_Y_LIMIT, DPI_REG->Y_LIMIT, Y_LIMIT_TOP, ylimit.Y_LIMIT_TOP);
	DPI_OUTREGBIT(cmdq, DPI_REG_C_LIMIT, DPI_REG->C_LIMIT, C_LIMIT_BOT, climit.C_LIMIT_BOT);
	DPI_OUTREGBIT(cmdq, DPI_REG_C_LIMIT, DPI_REG->C_LIMIT, C_LIMIT_TOP, climit.C_LIMIT_TOP);

	yuv422setting.UV_SWAP = 1;
	
	DPI_OUTREGBIT(cmdq, DPI_REG_YUV422_SETTING, DPI_REG->YUV422_SETTING, UV_SWAP, yuv422setting.UV_SWAP);

	embsync.EMBVSYNC_R_CR = 1;
	embsync.EMBVSYNC_G_Y = 1;
	embsync.EMBVSYNC_B_CB = 1;
	
	DPI_OUTREGBIT(cmdq, DPI_REG_EMBSYNC_SETTING, DPI_REG->EMBSYNC_SETTING, EMBVSYNC_R_CR, embsync.EMBVSYNC_R_CR);
	DPI_OUTREGBIT(cmdq, DPI_REG_EMBSYNC_SETTING, DPI_REG->EMBSYNC_SETTING, EMBVSYNC_G_Y, embsync.EMBVSYNC_G_Y);
	DPI_OUTREGBIT(cmdq, DPI_REG_EMBSYNC_SETTING, DPI_REG->EMBSYNC_SETTING, EMBVSYNC_B_CB, embsync.EMBVSYNC_B_CB);

	esavtimload.ESAV_VWID_LODD = 0x1E;
	
	DPI_OUTREGBIT(cmdq, DPI_REG_ESAV_VTIM_LOAD, DPI_REG->ESAV_VTIM_LOAD, ESAV_VWID_LODD, esavtimload.ESAV_VWID_LODD);


    return DPI_STATUS_OK;
}
#endif

DPI_STATUS ddp_dpi_EnableColorBar(void)
{
    /*enable internal pattern - color bar*/
    DPI_OUTREG32(0, DISPSYS_DPI_BASE + 0xF00, 0x41);

    return DPI_STATUS_OK;
}

int ddp_dpi_power_on(DISP_MODULE_ENUM module, void *cmdq_handle)
{
    int ret = 0;
    pr_warn("DISP/DPI,ddp_dpi_power_on, s_isDpiPowerOn %d\n", s_isDpiPowerOn);
    if (!s_isDpiPowerOn)
    {
#ifndef DIABLE_CLOCK_API
        ret += enable_clock(MT_CG_DISP1_DPI_PIXEL, "DPI");
        ret += enable_clock(MT_CG_DISP1_DPI_ENGINE, "DPI");
#endif
        if(ret > 0)
        {
            pr_err("DISP/DPI,power manager API return FALSE\n");
        }     
        //_RestoreDPIRegisters();
        s_isDpiPowerOn = TRUE;
    }

    return 0;
}

int ddp_dpi_power_off(DISP_MODULE_ENUM module, void *cmdq_handle)
{
    int ret = 0;
    pr_warn("DISP/DPI,ddp_dpi_power_off, s_isDpiPowerOn %d\n", s_isDpiPowerOn);
    if (s_isDpiPowerOn)
    {   
#ifndef DIABLE_CLOCK_API
        //_BackupDPIRegisters();
        ret += disable_clock(MT_CG_DISP1_DPI_PIXEL, "DPI");
        ret += disable_clock(MT_CG_DISP1_DPI_ENGINE, "DPI");
#endif
        if(ret >0)
        {
	  pr_err("DISP/DPI,power manager API return FALSE\n");
        }       
        s_isDpiPowerOn = FALSE;
    }

    return 0;

}

int ddp_dpi_config(DISP_MODULE_ENUM module, disp_ddp_path_config *config, void *cmdq_handle)
{
    if(s_isDpiConfig == FALSE)
    {
        LCM_DPI_PARAMS *dpi_config = &(config->dispif_config.dpi);
        pr_warn("DISP/DPI,ddp_dpi_config DPI status:%x, cmdq:%p, dpi_config->width:%u\n", INREG32(&DPI_REG->STATUS), cmdq_handle, dpi_config->width);
 
        ddp_dpi_ConfigPclk(cmdq_handle, dpi_config->dpi_clock, dpi_config->clk_pol);    
        ddp_dpi_ConfigSize(cmdq_handle, dpi_config->width, dpi_config->height);
        ddp_dpi_ConfigBG(cmdq_handle, true, dpi_config->bg_width, dpi_config->bg_height);
		cache_bg_parameter = dpi_config->bg_width << 16 | dpi_config->bg_height;
		pr_warn("DISP/DPI,dpi_config->bg_width: %d, dpi_config->bg_height: %d\n", dpi_config->bg_width, dpi_config->bg_height);

        ddp_dpi_ConfigDE(cmdq_handle, dpi_config->de_pol);
        ddp_dpi_ConfigVsync(cmdq_handle, dpi_config->vsync_pol, dpi_config->vsync_pulse_width,
                        dpi_config->vsync_back_porch, dpi_config->vsync_front_porch );
        ddp_dpi_ConfigHsync(cmdq_handle, dpi_config->hsync_pol, dpi_config->hsync_pulse_width,
                        dpi_config->hsync_back_porch, dpi_config->hsync_front_porch );    

        ddp_dpi_ConfigDualEdge(cmdq_handle, dpi_config->i2x_en, dpi_config->i2x_edge);

	 #ifdef HDMI_MT8193_SUPPORT
	 ddp_dpi_ConfigCCIR656(cmdq_handle, TRUE);
	 #endif

        s_isDpiConfig = TRUE;
        pr_warn("DISP/DPI,ddp_dpi_config done\n");
    }

	if(s_isDpiConfig == TRUE)
	{
		LCM_DPI_PARAMS *dpi_config = &(config->dispif_config.dpi);
		int now_bg_parameters = dpi_config->bg_width << 16 | dpi_config->bg_height;
		pr_warn("DISP/DPI,now_bg_parameters: 0x%x, cache_bg_parameter: 0x%x\n", now_bg_parameters, cache_bg_parameter);
		
		if(now_bg_parameters != cache_bg_parameter)
		{
			pr_warn("DISP/DPI,Need to rechange DPI BG\n");
	
		    //DPI_OUTREG32(cmdq_handle, DISPSYS_DPI_BASE, 0x00000000);
			//DISP_REG_CMDQ_POLLING(cmdq_handle, DISPSYS_DPI_BASE+0x40, 0, 0x00000001);
			ddp_dpi_ConfigSize(cmdq_handle, dpi_config->width, dpi_config->height);
		    ddp_dpi_ConfigBG(cmdq_handle, true, dpi_config->bg_width, dpi_config->bg_height);
			
		    //ddp_dpi_reset(module, cmdq_handle);
			//DPI_OUTREG32(cmdq_handle, DISPSYS_DPI_BASE, 0x00000001);

			cache_bg_parameter = now_bg_parameters;
		}
	}

	return 0;
}

int ddp_dpi_reset( DISP_MODULE_ENUM module, void *cmdq_handle)
{
    pr_warn("DISP/DPI,ddp_dpi_reset\n");
	
    DPI_REG_RST reset = DPI_REG->DPI_RST;
    reset.RST = 1;    
	DPI_OUTREGBIT(cmdq_handle, DPI_REG_RST, DPI_REG->DPI_RST, RST, reset.RST);
	
    
    reset.RST = 0;
	DPI_OUTREGBIT(cmdq_handle, DPI_REG_RST, DPI_REG->DPI_RST, RST, reset.RST);

    return 0;
}

int ddp_dpi_start(DISP_MODULE_ENUM module, void *cmdq)
{
	return 0;
}

int ddp_dpi_trigger(DISP_MODULE_ENUM module, void *cmdq)
{    
    if(s_isDpiStart == FALSE)
    {
        pr_warn("DISP/DPI,ddp_dpi_start\n");
        ddp_dpi_reset(module, cmdq);
        /*enable DPI*/
        DPI_OUTREG32(cmdq,  DISPSYS_DPI_BASE, 0x00000001);

        s_isDpiStart = TRUE;
    }
	return 0;
}

int ddp_dpi_stop(DISP_MODULE_ENUM module, void *cmdq_handle)
{
    pr_warn("DISP/DPI,ddp_dpi_stop\n");

    /*disable DPI and background, and reset DPI*/	

    pr_warn("DISP/DPI,DISPSYS_DPI_BASE: 0x%x\n", INREG32(DISPSYS_DPI_BASE));
    DPI_OUTREG32(cmdq_handle, DISPSYS_DPI_BASE, 0x00000000);
    pr_warn("DISP/DPI,DISPSYS_DPI_BASE: 0x%x\n", INREG32(DISPSYS_DPI_BASE));

	
    ddp_dpi_ConfigBG(cmdq_handle, false, 0, 0);
    ddp_dpi_reset(module, cmdq_handle);

    s_isDpiStart  = FALSE;
    s_isDpiConfig = FALSE;
    dpi_vsync_irq_count   = 0;
    dpi_undflow_irq_count = 0;

    return 0;
}
 
int ddp_dpi_is_busy(DISP_MODULE_ENUM module)
{
    unsigned int status = INREG32(DISPSYS_DPI_BASE+0x40);

    return (status & (0x1<<16) ? 1 : 0);
}

int ddp_dpi_is_idle(DISP_MODULE_ENUM module)
{
    return !ddp_dpi_is_busy(module);
}

#if ENABLE_DPI_INTERRUPT
/*
static irqreturn_t _DPI_InterruptHandler(int irq, void *dev_id)
{
    static int counter = 0;
    DPI_REG_INTERRUPT status = DPI_REG->INT_STATUS;
    
    if(status.VSYNC)
    {
        dpi_vsync_irq_count++;
        if(dpi_vsync_irq_count > 30)
        {
            pr_warn("DISP/DPI " "dpi vsync\n");
            dpi_vsync_irq_count = 0;
        }

        if (counter)
        {
            pr_err("DISP/DPI " "[Error] DPI FIFO is empty, "
               "received %d times interrupt !!!\n", counter);
            counter = 0;
        }
    }

    DPI_OUTREG32(0, &DPI_REG->INT_STATUS, 0);

    return IRQ_HANDLED;
}
*/
irqreturn_t _DPI_InterruptHandler(int irq, void *dev_id)
{
    unsigned int status = (unsigned int)readDPIIntrStatus();
    
    if(status & 0x01)
    {
    	unsigned int checkSumNum = (INREG32(DISPSYS_DPI_BASE+0x48) & 0x00FFFFFF);
//		pr_warn("DISP/DPI " "checkSum: %d\n", checkSumNum);
		
    	dpi_vsync_irq_count++;
    	if(dpi_vsync_irq_count > 30)
    	{
    		printk("dpi vsync\n");
    		dpi_vsync_irq_count = 0;
    	}
    }
	else if((status >> 1) & 0x01)
	{
//		if(vde_count == 1)
		{
//			DDPMSG("status.VDE interrupt coming\n");
//			vde_count = 0;
		}
		
//        atomic_set(&hdmi_dpi_config_event, 1);
//        wake_up_interruptible(&hdmi_dpi_config_wq);
	}
	else if((status >> 2) & 0x01)
	{
		//dpi_undflow_irq_count++;
		//DDPMSG("status.UNDERFLOW interrupt coming\n");
	}

	ClearDPIIntrStatus();
    return IRQ_HANDLED;
}

#endif

int ddp_dpi_init(DISP_MODULE_ENUM module, void *cmdq)
{
  pr_warn("DISP/DPI,ddp_dpi_init- %p\n", cmdq);
    
    UINT32 temp = 0x200;

#if 0 ///def MTKFB_FPGA_ONLY
    DPI_OUTREG32(cmdq,  MMSYS_CONFIG_BASE+0x108, 0xffffffff);
    DPI_OUTREG32(cmdq,  MMSYS_CONFIG_BASE+0x118, 0xffffffff);
    //DPI_OUTREG32(cmdq,  MMSYS_CONFIG_BASE+0xC08, 0xffffffff);

    DPI_OUTREG32(cmdq,  LCD_BASE+0x001C, 0x00ffffff);
    DPI_OUTREG32(cmdq,  LCD_BASE+0x0028, 0x010000C0);
    DPI_OUTREG32(cmdq,  LCD_BASE+0x002C, 0x1);
    DPI_OUTREG32(cmdq,  LCD_BASE+0x002C, 0x0);

    DPI_OUTREG32(cmdq,  DISPSYS_DPI_BASE+0x14, 0x00000000);
    DPI_OUTREG32(cmdq,  DISPSYS_DPI_BASE+0x1C, 0x00000005);

    DPI_OUTREG32(cmdq,  DISPSYS_DPI_BASE+0x20, 0x0000001A);
    DPI_OUTREG32(cmdq,  DISPSYS_DPI_BASE+0x24, 0x001A001A);
    DPI_OUTREG32(cmdq,  DISPSYS_DPI_BASE+0x28, 0x0000000A);
    DPI_OUTREG32(cmdq,  DISPSYS_DPI_BASE+0x2C, 0x000A000A);
    DPI_OUTREG32(cmdq,  DISPSYS_DPI_BASE+0x08, 0x00000007);

    DPI_OUTREG32(cmdq,  DISPSYS_DPI_BASE+0x00, 0x00000000);
#else
    ///_BackupDPIRegisters();
    ddp_dpi_power_on(DISP_MODULE_DPI, cmdq);
#endif
    
#if ENABLE_DPI_INTERRUPT
/*
    if (request_irq(DPI0_IRQ_BIT_ID,
        _DPI_InterruptHandler, IRQF_TRIGGER_LOW, "mtkdpi", NULL) < 0)
    {
        pr_info("DISP/DPI " "[ERROR] fail to request DPI irq\n");
        return DPI_STATUS_ERROR;
    }
*/

/*
    DPI_REG_INTERRUPT enInt = DPI_REG->INT_ENABLE;
    enInt.VSYNC = 1;
	DPI_OUTREGBIT(cmdq, DPI_REG_INTERRUPT, DPI_REG->INT_ENABLE, VSYNC, enInt.VSYNC);

    enInt.VDE = 1;
	DPI_OUTREGBIT(cmdq, DPI_REG_INTERRUPT, DPI_REG->INT_ENABLE, VDE, enInt.VDE);

    enInt.UNDERFLOW = 1;
	DPI_OUTREGBIT(cmdq, DPI_REG_INTERRUPT, DPI_REG->INT_ENABLE, UNDERFLOW, enInt.UNDERFLOW);
*/
#endif

	_Enable_Interrupt();
    pr_warn("DISP/DPI,ddp_dpi_init done %p\n", cmdq);

    return 0;
}

int ddp_dpi_deinit(DISP_MODULE_ENUM module, void *cmdq_handle)
{
    pr_warn("DISP/DPI,ddp_dpi_deinit- %p\n", cmdq_handle);
    ddp_dpi_stop(DISP_MODULE_DPI, cmdq_handle);
    ddp_dpi_power_off(DISP_MODULE_DPI, cmdq_handle);

    return 0;
}

int ddp_dpi_set_lcm_utils(DISP_MODULE_ENUM module, LCM_DRIVER *lcm_drv)
{
    DISPFUNC();
    LCM_UTIL_FUNCS *utils = NULL;
		
    if(lcm_drv == NULL)
    {
        pr_err("DISP/DPI,lcm_drv is null!\n");
        return -1;
    }

    utils = &lcm_utils_dpi;

    utils->set_reset_pin = lcm_set_reset_pin;
    utils->udelay        = lcm_udelay;
    utils->mdelay        = lcm_mdelay;
    utils->send_cmd      = lcm_send_cmd,
    utils->send_data     = lcm_send_data,

    lcm_drv->set_util_funcs(utils);

    return 0;
}

int ddp_dpi_build_cmdq(DISP_MODULE_ENUM module, void *cmdq_trigger_handle, CMDQ_STATE state)
{
    return 0;
}

int ddp_dpi_dump(DISP_MODULE_ENUM module, int level)
{
    UINT32 i;
    DDPDUMP("---------- Start dump DPI registers ----------\n");

    for (i = 0; i <= 0x54; i += 4)
    {
        DDPDUMP("DPI+%04x : 0x%08x\n", i, INREG32(DISPSYS_DPI_BASE + i));
    }   
    for (i = 0x68; i <= 0xd8; i += 4)
    {
        DDPDUMP("DPI+%04x : 0x%08x\n", i, INREG32(DISPSYS_DPI_BASE + i));
    }

    DDPDUMP("DPI+Color Bar : %04x : 0x%08x\n", 0xF00, INREG32(DISPSYS_DPI_BASE + 0xF00));
//    DDPDUMP("DPI Addr IO Driving : 0x%08x\n", INREG32(DISPSYS_IO_DRIVING));
/*
    DDPDUMP("DPI TVDPLL CON0 : 0x%08x\n",  INREG32(DDP_REG_TVDPLL_CON0));
    DDPDUMP("DPI TVDPLL CON1 : 0x%08x\n",  INREG32(DDP_REG_TVDPLL_CON1));
    DDPDUMP("DPI TVDPLL CON6 : 0x%08x\n",  INREG32(DDP_REG_TVDPLL_CON6));
*/
    DDPDUMP("DPI MMSYS_CG_CON1:0x%08x\n",  INREG32(DISP_REG_CONFIG_MMSYS_CG_CON1));
    DDPDUMP("io_driving1:0x:%08x\n",INREG32(DISPSYS_IO_DRIVING1));
	DDPDUMP("io_driving2:0x:%08x\n",INREG32(DISPSYS_IO_DRIVING2));
    return 0;
}

void ddp_dpi_change_io_driving(LCM_DRIVING_CURRENT io_driving)
{
	LCM_DRIVING_CURRENT vsync_io_driving = (io_driving >> 8) & 0xFF;
	LCM_DRIVING_CURRENT data_io_driving = io_driving & 0xFF;
	DDPDUMP("vsync_io_driving: 0x%x, data_io_driving: 0x%x\n",  vsync_io_driving, data_io_driving);

	switch(data_io_driving)
	{
		case 2:
		/*
		*    D[11,9] 4mA, D[8,4] 4mA, D[3,0] 4mA
		*/
			DPI_MASKREG32(NULL, DISPSYS_IO_DRIVING1, 0x6000, 0x0 << 13);
			DPI_MASKREG32(NULL, DISPSYS_IO_DRIVING2, 0x0600, 0x0 << 9);
			DPI_MASKREG32(NULL, DISPSYS_IO_DRIVING2, 0x0060, 0x0 << 5);
			break;
		case 4:
		/*
		*	 D[11,9] 8mA, D[8,4] 8mA, D[3,0] 8mA
		*/
			DPI_MASKREG32(NULL, DISPSYS_IO_DRIVING1, 0x6000, 0x1 << 13);
			DPI_MASKREG32(NULL, DISPSYS_IO_DRIVING2, 0x0600, 0x1 << 9);
			DPI_MASKREG32(NULL, DISPSYS_IO_DRIVING2, 0x0060, 0x1 << 5);
			break;
		case 6:
		/*
		*	D[11,9] 12mA, D[8,4] 12mA, D[3,0] 12mA
		*/
			DPI_MASKREG32(NULL, DISPSYS_IO_DRIVING1, 0x6000, 0x2 << 13);
			DPI_MASKREG32(NULL, DISPSYS_IO_DRIVING2, 0x0600, 0x2 << 9);
			DPI_MASKREG32(NULL, DISPSYS_IO_DRIVING2, 0x0060, 0x2 << 5);
			break;
		case 8:
		/*
		*	 D[11,9] 16mA, D[8,4] 16mA, D[3,0] 16mA
		*/
			DPI_MASKREG32(NULL, DISPSYS_IO_DRIVING1, 0x6000, 0x3 << 13);
			DPI_MASKREG32(NULL, DISPSYS_IO_DRIVING2, 0x0600, 0x3 << 9);
			DPI_MASKREG32(NULL, DISPSYS_IO_DRIVING2, 0x0060, 0x3 << 5);
			break;
		default:
			break;
	}

	switch(vsync_io_driving)
	{
		case 2:
		/*
		*    First VS/HS/DE/CK 4mA
		*/
			DPI_MASKREG32(NULL, DISPSYS_IO_DRIVING2, 0x0006, 0x0 << 1);
			break;
		case 4:
		/*
		*    First VS/HS/DE/CK 8mA
		*/
			DPI_MASKREG32(NULL, DISPSYS_IO_DRIVING2, 0x0006, 0x1 << 1);
			break;
		case 6:
		/*
		*     First VS/HS/DE/CK 12mA
		*/
			DPI_MASKREG32(NULL, DISPSYS_IO_DRIVING2, 0x0006, 0x2 << 1);
			break;
		case 8:
		/*
		*	First VS/HS/DE/CK 16mA
		*/
			DPI_MASKREG32(NULL, DISPSYS_IO_DRIVING2, 0x0006, 0x3 << 1);
			break;
		case 1+8:
		/*
		*	 Sencode VS/HS/DE/CK 2mA
		*/
			DPI_MASKREG32(NULL, DISPSYS_IO_DRIVING3, 0x0006, 0x0 << 1);
			break;
		case 2+8:
		/*
		*	 Sencode VS/HS/DE/CK 4mA
		*/
			DPI_MASKREG32(NULL, DISPSYS_IO_DRIVING3, 0x0006, 0x1 << 1);
			break;
		case 3+8:
		/*
		*	 Sencode VS/HS/DE/CK 6mA
		*/
			DPI_MASKREG32(NULL, DISPSYS_IO_DRIVING3, 0x0006, 0x2 << 1);
			break;
		case 4+8:
		/*
		*	 Sencode VS/HS/DE/CK 8mA
		*/
			DPI_MASKREG32(NULL, DISPSYS_IO_DRIVING3, 0x0006, 0x3 << 1);
			break;
		default:
			break;
	}

	pr_warn("DISP/DPI,DISPSYS_IO_DRIVING1: 0x%x, DISPSYS_IO_DRIVING2: 0x%x, DISPSYS_IO_DRIVING3: 0x%x\n", INREG32(DISPSYS_IO_DRIVING1),  INREG32(DISPSYS_IO_DRIVING2), INREG32(DISPSYS_IO_DRIVING3));
	return ;
}

int ddp_dpi_ioctl(DISP_MODULE_ENUM module, void *cmdq_handle, unsigned int ioctl_cmd, unsigned long *params)
{
    DISPFUNC();
    
    int ret = 0;
    DDP_IOCTL_NAME ioctl = (DDP_IOCTL_NAME)ioctl_cmd;
    pr_debug("DISP/DPI,DPI ioctl: %d \n", ioctl);

    switch(ioctl)
    {
        case DDP_DPI_FACTORY_TEST:
        {
            disp_ddp_path_config *config_info = (disp_ddp_path_config *)params;

            ddp_dpi_power_on(module, NULL);
            ddp_dpi_stop(module, NULL);
            ddp_dpi_config(module, config_info, NULL);
            ddp_dpi_EnableColorBar();

			pr_warn("DISP/DPI,Before: DISPSYS_IO_DRIVING1: 0x%x, DISPSYS_IO_DRIVING2: 0x%x, DISPSYS_IO_DRIVING3: 0x%x\n", INREG32(DISPSYS_IO_DRIVING1),  INREG32(DISPSYS_IO_DRIVING2), INREG32(DISPSYS_IO_DRIVING3));
			
			if(config_info->dispif_config.dpi.io_driving_current != LCM_DRIVING_CURRENT_DEFAULT)
			{
				pr_warn("DISP/DPI,Before: DISPSYS_IO_DRIVING1: 0x%x, DISPSYS_IO_DRIVING2: 0x%x, DISPSYS_IO_DRIVING3: 0x%x\n", INREG32(DISPSYS_IO_DRIVING1),  INREG32(DISPSYS_IO_DRIVING2), INREG32(DISPSYS_IO_DRIVING3));
				pr_debug("DISP/DPI,Change IO Driving: 0x%x\n", config_info->dispif_config.dpi.io_driving_current);
				ddp_dpi_change_io_driving(config_info->dispif_config.dpi.io_driving_current);
			}

            ddp_dpi_trigger(module, NULL);
            ddp_dpi_start(module, NULL);
            ddp_dpi_dump(module, 1);
            break;
        }
        default:
            break;
    }
    
    return ret;
}

DDP_MODULE_DRIVER ddp_driver_dpi = 
{
    .module        = DISP_MODULE_DPI,
    .init          = ddp_dpi_init,
    .deinit        = ddp_dpi_deinit,
    .config        = ddp_dpi_config,
    .build_cmdq    = ddp_dpi_build_cmdq,
    .trigger       = ddp_dpi_trigger,
   	.start         = ddp_dpi_start,
   	.stop          = ddp_dpi_stop,
   	.reset         = ddp_dpi_reset,
   	.power_on      = ddp_dpi_power_on,
   	.power_off     = ddp_dpi_power_off,
   	.is_idle       = ddp_dpi_is_idle,
   	.is_busy       = ddp_dpi_is_busy,
   	.dump_info     = ddp_dpi_dump,
   	.set_lcm_utils = ddp_dpi_set_lcm_utils,
   	.ioctl         = ddp_dpi_ioctl
};
/*****************************DPI DVT Case Start********************************/
DPI_STATUS DPI_EnableColorBar(unsigned int pattern)
{
//	OUTREG32(DISPSYS_DPI_BASE + 0xF00, 0x41);//
	OUTREG32(DISPSYS_DPI_BASE+ 0xF00, pattern);

    return DPI_STATUS_OK;
}

DPI_STATUS DPI_DisableColorBar(void)
{
	OUTREG32(DISPSYS_DPI_BASE+ 0xF00, 0);

    return DPI_STATUS_OK;
}

DPI_STATUS ddp_dpi_EnableColorBar_16(void)
{
    /*enable internal pattern - color bar*/
    DPI_OUTREG32(0, DISPSYS_DPI_BASE + 0xF00, 0x10101051);

    return DPI_STATUS_OK;
}

DPI_STATUS ddp_dpi_EnableColorBar_0(void)
{
    /*enable internal pattern - color bar*/
    DPI_OUTREG32(0, DISPSYS_DPI_BASE + 0xF00, 0x51);

    return DPI_STATUS_OK;
}

/****************************Platform IRQ*****************************/
#if ENABLE_DPI_INTERRUPT
static int dpi_irq = 0;  // dpi  IRQ
int get_eint_dpi_irq(void)
{
	dpi_irq = 0;
    if (dpi_irq < 1)
    {
        struct device_node *node;
        node = of_find_compatible_node(NULL, NULL, "mediatek,DPI0");
        if(node)
        {
            // this step will set irq feature by dtsi 
            dpi_irq = irq_of_parse_and_map(node, 0);		
            if(!dpi_irq) 
            {
                printk("can't irq_of_parse_and_map!\n");
                dpi_irq = 0;
            }
			else
			{
				pr_warn("DISP/DPI,DPI Irq Num: %d\n", dpi_irq);
			}
        }
		else
		{
			pr_warn("DISP/DPI,mediatek,DPI0 not find\n");
		}
    }
    
    return dpi_irq;
}
#endif

int _Enable_Interrupt(void)
{
#if ENABLE_DPI_INTERRUPT
	int ret;
	int dpi_irq_num = get_eint_dpi_irq();
	if (dpi_irq_num > 0)
	{
		ret = request_irq(dpi_irq_num, &_DPI_InterruptHandler, IRQF_TRIGGER_NONE, "mediatek,DPI0", NULL);	
		if(ret > 0)
		{
			printk("eint irq %d not available\n", dpi_irq_num);
		}
	}
	else
	{
		printk("%s,%d Error: DPI intr is not defined\n", __func__, __LINE__);
	}
#else
/*
	if (request_irq(DPI0_IRQ_BIT_ID,
		_DPI_InterruptHandler, IRQF_TRIGGER_LOW, "mtkdpi", NULL) < 0)
	{
		pr_info("DISP/DPI " "[ERROR] fail to request DPI irq\n");
		return DPI_STATUS_ERROR;
	}
*/
#endif

	DPI_REG_INTERRUPT enInt = DPI_REG->INT_ENABLE;
	enInt.VSYNC = 1;
	enInt.VDE = 1;
	enInt.UNDERFLOW = 1;
	OUTREG32(&DPI_REG->INT_ENABLE, AS_UINT32(&enInt));

	return 0;
}