static int win1_open(struct rk3066b_lcdc_device *lcdc_dev,bool open)
{
	spin_lock(&lcdc_dev->reg_lock);
	if(likely(lcdc_dev->clk_on))
	{
		if(open)
		{
			if(!lcdc_dev->atv_layer_cnt)
			{
				printk("lcdc%d wakeup from stanby\n",lcdc_dev->id);
				LcdMskReg(lcdc_dev, SYS_CFG,m_LCDC_STANDBY,v_LCDC_STANDBY(0));
			}
			lcdc_dev->atv_layer_cnt++;
		}
		else
		{
			lcdc_dev->atv_layer_cnt--;
		}
		lcdc_dev->driver.layer_par[1]->state = open;
		
		LcdMskReg(lcdc_dev, SYS_CFG, m_W1_EN, v_W1_EN(open));
		if(!lcdc_dev->atv_layer_cnt)  //if no layer used,disable lcdc
		{
			printk(KERN_INFO "no layer of lcdc%d is used,go to standby!",lcdc_dev->id);
			LcdMskReg(lcdc_dev, SYS_CFG,m_LCDC_STANDBY,v_LCDC_STANDBY(1));
		}
		LCDC_REG_CFG_DONE();
	}
	spin_unlock(&lcdc_dev->reg_lock);
	printk(KERN_INFO "lcdc%d win1 %s\n",lcdc_dev->id,open?"open":"closed");
	return 0;
}
static int rk3066b_lcdc_blank(struct rk_lcdc_device_driver*lcdc_drv,int layer_id,int blank_mode)
{
	struct rk3066b_lcdc_device * lcdc_dev = container_of(lcdc_drv,struct rk3066b_lcdc_device ,driver);

	spin_lock(&lcdc_dev->reg_lock);
	if(likely(lcdc_dev->clk_on))
	{
		switch(blank_mode)
	    	{
	    		case FB_BLANK_UNBLANK:
	      			LcdMskReg(lcdc_dev,DSP_CTRL1,m_BLANK_MODE ,v_BLANK_MODE(0));
				break;
	    		case FB_BLANK_NORMAL:
	         		LcdMskReg(lcdc_dev,DSP_CTRL1,m_BLANK_MODE ,v_BLANK_MODE(1));
				break;
	    		default:
				LcdMskReg(lcdc_dev,DSP_CTRL1,m_BLANK_MODE ,v_BLANK_MODE(1));
				break;
		}
		LCDC_REG_CFG_DONE();
		printk(KERN_INFO "%s>>>>>%d\n",__func__, blank_mode);
	}
	spin_unlock(&lcdc_dev->reg_lock);
	
    	return 0;
}
Example #3
0
int rk3066b_lcdc_early_suspend(struct rk_lcdc_device_driver *dev_drv)
{
	struct rk3066b_lcdc_device *lcdc_dev = container_of(dev_drv,struct rk3066b_lcdc_device,driver);
	
	spin_lock(&lcdc_dev->reg_lock);
	if(likely(lcdc_dev->clk_on))
	{
		lcdc_dev->clk_on = 0;
		LcdMskReg(lcdc_dev, INT_STATUS, m_FRM_STARTCLEAR, v_FRM_STARTCLEAR(1));
		LcdMskReg(lcdc_dev, SYS_CFG,m_LCDC_STANDBY,v_LCDC_STANDBY(1));
		LCDC_REG_CFG_DONE();
		spin_unlock(&lcdc_dev->reg_lock);
	}
	else  //clk already disabled
	{
		spin_unlock(&lcdc_dev->reg_lock);
		return 0;
	}
	
		
	mdelay(1);
	clk_disable(lcdc_dev->dclk);
	clk_disable(lcdc_dev->hclk);
	clk_disable(lcdc_dev->aclk);
	clk_disable(lcdc_dev->pd);

	return 0;
}
Example #4
0
static int win1_set_par(struct rk3066b_lcdc_device *lcdc_dev,rk_screen *screen,
	struct layer_par *par )
{
	u32 xact, yact, xvir, yvir, xpos, ypos;
	u32 ScaleYrgbX = 0x1000;
	u32 ScaleYrgbY = 0x1000;
	u32 ScaleCbrX = 0x1000;
	u32 ScaleCbrY = 0x1000;
	u8 fmt_cfg;
	
	xact = par->xact;			
	yact = par->yact;
	xvir = par->xvir;		
	yvir = par->yvir;
	xpos = par->xpos+screen->left_margin + screen->hsync_len;
	ypos = par->ypos+screen->upper_margin + screen->vsync_len;
	
	ScaleYrgbX = CalScale(xact, par->xsize);
	ScaleYrgbY = CalScale(yact, par->ysize);
	DBG(1,"%s for lcdc%d>>format:%d>>>xact:%d>>yact:%d>>xsize:%d>>ysize:%d>>xvir:%d>>yvir:%d>>xpos:%d>>ypos:%d>>\n",
		__func__,lcdc_dev->id,par->format,xact,yact,par->xsize,par->ysize,xvir,yvir,xpos,ypos);

	
	spin_lock(&lcdc_dev->reg_lock);
	if(likely(lcdc_dev->clk_on))
	{
		switch (par->format)
	 	{
			case ARGB888:
				fmt_cfg = 0;
				break;
			case RGB565:
				fmt_cfg = 1;
				break;
			default:
				break;
		}

		LcdMskReg(lcdc_dev,SYS_CFG, m_W1_FORMAT, v_W1_FORMAT(fmt_cfg));
		LcdWrReg(lcdc_dev, WIN1_DSP_ST,v_DSP_STX(xpos) | v_DSP_STY(ypos));
		LcdWrReg(lcdc_dev, WIN1_DSP_INFO,v_DSP_WIDTH(par->xsize) | v_DSP_HEIGHT(par->ysize));
		// enable win1 color key and set the color to black(rgb=0)
		LcdMskReg(lcdc_dev,WIN1_COLOR_KEY_CTRL, m_COLORKEY_EN | m_KEYCOLOR,v_COLORKEY_EN(0) | v_KEYCOLOR(0));
		LcdWrReg(lcdc_dev,WIN1_VIR,v_VIRWIDTH(xvir));
		
		//LCDC_REG_CFG_DONE(); 
	}
	spin_unlock(&lcdc_dev->reg_lock);
    return 0;
}
static int rk3066b_lcdc_open(struct rk_lcdc_device_driver *dev_drv,int layer_id,bool open)
{
	int i=0;
	int __iomem *c;
	int v;
	struct rk3066b_lcdc_device *lcdc_dev = container_of(dev_drv,struct rk3066b_lcdc_device,driver);

	if((open) && (!lcdc_dev->atv_layer_cnt)) //enable clk,when first layer open
	{
		rk3066b_lcdc_clk_enable(lcdc_dev);
		rk3066b_lcdc_reg_resume(lcdc_dev); //resume reg
		LcdMskReg(lcdc_dev, SYS_CFG,m_LCDC_STANDBY,v_LCDC_STANDBY(0));
		rk3066b_load_screen(dev_drv,1);
		spin_lock(&lcdc_dev->reg_lock);
		if(dev_drv->cur_screen->dsp_lut)			//resume dsp lut
		{
			LcdMskReg(lcdc_dev,SYS_CFG,m_DSIP_LUT_CTL,v_DSIP_LUT_CTL(0));
			LCDC_REG_CFG_DONE();

			mdelay(25); //wait for dsp lut disabled
			for(i=0;i<256;i++)
			{
				v = dev_drv->cur_screen->dsp_lut[i];
				c = lcdc_dev->dsp_lut_addr_base+i;
				writel_relaxed(v,c);
			}
			LcdMskReg(lcdc_dev,SYS_CFG,m_DSIP_LUT_CTL,v_DSIP_LUT_CTL(1));//enable dsp lut
		}
		spin_unlock(&lcdc_dev->reg_lock);
	}
	if(layer_id == 0)
	{
		win0_open(lcdc_dev,open);	
	}
	else if(layer_id == 1)
	{
		win1_open(lcdc_dev,open);
	}
	
	if((!open) && (!lcdc_dev->atv_layer_cnt))  //when all layer closed,disable clk
	{
		LcdMskReg(lcdc_dev, INT_STATUS, m_FRM_STARTCLEAR, v_FRM_STARTCLEAR(1));
		LcdMskReg(lcdc_dev, SYS_CFG,m_LCDC_STANDBY,v_LCDC_STANDBY(1));
		LCDC_REG_CFG_DONE();
		rk3066b_lcdc_clk_disable(lcdc_dev);
	}
	return 0;
}
/***********************************
overlay manager
swap:1 win0 on the top of win1
        0 win1 on the top of win0
set  : 1 set overlay 
        0 get overlay state
************************************/
static int rk3066b_lcdc_ovl_mgr(struct rk_lcdc_device_driver *dev_drv,int swap,bool set)
{
	struct rk3066b_lcdc_device *lcdc_dev = container_of(dev_drv,struct rk3066b_lcdc_device,driver);
	int ovl;
	spin_lock(&lcdc_dev->reg_lock);
	if(lcdc_dev->clk_on)
	{
		if(set)  //set overlay
		{
			LcdMskReg(lcdc_dev,DSP_CTRL0,m_W0W1_POSITION_SWAP,v_W0W1_POSITION_SWAP(swap));
			LcdWrReg(lcdc_dev, REG_CFG_DONE, 0x01);
			LCDC_REG_CFG_DONE();
			ovl = swap;
		}
		else  //get overlay
		{
			ovl = LcdReadBit(lcdc_dev,DSP_CTRL0,m_W0W1_POSITION_SWAP);
		}
	}
	else
	{
		ovl = -EPERM;
	}
	spin_unlock(&lcdc_dev->reg_lock);

	return ovl;
}
int rk3066b_lcdc_pan_display(struct rk_lcdc_device_driver * dev_drv,int layer_id)
{
	struct rk3066b_lcdc_device *lcdc_dev = container_of(dev_drv,struct rk3066b_lcdc_device,driver);
	struct layer_par *par = NULL;
	rk_screen *screen = dev_drv->cur_screen;
	unsigned long flags;
	int timeout;
	if(!screen)
	{
		printk(KERN_ERR "screen is null!\n");
		return -ENOENT;	
	}
	if(layer_id==0)
	{
		par = dev_drv->layer_par[0];
        	win0_display(lcdc_dev,par);
	}
	else if(layer_id==1)
	{
		par = dev_drv->layer_par[1];
        	win1_display(lcdc_dev,par);
	}
	if((dev_drv->first_frame))  //this is the first frame of the system ,enable frame start interrupt
	{
		dev_drv->first_frame = 0;
		LcdMskReg(lcdc_dev,INT_STATUS,m_HOR_STARTMASK | m_FRM_STARTMASK | m_SCANNING_MASK | 
			m_HOR_STARTCLEAR | m_FRM_STARTCLEAR |m_SCANNING_CLEAR | m_SCAN_LINE_NUM,
			  v_HOR_STARTMASK(1) | v_FRM_STARTMASK(0) | v_SCANNING_MASK(0) |
			  v_HOR_STARTCLEAR(1) | v_FRM_STARTCLEAR(1) | v_SCANNING_CLEAR(1) |
			  //v_SCANNING_CLEAR(screen->vsync_len + screen->upper_margin+screen->y_res -1));
			  v_SCAN_LINE_NUM(screen->vsync_len + screen->upper_margin+screen->y_res -1));
		LCDC_REG_CFG_DONE();  // write any value to  REG_CFG_DONE let config become effective
		 
	}

#if 0
	if(dev_drv->num_buf < 3) //3buffer ,no need to  wait for sysn
	{
		spin_lock_irqsave(&dev_drv->cpl_lock,flags);
		init_completion(&dev_drv->frame_done);
		spin_unlock_irqrestore(&dev_drv->cpl_lock,flags);
		timeout = wait_for_completion_timeout(&dev_drv->frame_done,msecs_to_jiffies(dev_drv->cur_screen->ft+5));
		if(!timeout&&(!dev_drv->frame_done.done))
		{
			printk(KERN_ERR "wait for new frame start time out!\n");
			return -ETIMEDOUT;
		}
	}
#endif
	
	return 0;
}
static int rk3066b_lcdc_deinit(struct rk3066b_lcdc_device *lcdc_dev)
{
	spin_lock(&lcdc_dev->reg_lock);
	if(likely(lcdc_dev->clk_on))
	{
		lcdc_dev->clk_on = 0;
		LcdMskReg(lcdc_dev, INT_STATUS, m_FRM_STARTCLEAR, v_FRM_STARTCLEAR(1));
		LcdMskReg(lcdc_dev, INT_STATUS,m_HOR_STARTMASK| m_FRM_STARTMASK | 
    	      		  m_SCANNING_MASK, v_HOR_STARTMASK(1) | v_FRM_STARTMASK(1) | 
    	                  v_SCANNING_MASK(1));  //mask all interrupt in init
		LcdSetBit(lcdc_dev,SYS_CFG,m_LCDC_STANDBY);
		LCDC_REG_CFG_DONE();
		spin_unlock(&lcdc_dev->reg_lock);
	}
	else   //clk already disabled 
	{
		spin_unlock(&lcdc_dev->reg_lock);
		return 0;
	}
	mdelay(1);
	
	return 0;
}
Example #9
0
static irqreturn_t rk3066b_lcdc_isr(int irq, void *dev_id)
{
	struct rk3066b_lcdc_device *lcdc_dev = (struct rk3066b_lcdc_device *)dev_id;
	
	LcdMskReg(lcdc_dev, INT_STATUS, m_FRM_STARTCLEAR, v_FRM_STARTCLEAR(1));
	LCDC_REG_CFG_DONE();
	//LcdMskReg(lcdc_dev, INT_STATUS, m_LINE_FLAG_INT_CLEAR, v_LINE_FLAG_INT_CLEAR(1));
 
	if(lcdc_dev->driver.num_buf < 3)  //three buffer ,no need to wait for sync
	{
		spin_lock(&(lcdc_dev->driver.cpl_lock));
		complete(&(lcdc_dev->driver.frame_done));
		spin_unlock(&(lcdc_dev->driver.cpl_lock));
	}
	return IRQ_HANDLED;
}
Example #10
0
int rk3066b_lcdc_early_resume(struct rk_lcdc_device_driver *dev_drv)
{  
	struct rk3066b_lcdc_device *lcdc_dev = container_of(dev_drv,struct rk3066b_lcdc_device,driver);
	
	if(!lcdc_dev->clk_on)
	{
		clk_enable(lcdc_dev->pd);
		clk_enable(lcdc_dev->hclk);
		clk_enable(lcdc_dev->dclk);
		clk_enable(lcdc_dev->aclk);
	}
	memcpy((u8*)lcdc_dev->preg, (u8*)&lcdc_dev->regbak, 0xc4);  //resume reg

	spin_lock(&lcdc_dev->reg_lock);
	if(lcdc_dev->atv_layer_cnt)
	{
		LcdMskReg(lcdc_dev, SYS_CFG,m_LCDC_STANDBY,v_LCDC_STANDBY(0));
		LCDC_REG_CFG_DONE();
	}
	lcdc_dev->clk_on = 1;
	spin_unlock(&lcdc_dev->reg_lock);
	
    	return 0;
}
static int init_rk3066b_lcdc(struct rk_lcdc_device_driver *dev_drv)
{
	int i=0;
	int __iomem *c;
	int v;

	struct rk3066b_lcdc_device *lcdc_dev = container_of(dev_drv,struct rk3066b_lcdc_device,driver);
	
	if(lcdc_dev->id == 0) //lcdc0
	{
		lcdc_dev->pd = clk_get(NULL,"pd_lcdc0");
		lcdc_dev->hclk = clk_get(NULL,"hclk_lcdc0"); 
		lcdc_dev->aclk = clk_get(NULL,"aclk_lcdc0");
		lcdc_dev->dclk = clk_get(NULL,"dclk_lcdc0");
	}
	else if(lcdc_dev->id == 1)
	{
		lcdc_dev->pd = clk_get(NULL,"pd_lcdc1");
		lcdc_dev->hclk = clk_get(NULL,"hclk_lcdc1");  
		lcdc_dev->aclk = clk_get(NULL,"aclk_lcdc1");
		lcdc_dev->dclk = clk_get(NULL,"dclk_lcdc1");
	}
	else
	{
		printk(KERN_ERR "invalid lcdc device!\n");
		return -EINVAL;
	}
	if (IS_ERR(lcdc_dev->pd) || (IS_ERR(lcdc_dev->aclk)) ||(IS_ERR(lcdc_dev->dclk)) || (IS_ERR(lcdc_dev->hclk)))
    	{
       		printk(KERN_ERR "failed to get lcdc%d clk source\n",lcdc_dev->id);
   	}

	rk3066b_lcdc_clk_enable(lcdc_dev);
	
	if(lcdc_dev->id == 0)
	{
		#if defined(CONFIG_RK3066B_LCDC0_IO_18V)
		v = 0x40004000;               //bit14: 1,1.8v;0,3.3v
		writel_relaxed(v,RK30_GRF_BASE + GRF_IO_CON4);
		#else
		v = 0x40000000;              
		writel_relaxed(v,RK30_GRF_BASE + GRF_IO_CON4);
		#endif
	}

	if(lcdc_dev->id == 1) //iomux for lcdc1
	{
		#if defined(CONFIG_RK3066B_LCDC1_IO_18V)
		v = 0x80008000;               //bit14: 1,1.8v;0,3.3v
		writel_relaxed(v,RK30_GRF_BASE + GRF_IO_CON4);
		#else
		v = 0x80000000;
		writel_relaxed(v,RK30_GRF_BASE + GRF_IO_CON4);
		#endif
		
		iomux_set(LCDC1_DCLK);
		iomux_set(LCDC1_DEN);
		iomux_set(LCDC1_HSYNC);
		iomux_set(LCDC1_VSYNC);
		iomux_set(LCDC1_D0);
		iomux_set(LCDC1_D1);
		iomux_set(LCDC1_D2);
		iomux_set(LCDC1_D3);
		iomux_set(LCDC1_D4);
		iomux_set(LCDC1_D5);
		iomux_set(LCDC1_D6);
		iomux_set(LCDC1_D7);
		iomux_set(LCDC1_D8);
		iomux_set(LCDC1_D9);
		iomux_set(LCDC1_D10);
		iomux_set(LCDC1_D11);
		iomux_set(LCDC1_D12);
		iomux_set(LCDC1_D13);
		iomux_set(LCDC1_D14);
		iomux_set(LCDC1_D15);
		iomux_set(LCDC1_D16);
		iomux_set(LCDC1_D17);
		iomux_set(LCDC1_D18);
		iomux_set(LCDC1_D19);
		iomux_set(LCDC1_D20);
		iomux_set(LCDC1_D21);
		iomux_set(LCDC1_D22);
		iomux_set(LCDC1_D23);
		
	}
	LcdMskReg(lcdc_dev,SYS_CFG, m_LCDC_AXICLK_AUTO_ENABLE | m_W0_AXI_OUTSTANDING2 |
		m_W1_AXI_OUTSTANDING2,v_LCDC_AXICLK_AUTO_ENABLE(1) | v_W0_AXI_OUTSTANDING2(1) |
		v_W1_AXI_OUTSTANDING2(1));//eanble axi-clk auto gating for low power
	 LcdWrReg(lcdc_dev,AXI_MS_ID,v_HWC_CHANNEL_ID(5) | v_WIN2_CHANNEL_ID(4) |
	 	v_WIN1_YRGB_CHANNEL_ID(3) | v_WIN0_CBR_CHANNEL_ID(2) | 
	 	v_WIN0_YRGB_CHANNEL_ID(1));
	LcdMskReg(lcdc_dev, INT_STATUS,m_HOR_STARTMASK| m_FRM_STARTMASK | 
    	      m_SCANNING_MASK, v_HOR_STARTMASK(1) | v_FRM_STARTMASK(1) | 
    	      v_SCANNING_MASK(1));  //mask all interrupt in init
	LcdMskReg(lcdc_dev,FIFO_WATER_MARK,m_WIN1_FIFO_FULL_LEVEL,v_WIN1_FIFO_FULL_LEVEL(0x1e0));
	//LCDC_REG_CFG_DONE();  // write any value to  REG_CFG_DONE let config become effective
	if(dev_drv->cur_screen->dsp_lut)			//resume dsp lut
	{
		LcdMskReg(lcdc_dev,SYS_CFG,m_DSIP_LUT_CTL,v_DSIP_LUT_CTL(0));
		LCDC_REG_CFG_DONE();

		mdelay(25); //wait for dsp lut disabled
		for(i=0;i<256;i++)
		{
			v = dev_drv->cur_screen->dsp_lut[i];
			c = lcdc_dev->dsp_lut_addr_base+i;
			writel_relaxed(v,c);
		}
		LcdMskReg(lcdc_dev,SYS_CFG,m_DSIP_LUT_CTL,v_DSIP_LUT_CTL(1));//enable dsp lut
	}

	rk3066b_lcdc_clk_disable(lcdc_dev);
	return 0;
}
static  int win0_set_par(struct rk3066b_lcdc_device *lcdc_dev,rk_screen *screen,
	struct layer_par *par )
{
	u32 xact, yact, xvir, yvir, xpos, ypos;
	u32 ScaleYrgbX = 0x1000;
	u32 ScaleYrgbY = 0x1000;
	u32 ScaleCbrX = 0x1000;
	u32 ScaleCbrY = 0x1000;
	u8 fmt_cfg =0 ; //data format register config value
	char fmt[9] = "NULL";
	xact = par->xact;			    //active (origin) picture window width/height		
	yact = par->yact;
	xvir = par->xvir;			   // virtual resolution		
	yvir = par->yvir;
	xpos = par->xpos+screen->left_margin + screen->hsync_len;
	ypos = par->ypos+screen->upper_margin + screen->vsync_len;
   
	DBG(1,"%s for lcdc%d>>format:%s>>>xact:%d>>yact:%d>>xsize:%d>>ysize:%d>>xvir:%d>>yvir:%d>>xpos:%d>>ypos:%d>>\n",
		__func__,lcdc_dev->id,get_format_string(par->format,fmt),xact,yact,par->xsize,par->ysize,xvir,yvir,xpos,ypos);
	
	ScaleYrgbX = CalScale(xact, par->xsize); //both RGB and yuv need this two factor
	ScaleYrgbY = CalScale(yact, par->ysize);
	switch (par->format)
	{
		case XBGR888:
		case ABGR888:
		case ARGB888:
			fmt_cfg = 0;
			break;
		case RGB565:
			fmt_cfg = 1;
			break;
		case YUV422:// yuv422
			fmt_cfg = 2;
			ScaleCbrX = CalScale((xact/2), par->xsize);
			ScaleCbrY = CalScale(yact, par->ysize);
			break;
		case YUV420: // yuv420
			fmt_cfg = 3;
			ScaleCbrX = CalScale(xact/2, par->xsize);
		   	ScaleCbrY = CalScale(yact/2, par->ysize);
		   	break;
		case YUV444:// yuv444
			fmt_cfg = 4;
			ScaleCbrX = CalScale(xact, par->xsize);
			ScaleCbrY = CalScale(yact, par->ysize);
			break;
		default:
			printk("%s:un supported format\n",__func__);
		   break;
	}

	
	spin_lock(&lcdc_dev->reg_lock);
	if(likely(lcdc_dev->clk_on))
	{
		LcdWrReg(lcdc_dev, WIN0_SCL_FACTOR_YRGB, v_X_SCL_FACTOR(ScaleYrgbX) | v_Y_SCL_FACTOR(ScaleYrgbY));
		LcdWrReg(lcdc_dev, WIN0_SCL_FACTOR_CBR,v_X_SCL_FACTOR(ScaleCbrX)| v_Y_SCL_FACTOR(ScaleCbrY));
		LcdMskReg(lcdc_dev,SYS_CFG, m_W0_FORMAT, v_W0_FORMAT(fmt_cfg));		//(inf->video_mode==0)
		LcdWrReg(lcdc_dev, WIN0_ACT_INFO,v_ACT_WIDTH(xact) | v_ACT_HEIGHT(yact));
		LcdWrReg(lcdc_dev, WIN0_DSP_ST, v_DSP_STX(xpos) | v_DSP_STY(ypos));
		LcdWrReg(lcdc_dev, WIN0_DSP_INFO, v_DSP_WIDTH(par->xsize)| v_DSP_HEIGHT(par->ysize));
		LcdMskReg(lcdc_dev, WIN0_COLOR_KEY_CTRL, m_COLORKEY_EN | m_KEYCOLOR,
			v_COLORKEY_EN(0) | v_KEYCOLOR(0));
		LcdWrReg(lcdc_dev,WIN0_VIR,v_VIRWIDTH(xvir));
		//LCDC_REG_CFG_DONE();
	}
	spin_unlock(&lcdc_dev->reg_lock);

    return 0;

}
static int rk3066b_load_screen(struct rk_lcdc_device_driver *dev_drv, bool initscreen)
{
	int ret = -EINVAL;
	struct rk3066b_lcdc_device *lcdc_dev = container_of(dev_drv,struct rk3066b_lcdc_device,driver);
	rk_screen *screen = dev_drv->cur_screen;
	u64 ft;
	int fps;
	u16 face;
	u16 mcu_total, mcu_rwstart, mcu_csstart, mcu_rwend, mcu_csend;
	u16 right_margin = screen->right_margin;
	u16 lower_margin = screen->lower_margin;
	u16 x_res = screen->x_res, y_res = screen->y_res;

	// set the rgb or mcu
	spin_lock(&lcdc_dev->reg_lock);
	if(likely(lcdc_dev->clk_on))
	{
		if(screen->type==SCREEN_MCU)
		{
	    		LcdMskReg(lcdc_dev, MCU_CTRL, m_MCU_OUTPUT_SELECT,v_MCU_OUTPUT_SELECT(1));
			// set out format and mcu timing
	   		mcu_total  = (screen->mcu_wrperiod*150*1000)/1000000;
	    		if(mcu_total>31)    
				mcu_total = 31;
	   		if(mcu_total<3)    
				mcu_total = 3;
	    		mcu_rwstart = (mcu_total+1)/4 - 1;
	    		mcu_rwend = ((mcu_total+1)*3)/4 - 1;
	    		mcu_csstart = (mcu_rwstart>2) ? (mcu_rwstart-3) : (0);
	    		mcu_csend = (mcu_rwend>15) ? (mcu_rwend-1) : (mcu_rwend);

	    		//DBG(1,">> mcu_total=%d, mcu_rwstart=%d, mcu_csstart=%d, mcu_rwend=%d, mcu_csend=%d \n",
	        	//	mcu_total, mcu_rwstart, mcu_csstart, mcu_rwend, mcu_csend);

			// set horizontal & vertical out timing
		
		    	right_margin = x_res/6; 
			screen->pixclock = 150000000; //mcu fix to 150 MHz
			LcdMskReg(lcdc_dev, MCU_CTRL,m_MCU_CS_ST | m_MCU_CS_END| m_MCU_RW_ST | m_MCU_RW_END |
	             		m_MCU_WRITE_PERIOD | m_MCU_HOLDMODE_SELECT | m_MCU_HOLDMODE_FRAME_ST,
	            		v_MCU_CS_ST(mcu_csstart) | v_MCU_CS_END(mcu_csend) | v_MCU_RW_ST(mcu_rwstart) |
	            		v_MCU_RW_END(mcu_rwend) |  v_MCU_WRITE_PERIOD(mcu_total) |
	            		v_MCU_HOLDMODE_SELECT((SCREEN_MCU==screen->type)?(1):(0)) | v_MCU_HOLDMODE_FRAME_ST(0));
	
		}

		switch (screen->face)
		{
	        	case OUT_P565:
	            		face = OUT_P565;
	            		LcdMskReg(lcdc_dev, DSP_CTRL0, m_DITHER_DOWN_EN | m_DITHER_DOWN_MODE, v_DITHER_DOWN_EN(1) | v_DITHER_DOWN_MODE(0));
	            		break;
	        	case OUT_P666:
	            		face = OUT_P666;
	            		LcdMskReg(lcdc_dev, DSP_CTRL0, m_DITHER_DOWN_EN | m_DITHER_DOWN_MODE, v_DITHER_DOWN_EN(1) | v_DITHER_DOWN_MODE(1));
	            		break;
	        	case OUT_D888_P565:
	            		face = OUT_P888;
	            		LcdMskReg(lcdc_dev, DSP_CTRL0, m_DITHER_DOWN_EN | m_DITHER_DOWN_MODE, v_DITHER_DOWN_EN(1) | v_DITHER_DOWN_MODE(0));
	            		break;
	        	case OUT_D888_P666:
	            		face = OUT_P888;
	            		LcdMskReg(lcdc_dev, DSP_CTRL0, m_DITHER_DOWN_EN | m_DITHER_DOWN_MODE, v_DITHER_DOWN_EN(1) | v_DITHER_DOWN_MODE(1));
	            		break;
	        	case OUT_P888:
	            		face = OUT_P888;
	            		LcdMskReg(lcdc_dev, DSP_CTRL0, m_DITHER_UP_EN, v_DITHER_UP_EN(1));
	            		LcdMskReg(lcdc_dev, DSP_CTRL0, m_DITHER_DOWN_EN | m_DITHER_DOWN_MODE, v_DITHER_DOWN_EN(0) | v_DITHER_DOWN_MODE(0));
	            		break;
	        	default:
	            		LcdMskReg(lcdc_dev, DSP_CTRL0, m_DITHER_UP_EN, v_DITHER_UP_EN(0));
	            		LcdMskReg(lcdc_dev, DSP_CTRL0, m_DITHER_DOWN_EN | m_DITHER_DOWN_MODE, v_DITHER_DOWN_EN(0) | v_DITHER_DOWN_MODE(0));
	            		face = screen->face;
	            		break;
		}

		//use default overlay,set vsyn hsync den dclk polarity
		LcdMskReg(lcdc_dev, DSP_CTRL0,m_DISPLAY_FORMAT | m_HSYNC_POLARITY | m_VSYNC_POLARITY |
	     		m_DEN_POLARITY |m_DCLK_POLARITY,v_DISPLAY_FORMAT(face) | 
	     		v_HSYNC_POLARITY(screen->pin_hsync) | v_VSYNC_POLARITY(screen->pin_vsync) |
	        	v_DEN_POLARITY(screen->pin_den) | v_DCLK_POLARITY(screen->pin_dclk));

		//set background color to black,set swap according to the screen panel,disable blank mode
		LcdMskReg(lcdc_dev,DSP_CTRL1,m_BLANK_MODE | m_BLACK_MODE | m_BG_COLOR, v_BLANK_MODE(0) | 
					v_BLACK_MODE(0) | v_BG_COLOR(0x000000));
		LcdMskReg(lcdc_dev,SWAP_CTRL,m_OUTPUT_RB_SWAP | m_OUTPUT_RG_SWAP | m_DELTA_SWAP | m_DUMMY_SWAP, 
					v_OUTPUT_RB_SWAP(screen->swap_rb) | v_OUTPUT_RG_SWAP(screen->swap_rg) | 
		 			v_DELTA_SWAP(screen->swap_delta) | v_DUMMY_SWAP(screen->swap_dumy));
		LcdWrReg(lcdc_dev, DSP_HTOTAL_HS_END,v_HSYNC(screen->hsync_len) |
	             v_HORPRD(screen->hsync_len + screen->left_margin + x_res + right_margin));
		LcdWrReg(lcdc_dev, DSP_HACT_ST_END, v_HAEP(screen->hsync_len + screen->left_margin + x_res) |
	             v_HASP(screen->hsync_len + screen->left_margin));

		LcdWrReg(lcdc_dev, DSP_VTOTAL_VS_END, v_VSYNC(screen->vsync_len) |
	              v_VERPRD(screen->vsync_len + screen->upper_margin + y_res + lower_margin));
		LcdWrReg(lcdc_dev, DSP_VACT_ST_END,  v_VAEP(screen->vsync_len + screen->upper_margin+y_res)|
	              v_VASP(screen->vsync_len + screen->upper_margin));
		// let above to take effect
		//LCDC_REG_CFG_DONE();
	}
 	spin_unlock(&lcdc_dev->reg_lock);

	ret = clk_set_rate(lcdc_dev->dclk, screen->pixclock);
	if(ret)
	{
        	printk(KERN_ERR ">>>>>> set lcdc%d dclk failed\n",lcdc_dev->id);
	}
    	lcdc_dev->driver.pixclock = lcdc_dev->pixclock = div_u64(1000000000000llu, clk_get_rate(lcdc_dev->dclk));
	
	
	ft = (u64)(screen->upper_margin + screen->lower_margin + screen->y_res +screen->vsync_len)*
		(screen->left_margin + screen->right_margin + screen->x_res + screen->hsync_len)*
		(dev_drv->pixclock);       // one frame time ,(pico seconds)
	fps = div64_u64(1000000000000llu,ft);
	screen->ft = 1000/fps;
    	printk("%s: dclk:%lu>>fps:%d ",lcdc_dev->driver.name,clk_get_rate(lcdc_dev->dclk),fps);

    	if(screen->init)
    	{
    		screen->init();
    	}
	printk("%s for lcdc%d ok!\n",__func__,lcdc_dev->id);
	return 0;
}
Example #14
0
static int init_rk3066b_lcdc(struct rk_lcdc_device_driver *dev_drv)
{
	struct rk3066b_lcdc_device *lcdc_dev = container_of(dev_drv,struct rk3066b_lcdc_device,driver);
	if(lcdc_dev->id == 0) //lcdc0
	{
		lcdc_dev->pd = clk_get(NULL,"pd_lcdc0");
		lcdc_dev->hclk = clk_get(NULL,"hclk_lcdc0"); 
		lcdc_dev->aclk = clk_get(NULL,"aclk_lcdc0");
		lcdc_dev->dclk = clk_get(NULL,"dclk_lcdc0");
	}
	else if(lcdc_dev->id == 1)
	{
		lcdc_dev->pd = clk_get(NULL,"pd_lcdc1");
		lcdc_dev->hclk = clk_get(NULL,"hclk_lcdc1");  
		lcdc_dev->aclk = clk_get(NULL,"aclk_lcdc1");
		lcdc_dev->dclk = clk_get(NULL,"dclk_lcdc1");
	}
	else
	{
		printk(KERN_ERR "invalid lcdc device!\n");
		return -EINVAL;
	}
	if (IS_ERR(lcdc_dev->pd) || (IS_ERR(lcdc_dev->aclk)) ||(IS_ERR(lcdc_dev->dclk)) || (IS_ERR(lcdc_dev->hclk)))
    	{
       		printk(KERN_ERR "failed to get lcdc%d clk source\n",lcdc_dev->id);
   	}
	clk_enable(lcdc_dev->pd);
	clk_enable(lcdc_dev->hclk);  //enable aclk and hclk for register config
	clk_enable(lcdc_dev->aclk);  
	lcdc_dev->clk_on = 1;

	if(lcdc_dev->id == 1) //iomux for lcdc1
	{
		rk30_mux_api_set(GPIO2D0_LCDC1DCLK_SMCCSN0_NAME,GPIO2D_LCDC1DCLK);
		rk30_mux_api_set(GPIO2D1_LCDC1DEN_SMCWEN_NAME,GPIO2D_LCDC1DEN);
		rk30_mux_api_set(GPIO2D2_LCDC1HSYNC_SMCOEN_NAME,GPIO2D_LCDC1HSYNC);
		rk30_mux_api_set(GPIO2D3_LCDC1VSYNC_SMCADVN_NAME,GPIO2D_LCDC1VSYNC);
		rk30_mux_api_set(GPIO2A0_LCDC1DATA0_SMCDATA0_TRACEDATA0_NAME,GPIO2A_LCDC1DATA0);
		rk30_mux_api_set(GPIO2A1_LCDC1DATA1_SMCDATA1_TRACEDATA1_NAME,GPIO2A_LCDC1DATA1);
		rk30_mux_api_set(GPIO2A2_LCDC1DATA2_SMCDATA2_TRACEDATA2_NAME,GPIO2A_LCDC1DATA2);
		rk30_mux_api_set(GPIO2A3_LCDC1DATA3_SMCDATA3_TRACEDATA3_NAME,GPIO2A_LCDC1DATA3);
		rk30_mux_api_set(GPIO2A4_LCDC1DATA4_SMCDATA4_TRACEDATA4_NAME,GPIO2A_LCDC1DATA4);
		rk30_mux_api_set(GPIO2A5_LCDC1DATA5_SMCDATA5_TRACEDATA5_NAME,GPIO2A_LCDC1DATA5);
		rk30_mux_api_set(GPIO2A6_LCDC1DATA6_SMCDATA6_TRACEDATA6_NAME,GPIO2A_LCDC1DATA6);
		rk30_mux_api_set(GPIO2A7_LCDC1DATA7_SMCDATA7_TRACEDATA7_NAME,GPIO2A_LCDC1DATA7);
		rk30_mux_api_set(GPIO2B0_LCDC1DATA8_SMCDATA8_TRACEDATA8_NAME,GPIO2B_LCDC1DATA8);
		rk30_mux_api_set(GPIO2B1_LCDC1DATA9_SMCDATA9_TRACEDATA9_NAME,GPIO2B_LCDC1DATA9);
		rk30_mux_api_set(GPIO2B2_LCDC1DATA10_SMCDATA10_TRACEDATA10_NAME,GPIO2B_LCDC1DATA10);
		rk30_mux_api_set(GPIO2B3_LCDC1DATA11_SMCDATA11_TRACEDATA11_NAME,GPIO2B_LCDC1DATA11);
		rk30_mux_api_set(GPIO2B4_LCDC1DATA12_SMCDATA12_TRACEDATA12_NAME,GPIO2B_LCDC1DATA12);
		rk30_mux_api_set(GPIO2B5_LCDC1DATA13_SMCDATA13_TRACEDATA13_NAME,GPIO2B_LCDC1DATA13);
		rk30_mux_api_set(GPIO2B6_LCDC1DATA14_SMCDATA14_TRACEDATA14_NAME,GPIO2B_LCDC1DATA14);
		rk30_mux_api_set(GPIO2B7_LCDC1DATA15_SMCDATA15_TRACEDATA15_NAME,GPIO2B_LCDC1DATA15);
		rk30_mux_api_set(GPIO2C0_LCDC1DATA16_SMCADDR0_TRACECLK_NAME,GPIO2C_LCDC1DATA16);
		rk30_mux_api_set(GPIO2C1_LCDC1DATA17_SMCADDR1_TRACECTL_NAME,GPIO2C_LCDC1DATA17);
		rk30_mux_api_set(GPIO2C2_LCDC1DATA18_SMCADDR2_NAME,GPIO2C_LCDC1DATA18);
		rk30_mux_api_set(GPIO2C3_LCDC1DATA19_SMCADDR3_NAME,GPIO2C_LCDC1DATA19);
		rk30_mux_api_set(GPIO2C4_LCDC1DATA20_SMCADDR4_NAME,GPIO2C_LCDC1DATA20);
		rk30_mux_api_set(GPIO2C5_LCDC1DATA21_SMCADDR5_NAME,GPIO2C_LCDC1DATA21);
		rk30_mux_api_set(GPIO2C6_LCDC1DATA22_SMCADDR6_NAME,GPIO2C_LCDC1DATA22);
		rk30_mux_api_set(GPIO2C7_LCDC1DATA23_SMCADDR7_NAME,GPIO2C_LCDC1DATA23);
		
	}
	LcdMskReg(lcdc_dev,SYS_CFG, m_LCDC_AXICLK_AUTO_ENABLE | m_W0_AXI_OUTSTANDING2 |
		m_W1_AXI_OUTSTANDING2,v_LCDC_AXICLK_AUTO_ENABLE(1) | v_W0_AXI_OUTSTANDING2(1) |
		v_W1_AXI_OUTSTANDING2(1));//eanble axi-clk auto gating for low power
	 LcdWrReg(lcdc_dev,AXI_MS_ID,v_HWC_CHANNEL_ID(5) | v_WIN2_CHANNEL_ID(4) |
	 	v_WIN1_YRGB_CHANNEL_ID(3) | v_WIN0_CBR_CHANNEL_ID(2) | 
	 	v_WIN0_YRGB_CHANNEL_ID(1));
	LcdMskReg(lcdc_dev, INT_STATUS,m_HOR_STARTMASK| m_FRM_STARTMASK | 
    	      m_SCANNING_MASK, v_HOR_STARTMASK(1) | v_FRM_STARTMASK(1) | 
    	      v_SCANNING_MASK(1));  //mask all interrupt in init
	LcdMskReg(lcdc_dev,FIFO_WATER_MARK,m_WIN1_FIFO_FULL_LEVEL,v_WIN1_FIFO_FULL_LEVEL(0x1e0));
	//LCDC_REG_CFG_DONE();  // write any value to  REG_CFG_DONE let config become effective
	return 0;
}