int rk30_lcdc_pan_display(struct rk_lcdc_device_driver * dev_drv,int layer_id) { struct rk30_lcdc_device *lcdc_dev = container_of(dev_drv,struct rk30_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); } else if(layer_id == 2) { par = dev_drv->layer_par[2]; win2_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; lcdc_msk_reg(lcdc_dev,INT_STATUS,m_FRM_START_INT_CLEAR |m_FRM_START_INT_EN , v_FRM_START_INT_CLEAR(1) | v_FRM_START_INT_EN(1)); lcdc_cfg_done(lcdc_dev); // write any value to REG_CFG_DONE let config become effective } 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; } } return 0; }
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; }