#define DBG(level,x...) do { if(unlikely(dbg_thresd >= level)) printk(KERN_INFO x); } while (0)
+static int rk3066b_lcdc_clk_enable(struct rk3066b_lcdc_device *lcdc_dev)
+{
+
+ clk_enable(lcdc_dev->hclk);
+ clk_enable(lcdc_dev->dclk);
+ clk_enable(lcdc_dev->aclk);
+ clk_enable(lcdc_dev->pd);
+
+ spin_lock(&lcdc_dev->reg_lock);
+ lcdc_dev->clk_on = 1;
+ spin_unlock(&lcdc_dev->reg_lock);
+ printk("rk3066b lcdc%d clk enable...\n",lcdc_dev->id);
+
+ return 0;
+}
+
+static int rk3066b_lcdc_clk_disable(struct rk3066b_lcdc_device *lcdc_dev)
+{
+ spin_lock(&lcdc_dev->reg_lock);
+ lcdc_dev->clk_on = 0;
+ spin_unlock(&lcdc_dev->reg_lock);
+ mdelay(25);
+ clk_disable(lcdc_dev->dclk);
+ clk_disable(lcdc_dev->hclk);
+ clk_disable(lcdc_dev->aclk);
+ clk_disable(lcdc_dev->pd);
+ printk("rk3066b lcdc%d clk disable...\n",lcdc_dev->id);
+
+ return 0;
+}
+
+static int rk3066b_lcdc_reg_resume(struct rk3066b_lcdc_device *lcdc_dev)
+{
+ memcpy((u8*)lcdc_dev->preg, (u8*)&lcdc_dev->regbak, 0x9C);
+ return 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);
+ 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
{
{
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);
- clk_enable(lcdc_dev->dclk);
- lcdc_dev->clk_on = 1;
+ rk3066b_lcdc_clk_enable(lcdc_dev);
+
if(lcdc_dev->id == 0)
{
#if defined(CONFIG_RK3066B_LCDC0_IO_18V)
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;
}
{
screen->init();
}
- if(screen->sscreen_set)
- {
- screen->sscreen_set(screen,!initscreen);
- }
printk("%s for lcdc%d ok!\n",__func__,lcdc_dev->id);
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)
+ 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)
{
{
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;
}
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_FRM_STARTCLEAR | m_FRM_STARTMASK ,
- v_FRM_STARTCLEAR(1) | v_FRM_STARTMASK(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
}
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);
+ int i=0;
+ int __iomem *c;
+ int v;
if(dev_drv->screen_ctr_info->io_enable) //power on
dev_drv->screen_ctr_info->io_enable();
memcpy(((u8*)lcdc_dev->preg) + 0x28,((u8*)&lcdc_dev->regbak) + 0x28, 0x74);
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
+ }
if(lcdc_dev->atv_layer_cnt)
{
LcdMskReg(lcdc_dev, SYS_CFG,m_LCDC_STANDBY,v_LCDC_STANDBY(0));
LcdMskReg(lcdc_dev, INT_STATUS, m_SCANNING_CLEAR | m_FRM_STARTCLEAR | m_HOR_STARTCLEAR |
m_SCANNING_MASK | m_HOR_STARTMASK | m_FRM_STARTMASK ,
v_SCANNING_CLEAR(1) | v_FRM_STARTCLEAR(1) | v_HOR_STARTCLEAR(1) |
- v_SCANNING_MASK(1) | v_FRM_STARTMASK(0) | v_HOR_STARTMASK(1));
+ v_SCANNING_MASK(0) | v_FRM_STARTMASK(0) | v_HOR_STARTMASK(1));
LCDC_REG_CFG_DONE();
}
lcdc_dev->clk_on = 1;
spin_unlock(&lcdc_dev->reg_lock);
+ if(!lcdc_dev->atv_layer_cnt)
+ rk3066b_lcdc_clk_disable(lcdc_dev);
+
if(dev_drv->screen0->standby)
dev_drv->screen0->standby(0); //screen wake up
static irqreturn_t rk3066b_lcdc_isr(int irq, void *dev_id)
{
struct rk3066b_lcdc_device *lcdc_dev = (struct rk3066b_lcdc_device *)dev_id;
+
+ u32 int_reg = LcdRdReg(lcdc_dev,INT_STATUS);
+ if(int_reg & m_FRM_START){
ktime_t timestamp = ktime_get();
LcdMskReg(lcdc_dev, INT_STATUS, m_FRM_STARTCLEAR, v_FRM_STARTCLEAR(1));
lcdc_dev->driver.vsync_info.timestamp = timestamp;
wake_up_interruptible_all(&lcdc_dev->driver.vsync_info.wait);
-
+ }
+ else if(int_reg & m_SCANNING_FLAG){
+ LcdMskReg(lcdc_dev, INT_STATUS, m_FRM_STARTCLEAR, v_SCANNING_CLEAR(1));
+ }
return IRQ_HANDLED;
}
+
+static int rk3066b_set_dsp_lut(struct rk_lcdc_device_driver *dev_drv,int *lut)
+{
+ int i=0;
+ int __iomem *c;
+ int v;
+ int ret = 0;
+
+ struct rk3066b_lcdc_device *lcdc_dev =
+ container_of(dev_drv,struct rk3066b_lcdc_device,driver);
+ LcdMskReg(lcdc_dev,SYS_CFG,m_DSIP_LUT_CTL,v_DSIP_LUT_CTL(0));
+ LCDC_REG_CFG_DONE();
+ msleep(25);
+ if(dev_drv->cur_screen->dsp_lut)
+ {
+ for(i=0;i<256;i++)
+ {
+ v = dev_drv->cur_screen->dsp_lut[i] = lut[i];
+ c = lcdc_dev->dsp_lut_addr_base+i;
+ writel_relaxed(v,c);
+ }
+ }
+ else
+ {
+ dev_err(dev_drv->dev,"no buffer to backup lut data!\n");
+ ret = -1;
+ }
+ LcdMskReg(lcdc_dev,SYS_CFG,m_DSIP_LUT_CTL,v_DSIP_LUT_CTL(1));
+ LCDC_REG_CFG_DONE();
+
+ return ret;
+}
+
+int rk3066b_lcdc_poll_vblank(struct rk_lcdc_device_driver * dev_drv)
+{
+ struct rk3066b_lcdc_device *lcdc_dev =
+ container_of(dev_drv,struct rk3066b_lcdc_device,driver);
+ u32 int_reg ;
+ int ret;
+ //spin_lock(&lcdc_dev->reg_lock);
+ if(lcdc_dev->clk_on)
+ {
+ int_reg = LcdRdReg(lcdc_dev,INT_STATUS);
+ if(int_reg & m_SCANNING_FLAG)
+ {
+ LcdMskReg(lcdc_dev, INT_STATUS, m_SCANNING_CLEAR,v_SCANNING_CLEAR(1));
+ ret = RK_LF_STATUS_FC;
+ }
+ else
+ ret = RK_LF_STATUS_FR;
+ }
+ else
+ {
+ ret = RK_LF_STATUS_NC;
+ }
+ //spin_unlock(&lcdc_dev->reg_lock);
+
+
+ return ret;
+}
+
static struct layer_par lcdc_layer[] = {
[0] = {
.name = "win0",
.fps_mgr = rk3066b_lcdc_fps_mgr,
.fb_get_layer = rk3066b_fb_get_layer,
.fb_layer_remap = rk3066b_fb_layer_remap,
+ .set_dsp_lut = rk3066b_set_dsp_lut,
+ .poll_vblank = rk3066b_lcdc_poll_vblank,
};
#ifdef CONFIG_PM
static int rk3066b_lcdc_suspend(struct platform_device *pdev, pm_message_t state)
lcdc_dev->preg = (LCDC_REG*)lcdc_dev->reg_vir_base;
printk("lcdc%d:reg_phy_base = 0x%08x,reg_vir_base:0x%p\n",pdev->id,lcdc_dev->reg_phy_base, lcdc_dev->preg);
+ lcdc_dev->dsp_lut_addr_base = (lcdc_dev->reg_vir_base+DSP_LUT_ADDR);
+
lcdc_dev->driver.dev=&pdev->dev;
lcdc_dev->driver.screen0 = screen;
#if defined(CONFIG_ONE_LCDC_DUAL_OUTPUT_INF)&& (defined(CONFIG_RK610_LVDS) || defined(CONFIG_RK616_LVDS))
projects / firefly-linux-kernel-4.4.55.git / blobdiff