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add lcdc power domain ctrl in early suspend

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This commit is contained in:
zyw
2011-03-28 18:07:35 +08:00
parent 230cc783e7
commit cf7427cf40
1 changed files with 22 additions and 56 deletions
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78
drivers/video/rk29_fb.c
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@@ -2110,49 +2110,7 @@ static void rk29fb_early_suspend(struct early_suspend *h)
fbprintk(">>>>>> power down the screen! \n");
inf->cur_screen->standby(1);
}
}
static void rk29fb_early_resume(struct early_suspend *h)
{
struct suspend_info *info = container_of(h, struct suspend_info,
early_suspend);
struct rk29fb_inf *inf = info->inf;
fbprintk(">>>>>> %s : %s\n", __FILE__, __FUNCTION__);
if(!inf) {
printk("inf==0, rk29fb_resume fail! \n");
return ;
}
if(inf->cur_screen->standby)
{
fbprintk(">>>>>> power on the screen! \n");
inf->cur_screen->standby(0);
}
msleep(100);
set_lcd_pin(g_pdev, 1);
memcpy((u8*)inf->preg, (u8*)&inf->regbak, 0xa4); //resume reg
}
static struct suspend_info suspend_info = {
.early_suspend.suspend = rk29fb_early_suspend,
.early_suspend.resume = rk29fb_early_resume,
.early_suspend.level = EARLY_SUSPEND_LEVEL_DISABLE_FB,
};
#endif
#ifdef CONFIG_PM
static int rk29fb_suspend(struct platform_device *pdev, pm_message_t mesg)
{
struct rk29fb_inf *inf = platform_get_drvdata(pdev);
fbprintk(">>>>>> %s : %s\n", __FILE__, __FUNCTION__);
if(!inf) {
printk("inf==0, rk29fb_suspend fail! \n");
return 0;
}
LcdMskReg(inf, DSP_CTRL0, m_HSYNC_POLARITY | m_VSYNC_POLARITY | m_DEN_POLARITY ,
v_HSYNC_POLARITY(1) | v_VSYNC_POLARITY(1) | v_DEN_POLARITY(1) );
@@ -2177,33 +2135,33 @@ static int rk29fb_suspend(struct platform_device *pdev, pm_message_t mesg)
clk_disable(inf->aclk);
}
clk_disable(inf->pd_display);
//pmu_set_power_domain(PD_DISPLAY, 0);
inf->in_suspend = 1;
}
return 0;
}
static int rk29fb_resume(struct platform_device *pdev)
static void rk29fb_early_resume(struct early_suspend *h)
{
struct rk29fb_inf *inf = platform_get_drvdata(pdev);
struct suspend_info *info = container_of(h, struct suspend_info,
early_suspend);
struct rk29fb_inf *inf = info->inf;
struct rk29fb_screen *screen = inf->cur_screen;
fbprintk(">>>>>> %s : %s\n", __FILE__, __FUNCTION__);
if(!inf) {
printk("inf==0, rk29fb_resume fail! \n");
return 0;
return ;
}
if(inf->in_suspend)
if(inf->in_suspend)
{
inf->in_suspend = 0;
fbprintk(">>>>>> enable the lcdc clk! \n");
clk_enable(inf->pd_display);
clk_enable(inf->aclk_disp_matrix);
clk_enable(inf->hclk_cpu_display);
clk_enable(inf->clk);
clk_enable(inf->pd_display);
//pmu_set_power_domain(PD_DISPLAY, 1);
clk_enable(inf->aclk_ddr_lcdc);
if (inf->dclk){
@@ -2221,9 +2179,21 @@ static int rk29fb_resume(struct platform_device *pdev)
LcdMskReg(inf, DSP_CTRL0, m_HSYNC_POLARITY | m_VSYNC_POLARITY | m_DEN_POLARITY ,
v_HSYNC_POLARITY(screen->pin_hsync) | v_VSYNC_POLARITY(screen->pin_vsync) | v_DEN_POLARITY(screen->pin_den) );
return 0;
if(inf->cur_screen->standby)
{
fbprintk(">>>>>> power on the screen! \n");
inf->cur_screen->standby(0);
}
msleep(100);
set_lcd_pin(g_pdev, 1);
memcpy((u8*)inf->preg, (u8*)&inf->regbak, 0xa4); //resume reg
}
static struct suspend_info suspend_info = {
.early_suspend.suspend = rk29fb_early_suspend,
.early_suspend.resume = rk29fb_early_resume,
.early_suspend.level = EARLY_SUSPEND_LEVEL_DISABLE_FB,
};
#endif
static int __init rk29fb_probe (struct platform_device *pdev)
@@ -2675,10 +2645,6 @@ static void rk29fb_shutdown(struct platform_device *pdev)
static struct platform_driver rk29fb_driver = {
.probe = rk29fb_probe,
.remove = rk29fb_remove,
#ifdef CONFIG_PM
.suspend = rk29fb_suspend,
.resume = rk29fb_resume,
#endif
.driver = {
.name = "rk29-fb",
.owner = THIS_MODULE,