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rk3188 lcdc: early suspend/resume in blank

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This commit is contained in:
yxj
2014-03-13 07:25:40 +08:00
parent 93323021f5
commit ab0278229a
1 changed files with 38 additions and 55 deletions
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93
drivers/video/rockchip/lcdc/rk3188_lcdc.c
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@@ -993,37 +993,6 @@ static int rk3188_lcdc_set_par(struct rk_lcdc_driver *dev_drv,int win_id)
}
static int rk3188_lcdc_blank(struct rk_lcdc_driver *dev_drv,
int win_id, int blank_mode)
{
struct lcdc_device *lcdc_dev =
container_of(dev_drv, struct lcdc_device, driver);
spin_lock(&lcdc_dev->reg_lock);
if (likely(lcdc_dev->clk_on)) {
switch (blank_mode) {
case FB_BLANK_UNBLANK:
lcdc_msk_reg(lcdc_dev, DSP_CTRL1, m_BLANK_EN,
v_BLANK_EN(0));
break;
case FB_BLANK_NORMAL:
lcdc_msk_reg(lcdc_dev, DSP_CTRL1, m_BLANK_EN,
v_BLANK_EN(1));
break;
default:
lcdc_msk_reg(lcdc_dev, DSP_CTRL1, m_BLANK_EN,
v_BLANK_EN(1));
break;
}
lcdc_cfg_done(lcdc_dev);
}
spin_unlock(&lcdc_dev->reg_lock);
dev_info(dev_drv->dev, "blank mode:%d\n", blank_mode);
return 0;
}
static int rk3188_lcdc_ioctl(struct rk_lcdc_driver *dev_drv, unsigned int cmd,
unsigned long arg, int win_id)
@@ -1064,15 +1033,16 @@ static int rk3188_lcdc_early_suspend(struct rk_lcdc_driver *dev_drv)
struct lcdc_device *lcdc_dev =
container_of(dev_drv, struct lcdc_device, driver);
if (dev_drv->screen0->standby)
dev_drv->screen0->standby(1);
if (dev_drv->screen_ctr_info->io_disable)
dev_drv->screen_ctr_info->io_disable();
if (dev_drv->suspend_flag)
return 0;
dev_drv->suspend_flag = 1;
flush_kthread_worker(&dev_drv->update_regs_worker);
spin_lock(&lcdc_dev->reg_lock);
if (likely(lcdc_dev->clk_on)) {
lcdc_msk_reg(lcdc_dev, DSP_CTRL1, m_BLANK_EN,
v_BLANK_EN(1));
lcdc_msk_reg(lcdc_dev, INT_STATUS, m_FS_INT_CLEAR,
v_FS_INT_CLEAR(1));
lcdc_msk_reg(lcdc_dev, DSP_CTRL1, m_DSP_OUT_ZERO,
@@ -1086,16 +1056,7 @@ static int rk3188_lcdc_early_suspend(struct rk_lcdc_driver *dev_drv)
return 0;
}
rk3188_lcdc_clk_disable(lcdc_dev);
#if defined(CONFIG_ARCH_RK3026)
int gpio_dclk = iomux_mode_to_gpio(LCDC0_DCLK);
int ret = gpio_request(gpio_dclk, NULL);
if (unlikely(ret < 0)) {
dev_info(dev_drv->dev, "Failed to request gpio:lcdc dclk\n");
return ret;
}
gpio_direction_output(gpio_dclk, GPIO_LOW);
#endif
rk_disp_pwr_disable(dev_drv);
return 0;
}
@@ -1106,14 +1067,10 @@ static int rk3188_lcdc_early_resume(struct rk_lcdc_driver *dev_drv)
int i = 0;
int __iomem *c;
int v;
#if defined(CONFIG_ARCH_RK3026)
int gpio_dclk = iomux_mode_to_gpio(LCDC0_DCLK);
gpio_free(gpio_dclk);
iomux_set(LCDC0_DCLK);
#endif
if (dev_drv->screen_ctr_info->io_enable)
dev_drv->screen_ctr_info->io_enable();
if (!dev_drv->suspend_flag)
return 0;
rk_disp_pwr_enable(dev_drv);
dev_drv->suspend_flag = 0;
if (lcdc_dev->atv_layer_cnt) {
@@ -1139,13 +1096,39 @@ static int rk3188_lcdc_early_resume(struct rk_lcdc_driver *dev_drv)
v_DSP_OUT_ZERO(0));
lcdc_msk_reg(lcdc_dev, SYS_CTRL, m_LCDC_STANDBY,
v_LCDC_STANDBY(0));
lcdc_msk_reg(lcdc_dev, DSP_CTRL1, m_BLANK_EN,
v_BLANK_EN(0));
lcdc_cfg_done(lcdc_dev);
spin_unlock(&lcdc_dev->reg_lock);
}
if (dev_drv->screen0->standby)
dev_drv->screen0->standby(0);
return 0;
}
static int rk3188_lcdc_blank(struct rk_lcdc_driver *dev_drv,
int win_id, int blank_mode)
{
struct lcdc_device *lcdc_dev =
container_of(dev_drv, struct lcdc_device, driver);
switch (blank_mode) {
case FB_BLANK_UNBLANK:
rk3188_lcdc_early_resume(dev_drv);
break;
case FB_BLANK_NORMAL:
rk3188_lcdc_early_suspend(dev_drv);
break;
default:
rk3188_lcdc_early_suspend(dev_drv);
break;
}
dev_info(dev_drv->dev, "blank mode:%d\n", blank_mode);
return 0;
}