shinys000114/linux
1
0
Fork 0
mirror of https://github.com/hardkernel/linux.git synced 2026-06-09 12:17:12 +09:00
Code Issues Packages Projects Releases Wiki Activity

rk3368 lcdc: add lcdc extend function for some special config

Browse Source 
Signed-off-by: hjc <hjc@rock-chips.com>
This commit is contained in:
hjc
2015-05-15 09:22:13 +08:00
parent be4e96f7c3
commit e66280cea3
1 changed files with 36 additions and 0 deletions
Download Patch File Download Diff File Expand all files Collapse all files

36
drivers/video/rockchip/lcdc/rk3368_lcdc.c
View File

@@ -4537,6 +4537,41 @@ static int rk3368_lcdc_set_overscan(struct rk_lcdc_driver *dev_drv,
return 0;
}
static int rk3368_lcdc_extern_func(struct rk_lcdc_driver *dev_drv,
int cmd)
{
struct lcdc_device *lcdc_dev =
container_of(dev_drv, struct lcdc_device, driver);
u32 val;
if (unlikely(!lcdc_dev->clk_on)) {
pr_info("%s,clk_on = %d\n", __func__, lcdc_dev->clk_on);
return 0;
}
switch (cmd) {
case GET_PAGE_FAULT:
val = lcdc_readl(lcdc_dev, MMU_INT_RAWSTAT);
if ((val & 0x1) == 1) {
if ((val & 0x2) == 1)
pr_info("val = 0x%x, vop iommu bus error\n", val);
else
return 1;
}
break;
case CLR_PAGE_FAULT:
lcdc_writel(lcdc_dev, MMU_INT_CLEAR, 0x3);
break;
case UNMASK_PAGE_FAULT:
lcdc_writel(lcdc_dev, MMU_INT_MASK, 0x2);
break;
default:
break;
}
return 0;
}
static struct rk_lcdc_drv_ops lcdc_drv_ops = {
.open = rk3368_lcdc_open,
.win_direct_en = rk3368_lcdc_win_direct_en,
@@ -4578,6 +4613,7 @@ static struct rk_lcdc_drv_ops lcdc_drv_ops = {
.backlight_close = rk3368_lcdc_backlight_close,
.mmu_en = rk3368_lcdc_mmu_en,
.set_overscan = rk3368_lcdc_set_overscan,
.extern_func = rk3368_lcdc_extern_func,
};
#ifdef LCDC_IRQ_EMPTY_DEBUG