shinys000114/linux
1
0
Fork 0
mirror of https://github.com/hardkernel/linux.git synced 2026-06-09 20:32:04 +09:00
Code Issues Packages Projects Releases Wiki Activity

rk3288 lcdc: add overscan for extern screen

Browse Source 
Signed-off-by: hjc <hjc@rock-chips.com>
This commit is contained in:
hjc
2015-05-09 15:48:22 +08:00
parent 9067ef55f1
commit 8febed7e1e
1 changed files with 34 additions and 0 deletions
Download Patch File Download Diff File Expand all files Collapse all files

34
drivers/video/rockchip/lcdc/rk3288_lcdc.c
View File

@@ -444,6 +444,12 @@ static int rk3288_lcdc_post_cfg(struct rk_lcdc_driver *dev_drv)
u16 post_dsp_vact_st_f1,post_dsp_vact_end_f1;
u16 post_h_fac,post_v_fac;
screen->post_dsp_stx = x_res * (100 - dev_drv->overscan.left) / 200;
screen->post_dsp_sty = y_res * (100 - dev_drv->overscan.top) / 200;
screen->post_xsize = x_res *
(dev_drv->overscan.left + dev_drv->overscan.right) / 200;
screen->post_ysize = y_res *
(dev_drv->overscan.top + dev_drv->overscan.bottom) / 200;
h_total = screen->mode.hsync_len+screen->mode.left_margin +
x_res + screen->mode.right_margin;
v_total = screen->mode.vsync_len+screen->mode.upper_margin +
@@ -1026,6 +1032,11 @@ static int rk3288_lcdc_mmu_en(struct rk_lcdc_driver *dev_drv)
u32 mask,val;
struct lcdc_device *lcdc_dev =
container_of(dev_drv, struct lcdc_device, driver);
if (unlikely(!lcdc_dev->clk_on)) {
pr_info("%s,clk_on = %d\n", __func__, lcdc_dev->clk_on);
return 0;
}
spin_lock(&lcdc_dev->reg_lock);
if (likely(lcdc_dev->clk_on)) {
mask = m_MMU_EN;
@@ -1127,6 +1138,10 @@ static int rk3288_load_screen(struct rk_lcdc_driver *dev_drv, bool initscreen)
u16 y_res = screen->mode.yres;
u32 mask, val;
u16 h_total,v_total;
if (unlikely(!lcdc_dev->clk_on)) {
pr_info("%s,clk_on = %d\n", __func__, lcdc_dev->clk_on);
return 0;
}
h_total = hsync_len + left_margin + x_res + right_margin;
v_total = vsync_len + upper_margin + y_res + lower_margin;
@@ -3663,6 +3678,23 @@ static int rk3288_lcdc_set_bcsh(struct rk_lcdc_driver *dev_drv,
return 0;
}
static int rk3288_lcdc_set_overscan(struct rk_lcdc_driver *dev_drv,
struct overscan *overscan)
{
struct lcdc_device *lcdc_dev =
container_of(dev_drv, struct lcdc_device, driver);
if (unlikely(!lcdc_dev->clk_on)) {
pr_info("%s,clk_on = %d\n", __func__, lcdc_dev->clk_on);
return 0;
}
printk("%s,overscan=%d:%d,%d,%d\n", __func__,overscan->top,overscan->bottom,
overscan->left,overscan->right);
rk3288_lcdc_post_cfg(dev_drv);
return 0;
}
static struct rk_lcdc_win lcdc_win[] = {
[0] = {
.name = "win0",
@@ -3722,6 +3754,8 @@ static struct rk_lcdc_drv_ops lcdc_drv_ops = {
.dump_reg = rk3288_lcdc_reg_dump,
.cfg_done = rk3288_lcdc_config_done,
.set_irq_to_cpu = rk3288_lcdc_set_irq_to_cpu,
.set_overscan = rk3288_lcdc_set_overscan,
};
#ifdef LCDC_IRQ_DEBUG