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rk3368 lcdc: add support overscan

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Signed-off-by: hjc <hjc@rock-chips.com>
This commit is contained in:
hjc
2015-03-04 15:25:26 +08:00
parent e0026f346f
commit 4d9cf9bf23
1 changed files with 21 additions and 23 deletions
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44
drivers/video/rockchip/rkfb_sysfs.c Normal file → Executable file
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@@ -972,14 +972,13 @@ static ssize_t show_scale(struct device *dev,
struct fb_info *fbi = dev_get_drvdata(dev);
struct rk_fb_par *fb_par = (struct rk_fb_par *)fbi->par;
struct rk_lcdc_driver *dev_drv = fb_par->lcdc_drv;
struct rk_screen *screen = dev_drv->cur_screen;
return snprintf(buf, PAGE_SIZE,
"xscale=%d yscale=%d\nleft=%d top=%d right=%d bottom=%d\n",
(screen->overscan.left + screen->overscan.right)/2,
(screen->overscan.top + screen->overscan.bottom)/2,
screen->overscan.left, screen->overscan.top,
screen->overscan.right, screen->overscan.bottom);
(dev_drv->overscan.left + dev_drv->overscan.right) / 2,
(dev_drv->overscan.top + dev_drv->overscan.bottom) / 2,
dev_drv->overscan.left, dev_drv->overscan.top,
dev_drv->overscan.right, dev_drv->overscan.bottom);
}
static ssize_t set_scale(struct device *dev, struct device_attribute *attr,
@@ -988,60 +987,59 @@ static ssize_t set_scale(struct device *dev, struct device_attribute *attr,
struct fb_info *fbi = dev_get_drvdata(dev);
struct rk_fb_par *fb_par = (struct rk_fb_par *)fbi->par;
struct rk_lcdc_driver *dev_drv = fb_par->lcdc_drv;
struct rk_screen *screen = dev_drv->cur_screen;
u32 left, top, right, bottom;
if (!strncmp(buf, "overscan", 8)) {
sscanf(buf,
"overscan %d,%d,%d,%d", &left, &top, &right, &bottom);
if (left > 0 && left <= 100)
screen->overscan.left = left;
dev_drv->overscan.left = left;
if (top > 0 && top <= 100)
screen->overscan.top = top;
dev_drv->overscan.top = top;
if (right > 0 && right <= 100)
screen->overscan.right = right;
dev_drv->overscan.right = right;
if (bottom > 0 && bottom <= 100)
screen->overscan.bottom = bottom;
dev_drv->overscan.bottom = bottom;
} else if (!strncmp(buf, "left", 4)) {
sscanf(buf, "left=%d", &left);
if (left > 0 && left <= 100)
screen->overscan.left = left;
dev_drv->overscan.left = left;
} else if (!strncmp(buf, "top", 3)) {
sscanf(buf, "top=%d", &top);
if (top > 0 && top <= 100)
screen->overscan.top = top;
dev_drv->overscan.top = top;
} else if (!strncmp(buf, "right", 5)) {
sscanf(buf, "right=%d", &right);
if (right > 0 && right <= 100)
screen->overscan.right = right;
dev_drv->overscan.right = right;
} else if (!strncmp(buf, "bottom", 6)) {
sscanf(buf, "bottom=%d", &bottom);
if (bottom > 0 && bottom <= 100)
screen->overscan.bottom = bottom;
dev_drv->overscan.bottom = bottom;
} else if (!strncmp(buf, "xscale", 6)) {
sscanf(buf, "xscale=%d", &left);
if (left > 0 && left <= 100) {
screen->overscan.left = left;
screen->overscan.right = left;
dev_drv->overscan.left = left;
dev_drv->overscan.right = left;
}
} else if (!strncmp(buf, "yscale", 6)) {
sscanf(buf, "yscale=%d", &left);
if (left > 0 && left <= 100) {
screen->overscan.top = left;
screen->overscan.bottom = left;
dev_drv->overscan.top = left;
dev_drv->overscan.bottom = left;
}
} else {
sscanf(buf, "%d", &left);
if (left > 0 && left <= 100) {
screen->overscan.left = left;
screen->overscan.right = left;
screen->overscan.top = left;
screen->overscan.bottom = left;
dev_drv->overscan.left = left;
dev_drv->overscan.right = left;
dev_drv->overscan.top = left;
dev_drv->overscan.bottom = left;
}
}
if (dev_drv->ops->set_overscan)
dev_drv->ops->set_overscan(dev_drv, &screen->overscan);
dev_drv->ops->set_overscan(dev_drv, &dev_drv->overscan);
return count;
}