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s3c-fb: add default window feature.

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s5pv210 has five window layers (window0 ~ 4), among them, window0 ~ 2
could be used for local path with fimc(capture device) and fimd writeback
feature so this patch makes default window layer for UI to be set at
machine code.

Signed-off-by: InKi Dae <inki.dae@samsung.com>
Reviewed-by: KyungMin Park <kyungmin.park.samsung.com>
Signed-off-by: Ben Dooks <ben-linux@fluff.org>
Signed-off-by: Pawel Osciak <p.osciak@samsung.com>
Cc: Marek Szyprowski <m.szyprowski@samsung.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
This commit is contained in:
InKi Dae 2010-08-10 18:02:31 -07:00 committed by Linus Torvalds
parent 45649fdb54
commit ad04490a17
2 changed files with 6 additions and 3 deletions
Show stats Download patch file Download diff file Expand all files Collapse all files

3
arch/arm/plat-samsung/include/plat/fb.h
View file

@ -42,6 +42,7 @@ struct s3c_fb_pd_win {
* @setup_gpio: Setup the external GPIO pins to the right state to transfer
* the data from the display system to the connected display
* device.
* @default_win: default window layer number to be used for UI layer.
* @vidcon0: The base vidcon0 values to control the panel data format.
* @vidcon1: The base vidcon1 values to control the panel data output.
* @win: The setup data for each hardware window, or NULL for unused.
@ -58,6 +59,8 @@ struct s3c_fb_platdata {
struct s3c_fb_pd_win *win[S3C_FB_MAX_WIN];
u32 default_win;
u32 vidcon0;
u32 vidcon1;
};

6
drivers/video/s3c-fb.c
View file

@ -300,9 +300,9 @@ static int s3c_fb_set_par(struct fb_info *info)
/* disable the window whilst we update it */
writel(0, regs + WINCON(win_no));
/* use window 0 as the basis for the lcd output timings */
/* use platform specified window as the basis for the lcd timings */
if (win_no == 0) {
if (win_no == sfb->pdata->default_win) {
clkdiv = s3c_fb_calc_pixclk(sfb, var->pixclock);
data = sfb->pdata->vidcon0;
@ -636,7 +636,7 @@ static int s3c_fb_blank(int blank_mode, struct fb_info *info)
/* we're stuck with this until we can do something about overriding
* the power control using the blanking event for a single fb.
*/
if (index == 0)
if (index == sfb->pdata->default_win)
s3c_fb_enable(sfb, blank_mode != FB_BLANK_POWERDOWN ? 1 : 0);
return 0;