s3c-fb: add default window feature.
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>
diff --git a/arch/arm/plat-samsung/include/plat/fb.h b/arch/arm/plat-samsung/include/plat/fb.h
index 27d3b49..cb3ca3a 100644
--- a/arch/arm/plat-samsung/include/plat/fb.h
+++ b/arch/arm/plat-samsung/include/plat/fb.h
@@ -42,6 +42,7 @@
* @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_pd_win *win[S3C_FB_MAX_WIN];
+ u32 default_win;
+
u32 vidcon0;
u32 vidcon1;
};
diff --git a/drivers/video/s3c-fb.c b/drivers/video/s3c-fb.c
index 9682ecc..c4639c4 100644
--- a/drivers/video/s3c-fb.c
+++ b/drivers/video/s3c-fb.c
@@ -300,9 +300,9 @@
/* 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 @@
/* 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;