[openfirmware] [commit] r2560 - cpu/arm/olpc/1.75
repository service
svn at openfirmware.info
Sat Oct 1 21:49:30 CEST 2011
Author: wmb
Date: Sat Oct 1 21:49:30 2011
New Revision: 2560
URL: http://tracker.coreboot.org/trac/openfirmware/changeset/2560
Log:
OLPC XO-1.75 - this change goes with svn 2556 to implement YCrCv support.
Modified:
cpu/arm/olpc/1.75/lcd.fth
Modified: cpu/arm/olpc/1.75/lcd.fth
==============================================================================
--- cpu/arm/olpc/1.75/lcd.fth Sat Oct 1 19:48:05 2011 (r2559)
+++ cpu/arm/olpc/1.75/lcd.fth Sat Oct 1 21:49:30 2011 (r2560)
@@ -85,9 +85,8 @@
\ 5:YUV422packed 6:YUV422planar 7:YUV420planar 8:SmartPanelCmd
\ 9:Palette4bpp A:Palette8bpp B:RGB888A
: set-video-mode ( mode -- )
- d# 20 lshift ( x00000 )
h# 190 lcd@ ( x00000 regval )
- h# f00000 invert and ( x00000 regval' )
+ h# f0.000e invert and ( x00000 regval' )
or ( regval' )
h# 190 lcd! ( )
;
@@ -95,14 +94,17 @@
: video-off ( -- ) h# 190 lcd@ 1 invert and h# 190 lcd! ;
: set-video-dma-adr ( adr -- ) h# 0c0 lcd! ;
-\ Assumes RGB565
-: start-video ( adr w h -- )
- clear-unused-regs normal-hsv ( adr w h )
- over 2* h# 0e0 lcd! ( adr w h ) \ Pitch - width * 2 bytes/pixel
- placement ( adr )
- set-video-dma-adr ( ) \ Video buffer
- 0 set-video-mode ( ) \ RGB565
- d# 255 set-video-alpha ( ) \ Opaque video
+defer foo ' noop to foo
+
+: start-video ( adr w h ycrcb? -- )
+ >r ( adr w h r: ycrcb? )
+ clear-unused-regs normal-hsv ( adr w h r: ycrcb? )
+ over 2* h# 0e0 lcd! ( adr w h r: ycrcb? ) \ Pitch - width * 2 bytes/pixel for RGB565, width for YCrCr4:2:2
+ placement ( adr r: ycrcb? )
+ set-video-dma-adr ( r: ycrcb? ) \ Video buffer
+ r> if h# 50.000e else 0 then set-video-mode ( )
+ d# 255 set-video-alpha ( ) \ Opaque video
+ foo
video-on
;
: stop-video ( -- ) video-off ;
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