[openfirmware] r1214 - in dev: olpc/dcon via/unichrome
svn at openfirmware.info
svn at openfirmware.info
Fri Jun 5 19:33:48 CEST 2009
Author: wmb
Date: 2009-06-05 19:33:48 +0200 (Fri, 05 Jun 2009)
New Revision: 1214
Modified:
dev/olpc/dcon/viadcon.fth
dev/via/unichrome/unichrome.fth
Log:
VIA - display code cleanup.
Modified: dev/olpc/dcon/viadcon.fth
===================================================================
--- dev/olpc/dcon/viadcon.fth 2009-06-05 00:52:16 UTC (rev 1213)
+++ dev/olpc/dcon/viadcon.fth 2009-06-05 17:33:48 UTC (rev 1214)
@@ -183,88 +183,20 @@
: maybe-set-cmos ( -- ) 1 dcon-flag cmos! ;
-: panel
- smb-init
- 0 dcon@ .
+: init-xo-display
+ d# 1200 d# 900 d# 16 set-resolution
- 0 9 cr 0 h# 70 h# 11 crt-mask
- 0 h# 80 h# 17 crt-mask
-
- d# 1200 d# 900 d# 16 set-primary-mode
-
- 60 60 9b crt-mask \ Sync polarity - negative
-
- 00 07 h# 79 crt-mask \ Disable scaling
-
- 30 30 h# 1e seq-mask \ Power up DVP1 pads
-
- 0c 0c h# 2a seq-mask \ Power up LVDS pads
- 80 80 h# f3 crt-mask \ 18-bit TTL mode
- \ 1 01 h# 88 crt-mask Something to do with LVDS; check
- \ set vclk
- \ VIASetOutputPath
- 00 08 h# 6b crt-mask \ Not simultaneous mode
-\ DisableSecondDisplayChannel XXX check me out
-
-\ VIALCDPatchSkew
-\ VIASetDisplayChannel Seems to be lvds-specific
-
- 40 40 h# 16 seq! \ Check what is VIASR - is it really seq! ? - reserved bits, apparently control something about using crt and lcd at the same time
-
-\ VIALoadLCDPatchRegs
-
- dcon-load
- dcon-enable ( maybe-set-cmos )
- \ dcon-enable leaves mode set to 69 - 40:antialias, 20:swizzle, 8:backlight on, 1:passthru off
- set-fb
-;
-
-: panel2
smb-init
- 0 dcon@ .
- 0 9 cr 0 h# 70 h# 11 crt-mask
- 0 h# 80 h# 17 crt-mask
+ olpc-lcd-mode
+ olpc-crt-off
- f0 f0 h# 1b seq-mask \ Secondary display clock on
-
- d# 1200 d# 900 d# 16 set-secondary-mode
-
-\ 60 60 9b crt-mask \ Sync polarity - negative
-
- 00 07 h# 79 crt-mask \ Disable scaling
- 00 37 h# a3 crt-mask \ iga2 from S.L., start addr
-
- 30 30 h# 1e seq-mask \ Power up DVP1 pads
-
- 0c 0c h# 2a seq-mask \ Power up LVDS pads
- 2b fb h# d2 crt-mask
- c0 c0 h# d4 crt-mask
- 00 40 h# e8 crt-mask
- 80 80 h# f3 crt-mask \ 18-bit TTL mode
- 0a h# f9 crt!
- 0d h# fb crt!
- \ 1 01 h# 88 crt-mask Something to do with LVDS; check
- \ set vclk
- \ VIASetOutputPath
- 00 08 h# 6b crt-mask \ Not simultaneous mode
-\ DisableSecondDisplayChannel XXX check me out
-
-\ VIALCDPatchSkew
-\ VIASetDisplayChannel Seems to be lvds-specific
-
- 40 40 h# 16 seq! \ Check what is VIASR - is it really seq! ? - reserved bits, apparently control something about using crt and lcd at the same time
-
-\ VIALoadLCDPatchRegs
-
dcon-load
dcon-enable ( maybe-set-cmos )
\ dcon-enable leaves mode set to 69 - 40:antialias, 20:swizzle, 8:backlight on, 1:passthru off
- d# 1200 depth 8 / * to /scanline
- set-fb
;
-' panel2 is init-hook
+' init-xo-display to init-display
\ LICENSE_BEGIN
Modified: dev/via/unichrome/unichrome.fth
===================================================================
--- dev/via/unichrome/unichrome.fth 2009-06-05 00:52:16 UTC (rev 1213)
+++ dev/via/unichrome/unichrome.fth 2009-06-05 17:33:48 UTC (rev 1214)
@@ -10,9 +10,13 @@
\ with re-running the open method.
d# 1280 ( instance ) value width \ Frame buffer line width
d# 1024 ( instance ) value height \ Screen height
-d# 16 instance value depth \ Bits per pixel
+d# 16 ( instance ) value depth \ Bits per pixel
d# 1024 instance value /scanline \ Frame buffer line width
+: set-resolution ( width height depth -- )
+ to depth to height to width
+;
+
: declare-props ( -- ) \ Instantiate screen properties
" width" get-my-property if
width encode-int " width" property
@@ -91,30 +95,30 @@
: /res-entry ( -- n ) 8 /w* la1+ ;
\ width height htotal hsync hsyncend vtotal vsync vsyncend --pll-- misc
-create mode3-table
+create mode3-entry
\ 640 w, 400 w, 800 w, 680 w, 776 w, 449 w, 412 w, 430 w, hex 35 04 05 67 pll, decimal
640 w, 400 w, 800 w, 680 w, 776 w, 449 w, 412 w, 430 w, hex 54 90 03 67 pll, decimal
\ width height htotal hsync hsyncend vtotal vsync vsyncend --pll-- misc
-create mode12-table
+create mode12-entry
640 w, 480 w, 800 w, 672 w, 768 w, 525 w, 490 w, 492 w, hex 35 04 05 e3 pll, decimal
0 value res-entry
-: mode-3? ( -- flag ) res-entry mode3-table = ;
-: mode-12? ( -- flag ) res-entry mode12-table = ;
+: mode-3? ( -- flag ) res-entry mode3-entry = ;
+: mode-12? ( -- flag ) res-entry mode12-entry = ;
-: find-timing-table ( width height depth -- error? )
+: find-timing-table ( width height -- error? )
\ Mode12 check
- 4 = if 2drop mode12-table to res-entry false exit then ( width height )
+ depth 4 = if 2drop mode12-entry to res-entry false exit then ( width height )
\ Text mode 3 check
- dup d# 400 = if 2drop mode3-table to res-entry false exit then ( width height )
+ dup d# 400 = if 2drop mode3-entry to res-entry false exit then ( width height )
res-table /res-table bounds ?do ( width height )
over i w@ = if ( width height )
dup i wa1+ w@ = if ( width height )
- i to res-entry ( width height )
+ i to res-entry ( )
2drop false ( false )
unloop exit
then ( width height )
@@ -126,6 +130,7 @@
hex
\ Stored values from table
+: hdisplay ( -- n ) res-entry 0 wa+ w@ ;
: htotal ( -- n ) res-entry 2 wa+ w@ ;
: hsync ( -- n ) res-entry 3 wa+ w@ ;
: hsyncend ( -- n ) res-entry 4 wa+ w@ ;
@@ -136,9 +141,8 @@
: miscval ( -- b ) pll lbsplit nip nip nip ;
\ Derived values
-: hdisplay ( -- n ) width ;
: hblank ( -- n )
- width
+ hdisplay
mode-3? if 8 + then
mode-12? if 8 + then
;
@@ -418,9 +422,10 @@
\ XXX unichrome has duplicate setting of regs CR32 and CR33 near end of ViaModePrimaryVGA
-: set-primary-mode ( width height depth -- error? )
- to depth to height to width
- width height depth find-timing-table ?dup if exit then
+\ Width and height here are the native (unscaled) resolution of the device,
+\ as opposed to the viewport resolution
+: set-primary-mode ( device-width device-height -- )
+ find-timing-table if exit then
80 17 crt-clr \ Assert reset
@@ -449,7 +454,6 @@
\ 01 6b crt-clr \ Appears to be reserved RO bit
80 17 crt-set \ Release reset
- false \ No error
;
: set-secondary-dotclock ( clock -- )
@@ -487,8 +491,10 @@
vsyncend 1f 5f crt-mask
\ Offset
- width pixels>bytes bytes>chunks dup 66 crt! dup 8 >> 03 67 crt-mask 6 >> 80 71 crt-mask
+ width pixels>bytes to /scanline
+ /scanline bytes>chunks dup 66 crt! dup 8 >> 03 67 crt-mask 6 >> 80 71 crt-mask
+
\ fetch count
hdisplay pixels>bytes bytes>chunks ( 8 + ) dup 1 >> 65 crt! 7 >> 0c 67 crt-mask
;
@@ -510,9 +516,8 @@
01 07 a8 crt-mask \ expected vertical display high
;
-: set-secondary-mode ( width height depth -- )
- to depth to height to width
- width height depth find-timing-table ?dup if exit then
+: set-secondary-mode ( device-width device-height -- )
+ find-timing-table if exit then
80 17 crt-clr \ Assert reset - Turn off screen
set-secondary-vga-mode
@@ -524,16 +529,33 @@
80 17 crt-set \ Release reset
;
-[ifdef] xo-board
-: setup-lcd ( -- )
- h# 80 h# f3 crt-set \ 18-bit TTL LCD mode
- h# 10 h# 30 h# 1e crt-mask \ DVP pads controlled by other control
-\ h# 30 h# 30 h# 1e crt-mask \ DVP pads controlled by PMS
-\ h# 0f h# 0f h# 65 crt-mask \ High drive for DVP
+: olpc-lcd-mode ( -- )
+ c0 c0 1b seq-mask \ Secondary display clock on
-\ h# 80 h# 9b crt! \ DVP mode - alpha:80, VSYNC:40, HSYNC:20, secondary:10, clk polarity:8, clk adjust:7
+ d# 1200 d# 900 set-secondary-mode
+
+\ 60 60 9b crt-mask \ Sync polarity - negative
+
+ 00 07 79 crt-mask \ Disable scaling
+ 00 37 a3 crt-mask \ iga2 from S.L., start addr
+
+ 30 30 1e seq-mask \ Power up DVP1 pads
+
+ 0c 0c 2a seq-mask \ Power up LVDS pads
+\ 2b fb h# d2 crt-mask
+\ c0 c0 h# d4 crt-mask
+\ 00 40 h# e8 crt-mask
+ 80 80 f3 crt-mask \ 18-bit TTL mode
+ 0a f9 crt!
+ 0d fb crt!
+\ 00 08 h# 6b crt-mask \ Not simultaneous mode
+
+ 40 40 16 seq! \ Check what is VIASR - is it really seq! ? - reserved bits, apparently control something about using crt and lcd at the same time
;
-[then]
+: olpc-crt-off ( -- )
+ 00 30 1b seq-mask \ IGA1 engine clock off
+ 30 30 36 crt-mask \ DAC off
+;
hex
0 [if]
@@ -562,39 +584,45 @@
: bios-table-adr ( -- adr ) h# c001b w@ h# c0000 + ;
[then]
-defer init-hook ' noop is init-hook
+: init-primary-display ( -- )
+ width height find-timing-table if exit then
+ set-primary-mode
+;
-: init-all ( -- ) \ Initializes the controller
+defer init-display ' init-primary-display is init-display
+
+: init-frame-buffer ( -- ) \ Initializes the controller
\ smb-init
- map-io-regs \ Enable IO registers
- width height depth set-primary-mode drop
- declare-props \ Setup properites
\ set-dac-colors \ Set up initial color map
\ video-on \ Turn on video
map-frame-buffer
+ frame-buffer-adr /fb ( adr len )
depth case
- 8 of frame-buffer-adr /fb h# 0f fill endof
- d# 16 of frame-buffer-adr /fb background-rgb rgb>565 wfill endof
- d# 32 of frame-buffer-adr /fb h# ffff.ffff lfill endof
+ 8 of h# 0f fill endof
+ d# 16 of background-rgb rgb>565 wfill endof
+ d# 32 of h# ffff.ffff lfill endof
+ ( default ) nip nip
endcase
h# f to background-color
;
-: display-remove ( -- )
+: set-fb ( -- )
+ width height ( width height )
+ over char-width / over char-height / ( width height rows cols )
+ /scanline depth fb-install ( gp-install ) ( )
;
-: set-fb
- width height ( width height )
- over char-width / over char-height / ( width height rows cols )
- /scanline depth fb-install ( gp-install ) ( )
+: display-remove ( -- )
;
: display-install ( -- )
- init-all
+ map-io-regs \ Enable IO registers
+ init-display
+ init-frame-buffer
+ declare-props \ Setup properites
default-font set-font
set-fb
- init-hook
;
: display-selftest ( -- failed? ) false ;
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