Author: wmb Date: 2009-10-23 01:13:12 +0200 (Fri, 23 Oct 2009) New Revision: 1426
Modified: dev/olpc/dcon/viadcon.fth dev/olpc/viacamera/loadpkg.fth dev/via/unichrome/pci.fth dev/via/unichrome/unichrome.fth dev/via/unichrome/vgamodes.fth Log: OLPC trac 9472 - implement text mode 3 for use by memtest. The ticket is still open because graphics mode 12 and VESA modes need to be implemented.
Modified: dev/olpc/dcon/viadcon.fth =================================================================== --- dev/olpc/dcon/viadcon.fth 2009-10-22 23:10:09 UTC (rev 1425) +++ dev/olpc/dcon/viadcon.fth 2009-10-22 23:13:12 UTC (rev 1426) @@ -189,6 +189,8 @@ smb-init dcon-gpio-init olpc-lcd-mode + olpc-crt-off + gp-setup 1 set-source \ Unfreeze image ; @@ -254,7 +256,6 @@
' init-xo-display to init-display
- \ LICENSE_BEGIN \ Copyright (c) 2006 FirmWorks \
Modified: dev/olpc/viacamera/loadpkg.fth =================================================================== --- dev/olpc/viacamera/loadpkg.fth 2009-10-22 23:10:09 UTC (rev 1425) +++ dev/olpc/viacamera/loadpkg.fth 2009-10-22 23:13:12 UTC (rev 1426) @@ -1,18 +1,14 @@ dev screen \ XXX Capture video to video memory only. I don't know why I can't capture to -\ XXX system memory. I'm using an arbitrary offset into the video memory. +\ XXX system memory.
-h# 200.0000 constant capture-base - : alloc-capture-buffer ( len -- vadr padr ) - >r ( r: len ) - capture-base 0 h# 0200.0010 my-space or ( pci-phys.. r: len ) - r> " map-in" $call-parent ( vadr ) - + drop ( ) + " graphmem" $call-parent ( vadr ) dup >physical ( vadr padr ) ;
-: free-capture-buffer ( vadr padr len -- ) nip unmap ; +: free-capture-buffer ( vadr padr len -- ) 3drop ;
: dma-alloc ( len -- adr ) " dma-alloc" $call-parent ; : dma-free ( adr len -- ) " dma-free" $call-parent ;
Modified: dev/via/unichrome/pci.fth =================================================================== --- dev/via/unichrome/pci.fth 2009-10-22 23:10:09 UTC (rev 1425) +++ dev/via/unichrome/pci.fth 2009-10-22 23:13:12 UTC (rev 1426) @@ -13,6 +13,9 @@ 0 0 h# 0200.0014 my-space + phys+ 0 i+ h# 0100.0000 i+ \ MMIO stuff " reg" property
+\ Enough for a 1600x1200x4 frame buffer plus an equivalent scratch area +h# 0100.0000 constant /fb-map + : map-membar ( bar size -- adr ) >r my-space + h# 0200.0000 or 0 0 rot ( phys ) @@ -20,11 +23,11 @@ ; : unmap ( adr size -- ) " map-out" $call-parent ; : (map-io-regs) ( -- mmio-base ) - h# 14 h# 0080.0000 map-membar ( mmio-base ) + h# 14 h# 100.0000 map-membar ( mmio-base ) ; : (map-frame-buffer) ( -- adr ) \ Not the whole thing, but enough for our needs - h# 10 h# 0080.0000 map-membar + h# 10 /fb-map map-membar ;
\ This is called during probing by make-function-node
Modified: dev/via/unichrome/unichrome.fth =================================================================== --- dev/via/unichrome/unichrome.fth 2009-10-22 23:10:09 UTC (rev 1425) +++ dev/via/unichrome/unichrome.fth 2009-10-22 23:13:12 UTC (rev 1426) @@ -9,7 +9,6 @@ \ the camera sub-node's selftest.
0 value fb-va -0 value graphmem 0 value mmio-base
d# 1280 value width \ Frame buffer line width @@ -34,6 +33,12 @@
: /fb ( -- ) /scanline height * ; \ Size of framebuffer
+\ The "graphmem" method is use by the subordinate camera driver ($call-parent) +\ and by the GUI code ($call-screen) to get the address of some scratch memory +\ in the display controller's space. + +: graphmem ( -- adr ) fb-va /fb + ; + : map-io-regs ( -- ) mmio-base if exit then (map-io-regs) to mmio-base @@ -46,7 +51,6 @@ fb-va encode-int " address" property ;
- \ \ VGA register access \ \ \ reset attribute address flip-flop @@ -75,44 +79,66 @@
decimal create res-table -\ width height htotal hsync hsyncend vtotal vsync vsyncend --pll-- misc - 640 w, 480 w, 800 w, 656 w, 752 w, 525 w, 489 w, 523 w, hex 8d 10 05 cf pll, decimal - 800 w, 600 w, 1056 w, 840 w, 968 w, 628 w, 600 w, 619 w, hex 70 0c 05 0f pll, decimal - 1024 w, 768 w, 1344 w, 1048 w, 1184 w, 806 w, 770 w, 776 w, hex b6 0c 05 cf pll, decimal +\ width height htotal hsync hsyncend vtotal vsync vsyncend --pll-- misc --vckpll--- + 640 w, 480 w, 800 w, 656 w, 752 w, 525 w, 490 w, 523 w, hex 05 10 8d cf pll, 04 10 97 00 pll, decimal \ 25.175 MHz nominal + 800 w, 600 w, 1056 w, 840 w, 968 w, 628 w, 600 w, 619 w, hex 05 0c 70 0f pll, 00 00 00 00 pll, decimal \ 40.000 MHz nominal + 1024 w, 768 w, 1344 w, 1048 w, 1184 w, 806 w, 770 w, 776 w, hex 05 0c b6 cf pll, 00 00 00 00 pll, decimal \ 65.000 MHz nominal
+\ This supposedly matches the Geode setup - 56.199 MHz (Geode is 56.229) +\ 1200 w, 900 w, 1240 w, 1208 w, 1216 w, 912 w, 905 w, 910 w, hex 05 0c 9d cf pll, 00 00 00 00 pll, decimal + \ This clock value doesn't work very well with iga1, but it is good with iga2/lcd - 57.273 MHz -\ 1200 w, 900 w, 1264 w, 1210 w, 1242 w, 912 w, 900 w, 910 w, hex 05 0c a0 cf pll, decimal +\ 1200 w, 900 w, 1264 w, 1210 w, 1242 w, 912 w, 900 w, 910 w, hex 05 0c a0 cf pll, 00 00 00 00 pll, decimal
-\ This supposedly matches the Geode setup - 56.199 MHz (Geode is 56.229) - 1200 w, 900 w, 1240 w, 1208 w, 1216 w, 912 w, 905 w, 910 w, hex 05 0c 9d cf pll, decimal +\ 1200 w, 900 w, 1264 w, 1210 w, 1242 w, 912 w, 900 w, 910 w, hex 85 8c 9d cf pll, 00 00 00 00 pll, decimal +\ 1200 w, 900 w, 1240 w, 1208 w, 1216 w, 912 w, 905 w, 907 w, hex 85 8c 9d cf pll, 00 00 00 00 pll, decimal
-\ 1200 w, 900 w, 1264 w, 1210 w, 1242 w, 912 w, 900 w, 910 w, hex 9d 8c 85 cf pll, decimal -\ 1200 w, 900 w, 1240 w, 1208 w, 1216 w, 912 w, 905 w, 907 w, hex 9d 8c 85 cf pll, decimal +\ VIA's latest recommendation - 56.916 MHz + 1200 w, 900 w, 1240 w, 1206 w, 1214 w, 912 w, 905 w, 907 w, hex 05 0c 9f cf pll, 00 00 00 00 pll, decimal
-\ VIA's latest recommendation - 56.916 MHz -\ 1200 w, 900 w, 1240 w, 1206 w, 1214 w, 912 w, 905 w, 907 w, hex 05 0c 9f cf pll, decimal - 1280 w, 768 w, 1664 w, 1344 w, 1472 w, 798 w, 770 w, 777 w, hex 6f 08 05 4f pll, decimal - 1280 w, 800 w, 1680 w, 1352 w, 1480 w, 831 w, 802 w, 808 w, hex 46 88 83 4f pll, decimal - 1280 w, 1024 w, 1688 w, 1328 w, 1440 w, 1066 w, 1024 w, 1027 w, hex 97 08 05 0f pll, decimal - 1368 w, 768 w, 1800 w, 1440 w, 1584 w, 795 w, 768 w, 771 w, hex 78 88 85 0f pll, decimal - 1440 w, 900 w, 1904 w, 1520 w, 1672 w, 934 w, 902 w, 908 w, hex 77 08 04 4f pll, decimal - 1600 w, 1200 w, 2160 w, 1664 w, 1856 w, 1250 w, 1200 w, 1219 w, hex 71 04 05 0f pll, decimal - 1680 w, 1050 w, 2240 w, 1784 w, 1960 w, 1089 w, 1052 w, 1058 w, hex ce 08 05 4f pll, decimal - 1920 w, 1080 w, 2576 w, 2048 w, 2248 w, 1120 w, 1082 w, 1103 w, hex 79 04 05 0f pll, decimal - 1920 w, 1200 w, 2592 w, 2056 w, 2256 w, 1245 w, 1202 w, 1224 w, hex 87 04 05 4f pll, decimal +0 [if] + 1280 w, 768 w, 1664 w, 1344 w, 1472 w, 798 w, 770 w, 777 w, hex 05 08 6f 4f pll, 00 00 00 00 pll, decimal + 1280 w, 800 w, 1680 w, 1352 w, 1480 w, 831 w, 802 w, 808 w, hex 83 88 46 4f pll, 00 00 00 00 pll, decimal + 1280 w, 1024 w, 1688 w, 1328 w, 1440 w, 1066 w, 1024 w, 1027 w, hex 05 08 97 0f pll, 00 00 00 00 pll, decimal + 1368 w, 768 w, 1800 w, 1440 w, 1584 w, 795 w, 768 w, 771 w, hex 85 88 78 0f pll, 00 00 00 00 pll, decimal + 1440 w, 900 w, 1904 w, 1520 w, 1672 w, 934 w, 902 w, 908 w, hex 04 08 77 4f pll, 00 00 00 00 pll, decimal + 1600 w, 1200 w, 2160 w, 1664 w, 1856 w, 1250 w, 1200 w, 1219 w, hex 05 04 71 0f pll, 00 00 00 00 pll, decimal + 1680 w, 1050 w, 2240 w, 1784 w, 1960 w, 1089 w, 1052 w, 1058 w, hex 05 08 ce 4f pll, 00 00 00 00 pll, decimal + 1920 w, 1080 w, 2576 w, 2048 w, 2248 w, 1120 w, 1082 w, 1103 w, hex 05 04 79 0f pll, 00 00 00 00 pll, decimal + 1920 w, 1200 w, 2592 w, 2056 w, 2256 w, 1245 w, 1202 w, 1224 w, hex 05 04 87 4f pll, 00 00 00 00 pll, decimal +[then] here res-table - constant /res-table
-: /res-entry ( -- n ) 8 /w* la1+ ; +: /res-entry ( -- n ) 8 /w* 2 la+ ;
-\ width height htotal hsync hsyncend vtotal vsync vsyncend --pll-- misc +\ width height htotal hsync hsyncend vtotal vsync vsyncend --pll-- misc --vckpll--- 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 + 640 w, 400 w, 800 w, 688 w, 784 w, 449 w, 413 w, 415 w, hex 03 90 54 67 pll, 04 10 97 00 pll, decimal
-\ width height htotal hsync hsyncend vtotal vsync vsyncend --pll-- misc +\ This standard timing works but you have to adjust the sync by "06 07 33 crt-mask" +\ 640 w, 400 w, 800 w, 656 w, 752 w, 449 w, 413 w, 415 w, hex 03 90 54 67 pll, 04 10 97 00 pll, decimal +\ Standard timings according to http://www.epanorama.net/documents/pc/vga_timing.html: +\ 640(width)+8(border)=648(hblank) 648(hblank)+8(frontporch)=656(hsync) +\ 656(hsync)+96(syncwidth)=752(hsyncend) +\ 752(hsyncend)+40(backporch)=792(hblankend) 792(hblankend)+8(border)=800(htotal) +\ This works when CR33[2:0] = 6 + +\ But the following values actually work - aligning the text properly with the screen - and match BIOS numbers +\ 640(width)+8(border)=648(hblank) 648(hblank)+40(frontporch)=688(hsync) +\ 688(hsync)+96(syncwidth)=784(hsyncend) +\ 784(hsyncend)+8(backporch)=792(hblankend) 792(hblankend)+8(border)=800(htotal) +\ This works when CR33[2:0] = 0 + +\ width height htotal hsync hsyncend vtotal vsync vsyncend --pll-- misc --vckpll--- 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 +\ 640 w, 480 w, 800 w, 672 w, 768 w, 525 w, 490 w, 492 w, hex 05 04 35 e3 pll, 00 00 00 00 pll, decimal + 640 w, 480 w, 800 w, 656 w, 752 w, 525 w, 490 w, 492 w, hex 03 90 54 e3 pll, 04 10 97 00 pll, decimal
+\ Standard timings according to http://www.epanorama.net/documents/pc/vga_timing.html: +\ 640(width)+8(border)=648(hblank) 648(hblank)+8(frontporch)=656(hsync) +\ 656(hsync)+96(syncwidth)=752(hsyncend) +\ 752(hsyncend)+40(backporch)=792(hblankend) 792(hblankend)+8(border)=800(htotal) + 0 value res-entry
: mode-3? ( -- flag ) res-entry mode3-entry = ; @@ -139,8 +165,12 @@
hex
+0 value mode-timing : mode mode-timing to res-entry ; +0 value panel-timing : panel panel-timing to res-entry ; + \ Stored values from table : hdisplay ( -- n ) res-entry 0 wa+ w@ ; +: vdisplay ( -- n ) res-entry 1 wa+ w@ ; : htotal ( -- n ) res-entry 2 wa+ w@ ; : hsync ( -- n ) res-entry 3 wa+ w@ ; : hsyncend ( -- n ) res-entry 4 wa+ w@ ; @@ -148,6 +178,7 @@ : vsync ( -- n ) res-entry 6 wa+ w@ ; : vsyncend ( -- n ) res-entry 7 wa+ w@ ; : pll ( -- l ) res-entry 8 wa+ l@ ; +: vpll ( -- l ) res-entry 8 wa+ la1+ l@ ; : miscval ( -- b ) pll lbsplit nip nip nip ;
\ Derived values @@ -158,26 +189,25 @@ ; : hblankend ( -- n ) \ mode-3? if d# 288 exit then - mode-3? if d# 792 exit then - mode-12? if d# 792 exit then htotal + mode-3? if 8 - then + mode-12? if 8 - then ; -: vdisplay ( -- n ) height ; : vblank ( -- n ) - height - mode-3? if 7 + then + vdisplay + mode-3? if 7 + then \ vertical borders are only 7 in mode 3 mode-12? if 8 + then ; : vblankend ( -- n ) - mode-3? if d# 442 exit then - mode-12? if d# 517 exit then vtotal + mode-3? if 7 - exit then \ vertical borders are only 7 in mode 3 + mode-12? if 8 - exit then ; \ End of section that determines the mode-dependent basic timing parameters
: use-ext-clock ( -- ) misc@ h# c or misc! ; -: set-primary-dotclock ( clock -- ) - lbsplit drop h# 46 seq! h# 45 seq! h# 44 seq! +: set-vclk ( clock -- ) + lbsplit drop h# 44 seq! h# 45 seq! h# 46 seq!
40 seq@ dup 2 or 40 seq! 2 invert and 40 seq! \ Pulse VCK PLL reset high ; @@ -237,10 +267,12 @@ \ : crt-clr ( mask reg# -- ) tuck crt@ swap invert and swap crt! ; : crt-clr crt-clear ;
+ +: bytes>chars ( bytes -- chars ) 3 >> ; +: chars>bytes 3 << ; : pixels>bytes ( pixels -- bytes ) - depth d# 24 = if d# 32 else depth then * 3 >> ( bytes ) + depth d# 24 = if d# 32 else depth then * ( bits ) 3 >> ( bytes ) ; -: bytes>chunks ( bytes -- chunks ) 3 >> 4 round-up ;
: lower-power ( -- ) 7f 19 seq! \ clock gating @@ -332,30 +364,131 @@ general-init legacy-settings tune-fifos lower-power ;
-: set-primary-vga-mode ( -- ) - 80 11 crt-clr \ Enable writing to CRT0-7 - 80 03 crt-set \ Enable vertical retrace access - 01 10 seq! \ Unlock extended registers +: htotal1! ( -- ) + dup bytes>chars 5 - dup 00 crt! 5 >> 08 36 crt-mask ( htotal ) + \ There are some "underflow" bits in CR47 + 6 and case + 0 of 00 endof + 2 of 80 endof + 4 of 40 endof + 6 of 08 endof + endcase + c8 47 crt-mask +; +: hdisplay1! bytes>chars 1- 01 crt! ; +: hblank1! bytes>chars 1- 02 crt! ;
- miscval misc! +: hblankend1! bytes>chars 1- dup 1f 03 crt-mask dup 2 << 80 05 crt-mask 1 >> 20 33 crt-mask ;
-\ 0 0 seq! \ Sequence registers +: hsync1! bytes>chars dup 04 crt! 4 >> 10 33 crt-mask ; +: hsyncend1! bytes>chars 1f 05 crt-mask ;
-\ 01 df 01 seq-mask -\ 00 03 seq! +: vtotal1! 2- dup 06 crt! dup 8 >> 01 07 crt-mask dup 4 >> 20 07 crt-mask d# 10 >> 01 35 crt-mask ; +: vdisplay1! 1- dup 12 crt! dup 7 >> 02 07 crt-mask dup 3 >> 40 07 crt-mask 8 >> 04 35 crt-mask ; + +\ Starting address +: start1! ( offset -- ) lbsplit 3 and 3 48 crt-mask 34 crt! 0d crt! 0c crt! ;
-\ a2 e2 15 seq-mask \ (22 for mode 3, for 6-bit LUT) - 22 e2 15 seq-mask \ (22 for mode 3, for 6-bit LUT) - depth case - 8 of 00 endof - d# 16 of 14 endof - d# 24 of 0c endof - d# 32 of 0c endof +: vsync1! 1- dup 10 crt! dup 6 >> 04 07 crt-mask dup 2 >> 80 07 crt-mask 9 >> 02 35 crt-mask ; +: vsyncend1! 1- 0f 11 crt-mask ; + +: vblank1! 1- dup 15 crt! dup 5 >> 08 07 crt-mask dup 4 >> 20 09 crt-mask 7 >> 08 35 crt-mask ; +: vblankend1! 1- 16 crt! ; + +: hoffset1! ( bytes -- ) bytes>chars dup 13 crt! 3 >> e0 35 crt-mask ; +: hfetch1! ( bytes -- ) bytes>chars 1 >> 4 + dup 1c seq! 8 >> 03 1d seq-mask ; + +: bpp1! ( depth -- ) + case + 8 of 22 endof + d# 16 of b6 endof + d# 32 of ae endof + ( default ) ae swap endcase - 1c 15 seq-mask + fe 15 seq-mask +;
- 28 fd 1a seq-mask \ Extended mode memory access (value is 20 in modes 3 and 12) - +: fifo-depth1! ( n -- ) 1 >> 1- 17 seq! ; +: fifo-threshold1! ( n -- ) 2 >> dup 3f 16 seq-mask 1 << 80 16 seq-mask ; +: expire1! ( n -- ) 2 >> 1f 22 seq-mask ; +: high-threshold1! ( n -- ) 2 >> dup 3f 18 seq-mask 1 << 80 18 seq-mask ; + +\ This calculates the pulse ending position given the low-bits of the +\ end match value, the pulse start position, and the number of bits +\ in the end counter. It is used to work out when a blanking or sync +\ end will occur for a VGA-style timing controller that abbreviates +\ the end counter by omitting the high bits. + +: after-start ( low-bits start mask -- final-value ) + >r ( low-bits start ) + tuck r@ invert and ( start low-bits base-high-bits ) + + ( start provisional-final-value ) + \ If final is less than start, the end will occur on the next + \ wraparound of the counter. + tuck > if ( provisional-final-value ) + r@ 1+ + ( final-value ) + then ( final-value ) + r> drop +; + +: htotal1@ + 00 crt@ 36 crt@ 08 and 5 << or 5 + 3 << + 47 crt@ c8 and case + 08 of 6 + endof + 40 of 4 + endof + 80 of 2 + endof + endcase +; +: hdisplay1@ 01 crt@ 1+ 3 << ; +: hblank1@ 02 crt@ 1+ 3 << ; +\ The mask below should be 7f instead of 3f, but for some reason the standard mode 3 timings +\ don't set the blank end bit [6] in CR33[5], so you get wildly wrong answers with the 7f mask +\ : hblankend1@ 03 crt@ 1f and 05 crt@ 80 and 2 >> or 33 crt@ 20 and 1 << or hblank1@ bytes>chars 1- 3f after-start 1+ 3 << ; +: hblankend1@ 03 crt@ 1f and 05 crt@ 80 and 2 >> or 33 crt@ 20 and 1 << or hblank1@ bytes>chars 1- 7f after-start 1+ 3 << ; +: hsync1@ 04 crt@ 33 crt@ 10 and 4 << or 3 << ; +: hsyncend1@ 05 crt@ 1f and hsync1@ bytes>chars 1f after-start 3 << ; + +: vtotal1@ 06 crt@ 07 crt@ 1 and 8 << or 07 crt@ 20 and 4 << or 35 crt@ 1 and d# 10 << or 2+ ; +: vdisplay1@ 12 crt@ 07 crt@ 2 and 7 << or 07 crt@ 40 and 3 << or 35 crt@ 4 and 8 << or 1+ ; +: vsync1@ 10 crt@ 07 crt@ 4 and 6 << or 07 crt@ 80 and 2 << or 35 crt@ 2 and 9 << or 1+ ; +: vsyncend1@ 11 crt@ 0f and vsync1@ 1- 0f after-start 1+ ; +: vblank1@ 15 crt@ 07 crt@ 8 and 5 << or 09 crt@ 20 and 4 << or 35 crt@ 8 and 7 << or 1+ ; +: vblankend1@ 16 crt@ vblank1@ 1- ff after-start 1+ ; + +: start1@ 0c crt@ 0d crt@ 34 crt@ 48 crt@ 3 and bljoin ; + +: hoffset1@ ( -- bytes ) 13 crt@ 35 crt@ e0 and 3 << or chars>bytes ; +: hfetch1@ ( -- bytes ) 1c seq@ 1d seq@ 03 and 8 << or 4 - 1 << chars>bytes ; + +: bpp1@ ( -- depth ) + 15 seq@ fe and case + 22 of 8 endof + b6 of d# 16 endof + ae of d# 32 endof + ( default ) 8 swap + endcase +; + +: fifo-depth1@ ( -- n ) 17 seq@ 1+ 1 << ; +: fifo-threshold1@ ( -- n ) 16 seq@ 3f and 16 seq@ 80 and 1 >> or 2 << ; +: expire1@ ( -- n ) 22 seq@ 1f and 2 << ; +: high-threshold1@ ( -- n ) 18 seq@ 3f and 18 seq@ 80 and 1 >> or 2 << ; + +: bpp2! ( depth -- ) + case + 8 of 00 endof + d# 16 of 40 endof + d# 32 of c0 endof + ( default ) c0 swap + endcase + c0 67 seq-mask +; +: fifo-depth2! ( n -- ) 3 >> 1- dup 4 << f0 68 crt-mask dup 3 << 80 94 crt-mask 2 << 80 95 crt-mask ; +: fifo-threshold2! ( n -- ) 2 >> dup 0f 68 crt-mask 70 95 crt-mask ; +: expire2! ( n -- ) 2 >> 7f 94 crt-mask ; +: high-threshold2! ( n -- ) 2 >> dup 0f 92 crt-mask 4 >> 07 95 crt-mask ; + +: init-grf-regs ( -- ) " "(00 00 00 00 00 00 05 0f ff)" 0 do ( adr ) dup c@ i grf! 1+ loop drop @@ -369,7 +502,8 @@ \ For mode 13, add: 40 5 grf!
0 20 grf! 0 21 grf! 0 22 grf! - +; +: init-attr-regs ( -- ) \ AT6 is 6 not 14, AT8-f is 8-f, not 38-3f (different intensities) 10 0 do i i attr! loop mode-3? if 0c else 01 then @@ -380,38 +514,68 @@ 13 attr! \ horizontal pixel pan - (08 for text mode 3) 00 14 attr! \ high bits of color palette index
- htotal 3 >> 5 - dup 00 crt! 5 >> 08 36 crt-mask + palette-on +;
- hdisplay 3 >> 1- 01 crt! - hblank 3 >> 1- 02 crt! +: set-primary-vga-mode ( -- ) + 80 11 crt-clr \ Enable writing to CRT0-7 + 80 03 crt-set \ Enable vertical retrace access + 01 10 seq! \ Unlock extended registers
- hblankend 3 >> 1- dup 1f 03 crt-mask dup 2 << 80 05 crt-mask 1 >> 20 33 crt-mask + miscval misc!
- hsync 3 >> dup 04 crt! 4 >> 10 33 crt-mask - hsyncend 3 >> 1f 05 crt-mask +\ 0 0 seq! \ Sequence registers
- vtotal 2- dup 06 crt! dup 8 >> 01 07 crt-mask dup 4 >> 20 07 crt-mask d# 10 >> 01 35 crt-mask - vdisplay 1- dup 12 crt! dup 7 >> 02 07 crt-mask dup 3 >> 40 07 crt-mask 8 >> 04 35 crt-mask +\ 01 df 01 seq-mask +\ 00 03 seq! + + mode-3? if 02 else a2 then e2 15 seq-mask \ (22 for mode 3, for 6-bit LUT) + depth case + 8 of 00 endof + d# 16 of 14 endof + d# 24 of 0c endof + d# 32 of 0c endof + endcase + 1c 15 seq-mask + + 28 fd 1a seq-mask \ Extended mode memory access (value is 20 in modes 3 and 12)
+ init-grf-regs + + init-attr-regs + + htotal htotal1! + + hdisplay hdisplay1! + hblank hblank1! + + hblankend hblankend1! + + hsync hsync1! + hsyncend hsyncend1! + + vtotal vtotal1! + vdisplay vdisplay1! + \ Starting address - 0 0c crt! 0 0d crt! 0 34 crt! 0 3 48 crt-mask + 0 start1!
- vsync dup 10 crt! dup 6 >> 04 07 crt-mask dup 2 >> 80 07 crt-mask 9 >> 02 35 crt-mask - vsyncend 0f 11 crt-mask + vsync vsync1! + vsyncend vsyncend1!
\ Line compare value 3fff ff 18 crt! 10 7 crt-set 40 9 crt-set 10 35 crt-set
\ HSYNC adjust - mode-3? if 01 else mode-12? if 00 else 06 then then + mode-3? if 05 else mode-12? if 00 else 06 then then 07 33 crt-mask \ 01 for text mode 3, 00 for mode 12
\ Max scan line value 0 mode-3? if 0f else 00 then 1f 9 crt-mask 1f 14 crt! \ Underline location
- vblank 1- dup 15 crt! dup 5 >> 08 07 crt-mask dup 4 >> 20 09 crt-mask 7 >> 08 35 crt-mask - vblankend 1- 16 crt! + vblank vblank1! + vblankend vblankend1!
00 08 crt! \ Preset row scan \ 00 32 crt! \ HSYNC delay, SYNC drive, gamma, end blanking, etc Already set @@ -419,33 +583,26 @@
\ Offset mode-3? if - d# 40 +\ d# 512 + d# 320 else width pixels>bytes to /scanline - /scanline bytes>chunks + /scanline then - dup 13 crt! 3 >> e0 35 crt-mask + hoffset1!
\ fetch count - hdisplay pixels>bytes bytes>chunks 8 + dup 1 >> 1c seq! 9 >> 03 1d seq-mask + hdisplay pixels>bytes mode-3? if 2* then hfetch1! ;
-\ XXX unichrome has duplicate setting of regs CR32 and CR33 near end of ViaModePrimaryVGA +: set-primary-mode ( -- ) + width height find-timing-table 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
mode-independent-init
- \ Clean Second Path Status - 00 f6 6a crt-mask - 00 6b crt! - 00 6c crt! - 00 93 crt! +\ 00 93 crt! \ Undocumented register for VX855
set-primary-vga-mode
@@ -453,24 +610,87 @@
\ 08 33 crt-set \ Enable CRT prefetch (VESA BIOS doesn't set this)
-\ depth 8 <> set-gamma \ No gamma for 8bpp palette mode - false set-gamma + depth 8 <> set-gamma \ No gamma for 8bpp palette mode
- mode-3? 0= if - pll set-primary-dotclock - use-ext-clock - then + mode-3? if vpll else pll then set-vclk use-ext-clock + mode-3? if 02 47 crt-set then \ LCD simultaneous mode backdoor register for 8/9 Dot Clocks
\ 01 6b crt-clr \ Appears to be reserved RO bit
80 17 crt-set \ Release reset ;
-: set-secondary-dotclock ( clock -- ) +: set-lcdck ( clock -- ) lbsplit drop h# 4a seq! h# 4b seq! h# 4c seq!
40 seq@ dup 4 or 40 seq! 4 invert and 40 seq! \ Pulse LCDCK PLL reset high ; + +: set-eck ( clock -- ) + lbsplit drop h# 47 seq! h# 48 seq! h# 49 seq! + + 40 seq@ dup 1 or 40 seq! 1 invert and 40 seq! \ Pulse ECK PLL reset high +; + +: htotal2! 1- dup 50 crt! 8 >> 0f 55 crt-mask ; +: hdisplay2! 1- dup 51 crt! 4 >> 70 55 crt-mask ; +: hblank2! 1- dup 52 crt! 8 >> 07 54 crt-mask ; +: hblankend2! 1- dup 53 crt! dup 5 >> 38 54 crt-mask 5 >> 40 5d crt-mask ; + +\ unichrome omits bit 11, which goes in CR5D[7] +: hsync2! 1- dup 56 crt! dup 2 >> c0 54 crt-mask dup 3 >> 80 5c crt-mask 4 >> 80 5d crt-mask ; +: hsyncend2! 1- dup 57 crt! 2 >> 40 5c crt-mask ; + +: vtotal2! 1- dup 58 crt! 8 >> 07 5d crt-mask ; +: vdisplay2! 1- dup 59 crt! 5 >> 38 5d crt-mask ; + +: vblank2! 1- dup 5a crt! 8 >> 07 5c crt-mask ; +: vblankend2! 1- dup 5b crt! 5 >> 38 5c crt-mask ; + +: vsync2! 1- dup 5e crt! 3 >> e0 5f crt-mask ; +: vsyncend2! 1- 1f 5f crt-mask ; + +: hoffset2! ( bytes -- ) bytes>chars dup 66 crt! dup 8 >> 03 67 crt-mask 3 >> 80 71 crt-mask ; +: hfetch2! ( bytes -- ) bytes>chars dup 1 >> 65 crt! 7 >> 0c 67 crt-mask ; + +: start2! ( offset -- ) 2 rshift lbsplit drop 64 crt! 63 crt! fc 62 crt-mask ; +: qdepth! ( depth -- ) 4 lshift f0 68 crt-mask ; \ Unused bits in regs 94 and 95 too + +: htotal2@ 50 crt@ 55 crt@ f and 8 << or 1+ ; +: hdisplay2@ 51 crt@ 55 crt@ 4 >> 7 and 8 << or 1+ ; +: hblank2@ 52 crt@ 54 crt@ 7 and 8 << or 1+ ; +: hblankend2@ 53 crt@ 54 crt@ 3 >> 7 and 8 << or 5d crt@ 6 >> 1 and d# 11 << or 1+ ; +: hsync2@ 56 crt@ 54 crt@ 6 >> 3 and 8 << or 5c crt@ 7 >> 1 and d# 10 << or 5d crt@ 7 >> 1 and d# 11 << or 1+ ; +: hsyncend2@ 57 crt@ 5c crt@ 6 >> 1 and 8 << or hsync2@ 1ff invert and or dup hsync2@ < if 200 + then 1+ ; + +: vtotal2@ 58 crt@ 5d crt@ 7 and 8 << or 1+ ; +: vdisplay2@ 59 crt@ 5d crt@ 3 >> 7 and 8 << or 1+ ; +: vblank2@ 5a crt@ 5c crt@ 7 and 8 << or 1+ ; +: vblankend2@ 5b crt@ 5c crt@ 3 >> 7 and 8 << or 1+ ; +: vsync2@ 5e crt@ 5f crt@ 5 >> 7 and 8 << or 1+ ; +: vsyncend2@ 5f crt@ 1f and vsync2@ 1f invert and or dup vsync2@ < if 20 + then 1+ ; + +: hoffset2@ ( -- bytes ) 66 crt@ 67 crt@ 3 and 8 << or 71 crt@ 7 >> 1 and d# 10 << or chars>bytes ; +: hfetch2@ ( -- bytes ) 65 crt@ 67 crt@ 2 >> 3 and 8 << or 1 << chars>bytes ; + +: start2@ ( -- offset ) 62 crt@ fe and 63 crt@ 64 crt@ 0 bljoin 2 << ; +: qdepth@ ( -- depth ) 68 crt@ f0 and 4 >> ; \ Unused bits in regs 94 and 95 too + +: simultaneous-mode-3? ( -- flag ) height d# 400 = ; +: set-pitch2 ( -- ) + \ Offset - distance from one scanline to the next in the memory array + width pixels>bytes to /scanline + + \ I'm unsure how the 808 is calculated for simultaneous mode 3, but the + \ value is what BIOS uses. It might not matter. + simultaneous-mode-3? if d# 808 else /scanline then hoffset2! + + \ fetch count - number of bytes to fetch from memory for each scanline + \ If this smaller than hdisplay, the last data replicates horizontally to the right + width + simultaneous-mode-3? if 8 + 4 * then + pixels>bytes hfetch2! +; : set-secondary-vga-mode ( mode -- ) depth case 8 of 00 endof @@ -482,48 +702,91 @@
00 20 67 crt-mask \ Turn off interlace bit
- htotal 1- dup 50 crt! 8 >> 0f 55 crt-mask - hdisplay 1- dup 51 crt! 4 >> 70 55 crt-mask - hblank 1- dup 52 crt! 8 >> 07 54 crt-mask - hblankend 1- dup 53 crt! dup 5 >> 38 54 crt-mask 5 >> 40 5d crt-mask + htotal htotal2! + hdisplay hdisplay2! + hblank hblank2! + hblankend hblankend2!
\ unichrome omits bit 11, which goes in CR5D[7] - hsync dup 56 crt! dup 2 >> c0 54 crt-mask dup 3 >> 80 5c crt-mask 4 >> 80 5d crt-mask - hsyncend dup 57 crt! 2 >> 40 5c crt-mask + hsync hsync2! + hsyncend hsyncend2!
- vtotal 1- dup 58 crt! 8 >> 07 5d crt-mask - vdisplay 1- dup 59 crt! 5 >> 38 5d crt-mask + vtotal vtotal2! + vdisplay vdisplay2!
- vblank 1- dup 5a crt! 8 >> 07 5c crt-mask - vblankend 1- dup 5b crt! 5 >> 38 5c crt-mask + vblank vblank2! + vblankend vblankend2!
- vsync dup 5e crt! 3 >> e0 5f crt-mask - vsyncend 1f 5f crt-mask + vsync vsync2! + vsyncend vsyncend2!
- \ Offset - width pixels>bytes to /scanline + set-pitch2 +;
- /scanline bytes>chunks dup 66 crt! dup 8 >> 03 67 crt-mask 6 >> 80 71 crt-mask +: panel-resolution ( -- w h ) d# 1200 d# 900 ;
- \ fetch count - hdisplay pixels>bytes bytes>chunks ( 8 + ) dup 1 >> 65 crt! 7 >> 0c 67 crt-mask +\ Shadow frame buffer - used for mirroring the primary display onto the secondary + +: htotals! bytes>chars 5 - dup 6d crt! 5 >> 08 71 crt-mask ; +: hblankends! bytes>chars 1- 6e crt! ; + +: vtotals! 2- dup 6f crt! 8 >> 07 71 crt-mask ; +: vdisplays! 1- dup 70 crt! 4 >> 70 71 crt-mask ; + +: vblanks! 1- dup 72 crt! 4 >> 70 74 crt-mask ; +: vblankends! 1- dup 73 crt! 8 >> 07 74 crt-mask ; + +: vsyncs! dup 75 crt! 4 >> 70 76 crt-mask ; +: vsyncends! 0f 76 crt-mask ; + +: htotals@ 6d crt@ 71 crt@ 08 and 5 << or 5 + 3 << ; +: hblankends@ 6e crt@ 1+ 3 << ; + +: vtotals@ 6f crt@ 71 crt@ 07 and 8 << or 2+ ; +: vdisplays@ 70 crt@ 71 crt@ 70 and 4 << or 1+ ; + +: vblanks@ 72 crt@ 74 crt@ 70 and 4 << or 1+ ; +: vblankends@ 73 crt@ 74 crt@ 07 and 8 << or 1+ ; + +: vsyncs@ 75 crt@ 76 crt@ 70 and 4 << or ; +: vsyncends@ 76 crt@ 0f and vsyncs@ 0f invert and or dup vsyncs@ < if 10 + then ; + +: set-shadow-vga-mode ( -- ) + panel-resolution find-timing-table if exit then + + htotal htotals! + hblankend hblankends! + + vtotal vtotals! + vdisplay vdisplays! + + vblank vblanks! + vblankend vblankends! + + vsync vsyncs! + vsyncend vsyncends! + + set-pitch2 ;
: random-stuff ( -- ) - 00 62 crt! 00 63 crt! 00 64 crt! \ Second display starting address + 0 start2! \ Second display starting address
- f0 f0 68 crt-mask + f qdepth!
- c8 c8 6a crt-mask \ 2nd display not reset, first hw power sequence - 00 0e 6b crt-mask - 60 60 88 crt-mask \ LVDS sequential - 01 01 8a crt-mask \ LCD adjust LP - 08 7f 94 crt-mask \ Expire number - 11 f7 95 crt-mask \ extension bits + \ The next 2 lines connect IGA2 (second display) to the DVP1 (LCD) output interface + c8 c8 6a crt-mask \ 2nd display enabled (80), not reset (40), first hw power sequence (8) + 00 0e 6b crt-mask \ Simultaneous mode (8) off, IGA2 Screen Disable (4) off, IGA2 Off Selection method (2) for IGA2 + 60 60 88 crt-mask \ LVDS sequential (40), flip by line (20), 24 output bit (1=>0) for no dithering + 01 07 8a crt-mask \ LCD adjust LP 10 10 97 crt-mask \ LVDS channel 2 - secondary display 1b ff 9b crt-mask \ DVP mode - alpha:80, VSYNC:40, HSYNC:20, secondary:10, clk polarity:8, clk adjust:7 - 8b ff a7 crt-mask \ expected vertical display low - 01 07 a8 crt-mask \ expected vertical display high + + 08 7f 94 crt-mask \ Expire number + 11 f7 95 crt-mask \ extension bits for display queue depth and read thresholds + + 8b ff a7 crt-mask \ expected vertical display low (IGA1; maybe irrelevant for secondary channel) + 01 07 a8 crt-mask \ expected vertical display high (IGA1; maybe irrelevant for secondary channel) ;
: set-secondary-mode ( device-width device-height -- ) @@ -532,22 +795,26 @@ 80 17 crt-clr \ Assert reset - Turn off screen set-secondary-vga-mode random-stuff + lower-power \ Turn on power here? - 1e 6c crt-clr - pll set-secondary-dotclock + 1e 6c crt-clr \ 10=>0: VCK source is VCK PLL 0e=>0: LCDCK PLL RefClk from X1 Pin + pll set-lcdck use-ext-clock 80 17 crt-set \ Release reset ;
+: scaling-on ( -- ) 07 07 79 crt-mask ; +: scaling-off ( -- ) 00 07 79 crt-mask ; + : olpc-lcd-mode ( -- ) c0 c0 1b seq-mask \ Secondary display clock on
- d# 1200 d# 900 set-secondary-mode + panel-resolution set-secondary-mode
\ 60 60 9b crt-mask \ Sync polarity - negative 60 60 78 seq-mask \ Sync polarity - negative
- 00 07 79 crt-mask \ Disable scaling + scaling-off \ Disable scaling 00 37 a3 crt-mask \ iga2 from S.L., start addr
30 30 1e seq-mask \ Power up DVP1 pads @@ -557,20 +824,349 @@ \ 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! + 0a f9 crt! \ V1 Mode Exit-to-Ready Time Control (?) + 0d fb crt! \ IGA2 Interlace VSYNC Timing Register \ 00 08 h# 6b crt-mask \ Not simultaneous mode
- 40 40 16 seq-mask \ reserved bits, apparently control something about using crt and lcd at the same time + 40 40 16 seq-mask \ manual says the bit is reserved, but the viafb driver says "CRT path set to IGA2" ; : olpc-crt-off ( -- ) 00 30 1b seq-mask \ IGA1 engine clock off 30 30 36 crt-mask \ DAC off ; +: olpc-crt-on ( -- ) + 30 30 1b seq-mask \ IGA1 engine clock on + 00 30 36 crt-mask \ DAC on +; : olpc-lcd-off ( -- ) 00 c0 1b seq-mask \ IGA2 engine clock off ;
+\ The table of scaling params below appears to be half of a Gaussian function, +\ probably for "Gaussian blur" interpolation. The other half is probably +\ obtained by used the values in a mirror-image fashion. +: set-scaling-params ( -- ) + " "(01 02 03 04 07 0a 0d 13 16 19 1c 1d 1e 1f)" ( adr len ) + 0 do dup i + c@ h# 7a i + crt! loop ( adr ) + drop +; + +: hscale! ( hscale -- ) + \ Distribute the H scale factor among various register bit fields + dup 3 h# 9f crt-mask ( hscale ) + dup 2 rshift h# 77 crt! ( hscale ) + d# 10 rshift 4 lshift h# 30 h# 79 crt-mask ( ) +; +: hscale@ ( -- factor*4096 ) + h# 9f crt@ 3 and + h# 77 crt@ 2 lshift or + h# 79 crt@ 4 rshift 3 and d# 10 lshift or +; +: hscale-on ( -- ) c0 c0 a2 crt-mask ; +: hscale-off ( -- ) 00 c0 a2 crt-mask ; +: vscale! ( vscale -- ) + \ Distribute the V scale factor among various register bit fields + dup 3 lshift 8 h# 79 crt-mask ( vscale ) + dup 1 rshift h# 78 crt! ( vscale ) + 9 rshift 6 lshift h# c0 h# 79 crt-mask ( ) +; +: vscale@ ( -- vscale ) + h# 79 crt@ 3 rshift 1 and + h# 78 crt@ 1 lshift or + h# 79 crt@ 6 rshift 3 and 9 lshift or +; +: vscale-on ( -- ) 08 08 a2 crt-mask ; +: vscale-off ( -- ) 00 08 a2 crt-mask ; + +\ This configures a +: scale-lcd ( -- ) + scaling-on + set-scaling-params \ Interpolation coefficients ( ) + + hdisplay width 2dup > if ( panel mode ) + \ Calculate the H scale factor + 1- d# 4096 rot 1- */ ( hscale ) + hscale! hscale-on ( ) + else ( ) + 2drop hscale-off ( ) + then ( ) + + vdisplay height 2dup > if ( panel mode ) + \ Calculate the V scale factor + 1- d# 2048 rot 1- */ ( vscale ) + vscale! vscale-on ( ) + else ( ) + 2drop vscale-off ( ) + then + + \ vdisplay1 must contain a non-zero value in at least one of its bit + \ fields, otherwise the screen will be blank when vertical scaling is on. + \ Any non-1 (which becomes 0) value in vdisplay1 suffices. + vdisplay1@ 1 = if 0 vdisplay1! then + + set-pitch2 +; + +: set-mode-timing + width height find-timing-table if exit then + res-entry to mode-timing +; +: set-panel-timing + panel-resolution find-timing-table if exit then + res-entry to panel-timing +; + +\ 2ndChanReset 2ndChanEna/Dis !2ndChanReset +: enable-channel2 ( -- ) 40 6a crt-clr 80 6a crt-set 40 6a crt-set ; +: disable-channel2 ( -- ) 40 6a crt-clr 80 6a crt-clr 40 6a crt-set ; + +: simultaneous-on ( -- ) 08 6b crt-set ; +: simultaneous-off ( -- ) 08 6b crt-clr ; + +\ Second channel is IGA2 + + +\ 2ndChannelEna Reserved Simultaneous +: iga1>crt ( -- ) 40 16 seq-clr ; \ Common: 16:00 6a:40 6b:00 +: iga2>crt ( -- ) c0 6a crt-set 40 16 seq-set ; \ 6a maybe should be enable-channel2 +: iga1+2>crt ( -- ) c0 6a crt-set 40 16 seq-set simultaneous-on ; \ 6a maybe should be enable-channel2 + +: pwr1-on ( -- ) 08 6a crt-set ; + +\ Simultaneous 1stHwPwrSeq 2ndChannelEnable +: iga1>lcd ( -- ) simultaneous-off pwr1-on disable-channel2 ; +: iga2>lcd ( -- ) simultaneous-off pwr1-on enable-channel2 ; +: iga1+2>lcd ( -- ) simultaneous-on pwr1-on disable-channel2 ; + +\ CR91 register is "Software Control Power Sequence". The common settings have it at 80, which is +\ the "Off" state for "Software Direct On/Off Display Period in the Panel Path" + +0 [if] +\ CR96 register is not documented in GPM_Chrome9 HCM_R010 +: iga1>dvp0 ( -- ) iga1>lcd 10 96 crt-clr ; +: iga2>dvp0 ( -- ) iga2>lcd 00 91 crt! 10 96 crt-set ; +: iga1+2>dvp0 ( -- ) iga1+2>lcd 00 91 crt! 10 96 crt-set ; +[then] + +\ CR9b register is "Digital Video Port 1 Function Select 0"; 10 bit is primary/secondary data source select +: iga1>dvp1 ( -- ) iga1>lcd 10 9b crt-clr ; +: iga2>dvp1 ( -- ) iga2>lcd 00 91 crt! 10 9b crt-set ; \ This is the mode OLPC normally uses +: iga1+2>dvp1 ( -- ) iga1+2>lcd 00 91 crt! 10 9b crt-set ; + +0 [if] +\ CR99 register is "LVDS Channel 1 Function Select 0"; 10 bit is primary/secondary data source select +: iga1>lvds0 ( -- ) iga1>lcd 10 99 crt-clr ; +: iga2>lvds0 ( -- ) iga2>lcd 10 99 crt-set ; +: iga1+2>lvds0 ( -- ) iga1+2>lcd 10 99 crt-set ; + +alias iga1>lvds0+1 iga1>lvds0 +alias iga2>lvds0+1 iga2>lvds0 +alias iga1+2>lvds0+1 iga1+2>lvds0 + +\ CR99 register is "LVDS Channel 2 Function Select 0"; 10 bit is primary/secondary data source select +: iga1>lvds1 ( -- ) iga1>lcd 10 97 crt-clr ; +: iga2>lvds1 ( -- ) iga2>lcd 10 97 crt-set ; +: iga1+2>lvds1 ( -- ) iga1+2>lcd 10 97 crt-set ; +[then] + +0 value bias +: timing-scale ( value -- value' ) + simultaneous-mode-3? if \ Can't use mode-3? here because res-entry isn't pointing to mode3-entry + \ Ratio of VCK to LCDCK, from known settings for those clocks + d# 338 d# 569 + else + mode hdisplay panel hdisplay + then + */ +; +\ For 640x400 (text mode 3) and 640x480x4 (graphics mode 3) where you need IGA1 for its VGA-ness +: expanded ( -- ) + set-mode-timing + set-panel-timing + + panel htotal timing-scale htotals! + panel htotal timing-scale hblankends! + + \ LCD Tuning.doc does not mention setting the CRTC Htotal (htotal1!) + \ nor the CRTC Hblankend (hblankend1!). I wonder if that means that + \ the shadow values are used instead? + \ mode hdisplay htotal1! + \ mode hblankend hblankend! + + mode hdisplay hdisplay1! + mode hblank hblank1! + + mode hsync hsync1! + mode hsyncend hsyncend1! + + panel htotal htotal2! + panel hdisplay hdisplay2! + + panel hdisplay hblank2! + panel hblankend hblankend2! \ Fine tune + panel hsync hsync2! + panel hsyncend hsyncend2! + + panel vtotal dup vtotal2! vtotals! + panel vdisplay dup vdisplay2! vdisplays! + + panel vdisplay dup vblank2! vblanks! + panel vblankend dup vblankend2! vblankends! + panel vsync dup vsync2! vsyncs! + panel vsyncend dup vsyncend2! vsyncends! + + scale-lcd + + d# 808 hoffset2! \ For mode 3; not sure how it's calculated +\ width pixels>bytes hoffset2! \ This is better for testing as it preserves the pitch the text renderer uses +\ mode hdisplay pixels>bytes d# 400 + hoffset2! \ Panel-specific fudge factor - study !!! + + + mode vpll set-vclk + panel pll set-lcdck + + disable-channel2 + simultaneous-on +; + +: centered ( -- ) + set-mode-timing + set-panel-timing + + scaling-off + + \ To center the display, we move the blanking and sync signals to the + \ so the blanking starts at the right side of the mode-width display + \ that is centered within the larger panel-width area. + \ We preserve the width of the blanking and sync pulses (the same as + \ for the native-resolution case), and also preserve the "front porch" + \ distance between blanking start and sync start. + \ Basically everything - blank start/end and sync start/end - moves + \ left by the same amount. + + \ Compute the bias distance - half the (panel - mode) width difference + panel hdisplay mode hdisplay - 2/ to bias + + panel htotal htotal2! + mode hdisplay hdisplay2! + + panel hdisplay bias - hblank2! + panel hblankend bias - hblankend2! + panel hsync bias - hsync2! + panel hsyncend bias - hsyncend2! + +\ panel hdisplay mode hdisplay - 2/ mode hdisplay + dup hblank2! ( hblank2 ) +\ panel hdisplay mode hdisplay + 2/ dup hblank2! ( hblank2 ) + + \ Move the blanking end by the same amount, keeping the blanking time constant + \ hblankend hblank - is the blanking time +\ dup panel hblankend panel hblank - + hblankend2! ( hblank2 ) + + \ Similarly, move the sync pulse, preserving its width and offset from hblank +\ panel hsync panel hblank - + dup hsync2! ( hsync2 ) +\ panel hsyncend panel hsync - + hsyncend2! ( ) + + \ The offset and fetch counts for the inset display are the mode values + mode hdisplay pixels>bytes hfetch2! + mode hdisplay pixels>bytes d# 80 - hoffset2! + + \ The primary (IGA1) engine uses the mode values + mode hdisplay htotal1! \ Added; not in LCD Tuning.doc + mode hdisplay hdisplay1! \ !! possible adjust by +1 + + mode hdisplay hblank1! + mode hblankend hblankend1! + +\ panel htotal hblankends! Was here + + mode hsync hsync1! + mode hsyncend hsyncend1! + + mode hdisplay pixels>bytes hfetch1! \ Added; not in LCD Tuning.doc + mode hdisplay pixels>bytes hoffset1! \ Added; not in LCD Tuning.doc + + \ XXX turn off scaling + +\ width pixels>bytes hoffset2! was here + + \ The shadow uses the panel size for horizontal + panel htotal htotals! + panel htotal hblankends! + + \ The vertical is similar to the horizontal - mode-width display inset + \ in the panel total, with blanking and sync pulses moved upward for centering. + \ The vertical timings for the secondary and shadow controllers are the same in this case. + panel vdisplay mode vdisplay - 2/ to bias + + panel vtotal dup vtotal2! vtotals! + mode vdisplay dup vdisplay2! vdisplays! + + panel vdisplay bias - dup vblank2! vblanks! + panel vblankend bias - dup vblankend2! vblankends! + panel vsync bias - dup vsync2! vsyncs! + panel vsyncend bias - dup vsyncend2! vsyncends! + + panel pll set-vclk + panel pll set-lcdck + + enable-channel2 \ Ensure that second display channel is on +; + +: common-settings ( -- ) + 01 FF 10 seq-mask \ Unlock + 02 02 15 seq-mask \ Enable extended display mode + 08 BF 16 seq-mask \ Display FIFO normal threshold + 1F FF 17 seq-mask \ Display FIFO depth + 4E FF 18 seq-mask \ PREQ higher than TREQ (40), Display FIFO High Reg Threshold + 08 FB 1A seq-mask \ Disable read cache, Not reset, Enable extended mode memory access, primary LUT + F0 FF 1B seq-mask \ Gated primary and secondary clocks, Primary LUT on + 01 07 1E seq-mask \ ROC ECK On + 00 F0 2A seq-mask \ Original Type Spread Spectrum Control + 00 FF 58 seq-mask \ Display FIFO Low Threshold + 00 FF 59 seq-mask \ Disable numerous GFX-NM modes and IGA1 + FF FF 2D seq-mask \ VCK and LCK PLL power on - several clocks gated + 00 FF 09 crt-mask \ Initial crt-mask09=0 + 00 8F 11 crt-mask \ IGA1 initial Vertical end + 00 7F 17 crt-mask \ IGA1 CRT Mode control init + 1E FF 0A crt-mask \ Cursor Start + 00 FF 0B crt-mask \ Cursor End + 00 FF 0E crt-mask \ Cursor Location High + 00 FF 0F crt-mask \ Cursor Location Low + 00 FF 32 crt-mask \ HSYNC no delay, Low CRT Sync, Disable Display End Blanking, Disable DVP Gamma, Frame flipping + 00 7F 33 crt-mask \ Primary Display No interlace, overflow bits, Disable prefetch mode, 3-character early HSYNC + 00 FF 34 crt-mask \ Starting address overflow + 00 FF 35 crt-mask \ Overflow for several parameters + 00 08 36 crt-mask \ Htotal overflow + 00 FF 69 crt-mask \ Disable second display interrupt + 60 FD 6A crt-mask \ Enable and unreset second display channel + 00 FF 6B crt-mask \ Various normal modes + 00 FF 6C crt-mask \ VCK and LCDCK - ref from X1, PLL output + 01 FF 7A crt-mask \ LCD Scaling Parameter 1 + 02 FF 7B crt-mask \ LCD Scaling Parameter 2 + 03 FF 7C crt-mask \ LCD Scaling Parameter 3 + 04 FF 7D crt-mask \ LCD Scaling Parameter 4 + 07 FF 7E crt-mask \ LCD Scaling Parameter 5 + 0A FF 7F crt-mask \ LCD Scaling Parameter 6 + 0D FF 80 crt-mask \ LCD Scaling Parameter 7 + 13 FF 81 crt-mask \ LCD Scaling Parameter 8 + 16 FF 82 crt-mask \ LCD Scaling Parameter 9 + 19 FF 83 crt-mask \ LCD Scaling Parameter 10 + 1C FF 84 crt-mask \ LCD Scaling Parameter 11 + 1D FF 85 crt-mask \ LCD Scaling Parameter 12 + 1E FF 86 crt-mask \ LCD Scaling Parameter 13 + 1F FF 87 crt-mask \ LCD Scaling Parameter 14 + 40 FF 88 crt-mask \ LCD Panel Type - first channel sequential, flip by frame, 24 bits + 00 FF 89 crt-mask \ LCD Timing Control 0 - not documented + 88 FF 8A crt-mask \ LCD Timing Control 1 - 88 is reserved bits - rest is FLM and LP adjust valuse + 81 FF D4 crt-mask \ Second power sequence control - LVDS Second Channel2 Sequential format, Power Seq Timer secondary + 80 FF 91 crt-mask \ 24/12 bit LVDS Data off (doc calls this bit "Software Direct On/Off Display Period in the Panel Path" + 00 FF 96 crt-mask \ Overflow bits for display q depth, read thresholds 1 and 2 + 00 FF 97 crt-mask \ LVDS Channel 2 - data source from primary display + 00 FF 99 crt-mask \ LVDS Channel 1 - data source from primary display + 00 FF 9B crt-mask \ DVP mode + FF FF D2 crt-mask \ TMDS/LVDS control register. - turn on various enables and some reserved bits +; + hex 0 [if] : .cr @@ -599,17 +1195,53 @@ [then]
: init-primary-display ( -- ) - width height set-primary-mode + panel-resolution set-primary-mode ;
+: .scale ( factor denom -- ) + push-decimal + d# 1000 swap */ ( factor*1000 ) + <# u# u# u# [char] . hold u#> type + pop-base +; +: .scale-factors ( -- ) + ." Hscale: " hscale@ d# 4096 .scale space + ." Vscale: " vscale@ d# 4096 .scale cr +; + +: .3 3 u.r ; +: .5 5 u.r ; +: .timings + push-decimal + ." IGA1: " + hdisplay1@ .5 hblank1@ .5 hsync1@ .5 hsyncend1@ .5 hblankend1@ .5 htotal1@ .5 + 2 spaces + vdisplay1@ .5 vblank1@ .5 vsync1@ .5 vsyncend1@ .5 vblankend1@ .5 vtotal1@ .5 + cr + ." IGA2: " + hdisplay2@ .5 hblank2@ .5 hsync2@ .5 hsyncend2@ .5 hblankend2@ .5 htotal2@ .5 + 2 spaces + vdisplay2@ .5 vblank2@ .5 vsync2@ .5 vsyncend2@ .5 vblankend2@ .5 vtotal2@ .5 + cr + ." Shad: " + htotals@ .5 hblankends@ .5 + d# 22 spaces + vdisplays@ .5 vblanks@ .5 vsyncs@ .5 vsyncends@ .5 vtotals@ .5 vblankends@ .5 + cr + ." fetch1: " hfetch1@ . ." offset1: " hoffset1@ . ." fetch2: " hfetch2@ . ." offset2: " hoffset2@ . + hex + ." bpp: " bpp1@ . cr + ." VCK: " h# 44 seq@ .3 h# 45 seq@ .3 h# 46 seq@ .3 cr + ." ECK: " h# 47 seq@ .3 h# 48 seq@ .3 h# 49 seq@ .3 cr + ." LCK: " h# 4a seq@ .3 h# 4b seq@ .3 h# 4c seq@ .3 cr + ." MISC " misc@ .x + .scale-factors + pop-base +; + defer init-display ' init-primary-display is init-display
-: init-frame-buffer ( -- ) \ Initializes the controller -\ smb-init -\ set-dac-colors \ Set up initial color map -\ video-on \ Turn on video - - map-frame-buffer +: erase-frame-buffer ( -- ) fb-va /fb ( adr len ) depth case 8 of h# 0f fill endof @@ -618,9 +1250,11 @@ ( default ) nip nip endcase h# f to background-color - - fb-va /fb + to graphmem ; +: init-frame-buffer ( -- ) \ Initializes the controller + map-frame-buffer + erase-frame-buffer +;
defer gp-install ' noop to gp-install
@@ -630,6 +1264,14 @@ /scanline depth fb-install gp-install ( ) ;
+: set-scaled-resolution ( new-width new-height -- ) + depth set-resolution ( ) + scale-lcd + set-fb + " page" evaluate +\ erase-frame-buffer +; + 0 value open-count
: display-remove ( -- ) @@ -684,3 +1326,578 @@ \ WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. \ \ LICENSE_END +0 [if] +Mode 3 +ok .dpy +ATR 0 1 2 3 4 5 14 7 38 39 3a 3b 3c 3d 3e 3f c 0 f 8 0 +SEQ 3 0 3 0 2 +GRF 0 0 0 0 0 10 e 0 ff + 0 1 2 3 4 5 6 7 8 9 a b c d e f +C00 5f 4f 50 82 55 81 bf 1f 0 4f d e 0 0 1 40 htotal1:800 hdisplay1:640 hblank1:648 hblend1:280?? hsync:680 +C10 9c 6e 8f 28 1f 96 b9 a3 ff hfetch1: hoffset1: 28=>320 vsync: 19c = 412 (not subtracted) +C30 8 0 11 0 0 0 1 34 d3 19 e7 2 8 64 20 b +C40 0 0 0 90 0 0 0 2 0 +C50 d7 af af d7 24 c4 b6 be 8f 83 83 8f 9b 1b 84 6e htotal2: 1240 + hfetch2: 836 hoffset2: 808 htotals: 57=>736 - this matches the vck/lcdck ratio WRT htotal2 of 1240 +C60 ce 72 0 0 0 a2 65 0 f0 0 48 e 0 57 5b 8e !! CR6b[3] simultaneous mode, [2] IGA2 off secondary_dpy_off + (6a:80) hblankends: 5b=>736 +C70 83 33 83 8f 33 85 3f 22 c7 6b 1 2 3 4 7 a hscale: 0t2184 (639*4096/1199) + 60 +C80 d 13 16 19 1c 1d 1e 1f e1 0 1 5d 2b 0 b5 1 +C90 10 1f 0 0 8 11 0 10 0 0 0 1b 0 0 0 0 +CA0 0 0 c8 0 8 c3 f9 8b 1 0 0 0 0 0 0 0 +CD0 0 0 2b 0 c0 0 0 0 0 0 0 0 0 0 0 0 +CE0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 + d +CF0 0 0 0 92 0 0 0 c0 0 a 0 0 0 +S10 1 78 8 0 0 0 4c 1f 4e 7f 0 f0 54 0 31 hfetch1: 54 => 1360 ?? secondary_dpy_clk is on (rx1b) +S20 0 18 14 3d c 0 0 ff ff +S30 0 6 11 1d c 20 ff + + vck: 33.827 ratio of vck to lcdck is 59%, whereas scale factor percent is 53% + eck: 250.568 +lcdck: 56.914 + vck..... eck..... lcdck... +S40 38 40 30 ff 97 10 4 69 84 3 9f 8c 5 30 0 5f +S50 1f 0 0 ff 0 0 ff 0 6 df 0 51 21 f0 0 0 +S60 0 0 0 40 20 d 20 20 80 20 0 0 0 80 1 0 +S70 20 0 f 0 1f 1f 0 0 86 8 10 0 c8 0 0 0 +SA8 0 0 80 80 0 0 0 0 +G20 0 0 0 + +Mode 115 - 800x600x32 +ok .dpy +ATR 0 1 2 3 4 5 14 7 38 39 3a 3b 3c 3d 3e 3f 1 0 f 0 0 +SEQ 3 1 f 0 e +GRF 0 0 0 0 0 0 5 f ff + 0 1 2 3 4 5 6 7 8 9 a b c d e f +C00 5f 4f 4f 83 52 9e b 3e 0 40 d e 0 0 1 40 +C10 e9 1b df 50 1f df c a3 ff +C30 8 0 11 26 0 10 1 34 d3 19 e7 2 8 64 20 b +C40 0 0 0 90 0 0 0 0 0 +C50 d7 af af d7 24 c4 b6 be 8f 83 83 8f 9b 1b 84 6e vtotal2,s 912 vdisplay2,s 900 vblank2,s 900 vblankend2,s 912 +C60 4a 71 0 0 0 c8 90 c1 f0 0 c8 0 0 57 5b 8e htotals 736 hblankends 736 - probably not used in this mode +C70 83 33 83 8f 33 85 3f aa ab a3 1 2 3 4 7 a vsync2,s 900 hfetch2 +C80 d 13 16 19 1c 1d 1e 1f e1 0 1 5d 2b 0 b5 1 +C90 10 1f 0 0 8 11 0 10 0 0 0 1b 0 0 0 2 +CA0 0 0 c8 0 8 c3 f9 8b 1 0 0 0 0 0 0 0 +CD0 0 0 2b 0 c0 0 0 0 0 0 0 0 0 0 0 0 +CE0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 +CF0 0 0 0 92 0 0 0 c0 0 a 0 d 0 +S10 1 78 8 0 0 22 4c 1f 4e 7f 8 f0 2c 0 31 +S20 0 18 14 3d c 0 0 ff ff +S30 0 6 11 1d c 20 ff +vck: 25.236 + vck..... eck..... lcdck... +S40 38 40 30 ff 8d 10 5 69 84 3 9f 8c 5 30 0 5f +S50 1f 0 0 ff 0 0 ff 0 8 5f 0 51 21 f0 0 0 +S60 0 0 0 40 20 d 20 20 80 20 0 0 0 80 1 0 +S70 20 0 f 0 1f 1f 0 0 86 8 10 0 c8 0 0 0 +SA8 0 0 80 80 0 0 0 0 +G20 0 0 0 + +Mode 118 - 1024x768x32 + +ok .dpy +N: ATR 3a 38 38 3c 38 3a 39 39 38 3c 3b 3c 3e 3a 38 3c 38 b9 38 d 8 +P: ATR 0 1 2 3 4 5 6 7 8 9 a b c d e f 1 0 f 0 0 + ATR 0 1 2 3 4 5 14 7 38 39 3a 3b 3c 3d 3e 3f 1 0 f 0 0 + +N: SEQ 0 0 0 0 0 +P: SEQ (same as phx) + SEQ 3 1 f 0 e + +N:GRF 0 0 0 +P:GRF (same as phx) + GRF 0 0 0 0 0 0 5 f ff + + 0 1 2 3 4 5 6 7 8 9 a b c d e f + +NC00 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 +PC00 a3 7f 7f 87 83 94 24 f5 0 60 d e 0 0 4 60 +C00 5f 4f 4f 83 52 9e b 3e 0 40 d e 0 0 1 40 + +NC10 0 0 0 0 0 0 0 80 0 +PC10 2 18 ff 0 ff 25 +C10 e9 1b df 50 1f df c a3 ff + signatur scratchpadreg +NC30 0 0 10 0 0 0 1 34 6d 2e 77 0 0 74 0 0 +PC30 6 30 6d 2e 77 1 74 0 0 +C30 8 0 11 26 0 10 1 34 d3 19 e7 2 8 64 20 b + +NC40 80 (RO bits) +PC40 80 (RO bits) +C40 0 0 0 90 0 0 0 0 0 + +Phoenix moves the Hsync -2 (1206 vs 1208) and the Vsync -5 (900 vs 905) + Hsync,Hsyncend Vsync +N: b8 c0 89 (syncs) +P: b8 c0 89 (syncs) +C50 d7 af af d7 24 c4 b6 be 8f 83 83 8f 9b 1b 84 6e + 4 8 c + offset phx: 0200 (1024*Bpp/8) N: 012c (1200*Bpp/8) + qcount phx: 0100 (1024*Bpp/16) N: 0096 (1200*Bpp/8) + modetiming iga2en shadow.. +NC60 RO RO 96 2c 41 fa aa 5a +PC60 0 10 0 0 0 96 2c 41 8 fa aa 5a +C60 d 70 0 0 0 0 0 c6 f0 0 c8 0 0 57 5b 8e + + shadow.............. scale... sclparams....... +NC70 ab 2a eb ea fa ab 3a 0 3f 38 f b f a a 1d +PC70 ab 2a eb ea fa ab 3a 0 3f 38 f b f a a 1d +C70 83 33 83 8f 33 85 3f 69 6a f3 1 2 3 4 7 a + + ....................... pnl pwrsequence... +NC80 1b e b a 1b e 1a b 60 0 1 ca ca ca ca 11 +PC80 1b e b a 1b e 1a b 60 0 1 ca ca ca ca 11 +C80 d 13 16 19 1c 1d 1e 1f e1 0 1 5d 2b 0 b5 1 + + .. di hscl +NC90 11 0 0 0 8 11 0 10 0 0 0 1b 0 0 0 0 +PC90 11 0 0 0 8 11 0 10 0 0 0 1b 0 0 0 0 +C90 10 1f 0 0 8 11 0 10 0 0 0 1b 0 0 0 3 + + scl scl...... +NCA0 0 0 0 0 3 0 0 8b 1 0 0 0 0 0 0 0 +PCA0 0 0 0 0 3 0 0 8b 1 0 0 0 0 0 0 0 +CA0 0 0 c8 0 8 c3 f9 8b 1 0 0 0 0 0 0 0 + + none of these bits seem to have an effect + LVDS 2nd chnl output format - sequential, 18 bits (no effect?) +NCD0 0 0 c8 0 0 0 0 0 0 0 0 0 0 0 0 0 +PCD0 0 0 b 0 c0 0 0 0 0 0 0 0 0 0 0 0 +CD0 0 0 2b 0 c0 0 0 0 0 0 0 0 0 0 0 0 + +CE0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 + + snapshot spread-spectrum +NCF0 0 0 0 80 0 0 0 0 0 a 0 d 0 +PCF0 0 0 0 80 0 0 0 c0 0 a 0 d 0 +CF0 0 0 0 92 0 0 0 c0 0 a 0 d 0 + + FIFO + Fifodepth mode DVP1_power,ROCECKon + threshold ext_mem_acc(8),dvi(30) + wraparound(20),ext_disp_mode_ena(2)! +NS10 0 40 0 0 30 0 +PS10 36 30 7f 60 60 7f 8 f0 84 (F0 is RO, ) +S10 1 78 8 0 0 22 4c 1f 4e 7f 8 f0 2c 0 31 rr + + queuing. +NS20 4 e 0 +PS20 10 +S20 0 18 14 3d c 0 0 ff ff + +PS30 4 ( SR3d - VGIO4 pin status ) +S30 0 6 11 1d c 20 ff + + vck: phx: 25.236 p: 65.148 n: 25.056 + eck: phx: 250.568 (not best) N,p: 108.818 +lcdck: phx: 56.914 PM 55 N,p: 56.199 PM 55 + + arbiter + arbiter vck....! eck....! lcdck..! arbiter + 1/8ECKinIdle +NS40 0 b0 10 54 90 3 79 88 4 9d c 5 8 +PS40 b0 10 b6 c 79 88 4 9d c 5 + + vck..... eck..... lcdck... +S40 38 40 30 ff 8d 10 5 69 84 3 9f 8c 5 30 0 5f + + NB-fifo-enable iga1-ena timer + arbiter gfx-nm pcpc dynamic clock +NS50 3f 0 df 0 +PS50 81 df 0 +S50 1f 0 0 ff 0 0 ff 0 8 5f 0 51 21 f0 0 0 + + FBsize + GTI.. GTI + i2c dvp_drive_strength FBbbase +NS60 0 0 c8 c8 e0 c8 e0 0 +PS60 0 e0 e0 0 +S60 0 0 0 40 20 d 20 20 80 20 0 0 0 80 1 0 + + gti.. + arb........ IGA1_hsync(60),clk/1024(6)! +NS70 c8 4 1d 33 e0 c8 c8 +PS70 4 33 e0 +S70 20 0 f 0 1f 1f 0 0 86 8 10 0 c8 0 0 0 + +SA8 0 0 80 80 0 0 0 0 +G20 0 0 0 + +ok .dpy + +1280x1024 Mode 11b + +ATR 0 1 2 3 4 5 14 7 38 39 3a 3b 3c 3d 3e 3f 1 0 f 0 0 +SEQ 3 1 f 0 e +GRF 0 0 0 0 0 0 5 f ff + 0 1 2 3 4 5 6 7 8 9 a b c d e f +C00 5f 4f 4f 83 52 9e b 3e 0 40 d e 0 0 1 40 +C10 e9 1b df 50 1f df c a3 ff +C30 8 0 11 26 0 10 1 34 d3 19 e7 2 8 64 20 b +C40 0 0 0 90 0 0 0 0 0 +C50 d7 af af d7 24 c4 b6 be 8f 83 83 8f 9b 1b 84 6e +C60 8e 71 0 0 0 2c 80 c6 f0 0 c8 0 0 57 5b 8e +C70 83 33 83 8f 33 85 3f 69 6a f0 1 2 3 4 7 a +C80 d 13 16 19 1c 1d 1e 1f e1 0 1 5d 2b 0 b5 1 +C90 10 1f 0 0 8 11 0 10 0 0 0 1b 0 0 0 3 +CA0 0 0 0 0 8 c3 f9 8b 1 0 0 0 0 0 0 0 +CD0 0 0 2b 0 c0 0 0 0 0 0 0 0 0 0 0 0 +CE0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 +CF0 0 0 0 92 0 0 0 c0 0 a 0 d 0 +S10 1 78 8 0 0 22 4c 1f 4e 7f 8 f0 2c 0 31 +S20 0 18 14 3d c 0 0 ff ff +S30 0 6 11 1d 4 20 ff + +vck: 25.236 + vck..... eck..... lcdck... +S40 38 40 30 ff 8d 10 5 69 84 3 9f 8c 5 30 0 5f +S50 1f 0 0 ff 0 0 ff 0 8 5f 0 51 21 f0 0 0 +S60 0 0 0 40 20 d 20 20 80 20 0 0 0 80 1 0 +S70 20 0 f 0 1f 1f 0 0 86 8 10 0 c8 0 0 0 +SA8 0 0 80 80 0 0 0 0 +G20 0 0 0 + + Native 1200x900 LCD only + +ok .dpy +ATR 3a 38 38 3c 38 3a 39 39 38 3c 3b 3c 3e 3a 38 3c 38 b9 38 d 8 +SEQ 0 0 0 0 0 +GRF 0 0 0 0 0 0 0 0 0 + 0 1 2 3 4 5 6 7 8 9 a b c d e f +C00 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 +C10 0 0 0 0 0 0 0 80 0 +C30 0 0 10 0 0 0 1 34 6d 2e 77 0 0 74 0 0 +C40 0 0 0 80 0 0 0 0 0 +C50 d7 af af d7 24 c4 b8 c0 8f 83 83 8f 9b 1b 89 6e +C60 ae 51 0 0 0 96 2c 41 f0 0 c8 0 0 fa aa 5a +C70 ab 2a eb ea fa ab 3a 0 3f 38 f b f a a 1d +C80 1b e b a 1b e 1a b 60 0 1 ca ca ca ca 11 +C90 11 0 0 0 8 11 0 10 0 0 0 1b 0 0 0 0 +CA0 0 0 0 0 3 0 0 8b 1 0 0 0 0 0 0 0 +CD0 0 0 c8 0 0 0 0 0 0 0 0 0 0 0 0 0 +CE0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 +CF0 0 0 0 80 0 0 0 0 0 a 0 d 0 +S10 1 78 8 0 0 0 40 0 0 7f 30 f0 0 0 31 +S20 4 e 0 3d c 0 0 ff ff +S30 0 6 11 1d c 20 ff +S40 0 b0 10 ff 54 90 3 79 88 4 9d c 5 8 0 5f +S50 3f 0 0 ff 0 0 ff 0 0 df 0 51 21 0 0 0 +S60 0 0 0 0 20 0 c8 c8 e0 c8 0 0 0 e0 0 0 +S70 c8 4 1d 33 1f 1f 0 0 e0 c8 c8 0 c8 0 0 0 +SA8 0 0 80 80 0 0 0 0 +G20 0 0 0 + +\ After d# 1024 d# 768 d# 16 set-resolution width height init-primary-mode +\ "P" case +ok .dpy +ATR 0 1 2 3 4 5 6 7 8 9 a b c d e f 1 0 f 0 0 +SEQ 3 1 f 0 e +GRF 0 0 0 0 0 0 5 f ff + 0 1 2 3 4 5 6 7 8 9 a b c d e f +C00 a3 7f 7f 87 83 94 24 f5 0 60 d e 0 0 4 60 +C10 2 18 ff 0 1f ff 25 a3 ff +C30 8 0 11 6 0 30 1 34 6d 2e 77 1 8 74 0 0 +C40 0 0 0 80 0 0 0 0 0 +C50 d7 af af d7 24 c4 b8 c0 8f 83 83 8f 9b 1b 89 6e +C60 0 10 0 0 0 96 2c 41 f0 0 8 0 0 fa aa 5a +C70 ab 2a eb ea fa ab 3a 0 3f 38 f b f a a 1d +C80 1b e b a 1b e 1a b 60 0 1 ca ca ca ca 11 +C90 11 0 0 0 8 11 0 10 0 0 0 1b 0 0 0 0 +CA0 0 0 0 0 3 0 0 8b 1 0 0 0 0 0 0 0 +CD0 0 0 b 0 c0 0 0 0 0 0 0 0 0 0 0 0 +CE0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 +CF0 0 0 0 80 0 0 0 c0 0 a 0 d 0 +S10 1 78 8 0 0 36 60 7f 60 7f 8 f0 84 0 31 +S20 0 18 10 3d c 0 0 ff ff +S30 0 6 11 1d 4 20 ff +S40 38 b0 10 ff b6 c 5 79 88 4 9d c 5 30 0 5f +S50 1f 81 0 ff 0 0 ff 0 8 df 0 51 21 0 0 0 +S60 0 0 0 0 20 d 20 20 e0 20 0 0 0 e0 0 0 +S70 20 4 f 33 1f 1f 0 0 e0 8 10 0 c8 0 0 0 +SA8 0 0 80 80 0 0 0 0 +G20 0 0 0 + +OFW mode 3 centered +ok .dpy +ATR 0 1 2 3 4 5 14 7 38 39 3a 3b 3c 3d 3e 3f c 0 f 8 0 +SEQ 3 0 3 0 2 +GRF 0 0 0 0 0 10 e 0 ff + 0 1 2 3 4 5 6 7 8 9 a b c d e f + 1 40 Cursor loc +C00 5f 4f 50 82 55 81 bf 1f 0 4f d e 0 0 ff ff + 6e 11: Protect, bandwidth, disable vert intr +C10 9c 8e 8f 28 1f 96 b9 a3 ff + 0 0 d3 19 e7 2 64 20 b 33: HSYNC adjust 35: Line compare[10] 38-3f: signature, scratch +C30 8 0 11 1 0 10 1 34 6d 2e 77 1 8 74 0 0 + 43 is not really RO + 90 2 43: reserved-RO 47: LCD simultaneous mode backdorr 8/9 dot clks +C40 0 0 0 80 0 0 0 0 0 + + Xaf af d7 c4 b6 be 8f 83 83 8f 9b 1b 84 6e IGA2 timing - different because centering +C50 d7 7f 97 bf db a4 9f a7 8f 8f 89 95 52 b 8e 53 + + !! !! !! 6b: IGA2 screen on!!! 6d-6e: shadow + XRO RO 0 a2 65 0 e 57 5b 62: 2 is reserved bit! - not really RO. 65-67: fetch,offset +C60 c2 52 2 0 0 28 48 40 f0 0 48 8 0 96 9a 8e + + 83 33 83 8f 33 85 3f 22 c7 6b 1 2 3 4 7 a 70-76: shadow 77-79: scaling 7a-87: scaling params ... +C70 8f 13 89 95 aa 8f 24 0 1f 18 f f f e b 1d + + d 13 16 19 1c 1d 1e 1f e1 5f 2b b5 1 88: lcd panel type 8b-92: power sequence ctl +C80 1b e b a 1b f 1e b 60 0 1 ca ca ca ca 11 + + 10 1f +C90 11 0 0 0 8 11 0 10 0 0 0 1b 0 0 0 0 + + c8 8 c3 f9 a2: scaling enable a4: undocumented a5-a6: scaling +CA0 0 0 0 0 3 0 0 8b 1 0 0 0 0 0 0 0 + + 2b c0 +CD0 0 0 c8 0 0 0 0 0 0 0 0 0 0 0 0 0 d2: lvds control d4: lvds2 second power sequence +CE0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 + 92 0 +CF0 0 0 0 80 0 0 0 c0 0 a 0 d 0 f3: snapshot fb: interlace timing + 4c 0 16: reserved bit! but important 1a: Which LUT ! +S10 1 78 8 0 0 0 c 1f 4e 7f 1 f0 54 0 31 + 14 22: fifo +S20 0 18 10 3d c 0 0 ff ff + c 3d: vgpio4 pin status +S30 0 6 11 1d 4 20 ff + 33.827MH 250.568MHz 56.914MH + 59.198MH 108.281MHz 59.198MH + 40 30 97 10 4 69 84 3 9f 8c 41-42: arbiter 44-: vck 47-: eck 4a-: lcdck +S40 38 b0 10 ff 9d c 5 79 88 4 9d c 5 30 0 5f + 51 f0 5b: RO 5d: timer +S50 1f 0 0 ff 0 0 ff 0 6 df 0 21 21 0 0 0 + 40 d 80 80 1 64: I2C 66: GTI 68: fbsize 6d-6e: fbbase +S60 0 0 0 0 20 0 20 20 e0 20 0 0 0 e0 0 0 + 86 78: sync polarity, clock source +S70 20 0 f 0 1f 1f 0 0 e0 8 10 0 c8 0 0 0 +SA8 0 0 80 80 0 0 0 0 +G20 0 0 0 + +OFW mode 3 expanded +ATR 0 1 2 3 4 5 14 7 38 39 3a 3b 3c 3d 3e 3f c 0 f 8 0 +SEQ 3 0 3 0 2 +GRF 0 0 0 0 0 10 e 0 ff + 0 1 2 3 4 5 6 7 8 9 a b c d e f +C00 5f 4f 50 82 55 81 bf 1f 0 4f d e 0 0 ff ff 1e,f: cursor lock + 6e 8f +C10 9c 8e ff 28 1f 96 b9 a3 ff + signature....scratch.. +C30 8 0 11 1 0 14 1 34 0 0 0 1 8 74 0 0 + 2 backdoor for 8/9 dot clocks +C40 0 0 0 90 0 0 0 0 0 + b6 be 84 6e +C50 d7 af af d7 24 c4 b7 bf 8f 83 83 8f 9b 1b 88 6d + a2 65 00 57 5b !! 65: fetch 66: offset 67: bpp 6d,e: shadow +C60 22 52 0 0 0 28 50 40 f0 0 48 e 0 4d 51 8e + 33r85 3f 22 c7 6b +C70 83 33 83 8f bb 89 3e 21 c6 67 1 2 3 4 7 a + 5d 2b 0 b5 1 8b-92: power sequence ctl +C80 d 13 16 19 1c 1d 1e 1f e1 0 1 ca ca ca ca 11 + 10 1f 0 9f: hscale +C90 11 0 0 0 8 11 0 10 0 0 0 1b 0 0 0 2 + 8 a4: undocumented +CA0 0 0 c8 0 3 0 0 8b 1 0 0 0 0 0 0 0 +CD0 0 0 2b 0 c0 0 0 0 0 0 0 0 0 0 0 0 +CE0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 + 92 f3: snapshot +CF0 0 0 0 80 0 0 0 c0 0 a 0 0 0 + 4c 0 16: undocumented important bit 1a: DVI sense +S10 1 78 8 0 0 0 c 1f 4e 7f 30 f0 54 0 31 +S20 0 18 14 3d c 0 0 ff ff + c 3d: vgpio4 pin status +S30 0 6 11 1d 4 20 ff + 40 30 97 10 4 69 84 3 9f 8c 41-42: arbiter 44-: vck 47-: eck 4a-: lcdck +S40 38 b0 10 ff 9d c 5 79 88 4 9d c 5 30 0 5f + 51 f0 5b: RO 5d: timer +S50 1f 0 0 ff 0 0 ff 0 6 df 0 21 21 0 0 0 + 40 d 80 80 1 64: I2C 66: GTI 68: fbsize 6d-6e: fbbase +S60 0 0 0 0 20 0 20 20 e0 20 0 0 0 e0 0 0 +S70 20 0 f 0 1f 1f 0 0 86 8 10 0 c8 0 0 0 +SA8 0 0 80 80 0 0 0 0 +G20 0 0 0 + +OFW mode 3 patched +ok .dpy +ATR 0 1 2 3 4 5 14 7 38 39 3a 3b 3c 3d 3e 3f c 0 f 8 0 +SEQ 3 0 3 0 2 +GRF 0 0 0 0 0 10 e 0 ff + 0 1 2 3 4 5 6 7 8 9 a b c d e f +C00 5f 4f 50 82 55 81 bf 1f 0 4f d e 0 0 ff ff +C10 9c 6e 8f 28 1f 96 b9 a3 ff +C30 8 0 11 0 0 0 1 34 0 0 0 1 8 74 0 0 +C40 0 0 0 90 0 0 0 2 0 +C50 d7 af af d7 24 c4 b6 be 8f 83 83 8f 9b 1b 84 6e +C60 13 50 0 0 0 a2 65 0 f0 0 48 e 0 57 5b 8e +C70 83 33 83 8f 33 85 3f 22 c7 6b 1 2 3 4 7 a +C80 d 13 16 19 1c 1d 1e 1f e1 0 1 5d 2b 0 b5 1 + N 2 +C90 10 1f 0 0 8 11 0 10 0 0 0 1b 0 0 0 0 +CA0 0 0 c8 0 8 c3 f9 8b 1 0 0 0 0 0 0 0 +CD0 0 0 2b 0 c0 0 0 0 0 0 0 0 0 0 0 0 +CE0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 +CF0 0 0 0 92 0 0 0 c0 0 a 0 0 0 + N9f +S10 1 78 8 0 0 0 4c 1f 4e 7f 0 f0 54 0 31 +S20 0 18 14 3d c 0 0 ff ff +S30 0 6 11 1d 4 20 ff +S40 38 40 30 ff 97 10 4 69 84 3 9f 8c 5 30 0 5f +S50 1f 0 0 ff 0 0 ff 0 6 df 0 51 21 f0 0 0 + N 0 +S60 0 0 0 40 20 d 20 20 80 20 0 0 0 e0 0 0 +S70 20 0 f 0 1f 1f 0 0 86 8 10 0 c8 0 0 0 +SA8 0 0 80 80 0 0 0 0 +G20 0 0 0 + + === after last set of changes --- +ok .dpy +ATR 0 1 2 3 4 5 14 7 38 39 3a 3b 3c 3d 3e 3f c 0 f 8 0 +SEQ 3 0 3 0 2 +GRF 0 0 0 0 0 10 e 0 ff + 0 1 2 3 4 5 6 7 8 9 a b c d e f + +C00 5f 4f 50 82 52 9e bf 5f 0 4f d e 0 0 4 60 +C00 5f 4f 50 82 55 81 bf 1f 0 4f d e 0 0 ff ff + 6e +C10 9c 8e 8f 28 1f 96 b9 a3 ff + 0 0 +C30 8 0 11 1 0 10 1 34 ed ae 7f 1 8 74 0 0 + 90 2 +C40 0 0 0 80 0 0 0 0 0 + b6 be 84 6e +C50 d7 af af d7 24 c4 b7 bf 8f 83 83 8f 9b 1b 88 6d + 0 a2 65 0 e 57 5b +C60 3e 50 2 0 0 28 50 50 f0 0 48 8 0 4d 51 8e + 85 3f 22 c7 6b +C70 83 33 83 8f bb 89 3e 21 c6 67 1 2 3 4 7 a +C80 d 13 16 19 1c 1d 1e 1f 60 0 1 ca ca ca ca 11 + 0 +C90 11 0 0 0 8 11 0 10 0 0 0 1b 0 0 0 2 + 8 c3 f9 +CA0 0 0 c8 0 3 0 0 8b 1 0 0 0 0 0 0 0 + 2b c0 +CD0 0 0 c8 0 0 0 0 0 0 0 0 0 0 0 0 0 +CE0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 + 92 +CF0 0 0 0 80 0 0 0 c0 0 a 0 d 0 +S10 1 78 8 0 0 0 4c 1f 4e 7f 0 f0 54 0 31 +S20 0 18 14 3d c 0 0 ff ff + c +S30 0 6 11 1d 4 20 ff +S40 38 40 30 ff 97 10 4 69 84 3 9f 8c 5 30 0 5f + f0 +S50 1f 0 0 ff 0 0 ff 0 6 df 0 51 21 0 0 0 + 40 d (80 80 1)size +S60 0 0 0 0 20 0 20 20 e0 20 0 0 0 e0 0 0 + 86 +S70 20 0 f 0 1f 1f 0 0 e0 8 10 0 c8 0 0 0 +SA8 0 0 80 80 0 0 0 0 +G20 0 0 0 + + \ Working settings: +ok vtotal1@ .d vdisplay1@ .d vblank1@ .d vblankend1@ .d vsync1@ .d vsyncend1@ . +449 400 407 186 412 415 [449 400 {400+7} {442=449-7} 412 430] +ok vtotal2@ .d vdisplay2@ .d vblank2@ .d vblankend2@ .d vsync2@ .d vsyncend2@ . +912 900 900 912 901 911 [sss sss sss sss 905! 910!] +ok vtotals@ .d vdisplays@ .d vblanks@ .d vblankends@ .d vsyncs@ .d vsyncends@ . +912 900 900 912 901 911 [sss sss sss sss 905! 910!] +ok htotal1@ .d hdisplay1@ .d hblank1@ .d hblankend1@ .d hsync1@ .d hsyncend1@ . +800 640 648 4120 688 705 [800 640 {640+8} {792 - possibly compute as htotal-8} 680 776] +ok htotal2@ .d hdisplay2@ .d hblank2@ .d hblankend2@ .d hsync2@ .d hsyncend2@ . +1240 1200 1200 1240 1207 1215 [sss sss sss sss 1208! 1216!] +ok htotals@ .d hblankends@ .d +736 736 [ {htotal2 * vclk/lcdck} {htotal2 * vclk/lcdck} ] +ok hfetch1@ .d hoffset1@ .d hfetch2@ .d hoffset2@ .d +16 320 2592 808 +ok bpp1@ .d +8 +vck pll: 97 10 4 33.8 MHz +eck pll: 69 84 3 +lcd pll: 9f 8c 5 56.9 MHz +misc cf + + partial recipe:q + + fill timing regs per above + text-mode3 + cf misc! + +need simultaneous mode and disable-channel2 + +[then] +0 [if] + + === Another working setup === +ok .timings +IGA1: 640 648 680 776 1304 800 400 407 413 415 442 449 +IGA2: 1200 1200 1207 1215 1240 1240 900 900 901 911 912 912 +Shad: 736 736 900 900 901 911 912 912 +fetch1: 1280 offset1: 320 fetch2: 2592 offset2: 808 bpp: 8 +VCK: 97 10 4 +ECK: 0 0 0 +LCK: 9f 8c 5 +MISC cf + +ok .dpy +ATR 0 1 2 3 4 5 6 7 8 9 a b c d e f c 0 f 8 0 +SEQ 3 0 3 0 2 +GRF 0 0 0 0 0 10 e 0 ff + 0 1 2 3 4 5 6 7 8 9 a b c d e f +C00 5f 4f 50 82 55 81 bf 1f 0 4f d e 0 0 1 40 +C10 9c 6e 8f 28 1f 96 b9 a3 ff +C30 8 0 11 0 0 0 1 34 ef ee 7f 2 8 64 20 b +C40 0 0 0 90 0 0 0 2 0 +C50 d7 af af d7 24 c4 b6 be 8f 83 83 8f 9b 1b 84 6e +C60 5c 72 0 0 0 a2 65 0 f0 0 48 e 0 57 5b 8e +C70 83 33 83 8f bb 89 3e 21 c6 67 1 2 3 4 7 a +C80 d 13 16 19 1c 1d 1e 1f 60 0 1 ca ca ca ca 11 +C90 11 0 0 0 8 11 0 10 0 0 0 1b 0 0 0 2 +CA0 0 0 c8 0 3 0 0 8b 1 0 0 0 0 0 0 0 +CD0 0 0 c8 0 0 0 0 0 0 0 0 0 0 0 0 0 +CE0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 +CF0 0 0 0 80 0 0 0 c0 0 a 0 d 0 +S10 1 78 8 0 0 0 c 1f 60 7f 0 f0 54 0 31 +S20 0 18 10 3d c 0 0 ff ff +S30 0 6 11 1d 4 20 ff +S40 38 40 30 ff 97 10 4 69 84 3 9f 8c 5 30 0 5f +S50 1f 0 0 ff 0 0 ff 0 8 df 0 21 21 0 0 0 +S60 0 0 0 0 20 0 20 20 e0 20 0 0 0 e0 0 0 +S70 20 0 f 0 1f 1f 0 0 86 8 10 0 c8 0 0 0 <<< the 86 here sometimes works better as e6, lest LCD lose sync +SA8 0 0 80 80 0 0 0 0 +G20 0 0 0 + + ECK is irrelevant - zapping it doesn't change the display + + I got the above result by running xtext-mode3 then blasting with + +" "(5f 4f 50 82 55 81 bf 1f 00 4f 0d 0e 00 00 01 40)" 0 do dup i + c@ 00 i + crt! loop +" "(9c 6e 8f 28 1f 96 b9 a3 ff)" 0 do dup i + c@ 10 i + crt! loop +" "(08 00 11 00 00 00 01 34 d3 19 e7 02 08 64 20 0b)" 0 do dup i + c@ 30 i + crt! loop +" "(00 00 00 90 00 00 00 02 00)" 0 do dup i + c@ 40 i + crt! loop +" "(d7 af af d7 24 c4 b6 be 8f 83 83 8f 9b 1b 84 6e)" 0 do dup i + c@ 50 i + crt! loop +" "(ce 72 00 00 00 a2 65 00 f0 00 48 0e 00 57 5b 8e)" 0 do dup i + c@ 60 i + crt! loop +" "(83 33 83 8f 33 85 3f 22 c7 6b)" 0 do dup i + c@ 70 i + crt! loop +00 9f crt! + + then 00 15 seq! + +Problems: + CR13 40>28 hoffset1 + CR65 28>a2 hfetch2.low + CR66 50>65 hoffset2 <<<<< IMPORTANT + CR67 50>00 bpp, IGA2 Extend 10 Bit Mode LSB Selection + + SR1c 2c>54 hfetch1 + SR15 22>00 When 22, access to the EGA frame buffer is denied either 20 or 02 or 00 works + +9f8c85 => 56.915 +971004 => 37.782 ratio .6638 + +9d8c85 => 56.199 +a79084 => 37.362 ratio .6648 +[then]
Modified: dev/via/unichrome/vgamodes.fth =================================================================== --- dev/via/unichrome/vgamodes.fth 2009-10-22 23:10:09 UTC (rev 1425) +++ dev/via/unichrome/vgamodes.fth 2009-10-22 23:13:12 UTC (rev 1426) @@ -21,9 +21,14 @@ h# 0c h# 16 seq! \ FIFO h# 1f h# 17 seq! \ FIFO h# 4e h# 18 seq! \ FIFO - h# 20 h# 1a seq! \ Extended mode memory access disable +\ h# 21 h# 1a seq! \ Extended mode memory access disable, palette registers access secondary display +\ h# 01 h# 1a seq! \ Extended mode memory access disable, palette registers access secondary display + h# 00 h# 1a seq! \ Palette registers access primary display h# 54 h# 1c seq! \ Hdisp fetch count low h# 00 h# 1d seq! \ Hdisp fetch count high + h# 14 h# 22 seq! \ FIFO + h# 40 h# 41 seq! \ arbiter + h# 30 h# 42 seq! \ arbiter h# 00 h# 51 seq! \ FIFO h# 06 h# 58 seq! \ FIFO h# 00 h# 71 seq! \ FIFO @@ -61,8 +66,24 @@ ; ' (pc-font) to pc-font
+: duplicate-settings ( -- ) + \ For mode 3 + d# 1280 hfetch1! + d# 320 hoffset1! + d# 2592 hfetch2! \ Apparently every pixel is 4 bytes (80 * 8 * 40 = 2560), plus 32 bytes extra + \ The 4 bytes could be for the interleaved VGA planes. Or maybe not. + d# 808 hoffset2! + +\ h# 06 h# 06 h# 78 seq-mask \ Clock source selection 14.318 MHz/1024 +\ h# 40 h# 16 seq-set \ This bit is undocumented but other drivers set it +; + warning @ warning off -: text-mode3 ( -- ) - text-mode3 +: text-mode3 + olpc-crt-on \ Restore power to IGA1, as we need it for VGA modes + text-mode3 \ The base VGA version; sets up the font and stuff + d# 640 d# 400 8 set-resolution + set-primary-mode + expanded ; warning !
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