[commit] r2880 - cpu/arm/olpc dev/olpc dev/olpc/cafecamera dev/olpc/mmp2camera dev/olpc/viacamera
Author: wmb Date: Sat Feb 25 17:55:45 2012 New Revision: 2880 URL: http://tracker.coreboot.org/trac/openfirmware/changeset/2880
Log: OLPC - all versions - support new SETi image sensor.
Added: dev/olpc/imagesensor.fth dev/olpc/seti.fth Modified: cpu/arm/olpc/smbus.fth dev/olpc/cafecamera/cafecamera.bth dev/olpc/cafecamera/cafecamera.fth dev/olpc/cafecamera/platform.fth dev/olpc/cameratest.fth dev/olpc/mmp2camera/ccic.fth dev/olpc/mmp2camera/loadpkg.fth dev/olpc/mmp2camera/platform.fth dev/olpc/mmp2camera/smbus.fth dev/olpc/ov7670.fth dev/olpc/viacamera/camera.fth dev/olpc/viacamera/loadpkg.fth dev/olpc/viacamera/platform.fth dev/olpc/viacamera/smbus.fth
Modified: cpu/arm/olpc/smbus.fth ============================================================================== --- cpu/arm/olpc/smbus.fth Fri Feb 24 07:40:33 2012 (r2879) +++ cpu/arm/olpc/smbus.fth Sat Feb 25 17:55:45 2012 (r2880) @@ -15,40 +15,51 @@ : smb-data-dir-out ( -- ) smb-data-gpio# gpio-dir-out ; : smb-data-dir-in ( -- ) smb-data-gpio# gpio-dir-in ;
+: smb-start ( -- ) smb-clk-hi smb-data-hi smb-data-lo smb-clk-lo ; +: smb-stop ( -- ) smb-clk-lo smb-data-lo smb-clk-hi smb-data-hi ; + h# 3500 constant smb-clk-timeout-us \ Slave can flow control by holding CLK low temporarily : smb-wait-clk-hi ( -- ) smb-clk-timeout-us 0 do smb-clk@ if smb-dly unloop exit then 1 us loop + smb-stop true abort" I2C clock stuck low" ; : smb-data-hi-w ( -- ) smb-data-hi smb-wait-clk-hi ;
+[ifdef] notdef h# 3500 constant smb-data-timeout-us : smb-wait-data-hi ( -- ) smb-data-timeout-us 0 do smb-data@ if unloop exit then 1 us loop + smb-stop true abort" I2C data stuck low" ; +[then]
: smb-restart ( -- ) smb-clk-hi smb-data-lo smb-clk-lo ;
-: smb-start ( -- ) smb-clk-hi smb-data-hi smb-data-lo smb-clk-lo ; -: smb-stop ( -- ) smb-clk-lo smb-data-lo smb-clk-hi smb-data-hi ; - : smb-get-ack ( -- ) smb-data-dir-in smb-data-hi smb-clk-hi smb-wait-clk-hi - smb-data@ \ drop \ SCCB generates an don't care bit - if smb-stop true abort" I2c NAK" then - smb-clk-lo -\ smb-wait-data-hi - smb-data-dir-out + smb-data@ ( nak? ) + + smb-clk-lo ( nak? ) + +\ Empirically, the Omnivision image sensor sometimes fails to +\ release the ACK until the next clock, so smb-wait-data-hi +\ causes spurious failures. +\ smb-wait-data-hi + + smb-data-dir-out ( nak? ) + + if smb-stop true abort" I2c NAK" then ; : smb-bit ( flag -- ) if smb-data-hi else smb-data-lo then
Modified: dev/olpc/cafecamera/cafecamera.bth ============================================================================== --- dev/olpc/cafecamera/cafecamera.bth Fri Feb 24 07:40:33 2012 (r2879) +++ dev/olpc/cafecamera/cafecamera.bth Sat Feb 25 17:55:45 2012 (r2880) @@ -10,7 +10,9 @@ FCode-version2
fload ${BP}/dev/olpc/cafecamera/platform.fth -fload ${BP}/dev/olpc/ov7670.fth +fload ${BP}/dev/olpc/imagesensor.fth +fload ${BP}/dev/olpc/seti.fth +fload ${BP}/dev/olpc/ov7670.fth \ Load last; most likely to be present fload ${BP}/dev/olpc/cafecamera/cafecamera.fth fload ${BP}/dev/olpc/cameratest.fth
Modified: dev/olpc/cafecamera/cafecamera.fth ============================================================================== --- dev/olpc/cafecamera/cafecamera.fth Fri Feb 24 07:40:33 2012 (r2879) +++ dev/olpc/cafecamera/cafecamera.fth Sat Feb 25 17:55:45 2012 (r2880) @@ -65,7 +65,7 @@ : ctlr-stop ( -- ) 3c dup cl@ 1 invert and swap cl! ; \ Stop the whole thing
: read-setup ( -- ) - camera-config + true camera-config \ Always use RGB ctlr-config 3f 30 cl! \ Clear pending interrupts ctlr-start @@ -107,11 +107,6 @@ 5 ms 40 dup cl@ 1000.0000 or swap cl! \ power off ; -: init ( -- ) - (init) - power-up - camera-init -;
\ ============================= read operation ============================== @@ -207,8 +202,9 @@
: open ( -- flag ) map-regs - init - ov7670-detected? 0= if unmap-regs false exit then + (init) + power-up + sensor-found? 0= if unmap-regs false exit then alloc-dma-bufs read-setup true
Modified: dev/olpc/cafecamera/platform.fth ============================================================================== --- dev/olpc/cafecamera/platform.fth Fri Feb 24 07:40:33 2012 (r2879) +++ dev/olpc/cafecamera/platform.fth Sat Feb 25 17:55:45 2012 (r2880) @@ -37,7 +37,8 @@ \ 4 my-w@ 6 invert and 4 my-w! \ No need to turn it off ;
-h# 42 2 << constant ov-sid +h# 42 value camera-smb-slave +: camera-smb-on ( -- ) ;
: clr-smb-intr ( -- ) 7.0000 30 cl! ; : smbus-wait ( -- ) @@ -45,9 +46,11 @@ 1 ms \ 20 usec delay ;
+: set-slave ( -- ) camera-smb-slave 2 lshift 87.fc01 or b8 cl! ; \ TWSI control 0: id, 8-bit, clk + : ov@ ( reg -- data ) clr-smb-intr - ov-sid 87.fc01 or b8 cl! \ TWSI control 0: id, 8-bit, clk + set-slave bc cl@ drop \ Force write d# 16 << 100.0000 or bc cl! \ TWSI control 1: read, reg smbus-wait @@ -56,7 +59,7 @@
: ov! ( data reg -- ) clr-smb-intr - ov-sid 8.7fc01 or b8 cl! \ TWSI control 0: id, 8-bit, clk + set-slave bc cl@ drop \ Force write d# 16 << or bc cl! \ TWSI control 1: read, reg 2 ms
Modified: dev/olpc/cameratest.fth ============================================================================== --- dev/olpc/cameratest.fth Fri Feb 24 07:40:33 2012 (r2879) +++ dev/olpc/cameratest.fth Sat Feb 25 17:55:45 2012 (r2880) @@ -8,9 +8,13 @@ \ Thanks to Cortland Setlow (AKA Blaketh) for the autobrightness code \ and the full-screen + mirrored display.
+[ifdef] notdef +\ This seemed like a good idea but in practice it was found to be confusing : autobright ( -- ) read-agc 3 + 3 rshift h# f min " bright!" " $call-screen" evaluate ; +[then] + : full-brightness ( -- ) h# f " bright!" " $call-screen" evaluate ;
: timeout-read ( adr len timeout -- actual ) @@ -40,14 +44,15 @@ open 0= if true exit then d# 300 ms start-display - unmirrored resync ( ) + false set-mirrored resync ( ) shoot-still ?dup if stop-display close exit then ( error? ) d# 1,000 ms - mirrored resync shoot-movie full-brightness ( error? ) + true set-mirrored resync shoot-movie full-brightness ( error? ) stop-display close ( error? ) ?dup 0= if confirm-selftest? then ( error? ) ;
+[ifdef] notdef : xselftest ( -- error? ) open 0= if true exit then h# 10 0 do @@ -56,6 +61,7 @@ loop 0 close ( error? ) ; +[then]
\ LICENSE_BEGIN \ Copyright (c) 2009 FirmWorks
Added: dev/olpc/imagesensor.fth ============================================================================== --- /dev/null 00:00:00 1970 (empty, because file is newly added) +++ dev/olpc/imagesensor.fth Sat Feb 25 17:55:45 2012 (r2880) @@ -0,0 +1,14 @@ +purpose: Interface layer to image sensor chips + +\ Each sensor chip driver must define sensor-found? , chaining to the +\ previous definition if that sensor chip is not detected. If the +\ chip is detected, the driver must set camera-config and set-mirrored +\ to implementations suitable for that chip. + +defer camera-config ( ycrcb? -- ) +defer set-mirrored ( mirrored? -- ) + +\ Redefine to add a new sensor +: sensor-found? ( -- flag ) + false +;
Modified: dev/olpc/mmp2camera/ccic.fth ============================================================================== --- dev/olpc/mmp2camera/ccic.fth Fri Feb 24 07:40:33 2012 (r2879) +++ dev/olpc/mmp2camera/ccic.fth Sat Feb 25 17:55:45 2012 (r2880) @@ -46,6 +46,8 @@ h# 0.8000 constant ycrcb4:2:2-format \ YCrCb input and output, 422 packed format (8000), no swapping h# a0 constant rgb-format \ RGB input (20) and output (80), no swapping
+0 value use-ycrcb? + : setup-image ( -- ) VGA_WIDTH 2* h# 24 cl! \ 640*2 stride, UV stride in high bits = 0
@@ -69,7 +71,7 @@ : ctlr-stop ( -- ) h# 3c dup cl@ 1 invert and swap cl! ; \ Disable
: read-setup ( -- ) - camera-config + use-ycrcb? camera-config ctlr-config \ Clear all interrupts interrupts-on \ Enable frame done interrupts @@ -99,12 +101,6 @@ sensor-power-off ;
-: init ( -- ) - power-on - camera-smb-setup smb-on - camera-init -; -
\ ============================= read operation ==============================
@@ -145,9 +141,9 @@
: open ( -- flag ) my-address my-space h# 1000 " map-in" $call-parent to camera-base - init + power-on + sensor-found? 0= if false exit then my-args " yuv" $= to use-ycrcb? - ov7670-detected? 0= if false exit then alloc-dma-bufs read-setup true
Modified: dev/olpc/mmp2camera/loadpkg.fth ============================================================================== --- dev/olpc/mmp2camera/loadpkg.fth Fri Feb 24 07:40:33 2012 (r2879) +++ dev/olpc/mmp2camera/loadpkg.fth Sat Feb 25 17:55:45 2012 (r2880) @@ -23,7 +23,11 @@ [then]
fload ${BP}/dev/olpc/mmp2camera/platform.fth + fload ${BP}/dev/olpc/imagesensor.fth + warning @ warning off fload ${BP}/dev/olpc/ov7670.fth + fload ${BP}/dev/olpc/seti.fth \ Load last; most likely to be present + warning ! fload ${BP}/dev/olpc/mmp2camera/ccic.fth fload ${BP}/dev/olpc/cameratest.fth end-package
Modified: dev/olpc/mmp2camera/platform.fth ============================================================================== --- dev/olpc/mmp2camera/platform.fth Fri Feb 24 07:40:33 2012 (r2879) +++ dev/olpc/mmp2camera/platform.fth Sat Feb 25 17:55:45 2012 (r2880) @@ -4,14 +4,16 @@ headers hex
+0 value camera-smb-slave : camera-smb-setup ( -- ) 1 to smb-dly-us + olpc-cl2 d# 108 to smb-clock-gpio# + olpc-cl2 d# 109 to smb-data-gpio# + olpc-cl3 d# 4 to smb-clock-gpio# + olpc-cl3 d# 5 to smb-data-gpio# - h# 42 to smb-slave + camera-smb-slave to smb-slave ; +: camera-smb-on ( -- ) camera-smb-setup smb-on ; : ov@ ( reg -- data ) camera-smb-setup smb-byte@ ; : ov! ( data reg -- ) camera-smb-setup smb-byte! ;
Modified: dev/olpc/mmp2camera/smbus.fth ============================================================================== --- dev/olpc/mmp2camera/smbus.fth Fri Feb 24 07:40:33 2012 (r2879) +++ dev/olpc/mmp2camera/smbus.fth Sat Feb 25 17:55:45 2012 (r2880) @@ -1,54 +1,56 @@ 4 value smb-dly-us -: smb-dly smb-dly-us us ;
+0 value smb-clock-gpio# 0 value smb-data-gpio# -0 value smb-clk-gpio#
+: smb-dly smb-dly-us us ; : smb-data-hi ( -- ) smb-data-gpio# gpio-set smb-dly ; : smb-data-lo ( -- ) smb-data-gpio# gpio-clr smb-dly ; -: smb-clk-hi ( -- ) smb-clk-gpio# gpio-set smb-dly ; -: smb-clk-lo ( -- ) smb-clk-gpio# gpio-clr smb-dly ; +: smb-clk-hi ( -- ) smb-clock-gpio# gpio-set smb-dly ; +: smb-clk-lo ( -- ) smb-clock-gpio# gpio-clr smb-dly ; : smb-data@ ( -- flag ) smb-data-gpio# gpio-pin@ ; -: smb-clk@ ( -- ) smb-clk-gpio# gpio-pin@ ; +: smb-clk@ ( -- flag ) smb-clock-gpio# gpio-pin@ ; : smb-off ( -- ) smb-data-gpio# gpio-dir-in ; -: smb-on ( -- ) smb-data-gpio# gpio-dir-out smb-clk-gpio# gpio-dir-out ; +: smb-on ( -- ) smb-data-gpio# gpio-dir-out smb-clock-gpio# gpio-dir-out ; : smb-data-dir-out ( -- ) smb-data-gpio# gpio-dir-out ; : smb-data-dir-in ( -- ) smb-data-gpio# gpio-dir-in ;
+: smb-start ( -- ) smb-clk-hi smb-data-hi smb-data-lo smb-clk-lo ; +: smb-stop ( -- ) smb-clk-lo smb-data-lo smb-clk-hi smb-data-hi ; + h# 3500 constant smb-clk-timeout-us \ Slave can flow control by holding CLK low temporarily : smb-wait-clk-hi ( -- ) smb-clk-timeout-us 0 do smb-clk@ if smb-dly unloop exit then 1 us loop + smb-stop true abort" I2C clock stuck low" ; : smb-data-hi-w ( -- ) smb-data-hi smb-wait-clk-hi ;
+[ifdef] notdef h# 3500 constant smb-data-timeout-us : smb-wait-data-hi ( -- ) smb-data-timeout-us 0 do smb-data@ if unloop exit then 1 us loop + smb-stop true abort" I2C data stuck low" ; +[then]
: smb-restart ( -- ) smb-clk-hi smb-data-lo smb-clk-lo ;
-: smb-start ( -- ) smb-clk-hi smb-data-hi smb-data-lo smb-clk-lo ; -: smb-stop ( -- ) smb-clk-lo smb-data-lo smb-clk-hi smb-data-hi ; - : smb-get-ack ( -- ) smb-data-dir-in smb-data-hi smb-clk-hi smb-wait-clk-hi - smb-data@ \ drop \ SCCB generates an don't care bit - if smb-stop smb-data-dir-out true abort" I2c NAK" then - smb-clk-lo -\ smb-wait-data-hi - smb-data-dir-out + smb-data@ cmb-clk-low ( nak? ) + smb-data-dir-out ( nak? ) + if smb-stop true abort" I2c NAK" then ; : smb-bit ( flag -- ) if smb-data-hi else smb-data-lo then
Modified: dev/olpc/ov7670.fth ============================================================================== --- dev/olpc/ov7670.fth Fri Feb 24 07:40:33 2012 (r2879) +++ dev/olpc/ov7670.fth Sat Feb 25 17:55:45 2012 (r2880) @@ -1,26 +1,41 @@ \ See license at end of file purpose: Omnivision OV7670 image sensor driver
-" OV7670" " sensor" string-property - \ ============================= camera operations =============================
-\ Check for the expected value -: ovc ( val adr -- ) - 2dup ov@ ( val reg# val actual ) - tuck <> if ( val reg# actual ) - ." Bad camera I2C value at " swap 2 u.r ( val actual ) - ." expected " swap 2 u.r ." got " 2 u.r cr ( ) - else ( val reg# actual ) - 3drop ( ) - then ( ) +: set-hw ( vstop vstart hstop hstart -- ) + dup 3 >> 17 ov! \ Horiz start high bits + over 3 >> 18 ov! \ Horiz stop high bits + 32 ov@ swap 7 and or swap 7 and 3 << or 10 ms 32 ov! \ Horiz bottom bits + + dup 2 >> 19 ov! \ Vert start high bits + over 2 >> 1a ov! \ Vert start high bits + 03 ov@ swap 3 and or swap 3 and 2 << or 10 ms 03 ov! \ Vert bottom bits ;
-0 value use-ycrcb? +\ VGA RGB565 +: ov7670-rgb565 ( -- ) + 04 12 ov! \ VGA, RGB565 + 00 8c ov! \ No RGB444 + 00 04 ov! \ Control 1: CCIR601 (H/VSYNC framing) + 10 40 ov! \ RGB565 output + 38 14 ov! \ 16x gain ceiling + b3 4f ov! \ v-red + b3 50 ov! \ v-green + 00 51 ov! \ v-blue + 3d 52 ov! \ u-red + a7 53 ov! \ u-green + e4 54 ov! \ u-blue + c0 3d ov! \ Gamma enable, UV saturation auto adjust
-false value ov7670-detected? + \ OVT says that rewrite this works around a bug in 565 mode. + \ The symptom of the bug is red and green speckles in the image. + 01 11 ov! \ 30 fps def 80 !! Linux doesn't do this +; + +: ov7670-config ( ycrcb? -- ) + >r ( r: ycrcb? )
-: ((camera-init) ( -- ) 80 12 ov! 2 ms \ reset (reads back different) 01 11 ov! \ 30 fps 04 3a ov! \ UYVY or VYUY @@ -121,9 +136,60 @@ 05 79 ov! 30 c8 ov! 26 79 ov!
- \ OVT says that rewrite this works around a bug in 565 mode. - \ The symptom of the bug is red and green speckles in the image. -\ 01 11 ov! \ 30 fps def 80 !! Linux doesn't do this + ( r: ycrcb? ) r> 0= if ov7670-rgb565 then ( ) \ Possibly switch to RGB mode + + d# 490 d# 10 d# 14 d# 158 set-hw \ VGA window info +; + +: ov7670-set-mirrored ( mirrored? -- ) + h# 1e ov@ h# 20 ( mirrored? reg-value bit ) + rot if or else invert and then ( reg-value' ) + h# 1e ov! +; + +: probe-ov7670 ( -- found? ) + h# 42 to camera-smb-slave ( ) \ Omnivision SMB ID + camera-smb-on + + \ Try to read a byte of the manufacturing ID. If the read fails, + \ the device is not present or not responding. + h# 1d ['] ov@ catch if ( x ) + drop ( ) + false exit ( -- false ) + then ( id-low ) + + \ Otherwise there is something at that SMB address; verify that + \ it has the correct ID. + + h# 1c ov@ h# 0b ov@ h# 0a ov@ bljoin h# 7673.7fa2 <> if \ ProdID.MfgID + false exit ( -- false ) + then ( ) + + " OV7670" " sensor" string-property + + ['] ov7670-set-mirrored to set-mirrored + ['] ov7670-config to camera-config + true +; + +\ Chain of sensor recognizers +: sensor-found? ( -- flag ) + probe-ov7670 if true exit then + sensor-found? +; + +\ The rest is for debugging and testing +[ifdef] notdef + +\ Check for the expected value +: ovc ( val adr -- ) + 2dup ov@ ( val reg# val actual ) + tuck <> if ( val reg# actual ) + ." Bad camera I2C value at " swap 2 u.r ( val actual ) + ." expected " swap 2 u.r ." got " 2 u.r cr ( ) + else ( val reg# actual ) + 3drop ( ) + then ( ) ;
: config-check ( -- ) @@ -211,35 +277,6 @@ 88 a4 ovc 00 96 ovc 30 97 ovc 20 98 ovc 30 99 ovc 84 9a ovc 29 9b ovc 03 9c ovc 5c 9d ovc 3f 9e ovc 04 78 ovc - -; - -: camera-init ( -- ) - false to ov7670-detected? - ((camera-init) - 1d ov@ 1c ov@ bwjoin 7fa2 <> if exit then \ Manufacturing ID - b ov@ a ov@ bwjoin 7673 <> if exit then \ Product ID - true to ov7670-detected? -; - -\ VGA RGB565 -: init-rgb565 ( -- ) - 04 12 ov! \ VGA, RGB565 - 00 8c ov! \ No RGB444 - 00 04 ov! \ Control 1: CCIR601 (H/VSYNC framing) - 10 40 ov! \ RGB565 output - 38 14 ov! \ 16x gain ceiling - b3 4f ov! \ v-red - b3 50 ov! \ v-green - 00 51 ov! \ v-blue - 3d 52 ov! \ u-red - a7 53 ov! \ u-green - e4 54 ov! \ u-blue - c0 3d ov! \ Gamma enable, UV saturation auto adjust - - \ OVT says that rewrite this works around a bug in 565 mode. - \ The symptom of the bug is red and green speckles in the image. - 01 11 ov! \ 30 fps def 80 !! Linux doesn't do this ;
: read-agc ( -- n ) @@ -252,22 +289,6 @@ 4 ov@ 3 and or ;
-: set-hw ( vstop vstart hstop hstart -- ) - dup 3 >> 17 ov! \ Horiz start high bits - over 3 >> 18 ov! \ Horiz stop high bits - 32 ov@ swap 7 and or swap 7 and 3 << or 10 ms 32 ov! \ Horiz bottom bits - - dup 2 >> 19 ov! \ Vert start high bits - over 2 >> 1a ov! \ Vert start high bits - 03 ov@ swap 3 and or swap 3 and 2 << or 10 ms 03 ov! \ Vert bottom bits -; - -: camera-config ( -- ) - ((camera-init) - use-ycrcb? 0= if init-rgb565 then - d# 490 d# 10 d# 14 d# 158 set-hw \ VGA window info -; - : dump-regs ( run# -- ) 0 d# 16 " at-xy" eval ." Pass " .d @@ -283,9 +304,8 @@ cr h# 10 +loop ; +[then]
-: mirrored ( -- ) h# 1e ov@ h# 20 or h# 1e ov! ; -: unmirrored ( -- ) h# 1e ov@ h# 20 invert and h# 1e ov! ;
\ LICENSE_BEGIN \ Copyright (c) 2011 FirmWorks
Added: dev/olpc/seti.fth ============================================================================== --- /dev/null 00:00:00 1970 (empty, because file is newly added) +++ dev/olpc/seti.fth Sat Feb 25 17:55:45 2012 (r2880) @@ -0,0 +1,319 @@ +purpose: Driver for SETi image sensor + +hex +: seti-config ( ycrcb? -- ) + >r ( r: ycrcb? ) + + \ SNR + 00 00 ov! + 00 04 ov! + 03 05 ov! +\ 33 07 ov! + 32 07 ov! + 34 10 ov! + 27 11 ov! + 21 12 ov! + c6 16 ov! + aa 17 ov! + + 00 20 ov! \ P_BNKT + 01 21 ov! \ P_HBNKT + 01 22 ov! \ P_ROWFIL + 01 23 ov! \ P_VBNKT + + \ AE + 01 00 ov! + 14 11 ov! \ 6fps at lowlux + 78 12 ov! \ D65 target 0x74 + 78 13 ov! \ CWF target 0x74 + 78 14 ov! \ A target 0x74 + 08 1E ov! \ ini gain 0x08 + 7d 34 ov! + 60 40 ov! \ Max x8 + + d4 70 ov! \ anti-sat on + 07 74 ov! \ anti-sat ini + 69 79 ov! \ anti-sat + + \ AWB + 02 00 ov! + d0 10 ov! + c0 11 ov! + 80 12 ov! + 7f 13 ov! + 7f 14 ov! + fe 15 ov! \ R gain Top + 80 16 ov! \ R gain bottom + cb 17 ov! \ B gain Top + 70 18 ov! \ B gain bottom 0x80 + 94 19 ov! \ Cr top value 0x90 + 6c 1a ov! \ Cr bottom value 0x70 + 94 1b ov! \ Cb top value 0x90 + 6c 1c ov! \ Cb bottom value 0x70 + 94 1d ov! \ 0xa0 + 6c 1e ov! \ 0x60 + e8 20 ov! \ AWB luminous top value + 30 21 ov! \ AWB luminous bottom value 0x20 + a4 22 ov! + 20 23 ov! + 20 24 ov! + 0f 26 ov! + 01 27 ov! \ BRTSRT + b4 28 ov! \ BRTRGNTOP result 0xad + b0 29 ov! \ BRTRGNBOT + 92 2a ov! \ BRTBGNTOP result 0x90 + 8e 2b ov! \ BRTBGNBOT + 88 2c ov! \ RGAINCONT + 88 2d ov! \ BGAINCONT + + 00 30 ov! + 10 31 ov! + 00 32 ov! + 10 33 ov! + 02 34 ov! + 76 35 ov! + 01 36 ov! + d6 37 ov! + 01 40 ov! + 04 41 ov! + 08 42 ov! + 10 43 ov! + 12 44 ov! + 35 45 ov! + 64 46 ov! + 33 50 ov! + 20 51 ov! + e5 52 ov! + fb 53 ov! + 13 54 ov! + 26 55 ov! + 07 56 ov! + f5 57 ov! + ea 58 ov! + 21 59 ov! + + 88 62 ov! \ G gain + + b3 63 ov! \ R D30 to D20 + c3 64 ov! \ B D30 to D20 + b3 65 ov! \ R D20 to D30 + c3 66 ov! \ B D20 to D30 + + dd 67 ov! \ R D65 to D30 + a0 68 ov! \ B D65 to D30 + dd 69 ov! \ R D30 to D65 + a0 6a ov! \ B D30 to D65 + + \ IDP + 03 00 ov! + ff 10 ov! + 0d 11 ov! + cb 12 ov! + 04 14 ov! \ don't change + + \ DPCNR +\ 28 17 ov! \DPCNRCTRL + 00 18 ov! \ DPTHR + 56 19 ov! \ C DP Number ( Normal [7:6] Dark [5:4] ) | [3:0] DPTHRMIN + 56 1A ov! \ G DP Number ( Normal [7:6] Dark [5:4] ) | [3:0] DPTHRMAX + 12 1B ov! \ DPTHRSLP( [7:4] @ Normal | [3:0] @ Dark ) + 04 1C ov! \ NRTHR + 00 1D ov! \ [5:0] NRTHRMIN 0x48 + 00 1E ov! \ [5:0] NRTHRMAX 0x48 + 08 1F ov! \ NRTHRSLP( [7:4] @ Normal | [3:0] @ Dark ) 0x2f + 04 20 ov! \ IllumiInfo STRTNOR + 0f 21 ov! \ IllumiInfo STRTDRK + + \ Gamma + 00 30 ov! \ 0x0 + 04 31 ov! \ 0x3 + 0b 32 ov! \ 0xb + 24 33 ov! \ 0x1f + 49 34 ov! \ 0x43 + 66 35 ov! \ 0x5f + 7c 36 ov! \ 0x74 + 8d 37 ov! \ 0x85 + 9b 38 ov! \ 0x94 + aa 39 ov! \ 0xA2 + b6 3a ov! \ 0xAF + ca 3b ov! \ 0xC6 + dc 3c ov! \ 0xDB + ef 3d ov! \ 0xEF + f8 3e ov! \ 0xF8 + ff 3f ov! \ 0xFF + + \ Shading Register Setting + 11 40 ov! + 11 41 ov! + 22 42 ov! + 33 43 ov! + 44 44 ov! + 55 45 ov! + 12 46 ov! \ left R gain[7:4], right R gain[3:0] + 20 47 ov! \ top R gain[7:4], bottom R gain[3:0] + 01 48 ov! \ left Gr gain[7:4], right Gr gain[3:0] 0x21 + 20 49 ov! \ top Gr gain[7:4], bottom Gr gain[3:0] + 01 4a ov! \ left Gb gain[7:4], right Gb gain[3:0] 0x02 + 20 4b ov! \ top Gb gain[7:4], bottom Gb gain[3:0] + 01 4c ov! \ left B gain[7:4], right B gain[3:0] + 00 4d ov! \ top B gain[7:4], bottom B gain[3:0] + 04 4e ov! \ X-axis center high[3:2], Y-axis center high[1:0] + 50 4f ov! \ X-axis center low[7:0] 0x50 + d0 50 ov! \ Y-axis center low[7:0] 0xf6 + 80 51 ov! \ Shading Center Gain + 00 52 ov! \ Shading R Offset + 00 53 ov! \ Shading Gr Offset + 00 54 ov! \ Shading Gb Offset + 00 55 ov! \ Shading B Offset + + \ Interpolation + 57 60 ov! \ INT outdoor condition + ff 61 ov! \ INT normal condition + + 77 62 ov! \ ASLPCTRL 7:4 GE, 3:0 YE + 38 63 ov! \ YDTECTRL (YE) [7] fixed, + 38 64 ov! \ GPEVCTRL (GE) [7] fixed, + + 0c 66 ov! \ SATHRMIN + ff 67 ov! + 04 68 ov! \ SATHRSRT + 08 69 ov! \ SATHRSLP + + af 6a ov! \ PTDFATHR [7] fixed, [5:0] value + 78 6b ov! \ PTDLOTHR [6] fixed, [5:0] value + + 84 6d ov! \ YFLTCTRL + + \ Color matrix (D65) - Daylight + 42 71 ov! \ 0x40 + bf 72 ov! \ 0xb9 + 00 73 ov! \ 0x07 + 0f 74 ov! \ 0x15 + 31 75 ov! \ 0x21 + 00 76 ov! \ 0x0a + 00 77 ov! \ 0xf8 + bc 78 ov! \ 0xc5 + 44 79 ov! \ 0x46 + + \ Color matrix (D30) - CWF + 56 7a ov! \ 0x3a + bf 7b ov! \ 0xcd + eb 7c ov! \ 0xfa + 1a 7d ov! \ 0x12 + 22 7e ov! \ 0x2c + 04 7f ov! \ 0x02 + dc 80 ov! \ 0xf7 + c9 81 ov! \ 0xc7 + 5b 82 ov! \ 0x42 + + \ Color matrix (D20) - A + 4d 83 ov! \ 0x38 + c0 84 ov! \ 0xc4 + f3 85 ov! \ 0x04 + 18 86 ov! \ 0x07 + 24 87 ov! \ 0x25 + 04 88 ov! \ 0x14 + e0 89 ov! \ 0xf0 + cb 8a ov! \ 0xc2 + 55 8b ov! \ 0x4f + + 10 8c ov! \ CMA select + + a4 8d ov! \ programmable edge + 06 8e ov! \ PROGEVAL + 00 8f ov! \ Cb/Cr coring + + 15 90 ov! \ GEUGAIN + 15 91 ov! \ GEUGAIN + f0 92 ov! \ Ucoring [7:4] max, [3:0] min + 00 94 ov! \ Uslope (1/128) + f0 96 ov! \ Dcoring [7:4] max, [3:0] min + 00 98 ov! \ Dslope (1/128) + + 08 9a ov! + 18 9b ov! + + 0c 9f ov! \ YEUGAIN + 0c a0 ov! \ YEUGAIN + 33 a1 ov! \ Yecore [7:4]upper [3:0]down + + 10 a9 ov! \ Cr saturation 0x12 + 10 aa ov! \ Cb saturation 0x12 + 82 ab ov! \ Brightness + 40 ae ov! \ Hue + 86 af ov! \ Hue + 10 b9 ov! \ 0x20 lowlux color + 20 ba ov! \ 0x10 lowlux color + + \ inverse color space conversion + 40 cc ov! + 00 cd ov! + 58 ce ov! + 40 cf ov! + ea d0 ov! + d3 d1 ov! + 40 d2 ov! + 6f d3 ov! + 00 d4 ov! + + \ ee nr + 08 d9 ov! + 1f da ov! + 05 db ov! + 08 dc ov! + 3c dd ov! + fb de ov! \ NOIZCTRL + + \ dark offset + 10 df ov! + 60 e0 ov! + 90 e1 ov! + 08 e2 ov! + 0a e3 ov! + + \ memory speed + 15 e5 ov! + 20 e6 ov! + 04 e7 ov! + + \ Sensor On + 00 00 ov! + 05 03 ov! + + + ( r: ycrcb? ) r> 0= if ( ) + 03 00 ov! \ IDP + cb 12 ov! \ RGB565 setting (same as yCrCb setting?) + then +; + +: seti-set-mirrored ( mirrored? -- ) + 0 0 ov! 4 ov@ 1 ( mirrored? reg-value bit ) + rot if or else invert and then ( reg-value' ) + 4 ov! +; + +: probe-seti ( -- found? ) + h# 66 to camera-smb-slave ( ) + camera-smb-on ( ) + + \ Try to read a byte of the manufacturing ID. If the read fails, + \ the device is not present or not responding. + 1 ['] ov@ catch if ( x ) + drop ( ) + false exit ( -- false ) + then ( regval ) + drop \ XXX Should compare with the SETi ID + + " SETi-xxx" " sensor" string-property + + ['] seti-set-mirrored to set-mirrored + ['] seti-config to camera-config + true +; + +\ Chain of sensor recognizers +: sensor-found? ( -- flag ) + probe-seti if true exit then + sensor-found? +;
Modified: dev/olpc/viacamera/camera.fth ============================================================================== --- dev/olpc/viacamera/camera.fth Fri Feb 24 07:40:33 2012 (r2879) +++ dev/olpc/viacamera/camera.fth Sat Feb 25 17:55:45 2012 (r2880) @@ -57,8 +57,10 @@ : ctlr-start ( -- ) 310 dup cl@ 1 or swap cl! ; \ Start the whole thing : ctlr-stop ( -- ) 310 dup cl@ 1 invert and swap cl! ; \ Stop the whole thing
+0 value use-ycrcb? + : read-setup ( -- ) - camera-config + use-ycrcb? camera-config ctlr-config 83 300 cl! \ Clear pending interrupts 1000.0000 200 cl! \ Allow CAP0 end interrupt @@ -104,7 +106,6 @@ (init) power-up camera-smb-setup smb-on - camera-init ;
@@ -154,7 +155,7 @@ : open ( -- flag ) init my-args " yuv" $= to use-ycrcb? - ov7670-detected? 0= if false exit then + sensor-found? 0= if false exit then alloc-dma-bufs read-setup true
Modified: dev/olpc/viacamera/loadpkg.fth ============================================================================== --- dev/olpc/viacamera/loadpkg.fth Fri Feb 24 07:40:33 2012 (r2879) +++ dev/olpc/viacamera/loadpkg.fth Sat Feb 25 17:55:45 2012 (r2880) @@ -30,7 +30,11 @@ [ifndef] seq@ : seq@ 3c4 pc! 3c5 pc@ ; [then] fload ${BP}/dev/olpc/viacamera/smbus.fth \ Bit-banging SMBUS driver fload ${BP}/dev/olpc/viacamera/platform.fth - fload ${BP}/dev/olpc/ov7670.fth + fload ${BP}/dev/olpc/imagesensor.fth + warning @ warning off + fload ${BP}/dev/olpc/seti.fth + fload ${BP}/dev/olpc/ov7670.fth \ Load last; most likely to be present + warning ! fload ${BP}/cpu/x86/ycrcbtorgb.fth \ Color space conversion fload ${BP}/dev/olpc/viacamera/camera.fth fload ${BP}/dev/olpc/cameratest.fth
Modified: dev/olpc/viacamera/platform.fth ============================================================================== --- dev/olpc/viacamera/platform.fth Fri Feb 24 07:40:33 2012 (r2879) +++ dev/olpc/viacamera/platform.fth Sat Feb 25 17:55:45 2012 (r2880) @@ -11,10 +11,11 @@ : cl! ( l adr -- ) " mmio-base" $call-parent + rl! ; : cl@ ( adr -- l ) " mmio-base" $call-parent + rl@ ;
-h# 42 constant ov-sid h# 31 constant sccb-port
-: camera-smb-setup ( -- ) sccb-port to smb-port ov-sid to smb-slave ; +0 value camera-smb-slave +: camera-smb-setup ( -- ) sccb-port to smb-port camera-smb-slave to smb-slave ; +: camera-smb-on ( -- ) camera-smb-setup smb-on ; : ov@ ( reg -- data ) camera-smb-setup smb-byte@ ; : ov! ( data reg -- ) camera-smb-setup smb-byte! ;
Modified: dev/olpc/viacamera/smbus.fth ============================================================================== --- dev/olpc/viacamera/smbus.fth Fri Feb 24 07:40:33 2012 (r2879) +++ dev/olpc/viacamera/smbus.fth Sat Feb 25 17:55:45 2012 (r2880) @@ -46,10 +46,8 @@ : smb-get-ack ( -- ) smb-data-hi smb-clk-hi smb-wait-clk-hi - smb-data@ \ drop \ SCCB generates an don't care bit + smb-data@ smb-clk-lo ( nak? ) if smb-stop true abort" I2c NAK" then - smb-clk-lo -\ smb-wait-data-hi ; : smb-bit ( flag -- ) if smb-data-hi else smb-data-lo then
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