changelog

linux下的摄像头驱动

This is the changelog for the SPCA5xx usb camera driver.
Newest entries appear at the top of this file.

/*Experimental spca5xx work based on spca50x module */
Release 0.56
Changes in this release:
19/03/2005:
	revert the le16_to_cpu() as Tomas (tgc) Ken Huang report code broken
	with ppc and Arm processor ?
15/03/2005:
	version:56.03.15:
	Add MicroInnovation 0x0461:0x0a00 zc030x chips
	Add Aiptek PocketCam 4 M 0x08ca:0x2028 spca533
	Add Aiptek Pocket DV5100 0x08ca:0x2042 spca536
	Add Aiptek Pocket DV5300 0x08ca:0x2060 spca536
	Add Sunplus Generic 0x04fc:0x5360 spca536
	Add Logitech Quick Cam IM +sound 0x046d:0x08a1
	Add Logitech QuickCam Chat 0x046d:0x08a3
	Add Logitech QuicCam IM 0x046d:0x08B9 
13/03/2005:
	Add Logitech QC IM 0x046d:0x08a0 hdcs2020 thanks Gaby_gaim :)
02/03/2005
	version:56.03.02:
	FIX mirror x axis for the HV7131B :)
	endian FIX le16_to_cpu() a kernel people feature:)
	
01/03/2005:
	version:56.03.01:
	FIX bug in saturation yuv420p with the LG-Lic100 zc0301P camera Thanks Ulisses Penna 
	with your camera that is more easy :) 
	Add Polaroid PDC3070 Usbid 0x0546:0x3155 spca533a Thanks Mickael for the
	Patch :)
	Memory management change 2.6.11 kernel Thanks Brice Goglin and Laurent Riffard for the patch :)
	Add for test Logitech Quickcam Express Etch2 0x046d:0x0928 Thanks Rick Sewill for
	testing :)
	Add for test Logitech Quickam Notebooks 0x046d:0x092a
	FIX spca5xx_get_depth() according V4L spec driver should answer -EINVAL
	if a palette is not available only jpeg camera can access the jpeg
	palette now
	ALLOW user to change picture parameters trought sysfs as root
	echo "1" > /sys/module/spca50x/gamma
	change the gamma value to 1 (for others parameters please read the
	README)
	read a parameter
	cat /sys/module/spca50x/gamma	
	you need to stop the camera then restart to take effect :)
	improve tasklet ask 
	Change the module name to spca5xx to avoid confusion with the now historical spca50x 
	
06/02/2005:
	version:56.02.06
	Set up version to release.mounth.day
	Set up tv8532_preprocess to remove miss align pixels sequence
	move_data did not cut any thing and transmit the whole frame to the
	decoder with line EOL and packet header
	Set up Brightness for tv8532 chips
	Allow yuv420p to use gamma and pictures setting in bayer decode.
	Good results are get with 
	modprobe spca50x GRed=217 GBlue=300 GGreen=224 gamma=4
	Remove Historic BUG in spca50x :)confuse about && and & Thanks
	Alexander :)
	FIX bug in Icm105a when restart in large Thanks Chris Cothrun with your 
	Icm105a webcamera that is more easy:)
29/01/2005:
	Remove big array for the tv8532 and write some usefuff functions instead
	Fix spca504a when firmware is not get, probe return now -ENODEV :)
	
26/01/2005:
	version:5626
	Modify spca50x core to accept iso stream for the tv8532
	Allow tv8532 to accept 176x144 in hardware and 320x240 software
	
19/01/2005:
	Add Typhon Webshoot II 0x10fd:0x8050 Thanks Salvador for the patch :)
16/01/2005:
	version 0.5616
	Creative Vista now start each times :)
	352x288 9fp/s 320x240 9fp/s 176x144 16fp/s 160x120 25 fp/s
	spca561 code give now better results Genius VideoCam V2
	352x288 9fp/s 320x240 9fp/s 176x144 17fp/s 160x120 27fp/s
	For some strange reason Vista contrast did not work ATM :(
	Know Vista problem a little bit too dark :(
15/01/2005:
Big changes in the structure of the module needed by a strong migration 
all cameras code should goes temporary in a .h file and offer a single interface.
	Add Creative Vista 0x041e:0x403b experimental work in 352x288 9fp/s:)
	Know problem very very dark, sometimes need a replug to restart :(
13/01/2005
	Find a new hardware setting for the HDCS2020, Many thanks Ulisses Penna
	for snoop and testing :)
11/01/2005
	FIX Bug in the jpeg422 kernel decoder :)
10/01/2005:
	FIX a bug in the Cx11646 stop isoc :)
09/01/2005:
	version 0.569
	Add colors setting for the cx11646
	Clean the isoc handler ( lot of stuff from spca50x without any use )
	Preliminary code Creative Vista 0x403b (ATM did not work:) )
	Added support for 2 Veo Stingray: 0x0545:0x8333 and 0x0545:0x808b, the latter
	one has not been confirmed, and is only there for testing purpose!(Tomas works)
07/01/2005:
	Add contrast brightness for the Cx11646 chips
	Fix bug when frame asked and get are different
	Add Sensor CS2102  for the zc030x Thanks Alvaro Salmador for a lot of patchs and test :)
	Improve Initialize of the tv8532 chips
01/01/2005:
Happy New Year :)
	Add Creative Live! zc0301 chips UsbId 0x041e:0x4036 Thanks Hans Petter Janson :)
	Add Mercury Digital Pro 3.1Mp UsbId 0x0733:0x2221 Thanks Scott Cameron :)
	Add Mustek Wcam300a zc0302 UsbId 0x055f:0xc005 Test are needed  
	
31/12/2004
	Add Gsmart 300 UsbId 0x055f:0xc200 Thanks Stas Bevc for the pacth and
	testing :)
	
25/12/2004:
Add the work of Tomas Groth for the tv8532 chips Thanks tgc for the patch :)
Changelog of the Tomas branch follow:
	*/25122004:
	*/Re-sync with spca5xx to fix support for > 2.6.5 kernels.

	*/19122004:
	*/Sync with spca5xx to make it compile with gcc 3.4.3 and to make it work with
	*/linux 2.6.10.
	*/Added patch by Sam Engstrom for better picture quality.

	*/23062004:
	*/It turns out that spca532==icm532, and there actually exist a
	*/public availble datasheet for that chip :D
	*/Also there exist a sourceforge project for this chips 
	*/(icm532.sf.net), which supports a lot of cams, which i can gladly
	*/here: Biolux 654 microscope, Ezonics EZCam USB II (uvt8532),
	*/Ezonics EZCam USB III, TerraCam USB, Stick Webcam, Mini WebCam,
	*/Tucan PenCam, Che-ez! Webbie, SNAKE EYE SI-8480/8481, PC CAM CP03,
	*/WEB Camera PBC0006, Clipcam.
	*/I hope that i can help the icm532 team and the other way around too.


	*/20062004:
	*/Re-sync with spca5xx experimental driver from mxhaard.free.fr so
	*/that it will work with linux 2.6.7 and above.


	*/030622004:
	*/Re-sync with spca5xx experimental driver from mxhaard.free.fr
	*/Fixed a bug which makes gnomemeeting think the webcam can do 
	*/different resolutions, wich it ATM can't.

	*/25052004:
	*/Re-sync with spca5xx experimental driver from mxhaard.free.fr
	*/Made the colors better by switching the bayer-color setup.
Release 0.55
Changes in this release:
------------
24/12/2004:
Add bridge cx11646 should be the Creative Notebook PD1170 chips ? Thanks Paolo
Gai for sending me a Camera to test :)
Add support for the bridge and sensor cxlib.h cx11646.h
Add restart marker handle in the jpeg4.2.2 decoder for the cx11646 camera
Add JPGC type for that stream
FIX problem with old kernel 2.6.4 thanks Tomas (tgc) 
Add Sunplus 0x08ca:0x2022 Spca533a Aiptek Slim3200 Thanks Daniel Gollub :)

Release 0.54
------------
Changes in this release:
12/12/2004:
Add module_param() feature Thanks Reza (timebomb) and me (why not) :)
plp can now set some parameters as root trought sysfs
echo "2" > /sysfs/module/spca50x/debug
then read 
cat /sysfs/module/spca50x/debug
you need to stop the cam鵨ra then restart to take effect :)
FIX an Historical spca50x Bug Thanks Alvaro for the patch :)
10/12/2004:
FIX stack problem with Fedora Kernel with a little stack
Remove some field not used in the struct frame
Remove static variable not used
FIX V4l read method only set the real amount of available data
Make the code reentrant when needed
Lot of cleanup
Release 0.53
------------
Changes in this release:
08/12/2004:
Add sensor hv7131c for the z-star chips thanks Cristophe Zaragoza for testing :)
07/12/2004: 
FIX bug on the ClickSmart310 Gnomemeeting should work now:)
06/12/2004:
Implement generic Z-star Vimicro 0x0ac8:0x0302 from Chris Cothrun snoop should
be an ICM105A Thanks Chris for testing :)
04/12/2004:
Implemente Z-star~vimicro Sensor detection Tested with PB0330 ICM105A HDCS2020 HV7131B TAS5130C
HV7131C is untested.For Others contact the Autor [e-mail] 
01/12/2004:
Add new spca536 camera Kowa Bs-888e Usbid 0x055f:0xc211 Thanks (nx5)
Allow 640x480 jpeg for the spca536 chips 
30/11/2004
Sonix decompressor by B.S. is implemented in spcadecoder many Thanks for the
great job of B.S.
Sonix cam now stream in compressed mode camera type is set to SN9C
Update Sonix setting according new frame rate VGA 8~10fp/s CIF 15~18 fp/s QCIF
25~30 fp/s tested with Tas5130 and Pas106 Sensors
Fix problem with wMaxPacketSize on zc030x chips wMaxPacketSize is get now from
the usb struct enumeration
Find some hardware problem with Via VT82C586 Usb controller chips and the Z-Star
Vimicro WebCam :( Used an PCI/USB Card with a NEC chips solve the problem :(
21/11/2004
Fix problem on zc030x bridge close (Labtec Pro should stop the light now )
Fix unlink urb or kill urb on close
Add contrast and brightness for the zc030x chips
Add small udelay between initialize command
18/11/2004
Add for test Creative Nx Pro 2 usbid 0x041e:0x403a Thanks Leonardo Lanzi for
testing:)
16/11/2004
Add Digitrex 2110 usbid 0x04fc:0x5330 Thanks Eric Sanden for testing
Add Gsmart D30 usbid 0x055f:0xc540 spca533 weird resolution thanks Andrea
Musuruane
Add for test only Wasam  0x0ac8:0x301b Thanks Gerard Klaver for snoop and test 

Release 0.52
------------
07/11/2004
Add Sonix webcam 0x0c45:0x6029 this is a work from Stefano Mozzi
Add Sonix 0x0c45:6009 and 0x0c45:600d Pas106 Sensor