Em Mon, 25 Feb 2013 08:17:34 -0800 Sri Deevi <srinivasa.de...@conexant.com> escreveu:
> Mauro, > > Are you asking Hauppauge's version of ROM to be distributed with permissions > ? > Please clarify. > > If that is the case, I may not be able to do that. I've no idea if Hauppauge customized it, or if they just bundled a Conexant version of it. I suspect it was the last case, but maybe Michael or Steven may have or check with someone else about the origin of that firmware (85drv_29272/Driver85/hcw85enc.rom). Regards, Mauro > > Michael, > > If you can give me the details of when was the last time you got updates from > Conexant, then I can try to help in this regard. > > Thanks > Sri > > -----Original Message----- > From: Mauro Carvalho Chehab [mailto:mche...@redhat.com] > Sent: Monday, February 25, 2013 1:07 AM > To: Sri Deevi > Cc: Joseph Yasi; Ben Hutchings; linux-media@vger.kernel.org; David Woodhouse; > Palash Bandyopadhyay; Michael Krufky; Andy Walls; Hans Verkuil > Subject: Re: Firmware for cx23885 in linux-firmware.git is broken > > Em Sun, 24 Feb 2013 20:37:07 -0800 > "Sri Deevi" <srinivasa.de...@conexant.com> escreveu: > > > Mauro and All, > > > > Apologies for delay in reply. > > > > Whatever firmware works keep that one as reference. If you guys think the > > firmware from Hauppauge is latest, please keep that and I can get the > > required permissions as needed. > > > > Please do let me know whatever is the plan. Currently, there are no updates > > to this firmware as I know. > > David merged yesterday at linux-firmware a patch from Ben that removes this > firmware from the tree: > > > > -rw-rw-r-- 1 v4l v4l 16382 Ago 10 2012 v4l-cx23885-enc.fw > > > a9f8f5d901a7fb42f552e1ee6384f3bb v4l-cx23885-enc.fw > > As this firmware is known to not work with the Hauppauge devices. > > The better would be if you could give us permission to redistribute, instead, > the firmware found on Hauppauge's site (Windows driver only version there): > http://www.hauppauge.com/site/support/support_hvr1500.html > With points to: > http://hauppauge.lightpath.net/software/drivers/85drv_29272.zip > > The firmware there is this one: > -rw-rw-r-- 1 mchehab mchehab 376836 Mar 17 2006 > 85drv_29272/Driver85/hcw85enc.rom > 1cb3c48a6684126f5e503a434f2d636b 85drv_29272/Driver85/hcw85enc.rom > > With matches with the one it is known to work with this hardware: > > > > -r--r--r-- 1 v4l v4l 376836 Fev 24 08:47 v4l-cx23885-enc.fw > > > 1cb3c48a6684126f5e503a434f2d636b v4l-cx23885-enc.fw > > That would fix the main firmware issue. > > Regards, > Mauro > > > > > > Thanks > > Sri > > > > -----Original Message----- > > From: Joseph Yasi [mailto:joe.y...@gmail.com] > > Sent: Sunday, February 24, 2013 8:36 AM > > To: Mauro Carvalho Chehab > > Cc: Ben Hutchings; linux-media@vger.kernel.org; David Woodhouse; > > Palash Bandyopadhyay; Sri Deevi; Michael Krufky; Andy Walls; Hans > > Verkuil > > Subject: Re: Firmware for cx23885 in linux-firmware.git is broken > > > > On Sun, Feb 24, 2013 at 7:22 AM, Mauro Carvalho Chehab <mche...@redhat.com> > > wrote: > > > Em Sun, 24 Feb 2013 03:16:35 +0000 > > > Ben Hutchings <b...@decadent.org.uk> escreveu: > > > > > >> On Fri, 2013-02-22 at 19:30 -0500, Joseph Yasi wrote: > > >> > Hi, > > >> > > > >> > I'm not sure the appropriate list to email for this, but the > > >> > v4l-cx23885-enc.fw file in the linux-firmware.git tree is incorrect. > > >> > It is the wrong size and just a duplicate of the > > >> > v4l-cx23885-avcore-01.fw. The correct file can be extracted from > > >> > the > > >> > HVR1800 drivers here: http://steventoth.net/linux/hvr1800/. > > >> > > >> This was previously requested > > >> <http://thread.gmane.org/gmane.linux.drivers.video-input-infrastructure/57816> > > >> but unfortunately it's not clear that it would be legal to redistribute > > >> firmware extracted from that driver (or the driver itself). > > > > > > (c/c Conexant developers, Andy and Hans) > > > > > > Let's see if we can once for all fix this issue. So, let me do a > > > summary of the firmware situation here. > > > > > > Basically, the firmwares at linux-kernel are the ones that Conexant > > > gave us license to re-distribute. > > > > > > According with Conexant, there's one firmware that it is the same > > > for two different chips. On their words: > > > > > > "The Merlin firmware are the same for 418 and 416/7." > > > > > > The envolved Conexant firmwares are the ones used by cx23885-417.c, > > > cx231xx-417.c and cx25850.c: > > > > > > $ git grep v4l-cx23885-enc.fw drivers/media > > > drivers/media/pci/cx23885/cx23885-417.c:#define CX23885_FIRM_IMAGE_NAME > > > "v4l-cx23885-enc.fw" > > > drivers/media/usb/cx231xx/cx231xx-417.c:#define CX231xx_FIRM_IMAGE_NAME > > > "v4l-cx23885-enc.fw" > > > > > > $ grep "define.*FIRM" drivers/media/i2c/cx25840/cx25840-firmware.c > > > #define CX2388x_FIRMWARE "v4l-cx23885-avcore-01.fw" > > > #define CX231xx_FIRMWARE "v4l-cx231xx-avcore-01.fw" > > > #define CX25840_FIRMWARE "v4l-cx25840.fw" > > > > > > Those are the Conexant firmware files that we currently have at > > > linux-firmware: > > > > > > -rw-rw-r-- 1 v4l v4l 16382 Ago 10 2012 v4l-cx231xx-avcore-01.fw > > > -rw-rw-r-- 1 v4l v4l 141200 Ago 10 2012 v4l-cx23418-apu.fw > > > -rw-rw-r-- 1 v4l v4l 158332 Ago 10 2012 v4l-cx23418-cpu.fw > > > -rw-rw-r-- 1 v4l v4l 16382 Ago 10 2012 v4l-cx23418-dig.fw > > > -rw-rw-r-- 1 v4l v4l 16382 Ago 10 2012 v4l-cx23885-avcore-01.fw > > > -rw-rw-r-- 1 v4l v4l 16382 Ago 10 2012 v4l-cx23885-enc.fw > > > -rw-rw-r-- 1 v4l v4l 16382 Ago 10 2012 v4l-cx25840.fw > > > > > > And those are their corresponding md5sum: > > > > > > 7d3bb956dc9df0eafded2b56ba57cc42 v4l-cx231xx-avcore-01.fw > > > 588f081b562f5c653a3db1ad8f65939a v4l-cx23418-apu.fw > > > b6c7ed64bc44b1a6e0840adaeac39d79 v4l-cx23418-cpu.fw > > > 95bc688d3e7599fd5800161e9971cc55 v4l-cx23418-dig.fw > > > a9f8f5d901a7fb42f552e1ee6384f3bb v4l-cx23885-avcore-01.fw > > > a9f8f5d901a7fb42f552e1ee6384f3bb v4l-cx23885-enc.fw > > > dadb79e9904fc8af96e8111d9cb59320 v4l-cx25840.fw > > > > > > So, yes, v4l-cx23885-avcore-01.fw and v4l-cx23885-enc.fw files are > > > identical on the official released firmwares, and both have 16K. > > > > > > Now, Hauppauge is using different firmwares for v4l-cx23885-enc.fw > > > and v4l-cx23885-avcore-01.fw. After extracting the firmware from > > > their zip file, we have: > > > > > > -r--r--r-- 1 v4l v4l 376836 Fev 24 08:47 v4l-cx23885-enc.fw > > > -r--r--r-- 1 v4l v4l 16382 Fev 24 08:47 v4l-cx23885-avcore-01.fw > > > > > > With different checksums: > > > > > > b3704908fd058485f3ef136941b2e513 v4l-cx23885-avcore-01.fw > > > 1cb3c48a6684126f5e503a434f2d636b v4l-cx23885-enc.fw > > > > > > So: > > > 1) With regards to the encoder firmware for cx23885-417, both Conexant and > > > Hauppauge, provided a firmware with 16KB. Although they're different. > > > Not sure if they are just different versions, or if Hauppauge > > > customized > > > it on their driver. > > > > FYI, the v4l-cx23885-avcore-01.fw firmware file from the latest Hauppauge > > driver: > > http://hauppauge.lightpath.net/software/drivers/85drv_29272.zip is the same > > as the current one in git: > > a9f8f5d901a7fb42f552e1ee6384f3bb v4l-cx23885-avcore-01.fw > > > > but the v4l-cx23885-enc.fw file is still the same larger 372kB file: > > 1cb3c48a6684126f5e503a434f2d636b v4l-cx23885-enc.fw > > > > > 2) With regards to the decoder firmware for cx25840 (actually, the > > > equivalent IP block inside cx23885), while Conexant provided us with > > > a 16KB firmware, and both decoder and encoder using the very same > > > firmware, Hauppauge's driver is shipped with a 372KB firmware. > > > > > > > >> For now, I think we should delete the current version. > > > > > > That seems to be the only approach left, if neither Conexant or > > > Hauppauge could help solving this dilema. > > > > I agree with removing it from the tree for now. The card doesn't work with > > the current firmware encoder firmware in tree, and it's annoying to have > > the working version extracted from the driver overwritten everything a new > > linux-firmware package is pushed to the Ubuntu repositories. > > > > Thanks, > > Joe Yasi > > > > Conexant E-mail Firewall (Conexant.Com) made the following annotations > > --------------------------------------------------------------------- > > ********************** Legal Disclaimer **************************** > > > > "This email may contain confidential and privileged material for the sole > > use of the intended recipient. Any unauthorized review, use or distribution > > by others is strictly prohibited. If you have received the message in > > error, please advise the sender by reply email and delete the message. > > Thank you." > > > > ********************************************************************** > > > > --------------------------------------------------------------------- > > > > -- Cheers, Mauro -- To unsubscribe from this list: send the line "unsubscribe linux-media" in the body of a message to majord...@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html
