New Driver for DaVinci DM355/DM365/DM6446

2009-06-01 Thread Paulraj, Sandeep

Hello,

WE have a module(H3A) on Davinci DM6446,DM355 and DM365.

Customers require a way to collect the data required to perform the Auto 
Exposure (AE), Auto Focus(AF), and Auto White balance (AWB) in hardware as 
opposed to software. This is primarily for performance reasons as there is not 
enough software processing MIPS (to do 3A statistics) available in
an imaging/video system.

Including this block in hardware reduces the load on the processor and 
bandwidth to the memory as the data is collected on the fly from the imager.

This modules collects statistics and we currently implement it as a character 
driver.

Which mailing list would be the most appropriate mailing list to submit patches 
for review?

Thanks,
Sandeep
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RE: New Driver for DaVinci DM355/DM365/DM6446

2009-06-01 Thread Paulraj, Sandeep


 -Original Message-
 From: Mauro Carvalho Chehab [mailto:mche...@infradead.org]
 Sent: Monday, June 01, 2009 12:35 PM
 To: Paulraj, Sandeep
 Cc: linux-media@vger.kernel.org; linux-ker...@vger.kernel.org; Grosen,
 Mark
 Subject: Re: New Driver for DaVinci DM355/DM365/DM6446
 
 Em Mon, 1 Jun 2009 09:56:40 -0500
 Paulraj, Sandeep s-paul...@ti.com escreveu:
 
 
  Hello,
 
  WE have a module(H3A) on Davinci DM6446,DM355 and DM365.
 
  Customers require a way to collect the data required to perform the Auto
 Exposure (AE), Auto Focus(AF), and Auto White balance (AWB) in hardware as
 opposed to software. This is primarily for performance reasons as there is
 not enough software processing MIPS (to do 3A statistics) available in
  an imaging/video system.
 
  Including this block in hardware reduces the load on the processor and
 bandwidth to the memory as the data is collected on the fly from the
 imager.
 
  This modules collects statistics and we currently implement it as a
 character driver.
 
  Which mailing list would be the most appropriate mailing list to submit
 patches for review?
 
 You should send they to:
   LMML linux-media@vger.kernel.org
 
 If you are proposing API changes, please submit they first.
[Sandeep] WE don't propose any API changes. This module for which we want to 
submit patches is a TI proprietary IP. We currently implement this as a 
character device and have a few IOCTL's.
We do not follow the V4L2 framework and do not use any V4L2 IOCTLs.

Can we continue to use it as a character driver?
 
 
  Thanks,
  Sandeep
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 in
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 Cheers,
 Mauro

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RE: New Driver for DaVinci DM355/DM365/DM6446

2009-06-01 Thread Paulraj, Sandeep
Mauro,
  Please see inline

 -Original Message-
 From: Mauro Carvalho Chehab [mailto:mche...@infradead.org]
 Sent: Monday, June 01, 2009 1:57 PM
 To: Paulraj, Sandeep
 Cc: linux-media@vger.kernel.org; linux-ker...@vger.kernel.org; Grosen,
 Mark
 Subject: Re: New Driver for DaVinci DM355/DM365/DM6446
 
 Em Mon, 1 Jun 2009 11:54:37 -0500
 Paulraj, Sandeep s-paul...@ti.com escreveu:
 
 
 
   -Original Message-
   From: Mauro Carvalho Chehab [mailto:mche...@infradead.org]
   Sent: Monday, June 01, 2009 12:35 PM
   To: Paulraj, Sandeep
   Cc: linux-media@vger.kernel.org; linux-ker...@vger.kernel.org; Grosen,
   Mark
   Subject: Re: New Driver for DaVinci DM355/DM365/DM6446
  
   Em Mon, 1 Jun 2009 09:56:40 -0500
   Paulraj, Sandeep s-paul...@ti.com escreveu:
  
   
Hello,
   
WE have a module(H3A) on Davinci DM6446,DM355 and DM365.
   
Customers require a way to collect the data required to perform the
 Auto
   Exposure (AE), Auto Focus(AF), and Auto White balance (AWB) in
 hardware as
   opposed to software. This is primarily for performance reasons as
 there is
   not enough software processing MIPS (to do 3A statistics) available in
an imaging/video system.
   
Including this block in hardware reduces the load on the processor
 and
   bandwidth to the memory as the data is collected on the fly from the
   imager.
   
This modules collects statistics and we currently implement it as a
   character driver.
   
Which mailing list would be the most appropriate mailing list to
 submit
   patches for review?
  
   You should send they to:
 LMML linux-media@vger.kernel.org
  
   If you are proposing API changes, please submit they first.
  [Sandeep] WE don't propose any API changes. This module for which we
 want to submit patches is a TI proprietary IP. We currently implement this
 as a character device and have a few IOCTL's.
  We do not follow the V4L2 framework and do not use any V4L2 IOCTLs.
 
  Can we continue to use it as a character driver?
 
 In this case, I don't see why you want it to be upstream.
[Sandeep] TI customers and TI itself want to see this driver part of open 
source trees. Considering this we would like to submit our patches to the 
linux-media mailing list.
IS this OK?
 
 
 
 Cheers,
 Mauro

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