From: Jeff Garzik <jeff@garzik.org>
To: amruth pattanada <amruth.vamadev@gmail.com>
Cc: Robert Hancock <hancockrwd@gmail.com>,
linux-ide@vger.kernel.org, LKML <linux-kernel@vger.kernel.org>
Subject: Re: Setting up Silicon image 3114 in DMA mode
Date: Wed, 30 Jun 2010 20:33:07 -0400 [thread overview]
Message-ID: <4C2BE243.5040308@garzik.org> (raw)
In-Reply-To: <AANLkTimOu5GfUN848EOiMIZONHrRjgYyexmwBL3OCAMs@mail.gmail.com>
On 06/30/2010 08:30 AM, amruth pattanada wrote:
> Hi
> I need some clarification regarding read DMA data from silicon image
> controller. How do know that DMA transfer happened and where to look
> for the data after the transfer. Should we look at BAR2 channel X Task
> file register data word or look into allocated DMA buffer which is
> specified in the PRD table. I am reading 0x00 in the PRD table scatter
> gather list and it hangs in the when I tried to read data word of
> channel task file register. Please let me know how to read data buffer
> after the DMA is complete.
Teaching you how to write a non-Linux driver is outside the scope of
linux-ide and linux-kernel. This information is covered by the freely
available Silicon Image documentation, and SiI support should be able to
assist you further beyond that.
Jeff
prev parent reply other threads:[~2010-07-01 0:33 UTC|newest]
Thread overview: 5+ messages / expand[flat|nested] mbox.gz Atom feed top
2010-06-25 8:25 Setting up Silicon image 3114 in DMA mode amruth pattanada
2010-06-26 4:13 ` Robert Hancock
2010-06-26 15:06 ` amruth pattanada
2010-06-30 12:30 ` amruth pattanada
2010-07-01 0:33 ` Jeff Garzik [this message]
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