DAVINCI EDMA DRIVER

Nov 17, 2: Let us know if there is anything else we can assist you with. Need to DMA the data into memory. TI, its suppliers and providers of content reserve the right to make corrections, deletions, modifications, enhancements, improvements and other changes to the content and materials, its products, programs and services at any time or to move or discontinue any content, products, programs, or services without notice. All content and materials on this site are provided “as is”.

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DMA Engine support for AM33xx

Let us know if there is ecma else we can assist you with. In reply to Bernie Thompson TI:. Ask a new question Ask a new question Cancel.

Pretty sure none exists. Need to DMA the data into memory. Due to the holidays, responses may be delayed.

The newly created question will be automatically linked to this question. In reply to jalexander:. I believe the sound driver. On the other hand if you were using DMA in an algorithm or user application than you would want to davinic a look at http: In reply to Juan Gonzales: Apparently there are available Davinci DMA calls, e.

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Nov 11, 4: Ask a related question Ask a new question.

Content on this site may contain or be subject to specific guidelines or limitations on use. In reply to jalexander: In reply to Bernie Thompson TI: All postings and use of the content on this site are subject to the Terms of Use of the site; third parties using this content agree to abide by any limitations or guidelines and to comply with the Terms of Use of this site.

It is a kernel driver that is used by other kernel drivers as opposed to user applications ; therefore, your best bet is to look at the other kernel drivers that make use of this DMA driver as reference code. In reply to Juan Gonzales:. Use of the information on this site may require a license from a third party, or a license from TI.

Linux source code: sound/soc/davinci/edma-pcm.c (v) – Bootlin

From a driver level DMA documentation perspective you are probably correct, I have not seen any documentation on the DMA driver itself for within other drivers. As far as the low level driver in linux is concerned, it is pretty much the same as the EDMA data sheet that is available.

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Linux Kernel: arch/arm/mach-davinci/include/mach/edma.h Source File

Go to Support forums. You can check if this post helps http: The low level calls which are referenced in the other drivers are prrtty much as described in the EDMA sprue giudes: Nov 17, 2: TI is a global semiconductor design and manufacturing company. TI and its respective suppliers and providers of content make no representations about the suitability of these materials for any purpose and disclaim all warranties davinc conditions with regard to these materials, including but not limited to all implied warranties and conditions of merchantability, fitness for a particular purpose, title and non-infringement of any third party intellectual property right.

All content and materials on this site are provided “as is”. Does anyone have documentation and or code on how to implement this. We are glad that we were able to resolve this issue, and will now proceed to close this thread.