On 16 April 2018 at 23:35, Vinod Koul wrote:
> On Mon, Apr 16, 2018 at 02:32:05PM +0800, Baolin Wang wrote:
>
>> >> Beside the general configuration, our audio driver will configure the
>> >> fragment length, block length, maybe transaction length, and they must
>> >> specify the request type and
On Mon, Apr 16, 2018 at 02:32:05PM +0800, Baolin Wang wrote:
> >> Beside the general configuration, our audio driver will configure the
> >> fragment length, block length, maybe transaction length, and they must
> >> specify the request type and interrupt type, these are what we want to
> >> expor
On 16 April 2018 at 11:58, Vinod Koul wrote:
> On Fri, Apr 13, 2018 at 02:41:48PM +0800, Baolin Wang wrote:
>> On 13 April 2018 at 14:36, Vinod Koul wrote:
>> > On Fri, Apr 13, 2018 at 02:17:34PM +0800, Baolin Wang wrote:
>> >
>> >> > Agreed, users only care about grabbing a channel, setting a de
On Fri, Apr 13, 2018 at 02:41:48PM +0800, Baolin Wang wrote:
> On 13 April 2018 at 14:36, Vinod Koul wrote:
> > On Fri, Apr 13, 2018 at 02:17:34PM +0800, Baolin Wang wrote:
> >
> >> > Agreed, users only care about grabbing a channel, setting a descriptor
> >> > and
> >> > submitting that.
> >> >
On 13 April 2018 at 18:11, Vinod Koul wrote:
> On Fri, Apr 13, 2018 at 02:41:48PM +0800, Baolin Wang wrote:
>> On 13 April 2018 at 14:36, Vinod Koul wrote:
>> > On Fri, Apr 13, 2018 at 02:17:34PM +0800, Baolin Wang wrote:
>> >
>> >> > Agreed, users only care about grabbing a channel, setting a de
On Fri, Apr 13, 2018 at 02:41:48PM +0800, Baolin Wang wrote:
> On 13 April 2018 at 14:36, Vinod Koul wrote:
> > On Fri, Apr 13, 2018 at 02:17:34PM +0800, Baolin Wang wrote:
> >
> >> > Agreed, users only care about grabbing a channel, setting a descriptor
> >> > and
> >> > submitting that.
> >> >
On 13 April 2018 at 14:36, Vinod Koul wrote:
> On Fri, Apr 13, 2018 at 02:17:34PM +0800, Baolin Wang wrote:
>
>> > Agreed, users only care about grabbing a channel, setting a descriptor and
>> > submitting that.
>> >
>> > I think you need to go back and think about this a bit, please do go thru
>>
On Fri, Apr 13, 2018 at 02:17:34PM +0800, Baolin Wang wrote:
> > Agreed, users only care about grabbing a channel, setting a descriptor and
> > submitting that.
> >
> > I think you need to go back and think about this a bit, please do go thru
> > dmaengine documentation and see other driver exampl
On 13 April 2018 at 11:43, Vinod Koul wrote:
> On Thu, Apr 12, 2018 at 07:36:34PM +0800, Baolin Wang wrote:
>> >>> >> +/*
>> >>> >> + * struct sprd_dma_config - DMA configuration structure
>> >>> >> + * @config: dma slave channel config
>> >>> >> + * @fragment_len: specify one fragment transfer le
On 13 April 2018 at 11:39, Vinod Koul wrote:
> On Thu, Apr 12, 2018 at 07:30:01PM +0800, Baolin Wang wrote:
>
>> >> > what does block and transaction len refer to here
>> >>
>> >> Our DMA has 3 transfer mode: transaction transfer, block transfer and
>> >> fragment transfer. One transaction transf
On Thu, Apr 12, 2018 at 07:36:34PM +0800, Baolin Wang wrote:
> >>> >> +/*
> >>> >> + * struct sprd_dma_config - DMA configuration structure
> >>> >> + * @config: dma slave channel config
> >>> >> + * @fragment_len: specify one fragment transfer length
> >>> >> + * @block_len: specify one block tran
On Thu, Apr 12, 2018 at 07:30:01PM +0800, Baolin Wang wrote:
> >> > what does block and transaction len refer to here
> >>
> >> Our DMA has 3 transfer mode: transaction transfer, block transfer and
> >> fragment transfer. One transaction transfer can contain several blocks
> >> transfer, and each
On 12 April 2018 at 19:30, Baolin Wang wrote:
> Hi Vinod,
>
> On 12 April 2018 at 17:37, Vinod Koul wrote:
>> On Wed, Apr 11, 2018 at 08:13:28PM +0800, Baolin Wang wrote:
>>> Hi Vinod,
>>>
>>> On 11 April 2018 at 17:36, Vinod Koul wrote:
>>> > On Tue, Apr 10, 2018 at 03:46:06PM +0800, Baolin Wan
Hi Vinod,
On 12 April 2018 at 17:37, Vinod Koul wrote:
> On Wed, Apr 11, 2018 at 08:13:28PM +0800, Baolin Wang wrote:
>> Hi Vinod,
>>
>> On 11 April 2018 at 17:36, Vinod Koul wrote:
>> > On Tue, Apr 10, 2018 at 03:46:06PM +0800, Baolin Wang wrote:
>> >
>> >> +/*
>> >> + * struct sprd_dma_config
On Wed, Apr 11, 2018 at 08:13:28PM +0800, Baolin Wang wrote:
> Hi Vinod,
>
> On 11 April 2018 at 17:36, Vinod Koul wrote:
> > On Tue, Apr 10, 2018 at 03:46:06PM +0800, Baolin Wang wrote:
> >
> >> +/*
> >> + * struct sprd_dma_config - DMA configuration structure
> >> + * @config: dma slave channel
Hi Vinod,
On 11 April 2018 at 17:36, Vinod Koul wrote:
> On Tue, Apr 10, 2018 at 03:46:06PM +0800, Baolin Wang wrote:
>
>> +/*
>> + * struct sprd_dma_config - DMA configuration structure
>> + * @config: dma slave channel config
>> + * @fragment_len: specify one fragment transfer length
>> + * @bl
On Tue, Apr 10, 2018 at 03:46:06PM +0800, Baolin Wang wrote:
> +/*
> + * struct sprd_dma_config - DMA configuration structure
> + * @config: dma slave channel config
> + * @fragment_len: specify one fragment transfer length
> + * @block_len: specify one block transfer length
> + * @transcation_len
There are some Spreadtrum special configuration for DMA controller,
thus this patch adds one 'struct sprd_dma_config' structure for users
to configure.
Moreover this patch did some optimization for sprd_dma_config() and
sprd_dma_prep_dma_memcpy() to prepare to configure DMA from users.
Signed-off
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