RE: [Alsa-devel] Dma query

2004-02-26 Thread Gupta, Kshitij
-Original Message- From: Jaroslav Kysela [mailto:[EMAIL PROTECTED] Sent: Thursday, February 26, 2004 4:57 PM To: Gupta, Kshitij Cc: [EMAIL PROTECTED] Subject: RE: [Alsa-devel] Dma query On Thu, 26 Feb 2004, Gupta, Kshitij wrote: > hi , > That's correct the pages will be in whole meor

RE: [Alsa-devel] Dma query

2004-02-26 Thread Jaroslav Kysela
On Thu, 26 Feb 2004, Gupta, Kshitij wrote: > Hi, > So does that mean that the __next period__ DMA transfer parameters > should be set in the interrupt routine(end of transfer of one period). But > to set the next DMA transfer params we must know the start address of the > buffer which the m

RE: [Alsa-devel] Dma query

2004-02-26 Thread Jaroslav Kysela
On Thu, 26 Feb 2004, Gupta, Kshitij wrote: > hi , > That's correct the pages will be in whole meory space and I will be > using snd_pcm_lib_preallocate_pages_for_all api for allocating the space. > There are some DMA apis (for our dma framework) like > > set_dma_transfer_params(srcaddr, de

RE: [Alsa-devel] Dma query

2004-02-26 Thread Gupta, Kshitij
hi, Any insights will be really helpful :) . regards -kshitij -Original Message- From: [EMAIL PROTECTED] [mailto:[EMAIL PROTECTED] Behalf Of Gupta, Kshitij Sent: Wednesday, February 25, 2004 4:59 PM To: 'Jaroslav Kysela' Cc: [EMAIL PROTECTED] Subject: RE: [Alsa-devel]

RE: [Alsa-devel] Dma query

2004-02-25 Thread Gupta, Kshitij
esday, February 25, 2004 4:05 PM To: Gupta, Kshitij Cc: [EMAIL PROTECTED] Subject: Re: [Alsa-devel] Dma query On Wed, 25 Feb 2004, Gupta, Kshitij wrote: > hi, > I have a very trivial question about the dma transfers with respect > to ALSA framework. > > Let me first exp

RE: [Alsa-devel] Dma query

2004-02-25 Thread Gupta, Kshitij
Thanx for the detailslet me just figure out the full flow and then come with some more queries ;)... -Original Message- From: Giuliano Pochini [mailto:[EMAIL PROTECTED] Sent: Wednesday, February 25, 2004 4:23 PM To: Gupta, Kshitij Cc: [EMAIL PROTECTED] Subject: Re: [Alsa-devel] Dma

Re: [Alsa-devel] Dma query

2004-02-25 Thread Giuliano Pochini
On Wed, 25 Feb 2004, Gupta, Kshitij wrote: > hi, > I have a very trivial question about the dma transfers with respect > to ALSA framework. > > Let me first explain a scenario > We have a Circularly linked Buffer pool > > buf1buf2buf3 buf4 bufn > > In very simple terms pl

Re: [Alsa-devel] Dma query

2004-02-25 Thread Jaroslav Kysela
On Wed, 25 Feb 2004, Gupta, Kshitij wrote: > hi, > I have a very trivial question about the dma transfers with respect > to ALSA framework. > > Let me first explain a scenario > We have a > Circularly linked Buffer pool > > buf1buf2buf3 buf4 bufn > > In very simple te