[alsa-devel] [PATCH v3 2/9] ARM: OMAP: mcbsp: Enable FIFO use for OMAP2430
tony at atomide.com
Sat Aug 18 08:08:10 CEST 2012
* Peter Ujfalusi <peter.ujfalusi at ti.com> [120817 07:03]:
> On 08/17/2012 04:14 PM, Jarkko Nikula wrote:
> > On 08/17/2012 04:07 PM, Tony Lindgren wrote:
> >> * Peter Ujfalusi <peter.ujfalusi at ti.com> [120816 06:41]:
> >>> On OMAP2430 all McBSP ports have 128 word long buffer, enable the use of
> >>> the FIFO for the audio stack.
> >> Is this the case also for 2420? I thought some only had a FIFO at
> >> one port?
> > IRCC (I don't have specs), nope. Only 2430 (as noted by Peter) and
> > onwards have FIFO.
> > But that's true that FIFO sizes differ between the ports. E.g. only
> > ports 2 and 3 have 1024+128 deep FIFOs in OMAP3.
> OMAP2420 McBSP does not have FIFO (the IP is closer to OMAP1 McBSP).
> OMAP2430, OMAP4, OMAP5 has 128 word long FIFO on all McBSP ports.
> On OMAP3: McBSP2 have 1024+256 (1280) word FIFO the rest of the ports have 128
> long FIFO.
Thanks, is this patch still correct so it does not try to enable FIFO
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