linux-kernel - Re: [PATCH v3 05/10] ASoC: tegra: add Tegra210 based AHUB driver

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Date:   Thu, 20 Feb 2020 15:08:03 +0000
From:   Jon Hunter <jonathanh@...dia.com>
To:     Sameer Pujar <spujar@...dia.com>, <perex@...ex.cz>,
        <tiwai@...e.com>, <robh+dt@...nel.org>
CC:     <broonie@...nel.org>, <lgirdwood@...il.com>,
        <thierry.reding@...il.com>, <digetx@...il.com>,
        <alsa-devel@...a-project.org>, <devicetree@...r.kernel.org>,
        <linux-tegra@...r.kernel.org>, <linux-kernel@...r.kernel.org>,
        <sharadg@...dia.com>, <mkumard@...dia.com>,
        <viswanathl@...dia.com>, <rlokhande@...dia.com>,
        <dramesh@...dia.com>, <atalambedu@...dia.com>
Subject: Re: [PATCH v3 05/10] ASoC: tegra: add Tegra210 based AHUB driver


On 20/02/2020 06:34, Sameer Pujar wrote:
> The Audio Hub (AHUB) comprises a collection of hardware accelerators for
> audio pre/post-processing and a programmable full crossbar (XBAR) for
> routing audio data across these accelerators in time and in parallel.
> AHUB supports multiple interfaces to I2S, DSPK, DMIC etc., XBAR is a
> switch used to configure or modify audio routing between HW accelerators
> present inside AHUB.
> 
> This patch registers AHUB component with ASoC framework. The component
> driver exposes DAPM widgets, routes and kcontrols for the device. The DAI
> driver exposes AHUB interfaces, which can be used to connect different
> components in the ASoC layer. Currently the driver takes care of XBAR
> programming to allow audio data flow through various clients of the AHUB.
> Makefile and Kconfig support is added to allow to build the driver. The
> AHUB component can be enabled in the DT via below compatible bindings.
>   - "nvidia,tegra210-ahub" for Tegra210
>   - "nvidia,tegra186-ahub" for Tegra186 and Tegra194
> 
> Signed-off-by: Sameer Pujar <spujar@...dia.com>
> ---
>  sound/soc/tegra/Kconfig         |  10 +
>  sound/soc/tegra/Makefile        |   2 +
>  sound/soc/tegra/tegra210_ahub.c | 651 ++++++++++++++++++++++++++++++++++++++++
>  sound/soc/tegra/tegra210_ahub.h | 125 ++++++++
>  4 files changed, 788 insertions(+)
>  create mode 100644 sound/soc/tegra/tegra210_ahub.c
>  create mode 100644 sound/soc/tegra/tegra210_ahub.h


Aside from Randy's comment ...

Reviewed-by: Jon Hunter <jonathanh@...dia.com>

Cheers
Jon

-- 
nvpublic