From: AngeloGioacchino Del Regno <angelogioacchino.delregno@collabora.com>
To: Allen-KH Cheng <allen-kh.cheng@mediatek.com>,
Matthias Brugger <matthias.bgg@gmail.com>,
Mark Brown <broonie@kernel.org>
Cc: Kevin Hilman <khilman@baylibre.com>,
Linux-ALSA <alsa-devel@alsa-project.org>,
tzungbi@google.com, Chen-Yu Tsai <wenst@chromium.org>,
cujomalainey@google.com,
Pierre-Louis Bossart <pierre-louis.bossart@linux.intel.com>,
Liam Girdwood <lgirdwood@gmail.com>,
Ranjani Sridharan <ranjani.sridharan@linux.intel.com>,
Kai Vehmanen <kai.vehmanen@linux.intel.com>,
Daniel Baluta <daniel.baluta@nxp.com>,
Jaroslav Kysela <perex@perex.cz>, Takashi Iwai <tiwai@suse.com>,
Project_Global_Chrome_Upstream_Group@mediatek.com,
linux-kernel@vger.kernel.org, devicetree@vger.kernel.org,
linux-arm-kernel@lists.infradead.org,
linux-mediatek@lists.infradead.org,
sound-open-firmware@alsa-project.org
Subject: Re: [PATCH v7 1/1] firmware: mediatek: add adsp ipc protocol interface
Date: Wed, 25 May 2022 12:39:31 +0200 [thread overview]
Message-ID: <54d6c0ff-d93c-0506-4db9-3852c69211ab@collabora.com> (raw)
In-Reply-To: <20220407130338.28939-2-allen-kh.cheng@mediatek.com>
Il 07/04/22 15:03, Allen-KH Cheng ha scritto:
> From: Allen-KH Cheng <Allen-KH.Cheng@mediatek.com>
>
> Some of mediatek processors contain
> the Tensilica HiFix DSP for audio processing.
>
> The communication between Host CPU and DSP firmware is
> taking place using a shared memory area for message passing.
>
> ADSP IPC protocol offers (send/recv) interfaces using
> mediatek-mailbox APIs.
>
> We use two mbox channels to implement a request-reply protocol.
>
> Signed-off-by: Allen-KH Cheng <allen-kh.cheng@mediatek.com>
> Reviewed-by: Pierre-Louis Bossart <pierre-louis.bossart@linux.intel.com>
> Reviewed-by: Curtis Malainey <cujomalainey@chromium.org>
> Reviewed-by: Tzung-Bi Shih <tzungbi@google.com>
> Reviewed-by: YC Hung <yc.hung@mediatek.com>
> Reviewed-by: AngeloGioacchino Del Regno <angelogioacchino.delregno@collabora.com>
> ---
> drivers/firmware/Kconfig | 1 +
> drivers/firmware/Makefile | 1 +
> drivers/firmware/mediatek/Kconfig | 9 +
> drivers/firmware/mediatek/Makefile | 2 +
> drivers/firmware/mediatek/mtk-adsp-ipc.c | 161 ++++++++++++++++++
> .../linux/firmware/mediatek/mtk-adsp-ipc.h | 65 +++++++
> 6 files changed, 239 insertions(+)
> create mode 100644 drivers/firmware/mediatek/Kconfig
> create mode 100644 drivers/firmware/mediatek/Makefile
> create mode 100644 drivers/firmware/mediatek/mtk-adsp-ipc.c
> create mode 100644 include/linux/firmware/mediatek/mtk-adsp-ipc.h
>
Gentle ping for this one, as it's getting stale... and it's ready.
To add context, this driver is *really* necessary, as support for it
is added in the MT8195 ASoC SOF driver as a platform device [1], and the
necessary memory regions are coming from the mediatek,mt8195-dsp [2] driver.
[1]:
https://git.kernel.org/pub/scm/linux/kernel/git/next/linux-next.git/tree/sound/soc/sof/mediatek/mt8195/mt8195.c?h=next-20220525#n389
[2]:
https://git.kernel.org/pub/scm/linux/kernel/git/next/linux-next.git/tree/Documentation/devicetree/bindings/dsp/mediatek,mt8195-dsp.yaml?h=next-20220525#n61
Cheers,
Angelo
next prev parent reply other threads:[~2022-05-25 10:39 UTC|newest]
Thread overview: 5+ messages / expand[flat|nested] mbox.gz Atom feed top
2022-04-07 13:03 [PATCH v7 0/1] firmware: mtk: add adsp ipc protocol for SOF Allen-KH Cheng
2022-04-07 13:03 ` [PATCH v7 1/1] firmware: mediatek: add adsp ipc protocol interface Allen-KH Cheng
2022-05-25 10:39 ` AngeloGioacchino Del Regno [this message]
2022-05-25 10:41 ` AngeloGioacchino Del Regno
2022-04-07 14:27 ` [PATCH v7 0/1] firmware: mtk: add adsp ipc protocol for SOF Daniel Golle
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