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Wed, 12 Jan 2022 11:25:54 -0800 (PST) MIME-Version: 1.0 References: <20220112113247.29135-1-allen-kh.cheng@mediatek.com> <20220112113247.29135-2-allen-kh.cheng@mediatek.com> In-Reply-To: <20220112113247.29135-2-allen-kh.cheng@mediatek.com> From: Curtis Malainey Date: Wed, 12 Jan 2022 11:25:42 -0800 Message-ID: Subject: Re: [PATCH v2 1/1] firmware: mediatek: add adsp ipc protocol interface To: "allen-kh.cheng" Content-Type: text/plain; charset="UTF-8" Cc: linux-arm-kernel@lists.infradead.org, devicetree@vger.kernel.org, Linux-ALSA , Kai Vehmanen , Kevin Hilman , Takashi Iwai , Pierre-Louis Bossart , Liam Girdwood , Project_Global_Chrome_Upstream_Group@mediatek.com, Tzung-Bi Shih , Mark Brown , linux-mediatek@lists.infradead.org, Ranjani Sridharan , Matthias Brugger , Daniel Baluta , Linux Kernel Mailing List , sound-open-firmware@alsa-project.org X-BeenThere: alsa-devel@alsa-project.org X-Mailman-Version: 2.1.15 Precedence: list List-Id: "Alsa-devel mailing list for ALSA developers - http://www.alsa-project.org" List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: alsa-devel-bounces@alsa-project.org Sender: "Alsa-devel" On Wed, Jan 12, 2022 at 3:43 AM allen-kh.cheng wrote: > > From: Allen-KH Cheng > > 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. > > Reviewed-by: Tzung-Bi Shih > Signed-off-by: Allen-KH Cheng Reviewed-by: Curtis Malainey