linux-kernel - [RESEND v6 0/1] firmware: mtk: add adsp ipc protocol for sof

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Date:   Thu, 24 Feb 2022 21:37:36 +0800
From:   Allen-KH Cheng <allen-kh.cheng@...iatek.com>
To:     Matthias Brugger <matthias.bgg@...il.com>,
        Mark Brown <broonie@...nel.org>
CC:     Kevin Hilman <khilman@...libre.com>,
        Linux-ALSA <alsa-devel@...a-project.org>, <tzungbi@...gle.com>,
        Chen-Yu Tsai <wenst@...omium.org>, <cujomalainey@...gle.com>,
        Pierre-Louis Bossart <pierre-louis.bossart@...ux.intel.com>,
        Liam Girdwood <lgirdwood@...il.com>,
        Ranjani Sridharan <ranjani.sridharan@...ux.intel.com>,
        Kai Vehmanen <kai.vehmanen@...ux.intel.com>,
        Daniel Baluta <daniel.baluta@....com>,
        Jaroslav Kysela <perex@...ex.cz>,
        Takashi Iwai <tiwai@...e.com>,
        <Project_Global_Chrome_Upstream_Group@...iatek.com>,
        <linux-kernel@...r.kernel.org>, <devicetree@...r.kernel.org>,
        <linux-arm-kernel@...ts.infradead.org>,
        <linux-mediatek@...ts.infradead.org>,
        <sound-open-firmware@...a-project.org>,
        Allen-KH Cheng <allen-kh.cheng@...iatek.com>
Subject: [RESEND v6 0/1] firmware: mtk: add adsp ipc protocol for sof

This patch provides mtk adsp ipc support for sof.

ADSP IPC protocol offers (send/recv) interfaces using
mediatek-mailbox APIs.

This was tested and confirmed on MT8195 cherry board with sof.

Based on linux-next

changes since v5:
- fix WARNING: modpost: missing MODULE_LICENSE() in drivers/mailbox
  /mtk-adsp-mailbox.o. Add MODULE_LICENSE in the last line.
- Due to WARNING: Missing or malformed SPDX-License-Identifier tag
  in line 1 in checkpatch, we don't remove SPDX-License in line 1.

changes since v4:
- add error message for wrong mbox chan

changes since v3:
- rebase on v5.16-rc8
- update reviewers

changes since v2:
- add out tag for two memory free phases

changes since v1:
- add comments for mtk_adsp_ipc_send and mtk_adsp_ipc_recv
- remove useless MODULE_LICENSE
- change label name to out_free

Allen-KH Cheng (1):
  firmware: mediatek: add adsp ipc protocol interface

 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

-- 
2.18.0