[PATCH v8 0/3] firmware: mtk: add adsp ipc protocol for SOF

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This patch provides mediatek adsp ipc support for SOF.
ADSP IPC protocol offers (send/recv) interfaces using
mediatek-mailbox APIs.

This patch was tested and confirmed to work with SOF fw on 
MT8195 cherry board and MT8186 krabby board.

changes since v7:
- rebase to linux-next/next-22020504
- use EXPORT_SYMBOL_GPL instead of EXPORT_SYMBOL in mtk-adsp-ipc.c 
- move mtk-adsp-ipc.c out from driver/firmware/mediatek
- add user of mtk-adsp-ipc.h in patchset 2 and 3.

changes since v6:
- rebase to matthias.bgg/linux.git, v5.18-next/soc
- Prefer "GPL" over "GPL v2" for MODULE_LICENSE

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):
  ASoC: SOF: mediatek: Add ipc support for mt8195

TingHan Shen (1):
  firmware: mediatek: add adsp ipc protocol interface

Tinghan Shen (1):
  ASoC: SOF: mediatek: Add mt8186 ipc support

 drivers/firmware/Kconfig                      |   9 +
 drivers/firmware/Makefile                     |   1 +
 drivers/firmware/mtk-adsp-ipc.c               | 157 ++++++++++++++++++
 .../linux/firmware/mediatek/mtk-adsp-ipc.h    |  65 ++++++++
 sound/soc/sof/mediatek/Kconfig                |   1 +
 sound/soc/sof/mediatek/adsp_helper.h          |  12 +-
 sound/soc/sof/mediatek/mt8186/mt8186-loader.c |   5 +
 sound/soc/sof/mediatek/mt8186/mt8186.c        | 141 ++++++++++++++++
 sound/soc/sof/mediatek/mt8195/mt8195.c        | 138 ++++++++++++++-
 9 files changed, 518 insertions(+), 11 deletions(-)
 create mode 100644 drivers/firmware/mtk-adsp-ipc.c
 create mode 100644 include/linux/firmware/mediatek/mtk-adsp-ipc.h

-- 
2.18.0




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