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
