[0/3] Mediatek MT8195 ADSP IPC support

Message

Allen-KH Cheng Oct. 28, 2021, 1:26 p.m. UTC

This patches are providing support for ADSP IPC support
for MT8195.

Mediatek ADSP IPC is used to send notification or short
message between processors with dsp. It will place the
message to the share buffer and will access the ADSP
mailbox registers to kick dsp.

Two mailboxes used to send notification or short message
between processors with dsp

Allen-KH Cheng (3):
  dt-bindings: mediatek: add adsp-mbox document
  mailbox: mediatek: add support for adsp mailbox controller
  firmware: mediatek: add adsp ipc protocol interface

 .../bindings/mailbox/mtk,adsp-mbox.yaml       |  53 +++++
 drivers/firmware/Kconfig                      |   1 +
 drivers/firmware/Makefile                     |   1 +
 drivers/firmware/mediatek/Kconfig             |  10 +
 drivers/firmware/mediatek/Makefile            |   2 +
 drivers/firmware/mediatek/mtk-adsp-ipc.c      | 130 ++++++++++++
 drivers/mailbox/Kconfig                       |   8 +
 drivers/mailbox/Makefile                      |   2 +
 drivers/mailbox/mtk-adsp-mailbox.c            | 187 ++++++++++++++++++
 .../linux/firmware/mediatek/mtk-adsp-ipc.h    |  72 +++++++
 10 files changed, 466 insertions(+)
 create mode 100644 Documentation/devicetree/bindings/mailbox/mtk,adsp-mbox.yaml
 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 drivers/mailbox/mtk-adsp-mailbox.c
 create mode 100644 include/linux/firmware/mediatek/mtk-adsp-ipc.h