linux-kernel - [RESEND, PATCH 0/5] Add CMDQ API for upcoming ISP feature

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Message-ID: <20240301144403.2977-1-jason-jh.lin@mediatek.com>
Date: Fri, 1 Mar 2024 22:43:58 +0800
From: Jason-JH.Lin <jason-jh.lin@...iatek.com>
To: Jassi Brar <jassisinghbrar@...il.com>, Chun-Kuang Hu
	<chunkuang.hu@...nel.org>, Matthias Brugger <matthias.bgg@...il.com>
CC: AngeloGioacchino Del Regno <angelogioacchino.delregno@...labora.com>,
	Jason-ch Chen <jason-ch.chen@...iatek.com>, "Jason-JH . Lin"
	<jason-jh.lin@...iatek.com>, Singo Chang <singo.chang@...iatek.com>, "Nancy
 Lin" <nancy.lin@...iatek.com>, Shawn Sung <shawn.sung@...iatek.com>,
	<linux-kernel@...r.kernel.org>, <linux-arm-kernel@...ts.infradead.org>,
	<linux-mediatek@...ts.infradead.org>,
	<Project_Global_Chrome_Upstream_Group@...iatek.com>, Jason-jh Lin
	<jason-jh.lin@...iatek.corp-partner.google.com>
Subject: [RESEND, PATCH 0/5] Add CMDQ API for upcoming ISP feature

From: Jason-jh Lin <jason-jh.lin@...iatek.corp-partner.google.com>

In order to support the upcoming ISP functions, some CMDQ APIs
need to be prepared:
- cmdq_pkt_mem_move(): for memory or register vaule copy
- cmdq_pkt_poll_addr(): extending cmdq_pkt_poll() to support polling
                        address of register 
- cmdq_pkt_acquire_event(): to support MUTEX_LOCK protection between
                            GCE threads
- cmdq_get_event()/cmdq_set_event(): to support ISP driver runtime control
                                     some GCE events.


Change in RESEND v1:
1. Remove Change-Id in commit message.

Jason-JH.Lin (5):
  soc: mediatek: mtk-cmdq: Add specific purpose register definitions for
    GCE
  soc: mediatek: mtk-cmdq: Add cmdq_pkt_mem_move() function
  soc: mediatek: mtk-cmdq: Add cmdq_pkt_poll_addr() function
  soc: mediatek: mtk-cmdq: Add cmdq_pkt_acquire_event() function
  mailbox: mtk-cmdq: Add support runtime get and set GCE event

 drivers/mailbox/mtk-cmdq-mailbox.c       | 37 +++++++++++
 drivers/soc/mediatek/mtk-cmdq-helper.c   | 79 ++++++++++++++++++++++++
 include/linux/mailbox/mtk-cmdq-mailbox.h |  2 +
 include/linux/soc/mediatek/mtk-cmdq.h    | 44 +++++++++++++
 4 files changed, 162 insertions(+)

-- 
2.18.0