linux-kernel - RE: [PATCH v2 0/2] misc: mei: Add support for IVSC device

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Message-ID: <DM6PR11MB43169EAC844BB2045F43A7E58D84A@DM6PR11MB4316.namprd11.prod.outlook.com>
Date:   Wed, 6 Dec 2023 07:14:12 +0000
From:   "Wu, Wentong" <wentong.wu@...el.com>
To:     "Yao, Hao" <hao.yao@...el.com>
CC:     "gregkh@...uxfoundation.org" <gregkh@...uxfoundation.org>,
        "Winkler, Tomas" <tomas.winkler@...el.com>,
        "hdegoede@...hat.com" <hdegoede@...hat.com>,
        "krzk@...nel.org" <krzk@...nel.org>,
        "andriy.shevchenko@...ux.intel.com" 
        <andriy.shevchenko@...ux.intel.com>,
        "sakari.ailus@...ux.intel.com" <sakari.ailus@...ux.intel.com>,
        "Usyskin, Alexander" <alexander.usyskin@...el.com>,
        "Wang, Zhifeng" <zhifeng.wang@...el.com>,
        "linux-kernel@...r.kernel.org" <linux-kernel@...r.kernel.org>
Subject: RE: [PATCH v2 0/2] misc: mei: Add support for IVSC device

> From: Yao, Hao <hao.yao@...el.com>
> 
> Wentong,
> 
> On mainline v6.6, I cherry-picked IVSC/LCJA related patches and these v2
> patches, added Intel IPU6 driver on Github, then made some changes on
> IPU6 HAL to auto link IVSC device. I tested the build on a Dell Latitude
> 7440 which is using HI556 camera sensor and it previews normally.
> 
> If it's properly, you can add my "Tested-by:" tag.
> 
> Tested-by: Hao Yao <hao.yao@...el.com>

Thanks, really appreciate your effort

BR,
Wentong
> 
> On 2023/12/4 08:55, Wentong Wu wrote:
> > The Intel visual sensing controller (IVSC) device is designed to
> > control the camera sharing between host IPU for media usage and IVSC
> > for context sensing (face detection).
> >
> > IVSC is exposed to host as a SPI device and the protocol used for
> > communicating with host is MEI. This driver implements the transport
> > protocol and MEI hardware interfaces for IVSC device.
> >
> > The firmware downloading for IVSC device is implemented as well.
> >
> > ---
> > v2:
> >    - change to `depends on INTEL_MEI_VSC_HW` for INTEL_MEI_VSC Kconfig
> >    - remove MODULE_ALIAS and add MODULE_DEVICE_TABLE in platform-
> vsc.c
> >
> > Wentong Wu (2):
> >    mei: Add transport driver for IVSC device
> >    mei: Add MEI hardware support for IVSC device
> >
> >   drivers/misc/mei/Kconfig         |  24 ++
> >   drivers/misc/mei/Makefile        |   7 +
> >   drivers/misc/mei/platform-vsc.c  | 450 +++++++++++++++++++++
> >   drivers/misc/mei/vsc-fw-loader.c | 822
> +++++++++++++++++++++++++++++++++++++++
> >   drivers/misc/mei/vsc-tp.c        | 555 ++++++++++++++++++++++++++
> >   drivers/misc/mei/vsc-tp.h        |  50 +++
> >   6 files changed, 1908 insertions(+)
> >   create mode 100644 drivers/misc/mei/platform-vsc.c
> >   create mode 100644 drivers/misc/mei/vsc-fw-loader.c
> >   create mode 100644 drivers/misc/mei/vsc-tp.c
> >   create mode 100644 drivers/misc/mei/vsc-tp.h