Hi, Peter & Daniel
Sorry about that I'm not clear enough to add a new subsystem into QEMU,
could you give me more hint?
On 1/6/22 4:53 PM, zhenwei pi wrote:
> v1 -> v2:
> [missing CC qemu-devel@nongnu.org, resend]
> Separate v1 patch set into 2 parts:
> Introduce camera subsystem (this one).
> USB desc fix and UVC.
> Add maintainer infomation.
>
> v1:
> 1, The full picture of this patch set:
> +---------+ +------------+ +---------------+
> |UVC(done)| |virtio(TODO)| |other HW device|
> +---------+ +------------+ +---------------+
> | | |
> | +------------+ |
> +------------+camera(done)+-------------+
> +----+-------+
> |
> +-----------------+---------------------+
> | | |
> +------+------+ +----+-----+ +------+------+
> |builtin(done)| |v4l2(done)| |other drivers|
> +-------------+ +----------+ +-------------+
>
> With this patch set, We can run a desktop VM (Ex Ubuntu-2004), several camera
> APPs(cheese, kamoso, guvcview and qcam) work fine.
>
> Some works still in working:
> 1, hot-plug
> 2, compat with live migration
> 3, several actions defined in UVC SPEC
>
> Zhenwei Pi (2):
> camera: Introduce camera subsystem and builtin driver
> camera: v4l2: Introduce v4l2 camera driver
>
> MAINTAINERS | 7 +
> camera/builtin.c | 717 ++++++++++++++++++++++++++++++++++++++++
> camera/camera-int.h | 19 ++
> camera/camera.c | 522 +++++++++++++++++++++++++++++
> camera/meson.build | 20 ++
> camera/trace-events | 28 ++
> camera/trace.h | 1 +
> camera/v4l2.c | 637 +++++++++++++++++++++++++++++++++++
> include/camera/camera.h | 238 +++++++++++++
> meson.build | 20 +-
> meson_options.txt | 3 +
> qapi/camera.json | 101 ++++++
> qapi/meson.build | 1 +
> qapi/qapi-schema.json | 1 +
> qemu-options.hx | 13 +
> softmmu/vl.c | 4 +
> 16 files changed, 2331 insertions(+), 1 deletion(-)
> create mode 100644 camera/builtin.c
> create mode 100644 camera/camera-int.h
> create mode 100644 camera/camera.c
> create mode 100644 camera/meson.build
> create mode 100644 camera/trace-events
> create mode 100644 camera/trace.h
> create mode 100644 camera/v4l2.c
> create mode 100644 include/camera/camera.h
> create mode 100644 qapi/camera.json
>
--
zhenwei pi