[PATCH v2 0/2] Introduce camera subsystem

[zhenwei pi]

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

-- 
2.25.1