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 (5):
camera: Introduce camera subsystem and builtin driver
camera: v4l2: Introduce v4l2 camera driver
usb: Introduce video&mescellaneous
usb: allow max 8192 bytes for desc
usb-video: Introduce USB video class
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 ++++++++++++++++++
hw/usb/Kconfig | 5 +
hw/usb/desc.c | 15 +-
hw/usb/desc.h | 1 +
hw/usb/dev-video.c | 1395 +++++++++++++++++++++++++++++++++++++++
hw/usb/meson.build | 1 +
hw/usb/trace-events | 11 +
include/camera/camera.h | 238 +++++++
include/hw/usb.h | 2 +
include/hw/usb/video.h | 303 +++++++++
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 +
23 files changed, 4050 insertions(+), 8 deletions(-)
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 hw/usb/dev-video.c
create mode 100644 include/camera/camera.h
create mode 100644 include/hw/usb/video.h
create mode 100644 qapi/camera.json
--
2.25.1
