Hi All,
There is an existing video driver for Qualcomm SOCs [1]. There is a need
for a separate driver for the new generations of video hardware in
Qualcomm SOCs. It is needed, primarily for below reasons:-
1. HFI 2.0 interface (driver<->firmware interface) is a new non-backward
compatible interface.
a. HFI 2.0 is designed to suit future video hardware generations.
b. Older interface (HFI 1.0) is supported till MSM8350 (SD 835). Any
new video hardware would be supported *only* with the
new HFI 2.0.
2. Video firmwares, which are based on HFI 1.0, were designed to follow
khronos openmax IL 1.1.2 specification. Video firmware
interface HFI 2.0 is designed based on v4l2 stateful codec
specification.
This request is to share your suggestions or any queries to discuss on
this proposal.
Incase any aspect to consider, before we start implementing the new
driver.
[1]
https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/tree/drivers/media/platform/qcom/venus
Regards,
Vikash
