On 8/22/2025 8:09 PM, Wenmeng Liu wrote:
> SA8775P is a Qualcomm SoC. This series adds driver changes to
> bring up the TPG interfaces in SA8775P.
>
> We have tested this on qcs9100-ride board with 'Test Pattern Generator'.
> Unlike CSID TPG, this TPG can be seen as a combination of CSIPHY and sensor.
>
> Tested with following commands:
> - media-ctl --reset
> - media-ctl -V '"msm_tpg0":0[fmt:SRGGB10/4608x2592 field:none]'
> - media-ctl -V '"msm_csid0":0[fmt:SRGGB10/4608x2592 field:none]'
> - media-ctl -V '"msm_vfe0_rdi0":0[fmt:SRGGB10/4608x2592 field:none]'
> - media-ctl -l '"msm_tpg0":1->"msm_csid0":0[1]'
> - media-ctl -l '"msm_csid0":1->"msm_vfe0_rdi0":0[1]'
> - v4l2-ctl -d /dev/v4l-subdev4 -c test_pattern=9
> - yavta -B capture-mplane -n 5 -f SRGGB10P -s 4608x2592 /dev/video0
> --capture=7
>
> Dependencies:
> https://lore.kernel.org/all/20250814101615.1102795-10-quic_vikramsa@quicinc.com/
> https://lore.kernel.org/all/20250813053724.232494-1-quic_vikramsa@quicinc.com/
>
> changes in v3:
> - Change the payload mode string
> - Change the method for setting the TPG clock rate
> - Remove the TPG IRQ
> - Format correction
> - Remove unused variables
> - Merge functions and eliminate redundancy
> - Modify the register write method
> - Change TPG matching method to use grp_id
> - Encapsulate magic numbers as macros
> - Link to v2: https://lore.kernel.org/all/20250717-lemans_tpg-v2-0-a2538659349c@quicinc.com/
>
> Changes in v2:
> - rebase tpg changes based on new versions of sa8775p and qcs8300 camss patches
> - Link to v1: https://lore.kernel.org/all/20250211-sa8775p_tpg-v1-0-3f76c5f8431f@quicinc.com/
>
> ---
> Wenmeng Liu (3):
> media: qcom: camss: Add support for TPG common
> media: qcom: camss: Add link support for TPG common
> media: qcom: camss: tpg: Add TPG support for SA8775P and QCS8300
>
> drivers/media/platform/qcom/camss/Makefile | 2 +
> .../media/platform/qcom/camss/camss-csid-gen3.c | 17 +
> drivers/media/platform/qcom/camss/camss-csid.c | 43 +-
> drivers/media/platform/qcom/camss/camss-csiphy.c | 1 +
> drivers/media/platform/qcom/camss/camss-csiphy.h | 2 +
> drivers/media/platform/qcom/camss/camss-tpg-gen1.c | 219 +++++++
> drivers/media/platform/qcom/camss/camss-tpg.c | 696 +++++++++++++++++++++
> drivers/media/platform/qcom/camss/camss-tpg.h | 125 ++++
> drivers/media/platform/qcom/camss/camss.c | 130 ++++
> drivers/media/platform/qcom/camss/camss.h | 5 +
> 10 files changed, 1226 insertions(+), 14 deletions(-)
> ---
> base-commit: 6afac82056e38e02266cd30f458b25a1f9017508
> change-id: 20250822-camss_tpg-718db678d984
>
> Best regards,
Gently reminder to Bryan.
Thanks,
Wenmeng