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[0/3] media: qcom: camss: Add sa8775p camss TPG support

Message ID 20250211-sa8775p_tpg-v1-0-3f76c5f8431f@quicinc.com
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Series media: qcom: camss: Add sa8775p camss TPG support | expand

Message

Wenmeng Liu Feb. 11, 2025, 10:07 a.m. UTC 
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
- v4l2-ctl -d /dev/v4l-subdev0 -c test_pattern=0
- 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-subdev0 -c test_pattern=9
- yavta -B capture-mplane -n 5 -f SRGGB10P -s 4608x2592 /dev/video0
  --capture=7

Used following tools for the sanity check of these changes.

- make -j32 W=1
- ./scripts/checkpatch.pl

---
This patch series depends on patch series:
https://lore.kernel.org/linux-media/20250210162843.609337-1-quic_vikramsa@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

 drivers/media/platform/qcom/camss/Makefile         |   2 +
 drivers/media/platform/qcom/camss/camss-csid-690.c |  15 +
 drivers/media/platform/qcom/camss/camss-csid.c     |  44 +-
 drivers/media/platform/qcom/camss/camss-tpg-gen1.c | 245 +++++++
 drivers/media/platform/qcom/camss/camss-tpg.c      | 737 +++++++++++++++++++++
 drivers/media/platform/qcom/camss/camss-tpg.h      | 130 ++++
 drivers/media/platform/qcom/camss/camss.c          | 113 ++++
 drivers/media/platform/qcom/camss/camss.h          |   5 +
 8 files changed, 1282 insertions(+), 9 deletions(-)
---
base-commit: c1696380f08cf7cc68560a11f2e8c51cb24aa7ba
change-id: 20250211-sa8775p_tpg-7de227a82eb4

Best regards,