On 11/03/2021 19:09, Robert Foss wrote: > This series implements support for the camera subsystem found in > the SDM845 SOCs and the Titan 170 ISP. The support is partial > in that it implements CSIPHY, CSID, and partial VFE support. > > The Titan generation of the ISP diverges a fair amount from the > design of the previous architecture generation, CAMSS. As a result > some pretty invasive refactoring is done in this series. It also > means that at this time we're unable to implement support for all > of the IP blocks contained. This is due to a combination of legal > considerations with respect to the IP and its owner Qualcomm and > time & man hour constrains on the Linaro side. > > The CSIPHY (CSI Physical Layer) & CSID (CSI Decoder) support is > complete, but the VFE (Video Front End, which is referred to as IFE > (Image Front End) in the Titan generation of ISPs) only has support > for the RDI (Raw Dump Interface) which allows the raw output of > the CSID to be written to memory. > > The 2nd interface implemented in the VFE silicon is the PIX > interface, and camss does not support it for this generation of ISPs. > The reason for this is that the PIX interface is used for sending > image data to the BPS (Bayer Processing Section) & IPE (Image > Processing Engine), but both of these units are beyond the scope > of enabling basic ISP functionality for the SDM845. > > Since the Titan architecture generation diverges quite a bit from > the CAMSS generation, a lot of pretty major refactoring is carried > out in this series. Both the CSID & VFE core paths are made more > general and hardware version specific parts are broken out. > The CSIPHY didn't require quite as radical changes and therefore > keeps its current form. > > Tested on: > - Qcom RB3 / db845c + camera mezzanine, which is SDM845 based > - db410c + D3 Camera mezzanine, which is APQ8016 based > > Branch: > - https://git.linaro.org/people/robert.foss/linux.git/log/?h=camss_sdm845_v1 > - https://git.linaro.org/people/robert.foss/linux.git/log/?h=camss_sdm845_v2 > - https://git.linaro.org/people/robert.foss/linux.git/log/?h=camss_sdm845_v3 > - https://git.linaro.org/people/robert.foss/linux.git/log/?h=camss_sdm845_v4 > - https://git.linaro.org/people/robert.foss/linux.git/log/?h=camss_sdm845_v5 > - https://git.linaro.org/people/robert.foss/linux.git/log/?h=camss_sdm845_v6 > - https://git.linaro.org/people/robert.foss/linux.git/log/?h=camss_sdm845_v7 > Please check the patches in this series with 'scripts/checkpatch.pl --strict'. I got a bunch of warnings, most seemed trivial to fix. When I compiled this series I also got these sparse warnings: drivers/media/platform/qcom/camss/camss-csid.h:66:27: warning: 'csid_testgen_modes' defined but not used [-Wunused-const-variable=] drivers/media/platform/qcom/camss/camss-csid.h:66:27: warning: 'csid_testgen_modes' defined but not used [-Wunused-const-variable=] drivers/media/platform/qcom/camss/camss-csid.h:66:27: warning: 'csid_testgen_modes' defined but not used [-Wunused-const-variable=] drivers/media/platform/qcom/camss/camss-csid.h:66:27: warning: 'csid_testgen_modes' defined but not used [-Wunused-const-variable=] drivers/media/platform/qcom/camss/camss-csid.h:66:27: warning: 'csid_testgen_modes' defined but not used [-Wunused-const-variable=] drivers/media/platform/qcom/camss/camss-csid.h:66:27: warning: 'csid_testgen_modes' defined but not used [-Wunused-const-variable=] drivers/media/platform/qcom/camss/camss-csid.h:66:27: warning: 'csid_testgen_modes' defined but not used [-Wunused-const-variable=] drivers/media/platform/qcom/camss/camss-csid.h:66:27: warning: 'csid_testgen_modes' defined but not used [-Wunused-const-variable=] drivers/media/platform/qcom/camss/camss-csid.h:66:27: warning: 'csid_testgen_modes' defined but not used [-Wunused-const-variable=] SPARSE:drivers/media/platform/qcom/camss/camss-vfe-4-1.c drivers/media/platform/qcom/camss/camss-vfe-4-1.c:959:30: warning: symbol 'vfe_ops_gen1_4_1' was not declared. Should it be static? SPARSE:drivers/media/platform/qcom/camss/camss-vfe-4-1.c drivers/media/platform/qcom/camss/camss-vfe-gen1.h:69:31: error: marked inline, but without a definition SPARSE:drivers/media/platform/qcom/camss/camss-vfe-4-1.c drivers/media/platform/qcom/camss/camss-vfe-gen1.h:69:31: error: marked inline, but without a definition SPARSE:drivers/media/platform/qcom/camss/camss-vfe-4-1.c drivers/media/platform/qcom/camss/camss-vfe-gen1.h:69:31: error: marked inline, but without a definition SPARSE:drivers/media/platform/qcom/camss/camss-vfe-4-1.c drivers/media/platform/qcom/camss/camss-vfe-gen1.h:69:31: error: marked inline, but without a definition drivers/media/platform/qcom/camss/camss-csid.h:66:27: warning: 'csid_testgen_modes' defined but not used [-Wunused-const-variable=] SPARSE:drivers/media/platform/qcom/camss/camss-vfe-4-1.c drivers/media/platform/qcom/camss/camss-vfe-4-1.c:959:30: warning: symbol 'vfe_ops_gen1_4_1' was not declared. Should it be static? SPARSE:drivers/media/platform/qcom/camss/camss-vfe-4-1.c drivers/media/platform/qcom/camss/camss-vfe-gen1.h:69:31: error: marked inline, but without a definition SPARSE:drivers/media/platform/qcom/camss/camss-vfe-4-1.c drivers/media/platform/qcom/camss/camss-vfe-gen1.h:69:31: error: marked inline, but without a definition SPARSE:drivers/media/platform/qcom/camss/camss-vfe-4-1.c drivers/media/platform/qcom/camss/camss-vfe-gen1.h:69:31: error: marked inline, but without a definition SPARSE:drivers/media/platform/qcom/camss/camss-vfe-4-1.c drivers/media/platform/qcom/camss/camss-vfe-gen1.h:69:31: error: marked inline, but without a definition drivers/media/platform/qcom/camss/camss-csid.h:66:27: warning: 'csid_testgen_modes' defined but not used [-Wunused-const-variable=] SPARSE:drivers/media/platform/qcom/camss/camss-vfe-4-7.c drivers/media/platform/qcom/camss/camss-vfe-4-7.c:1151:30: warning: symbol 'vfe_ops_gen1_4_7' was not declared. Should it be static? SPARSE:drivers/media/platform/qcom/camss/camss-vfe-4-7.c drivers/media/platform/qcom/camss/camss-vfe-gen1.h:69:31: error: marked inline, but without a definition SPARSE:drivers/media/platform/qcom/camss/camss-vfe-4-7.c drivers/media/platform/qcom/camss/camss-vfe-gen1.h:69:31: error: marked inline, but without a definition SPARSE:drivers/media/platform/qcom/camss/camss-vfe-4-7.c drivers/media/platform/qcom/camss/camss-vfe-gen1.h:69:31: error: marked inline, but without a definition SPARSE:drivers/media/platform/qcom/camss/camss-vfe-4-7.c drivers/media/platform/qcom/camss/camss-vfe-gen1.h:69:31: error: marked inline, but without a definition SPARSE:drivers/media/platform/qcom/camss/camss-vfe-170.c drivers/media/platform/qcom/camss/camss-vfe-170.c:770:26: warning: symbol 'vfe_isr_ops_170' was not declared. Should it be static? drivers/media/platform/qcom/camss/camss-csid.h:66:27: warning: 'csid_testgen_modes' defined but not used [-Wunused-const-variable=] SPARSE:drivers/media/platform/qcom/camss/camss-vfe-4-8.c drivers/media/platform/qcom/camss/camss-vfe-4-8.c:1140:30: warning: symbol 'vfe_ops_gen1_4_8' was not declared. Should it be static? SPARSE:drivers/media/platform/qcom/camss/camss-vfe-4-8.c drivers/media/platform/qcom/camss/camss-vfe-gen1.h:69:31: error: marked inline, but without a definition SPARSE:drivers/media/platform/qcom/camss/camss-vfe-4-8.c drivers/media/platform/qcom/camss/camss-vfe-gen1.h:69:31: error: marked inline, but without a definition SPARSE:drivers/media/platform/qcom/camss/camss-vfe-4-8.c drivers/media/platform/qcom/camss/camss-vfe-gen1.h:69:31: error: marked inline, but without a definition SPARSE:drivers/media/platform/qcom/camss/camss-vfe-4-8.c drivers/media/platform/qcom/camss/camss-vfe-gen1.h:69:31: error: marked inline, but without a definition drivers/media/platform/qcom/camss/camss-csid.h:66:27: warning: 'csid_testgen_modes' defined but not used [-Wunused-const-variable=] And these smatch warnings (a lot of overlap with sparse): drivers/media/platform/qcom/camss/camss-csid.h:66:27: warning: 'csid_testgen_modes' defined but not used [-Wunused-const-variable=] drivers/media/platform/qcom/camss/camss-csid.h:66:27: warning: 'csid_testgen_modes' defined but not used [-Wunused-const-variable=] drivers/media/platform/qcom/camss/camss-csid.h:66:27: warning: 'csid_testgen_modes' defined but not used [-Wunused-const-variable=] drivers/media/platform/qcom/camss/camss-csid.h:66:27: warning: 'csid_testgen_modes' defined but not used [-Wunused-const-variable=] drivers/media/platform/qcom/camss/camss-csid.h:66:27: warning: 'csid_testgen_modes' defined but not used [-Wunused-const-variable=] drivers/media/platform/qcom/camss/camss-csid.h:66:27: warning: 'csid_testgen_modes' defined but not used [-Wunused-const-variable=] drivers/media/platform/qcom/camss/camss-csid.h:66:27: warning: 'csid_testgen_modes' defined but not used [-Wunused-const-variable=] drivers/media/platform/qcom/camss/camss-csid.h:66:27: warning: 'csid_testgen_modes' defined but not used [-Wunused-const-variable=] drivers/media/platform/qcom/camss/camss-csid.h:66:27: warning: 'csid_testgen_modes' defined but not used [-Wunused-const-variable=] drivers/media/platform/qcom/camss/camss-csid.h:66:27: warning: 'csid_testgen_modes' defined but not used [-Wunused-const-variable=] drivers/media/platform/qcom/camss/camss-csid.h:66:27: warning: 'csid_testgen_modes' defined but not used [-Wunused-const-variable=] drivers/media/platform/qcom/camss/camss-csid.h:66:27: warning: 'csid_testgen_modes' defined but not used [-Wunused-const-variable=] drivers/media/platform/qcom/camss/camss-vfe-170.c:422 vfe_halt() warn: ignoring unreachable code. drivers/media/platform/qcom/camss/camss-vfe-gen1.c:26 vfe_gen1_halt() warn: ignoring unreachable code. Regards, Hans > > Robert Foss (22): > media: camss: Fix vfe_isr_comp_done() documentation > media: camss: Fix vfe_isr comment typo > media: camss: Replace trace_printk() with dev_dbg() > media: camss: Add CAMSS_845 camss version > media: camss: Make ISPIF subdevice optional > media: camss: Refactor VFE HW version support > media: camss: Add support for VFE hardware version Titan 170 > media: camss: Add missing format identifiers > media: camss: Refactor CSID HW version support > media: camss: Add support for CSID hardware version Titan 170 > media: camss: Add support for CSIPHY hardware version Titan 170 > media: camss: Refactor VFE power domain toggling > media: camss: Enable SDM845 > dt-bindings: media: camss: Add qcom,msm8916-camss binding > dt-bindings: media: camss: Add qcom,msm8996-camss binding > dt-bindings: media: camss: Add qcom,sdm660-camss binding > dt-bindings: media: camss: Add qcom,sdm845-camss binding > MAINTAINERS: Change CAMSS documentation to use dtschema bindings > media: dt-bindings: media: Remove qcom,camss documentation > arm64: dts: sdm845: Add CAMSS ISP node > arm64: dts: sdm845-db845c: Configure regulators for camss node > arm64: dts: sdm845-db845c: Enable ov8856 sensor and connect to ISP > > .../devicetree/bindings/media/qcom,camss.txt | 236 ---- > .../bindings/media/qcom,msm8916-camss.yaml | 256 ++++ > .../bindings/media/qcom,msm8996-camss.yaml | 387 ++++++ > .../bindings/media/qcom,sdm660-camss.yaml | 398 ++++++ > .../bindings/media/qcom,sdm845-camss.yaml | 371 +++++ > MAINTAINERS | 2 +- > arch/arm64/boot/dts/qcom/sdm845-db845c.dts | 23 +- > arch/arm64/boot/dts/qcom/sdm845.dtsi | 135 ++ > drivers/media/platform/qcom/camss/Makefile | 6 + > .../platform/qcom/camss/camss-csid-170.c | 601 +++++++++ > .../platform/qcom/camss/camss-csid-4-1.c | 329 +++++ > .../platform/qcom/camss/camss-csid-4-7.c | 405 ++++++ > .../platform/qcom/camss/camss-csid-gen1.h | 27 + > .../platform/qcom/camss/camss-csid-gen2.h | 39 + > .../media/platform/qcom/camss/camss-csid.c | 621 +-------- > .../media/platform/qcom/camss/camss-csid.h | 164 ++- > .../qcom/camss/camss-csiphy-3ph-1-0.c | 179 ++- > .../media/platform/qcom/camss/camss-csiphy.c | 66 +- > .../media/platform/qcom/camss/camss-ispif.c | 119 +- > .../media/platform/qcom/camss/camss-ispif.h | 3 +- > .../media/platform/qcom/camss/camss-vfe-170.c | 806 +++++++++++ > .../media/platform/qcom/camss/camss-vfe-4-1.c | 144 +- > .../media/platform/qcom/camss/camss-vfe-4-7.c | 277 ++-- > .../media/platform/qcom/camss/camss-vfe-4-8.c | 1200 +++++++++++++++++ > .../platform/qcom/camss/camss-vfe-gen1.c | 763 +++++++++++ > .../platform/qcom/camss/camss-vfe-gen1.h | 110 ++ > drivers/media/platform/qcom/camss/camss-vfe.c | 847 +----------- > drivers/media/platform/qcom/camss/camss-vfe.h | 129 +- > .../media/platform/qcom/camss/camss-video.c | 52 + > drivers/media/platform/qcom/camss/camss.c | 407 +++++- > drivers/media/platform/qcom/camss/camss.h | 15 +- > 31 files changed, 7069 insertions(+), 2048 deletions(-) > delete mode 100644 Documentation/devicetree/bindings/media/qcom,camss.txt > create mode 100644 Documentation/devicetree/bindings/media/qcom,msm8916-camss.yaml > create mode 100644 Documentation/devicetree/bindings/media/qcom,msm8996-camss.yaml > create mode 100644 Documentation/devicetree/bindings/media/qcom,sdm660-camss.yaml > create mode 100644 Documentation/devicetree/bindings/media/qcom,sdm845-camss.yaml > create mode 100644 drivers/media/platform/qcom/camss/camss-csid-170.c > create mode 100644 drivers/media/platform/qcom/camss/camss-csid-4-1.c > create mode 100644 drivers/media/platform/qcom/camss/camss-csid-4-7.c > create mode 100644 drivers/media/platform/qcom/camss/camss-csid-gen1.h > create mode 100644 drivers/media/platform/qcom/camss/camss-csid-gen2.h > create mode 100644 drivers/media/platform/qcom/camss/camss-vfe-170.c > create mode 100644 drivers/media/platform/qcom/camss/camss-vfe-4-8.c > create mode 100644 drivers/media/platform/qcom/camss/camss-vfe-gen1.c > create mode 100644 drivers/media/platform/qcom/camss/camss-vfe-gen1.h >
