| Message ID | 20210205104414.299732-1-robert.foss@linaro.org (mailing list archive) |
|---|---|
| Headers | show |
| Series | Add support for the SDM845 Camera Subsystem | expand |
Hi Robert, On 05.02.2021 13:43, 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. The problem is that for SDM845 the topology printed by media-ctl still has the PIX devices. That is even though the PIX interface is not supported for SDM845 in this driver, the msm_vfeN_pix subdevices and the corresponding msm_vfeN_video3 devices are still created. Your patchset is currently missing changes to the hardcoded: #define MSM_VFE_LINE_NUM 4 struct vfe_device { ... struct vfe_line line[MSM_VFE_LINE_NUM]; ... }; in drivers/media/platform/qcom/camss/camss-vfe.h. Thanks, Andrey > 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 > > > Due to the dt-bindings supporting sdm660-camss, this series depends > the sdm660 clock driver being upstreamed. I've linked this series below. > > SDM630/660 Multimedia and GPU clock controllers > https://lkml.org/lkml/2020/9/26/166 > > > 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: Remove per 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 | 370 ++++++ > 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 | 602 +++++++++ > .../platform/qcom/camss/camss-csid-4-1.c | 338 +++++ > .../platform/qcom/camss/camss-csid-4-7.c | 406 ++++++ > .../media/platform/qcom/camss/camss-csid.c | 620 +-------- > .../media/platform/qcom/camss/camss-csid.h | 178 ++- > .../qcom/camss/camss-csiphy-3ph-1-0.c | 182 ++- > .../media/platform/qcom/camss/camss-csiphy.c | 66 +- > .../media/platform/qcom/camss/camss-ispif.c | 117 +- > .../media/platform/qcom/camss/camss-ispif.h | 3 +- > .../media/platform/qcom/camss/camss-vfe-170.c | 804 ++++++++++++ > .../media/platform/qcom/camss/camss-vfe-4-1.c | 123 +- > .../media/platform/qcom/camss/camss-vfe-4-7.c | 244 ++-- > .../media/platform/qcom/camss/camss-vfe-4-8.c | 1164 +++++++++++++++++ > .../platform/qcom/camss/camss-vfe-gen1.c | 763 +++++++++++ > .../platform/qcom/camss/camss-vfe-gen1.h | 110 ++ > drivers/media/platform/qcom/camss/camss-vfe.c | 840 +----------- > drivers/media/platform/qcom/camss/camss-vfe.h | 118 +- > .../media/platform/qcom/camss/camss-video.c | 100 ++ > drivers/media/platform/qcom/camss/camss.c | 419 ++++-- > drivers/media/platform/qcom/camss/camss.h | 17 +- > 29 files changed, 6965 insertions(+), 2062 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-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 >
On Wed, 10 Feb 2021 at 21:14, Andrey Konovalov <andrey.konovalov@linaro.org> wrote: > > Hi Robert, > > On 05.02.2021 13:43, 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. > > The problem is that for SDM845 the topology printed by media-ctl > still has the PIX devices. That is even though the PIX interface is not > supported for SDM845 in this driver, the msm_vfeN_pix subdevices > and the corresponding msm_vfeN_video3 devices are still created. > Your patchset is currently missing changes to the hardcoded: > > #define MSM_VFE_LINE_NUM 4 > > struct vfe_device { > ... > struct vfe_line line[MSM_VFE_LINE_NUM]; > ... > }; > > in drivers/media/platform/qcom/camss/camss-vfe.h. I had a look through the driver and made the line number variable for the different versions of hardware. This required touching most of the vfe related compilation units, but was a pretty mechanical change. Thanks for spotting this issue. > > > Thanks, > Andrey > > > 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 > > > > > > Due to the dt-bindings supporting sdm660-camss, this series depends > > the sdm660 clock driver being upstreamed. I've linked this series below. > > > > SDM630/660 Multimedia and GPU clock controllers > > https://lkml.org/lkml/2020/9/26/166 > > > > > > 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: Remove per 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 | 370 ++++++ > > 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 | 602 +++++++++ > > .../platform/qcom/camss/camss-csid-4-1.c | 338 +++++ > > .../platform/qcom/camss/camss-csid-4-7.c | 406 ++++++ > > .../media/platform/qcom/camss/camss-csid.c | 620 +-------- > > .../media/platform/qcom/camss/camss-csid.h | 178 ++- > > .../qcom/camss/camss-csiphy-3ph-1-0.c | 182 ++- > > .../media/platform/qcom/camss/camss-csiphy.c | 66 +- > > .../media/platform/qcom/camss/camss-ispif.c | 117 +- > > .../media/platform/qcom/camss/camss-ispif.h | 3 +- > > .../media/platform/qcom/camss/camss-vfe-170.c | 804 ++++++++++++ > > .../media/platform/qcom/camss/camss-vfe-4-1.c | 123 +- > > .../media/platform/qcom/camss/camss-vfe-4-7.c | 244 ++-- > > .../media/platform/qcom/camss/camss-vfe-4-8.c | 1164 +++++++++++++++++ > > .../platform/qcom/camss/camss-vfe-gen1.c | 763 +++++++++++ > > .../platform/qcom/camss/camss-vfe-gen1.h | 110 ++ > > drivers/media/platform/qcom/camss/camss-vfe.c | 840 +----------- > > drivers/media/platform/qcom/camss/camss-vfe.h | 118 +- > > .../media/platform/qcom/camss/camss-video.c | 100 ++ > > drivers/media/platform/qcom/camss/camss.c | 419 ++++-- > > drivers/media/platform/qcom/camss/camss.h | 17 +- > > 29 files changed, 6965 insertions(+), 2062 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-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 > >