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There are simple cleanups but also two noteworthy changes: the addition of the VALIDATE_LATE media link flag and the addition of the new struct v4l2_subdev_client_info struct to the get_fmt, set_fmt, get_selection and set_selection pad operation arguments. The VALIDATE_LATE allows using the link_validate callback as the way to validate the links connected to the sink pads of video nodes on pipelines with multiple capture video nodes. Without this flag, the entire pipeline will be validated at the time of the first streamon, with the V4L2 pixel (or other) format set on the other capture video nodes at the time, requiring all formats to be set before starting streaming anywhere. But this does generally not match with what the userspace would do, hence the new flag. The patches in the upcoming metadata series version adds the support for the flag to the IPU6 driver. Secondly, the new struct v4l2_subdev_client_info enables passing around file handler specific client capability information, which is used to differentiate UAPI between existing users and those that are aware of the new common raw sensor model. This is effectively required if we want to add support for the new model to existing raw sensor drivers: the new model is in a direct conflict with how things worked before the model. There still needs to be a single driver internal state, the different UAPIs simply offer a different view to that state. In-kernel users that do not deal with capabilities just use NULL when calling these ops. This also means that whatever client capabilities are being used, there may not be a change to inter-driver interfaces such as get_fmt() when dealing with external pads. I'm leaving the last Coccinelle-generated patch out this time as it's more than 200 kiB. The patch can be found here . Patches 11--14 will be squashed together before merging. The Coccinelle spatch used to generate the 14th patch is below, as is a Perl script to generate another Coccinelle patch doing the rest of the job: caps.cocci ------------------8<---------------------- @ fmt @ identifier a1, a2, a3; identifier fn; @@ fn(struct v4l2_subdev *a1, + const struct v4l2_subdev_client_info *ci, struct v4l2_subdev_state *a2, struct v4l2_subdev_format *a3) {...} @ sel @ identifier a1, a2, a3; identifier fn2; @@ fn2(struct v4l2_subdev *a1, + const struct v4l2_subdev_client_info *ci, struct v4l2_subdev_state *a2, struct v4l2_subdev_selection *a3) {...} @ fmt_call @ expression a1, a2, a3; identifier fmt.fn; @@ fn(a1 + , NULL , a2, a3); @ fmt_call2 @ expression a1, a2, a3; identifier fmt.fn; @@ return fn(a1 + , NULL , a2, a3); @ fmt_call3 @ expression ret, a1, a2, a3; identifier fmt.fn; @@ ret = fn(a1 + , NULL , a2, a3); @ fmt_call4 @ expression a1, a2, a3; identifier sel.fn2; @@ fn2(a1 + , NULL , a2, a3); @ fmt_call5 @ expression a1, a2, a3; identifier sel.fn2; @@ return fn2(a1 + , NULL , a2, a3); @ fmt_call6 @ expression ret, a1, a2, a3; identifier sel.fn2; @@ ret = fn2(a1 + , NULL , a2, a3); ------------------8<---------------------- mk-caps2.pl ------------------8<---------------------- #!/usr/bin/perl -w my @prefix = ( "(void)", "", "ret = ", "return " ); my $state_args = [ [ "sd", "state", "fmt" ] ]; my $pad_active_args = [ [ "sd", "pad", "get_fmt", "fmt" ], [ "sd", "pad", "set_fmt", "fmt" ], [ "sd", "pad", "get_selection", "fmt" ], [ "sd", "pad", "set_selection", "fmt" ], ]; my $pad_args = [ [ "sd", "pad", "get_fmt", "state", "fmt" ], [ "sd", "pad", "set_fmt", "state", "fmt" ], [ "sd", "pad", "get_selection", "state", "fmt" ], [ "sd", "pad", "set_selection", "state", "fmt" ], ]; my $group_args = [ [ "dev", "group", "pad", "get_fmt", "state", "fmt" ], [ "dev", "group", "pad", "set_fmt", "state", "fmt" ], [ "dev", "group", "pad", "get_selection", "state", "fmt" ], [ "dev", "group", "pad", "set_selection", "state", "fmt" ], ]; my %funcs = ( # "function_name" => [ arg ref, new arg position from the end ], "v4l2_subdev_call" => { args => $pad_args, pos => 1 }, "v4l2_device_call_all" => { args => $group_args, pos => 1 }, "v4l2_subdev_get_fmt" => { args => $state_args, pos => 1 }, "sensor_call" => { args => $pad_args, pos => 1 }, "saa_call_all" => { args => $pad_args, pos => 1 }, "call_all" => { args => $pad_args, pos => 1 }, "v4l2_subdev_call_state_active" => { args => $pad_active_args, newname => "v4l2_subdev_call_ci_state_active" }, ); my $rule; foreach my $p (@prefix) { foreach my $f (keys %funcs) { my $aref = $funcs{$f}; foreach my $i (@{$aref->{args}}) { my $newname = $aref->{newname}; print "@ rule" . $rule++ . " @\n"; print "symbol $f;\n"; print map { ((/_/ || /^pad$/) ? "symbol" : "expression") . " $_;\n"; } @$i; my @pre = @$i; my @post = splice @pre, $#pre - ($aref->{pos} // 0); print "identifier ret;\n" if $p =~ "ret ="; print "@@\n"; if (! defined $newname) { print " $p$f(" . join(", ", @pre) . "\n"; print "+ , NULL\n"; print " , " . join(", ", @post) . ");\n"; } else { print " $p\n"; print "- $f(\n"; print "+ $newname(\n"; print " " . join(", ", (@pre, @post)) . ");\n"; } } } } ------------------8<---------------------- since v2: - Address compilation issues. I had only tested on arm64 previously. - Introduce v4l2_subdev_call_ci_state_active(), to call pad ops with client info argument with active state. Getting around needing a new function doesn't seem easy (probably requires one more layer of indirection I'd like to do without). Sakari Ailus (14): media: imx219: Rename "PIXEL_ARRAY" as "CROP" media: v4l2-subdev: Allow accessing routes with STREAMS client capability media: Documentation: Improve LINK_FREQ documentation media: Documentation: Improve pixel rate calculation documentation media: v4l2-subdev: Refactor returning routes media: mc: Separate single link validation into a new function media: mc: Add MEDIA_LNK_FL_VALIDATE_LATE media: mc: Don't care about unsettable flags in MEDIA_IOC_LINK_SETUP media: Document enable_streams and disable_streams behaviour media: v4l2-subdev: Move subdev client capabilities into a new struct media: v4l2-subdev: Add struct v4l2_subdev_client_info pointer to pad ops media: v4l2-subdev: Add v4l2_subdev_call_ci_active_state media: v4l2-subdev: Perform client info changes to i2c drivers media: v4l2-subdev: Add struct v4l2_subdev_client_info argument to pad ops Documentation/driver-api/media/tx-rx.rst | 9 +- .../media/mediactl/media-ioc-setup-link.rst | 4 + .../media/mediactl/media-types.rst | 5 + .../media/v4l/ext-ctrls-image-process.rst | 4 +- drivers/media/i2c/adv7170.c | 2 + drivers/media/i2c/adv7175.c | 2 + drivers/media/i2c/adv7180.c | 4 +- drivers/media/i2c/adv7183.c | 4 +- drivers/media/i2c/adv748x/adv748x-afe.c | 4 +- drivers/media/i2c/adv748x/adv748x-csi2.c | 3 +- drivers/media/i2c/adv748x/adv748x-hdmi.c | 4 +- drivers/media/i2c/adv7511-v4l2.c | 2 + drivers/media/i2c/adv7604.c | 3 + drivers/media/i2c/adv7842.c | 4 +- drivers/media/i2c/ak881x.c | 2 + drivers/media/i2c/alvium-csi2.c | 3 + drivers/media/i2c/ar0521.c | 2 + drivers/media/i2c/ccs/ccs-core.c | 15 +- drivers/media/i2c/cx25840/cx25840-core.c | 1 + drivers/media/i2c/ds90ub913.c | 3 +- drivers/media/i2c/ds90ub953.c | 3 +- drivers/media/i2c/ds90ub960.c | 3 +- drivers/media/i2c/et8ek8/et8ek8_driver.c | 2 + drivers/media/i2c/gc0308.c | 1 + drivers/media/i2c/gc0310.c | 1 + drivers/media/i2c/gc05a2.c | 4 +- drivers/media/i2c/gc08a3.c | 4 +- drivers/media/i2c/gc2145.c | 2 + drivers/media/i2c/hi556.c | 3 + drivers/media/i2c/hi846.c | 3 + drivers/media/i2c/hi847.c | 2 + drivers/media/i2c/imx111.c | 1 + drivers/media/i2c/imx208.c | 2 + drivers/media/i2c/imx214.c | 4 +- drivers/media/i2c/imx219.c | 32 ++-- drivers/media/i2c/imx258.c | 3 + drivers/media/i2c/imx274.c | 4 + drivers/media/i2c/imx283.c | 2 + drivers/media/i2c/imx290.c | 4 +- drivers/media/i2c/imx296.c | 7 +- drivers/media/i2c/imx319.c | 2 + drivers/media/i2c/imx334.c | 4 +- drivers/media/i2c/imx335.c | 4 +- drivers/media/i2c/imx355.c | 2 + drivers/media/i2c/imx412.c | 4 +- drivers/media/i2c/imx415.c | 4 +- drivers/media/i2c/isl7998x.c | 2 + drivers/media/i2c/lt6911uxe.c | 5 +- drivers/media/i2c/max9286.c | 3 +- drivers/media/i2c/max96714.c | 3 +- drivers/media/i2c/max96717.c | 3 +- drivers/media/i2c/ml86v7667.c | 1 + drivers/media/i2c/mt9m001.c | 6 +- drivers/media/i2c/mt9m111.c | 4 + drivers/media/i2c/mt9m114.c | 6 + drivers/media/i2c/mt9p031.c | 4 + drivers/media/i2c/mt9t112.c | 4 + drivers/media/i2c/mt9v011.c | 1 + drivers/media/i2c/mt9v032.c | 4 + drivers/media/i2c/mt9v111.c | 2 + drivers/media/i2c/og01a1b.c | 2 + drivers/media/i2c/og0ve1b.c | 3 +- drivers/media/i2c/os05b10.c | 2 + drivers/media/i2c/ov01a10.c | 3 + drivers/media/i2c/ov02a10.c | 4 +- drivers/media/i2c/ov02c10.c | 1 + drivers/media/i2c/ov02e10.c | 2 + drivers/media/i2c/ov08d10.c | 2 + drivers/media/i2c/ov08x40.c | 2 + drivers/media/i2c/ov13858.c | 2 + drivers/media/i2c/ov13b10.c | 2 + drivers/media/i2c/ov2640.c | 3 + drivers/media/i2c/ov2659.c | 2 + drivers/media/i2c/ov2680.c | 4 + drivers/media/i2c/ov2685.c | 3 + drivers/media/i2c/ov2735.c | 4 +- drivers/media/i2c/ov2740.c | 1 + drivers/media/i2c/ov4689.c | 2 + drivers/media/i2c/ov5640.c | 3 + drivers/media/i2c/ov5645.c | 4 +- drivers/media/i2c/ov5647.c | 3 + drivers/media/i2c/ov5648.c | 2 + drivers/media/i2c/ov5670.c | 3 + drivers/media/i2c/ov5675.c | 3 + drivers/media/i2c/ov5693.c | 4 + drivers/media/i2c/ov5695.c | 2 + drivers/media/i2c/ov6211.c | 3 +- drivers/media/i2c/ov64a40.c | 2 + drivers/media/i2c/ov7251.c | 5 +- drivers/media/i2c/ov7670.c | 2 + drivers/media/i2c/ov772x.c | 3 + drivers/media/i2c/ov7740.c | 2 + drivers/media/i2c/ov8856.c | 2 + drivers/media/i2c/ov8858.c | 3 +- drivers/media/i2c/ov8865.c | 3 + drivers/media/i2c/ov9282.c | 5 +- drivers/media/i2c/ov9640.c | 2 + drivers/media/i2c/ov9650.c | 2 + drivers/media/i2c/ov9734.c | 2 + drivers/media/i2c/rdacm20.c | 1 + drivers/media/i2c/rdacm21.c | 1 + drivers/media/i2c/rj54n1cb0c.c | 4 + drivers/media/i2c/s5c73m3/s5c73m3-core.c | 4 + drivers/media/i2c/s5k3m5.c | 4 +- drivers/media/i2c/s5k5baf.c | 4 + drivers/media/i2c/s5k6a3.c | 2 + drivers/media/i2c/s5kjn1.c | 4 +- drivers/media/i2c/saa6752hs.c | 2 + drivers/media/i2c/saa7115.c | 1 + drivers/media/i2c/saa717x.c | 1 + drivers/media/i2c/st-mipid02.c | 1 + drivers/media/i2c/tc358743.c | 4 +- drivers/media/i2c/tc358746.c | 3 +- drivers/media/i2c/tda1997x.c | 2 + drivers/media/i2c/thp7312.c | 1 + drivers/media/i2c/tvp514x.c | 2 + drivers/media/i2c/tvp5150.c | 3 + drivers/media/i2c/tvp7002.c | 4 +- drivers/media/i2c/tw9900.c | 2 + drivers/media/i2c/tw9910.c | 3 + drivers/media/i2c/vd55g1.c | 4 +- drivers/media/i2c/vd56g3.c | 4 +- drivers/media/i2c/vgxy61.c | 5 +- drivers/media/mc/mc-entity.c | 144 +++++++++++++----- drivers/media/pci/cobalt/cobalt-driver.c | 8 +- drivers/media/pci/cobalt/cobalt-v4l2.c | 14 +- drivers/media/pci/cx18/cx18-av-core.c | 1 + drivers/media/pci/cx18/cx18-controls.c | 2 +- drivers/media/pci/cx18/cx18-ioctl.c | 2 +- drivers/media/pci/cx23885/cx23885-video.c | 4 +- drivers/media/pci/intel/ipu3/ipu3-cio2.c | 5 +- drivers/media/pci/intel/ipu6/ipu6-isys-csi2.c | 2 + .../media/pci/intel/ipu6/ipu6-isys-subdev.c | 3 +- .../media/pci/intel/ipu6/ipu6-isys-subdev.h | 1 + drivers/media/pci/intel/ivsc/mei_csi.c | 1 + drivers/media/pci/ivtv/ivtv-controls.c | 2 +- drivers/media/pci/ivtv/ivtv-ioctl.c | 2 +- drivers/media/pci/saa7134/saa7134-empress.c | 6 +- .../platform/amlogic/c3/isp/c3-isp-capture.c | 2 +- .../platform/amlogic/c3/isp/c3-isp-core.c | 1 + .../platform/amlogic/c3/isp/c3-isp-resizer.c | 3 + .../amlogic/c3/mipi-adapter/c3-mipi-adap.c | 3 +- .../amlogic/c3/mipi-csi2/c3-mipi-csi2.c | 3 +- .../platform/arm/mali-c55/mali-c55-capture.c | 2 +- .../platform/arm/mali-c55/mali-c55-isp.c | 5 +- .../platform/arm/mali-c55/mali-c55-resizer.c | 15 +- .../platform/arm/mali-c55/mali-c55-tpg.c | 1 + drivers/media/platform/atmel/atmel-isi.c | 4 +- .../media/platform/broadcom/bcm2835-unicam.c | 3 +- drivers/media/platform/cadence/cdns-csi2rx.c | 7 +- drivers/media/platform/cadence/cdns-csi2tx.c | 7 +- drivers/media/platform/intel/pxa_camera.c | 6 +- drivers/media/platform/marvell/mcam-core.c | 4 +- .../platform/microchip/microchip-csi2dc.c | 2 + .../platform/microchip/microchip-isc-base.c | 1 + .../platform/microchip/microchip-isc-scaler.c | 3 + drivers/media/platform/nxp/imx-mipi-csis.c | 5 +- drivers/media/platform/nxp/imx7-media-csi.c | 3 +- .../platform/nxp/imx8-isi/imx8-isi-crossbar.c | 3 +- .../platform/nxp/imx8-isi/imx8-isi-pipe.c | 3 + drivers/media/platform/nxp/imx8mq-mipi-csi2.c | 3 +- .../media/platform/qcom/camss/camss-csid.c | 4 +- .../media/platform/qcom/camss/camss-csiphy.c | 4 +- .../media/platform/qcom/camss/camss-ispif.c | 4 +- drivers/media/platform/qcom/camss/camss-vfe.c | 17 ++- .../media/platform/qcom/camss/camss-video.c | 2 +- .../media/platform/raspberrypi/rp1-cfe/csi2.c | 1 + .../platform/raspberrypi/rp1-cfe/pisp-fe.c | 3 +- drivers/media/platform/renesas/rcar-csi2.c | 3 +- .../media/platform/renesas/rcar-isp/csisp.c | 3 +- .../platform/renesas/rcar-vin/rcar-v4l2.c | 2 +- drivers/media/platform/renesas/renesas-ceu.c | 7 +- .../platform/renesas/rzg2l-cru/rzg2l-csi2.c | 3 +- .../platform/renesas/rzg2l-cru/rzg2l-ip.c | 3 +- .../platform/renesas/rzg2l-cru/rzg2l-video.c | 2 +- .../renesas/rzv2h-ivc/rzv2h-ivc-subdev.c | 3 +- .../media/platform/renesas/vsp1/vsp1_brx.c | 3 + .../media/platform/renesas/vsp1/vsp1_clu.c | 1 + .../media/platform/renesas/vsp1/vsp1_drm.c | 26 ++-- .../media/platform/renesas/vsp1/vsp1_entity.c | 4 +- .../media/platform/renesas/vsp1/vsp1_histo.c | 9 +- .../media/platform/renesas/vsp1/vsp1_hsit.c | 1 + .../media/platform/renesas/vsp1/vsp1_iif.c | 1 + .../media/platform/renesas/vsp1/vsp1_lif.c | 1 + .../media/platform/renesas/vsp1/vsp1_lut.c | 1 + .../media/platform/renesas/vsp1/vsp1_rwpf.c | 3 + .../media/platform/renesas/vsp1/vsp1_sru.c | 1 + .../media/platform/renesas/vsp1/vsp1_uds.c | 1 + .../media/platform/renesas/vsp1/vsp1_uif.c | 3 + .../media/platform/renesas/vsp1/vsp1_video.c | 2 +- .../media/platform/renesas/vsp1/vsp1_vspx.c | 3 +- .../platform/rockchip/rkcif/rkcif-interface.c | 5 +- .../platform/rockchip/rkisp1/rkisp1-capture.c | 2 +- .../platform/rockchip/rkisp1/rkisp1-csi.c | 3 +- .../platform/rockchip/rkisp1/rkisp1-isp.c | 3 + .../platform/rockchip/rkisp1/rkisp1-resizer.c | 3 + .../samsung/exynos4-is/fimc-capture.c | 13 +- .../samsung/exynos4-is/fimc-isp-video.c | 5 +- .../platform/samsung/exynos4-is/fimc-isp.c | 2 + .../platform/samsung/exynos4-is/fimc-lite.c | 8 +- .../platform/samsung/exynos4-is/mipi-csis.c | 2 + .../samsung/s3c-camif/camif-capture.c | 7 +- .../platform/samsung/s3c-camif/camif-core.c | 4 +- drivers/media/platform/st/stm32/stm32-csi.c | 1 + drivers/media/platform/st/stm32/stm32-dcmi.c | 6 +- .../st/stm32/stm32-dcmipp/dcmipp-bytecap.c | 3 +- .../st/stm32/stm32-dcmipp/dcmipp-byteproc.c | 3 + .../st/stm32/stm32-dcmipp/dcmipp-input.c | 1 + .../platform/sunxi/sun4i-csi/sun4i_v4l2.c | 2 + .../sunxi/sun6i-csi/sun6i_csi_bridge.c | 2 + .../sunxi/sun6i-mipi-csi2/sun6i_mipi_csi2.c | 2 + .../sun8i_a83t_mipi_csi2.c | 2 + .../media/platform/ti/am437x/am437x-vpfe.c | 4 +- drivers/media/platform/ti/cal/cal-camerarx.c | 3 +- drivers/media/platform/ti/cal/cal-video.c | 6 +- .../media/platform/ti/davinci/vpif_capture.c | 2 +- .../platform/ti/j721e-csi2rx/j721e-csi2rx.c | 2 +- drivers/media/platform/ti/omap3isp/ispccdc.c | 6 +- drivers/media/platform/ti/omap3isp/ispccp2.c | 4 +- drivers/media/platform/ti/omap3isp/ispcsi2.c | 4 +- .../media/platform/ti/omap3isp/isppreview.c | 6 +- .../media/platform/ti/omap3isp/ispresizer.c | 6 +- drivers/media/platform/ti/omap3isp/ispvideo.c | 12 +- drivers/media/platform/ti/vpe/vip.c | 7 +- drivers/media/platform/via/via-camera.c | 4 +- drivers/media/platform/video-mux.c | 1 + .../media/platform/xilinx/xilinx-csi2rxss.c | 2 + drivers/media/platform/xilinx/xilinx-dma.c | 2 +- drivers/media/platform/xilinx/xilinx-tpg.c | 2 + drivers/media/test-drivers/vimc/vimc-common.c | 2 +- .../media/test-drivers/vimc/vimc-debayer.c | 3 +- drivers/media/test-drivers/vimc/vimc-scaler.c | 3 + drivers/media/test-drivers/vimc/vimc-sensor.c | 1 + drivers/media/usb/cx231xx/cx231xx-417.c | 2 +- drivers/media/usb/cx231xx/cx231xx-video.c | 4 +- drivers/media/usb/dvb-usb/cxusb-analog.c | 6 +- drivers/media/usb/em28xx/em28xx-camera.c | 2 +- drivers/media/usb/go7007/go7007-v4l2.c | 2 +- drivers/media/usb/go7007/s2250-board.c | 1 + drivers/media/usb/pvrusb2/pvrusb2-hdw.c | 2 +- drivers/media/v4l2-core/v4l2-subdev.c | 117 +++++++++----- .../media/atomisp/i2c/atomisp-gc2235.c | 2 + .../media/atomisp/i2c/atomisp-ov2722.c | 2 + .../staging/media/atomisp/pci/atomisp_cmd.c | 16 +- .../staging/media/atomisp/pci/atomisp_csi2.c | 2 + .../media/atomisp/pci/atomisp_subdev.c | 4 + .../staging/media/atomisp/pci/atomisp_v4l2.c | 8 +- .../media/deprecated/atmel/atmel-isc-base.c | 4 +- drivers/staging/media/imx/imx-ic-prp.c | 2 + drivers/staging/media/imx/imx-ic-prpencvf.c | 2 + drivers/staging/media/imx/imx-media-capture.c | 14 +- drivers/staging/media/imx/imx-media-csi.c | 4 + drivers/staging/media/imx/imx-media-utils.c | 2 +- drivers/staging/media/imx/imx-media-vdic.c | 2 + drivers/staging/media/imx/imx6-mipi-csi2.c | 2 + drivers/staging/media/ipu3/ipu3-v4l2.c | 4 + drivers/staging/media/ipu7/ipu7-isys-csi2.c | 2 + drivers/staging/media/ipu7/ipu7-isys-subdev.c | 3 +- .../staging/media/starfive/camss/stf-isp.c | 12 +- .../staging/media/starfive/camss/stf-video.c | 2 +- .../media/sunxi/sun6i-isp/sun6i_isp_proc.c | 2 + drivers/staging/media/tegra-video/csi.c | 2 + drivers/staging/media/tegra-video/vi.c | 13 +- include/media/v4l2-subdev.h | 77 ++++++++-- include/uapi/linux/media.h | 1 + 265 files changed, 969 insertions(+), 324 deletions(-) -- 2.47.3