This adds support for V4L2 M2M based driver for E5010 JPEG Encoder which is a stateful JPEG encoder from Imagination technologies and is present in TI AM62A SoC. v4l2-compliance test : Link: https://gist.github.com/devarsht/867b1d646bca3f3877edb1f3638aae31 E5010 JPEG Encoder Manual tests : Performance: Link: https://gist.github.com/devarsht/63d835093195181866ae9a85de880d3c Functionality: Link: https://gist.github.com/devarsht/253e485e86661a3051e711f97ec3c5ac Compression Quality: Link: https://gist.github.com/devarsht/e16d8b73c8107ac78cc77ad79fd6299f Multi Instance: Link: https://gist.github.com/devarsht/58af9ccf822963d2bf8f0c2f4481438a Link to previous series: https://lore.kernel.org/all/20230816152210.4080779-1-devarsht@xxxxxx/ Diff w.r.t previous series (git range-diff) : https://gist.github.com/devarsht/22a744d999080de6e813bcfb5a596272 Devarsh Thakkar (3): media: dt-bindings: Add Imagination E5010 JPEG Encoder media: jpeg: Add reference quantization and huffman tables media: imagination: Add E5010 JPEG Encoder driver .../bindings/media/img,e5010-jpeg-enc.yaml | 75 + MAINTAINERS | 7 + drivers/media/platform/Kconfig | 1 + drivers/media/platform/Makefile | 1 + drivers/media/platform/imagination/Kconfig | 12 + drivers/media/platform/imagination/Makefile | 3 + .../platform/imagination/e5010-core-regs.h | 585 +++++++ .../platform/imagination/e5010-jpeg-enc-hw.c | 267 +++ .../platform/imagination/e5010-jpeg-enc-hw.h | 42 + .../platform/imagination/e5010-jpeg-enc.c | 1552 +++++++++++++++++ .../platform/imagination/e5010-jpeg-enc.h | 169 ++ .../platform/imagination/e5010-mmu-regs.h | 311 ++++ include/media/jpeg.h | 4 + include/media/jpeg_enc_reftables.h | 112 ++ 14 files changed, 3141 insertions(+) create mode 100644 Documentation/devicetree/bindings/media/img,e5010-jpeg-enc.yaml create mode 100644 drivers/media/platform/imagination/Kconfig create mode 100644 drivers/media/platform/imagination/Makefile create mode 100644 drivers/media/platform/imagination/e5010-core-regs.h create mode 100644 drivers/media/platform/imagination/e5010-jpeg-enc-hw.c create mode 100644 drivers/media/platform/imagination/e5010-jpeg-enc-hw.h create mode 100644 drivers/media/platform/imagination/e5010-jpeg-enc.c create mode 100644 drivers/media/platform/imagination/e5010-jpeg-enc.h create mode 100644 drivers/media/platform/imagination/e5010-mmu-regs.h create mode 100644 include/media/jpeg_enc_reftables.h --- Changelog: V1->V2: No change (sending dt-binding and driver together) V2->V3: - Add DONOTMERGE patches for dts and defconfig - Update driver with below changes : - Correct license headers - Use more generic name core instead of jasper for base registers - Add Comment for forward declarations - Simplify quantization table calculations - Use v4l2_apply_frmsize_constraints for updating framesize and remove unrequired functions - Place TODO at top of file and in commit message too - Use dev_err_probe helper in probe function - Fix return value checking for failure scenarios in probe function - Use v4l2_err/info/warn helpers instead of dev_err/info/warn helpers - Fix unexpected indentation - Correct commit message - Update dt-bindings with below changes : - Add vendor specific compatible - Fix commit title and message - Update reg names - Update clocks to 1 - Fix dts example with proper naming V3->V4: - Use ti-specific compatible ti,am62a-jpeg-enc as secondary one in dt-binding - Remove clock-names as only single clock in dt-binding - Fix issue with default params setting - Correct v4l2 error prints - Simplify register write functions with single statement return values - Remove unrequired error checks from get_queue() - Drop explicit device_caps setting as it is already taken care by v4l2 core - Remove unrequired multiplanar checks and memset from s_fmt, g_fmt callback functions - Fix try_fmt callback to not update the queues - Remove unrequired contiguous format attribute from queue_init - Use dynamic allocation for video_device and remove unrequired assignments in probe() - Remove unrequired checks from queue_setup function - Return queued buffers back if start_streaming fails - Use ARRAY_SIZE in place of hard-coding - Use huffman and quantization tables from reference header file -- 2.34.1
