Re: [PATCH v6 6/8] v4l: xilinx: Add Xilinx Video IP core
On 03/09/2015 09:09 PM, Laurent Pinchart wrote: Hi Hans, Thank you for the review. On Wednesday 04 March 2015 16:11:43 Hans Verkuil wrote: Hi Laurent, Almost OK :-) Great :-) Two small issues remain, see below. On 03/04/15 15:51, Laurent Pinchart wrote: Xilinx platforms have no hardwired video capture or video processing interface. Users create capture and memory to memory processing pipelines in the FPGA fabric to suit their particular needs, by instantiating video IP cores from a large library. The Xilinx Video IP core is a framework that models a video pipeline described in the device tree and expose the pipeline to userspace through the media controller and V4L2 APIs. Signed-off-by: Laurent Pinchart laurent.pinch...@ideasonboard.com Signed-off-by: Hyun Kwon hyun.k...@xilinx.com Signed-off-by: Radhey Shyam Pandey radh...@xilinx.com Signed-off-by: Michal Simek michal.si...@xilinx.com --- Cc: devicet...@vger.kernel.org Changes since v5: - Report frame field as V4L2_FIELD_NONE - Update to the mainline pad-level subdev API changes - Add VIDIOC_CREATE_BUFS support - Add a comment to explain the lack of VB2_READ and VB2_WRITE Changes since v4: - Use a DT format description closer to the hardware - Document the xvip_device clk field Changes since v3: - Rename V4L2_MBUS_FMT_* to MEDIA_BUS_FMT_* - Cleanup unused vdma configuration. - Add resource init and cleanup helpers - Return buffers to vb2 when media pipeline start fails Changes since v2: - Remove explicit trailing \0 after snprintf - Don't hardcode colorspace Changes since v1: - Remove unnecessary fields from struct xvip_dma_buffer - Fix querycap capabilities and bus_info reporting - Refuse to set format when the queue is busy - Return buffers to vb2 when start_streaming fails - Use vb2 fops and ioctl ops v1 was made of the following individual patches. media: xilinx: vip: Add yuv444 and bayer formats media: xilinx: vip: Remove _TIMING_ from register definition media: xilinx: dma: Add vidioc_enum_fmt_vid_cap callback media: xilinx: dma: Fix alignments of xvip_dma_fops definition media: xilinx: dma: Workaround for bytesperline media: xilinx: vip: Add default min/max height/width definitions media: xilinx: vip: Add common sink/source pad IDs media: xilinx: vip: Add xvip_set_format_size() media: xilinx: vip: Add xvip_enum_mbus_code() media: xilinx: vip: Add xvip_enum_frame_size() media: xilinx: vip: Add register clear and set functions media: xilinx: vip: Add xvip_start() media: xilinx: vip: Add xvip_stop() media: xilinx: vip: Add xvip_set_frame_size() media: xilinx: vip: Add enable/disable reg update functions media: xilinx: vip: Add xvip_print_version() media: xilinx: vip: Add xvip_reset() media: xilinx: vip: Add xvip_get_frame_size() media: xilinx: vip: Add suspend/resume helper functions media: xilinx: vip: Change the return value of xvip_get_format_by_code() media: xilinx: vip: Change the return value of xvip_of_get_format() media: xilinx: vip: Change the return value of xvip_get_format_by_fourcc() media: xilinx: vipp: Remove of_match_ptr() media: xilinx: vipp: Add control to inherit subdevice controls media: xilinx: Make disconnected video nodes return -EPIPE at stream on media: xilinx: Make links configurable media: xilinx: Rename xvip_pipeline_entity to xvip_graph_entity media: xilinx: Rename xvip_pipeline to xvip_composite_device media: xilinx: Rename xvipp_pipeline_* functions to xvip_graph_* media: xilinx: Rename xvipp_v4l2_* functions to xvip_composite_v4l2_* media: xilinx: Rename xvipp_* functions to xvip_composite_* media: xilinx: Move pipeline management code to xilinx-dma.c media: xilinx: Add missing mutex_destroy call media: xilinx: Create xvip_pipeline structure media: xilinx: Support more than two VDMAs in DT media: xilinx: dma: Change vdma configuration to cyclic-mode Revert media: xilinx: dma: Workaround for bytesperline media: xilinx: Added DMA error handling media: xilinx: Fix error handling media: xilinx: Reordered mutexes initialization media: xilinx: vipp: Add devicetree bindings documentation media: xilinx: Reordered mutexes initialization media: xilinx: Set format description in enum_fmt media: xilinx: Remove global control handler media: xilinx: dma: Use the interleaved dmaengine API xilinx: Remove .owner field for drivers v4l: xilinx: video: Rename compatible string to xlnx,video v4l: xilinx: Remove axi- prefix from DT properties v4l: xilinx: dma: Give back queued buffers at streamoff time --- .../devicetree/bindings/media/xilinx/video.txt | 35 + .../bindings/media/xilinx/xlnx,video.txt | 55 ++ MAINTAINERS| 9 + drivers/media/platform/Kconfig | 1 + drivers/media/platform/Makefile| 2 + drivers/media/platform/xilinx/Kconfig | 10 + drivers/media/platform/xilinx/Makefile |
Re: [PATCH v6 6/8] v4l: xilinx: Add Xilinx Video IP core
Hi Hans, Thank you for the review. On Wednesday 04 March 2015 16:11:43 Hans Verkuil wrote: Hi Laurent, Almost OK :-) Great :-) Two small issues remain, see below. On 03/04/15 15:51, Laurent Pinchart wrote: Xilinx platforms have no hardwired video capture or video processing interface. Users create capture and memory to memory processing pipelines in the FPGA fabric to suit their particular needs, by instantiating video IP cores from a large library. The Xilinx Video IP core is a framework that models a video pipeline described in the device tree and expose the pipeline to userspace through the media controller and V4L2 APIs. Signed-off-by: Laurent Pinchart laurent.pinch...@ideasonboard.com Signed-off-by: Hyun Kwon hyun.k...@xilinx.com Signed-off-by: Radhey Shyam Pandey radh...@xilinx.com Signed-off-by: Michal Simek michal.si...@xilinx.com --- Cc: devicet...@vger.kernel.org Changes since v5: - Report frame field as V4L2_FIELD_NONE - Update to the mainline pad-level subdev API changes - Add VIDIOC_CREATE_BUFS support - Add a comment to explain the lack of VB2_READ and VB2_WRITE Changes since v4: - Use a DT format description closer to the hardware - Document the xvip_device clk field Changes since v3: - Rename V4L2_MBUS_FMT_* to MEDIA_BUS_FMT_* - Cleanup unused vdma configuration. - Add resource init and cleanup helpers - Return buffers to vb2 when media pipeline start fails Changes since v2: - Remove explicit trailing \0 after snprintf - Don't hardcode colorspace Changes since v1: - Remove unnecessary fields from struct xvip_dma_buffer - Fix querycap capabilities and bus_info reporting - Refuse to set format when the queue is busy - Return buffers to vb2 when start_streaming fails - Use vb2 fops and ioctl ops v1 was made of the following individual patches. media: xilinx: vip: Add yuv444 and bayer formats media: xilinx: vip: Remove _TIMING_ from register definition media: xilinx: dma: Add vidioc_enum_fmt_vid_cap callback media: xilinx: dma: Fix alignments of xvip_dma_fops definition media: xilinx: dma: Workaround for bytesperline media: xilinx: vip: Add default min/max height/width definitions media: xilinx: vip: Add common sink/source pad IDs media: xilinx: vip: Add xvip_set_format_size() media: xilinx: vip: Add xvip_enum_mbus_code() media: xilinx: vip: Add xvip_enum_frame_size() media: xilinx: vip: Add register clear and set functions media: xilinx: vip: Add xvip_start() media: xilinx: vip: Add xvip_stop() media: xilinx: vip: Add xvip_set_frame_size() media: xilinx: vip: Add enable/disable reg update functions media: xilinx: vip: Add xvip_print_version() media: xilinx: vip: Add xvip_reset() media: xilinx: vip: Add xvip_get_frame_size() media: xilinx: vip: Add suspend/resume helper functions media: xilinx: vip: Change the return value of xvip_get_format_by_code() media: xilinx: vip: Change the return value of xvip_of_get_format() media: xilinx: vip: Change the return value of xvip_get_format_by_fourcc() media: xilinx: vipp: Remove of_match_ptr() media: xilinx: vipp: Add control to inherit subdevice controls media: xilinx: Make disconnected video nodes return -EPIPE at stream on media: xilinx: Make links configurable media: xilinx: Rename xvip_pipeline_entity to xvip_graph_entity media: xilinx: Rename xvip_pipeline to xvip_composite_device media: xilinx: Rename xvipp_pipeline_* functions to xvip_graph_* media: xilinx: Rename xvipp_v4l2_* functions to xvip_composite_v4l2_* media: xilinx: Rename xvipp_* functions to xvip_composite_* media: xilinx: Move pipeline management code to xilinx-dma.c media: xilinx: Add missing mutex_destroy call media: xilinx: Create xvip_pipeline structure media: xilinx: Support more than two VDMAs in DT media: xilinx: dma: Change vdma configuration to cyclic-mode Revert media: xilinx: dma: Workaround for bytesperline media: xilinx: Added DMA error handling media: xilinx: Fix error handling media: xilinx: Reordered mutexes initialization media: xilinx: vipp: Add devicetree bindings documentation media: xilinx: Reordered mutexes initialization media: xilinx: Set format description in enum_fmt media: xilinx: Remove global control handler media: xilinx: dma: Use the interleaved dmaengine API xilinx: Remove .owner field for drivers v4l: xilinx: video: Rename compatible string to xlnx,video v4l: xilinx: Remove axi- prefix from DT properties v4l: xilinx: dma: Give back queued buffers at streamoff time --- .../devicetree/bindings/media/xilinx/video.txt | 35 + .../bindings/media/xilinx/xlnx,video.txt | 55 ++ MAINTAINERS| 9 + drivers/media/platform/Kconfig | 1 + drivers/media/platform/Makefile| 2 + drivers/media/platform/xilinx/Kconfig
[PATCH v6 6/8] v4l: xilinx: Add Xilinx Video IP core
Xilinx platforms have no hardwired video capture or video processing interface. Users create capture and memory to memory processing pipelines in the FPGA fabric to suit their particular needs, by instantiating video IP cores from a large library. The Xilinx Video IP core is a framework that models a video pipeline described in the device tree and expose the pipeline to userspace through the media controller and V4L2 APIs. Signed-off-by: Laurent Pinchart laurent.pinch...@ideasonboard.com Signed-off-by: Hyun Kwon hyun.k...@xilinx.com Signed-off-by: Radhey Shyam Pandey radh...@xilinx.com Signed-off-by: Michal Simek michal.si...@xilinx.com --- Cc: devicet...@vger.kernel.org Changes since v5: - Report frame field as V4L2_FIELD_NONE - Update to the mainline pad-level subdev API changes - Add VIDIOC_CREATE_BUFS support - Add a comment to explain the lack of VB2_READ and VB2_WRITE Changes since v4: - Use a DT format description closer to the hardware - Document the xvip_device clk field Changes since v3: - Rename V4L2_MBUS_FMT_* to MEDIA_BUS_FMT_* - Cleanup unused vdma configuration. - Add resource init and cleanup helpers - Return buffers to vb2 when media pipeline start fails Changes since v2: - Remove explicit trailing \0 after snprintf - Don't hardcode colorspace Changes since v1: - Remove unnecessary fields from struct xvip_dma_buffer - Fix querycap capabilities and bus_info reporting - Refuse to set format when the queue is busy - Return buffers to vb2 when start_streaming fails - Use vb2 fops and ioctl ops v1 was made of the following individual patches. media: xilinx: vip: Add yuv444 and bayer formats media: xilinx: vip: Remove _TIMING_ from register definition media: xilinx: dma: Add vidioc_enum_fmt_vid_cap callback media: xilinx: dma: Fix alignments of xvip_dma_fops definition media: xilinx: dma: Workaround for bytesperline media: xilinx: vip: Add default min/max height/width definitions media: xilinx: vip: Add common sink/source pad IDs media: xilinx: vip: Add xvip_set_format_size() media: xilinx: vip: Add xvip_enum_mbus_code() media: xilinx: vip: Add xvip_enum_frame_size() media: xilinx: vip: Add register clear and set functions media: xilinx: vip: Add xvip_start() media: xilinx: vip: Add xvip_stop() media: xilinx: vip: Add xvip_set_frame_size() media: xilinx: vip: Add enable/disable reg update functions media: xilinx: vip: Add xvip_print_version() media: xilinx: vip: Add xvip_reset() media: xilinx: vip: Add xvip_get_frame_size() media: xilinx: vip: Add suspend/resume helper functions media: xilinx: vip: Change the return value of xvip_get_format_by_code() media: xilinx: vip: Change the return value of xvip_of_get_format() media: xilinx: vip: Change the return value of xvip_get_format_by_fourcc() media: xilinx: vipp: Remove of_match_ptr() media: xilinx: vipp: Add control to inherit subdevice controls media: xilinx: Make disconnected video nodes return -EPIPE at stream on media: xilinx: Make links configurable media: xilinx: Rename xvip_pipeline_entity to xvip_graph_entity media: xilinx: Rename xvip_pipeline to xvip_composite_device media: xilinx: Rename xvipp_pipeline_* functions to xvip_graph_* media: xilinx: Rename xvipp_v4l2_* functions to xvip_composite_v4l2_* media: xilinx: Rename xvipp_* functions to xvip_composite_* media: xilinx: Move pipeline management code to xilinx-dma.c media: xilinx: Add missing mutex_destroy call media: xilinx: Create xvip_pipeline structure media: xilinx: Support more than two VDMAs in DT media: xilinx: dma: Change vdma configuration to cyclic-mode Revert media: xilinx: dma: Workaround for bytesperline media: xilinx: Added DMA error handling media: xilinx: Fix error handling media: xilinx: Reordered mutexes initialization media: xilinx: vipp: Add devicetree bindings documentation media: xilinx: Reordered mutexes initialization media: xilinx: Set format description in enum_fmt media: xilinx: Remove global control handler media: xilinx: dma: Use the interleaved dmaengine API xilinx: Remove .owner field for drivers v4l: xilinx: video: Rename compatible string to xlnx,video v4l: xilinx: Remove axi- prefix from DT properties v4l: xilinx: dma: Give back queued buffers at streamoff time --- .../devicetree/bindings/media/xilinx/video.txt | 35 + .../bindings/media/xilinx/xlnx,video.txt | 55 ++ MAINTAINERS| 9 + drivers/media/platform/Kconfig | 1 + drivers/media/platform/Makefile| 2 + drivers/media/platform/xilinx/Kconfig | 10 + drivers/media/platform/xilinx/Makefile | 3 + drivers/media/platform/xilinx/xilinx-dma.c | 766 + drivers/media/platform/xilinx/xilinx-dma.h | 109 +++ drivers/media/platform/xilinx/xilinx-vip.c | 311 + drivers/media/platform/xilinx/xilinx-vip.h | 238 +++ drivers/media/platform/xilinx/xilinx-vipp.c| 669 ++
Re: [PATCH v6 6/8] v4l: xilinx: Add Xilinx Video IP core
Hi Laurent, Almost OK :-) Two small issues remain, see below. On 03/04/15 15:51, Laurent Pinchart wrote: Xilinx platforms have no hardwired video capture or video processing interface. Users create capture and memory to memory processing pipelines in the FPGA fabric to suit their particular needs, by instantiating video IP cores from a large library. The Xilinx Video IP core is a framework that models a video pipeline described in the device tree and expose the pipeline to userspace through the media controller and V4L2 APIs. Signed-off-by: Laurent Pinchart laurent.pinch...@ideasonboard.com Signed-off-by: Hyun Kwon hyun.k...@xilinx.com Signed-off-by: Radhey Shyam Pandey radh...@xilinx.com Signed-off-by: Michal Simek michal.si...@xilinx.com --- Cc: devicet...@vger.kernel.org Changes since v5: - Report frame field as V4L2_FIELD_NONE - Update to the mainline pad-level subdev API changes - Add VIDIOC_CREATE_BUFS support - Add a comment to explain the lack of VB2_READ and VB2_WRITE Changes since v4: - Use a DT format description closer to the hardware - Document the xvip_device clk field Changes since v3: - Rename V4L2_MBUS_FMT_* to MEDIA_BUS_FMT_* - Cleanup unused vdma configuration. - Add resource init and cleanup helpers - Return buffers to vb2 when media pipeline start fails Changes since v2: - Remove explicit trailing \0 after snprintf - Don't hardcode colorspace Changes since v1: - Remove unnecessary fields from struct xvip_dma_buffer - Fix querycap capabilities and bus_info reporting - Refuse to set format when the queue is busy - Return buffers to vb2 when start_streaming fails - Use vb2 fops and ioctl ops v1 was made of the following individual patches. media: xilinx: vip: Add yuv444 and bayer formats media: xilinx: vip: Remove _TIMING_ from register definition media: xilinx: dma: Add vidioc_enum_fmt_vid_cap callback media: xilinx: dma: Fix alignments of xvip_dma_fops definition media: xilinx: dma: Workaround for bytesperline media: xilinx: vip: Add default min/max height/width definitions media: xilinx: vip: Add common sink/source pad IDs media: xilinx: vip: Add xvip_set_format_size() media: xilinx: vip: Add xvip_enum_mbus_code() media: xilinx: vip: Add xvip_enum_frame_size() media: xilinx: vip: Add register clear and set functions media: xilinx: vip: Add xvip_start() media: xilinx: vip: Add xvip_stop() media: xilinx: vip: Add xvip_set_frame_size() media: xilinx: vip: Add enable/disable reg update functions media: xilinx: vip: Add xvip_print_version() media: xilinx: vip: Add xvip_reset() media: xilinx: vip: Add xvip_get_frame_size() media: xilinx: vip: Add suspend/resume helper functions media: xilinx: vip: Change the return value of xvip_get_format_by_code() media: xilinx: vip: Change the return value of xvip_of_get_format() media: xilinx: vip: Change the return value of xvip_get_format_by_fourcc() media: xilinx: vipp: Remove of_match_ptr() media: xilinx: vipp: Add control to inherit subdevice controls media: xilinx: Make disconnected video nodes return -EPIPE at stream on media: xilinx: Make links configurable media: xilinx: Rename xvip_pipeline_entity to xvip_graph_entity media: xilinx: Rename xvip_pipeline to xvip_composite_device media: xilinx: Rename xvipp_pipeline_* functions to xvip_graph_* media: xilinx: Rename xvipp_v4l2_* functions to xvip_composite_v4l2_* media: xilinx: Rename xvipp_* functions to xvip_composite_* media: xilinx: Move pipeline management code to xilinx-dma.c media: xilinx: Add missing mutex_destroy call media: xilinx: Create xvip_pipeline structure media: xilinx: Support more than two VDMAs in DT media: xilinx: dma: Change vdma configuration to cyclic-mode Revert media: xilinx: dma: Workaround for bytesperline media: xilinx: Added DMA error handling media: xilinx: Fix error handling media: xilinx: Reordered mutexes initialization media: xilinx: vipp: Add devicetree bindings documentation media: xilinx: Reordered mutexes initialization media: xilinx: Set format description in enum_fmt media: xilinx: Remove global control handler media: xilinx: dma: Use the interleaved dmaengine API xilinx: Remove .owner field for drivers v4l: xilinx: video: Rename compatible string to xlnx,video v4l: xilinx: Remove axi- prefix from DT properties v4l: xilinx: dma: Give back queued buffers at streamoff time --- .../devicetree/bindings/media/xilinx/video.txt | 35 + .../bindings/media/xilinx/xlnx,video.txt | 55 ++ MAINTAINERS| 9 + drivers/media/platform/Kconfig | 1 + drivers/media/platform/Makefile| 2 + drivers/media/platform/xilinx/Kconfig | 10 + drivers/media/platform/xilinx/Makefile | 3 + drivers/media/platform/xilinx/xilinx-dma.c | 766 + drivers/media/platform/xilinx/xilinx-dma.h | 109 +++
