user/sven/linux.git/include/media, branch v6.8.12

media: mc: Add num_links flag to media_pad

2024-04-03T13:32:03Z

[ Upstream commit baeddf94aa61879b118f2faa37ed126d772670cc ] Maintain a counter of the links connected to a pad in the media_pad structure. This helps checking if a pad is connected to anything, which will be used in the pipeline building code. Cc: stable@vger.kernel.org # 6.1 Signed-off-by: Laurent Pinchart Acked-by: Sakari Ailus Signed-off-by: Hans Verkuil Signed-off-by: Sasha Levin

media: videobuf2: Add missing doc comment for waiting_in_dqbuf

2024-03-26T22:17:07Z

[ Upstream commit 26a3a10342748862dcc8d22222563f6ca03d6ca3 ] While at it rearrange other comments to match the order of struct members. Fixes: d65842f7126a ("media: vb2: add waiting_in_dqbuf flag") Signed-off-by: Andrzej Pietrasiewicz Acked-by: Tomasz Figa Signed-off-by: Hans Verkuil Signed-off-by: Sasha Levin

media: videobuf2: core: Rename min_buffers_needed field in vb2_queue

2023-12-13T16:31:27Z

Rename min_buffers_needed into min_queued_buffers and update the documentation about it. Signed-off-by: Benjamin Gaignard Signed-off-by: Hans Verkuil [hverkuil: Drop the change where min_queued_buffers + 1 buffers would be] [hverkuil: allocated. Now this patch only renames this field instead of making] [hverkuil: a functional change as well.] [hverkuil: Renamed 3 remaining min_buffers_needed occurrences.]

media: v4l2-subdev: Store frame interval in subdev state

2023-12-13T15:52:35Z

Subdev states store all standard pad configuration data, except for frame intervals. Fix it by adding interval fields in the v4l2_subdev_pad_config and v4l2_subdev_stream_config structures, with corresponding accessor functions and a helper function to implement the .get_frame_interval() operation. Signed-off-by: Laurent Pinchart Signed-off-by: Hans Verkuil

media: v4l2-subdev: Turn .[gs]_frame_interval into pad operations

2023-12-13T15:52:35Z

The subdev .[gs]_frame_interval are video operations, but they operate on pads (and even on streams). Not only is this confusing, it causes practical issues for drivers as the operations don't receive a subdev state pointer, requiring manual state handling. To improve the situation, turn the operations into pad operations, and extend them to receive a state pointer like other pad operations. While at it, rename the operations to .[gs]et_frame_interval at the same time to match the naming scheme of other pad operations. This isn't strictly necessary, but given that all drivers using those operations need to be modified, handling the rename separately would generate more churn for very little gain (if at all). Signed-off-by: Laurent Pinchart Reviewed-by: Hans Verkuil Reviewed-by: Philipp Zabel # for imx-media Reviewed-by: Luca Ceresoli # for tegra-video Signed-off-by: Hans Verkuil

media: v4l: subdev: Move out subdev state lock macros outside CONFIG_MEDIA_CONTROLLER

2023-12-13T15:52:34Z

The subdev state locking macros and macros to get the active state are currently behind CONFIG_MEDIA_CONTROLLER. This makes sense, as there can be no subdev state without MC. However, we have code paths common to MC and non-MC cases which call subdev operations that have subdev state as a parameter. In the non-MC case the state parameter would always be NULL. Thus it makes sense to allow, e.g.: v4l2_subdev_call_state_active(sd, pad, get_fmt, fmt) which for non-MC case would call the subdev passing NULL as the state. This currently fails: https://lore.kernel.org/oe-kbuild-all/202312061101.PLrz5NnJ-lkp@intel.com/ Fix the issue by moving the related macros to be outside CONFIG_MEDIA_CONTROLLER. The v4l2_subdev_lock_state() and v4l2_subdev_unlock_state() macros will crash if given NULL as the state, but the other macros behave correctly even when there's no active state, and they will only call the lock/unlock macros if there is a state. An alternative fix would be to make another version of v4l2_subdev_call_state_try() with ifdefs, which would not use any state macros and would always pass NULL as the state. But having two version of a macro/function is always more confusing than having just one, so I went this way. So, this fixes the v4l2_subdev_call_state_active() macro. But we also have v4l2_subdev_call_state_try(). It would be possible to fix that macro by additionally creating "no-op" variants of the state alloc and free functions. However, v4l2_subdev_call_state_try() is only used by a single driver (stm32-dcmi), which selects MC, and the macro is supposed to be removed as soon as the users have been converted away from the macro. Thus I have not touched the state alloc/free functions, and I think it makes sense to keep alloc/free functions available only if there's actually something that can be allocated or freed. Signed-off-by: Tomi Valkeinen Reviewed-by: Laurent Pinchart Reviewed-by: Hans Verkuil Link: https://lore.kernel.org/r/20231208-v4l2-state-mc-fix-v1-1-a0c8162557c6@ideasonboard.com Signed-off-by: Laurent Pinchart Signed-off-by: Hans Verkuil

media: v4l2-cci: Add support for little-endian encoded registers

2023-12-13T12:21:19Z

Some sensors, e.g. Sony IMX290, are using little-endian registers. Add support for those by encoding the endianness into Bit 20 of the register address. Fixes: af73323b9770 ("media: imx290: Convert to new CCI register access helpers") Cc: stable@vger.kernel.org Signed-off-by: Alexander Stein Reviewed-by: Hans de Goede Reviewed-by: Laurent Pinchart [Sakari Ailus: Fixed commit message.] Signed-off-by: Sakari Ailus Signed-off-by: Hans Verkuil

media: v4l: cci: Add macros to obtain register width and address

2023-12-04T10:21:46Z

Add CCI_REG_WIDTH() macro to obtain register width in bits and similarly, CCI_REG_WIDTH_BYTES() to obtain it in bytes. Also add CCI_REG_ADDR() macro to obtain the address of a register. Use both macros in v4l2-cci.c, too. Signed-off-by: Sakari Ailus Reviewed-by: Hans de Goede Reviewed-by: Laurent Pinchart Signed-off-by: Hans Verkuil

media: v4l: cci: Add driver-private bit definitions

2023-12-04T10:21:46Z

Provide a few bits for drivers to store private information on register definitions. Signed-off-by: Sakari Ailus Reviewed-by: Hans de Goede Reviewed-by: Laurent Pinchart Signed-off-by: Hans Verkuil

media: v4l: cci: Include linux/bits.h

2023-12-04T10:21:46Z

linux/bits.h is needed for GENMASK(). Include it. Signed-off-by: Sakari Ailus Reviewed-by: Hans de Goede Reviewed-by: Laurent Pinchart Signed-off-by: Hans Verkuil