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staging/vchiq-mmal: Add buffer flags for interlaced video

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Add the buffer flags that the firmware uses to identify fields
on interlaced video

Signed-off-by: Dave Stevenson <dave.stevenson@raspberrypi.com>
This commit is contained in:
Dave Stevenson
2021-01-10 19:05:17 +00:00
committed by Dom Cobley
parent 1e6c6938cd
commit 6cd862d08c
1 changed files with 19 additions and 0 deletions
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19
drivers/staging/vc04_services/vchiq-mmal/mmal-msg.h
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@@ -253,6 +253,25 @@ struct mmal_msg_port_action_reply {
/* Signals that a buffer failed to be transmitted */
#define MMAL_BUFFER_HEADER_FLAG_TRANSMISSION_FAILED BIT(10)
/* Video buffer header flags
* videobufferheaderflags
* The following flags describe properties of a video buffer header.
* As there is no collision with the MMAL_BUFFER_HEADER_FLAGS_ defines, these
* flags will also be present in the MMAL_BUFFER_HEADER_T flags field.
*/
#define MMAL_BUFFER_HEADER_FLAG_FORMAT_SPECIFIC_START_BIT 16
#define MMAL_BUFFER_HEADER_FLAG_FORMAT_SPECIFIC_START \
(1 << MMAL_BUFFER_HEADER_FLAG_FORMAT_SPECIFIC_START_BIT)
/* Signals an interlaced video frame */
#define MMAL_BUFFER_HEADER_VIDEO_FLAG_INTERLACED \
(MMAL_BUFFER_HEADER_FLAG_FORMAT_SPECIFIC_START << 0)
/*
* Signals that the top field of the current interlaced frame should be
* displayed first
*/
#define MMAL_BUFFER_HEADER_VIDEO_FLAG_TOP_FIELD_FIRST \
(MMAL_BUFFER_HEADER_FLAG_FORMAT_SPECIFIC_START << 1)
struct mmal_driver_buffer {
u32 magic;
u32 component_handle;