From: Dave Stevenson <dave.stevenson@xxxxxxxxxxxxxxx>
Add the buffer flags that the firmware uses to identify fields
on interlaced video
Signed-off-by: Dave Stevenson <dave.stevenson@xxxxxxxxxxxxxxx>
Signed-off-by: Maarten Vanraes <maarten@xxxxxxxx>
---
.../vc04_services/vchiq-mmal/mmal-msg.h | 19 +++++++++++++++++++
1 file changed, 19 insertions(+)
diff --git a/drivers/staging/vc04_services/vchiq-mmal/mmal-msg.h b/drivers/staging/vc04_services/vchiq-mmal/mmal-msg.h
index ef84b4e35608..baf37254645a 100644
--- a/drivers/staging/vc04_services/vchiq-mmal/mmal-msg.h
+++ b/drivers/staging/vc04_services/vchiq-mmal/mmal-msg.h
@@ -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;
--
2.41.0
