45732 AMD 780E Databook 3.10
© 2009 Advanced Micro Devices, Inc.
2-16
Proprietary
DVI/HDMI™
2.5.2 Support for HDMI™ Packet Types
Table 2-11 Support for HDMI™ Packet Type
Packet
Value
Packet Type
Supported
or Not
Source
Comment
0x00
Null
Yes
Inserted by hardware when needed.
Sent when required to meet
maximum time between data island
specification.
0x01
Audio Clock
Regeneration
Yes
Inserted by hardware as required.
—
0x02
Audio Sample
Yes
Audio samples come from HD audio DMA.
Channel status from HD audio and video
registers.
Inserted in horizontal blank whenever audio
FIFO contains data.
—
0x03
General Control
No
Sending and contents controlled by video
driver.
—
0x04
ACP Packet
No
—
—
0x05
ISRC1 Packet
No
—
—
0x06
ISRC2 Packet
No
—
—
0x07
Reserved
N/A
N/A
N/A
InfoFrame Packet Type
HDMI™
ID
EIA-861B
ID
0x80
0x00
Vendor-Specific
Yes*
—
—
0x81
0x01
AVI
Yes
Inserted on line selected by software.
For colorimetry, repetition count,
video format, picture formatting.
0x82
0x02
Source Product
Descriptor
Yes*
—
—
0x83
0x03
Audio
Yes
Inserted on line selected by software.
Contents from registers written by video
and HD audio drivers.
For channel counts, sampling
frequency, etc.
0x84
0x04
MPEG Source
No
—
According to the CEA-861
specification, MPEG Source
InfoFrames should not be used.
* Note:
These packet types are supported using generic packet types. A maximum of two of them can be supported simultaneously.