41978 AMD RS690M Databook 3.06
© 2008 Advanced Micro Devices, Inc.
2-12
Proprietary
DVI/HDMI (Not Applicable to the RS690MC)
2.4.2 Support for HDMI Packet Types
Table 2-7 Support for HDMI Packet Type
Packet
Value
Packet Type
Supported
or Not
Source
Comment
0x00
Null
Yes
Inserted by hardware if no packets in
horizontal active on line 2 (can be disabled
by software).
Sent when required to meet
maximum time between data island
specification.
0x01
Audio Clock
Regeneration
Yes
Inserted by hardware or video driver.
Contents from register bits or combination
of register bits and hardware control.
Inserted in horizontal blank.
—
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.
Inserted (on even frames only in interlaced
mode) when requested by software or
whenever AVMUTE status changes.
Inserted in horizontal active on line selected
by software.
—
0x04
ACP Packet
Yes*
—
Audio content protection information.
0x05
ISRC1 Packet
Yes
Controlled by video driver.
Inserted in horizontal active on line selected
by software.
For transmitting UPC or ISRC codes.
0x06
ISRC2 Packet
Yes
Software controlled.
Inserted in horizontal active on line selected
by software.
Implement if ISRC1 is used.
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
Controlled by video driver.
Inserted in horizontal active on line selected
by software.
For colorimetry, repetition count,
video format, picture formatting.
0x82
0x02
Source Product
Descriptor
Yes*
—
—
0x83
0x03
Audio
Yes
Inserted in horizontal active on line selected
by software.
Contents from registers written by video
and HD audio drivers.
Sent only when HD audio enables audio
(video driver can also disable).
For channel counts, sampling
frequency, etc.
0x84
0x04
MPEG Source
Yes
Software controlled.
Inserted in horizontal active on line selected
by software.
For bit rate, field repeat, frame type
* Note:
These packet types are supported using generic packet types. A maximum of two of them can be supported simultaneously.