Samsung S5PC110 Manual page 1410

Risc microprocessor
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S5PC110_UM
6.3.2.1.4 HOST2RISC Argument Registers (MFC_HOST2RISC_ARG1, R/W, Address = 0xF170_0034)
MFC_HOST2RISC_ARG1
HOST2RISC_ARG1
6.3.2.1.5 HOST2RISC Argument Registers (MFC_HOST2RISC_ARG2, R/W, Address = 0xF170_0038)
MFC_HOST2RISC_ARG2
Reserved
HOST2RISC_ARG2
Bit
[31:0]
As per HOST2RISC_COMMAND,
HOST2RISC_ARG has different meanings as
follows.
<OPEN_CH>
A codec type should be specified as follows.
0 = H.264 Decoding
1 = VC1 Advanced Profile Decoding
2 = MPEG4 / XVid Decoding
3 = MPEG1/MPEG2 Decoding
4 = H.263 Decoding
5 = VC1 Simple/Main Profile Decoding
6 = DivX 3.11 Decoding
7 = DivX 4.x Decoding
8 = DivX 5.0, DivX 5.01, DivX 5.02 Decoding
9 = DivX 5.03 and upper decoding
16 = H.264 Encoding
17 = MPEG4 Encoding
18 = H.263 Encoding
<CLOSE_CH>
An instance ID to close should be specified
<SYS_INIT>
Size of the memory for the firmware should be
specified (currently 300KB)
Bit
[31]
Reserved
[30:0]
When HOST2RISC_COMMAND is OPEN_CH, it
enables/disables pixel cache
<Encoder>
0 = Enable pixel cache
3 = Disable pixel cache
<Decoder>
0 = Enable pixel cache for P picture only
1 = Enable pixel cache for B picture only
2 = Enable pixel cache for both P and B pictures
3 = Disable pixel cache
Description
Description
6 5BMULTI FORMAT CODEC
Initial State
0
Initial State
0
0
6-18

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