AMD M56 Reference Manual page 262

Display Controller Registers
Field Name
D2CURSOR_HOT_SPOT_Y
D2CURSOR_HOT_SPOT_X
Secondary display hardware cursor hot spot position
Field Name
D2CUR_COLOR1_BLUE
D2CUR_COLOR1_GREEN
D2CUR_COLOR1_RED
Secondary display hardware cursor color 1.
Field Name
D2CUR_COLOR2_BLUE
D2CUR_COLOR2_GREEN
D2CUR_COLOR2_RED
Secondary display hardware cursor color 2.
Field Name
D2CURSOR_UPDATE_PENDING (R)
D2CURSOR_UPDATE_TAKEN (R)
D2CURSOR_UPDATE_LOCK
M56 Register Reference Manual
2-256
D2CUR_HOT_SPOT - RW - 32 bits - DISPDEC:0x6C18
Bits Default
5:0 0x0
21:16 0x0
D2CUR_COLOR1 - RW - 32 bits - DISPDEC:0x6C1C
Bits Default
7:0 0x0
15:8 0x0
23:16 0x0
D2CUR_COLOR2 - RW - 32 bits - DISPDEC:0x6C20
Bits Default
7:0 0x0
15:8 0x0
23:16 0x0
D2CUR_UPDATE - RW - 32 bits - DISPDEC:0x6C24
Bits Default
0 0x0
1 0x0
16 0x0
Description
Secondary display hardware cursor hot spot X length relative to the
top left corner.
Secondary display hardware cursor hot spot Y length relative to the
top left corner.
Description
Secondary display hardware cursor blue component of color 1.
Secondary display hardware cursor green component of color 1.
Secondary display hardware cursor red component of color 1.
Description
Secondary display hardware cursor blue component of color 2.
Secondary display hardware cursor green component of color 2.
Secondary display hardware cursor red component of color 2.
Description
Secondary display hardware cursor update pending status. It is set to
1 after a host write to cursor double buffer register. It is cleared after
double buffering is done. The double buffering occurs when
D2CURSOR_UPDATE_PENDING = 1 and
D2CURSOR_UPDATE_LOCK = 0 and V_UPDATE = 1.
If CRTC2 is disabled, the registers will be updated instantly.
The D2CUR double buffer registers are:
D2CURSOR_EN
D2CURSOR_MODE
D2CURSOR_2X_MAGNIFY
D2CURSOR_SURFACE_ADDRESS
D2CURSOR_HEIGHT
D2CURSOR_WIDTH
D2CURSOR_X_POSITION
D2CURSOR_Y_POSITION
D2CURSOR_HOT_SPOT_X
D2CURSOR_HOT_SPOT_Y
0=No update pending
1=Update pending
Secondary display hardware cursor update taken status. It is set to 1
when double buffering occurs and cleared when V_UPDATE = 0
Secondary display hardware cursor update lock control.
0=Unlocked
1=Locked
© 2007 Advanced Micro Devices, Inc.
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