IABSD.fr/xenocara/driver/xf86-video-neomagic/NM-reg.txt

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• Author : matthieu
  Date : 2006-11-26 20:07:38
  Hash : a9743d38
  Message : Importing xf86-video-neomagic 1.1.1

• driver/xf86-video-neomagic/NM-reg.txt

• NM2160 Register GUESS  
     --- Overlay and ZV capture ---
  
  2002,2.3.
  
  1. Overlay
    GRB0  bit5    Format; 0:YUY2/1:RGB
          bit1    1
          bit0    Enable overlay ; 1:enable/0:disable
    GRB1  bit7:4  X2[11:8]
          bit3:0  X1[11:8]
    GRB2          X1[7:0]
    GRB3          X2[7:0]
    GRB4  bit7:4  Y2[11:8]
          bit3:0  Y1[11:8]
    GRB5          Y1[7:0]
    GRB6          Y2[7:0]
    GRB7          VRAM offset[24:17]
    GRB8          VRAM offset[16:9]
    GRB9          VRAM offset[8:1]
    GRBA          Width in byte[15:8]
    GRBB          Width in byte[7:0]
    GRBC          0x4f
    GRBD          -
    GRBE          -
    GRBF  bit2    0:normal/1:mirror
          bit1:0  b'10'
    GRC0          X scale[15:8] ; x1.0 == 0x1000
    GRC1          X scale[7:0]
    GRC2          Y scale[15:8] ; x1.0 == 0x1000
    GRC3          Y scale[7:0]
    GRC4          brightness   ; -128 to +127
    GRC5          Color key(R)
    GRC6          Color key(G) / Color key(8bpp)
    GRC7          Color key(B)
  
  2. ZV capture
    GR0A  bit5    Enable extended SR reg. ; 1:enable/0:disable
          bit0    1
  
    SR08  bit7:1  b'1010000'
          bit0    Enable capture ; 1:enable/0:disable
    SR09          0x11
    SR0A          0x00
    SR0B          -
    SR0C          VRAM offset[8:1]
    SR0D          VRAM offset[16:9]
    SR0E          VRAM offset[24:17]
    SR0F          -
    SR10          -
    SR11          -
    SR12          -
    SR13          -
    SR14          Y1[7:0]
    SR15          Y2[7:0]
    SR16  bit7:4  Y2[11:4]
          bit3:0  Y1[11:4]
    SR17          X1[7:0]
    SR18          X2[7:0]
    SR19  bit7:4  X2[11:8]
          bit3:0  X1[11:8]
    SR1A          Width in byte[7:0]
    SR1B          Width in byte[15:8]
    SR1C          0xfb
    SR1D          0x00
    SR1E          0xe2
    SR1F          0x02
  
  s.nomura@mba.nifty.ne.jp