static int cyberblade_query_fourcc(vidix_fourcc_t *to)
{
if(is_supported_fourcc(to->fourcc))
{
to->depth = VID_DEPTH_ALL;
to->flags = VID_CAP_EXPAND | VID_CAP_SHRINK | VID_CAP_COLORKEY;
return 0;
}
to->depth = to->flags = 0;
return ENOSYS;
}
int vixQueryFourcc(vidix_fourcc_t *to)
{
if(is_supported_fourcc(to->fourcc))
{
to->depth = VID_DEPTH_1BPP | VID_DEPTH_2BPP |
VID_DEPTH_4BPP | VID_DEPTH_8BPP |
VID_DEPTH_12BPP| VID_DEPTH_15BPP|
VID_DEPTH_16BPP| VID_DEPTH_24BPP|
VID_DEPTH_32BPP;
to->flags = VID_CAP_EXPAND | VID_CAP_SHRINK | VID_CAP_COLORKEY;
return 0;
}
else
to->depth = to->flags = 0;
return ENOSYS;
}
int vixConfigPlayback(vidix_playback_t *info)
{
int src_w, drw_w;
int src_h, drw_h;
int hscale,vscale;
long base0;
int y_pitch = 0, uv_pitch = 0;
int protect=0;
int layout=0;
unsigned int i;
if(!is_supported_fourcc(info->fourcc))
return -1;
src_w = info->src.w;
src_h = info->src.h;
drw_w = info->dest.w;
drw_h = info->dest.h;
switch(info->fourcc)
{
case IMGFMT_YUY2:
case IMGFMT_BGR16:
y_pitch = (src_w*2 + 15) & ~15;
uv_pitch = 0;
YOffs=VOffs=UOffs=info->offset.y = info->offset.v = info->offset.u = 0;
info->frame_size = y_pitch*src_h;
layout=0x0; /* packed */
break;
case IMGFMT_YV12:
case IMGFMT_I420:
y_pitch = (src_w+15) & ~15;
uv_pitch = ((src_w/2)+7) & ~7;
YOffs=info->offset.y = 0;
VOffs=info->offset.v = y_pitch*src_h;
UOffs=info->offset.u = info->offset.v+(uv_pitch)*(src_h/2);
info->frame_size = y_pitch*src_h + 2*uv_pitch*(src_h/2);
layout=0x1; /* planar, 4:1:1 */
break;
case IMGFMT_YVU9:
y_pitch = (src_w+15) & ~15;
uv_pitch = ((src_w/4)+3) & ~3;
YOffs=info->offset.y = 0;
VOffs=info->offset.v = y_pitch*src_h;
UOffs=info->offset.u = info->offset.v+(uv_pitch)*(src_h/4);
info->frame_size = y_pitch*src_h + 2*uv_pitch*(src_h/4);
layout=0x51; /* planar, 16:1:1 */
break;
}
/* Assume we have 2 MB to play with */
info->num_frames = 0x200000 / info->frame_size;
if(info->num_frames > VID_PLAY_MAXFRAMES)
info->num_frames = VID_PLAY_MAXFRAMES;
/* Start at 6 MB. Let's hope it's not in use. */
base0 = 0x600000;
info->dga_addr = cyberblade_mem + base0;
info->dest.pitch.y = 16;
info->dest.pitch.u = 16;
info->dest.pitch.v = 16;
for(i = 0; i < info->num_frames; i++)
{
info->offsets[i] = info->frame_size * i;
frames[i] = base0+info->offsets[i];
}
OUTPORT8(0x3d4,0x39);
OUTPORT8(0x3d5,INPORT(0x3d5)|1);
SRINB(0x0b); /* Select new mode */
/* Unprotect hardware registers... */
protect=SRINB(0x11);
SROUTB(0x11, 0x92);
SROUTB(0x57, 0xc0); /* Playback key function */
SROUTB(0x21, 0x34); /* Signature control */
SROUTB(0x37, 0x30); /* Video key mode */
vixSetGrKeys(&cyberblade_grkey);
/* compute_scale_factor(&src_w, &drw_w, &shrink, &zoom); */
{
int HTotal,VTotal,HSync,VSync,Overflow,HDisp,VDisp;
int HWinStart,VWinStart;
int tx1,ty1,tx2,ty2;
HTotal=CRINB(0x00);
HSync=CRINB(0x04);
VTotal=CRINB(0x06);
VSync=CRINB(0x10);
Overflow=CRINB(0x07);
HTotal <<=3;
HSync <<=3;
VTotal |= (Overflow & 1) <<8;
VTotal |= (Overflow & 0x20) <<4;
VTotal +=4;
VSync |= (Overflow & 4) <<6;
VSync |= (Overflow & 0x80) <<2;
if(CRINB(0xd1)&0x80)
{
int TVHTotal,TVVTotal,TVHSyncStart,TVVSyncStart,TVOverflow;
LOGWRITE("[cyberblade] Using TV-CRTC\n");
HDisp=(1+CRINB(0x01))*8;
VDisp=1+CRINB(0x12);
Overflow=CRINB(0x07);
VDisp |= (Overflow & 2) <<7;
VDisp |= (Overflow & 0x40) << 3;
TVHTotal=CRINB(0xe0)*8;
TVVTotal=CRINB(0xe6);
TVOverflow=CRINB(0xe7);
if(TVOverflow&0x20) TVVTotal|=512;
if(TVOverflow&0x01) TVVTotal|=256;
TVHTotal+=40; TVVTotal+=2;
TVHSyncStart=CRINB(0xe4)*8;
TVVSyncStart=CRINB(0xf0);
if(TVOverflow&0x80) TVVSyncStart|=512;
if(TVOverflow&0x04) TVVSyncStart|=256;
HWinStart=(TVHTotal-HDisp)&15;
HWinStart|=(HTotal-HDisp)&15;
HWinStart+=(TVHTotal-TVHSyncStart)-49;
}
else
{
LOGWRITE("[cyberblade] Using Standard CRTC\n");
HWinStart=(HTotal-HSync)+15;
}
VWinStart=(VTotal-VSync)-8;
printf("[cyberblade] HTotal: 0x%x, HSStart: 0x%x\n",HTotal,HSync);
printf(" VTotal: 0x%x, VStart: 0x%x\n",VTotal,VSync);
tx1=HWinStart+info->dest.x;
ty1=VWinStart+info->dest.y;
tx2=tx1+info->dest.w;
ty2=ty1+info->dest.h;
CROUTW(0x86,tx1);
CROUTW(0x88,ty1);
CROUTW(0x8a,tx2);
CROUTW(0x8c,ty2+3);
}
if(src_w==drw_w)
hscale=0;
else if(src_w<drw_w)
{
hscale=((src_w<<10)/(drw_w-2)) & 0x1fff;
}
else
{
hscale=0x8000 | ((((src_w/drw_w)-1)&7)<<10) | (((drw_w<<10)/src_w) & 0x3ff);
}
vscale=(src_h<<10)/(drw_h);
if(drw_h<src_h)
vscale=0x8000|((drw_h<<10)/(src_h));
/* Write scale factors to hardware */
CROUTW(0x80,hscale); /* Horizontal Scale */
CROUTW(0x82,vscale); /* Vertical Scale */
/* Now set the start address and data layout */
{
int lb = (y_pitch+2) >> 2;
CROUTB(0x95, ((lb & 0x100)>>1) | 0x08 ); /* Linebuffer level bit 8 & threshold */
CROUTB(0x96, (lb & 0xFF)); /* Linebuffer level */
CROUTB(0x97, 0x00); /* VDE Flags */
CROUTB(0xBA, 0x00); /* Chroma key */
CROUTB(0xBB, 0x00); /* Chroma key */
CROUTB(0xBC, 0xFF); /* Chroma key */
CROUTB(0xBD, 0xFF); /* Chroma key */
CROUTB(0xBE, 0x04); /* Capture control */
if(src_w > 384)
layout|=4; /* 2x line buffers */
SROUTB(0x97, layout);
CROUTW(0x90,y_pitch); /* Y Bytes per row */
SROUTW(0x9A,uv_pitch); /* UV Bytes per row */
switch(info->fourcc)
{
case IMGFMT_BGR16:
CROUTB(0x8F, 0x24); /* VDE Flags - Edge Recovery & CSC Bypass */
CROUTB(0xBF, 0x02); /* Video format - RGB16 */
SROUTB(0xBE, 0x0); /* HSCB disabled */
break;
default:
CROUTB(0x8F, 0x20); /* VDE Flags - Edge Recovery */
CROUTB(0xBF, 0x00); /* Video format - YUV */
SROUTB(0xBE, 0x00); /* HSCB disable - was 0x03*/
break;
}
CROUTB(0x92, ((base0+info->offset.y) >> 3) &0xff); /* Lower 8 bits of start address */
CROUTB(0x93, ((base0+info->offset.y) >> 11) &0xff); /* Mid 8 bits of start address */
CROUTB(0x94, ((base0+info->offset.y) >> 19) &0xf); /* Upper 4 bits of start address */
SROUTB(0x80, ((base0+info->offset.v) >> 3) &0xff); /* Lower 8 bits of start address */
SROUTB(0x81, ((base0+info->offset.v) >> 11) &0xff); /* Mid 8 bits of start address */
SROUTB(0x82, ((base0+info->offset.v) >> 19) &0xf); /* Upper 4 bits of start address */
SROUTB(0x83, ((base0+info->offset.u) >> 3) &0xff); /* Lower 8 bits of start address */
SROUTB(0x84, ((base0+info->offset.u) >> 11) &0xff); /* Mid 8 bits of start address */
SROUTB(0x85, ((base0+info->offset.u) >> 19) &0xf); /* Upper 4 bits of start address */
}
vixPlaybackSetEq(&equal);
/* Protect hardware registers again */
SROUTB(0x11, protect);
return 0;
}