5.2.6.13.5 Scaler Use Cases

Table 5-59. Progressive ARGB/YCbCr 4:4:4, Window Resampling Configuration
Unified Scaling Config	Bit/Field	Value
HEOCFG23	VXSYEN	Set both bits to 1 to activate the vertical filter
HEOCFG23	VXSCEN	Set both bits to 1 to activate the vertical filter
HEOCFG23	HXSYEN	Set both bits to 1 to activate the horizontal filter
HEOCFG23	HXSCEN	Set both bits to 1 to activate the horizontal filter
HEOCFG24	VXSYFACT	VFACTOR
HEOCFG25	VXSCFACT	VFACTOR
HEOCFG26	HXSYFACT	HFACTOR
HEOCFG27	HXSCFACT	HFACTOR
HEOCFG28	VXSYOFF	0
	VXSYOFF1	Unused in this mode
	VXSCOFF	0
	VXSCOFF1	Unused in this mode
HEOCFG29	HXSYOFF	0
HEOCFG29	HXSCOFF	0
HEOCFG30	VXSYCFG	1
	VXSYTAP2	0
	VXSY1201N	0
	VXSYBICU	0
	VXSYCFG1	Unused in this mode
	VXSCCFG	1
	VXSCTAP2	0
	VXSC1201N	0
	VXSCBICU	0
	VXSCCFG1	Unused in this mode
HEOCFG31	HXSYCFG	1
	HXSYTAP2	0
	HXSYBICU	0
	HXSCCFG	1
	HXSCTAP2	0
	HXSCBICU	0
HEOVTAP10PHIx	TAP0	When the vertical filter is enabled, program the filter coefficients here
HEOVTAP10PHIx	TAP1
HEOVTAP32PHIx	TAP2
HEOVTAP32PHIx	TAP3
HEOHTAP10PHIx	TAP0	When the horizontal filter is enabled, program the filter coefficients here
HEOHTAP10PHIx	TAP1
HEOHTAP32PHIx	TAP2
HEOHTAP32PHIx	TAP3

Table 5-60. Progressive YCbCr 4:2:2 Chroma Upsampling (cosited), with Window Resampling Configuration
Unified Scaling Config	Bit/Field	Resampling Type
Unified Scaling Config	Bit/Field	Nearest Neighbor	Bilinear	Bicubic
HEOCFG23	VXSYEN	Set both bits to 1 to activate the vertical filter
HEOCFG23	VXSCEN	Set both bits to 1 to activate the vertical filter
HEOCFG23	HXSYEN	Set to 1 to activate the horizontal filter
HEOCFG23	HXSCEN	1
HEOCFG24	VXSYFACT	VFACTOR
HEOCFG25	VXSCFACT	VFACTOR
HEOCFG26	HXSYFACT	HFACTOR
HEOCFG27	HXSCFACT	round(HFACTOR/2.0) divided by 2.0 to perform chroma upsampling (4:2:2 to 4:4:4 operation)
HEOCFG28	VXSYOFF	0
	VXSYOFF1	Unused in this mode
	VXSCOFF	0
	VXSCOFF1	Unused in this mode
HEOCFG29	HXSYOFF	Unused in this mode
HEOCFG29	HXSCOFF	0
HEOCFG30	VXSYCFG	1
	VXSYTAP2	0	1	0
	VXSY1201N	0
	VXSYBICU	0	0	1
	VXSYCFG1	Unused in this mode
	VXSCCFG	1
	VXSCTAP2	0	1	0
	VXSC1201N	0
	VXSCBICU	0	0	1
	VXSCCFG1	Unused in this mode
HEOCFG31	HXSYCFG	1
	HXSYTAP2	0	1	0
	HXSYBICU	0	0	1
	HXSCCFG	1
	HXSCTAP2	0	1	0
	HXSCBICU	0	0	1
HEOVTAP10PHIx	TAP0	0.0	Unused in this mode
HEOVTAP10PHIx	TAP1	1.0
HEOVTAP32PHIx	TAP2	0.0
HEOVTAP32PHIx	TAP3	0.0
HEOHTAP10PHIx	TAP0	0.0
HEOHTAP10PHIx	TAP1	1.0
HEOHTAP32PHIx	TAP2	0.0
HEOHTAP32PHIx	TAP3	0.0

Table 5-61. **Progressive YCbCr 4:2:0, Chroma Upsampling (cosited), with Window Resampling Configuration**
Unified Scaling Config	Bit/Field	Value
HEOCFG23	VXSYEN	1
HEOCFG23	VXSCEN	1
HEOCFG23	HXSYEN	1
HEOCFG23	HXSCEN	1
HEOCFG24	VXSYFACT	VFACTOR
HEOCFG25	VXSCFACT	round(VFACTOR/2.0) divided by 2.0 to perform vertical chroma upsampling (4:2:0 to 4:2:2 operation)
HEOCFG26	HXSYFACT	HFACTOR
HEOCFG27	HXSCFACT	round(HFACTOR/2.0) divided by 2.0 to perform horizontal chroma upsampling (4:2:2 to 4:4:4 operation)
HEOCFG28	VXSYOFF	0
	VXSYOFF1	Unused in this mode
	VXSCOFF	0
	VXSCOFF1	Unused in this mode
HEOCFG29	HXSYOFF	0
HEOCFG29	HXSCOFF	0
HEOCFG30	VXSYCFG	1
	VXSYTAP2	1
	VXSY1201N	0
	VXSYBICU	0
	VXSYCFG1	Unused in this mode
	VXSCCFG	1
	VXSCTAP2	1
	VXSC1201N	0
	VXSCBICU	0
	VXSCCFG1	Unused in this mode
HEOCFG31	HXSYCFG	1
	HXSYTAP2	1
	HXSYBICU	0
	HXSCCFG	1
	HXSCTAP2	1
	HXSCBICU	0
HEOVTAP10PHIx	TAP0	Unused in this mode
HEOVTAP10PHIx	TAP1
HEOVTAP32PHIx	TAP2
HEOVTAP32PHIx	TAP3
HEOHTAP10PHIx	TAP0
HEOHTAP10PHIx	TAP1
HEOHTAP32PHIx	TAP2
HEOHTAP32PHIx	TAP3

Table 5-62. **Interlaced YCbCr 4:2:0, Chroma Upsampling (cosited), Top/Bottom Interpolation, With Window Resampling Configuration**
Unified Scaling Config	Bit/Field	Value
HEOCFG23	VXSYEN	1
HEOCFG23	VXSCEN	1
HEOCFG23	HXSYEN	1
HEOCFG23	HXSCEN	1
HEOCFG24	VXSYFACT	round(VFACTOR/2.0) divided by 2.0 to perform interlaced content upscaling
HEOCFG25	VXSCFACT	round(VFACTOR/4.0) divided by 4.0 to perform interlaced content upscaling and chroma upscaling (4:2:0 to 4:2:2)
HEOCFG26	HXSYFACT	HFACTOR
HEOCFG27	HXSCFACT	round(HFACTOR/2.0) divided by 2.0 to perform horizontal chroma upsampling (4:2:2 to 4:4:4 operation)
HEOCFG28	VXSYOFF	0 (top)
	VXSYOFF1	8 (bottom)
	VXSCOFF	0 (top)
	VXSCOFF1	8 (bottom)
HEOCFG29	HXSYOFF	0
HEOCFG29	HXSCOFF	0
HEOCFG30	VXSYCFG	1 (top)
	VXSYTAP2	0
	VXSY1201N	0
	VXSYBICU	0
	VXSYCFG1	2 (bottom)
	VXSCCFG	1 (top)
	VXSCTAP2	1
	VXSC1201N	0
	VXSCBICU	0
	VXSCCFG1	2 (bottom)
HEOCFG31	HXSYCFG	1
	HXSYTAP2	1
	HXSYBICU	0
	HXSCCFG	1
	HXSCTAP2	1
	HXSCBICU	0
HEOVTAP10PHIx	TAP0	Coefficients are used for luma vertical resampling only (chroma is bilinear)
HEOVTAP10PHIx	TAP1
HEOVTAP32PHIx	TAP2
HEOVTAP32PHIx	TAP3
HEOHTAP10PHIx	TAP0	Coefficients are used for luma horizontal resampling only (chroma is bilinear)
HEOHTAP10PHIx	TAP1
HEOHTAP32PHIx	TAP2
HEOHTAP32PHIx	TAP3