HDMI Intel® FPGA IP User Guide

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ID 683798
Date 4/22/2022
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Document Table of Contents
Document Table of Contents x
1. HDMI Intel® FPGA IP Quick Reference 2. HDMI Overview 3. HDMI Intel® FPGA IP Getting Started 4. HDMI Hardware Design Examples 5. HDMI Source 6. HDMI Sink 7. HDMI Parameters 8. HDMI Simulation Example 9. Registers 10. HDMI Intel® FPGA IP User Guide Archives 11. Document Revision History for the HDMI Intel® FPGA IP User Guide
1. HDMI Intel® FPGA IP Quick Reference x
1.1. Terms and Acronyms
2. HDMI Overview x
2.1. Release Information 2.2. Device Family Support 2.3. Feature Support 2.4. Resource Utilization
3. HDMI Intel® FPGA IP Getting Started x
3.1. Installing and Licensing Intel® FPGA IP Cores 3.2. Specifying IP Parameters and Options
3.1. Installing and Licensing Intel® FPGA IP Cores x
3.1.1. Intel® FPGA IP Evaluation Mode
4. HDMI Hardware Design Examples x
4.1. HDMI Hardware Design Examples for Intel Arria 10, Intel Cyclone 10 GX, Intel Stratix 10, and Intel® Agilex™ F-tile Devices 4.2. HDCP Over HDMI Design Example for Intel® Arria® 10 and Intel® Stratix® 10 Devices 4.3. HDMI Hardware Design Examples for Arria V and Stratix V Devices
4.3. HDMI Hardware Design Examples for Arria V and Stratix V Devices x
4.3.1. HDMI Hardware Design Components 4.3.2. HDMI Hardware Design Requirements 4.3.3. Design Walkthrough
4.3.1. HDMI Hardware Design Components x
4.3.1.1. Transceiver Native PHY (RX) 4.3.1.2. PLL Intel FPGA IP Cores 4.3.1.3. PLL Reconfig Intel FPGA IP Core 4.3.1.4. Multirate Reconfig Controller (RX) 4.3.1.5. Oversampler (RX) 4.3.1.6. DCFIFO 4.3.1.7. Sink Display Data Channel (DDC) & Status and Control Data Channel (SCDC) 4.3.1.8. Transceiver Reconfiguration Controller 4.3.1.9. VIP Bypass and Audio, Auxiliary and InfoFrame Buffers 4.3.1.10. Transceiver Native PHY (TX) 4.3.1.11. Transceiver PHY Reset Controller 4.3.1.12. Oversampler (TX) 4.3.1.13. Clock Enable Generator 4.3.1.14. Platform Designer System
4.3.1.14. Platform Designer System x
4.3.1.14.1. VIP Passthrough for HDMI Video Stream 4.3.1.14.2. Source SCDC Controller 4.3.1.14.3. Source Reconfiguration Controller
4.3.3. Design Walkthrough x
4.3.3.1. Set Up the Hardware 4.3.3.2. Copy the Design Files 4.3.3.3. Build and Compile the Design 4.3.3.4. View the Results
4.3.3.4. View the Results x
4.3.3.4.1. Push Buttons, DIP Switches and LED Functions
5. HDMI Source x
5.1. Source Functional Description 5.2. Source Interfaces 5.3. Source Clock Tree 5.4. Link Training Procedure 5.5. FRL Clocking Scheme 5.6. Valid Video Data 5.7. Source Deep Color Implementation When Support FRL = 0 5.8. Source Deep Color Implementation When Support FRL = 1 5.9. Variable Refresh Rate (VRR) and Auto Low Latency Mode (ALLM)
5.1. Source Functional Description x
5.1.1. Source Scrambler, TMDS/TERC4 Encoder 5.1.2. Source Video Resampler 5.1.3. Source Window of Opportunity Generator 5.1.4. Source Auxiliary Packet Encoder 5.1.5. Source Auxiliary Packet Generators 5.1.6. Source Auxiliary Data Path Multiplexers 5.1.7. Source Auxiliary Control Port 5.1.8. Source Audio Encoder 5.1.9. HDCP 1.4 TX Architecture 5.1.10. HDCP 2.3 TX Architecture 5.1.11. FRL Packetizer 5.1.12. FRL Character Block and Super Block Mapping 5.1.13. Reed-Solomon (RS) Forward Error Correction (FEC) Generation and Insertion 5.1.14. FRL Scrambler and Encoder 5.1.15. Source FRL Resampler 5.1.16. TX Core-PHY Interface 5.1.17. I2C Master 5.1.18. AXI4-Stream to Clocked Video Converter (AXI2CV) 5.1.19. AXI4-Stream to Clocked Video Converter (AXI2CV) Remap 5.1.20. Avalon Memory-Mapped Demultiplexer 5.1.21. HDMI TX Register 5.1.22. HDMI TX Interrupt 5.1.23. TX AXI4-Stream Auxiliary Bridge 5.1.24. TX Auxiliary User Packet 5.1.25. TX AXI4-Stream Auxiliary Arbiter 5.1.26. TX AXI4-Stream Auxiliary Packetizer 5.1.27. TX Avalon-ST Auxiliary Arbiter
5.1.7. Source Auxiliary Control Port x
5.1.7.1. Source General Control Packet (GCP) 5.1.7.2. Source Auxiliary Video Information (AVI) InfoFrame Bit-Fields 5.1.7.3. Source HDMI Vendor Specific InfoFrame (VSI)
5.1.8. Source Audio Encoder x
5.1.8.1. Audio InfoFrame (AI) Bundle Bit-Fields 5.1.8.2. Audio Metadata Bundle Bit-Fields
5.1.16. TX Core-PHY Interface x
5.1.16.1. TX Oversampler 5.1.16.2. Clock Enable Generator
6. HDMI Sink x
6.1. Sink Functional Description 6.2. Sink Interfaces 6.3. Sink Clock Tree 6.4. Link Training Procedure 6.5. Sink Deep Color Implementation When Support FRL = 0 6.6. Sink Deep Color Implementation When Support FRL = 1
6.1. Sink Functional Description x
6.1.1. Sink Word Alignment and Channel Deskew 6.1.2. Sink Descrambler, TMDS/TERC4 Decoder 6.1.3. Sink Auxiliary Decoder 6.1.4. Sink Auxiliary Packet Capture 6.1.5. Sink Video Resampler 6.1.6. Sink Auxiliary Data Port 6.1.7. Sink Audio Decoder 6.1.8. Status and Control Data Channel (SCDC) Interface 6.1.9. HDCP 1.4 RX Architecture 6.1.10. HDCP 2.3 RX Architecture 6.1.11. FRL Depacketizer 6.1.12. Sink FRL Character Block and Super Block Demapper 6.1.13. Sink FRL Descrambler and Decoder 6.1.14. Sink FRL Resampler 6.1.15. RX Core-PHY Interface 6.1.16. I2C Slave 6.1.17. I2C and EDID RAM Blocks 6.1.18. Clocked Video to AXI4-Stream (CV2AXI) Remap 6.1.19. Clocked Video to AXI4-Stream Converter (CV2AXI) 6.1.20. Avalon Memory-Mapped Demultiplexer 6.1.21. HDMI RX Register 6.1.22. HDMI RX Interrupt 6.1.23. RX AXI4-Stream Auxiliary Bridge 6.1.24. RX Auxiliary Packet Filter 6.1.25. RX Auxiliary User Packetizer 6.1.26. Variable Refresh Rate(VRR) and Auto Low Latency Mode (ALLM)
6.1.6. Sink Auxiliary Data Port x
6.1.6.1. Sink General Control Packet (GCP) 6.1.6.2. Sink Auxiliary Video Information (AVI) InfoFrame Bit-Fields 6.1.6.3. Sink HDMI Vendor Specific InfoFrame (VSI)
6.1.7. Sink Audio Decoder x
6.1.7.1. Audio InfoFrame (AI) Bundle Bit-Fields 6.1.7.2. Audio Metadata Bundle Bit-Fields
6.1.15. RX Core-PHY Interface x
6.1.15.1. RX Oversampler
7. HDMI Parameters x
7.1. HDMI Source Parameters 7.2. HDMI Sink Parameters
8. HDMI Simulation Example x
8.1. Simulation Walkthrough
9. Registers x
9.1. HDMI Source Register 9.2. HDMI Source AXI2CV Register 9.3. HDMI Sink Register 9.4. HDMI Sink CV2AXI Register
9.1. HDMI Source Register x
9.1.1. HDMI Source Core Register Summary
9.1.1. HDMI Source Core Register Summary x
9.1.1.1. STATUS_CONTROL (0x00) 9.1.1.2. IRQ_STATUS (0x01) 9.1.1.3. IRQ_MASK (0x02) 9.1.1.4. VIDEO_FORMAT (0x03) 9.1.1.5. AVI_CONTROL (0x08) 9.1.1.6. AVI_PACKET_DATA0 (0x09) 9.1.1.7. AVI_PACKET_DATA0 (0x0A) 9.1.1.8. AVI_PACKET_DATA2 (0x0B) 9.1.1.9. AVI_PACKET_DATA3 (0x0C) 9.1.1.10. VSI_CONTROL (0x0D) 9.1.1.11. VSI_PACKET_HEADER (0x0E) 9.1.1.12. VSI_PACKET_DATA0 (0x0F) 9.1.1.13. VSI_PACKET_DATA1 (0x10) 9.1.1.14. USER_PACKET_STATUS_CONTROL (0x12) 9.1.1.15. USER_PACKET_HEADER (0x013) 9.1.1.16. USER_PACKET_DATA0 (0x014) 9.1.1.17. USER_PACKET_DATA1 (0x015) 9.1.1.18. USER_PACKET_DATA2 (0x016) 9.1.1.19. USER_PACKET_DATA3 (0x017) 9.1.1.20. USER_PACKET_DATA4 (0x018) 9.1.1.21. USER_PACKET_DATA5 (0x019) 9.1.1.22. USER_PACKET_DATA6 (0x01A) 9.1.1.23. USER_PACKET_DATA7 (0x01B) 9.1.1.24. AUDIO_INFOFRAME_CONTROL (0x20) 9.1.1.25. AUDIO_INFOFRAME_PACKET_DATA0 (0x21) 9.1.1.26. AUDIO_INFOFRAME_PACKET_DATA1 (0x22) 9.1.1.27. AUDIO_METADATA_CONTROL (0x24) 9.1.1.28. AUDIO_METADATA_PACKET_HEADER (0x025) 9.1.1.29. AUDIO_METADATA_PACKET_DATA0 (0x026) 9.1.1.30. AUDIO_METADATA_PACKET_DATA1 (0x027) 9.1.1.31. AUDIO_METADATA_PACKET_DATA2 (0x028) 9.1.1.32. AUDIO_METADATA_PACKET_DATA3 (0x029) 9.1.1.33. AUDIO_METADATA_PACKET_DATA4 (0x02A) 9.1.1.34. AUDIO_METADATA_PACKET_DATA5 (0x02B) 9.1.1.35. SCDC_FRL_CONTROL (0x031)
9.2. HDMI Source AXI2CV Register x
9.2.1. HDMI Source AXI2CV Register Summary 9.2.2. HDMI Source AXI2CV Register Description
9.2.2. HDMI Source AXI2CV Register Description x
9.2.2.1. STATUS (0x50) 9.2.2.2. VIDEO_MODE_MATCH (0x51) 9.2.2.3. VIDEO_MODE_BANK_SELECT (0x53) 9.2.2.4. VIDEO_MODE_CONTROL (0x54) 9.2.2.5. VIDEO_MODE_SAMPLE_COUNT(0x55) 9.2.2.6. VIDEO_MODE_F0_LINE_COUNT (0x56) 9.2.2.7. VIDEO_MODE_F1_LINE_COUNT (0x57) 9.2.2.8. VIDEO_MODE_HORIZONTAL_FRONT_PORCH (0x58) 9.2.2.9. VIDEO_MODE_HORIZONTAL_SYNC_LENGTH (0x59) 9.2.2.10. VIDEO_MODE_HORIZONTAL_BLANKING (0x5A) 9.2.2.11. VIDEO_MODE_VERTICAL_FRONT_PORCH (0x5B) 9.2.2.12. VIDEO_MODE_VERTICAL_SYNC_LENGTH (0x5C) 9.2.2.13. VIDEO_MODE_VERTICAL_BLANKING (0x5D) 9.2.2.14. VIDEO_MODE_F0_VERTICAL_FRONT_PORCH (0x5E) 9.2.2.15. VIDEO_MODE_F0_VERTICAL_SYNC_LENGTH (0x5F) 9.2.2.16. VIDEO_MODE_F0_VERTICAL_BLANKING (0x60) 9.2.2.17. VIDEO_MODE_ACTIVE_PICTURE_LINE (0x61) 9.2.2.18. VIDEO_MODE_F0_VERTICAL_RISING (0x62) 9.2.2.19. VIDEO_MODE_FIELD_RISING (0x63) 9.2.2.20. VIDEO_MODE_FIELD_FALLING (0x64) 9.2.2.21. VIDEO_MODE_VALID (0x6D)
9.3. HDMI Sink Register x
9.3.1. HDMI Sink Register Summary
9.3.1. HDMI Sink Register Summary x
9.3.1.1. STATUS (0x01) 9.3.1.2. IRQ_STATUS (0x02) 9.3.1.3. IRQ_MASK (0x03) 9.3.1.4. HOTPLUG (0x04) 9.3.1.5. LINK_MODE (0x05) 9.3.1.6. VIDEO_COLOUR (0x06) 9.3.1.7. AVI_PACKET_DATA0 (0x0C) 9.3.1.8. AVI_PACKET_DATA1 (0x0D) 9.3.1.9. AVI_PACKET_DATA2 (0x0E) 9.3.1.10. AVI_PACKET_DATA3 (0x0F) 9.3.1.11. USER_PACKET_FILTER (0x10) 9.3.1.12. USER_BUFFER_STATUS_CONTROL (0x11) 9.3.1.13. USER_BUFFER_LEVEL (0x12) 9.3.1.14. USER_BUFFER_DATA (0x13) 9.3.1.15. AUX_PACKET_FILTER (0x14) 9.3.1.16. AUDIO_INFOFRAME_PACKET_DATA0 (0x21) 9.3.1.17. AUDIO_INFOFRAME _PACKET_DATA1 (0x22) 9.3.1.18. AUDIO_METADATA _PACKET_HEADER (0x25) 9.3.1.19. AUDIO_METADATA _PACKET_DATA0 (0x26) 9.3.1.20. AUDIO_METADATA _PACKET_DATA1 (0x27) 9.3.1.21. AUDIO_METADATA _PACKET_DATA2 (0x28) 9.3.1.22. AUDIO_METADATA _PACKET_DATA3 (0x29) 9.3.1.23. AUDIO_METADATA _PACKET_DATA4 (0x2A) 9.3.1.24. AUDIO_METADATA _PACKET_DATA5 (0x2B) 9.3.1.25. VSI_PACKET_DATA0 (0x2C) 9.3.1.26. VSI_PACKET_DATA1 (0x2D) 9.3.1.27. SCDC_FRL_STATUS (0x2E) 9.3.1.28. SCDC_FRL_CONTROL (0x2F)
9.4. HDMI Sink CV2AXI Register x
9.4.1. HDMI Sink CV2AXI Register Summary 9.4.2. HDMI Sink CV2AXI Register Description
9.4.2. HDMI Sink CV2AXI Register Description x
9.4.2.1. STATUS (0x50) 9.4.2.2. ACTIVE SAMPLE COUNT (0x52) 9.4.2.3. F0_ACTIVE_LINE_COUNT (0x53) 9.4.2.4. F1_ACTIVE_LINE_COUNT (0x54) 9.4.2.5. TOTAL_SAMPLE_COUNT (0x55) 9.4.2.6. F0_TOTAL_LINE_COUNT (0x56) 9.4.2.7. F1_TOTAL_LINE_COUNT (0x57) 9.4.2.8. COLOR_PATTERN (0x5C) 9.4.2.9. CONTROL (0x64)
1. HDMI Intel® FPGA IP Quick Reference
2. HDMI Overview
3. HDMI Intel® FPGA IP Getting Started
4. HDMI Hardware Design Examples
5. HDMI Source
6. HDMI Sink
7. HDMI Parameters
8. HDMI Simulation Example
9. Registers
10. HDMI Intel® FPGA IP User Guide Archives
11. Document Revision History for the HDMI Intel® FPGA IP User Guide

6.1.5. Sink Video Resampler

The video resampler consists of a gearbox and a dual-clock FIFO (DCFIFO).
The gearbox converts 8-bpc data to 8-, 10-, 12- or 16-bpc data based on the current color depth. The GCP conveys the color depth (bpp) information.
Figure 53. Sink Resampler Signal Flow Diagram
The resampler adheres to the recommended phase count method described in HDMI 1.4b Specification Section 6.5.
  • To keep the source and sink resamples synchronized, the source must send the packing-phase (pp) value to the sink during the vertical blanking phase, using the general control packet.
  • The pp corresponds to the phase of the last pixel in the last active video line.
  • The phase-counter logic compares its own pp value to the pp value received in the general control packet and slips the phase count if the two pp values do not agree.

The output from the resampler is fixed at 16 bpc. When the resampler operates in lower color depths, the low order bits are zero. The pixel data output format across color space are are described in Figure 10-12.

Level Two Title