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Merged
DracoWhitefire merged 2 commits into from
Oct 25, 2026
Merged

feat/data-flow #4

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df07f25
Fix newlines in mermaid diagram
DracoWhitefire Oct 25, 2026
d0fa11b
Update links to ashlar-display
DracoWhitefire Oct 25, 2026
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22 changes: 11 additions & 11 deletions src/crates.md
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Expand Up @@ -2,17 +2,17 @@

| Crate | Layer | What it does | Docs |
|------------------------------------------------------------------------|----------------------|---------------------------------------------------------------------------------------|------------------------------------------------------|
| [display-types](https://github.com/DracoWhitefire/display-types) | Shared types | Display capability vocabulary shared across the stack | [docs.rs](https://docs.rs/display-types) |
| [piaf](https://github.com/DracoWhitefire/piaf) | Parsing | EDID and DisplayID parser | [docs.rs](https://docs.rs/piaf) |
| [concordance](https://github.com/DracoWhitefire/concordance) | Negotiation | HDMI 2.1 mode negotiation with a full reasoning trace | [docs.rs](https://docs.rs/concordance) |
| [cartouche](https://github.com/DracoWhitefire/cartouche) | Signaling | InfoFrame encoding and decoding (AVI, Audio, HDR Static, HDMI Forum VSI, Dynamic HDR) | [docs.rs](https://docs.rs/cartouche) |
| [culvert](https://github.com/DracoWhitefire/culvert) | Signaling | Typed SCDC register access | [docs.rs](https://docs.rs/culvert) |
| [culvert-async](https://github.com/DracoWhitefire/culvert-async) | Signaling | Async companion to culvert | [docs.rs](https://docs.rs/culvert-async) |
| [plumbob](https://github.com/DracoWhitefire/plumbob) | Driver-adjacent | FRL link training state machine | [docs.rs](https://docs.rs/plumbob) |
| [plumbob-async](https://github.com/DracoWhitefire/plumbob-async) | Driver-adjacent | Async companion to plumbob | [docs.rs](https://docs.rs/plumbob-async) |
| [hdmi-hal](https://github.com/DracoWhitefire/hdmi-hal) | Hardware abstraction | `ScdcTransport` and `HdmiPhy` traits | [docs.rs](https://docs.rs/hdmi-hal) |
| [hdmi-hal-async](https://github.com/DracoWhitefire/hdmi-hal-async) | Hardware abstraction | Async companion to hdmi-hal | [docs.rs](https://docs.rs/hdmi-hal-async) |
| [hdmi-hal-i2c-dev](https://github.com/DracoWhitefire/hdmi-hal-i2c-dev) | Hardware abstraction | Linux userspace backend over `/dev/i2c-N`, for development and validation | [docs.rs](https://docs.rs/hdmi-hal-i2c-dev) |
| [display-types](https://github.com/ashlar-display/display-types) | Shared types | Display capability vocabulary shared across the stack | [docs.rs](https://docs.rs/display-types) |
| [piaf](https://github.com/ashlar-display/piaf) | Parsing | EDID and DisplayID parser | [docs.rs](https://docs.rs/piaf) |
| [concordance](https://github.com/ashlar-display/concordance) | Negotiation | HDMI 2.1 mode negotiation with a full reasoning trace | [docs.rs](https://docs.rs/concordance) |
| [cartouche](https://github.com/ashlar-display/cartouche) | Signaling | InfoFrame encoding and decoding (AVI, Audio, HDR Static, HDMI Forum VSI, Dynamic HDR) | [docs.rs](https://docs.rs/cartouche) |
| [culvert](https://github.com/ashlar-display/culvert) | Signaling | Typed SCDC register access | [docs.rs](https://docs.rs/culvert) |
| [culvert-async](https://github.com/ashlar-display/culvert-async) | Signaling | Async companion to culvert | [docs.rs](https://docs.rs/culvert-async) |
| [plumbob](https://github.com/ashlar-display/plumbob) | Driver-adjacent | FRL link training state machine | [docs.rs](https://docs.rs/plumbob) |
| [plumbob-async](https://github.com/ashlar-display/plumbob-async) | Driver-adjacent | Async companion to plumbob | [docs.rs](https://docs.rs/plumbob-async) |
| [hdmi-hal](https://github.com/ashlar-display/hdmi-hal) | Hardware abstraction | `ScdcTransport` and `HdmiPhy` traits | [docs.rs](https://docs.rs/hdmi-hal) |
| [hdmi-hal-async](https://github.com/ashlar-display/hdmi-hal-async) | Hardware abstraction | Async companion to hdmi-hal | [docs.rs](https://docs.rs/hdmi-hal-async) |
| [hdmi-hal-i2c-dev](https://github.com/ashlar-display/hdmi-hal-i2c-dev) | Hardware abstraction | Linux userspace backend over `/dev/i2c-N`, for development and validation | [docs.rs](https://docs.rs/hdmi-hal-i2c-dev) |
| [ashlar](https://github.com/ashlar-display/ashlar) | — | Facade: one feature per crate above, re-exported under its own name | [docs.rs](https://docs.rs/ashlar) |

Current versions are on [crates.io](https://crates.io/keywords/ashlar); each crate's
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20 changes: 10 additions & 10 deletions src/stack.md
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Expand Up @@ -38,28 +38,28 @@ a reasoning trace explaining why.
## End-to-End Data Flow
```mermaid
flowchart TD
A[Raw EDID bytes] --> B["piaf \nParse EDID / DisplayID"]
A[Raw EDID bytes] --> B["piaf <br> Parse EDID / DisplayID"]
B --> C[piaf::DisplayCapabilities]
C --> C2["Integration Layer\nConvert to SinkCapabilities"]
C2 --> D["concordance \nNegotiation Layer"]
C --> C2["Integration Layer<br>Convert to SinkCapabilities"]
C2 --> D["concordance <br>Negotiation Layer"]

E["SourceCapabilities\ncaller-supplied"] --> D
F["CableCapabilities\ncaller-supplied"] --> D
E["SourceCapabilities<br>caller-supplied"] --> D
F["CableCapabilities<br>caller-supplied"] --> D

D --> G[Iterator of NegotiatedConfig]
G --> H["Select Configuration\n(policy / caller)"]
G --> H["Select Configuration<br>(policy / caller)"]

H --> I["culvert \nSCDC register access"]
I --> I2["plumbob \nFRL state machine"]
H --> I["culvert <br>SCDC register access"]
I --> I2["plumbob <br>FRL state machine"]
I2 --> J{Training Outcome}

J -->|Success| K[Achieved FRL Rate]
J -->|Fallback Required| D

K --> L["cartouche \nInfoFrame Encoding"]
K --> L["cartouche <br>InfoFrame Encoding"]
H --> L
L --> M[Encoded HDMI Packets]
H -.-> LV["cartouche-validate (planned)\nValidate against NegotiatedConfig"]
H -.-> LV["cartouche-validate (planned)<br>Validate against NegotiatedConfig"]
L -.-> LV

M --> N["DRM/KMS Integration (planned)"]
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