firewire-dice-protocols 0.1.1

Implementation of protocols defined by TC Applied Technologies for ASICs of Digital Interface Communication Engine (DICE) as well as hardware vendors.
Documentation 
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// SPDX-License-Identifier: LGPL-3.0-or-later
// Copyright (c) 2021 Takashi Sakamoto

//! Protocol specific to Focusrite Saffire Pro 24.
//!
//! The module includes structure, enumeration, and trait and its implementation for protocol
//! defined by Focusrite for Saffire Pro 24.
//!
//! ## Diagram of internal signal flow for Saffire Pro 24.
//!
//! I note that optical input interface is available exclusively for ADAT input and S/PDIF input.
//!
//! ```text
//!                          ++===========++
//! mixer-input-0/1 -------> ||           || -> mixer-output-0/1
//! mixer-input-2/3 -------> ||           || -> mixer-output-2/3
//! mixer-input-4/5 -------> ||           || -> mixer-output-4/5
//! mixer-input-6/7 -------> ||   mixer   || -> mixer-output-6/7
//! mixer-input-8/9 -------> ||           || -> mixer-output-8/9
//! mixer-input-10/11 -----> ||  18 x 16  || -> mixer-output-10/11
//! mixer-input-12/13 -----> ||           || -> mixer-output-12/13
//! mixer-input-14/15 -----> ||           || -> mixer-output-14/15
//! mixer-input-16/17 -----> ||           ||
//!                          ++===========++
//!
//!                          ++===========++
//! mic-input-0/1 ---------> ||           ||
//! line-input-0/1 --------> ||           ||
//! spdif-coax-input-0/1 --> ||           || -> mixer-input-0/1
//! adat-input-0/1 --------> ||           || -> mixer-input-2/3
//! adat-input-2/3 --------> ||           || -> mixer-input-4/5
//! adat-input-4/5 --------> ||  mixer    || -> mixer-input-6/7
//! adat-input-6/7 --------> ||  input    || -> mixer-input-8/9
//! spdif-opt-input-0/1 ---> ||  router   || -> mixer-input-10/11
//!                          ||           || -> mixer-input-12/13
//! stream-input-0/1 ------> ||   x 18    || -> mixer-input-14/15
//! stream-input-2/3 ------> ||           || -> mixer-input-16/17
//! stream-input-4/5 ------> ||           ||
//! stream-input-6/7 ------> ||           ||
//!                          ++===========++
//!
//!                          ++===========++
//! mic-input-0/1 ---------> ||           ||
//! line-input-0/1 --------> ||           ||
//! spdif-coax-input-0/1 --> ||           ||
//! adat-input-0/1 --------> ||           ||
//! adat-input-2/3 --------> ||           || -> stream-output-0/1
//! adat-input-4/5 --------> ||           || -> stream-output-2/3
//! adat-input-6/7 --------> ||           || -> stream-output-4/5
//! spdif-opt-input-0/1 ---> ||  stream   || -> stream-output-6/7
//!                          ||  capture  || -> stream-output-8/9
//! mixer-output-0/1 ------> ||  router   || -> stream-output-10/11
//! mixer-output-2/3 ------> ||           || -> stream-output-12/13
//! mixer-output-4/5 ------> ||   x 16    || -> stream-output-14/15
//! mixer-output-6/7 ------> ||           ||
//! mixer-output-8/9 ------> ||           ||
//! mixer-output-10/11 ----> ||           ||
//! mixer-output-12/13 ----> ||           ||
//! mixer-output-14/15 ----> ||           ||
//!                          ++===========++
//!
//!                          ++===========++
//! mic-input-0/1 ---------> ||           ||
//! line-input-0/1 --------> ||           ||
//! spdif-coax-input-0/1 --> ||           ||
//! adat-input-0/1 --------> ||           ||
//! adat-input-2/3 --------> ||           ||
//! adat-input-4/5 --------> ||           ||
//! adat-input-6/7 --------> ||           ||
//! spdif-opt-input-0/1 ---> ||           ||
//!                          ||  physical ||
//! stream-input-0/1 ------> ||  output   || -> analog-output-0/1
//! stream-input-2/3 ------> ||  router   || -> analog-output-2/3
//! stream-input-4/5 ------> ||           || -> analog-output-4/5
//! stream-input-6/7 ------> ||    x 8    || -> spdif-output-0/1
//!                          ||           ||
//! mixer-output-0/1 ------> ||           ||
//! mixer-output-2/3 ------> ||           ||
//! mixer-output-4/5 ------> ||           ||
//! mixer-output-6/7 ------> ||           ||
//! mixer-output-8/9 ------> ||           ||
//! mixer-output-10/11 ----> ||           ||
//! mixer-output-12/13 ----> ||           ||
//! mixer-output-14/15 ----> ||           ||
//!                          ++===========++
//!
//! ```

use super::{tcat::tcd22xx_spec::*, *};

/// Protocol implementation specific to Saffire Pro 24.
#[derive(Debug)]
pub struct SPro24Protocol;

impl Tcd22xxSpecOperation for SPro24Protocol {
    const INPUTS: &'static [Input] = &[
        Input {
            id: SrcBlkId::Ins0,
            offset: 2,
            count: 2,
            label: Some("Mic"),
        },
        Input {
            id: SrcBlkId::Ins0,
            offset: 0,
            count: 2,
            label: Some("Line"),
        },
        Input {
            id: SrcBlkId::Aes,
            offset: 6,
            count: 2,
            label: Some("S/PDIF-coax"),
        },
        // NOTE: share the same optical interface.
        Input {
            id: SrcBlkId::Adat,
            offset: 0,
            count: 8,
            label: None,
        },
        Input {
            id: SrcBlkId::Aes,
            offset: 4,
            count: 2,
            label: Some("S/PDIF-opt"),
        },
    ];

    const OUTPUTS: &'static [Output] = &[
        Output {
            id: DstBlkId::Ins0,
            offset: 0,
            count: 6,
            label: None,
        },
        Output {
            id: DstBlkId::Aes,
            offset: 6,
            count: 2,
            label: Some("S/PDIF-coax"),
        },
    ];

    // NOTE: The first 4 entries in router section are used to display hardware metering.
    const FIXED: &'static [SrcBlk] = &[
        SrcBlk {
            id: SrcBlkId::Ins0,
            ch: 2,
        },
        SrcBlk {
            id: SrcBlkId::Ins0,
            ch: 3,
        },
        SrcBlk {
            id: SrcBlkId::Ins0,
            ch: 0,
        },
        SrcBlk {
            id: SrcBlkId::Ins0,
            ch: 1,
        },
    ];
}

impl SaffireproSwNoticeOperation for SPro24Protocol {
    const SW_NOTICE_OFFSET: usize = 0x0068;
}

impl SaffireproOutGroupOperation for SPro24Protocol {
    const ENTRY_COUNT: usize = 6;
    const HAS_VOL_HWCTL: bool = false;
    const OUT_CTL_OFFSET: usize = 0x000c;

    const SRC_NOTICE: u32 = 0x00000001;
    const DIM_MUTE_NOTICE: u32 = 0x00000002;
}

impl SaffireproInputOperation for SPro24Protocol {
    const MIC_INPUT_OFFSET: usize = 0x0058;
    const LINE_INPUT_OFFSET: usize = 0x005c;
}