sdk/banjo/fuchsia.hardware.mipicsi/mipicsi.fidl

// Copyright 2018 The Fuchsia Authors. All rights reserved.
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.
library fuchsia.hardware.mipicsi;
using fuchsia.hardware.camera;
using zx;

type MipiInfo = struct {
    // Number of channels used.
    channel uint32;
    // Number of lanes used.
    lanes uint32;
    // Used to program MIPI_PHY_THS_SETTLE. No documentation.
    ui_value uint32;
    // MIPI CSI Version.
    csi_version uint32;
};

/// Values for Image Formats.
type MipiImageFormat = strict enum : uint32 {
    AM_RAW6 = 0x1;
    AM_RAW7 = 0x2;
    AM_RAW8 = 0x3;
    AM_RAW10 = 0x4;
    AM_RAW12 = 0x5;
    AM_RAW14 = 0x6;
};

/// Values for different MIPI modes.
type MipiModes = strict enum : uint32 {
    DDR_MODE = 0x0;
    // Direct mode.
    DIR_MODE = 0x1;
    // Dual Overlay mode.
    DOL_MODE = 0x2;
};

/// Values for virtual channel.
type MipiPath = strict enum : uint32 {
    PATH0 = 0x0;
    PATH1 = 0x1;
};

type MipiAdapInfo = struct {
    resolution fuchsia.hardware.camera.Dimensions;
    format MipiImageFormat;
    mode MipiModes;
    path MipiPath;
};

@transport("Banjo")
@banjo_layout("ddk-protocol")
protocol MipiCsi {
    Init(struct {
        mipi_info MipiInfo;
        adap_info MipiAdapInfo;
    }) -> (struct {
        s zx.status;
    });
    DeInit() -> (struct {
        s zx.status;
    });
};