system/fidl/ddk/protocols/rawnand.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 ddk.protocol.rawnand;

using zircon.device.nand;
using zx;

[Layout="ddk-protocol"]
interface RawNand {
    /// Read one nand page with hwecc.
    1: ReadPageHwecc(uint32 nandpage) -> (zx.status s, vector<void> data, vector<void> oob,
                                          int32 ecc_correct);

    /// Write one nand page with hwecc.
    2: WritePageHwecc(vector<void> data, vector<void> oob, uint32 nandpage) -> (zx.status s);

    /// Erase nand block.
    3: EraseBlock(uint32 nandpage) -> (zx.status s);

    4: GetNandInfo() -> (zx.status s, zircon.device.nand.NandInfo info);

    /// Send ONFI command down to controller.
    5: CmdCtrl(int32 cmd, uint32 ctrl) -> ();

    /// Read byte (used to read status as well as other info, such as ID).
    6: ReadByte() -> (uint8 byte);
};