blob: 7c090a337af264cc11598d6a037ab1c6b02e8e06 [file] [log] [blame]
// 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.amlogiccanvas;
using zx;
enum CanvasFlags : uint32 {
READ = 0x1;
WRITE = 0x2;
struct CanvasInfo {
uint32 height;
uint32 stride_bytes;
uint32 wrap;
uint32 blkmode;
uint32 endianness;
uint32 flags;
[Layout = "ddk-protocol"]
protocol AmlogicCanvas {
/// Configures a canvas.
/// Adds a framebuffer to the canvas lookup table.
Config(handle<vmo> vmo, usize offset, CanvasInfo info) -> (zx.status s, uint8 canvas_idx);
/// Frees up a canvas.
Free(uint8 canvas_idx) -> (zx.status s);