From 8b00954ec79fad71691ad2d4c82d5c1c60e21b0c Mon Sep 17 00:00:00 2001
From: MerryMage
Date: Sun, 21 Feb 2016 13:13:52 +0000
Subject: AudioCore: Skeleton Implementation

This commit:
* Adds a new subproject, audio_core.
* Defines structures that exist in DSP shared memory.
* Hooks up various other parts of the emulator into audio core.

This sets the foundation for a later HLE DSP implementation.
---
 src/audio_core/hle/pipe.h | 38 ++++++++++++++++++++++++++++++++++++++
 1 file changed, 38 insertions(+)
 create mode 100644 src/audio_core/hle/pipe.h

(limited to 'src/audio_core/hle/pipe.h')

diff --git a/src/audio_core/hle/pipe.h b/src/audio_core/hle/pipe.h
new file mode 100644
index 000000000..ff6536950
--- /dev/null
+++ b/src/audio_core/hle/pipe.h
@@ -0,0 +1,38 @@
+// Copyright 2016 Citra Emulator Project
+// Licensed under GPLv2 or any later version
+// Refer to the license.txt file included.
+
+#pragma once
+
+#include <vector>
+
+#include "common/common_types.h"
+
+namespace DSP {
+namespace HLE {
+
+/// Reset the pipes by setting pipe positions back to the beginning.
+void ResetPipes();
+
+/**
+ * Read a DSP pipe.
+ * Pipe IDs:
+ *   pipe_number = 0: Debug
+ *   pipe_number = 1: P-DMA
+ *   pipe_number = 2: Audio
+ *   pipe_number = 3: Binary
+ * @param pipe_number The Pipe ID
+ * @param length How much data to request.
+ * @return The data read from the pipe. The size of this vector can be less than the length requested.
+ */
+std::vector<u8> PipeRead(u32 pipe_number, u32 length);
+
+/**
+ * Write to a DSP pipe.
+ * @param pipe_number The Pipe ID
+ * @param buffer The data to write to the pipe.
+ */
+void PipeWrite(u32 pipe_number, const std::vector<u8>& buffer);
+
+} // namespace HLE
+} // namespace DSP
-- 
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