audio_core/hle: move implementation of RecvDataIsReady

src/audio_core/dsp_interface.h

@@ -40,6 +40,13 @@ public:
      */
     virtual u16 RecvData(u32 register_number) = 0;
 
+    /**
+     * Checks whether data is ready in one of three DSP registers
+     * @param register_number the index of the register to check
+     * @returns true if data is ready
+     */
+    virtual bool RecvDataIsReady(u32 register_number) const = 0;
+
     /**
      * Reads `length` bytes from the DSP pipe identified with `pipe_number`.
      * @note Can read up to the maximum value of a u16 in bytes (65,535).

src/audio_core/hle/hle.cpp

@@ -30,6 +30,7 @@ public:
     DspState GetDspState() const;
 
     u16 RecvData(u32 register_number);
+    bool RecvDataIsReady(u32 register_number) const;
     std::vector<u8> PipeRead(DspPipe pipe_number, u32 length);
     std::size_t GetPipeReadableSize(DspPipe pipe_number) const;
     void PipeWrite(DspPipe pipe_number, const std::vector<u8>& buffer);
@@ -112,6 +113,11 @@ u16 DspHle::Impl::RecvData(u32 register_number) {
     }
 }
 
+bool DspHle::Impl::RecvDataIsReady(u32 register_number) const {
+    ASSERT_MSG(register_number == 0, "Unknown register_number {}", register_number);
+    return true;
+}
+
 std::vector<u8> DspHle::Impl::PipeRead(DspPipe pipe_number, u32 length) {
     const std::size_t pipe_index = static_cast<std::size_t>(pipe_number);
 
@@ -365,6 +371,10 @@ u16 DspHle::RecvData(u32 register_number) {
     return impl->RecvData(register_number);
 }
 
+bool DspHle::RecvDataIsReady(u32 register_number) const {
+    return impl->RecvDataIsReady(register_number);
+}
+
 std::vector<u8> DspHle::PipeRead(DspPipe pipe_number, u32 length) {
     return impl->PipeRead(pipe_number, length);
 }

src/audio_core/hle/hle.h

@@ -25,6 +25,7 @@ public:
     ~DspHle();
 
     u16 RecvData(u32 register_number) override;
+    bool RecvDataIsReady(u32 register_number) const override;
     std::vector<u8> PipeRead(DspPipe pipe_number, u32 length) override;
     std::size_t GetPipeReadableSize(DspPipe pipe_number) const override;
     void PipeWrite(DspPipe pipe_number, const std::vector<u8>& buffer) override;

src/core/hle/service/dsp/dsp_dsp.cpp

@@ -35,11 +35,9 @@ void DSP_DSP::RecvDataIsReady(Kernel::HLERequestContext& ctx) {
     IPC::RequestParser rp(ctx, 0x02, 1, 0);
     const u32 register_number = rp.Pop<u32>();
 
-    ASSERT_MSG(register_number == 0, "Unknown register_number {}", register_number);
-
     IPC::RequestBuilder rb = rp.MakeBuilder(2, 0);
     rb.Push(RESULT_SUCCESS);
-    rb.Push(true); /// 0 = not ready, 1 = ready to read
+    rb.Push(system.DSP().RecvDataIsReady(register_number));
 
     LOG_DEBUG(Service_DSP, "register_number={}", register_number);
 }