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-rw-r--r--src/mame/machine/iopdma.h58
1 files changed, 58 insertions, 0 deletions
diff --git a/src/mame/machine/iopdma.h b/src/mame/machine/iopdma.h
new file mode 100644
index 00000000000..f199e75df05
--- /dev/null
+++ b/src/mame/machine/iopdma.h
@@ -0,0 +1,58 @@
+// license:BSD-3-Clause
+// copyright-holders:Ryan Holtz
+/******************************************************************************
+*
+* Sony Playstation 2 IOP DMA device skeleton
+*
+* To Do:
+* Everything
+*
+*/
+
+#ifndef MAME_MACHINE_IOPDMA_H
+#define MAME_MACHINE_IOPDMA_H
+
+#pragma once
+
+#include "emu.h"
+
+class iop_dma_device : public device_t
+{
+public:
+ iop_dma_device(const machine_config &mconfig, const char *tag, device_t *owner, uint32_t clock);
+
+ DECLARE_READ32_MEMBER(ctrl0_r);
+ DECLARE_WRITE32_MEMBER(ctrl0_w);
+ DECLARE_READ32_MEMBER(ctrl1_r);
+ DECLARE_WRITE32_MEMBER(ctrl1_w);
+
+protected:
+ struct intctrl_t
+ {
+ uint8_t m_mask;
+ uint8_t m_status;
+ bool m_enabled;
+ };
+
+ struct channel_t
+ {
+ uint8_t m_priority;
+ bool m_enabled;
+ };
+
+ virtual void device_start() override;
+ virtual void device_reset() override;
+
+ void set_dpcr(uint32_t data, uint32_t index);
+ void set_dicr(uint32_t data, uint32_t index);
+ void update_interrupts();
+
+ uint32_t m_dpcr[2];
+ uint32_t m_dicr[2];
+ channel_t m_channels[16];
+ intctrl_t m_int_ctrl[2];
+};
+
+DECLARE_DEVICE_TYPE(SONYIOP_DMA, iop_dma_device)
+
+#endif // MAME_MACHINE_IOPDMA_H \ No newline at end of file