1 files changed, 28 insertions, 0 deletions
diff --git a/lib/rp2040/hardware/structs/interp.h b/lib/rp2040/hardware/structs/interp.h
new file mode 100644
index 00000000..68375073
--- /dev/null
+++ b/lib/rp2040/hardware/structs/interp.h
@@ -0,0 +1,28 @@
+/*
+ * Copyright (c) 2020 Raspberry Pi (Trading) Ltd.
+ *
+ * SPDX-License-Identifier: BSD-3-Clause
+ */
+
+#ifndef _HARDWARE_STRUCTS_INTERP_H
+#define _HARDWARE_STRUCTS_INTERP_H
+
+#include "hardware/address_mapped.h"
+#include "hardware/platform_defs.h"
+#include "hardware/regs/sio.h"
+
+typedef struct {
+    io_rw_32 accum[2];
+    io_rw_32 base[3];
+    io_ro_32 pop[3];
+    io_ro_32 peek[3];
+    io_rw_32 ctrl[2];
+    io_rw_32 add_raw[2];
+    io_wo_32 base01;
+} interp_hw_t;
+
+#define interp_hw_array ((interp_hw_t *)(SIO_BASE + SIO_INTERP0_ACCUM0_OFFSET))
+#define interp0_hw (&interp_hw_array[0])
+#define interp1_hw (&interp_hw_array[1])
+
+#endif