module: volume: Rework module to use sink/source api

lmdk/cmake/build.cmake

@@ -11,7 +11,10 @@ include(${CMAKE_CURRENT_LIST_DIR}/config.cmake)
 
 # Build common module functions from sof to a static library
 add_library(sof STATIC)
-target_include_directories(sof PRIVATE "${SOF_BASE}/src/include")
+target_include_directories(sof PRIVATE
+	"${SOF_BASE}/src/include"
+	"${LMDK_BASE}/include"
+)
 add_subdirectory("${SOF_BASE}/src/module" module_api)
 
 foreach(MODULE ${MODULES_LIST})

lmdk/include/rtos/panic.h

@@ -0,0 +1,23 @@
+/* SPDX-License-Identifier: BSD-3-Clause
+ * 
+ * Copyright(c) 2026 Intel Corporation. All rights reserved.
+ * 
+ * Author: Piotr Hoppe <piotr.hoppe@intel.com>
+ */
+
+#ifndef __LMDK_RTOS_PANIC_H__
+#define __LMDK_RTOS_PANIC_H__
+
+#ifdef __cplusplus
+extern "C" {
+#endif
+
+/* runtime assertion */
+#define assert(x)	do { if (!(x)) while (1); } while (0)
+
+#ifdef __cplusplus
+}
+#endif
+
+#endif /* __LMDK_RTOS_PANIC_H__ */
+

lmdk/include/sof/math/numbers.h

@@ -0,0 +1,53 @@
+/* SPDX-License-Identifier: BSD-3-Clause
+ *
+ * Copyright(c) 2016 Intel Corporation. All rights reserved.
+ *
+ * Author: Seppo Ingalsuo <seppo.ingalsuo@linux.intel.com>
+ *         Liam Girdwood <liam.r.girdwood@linux.intel.com>
+ *         Keyon Jie <yang.jie@linux.intel.com>
+ */
+
+/*
+ * LMDK-local copy of <sof/math/numbers.h>.
+ *
+ * Loadable modules must not pull in the whole SOF src/include tree. This file
+ * mirrors the parts of the SOF header that the sink/source module API relies on
+ * (mainly the ROUND_UP/ROUND_DOWN/MIN/MAX helpers) so that the unchanged
+ * "#include <sof/math/numbers.h>" resolves inside the LMDK build without
+ * exposing the rest of the SOF headers.
+ */
+
+#ifndef __SOF_MATH_NUMBERS_H__
+#define __SOF_MATH_NUMBERS_H__
+
+#include <stdint.h>
+
+/* Unsafe and portable macros for consistency with Zephyr.
+ * See SEI CERT-C PRE31-C
+ */
+#define MIN(a, b) ((a) < (b) ? (a) : (b))
+#define MAX(a, b) ((a) < (b) ? (b) : (a))
+
+#define ROUND_DOWN(size, alignment) ({					\
+	__typeof__(size) __size = (size);				\
+	__typeof__(alignment) __alignment = (alignment);		\
+	__size - (__size % __alignment);				\
+})
+
+#define ROUND_UP(size, alignment) ({					\
+	__typeof__(size) __size = (size);				\
+	__typeof__(alignment) __alignment = (alignment);		\
+	((__size + __alignment - 1) / __alignment) * __alignment;	\
+})
+
+#define ABS(a) ({			\
+	__typeof__(a) __a = (a);	\
+	__a < 0 ? -__a : __a;		\
+})
+#define SGN(a) ({			\
+	__typeof__(a) __a = (a);	\
+	__a < 0 ? -1 :			\
+	__a > 0 ? 1 : 0;		\
+})
+
+#endif /* __SOF_MATH_NUMBERS_H__ */