modules: Add FIR filter module

arch/linux/configs/defconfig

@@ -22,6 +22,7 @@ CONFIG_DRC=y
 CONFIG_IIR_MBDRC=y
 CONFIG_GAIN=n
 CONFIG_SOFT_VOL=n
+CONFIG_FIR_FILTER=n
 
 #
 # Signal Processing Framework

modules/CMakeLists.txt

@@ -47,3 +47,6 @@ endif()
 if(CONFIG_SOFT_VOL)
     add_subdirectory(processing/volume_control/capi/soft_vol/build)
 endif()
+if(CONFIG_FIR_FILTER)
+    add_subdirectory(processing/filters/fir/build)
+endif()

modules/Kconfig

@@ -52,4 +52,8 @@ config GAIN
 config SOFT_VOL
         tristate "Enable SOFT_VOL Library"
         default n
+
+config FIR_FILTER
+        tristate "Enable FIR_FILTER Library"
+        default n
 endmenu

modules/processing/filters/fir/build/CMakeLists.txt

@@ -0,0 +1,43 @@
+#[[
+   @file CMakeLists.txt
+
+   @brief
+
+   @copyright
+   Copyright (c) Qualcomm Innovation Center, Inc. All Rights Reserved.
+   SPDX-License-Identifier: BSD-3-Clause-Clear
+]]
+cmake_minimum_required(VERSION 3.10)
+
+set(fir_sources
+    ${LIB_ROOT}/capi/src/capi_fir_filter.cpp
+    ${LIB_ROOT}/capi/src/capi_fir_filter_utils.cpp
+    ${LIB_ROOT}/capi/src/capi_fir_filter_utils_v2.cpp
+    ${LIB_ROOT}/capi/src/capi_fir_filter_xfade_utils.cpp
+    ${LIB_ROOT}/lib/src/fir_lib.c
+    ${LIB_ROOT}/lib/src/fir_lib_process.c
+)
+
+set(fir_includes
+    ${LIB_ROOT}/api
+    ${LIB_ROOT}/capi/inc
+    ${LIB_ROOT}/capi/src
+    ${LIB_ROOT}/lib/inc
+    ${LIB_ROOT}/lib/src
+)
+
+spf_module_sources(
+   KCONFIG     CONFIG_FIR_FILTER
+   NAME        fir
+   MAJOR_VER   1
+   MINOR_VER   0
+   AMDB_ITYPE  "capi"
+   AMDB_MTYPE  "PP"
+   AMDB_MID "0x07001022"
+   AMDB_TAG "capi_fir"
+   AMDB_MOD_NAME  "MODULE_ID_FIR_FILTER"
+   SRCS     ${fir_sources}
+   INCLUDES ${fir_includes}
+   H2XML_HEADERS  "${LIB_ROOT}/api/api_fir.h"
+   CFLAGS      ""
+)

modules/processing/filters/fir/capi/inc/capi_fir_filter.h

@@ -0,0 +1,47 @@
+/* ======================================================================== */
+/**
+   @file capi_fir_filter.h
+
+   Header file to implement the Common Audio Processor Interface v2 for
+   Fir Filter Library
+*/
+
+/* =========================================================================
+ * Copyright (c) Qualcomm Innovation Center, Inc. All Rights Reserved.
+ * SPDX-License-Identifier: BSD-3-Clause-Clear
+   ========================================================================== */
+
+/*------------------------------------------------------------------------
+ * Include files
+ * -----------------------------------------------------------------------*/
+#ifndef CAPI_FIR_FILTER_H
+#define CAPI_FIR_FILTER_H
+
+#include "capi.h"
+
+#ifdef __cplusplus
+extern "C"
+{
+#endif //__cplusplus
+
+
+/*------------------------------------------------------------------------
+ * Function declarations
+ * -----------------------------------------------------------------------*/
+
+capi_err_t capi_fir_get_static_properties (
+        capi_proplist_t *init_set_properties,
+        capi_proplist_t *static_properties);
+
+
+capi_err_t capi_fir_init (
+        capi_t*              _pif,
+        capi_proplist_t      *init_set_properties);
+
+
+
+#ifdef __cplusplus
+}
+#endif //__cplusplus
+
+#endif // CAPI_FIR_FILTER_H