tdfb: enable building as an llext module

Add support for LLEXT building to tdfb.

Signed-off-by: Guennadi Liakhovetski <guennadi.liakhovetski@linux.intel.com>

app/configs/lnl/modules.conf

@@ -9,6 +9,7 @@ CONFIG_COMP_SEL=m
 CONFIG_COMP_SRC=m
 CONFIG_COMP_ASRC=m
 CONFIG_COMP_RTNR=m
+CONFIG_COMP_TDFB=m
 CONFIG_COMP_IGO_NR=m
 CONFIG_COMP_VOLUME=m
 CONFIG_COMP_DCBLOCK=m

app/configs/mtl/modules.conf

@@ -9,6 +9,7 @@ CONFIG_COMP_SEL=m
 CONFIG_COMP_SRC=m
 CONFIG_COMP_ASRC=m
 CONFIG_COMP_RTNR=m
+CONFIG_COMP_TDFB=m
 CONFIG_COMP_IGO_NR=m
 CONFIG_COMP_VOLUME=m
 CONFIG_COMP_DCBLOCK=m

src/audio/tdfb/Kconfig

@@ -1,13 +1,14 @@
 # SPDX-License-Identifier: BSD-3-Clause
 
 config COMP_TDFB
-	bool "TDFB component"
+	tristate "TDFB component"
 	depends on COMP_MODULE_ADAPTER
 	select MATH_FIR
 	select MATH_IIR_DF1
 	select SQRT_FIXED
 	select CORDIC_FIXED
 	select COMP_BLOB
+	default m if LIBRARY_DEFAULT_MODULAR
 	default y
 	help
 	  Select for time domain fixed beamformer (TDFB) component. The

src/audio/tdfb/llext/CMakeLists.txt

@@ -0,0 +1,11 @@
+# Copyright (c) 2024 Intel Corporation.
+# SPDX-License-Identifier: Apache-2.0
+
+sof_llext_build("tdfb"
+	SOURCES ../tdfb.c
+		../tdfb_direction.c
+		../tdfb_generic.c
+		../tdfb_hifiep.c
+		../tdfb_hifi3.c
+		../tdfb_ipc4.c
+)

src/audio/tdfb/llext/llext.toml.h

@@ -0,0 +1,6 @@
+#include <tools/rimage/config/platform.toml>
+#define LOAD_TYPE "2"
+#include "../tdfb.toml"
+
+[module]
+count = __COUNTER__

src/audio/tdfb/tdfb.c

@@ -613,7 +613,7 @@ static int tdfb_free(struct processing_module *mod)
 {
 	struct tdfb_comp_data *cd = module_get_private_data(mod);
 
-	comp_info(mod->dev, "tdfb_free()");
+	comp_dbg(mod->dev, "tdfb_free()");
 
 	ipc_msg_free(cd->msg);
 	tdfb_free_delaylines(cd);
@@ -797,7 +797,7 @@ static int tdfb_reset(struct processing_module *mod)
 	struct tdfb_comp_data *cd = module_get_private_data(mod);
 	int i;
 
-	comp_info(mod->dev, "tdfb_reset()");
+	comp_dbg(mod->dev, "tdfb_reset()");
 
 	tdfb_free_delaylines(cd);
 
@@ -824,3 +824,22 @@ static const struct module_interface tdfb_interface = {
 
 DECLARE_MODULE_ADAPTER(tdfb_interface, tdfb_uuid, tdfb_tr);
 SOF_MODULE_INIT(tdfb, sys_comp_module_tdfb_interface_init);
+
+#if CONFIG_COMP_TDFB_MODULE
+/* modular: llext dynamic link */
+
+#include <module/module/api_ver.h>
+#include <module/module/llext.h>
+#include <rimage/sof/user/manifest.h>
+
+#define UUID_TDFB 0x49, 0x17, 0x51, 0xdd, 0xfa, 0xd9, 0x5c, 0x45, 0xb3, 0xa7, \
+		  0x13, 0x58, 0x56, 0x93, 0xf1, 0xaf
+
+SOF_LLEXT_MOD_ENTRY(tdfb, &tdfb_interface);
+
+static const struct sof_man_module_manifest mod_manifest __section(".module") __used =
+	SOF_LLEXT_MODULE_MANIFEST("TDFB", tdfb_llext_entry, 1, UUID_TDFB, 40);
+
+SOF_LLEXT_BUILDINFO;
+
+#endif

src/audio/tdfb/tdfb.toml

@@ -1,3 +1,7 @@
+#ifndef LOAD_TYPE
+#define LOAD_TYPE "0"
+#endif
+
 	REM # TDFB module config
 	[[module.entry]]
 	name = "TDFB"
@@ -5,8 +9,8 @@
 	affinity_mask = "0x1"
 	instance_count = "40"
 	domain_types = "0"
-	load_type = "0"
-        init_config = "1"
+	load_type = LOAD_TYPE
+	init_config = "1"
 	module_type = "9"
 	auto_start = "0"
 	sched_caps = [1, 0x00008000]

zephyr/CMakeLists.txt

@@ -958,14 +958,20 @@ elseif(CONFIG_SAMPLE_SMART_AMP)
 	)
 endif()
 
-zephyr_library_sources_ifdef(CONFIG_COMP_TDFB
-	${SOF_AUDIO_PATH}/tdfb/tdfb.c
-	${SOF_AUDIO_PATH}/tdfb/tdfb_direction.c
-	${SOF_AUDIO_PATH}/tdfb/tdfb_generic.c
-	${SOF_AUDIO_PATH}/tdfb/tdfb_hifiep.c
-	${SOF_AUDIO_PATH}/tdfb/tdfb_hifi3.c
-	${SOF_AUDIO_PATH}/tdfb/tdfb_${ipc_suffix}.c
-)
+if(CONFIG_COMP_TDFB STREQUAL "m")
+	add_subdirectory(${SOF_AUDIO_PATH}/tdfb/llext
+			 ${PROJECT_BINARY_DIR}/tdfb_llext)
+	add_dependencies(app tdfb)
+elseif(CONFIG_COMP_TDFB)
+	zephyr_library_sources(
+		${SOF_AUDIO_PATH}/tdfb/tdfb.c
+		${SOF_AUDIO_PATH}/tdfb/tdfb_direction.c
+		${SOF_AUDIO_PATH}/tdfb/tdfb_generic.c
+		${SOF_AUDIO_PATH}/tdfb/tdfb_hifiep.c
+		${SOF_AUDIO_PATH}/tdfb/tdfb_hifi3.c
+		${SOF_AUDIO_PATH}/tdfb/tdfb_${ipc_suffix}.c
+	)
+endif()
 
 zephyr_library_sources_ifdef(CONFIG_SQRT_FIXED
 	${SOF_MATH_PATH}/sqrt_int16.c