Audio: Aria: Add tool to create configuration blobs for Aria

This script creates blobs for Aria to embed to topology. All
attenuation parameter values 0 - 3 are exported for use
in topologies.

Signed-off-by: Seppo Ingalsuo <[email protected]>

src/audio/aria/tune/sof_aria_blobs.m

@@ -0,0 +1,74 @@
+% Export configuration blobs for Aria
+
+% SPDX-License-Identifier: BSD-3-Clause
+%
+% Copyright (c) 2024, Intel Corporation.
+
+function sof_aria_blobs()
+
+	% Common definitions
+	sof_tools = '../../../../tools';
+	sof_tplg = fullfile(sof_tools, 'topology');
+	fn.tpath =  fullfile(sof_tplg, 'topology2/include/components/aria');
+
+	% Set the parameters here
+	sof_tools = '../../../../tools';
+	sof_tplg = fullfile(sof_tools, 'topology');
+	sof_tplg_aria = fullfile(sof_tplg, 'topology2/include/components/aria');
+
+	sof_aria_paths(true);
+
+	blob8 = sof_aria_build_blob(0);
+	tplg2_fn = sprintf("%s/passthrough.conf", sof_tplg_aria);
+	check_create_dir(tplg2_fn);
+	tplg2_write(tplg2_fn, blob8, "aria_config", ...
+		    "Exported with script sof_aria_blobs.m" , ...
+		    "cd tools/tune/aria; octave sof_aria_blobs.m");
+
+	for param = 1:3
+		blob8 = sof_aria_build_blob(param);
+		tplg2_fn = sprintf("%s/param_%d.conf", sof_tplg_aria, param);
+		tplg2_write(tplg2_fn, blob8, "aria_config", ...
+			    "Exported with script sof_aria_blobs.m" , ...
+			    "cd tools/tune/aria; octave sof_aria_blobs.m");
+	end
+
+	sof_aria_paths(false);
+end
+
+function sof_aria_paths(enable)
+
+	common = '../../../../tools/tune/common';
+	if enable
+		addpath(common);
+	else
+		rmpath(common);
+	end
+end
+
+function blob8 = sof_aria_build_blob(param_values)
+
+	blob_type = 0;
+	blob_param_id = 1; % ARIA_SET_ATTENUATION
+	data_length = length(param_values);
+	data_size = 4 * data_length;
+	ipc_ver = 4;
+	[abi_bytes, abi_size] = get_abi(data_size, ipc_ver, blob_type, blob_param_id);
+	blob_size = data_size + abi_size;
+	blob8 = uint8(zeros(1, blob_size));
+	blob8(1:abi_size) = abi_bytes;
+	j = abi_size + 1;
+	for i = 1:data_length
+		blob8(j:j+3) = word2byte(param_values(i));
+		j=j+4;
+	end
+end
+
+function bytes = word2byte(word)
+        sh = [0 -8 -16 -24];
+	bytes = uint8(zeros(1,4));
+	bytes(1) = bitand(bitshift(word, sh(1)), 255);
+	bytes(2) = bitand(bitshift(word, sh(2)), 255);
+	bytes(3) = bitand(bitshift(word, sh(3)), 255);
+	bytes(4) = bitand(bitshift(word, sh(4)), 255);
+end