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tests: audio: Add unit test for eq_fir
Add ZTest unit test validating module creation, configuration, prepare, copy, and teardown lifecycle for the eq_fir component. Includes passthrough configuration blob for 2-channel operation. Signed-off-by: Liam Girdwood <liam.r.girdwood@linux.intel.com>
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‎zephyr/test/audio/blobs/eq_fir_passthrough_2ch.h‎

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/* SPDX-License-Identifier: BSD-3-Clause
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*
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* Copyright(c) 2026 Intel Corporation.
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*
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* EQ FIR passthrough config for 2 channels
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* Auto-generated by gen_ztest_blobs.m - do not edit.
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*/
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#ifndef ZTEST_BLOB_EQ_FIR_BLOB_H
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#define ZTEST_BLOB_EQ_FIR_BLOB_H
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#include <stdint.h>
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static const uint32_t eq_fir_blob[22] = {
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0x34464f53, 0x00000000, 0x00000038, 0x0301d001,
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0x00000000, 0x00000000, 0x00000000, 0x00000000,
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0x00000038, 0x00010002, 0x00000000, 0x00000000,
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0x00000000, 0x00000000, 0x00000000, 0xffff0004,
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0x00000000, 0x00000000, 0x00000000, 0x00000000,
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0x00004000, 0x00000000
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};
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#endif /* ZTEST_BLOB_EQ_FIR_BLOB_H */

‎zephyr/test/audio/test_eq_fir.c‎

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// SPDX-License-Identifier: BSD-3-Clause
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/*
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* Copyright(c) 2026 Intel Corporation.
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*/
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#include <zephyr/kernel.h>
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#include <zephyr/ztest.h>
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#include <string.h>
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#include <rtos/sof.h>
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#include <sof/list.h>
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#include <sof/audio/component.h>
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#include <sof/audio/component_ext.h>
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#include <sof/audio/pipeline.h>
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#include <sof/ipc/topology.h>
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#include <ipc4/base-config.h>
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#include <rtos/alloc.h>
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#include <user/eq.h>
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#include <user/fir.h>
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#include "test_audio_helper.h"
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extern void sys_comp_module_eq_fir_interface_init(void);
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static void *setup(void)
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{
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struct sof *sof = sof_get();
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sys_comp_init(sof);
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if (!sof->ipc) {
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sof->ipc = rzalloc(SOF_MEM_FLAG_COHERENT, sizeof(*sof->ipc));
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sof->ipc->comp_data = rzalloc(SOF_MEM_FLAG_COHERENT, 4096);
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k_spinlock_init(&sof->ipc->lock);
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list_init(&sof->ipc->msg_list);
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list_init(&sof->ipc->comp_list);
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}
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sys_comp_module_eq_fir_interface_init();
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return NULL;
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}
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/* EQ_FIR_UUID */
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SOF_DEFINE_UUID("eq_fir_test", eq_fir_test_uuid, 0x43a90ce7, 0xf3a5, 0x41df,
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0xac, 0x06, 0xba, 0x98, 0x65, 0x1a, 0xe6, 0xa3);
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struct custom_ipc4_config_eq_fir {
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struct ipc4_base_module_cfg base;
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} __attribute__((packed, aligned(4)));
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/* Test EQ_FIR initialization */
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static struct comp_dev *test_eq_fir_create(void)
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{
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struct comp_dev *comp;
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struct comp_ipc_config ipc_config;
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struct ipc_config_process spec;
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struct custom_ipc4_config_eq_fir init_data;
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memset(&init_data, 0, sizeof(init_data));
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memset(&init_data.base.audio_fmt, 0, sizeof(init_data.base.audio_fmt));
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init_data.base.audio_fmt.channels_count = 2;
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init_data.base.audio_fmt.sampling_frequency = 48000;
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init_data.base.audio_fmt.depth = 32;
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init_data.base.audio_fmt.valid_bit_depth = 32;
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init_data.base.audio_fmt.interleaving_style = IPC4_CHANNELS_INTERLEAVED;
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/* Setup basic IPC configuration */
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memset(&ipc_config, 0, sizeof(ipc_config));
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ipc_config.id = 1;
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ipc_config.pipeline_id = 1;
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ipc_config.core = 0;
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memset(&spec, 0, sizeof(spec));
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spec.size = sizeof(init_data);
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spec.data = (unsigned char *)&init_data;
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struct list_item *clist;
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const struct comp_driver *drv = NULL;
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/* Find EQ_FIR driver by UUID */
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list_for_item(clist, &comp_drivers_get()->list) {
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struct comp_driver_info *info = container_of(clist, struct comp_driver_info, list);
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if (!info->drv->uid) continue;
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if (!memcmp(info->drv->uid, &eq_fir_test_uuid, sizeof(struct sof_uuid))) {
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drv = info->drv;
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break;
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}
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}
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zassert_not_null(drv, "Driver for EQ_FIR not found");
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/* Initialize EQ_FIR component via ops */
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comp = drv->ops.create(drv, &ipc_config, &spec);
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zassert_not_null(comp, "Component allocation failed");
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return comp;
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}
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ZTEST(audio_eq_fir, test_eq_fir_init)
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{
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struct comp_dev *comp = test_eq_fir_create();
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/* Verify component state */
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zassert_equal(comp->state, COMP_STATE_READY, "Component is not in READY state");
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zassert_equal(comp->ipc_config.id, 1, "IPC ID mismatch");
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/* Free the component */
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comp->drv->ops.free(comp);
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}
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/* Use generated passthrough config blob */
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#include "blobs/eq_fir_passthrough_2ch.h"
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ZTEST(audio_eq_fir, test_eq_fir_config)
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{
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struct comp_dev *comp = test_eq_fir_create();
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/* Apply generated config blob before processing (skip 32-byte ABI header) */
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if (comp->drv->ops.set_large_config) {
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int ret = comp->drv->ops.set_large_config(comp, 1, true, true,
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sizeof(eq_fir_blob) - 32, (uint8_t *)eq_fir_blob + 32);
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zassert_equal(ret, 0, "set_large_config failed");
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}
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comp->drv->ops.free(comp);
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}
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ZTEST(audio_eq_fir, test_eq_fir_process)
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{
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struct comp_dev *comp = test_eq_fir_create();
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/* Apply generated config blob before processing (skip 32-byte ABI header) */
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if (comp->drv->ops.set_large_config) {
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int ret = comp->drv->ops.set_large_config(comp, 1, true, true,
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sizeof(eq_fir_blob) - 32, (uint8_t *)eq_fir_blob + 32);
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zassert_true(ret >= 0, "set_large_config failed: %d", ret);
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}
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struct sof_ipc_stream_params params = {0};
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params.buffer_fmt = SOF_IPC_BUFFER_INTERLEAVED;
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params.channels = 2;
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params.rate = 48000;
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params.sample_container_bytes = 4;
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params.sample_valid_bytes = 4;
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test_audio_helper_setup_buffers(comp, 4096, &params);
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test_audio_helper_process(comp);
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test_audio_helper_free_buffers(comp);
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comp->drv->ops.free(comp);
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}
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ZTEST(audio_eq_fir, test_eq_fir_params)
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{
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struct comp_dev *comp = test_eq_fir_create();
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struct sof_ipc_stream_params params;
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int ret;
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memset(&params, 0, sizeof(params));
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params.channels = 2;
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params.rate = 48000;
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params.sample_container_bytes = 4;
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params.sample_valid_bytes = 4;
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params.buffer_fmt = SOF_IPC_BUFFER_INTERLEAVED;
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/* Configure parameters */
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ret = comp->drv->ops.params(comp, &params);
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zassert_true(ret >= 0, "EQ_FIR parameter setup failed");
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comp->drv->ops.free(comp);
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}
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ZTEST_SUITE(audio_eq_fir, NULL, setup, NULL, NULL, NULL);

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