// SPDX-License-Identifier: GPL-2.0-only // // KUnit test for the Cirrus common amplifier library. // // Copyright (C) 2024 Cirrus Logic, Inc. and // Cirrus Logic International Semiconductor Ltd. #include #include #include #include #include #include #include #include #include #include struct cs_amp_lib_test_priv { struct platform_device amp_pdev; struct cirrus_amp_efi_data *cal_blob; struct list_head ctl_write_list; }; struct cs_amp_lib_test_ctl_write_entry { struct list_head list; unsigned int value; char name[16]; }; struct cs_amp_lib_test_param { int num_amps; int amp_index; }; static void cs_amp_lib_test_init_dummy_cal_blob(struct kunit *test, int num_amps) { struct cs_amp_lib_test_priv *priv = test->priv; unsigned int blob_size; int i; blob_size = offsetof(struct cirrus_amp_efi_data, data) + sizeof(struct cirrus_amp_cal_data) * num_amps; priv->cal_blob = kunit_kzalloc(test, blob_size, GFP_KERNEL); KUNIT_ASSERT_NOT_NULL(test, priv->cal_blob); priv->cal_blob->size = blob_size; priv->cal_blob->count = num_amps; get_random_bytes(priv->cal_blob->data, sizeof(struct cirrus_amp_cal_data) * num_amps); /* Ensure all timestamps are non-zero to mark the entry valid. */ for (i = 0; i < num_amps; i++) priv->cal_blob->data[i].calTime[0] |= 1; /* Ensure that all UIDs are non-zero and unique. */ for (i = 0; i < num_amps; i++) *(u8 *)&priv->cal_blob->data[i].calTarget[0] = i + 1; } static u64 cs_amp_lib_test_get_target_uid(struct kunit *test) { struct cs_amp_lib_test_priv *priv = test->priv; const struct cs_amp_lib_test_param *param = test->param_value; u64 uid; uid = priv->cal_blob->data[param->amp_index].calTarget[1]; uid <<= 32; uid |= priv->cal_blob->data[param->amp_index].calTarget[0]; return uid; } /* Redirected get_efi_variable to simulate that the file is too short */ static efi_status_t cs_amp_lib_test_get_efi_variable_nohead(efi_char16_t *name, efi_guid_t *guid, unsigned long *size, void *buf) { if (!buf) { *size = offsetof(struct cirrus_amp_efi_data, data) - 1; return EFI_BUFFER_TOO_SMALL; } return EFI_NOT_FOUND; } /* Should return -EOVERFLOW if the header is larger than the EFI data */ static void cs_amp_lib_test_cal_data_too_short_test(struct kunit *test) { struct cs_amp_lib_test_priv *priv = test->priv; struct cirrus_amp_cal_data result_data; int ret; /* Redirect calls to get EFI data */ kunit_activate_static_stub(test, cs_amp_test_hooks->get_efi_variable, cs_amp_lib_test_get_efi_variable_nohead); ret = cs_amp_get_efi_calibration_data(&priv->amp_pdev.dev, 0, 0, &result_data); KUNIT_EXPECT_EQ(test, ret, -EOVERFLOW); kunit_deactivate_static_stub(test, cs_amp_test_hooks->get_efi_variable); } /* Redirected get_efi_variable to simulate that the count is larger than the file */ static efi_status_t cs_amp_lib_test_get_efi_variable_bad_count(efi_char16_t *name, efi_guid_t *guid, unsigned long *size, void *buf) { struct kunit *test = kunit_get_current_test(); struct cs_amp_lib_test_priv *priv = test->priv; if (!buf) { /* * Return a size that is shorter than required for the * declared number of entries. */ *size = priv->cal_blob->size - 1; return EFI_BUFFER_TOO_SMALL; } memcpy(buf, priv->cal_blob, priv->cal_blob->size - 1); return EFI_SUCCESS; } /* Should return -EOVERFLOW if the entry count is larger than the EFI data */ static void cs_amp_lib_test_cal_count_too_big_test(struct kunit *test) { struct cs_amp_lib_test_priv *priv = test->priv; struct cirrus_amp_cal_data result_data; int ret; cs_amp_lib_test_init_dummy_cal_blob(test, 8); /* Redirect calls to get EFI data */ kunit_activate_static_stub(test, cs_amp_test_hooks->get_efi_variable, cs_amp_lib_test_get_efi_variable_bad_count); ret = cs_amp_get_efi_calibration_data(&priv->amp_pdev.dev, 0, 0, &result_data); KUNIT_EXPECT_EQ(test, ret, -EOVERFLOW); kunit_deactivate_static_stub(test, cs_amp_test_hooks->get_efi_variable); } /* Redirected get_efi_variable to simulate that the variable not found */ static efi_status_t cs_amp_lib_test_get_efi_variable_none(efi_char16_t *name, efi_guid_t *guid, unsigned long *size, void *buf) { return EFI_NOT_FOUND; } /* If EFI doesn't contain a cal data variable the result should be -ENOENT */ static void cs_amp_lib_test_no_cal_data_test(struct kunit *test) { struct cs_amp_lib_test_priv *priv = test->priv; struct cirrus_amp_cal_data result_data; int ret; /* Redirect calls to get EFI data */ kunit_activate_static_stub(test, cs_amp_test_hooks->get_efi_variable, cs_amp_lib_test_get_efi_variable_none); ret = cs_amp_get_efi_calibration_data(&priv->amp_pdev.dev, 0, 0, &result_data); KUNIT_EXPECT_EQ(test, ret, -ENOENT); kunit_deactivate_static_stub(test, cs_amp_test_hooks->get_efi_variable); } /* Redirected get_efi_variable to simulate reading a cal data blob */ static efi_status_t cs_amp_lib_test_get_efi_variable(efi_char16_t *name, efi_guid_t *guid, unsigned long *size, void *buf) { static const efi_char16_t expected_name[] = L"CirrusSmartAmpCalibrationData"; static const efi_guid_t expected_guid = EFI_GUID(0x02f9af02, 0x7734, 0x4233, 0xb4, 0x3d, 0x93, 0xfe, 0x5a, 0xa3, 0x5d, 0xb3); struct kunit *test = kunit_get_current_test(); struct cs_amp_lib_test_priv *priv = test->priv; KUNIT_EXPECT_NOT_ERR_OR_NULL(test, name); KUNIT_EXPECT_NOT_ERR_OR_NULL(test, guid); KUNIT_EXPECT_NOT_ERR_OR_NULL(test, size); KUNIT_EXPECT_MEMEQ(test, name, expected_name, sizeof(expected_name)); KUNIT_EXPECT_MEMEQ(test, guid, &expected_guid, sizeof(expected_guid)); if (!buf) { *size = priv->cal_blob->size; return EFI_BUFFER_TOO_SMALL; } KUNIT_ASSERT_GE_MSG(test, ksize(buf), priv->cal_blob->size, "Buffer to small"); memcpy(buf, priv->cal_blob, priv->cal_blob->size); return EFI_SUCCESS; } /* Get cal data block for a given amp, matched by target UID. */ static void cs_amp_lib_test_get_efi_cal_by_uid_test(struct kunit *test) { struct cs_amp_lib_test_priv *priv = test->priv; const struct cs_amp_lib_test_param *param = test->param_value; struct cirrus_amp_cal_data result_data; u64 target_uid; int ret; cs_amp_lib_test_init_dummy_cal_blob(test, param->num_amps); /* Redirect calls to get EFI data */ kunit_activate_static_stub(test, cs_amp_test_hooks->get_efi_variable, cs_amp_lib_test_get_efi_variable); target_uid = cs_amp_lib_test_get_target_uid(test); ret = cs_amp_get_efi_calibration_data(&priv->amp_pdev.dev, target_uid, -1, &result_data); KUNIT_EXPECT_EQ(test, ret, 0); kunit_deactivate_static_stub(test, cs_amp_test_hooks->get_efi_variable); KUNIT_EXPECT_EQ(test, result_data.calTarget[0], target_uid & 0xFFFFFFFFULL); KUNIT_EXPECT_EQ(test, result_data.calTarget[1], target_uid >> 32); KUNIT_EXPECT_EQ(test, result_data.calTime[0], priv->cal_blob->data[param->amp_index].calTime[0]); KUNIT_EXPECT_EQ(test, result_data.calTime[1], priv->cal_blob->data[param->amp_index].calTime[1]); KUNIT_EXPECT_EQ(test, result_data.calAmbient, priv->cal_blob->data[param->amp_index].calAmbient); KUNIT_EXPECT_EQ(test, result_data.calStatus, priv->cal_blob->data[param->amp_index].calStatus); KUNIT_EXPECT_EQ(test, result_data.calR, priv->cal_blob->data[param->amp_index].calR); } /* Get cal data block for a given amp index without checking target UID. */ static void cs_amp_lib_test_get_efi_cal_by_index_unchecked_test(struct kunit *test) { struct cs_amp_lib_test_priv *priv = test->priv; const struct cs_amp_lib_test_param *param = test->param_value; struct cirrus_amp_cal_data result_data; int ret; cs_amp_lib_test_init_dummy_cal_blob(test, param->num_amps); /* Redirect calls to get EFI data */ kunit_activate_static_stub(test, cs_amp_test_hooks->get_efi_variable, cs_amp_lib_test_get_efi_variable); ret = cs_amp_get_efi_calibration_data(&priv->amp_pdev.dev, 0, param->amp_index, &result_data); KUNIT_EXPECT_EQ(test, ret, 0); kunit_deactivate_static_stub(test, cs_amp_test_hooks->get_efi_variable); KUNIT_EXPECT_EQ(test, result_data.calTime[0], priv->cal_blob->data[param->amp_index].calTime[0]); KUNIT_EXPECT_EQ(test, result_data.calTime[1], priv->cal_blob->data[param->amp_index].calTime[1]); KUNIT_EXPECT_EQ(test, result_data.calAmbient, priv->cal_blob->data[param->amp_index].calAmbient); KUNIT_EXPECT_EQ(test, result_data.calStatus, priv->cal_blob->data[param->amp_index].calStatus); KUNIT_EXPECT_EQ(test, result_data.calR, priv->cal_blob->data[param->amp_index].calR); } /* Get cal data block for a given amp index with checked target UID. */ static void cs_amp_lib_test_get_efi_cal_by_index_checked_test(struct kunit *test) { struct cs_amp_lib_test_priv *priv = test->priv; const struct cs_amp_lib_test_param *param = test->param_value; struct cirrus_amp_cal_data result_data; u64 target_uid; int ret; cs_amp_lib_test_init_dummy_cal_blob(test, param->num_amps); /* Redirect calls to get EFI data */ kunit_activate_static_stub(test, cs_amp_test_hooks->get_efi_variable, cs_amp_lib_test_get_efi_variable); target_uid = cs_amp_lib_test_get_target_uid(test); ret = cs_amp_get_efi_calibration_data(&priv->amp_pdev.dev, target_uid, param->amp_index, &result_data); KUNIT_EXPECT_EQ(test, ret, 0); kunit_deactivate_static_stub(test, cs_amp_test_hooks->get_efi_variable); KUNIT_EXPECT_EQ(test, result_data.calTime[0], priv->cal_blob->data[param->amp_index].calTime[0]); KUNIT_EXPECT_EQ(test, result_data.calTime[1], priv->cal_blob->data[param->amp_index].calTime[1]); KUNIT_EXPECT_EQ(test, result_data.calAmbient, priv->cal_blob->data[param->amp_index].calAmbient); KUNIT_EXPECT_EQ(test, result_data.calStatus, priv->cal_blob->data[param->amp_index].calStatus); KUNIT_EXPECT_EQ(test, result_data.calR, priv->cal_blob->data[param->amp_index].calR); } /* * Get cal data block for a given amp index with checked target UID. * The UID does not match so the result should be -ENOENT. */ static void cs_amp_lib_test_get_efi_cal_by_index_uid_mismatch_test(struct kunit *test) { struct cs_amp_lib_test_priv *priv = test->priv; const struct cs_amp_lib_test_param *param = test->param_value; struct cirrus_amp_cal_data result_data; u64 target_uid; int ret; cs_amp_lib_test_init_dummy_cal_blob(test, param->num_amps); /* Redirect calls to get EFI data */ kunit_activate_static_stub(test, cs_amp_test_hooks->get_efi_variable, cs_amp_lib_test_get_efi_variable); /* Get a target UID that won't match the entry */ target_uid = ~cs_amp_lib_test_get_target_uid(test); ret = cs_amp_get_efi_calibration_data(&priv->amp_pdev.dev, target_uid, param->amp_index, &result_data); KUNIT_EXPECT_EQ(test, ret, -ENOENT); kunit_deactivate_static_stub(test, cs_amp_test_hooks->get_efi_variable); } /* * Get cal data block for a given amp, where the cal data does not * specify calTarget so the lookup falls back to using the index */ static void cs_amp_lib_test_get_efi_cal_by_index_fallback_test(struct kunit *test) { struct cs_amp_lib_test_priv *priv = test->priv; const struct cs_amp_lib_test_param *param = test->param_value; struct cirrus_amp_cal_data result_data; static const u64 bad_target_uid = 0xBADCA100BABABABAULL; int i, ret; cs_amp_lib_test_init_dummy_cal_blob(test, param->num_amps); /* Make all the target values zero so they are ignored */ for (i = 0; i < priv->cal_blob->count; ++i) { priv->cal_blob->data[i].calTarget[0] = 0; priv->cal_blob->data[i].calTarget[1] = 0; } /* Redirect calls to get EFI data */ kunit_activate_static_stub(test, cs_amp_test_hooks->get_efi_variable, cs_amp_lib_test_get_efi_variable); ret = cs_amp_get_efi_calibration_data(&priv->amp_pdev.dev, bad_target_uid, param->amp_index, &result_data); KUNIT_EXPECT_EQ(test, ret, 0); kunit_deactivate_static_stub(test, cs_amp_test_hooks->get_efi_variable); KUNIT_EXPECT_EQ(test, result_data.calTime[0], priv->cal_blob->data[param->amp_index].calTime[0]); KUNIT_EXPECT_EQ(test, result_data.calTime[1], priv->cal_blob->data[param->amp_index].calTime[1]); KUNIT_EXPECT_EQ(test, result_data.calAmbient, priv->cal_blob->data[param->amp_index].calAmbient); KUNIT_EXPECT_EQ(test, result_data.calStatus, priv->cal_blob->data[param->amp_index].calStatus); KUNIT_EXPECT_EQ(test, result_data.calR, priv->cal_blob->data[param->amp_index].calR); } /* * If the target UID isn't present in the cal data, and there isn't an * index to fall back do, the result should be -ENOENT. */ static void cs_amp_lib_test_get_efi_cal_uid_not_found_noindex_test(struct kunit *test) { struct cs_amp_lib_test_priv *priv = test->priv; struct cirrus_amp_cal_data result_data; static const u64 bad_target_uid = 0xBADCA100BABABABAULL; int i, ret; cs_amp_lib_test_init_dummy_cal_blob(test, 8); /* Make all the target values != bad_target_uid */ for (i = 0; i < priv->cal_blob->count; ++i) { priv->cal_blob->data[i].calTarget[0] &= ~(bad_target_uid & 0xFFFFFFFFULL); priv->cal_blob->data[i].calTarget[1] &= ~(bad_target_uid >> 32); } /* Redirect calls to get EFI data */ kunit_activate_static_stub(test, cs_amp_test_hooks->get_efi_variable, cs_amp_lib_test_get_efi_variable); ret = cs_amp_get_efi_calibration_data(&priv->amp_pdev.dev, bad_target_uid, -1, &result_data); KUNIT_EXPECT_EQ(test, ret, -ENOENT); kunit_deactivate_static_stub(test, cs_amp_test_hooks->get_efi_variable); } /* * If the target UID isn't present in the cal data, and the index is * out of range, the result should be -ENOENT. */ static void cs_amp_lib_test_get_efi_cal_uid_not_found_index_not_found_test(struct kunit *test) { struct cs_amp_lib_test_priv *priv = test->priv; struct cirrus_amp_cal_data result_data; static const u64 bad_target_uid = 0xBADCA100BABABABAULL; int i, ret; cs_amp_lib_test_init_dummy_cal_blob(test, 8); /* Make all the target values != bad_target_uid */ for (i = 0; i < priv->cal_blob->count; ++i) { priv->cal_blob->data[i].calTarget[0] &= ~(bad_target_uid & 0xFFFFFFFFULL); priv->cal_blob->data[i].calTarget[1] &= ~(bad_target_uid >> 32); } /* Redirect calls to get EFI data */ kunit_activate_static_stub(test, cs_amp_test_hooks->get_efi_variable, cs_amp_lib_test_get_efi_variable); ret = cs_amp_get_efi_calibration_data(&priv->amp_pdev.dev, bad_target_uid, 99, &result_data); KUNIT_EXPECT_EQ(test, ret, -ENOENT); kunit_deactivate_static_stub(test, cs_amp_test_hooks->get_efi_variable); } /* * If the target UID isn't given, and the index is out of range, the * result should be -ENOENT. */ static void cs_amp_lib_test_get_efi_cal_no_uid_index_not_found_test(struct kunit *test) { struct cs_amp_lib_test_priv *priv = test->priv; struct cirrus_amp_cal_data result_data; int ret; cs_amp_lib_test_init_dummy_cal_blob(test, 8); /* Redirect calls to get EFI data */ kunit_activate_static_stub(test, cs_amp_test_hooks->get_efi_variable, cs_amp_lib_test_get_efi_variable); ret = cs_amp_get_efi_calibration_data(&priv->amp_pdev.dev, 0, 99, &result_data); KUNIT_EXPECT_EQ(test, ret, -ENOENT); kunit_deactivate_static_stub(test, cs_amp_test_hooks->get_efi_variable); } /* If neither the target UID or the index is given the result should be -ENOENT. */ static void cs_amp_lib_test_get_efi_cal_no_uid_no_index_test(struct kunit *test) { struct cs_amp_lib_test_priv *priv = test->priv; struct cirrus_amp_cal_data result_data; int ret; cs_amp_lib_test_init_dummy_cal_blob(test, 8); /* Redirect calls to get EFI data */ kunit_activate_static_stub(test, cs_amp_test_hooks->get_efi_variable, cs_amp_lib_test_get_efi_variable); ret = cs_amp_get_efi_calibration_data(&priv->amp_pdev.dev, 0, -1, &result_data); KUNIT_EXPECT_EQ(test, ret, -ENOENT); kunit_deactivate_static_stub(test, cs_amp_test_hooks->get_efi_variable); } /* * If the UID is passed as 0 this must not match an entry with an * unpopulated calTarget */ static void cs_amp_lib_test_get_efi_cal_zero_not_matched_test(struct kunit *test) { struct cs_amp_lib_test_priv *priv = test->priv; struct cirrus_amp_cal_data result_data; int i, ret; cs_amp_lib_test_init_dummy_cal_blob(test, 8); /* Make all the target values zero so they are ignored */ for (i = 0; i < priv->cal_blob->count; ++i) { priv->cal_blob->data[i].calTarget[0] = 0; priv->cal_blob->data[i].calTarget[1] = 0; } /* Redirect calls to get EFI data */ kunit_activate_static_stub(test, cs_amp_test_hooks->get_efi_variable, cs_amp_lib_test_get_efi_variable); ret = cs_amp_get_efi_calibration_data(&priv->amp_pdev.dev, 0, -1, &result_data); KUNIT_EXPECT_EQ(test, ret, -ENOENT); kunit_deactivate_static_stub(test, cs_amp_test_hooks->get_efi_variable); } /* * If an entry has a timestamp of 0 it should be ignored even if it has * a matching target UID. */ static void cs_amp_lib_test_get_efi_cal_empty_entry_test(struct kunit *test) { struct cs_amp_lib_test_priv *priv = test->priv; struct cirrus_amp_cal_data result_data; u64 uid; cs_amp_lib_test_init_dummy_cal_blob(test, 8); /* Mark the 3rd entry invalid by zeroing calTime */ priv->cal_blob->data[2].calTime[0] = 0; priv->cal_blob->data[2].calTime[1] = 0; /* Get the UID value of the 3rd entry */ uid = priv->cal_blob->data[2].calTarget[1]; uid <<= 32; uid |= priv->cal_blob->data[2].calTarget[0]; /* Redirect calls to get EFI data */ kunit_activate_static_stub(test, cs_amp_test_hooks->get_efi_variable, cs_amp_lib_test_get_efi_variable); /* Lookup by UID should not find it */ KUNIT_EXPECT_EQ(test, cs_amp_get_efi_calibration_data(&priv->amp_pdev.dev, uid, -1, &result_data), -ENOENT); /* Get by index should ignore it */ KUNIT_EXPECT_EQ(test, cs_amp_get_efi_calibration_data(&priv->amp_pdev.dev, 0, 2, &result_data), -ENOENT); kunit_deactivate_static_stub(test, cs_amp_test_hooks->get_efi_variable); } static const struct cirrus_amp_cal_controls cs_amp_lib_test_calibration_controls = { .alg_id = 0x9f210, .mem_region = WMFW_ADSP2_YM, .ambient = "CAL_AMBIENT", .calr = "CAL_R", .status = "CAL_STATUS", .checksum = "CAL_CHECKSUM", }; static int cs_amp_lib_test_write_cal_coeff(struct cs_dsp *dsp, const struct cirrus_amp_cal_controls *controls, const char *ctl_name, u32 val) { struct kunit *test = kunit_get_current_test(); struct cs_amp_lib_test_priv *priv = test->priv; struct cs_amp_lib_test_ctl_write_entry *entry; KUNIT_ASSERT_NOT_ERR_OR_NULL(test, ctl_name); KUNIT_EXPECT_PTR_EQ(test, controls, &cs_amp_lib_test_calibration_controls); entry = kunit_kzalloc(test, sizeof(*entry), GFP_KERNEL); KUNIT_ASSERT_NOT_ERR_OR_NULL(test, entry); INIT_LIST_HEAD(&entry->list); strscpy(entry->name, ctl_name, sizeof(entry->name)); entry->value = val; list_add_tail(&entry->list, &priv->ctl_write_list); return 0; } static void cs_amp_lib_test_write_cal_data_test(struct kunit *test) { struct cs_amp_lib_test_priv *priv = test->priv; struct cs_amp_lib_test_ctl_write_entry *entry; struct cirrus_amp_cal_data data; struct cs_dsp *dsp; int ret; dsp = kunit_kzalloc(test, sizeof(*dsp), GFP_KERNEL); KUNIT_ASSERT_NOT_ERR_OR_NULL(test, dsp); dsp->dev = &priv->amp_pdev.dev; get_random_bytes(&data, sizeof(data)); /* Redirect calls to write firmware controls */ kunit_activate_static_stub(test, cs_amp_test_hooks->write_cal_coeff, cs_amp_lib_test_write_cal_coeff); ret = cs_amp_write_cal_coeffs(dsp, &cs_amp_lib_test_calibration_controls, &data); KUNIT_EXPECT_EQ(test, ret, 0); kunit_deactivate_static_stub(test, cs_amp_test_hooks->write_cal_coeff); KUNIT_EXPECT_EQ(test, list_count_nodes(&priv->ctl_write_list), 4); /* Checksum control must be written last */ entry = list_last_entry(&priv->ctl_write_list, typeof(*entry), list); KUNIT_EXPECT_STREQ(test, entry->name, cs_amp_lib_test_calibration_controls.checksum); KUNIT_EXPECT_EQ(test, entry->value, data.calR + 1); list_del(&entry->list); entry = list_first_entry(&priv->ctl_write_list, typeof(*entry), list); KUNIT_EXPECT_STREQ(test, entry->name, cs_amp_lib_test_calibration_controls.ambient); KUNIT_EXPECT_EQ(test, entry->value, data.calAmbient); list_del(&entry->list); entry = list_first_entry(&priv->ctl_write_list, typeof(*entry), list); KUNIT_EXPECT_STREQ(test, entry->name, cs_amp_lib_test_calibration_controls.calr); KUNIT_EXPECT_EQ(test, entry->value, data.calR); list_del(&entry->list); entry = list_first_entry(&priv->ctl_write_list, typeof(*entry), list); KUNIT_EXPECT_STREQ(test, entry->name, cs_amp_lib_test_calibration_controls.status); KUNIT_EXPECT_EQ(test, entry->value, data.calStatus); } static void cs_amp_lib_test_dev_release(struct device *dev) { } static int cs_amp_lib_test_case_init(struct kunit *test) { struct cs_amp_lib_test_priv *priv; int ret; KUNIT_ASSERT_NOT_NULL(test, cs_amp_test_hooks); priv = kunit_kzalloc(test, sizeof(*priv), GFP_KERNEL); if (!priv) return -ENOMEM; test->priv = priv; INIT_LIST_HEAD(&priv->ctl_write_list); /* Create dummy amp driver dev */ priv->amp_pdev.name = "cs_amp_lib_test_drv"; priv->amp_pdev.id = -1; priv->amp_pdev.dev.release = cs_amp_lib_test_dev_release; ret = platform_device_register(&priv->amp_pdev); KUNIT_ASSERT_GE_MSG(test, ret, 0, "Failed to register amp platform device\n"); return 0; } static void cs_amp_lib_test_case_exit(struct kunit *test) { struct cs_amp_lib_test_priv *priv = test->priv; if (priv->amp_pdev.name) platform_device_unregister(&priv->amp_pdev); } static const struct cs_amp_lib_test_param cs_amp_lib_test_get_cal_param_cases[] = { { .num_amps = 2, .amp_index = 0 }, { .num_amps = 2, .amp_index = 1 }, { .num_amps = 3, .amp_index = 0 }, { .num_amps = 3, .amp_index = 1 }, { .num_amps = 3, .amp_index = 2 }, { .num_amps = 4, .amp_index = 0 }, { .num_amps = 4, .amp_index = 1 }, { .num_amps = 4, .amp_index = 2 }, { .num_amps = 4, .amp_index = 3 }, { .num_amps = 5, .amp_index = 0 }, { .num_amps = 5, .amp_index = 1 }, { .num_amps = 5, .amp_index = 2 }, { .num_amps = 5, .amp_index = 3 }, { .num_amps = 5, .amp_index = 4 }, { .num_amps = 6, .amp_index = 0 }, { .num_amps = 6, .amp_index = 1 }, { .num_amps = 6, .amp_index = 2 }, { .num_amps = 6, .amp_index = 3 }, { .num_amps = 6, .amp_index = 4 }, { .num_amps = 6, .amp_index = 5 }, { .num_amps = 8, .amp_index = 0 }, { .num_amps = 8, .amp_index = 1 }, { .num_amps = 8, .amp_index = 2 }, { .num_amps = 8, .amp_index = 3 }, { .num_amps = 8, .amp_index = 4 }, { .num_amps = 8, .amp_index = 5 }, { .num_amps = 8, .amp_index = 6 }, { .num_amps = 8, .amp_index = 7 }, }; static void cs_amp_lib_test_get_cal_param_desc(const struct cs_amp_lib_test_param *param, char *desc) { snprintf(desc, KUNIT_PARAM_DESC_SIZE, "num_amps:%d amp_index:%d", param->num_amps, param->amp_index); } KUNIT_ARRAY_PARAM(cs_amp_lib_test_get_cal, cs_amp_lib_test_get_cal_param_cases, cs_amp_lib_test_get_cal_param_desc); static struct kunit_case cs_amp_lib_test_cases[] = { /* Tests for getting calibration data from EFI */ KUNIT_CASE(cs_amp_lib_test_cal_data_too_short_test), KUNIT_CASE(cs_amp_lib_test_cal_count_too_big_test), KUNIT_CASE(cs_amp_lib_test_no_cal_data_test), KUNIT_CASE(cs_amp_lib_test_get_efi_cal_uid_not_found_noindex_test), KUNIT_CASE(cs_amp_lib_test_get_efi_cal_uid_not_found_index_not_found_test), KUNIT_CASE(cs_amp_lib_test_get_efi_cal_no_uid_index_not_found_test), KUNIT_CASE(cs_amp_lib_test_get_efi_cal_no_uid_no_index_test), KUNIT_CASE(cs_amp_lib_test_get_efi_cal_zero_not_matched_test), KUNIT_CASE_PARAM(cs_amp_lib_test_get_efi_cal_by_uid_test, cs_amp_lib_test_get_cal_gen_params), KUNIT_CASE_PARAM(cs_amp_lib_test_get_efi_cal_by_index_unchecked_test, cs_amp_lib_test_get_cal_gen_params), KUNIT_CASE_PARAM(cs_amp_lib_test_get_efi_cal_by_index_checked_test, cs_amp_lib_test_get_cal_gen_params), KUNIT_CASE_PARAM(cs_amp_lib_test_get_efi_cal_by_index_uid_mismatch_test, cs_amp_lib_test_get_cal_gen_params), KUNIT_CASE_PARAM(cs_amp_lib_test_get_efi_cal_by_index_fallback_test, cs_amp_lib_test_get_cal_gen_params), KUNIT_CASE(cs_amp_lib_test_get_efi_cal_empty_entry_test), /* Tests for writing calibration data */ KUNIT_CASE(cs_amp_lib_test_write_cal_data_test), { } /* terminator */ }; static struct kunit_suite cs_amp_lib_test_suite = { .name = "snd-soc-cs-amp-lib-test", .init = cs_amp_lib_test_case_init, .exit = cs_amp_lib_test_case_exit, .test_cases = cs_amp_lib_test_cases, }; kunit_test_suite(cs_amp_lib_test_suite); MODULE_IMPORT_NS("SND_SOC_CS_AMP_LIB"); MODULE_DESCRIPTION("KUnit test for Cirrus Logic amplifier library"); MODULE_AUTHOR("Richard Fitzgerald "); MODULE_LICENSE("GPL");