// 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 <kunit/test.h>
#include <kunit/static_stub.h>
#include <linux/firmware/cirrus/cs_dsp.h>
#include <linux/firmware/cirrus/wmfw.h>
#include <linux/gpio/driver.h>
#include <linux/list.h>
#include <linux/module.h>
#include <linux/platform_device.h>
#include <linux/random.h>
#include <sound/cs-amp-lib.h>
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 <[email protected]>");
MODULE_LICENSE("GPL");
Codebase Browser
linux