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177862317a
Add a KUnit test for the cs-amp-lib library. This has test cases for cs_amp_get_efi_calibration_data() and cs_amp_write_cal_coeffs(). A KUNIT_STATIC_STUB_REDIRECT() has been added to cs_amp_get_efi_variable() and cs_amp_write_cal_coeff() so that the KUnit test can redirect these to test harness functions. Much of the testing involves invoking the same function with different parameters, i.e. the number of amps and the amp index within the array. This uses parameterization rather than looping. The idea is to avoid looping over configurations within one test case as that has a higher chance of having a bug that doesn't actually test all the expected cases. Having the test run exactly one configuration, and then tear-down, is less prone to accidentally skipped configurations. Signed-off-by: Richard Fitzgerald <rf@opensource.cirrus.com> Link: https://msgid.link/r/20240304143705.26362-1-rf@opensource.cirrus.com Signed-off-by: Mark Brown <broonie@kernel.org>
67 lines
1.7 KiB
C
67 lines
1.7 KiB
C
/* SPDX-License-Identifier: GPL-2.0-only */
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/*
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* Copyright (C) 2024 Cirrus Logic, Inc. and
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* Cirrus Logic International Semiconductor Ltd.
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*/
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#ifndef CS_AMP_LIB_H
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#define CS_AMP_LIB_H
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#include <linux/efi.h>
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#include <linux/types.h>
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struct cs_dsp;
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struct cirrus_amp_cal_data {
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u32 calTarget[2];
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u32 calTime[2];
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s8 calAmbient;
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u8 calStatus;
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u16 calR;
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} __packed;
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struct cirrus_amp_efi_data {
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u32 size;
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u32 count;
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struct cirrus_amp_cal_data data[];
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} __packed;
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/**
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* struct cirrus_amp_cal_controls - definition of firmware calibration controls
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* @alg_id: ID of algorithm containing the controls.
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* @mem_region: DSP memory region containing the controls.
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* @ambient: Name of control for calAmbient value.
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* @calr: Name of control for calR value.
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* @status: Name of control for calStatus value.
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* @checksum: Name of control for checksum value.
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*/
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struct cirrus_amp_cal_controls {
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unsigned int alg_id;
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int mem_region;
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const char *ambient;
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const char *calr;
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const char *status;
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const char *checksum;
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};
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int cs_amp_write_cal_coeffs(struct cs_dsp *dsp,
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const struct cirrus_amp_cal_controls *controls,
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const struct cirrus_amp_cal_data *data);
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int cs_amp_get_efi_calibration_data(struct device *dev, u64 target_uid, int amp_index,
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struct cirrus_amp_cal_data *out_data);
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struct cs_amp_test_hooks {
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efi_status_t (*get_efi_variable)(efi_char16_t *name,
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efi_guid_t *guid,
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unsigned long *size,
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void *buf);
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int (*write_cal_coeff)(struct cs_dsp *dsp,
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const struct cirrus_amp_cal_controls *controls,
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const char *ctl_name, u32 val);
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};
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extern const struct cs_amp_test_hooks * const cs_amp_test_hooks;
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#endif /* CS_AMP_LIB_H */
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