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// SPDX-License-Identifier: GPL-2.0-or-later
//
// ohci-serdes-test.c - An application of Kunit to check serialization/deserialization of data in
// buffers and registers defined in 1394 OHCI specification.
//
// Copyright (c) 2024 Takashi Sakamoto
#include <kunit/test.h>
#include "ohci.h"
static void test_self_id_count_register_deserialization(struct kunit *test)
{
const u32 expected = 0x803d0594;
bool is_error = ohci1394_self_id_count_is_error(expected);
u8 generation = ohci1394_self_id_count_get_generation(expected);
u32 size = ohci1394_self_id_count_get_size(expected);
KUNIT_EXPECT_TRUE(test, is_error);
KUNIT_EXPECT_EQ(test, 0x3d, generation);
KUNIT_EXPECT_EQ(test, 0x165, size);
}
static void test_self_id_receive_buffer_deserialization(struct kunit *test)
{
const u32 buffer[] = {
0x0006f38b,
0x807fcc56,
0x7f8033a9,
0x8145cc5e,
0x7eba33a1,
};
u8 generation = ohci1394_self_id_receive_q0_get_generation(buffer[0]);
u16 timestamp = ohci1394_self_id_receive_q0_get_timestamp(buffer[0]);
KUNIT_EXPECT_EQ(test, 0x6, generation);
KUNIT_EXPECT_EQ(test, 0xf38b, timestamp);
}
static struct kunit_case ohci_serdes_test_cases[] = {
KUNIT_CASE(test_self_id_count_register_deserialization),
KUNIT_CASE(test_self_id_receive_buffer_deserialization),
{}
};
static struct kunit_suite ohci_serdes_test_suite = {
.name = "firewire-ohci-serdes",
.test_cases = ohci_serdes_test_cases,
};
kunit_test_suite(ohci_serdes_test_suite);
MODULE_DESCRIPTION("FireWire buffers and registers serialization/deserialization unit test suite");
MODULE_LICENSE("GPL");
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