1 /*
2 * Copyright (c) 2024 Meta Platforms
3 *
4 * SPDX-License-Identifier: Apache-2.0
5 */
6
7 #include <zephyr/devicetree.h>
8 #include <zephyr/irq.h>
9 #include <zephyr/irq_multilevel.h>
10 #include <zephyr/ztest.h>
11
ZTEST(interrupt_feature,test_multi_level_api)12 ZTEST(interrupt_feature, test_multi_level_api)
13 {
14 /* Zephyr multilevel-encoded IRQ */
15 const uint32_t irqn_l3 = DT_IRQN(DT_NODELABEL(test_l3_irq));
16 const uint32_t irqn_l2 = DT_IRQN(DT_NODELABEL(test_l2_irq));
17 const uint32_t irqn_l1 = DT_IRQN(DT_NODELABEL(test_l1_irq));
18 /* Raw IRQ specified in the devicetree */
19 const uint32_t raw_l3 = DT_IRQ(DT_NODELABEL(test_l3_irq), irq);
20 const uint32_t raw_l2 = DT_IRQ(DT_NODELABEL(test_l2_irq), irq);
21 const uint32_t raw_l1 = DT_IRQ(DT_NODELABEL(test_l1_irq), irq);
22
23 /**
24 * - irq_get_level()
25 */
26 zassert_equal(3, irq_get_level(irqn_l3));
27 zassert_equal(2, irq_get_level(irqn_l2));
28 zassert_equal(1, irq_get_level(irqn_l1));
29
30 /**
31 * - irq_from_level_2()
32 * - irq_to_level_2()
33 * - irq_parent_level_2()
34 */
35 zassert_equal(irq_from_level_2(irqn_l3), raw_l2);
36 zassert_equal(irq_from_level_2(irqn_l2), raw_l2);
37
38 zassert_equal(irq_to_level_2(raw_l2) & irqn_l2, irq_to_level_2(raw_l2));
39
40 zassert_equal(irq_parent_level_2(irqn_l2), raw_l1);
41
42 /**
43 * - irq_from_level_3()
44 * - irq_to_level_3()
45 * - irq_parent_level_3()
46 */
47 zassert_equal(irq_from_level_3(irqn_l3), raw_l3);
48
49 zassert_equal(irq_to_level_3(raw_l3) & irqn_l3, irq_to_level_3(raw_l3));
50
51 zassert_equal(irq_parent_level_3(irqn_l3), raw_l2);
52
53 /**
54 * - irq_from_level()
55 * - irq_to_level()
56 * - irq_parent_level()
57 */
58 zassert_equal(irq_from_level(irqn_l3, 2), raw_l2);
59 zassert_equal(irq_from_level(irqn_l2, 2), raw_l2);
60 zassert_equal(irq_from_level(irqn_l3, 3), raw_l3);
61
62 zassert_equal(irq_to_level(raw_l2, 2) & irqn_l2, irq_to_level(raw_l2, 2));
63 zassert_equal(irq_to_level(raw_l3, 3) & irqn_l3, irq_to_level(raw_l3, 3));
64
65 zassert_equal(irq_parent_level(irqn_l2, 2), raw_l1);
66 zassert_equal(irq_parent_level(irqn_l3, 3), raw_l2);
67
68 /**
69 * - irq_get_intc_irq()
70 */
71 zassert_equal(irq_get_intc_irq(irqn_l3), irqn_l2);
72 zassert_equal(irq_get_intc_irq(irqn_l2), irqn_l1);
73 zassert_equal(irq_get_intc_irq(irqn_l1), irqn_l1);
74
75 const uint32_t irqn_l3_inc = DT_IRQN(DT_NODELABEL(test_l3_irq_inc));
76 const uint32_t irqn_l2_inc = DT_IRQN(DT_NODELABEL(test_l2_irq_inc));
77 const uint32_t irqn_l1_inc = DT_IRQN(DT_NODELABEL(test_l1_irq_inc));
78
79 /**
80 * - irq_increment()
81 */
82 zassert_equal(irq_increment(irqn_l1, 1), irqn_l1_inc);
83 zassert_equal(irq_increment(irqn_l2, 2), irqn_l2_inc);
84 zassert_equal(irq_increment(irqn_l3, 3), irqn_l3_inc);
85 }
86
87 ZTEST_SUITE(gen_isr_table_multilevel, NULL, NULL, NULL, NULL, NULL);
88
