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3c43fba3 SG |
1 | /* |
2 | * Copyright (C) 2015 Google, Inc | |
3 | * | |
4 | * SPDX-License-Identifier: GPL-2.0+ | |
5 | */ | |
6 | ||
7 | #include <common.h> | |
8 | #include <dm.h> | |
9 | #include <led.h> | |
10 | #include <asm/gpio.h> | |
11 | #include <dm/test.h> | |
12 | #include <test/ut.h> | |
13 | ||
14 | DECLARE_GLOBAL_DATA_PTR; | |
15 | ||
16 | /* Base test of the led uclass */ | |
17 | static int dm_test_led_base(struct unit_test_state *uts) | |
18 | { | |
19 | struct udevice *dev; | |
20 | ||
21 | /* Get the top-level device */ | |
22 | ut_assertok(uclass_get_device(UCLASS_LED, 0, &dev)); | |
23 | ut_assertok(uclass_get_device(UCLASS_LED, 1, &dev)); | |
24 | ut_assertok(uclass_get_device(UCLASS_LED, 2, &dev)); | |
25 | ut_asserteq(-ENODEV, uclass_get_device(UCLASS_LED, 3, &dev)); | |
26 | ||
27 | return 0; | |
28 | } | |
29 | DM_TEST(dm_test_led_base, DM_TESTF_SCAN_PDATA | DM_TESTF_SCAN_FDT); | |
30 | ||
31 | /* Test of the led uclass using the led_gpio driver */ | |
32 | static int dm_test_led_gpio(struct unit_test_state *uts) | |
33 | { | |
34 | const int offset = 1; | |
35 | struct udevice *dev, *gpio; | |
36 | ||
37 | /* | |
38 | * Check that we can manipulate an LED. LED 1 is connected to GPIO | |
39 | * bank gpio_a, offset 1. | |
40 | */ | |
41 | ut_assertok(uclass_get_device(UCLASS_LED, 1, &dev)); | |
42 | ut_assertok(uclass_get_device(UCLASS_GPIO, 1, &gpio)); | |
43 | ut_asserteq(0, sandbox_gpio_get_value(gpio, offset)); | |
ddae9fcd | 44 | ut_assertok(led_set_state(dev, LEDST_ON)); |
3c43fba3 | 45 | ut_asserteq(1, sandbox_gpio_get_value(gpio, offset)); |
8f4b6123 | 46 | ut_asserteq(LEDST_ON, led_get_state(dev)); |
ddae9fcd SG |
47 | |
48 | ut_assertok(led_set_state(dev, LEDST_OFF)); | |
3c43fba3 | 49 | ut_asserteq(0, sandbox_gpio_get_value(gpio, offset)); |
8f4b6123 | 50 | ut_asserteq(LEDST_OFF, led_get_state(dev)); |
3c43fba3 SG |
51 | |
52 | return 0; | |
53 | } | |
54 | DM_TEST(dm_test_led_gpio, DM_TESTF_SCAN_PDATA | DM_TESTF_SCAN_FDT); | |
55 | ||
9413ad4f SG |
56 | /* Test that we can toggle LEDs */ |
57 | static int dm_test_led_toggle(struct unit_test_state *uts) | |
58 | { | |
59 | const int offset = 1; | |
60 | struct udevice *dev, *gpio; | |
61 | ||
62 | /* | |
63 | * Check that we can manipulate an LED. LED 1 is connected to GPIO | |
64 | * bank gpio_a, offset 1. | |
65 | */ | |
66 | ut_assertok(uclass_get_device(UCLASS_LED, 1, &dev)); | |
67 | ut_assertok(uclass_get_device(UCLASS_GPIO, 1, &gpio)); | |
68 | ut_asserteq(0, sandbox_gpio_get_value(gpio, offset)); | |
69 | ut_assertok(led_set_state(dev, LEDST_TOGGLE)); | |
70 | ut_asserteq(1, sandbox_gpio_get_value(gpio, offset)); | |
71 | ut_asserteq(LEDST_ON, led_get_state(dev)); | |
72 | ||
73 | ut_assertok(led_set_state(dev, LEDST_TOGGLE)); | |
74 | ut_asserteq(0, sandbox_gpio_get_value(gpio, offset)); | |
75 | ut_asserteq(LEDST_OFF, led_get_state(dev)); | |
76 | ||
77 | return 0; | |
78 | } | |
79 | DM_TEST(dm_test_led_toggle, DM_TESTF_SCAN_PDATA | DM_TESTF_SCAN_FDT); | |
80 | ||
3c43fba3 SG |
81 | /* Test obtaining an LED by label */ |
82 | static int dm_test_led_label(struct unit_test_state *uts) | |
83 | { | |
84 | struct udevice *dev, *cmp; | |
85 | ||
86 | ut_assertok(led_get_by_label("sandbox:red", &dev)); | |
87 | ut_asserteq(1, device_active(dev)); | |
88 | ut_assertok(uclass_get_device(UCLASS_LED, 1, &cmp)); | |
89 | ut_asserteq_ptr(dev, cmp); | |
90 | ||
91 | ut_assertok(led_get_by_label("sandbox:green", &dev)); | |
92 | ut_asserteq(1, device_active(dev)); | |
93 | ut_assertok(uclass_get_device(UCLASS_LED, 2, &cmp)); | |
94 | ut_asserteq_ptr(dev, cmp); | |
95 | ||
96 | ut_asserteq(-ENODEV, led_get_by_label("sandbox:blue", &dev)); | |
97 | ||
98 | return 0; | |
99 | } | |
100 | DM_TEST(dm_test_led_label, DM_TESTF_SCAN_PDATA | DM_TESTF_SCAN_FDT); | |
53378dac SG |
101 | |
102 | /* Test LED blinking */ | |
103 | #ifdef CONFIG_LED_BLINK | |
104 | static int dm_test_led_blink(struct unit_test_state *uts) | |
105 | { | |
106 | const int offset = 1; | |
107 | struct udevice *dev, *gpio; | |
108 | ||
109 | /* | |
110 | * Check that we get an error when trying to blink an LED, since it is | |
111 | * not supported by the GPIO LED driver. | |
112 | */ | |
113 | ut_assertok(uclass_get_device(UCLASS_LED, 1, &dev)); | |
114 | ut_assertok(uclass_get_device(UCLASS_GPIO, 1, &gpio)); | |
115 | ut_asserteq(0, sandbox_gpio_get_value(gpio, offset)); | |
116 | ut_asserteq(-ENOSYS, led_set_state(dev, LEDST_BLINK)); | |
117 | ut_asserteq(0, sandbox_gpio_get_value(gpio, offset)); | |
118 | ut_asserteq(LEDST_OFF, led_get_state(dev)); | |
119 | ut_asserteq(-ENOSYS, led_set_period(dev, 100)); | |
120 | ||
121 | return 0; | |
122 | } | |
123 | DM_TEST(dm_test_led_blink, DM_TESTF_SCAN_PDATA | DM_TESTF_SCAN_FDT); | |
124 | #endif |