test/dm/led.c

   1 // SPDX-License-Identifier: GPL-2.0+
   2 /*
   3  * Copyright (C) 2015 Google, Inc
   4  */
   5
   6 #include <dm.h>
   7 #include <led.h>
   8 #include <asm/gpio.h>
   9 #include <dm/test.h>
  10 #include <test/test.h>
  11 #include <test/ut.h>
  12
  13 /* Base test of the led uclass */
  14 static int dm_test_led_base(struct unit_test_state *uts)
  15 {
  16         struct udevice *dev;
  17
  18         /* Get the top-level device */
  19         ut_assertok(uclass_get_device(UCLASS_LED, 0, &dev));
  20         ut_assertok(uclass_get_device(UCLASS_LED, 1, &dev));
  21         ut_assertok(uclass_get_device(UCLASS_LED, 2, &dev));
  22         ut_assertok(uclass_get_device(UCLASS_LED, 3, &dev));
  23         ut_assertok(uclass_get_device(UCLASS_LED, 4, &dev));
  24         ut_assertok(uclass_get_device(UCLASS_LED, 5, &dev));
  25         ut_assertok(uclass_get_device(UCLASS_LED, 6, &dev));
  26         ut_assertok(uclass_get_device(UCLASS_LED, 7, &dev));
  27         ut_assertok(uclass_get_device(UCLASS_LED, 8, &dev));
  28         ut_asserteq(-ENODEV, uclass_get_device(UCLASS_LED, 9, &dev));
  29
  30         return 0;
  31 }
  32 DM_TEST(dm_test_led_base, UTF_SCAN_PDATA | UTF_SCAN_FDT);
  33
  34 /* Test of the LED 'default-state' device tree property */
  35 static int dm_test_led_default_state(struct unit_test_state *uts)
  36 {
  37         struct udevice *dev;
  38
  39         /* Check that we handle the default-state property correctly. */
  40         ut_assertok(led_get_by_label("sandbox:default_on", &dev));
  41         ut_asserteq(LEDST_ON, led_get_state(dev));
  42
  43         /* Also tests default label behaviour */
  44         ut_assertok(led_get_by_label("default_off", &dev));
  45         ut_asserteq(LEDST_OFF, led_get_state(dev));
  46
  47         return 0;
  48 }
  49 DM_TEST(dm_test_led_default_state, UTF_SCAN_PDATA | UTF_SCAN_FDT);
  50
  51 /* Test of the led uclass using the led_gpio driver */
  52 static int dm_test_led_gpio(struct unit_test_state *uts)
  53 {
  54         const int offset = 1;
  55         struct udevice *dev, *gpio;
  56
  57         /*
  58          * Check that we can manipulate an LED. LED 0 is connected to GPIO
  59          * bank gpio_a, offset 1.
  60          */
  61         ut_assertok(uclass_get_device(UCLASS_LED, 0, &dev));
  62         ut_assertok(uclass_get_device(UCLASS_GPIO, 1, &gpio));
  63         ut_asserteq(0, sandbox_gpio_get_value(gpio, offset));
  64         ut_assertok(led_set_state(dev, LEDST_ON));
  65         ut_asserteq(1, sandbox_gpio_get_value(gpio, offset));
  66         ut_asserteq(LEDST_ON, led_get_state(dev));
  67
  68         ut_assertok(led_set_state(dev, LEDST_OFF));
  69         ut_asserteq(0, sandbox_gpio_get_value(gpio, offset));
  70         ut_asserteq(LEDST_OFF, led_get_state(dev));
  71
  72         return 0;
  73 }
  74 DM_TEST(dm_test_led_gpio, UTF_SCAN_PDATA | UTF_SCAN_FDT);
  75
  76 /* Test that we can toggle LEDs */
  77 static int dm_test_led_toggle(struct unit_test_state *uts)
  78 {
  79         const int offset = 1;
  80         struct udevice *dev, *gpio;
  81
  82         /*
  83          * Check that we can manipulate an LED. LED 0 is connected to GPIO
  84          * bank gpio_a, offset 1.
  85          */
  86         ut_assertok(uclass_get_device(UCLASS_LED, 0, &dev));
  87         ut_assertok(uclass_get_device(UCLASS_GPIO, 1, &gpio));
  88         ut_asserteq(0, sandbox_gpio_get_value(gpio, offset));
  89         ut_assertok(led_set_state(dev, LEDST_TOGGLE));
  90         ut_asserteq(1, sandbox_gpio_get_value(gpio, offset));
  91         ut_asserteq(LEDST_ON, led_get_state(dev));
  92
  93         ut_assertok(led_set_state(dev, LEDST_TOGGLE));
  94         ut_asserteq(0, sandbox_gpio_get_value(gpio, offset));
  95         ut_asserteq(LEDST_OFF, led_get_state(dev));
  96
  97         return 0;
  98 }
  99 DM_TEST(dm_test_led_toggle, UTF_SCAN_PDATA | UTF_SCAN_FDT);
 100
 101 /* Test obtaining an LED by label */
 102 static int dm_test_led_label(struct unit_test_state *uts)
 103 {
 104         struct udevice *dev, *cmp;
 105
 106         ut_assertok(led_get_by_label("sandbox:red", &dev));
 107         ut_asserteq(1, device_active(dev));
 108         ut_assertok(uclass_get_device(UCLASS_LED, 0, &cmp));
 109         ut_asserteq_ptr(dev, cmp);
 110
 111         ut_assertok(led_get_by_label("sandbox:green", &dev));
 112         ut_asserteq(1, device_active(dev));
 113         ut_assertok(uclass_get_device(UCLASS_LED, 1, &cmp));
 114         ut_asserteq_ptr(dev, cmp);
 115
 116         ut_asserteq(-ENODEV, led_get_by_label("sandbox:blue", &dev));
 117
 118         /* Test if function, color and function-enumerator naming works */
 119         ut_assertok(led_get_by_label("red:status-20", &dev));
 120
 121         /* Test if function, color naming works */
 122         ut_assertok(led_get_by_label("green:status", &dev));
 123
 124         /* Test if function, without color naming works */
 125         ut_assertok(led_get_by_label(":status", &dev));
 126
 127         /* Test if color without function naming works */
 128         ut_assertok(led_get_by_label("green:", &dev));
 129
 130         /* Test if function, color naming is ignored if label is found */
 131         ut_assertok(led_get_by_label("sandbox:function", &dev));
 132
 133         return 0;
 134 }
 135 DM_TEST(dm_test_led_label, UTF_SCAN_PDATA | UTF_SCAN_FDT);
 136
 137 /* Test LED blinking */
 138 #ifdef CONFIG_LED_BLINK
 139 static int dm_test_led_blink(struct unit_test_state *uts)
 140 {
 141         const int offset = 1;
 142         struct udevice *dev, *gpio;
 143
 144         /*
 145          * Check that we get an error when trying to blink an LED, since it is
 146          * not supported by the GPIO LED driver.
 147          */
 148         ut_assertok(uclass_get_device(UCLASS_LED, 0, &dev));
 149         ut_assertok(uclass_get_device(UCLASS_GPIO, 1, &gpio));
 150         ut_asserteq(0, sandbox_gpio_get_value(gpio, offset));
 151         ut_asserteq(-ENOSYS, led_set_state(dev, LEDST_BLINK));
 152         ut_asserteq(0, sandbox_gpio_get_value(gpio, offset));
 153         ut_asserteq(LEDST_OFF, led_get_state(dev));
 154         ut_asserteq(-ENOSYS, led_set_period(dev, 100));
 155
 156         return 0;
 157 }
 158 DM_TEST(dm_test_led_blink, UTF_SCAN_PDATA | UTF_SCAN_FDT);
 159 #endif
 160
 161 /* Test LED boot */
 162 #ifdef CONFIG_LED_BOOT
 163 static int dm_test_led_boot(struct unit_test_state *uts)
 164 {
 165         struct udevice *dev
 166
 167         /* options/u-boot/boot-led is set to phandle to "sandbox:green" */
 168         ut_assertok(led_get_by_label("sandbox:green", &dev));
 169         ut_asserteq(LEDST_OFF, led_get_state(dev));
 170         ut_assertok(led_boot_on());
 171         ut_asserteq(LEDST_ON, led_get_state(dev));
 172         ut_assertok(led_boot_off());
 173         ut_asserteq(LEDST_OFF, led_get_state(dev));
 174
 175         return 0;
 176 }
 177 DM_TEST(dm_test_led_boot, UTF_SCAN_PDATA | UTF_SCAN_FDT);
 178
 179 /* Test LED boot blink fallback */
 180 #ifndef CONFIG_LED_BLINK
 181 static int dm_test_led_boot_blink(struct unit_test_state *uts)
 182 {
 183         struct udevice *dev
 184
 185         /* options/u-boot/boot-led is set to phandle to "sandbox:green" */
 186         ut_assertok(led_get_by_label("sandbox:green", &dev));
 187         ut_asserteq(LEDST_OFF, led_get_state(dev));
 188         ut_assertok(led_boot_blink());
 189         ut_asserteq(LEDST_ON, led_get_state(dev));
 190         ut_assertok(led_boot_off());
 191         ut_asserteq(LEDST_OFF, led_get_state(dev));
 192
 193         return 0;
 194 }
 195 DM_TEST(dm_test_led_boot_blink, UTF_SCAN_PDATA | UTF_SCAN_FDT);
 196 #endif
 197 #endif
 198
 199 /* Test LED activity */
 200 #ifdef CONFIG_LED_ACTIVITY
 201 static int dm_test_led_activity(struct unit_test_state *uts)
 202 {
 203         struct udevice *dev
 204
 205         /* options/u-boot/activity-led is set to phandle to "sandbox:red" */
 206         ut_assertok(led_get_by_label("sandbox:red", &dev));
 207         ut_asserteq(LEDST_OFF, led_get_state(dev));
 208         ut_assertok(led_activity_on());
 209         ut_asserteq(LEDST_ON, led_get_state(dev));
 210         ut_assertok(led_activity_off());
 211         ut_asserteq(LEDST_OFF, led_get_state(dev));
 212
 213         return 0;
 214 }
 215 DM_TEST(dm_test_led_activity, UTF_SCAN_PDATA | UTF_SCAN_FDT);
 216
 217 /* Test LED activity blink fallback */
 218 #ifndef CONFIG_LED_BLINK
 219 static int dm_test_led_activityt_blink(struct unit_test_state *uts)
 220 {
 221         struct udevice *dev
 222
 223         /* options/u-boot/activity-led is set to phandle to "sandbox:red" */
 224         ut_assertok(led_get_by_label("sandbox:red", &dev));
 225         ut_asserteq(LEDST_OFF, led_get_state(dev));
 226         ut_assertok(led_activity_blink());
 227         ut_asserteq(LEDST_ON, led_get_state(dev));
 228         ut_assertok(led_activity_off());
 229         ut_asserteq(LEDST_OFF, led_get_state(dev));
 230
 231         return 0;
 232 }
 233 DM_TEST(dm_test_led_activityt_blink, UTF_SCAN_PDATA | UTF_SCAN_FDT);
 234 #endif
 235 #endif