test/dm/irq.c

   1 // SPDX-License-Identifier: GPL-2.0+
   2 /*
   3  * Test for irq uclass
   4  *
   5  * Copyright 2019 Google LLC
   6  */
   7
   8 #include <dm.h>
   9 #include <irq.h>
  10 #include <acpi/acpi_device.h>
  11 #include <asm/test.h>
  12 #include <dm/test.h>
  13 #include <test/ut.h>
  14
  15 /* Base test of the irq uclass */
  16 static int dm_test_irq_base(struct unit_test_state *uts)
  17 {
  18         struct udevice *dev;
  19
  20         ut_assertok(uclass_first_device_err(UCLASS_IRQ, &dev));
  21
  22         ut_asserteq(5, irq_route_pmc_gpio_gpe(dev, 4));
  23         ut_asserteq(-ENOENT, irq_route_pmc_gpio_gpe(dev, 14));
  24
  25         ut_assertok(irq_set_polarity(dev, 4, true));
  26         ut_asserteq(-EINVAL, irq_set_polarity(dev, 14, true));
  27
  28         ut_assertok(irq_snapshot_polarities(dev));
  29         ut_assertok(irq_restore_polarities(dev));
  30
  31         return 0;
  32 }
  33 DM_TEST(dm_test_irq_base, UT_TESTF_SCAN_PDATA | UT_TESTF_SCAN_FDT);
  34
  35 /* Test of irq_first_device_type() */
  36 static int dm_test_irq_type(struct unit_test_state *uts)
  37 {
  38         struct udevice *dev;
  39
  40         ut_assertok(irq_first_device_type(SANDBOX_IRQT_BASE, &dev));
  41         ut_asserteq(-ENODEV, irq_first_device_type(X86_IRQT_BASE, &dev));
  42
  43         return 0;
  44 }
  45 DM_TEST(dm_test_irq_type, UT_TESTF_SCAN_PDATA | UT_TESTF_SCAN_FDT);
  46
  47 /* Test of irq_read_and_clear() */
  48 static int dm_test_read_and_clear(struct unit_test_state *uts)
  49 {
  50         struct irq irq;
  51
  52         ut_assertok(irq_first_device_type(SANDBOX_IRQT_BASE, &irq.dev));
  53         irq.id = SANDBOX_IRQN_PEND;
  54         ut_asserteq(0, irq_read_and_clear(&irq));
  55         ut_asserteq(0, irq_read_and_clear(&irq));
  56         ut_asserteq(0, irq_read_and_clear(&irq));
  57         ut_asserteq(1, irq_read_and_clear(&irq));
  58         ut_asserteq(0, irq_read_and_clear(&irq));
  59
  60         return 0;
  61 }
  62 DM_TEST(dm_test_read_and_clear, UT_TESTF_SCAN_PDATA | UT_TESTF_SCAN_FDT);
  63
  64 /* Test of irq_request() */
  65 static int dm_test_request(struct unit_test_state *uts)
  66 {
  67         struct udevice *dev;
  68         struct irq irq;
  69
  70         ut_assertok(uclass_first_device_err(UCLASS_TEST_FDT, &dev));
  71         ut_asserteq_str("a-test", dev->name);
  72         ut_assertok(irq_get_by_index(dev, 0, &irq));
  73         ut_asserteq(3, irq.id);
  74
  75         return 0;
  76 }
  77 DM_TEST(dm_test_request, UT_TESTF_SCAN_PDATA | UT_TESTF_SCAN_FDT);
  78
  79 /* Test of irq_get_acpi() */
  80 static int dm_test_irq_get_acpi(struct unit_test_state *uts)
  81 {
  82         struct acpi_irq airq;
  83         struct udevice *dev;
  84         struct irq irq;
  85
  86         ut_assertok(uclass_first_device_err(UCLASS_TEST_FDT, &dev));
  87         ut_assertok(irq_get_by_index(dev, 0, &irq));
  88
  89         /* see sandbox_get_acpi() */
  90         ut_assertok(irq_get_acpi(&irq, &airq));
  91         ut_asserteq(3, airq.pin);
  92         ut_asserteq(ACPI_IRQ_LEVEL_TRIGGERED, airq.mode);
  93         ut_asserteq(ACPI_IRQ_ACTIVE_HIGH, airq.polarity);
  94         ut_asserteq(ACPI_IRQ_SHARED, airq.shared);
  95         ut_asserteq(ACPI_IRQ_WAKE, airq.wake);
  96
  97         return 0;
  98 }
  99 DM_TEST(dm_test_irq_get_acpi, UT_TESTF_SCAN_PDATA | UT_TESTF_SCAN_FDT);