/* * Copyright (C) 2015 Google, Inc * * SPDX-License-Identifier: GPL-2.0+ * Written by Simon Glass <sjg@chromium.org> */ #include <common.h> #include <dm.h> #include <rtc.h> #include <asm/io.h> #include <asm/test.h> #include <dm/test.h> #include <test/ut.h> /* Simple RTC sanity check */ static int dm_test_rtc_base(struct unit_test_state *uts) { struct udevice *dev; ut_asserteq(-ENODEV, uclass_get_device_by_seq(UCLASS_RTC, 2, &dev)); ut_assertok(uclass_get_device(UCLASS_RTC, 0, &dev)); ut_assertok(uclass_get_device(UCLASS_RTC, 1, &dev)); return 0; } DM_TEST(dm_test_rtc_base, DM_TESTF_SCAN_PDATA | DM_TESTF_SCAN_FDT); static void show_time(const char *msg, struct rtc_time *time) { printf("%s: %02d/%02d/%04d %02d:%02d:%02d\n", msg, time->tm_mday, time->tm_mon, time->tm_year, time->tm_hour, time->tm_min, time->tm_sec); } static int cmp_times(struct rtc_time *expect, struct rtc_time *time, bool show) { bool same; same = expect->tm_sec == time->tm_sec; same &= expect->tm_min == time->tm_min; same &= expect->tm_hour == time->tm_hour; same &= expect->tm_mday == time->tm_mday; same &= expect->tm_mon == time->tm_mon; same &= expect->tm_year == time->tm_year; if (!same && show) { show_time("expected", expect); show_time("actual", time); } return same ? 0 : -EINVAL; } /* Set and get the time */ static int dm_test_rtc_set_get(struct unit_test_state *uts) { struct rtc_time now, time, cmp; struct udevice *dev, *emul; long offset, old_offset, old_base_time; ut_assertok(uclass_get_device(UCLASS_RTC, 0, &dev)); ut_assertok(dm_rtc_get(dev, &now)); ut_assertok(device_find_first_child(dev, &emul)); ut_assert(emul != NULL); /* Tell the RTC to go into manual mode */ old_offset = sandbox_i2c_rtc_set_offset(emul, false, 0); old_base_time = sandbox_i2c_rtc_get_set_base_time(emul, -1); memset(&time, '\0', sizeof(time)); time.tm_mday = 25; time.tm_mon = 8; time.tm_year = 2004; time.tm_sec = 0; time.tm_min = 18; time.tm_hour = 18; ut_assertok(dm_rtc_set(dev, &time)); memset(&cmp, '\0', sizeof(cmp)); ut_assertok(dm_rtc_get(dev, &cmp)); ut_assertok(cmp_times(&time, &cmp, true)); /* Increment by 1 second */ offset = sandbox_i2c_rtc_set_offset(emul, false, 0); sandbox_i2c_rtc_set_offset(emul, false, offset + 1); memset(&cmp, '\0', sizeof(cmp)); ut_assertok(dm_rtc_get(dev, &cmp)); ut_asserteq(1, cmp.tm_sec); /* Check against original offset */ sandbox_i2c_rtc_set_offset(emul, false, old_offset); ut_assertok(dm_rtc_get(dev, &cmp)); ut_assertok(cmp_times(&now, &cmp, true)); /* Back to the original offset */ sandbox_i2c_rtc_set_offset(emul, false, 0); memset(&cmp, '\0', sizeof(cmp)); ut_assertok(dm_rtc_get(dev, &cmp)); ut_assertok(cmp_times(&now, &cmp, true)); /* Increment the base time by 1 emul */ sandbox_i2c_rtc_get_set_base_time(emul, old_base_time + 1); memset(&cmp, '\0', sizeof(cmp)); ut_assertok(dm_rtc_get(dev, &cmp)); if (now.tm_sec == 59) { ut_asserteq(0, cmp.tm_sec); } else { ut_asserteq(now.tm_sec + 1, cmp.tm_sec); } old_offset = sandbox_i2c_rtc_set_offset(emul, true, 0); return 0; } DM_TEST(dm_test_rtc_set_get, DM_TESTF_SCAN_PDATA | DM_TESTF_SCAN_FDT); /* Reset the time */ static int dm_test_rtc_reset(struct unit_test_state *uts) { struct rtc_time now; struct udevice *dev, *emul; long old_base_time, base_time; ut_assertok(uclass_get_device(UCLASS_RTC, 0, &dev)); ut_assertok(dm_rtc_get(dev, &now)); ut_assertok(device_find_first_child(dev, &emul)); ut_assert(emul != NULL); old_base_time = sandbox_i2c_rtc_get_set_base_time(emul, 0); ut_asserteq(0, sandbox_i2c_rtc_get_set_base_time(emul, -1)); /* Resetting the RTC should put he base time back to normal */ ut_assertok(dm_rtc_reset(dev)); base_time = sandbox_i2c_rtc_get_set_base_time(emul, -1); ut_asserteq(old_base_time, base_time); return 0; } DM_TEST(dm_test_rtc_reset, DM_TESTF_SCAN_PDATA | DM_TESTF_SCAN_FDT); /* Check that two RTC devices can be used independently */ static int dm_test_rtc_dual(struct unit_test_state *uts) { struct rtc_time now1, now2, cmp; struct udevice *dev1, *dev2; struct udevice *emul1, *emul2; long offset; ut_assertok(uclass_get_device(UCLASS_RTC, 0, &dev1)); ut_assertok(dm_rtc_get(dev1, &now1)); ut_assertok(uclass_get_device(UCLASS_RTC, 1, &dev2)); ut_assertok(dm_rtc_get(dev2, &now2)); ut_assertok(device_find_first_child(dev1, &emul1)); ut_assert(emul1 != NULL); ut_assertok(device_find_first_child(dev2, &emul2)); ut_assert(emul2 != NULL); offset = sandbox_i2c_rtc_set_offset(emul1, false, -1); sandbox_i2c_rtc_set_offset(emul2, false, offset + 1); memset(&cmp, '\0', sizeof(cmp)); ut_assertok(dm_rtc_get(dev2, &cmp)); ut_asserteq(-EINVAL, cmp_times(&now1, &cmp, false)); memset(&cmp, '\0', sizeof(cmp)); ut_assertok(dm_rtc_get(dev1, &cmp)); ut_assertok(cmp_times(&now1, &cmp, true)); return 0; } DM_TEST(dm_test_rtc_dual, DM_TESTF_SCAN_PDATA | DM_TESTF_SCAN_FDT);