// SPDX-License-Identifier: GPL-2.0+ /* * Copyright (C) 2015 Google, Inc */ #include <common.h> #include <console.h> #include <dm.h> #include <usb.h> #include <asm/io.h> #include <asm/state.h> #include <asm/test.h> #include <dm/device-internal.h> #include <dm/test.h> #include <dm/uclass-internal.h> #include <test/ut.h> /* Test that sandbox USB works correctly */ static int dm_test_usb_base(struct unit_test_state *uts) { struct udevice *bus; ut_asserteq(-ENODEV, uclass_get_device_by_seq(UCLASS_USB, 0, &bus)); ut_assertok(uclass_get_device(UCLASS_USB, 0, &bus)); ut_asserteq(-ENODEV, uclass_get_device_by_seq(UCLASS_USB, 2, &bus)); return 0; } DM_TEST(dm_test_usb_base, DM_TESTF_SCAN_PDATA | DM_TESTF_SCAN_FDT); /* * Test that we can use the flash stick. This is more of a functional test. It * covers scanning the bug, setting up a hub and a flash stick and reading * data from the flash stick. */ static int dm_test_usb_flash(struct unit_test_state *uts) { struct udevice *dev; struct blk_desc *dev_desc; char cmp[1024]; state_set_skip_delays(true); ut_assertok(usb_init()); ut_assertok(uclass_get_device(UCLASS_MASS_STORAGE, 0, &dev)); ut_assertok(blk_get_device_by_str("usb", "0", &dev_desc)); /* Read a few blocks and look for the string we expect */ ut_asserteq(512, dev_desc->blksz); memset(cmp, '\0', sizeof(cmp)); ut_asserteq(2, blk_dread(dev_desc, 0, 2, cmp)); ut_assertok(strcmp(cmp, "this is a test")); ut_assertok(usb_stop()); return 0; } DM_TEST(dm_test_usb_flash, DM_TESTF_SCAN_PDATA | DM_TESTF_SCAN_FDT); /* test that we can handle multiple storage devices */ static int dm_test_usb_multi(struct unit_test_state *uts) { struct udevice *dev; state_set_skip_delays(true); ut_assertok(usb_init()); ut_assertok(uclass_get_device(UCLASS_MASS_STORAGE, 0, &dev)); ut_assertok(uclass_get_device(UCLASS_MASS_STORAGE, 1, &dev)); ut_assertok(uclass_get_device(UCLASS_MASS_STORAGE, 2, &dev)); ut_assertok(usb_stop()); return 0; } DM_TEST(dm_test_usb_multi, DM_TESTF_SCAN_PDATA | DM_TESTF_SCAN_FDT); static int count_usb_devices(void) { struct udevice *hub; struct uclass *uc; int count = 0; int ret; ret = uclass_get(UCLASS_USB_HUB, &uc); if (ret) return ret; uclass_foreach_dev(hub, uc) { struct udevice *dev; count++; for (device_find_first_child(hub, &dev); dev; device_find_next_child(&dev)) { count++; } } return count; } /* test that no USB devices are found after we stop the stack */ static int dm_test_usb_stop(struct unit_test_state *uts) { struct udevice *dev; /* Scan and check that all devices are present */ state_set_skip_delays(true); ut_assertok(usb_init()); ut_assertok(uclass_get_device(UCLASS_MASS_STORAGE, 0, &dev)); ut_assertok(uclass_get_device(UCLASS_MASS_STORAGE, 1, &dev)); ut_assertok(uclass_get_device(UCLASS_MASS_STORAGE, 2, &dev)); ut_asserteq(6, count_usb_devices()); ut_assertok(usb_stop()); ut_asserteq(0, count_usb_devices()); return 0; } DM_TEST(dm_test_usb_stop, DM_TESTF_SCAN_PDATA | DM_TESTF_SCAN_FDT); static int dm_test_usb_keyb(struct unit_test_state *uts) { struct udevice *dev; state_set_skip_delays(true); ut_assertok(usb_init()); /* Initially there should be no characters */ ut_asserteq(0, tstc()); ut_assertok(uclass_get_device_by_name(UCLASS_USB_EMUL, "keyb", &dev)); /* * Add a string to the USB keyboard buffer - it should appear in * stdin */ ut_assertok(sandbox_usb_keyb_add_string(dev, "ab")); ut_asserteq(1, tstc()); ut_asserteq('a', getc()); ut_asserteq(1, tstc()); ut_asserteq('b', getc()); ut_asserteq(0, tstc()); ut_assertok(usb_stop()); return 0; } DM_TEST(dm_test_usb_keyb, DM_TESTF_SCAN_PDATA | DM_TESTF_SCAN_FDT);