1 // SPDX-License-Identifier: GPL-2.0
2 /*
3 * Copyright (c) 2018, STMicroelectronics
4 */
5
6 #include <common.h>
7 #include <log.h>
8 #include <serial.h>
9 #include <dm.h>
10 #include <dm/test.h>
11 #include <test/test.h>
12 #include <test/ut.h>
13
dm_test_serial(struct unit_test_state * uts)14 static int dm_test_serial(struct unit_test_state *uts)
15 {
16 struct serial_device_info info_serial = {0};
17 struct udevice *dev_serial;
18 uint value_serial;
19
20 ut_assertok(uclass_get_device_by_name(UCLASS_SERIAL, "serial",
21 &dev_serial));
22
23 ut_assertok(serial_tstc());
24 /*
25 * test with default config which is the only one supported by
26 * sandbox_serial driver
27 */
28 ut_assertok(serial_setconfig(dev_serial, SERIAL_DEFAULT_CONFIG));
29 ut_assertok(serial_getconfig(dev_serial, &value_serial));
30 ut_assert(value_serial == SERIAL_DEFAULT_CONFIG);
31 ut_assertok(serial_getinfo(dev_serial, &info_serial));
32 ut_assert(info_serial.type == SERIAL_CHIP_UNKNOWN);
33 ut_assert(info_serial.addr == SERIAL_DEFAULT_ADDRESS);
34 ut_assert(info_serial.clock == SERIAL_DEFAULT_CLOCK);
35 /*
36 * test with a parameter which is NULL pointer
37 */
38 ut_asserteq(-EINVAL, serial_getconfig(dev_serial, NULL));
39 ut_asserteq(-EINVAL, serial_getinfo(dev_serial, NULL));
40 /*
41 * test with a serial config which is not supported by
42 * sandbox_serial driver: test with wrong parity
43 */
44 ut_asserteq(-ENOTSUPP,
45 serial_setconfig(dev_serial,
46 SERIAL_CONFIG(SERIAL_PAR_ODD,
47 SERIAL_8_BITS,
48 SERIAL_ONE_STOP)));
49 /*
50 * test with a serial config which is not supported by
51 * sandbox_serial driver: test with wrong bits number
52 */
53 ut_asserteq(-ENOTSUPP,
54 serial_setconfig(dev_serial,
55 SERIAL_CONFIG(SERIAL_PAR_NONE,
56 SERIAL_6_BITS,
57 SERIAL_ONE_STOP)));
58
59 /*
60 * test with a serial config which is not supported by
61 * sandbox_serial driver: test with wrong stop bits number
62 */
63 ut_asserteq(-ENOTSUPP,
64 serial_setconfig(dev_serial,
65 SERIAL_CONFIG(SERIAL_PAR_NONE,
66 SERIAL_8_BITS,
67 SERIAL_TWO_STOP)));
68
69 return 0;
70 }
71
72 DM_TEST(dm_test_serial, UT_TESTF_SCAN_FDT);
73