LXR uboot/test/dm/serial.c

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