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 <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
  14static 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
  72DM_TEST(dm_test_serial, UT_TESTF_SCAN_FDT);
  73