test/dm/phy.c

   1 // SPDX-License-Identifier: GPL-2.0+
   2 /*
   3  * Copyright (C) 2017 Texas Instruments Incorporated - http://www.ti.com/
   4  * Written by Jean-Jacques Hiblot  <jjhiblot@ti.com>
   5  */
   6
   7 #include <common.h>
   8 #include <dm.h>
   9 #include <generic-phy.h>
  10 #include <log.h>
  11 #include <dm/test.h>
  12 #include <test/test.h>
  13 #include <test/ut.h>
  14
  15 /* Base test of the phy uclass */
  16 static int dm_test_phy_base(struct unit_test_state *uts)
  17 {
  18         struct udevice *dev;
  19         struct phy phy1_method1;
  20         struct phy phy1_method2;
  21         struct phy phy2;
  22         struct phy phy3;
  23         struct udevice *parent;
  24
  25         /* Get the device using the phy device*/
  26         ut_assertok(uclass_get_device_by_name(UCLASS_SIMPLE_BUS,
  27                                               "gen_phy_user", &parent));
  28         /*
  29          * Get the same phy port in 2 different ways and compare.
  30          */
  31         ut_assertok(generic_phy_get_by_name(parent, "phy1", &phy1_method1))
  32         ut_assertok(generic_phy_get_by_index(parent, 0, &phy1_method2))
  33         ut_asserteq(phy1_method1.id, phy1_method2.id);
  34
  35         /*
  36          * Get the second phy port. Check that the same phy provider (device)
  37          * provides this 2nd phy port, but that the IDs are different
  38          */
  39         ut_assertok(generic_phy_get_by_name(parent, "phy2", &phy2))
  40         ut_asserteq_ptr(phy1_method2.dev, phy2.dev);
  41         ut_assert(phy1_method1.id != phy2.id);
  42
  43         /*
  44          * Get the third phy port. Check that the phy provider is different
  45          */
  46         ut_assertok(generic_phy_get_by_name(parent, "phy3", &phy3))
  47         ut_assert(phy2.dev != phy3.dev);
  48
  49         /* Try to get a non-existing phy */
  50         ut_asserteq(-ENODEV, uclass_get_device(UCLASS_PHY, 4, &dev));
  51         ut_asserteq(-ENODATA, generic_phy_get_by_name(parent,
  52                                         "phy_not_existing", &phy1_method1));
  53
  54         return 0;
  55 }
  56 DM_TEST(dm_test_phy_base, UT_TESTF_SCAN_PDATA | UT_TESTF_SCAN_FDT);
  57
  58 /* Test of the phy uclass using the sandbox phy driver operations */
  59 static int dm_test_phy_ops(struct unit_test_state *uts)
  60 {
  61         struct phy phy1;
  62         struct phy phy2;
  63         struct phy phy3;
  64         struct udevice *parent;
  65
  66         ut_assertok(uclass_get_device_by_name(UCLASS_SIMPLE_BUS,
  67                                               "gen_phy_user", &parent));
  68
  69         ut_assertok(generic_phy_get_by_name(parent, "phy1", &phy1));
  70         ut_asserteq(0, phy1.id);
  71         ut_assertok(generic_phy_get_by_name(parent, "phy2", &phy2));
  72         ut_asserteq(1, phy2.id);
  73         ut_assertok(generic_phy_get_by_name(parent, "phy3", &phy3));
  74         ut_asserteq(0, phy3.id);
  75
  76         /* test normal operations */
  77         ut_assertok(generic_phy_init(&phy1));
  78         ut_assertok(generic_phy_power_on(&phy1));
  79         ut_assertok(generic_phy_power_off(&phy1));
  80
  81         /*
  82          * test operations after exit().
  83          * The sandbox phy driver does not allow it.
  84          */
  85         ut_assertok(generic_phy_exit(&phy1));
  86         ut_assert(generic_phy_power_on(&phy1) != 0);
  87         ut_assert(generic_phy_power_off(&phy1) != 0);
  88
  89         /*
  90          * test normal operations again (after re-init)
  91          */
  92         ut_assertok(generic_phy_init(&phy1));
  93         ut_assertok(generic_phy_power_on(&phy1));
  94         ut_assertok(generic_phy_power_off(&phy1));
  95
  96         /*
  97          * test calling unimplemented feature.
  98          * The call is expected to succeed
  99          */
 100         ut_assertok(generic_phy_reset(&phy1));
 101
 102         /* PHY2 has a known problem with power off */
 103         ut_assertok(generic_phy_init(&phy2));
 104         ut_assertok(generic_phy_power_on(&phy2));
 105         ut_asserteq(-EIO, generic_phy_power_off(&phy2));
 106
 107         /* PHY3 has a known problem with power off and power on */
 108         ut_assertok(generic_phy_init(&phy3));
 109         ut_asserteq(-EIO, generic_phy_power_off(&phy3));
 110         ut_asserteq(-EIO, generic_phy_power_off(&phy3));
 111
 112         return 0;
 113 }
 114 DM_TEST(dm_test_phy_ops, UT_TESTF_SCAN_PDATA | UT_TESTF_SCAN_FDT);
 115
 116 static int dm_test_phy_bulk(struct unit_test_state *uts)
 117 {
 118         struct phy_bulk phys;
 119         struct udevice *parent;
 120
 121         /* test normal operations */
 122         ut_assertok(uclass_get_device_by_name(UCLASS_SIMPLE_BUS,
 123                                               "gen_phy_user1", &parent));
 124
 125         ut_assertok(generic_phy_get_bulk(parent, &phys));
 126         ut_asserteq(2, phys.count);
 127
 128         ut_asserteq(0, generic_phy_init_bulk(&phys));
 129         ut_asserteq(0, generic_phy_power_on_bulk(&phys));
 130         ut_asserteq(0, generic_phy_power_off_bulk(&phys));
 131         ut_asserteq(0, generic_phy_exit_bulk(&phys));
 132
 133         /* has a known problem phy */
 134         ut_assertok(uclass_get_device_by_name(UCLASS_SIMPLE_BUS,
 135                                               "gen_phy_user", &parent));
 136
 137         ut_assertok(generic_phy_get_bulk(parent, &phys));
 138         ut_asserteq(3, phys.count);
 139
 140         ut_asserteq(0, generic_phy_init_bulk(&phys));
 141         ut_asserteq(-EIO, generic_phy_power_on_bulk(&phys));
 142         ut_asserteq(-EIO, generic_phy_power_off_bulk(&phys));
 143         ut_asserteq(0, generic_phy_exit_bulk(&phys));
 144
 145         return 0;
 146 }
 147 DM_TEST(dm_test_phy_bulk, UT_TESTF_SCAN_PDATA | UT_TESTF_SCAN_FDT);