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 */
dm_test_phy_base(struct unit_test_state * uts)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 */
dm_test_phy_ops(struct unit_test_state * uts)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 
dm_test_phy_bulk(struct unit_test_state * uts)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);
148