xref: /openbmc/u-boot/test/dm/test-driver.c (revision c978b524)
1 /*
2  * Copyright (c) 2013 Google, Inc
3  *
4  * (C) Copyright 2012
5  * Pavel Herrmann <morpheus.ibis@gmail.com>
6  *
7  * SPDX-License-Identifier:	GPL-2.0+
8  */
9 
10 #include <common.h>
11 #include <dm.h>
12 #include <errno.h>
13 #include <malloc.h>
14 #include <dm/test.h>
15 #include <test/ut.h>
16 #include <asm/io.h>
17 
18 int dm_testdrv_op_count[DM_TEST_OP_COUNT];
19 static struct unit_test_state *uts = &global_dm_test_state;
20 
21 static int testdrv_ping(struct udevice *dev, int pingval, int *pingret)
22 {
23 	const struct dm_test_pdata *pdata = dev_get_platdata(dev);
24 	struct dm_test_priv *priv = dev_get_priv(dev);
25 
26 	*pingret = pingval + pdata->ping_add;
27 	priv->ping_total += *pingret;
28 
29 	return 0;
30 }
31 
32 static const struct test_ops test_ops = {
33 	.ping = testdrv_ping,
34 };
35 
36 static int test_bind(struct udevice *dev)
37 {
38 	/* Private data should not be allocated */
39 	ut_assert(!dev_get_priv(dev));
40 
41 	dm_testdrv_op_count[DM_TEST_OP_BIND]++;
42 	return 0;
43 }
44 
45 static int test_probe(struct udevice *dev)
46 {
47 	struct dm_test_priv *priv = dev_get_priv(dev);
48 
49 	/* Private data should be allocated */
50 	ut_assert(priv);
51 
52 	dm_testdrv_op_count[DM_TEST_OP_PROBE]++;
53 	priv->ping_total += DM_TEST_START_TOTAL;
54 	return 0;
55 }
56 
57 static int test_remove(struct udevice *dev)
58 {
59 	/* Private data should still be allocated */
60 	ut_assert(dev_get_priv(dev));
61 
62 	dm_testdrv_op_count[DM_TEST_OP_REMOVE]++;
63 	return 0;
64 }
65 
66 static int test_unbind(struct udevice *dev)
67 {
68 	/* Private data should not be allocated */
69 	ut_assert(!dev->priv);
70 
71 	dm_testdrv_op_count[DM_TEST_OP_UNBIND]++;
72 	return 0;
73 }
74 
75 U_BOOT_DRIVER(test_drv) = {
76 	.name	= "test_drv",
77 	.id	= UCLASS_TEST,
78 	.ops	= &test_ops,
79 	.bind	= test_bind,
80 	.probe	= test_probe,
81 	.remove	= test_remove,
82 	.unbind	= test_unbind,
83 	.priv_auto_alloc_size = sizeof(struct dm_test_priv),
84 };
85 
86 U_BOOT_DRIVER(test2_drv) = {
87 	.name	= "test2_drv",
88 	.id	= UCLASS_TEST,
89 	.ops	= &test_ops,
90 	.bind	= test_bind,
91 	.probe	= test_probe,
92 	.remove	= test_remove,
93 	.unbind	= test_unbind,
94 	.priv_auto_alloc_size = sizeof(struct dm_test_priv),
95 };
96 
97 static int test_manual_drv_ping(struct udevice *dev, int pingval, int *pingret)
98 {
99 	*pingret = pingval + 2;
100 
101 	return 0;
102 }
103 
104 static const struct test_ops test_manual_ops = {
105 	.ping = test_manual_drv_ping,
106 };
107 
108 static int test_manual_bind(struct udevice *dev)
109 {
110 	dm_testdrv_op_count[DM_TEST_OP_BIND]++;
111 
112 	return 0;
113 }
114 
115 static int test_manual_probe(struct udevice *dev)
116 {
117 	struct dm_test_state *dms = uts->priv;
118 
119 	dm_testdrv_op_count[DM_TEST_OP_PROBE]++;
120 	if (!dms->force_fail_alloc)
121 		dev->priv = calloc(1, sizeof(struct dm_test_priv));
122 	if (!dev->priv)
123 		return -ENOMEM;
124 
125 	return 0;
126 }
127 
128 static int test_manual_remove(struct udevice *dev)
129 {
130 	dm_testdrv_op_count[DM_TEST_OP_REMOVE]++;
131 	return 0;
132 }
133 
134 static int test_manual_unbind(struct udevice *dev)
135 {
136 	dm_testdrv_op_count[DM_TEST_OP_UNBIND]++;
137 	return 0;
138 }
139 
140 U_BOOT_DRIVER(test_manual_drv) = {
141 	.name	= "test_manual_drv",
142 	.id	= UCLASS_TEST,
143 	.ops	= &test_manual_ops,
144 	.bind	= test_manual_bind,
145 	.probe	= test_manual_probe,
146 	.remove	= test_manual_remove,
147 	.unbind	= test_manual_unbind,
148 };
149 
150 U_BOOT_DRIVER(test_pre_reloc_drv) = {
151 	.name	= "test_pre_reloc_drv",
152 	.id	= UCLASS_TEST,
153 	.ops	= &test_manual_ops,
154 	.bind	= test_manual_bind,
155 	.probe	= test_manual_probe,
156 	.remove	= test_manual_remove,
157 	.unbind	= test_manual_unbind,
158 	.flags	= DM_FLAG_PRE_RELOC,
159 };
160