@samitouri / QOSamiQemu
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1 /*
2 * QTest testcase for the Aspeed GPIO Controller.
3 *
4 * Copyright (c) Meta Platforms, Inc. and affiliates. (http://www.meta.com)
5 *
6 * Permission is hereby granted, free of charge, to any person obtaining a copy
7 * of this software and associated documentation files (the "Software"), to deal
8 * in the Software without restriction, including without limitation the rights
9 * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
10 * copies of the Software, and to permit persons to whom the Software is
11 * furnished to do so, subject to the following conditions:
12 *
13 * The above copyright notice and this permission notice shall be included in
14 * all copies or substantial portions of the Software.
15 *
16 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
17 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
18 * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
19 * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
20 * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
21 * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
22 * THE SOFTWARE.
23 */
24
25 #include "qemu/osdep.h"
26 #include "qemu/bitops.h"
27 #include "qemu/timer.h"
28 #include "qobject/qdict.h"
29 #include "libqtest-single.h"
30
31 #define AST2600_GPIO_BASE 0x1E780000
32
33 #define GPIO_ABCD_DATA_VALUE 0x000
34 #define GPIO_ABCD_DIRECTION 0x004
35
36 static uint32_t qtest_qom_get_uint32(QTestState *s, const char *path,
37 const char *property)
38 {
39 QDict *r;
40
41 uint32_t res;
42 r = qtest_qmp(s, "{ 'execute': 'qom-get', 'arguments': "
43 "{ 'path': %s, 'property': %s } }", path, property);
44 res = qdict_get_uint(r, "return");
45 qobject_unref(r);
46
47 return res;
48 }
49
50 static void qtest_qom_set_uint32(QTestState *s, const char *path,
51 const char *property, uint32_t value)
52 {
53 QDict *r;
54
55 r = qtest_qmp(s, "{ 'execute': 'qom-set', 'arguments': "
56 "{ 'path': %s, 'property': %s, 'value': %" PRIu32 " } }",
57 path, property, value);
58 qobject_unref(r);
59 }
60
61 static const char *resp_get_error(QDict *r, const char* error_key)
62 {
63 QDict *qdict;
64
65 g_assert(r);
66
67 qdict = qdict_get_qdict(r, "error");
68 if (qdict) {
69 return qdict_get_str(qdict, error_key);
70 }
71
72 return NULL;
73 }
74
75 static bool qtest_qom_check_error(QTestState *s, const char *path,
76 const char *property, const char *error_msg,
77 const char *error_msg_key)
78 {
79 QDict *r;
80 bool b;
81
82 r = qtest_qmp(s, "{ 'execute': 'qom-get', 'arguments': "
83 "{ 'path': %s, 'property': %s } }", path, property);
84 b = g_str_equal(resp_get_error(r, error_msg_key), error_msg);
85 qobject_unref(r);
86
87 return b;
88 }
89
90 static void test_set_colocated_pins(const void *data)
91 {
92 QTestState *s = (QTestState *)data;
93 const char path[] = "/machine/soc/gpio";
94 /*
95 * gpioV4-7 occupy bits within a single 32-bit value, so we want to make
96 * sure that modifying one doesn't affect the other.
97 */
98 qtest_qom_set_bool(s, path, "gpioV4", true);
99 qtest_qom_set_bool(s, path, "gpioV5", false);
100 qtest_qom_set_bool(s, path, "gpioV6", true);
101 qtest_qom_set_bool(s, path, "gpioV7", false);
102 g_assert(qtest_qom_get_bool(s, path, "gpioV4"));
103 g_assert(!qtest_qom_get_bool(s, path, "gpioV5"));
104 g_assert(qtest_qom_get_bool(s, path, "gpioV6"));
105 g_assert(!qtest_qom_get_bool(s, path, "gpioV7"));
106
107 /*
108 * Testing the gpio-set[%d] properties, using individual gpio boolean
109 * properties to do cross check.
110 * We use gpioR4-7 for test, Setting them to be 0b1010.
111 */
112 qtest_qom_set_uint32(s, path, "gpio-set[4]", 0x0);
113 g_assert(qtest_qom_get_uint32(s, path, "gpio-set[4]") == 0x0);
114 qtest_qom_set_uint32(s, path, "gpio-set[4]", 0xa000);
115 g_assert(qtest_qom_get_uint32(s, path, "gpio-set[4]") == 0xa000);
116
117 g_assert(!qtest_qom_get_bool(s, path, "gpioR4"));
118 g_assert(qtest_qom_get_bool(s, path, "gpioR5"));
119 g_assert(!qtest_qom_get_bool(s, path, "gpioR6"));
120 g_assert(qtest_qom_get_bool(s, path, "gpioR7"));
121
122 /*
123 * Testing the invalid indexing, the response info should contain following
124 * info:
125 * {key: "class", value: "GenericError"}
126 *
127 * For pins, it should follow "gpio%2[A-Z]%1d" or "gpio%3[18A-E]%1d" format.
128 */
129 const char error_msg[] = "GenericError";
130 const char error_msg_key[] = "class";
131
132 g_assert(qtest_qom_check_error(s, path, "gpioR+1", error_msg,
133 error_msg_key));
134 g_assert(qtest_qom_check_error(s, path, "gpio-set[99]", error_msg,
135 error_msg_key));
136 g_assert(qtest_qom_check_error(s, path, "gpio-set[-3]", error_msg,
137 error_msg_key));
138 }
139
140 static void test_set_input_pins(const void *data)
141 {
142 QTestState *s = (QTestState *)data;
143 uint32_t value;
144
145 qtest_writel(s, AST2600_GPIO_BASE + GPIO_ABCD_DIRECTION, 0x00000000);
146 for (char c = 'A'; c <= 'D'; c++) {
147 for (int i = 0; i < 8; i++) {
148 g_autofree const char *name = g_strdup_printf("gpio%c%d", c, i);
149
150 qtest_qom_set_bool(s, "/machine/soc/gpio", name, true);
151 }
152 }
153 value = qtest_readl(s, AST2600_GPIO_BASE + GPIO_ABCD_DATA_VALUE);
154 g_assert_cmphex(value, ==, 0xffffffff);
155
156 qtest_writel(s, AST2600_GPIO_BASE + GPIO_ABCD_DATA_VALUE, 0x00000000);
157 value = qtest_readl(s, AST2600_GPIO_BASE + GPIO_ABCD_DATA_VALUE);
158 g_assert_cmphex(value, ==, 0xffffffff);
159 }
160
161 int main(int argc, char **argv)
162 {
163 QTestState *s;
164 int r;
165
166 g_test_init(&argc, &argv, NULL);
167
168 s = qtest_init("-machine ast2600-evb");
169 qtest_add_data_func("/ast2600/gpio/set_colocated_pins", s,
170 test_set_colocated_pins);
171 qtest_add_data_func("/ast2600/gpio/set_input_pins", s, test_set_input_pins);
172 r = g_test_run();
173 qtest_quit(s);
174
175 return r;
176 }