summaryrefslogtreecommitdiff
path: root/drivers/hid/hid-uclogic-params-test.c
blob: a30121419a292ebc830970fd7dc478852a440c23 (plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
// SPDX-License-Identifier: GPL-2.0+

/*
 *  HID driver for UC-Logic devices not fully compliant with HID standard
 *
 *  Copyright (c) 2022 José Expósito <jose.exposito89@gmail.com>
 */

#include <kunit/test.h>
#include "./hid-uclogic-params.h"
#include "./hid-uclogic-rdesc.h"

#define MAX_STR_DESC_SIZE 14

struct uclogic_parse_ugee_v2_desc_case {
	const char *name;
	int res;
	const __u8 str_desc[MAX_STR_DESC_SIZE];
	size_t str_desc_size;
	const s32 desc_params[UCLOGIC_RDESC_PH_ID_NUM];
	enum uclogic_params_frame_type frame_type;
};

static struct uclogic_parse_ugee_v2_desc_case uclogic_parse_ugee_v2_desc_cases[] = {
	{
		.name = "invalid_str_desc",
		.res = -EINVAL,
		.str_desc = {},
		.str_desc_size = 0,
		.desc_params = {},
		.frame_type = UCLOGIC_PARAMS_FRAME_BUTTONS,
	},
	{
		.name = "resolution_with_value_0",
		.res = 0,
		.str_desc = {
			0x0E, 0x03,
			0x70, 0xB2,
			0x10, 0x77,
			0x08,
			0x00,
			0xFF, 0x1F,
			0x00, 0x00,
		},
		.str_desc_size = 12,
		.desc_params = {
			[UCLOGIC_RDESC_PEN_PH_ID_X_LM] = 0xB270,
			[UCLOGIC_RDESC_PEN_PH_ID_X_PM] = 0,
			[UCLOGIC_RDESC_PEN_PH_ID_Y_LM] = 0x7710,
			[UCLOGIC_RDESC_PEN_PH_ID_Y_PM] = 0,
			[UCLOGIC_RDESC_PEN_PH_ID_PRESSURE_LM] = 0x1FFF,
			[UCLOGIC_RDESC_FRAME_PH_ID_UM] = 0x08,
		},
		.frame_type = UCLOGIC_PARAMS_FRAME_BUTTONS,
	},
	/* XP-PEN Deco L str_desc: Frame with 8 buttons */
	{
		.name = "frame_type_buttons",
		.res = 0,
		.str_desc = {
			0x0E, 0x03,
			0x70, 0xB2,
			0x10, 0x77,
			0x08,
			0x00,
			0xFF, 0x1F,
			0xD8, 0x13,
		},
		.str_desc_size = 12,
		.desc_params = {
			[UCLOGIC_RDESC_PEN_PH_ID_X_LM] = 0xB270,
			[UCLOGIC_RDESC_PEN_PH_ID_X_PM] = 0x2320,
			[UCLOGIC_RDESC_PEN_PH_ID_Y_LM] = 0x7710,
			[UCLOGIC_RDESC_PEN_PH_ID_Y_PM] = 0x1770,
			[UCLOGIC_RDESC_PEN_PH_ID_PRESSURE_LM] = 0x1FFF,
			[UCLOGIC_RDESC_FRAME_PH_ID_UM] = 0x08,
		},
		.frame_type = UCLOGIC_PARAMS_FRAME_BUTTONS,
	},
	/* PARBLO A610 PRO str_desc: Frame with 9 buttons and dial */
	{
		.name = "frame_type_dial",
		.res = 0,
		.str_desc = {
			0x0E, 0x03,
			0x96, 0xC7,
			0xF9, 0x7C,
			0x09,
			0x01,
			0xFF, 0x1F,
			0xD8, 0x13,
		},
		.str_desc_size = 12,
		.desc_params = {
			[UCLOGIC_RDESC_PEN_PH_ID_X_LM] = 0xC796,
			[UCLOGIC_RDESC_PEN_PH_ID_X_PM] = 0x2749,
			[UCLOGIC_RDESC_PEN_PH_ID_Y_LM] = 0x7CF9,
			[UCLOGIC_RDESC_PEN_PH_ID_Y_PM] = 0x1899,
			[UCLOGIC_RDESC_PEN_PH_ID_PRESSURE_LM] = 0x1FFF,
			[UCLOGIC_RDESC_FRAME_PH_ID_UM] = 0x09,
		},
		.frame_type = UCLOGIC_PARAMS_FRAME_DIAL,
	},
	/* XP-PEN Deco Pro S str_desc: Frame with 8 buttons and mouse */
	{
		.name = "frame_type_mouse",
		.res = 0,
		.str_desc = {
			0x0E, 0x03,
			0xC8, 0xB3,
			0x34, 0x65,
			0x08,
			0x02,
			0xFF, 0x1F,
			0xD8, 0x13,
		},
		.str_desc_size = 12,
		.desc_params = {
			[UCLOGIC_RDESC_PEN_PH_ID_X_LM] = 0xB3C8,
			[UCLOGIC_RDESC_PEN_PH_ID_X_PM] = 0x2363,
			[UCLOGIC_RDESC_PEN_PH_ID_Y_LM] = 0x6534,
			[UCLOGIC_RDESC_PEN_PH_ID_Y_PM] = 0x13EC,
			[UCLOGIC_RDESC_PEN_PH_ID_PRESSURE_LM] = 0x1FFF,
			[UCLOGIC_RDESC_FRAME_PH_ID_UM] = 0x08,
		},
		.frame_type = UCLOGIC_PARAMS_FRAME_MOUSE,
	},
};

static void uclogic_parse_ugee_v2_desc_case_desc(struct uclogic_parse_ugee_v2_desc_case *t,
						 char *desc)
{
	strscpy(desc, t->name, KUNIT_PARAM_DESC_SIZE);
}

KUNIT_ARRAY_PARAM(uclogic_parse_ugee_v2_desc, uclogic_parse_ugee_v2_desc_cases,
		  uclogic_parse_ugee_v2_desc_case_desc);

static void hid_test_uclogic_parse_ugee_v2_desc(struct kunit *test)
{
	int res;
	s32 desc_params[UCLOGIC_RDESC_PH_ID_NUM];
	enum uclogic_params_frame_type frame_type;
	const struct uclogic_parse_ugee_v2_desc_case *params = test->param_value;

	res = uclogic_params_parse_ugee_v2_desc(params->str_desc,
						params->str_desc_size,
						desc_params,
						ARRAY_SIZE(desc_params),
						&frame_type);
	KUNIT_ASSERT_EQ(test, res, params->res);

	if (res)
		return;

	KUNIT_EXPECT_EQ(test,
			params->desc_params[UCLOGIC_RDESC_PEN_PH_ID_X_LM],
			desc_params[UCLOGIC_RDESC_PEN_PH_ID_X_LM]);
	KUNIT_EXPECT_EQ(test,
			params->desc_params[UCLOGIC_RDESC_PEN_PH_ID_X_PM],
			desc_params[UCLOGIC_RDESC_PEN_PH_ID_X_PM]);
	KUNIT_EXPECT_EQ(test,
			params->desc_params[UCLOGIC_RDESC_PEN_PH_ID_Y_LM],
			desc_params[UCLOGIC_RDESC_PEN_PH_ID_Y_LM]);
	KUNIT_EXPECT_EQ(test,
			params->desc_params[UCLOGIC_RDESC_PEN_PH_ID_Y_PM],
			desc_params[UCLOGIC_RDESC_PEN_PH_ID_Y_PM]);
	KUNIT_EXPECT_EQ(test,
			params->desc_params[UCLOGIC_RDESC_PEN_PH_ID_PRESSURE_LM],
			desc_params[UCLOGIC_RDESC_PEN_PH_ID_PRESSURE_LM]);
	KUNIT_EXPECT_EQ(test,
			params->desc_params[UCLOGIC_RDESC_FRAME_PH_ID_UM],
			desc_params[UCLOGIC_RDESC_FRAME_PH_ID_UM]);
	KUNIT_EXPECT_EQ(test, params->frame_type, frame_type);
}

struct fake_device {
	unsigned long quirks;
};

static void hid_test_uclogic_params_cleanup_event_hooks(struct kunit *test)
{
	int res, n;
	struct hid_device *hdev;
	struct fake_device *fake_dev;
	struct uclogic_params p = {0, };

	hdev = kunit_kzalloc(test, sizeof(struct hid_device), GFP_KERNEL);
	KUNIT_ASSERT_NOT_ERR_OR_NULL(test, hdev);

	fake_dev = kunit_kzalloc(test, sizeof(struct fake_device), GFP_KERNEL);
	KUNIT_ASSERT_NOT_ERR_OR_NULL(test, fake_dev);

	hid_set_drvdata(hdev, fake_dev);

	res = uclogic_params_ugee_v2_init_event_hooks(hdev, &p);
	KUNIT_ASSERT_EQ(test, res, 0);

	/* Check that the function can be called repeatedly */
	for (n = 0; n < 4; n++) {
		uclogic_params_cleanup_event_hooks(&p);
		KUNIT_EXPECT_PTR_EQ(test, p.event_hooks, NULL);
	}
}

static struct kunit_case hid_uclogic_params_test_cases[] = {
	KUNIT_CASE_PARAM(hid_test_uclogic_parse_ugee_v2_desc,
			 uclogic_parse_ugee_v2_desc_gen_params),
	KUNIT_CASE(hid_test_uclogic_params_cleanup_event_hooks),
	{}
};

static struct kunit_suite hid_uclogic_params_test_suite = {
	.name = "hid_uclogic_params_test",
	.test_cases = hid_uclogic_params_test_cases,
};

kunit_test_suite(hid_uclogic_params_test_suite);

MODULE_DESCRIPTION("KUnit tests for the UC-Logic driver");
MODULE_LICENSE("GPL");
MODULE_AUTHOR("José Expósito <jose.exposito89@gmail.com>");