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// 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>");
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