1 /*
2 * Copyright 2022, NXP
3 *
4 * SPDX-License-Identifier: Apache-2.0
5 */
6
7 #include <zephyr/drivers/mipi_dsi.h>
8 #include <zephyr/ztest.h>
9
10 /**
11 * @addtogroup t_mipi_dsi_driver
12 * @{
13 * @defgroup t_mipi_dsi_api test_mipi_dsi_api
14 * @}
15 */
16
17 static const struct device *const mipi_dev = DEVICE_DT_GET(DT_ALIAS(mipi_dsi));
18
19 /**
20 * Test the MIPI generic APIs to test read and write API functionality
21 */
ZTEST(mipi_dsi_api,test_generic)22 ZTEST(mipi_dsi_api, test_generic)
23 {
24 uint8_t rx_buf[2];
25 uint8_t param[2];
26 ssize_t ret;
27
28 param[0] = MIPI_DCS_SET_DISPLAY_ON;
29 ret = mipi_dsi_generic_write(mipi_dev, CONFIG_MIPI_DSI_TEST_CHANNEL, param, 1);
30 zassert(ret >= 0, "Failed to write", NULL);
31
32 param[0] = MIPI_DCS_SET_DISPLAY_BRIGHTNESS;
33 param[1] = 200;
34 ret = mipi_dsi_generic_write(mipi_dev, CONFIG_MIPI_DSI_TEST_CHANNEL, param, 2);
35 zassert(ret >= 0, "Failed to write", NULL);
36
37 memset(rx_buf, 0, sizeof(rx_buf));
38
39 param[0] = MIPI_DCS_GET_DISPLAY_BRIGHTNESS;
40 ret = mipi_dsi_generic_read(mipi_dev, CONFIG_MIPI_DSI_TEST_CHANNEL, param, 1, rx_buf, 2);
41
42 if (ret != -ENOTSUP) {
43 zassert(ret >= 0, "Failed to do a generic read", NULL);
44 }
45
46 }
47
48 /**
49 * Test the MIPI DCS APIs to test read and write API functionality
50 */
ZTEST(mipi_dsi_api,test_dcs)51 ZTEST(mipi_dsi_api, test_dcs)
52 {
53 uint8_t rx_buf[2];
54 uint8_t param[2];
55 ssize_t ret;
56
57 ret = mipi_dsi_dcs_write(mipi_dev, CONFIG_MIPI_DSI_TEST_CHANNEL,
58 MIPI_DCS_SET_DISPLAY_ON, NULL, 0);
59 zassert(ret >= 0, "Failed to write", NULL);
60
61 param[0] = 200;
62 ret = mipi_dsi_dcs_write(mipi_dev, CONFIG_MIPI_DSI_TEST_CHANNEL,
63 MIPI_DCS_SET_DISPLAY_BRIGHTNESS, param, 1);
64 zassert(ret >= 0, "Failed to write", NULL);
65
66 memset(rx_buf, 0, sizeof(rx_buf));
67
68 param[0] = MIPI_DCS_GET_DISPLAY_BRIGHTNESS;
69 ret = mipi_dsi_dcs_read(mipi_dev, CONFIG_MIPI_DSI_TEST_CHANNEL,
70 MIPI_DCS_GET_DISPLAY_BRIGHTNESS, rx_buf, 2);
71
72 if (ret != -ENOTSUP) {
73 zassert(ret >= 0, "Failed to do a dcs read", NULL);
74 }
75 }
76
mipi_dsi_setup(void)77 static void *mipi_dsi_setup(void)
78 {
79 __ASSERT_NO_MSG(device_is_ready(mipi_dev));
80
81 return NULL;
82 }
83
84 ZTEST_SUITE(mipi_dsi_api, NULL, mipi_dsi_setup, NULL, NULL, NULL);
85
