1 // SPDX-License-Identifier: GPL-2.0 OR BSD-3-Clause
2 /* Copyright(c) 2025 Realtek Corporation
3 */
4
5 #include "main.h"
6 #include "debug.h"
7 #include "led.h"
8
rtw_led_set(struct led_classdev * led,enum led_brightness brightness)9 static int rtw_led_set(struct led_classdev *led,
10 enum led_brightness brightness)
11 {
12 struct rtw_dev *rtwdev = container_of(led, struct rtw_dev, led_cdev);
13
14 mutex_lock(&rtwdev->mutex);
15
16 rtwdev->chip->ops->led_set(led, brightness);
17
18 mutex_unlock(&rtwdev->mutex);
19
20 return 0;
21 }
22
rtw_led_init(struct rtw_dev * rtwdev)23 void rtw_led_init(struct rtw_dev *rtwdev)
24 {
25 static const struct ieee80211_tpt_blink rtw_tpt_blink[] = {
26 { .throughput = 0 * 1024, .blink_time = 334 },
27 { .throughput = 1 * 1024, .blink_time = 260 },
28 { .throughput = 5 * 1024, .blink_time = 220 },
29 { .throughput = 10 * 1024, .blink_time = 190 },
30 { .throughput = 20 * 1024, .blink_time = 170 },
31 { .throughput = 50 * 1024, .blink_time = 150 },
32 { .throughput = 70 * 1024, .blink_time = 130 },
33 { .throughput = 100 * 1024, .blink_time = 110 },
34 { .throughput = 200 * 1024, .blink_time = 80 },
35 { .throughput = 300 * 1024, .blink_time = 50 },
36 };
37 struct led_classdev *led = &rtwdev->led_cdev;
38 int err;
39
40 if (!rtwdev->chip->ops->led_set)
41 return;
42
43 led->brightness_set_blocking = rtw_led_set;
44
45 snprintf(rtwdev->led_name, sizeof(rtwdev->led_name),
46 "rtw88-%s", dev_name(rtwdev->dev));
47
48 led->name = rtwdev->led_name;
49 led->max_brightness = LED_ON;
50 led->default_trigger =
51 ieee80211_create_tpt_led_trigger(rtwdev->hw,
52 IEEE80211_TPT_LEDTRIG_FL_RADIO,
53 rtw_tpt_blink,
54 ARRAY_SIZE(rtw_tpt_blink));
55
56 err = led_classdev_register(rtwdev->dev, led);
57 if (err) {
58 rtw_warn(rtwdev, "Failed to register the LED, error %d\n", err);
59 return;
60 }
61
62 rtwdev->led_registered = true;
63 }
64
rtw_led_deinit(struct rtw_dev * rtwdev)65 void rtw_led_deinit(struct rtw_dev *rtwdev)
66 {
67 struct led_classdev *led = &rtwdev->led_cdev;
68
69 if (!rtwdev->led_registered)
70 return;
71
72 rtwdev->chip->ops->led_set(led, LED_OFF);
73 led_classdev_unregister(led);
74 }
75