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 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 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 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