1 // SPDX-License-Identifier: GPL-2.0-or-later
5   LED control
7   Copyright (c) 2005 Martin Langer <martin-langer@gmx.de>,
9   Copyright (c) 2005-2007 Michael Buesch <m@bues.ch>
24 	struct b43legacy_wl *wl = dev->wl;  in b43legacy_led_turn_on()
28 	spin_lock_irqsave(&wl->leds_lock, flags);  in b43legacy_led_turn_on()
31 		ctl &= ~(1 << led_index);  in b43legacy_led_turn_on()
33 		ctl |= (1 << led_index);  in b43legacy_led_turn_on()
35 	spin_unlock_irqrestore(&wl->leds_lock, flags);  in b43legacy_led_turn_on()
41 	struct b43legacy_wl *wl = dev->wl;  in b43legacy_led_turn_off()
45 	spin_lock_irqsave(&wl->leds_lock, flags);  in b43legacy_led_turn_off()
48 		ctl |= (1 << led_index);  in b43legacy_led_turn_off()
50 		ctl &= ~(1 << led_index);  in b43legacy_led_turn_off()
52 	spin_unlock_irqrestore(&wl->leds_lock, flags);  in b43legacy_led_turn_off()
55 /* Callback from the LED subsystem. */
59 	struct b43legacy_led *led = container_of(led_dev, struct b43legacy_led,  in b43legacy_led_brightness_set()  local
61 	struct b43legacy_wldev *dev = led->dev;  in b43legacy_led_brightness_set()
64 	/* Checking the radio-enabled status here is slightly racy,  in b43legacy_led_brightness_set()
66 	 * whether the LED has the wrong state for a second. */  in b43legacy_led_brightness_set()
67 	radio_enabled = (dev->phy.radio_on && dev->radio_hw_enable);  in b43legacy_led_brightness_set()
70 		b43legacy_led_turn_off(dev, led->index, led->activelow);  in b43legacy_led_brightness_set()
72 		b43legacy_led_turn_on(dev, led->index, led->activelow);  in b43legacy_led_brightness_set()
76 				  struct b43legacy_led *led,  in b43legacy_register_led()  argument
84 	if (led->dev)  in b43legacy_register_led()
85 		return -EEXIST;  in b43legacy_register_led()
87 		return -EINVAL;  in b43legacy_register_led()
88 	led->dev = dev;  in b43legacy_register_led()
89 	led->index = led_index;  in b43legacy_register_led()
90 	led->activelow = activelow;  in b43legacy_register_led()
91 	strlcpy(led->name, name, sizeof(led->name));  in b43legacy_register_led()
93 	led->led_dev.name = led->name;  in b43legacy_register_led()
94 	led->led_dev.default_trigger = default_trigger;  in b43legacy_register_led()
95 	led->led_dev.brightness_set = b43legacy_led_brightness_set;  in b43legacy_register_led()
97 	err = led_classdev_register(dev->dev->dev, &led->led_dev);  in b43legacy_register_led()
99 		b43legacywarn(dev->wl, "LEDs: Failed to register %s\n", name);  in b43legacy_register_led()
100 		led->dev = NULL;  in b43legacy_register_led()
106 static void b43legacy_unregister_led(struct b43legacy_led *led)  in b43legacy_unregister_led()  argument
108 	if (!led->dev)  in b43legacy_unregister_led()
110 	led_classdev_unregister(&led->led_dev);  in b43legacy_unregister_led()
111 	b43legacy_led_turn_off(led->dev, led->index, led->activelow);  in b43legacy_unregister_led()
112 	led->dev = NULL;  in b43legacy_unregister_led()
120 	struct ieee80211_hw *hw = dev->wl->hw;  in b43legacy_map_led()
121 	char name[B43legacy_LED_MAX_NAME_LEN + 1];  in b43legacy_map_led()
123 	/* Map the b43 specific LED behaviour value to the  in b43legacy_map_led()
124 	 * generic LED triggers. */  in b43legacy_map_led()
138 			 "b43legacy-%s::tx", wiphy_name(hw->wiphy));  in b43legacy_map_led()
139 		b43legacy_register_led(dev, &dev->led_tx, name,  in b43legacy_map_led()
143 			 "b43legacy-%s::rx", wiphy_name(hw->wiphy));  in b43legacy_map_led()
144 		b43legacy_register_led(dev, &dev->led_rx, name,  in b43legacy_map_led()
153 			 "b43legacy-%s::radio", wiphy_name(hw->wiphy));  in b43legacy_map_led()
154 		b43legacy_register_led(dev, &dev->led_radio, name,  in b43legacy_map_led()
157 		/* Sync the RF-kill LED state with radio and switch states. */  in b43legacy_map_led()
158 		if (dev->phy.radio_on && b43legacy_is_hw_radio_enabled(dev))  in b43legacy_map_led()
164 			 "b43legacy-%s::assoc", wiphy_name(hw->wiphy));  in b43legacy_map_led()
165 		b43legacy_register_led(dev, &dev->led_assoc, name,  in b43legacy_map_led()
170 		b43legacywarn(dev->wl, "LEDs: Unknown behaviour 0x%02X\n",  in b43legacy_map_led()
178 	struct ssb_bus *bus = dev->dev->bus;  in b43legacy_leds_init()
184 	sprom[0] = bus->sprom.gpio0;  in b43legacy_leds_init()
185 	sprom[1] = bus->sprom.gpio1;  in b43legacy_leds_init()
186 	sprom[2] = bus->sprom.gpio2;  in b43legacy_leds_init()
187 	sprom[3] = bus->sprom.gpio3;  in b43legacy_leds_init()
191 			/* There is no LED information in the SPROM  in b43legacy_leds_init()
192 			 * for this LED. Hardcode it here. */  in b43legacy_leds_init()
198 				if (bus->boardinfo.vendor == PCI_VENDOR_ID_COMPAQ)  in b43legacy_leds_init()
201 			case 1:  in b43legacy_leds_init()
203 				if (bus->boardinfo.vendor == PCI_VENDOR_ID_ASUSTEK)  in b43legacy_leds_init()
213 				B43legacy_WARN_ON(1);  in b43legacy_leds_init()
226 	b43legacy_unregister_led(&dev->led_tx);  in b43legacy_leds_exit()
227 	b43legacy_unregister_led(&dev->led_rx);  in b43legacy_leds_exit()
228 	b43legacy_unregister_led(&dev->led_assoc);  in b43legacy_leds_exit()
229 	b43legacy_unregister_led(&dev->led_radio);  in b43legacy_leds_exit()