1 // SPDX-License-Identifier: GPL-2.0
42 	struct led_classdev led;  member
47 	container_of(lcdev, struct igc_led_classdev, led)
49 static void igc_led_select(struct igc_adapter *adapter, int led,  in igc_led_select()  argument
52 	switch (led) {  in igc_led_select()
70 		netdev_err(adapter->netdev, "Unknown LED %d selected!\n", led);  in igc_led_select()
74 static void igc_led_set(struct igc_adapter *adapter, int led, u32 mode,  in igc_led_set()  argument
78 	struct igc_hw *hw = &adapter->hw;  in igc_led_set()
80 	igc_led_select(adapter, led, &mask, &shift, &blink_bit);  in igc_led_set()
82 	pm_runtime_get_sync(&adapter->pdev->dev);  in igc_led_set()
83 	mutex_lock(&adapter->led_mutex);  in igc_led_set()
85 	/* Set mode */  in igc_led_set()
88 	ledctl |= mode << shift;  in igc_led_set()
97 	mutex_unlock(&adapter->led_mutex);  in igc_led_set()
98 	pm_runtime_put(&adapter->pdev->dev);  in igc_led_set()
101 static u32 igc_led_get(struct igc_adapter *adapter, int led)  in igc_led_get()  argument
104 	struct igc_hw *hw = &adapter->hw;  in igc_led_get()
106 	igc_led_select(adapter, led, &mask, &shift, &blink_bit);  in igc_led_get()
108 	pm_runtime_get_sync(&adapter->pdev->dev);  in igc_led_get()
109 	mutex_lock(&adapter->led_mutex);  in igc_led_get()
111 	mutex_unlock(&adapter->led_mutex);  in igc_led_get()
112 	pm_runtime_put(&adapter->pdev->dev);  in igc_led_get()
121 	struct igc_adapter *adapter = netdev_priv(ldev->netdev);  in igc_led_brightness_set_blocking()
122 	u32 mode;  in igc_led_brightness_set_blocking()  local
125 		mode = IGC_LEDCTL_MODE_ON;  in igc_led_brightness_set_blocking()
127 		mode = IGC_LEDCTL_MODE_OFF;  in igc_led_brightness_set_blocking()
129 	netdev_dbg(adapter->netdev, "Set brightness for LED %d to mode %u!\n",  in igc_led_brightness_set_blocking()
130 		   ldev->index, mode);  in igc_led_brightness_set_blocking()
132 	igc_led_set(adapter, ldev->index, mode, false);  in igc_led_brightness_set_blocking()
141 		return -EOPNOTSUPP;  in igc_led_hw_control_is_supported()
144 	 * mode is selected as well.  in igc_led_hw_control_is_supported()
153 		return -EOPNOTSUPP;  in igc_led_hw_control_is_supported()
155 	/* Only one mode can be active at a given time. */  in igc_led_hw_control_is_supported()
156 	if (flags & (flags - 1))  in igc_led_hw_control_is_supported()
157 		return -EOPNOTSUPP;  in igc_led_hw_control_is_supported()
166 	struct igc_adapter *adapter = netdev_priv(ldev->netdev);  in igc_led_hw_control_set()
167 	u32 mode = IGC_LEDCTL_MODE_OFF;  in igc_led_hw_control_set()  local
171 		mode = IGC_LEDCTL_MODE_LINK_10;  in igc_led_hw_control_set()
173 		mode = IGC_LEDCTL_MODE_LINK_100;  in igc_led_hw_control_set()
175 		mode = IGC_LEDCTL_MODE_LINK_1000;  in igc_led_hw_control_set()
177 		mode = IGC_LEDCTL_MODE_LINK_2500;  in igc_led_hw_control_set()
180 		mode = IGC_LEDCTL_MODE_ACTIVITY;  in igc_led_hw_control_set()
182 	netdev_dbg(adapter->netdev, "Set HW control for LED %d to mode %u!\n",  in igc_led_hw_control_set()
183 		   ldev->index, mode);  in igc_led_hw_control_set()
186 	if (mode == IGC_LEDCTL_MODE_ACTIVITY)  in igc_led_hw_control_set()
189 	igc_led_set(adapter, ldev->index, mode, blink);  in igc_led_hw_control_set()
198 	struct igc_adapter *adapter = netdev_priv(ldev->netdev);  in igc_led_hw_control_get()
199 	u32 mode;  in igc_led_hw_control_get()  local
201 	mode = igc_led_get(adapter, ldev->index);  in igc_led_hw_control_get()
203 	switch (mode) {  in igc_led_hw_control_get()
228 	return &ldev->netdev->dev;  in igc_led_hw_control_get_device()
234 	snprintf(buf, buf_len, "igc-%x%x-led%d",  in igc_led_get_name()
235 		 pci_domain_nr(adapter->pdev->bus),  in igc_led_get_name()
236 		 pci_dev_id(adapter->pdev), index);  in igc_led_get_name()
243 	struct led_classdev *led_cdev = &ldev->led;  in igc_setup_ldev()
246 	ldev->netdev = netdev;  in igc_setup_ldev()
247 	ldev->index = index;  in igc_setup_ldev()
250 	led_cdev->name = led_name;  in igc_setup_ldev()
251 	led_cdev->flags |= LED_RETAIN_AT_SHUTDOWN;  in igc_setup_ldev()
252 	led_cdev->max_brightness = 1;  in igc_setup_ldev()
253 	led_cdev->brightness_set_blocking = igc_led_brightness_set_blocking;  in igc_setup_ldev()
254 	led_cdev->hw_control_trigger = "netdev";  in igc_setup_ldev()
255 	led_cdev->hw_control_is_supported = igc_led_hw_control_is_supported;  in igc_setup_ldev()
256 	led_cdev->hw_control_set = igc_led_hw_control_set;  in igc_setup_ldev()
257 	led_cdev->hw_control_get = igc_led_hw_control_get;  in igc_setup_ldev()
258 	led_cdev->hw_control_get_device = igc_led_hw_control_get_device;  in igc_setup_ldev()
260 	return led_classdev_register(&netdev->dev, led_cdev);  in igc_setup_ldev()
265 	struct net_device *netdev = adapter->netdev;  in igc_led_setup()
269 	mutex_init(&adapter->led_mutex);  in igc_led_setup()
273 		return -ENOMEM;  in igc_led_setup()
281 	adapter->leds = leds;  in igc_led_setup()
286 	for (i--; i >= 0; i--)  in igc_led_setup()
287 		led_classdev_unregister(&((leds + i)->led));  in igc_led_setup()
295 	struct igc_led_classdev *leds = adapter->leds;  in igc_led_free()
299 		led_classdev_unregister(&((leds + i)->led));  in igc_led_free()