1 // SPDX-License-Identifier: GPL-2.0 OR BSD-3-Clause
3  * Copyright (C) 2012-2014, 2018-2019 Intel Corporation
7 #include "iwl-io.h"
8 #include "iwl-csr.h"
30 		IWL_WARN(mvm, "LED command failed: %d\n", err);  in iwl_mvm_send_led_fw_cmd()
35 	if (fw_has_capa(&mvm->fw->ucode_capa,  in iwl_mvm_led_set()
41 	iwl_write32(mvm->trans, CSR_LED_REG,  in iwl_mvm_led_set()
48 	struct iwl_mvm *mvm = container_of(led_cdev, struct iwl_mvm, led);  in iwl_led_brightness_set()
55 	int mode = iwlwifi_mod_params.led_mode;  in iwl_mvm_leds_init()  local
58 	switch (mode) {  in iwl_mvm_leds_init()
60 		IWL_ERR(mvm, "Blink led mode not supported, used default\n");  in iwl_mvm_leds_init()
64 		mode = IWL_LED_RF_STATE;  in iwl_mvm_leds_init()
67 		IWL_INFO(mvm, "Led disabled\n");  in iwl_mvm_leds_init()
70 		return -EINVAL;  in iwl_mvm_leds_init()
73 	mvm->led.name = kasprintf(GFP_KERNEL, "%s-led",  in iwl_mvm_leds_init()
74 				   wiphy_name(mvm->hw->wiphy));  in iwl_mvm_leds_init()
75 	if (!mvm->led.name)  in iwl_mvm_leds_init()
76 		return -ENOMEM;  in iwl_mvm_leds_init()
78 	mvm->led.brightness_set = iwl_led_brightness_set;  in iwl_mvm_leds_init()
79 	mvm->led.max_brightness = 1;  in iwl_mvm_leds_init()
81 	if (mode == IWL_LED_RF_STATE)  in iwl_mvm_leds_init()
82 		mvm->led.default_trigger =  in iwl_mvm_leds_init()
83 			ieee80211_get_radio_led_name(mvm->hw);  in iwl_mvm_leds_init()
85 	ret = led_classdev_register(mvm->trans->dev, &mvm->led);  in iwl_mvm_leds_init()
87 		kfree(mvm->led.name);  in iwl_mvm_leds_init()
88 		IWL_INFO(mvm, "Failed to enable led\n");  in iwl_mvm_leds_init()
92 	mvm->init_status |= IWL_MVM_INIT_STATUS_LEDS_INIT_COMPLETE;  in iwl_mvm_leds_init()
98 	if (!(mvm->init_status & IWL_MVM_INIT_STATUS_LEDS_INIT_COMPLETE))  in iwl_mvm_leds_sync()
105 	if (mvm->trans->trans_cfg->device_family < IWL_DEVICE_FAMILY_8000)  in iwl_mvm_leds_sync()
108 	iwl_mvm_led_set(mvm, mvm->led.brightness > 0);  in iwl_mvm_leds_sync()
113 	if (!(mvm->init_status & IWL_MVM_INIT_STATUS_LEDS_INIT_COMPLETE))  in iwl_mvm_leds_exit()
116 	led_classdev_unregister(&mvm->led);  in iwl_mvm_leds_exit()
117 	kfree(mvm->led.name);  in iwl_mvm_leds_exit()
118 	mvm->init_status &= ~IWL_MVM_INIT_STATUS_LEDS_INIT_COMPLETE;  in iwl_mvm_leds_exit()