diff options
Diffstat (limited to 'drivers/net/wireless/intel/iwlwifi/mvm/led.c')
| -rw-r--r-- | drivers/net/wireless/intel/iwlwifi/mvm/led.c | 130 |
1 files changed, 55 insertions, 75 deletions
diff --git a/drivers/net/wireless/intel/iwlwifi/mvm/led.c b/drivers/net/wireless/intel/iwlwifi/mvm/led.c index 3cac4278a5fd..c3cc1ea3ccc9 100644 --- a/drivers/net/wireless/intel/iwlwifi/mvm/led.c +++ b/drivers/net/wireless/intel/iwlwifi/mvm/led.c @@ -1,91 +1,53 @@ -/****************************************************************************** - * - * This file is provided under a dual BSD/GPLv2 license. When using or - * redistributing this file, you may do so under either license. - * - * GPL LICENSE SUMMARY - * - * Copyright(c) 2012 - 2014 Intel Corporation. All rights reserved. - * - * This program is free software; you can redistribute it and/or modify - * it under the terms of version 2 of the GNU General Public License as - * published by the Free Software Foundation. - * - * This program is distributed in the hope that it will be useful, but - * WITHOUT ANY WARRANTY; without even the implied warranty of - * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU - * General Public License for more details. - * - * You should have received a copy of the GNU General Public License - * along with this program; if not, write to the Free Software - * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110, - * USA - * - * The full GNU General Public License is included in this distribution - * in the file called COPYING. - * - * Contact Information: - * Intel Linux Wireless <linuxwifi@intel.com> - * Intel Corporation, 5200 N.E. Elam Young Parkway, Hillsboro, OR 97124-6497 - * - * BSD LICENSE - * - * Copyright(c) 2012 - 2014 Intel Corporation. All rights reserved. - * All rights reserved. - * - * Redistribution and use in source and binary forms, with or without - * modification, are permitted provided that the following conditions - * are met: - * - * * Redistributions of source code must retain the above copyright - * notice, this list of conditions and the following disclaimer. - * * Redistributions in binary form must reproduce the above copyright - * notice, this list of conditions and the following disclaimer in - * the documentation and/or other materials provided with the - * distribution. - * * Neither the name Intel Corporation nor the names of its - * contributors may be used to endorse or promote products derived - * from this software without specific prior written permission. - * - * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS - * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT - * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR - * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT - * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, - * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT - * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, - * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY - * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT - * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE - * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. - * - *****************************************************************************/ - +// SPDX-License-Identifier: GPL-2.0 OR BSD-3-Clause +/* + * Copyright (C) 2012-2014, 2018-2019, 2025 Intel Corporation + * Copyright (C) 2017 Intel Deutschland GmbH + */ #include <linux/leds.h> #include "iwl-io.h" #include "iwl-csr.h" #include "mvm.h" -/* Set led register on */ -static void iwl_mvm_led_enable(struct iwl_mvm *mvm) +static void iwl_mvm_send_led_fw_cmd(struct iwl_mvm *mvm, bool on) { - iwl_write32(mvm->trans, CSR_LED_REG, CSR_LED_REG_TURN_ON); + struct iwl_led_cmd led_cmd = { + .status = cpu_to_le32(on), + }; + struct iwl_host_cmd cmd = { + .id = WIDE_ID(LONG_GROUP, LEDS_CMD), + .len = { sizeof(led_cmd), }, + .data = { &led_cmd, }, + .flags = CMD_ASYNC, + }; + int err; + + if (!iwl_mvm_firmware_running(mvm)) + return; + + err = iwl_mvm_send_cmd(mvm, &cmd); + + if (err) + IWL_WARN(mvm, "LED command failed: %d\n", err); } -/* Set led register off */ -static void iwl_mvm_led_disable(struct iwl_mvm *mvm) +static void iwl_mvm_led_set(struct iwl_mvm *mvm, bool on) { - iwl_write32(mvm->trans, CSR_LED_REG, CSR_LED_REG_TURN_OFF); + if (fw_has_capa(&mvm->fw->ucode_capa, + IWL_UCODE_TLV_CAPA_LED_CMD_SUPPORT)) { + iwl_mvm_send_led_fw_cmd(mvm, on); + return; + } + + iwl_write32(mvm->trans, CSR_LED_REG, + on ? CSR_LED_REG_TURN_ON : CSR_LED_REG_TURN_OFF); } static void iwl_led_brightness_set(struct led_classdev *led_cdev, enum led_brightness brightness) { struct iwl_mvm *mvm = container_of(led_cdev, struct iwl_mvm, led); - if (brightness > 0) - iwl_mvm_led_enable(mvm); - else - iwl_mvm_led_disable(mvm); + + iwl_mvm_led_set(mvm, brightness > 0); } int iwl_mvm_leds_init(struct iwl_mvm *mvm) @@ -96,6 +58,7 @@ int iwl_mvm_leds_init(struct iwl_mvm *mvm) switch (mode) { case IWL_LED_BLINK: IWL_ERR(mvm, "Blink led mode not supported, used default\n"); + fallthrough; case IWL_LED_DEFAULT: case IWL_LED_RF_STATE: mode = IWL_LED_RF_STATE; @@ -109,6 +72,9 @@ int iwl_mvm_leds_init(struct iwl_mvm *mvm) mvm->led.name = kasprintf(GFP_KERNEL, "%s-led", wiphy_name(mvm->hw->wiphy)); + if (!mvm->led.name) + return -ENOMEM; + mvm->led.brightness_set = iwl_led_brightness_set; mvm->led.max_brightness = 1; @@ -127,10 +93,24 @@ int iwl_mvm_leds_init(struct iwl_mvm *mvm) return 0; } +void iwl_mvm_leds_sync(struct iwl_mvm *mvm) +{ + if (!(mvm->init_status & IWL_MVM_INIT_STATUS_LEDS_INIT_COMPLETE)) + return; + + /* + * if we control through the register, we're doing it + * even when the firmware isn't up, so no need to sync + */ + if (mvm->trans->mac_cfg->device_family < IWL_DEVICE_FAMILY_8000) + return; + + iwl_mvm_led_set(mvm, mvm->led.brightness > 0); +} + void iwl_mvm_leds_exit(struct iwl_mvm *mvm) { - if (iwlwifi_mod_params.led_mode == IWL_LED_DISABLE || - !(mvm->init_status & IWL_MVM_INIT_STATUS_LEDS_INIT_COMPLETE)) + if (!(mvm->init_status & IWL_MVM_INIT_STATUS_LEDS_INIT_COMPLETE)) return; led_classdev_unregister(&mvm->led); |