135 lines
4.4 KiB
C
135 lines
4.4 KiB
C
|
/******************************************************************************
|
||
|
|
*
|
||
|
|
* 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 - 2013 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 LICENSE.GPL.
|
||
|
|
*
|
||
|
|
* Contact Information:
|
||
|
|
* Intel Linux Wireless <ilw@linux.intel.com>
|
||
|
|
* Intel Corporation, 5200 N.E. Elam Young Parkway, Hillsboro, OR 97124-6497
|
||
|
|
*
|
||
|
|
* BSD LICENSE
|
||
|
|
*
|
||
|
|
* Copyright(c) 2012 - 2013 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.
|
||
|
|
*
|
||
|
|
*****************************************************************************/
|
||
|
|
|
||
|
|
#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)
|
||
|
|
{
|
||
|
|
iwl_write32(mvm->trans, CSR_LED_REG, CSR_LED_REG_TURN_ON);
|
||
|
|
}
|
||
|
|
|
||
|
|
/* Set led register off */
|
||
|
|
static void iwl_mvm_led_disable(struct iwl_mvm *mvm)
|
||
|
|
{
|
||
|
|
iwl_write32(mvm->trans, CSR_LED_REG, 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);
|
||
|
|
}
|
||
|
|
|
||
|
|
int iwl_mvm_leds_init(struct iwl_mvm *mvm)
|
||
|
|
{
|
||
|
|
int mode = iwlwifi_mod_params.led_mode;
|
||
|
|
int ret;
|
||
|
|
|
||
|
|
switch (mode) {
|
||
|
|
case IWL_LED_DEFAULT:
|
||
|
|
case IWL_LED_RF_STATE:
|
||
|
|
mode = IWL_LED_RF_STATE;
|
||
|
|
break;
|
||
|
|
case IWL_LED_DISABLE:
|
||
|
|
IWL_INFO(mvm, "Led disabled\n");
|
||
|
|
return 0;
|
||
|
|
default:
|
||
|
|
return -EINVAL;
|
||
|
|
};
|
||
|
|
|
||
|
|
mvm->led.name = kasprintf(GFP_KERNEL, "%s-led",
|
||
|
|
wiphy_name(mvm->hw->wiphy));
|
||
|
|
mvm->led.brightness_set = iwl_led_brightness_set;
|
||
|
|
mvm->led.max_brightness = 1;
|
||
|
|
|
||
|
|
if (mode == IWL_LED_RF_STATE)
|
||
|
|
mvm->led.default_trigger =
|
||
|
|
ieee80211_get_radio_led_name(mvm->hw);
|
||
|
|
|
||
|
|
ret = led_classdev_register(mvm->trans->dev, &mvm->led);
|
||
|
|
if (ret) {
|
||
|
|
kfree(mvm->led.name);
|
||
|
|
IWL_INFO(mvm, "Failed to enable led\n");
|
||
|
|
return ret;
|
||
|
|
}
|
||
|
|
|
||
|
|
return 0;
|
||
|
|
}
|
||
|
|
|
||
|
|
void iwl_mvm_leds_exit(struct iwl_mvm *mvm)
|
||
|
|
{
|
||
|
|
if (iwlwifi_mod_params.led_mode == IWL_LED_DISABLE)
|
||
|
|
return;
|
||
|
|
|
||
|
|
led_classdev_unregister(&mvm->led);
|
||
|
|
kfree(mvm->led.name);
|
||
|
|
}
|