/*
* Permission is hereby granted, free of charge, to any person obtaining a
* copy of this software and associated documentation files (the "Software"),
* to deal in the Software without restriction, including without limitation
* the rights to use, copy, modify, merge, publish, distribute, sublicense,
* and/or sell copies of the Software, and to permit persons to whom the
* Software is furnished to do so, subject to the following conditions:
*
* The above copyright notice and this permission notice shall be included in
* all copies or substantial portions of the Software.
*
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
* THE COPYRIGHT HOLDER(S) OR AUTHOR(S) BE LIABLE FOR ANY CLAIM, DAMAGES OR
* OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE,
* ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR
* OTHER DEALINGS IN THE SOFTWARE.
*
* Authors: Rafał Miłecki <zajec5@gmail.com>
* Alex Deucher <alexdeucher@gmail.com>
*/
#include <drm/drmP.h>
#include "amdgpu.h"
#include "amdgpu_drv.h"
#include "amdgpu_pm.h"
#include "amdgpu_dpm.h"
#include "atom.h"
#include <linux/power_supply.h>
#include <linux/hwmon.h>
#include <linux/hwmon-sysfs.h>
#include "amd_powerplay.h"
static int amdgpu_debugfs_pm_init(struct amdgpu_device *adev);
void amdgpu_pm_acpi_event_handler(struct amdgpu_device *adev)
{
if (adev->pp_enabled)
/* TODO */
return;
if (adev->pm.dpm_enabled) {
mutex_lock(&adev->pm.mutex);
if (power_supply_is_system_supplied() > 0)
adev->pm.dpm.ac_power = true;
else
adev->pm.dpm.ac_power = false;
if (adev->pm.funcs->enable_bapm)
amdgpu_dpm_enable_bapm(adev, adev->pm.dpm.ac_power);
mutex_unlock(&adev->pm.mutex);
}
}
static ssize_t amdgpu_get_dpm_state(struct device *dev,
struct device_attribute *attr,
char *buf)
{
struct drm_device *ddev = dev_get_drvdata(dev);
struct amdgpu_device *adev = ddev->dev_private;
enum amd_pm_state_type pm;
if (adev->pp_enabled) {
pm = amdgpu_dpm_get_current_power_state(adev);
} else
pm = adev->pm.dpm.user_state;
return snprintf(buf, PAGE_SIZE, "%s\n",
(pm == POWER_STATE_TYPE_BATTERY) ? "battery" :
(pm == POWER_STATE_TYPE_BALANCED) ? "balanced" : "performance"