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/*
* Copyright (c) 2013, The Linux Foundation. All rights reserved.
* Copyright (C) 2018 The LineageOS Project
*
* 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 of The Linux Foundation 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 "AS IS" AND ANY EXPRESS OR IMPLIED
* WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF
* MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT
* 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.
*/
#define LOG_NIDEBUG 0
#include <errno.h>
#include <string.h>
#include <sys/types.h>
#include <sys/stat.h>
#include <fcntl.h>
#include <dlfcn.h>
#include <stdlib.h>
#define LOG_TAG "QCOM PowerHAL"
#include <log/log.h>
#include <hardware/hardware.h>
#include <hardware/power.h>
#include "utils.h"
#include "metadata-defs.h"
#include "hint-data.h"
#include "performance.h"
#include "power-common.h"
/**
* Returns true if the target is APQ8064.
*/
static bool is_target_8064(void)
{
static int is_8064 = -1;
int soc_id;
if (is_8064 >= 0)
return is_8064;
soc_id = get_soc_id();
is_8064 = soc_id == 153;
return is_8064;
}
static int current_power_profile = PROFILE_BALANCED;
static int profile_high_performance_8960[] = {
CPUS_ONLINE_MIN_2,
};
static int profile_high_performance_8064[] = {
CPUS_ONLINE_MIN_4,
};
static int profile_power_save_8960[] = {
/* Don't do anything for now */
};
static int profile_power_save_8064[] = {
CPUS_ONLINE_MAX_LIMIT_2,
};
#ifdef INTERACTION_BOOST
int get_number_of_profiles()
{
return 3;
}
#endif
static int set_power_profile(void *data)
{
int profile = data ? *((int*)data) : 0;
int ret = -EINVAL;
const char *profile_name = NULL;
if (profile == current_power_profile)
return 0;
ALOGV("%s: Profile=%d", __func__, profile);
if (current_power_profile != PROFILE_BALANCED) {
undo_hint_action(DEFAULT_PROFILE_HINT_ID);
ALOGV("%s: Hint undone", __func__);
current_power_profile = PROFILE_BALANCED;
}
if (profile == PROFILE_POWER_SAVE) {
int* resource_values = is_target_8064() ?
profile_power_save_8064 : profile_power_save_8960;
ret = perform_hint_action(DEFAULT_PROFILE_HINT_ID,
resource_values, ARRAY_SIZE(resource_values));
profile_name = "powersave";
} else if (profile == PROFILE_HIGH_PERFORMANCE) {
int *resource_values = is_target_8064() ?
profile_high_performance_8064 : profile_high_performance_8960;
ret = perform_hint_action(DEFAULT_PROFILE_HINT_ID,
resource_values, ARRAY_SIZE(resource_values));
profile_name = "performance";
} else if (profile == PROFILE_BALANCED) {
ret = 0;
profile_name = "balanced";
}
if (ret == 0) {
current_power_profile = profile;
ALOGD("%s: Set %s mode", __func__, profile_name);
}
return ret;
}
int power_hint_override(power_hint_t hint, void *data)
{
if (hint == POWER_HINT_SET_PROFILE) {
if (set_power_profile(data) < 0)
ALOGE("Setting power profile failed. perfd not started?");
return HINT_HANDLED;
}
// Skip other hints in high/low power modes
if (current_power_profile == PROFILE_POWER_SAVE ||
current_power_profile == PROFILE_HIGH_PERFORMANCE) {
return HINT_HANDLED;
}
return HINT_NONE;
}
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