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/*
* Copyright (c) 2013, The Linux Foundation. All rights reserved.
* Copyright (c) 2014, The CyanogenMod 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 <utils/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"
int get_number_of_profiles() {
return 3;
}
static int current_power_profile = PROFILE_BALANCED;
static void set_power_profile(int profile) {
if (profile == current_power_profile)
return;
ALOGV("%s: profile=%d", __func__, profile);
if (current_power_profile != PROFILE_BALANCED) {
undo_hint_action(DEFAULT_PROFILE_HINT_ID);
ALOGV("%s: hint undone", __func__);
}
if (profile == PROFILE_HIGH_PERFORMANCE) {
int resource_values[] = { CPUS_ONLINE_MIN_4,
CPU0_MIN_FREQ_TURBO_MAX, CPU1_MIN_FREQ_TURBO_MAX,
CPU2_MIN_FREQ_TURBO_MAX, CPU3_MIN_FREQ_TURBO_MAX };
perform_hint_action(DEFAULT_PROFILE_HINT_ID,
resource_values, ARRAY_SIZE(resource_values));
ALOGD("%s: set performance mode", __func__);
} else if (profile == PROFILE_POWER_SAVE) {
int resource_values[] = { CPUS_ONLINE_MAX_LIMIT_2,
CPU0_MAX_FREQ_NONTURBO_MAX, CPU1_MAX_FREQ_NONTURBO_MAX,
CPU2_MAX_FREQ_NONTURBO_MAX, CPU3_MAX_FREQ_NONTURBO_MAX };
perform_hint_action(DEFAULT_PROFILE_HINT_ID,
resource_values, ARRAY_SIZE(resource_values));
ALOGD("%s: set powersave", __func__);
}
current_power_profile = profile;
}
extern void interaction(int duration, int num_args, int opt_list[]);
int power_hint_override(__attribute__((unused)) struct power_module *module,
power_hint_t hint, void *data)
{
if (hint == POWER_HINT_SET_PROFILE) {
set_power_profile(*(int32_t *)data);
return HINT_HANDLED;
}
// Skip other hints in custom power modes
if (current_power_profile != PROFILE_BALANCED) {
return HINT_HANDLED;
}
if (hint == POWER_HINT_CPU_BOOST) {
int duration = *(int32_t *)data / 1000;
int resources[] = { CPUS_ONLINE_MIN_2, 0x20F, 0x30F};
if (duration > 0)
interaction(duration, ARRAY_SIZE(resources), resources);
return HINT_HANDLED;
} else if (hint == POWER_HINT_INTERACTION) {
int resources[] = {0x702, 0x20B, 0x30B};
int duration = 3000;
interaction(duration, ARRAY_SIZE(resources), resources);
return HINT_HANDLED;
}
return HINT_NONE;
}
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