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/*
* Copyright (c) 2014, The Linux Foundation. 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 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 5;
}
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_POWER_SAVE) {
int resource_values[] = { CPUS_ONLINE_MPD_OVERRIDE, 0x0A03,
CPU0_MAX_FREQ_NONTURBO_MAX - 2, CPU1_MAX_FREQ_NONTURBO_MAX - 2,
CPU2_MAX_FREQ_NONTURBO_MAX - 2, CPU3_MAX_FREQ_NONTURBO_MAX - 2,
CPU4_MAX_FREQ_NONTURBO_MAX - 2, CPU5_MAX_FREQ_NONTURBO_MAX - 2,
CPU6_MAX_FREQ_NONTURBO_MAX - 2, CPU7_MAX_FREQ_NONTURBO_MAX - 2 };
perform_hint_action(DEFAULT_PROFILE_HINT_ID,
resource_values, ARRAY_SIZE(resource_values));
ALOGD("%s: set powersave", __func__);
} else if (profile == PROFILE_HIGH_PERFORMANCE) {
int resource_values[] = { SCHED_BOOST_ON, CPUS_ONLINE_MAX,
ALL_CPUS_PWR_CLPS_DIS, 0x0901,
CPU0_MIN_FREQ_TURBO_MAX, CPU1_MIN_FREQ_TURBO_MAX,
CPU2_MIN_FREQ_TURBO_MAX, CPU3_MIN_FREQ_TURBO_MAX,
CPU4_MIN_FREQ_TURBO_MAX, CPU5_MIN_FREQ_TURBO_MAX,
CPU6_MIN_FREQ_TURBO_MAX, CPU7_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_BIAS_POWER) {
int resource_values[] = { 0x0A03, 0x0902,
CPU0_MAX_FREQ_NONTURBO_MAX - 2, CPU1_MAX_FREQ_NONTURBO_MAX - 2,
CPU1_MAX_FREQ_NONTURBO_MAX - 2, CPU2_MAX_FREQ_NONTURBO_MAX - 2,
CPU4_MAX_FREQ_NONTURBO_MAX, CPU5_MAX_FREQ_NONTURBO_MAX,
CPU6_MAX_FREQ_NONTURBO_MAX, CPU7_MAX_FREQ_NONTURBO_MAX };
perform_hint_action(DEFAULT_PROFILE_HINT_ID,
resource_values, ARRAY_SIZE(resource_values));
ALOGD("%s: set bias power mode", __func__);
} else if (profile == PROFILE_BIAS_PERFORMANCE) {
int resource_values[] = { CPUS_ONLINE_MAX_LIMIT_MAX,
CPU4_MIN_FREQ_NONTURBO_MAX + 1, CPU5_MIN_FREQ_NONTURBO_MAX + 1,
CPU6_MIN_FREQ_NONTURBO_MAX + 1, CPU7_MIN_FREQ_NONTURBO_MAX + 1 };
perform_hint_action(DEFAULT_PROFILE_HINT_ID,
resource_values, ARRAY_SIZE(resource_values));
ALOGD("%s: set bias perf mode", __func__);
}
current_power_profile = profile;
}
extern void interaction(int duration, int num_args, int opt_list[]);
#ifdef __LP64__
typedef int64_t hintdata;
#else
typedef int hintdata;
#endif
static int process_video_encode_hint(void *metadata)
{
char governor[80];
struct video_encode_metadata_t video_encode_metadata;
if (get_scaling_governor(governor, sizeof(governor)) == -1) {
ALOGE("Can't obtain scaling governor.");
return HINT_NONE;
}
/* Initialize encode metadata struct fields */
memset(&video_encode_metadata, 0, sizeof(struct video_encode_metadata_t));
video_encode_metadata.state = -1;
video_encode_metadata.hint_id = DEFAULT_VIDEO_ENCODE_HINT_ID;
if (metadata) {
if (parse_video_encode_metadata((char *)metadata, &video_encode_metadata) ==
-1) {
ALOGE("Error occurred while parsing metadata.");
return HINT_NONE;
}
} else {
return HINT_NONE;
}
if (video_encode_metadata.state == 1) {
if ((strncmp(governor, INTERACTIVE_GOVERNOR, strlen(INTERACTIVE_GOVERNOR)) == 0) &&
(strlen(governor) == strlen(INTERACTIVE_GOVERNOR))) {
/* sched and cpufreq params
* hispeed freq - 768 MHz
* target load - 90
* above_hispeed_delay - 40ms
* sched_small_tsk - 50
*/
int resource_values[] = {0x2C07, 0x2F5A, 0x2704, 0x4032};
perform_hint_action(video_encode_metadata.hint_id,
resource_values, ARRAY_SIZE(resource_values));
return HINT_HANDLED;
}
} else if (video_encode_metadata.state == 0) {
if ((strncmp(governor, INTERACTIVE_GOVERNOR, strlen(INTERACTIVE_GOVERNOR)) == 0) &&
(strlen(governor) == strlen(INTERACTIVE_GOVERNOR))) {
undo_hint_action(video_encode_metadata.hint_id);
return HINT_HANDLED;
}
}
return HINT_NONE;
}
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_POWER_SAVE) {
return HINT_HANDLED;
}
if (hint == POWER_HINT_INTERACTION) {
int duration = 500, duration_hint = 0;
static struct timespec s_previous_boost_timespec;
struct timespec cur_boost_timespec;
long long elapsed_time;
if (data) {
duration_hint = *((int *)data);
}
duration = duration_hint > 0 ? duration_hint : 500;
clock_gettime(CLOCK_MONOTONIC, &cur_boost_timespec);
elapsed_time = calc_timespan_us(s_previous_boost_timespec, cur_boost_timespec);
if (elapsed_time > 750000)
elapsed_time = 750000;
// don't hint if it's been less than 250ms since last boost
// also detect if we're doing anything resembling a fling
// support additional boosting in case of flings
else if (elapsed_time < 250000 && duration <= 750)
return HINT_HANDLED;
s_previous_boost_timespec = cur_boost_timespec;
if (duration >= 1500) {
int resources[] = {
ALL_CPUS_PWR_CLPS_DIS,
SCHED_BOOST_ON,
SCHED_PREFER_IDLE_DIS
};
interaction(duration, ARRAY_SIZE(resources), resources);
} else {
int resources[] = {
ALL_CPUS_PWR_CLPS_DIS,
SCHED_PREFER_IDLE_DIS
};
interaction(duration, ARRAY_SIZE(resources), resources);
}
return HINT_HANDLED;
}
if (hint == POWER_HINT_LAUNCH) {
int duration = 2000;
int resources[] = { SCHED_BOOST_ON, 0x20C };
interaction(duration, ARRAY_SIZE(resources), resources);
return HINT_HANDLED;
}
if (hint == POWER_HINT_CPU_BOOST) {
int duration = *(int32_t *)data / 1000;
int resources[] = { SCHED_BOOST_ON };
if (duration > 0)
interaction(duration, ARRAY_SIZE(resources), resources);
return HINT_HANDLED;
}
if (hint == POWER_HINT_VIDEO_ENCODE) {
return process_video_encode_hint(data);
}
return HINT_NONE;
}
int set_interactive_override(__attribute__((unused)) struct power_module *module, int on)
{
char governor[80];
if (get_scaling_governor(governor, sizeof(governor)) == -1) {
ALOGE("Can't obtain scaling governor.");
return HINT_NONE;
}
if (!on) {
/* Display off */
if ((strncmp(governor, INTERACTIVE_GOVERNOR, strlen(INTERACTIVE_GOVERNOR)) == 0) &&
(strlen(governor) == strlen(INTERACTIVE_GOVERNOR))) {
// sched upmigrate = 99, sched downmigrate = 95
// keep the big cores around, but make them very hard to use
int resource_values[] = { 0x4E63, 0x4F5F };
perform_hint_action(DISPLAY_STATE_HINT_ID,
resource_values, ARRAY_SIZE(resource_values));
return HINT_HANDLED;
}
} else {
/* Display on */
if ((strncmp(governor, INTERACTIVE_GOVERNOR, strlen(INTERACTIVE_GOVERNOR)) == 0) &&
(strlen(governor) == strlen(INTERACTIVE_GOVERNOR))) {
undo_hint_action(DISPLAY_STATE_HINT_ID);
return HINT_HANDLED;
}
}
return HINT_NONE;
}
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