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device_samsung_sm7125-common/power/power-common.c

143 lines
4.5 KiB

/*
* Copyright (c) 2012-2019, The Linux Foundation. All rights reserved.
* Copyright (C) 2017-2021 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 <dlfcn.h>
#include <errno.h>
#include <fcntl.h>
#include <stdlib.h>
#include <string.h>
#include <sys/stat.h>
#include <sys/types.h>
#include <unistd.h>
#define LOG_TAG "QTI PowerHAL"
#include <hardware/hardware.h>
#include <hardware/power.h>
#include <log/log.h>
#include "hint-data.h"
#include "performance.h"
#include "power-common.h"
#include "utils.h"
static struct hint_handles handles[NUM_HINTS];
void power_init() {
ALOGI("Initing");
for (int i = 0; i < NUM_HINTS; i++) {
handles[i].handle = 0;
handles[i].ref_count = 0;
}
}
int __attribute__((weak)) power_hint_override(power_hint_t hint, void* data) {
return HINT_NONE;
}
void power_hint(power_hint_t hint, void* data) {
/* Check if this hint has been overridden. */
if (power_hint_override(hint, data) == HINT_HANDLED) {
/* The power_hint has been handled. We can skip the rest. */
return;
}
switch (hint) {
case POWER_HINT_VR_MODE:
ALOGI("VR mode power hint not handled in power_hint_override");
break;
// fall through below, hints will fail if not defined in powerhint.xml
case POWER_HINT_SUSTAINED_PERFORMANCE:
case POWER_HINT_VIDEO_ENCODE:
if (data) {
if (handles[hint].ref_count == 0)
handles[hint].handle = perf_hint_enable((AOSP_DELTA + hint), 0);
if (handles[hint].handle > 0) handles[hint].ref_count++;
} else {
if (handles[hint].handle > 0) {
if (--handles[hint].ref_count == 0) {
release_request(handles[hint].handle);
handles[hint].handle = 0;
}
} else {
ALOGE("Lock for hint: %X was not acquired, cannot be released", hint);
}
}
break;
default:
break;
}
}
int __attribute__((weak)) get_number_of_profiles() {
return 0;
}
void __attribute__((weak)) set_power_profile(int profile) {}
int __attribute__((weak)) set_interactive_override(int on) {
return HINT_NONE;
}
#ifdef SET_INTERACTIVE_EXT
extern void power_set_interactive_ext(int on);
#endif
void set_interactive(int on) {
static int display_hint_sent;
if (!on) {
/* Send Display OFF hint to perf HAL */
perf_hint_enable(VENDOR_HINT_DISPLAY_OFF, 0);
} else {
/* Send Display ON hint to perf HAL */
perf_hint_enable(VENDOR_HINT_DISPLAY_ON, 0);
}
/**
* Ignore consecutive display-off hints
* Consecutive display-on hints are already handled
*/
if (display_hint_sent && !on) return;
display_hint_sent = !on;
#ifdef SET_INTERACTIVE_EXT
power_set_interactive_ext(on);
#endif
if (set_interactive_override(on) == HINT_HANDLED) {
return;
} else {
ALOGI("Hint not handled in set_interactive_override");
}
}