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143 lines
4.5 KiB
143 lines
4.5 KiB
/*
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* Copyright (c) 2012-2019, The Linux Foundation. All rights reserved.
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* Copyright (C) 2017-2021 The LineageOS Project
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions are
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* met:
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* * * Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer.
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* * Redistributions in binary form must reproduce the above
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* copyright notice, this list of conditions and the following
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* disclaimer in the documentation and/or other materials provided
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* with the distribution.
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* * Neither the name of The Linux Foundation nor the names of its
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* contributors may be used to endorse or promote products derived
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* from this software without specific prior written permission.
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*
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* THIS SOFTWARE IS PROVIDED "AS IS" AND ANY EXPRESS OR IMPLIED
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* WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF
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* MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT
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* ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS
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* BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
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* CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
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* SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR
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* BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY,
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* WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE
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* OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN
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* IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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*/
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#define LOG_NIDEBUG 0
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#include <dlfcn.h>
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#include <errno.h>
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#include <fcntl.h>
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#include <stdlib.h>
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#include <string.h>
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#include <sys/stat.h>
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#include <sys/types.h>
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#include <unistd.h>
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#define LOG_TAG "QTI PowerHAL"
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#include <hardware/hardware.h>
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#include <hardware/power.h>
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#include <log/log.h>
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#include "hint-data.h"
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#include "performance.h"
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#include "power-common.h"
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#include "utils.h"
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static struct hint_handles handles[NUM_HINTS];
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void power_init() {
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ALOGI("Initing");
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for (int i = 0; i < NUM_HINTS; i++) {
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handles[i].handle = 0;
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handles[i].ref_count = 0;
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}
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}
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int __attribute__((weak)) power_hint_override(power_hint_t hint, void* data) {
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return HINT_NONE;
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}
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void power_hint(power_hint_t hint, void* data) {
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/* Check if this hint has been overridden. */
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if (power_hint_override(hint, data) == HINT_HANDLED) {
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/* The power_hint has been handled. We can skip the rest. */
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return;
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}
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switch (hint) {
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case POWER_HINT_VR_MODE:
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ALOGI("VR mode power hint not handled in power_hint_override");
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break;
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// fall through below, hints will fail if not defined in powerhint.xml
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case POWER_HINT_SUSTAINED_PERFORMANCE:
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case POWER_HINT_VIDEO_ENCODE:
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if (data) {
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if (handles[hint].ref_count == 0)
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handles[hint].handle = perf_hint_enable((AOSP_DELTA + hint), 0);
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if (handles[hint].handle > 0) handles[hint].ref_count++;
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} else {
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if (handles[hint].handle > 0) {
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if (--handles[hint].ref_count == 0) {
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release_request(handles[hint].handle);
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handles[hint].handle = 0;
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}
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} else {
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ALOGE("Lock for hint: %X was not acquired, cannot be released", hint);
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}
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}
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break;
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default:
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break;
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}
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}
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int __attribute__((weak)) get_number_of_profiles() {
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return 0;
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}
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void __attribute__((weak)) set_power_profile(int profile) {}
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int __attribute__((weak)) set_interactive_override(int on) {
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return HINT_NONE;
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}
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#ifdef SET_INTERACTIVE_EXT
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extern void power_set_interactive_ext(int on);
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#endif
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void set_interactive(int on) {
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static int display_hint_sent;
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if (!on) {
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/* Send Display OFF hint to perf HAL */
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perf_hint_enable(VENDOR_HINT_DISPLAY_OFF, 0);
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} else {
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/* Send Display ON hint to perf HAL */
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perf_hint_enable(VENDOR_HINT_DISPLAY_ON, 0);
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}
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/**
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* Ignore consecutive display-off hints
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* Consecutive display-on hints are already handled
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*/
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if (display_hint_sent && !on) return;
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display_hint_sent = !on;
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#ifdef SET_INTERACTIVE_EXT
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power_set_interactive_ext(on);
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#endif
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if (set_interactive_override(on) == HINT_HANDLED) {
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return;
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} else {
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ALOGI("Hint not handled in set_interactive_override");
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}
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}
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