potter: back to N power HAL
Change-Id: Ibaf21913ba08750d69479b07a5b31bb31fdb7418
This commit is contained in:
Vachounet
321
power/power-8998.c
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321
power/power-8998.c
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/*
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* Copyright (c) 2015-2016, The Linux Foundation. All rights reserved.
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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 <errno.h>
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#include <string.h>
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#include <sys/types.h>
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#include <sys/stat.h>
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#include <fcntl.h>
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#include <dlfcn.h>
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#include <stdlib.h>
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#define LOG_TAG "QCOM PowerHAL"
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#include <utils/Log.h>
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#include <hardware/hardware.h>
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#include <hardware/power.h>
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#include "utils.h"
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#include "metadata-defs.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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static int current_power_profile = PROFILE_BALANCED;
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extern void interaction(int duration, int num_args, int opt_list[]);
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int get_number_of_profiles() {
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return 5;
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}
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static int profile_high_performance[] = {
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SCHED_BOOST_ON_V3, 0x1,
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ALL_CPUS_PWR_CLPS_DIS_V3, 0x1,
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CPUS_ONLINE_MIN_BIG, 0x2,
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CPUS_ONLINE_MIN_LITTLE, 0x2,
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MIN_FREQ_BIG_CORE_0, 0xFFF,
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MIN_FREQ_LITTLE_CORE_0, 0xFFF,
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};
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static int profile_power_save[] = {
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CPUS_ONLINE_MAX_LIMIT_BIG, 0x1,
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MAX_FREQ_BIG_CORE_0, 0x3E8,
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MAX_FREQ_LITTLE_CORE_0, 0x3E8,
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};
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static int profile_bias_power[] = {
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MAX_FREQ_BIG_CORE_0, 0x514,
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MAX_FREQ_LITTLE_CORE_0, 0x3E8,
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};
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static int profile_bias_performance[] = {
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CPUS_ONLINE_MAX_LIMIT_BIG, 0x2,
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CPUS_ONLINE_MAX_LIMIT_LITTLE, 0x2,
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MIN_FREQ_BIG_CORE_0, 0x578,
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};
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static void set_power_profile(int profile) {
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if (profile == current_power_profile)
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return;
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ALOGV("%s: Profile=%d", __func__, profile);
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if (current_power_profile != PROFILE_BALANCED) {
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undo_hint_action(DEFAULT_PROFILE_HINT_ID);
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ALOGV("%s: Hint undone", __func__);
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}
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if (profile == PROFILE_POWER_SAVE) {
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perform_hint_action(DEFAULT_PROFILE_HINT_ID, profile_power_save,
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ARRAY_SIZE(profile_power_save));
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ALOGD("%s: Set powersave mode", __func__);
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} else if (profile == PROFILE_HIGH_PERFORMANCE) {
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perform_hint_action(DEFAULT_PROFILE_HINT_ID, profile_high_performance,
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ARRAY_SIZE(profile_high_performance));
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ALOGD("%s: Set performance mode", __func__);
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} else if (profile == PROFILE_BIAS_POWER) {
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perform_hint_action(DEFAULT_PROFILE_HINT_ID, profile_bias_power,
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ARRAY_SIZE(profile_bias_power));
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ALOGD("%s: Set bias power mode", __func__);
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} else if (profile == PROFILE_BIAS_PERFORMANCE) {
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perform_hint_action(DEFAULT_PROFILE_HINT_ID, profile_bias_performance,
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ARRAY_SIZE(profile_bias_performance));
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ALOGD("%s: Set bias perf mode", __func__);
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}
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current_power_profile = profile;
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}
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static int process_video_encode_hint(void *metadata)
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{
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char governor[80];
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struct video_encode_metadata_t video_encode_metadata;
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if (get_scaling_governor(governor, sizeof(governor)) == -1) {
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ALOGE("Can't obtain scaling governor.");
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return HINT_NONE;
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}
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/* Initialize encode metadata struct fields */
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memset(&video_encode_metadata, 0, sizeof(struct video_encode_metadata_t));
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video_encode_metadata.state = -1;
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video_encode_metadata.hint_id = DEFAULT_VIDEO_ENCODE_HINT_ID;
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if (metadata) {
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if (parse_video_encode_metadata((char *)metadata, &video_encode_metadata) ==
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-1) {
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ALOGE("Error occurred while parsing metadata.");
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return HINT_NONE;
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}
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} else {
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return HINT_NONE;
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}
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if (video_encode_metadata.state == 1) {
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if ((strncmp(governor, INTERACTIVE_GOVERNOR, strlen(INTERACTIVE_GOVERNOR)) == 0) &&
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(strlen(governor) == strlen(INTERACTIVE_GOVERNOR))) {
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/* 1. cpufreq params
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* -above_hispeed_delay for LVT - 40ms
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* -go hispeed load for LVT - 95
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* -hispeed freq for LVT - 556 MHz
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* -target load for LVT - 90
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* -above hispeed delay for sLVT - 40ms
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* -go hispeed load for sLVT - 95
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* -hispeed freq for sLVT - 806 MHz
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* -target load for sLVT - 90
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* 2. bus DCVS set to V2 config:
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* -low power ceil mpbs - 2500
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* -low power io percent - 50
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* 3. hysteresis optimization
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* -bus dcvs hysteresis tuning
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* -sample_ms of 10 ms
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*/
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int resource_values[] = {
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ABOVE_HISPEED_DELAY_BIG, 0x4,
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GO_HISPEED_LOAD_BIG, 0x5F,
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HISPEED_FREQ_BIG, 0x326,
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TARGET_LOADS_BIG, 0x5A,
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ABOVE_HISPEED_DELAY_LITTLE, 0x4,
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GO_HISPEED_LOAD_LITTLE, 0x5F,
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HISPEED_FREQ_LITTLE, 0x22C,
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TARGET_LOADS_LITTLE, 0x5A,
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LOW_POWER_CEIL_MBPS, 0x9C4,
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LOW_POWER_IO_PERCENT, 0x32,
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CPUBW_HWMON_V1, 0x0,
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CPUBW_HWMON_SAMPLE_MS, 0xA,
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};
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perform_hint_action(video_encode_metadata.hint_id,
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resource_values, ARRAY_SIZE(resource_values));
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ALOGI("Video Encode hint start");
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return HINT_HANDLED;
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}
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} else if (video_encode_metadata.state == 0) {
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if ((strncmp(governor, INTERACTIVE_GOVERNOR, strlen(INTERACTIVE_GOVERNOR)) == 0) &&
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(strlen(governor) == strlen(INTERACTIVE_GOVERNOR))) {
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undo_hint_action(video_encode_metadata.hint_id);
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ALOGI("Video Encode hint stop");
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return HINT_HANDLED;
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}
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}
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return HINT_NONE;
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}
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int power_hint_override(__unused struct power_module *module,
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power_hint_t hint, void *data)
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{
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static struct timespec s_previous_boost_timespec;
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struct timespec cur_boost_timespec;
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long long elapsed_time;
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int duration;
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int resources_launch[] = {
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SCHED_BOOST_ON_V3, 0x1,
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MAX_FREQ_BIG_CORE_0, 0x939,
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MAX_FREQ_LITTLE_CORE_0, 0xFFF,
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MIN_FREQ_BIG_CORE_0, 0xFFF,
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MIN_FREQ_LITTLE_CORE_0, 0xFFF,
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CPUBW_HWMON_MIN_FREQ, 0x8C,
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ALL_CPUS_PWR_CLPS_DIS_V3, 0x1,
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STOR_CLK_SCALE_DIS, 0x1,
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};
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int resources_cpu_boost[] = {
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SCHED_BOOST_ON_V3, 0x2,
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};
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int resources_interaction_fling_boost[] = {
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CPUBW_HWMON_MIN_FREQ, 0x33,
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MIN_FREQ_BIG_CORE_0, 0x3E8,
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MIN_FREQ_LITTLE_CORE_0, 0x3E8,
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SCHED_BOOST_ON_V3, 0x2,
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};
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int resources_interaction_boost[] = {
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MIN_FREQ_BIG_CORE_0, 0x3E8,
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};
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if (hint == POWER_HINT_SET_PROFILE) {
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set_power_profile(*(int32_t *)data);
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return HINT_HANDLED;
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}
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/* Skip other hints in power save mode */
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if (current_power_profile == PROFILE_POWER_SAVE)
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return HINT_HANDLED;
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if (hint == POWER_HINT_INTERACTION) {
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duration = data ? *((int *)data) : 500;
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clock_gettime(CLOCK_MONOTONIC, &cur_boost_timespec);
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elapsed_time = calc_timespan_us(s_previous_boost_timespec, cur_boost_timespec);
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if (elapsed_time > 750000)
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elapsed_time = 750000;
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/**
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* Don't hint if it's been less than 250ms since last boost
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* also detect if we're doing anything resembling a fling
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* support additional boosting in case of flings
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*/
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else if (elapsed_time < 250000 && duration <= 750)
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return HINT_HANDLED;
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s_previous_boost_timespec = cur_boost_timespec;
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if (duration >= 1500) {
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interaction(duration, ARRAY_SIZE(resources_interaction_fling_boost),
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resources_interaction_fling_boost);
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} else {
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interaction(duration, ARRAY_SIZE(resources_interaction_boost),
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resources_interaction_boost);
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}
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return HINT_HANDLED;
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}
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if (hint == POWER_HINT_LAUNCH) {
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duration = 2000;
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interaction(duration, ARRAY_SIZE(resources_launch),
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resources_launch);
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return HINT_HANDLED;
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}
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if (hint == POWER_HINT_CPU_BOOST) {
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duration = *(int32_t *)data / 1000;
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if (duration > 0) {
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interaction(duration, ARRAY_SIZE(resources_cpu_boost),
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resources_cpu_boost);
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return HINT_HANDLED;
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}
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}
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if (hint == POWER_HINT_VIDEO_ENCODE)
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return process_video_encode_hint(data);
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return HINT_NONE;
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}
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int set_interactive_override(__unused struct power_module *module, int on)
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{
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return HINT_HANDLED; /* Don't excecute this code path, not in use */
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char governor[80];
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if (get_scaling_governor(governor, sizeof(governor)) == -1) {
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ALOGE("Can't obtain scaling governor.");
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return HINT_NONE;
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}
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if (!on) {
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/* Display off */
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if ((strncmp(governor, INTERACTIVE_GOVERNOR, strlen(INTERACTIVE_GOVERNOR)) == 0) &&
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(strlen(governor) == strlen(INTERACTIVE_GOVERNOR))) {
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int resource_values[] = {}; /* dummy node */
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perform_hint_action(DISPLAY_STATE_HINT_ID,
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resource_values, ARRAY_SIZE(resource_values));
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ALOGI("Display Off hint start");
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return HINT_HANDLED;
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}
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} else {
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/* Display on */
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if ((strncmp(governor, INTERACTIVE_GOVERNOR, strlen(INTERACTIVE_GOVERNOR)) == 0) &&
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(strlen(governor) == strlen(INTERACTIVE_GOVERNOR))) {
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undo_hint_action(DISPLAY_STATE_HINT_ID);
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ALOGI("Display Off hint stop");
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return HINT_HANDLED;
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}
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}
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return HINT_NONE;
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}
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