254 lines
8.4 KiB
C
254 lines
8.4 KiB
C
/*
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* Copyright (c) 2013, The Linux Foundation. All rights reserved.
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* Copyright (c) 2014, The CyanogenMod 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 <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 first_display_off_hint;
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static int current_power_profile = PROFILE_BALANCED;
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int get_number_of_profiles() {
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return 5;
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}
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/**
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* If target is 8974pro:
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* return 1
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* else:
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* return 0
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*/
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static int is_target_8974pro(void)
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{
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static int is_8974pro = -1;
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int soc_id;
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if (is_8974pro >= 0)
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return is_8974pro;
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soc_id = get_soc_id();
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if (soc_id == 194 || (soc_id >= 208 && soc_id <= 218))
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is_8974pro = 1;
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else
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is_8974pro = 0;
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return is_8974pro;
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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_HIGH_PERFORMANCE) {
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int resource_values[] = { CPUS_ONLINE_MIN_4, 0x0901,
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CPU0_MIN_FREQ_TURBO_MAX, CPU1_MIN_FREQ_TURBO_MAX,
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CPU2_MIN_FREQ_TURBO_MAX, CPU3_MIN_FREQ_TURBO_MAX };
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perform_hint_action(DEFAULT_PROFILE_HINT_ID,
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resource_values, ARRAY_SIZE(resource_values));
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ALOGD("%s: set performance mode", __func__);
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} else if (profile == PROFILE_BIAS_PERFORMANCE) {
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int resource_values[] = {
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CPU0_MIN_FREQ_NONTURBO_MAX + 1, CPU1_MIN_FREQ_NONTURBO_MAX + 1,
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CPU2_MIN_FREQ_NONTURBO_MAX + 1, CPU2_MIN_FREQ_NONTURBO_MAX + 1 };
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perform_hint_action(DEFAULT_PROFILE_HINT_ID,
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resource_values, ARRAY_SIZE(resource_values));
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ALOGD("%s: set bias perf mode", __func__);
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} else if (profile == PROFILE_BIAS_POWER) {
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int resource_values[] = { 0x0A03,
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CPU0_MAX_FREQ_NONTURBO_MAX, CPU1_MAX_FREQ_NONTURBO_MAX,
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CPU1_MAX_FREQ_NONTURBO_MAX, CPU2_MAX_FREQ_NONTURBO_MAX };
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perform_hint_action(DEFAULT_PROFILE_HINT_ID,
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resource_values, ARRAY_SIZE(resource_values));
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ALOGD("%s: set bias power mode", __func__);
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} else if (profile == PROFILE_POWER_SAVE) {
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int resource_values[] = { 0x0A03, CPUS_ONLINE_MAX_LIMIT_2,
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CPU0_MAX_FREQ_NONTURBO_MAX, CPU1_MAX_FREQ_NONTURBO_MAX,
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CPU2_MAX_FREQ_NONTURBO_MAX, CPU3_MAX_FREQ_NONTURBO_MAX };
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perform_hint_action(DEFAULT_PROFILE_HINT_ID,
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resource_values, ARRAY_SIZE(resource_values));
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ALOGD("%s: set powersave", __func__);
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}
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current_power_profile = profile;
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}
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extern void interaction(int duration, int num_args, int opt_list[]);
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int power_hint_override(__attribute__((unused)) struct power_module *module,
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power_hint_t hint, void *data)
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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 high/low power modes
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if (current_power_profile == PROFILE_POWER_SAVE ||
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current_power_profile == PROFILE_HIGH_PERFORMANCE) {
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return HINT_HANDLED;
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}
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if (hint == POWER_HINT_LAUNCH) {
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int duration = 2000;
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int resources[] = { CPUS_ONLINE_MIN_3,
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CPU0_MIN_FREQ_TURBO_MAX, CPU1_MIN_FREQ_TURBO_MAX,
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CPU2_MIN_FREQ_TURBO_MAX, CPU3_MIN_FREQ_TURBO_MAX };
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interaction(duration, ARRAY_SIZE(resources), resources);
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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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int duration = *(int32_t *)data / 1000;
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int resources[] = { CPUS_ONLINE_MIN_2,
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0x20F, 0x30F, 0x40F, 0x50F };
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if (duration)
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interaction(duration, ARRAY_SIZE(resources), resources);
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return HINT_HANDLED;
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}
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if (hint == POWER_HINT_INTERACTION) {
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int duration = 500, duration_hint = 0;
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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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if (data) {
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duration_hint = *((int *)data);
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}
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duration = duration_hint > 0 ? duration_hint : 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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// 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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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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int resources[] = { (duration >= 2000 ? CPUS_ONLINE_MIN_3 : CPUS_ONLINE_MIN_2),
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0x20F, 0x30F, 0x40F, 0x50F };
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if (duration)
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interaction(duration, ARRAY_SIZE(resources), resources);
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return HINT_HANDLED;
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}
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return HINT_NONE;
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}
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int set_interactive_override(struct power_module *module __unused, int on)
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{
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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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/*
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* We need to be able to identify the first display off hint
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* and release the current lock holder
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*/
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if (is_target_8974pro()) {
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if (!first_display_off_hint) {
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undo_initial_hint_action();
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first_display_off_hint = 1;
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}
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/* used for all subsequent toggles to the display */
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undo_hint_action(DISPLAY_STATE_HINT_ID_2);
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}
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if ((strncmp(governor, ONDEMAND_GOVERNOR, strlen(ONDEMAND_GOVERNOR)) == 0) &&
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(strlen(governor) == strlen(ONDEMAND_GOVERNOR))) {
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int resource_values[] = {MS_500, SYNC_FREQ_600, OPTIMAL_FREQ_600, THREAD_MIGRATION_SYNC_OFF};
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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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return HINT_HANDLED;
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}
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} else {
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/* Display on */
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if (is_target_8974pro()) {
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int resource_values2[] = {CPUS_ONLINE_MIN_2};
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perform_hint_action(DISPLAY_STATE_HINT_ID_2,
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resource_values2, ARRAY_SIZE(resource_values2));
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}
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if ((strncmp(governor, ONDEMAND_GOVERNOR, strlen(ONDEMAND_GOVERNOR)) == 0) &&
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(strlen(governor) == strlen(ONDEMAND_GOVERNOR))) {
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undo_hint_action(DISPLAY_STATE_HINT_ID);
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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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