448 lines
15 KiB
C
448 lines
15 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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#define MIN_FREQ_CPU0_DISP_OFF 400000
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#define MIN_FREQ_CPU0_DISP_ON 960000
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char scaling_min_freq[4][80] ={
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"sys/devices/system/cpu/cpu0/cpufreq/scaling_min_freq",
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"sys/devices/system/cpu/cpu1/cpufreq/scaling_min_freq",
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"sys/devices/system/cpu/cpu2/cpufreq/scaling_min_freq",
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"sys/devices/system/cpu/cpu3/cpufreq/scaling_min_freq"
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};
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static int slack_node_rw_failed = 0;
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int get_number_of_profiles() {
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return 3;
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}
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static int current_power_profile = PROFILE_BALANCED;
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/**
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* If target is 8916:
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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_8916(void)
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{
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static int is_8916 = -1;
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int soc_id;
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if (is_8916 >= 0)
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return is_8916;
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soc_id = get_soc_id();
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if (soc_id == 206 || (soc_id >= 247 && soc_id <= 250))
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is_8916 = 1;
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else
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is_8916 = 0;
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return is_8916;
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}
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static int profile_high_performance_8916[3] = {
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0x1C00, 0x0901, CPU0_MIN_FREQ_TURBO_MAX,
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};
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static int profile_high_performance_8939[11] = {
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SCHED_BOOST_ON, 0x1C00, 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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CPU4_MIN_FREQ_TURBO_MAX, CPU5_MIN_FREQ_TURBO_MAX,
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CPU6_MIN_FREQ_TURBO_MAX, CPU7_MIN_FREQ_TURBO_MAX,
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};
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static int profile_power_save_8916[1] = {
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CPU0_MAX_FREQ_NONTURBO_MAX,
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};
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static int profile_power_save_8939[5] = {
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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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};
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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 = is_target_8916() ?
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profile_high_performance_8916 : profile_high_performance_8939;
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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_POWER_SAVE) {
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int* resource_values = is_target_8916() ?
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profile_power_save_8916 : profile_power_save_8939;
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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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static void process_video_decode_hint(void *metadata)
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{
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char governor[80];
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struct video_decode_metadata_t video_decode_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;
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}
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if (metadata) {
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ALOGI("Processing video decode hint. Metadata: %s", (char *)metadata);
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}
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/* Initialize encode metadata struct fields. */
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memset(&video_decode_metadata, 0, sizeof(struct video_decode_metadata_t));
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video_decode_metadata.state = -1;
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video_decode_metadata.hint_id = DEFAULT_VIDEO_DECODE_HINT_ID;
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if (metadata) {
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if (parse_video_decode_metadata((char *)metadata, &video_decode_metadata) ==
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-1) {
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ALOGE("Error occurred while parsing metadata.");
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return;
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}
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} else {
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return;
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}
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if (video_decode_metadata.state == 1) {
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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[] = {THREAD_MIGRATION_SYNC_OFF};
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perform_hint_action(video_decode_metadata.hint_id,
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resource_values, ARRAY_SIZE(resource_values));
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} else 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[] = {TR_MS_30, HISPEED_LOAD_90, HS_FREQ_1026};
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perform_hint_action(video_decode_metadata.hint_id,
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resource_values, ARRAY_SIZE(resource_values));
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}
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} else if (video_decode_metadata.state == 0) {
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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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} else 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_decode_metadata.hint_id);
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}
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}
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}
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static void 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;
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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;
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}
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} else {
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return;
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}
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if (video_encode_metadata.state == 1) {
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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[] = {IO_BUSY_OFF, SAMPLING_DOWN_FACTOR_1, THREAD_MIGRATION_SYNC_OFF};
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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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} else 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[] = {HS_FREQ_800, 0x1C00};
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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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}
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} else if (video_encode_metadata.state == 0) {
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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(video_encode_metadata.hint_id);
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} else 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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}
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}
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}
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extern void interaction(int duration, int num_args, int opt_list[]);
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#ifdef __LP64__
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typedef int64_t hintdata;
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#else
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typedef int hintdata;
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#endif
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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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char tmp_str[NODE_MAX];
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struct video_encode_metadata_t video_encode_metadata;
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int rc;
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ALOGI("Got set_interactive hint");
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if (get_scaling_governor_check_cores(governor, sizeof(governor),CPU0) == -1) {
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if (get_scaling_governor_check_cores(governor, sizeof(governor),CPU1) == -1) {
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if (get_scaling_governor_check_cores(governor, sizeof(governor),CPU2) == -1) {
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if (get_scaling_governor_check_cores(governor, sizeof(governor),CPU3) == -1) {
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ALOGE("Can't obtain scaling governor.");
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return HINT_HANDLED;
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}
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}
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}
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}
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if (!on) {
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/* Display off. */
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if (is_target_8916()) {
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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[] = {TR_MS_50, 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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} /* Perf time rate set for 8916 target*/
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/* End of display hint for 8916 */
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} else {
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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[] = {TR_MS_CPU0_50,TR_MS_CPU4_50, THREAD_MIGRATION_SYNC_OFF};
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/* Set CPU0 MIN FREQ to 400Mhz avoid extra peak power
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impact in volume key press */
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snprintf(tmp_str, NODE_MAX, "%d", MIN_FREQ_CPU0_DISP_OFF);
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if (sysfs_write(scaling_min_freq[0], tmp_str) != 0) {
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if (sysfs_write(scaling_min_freq[1], tmp_str) != 0) {
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if (sysfs_write(scaling_min_freq[2], tmp_str) != 0) {
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if (sysfs_write(scaling_min_freq[3], tmp_str) != 0) {
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if(!slack_node_rw_failed) {
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ALOGE("Failed to write to %s",SCALING_MIN_FREQ );
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}
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rc = 1;
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}
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}
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}
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}
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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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} /* Perf time rate set for CORE0,CORE4 8939 target*/
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/* End of display hint for 8939 */
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}
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} else {
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/* Display on. */
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if (is_target_8916()) {
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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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}
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} else {
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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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/* Recovering MIN_FREQ in display ON case */
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snprintf(tmp_str, NODE_MAX, "%d", MIN_FREQ_CPU0_DISP_ON);
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if (sysfs_write(scaling_min_freq[0], tmp_str) != 0) {
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if (sysfs_write(scaling_min_freq[1], tmp_str) != 0) {
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if (sysfs_write(scaling_min_freq[2], tmp_str) != 0) {
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if (sysfs_write(scaling_min_freq[3], tmp_str) != 0) {
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if(!slack_node_rw_failed) {
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ALOGE("Failed to write to %s",SCALING_MIN_FREQ );
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}
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rc = 1;
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}
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}
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}
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}
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undo_hint_action(DISPLAY_STATE_HINT_ID);
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}
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} /* End of check condition during the DISPLAY ON case */
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}
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return HINT_HANDLED;
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}
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int power_hint_override(struct power_module *module __unused, 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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}
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// Skip other hints in custom power modes
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if (current_power_profile != PROFILE_BALANCED) {
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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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if (duration >= 1500) {
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int resources[] = {
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ALL_CPUS_PWR_CLPS_DIS,
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SCHED_BOOST_ON,
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SCHED_PREFER_IDLE_DIS,
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0x20D
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};
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interaction(duration, ARRAY_SIZE(resources), resources);
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} else {
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int resources[] = {
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ALL_CPUS_PWR_CLPS_DIS,
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SCHED_PREFER_IDLE_DIS,
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0x20D
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};
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interaction(duration, ARRAY_SIZE(resources), resources);
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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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int duration = 2000;
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int resources[] = {
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ALL_CPUS_PWR_CLPS_DIS,
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SCHED_BOOST_ON,
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SCHED_PREFER_IDLE_DIS,
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0x20F,
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0x1C00,
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0x4001,
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0x4101,
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0x4201
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};
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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[] = {
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ALL_CPUS_PWR_CLPS_DIS,
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SCHED_BOOST_ON,
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SCHED_PREFER_IDLE_DIS,
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0x20D
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};
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if (duration > 0)
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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_VIDEO_ENCODE) {
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process_video_encode_hint(data);
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return HINT_HANDLED;
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}
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if (hint == POWER_HINT_VIDEO_DECODE) {
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process_video_decode_hint(data);
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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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