| /* |
| * Copyright (c) 2014, The Linux Foundation. All rights reserved. |
| * |
| * 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 <errno.h> |
| #include <string.h> |
| #include <sys/types.h> |
| #include <sys/stat.h> |
| #include <fcntl.h> |
| #include <dlfcn.h> |
| #include <stdlib.h> |
| |
| #define LOG_TAG "QCOM PowerHAL" |
| #include <utils/Log.h> |
| #include <hardware/hardware.h> |
| #include <hardware/power.h> |
| |
| #include "utils.h" |
| #include "metadata-defs.h" |
| #include "hint-data.h" |
| #include "performance.h" |
| #include "power-common.h" |
| |
| static int display_hint_sent; |
| |
| int get_number_of_profiles() { |
| return 5; |
| } |
| |
| static int current_power_profile = PROFILE_BALANCED; |
| |
| static void set_power_profile(int profile) { |
| |
| if (profile == current_power_profile) |
| return; |
| |
| ALOGV("%s: profile=%d", __func__, profile); |
| |
| if (current_power_profile != PROFILE_BALANCED) { |
| undo_hint_action(DEFAULT_PROFILE_HINT_ID); |
| ALOGV("%s: hint undone", __func__); |
| } |
| |
| if (profile == PROFILE_POWER_SAVE) { |
| int resource_values[] = { CPUS_ONLINE_MPD_OVERRIDE, 0x0A03, |
| CPU0_MAX_FREQ_NONTURBO_MAX - 2, CPU1_MAX_FREQ_NONTURBO_MAX - 2, |
| CPU2_MAX_FREQ_NONTURBO_MAX - 2, CPU3_MAX_FREQ_NONTURBO_MAX - 2, |
| CPU4_MAX_FREQ_NONTURBO_MAX - 2, CPU5_MAX_FREQ_NONTURBO_MAX - 2, |
| CPU6_MAX_FREQ_NONTURBO_MAX - 2, CPU7_MAX_FREQ_NONTURBO_MAX - 2 }; |
| perform_hint_action(DEFAULT_PROFILE_HINT_ID, |
| resource_values, ARRAY_SIZE(resource_values)); |
| ALOGD("%s: set powersave", __func__); |
| } else if (profile == PROFILE_HIGH_PERFORMANCE) { |
| int resource_values[] = { SCHED_BOOST_ON, CPUS_ONLINE_MAX, |
| ALL_CPUS_PWR_CLPS_DIS, 0x0901, |
| CPU0_MIN_FREQ_TURBO_MAX, CPU1_MIN_FREQ_TURBO_MAX, |
| CPU2_MIN_FREQ_TURBO_MAX, CPU3_MIN_FREQ_TURBO_MAX, |
| CPU4_MIN_FREQ_TURBO_MAX, CPU5_MIN_FREQ_TURBO_MAX, |
| CPU6_MIN_FREQ_TURBO_MAX, CPU7_MIN_FREQ_TURBO_MAX }; |
| perform_hint_action(DEFAULT_PROFILE_HINT_ID, |
| resource_values, ARRAY_SIZE(resource_values)); |
| ALOGD("%s: set performance mode", __func__); |
| } else if (profile == PROFILE_BIAS_POWER) { |
| int resource_values[] = { 0x0A03, 0x0902, |
| CPU0_MAX_FREQ_NONTURBO_MAX - 2, CPU1_MAX_FREQ_NONTURBO_MAX - 2, |
| CPU1_MAX_FREQ_NONTURBO_MAX - 2, CPU2_MAX_FREQ_NONTURBO_MAX - 2, |
| CPU4_MAX_FREQ_NONTURBO_MAX, CPU5_MAX_FREQ_NONTURBO_MAX, |
| CPU6_MAX_FREQ_NONTURBO_MAX, CPU7_MAX_FREQ_NONTURBO_MAX }; |
| perform_hint_action(DEFAULT_PROFILE_HINT_ID, |
| resource_values, ARRAY_SIZE(resource_values)); |
| ALOGD("%s: set bias power mode", __func__); |
| } else if (profile == PROFILE_BIAS_PERFORMANCE) { |
| int resource_values[] = { CPUS_ONLINE_MAX_LIMIT_MAX, |
| CPU4_MIN_FREQ_NONTURBO_MAX + 1, CPU5_MIN_FREQ_NONTURBO_MAX + 1, |
| CPU6_MIN_FREQ_NONTURBO_MAX + 1, CPU7_MIN_FREQ_NONTURBO_MAX + 1 }; |
| perform_hint_action(DEFAULT_PROFILE_HINT_ID, |
| resource_values, ARRAY_SIZE(resource_values)); |
| ALOGD("%s: set bias perf mode", __func__); |
| } |
| |
| current_power_profile = profile; |
| } |
| |
| extern void interaction(int duration, int num_args, int opt_list[]); |
| |
| #ifdef __LP64__ |
| typedef int64_t hintdata; |
| #else |
| typedef int hintdata; |
| #endif |
| |
| static int process_video_encode_hint(void *metadata) |
| { |
| char governor[80]; |
| struct video_encode_metadata_t video_encode_metadata; |
| |
| if (get_scaling_governor(governor, sizeof(governor)) == -1) { |
| ALOGE("Can't obtain scaling governor."); |
| |
| return HINT_NONE; |
| } |
| |
| /* Initialize encode metadata struct fields */ |
| memset(&video_encode_metadata, 0, sizeof(struct video_encode_metadata_t)); |
| video_encode_metadata.state = -1; |
| video_encode_metadata.hint_id = DEFAULT_VIDEO_ENCODE_HINT_ID; |
| |
| if (metadata) { |
| if (parse_video_encode_metadata((char *)metadata, &video_encode_metadata) == |
| -1) { |
| ALOGE("Error occurred while parsing metadata."); |
| return HINT_NONE; |
| } |
| } else { |
| return HINT_NONE; |
| } |
| |
| if (video_encode_metadata.state == 1) { |
| if ((strncmp(governor, INTERACTIVE_GOVERNOR, strlen(INTERACTIVE_GOVERNOR)) == 0) && |
| (strlen(governor) == strlen(INTERACTIVE_GOVERNOR))) { |
| /* sched and cpufreq params |
| * hispeed freq - 768 MHz |
| * target load - 90 |
| * above_hispeed_delay - 40ms |
| * sched_small_tsk - 50 |
| */ |
| int resource_values[] = {0x2C07, 0x2F5A, 0x2704, 0x4032}; |
| |
| perform_hint_action(video_encode_metadata.hint_id, |
| resource_values, ARRAY_SIZE(resource_values)); |
| return HINT_HANDLED; |
| } |
| } else if (video_encode_metadata.state == 0) { |
| if ((strncmp(governor, INTERACTIVE_GOVERNOR, strlen(INTERACTIVE_GOVERNOR)) == 0) && |
| (strlen(governor) == strlen(INTERACTIVE_GOVERNOR))) { |
| undo_hint_action(video_encode_metadata.hint_id); |
| return HINT_HANDLED; |
| } |
| } |
| return HINT_NONE; |
| } |
| |
| int power_hint_override(__attribute__((unused)) struct power_module *module, |
| power_hint_t hint, void *data) |
| { |
| if (hint == POWER_HINT_SET_PROFILE) { |
| set_power_profile(*(int32_t *)data); |
| return HINT_HANDLED; |
| } |
| |
| // Skip other hints in custom power modes |
| if (current_power_profile == PROFILE_POWER_SAVE) { |
| return HINT_HANDLED; |
| } |
| |
| if (hint == POWER_HINT_INTERACTION) { |
| int duration = 500, duration_hint = 0; |
| static unsigned long long previous_boost_time = 0; |
| |
| if (data) { |
| duration_hint = *((int *)data); |
| } |
| |
| duration = duration_hint > 0 ? duration_hint : 500; |
| |
| struct timeval cur_boost_timeval = {0, 0}; |
| gettimeofday(&cur_boost_timeval, NULL); |
| unsigned long long cur_boost_time = cur_boost_timeval.tv_sec * 1000000 + cur_boost_timeval.tv_usec; |
| double elapsed_time = (double)(cur_boost_time - previous_boost_time); |
| if (elapsed_time > 750000) |
| elapsed_time = 750000; |
| // don't hint if it's been less than 250ms since last boost |
| // also detect if we're doing anything resembling a fling |
| // support additional boosting in case of flings |
| else if (elapsed_time < 250000 && duration <= 750) |
| return HINT_HANDLED; |
| |
| previous_boost_time = cur_boost_time; |
| |
| if (duration >= 1500) { |
| int resources[] = { |
| ALL_CPUS_PWR_CLPS_DIS, |
| SCHED_BOOST_ON, |
| SCHED_PREFER_IDLE_DIS |
| }; |
| interaction(duration, ARRAY_SIZE(resources), resources); |
| } else { |
| int resources[] = { |
| ALL_CPUS_PWR_CLPS_DIS, |
| SCHED_PREFER_IDLE_DIS |
| }; |
| interaction(duration, ARRAY_SIZE(resources), resources); |
| } |
| return HINT_HANDLED; |
| } |
| |
| if (hint == POWER_HINT_LAUNCH_BOOST) { |
| launch_boost_info_t *info = (launch_boost_info_t *)data; |
| if (info == NULL) { |
| ALOGE("Invalid argument for launch boost"); |
| return HINT_HANDLED; |
| } |
| |
| ALOGV("LAUNCH_BOOST: %s (pid=%d)", info->packageName, info->pid); |
| |
| int duration = 2000; |
| int resources[] = { SCHED_BOOST_ON, 0x20C }; |
| |
| start_prefetch(info->pid, info->packageName); |
| interaction(duration, ARRAY_SIZE(resources), resources); |
| |
| return HINT_HANDLED; |
| } |
| |
| if (hint == POWER_HINT_CPU_BOOST) { |
| int duration = *(int32_t *)data / 1000; |
| int resources[] = { SCHED_BOOST_ON }; |
| |
| if (duration > 0) |
| interaction(duration, ARRAY_SIZE(resources), resources); |
| |
| return HINT_HANDLED; |
| } |
| |
| if (hint == POWER_HINT_VIDEO_ENCODE) { |
| return process_video_encode_hint(data); |
| } |
| |
| return HINT_NONE; |
| } |
| |
| int set_interactive_override(__attribute__((unused)) struct power_module *module, int on) |
| { |
| char governor[80]; |
| |
| if (get_scaling_governor(governor, sizeof(governor)) == -1) { |
| ALOGE("Can't obtain scaling governor."); |
| |
| return HINT_NONE; |
| } |
| |
| if (!on) { |
| /* Display off */ |
| if ((strncmp(governor, INTERACTIVE_GOVERNOR, strlen(INTERACTIVE_GOVERNOR)) == 0) && |
| (strlen(governor) == strlen(INTERACTIVE_GOVERNOR))) { |
| // sched upmigrate = 99, sched downmigrate = 95 |
| // keep the big cores around, but make them very hard to use |
| int resource_values[] = { 0x4E63, 0x4F5F }; |
| if (!display_hint_sent) { |
| perform_hint_action(DISPLAY_STATE_HINT_ID, |
| resource_values, ARRAY_SIZE(resource_values)); |
| display_hint_sent = 1; |
| return HINT_HANDLED; |
| } |
| } |
| } else { |
| /* Display on */ |
| if ((strncmp(governor, INTERACTIVE_GOVERNOR, strlen(INTERACTIVE_GOVERNOR)) == 0) && |
| (strlen(governor) == strlen(INTERACTIVE_GOVERNOR))) { |
| undo_hint_action(DISPLAY_STATE_HINT_ID); |
| display_hint_sent = 0; |
| return HINT_HANDLED; |
| } |
| } |
| return HINT_NONE; |
| } |