| /* |
| * Copyright (c) 2015, 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 "QTI 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; |
| static int video_encode_hint_sent; |
| static int current_power_profile = PROFILE_BALANCED; |
| |
| static void process_video_encode_hint(void *metadata); |
| |
| extern void interaction(int duration, int num_args, int opt_list[]); |
| |
| static int profile_high_performance_8952[11] = { |
| SCHED_BOOST_ON, |
| 0x704, 0x4d04, /* Enable all CPUs */ |
| 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, |
| }; |
| |
| static int profile_power_save_8952[] = { |
| 0x8fe, 0x3dfd, /* 1 big core, 2 little cores*/ |
| CPUS_ONLINE_MAX_LIMIT_2, |
| CPU0_MAX_FREQ_NONTURBO_MAX, CPU1_MAX_FREQ_NONTURBO_MAX, |
| CPU2_MAX_FREQ_NONTURBO_MAX, CPU3_MAX_FREQ_NONTURBO_MAX, |
| }; |
| |
| int get_number_of_profiles() { |
| return 3; |
| } |
| |
| 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_HIGH_PERFORMANCE) { |
| int *resource_values = profile_high_performance_8952; |
| perform_hint_action(DEFAULT_PROFILE_HINT_ID, resource_values, |
| ARRAY_SIZE(resource_values)); |
| ALOGD("%s: set performance mode", __func__); |
| |
| } else if (profile == PROFILE_POWER_SAVE) { |
| int *resource_values = profile_power_save_8952; |
| perform_hint_action(DEFAULT_PROFILE_HINT_ID, resource_values, |
| ARRAY_SIZE(resource_values)); |
| ALOGD("%s: set powersave", __func__); |
| } |
| |
| current_power_profile = profile; |
| } |
| |
| int power_hint_override(struct power_module *module, power_hint_t hint, |
| void *data) |
| { |
| int duration, duration_hint; |
| static unsigned long long previous_boost_time = 0; |
| unsigned long long cur_boost_time; |
| struct timeval cur_boost_timeval = {0, 0}; |
| double elapsed_time; |
| int resources_launch_boost[] = { |
| ALL_CPUS_PWR_CLPS_DIS, |
| SCHED_BOOST_ON, |
| SCHED_PREFER_IDLE_DIS, |
| 0x20f, |
| 0x4001, |
| 0x4101, |
| 0x4201, |
| }; |
| int resources_cpu_boost[] = { |
| ALL_CPUS_PWR_CLPS_DIS, |
| SCHED_BOOST_ON, |
| SCHED_PREFER_IDLE_DIS, |
| 0x20d, |
| }; |
| int resources_interaction_boost[] = { |
| SCHED_PREFER_IDLE_DIS, |
| 0x20d, |
| 0x3d01, |
| }; |
| |
| 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_BALANCED) { |
| return HINT_HANDLED; |
| } |
| |
| switch (hint) { |
| case POWER_HINT_INTERACTION: |
| duration = 500; |
| duration_hint = 0; |
| |
| if (data) { |
| duration_hint = *((int *)data); |
| } |
| |
| duration = duration_hint > 0 ? duration_hint : 500; |
| |
| gettimeofday(&cur_boost_timeval, NULL); |
| cur_boost_time = cur_boost_timeval.tv_sec * 1000000 + cur_boost_timeval.tv_usec; |
| 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) { |
| interaction(duration, ARRAY_SIZE(resources_cpu_boost), |
| resources_cpu_boost); |
| } else { |
| interaction(duration, ARRAY_SIZE(resources_interaction_boost), |
| resources_interaction_boost); |
| } |
| return HINT_HANDLED; |
| case POWER_HINT_LAUNCH_BOOST: |
| duration = 2000; |
| interaction(duration, ARRAY_SIZE(resources_launch_boost), |
| resources_launch_boost); |
| return HINT_HANDLED; |
| case POWER_HINT_CPU_BOOST: |
| duration = *(int32_t *)data / 1000; |
| if (duration > 0) { |
| interaction(duration, ARRAY_SIZE(resources_cpu_boost), |
| resources_cpu_boost); |
| } |
| return HINT_HANDLED; |
| case POWER_HINT_VIDEO_ENCODE: |
| process_video_encode_hint(data); |
| return HINT_HANDLED; |
| } |
| return HINT_NONE; |
| } |
| |
| int set_interactive_override(struct power_module *module, int on) |
| { |
| char governor[80]; |
| |
| ALOGI("Got set_interactive hint"); |
| |
| if (get_scaling_governor_check_cores(governor, sizeof(governor),CPU0) == -1) { |
| if (get_scaling_governor_check_cores(governor, sizeof(governor),CPU1) == -1) { |
| if (get_scaling_governor_check_cores(governor, sizeof(governor),CPU2) == -1) { |
| if (get_scaling_governor_check_cores(governor, sizeof(governor),CPU3) == -1) { |
| ALOGE("Can't obtain scaling governor."); |
| return HINT_HANDLED; |
| } |
| } |
| } |
| } |
| |
| if (!on) { |
| /* Display off. */ |
| if ((strncmp(governor, INTERACTIVE_GOVERNOR, strlen(INTERACTIVE_GOVERNOR)) == 0) && |
| (strlen(governor) == strlen(INTERACTIVE_GOVERNOR))) { |
| int resource_values[] = {TR_MS_CPU0_50, TR_MS_CPU4_50}; |
| |
| if (!display_hint_sent) { |
| perform_hint_action(DISPLAY_STATE_HINT_ID, |
| resource_values, ARRAY_SIZE(resource_values)); |
| display_hint_sent = 1; |
| } |
| } /* Perf time rate set for CORE0,CORE4 8952 target*/ |
| |
| } 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; |
| } |
| |
| /* Video Encode Hint */ |
| static void process_video_encode_hint(void *metadata) |
| { |
| char governor[80]; |
| struct video_encode_metadata_t video_encode_metadata; |
| |
| ALOGI("Got process_video_encode_hint"); |
| |
| if (get_scaling_governor_check_cores(governor, |
| sizeof(governor),CPU0) == -1) { |
| if (get_scaling_governor_check_cores(governor, |
| sizeof(governor),CPU1) == -1) { |
| if (get_scaling_governor_check_cores(governor, |
| sizeof(governor),CPU2) == -1) { |
| if (get_scaling_governor_check_cores(governor, |
| sizeof(governor),CPU3) == -1) { |
| ALOGE("Can't obtain scaling governor."); |
| return; |
| } |
| } |
| } |
| } |
| |
| /* 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; |
| } |
| } else { |
| return; |
| } |
| |
| if (video_encode_metadata.state == 1) { |
| if ((strncmp(governor, INTERACTIVE_GOVERNOR, |
| strlen(INTERACTIVE_GOVERNOR)) == 0) && |
| (strlen(governor) == strlen(INTERACTIVE_GOVERNOR))) { |
| int resource_values[] = {TR_MS_CPU0_30, TR_MS_CPU4_30}; |
| if (!video_encode_hint_sent) { |
| perform_hint_action(video_encode_metadata.hint_id, |
| resource_values, |
| ARRAY_SIZE(resource_values)); |
| video_encode_hint_sent = 1; |
| } |
| } |
| } 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); |
| video_encode_hint_sent = 0; |
| return ; |
| } |
| } |
| return; |
| } |