| /* |
| * Copyright (c) 2015-2016, The Linux Foundation. All rights reserved. |
| * Copyright (C) 2018 The LineageOS Project |
| * |
| * 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 <time.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 <log/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" |
| |
| #define NUM_PERF_MODES 3 |
| |
| const int kMaxLaunchDuration = 5000; /* ms */ |
| const int kMaxInteractiveDuration = 5000; /* ms */ |
| const int kMinInteractiveDuration = 500; /* ms */ |
| |
| static int current_power_profile = PROFILE_BALANCED; |
| |
| static int profile_high_performance[] = { |
| SCHED_BOOST_ON_V3, 0x1, |
| ALL_CPUS_PWR_CLPS_DIS_V3, 0x1, |
| CPUS_ONLINE_MIN_BIG, 0x2, |
| CPUS_ONLINE_MIN_LITTLE, 0x2, |
| MIN_FREQ_BIG_CORE_0, 0xFFF, |
| MIN_FREQ_LITTLE_CORE_0, 0xFFF, |
| }; |
| |
| static int profile_power_save[] = { |
| CPUS_ONLINE_MAX_BIG, 0x1, |
| MAX_FREQ_BIG_CORE_0, 0x3E8, |
| MAX_FREQ_LITTLE_CORE_0, 0x3E8, |
| }; |
| |
| static int profile_bias_power[] = { |
| MAX_FREQ_BIG_CORE_0, 0x514, |
| MAX_FREQ_LITTLE_CORE_0, 0x3E8, |
| }; |
| |
| static int profile_bias_performance[] = { |
| CPUS_ONLINE_MAX_BIG, 0x2, |
| CPUS_ONLINE_MAX_LITTLE, 0x2, |
| MIN_FREQ_BIG_CORE_0, 0x578, |
| }; |
| |
| #ifdef INTERACTION_BOOST |
| int get_number_of_profiles() |
| { |
| return 5; |
| } |
| #endif |
| |
| static int set_power_profile(void *data) |
| { |
| int profile = data ? *((int*)data) : 0; |
| int ret = -EINVAL; |
| const char *profile_name = NULL; |
| |
| if (profile == current_power_profile) |
| return 0; |
| |
| ALOGV("%s: Profile=%d", __func__, profile); |
| |
| if (current_power_profile != PROFILE_BALANCED) { |
| undo_hint_action(DEFAULT_PROFILE_HINT_ID); |
| ALOGV("%s: Hint undone", __func__); |
| current_power_profile = PROFILE_BALANCED; |
| } |
| |
| if (profile == PROFILE_POWER_SAVE) { |
| ret = perform_hint_action(DEFAULT_PROFILE_HINT_ID, profile_power_save, |
| ARRAY_SIZE(profile_power_save)); |
| profile_name = "powersave"; |
| |
| } else if (profile == PROFILE_HIGH_PERFORMANCE) { |
| ret = perform_hint_action(DEFAULT_PROFILE_HINT_ID, |
| profile_high_performance, ARRAY_SIZE(profile_high_performance)); |
| profile_name = "performance"; |
| |
| } else if (profile == PROFILE_BIAS_POWER) { |
| ret = perform_hint_action(DEFAULT_PROFILE_HINT_ID, profile_bias_power, |
| ARRAY_SIZE(profile_bias_power)); |
| profile_name = "bias power"; |
| |
| } else if (profile == PROFILE_BIAS_PERFORMANCE) { |
| ret = perform_hint_action(DEFAULT_PROFILE_HINT_ID, |
| profile_bias_performance, ARRAY_SIZE(profile_bias_performance)); |
| profile_name = "bias perf"; |
| } else if (profile == PROFILE_BALANCED) { |
| ret = 0; |
| profile_name = "balanced"; |
| } |
| |
| if (ret == 0) { |
| current_power_profile = profile; |
| ALOGD("%s: Set %s mode", __func__, profile_name); |
| } |
| return ret; |
| } |
| |
| typedef enum { |
| NORMAL_MODE = 0, |
| SUSTAINED_MODE = 1, |
| VR_MODE = 2, |
| VR_SUSTAINED_MODE = (SUSTAINED_MODE|VR_MODE), |
| INVALID_MODE = 0xFF |
| } perf_mode_type_t; |
| |
| typedef struct perf_mode { |
| perf_mode_type_t type; |
| int perf_hint_id; |
| } perf_mode_t; |
| |
| perf_mode_t perf_modes[NUM_PERF_MODES] = { |
| { SUSTAINED_MODE, SUSTAINED_PERF_HINT }, |
| { VR_MODE, VR_MODE_HINT }, |
| { VR_SUSTAINED_MODE, VR_MODE_SUSTAINED_PERF_HINT } |
| }; |
| |
| static int current_mode = NORMAL_MODE; |
| |
| static inline int get_perfd_hint_id(perf_mode_type_t type) { |
| int i; |
| for (i = 0; i < NUM_PERF_MODES; i++) { |
| if (perf_modes[i].type == type) { |
| ALOGD("Hint id is 0x%x for mode 0x%x", perf_modes[i].perf_hint_id, type); |
| return perf_modes[i].perf_hint_id; |
| } |
| } |
| ALOGD("Couldn't find the hint for mode 0x%x", type); |
| return 0; |
| } |
| |
| static int switch_mode(perf_mode_type_t mode) { |
| int hint_id = 0; |
| static int perfd_mode_handle = -1; |
| |
| // release existing mode if any |
| if (CHECK_HANDLE(perfd_mode_handle)) { |
| ALOGD("Releasing handle 0x%x", perfd_mode_handle); |
| release_request(perfd_mode_handle); |
| perfd_mode_handle = -1; |
| } |
| // switch to a perf mode |
| hint_id = get_perfd_hint_id(mode); |
| if (hint_id != 0) { |
| perfd_mode_handle = perf_hint_enable(hint_id, 0); |
| if (!CHECK_HANDLE(perfd_mode_handle)) { |
| ALOGE("Failed perf_hint_interaction for mode: 0x%x", mode); |
| return -1; |
| } |
| ALOGD("Acquired handle 0x%x", perfd_mode_handle); |
| } |
| return 0; |
| } |
| |
| static int process_perf_hint(void *data, perf_mode_type_t mode) { |
| // enable |
| if (data) { |
| ALOGI("Enable request for mode: 0x%x", mode); |
| // check if mode is current mode |
| if (current_mode & mode) { |
| ALOGD("Mode 0x%x already enabled", mode); |
| return HINT_HANDLED; |
| } |
| // enable requested mode |
| if (0 != switch_mode(current_mode | mode)) { |
| ALOGE("Couldn't enable mode 0x%x", mode); |
| return HINT_NONE; |
| } |
| current_mode |= mode; |
| ALOGI("Current mode is 0x%x", current_mode); |
| // disable |
| } else { |
| ALOGI("Disable request for mode: 0x%x", mode); |
| // check if mode is enabled |
| if (!(current_mode & mode)) { |
| ALOGD("Mode 0x%x already disabled", mode); |
| return HINT_HANDLED; |
| } |
| // disable requested mode |
| if (0 != switch_mode(current_mode & ~mode)) { |
| ALOGE("Couldn't disable mode 0x%x", mode); |
| return HINT_NONE; |
| } |
| current_mode &= ~mode; |
| ALOGI("Current mode is 0x%x", current_mode); |
| } |
| |
| return HINT_HANDLED; |
| } |
| |
| static int process_video_encode_hint(void *metadata) |
| { |
| char governor[80]; |
| struct video_encode_metadata_t video_encode_metadata; |
| static int video_encode_handle = 0; |
| |
| if (!metadata) { |
| return HINT_NONE; |
| } |
| |
| 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; |
| |
| if (parse_video_encode_metadata((char *)metadata, &video_encode_metadata) == -1) { |
| ALOGE("Error occurred while parsing metadata."); |
| return HINT_NONE; |
| } |
| |
| if (video_encode_metadata.state == 1) { |
| if (is_interactive_governor(governor)) { |
| video_encode_handle = perf_hint_enable( |
| VIDEO_ENCODE_HINT, 0); |
| return HINT_HANDLED; |
| } |
| } else if (video_encode_metadata.state == 0) { |
| if (is_interactive_governor(governor)) { |
| release_request(video_encode_handle); |
| return HINT_HANDLED; |
| } |
| } |
| return HINT_NONE; |
| } |
| |
| static int process_activity_launch_hint(void *data) |
| { |
| static int launch_handle = -1; |
| static int launch_mode = 0; |
| |
| // release lock early if launch has finished |
| if (!data) { |
| if (CHECK_HANDLE(launch_handle)) { |
| release_request(launch_handle); |
| launch_handle = -1; |
| } |
| launch_mode = 0; |
| return HINT_HANDLED; |
| } |
| |
| if (current_mode != NORMAL_MODE) { |
| ALOGV("%s: ignoring due to other active perf hints", __func__); |
| } else if (!launch_mode) { |
| launch_handle = perf_hint_enable_with_type(VENDOR_HINT_FIRST_LAUNCH_BOOST, |
| kMaxLaunchDuration, LAUNCH_BOOST_V1); |
| if (!CHECK_HANDLE(launch_handle)) { |
| ALOGE("Failed to perform launch boost"); |
| return HINT_NONE; |
| } |
| launch_mode = 1; |
| } |
| return HINT_HANDLED; |
| } |
| |
| static int process_interaction_hint(void *data) |
| { |
| static struct timespec s_previous_boost_timespec; |
| static int s_previous_duration = 0; |
| |
| struct timespec cur_boost_timespec; |
| long long elapsed_time; |
| int duration = kMinInteractiveDuration; |
| |
| if (current_mode != NORMAL_MODE) { |
| ALOGV("%s: ignoring due to other active perf hints", __func__); |
| return HINT_HANDLED; |
| } |
| |
| if (data) { |
| int input_duration = *((int*)data); |
| if (input_duration > duration) { |
| duration = (input_duration > kMaxInteractiveDuration) ? |
| kMaxInteractiveDuration : input_duration; |
| } |
| } |
| |
| clock_gettime(CLOCK_MONOTONIC, &cur_boost_timespec); |
| |
| elapsed_time = calc_timespan_us(s_previous_boost_timespec, cur_boost_timespec); |
| // don't hint if previous hint's duration covers this hint's duration |
| if ((s_previous_duration * 1000) > (elapsed_time + duration * 1000)) { |
| return HINT_HANDLED; |
| } |
| s_previous_boost_timespec = cur_boost_timespec; |
| s_previous_duration = duration; |
| |
| perf_hint_enable_with_type(VENDOR_HINT_SCROLL_BOOST, duration, SCROLL_VERTICAL); |
| |
| return HINT_HANDLED; |
| } |
| |
| int power_hint_override(power_hint_t hint, void *data) |
| { |
| int ret_val = HINT_NONE; |
| |
| if (hint == POWER_HINT_SET_PROFILE) { |
| if (set_power_profile(data) < 0) |
| ALOGE("Setting power profile failed. perf HAL not started?"); |
| return HINT_HANDLED; |
| } |
| |
| // Skip other hints in high/low power modes |
| if (current_power_profile == PROFILE_POWER_SAVE || |
| current_power_profile == PROFILE_HIGH_PERFORMANCE) { |
| return HINT_HANDLED; |
| } |
| |
| switch (hint) { |
| case POWER_HINT_VIDEO_ENCODE: |
| ret_val = process_video_encode_hint(data); |
| break; |
| case POWER_HINT_SUSTAINED_PERFORMANCE: |
| ret_val = process_perf_hint(data, SUSTAINED_MODE); |
| break; |
| case POWER_HINT_VR_MODE: |
| ret_val = process_perf_hint(data, VR_MODE); |
| break; |
| case POWER_HINT_INTERACTION: |
| ret_val = process_interaction_hint(data); |
| break; |
| case POWER_HINT_LAUNCH: |
| ret_val = process_activity_launch_hint(data); |
| break; |
| default: |
| break; |
| } |
| return ret_val; |
| } |
| |
| int set_interactive_override(int UNUSED(on)) |
| { |
| return HINT_HANDLED; /* Don't excecute this code path, not in use */ |
| } |