| /* |
| * Copyright (c) 2013, The Linux Foundation. All rights reserved. |
| * Copyright (C) 2018-2019 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 <dlfcn.h> |
| #include <errno.h> |
| #include <fcntl.h> |
| #include <stdlib.h> |
| #include <string.h> |
| #include <sys/stat.h> |
| #include <sys/types.h> |
| |
| #define LOG_TAG "QCOM PowerHAL" |
| #include <hardware/hardware.h> |
| #include <hardware/power.h> |
| #include <log/log.h> |
| |
| #include "hint-data.h" |
| #include "metadata-defs.h" |
| #include "performance.h" |
| #include "power-common.h" |
| #include "utils.h" |
| |
| /** |
| * Returns true if the target is APQ8064. |
| */ |
| static bool is_target_8064(void) { |
| static int is_8064 = -1; |
| int soc_id; |
| |
| if (is_8064 >= 0) return is_8064; |
| |
| soc_id = get_soc_id(); |
| is_8064 = soc_id == 153; |
| |
| return is_8064; |
| } |
| |
| static int current_power_profile = PROFILE_BALANCED; |
| |
| // clang-format off |
| static int profile_high_performance_8960[] = { |
| CPUS_ONLINE_MIN_2, |
| }; |
| |
| static int profile_high_performance_8064[] = { |
| CPUS_ONLINE_MIN_4, |
| }; |
| |
| static int profile_power_save_8960[] = { |
| /* Don't do anything for now */ |
| }; |
| |
| static int profile_power_save_8064[] = { |
| CPUS_ONLINE_MAX_LIMIT_2, |
| }; |
| // clang-format on |
| |
| #ifdef INTERACTION_BOOST |
| int get_number_of_profiles() { |
| return 3; |
| } |
| #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) { |
| if (is_target_8064()) { |
| ret = perform_hint_action(DEFAULT_PROFILE_HINT_ID, profile_power_save_8064, |
| ARRAY_SIZE(profile_power_save_8064)); |
| } else { |
| ret = perform_hint_action(DEFAULT_PROFILE_HINT_ID, profile_power_save_8960, |
| ARRAY_SIZE(profile_power_save_8960)); |
| } |
| profile_name = "powersave"; |
| } else if (profile == PROFILE_HIGH_PERFORMANCE) { |
| if (is_target_8064()) { |
| ret = perform_hint_action(DEFAULT_PROFILE_HINT_ID, profile_high_performance_8064, |
| ARRAY_SIZE(profile_high_performance_8064)); |
| } else { |
| ret = perform_hint_action(DEFAULT_PROFILE_HINT_ID, profile_high_performance_8960, |
| ARRAY_SIZE(profile_high_performance_8960)); |
| } |
| profile_name = "performance"; |
| } 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; |
| } |
| |
| static int process_video_encode_hint(void* metadata) { |
| char governor[80]; |
| struct video_encode_metadata_t video_encode_metadata; |
| |
| 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; |
| video_encode_metadata.hint_id = DEFAULT_VIDEO_ENCODE_HINT_ID; |
| |
| 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)) { |
| int resource_values[] = {TR_MS_30, HISPEED_LOAD_90, HS_FREQ_1026, |
| THREAD_MIGRATION_SYNC_OFF, INTERACTIVE_IO_BUSY_OFF}; |
| 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 (is_interactive_governor(governor)) { |
| undo_hint_action(video_encode_metadata.hint_id); |
| return HINT_HANDLED; |
| } |
| } |
| return HINT_NONE; |
| } |
| |
| static int process_video_decode_hint(void* metadata) { |
| char governor[80]; |
| struct video_decode_metadata_t video_decode_metadata; |
| |
| 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_decode_metadata, 0, sizeof(struct video_decode_metadata_t)); |
| video_decode_metadata.state = -1; |
| video_decode_metadata.hint_id = DEFAULT_VIDEO_DECODE_HINT_ID; |
| |
| if (parse_video_decode_metadata((char*)metadata, &video_decode_metadata) == -1) { |
| ALOGE("Error occurred while parsing metadata."); |
| return HINT_NONE; |
| } |
| |
| if (video_decode_metadata.state == 1) { |
| if (is_interactive_governor(governor)) { |
| int resource_values[] = {TR_MS_30, HISPEED_LOAD_90, HS_FREQ_1026, |
| THREAD_MIGRATION_SYNC_OFF}; |
| perform_hint_action(video_decode_metadata.hint_id, resource_values, |
| ARRAY_SIZE(resource_values)); |
| return HINT_HANDLED; |
| } |
| } else if (video_decode_metadata.state == 0) { |
| if (is_interactive_governor(governor)) { |
| undo_hint_action(video_decode_metadata.hint_id); |
| return HINT_HANDLED; |
| } |
| } |
| return HINT_NONE; |
| } |
| |
| 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. perfd 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_VIDEO_DECODE: |
| ret_val = process_video_decode_hint(data); |
| break; |
| default: |
| break; |
| } |
| return ret_val; |
| } |
| |
| int set_interactive_override(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 (is_interactive_governor(governor)) { |
| int resource_values[] = {TR_MS_50, THREAD_MIGRATION_SYNC_OFF}; |
| perform_hint_action(DISPLAY_STATE_HINT_ID, resource_values, |
| ARRAY_SIZE(resource_values)); |
| } |
| } else { |
| /* Display on */ |
| if (is_interactive_governor(governor)) { |
| undo_hint_action(DISPLAY_STATE_HINT_ID); |
| } |
| } |
| return HINT_HANDLED; |
| } |