| /* |
| * Copyright (c) 2016, 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 ATRACE_TAG (ATRACE_TAG_POWER | ATRACE_TAG_HAL) |
| #define LOG_TAG "QCOM PowerHAL" |
| #include <utils/Log.h> |
| #include <cutils/trace.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" |
| #include "powerhintparser.h" |
| |
| static int sustained_mode_handle = 0; |
| static int vr_mode_handle = 0; |
| static int launch_handle = 0; |
| static int sustained_performance_mode = 0; |
| static int vr_mode = 0; |
| static int launch_mode = 0; |
| #define CHECK_HANDLE(x) (((x)>0) && ((x)!=-1)) |
| |
| int is_perf_hint_active(int hint) |
| { |
| switch (hint) { |
| case SUSTAINED_PERF_HINT_ID: |
| return sustained_performance_mode != 0; |
| case VR_MODE_HINT_ID: |
| return vr_mode != 0; |
| case VR_MODE_SUSTAINED_PERF_HINT_ID: |
| return vr_mode != 0 && sustained_performance_mode != 0; |
| } |
| return 0; |
| } |
| |
| static int process_sustained_perf_hint(void *data) |
| { |
| int duration = 0; |
| int *resource_values = NULL; |
| int resources = 0; |
| |
| if (data && sustained_performance_mode == 0) { |
| if (vr_mode == 0) { // Sustained mode only. |
| resource_values = getPowerhint(SUSTAINED_PERF_HINT_ID, &resources); |
| if (!resource_values) { |
| ALOGE("Can't get sustained perf hints from xml "); |
| return HINT_NONE; |
| } |
| sustained_mode_handle = interaction_with_handle( |
| sustained_mode_handle, duration, resources, resource_values); |
| if (!CHECK_HANDLE(sustained_mode_handle)) { |
| ALOGE("Failed interaction_with_handle for sustained_mode_handle"); |
| return HINT_NONE; |
| } |
| } else if (vr_mode == 1) { // Sustained + VR mode. |
| release_request(vr_mode_handle); |
| resource_values = getPowerhint(VR_MODE_SUSTAINED_PERF_HINT_ID, &resources); |
| if (!resource_values) { |
| ALOGE("Can't get VR mode sustained perf hints from xml "); |
| return HINT_NONE; |
| } |
| sustained_mode_handle = interaction_with_handle( |
| sustained_mode_handle, duration, resources, resource_values); |
| if (!CHECK_HANDLE(sustained_mode_handle)) { |
| ALOGE("Failed interaction_with_handle for sustained_mode_handle"); |
| return HINT_NONE; |
| } |
| } |
| sustained_performance_mode = 1; |
| } else if (sustained_performance_mode == 1) { |
| release_request(sustained_mode_handle); |
| if (vr_mode == 1) { // Switch back to VR Mode. |
| resource_values = getPowerhint(VR_MODE_HINT_ID, &resources); |
| if (!resource_values) { |
| ALOGE("Can't get VR mode perf hints from xml "); |
| return HINT_NONE; |
| } |
| vr_mode_handle = interaction_with_handle( |
| vr_mode_handle, duration, resources, resource_values); |
| if (!CHECK_HANDLE(vr_mode_handle)) { |
| ALOGE("Failed interaction_with_handle for vr_mode_handle"); |
| return HINT_NONE; |
| } |
| } |
| sustained_performance_mode = 0; |
| } |
| return HINT_HANDLED; |
| } |
| |
| static int process_vr_mode_hint(void *data) |
| { |
| int duration = 0; |
| int *resource_values = NULL; |
| int resources = 0; |
| |
| if (data && vr_mode == 0) { |
| if (sustained_performance_mode == 0) { // VR mode only. |
| resource_values = getPowerhint(VR_MODE_HINT_ID, &resources); |
| if (!resource_values) { |
| ALOGE("Can't get VR mode perf hints from xml "); |
| return HINT_NONE; |
| } |
| vr_mode_handle = interaction_with_handle( |
| vr_mode_handle, duration, resources, resource_values); |
| if (!CHECK_HANDLE(vr_mode_handle)) { |
| ALOGE("Failed interaction_with_handle for vr_mode_handle"); |
| return HINT_NONE; |
| } |
| } else if (sustained_performance_mode == 1) { // Sustained + VR mode. |
| release_request(sustained_mode_handle); |
| resource_values = getPowerhint(VR_MODE_SUSTAINED_PERF_HINT_ID, &resources); |
| if (!resource_values) { |
| ALOGE("Can't get VR mode sustained perf hints from xml "); |
| return HINT_NONE; |
| } |
| vr_mode_handle = interaction_with_handle( |
| vr_mode_handle, duration, resources, resource_values); |
| if (!CHECK_HANDLE(vr_mode_handle)) { |
| ALOGE("Failed interaction_with_handle for vr_mode_handle"); |
| return HINT_NONE; |
| } |
| } |
| vr_mode = 1; |
| } else if (vr_mode == 1) { |
| release_request(vr_mode_handle); |
| if (sustained_performance_mode == 1) { // Switch back to sustained Mode. |
| resource_values = getPowerhint(SUSTAINED_PERF_HINT_ID, &resources); |
| if (!resource_values) { |
| ALOGE("Can't get sustained perf hints from xml "); |
| return HINT_NONE; |
| } |
| sustained_mode_handle = interaction_with_handle( |
| sustained_mode_handle, duration, resources, resource_values); |
| if (!CHECK_HANDLE(sustained_mode_handle)) { |
| ALOGE("Failed interaction_with_handle for sustained_mode_handle"); |
| return HINT_NONE; |
| } |
| } |
| vr_mode = 0; |
| } |
| |
| return HINT_HANDLED; |
| } |
| |
| static int process_boost(int boost_handle, int duration) |
| { |
| int *resource_values; |
| int resources; |
| |
| resource_values = getPowerhint(BOOST_HINT_ID, &resources); |
| |
| if (resource_values != NULL) { |
| boost_handle = interaction_with_handle( |
| boost_handle, duration, resources, resource_values); |
| if (!CHECK_HANDLE(boost_handle)) { |
| ALOGE("Failed interaction_with_handle for boost_handle"); |
| } |
| } |
| |
| return boost_handle; |
| } |
| |
| static int process_video_encode_hint(void *data) |
| { |
| static int boost_handle = -1; |
| |
| if (data) { |
| // TODO: remove the launch boost based on camera launch time |
| int duration = 2000; // boosts 2s for starting encoding |
| boost_handle = process_boost(boost_handle, duration); |
| ALOGD("LAUNCH ENCODER-ON: %d MS", duration); |
| int *resource_values = NULL; |
| int resources = 0; |
| resource_values = getPowerhint(DEFAULT_VIDEO_ENCODE_HINT_ID, &resources); |
| if (resource_values != NULL) |
| perform_hint_action(DEFAULT_VIDEO_ENCODE_HINT_ID, resource_values, resources); |
| ALOGD("Video Encode hint start"); |
| return HINT_HANDLED; |
| } else { |
| undo_hint_action(DEFAULT_VIDEO_ENCODE_HINT_ID); |
| ALOGD("Video Encode hint stop"); |
| return HINT_HANDLED; |
| } |
| return HINT_NONE; |
| } |
| |
| static int process_activity_launch_hint(void *data) |
| { |
| // boost will timeout in 1.25s |
| int duration = 1250; |
| ATRACE_BEGIN("launch"); |
| if (sustained_performance_mode || vr_mode) { |
| ATRACE_END(); |
| return HINT_HANDLED; |
| } |
| |
| ALOGD("LAUNCH HINT: %s", data ? "ON" : "OFF"); |
| // restart the launch hint if the framework has not yet released |
| // this shouldn't happen, but we've seen bugs where it could |
| if (data) { |
| launch_handle = process_boost(launch_handle, duration); |
| if (launch_handle > 0) { |
| launch_mode = 1; |
| ALOGD("Activity launch hint handled"); |
| ATRACE_INT("launch_lock", 1); |
| ATRACE_END(); |
| return HINT_HANDLED; |
| } else { |
| ATRACE_END(); |
| return HINT_NONE; |
| } |
| } else if (data == NULL && launch_mode == 1) { |
| // framework release hints aren't necessarily reliable |
| // always wait the full duration |
| // release_request(launch_handle); |
| ATRACE_INT("launch_lock", 0); |
| launch_mode = 0; |
| ATRACE_END(); |
| return HINT_HANDLED; |
| } |
| ATRACE_END(); |
| return HINT_NONE; |
| } |
| |
| int power_hint_override(power_hint_t hint, void *data) |
| { |
| int ret_val = HINT_NONE; |
| switch(hint) { |
| case POWER_HINT_VIDEO_ENCODE: |
| ret_val = process_video_encode_hint(data); |
| break; |
| case POWER_HINT_SUSTAINED_PERFORMANCE: |
| ret_val = process_sustained_perf_hint(data); |
| break; |
| case POWER_HINT_VR_MODE: |
| ret_val = process_vr_mode_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 */ |
| } |
