| /* |
| * Copyright (c) 2015-2016, 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 <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 "QTI 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" |
| |
| static int video_encode_hint_sent; |
| |
| 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)) { |
| /* 1. cpufreq params |
| * -above_hispeed_delay for LVT - 40ms |
| * -go hispeed load for LVT - 95 |
| * -hispeed freq for LVT - 556 MHz |
| * -target load for LVT - 90 |
| * -above hispeed delay for sLVT - 40ms |
| * -go hispeed load for sLVT - 95 |
| * -hispeed freq for sLVT - 806 MHz |
| * -target load for sLVT - 90 |
| * 2. bus DCVS set to V2 config: |
| * -low power ceil mpbs - 2500 |
| * -low power io percent - 50 |
| * 3. hysteresis optimization |
| * -bus dcvs hysteresis tuning |
| * -sample_ms of 10 ms |
| * -sLVT hispeed freq to 806MHz |
| */ |
| int resource_values[] = {0x41400000, 0x4, 0x41410000, 0x5F, 0x41414000, 0x326, |
| 0x41420000, 0x5A, 0x41400100, 0x4, 0x41410100, 0x5F, |
| 0x41414100, 0x22C, 0x41420100, 0x5A, 0x41810000, 0x9C4, |
| 0x41814000, 0x32, 0x4180C000, 0x0, 0x41820000, 0xA}; |
| if (!video_encode_hint_sent) { |
| perform_hint_action(video_encode_metadata.hint_id, resource_values, |
| ARRAY_SIZE(resource_values)); |
| video_encode_hint_sent = 1; |
| return HINT_HANDLED; |
| } |
| } |
| } else if (video_encode_metadata.state == 0) { |
| if (is_interactive_governor(governor)) { |
| undo_hint_action(video_encode_metadata.hint_id); |
| video_encode_hint_sent = 0; |
| return HINT_HANDLED; |
| } |
| } |
| 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; |
| default: |
| break; |
| } |
| return ret_val; |
| } |
| |
| int set_interactive_override(int UNUSED(on)) { |
| return HINT_HANDLED; |
| } |