| /* |
| * 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_NDEBUG 1 |
| |
| #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" |
| |
| static int display_hint_sent; |
| int launch_handle = -1; |
| int launch_mode; |
| |
| #ifdef EXTRA_POWERHAL_HINTS |
| static int process_cam_preview_hint(void *metadata) |
| { |
| char governor[80]; |
| struct cam_preview_metadata_t cam_preview_metadata; |
| |
| if (get_scaling_governor(governor, sizeof(governor)) == -1) { |
| ALOGE("Can't obtain scaling governor."); |
| |
| return HINT_NONE; |
| } |
| |
| /* Initialize encode metadata struct fields */ |
| memset(&cam_preview_metadata, 0, sizeof(struct cam_preview_metadata_t)); |
| cam_preview_metadata.state = -1; |
| cam_preview_metadata.hint_id = CAM_PREVIEW_HINT_ID; |
| |
| if (metadata) { |
| if (parse_cam_preview_metadata((char *)metadata, &cam_preview_metadata) == |
| -1) { |
| ALOGE("Error occurred while parsing metadata."); |
| return HINT_NONE; |
| } |
| } else { |
| return HINT_NONE; |
| } |
| |
| if (cam_preview_metadata.state == 1) { |
| if ((strncmp(governor, INTERACTIVE_GOVERNOR, strlen(INTERACTIVE_GOVERNOR)) == 0) && |
| (strlen(governor) == strlen(INTERACTIVE_GOVERNOR))) { |
| /* sched and 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 - 556 MHz |
| * target load for sLVT - 90 |
| * bus DCVS set to V2 config: |
| * low power ceil mpbs - 2500 |
| * low power io percent - 50 |
| */ |
| int resource_values[] = {0x41400000, 0x4, 0x41410000, 0x5F, 0x41414000, 0x22C, |
| 0x41420000, 0x5A, 0x41400100, 0x4, 0x41410100, 0x5F, 0x41414100, 0x22C, |
| 0x41420100, 0x5A, 0x41810000, 0x9C4, 0x41814000, 0x32}; |
| |
| perform_hint_action(cam_preview_metadata.hint_id, |
| resource_values, sizeof(resource_values)/sizeof(resource_values[0])); |
| ALOGI("Cam Preview hint start"); |
| return HINT_HANDLED; |
| } else if ((strncmp(governor, SCHED_GOVERNOR, strlen(SCHED_GOVERNOR)) == 0) && |
| (strlen(governor) == strlen(SCHED_GOVERNOR))) { |
| /* |
| * lower bus BW to save power |
| * 0x41810000: low power ceil mpbs = 2500 |
| * 0x41814000: low power io percent = 50 |
| */ |
| int resource_values[] = {0x41810000, 0x9C4, 0x41814000, 0x32}; |
| |
| perform_hint_action( |
| cam_preview_metadata.hint_id, resource_values, |
| sizeof(resource_values) / sizeof(resource_values[0])); |
| ALOGI("Cam Preview hint start"); |
| return HINT_HANDLED; |
| } |
| } else if (cam_preview_metadata.state == 0) { |
| if (((strncmp(governor, INTERACTIVE_GOVERNOR, strlen(INTERACTIVE_GOVERNOR)) == 0) && |
| (strlen(governor) == strlen(INTERACTIVE_GOVERNOR))) || |
| ((strncmp(governor, SCHED_GOVERNOR, strlen(SCHED_GOVERNOR)) == 0) && |
| (strlen(governor) == strlen(SCHED_GOVERNOR)))) { |
| undo_hint_action(cam_preview_metadata.hint_id); |
| ALOGI("Cam Preview hint stop"); |
| return HINT_HANDLED; |
| } |
| } |
| return HINT_NONE; |
| } |
| #endif |
| |
| static int process_boost(int boost_handle, int duration) |
| { |
| char governor[80]; |
| int eas_launch_resources[] = {0x40804000, 0xFFF, 0x40804100, 0xFFF, |
| 0x40800000, 0xFFF, 0x40800100, 0xFFF, |
| 0x41800000, 140, 0x40400000, 0x1}; |
| int hmp_launch_resources[] = {0x40C00000, 0x1, 0x40804000, 0xFFF, |
| 0x40804100, 0xFFF, 0x40800000, 0xFFF, |
| 0x40800100, 0xFFF, 0x41800000, 140, |
| 0x40400000, 0x1}; |
| int* launch_resources; |
| size_t launch_resources_size; |
| |
| if (get_scaling_governor(governor, sizeof(governor)) == -1) { |
| ALOGE("Can't obtain scaling governor."); |
| return -1; |
| } |
| if (strncmp(governor, SCHED_GOVERNOR, strlen(SCHED_GOVERNOR)) == 0) { |
| launch_resources = eas_launch_resources; |
| launch_resources_size = sizeof(eas_launch_resources) / sizeof(eas_launch_resources[0]); |
| } else if (strncmp(governor, INTERACTIVE_GOVERNOR, |
| strlen(INTERACTIVE_GOVERNOR)) == 0) { /*HMP boost*/ |
| launch_resources = hmp_launch_resources; |
| launch_resources_size = sizeof(hmp_launch_resources) / sizeof(hmp_launch_resources[0]); |
| } else { |
| ALOGE("Unsupported governor."); |
| return -1; |
| } |
| boost_handle = interaction_with_handle( |
| boost_handle, duration, launch_resources_size, launch_resources); |
| return boost_handle; |
| } |
| |
| static int process_video_encode_hint(void *metadata) |
| { |
| char governor[80]; |
| static int boost_handle = -1; |
| |
| if (get_scaling_governor(governor, sizeof(governor)) == -1) { |
| ALOGE("Can't obtain scaling governor."); |
| |
| return HINT_NONE; |
| } |
| |
| if (metadata) { |
| int duration = 2000; // boosts 2s for starting encoding |
| boost_handle = process_boost(boost_handle, duration); |
| ALOGD("LAUNCH ENCODER-ON: %d MS", duration); |
| if ((strncmp(governor, INTERACTIVE_GOVERNOR, strlen(INTERACTIVE_GOVERNOR)) == 0) && |
| (strlen(governor) == strlen(INTERACTIVE_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 |
| * -disable ignore_hispeed_notif |
| * -sLVT hispeed freq to 806MHz |
| */ |
| int resource_values[] = { |
| 0x41810000, 0x9C4, 0x41814000, 0x32, 0x4180C000, 0x0, 0x41820000, 0xA, |
| 0x41438100, 0x1, 0x41438000, 0x1 }; |
| |
| perform_hint_action(DEFAULT_VIDEO_ENCODE_HINT_ID, |
| resource_values, sizeof(resource_values)/sizeof(resource_values[0])); |
| ALOGD("Video Encode hint start"); |
| return HINT_HANDLED; |
| } else if ((strncmp(governor, SCHED_GOVERNOR, strlen(SCHED_GOVERNOR)) == 0) && |
| (strlen(governor) == strlen(SCHED_GOVERNOR))) { |
| |
| /* 1. bus DCVS set to V2 config: |
| * 0x41810000: low power ceil mpbs - 2500 |
| * 0x41814000: low power io percent - 50 |
| * 2. hysteresis optimization |
| * 0x4180C000: bus dcvs hysteresis tuning |
| * 0x41820000: sample_ms of 10 ms |
| */ |
| int resource_values[] = {0x41810000, 0x9C4, 0x41814000, 0x32, |
| 0x4180C000, 0x0, 0x41820000, 0xA}; |
| |
| perform_hint_action(DEFAULT_VIDEO_ENCODE_HINT_ID, |
| resource_values, sizeof(resource_values)/sizeof(resource_values[0])); |
| ALOGD("Video Encode hint start"); |
| return HINT_HANDLED; |
| } |
| } else { |
| // boost handle is intentionally not released, release_request(boost_handle); |
| if (((strncmp(governor, INTERACTIVE_GOVERNOR, strlen(INTERACTIVE_GOVERNOR)) == 0) && |
| (strlen(governor) == strlen(INTERACTIVE_GOVERNOR))) || |
| ((strncmp(governor, SCHED_GOVERNOR, strlen(SCHED_GOVERNOR)) == 0) && |
| (strlen(governor) == strlen(SCHED_GOVERNOR)))) { |
| 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 5s |
| int duration = 5000; |
| ATRACE_BEGIN("launch"); |
| if (sustained_performance_mode || vr_mode) { |
| ATRACE_END(); |
| return HINT_HANDLED; |
| } |
| |
| ALOGD("LAUNCH HINT: %s", data ? "ON" : "OFF"); |
| if (data && launch_mode == 0) { |
| 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) { |
| 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) { |
| #ifdef EXTRA_POWERHAL_HINTS |
| case POWER_HINT_CAM_PREVIEW: |
| ret_val = process_cam_preview_hint(data); |
| break; |
| #endif |
| case POWER_HINT_VIDEO_ENCODE: |
| ret_val = process_video_encode_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 on) |
| { |
| return HINT_HANDLED; /* Don't excecute this code path, not in use */ |
| 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 ((strncmp(governor, INTERACTIVE_GOVERNOR, strlen(INTERACTIVE_GOVERNOR)) == 0) && |
| (strlen(governor) == strlen(INTERACTIVE_GOVERNOR))) { |
| int resource_values[] = {}; /* dummy node */ |
| if (!display_hint_sent) { |
| perform_hint_action(DISPLAY_STATE_HINT_ID, |
| resource_values, sizeof(resource_values)/sizeof(resource_values[0])); |
| display_hint_sent = 1; |
| ALOGV("Display Off hint start"); |
| return HINT_HANDLED; |
| } |
| } |
| } 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; |
| ALOGV("Display Off hint stop"); |
| return HINT_HANDLED; |
| } |
| } |
| return HINT_NONE; |
| } |
