| /* |
| * 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_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 LOG_TAG "QCOM PowerHAL" |
| #include <utils/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" |
| |
| static int display_hint_sent; |
| static int current_power_profile = PROFILE_BALANCED; |
| |
| extern void interaction(int duration, int num_args, int opt_list[]); |
| |
| int get_number_of_profiles() { |
| return 5; |
| } |
| |
| 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_LIMIT_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_LIMIT_BIG, 0x2, |
| CPUS_ONLINE_MAX_LIMIT_LITTLE, 0x2, |
| MIN_FREQ_BIG_CORE_0, 0x578, |
| }; |
| |
| static void set_power_profile(int profile) { |
| |
| if (profile == current_power_profile) |
| return; |
| |
| ALOGV("%s: Profile=%d", __func__, profile); |
| |
| if (current_power_profile != PROFILE_BALANCED) { |
| undo_hint_action(DEFAULT_PROFILE_HINT_ID); |
| ALOGV("%s: Hint undone", __func__); |
| } |
| |
| if (profile == PROFILE_POWER_SAVE) { |
| perform_hint_action(DEFAULT_PROFILE_HINT_ID, profile_power_save, |
| ARRAY_SIZE(profile_power_save)); |
| ALOGD("%s: Set powersave mode", __func__); |
| |
| } else if (profile == PROFILE_HIGH_PERFORMANCE) { |
| perform_hint_action(DEFAULT_PROFILE_HINT_ID, profile_high_performance, |
| ARRAY_SIZE(profile_high_performance)); |
| ALOGD("%s: Set performance mode", __func__); |
| |
| } else if (profile == PROFILE_BIAS_POWER) { |
| perform_hint_action(DEFAULT_PROFILE_HINT_ID, profile_bias_power, |
| ARRAY_SIZE(profile_bias_power)); |
| ALOGD("%s: Set bias power mode", __func__); |
| |
| } else if (profile == PROFILE_BIAS_PERFORMANCE) { |
| perform_hint_action(DEFAULT_PROFILE_HINT_ID, profile_bias_performance, |
| ARRAY_SIZE(profile_bias_performance)); |
| ALOGD("%s: Set bias perf mode", __func__); |
| |
| } |
| |
| current_power_profile = profile; |
| } |
| |
| 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[] = { |
| ABOVE_HISPEED_DELAY_BIG, 0x4, |
| GO_HISPEED_LOAD_BIG, 0x5F, |
| HISPEED_FREQ_BIG, 0x22C, |
| TARGET_LOADS_BIG, 0x5A, |
| ABOVE_HISPEED_DELAY_LITTLE, 0x4, |
| GO_HISPEED_LOAD_LITTLE, 0x5F, |
| HISPEED_FREQ_LITTLE, 0x22C, |
| TARGET_LOADS_LITTLE, 0x5A, |
| LOW_POWER_CEIL_MBPS, 0x9C4, |
| LOW_POWER_IO_PERCENT, 0x32, |
| }; |
| |
| perform_hint_action(cam_preview_metadata.hint_id, |
| resource_values, ARRAY_SIZE(resource_values)); |
| 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))) { |
| undo_hint_action(cam_preview_metadata.hint_id); |
| ALOGI("Cam Preview hint stop"); |
| return HINT_HANDLED; |
| } |
| } |
| return HINT_NONE; |
| } |
| |
| static int process_video_encode_hint(void *metadata) |
| { |
| char governor[80]; |
| struct video_encode_metadata_t video_encode_metadata; |
| |
| 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 (metadata) { |
| if (parse_video_encode_metadata((char *)metadata, &video_encode_metadata) == |
| -1) { |
| ALOGE("Error occurred while parsing metadata."); |
| return HINT_NONE; |
| } |
| } else { |
| return HINT_NONE; |
| } |
| |
| if (video_encode_metadata.state == 1) { |
| 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 |
| */ |
| int resource_values[] = { |
| ABOVE_HISPEED_DELAY_BIG, 0x4, |
| GO_HISPEED_LOAD_BIG, 0x5F, |
| HISPEED_FREQ_BIG, 0x326, |
| TARGET_LOADS_BIG, 0x5A, |
| ABOVE_HISPEED_DELAY_LITTLE, 0x4, |
| GO_HISPEED_LOAD_LITTLE, 0x5F, |
| HISPEED_FREQ_LITTLE, 0x22C, |
| TARGET_LOADS_LITTLE, 0x5A, |
| LOW_POWER_CEIL_MBPS, 0x9C4, |
| LOW_POWER_IO_PERCENT, 0x32, |
| CPUBW_HWMON_V1, 0x0, |
| CPUBW_HWMON_SAMPLE_MS, 0xA, |
| IGNORE_HISPEED_NOTIF_LITTLE, 0x0, |
| IGNORE_HISPEED_NOTIF_BIG, 0x0, |
| }; |
| |
| perform_hint_action(video_encode_metadata.hint_id, |
| resource_values, ARRAY_SIZE(resource_values)); |
| ALOGI("Video Encode hint start"); |
| return HINT_HANDLED; |
| } |
| } else if (video_encode_metadata.state == 0) { |
| if ((strncmp(governor, INTERACTIVE_GOVERNOR, strlen(INTERACTIVE_GOVERNOR)) == 0) && |
| (strlen(governor) == strlen(INTERACTIVE_GOVERNOR))) { |
| undo_hint_action(video_encode_metadata.hint_id); |
| ALOGI("Video Encode hint stop"); |
| return HINT_HANDLED; |
| } |
| } |
| return HINT_NONE; |
| } |
| |
| int power_hint_override(__unused struct power_module *module, |
| power_hint_t hint, void *data) |
| { |
| struct timeval cur_boost_timeval = {0, 0}; |
| static unsigned long long previous_boost_time = 0; |
| unsigned long long cur_boost_time; |
| double elapsed_time; |
| int duration; |
| |
| int resources_launch_boost[] = { |
| SCHED_BOOST_ON_V3, 0x1, |
| MAX_FREQ_BIG_CORE_0, 0xFFF, |
| MAX_FREQ_LITTLE_CORE_0, 0xFFF, |
| MIN_FREQ_BIG_CORE_0, 0xFFF, |
| MIN_FREQ_LITTLE_CORE_0, 0xFFF, |
| CPUBW_HWMON_MIN_FREQ, 0x8C, |
| ALL_CPUS_PWR_CLPS_DIS_V3, 0x1, |
| STOR_CLK_SCALE_DIS, 0x1, |
| }; |
| |
| int resources_cpu_boost[] = { |
| SCHED_BOOST_ON_V3, 0x1, |
| MIN_FREQ_BIG_CORE_0, 0x3E8, |
| }; |
| |
| int resources_interaction_fling_boost[] = { |
| CPUBW_HWMON_MIN_FREQ, 0x33, |
| MIN_FREQ_BIG_CORE_0, 0x3E8, |
| MIN_FREQ_LITTLE_CORE_0, 0x3E8, |
| SCHED_BOOST_ON_V3, 0x1, |
| // SCHED_GROUP_ON, 0x1, |
| }; |
| |
| int resources_interaction_boost[] = { |
| MIN_FREQ_BIG_CORE_0, 0x3E8, |
| }; |
| |
| if (hint == POWER_HINT_SET_PROFILE) { |
| set_power_profile(*(int32_t *)data); |
| return HINT_HANDLED; |
| } |
| |
| /* Skip other hints in power save mode */ |
| if (current_power_profile == PROFILE_POWER_SAVE) |
| return HINT_HANDLED; |
| |
| if (hint == POWER_HINT_INTERACTION) { |
| duration = data ? *((int *)data) : 500; |
| |
| gettimeofday(&cur_boost_timeval, NULL); |
| cur_boost_time = cur_boost_timeval.tv_sec * 1000000 + cur_boost_timeval.tv_usec; |
| elapsed_time = (double) (cur_boost_time - previous_boost_time); |
| if (elapsed_time > 750000) |
| elapsed_time = 750000; |
| /** |
| * Don't hint if it's been less than 250ms since last boost |
| * also detect if we're doing anything resembling a fling |
| * support additional boosting in case of flings |
| */ |
| else if (elapsed_time < 250000 && duration <= 750) |
| return HINT_HANDLED; |
| |
| previous_boost_time = cur_boost_time; |
| |
| if (duration >= 1500) { |
| interaction(duration, ARRAY_SIZE(resources_interaction_fling_boost), |
| resources_interaction_fling_boost); |
| } else { |
| interaction(duration, ARRAY_SIZE(resources_interaction_boost), |
| resources_interaction_boost); |
| } |
| return HINT_HANDLED; |
| } |
| |
| if (hint == POWER_HINT_LAUNCH_BOOST) { |
| launch_boost_info_t *info = (launch_boost_info_t *)data; |
| if (info == NULL) { |
| ALOGE("Invalid argument for launch boost"); |
| return HINT_HANDLED; |
| } |
| |
| duration = 2000; |
| |
| ALOGV("LAUNCH_BOOST: %s (pid=%d)", info->packageName, info->pid); |
| |
| start_prefetch(info->pid, info->packageName); |
| interaction(duration, ARRAY_SIZE(resources_launch_boost), |
| resources_launch_boost); |
| return HINT_HANDLED; |
| } |
| |
| if (hint == POWER_HINT_CPU_BOOST) { |
| duration = *(int32_t *)data / 1000; |
| if (duration > 0) { |
| interaction(duration, ARRAY_SIZE(resources_cpu_boost), |
| resources_cpu_boost); |
| return HINT_HANDLED; |
| } |
| } |
| |
| if (hint == POWER_HINT_CAM_PREVIEW) |
| return process_cam_preview_hint(data); |
| |
| if (hint == POWER_HINT_VIDEO_ENCODE) |
| return process_video_encode_hint(data); |
| |
| return HINT_NONE; |
| } |
| |
| int set_interactive_override(__unused struct power_module *module, 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, ARRAY_SIZE(resource_values)); |
| display_hint_sent = 1; |
| ALOGI("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; |
| ALOGI("Display Off hint stop"); |
| return HINT_HANDLED; |
| } |
| } |
| return HINT_NONE; |
| } |