| /* |
| * Copyright (c) 2015, The Linux Foundation. All rights reserved. |
| * Copyright (C) 2018 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 <errno.h> |
| #include <time.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 <log/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" |
| |
| #define MIN_FREQ_CPU0_DISP_OFF 400000 |
| #define MIN_FREQ_CPU0_DISP_ON 960000 |
| |
| const char *scaling_min_freq[4] = { |
| "/sys/devices/system/cpu/cpu0/cpufreq/scaling_min_freq", |
| "/sys/devices/system/cpu/cpu1/cpufreq/scaling_min_freq", |
| "/sys/devices/system/cpu/cpu2/cpufreq/scaling_min_freq", |
| "/sys/devices/system/cpu/cpu3/cpufreq/scaling_min_freq" |
| }; |
| |
| /** |
| * Returns true if the target is MSM8916. |
| */ |
| static bool is_target_8916(void) |
| { |
| static int is_8916 = -1; |
| int soc_id; |
| |
| if (is_8916 >= 0) |
| return is_8916; |
| |
| soc_id = get_soc_id(); |
| is_8916 = soc_id == 206 || (soc_id >= 247 && soc_id <= 250); |
| |
| return is_8916; |
| } |
| |
| static int current_power_profile = PROFILE_BALANCED; |
| |
| static int profile_high_performance_8916[3] = { |
| 0x1C00, 0x0901, CPU0_MIN_FREQ_TURBO_MAX, |
| }; |
| |
| static int profile_high_performance_8939[11] = { |
| SCHED_BOOST_ON, 0x1C00, 0x0901, |
| CPU0_MIN_FREQ_TURBO_MAX, CPU1_MIN_FREQ_TURBO_MAX, |
| CPU2_MIN_FREQ_TURBO_MAX, CPU3_MIN_FREQ_TURBO_MAX, |
| CPU4_MIN_FREQ_TURBO_MAX, CPU5_MIN_FREQ_TURBO_MAX, |
| CPU6_MIN_FREQ_TURBO_MAX, CPU7_MIN_FREQ_TURBO_MAX, |
| }; |
| |
| static int profile_power_save_8916[1] = { |
| CPU0_MAX_FREQ_NONTURBO_MAX, |
| }; |
| |
| static int profile_power_save_8939[5] = { |
| CPUS_ONLINE_MAX_LIMIT_2, |
| CPU0_MAX_FREQ_NONTURBO_MAX, CPU1_MAX_FREQ_NONTURBO_MAX, |
| CPU2_MAX_FREQ_NONTURBO_MAX, CPU3_MAX_FREQ_NONTURBO_MAX, |
| }; |
| |
| #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) { |
| ret = perform_hint_action(DEFAULT_PROFILE_HINT_ID, |
| is_target_8916() ? profile_power_save_8916 : |
| profile_power_save_8939, |
| is_target_8916() ? ARRAY_SIZE(profile_power_save_8916) : |
| ARRAY_SIZE(profile_power_save_8939)); |
| profile_name = "powersave"; |
| |
| } else if (profile == PROFILE_HIGH_PERFORMANCE) { |
| ret = perform_hint_action(DEFAULT_PROFILE_HINT_ID, |
| is_target_8916() ? profile_high_performance_8916 : |
| profile_high_performance_8939, |
| is_target_8916() ? ARRAY_SIZE(profile_high_performance_8916) : |
| ARRAY_SIZE(profile_high_performance_8939)); |
| 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 resources_interaction_fling_boost[] = { |
| ALL_CPUS_PWR_CLPS_DIS, |
| SCHED_BOOST_ON, |
| SCHED_PREFER_IDLE_DIS, |
| 0x20D |
| }; |
| |
| static int resources_interaction_boost[] = { |
| ALL_CPUS_PWR_CLPS_DIS, |
| SCHED_PREFER_IDLE_DIS, |
| 0x20D |
| }; |
| |
| static int resources_launch[] = { |
| ALL_CPUS_PWR_CLPS_DIS, |
| SCHED_BOOST_ON, |
| SCHED_PREFER_IDLE_DIS, |
| 0x20F, |
| 0x1C00, |
| 0x4001, |
| 0x4101, |
| 0x4201 |
| }; |
| |
| static int process_activity_launch_hint(void *data) |
| { |
| static int launch_handle = -1; |
| static int launch_mode = 0; |
| |
| // release lock early if launch has finished |
| if (!data) { |
| if (CHECK_HANDLE(launch_handle)) { |
| release_request(launch_handle); |
| launch_handle = -1; |
| } |
| launch_mode = 0; |
| return HINT_HANDLED; |
| } |
| |
| if (!launch_mode) { |
| launch_handle = interaction_with_handle(launch_handle, 5000, |
| ARRAY_SIZE(resources_launch), resources_launch); |
| if (!CHECK_HANDLE(launch_handle)) { |
| ALOGE("Failed to perform launch boost"); |
| return HINT_NONE; |
| } |
| launch_mode = 1; |
| } |
| return HINT_HANDLED; |
| } |
| |
| int power_hint_override(power_hint_t hint, void *data) |
| { |
| static struct timespec s_previous_boost_timespec; |
| struct timespec cur_boost_timespec; |
| long long elapsed_time; |
| static int s_previous_duration = 0; |
| int duration; |
| |
| 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_INTERACTION: |
| duration = 500; // 500ms by default |
| if (data) { |
| int input_duration = *((int*)data); |
| if (input_duration > duration) { |
| duration = (input_duration > 5000) ? 5000 : input_duration; |
| } |
| } |
| |
| clock_gettime(CLOCK_MONOTONIC, &cur_boost_timespec); |
| |
| elapsed_time = calc_timespan_us(s_previous_boost_timespec, cur_boost_timespec); |
| // don't hint if previous hint's duration covers this hint's duration |
| if ((s_previous_duration * 1000) > (elapsed_time + duration * 1000)) { |
| return HINT_HANDLED; |
| } |
| s_previous_boost_timespec = cur_boost_timespec; |
| s_previous_duration = duration; |
| |
| 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; |
| case POWER_HINT_LAUNCH: |
| return process_activity_launch_hint(data); |
| case POWER_HINT_VIDEO_ENCODE: /* Do nothing for encode case */ |
| return HINT_HANDLED; |
| case POWER_HINT_VIDEO_DECODE: /* Do nothing for decode case */ |
| return HINT_HANDLED; |
| default: |
| break; |
| } |
| return HINT_NONE; |
| } |
| |
| int set_interactive_override(int on) |
| { |
| char governor[80]; |
| char tmp_str[NODE_MAX]; |
| |
| if (get_scaling_governor_check_cores(governor, sizeof(governor), CPU0) == -1) { |
| if (get_scaling_governor_check_cores(governor, sizeof(governor), CPU1) == -1) { |
| if (get_scaling_governor_check_cores(governor, sizeof(governor), CPU2) == -1) { |
| if (get_scaling_governor_check_cores(governor, sizeof(governor), CPU3) == -1) { |
| ALOGE("Can't obtain scaling governor."); |
| return HINT_NONE; |
| } |
| } |
| } |
| } |
| |
| if (!on) { |
| /* Display off. */ |
| if (is_target_8916()) { |
| 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 { |
| if (is_interactive_governor(governor)) { |
| int resource_values[] = { |
| TR_MS_CPU0_50, TR_MS_CPU4_50, THREAD_MIGRATION_SYNC_OFF |
| }; |
| |
| /* Set CPU0 MIN FREQ to 400Mhz avoid extra peak power |
| impact in volume key press */ |
| snprintf(tmp_str, NODE_MAX, "%d", MIN_FREQ_CPU0_DISP_OFF); |
| if (sysfs_write(scaling_min_freq[0], tmp_str) != 0) { |
| if (sysfs_write(scaling_min_freq[1], tmp_str) != 0) { |
| if (sysfs_write(scaling_min_freq[2], tmp_str) != 0) { |
| if (sysfs_write(scaling_min_freq[3], tmp_str) != 0) { |
| ALOGE("Failed to write to %s", SCALING_MIN_FREQ); |
| } |
| } |
| } |
| } |
| perform_hint_action(DISPLAY_STATE_HINT_ID, |
| resource_values, ARRAY_SIZE(resource_values)); |
| } |
| } |
| } else { |
| /* Display on. */ |
| if (is_target_8916()) { |
| if (is_interactive_governor(governor)) { |
| undo_hint_action(DISPLAY_STATE_HINT_ID); |
| } |
| } else { |
| if (is_interactive_governor(governor)) { |
| /* Recovering MIN_FREQ in display ON case */ |
| snprintf(tmp_str, NODE_MAX, "%d", MIN_FREQ_CPU0_DISP_ON); |
| if (sysfs_write(scaling_min_freq[0], tmp_str) != 0) { |
| if (sysfs_write(scaling_min_freq[1], tmp_str) != 0) { |
| if (sysfs_write(scaling_min_freq[2], tmp_str) != 0) { |
| if (sysfs_write(scaling_min_freq[3], tmp_str) != 0) { |
| ALOGE("Failed to write to %s", SCALING_MIN_FREQ); |
| } |
| } |
| } |
| } |
| undo_hint_action(DISPLAY_STATE_HINT_ID); |
| } |
| } |
| } |
| return HINT_HANDLED; |
| } |