/* * 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 #include #include #include #include #include #include #define LOG_TAG "QCOM PowerHAL" #include #include #include #include "utils.h" #include "metadata-defs.h" #include "hint-data.h" #include "performance.h" #include "power-common.h" int get_number_of_profiles() { return 5; } static int current_power_profile = PROFILE_BALANCED; 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) { int resource_values[] = { CPUS_ONLINE_MPD_OVERRIDE, 0x0A03, CPU0_MAX_FREQ_NONTURBO_MAX - 2, CPU1_MAX_FREQ_NONTURBO_MAX - 2, CPU2_MAX_FREQ_NONTURBO_MAX - 2, CPU3_MAX_FREQ_NONTURBO_MAX - 2, CPU4_MAX_FREQ_NONTURBO_MAX - 2, CPU5_MAX_FREQ_NONTURBO_MAX - 2 }; perform_hint_action(DEFAULT_PROFILE_HINT_ID, resource_values, ARRAY_SIZE(resource_values)); ALOGD("%s: set powersave", __func__); } else if (profile == PROFILE_HIGH_PERFORMANCE) { int resource_values[] = { SCHED_BOOST_ON, CPUS_ONLINE_MAX, ALL_CPUS_PWR_CLPS_DIS, 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 }; perform_hint_action(DEFAULT_PROFILE_HINT_ID, resource_values, ARRAY_SIZE(resource_values)); ALOGD("%s: set performance mode", __func__); } else if (profile == PROFILE_BIAS_POWER) { int resource_values[] = { 0x0A03, 0x0902, CPU0_MAX_FREQ_NONTURBO_MAX - 2, CPU1_MAX_FREQ_NONTURBO_MAX - 2, CPU1_MAX_FREQ_NONTURBO_MAX - 2, CPU2_MAX_FREQ_NONTURBO_MAX - 2, CPU4_MAX_FREQ_NONTURBO_MAX, CPU5_MAX_FREQ_NONTURBO_MAX }; perform_hint_action(DEFAULT_PROFILE_HINT_ID, resource_values, ARRAY_SIZE(resource_values)); ALOGD("%s: set bias power mode", __func__); } else if (profile == PROFILE_BIAS_PERFORMANCE) { int resource_values[] = { CPUS_ONLINE_MAX_LIMIT_MAX, CPU4_MIN_FREQ_NONTURBO_MAX + 1, CPU5_MIN_FREQ_NONTURBO_MAX + 1 }; perform_hint_action(DEFAULT_PROFILE_HINT_ID, resource_values, ARRAY_SIZE(resource_values)); ALOGD("%s: set bias perf mode", __func__); } current_power_profile = profile; } extern void interaction(int duration, int num_args, int opt_list[]); 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))) { /* sched and cpufreq params * hispeed freq - 768 MHz * target load - 90 * above_hispeed_delay - 40ms * sched_small_tsk - 50 */ int resource_values[] = {0x2C07, 0x2F5A, 0x2704, 0x4032}; perform_hint_action(video_encode_metadata.hint_id, resource_values, ARRAY_SIZE(resource_values)); 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); return HINT_HANDLED; } } return HINT_NONE; } int power_hint_override(__attribute__((unused)) struct power_module *module, power_hint_t hint, void *data) { if (hint == POWER_HINT_SET_PROFILE) { set_power_profile(*(int32_t *)data); return HINT_HANDLED; } // Skip other hints in custom power modes if (current_power_profile == PROFILE_POWER_SAVE) { return HINT_HANDLED; } if (hint == POWER_HINT_INTERACTION) { int duration = 500, duration_hint = 0; static struct timespec s_previous_boost_timespec; struct timespec cur_boost_timespec; long long elapsed_time; if (data) { duration_hint = *((int *)data); } duration = duration_hint > 0 ? duration_hint : 500; clock_gettime(CLOCK_MONOTONIC, &cur_boost_timespec); elapsed_time = calc_timespan_us(s_previous_boost_timespec, cur_boost_timespec); 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; s_previous_boost_timespec = cur_boost_timespec; if (duration >= 1500) { int resources[] = { ALL_CPUS_PWR_CLPS_DIS, SCHED_BOOST_ON, SCHED_PREFER_IDLE_DIS }; interaction(duration, ARRAY_SIZE(resources), resources); } else { int resources[] = { ALL_CPUS_PWR_CLPS_DIS, SCHED_PREFER_IDLE_DIS }; interaction(duration, ARRAY_SIZE(resources), resources); } return HINT_HANDLED; } if (hint == POWER_HINT_LAUNCH) { int duration = 2000; int resources[] = { SCHED_BOOST_ON, 0x20C }; interaction(duration, ARRAY_SIZE(resources), resources); return HINT_HANDLED; } if (hint == POWER_HINT_CPU_BOOST) { int duration = *(int32_t *)data / 1000; int resources[] = { SCHED_BOOST_ON }; if (duration > 0) interaction(duration, ARRAY_SIZE(resources), resources); return HINT_HANDLED; } if (hint == POWER_HINT_VIDEO_ENCODE) { return process_video_encode_hint(data); } return HINT_NONE; } int set_interactive_override(__attribute__((unused)) struct power_module *module, int on) { 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))) { // sched upmigrate = 99, sched downmigrate = 95 // keep the big cores around, but make them very hard to use int resource_values[] = { 0x4E63, 0x4F5F }; perform_hint_action(DISPLAY_STATE_HINT_ID, resource_values, ARRAY_SIZE(resource_values)); 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); return HINT_HANDLED; } } return HINT_NONE; }