/* * 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 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 * A57 - offlines * A53 - 4 cores online at 1.2GHz */ int resource_values[] = {0x150C, 0x160C, 0x170C, 0x180C, 0x3DFF}; perform_hint_action(video_encode_metadata.hint_id, resource_values, sizeof(resource_values)/sizeof(resource_values[0])); 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(struct power_module *module, 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(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, sizeof(resource_values)/sizeof(resource_values[0])); display_hint_sent = 1; 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; return HINT_HANDLED; } } return HINT_NONE; }