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/*
* Copyright (c) 2015-2016, 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 <dlfcn.h>
#include <errno.h>
#include <fcntl.h>
#include <stdlib.h>
#include <string.h>
#include <sys/stat.h>
#include <sys/types.h>
#define LOG_TAG "QTI PowerHAL"
#include <hardware/hardware.h>
#include <hardware/power.h>
#include <log/log.h>
#include "hint-data.h"
#include "metadata-defs.h"
#include "performance.h"
#include "power-common.h"
#include "utils.h"
static int video_encode_hint_sent;
static int process_video_encode_hint(void* metadata) {
char governor[80];
struct video_encode_metadata_t video_encode_metadata;
if (!metadata) return HINT_NONE;
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 (parse_video_encode_metadata((char*)metadata, &video_encode_metadata) == -1) {
ALOGE("Error occurred while parsing metadata.");
return HINT_NONE;
}
if (video_encode_metadata.state == 1) {
if (is_interactive_governor(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
* -sLVT hispeed freq to 806MHz
*/
int resource_values[] = {0x41400000, 0x4, 0x41410000, 0x5F, 0x41414000, 0x326,
0x41420000, 0x5A, 0x41400100, 0x4, 0x41410100, 0x5F,
0x41414100, 0x22C, 0x41420100, 0x5A, 0x41810000, 0x9C4,
0x41814000, 0x32, 0x4180C000, 0x0, 0x41820000, 0xA};
if (!video_encode_hint_sent) {
perform_hint_action(video_encode_metadata.hint_id, resource_values,
ARRAY_SIZE(resource_values));
video_encode_hint_sent = 1;
return HINT_HANDLED;
}
}
} else if (video_encode_metadata.state == 0) {
if (is_interactive_governor(governor)) {
undo_hint_action(video_encode_metadata.hint_id);
video_encode_hint_sent = 0;
return HINT_HANDLED;
}
}
return HINT_NONE;
}
int power_hint_override(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(int UNUSED(on)) {
return HINT_HANDLED; /* Don't excecute this code path, not in use */
}
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