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/*
* Copyright (c) 2017, 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>
#include <pthread.h>
#include <unistd.h>
#define LOG_TAG "QTI 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_VAL(X,Y) ((X>Y)?(Y):(X))
static int saved_interactive_mode = -1;
static int display_hint_sent;
static int video_encode_hint_sent;
static int cam_preview_hint_sent;
pthread_mutex_t camera_hint_mutex = PTHREAD_MUTEX_INITIALIZER;
static int camera_hint_ref_count;
static void process_video_encode_hint(void *metadata);
//static void process_cam_preview_hint(void *metadata);
/* Returns true is target is SDM630/SDM455 else false*/
static bool is_target_SDM630()
{
int fd;
bool is_target_SDM630=false;
char buf[10] = {0};
fd = open("/sys/devices/soc0/soc_id", O_RDONLY);
if (fd >= 0) {
if (read(fd, buf, sizeof(buf) - 1) == -1) {
ALOGW("Unable to read soc_id");
is_target_SDM630 = false;
} else {
int soc_id = atoi(buf);
if (soc_id == 318 || soc_id == 327 || soc_id == 385) {
is_target_SDM630 = true; /* Above SOCID for SDM630/SDM455 */
}
}
}
close(fd);
return is_target_SDM630;
}
int power_hint_override(struct power_module *module, power_hint_t hint,
void *data)
{
switch(hint) {
case POWER_HINT_VSYNC:
break;
case POWER_HINT_VIDEO_ENCODE:
{
process_video_encode_hint(data);
return HINT_HANDLED;
}
}
return HINT_NONE;
}
int set_interactive_override(struct power_module *module, int on)
{
char governor[80];
char tmp_str[NODE_MAX];
int resource_values[20];
int num_resources;
struct video_encode_metadata_t video_encode_metadata;
int rc;
ALOGI("Got set_interactive hint");
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_HANDLED;
}
}
}
}
if (!on) {
/* Display off. */
if ((strncmp(governor, INTERACTIVE_GOVERNOR, strlen(INTERACTIVE_GOVERNOR)) == 0) &&
(strlen(governor) == strlen(INTERACTIVE_GOVERNOR))) {
/*
1. CPUfreq params
- hispeed freq for big - 1113Mhz
- go hispeed load for big - 95
- above_hispeed_delay for big - 40ms
2. BusDCVS V2 params
- Sample_ms of 10ms
*/
if(is_target_SDM630()){
int res[] = { 0x41414000, 0x459,
0x41410000, 0x5F,
0x41400000, 0x4,
0x41820000, 0xA };
memcpy(resource_values, res, MIN_VAL(sizeof(resource_values), sizeof(res)));
num_resources = sizeof(res)/sizeof(res[0]);
}
/*
1. CPUfreq params
- hispeed freq for little - 902Mhz
- go hispeed load for little - 95
- above_hispeed_delay for little - 40ms
2. BusDCVS V2 params
- Sample_ms of 10ms
3. Sched group upmigrate - 500
*/
else{
int res[] = { 0x41414100, 0x386,
0x41410100, 0x5F,
0x41400100, 0x4,
0x41820000, 0xA,
0x40C54000, 0x1F4};
memcpy(resource_values, res, MIN_VAL(sizeof(resource_values), sizeof(res)));
num_resources = sizeof(res)/sizeof(res[0]);
}
if (!display_hint_sent) {
perform_hint_action(DISPLAY_STATE_HINT_ID,
resource_values, num_resources);
display_hint_sent = 1;
}
}
} 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;
}
}
saved_interactive_mode = !!on;
return HINT_HANDLED;
}
/* Video Encode Hint */
static void process_video_encode_hint(void *metadata)
{
char governor[80];
int resource_values[20];
int num_resources;
struct video_encode_metadata_t video_encode_metadata;
ALOGI("Got process_video_encode_hint");
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_HANDLED;
}
}
}
}
/* 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;
}
} else {
return;
}
if (video_encode_metadata.state == 1) {
if ((strncmp(governor, INTERACTIVE_GOVERNOR,
strlen(INTERACTIVE_GOVERNOR)) == 0) &&
(strlen(governor) == strlen(INTERACTIVE_GOVERNOR))) {
/*
1. CPUfreq params
- hispeed freq for big - 1113Mhz
- go hispeed load for big - 95
- above_hispeed_delay for big - 40ms
- target loads - 95
- nr_run - 5
2. BusDCVS V2 params
- Sample_ms of 10ms
*/
if(is_target_SDM630()){
int res[] = { 0x41414000, 0x459,
0x41410000, 0x5F,
0x41400000, 0x4,
0x41420000, 0x5F,
0x40C2C000, 0X5,
0x41820000, 0xA};
memcpy(resource_values, res, MIN_VAL(sizeof(resource_values), sizeof(res)));
num_resources = sizeof(res)/sizeof(res[0]);
}
/*
1. CPUfreq params
- hispeed freq for little - 902Mhz
- go hispeed load for little - 95
- above_hispeed_delay for little - 40ms
2. BusDCVS V2 params
- Sample_ms of 10ms
*/
else{
int res[] = { 0x41414100, 0x386,
0x41410100, 0x5F,
0x41400100, 0x4,
0x41820000, 0xA};
memcpy(resource_values, res, MIN_VAL(sizeof(resource_values), sizeof(res)));
num_resources = sizeof(res)/sizeof(res[0]);
}
pthread_mutex_lock(&camera_hint_mutex);
camera_hint_ref_count++;
if (camera_hint_ref_count == 1) {
if (!video_encode_hint_sent) {
perform_hint_action(video_encode_metadata.hint_id,
resource_values, num_resources);
video_encode_hint_sent = 1;
}
}
pthread_mutex_unlock(&camera_hint_mutex);
}
} else if (video_encode_metadata.state == 0) {
if ((strncmp(governor, INTERACTIVE_GOVERNOR,
strlen(INTERACTIVE_GOVERNOR)) == 0) &&
(strlen(governor) == strlen(INTERACTIVE_GOVERNOR))) {
pthread_mutex_lock(&camera_hint_mutex);
camera_hint_ref_count--;
if (!camera_hint_ref_count) {
undo_hint_action(video_encode_metadata.hint_id);
video_encode_hint_sent = 0;
}
pthread_mutex_unlock(&camera_hint_mutex);
return ;
}
}
return;
}
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