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/*
* 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 "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_FREQ_CPU0_DISP_OFF 400000
#define MIN_FREQ_CPU0_DISP_ON 960000
static int saved_dcvs_cpu0_slack_max = -1;
static int saved_dcvs_cpu0_slack_min = -1;
static int saved_mpdecision_slack_max = -1;
static int saved_mpdecision_slack_min = -1;
static int saved_interactive_mode = -1;
static int slack_node_rw_failed = 0;
static int display_hint_sent;
int display_boost;
static int is_target_8916() /* Returns value=8916 if target is 8916 else value 0 */
{
int fd;
int is_target_8916=0;
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_8916 = 0;
} else {
int soc_id = atoi(buf);
if (soc_id == 206 || (soc_id >= 247 && soc_id <= 250)) {
is_target_8916 = 8916; /* Above SOCID for 8916 */
}
}
}
close(fd);
return is_target_8916;
}
int power_hint_override(struct power_module *module, power_hint_t hint,
void *data)
{
switch(hint) {
case POWER_HINT_VSYNC:
break;
case POWER_HINT_INTERACTION:
{
int resources[] = {0x702, 0x20F, 0x30F};
int duration = 3000;
interaction(duration, sizeof(resources)/sizeof(resources[0]), resources);
}
return HINT_HANDLED;
case POWER_HINT_VIDEO_ENCODE: /* Do nothing for encode case */
return HINT_HANDLED;
case POWER_HINT_VIDEO_DECODE: /*Do nothing for encode case */
return HINT_HANDLED;
}
return HINT_NONE;
}
int set_interactive_override(struct power_module *module, int on)
{
char governor[80];
char tmp_str[NODE_MAX];
struct video_encode_metadata_t video_encode_metadata;
int rc;
ALOGI("Got set_interactive hint");
if (get_scaling_governor(governor, sizeof(governor)) == -1) {
ALOGE("Can't obtain scaling governor.");
return HINT_HANDLED;
}
if (!on) {
/* Display off. */
switch(is_target_8916()) {
case 8916:
{
if ((strncmp(governor, INTERACTIVE_GOVERNOR, strlen(INTERACTIVE_GOVERNOR)) == 0) &&
(strlen(governor) == strlen(INTERACTIVE_GOVERNOR))) {
int resource_values[] = {TR_MS_50, THREAD_MIGRATION_SYNC_OFF};
if (!display_hint_sent) {
perform_hint_action(DISPLAY_STATE_HINT_ID,
resource_values, sizeof(resource_values)/sizeof(resource_values[0]));
display_hint_sent = 1;
}
} /* Perf time rate set for 8916 target*/
} /* End of Switch case for 8916 */
break ;
default:
{
if ((strncmp(governor, INTERACTIVE_GOVERNOR, strlen(INTERACTIVE_GOVERNOR)) == 0) &&
(strlen(governor) == strlen(INTERACTIVE_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, tmp_str) != 0) {
if(!slack_node_rw_failed) {
ALOGE("Failed to write to %s",SCALING_MIN_FREQ );
}
rc = 1;
}
if (!display_hint_sent) {
perform_hint_action(DISPLAY_STATE_HINT_ID,
resource_values, sizeof(resource_values)/sizeof(resource_values[0]));
display_hint_sent = 1;
}
} /* Perf time rate set for CORE0,CORE4 8939 target*/
}/* End of Switch case for 8939 */
break ;
}
} else {
/* Display on. */
switch(is_target_8916()){
case 8916:
{
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;
}
}
break ;
default :
{
if ((strncmp(governor, INTERACTIVE_GOVERNOR, strlen(INTERACTIVE_GOVERNOR)) == 0) &&
(strlen(governor) == strlen(INTERACTIVE_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, tmp_str) != 0) {
if(!slack_node_rw_failed) {
ALOGE("Failed to write to %s",SCALING_MIN_FREQ );
}
rc = 1;
}
undo_hint_action(DISPLAY_STATE_HINT_ID);
display_hint_sent = 0;
}
}
break ;
} /* End of check condition during the DISPLAY ON case */
}
saved_interactive_mode = !!on;
return HINT_HANDLED;
}
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