blob: 051cd5a9e42935ffda5f1c7eeae9933853ea2513 [file] [log] [blame]
/*
* Copyright (c) 2012-2017, 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 <unistd.h>
#define LOG_TAG "QTI 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 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 power_device_open(const hw_module_t* module, const char* name,
hw_device_t** device);
static struct hw_module_methods_t power_module_methods = {
.open = power_device_open,
};
static void power_init(struct power_module *module)
{
ALOGI("QTI power HAL initing.");
int fd;
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");
} else {
int soc_id = atoi(buf);
if (soc_id == 194 || (soc_id >= 208 && soc_id <= 218) || soc_id == 178) {
display_boost = 1;
}
}
close(fd);
}
}
static void process_video_decode_hint(void *metadata)
{
char governor[80];
struct video_decode_metadata_t video_decode_metadata;
if (get_scaling_governor(governor, sizeof(governor)) == -1) {
ALOGE("Can't obtain scaling governor.");
return;
}
if (metadata) {
ALOGI("Processing video decode hint. Metadata: %s", (char *)metadata);
}
/* Initialize encode metadata struct fields. */
memset(&video_decode_metadata, 0, sizeof(struct video_decode_metadata_t));
video_decode_metadata.state = -1;
video_decode_metadata.hint_id = DEFAULT_VIDEO_DECODE_HINT_ID;
if (metadata) {
if (parse_video_decode_metadata((char *)metadata, &video_decode_metadata) ==
-1) {
ALOGE("Error occurred while parsing metadata.");
return;
}
} else {
return;
}
if (video_decode_metadata.state == 1) {
if ((strncmp(governor, ONDEMAND_GOVERNOR, strlen(ONDEMAND_GOVERNOR)) == 0) &&
(strlen(governor) == strlen(ONDEMAND_GOVERNOR))) {
int resource_values[] = {THREAD_MIGRATION_SYNC_OFF};
perform_hint_action(video_decode_metadata.hint_id,
resource_values, sizeof(resource_values)/sizeof(resource_values[0]));
} else if ((strncmp(governor, INTERACTIVE_GOVERNOR, strlen(INTERACTIVE_GOVERNOR)) == 0) &&
(strlen(governor) == strlen(INTERACTIVE_GOVERNOR))) {
int resource_values[] = {TR_MS_30, HISPEED_LOAD_90, HS_FREQ_1026, THREAD_MIGRATION_SYNC_OFF};
perform_hint_action(video_decode_metadata.hint_id,
resource_values, sizeof(resource_values)/sizeof(resource_values[0]));
}
} else if (video_decode_metadata.state == 0) {
if ((strncmp(governor, ONDEMAND_GOVERNOR, strlen(ONDEMAND_GOVERNOR)) == 0) &&
(strlen(governor) == strlen(ONDEMAND_GOVERNOR))) {
} else if ((strncmp(governor, INTERACTIVE_GOVERNOR, strlen(INTERACTIVE_GOVERNOR)) == 0) &&
(strlen(governor) == strlen(INTERACTIVE_GOVERNOR))) {
undo_hint_action(video_decode_metadata.hint_id);
}
}
}
static void 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;
}
/* 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, ONDEMAND_GOVERNOR, strlen(ONDEMAND_GOVERNOR)) == 0) &&
(strlen(governor) == strlen(ONDEMAND_GOVERNOR))) {
int resource_values[] = {IO_BUSY_OFF, SAMPLING_DOWN_FACTOR_1, THREAD_MIGRATION_SYNC_OFF};
perform_hint_action(video_encode_metadata.hint_id,
resource_values, sizeof(resource_values)/sizeof(resource_values[0]));
} else if ((strncmp(governor, INTERACTIVE_GOVERNOR, strlen(INTERACTIVE_GOVERNOR)) == 0) &&
(strlen(governor) == strlen(INTERACTIVE_GOVERNOR))) {
int resource_values[] = {TR_MS_30, HISPEED_LOAD_90, HS_FREQ_1026, THREAD_MIGRATION_SYNC_OFF,
INTERACTIVE_IO_BUSY_OFF};
perform_hint_action(video_encode_metadata.hint_id,
resource_values, sizeof(resource_values)/sizeof(resource_values[0]));
}
} else if (video_encode_metadata.state == 0) {
if ((strncmp(governor, ONDEMAND_GOVERNOR, strlen(ONDEMAND_GOVERNOR)) == 0) &&
(strlen(governor) == strlen(ONDEMAND_GOVERNOR))) {
undo_hint_action(video_encode_metadata.hint_id);
} else if ((strncmp(governor, INTERACTIVE_GOVERNOR, strlen(INTERACTIVE_GOVERNOR)) == 0) &&
(strlen(governor) == strlen(INTERACTIVE_GOVERNOR))) {
undo_hint_action(video_encode_metadata.hint_id);
}
}
}
int __attribute__ ((weak)) power_hint_override(struct power_module *module, power_hint_t hint,
void *data)
{
return HINT_NONE;
}
/* Declare function before use */
void interaction(int duration, int num_args, int opt_list[]);
static void power_hint(struct power_module *module, power_hint_t hint,
void *data)
{
/* Check if this hint has been overridden. */
if (power_hint_override(module, hint, data) == HINT_HANDLED) {
/* The power_hint has been handled. We can skip the rest. */
return;
}
switch(hint) {
case POWER_HINT_VSYNC:
break;
case POWER_HINT_SUSTAINED_PERFORMANCE:
ALOGI("Sustained perf power hint not handled in power_hint_override");
break;
case POWER_HINT_VR_MODE:
ALOGI("VR mode power hint not handled in power_hint_override");
break;
case POWER_HINT_INTERACTION:
{
int resources[] = {0x702, 0x20F, 0x30F};
int duration = 3000;
interaction(duration, sizeof(resources)/sizeof(resources[0]), resources);
}
break;
case POWER_HINT_VIDEO_ENCODE:
process_video_encode_hint(data);
break;
case POWER_HINT_VIDEO_DECODE:
process_video_decode_hint(data);
break;
}
}
int __attribute__ ((weak)) set_interactive_override(struct power_module *module, int on)
{
return HINT_NONE;
}
void set_interactive(struct power_module *module, int on)
{
char governor[80];
char tmp_str[NODE_MAX];
struct video_encode_metadata_t video_encode_metadata;
int rc = 0;
if (!on) {
/* Send Display OFF hint to perf HAL */
perf_hint_enable(VENDOR_HINT_DISPLAY_OFF, 0);
} else {
/* Send Display ON hint to perf HAL */
perf_hint_enable(VENDOR_HINT_DISPLAY_ON, 0);
}
if (set_interactive_override(module, on) == HINT_HANDLED) {
return;
}
ALOGI("Got set_interactive hint");
if (get_scaling_governor(governor, sizeof(governor)) == -1) {
ALOGE("Can't obtain scaling governor.");
return;
}
if (!on) {
/* Display off. */
if ((strncmp(governor, ONDEMAND_GOVERNOR, strlen(ONDEMAND_GOVERNOR)) == 0) &&
(strlen(governor) == strlen(ONDEMAND_GOVERNOR))) {
int resource_values[] = {DISPLAY_OFF, MS_500, 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;
}
} else 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;
}
} else if ((strncmp(governor, MSMDCVS_GOVERNOR, strlen(MSMDCVS_GOVERNOR)) == 0) &&
(strlen(governor) == strlen(MSMDCVS_GOVERNOR))) {
if (saved_interactive_mode == 1){
/* Display turned off. */
if (sysfs_read(DCVS_CPU0_SLACK_MAX_NODE, tmp_str, NODE_MAX - 1)) {
if (!slack_node_rw_failed) {
ALOGE("Failed to read from %s", DCVS_CPU0_SLACK_MAX_NODE);
}
rc = 1;
} else {
saved_dcvs_cpu0_slack_max = atoi(tmp_str);
}
if (sysfs_read(DCVS_CPU0_SLACK_MIN_NODE, tmp_str, NODE_MAX - 1)) {
if (!slack_node_rw_failed) {
ALOGE("Failed to read from %s", DCVS_CPU0_SLACK_MIN_NODE);
}
rc = 1;
} else {
saved_dcvs_cpu0_slack_min = atoi(tmp_str);
}
if (sysfs_read(MPDECISION_SLACK_MAX_NODE, tmp_str, NODE_MAX - 1)) {
if (!slack_node_rw_failed) {
ALOGE("Failed to read from %s", MPDECISION_SLACK_MAX_NODE);
}
rc = 1;
} else {
saved_mpdecision_slack_max = atoi(tmp_str);
}
if (sysfs_read(MPDECISION_SLACK_MIN_NODE, tmp_str, NODE_MAX - 1)) {
if(!slack_node_rw_failed) {
ALOGE("Failed to read from %s", MPDECISION_SLACK_MIN_NODE);
}
rc = 1;
} else {
saved_mpdecision_slack_min = atoi(tmp_str);
}
/* Write new values. */
if (saved_dcvs_cpu0_slack_max != -1) {
snprintf(tmp_str, NODE_MAX, "%d", 10 * saved_dcvs_cpu0_slack_max);
if (sysfs_write(DCVS_CPU0_SLACK_MAX_NODE, tmp_str) != 0) {
if (!slack_node_rw_failed) {
ALOGE("Failed to write to %s", DCVS_CPU0_SLACK_MAX_NODE);
}
rc = 1;
}
}
if (saved_dcvs_cpu0_slack_min != -1) {
snprintf(tmp_str, NODE_MAX, "%d", 10 * saved_dcvs_cpu0_slack_min);
if (sysfs_write(DCVS_CPU0_SLACK_MIN_NODE, tmp_str) != 0) {
if(!slack_node_rw_failed) {
ALOGE("Failed to write to %s", DCVS_CPU0_SLACK_MIN_NODE);
}
rc = 1;
}
}
if (saved_mpdecision_slack_max != -1) {
snprintf(tmp_str, NODE_MAX, "%d", 10 * saved_mpdecision_slack_max);
if (sysfs_write(MPDECISION_SLACK_MAX_NODE, tmp_str) != 0) {
if(!slack_node_rw_failed) {
ALOGE("Failed to write to %s", MPDECISION_SLACK_MAX_NODE);
}
rc = 1;
}
}
if (saved_mpdecision_slack_min != -1) {
snprintf(tmp_str, NODE_MAX, "%d", 10 * saved_mpdecision_slack_min);
if (sysfs_write(MPDECISION_SLACK_MIN_NODE, tmp_str) != 0) {
if(!slack_node_rw_failed) {
ALOGE("Failed to write to %s", MPDECISION_SLACK_MIN_NODE);
}
rc = 1;
}
}
}
slack_node_rw_failed = rc;
}
} else {
/* Display on. */
if ((strncmp(governor, ONDEMAND_GOVERNOR, strlen(ONDEMAND_GOVERNOR)) == 0) &&
(strlen(governor) == strlen(ONDEMAND_GOVERNOR))) {
undo_hint_action(DISPLAY_STATE_HINT_ID);
display_hint_sent = 0;
} else 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;
} else if ((strncmp(governor, MSMDCVS_GOVERNOR, strlen(MSMDCVS_GOVERNOR)) == 0) &&
(strlen(governor) == strlen(MSMDCVS_GOVERNOR))) {
if (saved_interactive_mode == -1 || saved_interactive_mode == 0) {
/* Display turned on. Restore if possible. */
if (saved_dcvs_cpu0_slack_max != -1) {
snprintf(tmp_str, NODE_MAX, "%d", saved_dcvs_cpu0_slack_max);
if (sysfs_write(DCVS_CPU0_SLACK_MAX_NODE, tmp_str) != 0) {
if (!slack_node_rw_failed) {
ALOGE("Failed to write to %s", DCVS_CPU0_SLACK_MAX_NODE);
}
rc = 1;
}
}
if (saved_dcvs_cpu0_slack_min != -1) {
snprintf(tmp_str, NODE_MAX, "%d", saved_dcvs_cpu0_slack_min);
if (sysfs_write(DCVS_CPU0_SLACK_MIN_NODE, tmp_str) != 0) {
if (!slack_node_rw_failed) {
ALOGE("Failed to write to %s", DCVS_CPU0_SLACK_MIN_NODE);
}
rc = 1;
}
}
if (saved_mpdecision_slack_max != -1) {
snprintf(tmp_str, NODE_MAX, "%d", saved_mpdecision_slack_max);
if (sysfs_write(MPDECISION_SLACK_MAX_NODE, tmp_str) != 0) {
if (!slack_node_rw_failed) {
ALOGE("Failed to write to %s", MPDECISION_SLACK_MAX_NODE);
}
rc = 1;
}
}
if (saved_mpdecision_slack_min != -1) {
snprintf(tmp_str, NODE_MAX, "%d", saved_mpdecision_slack_min);
if (sysfs_write(MPDECISION_SLACK_MIN_NODE, tmp_str) != 0) {
if (!slack_node_rw_failed) {
ALOGE("Failed to write to %s", MPDECISION_SLACK_MIN_NODE);
}
rc = 1;
}
}
}
slack_node_rw_failed = rc;
}
}
saved_interactive_mode = !!on;
}
static int power_device_open(const hw_module_t* module, const char* name,
hw_device_t** device)
{
int status = -EINVAL;
if (module && name && device) {
if (!strcmp(name, POWER_HARDWARE_MODULE_ID)) {
power_module_t *dev = (power_module_t *)malloc(sizeof(*dev));
if(dev) {
memset(dev, 0, sizeof(*dev));
if(dev) {
/* initialize the fields */
dev->common.module_api_version = POWER_MODULE_API_VERSION_0_2;
dev->common.tag = HARDWARE_DEVICE_TAG;
dev->init = power_init;
dev->powerHint = power_hint;
dev->setInteractive = set_interactive;
/* At the moment we support 0.2 APIs */
dev->setFeature = NULL,
dev->get_number_of_platform_modes = NULL,
dev->get_platform_low_power_stats = NULL,
dev->get_voter_list = NULL,
*device = (hw_device_t*)dev;
status = 0;
} else {
status = -ENOMEM;
}
}
else {
status = -ENOMEM;
}
}
}
return status;
}
struct power_module HAL_MODULE_INFO_SYM = {
.common = {
.tag = HARDWARE_MODULE_TAG,
.module_api_version = POWER_MODULE_API_VERSION_0_2,
.hal_api_version = HARDWARE_HAL_API_VERSION,
.id = POWER_HARDWARE_MODULE_ID,
.name = "QTI Power HAL",
.author = "QTI",
.methods = &power_module_methods,
},
.init = power_init,
.powerHint = power_hint,
.setInteractive = set_interactive,
};