234 lines
8.4 KiB
C
234 lines
8.4 KiB
C
/*
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* Copyright (c) 2015, The Linux Foundation. All rights reserved.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions are
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* met:
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* * * Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer.
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* * Redistributions in binary form must reproduce the above
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* copyright notice, this list of conditions and the following
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* disclaimer in the documentation and/or other materials provided
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* with the distribution.
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* * Neither the name of The Linux Foundation nor the names of its
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* contributors may be used to endorse or promote products derived
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* from this software without specific prior written permission.
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*
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* THIS SOFTWARE IS PROVIDED "AS IS" AND ANY EXPRESS OR IMPLIED
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* WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF
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* MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT
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* ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS
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* BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
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* CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
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* SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR
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* BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY,
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* WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE
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* OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN
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* IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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*/
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#define LOG_NIDEBUG 0
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#include <errno.h>
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#include <string.h>
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#include <sys/types.h>
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#include <sys/stat.h>
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#include <fcntl.h>
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#include <dlfcn.h>
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#include <stdlib.h>
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#define LOG_TAG "QTI PowerHAL"
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#include <utils/Log.h>
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#include <hardware/hardware.h>
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#include <hardware/power.h>
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#include "utils.h"
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#include "metadata-defs.h"
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#include "hint-data.h"
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#include "performance.h"
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#include "power-common.h"
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#define MIN_FREQ_CPU0_DISP_OFF 400000
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#define MIN_FREQ_CPU0_DISP_ON 960000
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char scaling_min_freq[4][80] ={
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"sys/devices/system/cpu/cpu0/cpufreq/scaling_min_freq",
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"sys/devices/system/cpu/cpu1/cpufreq/scaling_min_freq",
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"sys/devices/system/cpu/cpu2/cpufreq/scaling_min_freq",
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"sys/devices/system/cpu/cpu3/cpufreq/scaling_min_freq"
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};
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static int saved_dcvs_cpu0_slack_max = -1;
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static int saved_dcvs_cpu0_slack_min = -1;
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static int saved_mpdecision_slack_max = -1;
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static int saved_mpdecision_slack_min = -1;
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static int saved_interactive_mode = -1;
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static int slack_node_rw_failed = 0;
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static int display_hint_sent;
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int display_boost;
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static int is_target_8916() /* Returns value=8916 if target is 8916 else value 0 */
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{
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int fd;
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int is_target_8916=0;
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char buf[10] = {0};
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fd = open("/sys/devices/soc0/soc_id", O_RDONLY);
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if (fd >= 0) {
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if (read(fd, buf, sizeof(buf) - 1) == -1) {
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ALOGW("Unable to read soc_id");
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is_target_8916 = 0;
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} else {
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int soc_id = atoi(buf);
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if (soc_id == 206 || (soc_id >= 247 && soc_id <= 250)) {
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is_target_8916 = 8916; /* Above SOCID for 8916 */
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}
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}
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}
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close(fd);
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return is_target_8916;
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}
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/* Declare function before use */
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void interaction(int duration, int num_args, int opt_list[]);
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int power_hint_override(struct power_module *module, power_hint_t hint,
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void *data)
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{
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switch(hint) {
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case POWER_HINT_VSYNC:
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break;
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case POWER_HINT_INTERACTION:
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{
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int resources[] = {0x702, 0x20F, 0x30F};
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int duration = 3000;
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interaction(duration, sizeof(resources)/sizeof(resources[0]), resources);
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}
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return HINT_HANDLED;
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case POWER_HINT_VIDEO_ENCODE: /* Do nothing for encode case */
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return HINT_HANDLED;
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case POWER_HINT_VIDEO_DECODE: /*Do nothing for encode case */
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return HINT_HANDLED;
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default:
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return HINT_HANDLED;
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}
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return HINT_NONE;
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}
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int set_interactive_override(struct power_module *module, int on)
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{
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char governor[80];
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char tmp_str[NODE_MAX];
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struct video_encode_metadata_t video_encode_metadata;
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int rc;
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ALOGI("Got set_interactive hint");
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if (get_scaling_governor_check_cores(governor, sizeof(governor),CPU0) == -1) {
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if (get_scaling_governor_check_cores(governor, sizeof(governor),CPU1) == -1) {
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if (get_scaling_governor_check_cores(governor, sizeof(governor),CPU2) == -1) {
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if (get_scaling_governor_check_cores(governor, sizeof(governor),CPU3) == -1) {
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ALOGE("Can't obtain scaling governor.");
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return HINT_HANDLED;
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}
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}
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}
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}
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if (!on) {
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/* Display off. */
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switch(is_target_8916()) {
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case 8916:
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{
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if ((strncmp(governor, INTERACTIVE_GOVERNOR, strlen(INTERACTIVE_GOVERNOR)) == 0) &&
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(strlen(governor) == strlen(INTERACTIVE_GOVERNOR))) {
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int resource_values[] = {TR_MS_50, THREAD_MIGRATION_SYNC_OFF};
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if (!display_hint_sent) {
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perform_hint_action(DISPLAY_STATE_HINT_ID,
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resource_values, sizeof(resource_values)/sizeof(resource_values[0]));
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display_hint_sent = 1;
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}
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} /* Perf time rate set for 8916 target*/
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} /* End of Switch case for 8916 */
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break ;
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default:
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{
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if ((strncmp(governor, INTERACTIVE_GOVERNOR, strlen(INTERACTIVE_GOVERNOR)) == 0) &&
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(strlen(governor) == strlen(INTERACTIVE_GOVERNOR))) {
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int resource_values[] = {TR_MS_CPU0_50,TR_MS_CPU4_50, THREAD_MIGRATION_SYNC_OFF};
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/* Set CPU0 MIN FREQ to 400Mhz avoid extra peak power
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impact in volume key press */
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snprintf(tmp_str, NODE_MAX, "%d", MIN_FREQ_CPU0_DISP_OFF);
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if (sysfs_write(scaling_min_freq[0], tmp_str) != 0) {
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if (sysfs_write(scaling_min_freq[1], tmp_str) != 0) {
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if (sysfs_write(scaling_min_freq[2], tmp_str) != 0) {
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if (sysfs_write(scaling_min_freq[3], tmp_str) != 0) {
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if(!slack_node_rw_failed) {
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ALOGE("Failed to write to %s",SCALING_MIN_FREQ );
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}
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rc = 1;
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}
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}
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}
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}
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if (!display_hint_sent) {
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perform_hint_action(DISPLAY_STATE_HINT_ID,
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resource_values, sizeof(resource_values)/sizeof(resource_values[0]));
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display_hint_sent = 1;
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}
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} /* Perf time rate set for CORE0,CORE4 8939 target*/
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}/* End of Switch case for 8939 */
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break ;
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}
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} else {
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/* Display on. */
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switch(is_target_8916()){
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case 8916:
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{
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if ((strncmp(governor, INTERACTIVE_GOVERNOR, strlen(INTERACTIVE_GOVERNOR)) == 0) &&
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(strlen(governor) == strlen(INTERACTIVE_GOVERNOR))) {
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undo_hint_action(DISPLAY_STATE_HINT_ID);
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display_hint_sent = 0;
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}
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}
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break ;
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default :
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{
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if ((strncmp(governor, INTERACTIVE_GOVERNOR, strlen(INTERACTIVE_GOVERNOR)) == 0) &&
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(strlen(governor) == strlen(INTERACTIVE_GOVERNOR))) {
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/* Recovering MIN_FREQ in display ON case */
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snprintf(tmp_str, NODE_MAX, "%d", MIN_FREQ_CPU0_DISP_ON);
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if (sysfs_write(scaling_min_freq[0], tmp_str) != 0) {
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if (sysfs_write(scaling_min_freq[1], tmp_str) != 0) {
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if (sysfs_write(scaling_min_freq[2], tmp_str) != 0) {
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if (sysfs_write(scaling_min_freq[3], tmp_str) != 0) {
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if(!slack_node_rw_failed) {
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ALOGE("Failed to write to %s",SCALING_MIN_FREQ );
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}
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rc = 1;
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}
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}
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}
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}
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undo_hint_action(DISPLAY_STATE_HINT_ID);
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display_hint_sent = 0;
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}
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}
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break ;
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} /* End of check condition during the DISPLAY ON case */
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}
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saved_interactive_mode = !!on;
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return HINT_HANDLED;
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}
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