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-rw-r--r--power-8952.c195
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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 <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_interactive_mode = -1;
+static int display_hint_sent;
+static int video_encode_hint_sent;
+
+static void process_video_encode_hint(void *metadata);
+
+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];
+ 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))) {
+ int resource_values[] = {INT_OP_CLUSTER0_TIMER_RATE, BIG_LITTLE_TR_MS_50,
+ INT_OP_CLUSTER1_TIMER_RATE, BIG_LITTLE_TR_MS_50,
+ INT_OP_NOTIFY_ON_MIGRATE, 0x00};
+
+ 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 8952 target*/
+
+ } 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];
+ 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;
+ }
+ }
+ }
+ }
+
+ /* 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))) {
+ /* Sched_load and migration_notif*/
+ int resource_values[] = {INT_OP_CLUSTER0_USE_SCHED_LOAD,
+ 0x1,
+ INT_OP_CLUSTER1_USE_SCHED_LOAD,
+ 0x1,
+ INT_OP_CLUSTER0_USE_MIGRATION_NOTIF,
+ 0x1,
+ INT_OP_CLUSTER1_USE_MIGRATION_NOTIF,
+ 0x1,
+ INT_OP_CLUSTER0_TIMER_RATE,
+ BIG_LITTLE_TR_MS_40,
+ INT_OP_CLUSTER1_TIMER_RATE,
+ BIG_LITTLE_TR_MS_40
+ };
+ if (!video_encode_hint_sent) {
+ perform_hint_action(video_encode_metadata.hint_id,
+ resource_values,
+ sizeof(resource_values)/sizeof(resource_values[0]));
+ video_encode_hint_sent = 1;
+ }
+ }
+ } else if (video_encode_metadata.state == 0) {
+ if ((strncmp(governor, INTERACTIVE_GOVERNOR,
+ strlen(INTERACTIVE_GOVERNOR)) == 0) &&
+ (strlen(governor) == strlen(INTERACTIVE_GOVERNOR))) {
+ undo_hint_action(video_encode_metadata.hint_id);
+ video_encode_hint_sent = 0;
+ return ;
+ }
+ }
+ return;
+}
+