433 lines
16 KiB
C
433 lines
16 KiB
C
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/*
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* Copyright (c) 2012-2013, 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 "QCOM 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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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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static struct hw_module_methods_t power_module_methods = {
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.open = NULL,
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};
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static void power_init(struct power_module *module)
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{
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ALOGI("QCOM power HAL initing.");
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}
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static void process_video_decode_hint(void *metadata)
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{
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char governor[80];
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struct video_decode_metadata_t video_decode_metadata;
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if (get_scaling_governor(governor, sizeof(governor)) == -1) {
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ALOGE("Can't obtain scaling governor.");
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return;
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}
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if (metadata) {
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ALOGI("Processing video decode hint. Metadata: %s", (char *)metadata);
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}
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/* Initialize encode metadata struct fields. */
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memset(&video_decode_metadata, 0, sizeof(struct video_decode_metadata_t));
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video_decode_metadata.state = -1;
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video_decode_metadata.hint_id = DEFAULT_VIDEO_DECODE_HINT_ID;
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if (metadata) {
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if (parse_video_decode_metadata((char *)metadata, &video_decode_metadata) ==
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-1) {
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ALOGE("Error occurred while parsing metadata.");
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return;
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}
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} else {
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return;
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}
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if (video_decode_metadata.state == 1) {
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if ((strncmp(governor, ONDEMAND_GOVERNOR, strlen(ONDEMAND_GOVERNOR)) == 0) &&
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(strlen(governor) == strlen(ONDEMAND_GOVERNOR))) {
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int resource_values[] = {THREAD_MIGRATION_SYNC_OFF};
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perform_hint_action(video_decode_metadata.hint_id,
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resource_values, sizeof(resource_values)/sizeof(resource_values[0]));
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} else 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_30, HISPEED_LOAD_90, HS_FREQ_1026, THREAD_MIGRATION_SYNC_OFF};
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perform_hint_action(video_decode_metadata.hint_id,
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resource_values, sizeof(resource_values)/sizeof(resource_values[0]));
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}
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} else if (video_decode_metadata.state == 0) {
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if ((strncmp(governor, ONDEMAND_GOVERNOR, strlen(ONDEMAND_GOVERNOR)) == 0) &&
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(strlen(governor) == strlen(ONDEMAND_GOVERNOR))) {
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} else 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(video_decode_metadata.hint_id);
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}
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}
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}
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static void process_video_encode_hint(void *metadata)
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{
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char governor[80];
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struct video_encode_metadata_t video_encode_metadata;
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if (get_scaling_governor(governor, sizeof(governor)) == -1) {
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ALOGE("Can't obtain scaling governor.");
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return;
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}
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/* Initialize encode metadata struct fields. */
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memset(&video_encode_metadata, 0, sizeof(struct video_encode_metadata_t));
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video_encode_metadata.state = -1;
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video_encode_metadata.hint_id = DEFAULT_VIDEO_ENCODE_HINT_ID;
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if (metadata) {
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if (parse_video_encode_metadata((char *)metadata, &video_encode_metadata) ==
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-1) {
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ALOGE("Error occurred while parsing metadata.");
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return;
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}
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} else {
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return;
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}
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if (video_encode_metadata.state == 1) {
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if ((strncmp(governor, ONDEMAND_GOVERNOR, strlen(ONDEMAND_GOVERNOR)) == 0) &&
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(strlen(governor) == strlen(ONDEMAND_GOVERNOR))) {
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int resource_values[] = {IO_BUSY_OFF, SAMPLING_DOWN_FACTOR_1, THREAD_MIGRATION_SYNC_OFF};
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perform_hint_action(video_encode_metadata.hint_id,
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resource_values, sizeof(resource_values)/sizeof(resource_values[0]));
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} else 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_30, HISPEED_LOAD_90, HS_FREQ_1026, THREAD_MIGRATION_SYNC_OFF};
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perform_hint_action(video_encode_metadata.hint_id,
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resource_values, sizeof(resource_values)/sizeof(resource_values[0]));
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}
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} else if (video_encode_metadata.state == 0) {
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if ((strncmp(governor, ONDEMAND_GOVERNOR, strlen(ONDEMAND_GOVERNOR)) == 0) &&
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(strlen(governor) == strlen(ONDEMAND_GOVERNOR))) {
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undo_hint_action(video_encode_metadata.hint_id);
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} else 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(video_encode_metadata.hint_id);
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}
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}
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}
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int __attribute__ ((weak)) 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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return HINT_NONE;
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}
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static void power_hint(struct power_module *module, power_hint_t hint,
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void *data)
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{
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/* Check if this hint has been overridden. */
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if (power_hint_override(module, hint, data) == HINT_HANDLED) {
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/* The power_hint has been handled. We can skip the rest. */
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return;
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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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break;
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case POWER_HINT_VIDEO_ENCODE:
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process_video_encode_hint(data);
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break;
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case POWER_HINT_VIDEO_DECODE:
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process_video_decode_hint(data);
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break;
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}
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}
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int __attribute__ ((weak)) set_interactive_override(struct power_module *module, int on)
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{
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return HINT_NONE;
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}
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void set_interactive(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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if (set_interactive_override(module, on) == HINT_HANDLED) {
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return;
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}
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ALOGI("Got set_interactive hint");
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if (get_scaling_governor(governor, sizeof(governor)) == -1) {
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ALOGE("Can't obtain scaling governor.");
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return;
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}
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if (!on) {
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/* Display off. */
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if ((strncmp(governor, ONDEMAND_GOVERNOR, strlen(ONDEMAND_GOVERNOR)) == 0) &&
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(strlen(governor) == strlen(ONDEMAND_GOVERNOR))) {
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int resource_values[] = {DISPLAY_OFF, MS_500, 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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} else 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[] = {DISPLAY_OFF, TR_MS_500, 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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} else if ((strncmp(governor, MSMDCVS_GOVERNOR, strlen(MSMDCVS_GOVERNOR)) == 0) &&
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(strlen(governor) == strlen(MSMDCVS_GOVERNOR))) {
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if (saved_interactive_mode == 1){
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/* Display turned off. */
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if (sysfs_read(DCVS_CPU0_SLACK_MAX_NODE, tmp_str, NODE_MAX - 1)) {
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if (!slack_node_rw_failed) {
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ALOGE("Failed to read from %s", DCVS_CPU0_SLACK_MAX_NODE);
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}
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rc = 1;
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} else {
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saved_dcvs_cpu0_slack_max = atoi(tmp_str);
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}
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if (sysfs_read(DCVS_CPU0_SLACK_MIN_NODE, tmp_str, NODE_MAX - 1)) {
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if (!slack_node_rw_failed) {
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ALOGE("Failed to read from %s", DCVS_CPU0_SLACK_MIN_NODE);
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}
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rc = 1;
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} else {
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saved_dcvs_cpu0_slack_min = atoi(tmp_str);
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}
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if (sysfs_read(MPDECISION_SLACK_MAX_NODE, tmp_str, NODE_MAX - 1)) {
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if (!slack_node_rw_failed) {
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ALOGE("Failed to read from %s", MPDECISION_SLACK_MAX_NODE);
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}
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rc = 1;
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} else {
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saved_mpdecision_slack_max = atoi(tmp_str);
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}
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if (sysfs_read(MPDECISION_SLACK_MIN_NODE, tmp_str, NODE_MAX - 1)) {
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if(!slack_node_rw_failed) {
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ALOGE("Failed to read from %s", MPDECISION_SLACK_MIN_NODE);
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}
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rc = 1;
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} else {
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saved_mpdecision_slack_min = atoi(tmp_str);
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}
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/* Write new values. */
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if (saved_dcvs_cpu0_slack_max != -1) {
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snprintf(tmp_str, NODE_MAX, "%d", 10 * saved_dcvs_cpu0_slack_max);
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if (sysfs_write(DCVS_CPU0_SLACK_MAX_NODE, tmp_str) != 0) {
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if (!slack_node_rw_failed) {
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ALOGE("Failed to write to %s", DCVS_CPU0_SLACK_MAX_NODE);
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}
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rc = 1;
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}
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}
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if (saved_dcvs_cpu0_slack_min != -1) {
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snprintf(tmp_str, NODE_MAX, "%d", 10 * saved_dcvs_cpu0_slack_min);
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if (sysfs_write(DCVS_CPU0_SLACK_MIN_NODE, tmp_str) != 0) {
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if(!slack_node_rw_failed) {
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ALOGE("Failed to write to %s", DCVS_CPU0_SLACK_MIN_NODE);
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}
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rc = 1;
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}
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}
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if (saved_mpdecision_slack_max != -1) {
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snprintf(tmp_str, NODE_MAX, "%d", 10 * saved_mpdecision_slack_max);
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if (sysfs_write(MPDECISION_SLACK_MAX_NODE, tmp_str) != 0) {
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if(!slack_node_rw_failed) {
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ALOGE("Failed to write to %s", MPDECISION_SLACK_MAX_NODE);
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}
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rc = 1;
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}
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}
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if (saved_mpdecision_slack_min != -1) {
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snprintf(tmp_str, NODE_MAX, "%d", 10 * saved_mpdecision_slack_min);
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if (sysfs_write(MPDECISION_SLACK_MIN_NODE, tmp_str) != 0) {
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if(!slack_node_rw_failed) {
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ALOGE("Failed to write to %s", MPDECISION_SLACK_MIN_NODE);
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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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slack_node_rw_failed = rc;
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||
|
|
}
|
||
|
|
} 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;
|
||
|
|
}
|
||
|
|
|
||
|
|
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 = "QCOM Power HAL",
|
||
|
|
.author = "Qualcomm",
|
||
|
|
.methods = &power_module_methods,
|
||
|
|
},
|
||
|
|
|
||
|
|
.init = power_init,
|
||
|
|
.powerHint = power_hint,
|
||
|
|
.setInteractive = set_interactive,
|
||
|
|
};
|