diff options
Diffstat (limited to 'power/power.c')
| -rw-r--r-- | power/power.c | 518 |
1 files changed, 0 insertions, 518 deletions
diff --git a/power/power.c b/power/power.c deleted file mode 100644 index 3ad2f66..0000000 --- a/power/power.c +++ /dev/null @@ -1,518 +0,0 @@ -/* - * Copyright (c) 2012-2013, The Linux Foundation. All rights reserved. - * Copyright (c) 2014, The CyanogenMod Project - * - * 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 "QCOM PowerHAL" -#include <utils/Log.h> -#include <hardware/hardware.h> -#include <hardware/power.h> -#include <pthread.h> - -#include "utils.h" -#include "metadata-defs.h" -#include "hint-data.h" -#include "performance.h" -#include "power-common.h" -#include "power-feature.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 slack_node_rw_failed = 0; -static int display_hint_sent; - -static pthread_mutex_t hint_mutex = PTHREAD_MUTEX_INITIALIZER; - -static void power_init(__attribute__((unused))struct power_module *module) -{ - ALOGI("QCOM power HAL initing."); -} - -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, ARRAY_SIZE(resource_values)); - } 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, ARRAY_SIZE(resource_values)); - } - } else if (video_decode_metadata.state == 0) { - if ((strncmp(governor, ONDEMAND_GOVERNOR, strlen(ONDEMAND_GOVERNOR)) == 0) && - (strlen(governor) == strlen(ONDEMAND_GOVERNOR))) { - undo_hint_action(video_decode_metadata.hint_id); - } 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, ARRAY_SIZE(resource_values)); - } 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, ARRAY_SIZE(resource_values)); - } - } 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( - __attribute__((unused)) struct power_module *module, - __attribute__((unused)) power_hint_t hint, - __attribute__((unused)) void *data) -{ - return HINT_NONE; -} - -extern void interaction(int duration, int num_args, int opt_list[]); - -static void power_hint(__attribute__((unused)) struct power_module *module, power_hint_t hint, - void *data) -{ - pthread_mutex_lock(&hint_mutex); - - /* 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. */ - goto out; - } - - switch(hint) { - case POWER_HINT_VSYNC: - case POWER_HINT_INTERACTION: - case POWER_HINT_CPU_BOOST: - case POWER_HINT_SET_PROFILE: - case POWER_HINT_LOW_POWER: - break; - case POWER_HINT_VIDEO_ENCODE: - process_video_encode_hint(data); - break; - case POWER_HINT_VIDEO_DECODE: - process_video_decode_hint(data); - break; - default: - break; - } - -out: - pthread_mutex_unlock(&hint_mutex); -} - -int __attribute__ ((weak)) set_interactive_override( - __attribute__((unused)) struct power_module *module, - __attribute__((unused)) int on) -{ - return HINT_NONE; -} - -int __attribute__ ((weak)) get_number_of_profiles() -{ - return 0; -} - -#ifdef SET_INTERACTIVE_EXT -extern void cm_power_set_interactive_ext(int on); -#endif - -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; - - pthread_mutex_lock(&hint_mutex); - - /** - * Ignore consecutive display-off hints - * Consecutive display-on hints are already handled - */ - if (display_hint_sent && !on) - goto out; - - display_hint_sent = !on; - -#ifdef SET_INTERACTIVE_EXT - cm_power_set_interactive_ext(on); -#endif - - if (set_interactive_override(module, on) == HINT_HANDLED) { - goto out; - } - - ALOGI("Got set_interactive hint"); - - if (get_scaling_governor(governor, sizeof(governor)) == -1) { - ALOGE("Can't obtain scaling governor."); - goto out; - } - - if (!on) { - /* Display off. */ - if ((strncmp(governor, ONDEMAND_GOVERNOR, strlen(ONDEMAND_GOVERNOR)) == 0) && - (strlen(governor) == strlen(ONDEMAND_GOVERNOR))) { - int resource_values[] = { MS_500, THREAD_MIGRATION_SYNC_OFF }; - - perform_hint_action(DISPLAY_STATE_HINT_ID, - resource_values, ARRAY_SIZE(resource_values)); - } 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}; - - perform_hint_action(DISPLAY_STATE_HINT_ID, - resource_values, ARRAY_SIZE(resource_values)); - } else if ((strncmp(governor, MSMDCVS_GOVERNOR, strlen(MSMDCVS_GOVERNOR)) == 0) && - (strlen(governor) == strlen(MSMDCVS_GOVERNOR))) { - /* 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); - } else if ((strncmp(governor, INTERACTIVE_GOVERNOR, strlen(INTERACTIVE_GOVERNOR)) == 0) && - (strlen(governor) == strlen(INTERACTIVE_GOVERNOR))) { - undo_hint_action(DISPLAY_STATE_HINT_ID); - } else if ((strncmp(governor, MSMDCVS_GOVERNOR, strlen(MSMDCVS_GOVERNOR)) == 0) && - (strlen(governor) == strlen(MSMDCVS_GOVERNOR))) { - /* 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; - } - } - -out: - pthread_mutex_unlock(&hint_mutex); -} - -void set_feature(struct power_module *module, feature_t feature, int state) -{ -#ifdef TAP_TO_WAKE_NODE - char tmp_str[NODE_MAX]; - if (feature == POWER_FEATURE_DOUBLE_TAP_TO_WAKE) { - snprintf(tmp_str, NODE_MAX, "%d", state); - sysfs_write(TAP_TO_WAKE_NODE, tmp_str); - return; - } -#endif - set_device_specific_feature(module, feature, state); -} - -int get_feature(struct power_module *module __unused, feature_t feature) -{ - if (feature == POWER_FEATURE_SUPPORTED_PROFILES) { - return get_number_of_profiles(); - } - return -1; -} - -static int power_open(const hw_module_t* module, const char* name, - hw_device_t** device) -{ - ALOGD("%s: enter; name=%s", __FUNCTION__, name); - int retval = 0; /* 0 is ok; -1 is error */ - - if (strcmp(name, POWER_HARDWARE_MODULE_ID) == 0) { - power_module_t *dev = (power_module_t *)calloc(1, - sizeof(power_module_t)); - - if (dev) { - /* Common hw_device_t fields */ - dev->common.tag = HARDWARE_DEVICE_TAG; - dev->common.module_api_version = POWER_MODULE_API_VERSION_0_3; - dev->common.hal_api_version = HARDWARE_HAL_API_VERSION; - - dev->init = power_init; - dev->powerHint = power_hint; - dev->setInteractive = set_interactive; - dev->setFeature = set_feature; - dev->getFeature = get_feature; - dev->get_number_of_platform_modes = NULL; - dev->get_platform_low_power_stats = NULL; - dev->get_voter_list = NULL; - - *device = (hw_device_t*)dev; - } else - retval = -ENOMEM; - } else { - retval = -EINVAL; - } - - ALOGD("%s: exit %d", __FUNCTION__, retval); - return retval; -} - -static struct hw_module_methods_t power_module_methods = { - .open = power_open, -}; - -struct power_module HAL_MODULE_INFO_SYM = { - .common = { - .tag = HARDWARE_MODULE_TAG, - .module_api_version = POWER_MODULE_API_VERSION_0_3, - .hal_api_version = HARDWARE_HAL_API_VERSION, - .id = POWER_HARDWARE_MODULE_ID, - .name = "QCOM Power HAL", - .author = "Qualcomm/CyanogenMod", - .methods = &power_module_methods, - }, - - .init = power_init, - .powerHint = power_hint, - .setInteractive = set_interactive, - .setFeature = set_feature, - .getFeature = get_feature -}; |