| /* |
| * Copyright (c) 2012-2013, 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 "QCOM 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 struct hw_module_methods_t power_module_methods = { |
| .open = NULL, |
| }; |
| |
| static void power_init(struct power_module *module) |
| { |
| ALOGI("QCOM 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_INTERACTION: |
| { |
| int resources[] = {0x20C}; |
| 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; |
| |
| 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; |
| } |
| |
| 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, |
| }; |
