| /* |
| * Copyright (c) 2017, 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 <dlfcn.h> |
| #include <errno.h> |
| #include <fcntl.h> |
| #include <stdlib.h> |
| #include <string.h> |
| #include <sys/stat.h> |
| #include <sys/types.h> |
| #include <unistd.h> |
| |
| #define LOG_TAG "QTI PowerHAL" |
| #include <hardware/hardware.h> |
| #include <hardware/power.h> |
| #include <log/log.h> |
| |
| #include "hint-data.h" |
| #include "metadata-defs.h" |
| #include "performance.h" |
| #include "power-common.h" |
| #include "utils.h" |
| |
| #define MIN_VAL(X, Y) ((X > Y) ? (Y) : (X)) |
| |
| static int display_hint_sent; |
| static int video_encode_hint_sent; |
| |
| static void process_video_encode_hint(void* metadata); |
| |
| /* Returns true is target is SDM630/SDM455 else false*/ |
| static bool is_target_SDM630() { |
| int fd; |
| bool is_target_SDM630 = false; |
| 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"); |
| is_target_SDM630 = false; |
| } else { |
| int soc_id = atoi(buf); |
| if (soc_id == 318 || soc_id == 327 || soc_id == 385) { |
| is_target_SDM630 = true; /* Above SOCID for SDM630/SDM455 */ |
| } |
| } |
| } |
| close(fd); |
| return is_target_SDM630; |
| } |
| |
| int power_hint_override(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; |
| } |
| default: |
| break; |
| } |
| return HINT_NONE; |
| } |
| |
| int set_interactive_override(int on) { |
| char governor[80]; |
| int resource_values[20]; |
| int num_resources; |
| |
| 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))) { |
| /* |
| 1. CPUfreq params |
| - hispeed freq for big - 1113Mhz |
| - go hispeed load for big - 95 |
| - above_hispeed_delay for big - 40ms |
| 2. BusDCVS V2 params |
| - Sample_ms of 10ms |
| */ |
| if (is_target_SDM630()) { |
| int res[] = {0x41414000, 0x459, 0x41410000, 0x5F, 0x41400000, 0x4, 0x41820000, 0xA}; |
| memcpy(resource_values, res, MIN_VAL(sizeof(resource_values), sizeof(res))); |
| num_resources = sizeof(res) / sizeof(res[0]); |
| } |
| /* |
| 1. CPUfreq params |
| - hispeed freq for little - 902Mhz |
| - go hispeed load for little - 95 |
| - above_hispeed_delay for little - 40ms |
| 2. BusDCVS V2 params |
| - Sample_ms of 10ms |
| 3. Sched group upmigrate - 500 |
| */ |
| else { |
| int res[] = {0x41414100, 0x386, 0x41410100, 0x5F, 0x41400100, |
| 0x4, 0x41820000, 0xA, 0x40C54000, 0x1F4}; |
| memcpy(resource_values, res, MIN_VAL(sizeof(resource_values), sizeof(res))); |
| num_resources = sizeof(res) / sizeof(res[0]); |
| } |
| if (!display_hint_sent) { |
| perform_hint_action(DISPLAY_STATE_HINT_ID, resource_values, num_resources); |
| display_hint_sent = 1; |
| } |
| } |
| |
| } 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; |
| } |
| } |
| return HINT_HANDLED; |
| } |
| |
| /* Video Encode Hint */ |
| static void process_video_encode_hint(void* metadata) { |
| char governor[80]; |
| int resource_values[20]; |
| int num_resources; |
| 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 HINT_HANDLED; |
| } |
| } |
| } |
| } |
| |
| /* 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))) { |
| /* |
| 1. CPUfreq params |
| - hispeed freq for big - 1113Mhz |
| - go hispeed load for big - 95 |
| - above_hispeed_delay for big - 40ms |
| - target loads - 95 |
| - nr_run - 5 |
| 2. BusDCVS V2 params |
| - Sample_ms of 10ms |
| */ |
| if (is_target_SDM630()) { |
| int res[] = {0x41414000, 0x459, 0x41410000, 0x5F, 0x41400000, 0x4, |
| 0x41420000, 0x5F, 0x40C2C000, 0X5, 0x41820000, 0xA}; |
| memcpy(resource_values, res, MIN_VAL(sizeof(resource_values), sizeof(res))); |
| num_resources = sizeof(res) / sizeof(res[0]); |
| |
| } |
| /* |
| 1. CPUfreq params |
| - hispeed freq for little - 902Mhz |
| - go hispeed load for little - 95 |
| - above_hispeed_delay for little - 40ms |
| 2. BusDCVS V2 params |
| - Sample_ms of 10ms |
| */ |
| else { |
| int res[] = {0x41414100, 0x386, 0x41410100, 0x5F, 0x41400100, 0x4, 0x41820000, 0xA}; |
| memcpy(resource_values, res, MIN_VAL(sizeof(resource_values), sizeof(res))); |
| num_resources = sizeof(res) / sizeof(res[0]); |
| } |
| if (!video_encode_hint_sent) { |
| perform_hint_action(video_encode_metadata.hint_id, resource_values, num_resources); |
| 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; |
| } |