David Ng | ee7c4c5 | 2018-03-22 23:49:12 -0700 | [diff] [blame] | 1 | /* |
| 2 | * Copyright (c) 2015-2016, The Linux Foundation. All rights reserved. |
| 3 | * |
| 4 | * Redistribution and use in source and binary forms, with or without |
| 5 | * modification, are permitted provided that the following conditions are |
| 6 | * met: |
| 7 | * * * Redistributions of source code must retain the above copyright |
| 8 | * notice, this list of conditions and the following disclaimer. |
| 9 | * * Redistributions in binary form must reproduce the above |
| 10 | * copyright notice, this list of conditions and the following |
| 11 | * disclaimer in the documentation and/or other materials provided |
| 12 | * with the distribution. |
| 13 | * * Neither the name of The Linux Foundation nor the names of its |
| 14 | * contributors may be used to endorse or promote products derived |
| 15 | * from this software without specific prior written permission. |
| 16 | * |
| 17 | * THIS SOFTWARE IS PROVIDED "AS IS" AND ANY EXPRESS OR IMPLIED |
| 18 | * WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF |
| 19 | * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT |
| 20 | * ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS |
| 21 | * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR |
| 22 | * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF |
| 23 | * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR |
| 24 | * BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, |
| 25 | * WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE |
| 26 | * OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN |
| 27 | * IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. |
| 28 | */ |
| 29 | #define LOG_NIDEBUG 0 |
| 30 | |
| 31 | #include <errno.h> |
| 32 | #include <string.h> |
| 33 | #include <sys/types.h> |
| 34 | #include <sys/stat.h> |
| 35 | #include <fcntl.h> |
| 36 | #include <dlfcn.h> |
| 37 | #include <stdlib.h> |
| 38 | |
| 39 | #define LOG_TAG "QTI PowerHAL" |
| 40 | #include <utils/Log.h> |
| 41 | #include <hardware/hardware.h> |
| 42 | #include <hardware/power.h> |
| 43 | |
| 44 | #include "utils.h" |
| 45 | #include "metadata-defs.h" |
| 46 | #include "hint-data.h" |
| 47 | #include "performance.h" |
| 48 | #include "power-common.h" |
| 49 | |
| 50 | pthread_mutex_t camera_hint_mutex = PTHREAD_MUTEX_INITIALIZER; |
| 51 | static int display_hint_sent; |
| 52 | static int camera_hint_ref_count; |
| 53 | |
| 54 | static int process_video_encode_hint(void *metadata) |
| 55 | { |
| 56 | char governor[80]; |
| 57 | struct video_encode_metadata_t video_encode_metadata; |
| 58 | |
| 59 | if (get_scaling_governor(governor, sizeof(governor)) == -1) { |
| 60 | ALOGE("Can't obtain scaling governor."); |
| 61 | |
| 62 | return HINT_NONE; |
| 63 | } |
| 64 | |
| 65 | /* Initialize encode metadata struct fields */ |
| 66 | memset(&video_encode_metadata, 0, sizeof(struct video_encode_metadata_t)); |
| 67 | video_encode_metadata.state = -1; |
| 68 | video_encode_metadata.hint_id = DEFAULT_VIDEO_ENCODE_HINT_ID; |
| 69 | |
| 70 | if (metadata) { |
| 71 | if (parse_video_encode_metadata((char *)metadata, &video_encode_metadata) == |
| 72 | -1) { |
| 73 | ALOGE("Error occurred while parsing metadata."); |
| 74 | return HINT_NONE; |
| 75 | } |
| 76 | } else { |
| 77 | return HINT_NONE; |
| 78 | } |
| 79 | |
| 80 | if (video_encode_metadata.state == 1) { |
| 81 | if ((strncmp(governor, INTERACTIVE_GOVERNOR, strlen(INTERACTIVE_GOVERNOR)) == 0) && |
| 82 | (strlen(governor) == strlen(INTERACTIVE_GOVERNOR))) { |
| 83 | /* 1. cpufreq params |
| 84 | * -above_hispeed_delay for LVT - 40ms |
| 85 | * -go hispeed load for LVT - 95 |
| 86 | * -hispeed freq for LVT - 556 MHz |
| 87 | * -target load for LVT - 90 |
| 88 | * -above hispeed delay for sLVT - 40ms |
| 89 | * -go hispeed load for sLVT - 95 |
| 90 | * -hispeed freq for sLVT - 806 MHz |
| 91 | * -target load for sLVT - 90 |
| 92 | * 2. bus DCVS set to V2 config: |
| 93 | * -low power ceil mpbs - 2500 |
| 94 | * -low power io percent - 50 |
| 95 | * 3. hysteresis optimization |
| 96 | * -bus dcvs hysteresis tuning |
| 97 | * -sample_ms of 10 ms |
| 98 | * -sLVT hispeed freq to 806MHz |
| 99 | */ |
| 100 | int resource_values[] = {0x41400000, 0x4, 0x41410000, 0x5F, 0x41414000, 0x326, |
| 101 | 0x41420000, 0x5A, 0x41400100, 0x4, 0x41410100, 0x5F, 0x41414100, 0x22C, 0x41420100, 0x5A, |
| 102 | 0x41810000, 0x9C4, 0x41814000, 0x32, 0x4180C000, 0x0, 0x41820000, 0xA}; |
| 103 | |
| 104 | pthread_mutex_lock(&camera_hint_mutex); |
| 105 | camera_hint_ref_count++; |
| 106 | if (camera_hint_ref_count == 1) { |
| 107 | perform_hint_action(video_encode_metadata.hint_id, |
| 108 | resource_values, sizeof(resource_values)/sizeof(resource_values[0])); |
| 109 | } |
| 110 | pthread_mutex_unlock(&camera_hint_mutex); |
| 111 | ALOGI("Video Encode hint start"); |
| 112 | return HINT_HANDLED; |
| 113 | } |
| 114 | } else if (video_encode_metadata.state == 0) { |
| 115 | if ((strncmp(governor, INTERACTIVE_GOVERNOR, strlen(INTERACTIVE_GOVERNOR)) == 0) && |
| 116 | (strlen(governor) == strlen(INTERACTIVE_GOVERNOR))) { |
| 117 | pthread_mutex_lock(&camera_hint_mutex); |
| 118 | camera_hint_ref_count--; |
| 119 | if (!camera_hint_ref_count) { |
| 120 | undo_hint_action(video_encode_metadata.hint_id); |
| 121 | } |
| 122 | pthread_mutex_unlock(&camera_hint_mutex); |
| 123 | |
| 124 | ALOGI("Video Encode hint stop"); |
| 125 | return HINT_HANDLED; |
| 126 | } |
| 127 | } |
| 128 | return HINT_NONE; |
| 129 | } |
| 130 | |
| 131 | int power_hint_override(struct power_module *module, power_hint_t hint, void *data) |
| 132 | { |
| 133 | int ret_val = HINT_NONE; |
| 134 | switch(hint) { |
| 135 | case POWER_HINT_VIDEO_ENCODE: |
| 136 | ret_val = process_video_encode_hint(data); |
| 137 | break; |
| 138 | default: |
| 139 | break; |
| 140 | } |
| 141 | return ret_val; |
| 142 | } |
| 143 | |
| 144 | int set_interactive_override(struct power_module *module, int on) |
| 145 | { |
| 146 | return HINT_HANDLED; /* Don't excecute this code path, not in use */ |
| 147 | char governor[80]; |
| 148 | |
| 149 | if (get_scaling_governor(governor, sizeof(governor)) == -1) { |
| 150 | ALOGE("Can't obtain scaling governor."); |
| 151 | |
| 152 | return HINT_NONE; |
| 153 | } |
| 154 | |
| 155 | if (!on) { |
| 156 | /* Display off */ |
| 157 | if ((strncmp(governor, INTERACTIVE_GOVERNOR, strlen(INTERACTIVE_GOVERNOR)) == 0) && |
| 158 | (strlen(governor) == strlen(INTERACTIVE_GOVERNOR))) { |
| 159 | int resource_values[] = {}; /* dummy node */ |
| 160 | if (!display_hint_sent) { |
| 161 | perform_hint_action(DISPLAY_STATE_HINT_ID, |
| 162 | resource_values, sizeof(resource_values)/sizeof(resource_values[0])); |
| 163 | display_hint_sent = 1; |
| 164 | ALOGI("Display Off hint start"); |
| 165 | return HINT_HANDLED; |
| 166 | } |
| 167 | } |
| 168 | } else { |
| 169 | /* Display on */ |
| 170 | if ((strncmp(governor, INTERACTIVE_GOVERNOR, strlen(INTERACTIVE_GOVERNOR)) == 0) && |
| 171 | (strlen(governor) == strlen(INTERACTIVE_GOVERNOR))) { |
| 172 | undo_hint_action(DISPLAY_STATE_HINT_ID); |
| 173 | display_hint_sent = 0; |
| 174 | ALOGI("Display Off hint stop"); |
| 175 | return HINT_HANDLED; |
| 176 | } |
| 177 | } |
| 178 | return HINT_NONE; |
| 179 | } |