David Ng | ee7c4c5 | 2018-03-22 23:49:12 -0700 | [diff] [blame] | 1 | /* |
| 2 | * Copyright (c) 2014, 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 | static int display_hint_sent; |
| 51 | |
| 52 | static int process_video_encode_hint(void *metadata) |
| 53 | { |
| 54 | char governor[80]; |
| 55 | struct video_encode_metadata_t video_encode_metadata; |
| 56 | |
| 57 | if (get_scaling_governor(governor, sizeof(governor)) == -1) { |
| 58 | ALOGE("Can't obtain scaling governor."); |
| 59 | |
| 60 | return HINT_NONE; |
| 61 | } |
| 62 | |
| 63 | /* Initialize encode metadata struct fields */ |
| 64 | memset(&video_encode_metadata, 0, sizeof(struct video_encode_metadata_t)); |
| 65 | video_encode_metadata.state = -1; |
| 66 | video_encode_metadata.hint_id = DEFAULT_VIDEO_ENCODE_HINT_ID; |
| 67 | |
| 68 | if (metadata) { |
| 69 | if (parse_video_encode_metadata((char *)metadata, &video_encode_metadata) == |
| 70 | -1) { |
| 71 | ALOGE("Error occurred while parsing metadata."); |
| 72 | return HINT_NONE; |
| 73 | } |
| 74 | } else { |
| 75 | return HINT_NONE; |
| 76 | } |
| 77 | |
| 78 | if (video_encode_metadata.state == 1) { |
| 79 | if ((strncmp(governor, INTERACTIVE_GOVERNOR, strlen(INTERACTIVE_GOVERNOR)) == 0) && |
| 80 | (strlen(governor) == strlen(INTERACTIVE_GOVERNOR))) { |
| 81 | /* sched and cpufreq params |
| 82 | * hispeed freq - 768 MHz |
| 83 | * target load - 90 |
| 84 | * above_hispeed_delay - 40ms |
| 85 | * sched_small_tsk - 50 |
| 86 | */ |
| 87 | int resource_values[] = {0x2C07, 0x2F5A, 0x2704, 0x4032}; |
| 88 | |
| 89 | perform_hint_action(video_encode_metadata.hint_id, |
| 90 | resource_values, sizeof(resource_values)/sizeof(resource_values[0])); |
| 91 | return HINT_HANDLED; |
| 92 | } |
| 93 | } else if (video_encode_metadata.state == 0) { |
| 94 | if ((strncmp(governor, INTERACTIVE_GOVERNOR, strlen(INTERACTIVE_GOVERNOR)) == 0) && |
| 95 | (strlen(governor) == strlen(INTERACTIVE_GOVERNOR))) { |
| 96 | undo_hint_action(video_encode_metadata.hint_id); |
| 97 | return HINT_HANDLED; |
| 98 | } |
| 99 | } |
| 100 | return HINT_NONE; |
| 101 | } |
| 102 | |
| 103 | int power_hint_override(struct power_module *module, power_hint_t hint, void *data) |
| 104 | { |
| 105 | int ret_val = HINT_NONE; |
| 106 | switch(hint) { |
| 107 | case POWER_HINT_VIDEO_ENCODE: |
| 108 | ret_val = process_video_encode_hint(data); |
| 109 | break; |
| 110 | default: |
| 111 | break; |
| 112 | } |
| 113 | return ret_val; |
| 114 | } |
| 115 | |
| 116 | int set_interactive_override(struct power_module *module, int on) |
| 117 | { |
| 118 | return HINT_NONE; /* Don't excecute this code path, not in use */ |
| 119 | char governor[80]; |
| 120 | |
| 121 | if (get_scaling_governor(governor, sizeof(governor)) == -1) { |
| 122 | ALOGE("Can't obtain scaling governor."); |
| 123 | |
| 124 | return HINT_NONE; |
| 125 | } |
| 126 | |
| 127 | if (!on) { |
| 128 | /* Display off */ |
| 129 | if ((strncmp(governor, INTERACTIVE_GOVERNOR, strlen(INTERACTIVE_GOVERNOR)) == 0) && |
| 130 | (strlen(governor) == strlen(INTERACTIVE_GOVERNOR))) { |
| 131 | int resource_values[] = {}; /* dummy node */ |
| 132 | if (!display_hint_sent) { |
| 133 | perform_hint_action(DISPLAY_STATE_HINT_ID, |
| 134 | resource_values, sizeof(resource_values)/sizeof(resource_values[0])); |
| 135 | display_hint_sent = 1; |
| 136 | return HINT_HANDLED; |
| 137 | } |
| 138 | } |
| 139 | } else { |
| 140 | /* Display on */ |
| 141 | if ((strncmp(governor, INTERACTIVE_GOVERNOR, strlen(INTERACTIVE_GOVERNOR)) == 0) && |
| 142 | (strlen(governor) == strlen(INTERACTIVE_GOVERNOR))) { |
| 143 | undo_hint_action(DISPLAY_STATE_HINT_ID); |
| 144 | display_hint_sent = 0; |
| 145 | return HINT_HANDLED; |
| 146 | } |
| 147 | } |
| 148 | return HINT_NONE; |
| 149 | } |