/* * Copyright (c) 2015, 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 #include #include #include #include #include #include #define LOG_TAG "QTI PowerHAL" #include #include #include #include "utils.h" #include "metadata-defs.h" #include "hint-data.h" #include "performance.h" #include "power-common.h" #define MIN_FREQ_CPU0_DISP_OFF 400000 #define MIN_FREQ_CPU0_DISP_ON 960000 char scaling_min_freq[4][80] ={ "sys/devices/system/cpu/cpu0/cpufreq/scaling_min_freq", "sys/devices/system/cpu/cpu1/cpufreq/scaling_min_freq", "sys/devices/system/cpu/cpu2/cpufreq/scaling_min_freq", "sys/devices/system/cpu/cpu3/cpufreq/scaling_min_freq" }; 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 int is_target_8916() /* Returns value=8916 if target is 8916 else value 0 */ { int fd; int is_target_8916=0; 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_8916 = 0; } else { int soc_id = atoi(buf); if (soc_id == 206 || (soc_id >= 247 && soc_id <= 250)) { is_target_8916 = 8916; /* Above SOCID for 8916 */ } } } close(fd); return is_target_8916; } int power_hint_override(power_hint_t hint, void *data) { switch(hint) { case POWER_HINT_VSYNC: break; case POWER_HINT_INTERACTION: { int resources[] = {0x702, 0x20F, 0x30F}; int duration = 3000; interaction(duration, sizeof(resources)/sizeof(resources[0]), resources); } return HINT_HANDLED; case POWER_HINT_VIDEO_ENCODE: /* Do nothing for encode case */ return HINT_HANDLED; case POWER_HINT_VIDEO_DECODE: /*Do nothing for encode case */ return HINT_HANDLED; default: return HINT_HANDLED; } return HINT_NONE; } int set_interactive_override(int on) { char governor[80]; char tmp_str[NODE_MAX]; struct video_encode_metadata_t video_encode_metadata; int rc; 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. */ switch(is_target_8916()) { case 8916: { 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; } } /* Perf time rate set for 8916 target*/ } /* End of Switch case for 8916 */ break ; default: { if ((strncmp(governor, INTERACTIVE_GOVERNOR, strlen(INTERACTIVE_GOVERNOR)) == 0) && (strlen(governor) == strlen(INTERACTIVE_GOVERNOR))) { int resource_values[] = {TR_MS_CPU0_50,TR_MS_CPU4_50, THREAD_MIGRATION_SYNC_OFF}; /* Set CPU0 MIN FREQ to 400Mhz avoid extra peak power impact in volume key press */ snprintf(tmp_str, NODE_MAX, "%d", MIN_FREQ_CPU0_DISP_OFF); if (sysfs_write(scaling_min_freq[0], tmp_str) != 0) { if (sysfs_write(scaling_min_freq[1], tmp_str) != 0) { if (sysfs_write(scaling_min_freq[2], tmp_str) != 0) { if (sysfs_write(scaling_min_freq[3], tmp_str) != 0) { if(!slack_node_rw_failed) { ALOGE("Failed to write to %s",SCALING_MIN_FREQ ); } rc = 1; } } } } if (!display_hint_sent) { perform_hint_action(DISPLAY_STATE_HINT_ID, resource_values, sizeof(resource_values)/sizeof(resource_values[0])); display_hint_sent = 1; } } /* Perf time rate set for CORE0,CORE4 8939 target*/ }/* End of Switch case for 8939 */ break ; } } else { /* Display on. */ switch(is_target_8916()){ case 8916: { 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; } } break ; default : { if ((strncmp(governor, INTERACTIVE_GOVERNOR, strlen(INTERACTIVE_GOVERNOR)) == 0) && (strlen(governor) == strlen(INTERACTIVE_GOVERNOR))) { /* Recovering MIN_FREQ in display ON case */ snprintf(tmp_str, NODE_MAX, "%d", MIN_FREQ_CPU0_DISP_ON); if (sysfs_write(scaling_min_freq[0], tmp_str) != 0) { if (sysfs_write(scaling_min_freq[1], tmp_str) != 0) { if (sysfs_write(scaling_min_freq[2], tmp_str) != 0) { if (sysfs_write(scaling_min_freq[3], tmp_str) != 0) { if(!slack_node_rw_failed) { ALOGE("Failed to write to %s",SCALING_MIN_FREQ ); } rc = 1; } } } } undo_hint_action(DISPLAY_STATE_HINT_ID); display_hint_sent = 0; } } break ; } /* End of check condition during the DISPLAY ON case */ } saved_interactive_mode = !!on; return HINT_HANDLED; }