/*
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* Copyright (C) 2018 The Allwinnertech
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*
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*
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* Author:jiangbin@allwinnertech.com
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* Time:2090715
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*
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* description:
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* Target TARGET_BOARD_PLATFORM: default(frome A50)
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* power_hint-policy
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*/
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#include <string.h>
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#include <stdio.h>
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#include <errno.h>
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#define LOG_TAG "AW_PowerHAL_Platform"
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#include <hardware/hardware.h>
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#include <hardware/power.h>
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#include <utils/Log.h>
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#include <fcntl.h>
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#include <unistd.h>
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#include <sys/ioctl.h>
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#include "../power-common.h"
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#ifndef CPUMAXCORENUM
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#define CPUMAXCORENUM "4"
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#endif
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#ifndef CPUMAXFREQ
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#define CPUMAXFREQ "1800000"
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#endif
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#ifndef CPUMINFREQ
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#define CPUMINFREQ "480000"
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#endif
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#ifndef CPULOWPOWERFREQ
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#define CPULOWPOWERFREQ "1200000"
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#endif
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#ifndef CPUNORMALFREQ
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#define CPUNORMALFREQ cpu0_max_freq
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#endif
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#ifndef CPU0OPP
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#define CPU0OPP "/sys/devices/system/cpu/cpufreq/policy0/scaling_available_frequencies"
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#endif
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#ifdef NSI_BANDWIDTH_LIMIT
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#define NSIBANDWIDTH "/dev/nsi"
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#define DISABLE_BANDWIDTH_LIMIT 0x102
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#define ENABLE_BANDWIDTH_LIMIT 0x101
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#endif
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void power_set_interactive_platform(int enable)
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{
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(void)enable;
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}
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/*
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*return: false -check fail
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* true -check success
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*/
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static bool check_policy_platform(unsigned int hint, int parmdata)
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{
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(void)hint;
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(void)parmdata;
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return true;
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}
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static char cpu0_max_freq[16] = {0};
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#ifdef NSI_BANDWIDTH_LIMIT
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static bool nsi_bandwidth_limit = true;
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static void set_nsi_bandwidth_limit(bool enable) {
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int fd = open(NSIBANDWIDTH, O_WRONLY);
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if (fd < 0) {
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ALOGW("Could not open nsi-bw: %s", strerror(errno));
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return;
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}
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if(ioctl(fd,enable? ENABLE_BANDWIDTH_LIMIT:DISABLE_BANDWIDTH_LIMIT,1)) {
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ALOGE("ioctl %s limit %d eroor %s",NSIBANDWIDTH,enable, strerror(errno));
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} else {
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nsi_bandwidth_limit = enable;
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}
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close(fd);
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}
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#endif
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bool power_hint_platform(unsigned int hint, int parmdata)
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{
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Power_Perfromance_State current_state = get_cur_power_state();
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if (!check_policy_platform(hint, parmdata)) {
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ALOGI("==default check policy fail,do nothing==");
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return false;
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}
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if (!cpu0_max_freq[0])
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cpufreq_max_get(CPU0OPP, cpu0_max_freq);
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bool hitcase = true;
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switch (hint) {
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case POWER_HINT_LAUNCH:
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ALOGI("==LAUNCH_MODE==");
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sysfs_write(CPU0GOV,PERFORMANCE_GOVERNOR);
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set_power_state(POWER_STATE_LAUNCH);
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//sysfs_write(ROOMAGE,ROOMAGE_LAUNCH);
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//sysfs_write(CPULOCK,CPUMAXCORENUM);
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//sysfs_write(CPUMINFREQCONTROL, cpu0_max_freq);
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//sysfs_write(CPUMAXFREQCONTROL, cpu0_max_freq);
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break;
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case POWER_HINT_HOME:
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ALOGI("==HOME MODE==");
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sysfs_write(THERMAL_EMUL_TEMP,THERMAL_OPEN_EMUL_TEMP);
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sysfs_write(CPU0GOV,SCHEDUTIL_GOVERNOR);
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//sysfs_write(CPULOCK,"0");
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sysfs_write(CPUMAXFREQCONTROL,CPULOWPOWERFREQ);
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set_power_state(POWER_STATE_HOME);
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break;
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case POWER_HINT_BOOTCOMPLETE:
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ALOGI("==BOOTCOMPLETE MODE==");
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sysfs_write(CPU0GOV,SCHEDUTIL_GOVERNOR);
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//sysfs_write(CPUHOT,"1"); //tmp reserve;do not use hotplug, replace cpuidle
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break;
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case POWER_HINT_BENCHMARK:
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if (current_state == POWER_STATE_BENCHMARK) {
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ALOGD("HINT_BENCHMARK:same state");
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return hitcase;
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}
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if (parmdata == 0) {
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ALOGE("HINT_BENCHMARK:data==NULL");
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return hitcase;
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} else {
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ALOGD("HINT_BENCHMARK:data =%d",parmdata);
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}
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sysfs_write(THERMAL_EMUL_TEMP,THERMAL_CLOSE_EMUL_TEMP);
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//sysfs_write(ROOMAGE,ROOMAGE_BENCHMARK);
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//sysfs_write(CPULOCK,CPUMAXCORENUM);
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//sysfs_write(CPUMINFREQCONTROL, cpu0_max_freq);
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//sysfs_write(CPUMAXFREQCONTROL, cpu0_max_freq);
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sysfs_write(CPU0GOV,PERFORMANCE_GOVERNOR);
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set_power_state(POWER_STATE_BENCHMARK);
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ALOGI("==BENCHMARK MODE==");
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#ifdef NSI_BANDWIDTH_LIMIT
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set_nsi_bandwidth_limit(0);
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#endif
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break;
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case POWER_HINT_NORMAL:
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ALOGI("==NORMAL MODE==");
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sysfs_write(CPU0GOV,SCHEDUTIL_GOVERNOR);
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sysfs_write(THERMAL_EMUL_TEMP,THERMAL_OPEN_EMUL_TEMP);
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//sysfs_write(ROOMAGE,ROOMAGE_NORMAL);
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//sysfs_write(CPULOCK,"0");
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#ifdef NSI_BANDWIDTH_LIMIT
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if(!nsi_bandwidth_limit) {
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set_nsi_bandwidth_limit(1);
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}
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#endif
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sysfs_write(CPUMINFREQCONTROL,CPUMINFREQ);
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sysfs_write(CPUMAXFREQCONTROL,CPUNORMALFREQ);
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set_power_state(POWER_STATE_NORMAL);
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break;
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case POWER_HINT_BG_MUSIC:
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ALOGI("==BG_MUSIC MODE==");
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sysfs_write(THERMAL_EMUL_TEMP,THERMAL_OPEN_EMUL_TEMP);
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//sysfs_write(ROOMAGE, ROOMAGE_MUSIC);
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//sysfs_write(CPULOCK,"0");
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sysfs_write(CPUMAXFREQCONTROL,CPULOWPOWERFREQ);
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set_power_state(POWER_STATE_MUSIC);
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break;
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case POWER_HINT_DISABLE_TOUCH:
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ALOGI("==DISABLE TOUCH==");
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char tp_state[2]= {0};
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sprintf(tp_state,"%d", parmdata);
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sysfs_write(TP_SUSPEND, tp_state);
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break;
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default:
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hitcase = false;
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break;
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}
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return hitcase;
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}
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