1 /* 2 * Copyright (c) 2013, 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 NODE_MAX (64) 30 31 #define SCALING_GOVERNOR_PATH "/sys/devices/system/cpu/cpu0/cpufreq/scaling_governor" 32 #define DCVS_CPU0_SLACK_MAX_NODE "/sys/module/msm_dcvs/cores/cpu0/slack_time_max_us" 33 #define DCVS_CPU0_SLACK_MIN_NODE "/sys/module/msm_dcvs/cores/cpu0/slack_time_min_us" 34 #define MPDECISION_SLACK_MAX_NODE "/sys/module/msm_mpdecision/slack_time_max_us" 35 #define MPDECISION_SLACK_MIN_NODE "/sys/module/msm_mpdecision/slack_time_min_us" 36 #define SCALING_MIN_FREQ "/sys/devices/system/cpu/cpu0/cpufreq/scaling_min_freq" 37 #define ONDEMAND_GOVERNOR "ondemand" 38 #define INTERACTIVE_GOVERNOR "interactive" 39 #define MSMDCVS_GOVERNOR "msm-dcvs" 40 41 #define HINT_HANDLED (0) 42 #define HINT_NONE (-1) 43 44 enum CPU_GOV_CHECK { 45 CPU0 = 0, 46 CPU1 = 1, 47 CPU2 = 2, 48 CPU3 = 3 49 }; 50