diff options
Diffstat (limited to 'power/power.h')
| -rw-r--r-- | power/power.h | 225 |
1 files changed, 225 insertions, 0 deletions
diff --git a/power/power.h b/power/power.h new file mode 100644 index 0000000..08ceb51 --- /dev/null +++ b/power/power.h @@ -0,0 +1,225 @@ +/* + * Copyright (C) 2016 The CyanogenMod Project <http://www.cyanogenmod.org> + * + * Licensed under the Apache License, Version 2.0 (the "License"); + * you may not use this file except in compliance with the License. + * You may obtain a copy of the License at + * + * http://www.apache.org/licenses/LICENSE-2.0 + * + * Unless required by applicable law or agreed to in writing, software + * distributed under the License is distributed on an "AS IS" BASIS, + * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. + * See the License for the specific language governing permissions and + * limitations under the License. + */ + +#define MS_TO_NS (1000000L) + +enum { + PROFILE_POWER_SAVE = 0, + PROFILE_BALANCED, + PROFILE_PERFORMANCE, + PROFILE_MAX +}; + +typedef struct governor_settings { + // freq values for core up/down + int hotplug_freq_1_1; + int hotplug_freq_2_0; + int hotplug_freq_2_1; + int hotplug_freq_3_0; + int hotplug_freq_3_1; + int hotplug_freq_4_0; + // rq sizes for up/down + int hotplug_rq_1_1; + int hotplug_rq_2_0; + int hotplug_rq_2_1; + int hotplug_rq_3_0; + int hotplug_rq_3_1; + int hotplug_rq_4_0; + // max/min freqs (-1 for default) + int max_freq; + int min_freq; + // load at which to start scaling up + int up_threshold; + // higher down_differential == slower downscaling + int down_differential; + // min/max num of cpus to have online + int min_cpu_lock; + int max_cpu_lock; + // wait sampling_rate * cpu_down_rate us before trying to downscale + int cpu_down_rate; + int sampling_rate; // in microseconds + int io_is_busy; + // boosting + int boost_freq; + int boost_mincpus; + long interaction_boost_time; +} power_profile; + +static power_profile profiles[PROFILE_MAX] = { + [PROFILE_POWER_SAVE] = { + .hotplug_freq_1_1 = 800000, + .hotplug_freq_2_0 = 700000, + .hotplug_freq_2_1 = 1000000, + .hotplug_freq_3_0 = 900000, + .hotplug_freq_3_1 = 1200000, + .hotplug_freq_4_0 = 1100000, + .hotplug_rq_1_1 = 200, + .hotplug_rq_2_0 = 200, + .hotplug_rq_2_1 = 300, + .hotplug_rq_3_0 = 300, + .hotplug_rq_3_1 = 400, + .hotplug_rq_4_0 = 400, + .max_freq = 1000000, + .min_freq = -1, + .up_threshold = 95, + .down_differential = 2, + .min_cpu_lock = 0, + .max_cpu_lock = 3, + .cpu_down_rate = 5, + .sampling_rate = 200000, + .io_is_busy = 0, + // nb: boosting power hints are ignored for PROFILE_POWER_SAVE + .boost_freq = 0, + .boost_mincpus = 0, + .interaction_boost_time = 0, + }, + [PROFILE_BALANCED] = { + .hotplug_freq_1_1 = 500000, + .hotplug_freq_2_0 = 500000, + .hotplug_freq_2_1 = 700000, + .hotplug_freq_3_0 = 700000, + .hotplug_freq_3_1 = 900000, + .hotplug_freq_4_0 = 900000, + .hotplug_rq_1_1 = 150, + .hotplug_rq_2_0 = 150, + .hotplug_rq_2_1 = 250, + .hotplug_rq_3_0 = 250, + .hotplug_rq_3_1 = 350, + .hotplug_rq_4_0 = 350, + .max_freq = -1, + .min_freq = -1, + .up_threshold = 90, + .down_differential = 3, + .min_cpu_lock = 0, + .max_cpu_lock = 0, + .cpu_down_rate = 10, + .sampling_rate = 200000, + .io_is_busy = 0, + .boost_freq = 700000, + .boost_mincpus = 0, + .interaction_boost_time = 60 * (MS_TO_NS), + }, + [PROFILE_PERFORMANCE] = { + .hotplug_freq_1_1 = 500000, + .hotplug_freq_2_0 = 200000, + .hotplug_freq_2_1 = 500000, + .hotplug_freq_3_0 = 200000, + .hotplug_freq_3_1 = 700000, + .hotplug_freq_4_0 = 200000, + .hotplug_rq_1_1 = 150, + .hotplug_rq_2_0 = 100, + .hotplug_rq_2_1 = 200, + .hotplug_rq_3_0 = 150, + .hotplug_rq_3_1 = 250, + .hotplug_rq_4_0 = 200, + .min_freq = -1, + .max_freq = -1, + .up_threshold = 80, + .down_differential = 5, + .min_cpu_lock = 0, + .max_cpu_lock = 0, + .cpu_down_rate = 20, + .sampling_rate = 200000, + .io_is_busy = 1, + .boost_freq = 900000, + .boost_mincpus = 2, + .interaction_boost_time = 90 * (MS_TO_NS), + }, +}; + +// for non-interactive profiles we don't need to worry about +// boosting as it (should) only occur while the screen is on +static power_profile profiles_low_power[PROFILE_MAX] = { + [PROFILE_POWER_SAVE] = { + .hotplug_freq_1_1 = 800000, + .hotplug_freq_2_0 = 800000, + .hotplug_freq_2_1 = 900000, + .hotplug_freq_3_0 = 900000, + .hotplug_freq_3_1 = 1200000, + .hotplug_freq_4_0 = 1100000, + .hotplug_rq_1_1 = 200, + .hotplug_rq_2_0 = 200, + .hotplug_rq_2_1 = 300, + .hotplug_rq_3_0 = 300, + .hotplug_rq_3_1 = 400, + .hotplug_rq_4_0 = 400, + .max_freq = 900000, + .min_freq = -1, + .up_threshold = 95, + .down_differential = 1, + .min_cpu_lock = 0, + .max_cpu_lock = 2, + .cpu_down_rate = 5, + .sampling_rate = 200000, + .io_is_busy = 0, + .boost_freq = 0, + .boost_mincpus = 0, + .interaction_boost_time = 0, + }, + [PROFILE_BALANCED] = { + .hotplug_freq_1_1 = 700000, + .hotplug_freq_2_0 = 700000, + .hotplug_freq_2_1 = 900000, + .hotplug_freq_3_0 = 900000, + .hotplug_freq_3_1 = 1100000, + .hotplug_freq_4_0 = 1100000, + .hotplug_rq_1_1 = 150, + .hotplug_rq_2_0 = 150, + .hotplug_rq_2_1 = 250, + .hotplug_rq_3_0 = 250, + .hotplug_rq_3_1 = 350, + .hotplug_rq_4_0 = 350, + .max_freq = 1200000, + .min_freq = -1, + .up_threshold = 90, + .down_differential = 2, + .min_cpu_lock = 0, + .max_cpu_lock = 0, + .cpu_down_rate = 8, + .sampling_rate = 200000, + .io_is_busy = 0, + .boost_freq = 0, + .boost_mincpus = 0, + .interaction_boost_time = 0, + }, + [PROFILE_PERFORMANCE] = { + .hotplug_freq_1_1 = 800000, + .hotplug_freq_2_0 = 500000, + .hotplug_freq_2_1 = 800000, + .hotplug_freq_3_0 = 500000, + .hotplug_freq_3_1 = 1000000, + .hotplug_freq_4_0 = 700000, + .hotplug_rq_1_1 = 150, + .hotplug_rq_2_0 = 100, + .hotplug_rq_2_1 = 200, + .hotplug_rq_3_0 = 150, + .hotplug_rq_3_1 = 250, + .hotplug_rq_4_0 = 200, + .min_freq = -1, + .max_freq = -1, + .up_threshold = 85, + .down_differential = 5, + .min_cpu_lock = 0, + .max_cpu_lock = 0, + .cpu_down_rate = 15, + .sampling_rate = 200000, + .io_is_busy = 1, + .boost_freq = 0, + .boost_mincpus = 0, + .interaction_boost_time = 0, + }, +}; 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