threeeye
bc1d038eac
Squashed backup commit (no shallow-clone history issues) of xiaomi-mt6833-dev/kernel_xiaomi_mt6833 (lineage-23.2 branch, upstream commit 9eece662e) plus all fixes applied to get everpal_defconfig building clean against a modern (GCC 15.2.0) toolchain -- see the previous commit message on the lineage-23.2 branch (also in this repo history is not available here since this is a squashed snapshot; full incremental history lives in the local DL380 checkout and the upstream GitHub remote). Upstream: https://github.com/xiaomi-mt6833-dev/kernel_xiaomi_mt6833 (lineage-23.2)
66 lines
1.9 KiB
C
66 lines
1.9 KiB
C
/*
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* Copyright (c) 2018 MediaTek Inc.
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* Author: Cheng-Jung Ho <cheng-jung.ho@mediatek.com>
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*
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* This program is free software; you can redistribute it and/or modify
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* it under the terms of the GNU General Public License version 2 as
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* published by the Free Software Foundation.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*/
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#ifndef __VCODEC_DVFS_H__
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#define __VCODEC_DVFS_H__
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#define MAX_HISTORY 10
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#define MIN_SUBMIT_GAP 2000 /* 2ms */
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#define MAX_SUBMIT_GAP (1000*1000) /* 1 second */
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#define FREE_HIST_DELAY (5000*1000) /* Free history delay */
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#define DEFAULT_MHZ 99999
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struct codec_history {
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void *handle;
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int kcy[MAX_HISTORY];
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long long submit[MAX_HISTORY];
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long long start[MAX_HISTORY];
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long long end[MAX_HISTORY];
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long long submit_interval;
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int cur_idx;
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int cur_cnt;
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int tot_kcy;
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long long tot_time;
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struct codec_history *next;
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};
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struct codec_job {
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void *handle;
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long long submit;
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long long start;
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long long end;
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int mhz;
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struct codec_job *next;
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};
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long long get_time_us(void);
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/* Add a new job to job queue */
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struct codec_job *add_job(void *handle, struct codec_job **head);
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/* Move target job to queue head for processing */
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struct codec_job *move_job_to_head(void *handle, struct codec_job **head);
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/* Update history with completed job */
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int update_hist(struct codec_job *job, struct codec_history **head,
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long long submit_interval);
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/* Estimate required freq from job queue and previous history */
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int est_freq(void *handle, struct codec_job **job, struct codec_history *head);
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u64 match_freq(int target_mhz, u64 *freq_list, u32 freq_cnt);
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/* Free unused/all history */
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int free_hist(struct codec_history **head, int only_unused);
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#endif
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