111 lines
3.1 KiB
C
Executable file
111 lines
3.1 KiB
C
Executable file
// SPDX-License-Identifier: GPL-2.0
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/*
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* (C) COPYRIGHT 2021 Samsung Electronics Inc. All rights reserved.
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*
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* This program is free software and is provided to you under the terms of the
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* GNU General Public License version 2 as published by the Free Software
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* Foundation, and any use by you of this program is subject to the terms
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* of such GNU licence.
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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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* You should have received a copy of the GNU General Public License
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* along with this program; if not, you can access it online at
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* http://www.gnu.org/licenses/gpl-2.0.html.
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*/
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#ifndef _MALI_EXYNOS_DEBUG_H_
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#define _MALI_EXYNOS_DEBUG_H_
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struct device;
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enum hist_type {
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HIST_CLOCK = 0,
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HIST_LLC,
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HIST_BTS,
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HIST_RTPM,
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HIST_SUSPEND,
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HIST_TYPE_SIZE,
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};
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enum pm_action {
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PM_RUNTIME_GET_SYNC = 1,
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PM_RUNTIME_SUSPEND = 2,
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PM_RUNTIME_RESUME = 3,
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};
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/**
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* gpex_debug_init() - initializes gpex_debug module
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*
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* Return: 0 on success
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*/
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int gpex_debug_init(struct device **dev);
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/**
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* gpex_debug_dump_hist() - dump recorded history to kernel log
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* @ht: type of history to dump
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*
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* prints type name, time, prev data, new data, code
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*/
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void gpex_debug_dump_hist(enum hist_type ht);
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/**
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* gpex_debug_new_record() - create a new record entry for given type
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* @ht: record type
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*/
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void gpex_debug_new_record(enum hist_type ht);
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/**
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* gpex_debug_record_time() - record the current system time in the current record for given type
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* @ht: record type
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*/
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void gpex_debug_record_time(enum hist_type ht);
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/**
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* gpex_debug_record_prev_data() - record the "before change" data in the current record for given type
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* @ht: record type
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* @prev_data: before change value to record
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*/
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void gpex_debug_record_prev_data(enum hist_type ht, int prev_data);
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/**
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* gpex_debug_record_new_data() - record the "after change" data in the current record for given type
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* @ht: record type
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* @new_data: after change value to record
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*/
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void gpex_debug_record_new_data(enum hist_type ht, int new_data);
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/**
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* gpex_debug_record_code() - record the "code" data in the current record for given type
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* @ht: record type
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* @code: code value to record
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*
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* code value is usually an error code, but it can be any integer value
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*/
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void gpex_debug_record_code(enum hist_type ht, int code);
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/**
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* gpex_debug_record() - record the time, prev_data, new_data and code in the current record for given type
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* @ht: record type
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* @prev_data: "before change" value to record
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* @new_data: "after change" value to record
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* @code: code value to record
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*/
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void gpex_debug_record(enum hist_type ht, int prev_data, int new_data, int code);
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/**
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* gpex_debug_incr_error_cnt() - increment the error count of given record type
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* @ht: record type
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*/
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void gpex_debug_incr_error_cnt(enum hist_type ht);
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/**
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* gpex_debug_dump_error_cnt() - dump the error counts of all record types to kernel log
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*/
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void gpex_debug_dump_error_cnt(void);
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#endif /* _MALI_EXYNOS_DEBUG_H_ */
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