forked from rrcarlosr/Jetpack
87 lines
1.9 KiB
C
87 lines
1.9 KiB
C
/*
|
|
* Copyright (c) 2014-2016, NVIDIA CORPORATION. All rights reserved.
|
|
*
|
|
* This program is free software; you can redistribute it and/or modify it
|
|
* under the terms and conditions of the GNU General Public License,
|
|
* version 2, as published by the Free Software Foundation.
|
|
*
|
|
* This program is distributed in the hope it will be useful, but WITHOUT
|
|
* ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
|
|
* FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for
|
|
* more details.
|
|
*/
|
|
|
|
#ifndef __APE_ACTMON_H
|
|
#define __APE_ACTMON_H
|
|
#include <linux/spinlock.h>
|
|
|
|
enum actmon_type {
|
|
ACTMON_LOAD_SAMPLER,
|
|
ACTMON_FREQ_SAMPLER,
|
|
};
|
|
|
|
enum actmon_state {
|
|
ACTMON_UNINITIALIZED = -1,
|
|
ACTMON_OFF = 0,
|
|
ACTMON_ON = 1,
|
|
ACTMON_SUSPENDED = 2,
|
|
};
|
|
/* Units:
|
|
* - frequency in kHz
|
|
* - coefficients, and thresholds in %
|
|
* - sampling period in ms
|
|
* - window in sample periods (value = setting + 1)
|
|
*/
|
|
struct actmon_dev {
|
|
u32 reg;
|
|
int irq;
|
|
struct device *device;
|
|
|
|
const char *dev_id;
|
|
const char *con_id;
|
|
const char *clk_name;
|
|
struct clk *clk;
|
|
|
|
unsigned long max_freq;
|
|
unsigned long target_freq;
|
|
unsigned long cur_freq;
|
|
unsigned long suspend_freq;
|
|
|
|
unsigned long avg_actv_freq;
|
|
unsigned long avg_band_freq;
|
|
unsigned int avg_sustain_coef;
|
|
u32 avg_count;
|
|
|
|
unsigned long boost_freq;
|
|
unsigned long boost_freq_step;
|
|
unsigned int boost_up_coef;
|
|
unsigned int boost_down_coef;
|
|
unsigned int boost_up_threshold;
|
|
unsigned int boost_down_threshold;
|
|
|
|
u8 up_wmark_window;
|
|
u8 down_wmark_window;
|
|
u8 avg_window_log2;
|
|
u32 count_weight;
|
|
|
|
enum actmon_type type;
|
|
enum actmon_state state;
|
|
enum actmon_state saved_state;
|
|
|
|
spinlock_t lock;
|
|
|
|
};
|
|
|
|
struct actmon {
|
|
struct clk *clk;
|
|
unsigned long freq;
|
|
unsigned long sampling_period;
|
|
struct notifier_block clk_rc_nb;
|
|
void __iomem *base;
|
|
};
|
|
|
|
int ape_actmon_init(struct platform_device *pdev);
|
|
int ape_actmon_exit(struct platform_device *pdev);
|
|
void actmon_rate_change(unsigned long freq, bool override);
|
|
#endif
|