blob: f8f377dd88031acea959d1905d2df3765fff94c0 (
plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
|
/* linux/arch/arm/mach-exynos/include/mach/busfreq_exynos4.h
*
* Copyright (c) 2010 Samsung Electronics Co., Ltd.
* http://www.samsung.com
*
* EXYNOS4 - BUSFreq support
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License version 2 as
* published by the Free Software Foundation.
*/
#ifndef __ASM_ARCH_BUSFREQ_H
#define __ASM_ARCH_BUSFREQ_H __FILE__
#include <linux/notifier.h>
#include <linux/earlysuspend.h>
#include <mach/ppmu.h>
#define MAX_LOAD 100
#define LOAD_HISTORY_SIZE 5
#define DIVIDING_FACTOR 10000
#define TIMINGROW_OFFSET 0x34
#define PRIME_DMC_MAX_THRESHOLD 30
#define EXYNOS4412_DMC_MAX_THRESHOLD 30
#define EXYNOS4212_DMC_MAX_THRESHOLD 30
extern unsigned int up_threshold;
extern unsigned int ppmu_threshold;
extern unsigned int idle_threshold;
extern unsigned int up_cpu_threshold;
extern unsigned int max_cpu_threshold;
extern unsigned int cpu_slope_size;
extern unsigned int dmc_max_threshold;
extern unsigned int load_history_size;
struct opp;
struct device;
struct busfreq_table;
struct busfreq_data {
bool use;
struct device *dev;
struct delayed_work worker;
struct opp *curr_opp;
struct opp *max_opp;
struct opp *min_opp;
struct regulator *vdd_int;
struct regulator *vdd_mif;
unsigned int sampling_rate;
struct kobject *busfreq_kobject;
int table_size;
struct busfreq_table *table;
unsigned long long *time_in_state;
unsigned long long last_time;
unsigned int load_history[PPMU_END][LOAD_HISTORY_SIZE];
int index;
struct notifier_block exynos_buspm_notifier;
struct notifier_block exynos_reboot_notifier;
struct notifier_block exynos_request_notifier;
struct notifier_block exynos_cpufreq_notifier;
struct notifier_block exynos_busqos_notifier;
struct early_suspend busfreq_early_suspend_handler;
struct attribute_group busfreq_attr_group;
int (*init) (struct device *dev, struct busfreq_data *data);
struct opp *(*monitor)(struct busfreq_data *data);
void (*target) (int index);
unsigned int (*get_int_volt) (unsigned long index);
unsigned int (*get_table_index) (struct opp *opp);
void (*busfreq_prepare) (unsigned int index);
void (*busfreq_post) (unsigned int index);
void (*set_qos) (unsigned int index);
void (*busfreq_suspend) (void);
void (*busfreq_resume) (void);
};
struct busfreq_table {
unsigned int idx;
unsigned int mem_clk;
unsigned int volt;
unsigned int clk_topdiv;
unsigned int clk_dmc0div;
unsigned int clk_dmc1div;
};
void exynos_request_apply(unsigned long freq);
struct opp *step_down(struct busfreq_data *data, int step);
int exynos4x12_init(struct device *dev, struct busfreq_data *data);
void exynos4x12_target(int index);
unsigned int exynos4x12_get_int_volt(unsigned long freq);
unsigned int exynos4x12_get_table_index(struct opp *opp);
struct opp *exynos4x12_monitor(struct busfreq_data *data);
void exynos4x12_prepare(unsigned int index);
void exynos4x12_post(unsigned int index);
void exynos4x12_set_qos(unsigned int index);
void exynos4x12_suspend(void);
void exynos4x12_resume(void);
int exynos4x12_find_busfreq_by_volt(unsigned int req_volt, unsigned int *freq);
#endif /* __ASM_ARCH_BUSFREQ_H */
|
