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
|
/*
* power-manager
* Copyright (c) 2012 Samsung Electronics Co., Ltd.
*
* 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.
*/
/**
* @file pm_core.h
* @author Suchang Woo (suchang.woo@samsung.com)
* @modified by Wonil Choi (wonil22.choi@samsung.com)
* @version 0.2
* @brief Power manager main loop header file
*/
#ifndef __POWER_MANAGER_H__
#define __POWER_MANAGER_H__
#include "util.h"
#include "pm_poll.h"
#include "pm_llinterface.h"
#include "pm_setting.h"
#include "pm_conf.h"
#define WITHOUT_STARTNOTI 0x1
#define MASK_BIT 0x7 /* 111 */
#define MASK_DIM 0x1 /* 001 */
#define MASK_OFF 0x2 /* 010 */
#define MASK_SLP 0x4 /* 100 */
#define VCALL_FLAG 0x00000001
#define LOWBT_FLAG 0x00000100
#define CHRGR_FLAG 0x00000200
#define PWRSV_FLAG 0x00000400
#define BRTCH_FLAG 0x00002000
#define TOLERANCE_SLOT 2
unsigned int status_flag;
/*
* State enumeration
*/
enum state_t {
S_START = 0,
S_NORMAL, /*< normal state */
S_LCDDIM, /*< LCD dimming */
S_LCDOFF, /*< LCD off */
S_SLEEP, /*< system suspend */
S_END
};
/*
* Global variables
* cur_state : current state
* states : state definitions
* trans_table : state transition table
*/
int cur_state;
int old_state;
/*
* @brief State structure
*/
struct state {
enum state_t state; /**< state number */
int (*trans) (int evt); /**< transition function pointer */
int (*action) (int timeout); /**< enter action */
int (*check) (int next); /**< transition check function */
int timeout;
} states[S_END];
/* If the bit in a condition variable is set,
* we cannot transit the state until clear this bit. */
int trans_condition;
pid_t idle_pid;
int (*pm_init_extention) (void *data); /**< extention init function */
void (*pm_exit_extention) (void); /**< extention exit function */
int check_processes(enum state_t prohibit_state);
/*
* Power manager Main loop
*
* @internal
* @param[in] flags If the first bit of this is set, start managing without Start notification.
* If the second bit of ths is set, use unified device manager functions.
*/
void start_main(unsigned int flags);
/**
* @}
*/
#endif
|
