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
|
/*
* arch/arm/mach-sunxi/arisc/include/arisc_hwmsgbox.h
*
* Copyright (c) 2012 Allwinner.
* 2012-10-01 Written by superm (superm@allwinnertech.com).
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation; either version 2 of the License, or
* (at your option) any later version.
*
* This program is distributed in the hope that 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.
*
* You should have received a copy of the GNU General Public License
* along with this program; if not, write to the Free Software
* Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
*/
#ifndef __ARISC_HWMSGBOX_H
#define __ARISC_HWMSGBOX_H
//the number of hardware message queue.
#define AW_HWMSG_QUEUE_NUMBER (8)
//the user of hardware message queue.
typedef enum aw_hwmsg_queue_user
{
AW_HWMSG_QUEUE_USER_ARISC, //arisc
AW_HWMSG_QUEUE_USER_AC327, //cpu0
} aw_hwmsg_queue_user_e;
/**
* initialize hwmsgbox.
* @para: none.
*
* returns: OK if initialize hwmsgbox succeeded, others if failed.
*/
int arisc_hwmsgbox_init(void);
/**
* exit hwmsgbox.
* @para: none.
*
* returns: OK if exit hwmsgbox succeeded, others if failed.
*/
int arisc_hwmsgbox_exit(void);
/**
* send one message to another processor by hwmsgbox.
* @pmessage: the pointer of sended message frame.
* @timeout: the wait time limit when message fifo is full,
* it is valid only when parameter mode = SEND_MESSAGE_WAIT_TIMEOUT.
*
* returns: OK if send message succeeded, other if failed.
*/
int arisc_hwmsgbox_send_message(struct arisc_message *pmessage, unsigned int timeout);
/**
* Description: query message of hwmsgbox by hand, mainly for.
* @para: none.
*
* returns: the point of message, NULL if timeout.
*/
struct arisc_message *arisc_hwmsgbox_query_message(void);
int arisc_hwmsgbox_enable_receiver_int(int queue, int user);
int arisc_hwmsgbox_disable_receiver_int(int queue, int user);
int arisc_hwmsgbox_feedback_message(struct arisc_message *pmessage, unsigned int timeout);
int arisc_hwmsgbox_standby_resume(void);
int arisc_hwmsgbox_standby_suspend(void);
#endif /* __ARISC_HWMSGBOX_H */
|
