1 /******************************************************************************
2  *
3  *  Copyright (C) 2009-2012 Broadcom Corporation
4  *
5  *  Licensed under the Apache License, Version 2.0 (the "License");
6  *  you may not use this file except in compliance with the License.
7  *  You may obtain a copy of the License at:
8  *
9  *  http://www.apache.org/licenses/LICENSE-2.0
10  *
11  *  Unless required by applicable law or agreed to in writing, software
12  *  distributed under the License is distributed on an "AS IS" BASIS,
13  *  WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
14  *  See the License for the specific language governing permissions and
15  *  limitations under the License.
16  *
17  ******************************************************************************/
18 
19 /******************************************************************************
20  *
21  *  Filename:      upio.h
22  *
23  *  Description:   Contains definitions used for I/O controls
24  *
25  ******************************************************************************/
26 
27 #ifndef UPIO_H
28 #define UPIO_H
29 
30 /******************************************************************************
31 **  Constants & Macros
32 ******************************************************************************/
33 
34 #define UPIO_BT_POWER_OFF 0
35 #define UPIO_BT_POWER_ON  1
36 
37 /* UPIO signals */
38 enum {
39     UPIO_BT_WAKE = 0,
40     UPIO_HOST_WAKE,
41     UPIO_LPM_MODE,
42     UPIO_MAX_COUNT
43 };
44 
45 /* UPIO assertion/deassertion */
46 enum {
47     UPIO_UNKNOWN = 0,
48     UPIO_DEASSERT,
49     UPIO_ASSERT
50 };
51 
52 /******************************************************************************
53 **  Extern variables and functions
54 ******************************************************************************/
55 
56 /******************************************************************************
57 **  Functions
58 ******************************************************************************/
59 
60 /*******************************************************************************
61 **
62 ** Function        upio_init
63 **
64 ** Description     Initialization
65 **
66 ** Returns         None
67 **
68 *******************************************************************************/
69 void upio_init(void);
70 
71 /*******************************************************************************
72 **
73 ** Function        upio_cleanup
74 **
75 ** Description     Clean up
76 **
77 ** Returns         None
78 **
79 *******************************************************************************/
80 void upio_cleanup(void);
81 
82 /*******************************************************************************
83 **
84 ** Function        upio_set_bluetooth_power
85 **
86 ** Description     Interact with low layer driver to set Bluetooth power
87 **                 on/off.
88 **
89 ** Returns         0  : SUCCESS or Not-Applicable
90 **                 <0 : ERROR
91 **
92 *******************************************************************************/
93 int upio_set_bluetooth_power(int on);
94 
95 /*******************************************************************************
96 **
97 ** Function        upio_set
98 **
99 ** Description     Set i/o based on polarity
100 **
101 ** Returns         None
102 **
103 *******************************************************************************/
104 void upio_set(uint8_t pio, uint8_t action, uint8_t polarity);
105 
106 #endif /* UPIO_H */
107 
108