blob: ac28686b82100aaed0a746a84a6b0fc3a72f9f65 (
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
|
/* IBM_PROLOG_BEGIN_TAG */
/* This is an automatically generated prolog. */
/* */
/* $Source: src/include/usr/i2c/i2cif.H $ */
/* */
/* OpenPOWER HostBoot Project */
/* */
/* Contributors Listed Below - COPYRIGHT 2012,2014 */
/* [+] International Business Machines Corp. */
/* */
/* */
/* 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. */
/* */
/* IBM_PROLOG_END_TAG */
#ifndef __I2CIF_H
#define __I2CIF_H
namespace I2C
{
/**
* @brief This function will handle everything required to setup the master
* engines.
* Mainly, as of current code, this is being used to write the I2C Bus
* Divisor values to the master engines to be used by Phyp.
*
* @return errlHndl_t - Null if successful, otherwise a pointer to
* the error log.
*/
errlHndl_t i2cSetupMasters ( void );
/**
* @enum i2cResetType
*
* @brief I2C Reset Type specifies what is reset when i2cResetMasters() is called
* @todo RTC 115832 - additional enums will be added
*
*/
enum i2cResetType
{
I2C_RESET_INVALID = 0x00,
I2C_RESET_PROC_HOST = 0x01, // Only Host (not FSI)
};
/**
* @brief This function will handle everything required to reset various
* I2C master engines.
*
* @param[in] i_resetType - Specfies which I2C master engines to reset
*
* @return errlHndl_t - Null if successful, otherwise a pointer to
* the error log.
*/
errlHndl_t i2cResetMasters ( i2cResetType i_resetType );
}; // end namespace I2C
#endif // end __I2CIF_H
|