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
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
|
/*
* Copyright (c) 2007-2009 NVIDIA Corporation.
*
* 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.,
* 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
*/
/**
* @file nvodm_uart.c
* @brief <b>Adaptation for uart </b>
*
* @Description : Implementation of the uart adaptation.
*/
#include "nvodm_uart.h"
#include "nvodm_services.h"
#include "nvodm_query_discovery.h"
#include "nvodm_services.h"
#include "nvos.h"
#include "nvodm_pmu.h"
#ifdef NV_DRIVER_DEBUG
#define NV_DRIVER_TRACE NvOsDebugPrintf
#else
#define NV_DRIVER_TRACE (void)
#endif
typedef struct NvOdmUartRec
{
// NvODM PMU device handle
NvOdmServicesPmuHandle hPmu;
// Gpio Handle
NvOdmServicesGpioHandle hGpio;
// Pin handle to Bluetooth Reset Gpio pin
NvOdmGpioPinHandle hResetPin;
NvOdmPeripheralConnectivity *pConnectivity;
} NvOdmUart;
NvOdmUartHandle NvOdmUartOpen(NvU32 Instance)
{
NvOdmUart *pDevice = NULL;
NvOdmPeripheralConnectivity *pConnectivity;
NvU32 NumOfGuids = 1;
NvU64 guid;
NvU32 searchVals[2];
const NvOdmPeripheralSearch searchAttrs[] =
{
NvOdmPeripheralSearch_IoModule,
NvOdmPeripheralSearch_Instance,
};
searchVals[0] = NvOdmIoModule_Uart;
searchVals[1] = Instance;
NumOfGuids = NvOdmPeripheralEnumerate(
searchAttrs,
searchVals,
2,
&guid,
NumOfGuids);
pConnectivity = (NvOdmPeripheralConnectivity *)NvOdmPeripheralGetGuid(guid);
if (pConnectivity == NULL)
goto ExitUartOdm;
pDevice = NvOdmOsAlloc(sizeof(NvOdmUart));
if(pDevice == NULL)
goto ExitUartOdm;
pDevice->hPmu = NvOdmServicesPmuOpen();
if(pDevice->hPmu == NULL)
{
goto ExitUartOdm;
}
// Switch On UART Interface
pDevice->pConnectivity = pConnectivity;
return pDevice;
ExitUartOdm:
NvOdmOsFree(pDevice);
pDevice = NULL;
return NULL;
}
void NvOdmUartClose(NvOdmUartHandle hOdmUart)
{
if (hOdmUart)
{
// Switch OFF UART Interface
if (hOdmUart->hPmu != NULL)
{
NvOdmServicesPmuClose(hOdmUart->hPmu);
}
NvOdmOsFree(hOdmUart);
hOdmUart = NULL;
}
}
NvBool NvOdmUartSuspend(NvOdmUartHandle hOdmUart)
{
return NV_FALSE;
}
NvBool NvOdmUartResume(NvOdmUartHandle hOdmUart)
{
return NV_FALSE;
}
|
