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
|
/*
* Copyright (c) 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.
*/
#include "ds2482_bridge.h"
#include "pcf50626_i2c.h"
#include "ds2482_i2c.h"
#include "pcf50626_reg.h"
#include "ds2482_reg.h"
NvBool
Ds2482Setup(NvOdmPmuDeviceHandle hDevice)
{
NvU8 data = 0;
// One wire I2C bridge
//Device Reset Status
if (!Ds2482OWI2cRead8(hDevice, DS2482_DEVICE_RESET, &data))
return NV_FALSE;
//NVODMPMU_PRINTF(("Device Reset reg 0x%02x = 0x%02x\n", DS2482_DEVICE_RESET, data));
//1-Wire Reset Status
if (!Ds2482OWI2cRead8(hDevice, DS2482_1WIRE_RESET, &data))
return NV_FALSE;
//NVODMPMU_PRINTF(("1-Wire Reset reg 0x%02x = 0x%02x\n", DS2482_1WIRE_RESET, data));
while(1)
{
if (!Ds2482OWI2cWrite8(hDevice, DS2482_READ_DATA_REG_ADDR, DS2482_DEVICE_RESET))
return NV_FALSE;
if (!Ds2482OWI2cRead8(hDevice, DS2482_READ_DATA_REG_ADDR, &data))
return NV_FALSE;
if (!(data & 0x01))
break;
}
return NV_TRUE;
}
|
