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/*
* Copyright (c) 2009 NVIDIA Corporation.
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions are met:
*
* Redistributions of source code must retain the above copyright notice,
* this list of conditions and the following disclaimer.
*
* Redistributions in binary form must reproduce the above copyright notice,
* this list of conditions and the following disclaimer in the documentation
* and/or other materials provided with the distribution.
*
* Neither the name of the NVIDIA Corporation nor the names of its contributors
* may be used to endorse or promote products derived from this software
* without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
* AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
* ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE
* LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
* CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
* SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
* INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
* CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
* ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
* POSSIBILITY OF SUCH DAMAGE.
*
*/
#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;
}
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