shutdown.c

QNX ADS BSP code for i.MX27 chips

/*
 * $QNXLicenseC: 
 * Copyright 2007, QNX Software Systems.  
 *  
 * Licensed under the Apache License, Version 2.0 (the "License"). You  
 * may not reproduce, modify or distribute this software 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 OF ANY KIND, either express or implied. 
 * 
 * This file may contain contributions from others, either as  
 * contributors under the License or as licensors under other terms.   
 * Please review this entire file for other proprietary rights or license  
 * notices, as well as the QNX Development Suite License Guide at  
 * http://licensing.qnx.com/license-guide/ for other information. 
 * $
 */



#include <crys8900.h>

int 
cs8900_shutdown1( int reg_hdl, void *hdl )
{
cs8900_dev_t	*cs8900 = (cs8900_dev_t *)hdl;
int				iobase;

	iobase = cs8900->iobase;

	cs8900_wpktpage( iobase, CS8900_RXCFG, 0 );
	cs8900_wpktpage( iobase, CS8900_TXCFG, 0 );
	cs8900_wpktpage( iobase, CS8900_BUFCFG, 0 );
	cs8900_wpktpage( iobase, CS8900_BUSCTL, 0 );
	cs8900_wpktpage ( iobase, CS8900_TESTCTL, 0);
	InterruptDetach( cs8900->iid );
	ConnectDetach( cs8900->coid );
	ChannelDestroy( cs8900->chid );

	return (0);
}

int 
cs8900_shutdown2( int reg_hdl, void *hdl )
{
cs8900_dev_t	*cs8900 = (cs8900_dev_t *)hdl;

#ifdef __X86__
	if( cs8900->mode & CS8900_DMA )
		munmap( cs8900->dmem, cs8900->dmem_size );
	else if( cs8900->mode & CS8900_SHARED )
		munmap( cs8900->smem, cs8900->smem_size );
#endif
	pthread_cancel (cs8900->tid);
	pthread_join(cs8900->tid, NULL);

	cs8900_flush( cs8900->reg_hdl, cs8900 );
	pthread_mutex_destroy( &cs8900->mutex );
	if (cs8900->map_flag)
		munmap_device_io(cs8900->iobase, 32);
	free( cs8900 );
	return( 0 );
}