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/*

 * Copyright (c) 2009 Lukas Mejdrech

 * 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.

 * - The name of the author may not be used to endorse or promote products

 *   derived from this software without specific prior written permission.

 *

 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``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 AUTHOR 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.

 */

/** @addtogroup dp8390

 *  @{

 */

/** @file

 */

#include <assert.h>

//#include <async.h>

#include <ddi.h>

#include <errno.h>

#include <malloc.h>

#include <mem.h>

//#include <stdio.h>

//#include <sysinfo.h>

#include <ipc/ipc.h>

#include <ipc/services.h>

//#include <sys/types.h>

#include "../../err.h"

#include "../../messages.h"

#include "../../modules.h"

#include "../../structures/packet/packet_client.h"

#include "../../structures/measured_strings.h"

#include "dp8390.h"

#include "dp8390_drv.h"

#include "dp8390_module.h"

#include "dp8390_port.h"

//#include "local.h"

#include "../device.h"

#include "../netif.h"

//TODO sync stats

#define NAME    "dp8390 network interface"

#define IPC_GET_DEVICE( call )          ( device_id_t ) IPC_GET_ARG1( * call )

#define IPC_GET_ISR( call )             ( int ) IPC_GET_ARG2( * call )

static irq_cmd_t    dp8390_cmds[] = {

    {   .cmd = CMD_PIO_READ_8,

        .addr = NULL,

        .dstarg = 2

    },

    {

        .cmd = CMD_PREDICATE,

        .value = 2,

        .srcarg = 2

    },

    {//TODO remember device_id

        .cmd = CMD_ACCEPT,

        .value = 0,

        .dstarg = 1,

    },

    {

        .cmd = CMD_ACCEPT

    }

};

static irq_code_t   dp8390_code = {

    sizeof( dp8390_cmds ) / sizeof( irq_cmd_t ),

    dp8390_cmds

};

netif_globals_t netif_globals;

void netif_print_name( void );

int initialize( void );

int probe_auto_message( void );

int probe_message( device_id_t device_id, int irq, int io );

int send_message( device_id_t device_id, packet_t packet );

int start_message( device_id_t device_id );

int stop_message( device_id_t device_id );

measured_string_ref get_addr_message( device_id_t device_id );

static void irq_handler( ipc_callid_t iid, ipc_call_t * call );

void netif_print_name( void ){

    printf( NAME );

}

measured_string_ref get_addr_message( device_id_t device_id ){

    ERROR_DECLARE;

    device_ref  device;

    if( ERROR_OCCURRED( find_device( device_id, & device ))) return NULL;

    return (( dp_device_ref )( device->specific ))->addr;

}

static void irq_handler( ipc_callid_t iid, ipc_call_t * call )

{

//  int irq;

    device_ref  device;

    dpeth_t *   dep;

    if( find_device( IPC_GET_DEVICE( call ), & device ) == EOK ){

        dep = & (( dp_device_ref ) device->specific )->dep;

        printf( "\ndev %d, irq %x\n", device->device_id, IPC_GET_ISR( call ));

        if ( dep->de_mode != DEM_ENABLED)

    //      continue;

            return;

        assert( dep->de_flags & DEF_ENABLED);

    //  irq= dep.de_irq;

    //  assert(irq >= 0 && irq < NR_IRQ_VECTORS);

        if ( dep->de_int_pending || 1)

        {

            dep->de_int_pending= 0;

            dp_check_ints( dep );

    //      do_int(dep);

    /*      r= sys_irqenable(&dep->de_hook);

            if (r != OK)

            {

                panic("DP8390",

                "unable enable interrupts", r);

            }

    */  }

    }

}

int probe_auto_message( void ){

    return ENOTSUP;

}

int probe_message( device_id_t device_id, int irq, int io ){

    ERROR_DECLARE;

    device_ref      device;

    dp_device_ref   dp_device;

    printf( "\n" );

    device = ( device_ref ) malloc( sizeof( device_t ));

    if( ! device ) return ENOMEM;

    dp_device = ( dp_device_ref ) malloc( sizeof( dp_device_t ));

    if( ! dp_device ){

        free( device );

        return ENOMEM;

    }

    bzero( device, sizeof( device_t ));

    bzero( dp_device, sizeof( dp_device_t ));

    device->device_id = device_id;

    device->nil_phone = -1;

    device->specific = ( void * ) dp_device;

    device->state = NETIF_ACTIVE;

    dp_device->dep.de_irq = irq;

    dp_device->dep.de_base_port = io;

    dp_device->dep.de_mode = DEM_DISABLED;

    //TODO address?

    if( ERROR_OCCURRED( iospace_enable( task_get_id(), ( void * ) ( uint32_t ) dp_device->dep.de_base_port, DP8390_IO_SIZE ))

    || ERROR_OCCURRED( do_probe( & dp_device->dep ))){

        free( dp_device );

        free( device );

        return ERROR_CODE;

    }

    dp_device->addr = measured_string_create_bulk(( char * ) & dp_device->dep.de_address, CONVERT_SIZE( ether_addr_t, char, 1 ));

    if( ! dp_device->addr ){

        free( dp_device );

        free( device );

        return ENOMEM;

    }

    if( ERROR_OCCURRED( device_map_add( & netif_globals.device_map, device->device_id, device ))){

        free( dp_device->addr );

        free( dp_device );

        free( device );

        return ERROR_CODE;

    }

    return EOK;

}

int send_message( device_id_t device_id, packet_t packet ){

    // TODO send message

    return ENOTSUP;

}

int start_message( device_id_t device_id ){

    ERROR_DECLARE;

    device_ref  device;

    dpeth_t *   dep;

    ERROR_PROPAGATE( find_device( device_id, & device ));

    if( device->state != NETIF_ACTIVE ){

        dep = & (( dp_device_ref ) device->specific )->dep;

        dp8390_cmds[ 0 ].addr = ( void * ) ( uint32_t ) ( dep->de_dp8390_port + DP_ISR );

        dp8390_cmds[ 2 ].value = device->device_id;

        ERROR_PROPAGATE( ipc_register_irq( dep->de_irq, device->device_id, 0, & dp8390_code ));

        if( ERROR_OCCURRED( do_init( dep, DL_BROAD_REQ ))){

            ipc_unregister_irq( dep->de_irq, device->device_id );

            return ERROR_CODE;

        }

        device->state = NETIF_ACTIVE;

        nil_message( device, NET_NIL_DEVICE_STATE, device->state, NULL );

    }

    return EOK;

}

int stop_message( device_id_t device_id ){

    ERROR_DECLARE;

    device_ref  device;

    dpeth_t *   dep;

    ERROR_PROPAGATE( find_device( device_id, & device ));

    if( device->state != NETIF_STOPPED ){

        dep = & (( dp_device_ref ) device->specific )->dep;

        do_stop( dep );

        ipc_unregister_irq( dep->de_irq, device->device_id );

        device->state = NETIF_STOPPED;

        nil_message( device, NET_NIL_DEVICE_STATE, device->state, NULL );

    }

    return EOK;

}

int initialize( void ){

    ipcarg_t    phonehash;

    async_set_interrupt_received( irq_handler );

    return REGISTER_ME( SERVICE_DP8390, & phonehash );

}

/** @}

 */