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  1. /*
  2.  * Copyright (c) 2009 Lukas Mejdrech
  3.  * All rights reserved.
  4.  *
  5.  * Redistribution and use in source and binary forms, with or without
  6.  * modification, are permitted provided that the following conditions
  7.  * are met:
  8.  *
  9.  * - Redistributions of source code must retain the above copyright
  10.  *   notice, this list of conditions and the following disclaimer.
  11.  * - Redistributions in binary form must reproduce the above copyright
  12.  *   notice, this list of conditions and the following disclaimer in the
  13.  *   documentation and/or other materials provided with the distribution.
  14.  * - The name of the author may not be used to endorse or promote products
  15.  *   derived from this software without specific prior written permission.
  16.  *
  17.  * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
  18.  * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
  19.  * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
  20.  * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
  21.  * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
  22.  * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
  23.  * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
  24.  * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
  25.  * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
  26.  * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
  27.  */
  28.  
  29. /** @addtogroup dp8390
  30.  *  @{
  31.  */
  32.  
  33. /** @file
  34.  */
  35.  
  36. #include <assert.h>
  37. //#include <async.h>
  38. #include <ddi.h>
  39. #include <errno.h>
  40. #include <malloc.h>
  41. #include <mem.h>
  42. //#include <stdio.h>
  43. //#include <sysinfo.h>
  44. #include <ipc/ipc.h>
  45. #include <ipc/services.h>
  46. //#include <sys/types.h>
  47.  
  48. #include "../../err.h"
  49. #include "../../messages.h"
  50. #include "../../modules.h"
  51.  
  52. #include "../../structures/packet/packet_client.h"
  53. #include "../../structures/measured_strings.h"
  54.  
  55. #include "dp8390.h"
  56. #include "dp8390_drv.h"
  57. #include "dp8390_module.h"
  58. #include "dp8390_port.h"
  59. //#include "local.h"
  60. #include "../device.h"
  61. #include "../netif.h"
  62.  
  63. //TODO sync stats
  64.  
  65. #define NAME    "dp8390 network interface"
  66.  
  67. #define IPC_GET_DEVICE( call )          ( device_id_t ) IPC_GET_ARG1( * call )
  68. #define IPC_GET_ISR( call )             ( int ) IPC_GET_ARG2( * call )
  69.  
  70. static irq_cmd_t    dp8390_cmds[] = {
  71.     {   .cmd = CMD_PIO_READ_8,
  72.         .addr = NULL,
  73.         .dstarg = 2
  74.     },
  75.     {
  76.         .cmd = CMD_PREDICATE,
  77.         .value = 2,
  78.         .srcarg = 2
  79.     },
  80.     {//TODO remember device_id
  81.         .cmd = CMD_ACCEPT,
  82.         .value = 0,
  83.         .dstarg = 1,
  84.     },
  85.     {
  86.         .cmd = CMD_ACCEPT
  87.     }
  88. };
  89.  
  90. static irq_code_t   dp8390_code = {
  91.     sizeof( dp8390_cmds ) / sizeof( irq_cmd_t ),
  92.     dp8390_cmds
  93. };
  94.  
  95. netif_globals_t netif_globals;
  96.  
  97. void netif_print_name( void );
  98. int initialize( void );
  99. int probe_auto_message( void );
  100. int probe_message( device_id_t device_id, int irq, int io );
  101. int send_message( device_id_t device_id, packet_t packet );
  102. int start_message( device_id_t device_id );
  103. int stop_message( device_id_t device_id );
  104. measured_string_ref get_addr_message( device_id_t device_id );
  105.  
  106. static void irq_handler( ipc_callid_t iid, ipc_call_t * call );
  107.  
  108. void netif_print_name( void ){
  109.     printf( NAME );
  110. }
  111.  
  112. measured_string_ref get_addr_message( device_id_t device_id ){
  113.     ERROR_DECLARE;
  114.  
  115.     device_ref  device;
  116.  
  117.     if( ERROR_OCCURRED( find_device( device_id, & device ))) return NULL;
  118.     return (( dp_device_ref )( device->specific ))->addr;
  119. }
  120.  
  121. static void irq_handler( ipc_callid_t iid, ipc_call_t * call )
  122. {
  123. //  int irq;
  124.     device_ref  device;
  125.     dpeth_t *   dep;
  126.  
  127.     if( find_device( IPC_GET_DEVICE( call ), & device ) == EOK ){
  128.         dep = & (( dp_device_ref ) device->specific )->dep;
  129.         printf( "\ndev %d, irq %x\n", device->device_id, IPC_GET_ISR( call ));
  130.         if ( dep->de_mode != DEM_ENABLED)
  131.     //      continue;
  132.             return;
  133.         assert( dep->de_flags & DEF_ENABLED);
  134.     //  irq= dep.de_irq;
  135.     //  assert(irq >= 0 && irq < NR_IRQ_VECTORS);
  136.         if ( dep->de_int_pending || 1)
  137.         {
  138.             dep->de_int_pending= 0;
  139.             dp_check_ints( dep );
  140.     //      do_int(dep);
  141.     /*      r= sys_irqenable(&dep->de_hook);
  142.             if (r != OK)
  143.             {
  144.                 panic("DP8390",
  145.                 "unable enable interrupts", r);
  146.             }
  147.     */  }
  148.     }
  149. }
  150.  
  151. int probe_auto_message( void ){
  152.     return ENOTSUP;
  153. }
  154.  
  155. int probe_message( device_id_t device_id, int irq, int io ){
  156.     ERROR_DECLARE;
  157.  
  158.     device_ref      device;
  159.     dp_device_ref   dp_device;
  160.  
  161.     printf( "\n" );
  162.     device = ( device_ref ) malloc( sizeof( device_t ));
  163.     if( ! device ) return ENOMEM;
  164.     dp_device = ( dp_device_ref ) malloc( sizeof( dp_device_t ));
  165.     if( ! dp_device ){
  166.         free( device );
  167.         return ENOMEM;
  168.     }
  169.     bzero( device, sizeof( device_t ));
  170.     bzero( dp_device, sizeof( dp_device_t ));
  171.     device->device_id = device_id;
  172.     device->nil_phone = -1;
  173.     device->specific = ( void * ) dp_device;
  174.     device->state = NETIF_ACTIVE;
  175.     dp_device->dep.de_irq = irq;
  176.     dp_device->dep.de_base_port = io;
  177.     dp_device->dep.de_mode = DEM_DISABLED;
  178.     //TODO address?
  179.     if( ERROR_OCCURRED( iospace_enable( task_get_id(), ( void * ) ( uint32_t ) dp_device->dep.de_base_port, DP8390_IO_SIZE ))
  180.     || ERROR_OCCURRED( do_probe( & dp_device->dep ))){
  181.         free( dp_device );
  182.         free( device );
  183.         return ERROR_CODE;
  184.     }
  185.     dp_device->addr = measured_string_create_bulk(( char * ) & dp_device->dep.de_address, CONVERT_SIZE( ether_addr_t, char, 1 ));
  186.     if( ! dp_device->addr ){
  187.         free( dp_device );
  188.         free( device );
  189.         return ENOMEM;
  190.     }
  191.     if( ERROR_OCCURRED( device_map_add( & netif_globals.device_map, device->device_id, device ))){
  192.         free( dp_device->addr );
  193.         free( dp_device );
  194.         free( device );
  195.         return ERROR_CODE;
  196.     }
  197.     return EOK;
  198. }
  199.  
  200. int send_message( device_id_t device_id, packet_t packet ){
  201.     // TODO send message
  202.     return ENOTSUP;
  203. }
  204.  
  205. int start_message( device_id_t device_id ){
  206.     ERROR_DECLARE;
  207.  
  208.     device_ref  device;
  209.     dpeth_t *   dep;
  210.  
  211.     ERROR_PROPAGATE( find_device( device_id, & device ));
  212.     if( device->state != NETIF_ACTIVE ){
  213.         dep = & (( dp_device_ref ) device->specific )->dep;
  214.         dp8390_cmds[ 0 ].addr = ( void * ) ( uint32_t ) ( dep->de_dp8390_port + DP_ISR );
  215.         dp8390_cmds[ 2 ].value = device->device_id;
  216.         ERROR_PROPAGATE( ipc_register_irq( dep->de_irq, device->device_id, 0, & dp8390_code ));
  217.         if( ERROR_OCCURRED( do_init( dep, DL_BROAD_REQ ))){
  218.             ipc_unregister_irq( dep->de_irq, device->device_id );
  219.             return ERROR_CODE;
  220.         }
  221.         device->state = NETIF_ACTIVE;
  222.         nil_message( device, NET_NIL_DEVICE_STATE, device->state, NULL );
  223.     }
  224.     return EOK;
  225. }
  226.  
  227. int stop_message( device_id_t device_id ){
  228.     ERROR_DECLARE;
  229.  
  230.     device_ref  device;
  231.     dpeth_t *   dep;
  232.  
  233.     ERROR_PROPAGATE( find_device( device_id, & device ));
  234.     if( device->state != NETIF_STOPPED ){
  235.         dep = & (( dp_device_ref ) device->specific )->dep;
  236.         do_stop( dep );
  237.         ipc_unregister_irq( dep->de_irq, device->device_id );
  238.         device->state = NETIF_STOPPED;
  239.         nil_message( device, NET_NIL_DEVICE_STATE, device->state, NULL );
  240.     }
  241.     return EOK;
  242. }
  243.  
  244. int initialize( void ){
  245.     ipcarg_t    phonehash;
  246.  
  247.     async_set_interrupt_received( irq_handler );
  248.  
  249.     return REGISTER_ME( SERVICE_DP8390, & phonehash );
  250. }
  251.  
  252. /** @}
  253.  */
  254.