1.1 --- a/src/maple/maple.c	Wed May 11 08:45:31 2011 +1000
     1.2 +++ b/src/maple/maple.c	Tue Feb 28 17:25:26 2012 +1000
     1.3 @@ -19,6 +19,7 @@
     1.4  
     1.5  #include <assert.h>
     1.6  #include <glib/gstrfuncs.h>
     1.7 +#include "eventq.h"
     1.8  #include "dream.h"
     1.9  #include "mem.h"
    1.10  #include "asic.h"
    1.11 @@ -32,9 +33,18 @@
    1.12  struct maple_device_class *maple_device_classes[] = { 
    1.13          &controller_class, &keyboard_class, &lightgun_class, &mouse_class, &vmu_class, NULL };
    1.14  
    1.15 +/**
    1.16 + * Fire interrupt to notify the completion of DMA transfer
    1.17 + */
    1.18 +static void maple_event_handler( int eventid )
    1.19 +{
    1.20 +    MMIO_WRITE( ASIC, MAPLE_STATE, 0 );
    1.21 +    asic_event( EVENT_MAPLE_DMA );
    1.22 +}
    1.23 +
    1.24  void maple_init( void )
    1.25  {
    1.26 -
    1.27 +    register_event_callback( EVENT_MAPLE_DMA, maple_event_handler );
    1.28  }
    1.29  
    1.30  maple_device_t maple_new_device( const gchar *name )
    1.31 @@ -130,7 +140,11 @@
    1.32                      dev->start_gun(dev);
    1.33                      return; // Pending
    1.34                  } else {
    1.35 -                    asic_event( EVENT_MAPLE_DMA );
    1.36 +                    /* FIXME: Determine how long maple IO really takes to process, 
    1.37 +                     * which is probably a function of the number of requests.
    1.38 +                     * For now, just use 0.2ms as a reasonable value.
    1.39 +                     */
    1.40 +                    event_schedule( EVENT_MAPLE_DMA, 200000 );
    1.41                      return;
    1.42                  }
    1.43              case 7: /* skip */
    1.44 @@ -299,7 +313,7 @@
    1.45              buf += 12 + (length<<2);
    1.46              address += 12 + (length<<2);
    1.47          }
    1.48 -        asic_event( EVENT_MAPLE_DMA );
    1.49 +        event_schedule( EVENT_MAPLE_DMA, 200000 );
    1.50      }
    1.51  }
    1.52