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lxdream.org :: lxdream/src/maple/maple.c :: diff
lxdream 0.9.1
released Jun 29
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filename src/maple/maple.c
changeset 144:7f0714e89aaa
prev121:795fec623ce9
next159:406161fea392
author nkeynes
date Mon May 15 08:28:52 2006 +0000 (13 years ago)
permissions -rw-r--r--
last change Rename video_driver to display_driver
Add input source to display
Implement configuration file support
Hook controllers up to configuration
file annotate diff log raw
1.1 --- a/src/maple/maple.c Mon Mar 20 12:00:15 2006 +0000
1.2 +++ b/src/maple/maple.c Mon May 15 08:28:52 2006 +0000
1.3 @@ -1,5 +1,5 @@
1.4 /**
1.5 - * $Id: maple.c,v 1.7 2006-03-20 12:00:15 nkeynes Exp $
1.6 + * $Id: maple.c,v 1.8 2006-05-15 08:28:52 nkeynes Exp $
1.7 *
1.8 * Implements the core Maple bus, including DMA transfers to and from the bus.
1.9 *
1.10 @@ -28,11 +28,30 @@
1.11 struct dreamcast_module maple_module = { "Maple", maple_init, NULL, NULL, NULL,
1.12 NULL, NULL, NULL };
1.13
1.14 +struct maple_device_class *maple_device_classes[] = { &controller_class, NULL };
1.15 +
1.16 void maple_init( void )
1.17 {
1.18
1.19 }
1.20
1.21 +maple_device_t maple_new_device( const gchar *name )
1.22 +{
1.23 + int i;
1.24 + for( i=0; maple_device_classes[i] != NULL; i++ ) {
1.25 + if( g_strcasecmp(maple_device_classes[i]->name, name ) == 0 )
1.26 + return maple_device_classes[i]->new_device();
1.27 + }
1.28 + return NULL;
1.29 +}
1.30 +
1.31 +dreamcast_config_entry_t maple_get_device_config( maple_device_t dev )
1.32 +{
1.33 + if( dev->get_config == NULL )
1.34 + return NULL;
1.35 + return dev->get_config(dev);
1.36 +}
1.37 +
1.38 /**
1.39 * Input data looks like this:
1.40 * 0: transfer control word
1.41 @@ -60,6 +79,14 @@
1.42 #define PUTBYTE(n,x) (buf[n] = (char)x)
1.43 #define PUTWORD(n,x) (*((uint32_t *)(return_buf+(n))) = (x))
1.44
1.45 +maple_device_t maple_get_device( unsigned int port, unsigned int periph ) {
1.46 + if( port >= 4 )
1.47 + return NULL;
1.48 + if( periph >= 6 )
1.49 + return NULL;
1.50 + return maple_devices[port][periph];
1.51 +}
1.52 +
1.53 void maple_handle_buffer( uint32_t address ) {
1.54 unsigned char *buf = (unsigned char *)mem_get_region(address);
1.55 if( buf == NULL ) {
1.56 @@ -242,5 +269,34 @@
1.57 } else {
1.58 maple_periph_mask[port] &= (~(1<<(periph-1)));
1.59 }
1.60 -
1.61 +
1.62 }
1.63 +
1.64 +void maple_detach_all() {
1.65 + int i, j;
1.66 + for( i=0; i<4; i++ ) {
1.67 + for( j=0; j<6; j++ ) {
1.68 + if( maple_devices[i][j] != NULL ) {
1.69 + maple_device_t dev = maple_devices[i][j];
1.70 + if( dev->detach != NULL )
1.71 + dev->detach(dev);
1.72 + if( dev->destroy != NULL )
1.73 + dev->destroy(dev);
1.74 + }
1.75 + }
1.76 + maple_periph_mask[i] = 0;
1.77 + }
1.78 +}
1.79 +
1.80 +void maple_reattach_all() {
1.81 + int i, j;
1.82 + for( i=0; i<4; i++ ) {
1.83 + for( j=0; j<6; j++ ) {
1.84 + if( maple_devices[i][j] != NULL ) {
1.85 + maple_device_t dev = maple_devices[i][j];
1.86 + if( dev->attach != NULL )
1.87 + dev->attach(dev);
1.88 + }
1.89 + }
1.90 + }
1.91 +}
.