2009-08-21 Roxana Leontie <roxana.leontie@gmail.com>

	* Makefile.am, preinstall.am, libmisc/Makefile.am: Changed the name of
	mw-fb directory into fb.  Relocated files.
	* libmisc/fb/fb.h, libmisc/fb/mw_uid.c, libmisc/fb/mw_uid.h: New files.
	* libmisc/mw-fb/fb.h, libmisc/mw-fb/mw_uid.c, libmisc/mw-fb/mw_uid.h:
	Removed.

1 files changed, 155 insertions, 0 deletions

diff --git a/cpukit/libmisc/fb/mw_uid.c b/cpukit/libmisc/fb/mw_uid.c
new file mode 100644
index 0000000000..dcf0e9d9cb
--- /dev/null
+++ b/cpukit/libmisc/fb/mw_uid.c
@@ -0,0 +1,155 @@
+/*
+ *
+ * Copyright (c) 2000 - Rosimildo da Silva
+ *
+ * MODULE DESCRIPTION:
+ * This module implements the input devices interface used by MicroWindows
+ * in an embedded system environment.
+ * It uses the RTEMS message queue as the repository for the messages posted
+ * by the devices registered.
+ *
+ *  $Id$
+ */
+
+#ifdef HAVE_CONFIG_H
+#include "config.h"
+#endif
+
+#include <stdio.h>
+#include <fcntl.h>
+#include <sys/ioctl.h>
+#include <errno.h>
+#include <rtems.h>
+
+#include <rtems/mw_uid.h>
+#include <rtems/seterr.h>
+
+static rtems_id   queue_id = 0;
+static int open_count = 0;
+
+/*
+#define MW_DEBUG_ON     1
+*/
+
+/* open a message queue with the kernel */
+int uid_open_queue( const char *q_name, int flags __attribute__((unused)), size_t max_msgs )
+{
+   static rtems_name queue_name;
+
+   /*
+    * For the first device calling this function we would create the queue.
+    * It is assumed that this call is done at initialization, and no concerns
+    * regarding multi-threading is taken in consideration here.
+    */
+   if( !open_count )
+   {
+      rtems_status_code status;
+      queue_name = rtems_build_name( q_name[0],
+                                     q_name[1],
+                                     q_name[2],
+                                     q_name[3] );
+      status = rtems_message_queue_create( queue_name,
+                                           max_msgs,
+                                           sizeof( struct MW_UID_MESSAGE ),
+                                           RTEMS_FIFO | RTEMS_LOCAL,
+                                           &queue_id );
+      if( status != RTEMS_SUCCESSFUL )
+      {
+#ifdef MW_DEBUG_ON
+        printk( "UID_Queue: error creating queue: %d\n", status );
+#endif
+        return -1;
+      }
+#ifdef MW_DEBUG_ON
+      printk( "UID_Queue: id=%X\n", queue_id );
+#endif
+   }
+   open_count++;
+   return 0;
+}
+
+
+/* close message queue */
+int uid_close_queue( void )
+{
+  if( open_count == 1 )
+  {
+     rtems_message_queue_delete( queue_id );
+     queue_id = 0;
+  }
+  open_count--;
+  return 0;
+}
+
+/* reads for a message from the device */
+int uid_read_message( struct MW_UID_MESSAGE *m, unsigned long timeout )
+{
+  rtems_status_code status;
+  size_t            size = 0;
+  unsigned long micro_secs = timeout*1000;
+  int wait = ( timeout != 0 );
+
+  status = rtems_message_queue_receive( queue_id,
+                                       (void*)m,
+                                       &size,
+                                       wait ? RTEMS_WAIT : RTEMS_NO_WAIT,
+                                       RTEMS_MICROSECONDS_TO_TICKS(micro_secs));
+
+  if( status == RTEMS_SUCCESSFUL )
+  {
+     return size;
+  }
+  else if( ( status == RTEMS_UNSATISFIED ) || ( status == RTEMS_TIMEOUT ) )
+  {
+     /* this macro returns -1 */
+     rtems_set_errno_and_return_minus_one( ETIMEDOUT );
+  }
+  /* Here we have one error condition */
+#ifdef MW_DEBUG_ON
+  printk( "UID_Queue: error reading queue: %d\n", status );
+#endif
+  return -1;
+}
+
+
+/*
+ * add a message to the queue of events. This method cna be used to
+ * simulate hardware events, and it can be very handy during development
+ * a new interface.
+ */
+int uid_send_message( struct MW_UID_MESSAGE *m )
+{
+  rtems_status_code status;
+  status = rtems_message_queue_send( queue_id, ( void * )m,
+                                    sizeof( struct MW_UID_MESSAGE ) );
+  return status == RTEMS_SUCCESSFUL ? 0 : -1;
+}
+
+/*
+ * register the device to insert events to the message
+ * queue named as the value passed in q_name
+ */
+int uid_register_device( int fd, const char *q_name )
+{
+  return ioctl( fd, MW_UID_REGISTER_DEVICE, q_name );
+}
+
+/* tell this device to stop adding events to the queue */
+int uid_unregister_device( int fd )
+{
+  return ioctl( fd, MW_UID_UNREGISTER_DEVICE, NULL );
+}
+
+/* set the keyboard */
+int uid_set_kbd_mode( int fd, int mode, int *old_mode )
+{
+   if (ioctl( fd, MV_KDGKBMODE, old_mode) < 0)
+   {
+      return -1;
+   }
+   if (ioctl(fd, MV_KDSKBMODE, mode ) < 0 )
+   {
+      return -1;
+   }
+   return 0;
+}