/* * sgicons.c: Setting up and registering console I/O on the SGI. * * Copyright (C) 1996 David S. Miller (dm@engr.sgi.com) * Copyright (C) 1997 Miguel de Icaza (miguel@nuclecu.unam.mx) * * This implement a virtual console interface. */ #include #include #include #include #include #include "gconsole.h" /* This is the system graphics console (the first adapter found) */ struct console_ops *gconsole = 0; struct console_ops *real_gconsole = 0; void enable_gconsole (void) { if (!gconsole) gconsole = real_gconsole; } void disable_gconsole (void) { if (gconsole){ real_gconsole = gconsole; gconsole = 0; } } EXPORT_SYMBOL(disable_gconsole); EXPORT_SYMBOL(enable_gconsole); void register_gconsole (struct console_ops *gc) { if (gconsole) return; gconsole = gc; }