aboutsummaryrefslogtreecommitdiff
path: root/i386/i386at/gpl/linux/linux_port.c
diff options
context:
space:
mode:
Diffstat (limited to 'i386/i386at/gpl/linux/linux_port.c')
-rw-r--r--i386/i386at/gpl/linux/linux_port.c79
1 files changed, 0 insertions, 79 deletions
diff --git a/i386/i386at/gpl/linux/linux_port.c b/i386/i386at/gpl/linux/linux_port.c
deleted file mode 100644
index 4a79c499..00000000
--- a/i386/i386at/gpl/linux/linux_port.c
+++ /dev/null
@@ -1,79 +0,0 @@
-/*
- * Linux I/O port management.
- * Copyright (C) 1995 Shantanu Goel.
- *
- * This program is free software; you can redistribute it and/or modify
- * it under the terms of the GNU General Public License as published by
- * the Free Software Foundation; either version 2, or (at your option)
- * any later version.
- *
- * This program is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
- * GNU General Public License for more details.
- *
- * You should have received a copy of the GNU General Public License
- * along with this program; if not, write to the Free Software
- * Foundation, 675 Mass Ave, Cambridge, MA 02139, USA.
- */
-
-#include <linux/ioport.h>
-
-#define NPORTS 65536
-#define BITS_PER_WORD 32
-#define NWORDS (NPORTS / BITS_PER_WORD)
-
-/*
- * This bitmap keeps track of all allocated ports.
- * A bit is set if the port has been allocated.
- */
-static unsigned port_bitmap[NWORDS];
-
-void snarf_region(unsigned, unsigned);
-
-/*
- * Check if a region is available for use.
- */
-int
-check_region(unsigned port, unsigned size)
-{
- unsigned i;
-
- for (i = port; i < port + size; i++)
- if (port_bitmap[i/BITS_PER_WORD] & (1 << (i%BITS_PER_WORD)))
- return (1);
- return (0);
-}
-
-/*
- * Allocate a region.
- */
-void
-request_region(unsigned port, unsigned size, const char *name)
-{
- unsigned i;
-
- for (i = port; i < port + size; i++)
- port_bitmap[i / BITS_PER_WORD] |= 1 << (i % BITS_PER_WORD);
-}
-
-/*
- * For compatibility with older kernels.
- */
-void
-snarf_region(unsigned port, unsigned size)
-{
- request_region(port, size, 0);
-}
-
-/*
- * Deallocate a region.
- */
-void
-release_region(unsigned port, unsigned size)
-{
- unsigned i;
-
- for (i = port; i < port + size; i++)
- port_bitmap[i / BITS_PER_WORD] &= ~(1 << (i % BITS_PER_WORD));
-}