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-rw-r--r--bsd-core/drm_atomic.h88
1 files changed, 0 insertions, 88 deletions
diff --git a/bsd-core/drm_atomic.h b/bsd-core/drm_atomic.h
deleted file mode 100644
index 76de7a2f..00000000
--- a/bsd-core/drm_atomic.h
+++ /dev/null
@@ -1,88 +0,0 @@
-/**
- * \file drm_atomic.h
- * Atomic operations used in the DRM which may or may not be provided by the OS.
- *
- * \author Eric Anholt <anholt@FreeBSD.org>
- */
-
-/*-
- * Copyright 2004 Eric Anholt
- * All Rights Reserved.
- *
- * Permission is hereby granted, free of charge, to any person obtaining a
- * copy of this software and associated documentation files (the "Software"),
- * to deal in the Software without restriction, including without limitation
- * the rights to use, copy, modify, merge, publish, distribute, sublicense,
- * and/or sell copies of the Software, and to permit persons to whom the
- * Software is furnished to do so, subject to the following conditions:
- *
- * The above copyright notice and this permission notice (including the next
- * paragraph) shall be included in all copies or substantial portions of the
- * Software.
- *
- * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
- * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
- * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
- * VA LINUX SYSTEMS AND/OR ITS SUPPLIERS BE LIABLE FOR ANY CLAIM, DAMAGES OR
- * OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE,
- * ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR
- * OTHER DEALINGS IN THE SOFTWARE.
- */
-
-/* Many of these implementations are rather fake, but good enough. */
-
-typedef u_int32_t atomic_t;
-
-#define atomic_set(p, v) (*(p) = (v))
-#define atomic_read(p) (*(p))
-#define atomic_inc(p) atomic_add_int(p, 1)
-#define atomic_dec(p) atomic_subtract_int(p, 1)
-#define atomic_add(n, p) atomic_add_int(p, n)
-#define atomic_sub(n, p) atomic_subtract_int(p, n)
-
-static __inline atomic_t
-test_and_set_bit(int b, volatile void *p)
-{
- int s = splhigh();
- unsigned int m = 1<<b;
- unsigned int r = *(volatile int *)p & m;
- *(volatile int *)p |= m;
- splx(s);
- return r;
-}
-
-static __inline void
-clear_bit(int b, volatile void *p)
-{
- atomic_clear_int(((volatile int *)p) + (b >> 5), 1 << (b & 0x1f));
-}
-
-static __inline void
-set_bit(int b, volatile void *p)
-{
- atomic_set_int(((volatile int *)p) + (b >> 5), 1 << (b & 0x1f));
-}
-
-static __inline int
-test_bit(int b, volatile void *p)
-{
- return ((volatile int *)p)[b >> 5] & (1 << (b & 0x1f));
-}
-
-static __inline int
-find_first_zero_bit(volatile void *p, int max)
-{
- int b;
- volatile int *ptr = (volatile int *)p;
-
- for (b = 0; b < max; b += 32) {
- if (ptr[b >> 5] != ~0) {
- for (;;) {
- if ((ptr[b >> 5] & (1 << (b & 0x1f))) == 0)
- return b;
- b++;
- }
- }
- }
- return max;
-}