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Diffstat (limited to 'drivers/gpu/drm/radeon/radeon_fixed.h')
-rw-r--r--drivers/gpu/drm/radeon/radeon_fixed.h67
1 files changed, 0 insertions, 67 deletions
diff --git a/drivers/gpu/drm/radeon/radeon_fixed.h b/drivers/gpu/drm/radeon/radeon_fixed.h
deleted file mode 100644
index 3d4d84e078a..00000000000
--- a/drivers/gpu/drm/radeon/radeon_fixed.h
+++ /dev/null
@@ -1,67 +0,0 @@
-/*
- * Copyright 2009 Red Hat Inc.
- *
- * 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 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
- * THE COPYRIGHT HOLDER(S) OR AUTHOR(S) 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.
- *
- * Authors: Dave Airlie
- */
-#ifndef RADEON_FIXED_H
-#define RADEON_FIXED_H
-
-typedef union rfixed {
- u32 full;
-} fixed20_12;
-
-
-#define rfixed_const(A) (u32)(((A) << 12))/* + ((B + 0.000122)*4096)) */
-#define rfixed_const_half(A) (u32)(((A) << 12) + 2048)
-#define rfixed_const_666(A) (u32)(((A) << 12) + 2731)
-#define rfixed_const_8(A) (u32)(((A) << 12) + 3277)
-#define rfixed_mul(A, B) ((u64)((u64)(A).full * (B).full + 2048) >> 12)
-#define fixed_init(A) { .full = rfixed_const((A)) }
-#define fixed_init_half(A) { .full = rfixed_const_half((A)) }
-#define rfixed_trunc(A) ((A).full >> 12)
-
-static inline u32 rfixed_floor(fixed20_12 A)
-{
- u32 non_frac = rfixed_trunc(A);
-
- return rfixed_const(non_frac);
-}
-
-static inline u32 rfixed_ceil(fixed20_12 A)
-{
- u32 non_frac = rfixed_trunc(A);
-
- if (A.full > rfixed_const(non_frac))
- return rfixed_const(non_frac + 1);
- else
- return rfixed_const(non_frac);
-}
-
-static inline u32 rfixed_div(fixed20_12 A, fixed20_12 B)
-{
- u64 tmp = ((u64)A.full << 13);
-
- do_div(tmp, B.full);
- tmp += 1;
- tmp /= 2;
- return lower_32_bits(tmp);
-}
-#endif