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author | Mark Brown <broonie@kernel.org> | 2018-01-08 15:54:50 +0000 |
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committer | Mark Brown <broonie@kernel.org> | 2018-01-08 15:54:50 +0000 |
commit | 498495dba268b20e8eadd7fe93c140c68b6cc9d2 (patch) | |
tree | 00d1562049d8bc2194fddd9ba0cbbe0812ad6f68 /drivers/gpu/drm/amd/display/include/fixed32_32.h | |
parent | d5cc0a1fcbb5ddbef9fdd4c4a978da3254ddbf37 (diff) | |
parent | 5c256045b87b8aa8e5bc9d2e2fdc0802351c1f99 (diff) | |
download | linux-stable-498495dba268b20e8eadd7fe93c140c68b6cc9d2.tar.gz linux-stable-498495dba268b20e8eadd7fe93c140c68b6cc9d2.tar.bz2 linux-stable-498495dba268b20e8eadd7fe93c140c68b6cc9d2.zip |
Merge branch 'fix/intel' of https://git.kernel.org/pub/scm/linux/kernel/git/broonie/sound into asoc-intel
Diffstat (limited to 'drivers/gpu/drm/amd/display/include/fixed32_32.h')
-rw-r--r-- | drivers/gpu/drm/amd/display/include/fixed32_32.h | 129 |
1 files changed, 129 insertions, 0 deletions
diff --git a/drivers/gpu/drm/amd/display/include/fixed32_32.h b/drivers/gpu/drm/amd/display/include/fixed32_32.h new file mode 100644 index 000000000000..9c70341fe026 --- /dev/null +++ b/drivers/gpu/drm/amd/display/include/fixed32_32.h @@ -0,0 +1,129 @@ +/* + * Copyright 2012-15 Advanced Micro Devices, 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: AMD + * + */ + + +#ifndef __DAL_FIXED32_32_H__ +#define __DAL_FIXED32_32_H__ + +#include "os_types.h" + +struct fixed32_32 { + uint64_t value; +}; + +static const struct fixed32_32 dal_fixed32_32_zero = { 0 }; +static const struct fixed32_32 dal_fixed32_32_one = { 0x100000000LL }; +static const struct fixed32_32 dal_fixed32_32_half = { 0x80000000LL }; + +struct fixed32_32 dal_fixed32_32_from_fraction(uint32_t n, uint32_t d); +static inline struct fixed32_32 dal_fixed32_32_from_int(uint32_t value) +{ + struct fixed32_32 fx; + + fx.value = (uint64_t)value<<32; + return fx; +} + +struct fixed32_32 dal_fixed32_32_add( + struct fixed32_32 lhs, + struct fixed32_32 rhs); +struct fixed32_32 dal_fixed32_32_add_int( + struct fixed32_32 lhs, + uint32_t rhs); +struct fixed32_32 dal_fixed32_32_sub( + struct fixed32_32 lhs, + struct fixed32_32 rhs); +struct fixed32_32 dal_fixed32_32_sub_int( + struct fixed32_32 lhs, + uint32_t rhs); +struct fixed32_32 dal_fixed32_32_mul( + struct fixed32_32 lhs, + struct fixed32_32 rhs); +struct fixed32_32 dal_fixed32_32_mul_int( + struct fixed32_32 lhs, + uint32_t rhs); +struct fixed32_32 dal_fixed32_32_div( + struct fixed32_32 lhs, + struct fixed32_32 rhs); +struct fixed32_32 dal_fixed32_32_div_int( + struct fixed32_32 lhs, + uint32_t rhs); + +static inline struct fixed32_32 dal_fixed32_32_min(struct fixed32_32 lhs, + struct fixed32_32 rhs) +{ + return (lhs.value < rhs.value) ? lhs : rhs; +} + +static inline struct fixed32_32 dal_fixed32_32_max(struct fixed32_32 lhs, + struct fixed32_32 rhs) +{ + return (lhs.value > rhs.value) ? lhs : rhs; +} + +static inline bool dal_fixed32_32_gt(struct fixed32_32 lhs, struct fixed32_32 rhs) +{ + return lhs.value > rhs.value; +} + +static inline bool dal_fixed32_32_gt_int(struct fixed32_32 lhs, uint32_t rhs) +{ + return lhs.value > ((uint64_t)rhs<<32); +} + +static inline bool dal_fixed32_32_lt(struct fixed32_32 lhs, struct fixed32_32 rhs) +{ + return lhs.value < rhs.value; +} + +static inline bool dal_fixed32_32_lt_int(struct fixed32_32 lhs, uint32_t rhs) +{ + return lhs.value < ((uint64_t)rhs<<32); +} + +static inline bool dal_fixed32_32_le(struct fixed32_32 lhs, struct fixed32_32 rhs) +{ + return lhs.value <= rhs.value; +} + +static inline bool dal_fixed32_32_le_int(struct fixed32_32 lhs, uint32_t rhs) +{ + return lhs.value <= ((uint64_t)rhs<<32); +} + +static inline bool dal_fixed32_32_eq(struct fixed32_32 lhs, struct fixed32_32 rhs) +{ + return lhs.value == rhs.value; +} + +uint32_t dal_fixed32_32_ceil(struct fixed32_32 value); +static inline uint32_t dal_fixed32_32_floor(struct fixed32_32 value) +{ + return value.value>>32; +} + +uint32_t dal_fixed32_32_round(struct fixed32_32 value); + +#endif |