1 /* SPDX-License-Identifier: BSD-3-Clause 2 * 3 * Copyright(c) 2018 Intel Corporation. All rights reserved. 4 * 5 * Author: Liam Girdwood <liam.r.girdwood@linux.intel.com> 6 */ 7 8 #ifndef __SOF_BIT_H__ 9 #define __SOF_BIT_H__ 10 11 /* Zephyr defines this - remove local copy once Zephyr integration complete */ 12 #ifdef BIT 13 #undef BIT 14 #endif 15 16 #if ASSEMBLY 17 #define BIT(b) (1 << (b)) 18 #else 19 #define BIT(b) (1UL << (b)) 20 #endif 21 22 #define MASK(b_hi, b_lo) \ 23 (((1ULL << ((b_hi) - (b_lo) + 1ULL)) - 1ULL) << (b_lo)) 24 #define SET_BIT(b, x) (((x) & 1) << (b)) 25 #define SET_BITS(b_hi, b_lo, x) \ 26 (((x) & ((1ULL << ((b_hi) - (b_lo) + 1ULL)) - 1ULL)) << (b_lo)) 27 #define GET_BIT(b, x) \ 28 (((x) & (1ULL << (b))) >> (b)) 29 #define GET_BITS(b_hi, b_lo, x) \ 30 (((x) & MASK(b_hi, b_lo)) >> (b_lo)) 31 32 #endif /* __SOF_BIT_H__ */ 33
