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/* SPDX-License-Identifier: BSD-3-Clause
*
* Copyright 2017 NXP
*
*/
#ifndef __DPAA_BITS_H
#define __DPAA_BITS_H
/* Bitfield stuff. */
#define BITS_PER_ULONG (sizeof(unsigned long) << 3)
#define SHIFT_PER_ULONG (((1 << 5) == BITS_PER_ULONG) ? 5 : 6)
#define BITS_MASK(idx) (1UL << ((idx) & (BITS_PER_ULONG - 1)))
#define BITS_IDX(idx) ((idx) >> SHIFT_PER_ULONG)
static inline void dpaa_set_bits(unsigned long mask,
volatile unsigned long *p)
{
*p |= mask;
}
static inline void dpaa_set_bit(int idx, volatile unsigned long *bits)
{
dpaa_set_bits(BITS_MASK(idx), bits + BITS_IDX(idx));
}
static inline void dpaa_clear_bits(unsigned long mask,
volatile unsigned long *p)
{
*p &= ~mask;
}
static inline void dpaa_clear_bit(int idx,
volatile unsigned long *bits)
{
dpaa_clear_bits(BITS_MASK(idx), bits + BITS_IDX(idx));
}
#endif /* __DPAA_BITS_H */
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