5 #define _F_START(f) (0 ? f)
6 #define _F_END(f) (1 ? f)
7 #define _F_SIZE(f) (1 + _F_END(f) - _F_START(f))
8 #define _F_MASK(f) (((1 << _F_SIZE(f)) - 1) << _F_START(f))
9 #define _F_NORMALIZE(v, f) (((v) & _F_MASK(f)) >> _F_START(f))
10 #define _F_DENORMALIZE(v, f) (((v) << _F_START(f)) & _F_MASK(f))
13 #define FIELD_GET(x, reg, field) \
15 _F_NORMALIZE((x), reg ## _ ## field) \
18 #define FIELD_SET(x, reg, field, value) \
20 (x & ~_F_MASK(reg ## _ ## field)) \
21 | _F_DENORMALIZE(reg ## _ ## field ## _ ## value, reg ## _ ## field) \
24 #define FIELD_VALUE(x, reg, field, value) \
26 (x & ~_F_MASK(reg ## _ ## field)) \
27 | _F_DENORMALIZE(value, reg ## _ ## field) \
30 #define FIELD_CLEAR(reg, field) \
32 ~_F_MASK(reg ## _ ## field) \
36 #define FIELD_START(field) (0 ? field)
37 #define FIELD_END(field) (1 ? field)
38 #define FIELD_SIZE(field) (1 + FIELD_END(field) - FIELD_START(field))
39 #define FIELD_MASK(field) (((1 << (FIELD_SIZE(field)-1)) | ((1 << (FIELD_SIZE(field)-1)) - 1)) << FIELD_START(field))
41 static inline unsigned int absDiff(unsigned int a, unsigned int b)
49 /* n / d + 1 / 2 = (2n + d) / 2d */
50 #define roundedDiv(num, denom) ((2 * (num) + (denom)) / (2 * (denom)))
51 #define MHz(x) ((x) * 1000000)