5 #define _LSB(f) (0 ? f)
6 #define _MSB(f) (1 ? f)
7 #define _COUNT(f) (_MSB(f) - _LSB(f) + 1)
9 #define RAW_MASK(f) (0xFFFFFFFF >> (32 - _COUNT(f)))
10 #define GET_MASK(f) (RAW_MASK(f) << _LSB(f))
11 #define GET_FIELD(d, f) (((d) >> _LSB(f)) & RAW_MASK(f))
12 #define TEST_FIELD(d, f, v) (GET_FIELD(d, f) == f ## _ ## v)
13 #define SET_FIELD(d, f, v) (((d) & ~GET_MASK(f)) | \
14 (((f ## _ ## v) & RAW_MASK(f)) << _LSB(f)))
15 #define SET_FIELDV(d, f, v) (((d) & ~GET_MASK(f)) | \
16 (((v) & RAW_MASK(f)) << _LSB(f)))
19 #define _F_START(f) (0 ? f)
20 #define _F_END(f) (1 ? f)
21 #define _F_SIZE(f) (1 + _F_END(f) - _F_START(f))
22 #define _F_MASK(f) (((1 << _F_SIZE(f)) - 1) << _F_START(f))
23 #define _F_NORMALIZE(v, f) (((v) & _F_MASK(f)) >> _F_START(f))
24 #define _F_DENORMALIZE(v, f) (((v) << _F_START(f)) & _F_MASK(f))
27 #define FIELD_GET(x, reg, field) \
29 _F_NORMALIZE((x), reg ## _ ## field) \
32 #define FIELD_SET(x, reg, field, value) \
34 (x & ~_F_MASK(reg ## _ ## field)) \
35 | _F_DENORMALIZE(reg ## _ ## field ## _ ## value, reg ## _ ## field) \
38 #define FIELD_VALUE(x, reg, field, value) \
40 (x & ~_F_MASK(reg ## _ ## field)) \
41 | _F_DENORMALIZE(value, reg ## _ ## field) \
44 #define FIELD_CLEAR(reg, field) \
46 ~ _F_MASK(reg ## _ ## field) \
50 #define FIELD_START(field) (0 ? field)
51 #define FIELD_END(field) (1 ? field)
52 #define FIELD_SIZE(field) (1 + FIELD_END(field) - FIELD_START(field))
53 #define FIELD_MASK(field) (((1 << (FIELD_SIZE(field)-1)) | ((1 << (FIELD_SIZE(field)-1)) - 1)) << FIELD_START(field))
54 #define FIELD_NORMALIZE(reg, field) (((reg) & FIELD_MASK(field)) >> FIELD_START(field))
55 #define FIELD_DENORMALIZE(field, value) (((value) << FIELD_START(field)) & FIELD_MASK(field))
57 #define FIELD_INIT(reg, field, value) FIELD_DENORMALIZE(reg ## _ ## field, \
58 reg ## _ ## field ## _ ## value)
59 #define FIELD_INIT_VAL(reg, field, value) \
60 (FIELD_DENORMALIZE(reg ## _ ## field, value))
61 #define FIELD_VAL_SET(x, r, f, v) x = x & ~FIELD_MASK(r ## _ ## f) \
62 | FIELD_DENORMALIZE(r ## _ ## f, r ## _ ## f ## _ ## v)
64 #define RGB(r, g, b) \
66 (unsigned long) (((r) << 16) | ((g) << 8) | (b)) \
69 #define RGB16(r, g, b) \
71 (unsigned short) ((((r) & 0xF8) << 8) | (((g) & 0xFC) << 3) | (((b) & 0xF8) >> 3)) \
74 static inline unsigned int absDiff(unsigned int a, unsigned int b)
82 /* n / d + 1 / 2 = (2n + d) / 2d */
83 #define roundedDiv(num, denom) ((2 * (num) + (denom)) / (2 * (denom)))
84 #define MB(x) ((x)<<20)
85 #define KB(x) ((x)<<10)
86 #define MHz(x) ((x) * 1000000)