diff options
Diffstat (limited to 'kernel/drivers/staging/sm750fb/sm750_help.h')
| -rw-r--r-- | kernel/drivers/staging/sm750fb/sm750_help.h | 79 |
1 files changed, 12 insertions, 67 deletions
diff --git a/kernel/drivers/staging/sm750fb/sm750_help.h b/kernel/drivers/staging/sm750fb/sm750_help.h index e0128d2a9..c070cf25a 100644 --- a/kernel/drivers/staging/sm750fb/sm750_help.h +++ b/kernel/drivers/staging/sm750fb/sm750_help.h @@ -1,29 +1,7 @@ #ifndef LYNX_HELP_H__ #define LYNX_HELP_H__ -/*****************************************************************************\ - * FIELD MACROS * -\*****************************************************************************/ - -#define _LSB(f) (0 ? f) -#define _MSB(f) (1 ? f) -#define _COUNT(f) (_MSB(f) - _LSB(f) + 1) - -#define RAW_MASK(f) (0xFFFFFFFF >> (32 - _COUNT(f))) -#define GET_MASK(f) (RAW_MASK(f) << _LSB(f)) -#define GET_FIELD(d,f) (((d) >> _LSB(f)) & RAW_MASK(f)) -#define TEST_FIELD(d,f,v) (GET_FIELD(d,f) == f ## _ ## v) -#define SET_FIELD(d,f,v) (((d) & ~GET_MASK(f)) | \ - (((f ## _ ## v) & RAW_MASK(f)) << _LSB(f))) -#define SET_FIELDV(d,f,v) (((d) & ~GET_MASK(f)) | \ - (((v) & RAW_MASK(f)) << _LSB(f))) - - -//////////////////////////////////////////////////////////////////////////////// -// // -// Internal macros // -// // -//////////////////////////////////////////////////////////////////////////////// +/* Internal macros */ #define _F_START(f) (0 ? f) #define _F_END(f) (1 ? f) #define _F_SIZE(f) (1 + _F_END(f) - _F_START(f)) @@ -31,78 +9,45 @@ #define _F_NORMALIZE(v, f) (((v) & _F_MASK(f)) >> _F_START(f)) #define _F_DENORMALIZE(v, f) (((v) << _F_START(f)) & _F_MASK(f)) - -//////////////////////////////////////////////////////////////////////////////// -// // -// Global macros // -// // -//////////////////////////////////////////////////////////////////////////////// - +/* Global macros */ #define FIELD_GET(x, reg, field) \ ( \ - _F_NORMALIZE((x), reg ## _ ## field) \ + _F_NORMALIZE((x), reg ## _ ## field) \ ) #define FIELD_SET(x, reg, field, value) \ ( \ - (x & ~_F_MASK(reg ## _ ## field)) \ - | _F_DENORMALIZE(reg ## _ ## field ## _ ## value, reg ## _ ## field) \ + (x & ~_F_MASK(reg ## _ ## field)) \ + | _F_DENORMALIZE(reg ## _ ## field ## _ ## value, reg ## _ ## field) \ ) #define FIELD_VALUE(x, reg, field, value) \ ( \ - (x & ~_F_MASK(reg ## _ ## field)) \ - | _F_DENORMALIZE(value, reg ## _ ## field) \ + (x & ~_F_MASK(reg ## _ ## field)) \ + | _F_DENORMALIZE(value, reg ## _ ## field) \ ) #define FIELD_CLEAR(reg, field) \ ( \ - ~ _F_MASK(reg ## _ ## field) \ + ~_F_MASK(reg ## _ ## field) \ ) - -//////////////////////////////////////////////////////////////////////////////// -// // -// Field Macros // -// // -//////////////////////////////////////////////////////////////////////////////// - +/* Field Macros */ #define FIELD_START(field) (0 ? field) #define FIELD_END(field) (1 ? field) #define FIELD_SIZE(field) (1 + FIELD_END(field) - FIELD_START(field)) #define FIELD_MASK(field) (((1 << (FIELD_SIZE(field)-1)) | ((1 << (FIELD_SIZE(field)-1)) - 1)) << FIELD_START(field)) -#define FIELD_NORMALIZE(reg, field) (((reg) & FIELD_MASK(field)) >> FIELD_START(field)) -#define FIELD_DENORMALIZE(field, value) (((value) << FIELD_START(field)) & FIELD_MASK(field)) - -#define FIELD_INIT(reg, field, value) FIELD_DENORMALIZE(reg ## _ ## field, \ - reg ## _ ## field ## _ ## value) -#define FIELD_INIT_VAL(reg, field, value) \ - (FIELD_DENORMALIZE(reg ## _ ## field, value)) -#define FIELD_VAL_SET(x, r, f, v) x = x & ~FIELD_MASK(r ## _ ## f) \ - | FIELD_DENORMALIZE(r ## _ ## f, r ## _ ## f ## _ ## v) - -#define RGB(r, g, b) \ -( \ - (unsigned long) (((r) << 16) | ((g) << 8) | (b)) \ -) - -#define RGB16(r, g, b) \ -( \ - (unsigned short) ((((r) & 0xF8) << 8) | (((g) & 0xFC) << 3) | (((b) & 0xF8) >> 3)) \ -) -static inline unsigned int absDiff(unsigned int a,unsigned int b) +static inline unsigned int absDiff(unsigned int a, unsigned int b) { - if(a<b) + if (a < b) return b-a; else return a-b; } /* n / d + 1 / 2 = (2n + d) / 2d */ -#define roundedDiv(num,denom) ((2 * (num) + (denom)) / (2 * (denom))) -#define MB(x) ((x)<<20) -#define KB(x) ((x)<<10) +#define roundedDiv(num, denom) ((2 * (num) + (denom)) / (2 * (denom))) #define MHz(x) ((x) * 1000000) |