diff options
Diffstat (limited to 'drivers/staging/sm750fb/sm750_help.h')
| -rw-r--r-- | drivers/staging/sm750fb/sm750_help.h | 40 |
1 files changed, 10 insertions, 30 deletions
diff --git a/drivers/staging/sm750fb/sm750_help.h b/drivers/staging/sm750fb/sm750_help.h index e0128d2a9ead..05777f72c166 100644 --- a/drivers/staging/sm750fb/sm750_help.h +++ b/drivers/staging/sm750fb/sm750_help.h @@ -1,29 +1,21 @@ #ifndef LYNX_HELP_H__ #define LYNX_HELP_H__ -/*****************************************************************************\ - * FIELD MACROS * -\*****************************************************************************/ +/* 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)) | \ +#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)) | \ +#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)) @@ -31,13 +23,7 @@ #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) \ @@ -60,13 +46,7 @@ ~ _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)) @@ -91,7 +71,7 @@ (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) return b-a; @@ -100,7 +80,7 @@ static inline unsigned int absDiff(unsigned int a,unsigned int b) } /* n / d + 1 / 2 = (2n + d) / 2d */ -#define roundedDiv(num,denom) ((2 * (num) + (denom)) / (2 * (denom))) +#define roundedDiv(num, denom) ((2 * (num) + (denom)) / (2 * (denom))) #define MB(x) ((x)<<20) #define KB(x) ((x)<<10) #define MHz(x) ((x) * 1000000) |