[ALSA] oxygen: generalize handling of DAC volume limits
[linux/fpc-iii.git] / include / asm-x86 / delay.h
blob409a649204aa7308c8936d6cc08d4479222d6885
1 #ifndef _ASM_X86_DELAY_H
2 #define _ASM_X86_DELAY_H
4 /*
5 * Copyright (C) 1993 Linus Torvalds
7 * Delay routines calling functions in arch/x86/lib/delay.c
8 */
10 /* Undefined functions to get compile-time errors */
11 extern void __bad_udelay(void);
12 extern void __bad_ndelay(void);
14 extern void __udelay(unsigned long usecs);
15 extern void __ndelay(unsigned long nsecs);
16 extern void __const_udelay(unsigned long xloops);
17 extern void __delay(unsigned long loops);
19 /* 0x10c7 is 2**32 / 1000000 (rounded up) */
20 #define udelay(n) (__builtin_constant_p(n) ? \
21 ((n) > 20000 ? __bad_udelay() : __const_udelay((n) * 0x10c7ul)) : \
22 __udelay(n))
24 /* 0x5 is 2**32 / 1000000000 (rounded up) */
25 #define ndelay(n) (__builtin_constant_p(n) ? \
26 ((n) > 20000 ? __bad_ndelay() : __const_udelay((n) * 5ul)) : \
27 __ndelay(n))
29 void use_tsc_delay(void);
31 #endif /* _ASM_X86_DELAY_H */