[linux-2.6-block.git] / include / uapi / linux / patchkey.h

/*
 * <linux/patchkey.h> -- definition of _PATCHKEY macro
 *
 * Copyright (C) 2005 Stuart Brady
 *
 * This exists because awe_voice.h defined its own _PATCHKEY and it wasn't
 * clear whether removing this would break anything in userspace.
 *
 * Do not include this file directly.  Please use <sys/soundcard.h> instead.
 * For kernel code, use <linux/soundcard.h>
 */

#ifndef _LINUX_PATCHKEY_H_INDIRECT
#error "patchkey.h included directly"
#endif

#ifndef _UAPI_LINUX_PATCHKEY_H
#define _UAPI_LINUX_PATCHKEY_H

/* Endian macros. */
#ifndef __KERNEL__
#  include <endian.h>
#endif

#if !defined(__KERNEL__)
#if defined(__BYTE_ORDER)
#  if __BYTE_ORDER == __BIG_ENDIAN
#    define _PATCHKEY(id) (0xfd00|id)
#  elif __BYTE_ORDER == __LITTLE_ENDIAN
#    define _PATCHKEY(id) ((id<<8)|0x00fd)
#  else
#    error "could not determine byte order"
#  endif
#endif
#endif

#endif /* _UAPI_LINUX_PATCHKEY_H */
Commit	Line	Data
607ca46e DH	1	/*
	2	* <linux/patchkey.h> -- definition of _PATCHKEY macro
	3	*
	4	* Copyright (C) 2005 Stuart Brady
	5	*
	6	* This exists because awe_voice.h defined its own _PATCHKEY and it wasn't
	7	* clear whether removing this would break anything in userspace.
	8	*
	9	* Do not include this file directly. Please use <sys/soundcard.h> instead.
	10	* For kernel code, use <linux/soundcard.h>
	11	*/
	12
	13	#ifndef _LINUX_PATCHKEY_H_INDIRECT
	14	#error "patchkey.h included directly"
	15	#endif
	16
	17	#ifndef _UAPI_LINUX_PATCHKEY_H
	18	#define _UAPI_LINUX_PATCHKEY_H
	19
	20	/* Endian macros. */
	21	#ifndef __KERNEL__
	22	# include <endian.h>
	23	#endif
	24
	25	#if !defined(__KERNEL__)
	26	#if defined(__BYTE_ORDER)
	27	# if __BYTE_ORDER == __BIG_ENDIAN
	28	# define _PATCHKEY(id) (0xfd00\|id)
	29	# elif __BYTE_ORDER == __LITTLE_ENDIAN
	30	# define _PATCHKEY(id) ((id<<8)\|0x00fd)
	31	# else
	32	# error "could not determine byte order"
	33	# endif
	34	#endif
	35	#endif
	36
	37	#endif /* _UAPI_LINUX_PATCHKEY_H */