1 /* SPDX-License-Identifier: GPL-2.0 */ <<
2 /* 1 /*
3 * <linux/patchkey.h> -- definition of _PATCHK 2 * <linux/patchkey.h> -- definition of _PATCHKEY macro
4 * 3 *
5 * Copyright (C) 2005 Stuart Brady 4 * Copyright (C) 2005 Stuart Brady
6 * 5 *
7 * This exists because awe_voice.h defined its 6 * This exists because awe_voice.h defined its own _PATCHKEY and it wasn't
8 * clear whether removing this would break any 7 * clear whether removing this would break anything in userspace.
9 * 8 *
10 * Do not include this file directly. Please 9 * Do not include this file directly. Please use <sys/soundcard.h> instead.
11 * For kernel code, use <linux/soundcard.h> 10 * For kernel code, use <linux/soundcard.h>
12 */ 11 */
>> 12
>> 13 #ifndef _LINUX_PATCHKEY_H_INDIRECT
>> 14 #error "patchkey.h included directly"
>> 15 #endif
>> 16
13 #ifndef _LINUX_PATCHKEY_H 17 #ifndef _LINUX_PATCHKEY_H
14 #define _LINUX_PATCHKEY_H 18 #define _LINUX_PATCHKEY_H
15 19
>> 20 /* Endian macros. */
>> 21 #ifdef __KERNEL__
16 # include <asm/byteorder.h> 22 # include <asm/byteorder.h>
17 #include <uapi/linux/patchkey.h> !! 23 #else
>> 24 # include <endian.h>
>> 25 #endif
18 26
>> 27 #if defined(__KERNEL__)
19 # if defined(__BIG_ENDIAN) 28 # if defined(__BIG_ENDIAN)
20 # define _PATCHKEY(id) (0xfd00|id) 29 # define _PATCHKEY(id) (0xfd00|id)
21 # elif defined(__LITTLE_ENDIAN) 30 # elif defined(__LITTLE_ENDIAN)
22 # define _PATCHKEY(id) ((id<<8)|0x00fd) 31 # define _PATCHKEY(id) ((id<<8)|0x00fd)
23 # else 32 # else
24 # error "could not determine byte order" 33 # error "could not determine byte order"
25 # endif 34 # endif
>> 35 #elif defined(__BYTE_ORDER)
>> 36 # if __BYTE_ORDER == __BIG_ENDIAN
>> 37 # define _PATCHKEY(id) (0xfd00|id)
>> 38 # elif __BYTE_ORDER == __LITTLE_ENDIAN
>> 39 # define _PATCHKEY(id) ((id<<8)|0x00fd)
>> 40 # else
>> 41 # error "could not determine byte order"
>> 42 # endif
>> 43 #endif
>> 44
26 #endif /* _LINUX_PATCHKEY_H */ 45 #endif /* _LINUX_PATCHKEY_H */
27 46
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