projects / mirror_ubuntu-bionic-kernel.git / blame
| Commit | Line | Data |
|---|---|---|
| 60d300c0 SB |
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 _LINUX_PATCHKEY_H | |
| 18 | #define _LINUX_PATCHKEY_H | |
| 19 | ||
| 20 | /* Endian macros. */ | |
| 21 | #ifdef __KERNEL__ | |
| 22 | # include <asm/byteorder.h> | |
| 23 | #else | |
| 24 | # include <endian.h> | |
| 25 | #endif | |
| 26 | ||
| 27 | #if defined(__KERNEL__) | |
| 28 | # if defined(__BIG_ENDIAN) | |
| 29 | # define _PATCHKEY(id) (0xfd00|id) | |
| 30 | # elif defined(__LITTLE_ENDIAN) | |
| 31 | # define _PATCHKEY(id) ((id<<8)|0x00fd) | |
| 32 | # else | |
| 33 | # error "could not determine byte order" | |
| 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 | ||
| 45 | #endif /* _LINUX_PATCHKEY_H */ |