1 #ifndef CSR_MACRO_H__ 2 #define CSR_MACRO_H__ 3 /***************************************************************************** 4 5 (c) Cambridge Silicon Radio Limited 2010 6 All rights reserved and confidential information of CSR 7 8 Refer to LICENSE.txt included with this source for details 9 on the license terms. 10 11 *****************************************************************************/ 12 13 #include <linux/types.h> 14 15 #define FALSE (0) 16 #define TRUE (1) 17 18 /*------------------------------------------------------------------*/ 19 /* Endian conversion */ 20 /*------------------------------------------------------------------*/ 21 #define CSR_GET_UINT16_FROM_LITTLE_ENDIAN(ptr) (((u16) ((u8 *) (ptr))[0]) | ((u16) ((u8 *) (ptr))[1]) << 8) 22 #define CSR_GET_UINT32_FROM_LITTLE_ENDIAN(ptr) (((u32) ((u8 *) (ptr))[0]) | ((u32) ((u8 *) (ptr))[1]) << 8 | \ 23 ((u32) ((u8 *) (ptr))[2]) << 16 | ((u32) ((u8 *) (ptr))[3]) << 24) 24 #define CSR_COPY_UINT16_TO_LITTLE_ENDIAN(uint, ptr) ((u8 *) (ptr))[0] = ((u8) ((uint) & 0x00FF)); \ 25 ((u8 *) (ptr))[1] = ((u8) ((uint) >> 8)) 26 #define CSR_COPY_UINT32_TO_LITTLE_ENDIAN(uint, ptr) ((u8 *) (ptr))[0] = ((u8) ((uint) & 0x000000FF)); \ 27 ((u8 *) (ptr))[1] = ((u8) (((uint) >> 8) & 0x000000FF)); \ 28 ((u8 *) (ptr))[2] = ((u8) (((uint) >> 16) & 0x000000FF)); \ 29 ((u8 *) (ptr))[3] = ((u8) (((uint) >> 24) & 0x000000FF)) 30 31 /*------------------------------------------------------------------*/ 32 /* Misc */ 33 /*------------------------------------------------------------------*/ 34 /* Use this macro on unused local variables that cannot be removed (such as 35 unused function parameters). This will quell warnings from certain compilers 36 and static code analysis tools like Lint and Valgrind. */ 37 #define CSR_UNUSED(x) ((void) (x)) 38 39 #endif 40