| #ifndef CSR_MACRO_H__ |
| #define CSR_MACRO_H__ |
| /***************************************************************************** |
| |
| (c) Cambridge Silicon Radio Limited 2010 |
| All rights reserved and confidential information of CSR |
| |
| Refer to LICENSE.txt included with this source for details |
| on the license terms. |
| |
| *****************************************************************************/ |
| |
| #include <linux/types.h> |
| |
| #ifdef __cplusplus |
| extern "C" { |
| #endif |
| |
| #define FALSE (0) |
| #define TRUE (1) |
| |
| /*------------------------------------------------------------------*/ |
| /* Bits - intended to operate on u32 values */ |
| /*------------------------------------------------------------------*/ |
| #define CSR_MASK_IS_SET(val, mask) (((val) & (mask)) == (mask)) |
| #define CSR_MASK_IS_UNSET(val, mask) ((((val) & (mask)) ^ mask) == (mask)) |
| #define CSR_MASK_SET(val, mask) ((val) |= (mask)) |
| #define CSR_MASK_UNSET(val, mask) ((val) = ((val) ^ (mask)) & (val)) /* Unsets the bits in val that are set in mask */ |
| #define CSR_BIT_IS_SET(val, bit) ((u8) ((((val) & (1UL << (bit))) != 0))) |
| #define CSR_BIT_SET(val, bit) ((val) |= (1UL << (bit))) |
| #define CSR_BIT_UNSET(val, bit) ((val) &= ~(1UL << (bit))) |
| #define CSR_BIT_TOGGLE(val, bit) ((val) ^= (1UL << (bit))) |
| |
| /*------------------------------------------------------------------*/ |
| /* Endian conversion */ |
| /*------------------------------------------------------------------*/ |
| #define CSR_GET_UINT16_FROM_LITTLE_ENDIAN(ptr) (((u16) ((u8 *) (ptr))[0]) | ((u16) ((u8 *) (ptr))[1]) << 8) |
| #define CSR_GET_UINT32_FROM_LITTLE_ENDIAN(ptr) (((u32) ((u8 *) (ptr))[0]) | ((u32) ((u8 *) (ptr))[1]) << 8 | \ |
| ((u32) ((u8 *) (ptr))[2]) << 16 | ((u32) ((u8 *) (ptr))[3]) << 24) |
| #define CSR_COPY_UINT16_TO_LITTLE_ENDIAN(uint, ptr) ((u8 *) (ptr))[0] = ((u8) ((uint) & 0x00FF)); \ |
| ((u8 *) (ptr))[1] = ((u8) ((uint) >> 8)) |
| #define CSR_COPY_UINT32_TO_LITTLE_ENDIAN(uint, ptr) ((u8 *) (ptr))[0] = ((u8) ((uint) & 0x000000FF)); \ |
| ((u8 *) (ptr))[1] = ((u8) (((uint) >> 8) & 0x000000FF)); \ |
| ((u8 *) (ptr))[2] = ((u8) (((uint) >> 16) & 0x000000FF)); \ |
| ((u8 *) (ptr))[3] = ((u8) (((uint) >> 24) & 0x000000FF)) |
| #define CSR_GET_UINT16_FROM_BIG_ENDIAN(ptr) (((u16) ((u8 *) (ptr))[1]) | ((u16) ((u8 *) (ptr))[0]) << 8) |
| #define CSR_GET_UINT24_FROM_BIG_ENDIAN(ptr) (((u32) ((u8 *) (ptr))[2]) | \ |
| ((u32) ((u8 *) (ptr))[1]) << 8 | ((u32) ((u8 *) (ptr))[0]) << 16) |
| #define CSR_GET_UINT32_FROM_BIG_ENDIAN(ptr) (((u32) ((u8 *) (ptr))[3]) | ((u32) ((u8 *) (ptr))[2]) << 8 | \ |
| ((u32) ((u8 *) (ptr))[1]) << 16 | ((u32) ((u8 *) (ptr))[0]) << 24) |
| #define CSR_COPY_UINT16_TO_BIG_ENDIAN(uint, ptr) ((u8 *) (ptr))[1] = ((u8) ((uint) & 0x00FF)); \ |
| ((u8 *) (ptr))[0] = ((u8) ((uint) >> 8)) |
| #define CSR_COPY_UINT24_TO_BIG_ENDIAN(uint, ptr) ((u8 *) (ptr))[2] = ((u8) ((uint) & 0x000000FF)); \ |
| ((u8 *) (ptr))[1] = ((u8) (((uint) >> 8) & 0x000000FF)); \ |
| ((u8 *) (ptr))[0] = ((u8) (((uint) >> 16) & 0x000000FF)) |
| #define CSR_COPY_UINT32_TO_BIG_ENDIAN(uint, ptr) ((u8 *) (ptr))[3] = ((u8) ((uint) & 0x000000FF)); \ |
| ((u8 *) (ptr))[2] = ((u8) (((uint) >> 8) & 0x000000FF)); \ |
| ((u8 *) (ptr))[1] = ((u8) (((uint) >> 16) & 0x000000FF)); \ |
| ((u8 *) (ptr))[0] = ((u8) (((uint) >> 24) & 0x000000FF)) |
| |
| /*------------------------------------------------------------------*/ |
| /* XAP conversion macros */ |
| /*------------------------------------------------------------------*/ |
| |
| #define CSR_LSB16(a) ((u8) ((a) & 0x00ff)) |
| #define CSR_MSB16(b) ((u8) ((b) >> 8)) |
| |
| #define CSR_CONVERT_8_FROM_XAP(output, input) \ |
| (output) = ((u8) (input));(input) += 2 |
| |
| #define CSR_CONVERT_16_FROM_XAP(output, input) \ |
| (output) = (u16) ((((u16) (input)[1]) << 8) | \ |
| ((u16) (input)[0]));(input) += 2 |
| |
| #define CSR_CONVERT_32_FROM_XAP(output, input) \ |
| (output) = (((u32) (input)[1]) << 24) | \ |
| (((u32) (input)[0]) << 16) | \ |
| (((u32) (input)[3]) << 8) | \ |
| ((u32) (input)[2]);input += 4 |
| |
| #define CSR_ADD_UINT8_TO_XAP(output, input) \ |
| (output)[0] = (input); \ |
| (output)[1] = 0;(output) += 2 |
| |
| #define CSR_ADD_UINT16_TO_XAP(output, input) \ |
| (output)[0] = ((u8) ((input) & 0x00FF)); \ |
| (output)[1] = ((u8) ((input) >> 8));(output) += 2 |
| |
| #define CSR_ADD_UINT32_TO_XAP(output, input) \ |
| (output)[0] = ((u8) (((input) >> 16) & 0x00FF)); \ |
| (output)[1] = ((u8) ((input) >> 24)); \ |
| (output)[2] = ((u8) ((input) & 0x00FF)); \ |
| (output)[3] = ((u8) (((input) >> 8) & 0x00FF));(output) += 4 |
| |
| /*------------------------------------------------------------------*/ |
| /* Misc */ |
| /*------------------------------------------------------------------*/ |
| #define CSRMAX(a, b) (((a) > (b)) ? (a) : (b)) |
| #define CSRMIN(a, b) (((a) < (b)) ? (a) : (b)) |
| |
| /* Use this macro on unused local variables that cannot be removed (such as |
| unused function parameters). This will quell warnings from certain compilers |
| and static code analysis tools like Lint and Valgrind. */ |
| #define CSR_UNUSED(x) ((void) (x)) |
| |
| #define CSR_TOUPPER(character) (((character) >= 'a') && ((character) <= 'z') ? ((character) - 0x20) : (character)) |
| #define CSR_TOLOWER(character) (((character) >= 'A') && ((character) <= 'Z') ? ((character) + 0x20) : (character)) |
| #define CSR_ARRAY_SIZE(x) (sizeof(x) / sizeof(*(x))) |
| |
| #ifdef __cplusplus |
| } |
| #endif |
| |
| #endif |