diff options
Diffstat (limited to 'drivers/staging/csr/csr_macro.h')
| -rw-r--r-- | drivers/staging/csr/csr_macro.h | 114 |
1 files changed, 114 insertions, 0 deletions
diff --git a/drivers/staging/csr/csr_macro.h b/drivers/staging/csr/csr_macro.h new file mode 100644 index 000000000000..57cbfcb0619b --- /dev/null +++ b/drivers/staging/csr/csr_macro.h @@ -0,0 +1,114 @@ +#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 |