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