/** @file wl_macros.h
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*
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* @brief Common macros are defined here. Must include "wltypes.h" before this file
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*
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* Copyright (C) 2014-2017, Marvell International Ltd.
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*
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* This software file (the "File") is distributed by Marvell International
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* Ltd. under the terms of the GNU General Public License Version 2, June 1991
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* (the "License"). You may use, redistribute and/or modify this File in
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* accordance with the terms and conditions of the License, a copy of which
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* is available by writing to the Free Software Foundation, Inc.,
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* 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA or on the
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* worldwide web at http://www.gnu.org/licenses/old-licenses/gpl-2.0.txt.
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*
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* THE FILE IS DISTRIBUTED AS-IS, WITHOUT WARRANTY OF ANY KIND, AND THE
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* IMPLIED WARRANTIES OF MERCHANTABILITY OR FITNESS FOR A PARTICULAR PURPOSE
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* ARE EXPRESSLY DISCLAIMED. The License provides additional details about
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* this warranty disclaimer.
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*/
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/******************************************************
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Change log:
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03/07/2014: Initial version
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******************************************************/
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#if !defined(WL_MACROS_H__)
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#define WL_MACROS_H__
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#define MACRO_START do {
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#define MACRO_END } while (0)
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#define WL_REGS8(x) (*(volatile unsigned char *)(x))
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#define WL_REGS16(x) (*(volatile unsigned short *)(x))
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#define WL_REGS32(x) (*(volatile unsigned int *)(x))
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#define WL_READ_REGS8(reg,val) ((val) = WL_REGS8(reg))
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#define WL_READ_REGS16(reg,val) ((val) = WL_REGS16(reg))
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#define WL_READ_REGS32(reg,val) ((val) = WL_REGS32(reg))
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#define WL_READ_BYTE(reg,val) ((val) = WL_REGS8(reg))
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#define WL_READ_HWORD(reg,val) ((val) = WL_REGS16(reg)) /*half word; */
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/*16bits */
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#define WL_READ_WORD(reg,val) ((val) = WL_REGS32(reg)) /*32 bits */
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#define WL_WRITE_REGS8(reg,val) (WL_REGS8(reg) = (val))
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#define WL_WRITE_REGS16(reg,val) (WL_REGS16(reg) = (val))
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#define WL_WRITE_REGS32(reg,val) (WL_REGS32(reg) = (val))
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#define WL_WRITE_BYTE(reg,val) (WL_REGS8(reg) = (val))
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#define WL_WRITE_HWORD(reg,val) (WL_REGS16(reg) = (val)) /*half word; */
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/*16bits */
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#define WL_WRITE_WORD(reg,val) (WL_REGS32(reg) = (val)) /*32 bits */
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#define WL_REGS8_SETBITS(reg, val) (WL_REGS8(reg) |= (UINT8)(val))
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#define WL_REGS16_SETBITS(reg, val) (WL_REGS16(reg) |= (UINT16)(val))
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#define WL_REGS32_SETBITS(reg, val) (WL_REGS32(reg) |= (val))
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#define WL_REGS8_CLRBITS(reg, val) (WL_REGS8(reg) = \
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(UINT8)(WL_REGS8(reg)&~(val)))
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#define WL_REGS16_CLRBITS(reg, val) (WL_REGS16(reg) = \
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(UINT16)(WL_REGS16(reg)&~(val)))
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#define WL_REGS32_CLRBITS(reg, val) (WL_REGS32(reg) = \
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(WL_REGS32(reg)&~(val)))
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#define WL_WRITE_CHUNK(dst, src, length) (memcpy((void*) (dst), \
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(void*) (src), (length)))
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/*!
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* Bitmask macros
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*/
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#define WL_BITMASK(nbits) ((0x1 << nbits) - 1)
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/*!
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* Macro to put the WLAN SoC into sleep mode
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*/
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#define WL_GO_TO_SLEEP asm volatile ("MCR p15, 0, r3, c7, c0, 4;")
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/*!
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* BE vs. LE macros
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*/
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#ifdef BE /* Big Endian */
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#define SHORT_SWAP(X) (X)
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#define WORD_SWAP(X) (X)
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#define LONG_SWAP(X) ((l64)(X))
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#else /* Little Endian */
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#define SHORT_SWAP(X) ((X <<8 ) | (X >> 8)) //!< swap bytes in a 16 bit short
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#define WORD_SWAP(X) (((X)&0xff)<<24)+ \
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(((X)&0xff00)<<8)+ \
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(((X)&0xff0000)>>8)+ \
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(((X)&0xff000000)>>24) //!< swap bytes in a 32 bit word
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#define LONG_SWAP(X) ( (l64) (((X)&0xffULL)<<56)+ \
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(((X)&0xff00ULL)<<40)+ \
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(((X)&0xff0000ULL)<<24)+ \
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(((X)&0xff000000ULL)<<8)+ \
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(((X)&0xff00000000ULL)>>8)+ \
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(((X)&0xff0000000000ULL)>>24)+ \
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(((X)&0xff000000000000ULL)>>40)+ \
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(((X)&0xff00000000000000ULL)>>56)) //!< swap bytes in a 64 bit long
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#endif
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/*!
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* Alignment macros
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*/
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#define ALIGN4(x) (((x) + 3) & ~3)
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#define ALIGN4BYTE(x) (x=ALIGN4(x))
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#define ROUNDUP4US(x) (ALIGN4(x))
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#ifndef min
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#define min(a,b) (((a) < (b)) ? (a) : (b))
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#endif
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#ifndef max
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#define max(a,b) (((a) > (b)) ? (a) : (b))
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#endif
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#ifndef MIN
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#define MIN(a,b) (((a) < (b)) ? (a) : (b))
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#endif
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#ifndef MAX
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#define MAX(a,b) (((a) > (b)) ? (a) : (b))
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#endif
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#ifndef NELEMENTS
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#define NELEMENTS(x) (sizeof(x)/sizeof(x[0]))
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#endif
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#define HWORD_LOW_BYTE(x) ((x) & 0xFF)
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#define HWORD_HIGH_BYTE(x) (((x) >> 8) & 0xFF)
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#define htons(x) (UINT16)SHORT_SWAP(x)
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#define htonl(x) (UINT32)WORD_SWAP(x)
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#define ntohs(x) (UINT16)SHORT_SWAP(x)
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#define ntohl(x) (UINT32)WORD_SWAP(x)
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#define CEIL_aByb(a, b) ((a + b - 1) / b)
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#endif /* _WL_MACROS_H_ */
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