mirror of
https://github.com/proski/madwifi
synced 2024-11-24 23:40:00 +03:00
a252469c71
git-svn-id: http://madwifi-project.org/svn/madwifi/trunk@4107 0192ed92-7a03-0410-a25b-9323aeb14dbd
272 lines
9.8 KiB
C
272 lines
9.8 KiB
C
/*-
|
|
* Copyright (c) 2002-2006 Sam Leffler, Errno Consulting
|
|
* All rights reserved.
|
|
*
|
|
* Redistribution and use in source and binary forms, with or without
|
|
* modification, are permitted provided that the following conditions
|
|
* are met:
|
|
* 1. Redistributions of source code must retain the above copyright
|
|
* notice, this list of conditions and the following disclaimer,
|
|
* without modification.
|
|
* 2. Redistributions in binary form must reproduce at minimum a disclaimer
|
|
* similar to the "NO WARRANTY" disclaimer below ("Disclaimer") and any
|
|
* redistribution must be conditioned upon including a substantially
|
|
* similar Disclaimer requirement for further binary redistribution.
|
|
* 3. Neither the names of the above-listed copyright holders nor the names
|
|
* of any contributors may be used to endorse or promote products derived
|
|
* from this software without specific prior written permission.
|
|
*
|
|
* Alternatively, this software may be distributed under the terms of the
|
|
* GNU General Public License ("GPL") version 2 as published by the Free
|
|
* Software Foundation.
|
|
*
|
|
* NO WARRANTY
|
|
* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
|
|
* ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
|
|
* LIMITED TO, THE IMPLIED WARRANTIES OF NONINFRINGEMENT, MERCHANTIBILITY
|
|
* AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL
|
|
* THE COPYRIGHT HOLDERS OR CONTRIBUTORS BE LIABLE FOR SPECIAL, EXEMPLARY,
|
|
* OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
|
|
* SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
|
|
* INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER
|
|
* IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
|
|
* ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF
|
|
* THE POSSIBILITY OF SUCH DAMAGES.
|
|
*
|
|
* $Id$
|
|
*/
|
|
#ifndef _ATH_AH_OSDEP_H_
|
|
#define _ATH_AH_OSDEP_H_
|
|
|
|
#include <asm/io.h>
|
|
#include "ah_devid.h"
|
|
|
|
#define __ahdecl
|
|
#ifndef __packed
|
|
#define __packed __attribute__((__packed__))
|
|
#endif
|
|
#ifndef __used
|
|
#define __used __attribute__((__used__))
|
|
#endif
|
|
|
|
/* Replace void pointers from ah.h with safer specific types */
|
|
#define HAL_SOFTC struct ath_softc *
|
|
#define HAL_BUS_HANDLE void __iomem *
|
|
#define HAL_BUS_TAG struct ar531x_config *
|
|
|
|
/* Linker-assisted set support */
|
|
#define __STRING(x) #x
|
|
|
|
#define DECLARE_ah_chips \
|
|
struct ath_hal_chip *AR5210_chip_ptr __attribute__((__weak__)); \
|
|
struct ath_hal_chip *AR5211_chip_ptr __attribute__((__weak__)); \
|
|
struct ath_hal_chip *AR5212_chip_ptr __attribute__((__weak__)); \
|
|
struct ath_hal_chip *AR5312_chip_ptr __attribute__((__weak__)); \
|
|
struct ath_hal_chip *AR5416_chip_ptr __attribute__((__weak__)); \
|
|
struct ath_hal_chip *AR9160_chip_ptr __attribute__((__weak__)); \
|
|
struct ath_hal_chip *AR9280_chip_ptr __attribute__((__weak__)); \
|
|
struct ath_hal_chip *const *ah_chips_ptrs[] = { \
|
|
&AR5210_chip_ptr, \
|
|
&AR5211_chip_ptr, \
|
|
&AR5212_chip_ptr, \
|
|
&AR5312_chip_ptr, \
|
|
&AR5416_chip_ptr, \
|
|
&AR9160_chip_ptr, \
|
|
&AR9280_chip_ptr, \
|
|
NULL \
|
|
}
|
|
|
|
#define DECLARE_ah_rfs \
|
|
struct ath_hal_rf *RF2316_rf_ptr __attribute__((__weak__)); \
|
|
struct ath_hal_rf *RF2317_rf_ptr __attribute__((__weak__)); \
|
|
struct ath_hal_rf *RF2413_rf_ptr __attribute__((__weak__)); \
|
|
struct ath_hal_rf *RF2425_rf_ptr __attribute__((__weak__)); \
|
|
struct ath_hal_rf *RF5111_rf_ptr __attribute__((__weak__)); \
|
|
struct ath_hal_rf *RF5112_rf_ptr __attribute__((__weak__)); \
|
|
struct ath_hal_rf *RF5413_rf_ptr __attribute__((__weak__)); \
|
|
struct ath_hal_rf *const *ah_rfs_ptrs[] = { \
|
|
&RF2316_rf_ptr, \
|
|
&RF2317_rf_ptr, \
|
|
&RF2413_rf_ptr, \
|
|
&RF2425_rf_ptr, \
|
|
&RF5111_rf_ptr, \
|
|
&RF5112_rf_ptr, \
|
|
&RF5413_rf_ptr, \
|
|
NULL \
|
|
}
|
|
|
|
#define OS_SET_DECLARE(set, ptype) \
|
|
DECLARE_##set
|
|
|
|
#define OS_DATA_SET(set, sym) \
|
|
typeof(sym) *sym##_ptr = &sym
|
|
|
|
#define OS_SET_FOREACH(pvar, set) \
|
|
typeof(pvar) *ppvar = set##_ptrs; \
|
|
for (pvar = *ppvar; pvar; pvar = *++ppvar) if (*pvar)
|
|
|
|
/* Byte order/swapping support. */
|
|
#define AH_LITTLE_ENDIAN 1234
|
|
#define AH_BIG_ENDIAN 4321
|
|
|
|
#ifndef AH_BYTE_ORDER
|
|
/*
|
|
* When the .inc file is not available (e.g. when building in the kernel source
|
|
* tree), look for some other way to determine the host byte order.
|
|
*/
|
|
#ifdef __LITTLE_ENDIAN
|
|
#define AH_BYTE_ORDER AH_LITTLE_ENDIAN
|
|
#endif
|
|
#ifdef __BIG_ENDIAN
|
|
#define AH_BYTE_ORDER AH_BIG_ENDIAN
|
|
#endif
|
|
#ifndef AH_BYTE_ORDER
|
|
#error "Do not know host byte order"
|
|
#endif
|
|
#endif /* AH_BYTE_ORDER */
|
|
|
|
/* 32-bit sparc gets iowrite32() and ioread32() in Linux 2.6.18 */
|
|
#if (defined(CONFIG_SPARC32) && (LINUX_VERSION_CODE < KERNEL_VERSION(2,6,18)))
|
|
#ifndef iowrite32
|
|
#define iowrite32(_val, _addr) writel(_val, _addr)
|
|
#endif
|
|
#ifndef ioread32
|
|
#define ioread32(_addr) readl(_addr)
|
|
#endif
|
|
#endif
|
|
|
|
/*
|
|
* The HAL programs big-endian platforms to use byte-swapped hardware registers.
|
|
* This is done to avoid the byte swapping needed to access PCI devices.
|
|
*
|
|
* Many big-endian architectures provide I/O functions that avoid byte swapping.
|
|
* We use them when possible. Otherwise, we provide replacements. The downside
|
|
* or the replacements is that we may be byte-swapping data twice, so we try to
|
|
* avoid it.
|
|
*
|
|
* We use raw access for Linux prior to 2.6.12. For newer version, we need to
|
|
* use ioread32() and iowrite32(), which would take care of indirect access to
|
|
* the registers.
|
|
*/
|
|
#if (LINUX_VERSION_CODE >= KERNEL_VERSION(2,6,12)) && \
|
|
(AH_BYTE_ORDER == AH_BIG_ENDIAN) && \
|
|
!defined(CONFIG_GENERIC_IOMAP) && \
|
|
!defined(CONFIG_PARISC) && \
|
|
!(defined(CONFIG_PPC64) && \
|
|
(LINUX_VERSION_CODE >= KERNEL_VERSION(2,6,14))) && \
|
|
!(defined(CONFIG_PPC_MERGE) && \
|
|
(LINUX_VERSION_CODE >= KERNEL_VERSION(2,6,20))) && \
|
|
!(defined(CONFIG_PPC32) && \
|
|
(LINUX_VERSION_CODE >= KERNEL_VERSION(2,6,27))) && \
|
|
!(defined(CONFIG_MIPS) && \
|
|
(LINUX_VERSION_CODE >= KERNEL_VERSION(2,6,21)))
|
|
# ifndef iowrite32be
|
|
# define iowrite32be(_val, _addr) iowrite32(swab32((_val)), (_addr))
|
|
# endif
|
|
# ifndef ioread32be
|
|
# define ioread32be(_addr) swab32(ioread32((_addr)))
|
|
# endif
|
|
#endif
|
|
|
|
/*
|
|
* The register accesses are done using target-specific functions when
|
|
* debugging is enabled (AH_DEBUG) or it's explicitly requested for the target.
|
|
*
|
|
* The hardware registers use little-endian byte order natively. Big-endian
|
|
* systems are configured by HAL to byte-swap of register reads and writes.
|
|
* However, the registers in the areas 0x4000-0x4fff and 0x7000-0x7fff are not
|
|
* byte swapped!
|
|
*
|
|
* Since Linux I/O primitives default to little-endian operations, we only
|
|
* need to suppress byte-swapping on big-endian systems outside the area used
|
|
* by the PCI clock domain registers.
|
|
*/
|
|
#if (AH_BYTE_ORDER == AH_BIG_ENDIAN)
|
|
# define is_reg_le(__reg) ((0x4000 <= (__reg) && (__reg) < 0x5000) || \
|
|
(0x7000 <= (__reg) && (__reg) < 0x8000))
|
|
# if LINUX_VERSION_CODE >= KERNEL_VERSION(2,6,12)
|
|
# define _OS_REG_WRITE(_ah, _reg, _val) do { \
|
|
if (is_reg_le(_reg)) \
|
|
iowrite32((_val), (_ah)->ah_sh + (_reg)); \
|
|
else \
|
|
iowrite32be((_val), (_ah)->ah_sh + (_reg)); \
|
|
} while (0)
|
|
# define _OS_REG_READ(_ah, _reg) \
|
|
(is_reg_le(_reg) ? \
|
|
ioread32((_ah)->ah_sh + (_reg)) : \
|
|
ioread32be((_ah)->ah_sh + (_reg)))
|
|
# else /* Linux < 2.6.12 */
|
|
# define _OS_REG_WRITE(_ah, _reg, _val) do { \
|
|
writel(is_reg_le(_reg) ? \
|
|
(_val) : cpu_to_le32(_val), \
|
|
(_ah)->ah_sh + (_reg)); \
|
|
} while (0)
|
|
# define _OS_REG_READ(_ah, _reg) \
|
|
(is_reg_le(_reg) ? \
|
|
readl((_ah)->ah_sh + (_reg)) : \
|
|
cpu_to_le32(readl((_ah)->ah_sh + (_reg))))
|
|
# endif /* Linux < 2.6.12 */
|
|
#else /* Little endian */
|
|
# if LINUX_VERSION_CODE >= KERNEL_VERSION(2,6,12)
|
|
# define _OS_REG_WRITE(_ah, _reg, _val) do { \
|
|
iowrite32((_val), (_ah)->ah_sh + (_reg)); \
|
|
} while (0)
|
|
# define _OS_REG_READ(_ah, _reg) \
|
|
ioread32((_ah)->ah_sh + (_reg))
|
|
# else /* Linux < 2.6.12 */
|
|
# define _OS_REG_WRITE(_ah, _reg, _val) do { \
|
|
writel((_val), (_ah)->ah_sh + (_reg)); \
|
|
} while (0)
|
|
# define _OS_REG_READ(_ah, _reg) \
|
|
readl((_ah)->ah_sh + (_reg))
|
|
# endif /* Linux < 2.6.12 */
|
|
#endif /* Little endian */
|
|
|
|
/*
|
|
* The functions in this section are not intended to be invoked by MadWifi
|
|
* driver code, but by the HAL. They are NOT safe to call directly when the
|
|
* sc->sc_hal_lock is not held. Use ath_reg_read and ATH_REG_WRITE instead!
|
|
*/
|
|
#if defined(AH_DEBUG) || defined(AH_REGOPS_FUNC) || defined(AH_DEBUG_ALQ)
|
|
#define OS_REG_WRITE(_ah, _reg, _val) ath_hal_reg_write(_ah, _reg, _val)
|
|
#define OS_REG_READ(_ah, _reg) ath_hal_reg_read(_ah, _reg)
|
|
struct ath_hal;
|
|
extern void __ahdecl ath_hal_reg_write(struct ath_hal *ah, u_int reg,
|
|
u_int32_t val);
|
|
extern u_int32_t __ahdecl ath_hal_reg_read(struct ath_hal *ah, u_int reg);
|
|
#else
|
|
#define OS_REG_WRITE(_ah, _reg, _val) _OS_REG_WRITE(_ah, _reg, _val)
|
|
#define OS_REG_READ(_ah, _reg) _OS_REG_READ(_ah, _reg)
|
|
#endif /* AH_DEBUG || AH_REGFUNC || AH_DEBUG_ALQ */
|
|
|
|
/* Delay n microseconds. */
|
|
extern void __ahdecl ath_hal_delay(int);
|
|
#define OS_DELAY(_n) ath_hal_delay(_n)
|
|
|
|
/* Uptime in milliseconds, used by debugging code only */
|
|
#define OS_GETUPTIME(_ah) ((int)(1000 * jiffies / HZ))
|
|
|
|
#define OS_INLINE __inline
|
|
#define OS_MEMZERO(_a, _n) ath_hal_memzero((_a), (_n))
|
|
extern void __ahdecl ath_hal_memzero(void *, size_t);
|
|
#define OS_MEMCPY(_d, _s, _n) ath_hal_memcpy(_d,_s,_n)
|
|
extern void *__ahdecl ath_hal_memcpy(void *, const void *, size_t);
|
|
|
|
#define __bswap16(val) __swab16(val)
|
|
#define __bswap32(val) __swab32(val)
|
|
|
|
#ifdef AH_DEBUG_ALQ
|
|
extern void __ahdecl OS_MARK(struct ath_hal *, u_int id, u_int32_t value);
|
|
#else
|
|
#define OS_MARK(_ah, _id, _v)
|
|
#endif
|
|
|
|
#define __DECONST(type, var) ((type)(unsigned long)(const void *)(var))
|
|
#define __printflike(fmtarg, firstvararg) \
|
|
__attribute__((__format__ (__printf__, fmtarg, firstvararg)))
|
|
#define __va_list va_list
|
|
|
|
#undef swap
|
|
|
|
#endif /* _ATH_AH_OSDEP_H_ */
|