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/*
* Misc system wide definitions
*
* Copyright (C) 1999-2013, Broadcom Corporation
*
* Unless you and Broadcom execute a separate written software license
* agreement governing use of this software, this software is licensed to you
* under the terms of the GNU General Public License version 2 (the "GPL"),
* available at http://www.broadcom.com/licenses/GPLv2.php, with the
* following added to such license:
*
* As a special exception, the copyright holders of this software give you
* permission to link this software with independent modules, and to copy and
* distribute the resulting executable under terms of your choice, provided that
* you also meet, for each linked independent module, the terms and conditions of
* the license of that module. An independent module is a module which is not
* derived from this software. The special exception does not apply to any
* modifications of the software.
*
* Notwithstanding the above, under no circumstances may you combine this
* software in any way with any other Broadcom software provided under a license
* other than the GPL, without Broadcom's express prior written consent.
*
* $Id: bcmdefs.h 416231 2013-08-02 07:38:34Z $
*/
#ifndef _bcmdefs_h_
#define _bcmdefs_h_
/*
* One doesn't need to include this file explicitly, gets included automatically if
* typedefs.h is included.
*/
/* Use BCM_REFERENCE to suppress warnings about intentionally-unused function
* arguments or local variables.
*/
#define BCM_REFERENCE(data) ((void)(data))
/* Compile-time assert can be used in place of ASSERT if the expression evaluates
* to a constant at compile time.
*/
#define STATIC_ASSERT(expr) { \
/* Make sure the expression is constant. */ \
typedef enum { _STATIC_ASSERT_NOT_CONSTANT = (expr) } _static_assert_e; \
/* Make sure the expression is true. */ \
typedef char STATIC_ASSERT_FAIL[(expr) ? 1 : -1]; \
}
/* Reclaiming text and data :
* The following macros specify special linker sections that can be reclaimed
* after a system is considered 'up'.
* BCMATTACHFN is also used for detach functions (it's not worth having a BCMDETACHFN,
* as in most cases, the attach function calls the detach function to clean up on error).
*/
#define bcmreclaimed 0
#define _data _data
#define _fn _fn
#define BCMPREATTACHDATA(_data) _data
#define BCMPREATTACHFN(_fn) _fn
#define _data _data
#define _fn _fn
#define _fn _fn
#define BCMNMIATTACHFN(_fn) _fn
#define BCMNMIATTACHDATA(_data) _data
#define CONST const
/* Do not put BCM47XX and __ARM_ARCH_7A__ to the same line.
* DHD build has problem because the BCM47XX will be excluded in DHD release.
*/
#undef BCM47XX_CA9
#ifdef __ARM_ARCH_7A__
#define BCM47XX_CA9
#endif /* __ARM_ARCH_7A__ */
#ifndef BCMFASTPATH
#if defined(BCM47XX_CA9)
#define BCMFASTPATH __attribute__ ((__section__ (".text.fastpath")))
#define BCMFASTPATH_HOST __attribute__ ((__section__ (".text.fastpath_host")))
#else
#define BCMFASTPATH
#define BCMFASTPATH_HOST
#endif
#endif /* BCMFASTPATH */
/* Put some library data/code into ROM to reduce RAM requirements */
#define _data _data
#define BCMROMDAT_NAME(_data) _data
#define _fn _fn
#define _fn _fn
#define STATIC static
#define BCMROMDAT_ARYSIZ(data) ARRAYSIZE(data)
#define BCMROMDAT_SIZEOF(data) sizeof(data)
#define BCMROMDAT_APATCH(data)
#define BCMROMDAT_SPATCH(data)
/* Bus types */
#define SI_BUS 0 /* SOC Interconnect */
#define PCI_BUS 1 /* PCI target */
#define PCMCIA_BUS 2 /* PCMCIA target */
#define SDIO_BUS 3 /* SDIO target */
#define JTAG_BUS 4 /* JTAG */
#define USB_BUS 5 /* USB (does not support R/W REG) */
#define SPI_BUS 6 /* gSPI target */
#define RPC_BUS 7 /* RPC target */
/* Allows size optimization for single-bus image */
#ifdef BCMBUSTYPE
#define BUSTYPE(bus) (BCMBUSTYPE)
#else
#define BUSTYPE(bus) (bus)
#endif
/* Allows size optimization for single-backplane image */
#ifdef BCMCHIPTYPE
#define CHIPTYPE(bus) (BCMCHIPTYPE)
#else
#define CHIPTYPE(bus) (bus)
#endif
/* Allows size optimization for SPROM support */
#if defined(BCMSPROMBUS)
#define SPROMBUS (BCMSPROMBUS)
#elif defined(SI_PCMCIA_SROM)
#define SPROMBUS (PCMCIA_BUS)
#else
#define SPROMBUS (PCI_BUS)
#endif
/* Allows size optimization for single-chip image */
#ifdef BCMCHIPID
#define CHIPID(chip) (BCMCHIPID)
#else
#define CHIPID(chip) (chip)
#endif
#ifdef BCMCHIPREV
#define CHIPREV(rev) (BCMCHIPREV)
#else
#define CHIPREV(rev) (rev)
#endif
/* Defines for DMA Address Width - Shared between OSL and HNDDMA */
#define DMADDR_MASK_32 0x0 /* Address mask for 32-bits */
#define DMADDR_MASK_30 0xc0000000 /* Address mask for 30-bits */
#define DMADDR_MASK_0 0xffffffff /* Address mask for 0-bits (hi-part) */
#define DMADDRWIDTH_30 30 /* 30-bit addressing capability */
#define DMADDRWIDTH_32 32 /* 32-bit addressing capability */
#define DMADDRWIDTH_63 63 /* 64-bit addressing capability */
#define DMADDRWIDTH_64 64 /* 64-bit addressing capability */
#ifdef BCMDMA64OSL
typedef struct {
uint32 loaddr;
uint32 hiaddr;
} dma64addr_t;
typedef dma64addr_t dmaaddr_t;
#define PHYSADDRHI(_pa) ((_pa).hiaddr)
#define PHYSADDRHISET(_pa, _val) \
do { \
(_pa).hiaddr = (_val); \
} while (0)
#define PHYSADDRLO(_pa) ((_pa).loaddr)
#define PHYSADDRLOSET(_pa, _val) \
do { \
(_pa).loaddr = (_val); \
} while (0)
#else
typedef unsigned long dmaaddr_t;
#define PHYSADDRHI(_pa) (0)
#define PHYSADDRHISET(_pa, _val)
#define PHYSADDRLO(_pa) ((_pa))
#define PHYSADDRLOSET(_pa, _val) \
do { \
(_pa) = (_val); \
} while (0)
#endif /* BCMDMA64OSL */
/* One physical DMA segment */
typedef struct {
dmaaddr_t addr;
uint32 length;
} hnddma_seg_t;
#define MAX_DMA_SEGS 4
typedef struct {
void *oshdmah; /* Opaque handle for OSL to store its information */
uint origsize; /* Size of the virtual packet */
uint nsegs;
hnddma_seg_t segs[MAX_DMA_SEGS];
} hnddma_seg_map_t;
/* packet headroom necessary to accommodate the largest header in the system, (i.e TXOFF).
* By doing, we avoid the need to allocate an extra buffer for the header when bridging to WL.
* There is a compile time check in wlc.c which ensure that this value is at least as big
* as TXOFF. This value is used in dma_rxfill (hnddma.c).
*/
#if defined(BCM_RPC_NOCOPY) || defined(BCM_RCP_TXNOCOPY)
/* add 40 bytes to allow for extra RPC header and info */
#define BCMEXTRAHDROOM 260
#else /* BCM_RPC_NOCOPY || BCM_RPC_TXNOCOPY */
#if defined(BCM47XX_CA9)
#define BCMEXTRAHDROOM 224
#else
#define BCMEXTRAHDROOM 204
#endif /* linux && BCM47XX_CA9 */
#endif /* BCM_RPC_NOCOPY || BCM_RPC_TXNOCOPY */
/* Packet alignment for most efficient SDIO (can change based on platform) */
#ifndef SDALIGN
#define SDALIGN 32
#endif
/* Headroom required for dongle-to-host communication. Packets allocated
* locally in the dongle (e.g. for CDC ioctls or RNDIS messages) should
* leave this much room in front for low-level message headers which may
* be needed to get across the dongle bus to the host. (These messages
* don't go over the network, so room for the full WL header above would
* be a waste.).
*/
#define BCMDONGLEHDRSZ 12
#define BCMDONGLEPADSZ 16
#define BCMDONGLEOVERHEAD (BCMDONGLEHDRSZ + BCMDONGLEPADSZ)
#if defined(NO_BCMDBG_ASSERT)
# undef BCMDBG_ASSERT
# undef BCMASSERT_LOG
#endif
#if defined(BCMASSERT_LOG)
#define BCMASSERT_SUPPORT
#endif
/* Macros for doing definition and get/set of bitfields
* Usage example, e.g. a three-bit field (bits 4-6):
* #define <NAME>_M BITFIELD_MASK(3)
* #define <NAME>_S 4
* ...
* regval = R_REG(osh, ®s->regfoo);
* field = GFIELD(regval, <NAME>);
* regval = SFIELD(regval, <NAME>, 1);
* W_REG(osh, ®s->regfoo, regval);
*/
#define BITFIELD_MASK(width) \
(((unsigned)1 << (width)) - 1)
#define GFIELD(val, field) \
(((val) >> field ## _S) & field ## _M)
#define SFIELD(val, field, bits) \
(((val) & (~(field ## _M << field ## _S))) | \
((unsigned)(bits) << field ## _S))
/* define BCMSMALL to remove misc features for memory-constrained environments */
#ifdef BCMSMALL
#undef BCMSPACE
#define bcmspace FALSE /* if (bcmspace) code is discarded */
#else
#define BCMSPACE
#define bcmspace TRUE /* if (bcmspace) code is retained */
#endif
/* Max. nvram variable table size */
#define MAXSZ_NVRAM_VARS 4096
/* Max size for reclaimable NVRAM array */
#ifdef DL_NVRAM
#define NVRAM_ARRAY_MAXSIZE DL_NVRAM
#else
#define NVRAM_ARRAY_MAXSIZE MAXSZ_NVRAM_VARS
#endif /* DL_NVRAM */
#ifdef BCMUSBDEV_ENABLED
extern uint32 gFWID;
#endif
#endif /* _bcmdefs_h_ */