288 lines
8.4 KiB
C
288 lines
8.4 KiB
C
/*
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* Misc system wide definitions
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*
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* Copyright (C) 1999-2013, Broadcom Corporation
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*
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* Unless you and Broadcom execute a separate written software license
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* agreement governing use of this software, this software is licensed to you
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* under the terms of the GNU General Public License version 2 (the "GPL"),
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* available at http://www.broadcom.com/licenses/GPLv2.php, with the
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* following added to such license:
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*
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* As a special exception, the copyright holders of this software give you
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* permission to link this software with independent modules, and to copy and
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* distribute the resulting executable under terms of your choice, provided that
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* you also meet, for each linked independent module, the terms and conditions of
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* the license of that module. An independent module is a module which is not
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* derived from this software. The special exception does not apply to any
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* modifications of the software.
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*
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* Notwithstanding the above, under no circumstances may you combine this
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* software in any way with any other Broadcom software provided under a license
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* other than the GPL, without Broadcom's express prior written consent.
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*
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* $Id: bcmdefs.h 381895 2013-01-30 07:06:40Z $
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*/
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#ifndef _bcmdefs_h_
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#define _bcmdefs_h_
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/*
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* One doesn't need to include this file explicitly, gets included automatically if
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* typedefs.h is included.
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*/
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/* Use BCM_REFERENCE to suppress warnings about intentionally-unused function
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* arguments or local variables.
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*/
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#define BCM_REFERENCE(data) ((void)(data))
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/* Compile-time assert can be used in place of ASSERT if the expression evaluates
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* to a constant at compile time.
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*/
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#define STATIC_ASSERT(expr) { \
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/* Make sure the expression is constant. */ \
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typedef enum { _STATIC_ASSERT_NOT_CONSTANT = (expr) } _static_assert_e; \
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/* Make sure the expression is true. */ \
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typedef char STATIC_ASSERT_FAIL[(expr) ? 1 : -1]; \
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}
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/* Reclaiming text and data :
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* The following macros specify special linker sections that can be reclaimed
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* after a system is considered 'up'.
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* BCMATTACHFN is also used for detach functions (it's not worth having a BCMDETACHFN,
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* as in most cases, the attach function calls the detach function to clean up on error).
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*/
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#define bcmreclaimed 0
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#define _data _data
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#define _fn _fn
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#define BCMPREATTACHDATA(_data) _data
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#define BCMPREATTACHFN(_fn) _fn
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#define _data _data
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#define _fn _fn
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#define _fn _fn
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#define BCMNMIATTACHFN(_fn) _fn
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#define BCMNMIATTACHDATA(_data) _data
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#define CONST const
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/* Do not put BCM47XX and __ARM_ARCH_7A__ to the same line.
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* DHD build has problem because the BCM47XX will be excluded in DHD release.
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*/
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#undef BCM47XX_CA9
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#ifdef __ARM_ARCH_7A__
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#define BCM47XX_CA9
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#endif /* __ARM_ARCH_7A__ */
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#ifndef BCMFASTPATH
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#if defined(BCM47XX_CA9)
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#define BCMFASTPATH __attribute__ ((__section__ (".text.fastpath")))
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#define BCMFASTPATH_HOST __attribute__ ((__section__ (".text.fastpath_host")))
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#else
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#define BCMFASTPATH
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#define BCMFASTPATH_HOST
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#endif
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#endif /* BCMFASTPATH */
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/* Put some library data/code into ROM to reduce RAM requirements */
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#define _data _data
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#define BCMROMDAT_NAME(_data) _data
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#define _fn _fn
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#define _fn _fn
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#define STATIC static
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#define BCMROMDAT_ARYSIZ(data) ARRAYSIZE(data)
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#define BCMROMDAT_SIZEOF(data) sizeof(data)
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#define BCMROMDAT_APATCH(data)
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#define BCMROMDAT_SPATCH(data)
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/* Bus types */
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#define SI_BUS 0 /* SOC Interconnect */
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#define PCI_BUS 1 /* PCI target */
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#define PCMCIA_BUS 2 /* PCMCIA target */
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#define SDIO_BUS 3 /* SDIO target */
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#define JTAG_BUS 4 /* JTAG */
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#define USB_BUS 5 /* USB (does not support R/W REG) */
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#define SPI_BUS 6 /* gSPI target */
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#define RPC_BUS 7 /* RPC target */
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/* Allows size optimization for single-bus image */
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#ifdef BCMBUSTYPE
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#define BUSTYPE(bus) (BCMBUSTYPE)
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#else
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#define BUSTYPE(bus) (bus)
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#endif
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/* Allows size optimization for single-backplane image */
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#ifdef BCMCHIPTYPE
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#define CHIPTYPE(bus) (BCMCHIPTYPE)
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#else
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#define CHIPTYPE(bus) (bus)
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#endif
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/* Allows size optimization for SPROM support */
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#if defined(BCMSPROMBUS)
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#define SPROMBUS (BCMSPROMBUS)
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#elif defined(SI_PCMCIA_SROM)
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#define SPROMBUS (PCMCIA_BUS)
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#else
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#define SPROMBUS (PCI_BUS)
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#endif
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/* Allows size optimization for single-chip image */
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#ifdef BCMCHIPID
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#define CHIPID(chip) (BCMCHIPID)
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#else
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#define CHIPID(chip) (chip)
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#endif
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#ifdef BCMCHIPREV
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#define CHIPREV(rev) (BCMCHIPREV)
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#else
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#define CHIPREV(rev) (rev)
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#endif
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/* Defines for DMA Address Width - Shared between OSL and HNDDMA */
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#define DMADDR_MASK_32 0x0 /* Address mask for 32-bits */
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#define DMADDR_MASK_30 0xc0000000 /* Address mask for 30-bits */
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#define DMADDR_MASK_0 0xffffffff /* Address mask for 0-bits (hi-part) */
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#define DMADDRWIDTH_30 30 /* 30-bit addressing capability */
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#define DMADDRWIDTH_32 32 /* 32-bit addressing capability */
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#define DMADDRWIDTH_63 63 /* 64-bit addressing capability */
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#define DMADDRWIDTH_64 64 /* 64-bit addressing capability */
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#ifdef BCMDMA64OSL
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typedef struct {
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uint32 loaddr;
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uint32 hiaddr;
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} dma64addr_t;
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typedef dma64addr_t dmaaddr_t;
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#define PHYSADDRHI(_pa) ((_pa).hiaddr)
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#define PHYSADDRHISET(_pa, _val) \
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do { \
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(_pa).hiaddr = (_val); \
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} while (0)
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#define PHYSADDRLO(_pa) ((_pa).loaddr)
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#define PHYSADDRLOSET(_pa, _val) \
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do { \
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(_pa).loaddr = (_val); \
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} while (0)
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#else
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typedef unsigned long dmaaddr_t;
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#define PHYSADDRHI(_pa) (0)
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#define PHYSADDRHISET(_pa, _val)
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#define PHYSADDRLO(_pa) ((_pa))
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#define PHYSADDRLOSET(_pa, _val) \
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do { \
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(_pa) = (_val); \
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} while (0)
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#endif /* BCMDMA64OSL */
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/* One physical DMA segment */
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typedef struct {
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dmaaddr_t addr;
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uint32 length;
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} hnddma_seg_t;
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#define MAX_DMA_SEGS 4
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typedef struct {
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void *oshdmah; /* Opaque handle for OSL to store its information */
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uint origsize; /* Size of the virtual packet */
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uint nsegs;
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hnddma_seg_t segs[MAX_DMA_SEGS];
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} hnddma_seg_map_t;
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/* packet headroom necessary to accommodate the largest header in the system, (i.e TXOFF).
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* By doing, we avoid the need to allocate an extra buffer for the header when bridging to WL.
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* There is a compile time check in wlc.c which ensure that this value is at least as big
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* as TXOFF. This value is used in dma_rxfill (hnddma.c).
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*/
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#if defined(BCM_RPC_NOCOPY) || defined(BCM_RCP_TXNOCOPY)
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/* add 40 bytes to allow for extra RPC header and info */
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#define BCMEXTRAHDROOM 260
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#else /* BCM_RPC_NOCOPY || BCM_RPC_TXNOCOPY */
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#if defined(BCM47XX_CA9)
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#define BCMEXTRAHDROOM 224
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#else
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#define BCMEXTRAHDROOM 204
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#endif /* linux && BCM47XX_CA9 */
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#endif /* BCM_RPC_NOCOPY || BCM_RPC_TXNOCOPY */
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/* Packet alignment for most efficient SDIO (can change based on platform) */
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#ifndef SDALIGN
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#define SDALIGN 32
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#endif
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/* Headroom required for dongle-to-host communication. Packets allocated
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* locally in the dongle (e.g. for CDC ioctls or RNDIS messages) should
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* leave this much room in front for low-level message headers which may
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* be needed to get across the dongle bus to the host. (These messages
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* don't go over the network, so room for the full WL header above would
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* be a waste.).
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*/
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#define BCMDONGLEHDRSZ 12
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#define BCMDONGLEPADSZ 16
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#define BCMDONGLEOVERHEAD (BCMDONGLEHDRSZ + BCMDONGLEPADSZ)
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#if defined(NO_BCMDBG_ASSERT)
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# undef BCMDBG_ASSERT
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# undef BCMASSERT_LOG
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#endif
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#if defined(BCMASSERT_LOG)
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#define BCMASSERT_SUPPORT
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#endif
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/* Macros for doing definition and get/set of bitfields
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* Usage example, e.g. a three-bit field (bits 4-6):
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* #define <NAME>_M BITFIELD_MASK(3)
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* #define <NAME>_S 4
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* ...
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* regval = R_REG(osh, ®s->regfoo);
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* field = GFIELD(regval, <NAME>);
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* regval = SFIELD(regval, <NAME>, 1);
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* W_REG(osh, ®s->regfoo, regval);
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*/
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#define BITFIELD_MASK(width) \
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(((unsigned)1 << (width)) - 1)
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#define GFIELD(val, field) \
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(((val) >> field ## _S) & field ## _M)
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#define SFIELD(val, field, bits) \
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(((val) & (~(field ## _M << field ## _S))) | \
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((unsigned)(bits) << field ## _S))
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/* define BCMSMALL to remove misc features for memory-constrained environments */
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#ifdef BCMSMALL
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#undef BCMSPACE
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#define bcmspace FALSE /* if (bcmspace) code is discarded */
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#else
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#define BCMSPACE
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#define bcmspace TRUE /* if (bcmspace) code is retained */
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#endif
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/* Max. nvram variable table size */
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#define MAXSZ_NVRAM_VARS 4096
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/* Max size for reclaimable NVRAM array */
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#ifdef DL_NVRAM
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#define NVRAM_ARRAY_MAXSIZE DL_NVRAM
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#else
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#define NVRAM_ARRAY_MAXSIZE MAXSZ_NVRAM_VARS
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#endif /* DL_NVRAM */
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#ifdef BCMUSBDEV_ENABLED
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extern uint32 gFWID;
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#endif
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#endif /* _bcmdefs_h_ */
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