/* * Misc system wide definitions * * Copyright (C) 1999-2014, 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 433011 2013-10-30 09:19:54Z $ */ #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)) /* Allow for suppressing unused variable warnings. */ #ifdef __GNUC__ #define UNUSED_VAR __attribute__ ((unused)) #else #define UNUSED_VAR #endif /* 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 UNUSED_VAR; \ /* Make sure the expression is true. */ \ typedef char STATIC_ASSERT_FAIL[(expr) ? 1 : -1] UNUSED_VAR; \ } /* 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 #undef BCM47XX_CA9 #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 */ /* Use the BCMRAMFN() macro to tag functions in source that must be included in RAM (excluded from * ROM). This should eliminate the need to manually specify these functions in the ROM config file. * It should only be used in special cases where the function must be in RAM for *all* ROM-based * chips. */ #define BCMRAMFN(_fn) _fn /* 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 */ typedef struct { uint32 loaddr; uint32 hiaddr; } dma64addr_t; #define PHYSADDR64HI(_pa) ((_pa).hiaddr) #define PHYSADDR64HISET(_pa, _val) \ do { \ (_pa).hiaddr = (_val); \ } while (0) #define PHYSADDR64LO(_pa) ((_pa).loaddr) #define PHYSADDR64LOSET(_pa, _val) \ do { \ (_pa).loaddr = (_val); \ } while (0) #ifdef BCMDMA64OSL typedef dma64addr_t dmaaddr_t; #define PHYSADDRHI(_pa) PHYSADDR64HI(_pa) #define PHYSADDRHISET(_pa, _val) PHYSADDR64HISET(_pa, _val) #define PHYSADDRLO(_pa) PHYSADDR64LO(_pa) #define PHYSADDRLOSET(_pa, _val) PHYSADDR64LOSET(_pa, _val) #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 8 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 _M BITFIELD_MASK(3) * #define _S 4 * ... * regval = R_REG(osh, ®s->regfoo); * field = GFIELD(regval, ); * regval = SFIELD(regval, , 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 */ #ifndef MAXSZ_NVRAM_VARS #define MAXSZ_NVRAM_VARS 4096 #endif /* WL_ENAB_RUNTIME_CHECK may be set based upon the #define below (for ROM builds). It may also * be defined via makefiles (e.g. ROM auto abandon unoptimized compiles). */ #ifdef BCMLFRAG /* BCMLFRAG support enab macros */ extern bool _bcmlfrag; #if defined(WL_ENAB_RUNTIME_CHECK) || !defined(DONGLEBUILD) #define BCMLFRAG_ENAB() (_bcmlfrag) #elif defined(BCMLFRAG_DISABLED) #define BCMLFRAG_ENAB() (0) #else #define BCMLFRAG_ENAB() (1) #endif #else #define BCMLFRAG_ENAB() (0) #endif /* BCMLFRAG_ENAB */ #ifdef BCMSPLITRX /* BCMLFRAG support enab macros */ extern bool _bcmsplitrx; #if defined(WL_ENAB_RUNTIME_CHECK) || !defined(DONGLEBUILD) #define BCMSPLITRX_ENAB() (_bcmsplitrx) #elif defined(BCMSPLITRX_DISABLED) #define BCMSPLITRX_ENAB() (0) #else #define BCMSPLITRX_ENAB() (1) #endif #else #define BCMSPLITRX_ENAB() (0) #endif /* BCMSPLITRX */ #ifdef BCM_SPLITBUF extern bool _bcmsplitbuf; #if defined(WL_ENAB_RUNTIME_CHECK) || !defined(DONGLEBUILD) #define BCM_SPLITBUF_ENAB() (_bcmsplitbuf) #elif defined(BCM_SPLITBUF_DISABLED) #define BCM_SPLITBUF_ENAB() (0) #else #define BCM_SPLITBUF_ENAB() (1) #endif #else #define BCM_SPLITBUF_ENAB() (0) #endif /* BCM_SPLITBUF */ /* 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_ */