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Diffstat (limited to 'package/broadcom-wl/src/include/bcmdefs.h')
| -rw-r--r-- | package/broadcom-wl/src/include/bcmdefs.h | 106 |
1 files changed, 106 insertions, 0 deletions
diff --git a/package/broadcom-wl/src/include/bcmdefs.h b/package/broadcom-wl/src/include/bcmdefs.h new file mode 100644 index 0000000000..8b5abe5d26 --- /dev/null +++ b/package/broadcom-wl/src/include/bcmdefs.h @@ -0,0 +1,106 @@ +/* + * Misc system wide definitions + * + * Copyright 2006, Broadcom Corporation + * All Rights Reserved. + * + * THIS SOFTWARE IS OFFERED "AS IS", AND BROADCOM GRANTS NO WARRANTIES OF ANY + * KIND, EXPRESS OR IMPLIED, BY STATUTE, COMMUNICATION OR OTHERWISE. BROADCOM + * SPECIFICALLY DISCLAIMS ANY IMPLIED WARRANTIES OF MERCHANTABILITY, FITNESS + * FOR A SPECIFIC PURPOSE OR NONINFRINGEMENT CONCERNING THIS SOFTWARE. + * $Id: bcmdefs.h,v 1.1.1.3 2006/04/08 06:13:39 honor Exp $ + */ + +#ifndef _bcmdefs_h_ +#define _bcmdefs_h_ + +/* + * One doesn't need to include this file explicitly, gets included automatically if + * typedefs.h is included. + */ + +/* Reclaiming text and data : + * The following macros specify special linker sections that can be reclaimed + * after a system is considered 'up'. + */ +#if defined(__GNUC__) && defined(BCMRECLAIM) +extern bool bcmreclaimed; +#define BCMINITDATA(_data) __attribute__ ((__section__ (".dataini." #_data))) _data +#define BCMINITFN(_fn) __attribute__ ((__section__ (".textini." #_fn))) _fn +#else /* #if defined(__GNUC__) && defined(BCMRECLAIM) */ +#define BCMINITDATA(_data) _data +#define BCMINITFN(_fn) _fn +#define bcmreclaimed 0 +#endif /* #if defined(__GNUC__) && defined(BCMRECLAIM) */ + +/* Reclaim uninit functions if BCMNODOWN is defined */ +/* and if they are not already removed by -gc-sections */ +#ifdef BCMNODOWN +#define BCMUNINITFN(_fn) BCMINITFN(_fn) +#else +#define BCMUNINITFN(_fn) _fn +#endif + +#ifdef BCMRECLAIM +#define CONST +#else +#define CONST const +#endif /* BCMRECLAIM */ + +/* Compatibility with old-style BCMRECLAIM */ +#define BCMINIT(_id) _id + + +/* Put some library data/code into ROM to reduce RAM requirements */ +#if defined(__GNUC__) && defined(BCMROMOFFLOAD) +#define BCMROMDATA(_data) __attribute__ ((__section__ (".datarom." #_data))) _data +#define BCMROMFN(_fn) __attribute__ ((__section__ (".textrom." #_fn))) _fn +#else +#define BCMROMDATA(_data) _data +#define BCMROMFN(_fn) _fn +#endif + +/* Bus types */ +#define SB_BUS 0 /* Silicon Backplane */ +#define PCI_BUS 1 /* PCI target */ +#define PCMCIA_BUS 2 /* PCMCIA target */ +#define SDIO_BUS 3 /* SDIO target */ +#define JTAG_BUS 4 /* JTAG */ +#define NO_BUS 0xFF /* Bus that does not support R/W REG */ + +/* Allows optimization for single-bus support */ +#ifdef BCMBUSTYPE +#define BUSTYPE(bus) (BCMBUSTYPE) +#else +#define BUSTYPE(bus) (bus) +#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 */ + +/* packet headroom necessary to accomodate 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). + */ +#define BCMEXTRAHDROOM 160 + +/* 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 8 + + + +#endif /* _bcmdefs_h_ */ |