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Diffstat (limited to 'package/broadcom-wl/src/kmod/hnddma.h')
| -rw-r--r-- | package/broadcom-wl/src/kmod/hnddma.h | 156 |
1 files changed, 156 insertions, 0 deletions
diff --git a/package/broadcom-wl/src/kmod/hnddma.h b/package/broadcom-wl/src/kmod/hnddma.h new file mode 100644 index 000000000..de74c067b --- /dev/null +++ b/package/broadcom-wl/src/kmod/hnddma.h @@ -0,0 +1,156 @@ +/* + * Generic Broadcom Home Networking Division (HND) DMA engine SW interface + * This supports the following chips: BCM42xx, 44xx, 47xx . + * + * 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: hnddma.h,v 1.1.1.13 2006/04/08 06:13:39 honor Exp $ + */ + +#ifndef _hnddma_h_ +#define _hnddma_h_ + +typedef const struct hnddma_pub hnddma_t; + +/* dma function type */ +typedef void (*di_detach_t)(hnddma_t *dmah); +typedef bool (*di_txreset_t)(hnddma_t *dmah); +typedef bool (*di_rxreset_t)(hnddma_t *dmah); +typedef bool (*di_rxidle_t)(hnddma_t *dmah); +typedef void (*di_txinit_t)(hnddma_t *dmah); +typedef bool (*di_txenabled_t)(hnddma_t *dmah); +typedef void (*di_rxinit_t)(hnddma_t *dmah); +typedef void (*di_txsuspend_t)(hnddma_t *dmah); +typedef void (*di_txresume_t)(hnddma_t *dmah); +typedef bool (*di_txsuspended_t)(hnddma_t *dmah); +typedef bool (*di_txsuspendedidle_t)(hnddma_t *dmah); +typedef int (*di_txfast_t)(hnddma_t *dmah, void *p, bool commit); +typedef void (*di_fifoloopbackenable_t)(hnddma_t *dmah); +typedef bool (*di_txstopped_t)(hnddma_t *dmah); +typedef bool (*di_rxstopped_t)(hnddma_t *dmah); +typedef bool (*di_rxenable_t)(hnddma_t *dmah); +typedef bool (*di_rxenabled_t)(hnddma_t *dmah); +typedef void* (*di_rx_t)(hnddma_t *dmah); +typedef void (*di_rxfill_t)(hnddma_t *dmah); +typedef void (*di_txreclaim_t)(hnddma_t *dmah, bool forceall); +typedef void (*di_rxreclaim_t)(hnddma_t *dmah); +typedef uintptr (*di_getvar_t)(hnddma_t *dmah, char *name); +typedef void* (*di_getnexttxp_t)(hnddma_t *dmah, bool forceall); +typedef void* (*di_getnextrxp_t)(hnddma_t *dmah, bool forceall); +typedef void* (*di_peeknexttxp_t)(hnddma_t *dmah); +typedef void (*di_txblock_t)(hnddma_t *dmah); +typedef void (*di_txunblock_t)(hnddma_t *dmah); +typedef uint (*di_txactive_t)(hnddma_t *dmah); +typedef void (*di_txrotate_t)(hnddma_t *dmah); +typedef void (*di_counterreset_t)(hnddma_t *dmah); +typedef char* (*di_dump_t)(hnddma_t *dmah, struct bcmstrbuf *b, bool dumpring); +typedef char* (*di_dumptx_t)(hnddma_t *dmah, struct bcmstrbuf *b, bool dumpring); +typedef char* (*di_dumprx_t)(hnddma_t *dmah, struct bcmstrbuf *b, bool dumpring); + +/* dma opsvec */ +typedef struct di_fcn_s { + di_detach_t detach; + di_txinit_t txinit; + di_txreset_t txreset; + di_txenabled_t txenabled; + di_txsuspend_t txsuspend; + di_txresume_t txresume; + di_txsuspended_t txsuspended; + di_txsuspendedidle_t txsuspendedidle; + di_txfast_t txfast; + di_txstopped_t txstopped; + di_txreclaim_t txreclaim; + di_getnexttxp_t getnexttxp; + di_peeknexttxp_t peeknexttxp; + di_txblock_t txblock; + di_txunblock_t txunblock; + di_txactive_t txactive; + di_txrotate_t txrotate; + + di_rxinit_t rxinit; + di_rxreset_t rxreset; + di_rxidle_t rxidle; + di_rxstopped_t rxstopped; + di_rxenable_t rxenable; + di_rxenabled_t rxenabled; + di_rx_t rx; + di_rxfill_t rxfill; + di_rxreclaim_t rxreclaim; + di_getnextrxp_t getnextrxp; + + di_fifoloopbackenable_t fifoloopbackenable; + di_getvar_t d_getvar; + di_counterreset_t counterreset; + di_dump_t dump; + di_dumptx_t dumptx; + di_dumprx_t dumprx; + uint endnum; +} di_fcn_t; + +/* + * Exported data structure (read-only) + */ +/* export structure */ +struct hnddma_pub { + di_fcn_t di_fn; /* DMA function pointers */ + uint txavail; /* # free tx descriptors */ + + /* rx error counters */ + uint rxgiants; /* rx giant frames */ + uint rxnobuf; /* rx out of dma descriptors */ + /* tx error counters */ + uint txnobuf; /* tx out of dma descriptors */ +}; + + +extern hnddma_t * dma_attach(osl_t *osh, char *name, sb_t *sbh, void *dmaregstx, void *dmaregsrx, + uint ntxd, uint nrxd, uint rxbufsize, uint nrxpost, uint rxoffset, + uint *msg_level); +#define dma_detach(di) ((di)->di_fn.detach(di)) +#define dma_txreset(di) ((di)->di_fn.txreset(di)) +#define dma_rxreset(di) ((di)->di_fn.rxreset(di)) +#define dma_rxidle(di) ((di)->di_fn.rxidle(di)) +#define dma_txinit(di) ((di)->di_fn.txinit(di)) +#define dma_txenabled(di) ((di)->di_fn.txenabled(di)) +#define dma_rxinit(di) ((di)->di_fn.rxinit(di)) +#define dma_txsuspend(di) ((di)->di_fn.txsuspend(di)) +#define dma_txresume(di) ((di)->di_fn.txresume(di)) +#define dma_txsuspended(di) ((di)->di_fn.txsuspended(di)) +#define dma_txsuspendedidle(di) ((di)->di_fn.txsuspendedidle(di)) +#define dma_txfast(di, p, commit) ((di)->di_fn.txfast(di, p, commit)) +#define dma_fifoloopbackenable(di) ((di)->di_fn.fifoloopbackenable(di)) +#define dma_txstopped(di) ((di)->di_fn.txstopped(di)) +#define dma_rxstopped(di) ((di)->di_fn.rxstopped(di)) +#define dma_rxenable(di) ((di)->di_fn.rxenable(di)) +#define dma_rxenabled(di) ((di)->di_fn.rxenabled(di)) +#define dma_rx(di) ((di)->di_fn.rx(di)) +#define dma_rxfill(di) ((di)->di_fn.rxfill(di)) +#define dma_txreclaim(di, forceall) ((di)->di_fn.txreclaim(di, forceall)) +#define dma_rxreclaim(di) ((di)->di_fn.rxreclaim(di)) +#define dma_getvar(di, name) ((di)->di_fn.d_getvar(di, name)) +#define dma_getnexttxp(di, forceall) ((di)->di_fn.getnexttxp(di, forceall)) +#define dma_getnextrxp(di, forceall) ((di)->di_fn.getnextrxp(di, forceall)) +#define dma_peeknexttxp(di) ((di)->di_fn.peeknexttxp(di)) +#define dma_txblock(di) ((di)->di_fn.txblock(di)) +#define dma_txunblock(di) ((di)->di_fn.txunblock(di)) +#define dma_txactive(di) ((di)->di_fn.txactive(di)) +#define dma_txrotate(di) ((di)->di_fn.txrotate(di)) +#define dma_counterreset(di) ((di)->di_fn.counterreset(di)) + +#define DMA_DUMP_SIZE 2048 +/* return addresswidth allowed + * This needs to be done after SB attach but before dma attach. + * SB attach provides ability to probe backplane and dma core capabilities + * This info is needed by DMA_ALLOC_CONSISTENT in dma attach + */ +extern uint dma_addrwidth(sb_t *sbh, void *dmaregs); + +/* pio helpers */ +void dma_txpioloopback(osl_t *osh, dma32regs_t *); + +#endif /* _hnddma_h_ */ |