/* * Generic Broadcom Home Networking Division (HND) DMA engine SW interface * This supports the following chips: BCM42xx, 44xx, 47xx . * * $Copyright Open Broadcom Corporation$ * * $Id: hnddma.h 365056 2012-10-26 12:00:34Z maheshd $ */ #ifndef _hnddma_h_ #define _hnddma_h_ #ifndef _hnddma_pub_ #define _hnddma_pub_ typedef const struct hnddma_pub hnddma_t; #endif /* _hnddma_pub_ */ /* range param for dma_getnexttxp() and dma_txreclaim */ typedef enum txd_range { HNDDMA_RANGE_ALL = 1, HNDDMA_RANGE_TRANSMITTED, HNDDMA_RANGE_TRANSFERED } txd_range_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); #ifdef WL_MULTIQUEUE typedef void (*di_txflush_t)(hnddma_t *dmah); typedef void (*di_txflush_clear_t)(hnddma_t *dmah); #endif /* WL_MULTIQUEUE */ typedef int (*di_txfast_t)(hnddma_t *dmah, void *p, bool commit); typedef int (*di_txunframed_t)(hnddma_t *dmah, void *p, uint len, bool commit); typedef void* (*di_getpos_t)(hnddma_t *di, bool direction); 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 bool (*di_rxfill_t)(hnddma_t *dmah); typedef void (*di_txreclaim_t)(hnddma_t *dmah, txd_range_t range); typedef void (*di_rxreclaim_t)(hnddma_t *dmah); typedef uintptr (*di_getvar_t)(hnddma_t *dmah, const char *name); typedef void* (*di_getnexttxp_t)(hnddma_t *dmah, txd_range_t range); typedef void* (*di_getnextrxp_t)(hnddma_t *dmah, bool forceall); typedef void* (*di_peeknexttxp_t)(hnddma_t *dmah); typedef void* (*di_peekntxp_t)(hnddma_t *dmah, int *len, void *txps[], txd_range_t range); typedef void* (*di_peeknextrxp_t)(hnddma_t *dmah); typedef void (*di_rxparam_get_t)(hnddma_t *dmah, uint16 *rxoffset, uint16 *rxbufsize); 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 uint (*di_ctrlflags_t)(hnddma_t *dmah, uint mask, uint flags); 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); typedef uint (*di_rxactive_t)(hnddma_t *dmah); typedef uint (*di_txpending_t)(hnddma_t *dmah); typedef uint (*di_txcommitted_t)(hnddma_t *dmah); typedef int (*di_pktpool_set_t)(hnddma_t *dmah, pktpool_t *pool); typedef bool (*di_rxtxerror_t)(hnddma_t *dmah, bool istx); typedef void (*di_burstlen_set_t)(hnddma_t *dmah, uint8 rxburstlen, uint8 txburstlen); typedef uint (*di_avoidancecnt_t)(hnddma_t *dmah); typedef uint (*dma_active_rxbuf_t) (hnddma_t *dmah); /* 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; #ifdef WL_MULTIQUEUE di_txflush_t txflush; di_txflush_clear_t txflush_clear; #endif /* WL_MULTIQUEUE */ di_txfast_t txfast; di_txunframed_t txunframed; di_getpos_t getpos; di_txstopped_t txstopped; di_txreclaim_t txreclaim; di_getnexttxp_t getnexttxp; di_peeknexttxp_t peeknexttxp; di_peekntxp_t peekntxp; 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_peeknextrxp_t peeknextrxp; di_rxparam_get_t rxparam_get; di_fifoloopbackenable_t fifoloopbackenable; di_getvar_t d_getvar; di_counterreset_t counterreset; di_ctrlflags_t ctrlflags; di_dump_t dump; di_dumptx_t dumptx; di_dumprx_t dumprx; di_rxactive_t rxactive; di_txpending_t txpending; di_txcommitted_t txcommitted; di_pktpool_set_t pktpool_set; di_rxtxerror_t rxtxerror; di_burstlen_set_t burstlen_set; di_avoidancecnt_t avoidancecnt; #ifdef WL_RXBUFF_EARLY_RC dma_active_rxbuf_t dma_activerxbuf; #endif uint endnum; } di_fcn_t; /* * Exported data structure (read-only) */ /* export structure */ struct hnddma_pub { const di_fcn_t *di_fn; /* DMA function pointers */ uint txavail; /* # free tx descriptors */ uint dmactrlflags; /* dma control flags */ /* 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 */ uint txnodesc; /* tx out of dma descriptors running count */ }; extern hnddma_t * dma_attach(osl_t *osh, const char *name, si_t *sih, volatile void *dmaregstx, volatile void *dmaregsrx, uint ntxd, uint nrxd, uint rxbufsize, int rxextheadroom, uint nrxpost, uint rxoffset, uint *msg_level); #ifdef BCMDMA32 #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)) #ifdef WL_MULTIQUEUE #define dma_txflush(di) ((di)->di_fn->txflush(di)) #define dma_txflush_clear(di) ((di)->di_fn->txflush_clear(di)) #endif /* WL_MULTIQUEUE */ #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, range) ((di)->di_fn->txreclaim(di, range)) #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, range) ((di)->di_fn->getnexttxp(di, range)) #define dma_getnextrxp(di, forceall) ((di)->di_fn->getnextrxp(di, forceall)) #define dma_peeknexttxp(di) ((di)->di_fn->peeknexttxp(di)) #define dma_peekntxp(di, l, t, r) ((di)->di_fn->peekntxp(di, l, t, r)) #define dma_peeknextrxp(di) ((di)->di_fn->peeknextrxp(di)) #define dma_rxparam_get(di, off, bufs) ((di)->di_fn->rxparam_get(di, off, bufs)) #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_rxactive(di) ((di)->di_fn->rxactive(di)) #define dma_txrotate(di) ((di)->di_fn->txrotate(di)) #define dma_counterreset(di) ((di)->di_fn->counterreset(di)) #define dma_ctrlflags(di, mask, flags) ((di)->di_fn->ctrlflags((di), (mask), (flags))) #define dma_txpending(di) ((di)->di_fn->txpending(di)) #define dma_txcommitted(di) ((di)->di_fn->txcommitted(di)) #define dma_pktpool_set(di, pool) ((di)->di_fn->pktpool_set((di), (pool))) #if defined(BCMDBG) || defined(BCMDBG_DUMP) #define dma_dump(di, buf, dumpring) ((di)->di_fn->dump(di, buf, dumpring)) #define dma_dumptx(di, buf, dumpring) ((di)->di_fn->dumptx(di, buf, dumpring)) #define dma_dumprx(di, buf, dumpring) ((di)->di_fn->dumprx(di, buf, dumpring)) #endif /* defined(BCMDBG) || defined(BCMDBG_DUMP) */ #define dma_rxtxerror(di, istx) ((di)->di_fn->rxtxerror(di, istx)) #define dma_burstlen_set(di, rxlen, txlen) ((di)->di_fn->burstlen_set(di, rxlen, txlen)) #define dma_avoidance_cnt(di) ((di)->di_fn->avoidancecnt(di)) #else /* BCMDMA32 */ extern const di_fcn_t dma64proc; #define dma_detach(di) (dma64proc.detach(di)) #define dma_txreset(di) (dma64proc.txreset(di)) #define dma_rxreset(di) (dma64proc.rxreset(di)) #define dma_rxidle(di) (dma64proc.rxidle(di)) #define dma_txinit(di) (dma64proc.txinit(di)) #define dma_txenabled(di) (dma64proc.txenabled(di)) #define dma_rxinit(di) (dma64proc.rxinit(di)) #define dma_txsuspend(di) (dma64proc.txsuspend(di)) #define dma_txresume(di) (dma64proc.txresume(di)) #define dma_txsuspended(di) (dma64proc.txsuspended(di)) #define dma_txsuspendedidle(di) (dma64proc.txsuspendedidle(di)) #ifdef WL_MULTIQUEUE #define dma_txflush(di) (dma64proc.txflush(di)) #define dma_txflush_clear(di) (dma64proc.txflush_clear(di)) #endif /* WL_MULTIQUEUE */ #define dma_txfast(di, p, commit) (dma64proc.txfast(di, p, commit)) #define dma_txunframed(di, p, l, commit)(dma64proc.txunframed(di, p, l, commit)) #define dma_getpos(di, dir) (dma64proc.getpos(di, dir)) #define dma_fifoloopbackenable(di) (dma64proc.fifoloopbackenable(di)) #define dma_txstopped(di) (dma64proc.txstopped(di)) #define dma_rxstopped(di) (dma64proc.rxstopped(di)) #define dma_rxenable(di) (dma64proc.rxenable(di)) #define dma_rxenabled(di) (dma64proc.rxenabled(di)) #define dma_rx(di) (dma64proc.rx(di)) #define dma_rxfill(di) (dma64proc.rxfill(di)) #define dma_txreclaim(di, range) (dma64proc.txreclaim(di, range)) #define dma_rxreclaim(di) (dma64proc.rxreclaim(di)) #define dma_getvar(di, name) (dma64proc.d_getvar(di, name)) #define dma_getnexttxp(di, range) (dma64proc.getnexttxp(di, range)) #define dma_getnextrxp(di, forceall) (dma64proc.getnextrxp(di, forceall)) #define dma_peeknexttxp(di) (dma64proc.peeknexttxp(di)) #define dma_peekntxp(di, l, t, r) (dma64proc.peekntxp(di, l, t, r)) #define dma_peeknextrxp(di) (dma64proc.peeknextrxp(di)) #define dma_rxparam_get(di, off, bufs) (dma64proc.rxparam_get(di, off, bufs)) #define dma_txblock(di) (dma64proc.txblock(di)) #define dma_txunblock(di) (dma64proc.txunblock(di)) #define dma_txactive(di) (dma64proc.txactive(di)) #define dma_rxactive(di) (dma64proc.rxactive(di)) #define dma_txrotate(di) (dma64proc.txrotate(di)) #define dma_counterreset(di) (dma64proc.counterreset(di)) #define dma_ctrlflags(di, mask, flags) (dma64proc.ctrlflags((di), (mask), (flags))) #define dma_txpending(di) (dma64proc.txpending(di)) #define dma_txcommitted(di) (dma64proc.txcommitted(di)) #define dma_pktpool_set(di, pool) (dma64proc.pktpool_set((di), (pool))) #if defined(BCMDBG) || defined(BCMDBG_DUMP) #define dma_dump(di, buf, dumpring) (dma64proc.dump(di, buf, dumpring)) #define dma_dumptx(di, buf, dumpring) (dma64proc.dumptx(di, buf, dumpring)) #define dma_dumprx(di, buf, dumpring) (dma64proc.dumprx(di, buf, dumpring)) #endif #define dma_rxtxerror(di, istx) (dma64proc.rxtxerror(di, istx)) #define dma_burstlen_set(di, rxlen, txlen) (dma64proc.burstlen_set(di, rxlen, txlen)) #define dma_avoidance_cnt(di) (dma64proc.avoidancecnt(di)) #define dma_activerxbuf(di) (dma64proc.dma_activerxbuf(di)) #endif /* BCMDMA32 */ /* 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(si_t *sih, void *dmaregs); /* pio helpers */ extern void dma_txpioloopback(osl_t *osh, dma32regs_t *); #endif /* _hnddma_h_ */