+++ /dev/null
-/*
- * Generic Broadcom Home Networking Division (HND) DMA engine SW interface
- * This supports the following chips: BCM42xx, 44xx, 47xx .
- *
- * Copyright 2007, 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.
- */
-
-#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, const 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))
-#ifdef BCMDBG
-#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
-
-/* 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_ */
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