NetBSD/sys/dev/ic/aic6915var.h

201 lines
6.5 KiB
C

/* $NetBSD: aic6915var.h,v 1.1 2001/06/18 22:05:36 thorpej Exp $ */
/*-
* Copyright (c) 2001 The NetBSD Foundation, Inc.
* All rights reserved.
*
* This code is derived from software contributed to The NetBSD Foundation
* by Jason R. Thorpe.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
* 1. Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* 2. Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
* 3. All advertising materials mentioning features or use of this software
* must display the following acknowledgement:
* This product includes software developed by the NetBSD
* Foundation, Inc. and its contributors.
* 4. Neither the name of The NetBSD Foundation nor the names of its
* contributors may be used to endorse or promote products derived
* from this software without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS
* ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
* TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
* PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS
* BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
* CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
* SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
* INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
* CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
* ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
* POSSIBILITY OF SUCH DAMAGE.
*/
#ifndef _DEV_IC_AIC6915VAR_H_
#define _DEV_IC_AIC6915VAR_H_
#include <sys/callout.h>
/*
* Data structure definitions for the Adaptec AIC-6915 (``Starfire'')
* PCI 10/100 Ethernet controller driver.
*/
/*
* Transmit descriptor list size.
*/
#define SF_NTXDESC 256
#define SF_NTXDESC_MASK (SF_NTXDESC - 1)
#define SF_NEXTTX(x) ((x + 1) & SF_NTXDESC_MASK)
/*
* Transmit completion queue size. 1024 is a hardware requirement.
*/
#define SF_NTCD 1024
#define SF_NTCD_MASK (SF_NTCD - 1)
#define SF_NEXTTCD(x) ((x + 1) & SF_NTCD_MASK)
/*
* Receive descriptor list size.
*/
#define SF_NRXDESC 256
#define SF_NRXDESC_MASK (SF_NRXDESC - 1)
#define SF_NEXTRX(x) ((x + 1) & SF_NRXDESC_MASK)
/*
* Receive completion queue size. 1024 is a hardware requirement.
*/
#define SF_NRCD 1024
#define SF_NRCD_MASK (SF_NRCD - 1)
#define SF_NEXTRCD(x) ((x + 1) & SF_NRCD_MASK)
/*
* Control structures are DMA to the Starfire chip. We allocate them in
* a single clump that maps to a single DMA segment to make several things
* easier.
*/
struct sf_control_data {
/*
* The transmit descriptors.
*/
struct sf_txdesc0 scd_txdescs[SF_NTXDESC];
/*
* The transmit completion queue entires.
*/
struct sf_tcd scd_txcomp[SF_NTCD];
/*
* The receive buffer descriptors.
*/
struct sf_rbd32 scd_rxbufdescs[SF_NRXDESC];
/*
* The receive completion queue entries.
*/
struct sf_rcd_full scd_rxcomp[SF_NRCD];
};
#define SF_CDOFF(x) offsetof(struct sf_control_data, x)
#define SF_CDTXDOFF(x) SF_CDOFF(scd_txdescs[(x)])
#define SF_CDTXCOFF(x) SF_CDOFF(scd_txcomp[(x)])
#define SF_CDRXDOFF(x) SF_CDOFF(scd_rxbufdescs[(x)])
#define SF_CDRXCOFF(x) SF_CDOFF(scd_rxcomp[(x)])
/*
* Software state for transmit and receive descriptors.
*/
struct sf_descsoft {
struct mbuf *ds_mbuf; /* head of mbuf chain */
bus_dmamap_t ds_dmamap; /* our DMA map */
};
/*
* Software state per device.
*/
struct sf_softc {
struct device sc_dev; /* generic device information */
bus_space_tag_t sc_st; /* bus space tag */
bus_space_handle_t sc_sh; /* bus space handle */
bus_space_handle_t sc_sh_func; /* sub-handle for func regs */
bus_dma_tag_t sc_dmat; /* bus DMA tag */
struct ethercom sc_ethercom; /* ethernet common data */
void *sc_sdhook; /* shutdown hook */
int sc_iomapped; /* are we I/O mapped? */
struct mii_data sc_mii; /* MII/media information */
struct callout sc_tick_callout; /* MII callout */
bus_dmamap_t sc_cddmamap; /* control data DMA map */
#define sc_cddma sc_cddmamap->dm_segs[0].ds_addr
/*
* Software state for transmit and receive descriptors.
*/
struct sf_descsoft sc_txsoft[SF_NTXDESC];
struct sf_descsoft sc_rxsoft[SF_NRXDESC];
/*
* Control data structures.
*/
struct sf_control_data *sc_control_data;
#define sc_txdescs sc_control_data->scd_txdescs
#define sc_txcomp sc_control_data->scd_txcomp
#define sc_rxbufdescs sc_control_data->scd_rxbufdescs
#define sc_rxcomp sc_control_data->scd_rxcomp
int sc_txpending; /* number of Tx requests pending */
uint32_t sc_InterruptEn; /* prototype InterruptEn register */
uint32_t sc_TransmitFrameCSR; /* prototype TransmitFrameCSR reg */
uint32_t sc_TxDescQueueCtrl; /* prototype TxDescQueueCtrl reg */
int sc_txthresh; /* current Tx threshold */
uint32_t sc_MacConfig1; /* prototype MacConfig1 register */
uint32_t sc_RxAddressFilteringCtl;
};
#define SF_CDTXDADDR(sc, x) ((sc)->sc_cddma + SF_CDTXDOFF((x)))
#define SF_CDTXCADDR(sc, x) ((sc)->sc_cddma + SF_CDTXCOFF((x)))
#define SF_CDRXDADDR(sc, x) ((sc)->sc_cddma + SF_CDRXDOFF((x)))
#define SF_CDRXCADDR(sc, x) ((sc)->sc_cddma + SF_CDRXCOFF((x)))
#define SF_CDTXDSYNC(sc, x, ops) \
bus_dmamap_sync((sc)->sc_dmat, (sc)->sc_cddmamap, \
SF_CDTXDOFF((x)), sizeof(struct sf_txdesc0), (ops))
#define SF_CDTXCSYNC(sc, x, ops) \
bus_dmamap_sync((sc)->sc_dmat, (sc)->sc_cddmamap, \
SF_CDTXCOFF((x)), sizeof(struct sf_tcd), (ops))
#define SF_CDRXDSYNC(sc, x, ops) \
bus_dmamap_sync((sc)->sc_dmat, (sc)->sc_cddmamap, \
SF_CDRXDOFF((x)), sizeof(struct sf_rbd32), (ops))
#define SF_CDRXCSYNC(sc, x, ops) \
bus_dmamap_sync((sc)->sc_dmat, (sc)->sc_cddmamap, \
SF_CDRXCOFF((x)), sizeof(struct sf_rcd_full), (ops))
#define SF_INIT_RXDESC(sc, x) \
do { \
struct sf_descsoft *__ds = &sc->sc_rxsoft[(x)]; \
\
(sc)->sc_rxbufdescs[(x)].rbd32_addr = \
__ds->ds_dmamap->dm_segs[0].ds_addr | RBD_V; \
SF_CDRXDSYNC((sc), (x), BUS_DMASYNC_PREWRITE); \
} while (/*CONSTCOND*/0)
#ifdef _KERNEL
void sf_attach(struct sf_softc *);
int sf_intr(void *);
#endif /* _KERNEL */
#endif /* _DEV_IC_AIC6915VAR_H_ */