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/* $OpenBSD: hmevar.h,v 1.12 2009/04/17 20:20:18 kettenis Exp $ */
/* $NetBSD: hmevar.h,v 1.6 2000/09/28 10:56:57 tsutsui Exp $ */
/*-
* Copyright (c) 1999 The NetBSD Foundation, Inc.
* All rights reserved.
*
* This code is derived from software contributed to The NetBSD Foundation
* by Paul Kranenburg.
*
* 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.
*
* 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.
*/
#include <sys/timeout.h>
#define HME_TX_RING_SIZE 64
#define HME_RX_RING_SIZE 64
#define HME_RX_RING_MAX 256
#define HME_TX_RING_MAX 256
#define HME_RX_PKTSIZE 1600
#define HME_TX_NSEGS 16
struct hme_sxd {
struct mbuf *sd_mbuf; /* descriptor mbuf */
bus_dmamap_t sd_map; /* descriptor dmamap */
};
struct hme_ring {
/* Ring Descriptors */
caddr_t rb_membase; /* Packet buffer: CPU address */
bus_addr_t rb_dmabase; /* Packet buffer: DMA address */
caddr_t rb_txd; /* Transmit descriptors */
bus_addr_t rb_txddma; /* DMA address of same */
caddr_t rb_rxd; /* Receive descriptors */
bus_addr_t rb_rxddma; /* DMA address of same */
};
struct hme_softc {
struct device sc_dev; /* boilerplate device view */
struct arpcom sc_arpcom; /* Ethernet common part */
struct mii_data sc_mii; /* MII media control */
#define sc_media sc_mii.mii_media/* shorthand */
struct timeout sc_tick_ch; /* tick callout */
/* The following bus handles are to be provided by the bus front-end */
bus_space_tag_t sc_bustag; /* bus tag */
bus_dma_tag_t sc_dmatag; /* bus dma tag */
bus_dmamap_t sc_dmamap; /* bus dma handle */
bus_space_handle_t sc_seb; /* HME Global registers */
bus_space_handle_t sc_erx; /* HME ERX registers */
bus_space_handle_t sc_etx; /* HME ETX registers */
bus_space_handle_t sc_mac; /* HME MAC registers */
bus_space_handle_t sc_mif; /* HME MIF registers */
int sc_burst; /* DVMA burst size in effect */
int sc_phys[2]; /* MII instance -> PHY map */
int sc_pci; /* XXXXX -- PCI buses are LE. */
/* Ring descriptor */
struct hme_ring sc_rb;
int sc_debug;
void *sc_sh; /* shutdownhook cookie */
short sc_if_flags;
/* Special hardware hooks */
void (*sc_hwreset)(struct hme_softc *);
void (*sc_hwinit)(struct hme_softc *);
struct hme_sxd sc_txd[HME_TX_RING_MAX], sc_rxd[HME_RX_RING_MAX];
bus_dmamap_t sc_rxmap_spare;
int sc_tx_cnt, sc_tx_prod, sc_tx_cons;
int sc_rx_cnt, sc_rx_prod, sc_rx_cons;
u_int32_t sc_tcvr;
};
void hme_config(struct hme_softc *);
void hme_reset(struct hme_softc *);
int hme_intr(void *);
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