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/* $OpenBSD: if_mcvar.h,v 1.3 2002/04/20 00:17:05 miod Exp $ */
/* $NetBSD: if_mcvar.h,v 1.3 1997/12/07 17:47:48 scottr Exp $ */
/*-
* Copyright (c) 1997 David Huang <khym@bga.com>
* All rights reserved.
*
* 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. The name of the author may not be used to endorse or promote products
* derived from this software without specific prior written permission
*
* THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``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 AUTHOR 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.
*
*/
#define MC_REGSPACING 16
#define MC_REGSIZE MACE_NREGS * MC_REGSPACING
#define MACE_REG(x) ((x)*MC_REGSPACING)
#define NIC_GET(sc, reg) (bus_space_read_1((sc)->sc_regt, \
(sc)->sc_regh, MACE_REG(reg)))
#define NIC_PUT(sc, reg, val) (bus_space_write_1((sc)->sc_regt, \
(sc)->sc_regh, MACE_REG(reg), (val)))
#ifndef MC_RXDMABUFS
#define MC_RXDMABUFS 4
#endif
#if (MC_RXDMABUFS < 2)
#error Must have at least two buffers for DMA!
#endif
#define MC_NPAGES ((MC_RXDMABUFS * 0x800 + NBPG - 1) / NBPG)
struct mc_rxframe {
u_int8_t rx_rcvcnt;
u_int8_t rx_rcvsts;
u_int8_t rx_rntpc;
u_int8_t rx_rcvcc;
u_char *rx_frame;
};
struct mc_softc {
struct device sc_dev; /* base device glue */
struct arpcom sc_ethercom; /* Ethernet common part */
#define sc_if sc_ethercom.ac_if
struct mc_rxframe sc_rxframe;
u_int8_t sc_biucc;
u_int8_t sc_fifocc;
u_int8_t sc_plscc;
u_int8_t sc_enaddr[6];
u_int8_t sc_pad[2];
int sc_havecarrier; /* carrier status */
void (*sc_bus_init)(struct mc_softc *);
void (*sc_putpacket)(struct mc_softc *, u_int);
bus_space_tag_t sc_regt;
bus_space_handle_t sc_regh;
u_char *sc_txbuf, *sc_rxbuf;
int sc_txbuf_phys, sc_rxbuf_phys;
int sc_tail;
int sc_rxset;
int sc_txset, sc_txseti;
};
int mcsetup(struct mc_softc *, u_int8_t *);
void mcintr(void *arg);
void mc_rint(struct mc_softc *sc);
u_char mc_get_enaddr(bus_space_tag_t t, bus_space_handle_t h,
vm_offset_t o, u_char *dst);
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