97 lines
3.0 KiB
C
97 lines
3.0 KiB
C
/* $NetBSD: if_mcvar.h,v 1.15 2007/03/05 21:22:45 he Exp $ */
|
|
|
|
/*-
|
|
* Copyright (c) 1997 David Huang <khym@azeotrope.org>
|
|
* 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.
|
|
*
|
|
*/
|
|
|
|
/* XXX this file depends on opt_ddb.h */
|
|
#ifdef DDB
|
|
#define integrate
|
|
#define hide
|
|
#else
|
|
#define integrate static inline
|
|
#define hide static
|
|
#endif
|
|
|
|
#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 + PAGE_SIZE - 1) / PAGE_SIZE)
|
|
|
|
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 ethercom sc_ethercom; /* Ethernet common part */
|
|
#define sc_if sc_ethercom.ec_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;
|
|
bus_dma_tag_t sc_dmat;
|
|
bus_dmamap_t sc_dmam_tx, sc_dmam_rx;
|
|
bus_dma_segment_t sc_dmasegs_tx, sc_dmasegs_rx;
|
|
|
|
uint8_t *sc_txbuf, *sc_rxbuf;
|
|
bus_addr_t 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 *);
|
|
u_char mc_get_enaddr(bus_space_tag_t, bus_space_handle_t, bus_size_t,
|
|
u_char *);
|