1e59d99d28
have _detach() functions: Ensure that softc keeps state about whether the attach succeeded, and make the detach function return immediately if the attach did not complete.
209 lines
6.7 KiB
C
209 lines
6.7 KiB
C
/* $NetBSD: mb86960var.h,v 1.26 2000/05/29 17:37:14 jhawk Exp $ */
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/*
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* All Rights Reserved, Copyright (C) Fujitsu Limited 1995
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*
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* This software may be used, modified, copied, distributed, and sold, in
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* both source and binary form provided that the above copyright, these
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* terms and the following disclaimer are retained. The name of the author
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* and/or the contributor may not be used to endorse or promote products
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* derived from this software without specific prior written permission.
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*
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* THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND THE CONTRIBUTOR ``AS IS'' AND
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* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
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* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
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* ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR THE CONTRIBUTOR BE LIABLE
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* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
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* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
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* OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION.
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* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
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* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
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* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
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* SUCH DAMAGE.
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*/
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/*
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* Portions copyright (C) 1993, David Greenman. This software may be used,
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* modified, copied, distributed, and sold, in both source and binary form
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* provided that the above copyright and these terms are retained. Under no
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* circumstances is the author responsible for the proper functioning of this
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* software, nor does the author assume any responsibility for damages
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* incurred with its use.
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*/
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#define FE_VERSION "if_fe.c ver. 0.8"
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/*
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* Device driver for Fujitsu MB86960A/MB86965A based Ethernet cards.
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* Contributed by M.S. <seki@sysrap.cs.fujitsu.co.jp>
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*
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* This version is intended to be a generic template for various
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* MB86960A/MB86965A based Ethernet cards. It currently supports
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* Fujitsu FMV-180 series (i.e., FMV-181 and FMV-182) and Allied-
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* Telesis AT1700 series and RE2000 series. There are some
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* unnecessary hooks embedded, which are primarily intended to support
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* other types of Ethernet cards, but the author is not sure whether
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* they are useful.
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*/
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#include "rnd.h"
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#if NRND > 0
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#include <sys/rnd.h>
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#endif
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/*
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* Default settings for fe driver specific options.
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* They can be set in config file by "options" statements.
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*/
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/*
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* Debug control.
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* 0: No debug at all. All debug specific codes are stripped off.
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* 1: Silent. No debug messages are logged except emergent ones.
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* 2: Brief. Lair events and/or important information are logged.
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* 3: Detailed. Logs all information which *may* be useful for debugging.
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* 4: Trace. All actions in the driver is logged. Super verbose.
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*/
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#ifndef FE_DEBUG
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#define FE_DEBUG 1
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#endif
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/*
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* Delay padding of short transmission packets to minimum Ethernet size.
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* This may or may not gain performance. An EXPERIMENTAL option.
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*/
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#ifndef FE_DELAYED_PADDING
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#define FE_DELAYED_PADDING 0
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#endif
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/*
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* Transmit just one packet per a "send" command to 86960.
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* This option is intended for performance test. An EXPERIMENTAL option.
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*/
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#ifndef FE_SINGLE_TRANSMISSION
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#define FE_SINGLE_TRANSMISSION 0
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#endif
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/*
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* Device configuration flags.
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*/
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/* DLCR6 settings. */
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#define FE_FLAGS_DLCR6_VALUE 0x007F
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/* Force DLCR6 override. */
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#define FE_FLAGS_OVERRIDE_DLCR6 0x0080
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/* A cludge for PCMCIA support. */
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#define FE_FLAGS_PCMCIA 0x8000
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/*
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* Supported hardware (Ethernet card) types
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* This information is currently used only for debugging
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*/
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enum fe_type {
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/* For cards which are successfully probed but not identified. */
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FE_TYPE_UNKNOWN = 0,
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/* Fujitsu FMV-180 series. */
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FE_TYPE_FMV181,
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FE_TYPE_FMV182,
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/* Allied-Telesis AT1700 series and RE2000 series. */
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FE_TYPE_AT1700T,
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FE_TYPE_AT1700BT,
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FE_TYPE_AT1700FT,
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FE_TYPE_AT1700AT,
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FE_TYPE_RE2000,
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/* PCMCIA by Fujitsu. */
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FE_TYPE_MBH10302,
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FE_TYPE_MBH10304,
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};
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enum mb86960_type {
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MB86960_TYPE_86960,
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MB86960_TYPE_86965
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};
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/*
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* fe_softc: per line info and status
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*/
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struct mb86960_softc {
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struct device sc_dev;
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struct ethercom sc_ec; /* ethernet common */
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struct ifmedia sc_media; /* supported media information */
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bus_space_tag_t sc_bst; /* bus space */
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bus_space_handle_t sc_bsh;
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/* Set by probe() and not modified in later phases. */
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enum mb86960_type type; /* controller type */
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u_char proto_dlcr4; /* DLCR4 prototype. */
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u_char proto_dlcr5; /* DLCR5 prototype. */
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u_char proto_dlcr6; /* DLCR6 prototype. */
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u_char proto_dlcr7; /* DLCR7 prototype. */
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u_char proto_bmpr13; /* BMPR13 prototype. */
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/* Vendor specific hooks. */
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void (*init_card) __P((struct mb86960_softc *));
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void (*stop_card) __P((struct mb86960_softc *));
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/* Transmission buffer management. */
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u_short txb_size; /* total bytes in TX buffer */
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u_short txb_free; /* free bytes in TX buffer */
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u_char txb_count; /* number of packets in TX buffer */
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u_char txb_sched; /* number of scheduled packets */
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u_char txb_padding; /* number of delayed padding bytes */
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/* Multicast address filter management. */
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u_char filter_change; /* MARs must be changed ASAP. */
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u_char filter[FE_FILTER_LEN]; /* new filter value. */
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u_int8_t sc_enaddr[ETHER_ADDR_LEN];
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#if NRND > 0
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rndsource_element_t rnd_source;
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#endif
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u_int32_t sc_flags; /* misc. flags */
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#define FE_FLAGS_ENABLED 0x0001 /* power enabled on interface */
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#define FE_FLAGS_ATTACHED 0x0002 /* attach has succeeded */
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int (*sc_enable) __P((struct mb86960_softc *));
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void (*sc_disable) __P((struct mb86960_softc *));
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int (*sc_mediachange) __P((struct mb86960_softc *));
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void (*sc_mediastatus) __P((struct mb86960_softc *,
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struct ifmediareq *));
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};
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/*
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* Fe driver specific constants which relate to 86960/86965.
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*/
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/* Interrupt masks. */
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#define FE_TMASK (FE_D2_COLL16 | FE_D2_TXDONE)
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#define FE_RMASK (FE_D3_OVRFLO | FE_D3_CRCERR | \
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FE_D3_ALGERR | FE_D3_SRTPKT | FE_D3_PKTRDY)
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/* Maximum number of iterrations for a receive interrupt. */
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#define FE_MAX_RECV_COUNT ((65536 - 2048 * 2) / 64)
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/* Maximum size of SRAM is 65536,
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* minimum size of transmission buffer in fe is 2x2KB,
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* and minimum amount of received packet including headers
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* added by the chip is 64 bytes.
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* Hence FE_MAX_RECV_COUNT is the upper limit for number
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* of packets in the receive buffer. */
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void mb86960_attach __P((struct mb86960_softc *, enum mb86960_type,
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u_int8_t *));
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void mb86960_config __P((struct mb86960_softc *, int *, int, int));
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int mb86960_intr __P((void *));
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int mb86960_enable __P((struct mb86960_softc *));
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void mb86960_disable __P((struct mb86960_softc *));
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int mb86960_activate __P((struct device *, enum devact));
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int mb86960_detach __P((struct mb86960_softc *));
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