718cf2ccb9
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115 lines
4.1 KiB
C
115 lines
4.1 KiB
C
/* $NetBSD: smc90cx6var.h,v 1.5 2000/03/23 07:01:32 thorpej Exp $ */
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/* $FreeBSD$ */
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/*-
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* SPDX-License-Identifier: BSD-2-Clause-NetBSD
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*
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* Copyright (c) 1994, 1995, 1998 The NetBSD Foundation, Inc.
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* All rights reserved.
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*
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* This code is derived from software contributed to The NetBSD Foundation
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* by Ignatios Souvatzis.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions
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* are met:
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* 1. Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer.
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* 2. Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in the
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* documentation and/or other materials provided with the distribution.
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*
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* THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS
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* ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
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* TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
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* PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS
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* BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
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* CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
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* SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
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* INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
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* CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
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* ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
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* POSSIBILITY OF SUCH DAMAGE.
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*/
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/*
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* BAH (SMC 8bit ARCnet chipset) k/dpi
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*
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* The SMC 8bit ARCnet chip family uses a register and a memory window, which
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* we get passed via bus_space_tags and bus_space_handles.
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*
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* As the reset functionality differs between the Amiga boards (using the
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* 90c26 chip) and middle-aged ISA boards (using the 90c56 chip), we have
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* a sc_reset callback function in the softc, which does a stop function
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* (reset and leave dead) or a reset function depending on wether the 2nd
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* parameter is 0 or 1.
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*/
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#ifndef _SMC90CX6VAR_H_
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#define _SMC90CX6VAR_H_
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#include <sys/callout.h>
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struct cm_softc {
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struct ifnet *sc_ifp; /* Common arcnet structures */
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struct mtx sc_mtx; /* sc mutex */
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int port_rid; /* resource id for port range */
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struct resource *port_res; /* resource for port range */
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int mem_rid; /* resource id for memory range */
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struct resource *mem_res; /* resource for memory range */
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int irq_rid; /* resource id for irq */
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struct resource *irq_res; /* resource for irq */
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void * irq_handle; /* handle for irq handler */
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void *sc_rxcookie; /* softcallback cookies */
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void *sc_txcookie;
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struct callout sc_recon_ch;
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u_long sc_recontime; /* seconds only, I'm lazy */
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u_long sc_reconcount; /* for the above */
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u_long sc_reconcount_excessive; /* for the above */
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#define ARC_EXCESSIVE_RECONS 20
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#define ARC_EXCESSIVE_RECONS_REWARN 400
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struct callout sc_watchdog_timer;
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int sc_timer;
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u_char sc_intmask;
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u_char sc_rx_act; /* 2..3 */
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u_char sc_tx_act; /* 0..1 */
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u_char sc_rx_fillcount;
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u_char sc_tx_fillcount;
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u_char sc_broadcast[2]; /* is it a broadcast packet? */
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u_char sc_retransmits[2]; /* unused at the moment */
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};
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int cm_attach(device_t dev);
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void cmintr(void *);
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void cm_stop_locked(struct cm_softc *sc);
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void cm_release_resources(device_t dev);
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extern devclass_t cm_devclass;
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#define CM_LOCK(sc) mtx_lock(&(sc)->sc_mtx)
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#define CM_UNLOCK(sc) mtx_unlock(&(sc)->sc_mtx)
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/* short notation */
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#define GETREG(off) \
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bus_space_read_1(rman_get_bustag((sc)->port_res), \
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rman_get_bushandle((sc)->port_res), \
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(off))
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#define PUTREG(off, value) \
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bus_space_write_1(rman_get_bustag((sc)->port_res), \
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rman_get_bushandle((sc)->port_res), \
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(off), (value))
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#define GETMEM(off) \
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bus_space_read_1(rman_get_bustag((sc)->mem_res), \
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rman_get_bushandle((sc)->mem_res), \
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(off))
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#define PUTMEM(off, value) \
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bus_space_write_1(rman_get_bustag((sc)->mem_res), \
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rman_get_bushandle((sc)->mem_res), \
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(off), (value))
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#endif
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