ef544f6312
bus_setup_intr() o add an int return code to all fast handlers o retire INTR_FAST/IH_FAST For more info: http://docs.freebsd.org/cgi/getmsg.cgi?fetch=465712+0+current/freebsd-current Reviewed by: many Approved by: re@
510 lines
15 KiB
C
510 lines
15 KiB
C
/* $NetBSD: if_le_isa.c,v 1.41 2005/12/24 20:27:41 perry Exp $ */
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/*-
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* Copyright (c) 1997, 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 Charles M. Hannum and by Jason R. Thorpe of the Numerical Aerospace
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* Simulation Facility, NASA Ames Research Center.
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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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* 3. All advertising materials mentioning features or use of this software
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* must display the following acknowledgement:
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* This product includes software developed by the NetBSD
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* Foundation, Inc. and its contributors.
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* 4. Neither the name of The NetBSD Foundation nor the names of its
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* contributors may be used to endorse or promote products derived
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* from this software without specific prior written permission.
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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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* Copyright (c) 1992, 1993
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* The Regents of the University of California. All rights reserved.
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*
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* This code is derived from software contributed to Berkeley by
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* Ralph Campbell and Rick Macklem.
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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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* 3. Neither the name of the University nor the names of its contributors
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* may be used to endorse or promote products derived from this software
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* without specific prior written permission.
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*
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* THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``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 REGENTS OR CONTRIBUTORS 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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* @(#)if_le.c 8.2 (Berkeley) 11/16/93
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*/
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#include <sys/cdefs.h>
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__FBSDID("$FreeBSD$");
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#include <sys/param.h>
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#include <sys/systm.h>
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#include <sys/bus.h>
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#include <sys/endian.h>
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#include <sys/kernel.h>
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#include <sys/lock.h>
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#include <sys/module.h>
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#include <sys/mutex.h>
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#include <sys/resource.h>
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#include <sys/rman.h>
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#include <sys/socket.h>
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#include <net/ethernet.h>
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#include <net/if.h>
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#include <net/if_media.h>
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#include <machine/bus.h>
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#include <machine/resource.h>
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#include <isa/isavar.h>
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#include <dev/le/lancereg.h>
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#include <dev/le/lancevar.h>
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#include <dev/le/am7990var.h>
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#define LE_ISA_MEMSIZE (16*1024)
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#define PCNET_RDP 0x10
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#define PCNET_RAP 0x12
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struct le_isa_softc {
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struct am7990_softc sc_am7990; /* glue to MI code */
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bus_size_t sc_rap; /* offsets to LANCE... */
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bus_size_t sc_rdp; /* ...registers */
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int sc_rrid;
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struct resource *sc_rres;
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bus_space_tag_t sc_regt;
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bus_space_handle_t sc_regh;
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int sc_drid;
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struct resource *sc_dres;
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int sc_irid;
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struct resource *sc_ires;
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void *sc_ih;
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bus_dma_tag_t sc_pdmat;
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bus_dma_tag_t sc_dmat;
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bus_dmamap_t sc_dmam;
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};
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static device_probe_t le_isa_probe;
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static device_attach_t le_isa_attach;
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static device_detach_t le_isa_detach;
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static device_resume_t le_isa_resume;
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static device_suspend_t le_isa_suspend;
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static device_method_t le_isa_methods[] = {
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/* Device interface */
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DEVMETHOD(device_probe, le_isa_probe),
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DEVMETHOD(device_attach, le_isa_attach),
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DEVMETHOD(device_detach, le_isa_detach),
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/* We can just use the suspend method here. */
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DEVMETHOD(device_shutdown, le_isa_suspend),
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DEVMETHOD(device_suspend, le_isa_suspend),
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DEVMETHOD(device_resume, le_isa_resume),
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{ 0, 0 }
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};
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DEFINE_CLASS_0(le, le_isa_driver, le_isa_methods, sizeof(struct le_isa_softc));
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DRIVER_MODULE(le, isa, le_isa_driver, le_devclass, 0, 0);
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MODULE_DEPEND(le, ether, 1, 1, 1);
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struct le_isa_param {
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const char *name;
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u_long iosize;
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bus_size_t rap;
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bus_size_t rdp;
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bus_size_t macstart;
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int macstride;
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} static const le_isa_params[] = {
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{ "BICC Isolan", 24, 0xe, 0xc, 0, 2 },
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{ "Novell NE2100", 16, 0x12, 0x10, 0, 1 }
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};
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static struct isa_pnp_id le_isa_ids[] = {
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{ 0x0322690e, "Cabletron E2200 Single Chip" }, /* CSI2203 */
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{ 0x0110490a, "Boca LANCard Combo" }, /* BRI1001 */
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{ 0x0100a60a, "Melco Inc. LGY-IV" }, /* BUF0001 */
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{ 0xd880d041, "Novell NE2100" }, /* PNP80D8 */
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{ 0x0082d041, "Cabletron E2100 Series DNI" }, /* PNP8200 */
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{ 0x3182d041, "AMD AM1500T/AM2100" }, /* PNP8231 */
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{ 0x8c82d041, "AMD PCnet-ISA" }, /* PNP828C */
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{ 0x8d82d041, "AMD PCnet-32" }, /* PNP828D */
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{ 0xcefaedfe, "Racal InterLan EtherBlaster" }, /* _WMFACE */
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{ 0, NULL }
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};
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static void le_isa_wrcsr(struct lance_softc *, uint16_t, uint16_t);
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static uint16_t le_isa_rdcsr(struct lance_softc *, uint16_t);
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static bus_dmamap_callback_t le_isa_dma_callback;
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static int le_isa_probe_legacy(device_t, const struct le_isa_param *);
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static void
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le_isa_wrcsr(struct lance_softc *sc, uint16_t port, uint16_t val)
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{
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struct le_isa_softc *lesc = (struct le_isa_softc *)sc;
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bus_space_write_2(lesc->sc_regt, lesc->sc_regh, lesc->sc_rap, port);
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bus_space_barrier(lesc->sc_regt, lesc->sc_regh, lesc->sc_rap, 2,
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BUS_SPACE_BARRIER_WRITE);
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bus_space_write_2(lesc->sc_regt, lesc->sc_regh, lesc->sc_rdp, val);
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}
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static uint16_t
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le_isa_rdcsr(struct lance_softc *sc, uint16_t port)
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{
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struct le_isa_softc *lesc = (struct le_isa_softc *)sc;
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bus_space_write_2(lesc->sc_regt, lesc->sc_regh, lesc->sc_rap, port);
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bus_space_barrier(lesc->sc_regt, lesc->sc_regh, lesc->sc_rap, 2,
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BUS_SPACE_BARRIER_WRITE);
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return (bus_space_read_2(lesc->sc_regt, lesc->sc_regh, lesc->sc_rdp));
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}
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static void
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le_isa_dma_callback(void *xsc, bus_dma_segment_t *segs, int nsegs, int error)
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{
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struct lance_softc *sc = (struct lance_softc *)xsc;
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if (error != 0)
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return;
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KASSERT(nsegs == 1, ("%s: bad DMA segment count", __func__));
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sc->sc_addr = segs[0].ds_addr;
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}
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static int
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le_isa_probe_legacy(device_t dev, const struct le_isa_param *leip)
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{
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struct le_isa_softc *lesc;
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struct lance_softc *sc;
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int error;
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lesc = device_get_softc(dev);
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sc = &lesc->sc_am7990.lsc;
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lesc->sc_rrid = 0;
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lesc->sc_rres = bus_alloc_resource(dev, SYS_RES_IOPORT, &lesc->sc_rrid,
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0, ~0, leip->iosize, RF_ACTIVE);
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if (lesc->sc_rres == NULL)
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return (ENXIO);
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lesc->sc_regt = rman_get_bustag(lesc->sc_rres);
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lesc->sc_regh = rman_get_bushandle(lesc->sc_rres);
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lesc->sc_rap = leip->rap;
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lesc->sc_rdp = leip->rdp;
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/* Stop the chip and put it in a known state. */
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le_isa_wrcsr(sc, LE_CSR0, LE_C0_STOP);
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DELAY(100);
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if (le_isa_rdcsr(sc, LE_CSR0) != LE_C0_STOP) {
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error = ENXIO;
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goto fail;
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}
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le_isa_wrcsr(sc, LE_CSR3, 0);
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error = 0;
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fail:
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bus_release_resource(dev, SYS_RES_IOPORT, lesc->sc_rrid, lesc->sc_rres);
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return (error);
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}
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static int
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le_isa_probe(device_t dev)
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{
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int i;
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switch (ISA_PNP_PROBE(device_get_parent(dev), dev, le_isa_ids)) {
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case 0:
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return (BUS_PROBE_DEFAULT);
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case ENOENT:
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for (i = 0; i < sizeof(le_isa_params) /
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sizeof(le_isa_params[0]); i++) {
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if (le_isa_probe_legacy(dev, &le_isa_params[i]) == 0) {
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device_set_desc(dev, le_isa_params[i].name);
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return (BUS_PROBE_DEFAULT);
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}
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}
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/* FALLTHROUGH */
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case ENXIO:
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default:
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return (ENXIO);
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}
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}
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static int
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le_isa_attach(device_t dev)
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{
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struct le_isa_softc *lesc;
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struct lance_softc *sc;
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bus_size_t macstart, rap, rdp;
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int error, i, macstride;
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lesc = device_get_softc(dev);
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sc = &lesc->sc_am7990.lsc;
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LE_LOCK_INIT(sc, device_get_nameunit(dev));
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lesc->sc_rrid = 0;
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switch (ISA_PNP_PROBE(device_get_parent(dev), dev, le_isa_ids)) {
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case 0:
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lesc->sc_rres = bus_alloc_resource_any(dev, SYS_RES_IOPORT,
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&lesc->sc_rrid, RF_ACTIVE);
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rap = PCNET_RAP;
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rdp = PCNET_RDP;
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macstart = 0;
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macstride = 1;
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break;
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case ENOENT:
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for (i = 0; i < sizeof(le_isa_params) /
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sizeof(le_isa_params[0]); i++) {
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if (le_isa_probe_legacy(dev, &le_isa_params[i]) == 0) {
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lesc->sc_rres = bus_alloc_resource(dev,
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SYS_RES_IOPORT, &lesc->sc_rrid, 0, ~0,
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le_isa_params[i].iosize, RF_ACTIVE);
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rap = le_isa_params[i].rap;
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rdp = le_isa_params[i].rdp;
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macstart = le_isa_params[i].macstart;
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macstride = le_isa_params[i].macstride;
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goto found;
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}
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}
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/* FALLTHROUGH */
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case ENXIO:
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default:
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device_printf(dev, "cannot determine chip\n");
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error = ENXIO;
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goto fail_mtx;
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}
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found:
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if (lesc->sc_rres == NULL) {
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device_printf(dev, "cannot allocate registers\n");
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error = ENXIO;
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goto fail_mtx;
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}
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lesc->sc_regt = rman_get_bustag(lesc->sc_rres);
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lesc->sc_regh = rman_get_bushandle(lesc->sc_rres);
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lesc->sc_rap = rap;
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lesc->sc_rdp = rdp;
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lesc->sc_drid = 0;
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if ((lesc->sc_dres = bus_alloc_resource_any(dev, SYS_RES_DRQ,
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&lesc->sc_drid, RF_ACTIVE)) == NULL) {
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device_printf(dev, "cannot allocate DMA channel\n");
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error = ENXIO;
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goto fail_rres;
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}
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lesc->sc_irid = 0;
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if ((lesc->sc_ires = bus_alloc_resource_any(dev, SYS_RES_IRQ,
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&lesc->sc_irid, RF_SHAREABLE | RF_ACTIVE)) == NULL) {
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device_printf(dev, "cannot allocate interrupt\n");
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error = ENXIO;
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goto fail_dres;
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}
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error = bus_dma_tag_create(
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bus_get_dma_tag(dev), /* parent */
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1, 0, /* alignment, boundary */
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BUS_SPACE_MAXADDR_24BIT, /* lowaddr */
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BUS_SPACE_MAXADDR, /* highaddr */
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NULL, NULL, /* filter, filterarg */
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BUS_SPACE_MAXSIZE_32BIT, /* maxsize */
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0, /* nsegments */
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BUS_SPACE_MAXSIZE_32BIT, /* maxsegsize */
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0, /* flags */
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NULL, NULL, /* lockfunc, lockarg */
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&lesc->sc_pdmat);
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if (error != 0) {
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device_printf(dev, "cannot allocate parent DMA tag\n");
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goto fail_ires;
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}
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sc->sc_memsize = LE_ISA_MEMSIZE;
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/*
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* For Am79C90, Am79C961 and Am79C961A the init block must be 2-byte
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* aligned and the ring descriptors must be 8-byte aligned.
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*/
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error = bus_dma_tag_create(
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lesc->sc_pdmat, /* parent */
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8, 0, /* alignment, boundary */
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BUS_SPACE_MAXADDR_24BIT, /* lowaddr */
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BUS_SPACE_MAXADDR, /* highaddr */
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NULL, NULL, /* filter, filterarg */
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sc->sc_memsize, /* maxsize */
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1, /* nsegments */
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sc->sc_memsize, /* maxsegsize */
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0, /* flags */
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NULL, NULL, /* lockfunc, lockarg */
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&lesc->sc_dmat);
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if (error != 0) {
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device_printf(dev, "cannot allocate buffer DMA tag\n");
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goto fail_pdtag;
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}
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error = bus_dmamem_alloc(lesc->sc_dmat, (void **)&sc->sc_mem,
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BUS_DMA_WAITOK | BUS_DMA_COHERENT, &lesc->sc_dmam);
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if (error != 0) {
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device_printf(dev, "cannot allocate DMA buffer memory\n");
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goto fail_dtag;
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}
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sc->sc_addr = 0;
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error = bus_dmamap_load(lesc->sc_dmat, lesc->sc_dmam, sc->sc_mem,
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sc->sc_memsize, le_isa_dma_callback, sc, 0);
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if (error != 0 || sc->sc_addr == 0) {
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device_printf(dev, "cannot load DMA buffer map\n");
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goto fail_dmem;
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}
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isa_dmacascade(rman_get_start(lesc->sc_dres));
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sc->sc_flags = 0;
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sc->sc_conf3 = 0;
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/*
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* Extract the physical MAC address from the ROM.
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*/
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for (i = 0; i < sizeof(sc->sc_enaddr); i++)
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sc->sc_enaddr[i] = bus_space_read_1(lesc->sc_regt,
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lesc->sc_regh, macstart + i * macstride);
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sc->sc_copytodesc = lance_copytobuf_contig;
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sc->sc_copyfromdesc = lance_copyfrombuf_contig;
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sc->sc_copytobuf = lance_copytobuf_contig;
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sc->sc_copyfrombuf = lance_copyfrombuf_contig;
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sc->sc_zerobuf = lance_zerobuf_contig;
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sc->sc_rdcsr = le_isa_rdcsr;
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sc->sc_wrcsr = le_isa_wrcsr;
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sc->sc_hwreset = NULL;
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sc->sc_hwinit = NULL;
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sc->sc_hwintr = NULL;
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sc->sc_nocarrier = NULL;
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sc->sc_mediachange = NULL;
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sc->sc_mediastatus = NULL;
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sc->sc_supmedia = NULL;
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error = am7990_config(&lesc->sc_am7990, device_get_name(dev),
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device_get_unit(dev));
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if (error != 0) {
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device_printf(dev, "cannot attach Am7990\n");
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goto fail_dmap;
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}
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error = bus_setup_intr(dev, lesc->sc_ires, INTR_TYPE_NET | INTR_MPSAFE,
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NULL, am7990_intr, sc, &lesc->sc_ih);
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if (error != 0) {
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device_printf(dev, "cannot set up interrupt\n");
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goto fail_am7990;
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}
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return (0);
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fail_am7990:
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am7990_detach(&lesc->sc_am7990);
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fail_dmap:
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bus_dmamap_unload(lesc->sc_dmat, lesc->sc_dmam);
|
|
fail_dmem:
|
|
bus_dmamem_free(lesc->sc_dmat, sc->sc_mem, lesc->sc_dmam);
|
|
fail_dtag:
|
|
bus_dma_tag_destroy(lesc->sc_dmat);
|
|
fail_pdtag:
|
|
bus_dma_tag_destroy(lesc->sc_pdmat);
|
|
fail_ires:
|
|
bus_release_resource(dev, SYS_RES_IRQ, lesc->sc_irid, lesc->sc_ires);
|
|
fail_dres:
|
|
bus_release_resource(dev, SYS_RES_DRQ, lesc->sc_drid, lesc->sc_dres);
|
|
fail_rres:
|
|
bus_release_resource(dev, SYS_RES_IOPORT, lesc->sc_rrid, lesc->sc_rres);
|
|
fail_mtx:
|
|
LE_LOCK_DESTROY(sc);
|
|
return (error);
|
|
}
|
|
|
|
static int
|
|
le_isa_detach(device_t dev)
|
|
{
|
|
struct le_isa_softc *lesc;
|
|
struct lance_softc *sc;
|
|
|
|
lesc = device_get_softc(dev);
|
|
sc = &lesc->sc_am7990.lsc;
|
|
|
|
bus_teardown_intr(dev, lesc->sc_ires, lesc->sc_ih);
|
|
am7990_detach(&lesc->sc_am7990);
|
|
bus_dmamap_unload(lesc->sc_dmat, lesc->sc_dmam);
|
|
bus_dmamem_free(lesc->sc_dmat, sc->sc_mem, lesc->sc_dmam);
|
|
bus_dma_tag_destroy(lesc->sc_dmat);
|
|
bus_dma_tag_destroy(lesc->sc_pdmat);
|
|
bus_release_resource(dev, SYS_RES_IRQ, lesc->sc_irid, lesc->sc_ires);
|
|
bus_release_resource(dev, SYS_RES_DRQ, lesc->sc_drid, lesc->sc_dres);
|
|
bus_release_resource(dev, SYS_RES_IOPORT, lesc->sc_rrid, lesc->sc_rres);
|
|
LE_LOCK_DESTROY(sc);
|
|
|
|
return (0);
|
|
}
|
|
|
|
static int
|
|
le_isa_suspend(device_t dev)
|
|
{
|
|
struct le_isa_softc *lesc;
|
|
|
|
lesc = device_get_softc(dev);
|
|
|
|
lance_suspend(&lesc->sc_am7990.lsc);
|
|
|
|
return (0);
|
|
}
|
|
|
|
static int
|
|
le_isa_resume(device_t dev)
|
|
{
|
|
struct le_isa_softc *lesc;
|
|
|
|
lesc = device_get_softc(dev);
|
|
|
|
lance_resume(&lesc->sc_am7990.lsc);
|
|
|
|
return (0);
|
|
}
|