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am7990.c
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am79900.c
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am79900reg.h
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am79900var.h
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am7990reg.h
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am7990var.h
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if_le_isa.c
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if_le_pci.c
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lance.c
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lancereg.h
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lancevar.h
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Editing: if_le_isa.c
/* $NetBSD: if_le_isa.c,v 1.41 2005/12/24 20:27:41 perry Exp $ */ /*- * SPDX-License-Identifier: BSD-2-Clause-NetBSD AND BSD-3-Clause * * Copyright (c) 1997, 1998 The NetBSD Foundation, Inc. * All rights reserved. * * This code is derived from software contributed to The NetBSD Foundation * by Charles M. Hannum and by Jason R. Thorpe of the Numerical Aerospace * Simulation Facility, NASA Ames Research Center. * * 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. Redistributions in binary form must reproduce the above copyright * notice, this list of conditions and the following disclaimer in the * documentation and/or other materials provided with the distribution. * * THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS * ``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 FOUNDATION OR CONTRIBUTORS * 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. */ /*- * Copyright (c) 1992, 1993 * The Regents of the University of California. All rights reserved. * * This code is derived from software contributed to Berkeley by * Ralph Campbell and Rick Macklem. * * 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. Redistributions in binary form must reproduce the above copyright * notice, this list of conditions and the following disclaimer in the * documentation and/or other materials provided with the distribution. * 3. Neither the name of the University nor the names of its contributors * may be used to endorse or promote products derived from this software * without specific prior written permission. * * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``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 REGENTS OR CONTRIBUTORS 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. * * @(#)if_le.c 8.2 (Berkeley) 11/16/93 */ #include <sys/cdefs.h> __FBSDID("$FreeBSD$"); #include <sys/param.h> #include <sys/systm.h> #include <sys/bus.h> #include <sys/endian.h> #include <sys/kernel.h> #include <sys/lock.h> #include <sys/module.h> #include <sys/mutex.h> #include <sys/resource.h> #include <sys/rman.h> #include <sys/socket.h> #include <net/ethernet.h> #include <net/if.h> #include <net/if_media.h> #include <machine/bus.h> #include <machine/resource.h> #include <isa/isavar.h> #include <dev/le/lancereg.h> #include <dev/le/lancevar.h> #include <dev/le/am7990var.h> #define LE_ISA_MEMSIZE (16*1024) #define PCNET_RDP 0x10 #define PCNET_RAP 0x12 struct le_isa_softc { struct am7990_softc sc_am7990; /* glue to MI code */ bus_size_t sc_rap; /* offsets to LANCE... */ bus_size_t sc_rdp; /* ...registers */ struct resource *sc_rres; struct resource *sc_dres; struct resource *sc_ires; void *sc_ih; bus_dma_tag_t sc_pdmat; bus_dma_tag_t sc_dmat; bus_dmamap_t sc_dmam; }; static device_probe_t le_isa_probe; static device_attach_t le_isa_attach; static device_detach_t le_isa_detach; static device_resume_t le_isa_resume; static device_suspend_t le_isa_suspend; static device_method_t le_isa_methods[] = { /* Device interface */ DEVMETHOD(device_probe, le_isa_probe), DEVMETHOD(device_attach, le_isa_attach), DEVMETHOD(device_detach, le_isa_detach), /* We can just use the suspend method here. */ DEVMETHOD(device_shutdown, le_isa_suspend), DEVMETHOD(device_suspend, le_isa_suspend), DEVMETHOD(device_resume, le_isa_resume), { 0, 0 } }; struct le_isa_param { const char *name; u_long iosize; bus_size_t rap; bus_size_t rdp; bus_size_t macstart; int macstride; } static const le_isa_params[] = { { "BICC Isolan", 24, 0xe, 0xc, 0, 2 }, { "Novell NE2100", 16, 0x12, 0x10, 0, 1 } }; static struct isa_pnp_id le_isa_ids[] = { { 0x0322690e, "Cabletron E2200 Single Chip" }, /* CSI2203 */ { 0x0110490a, "Boca LANCard Combo" }, /* BRI1001 */ { 0x0100a60a, "Melco Inc. LGY-IV" }, /* BUF0001 */ { 0xd880d041, "Novell NE2100" }, /* PNP80D8 */ { 0x0082d041, "Cabletron E2100 Series DNI" }, /* PNP8200 */ { 0x3182d041, "AMD AM1500T/AM2100" }, /* PNP8231 */ { 0x8c82d041, "AMD PCnet-ISA" }, /* PNP828C */ { 0x8d82d041, "AMD PCnet-32" }, /* PNP828D */ { 0xcefaedfe, "Racal InterLan EtherBlaster" }, /* _WMFACE */ { 0, NULL } }; static void le_isa_wrcsr(struct lance_softc *, uint16_t, uint16_t); static uint16_t le_isa_rdcsr(struct lance_softc *, uint16_t); static bus_dmamap_callback_t le_isa_dma_callback; static int le_isa_probe_legacy(device_t, const struct le_isa_param *); static void le_isa_wrcsr(struct lance_softc *sc, uint16_t port, uint16_t val) { struct le_isa_softc *lesc = (struct le_isa_softc *)sc; bus_write_2(lesc->sc_rres, lesc->sc_rap, port); bus_barrier(lesc->sc_rres, lesc->sc_rap, 2, BUS_SPACE_BARRIER_WRITE); bus_write_2(lesc->sc_rres, lesc->sc_rdp, val); } static uint16_t le_isa_rdcsr(struct lance_softc *sc, uint16_t port) { struct le_isa_softc *lesc = (struct le_isa_softc *)sc; bus_write_2(lesc->sc_rres, lesc->sc_rap, port); bus_barrier(lesc->sc_rres, lesc->sc_rap, 2, BUS_SPACE_BARRIER_WRITE); return (bus_read_2(lesc->sc_rres, lesc->sc_rdp)); } static void le_isa_dma_callback(void *xsc, bus_dma_segment_t *segs, int nsegs, int error) { struct lance_softc *sc = (struct lance_softc *)xsc; if (error != 0) return; KASSERT(nsegs == 1, ("%s: bad DMA segment count", __func__)); sc->sc_addr = segs[0].ds_addr; } static int le_isa_probe_legacy(device_t dev, const struct le_isa_param *leip) { struct le_isa_softc *lesc; struct lance_softc *sc; int error, i; lesc = device_get_softc(dev); sc = &lesc->sc_am7990.lsc; i = 0; lesc->sc_rres = bus_alloc_resource_anywhere(dev, SYS_RES_IOPORT, &i, leip->iosize, RF_ACTIVE); if (lesc->sc_rres == NULL) return (ENXIO); lesc->sc_rap = leip->rap; lesc->sc_rdp = leip->rdp; /* Stop the chip and put it in a known state. */ le_isa_wrcsr(sc, LE_CSR0, LE_C0_STOP); DELAY(100); if (le_isa_rdcsr(sc, LE_CSR0) != LE_C0_STOP) { error = ENXIO; goto fail; } le_isa_wrcsr(sc, LE_CSR3, 0); error = 0; fail: bus_release_resource(dev, SYS_RES_IOPORT, rman_get_rid(lesc->sc_rres), lesc->sc_rres); return (error); } static int le_isa_probe(device_t dev) { int i; switch (ISA_PNP_PROBE(device_get_parent(dev), dev, le_isa_ids)) { case 0: return (BUS_PROBE_DEFAULT); case ENOENT: for (i = 0; i < nitems(le_isa_params); i++) { if (le_isa_probe_legacy(dev, &le_isa_params[i]) == 0) { device_set_desc(dev, le_isa_params[i].name); return (BUS_PROBE_DEFAULT); } } /* FALLTHROUGH */ case ENXIO: default: return (ENXIO); } } static int le_isa_attach(device_t dev) { struct le_isa_softc *lesc; struct lance_softc *sc; bus_size_t macstart, rap, rdp; int error, i, j, macstride; lesc = device_get_softc(dev); sc = &lesc->sc_am7990.lsc; LE_LOCK_INIT(sc, device_get_nameunit(dev)); j = 0; switch (ISA_PNP_PROBE(device_get_parent(dev), dev, le_isa_ids)) { case 0: lesc->sc_rres = bus_alloc_resource_any(dev, SYS_RES_IOPORT, &j, RF_ACTIVE); rap = PCNET_RAP; rdp = PCNET_RDP; macstart = 0; macstride = 1; break; case ENOENT: for (i = 0; i < nitems(le_isa_params); i++) { if (le_isa_probe_legacy(dev, &le_isa_params[i]) == 0) { lesc->sc_rres = bus_alloc_resource_anywhere(dev, SYS_RES_IOPORT, &j, le_isa_params[i].iosize, RF_ACTIVE); rap = le_isa_params[i].rap; rdp = le_isa_params[i].rdp; macstart = le_isa_params[i].macstart; macstride = le_isa_params[i].macstride; goto found; } } /* FALLTHROUGH */ case ENXIO: default: device_printf(dev, "cannot determine chip\n"); error = ENXIO; goto fail_mtx; } found: if (lesc->sc_rres == NULL) { device_printf(dev, "cannot allocate registers\n"); error = ENXIO; goto fail_mtx; } lesc->sc_rap = rap; lesc->sc_rdp = rdp; i = 0; if ((lesc->sc_dres = bus_alloc_resource_any(dev, SYS_RES_DRQ, &i, RF_ACTIVE)) == NULL) { device_printf(dev, "cannot allocate DMA channel\n"); error = ENXIO; goto fail_rres; } i = 0; if ((lesc->sc_ires = bus_alloc_resource_any(dev, SYS_RES_IRQ, &i, RF_SHAREABLE | RF_ACTIVE)) == NULL) { device_printf(dev, "cannot allocate interrupt\n"); error = ENXIO; goto fail_dres; } error = bus_dma_tag_create( bus_get_dma_tag(dev), /* parent */ 1, 0, /* alignment, boundary */ BUS_SPACE_MAXADDR_24BIT, /* lowaddr */ BUS_SPACE_MAXADDR, /* highaddr */ NULL, NULL, /* filter, filterarg */ BUS_SPACE_MAXSIZE_32BIT, /* maxsize */ 0, /* nsegments */ BUS_SPACE_MAXSIZE_32BIT, /* maxsegsize */ 0, /* flags */ NULL, NULL, /* lockfunc, lockarg */ &lesc->sc_pdmat); if (error != 0) { device_printf(dev, "cannot allocate parent DMA tag\n"); goto fail_ires; } sc->sc_memsize = LE_ISA_MEMSIZE; /* * For Am79C90, Am79C961 and Am79C961A the init block must be 2-byte * aligned and the ring descriptors must be 8-byte aligned. */ error = bus_dma_tag_create( lesc->sc_pdmat, /* parent */ 8, 0, /* alignment, boundary */ BUS_SPACE_MAXADDR_24BIT, /* lowaddr */ BUS_SPACE_MAXADDR, /* highaddr */ NULL, NULL, /* filter, filterarg */ sc->sc_memsize, /* maxsize */ 1, /* nsegments */ sc->sc_memsize, /* maxsegsize */ 0, /* flags */ NULL, NULL, /* lockfunc, lockarg */ &lesc->sc_dmat); if (error != 0) { device_printf(dev, "cannot allocate buffer DMA tag\n"); goto fail_pdtag; } error = bus_dmamem_alloc(lesc->sc_dmat, (void **)&sc->sc_mem, BUS_DMA_WAITOK | BUS_DMA_COHERENT, &lesc->sc_dmam); if (error != 0) { device_printf(dev, "cannot allocate DMA buffer memory\n"); goto fail_dtag; } sc->sc_addr = 0; error = bus_dmamap_load(lesc->sc_dmat, lesc->sc_dmam, sc->sc_mem, sc->sc_memsize, le_isa_dma_callback, sc, 0); if (error != 0 || sc->sc_addr == 0) { device_printf(dev, "cannot load DMA buffer map\n"); goto fail_dmem; } isa_dmacascade(rman_get_start(lesc->sc_dres)); sc->sc_flags = 0; sc->sc_conf3 = 0; /* * Extract the physical MAC address from the ROM. */ for (i = 0; i < sizeof(sc->sc_enaddr); i++) sc->sc_enaddr[i] = bus_read_1(lesc->sc_rres, macstart + i * macstride); sc->sc_copytodesc = lance_copytobuf_contig; sc->sc_copyfromdesc = lance_copyfrombuf_contig; sc->sc_copytobuf = lance_copytobuf_contig; sc->sc_copyfrombuf = lance_copyfrombuf_contig; sc->sc_zerobuf = lance_zerobuf_contig; sc->sc_rdcsr = le_isa_rdcsr; sc->sc_wrcsr = le_isa_wrcsr; sc->sc_hwreset = NULL; sc->sc_hwinit = NULL; sc->sc_hwintr = NULL; sc->sc_nocarrier = NULL; sc->sc_mediachange = NULL; sc->sc_mediastatus = NULL; sc->sc_supmedia = NULL; error = am7990_config(&lesc->sc_am7990, device_get_name(dev), device_get_unit(dev)); if (error != 0) { device_printf(dev, "cannot attach Am7990\n"); goto fail_dmap; } error = bus_setup_intr(dev, lesc->sc_ires, INTR_TYPE_NET | INTR_MPSAFE, NULL, am7990_intr, sc, &lesc->sc_ih); if (error != 0) { device_printf(dev, "cannot set up interrupt\n"); goto fail_am7990; } return (0); fail_am7990: am7990_detach(&lesc->sc_am7990); fail_dmap: 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, rman_get_rid(lesc->sc_ires), lesc->sc_ires); fail_dres: bus_release_resource(dev, SYS_RES_DRQ, rman_get_rid(lesc->sc_dres), lesc->sc_dres); fail_rres: bus_release_resource(dev, SYS_RES_IOPORT, rman_get_rid(lesc->sc_rres), 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, rman_get_rid(lesc->sc_ires), lesc->sc_ires); bus_release_resource(dev, SYS_RES_DRQ, rman_get_rid(lesc->sc_dres), lesc->sc_dres); bus_release_resource(dev, SYS_RES_IOPORT, rman_get_rid(lesc->sc_rres), 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); } DEFINE_CLASS_0(le, le_isa_driver, le_isa_methods, sizeof(struct le_isa_softc)); DRIVER_MODULE(le, isa, le_isa_driver, le_devclass, 0, 0); MODULE_DEPEND(le, ether, 1, 1, 1); ISA_PNP_INFO(le_isa_ids);
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