From a8bf95d0249565f4210ccab5c13232d501ce0c2d Mon Sep 17 00:00:00 2001 From: Till Straumann Date: Wed, 22 Apr 2009 22:06:58 +0000 Subject: - importing updated version from SLAC as of 20090422 --- bsd_eth_drivers/if_le/if_le_isa.c | 509 ++++++++++++++++++++++++++++++++++++++ 1 file changed, 509 insertions(+) create mode 100644 bsd_eth_drivers/if_le/if_le_isa.c (limited to 'bsd_eth_drivers/if_le/if_le_isa.c') diff --git a/bsd_eth_drivers/if_le/if_le_isa.c b/bsd_eth_drivers/if_le/if_le_isa.c new file mode 100644 index 0000000..9299943 --- /dev/null +++ b/bsd_eth_drivers/if_le/if_le_isa.c @@ -0,0 +1,509 @@ +/* $NetBSD: if_le_isa.c,v 1.41 2005/12/24 20:27:41 perry Exp $ */ + +/*- + * 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. + * 3. All advertising materials mentioning features or use of this software + * must display the following acknowledgement: + * This product includes software developed by the NetBSD + * Foundation, Inc. and its contributors. + * 4. Neither the name of The NetBSD Foundation 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 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 +__FBSDID("$FreeBSD: src/sys/dev/le/if_le_isa.c,v 1.4 2007/02/23 12:18:45 piso Exp $"); + +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include + +#include +#include +#include + +#include +#include + +#include + +#include +#include +#include + +#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 */ + + int sc_rrid; + struct resource *sc_rres; + bus_space_tag_t sc_regt; + bus_space_handle_t sc_regh; + + int sc_drid; + struct resource *sc_dres; + + int sc_irid; + 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 } +}; + +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); + +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_space_write_2(lesc->sc_regt, lesc->sc_regh, lesc->sc_rap, port); + bus_space_barrier(lesc->sc_regt, lesc->sc_regh, lesc->sc_rap, 2, + BUS_SPACE_BARRIER_WRITE); + bus_space_write_2(lesc->sc_regt, lesc->sc_regh, 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_space_write_2(lesc->sc_regt, lesc->sc_regh, lesc->sc_rap, port); + bus_space_barrier(lesc->sc_regt, lesc->sc_regh, lesc->sc_rap, 2, + BUS_SPACE_BARRIER_WRITE); + return (bus_space_read_2(lesc->sc_regt, lesc->sc_regh, 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; + + lesc = device_get_softc(dev); + sc = &lesc->sc_am7990.lsc; + + lesc->sc_rrid = 0; + lesc->sc_rres = bus_alloc_resource(dev, SYS_RES_IOPORT, &lesc->sc_rrid, + 0, ~0, leip->iosize, RF_ACTIVE); + if (lesc->sc_rres == NULL) + return (ENXIO); + lesc->sc_regt = rman_get_bustag(lesc->sc_rres); + lesc->sc_regh = rman_get_bushandle(lesc->sc_rres); + 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, lesc->sc_rrid, 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 < sizeof(le_isa_params) / + sizeof(le_isa_params[0]); 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, macstride; + + lesc = device_get_softc(dev); + sc = &lesc->sc_am7990.lsc; + + LE_LOCK_INIT(sc, device_get_nameunit(dev)); + + lesc->sc_rrid = 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, + &lesc->sc_rrid, RF_ACTIVE); + rap = PCNET_RAP; + rdp = PCNET_RDP; + macstart = 0; + macstride = 1; + break; + case ENOENT: + for (i = 0; i < sizeof(le_isa_params) / + sizeof(le_isa_params[0]); i++) { + if (le_isa_probe_legacy(dev, &le_isa_params[i]) == 0) { + lesc->sc_rres = bus_alloc_resource(dev, + SYS_RES_IOPORT, &lesc->sc_rrid, 0, ~0, + 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_regt = rman_get_bustag(lesc->sc_rres); + lesc->sc_regh = rman_get_bushandle(lesc->sc_rres); + lesc->sc_rap = rap; + lesc->sc_rdp = rdp; + + lesc->sc_drid = 0; + if ((lesc->sc_dres = bus_alloc_resource_any(dev, SYS_RES_DRQ, + &lesc->sc_drid, RF_ACTIVE)) == NULL) { + device_printf(dev, "cannot allocate DMA channel\n"); + error = ENXIO; + goto fail_rres; + } + + lesc->sc_irid = 0; + if ((lesc->sc_ires = bus_alloc_resource_any(dev, SYS_RES_IRQ, + &lesc->sc_irid, 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_space_read_1(lesc->sc_regt, + lesc->sc_regh, 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, 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); +} -- cgit v1.2.3