/* * Copyright (c) 1998, Larry Lile * All rights reserved. * * For latest sources and information on this driver, please * go to http://anarchy.stdio.com. * * Questions, comments or suggestions should be directed to * Larry Lile . * * 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 unmodified, 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 AUTHOR 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 AUTHOR 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. * * $FreeBSD$ */ #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include "contrib/dev/oltr/trlld.h" #include "contrib/dev/oltr/if_oltrvar.h" extern TRlldDriver_t LldDriver; struct AdapterNameEntry { int type; char *name; } ; static struct AdapterNameEntry AdapterNameList[] = { { 1, "Olicom OC-3115" }, { 2, "Olicom ISA 16/4 Adapter (OC-3117)" }, { 3, "Olicom ISA 16/4 Adapter (OC-3118)" }, { 0, "Olicom Unsupported Adapter" } }; static int oltr_isa_probe __P((device_t)); static int oltr_isa_attach __P((device_t)); static struct isa_pnp_id oltr_ids[] = { { 0x0100833d, NULL }, /* OLC9430 */ { 0, NULL }, }; static int oltr_isa_probe(dev) device_t dev; { TRlldAdapterConfig_t config; struct resource *port_res; int port_rid; struct AdapterNameEntry *list; int error; int iobase; int success; error = ISA_PNP_PROBE(device_get_parent(dev), dev, oltr_ids); if (error != 0 && error != ENOENT) return (error); iobase = bus_get_resource_start(dev, SYS_RES_IOPORT, 0); if (iobase == 0) return (ENXIO); if (error == ENOENT && bus_set_resource(dev, SYS_RES_IOPORT, 0, iobase, OLTR_PORT_COUNT) < 0) return (ENXIO); port_rid = 0; port_res = bus_alloc_resource(dev, SYS_RES_IOPORT, &port_rid, 0, ~0, 0, RF_ACTIVE); if (port_res == NULL) return (ENXIO); success = TRlldIOAddressConfig(&LldDriver, &config, iobase); bus_release_resource(dev, SYS_RES_IOPORT, port_rid, port_res); if (!success) return (ENXIO); for (list = AdapterNameList; list->type != 0 && list->type != config.type; list++) ; device_set_desc(dev, list->name); return (0); } static void oltr_dmamap_callback(void *arg, bus_dma_segment_t *segs, int nseg, int error) { *(unsigned long *)arg = segs->ds_addr; } static int oltr_isa_attach(dev) device_t dev; { struct oltr_softc *sc = device_get_softc(dev); bus_dma_filter_t *filter; void *filter_arg; int scratch_size; int buffer_size; int iobase; int success; int s, i; s = splimp(); bzero(sc, sizeof(struct oltr_softc)); sc->unit = device_get_unit(dev); sc->state = OL_UNKNOWN; iobase = bus_get_resource_start(dev, SYS_RES_IOPORT, 0); if (iobase == 0) { device_printf(dev, "couldn't get base address\n"); goto config_failed; } sc->port_res = bus_alloc_resource(dev, SYS_RES_IOPORT, &sc->port_rid, 0, ~0, 0, RF_ACTIVE); if (sc->port_res == NULL) { device_printf(dev, "couldn't allocate io port\n"); goto config_failed; } success = TRlldIOAddressConfig(&LldDriver, &sc->config, iobase); if (success == 0) { device_printf(dev, "adapter configuration failed\n"); goto config_failed; } device_printf(dev, "MAC address %6D\n", sc->config.macaddress, ":"); if (sc->config.dmalevel != TRLLD_DMA_PIO) { sc->drq_rid = 0; sc->drq_res = bus_alloc_resource(dev, SYS_RES_DRQ, &sc->drq_rid, 0, ~0, 1, RF_ACTIVE); if (sc->drq_res == NULL) { device_printf(dev, "couldn't setup dma channel\n"); goto config_failed; } else isa_dmacascade(sc->config.dmalevel); } filter = NULL; filter_arg = NULL; if (bus_dma_tag_create(NULL, 1, 0, BUS_SPACE_MAXADDR_24BIT, BUS_SPACE_MAXADDR, filter, filter_arg, BUS_SPACE_MAXSIZE_24BIT, BUS_SPACE_UNRESTRICTED, BUS_SPACE_MAXSIZE_24BIT, 0, NULL, NULL, &sc->bus_tag) != 0) { device_printf(dev, "couldn't setup parent dma tag\n"); return (ENOMEM); } scratch_size = TRlldAdapterSize(); buffer_size = RING_BUFFER_LEN * (RX_BUFFER_LEN + TX_BUFFER_LEN); if (bus_dma_tag_create(sc->bus_tag, 1, 0, BUS_SPACE_MAXADDR, BUS_SPACE_MAXADDR, NULL, NULL, scratch_size + buffer_size, 1, BUS_SPACE_MAXSIZE_24BIT, 0, NULL, NULL, &sc->mem_tag) != 0) { device_printf(dev, "couldn't setup buffer dma tag\n"); goto config_failed; } if (bus_dmamem_alloc(sc->mem_tag, (void **)&sc->TRlldAdapter, BUS_DMA_NOWAIT, &sc->mem_map) != 0) { device_printf(dev, "couldn't alloc buffer memory\n"); goto config_failed; } bus_dmamap_load(sc->mem_tag, sc->mem_map, sc->TRlldAdapter, scratch_size + buffer_size, oltr_dmamap_callback, (void *)&sc->TRlldAdapter_phys, 0); if (sc->TRlldAdapter_phys == 0) { device_printf(dev, "couldn't load buffer memory\n"); goto config_failed; } /* * Allocate RX/TX Pools */ for (i = 0; i < RING_BUFFER_LEN; i++) { sc->rx_ring[i].index = i; sc->rx_ring[i].data = (char *)sc->TRlldAdapter + scratch_size + i * (RX_BUFFER_LEN + TX_BUFFER_LEN); sc->rx_ring[i].address = sc->TRlldAdapter_phys + scratch_size + i * (RX_BUFFER_LEN + TX_BUFFER_LEN); sc->tx_ring[i].index = i; sc->tx_ring[i].data = (char *)sc->TRlldAdapter + scratch_size + i * (RX_BUFFER_LEN + TX_BUFFER_LEN) + RX_BUFFER_LEN; sc->tx_ring[i].address = sc->TRlldAdapter_phys + scratch_size + i * (RX_BUFFER_LEN + TX_BUFFER_LEN) + RX_BUFFER_LEN; } if (oltr_attach(dev) != 0) goto config_failed; splx(s); return (0); config_failed: if (sc->port_res) { bus_release_resource(dev, SYS_RES_IOPORT, sc->port_rid, sc->port_res); sc->port_res = NULL; sc->port_rid = 0; } if (sc->oltr_intrhand) { bus_teardown_intr(dev, sc->irq_res, sc->oltr_intrhand); sc->oltr_intrhand = NULL; } if (sc->irq_res) { bus_release_resource(dev, SYS_RES_MEMORY, sc->irq_rid, sc->irq_res); sc->irq_res = NULL; sc->irq_rid = 0; } if (sc->drq_res) { bus_release_resource(dev, SYS_RES_DRQ, sc->drq_rid, sc->drq_res); sc->drq_res = NULL; sc->drq_rid = 0; } if (sc->TRlldAdapter) { bus_dmamem_free(sc->mem_tag, sc->TRlldAdapter, sc->mem_map); sc->TRlldAdapter = NULL; } if (sc->mem_map) { bus_dmamap_destroy(sc->mem_tag, sc->mem_map); sc->mem_map = NULL; } if (sc->mem_tag) { bus_dma_tag_destroy(sc->mem_tag); sc->mem_tag = NULL; } if (sc->bus_tag) { bus_dma_tag_destroy(sc->bus_tag); sc->bus_tag = NULL; } splx(s); return (ENXIO); } static device_method_t oltr_isa_methods[] = { /* Device interface */ DEVMETHOD(device_probe, oltr_isa_probe), DEVMETHOD(device_attach, oltr_isa_attach), { 0, 0 } }; static driver_t oltr_isa_driver = { "oltr", oltr_isa_methods, sizeof(struct oltr_softc) }; static devclass_t oltr_isa_devclass; DRIVER_MODULE(oltr, isa, oltr_isa_driver, oltr_isa_devclass, 0, 0); MODULE_DEPEND(oltr, isa, 1, 1, 1); MODULE_DEPEND(oltr, iso88025, 1, 1, 1);