/* * Product specific probe and attach routines for: * Adaptec 154x. * * Derived from code written by: * * Copyright (c) 1998 Justin T. Gibbs * All rights reserved. * * 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, * without modification, immediately at the beginning of the file. * 2. The name of the author may not be used to endorse or promote products * derived from this software without specific prior written permission. * * 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: src/sys/dev/aha/aha_isa.c,v 1.17.2.1 2000/08/02 22:24:40 peter Exp $ * $DragonFly: src/sys/dev/disk/aha/aha_isa.c,v 1.9 2006/10/25 20:55:53 dillon Exp $ */ #include #include #include #include #include #include #include #include "ahareg.h" #include static struct isa_pnp_id aha_ids[] = { {ADP0100_PNP, "Adaptec 1540/1542 ISA SCSI"}, /* ADP0100 */ {AHA1540_PNP, "Adaptec 1540/aha-1640/aha-1535"},/* ADP1542 */ {AHA1542_PNP, "Adaptec 1542/aha-1535"}, /* ADP1542 */ {AHA1542_PNPCOMPAT, "Adaptec 1542 compatible"}, /* PNP00A0 */ {ICU0091_PNP, "Adaptec AHA-1540/1542 SCSI"}, /* ICU0091 */ {0} }; /* * Check if the device can be found at the port given * and if so, set it up ready for further work * as an argument, takes the isa_device structure from * autoconf.c */ static int aha_isa_probe(device_t dev) { /* * find unit and check we have that many defined */ struct aha_softc **sc = device_get_softc(dev); struct aha_softc *aha; int port_index; int max_port_index; int error; u_long port_start, port_count; struct resource *port_res; int port_rid; int drq; int irq; aha = NULL; /* Check isapnp ids */ if (ISA_PNP_PROBE(device_get_parent(dev), dev, aha_ids) == ENXIO) return (ENXIO); error = bus_get_resource(dev, SYS_RES_IOPORT, 0, &port_start, &port_count); if (error != 0) port_start = 0; /* * Bound our board search if the user has * specified an exact port. */ aha_find_probe_range(port_start, &port_index, &max_port_index); if (port_index < 0) return ENXIO; /* Attempt to find an adapter */ for (;port_index <= max_port_index; port_index++) { config_data_t config_data; u_int ioport; int error; ioport = aha_iop_from_bio(port_index); error = bus_set_resource(dev, SYS_RES_IOPORT, 0, ioport, AHA_NREGS); if (error) return error; port_rid = 0; port_res = bus_alloc_resource(dev, SYS_RES_IOPORT, &port_rid, 0, ~0, AHA_NREGS, RF_ACTIVE); if (!port_res) continue; /* Allocate a softc for use during probing */ aha = aha_alloc(dev, rman_get_bustag(port_res), rman_get_bushandle(port_res)); if (aha == NULL) { bus_release_resource(dev, SYS_RES_IOPORT, port_rid, port_res); break; } /* See if there is really a card present */ if (aha_probe(aha) || aha_fetch_adapter_info(aha)) { aha_free(aha); bus_release_resource(dev, SYS_RES_IOPORT, port_rid, port_res); continue; } /* * Determine our IRQ, and DMA settings and * export them to the configuration system. */ error = aha_cmd(aha, AOP_INQUIRE_CONFIG, NULL, /*parmlen*/0, (u_int8_t*)&config_data, sizeof(config_data), DEFAULT_CMD_TIMEOUT); if (error != 0) { printf("aha_isa_probe: Could not determine IRQ or DMA " "settings for adapter at 0x%x. Failing probe\n", ioport); aha_free(aha); bus_release_resource(dev, SYS_RES_IOPORT, port_rid, port_res); continue; } bus_release_resource(dev, SYS_RES_IOPORT, port_rid, port_res); switch (config_data.dma_chan) { case DMA_CHAN_5: drq = 5; break; case DMA_CHAN_6: drq = 6; break; case DMA_CHAN_7: drq = 7; break; default: printf("aha_isa_probe: Invalid DMA setting " "detected for adapter at 0x%x. " "Failing probe\n", ioport); return (ENXIO); } error = bus_set_resource(dev, SYS_RES_DRQ, 0, drq, 1); if (error) return error; irq = ffs(config_data.irq) + 8; error = bus_set_resource(dev, SYS_RES_IRQ, 0, irq, 1); if (error) return error; *sc = aha; aha_unit++; return (0); } return (ENXIO); } /* * Attach all the sub-devices we can find */ static int aha_isa_attach(device_t dev) { struct aha_softc **sc = device_get_softc(dev); struct aha_softc *aha; bus_dma_filter_t *filter; void *filter_arg; bus_addr_t lowaddr; void *ih; int error; aha = *sc; aha->dev = dev; aha->portrid = 0; aha->port = bus_alloc_resource(dev, SYS_RES_IOPORT, &aha->portrid, 0, ~0, AHA_NREGS, RF_ACTIVE); if (!aha->port) { device_printf(dev, "Unable to allocate I/O ports\n"); return ENOMEM; } aha->irqrid = 0; aha->irq = bus_alloc_resource(dev, SYS_RES_IRQ, &aha->irqrid, 0, ~0, 1, RF_ACTIVE); if (!aha->irq) { device_printf(dev, "Unable to allocate excluse use of irq\n"); bus_release_resource(dev, SYS_RES_IOPORT, aha->portrid, aha->port); return ENOMEM; } aha->drqrid = 0; aha->drq = bus_alloc_resource(dev, SYS_RES_DRQ, &aha->drqrid, 0, ~0, 1, RF_ACTIVE); if (!aha->drq) { device_printf(dev, "Unable to allocate drq\n"); bus_release_resource(dev, SYS_RES_IOPORT, aha->portrid, aha->port); bus_release_resource(dev, SYS_RES_IRQ, aha->irqrid, aha->irq); return ENOMEM; } #if 0 /* is the drq ever unset? */ if (dev->id_drq != -1) isa_dmacascade(dev->id_drq); #endif isa_dmacascade(rman_get_start(aha->drq)); /* Allocate our parent dmatag */ filter = NULL; filter_arg = NULL; lowaddr = BUS_SPACE_MAXADDR_24BIT; if (bus_dma_tag_create(/*parent*/NULL, /*alignemnt*/1, /*boundary*/0, lowaddr, /*highaddr*/BUS_SPACE_MAXADDR, filter, filter_arg, /*maxsize*/BUS_SPACE_MAXSIZE_24BIT, /*nsegments*/BUS_SPACE_UNRESTRICTED, /*maxsegsz*/BUS_SPACE_MAXSIZE_24BIT, /*flags*/0, &aha->parent_dmat) != 0) { bus_release_resource(dev, SYS_RES_IOPORT, aha->portrid, aha->port); bus_release_resource(dev, SYS_RES_IRQ, aha->irqrid, aha->irq); bus_release_resource(dev, SYS_RES_DRQ, aha->drqrid, aha->drq); aha_free(aha); return (ENOMEM); } if (aha_init(aha)) { device_printf(dev, "init failed\n"); bus_release_resource(dev, SYS_RES_IOPORT, aha->portrid, aha->port); bus_release_resource(dev, SYS_RES_IRQ, aha->irqrid, aha->irq); bus_release_resource(dev, SYS_RES_DRQ, aha->drqrid, aha->drq); aha_free(aha); return (ENOMEM); } error = aha_attach(aha); if (error) { device_printf(dev, "attach failed\n"); bus_release_resource(dev, SYS_RES_IOPORT, aha->portrid, aha->port); bus_release_resource(dev, SYS_RES_IRQ, aha->irqrid, aha->irq); bus_release_resource(dev, SYS_RES_DRQ, aha->drqrid, aha->drq); aha_free(aha); return (error); } error = bus_setup_intr(dev, aha->irq, 0, aha_intr, aha, &ih, NULL); if (error) { device_printf(dev, "Unable to register interrupt handler\n"); bus_release_resource(dev, SYS_RES_IOPORT, aha->portrid, aha->port); bus_release_resource(dev, SYS_RES_IRQ, aha->irqrid, aha->irq); bus_release_resource(dev, SYS_RES_DRQ, aha->drqrid, aha->drq); aha_free(aha); return (error); } return (0); } static int aha_isa_detach(device_t dev) { struct aha_softc *aha = *(struct aha_softc **) device_get_softc(dev); int error; error = bus_teardown_intr(dev, aha->irq, aha->ih); if (error) { device_printf(dev, "failed to unregister interrupt handler\n"); } bus_release_resource(dev, SYS_RES_IOPORT, aha->portrid, aha->port); bus_release_resource(dev, SYS_RES_IRQ, aha->irqrid, aha->irq); bus_release_resource(dev, SYS_RES_DRQ, aha->drqrid, aha->drq); error = aha_detach(aha); if (error) { device_printf(dev, "detach failed\n"); return (error); } aha_free(aha); return (0); } static device_method_t aha_isa_methods[] = { /* Device interface */ DEVMETHOD(device_probe, aha_isa_probe), DEVMETHOD(device_attach, aha_isa_attach), DEVMETHOD(device_detach, aha_isa_detach), { 0, 0 } }; static driver_t aha_isa_driver = { "aha", aha_isa_methods, sizeof(struct aha_softc*), }; static devclass_t aha_devclass; DRIVER_MODULE(aha, isa, aha_isa_driver, aha_devclass, 0, 0);