/*- * Copyright (c) 1999 Luoqi Chen. * 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. * 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: src/sys/dev/aic/aic_isa.c,v 1.3 2000/01/14 23:42:35 imp Exp $ */ #include #include #include #include #include #include #include "aic6360reg.h" #include "aicvar.h" struct aic_isa_softc { struct aic_softc sc_aic; struct resource *sc_port; struct resource *sc_irq; struct resource *sc_drq; void *sc_ih; }; static int aic_isa_alloc_resources (device_t); static void aic_isa_release_resources (device_t); static int aic_isa_probe (device_t); static int aic_isa_attach (device_t); static u_int aic_isa_ports[] = { 0x340, 0x140 }; #define AIC_ISA_NUMPORTS NELEM(aic_isa_ports) #define AIC_ISA_PORTSIZE 0x20 static struct isa_pnp_id aic_ids[] = { { 0x15309004, "Adaptec AHA-1530P" }, { 0x15209004, "Adaptec AHA-1520P" }, { 0 } }; static int aic_isa_alloc_resources(device_t dev) { struct aic_isa_softc *sc = device_get_softc(dev); int rid; sc->sc_port = sc->sc_irq = sc->sc_drq = 0; rid = 0; sc->sc_port = bus_alloc_resource(dev, SYS_RES_IOPORT, &rid, 0ul, ~0ul, AIC_ISA_PORTSIZE, RF_ACTIVE); if (!sc->sc_port) { device_printf(dev, "I/O port allocation failed\n"); return (ENOMEM); } if (isa_get_irq(dev) != -1) { rid = 0; sc->sc_irq = bus_alloc_resource_any(dev, SYS_RES_IRQ, &rid, RF_ACTIVE); if (!sc->sc_irq) { device_printf(dev, "IRQ allocation failed\n"); aic_isa_release_resources(dev); return (ENOMEM); } } if (isa_get_drq(dev) != -1) { rid = 0; sc->sc_drq = bus_alloc_resource_any(dev, SYS_RES_DRQ, &rid, RF_ACTIVE); if (!sc->sc_drq) { device_printf(dev, "DRQ allocation failed\n"); aic_isa_release_resources(dev); return (ENOMEM); } } sc->sc_aic.unit = device_get_unit(dev); sc->sc_aic.tag = rman_get_bustag(sc->sc_port); sc->sc_aic.bsh = rman_get_bushandle(sc->sc_port); return (0); } static void aic_isa_release_resources(device_t dev) { struct aic_isa_softc *sc = device_get_softc(dev); if (sc->sc_port) bus_release_resource(dev, SYS_RES_IOPORT, 0, sc->sc_port); if (sc->sc_irq) bus_release_resource(dev, SYS_RES_IRQ, 0, sc->sc_irq); if (sc->sc_drq) bus_release_resource(dev, SYS_RES_DRQ, 0, sc->sc_drq); sc->sc_port = sc->sc_irq = sc->sc_drq = 0; } static int aic_isa_probe(device_t dev) { struct aic_isa_softc *sc = device_get_softc(dev); struct aic_softc *aic = &sc->sc_aic; int numports, i; u_int port, *ports; u_int8_t porta; if (ISA_PNP_PROBE(device_get_parent(dev), dev, aic_ids) == ENXIO) return (ENXIO); port = isa_get_port(dev); if (port != -1) { ports = &port; numports = 1; } else { ports = aic_isa_ports; numports = AIC_ISA_NUMPORTS; } for (i = 0; i < numports; i++) { if (bus_set_resource(dev, SYS_RES_IOPORT, 0, ports[i], AIC_ISA_PORTSIZE)) continue; if (aic_isa_alloc_resources(dev)) continue; if (!aic_probe(aic)) { aic_isa_release_resources(dev); break; } aic_isa_release_resources(dev); } if (i == numports) return (ENXIO); porta = aic_inb(aic, PORTA); if (isa_get_irq(dev) == -1) bus_set_resource(dev, SYS_RES_IRQ, 0, PORTA_IRQ(porta), 1); if ((aic->flags & AIC_DMA_ENABLE) && isa_get_drq(dev) == -1) bus_set_resource(dev, SYS_RES_DRQ, 0, PORTA_DRQ(porta), 1); device_set_desc(dev, "Adaptec 6260/6360 SCSI controller"); return (0); } static int aic_isa_attach(device_t dev) { struct aic_isa_softc *sc = device_get_softc(dev); struct aic_softc *aic = &sc->sc_aic; int error; error = aic_isa_alloc_resources(dev); if (error) { device_printf(dev, "resource allocation failed\n"); return (error); } error = aic_attach(aic); if (error) { device_printf(dev, "attach failed\n"); aic_isa_release_resources(dev); return (error); } error = bus_setup_intr(dev, sc->sc_irq, 0, aic_intr, aic, &sc->sc_ih, NULL); if (error) { device_printf(dev, "failed to register interrupt handler\n"); aic_isa_release_resources(dev); return (error); } return (0); } static int aic_isa_detach(device_t dev) { struct aic_isa_softc *sc = device_get_softc(dev); struct aic_softc *aic = &sc->sc_aic; int error; error = aic_detach(aic); if (error) { device_printf(dev, "detach failed\n"); return (error); } error = bus_teardown_intr(dev, sc->sc_irq, sc->sc_ih); if (error) { device_printf(dev, "failed to unregister interrupt handler\n"); } aic_isa_release_resources(dev); return (0); } static device_method_t aic_isa_methods[] = { /* Device interface */ DEVMETHOD(device_probe, aic_isa_probe), DEVMETHOD(device_attach, aic_isa_attach), DEVMETHOD(device_detach, aic_isa_detach), { 0, 0 } }; static driver_t aic_isa_driver = { "aic", aic_isa_methods, sizeof(struct aic_isa_softc), }; extern devclass_t aic_devclass; MODULE_DEPEND(aic, cam, 1,1,1); DRIVER_MODULE(aic, isa, aic_isa_driver, aic_devclass, NULL, NULL);