aic_isa.c revision 69960
152417Sluoqi/*- 252417Sluoqi * Copyright (c) 1999 Luoqi Chen. 352417Sluoqi * All rights reserved. 452417Sluoqi * 552417Sluoqi * Redistribution and use in source and binary forms, with or without 652417Sluoqi * modification, are permitted provided that the following conditions 752417Sluoqi * are met: 852417Sluoqi * 1. Redistributions of source code must retain the above copyright 952417Sluoqi * notice, this list of conditions and the following disclaimer. 1052417Sluoqi * 2. Redistributions in binary form must reproduce the above copyright 1152417Sluoqi * notice, this list of conditions and the following disclaimer in the 1252417Sluoqi * documentation and/or other materials provided with the distribution. 1352417Sluoqi * 1452417Sluoqi * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND 1552417Sluoqi * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 1652417Sluoqi * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 1752417Sluoqi * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE 1852417Sluoqi * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 1952417Sluoqi * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 2052417Sluoqi * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 2152417Sluoqi * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 2252417Sluoqi * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 2352417Sluoqi * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 2452417Sluoqi * SUCH DAMAGE. 2552417Sluoqi * 2652417Sluoqi * $FreeBSD: head/sys/dev/aic/aic_isa.c 69960 2000-12-13 05:46:23Z imp $ 2752417Sluoqi */ 2852417Sluoqi 2952417Sluoqi#include <sys/param.h> 3052417Sluoqi#include <sys/kernel.h> 3152417Sluoqi#include <sys/module.h> 3252417Sluoqi#include <sys/bus.h> 3352417Sluoqi 3452417Sluoqi#include <machine/bus_pio.h> 3552417Sluoqi#include <machine/bus.h> 3652417Sluoqi#include <machine/resource.h> 3752417Sluoqi#include <sys/rman.h> 3852417Sluoqi 3952417Sluoqi#include <isa/isavar.h> 4052417Sluoqi#include <dev/aic/aic6360reg.h> 4152417Sluoqi#include <dev/aic/aicvar.h> 4252417Sluoqi 4352417Sluoqistruct aic_isa_softc { 4452417Sluoqi struct aic_softc sc_aic; 4552417Sluoqi struct resource *sc_port; 4652417Sluoqi struct resource *sc_irq; 4752417Sluoqi struct resource *sc_drq; 4852417Sluoqi void *sc_ih; 4952417Sluoqi}; 5052417Sluoqi 5152417Sluoqistatic int aic_isa_alloc_resources __P((device_t)); 5252417Sluoqistatic void aic_isa_release_resources __P((device_t)); 5354136Sluoqistatic int aic_isa_probe __P((device_t)); 5454136Sluoqistatic int aic_isa_attach __P((device_t)); 5552417Sluoqi 5652417Sluoqistatic u_int aic_isa_ports[] = { 0x340, 0x140 }; 5752417Sluoqi#define AIC_ISA_NUMPORTS (sizeof(aic_isa_ports) / sizeof(aic_isa_ports[0])) 5852417Sluoqi#define AIC_ISA_PORTSIZE 0x20 5952417Sluoqi 6052417Sluoqistatic int 6152417Sluoqiaic_isa_alloc_resources(device_t dev) 6252417Sluoqi{ 6352417Sluoqi struct aic_isa_softc *sc = device_get_softc(dev); 6452417Sluoqi int rid; 6552417Sluoqi 6652417Sluoqi sc->sc_port = sc->sc_irq = sc->sc_drq = 0; 6752417Sluoqi 6852417Sluoqi rid = 0; 6952417Sluoqi sc->sc_port = bus_alloc_resource(dev, SYS_RES_IOPORT, &rid, 7052417Sluoqi 0ul, ~0ul, AIC_ISA_PORTSIZE, RF_ACTIVE); 7152417Sluoqi if (!sc->sc_port) 7252417Sluoqi return (ENOMEM); 7352417Sluoqi 7452417Sluoqi if (isa_get_irq(dev) != -1) { 7552417Sluoqi rid = 0; 7652417Sluoqi sc->sc_irq = bus_alloc_resource(dev, SYS_RES_IRQ, &rid, 7752417Sluoqi 0ul, ~0ul, 1, RF_ACTIVE); 7852417Sluoqi if (!sc->sc_irq) { 7952417Sluoqi aic_isa_release_resources(dev); 8052417Sluoqi return (ENOMEM); 8152417Sluoqi } 8252417Sluoqi } 8352417Sluoqi 8452417Sluoqi if (isa_get_drq(dev) != -1) { 8552417Sluoqi rid = 0; 8652417Sluoqi sc->sc_drq = bus_alloc_resource(dev, SYS_RES_DRQ, &rid, 8752417Sluoqi 0ul, ~0ul, 1, RF_ACTIVE); 8852417Sluoqi if (!sc->sc_drq) { 8952417Sluoqi aic_isa_release_resources(dev); 9052417Sluoqi return (ENOMEM); 9152417Sluoqi } 9252417Sluoqi } 9352417Sluoqi 9452417Sluoqi sc->sc_aic.unit = device_get_unit(dev); 9552417Sluoqi sc->sc_aic.tag = rman_get_bustag(sc->sc_port); 9652417Sluoqi sc->sc_aic.bsh = rman_get_bushandle(sc->sc_port); 9752417Sluoqi return (0); 9852417Sluoqi} 9952417Sluoqi 10052417Sluoqistatic void 10152417Sluoqiaic_isa_release_resources(device_t dev) 10252417Sluoqi{ 10352417Sluoqi struct aic_isa_softc *sc = device_get_softc(dev); 10452417Sluoqi 10552417Sluoqi if (sc->sc_port) 10652417Sluoqi bus_release_resource(dev, SYS_RES_IOPORT, 0, sc->sc_port); 10752417Sluoqi if (sc->sc_irq) 10852417Sluoqi bus_release_resource(dev, SYS_RES_IRQ, 0, sc->sc_irq); 10952417Sluoqi if (sc->sc_drq) 11052417Sluoqi bus_release_resource(dev, SYS_RES_DRQ, 0, sc->sc_drq); 11152417Sluoqi sc->sc_port = sc->sc_irq = sc->sc_drq = 0; 11252417Sluoqi} 11352417Sluoqi 11452417Sluoqistatic int 11552417Sluoqiaic_isa_probe(device_t dev) 11652417Sluoqi{ 11752417Sluoqi struct aic_isa_softc *sc = device_get_softc(dev); 11852417Sluoqi struct aic_softc *aic = &sc->sc_aic; 11952417Sluoqi int numports, i; 12052417Sluoqi u_int port, *ports; 12152417Sluoqi u_int8_t porta; 12252417Sluoqi 12352417Sluoqi if (isa_get_vendorid(dev)) 12452417Sluoqi return (ENXIO); 12552417Sluoqi 12652417Sluoqi port = isa_get_port(dev); 12752417Sluoqi if (port != -1) { 12852417Sluoqi ports = &port; 12952417Sluoqi numports = 1; 13052417Sluoqi } else { 13152417Sluoqi ports = aic_isa_ports; 13252417Sluoqi numports = AIC_ISA_NUMPORTS; 13352417Sluoqi } 13452417Sluoqi 13552417Sluoqi for (i = 0; i < numports; i++) { 13652417Sluoqi if (bus_set_resource(dev, SYS_RES_IOPORT, 0, ports[i], 13752417Sluoqi AIC_ISA_PORTSIZE)) 13852417Sluoqi continue; 13952417Sluoqi if (aic_isa_alloc_resources(dev)) 14052417Sluoqi continue; 14152417Sluoqi if (!aic_probe(aic)) { 14252417Sluoqi aic_isa_release_resources(dev); 14352417Sluoqi break; 14452417Sluoqi } 14552417Sluoqi aic_isa_release_resources(dev); 14652417Sluoqi } 14752417Sluoqi 14852417Sluoqi if (i == numports) 14952417Sluoqi return (ENXIO); 15052417Sluoqi 15152417Sluoqi porta = aic_inb(aic, PORTA); 15252417Sluoqi if (isa_get_irq(dev) == -1) 15352417Sluoqi bus_set_resource(dev, SYS_RES_IRQ, 0, PORTA_IRQ(porta), 1); 15452417Sluoqi if ((aic->flags & AIC_DMA_ENABLE) && isa_get_drq(dev) == -1) 15552417Sluoqi bus_set_resource(dev, SYS_RES_DRQ, 0, PORTA_DRQ(porta), 1); 15654136Sluoqi device_set_desc(dev, "Adaptec 6260/6360 SCSI controller"); 15752417Sluoqi return (0); 15852417Sluoqi} 15952417Sluoqi 16052417Sluoqistatic int 16152417Sluoqiaic_isa_attach(device_t dev) 16252417Sluoqi{ 16352417Sluoqi struct aic_isa_softc *sc = device_get_softc(dev); 16452417Sluoqi struct aic_softc *aic = &sc->sc_aic; 16552417Sluoqi int error; 16652417Sluoqi 16752417Sluoqi error = aic_isa_alloc_resources(dev); 16852417Sluoqi if (error) { 16952417Sluoqi device_printf(dev, "resource allocation failed\n"); 17052417Sluoqi return (error); 17152417Sluoqi } 17252417Sluoqi 17352417Sluoqi error = aic_attach(aic); 17452417Sluoqi if (error) { 17552417Sluoqi device_printf(dev, "attach failed\n"); 17652417Sluoqi aic_isa_release_resources(dev); 17752417Sluoqi return (error); 17852417Sluoqi } 17952417Sluoqi 18052417Sluoqi error = bus_setup_intr(dev, sc->sc_irq, INTR_TYPE_CAM, aic_intr, 18152417Sluoqi aic, &sc->sc_ih); 18252417Sluoqi if (error) { 18352417Sluoqi device_printf(dev, "failed to register interrupt handler\n"); 18452417Sluoqi aic_isa_release_resources(dev); 18552417Sluoqi return (error); 18652417Sluoqi } 18752417Sluoqi return (0); 18852417Sluoqi} 18952417Sluoqi 19052417Sluoqistatic int 19152417Sluoqiaic_isa_detach(device_t dev) 19252417Sluoqi{ 19352417Sluoqi struct aic_isa_softc *sc = device_get_softc(dev); 19452417Sluoqi struct aic_softc *aic = &sc->sc_aic; 19552417Sluoqi int error; 19652417Sluoqi 19752417Sluoqi error = aic_detach(aic); 19852417Sluoqi if (error) { 19952417Sluoqi device_printf(dev, "detach failed\n"); 20052417Sluoqi return (error); 20152417Sluoqi } 20252417Sluoqi 20352417Sluoqi error = bus_teardown_intr(dev, sc->sc_irq, sc->sc_ih); 20452417Sluoqi if (error) { 20552417Sluoqi device_printf(dev, "failed to unregister interrupt handler\n"); 20652417Sluoqi } 20752417Sluoqi 20852417Sluoqi aic_isa_release_resources(dev); 20952417Sluoqi return (0); 21052417Sluoqi} 21152417Sluoqi 21252417Sluoqistatic device_method_t aic_isa_methods[] = { 21352417Sluoqi /* Device interface */ 21452417Sluoqi DEVMETHOD(device_probe, aic_isa_probe), 21552417Sluoqi DEVMETHOD(device_attach, aic_isa_attach), 21652417Sluoqi DEVMETHOD(device_detach, aic_isa_detach), 21752417Sluoqi { 0, 0 } 21852417Sluoqi}; 21952417Sluoqi 22052417Sluoqistatic driver_t aic_isa_driver = { 22152417Sluoqi "aic", 22252417Sluoqi aic_isa_methods, sizeof(struct aic_isa_softc), 22352417Sluoqi}; 22452417Sluoqi 22555997Simpextern devclass_t aic_devclass; 22652417Sluoqi 22769960SimpMODULE_DEPEND(aic, cam, 1,1,1); 22852417SluoqiDRIVER_MODULE(aic, isa, aic_isa_driver, aic_devclass, 0, 0); 229