aic_isa.c revision 74370
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 74370 2001-03-16 22:20:19Z ken $ 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); 7174370Sken if (!sc->sc_port) { 7274370Sken device_printf(dev, "I/O port allocation failed\n"); 7352417Sluoqi return (ENOMEM); 7474370Sken } 7552417Sluoqi 7652417Sluoqi if (isa_get_irq(dev) != -1) { 7752417Sluoqi rid = 0; 7852417Sluoqi sc->sc_irq = bus_alloc_resource(dev, SYS_RES_IRQ, &rid, 7952417Sluoqi 0ul, ~0ul, 1, RF_ACTIVE); 8052417Sluoqi if (!sc->sc_irq) { 8174370Sken device_printf(dev, "IRQ allocation failed\n"); 8252417Sluoqi aic_isa_release_resources(dev); 8352417Sluoqi return (ENOMEM); 8452417Sluoqi } 8552417Sluoqi } 8652417Sluoqi 8752417Sluoqi if (isa_get_drq(dev) != -1) { 8852417Sluoqi rid = 0; 8952417Sluoqi sc->sc_drq = bus_alloc_resource(dev, SYS_RES_DRQ, &rid, 9052417Sluoqi 0ul, ~0ul, 1, RF_ACTIVE); 9152417Sluoqi if (!sc->sc_drq) { 9274370Sken device_printf(dev, "DRQ allocation failed\n"); 9352417Sluoqi aic_isa_release_resources(dev); 9452417Sluoqi return (ENOMEM); 9552417Sluoqi } 9652417Sluoqi } 9752417Sluoqi 9852417Sluoqi sc->sc_aic.unit = device_get_unit(dev); 9952417Sluoqi sc->sc_aic.tag = rman_get_bustag(sc->sc_port); 10052417Sluoqi sc->sc_aic.bsh = rman_get_bushandle(sc->sc_port); 10152417Sluoqi return (0); 10252417Sluoqi} 10352417Sluoqi 10452417Sluoqistatic void 10552417Sluoqiaic_isa_release_resources(device_t dev) 10652417Sluoqi{ 10752417Sluoqi struct aic_isa_softc *sc = device_get_softc(dev); 10852417Sluoqi 10952417Sluoqi if (sc->sc_port) 11052417Sluoqi bus_release_resource(dev, SYS_RES_IOPORT, 0, sc->sc_port); 11152417Sluoqi if (sc->sc_irq) 11252417Sluoqi bus_release_resource(dev, SYS_RES_IRQ, 0, sc->sc_irq); 11352417Sluoqi if (sc->sc_drq) 11452417Sluoqi bus_release_resource(dev, SYS_RES_DRQ, 0, sc->sc_drq); 11552417Sluoqi sc->sc_port = sc->sc_irq = sc->sc_drq = 0; 11652417Sluoqi} 11752417Sluoqi 11852417Sluoqistatic int 11952417Sluoqiaic_isa_probe(device_t dev) 12052417Sluoqi{ 12152417Sluoqi struct aic_isa_softc *sc = device_get_softc(dev); 12252417Sluoqi struct aic_softc *aic = &sc->sc_aic; 12352417Sluoqi int numports, i; 12452417Sluoqi u_int port, *ports; 12552417Sluoqi u_int8_t porta; 12652417Sluoqi 12752417Sluoqi if (isa_get_vendorid(dev)) 12852417Sluoqi return (ENXIO); 12952417Sluoqi 13052417Sluoqi port = isa_get_port(dev); 13152417Sluoqi if (port != -1) { 13252417Sluoqi ports = &port; 13352417Sluoqi numports = 1; 13452417Sluoqi } else { 13552417Sluoqi ports = aic_isa_ports; 13652417Sluoqi numports = AIC_ISA_NUMPORTS; 13752417Sluoqi } 13852417Sluoqi 13952417Sluoqi for (i = 0; i < numports; i++) { 14052417Sluoqi if (bus_set_resource(dev, SYS_RES_IOPORT, 0, ports[i], 14152417Sluoqi AIC_ISA_PORTSIZE)) 14252417Sluoqi continue; 14352417Sluoqi if (aic_isa_alloc_resources(dev)) 14452417Sluoqi continue; 14552417Sluoqi if (!aic_probe(aic)) { 14652417Sluoqi aic_isa_release_resources(dev); 14752417Sluoqi break; 14852417Sluoqi } 14952417Sluoqi aic_isa_release_resources(dev); 15052417Sluoqi } 15152417Sluoqi 15252417Sluoqi if (i == numports) 15352417Sluoqi return (ENXIO); 15452417Sluoqi 15552417Sluoqi porta = aic_inb(aic, PORTA); 15652417Sluoqi if (isa_get_irq(dev) == -1) 15752417Sluoqi bus_set_resource(dev, SYS_RES_IRQ, 0, PORTA_IRQ(porta), 1); 15852417Sluoqi if ((aic->flags & AIC_DMA_ENABLE) && isa_get_drq(dev) == -1) 15952417Sluoqi bus_set_resource(dev, SYS_RES_DRQ, 0, PORTA_DRQ(porta), 1); 16054136Sluoqi device_set_desc(dev, "Adaptec 6260/6360 SCSI controller"); 16152417Sluoqi return (0); 16252417Sluoqi} 16352417Sluoqi 16452417Sluoqistatic int 16552417Sluoqiaic_isa_attach(device_t dev) 16652417Sluoqi{ 16752417Sluoqi struct aic_isa_softc *sc = device_get_softc(dev); 16852417Sluoqi struct aic_softc *aic = &sc->sc_aic; 16952417Sluoqi int error; 17052417Sluoqi 17152417Sluoqi error = aic_isa_alloc_resources(dev); 17252417Sluoqi if (error) { 17352417Sluoqi device_printf(dev, "resource allocation failed\n"); 17452417Sluoqi return (error); 17552417Sluoqi } 17652417Sluoqi 17752417Sluoqi error = aic_attach(aic); 17852417Sluoqi if (error) { 17952417Sluoqi device_printf(dev, "attach failed\n"); 18052417Sluoqi aic_isa_release_resources(dev); 18152417Sluoqi return (error); 18252417Sluoqi } 18352417Sluoqi 18473280Smarkm error = bus_setup_intr(dev, sc->sc_irq, INTR_TYPE_CAM|INTR_ENTROPY, 18573280Smarkm aic_intr, aic, &sc->sc_ih); 18652417Sluoqi if (error) { 18752417Sluoqi device_printf(dev, "failed to register interrupt handler\n"); 18852417Sluoqi aic_isa_release_resources(dev); 18952417Sluoqi return (error); 19052417Sluoqi } 19152417Sluoqi return (0); 19252417Sluoqi} 19352417Sluoqi 19452417Sluoqistatic int 19552417Sluoqiaic_isa_detach(device_t dev) 19652417Sluoqi{ 19752417Sluoqi struct aic_isa_softc *sc = device_get_softc(dev); 19852417Sluoqi struct aic_softc *aic = &sc->sc_aic; 19952417Sluoqi int error; 20052417Sluoqi 20152417Sluoqi error = aic_detach(aic); 20252417Sluoqi if (error) { 20352417Sluoqi device_printf(dev, "detach failed\n"); 20452417Sluoqi return (error); 20552417Sluoqi } 20652417Sluoqi 20752417Sluoqi error = bus_teardown_intr(dev, sc->sc_irq, sc->sc_ih); 20852417Sluoqi if (error) { 20952417Sluoqi device_printf(dev, "failed to unregister interrupt handler\n"); 21052417Sluoqi } 21152417Sluoqi 21252417Sluoqi aic_isa_release_resources(dev); 21352417Sluoqi return (0); 21452417Sluoqi} 21552417Sluoqi 21652417Sluoqistatic device_method_t aic_isa_methods[] = { 21752417Sluoqi /* Device interface */ 21852417Sluoqi DEVMETHOD(device_probe, aic_isa_probe), 21952417Sluoqi DEVMETHOD(device_attach, aic_isa_attach), 22052417Sluoqi DEVMETHOD(device_detach, aic_isa_detach), 22152417Sluoqi { 0, 0 } 22252417Sluoqi}; 22352417Sluoqi 22452417Sluoqistatic driver_t aic_isa_driver = { 22552417Sluoqi "aic", 22652417Sluoqi aic_isa_methods, sizeof(struct aic_isa_softc), 22752417Sluoqi}; 22852417Sluoqi 22955997Simpextern devclass_t aic_devclass; 23052417Sluoqi 23169960SimpMODULE_DEPEND(aic, cam, 1,1,1); 23252417SluoqiDRIVER_MODULE(aic, isa, aic_isa_driver, aic_devclass, 0, 0); 233