aic_isa.c revision 92739
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 92739 2002-03-20 02:08:01Z alfred $ 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 5192739Salfredstatic int aic_isa_alloc_resources(device_t); 5292739Salfredstatic void aic_isa_release_resources(device_t); 5392739Salfredstatic int aic_isa_probe(device_t); 5492739Salfredstatic int aic_isa_attach(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 6077844Simpstatic struct isa_pnp_id aic_ids[] = { 6177844Simp { 0x15309004, "Adaptec AHA-1530P" }, 6277844Simp { 0x15209004, "Adaptec AHA-1520P" }, 6377844Simp { 0 } 6477844Simp}; 6577844Simp 6652417Sluoqistatic int 6752417Sluoqiaic_isa_alloc_resources(device_t dev) 6852417Sluoqi{ 6952417Sluoqi struct aic_isa_softc *sc = device_get_softc(dev); 7052417Sluoqi int rid; 7152417Sluoqi 7252417Sluoqi sc->sc_port = sc->sc_irq = sc->sc_drq = 0; 7352417Sluoqi 7452417Sluoqi rid = 0; 7552417Sluoqi sc->sc_port = bus_alloc_resource(dev, SYS_RES_IOPORT, &rid, 7652417Sluoqi 0ul, ~0ul, AIC_ISA_PORTSIZE, RF_ACTIVE); 7774370Sken if (!sc->sc_port) { 7874370Sken device_printf(dev, "I/O port allocation failed\n"); 7952417Sluoqi return (ENOMEM); 8074370Sken } 8152417Sluoqi 8252417Sluoqi if (isa_get_irq(dev) != -1) { 8352417Sluoqi rid = 0; 8452417Sluoqi sc->sc_irq = bus_alloc_resource(dev, SYS_RES_IRQ, &rid, 8552417Sluoqi 0ul, ~0ul, 1, RF_ACTIVE); 8652417Sluoqi if (!sc->sc_irq) { 8774370Sken device_printf(dev, "IRQ allocation failed\n"); 8852417Sluoqi aic_isa_release_resources(dev); 8952417Sluoqi return (ENOMEM); 9052417Sluoqi } 9152417Sluoqi } 9252417Sluoqi 9352417Sluoqi if (isa_get_drq(dev) != -1) { 9452417Sluoqi rid = 0; 9552417Sluoqi sc->sc_drq = bus_alloc_resource(dev, SYS_RES_DRQ, &rid, 9652417Sluoqi 0ul, ~0ul, 1, RF_ACTIVE); 9752417Sluoqi if (!sc->sc_drq) { 9874370Sken device_printf(dev, "DRQ allocation failed\n"); 9952417Sluoqi aic_isa_release_resources(dev); 10052417Sluoqi return (ENOMEM); 10152417Sluoqi } 10252417Sluoqi } 10352417Sluoqi 10452417Sluoqi sc->sc_aic.unit = device_get_unit(dev); 10552417Sluoqi sc->sc_aic.tag = rman_get_bustag(sc->sc_port); 10652417Sluoqi sc->sc_aic.bsh = rman_get_bushandle(sc->sc_port); 10752417Sluoqi return (0); 10852417Sluoqi} 10952417Sluoqi 11052417Sluoqistatic void 11152417Sluoqiaic_isa_release_resources(device_t dev) 11252417Sluoqi{ 11352417Sluoqi struct aic_isa_softc *sc = device_get_softc(dev); 11452417Sluoqi 11552417Sluoqi if (sc->sc_port) 11652417Sluoqi bus_release_resource(dev, SYS_RES_IOPORT, 0, sc->sc_port); 11752417Sluoqi if (sc->sc_irq) 11852417Sluoqi bus_release_resource(dev, SYS_RES_IRQ, 0, sc->sc_irq); 11952417Sluoqi if (sc->sc_drq) 12052417Sluoqi bus_release_resource(dev, SYS_RES_DRQ, 0, sc->sc_drq); 12152417Sluoqi sc->sc_port = sc->sc_irq = sc->sc_drq = 0; 12252417Sluoqi} 12352417Sluoqi 12452417Sluoqistatic int 12552417Sluoqiaic_isa_probe(device_t dev) 12652417Sluoqi{ 12752417Sluoqi struct aic_isa_softc *sc = device_get_softc(dev); 12852417Sluoqi struct aic_softc *aic = &sc->sc_aic; 12952417Sluoqi int numports, i; 13052417Sluoqi u_int port, *ports; 13152417Sluoqi u_int8_t porta; 13252417Sluoqi 13377844Simp if (ISA_PNP_PROBE(device_get_parent(dev), dev, aic_ids) == ENXIO) 13452417Sluoqi return (ENXIO); 13552417Sluoqi 13652417Sluoqi port = isa_get_port(dev); 13752417Sluoqi if (port != -1) { 13852417Sluoqi ports = &port; 13952417Sluoqi numports = 1; 14052417Sluoqi } else { 14152417Sluoqi ports = aic_isa_ports; 14252417Sluoqi numports = AIC_ISA_NUMPORTS; 14352417Sluoqi } 14452417Sluoqi 14552417Sluoqi for (i = 0; i < numports; i++) { 14652417Sluoqi if (bus_set_resource(dev, SYS_RES_IOPORT, 0, ports[i], 14752417Sluoqi AIC_ISA_PORTSIZE)) 14852417Sluoqi continue; 14952417Sluoqi if (aic_isa_alloc_resources(dev)) 15052417Sluoqi continue; 15152417Sluoqi if (!aic_probe(aic)) { 15252417Sluoqi aic_isa_release_resources(dev); 15352417Sluoqi break; 15452417Sluoqi } 15552417Sluoqi aic_isa_release_resources(dev); 15652417Sluoqi } 15752417Sluoqi 15852417Sluoqi if (i == numports) 15952417Sluoqi return (ENXIO); 16052417Sluoqi 16152417Sluoqi porta = aic_inb(aic, PORTA); 16252417Sluoqi if (isa_get_irq(dev) == -1) 16352417Sluoqi bus_set_resource(dev, SYS_RES_IRQ, 0, PORTA_IRQ(porta), 1); 16452417Sluoqi if ((aic->flags & AIC_DMA_ENABLE) && isa_get_drq(dev) == -1) 16552417Sluoqi bus_set_resource(dev, SYS_RES_DRQ, 0, PORTA_DRQ(porta), 1); 16654136Sluoqi device_set_desc(dev, "Adaptec 6260/6360 SCSI controller"); 16752417Sluoqi return (0); 16852417Sluoqi} 16952417Sluoqi 17052417Sluoqistatic int 17152417Sluoqiaic_isa_attach(device_t dev) 17252417Sluoqi{ 17352417Sluoqi struct aic_isa_softc *sc = device_get_softc(dev); 17452417Sluoqi struct aic_softc *aic = &sc->sc_aic; 17552417Sluoqi int error; 17652417Sluoqi 17752417Sluoqi error = aic_isa_alloc_resources(dev); 17852417Sluoqi if (error) { 17952417Sluoqi device_printf(dev, "resource allocation failed\n"); 18052417Sluoqi return (error); 18152417Sluoqi } 18252417Sluoqi 18352417Sluoqi error = aic_attach(aic); 18452417Sluoqi if (error) { 18552417Sluoqi device_printf(dev, "attach failed\n"); 18652417Sluoqi aic_isa_release_resources(dev); 18752417Sluoqi return (error); 18852417Sluoqi } 18952417Sluoqi 19073280Smarkm error = bus_setup_intr(dev, sc->sc_irq, INTR_TYPE_CAM|INTR_ENTROPY, 19173280Smarkm aic_intr, aic, &sc->sc_ih); 19252417Sluoqi if (error) { 19352417Sluoqi device_printf(dev, "failed to register interrupt handler\n"); 19452417Sluoqi aic_isa_release_resources(dev); 19552417Sluoqi return (error); 19652417Sluoqi } 19752417Sluoqi return (0); 19852417Sluoqi} 19952417Sluoqi 20052417Sluoqistatic int 20152417Sluoqiaic_isa_detach(device_t dev) 20252417Sluoqi{ 20352417Sluoqi struct aic_isa_softc *sc = device_get_softc(dev); 20452417Sluoqi struct aic_softc *aic = &sc->sc_aic; 20552417Sluoqi int error; 20652417Sluoqi 20752417Sluoqi error = aic_detach(aic); 20852417Sluoqi if (error) { 20952417Sluoqi device_printf(dev, "detach failed\n"); 21052417Sluoqi return (error); 21152417Sluoqi } 21252417Sluoqi 21352417Sluoqi error = bus_teardown_intr(dev, sc->sc_irq, sc->sc_ih); 21452417Sluoqi if (error) { 21552417Sluoqi device_printf(dev, "failed to unregister interrupt handler\n"); 21652417Sluoqi } 21752417Sluoqi 21852417Sluoqi aic_isa_release_resources(dev); 21952417Sluoqi return (0); 22052417Sluoqi} 22152417Sluoqi 22252417Sluoqistatic device_method_t aic_isa_methods[] = { 22352417Sluoqi /* Device interface */ 22452417Sluoqi DEVMETHOD(device_probe, aic_isa_probe), 22552417Sluoqi DEVMETHOD(device_attach, aic_isa_attach), 22652417Sluoqi DEVMETHOD(device_detach, aic_isa_detach), 22752417Sluoqi { 0, 0 } 22852417Sluoqi}; 22952417Sluoqi 23052417Sluoqistatic driver_t aic_isa_driver = { 23152417Sluoqi "aic", 23252417Sluoqi aic_isa_methods, sizeof(struct aic_isa_softc), 23352417Sluoqi}; 23452417Sluoqi 23555997Simpextern devclass_t aic_devclass; 23652417Sluoqi 23769960SimpMODULE_DEPEND(aic, cam, 1,1,1); 23852417SluoqiDRIVER_MODULE(aic, isa, aic_isa_driver, aic_devclass, 0, 0); 239