The Design and Implementation of the FreeBSD Operating System, Second Edition
Now available: The Design and Implementation of the FreeBSD Operating System (Second Edition)


[ source navigation ] [ diff markup ] [ identifier search ] [ freetext search ] [ file search ] [ list types ] [ track identifier ]

FreeBSD/Linux Kernel Cross Reference
sys/dev/aic/aic_isa.c

Version: -  FREEBSD  -  FREEBSD-12-STABLE  -  FREEBSD-12-0  -  FREEBSD-11-STABLE  -  FREEBSD-11-2  -  FREEBSD-11-1  -  FREEBSD-11-0  -  FREEBSD-10-STABLE  -  FREEBSD-10-4  -  FREEBSD-10-3  -  FREEBSD-10-2  -  FREEBSD-10-1  -  FREEBSD-10-0  -  FREEBSD-9-STABLE  -  FREEBSD-9-3  -  FREEBSD-9-2  -  FREEBSD-9-1  -  FREEBSD-9-0  -  FREEBSD-8-STABLE  -  FREEBSD-8-4  -  FREEBSD-8-3  -  FREEBSD-8-2  -  FREEBSD-8-1  -  FREEBSD-8-0  -  FREEBSD-7-STABLE  -  FREEBSD-7-4  -  FREEBSD-7-3  -  FREEBSD-7-2  -  FREEBSD-7-1  -  FREEBSD-7-0  -  FREEBSD-6-STABLE  -  FREEBSD-6-4  -  FREEBSD-6-3  -  FREEBSD-6-2  -  FREEBSD-6-1  -  FREEBSD-6-0  -  FREEBSD-5-STABLE  -  FREEBSD-5-5  -  FREEBSD-5-4  -  FREEBSD-5-3  -  FREEBSD-5-2  -  FREEBSD-5-1  -  FREEBSD-5-0  -  FREEBSD-4-STABLE  -  FREEBSD-3-STABLE  -  FREEBSD22  -  linux-2.6  -  linux-2.4.22  -  MK83  -  MK84  -  PLAN9  -  DFBSD  -  NETBSD  -  NETBSD5  -  NETBSD4  -  NETBSD3  -  NETBSD20  -  OPENBSD  -  xnu-517  -  xnu-792  -  xnu-792.6.70  -  xnu-1228  -  xnu-1456.1.26  -  xnu-1699.24.8  -  xnu-2050.18.24  -  OPENSOLARIS  -  minix-3-1-1 
SearchContext: -  none  -  3  -  10 

    1 /*-
    2  * Copyright (c) 1999 Luoqi Chen.
    3  * All rights reserved.
    4  *
    5  * Redistribution and use in source and binary forms, with or without
    6  * modification, are permitted provided that the following conditions
    7  * are met:
    8  * 1. Redistributions of source code must retain the above copyright
    9  *    notice, this list of conditions and the following disclaimer.
   10  * 2. Redistributions in binary form must reproduce the above copyright
   11  *    notice, this list of conditions and the following disclaimer in the
   12  *    documentation and/or other materials provided with the distribution.
   13  *
   14  * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
   15  * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
   16  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
   17  * ARE DISCLAIMED.  IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
   18  * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
   19  * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
   20  * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
   21  * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
   22  * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
   23  * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
   24  * SUCH DAMAGE.
   25  */
   26 
   27 #include <sys/cdefs.h>
   28 __FBSDID("$FreeBSD: stable/11/sys/dev/aic/aic_isa.c 331722 2018-03-29 02:50:57Z eadler $");
   29 
   30 #include <sys/param.h>
   31 #include <sys/callout.h>
   32 #include <sys/kernel.h>
   33 #include <sys/lock.h>
   34 #include <sys/module.h>
   35 #include <sys/mutex.h>
   36 #include <sys/bus.h>
   37 
   38 #include <machine/bus.h>
   39 #include <machine/resource.h>
   40 #include <sys/rman.h>
   41  
   42 #include <isa/isavar.h>
   43 #include <dev/aic/aic6360reg.h>
   44 #include <dev/aic/aicvar.h>
   45   
   46 struct aic_isa_softc {
   47         struct  aic_softc sc_aic;
   48         struct  resource *sc_port;
   49         struct  resource *sc_irq;
   50         struct  resource *sc_drq;
   51         void    *sc_ih;
   52 };
   53 
   54 static int aic_isa_alloc_resources(device_t);
   55 static void aic_isa_release_resources(device_t);
   56 static int aic_isa_probe(device_t);
   57 static int aic_isa_attach(device_t);
   58 
   59 static u_int aic_isa_ports[] = { 0x340, 0x140 };
   60 
   61 #define AIC_ISA_NUMPORTS nitems(aic_isa_ports)
   62 #define AIC_ISA_PORTSIZE 0x20
   63 
   64 static struct isa_pnp_id aic_ids[] = {
   65         { 0x15309004, "Adaptec AHA-1530P" },
   66         { 0x15209004, "Adaptec AHA-1520P" },
   67         { 0 }
   68 };
   69 
   70 static int
   71 aic_isa_alloc_resources(device_t dev)
   72 {
   73         struct aic_isa_softc *sc = device_get_softc(dev);
   74         int rid;
   75 
   76         sc->sc_port = sc->sc_irq = sc->sc_drq = NULL;
   77 
   78         rid = 0;
   79         sc->sc_port = bus_alloc_resource_anywhere(dev, SYS_RES_IOPORT, &rid,
   80                                                 AIC_ISA_PORTSIZE, RF_ACTIVE);
   81         if (!sc->sc_port) {
   82                 device_printf(dev, "I/O port allocation failed\n");
   83                 return (ENOMEM);
   84         }
   85 
   86         if (isa_get_irq(dev) != -1) {
   87                 rid = 0;
   88                 sc->sc_irq = bus_alloc_resource_any(dev, SYS_RES_IRQ, &rid,
   89                                                     RF_ACTIVE);
   90                 if (!sc->sc_irq) {
   91                         device_printf(dev, "IRQ allocation failed\n");
   92                         aic_isa_release_resources(dev);
   93                         return (ENOMEM);
   94                 }
   95         }
   96 
   97         if (isa_get_drq(dev) != -1) {
   98                 rid = 0;
   99                 sc->sc_drq = bus_alloc_resource_any(dev, SYS_RES_DRQ, &rid,
  100                                                     RF_ACTIVE);
  101                 if (!sc->sc_drq) {
  102                         device_printf(dev, "DRQ allocation failed\n");
  103                         aic_isa_release_resources(dev);
  104                         return (ENOMEM);
  105                 }
  106         }
  107 
  108         sc->sc_aic.dev = dev;
  109         sc->sc_aic.res = sc->sc_port;
  110         mtx_init(&sc->sc_aic.lock, "aic", NULL, MTX_DEF);
  111         return (0);
  112 }
  113 
  114 static void
  115 aic_isa_release_resources(device_t dev)
  116 {
  117         struct aic_isa_softc *sc = device_get_softc(dev);
  118 
  119         if (sc->sc_port)
  120                 bus_release_resource(dev, SYS_RES_IOPORT, 0, sc->sc_port);
  121         if (sc->sc_irq)
  122                 bus_release_resource(dev, SYS_RES_IRQ, 0, sc->sc_irq);
  123         if (sc->sc_drq)
  124                 bus_release_resource(dev, SYS_RES_DRQ, 0, sc->sc_drq);
  125         sc->sc_port = sc->sc_irq = sc->sc_drq = NULL;
  126         mtx_destroy(&sc->sc_aic.lock);
  127 }
  128 
  129 static int
  130 aic_isa_probe(device_t dev)
  131 {
  132         struct aic_isa_softc *sc = device_get_softc(dev);
  133         struct aic_softc *aic = &sc->sc_aic;
  134         int numports, i;
  135         u_int port, *ports;
  136         u_int8_t porta;
  137 
  138         if (ISA_PNP_PROBE(device_get_parent(dev), dev, aic_ids) == ENXIO)
  139                 return (ENXIO);
  140 
  141         port = isa_get_port(dev);
  142         if (port != -1) {
  143                 ports = &port;
  144                 numports = 1;
  145         } else {
  146                 ports = aic_isa_ports;
  147                 numports = AIC_ISA_NUMPORTS;
  148         }
  149 
  150         for (i = 0; i < numports; i++) {
  151                 if (bus_set_resource(dev, SYS_RES_IOPORT, 0, ports[i],
  152                                      AIC_ISA_PORTSIZE))
  153                         continue;
  154                 if (aic_isa_alloc_resources(dev))
  155                         continue;
  156                 if (aic_probe(aic) == 0)
  157                         break;
  158                 aic_isa_release_resources(dev);
  159         }
  160 
  161         if (i == numports)
  162                 return (ENXIO);
  163 
  164         porta = aic_inb(aic, PORTA);
  165         aic_isa_release_resources(dev);
  166         if (isa_get_irq(dev) == -1)
  167                 bus_set_resource(dev, SYS_RES_IRQ, 0, PORTA_IRQ(porta), 1);
  168         if ((aic->flags & AIC_DMA_ENABLE) && isa_get_drq(dev) == -1)
  169                 bus_set_resource(dev, SYS_RES_DRQ, 0, PORTA_DRQ(porta), 1);
  170         device_set_desc(dev, "Adaptec 6260/6360 SCSI controller");
  171         return (0);
  172 }
  173 
  174 static int
  175 aic_isa_attach(device_t dev)
  176 {
  177         struct aic_isa_softc *sc = device_get_softc(dev);
  178         struct aic_softc *aic = &sc->sc_aic;
  179         int error;
  180 
  181         error = aic_isa_alloc_resources(dev);
  182         if (error) {
  183                 device_printf(dev, "resource allocation failed\n");
  184                 return (error);
  185         }
  186 
  187         error = aic_attach(aic);
  188         if (error) {
  189                 device_printf(dev, "attach failed\n");
  190                 aic_isa_release_resources(dev);
  191                 return (error);
  192         }
  193 
  194         error = bus_setup_intr(dev, sc->sc_irq, INTR_TYPE_CAM | INTR_ENTROPY |
  195             INTR_MPSAFE, NULL, aic_intr, aic, &sc->sc_ih);
  196         if (error) {
  197                 device_printf(dev, "failed to register interrupt handler\n");
  198                 aic_isa_release_resources(dev);
  199                 return (error);
  200         }
  201         return (0);
  202 }
  203 
  204 static int
  205 aic_isa_detach(device_t dev)
  206 {
  207         struct aic_isa_softc *sc = device_get_softc(dev);
  208         struct aic_softc *aic = &sc->sc_aic;
  209         int error;
  210 
  211         error = aic_detach(aic);
  212         if (error) {
  213                 device_printf(dev, "detach failed\n");
  214                 return (error);
  215         }
  216 
  217         error = bus_teardown_intr(dev, sc->sc_irq, sc->sc_ih);
  218         if (error) {
  219                 device_printf(dev, "failed to unregister interrupt handler\n");
  220         }
  221 
  222         aic_isa_release_resources(dev);
  223         return (0);
  224 }
  225 
  226 static device_method_t aic_isa_methods[] = {
  227         /* Device interface */
  228         DEVMETHOD(device_probe,         aic_isa_probe),
  229         DEVMETHOD(device_attach,        aic_isa_attach),
  230         DEVMETHOD(device_detach,        aic_isa_detach),
  231         { 0, 0 }
  232 };
  233 
  234 static driver_t aic_isa_driver = {
  235         "aic",
  236         aic_isa_methods, sizeof(struct aic_isa_softc),
  237 };
  238 
  239 extern devclass_t aic_devclass;
  240 
  241 MODULE_DEPEND(aic, cam, 1,1,1);
  242 DRIVER_MODULE(aic, isa, aic_isa_driver, aic_devclass, 0, 0);

Cache object: 20cfe2b9f38d1c614b4f9480ea38850f


[ source navigation ] [ diff markup ] [ identifier search ] [ freetext search ] [ file search ] [ list types ] [ track identifier ]


This page is part of the FreeBSD/Linux Linux Kernel Cross-Reference, and was automatically generated using a modified version of the LXR engine.