bt_eisa.c

Version: - FREEBSD - FREEBSD-13-STABLE - FREEBSD-13-0 - FREEBSD-12-STABLE - FREEBSD-12-0 - FREEBSD-11-STABLE - FREEBSD-11-0 - FREEBSD-10-STABLE - FREEBSD-10-0 - FREEBSD-9-STABLE - FREEBSD-9-0 - FREEBSD-8-STABLE - FREEBSD-8-0 - FREEBSD-7-STABLE - FREEBSD-7-0 - FREEBSD-6-STABLE - FREEBSD-6-0 - FREEBSD-5-STABLE - FREEBSD-5-0 - FREEBSD-4-STABLE - FREEBSD-3-STABLE - FREEBSD22 - l41 - OPENBSD - linux-2.6 - MK84 - PLAN9 - xnu-8792
SearchContext: - none - 3 - 10
    1 /*
    2  * Product specific probe and attach routines for:
    3  *      Buslogic BT74x SCSI controllers
    4  *
    5  * Copyright (c) 1995, 1998, 1999 Justin T. Gibbs
    6  * All rights reserved.
    7  *
    8  * Redistribution and use in source and binary forms, with or without
    9  * modification, are permitted provided that the following conditions
   10  * are met:
   11  * 1. Redistributions of source code must retain the above copyright
   12  *    notice immediately at the beginning of the file, without modification,
   13  *    this list of conditions, and the following disclaimer.
   14  * 2. The name of the author may not be used to endorse or promote products
   15  *    derived from this software without specific prior written permission.
   16  *
   17  * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
   18  * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
   19  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
   20  * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE FOR
   21  * ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
   22  * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
   23  * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
   24  * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
   25  * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
   26  * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
   27  * SUCH DAMAGE.
   28  *
   29  */
   30 
   31 #include <sys/cdefs.h>
   32 __FBSDID("$FreeBSD: releng/5.2/sys/dev/buslogic/bt_eisa.c 119418 2003-08-24 17:55:58Z obrien $");
   33 
   34 #include <sys/param.h>
   35 #include <sys/systm.h>
   36 #include <sys/kernel.h>
   37 #include <sys/module.h>
   38 #include <sys/lock.h>
   39 #include <sys/mutex.h>
   40 #include <sys/bus.h>
   41 
   42 #include <machine/bus_pio.h>
   43 #include <machine/bus.h>
   44 #include <machine/resource.h>
   45 #include <sys/rman.h>
   46 
   47 #include <dev/eisa/eisaconf.h>
   48 
   49 #include <dev/buslogic/btreg.h>
   50 
   51 #define EISA_DEVICE_ID_BUSLOGIC_74X_B   0x0ab34201
   52 #define EISA_DEVICE_ID_BUSLOGIC_74X_C   0x0ab34202
   53 #define EISA_DEVICE_ID_SDC3222B         0x0ab34281
   54 #define EISA_DEVICE_ID_SDC3222F         0x0ab34781
   55 #define EISA_DEVICE_ID_SDC3222WS        0x0ab34981
   56 #define EISA_DEVICE_ID_SDC3222WB        0x0ab34982
   57 #define EISA_DEVICE_ID_AMI_4801         0x05a94801
   58 
   59 #define BT_IOSIZE               0x04            /* Move to central header */
   60 #define BT_EISA_IOSIZE          0x100
   61 #define BT_EISA_SLOT_OFFSET     0xc00
   62 
   63 #define EISA_IOCONF                     0x08C
   64 #define         PORTADDR                0x07
   65 #define                 PORT_330        0x00
   66 #define                 PORT_334        0x01
   67 #define                 PORT_230        0x02
   68 #define                 PORT_234        0x03
   69 #define                 PORT_130        0x04
   70 #define                 PORT_134        0x05
   71 #define         IRQ_CHANNEL             0xe0
   72 #define                 INT_11          0x40
   73 #define                 INT_10          0x20
   74 #define                 INT_15          0xa0
   75 #define                 INT_12          0x60
   76 #define                 INT_14          0x80
   77 #define                 INT_9           0x00
   78 
   79 #define EISA_IRQ_TYPE                   0x08D
   80 #define       LEVEL                     0x40
   81 
   82 /* Definitions for the AMI Series 48 controler */
   83 #define AMI_EISA_IOSIZE                 0x500   /* Two separate ranges?? */
   84 #define AMI_EISA_SLOT_OFFSET            0x800
   85 #define AMI_EISA_IOCONF                 0x000
   86 #define         AMI_DMA_CHANNEL         0x03
   87 #define         AMI_IRQ_CHANNEL         0x1c
   88 #define                 AMI_INT_15      0x14
   89 #define                 AMI_INT_14      0x10
   90 #define                 AMI_INT_12      0x0c
   91 #define                 AMI_INT_11      0x00
   92 #define                 AMI_INT_10      0x08
   93 #define                 AMI_INT_9       0x04
   94 #define         AMI_BIOS_ADDR           0xe0
   95 
   96 #define AMI_EISA_IOCONF1                0x001
   97 #define         AMI_PORTADDR            0x0e
   98 #define                 AMI_PORT_334    0x08
   99 #define                 AMI_PORT_330    0x00
  100 #define                 AMI_PORT_234    0x0c
  101 #define                 AMI_PORT_230    0x04
  102 #define                 AMI_PORT_134    0x0a
  103 #define                 AMI_PORT_130    0x02
  104 #define         AMI_IRQ_LEVEL           0x01
  105 
  106 
  107 #define AMI_MISC2_OPTIONS               0x49E
  108 #define         AMI_ENABLE_ISA_DMA      0x08
  109 
  110 static const char *bt_match(eisa_id_t type);
  111 
  112 static int
  113 bt_eisa_alloc_resources(device_t dev)
  114 {
  115         struct  bt_softc *bt = device_get_softc(dev);
  116         int rid;
  117         struct resource *port;
  118         struct resource *irq;
  119         int shared;
  120 
  121         /*
  122          * XXX assumes that the iospace ranges are sorted in increasing
  123          * order.
  124          */
  125         rid = 0;
  126         port = bus_alloc_resource(dev, SYS_RES_IOPORT, &rid,
  127                                   0, ~0, 1, RF_ACTIVE);
  128         if (!port)
  129                 return (ENOMEM);
  130 
  131         bt_init_softc(dev, port, 0, 0);
  132 
  133         if (eisa_get_irq(dev) != -1) {
  134                 shared = bt->level_trigger_ints ? RF_SHAREABLE : 0;
  135                 rid = 0;
  136                 irq = bus_alloc_resource(dev, SYS_RES_IRQ, &rid,
  137                                          0, ~0, 1, shared | RF_ACTIVE);
  138                 if (!irq) {
  139                         if (port)
  140                                 bus_release_resource(dev, SYS_RES_IOPORT,
  141                                                      0, port);
  142                         return (ENOMEM);
  143                 }
  144         } else
  145                 irq = 0;
  146         bt->irq = irq;
  147 
  148         return (0);
  149 }
  150 
  151 static void
  152 bt_eisa_release_resources(device_t dev)
  153 {
  154         struct  bt_softc *bt = device_get_softc(dev);
  155 
  156         if (bt->port)
  157                 bus_release_resource(dev, SYS_RES_IOPORT, 0, bt->port);
  158         if (bt->irq)
  159                 bus_release_resource(dev, SYS_RES_IRQ, 0, bt->irq);
  160         bt_free_softc(dev);
  161 }
  162 
  163 static const char*
  164 bt_match(eisa_id_t type)
  165 {
  166         switch(type) {
  167                 case EISA_DEVICE_ID_BUSLOGIC_74X_B:
  168                         return ("Buslogic 74xB SCSI host adapter");
  169                 case EISA_DEVICE_ID_BUSLOGIC_74X_C:
  170                         return ("Buslogic 74xC SCSI host adapter");
  171                 case EISA_DEVICE_ID_SDC3222B:
  172                         return ("Storage Dimensions SDC3222B SCSI host adapter");
  173                 case EISA_DEVICE_ID_SDC3222F:
  174                         return ("Storage Dimensions SDC3222F SCSI host adapter");
  175                 case EISA_DEVICE_ID_SDC3222WS:
  176                         return ("Storage Dimensions SDC3222WS SCSI host adapter");
  177                 case EISA_DEVICE_ID_SDC3222WB:
  178                         return ("Storage Dimensions SDC3222WB SCSI host adapter");
  179                 case EISA_DEVICE_ID_AMI_4801:
  180                         return ("AMI Series 48 SCSI host adapter");
  181                 default:
  182                         break;
  183         }
  184         return (NULL);
  185 }
  186 
  187 static int
  188 bt_eisa_probe(device_t dev)
  189 {
  190         const char *desc;
  191         u_long iobase;
  192         struct bt_probe_info info;
  193         u_long port;
  194         u_long iosize;
  195         u_int  ioconf;
  196         int    result;
  197         int    shared;
  198 
  199         desc = bt_match(eisa_get_id(dev));
  200         if (!desc)
  201                 return (ENXIO);
  202         device_set_desc(dev, desc);
  203 
  204         iobase = (eisa_get_slot(dev) * EISA_SLOT_SIZE); 
  205         if (eisa_get_id(dev) == EISA_DEVICE_ID_AMI_4801) {
  206                 u_int ioconf1;
  207 
  208                 iobase += AMI_EISA_SLOT_OFFSET;
  209                 iosize = AMI_EISA_IOSIZE;
  210                 ioconf1 = inb(iobase + AMI_EISA_IOCONF1);
  211                 /* Determine "ISA" I/O port */
  212                 switch (ioconf1 & AMI_PORTADDR) {
  213                 case AMI_PORT_330:
  214                         port = 0x330;
  215                         break;
  216                 case AMI_PORT_334:
  217                         port = 0x334;
  218                         break;
  219                 case AMI_PORT_230:
  220                         port = 0x230;
  221                         break;
  222                 case AMI_PORT_234:
  223                         port = 0x234;
  224                         break;
  225                 case AMI_PORT_134:
  226                         port = 0x134;
  227                         break;
  228                 case AMI_PORT_130:
  229                         port = 0x130;
  230                         break;
  231                 default:
  232                         /* Disabled */
  233                         printf("bt: AMI EISA Adapter at "
  234                                "slot %d has a disabled I/O "
  235                                "port.  Cannot attach.\n",
  236                                eisa_get_slot(dev));
  237                         return (ENXIO);
  238                 }
  239                 shared = (inb(iobase + AMI_EISA_IOCONF1) & AMI_IRQ_LEVEL) ?
  240                                 EISA_TRIGGER_LEVEL : EISA_TRIGGER_EDGE;
  241         } else {
  242                 iobase += BT_EISA_SLOT_OFFSET;
  243                 iosize = BT_EISA_IOSIZE;
  244 
  245                 ioconf = inb(iobase + EISA_IOCONF);
  246                 /* Determine "ISA" I/O port */
  247                 switch (ioconf & PORTADDR) {
  248                 case PORT_330:
  249                         port = 0x330;
  250                         break;
  251                 case PORT_334:
  252                         port = 0x334;
  253                         break;
  254                 case PORT_230:
  255                         port = 0x230;
  256                         break;
  257                 case PORT_234:
  258                         port = 0x234;
  259                         break;
  260                 case PORT_130:
  261                         port = 0x130;
  262                         break;
  263                 case PORT_134:
  264                         port = 0x134;
  265                         break;
  266                 default:
  267                         /* Disabled */
  268                         printf("bt: Buslogic EISA Adapter at "
  269                                "slot %d has a disabled I/O "
  270                                "port.  Cannot attach.\n",
  271                                eisa_get_slot(dev));
  272                         return (ENXIO);
  273                 }
  274                 shared = (inb(iobase + EISA_IRQ_TYPE) & LEVEL) ?
  275                                 EISA_TRIGGER_LEVEL : EISA_TRIGGER_EDGE;
  276         }
  277         bt_mark_probed_iop(port);
  278 
  279         /* Tell parent where our resources are going to be */
  280         eisa_add_iospace(dev, iobase, iosize, RESVADDR_NONE);
  281         eisa_add_iospace(dev, port, BT_IOSIZE, RESVADDR_NONE);
  282 
  283         /* And allocate them */
  284         bt_eisa_alloc_resources(dev);
  285 
  286         if (bt_port_probe(dev, &info) != 0) {
  287                 printf("bt_eisa_probe: Probe failed for "
  288                        "card at slot 0x%x\n", eisa_get_slot(dev));
  289                 result = ENXIO;
  290         } else {
  291                 eisa_add_intr(dev, info.irq, shared);
  292                 result = 0;
  293         }
  294         bt_eisa_release_resources(dev);
  295 
  296         return (result);
  297 }
  298 
  299 static int
  300 bt_eisa_attach(device_t dev)
  301 {
  302         struct bt_softc *bt = device_get_softc(dev);
  303 
  304         /* Allocate resources */
  305         bt_eisa_alloc_resources(dev);
  306 
  307         /* Allocate a dmatag for our SCB DMA maps */
  308         /* XXX Should be a child of the PCI bus dma tag */
  309         if (bus_dma_tag_create( /* parent       */ NULL,
  310                                 /* alignment    */ 1,
  311                                 /* boundary     */ 0,
  312                                 /* lowaddr      */ BUS_SPACE_MAXADDR_32BIT,
  313                                 /* highaddr     */ BUS_SPACE_MAXADDR,
  314                                 /* filter       */ NULL,
  315                                 /* filterarg    */ NULL,
  316                                 /* maxsize      */ BUS_SPACE_MAXSIZE_32BIT,
  317                                 /* nsegments    */ ~0,
  318                                 /* maxsegsz     */ BUS_SPACE_MAXSIZE_32BIT,
  319                                 /* flags        */ 0,
  320                                 /* lockfunc     */ busdma_lock_mutex,
  321                                 /* lockarg,     */ &Giant,
  322                                 &bt->parent_dmat) != 0) {
  323                 bt_eisa_release_resources(dev);
  324                 return -1;
  325         }
  326 
  327         /*
  328          * Now that we know we own the resources we need, do the full
  329          * card initialization.
  330          */
  331         if (bt_probe(dev) || bt_fetch_adapter_info(dev) || bt_init(dev)) {
  332                 bt_eisa_release_resources(dev);
  333                 return -1;
  334         }
  335 
  336         /* Attach sub-devices - always succeeds (sets up intr) */
  337         bt_attach(dev);
  338 
  339         return 0;
  340 }
  341 
  342 static device_method_t bt_eisa_methods[] = {
  343         /* Device interface */
  344         DEVMETHOD(device_probe,         bt_eisa_probe),
  345         DEVMETHOD(device_attach,        bt_eisa_attach),
  346 
  347         { 0, 0 }
  348 };
  349 
  350 static driver_t bt_eisa_driver = {
  351         "bt",
  352         bt_eisa_methods,
  353         sizeof(struct bt_softc),
  354 };
  355 
  356 static devclass_t bt_devclass;
  357 
  358 DRIVER_MODULE(bt, eisa, bt_eisa_driver, bt_devclass, 0, 0);
Cache object: f7b267e77cb1c37f4db50fe046882dfe
[ 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.
FreeBSD/Linux Kernel Cross Reference sys/dev/buslogic/bt_eisa.c

FreeBSD/Linux Kernel Cross Reference
sys/dev/buslogic/bt_eisa.c
