adv_cardbus.c

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    1 /*      $NetBSD: adv_cardbus.c,v 1.8 2002/10/02 16:33:39 thorpej Exp $  */
    2 
    3 /*-
    4  * Copyright (c) 2000 The NetBSD Foundation, Inc.
    5  * All rights reserved.
    6  *
    7  * This code is derived from software contributed to The NetBSD Foundation
    8  * by Jason R. Thorpe of the Numerical Aerospace Simulation Facility,
    9  * NASA Ames Research Center.
   10  *
   11  * Redistribution and use in source and binary forms, with or without
   12  * modification, are permitted provided that the following conditions
   13  * are met:
   14  * 1. Redistributions of source code must retain the above copyright
   15  *    notice, this list of conditions and the following disclaimer.
   16  * 2. Redistributions in binary form must reproduce the above copyright
   17  *    notice, this list of conditions and the following disclaimer in the
   18  *    documentation and/or other materials provided with the distribution.
   19  * 3. All advertising materials mentioning features or use of this software
   20  *    must display the following acknowledgement:
   21  *      This product includes software developed by the NetBSD
   22  *      Foundation, Inc. and its contributors.
   23  * 4. Neither the name of The NetBSD Foundation nor the names of its
   24  *    contributors may be used to endorse or promote products derived
   25  *    from this software without specific prior written permission.
   26  *
   27  * THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS
   28  * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
   29  * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
   30  * PURPOSE ARE DISCLAIMED.  IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS
   31  * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
   32  * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
   33  * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
   34  * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
   35  * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
   36  * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
   37  * POSSIBILITY OF SUCH DAMAGE.
   38  */
   39 
   40 /*
   41  * this file was brought from ahc_cardbus.c and adv_pci.c
   42  * and modified by YAMAMOTO Takashi.
   43  */
   44 
   45 #include <sys/cdefs.h>
   46 __KERNEL_RCSID(0, "$NetBSD: adv_cardbus.c,v 1.8 2002/10/02 16:33:39 thorpej Exp $");
   47 
   48 #include <sys/param.h>
   49 #include <sys/systm.h>
   50 #include <sys/malloc.h>
   51 #include <sys/kernel.h>
   52 #include <sys/queue.h>
   53 #include <sys/device.h>
   54 
   55 #include <machine/bus.h> 
   56 #include <machine/intr.h>
   57 
   58 #include <dev/scsipi/scsi_all.h> 
   59 #include <dev/scsipi/scsipi_all.h>
   60 #include <dev/scsipi/scsiconf.h>
   61 
   62 #include <dev/pci/pcireg.h>
   63 #include <dev/pci/pcidevs.h>
   64 
   65 #include <dev/cardbus/cardbusvar.h>
   66 #include <dev/cardbus/cardbusdevs.h>
   67 
   68 #include <dev/ic/advlib.h>
   69 #include <dev/ic/adv.h>
   70 
   71 #define ADV_CARDBUS_IOBA CARDBUS_BASE0_REG
   72 #define ADV_CARDBUS_MMBA CARDBUS_BASE1_REG
   73 
   74 #define ADV_CARDBUS_DEBUG
   75 #define ADV_CARDBUS_ALLOW_MEMIO
   76 
   77 #define DEVNAME(sc) sc->sc_dev.dv_xname
   78 
   79 struct adv_cardbus_softc {
   80         struct asc_softc sc_adv;        /* real ADV */
   81 
   82         /* CardBus-specific goo. */
   83         cardbus_devfunc_t sc_ct;        /* our CardBus devfuncs */
   84         int     sc_intrline;            /* our interrupt line */
   85         cardbustag_t sc_tag;
   86 
   87         int     sc_cbenable;            /* what CardBus access type to enable */
   88         int     sc_csr;                 /* CSR bits */
   89         bus_size_t sc_size;
   90 };
   91 
   92 int     adv_cardbus_match __P((struct device *, struct cfdata *, void *));
   93 void    adv_cardbus_attach __P((struct device *, struct device *, void *));
   94 int     adv_cardbus_detach __P((struct device *, int));
   95 
   96 CFATTACH_DECL(adv_cardbus, sizeof(struct adv_cardbus_softc),
   97     adv_cardbus_match, adv_cardbus_attach, adv_cardbus_detach, NULL);
   98 
   99 int
  100 adv_cardbus_match(parent, match, aux)
  101         struct device *parent;
  102         struct cfdata *match;
  103         void *aux;
  104 {
  105         struct cardbus_attach_args *ca = aux;
  106 
  107         if (CARDBUS_VENDOR(ca->ca_id) == CARDBUS_VENDOR_ADVSYS &&
  108             CARDBUS_PRODUCT(ca->ca_id) == CARDBUS_PRODUCT_ADVSYS_ULTRA)
  109                 return (1);
  110 
  111         return (0);
  112 }
  113 
  114 void
  115 adv_cardbus_attach(parent, self, aux)
  116         struct device *parent, *self;
  117         void *aux;
  118 {
  119         struct cardbus_attach_args *ca = aux;
  120         struct adv_cardbus_softc *csc = (void *) self;
  121         struct asc_softc *sc = &csc->sc_adv;
  122         cardbus_devfunc_t ct = ca->ca_ct;
  123         cardbus_chipset_tag_t cc = ct->ct_cc;
  124         cardbus_function_tag_t cf = ct->ct_cf;
  125         bus_space_tag_t iot;
  126         bus_space_handle_t ioh;
  127         pcireg_t reg;
  128         u_int8_t latency = 0x20;
  129 
  130         sc->sc_flags = 0;
  131 
  132         if (PCI_VENDOR(ca->ca_id) == PCI_VENDOR_ADVSYS) {
  133                 switch (PCI_PRODUCT(ca->ca_id)) {
  134                 case PCI_PRODUCT_ADVSYS_1200A:
  135                         printf(": AdvanSys ASC1200A SCSI adapter\n");
  136                         latency = 0;
  137                         break;
  138 
  139                 case PCI_PRODUCT_ADVSYS_1200B:
  140                         printf(": AdvanSys ASC1200B SCSI adapter\n");
  141                         latency = 0;
  142                         break;
  143 
  144                 case PCI_PRODUCT_ADVSYS_ULTRA:
  145                         switch (PCI_REVISION(ca->ca_class)) {
  146                         case ASC_PCI_REVISION_3050:
  147                                 printf(": AdvanSys ABP-9xxUA SCSI adapter\n");
  148                                 break;
  149 
  150                         case ASC_PCI_REVISION_3150:
  151                                 printf(": AdvanSys ABP-9xxU SCSI adapter\n");
  152                                 break;
  153                         }
  154                         break;
  155 
  156                 default:
  157                         printf(": unknown model!\n");
  158                         return;
  159                 }
  160         }
  161 
  162         csc->sc_ct = ct;
  163         csc->sc_tag = ca->ca_tag;
  164         csc->sc_intrline = ca->ca_intrline;
  165         csc->sc_cbenable = 0;
  166 
  167         /*
  168          * Map the device.
  169          */
  170         csc->sc_csr = PCI_COMMAND_MASTER_ENABLE;
  171         
  172 #ifdef ADV_CARDBUS_ALLOW_MEMIO
  173         if (Cardbus_mapreg_map(csc->sc_ct, ADV_CARDBUS_MMBA,
  174             PCI_MAPREG_TYPE_MEM|PCI_MAPREG_MEM_TYPE_32BIT, 0,
  175             &iot, &ioh, NULL, &csc->sc_size) == 0) {
  176 #ifdef ADV_CARDBUS_DEBUG
  177                 printf("%s: memio enabled\n", DEVNAME(sc));
  178 #endif
  179                 csc->sc_cbenable = CARDBUS_MEM_ENABLE;
  180                 csc->sc_csr |= PCI_COMMAND_MEM_ENABLE;
  181         } else
  182 #endif
  183         if (Cardbus_mapreg_map(csc->sc_ct, ADV_CARDBUS_IOBA,
  184             PCI_MAPREG_TYPE_IO, 0, &iot, &ioh, NULL, &csc->sc_size) == 0) {
  185 #ifdef ADV_CARDBUS_DEBUG
  186                 printf("%s: io enabled\n", DEVNAME(sc));
  187 #endif
  188                 csc->sc_cbenable = CARDBUS_IO_ENABLE;
  189                 csc->sc_csr |= PCI_COMMAND_IO_ENABLE;
  190         } else {
  191                 printf("%s: unable to map device registers\n",
  192                     DEVNAME(sc));
  193                 return;
  194         }
  195 
  196         /* Make sure the right access type is on the CardBus bridge. */
  197         (*ct->ct_cf->cardbus_ctrl)(cc, csc->sc_cbenable);
  198         (*ct->ct_cf->cardbus_ctrl)(cc, CARDBUS_BM_ENABLE);
  199 
  200         /* Enable the appropriate bits in the PCI CSR. */
  201         reg = cardbus_conf_read(cc, cf, ca->ca_tag, PCI_COMMAND_STATUS_REG);
  202         reg &= ~(PCI_COMMAND_IO_ENABLE|PCI_COMMAND_MEM_ENABLE);
  203         reg |= csc->sc_csr;
  204         cardbus_conf_write(cc, cf, ca->ca_tag, PCI_COMMAND_STATUS_REG, reg);
  205 
  206         /*
  207          * Make sure the latency timer is set to some reasonable
  208          * value.
  209          */
  210         reg = cardbus_conf_read(cc, cf, ca->ca_tag, PCI_BHLC_REG);
  211         if (PCI_LATTIMER(reg) < latency) {
  212                 reg &= ~(PCI_LATTIMER_MASK << PCI_LATTIMER_SHIFT);
  213                 reg |= (latency << PCI_LATTIMER_SHIFT);
  214                 cardbus_conf_write(cc, cf, ca->ca_tag, PCI_BHLC_REG, reg);
  215         }
  216 
  217         ASC_SET_CHIP_CONTROL(iot, ioh, ASC_CC_HALT);
  218         ASC_SET_CHIP_STATUS(iot, ioh, 0);
  219 
  220         sc->sc_iot = iot;
  221         sc->sc_ioh = ioh;
  222         sc->sc_dmat = ca->ca_dmat;
  223         sc->pci_device_id = ca->ca_id;
  224         sc->bus_type = ASC_IS_PCI;
  225         sc->chip_version = ASC_GET_CHIP_VER_NO(iot, ioh);
  226 
  227         /*
  228          * Initialize the board
  229          */
  230         if (adv_init(sc)) {
  231                 printf("adv_init failed\n");
  232                 return;
  233         }
  234 
  235         /*
  236          * Establish the interrupt.
  237          */
  238         sc->sc_ih = cardbus_intr_establish(cc, cf, ca->ca_intrline, IPL_BIO,
  239             adv_intr, sc);
  240         if (sc->sc_ih == NULL) {
  241                 printf("%s: unable to establish interrupt at %d\n",
  242                     DEVNAME(sc), ca->ca_intrline);
  243                 return;
  244         }
  245         printf("%s: interrupting at %d\n", DEVNAME(sc), ca->ca_intrline);
  246 
  247         /*
  248          * Attach.
  249          */
  250         adv_attach(sc);
  251 }
  252 
  253 int
  254 adv_cardbus_detach(self, flags)
  255         struct device *self;
  256         int flags;
  257 {
  258         struct adv_cardbus_softc *csc = (void*)self;
  259         struct asc_softc *sc = &csc->sc_adv;
  260 
  261         int rv;
  262 
  263         rv = adv_detach(sc, flags);
  264         if (rv)
  265                 return rv;
  266 
  267         if (sc->sc_ih) {
  268                 cardbus_intr_disestablish(csc->sc_ct->ct_cc,
  269                     csc->sc_ct->ct_cf, sc->sc_ih);
  270                 sc->sc_ih = 0;
  271         }
  272 
  273         if (csc->sc_cbenable) {
  274 #ifdef ADV_CARDBUS_ALLOW_MEMIO
  275                 if (csc->sc_cbenable == CARDBUS_MEM_ENABLE) {
  276                         Cardbus_mapreg_unmap(csc->sc_ct, ADV_CARDBUS_MMBA,
  277                             sc->sc_iot, sc->sc_ioh, csc->sc_size);
  278                 } else {
  279 #endif
  280                         Cardbus_mapreg_unmap(csc->sc_ct, ADV_CARDBUS_IOBA,
  281                             sc->sc_iot, sc->sc_ioh, csc->sc_size);
  282 #ifdef ADV_CARDBUS_ALLOW_MEMIO
  283                 }
  284 #endif
  285                 csc->sc_cbenable = 0;
  286         }
  287 
  288         return 0;
  289 }
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FreeBSD/Linux Kernel Cross Reference sys/dev/cardbus/adv_cardbus.c

FreeBSD/Linux Kernel Cross Reference
sys/dev/cardbus/adv_cardbus.c
