sys/dev/cardbus/siisata_cardbus.c

   1 /* $NetBSD: siisata_cardbus.c,v 1.2 2009/10/19 18:41:12 bouyer Exp $ */
   2 /* Id: siisata_pci.c,v 1.11 2008/05/21 16:20:11 jakllsch Exp  */
   3
   4 /*
   5  * Copyright (c) 2006 Manuel Bouyer.
   6  *
   7  * Redistribution and use in source and binary forms, with or without
   8  * modification, are permitted provided that the following conditions
   9  * are met:
  10  * 1. Redistributions of source code must retain the above copyright
  11  *    notice, this list of conditions and the following disclaimer.
  12  * 2. Redistributions in binary form must reproduce the above copyright
  13  *    notice, this list of conditions and the following disclaimer in the
  14  *    documentation and/or other materials provided with the distribution.
  15  *
  16  * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
  17  * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
  18  * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
  19  * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
  20  * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
  21  * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
  22  * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
  23  * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
  24  * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
  25  * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
  26  *
  27  */
  28
  29 /*-
  30  * Copyright (c) 2007, 2008 Jonathan A. Kollasch.
  31  * All rights reserved.
  32  *
  33  * Redistribution and use in source and binary forms, with or without
  34  * modification, are permitted provided that the following conditions
  35  * are met:
  36  * 1. Redistributions of source code must retain the above copyright
  37  *    notice, this list of conditions and the following disclaimer.
  38  * 2. Redistributions in binary form must reproduce the above copyright
  39  *    notice, this list of conditions and the following disclaimer in the
  40  *    documentation and/or other materials provided with the distribution.
  41  *
  42  * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
  43  * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
  44  * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
  45  * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
  46  * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
  47  * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
  48  * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
  49  * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
  50  * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
  51  * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
  52  *
  53  */
  54
  55 #include <sys/cdefs.h>
  56
  57
  58 #include <sys/types.h>
  59 #include <sys/malloc.h>
  60 #include <sys/param.h>
  61 #include <sys/kernel.h>
  62 #include <sys/systm.h>
  63
  64 #include <uvm/uvm_extern.h>
  65
  66 #include <dev/cardbus/cardbusvar.h>
  67 #include <dev/pci/pcidevs.h>
  68 #include <dev/ic/siisatavar.h>
  69
  70 #define cardbus_devinfo         pci_devinfo
  71
  72 struct siisata_cardbus_softc {
  73         struct siisata_softc si_sc;
  74         cardbus_chipset_tag_t sc_cc;
  75         cardbus_function_tag_t sc_cf;
  76         cardbus_devfunc_t sc_ct;
  77
  78         bus_size_t sc_grsize;
  79         bus_size_t sc_prsize;
  80         void *sc_ih;
  81 };
  82
  83 static int siisata_cardbus_match(device_t, cfdata_t, void *);
  84 static void siisata_cardbus_attach(device_t, device_t, void *);
  85 static int siisata_cardbus_detach(device_t, int);
  86 static bool siisata_cardbus_resume(device_t, pmf_qual_t);
  87
  88 static const struct siisata_cardbus_product {
  89         cardbus_vendor_id_t scp_vendor;
  90         cardbus_product_id_t scp_product;
  91         int scp_ports;
  92         int scp_chip;
  93
  94 } siisata_cardbus_products[] = {
  95         {
  96                 PCI_VENDOR_CMDTECH, PCI_PRODUCT_CMDTECH_3124,
  97                 4, 3124
  98         },
  99         {
 100                 0, 0,
 101                 0, 0
 102         },
 103 };
 104
 105 CFATTACH_DECL_NEW(siisata_cardbus, sizeof(struct siisata_cardbus_softc),
 106     siisata_cardbus_match, siisata_cardbus_attach, siisata_cardbus_detach,
 107     NULL);
 108
 109 static const struct siisata_cardbus_product *
 110 siisata_cardbus_lookup(const struct cardbus_attach_args *ca)
 111 {
 112         const struct siisata_cardbus_product *scp;
 113
 114         for (scp = siisata_cardbus_products; scp->scp_ports > 0; scp++) {
 115                 if (CARDBUS_VENDOR(ca->ca_id) == scp->scp_vendor &&
 116                     CARDBUS_PRODUCT(ca->ca_id) == scp->scp_product)
 117                         return scp;
 118         }
 119         return NULL;
 120 }
 121
 122 static int
 123 siisata_cardbus_match(device_t parent, cfdata_t match, void *aux)
 124 {
 125         struct cardbus_attach_args *ca = aux;
 126
 127         if (siisata_cardbus_lookup(ca) != NULL)
 128                 return 3;
 129
 130         return 0;
 131 }
 132
 133 static void
 134 siisata_cardbus_attach(device_t parent, device_t self, void *aux)
 135 {
 136         struct cardbus_attach_args *ca = aux;
 137         struct cardbus_softc *cbsc = device_private(parent);
 138         struct siisata_cardbus_softc *csc = device_private(self);
 139         struct siisata_softc *sc = &csc->si_sc;
 140         cardbus_devfunc_t ct = ca->ca_ct;
 141         cardbus_chipset_tag_t cc = ct->ct_cc;
 142         cardbus_function_tag_t cf = ct->ct_cf;
 143         cardbusreg_t csr;
 144         const struct siisata_cardbus_product *scp;
 145         bus_space_tag_t memt;
 146         bus_space_handle_t memh;
 147         bus_addr_t base;
 148         bus_size_t grsize, prsize;
 149         uint32_t gcreg;
 150         char devinfo[256];
 151
 152         sc->sc_atac.atac_dev = self;
 153
 154         csc->sc_cc = cc;
 155         csc->sc_cf = cf;
 156         csc->sc_ct = ct;
 157
 158         cardbus_devinfo(ca->ca_id, ca->ca_class, 0, devinfo, sizeof(devinfo));
 159         aprint_naive(": SATA-II HBA\n");
 160         aprint_normal(": %s\n", devinfo);
 161
 162         /*
 163          * XXXX
 164          * Our BAR0/BAR1 type is 64bit Memory.  Cardbus_mapreg_map() don't
 165          * support 64bit Memory.  We map ourself...
 166          */
 167         /* map bar0 */
 168         {
 169 #define SIISATA_BAR0_SIZE       128
 170                 grsize = SIISATA_BAR0_SIZE;
 171                 csr =
 172                     cardbus_conf_read(cc, cf, ca->ca_tag, SIISATA_CARDBUS_BAR0);
 173                 base = PCI_MAPREG_MEM_ADDR(csr);
 174                 memt = cbsc->sc_memt;
 175                 if ((*cf->cardbus_space_alloc)(cc, cbsc->sc_rbus_memt, base,
 176                     grsize, grsize - 1, grsize, 0, &base, &memh)) {
 177                         aprint_error(
 178                             "%s: unable to map device global registers\n",
 179                             SIISATANAME(sc));
 180                         return;
 181                 }
 182                 cardbus_conf_write(cc, cf, ca->ca_tag, SIISATA_CARDBUS_BAR0,
 183                     base);
 184         }
 185         sc->sc_grt = memt;
 186         sc->sc_grh = memh;
 187         csc->sc_grsize = grsize;
 188
 189         /* map bar1 */
 190         {
 191 #define SIISATA_BAR1_SIZE       (32 * 1024)
 192                 prsize = SIISATA_BAR1_SIZE;
 193                 base = PCI_MAPREG_MEM_ADDR(cardbus_conf_read(cc, cf, ca->ca_tag,
 194                     SIISATA_CARDBUS_BAR1));
 195                 memt = cbsc->sc_memt;
 196                 if ((*cf->cardbus_space_alloc)(cc, cbsc->sc_rbus_memt, base,
 197                     prsize, prsize - 1, prsize, 0, &base, &memh)) {
 198                         cardbus_conf_write(cc, cf, ca->ca_tag,
 199                             SIISATA_CARDBUS_BAR0, 0);
 200                         (*cf->cardbus_space_free)(cc, cbsc->sc_rbus_memt,
 201                             sc->sc_grh, grsize);
 202                         aprint_error(
 203                             "%s: unable to map device port registers\n",
 204                             SIISATANAME(sc));
 205                         return;
 206                 }
 207                 cardbus_conf_write(cc, cf, ca->ca_tag, SIISATA_CARDBUS_BAR1,
 208                     base);
 209         }
 210         sc->sc_prt = memt;
 211         sc->sc_prh = memh;
 212         csc->sc_prsize = prsize;
 213
 214         sc->sc_dmat = ca->ca_dmat;
 215
 216         /* map interrupt */
 217         csc->sc_ih = cardbus_intr_establish(cc, cf, ca->ca_intrline, IPL_BIO,
 218             siisata_intr, sc);
 219         if (csc->sc_ih == NULL) {
 220                 cardbus_conf_write(cc, cf, ca->ca_tag, SIISATA_CARDBUS_BAR0, 0);
 221                 (*cf->cardbus_space_free)(cc, cbsc->sc_rbus_memt, sc->sc_grh,
 222                     grsize);
 223                 cardbus_conf_write(cc, cf, ca->ca_tag, SIISATA_CARDBUS_BAR1, 0);
 224                 (*cf->cardbus_space_free)(cc, cbsc->sc_rbus_memt, sc->sc_prh,
 225                     prsize);
 226                 aprint_error("%s: couldn't establish interrupt\n",
 227                     SIISATANAME(sc));
 228                 return;
 229         }
 230
 231         /* fill in number of ports on this device */
 232         scp = siisata_cardbus_lookup(ca);
 233         if (scp != NULL)
 234                 sc->sc_atac.atac_nchannels = scp->scp_ports;
 235         else
 236                 /* _match() should prevent us from getting here */
 237                 panic("siisata: the universe might be falling apart!\n");
 238
 239         /* enable bus mastering in case the firmware didn't */
 240         csr = cardbus_conf_read(cc, cf, ca->ca_tag, CARDBUS_COMMAND_STATUS_REG);
 241         csr |= CARDBUS_COMMAND_MASTER_ENABLE;
 242         csr |= CARDBUS_COMMAND_MEM_ENABLE;
 243         cardbus_conf_write(cc, cf, ca->ca_tag, CARDBUS_COMMAND_STATUS_REG, csr);
 244
 245         gcreg = GRREAD(sc, GR_GC);
 246
 247         /* CardBus supports only 32-bit 33MHz */
 248         KASSERT(!(gcreg &
 249             (GR_GC_REQ64|GR_GC_DEVSEL|GR_GC_STOP|GR_GC_TRDY|GR_GC_M66EN)));
 250
 251         aprint_normal("%s: SiI%d on 32-bit, 33MHz PCI (CardBus).",
 252             SIISATANAME(sc), scp->scp_chip);
 253         if (gcreg & GR_GC_3GBPS)
 254                 aprint_normal(" 3.0Gb/s capable.\n");
 255         else
 256                 aprint_normal("\n");
 257
 258         siisata_attach(sc);
 259
 260         if (!pmf_device_register(self, NULL, siisata_cardbus_resume))
 261                 aprint_error_dev(self, "couldn't establish power handler\n");
 262 }
 263
 264 static int
 265 siisata_cardbus_detach(device_t self, int flags)
 266 {
 267         struct cardbus_softc *cbsc = device_private(device_parent(self));
 268         struct siisata_cardbus_softc *csc = device_private(self);
 269         struct siisata_softc *sc = &csc->si_sc;
 270         struct cardbus_devfunc *ct = csc->sc_ct;
 271         cardbus_chipset_tag_t cc = ct->ct_cc;
 272         cardbus_function_tag_t cf = ct->ct_cf;
 273         cardbustag_t ctag = cardbus_make_tag(cc, cf, cbsc->sc_bus, ct->ct_func);
 274         int rv;
 275
 276         rv = siisata_detach(sc, flags);
 277         if (rv)
 278                 return (rv);
 279         if (csc->sc_ih != NULL) {
 280                 cardbus_intr_disestablish(csc->sc_cc, csc->sc_cf, csc->sc_ih);
 281                 csc->sc_ih = NULL;
 282         }
 283         if (csc->sc_grsize) {
 284                 cardbus_conf_write(cc, cf, ctag, SIISATA_CARDBUS_BAR0, 0);
 285                 (*cf->cardbus_space_free)(cc, cbsc->sc_rbus_memt, sc->sc_grh,
 286                     csc->sc_grsize);
 287                 csc->sc_grsize = 0;
 288         }
 289         if (csc->sc_prsize) {
 290                 cardbus_conf_write(cc, cf, ctag, SIISATA_CARDBUS_BAR1, 0);
 291                 (*cf->cardbus_space_free)(cc, cbsc->sc_rbus_memt, sc->sc_prh,
 292                     csc->sc_prsize);
 293                 csc->sc_prsize = 0;
 294         }
 295         cardbus_free_tag(cc, cf, ctag);
 296         return 0;
 297 }
 298
 299 static bool
 300 siisata_cardbus_resume(device_t dv, pmf_qual_t qual)
 301 {
 302         struct siisata_cardbus_softc *csc = device_private(dv);
 303         struct siisata_softc *sc = &csc->si_sc;
 304         int s;
 305
 306         s = splbio();
 307         siisata_resume(sc);
 308         splx(s);
 309
 310         return true;
 311 }