sys/dev/netif/ndis/if_ndis_pccard.c

   1 /*-
   2  * Copyright (c) 2003
   3  *      Bill Paul <wpaul@windriver.com>.  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  * 3. All advertising materials mentioning features or use of this software
  14  *    must display the following acknowledgement:
  15  *      This product includes software developed by Bill Paul.
  16  * 4. Neither the name of the author nor the names of any co-contributors
  17  *    may be used to endorse or promote products derived from this software
  18  *    without specific prior written permission.
  19  *
  20  * THIS SOFTWARE IS PROVIDED BY Bill Paul AND CONTRIBUTORS ``AS IS'' AND
  21  * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
  22  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
  23  * ARE DISCLAIMED.  IN NO EVENT SHALL Bill Paul OR THE VOICES IN HIS HEAD
  24  * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
  25  * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
  26  * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
  27  * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
  28  * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
  29  * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF
  30  * THE POSSIBILITY OF SUCH DAMAGE.
  31  *
  32  * $FreeBSD: src/sys/dev/if_ndis/if_ndis_pccard.c,v 1.19 2010/12/16 15:19:32 jhb Exp $
  33  */
  34
  35 #include "use_usb4bsd.h"
  36
  37 #include <sys/ctype.h>
  38 #include <sys/param.h>
  39 #include <sys/systm.h>
  40 #include <sys/kernel.h>
  41 #include <sys/module.h>
  42 #include <sys/socket.h>
  43 #include <sys/queue.h>
  44 #include <sys/sysctl.h>
  45 #include <sys/lock.h>
  46
  47 #include <net/if.h>
  48 #include <net/if_arp.h>
  49 #include <net/if_media.h>
  50
  51 #include <sys/bus.h>
  52 #include <sys/rman.h>
  53
  54 #include <netproto/802_11/ieee80211_var.h>
  55
  56 #if NUSB4BSD > 0
  57 #include <bus/u4b/usb.h>
  58 #include <bus/u4b/usbdi.h>
  59 #else
  60 #include <bus/usb/usb.h>
  61 #include <bus/usb/usbdi.h>
  62 #endif
  63
  64 #include <emulation/ndis/pe_var.h>
  65 #include <emulation/ndis/cfg_var.h>
  66 #include <emulation/ndis/resource_var.h>
  67 #include <emulation/ndis/ntoskrnl_var.h>
  68 #include <emulation/ndis/ndis_var.h>
  69 #include <dev/netif/ndis/if_ndisvar.h>
  70
  71 #include <bus/pccard/pccardvar.h>
  72 #include "card_if.h"
  73
  74 MODULE_DEPEND(if_ndis, pccard, 1, 1, 1);
  75
  76 static int ndis_probe_pccard    (device_t);
  77 static int ndis_attach_pccard   (device_t);
  78 static int ndis_detach_pccard   (device_t);
  79 static struct resource_list *ndis_get_resource_list
  80                                 (device_t, device_t);
  81 static int ndis_devcompare      (interface_type,
  82                                  struct ndis_pccard_type *, device_t);
  83 extern int ndisdrv_modevent     (module_t, int, void *);
  84 extern int ndis_attach          (device_t);
  85 extern int ndis_shutdown        (device_t);
  86 extern int ndis_detach          (device_t);
  87 extern int ndis_suspend         (device_t);
  88 extern int ndis_resume          (device_t);
  89
  90 extern unsigned char drv_data[];
  91
  92 static device_method_t ndis_methods[] = {
  93         /* Device interface */
  94         DEVMETHOD(device_probe,         ndis_probe_pccard),
  95         DEVMETHOD(device_attach,        ndis_attach_pccard),
  96         DEVMETHOD(device_detach,        ndis_detach_pccard),
  97         DEVMETHOD(device_shutdown,      ndis_shutdown),
  98         DEVMETHOD(device_suspend,       ndis_suspend),
  99         DEVMETHOD(device_resume,        ndis_resume),
 100
 101         /* Bus interface. */
 102
 103         /*
 104          * This is an awful kludge, but we need it becase pccard
 105          * does not implement a bus_get_resource_list() method.
 106          */
 107
 108         DEVMETHOD(bus_get_resource_list, ndis_get_resource_list),
 109
 110         { 0, 0 }
 111 };
 112
 113 static driver_t ndis_driver = {
 114         "ndis",
 115         ndis_methods,
 116         sizeof(struct ndis_softc)
 117 };
 118
 119 static devclass_t ndis_devclass;
 120
 121 DRIVER_MODULE(if_ndis, pccard, ndis_driver, ndis_devclass, ndisdrv_modevent, NULL);
 122
 123 static int
 124 ndis_devcompare(interface_type bustype, struct ndis_pccard_type *t,
 125     device_t dev)
 126 {
 127         const char              *prodstr, *vendstr;
 128
 129         if (bustype != PCMCIABus)
 130                 return(FALSE);
 131
 132         prodstr = pccard_get_product_str(dev);
 133         vendstr = pccard_get_vendor_str(dev);
 134
 135         while(t->ndis_name != NULL) {
 136                 if (strcasecmp(vendstr, t->ndis_vid) == 0 &&
 137                     strcasecmp(prodstr, t->ndis_did) == 0) {
 138                         device_set_desc(dev, t->ndis_name);
 139                         return(TRUE);
 140                 }
 141                 t++;
 142         }
 143
 144         return(FALSE);
 145 }
 146
 147 /*
 148  * Probe for an NDIS device. Check the PCI vendor and device
 149  * IDs against our list and return a device name if we find a match.
 150  */
 151 static int
 152 ndis_probe_pccard(device_t dev)
 153 {
 154         driver_object           *drv;
 155         struct drvdb_ent        *db;
 156
 157         drv = windrv_lookup(0, "PCCARD Bus");
 158         if (drv == NULL)
 159                 return(ENXIO);
 160
 161         db = windrv_match((matchfuncptr)ndis_devcompare, dev);
 162
 163         if (db != NULL) {
 164                 /* Create PDO for this device instance */
 165                 windrv_create_pdo(drv, dev);
 166                 return(0);
 167         }
 168
 169         return(ENXIO);
 170 }
 171
 172 /*
 173  * Attach the interface. Allocate softc structures, do ifmedia
 174  * setup and ethernet/BPF attach.
 175  */
 176 static int
 177 ndis_attach_pccard(device_t dev)
 178 {
 179         struct ndis_softc       *sc;
 180         int                     unit, error = 0, rid;
 181         struct ndis_pccard_type *t;
 182         int                     devidx = 0;
 183         const char              *prodstr, *vendstr;
 184         struct drvdb_ent        *db;
 185
 186         wlan_serialize_enter();
 187         sc = device_get_softc(dev);
 188         unit = device_get_unit(dev);
 189         sc->ndis_dev = dev;
 190
 191         db = windrv_match((matchfuncptr)ndis_devcompare, dev);
 192         if (db == NULL) {
 193                 wlan_serialize_exit();
 194                 return (ENXIO);
 195         }
 196         sc->ndis_dobj = db->windrv_object;
 197         sc->ndis_regvals = db->windrv_regvals;
 198         resource_list_init(&sc->ndis_rl);
 199
 200         sc->ndis_io_rid = 0;
 201         sc->ndis_res_io = bus_alloc_resource_any(dev, SYS_RES_IOPORT,
 202             &sc->ndis_io_rid, RF_ACTIVE);
 203         if (sc->ndis_res_io == NULL) {
 204                 device_printf(dev,
 205                     "couldn't map iospace\n");
 206                 error = ENXIO;
 207                 goto fail;
 208         }
 209         sc->ndis_rescnt++;
 210         resource_list_add(&sc->ndis_rl, SYS_RES_IOPORT, rid,
 211             rman_get_start(sc->ndis_res_io), rman_get_end(sc->ndis_res_io),
 212             rman_get_size(sc->ndis_res_io), -1);
 213
 214         rid = 0;
 215         sc->ndis_irq = bus_alloc_resource_any(dev, SYS_RES_IRQ, &rid,
 216             RF_SHAREABLE | RF_ACTIVE);
 217         if (sc->ndis_irq == NULL) {
 218                 device_printf(dev,
 219                     "couldn't map interrupt\n");
 220                 error = ENXIO;
 221                 goto fail;
 222         }
 223         sc->ndis_rescnt++;
 224         resource_list_add(&sc->ndis_rl, SYS_RES_IRQ, rid,
 225             rman_get_start(sc->ndis_irq), rman_get_start(sc->ndis_irq), 1,
 226             rman_get_cpuid(sc->ndis_irq));
 227
 228         sc->ndis_iftype = PCMCIABus;
 229
 230         /* Figure out exactly which device we matched. */
 231
 232         t = db->windrv_devlist;
 233
 234         prodstr = pccard_get_product_str(dev);
 235         vendstr = pccard_get_vendor_str(dev);
 236
 237         while(t->ndis_name != NULL) {
 238                 if (strcasecmp(vendstr, t->ndis_vid) == 0 &&
 239                     strcasecmp(prodstr, t->ndis_did) == 0)
 240                         break;
 241                 t++;
 242                 devidx++;
 243         }
 244
 245         sc->ndis_devidx = devidx;
 246
 247         error = ndis_attach(dev);
 248
 249 fail:
 250         wlan_serialize_exit();
 251         return(error);
 252 }
 253
 254 static int
 255 ndis_detach_pccard(device_t dev)
 256 {
 257         int error = 0;
 258
 259         wlan_serialize_enter();
 260         error = ndis_detach(dev);
 261         wlan_serialize_exit();
 262         return(error);
 263 }
 264
 265 static struct resource_list *
 266 ndis_get_resource_list(device_t dev, device_t child)
 267 {
 268         struct ndis_softc       *sc;
 269
 270         sc = device_get_softc(dev);
 271         return (&sc->ndis_rl);
 272 }
 273
 274 #define NDIS_AM_RID 3
 275
 276 int
 277 ndis_alloc_amem(void *arg)
 278 {
 279         struct ndis_softc       *sc;
 280         int                     error, rid;
 281
 282         if (arg == NULL)
 283                 return(EINVAL);
 284
 285         sc = arg;
 286         rid = NDIS_AM_RID;
 287         sc->ndis_res_am = bus_alloc_resource(sc->ndis_dev, SYS_RES_MEMORY,
 288             &rid, 0UL, ~0UL, 0x1000, RF_ACTIVE);
 289
 290         if (sc->ndis_res_am == NULL) {
 291                 device_printf(sc->ndis_dev,
 292                     "failed to allocate attribute memory\n");
 293                 return(ENXIO);
 294         }
 295         sc->ndis_rescnt++;
 296         resource_list_add(&sc->ndis_rl, SYS_RES_MEMORY, rid,
 297             rman_get_start(sc->ndis_res_am), rman_get_end(sc->ndis_res_am),
 298             rman_get_size(sc->ndis_res_am), -1);
 299
 300         error = CARD_SET_MEMORY_OFFSET(device_get_parent(sc->ndis_dev),
 301             sc->ndis_dev, rid, 0, NULL);
 302
 303         if (error) {
 304                 device_printf(sc->ndis_dev,
 305                     "CARD_SET_MEMORY_OFFSET() returned 0x%x\n", error);
 306                 return(error);
 307         }
 308
 309         error = CARD_SET_RES_FLAGS(device_get_parent(sc->ndis_dev),
 310             sc->ndis_dev, SYS_RES_MEMORY, rid, PCCARD_A_MEM_ATTR);
 311
 312         if (error) {
 313                 device_printf(sc->ndis_dev,
 314                     "CARD_SET_RES_FLAGS() returned 0x%x\n", error);
 315                 return(error);
 316         }
 317
 318         sc->ndis_am_rid = rid;
 319
 320         return(0);
 321 }
 322
 323 void
 324 ndis_free_amem(void *arg)
 325 {
 326         struct ndis_softc       *sc;
 327
 328         if (arg == NULL)
 329                 return;
 330
 331         sc = arg;
 332
 333         if (sc->ndis_res_am != NULL)
 334                 bus_release_resource(sc->ndis_dev, SYS_RES_MEMORY,
 335                     sc->ndis_am_rid, sc->ndis_res_am);
 336         resource_list_free(&sc->ndis_rl);
 337
 338         return;
 339 }