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 1.6 2004/07/11 00:19:30 wpaul Exp $
  33  * $DragonFly: src/sys/dev/netif/ndis/if_ndis_pccard.c,v 1.6 2006/10/25 20:55:58 dillon Exp $
  34  */
  35
  36 #include <sys/ctype.h>
  37 #include <sys/param.h>
  38 #include <sys/systm.h>
  39 #include <sys/kernel.h>
  40 #include <sys/proc.h>
  41 #include <sys/module.h>
  42 #include <sys/socket.h>
  43 #include <sys/queue.h>
  44 #include <sys/sysctl.h>
  45 #include <sys/bus.h>
  46 #include <sys/rman.h>
  47
  48 #include <net/if.h>
  49 #include <net/if_arp.h>
  50 #include <net/if_media.h>
  51
  52 #include <netproto/802_11/ieee80211_var.h>
  53
  54 #include <emulation/ndis/regcall.h>
  55 #include <emulation/ndis/pe_var.h>
  56 #include <emulation/ndis/resource_var.h>
  57 #include <emulation/ndis/ntoskrnl_var.h>
  58 #include <emulation/ndis/ndis_var.h>
  59 #include <emulation/ndis/cfg_var.h>
  60 #include "if_ndisvar.h"
  61
  62 #include <bus/pccard/pccardvar.h>
  63 #include "card_if.h"
  64
  65 #include "ndis_driver_data.h"
  66
  67 #ifdef NDIS_PCMCIA_DEV_TABLE
  68
  69 MODULE_DEPEND(ndis, pccard, 1, 1, 1);
  70 MODULE_DEPEND(ndis, wlan, 1, 1, 1);
  71 MODULE_DEPEND(ndis, ndisapi, 1, 1, 1);
  72
  73 /*
  74  * Various supported device vendors/types and their names.
  75  * These are defined in the ndis_driver_data.h file.
  76  */
  77 static struct ndis_pccard_type ndis_devs[] = {
  78 #ifdef NDIS_PCMCIA_DEV_TABLE
  79         NDIS_PCMCIA_DEV_TABLE
  80 #endif
  81         { NULL, NULL, NULL }
  82 };
  83
  84 static int ndis_probe_pccard    (device_t);
  85 static int ndis_attach_pccard   (device_t);
  86 static struct resource_list *ndis_get_resource_list
  87                                 (device_t, device_t);
  88 extern int ndis_attach          (device_t);
  89 extern int ndis_shutdown        (device_t);
  90 extern int ndis_detach          (device_t);
  91 extern int ndis_suspend         (device_t);
  92 extern int ndis_resume          (device_t);
  93
  94 static device_method_t ndis_methods[] = {
  95         /* Device interface */
  96         DEVMETHOD(device_probe,         ndis_probe_pccard),
  97         DEVMETHOD(device_attach,        ndis_attach_pccard),
  98         DEVMETHOD(device_detach,        ndis_detach),
  99         DEVMETHOD(device_shutdown,      ndis_shutdown),
 100         DEVMETHOD(device_suspend,       ndis_suspend),
 101         DEVMETHOD(device_resume,        ndis_resume),
 102
 103         /* Bus interface. */
 104
 105         /*
 106          * This is an awful kludge, but we need it becase pccard
 107          * does not implement a bus_get_resource_list() method.
 108          */
 109
 110         DEVMETHOD(bus_get_resource_list, ndis_get_resource_list),
 111
 112         { 0, 0 }
 113 };
 114
 115 static driver_t ndis_driver = {
 116 #ifdef NDIS_DEVNAME
 117         NDIS_DEVNAME,
 118 #else
 119         "ndis",
 120 #endif
 121         ndis_methods,
 122         sizeof(struct ndis_softc)
 123 };
 124
 125 static devclass_t ndis_devclass;
 126
 127 #ifdef NDIS_MODNAME
 128 #define NDIS_MODNAME_OVERRIDE_PCMCIA(x)                                 \
 129         DRIVER_MODULE(x, pccard, ndis_driver, ndis_devclass, 0, 0)
 130 NDIS_MODNAME_OVERRIDE_PCMCIA(NDIS_MODNAME);
 131 #else
 132 DRIVER_MODULE(ndis, pccard, ndis_driver, ndis_devclass, 0, 0);
 133 #endif
 134
 135 /*
 136  * Probe for an NDIS device. Check the PCI vendor and device
 137  * IDs against our list and return a device name if we find a match.
 138  */
 139 static int
 140 ndis_probe_pccard(device_t dev)
 141 {
 142         struct ndis_pccard_type *t;
 143         const char              *prodstr, *vendstr;
 144         int                     error;
 145
 146         t = ndis_devs;
 147
 148         prodstr = pccard_get_product_str(dev);
 149         vendstr = pccard_get_vendor_str(dev);
 150
 151         while(t->ndis_name != NULL) {
 152                 if (ndis_strcasecmp(vendstr, t->ndis_vid) == 0 &&
 153                     ndis_strcasecmp(prodstr, t->ndis_did) == 0) {
 154                         device_set_desc(dev, t->ndis_name);
 155                         return(0);
 156                 }
 157                 t++;
 158         }
 159
 160         return(ENXIO);
 161 }
 162
 163 /*
 164  * Attach the interface. Allocate softc structures, do ifmedia
 165  * setup and ethernet/BPF attach.
 166  */
 167 static int
 168 ndis_attach_pccard(device_t dev)
 169 {
 170         struct ndis_softc       *sc;
 171         int                     unit, error = 0, rid;
 172         struct ndis_pccard_type *t;
 173         int                     devidx = 0;
 174         const char              *prodstr, *vendstr;
 175
 176         sc = device_get_softc(dev);
 177         unit = device_get_unit(dev);
 178         sc->ndis_dev = dev;
 179         resource_list_init(&sc->ndis_rl);
 180
 181         sc->ndis_io_rid = 0;
 182         sc->ndis_res_io = bus_alloc_resource_any(dev, SYS_RES_IOPORT,
 183             &sc->ndis_io_rid, RF_ACTIVE);
 184         if (sc->ndis_res_io == NULL) {
 185                 device_printf(dev,
 186                     "couldn't map iospace\n");
 187                 error = ENXIO;
 188                 goto fail;
 189         }
 190         sc->ndis_rescnt++;
 191         resource_list_add(&sc->ndis_rl, SYS_RES_IOPORT, rid,
 192             rman_get_start(sc->ndis_res_io), rman_get_end(sc->ndis_res_io),
 193             rman_get_size(sc->ndis_res_io));
 194
 195         rid = 0;
 196         sc->ndis_irq = bus_alloc_resource_any(dev, SYS_RES_IRQ, &rid,
 197             RF_SHAREABLE | RF_ACTIVE);
 198         if (sc->ndis_irq == NULL) {
 199                 device_printf(dev,
 200                     "couldn't map interrupt\n");
 201                 error = ENXIO;
 202                 goto fail;
 203         }
 204         sc->ndis_rescnt++;
 205         resource_list_add(&sc->ndis_rl, SYS_RES_IRQ, rid,
 206             rman_get_start(sc->ndis_irq), rman_get_start(sc->ndis_irq), 1);
 207
 208         sc->ndis_iftype = PCMCIABus;
 209
 210         /* Figure out exactly which device we matched. */
 211
 212         t = ndis_devs;
 213
 214         error = pccard_get_product_str(dev, &prodstr);
 215         if (error)
 216                 return(error);
 217         error = pccard_get_vendor_str(dev, &vendstr);
 218         if (error)
 219                 return(error);
 220
 221         while(t->ndis_name != NULL) {
 222                 if (ndis_strcasecmp(vendstr, t->ndis_vid) == 0 &&
 223                     ndis_strcasecmp(prodstr, t->ndis_did) == 0)
 224                         break;
 225                 t++;
 226                 devidx++;
 227         }
 228
 229         sc->ndis_devidx = devidx;
 230
 231         error = ndis_attach(dev);
 232
 233 fail:
 234         return(error);
 235 }
 236
 237 static struct resource_list *
 238 ndis_get_resource_list(device_t dev, device_t child)
 239 {
 240         struct ndis_softc       *sc;
 241
 242         sc = device_get_softc(dev);
 243         return (&sc->ndis_rl);
 244 }
 245
 246 #endif /* NDIS_PCI_DEV_TABLE */
 247
 248 #define NDIS_AM_RID 3
 249
 250 int
 251 ndis_alloc_amem(void *arg)
 252 {
 253         struct ndis_softc       *sc;
 254         int                     error, rid;
 255
 256         if (arg == NULL)
 257                 return(EINVAL);
 258
 259         sc = arg;
 260         rid = NDIS_AM_RID;
 261         sc->ndis_res_am = bus_alloc_resource(sc->ndis_dev, SYS_RES_MEMORY,
 262             &rid, 0UL, ~0UL, 0x1000, RF_ACTIVE);
 263
 264         if (sc->ndis_res_am == NULL) {
 265                 device_printf(sc->ndis_dev,
 266                     "failed to allocate attribute memory\n");
 267                 return(ENXIO);
 268         }
 269         sc->ndis_rescnt++;
 270         resource_list_add(&sc->ndis_rl, SYS_RES_MEMORY, rid,
 271             rman_get_start(sc->ndis_res_am), rman_get_end(sc->ndis_res_am),
 272             rman_get_size(sc->ndis_res_am));
 273
 274         error = CARD_SET_MEMORY_OFFSET(device_get_parent(sc->ndis_dev),
 275             sc->ndis_dev, rid, 0, NULL);
 276
 277         if (error) {
 278                 device_printf(sc->ndis_dev,
 279                     "CARD_SET_MEMORY_OFFSET() returned 0x%x\n", error);
 280                 return(error);
 281         }
 282
 283         error = CARD_SET_RES_FLAGS(device_get_parent(sc->ndis_dev),
 284             sc->ndis_dev, SYS_RES_MEMORY, rid, PCCARD_A_MEM_ATTR);
 285
 286         if (error) {
 287                 device_printf(sc->ndis_dev,
 288                     "CARD_SET_RES_FLAGS() returned 0x%x\n", error);
 289                 return(error);
 290         }
 291
 292         sc->ndis_am_rid = rid;
 293
 294         return(0);
 295 }
 296
 297 void
 298 ndis_free_amem(void *arg)
 299 {
 300         struct ndis_softc       *sc;
 301
 302         if (arg == NULL)
 303                 return;
 304
 305         sc = arg;
 306
 307         if (sc->ndis_res_am != NULL)
 308                 bus_release_resource(sc->ndis_dev, SYS_RES_MEMORY,
 309                     sc->ndis_am_rid, sc->ndis_res_am);
 310         resource_list_free(&sc->ndis_rl);
 311
 312         return;
 313 }