sys/dev/if_ndis/if_ndis_pci.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
  33 #include <sys/cdefs.h>
  34 __KERNEL_RCSID(0, "$NetBSD: if_ndis_pci.c,v 1.16 2009/08/02 20:22:34 dsl Exp $");
  35 #ifdef __FreeBSD__
  36 __FBSDID("$FreeBSD: src/sys/dev/if_ndis/if_ndis_pci.c,v 1.8.2.3 2005/03/31 04:24:36 wpaul Exp $");
  37 #endif
  38
  39 #include <sys/param.h>
  40 #include <sys/systm.h>
  41 #include <sys/kernel.h>
  42 #include <sys/module.h>
  43 #include <sys/socket.h>
  44 #include <sys/queue.h>
  45 #include <sys/sysctl.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
  53 #include <sys/kthread.h>
  54 #include <net/if_ether.h>
  55
  56 #include <net80211/ieee80211_var.h>
  57
  58 #include <dev/pci/pcireg.h>
  59 #include <dev/pci/pcivar.h>
  60
  61 #include <compat/ndis/pe_var.h>
  62 #include <compat/ndis/resource_var.h>
  63 #include <compat/ndis/ntoskrnl_var.h>
  64 #include <compat/ndis/ndis_var.h>
  65 #include <compat/ndis/cfg_var.h>
  66 #include <dev/if_ndis/if_ndisvar.h>
  67
  68 #include "ndis_driver_data.h"
  69
  70 #ifndef _MODULE
  71 #include <compat/ndis/hal_var.h>
  72 #endif
  73
  74 #ifdef NDIS_PCI_DEV_TABLE
  75
  76
  77 /*
  78  * Various supported device vendors/types and their names.
  79  * These are defined in the ndis_driver_data.h file.
  80  */
  81 static struct ndis_pci_type ndis_devs[] = {
  82 #ifdef NDIS_PCI_DEV_TABLE
  83         NDIS_PCI_DEV_TABLE
  84 #endif
  85         { 0, 0, 0, NULL }
  86 };
  87
  88 /*static*/ int  ndis_probe_pci(device_t parent,
  89                                 cfdata_t match,
  90                                 void *aux);
  91 /*static*/ void ndis_attach_pci(device_t parent,
  92                                 device_t self,
  93                                 void *aux);
  94 extern void ndis_attach         (void *);
  95 extern int ndis_shutdown        (device_t);
  96 extern int ndis_detach          (device_t, int);
  97 extern int ndis_suspend         (device_t);
  98 extern int ndis_resume          (device_t);
  99
 100 extern int ndis_intr(void *);
 101
 102 extern unsigned char drv_data[];
 103
 104 #ifndef _MODULE
 105 //static funcptr ndis_txeof_wrap;
 106 //static funcptr ndis_rxeof_wrap;
 107 //static funcptr ndis_linksts_wrap;
 108 //static funcptr ndis_linksts_done_wrap;
 109 #endif
 110
 111
 112 CFATTACH_DECL(
 113 #ifdef NDIS_DEVNAME
 114         NDIS_DEVNAME,
 115 #else
 116         ndis,
 117 #endif
 118         sizeof(struct ndis_softc),
 119         ndis_probe_pci,
 120         ndis_attach_pci,
 121         ndis_detach,
 122         NULL);
 123
 124
 125
 126 #ifdef _MODULE
 127 extern int
 128 ndisdrv_modevent(module_t mod, int cmd);
 129
 130 /*
 131  * These are just for the in-kernel version, to delay calling
 132  * these functions untill enough context is built up.
 133  */
 134 void load_ndisapi(void *);
 135 void load_ndisdrv(void *);
 136
 137 void load_ndisapi(void *arg)
 138 {
 139         ndis_lkm_handle(NULL, MOD_LOAD);
 140 }
 141 void load_ndisdrv(void *arg)
 142 {
 143         ndisdrv_modevent(NULL, MOD_LOAD);
 144 }
 145 #endif
 146
 147 /*static*/ int
 148 ndis_probe_pci(device_t parent, cfdata_t match, void *aux)
 149 {
 150         struct pci_attach_args *pa = aux;
 151         int vendor  = PCI_VENDOR(pa->pa_id);
 152         int product = PCI_PRODUCT(pa->pa_id);
 153
 154         struct ndis_pci_type *t = ndis_devs;
 155         driver_object        *drv = NULL;       /* = windrv_lookup(0, "PCI Bus");**/
 156
 157 #ifdef NDIS_DBG
 158         printf("in ndis_probe_pci\n");
 159         printf("vendor = %x, product = %x\n", vendor, product);
 160 #endif
 161
 162         while(t->ndis_name != NULL) {
 163 #ifdef NDIS_DBG
 164                         printf("t->ndis_vid = %x, t->ndis_did = %x\n",
 165                                t->ndis_vid, t->ndis_did);
 166 #endif
 167                 if((vendor  == t->ndis_vid) && (product == t->ndis_did)) {
 168 #ifdef _MODULE
 169                         ndisdrv_modevent(NULL, MOD_LOAD);
 170                         //kthread_create(load_ndisdrv, NULL);
 171 #endif /* _MODULE */
 172
 173                         drv = windrv_lookup(0, "PCI Bus");
 174                         printf("Matching vendor: %x, product: %x, name: %s\n", vendor, product, t->ndis_name);
 175                         windrv_create_pdo(drv, parent);
 176                         return 1;
 177                 }
 178                 t++;
 179         }
 180
 181         return 0;  /* dosen't match */
 182 }
 183
 184 /* 6 BADR's + 1 IRQ  (so far) */
 185 #define MAX_RESOURCES 7
 186
 187 /*static*/
 188 void ndis_attach_pci(device_t parent, device_t self, void *aux)
 189 {
 190         struct ndis_softc *sc = (struct ndis_softc*)self;
 191         struct pci_attach_args *pa = aux;
 192 #ifdef NDIS_DBG
 193         char devinfo[256];
 194 #endif
 195         pci_intr_handle_t ih;
 196         pcireg_t type;
 197         bus_addr_t      base;
 198         bus_size_t      size;
 199         int             flags;
 200         ndis_resource_list              *rl  = NULL;
 201         struct cm_partial_resource_desc *prd = NULL;
 202 #ifdef NDIS_DBG
 203         struct pci_conf_state conf_state;
 204         int revision, i;
 205 #endif
 206         int bar;
 207
 208         printf("in ndis_attach_pci()\n");
 209
 210         /* initalize the softc */
 211         //sc->ndis_hardware_type  = NDIS_PCI;
 212         sc->ndis_dev            = self;
 213         sc->ndis_iftype         = PCIBus;
 214         sc->ndis_res_pc         = pa->pa_pc;
 215         sc->ndis_res_pctag      = pa->pa_tag;
 216         /* TODO: is this correct? All are just pa->pa_dmat? */
 217         sc->ndis_mtag           = pa->pa_dmat;
 218         sc->ndis_ttag           = pa->pa_dmat;
 219         sc->ndis_parent_tag     = pa->pa_dmat;
 220         sc->ndis_res_io         = NULL;
 221         sc->ndis_res_mem        = NULL;
 222         sc->ndis_res_altmem     = NULL;
 223         sc->ndis_block          = NULL;
 224         sc->ndis_shlist         = NULL;
 225
 226         ndis_in_isr             = FALSE;
 227
 228         printf("sc->ndis_mtag = %x\n", (unsigned int)sc->ndis_mtag);
 229
 230         rl = malloc(sizeof(ndis_resource_list) +
 231             (sizeof(cm_partial_resource_desc) * (MAX_RESOURCES-1)),
 232             M_DEVBUF, M_NOWAIT|M_ZERO);
 233
 234         if(rl == NULL) {
 235                 sc->error = ENOMEM;
 236                 //printf("error: out of memory\n");
 237                 return;
 238         }
 239
 240         rl->cprl_version = 5;
 241         rl->cprl_version = 1;
 242         rl->cprl_count = 0;
 243         prd = rl->cprl_partial_descs;
 244
 245 #ifdef NDIS_DBG
 246         pci_devinfo(pa->pa_id, pa->pa_class, 0, devinfo, sizeof devinfo);
 247         revision = PCI_REVISION(pa->pa_class);
 248         printf(": %s (rev. 0x%02x)\n", devinfo, revision);
 249
 250         pci_conf_print(sc->ndis_res_pc, sc->ndis_res_pctag, NULL);
 251
 252         pci_conf_capture(sc->ndis_res_pc, sc->ndis_res_pctag, &conf_state);
 253         for(i=0; i<16; i++) {
 254                 printf("conf_state.reg[%d] = %x\n", i, conf_state.reg[i]);
 255         }
 256 #endif
 257
 258         /* just do the conversion work in attach instead of calling ndis_convert_res() */
 259         for(bar = 0x10; bar <= 0x24; bar += 0x04) {
 260                 type = pci_mapreg_type(sc->ndis_res_pc, sc->ndis_res_pctag, bar);
 261                 if(pci_mapreg_info(sc->ndis_res_pc, sc->ndis_res_pctag, bar, type, &base,
 262                         &size, &flags)) {
 263                         printf("pci_mapreg_info() failed on BAR 0x%x!\n", bar);
 264                 } else {
 265                         switch(type) {
 266                         case PCI_MAPREG_TYPE_IO:
 267                                 prd->cprd_type                          = CmResourceTypePort;
 268                                 prd->cprd_flags                         = CM_RESOURCE_PORT_IO;
 269                                 prd->u.cprd_port.cprd_start.np_quad     = (uint64_t)base;
 270                                 prd->u.cprd_port.cprd_len               = (uint32_t)size;
 271                                 if((sc->ndis_res_io =
 272                                         malloc(sizeof(struct ndis_resource), M_DEVBUF, M_NOWAIT | M_ZERO)) == NULL) {
 273                                         //printf("error: out of memory\n");
 274                                         sc->error = ENOMEM;
 275                                         return;
 276                                 }
 277                                 sc->ndis_res_io->res_base = base;
 278                                 sc->ndis_res_io->res_size = size;
 279                                 sc->ndis_res_io->res_tag  = X86_BUS_SPACE_IO;
 280                                 bus_space_map(sc->ndis_res_io->res_tag,
 281                                          sc->ndis_res_io->res_base,
 282                                          sc->ndis_res_io->res_size,
 283                                          flags,
 284                                         &sc->ndis_res_io->res_handle);
 285                                 break;
 286                         case PCI_MAPREG_TYPE_MEM:
 287                                 prd->cprd_type                          = CmResourceTypeMemory;
 288                                 prd->cprd_flags                         = CM_RESOURCE_MEMORY_READ_WRITE;
 289                                 prd->u.cprd_mem.cprd_start.np_quad      = (uint64_t)base;
 290                                 prd->u.cprd_mem.cprd_len                = (uint32_t)size;
 291
 292                                 if(sc->ndis_res_mem != NULL &&
 293                                         sc->ndis_res_altmem != NULL) {
 294                                         printf("too many resources\n");
 295                                         sc->error = ENXIO;
 296                                         return;
 297                                 }
 298                                 if(sc->ndis_res_mem) {
 299                                         if((sc->ndis_res_altmem =
 300                                                 malloc(sizeof(struct ndis_resource), M_DEVBUF, M_NOWAIT | M_ZERO)) == NULL) {
 301                                                 sc->error = ENOMEM;
 302                                                 return;
 303                                         }
 304                                         sc->ndis_res_altmem->res_base = base;
 305                                         sc->ndis_res_altmem->res_size = size;
 306                                         sc->ndis_res_altmem->res_tag  = X86_BUS_SPACE_MEM;
 307
 308
 309                                         if(bus_space_map(sc->ndis_res_altmem->res_tag,
 310                                                 sc->ndis_res_altmem->res_base,
 311                                                 sc->ndis_res_altmem->res_size,
 312                                                 flags|BUS_SPACE_MAP_LINEAR,
 313                                                 &sc->ndis_res_altmem->res_handle)) {
 314                                                         printf("bus_space_map failed\n");
 315                                         }
 316                                 } else {
 317                                         if((sc->ndis_res_mem =
 318                                                 malloc(sizeof(struct ndis_resource), M_DEVBUF, M_NOWAIT | M_ZERO)) == NULL) {
 319                                                 sc->error = ENOMEM;
 320                                                 return;
 321                                         }
 322                                         sc->ndis_res_mem->res_base = base;
 323                                         sc->ndis_res_mem->res_size = size;
 324                                         sc->ndis_res_mem->res_tag  = X86_BUS_SPACE_MEM;
 325
 326                                         if(bus_space_map(sc->ndis_res_mem->res_tag,
 327                                                 sc->ndis_res_mem->res_base,
 328                                                 sc->ndis_res_mem->res_size,
 329                                                 flags|BUS_SPACE_MAP_LINEAR,
 330                                                 &sc->ndis_res_mem->res_handle)) {
 331                                                         printf("bus_space_map failed\n");
 332                                         }
 333                                 }
 334                                 break;
 335
 336                         default:
 337                                 printf("unknown type\n");
 338                         }
 339                         prd->cprd_sharedisp = CmResourceShareDeviceExclusive;
 340
 341                         rl->cprl_count++;
 342                         prd++;
 343                 }
 344         }
 345
 346         /* add the interrupt to the list */
 347         prd->cprd_type  = CmResourceTypeInterrupt;
 348         prd->cprd_flags = 0;
 349         /* TODO: is this all we need to save for the interrupt? */
 350         prd->u.cprd_intr.cprd_level = pa->pa_intrline;
 351         prd->u.cprd_intr.cprd_vector = pa->pa_intrline;
 352         prd->u.cprd_intr.cprd_affinity = 0;
 353         rl->cprl_count++;
 354
 355         pci_intr_map(pa, &ih);
 356         sc->ndis_intrhand = pci_intr_establish(pa->pa_pc, ih, IPL_NET /*| PCATCH*/, ndis_intr, sc);
 357         sc->ndis_irq = (void *)sc->ndis_intrhand;
 358
 359         printf("pci interrupt: %s\n", pci_intr_string(pa->pa_pc, ih));
 360
 361         if(rl == NULL) {
 362                 sc->error = ENOMEM;
 363                 return;
 364         }
 365
 366         /* save resource list in the softc */
 367         sc->ndis_rl = rl;
 368         sc->ndis_rescnt = rl->cprl_count;
 369
 370         kthread_create(PRI_NONE, 0, NULL, ndis_attach, (void *)sc,
 371             NULL, "ndis_attach");
 372 }
 373
 374
 375 #endif /* NDIS_PCI_DEV_TABLE */