drivers/isdn/eicon/eicon_pci.c

   1 /* $Id: eicon_pci.c,v 1.1.4.1 2001/11/20 14:19:35 kai Exp $
   2  *
   3  * ISDN low-level module for Eicon active ISDN-Cards.
   4  * Hardware-specific code for PCI cards.
   5  *
   6  * Copyright 1998-2000 by Armin Schindler (mac@melware.de)
   7  * Copyright 1999,2000 Cytronics & Melware (info@melware.de)
   8  *
   9  * This software may be used and distributed according to the terms
  10  * of the GNU General Public License, incorporated herein by reference.
  11  *
  12  * Thanks to    Eicon Networks for
  13  *              documents, informations and hardware.
  14  *
  15  */
  16
  17 #include <linux/config.h>
  18 #include <linux/pci.h>
  19
  20 #include "eicon.h"
  21 #include "eicon_pci.h"
  22
  23 #undef N_DATA
  24 #include "adapter.h"
  25 #include "uxio.h"
  26
  27 char *eicon_pci_revision = "$Revision: 1.1.4.1 $";
  28
  29 #if CONFIG_PCI           /* intire stuff is only for PCI */
  30 #ifdef CONFIG_ISDN_DRV_EICON_PCI
  31
  32 int eicon_pci_find_card(char *ID)
  33 {
  34         int pci_cards = 0;
  35         int card_id = 0;
  36         int had_q = 0;
  37         int ctype = 0;
  38         char did[20];
  39         card_t *pCard;
  40         word wCardIndex;
  41
  42         pCard = DivasCards;
  43         for (wCardIndex = 0; wCardIndex < MAX_CARDS; wCardIndex++)
  44         {
  45         if ((pCard->hw) && (pCard->hw->in_use))
  46                 {
  47                         switch(pCard->hw->card_type) {
  48                                 case DIA_CARD_TYPE_DIVA_SERVER:
  49                                         ctype = EICON_CTYPE_MAESTRAP;
  50                                         card_id++;
  51                                         had_q = 0;
  52                                         break;
  53                                 case DIA_CARD_TYPE_DIVA_SERVER_B:
  54                                         ctype = EICON_CTYPE_MAESTRA;
  55                                         card_id++;
  56                                         had_q = 0;
  57                                         break;
  58                                 case DIA_CARD_TYPE_DIVA_SERVER_Q:
  59                                         ctype = EICON_CTYPE_MAESTRAQ;
  60                                         if (!had_q)
  61                                                 card_id++;
  62                                         if (++had_q >=4)
  63                                                 had_q = 0;
  64                                         break;
  65                                 default:
  66                                         printk(KERN_ERR "eicon_pci: unknown card type %d !\n",
  67                                                 pCard->hw->card_type);
  68                                         goto err;
  69                         }
  70                         sprintf(did, "%s%d", (strlen(ID) < 1) ? "eicon":ID, pci_cards);
  71                         if ((!ctype) || (!(eicon_addcard(ctype, 0, pCard->hw->irq, did, card_id)))) {
  72                                 printk(KERN_ERR "eicon_pci: Card could not be added !\n");
  73                         } else {
  74                                 pci_cards++;
  75                                 printk(KERN_INFO "%s: DriverID='%s' CardID=%d\n",
  76                                         eicon_ctype_name[ctype], did, card_id);
  77                         }
  78 err:;
  79                 }
  80                 pCard++;
  81         }
  82         return pci_cards;
  83 }
  84
  85 void
  86 eicon_pci_init_conf(eicon_card *card)
  87 {
  88         int j;
  89
  90         /* initializing some variables */
  91         card->ReadyInt = 0;
  92
  93         for(j = 0; j < 256; j++)
  94                 card->IdTable[j] = NULL;
  95
  96         for(j = 0; j < (card->d->channels + 1); j++) {
  97                 card->bch[j].e.busy = 0;
  98                 card->bch[j].e.D3Id = 0;
  99                 card->bch[j].e.B2Id = 0;
 100                 card->bch[j].e.ref = 0;
 101                 card->bch[j].e.Req = 0;
 102                 card->bch[j].e.complete = 1;
 103                 card->bch[j].fsm_state = EICON_STATE_NULL;
 104         }
 105 }
 106
 107 #endif
 108 #endif  /* CONFIG_PCI */
 109