LXR linux-old/drivers/isdn/eicon/linsys.c

   1/*
   2 * Copyright (C) Eicon Technology Corporation, 2000.
   3 *
   4 * Eicon File Revision :    1.10  
   5 *
   6 * This software may be used and distributed according to the terms
   7 * of the GNU General Public License, incorporated herein by reference.
   8 *
   9 */
  10
  11#include <linux/sched.h>
  12#undef N_DATA
  13#include <linux/tqueue.h>
  14
  15#include <linux/smp.h>
  16struct pt_regs;
  17#include <linux/interrupt.h>
  18#include <linux/ioport.h>
  19
  20#include "sys.h"
  21#include "divas.h"
  22#include "adapter.h"
  23#include "divalog.h"
  24
  25#include "uxio.h"
  26
  27int Divas4BRIInitPCI(card_t *card, dia_card_t *cfg)
  28{
  29        /* Use UxPciConfigWrite routines to initialise PCI config space */
  30
  31/*      wPCIcommand = 0x03;
  32        cm_write_devconfig16(CMKey, PCI_COMMAND, &wPCIcommand);
  33
  34        wPCIcommand = 0x280;
  35        cm_write_devconfig16(CMKey, PCI_STATUS, &wPCIcommand);
  36
  37        bPCIcommand = 0x30;
  38        cm_write_devconfig16(CMKey, PCI_STATUS, &wPCIcommand);
  39*/
  40        return 0; 
  41}
  42
  43int DivasPRIInitPCI(card_t *card, dia_card_t *cfg)
  44{
  45        /* Use UxPciConfigWrite routines to initialise PCI config space */
  46
  47/*              wPCIcommand = 0x03;
  48        cm_write_devconfig16(CMKey, PCI_COMMAND, &wPCIcommand);
  49        
  50        wPCIcommand = 0x280;
  51        cm_write_devconfig16(CMKey, PCI_STATUS, &wPCIcommand);
  52        
  53        bPCIcommand = 0x30;
  54        cm_write_devconfig8(CMKey, PCI_LATENCY, &bPCIcommand);*/
  55
  56        return 0;  
  57}
  58
  59int DivasBRIInitPCI(card_t *card, dia_card_t *cfg)
  60{
  61        /* Need to set these platform dependent values after patching */
  62
  63        card->hw->reset_base = card->cfg.reset_base;
  64        card->hw->io_base = card->cfg.io_base;
  65
  66        request_region(card->hw->reset_base,0x80,"Divas");
  67        request_region(card->hw->io_base,0x20,"Divas");
  68
  69
  70        /* Same as for PRI */
  71        return DivasPRIInitPCI(card, cfg);
  72}
  73
  74/* ######################### Stubs of routines that are not done yet ################## */
  75/*void DivasLogIdi(card_t *card, ENTITY *e, int request)
  76{
  77}
  78*/
  79
  80int     DivasDpcSchedule(void)
  81{
  82        static  struct tq_struct DivasTask;
  83
  84        DivasTask.routine = DivasDoDpc;
  85        DivasTask.data = (void *) 0;
  86
  87        queue_task(&DivasTask, &tq_immediate);
  88        mark_bh(IMMEDIATE_BH);
  89
  90        return 0;
  91}
  92
  93int     DivasScheduleRequestDpc(void)
  94{
  95        static  struct tq_struct DivasTask;
  96
  97        DivasTask.routine = DivasDoRequestDpc;
  98        DivasTask.data = (void *) 0;
  99
 100        queue_task(&DivasTask, &tq_immediate);
 101        mark_bh(IMMEDIATE_BH);
 102
 103        return 0;
 104}
 105
 106void    DivasLogAdd(void *buffer, int length)
 107{
 108    static
 109    boolean_t   overflow = FALSE;
 110    static
 111    boolean_t   busy = FALSE;
 112
 113    /* make sure we're not interrupting ourselves */
 114
 115    if (busy)
 116    {
 117        printk(KERN_DEBUG "Divas: Logging interrupting self !\n");
 118        return;
 119    }
 120    busy = TRUE;
 121
 122    /* ignore call if daemon isn't running and we've reached limit */
 123
 124    if (DivasLogFifoFull())
 125    {
 126        if (!overflow)
 127        {
 128            printk(KERN_DEBUG "Divas: Trace buffer full\n");
 129            overflow = TRUE;
 130        }
 131        busy = FALSE;
 132        return;
 133    }
 134
 135        DivasLogFifoWrite(buffer, length);
 136
 137    busy = FALSE;
 138    return;
 139}
 140
 141/* #################################################################################### */
 142