LXR linux/drivers/isdn/sc/card.h

   1/* $Id: card.h,v 1.1.10.1 2001/09/23 22:24:59 kai Exp $
   2 *
   3 * Driver parameters for SpellCaster ISA ISDN adapters
   4 *
   5 * Copyright (C) 1996  SpellCaster Telecommunications Inc.
   6 *
   7 * This software may be used and distributed according to the terms
   8 * of the GNU General Public License, incorporated herein by reference.
   9 *
  10 * For more information, please contact gpl-info@spellcast.com or write:
  11 *
  12 *     SpellCaster Telecommunications Inc.
  13 *     5621 Finch Avenue East, Unit #3
  14 *     Scarborough, Ontario  Canada
  15 *     M1B 2T9
  16 *     +1 (416) 297-8565
  17 *     +1 (416) 297-6433 Facsimile
  18 */
  19
  20#ifndef CARD_H
  21#define CARD_H
  22
  23/*
  24 * We need these if they're not already included
  25 */
  26#include <linux/timer.h>
  27#include <linux/time.h>
  28#include <linux/isdnif.h>
  29#include <linux/irqreturn.h>
  30#include "message.h"
  31#include "scioc.h"
  32
  33/*
  34 * Amount of time to wait for a reset to complete
  35 */
  36#define CHECKRESET_TIME         msecs_to_jiffies(4000)
  37
  38/*
  39 * Amount of time between line status checks
  40 */
  41#define CHECKSTAT_TIME          msecs_to_jiffies(8000)
  42
  43/*
  44 * The maximum amount of time to wait for a message response
  45 * to arrive. Use exclusively by send_and_receive
  46 */
  47#define SAR_TIMEOUT             msecs_to_jiffies(10000)
  48
  49/*
  50 * Macro to determine is a card id is valid
  51 */
  52#define IS_VALID_CARD(x)        ((x >= 0) && (x <= cinst))
  53
  54/*
  55 * Per channel status and configuration
  56 */
  57typedef struct {
  58        int l2_proto;
  59        int l3_proto;
  60        char dn[50];
  61        unsigned long first_sendbuf;    /* Offset of first send buffer */
  62        unsigned int num_sendbufs;      /* Number of send buffers */
  63        unsigned int free_sendbufs;     /* Number of free sendbufs */
  64        unsigned int next_sendbuf;      /* Next sequential buffer */
  65        char eazlist[50];               /* Set with SETEAZ */
  66        char sillist[50];               /* Set with SETSIL */
  67        int eazclear;                   /* Don't accept calls if TRUE */
  68} bchan;
  69
  70/*
  71 * Everything you want to know about the adapter ...
  72 */
  73typedef struct {
  74        int model;
  75        int driverId;                   /* LL Id */
  76        char devicename[20];            /* The device name */
  77        isdn_if *card;                  /* ISDN4Linux structure */
  78        bchan *channel;                 /* status of the B channels */
  79        char nChannels;                 /* Number of channels */
  80        unsigned int interrupt;         /* Interrupt number */
  81        int iobase;                     /* I/O Base address */
  82        int ioport[MAX_IO_REGS];        /* Index to I/O ports */
  83        int shmem_pgport;               /* port for the exp mem page reg. */
  84        int shmem_magic;                /* adapter magic number */
  85        unsigned int rambase;           /* Shared RAM base address */
  86        unsigned int ramsize;           /* Size of shared memory */
  87        RspMessage async_msg;           /* Async response message */
  88        int want_async_messages;        /* Snoop the Q ? */
  89        unsigned char seq_no;           /* Next send seq. number */
  90        struct timer_list reset_timer;  /* Check reset timer */
  91        struct timer_list stat_timer;   /* Check startproc timer */
  92        unsigned char nphystat;         /* Latest PhyStat info */
  93        unsigned char phystat;          /* Last PhyStat info */
  94        HWConfig_pl hwconfig;           /* Hardware config info */
  95        char load_ver[11];              /* CommManage Version string */
  96        char proc_ver[11];              /* CommEngine Version */
  97        int StartOnReset;               /* Indicates startproc after reset */
  98        int EngineUp;                   /* Indicates CommEngine Up */
  99        int trace_mode;                 /* Indicate if tracing is on */
 100        spinlock_t lock;                /* local lock */
 101} board;
 102
 103
 104extern board *sc_adapter[];
 105extern int cinst;
 106
 107void memcpy_toshmem(int card, void *dest, const void *src, size_t n);
 108void memcpy_fromshmem(int card, void *dest, const void *src, size_t n);
 109int get_card_from_id(int driver);
 110int indicate_status(int card, int event, ulong Channel, char *Data);
 111irqreturn_t interrupt_handler(int interrupt, void *cardptr);
 112int sndpkt(int devId, int channel, int ack, struct sk_buff *data);
 113void rcvpkt(int card, RspMessage *rcvmsg);
 114int command(isdn_ctrl *cmd);
 115int reset(int card);
 116int startproc(int card);
 117int send_and_receive(int card, unsigned int procid, unsigned char type,
 118                     unsigned char class, unsigned char code,
 119                     unsigned char link, unsigned char data_len,
 120                     unsigned char *data,  RspMessage *mesgdata, int timeout);
 121void flushreadfifo (int card);
 122int sendmessage(int card, unsigned int procid, unsigned int type,
 123                unsigned int class, unsigned int code, unsigned int link,
 124                unsigned int data_len, unsigned int *data);
 125int receivemessage(int card, RspMessage *rspmsg);
 126int sc_ioctl(int card, scs_ioctl *data);
 127int setup_buffers(int card, int c);
 128void sc_check_reset(unsigned long data);
 129void check_phystat(unsigned long data);
 130
 131#endif /* CARD_H */
 132