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  */
  57 typedef 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  */
  73 typedef 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
 104 extern board *sc_adapter[];
 105 extern int cinst;
 106
 107 void memcpy_toshmem(int card, void *dest, const void *src, size_t n);
 108 void memcpy_fromshmem(int card, void *dest, const void *src, size_t n);
 109 int get_card_from_id(int driver);
 110 int indicate_status(int card, int event, ulong Channel, char *Data);
 111 irqreturn_t interrupt_handler(int interrupt, void *cardptr);
 112 int sndpkt(int devId, int channel, int ack, struct sk_buff *data);
 113 void rcvpkt(int card, RspMessage *rcvmsg);
 114 int command(isdn_ctrl *cmd);
 115 int reset(int card);
 116 int startproc(int card);
 117 int 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);
 121 void flushreadfifo (int card);
 122 int 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);
 125 int receivemessage(int card, RspMessage *rspmsg);
 126 int sc_ioctl(int card, scs_ioctl *data);
 127 int setup_buffers(int card, int c);
 128 void sc_check_reset(unsigned long data);
 129 void check_phystat(unsigned long data);
 130
 131 #endif /* CARD_H */