release/src/linux/linux/drivers/isdn/eicon/eicon.h

   1 /* $Id: eicon.h,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  *
   5  * Copyright 1998       by Fritz Elfert (fritz@isdn4linux.de)
   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  */
  13
  14 #ifndef eicon_h
  15 #define eicon_h
  16
  17 #define EICON_IOCTL_SETMMIO   0
  18 #define EICON_IOCTL_GETMMIO   1
  19 #define EICON_IOCTL_SETIRQ    2
  20 #define EICON_IOCTL_GETIRQ    3
  21 #define EICON_IOCTL_LOADBOOT  4
  22 #define EICON_IOCTL_ADDCARD   5
  23 #define EICON_IOCTL_GETTYPE   6
  24 #define EICON_IOCTL_LOADPCI   7
  25 #define EICON_IOCTL_LOADISA   8
  26 #define EICON_IOCTL_GETVER    9
  27 #define EICON_IOCTL_GETXLOG  10
  28
  29 #define EICON_IOCTL_MANIF    90
  30
  31 #define EICON_IOCTL_FREEIT   97
  32 #define EICON_IOCTL_TEST     98
  33 #define EICON_IOCTL_DEBUGVAR 99
  34
  35 #define EICON_IOCTL_DIA_OFFSET  100
  36
  37 /* Bus types */
  38 #define EICON_BUS_ISA          1
  39 #define EICON_BUS_MCA          2
  40 #define EICON_BUS_PCI          3
  41
  42 /* Constants for describing Card-Type */
  43 #define EICON_CTYPE_S            0
  44 #define EICON_CTYPE_SX           1
  45 #define EICON_CTYPE_SCOM         2
  46 #define EICON_CTYPE_QUADRO       3
  47 #define EICON_CTYPE_S2M          4
  48 #define EICON_CTYPE_MAESTRA      5
  49 #define EICON_CTYPE_MAESTRAQ     6
  50 #define EICON_CTYPE_MAESTRAQ_U   7
  51 #define EICON_CTYPE_MAESTRAP     8
  52 #define EICON_CTYPE_ISABRI       0x10
  53 #define EICON_CTYPE_ISAPRI       0x20
  54 #define EICON_CTYPE_MASK         0x0f
  55 #define EICON_CTYPE_QUADRO_NR(n) (n<<4)
  56
  57 #define MAX_HEADER_LEN 10
  58
  59 #define MAX_STATUS_BUFFER       150
  60
  61 /* Struct for adding new cards */
  62 typedef struct eicon_cdef {
  63         int membase;
  64         int irq;
  65         char id[10];
  66 } eicon_cdef;
  67
  68 #define EICON_ISA_BOOT_MEMCHK 1
  69 #define EICON_ISA_BOOT_NORMAL 2
  70
  71 /* Struct for downloading protocol via ioctl for ISA cards */
  72 /* same struct for downloading protocol via ioctl for MCA cards */
  73 typedef struct {
  74         /* start-up parameters */
  75         unsigned char tei;
  76         unsigned char nt2;
  77         unsigned char skip1;
  78         unsigned char WatchDog;
  79         unsigned char Permanent;
  80         unsigned char XInterface;
  81         unsigned char StableL2;
  82         unsigned char NoOrderCheck;
  83         unsigned char HandsetType;
  84         unsigned char skip2;
  85         unsigned char LowChannel;
  86         unsigned char ProtVersion;
  87         unsigned char Crc4;
  88         unsigned char Loopback;
  89         unsigned char oad[32];
  90         unsigned char osa[32];
  91         unsigned char spid[32];
  92         unsigned char boot_opt;
  93         unsigned long bootstrap_len;
  94         unsigned long firmware_len;
  95         unsigned char code[1]; /* Rest (bootstrap- and firmware code) will be allocated */
  96 } eicon_isa_codebuf;
  97
  98 /* Data for downloading protocol via ioctl */
  99 typedef union {
 100         eicon_isa_codebuf isa;
 101         eicon_isa_codebuf mca;
 102 } eicon_codebuf;
 103
 104 /* Data for Management interface */
 105 typedef struct {
 106         int count;
 107         int pos;
 108         int length[50];
 109         unsigned char data[700];
 110 } eicon_manifbuf;
 111
 112 #define TRACE_OK                 (1)
 113
 114 #ifdef __KERNEL__
 115
 116 /* Kernel includes */
 117 #include <linux/config.h>
 118 #include <linux/sched.h>
 119 #include <linux/string.h>
 120 #include <linux/tqueue.h>
 121 #include <linux/interrupt.h>
 122 #include <linux/skbuff.h>
 123 #include <linux/errno.h>
 124 #include <linux/fs.h>
 125 #include <linux/major.h>
 126 #include <asm/segment.h>
 127 #include <asm/io.h>
 128 #include <linux/kernel.h>
 129 #include <linux/signal.h>
 130 #include <linux/slab.h>
 131 #include <linux/mm.h>
 132 #include <linux/mman.h>
 133 #include <linux/ioport.h>
 134 #include <linux/timer.h>
 135 #include <linux/wait.h>
 136 #include <linux/delay.h>
 137 #include <linux/ctype.h>
 138 #include <linux/pci.h>
 139
 140 #include <linux/isdn.h>
 141 #include <linux/isdnif.h>
 142
 143
 144 typedef struct {
 145   __u16 length __attribute__ ((packed)); /* length of data/parameter field */
 146   __u8  P[1];                          /* data/parameter field */
 147 } eicon_PBUFFER;
 148
 149 #include "eicon_isa.h"
 150
 151 #include "idi.h"
 152
 153 typedef struct {
 154   __u16 NextReq  __attribute__ ((packed));  /* pointer to next Req Buffer */
 155   __u16 NextRc   __attribute__ ((packed));  /* pointer to next Rc Buffer  */
 156   __u16 NextInd  __attribute__ ((packed));  /* pointer to next Ind Buffer */
 157   __u8 ReqInput;  /* number of Req Buffers sent */
 158   __u8 ReqOutput; /* number of Req Buffers returned */
 159   __u8 ReqReserved;/*number of Req Buffers reserved */
 160   __u8 Int;       /* ISDN-P interrupt           */
 161   __u8 XLock;     /* Lock field for arbitration */
 162   __u8 RcOutput;  /* number of Rc buffers received */
 163   __u8 IndOutput; /* number of Ind buffers received */
 164   __u8 IMask;     /* Interrupt Mask Flag        */
 165   __u8 Reserved1[2]; /* reserved field, do not use */
 166   __u8 ReadyInt;  /* request field for ready int */
 167   __u8 Reserved2[12]; /* reserved field, do not use */
 168   __u8 InterfaceType; /* interface type 1=16K    */
 169   __u16 Signature  __attribute__ ((packed));    /* ISDN-P initialized ind  */
 170   __u8 B[1];                            /* buffer space for Req,Ind and Rc */
 171 } eicon_pr_ram;
 172
 173 /* Macro for delay via schedule() */
 174 #define SLEEP(j) {                     \
 175   set_current_state(TASK_UNINTERRUPTIBLE); \
 176   schedule_timeout(j);                 \
 177 }
 178
 179 typedef struct {
 180   __u8                  Req;            /* pending request          */
 181   __u8                  Rc;             /* return code received     */
 182   __u8                  Ind;            /* indication received      */
 183   __u8                  ReqCh;          /* channel of current Req   */
 184   __u8                  RcCh;           /* channel of current Rc    */
 185   __u8                  IndCh;          /* channel of current Ind   */
 186   __u8                  D3Id;           /* ID used by this entity   */
 187   __u8                  B2Id;           /* ID used by this entity   */
 188   __u8                  GlobalId;       /* reserved field           */
 189   __u8                  XNum;           /* number of X-buffers      */
 190   __u8                  RNum;           /* number of R-buffers      */
 191   struct sk_buff_head   X;              /* X-buffer queue           */
 192   struct sk_buff_head   R;              /* R-buffer queue           */
 193   __u8                  RNR;            /* receive not ready flag   */
 194   __u8                  complete;       /* receive complete status  */
 195   __u8                  busy;           /* busy flag                */
 196   __u16                 ref;            /* saved reference          */
 197 } entity;
 198
 199 #define FAX_MAX_SCANLINE 256
 200
 201 typedef struct {
 202         __u8            PrevObject;
 203         __u8            NextObject;
 204         __u8            abLine[FAX_MAX_SCANLINE];
 205         __u8            abFrame[FAX_MAX_SCANLINE];
 206         unsigned int    LineLen;
 207         unsigned int    LineDataLen;
 208         __u32           LineData;
 209         unsigned int    NullBytesPos;
 210         __u8            NullByteExist;
 211         int             PageCount;
 212         __u8            Dle;
 213         __u8            Eop;
 214 } eicon_ch_fax_buf;
 215
 216 typedef struct {
 217         int            No;               /* Channel Number              */
 218         unsigned short fsm_state;        /* Current D-Channel state     */
 219         unsigned short statectrl;        /* State controling bits       */
 220         unsigned short eazmask;          /* EAZ-Mask for this Channel   */
 221         int             queued;          /* User-Data Bytes in TX queue */
 222         int             pqueued;         /* User-Data Packets in TX queue */
 223         int             waitq;           /* User-Data Bytes in wait queue */
 224         int             waitpq;          /* User-Data Bytes in packet queue */
 225         struct sk_buff *tskb1;           /* temp skb 1                  */
 226         struct sk_buff *tskb2;           /* temp skb 2                  */
 227         unsigned char  l2prot;           /* Layer 2 protocol            */
 228         unsigned char  l3prot;           /* Layer 3 protocol            */
 229 #ifdef CONFIG_ISDN_TTY_FAX
 230         T30_s           *fax;            /* pointer to fax data in LL   */
 231         eicon_ch_fax_buf fax2;           /* fax related struct          */
 232 #endif
 233         entity          e;               /* Native Entity               */
 234         ENTITY          de;              /* Divas D Entity              */
 235         ENTITY          be;              /* Divas B Entity              */
 236         char            cpn[32];         /* remember cpn                */
 237         char            oad[32];         /* remember oad                */
 238         char            dsa[32];         /* remember dsa                */
 239         char            osa[32];         /* remember osa                */
 240         unsigned char   cause[2];        /* Last Cause                  */
 241         unsigned char   si1;
 242         unsigned char   si2;
 243         unsigned char   plan;
 244         unsigned char   screen;
 245 } eicon_chan;
 246
 247 typedef struct {
 248         eicon_chan *ptr;
 249 } eicon_chan_ptr;
 250
 251 #include "eicon_pci.h"
 252
 253 #define EICON_FLAGS_RUNNING  1 /* Cards driver activated */
 254 #define EICON_FLAGS_PVALID   2 /* Cards port is valid    */
 255 #define EICON_FLAGS_IVALID   4 /* Cards irq is valid     */
 256 #define EICON_FLAGS_MVALID   8 /* Cards membase is valid */
 257 #define EICON_FLAGS_LOADED   8 /* Firmware loaded        */
 258
 259 /* D-Channel states */
 260 #define EICON_STATE_NULL     0
 261 #define EICON_STATE_ICALL    1
 262 #define EICON_STATE_OCALL    2
 263 #define EICON_STATE_IWAIT    3
 264 #define EICON_STATE_OWAIT    4
 265 #define EICON_STATE_IBWAIT   5
 266 #define EICON_STATE_OBWAIT   6
 267 #define EICON_STATE_BWAIT    7
 268 #define EICON_STATE_BHWAIT   8
 269 #define EICON_STATE_BHWAIT2  9
 270 #define EICON_STATE_DHWAIT  10
 271 #define EICON_STATE_DHWAIT2 11
 272 #define EICON_STATE_BSETUP  12
 273 #define EICON_STATE_ACTIVE  13
 274 #define EICON_STATE_ICALLW  14
 275 #define EICON_STATE_LISTEN  15
 276 #define EICON_STATE_WMCONN  16
 277
 278 #define EICON_MAX_QUEUE  2138
 279
 280 typedef union {
 281         eicon_isa_card isa;
 282         eicon_pci_card pci;
 283         eicon_isa_card mca;
 284 } eicon_hwif;
 285
 286 typedef struct {
 287         __u8 ret;
 288         __u8 id;
 289         __u8 ch;
 290 } eicon_ack;
 291
 292 typedef struct {
 293         __u8 code;
 294         __u8 id;
 295         __u8 ch;
 296 } eicon_req;
 297
 298 typedef struct {
 299         __u8 ret;
 300         __u8 id;
 301         __u8 ch;
 302         __u8 more;
 303 } eicon_indhdr;
 304
 305 /*
 306  * Per card driver data
 307  */
 308 typedef struct eicon_card {
 309         eicon_hwif hwif;                 /* Hardware dependant interface     */
 310         DESCRIPTOR *d;                   /* IDI Descriptor                   */
 311         u_char ptype;                    /* Protocol type (1TR6 or Euro)     */
 312         u_char bus;                      /* Bustype (ISA, MCA, PCI)          */
 313         u_char type;                     /* Cardtype (EICON_CTYPE_...)       */
 314         struct eicon_card *qnext;        /* Pointer to next quadro adapter   */
 315         int Feature;                     /* Protocol Feature Value           */
 316         struct eicon_card *next;         /* Pointer to next device struct    */
 317         int myid;                        /* Driver-Nr. assigned by linklevel */
 318         unsigned long flags;             /* Statusflags                      */
 319         struct sk_buff_head rcvq;        /* Receive-Message queue            */
 320         struct sk_buff_head sndq;        /* Send-Message queue               */
 321         struct sk_buff_head rackq;       /* Req-Ack-Message queue            */
 322         struct sk_buff_head sackq;       /* Data-Ack-Message queue           */
 323         struct sk_buff_head statq;       /* Status-Message queue             */
 324         int statq_entries;
 325         struct tq_struct snd_tq;         /* Task struct for xmit bh          */
 326         struct tq_struct rcv_tq;         /* Task struct for rcv bh           */
 327         struct tq_struct ack_tq;         /* Task struct for ack bh           */
 328         eicon_chan*     IdTable[256];    /* Table to find entity   */
 329         __u16  ref_in;
 330         __u16  ref_out;
 331         int    nchannels;                /* Number of B-Channels             */
 332         int    ReadyInt;                 /* Ready Interrupt                  */
 333         eicon_chan *bch;                 /* B-Channel status/control         */
 334         DBUFFER *dbuf;                   /* Dbuffer for Diva Server          */
 335         BUFFERS *sbuf;                   /* Buffer for Diva Server           */
 336         char *sbufp;                     /* Data Buffer for Diva Server      */
 337         isdn_if interface;               /* Interface to upper layer         */
 338         char regname[35];                /* Drivers card name                */
 339 #ifdef CONFIG_MCA
 340         int     mca_slot;                /* # of cards MCA slot              */
 341         int     mca_io;                  /* MCA cards IO port                */
 342 #endif /* CONFIG_MCA */
 343 } eicon_card;
 344
 345 #include "eicon_idi.h"
 346
 347 extern char *eicon_ctype_name[];
 348
 349
 350 static inline void eicon_schedule_tx(eicon_card *card)
 351 {
 352         queue_task(&card->snd_tq, &tq_immediate);
 353         mark_bh(IMMEDIATE_BH);
 354 }
 355
 356 static inline void eicon_schedule_rx(eicon_card *card)
 357 {
 358         queue_task(&card->rcv_tq, &tq_immediate);
 359         mark_bh(IMMEDIATE_BH);
 360 }
 361
 362 static inline void eicon_schedule_ack(eicon_card *card)
 363 {
 364         queue_task(&card->ack_tq, &tq_immediate);
 365         mark_bh(IMMEDIATE_BH);
 366 }
 367
 368 extern int eicon_addcard(int, int, int, char *, int);
 369 extern void eicon_io_transmit(eicon_card *card);
 370 extern void eicon_irq(int irq, void *dev_id, struct pt_regs *regs);
 371 extern void eicon_io_rcv_dispatch(eicon_card *ccard);
 372 extern void eicon_io_ack_dispatch(eicon_card *ccard);
 373 #ifdef CONFIG_MCA
 374 extern int eicon_mca_find_card(int, int, int, char *);
 375 extern int eicon_mca_probe(int, int, int, int, char *);
 376 extern int eicon_info(char *, int , void *);
 377 #endif /* CONFIG_MCA */
 378
 379 extern ulong DebugVar;
 380 extern void eicon_log(eicon_card * card, int level, const char *fmt, ...);
 381 extern void eicon_putstatus(eicon_card * card, char * buf);
 382
 383 extern spinlock_t eicon_lock;
 384
 385 #endif  /* __KERNEL__ */
 386
 387 #endif  /* eicon_h */