LXR linux/include/linux/mISDNhw.h

   1/*
   2 *
   3 * Author       Karsten Keil <kkeil@novell.com>
   4 *
   5 *   Basic declarations for the mISDN HW channels
   6 *
   7 * Copyright 2008  by Karsten Keil <kkeil@novell.com>
   8 *
   9 * This program is free software; you can redistribute it and/or modify
  10 * it under the terms of the GNU General Public License version 2 as
  11 * published by the Free Software Foundation.
  12 *
  13 * This program is distributed in the hope that it will be useful,
  14 * but WITHOUT ANY WARRANTY; without even the implied warranty of
  15 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  16 * GNU General Public License for more details.
  17 *
  18 */
  19
  20#ifndef MISDNHW_H
  21#define MISDNHW_H
  22#include <linux/mISDNif.h>
  23#include <linux/timer.h>
  24
  25/*
  26 * HW DEBUG 0xHHHHGGGG
  27 * H - hardware driver specific bits
  28 * G - for all drivers
  29 */
  30
  31#define DEBUG_HW                0x00000001
  32#define DEBUG_HW_OPEN           0x00000002
  33#define DEBUG_HW_DCHANNEL       0x00000100
  34#define DEBUG_HW_DFIFO          0x00000200
  35#define DEBUG_HW_BCHANNEL       0x00001000
  36#define DEBUG_HW_BFIFO          0x00002000
  37
  38#define MAX_DFRAME_LEN_L1       300
  39#define MAX_MON_FRAME           32
  40#define MAX_LOG_SPACE           2048
  41#define MISDN_COPY_SIZE         32
  42
  43/* channel->Flags bit field */
  44#define FLG_TX_BUSY             0       /* tx_buf in use */
  45#define FLG_TX_NEXT             1       /* next_skb in use */
  46#define FLG_L1_BUSY             2       /* L1 is permanent busy */
  47#define FLG_L2_ACTIVATED        3       /* activated from L2 */
  48#define FLG_OPEN                5       /* channel is in use */
  49#define FLG_ACTIVE              6       /* channel is activated */
  50#define FLG_BUSY_TIMER          7
  51/* channel type */
  52#define FLG_DCHANNEL            8       /* channel is D-channel */
  53#define FLG_BCHANNEL            9       /* channel is B-channel */
  54#define FLG_ECHANNEL            10      /* channel is E-channel */
  55#define FLG_TRANSPARENT         12      /* channel use transparent data */
  56#define FLG_HDLC                13      /* channel use hdlc data */
  57#define FLG_L2DATA              14      /* channel use L2 DATA primitivs */
  58#define FLG_ORIGIN              15      /* channel is on origin site */
  59/* channel specific stuff */
  60#define FLG_FILLEMPTY           16      /* fill fifo on first frame (empty) */
  61/* arcofi specific */
  62#define FLG_ARCOFI_TIMER        17
  63#define FLG_ARCOFI_ERROR        18
  64/* isar specific */
  65#define FLG_INITIALIZED         17
  66#define FLG_DLEETX              18
  67#define FLG_LASTDLE             19
  68#define FLG_FIRST               20
  69#define FLG_LASTDATA            21
  70#define FLG_NMD_DATA            22
  71#define FLG_FTI_RUN             23
  72#define FLG_LL_OK               24
  73#define FLG_LL_CONN             25
  74#define FLG_DTMFSEND            26
  75
  76/* workq events */
  77#define FLG_RECVQUEUE           30
  78#define FLG_PHCHANGE            31
  79
  80#define schedule_event(s, ev)   do { \
  81                                        test_and_set_bit(ev, &((s)->Flags)); \
  82                                        schedule_work(&((s)->workq)); \
  83                                } while (0)
  84
  85struct dchannel {
  86        struct mISDNdevice      dev;
  87        u_long                  Flags;
  88        struct work_struct      workq;
  89        void                    (*phfunc) (struct dchannel *);
  90        u_int                   state;
  91        void                    *l1;
  92        void                    *hw;
  93        int                     slot;   /* multiport card channel slot */
  94        struct timer_list       timer;
  95        /* receive data */
  96        struct sk_buff          *rx_skb;
  97        int                     maxlen;
  98        /* send data */
  99        struct sk_buff_head     squeue;
 100        struct sk_buff_head     rqueue;
 101        struct sk_buff          *tx_skb;
 102        int                     tx_idx;
 103        int                     debug;
 104        /* statistics */
 105        int                     err_crc;
 106        int                     err_tx;
 107        int                     err_rx;
 108};
 109
 110typedef int     (dchannel_l1callback)(struct dchannel *, u_int);
 111extern int      create_l1(struct dchannel *, dchannel_l1callback *);
 112
 113/* private L1 commands */
 114#define INFO0           0x8002
 115#define INFO1           0x8102
 116#define INFO2           0x8202
 117#define INFO3_P8        0x8302
 118#define INFO3_P10       0x8402
 119#define INFO4_P8        0x8502
 120#define INFO4_P10       0x8602
 121#define LOSTFRAMING     0x8702
 122#define ANYSIGNAL       0x8802
 123#define HW_POWERDOWN    0x8902
 124#define HW_RESET_REQ    0x8a02
 125#define HW_POWERUP_REQ  0x8b02
 126#define HW_DEACT_REQ    0x8c02
 127#define HW_ACTIVATE_REQ 0x8e02
 128#define HW_D_NOBLOCKED  0x8f02
 129#define HW_RESET_IND    0x9002
 130#define HW_POWERUP_IND  0x9102
 131#define HW_DEACT_IND    0x9202
 132#define HW_ACTIVATE_IND 0x9302
 133#define HW_DEACT_CNF    0x9402
 134#define HW_TESTLOOP     0x9502
 135#define HW_TESTRX_RAW   0x9602
 136#define HW_TESTRX_HDLC  0x9702
 137#define HW_TESTRX_OFF   0x9802
 138
 139struct layer1;
 140extern int      l1_event(struct layer1 *, u_int);
 141
 142
 143struct bchannel {
 144        struct mISDNchannel     ch;
 145        int                     nr;
 146        u_long                  Flags;
 147        struct work_struct      workq;
 148        u_int                   state;
 149        void                    *hw;
 150        int                     slot;   /* multiport card channel slot */
 151        struct timer_list       timer;
 152        /* receive data */
 153        struct sk_buff          *rx_skb;
 154        int                     maxlen;
 155        /* send data */
 156        struct sk_buff          *next_skb;
 157        struct sk_buff          *tx_skb;
 158        struct sk_buff_head     rqueue;
 159        int                     rcount;
 160        int                     tx_idx;
 161        int                     debug;
 162        /* statistics */
 163        int                     err_crc;
 164        int                     err_tx;
 165        int                     err_rx;
 166};
 167
 168extern int      mISDN_initdchannel(struct dchannel *, int, void *);
 169extern int      mISDN_initbchannel(struct bchannel *, int);
 170extern int      mISDN_freedchannel(struct dchannel *);
 171extern void     mISDN_clear_bchannel(struct bchannel *);
 172extern int      mISDN_freebchannel(struct bchannel *);
 173extern void     queue_ch_frame(struct mISDNchannel *, u_int,
 174                        int, struct sk_buff *);
 175extern int      dchannel_senddata(struct dchannel *, struct sk_buff *);
 176extern int      bchannel_senddata(struct bchannel *, struct sk_buff *);
 177extern void     recv_Dchannel(struct dchannel *);
 178extern void     recv_Echannel(struct dchannel *, struct dchannel *);
 179extern void     recv_Bchannel(struct bchannel *, unsigned int id);
 180extern void     recv_Dchannel_skb(struct dchannel *, struct sk_buff *);
 181extern void     recv_Bchannel_skb(struct bchannel *, struct sk_buff *);
 182extern void     confirm_Bsend(struct bchannel *bch);
 183extern int      get_next_bframe(struct bchannel *);
 184extern int      get_next_dframe(struct dchannel *);
 185
 186#endif
 187