drivers/isdn/pcbit/pcbit.h

   1 /*
   2  * PCBIT-D device driver definitions
   3  *
   4  * Copyright (C) 1996 Universidade de Lisboa
   5  *
   6  * Written by Pedro Roque Marques (roque@di.fc.ul.pt)
   7  *
   8  * This software may be used and distributed according to the terms of
   9  * the GNU General Public License, incorporated herein by reference.
  10  */
  11
  12 #ifndef PCBIT_H
  13 #define PCBIT_H
  14
  15 #include <linux/workqueue.h>
  16
  17 #define MAX_PCBIT_CARDS 4
  18
  19
  20 #define BLOCK_TIMER
  21
  22 #ifdef __KERNEL__
  23
  24 struct pcbit_chan {
  25         unsigned short id;
  26         unsigned short callref;                   /* Call Reference */
  27         unsigned char  proto;                     /* layer2protocol  */
  28         unsigned char  queued;                    /* unacked data messages */
  29         unsigned char  layer2link;                /* used in TData */
  30         unsigned char  snum;                      /* used in TData */
  31         unsigned short s_refnum;
  32         unsigned short r_refnum;
  33         unsigned short fsm_state;
  34         struct timer_list fsm_timer;
  35 #ifdef  BLOCK_TIMER
  36         struct timer_list block_timer;
  37 #endif
  38 };
  39
  40 struct msn_entry {
  41         char *msn;
  42         struct msn_entry * next;
  43 };
  44
  45 struct pcbit_dev {
  46         /* board */
  47
  48         volatile unsigned char __iomem *sh_mem;         /* RDP address  */
  49         unsigned long ph_mem;
  50         unsigned int irq;
  51         unsigned int id;
  52         unsigned int interrupt;                 /* set during interrupt
  53                                                    processing */
  54         spinlock_t lock;
  55         /* isdn4linux */
  56
  57         struct msn_entry * msn_list;            /* ISDN address list */
  58
  59         isdn_if * dev_if;
  60
  61         ushort ll_hdrlen;
  62         ushort hl_hdrlen;
  63
  64         /* link layer */
  65         unsigned char l2_state;
  66
  67         struct frame_buf *read_queue;
  68         struct frame_buf *read_frame;
  69         struct frame_buf *write_queue;
  70
  71         /* Protocol start */
  72         wait_queue_head_t set_running_wq;
  73         struct timer_list set_running_timer;
  74
  75         struct timer_list error_recover_timer;
  76
  77         struct work_struct qdelivery;
  78
  79         u_char w_busy;
  80         u_char r_busy;
  81
  82         volatile unsigned char __iomem *readptr;
  83         volatile unsigned char __iomem *writeptr;
  84
  85         ushort loadptr;
  86
  87         unsigned short fsize[8];                /* sent layer2 frames size */
  88
  89         unsigned char send_seq;
  90         unsigned char rcv_seq;
  91         unsigned char unack_seq;
  92
  93         unsigned short free;
  94
  95         /* channels */
  96
  97         struct pcbit_chan *b1;
  98         struct pcbit_chan *b2;
  99 };
 100
 101 #define STATS_TIMER (10*HZ)
 102 #define ERRTIME     (HZ/10)
 103
 104 /* MRU */
 105 #define MAXBUFSIZE  1534
 106 #define MRU   MAXBUFSIZE
 107
 108 #define STATBUF_LEN 2048
 109 /*
 110  *
 111  */
 112
 113 #endif /* __KERNEL__ */
 114
 115 /* isdn_ctrl only allows a long sized argument */
 116
 117 struct pcbit_ioctl {
 118         union {
 119                 struct byte_op {
 120                         ushort addr;
 121                         ushort value;
 122                 } rdp_byte;
 123                 unsigned long l2_status;
 124         } info;
 125 };
 126
 127
 128
 129 #define PCBIT_IOCTL_GETSTAT  0x01    /* layer2 status */
 130 #define PCBIT_IOCTL_LWMODE   0x02    /* linear write mode */
 131 #define PCBIT_IOCTL_STRLOAD  0x03    /* start load mode */
 132 #define PCBIT_IOCTL_ENDLOAD  0x04    /* end load mode */
 133 #define PCBIT_IOCTL_SETBYTE  0x05    /* set byte */
 134 #define PCBIT_IOCTL_GETBYTE  0x06    /* get byte */
 135 #define PCBIT_IOCTL_RUNNING  0x07    /* set protocol running */
 136 #define PCBIT_IOCTL_WATCH188 0x08    /* set watch 188 */
 137 #define PCBIT_IOCTL_PING188  0x09    /* ping 188 */
 138 #define PCBIT_IOCTL_FWMODE   0x0A    /* firmware write mode */
 139 #define PCBIT_IOCTL_STOP     0x0B    /* stop protocol */
 140 #define PCBIT_IOCTL_APION    0x0C    /* issue API_ON  */
 141
 142 #ifndef __KERNEL__
 143
 144 #define PCBIT_GETSTAT  (PCBIT_IOCTL_GETSTAT  + IIOCDRVCTL)
 145 #define PCBIT_LWMODE   (PCBIT_IOCTL_LWMODE   + IIOCDRVCTL)
 146 #define PCBIT_STRLOAD  (PCBIT_IOCTL_STRLOAD  + IIOCDRVCTL)
 147 #define PCBIT_ENDLOAD  (PCBIT_IOCTL_ENDLOAD  + IIOCDRVCTL)
 148 #define PCBIT_SETBYTE  (PCBIT_IOCTL_SETBYTE  + IIOCDRVCTL)
 149 #define PCBIT_GETBYTE  (PCBIT_IOCTL_GETBYTE  + IIOCDRVCTL)
 150 #define PCBIT_RUNNING  (PCBIT_IOCTL_RUNNING  + IIOCDRVCTL)
 151 #define PCBIT_WATCH188 (PCBIT_IOCTL_WATCH188 + IIOCDRVCTL)
 152 #define PCBIT_PING188  (PCBIT_IOCTL_PING188  + IIOCDRVCTL)
 153 #define PCBIT_FWMODE   (PCBIT_IOCTL_FWMODE   + IIOCDRVCTL)
 154 #define PCBIT_STOP     (PCBIT_IOCTL_STOP     + IIOCDRVCTL)
 155 #define PCBIT_APION    (PCBIT_IOCTL_APION    + IIOCDRVCTL)
 156
 157 #define MAXSUPERLINE 3000
 158
 159 #endif
 160
 161 #define L2_DOWN     0
 162 #define L2_LOADING  1
 163 #define L2_LWMODE   2
 164 #define L2_FWMODE   3
 165 #define L2_STARTING 4
 166 #define L2_RUNNING  5
 167 #define L2_ERROR    6
 168
 169 void pcbit_deliver(struct work_struct *work);
 170 int pcbit_init_dev(int board, int mem_base, int irq);
 171 void pcbit_terminate(int board);
 172 void pcbit_l3_receive(struct pcbit_dev * dev, ulong msg, struct sk_buff * skb,
 173                       ushort hdr_len, ushort refnum);
 174 void pcbit_state_change(struct pcbit_dev * dev, struct pcbit_chan * chan,
 175                         unsigned short i, unsigned short ev, unsigned short f);
 176
 177 #endif