178 строки
4.3 KiB
C
178 строки
4.3 KiB
C
/*
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* PCBIT-D device driver definitions
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*
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* Copyright (C) 1996 Universidade de Lisboa
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*
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* Written by Pedro Roque Marques (roque@di.fc.ul.pt)
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*
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* This software may be used and distributed according to the terms of
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* the GNU General Public License, incorporated herein by reference.
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*/
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#ifndef PCBIT_H
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#define PCBIT_H
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#include <linux/workqueue.h>
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#define MAX_PCBIT_CARDS 4
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#define BLOCK_TIMER
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#ifdef __KERNEL__
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struct pcbit_chan {
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unsigned short id;
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unsigned short callref; /* Call Reference */
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unsigned char proto; /* layer2protocol */
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unsigned char queued; /* unacked data messages */
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unsigned char layer2link; /* used in TData */
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unsigned char snum; /* used in TData */
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unsigned short s_refnum;
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unsigned short r_refnum;
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unsigned short fsm_state;
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struct timer_list fsm_timer;
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#ifdef BLOCK_TIMER
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struct timer_list block_timer;
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#endif
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};
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struct msn_entry {
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char *msn;
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struct msn_entry * next;
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};
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struct pcbit_dev {
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/* board */
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volatile unsigned char __iomem *sh_mem; /* RDP address */
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unsigned long ph_mem;
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unsigned int irq;
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unsigned int id;
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unsigned int interrupt; /* set during interrupt
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processing */
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spinlock_t lock;
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/* isdn4linux */
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struct msn_entry * msn_list; /* ISDN address list */
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isdn_if * dev_if;
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ushort ll_hdrlen;
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ushort hl_hdrlen;
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/* link layer */
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unsigned char l2_state;
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struct frame_buf *read_queue;
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struct frame_buf *read_frame;
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struct frame_buf *write_queue;
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/* Protocol start */
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wait_queue_head_t set_running_wq;
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struct timer_list set_running_timer;
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struct timer_list error_recover_timer;
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struct work_struct qdelivery;
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u_char w_busy;
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u_char r_busy;
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volatile unsigned char __iomem *readptr;
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volatile unsigned char __iomem *writeptr;
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ushort loadptr;
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unsigned short fsize[8]; /* sent layer2 frames size */
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unsigned char send_seq;
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unsigned char rcv_seq;
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unsigned char unack_seq;
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unsigned short free;
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/* channels */
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struct pcbit_chan *b1;
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struct pcbit_chan *b2;
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};
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#define STATS_TIMER (10*HZ)
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#define ERRTIME (HZ/10)
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/* MRU */
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#define MAXBUFSIZE 1534
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#define MRU MAXBUFSIZE
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#define STATBUF_LEN 2048
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/*
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*
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*/
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#endif /* __KERNEL__ */
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/* isdn_ctrl only allows a long sized argument */
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struct pcbit_ioctl {
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union {
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struct byte_op {
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ushort addr;
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ushort value;
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} rdp_byte;
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unsigned long l2_status;
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} info;
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};
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#define PCBIT_IOCTL_GETSTAT 0x01 /* layer2 status */
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#define PCBIT_IOCTL_LWMODE 0x02 /* linear write mode */
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#define PCBIT_IOCTL_STRLOAD 0x03 /* start load mode */
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#define PCBIT_IOCTL_ENDLOAD 0x04 /* end load mode */
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#define PCBIT_IOCTL_SETBYTE 0x05 /* set byte */
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#define PCBIT_IOCTL_GETBYTE 0x06 /* get byte */
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#define PCBIT_IOCTL_RUNNING 0x07 /* set protocol running */
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#define PCBIT_IOCTL_WATCH188 0x08 /* set watch 188 */
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#define PCBIT_IOCTL_PING188 0x09 /* ping 188 */
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#define PCBIT_IOCTL_FWMODE 0x0A /* firmware write mode */
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#define PCBIT_IOCTL_STOP 0x0B /* stop protocol */
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#define PCBIT_IOCTL_APION 0x0C /* issue API_ON */
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#ifndef __KERNEL__
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#define PCBIT_GETSTAT (PCBIT_IOCTL_GETSTAT + IIOCDRVCTL)
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#define PCBIT_LWMODE (PCBIT_IOCTL_LWMODE + IIOCDRVCTL)
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#define PCBIT_STRLOAD (PCBIT_IOCTL_STRLOAD + IIOCDRVCTL)
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#define PCBIT_ENDLOAD (PCBIT_IOCTL_ENDLOAD + IIOCDRVCTL)
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#define PCBIT_SETBYTE (PCBIT_IOCTL_SETBYTE + IIOCDRVCTL)
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#define PCBIT_GETBYTE (PCBIT_IOCTL_GETBYTE + IIOCDRVCTL)
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#define PCBIT_RUNNING (PCBIT_IOCTL_RUNNING + IIOCDRVCTL)
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#define PCBIT_WATCH188 (PCBIT_IOCTL_WATCH188 + IIOCDRVCTL)
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#define PCBIT_PING188 (PCBIT_IOCTL_PING188 + IIOCDRVCTL)
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#define PCBIT_FWMODE (PCBIT_IOCTL_FWMODE + IIOCDRVCTL)
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#define PCBIT_STOP (PCBIT_IOCTL_STOP + IIOCDRVCTL)
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#define PCBIT_APION (PCBIT_IOCTL_APION + IIOCDRVCTL)
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#define MAXSUPERLINE 3000
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#endif
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#define L2_DOWN 0
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#define L2_LOADING 1
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#define L2_LWMODE 2
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#define L2_FWMODE 3
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#define L2_STARTING 4
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#define L2_RUNNING 5
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#define L2_ERROR 6
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void pcbit_deliver(struct work_struct *work);
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int pcbit_init_dev(int board, int mem_base, int irq);
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void pcbit_terminate(int board);
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void pcbit_l3_receive(struct pcbit_dev * dev, ulong msg, struct sk_buff * skb,
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ushort hdr_len, ushort refnum);
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void pcbit_state_change(struct pcbit_dev * dev, struct pcbit_chan * chan,
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unsigned short i, unsigned short ev, unsigned short f);
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#endif
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