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