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/*
*
* Author Karsten Keil <kkeil@novell.com>
*
* Basic declarations for the mISDN HW channels
*
* Copyright 2008 by Karsten Keil <kkeil@novell.com>
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License version 2 as
* published by the Free Software Foundation.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
*/
#ifndef MISDNHW_H
#define MISDNHW_H
#include <linux/mISDNif.h>
#include <linux/timer.h>
/*
* HW DEBUG 0xHHHHGGGG
* H - hardware driver specific bits
* G - for all drivers
*/
#define DEBUG_HW 0x00000001
#define DEBUG_HW_OPEN 0x00000002
#define DEBUG_HW_DCHANNEL 0x00000100
#define DEBUG_HW_DFIFO 0x00000200
#define DEBUG_HW_BCHANNEL 0x00001000
#define DEBUG_HW_BFIFO 0x00002000
#define MAX_DFRAME_LEN_L1 300
#define MAX_MON_FRAME 32
#define MAX_LOG_SPACE 2048
#define MISDN_COPY_SIZE 32
/* channel->Flags bit field */
#define FLG_TX_BUSY 0 /* tx_buf in use */
#define FLG_TX_NEXT 1 /* next_skb in use */
#define FLG_L1_BUSY 2 /* L1 is permanent busy */
#define FLG_L2_ACTIVATED 3 /* activated from L2 */
#define FLG_OPEN 5 /* channel is in use */
#define FLG_ACTIVE 6 /* channel is activated */
#define FLG_BUSY_TIMER 7
/* channel type */
#define FLG_DCHANNEL 8 /* channel is D-channel */
#define FLG_BCHANNEL 9 /* channel is B-channel */
#define FLG_ECHANNEL 10 /* channel is E-channel */
#define FLG_TRANSPARENT 12 /* channel use transparent data */
#define FLG_HDLC 13 /* channel use hdlc data */
#define FLG_L2DATA 14 /* channel use L2 DATA primitivs */
#define FLG_ORIGIN 15 /* channel is on origin site */
/* channel specific stuff */
#define FLG_FILLEMPTY 16 /* fill fifo on first frame (empty) */
/* arcofi specific */
#define FLG_ARCOFI_TIMER 17
#define FLG_ARCOFI_ERROR 18
/* isar specific */
#define FLG_INITIALIZED 17
#define FLG_DLEETX 18
#define FLG_LASTDLE 19
#define FLG_FIRST 20
#define FLG_LASTDATA 21
#define FLG_NMD_DATA 22
#define FLG_FTI_RUN 23
#define FLG_LL_OK 24
#define FLG_LL_CONN 25
#define FLG_DTMFSEND 26
/* workq events */
#define FLG_RECVQUEUE 30
#define FLG_PHCHANGE 31
#define schedule_event(s, ev) do { \
test_and_set_bit(ev, &((s)->Flags)); \
schedule_work(&((s)->workq)); \
} while (0)
struct dchannel {
struct mISDNdevice dev;
u_long Flags;
struct work_struct workq;
void (*phfunc) (struct dchannel *);
u_int state;
void *l1;
void *hw;
int slot; /* multiport card channel slot */
struct timer_list timer;
/* receive data */
struct sk_buff *rx_skb;
int maxlen;
/* send data */
struct sk_buff_head squeue;
struct sk_buff_head rqueue;
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