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