1/* SPDX-License-Identifier: GPL-2.0-only */ 2/* 3 * 4 * Author Karsten Keil <kkeil@novell.com> 5 * 6 * Basic declarations for the mISDN HW channels 7 * 8 * Copyright 2008 by Karsten Keil <kkeil@novell.com> 9 */ 10 11#ifndef MISDNHW_H 12#define MISDNHW_H 13#include <linux/mISDNif.h> 14#include <linux/timer.h> 15 16/* 17 * HW DEBUG 0xHHHHGGGG 18 * H - hardware driver specific bits 19 * G - for all drivers 20 */ 21 22#define DEBUG_HW 0x00000001 23#define DEBUG_HW_OPEN 0x00000002 24#define DEBUG_HW_DCHANNEL 0x00000100 25#define DEBUG_HW_DFIFO 0x00000200 26#define DEBUG_HW_BCHANNEL 0x00001000 27#define DEBUG_HW_BFIFO 0x00002000 28 29#define MAX_DFRAME_LEN_L1 300 30#define MAX_MON_FRAME 32 31#define MAX_LOG_SPACE 2048 32#define MISDN_COPY_SIZE 32 33 34/* channel->Flags bit field */ 35#define FLG_TX_BUSY 0 /* tx_buf in use */ 36#define FLG_TX_NEXT 1 /* next_skb in use */ 37#define FLG_L1_BUSY 2 /* L1 is permanent busy */ 38#define FLG_L2_ACTIVATED 3 /* activated from L2 */ 39#define FLG_OPEN 5 /* channel is in use */ 40#define FLG_ACTIVE 6 /* channel is activated */ 41#define FLG_BUSY_TIMER 7 42/* channel type */ 43#define FLG_DCHANNEL 8 /* channel is D-channel */ 44#define FLG_BCHANNEL 9 /* channel is B-channel */ 45#define FLG_ECHANNEL 10 /* channel is E-channel */ 46#define FLG_TRANSPARENT 12 /* channel use transparent data */ 47#define FLG_HDLC 13 /* channel use hdlc data */ 48#define FLG_L2DATA 14 /* channel use L2 DATA primitivs */ 49#define FLG_ORIGIN 15 /* channel is on origin site */ 50/* channel specific stuff */ 51#define FLG_FILLEMPTY 16 /* fill fifo on first frame (empty) */ 52/* arcofi specific */ 53#define FLG_ARCOFI_TIMER 17 54#define FLG_ARCOFI_ERROR 18 55/* isar specific */ 56#define FLG_INITIALIZED 17 57#define FLG_DLEETX 18 58#define FLG_LASTDLE 19 59#define FLG_FIRST 20 60#define FLG_LASTDATA 21 61#define FLG_NMD_DATA 22 62#define FLG_FTI_RUN 23 63#define FLG_LL_OK 24 64#define FLG_LL_CONN 25 65#define FLG_DTMFSEND 26 66#define FLG_TX_EMPTY 27 67/* stop sending received data upstream */ 68#define FLG_RX_OFF 28 69/* workq events */ 70#define FLG_RECVQUEUE 30 71#define FLG_PHCHANGE 31 72 73#define schedule_event(s, ev) do { \ 74 test_and_set_bit(ev, &((s)->Flags)); \ 75 schedule_work(&((s)->workq)); \ 76 } while (0) 77 78struct dchannel { 79 struct mISDNdevice dev; 80 u_long Flags; 81 struct work_struct workq; 82 void (*phfunc) (struct dchannel *); 83 u_int state; 84 void *l1; 85 void *hw; 86 int slot; /* multiport card channel slot */ 87 struct timer_list timer; 88 /* receive data */ 89 struct sk_buff *rx_skb; 90 int maxlen; 91 /* send data */ 92 struct sk_buff_head squeue; 93 struct sk_buff_head rqueue; 94 struct sk_buff *tx_skb; 95 int tx_idx; 96 int debug; 97 /* statistics */ 98 int err_crc; 99 int err_tx; 100 int err_rx; 101}; 102 103typedef int (dchannel_l1callback)(struct dchannel *, u_int); 104extern int create_l1(struct dchannel *, dchannel_l1callback *); 105 106/* private L1 commands */ 107#define INFO0 0x8002 108#define INFO1 0x8102 109#define INFO2 0x8202 110#define INFO3_P8 0x8302 111#define INFO3_P10 0x8402 112#define INFO4_P8 0x8502 113#define INFO4_P10 0x8602 114#define LOSTFRAMING 0x8702 115#define ANYSIGNAL 0x8802 116#define HW_POWERDOWN 0x8902 117#define HW_RESET_REQ 0x8a02 118#define HW_POWERUP_REQ 0x8b02 119#define HW_DEACT_REQ 0x8c02 120#define HW_ACTIVATE_REQ 0x8e02 121#define HW_D_NOBLOCKED 0x8f02 122#define HW_RESET_IND 0x9002 123#define HW_POWERUP_IND 0x9102 124#define HW_DEACT_IND 0x9202 125#define HW_ACTIVATE_IND 0x9302 126#define HW_DEACT_CNF 0x9402 127#define HW_TESTLOOP 0x9502 128#define HW_TESTRX_RAW 0x9602 129#define HW_TESTRX_HDLC 0x9702 130#define HW_TESTRX_OFF 0x9802 131#define HW_TIMER3_IND 0x9902 132#define HW_TIMER3_VALUE 0x9a00 133#define HW_TIMER3_VMASK 0x00FF 134 135struct layer1; 136extern int l1_event(struct layer1 *, u_int); 137 138#define MISDN_BCH_FILL_SIZE 4 139 140struct bchannel { 141 struct mISDNchannel ch; 142 int nr; 143 u_long Flags; 144 struct work_struct workq; 145 u_int state; 146 void *hw; 147 int slot; /* multiport card channel slot */ 148 struct timer_list timer; 149 /* receive data */ 150 u8 fill[MISDN_BCH_FILL_SIZE]; 151 struct sk_buff *rx_skb; 152 unsigned short maxlen; 153 unsigned short init_maxlen; /* initial value */ 154 unsigned short next_maxlen; /* pending value */ 155 unsigned short minlen; /* for transparent data */ 156 unsigned short init_minlen; /* initial value */ 157 unsigned short next_minlen; /* pending value */ 158 /* send data */ 159 struct sk_buff *next_skb; 160 struct sk_buff *tx_skb; 161 struct sk_buff_head rqueue; 162 int rcount; 163 int tx_idx; 164 int debug; 165 /* statistics */ 166 int err_crc; 167 int err_tx; 168 int err_rx; 169 int dropcnt; 170}; 171 172extern int mISDN_initdchannel(struct dchannel *, int, void *); 173extern int mISDN_initbchannel(struct bchannel *, unsigned short, 174 unsigned short); 175extern int mISDN_freedchannel(struct dchannel *); 176extern void mISDN_clear_bchannel(struct bchannel *); 177extern void mISDN_freebchannel(struct bchannel *); 178extern int mISDN_ctrl_bchannel(struct bchannel *, struct mISDN_ctrl_req *); 179extern void queue_ch_frame(struct mISDNchannel *, u_int, 180 int, struct sk_buff *); 181extern int dchannel_senddata(struct dchannel *, struct sk_buff *); 182extern int bchannel_senddata(struct bchannel *, struct sk_buff *); 183extern int bchannel_get_rxbuf(struct bchannel *, int); 184extern void recv_Dchannel(struct dchannel *); 185extern void recv_Echannel(struct dchannel *, struct dchannel *); 186extern void recv_Bchannel(struct bchannel *, unsigned int, bool); 187extern void recv_Dchannel_skb(struct dchannel *, struct sk_buff *); 188extern void recv_Bchannel_skb(struct bchannel *, struct sk_buff *); 189extern int get_next_bframe(struct bchannel *); 190extern int get_next_dframe(struct dchannel *); 191 192#endif 193