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 #define FLG_TX_EMPTY 27 76 /* stop sending received data upstream */ 77 #define FLG_RX_OFF 28 78 /* workq events */ 79 #define FLG_RECVQUEUE 30 80 #define FLG_PHCHANGE 31 81 82 #define schedule_event(s, ev) do { \ 83 test_and_set_bit(ev, &((s)->Flags)); \ 84 schedule_work(&((s)->workq)); \ 85 } while (0) 86 87 struct dchannel { 88 struct mISDNdevice dev; 89 u_long Flags; 90 struct work_struct workq; 91 void (*phfunc) (struct dchannel *); 92 u_int state; 93 void *l1; 94 void *hw; 95 int slot; /* multiport card channel slot */ 96 struct timer_list timer; 97 /* receive data */ 98 struct sk_buff *rx_skb; 99 int maxlen; 100 /* send data */ 101 struct sk_buff_head squeue; 102 struct sk_buff_head rqueue; 103 struct sk_buff *tx_skb; 104 int tx_idx; 105 int debug; 106 /* statistics */ 107 int err_crc; 108 int err_tx; 109 int err_rx; 110 }; 111 112 typedef int (dchannel_l1callback)(struct dchannel *, u_int); 113 extern int create_l1(struct dchannel *, dchannel_l1callback *); 114 115 /* private L1 commands */ 116 #define INFO0 0x8002 117 #define INFO1 0x8102 118 #define INFO2 0x8202 119 #define INFO3_P8 0x8302 120 #define INFO3_P10 0x8402 121 #define INFO4_P8 0x8502 122 #define INFO4_P10 0x8602 123 #define LOSTFRAMING 0x8702 124 #define ANYSIGNAL 0x8802 125 #define HW_POWERDOWN 0x8902 126 #define HW_RESET_REQ 0x8a02 127 #define HW_POWERUP_REQ 0x8b02 128 #define HW_DEACT_REQ 0x8c02 129 #define HW_ACTIVATE_REQ 0x8e02 130 #define HW_D_NOBLOCKED 0x8f02 131 #define HW_RESET_IND 0x9002 132 #define HW_POWERUP_IND 0x9102 133 #define HW_DEACT_IND 0x9202 134 #define HW_ACTIVATE_IND 0x9302 135 #define HW_DEACT_CNF 0x9402 136 #define HW_TESTLOOP 0x9502 137 #define HW_TESTRX_RAW 0x9602 138 #define HW_TESTRX_HDLC 0x9702 139 #define HW_TESTRX_OFF 0x9802 140 #define HW_TIMER3_IND 0x9902 141 #define HW_TIMER3_VALUE 0x9a00 142 #define HW_TIMER3_VMASK 0x00FF 143 144 struct layer1; 145 extern int l1_event(struct layer1 *, u_int); 146 147 #define MISDN_BCH_FILL_SIZE 4 148 149 struct bchannel { 150 struct mISDNchannel ch; 151 int nr; 152 u_long Flags; 153 struct work_struct workq; 154 u_int state; 155 void *hw; 156 int slot; /* multiport card channel slot */ 157 struct timer_list timer; 158 /* receive data */ 159 u8 fill[MISDN_BCH_FILL_SIZE]; 160 struct sk_buff *rx_skb; 161 unsigned short maxlen; 162 unsigned short init_maxlen; /* initial value */ 163 unsigned short next_maxlen; /* pending value */ 164 unsigned short minlen; /* for transparent data */ 165 unsigned short init_minlen; /* initial value */ 166 unsigned short next_minlen; /* pending value */ 167 /* send data */ 168 struct sk_buff *next_skb; 169 struct sk_buff *tx_skb; 170 struct sk_buff_head rqueue; 171 int rcount; 172 int tx_idx; 173 int debug; 174 /* statistics */ 175 int err_crc; 176 int err_tx; 177 int err_rx; 178 int dropcnt; 179 }; 180 181 extern int mISDN_initdchannel(struct dchannel *, int, void *); 182 extern int mISDN_initbchannel(struct bchannel *, unsigned short, 183 unsigned short); 184 extern int mISDN_freedchannel(struct dchannel *); 185 extern void mISDN_clear_bchannel(struct bchannel *); 186 extern void mISDN_freebchannel(struct bchannel *); 187 extern int mISDN_ctrl_bchannel(struct bchannel *, struct mISDN_ctrl_req *); 188 extern void queue_ch_frame(struct mISDNchannel *, u_int, 189 int, struct sk_buff *); 190 extern int dchannel_senddata(struct dchannel *, struct sk_buff *); 191 extern int bchannel_senddata(struct bchannel *, struct sk_buff *); 192 extern int bchannel_get_rxbuf(struct bchannel *, int); 193 extern void recv_Dchannel(struct dchannel *); 194 extern void recv_Echannel(struct dchannel *, struct dchannel *); 195 extern void recv_Bchannel(struct bchannel *, unsigned int, bool); 196 extern void recv_Dchannel_skb(struct dchannel *, struct sk_buff *); 197 extern void recv_Bchannel_skb(struct bchannel *, struct sk_buff *); 198 extern int get_next_bframe(struct bchannel *); 199 extern int get_next_dframe(struct dchannel *); 200 201 #endif 202