3 * Author Karsten Keil <kkeil@novell.com>
5 * Basic declarations for the mISDN HW channels
7 * Copyright 2008 by Karsten Keil <kkeil@novell.com>
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.
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.
22 #include <linux/mISDNif.h>
23 #include <linux/timer.h>
27 * H - hardware driver specific bits
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
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
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
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) */
62 #define FLG_ARCOFI_TIMER 17
63 #define FLG_ARCOFI_ERROR 18
65 #define FLG_INITIALIZED 17
67 #define FLG_LASTDLE 19
69 #define FLG_LASTDATA 21
70 #define FLG_NMD_DATA 22
71 #define FLG_FTI_RUN 23
73 #define FLG_LL_CONN 25
74 #define FLG_DTMFSEND 26
75 #define FLG_TX_EMPTY 27
76 /* stop sending received data upstream */
79 #define FLG_RECVQUEUE 30
80 #define FLG_PHCHANGE 31
82 #define schedule_event(s, ev) do { \
83 test_and_set_bit(ev, &((s)->Flags)); \
84 schedule_work(&((s)->workq)); \
88 struct mISDNdevice dev;
90 struct work_struct workq;
91 void (*phfunc) (struct dchannel *);
95 int slot; /* multiport card channel slot */
96 struct timer_list timer;
98 struct sk_buff *rx_skb;
101 struct sk_buff_head squeue;
102 struct sk_buff_head rqueue;
103 struct sk_buff *tx_skb;
112 typedef int (dchannel_l1callback)(struct dchannel *, u_int);
113 extern int create_l1(struct dchannel *, dchannel_l1callback *);
115 /* private L1 commands */
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
145 extern int l1_event(struct layer1 *, u_int);
147 #define MISDN_BCH_FILL_SIZE 4
150 struct mISDNchannel ch;
153 struct work_struct workq;
156 int slot; /* multiport card channel slot */
157 struct timer_list timer;
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 */
168 struct sk_buff *next_skb;
169 struct sk_buff *tx_skb;
170 struct sk_buff_head rqueue;
181 extern int mISDN_initdchannel(struct dchannel *, int, void *);
182 extern int mISDN_initbchannel(struct bchannel *, unsigned short,
184 extern int mISDN_freedchannel(struct dchannel *);
185 extern void mISDN_clear_bchannel(struct bchannel *);
186 extern int 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 *);