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 | |
78 | struct 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 | |
103 | typedef int (dchannel_l1callback)(struct dchannel *, u_int); |
104 | extern 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 | |
135 | struct layer1; |
136 | extern int l1_event(struct layer1 *, u_int); |
137 | |
138 | #define MISDN_BCH_FILL_SIZE 4 |
139 | |
140 | struct 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 | |
172 | extern int mISDN_initdchannel(struct dchannel *, int, void *); |
173 | extern int mISDN_initbchannel(struct bchannel *, unsigned short, |
174 | unsigned short); |
175 | extern int mISDN_freedchannel(struct dchannel *); |
176 | extern void mISDN_clear_bchannel(struct bchannel *); |
177 | extern void mISDN_freebchannel(struct bchannel *); |
178 | extern int mISDN_ctrl_bchannel(struct bchannel *, struct mISDN_ctrl_req *); |
179 | extern void queue_ch_frame(struct mISDNchannel *, u_int, |
180 | int, struct sk_buff *); |
181 | extern int dchannel_senddata(struct dchannel *, struct sk_buff *); |
182 | extern int bchannel_senddata(struct bchannel *, struct sk_buff *); |
183 | extern int bchannel_get_rxbuf(struct bchannel *, int); |
184 | extern void recv_Dchannel(struct dchannel *); |
185 | extern void recv_Echannel(struct dchannel *, struct dchannel *); |
186 | extern void recv_Bchannel(struct bchannel *, unsigned int, bool); |
187 | extern void recv_Dchannel_skb(struct dchannel *, struct sk_buff *); |
188 | extern void recv_Bchannel_skb(struct bchannel *, struct sk_buff *); |
189 | extern int get_next_bframe(struct bchannel *); |
190 | extern int get_next_dframe(struct dchannel *); |
191 | |
192 | #endif |
193 | |