Karsten Keil | 1b2b03f | 2008-07-27 01:54:58 +0200 | [diff] [blame] | 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 */ |
Andreas Eversberg | 8dd2f36 | 2008-08-02 22:51:52 +0200 | [diff] [blame] | 60 | #define FLG_FILLEMPTY 16 /* fill fifo on first frame (empty) */ |
Karsten Keil | 1b2b03f | 2008-07-27 01:54:58 +0200 | [diff] [blame] | 61 | /* arcofi specific */ |
Andreas Eversberg | 8dd2f36 | 2008-08-02 22:51:52 +0200 | [diff] [blame] | 62 | #define FLG_ARCOFI_TIMER 17 |
| 63 | #define FLG_ARCOFI_ERROR 18 |
Karsten Keil | 1b2b03f | 2008-07-27 01:54:58 +0200 | [diff] [blame] | 64 | /* isar specific */ |
Andreas Eversberg | 8dd2f36 | 2008-08-02 22:51:52 +0200 | [diff] [blame] | 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 |
Karsten Keil | 6d1ee48 | 2012-05-15 23:51:07 +0000 | [diff] [blame] | 75 | #define FLG_TX_EMPTY 27 |
Karsten Keil | c27b46e | 2012-05-15 23:51:08 +0000 | [diff] [blame] | 76 | /* stop sending received data upstream */ |
| 77 | #define FLG_RX_OFF 28 |
Karsten Keil | 1b2b03f | 2008-07-27 01:54:58 +0200 | [diff] [blame] | 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; |
Karsten Keil | 1b2b03f | 2008-07-27 01:54:58 +0200 | [diff] [blame] | 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 |
Karsten Keil | c626c12 | 2012-05-04 04:15:33 +0000 | [diff] [blame] | 140 | #define HW_TIMER3_IND 0x9902 |
| 141 | #define HW_TIMER3_VALUE 0x9a00 |
| 142 | #define HW_TIMER3_VMASK 0x00FF |
Karsten Keil | 1b2b03f | 2008-07-27 01:54:58 +0200 | [diff] [blame] | 143 | |
| 144 | struct layer1; |
| 145 | extern int l1_event(struct layer1 *, u_int); |
| 146 | |
Karsten Keil | 6d1ee48 | 2012-05-15 23:51:07 +0000 | [diff] [blame] | 147 | #define MISDN_BCH_FILL_SIZE 4 |
Karsten Keil | 1b2b03f | 2008-07-27 01:54:58 +0200 | [diff] [blame] | 148 | |
| 149 | struct bchannel { |
| 150 | struct mISDNchannel ch; |
| 151 | int nr; |
| 152 | u_long Flags; |
| 153 | struct work_struct workq; |
| 154 | u_int state; |
Karsten Keil | 1b2b03f | 2008-07-27 01:54:58 +0200 | [diff] [blame] | 155 | void *hw; |
| 156 | int slot; /* multiport card channel slot */ |
| 157 | struct timer_list timer; |
| 158 | /* receive data */ |
Karsten Keil | 6d1ee48 | 2012-05-15 23:51:07 +0000 | [diff] [blame] | 159 | u8 fill[MISDN_BCH_FILL_SIZE]; |
Karsten Keil | 1b2b03f | 2008-07-27 01:54:58 +0200 | [diff] [blame] | 160 | struct sk_buff *rx_skb; |
Karsten Keil | 034005a | 2012-05-15 23:51:06 +0000 | [diff] [blame] | 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 */ |
Karsten Keil | 1b2b03f | 2008-07-27 01:54:58 +0200 | [diff] [blame] | 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; |
Karsten Keil | c27b46e | 2012-05-15 23:51:08 +0000 | [diff] [blame] | 178 | int dropcnt; |
Karsten Keil | 1b2b03f | 2008-07-27 01:54:58 +0200 | [diff] [blame] | 179 | }; |
| 180 | |
| 181 | extern int mISDN_initdchannel(struct dchannel *, int, void *); |
Karsten Keil | 034005a | 2012-05-15 23:51:06 +0000 | [diff] [blame] | 182 | extern int mISDN_initbchannel(struct bchannel *, unsigned short, |
| 183 | unsigned short); |
Karsten Keil | 1b2b03f | 2008-07-27 01:54:58 +0200 | [diff] [blame] | 184 | extern int mISDN_freedchannel(struct dchannel *); |
Karsten Keil | fb286f0 | 2009-07-09 10:02:29 +0200 | [diff] [blame] | 185 | extern void mISDN_clear_bchannel(struct bchannel *); |
Karsten Keil | 4b921ed | 2012-09-13 04:36:20 +0000 | [diff] [blame^] | 186 | extern void mISDN_freebchannel(struct bchannel *); |
Karsten Keil | 034005a | 2012-05-15 23:51:06 +0000 | [diff] [blame] | 187 | extern int mISDN_ctrl_bchannel(struct bchannel *, struct mISDN_ctrl_req *); |
Karsten Keil | 1b2b03f | 2008-07-27 01:54:58 +0200 | [diff] [blame] | 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 *); |
Karsten Keil | 7206e65 | 2012-05-15 23:51:05 +0000 | [diff] [blame] | 192 | extern int bchannel_get_rxbuf(struct bchannel *, int); |
Karsten Keil | 1b2b03f | 2008-07-27 01:54:58 +0200 | [diff] [blame] | 193 | extern void recv_Dchannel(struct dchannel *); |
Martin Bachem | 1f28fa19 | 2008-09-03 15:17:45 +0200 | [diff] [blame] | 194 | extern void recv_Echannel(struct dchannel *, struct dchannel *); |
Karsten Keil | 034005a | 2012-05-15 23:51:06 +0000 | [diff] [blame] | 195 | extern void recv_Bchannel(struct bchannel *, unsigned int, bool); |
Karsten Keil | 1b2b03f | 2008-07-27 01:54:58 +0200 | [diff] [blame] | 196 | extern void recv_Dchannel_skb(struct dchannel *, struct sk_buff *); |
| 197 | extern void recv_Bchannel_skb(struct bchannel *, struct sk_buff *); |
Karsten Keil | 1b2b03f | 2008-07-27 01:54:58 +0200 | [diff] [blame] | 198 | extern int get_next_bframe(struct bchannel *); |
| 199 | extern int get_next_dframe(struct dchannel *); |
| 200 | |
| 201 | #endif |