mirror of https://gitee.com/openkylin/linux.git
1981 lines
55 KiB
C
1981 lines
55 KiB
C
/*
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* Stuff used by all variants of the driver
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*
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* Copyright (c) 2001 by Stefan Eilers,
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* Hansjoerg Lipp <hjlipp@web.de>,
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* Tilman Schmidt <tilman@imap.cc>.
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*
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* =====================================================================
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* This program is free software; you can redistribute it and/or
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* modify it under the terms of the GNU General Public License as
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* published by the Free Software Foundation; either version 2 of
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* the License, or (at your option) any later version.
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* =====================================================================
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*/
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#include "gigaset.h"
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/* ========================================================== */
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/* bit masks for pending commands */
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#define PC_DIAL 0x001
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#define PC_HUP 0x002
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#define PC_INIT 0x004
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#define PC_DLE0 0x008
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#define PC_DLE1 0x010
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#define PC_SHUTDOWN 0x020
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#define PC_ACCEPT 0x040
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#define PC_CID 0x080
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#define PC_NOCID 0x100
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#define PC_CIDMODE 0x200
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#define PC_UMMODE 0x400
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/* types of modem responses */
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#define RT_NOTHING 0
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#define RT_ZSAU 1
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#define RT_RING 2
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#define RT_NUMBER 3
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#define RT_STRING 4
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#define RT_HEX 5
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#define RT_ZCAU 6
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/* Possible ASCII responses */
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#define RSP_OK 0
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//#define RSP_BUSY 1
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//#define RSP_CONNECT 2
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#define RSP_ZGCI 3
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#define RSP_RING 4
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#define RSP_ZAOC 5
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#define RSP_ZCSTR 6
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#define RSP_ZCFGT 7
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#define RSP_ZCFG 8
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#define RSP_ZCCR 9
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#define RSP_EMPTY 10
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#define RSP_ZLOG 11
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#define RSP_ZCAU 12
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#define RSP_ZMWI 13
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#define RSP_ZABINFO 14
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#define RSP_ZSMLSTCHG 15
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#define RSP_VAR 100
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#define RSP_ZSAU (RSP_VAR + VAR_ZSAU)
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#define RSP_ZDLE (RSP_VAR + VAR_ZDLE)
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#define RSP_ZVLS (RSP_VAR + VAR_ZVLS)
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#define RSP_ZCTP (RSP_VAR + VAR_ZCTP)
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#define RSP_STR (RSP_VAR + VAR_NUM)
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#define RSP_NMBR (RSP_STR + STR_NMBR)
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#define RSP_ZCPN (RSP_STR + STR_ZCPN)
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#define RSP_ZCON (RSP_STR + STR_ZCON)
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#define RSP_ZBC (RSP_STR + STR_ZBC)
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#define RSP_ZHLC (RSP_STR + STR_ZHLC)
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#define RSP_ERROR -1 /* ERROR */
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#define RSP_WRONG_CID -2 /* unknown cid in cmd */
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//#define RSP_EMPTY -3
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#define RSP_UNKNOWN -4 /* unknown response */
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#define RSP_FAIL -5 /* internal error */
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#define RSP_INVAL -6 /* invalid response */
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#define RSP_NONE -19
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#define RSP_STRING -20
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#define RSP_NULL -21
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//#define RSP_RETRYFAIL -22
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//#define RSP_RETRY -23
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//#define RSP_SKIP -24
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#define RSP_INIT -27
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#define RSP_ANY -26
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#define RSP_LAST -28
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#define RSP_NODEV -9
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/* actions for process_response */
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#define ACT_NOTHING 0
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#define ACT_SETDLE1 1
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#define ACT_SETDLE0 2
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#define ACT_FAILINIT 3
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#define ACT_HUPMODEM 4
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#define ACT_CONFIGMODE 5
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#define ACT_INIT 6
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#define ACT_DLE0 7
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#define ACT_DLE1 8
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#define ACT_FAILDLE0 9
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#define ACT_FAILDLE1 10
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#define ACT_RING 11
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#define ACT_CID 12
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#define ACT_FAILCID 13
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#define ACT_SDOWN 14
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#define ACT_FAILSDOWN 15
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#define ACT_DEBUG 16
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#define ACT_WARN 17
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#define ACT_DIALING 18
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#define ACT_ABORTDIAL 19
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#define ACT_DISCONNECT 20
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#define ACT_CONNECT 21
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#define ACT_REMOTEREJECT 22
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#define ACT_CONNTIMEOUT 23
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#define ACT_REMOTEHUP 24
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#define ACT_ABORTHUP 25
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#define ACT_ICALL 26
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#define ACT_ACCEPTED 27
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#define ACT_ABORTACCEPT 28
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#define ACT_TIMEOUT 29
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#define ACT_GETSTRING 30
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#define ACT_SETVER 31
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#define ACT_FAILVER 32
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#define ACT_GOTVER 33
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#define ACT_TEST 34
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#define ACT_ERROR 35
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#define ACT_ABORTCID 36
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#define ACT_ZCAU 37
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#define ACT_NOTIFY_BC_DOWN 38
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#define ACT_NOTIFY_BC_UP 39
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#define ACT_DIAL 40
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#define ACT_ACCEPT 41
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#define ACT_PROTO_L2 42
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#define ACT_HUP 43
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#define ACT_IF_LOCK 44
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#define ACT_START 45
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#define ACT_STOP 46
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#define ACT_FAKEDLE0 47
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#define ACT_FAKEHUP 48
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#define ACT_FAKESDOWN 49
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#define ACT_SHUTDOWN 50
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#define ACT_PROC_CIDMODE 51
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#define ACT_UMODESET 52
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#define ACT_FAILUMODE 53
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#define ACT_CMODESET 54
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#define ACT_FAILCMODE 55
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#define ACT_IF_VER 56
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#define ACT_CMD 100
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/* at command sequences */
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#define SEQ_NONE 0
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#define SEQ_INIT 100
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#define SEQ_DLE0 200
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#define SEQ_DLE1 250
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#define SEQ_CID 300
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#define SEQ_NOCID 350
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#define SEQ_HUP 400
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#define SEQ_DIAL 600
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#define SEQ_ACCEPT 720
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#define SEQ_SHUTDOWN 500
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#define SEQ_CIDMODE 10
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#define SEQ_UMMODE 11
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// 100: init, 200: dle0, 250:dle1, 300: get cid (dial), 350: "hup" (no cid), 400: hup, 500: reset, 600: dial, 700: ring
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struct reply_t gigaset_tab_nocid_m10x[]= /* with dle mode */
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{
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/* resp_code, min_ConState, max_ConState, parameter, new_ConState, timeout, action, command */
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/* initialize device, set cid mode if possible */
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//{RSP_INIT, -1, -1,100, 900, 0, {ACT_TEST}},
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//{RSP_ERROR, 900,900, -1, 0, 0, {ACT_FAILINIT}},
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//{RSP_OK, 900,900, -1, 100, INIT_TIMEOUT,
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// {ACT_TIMEOUT}},
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{RSP_INIT, -1, -1,SEQ_INIT, 100, INIT_TIMEOUT,
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{ACT_TIMEOUT}}, /* wait until device is ready */
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{EV_TIMEOUT, 100,100, -1, 101, 3, {0}, "Z\r"}, /* device in transparent mode? try to initialize it. */
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{RSP_OK, 101,103, -1, 120, 5, {ACT_GETSTRING}, "+GMR\r"}, /* get version */
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{EV_TIMEOUT, 101,101, -1, 102, 5, {0}, "Z\r"}, /* timeout => try once again. */
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{RSP_ERROR, 101,101, -1, 102, 5, {0}, "Z\r"}, /* error => try once again. */
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{EV_TIMEOUT, 102,102, -1, 108, 5, {ACT_SETDLE1}, "^SDLE=0\r"}, /* timeout => try again in DLE mode. */
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{RSP_OK, 108,108, -1, 104,-1},
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{RSP_ZDLE, 104,104, 0, 103, 5, {0}, "Z\r"},
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{EV_TIMEOUT, 104,104, -1, 0, 0, {ACT_FAILINIT}},
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{RSP_ERROR, 108,108, -1, 0, 0, {ACT_FAILINIT}},
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{EV_TIMEOUT, 108,108, -1, 105, 2, {ACT_SETDLE0,
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ACT_HUPMODEM,
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ACT_TIMEOUT}}, /* still timeout => connection in unimodem mode? */
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{EV_TIMEOUT, 105,105, -1, 103, 5, {0}, "Z\r"},
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{RSP_ERROR, 102,102, -1, 107, 5, {0}, "^GETPRE\r"}, /* ERROR on ATZ => maybe in config mode? */
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{RSP_OK, 107,107, -1, 0, 0, {ACT_CONFIGMODE}},
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{RSP_ERROR, 107,107, -1, 0, 0, {ACT_FAILINIT}},
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{EV_TIMEOUT, 107,107, -1, 0, 0, {ACT_FAILINIT}},
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{RSP_ERROR, 103,103, -1, 0, 0, {ACT_FAILINIT}},
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{EV_TIMEOUT, 103,103, -1, 0, 0, {ACT_FAILINIT}},
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{RSP_STRING, 120,120, -1, 121,-1, {ACT_SETVER}},
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{EV_TIMEOUT, 120,121, -1, 0, 0, {ACT_FAILVER, ACT_INIT}},
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{RSP_ERROR, 120,121, -1, 0, 0, {ACT_FAILVER, ACT_INIT}},
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{RSP_OK, 121,121, -1, 0, 0, {ACT_GOTVER, ACT_INIT}},
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#if 0
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{EV_TIMEOUT, 120,121, -1, 130, 5, {ACT_FAILVER}, "^SGCI=1\r"},
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{RSP_ERROR, 120,121, -1, 130, 5, {ACT_FAILVER}, "^SGCI=1\r"},
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{RSP_OK, 121,121, -1, 130, 5, {ACT_GOTVER}, "^SGCI=1\r"},
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{RSP_OK, 130,130, -1, 0, 0, {ACT_INIT}},
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{RSP_ERROR, 130,130, -1, 0, 0, {ACT_FAILINIT}},
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{EV_TIMEOUT, 130,130, -1, 0, 0, {ACT_FAILINIT}},
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#endif
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/* leave dle mode */
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{RSP_INIT, 0, 0,SEQ_DLE0, 201, 5, {0}, "^SDLE=0\r"},
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{RSP_OK, 201,201, -1, 202,-1},
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//{RSP_ZDLE, 202,202, 0, 202, 0, {ACT_ERROR}},//DELETE
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{RSP_ZDLE, 202,202, 0, 0, 0, {ACT_DLE0}},
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{RSP_NODEV, 200,249, -1, 0, 0, {ACT_FAKEDLE0}},
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{RSP_ERROR, 200,249, -1, 0, 0, {ACT_FAILDLE0}},
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{EV_TIMEOUT, 200,249, -1, 0, 0, {ACT_FAILDLE0}},
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/* enter dle mode */
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{RSP_INIT, 0, 0,SEQ_DLE1, 251, 5, {0}, "^SDLE=1\r"},
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{RSP_OK, 251,251, -1, 252,-1},
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{RSP_ZDLE, 252,252, 1, 0, 0, {ACT_DLE1}},
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{RSP_ERROR, 250,299, -1, 0, 0, {ACT_FAILDLE1}},
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{EV_TIMEOUT, 250,299, -1, 0, 0, {ACT_FAILDLE1}},
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/* incoming call */
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{RSP_RING, -1, -1, -1, -1,-1, {ACT_RING}},
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/* get cid */
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//{RSP_INIT, 0, 0,300, 901, 0, {ACT_TEST}},
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//{RSP_ERROR, 901,901, -1, 0, 0, {ACT_FAILCID}},
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//{RSP_OK, 901,901, -1, 301, 5, {0}, "^SGCI?\r"},
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{RSP_INIT, 0, 0,SEQ_CID, 301, 5, {0}, "^SGCI?\r"},
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{RSP_OK, 301,301, -1, 302,-1},
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{RSP_ZGCI, 302,302, -1, 0, 0, {ACT_CID}},
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{RSP_ERROR, 301,349, -1, 0, 0, {ACT_FAILCID}},
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{EV_TIMEOUT, 301,349, -1, 0, 0, {ACT_FAILCID}},
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/* enter cid mode */
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{RSP_INIT, 0, 0,SEQ_CIDMODE, 150, 5, {0}, "^SGCI=1\r"},
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{RSP_OK, 150,150, -1, 0, 0, {ACT_CMODESET}},
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{RSP_ERROR, 150,150, -1, 0, 0, {ACT_FAILCMODE}},
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{EV_TIMEOUT, 150,150, -1, 0, 0, {ACT_FAILCMODE}},
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/* leave cid mode */
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//{RSP_INIT, 0, 0,SEQ_UMMODE, 160, 5, {0}, "^SGCI=0\r"},
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{RSP_INIT, 0, 0,SEQ_UMMODE, 160, 5, {0}, "Z\r"},
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{RSP_OK, 160,160, -1, 0, 0, {ACT_UMODESET}},
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{RSP_ERROR, 160,160, -1, 0, 0, {ACT_FAILUMODE}},
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{EV_TIMEOUT, 160,160, -1, 0, 0, {ACT_FAILUMODE}},
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/* abort getting cid */
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{RSP_INIT, 0, 0,SEQ_NOCID, 0, 0, {ACT_ABORTCID}},
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/* reset */
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#if 0
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{RSP_INIT, 0, 0,SEQ_SHUTDOWN, 503, 5, {0}, "^SGCI=0\r"},
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{RSP_OK, 503,503, -1, 504, 5, {0}, "Z\r"},
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#endif
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{RSP_INIT, 0, 0,SEQ_SHUTDOWN, 504, 5, {0}, "Z\r"},
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{RSP_OK, 504,504, -1, 0, 0, {ACT_SDOWN}},
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{RSP_ERROR, 501,599, -1, 0, 0, {ACT_FAILSDOWN}},
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{EV_TIMEOUT, 501,599, -1, 0, 0, {ACT_FAILSDOWN}},
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{RSP_NODEV, 501,599, -1, 0, 0, {ACT_FAKESDOWN}},
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{EV_PROC_CIDMODE,-1, -1, -1, -1,-1, {ACT_PROC_CIDMODE}}, //FIXME
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{EV_IF_LOCK, -1, -1, -1, -1,-1, {ACT_IF_LOCK}}, //FIXME
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{EV_IF_VER, -1, -1, -1, -1,-1, {ACT_IF_VER}}, //FIXME
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{EV_START, -1, -1, -1, -1,-1, {ACT_START}}, //FIXME
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{EV_STOP, -1, -1, -1, -1,-1, {ACT_STOP}}, //FIXME
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{EV_SHUTDOWN, -1, -1, -1, -1,-1, {ACT_SHUTDOWN}}, //FIXME
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/* misc. */
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{RSP_EMPTY, -1, -1, -1, -1,-1, {ACT_DEBUG}}, //FIXME
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{RSP_ZCFGT, -1, -1, -1, -1,-1, {ACT_DEBUG}}, //FIXME
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{RSP_ZCFG, -1, -1, -1, -1,-1, {ACT_DEBUG}}, //FIXME
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{RSP_ZLOG, -1, -1, -1, -1,-1, {ACT_DEBUG}}, //FIXME
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{RSP_ZMWI, -1, -1, -1, -1,-1, {ACT_DEBUG}}, //FIXME
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{RSP_ZABINFO, -1, -1, -1, -1,-1, {ACT_DEBUG}}, //FIXME
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{RSP_ZSMLSTCHG,-1, -1, -1, -1,-1, {ACT_DEBUG}}, //FIXME
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{RSP_ZCAU, -1, -1, -1, -1,-1, {ACT_ZCAU}},
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{RSP_NONE, -1, -1, -1, -1,-1, {ACT_DEBUG}},
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{RSP_ANY, -1, -1, -1, -1,-1, {ACT_WARN}},
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{RSP_LAST}
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};
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// 600: start dialing, 650: dial in progress, 800: connection is up, 700: ring, 400: hup, 750: accepted icall
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struct reply_t gigaset_tab_cid_m10x[] = /* for M10x */
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{
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/* resp_code, min_ConState, max_ConState, parameter, new_ConState, timeout, action, command */
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/* dial */
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{EV_DIAL, -1, -1, -1, -1,-1, {ACT_DIAL}}, //FIXME
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{RSP_INIT, 0, 0,SEQ_DIAL, 601, 5, {ACT_CMD+AT_BC}},
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{RSP_OK, 601,601, -1, 602, 5, {ACT_CMD+AT_HLC}},
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{RSP_NULL, 602,602, -1, 603, 5, {ACT_CMD+AT_PROTO}},
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{RSP_OK, 602,602, -1, 603, 5, {ACT_CMD+AT_PROTO}},
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{RSP_OK, 603,603, -1, 604, 5, {ACT_CMD+AT_TYPE}},
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{RSP_OK, 604,604, -1, 605, 5, {ACT_CMD+AT_MSN}},
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{RSP_OK, 605,605, -1, 606, 5, {ACT_CMD+AT_ISO}},
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{RSP_NULL, 605,605, -1, 606, 5, {ACT_CMD+AT_ISO}},
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{RSP_OK, 606,606, -1, 607, 5, {0}, "+VLS=17\r"}, /* set "Endgeraetemodus" */
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{RSP_OK, 607,607, -1, 608,-1},
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//{RSP_ZSAU, 608,608,ZSAU_PROCEEDING, 608, 0, {ACT_ERROR}},//DELETE
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{RSP_ZSAU, 608,608,ZSAU_PROCEEDING, 609, 5, {ACT_CMD+AT_DIAL}},
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{RSP_OK, 609,609, -1, 650, 0, {ACT_DIALING}},
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{RSP_ZVLS, 608,608, 17, -1,-1, {ACT_DEBUG}},
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{RSP_ZCTP, 609,609, -1, -1,-1, {ACT_DEBUG}},
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{RSP_ZCPN, 609,609, -1, -1,-1, {ACT_DEBUG}},
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{RSP_ERROR, 601,609, -1, 0, 0, {ACT_ABORTDIAL}},
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{EV_TIMEOUT, 601,609, -1, 0, 0, {ACT_ABORTDIAL}},
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/* dialing */
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{RSP_ZCTP, 650,650, -1, -1,-1, {ACT_DEBUG}},
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{RSP_ZCPN, 650,650, -1, -1,-1, {ACT_DEBUG}},
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{RSP_ZSAU, 650,650,ZSAU_CALL_DELIVERED, -1,-1, {ACT_DEBUG}}, /* some devices don't send this */
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/* connection established */
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{RSP_ZSAU, 650,650,ZSAU_ACTIVE, 800,-1, {ACT_CONNECT}}, //FIXME -> DLE1
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{RSP_ZSAU, 750,750,ZSAU_ACTIVE, 800,-1, {ACT_CONNECT}}, //FIXME -> DLE1
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{EV_BC_OPEN, 800,800, -1, 800,-1, {ACT_NOTIFY_BC_UP}}, //FIXME new constate + timeout
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/* remote hangup */
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{RSP_ZSAU, 650,650,ZSAU_DISCONNECT_IND, 0, 0, {ACT_REMOTEREJECT}},
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{RSP_ZSAU, 750,750,ZSAU_DISCONNECT_IND, 0, 0, {ACT_REMOTEHUP}},
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{RSP_ZSAU, 800,800,ZSAU_DISCONNECT_IND, 0, 0, {ACT_REMOTEHUP}},
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/* hangup */
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{EV_HUP, -1, -1, -1, -1,-1, {ACT_HUP}}, //FIXME
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{RSP_INIT, -1, -1,SEQ_HUP, 401, 5, {0}, "+VLS=0\r"}, /* hang up */ //-1,-1?
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{RSP_OK, 401,401, -1, 402, 5},
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{RSP_ZVLS, 402,402, 0, 403, 5},
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{RSP_ZSAU, 403,403,ZSAU_DISCONNECT_REQ, -1,-1, {ACT_DEBUG}}, /* if not remote hup */
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//{RSP_ZSAU, 403,403,ZSAU_NULL, 401, 0, {ACT_ERROR}}, //DELETE//FIXME -> DLE0 // should we do this _before_ hanging up for base driver?
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{RSP_ZSAU, 403,403,ZSAU_NULL, 0, 0, {ACT_DISCONNECT}}, //FIXME -> DLE0 // should we do this _before_ hanging up for base driver?
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{RSP_NODEV, 401,403, -1, 0, 0, {ACT_FAKEHUP}}, //FIXME -> DLE0 // should we do this _before_ hanging up for base driver?
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{RSP_ERROR, 401,401, -1, 0, 0, {ACT_ABORTHUP}},
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{EV_TIMEOUT, 401,403, -1, 0, 0, {ACT_ABORTHUP}},
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{EV_BC_CLOSED, 0, 0, -1, 0,-1, {ACT_NOTIFY_BC_DOWN}}, //FIXME new constate + timeout
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/* ring */
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{RSP_ZBC, 700,700, -1, -1,-1, {0}},
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{RSP_ZHLC, 700,700, -1, -1,-1, {0}},
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{RSP_NMBR, 700,700, -1, -1,-1, {0}},
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{RSP_ZCPN, 700,700, -1, -1,-1, {0}},
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{RSP_ZCTP, 700,700, -1, -1,-1, {0}},
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{EV_TIMEOUT, 700,700, -1, 720,720, {ACT_ICALL}},
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{EV_BC_CLOSED,720,720, -1, 0,-1, {ACT_NOTIFY_BC_DOWN}},
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/*accept icall*/
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{EV_ACCEPT, -1, -1, -1, -1,-1, {ACT_ACCEPT}}, //FIXME
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{RSP_INIT, 720,720,SEQ_ACCEPT, 721, 5, {ACT_CMD+AT_PROTO}},
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{RSP_OK, 721,721, -1, 722, 5, {ACT_CMD+AT_ISO}},
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{RSP_OK, 722,722, -1, 723, 5, {0}, "+VLS=17\r"}, /* set "Endgeraetemodus" */
|
|
{RSP_OK, 723,723, -1, 724, 5, {0}},
|
|
{RSP_ZVLS, 724,724, 17, 750,50, {ACT_ACCEPTED}},
|
|
{RSP_ERROR, 721,729, -1, 0, 0, {ACT_ABORTACCEPT}},
|
|
{EV_TIMEOUT, 721,729, -1, 0, 0, {ACT_ABORTACCEPT}},
|
|
{RSP_ZSAU, 700,729,ZSAU_NULL, 0, 0, {ACT_ABORTACCEPT}},
|
|
{RSP_ZSAU, 700,729,ZSAU_ACTIVE, 0, 0, {ACT_ABORTACCEPT}},
|
|
{RSP_ZSAU, 700,729,ZSAU_DISCONNECT_IND, 0, 0, {ACT_ABORTACCEPT}},
|
|
|
|
{EV_TIMEOUT, 750,750, -1, 0, 0, {ACT_CONNTIMEOUT}},
|
|
|
|
/* B channel closed (general case) */
|
|
{EV_BC_CLOSED, -1, -1, -1, -1,-1, {ACT_NOTIFY_BC_DOWN}}, //FIXME
|
|
|
|
/* misc. */
|
|
{EV_PROTO_L2, -1, -1, -1, -1,-1, {ACT_PROTO_L2}}, //FIXME
|
|
|
|
{RSP_ZCON, -1, -1, -1, -1,-1, {ACT_DEBUG}}, //FIXME
|
|
{RSP_ZCCR, -1, -1, -1, -1,-1, {ACT_DEBUG}}, //FIXME
|
|
{RSP_ZAOC, -1, -1, -1, -1,-1, {ACT_DEBUG}}, //FIXME
|
|
{RSP_ZCSTR, -1, -1, -1, -1,-1, {ACT_DEBUG}}, //FIXME
|
|
|
|
{RSP_ZCAU, -1, -1, -1, -1,-1, {ACT_ZCAU}},
|
|
{RSP_NONE, -1, -1, -1, -1,-1, {ACT_DEBUG}},
|
|
{RSP_ANY, -1, -1, -1, -1,-1, {ACT_WARN}},
|
|
{RSP_LAST}
|
|
};
|
|
|
|
|
|
#if 0
|
|
static struct reply_t tab_nocid[]= /* no dle mode */ //FIXME
|
|
{
|
|
/* resp_code, min_ConState, max_ConState, parameter, new_ConState, timeout, action, command */
|
|
|
|
{RSP_ANY, -1, -1, -1, -1,-1, ACT_WARN, NULL},
|
|
{RSP_LAST,0,0,0,0,0,0}
|
|
};
|
|
|
|
static struct reply_t tab_cid[] = /* no dle mode */ //FIXME
|
|
{
|
|
/* resp_code, min_ConState, max_ConState, parameter, new_ConState, timeout, action, command */
|
|
|
|
{RSP_ANY, -1, -1, -1, -1,-1, ACT_WARN, NULL},
|
|
{RSP_LAST,0,0,0,0,0,0}
|
|
};
|
|
#endif
|
|
|
|
static struct resp_type_t resp_type[]=
|
|
{
|
|
/*{"", RSP_EMPTY, RT_NOTHING},*/
|
|
{"OK", RSP_OK, RT_NOTHING},
|
|
{"ERROR", RSP_ERROR, RT_NOTHING},
|
|
{"ZSAU", RSP_ZSAU, RT_ZSAU},
|
|
{"ZCAU", RSP_ZCAU, RT_ZCAU},
|
|
{"RING", RSP_RING, RT_RING},
|
|
{"ZGCI", RSP_ZGCI, RT_NUMBER},
|
|
{"ZVLS", RSP_ZVLS, RT_NUMBER},
|
|
{"ZCTP", RSP_ZCTP, RT_NUMBER},
|
|
{"ZDLE", RSP_ZDLE, RT_NUMBER},
|
|
{"ZCFGT", RSP_ZCFGT, RT_NUMBER},
|
|
{"ZCCR", RSP_ZCCR, RT_NUMBER},
|
|
{"ZMWI", RSP_ZMWI, RT_NUMBER},
|
|
{"ZHLC", RSP_ZHLC, RT_STRING},
|
|
{"ZBC", RSP_ZBC, RT_STRING},
|
|
{"NMBR", RSP_NMBR, RT_STRING},
|
|
{"ZCPN", RSP_ZCPN, RT_STRING},
|
|
{"ZCON", RSP_ZCON, RT_STRING},
|
|
{"ZAOC", RSP_ZAOC, RT_STRING},
|
|
{"ZCSTR", RSP_ZCSTR, RT_STRING},
|
|
{"ZCFG", RSP_ZCFG, RT_HEX},
|
|
{"ZLOG", RSP_ZLOG, RT_NOTHING},
|
|
{"ZABINFO", RSP_ZABINFO, RT_NOTHING},
|
|
{"ZSMLSTCHG", RSP_ZSMLSTCHG, RT_NOTHING},
|
|
{NULL,0,0}
|
|
};
|
|
|
|
/*
|
|
* Get integer from char-pointer
|
|
*/
|
|
static int isdn_getnum(char *p)
|
|
{
|
|
int v = -1;
|
|
|
|
gig_dbg(DEBUG_TRANSCMD, "string: %s", p);
|
|
|
|
while (*p >= '0' && *p <= '9')
|
|
v = ((v < 0) ? 0 : (v * 10)) + (int) ((*p++) - '0');
|
|
if (*p)
|
|
v = -1; /* invalid Character */
|
|
return v;
|
|
}
|
|
|
|
/*
|
|
* Get integer from char-pointer
|
|
*/
|
|
static int isdn_gethex(char *p)
|
|
{
|
|
int v = 0;
|
|
int c;
|
|
|
|
gig_dbg(DEBUG_TRANSCMD, "string: %s", p);
|
|
|
|
if (!*p)
|
|
return -1;
|
|
|
|
do {
|
|
if (v > (INT_MAX - 15) / 16)
|
|
return -1;
|
|
c = *p;
|
|
if (c >= '0' && c <= '9')
|
|
c -= '0';
|
|
else if (c >= 'a' && c <= 'f')
|
|
c -= 'a' - 10;
|
|
else if (c >= 'A' && c <= 'F')
|
|
c -= 'A' - 10;
|
|
else
|
|
return -1;
|
|
v = v * 16 + c;
|
|
} while (*++p);
|
|
|
|
return v;
|
|
}
|
|
|
|
/* retrieve CID from parsed response
|
|
* returns 0 if no CID, -1 if invalid CID, or CID value 1..65535
|
|
*/
|
|
static int cid_of_response(char *s)
|
|
{
|
|
int cid;
|
|
|
|
if (s[-1] != ';')
|
|
return 0; /* no CID separator */
|
|
cid = isdn_getnum(s);
|
|
if (cid < 0)
|
|
return 0; /* CID not numeric */
|
|
if (cid < 1 || cid > 65535)
|
|
return -1; /* CID out of range */
|
|
return cid;
|
|
//FIXME is ;<digit>+ at end of non-CID response really impossible?
|
|
}
|
|
|
|
/* This function will be called via task queue from the callback handler.
|
|
* We received a modem response and have to handle it..
|
|
*/
|
|
void gigaset_handle_modem_response(struct cardstate *cs)
|
|
{
|
|
unsigned char *argv[MAX_REC_PARAMS + 1];
|
|
int params;
|
|
int i, j;
|
|
struct resp_type_t *rt;
|
|
int curarg;
|
|
unsigned long flags;
|
|
unsigned next, tail, head;
|
|
struct event_t *event;
|
|
int resp_code;
|
|
int param_type;
|
|
int abort;
|
|
size_t len;
|
|
int cid;
|
|
int rawstring;
|
|
|
|
len = cs->cbytes;
|
|
if (!len) {
|
|
/* ignore additional LFs/CRs (M10x config mode or cx100) */
|
|
gig_dbg(DEBUG_MCMD, "skipped EOL [%02X]", cs->respdata[len]);
|
|
return;
|
|
}
|
|
cs->respdata[len] = 0;
|
|
gig_dbg(DEBUG_TRANSCMD, "raw string: '%s'", cs->respdata);
|
|
argv[0] = cs->respdata;
|
|
params = 1;
|
|
if (cs->at_state.getstring) {
|
|
/* getstring only allowed without cid at the moment */
|
|
cs->at_state.getstring = 0;
|
|
rawstring = 1;
|
|
cid = 0;
|
|
} else {
|
|
/* parse line */
|
|
for (i = 0; i < len; i++)
|
|
switch (cs->respdata[i]) {
|
|
case ';':
|
|
case ',':
|
|
case '=':
|
|
if (params > MAX_REC_PARAMS) {
|
|
dev_warn(cs->dev,
|
|
"too many parameters in response\n");
|
|
/* need last parameter (might be CID) */
|
|
params--;
|
|
}
|
|
argv[params++] = cs->respdata + i + 1;
|
|
}
|
|
|
|
rawstring = 0;
|
|
cid = params > 1 ? cid_of_response(argv[params-1]) : 0;
|
|
if (cid < 0) {
|
|
gigaset_add_event(cs, &cs->at_state, RSP_INVAL,
|
|
NULL, 0, NULL);
|
|
return;
|
|
}
|
|
|
|
for (j = 1; j < params; ++j)
|
|
argv[j][-1] = 0;
|
|
|
|
gig_dbg(DEBUG_TRANSCMD, "CMD received: %s", argv[0]);
|
|
if (cid) {
|
|
--params;
|
|
gig_dbg(DEBUG_TRANSCMD, "CID: %s", argv[params]);
|
|
}
|
|
gig_dbg(DEBUG_TRANSCMD, "available params: %d", params - 1);
|
|
for (j = 1; j < params; j++)
|
|
gig_dbg(DEBUG_TRANSCMD, "param %d: %s", j, argv[j]);
|
|
}
|
|
|
|
spin_lock_irqsave(&cs->ev_lock, flags);
|
|
head = cs->ev_head;
|
|
tail = cs->ev_tail;
|
|
|
|
abort = 1;
|
|
curarg = 0;
|
|
while (curarg < params) {
|
|
next = (tail + 1) % MAX_EVENTS;
|
|
if (unlikely(next == head)) {
|
|
dev_err(cs->dev, "event queue full\n");
|
|
break;
|
|
}
|
|
|
|
event = cs->events + tail;
|
|
event->at_state = NULL;
|
|
event->cid = cid;
|
|
event->ptr = NULL;
|
|
event->arg = NULL;
|
|
tail = next;
|
|
|
|
if (rawstring) {
|
|
resp_code = RSP_STRING;
|
|
param_type = RT_STRING;
|
|
} else {
|
|
for (rt = resp_type; rt->response; ++rt)
|
|
if (!strcmp(argv[curarg], rt->response))
|
|
break;
|
|
|
|
if (!rt->response) {
|
|
event->type = RSP_UNKNOWN;
|
|
dev_warn(cs->dev,
|
|
"unknown modem response: %s\n",
|
|
argv[curarg]);
|
|
break;
|
|
}
|
|
|
|
resp_code = rt->resp_code;
|
|
param_type = rt->type;
|
|
++curarg;
|
|
}
|
|
|
|
event->type = resp_code;
|
|
|
|
switch (param_type) {
|
|
case RT_NOTHING:
|
|
break;
|
|
case RT_RING:
|
|
if (!cid) {
|
|
dev_err(cs->dev,
|
|
"received RING without CID!\n");
|
|
event->type = RSP_INVAL;
|
|
abort = 1;
|
|
} else {
|
|
event->cid = 0;
|
|
event->parameter = cid;
|
|
abort = 0;
|
|
}
|
|
break;
|
|
case RT_ZSAU:
|
|
if (curarg >= params) {
|
|
event->parameter = ZSAU_NONE;
|
|
break;
|
|
}
|
|
if (!strcmp(argv[curarg], "OUTGOING_CALL_PROCEEDING"))
|
|
event->parameter = ZSAU_OUTGOING_CALL_PROCEEDING;
|
|
else if (!strcmp(argv[curarg], "CALL_DELIVERED"))
|
|
event->parameter = ZSAU_CALL_DELIVERED;
|
|
else if (!strcmp(argv[curarg], "ACTIVE"))
|
|
event->parameter = ZSAU_ACTIVE;
|
|
else if (!strcmp(argv[curarg], "DISCONNECT_IND"))
|
|
event->parameter = ZSAU_DISCONNECT_IND;
|
|
else if (!strcmp(argv[curarg], "NULL"))
|
|
event->parameter = ZSAU_NULL;
|
|
else if (!strcmp(argv[curarg], "DISCONNECT_REQ"))
|
|
event->parameter = ZSAU_DISCONNECT_REQ;
|
|
else {
|
|
event->parameter = ZSAU_UNKNOWN;
|
|
dev_warn(cs->dev,
|
|
"%s: unknown parameter %s after ZSAU\n",
|
|
__func__, argv[curarg]);
|
|
}
|
|
++curarg;
|
|
break;
|
|
case RT_STRING:
|
|
if (curarg < params) {
|
|
event->ptr = kstrdup(argv[curarg], GFP_ATOMIC);
|
|
if (!event->ptr)
|
|
dev_err(cs->dev, "out of memory\n");
|
|
++curarg;
|
|
}
|
|
#ifdef CONFIG_GIGASET_DEBUG
|
|
if (!event->ptr)
|
|
gig_dbg(DEBUG_CMD, "string==NULL");
|
|
else
|
|
gig_dbg(DEBUG_CMD, "string==%s",
|
|
(char *) event->ptr);
|
|
#endif
|
|
break;
|
|
case RT_ZCAU:
|
|
event->parameter = -1;
|
|
if (curarg + 1 < params) {
|
|
i = isdn_gethex(argv[curarg]);
|
|
j = isdn_gethex(argv[curarg + 1]);
|
|
if (i >= 0 && i < 256 && j >= 0 && j < 256)
|
|
event->parameter = (unsigned) i << 8
|
|
| j;
|
|
curarg += 2;
|
|
} else
|
|
curarg = params - 1;
|
|
break;
|
|
case RT_NUMBER:
|
|
case RT_HEX:
|
|
if (curarg < params) {
|
|
if (param_type == RT_HEX)
|
|
event->parameter =
|
|
isdn_gethex(argv[curarg]);
|
|
else
|
|
event->parameter =
|
|
isdn_getnum(argv[curarg]);
|
|
++curarg;
|
|
} else
|
|
event->parameter = -1;
|
|
#ifdef CONFIG_GIGASET_DEBUG
|
|
gig_dbg(DEBUG_CMD, "parameter==%d", event->parameter);
|
|
#endif
|
|
break;
|
|
}
|
|
|
|
if (resp_code == RSP_ZDLE)
|
|
cs->dle = event->parameter;
|
|
|
|
if (abort)
|
|
break;
|
|
}
|
|
|
|
cs->ev_tail = tail;
|
|
spin_unlock_irqrestore(&cs->ev_lock, flags);
|
|
|
|
if (curarg != params)
|
|
gig_dbg(DEBUG_ANY,
|
|
"invalid number of processed parameters: %d/%d",
|
|
curarg, params);
|
|
}
|
|
EXPORT_SYMBOL_GPL(gigaset_handle_modem_response);
|
|
|
|
/* disconnect
|
|
* process closing of connection associated with given AT state structure
|
|
*/
|
|
static void disconnect(struct at_state_t **at_state_p)
|
|
{
|
|
unsigned long flags;
|
|
struct bc_state *bcs = (*at_state_p)->bcs;
|
|
struct cardstate *cs = (*at_state_p)->cs;
|
|
|
|
spin_lock_irqsave(&cs->lock, flags);
|
|
++(*at_state_p)->seq_index;
|
|
|
|
/* revert to selected idle mode */
|
|
if (!cs->cidmode) {
|
|
cs->at_state.pending_commands |= PC_UMMODE;
|
|
atomic_set(&cs->commands_pending, 1); //FIXME
|
|
gig_dbg(DEBUG_CMD, "Scheduling PC_UMMODE");
|
|
}
|
|
spin_unlock_irqrestore(&cs->lock, flags);
|
|
|
|
if (bcs) {
|
|
/* B channel assigned: invoke hardware specific handler */
|
|
cs->ops->close_bchannel(bcs);
|
|
} else {
|
|
/* no B channel assigned: just deallocate */
|
|
spin_lock_irqsave(&cs->lock, flags);
|
|
list_del(&(*at_state_p)->list);
|
|
kfree(*at_state_p);
|
|
*at_state_p = NULL;
|
|
spin_unlock_irqrestore(&cs->lock, flags);
|
|
}
|
|
}
|
|
|
|
/* get_free_channel
|
|
* get a free AT state structure: either one of those associated with the
|
|
* B channels of the Gigaset device, or if none of those is available,
|
|
* a newly allocated one with bcs=NULL
|
|
* The structure should be freed by calling disconnect() after use.
|
|
*/
|
|
static inline struct at_state_t *get_free_channel(struct cardstate *cs,
|
|
int cid)
|
|
/* cids: >0: siemens-cid
|
|
0: without cid
|
|
-1: no cid assigned yet
|
|
*/
|
|
{
|
|
unsigned long flags;
|
|
int i;
|
|
struct at_state_t *ret;
|
|
|
|
for (i = 0; i < cs->channels; ++i)
|
|
if (gigaset_get_channel(cs->bcs + i)) {
|
|
ret = &cs->bcs[i].at_state;
|
|
ret->cid = cid;
|
|
return ret;
|
|
}
|
|
|
|
spin_lock_irqsave(&cs->lock, flags);
|
|
ret = kmalloc(sizeof(struct at_state_t), GFP_ATOMIC);
|
|
if (ret) {
|
|
gigaset_at_init(ret, NULL, cs, cid);
|
|
list_add(&ret->list, &cs->temp_at_states);
|
|
}
|
|
spin_unlock_irqrestore(&cs->lock, flags);
|
|
return ret;
|
|
}
|
|
|
|
static void init_failed(struct cardstate *cs, int mode)
|
|
{
|
|
int i;
|
|
struct at_state_t *at_state;
|
|
|
|
cs->at_state.pending_commands &= ~PC_INIT;
|
|
atomic_set(&cs->mode, mode);
|
|
atomic_set(&cs->mstate, MS_UNINITIALIZED);
|
|
gigaset_free_channels(cs);
|
|
for (i = 0; i < cs->channels; ++i) {
|
|
at_state = &cs->bcs[i].at_state;
|
|
if (at_state->pending_commands & PC_CID) {
|
|
at_state->pending_commands &= ~PC_CID;
|
|
at_state->pending_commands |= PC_NOCID;
|
|
atomic_set(&cs->commands_pending, 1);
|
|
}
|
|
}
|
|
}
|
|
|
|
static void schedule_init(struct cardstate *cs, int state)
|
|
{
|
|
if (cs->at_state.pending_commands & PC_INIT) {
|
|
gig_dbg(DEBUG_CMD, "not scheduling PC_INIT again");
|
|
return;
|
|
}
|
|
atomic_set(&cs->mstate, state);
|
|
atomic_set(&cs->mode, M_UNKNOWN);
|
|
gigaset_block_channels(cs);
|
|
cs->at_state.pending_commands |= PC_INIT;
|
|
atomic_set(&cs->commands_pending, 1);
|
|
gig_dbg(DEBUG_CMD, "Scheduling PC_INIT");
|
|
}
|
|
|
|
/* Add "AT" to a command, add the cid, dle encode it, send the result to the
|
|
hardware. */
|
|
static void send_command(struct cardstate *cs, const char *cmd, int cid,
|
|
int dle, gfp_t kmallocflags)
|
|
{
|
|
size_t cmdlen, buflen;
|
|
char *cmdpos, *cmdbuf, *cmdtail;
|
|
|
|
cmdlen = strlen(cmd);
|
|
buflen = 11 + cmdlen;
|
|
if (unlikely(buflen <= cmdlen)) {
|
|
dev_err(cs->dev, "integer overflow in buflen\n");
|
|
return;
|
|
}
|
|
|
|
cmdbuf = kmalloc(buflen, kmallocflags);
|
|
if (unlikely(!cmdbuf)) {
|
|
dev_err(cs->dev, "out of memory\n");
|
|
return;
|
|
}
|
|
|
|
cmdpos = cmdbuf + 9;
|
|
cmdtail = cmdpos + cmdlen;
|
|
memcpy(cmdpos, cmd, cmdlen);
|
|
|
|
if (cid > 0 && cid <= 65535) {
|
|
do {
|
|
*--cmdpos = '0' + cid % 10;
|
|
cid /= 10;
|
|
++cmdlen;
|
|
} while (cid);
|
|
}
|
|
|
|
cmdlen += 2;
|
|
*--cmdpos = 'T';
|
|
*--cmdpos = 'A';
|
|
|
|
if (dle) {
|
|
cmdlen += 4;
|
|
*--cmdpos = '(';
|
|
*--cmdpos = 0x10;
|
|
*cmdtail++ = 0x10;
|
|
*cmdtail++ = ')';
|
|
}
|
|
|
|
cs->ops->write_cmd(cs, cmdpos, cmdlen, NULL);
|
|
kfree(cmdbuf);
|
|
}
|
|
|
|
static struct at_state_t *at_state_from_cid(struct cardstate *cs, int cid)
|
|
{
|
|
struct at_state_t *at_state;
|
|
int i;
|
|
unsigned long flags;
|
|
|
|
if (cid == 0)
|
|
return &cs->at_state;
|
|
|
|
for (i = 0; i < cs->channels; ++i)
|
|
if (cid == cs->bcs[i].at_state.cid)
|
|
return &cs->bcs[i].at_state;
|
|
|
|
spin_lock_irqsave(&cs->lock, flags);
|
|
|
|
list_for_each_entry(at_state, &cs->temp_at_states, list)
|
|
if (cid == at_state->cid) {
|
|
spin_unlock_irqrestore(&cs->lock, flags);
|
|
return at_state;
|
|
}
|
|
|
|
spin_unlock_irqrestore(&cs->lock, flags);
|
|
|
|
return NULL;
|
|
}
|
|
|
|
static void bchannel_down(struct bc_state *bcs)
|
|
{
|
|
if (bcs->chstate & CHS_B_UP) {
|
|
bcs->chstate &= ~CHS_B_UP;
|
|
gigaset_i4l_channel_cmd(bcs, ISDN_STAT_BHUP);
|
|
}
|
|
|
|
if (bcs->chstate & (CHS_D_UP | CHS_NOTIFY_LL)) {
|
|
bcs->chstate &= ~(CHS_D_UP | CHS_NOTIFY_LL);
|
|
gigaset_i4l_channel_cmd(bcs, ISDN_STAT_DHUP);
|
|
}
|
|
|
|
gigaset_free_channel(bcs);
|
|
|
|
gigaset_bcs_reinit(bcs);
|
|
}
|
|
|
|
static void bchannel_up(struct bc_state *bcs)
|
|
{
|
|
if (!(bcs->chstate & CHS_D_UP)) {
|
|
dev_notice(bcs->cs->dev, "%s: D channel not up\n", __func__);
|
|
bcs->chstate |= CHS_D_UP;
|
|
gigaset_i4l_channel_cmd(bcs, ISDN_STAT_DCONN);
|
|
}
|
|
|
|
if (bcs->chstate & CHS_B_UP) {
|
|
dev_notice(bcs->cs->dev, "%s: B channel already up\n",
|
|
__func__);
|
|
return;
|
|
}
|
|
|
|
bcs->chstate |= CHS_B_UP;
|
|
gigaset_i4l_channel_cmd(bcs, ISDN_STAT_BCONN);
|
|
}
|
|
|
|
static void start_dial(struct at_state_t *at_state, void *data, unsigned seq_index)
|
|
{
|
|
struct bc_state *bcs = at_state->bcs;
|
|
struct cardstate *cs = at_state->cs;
|
|
int retval;
|
|
unsigned long flags;
|
|
|
|
bcs->chstate |= CHS_NOTIFY_LL;
|
|
|
|
spin_lock_irqsave(&cs->lock, flags);
|
|
if (at_state->seq_index != seq_index) {
|
|
spin_unlock_irqrestore(&cs->lock, flags);
|
|
goto error;
|
|
}
|
|
spin_unlock_irqrestore(&cs->lock, flags);
|
|
|
|
retval = gigaset_isdn_setup_dial(at_state, data);
|
|
if (retval != 0)
|
|
goto error;
|
|
|
|
|
|
at_state->pending_commands |= PC_CID;
|
|
gig_dbg(DEBUG_CMD, "Scheduling PC_CID");
|
|
atomic_set(&cs->commands_pending, 1);
|
|
return;
|
|
|
|
error:
|
|
at_state->pending_commands |= PC_NOCID;
|
|
gig_dbg(DEBUG_CMD, "Scheduling PC_NOCID");
|
|
atomic_set(&cs->commands_pending, 1);
|
|
return;
|
|
}
|
|
|
|
static void start_accept(struct at_state_t *at_state)
|
|
{
|
|
struct cardstate *cs = at_state->cs;
|
|
int retval;
|
|
|
|
retval = gigaset_isdn_setup_accept(at_state);
|
|
|
|
if (retval == 0) {
|
|
at_state->pending_commands |= PC_ACCEPT;
|
|
gig_dbg(DEBUG_CMD, "Scheduling PC_ACCEPT");
|
|
atomic_set(&cs->commands_pending, 1);
|
|
} else {
|
|
//FIXME
|
|
at_state->pending_commands |= PC_HUP;
|
|
gig_dbg(DEBUG_CMD, "Scheduling PC_HUP");
|
|
atomic_set(&cs->commands_pending, 1);
|
|
}
|
|
}
|
|
|
|
static void do_start(struct cardstate *cs)
|
|
{
|
|
gigaset_free_channels(cs);
|
|
|
|
if (atomic_read(&cs->mstate) != MS_LOCKED)
|
|
schedule_init(cs, MS_INIT);
|
|
|
|
cs->isdn_up = 1;
|
|
gigaset_i4l_cmd(cs, ISDN_STAT_RUN);
|
|
// FIXME: not in locked mode
|
|
// FIXME 2: only after init sequence
|
|
|
|
cs->waiting = 0;
|
|
wake_up(&cs->waitqueue);
|
|
}
|
|
|
|
static void finish_shutdown(struct cardstate *cs)
|
|
{
|
|
if (atomic_read(&cs->mstate) != MS_LOCKED) {
|
|
atomic_set(&cs->mstate, MS_UNINITIALIZED);
|
|
atomic_set(&cs->mode, M_UNKNOWN);
|
|
}
|
|
|
|
/* Tell the LL that the device is not available .. */
|
|
if (cs->isdn_up) {
|
|
cs->isdn_up = 0;
|
|
gigaset_i4l_cmd(cs, ISDN_STAT_STOP);
|
|
}
|
|
|
|
/* The rest is done by cleanup_cs () in user mode. */
|
|
|
|
cs->cmd_result = -ENODEV;
|
|
cs->waiting = 0;
|
|
wake_up_interruptible(&cs->waitqueue);
|
|
}
|
|
|
|
static void do_shutdown(struct cardstate *cs)
|
|
{
|
|
gigaset_block_channels(cs);
|
|
|
|
if (atomic_read(&cs->mstate) == MS_READY) {
|
|
atomic_set(&cs->mstate, MS_SHUTDOWN);
|
|
cs->at_state.pending_commands |= PC_SHUTDOWN;
|
|
atomic_set(&cs->commands_pending, 1);
|
|
gig_dbg(DEBUG_CMD, "Scheduling PC_SHUTDOWN");
|
|
} else
|
|
finish_shutdown(cs);
|
|
}
|
|
|
|
static void do_stop(struct cardstate *cs)
|
|
{
|
|
unsigned long flags;
|
|
|
|
spin_lock_irqsave(&cs->lock, flags);
|
|
cs->connected = 0;
|
|
spin_unlock_irqrestore(&cs->lock, flags);
|
|
|
|
do_shutdown(cs);
|
|
}
|
|
|
|
/* Entering cid mode or getting a cid failed:
|
|
* try to initialize the device and try again.
|
|
*
|
|
* channel >= 0: getting cid for the channel failed
|
|
* channel < 0: entering cid mode failed
|
|
*
|
|
* returns 0 on failure
|
|
*/
|
|
static int reinit_and_retry(struct cardstate *cs, int channel)
|
|
{
|
|
int i;
|
|
|
|
if (--cs->retry_count <= 0)
|
|
return 0;
|
|
|
|
for (i = 0; i < cs->channels; ++i)
|
|
if (cs->bcs[i].at_state.cid > 0)
|
|
return 0;
|
|
|
|
if (channel < 0)
|
|
dev_warn(cs->dev,
|
|
"Could not enter cid mode. Reinit device and try again.\n");
|
|
else {
|
|
dev_warn(cs->dev,
|
|
"Could not get a call id. Reinit device and try again.\n");
|
|
cs->bcs[channel].at_state.pending_commands |= PC_CID;
|
|
}
|
|
schedule_init(cs, MS_INIT);
|
|
return 1;
|
|
}
|
|
|
|
static int at_state_invalid(struct cardstate *cs,
|
|
struct at_state_t *test_ptr)
|
|
{
|
|
unsigned long flags;
|
|
unsigned channel;
|
|
struct at_state_t *at_state;
|
|
int retval = 0;
|
|
|
|
spin_lock_irqsave(&cs->lock, flags);
|
|
|
|
if (test_ptr == &cs->at_state)
|
|
goto exit;
|
|
|
|
list_for_each_entry(at_state, &cs->temp_at_states, list)
|
|
if (at_state == test_ptr)
|
|
goto exit;
|
|
|
|
for (channel = 0; channel < cs->channels; ++channel)
|
|
if (&cs->bcs[channel].at_state == test_ptr)
|
|
goto exit;
|
|
|
|
retval = 1;
|
|
exit:
|
|
spin_unlock_irqrestore(&cs->lock, flags);
|
|
return retval;
|
|
}
|
|
|
|
static void handle_icall(struct cardstate *cs, struct bc_state *bcs,
|
|
struct at_state_t **p_at_state)
|
|
{
|
|
int retval;
|
|
struct at_state_t *at_state = *p_at_state;
|
|
|
|
retval = gigaset_isdn_icall(at_state);
|
|
switch (retval) {
|
|
case ICALL_ACCEPT:
|
|
break;
|
|
default:
|
|
dev_err(cs->dev, "internal error: disposition=%d\n", retval);
|
|
/* --v-- fall through --v-- */
|
|
case ICALL_IGNORE:
|
|
case ICALL_REJECT:
|
|
/* hang up actively
|
|
* Device doc says that would reject the call.
|
|
* In fact it doesn't.
|
|
*/
|
|
at_state->pending_commands |= PC_HUP;
|
|
atomic_set(&cs->commands_pending, 1);
|
|
break;
|
|
}
|
|
}
|
|
|
|
static int do_lock(struct cardstate *cs)
|
|
{
|
|
int mode;
|
|
int i;
|
|
|
|
switch (atomic_read(&cs->mstate)) {
|
|
case MS_UNINITIALIZED:
|
|
case MS_READY:
|
|
if (cs->cur_at_seq || !list_empty(&cs->temp_at_states) ||
|
|
cs->at_state.pending_commands)
|
|
return -EBUSY;
|
|
|
|
for (i = 0; i < cs->channels; ++i)
|
|
if (cs->bcs[i].at_state.pending_commands)
|
|
return -EBUSY;
|
|
|
|
if (!gigaset_get_channels(cs))
|
|
return -EBUSY;
|
|
|
|
break;
|
|
case MS_LOCKED:
|
|
//retval = -EACCES;
|
|
break;
|
|
default:
|
|
return -EBUSY;
|
|
}
|
|
|
|
mode = atomic_read(&cs->mode);
|
|
atomic_set(&cs->mstate, MS_LOCKED);
|
|
atomic_set(&cs->mode, M_UNKNOWN);
|
|
|
|
return mode;
|
|
}
|
|
|
|
static int do_unlock(struct cardstate *cs)
|
|
{
|
|
if (atomic_read(&cs->mstate) != MS_LOCKED)
|
|
return -EINVAL;
|
|
|
|
atomic_set(&cs->mstate, MS_UNINITIALIZED);
|
|
atomic_set(&cs->mode, M_UNKNOWN);
|
|
gigaset_free_channels(cs);
|
|
if (cs->connected)
|
|
schedule_init(cs, MS_INIT);
|
|
|
|
return 0;
|
|
}
|
|
|
|
static void do_action(int action, struct cardstate *cs,
|
|
struct bc_state *bcs,
|
|
struct at_state_t **p_at_state, char **pp_command,
|
|
int *p_genresp, int *p_resp_code,
|
|
struct event_t *ev)
|
|
{
|
|
struct at_state_t *at_state = *p_at_state;
|
|
struct at_state_t *at_state2;
|
|
unsigned long flags;
|
|
|
|
int channel;
|
|
|
|
unsigned char *s, *e;
|
|
int i;
|
|
unsigned long val;
|
|
|
|
switch (action) {
|
|
case ACT_NOTHING:
|
|
break;
|
|
case ACT_TIMEOUT:
|
|
at_state->waiting = 1;
|
|
break;
|
|
case ACT_INIT:
|
|
cs->at_state.pending_commands &= ~PC_INIT;
|
|
cs->cur_at_seq = SEQ_NONE;
|
|
atomic_set(&cs->mode, M_UNIMODEM);
|
|
spin_lock_irqsave(&cs->lock, flags);
|
|
if (!cs->cidmode) {
|
|
spin_unlock_irqrestore(&cs->lock, flags);
|
|
gigaset_free_channels(cs);
|
|
atomic_set(&cs->mstate, MS_READY);
|
|
break;
|
|
}
|
|
spin_unlock_irqrestore(&cs->lock, flags);
|
|
cs->at_state.pending_commands |= PC_CIDMODE;
|
|
atomic_set(&cs->commands_pending, 1);
|
|
gig_dbg(DEBUG_CMD, "Scheduling PC_CIDMODE");
|
|
break;
|
|
case ACT_FAILINIT:
|
|
dev_warn(cs->dev, "Could not initialize the device.\n");
|
|
cs->dle = 0;
|
|
init_failed(cs, M_UNKNOWN);
|
|
cs->cur_at_seq = SEQ_NONE;
|
|
break;
|
|
case ACT_CONFIGMODE:
|
|
init_failed(cs, M_CONFIG);
|
|
cs->cur_at_seq = SEQ_NONE;
|
|
break;
|
|
case ACT_SETDLE1:
|
|
cs->dle = 1;
|
|
/* cs->inbuf[0].inputstate |= INS_command | INS_DLE_command; */
|
|
cs->inbuf[0].inputstate &=
|
|
~(INS_command | INS_DLE_command);
|
|
break;
|
|
case ACT_SETDLE0:
|
|
cs->dle = 0;
|
|
cs->inbuf[0].inputstate =
|
|
(cs->inbuf[0].inputstate & ~INS_DLE_command)
|
|
| INS_command;
|
|
break;
|
|
case ACT_CMODESET:
|
|
if (atomic_read(&cs->mstate) == MS_INIT ||
|
|
atomic_read(&cs->mstate) == MS_RECOVER) {
|
|
gigaset_free_channels(cs);
|
|
atomic_set(&cs->mstate, MS_READY);
|
|
}
|
|
atomic_set(&cs->mode, M_CID);
|
|
cs->cur_at_seq = SEQ_NONE;
|
|
break;
|
|
case ACT_UMODESET:
|
|
atomic_set(&cs->mode, M_UNIMODEM);
|
|
cs->cur_at_seq = SEQ_NONE;
|
|
break;
|
|
case ACT_FAILCMODE:
|
|
cs->cur_at_seq = SEQ_NONE;
|
|
if (atomic_read(&cs->mstate) == MS_INIT ||
|
|
atomic_read(&cs->mstate) == MS_RECOVER) {
|
|
init_failed(cs, M_UNKNOWN);
|
|
break;
|
|
}
|
|
if (!reinit_and_retry(cs, -1))
|
|
schedule_init(cs, MS_RECOVER);
|
|
break;
|
|
case ACT_FAILUMODE:
|
|
cs->cur_at_seq = SEQ_NONE;
|
|
schedule_init(cs, MS_RECOVER);
|
|
break;
|
|
case ACT_HUPMODEM:
|
|
/* send "+++" (hangup in unimodem mode) */
|
|
if (cs->connected)
|
|
cs->ops->write_cmd(cs, "+++", 3, NULL);
|
|
break;
|
|
case ACT_RING:
|
|
/* get fresh AT state structure for new CID */
|
|
at_state2 = get_free_channel(cs, ev->parameter);
|
|
if (!at_state2) {
|
|
dev_warn(cs->dev,
|
|
"RING ignored: could not allocate channel structure\n");
|
|
break;
|
|
}
|
|
|
|
/* initialize AT state structure
|
|
* note that bcs may be NULL if no B channel is free
|
|
*/
|
|
at_state2->ConState = 700;
|
|
kfree(at_state2->str_var[STR_NMBR]);
|
|
at_state2->str_var[STR_NMBR] = NULL;
|
|
kfree(at_state2->str_var[STR_ZCPN]);
|
|
at_state2->str_var[STR_ZCPN] = NULL;
|
|
kfree(at_state2->str_var[STR_ZBC]);
|
|
at_state2->str_var[STR_ZBC] = NULL;
|
|
kfree(at_state2->str_var[STR_ZHLC]);
|
|
at_state2->str_var[STR_ZHLC] = NULL;
|
|
at_state2->int_var[VAR_ZCTP] = -1;
|
|
|
|
spin_lock_irqsave(&cs->lock, flags);
|
|
at_state2->timer_expires = RING_TIMEOUT;
|
|
at_state2->timer_active = 1;
|
|
spin_unlock_irqrestore(&cs->lock, flags);
|
|
break;
|
|
case ACT_ICALL:
|
|
handle_icall(cs, bcs, p_at_state);
|
|
break;
|
|
case ACT_FAILSDOWN:
|
|
dev_warn(cs->dev, "Could not shut down the device.\n");
|
|
/* fall through */
|
|
case ACT_FAKESDOWN:
|
|
case ACT_SDOWN:
|
|
cs->cur_at_seq = SEQ_NONE;
|
|
finish_shutdown(cs);
|
|
break;
|
|
case ACT_CONNECT:
|
|
if (cs->onechannel) {
|
|
at_state->pending_commands |= PC_DLE1;
|
|
atomic_set(&cs->commands_pending, 1);
|
|
break;
|
|
}
|
|
bcs->chstate |= CHS_D_UP;
|
|
gigaset_i4l_channel_cmd(bcs, ISDN_STAT_DCONN);
|
|
cs->ops->init_bchannel(bcs);
|
|
break;
|
|
case ACT_DLE1:
|
|
cs->cur_at_seq = SEQ_NONE;
|
|
bcs = cs->bcs + cs->curchannel;
|
|
|
|
bcs->chstate |= CHS_D_UP;
|
|
gigaset_i4l_channel_cmd(bcs, ISDN_STAT_DCONN);
|
|
cs->ops->init_bchannel(bcs);
|
|
break;
|
|
case ACT_FAKEHUP:
|
|
at_state->int_var[VAR_ZSAU] = ZSAU_NULL;
|
|
/* fall through */
|
|
case ACT_DISCONNECT:
|
|
cs->cur_at_seq = SEQ_NONE;
|
|
at_state->cid = -1;
|
|
if (bcs && cs->onechannel && cs->dle) {
|
|
/* Check for other open channels not needed:
|
|
* DLE only used for M10x with one B channel.
|
|
*/
|
|
at_state->pending_commands |= PC_DLE0;
|
|
atomic_set(&cs->commands_pending, 1);
|
|
} else
|
|
disconnect(p_at_state);
|
|
break;
|
|
case ACT_FAKEDLE0:
|
|
at_state->int_var[VAR_ZDLE] = 0;
|
|
cs->dle = 0;
|
|
/* fall through */
|
|
case ACT_DLE0:
|
|
cs->cur_at_seq = SEQ_NONE;
|
|
at_state2 = &cs->bcs[cs->curchannel].at_state;
|
|
disconnect(&at_state2);
|
|
break;
|
|
case ACT_ABORTHUP:
|
|
cs->cur_at_seq = SEQ_NONE;
|
|
dev_warn(cs->dev, "Could not hang up.\n");
|
|
at_state->cid = -1;
|
|
if (bcs && cs->onechannel)
|
|
at_state->pending_commands |= PC_DLE0;
|
|
else
|
|
disconnect(p_at_state);
|
|
schedule_init(cs, MS_RECOVER);
|
|
break;
|
|
case ACT_FAILDLE0:
|
|
cs->cur_at_seq = SEQ_NONE;
|
|
dev_warn(cs->dev, "Could not leave DLE mode.\n");
|
|
at_state2 = &cs->bcs[cs->curchannel].at_state;
|
|
disconnect(&at_state2);
|
|
schedule_init(cs, MS_RECOVER);
|
|
break;
|
|
case ACT_FAILDLE1:
|
|
cs->cur_at_seq = SEQ_NONE;
|
|
dev_warn(cs->dev,
|
|
"Could not enter DLE mode. Trying to hang up.\n");
|
|
channel = cs->curchannel;
|
|
cs->bcs[channel].at_state.pending_commands |= PC_HUP;
|
|
atomic_set(&cs->commands_pending, 1);
|
|
break;
|
|
|
|
case ACT_CID: /* got cid; start dialing */
|
|
cs->cur_at_seq = SEQ_NONE;
|
|
channel = cs->curchannel;
|
|
if (ev->parameter > 0 && ev->parameter <= 65535) {
|
|
cs->bcs[channel].at_state.cid = ev->parameter;
|
|
cs->bcs[channel].at_state.pending_commands |=
|
|
PC_DIAL;
|
|
atomic_set(&cs->commands_pending, 1);
|
|
break;
|
|
}
|
|
/* fall through */
|
|
case ACT_FAILCID:
|
|
cs->cur_at_seq = SEQ_NONE;
|
|
channel = cs->curchannel;
|
|
if (!reinit_and_retry(cs, channel)) {
|
|
dev_warn(cs->dev,
|
|
"Could not get a call ID. Cannot dial.\n");
|
|
at_state2 = &cs->bcs[channel].at_state;
|
|
disconnect(&at_state2);
|
|
}
|
|
break;
|
|
case ACT_ABORTCID:
|
|
cs->cur_at_seq = SEQ_NONE;
|
|
at_state2 = &cs->bcs[cs->curchannel].at_state;
|
|
disconnect(&at_state2);
|
|
break;
|
|
|
|
case ACT_DIALING:
|
|
case ACT_ACCEPTED:
|
|
cs->cur_at_seq = SEQ_NONE;
|
|
break;
|
|
|
|
case ACT_ABORTACCEPT: /* hangup/error/timeout during ICALL processing */
|
|
disconnect(p_at_state);
|
|
break;
|
|
|
|
case ACT_ABORTDIAL: /* error/timeout during dial preparation */
|
|
cs->cur_at_seq = SEQ_NONE;
|
|
at_state->pending_commands |= PC_HUP;
|
|
atomic_set(&cs->commands_pending, 1);
|
|
break;
|
|
|
|
case ACT_REMOTEREJECT: /* DISCONNECT_IND after dialling */
|
|
case ACT_CONNTIMEOUT: /* timeout waiting for ZSAU=ACTIVE */
|
|
case ACT_REMOTEHUP: /* DISCONNECT_IND with established connection */
|
|
at_state->pending_commands |= PC_HUP;
|
|
atomic_set(&cs->commands_pending, 1);
|
|
break;
|
|
case ACT_GETSTRING: /* warning: RING, ZDLE, ...
|
|
are not handled properly anymore */
|
|
at_state->getstring = 1;
|
|
break;
|
|
case ACT_SETVER:
|
|
if (!ev->ptr) {
|
|
*p_genresp = 1;
|
|
*p_resp_code = RSP_ERROR;
|
|
break;
|
|
}
|
|
s = ev->ptr;
|
|
|
|
if (!strcmp(s, "OK")) {
|
|
*p_genresp = 1;
|
|
*p_resp_code = RSP_ERROR;
|
|
break;
|
|
}
|
|
|
|
for (i = 0; i < 4; ++i) {
|
|
val = simple_strtoul(s, (char **) &e, 10);
|
|
if (val > INT_MAX || e == s)
|
|
break;
|
|
if (i == 3) {
|
|
if (*e)
|
|
break;
|
|
} else if (*e != '.')
|
|
break;
|
|
else
|
|
s = e + 1;
|
|
cs->fwver[i] = val;
|
|
}
|
|
if (i != 4) {
|
|
*p_genresp = 1;
|
|
*p_resp_code = RSP_ERROR;
|
|
break;
|
|
}
|
|
/*at_state->getstring = 1;*/
|
|
cs->gotfwver = 0;
|
|
break;
|
|
case ACT_GOTVER:
|
|
if (cs->gotfwver == 0) {
|
|
cs->gotfwver = 1;
|
|
gig_dbg(DEBUG_ANY,
|
|
"firmware version %02d.%03d.%02d.%02d",
|
|
cs->fwver[0], cs->fwver[1],
|
|
cs->fwver[2], cs->fwver[3]);
|
|
break;
|
|
}
|
|
/* fall through */
|
|
case ACT_FAILVER:
|
|
cs->gotfwver = -1;
|
|
dev_err(cs->dev, "could not read firmware version.\n");
|
|
break;
|
|
#ifdef CONFIG_GIGASET_DEBUG
|
|
case ACT_ERROR:
|
|
*p_genresp = 1;
|
|
*p_resp_code = RSP_ERROR;
|
|
break;
|
|
case ACT_TEST:
|
|
{
|
|
static int count = 3; //2; //1;
|
|
*p_genresp = 1;
|
|
*p_resp_code = count ? RSP_ERROR : RSP_OK;
|
|
if (count > 0)
|
|
--count;
|
|
}
|
|
break;
|
|
#endif
|
|
case ACT_DEBUG:
|
|
gig_dbg(DEBUG_ANY, "%s: resp_code %d in ConState %d",
|
|
__func__, ev->type, at_state->ConState);
|
|
break;
|
|
case ACT_WARN:
|
|
dev_warn(cs->dev, "%s: resp_code %d in ConState %d!\n",
|
|
__func__, ev->type, at_state->ConState);
|
|
break;
|
|
case ACT_ZCAU:
|
|
dev_warn(cs->dev, "cause code %04x in connection state %d.\n",
|
|
ev->parameter, at_state->ConState);
|
|
break;
|
|
|
|
/* events from the LL */
|
|
case ACT_DIAL:
|
|
start_dial(at_state, ev->ptr, ev->parameter);
|
|
break;
|
|
case ACT_ACCEPT:
|
|
start_accept(at_state);
|
|
break;
|
|
case ACT_PROTO_L2:
|
|
gig_dbg(DEBUG_CMD, "set protocol to %u",
|
|
(unsigned) ev->parameter);
|
|
at_state->bcs->proto2 = ev->parameter;
|
|
break;
|
|
case ACT_HUP:
|
|
at_state->pending_commands |= PC_HUP;
|
|
atomic_set(&cs->commands_pending, 1);
|
|
gig_dbg(DEBUG_CMD, "Scheduling PC_HUP");
|
|
break;
|
|
|
|
/* hotplug events */
|
|
case ACT_STOP:
|
|
do_stop(cs);
|
|
break;
|
|
case ACT_START:
|
|
do_start(cs);
|
|
break;
|
|
|
|
/* events from the interface */ // FIXME without ACT_xxxx?
|
|
case ACT_IF_LOCK:
|
|
cs->cmd_result = ev->parameter ? do_lock(cs) : do_unlock(cs);
|
|
cs->waiting = 0;
|
|
wake_up(&cs->waitqueue);
|
|
break;
|
|
case ACT_IF_VER:
|
|
if (ev->parameter != 0)
|
|
cs->cmd_result = -EINVAL;
|
|
else if (cs->gotfwver != 1) {
|
|
cs->cmd_result = -ENOENT;
|
|
} else {
|
|
memcpy(ev->arg, cs->fwver, sizeof cs->fwver);
|
|
cs->cmd_result = 0;
|
|
}
|
|
cs->waiting = 0;
|
|
wake_up(&cs->waitqueue);
|
|
break;
|
|
|
|
/* events from the proc file system */ // FIXME without ACT_xxxx?
|
|
case ACT_PROC_CIDMODE:
|
|
spin_lock_irqsave(&cs->lock, flags);
|
|
if (ev->parameter != cs->cidmode) {
|
|
cs->cidmode = ev->parameter;
|
|
if (ev->parameter) {
|
|
cs->at_state.pending_commands |= PC_CIDMODE;
|
|
gig_dbg(DEBUG_CMD, "Scheduling PC_CIDMODE");
|
|
} else {
|
|
cs->at_state.pending_commands |= PC_UMMODE;
|
|
gig_dbg(DEBUG_CMD, "Scheduling PC_UMMODE");
|
|
}
|
|
atomic_set(&cs->commands_pending, 1);
|
|
}
|
|
spin_unlock_irqrestore(&cs->lock, flags);
|
|
cs->waiting = 0;
|
|
wake_up(&cs->waitqueue);
|
|
break;
|
|
|
|
/* events from the hardware drivers */
|
|
case ACT_NOTIFY_BC_DOWN:
|
|
bchannel_down(bcs);
|
|
break;
|
|
case ACT_NOTIFY_BC_UP:
|
|
bchannel_up(bcs);
|
|
break;
|
|
case ACT_SHUTDOWN:
|
|
do_shutdown(cs);
|
|
break;
|
|
|
|
|
|
default:
|
|
if (action >= ACT_CMD && action < ACT_CMD + AT_NUM) {
|
|
*pp_command = at_state->bcs->commands[action - ACT_CMD];
|
|
if (!*pp_command) {
|
|
*p_genresp = 1;
|
|
*p_resp_code = RSP_NULL;
|
|
}
|
|
} else
|
|
dev_err(cs->dev, "%s: action==%d!\n", __func__, action);
|
|
}
|
|
}
|
|
|
|
/* State machine to do the calling and hangup procedure */
|
|
static void process_event(struct cardstate *cs, struct event_t *ev)
|
|
{
|
|
struct bc_state *bcs;
|
|
char *p_command = NULL;
|
|
struct reply_t *rep;
|
|
int rcode;
|
|
int genresp = 0;
|
|
int resp_code = RSP_ERROR;
|
|
int sendcid;
|
|
struct at_state_t *at_state;
|
|
int index;
|
|
int curact;
|
|
unsigned long flags;
|
|
|
|
if (ev->cid >= 0) {
|
|
at_state = at_state_from_cid(cs, ev->cid);
|
|
if (!at_state) {
|
|
gigaset_add_event(cs, &cs->at_state, RSP_WRONG_CID,
|
|
NULL, 0, NULL);
|
|
return;
|
|
}
|
|
} else {
|
|
at_state = ev->at_state;
|
|
if (at_state_invalid(cs, at_state)) {
|
|
gig_dbg(DEBUG_ANY, "event for invalid at_state %p",
|
|
at_state);
|
|
return;
|
|
}
|
|
}
|
|
|
|
gig_dbg(DEBUG_CMD, "connection state %d, event %d",
|
|
at_state->ConState, ev->type);
|
|
|
|
bcs = at_state->bcs;
|
|
sendcid = at_state->cid;
|
|
|
|
/* Setting the pointer to the dial array */
|
|
rep = at_state->replystruct;
|
|
|
|
spin_lock_irqsave(&cs->lock, flags);
|
|
if (ev->type == EV_TIMEOUT) {
|
|
if (ev->parameter != at_state->timer_index
|
|
|| !at_state->timer_active) {
|
|
ev->type = RSP_NONE; /* old timeout */
|
|
gig_dbg(DEBUG_ANY, "old timeout");
|
|
} else if (!at_state->waiting)
|
|
gig_dbg(DEBUG_ANY, "timeout occurred");
|
|
else
|
|
gig_dbg(DEBUG_ANY, "stopped waiting");
|
|
}
|
|
spin_unlock_irqrestore(&cs->lock, flags);
|
|
|
|
/* if the response belongs to a variable in at_state->int_var[VAR_XXXX]
|
|
or at_state->str_var[STR_XXXX], set it */
|
|
if (ev->type >= RSP_VAR && ev->type < RSP_VAR + VAR_NUM) {
|
|
index = ev->type - RSP_VAR;
|
|
at_state->int_var[index] = ev->parameter;
|
|
} else if (ev->type >= RSP_STR && ev->type < RSP_STR + STR_NUM) {
|
|
index = ev->type - RSP_STR;
|
|
kfree(at_state->str_var[index]);
|
|
at_state->str_var[index] = ev->ptr;
|
|
ev->ptr = NULL; /* prevent process_events() from
|
|
deallocating ptr */
|
|
}
|
|
|
|
if (ev->type == EV_TIMEOUT || ev->type == RSP_STRING)
|
|
at_state->getstring = 0;
|
|
|
|
/* Search row in dial array which matches modem response and current
|
|
constate */
|
|
for (;; rep++) {
|
|
rcode = rep->resp_code;
|
|
if (rcode == RSP_LAST) {
|
|
/* found nothing...*/
|
|
dev_warn(cs->dev, "%s: rcode=RSP_LAST: "
|
|
"resp_code %d in ConState %d!\n",
|
|
__func__, ev->type, at_state->ConState);
|
|
return;
|
|
}
|
|
if ((rcode == RSP_ANY || rcode == ev->type)
|
|
&& ((int) at_state->ConState >= rep->min_ConState)
|
|
&& (rep->max_ConState < 0
|
|
|| (int) at_state->ConState <= rep->max_ConState)
|
|
&& (rep->parameter < 0 || rep->parameter == ev->parameter))
|
|
break;
|
|
}
|
|
|
|
p_command = rep->command;
|
|
|
|
at_state->waiting = 0;
|
|
for (curact = 0; curact < MAXACT; ++curact) {
|
|
/* The row tells us what we should do ..
|
|
*/
|
|
do_action(rep->action[curact], cs, bcs, &at_state, &p_command, &genresp, &resp_code, ev);
|
|
if (!at_state)
|
|
break; /* may be freed after disconnect */
|
|
}
|
|
|
|
if (at_state) {
|
|
/* Jump to the next con-state regarding the array */
|
|
if (rep->new_ConState >= 0)
|
|
at_state->ConState = rep->new_ConState;
|
|
|
|
if (genresp) {
|
|
spin_lock_irqsave(&cs->lock, flags);
|
|
at_state->timer_expires = 0; //FIXME
|
|
at_state->timer_active = 0; //FIXME
|
|
spin_unlock_irqrestore(&cs->lock, flags);
|
|
gigaset_add_event(cs, at_state, resp_code, NULL, 0, NULL);
|
|
} else {
|
|
/* Send command to modem if not NULL... */
|
|
if (p_command/*rep->command*/) {
|
|
if (cs->connected)
|
|
send_command(cs, p_command,
|
|
sendcid, cs->dle,
|
|
GFP_ATOMIC);
|
|
else
|
|
gigaset_add_event(cs, at_state,
|
|
RSP_NODEV,
|
|
NULL, 0, NULL);
|
|
}
|
|
|
|
spin_lock_irqsave(&cs->lock, flags);
|
|
if (!rep->timeout) {
|
|
at_state->timer_expires = 0;
|
|
at_state->timer_active = 0;
|
|
} else if (rep->timeout > 0) { /* new timeout */
|
|
at_state->timer_expires = rep->timeout * 10;
|
|
at_state->timer_active = 1;
|
|
++at_state->timer_index;
|
|
}
|
|
spin_unlock_irqrestore(&cs->lock, flags);
|
|
}
|
|
}
|
|
}
|
|
|
|
static void schedule_sequence(struct cardstate *cs,
|
|
struct at_state_t *at_state, int sequence)
|
|
{
|
|
cs->cur_at_seq = sequence;
|
|
gigaset_add_event(cs, at_state, RSP_INIT, NULL, sequence, NULL);
|
|
}
|
|
|
|
static void process_command_flags(struct cardstate *cs)
|
|
{
|
|
struct at_state_t *at_state = NULL;
|
|
struct bc_state *bcs;
|
|
int i;
|
|
int sequence;
|
|
unsigned long flags;
|
|
|
|
atomic_set(&cs->commands_pending, 0);
|
|
|
|
if (cs->cur_at_seq) {
|
|
gig_dbg(DEBUG_CMD, "not searching scheduled commands: busy");
|
|
return;
|
|
}
|
|
|
|
gig_dbg(DEBUG_CMD, "searching scheduled commands");
|
|
|
|
sequence = SEQ_NONE;
|
|
|
|
/* clear pending_commands and hangup channels on shutdown */
|
|
if (cs->at_state.pending_commands & PC_SHUTDOWN) {
|
|
cs->at_state.pending_commands &= ~PC_CIDMODE;
|
|
for (i = 0; i < cs->channels; ++i) {
|
|
bcs = cs->bcs + i;
|
|
at_state = &bcs->at_state;
|
|
at_state->pending_commands &=
|
|
~(PC_DLE1 | PC_ACCEPT | PC_DIAL);
|
|
if (at_state->cid > 0)
|
|
at_state->pending_commands |= PC_HUP;
|
|
if (at_state->pending_commands & PC_CID) {
|
|
at_state->pending_commands |= PC_NOCID;
|
|
at_state->pending_commands &= ~PC_CID;
|
|
}
|
|
}
|
|
}
|
|
|
|
/* clear pending_commands and hangup channels on reset */
|
|
if (cs->at_state.pending_commands & PC_INIT) {
|
|
cs->at_state.pending_commands &= ~PC_CIDMODE;
|
|
for (i = 0; i < cs->channels; ++i) {
|
|
bcs = cs->bcs + i;
|
|
at_state = &bcs->at_state;
|
|
at_state->pending_commands &=
|
|
~(PC_DLE1 | PC_ACCEPT | PC_DIAL);
|
|
if (at_state->cid > 0)
|
|
at_state->pending_commands |= PC_HUP;
|
|
if (atomic_read(&cs->mstate) == MS_RECOVER) {
|
|
if (at_state->pending_commands & PC_CID) {
|
|
at_state->pending_commands |= PC_NOCID;
|
|
at_state->pending_commands &= ~PC_CID;
|
|
}
|
|
}
|
|
}
|
|
}
|
|
|
|
/* only switch back to unimodem mode, if no commands are pending and no channels are up */
|
|
spin_lock_irqsave(&cs->lock, flags);
|
|
if (cs->at_state.pending_commands == PC_UMMODE
|
|
&& !cs->cidmode
|
|
&& list_empty(&cs->temp_at_states)
|
|
&& atomic_read(&cs->mode) == M_CID) {
|
|
sequence = SEQ_UMMODE;
|
|
at_state = &cs->at_state;
|
|
for (i = 0; i < cs->channels; ++i) {
|
|
bcs = cs->bcs + i;
|
|
if (bcs->at_state.pending_commands ||
|
|
bcs->at_state.cid > 0) {
|
|
sequence = SEQ_NONE;
|
|
break;
|
|
}
|
|
}
|
|
}
|
|
spin_unlock_irqrestore(&cs->lock, flags);
|
|
cs->at_state.pending_commands &= ~PC_UMMODE;
|
|
if (sequence != SEQ_NONE) {
|
|
schedule_sequence(cs, at_state, sequence);
|
|
return;
|
|
}
|
|
|
|
for (i = 0; i < cs->channels; ++i) {
|
|
bcs = cs->bcs + i;
|
|
if (bcs->at_state.pending_commands & PC_HUP) {
|
|
bcs->at_state.pending_commands &= ~PC_HUP;
|
|
if (bcs->at_state.pending_commands & PC_CID) {
|
|
/* not yet dialing: PC_NOCID is sufficient */
|
|
bcs->at_state.pending_commands |= PC_NOCID;
|
|
bcs->at_state.pending_commands &= ~PC_CID;
|
|
} else {
|
|
schedule_sequence(cs, &bcs->at_state, SEQ_HUP);
|
|
return;
|
|
}
|
|
}
|
|
if (bcs->at_state.pending_commands & PC_NOCID) {
|
|
bcs->at_state.pending_commands &= ~PC_NOCID;
|
|
cs->curchannel = bcs->channel;
|
|
schedule_sequence(cs, &cs->at_state, SEQ_NOCID);
|
|
return;
|
|
} else if (bcs->at_state.pending_commands & PC_DLE0) {
|
|
bcs->at_state.pending_commands &= ~PC_DLE0;
|
|
cs->curchannel = bcs->channel;
|
|
schedule_sequence(cs, &cs->at_state, SEQ_DLE0);
|
|
return;
|
|
}
|
|
}
|
|
|
|
list_for_each_entry(at_state, &cs->temp_at_states, list)
|
|
if (at_state->pending_commands & PC_HUP) {
|
|
at_state->pending_commands &= ~PC_HUP;
|
|
schedule_sequence(cs, at_state, SEQ_HUP);
|
|
return;
|
|
}
|
|
|
|
if (cs->at_state.pending_commands & PC_INIT) {
|
|
cs->at_state.pending_commands &= ~PC_INIT;
|
|
cs->dle = 0; //FIXME
|
|
cs->inbuf->inputstate = INS_command;
|
|
//FIXME reset card state (or -> LOCK0)?
|
|
schedule_sequence(cs, &cs->at_state, SEQ_INIT);
|
|
return;
|
|
}
|
|
if (cs->at_state.pending_commands & PC_SHUTDOWN) {
|
|
cs->at_state.pending_commands &= ~PC_SHUTDOWN;
|
|
schedule_sequence(cs, &cs->at_state, SEQ_SHUTDOWN);
|
|
return;
|
|
}
|
|
if (cs->at_state.pending_commands & PC_CIDMODE) {
|
|
cs->at_state.pending_commands &= ~PC_CIDMODE;
|
|
if (atomic_read(&cs->mode) == M_UNIMODEM) {
|
|
cs->retry_count = 1;
|
|
schedule_sequence(cs, &cs->at_state, SEQ_CIDMODE);
|
|
return;
|
|
}
|
|
}
|
|
|
|
for (i = 0; i < cs->channels; ++i) {
|
|
bcs = cs->bcs + i;
|
|
if (bcs->at_state.pending_commands & PC_DLE1) {
|
|
bcs->at_state.pending_commands &= ~PC_DLE1;
|
|
cs->curchannel = bcs->channel;
|
|
schedule_sequence(cs, &cs->at_state, SEQ_DLE1);
|
|
return;
|
|
}
|
|
if (bcs->at_state.pending_commands & PC_ACCEPT) {
|
|
bcs->at_state.pending_commands &= ~PC_ACCEPT;
|
|
schedule_sequence(cs, &bcs->at_state, SEQ_ACCEPT);
|
|
return;
|
|
}
|
|
if (bcs->at_state.pending_commands & PC_DIAL) {
|
|
bcs->at_state.pending_commands &= ~PC_DIAL;
|
|
schedule_sequence(cs, &bcs->at_state, SEQ_DIAL);
|
|
return;
|
|
}
|
|
if (bcs->at_state.pending_commands & PC_CID) {
|
|
switch (atomic_read(&cs->mode)) {
|
|
case M_UNIMODEM:
|
|
cs->at_state.pending_commands |= PC_CIDMODE;
|
|
gig_dbg(DEBUG_CMD, "Scheduling PC_CIDMODE");
|
|
atomic_set(&cs->commands_pending, 1);
|
|
return;
|
|
#ifdef GIG_MAYINITONDIAL
|
|
case M_UNKNOWN:
|
|
schedule_init(cs, MS_INIT);
|
|
return;
|
|
#endif
|
|
}
|
|
bcs->at_state.pending_commands &= ~PC_CID;
|
|
cs->curchannel = bcs->channel;
|
|
#ifdef GIG_RETRYCID
|
|
cs->retry_count = 2;
|
|
#else
|
|
cs->retry_count = 1;
|
|
#endif
|
|
schedule_sequence(cs, &cs->at_state, SEQ_CID);
|
|
return;
|
|
}
|
|
}
|
|
}
|
|
|
|
static void process_events(struct cardstate *cs)
|
|
{
|
|
struct event_t *ev;
|
|
unsigned head, tail;
|
|
int i;
|
|
int check_flags = 0;
|
|
int was_busy;
|
|
unsigned long flags;
|
|
|
|
spin_lock_irqsave(&cs->ev_lock, flags);
|
|
head = cs->ev_head;
|
|
|
|
for (i = 0; i < 2 * MAX_EVENTS; ++i) {
|
|
tail = cs->ev_tail;
|
|
if (tail == head) {
|
|
if (!check_flags && !atomic_read(&cs->commands_pending))
|
|
break;
|
|
check_flags = 0;
|
|
spin_unlock_irqrestore(&cs->ev_lock, flags);
|
|
process_command_flags(cs);
|
|
spin_lock_irqsave(&cs->ev_lock, flags);
|
|
tail = cs->ev_tail;
|
|
if (tail == head) {
|
|
if (!atomic_read(&cs->commands_pending))
|
|
break;
|
|
continue;
|
|
}
|
|
}
|
|
|
|
ev = cs->events + head;
|
|
was_busy = cs->cur_at_seq != SEQ_NONE;
|
|
spin_unlock_irqrestore(&cs->ev_lock, flags);
|
|
process_event(cs, ev);
|
|
spin_lock_irqsave(&cs->ev_lock, flags);
|
|
kfree(ev->ptr);
|
|
ev->ptr = NULL;
|
|
if (was_busy && cs->cur_at_seq == SEQ_NONE)
|
|
check_flags = 1;
|
|
|
|
head = (head + 1) % MAX_EVENTS;
|
|
cs->ev_head = head;
|
|
}
|
|
|
|
spin_unlock_irqrestore(&cs->ev_lock, flags);
|
|
|
|
if (i == 2 * MAX_EVENTS) {
|
|
dev_err(cs->dev,
|
|
"infinite loop in process_events; aborting.\n");
|
|
}
|
|
}
|
|
|
|
/* tasklet scheduled on any event received from the Gigaset device
|
|
* parameter:
|
|
* data ISDN controller state structure
|
|
*/
|
|
void gigaset_handle_event(unsigned long data)
|
|
{
|
|
struct cardstate *cs = (struct cardstate *) data;
|
|
|
|
/* handle incoming data on control/common channel */
|
|
if (atomic_read(&cs->inbuf->head) != atomic_read(&cs->inbuf->tail)) {
|
|
gig_dbg(DEBUG_INTR, "processing new data");
|
|
cs->ops->handle_input(cs->inbuf);
|
|
}
|
|
|
|
process_events(cs);
|
|
}
|