[PATCH] isdn4linux: Siemens Gigaset drivers - event layer

And: Tilman Schmidt <tilman@imap.cc>

This patch adds the event layer to the gigaset module.  The event layer
serializes events from hardware, userspace, and other kernel subsystems.

Signed-off-by: Hansjoerg Lipp <hjlipp@web.de>
Signed-off-by: Tilman Schmidt <tilman@imap.cc>
Cc: Karsten Keil <kkeil@suse.de>
Cc: Greg KH <greg@kroah.com>
Signed-off-by: Andrew Morton <akpm@osdl.org>
Signed-off-by: Linus Torvalds <torvalds@osdl.org>

1 files changed, 1983 insertions, 0 deletions

diff --git a/drivers/isdn/gigaset/ev-layer.c b/drivers/isdn/gigaset/ev-layer.c
new file mode 100644
index 000000000000..fdcb80bb21c7
--- /dev/null
+++ b/drivers/isdn/gigaset/ev-layer.c
@@ -0,0 +1,1983 @@
+/*
+ * Stuff used by all variants of the driver
+ *
+ * Copyright (c) 2001 by Stefan Eilers <Eilers.Stefan@epost.de>,
+ *                       Hansjoerg Lipp <hjlipp@web.de>,
+ *                       Tilman Schmidt <tilman@imap.cc>.
+ *
+ * =====================================================================
+ *      This program is free software; you can redistribute it and/or
+ *      modify it under the terms of the GNU General Public License as
+ *      published by the Free Software Foundation; either version 2 of
+ *      the License, or (at your option) any later version.
+ * =====================================================================
+ * ToDo: ...
+ * =====================================================================
+ * Version: $Id: ev-layer.c,v 1.4.2.18 2006/02/04 18:28:16 hjlipp Exp $
+ * =====================================================================
+ */
+
+#include "gigaset.h"
+
+/* ========================================================== */
+/* bit masks for pending commands */
+#define PC_INIT       0x004
+#define PC_DLE0       0x008
+#define PC_DLE1       0x010
+#define PC_CID        0x080
+#define PC_NOCID      0x100
+#define PC_HUP        0x002
+#define PC_DIAL       0x001
+#define PC_ACCEPT     0x040
+#define PC_SHUTDOWN   0x020
+#define PC_CIDMODE    0x200
+#define PC_UMMODE     0x400
+
+/* types of modem responses */
+#define RT_NOTHING 0
+#define RT_ZSAU    1
+#define RT_RING    2
+#define RT_NUMBER  3
+#define RT_STRING  4
+#define RT_HEX     5
+#define RT_ZCAU    6
+
+/* Possible ASCII responses */
+#define RSP_OK           0
+//#define RSP_BUSY       1
+//#define RSP_CONNECT    2
+#define RSP_ZGCI         3
+#define RSP_RING         4
+#define RSP_ZAOC         5
+#define RSP_ZCSTR        6
+#define RSP_ZCFGT        7
+#define RSP_ZCFG         8
+#define RSP_ZCCR         9
+#define RSP_EMPTY        10
+#define RSP_ZLOG         11
+#define RSP_ZCAU         12
+#define RSP_ZMWI         13
+#define RSP_ZABINFO      14
+#define RSP_ZSMLSTCHG    15
+#define RSP_VAR          100
+#define RSP_ZSAU         (RSP_VAR + VAR_ZSAU)
+#define RSP_ZDLE         (RSP_VAR + VAR_ZDLE)
+#define RSP_ZVLS         (RSP_VAR + VAR_ZVLS)
+#define RSP_ZCTP         (RSP_VAR + VAR_ZCTP)
+#define RSP_STR          (RSP_VAR + VAR_NUM)
+#define RSP_NMBR         (RSP_STR + STR_NMBR)
+#define RSP_ZCPN         (RSP_STR + STR_ZCPN)
+#define RSP_ZCON         (RSP_STR + STR_ZCON)
+#define RSP_ZBC          (RSP_STR + STR_ZBC)
+#define RSP_ZHLC         (RSP_STR + STR_ZHLC)
+#define RSP_ERROR       -1       /* ERROR              */
+#define RSP_WRONG_CID   -2       /* unknown cid in cmd */
+//#define RSP_EMPTY     -3
+#define RSP_UNKNOWN     -4       /* unknown response   */
+#define RSP_FAIL        -5       /* internal error     */
+#define RSP_INVAL       -6       /* invalid response   */
+
+#define RSP_NONE        -19
+#define RSP_STRING      -20
+#define RSP_NULL        -21
+//#define RSP_RETRYFAIL -22
+//#define RSP_RETRY     -23
+//#define RSP_SKIP      -24
+#define RSP_INIT        -27
+#define RSP_ANY         -26
+#define RSP_LAST        -28
+#define RSP_NODEV       -9
+
+/* actions for process_response */
+#define ACT_NOTHING             0
+#define ACT_SETDLE1             1
+#define ACT_SETDLE0             2
+#define ACT_FAILINIT            3
+#define ACT_HUPMODEM            4
+#define ACT_CONFIGMODE          5
+#define ACT_INIT                6
+#define ACT_DLE0                7
+#define ACT_DLE1                8
+#define ACT_FAILDLE0            9
+#define ACT_FAILDLE1            10
+#define ACT_RING                11
+#define ACT_CID                 12
+#define ACT_FAILCID             13
+#define ACT_SDOWN               14
+#define ACT_FAILSDOWN           15
+#define ACT_DEBUG               16
+#define ACT_WARN                17
+#define ACT_DIALING             18
+#define ACT_ABORTDIAL           19
+#define ACT_DISCONNECT          20
+#define ACT_CONNECT             21
+#define ACT_REMOTEREJECT        22
+#define ACT_CONNTIMEOUT         23
+#define ACT_REMOTEHUP           24
+#define ACT_ABORTHUP            25
+#define ACT_ICALL               26
+#define ACT_ACCEPTED            27
+#define ACT_ABORTACCEPT         28
+#define ACT_TIMEOUT             29
+#define ACT_GETSTRING           30
+#define ACT_SETVER              31
+#define ACT_FAILVER             32
+#define ACT_GOTVER              33
+#define ACT_TEST                34
+#define ACT_ERROR               35
+#define ACT_ABORTCID            36
+#define ACT_ZCAU                37
+#define ACT_NOTIFY_BC_DOWN      38
+#define ACT_NOTIFY_BC_UP        39
+#define ACT_DIAL                40
+#define ACT_ACCEPT              41
+#define ACT_PROTO_L2            42
+#define ACT_HUP                 43
+#define ACT_IF_LOCK             44
+#define ACT_START               45
+#define ACT_STOP                46
+#define ACT_FAKEDLE0            47
+#define ACT_FAKEHUP             48
+#define ACT_FAKESDOWN           49
+#define ACT_SHUTDOWN            50
+#define ACT_PROC_CIDMODE        51
+#define ACT_UMODESET            52
+#define ACT_FAILUMODE           53
+#define ACT_CMODESET            54
+#define ACT_FAILCMODE           55
+#define ACT_IF_VER              56
+#define ACT_CMD                 100
+
+/* at command sequences */
+#define SEQ_NONE      0
+#define SEQ_INIT      100
+#define SEQ_DLE0      200
+#define SEQ_DLE1      250
+#define SEQ_CID       300
+#define SEQ_NOCID     350
+#define SEQ_HUP       400
+#define SEQ_DIAL      600
+#define SEQ_ACCEPT    720
+#define SEQ_SHUTDOWN  500
+#define SEQ_CIDMODE   10
+#define SEQ_UMMODE    11
+
+
+// 100: init, 200: dle0, 250:dle1, 300: get cid (dial), 350: "hup" (no cid), 400: hup, 500: reset, 600: dial, 700: ring
+struct reply_t gigaset_tab_nocid_m10x[]= /* with dle mode */
+{
+        /* resp_code, min_ConState, max_ConState, parameter, new_ConState, timeout, action, command */
+
+        /* initialize device, set cid mode if possible */
+        //{RSP_INIT,     -1, -1,100,                900, 0, {ACT_TEST}},
+        //{RSP_ERROR,   900,900, -1,                  0, 0, {ACT_FAILINIT}},
+        //{RSP_OK,      900,900, -1,                100, INIT_TIMEOUT,
+        //                                                  {ACT_TIMEOUT}},
+
+        {RSP_INIT,     -1, -1,SEQ_INIT,           100, INIT_TIMEOUT,
+                                                          {ACT_TIMEOUT}},                /* wait until device is ready */
+
+        {EV_TIMEOUT,  100,100, -1,                101, 3, {0},             "Z\r"},       /* device in transparent mode? try to initialize it. */
+        {RSP_OK,      101,103, -1,                120, 5, {ACT_GETSTRING}, "+GMR\r"},    /* get version */
+
+        {EV_TIMEOUT,  101,101, -1,                102, 5, {0},             "Z\r"},       /* timeout => try once again. */
+        {RSP_ERROR,   101,101, -1,                102, 5, {0},             "Z\r"},       /* error => try once again. */
+
+        {EV_TIMEOUT,  102,102, -1,                108, 5, {ACT_SETDLE1},   "^SDLE=0\r"}, /* timeout => try again in DLE mode. */
+        {RSP_OK,      108,108, -1,                104,-1},
+        {RSP_ZDLE,    104,104,  0,                103, 5, {0},             "Z\r"},
+        {EV_TIMEOUT,  104,104, -1,                  0, 0, {ACT_FAILINIT}},
+        {RSP_ERROR,   108,108, -1,                  0, 0, {ACT_FAILINIT}},
+