diff src/g23m-gsm/alr2/alr_dedi.c @ 2:3a14ee9a9843

src/g23m-gsm: same alr2 & alr3 structure as in Selenite
author Mychaela Falconia <falcon@freecalypso.org>
date Fri, 16 Oct 2020 06:29:12 +0000
parents
children
line wrap: on
line diff
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/src/g23m-gsm/alr2/alr_dedi.c	Fri Oct 16 06:29:12 2020 +0000
@@ -0,0 +1,2411 @@
+/*
++-----------------------------------------------------------------------------
+|  Project :  GSM-PS
+|  Modul   :  alr_DEDI
++-----------------------------------------------------------------------------
+|  Copyright 2002 Texas Instruments Berlin, AG
+|                 All rights reserved.
+|
+|                 This file is confidential and a trade secret of Texas
+|                 Instruments Berlin, AG
+|                 The receipt of or possession of this file does not convey
+|                 any rights to reproduce or disclose its contents or to
+|                 manufacture, use, or sell anything it may describe, in
+|                 whole, or in part, without the specific written consent of
+|                 Texas Instruments Berlin, AG.
++-----------------------------------------------------------------------------
+|  Purpose :  This Modul defines the SDL process Dedicated_Control.
++-----------------------------------------------------------------------------
+*/
+
+#ifndef ALR_DEDI_C
+#define ALR_DEDI_C
+
+#define ENTITY_PL
+
+/*==== INCLUDES ===================================================*/
+#include <string.h>
+#include <stdlib.h>
+#include <ctype.h>
+#include "typedefs.h"
+#include "pconst.cdg"
+#include "mconst.cdg"
+#include "message.h"
+#include "ccdapi.h"
+#include "vsi.h"
+#include "custom.h"
+#include "gsm.h"
+#include "prim.h"
+#include "cnf_alr.h"
+#include "mon_alr.h"
+#include "pei.h"
+#include "tok.h"
+
+#include "pcm.h"
+#ifdef GPRS
+#include "alr_gprs.h"
+#endif
+
+#include "alr.h"
+#include "alr_em.h"
+
+/*=== Constrains =======================================*/
+
+#define TCH_F_INDEX 1
+
+/*==== EXPORT =====================================================*/
+/*==== PRIVAT =====================================================*/
+LOCAL UBYTE dedi_channel_mode (UBYTE channel_mode, UBYTE channel_type);
+LOCAL void dedi_convert_chan_desc (T_channel_desc * channel_desc);
+LOCAL void dedi_convert_frequency_list (T_frequency_list * frequency_list);
+LOCAL UBYTE dedi_conversion_needed (void);
+LOCAL void dedi_chan_ass_fail (void);
+LOCAL void dedi_pdch_ass_fail (void);
+LOCAL void dedi_cco_fail (void);
+LOCAL void dedi_handover_fail (void);
+LOCAL void dedi_async_handover (T_MPH_DEDICATED_REQ *dedicated_req);
+LOCAL void dedi_chan_ass (T_MPH_DEDICATED_REQ *dedicated_req);
+LOCAL void dedi_fill_ma (USHORT *ma, T_frequency_list *rf);
+LOCAL void dedi_imm_ass (T_MPH_DEDICATED_REQ *dedicated_req);
+LOCAL void dedi_pdch_ass (T_MPH_DEDICATED_REQ *dedicated_req);
+LOCAL void dedi_pre_sync_handover (T_MPH_DEDICATED_REQ *dedicated_req);
+LOCAL void dedi_sync_handover (T_MPH_DEDICATED_REQ *dedicated_req);
+
+/*==== VARIABLES ==================================================*/
+LOCAL UBYTE actual_channel;
+
+/*==== FUNCTIONS ==================================================*/
+
+#if defined (WIN32)
+#define TRACING
+#endif
+
+#if defined (TRACING)
+#define ALR_TRACE_DEDI(a)  ALR_TRACE(a)
+#else
+#define ALR_TRACE_DEDI(a)
+#endif
+
+#if defined (TRACING)
+#define ALR_TRACE_DEDI_DTX(a1)      TRACE_EVENT_P1 ("DTX = %d", a1);
+#define ALR_TRACE_DEDI_PARA(h, rf, _ch, sub, _tno, _tsc, _ta, _st, _dtx, _maio)\
+  {if (h){\
+    TRACE_EVENT_P9 ("immass:hop[%04x] ch/s=%u/%u tno=%u tsc=%u ta=%u st=%u dtx=%u maio=%u",\
+      rf, _ch, sub, _tno, _tsc, _ta, _st, _dtx, _maio);\
+  }else{\
+    TRACE_EVENT_P9 ("immass:[%u] ch/s=%u/%u tno=%u tsc=%u ta=%u st=%u dtx=%u maio=%u",\
+      rf, _ch, sub, _tno, _tsc, _ta, _st, _dtx, _maio);}}
+#define ALR_TRACE_DEDI_HO_1(p1,p2,p3,p4,p5,p6)  \
+                             TRACE_EVENT_P6 ("d rf=%d bsic=%d sti=%d ch2=%d ch=%d tsc=%d",\
+                               p1, p2, p3, p4, p5, p6)
+#define ALR_TRACE_DEDI_HO_2(p1,p2,p3,p4,p5,p6) \
+                             TRACE_EVENT_P6 ("d tn=%d arf=%d pow=%d ref=%d acc=%d nci=%d", \
+                               p1, p2, p3, p4, p5, p6)
+#define ALR_TRACE_DEDI_HO_3(p1,p2,p3,p4,p5,p6) \
+                             TRACE_EVENT_P6 ("d mode=%d power=%d dtx=%d rlt=%d tav=%d pwrc=%d", \
+                               p1, p2, p3, p4, p5, p6)
+#define ALR_TRACE_DEDI_HO_4(p1,p2,p3)  \
+                             TRACE_EVENT_P3 ("d mode=%d stat=%d algo=%d", p1, p2, p3);
+#define ALR_TRACE_DEDI_HO_5(p1,p2,p3,p4,p5,p6) \
+                             TRACE_EVENT_P6 ("a h=%d maio=0x%x hsn=%d chty=%d subch=%d tno=%d", \
+                               p1, p2, p3, p4, p5, p6)
+#define ALR_TRACE_DEDI_HO_6(p1,p2,p3,p4,p5,p6) \
+                             TRACE_EVENT_P6 ("a tsc=%d txpwr=%d ho_acc=%d sti_p=%d ncc=%d bcc=%d", \
+                               p1, p2, p3, p4, p5, p6)
+#define ALR_TRACE_DEDI_HO_7(p1,p2,p3,p4) \
+                             TRACE_EVENT_P4 ("a rf=%d chmo1=%d ciphmo=%d a5=%d", \
+                               p1, p2, p3, p4)
+#define ALR_TRACE_DEDI_FREQ_LIST() TRACE_EVENT_P2 ("HOP = %d %d", \
+                               frequency_list->rf_chan_no.radio_freq[j], \
+                               ARFCN_TO_L1 (frequency_list->rf_chan_no.radio_freq[j]))
+
+#else
+
+#define ALR_TRACE_DEDI_DTX(d)
+#define ALR_TRACE_DEDI_PARA(hop,p1,p2,p3,p4,p5,p6,p7,p8,p9)
+#define ALR_TRACE_DEDI_HO_1(p1,p2,p3,p4,p5,p6)
+#define ALR_TRACE_DEDI_HO_2(p1,p2,p3,p4,p5,p6)
+#define ALR_TRACE_DEDI_HO_3(p1,p2,p3,p4,p5,p6)
+#define ALR_TRACE_DEDI_HO_4(p1,p2,p3)
+#define ALR_TRACE_DEDI_HO_5(p1,p2,p3,p4,p5,p6)
+#define ALR_TRACE_DEDI_HO_6(p1,p2,p3,p4,p5,p6)
+#define ALR_TRACE_DEDI_HO_7(p1,p2,p3,p4)
+#define ALR_TRACE_DEDI_FREQ_LIST()
+
+#endif
+
+
+
+/*
++--------------------------------------------------------------------+
+| PROJECT : GSM-PS (8403)       MODULE  : ALR_DEDI                   |
+| STATE   : code                ROUTINE : dedi_init                  |
++--------------------------------------------------------------------+
+
+  PURPOSE : Initialize Dedicated Control Process.
+
+*/
+
+GLOBAL void dedi_init (void)
+{
+  alr_data->state[STATE_DEDI] = DEDI_INACTIVE;
+}
+
+
+
+/*
++--------------------------------------------------------------------+
+| PROJECT : GSM-PS (8403)       MODULE  : ALR_DEDI                   |
+| STATE   : code                ROUTINE : dedi_req                   |
++--------------------------------------------------------------------+
+
+  PURPOSE : Process signal dedi_req from SDL process Main_Control.
+            RR configures a dedicated channel.
+
+*/
+
+/*
+ * Conversion Channel Type Air Interface to TI definition
+ */
+
+LOCAL const UBYTE CH_TYPE [16] =
+  {
+    0,           /* undefined        */
+    1,           /* TCH fullrate     */
+    2,           /* TCH halfrate (0) */
+    2,           /* TCH halfrate (1) */
+    3,           /* SDCCH/4 (0)      */
+    3,           /* SDCCH/4 (1)      */
+    3,           /* SDCCH/4 (2)      */
+    3,           /* SDCCH/4 (3)      */
+    4,           /* SDCCH/8 (0)      */
+    4,           /* SDCCH/8 (1)      */
+    4,           /* SDCCH/8 (2)      */
+    4,           /* SDCCH/8 (3)      */
+    4,           /* SDCCH/8 (4)      */
+    4,           /* SDCCH/8 (5)      */
+    4,           /* SDCCH/8 (6)      */
+    4           /* SDCCH/8 (7)      */
+  };
+
+
+/*
+ * Conversion Sub Channel Air Interface to TI definition
+ */
+
+LOCAL const UBYTE SUB_TYPE [16] =
+  {
+    0,           /* undefined        */
+    0,           /* TCH fullrate     */
+    0,           /* TCH halfrate (0) */
+    1,           /* TCH halfrate (1) */
+    0,           /* SDCCH/4 (0)      */
+    1,           /* SDCCH/4 (1)      */
+    2,           /* SDCCH/4 (2)      */
+    3,           /* SDCCH/4 (3)      */
+    0,           /* SDCCH/8 (0)      */
+    1,           /* SDCCH/8 (1)      */
+    2,           /* SDCCH/8 (2)      */
+    3,           /* SDCCH/8 (3)      */
+    4,           /* SDCCH/8 (4)      */
+    5,           /* SDCCH/8 (5)      */
+    6,           /* SDCCH/8 (6)      */
+    7           /* SDCCH/8 (7)      */
+  };
+
+GLOBAL void dedi_req (T_MPH_DEDICATED_REQ * dedicated_req)
+{
+  /*
+   * RR signals which procedure is processed
+   */
+  USHORT  mode = dedicated_req->mod;
+
+  switch (mode)
+  {
+    case MODE_SYS_INFO_CHANGE:
+      /*
+       * Changed values for DTX, PWRC and Radio Link Timeout
+       */
+      ALR_TRACE_DEDI_DTX(dedicated_req->tr_para.dtx);
+
+      nc_update_dedicated (dedicated_req->tr_para.dtx,
+                           dedicated_req->tr_para.pwrc);
+      alr_data->dedi_data.rlt = alr_data->dedi_data.act_rlt = (UBYTE)((dedicated_req->tr_para.rlt + 1) * 4);
+
+      ALR_EM_SET_EM_ACT_RLT;
+
+      break;
+    case MODE_IMM_ASSIGN:
+      /*
+       * Immediate Assignment Procedure
+       */
+      dedi_imm_ass (dedicated_req);
+      break;
+    case MODE_CHAN_ASSIGN:
+      /*
+       * Intracell Handover
+       */
+      dedi_chan_ass (dedicated_req);
+      /*
+       * reset radio link timeout counter
+       */
+      alr_data->dedi_data.act_rlt = alr_data->dedi_data.rlt;
+
+      ALR_EM_SET_EM_ACT_RLT;
+
+      break;
+ #ifdef GPRS
+    case MODE_PDCH_ASSIGN:
+      /*
+       * Packet Data CHannel Assignment
+       */
+      dedi_pdch_ass (dedicated_req);
+      break;
+#endif
+    case MODE_ASYNC_HANDOVER:
+    case MODE_SYNC_HANDOVER:
+    case MODE_PRE_SYNC_HANDOVER:
+      {
+        ULONG dummy1, dummy2;
+        if( nc_get_fn_time(dedicated_req->arfcn, &dummy1, &dummy2) EQ FALSE)
+        {
+          /*
+           * Timing Information not present for the cell
+           */
+          ALR_TRACE_DEDI("Handover to a cell - whose SYNC is not done");
+          ma_dedi_cnf(DEDI_RES_CELL_NOT_SYNC);
+        }
+        else
+        {
+          nc_suspend_handover();
+          switch(mode)
+          {
+            case MODE_ASYNC_HANDOVER:
+              /*
+               * Asynchronous handover
+               */
+              dedi_async_handover (dedicated_req);
+              break;
+            case MODE_SYNC_HANDOVER:
+              /*
+               * Synchronous handover
+               */
+              dedi_sync_handover (dedicated_req);
+              break;
+            case MODE_PRE_SYNC_HANDOVER:
+              /*
+               * Pre-synchronous handover
+               */
+              dedi_pre_sync_handover (dedicated_req);
+              break;
+            default :
+              break;
+          }
+          alr_data->dedi_data.act_rlt = alr_data->dedi_data.rlt;
+          ALR_EM_SET_EM_ACT_RLT;
+        }
+      }
+      break;
+    default:
+      break;
+  }
+}
+
+/*
++--------------------------------------------------------------------+
+| PROJECT : GSM-PS (8403)       MODULE  : ALR_DEDI                   |
+| STATE   : code                ROUTINE : dedi_fail_req              |
++--------------------------------------------------------------------+
+
+  PURPOSE : Process signal dedi_fail_req from SDL process Main_Control.
+            RR signals that going back to the old channel after channel
+            assignment or handover is necessary.
+
+*/
+
+GLOBAL void dedi_fail_req (void)
+{
+  /*
+   * RR signals which procedure is running
+   */
+  switch (alr_data->dedi_data.act_mode)
+  {
+    case MODE_CHAN_ASSIGN:
+      /*
+       * channel assignment procedure
+       */
+      dedi_chan_ass_fail ();
+      break;
+    case MODE_PDCH_ASSIGN:
+      dedi_pdch_ass_fail();
+      break;
+    case MODE_CELL_CHANGE_ORDER:
+      dedi_cco_fail();
+      break;
+    case MODE_ASYNC_HANDOVER:
+    case MODE_SYNC_HANDOVER:
+    case MODE_PRE_SYNC_HANDOVER:
+    case MODE_PSEUDO_SYNC_HANDOVER:
+      /*
+       * one of the handover procedures
+       */
+      dedi_handover_fail ();
+      break;
+    default:
+      break;
+  }
+}
+
+/*
++--------------------------------------------------------------------+
+| PROJECT : GSM-PS (8403)       MODULE  : ALR_DEDI                   |
+| STATE   : code                ROUTINE : dedi_ta_fail_ind           |
++--------------------------------------------------------------------+
+
+  PURPOSE : Process signal dedi_ta_fail_ind from SDL process
+            Main_Control.
+            Layer 1 signals that the timing advance is out of
+            range during handover. This will be forwarded to RR and
+            switching back to the old channel is initiated by RR.
+
+*/
+
+GLOBAL void dedi_ta_fail_ind (void)
+{
+  ma_dedi_cnf (DEDI_RES_TA_OUT_OF_RANGE);
+}
+
+/*
++--------------------------------------------------------------------+
+| PROJECT : GSM-PS (8403)       MODULE  : ALR_DEDI                   |
+| STATE   : code                ROUTINE : dedi_ho_finished           |
++--------------------------------------------------------------------+
+
+  PURPOSE : Process signal dedi_ho_finished from SDL process
+            Main_Control.
+            Layer 1 signals that the handover has finished successful.
+            This is forwarded to RR which starts resumption of the
+            link on the new channel.
+
+*/
+
+GLOBAL void dedi_ho_finished (UBYTE cause)
+{
+  ma_clean_dedi_sys_buffer ();
+  if (cause EQ 0)
+  {
+    ALR_TRACE_DEDI ("ho ok");
+
+    /*
+     * handover successfull
+     */
+    ma_dedi_cnf (DEDI_RES_OK);
+  }
+  else
+  {
+    ALR_TRACE_DEDI ("ho fail");
+
+    /*
+     * handover failed
+     */
+    nc_update_list (alr_data->dedi_data.old_bcch);
+    ma_dedi_cnf (DEDI_RES_TIMEOUT);
+  }
+}
+
+/*
++--------------------------------------------------------------------+
+| PROJECT : GSM-PS (8403)       MODULE  : ALR_DEDI                   |
+| STATE   : code                ROUTINE : dedi_chan_ass_fail         |
++--------------------------------------------------------------------+
+
+  PURPOSE : Process Channel Assignment Failure (back to old
+            dedicated channel).
+            In fact this is a new configuration of the layer 1. The
+            parameters of the old channel are stored in TI++.
+
+*/
+
+LOCAL void dedi_chan_ass_fail (void)
+{
+  PALLOC (chan_ass, MPHC_CHANNEL_ASSIGN_REQ);
+
+  memset (chan_ass, 0, sizeof (T_MPHC_CHANNEL_ASSIGN_REQ));
+
+  if (alr_data->dedi_data.redef_starting_time.start_time_present)
+  {
+    /*
+     * Special case: frequency redefinition values ares stored.
+     */
+    memcpy (&chan_ass->channel_desc_1,
+            &alr_data->dedi_data.redef_channel_desc,
+            sizeof (T_channel_desc));
+    memcpy (&chan_ass->frequency_list,
+            &alr_data->dedi_data.redef_frequency_list,
+            sizeof (T_frequency_list));
+    memcpy (&chan_ass->channel_desc_1_bef_sti,
+            &alr_data->dedi_data.old_channel_desc,
+            sizeof (T_channel_desc));
+    memcpy (&chan_ass->frequency_list_bef_sti,
+            &alr_data->dedi_data.old_frequency_list,
+            sizeof (T_frequency_list));
+    memcpy (&chan_ass->starting_time,
+            &alr_data->dedi_data.redef_starting_time,
+            sizeof (T_starting_time));
+
+    /*
+     * convert channel numbers if needed
+     */
+    if (dedi_conversion_needed ())
+    {
+      dedi_convert_chan_desc ((T_channel_desc *)&chan_ass->channel_desc_1);
+      dedi_convert_frequency_list (&chan_ass->frequency_list);
+      dedi_convert_chan_desc ((T_channel_desc *)&chan_ass->channel_desc_1_bef_sti);
+      dedi_convert_frequency_list ((T_frequency_list *)&chan_ass->frequency_list_bef_sti);
+    }
+  }
+  else
+  {
+    /*
+     * Normal case
+     */
+    memcpy (&chan_ass->channel_desc_1,
+            &alr_data->dedi_data.old_channel_desc,
+            sizeof (T_channel_desc));
+    memcpy (&chan_ass->frequency_list,
+            &alr_data->dedi_data.old_frequency_list,
+            sizeof (T_frequency_list));
+
+	/*
+     * convert channel numbers if needed
+     */
+    if (dedi_conversion_needed ())
+    {
+      dedi_convert_chan_desc ((T_channel_desc *)&chan_ass->channel_desc_1);
+      dedi_convert_frequency_list (&chan_ass->frequency_list);
+    }
+  }
+
+  chan_ass->txpwr = alr_data->dedi_data.old_power;
+  chan_ass->cipher_mode = alr_data->dedi_data.old_cipher_mode;
+  chan_ass->channel_mode_1 = alr_data->dedi_data.old_channel_mode;
+  chan_ass->a5_algorithm = alr_data->dedi_data.old_a5_algorithm;
+  chan_ass->cipher_key = alr_data->dedi_data.old_cipher_key;
+  chan_ass->dtx_allowed = alr_data->dedi_data.old_dtx_allowed;
+  chan_ass->amr_configuration = alr_data->dedi_data.old_amr_configuration;
+
+  /*
+   * store actual channel for layer 2 channel decision
+   */
+  actual_channel = alr_data->dedi_data.old_channel;
+
+  /*
+   * store actual channel parameter in ALR. In fact they are
+   * the old values.
+   */
+  if (alr_data->dedi_data.redef_starting_time.start_time_present)
+  {
+    /*
+     * Special case: frequency redefinition values ares stored.
+     */
+    memcpy (&alr_data->dedi_data.act_channel_desc,
+            &alr_data->dedi_data.redef_channel_desc,
+            sizeof (T_channel_desc));
+    memcpy (&alr_data->dedi_data.act_frequency_list,
+            &alr_data->dedi_data.redef_frequency_list,
+            sizeof (T_frequency_list));
+  }
+  else
+  {
+    /*
+     * Normal case
+     */
+    memcpy (&alr_data->dedi_data.act_channel_desc,
+            &alr_data->dedi_data.old_channel_desc,
+            sizeof (T_channel_desc));
+    memcpy (&alr_data->dedi_data.act_frequency_list,
+            &alr_data->dedi_data.old_frequency_list,
+            sizeof (T_frequency_list));
+  }
+  alr_data->dedi_data.act_power = alr_data->dedi_data.old_power;
+  alr_data->dedi_data.act_cipher_mode = alr_data->dedi_data.old_cipher_mode;
+  alr_data->dedi_data.act_channel_mode = alr_data->dedi_data.old_channel_mode;
+  alr_data->dedi_data.act_a5_algorithm = alr_data->dedi_data.old_a5_algorithm;
+  alr_data->dedi_data.act_cipher_key = alr_data->dedi_data.old_cipher_key;
+  alr_data->dedi_data.act_dtx_allowed = alr_data->dedi_data.old_dtx_allowed;
+  alr_data->dedi_data.act_amr_configuration = alr_data->dedi_data.old_amr_configuration;
+  alr_data->dedi_data.act_mode = MODE_CHAN_ASS_FAIL;
+
+  /*
+   * send data to layer 1
+   */
+  ma_dedi_chan_ass_req (chan_ass);
+}
+
+/*
++--------------------------------------------------------------------+
+| PROJECT : GSM-PS (8403)       MODULE  : alr_dedi                   |
+| STATE   : code                ROUTINE : dedi_pdch_ass_fail         |
++--------------------------------------------------------------------+
+
+  PURPOSE : PDCH Assignment Failure (back to old
+            dedicated channel).
+
+         Use the channel configuration in alr_data->dedi_data.act* with
+         MPHC-IMMED-ASSIGN-REQ. With the subsequent MPHC-IMMED-ASSIGN-CON
+         alr_data->dedi_data.temp* is NOT assigned to alr_data->dedi_data.act*,
+         refer to function dedi_imm_ass_cnf.
+         The actual switch back to the original channel is performed via
+         a channel assignment procedure carried out by dedi_chan_ass_fail
+         which is called in dedi_imm_ass_cnf.
+*/
+
+LOCAL void dedi_pdch_ass_fail (void)
+{
+  T_DEDI_DATA *d = &alr_data->dedi_data;
+  PALLOC (immed_assign_req, MPHC_IMMED_ASSIGN_REQ);
+
+  memset ( immed_assign_req, 0 , sizeof *immed_assign_req );
+
+  immed_assign_req->channel_desc           =  d->old_channel_desc;
+  immed_assign_req->timing_advance         =  (UBYTE)alr_data->nc_data.tav;
+  immed_assign_req->frequency_list         =  d->old_frequency_list;
+  immed_assign_req->starting_time          =  d->old_starting_time;
+  immed_assign_req->frequency_list_bef_sti =  d->old_frequency_list_bef_sti;
+  immed_assign_req->maio_bef_sti           =  d->old_channel_desc.chan_sel.rf_channel.maio;
+/*
+  immed_assign_req->bcch_allocation        =  ... not used in current implementation
+  immed_assign_req->ba_id                  =  ... not used in current implementation
+*/
+  immed_assign_req->dtx_allowed            =  d->old_dtx_allowed;
+  immed_assign_req->pwrc                   =  d->old_pwrc;
+
+  SET_STATE (STATE_DEDI, DEDI_IMM_ASS_RECONN);
+  PSENDX (L1, immed_assign_req);
+}
+
+/*
++--------------------------------------------------------------------+
+| PROJECT : GSM-PS (8403)       MODULE  : alr_dedi                   |
+| STATE   : code                ROUTINE : dedi_cco_fail              |
++--------------------------------------------------------------------+
+
+  PURPOSE : Cell Change Order Failure (back to old
+            dedicated channel).
+
+*/
+
+LOCAL void dedi_cco_fail (void)
+{
+  dedi_pdch_ass_fail();
+}
+
+/*
++--------------------------------------------------------------------+
+| PROJECT : GSM-PS (8403)       MODULE  : alr_DEDI                   |
+| STATE   : code                ROUTINE : dedi_handover_fail         |
++--------------------------------------------------------------------+
+
+  PURPOSE : Process Handover Failure (back to old
+            dedicated channel).
+            For handover switching back is carried out
+            autonomously by layer 1. Only the configuration
+            data in ALR is updated to the parameters of the
+            old channel.
+
+*/
+
+LOCAL void dedi_handover_fail (void)
+{
+
+  /*
+   * store actual channel value for layer 2 channel selection
+   */
+  actual_channel = alr_data->dedi_data.old_channel;
+
+  /*
+   * update actual channel parameters to the old values
+   */
+  alr_data->serving_cell = alr_data->dedi_data.act_bcch = alr_data->dedi_data.old_bcch;
+  alr_data->dedi_data.act_channel_desc = alr_data->dedi_data.old_channel_desc;
+  alr_data->dedi_data.act_frequency_list = alr_data->dedi_data.old_frequency_list;
+  alr_data->dedi_data.act_cipher_mode = alr_data->dedi_data.old_cipher_mode;
+  alr_data->dedi_data.act_channel_mode = alr_data->dedi_data.old_channel_mode;
+  alr_data->dedi_data.act_a5_algorithm = alr_data->dedi_data.old_a5_algorithm;
+  alr_data->dedi_data.act_cipher_key = alr_data->dedi_data.old_cipher_key;
+  alr_data->dedi_data.act_amr_configuration = alr_data->dedi_data.old_amr_configuration;
+  alr_data->dedi_data.act_mode = MODE_HANDOVER_FAIL;
+
+  /*
+   * Inform layer 1 about handover failure
+   */
+  nc_suspend_handover();
+  ma_dedi_ho_fail_req ();
+}
+
+/*
++--------------------------------------------------------------------+
+| PROJECT : GSM-PS (8403)       MODULE  : alr_DEDI                   |
+| STATE   : code                ROUTINE : dedi_imm_ass               |
++--------------------------------------------------------------------+
+
+  PURPOSE : Converts MPH_DEDICATED_REQ to MPHC_IMMED_ASSIGN_REQ.
+            This function is used during Immediate Assignment procedure.
+
+*/
+
+LOCAL void dedi_imm_ass (T_MPH_DEDICATED_REQ *dedicated_req)
+{
+  T_DEDI_DATA *dd = &alr_data->dedi_data;
+  PALLOC (imm_ass, MPHC_IMMED_ASSIGN_REQ); /* T_MPHC_IMMED_ASSIGN_REQ */
+
+  ALR_EM_CONFIGURE_IMMIDIATE_ASSIGNMENT;
+
+  memset (imm_ass, 0, sizeof (T_MPHC_IMMED_ASSIGN_REQ));
+  if (dedicated_req->ch_type.h EQ 1)
+  {
+    /*
+     * with frequency hopping
+     */
+    imm_ass->channel_desc.chan_sel.h = 1;
+    imm_ass->channel_desc.chan_sel.rf_channel.maio =
+      dedicated_req->ch_type.maio;
+    imm_ass->channel_desc.chan_sel.rf_channel.hsn =
+      dedicated_req->ch_type.hsn;
+    dedi_fill_ma (dedicated_req->ch_type.ma, &imm_ass->frequency_list);
+    dedi_fill_ma (dedicated_req->ch_type2.ma,
+                  (T_frequency_list *)&imm_ass->frequency_list_bef_sti);
+  }
+  else
+  {
+    ALR_TRACE_DEDI ("no hopping");
+    /*
+     * Avoid the union, arfcn is mapped to maio and hsn
+     * in the non-hopping case.
+     */
+    imm_ass->channel_desc.chan_sel.h = 0;
+    imm_ass->channel_desc.chan_sel.rf_channel.maio =
+      (UBYTE)(dedicated_req->ch_type.arfcn & 0xFF);
+    imm_ass->channel_desc.chan_sel.rf_channel.hsn =
+      (UBYTE)((dedicated_req->ch_type.arfcn >> 8) & 0xFF);
+  }
+
+  /*
+   * set the actual channel for layer 2 channel selection
+   */
+  actual_channel = imm_ass->channel_desc.channel_type =
+                    CH_TYPE [dedicated_req->ch_type.ch];
+  /*
+   * set the rest of parameters
+   */
+  imm_ass->channel_desc.sub_channel           = SUB_TYPE [dedicated_req->ch_type.ch];
+  imm_ass->channel_desc.timeslot_no           = dedicated_req->ch_type.tn;
+  imm_ass->channel_desc.tsc                   = dedicated_req->ch_type.tsc;
+  imm_ass->timing_advance                     = dedicated_req->tr_para.tav;
+  nc_store_tav(dedicated_req->tr_para.tav);
+  imm_ass->starting_time.start_time_present   = dedicated_req->start.v_start;
+  imm_ass->starting_time.start_time.t1        = dedicated_req->start.t1;
+  imm_ass->starting_time.start_time.t3        = dedicated_req->start.t3;
+  imm_ass->starting_time.start_time.t2        = dedicated_req->start.t2;
+  imm_ass->maio_bef_sti                       = dedicated_req->ch_type2.maio;
+  imm_ass->dtx_allowed                        = dedicated_req->tr_para.dtx;
+  /*
+   * calculate radio link timeout value
+   */
+  dd->rlt = dd->act_rlt = (UBYTE)((dedicated_req->tr_para.rlt + 1) * 4);
+
+  ALR_EM_SET_EM_ACT_RLT_2;
+
+  memset (&imm_ass->bcch_allocation, 0, sizeof (T_bcch_allocation));
+  imm_ass->ba_id = ALR_BA_LOW;
+  imm_ass->pwrc = dedicated_req->tr_para.pwrc;
+  /*
+   * store new parameters as temporary channel configuration
+   */
+  dd->temp_bcch                      = dedicated_req->arfcn;
+  dd->temp_channel_desc              = imm_ass->channel_desc;
+  dd->temp_channel_mode              = dedi_channel_mode (MODE_SIG_ONLY, 0);
+  dd->temp_frequency_list            = imm_ass->frequency_list;
+  dd->temp_starting_time             = imm_ass->starting_time;
+  dd->temp_frequency_list_bef_sti    = imm_ass->frequency_list_bef_sti;
+  dd->temp_channel_desc_bef_sti      = imm_ass->channel_desc;
+  dd->temp_channel_desc_bef_sti.chan_sel.rf_channel.maio
+                                                     = imm_ass->maio_bef_sti;
+  dd->temp_pwrc                      = imm_ass->pwrc;
+  dd->temp_cipher_mode               = CI_NO_CIPHERING;
+  dd->temp_a5_algorithm              = 0;
+  memset ( &dd->temp_cipher_key, 0, sizeof (T_cipher_key) );
+
+  SET_STATE (STATE_DEDI, DEDI_IMM_ASS);
+
+  /*
+   * convert channel numbers if needed
+   */
+  if (dedi_conversion_needed ())
+  {
+    dedi_convert_chan_desc (&imm_ass->channel_desc);
+    dedi_convert_frequency_list (&imm_ass->frequency_list);
+    dedi_convert_frequency_list ((T_frequency_list *)&imm_ass->frequency_list_bef_sti);
+  }
+
+  /*
+   * send parameters to layer 1
+   */
+  ALR_TRACE_DEDI_PARA(imm_ass->channel_desc.chan_sel.h,
+                      imm_ass->channel_desc.chan_sel.rf_channel.maio+
+                      (imm_ass->channel_desc.chan_sel.rf_channel.hsn<<8),
+                      imm_ass->channel_desc.channel_type,
+                      imm_ass->channel_desc.sub_channel,
+                      imm_ass->channel_desc.timeslot_no,
+                      imm_ass->channel_desc.tsc,
+                      imm_ass->timing_advance,
+                      imm_ass->starting_time.start_time_present,
+                      imm_ass->dtx_allowed,
+                      imm_ass->maio_bef_sti);
+
+  ma_dedi_imm_ass_req (imm_ass);
+}
+
+/*
++--------------------------------------------------------------------+
+| PROJECT : GSM-PS (8403)       MODULE  : alr_DEDI                   |
+| STATE   : code                ROUTINE : dedi_chan_ass              |
++--------------------------------------------------------------------+
+
+  PURPOSE : Converts MPH_DEDICATED_REQ to MPHC_CHANNEL_ASSIGN_REQ.
+            This function is used during channel assignment procedure.
+
+*/
+
+LOCAL void dedi_chan_ass (T_MPH_DEDICATED_REQ *dedicated_req)
+{
+  int i;
+  PALLOC (chan_ass, MPHC_CHANNEL_ASSIGN_REQ);
+
+  ALR_EM_CONFIGURE_CHANNEL_ASSIGNMENT;
+
+  memset (chan_ass, 0, sizeof (T_MPHC_CHANNEL_ASSIGN_REQ));
+
+  if (dedicated_req->ch_type.h EQ 1)
+  {
+    /*
+     * with frequency hopping
+     */
+    chan_ass->channel_desc_1.chan_sel.h = 1;
+    chan_ass->channel_desc_1.chan_sel.rf_channel.maio =
+      dedicated_req->ch_type.maio;
+    chan_ass->channel_desc_1.chan_sel.rf_channel.hsn =
+      dedicated_req->ch_type.hsn;
+    dedi_fill_ma (dedicated_req->ch_type.ma,
+                  &chan_ass->frequency_list);
+  }
+  else
+  {
+    /*
+     * Avoid the union in the non-hopping case and
+     * map arfcn to maio and hsn.
+     */
+    chan_ass->channel_desc_1.chan_sel.h = 0;
+    chan_ass->channel_desc_1.chan_sel.rf_channel.maio =
+      (UBYTE)(dedicated_req->ch_type.arfcn & 0xFF);
+    chan_ass->channel_desc_1.chan_sel.rf_channel.hsn =
+      (UBYTE)((dedicated_req->ch_type.arfcn >> 8) & 0xFF);
+  }
+  /*
+   * fill the layer 1 structure
+   */
+  alr_data->dedi_data.temp_channel =
+    chan_ass->channel_desc_1.channel_type =
+      CH_TYPE [dedicated_req->ch_type.ch];
+  chan_ass->channel_desc_1.sub_channel =
+    SUB_TYPE [dedicated_req->ch_type.ch];
+  chan_ass->channel_desc_1.timeslot_no = dedicated_req->ch_type.tn;
+  chan_ass->channel_desc_1.tsc = dedicated_req->ch_type.tsc;
+  chan_ass->txpwr = cut_power_value (dedicated_req->tr_para.power,
+                                     dedicated_req);
+  chan_ass->channel_mode_1 = dedi_channel_mode(dedicated_req->tr_para.mode,
+                             alr_data->dedi_data.temp_channel);
+  chan_ass->amr_configuration.noise_suppression_control_bit = dedicated_req->amr_conf.nscb;
+  chan_ass->amr_configuration.initial_codec_mode_indicator  = dedicated_req->amr_conf.icmi;
+  chan_ass->amr_configuration.initial_codec_mode            = dedicated_req->amr_conf.st_mode;
+  chan_ass->amr_configuration.active_codec_set              = dedicated_req->amr_conf.acs;
+    /* Traces only needed for IOT session */
+  TRACE_EVENT_P1("*AMR NSCB %d", chan_ass->amr_configuration.noise_suppression_control_bit);
+  TRACE_EVENT_P1("*AMR ICMI %d", chan_ass->amr_configuration.initial_codec_mode_indicator);
+  TRACE_EVENT_P1("*AMR ICM %d",  chan_ass->amr_configuration.initial_codec_mode);
+  TRACE_EVENT_P1("*AMR ACS %d",  chan_ass->amr_configuration.active_codec_set);
+  for (i=0; i<dedicated_req->amr_conf.c_cod_prop; i++)
+  {
+    memcpy(&chan_ass->amr_configuration.threshold[i],  &dedicated_req->amr_conf.cod_prop[i].codec_thr, 1);
+    memcpy(&chan_ass->amr_configuration.hysteresis[i], &dedicated_req->amr_conf.cod_prop[i].codec_hyst, 1);
+    TRACE_EVENT_P2("*AMR threshold[%d] %d",  i, chan_ass->amr_configuration.threshold[i]);
+    TRACE_EVENT_P2("*AMR hysteresis[%d] %d", i, chan_ass->amr_configuration.hysteresis[i]);
+  }
+  chan_ass->starting_time.start_time_present =
+    dedicated_req->start.v_start;
+  chan_ass->starting_time.start_time.t1 =
+    dedicated_req->start.t1;
+  chan_ass->starting_time.start_time.t3 =
+    dedicated_req->start.t3;
+  chan_ass->starting_time.start_time.t2 =
+    dedicated_req->start.t2;
+
+  if (dedicated_req->ch_type2.ch NEQ NOT_PRESENT_8BIT)
+  {
+
+    if (dedicated_req->ch_type2.h EQ 1)
+    {
+      chan_ass->channel_desc_1_bef_sti.chan_sel.h = 1;
+      chan_ass->channel_desc_1_bef_sti.chan_sel.rf_channel.maio =
+        dedicated_req->ch_type2.maio;
+      chan_ass->channel_desc_1_bef_sti.chan_sel.rf_channel.hsn =
+        dedicated_req->ch_type2.hsn;
+      dedi_fill_ma (dedicated_req->ch_type2.ma,
+                    (T_frequency_list *)&chan_ass->frequency_list_bef_sti);
+    }
+    else
+    {
+      /*
+       * Avoid the union !!!
+       */
+      chan_ass->channel_desc_1_bef_sti.chan_sel.h = 0;
+      chan_ass->channel_desc_1_bef_sti.chan_sel.rf_channel.maio =
+        (UBYTE)(dedicated_req->ch_type2.arfcn & 0xFF);
+      chan_ass->channel_desc_1_bef_sti.chan_sel.rf_channel.hsn =
+        (UBYTE)((dedicated_req->ch_type2.arfcn >> 8) & 0xFF);
+    }
+    chan_ass->channel_desc_1_bef_sti.channel_type =
+      CH_TYPE [dedicated_req->ch_type2.ch];
+    chan_ass->channel_desc_1_bef_sti.sub_channel =
+      SUB_TYPE [dedicated_req->ch_type2.ch];
+    chan_ass->channel_desc_1_bef_sti.timeslot_no =
+      dedicated_req->ch_type2.tn;
+    chan_ass->channel_desc_1_bef_sti.tsc =
+      dedicated_req->ch_type2.tsc;
+  }
+  chan_ass->cipher_mode = dedicated_req->ciph.stat;
+  chan_ass->a5_algorithm = dedicated_req->ciph.algo;
+  memcpy (&chan_ass->cipher_key, dedicated_req->ciph.kc, sizeof(T_cipher_key));
+  chan_ass->dtx_allowed = dedicated_req->tr_para.dtx;
+
+  /*
+   * store the new configuration as temporary configuration
+   */
+  alr_data->dedi_data.temp_bcch = dedicated_req->arfcn;
+  memcpy (&alr_data->dedi_data.temp_channel_desc,
+          &chan_ass->channel_desc_1,
+          sizeof (T_channel_desc));
+  alr_data->dedi_data.temp_channel_mode = chan_ass->channel_mode_1;
+  alr_data->dedi_data.temp_frequency_list = chan_ass->frequency_list;
+  alr_data->dedi_data.temp_cipher_mode = chan_ass->cipher_mode;
+  alr_data->dedi_data.temp_a5_algorithm = chan_ass->a5_algorithm;
+  alr_data->dedi_data.temp_cipher_key = chan_ass->cipher_key;
+  alr_data->dedi_data.temp_power = chan_ass->txpwr;
+  alr_data->dedi_data.temp_dtx_allowed = chan_ass->dtx_allowed;
+  alr_data->dedi_data.act_mode = MODE_CHAN_ASSIGN;
+  alr_data->dedi_data.temp_amr_configuration = chan_ass->amr_configuration;
+
+  /*
+   * convert channel numbers if needed
+   */
+  if (dedi_conversion_needed ())
+  {
+    dedi_convert_chan_desc ((T_channel_desc *)&chan_ass->channel_desc_1);
+    dedi_convert_chan_desc ((T_channel_desc *)&chan_ass->channel_desc_1_bef_sti);
+    dedi_convert_frequency_list (&chan_ass->frequency_list);
+    dedi_convert_frequency_list ((T_frequency_list *)&chan_ass->frequency_list_bef_sti);
+  }
+
+  /*
+   * inform layer 1 about the new channel configuration
+   */
+  ma_dedi_chan_ass_req (chan_ass);
+}
+
+/*
++--------------------------------------------------------------------+
+| PROJECT : GSM-PS (8403)       MODULE  : alr_dedi                   |
+| STATE   : code                ROUTINE : dedi_pdch_ass              |
++--------------------------------------------------------------------+
+
+  PURPOSE : "Deactivation of previously assigned channels (layer1)"
+            according to GSM 04.18, clause 3.4.19 during a
+            PDCH Assignment procedure.
+
+*/
+
+LOCAL void dedi_pdch_ass (T_MPH_DEDICATED_REQ *dedicated_req)
+{
+  T_DEDI_DATA *d = &alr_data->dedi_data;
+
+  /*
+   * The PDCH Assignment Procedure is similar to the Channel Assignment
+   * Procedure. Both are perfomred in dedicated state in order to switch
+   * to a 'new' channel. "Normal operation" is suspend during the procedure.
+   * In case of failure the old channel is activated and the message
+   * ASSIGNMENT FAILURE is sent.
+   */
+
+  ma_stop_active_procs ( STOP_PCH_READING );
+
+  /* Current state is now DEDI_INACTIVE.
+   * In Layer 1 SDCCH or TCH is stopped. In order to re-activate the channel
+   * (failure to TBF establishment), the Current Channel Configuration must be
+   * stored. This configuration will then be used to re-establish the channel.
+   * The Current Channel Configuration is provided in the last successful
+   * Immediate Assignment, Channel Assignment or Handover in the variables
+   * alr_data->dedi_data.act***. The re-activation can be done with the
+   * Immediate Assignment Procedure followed by a Channel Assignment Procedure.
+   * However there is the prerequisite that L1 must be in Idle Mode to perform
+   * Immediate Assignment. This will be achieved by sending MPH-IDLE-REQ.
+   */
+
+  d->old_channel                = actual_channel;
+  d->old_bcch                   = d->act_bcch;
+  d->old_channel_desc           = d->act_channel_desc;
+  d->old_channel_mode           = d->act_channel_mode;
+  d->old_frequency_list         = d->act_frequency_list;
+  d->old_starting_time          = d->act_starting_time;
+  d->old_frequency_list_bef_sti = d->act_frequency_list_bef_sti;
+  d->old_channel_desc_bef_sti   = d->act_channel_desc_bef_sti;
+  d->old_pwrc                   = d->act_pwrc;
+  d->old_cipher_mode            = d->act_cipher_mode;
+  d->old_a5_algorithm           = d->act_a5_algorithm;
+  d->old_cipher_key             = d->act_cipher_key;
+  d->old_power                  = d->act_power;
+  d->old_dtx_allowed            = d->act_dtx_allowed;  
+
+  /*
+   * Save the activation mode for Resume / Reconnection
+   */
+  alr_data->dedi_data.act_mode = MODE_PDCH_ASSIGN;  
+}
+
+/*
++--------------------------------------------------------------------+
+| PROJECT : GSM-PS (8403)       MODULE  : alr_DEDI                   |
+| STATE   : code                ROUTINE : dedi_async_handover        |
++--------------------------------------------------------------------+
+
+  PURPOSE : Converts MPH_DEDICATED_REQ to MPHC_ASYNC_HO_REQ.
+            This function is used during asynchronous handover.
+
+*/
+
+LOCAL void dedi_async_handover (T_MPH_DEDICATED_REQ * dedicated_req)
+{
+  int i;
+  PALLOC (async, MPHC_ASYNC_HO_REQ);
+
+  ALR_EM_CONFIGURE_HANDOVER(EM_HANDOVER_ASYNC);
+
+  memset (async, 0, sizeof (T_MPHC_ASYNC_HO_REQ));
+  if (dedicated_req->ch_type.h EQ 1)
+  {
+    ALR_TRACE_DEDI ("hopping");
+    /*
+     * new channel with frequency hopping.
+     */
+    async->handover_command.channel_desc_1.chan_sel.h = 1;
+    async->handover_command.channel_desc_1.chan_sel.rf_channel.maio =
+      dedicated_req->ch_type.maio;
+    async->handover_command.channel_desc_1.chan_sel.rf_channel.hsn =
+      dedicated_req->ch_type.hsn;
+    dedi_fill_ma (dedicated_req->ch_type.ma,
+                  &async->handover_command.frequency_list);
+  }
+  else
+  {
+    ALR_TRACE_DEDI ("no hop");
+    /*
+     * Avoid the union in the non-hopping case. Mapping
+     * of arfcn to maio and hsn.
+     */
+    async->handover_command.channel_desc_1.chan_sel.h = 0;
+    async->handover_command.channel_desc_1.chan_sel.rf_channel.maio =
+           (UBYTE)(dedicated_req->ch_type.arfcn & 0xFF);
+    async->handover_command.channel_desc_1.chan_sel.rf_channel.hsn =
+           (UBYTE)((dedicated_req->ch_type.arfcn >> 8) & 0xFF);
+  }
+
+  /*
+   * convert the parameters to the layer 1 structure
+   */
+  alr_data->dedi_data.temp_channel = async->handover_command.channel_desc_1.channel_type = CH_TYPE [dedicated_req->ch_type.ch];
+  async->handover_command.channel_desc_1.sub_channel = SUB_TYPE [dedicated_req->ch_type.ch];
+  async->handover_command.channel_desc_1.timeslot_no = dedicated_req->ch_type.tn;
+  async->handover_command.channel_desc_1.tsc = dedicated_req->ch_type.tsc;
+  async->handover_command.txpwr = cut_power_value (dedicated_req->ho_param.ho_pow, dedicated_req);
+  async->handover_command.ho_acc = dedicated_req->ho_param.ho_ref;
+  async->handover_command.starting_time.start_time_present = dedicated_req->start.v_start;
+  if (dedicated_req->start.v_start)
+  {
+    ALR_TRACE_DEDI ("start time");
+
+    async->handover_command.starting_time.start_time.t1 = dedicated_req->start.t1;
+    async->handover_command.starting_time.start_time.t3 = dedicated_req->start.t3;
+    async->handover_command.starting_time.start_time.t2 = dedicated_req->start.t2;
+  }
+  async->handover_command.cell_description.ncc = (UBYTE)(dedicated_req->bsic >> 3);
+  async->handover_command.cell_description.bcc = (UBYTE)(dedicated_req->bsic & 7);
+  async->handover_command.cell_description.bcch_carrier = ARFCN_TO_L1 (dedicated_req->arfcn);
+  async->handover_command.channel_mode_1 =
+    dedi_channel_mode (dedicated_req->tr_para.mode,
+                       alr_data->dedi_data.temp_channel);
+  async->amr_configuration.noise_suppression_control_bit = dedicated_req->amr_conf.nscb;
+  async->amr_configuration.initial_codec_mode_indicator  = dedicated_req->amr_conf.icmi;
+  async->amr_configuration.initial_codec_mode            = dedicated_req->amr_conf.st_mode;
+  async->amr_configuration.active_codec_set              = dedicated_req->amr_conf.acs;
+  /* Traces only needed for IOT session */
+  TRACE_EVENT_P1("*AMR NSCB %d", async->amr_configuration.noise_suppression_control_bit);
+  TRACE_EVENT_P1("*AMR ICMI %d", async->amr_configuration.initial_codec_mode_indicator);
+  TRACE_EVENT_P1("*AMR ICM %d",  async->amr_configuration.initial_codec_mode);
+  TRACE_EVENT_P1("*AMR ACS %d",  async->amr_configuration.active_codec_set);
+  for (i=0; i<dedicated_req->amr_conf.c_cod_prop; i++)
+  {
+    memcpy(&async->amr_configuration.threshold[i],  &dedicated_req->amr_conf.cod_prop[i].codec_thr, 1);
+    memcpy(&async->amr_configuration.hysteresis[i], &dedicated_req->amr_conf.cod_prop[i].codec_hyst, 1);
+    TRACE_EVENT_P2("*AMR threshold[%d] %d",  i, async->amr_configuration.threshold[i]);
+    TRACE_EVENT_P2("*AMR hysteresis[%d] %d", i, async->amr_configuration.hysteresis[i]);
+  }
+
+
+  if (dedicated_req->start.v_start AND
+      dedicated_req->ch_type2.ch NEQ NOT_PRESENT_8BIT)
+  {
+    ALR_TRACE_DEDI ("bef sti");
+    /*
+     * before starting time elements are available
+     */
+
+    if (dedicated_req->ch_type2.h EQ 1)
+    {
+      async->handover_command.channel_desc_1_bef_sti.chan_sel.h = 1;
+      async->handover_command.channel_desc_1_bef_sti.chan_sel.rf_channel.maio = dedicated_req->ch_type2.maio;
+      async->handover_command.channel_desc_1_bef_sti.chan_sel.rf_channel.hsn = dedicated_req->ch_type2.hsn;
+      dedi_fill_ma (dedicated_req->ch_type2.ma, (T_frequency_list *) &async->handover_command.frequency_list_bef_sti);
+    }
+    else
+    {
+      /*
+       * Avoid the union !!!
+       */
+      async->handover_command.channel_desc_1_bef_sti.chan_sel.h = 0;
+      async->handover_command.channel_desc_1_bef_sti.chan_sel.rf_channel.maio =
+             (UBYTE)(dedicated_req->ch_type2.arfcn & 0xFF);
+      async->handover_command.channel_desc_1_bef_sti.chan_sel.rf_channel.hsn =
+             (UBYTE)((dedicated_req->ch_type2.arfcn >> 8) & 0xFF);
+    }
+
+    async->handover_command.channel_desc_1_bef_sti.channel_type = CH_TYPE [dedicated_req->ch_type2.ch];
+    async->handover_command.channel_desc_1_bef_sti.sub_channel = SUB_TYPE [dedicated_req->ch_type2.ch];
+    async->handover_command.channel_desc_1_bef_sti.timeslot_no = dedicated_req->ch_type2.tn;
+    async->handover_command.channel_desc_1_bef_sti.tsc = dedicated_req->ch_type2.tsc;
+  }
+  async->handover_command.cipher_mode = dedicated_req->ciph.stat;
+  async->handover_command.a5_algorithm = dedicated_req->ciph.algo;
+  memcpy (&async->cipher_key, dedicated_req->ciph.kc, sizeof(T_cipher_key));
+
+  /*
+   * store the new parameters as temporary configuration.
+   */
+  alr_data->dedi_data.temp_bcch = dedicated_req->arfcn;
+  memcpy (&alr_data->dedi_data.temp_channel_desc, &async->handover_command.channel_desc_1, sizeof (T_channel_desc));
+  alr_data->dedi_data.temp_channel_mode = async->handover_command.channel_mode_1;
+  alr_data->dedi_data.temp_frequency_list = async->handover_command.frequency_list;
+  alr_data->dedi_data.temp_cipher_mode = async->handover_command.cipher_mode;
+  alr_data->dedi_data.temp_a5_algorithm = async->handover_command.a5_algorithm;
+  alr_data->dedi_data.temp_cipher_key = async->cipher_key;
+  alr_data->dedi_data.temp_power = async->handover_command.txpwr;
+  alr_data->dedi_data.temp_bsic = dedicated_req->bsic;
+  alr_data->dedi_data.temp_amr_configuration = async->amr_configuration;
+  alr_data->dedi_data.act_mode = MODE_ASYNC_HANDOVER;
+
+  nc_get_fn_time (alr_data->dedi_data.temp_bcch, (ULONG *)&async->fn_offset, (ULONG *)&async->time_alignmnt);
+
+  /*
+   * convert channel numbers if needed
+   */
+  if (dedi_conversion_needed ())
+  {
+    dedi_convert_chan_desc ((T_channel_desc *)&async->handover_command.channel_desc_1);
+    dedi_convert_chan_desc ((T_channel_desc *)&async->handover_command.channel_desc_1_bef_sti);
+    dedi_convert_frequency_list (&async->handover_command.frequency_list);
+    dedi_convert_frequency_list ((T_frequency_list *)&async->handover_command.frequency_list_bef_sti);
+  }
+  /*
+   * forward the parameters to layer 1
+   */
+  ALR_TRACE_DEDI_HO_1 (dedicated_req->arfcn,
+                       dedicated_req->bsic,
+                       dedicated_req->start.v_start,
+                       dedicated_req->ch_type2.ch,
+                       dedicated_req->ch_type.ch,
+                       dedicated_req->ch_type.tsc);
+  ALR_TRACE_DEDI_HO_2 (dedicated_req->ch_type.tn,
+                       dedicated_req->ch_type.arfcn,
+                       dedicated_req->ho_param.ho_pow,
+                       dedicated_req->ho_param.ho_ref,
+                       dedicated_req->ho_param.ho_acc_type,
+                       dedicated_req->ho_param.ho_nci);
+  ALR_TRACE_DEDI_HO_3 (dedicated_req->tr_para.mode,
+                       dedicated_req->tr_para.power,
+                       dedicated_req->tr_para.dtx,
+                       dedicated_req->tr_para.rlt,
+                       dedicated_req->tr_para.tav,
+                       dedicated_req->tr_para.pwrc);
+  ALR_TRACE_DEDI_HO_4 (dedicated_req->tr_para.mode,
+                       dedicated_req->ciph.stat,
+                       dedicated_req->ciph.algo);
+  ALR_TRACE_DEDI_HO_5 (async->handover_command.channel_desc_1.chan_sel.h,
+                       async->handover_command.channel_desc_1.chan_sel.rf_channel.maio,
+                       async->handover_command.channel_desc_1.chan_sel.rf_channel.hsn,
+                       async->handover_command.channel_desc_1.channel_type,
+                       async->handover_command.channel_desc_1.sub_channel,
+                       async->handover_command.channel_desc_1.timeslot_no);
+  ALR_TRACE_DEDI_HO_6 (async->handover_command.channel_desc_1.tsc,
+                       async->handover_command.txpwr,
+                       async->handover_command.ho_acc,
+                       async->handover_command.starting_time.start_time_present,
+                       async->handover_command.cell_description.ncc,
+                       async->handover_command.cell_description.bcc);
+  ALR_TRACE_DEDI_HO_7 (async->handover_command.cell_description.bcch_carrier,
+                       async->handover_command.channel_mode_1,
+                       async->handover_command.cipher_mode,
+                       async->handover_command.a5_algorithm);
+
+  ma_dedi_async_ho_req (async);
+}
+
+
+/*
++--------------------------------------------------------------------+
+| PROJECT : GSM-PS (8403)       MODULE  : alr_DEDI                   |
+| STATE   : code                ROUTINE : dedi_sync_handover         |
++--------------------------------------------------------------------+
+
+  PURPOSE : Converts MPH_DEDICATED_REQ to MPHC_SYNC_HO_REQ.
+            This function is used during synchronous handover.
+
+*/
+
+LOCAL void dedi_sync_handover (T_MPH_DEDICATED_REQ *dedicated_req)
+{
+  int i;
+  PALLOC (sync, MPHC_SYNC_HO_REQ);
+
+  ALR_EM_CONFIGURE_HANDOVER(EM_HANDOVER_SYNC);
+
+  memset (sync, 0, sizeof (T_MPHC_SYNC_HO_REQ));
+  if (dedicated_req->ch_type.h EQ 1)
+  {
+    /*
+     * new cell with frequency hopping
+     */
+    sync->handover_command.channel_desc_1.chan_sel.h = 1;
+    sync->handover_command.channel_desc_1.chan_sel.rf_channel.maio =
+      dedicated_req->ch_type.maio;
+    sync->handover_command.channel_desc_1.chan_sel.rf_channel.hsn =
+      dedicated_req->ch_type.hsn;
+    dedi_fill_ma (dedicated_req->ch_type.ma,
+                  &sync->handover_command.frequency_list);
+  }
+  else
+  {
+    /*
+     * Avoid the union in the non-hopping case, map arfcn to
+     * maio and hsn
+     */
+    sync->handover_command.channel_desc_1.chan_sel.h = 0;
+    sync->handover_command.channel_desc_1.chan_sel.rf_channel.maio =
+          (UBYTE)(dedicated_req->ch_type.arfcn & 0xFF);
+    sync->handover_command.channel_desc_1.chan_sel.rf_channel.hsn =
+          (UBYTE)((dedicated_req->ch_type.arfcn >> 8) & 0xFF);
+  }
+
+  /*
+   * fill layer 1 structure with the new parameters
+   */
+  alr_data->dedi_data.temp_channel =
+    sync->handover_command.channel_desc_1.channel_type =
+      CH_TYPE [dedicated_req->ch_type.ch];
+  sync->handover_command.channel_desc_1.sub_channel =
+    SUB_TYPE [dedicated_req->ch_type.ch];
+  sync->handover_command.channel_desc_1.timeslot_no =
+    dedicated_req->ch_type.tn;
+  sync->handover_command.channel_desc_1.tsc = dedicated_req->ch_type.tsc;
+  sync->handover_command.txpwr =
+    cut_power_value (dedicated_req->ho_param.ho_pow, dedicated_req);
+  sync->handover_command.ho_acc = dedicated_req->ho_param.ho_ref;
+  sync->handover_command.starting_time.start_time_present =
+    dedicated_req->start.v_start;
+  sync->handover_command.starting_time.start_time.t1 =
+    dedicated_req->start.t1;
+  sync->handover_command.starting_time.start_time.t3 =
+    dedicated_req->start.t3;
+  sync->handover_command.starting_time.start_time.t2 =
+    dedicated_req->start.t2;
+
+  sync->nci = dedicated_req->ho_param.ho_nci;
+  sync->handover_command.cell_description.ncc =
+        (UBYTE)(dedicated_req->bsic >> 3);
+  sync->handover_command.cell_description.bcc =
+        (UBYTE)(dedicated_req->bsic & 7);
+  sync->handover_command.cell_description.bcch_carrier =
+    ARFCN_TO_L1(dedicated_req->arfcn);
+  sync->handover_command.channel_mode_1 =
+    dedi_channel_mode (dedicated_req->tr_para.mode,
+                       alr_data->dedi_data.temp_channel);
+  sync->amr_configuration.noise_suppression_control_bit = dedicated_req->amr_conf.nscb;
+  sync->amr_configuration.initial_codec_mode_indicator  = dedicated_req->amr_conf.icmi;
+  sync->amr_configuration.initial_codec_mode            = dedicated_req->amr_conf.st_mode;
+  sync->amr_configuration.active_codec_set              = dedicated_req->amr_conf.acs;
+  /* Traces only needed for IOT session */
+  TRACE_EVENT_P1("*AMR NSCB %d", sync->amr_configuration.noise_suppression_control_bit);
+  TRACE_EVENT_P1("*AMR ICMI %d", sync->amr_configuration.initial_codec_mode_indicator);
+  TRACE_EVENT_P1("*AMR ICM %d",  sync->amr_configuration.initial_codec_mode);
+  TRACE_EVENT_P1("*AMR ACS %d",  sync->amr_configuration.active_codec_set);
+  for (i=0; i<dedicated_req->amr_conf.c_cod_prop; i++)
+  {
+    memcpy(&sync->amr_configuration.threshold[i],  &dedicated_req->amr_conf.cod_prop[i].codec_thr, 1);
+    memcpy(&sync->amr_configuration.hysteresis[i], &dedicated_req->amr_conf.cod_prop[i].codec_hyst, 1);
+    TRACE_EVENT_P2("*AMR threshold[%d] %d",  i, sync->amr_configuration.threshold[i]);
+    TRACE_EVENT_P2("*AMR hysteresis[%d] %d", i, sync->amr_configuration.hysteresis[i]);
+  }
+
+  if (dedicated_req->start.v_start AND
+      dedicated_req->ch_type2.ch NEQ NOT_PRESENT_8BIT)
+  {
+
+    if (dedicated_req->ch_type2.h EQ 1)
+    {
+      sync->handover_command.channel_desc_1_bef_sti.chan_sel.h = 1;
+      sync->handover_command.channel_desc_1_bef_sti.chan_sel.rf_channel.maio = dedicated_req->ch_type2.maio;
+      sync->handover_command.channel_desc_1_bef_sti.chan_sel.rf_channel.hsn = dedicated_req->ch_type2.hsn;
+      dedi_fill_ma (dedicated_req->ch_type2.ma,
+                    (T_frequency_list *)
+                    &sync->handover_command.frequency_list_bef_sti);
+    }
+    else
+    {
+      /*
+       * Avoid the union !!!
+       */
+      sync->handover_command.channel_desc_1_bef_sti.chan_sel.h = 0;
+      sync->handover_command.channel_desc_1_bef_sti.chan_sel.rf_channel.maio =
+            (UBYTE)(dedicated_req->ch_type2.arfcn & 0xFF);
+      sync->handover_command.channel_desc_1_bef_sti.chan_sel.rf_channel.hsn =
+            (UBYTE)((dedicated_req->ch_type2.arfcn >> 8) & 0xFF);
+    }
+    sync->handover_command.channel_desc_1_bef_sti.channel_type =
+      CH_TYPE [dedicated_req->ch_type2.ch];
+    sync->handover_command.channel_desc_1_bef_sti.sub_channel =
+      SUB_TYPE [dedicated_req->ch_type2.ch];
+    sync->handover_command.channel_desc_1_bef_sti.timeslot_no =
+      dedicated_req->ch_type2.tn;
+    sync->handover_command.channel_desc_1_bef_sti.tsc =
+      dedicated_req->ch_type2.tsc;
+  }
+  sync->handover_command.cipher_mode = dedicated_req->ciph.stat;
+  sync->handover_command.a5_algorithm = dedicated_req->ciph.algo;
+  memcpy (&sync->cipher_key, dedicated_req->ciph.kc, sizeof(T_cipher_key));
+
+  /*
+   * store the new values as temporary configuration
+   */
+  alr_data->dedi_data.temp_bcch = dedicated_req->arfcn;
+  memcpy (&alr_data->dedi_data.temp_channel_desc,
+          &sync->handover_command.channel_desc_1,
+          sizeof (T_channel_desc));
+  alr_data->dedi_data.temp_channel_mode =
+    sync->handover_command.channel_mode_1;
+  alr_data->dedi_data.temp_frequency_list =
+    sync->handover_command.frequency_list;
+  alr_data->dedi_data.temp_cipher_mode =
+    sync->handover_command.cipher_mode;
+  alr_data->dedi_data.temp_a5_algorithm =
+    sync->handover_command.a5_algorithm;
+  alr_data->dedi_data.temp_cipher_key =
+    sync->cipher_key;
+  alr_data->dedi_data.temp_power = sync->handover_command.txpwr;
+  alr_data->dedi_data.temp_bsic  = dedicated_req->bsic;
+  alr_data->dedi_data.temp_amr_configuration = sync->amr_configuration;
+  alr_data->dedi_data.act_mode = MODE_SYNC_HANDOVER;
+
+  nc_get_fn_time (alr_data->dedi_data.temp_bcch,
+                  (ULONG *)&sync->fn_offset,
+                  (ULONG *)&sync->time_alignmnt);
+
+  /*
+   * convert channel numbers if needed
+   */
+  if (dedi_conversion_needed ())
+  {
+    dedi_convert_chan_desc ((T_channel_desc *)&sync->handover_command.channel_desc_1);
+    dedi_convert_chan_desc ((T_channel_desc *)&sync->handover_command.channel_desc_1_bef_sti);
+    dedi_convert_frequency_list (&sync->handover_command.frequency_list);
+    dedi_convert_frequency_list ((T_frequency_list *)&sync->handover_command.frequency_list_bef_sti);
+  }
+  /*
+   * forward the new configuration to layer 1
+   */
+  ma_dedi_sync_ho_req (sync);
+}
+
+/*
++--------------------------------------------------------------------+
+| PROJECT : GSM-PS (8403)       MODULE  : alr_DEDI                   |
+| STATE   : code                ROUTINE : dedi_pre_sync_handover     |
++--------------------------------------------------------------------+
+
+  PURPOSE : Converts MPH_DEDICATED_REQ to MPHC_PRE_SYNC_HO_REQ.
+            This function is used during pre-synchronous handover.
+
+*/
+
+LOCAL void dedi_pre_sync_handover (T_MPH_DEDICATED_REQ *dedicated_req)
+{
+  int i;
+  PALLOC (presync, MPHC_PRE_SYNC_HO_REQ);
+
+  ALR_EM_CONFIGURE_HANDOVER(EM_HANDOVER_PRE_SYNC);
+
+  memset (presync, 0, sizeof (T_MPHC_PRE_SYNC_HO_REQ));
+  if (dedicated_req->ch_type.h EQ 1)
+  {
+    /*
+     * new channel uses frequency hopping
+     */
+    presync->handover_command.channel_desc_1.chan_sel.h = 1;
+    presync->handover_command.channel_desc_1.chan_sel.rf_channel.maio =
+      dedicated_req->ch_type.maio;
+    presync->handover_command.channel_desc_1.chan_sel.rf_channel.hsn =
+      dedicated_req->ch_type.hsn;
+    dedi_fill_ma (dedicated_req->ch_type.ma,
+                  &presync->handover_command.frequency_list);
+  }
+  else
+  {
+    /*
+     * Avoid the union in the non-hopping case. Map arfcn to
+     * maio and hsn.
+     */
+    presync->handover_command.channel_desc_1.chan_sel.h = 0;
+    presync->handover_command.channel_desc_1.chan_sel.rf_channel.maio =
+             (UBYTE)(dedicated_req->ch_type.arfcn & 0xFF);
+    presync->handover_command.channel_desc_1.chan_sel.rf_channel.hsn =
+             (UBYTE)((dedicated_req->ch_type.arfcn >> 8) & 0xFF);
+  }
+
+  /*
+   * fill layer 1 structure with the new parameters
+   */
+  alr_data->dedi_data.temp_channel =
+    presync->handover_command.channel_desc_1.channel_type =
+      CH_TYPE [dedicated_req->ch_type.ch];
+  presync->handover_command.channel_desc_1.sub_channel =
+    SUB_TYPE [dedicated_req->ch_type.ch];
+  presync->handover_command.channel_desc_1.timeslot_no =
+    dedicated_req->ch_type.tn;
+  presync->handover_command.channel_desc_1.tsc = dedicated_req->ch_type.tsc;
+  presync->handover_command.txpwr =
+    cut_power_value (dedicated_req->ho_param.ho_pow, dedicated_req);
+  presync->handover_command.ho_acc = dedicated_req->ho_param.ho_ref;
+  presync->handover_command.starting_time.start_time_present =
+    dedicated_req->start.v_start;
+  presync->handover_command.starting_time.start_time.t1 =
+    dedicated_req->start.t1;
+  presync->handover_command.starting_time.start_time.t3 =
+    dedicated_req->start.t3;
+  presync->handover_command.starting_time.start_time.t2 =
+    dedicated_req->start.t2;
+  presync->handover_command.cell_description.ncc =
+           (UBYTE)(dedicated_req->bsic >> 3);
+  presync->handover_command.cell_description.bcc =
+           (UBYTE)(dedicated_req->bsic & 7);
+  presync->handover_command.cell_description.bcch_carrier =
+    ARFCN_TO_L1(dedicated_req->arfcn);
+  presync->nci = dedicated_req->ho_param.ho_nci;
+  presync->handover_command.channel_mode_1 =
+    dedi_channel_mode (dedicated_req->tr_para.mode,
+                       alr_data->dedi_data.temp_channel);
+  presync->amr_configuration.noise_suppression_control_bit = dedicated_req->amr_conf.nscb;
+  presync->amr_configuration.initial_codec_mode_indicator  = dedicated_req->amr_conf.icmi;
+  presync->amr_configuration.initial_codec_mode            = dedicated_req->amr_conf.st_mode;
+  presync->amr_configuration.active_codec_set              = dedicated_req->amr_conf.acs;
+  /* Traces only needed for IOT session */
+  TRACE_EVENT_P1("*AMR NSCB %d", presync->amr_configuration.noise_suppression_control_bit);
+  TRACE_EVENT_P1("*AMR ICMI %d", presync->amr_configuration.initial_codec_mode_indicator);
+  TRACE_EVENT_P1("*AMR ICM %d",  presync->amr_configuration.initial_codec_mode);
+  TRACE_EVENT_P1("*AMR ACS %d",  presync->amr_configuration.active_codec_set);
+  for (i=0; i<dedicated_req->amr_conf.c_cod_prop; i++)
+  {
+    memcpy(&presync->amr_configuration.threshold[i],  &dedicated_req->amr_conf.cod_prop[i].codec_thr, 1);
+    memcpy(&presync->amr_configuration.hysteresis[i], &dedicated_req->amr_conf.cod_prop[i].codec_hyst, 1);
+    TRACE_EVENT_P2("*AMR threshold[%d] %d",  i, presync->amr_configuration.threshold[i]);
+    TRACE_EVENT_P2("*AMR hysteresis[%d] %d", i, presync->amr_configuration.hysteresis[i]);
+  }
+
+  presync->timing_advance_valid = TRUE;
+  presync->timing_advance = dedicated_req->tr_para.tav;
+
+  if (dedicated_req->start.v_start AND
+      dedicated_req->ch_type2.ch NEQ NOT_PRESENT_8BIT)
+  {
+    if (dedicated_req->ch_type2.h EQ 1)
+    {
+      presync->handover_command.channel_desc_1_bef_sti.chan_sel.h = 1;
+      presync->handover_command.channel_desc_1_bef_sti.chan_sel.rf_channel.maio = dedicated_req->ch_type2.maio;
+      presync->handover_command.channel_desc_1_bef_sti.chan_sel.rf_channel.hsn = dedicated_req->ch_type2.hsn;
+      dedi_fill_ma (dedicated_req->ch_type2.ma,
+                    (T_frequency_list *)
+                    &presync->handover_command.frequency_list_bef_sti);
+    }
+    else
+    {
+      /*
+       * Avoid the union !!!
+       */
+      presync->handover_command.channel_desc_1_bef_sti.chan_sel.h = 0;
+      presync->handover_command.channel_desc_1_bef_sti.chan_sel.rf_channel.maio =
+               (UBYTE)(dedicated_req->ch_type2.arfcn & 0xFF);
+      presync->handover_command.channel_desc_1_bef_sti.chan_sel.rf_channel.hsn =
+               (UBYTE)((dedicated_req->ch_type2.arfcn >> 8) & 0xFF);
+    }
+    presync->handover_command.channel_desc_1_bef_sti.channel_type =
+      CH_TYPE [dedicated_req->ch_type2.ch];
+    presync->handover_command.channel_desc_1_bef_sti.sub_channel =
+      SUB_TYPE [dedicated_req->ch_type2.ch];
+    presync->handover_command.channel_desc_1_bef_sti.timeslot_no =
+      dedicated_req->ch_type2.tn;
+    presync->handover_command.channel_desc_1_bef_sti.tsc =
+      dedicated_req->ch_type2.tsc;
+  }
+  presync->handover_command.cipher_mode = dedicated_req->ciph.stat;
+  presync->handover_command.a5_algorithm = dedicated_req->ciph.algo;
+  memcpy (&presync->cipher_key, dedicated_req->ciph.kc, sizeof(T_cipher_key));
+
+  /*
+   * store the new parameters as temporary configuration.
+   */
+  alr_data->dedi_data.temp_bcch = dedicated_req->arfcn;
+  memcpy (&alr_data->dedi_data.temp_channel_desc,
+          &presync->handover_command.channel_desc_1,
+          sizeof (T_channel_desc));
+  alr_data->dedi_data.temp_channel_mode =
+    presync->handover_command.channel_mode_1;
+  alr_data->dedi_data.temp_frequency_list =
+    presync->handover_command.frequency_list;
+  alr_data->dedi_data.temp_cipher_mode =
+    presync->handover_command.cipher_mode;
+  alr_data->dedi_data.temp_a5_algorithm =
+    presync->handover_command.a5_algorithm;
+  alr_data->dedi_data.temp_cipher_key =
+    presync->cipher_key;
+  alr_data->dedi_data.temp_power = presync->handover_command.txpwr;
+  alr_data->dedi_data.temp_bsic  = dedicated_req->bsic;
+  alr_data->dedi_data.temp_amr_configuration = presync->amr_configuration;
+  alr_data->dedi_data.act_mode = MODE_PRE_SYNC_HANDOVER;
+
+  nc_get_fn_time (alr_data->dedi_data.temp_bcch,
+                  (ULONG *)&presync->fn_offset,
+                  (ULONG *)&presync->time_alignmnt);
+
+  /*
+   * convert channel numbers if needed
+   */
+  if (dedi_conversion_needed ())
+  {
+    dedi_convert_chan_desc ((T_channel_desc *)&presync->handover_command.channel_desc_1);
+    dedi_convert_chan_desc ((T_channel_desc *)&presync->handover_command.channel_desc_1_bef_sti);
+    dedi_convert_frequency_list (&presync->handover_command.frequency_list);
+    dedi_convert_frequency_list ((T_frequency_list *)&presync->handover_command.frequency_list_bef_sti);
+  }
+  /*
+   * forward the parameters to layer 1
+   */
+  ma_dedi_pre_sync_ho_req (presync);
+}
+
+/*
++--------------------------------------------------------------------+
+| PROJECT : GSM-PS (8403)       MODULE  : alr_DEDI                   |
+| STATE   : code                ROUTINE : dedi_freq_redef_req        |
++--------------------------------------------------------------------+
+
+  PURPOSE : Process signal dedi_freq_redef_req from SDL Process
+            alr_MAIN.
+            This function is used during frequency redefinition.
+
+*/
+
+GLOBAL void dedi_freq_redef_req (T_MPH_FREQ_REDEF_REQ *freq)
+{
+  PALLOC (change, MPHC_CHANGE_FREQUENCY);
+
+  ALR_EM_CONFIGURE_FREQUENCY_REDEFINITION;
+
+  memset (change, 0, sizeof (T_MPHC_CHANGE_FREQUENCY));
+  if (freq->ch_type.h EQ 1)
+  {
+    /*
+     * new channel uses frequency hopping
+     */
+    change->channel_desc.chan_sel.h = 1;
+    change->channel_desc.chan_sel.rf_channel.maio = freq->ch_type.maio;
+    change->channel_desc.chan_sel.rf_channel.hsn = freq->ch_type.hsn;
+    dedi_fill_ma (freq->ch_type.ma, &change->frequency_list);
+  }
+  else
+  {
+    /*
+     * Avoid the union for the non-hopping case
+     */
+    change->channel_desc.chan_sel.h = 0;
+    change->channel_desc.chan_sel.rf_channel.maio =
+            (UBYTE)(freq->ch_type.arfcn & 0xFF);
+    change->channel_desc.chan_sel.rf_channel.hsn =
+            (UBYTE)((freq->ch_type.arfcn >> 8) & 0xFF);
+  }
+
+  /*
+   * fill layer 1 structure with the parameters.
+   */
+  change->channel_desc.channel_type = CH_TYPE [freq->ch_type.ch];
+  change->channel_desc.sub_channel = SUB_TYPE [freq->ch_type.ch];
+  change->channel_desc.timeslot_no = freq->ch_type.tn;
+  change->channel_desc.tsc = freq->ch_type.tsc;
+  change->starting_time.start_time_present = freq->start.v_start;
+  change->starting_time.start_time.t1 = freq->start.t1;
+  change->starting_time.start_time.t3 = freq->start.t3;
+  change->starting_time.start_time.t2 = freq->start.t2;
+
+  /*
+   * store new values as temporary configuration
+   */
+  alr_data->dedi_data.redef_channel_desc = change->channel_desc;
+  alr_data->dedi_data.redef_frequency_list = change->frequency_list;
+  alr_data->dedi_data.redef_starting_time = change->starting_time;
+
+  /*
+   * convert channel numbers if needed
+   */
+  if (dedi_conversion_needed ())
+  {
+    dedi_convert_chan_desc (&change->channel_desc);
+    dedi_convert_frequency_list (&change->frequency_list);
+  }
+  /*
+   * forward parameters to layer 1
+   */
+  ma_dedi_change_freq_req (change);
+
+}
+
+/*
++--------------------------------------------------------------------+
+| PROJECT : GSM-PS (8403)       MODULE  : alr_DEDI                   |
+| STATE   : code                ROUTINE : dedi_chan_mode_req         |
++--------------------------------------------------------------------+
+
+  PURPOSE : Process signal dedi_chan_mode_req from SDL Process
+            alr_MAIN.
+            This function is used during channel mode modify procedure.
+
+*/
+
+GLOBAL void dedi_chan_mode_req (T_MPH_CHANNEL_MODE_REQ *ch_mode)
+{
+  int i;
+  PALLOC (chm, MPHC_CHANNEL_MODE_MODIFY_REQ);
+
+  ALR_EM_CONFIGURE_CHANNEL_MODE_MODIFY;
+
+  memset (chm, 0, sizeof (T_MPHC_CHANNEL_MODE_MODIFY_REQ));
+  /*
+   * convert parameters
+   */
+  chm->sub_channel = SUB_TYPE [ch_mode->ch];
+  alr_data->dedi_data.act_channel_mode =
+    chm->channel_mode = dedi_channel_mode (ch_mode->mode,
+                                           actual_channel);
+
+  /*
+   * set multirate configuration parameters
+   */
+   if(ch_mode->mode EQ CM_AMR)
+   {
+     alr_data->dedi_data.act_amr_configuration.noise_suppression_control_bit =
+       chm->amr_configuration.noise_suppression_control_bit = ch_mode->amr_conf.nscb;
+     alr_data->dedi_data.act_amr_configuration.initial_codec_mode_indicator  =
+       chm->amr_configuration.initial_codec_mode_indicator  = ch_mode->amr_conf.icmi;
+     alr_data->dedi_data.act_amr_configuration.initial_codec_mode            =
+       chm->amr_configuration.initial_codec_mode            = ch_mode->amr_conf.st_mode;
+     alr_data->dedi_data.act_amr_configuration.active_codec_set              =
+       chm->amr_configuration.active_codec_set              = ch_mode->amr_conf.acs;
+
+     /* Traces only needed for IOT session */
+     TRACE_EVENT_P1("*AMR NSCB %d", chm->amr_configuration.noise_suppression_control_bit);
+     TRACE_EVENT_P1("*AMR ICMI %d", chm->amr_configuration.initial_codec_mode_indicator);
+     TRACE_EVENT_P1("*AMR ICM %d",  chm->amr_configuration.initial_codec_mode);
+     TRACE_EVENT_P1("*AMR ACS %d",  chm->amr_configuration.active_codec_set);
+     for (i=0; i<ch_mode->amr_conf.c_cod_prop; i++)
+     {
+       memcpy(&alr_data->dedi_data.act_amr_configuration.threshold[i],  &ch_mode->amr_conf.cod_prop[i].codec_thr, 1);
+       memcpy(&alr_data->dedi_data.act_amr_configuration.hysteresis[i], &ch_mode->amr_conf.cod_prop[i].codec_hyst, 1);
+
+       memcpy(&chm->amr_configuration.threshold[i],  &ch_mode->amr_conf.cod_prop[i].codec_thr, 1);
+       memcpy(&chm->amr_configuration.hysteresis[i], &ch_mode->amr_conf.cod_prop[i].codec_hyst, 1);
+       TRACE_EVENT_P2("*AMR threshold[%d] %d",  i, chm->amr_configuration.threshold[i]);
+       TRACE_EVENT_P2("*AMR hysteresis[%d] %d", i, chm->amr_configuration.hysteresis[i]);
+     }
+   }
+
+  /*
+   * forward new channel mode to layer 1
+   */
+  ma_dedi_chan_mode_req (chm);
+}
+
+/*
++--------------------------------------------------------------------+
+| PROJECT : GSM-PS (8403)       MODULE  : alr_DEDI                   |
+| STATE   : code                ROUTINE : dedi_ciph_req              |
++--------------------------------------------------------------------+
+
+  PURPOSE : Process signal dedi_ciph_req from SDL Process
+            alr_MAIN.
+            This function is used during cipher mode setting procedure.
+
+*/
+
+GLOBAL void dedi_ciph_req (T_MPH_CIPHERING_REQ *ciph_req)
+{
+  PALLOC (set_ciph, MPHC_SET_CIPHERING_REQ);
+
+  ALR_EM_CONFIGURE_CIPHER_MODE_SETTING;
+
+  memset (set_ciph, 0, sizeof (T_MPHC_SET_CIPHERING_REQ));
+  /*
+   * convert the parameters to the layer 1 structure
+   */
+  set_ciph->cipher_mode = ciph_req->ciph.stat;
+  set_ciph->a5_algorithm = ciph_req->ciph.algo;
+  memcpy (set_ciph->new_ciph_param.A, ciph_req->ciph.kc, sizeof(T_cipher_key));
+
+  alr_data->dedi_data.act_cipher_mode = set_ciph->cipher_mode;
+  alr_data->dedi_data.act_a5_algorithm = set_ciph->a5_algorithm;
+  memcpy (&alr_data->dedi_data.act_cipher_key,
+          &set_ciph->new_ciph_param, sizeof(T_cipher_key));
+
+  /*
+   * forward the parameters to layer 1
+   */
+  ma_dedi_ciph_req (set_ciph);
+}
+
+
+/*
++--------------------------------------------------------------------+
+| PROJECT : GSM-PS (8403)       MODULE  : alr_DEDI                   |
+| STATE   : code                ROUTINE : dedi_imm_ass_cnf           |
++--------------------------------------------------------------------+
+
+  PURPOSE : Process signal dedi_imm_ass_cnf from SDL process
+            Main_Control.
+      Layer 1 confirms the configuration of a dedicated
+      channel during the immediate assignment procedure.
+
+*/
+
+GLOBAL void dedi_imm_ass_cnf (void)
+{
+  T_DEDI_DATA * d = &alr_data->dedi_data;
+
+  if (GET_STATE (STATE_DEDI) EQ DEDI_IMM_ASS)
+  {
+    /*
+     * the response of layer 1 is expected
+     */
+    ma_clean_dedi_sys_buffer ();
+    SET_STATE (STATE_DEDI, DEDI_ACTIVE);
+    /*
+     * store temporary parameters as actual channel configuration
+     */
+    d->act_bcch                   = d->temp_bcch;
+    d->act_channel_desc           = d->temp_channel_desc;
+    d->act_channel_mode           = d->temp_channel_mode;
+    d->act_frequency_list         = d->temp_frequency_list;
+    d->act_starting_time          = d->temp_starting_time;
+    d->act_frequency_list_bef_sti = d->temp_frequency_list_bef_sti;
+    d->act_channel_desc_bef_sti   = d->temp_channel_desc_bef_sti;
+    d->act_pwrc                   = d->temp_pwrc;
+    d->act_cipher_mode            = d->temp_cipher_mode;
+    d->act_a5_algorithm           = d->temp_a5_algorithm;
+    d->act_cipher_key             = d->temp_cipher_key;
+    d->act_power                  = cut_power_value (alr_data->rach_data.max_tx_pwr_ccch, NULL);
+    /*
+     * Send a MPH_DEDICATED_CNF to RR to
+     * start the establishment of the
+     * layer 2 connection.
+     */
+    ma_dedi_cnf (DEDICATED_SUCCESS);
+  }
+  else
+  if (GET_STATE (STATE_DEDI) EQ DEDI_IMM_ASS_RECONN)
+  {
+    ma_clean_dedi_sys_buffer ();
+    dedi_chan_ass_fail();              /* act_mode will take on MODE_CHAN_ASS_FAIL */
+    SET_STATE (STATE_DEDI, DEDI_ACTIVE);
+  }
+}
+
+/*
++--------------------------------------------------------------------+
+| PROJECT : GSM-PS (8403)       MODULE  : alr_DEDI                   |
+| STATE   : code                ROUTINE : dedi_change_freq_cnf       |
++--------------------------------------------------------------------+
+
+  PURPOSE : Process signal dedi_change_freq_cnf from SDL process
+            Main_Control.
+            Layer 1 confirms setting of the new parameters during
+      a frequency redefinition procedure.
+*/
+
+GLOBAL void dedi_change_freq_cnf (void)
+{
+  T_DEDI_DATA *d = &alr_data->dedi_data;
+
+  d->act_channel_desc = d->redef_channel_desc;
+  d->act_frequency_list = d->redef_frequency_list;
+  memset (&d->redef_channel_desc, 0, sizeof (T_channel_desc));
+  memset (&d->redef_frequency_list, 0, sizeof (T_frequency_list));
+  memset (&d->redef_starting_time, 0, sizeof (T_starting_time));
+  ma_clean_dedi_sys_buffer ();
+}
+
+/*
++--------------------------------------------------------------------+
+| PROJECT : GSM-PS (8403)       MODULE  : alr_DEDI                   |
+| STATE   : code                ROUTINE : dedi_chan_ass_cnf          |
++--------------------------------------------------------------------+
+
+  PURPOSE : Process signal dedi_chan_ass_cnf from SDL process
+            Main_Control.
+            Layer 1 confirms setting of a new channel configuration
+            during a channel assignment procedure.
+
+*/
+
+GLOBAL void dedi_chan_ass_cnf (void)
+{
+  if (GET_STATE (STATE_DEDI) EQ DEDI_ACTIVE)
+  {
+    if (alr_data->dedi_data.act_mode EQ MODE_CHAN_ASSIGN)
+    {
+      /*
+       * the response of layer 1 was exspected in the
+       * positive case of switching to a new channel.
+       */
+      T_DEDI_DATA *d = &alr_data->dedi_data;
+
+      /*
+       * store actual parameters as old parameters
+       */
+      d->old_channel = actual_channel;
+      d->old_bcch = d->act_bcch;
+      d->old_channel_desc = d->act_channel_desc;
+      d->old_channel_mode = d->act_channel_mode;
+      d->old_frequency_list = d->act_frequency_list;
+      d->old_cipher_mode = d->act_cipher_mode;
+      d->old_a5_algorithm = d->act_a5_algorithm;
+      d->old_cipher_key = d->act_cipher_key;
+      d->old_power = d->act_power;
+      d->old_dtx_allowed = d->act_dtx_allowed;
+      d->old_amr_configuration = d->act_amr_configuration;
+
+      /*
+       * store temporary parameters as actual channel configuration
+       */
+      actual_channel = d->temp_channel;
+      d->act_bcch = d->temp_bcch;
+      d->act_channel_desc = d->temp_channel_desc;
+      d->act_channel_mode = d->temp_channel_mode;
+      d->act_frequency_list = d->temp_frequency_list;
+      d->act_cipher_mode = d->temp_cipher_mode;
+      d->act_a5_algorithm = d->temp_a5_algorithm;
+      d->act_cipher_key = d->temp_cipher_key;
+      d->act_power = d->temp_power;
+      d->act_dtx_allowed = d->temp_dtx_allowed;
+      d->act_amr_configuration = d->temp_amr_configuration;
+      ma_dedi_cnf (DEDICATED_SUCCESS);
+    }
+    else
+      /*
+       * the response of layer 1 was exspected in the
+       * negative case of switching to the old channel.
+       */
+    {
+      ma_dedi_fail_cnf ();
+      memset (&alr_data->dedi_data.redef_channel_desc, 0, sizeof (T_channel_desc));
+      memset (&alr_data->dedi_data.redef_frequency_list, 0, sizeof (T_frequency_list));
+      memset (&alr_data->dedi_data.redef_starting_time, 0, sizeof (T_starting_time));
+    }
+  }
+}
+
+/*
++--------------------------------------------------------------------+
+| PROJECT : GSM-PS (8403)       MODULE  : alr_DEDI                   |
+| STATE   : code                ROUTINE : dedi_ho_fail_cnf           |
++--------------------------------------------------------------------+
+
+  PURPOSE : Process signal dedi_ho_fail_cnf from SDL process
+            Main_Control.
+            Layer 1 signals that the handover has failed.
+
+*/
+
+GLOBAL void dedi_ho_fail_cnf (void)
+{
+  /*
+   * recalculate all timing advances to the old bcch.
+   */
+  nc_update_list (alr_data->dedi_data.act_bcch);
+  /*
+   * signal dedicated failure to RR
+   */
+  nc_resume_dedicated();
+  ma_dedi_fail_cnf ();
+}
+
+/*
++--------------------------------------------------------------------+
+| PROJECT : GSM-PS (8403)       MODULE  : alr_DEDI                   |
+| STATE   : code                ROUTINE : dedi_async_ho_cnf          |
++--------------------------------------------------------------------+
+
+  PURPOSE : Process signal dedi_async_ho_cnf from SDL process
+            Main_Control.
+            This function handles the positive end of an
+            asynchronous handover.
+
+*/
+
+GLOBAL void dedi_async_ho_cnf (void)
+{
+  T_DEDI_DATA *d = &alr_data->dedi_data;
+  /*
+   * All timing advances are now calculated relative
+   * to the new dedicated channel
+   */
+  nc_update_list (alr_data->dedi_data.temp_bcch);
+  ma_clean_dedi_sys_buffer ();
+  /*
+   * store actual parameters as old parameters
+   */
+  d->old_channel = actual_channel;
+  d->old_bcch = d->act_bcch;
+  d->old_bsic = alr_data->bsic;
+  d->old_channel_desc = d->act_channel_desc;
+  d->old_channel_mode = d->act_channel_mode;
+  d->old_frequency_list = d->act_frequency_list;
+  d->old_cipher_mode = d->act_cipher_mode;
+  d->old_a5_algorithm = d->act_a5_algorithm;
+  d->old_cipher_key = d->act_cipher_key;
+  d->old_power = d->act_power;
+  d->old_amr_configuration = d->act_amr_configuration;
+  /*
+   * store temporary parameters as actual channel configuration
+   */
+  actual_channel = d->temp_channel;
+
+  alr_data->serving_cell = d->act_bcch = d->temp_bcch;
+  alr_data->sc_band = get_band(d->act_bcch);
+  alr_data->bsic = alr_data->dedi_data.temp_bsic;
+  d->act_channel_desc = d->temp_channel_desc;
+  d->act_channel_mode = d->temp_channel_mode;
+  d->act_frequency_list = d->temp_frequency_list;
+  d->act_cipher_mode = d->temp_cipher_mode;
+  d->act_a5_algorithm = d->temp_a5_algorithm;
+  d->act_cipher_key = d->temp_cipher_key;
+  d->act_power = d->temp_power;
+  d->old_amr_configuration = d->act_amr_configuration;
+
+  if (alr_data->nc_data.dtx)
+    nc_update_dedicated (alr_data->nc_data.dtx,
+                         alr_data->nc_data.pwrc);
+  nc_resume_dedicated();
+}
+
+/*
++--------------------------------------------------------------------+
+| PROJECT : GSM-PS (8403)       MODULE  : alr_DEDI                   |
+| STATE   : code                ROUTINE : dedi_sync_ho_cnf           |
++--------------------------------------------------------------------+
+
+  PURPOSE : Process signal dedi_sync_ho_cnf from SDL process
+            Main_Control.
+            This function handles the positive end of a
+            synchronous handover.
+
+*/
+
+GLOBAL void dedi_sync_ho_cnf (void)
+{
+  T_DEDI_DATA *d = &alr_data->dedi_data;
+
+  /*
+   * All timing advances are now calculated relative
+   * to the new dedicated channel
+   */
+  nc_update_list (alr_data->dedi_data.temp_bcch);
+  ma_clean_dedi_sys_buffer ();
+  /*
+   * store actual parameters as old parameters
+   */
+  d->old_channel = actual_channel;
+  d->old_bcch = d->act_bcch;
+  d->old_bsic = alr_data->bsic;
+  d->old_channel_desc = d->act_channel_desc;
+  d->old_channel_mode = d->act_channel_mode;
+  d->old_frequency_list = d->act_frequency_list;
+  d->old_cipher_mode = d->act_cipher_mode;
+  d->old_a5_algorithm = d->act_a5_algorithm;
+  d->old_cipher_key = d->act_cipher_key;
+  d->old_power = d->act_power;
+  d->old_amr_configuration = d->act_amr_configuration;
+
+  /*
+   * store temporary parameters as actual channel configuration
+   */
+  actual_channel = d->temp_channel;
+
+  alr_data->serving_cell = d->act_bcch = d->temp_bcch;
+  alr_data->sc_band = get_band(d->act_bcch);
+  alr_data->bsic = alr_data->dedi_data.temp_bsic;
+  d->act_channel_desc = d->temp_channel_desc;
+  d->act_channel_mode = d->temp_channel_mode;
+  d->act_frequency_list = d->temp_frequency_list;
+  d->act_cipher_mode = d->temp_cipher_mode;
+  d->act_a5_algorithm = d->temp_a5_algorithm;
+  d->act_cipher_key = d->temp_cipher_key;
+  d->act_power = d->temp_power;
+  d->act_amr_configuration = d->temp_amr_configuration;
+
+  if (alr_data->nc_data.dtx)
+    nc_update_dedicated (alr_data->nc_data.dtx,
+                         alr_data->nc_data.pwrc);
+
+  nc_resume_dedicated();
+}
+
+/*
++--------------------------------------------------------------------+
+| PROJECT : GSM-PS (8403)       MODULE  : alr_DEDI                   |
+| STATE   : code                ROUTINE : dedi_pre_sync_ho_cnf       |
++--------------------------------------------------------------------+
+
+  PURPOSE : Process signal dedi_pre_sync_ho_cnf from SDL process
+            Main_Control.
+      This function handles the positive end of a
+      pre-synchronous handover.
+
+*/
+
+GLOBAL void dedi_pre_sync_ho_cnf (void)
+{
+  T_DEDI_DATA *d = &alr_data->dedi_data;
+  /*
+   * All timing advances are now calculated relative
+   * to the new dedicated channel
+   */
+  nc_update_list (alr_data->dedi_data.temp_bcch);
+  ma_clean_dedi_sys_buffer ();
+  /*
+   * store actual parameters as old parameters
+   */
+  d->old_channel = actual_channel;
+  d->old_bcch = d->act_bcch;
+  d->old_bsic = alr_data->bsic;
+  d->old_channel_desc = d->act_channel_desc;
+  d->old_channel_mode = d->act_channel_mode;
+  d->old_frequency_list = d->act_frequency_list;
+  d->old_cipher_mode = d->act_cipher_mode;
+  d->old_a5_algorithm = d->act_a5_algorithm;
+  d->old_cipher_key = d->act_cipher_key;
+  d->old_power = d->act_power;
+  d->old_amr_configuration = d->act_amr_configuration;
+
+  /*
+   * store temporary parameters as actual channel configuration
+   */
+  actual_channel = d->temp_channel;
+  alr_data->serving_cell = d->act_bcch = d->temp_bcch;
+  alr_data->sc_band = get_band(d->act_bcch);
+  alr_data->bsic = alr_data->dedi_data.temp_bsic;
+  d->act_channel_desc = d->temp_channel_desc;
+  d->act_channel_mode = d->temp_channel_mode;
+  d->act_frequency_list = d->temp_frequency_list;
+  d->act_cipher_mode = d->temp_cipher_mode;
+  d->act_a5_algorithm = d->temp_a5_algorithm;
+  d->act_cipher_key = d->temp_cipher_key;
+  d->act_power = d->temp_power;
+  d->old_amr_configuration = d->act_amr_configuration;
+
+  if (alr_data->nc_data.dtx)
+    nc_update_dedicated (alr_data->nc_data.dtx,
+                         alr_data->nc_data.pwrc);
+
+  nc_resume_dedicated();
+}
+
+/*
++--------------------------------------------------------------------+
+| PROJECT : GSM-PS (8403)       MODULE  : alr_DEDI                   |
+| STATE   : code                ROUTINE : dedi_fill_ma               |
++--------------------------------------------------------------------+
+
+  PURPOSE : Fills a frequency list for layer 1.
+            Condatīs representation is a list of USHORT with
+            0xFFFF as delimiter.
+            TIīs representation is different from this.
+
+*/
+
+LOCAL void dedi_fill_ma (USHORT * ma,
+                          T_frequency_list * rf)
+{
+  UBYTE i = 0;
+
+  memset (rf, 0, sizeof (T_frequency_list));
+
+  while (ma[i] NEQ NOT_PRESENT_16BIT AND
+         i < MAX_MA_CARRIER)
+  {
+    rf->rf_chan_no.radio_freq[i] = ma[i];
+    i++;
+    rf->rf_chan_cnt++;
+  }
+}
+
+/*
++--------------------------------------------------------------------+
+| PROJECT : GSM-PS (8403)       MODULE  : alr_DEDI                   |
+| STATE   : code                ROUTINE : dedi_tch_loop_req          |
++--------------------------------------------------------------------+
+
+  PURPOSE : Process signal dedi_tch_loop_req from SDL Process
+            alr_MAIN.
+
+*/
+
+GLOBAL void dedi_tch_loop_req (T_MPH_TCH_LOOP_REQ *tloop)
+{
+  if (tloop->tch_loop EQ NOT_PRESENT_8BIT)
+  {
+    /*
+     * Open TCH loop
+     */
+    ma_dedi_open_tch_loop_req ();
+
+    ALR_EM_CONFIGURE_TCH_LOOP(EM_TCH_OPEN);
+
+  }
+  else
+  {
+    /*
+     * Close TCH loop
+     */
+    PALLOC (loop, OML1_CLOSE_TCH_LOOP_REQ);
+
+    /*
+     * Format of tch_loop in according to 3GPP 04.14, 8.1 CLOSE_TCH_LOOP_CMD
+     */
+    loop->sub_channel = alr_data->dedi_data.act_channel_desc.sub_channel;
+    loop->frame_erasure = tloop->tch_loop;
+
+    ma_dedi_close_tch_loop_req (loop);
+
+    ALR_EM_CONFIGURE_TCH_LOOP(EM_TCH_CLOSE);
+  }
+}
+
+
+/*
++--------------------------------------------------------------------+
+| PROJECT : GSM-PS (8403)       MODULE  : alr_DEDI                   |
+| STATE   : code                ROUTINE : dedi_dai_req               |
++--------------------------------------------------------------------+
+
+  PURPOSE : Process signal dedi_dai_req from SDL Process
+            alr_MAIN.
+      RR requests configuration of the digital audio interface.
+
+*/
+
+GLOBAL void dedi_dai_req (T_MPH_DAI_REQ * dai)
+{
+
+  if (dai->device EQ DAI_NO_TEST)
+  {
+    /*
+     * Stop DAI test
+     */
+    ma_dedi_stop_dai_req ();
+
+    ALR_EM_CONFIGURE_DAI_TESTING(EM_DAI_STOP);
+
+  }
+  else
+  {
+    PALLOC (dai_req, OML1_START_DAI_TEST_REQ);
+
+    /*
+     * Start DAI test
+     */
+    dai_req->tested_device = dai->device;
+    ma_dedi_start_dai_req (dai_req);
+
+    ALR_EM_CONFIGURE_DAI_TESTING(EM_DAI_START);
+
+  }
+}
+
+/*
++--------------------------------------------------------------------+
+| PROJECT : GSM-PS (8403)       MODULE  : alr_DEDI                   |
+| STATE   : code                ROUTINE : dedi_channel_mode          |
++--------------------------------------------------------------------+
+
+  PURPOSE : The function converts the channel mode representation
+            from Condatīs notation (equal to GSM) to TIīs values.
+
+*/
+
+LOCAL UBYTE dedi_channel_mode (UBYTE channel_mode, UBYTE channel_type)
+{
+  switch (channel_mode)
+  {
+    case MODE_SIG_ONLY:                 /* signalling only         */
+      return CM_SIGNALLING_ONLY;
+
+    case MODE_SPEECH_VER1:              /* Speech                  */
+      if (channel_type EQ CH_TYPE[TCH_F_INDEX])   /* TCH fullrate  */
+        return CM_TCH_FS;               /* TCH fullrate speech     */
+      else
+        return CM_TCH_HS;               /* TCH halfrate speech     */
+
+    case MODE_DATA_12_0:                /* Data 12 k               */
+      return CM_TCH_96;
+
+    case MODE_DATA_6_0:                 /* Data 6 k                */
+      if (channel_type EQ CH_TYPE[TCH_F_INDEX])   /* TCH fullrate  */
+        return CM_TCH_F_48;             /* TCH fullrate data 6 k   */
+      else
+        return CM_TCH_H_48;             /* TCH halfrate data 6 k   */
+
+    case MODE_DATA_3_6:                 /* Data 3.6 k              */
+      if (channel_type EQ CH_TYPE[TCH_F_INDEX])   /* TCH fullrate  */
+        return CM_TCH_F_24;             /* TCH fullrate data 3.6 k */
+      else
+        return CM_TCH_H_24;             /* TCH halfrate data 3.6 k */
+
+    case MODE_DATA_14_5:                /* Data 14.5 k             */
+      return CM_TCH_144;                /* TCH fullrate data 14.5 k*/
+
+    case MODE_SPEECH_VER2:              /* enhanced full rate      */
+      return CM_TCH_EFR;
+
+    case MODE_SPEECH_VER3:              /* adaptiv multi-rate      */
+      if (channel_type EQ CH_TYPE[TCH_F_INDEX])   /* TCH fullrate  */
+        return CM_TCH_AFS;              /* TCH/AFS fullrate        */
+      else
+        return CM_TCH_AHS;              /* TCH/AHS halfrate        */
+
+    default:
+      return CM_SIGNALLING_ONLY;        /* all other set to signalling only */
+  }
+}
+
+/*
++------------------------------          --------------------------------------+
+| PROJECT : GSM-PS (8403)       MODULE  : alr_DEDI                   |
+| STATE   : code                ROUTINE : dedi_increment_rlt         |
++--------------------------------------------------------------------+
+
+  PURPOSE : A valid block has received on SACCH. The radio
+            link counter is incremented if possible.
+
+*/
+
+GLOBAL void dedi_increment_rlt (void)
+{
+  /*
+   * increase radio link timeout counter if necessary
+   */
+  if (alr_data->dedi_data.act_rlt NEQ alr_data->dedi_data.rlt)
+  {
+    alr_data->dedi_data.act_rlt += 2;
+
+    if (alr_data->dedi_data.act_rlt > alr_data->dedi_data.rlt)
+      alr_data->dedi_data.act_rlt = alr_data->dedi_data.rlt;
+#if !defined NTRACE
+    trc_mon_counter_dedi (alr_data->dedi_data.act_rlt,
+                          alr_data->dedi_data.rlt);
+#endif /* (!defined NTRACE) */
+
+    ALR_EM_SET_EM_ACT_RLT;
+  }
+}
+
+/*
++--------------------------------------------------------------------+
+| PROJECT : GSM-PS (8403)       MODULE  : alr_DEDI                   |
+| STATE   : code                ROUTINE : dedi_decrement_rlt         |
++--------------------------------------------------------------------+
+
+  PURPOSE : An invalid block has received on SACCH. The radio
+            link counter is decremented. If the value is zero
+            an error indication is send to RR.
+*/
+
+GLOBAL void dedi_decrement_rlt (void)
+{
+
+  /*
+   * invalid block received. Decrement radio link timeout counter.
+   */
+  if (alr_data->dedi_data.act_rlt > 1)
+  {
+#if !defined NTRACE
+    trc_mon_counter_dedi (alr_data->dedi_data.act_rlt,
+                          alr_data->dedi_data.rlt);
+#endif /* (!defined NTRACE */
+    alr_data->dedi_data.act_rlt--;
+
+    ALR_EM_SET_EM_ACT_RLT;
+
+  }
+  else
+  {
+    /*
+     * radio link failure detected
+     */
+    ma_error_ind (CS_RADIO_LINK_FAIL, alr_data->serving_cell);
+    alr_data->dedi_data.act_rlt = alr_data->dedi_data.rlt;
+#if !defined NTRACE
+    trc_mon_counter_dedi (alr_data->dedi_data.act_rlt,
+                          alr_data->dedi_data.rlt);
+#endif
+
+    ALR_EM_SET_EM_ACT_RLT;
+
+  }
+}
+
+/*
++--------------------------------------------------------------------+
+| PROJECT : GSM-PS (8403)       MODULE  : alr_DEDI                   |
+| STATE   : code                ROUTINE : dedi_convert_frequency_list|
++--------------------------------------------------------------------+
+
+  PURPOSE : converts the channel numbers of a frequency list
+            in the non-hopping case for DCS 1800 channel numbers
+            in the dualband variants.
+*/
+
+LOCAL void dedi_convert_frequency_list (T_frequency_list * frequency_list)
+{
+  UBYTE i, j;
+
+  i = (UBYTE)frequency_list->rf_chan_cnt;
+
+  if (i >= 64)
+    i = 63;
+
+  ALR_TRACE_DEDI ("-----------");
+
+  for (j = 0; j < i; j++)
+  {
+    ALR_TRACE_DEDI_FREQ_LIST ();
+
+    frequency_list->rf_chan_no.radio_freq[j] =
+      ARFCN_TO_L1 (frequency_list->rf_chan_no.radio_freq[j]);
+  }
+}
+
+/*
++--------------------------------------------------------------------+
+| PROJECT : GSM-PS (8403)       MODULE  : ALR_DEDI                   |
+| STATE   : code                ROUTINE : dedi_stop                  |
++--------------------------------------------------------------------+
+
+  PURPOSE : Process signal dedi_stop from SDL process Main_Control.
+            This signal stops all dedicated activities of ALR.
+
+*/
+
+GLOBAL void dedi_stop (void)
+{
+  if (GET_STATE (STATE_DEDI) NEQ DEDI_INACTIVE)
+  {
+    /*
+     * if dedicated mode is active,
+     * the process and layer 1 are set to idle.
+     */
+    SET_STATE (STATE_DEDI, DEDI_INACTIVE);
+    ma_dedi_stop_req ();
+    alr_data->dedi_data.act_mode = NOT_PRESENT_8BIT;
+  }
+}
+
+/*
++--------------------------------------------------------------------+
+| PROJECT : GSM-PS (8403)       MODULE  : alr_DEDI                   |
+| STATE   : code                ROUTINE : dedi_convert_chan_desc     |
++--------------------------------------------------------------------+
+
+  PURPOSE : converts the channel number of a channel description
+            in the non-hopping case for DCS 1800 channel numbers
+            in the dualband variants.
+*/
+
+LOCAL void dedi_convert_chan_desc (T_channel_desc * channel_desc)
+{
+  USHORT channel;
+
+  if (channel_desc->chan_sel.h EQ 0)
+  {
+    channel = (USHORT)(channel_desc->chan_sel.rf_channel.maio +
+                      (channel_desc->chan_sel.rf_channel.hsn << 8));
+    channel_desc->chan_sel.rf_channel.maio =
+      (UBYTE)(ARFCN_TO_L1(channel) & 0xFF);
+    channel_desc->chan_sel.rf_channel.hsn =
+      (UBYTE)(ARFCN_TO_L1(channel) >> 8);
+  }
+}
+
+/*
++--------------------------------------------------------------------+
+| PROJECT : GSM-PS (8403)       MODULE  : alr_DEDI                   |
+| STATE   : code                ROUTINE : dedi_conversion_needed	 |
++--------------------------------------------------------------------+
+
+  PURPOSE : Checks whether conversion is needed or not.
+
+*/
+
+LOCAL UBYTE dedi_conversion_needed (void)
+{
+  if ((std EQ STD_EGSM) OR
+      (std EQ STD_DUAL) OR
+      (std EQ STD_DUAL_EGSM) OR
+      (std EQ STD_DUAL_US))
+    return TRUE;
+  else
+    return FALSE;
+}
+#endif
+
+