diff src/g23m-gsm/alr/alr_cs.c @ 104:27a4235405c6

src/g23m-gsm: import from LoCosto source
author Mychaela Falconia <falcon@freecalypso.org>
date Tue, 04 Oct 2016 18:24:05 +0000
parents
children
line wrap: on
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--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/src/g23m-gsm/alr/alr_cs.c	Tue Oct 04 18:24:05 2016 +0000
@@ -0,0 +1,2417 @@
+/*
++-----------------------------------------------------------------------------
+|  Project :  GSM-PS
+|  Modul   :  ALR_CS
++-----------------------------------------------------------------------------
+|  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 Cell Selection.
++-----------------------------------------------------------------------------
+*/
+
+#ifndef ALR_CS_C
+#define ALR_CS_C
+
+#define ENTITY_PL
+
+/*==== INCLUDES ===================================================*/
+#include <string.h>
+#include <stdlib.h>
+#include <limits.h>
+#include "typedefs.h"
+#include "vsi.h"
+#include "custom.h"
+#include "gsm.h"
+#include "prim.h"
+#include "pei.h"
+#include "tok.h"
+
+#include "pcm.h"
+#ifdef GPRS
+#include "alr_gprs.h"
+#endif
+
+#include "alr.h"
+#include "alr_em.h"
+#include "cl_list.h"
+
+#if defined (_SIMULATION_)
+#define TRACING
+#endif
+
+#if defined (TRACING)
+#define ALR_TRACE_CS(a)  ALR_TRACE(a)
+#else
+#define ALR_TRACE_CS(a)
+#endif
+
+#if defined (TRACING)
+
+#define ALR_TRACE_CS_STD(a1)        TRACE_EVENT_P1 ("std %d",a1)
+#define ALR_TRACE_CS_BSIC_REQ(a,s)   TRACE_EVENT_P2 ("BSIC REQ [%u] %d", a, s)
+#define ALR_TRACE_CS_SYNC_VALID(a,f,t) TRACE_EVENT_P3 ("set new SC[%u],valid block fno:%d,time_al%d",a,f,t)
+
+#else
+
+#define ALR_TRACE_CS_STD(std)
+#define ALR_TRACE_CS_BSIC_REQ(a,s)
+#define ALR_TRACE_CS_SYNC_VALID(a,f,t)
+
+#endif
+
+/*==== EXPORT =====================================================*/
+
+/*==== PRIVAT =====================================================*/
+
+/*==== VARIABLES ==================================================*/
+
+/* Power scan attempts for different search modes */
+LOCAL const U8 power_scan_attempts[] = { 
+  FULL_SEARCH_MODE_ATTEMPTS, 
+  NORMAL_SEARCH_MODE_ATTEMPTS,
+  FAST_SEARCH_MODE_ATTEMPTS, 
+  BLACK_LIST_SEARCH_MODE_ATTEMPTS
+};
+
+/* Power measurements spreading time for different search modes */
+#if defined(_SIMULATION_)
+LOCAL const U16 tim_powermeas_value[] = {
+  500,
+  500,
+  100,
+  100
+};
+#else
+LOCAL const U16 tim_powermeas_value[] = { 
+  TIM_FULL_SEARCH_POWERMEAS_VAL, 
+  TIM_NORMAL_SEARCH_POWERMEAS_VAL, 
+  TIM_FAST_SEARCH_POWERMEAS_VAL, 
+  TIM_BLACK_LIST_SEARCH_POWERMEAS_VAL
+};
+#endif
+
+LOCAL const int array_band_index[] = { 
+  B_GSM_900,
+  B_E_GSM, 
+  B_PCS_1900, 
+  B_DCS_1800, 
+  MAX_NUM_BANDS,
+  MAX_NUM_BANDS,
+  B_GSM_850 
+};
+
+/*==== FUNCTIONS ==================================================*/
+
+LOCAL void cs_add_and_sort_channels           (void);
+LOCAL void cs_find_inactive_carriers          (T_POWER_MEAS **p_results,
+                                               U16 p_results_size[2],U8 *std,
+                                               U8 no_of_attempts, SHORT *min_rxlev);
+#ifdef TI_PS_FF_QUAD_BAND_SUPPORT
+LOCAL U8   cs_add_whitelist_carriers          (U16 p_results_size[2], U8 *std,
+                                               U8 attempts,
+                                               SHORT *min_rxlev,
+                                               T_POWER_MEAS **p_results,
+                                               U8 no_of_carriers_per_band[4]);
+#else
+LOCAL U8   cs_add_whitelist_carriers          (U16 p_results_size[2], 
+                                               U8 std, U8 attempts,
+                                               SHORT *min_rxlev,
+                                               T_POWER_MEAS *presults,
+                                               U8 no_of_carriers_per_band[4]);
+#endif
+LOCAL BOOL cs_is_in_black_list                (U8 region,U16 arfcn);
+LOCAL U8   cs_restrict_max_carriers_per_band  (U16 arfcn, U8 std, 
+                                               U8 no_of_carriers_per_band[4],
+                                               U16 p_results_size[2], U8 min_rxlev);
+LOCAL void cs_move_extra_carriers              (U8 i_cnf, U8 extra_cnf);
+LOCAL void cs_reorder_the_extra_carriers       (U8 extra_cnf);
+LOCAL void cs_power_array_swap_arfcn           (T_POWER_ARRAY *from,
+                                                T_POWER_ARRAY *to);
+
+/*
++--------------------------------------------------------------------+
+| PROJECT : GSM-PS (8403)       MODULE  : ALR_CS                     |
+| STATE   : code                ROUTINE : cs_init                    |
++--------------------------------------------------------------------+
+
+  PURPOSE : Initialize Cell Selection Process.
+            Set state and dynamic allocated RAM area to NULL.
+
+*/
+
+GLOBAL void cs_init (void)
+{
+  GET_INSTANCE_DATA;
+  TRACE_FUNCTION ("cs_init()");
+  alr_data->state[STATE_CS] = CS_NULL;
+  memset (&alr_data->cs_data, 0, sizeof (T_CS_DATA));
+  alr_data->cs_data.p_results1 = (T_POWER_MEAS*)&alr_power_meas_result1;
+  alr_data->cs_data.p_results2 = (T_POWER_MEAS*)&alr_power_meas_result2;
+  alr_data->cs_data.search_mode = SM_WIDE_MODE;
+  alr_data->cs_data.sync_fail_count = CS_SYNC_FAIL_COUNT_MAX;
+  alr_data->cs_data.bcch_fail_count = CS_BCCH_FAIL_COUNT_MAX;
+
+  if ( IS_EXT_MEAS_RUNNING ) /*alr_data->cs_data.mph_ext_meas_req NEQ NULL*/
+  {
+    PFREE ( alr_data->cs_data.mph_ext_meas_req );
+            alr_data->cs_data.mph_ext_meas_req = NULL;
+  }
+}
+
+/*
++--------------------------------------------------------------------+
+| PROJECT : GSM-PS (8403)       MODULE  : ALR_CS                     |
+| STATE   : code                ROUTINE : cs_get_next_area           |
++--------------------------------------------------------------------+
+
+  PURPOSE : This returns the next area to scan ('next_area').
+            Also it sets 'std' and 'freq_area' - members of 'cs_data' -
+            depend on given 'freq_bands'.
+*/
+
+LOCAL UBYTE cs_get_next_area (void)
+{
+  GET_INSTANCE_DATA;
+  UBYTE next_area;
+
+  if ((alr_data->cs_data.freq_area&ALL_FREQ_AREA) EQ ALL_FREQ_AREA)
+    next_area =
+      (alr_data->cs_data.freq_area&NEXT_AMERICAN_AREA) ? AMERICAN_FREQ_AREA : EUROPEAN_FREQ_AREA;
+  else
+    next_area = alr_data->cs_data.freq_area;
+
+  /*
+   * In the case the members and value arenīt already initialized,
+   * next_area is set to 0
+   */
+  switch (next_area)
+  {
+    default:
+    case EUROPEAN_FREQ_AREA:
+      if ((alr_data->cs_data.std12 & 0x0f) EQ 0) /* not initialized */
+        next_area = 0;
+      break;
+    case AMERICAN_FREQ_AREA:
+      if ((alr_data->cs_data.std12 >> 4) EQ 0) /* not initialized */
+        next_area = 0;
+      break;
+    case 0:
+      break;
+  }
+
+/*
+  if (next_area)
+  {
+    TRACE_EVENT_P9 ("cs_get_next_area: fb=%02x => cs_std=%u(%u) std12=%02x area=%02x'%c%c' next=%u'%c'",
+      alr_data->cs_data.freq_bands, alr_data->cs_data.std, std,
+      alr_data->cs_data.std12, alr_data->cs_data.freq_area,
+      (alr_data->cs_data.freq_area & EUROPEAN_FREQ_AREA) ? 'E':' ',
+      (alr_data->cs_data.freq_area & AMERICAN_FREQ_AREA) ? 'A':' ',
+      next_area, next_area ? ((next_area EQ AMERICAN_FREQ_AREA) ? 'A':' E') : '?');
+  }
+*/
+  return next_area;
+}
+
+/*
++--------------------------------------------------------------------+
+| PROJECT : GSM-PS (8403)       MODULE  : ALR_CS                     |
+| STATE   : code                ROUTINE : cs_get_std_area            |
++--------------------------------------------------------------------+
+
+  PURPOSE : This returns the frequency band 'std' depend on given
+            'freq_bands'. It also sets the suitable frequency area
+            to the value of a possible given area pointer.
+
+            This function knows only the single and dual frequency
+            band combinations. Triple or quad frequency band
+            combinations leads to return values set to 0.
+*/
+
+LOCAL UBYTE cs_get_std_area (UBYTE freq_bands, UBYTE *p_area)
+{
+  UBYTE cs_freq_area;
+  UBYTE cs_std;
+
+  switch (freq_bands)
+  {
+    case BAND_GSM_900:/* single band */
+      cs_freq_area = EUROPEAN_FREQ_AREA;
+      cs_std = STD_900;
+      break;
+    case BAND_DCS_1800:/* single band */
+      cs_freq_area = EUROPEAN_FREQ_AREA;
+      cs_std = STD_1800;
+      break;
+    case BAND_PCS_1900:/* single band */
+      cs_freq_area = AMERICAN_FREQ_AREA;
+      cs_std = STD_1900;
+      break;
+    case BAND_E_GSM:/* extended single band */
+    case BAND_GSM_900|BAND_E_GSM: /* extended single band */
+      cs_freq_area = EUROPEAN_FREQ_AREA;
+      cs_std = STD_EGSM;
+      break;
+    case BAND_GSM_850:/* single band */
+      cs_freq_area = AMERICAN_FREQ_AREA;
+      cs_std = STD_850;
+      break;
+    case BAND_DUAL:/* dual band */
+      cs_freq_area = EUROPEAN_FREQ_AREA;
+      cs_std = STD_DUAL;
+      break;
+    case BAND_DUAL_EXT:/* dual band */
+      cs_freq_area = EUROPEAN_FREQ_AREA;
+      cs_std = STD_DUAL_EGSM;
+      break;
+    case BAND_DUAL_US:/* dual band */
+      cs_freq_area = AMERICAN_FREQ_AREA;
+      cs_std = STD_DUAL_US;
+      break;
+    default:
+      cs_freq_area = 0;
+      cs_std = 0;
+      break;
+  }
+
+  if (p_area)
+    *p_area = cs_freq_area;
+  return cs_std;
+}
+
+/*
++--------------------------------------------------------------------+
+| PROJECT : GSM-PS (8403)       MODULE  : ALR_CS                     |
+| STATE   : code                ROUTINE : cs_set_std_area            |
++--------------------------------------------------------------------+
+
+  PURPOSE : This returns the next area to scan ('next_area').
+            Also it sets 'std' and 'freq_area' - members of 'cs_data' -
+            depend on given 'freq_bands'.
+            This function will be executed at least once (single band) and
+            not more than twice (multiband) per power request.
+*/
+
+LOCAL UBYTE cs_set_std_area (void)
+{
+  GET_INSTANCE_DATA;
+  UBYTE next_area;
+  UBYTE cs_freq_bands = alr_data->cs_data.freq_bands;
+  UBYTE cs_std;
+  UBYTE cs_freq_area = alr_data->cs_data.freq_area;
+
+/*
+  TRACE_EVENT_P1 ("cs_set_std_area(): %s call", cs_freq_area?"second":"first");
+*/
+  if (cs_freq_area & NEXT_AMERICAN_AREA)
+    /*
+     * Initializing before second measurement
+     */
+    next_area = AMERICAN_FREQ_AREA;
+  else
+    next_area = 0;
+
+  if (cs_freq_bands EQ 0)
+  {
+    TRACE_ERROR ("alr_data->cs_data.freq_bands=0 (Invalid value)!");
+    TRACE_ASSERT (cs_freq_bands EQ 0);
+  }
+
+  cs_std = cs_get_std_area(cs_freq_bands, &cs_freq_area);
+  if (cs_std EQ 0)
+  {
+    cs_freq_area = 0;
+    if (cs_freq_bands & BAND_DUAL_EXT)
+    { /* european frequency bands */
+      cs_freq_area |= EUROPEAN_FREQ_AREA;
+      if (next_area EQ 0)
+        next_area = EUROPEAN_FREQ_AREA;
+    }
+    if (cs_freq_bands & BAND_DUAL_US)
+    { /* american frequency bands */
+      cs_freq_area |= AMERICAN_FREQ_AREA;
+      if (next_area EQ 0)
+        next_area = AMERICAN_FREQ_AREA;
+    }
+
+    if (next_area EQ EUROPEAN_FREQ_AREA)
+    {
+      cs_freq_bands &= BAND_DUAL_EXT;
+    }
+    else
+    {
+      cs_freq_bands &= BAND_DUAL_US;
+      cs_freq_area |= NEXT_AMERICAN_AREA;
+    }
+    /*
+     * get the next 'std' depend on the value of 'next_area'
+     */
+    cs_std = cs_get_std_area (cs_freq_bands, NULL);
+  }
+
+  if (next_area EQ 0)
+    next_area = cs_freq_area;
+
+  alr_data->cs_data.freq_area = cs_freq_area;
+  alr_data->cs_data.std = cs_std;
+  TRACE_EVENT_P9 ("cs_set_std_area: fb=%02x => cs_std=%u(%u) std12=%02x area=%02x'%c%c' next=%u'%c'",
+    alr_data->cs_data.freq_bands, alr_data->cs_data.std, std,
+    alr_data->cs_data.std12, alr_data->cs_data.freq_area,
+    (alr_data->cs_data.freq_area & EUROPEAN_FREQ_AREA) ? 'E':' ',
+    (alr_data->cs_data.freq_area & AMERICAN_FREQ_AREA) ? 'A':' ',
+    next_area, next_area ? ((next_area EQ AMERICAN_FREQ_AREA) ? 'A':'E') : '?');
+
+  return next_area;
+}
+
+/*
++--------------------------------------------------------------------+
+| PROJECT : GSM-PS (8403)       MODULE  : ALR_CS                     |
+| STATE   : code                ROUTINE : cs_power_array_swap_arfcn|
++--------------------------------------------------------------------+
+
+  PURPOSE : This function swaps ARFCN and its RxLev between the 
+            locations passed.
+*/
+LOCAL void cs_power_array_swap_arfcn(T_POWER_ARRAY *ptr1,T_POWER_ARRAY *ptr2)
+{
+  U16   temp_arfcn;
+  SHORT temp_rxlev;  
+
+  temp_arfcn               = ptr1->radio_freq;
+  temp_rxlev               = ptr1->accum_power_result;
+
+  ptr1->radio_freq         = ptr2->radio_freq;
+  ptr1->accum_power_result = ptr2->accum_power_result;
+
+  ptr2->radio_freq         = temp_arfcn;
+  ptr2->accum_power_result = temp_rxlev;
+
+}
+
+/*
++--------------------------------------------------------------------+
+| PROJECT : GSM-PS (8403)       MODULE  : ALR_CS                     |
+| STATE   : code                ROUTINE : cs_prepare_power_req       |
++--------------------------------------------------------------------+
+
+  PURPOSE : This prepares the inputs for the power request depending
+            on the frequency areas.
+
+*/
+
+GLOBAL T_POWER_MEAS* cs_prepare_power_req (void)
+{
+  GET_INSTANCE_DATA;
+  UBYTE         next_area,region;
+  T_POWER_MEAS  *power_meas;
+  T_LIST        *black_list;
+
+  TRACE_FUNCTION ("cs_prepare_power_req");
+
+  /*
+   * depending on the set frequency area
+   */
+  next_area = cs_get_next_area ();
+
+  if (next_area)
+  { /* members and values are already initialized */
+    switch (next_area)
+    {
+      default:
+      case EUROPEAN_FREQ_AREA:
+        power_meas = alr_data->cs_data.p_results1;
+        alr_data->cs_data.std = alr_data->cs_data.std12&0x0f;
+        break;
+      case AMERICAN_FREQ_AREA:
+        power_meas = alr_data->cs_data.p_results2;
+        alr_data->cs_data.std = alr_data->cs_data.std12>>4;
+        break;
+    }
+
+    TRACE_EVENT_WIN_P4 ("cs_prepare_power_req: cs_std=%u(%02x) next=%u'%c'",
+      alr_data->cs_data.std, alr_data->cs_data.std12,
+      next_area, (next_area EQ AMERICAN_FREQ_AREA) ? 'A':'E');
+
+  }
+  else
+  { /* must be initialize first */
+    int   i;
+    int   power_array_size;
+    int   radio_freq_offset = 1;
+
+    /*
+     * depending on the given frequency bands
+     */
+    next_area = cs_set_std_area ();
+    /*
+     * depending on the just set frequency standard
+     */
+    switch(alr_data->cs_data.std)
+    {
+      case STD_900:
+        power_array_size = MAX_CARRIERS_GSM900;
+        break;
+
+      case STD_EGSM:
+        power_array_size = MAX_CARRIERS_EGSM900;
+        break;
+
+      case STD_1900:
+        power_array_size = MAX_CARRIERS_PCS1900;
+#ifdef TI_PS_FF_QUAD_BAND_SUPPORT
+        radio_freq_offset = 1024;
+#else
+        radio_freq_offset = 512;
+#endif
+        break;
+
+      case STD_1800:
+        power_array_size = MAX_CARRIERS_DCS1800;
+        radio_freq_offset = 512;
+        break;
+
+      case STD_DUAL:
+        power_array_size = MAX_CARRIERS_DUAL;
+        break;
+
+      case STD_DUAL_EGSM:
+        power_array_size = MAX_CARRIERS_DUAL_EGSM;
+        break;
+
+      case STD_850:
+        power_array_size = MAX_CARRIERS_GSM850;
+        radio_freq_offset = 128;
+        break;
+
+      case STD_DUAL_US:
+        power_array_size = MAX_CARRIERS_DUAL_US;
+#ifdef TI_PS_FF_QUAD_BAND_SUPPORT
+        radio_freq_offset = 128;
+#endif
+        break;
+
+      default:
+          power_array_size = 0;
+        break;
+    }
+
+    if (power_array_size)
+    {
+      /*
+       * fill all carriers which shall be measured into the structure
+       * to layer 1.
+       */
+      T_POWER_ARRAY *power_array;
+      USHORT size;
+
+      if ( IS_EXT_MEAS_RUNNING )
+      {
+        power_array_size = alr_data->cs_data.mph_ext_meas_req->num_of_chan;
+      }
+
+      /* depend on the next area get the right T_POWER_MEAS instance */
+      switch (next_area)
+      {
+        default:
+        case EUROPEAN_FREQ_AREA:
+            size = sizeof (T_POWER_MEAS1);
+            power_meas = alr_data->cs_data.p_results1;
+            /*
+            TRACE_EVENT_P1 ("static T_POWER_MEAS(EU): size=%u", sizeof (T_POWER_MEAS1));
+            */
+          memset (alr_data->cs_data.p_results1, 0, sizeof (T_POWER_MEAS));
+
+          /* save value of 'std' for cs_increment_c_channels() */
+          alr_data->cs_data.std12 |= alr_data->cs_data.std & 0x0f;
+          break;
+
+        case AMERICAN_FREQ_AREA:
+            size = sizeof (T_POWER_MEAS2);
+            power_meas = alr_data->cs_data.p_results2;
+            /*
+            TRACE_EVENT_P1 ("static T_POWER_MEAS(USA): size=%u", sizeof (T_POWER_MEAS2));
+            */
+          /* save value of 'std' for cs_increment_c_channels() */
+          alr_data->cs_data.std12 |= (alr_data->cs_data.std << 4);
+          break;
+      }
+
+      memset (power_meas, 0, size);
+
+      TRACE_EVENT_WIN_P8 ("cs_prepare_power_req: cs_std=%u(%u) std12=%02x rf=%u..%u (%u) next=%u'%c'",
+        alr_data->cs_data.std, std, alr_data->cs_data.std12,
+        radio_freq_offset, power_array_size+radio_freq_offset-1,
+        power_array_size,
+        next_area, (next_area EQ AMERICAN_FREQ_AREA) ? 'A':'E');
+
+      power_array = &(power_meas->power_array[0]);
+      memset (power_array, 0, sizeof (T_POWER_ARRAY) * power_array_size);
+      power_meas->power_array_size = power_array_size;
+
+      if ( IS_EXT_MEAS_RUNNING )
+      {
+        USHORT *arfcn = &alr_data->cs_data.mph_ext_meas_req->arfcn[0];
+        for ( i = 0; i < power_array_size; i++, power_array++, arfcn++ )
+        {
+          power_array->radio_freq = ARFCN_TO_L1 ( *arfcn );
+        }
+      }
+      else
+      {
+        if(alr_data->cs_data.p_power_req->search_mode NEQ BLACK_LIST_SEARCH_MODE)
+        {
+          power_array_size += radio_freq_offset;
+#ifdef TI_PS_FF_QUAD_BAND_SUPPORT
+          if (alr_data->cs_data.std EQ STD_EGSM)
+          {
+            for (i=radio_freq_offset; i <= MAX_CARRIERS_GSM900; i++, power_array++)
+            {
+              power_array->radio_freq = (U16)i;
+            }
+            for (i=LOW_CHANNEL_EGSM; i < HIGH_CHANNEL_EGSM; i++, power_array++)
+            {
+              power_array->radio_freq = (U16)i;
+            }
+            power_array->radio_freq = 0x00;
+            power_array++;
+          }
+          else if (alr_data->cs_data.std EQ STD_DUAL)
+          {
+            for (i=radio_freq_offset; i <= MAX_CARRIERS_GSM900; i++, power_array++)
+            {
+              power_array->radio_freq = (U16)i;
+            }
+            for (i=LOW_CHANNEL_1800; i <= HIGH_CHANNEL_1800; i++, power_array++)
+            {
+              power_array->radio_freq = (U16)i;
+            }
+          }
+          else if (alr_data->cs_data.std EQ STD_DUAL_EGSM)
+          {
+            for (i=radio_freq_offset; i <= MAX_CARRIERS_GSM900; i++, power_array++)
+            {
+              power_array->radio_freq = (U16)i;
+            }
+            for (i=LOW_CHANNEL_EGSM; i < HIGH_CHANNEL_EGSM; i++, power_array++)
+            {
+              power_array->radio_freq = (U16)i;
+            }
+            for (i=LOW_CHANNEL_1800; i <= HIGH_CHANNEL_1800; i++, power_array++)
+            {
+              power_array->radio_freq = (U16)i;
+            }
+            power_array->radio_freq = 0x00;
+            power_array++;
+          }
+          else if (alr_data->cs_data.std EQ STD_DUAL_US)
+          {
+            for (i=radio_freq_offset; i <= HIGH_CHANNEL_850; i++, power_array++)
+            {
+              power_array->radio_freq = (U16)i;
+            }
+            for (i=1024; i <= 1322; i++, power_array++)
+            {
+              power_array->radio_freq = (U16)i;
+            }
+          }
+          else
+          {
+            for(i=radio_freq_offset; i < power_array_size; i++, power_array++)
+            {
+              power_array->radio_freq = (U16)i;
+            }
+          }
+#else
+          for(i=radio_freq_offset; i < power_array_size; i++, power_array++)
+          {
+            power_array->radio_freq = (U16)i;
+          }
+#endif
+        }
+        else
+        { 
+          /* Blacklist search. Fill all Black Listed and "Grey" carriers 
+           * sent by RR for L1 measurement
+           */
+          region     = srv_get_region_from_std(std);
+          power_meas->power_array_size = 0;
+#ifdef TI_PS_FF_QUAD_BAND_SUPPORT
+          if (region EQ BOTH_REGIONS)
+          {
+            int j;
+            for (j=0; j<MAX_REGIONS; j++)
+            {
+              black_list = (T_LIST*)&alr_data->cs_data.p_power_req->black_list.list[j];
+          
+          for(i=CHANNEL_0;i<CHANNEL_0_INTERNAL;i++)
+          {
+            if(srv_get_channel(black_list, i))
+            {
+              power_array->radio_freq = ARFCN_TO_L1 ( i );
+
+              power_meas->power_array_size++;
+              power_array++;
+            }
+          }
+            }
+          }
+          else
+          {
+#endif
+            black_list = (T_LIST*)&alr_data->cs_data.p_power_req->black_list.list[region];
+          
+            for(i=CHANNEL_0;i<CHANNEL_0_INTERNAL;i++)
+            {
+              if(srv_get_channel(black_list, i))
+              {
+                power_array->radio_freq = ARFCN_TO_L1 ( i );
+  
+                power_meas->power_array_size++;
+                power_array++;
+              }
+            }
+#ifdef TI_PS_FF_QUAD_BAND_SUPPORT
+          }
+#endif
+        } /* Black list search */
+      } /* !EXT_MEAS */
+    } /* power_array_size != 0 */
+    else
+    {
+      TRACE_EVENT_P6 ("cs_prepare_power_req: invalid: fb=%02x cs_std=%u area=%02x'%c%c' next='%c'",
+        alr_data->cs_data.freq_bands,
+        alr_data->cs_data.std, alr_data->cs_data.freq_area,
+        (alr_data->cs_data.freq_area & EUROPEAN_FREQ_AREA) ? 'E':' ',
+        (alr_data->cs_data.freq_area & AMERICAN_FREQ_AREA) ? 'A':' ',
+        (next_area EQ AMERICAN_FREQ_AREA) ? 'A':'E');
+      power_meas = NULL;/* invalid values */
+    }
+  }
+  return power_meas;/* do it */
+}
+
+/*
++--------------------------------------------------------------------+
+| PROJECT : GSM-PS (8403)       MODULE  : ALR_CS                     |
+| STATE   : code                ROUTINE : cs_power_req               |
++--------------------------------------------------------------------+
+
+  PURPOSE : This starts measurement of the fieldstrength of all channels.
+
+*/
+
+GLOBAL void cs_power_req (UBYTE pch_interrupt)
+{
+  GET_INSTANCE_DATA;
+  /* When Power On alr_data->cs_data.std will be set to 0, which wil be changed later. This is
+     used to find out if it is a first power scan after boot up. MPHC_INIT_L1_REQ will be sent
+     only during first powerv scan. It should not be sent on subsequent power scan */
+#ifdef TI_PS_FF_QUAD_BAND_SUPPORT
+  U8 initial_req = alr_data->cs_data.std;
+#endif
+
+  TRACE_EVENT_P1 (" p_results1=%08x", alr_data->cs_data.p_results1);
+  
+  /* Reset CS data */
+  alr_data->cs_data.std12 = 0;
+  alr_data->cs_data.freq_area = 0;
+  alr_data->cs_data.c_meas = 0;
+  alr_data->cs_data.p_results1->power_array_size = 0;
+  alr_data->cs_data.p_results2->power_array_size = 0;
+
+  cs_prepare_power_req();
+
+  if(IS_EXT_MEAS_RUNNING)
+  {
+    alr_data->cs_data.c_max_meas = power_scan_attempts[FULL_SEARCH_MODE];
+
+    alr_data->cs_data.c_tim_meas = (tim_powermeas_value[FULL_SEARCH_MODE]/
+                                    power_scan_attempts[FULL_SEARCH_MODE]);
+
+  }
+  else
+  {
+    T_MPH_POWER_REQ* mph_power_req = alr_data->cs_data.p_power_req;
+    
+    /* CSI-LLD Section: 4.1.3.4.2.3 
+     * Set the number of RF scan attempts and TIM_POWER_MEAS timer value 
+     * based on the search mode
+     */
+
+    /* Set the number of RF scan attempts */
+    alr_data->cs_data.c_max_meas = 
+      power_scan_attempts[mph_power_req->search_mode];
+
+    /* Set TIM_POWER_MEAS timer value */
+    alr_data->cs_data.c_tim_meas = 
+      (tim_powermeas_value[mph_power_req->search_mode] /  
+       power_scan_attempts[mph_power_req->search_mode]);
+
+
+    if (((alr_data->cs_data.freq_area & ALL_FREQ_AREA) EQ ALL_FREQ_AREA) AND 
+        (mph_power_req->search_mode NEQ BLACK_LIST_SEARCH_MODE))
+    {
+      /* Multiply the number of field strength measurements by 2 */
+      alr_data->cs_data.c_max_meas <<= 1;
+
+      /* Reduce the TIM_POWER_MEAS value by half */
+      alr_data->cs_data.c_tim_meas >>= 1;
+    }
+
+    TRACE_EVENT_P2(" Search Type:[%u] Search Mode:[%u]",
+      mph_power_req->pch_interrupt,
+      mph_power_req->search_mode);
+  }
+
+  /* new state is dependent on necessary of the L1 configuration */
+#ifdef TI_PS_FF_QUAD_BAND_SUPPORT
+  if (!initial_req)
+#else
+  if ((pch_interrupt EQ PCH_INTERRUPT) OR (alr_data->cs_data.std NEQ std))
+#endif
+  {
+    SET_STATE (STATE_CS, CS_INIT_L1);
+  }
+  else
+  {
+    SET_STATE (STATE_CS, CS_START_MEASURE);
+  }
+
+  TRACE_EVENT_P2 ("cs_power_req: c_max_meas=%u c_tim_meas=%u",
+    alr_data->cs_data.c_max_meas, alr_data->cs_data.c_tim_meas);
+
+  ma_cs_rxlev_req ();
+}
+
+/*
++--------------------------------------------------------------------+
+| PROJECT : GSM-PS (8403)       MODULE  : ALR_CS                     |
+| STATE   : code                ROUTINE : cs_bsic_req                |
++--------------------------------------------------------------------+
+
+  PURPOSE : Request of RR to search for frequency correction
+            burst and synchron burst.
+
+*/
+
+GLOBAL void cs_bsic_req (T_MPH_BSIC_REQ * mph_bsic_req)
+{
+  GET_INSTANCE_DATA;
+  UBYTE cs_std;
+
+  if (mph_bsic_req)
+  {
+    ALR_TRACE_CS_BSIC_REQ(mph_bsic_req->arfcn&ARFCN_MASK, GET_STATE (STATE_CS));
+
+    ALR_EM_BSIC_REQUEST;
+
+  }
+  /*
+   * cs_bsic_req is called from several places with mph_bsic_req EQ NULL
+   */
+
+  switch (GET_STATE (STATE_CS))
+  {
+    case CS_ACTIVE_BCCH:
+      ma_stop_scell_bcch_req ();
+      /*
+       * first stop BCCH reading,
+       * then start like in idle mode if
+       * it is a valid channel number
+       */
+    /*lint -fallthrough*/
+    default:
+      if (mph_bsic_req)
+      {
+        alr_data->cs_data.arfcn = mph_bsic_req->arfcn;
+        cs_std = STD_GET_FROM_ARFCN (mph_bsic_req->arfcn);
+#ifdef TI_PS_FF_QUAD_BAND_SUPPORT
+        alr_data->cs_data.std  = cs_std;
+#else
+        if (cs_std AND (cs_std NEQ alr_data->cs_data.std))
+        { /*
+           * When RR supplies a value of 'std' then init radio band before sync
+           */
+          TRACE_EVENT_WIN_P2("cs_bsic_req: cs_std=%u->%u",
+            alr_data->cs_data.std, cs_std);
+          alr_data->cs_data.std  = cs_std;
+          ma_cs_init_l1_req(alr_data->cs_data.std);
+          SET_STATE(STATE_CS, CS_INIT_SYNC);
+          return; /* wait of MPHC_INIT_L1_CON */
+        }
+#endif
+      }
+      /* If no value of 'std' are supplied, then start sync immediately */
+    /*lint -fallthrough*/
+    case CS_INIT_DONE:
+#if defined(STOP_SYNC_TASK)
+      if (alr_data->cs_data.sync_active)
+      {
+        /*
+         * stop any synchronisation task
+         */
+        SET_STATE(STATE_CS, CS_STOP_SYNC);
+        ma_cs_stop_network_sync_req();
+        return;/* wait for MPHC_STOP_NETWORK_SYNC_CON */
+      }
+    /*lint -fallthrough*/
+    case CS_STOP_SYNC_DONE:
+#endif /* STOP_SYNC */
+      /*
+       * start synchronisation
+       * to the frequency correction burst and synchron burst
+       * in layer 1.
+       */
+      TRACE_EVENT_P1 ("NETWORK_SYNC_REQ[%u]", alr_data->cs_data.arfcn&ARFCN_MASK);
+      ma_cs_network_sync_req (ARFCN_STD_TO_L1(alr_data->cs_data.arfcn, alr_data->cs_data.std));
+      SET_STATE(STATE_CS, CS_ACTIVE_SYNC);
+      break;
+#if defined(STOP_SYNC_TASK)
+    case CS_STOP_SYNC:
+      /* do nothing, wait for MPHC_STOP_NETWORK_SYNC_CON */
+      return;
+#endif /* STOP_SYNC */
+  }
+}
+
+/*
++--------------------------------------------------------------------+
+| PROJECT : GSM-PS (8403)       MODULE  : ALR_CS                     |
+| STATE   : code                ROUTINE : cs_rxlev_ind               |
++--------------------------------------------------------------------+
+
+  PURPOSE : This is the response from layer 1 for
+            a measurement sample request over all channels.
+
+*/
+
+GLOBAL void cs_rxlev_ind (T_MPHC_RXLEV_IND* rxlev_ind)
+{
+  GET_INSTANCE_DATA;
+#if defined(_SIMULATION_)
+  {
+    /*
+     * special handling for windows simulation. In this case predefined
+     * values are used, because the primitives are too big to be forwarded
+     * via the test interface.
+     */
+    int index = rxlev_ind->shared_ptr;
+
+    memcpy(alr_data->cs_data.p_results1,&tap_rxlev_response_european[index],
+           sizeof(T_POWER_MEAS));
+
+    memcpy(alr_data->cs_data.p_results2,&tap_rxlev_response_american[index],
+           sizeof(T_POWER_MEAS));
+  }
+#endif  /* _SIMULATION_ */
+
+  TRACE_EVENT_P3 ("cs_rxlev_ind(): cs_std=%u c_meas=%u/%u",
+    alr_data->cs_data.std, alr_data->cs_data.c_meas+1, alr_data->cs_data.c_max_meas);
+
+  if ( IS_EXT_MEAS_RUNNING AND alr_data->cs_data.ext_meas_state_pend NEQ CS_NULL )
+  {
+    TIMERSTOP(TIM_POWERMEAS);
+    SET_STATE (STATE_CS, CS_NULL);
+    nc_stop_ext_meas_ind();
+    return;
+  }
+
+  switch (GET_STATE (STATE_CS))
+  {
+    case CS_MEASURED:
+
+      /* increment the number of measurement samples */
+      alr_data->cs_data.c_meas++;
+
+      if (alr_data->cs_data.c_meas EQ alr_data->cs_data.c_max_meas)
+      { 
+        /* Allocate memory for MPH_POWER_CNF */
+        PALLOC (mph_power_cnf, MPH_POWER_CNF);
+        
+        if (alr_data->cs_data.p_power_cnf)
+        {
+          PFREE (alr_data->cs_data.p_power_cnf);
+        }
+
+        alr_data->cs_data.p_power_cnf = mph_power_cnf;
+
+        memset (alr_data->cs_data.p_power_cnf, 0, sizeof (T_MPH_POWER_CNF));
+
+        TIMERSTOP(TIM_POWERMEAS);
+
+        /* Sort the channels based on their RxLev */
+        cs_add_and_sort_channels ();
+
+        if(!IS_EXT_MEAS_RUNNING)
+        {
+          /* Free MPH_POWER_REQ buffer */
+          PFREE(alr_data->cs_data.p_power_req);
+
+          alr_data->cs_data.p_power_req = NULL;
+        }
+
+        /* Send fieldstrength list to RR */
+        ma_cs_power_cnf (mph_power_cnf);
+
+        /* we are done with power measurements, next comes the BCCH detection */
+        SET_STATE (STATE_CS, CS_NULL);
+
+        alr_data->cs_data.p_power_cnf = NULL;
+
+        ALR_EM_POWER_MEASUREMENT_CONFIRM;
+      }
+      else
+      if (alr_data->cs_data.c_meas < alr_data->cs_data.c_max_meas)
+      {
+       /*
+        * start next sample
+        */
+        if ((alr_data->cs_data.freq_area & ALL_FREQ_AREA) EQ ALL_FREQ_AREA)
+        { /*
+           * toggle radio_band and configure new before the next measurement
+           */
+          TRACE_EVENT_P2 ("cs_rxlev_ind(): area=%02x->%02x",
+            alr_data->cs_data.freq_area,
+            alr_data->cs_data.freq_area^NEXT_AMERICAN_AREA);
+          alr_data->cs_data.freq_area ^= NEXT_AMERICAN_AREA;
+#ifndef TI_PS_FF_QUAD_BAND_SUPPORT
+          SET_STATE (STATE_CS, CS_INIT_L1);
+#endif
+        }
+#ifndef TI_PS_FF_QUAD_BAND_SUPPORT
+        else
+        { /*
+           * start new measurement without new configuration of radio_band
+           */
+#endif
+        SET_STATE (STATE_CS, CS_START_MEASURE);
+#ifndef TI_PS_FF_QUAD_BAND_SUPPORT
+        }
+#endif
+        ma_cs_rxlev_req ();
+      }
+      break;
+
+    default:
+      break;
+  }
+}
+
+/*
++--------------------------------------------------------------------+
+| PROJECT : GSM-PS (8403)       MODULE  : ALR_CS                     |
+| STATE   : code                ROUTINE : cs_network_sync_ind        |
++--------------------------------------------------------------------+
+
+  PURPOSE : The function handles the result of a search for FCB or SCB.
+
+*/
+
+GLOBAL void cs_network_sync_ind (T_MPHC_NETWORK_SYNC_IND* sync_ind)
+{
+  GET_INSTANCE_DATA;
+  PALLOC (mph_bsic_cnf, MPH_BSIC_CNF);
+
+  alr_data->cs_data.sync_active = FALSE;
+  /*
+   * The BCCH fail counter has to be reinitialized for every new cell.
+   */
+  alr_data->cs_data.bcch_fail_count = CS_BCCH_FAIL_COUNT_MAX;
+  /*
+   * copy arfcn, rxlev and bsic
+   */
+  mph_bsic_cnf->arfcn  = ARFCN_STD_TO_G23(sync_ind->radio_freq, alr_data->cs_data.std);
+  mph_bsic_cnf->arfcn  = STD_ADD_TO_ARFCN(mph_bsic_cnf->arfcn, alr_data->cs_data.std);
+  /* US_BIT should be used to differentiate an US frequency channel. */
+  switch (alr_data->cs_data.std)
+  {
+    case STD_1900:
+    case STD_850:
+    case STD_DUAL_US:
+      mph_bsic_cnf->arfcn |= US_BIT;
+      break;
+#ifdef TI_PS_FF_QUAD_BAND_SUPPORT
+    case STD_850_1800:
+    case STD_850_900_1800:
+      if ((mph_bsic_cnf->arfcn >= LOW_CHANNEL_850) && (mph_bsic_cnf->arfcn <= HIGH_CHANNEL_850))
+        mph_bsic_cnf->arfcn |= US_BIT;
+      break;
+    case STD_900_1900:
+      if ((mph_bsic_cnf->arfcn >= LOW_CHANNEL_1900) && (mph_bsic_cnf->arfcn <= HIGH_CHANNEL_1900))
+        mph_bsic_cnf->arfcn |= US_BIT;
+      break;
+    case STD_850_900_1900:
+      if (mph_bsic_cnf->arfcn >= HIGH_CHANNEL_900)
+        mph_bsic_cnf->arfcn |= US_BIT;
+      break;
+#endif
+    default:
+      break;
+  }
+
+  /*
+   * set bsic and result code
+   */
+  mph_bsic_cnf->bsic   = (UBYTE)(sync_ind->bsic & 63);
+  mph_bsic_cnf->cs = sync_ind->sb_flag ? CS_NO_ERROR : CS_NO_BCCH_AVAIL;
+  
+/* Implements Measure#32: Row 21 and 22 */
+  if (sync_ind->sb_flag)
+  {
+    TRACE_EVENT_P3 ("network_sync_ind:[%u] rf=%u cs_std=%u OK",
+      mph_bsic_cnf->arfcn&ARFCN_MASK,
+      sync_ind->radio_freq, alr_data->cs_data.std);
+  }
+  else
+  {
+    TRACE_EVENT_P3 ("network_sync_ind:[%u] rf=%u cs_std=%u no BCCH avail.",
+      mph_bsic_cnf->arfcn&ARFCN_MASK,
+      sync_ind->radio_freq, alr_data->cs_data.std);
+  }
+
+  switch (GET_STATE(STATE_CS))
+  {
+    /*
+     * workarounds for crossing MPHC_STOP_NETWORK_SYNC_REQ and
+     * MPHC_NETWORK_SYNC_IND:
+     * It is possible to receive a MPHC_NETWORK_SYNC_IND from layer 1 at the
+     * same time as sending a MPHC_STOP_NETWORK_SYNC_REQ. The
+     * MPHC_STOP_NETWORK_SYNC_REQ will be ignored by the layer 1 and no
+     * STOP_NW_SYNC_CON will be send.
+     */
+  case CS_STOP_SYNC:
+    /* The state CS_STOP_SYNC was set and the MPHC_NETWORK_SYNC_REQ was
+     * interrupted to clean the way for a new MPHC_NETWORK_SYNC_REQ. A possible
+     * MPHC_NETWORK_SYNC_IND will be treated as MPHC_STOP_NETWORK_SYNC_CON
+     * because the result does not matter.
+     */
+    SET_STATE (STATE_CS, CS_STOP_SYNC_DONE);
+    cs_bsic_req(NULL);
+    /*lint -fallthrough */
+  default:
+    /*
+     * the synchronisation has been broken
+     */
+    ALR_TRACE_CS ("MPHC_NETWORK_SYNC_IND ignored");
+    PFREE (mph_bsic_cnf);
+    return;
+    /* break; */
+
+  case CS_NW_SYNC_TIMEOUT:
+    /*
+     * The state CS_NW_SYNC_TIMEOUT was set and the MPHC_NETWORK_SYNC_REQ was
+     * interrupted to limit the time for reading the BCCH. A possible
+     * MPHC_NETWORK_SYNC_IND will be treated normal. Otherwise, no BSIC_CNF
+     * will be sent to RR, and RR waits forever.
+     */
+    SET_STATE(STATE_CS, CS_ACTIVE_SYNC);
+    /*lint -fallthrough */
+  case CS_ACTIVE_SYNC:
+    ma_bsic_cnf (mph_bsic_cnf);
+    break;
+  }
+
+#ifdef GPRS
+  if(alr_data->gprs_data.pcco_active)
+  {
+    USHORT index;
+    /* store data in nc_data.cr_cell */
+    alr_data->nc_data.cr_cell.ba_arfcn     =
+      ARFCN_TO_G23(sync_ind->radio_freq)&ARFCN_MASK;
+    alr_data->nc_data.cr_cell.bsic         = (UBYTE)(sync_ind->bsic & 63);
+    alr_data->nc_data.cr_cell.frame_offset = sync_ind->fn_offset;
+    alr_data->nc_data.cr_cell.time_align   = sync_ind->time_alignment;
+
+    index = nc_get_index(alr_data->nc_data.cr_cell.ba_arfcn);
+    if ((index NEQ NOT_PRESENT_16BIT) AND (index NEQ LAST_BSIC_REQ))
+    {
+      /*
+       * update in nc_data also because this data is not valid
+       * anymore after a network_sync_req and in some special cases
+       * nc_start_reselect will use the data in nc_data.cell[index]
+       */
+      alr_data->nc_data.cell[index].bsic         = (UBYTE)(sync_ind->bsic & 63);
+      alr_data->nc_data.cell[index].frame_offset = sync_ind->fn_offset;
+      alr_data->nc_data.cell[index].time_align   = sync_ind->time_alignment;
+    }
+    SET_STATE(STATE_CS, CS_NULL);
+    return;
+  }
+#endif
+  if (sync_ind->sb_flag)
+  {
+    if (GET_STATE (STATE_CS) EQ CS_ACTIVE_SYNC)
+    {
+      USHORT arfcn;
+      PALLOC(new_scell, MPHC_NEW_SCELL_REQ);
+
+      arfcn = ARFCN_STD_TO_G23(sync_ind->radio_freq, alr_data->cs_data.std);
+      ALR_TRACE_CS_SYNC_VALID(arfcn, sync_ind->fn_offset,
+                              sync_ind->time_alignment);
+
+      /* store data in nc_data.cr_cell */
+      alr_data->nc_data.cr_cell.ba_arfcn     =
+        ARFCN_TO_G23(sync_ind->radio_freq)&ARFCN_MASK;
+      alr_data->nc_data.cr_cell.bsic         = sync_ind->bsic;
+      alr_data->nc_data.cr_cell.frame_offset = 0;
+      alr_data->nc_data.cr_cell.time_align   = 0;
+
+      new_scell->radio_freq     = sync_ind->radio_freq;
+      new_scell->fn_offset      = sync_ind->fn_offset;
+      new_scell->time_alignment = sync_ind->time_alignment;
+      new_scell->tsc            = sync_ind->bsic;
+
+      ALR_EM_BSIC_CONFIRM(EM_AVAIL);
+
+      /* after successful sync we can use narrow band search mode for 
+       * subsequent syncs.
+       */
+      alr_data->cs_data.search_mode = SM_NARROW_MODE;
+      alr_data->cs_data.sync_fail_count = CS_SYNC_FAIL_COUNT_MAX;
+
+      alr_data->sc_band = get_band (arfcn);
+      ma_new_scell_req(new_scell);
+    }
+  }
+  else
+  {
+    ALR_TRACE_CS ("INVALID BLOCK");
+
+    ALR_EM_BSIC_CONFIRM(EM_NOT_AVAIL);
+    /* If there are too many failed sync attempts in a row the AFC value
+     * in L1 might be screwed up somehow.
+     */
+    if(alr_data->cs_data.sync_fail_count EQ 0)
+    {
+      alr_data->cs_data.sync_fail_count = CS_SYNC_FAIL_COUNT_MAX;
+      alr_data->cs_data.search_mode = SM_WIDE_MODE;
+    }
+    else
+    {
+      alr_data->cs_data.sync_fail_count -= 1;
+    }
+
+  }
+  SET_STATE(STATE_CS, CS_NULL);
+}
+
+
+/*
++--------------------------------------------------------------------+
+| PROJECT : GSM-PS (8403)       MODULE  : ALR_CS                     |
+| STATE   : code                ROUTINE : cs_stop                    |
++--------------------------------------------------------------------+
+
+  PURPOSE : Process signal cs_stop from SDL process
+            Main_Control. This function stops all cell selection
+         activities of ALR.
+
+*/
+
+GLOBAL void cs_stop (void)
+{
+  GET_INSTANCE_DATA;
+  switch (GET_STATE (STATE_CS))
+  {
+    case CS_ACTIVE_MEASURE:
+    {
+      PALLOC (stop_req, MPHC_STOP_RXLEV_REQ);
+      PSENDX (L1, stop_req);
+      if ( IS_EXT_MEAS_RUNNING )
+      {
+        /* wait for MPHC_RXLEV_IND */
+        alr_data->cs_data.ext_meas_state_pend = CS_ACTIVE_MEASURE;
+      }
+      break;
+    }
+    case CS_ACTIVE_SYNC:
+    {
+      PALLOC (stop_req, MPHC_STOP_NETWORK_SYNC_REQ);
+      TIMERSTOP(TIM_NW_SYNC_GUARD);
+      PSENDX (L1, stop_req);
+      break;
+    }
+    case CS_ACTIVE_BCCH:
+      /*
+       * Stop BCCH reading
+       */
+      ma_stop_scell_bcch_req ();
+      break;
+    default:
+      break;
+  }
+  SET_STATE (STATE_CS, CS_NULL);
+}
+
+/*
++--------------------------------------------------------------------+
+| PROJECT : GSM-PS (8403)       MODULE  : ALR_CS                     |
+| STATE   : code                ROUTINE : cs_read_scell_bcch         |
++--------------------------------------------------------------------+
+
+  PURPOSE : Process signal cs_read_scell_bcch from SDL process
+            Main_Control. This funtion requests reading of the full
+            serving cell BCCH.
+
+*/
+GLOBAL void cs_read_scell_bcch (void)
+{
+  GET_INSTANCE_DATA;
+    /*
+     * send bcch req
+     * do full normal BCCH reading(modulus=1,position=0)
+     */
+    SET_STATE(STATE_CS, CS_ACTIVE_BCCH);
+    ma_scell_full_nbcch();
+}
+
+
+/*
++--------------------------------------------------------------------+
+| PROJECT : GSM-PS (8403)       MODULE  : ALR_CS                     |
+| STATE   : code                ROUTINE : cs_add_and_sort_channels   |
++--------------------------------------------------------------------+
+
+  PURPOSE : Accumulate power measurements for all found channels
+            sorted by highest fieldstrength.
+*/
+
+LOCAL void cs_add_and_sort_channels (void)
+{
+  GET_INSTANCE_DATA;
+  T_MPH_POWER_CNF* mph_power_cnf = alr_data->cs_data.p_power_cnf;
+  T_MPH_POWER_REQ* mph_power_req = alr_data->cs_data.p_power_req;
+  T_POWER_MEAS *p_results[MAX_REGIONS];
+  T_POWER_ARRAY *parray, *pbig, *last;
+  SHORT    rxlev, min_rxlev[MAX_NUM_BANDS+1];
+  /*lint -e644 (Warning -- Variable 'band_index'  may not have been initialized) */
+  UBYTE x, band_index = 0;
+  /*lint +e644 (Warning -- Variable 'band_index'  may not have been initialized) */
+  U16      i, j, p_results_size[MAX_REGIONS], arfcn;
+  U8       radio_band_config, std[MAX_REGIONS];
+  U8       no_of_attempts, region, where_to_add;
+  U8       i_cnf, extra_cnf, extra_space;
+  U8       no_of_carriers_per_band[4] = {0, 0, 0, 0}; /* Counter for Multible frequency band in a Region
+                                                       * Index 0 for GSM_900,
+                                                       * Index 1 for DCS_1800,
+                                                       * Index 2 for GSM_850,
+                                                       * Index 3 for PCS_1900
+                                                       */
+  /* Obtain data for European region */
+  p_results[EUROPEAN_REGION]      = alr_data->cs_data.p_results1;
+  p_results_size[EUROPEAN_REGION] = alr_data->cs_data.p_results1 ? 
+    (alr_data->cs_data.p_results1->power_array_size) : 0;
+
+  /* Obtain data for American region */
+  p_results[AMERICAN_REGION]      = alr_data->cs_data.p_results2;
+  p_results_size[AMERICAN_REGION] = alr_data->cs_data.p_results2 ? 
+    alr_data->cs_data.p_results2->power_array_size : 0;
+
+  TRACE_FUNCTION ( "cs_add_and_sort_channels()" );
+
+  if (!mph_power_cnf)
+  {
+    TRACE_EVENT ("mph_power_cnf EQ NULL");
+    SET_STATE (STATE_CS, CS_NULL);
+    return;
+  }
+
+  i_cnf = 0;
+  extra_cnf = MAX_CHANNELS - 1;
+  mph_power_cnf->num_of_chan = 0;
+
+
+  /* Set the minimum signal level */
+  if ( IS_EXT_MEAS_RUNNING  )
+  {
+    no_of_attempts = power_scan_attempts[FULL_SEARCH_MODE];
+    for(x=0 ; x<=MAX_NUM_BANDS ; x++ )
+        min_rxlev[x] = SHRT_MIN + 1;
+  }
+  else
+  {
+    if (!mph_power_req)
+    {
+      TRACE_EVENT ("mph_power_req EQ NULL");
+      SET_STATE (STATE_CS, CS_NULL);
+      return;
+    }
+
+    no_of_attempts = power_scan_attempts[mph_power_req->search_mode];
+    for(x=0 ; x<MAX_NUM_BANDS ; x++ )
+        min_rxlev[x]      = mph_power_req->lower_rxlevel_threshold[x] * no_of_attempts;
+    /* If the std value cannot be retreived use the 
+      * default lower_rxlev_threshold value of 4
+      */
+    min_rxlev[MAX_NUM_BANDS] = LOWER_RXLEV_THRESHOLD; 
+  }
+
+  TRACE_EVENT_P5 ("cs_add_and_sort_channels: std12=%02x max=%u/%u a='%c%c'",
+    alr_data->cs_data.std12,
+    p_results_size[EUROPEAN_REGION],
+    p_results_size[AMERICAN_REGION],
+    (alr_data->cs_data.freq_area & EUROPEAN_FREQ_AREA) ? 'E' : ' ',
+    (alr_data->cs_data.freq_area & AMERICAN_FREQ_AREA) ? 'A' : ' ');
+
+  if ((alr_data->cs_data.freq_area&ALL_FREQ_AREA) EQ ALL_FREQ_AREA)
+  {
+    /* use 'std' values saved by cs_prepare_power_req() */
+    std[EUROPEAN_REGION] = alr_data->cs_data.std12&0x0f;
+    std[AMERICAN_REGION] = alr_data->cs_data.std12>>4;
+  }
+  else
+  {
+    /* only one area */
+    std[EUROPEAN_REGION] = std[AMERICAN_REGION] = alr_data->cs_data.std;
+    if (alr_data->cs_data.freq_area & EUROPEAN_FREQ_AREA)
+      p_results_size[AMERICAN_REGION] = 0;
+    if (alr_data->cs_data.freq_area & AMERICAN_FREQ_AREA)
+      p_results_size[EUROPEAN_REGION] = 0;
+  }
+
+  if( IS_EXT_MEAS_RUNNING )
+  {
+    /* 
+     * According to 3GPP 05 08
+     * Section "Range of parameter RxLev"
+     *
+     * The measured signal level shall be mapped to an RXLEV value between 0 and 63, as follows:
+     * RXLEV 0 = less than    -110 dBm + SCALE.
+     * RXLEV 1 =  -110 dBm + SCALE  to  -109 dBm + SCALE.
+     * RXLEV 2 =  -109 dBm + SCALE  to  -108 dBm + SCALE.
+     * :
+     * :
+     * RXLEV 62 =  -49 dBm + SCALE  to  -48 dBm + SCALE.
+     * RXLEV 63 = greater than   -48 dBm + SCALE.
+     * where SCALE is an offset that is used only in the ENHANCED MEASUREMENT REPORT message, 
+     * otherwise it is set to 0. 
+     */
+
+    for(i=0; i < p_results_size[EUROPEAN_REGION]; i++)
+      if( p_results[EUROPEAN_REGION]->power_array->accum_power_result < 0 )
+        p_results[EUROPEAN_REGION]->power_array->accum_power_result = 0;
+
+    for(i=0; i < p_results_size[AMERICAN_REGION]; i++)
+      if( p_results[AMERICAN_REGION]->power_array->accum_power_result < 0 )
+        p_results[AMERICAN_REGION]->power_array->accum_power_result = 0;
+  }
+  else
+  {
+    /* LLD Section : 4.1.3.4.2
+     * Find all inactive carriers and add them to MPH_POER_CNF
+     * Also set the Rxlev of all Black Listed carriers to less than
+     * Lower_Rxlev_Threshold
+     */
+
+    TRACE_EVENT_P2("BIC->PWR array size, E:%d, A:%d", 
+                    p_results_size[0], p_results_size[1]);
+
+    cs_find_inactive_carriers(p_results, p_results_size,
+                              std, no_of_attempts,
+                              min_rxlev);
+
+    TRACE_EVENT_P2("AIC->PWR array size, E:%d, A:%d",
+                     p_results_size[0], p_results_size[1]);
+
+    /*
+     * If the search mode is BLACK_LIST_SEARCH_MODE no need for sorting 
+     * (based on RXLEV) the carriers (RR will look only for
+     * inactive carrier list)
+     */
+    if(mph_power_req->search_mode EQ BLACK_LIST_SEARCH_MODE)
+    {
+      /* Allow measurement indications posting to RR */
+      SET_STATE(STATE_NC,NC_IDLE);
+      return;
+    }
+
+    /* Put whitelist carriers at the top of power cnf list */
+    if(mph_power_req->white_list.white_list_valid)
+    {
+      region = mph_power_req->white_list.region;
+
+      switch(mph_power_req->white_list.region)
+      {
+        case EUROPEAN_REGION :
+        case AMERICAN_REGION :
+#ifdef TI_PS_FF_QUAD_BAND_SUPPORT
+        case BOTH_REGIONS:
+          i_cnf = cs_add_whitelist_carriers(p_results_size, std,
+                                            no_of_attempts,
+                                            min_rxlev, p_results,
+                                            no_of_carriers_per_band);
+#else
+          i_cnf = cs_add_whitelist_carriers(p_results_size,
+                                            std[region], no_of_attempts,
+                                            min_rxlev, p_results[region],
+                                            no_of_carriers_per_band);
+#endif
+          TRACE_EVENT_P5(
+            "[%c]White list Area (B_GSM_EGSM:%d, B_1800:%d, B_850:%d, B_1900:%d)",
+            (mph_power_req->white_list.region ? 'A' : 'E'),
+            no_of_carriers_per_band[0], no_of_carriers_per_band[1],
+            no_of_carriers_per_band[2], no_of_carriers_per_band[3]);          
+          break;
+        default :
+          TRACE_EVENT_P1("Invalid whitelist region:%d",region);
+          break;
+      }
+    } /* white list valid */
+    else
+    {
+      TRACE_EVENT("WL is absent");
+    }
+  } /* !ext_meas */
+
+  TRACE_EVENT_P3("AWL->PWR array size, E:%d A:%d i_cnf:%d",
+                  p_results_size[0], p_results_size[1],i_cnf);
+
+  while (i_cnf < MAX_CHANNELS)
+  {
+    pbig=NULL;
+    rxlev = 0;
+    radio_band_config = where_to_add =0x00;
+
+    /* Loop through both regions */
+    for (i=0;i<MAX_REGIONS;i++)
+    {
+      if((p_results_size[i]) AND (p_results[i] NEQ NULL))
+      {
+        parray = p_results[i]->power_array;
+
+        for (j=0; j<p_results_size[i]; j++, parray++)
+        {
+          arfcn = ARFCN_STD_TO_G23(parray->radio_freq, std[i]);
+          /*lint -e661 (Warning -- Possible access of out-of-bounds) */
+          get_band_index_from_arfcn(arfcn, x, std[i]); 
+          if (parray->accum_power_result >= min_rxlev[x] AND parray->accum_power_result > rxlev)
+          {
+            pbig = parray;
+            rxlev = parray->accum_power_result;
+            radio_band_config = std[i];
+            region = (U8) i;
+            band_index = x;
+          }
+          /*lint +e661 (Warning -- Possible access of out-of-bounds) */
+        }
+      }
+    }
+
+    if( pbig NEQ NULL )
+    {
+      arfcn = ARFCN_STD_TO_G23(pbig->radio_freq, radio_band_config);
+      if (rxlev > (min_rxlev[band_index] -1))
+      {
+        /* fill mph_power_cnf */
+        arfcn = STD_ADD_TO_ARFCN(arfcn, radio_band_config);
+
+        /* US_BIT should be used to differentiate an US frequency channel. */
+        switch (radio_band_config)
+        {
+          case STD_1900:
+          case STD_850:
+          case STD_DUAL_US:
+            arfcn |= US_BIT;
+            break;
+          default:
+            break;
+        }
+
+        where_to_add = cs_restrict_max_carriers_per_band(
+                         arfcn&ARFCN_MASK, 
+                         radio_band_config,
+                         no_of_carriers_per_band,
+                         p_results_size, min_rxlev[band_index]);
+
+        if(where_to_add EQ ADD_AT_THE_TOP)
+        {  
+          /* First 40 Strongest Cariiers */
+          mph_power_cnf->arfcn[i_cnf]  = arfcn;
+          mph_power_cnf->rx_lev[i_cnf] = (U8)(rxlev/no_of_attempts);
+  
+          i_cnf++;
+        }
+        else if(where_to_add EQ ADD_AT_THE_BOTTOM)
+        {
+          /* Strongest Carriers which fall between 41 to 60 */
+          if(extra_cnf >= i_cnf)
+          {
+            mph_power_cnf->arfcn[extra_cnf]  = arfcn;
+            mph_power_cnf->rx_lev[extra_cnf] = (U8)(rxlev/no_of_attempts);
+
+            extra_cnf--;
+          }
+          else
+          {
+            TRACE_EVENT_P2("MPH_POWER_CNF crossover, i_cnf: %d extra_cnf: %d",
+              i_cnf, extra_cnf);
+          }
+        }
+
+       /* After adding a carrier to MPH_POWER_CNF, the particular carrier will be 
+        * replaced by the Last carrier of that region. So that we could avoid
+        * searching the already added (MPH_POWER_CNF) carrier.
+        */
+        if(where_to_add NEQ REACHED_THE_MAXIMUM)
+        {
+          last = p_results[region]->power_array + (p_results_size[region]-1);/*lint !e644 region may not have been initialized */
+  
+          pbig->accum_power_result = min_rxlev[band_index] - 1;
+        
+          cs_power_array_swap_arfcn(pbig, last);
+  
+          p_results_size[region]--;
+        }
+        else
+        {
+          TRACE_EVENT_P4("RTM->PWR array size, E:%d A:%d i_cnf:%d extra_cnf:%d",
+            p_results_size[0], p_results_size[1],i_cnf, 
+            (MAX_CHANNELS-(extra_cnf+1)));
+        }
+      }
+    }
+    else
+      break; /* no level found higher or equal than min_rxlev -> break sort/fill */
+
+  }/* while (i_cnf < MAX_CHANNELS) */
+
+  mph_power_cnf->num_of_chan = i_cnf;
+
+  /* Obtain the number of extra channels(41 to 60) added to 
+   * Power cnf array 
+   */
+  extra_cnf   = MAX_CHANNELS - (extra_cnf+1);
+
+  /* Obtain the amount of space available for extra channels
+   * in power_cnf array
+   */
+  extra_space = MAX_CHANNELS - i_cnf;
+
+  TRACE_EVENT_P3("After Sorting, i_cnf:%d extra_cnf:%d extra_space:%d",
+                 i_cnf,extra_cnf,(extra_space-extra_cnf));
+
+  if(extra_cnf AND extra_space)
+  {
+    /* Extra channels are present and space to fit them is also available */
+    if(extra_space < extra_cnf)
+    {
+      /* Some of the extra channels(41 to 60) are overwritten
+       * Ignore them
+       */
+      extra_cnf = extra_space;
+    }
+
+     /* Reordering the carriers(41 to 60) from Strongest to Weakest */
+     cs_reorder_the_extra_carriers(extra_cnf);
+
+     /* Move the extra carriers up in power_cnf array, in case there
+      * is empty gap between i_cnf and extra_cnf channels
+      */
+     if(extra_space > extra_cnf)
+       cs_move_extra_carriers(i_cnf, extra_cnf);
+
+     mph_power_cnf->num_of_chan += extra_cnf;
+  }
+
+  TRACE_EVENT_P5(
+    "No. of carriers in POWER_CNF:%d (B_GSM_EGSM:%d, B_1800:%d, B_850:%d, B_1900:%d)",
+    mph_power_cnf->num_of_chan,
+    no_of_carriers_per_band[0], no_of_carriers_per_band[1],
+    no_of_carriers_per_band[2], no_of_carriers_per_band[3]);
+}
+
+
+
+/*
++--------------------------------------------------------------------+
+| PROJECT : GSM-PS (8403)       MODULE  : ALR_CS                     |
+| STATE   : code                ROUTINE : get_band                   |
++--------------------------------------------------------------------+
+
+  PURPOSE : The function extracts the frequency band from the given
+            'arfcn' parameter.
+*/
+
+GLOBAL UBYTE get_band (USHORT arfcn)
+{
+  UBYTE local_std = STD_GET_FROM_ARFCN(arfcn);
+  UBYTE sc_band;
+
+  if (local_std EQ 0)
+    local_std = std;
+
+  switch (local_std)
+  {
+    case STD_900:
+      sc_band = BAND_GSM_900;
+      break;
+
+    case STD_EGSM:
+      sc_band = BAND_E_GSM;
+      break;
+
+    case STD_1800:
+      sc_band = BAND_DCS_1800;
+      break;
+
+    case STD_1900:
+      sc_band = BAND_PCS_1900;
+      break;
+
+    case STD_850:
+      sc_band = BAND_GSM_850;
+      break;
+
+    case STD_DUAL:
+      if (arfcn >= LOW_CHANNEL_1800)
+        sc_band = BAND_DCS_1800;
+      else
+        sc_band = BAND_GSM_900;
+      break;
+
+    case STD_DUAL_EGSM:
+      if (arfcn >= LOW_CHANNEL_EGSM)
+        sc_band = BAND_E_GSM;
+      else if (arfcn >= LOW_CHANNEL_1800)
+        sc_band = BAND_DCS_1800;
+      else if (arfcn EQ CHANNEL_0)
+        sc_band = BAND_E_GSM;
+      else
+        sc_band = BAND_GSM_900;
+      break;
+
+    case STD_DUAL_US:
+      if (arfcn >= LOW_CHANNEL_1900)
+        sc_band = BAND_PCS_1900;
+      else
+        sc_band = BAND_GSM_850;
+      break;
+
+#ifdef TI_PS_FF_QUAD_BAND_SUPPORT
+    case STD_850_1800:
+      if (arfcn >= LOW_CHANNEL_1800)
+        sc_band = BAND_DCS_1800;
+      else
+        sc_band = BAND_GSM_850;
+      break;
+
+    case STD_900_1900:
+      if (arfcn >= LOW_CHANNEL_EGSM)
+        sc_band = BAND_E_GSM;
+      else if (arfcn >= LOW_CHANNEL_1900)
+        sc_band = BAND_PCS_1900;
+      else if (arfcn EQ CHANNEL_0)
+        sc_band = BAND_E_GSM;
+      else
+        sc_band = BAND_GSM_900;
+      break;
+
+    case STD_850_900_1800:
+      if (arfcn >= LOW_CHANNEL_EGSM)
+        sc_band = BAND_E_GSM;
+      else if (arfcn >= LOW_CHANNEL_1800)
+        sc_band = BAND_DCS_1800;
+      else if (arfcn EQ CHANNEL_0)
+        sc_band = BAND_E_GSM;
+      else if (arfcn >= LOW_CHANNEL_850)
+        sc_band = BAND_GSM_850;
+      else
+        sc_band = BAND_GSM_900;
+      break;
+
+    case STD_850_900_1900:
+      if (arfcn >= LOW_CHANNEL_EGSM)
+        sc_band = BAND_E_GSM;
+      else if (arfcn >= LOW_CHANNEL_1900)
+        sc_band = BAND_PCS_1900;
+      else if (arfcn EQ CHANNEL_0)
+        sc_band = BAND_E_GSM;
+      else if (arfcn >= LOW_CHANNEL_850)
+        sc_band = BAND_GSM_850;
+      else
+        sc_band = BAND_GSM_900;
+      break;
+#endif
+
+    default:
+      sc_band = 0;
+      break;
+  }
+  /* this trace causes a lot of trace load; switch on only if needed
+  TRACE_EVENT_P2 ("[%u] sc_band=%02x", arfcn&ARFCN_MASK, sc_band);
+  */
+  return sc_band;
+}
+
+/*
++--------------------------------------------------------------------+
+| PROJECT : GSM-PS (8403)       MODULE  : ALR_CS                     |
+| STATE   : code                ROUTINE : cs_increment_bfc           |
++--------------------------------------------------------------------+
+
+  PURPOSE : The function increments the BCCH fail counter. This 
+            counter is decremented on every invalid BCCH block read 
+            during CS. It is incremented on evry valid block read on
+            BCCH during CS. Valid means in this case that there was a
+            SYS Info decodable in the block on the BCCH. There is a 
+            maximum value to start with and when the counter reaches 
+            0 we switch back to wide band search mode for further
+            MPHC_NETWORK_SYNC_REQs (if any).
+*/
+
+GLOBAL void cs_increment_bfc (void)
+{
+  GET_INSTANCE_DATA;
+  alr_data->cs_data.bcch_fail_count += 1;
+  if(alr_data->cs_data.bcch_fail_count > CS_BCCH_FAIL_COUNT_MAX)
+    alr_data->cs_data.bcch_fail_count = CS_BCCH_FAIL_COUNT_MAX;
+}
+
+
+/*
++--------------------------------------------------------------------+
+| PROJECT : GSM-PS (8403)       MODULE  : ALR_CS                     |
+| STATE   : code                ROUTINE : cs_decrement_bfc           |
++--------------------------------------------------------------------+
+
+  PURPOSE : The function decrements the BCCH fail counter. This 
+            counter is decremented on every invalid BCCH block read 
+            during CS. It is incremented on evry valid block read on
+            BCCH during CS. Valid means in this case that there was a
+            SYS Info decodable in the block on the BCCH. There is a 
+            maximum value to start with and when the counter reaches 
+            0 we switch back to wide band search mode for further
+            MPHC_NETWORK_SYNC_REQs (if any).
+*/
+
+GLOBAL void cs_decrement_bfc (void)
+{
+  GET_INSTANCE_DATA;
+  if(alr_data->cs_data.bcch_fail_count < 3)
+  {
+    alr_data->cs_data.bcch_fail_count = 0;
+    alr_data->cs_data.search_mode = SM_WIDE_MODE;
+  }
+  else
+    alr_data->cs_data.bcch_fail_count -= 2;
+
+}
+
+
+/*
++--------------------------------------------------------------------+
+| PROJECT : GSM-PS (8403)       MODULE  : ALR_CS                     |
+| STATE   : code                ROUTINE : cs_set_wideband_sync       |
++--------------------------------------------------------------------+
+
+  PURPOSE : The function sets wide band search mode for further
+            MPHC_NETWORK_SYNC_REQs (if any).
+*/
+
+GLOBAL void cs_set_wideband_sync (void)
+{
+  GET_INSTANCE_DATA;
+  alr_data->cs_data.search_mode = SM_WIDE_MODE;
+}
+
+/*
++--------------------------------------------------------------------+
+| PROJECT : GSM-PS (8403)       MODULE  : ALR_CS                     |
+| STATE   : code                ROUTINE : cs_is_in_black_list        |
++--------------------------------------------------------------------+
+
+  PURPOSE : The function checks whether the given carrier is in the
+            Blacklist or not
+            CSI-LLD section: 4.1.3.4.2.1
+*/
+
+LOCAL BOOL cs_is_in_black_list(U8 region,U16 arfcn)
+{
+  GET_INSTANCE_DATA;
+  BOOL ret = FALSE;
+
+  if((region EQ EUROPEAN_REGION) OR (region EQ AMERICAN_REGION))
+  {
+    if(alr_data->cs_data.p_power_req->search_mode EQ FULL_SEARCH_MODE)
+    {
+      return ret;
+    }
+
+    ret = srv_get_channel((T_LIST*)&alr_data->cs_data.p_power_req->black_list.list[region],
+                            arfcn&ARFCN_MASK);
+
+    if(ret)
+    {
+      if(srv_get_region_from_std(alr_data->cs_data.std) == region
+         AND nc_is_in_ba(arfcn&ARFCN_MASK))
+      {
+        TRACE_EVENT_P1 ("ARFCN %d found in BA and Black list", arfcn & ARFCN_MASK);
+        ret = FALSE;
+      }
+    }    
+
+  }
+  return ret;
+}
+
+/*
++--------------------------------------------------------------------+
+| PROJECT : GSM-PS (8403)       MODULE  : ALR_CS                     |
+| STATE   : code                ROUTINE : cs_find_inactive_carriers  |
++--------------------------------------------------------------------+
+
+  PURPOSE : 1. Finds all inactive carriers
+            2. Sets the RxLev of all Blacklisted carriers to less than
+               LOWER_RXLEV_THRESHOLD
+            CSI-LLD Section: 4.1.3.8.2.2.1
+            CSI-LLD Section: 4.2
+*/
+
+LOCAL void cs_find_inactive_carriers (T_POWER_MEAS **p_results,
+                                      U16 p_results_size[2],U8 *std,
+                                      U8 no_of_attempts, SHORT *min_rxlev)
+{
+  GET_INSTANCE_DATA;
+  T_POWER_ARRAY* parray, *last;
+  U16 j, arfcn;
+  U8 i, x=0;
+  T_MPH_POWER_CNF* mph_power_cnf = alr_data->cs_data.p_power_cnf;
+
+  TRACE_FUNCTION("cs_find_inactive_carriers ()");
+
+  /* Loop through both regions */
+  for (i=0;i<MAX_REGIONS;i++)
+  {
+    if((p_results_size[i]) AND (p_results[i] NEQ NULL))
+    {
+      parray = p_results[i]->power_array;
+
+      for (j=0; j<p_results_size[i];)
+      {
+        arfcn = ARFCN_STD_TO_G23(parray->radio_freq, std[i]);
+        /* Pointer to the Last Power array for a particular region */
+        last = (p_results[i]->power_array + (p_results_size[i]-1));
+        /*lint -e661 (Warning -- Possible access of out-of-bounds) */
+        get_band_index_from_arfcn(arfcn, x, std[i]);
+        if (parray->accum_power_result < min_rxlev[x])
+        {
+        /*lint +e661 (Warning -- Possible access of out-of-bounds) */
+          /* Inactive carrier */
+          srv_set_channel((T_LIST*)&mph_power_cnf->inactive_carrier_list.list[i],
+                          arfcn&ARFCN_MASK);
+          
+          /* Replace inactive carrier with the last active carrier */
+          cs_power_array_swap_arfcn(parray,last);
+ 
+          /* Decrement the power array size to exclude this carrier */
+          p_results_size[i]--;
+        }
+        else if(cs_is_in_black_list(i, (U16)(arfcn&ARFCN_MASK)))
+        {
+          /* Carrier is black listed. No need to consider this */
+          /*lint -e661 (Warning -- Possible access of out-of-bounds) */
+          parray->accum_power_result = min_rxlev[x]-1;
+          /*lint +e661 (Warning -- Possible access of out-of-bounds) */
+          /* Replace inactive carrier with the last active carrier */
+          cs_power_array_swap_arfcn(parray,last);
+ 
+          /* Decrement the power array size to exclude this carrier */
+          p_results_size[i]--;
+
+        }
+        else
+        {
+          j++, parray++;
+        }
+      } /* for size */
+    } /* if size */
+  }  /* MAX_REGIONS */
+}
+
+
+/*
++--------------------------------------------------------------------+
+| PROJECT : GSM-PS (8403)       MODULE  : ALR_CS                     |
+| STATE   : code                ROUTINE : cs_whitelist_handle        |
++--------------------------------------------------------------------+
+
+  PURPOSE : This function puts the White carriers at the top of the 
+            MPH_POWER_CNF list
+            CSI-LLD 4.1.3.4.2.7
+*/
+
+#ifdef TI_PS_FF_QUAD_BAND_SUPPORT
+LOCAL U8 cs_add_whitelist_carriers(U16 p_results_size[2], U8 *r_std, U8 no_of_attempts, 
+                                   SHORT *min_rxlev, T_POWER_MEAS **presults,
+                                   U8 no_of_carriers_per_band[4])
+#else
+LOCAL U8 cs_add_whitelist_carriers(U16 p_results_size[2], U8 std, U8 no_of_attempts, 
+                                   SHORT *min_rxlev,
+                                   T_POWER_MEAS *presults,
+                                   U8 no_of_carriers_per_band[4])
+#endif
+{
+  GET_INSTANCE_DATA;
+  T_MPH_POWER_CNF* mph_power_cnf = alr_data->cs_data.p_power_cnf;
+  T_MPH_POWER_REQ* mph_power_req = alr_data->cs_data.p_power_req;
+  U8  i_cnf,j, where_to_add = DO_NOT_ADD;
+  U8  region = mph_power_req->white_list.region;
+  U16 i,arfcn, temp_arfcn;
+  U8  temp_rxlev;
+  UBYTE x=0;
+  T_POWER_ARRAY *parray, *last;
+#ifdef TI_PS_FF_QUAD_BAND_SUPPORT
+  U8 std, start_region, no_of_regions, k;
+#endif
+
+  TRACE_FUNCTION ("cs_add_whitelist_carriers()");
+
+  i_cnf = 0;
+
+#ifdef TI_PS_FF_QUAD_BAND_SUPPORT
+  if (region EQ BOTH_REGIONS)
+  {
+    if((!(p_results_size[EUROPEAN_REGION]) OR (presults[EUROPEAN_REGION] EQ NULL)) AND 
+       (!(p_results_size[AMERICAN_REGION]) OR (presults[AMERICAN_REGION] EQ NULL)))
+       return i_cnf;
+  }
+  else if(!(p_results_size[region]) OR (presults EQ NULL))
+  {
+#endif
+    return i_cnf;
+#ifdef TI_PS_FF_QUAD_BAND_SUPPORT
+  }
+#endif
+
+  /* Move the white list carriers to MPH_POWER_CNF array first */
+#ifdef TI_PS_FF_QUAD_BAND_SUPPORT
+  if (region EQ BOTH_REGIONS)
+  {
+    start_region = EUROPEAN_REGION;
+    no_of_regions = MAX_REGIONS;
+  }
+  else if (region EQ EUROPEAN_REGION)
+  {
+    start_region = region;
+    no_of_regions = MAX_REGIONS - 1;
+  }
+  else
+  {
+    start_region = region;
+    no_of_regions = MAX_REGIONS;
+  }
+  
+  for (k=start_region; k< no_of_regions; k++)
+  {
+    std = r_std[k];
+    parray = presults[k]->power_array;
+
+    for (i=0; (i<p_results_size[k] AND i_cnf < 32); )
+#else
+  for (i=0; (i<p_results_size[region] AND i_cnf < 32); )
+#endif
+    {
+    /* Convert to GSM standard format from L1 format*/
+    arfcn = ARFCN_STD_TO_G23(parray->radio_freq,std);
+    /*lint -e661 (Warning -- Possible access of out-of-bounds) */
+    get_band_index_from_arfcn(arfcn, x, std);
+    if (parray->accum_power_result > (min_rxlev[x] - 1))
+    {
+    /*lint +e661 (Warning -- Possible access of out-of-bounds) */
+      if(srv_get_channel((T_LIST*)&mph_power_req->white_list.list, arfcn&ARFCN_MASK))
+      {
+
+        /* Channel is present in white list. Add this to top of MPH_POWER_CNF */
+        arfcn = STD_ADD_TO_ARFCN(arfcn, std);
+
+        /* US_BIT should be used to differentiate an US frequency channel. */
+        switch (std)
+        {
+          case STD_1900:
+          case STD_850:
+          case STD_DUAL_US:
+            arfcn |= US_BIT;
+            break;
+          default:
+            break;
+        }
+        /*lint -e661 (Warning -- Possible access of out-of-bounds) */
+        where_to_add = cs_restrict_max_carriers_per_band(arfcn&ARFCN_MASK, std,
+                                       no_of_carriers_per_band, p_results_size, min_rxlev[x]);
+        /*lint +e661 (Warning -- Possible access of out-of-bounds) */
+        if(where_to_add NEQ DO_NOT_ADD)
+        {
+          /* White list carriers are always added at the top */
+          mph_power_cnf->arfcn[i_cnf]  = arfcn;
+          mph_power_cnf->rx_lev[i_cnf] = (U8)(parray->accum_power_result/no_of_attempts);
+          i_cnf++;
+        }
+        else
+        {
+#ifdef TI_PS_FF_QUAD_BAND_SUPPORT
+            TRACE_EVENT_P2("[WL] [DO_NOT_ADD] [%d] : [%c]", arfcn&ARFCN_MASK,
+                            (k ? 'A' :'E'));
+#else
+            TRACE_EVENT_P2("[WL] [DO_NOT_ADD] [%d] : [%c]", arfcn&ARFCN_MASK,
+                            (region ? 'A' :'E'));
+#endif
+          }
+
+          /* Exclude this carrier */
+          parray->accum_power_result = min_rxlev[x]-1;
+
+#ifdef TI_PS_FF_QUAD_BAND_SUPPORT
+          last = presults[k]->power_array + (p_results_size[k] - 1);
+#else
+        last = presults->power_array + (p_results_size[region] - 1);
+#endif
+
+        /* Swapping the current carrier with the last carrier */
+        cs_power_array_swap_arfcn(parray, last);
+
+        /* Decrement the power array counter to exclude the above carrier */
+#ifdef TI_PS_FF_QUAD_BAND_SUPPORT
+          p_results_size[k]--;
+#else
+          p_results_size[region]--;
+#endif
+
+      } /* Present in White List */
+      else
+      {
+        i++; parray++;
+      }
+    } /* Active Carrier */
+    else 
+    {
+#ifdef TI_PS_FF_QUAD_BAND_SUPPORT
+        TRACE_EVENT_P2("[WL] [IA] [%d] : [%c]", parray->radio_freq,
+                        (k ? 'A' :'E'));
+#else
+        TRACE_EVENT_P2("[WL] [IA] [%d] : [%c]", parray->radio_freq,
+                        (region ? 'A' :'E'));
+#endif
+      i++; parray++;
+    }
+  } /* i < max */
+#ifdef TI_PS_FF_QUAD_BAND_SUPPORT
+  }
+#endif
+
+  /* Assign the total Number of white list channels */
+  mph_power_cnf->num_of_white_list_chan = i_cnf;
+
+  TRACE_EVENT_P1("[WL] no. of channels : %d ",mph_power_cnf->num_of_white_list_chan);
+
+  /*
+   * Sort the white list carriers added to power_cnf array on the 
+   * basis of their field strength
+   */
+  for(i=0; i < i_cnf; i++)
+  {
+    for(j=i+1; j<i_cnf; j++)
+    {
+      if(mph_power_cnf->rx_lev[i] < mph_power_cnf->rx_lev[j])
+      {
+        temp_rxlev = mph_power_cnf->rx_lev[i];
+        temp_arfcn = mph_power_cnf->arfcn[i];
+
+        mph_power_cnf->rx_lev[i] = mph_power_cnf->rx_lev[j];
+        mph_power_cnf->arfcn[i]  = mph_power_cnf->arfcn[j];
+
+        mph_power_cnf->rx_lev[j] = temp_rxlev;
+        mph_power_cnf->arfcn[j]  = temp_arfcn;
+      }
+    }
+  }
+
+  return (i_cnf);
+}
+
+/*
++--------------------------------------------------------------------+
+| PROJECT : GSM-PS (8403)       MODULE  : ALR_CS                     |
+| STATE   : code                ROUTINE :                            |
+|                                  cs_restrict_max_carriers_per_band |
++--------------------------------------------------------------------+
+  PURPOSE : This function is to handle the Multiple Frequency Bands 
+            in a Region. Will help to add the minimum(40) carriers per
+            band on top of the power cnf and the remaining(40 to 60) 
+            carriers will be added in at the end (Below the Normal (40)
+            carriers of all band).
+            CSI-LLD : 
+*/
+
+U8  cs_restrict_max_carriers_per_band (U16 arfcn, U8 std, 
+                U8 no_of_carriers_per_band[4], U16 p_results_size[2], UBYTE min_rxlev)
+{
+  GET_INSTANCE_DATA;
+
+  T_POWER_MEAS    *presults;
+  T_POWER_ARRAY   *parray, *last;
+  U16              i;
+  U8              index = 0xff,just_reached_the_maximum=FALSE;
+  U8              region, where_to_add = DO_NOT_ADD; 
+  
+  switch(std)
+  {
+    case STD_900       :
+    case STD_DUAL      :
+    case STD_EGSM      :
+    case STD_DUAL_EGSM :
+    case STD_1800      :
+      if(INRANGE (CHANNEL_0, arfcn, HIGH_CHANNEL_900) OR 
+         INRANGE(LOW_CHANNEL_EGSM, arfcn, HIGH_CHANNEL_EGSM))
+      {
+        index = 0;
+      }
+      else if(INRANGE (LOW_CHANNEL_1800, arfcn, HIGH_CHANNEL_1800))
+      {
+        index = 1;
+      }
+      else
+      {
+        TRACE_ERROR("[European]Invalid Carrier");
+        return DO_NOT_ADD;
+      }
+      region = EUROPEAN_REGION;
+      break; 
+    case STD_DUAL_US :
+    case STD_850     :
+    case STD_1900    :
+      if(INRANGE (LOW_CHANNEL_850, arfcn, HIGH_CHANNEL_850))
+      {
+        index = 2;
+      }
+      else if(INRANGE (LOW_CHANNEL_1900, arfcn, HIGH_CHANNEL_1900))
+      {
+        index = 3;
+      }
+      else
+      {
+        TRACE_ERROR("[American]Invalid Carrier");
+        return DO_NOT_ADD;
+      }
+      region = AMERICAN_REGION;
+      break;
+  } /* end switch */
+
+  if(index < 4)
+  {
+    if(no_of_carriers_per_band[index] < MIN_CHANNELS_PER_BAND)
+    {
+      /* Increment counter for corresponding band */
+      no_of_carriers_per_band[index]++;
+
+      if(no_of_carriers_per_band[index] EQ MIN_CHANNELS_PER_BAND)
+      {      
+        TRACE_EVENT_P5(
+          "[%d]Band, 40 channels added (B_GSM_EGSM%d, B_1800:%d, B_850:%d, B_1900:%d)",
+          index,
+          no_of_carriers_per_band[0], no_of_carriers_per_band[1],
+          no_of_carriers_per_band[2], no_of_carriers_per_band[3]);
+      }
+
+      /* Add at the top of MPH_POWER_CNF list */
+      where_to_add = ADD_AT_THE_TOP;
+    }
+    else if(no_of_carriers_per_band[index] <= MAX_CHANNELS_PER_BAND)
+    {
+      /* Increment counter for corresponding band */
+      no_of_carriers_per_band[index]++;
+
+      /* Add at the bottom of MPH_POWER_CNF list */
+      where_to_add = ADD_AT_THE_BOTTOM;
+
+      if(no_of_carriers_per_band[index] EQ (MAX_CHANNELS_PER_BAND + 1))
+      {
+        TRACE_EVENT_P5(
+          "[%d]Band, 60 channels added (B_GSM_EGSM%d, B_1800:%d, B_850:%d, B_1900:%d)",
+          index,
+          no_of_carriers_per_band[0], no_of_carriers_per_band[1],
+          no_of_carriers_per_band[2], no_of_carriers_per_band[3]);
+
+        just_reached_the_maximum = TRUE;
+
+        where_to_add = REACHED_THE_MAXIMUM;
+      }
+    }
+    else
+    {
+      where_to_add = DO_NOT_ADD;
+    }
+  }
+  else
+  {
+    TRACE_ERROR("Unknown Band Index");
+    return DO_NOT_ADD;
+  } /* if index < 4 */
+
+  /* When Max number of channels(60) are added for a particular band,
+   * all the remaining carriers belonging to that band are excluded from
+   * further sorting
+   */
+  if(just_reached_the_maximum)
+  {
+    BOOL exclude;
+    U16  l3_arfcn;
+
+    if (region EQ AMERICAN_REGION)/*lint !e644 region may not have been initialized */
+    { /* American band */
+      presults =  alr_data->cs_data.p_results2;
+    }
+    else
+    { /* European band */
+      presults =  alr_data->cs_data.p_results1;
+    }
+
+    TRACE_EVENT_P3("[%d]Index, E:%d A:%d",
+      index, p_results_size[0], p_results_size[1]);
+   
+    if((presults NEQ NULL) AND (p_results_size[region]))/*lint !e644 region may not have been initialized */
+    {
+      for(i=0, parray = presults->power_array; i < p_results_size[region];)
+      {
+        exclude  = FALSE;
+        l3_arfcn = ARFCN_STD_TO_G23(parray->radio_freq, std);
+      
+        switch(index)
+        {
+          case 0 :
+            if(INRANGE (LOW_CHANNEL_900, l3_arfcn, HIGH_CHANNEL_900) OR 
+               INRANGE(LOW_CHANNEL_EGSM, l3_arfcn, HIGH_CHANNEL_EGSM))
+            {
+              exclude = TRUE;
+            }
+            break;
+          case 1:
+            if(INRANGE (LOW_CHANNEL_1800, l3_arfcn, HIGH_CHANNEL_1800))
+            {
+              exclude = TRUE;
+            }
+            break;
+          case 2 :
+            if(INRANGE (LOW_CHANNEL_850, l3_arfcn, HIGH_CHANNEL_850))
+            {
+              exclude = TRUE;
+            }
+            break;
+          case 3:
+            if(INRANGE (LOW_CHANNEL_1900, l3_arfcn, HIGH_CHANNEL_1900))
+            {
+              exclude = TRUE;
+            }
+            break;
+          default :
+            break;
+        } /* end switch */
+
+        if(exclude)
+        {
+          last = presults->power_array + (p_results_size[region] - 1); /*lint !e644 region may not have been initialized */
+
+          /* Exclude this carrier */
+          parray->accum_power_result = min_rxlev-1;  
+
+          /* Swaping the Current carrier with the last carrier */
+          cs_power_array_swap_arfcn(parray, last);
+  
+          /* Decrement the power array counter to exclude the above carrier */
+          p_results_size[region]--;
+        }
+        else
+        {
+          parray++; i++;
+        }
+      } /* power array size */
+    } /* end if(just_reached_the_maximum */
+  } /* presults NEQ NULL */
+
+  return where_to_add;
+}
+#endif
+
+
+/*
++--------------------------------------------------------------------+
+| PROJECT : GSM-PS (8403)    MODULE  : ALR_CS                        |
+| STATE   : code             ROUTINE : cs_reorder_the_extra_carriers |
++--------------------------------------------------------------------+
+  PURPOSE : Extra Carriers (More than 40 and below 60) are stored at
+            the bottom of the MPH_POWER_CNF. But these are stored in
+            ascending order (if you see from the TOP). This needs to 
+            be reordered (means Strongest carrier should go to top).
+*/
+
+LOCAL void cs_reorder_the_extra_carriers(U8 extra_cnf)
+{
+  GET_INSTANCE_DATA;
+  T_MPH_POWER_CNF* mph_power_cnf = alr_data->cs_data.p_power_cnf;
+  U8     i,j,count,max_count,temp_rxlevel;
+  U16    temp_arfcn;
+
+  TRACE_FUNCTION("cs_reorder_the_extra_carriers");
+
+  i         = MAX_CHANNELS - 1;
+  j         = MAX_CHANNELS - extra_cnf;
+  max_count = extra_cnf/2;
+
+
+    for(count=0; count < max_count; i--, j++, count++)
+    {
+      temp_arfcn               = mph_power_cnf->arfcn[i];
+      temp_rxlevel             = mph_power_cnf->rx_lev[i];
+
+      mph_power_cnf->arfcn[i]  = mph_power_cnf->arfcn[j];
+      mph_power_cnf->rx_lev[i] = mph_power_cnf->rx_lev[j];
+
+      mph_power_cnf->arfcn[j]  = temp_arfcn;
+      mph_power_cnf->rx_lev[j] = temp_rxlevel;
+
+    }
+
+}
+
+/*
++--------------------------------------------------------------------+
+| PROJECT : GSM-PS (8403)     MODULE  : ALR_CS                       |
+| STATE   : code              ROUTINE :                              |
+|                              cs_move_extra_carriers                |
++--------------------------------------------------------------------+
+  PURPOSE : Extra Carriers (More than 40 and below 60) are stored at
+              the bottom of the MPH_POWER_CNF. These carriers needs to
+              be rearranged below the normal (Strangest 40 Carriers)
+              carriers
+*/
+
+LOCAL void cs_move_extra_carriers(U8 i_cnf, U8 extra_cnf)
+{
+  GET_INSTANCE_DATA;
+  T_MPH_POWER_CNF* mph_power_cnf = alr_data->cs_data.p_power_cnf;
+
+  /*
+   *  Add the extra carriers below Normal carrier
+   */
+  TRACE_FUNCTION("cs_move_extra_carriers");
+
+  /* Move the extra carriers below the Normal carriers */
+  memmove (&mph_power_cnf->arfcn[i_cnf], 
+           &mph_power_cnf->arfcn[MAX_CHANNELS - extra_cnf],
+           sizeof (mph_power_cnf->arfcn[0]) * (extra_cnf));
+
+  memmove (&mph_power_cnf->rx_lev[i_cnf],
+           &mph_power_cnf->rx_lev[MAX_CHANNELS - extra_cnf],
+           sizeof (mph_power_cnf->rx_lev[0]) * (extra_cnf));
+
+}
+