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annotate src/g23m-aci/aci/hl_audio_drv.c @ 598:717ed17d82c6

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aci3 vocoder control revamped, AT@VSEL now works as it should The vocoder control code (hl_audio_drv.c) that came with the TCS3 version of ACI was totally broken in the Calypso config (VOCODER_FUNC_INTERFACE) and worked in the standard analog voice environment only by luck. This code has now been rewritten to work correctly with our Calypso platform and TCS211 L1, and our new AT@VSEL mechanism (automatic enabling and disabling of MCSI voice path as the modem enters and exits the voice call state) now also works as designed.
author Mychaela Falconia <falcon@freecalypso.org>
date Wed, 27 Mar 2019 23:44:35 +0000
parents f18b29e27be5
children 4626d7a955de
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1 /*
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2 +-----------------------------------------------------------------------------
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3 | Project : GSM-PS (6147)
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4 | Modul : AOC
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5 +-----------------------------------------------------------------------------
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6 | Copyright 2002 Texas Instruments Berlin, AG
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7 | All rights reserved.
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8 |
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9 | This file is confidential and a trade secret of Texas
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10 | Instruments Berlin, AG
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11 | The receipt of or possession of this file does not convey
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12 | any rights to reproduce or disclose its contents or to
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13 | manufacture, use, or sell anything it may describe, in
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14 | whole, or in part, without the specific written consent of
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15 | Texas Instruments Berlin, AG.
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16 +-----------------------------------------------------------------------------
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17 | Purpose : This module defines the functions for the high level audio
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18 driver interface.
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19 +-----------------------------------------------------------------------------
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20 */
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21
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22
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23 #ifndef HL_AUDIO_DRV_C
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24 #define HL_AUDIO_DRV_C
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25 #endif
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26
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27 #include "aci_all.h"
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28 #include "aci_cmh.h"
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29 #include "aci.h"
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30 #include "psa.h"
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31 #include "hl_audio_drv.h"
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32 #include "rv/rv_general.h"
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33 #include "audio/audio_api.h"
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34 #include "fc-target.cfg"
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36
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37 /* ===============GLOBAL VARIABLES====================*/
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38
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39 LOCAL T_HL_VOCODER_STATE currVocoderState;
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40
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41 #ifdef CONFIG_TARGET_FCDEV3B
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42 GLOBAL UBYTE aci_digital_voice_autoswitch;
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43 #endif
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44
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46 /* =============FUNCTION DEFINITIONS FOR L1===========*/
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47 #ifdef VOCODER_FUNC_INTERFACE
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48 void vocoder_mute_dl( BOOL mute );
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49 void vocoder_mute_ul( BOOL mute );
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50 void enable_tch_vocoder (BOOL vocoder_on);
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51 #endif /* VOCODER_FUNC_INTERFACE */
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52
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53
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54 /*================= FUNCTIONS ========================*/
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55
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56 /*
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57 +-------------------------------------------------------------------+
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58 | PROJECT : GSM-PS (6147) MODULE : HL_AUDIO_DRV |
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59 | ROUTINE : hl_audio_drv_init |
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60 +-------------------------------------------------------------------+
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61
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62 PURPOSE : This function is called to initialise the variables in
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63 the High Level Audio driver
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64 */
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65 GLOBAL void hl_audio_drv_init (void)
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66 {
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67 TRACE_FUNCTION("hl_audio_drv_init()");
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68
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69 currVocoderState = HL_VOCODER_DISABLED;
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70 }
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71
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72 /*
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73 +-------------------------------------------------------------------+
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74 | PROJECT : GSM-PS (6147) MODULE : PSA_CCF |
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75 | ROUTINE : hl_drv_set_vocoder_state|
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76 +-------------------------------------------------------------------+
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77
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78 PURPOSE : This function will enable or disable vocoder as needed,
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79 and possibly also enable/disable the MCSI digital voice
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80 path if running on a FreeCalypso modem in the digital
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81 voice interface configuration.
162
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82 */
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83 GLOBAL void hl_drv_set_vocoder_state(BOOL user_attach)
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84 {
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85 #ifdef CONFIG_TARGET_FCDEV3B
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86 T_AUDIO_VOICE_PATH_SETTING vpath;
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87 T_AUDIO_FULL_ACCESS_WRITE audio_param;
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88 T_RV_RETURN return_path = { NULL, 0 };
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89 #endif
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90
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91 TRACE_FUNCTION("hl_drv_set_vocoder_state");
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92
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93 if ( (user_attach EQ TRUE AND currVocoderState EQ HL_VOCODER_ENABLED) OR
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94 (user_attach EQ FALSE AND currVocoderState EQ HL_VOCODER_DISABLED) )
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95 return; /* No state change requested */
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96
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97 if (user_attach)
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98 {
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99 enable_tch_vocoder(TRUE);
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100 vocoder_mute_dl (FALSE); /* un-mute speaker */
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101 vocoder_mute_ul (FALSE); /* un-mute microphone */
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102 #ifdef CONFIG_TARGET_FCDEV3B
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103 if (aci_digital_voice_autoswitch)
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104 {
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105 vpath = AUDIO_BLUETOOTH_HEADSET;
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106 audio_param.variable_indentifier = AUDIO_PATH_USED;
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107 audio_param.data = &vpath;
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108 audio_full_access_write(&audio_param, return_path);
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109 }
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110 #endif
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111 currVocoderState = HL_VOCODER_ENABLED;
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112 }
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113 else
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114 {
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115 vocoder_mute_dl (TRUE); /* mute speaker */
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116 vocoder_mute_ul (TRUE); /* mute microphone */
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117 enable_tch_vocoder (FALSE); /* disable vocoder */
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118 #ifdef CONFIG_TARGET_FCDEV3B
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119 if (aci_digital_voice_autoswitch)
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120 {
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121 vpath = AUDIO_GSM_VOICE_PATH;
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122 audio_param.variable_indentifier = AUDIO_PATH_USED;
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123 audio_param.data = &vpath;
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124 audio_full_access_write(&audio_param, return_path);
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125 }
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126 #endif
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127 currVocoderState = HL_VOCODER_DISABLED;
162
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128 }
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129
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130 return;
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131 }
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132
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133 /*
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134 +-------------------------------------------------------------------+
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135 | PROJECT : GSM-PS (6147) MODULE : HL_AUDIO_DRV |
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136 | ROUTINE : hl_drv_get_vocoder_state |
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137 +-------------------------------------------------------------------+
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138
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139 PURPOSE : This function returns the state of the vocoder
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140 */
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141
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142 GLOBAL T_HL_VOCODER_STATE hl_drv_get_vocoder_state (void)
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143 {
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144 return currVocoderState;
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145 }
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146
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147 #ifndef VOCODER_FUNC_INTERFACE
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148 /*
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149 +-------------------------------------------------------------------+
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150 | PROJECT : GSM-PS (6147) MODULE : HL_AUDIO_DRV |
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151 | ROUTINE : hl_drv_vocoder_enabled |
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152 +-------------------------------------------------------------------+
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153
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154 PURPOSE : Currently this function does nothing
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155 */
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156
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157 GLOBAL void hl_drv_vocoder_state_set (void)
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158 {
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159 TRACE_FUNCTION("hl_drv_vocoder_enabled()");
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160
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161 switch(currVocoderState)
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162 {
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163 case HL_VOCODER_ENABLE_INITIATED:
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164 currVocoderState = HL_VOCODER_ENABLED;
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165 break;
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166
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167 case HL_VOCODER_DISABLE_INITIATED:
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168 currVocoderState = HL_VOCODER_DISABLED;
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169 break;
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170
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171 default:
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172 break;
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173
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174 }
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175 }
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176 #endif