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etm_audio.c: fix off-by-one error in auw of FIR coefficients This fix was already made in FC Tourmaline a while back, but it is also the kind of bugfix that deserves to be backported to Magnetite and Selenite as well.
author Mychaela Falconia <falcon@freecalypso.org>
date Mon, 31 Oct 2022 00:14:44 +0000
parents 555cdc5fda0d
children
Ignore whitespace changes - Everywhere: Within whitespace: At end of lines:
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523
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1 The following Bourne shell variables can be set on the ./configure.sh command
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2 line to tweak the firmware build configuration:
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3
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4 ALLOW_CSIM_GSM
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5
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6 Per TI's original design, the AT+CSIM command does not allow GSM APDUs
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7 of class 0xA0. Openmoko found some need for them, and they patched
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8 their modem fw to allow these APDUs with AT+CSIM. With our new hybrid
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9 modem fw this policy setting is configurable at build time; the default
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10 is ALLOW_CSIM_GSM=1 (GSM APDUs allowed).
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11
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12 DISABLE_SLEEP
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13
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14 The general default is DISABLE_SLEEP=0, and the firmware automatically
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15 enables all of the chipset's available sleep modes on boot. Setting
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16 DISABLE_SLEEP=1 causes all sleep modes to be disabled by default on
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17 boot (they can still be enabled with the AT%SLEEP command); this
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18 setting is needed for FCDEV3B V1 boards that have a hardware bug that
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19 causes breakage when sleep modes are enabled.
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20
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21 DSAMPLE_FULL_COLOR
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22
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23 When the firmware's R2D component (normally present only in UI-enabled
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24 builds) is built for any target other than c139, one of TI's D-Sample
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25 framebuffer drivers is enabled: either color or B&W. (The actual
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26 hardware pokes are omitted when the build target is anything other than
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27 dsample, but the framebuffer is still maintained in RAM.) By default
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28 the color framebuffer driver is enabled; setting DSAMPLE_FULL_COLOR=0
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29 switches to the B&W framebuffer driver. Both configurations are
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30 supported on FC Luna.
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31
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32 L1_DYN_DSP_DWNLD
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33
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34 This setting enables TI's dynamic DSP patch download mechanism. When
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35 the firmware is built for a Calypso target with DSP ROM version 36 in
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36 the silicon (all FreeCalypso-made hw and most of the supported legacy
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37 targets), L1_DYN_DSP_DWNLD is enabled by default and needs to be kept
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38 enabled for correct operation: the patch code we got from TI for this
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39 ROM is the dynamic download version, and the ARM-side L1 code expects
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40 all of these patches to be present, both the static part and the
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41 dynamic parts. However, one can build our fw with L1_DYN_DSP_DWNLD=0
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42 for experimental testing, to see what breaks when the dynamic patches
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43 are omitted.
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44
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45 L1_VOICE_MEMO_AMR
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46
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47 This setting enables or disables support in L1 and in the RiViera Audio
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48 Service for AMR voice memo recording and playback. This code has not
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49 been properly studied yet and no test AT commands are provided for it,
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50 but it is enabled by default like in TI's original TCS211 fw.
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51
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52 MELODY_E2
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53
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54 This setting enables or disables support in L1 and in the RiViera Audio
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55 Service for playing E2-format melodies. The default is MELODY_E2=1
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56 like in TI's original TCS211 fw. Note that Melody E1 support is always
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57 enabled; setting MELODY_E2=0 disables only Melody E2, but not E1.
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58
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59 RVTMUX_ON_MODEM
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60
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61 This setting configures the usage of Calypso UARTs. RVTMUX_ON_MODEM=0
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62 puts the AT command interface on the MODEM UART and RVTMUX on the IrDA
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63 UART (TI's intended config and the default on sensible hw targets);
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64 RVTMUX_ON_MODEM=1 (default on the crippled C1xx targets) puts RVTMUX on
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65 the MODEM UART, sacrificing the standard AT command interface.
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66
523
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67 SERIAL_DYNAMIC_SWITCH
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68
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69 TI's TCS211 fw includes a provision (only for Bluetooth-enabled fw in
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70 TI's original) to switch one UART between the AT command interface and
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71 RVTMUX while the other UART is fixed for Bluetooth. In FreeCalypso we
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72 have changed this code to work without Bluetooth, for the purpose of
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73 switching the user-facing MODEM UART between AT commands and RVTMUX,
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74 but the mechanism does not work properly yet and is disabled by default.
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75 Enable it with SERIAL_DYNAMIC_SWITCH=1 if you would like to play with
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76 it.
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77
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78 SPEECH_RECO
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79
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80 This setting enables or disables support in L1 and in the RiViera Audio
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81 Service for TI's speech recognition mechanism. This code and the
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82 underlying DSP facility itself have not been properly studied yet and
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83 no test AT commands are provided for it, but it is enabled by default
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84 like in TI's original TCS211 fw.
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85
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86 SUFFIX
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87
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88 This setting is solely for configuration management. If you make a
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89 build with any of the settings described in this document changed from
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90 the default, you should also pass a SUFFIX=-xxx argument so your special
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91 build will be appropriately identified in the build directory name and
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92 in the firmware version ID string compiled into the image. The naming
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93 of suffixes is up to you, but here are some examples:
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94
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95 DISABLE_SLEEP=1 SUFFIX=-nosleep
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96 DSAMPLE_FULL_COLOR=0 UI_CONFIG=bigbw SUFFIX=-bw
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97 L1_DYN_DSP_DWNLD=0 SUFFIX=-nodyn
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98 MELODY_E2=0 SUFFIX=-noe2
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99 SERIAL_DYNAMIC_SWITCH=1 SUFFIX=-sds
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100 SPEECH_RECO=0 SUFFIX=-nosr
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101 TI_PROFILER=1 SUFFIX=-prf
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102 TR_BAUD_CONFIG=TR_BAUD_812500 SUFFIX=-812500
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103 USE_STR2IND=1 SUFFIX=-s2i
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104
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105 TI_PROFILER
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106
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107 TI's original firmware architecture had a built-in profiler (program
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108 counter sampler) enabled with TI_PROFILER=1; we (FreeCalypso) are just
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109 beginning to experiment with this debug feature in late 2020.
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110
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111 TRACEMASK_IN_FFS
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112
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113 TI's Test Interface (TIF) component in the GPF realm includes an
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114 optional feature for saving trace masks in FFS, but TI's production
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115 firmwares had it disabled. We have now switched to recompiling the
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116 component in question from source, but we still keep this
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117 TRACEMASK_IN_FFS code disabled by default, at least for now.
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118 Set TRACEMASK_IN_FFS=1 to enable this code in GPF.
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119
523
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120 TR_BAUD_CONFIG
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121
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122 The value of this symbol is an alphanumeric keyword of the form
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123 TR_BAUD_xxxxxx; the default is TR_BAUD_115200. See
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124 src/cs/drivers/drv_core/uart/traceswitch.h for the available baud rate
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125 choices; the most practical use is setting TR_BAUD_CONFIG=TR_BAUD_812500
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126 when you need to run the RVTMUX serial channel at the maximum possible
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127 baud rate.
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128
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129 UI_CONFIG
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130
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131 The 3 allowed values for this setting are bigcolor, bigbw and 84x48,
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132 selecting one of the 3 UI configurations supported by TI's code. The
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133 default is 84x48 when the firmware is built for target c139, otherwise
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134 (particularly for dsample, luna1 and luna2 targets) the default is
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135 bigcolor.
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136
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137 USE_STR2IND
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138
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139 Unlike TI's original firmwares, we build without str2ind by default.
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140 You can enable str2ind with USE_STR2IND=1, but the time to build the fw
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141 will be significantly longer as the compiler has to be run twice for
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142 each C source file, with str2ind sandwiched in between.
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143
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144 The following Bourne shell variables are used inside the build system in the
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145 individual component build recipes (components/*) but cannot be set on the
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146 ./configure.sh line because they are fixed in the overall fw build recipes
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147 (configs/*):
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148
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149 GPRS
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150
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151 Self-explanatory: enables or disables GPRS.
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152
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153 MMI
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154
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155 TI's original config variable: MMI=0 for the AT-command-controlled
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156 modem configuration or MMI=2 for the UI-enabled configuration with
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157 BMI and MFW.
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158
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159 SRVC
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160
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161 TI's original config variable, selects the presence or absence of data
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162 services other than GPRS as follows:
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163
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164 SRVC=0: voice and SMS only
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165 SRVC=1: CSD and fax enabled
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166 SRVC=2: CSD enabled, but not fax
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167
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168 Finally, CHIPSET, DSP, RF and AMR variables reflect the physical configuration
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169 of the selected target hw that no amount of software hacking can change.
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170 (The AMR variable indicates the presence or absence of AMR support in the DSP.)