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428
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1 /* libsst.c - SPARC sound tools library
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2 **
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3 ** Copyright (C) 1989 by Jef Poskanzer.
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4 **
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5 ** Permission to use, copy, modify, and distribute this software and its
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6 ** documentation for any purpose and without fee is hereby granted, provided
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7 ** that the above copyright notice appear in all copies and that both that
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8 ** copyright notice and this permission notice appear in supporting
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9 ** documentation. This software is provided "as is" without express or
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10 ** implied warranty.
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11
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12 ** Hacked on by jwz for emacs.
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13
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14 */
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15
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16 /* Synched up with: Not in FSF. */
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17
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563
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18 /* This file Mule-ized by Ben Wing, 5-15-01. */
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19
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428
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20 #include <config.h>
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21 #include "lisp.h"
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22
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563
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23 #include "sound.h"
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428
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24
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25 #include "libsst.h"
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26
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563
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27 #include "sysfile.h"
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28
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29
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428
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30 #define AUDBUF 1024
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31
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32 int
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33 sst_open(play_level, record_level)
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34 int play_level, record_level;
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35 {
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36 int fd, i, gr, ger, gx;
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37 struct audio_ioctl ai;
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563
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38 Extbyte *ep;
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428
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39
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771
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40 fd = open ("/dev/audio", O_RDWR);
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428
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41 if ( fd < 0 )
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42 {
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563
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43 sound_perror( "sst_open: open /dev/audio" );
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428
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44 return( fd );
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45 }
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46
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47 #ifdef AUDIOSETQSIZE /* This no longer exists as of 4.1.2. */
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48
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49 /* Shrink audio device's queue size, to cut down time delay. */
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50 i = AUDBUF;
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51 if ( ioctl( fd, AUDIOSETQSIZE, &i ) < 0 )
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52 {
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563
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53 sound_perror( "sst_open: SETQSIZE" );
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428
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54 return( fd );
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55 }
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56 #endif /* AUDIOSETQSIZE */
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57
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58 /* Set gains. -10 <= ger <= 18, -18 <= gr <= 12, -18 <= gx <= 12. */
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59 if (!play_level)
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60 {
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61 play_level = 75;
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771
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62 if ( (ep = egetenv( "SST_PLAY" )) != NULL )
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428
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63 {
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64 play_level = atoi( ep );
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65 if ( play_level < 0 || play_level > 99 )
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66 {
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563
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67 sound_warn( "sst_open: SST_PLAY must be between 0 and 99" );
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428
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68 return( -1 );
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69 }
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70 }
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71 }
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72 if (!record_level)
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73 {
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74 record_level = 75;
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771
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75 if ( (ep = egetenv( "SST_RECORD" )) != NULL )
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428
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76 {
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77 record_level = atoi( ep );
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78 if ( record_level < 0 || record_level > 99 )
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79 {
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563
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80 sound_warn( "sst_open: SST_RECORD must be between 0 and 99" );
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428
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81 return( -1 );
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82 }
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83 }
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84 }
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85
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86 play_level = play_level * 59 / 100 - 28;
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87 ger = play_level / 2;
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88 gr = play_level - ger;
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89 if ( ger < -10 )
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90 {
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91 ger = -10;
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92 gr = play_level - ger;
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93 }
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94 if ( gr > 12 )
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95 {
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96 gr = 12;
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97 ger = play_level - gr;
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98 }
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99 gx = record_level * 31 / 100 - 18;
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100 sst_set_gr( fd, gr );
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101 sst_set_ger( fd, ger );
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102 sst_set_gx( fd, gx );
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103
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104 /* Initialize the MMR2 register to send the output to either
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105 ** the speaker or the earphone jack, depending on SST_EARPHONES.
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106 */
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107 ai.control = AUDIO_MAP_MMR2;
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108 if ( ioctl( fd, AUDIOGETREG, &ai ) < 0 )
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109 {
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563
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110 sound_perror( "sst_open: GETREG MMR2" );
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428
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111 return( -1 );
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112 }
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771
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113 if ( (ep = egetenv( "SST_EARPHONES" )) != NULL )
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428
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114 ai.data[0] &= ~AUDIO_MMR2_BITS_LS;
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115 else
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116 ai.data[0] |= AUDIO_MMR2_BITS_LS;
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117 if ( ioctl( fd, AUDIOSETREG, &ai ) < 0 )
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118 {
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563
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119 sound_perror( "sst_open: SETREG MMR2" );
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428
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120 return( fd );
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121 }
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122
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123 return fd;
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124 }
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125
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126 void
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127 sst_close( fd )
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128 int fd;
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129 {
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130 struct audio_ioctl ai;
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131
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132 ai.control = AUDIO_MAP_MMR1;
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133 ai.data[0] = 0;
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134 if ( ioctl( fd, AUDIOSETREG, &ai ) < 0 )
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135 {
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563
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136 sound_perror( "sst_close: SETREG MMR1" );
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428
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137 }
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138 ai.control = AUDIO_MAP_MMR2;
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139 ai.data[0] = 0;
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140 if ( ioctl( fd, AUDIOSETREG, &ai ) < 0 )
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141 {
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563
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142 sound_perror( "sst_close: SETREG MMR2" );
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428
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143 }
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144 close( fd );
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145 }
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146
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147 /* These are tables of values to be loaded into various gain registers.
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148 */
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149
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563
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150 static UChar_Binary ger_table[][2] = {
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428
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151 0xaa, 0xaa, /* -10db */
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152 0x79, 0xac,
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153 0x41, 0x99,
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154 0x9c, 0xde,
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155 0x74, 0x9c, /* -6db */
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156 0x6a, 0xae,
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157 0xab, 0xdf,
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158 0x64, 0xab,
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159 0x2a, 0xbd,
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160 0x5c, 0xce,
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161 0x00, 0x99, /* 0db */
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162 0x43, 0xdd,
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163 0x52, 0xef,
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164 0x55, 0x42,
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165 0x31, 0xdd,
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166 0x43, 0x1f,
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167 0x40, 0xdd, /* 6db */
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168 0x44, 0x0f,
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169 0x31, 0x1f,
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170 0x10, 0xdd,
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171 0x41, 0x0f,
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172 0x60, 0x0b,
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173 0x42, 0x10, /* 12db */
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174 0x11, 0x0f,
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175 0x72, 0x00,
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176 0x21, 0x10,
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177 0x22, 0x00,
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178 0x00, 0x0b,
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179 0x00, 0x0f, /* 18db */
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180 };
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181
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182
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563
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183 static UChar_Binary gr_gx_table[][2] = {
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428
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184 0x8b, 0x7c, /* -18db */
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185 0x8b, 0x35,
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186 0x8b, 0x24,
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187 0x91, 0x23,
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188 0x91, 0x2a,
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189 0x91, 0x3b,
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190 0x91, 0xf9, /* -12db */
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191 0x91, 0xb6,
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192 0x91, 0xa4,
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193 0x92, 0x32,
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194 0x92, 0xaa,
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195 0x93, 0xb3,
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196 0x9f, 0x91, /* -6db */
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197 0x9b, 0xf9,
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198 0x9a, 0x4a,
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199 0xa2, 0xa2,
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200 0xaa, 0xa3,
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201 0xbb, 0x52,
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202 0x08, 0x08, /* 0db */
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203 0x3d, 0xac,
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204 0x25, 0x33,
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205 0x21, 0x22,
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206 0x12, 0xa2,
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207 0x11, 0x3b,
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208 0x10, 0xf2, /* 6db */
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209 0x02, 0xca,
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210 0x01, 0x5a,
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211 0x01, 0x12,
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212 0x00, 0x32,
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213 0x00, 0x13,
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214 0x00, 0x0e, /* 12db */
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215 };
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216
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217 void
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218 sst_set_ger( fd, value )
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219 int fd, value;
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220 {
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221 struct audio_ioctl ai;
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222
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223 if ( ( value < -10 ) || ( value > 18 ) )
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224 {
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563
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225 Extbyte buf [255];
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428
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226 sprintf (buf, "sst_set_ger: GER %d out of range", value);
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563
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227 sound_warn(buf);
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428
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228 return;
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229 }
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230
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231 /* Add 10 to the value to get the index into the table. */
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232 ai.control = AUDIO_MAP_GER;
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233 ai.data[0] = ger_table[value + 10][1];
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234 ai.data[1] = ger_table[value + 10][0];
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235
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236 if ( ioctl( fd, AUDIOSETREG, &ai ) < 0 )
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237 {
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563
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238 sound_perror( "sst_set_ger: SETREG GER" );
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428
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239 }
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240
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241 ai.control = AUDIO_MAP_MMR1;
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242 if ( ioctl( fd, AUDIOGETREG, &ai ) < 0 )
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243 {
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563
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244 sound_perror( "sst_set_ger: GETREG MMR1" );
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428
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245 }
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246 ai.data[0] |= AUDIO_MMR1_BITS_LOAD_GER;
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247 if ( ioctl( fd, AUDIOSETREG, &ai ) < 0 )
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248 {
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563
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249 sound_perror( "sst_set_ger: SETREG MMR1" );
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428
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250 }
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251 }
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252
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253 void
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254 sst_set_gr( fd, value )
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255 int fd, value;
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256 {
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257 struct audio_ioctl ai;
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258
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259 if ( ( value < -18 ) || ( value > 12 ) )
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260 {
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563
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261 Extbyte buf [255];
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428
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262 sprintf (buf, "sst_set_gr: GR %d out of range", value);
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563
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263 sound_warn (buf);
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428
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264 return;
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265 }
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266
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267 ai.control = AUDIO_MAP_GR;
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268 ai.data[0] = gr_gx_table[value + 18][1];
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269 ai.data[1] = gr_gx_table[value + 18][0];
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270
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271 if ( ioctl( fd, AUDIOSETREG, &ai ) < 0 )
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272 {
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563
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273 sound_perror( "sst_set_gr: SETREG GR" );
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428
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274 }
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275
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276 ai.control = AUDIO_MAP_MMR1;
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277 if ( ioctl( fd, AUDIOGETREG, &ai ) < 0 )
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278 {
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563
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279 sound_perror( "sst_set_gr: GETREG MMR1" );
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428
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280 }
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281 ai.data[0] |= AUDIO_MMR1_BITS_LOAD_GR;
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282 if ( ioctl( fd, AUDIOSETREG, &ai ) < 0 )
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283 {
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563
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284 sound_perror( "sst_set_gr: SETREG MMR1" );
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428
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285 }
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286 }
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287
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288 void
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289 sst_set_gx( fd, value )
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290 int fd, value;
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291 {
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292 struct audio_ioctl ai;
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563
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293 Extbyte buf [255];
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428
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294
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295 if ( ( value < -18 ) || ( value > 12 ) )
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296 {
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297 sprintf (buf, "sst_set_gx: GX %d out of range", value);
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563
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298 sound_warn (buf);
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428
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299 return;
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300 }
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301
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302 /* We add 18 to get the index into the table, since entry 0 represents
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303 * -18db.
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304 */
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305 ai.control = AUDIO_MAP_GX;
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306 ai.data[0] = gr_gx_table[value + 18][1];
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307 ai.data[1] = gr_gx_table[value + 18][0];
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308
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309 if ( ioctl( fd, AUDIOSETREG, &ai ) < 0 )
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310 {
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563
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311 sound_perror( "sst_set_gx: SETREG GX" );
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428
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312 }
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313
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314 ai.control = AUDIO_MAP_MMR1;
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315 if ( ioctl( fd, AUDIOGETREG, &ai ) < 0 )
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316 {
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563
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317 sound_perror( "sst_set_gx: GETREG MMR1" );
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428
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318 }
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319 ai.data[0] |= AUDIO_MMR1_BITS_LOAD_GX;
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320 if ( ioctl( fd, AUDIOSETREG, &ai ) < 0 )
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321 {
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563
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322 sound_perror( "sst_set_gx: SETREG MMR1" );
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428
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323 }
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324 }
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325
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326 void
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327 sst_tones( fd, dhz1, dhz2, thz, rhz, usec )
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328 int fd, dhz1, dhz2, thz, rhz, usec;
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329 {
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563
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330 Extbyte buf [255];
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428
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331 struct audio_ioctl ai;
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332 int dval1, dval2, tval, rval;
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563
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333 UChar_Binary oldmmr2, newmmr2;
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428
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334
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335 if ( dhz1 == 0 )
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336 dval1 = 0;
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337 else
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338 {
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339 dval1 = ( dhz1 * 128 + 63 ) / 1000;
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340 if ( ( dval1 < 1 ) || ( dval1 > 255 ) )
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341 {
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342 sprintf(buf, "sst_tones: dhz1 %d out of range", dhz1 );
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563
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343 sound_warn (buf);
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428
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344 return;
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345 }
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346 }
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347
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348 if ( dhz2 == 0 )
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349 dval2 = 0;
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350 else
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351 {
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352 dval2 = ( dhz2 * 128 + 63 ) / 1000;
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353 if ( ( dval2 < 1 ) || ( dval2 > 255 ) )
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354 {
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355 sprintf(buf, "sst_tones: dhz2 %d out of range", dhz2 );
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563
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356 sound_warn (buf);
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428
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357 return;
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358 }
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359 }
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360
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361 if ( thz == 0 )
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362 tval = 0;
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363 else
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364 {
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365 tval = ( thz * 128 + 63 ) / 2000;
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366 if ( ( tval < 1 ) || ( tval > 255 ) )
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367 {
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368 sprintf(buf, "sst_tones: thz %d out of range", thz );
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563
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369 sound_warn (buf);
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428
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370 return;
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371 }
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372 }
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373
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374 if ( rhz == 0 )
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375 rval = 0;
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376 else
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377 {
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378 rval = ( rhz * 128 + 63 ) / 2000;
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379 if ( ( rval < 1 ) || ( rval > 255 ) )
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380 {
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381 sprintf(buf, "sst_tones: rhz %d out of range", dhz2 );
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563
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382 sound_warn (buf);
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428
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383 return;
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384 }
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385 }
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386
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387 if ( ( dval1 != 0 || dval2 != 0 ) && ( tval != 0 || rval != 0 ) )
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388 {
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389 sprintf(buf, "sst_tones: cannot use DTMF and TONE or RINGER at the same time", dhz2 );
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563
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390 sound_warn (buf);
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428
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391 return;
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392 }
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393
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394 if ( tval != 0 && rval != 0 )
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395 {
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396 sprintf(buf, "sst_tones: cannot use TONE and RINGER at the same time", dhz2 );
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563
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397 sound_warn (buf);
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428
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398 return;
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399 }
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400
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401 ai.control = AUDIO_MAP_MMR2;
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|
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402 if ( ioctl( fd, AUDIOGETREG, &ai ) < 0 )
|
|
|
403 {
|
|
563
|
404 sound_perror( "sst_tones: GETREG MMR2" );
|
|
428
|
405 }
|
|
|
406 oldmmr2 = newmmr2 = ai.data[0];
|
|
|
407
|
|
|
408 if ( dval1 != 0 || dval2 != 0 )
|
|
|
409 {
|
|
|
410 newmmr2 |= AUDIO_MMR2_BITS_DTMF;
|
|
|
411 ai.control = AUDIO_MAP_FTGR;
|
|
|
412 ai.data[0] = dval1;
|
|
|
413 ai.data[1] = dval2;
|
|
|
414 if ( ioctl( fd, AUDIOSETREG, &ai ) < 0 )
|
|
|
415 {
|
|
563
|
416 sound_perror( "sst_tones: SETREG FTGR" );
|
|
428
|
417 }
|
|
|
418 }
|
|
|
419
|
|
|
420 if ( tval != 0 )
|
|
|
421 {
|
|
|
422 newmmr2 |= AUDIO_MMR2_BITS_TONE;
|
|
|
423 ai.control = AUDIO_MAP_FTGR;
|
|
|
424 ai.data[0] = tval;
|
|
|
425 ai.data[1] = 0;
|
|
|
426 if ( ioctl( fd, AUDIOSETREG, &ai ) < 0 )
|
|
|
427 {
|
|
563
|
428 sound_perror( "sst_tones: SETREG FTGR" );
|
|
428
|
429 }
|
|
|
430 }
|
|
|
431
|
|
|
432 if ( rval != 0 )
|
|
|
433 {
|
|
|
434 newmmr2 |= AUDIO_MMR2_BITS_RINGER;
|
|
|
435 ai.control = AUDIO_MAP_FTGR;
|
|
|
436 ai.data[0] = rval;
|
|
|
437 ai.data[1] = 0;
|
|
|
438 if ( ioctl( fd, AUDIOSETREG, &ai ) < 0 )
|
|
|
439 {
|
|
563
|
440 sound_perror( "sst_tones: SETREG FTGR" );
|
|
428
|
441 }
|
|
|
442 }
|
|
|
443
|
|
|
444 ai.control = AUDIO_MAP_MMR2;
|
|
|
445 ai.data[0] = newmmr2;
|
|
|
446 if ( ioctl( fd, AUDIOSETREG, &ai ) < 0 )
|
|
|
447 {
|
|
563
|
448 sound_perror( "sst_tones: SETREG MMR2" );
|
|
428
|
449 }
|
|
|
450
|
|
|
451 usleep( usec );
|
|
|
452
|
|
|
453 ai.data[0] = oldmmr2;
|
|
|
454 if ( ioctl( fd, AUDIOSETREG, &ai ) < 0 )
|
|
|
455 {
|
|
563
|
456 sound_perror( "sst_tones: SETREG MMR2" );
|
|
428
|
457 }
|
|
|
458 }
|
|
|
459
|
|
|
460 void
|
|
|
461 sst_dtmf( fd, dial, usecper, usecpause )
|
|
|
462 int fd, usecper, usecpause;
|
|
563
|
463 Extbyte *dial;
|
|
428
|
464 {
|
|
563
|
465 Extbyte *cp;
|
|
428
|
466
|
|
|
467 for ( cp = dial; *cp != '\0'; cp++ )
|
|
|
468 {
|
|
|
469 switch ( *cp )
|
|
|
470 {
|
|
|
471 case '1': sst_tones( fd, 703, 1211, 0, 0, usecper ); break;
|
|
|
472 case '2': sst_tones( fd, 703, 1336, 0, 0, usecper ); break;
|
|
|
473 case '3': sst_tones( fd, 703, 1492, 0, 0, usecper ); break;
|
|
|
474 case 'A': sst_tones( fd, 703, 1648, 0, 0, usecper ); break;
|
|
|
475 case '4': sst_tones( fd, 773, 1211, 0, 0, usecper ); break;
|
|
|
476 case '5': sst_tones( fd, 773, 1336, 0, 0, usecper ); break;
|
|
|
477 case '6': sst_tones( fd, 773, 1492, 0, 0, usecper ); break;
|
|
|
478 case 'B': sst_tones( fd, 773, 1648, 0, 0, usecper ); break;
|
|
|
479 case '7': sst_tones( fd, 859, 1211, 0, 0, usecper ); break;
|
|
|
480 case '8': sst_tones( fd, 859, 1336, 0, 0, usecper ); break;
|
|
|
481 case '9': sst_tones( fd, 859, 1492, 0, 0, usecper ); break;
|
|
|
482 case 'C': sst_tones( fd, 859, 1648, 0, 0, usecper ); break;
|
|
|
483 case '*': sst_tones( fd, 945, 1211, 0, 0, usecper ); break;
|
|
|
484 case '0': sst_tones( fd, 945, 1336, 0, 0, usecper ); break;
|
|
|
485 case '#': sst_tones( fd, 945, 1492, 0, 0, usecper ); break;
|
|
|
486 case 'D': sst_tones( fd, 945, 1648, 0, 0, usecper ); break;
|
|
|
487
|
|
|
488 case ' ': case '-': case '(': case ')': case '+':
|
|
|
489 continue; /* ignore */
|
|
|
490
|
|
|
491 case ',': usleep( usecper ); break; /* big pause */
|
|
|
492
|
|
|
493 default:
|
|
|
494 {
|
|
563
|
495 Extbyte buf [255];
|
|
428
|
496 sprintf( buf, "sst_dtmf: unknown dialing code '%c'", *cp );
|
|
563
|
497 sound_warn (buf);
|
|
428
|
498 }
|
|
|
499 }
|
|
|
500 usleep( usecpause );
|
|
|
501 }
|
|
|
502 }
|
