1 | /* |
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2 | * 6200ch - an external channel changer for Motorola DCT-6200 Tuner |
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3 | * |
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4 | * Copyright 2004,2005 by Stacey D. Son <mythdev@son.org> |
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5 | * |
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6 | * This program is free software; you can redistribute it and/or modify |
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7 | * it under the terms of the GNU General Public License as published by |
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8 | * the Free Software Foundation; either version 2 of the License, or |
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9 | * (at your option) any later version. |
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10 | * |
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11 | * This program is distributed in the hope that it will be useful, |
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12 | * but WITHOUT ANY WARRANTY; without even the implied warranty of |
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13 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
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14 | * GNU General Public License for more details. |
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15 | * |
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16 | * You should have received a copy of the GNU General Public License |
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17 | * along with this program; if not, write to the Free Software Foundation, |
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18 | * Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. |
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19 | */ |
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20 | |
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21 | #include <libavc1394/rom1394.h> |
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22 | #include <libavc1394/avc1394.h> |
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23 | #include <libraw1394/raw1394.h> |
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24 | #include <sys/types.h> |
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25 | #include <stdio.h> |
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26 | #include <errno.h> |
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27 | #include <stdlib.h> |
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28 | |
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29 | // Motorola DCT-6200 IDs |
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30 | // Note: there are too many vendor IDs for the 6200 |
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31 | #define DCT6200_VENDOR_ID1 0x00000ce5 |
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32 | #define DCT6200_VENDOR_ID2 0x00000e5c |
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33 | #define DCT6200_VENDOR_ID3 0x00001225 |
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34 | #define DCT6200_VENDOR_ID4 0x00000f9f |
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35 | #define DCT6200_VENDOR_ID5 0x00001180 |
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36 | #define DCT6200_VENDOR_ID6 0x000012c9 |
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37 | #define DCT6412_VENDOR_ID1 0x00000f9f |
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38 | |
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39 | int vendor_ids[] = { -1, // Specified by -V |
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40 | DCT6200_VENDOR_ID1, |
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41 | DCT6200_VENDOR_ID2, |
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42 | DCT6200_VENDOR_ID3, |
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43 | DCT6200_VENDOR_ID4, |
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44 | DCT6200_VENDOR_ID5, |
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45 | DCT6200_VENDOR_ID6, |
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46 | DCT6412_VENDOR_ID1 |
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47 | }; |
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48 | int get_vendor (int vid) { |
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49 | int last = sizeof(vendor_ids) / sizeof(int); |
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50 | int i; |
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51 | for (i = 0; i < last; i++) { |
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52 | if (vid == vendor_ids[i]) |
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53 | return 1; |
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54 | } |
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55 | return 0; |
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56 | } |
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57 | |
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58 | |
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59 | #define DCT6200_MODEL_ID1 0x0000620a |
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60 | #define DCT6200_MODEL_ID2 0x00006200 |
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61 | #define DCT6412_MODEL_ID1 0x000064ca |
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62 | #define DCT6208_MODEL_ID1 0x0000628a |
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63 | int model_ids[] = {-1, // Specified by -M |
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64 | DCT6200_MODEL_ID1, |
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65 | DCT6200_MODEL_ID2, |
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66 | DCT6412_MODEL_ID1 |
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67 | // , |
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68 | // DCT6208_MODEL_ID1 |
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69 | }; |
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70 | |
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71 | int get_model (int mid) { |
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72 | int last = sizeof(model_ids) / sizeof(int); |
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73 | int i; |
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74 | for (i = 0; i < last; i++) { |
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75 | if (mid == model_ids[i]) |
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76 | return 1; |
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77 | } |
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78 | return 0; |
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79 | } |
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80 | |
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81 | #define DCT6200_SPEC_ID 0x00005068 |
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82 | #define DCT6200_SW_VERSION 0x00010101 |
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83 | |
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84 | |
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85 | #define AVC1394_SUBUNIT_TYPE_6200 (9 << 19) /* uses a reserved subunit type */ |
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86 | |
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87 | #define AVC1394_6200_COMMAND_CHANNEL 0x000007C00 /* 6200 subunit command */ |
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88 | #define AVC1394_6200_OPERAND_SET 0x20 /* 6200 subunit command operand */ |
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89 | |
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90 | #define CTL_CMD0 AVC1394_CTYPE_CONTROL | AVC1394_SUBUNIT_TYPE_6200 | \ |
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91 | AVC1394_SUBUNIT_ID_0 | AVC1394_6200_COMMAND_CHANNEL | \ |
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92 | AVC1394_6200_OPERAND_SET |
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93 | |
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94 | |
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95 | void usage() |
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96 | { |
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97 | fprintf(stderr, "Usage: 6200ch [-v] [-p n] <channel_num>\n"); |
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98 | exit(1); |
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99 | } |
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100 | |
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101 | int main (int argc, char *argv[]) |
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102 | { |
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103 | rom1394_directory dir; |
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104 | int device = -1; |
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105 | int i; |
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106 | int verbose = 0; |
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107 | int port = 0; |
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108 | quadlet_t cmd[2]; |
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109 | int dig[3]; |
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110 | int chn = 0; |
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111 | |
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112 | if (argc < 2) |
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113 | usage(); |
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114 | |
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115 | argc--; |
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116 | argv++; |
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117 | |
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118 | while (argc > 0) { |
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119 | if (argv[0][0] == '-' && argv[0][1] == 'h') { |
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120 | usage(); |
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121 | } |
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122 | if (argv[0][0] == '-' && argv[0][1] == 'v') { |
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123 | verbose = 1; |
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124 | argc--; |
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125 | argv++; |
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126 | continue;; |
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127 | } |
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128 | if (argv[0][0] == '-' && argv[0][1] == 'p') { |
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129 | argc--; |
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130 | argv++; |
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131 | if (argc > 0) { |
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132 | port = atoi (argv[0]); |
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133 | argc--; |
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134 | argv++; |
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135 | } |
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136 | continue; |
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137 | } |
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138 | if (argv[0][0] == '-' && argv[0][1] == 'V') { |
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139 | argc--; |
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140 | argv++; |
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141 | if (argc > 0) { |
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142 | sscanf (argv[0], "%i", &vendor_ids[0]); |
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143 | argc--; |
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144 | argv++; |
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145 | } |
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146 | continue; |
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147 | } |
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148 | if (argv[0][0] == '-' && argv[0][1] == 'M') { |
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149 | argc--; |
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150 | argv++; |
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151 | if (argc > 0) { |
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152 | sscanf (argv[0], "%i", &model_ids[0]); |
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153 | argc--; |
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154 | argv++; |
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155 | } |
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156 | continue; |
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157 | } |
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158 | if (argc == 1) { |
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159 | chn = atoi(argv[0]); |
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160 | argc--; |
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161 | argv++; |
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162 | } |
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163 | else |
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164 | usage(); |
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165 | } |
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166 | |
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167 | |
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168 | #ifdef RAW1394_V_0_8 |
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169 | raw1394handle_t handle = raw1394_get_handle(); |
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170 | #else |
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171 | raw1394handle_t handle = raw1394_new_handle(); |
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172 | #endif |
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173 | |
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174 | if (!handle) { |
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175 | if (!errno) { |
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176 | fprintf(stderr, "Not Compatable!\n"); |
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177 | } else { |
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178 | perror("Couldn't get 1394 handle"); |
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179 | fprintf(stderr, "Is ieee1394, driver, and raw1394 loaded?\n"); |
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180 | } |
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181 | exit(1); |
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182 | } |
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183 | |
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184 | if (raw1394_set_port(handle, port) < 0) { |
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185 | perror("Couldn't set port.\n"); |
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186 | raw1394_destroy_handle(handle); |
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187 | exit(1); |
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188 | } |
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189 | |
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190 | int nc = raw1394_get_nodecount(handle); |
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191 | if (verbose) |
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192 | printf ("%d nodes found.\n\n", nc); |
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193 | |
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194 | for (i = nc - 1; i >= 0; i--) { |
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195 | if (rom1394_get_directory(handle, i, &dir) < 0) { |
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196 | if (verbose) fprintf(stderr, |
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197 | "error reading config rom directory for node %d\n", i); |
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198 | } |
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199 | |
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200 | if (verbose) |
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201 | printf("node %d: vendor_id = 0x%08x model_id = 0x%08x\n\n", |
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202 | i, dir.vendor_id, dir.model_id); |
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203 | |
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204 | if ( get_vendor (dir.vendor_id) && |
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205 | get_model (dir.model_id) ) { |
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206 | |
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207 | if (dir.unit_spec_id != DCT6200_SPEC_ID) |
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208 | fprintf(stderr, "Warning: Unit Spec ID different: 0x%08x\n", |
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209 | dir.unit_spec_id); |
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210 | if (dir.unit_sw_version != DCT6200_SW_VERSION) |
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211 | fprintf(stderr, "Warning: Unit Software Version different: 0x%08x\n", |
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212 | dir.unit_sw_version); |
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213 | device = i; |
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214 | break; |
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215 | } |
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216 | } |
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217 | |
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218 | if (device == -1) { |
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219 | fprintf(stderr, |
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220 | "\nCould not find Motorola DCT-6200 on the 1394 bus.\n" |
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221 | " Run with \"-v\". Then run with \"-V vendor_id -M model_id\"" |
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222 | ".\n--OR--\n" |
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223 | " Run plugreport,then retry /w \"-p {Host Adapter #}\"\n\n"); |
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224 | raw1394_destroy_handle(handle); |
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225 | exit(1); |
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226 | } |
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227 | |
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228 | if (chn > 0) { |
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229 | if (verbose) printf("Changing to channel %d\n", chn); |
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230 | |
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231 | dig[2] = (chn % 10); |
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232 | dig[1] = (chn % 100) / 10; |
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233 | dig[0] = (chn % 1000) / 100; |
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234 | |
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235 | if (verbose) |
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236 | printf("AV/C Command: %d%d%d = Op1=0x%08X Op2=0x%08X Op3=0x%08X\n", |
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237 | dig[0], dig[1], dig[2], |
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238 | CTL_CMD0 | dig[0], CTL_CMD0 | dig[1], CTL_CMD0 | dig[2]); |
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239 | |
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240 | for (i=0; i<3; i++) { |
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241 | cmd[0] = CTL_CMD0 | dig[i]; |
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242 | cmd[1] = 0x0; |
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243 | |
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244 | avc1394_transaction_block(handle, device, cmd, 2, 1); |
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245 | usleep(500000); // small delay for button to register |
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246 | } |
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247 | } |
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248 | raw1394_destroy_handle(handle); |
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249 | exit(0); |
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250 | } |
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