1 | /* |
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2 | * sa3250ch - an external channel changer for SA3250HD Tuner |
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3 | * Based off 6200ch.c by Stacey D. Son |
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4 | * |
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5 | * Copyright 2004,2005 by Stacey D. Son <mythdev@son.org> |
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6 | * Copyright 2005 Matt Porter <mporter@kernel.crashing.org> |
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7 | * Portions Copyright 2006 Chris Ingrassia <chris@spicecoffee.org> (SA4200 and Single-digit command mode) |
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8 | * |
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9 | * This program is free software; you can redistribute it and/or modify |
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10 | * it under the terms of the GNU General Public License as published by |
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11 | * the Free Software Foundation; either version 2 of the License, or |
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12 | * (at your option) any later version. |
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13 | * |
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14 | * This program is distributed in the hope that it will be useful, |
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15 | * but WITHOUT ANY WARRANTY; without even the implied warranty of |
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16 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
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17 | * GNU General Public License for more details. |
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18 | * |
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19 | * You should have received a copy of the GNU General Public License |
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20 | * along with this program; if not, write to the Free Software Foundation, |
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21 | * Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. |
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22 | */ |
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23 | |
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24 | #include <libavc1394/rom1394.h> |
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25 | #include <libavc1394/avc1394.h> |
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26 | #include <libraw1394/raw1394.h> |
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27 | #include <sys/types.h> |
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28 | #include <stdio.h> |
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29 | #include <errno.h> |
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30 | #include <stdlib.h> |
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31 | #include <string.h> |
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32 | #include <unistd.h> |
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33 | |
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34 | /* SA3250HD IDs */ |
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35 | #define SA3250HD_VENDOR_ID1 0x000011e6 |
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36 | #define SA3250HD_VENDOR_ID2 0x000014f8 |
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37 | #define SA3250HD_VENDOR_ID3 0x00001692 |
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38 | #define SA3250HD_VENDOR_ID4 0x00001947 |
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39 | #define SA3250HD_MODEL_ID1 0x00000be0 |
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40 | #define SA4200HD_VENDOR_ID1 0x000014f8 |
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41 | #define SA4200HD_VENDOR_ID2 0x00001692 |
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42 | #define SA4200HD_MODEL_ID1 0x00001072 |
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43 | |
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44 | #define AVC1394_SA3250_COMMAND_CHANNEL 0x000007c00 /* subunit command */ |
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45 | #define AVC1394_SA3250_OPERAND_KEY_PRESS 0xe7 |
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46 | #define AVC1394_SA3250_OPERAND_KEY_RELEASE 0x67 |
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47 | |
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48 | #define CTL_CMD0 AVC1394_CTYPE_CONTROL | AVC1394_SUBUNIT_TYPE_PANEL | \ |
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49 | AVC1394_SUBUNIT_ID_0 | AVC1394_SA3250_COMMAND_CHANNEL |
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50 | #define CTL_CMD1 (0x04 << 24) |
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51 | #define CTL_CMD2 0xff000000 |
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52 | |
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53 | #define STARTING_NODE 1 |
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54 | |
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55 | void usage() |
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56 | { |
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57 | fprintf(stderr, "Usage: sa3250ch [-v] [-s] <channel_num>\n"); |
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58 | fprintf(stderr, " -v : Verbose Mode\n"); |
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59 | fprintf(stderr, " -s : Send command as single digit " |
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60 | "(for SA4200 and some SA3250s and SA4200HD's)\n"); |
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61 | fprintf(stderr, "-n NODE node to start device scanning on (default:%i)\n", |
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62 | STARTING_NODE); |
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63 | exit(1); |
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64 | } |
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65 | |
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66 | int main (int argc, char *argv[]) |
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67 | { |
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68 | rom1394_directory dir; |
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69 | int device = -1; |
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70 | int single = 0; |
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71 | int i; |
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72 | int verbose = 0; |
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73 | quadlet_t cmd[3]; |
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74 | int c; |
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75 | int dig[3]; |
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76 | int chn = 708; |
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77 | |
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78 | /* some people experience crashes when starting on node 1 */ |
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79 | int starting_node = STARTING_NODE; |
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80 | |
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81 | if (argc < 2) |
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82 | usage(); |
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83 | |
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84 | while ((c = getopt(argc, argv, "vsn:")) != -1) |
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85 | { |
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86 | switch (c) { |
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87 | case 'v': |
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88 | verbose = 1; |
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89 | break; |
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90 | case 's': |
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91 | single = 1; |
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92 | break; |
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93 | case 'n': |
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94 | starting_node = atoi(optarg); |
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95 | break; |
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96 | default: |
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97 | fprintf(stderr, "WARNING: Unknown option \'%c\', ignoring", argv[i][1]); |
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98 | } |
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99 | } |
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100 | |
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101 | /* print out usage message if not enough arguments */ |
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102 | if (optind != argc-1) { |
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103 | usage(); |
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104 | } |
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105 | |
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106 | /* the last argument is the channel number */ |
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107 | chn = atoi(argv[optind]); |
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108 | |
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109 | #ifdef RAW1394_V_0_8 |
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110 | raw1394handle_t handle = raw1394_get_handle(); |
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111 | #else |
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112 | raw1394handle_t handle = raw1394_new_handle(); |
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113 | #endif |
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114 | |
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115 | if (!handle) { |
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116 | if (!errno) { |
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117 | fprintf(stderr, "Not Compatible!\n"); |
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118 | } else { |
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119 | perror("Couldn't get 1394 handle"); |
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120 | fprintf(stderr, "Is ieee1394, driver, and raw1394 loaded?\n"); |
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121 | } |
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122 | exit(1); |
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123 | } |
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124 | |
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125 | if (raw1394_set_port(handle, 0) < 0) { |
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126 | perror("couldn't set port"); |
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127 | raw1394_destroy_handle(handle); |
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128 | exit(1); |
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129 | } |
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130 | |
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131 | int nc = raw1394_get_nodecount(handle); |
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132 | for (i=starting_node; i < nc; ++i) { |
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133 | if (rom1394_get_directory(handle, i, &dir) < 0) { |
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134 | fprintf(stderr,"error reading config rom directory for node %d\n", i); |
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135 | raw1394_destroy_handle(handle); |
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136 | exit(1); |
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137 | } |
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138 | |
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139 | if (verbose) |
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140 | printf("node %d: vendor_id = 0x%08x model_id = 0x%08x\n", |
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141 | i, dir.vendor_id, dir.model_id); |
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142 | |
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143 | if ((((dir.vendor_id == SA4200HD_VENDOR_ID1) || |
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144 | (dir.vendor_id == SA4200HD_VENDOR_ID2)) && |
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145 | (dir.model_id == SA4200HD_MODEL_ID1)) || |
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146 | (((dir.vendor_id == SA3250HD_VENDOR_ID1) || |
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147 | (dir.vendor_id == SA3250HD_VENDOR_ID2) || |
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148 | (dir.vendor_id == SA3250HD_VENDOR_ID3) || |
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149 | (dir.vendor_id == SA3250HD_VENDOR_ID4)) && |
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150 | (dir.model_id == SA3250HD_MODEL_ID1))) { |
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151 | device = i; |
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152 | break; |
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153 | } |
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154 | } |
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155 | |
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156 | if (device == -1) |
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157 | { |
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158 | fprintf(stderr, "Could not find SA3250HD or SA4200HD " |
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159 | "on the IEEE 1394 bus.\n"); |
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160 | |
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161 | raw1394_destroy_handle(handle); |
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162 | exit(1); |
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163 | } |
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164 | |
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165 | if (single) { |
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166 | /* Send channel as single number for SA4200 and some SA3250s */ |
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167 | if (verbose) |
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168 | printf("Using single number channel change command method\n"); |
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169 | |
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170 | cmd[0] = CTL_CMD0 | AVC1394_SA3250_OPERAND_KEY_PRESS; |
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171 | cmd[1] = CTL_CMD1 | (chn << 8); |
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172 | cmd[2] = 0x0; |
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173 | |
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174 | if (verbose) |
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175 | printf("AV/C Command: cmd0=0x%08x cmd1=0x%08x cmd2=0x%08x\n", |
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176 | cmd[0], cmd[1], cmd[2]); |
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177 | avc1394_transaction_block(handle, 0, cmd, 3, 1); |
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178 | } else { |
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179 | /* Default method sending three seperate digits */ |
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180 | dig[2] = 0x30 | (chn % 10); |
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181 | dig[1] = 0x30 | ((chn % 100) / 10); |
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182 | dig[0] = 0x30 | ((chn % 1000) / 100); |
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183 | |
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184 | cmd[0] = CTL_CMD0 | AVC1394_SA3250_OPERAND_KEY_PRESS; |
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185 | cmd[1] = CTL_CMD1 | (dig[2] << 16) | (dig[1] << 8) | dig[0]; |
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186 | cmd[2] = CTL_CMD2; |
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187 | |
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188 | if (verbose) |
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189 | printf("AV/C Command: %d%d%d = cmd0=0x%08x cmd2=0x%08x cmd3=0x%08x\n", |
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190 | dig[0] & 0xf, dig[1] & 0xf, dig[2] & 0xf, cmd[0], cmd[1], cmd[2]); |
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191 | |
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192 | avc1394_transaction_block(handle, 0, cmd, 3, 1); |
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193 | cmd[0] = CTL_CMD0 | AVC1394_SA3250_OPERAND_KEY_RELEASE; |
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194 | cmd[1] = CTL_CMD1 | (dig[0] << 16) | (dig[1] << 8) | dig[2]; |
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195 | cmd[2] = CTL_CMD2; |
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196 | |
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197 | if (verbose) |
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198 | printf("AV/C Command: %d%d%d = cmd0=0x%08x cmd2=0x%08x cmd3=0x%08x\n", |
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199 | dig[0] & 0xf, dig[1] & 0xf, dig[2] & 0xf, cmd[0], cmd[1], cmd[2]); |
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200 | |
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201 | avc1394_transaction_block(handle, 0, cmd, 3, 1); |
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202 | } |
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203 | |
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204 | raw1394_destroy_handle(handle); |
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205 | |
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206 | exit(0); |
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207 | } |
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