MythTV: 6200ch.c Source File

00001 /*
00002  * 6200ch - an external channel changer for Motorola DCT-6200 Tuner 
00003  * 
00004  * Copyright 2004,2005 by Stacey D. Son <mythdev@son.org> 
00005  * 
00006  * This program is free software; you can redistribute it and/or modify
00007  * it under the terms of the GNU General Public License as published by
00008  * the Free Software Foundation; either version 2 of the License, or
00009  * (at your option) any later version.
00010  *
00011  * This program is distributed in the hope that it will be useful,
00012  * but WITHOUT ANY WARRANTY; without even the implied warranty of
00013  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
00014  * GNU General Public License for more details.
00015  *
00016  * You should have received a copy of the GNU General Public License
00017  * along with this program; if not, write to the Free Software Foundation,
00018  * Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
00019  */
00020 
00021 #include <libavc1394/rom1394.h>
00022 #include <libavc1394/avc1394.h>
00023 #include <libraw1394/raw1394.h>
00024 #include <sys/types.h>
00025 #include <stdio.h>
00026 #include <errno.h>
00027 #include <stdlib.h>
00028 #include <limits.h> //for LLONG_MAX
00029 #include <getopt.h>
00030 #include <unistd.h> // for usleep
00031 
00032 // Vendor and Model IDs.
00033 // NOTE: Some Models have more than one possible Vendor ID
00034 // WARNING: Please update firewiredevice.cpp when adding to this list.
00035 
00036 #define DCH3200_VENDOR_ID1 0x00001c11
00037 #define DCH3200_VENDOR_ID2 0x00001cfb
00038 #define DCH3200_VENDOR_ID3 0x00001fc4
00039 #define DCH3200_VENDOR_ID4 0x000023a3
00040 #define DCH3200_MODEL_ID1  0x0000d330
00041 
00042 #define DCH3416_VENDOR_ID1 0x00001e46
00043 #define DCH3416_MODEL_ID1  0x0000b630
00044 
00045 #define DCT3412_VENDOR_ID1 0x0000159a
00046 #define DCT3412_MODEL_ID1  0x000034cb
00047 
00048 #define DCT3416_VENDOR_ID1 0x000016b5
00049 #define DCT3416_VENDOR_ID2 0x00001bdd
00050 #define DCT3416_MODEL_ID1  0x0000346b
00051 #define DCT3416_MODEL_ID2  0x0000b630
00052 
00053 #define DCT5100_VENDOR_ID1 0x000017ee
00054 #define DCT5100_MODEL_ID1  0x0000620a
00055 
00056 #define DCT6200_VENDOR_ID1 0x00000ce5
00057 #define DCT6200_VENDOR_ID2 0x00000e5c
00058 #define DCT6200_VENDOR_ID3 0x00001225
00059 #define DCT6200_VENDOR_ID4 0x00000f9f
00060 #define DCT6200_VENDOR_ID5 0x00001180
00061 #define DCT6200_VENDOR_ID6 0x000012c9
00062 #define DCT6200_VENDOR_ID7 0x000011ae
00063 #define DCT6200_VENDOR_ID8 0x0000152f
00064 #define DCT6200_VENDOR_ID9 0x000014e8
00065 #define DCT6200_VENDOR_ID10 0x000016b5
00066 #define DCT6200_VENDOR_ID11 0x00001371
00067 #define DCT6200_VENDOR_ID12 0x000019a6
00068 #define DCT6200_VENDOR_ID13 0x00001aad
00069 #define DCT6200_VENDOR_ID14 0x00000b06
00070 #define DCT6200_VENDOR_ID15 0x0000195e
00071 #define DCT6200_VENDOR_ID16 0x000010dc
00072 #define DCT6200_SPEC_ID    0x00005068
00073 #define DCT6200_SW_VERSION 0x00010101
00074 #define DCT6200_MODEL_ID1  0x0000620a
00075 #define DCT6200_MODEL_ID2  0x00006200
00076 
00077 #define DCT6412_VENDOR_ID1 0x00000f9f
00078 #define DCT6412_VENDOR_ID2 0x0000152f
00079 #define DCT6412_MODEL_ID1  0x000064ca
00080 #define DCT6412_MODEL_ID2  0x000064cb
00081 
00082 #define DCT6416_VENDOR_ID1 0x000017ee
00083 #define DCT6416_VENDOR_ID2 0x00001a66 
00084 #define DCT6416_MODEL_ID1  0x0000646b
00085 
00086 #define QIP7100_VENDOR_ID1 0x00002374
00087 #define QIP7100_MODEL_ID1  0x00008100
00088 #define QIP7100_MODEL_ID2  0x00000001
00089 
00090 #define MOT_UNKNOWN_VENDOR_ID1 0x04db
00091 #define MOT_UNKNOWN_VENDOR_ID2 0x0406
00092 #define MOT_UNKNOWN_VENDOR_ID3 0x0ce5
00093 #define MOT_UNKNOWN_VENDOR_ID4 0x111a
00094 #define MOT_UNKNOWN_VENDOR_ID5 0x1225
00095 #define MOT_UNKNOWN_VENDOR_ID6 0x1404
00096 #define MOT_UNKNOWN_VENDOR_ID7 0x1626
00097 #define MOT_UNKNOWN_VENDOR_ID8 0x18c0
00098 #define MOT_UNKNOWN_VENDOR_ID9 0x1ade
00099 #define MOT_UNKNOWN_VENDOR_ID10 0x1cfb
00100 #define MOT_UNKNOWN_VENDOR_ID11 0x2040
00101 #define MOT_UNKNOWN_VENDOR_ID12 0x211e
00102 #define MOT_UNKNOWN_VENDOR_ID13 0x2180
00103 #define MOT_UNKNOWN_VENDOR_ID14 0x2210
00104 #define MOT_UNKNOWN_VENDOR_ID15 0x230b
00105 #define MOT_UNKNOWN_VENDOR_ID16 0x2375
00106 #define MOT_UNKNOWN_VENDOR_ID17 0x2395
00107 #define MOT_UNKNOWN_VENDOR_ID18 0x23a2
00108 #define MOT_UNKNOWN_VENDOR_ID19 0x23ed
00109 #define MOT_UNKNOWN_VENDOR_ID20 0x23ee
00110 #define MOT_UNKNOWN_VENDOR_ID21 0x23a0
00111 #define MOT_UNKNOWN_VENDOR_ID22 0x23a1
00112 
00113 #define PACE_VENDOR_ID1    0x00005094 /* 550 & 779 */
00114 #define PACE_VENDOR_ID2    0x00005094 /* unknown */
00115 #define PACE550_MODEL_ID1  0x00010551
00116 #define PACE779_MODEL_ID1  0x00010755
00117 
00118 #define AVC1394_6200_OPERAND_SET 0x20      /* 6200 subunit command operand */
00119 
00120 #define CTL_CMD0 AVC1394_CTYPE_CONTROL | AVC1394_SUBUNIT_TYPE_PANEL | \
00121         AVC1394_SUBUNIT_ID_0 | AVC1394_PANEL_COMMAND_PASS_THROUGH | \
00122         AVC1394_6200_OPERAND_SET
00123 
00124 #define STARTING_NODE 1  /* skip 1394 nodes to avoid error msgs */
00125 #define STARTING_PORT 0
00126 #define RETRY_COUNT_SLOW 1
00127 #define RETRY_COUNT_FAST 0
00128 
00129 void set_chan_slow(raw1394handle_t handle, int device, int verbose, int chn);
00130 void set_chan_fast(raw1394handle_t handle, int device, int verbose, int chn);
00131 
00132 void usage()
00133 {
00134    fprintf(stderr, "Usage: 6200ch [-v] [-s] [-n NODE] [-g GUID] [-p PORT] "
00135            "<channel_num>\n");
00136    fprintf(stderr, "-v        print additional verbose output\n");
00137    fprintf(stderr, "-s        use single packet method\n");
00138    fprintf(stderr, "-n NODE   node to start device scanning on (default:%i)\n",
00139            STARTING_NODE);
00140    fprintf(stderr, "-p PORT   port/adapter to use              (default:%i)\n",
00141            STARTING_PORT);
00142    fprintf(stderr, "-g GUID   GUID to use, -n switch, if present, will be ignored.\n");
00143    exit(1);
00144 }
00145 
00146 int main (int argc, char *argv[])
00147 {
00148    rom1394_directory dir;
00149    int device = -1;
00150    int i;
00151    int verbose = 0;
00152    int single_packet = 0;
00153    int bGUID=0;
00154    octlet_t cli_GUID=0LL;
00155    octlet_t node_GUID=0LL;
00156    quadlet_t cmd[2];
00157    int chn = 550;
00158 
00159    /* some people experience crashes when starting on node 1 */
00160    int starting_node = STARTING_NODE;
00161    int starting_port = STARTING_PORT;
00162    int c;
00163    int index;
00164 
00165    if (argc < 2) 
00166       usage();
00167 
00168    opterr = 0;
00169    while ((c = getopt(argc, argv, "vsg:n:p:")) != -1)
00170    {
00171        switch (c) {
00172        case 'v':
00173            verbose = 1;
00174            break;
00175        case 's':
00176            single_packet = 1;
00177            break;
00178        case 'n':
00179            starting_node = atoi(optarg);
00180            break;
00181        case 'g':
00182            bGUID=1;
00183            starting_node=0;
00184            cli_GUID = (octlet_t)strtoll(optarg, (char **)NULL, 16);
00185            break;
00186        case 'p':
00187            starting_port = atoi(optarg);
00188            break;
00189        default:
00190            fprintf(stderr, "incorrect command line arguments\n");
00191            usage();
00192        }
00193    }
00194 
00195    /* print out usage message if not enough arguments */
00196    if (optind != argc-1) {
00197        usage();
00198    }
00199    /* the last argument is the channel number */
00200    chn = atoi(argv[optind]);
00201 
00202 #ifdef RAW1394_V_0_8
00203    raw1394handle_t handle = raw1394_get_handle();
00204 #else
00205    raw1394handle_t handle = raw1394_new_handle();
00206 #endif
00207 
00208    if (!handle) {
00209       if (!errno) {
00210          fprintf(stderr, "Not Compatible!\n");
00211       } else {
00212          perror("Couldn't get 1394 handle");
00213          fprintf(stderr, "Is ieee1394, driver, and raw1394 loaded?\n");
00214       }
00215       exit(1);
00216    } 
00217 
00218    if (raw1394_set_port(handle, starting_port) < 0) {
00219       perror("couldn't set port");
00220       raw1394_destroy_handle(handle);
00221       exit(1);
00222    }
00223 
00224    if (verbose)
00225        printf("starting with node: %d\n", starting_node);
00226 
00227    int nc = raw1394_get_nodecount(handle);
00228    if (bGUID!=0) {
00229       if (cli_GUID==0LL || cli_GUID==LLONG_MAX || cli_GUID==LLONG_MIN) {
00230           fprintf(stderr, "error parsing GUID command line parameter\n");
00231           exit(1);
00232       }   
00233    }      
00234    for (i=starting_node; i < nc; ++i) {
00235       if (bGUID!=0) {
00236          node_GUID=rom1394_get_guid(handle, i);
00237 #ifdef DEBUG
00238          printf("node=%d, node_GUID=%LX, cli_GUID=%LX\n", i, node_GUID, cli_GUID);
00239 #endif   
00240          if (cli_GUID!=node_GUID) {
00241              continue;
00242          }
00243       } 
00244 
00245       if (rom1394_get_directory(handle, i, &dir) < 0) {
00246          fprintf(stderr,"error reading config rom directory for node %d\n", i);
00247          raw1394_destroy_handle(handle);
00248          exit(1);
00249       }
00250 
00251       if (verbose) 
00252          printf("node %d: vendor_id = 0x%08x model_id = 0x%08x\n", 
00253                  i, dir.vendor_id, dir.model_id); 
00254 
00255       // WARNING: Please update firewiredevice.cpp when adding to this list.
00256       if ( ((dir.vendor_id == DCH3200_VENDOR_ID1) ||
00257             (dir.vendor_id == DCH3200_VENDOR_ID2) ||
00258             (dir.vendor_id == DCH3200_VENDOR_ID3) ||
00259             (dir.vendor_id == DCH3200_VENDOR_ID4) ||
00260             (dir.vendor_id == DCH3416_VENDOR_ID1) ||
00261             (dir.vendor_id == DCT3412_VENDOR_ID1) ||
00262             (dir.vendor_id == DCT3416_VENDOR_ID1) ||
00263             (dir.vendor_id == DCT3416_VENDOR_ID2) ||
00264             (dir.vendor_id == DCT5100_VENDOR_ID1) ||
00265             (dir.vendor_id == DCT6200_VENDOR_ID1) ||
00266             (dir.vendor_id == DCT6200_VENDOR_ID2) ||
00267             (dir.vendor_id == DCT6200_VENDOR_ID3) ||
00268             (dir.vendor_id == DCT6200_VENDOR_ID4) ||
00269             (dir.vendor_id == DCT6200_VENDOR_ID5) ||
00270             (dir.vendor_id == DCT6200_VENDOR_ID6) ||
00271             (dir.vendor_id == DCT6200_VENDOR_ID7) ||
00272             (dir.vendor_id == DCT6200_VENDOR_ID8) ||
00273             (dir.vendor_id == DCT6200_VENDOR_ID9) ||
00274             (dir.vendor_id == DCT6200_VENDOR_ID10) ||
00275             (dir.vendor_id == DCT6200_VENDOR_ID11) ||
00276             (dir.vendor_id == DCT6200_VENDOR_ID12) ||
00277             (dir.vendor_id == DCT6200_VENDOR_ID13) ||
00278             (dir.vendor_id == DCT6200_VENDOR_ID14) ||
00279             (dir.vendor_id == DCT6200_VENDOR_ID15) ||
00280             (dir.vendor_id == DCT6200_VENDOR_ID16) ||
00281             (dir.vendor_id == DCT6412_VENDOR_ID1) ||
00282             (dir.vendor_id == DCT6412_VENDOR_ID2) ||
00283             (dir.vendor_id == DCT6416_VENDOR_ID1) ||
00284             (dir.vendor_id == DCT6416_VENDOR_ID2) ||
00285             (dir.vendor_id == QIP7100_VENDOR_ID1) ||
00286             (dir.vendor_id == MOT_UNKNOWN_VENDOR_ID1) ||
00287             (dir.vendor_id == MOT_UNKNOWN_VENDOR_ID2) ||
00288             (dir.vendor_id == MOT_UNKNOWN_VENDOR_ID3) ||
00289             (dir.vendor_id == MOT_UNKNOWN_VENDOR_ID4) ||
00290             (dir.vendor_id == MOT_UNKNOWN_VENDOR_ID5) ||
00291             (dir.vendor_id == MOT_UNKNOWN_VENDOR_ID6) ||
00292             (dir.vendor_id == MOT_UNKNOWN_VENDOR_ID7) ||
00293             (dir.vendor_id == MOT_UNKNOWN_VENDOR_ID8) ||
00294             (dir.vendor_id == MOT_UNKNOWN_VENDOR_ID9) ||
00295             (dir.vendor_id == MOT_UNKNOWN_VENDOR_ID10) ||
00296             (dir.vendor_id == MOT_UNKNOWN_VENDOR_ID11) ||
00297             (dir.vendor_id == MOT_UNKNOWN_VENDOR_ID12) ||
00298             (dir.vendor_id == MOT_UNKNOWN_VENDOR_ID13) ||
00299             (dir.vendor_id == MOT_UNKNOWN_VENDOR_ID14) ||
00300             (dir.vendor_id == MOT_UNKNOWN_VENDOR_ID15) ||
00301             (dir.vendor_id == MOT_UNKNOWN_VENDOR_ID16) ||
00302             (dir.vendor_id == MOT_UNKNOWN_VENDOR_ID17) ||
00303             (dir.vendor_id == MOT_UNKNOWN_VENDOR_ID18) ||
00304             (dir.vendor_id == MOT_UNKNOWN_VENDOR_ID19) ||
00305             (dir.vendor_id == MOT_UNKNOWN_VENDOR_ID20) ||
00306             (dir.vendor_id == MOT_UNKNOWN_VENDOR_ID21) ||
00307             (dir.vendor_id == MOT_UNKNOWN_VENDOR_ID22) ||
00308             (dir.vendor_id == PACE_VENDOR_ID1) ||
00309             (dir.vendor_id == PACE_VENDOR_ID2)) &&
00310            ((dir.model_id == DCH3200_MODEL_ID1) ||
00311             (dir.model_id == DCH3416_MODEL_ID1) ||
00312             (dir.model_id == DCT3412_MODEL_ID1) ||
00313             (dir.model_id == DCT3416_MODEL_ID1) ||
00314             (dir.model_id == DCT3416_MODEL_ID2) ||
00315             (dir.model_id == DCT5100_MODEL_ID1) ||
00316             (dir.model_id == DCT6200_MODEL_ID1) ||
00317             (dir.model_id == DCT6200_MODEL_ID2) ||
00318             (dir.model_id == DCT6412_MODEL_ID1) ||
00319             (dir.model_id == DCT6412_MODEL_ID2) ||
00320             (dir.model_id == DCT6416_MODEL_ID1) ||
00321             (dir.model_id == QIP7100_MODEL_ID1) ||
00322             (dir.model_id == QIP7100_MODEL_ID2) ||
00323             (dir.model_id == PACE550_MODEL_ID1) ||
00324             (dir.model_id == PACE779_MODEL_ID1)) )
00325       {
00326             if (dir.unit_spec_id != DCT6200_SPEC_ID)
00327                fprintf(stderr, "Warning: Unit Spec ID different.\n");
00328             if (dir.unit_sw_version != DCT6200_SW_VERSION)
00329                fprintf(stderr, "Warning: Unit Software Version different.\n");
00330             device = i;
00331             break;
00332       }
00333    }
00334     
00335    if (device == -1) {
00336         fprintf(stderr, "Could not find Motorola DCT-6200 on the 1394 bus.\n");
00337         raw1394_destroy_handle(handle);
00338         exit(1);
00339    }
00340 
00341    if (single_packet)
00342        set_chan_fast(handle, device, verbose, chn);
00343    else
00344        set_chan_slow(handle, device, verbose, chn);
00345 
00346    raw1394_destroy_handle(handle);
00347    exit(0);
00348 }
00349 
00350 void set_chan_slow(raw1394handle_t handle, int device, int verbose, int chn)
00351 {
00352    int i;
00353    int dig[3];
00354    quadlet_t cmd[2];
00355 
00356    dig[2] = (chn % 10);
00357    dig[1] = (chn % 100)  / 10;
00358    dig[0] = (chn % 1000) / 100;
00359 
00360    if (verbose)
00361       printf("AV/C Command: %d%d%d = Op1=0x%08X Op2=0x%08X Op3=0x%08X\n", 
00362             dig[0], dig[1], dig[2], 
00363             CTL_CMD0 | dig[0], CTL_CMD0 | dig[1], CTL_CMD0 | dig[2]);
00364 
00365    for (i=0; i<3; i++) {
00366       cmd[0] = CTL_CMD0 | dig[i];
00367       cmd[1] = 0x0;
00368     
00369       avc1394_transaction_block(handle, device, cmd, 2, RETRY_COUNT_SLOW);
00370       usleep(500000);  // small delay for button to register
00371    }
00372 }
00373 
00374 void set_chan_fast(raw1394handle_t handle, int device, int verbose, int chn)
00375 {
00376     quadlet_t cmd[3];
00377 
00378     cmd[0] = CTL_CMD0 | 0x67;
00379     cmd[1] = (0x04 << 24) | (chn << 8) | 0x000000FF;
00380     cmd[2] = 0xFF << 24;
00381 
00382     if (verbose)
00383         printf("AV/C command for channel %d = 0x%08X %08X %08X\n", 
00384                chn, cmd[0], cmd[1], cmd[2]);
00385  
00386     avc1394_transaction_block(handle, device, cmd, 3, RETRY_COUNT_FAST);
00387 }
00388 
00389 /* vim: set expandtab tabstop=4 shiftwidth=4: */