/*
* sa3250ch - an external channel changer for SA3250HD Tuner
* Based off 6200ch.c by Stacey D. Son
*
* Copyright 2004,2005 by Stacey D. Son <mythdev@son.org>
* Copyright 2005 Matt Porter <mporter@kernel.crashing.org>
* Portions Copyright 2006 Chris Ingrassia <chris@spicecoffee.org> (SA4200 and Single-digit command mode)
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation; either version 2 of the License, or
* (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program; if not, write to the Free Software Foundation,
* Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
*/
#include <libavc1394/rom1394.h>
#include <libavc1394/avc1394.h>
#include <libraw1394/raw1394.h>
#include <sys/types.h>
#include <stdio.h>
#include <errno.h>
#include <stdlib.h>
#include <string.h>
/* SA3250HD IDs */
/* WARNING: Please update firewiredevice.cpp when adding to this list. */
#define SA_VENDOR_ID1 0x00000a73
#define SA_VENDOR_ID2 0x00000f21
#define SA_VENDOR_ID3 0x000011e6
#define SA_VENDOR_ID4 0x000014f8
#define SA_VENDOR_ID5 0x00001692
#define SA_VENDOR_ID6 0x00001868
#define SA_VENDOR_ID7 0x00001947
#define SA_VENDOR_ID8 0x00001ac3
#define SA_VENDOR_ID9 0x00001bd7
#define SA_VENDOR_ID10 0x00001cea
#define SA_VENDOR_ID11 0x00001e6b
#define SA_VENDOR_ID12 0x000021be
#define SA_VENDOR_ID13 0x0000223a
#define SA_VENDOR_ID14 0x000022ce
#define SA_VENDOR_ID15 0x000023be
#define SA_VENDOR_ID16 0x0000252e
#define SA3250HD_MODEL_ID1 0x00000be0
#define SA4200HD_MODEL_ID1 0x00001072
#define SA4250HDC_MODEL_ID1 0x000010cc
#define SA8300HD_MODEL_ID1 0x000022ce
#define AVC1394_SA3250_COMMAND_CHANNEL 0x000007c00 /* subunit command */
#define AVC1394_SA3250_OPERAND_KEY_PRESS 0xe7
#define AVC1394_SA3250_OPERAND_KEY_RELEASE 0x67
#define CTL_CMD0 AVC1394_CTYPE_CONTROL | AVC1394_SUBUNIT_TYPE_PANEL | \
AVC1394_SUBUNIT_ID_0 | AVC1394_SA3250_COMMAND_CHANNEL
#define CTL_CMD1 (0x04 << 24)
#define CTL_CMD2 0xff000000
#define STARTING_NODE 0
void usage()
{
fprintf(stderr, "Usage: sa3250ch [-v] [-s] <channel_num>\n");
fprintf(stderr, " -v : Verbose Mode\n");
fprintf(stderr, " -s : Send command as single digit "
"(for SA4200 and some SA3250s and SA4200HD's)\n");
exit(1);
}
int main (int argc, char *argv[])
{
rom1394_directory dir;
int device = -1;
int single = 0;
int i;
int verbose = 0;
quadlet_t cmd[3];
int dig[3];
int chn = 708;
if (argc < 2)
usage();
for(i = 1; i < argc; ++i) {
if ((argv[i][0] == '-') && (strlen(argv[i]) > 1)) {
switch(argv[i][1]) {
case 'v':
verbose = 1;
break;
case 's':
single = 1;
break;
default:
fprintf(stderr, "WARNING: Unknown option \'%c\', ignoring", argv[i][1]);
}
}
else {
chn = atoi(argv[i]);
}
}
#ifdef RAW1394_V_0_8
raw1394handle_t handle = raw1394_get_handle();
#else
raw1394handle_t handle = raw1394_new_handle();
#endif
if (!handle) {
if (!errno) {
fprintf(stderr, "Not Compatible!\n");
} else {
perror("Couldn't get 1394 handle");
fprintf(stderr, "Is ieee1394, driver, and raw1394 loaded?\n");
}
exit(1);
}
if (raw1394_set_port(handle, 0) < 0) {
perror("couldn't set port");
raw1394_destroy_handle(handle);
exit(1);
}
int nc = raw1394_get_nodecount(handle);
for (i=STARTING_NODE; i < nc; ++i) {
if (rom1394_get_directory(handle, i, &dir) < 0) {
fprintf(stderr,"error reading config rom directory for node %d\n", i);
raw1394_destroy_handle(handle);
exit(1);
}
if (verbose)
printf("node %d: vendor_id = 0x%08x model_id = 0x%08x\n",
i, dir.vendor_id, dir.model_id);
/* WARNING: Please update firewiredevice.cpp when adding to this list. */
if (((dir.vendor_id == SA_VENDOR_ID1) ||
(dir.vendor_id == SA_VENDOR_ID2) ||
(dir.vendor_id == SA_VENDOR_ID3) ||
(dir.vendor_id == SA_VENDOR_ID4) ||
(dir.vendor_id == SA_VENDOR_ID5) ||
(dir.vendor_id == SA_VENDOR_ID6) ||
(dir.vendor_id == SA_VENDOR_ID7) ||
(dir.vendor_id == SA_VENDOR_ID8) ||
(dir.vendor_id == SA_VENDOR_ID9) ||
(dir.vendor_id == SA_VENDOR_ID10) ||
(dir.vendor_id == SA_VENDOR_ID11) ||
(dir.vendor_id == SA_VENDOR_ID12) ||
(dir.vendor_id == SA_VENDOR_ID13) ||
(dir.vendor_id == SA_VENDOR_ID14) ||
(dir.vendor_id == SA_VENDOR_ID15) ||
(dir.vendor_id == SA_VENDOR_ID16)) &&
((dir.model_id == SA3250HD_MODEL_ID1) ||
(dir.model_id == SA4200HD_MODEL_ID1) ||
(dir.model_id == SA4250HDC_MODEL_ID1) ||
(dir.model_id == SA8300HD_MODEL_ID1)))
{
if (dir.model_id == SA4250HDC_MODEL_ID1)
{
fprintf(stderr, "Ignoring SA 4250HDC on node %d -- "
"sorry not supported yet\n", i);
}
else
{
device = i;
break;
}
}
}
if (device == -1)
{
fprintf(stderr, "Could not find SA3250HD, SA4200HD, or SA8300HD "
"on the IEEE 1394 bus.\n");
raw1394_destroy_handle(handle);
exit(1);
}
if (single) {
/* Send channel as single number for SA4200 and some SA3250s */
if (verbose)
printf("Using single number channel change command method\n");
cmd[0] = CTL_CMD0 | AVC1394_SA3250_OPERAND_KEY_PRESS;
cmd[1] = CTL_CMD1 | (chn << 8);
cmd[2] = 0x0;
if (verbose)
printf("AV/C Command: cmd0=0x%08x cmd1=0x%08x cmd2=0x%08x\n",
cmd[0], cmd[1], cmd[2]);
avc1394_transaction_block(handle, 0, cmd, 3, 1);
} else {
/* Default method sending three separate digits */
dig[2] = 0x30 | (chn % 10);
dig[1] = 0x30 | ((chn % 100) / 10);
dig[0] = 0x30 | ((chn % 1000) / 100);
cmd[0] = CTL_CMD0 | AVC1394_SA3250_OPERAND_KEY_PRESS;
cmd[1] = CTL_CMD1 | (dig[2] << 16) | (dig[1] << 8) | dig[0];
cmd[2] = CTL_CMD2;
if (verbose)
printf("AV/C Command: %d%d%d = cmd0=0x%08x cmd2=0x%08x cmd3=0x%08x\n",
dig[0] & 0xf, dig[1] & 0xf, dig[2] & 0xf, cmd[0], cmd[1], cmd[2]);
avc1394_transaction_block(handle, 0, cmd, 3, 1);
cmd[0] = CTL_CMD0 | AVC1394_SA3250_OPERAND_KEY_RELEASE;
cmd[1] = CTL_CMD1 | (dig[0] << 16) | (dig[1] << 8) | dig[2];
cmd[2] = CTL_CMD2;
if (verbose)
printf("AV/C Command: %d%d%d = cmd0=0x%08x cmd2=0x%08x cmd3=0x%08x\n",
dig[0] & 0xf, dig[1] & 0xf, dig[2] & 0xf, cmd[0], cmd[1], cmd[2]);
avc1394_transaction_block(handle, 0, cmd, 3, 1);
}
raw1394_destroy_handle(handle);
exit(0);
}
