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experimental mode to auto select proper delivery system mode

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rjkm
2025-08-22 14:43:52 +02:00
parent a287e1b4cd
commit 05db02a2db
1 changed files with 45 additions and 5 deletions
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50
ddbridge/ddbridge-m4.c
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@@ -331,22 +331,62 @@ static int search_isdbt(struct dvb_frontend *fe)
return stat;
}
#ifdef AUTOMODE
static u8 del2modetab[22] = {
0, 1, 1, 1, 2, 2, 2, 1,
1, 2, 1, 1, 1, 1, 1, 1,
1, 2, 1, 1, 1, 2,
};
static u8 del2mode(enum fe_delivery_system delivery_system)
{
switch (delivery_system) {
case SYS_UNDEFINED:
default:
return 0;
case SYS_DVBS:
case SYS_DVBS2:
case SYS_ISDBS:
return 2;
case SYS_DVBC_ANNEX_A:
case SYS_DVBC_ANNEX_B:
case SYS_DVBT:
case SYS_DVBT2:
case SYS_DVBC2:
case SYS_ISDBT:
case SYS_DVBC_ANNEX_C:
case SYS_ISDBC:
case SYS_ATSC:
return 1;
}
}
#endif
static int set_parameters(struct dvb_frontend *fe)
{
struct m4 *state = fe->demodulator_priv;
#ifdef AUTOMODE
struct ddb_link *link = state->mci.base->link;
#endif
int res;
//struct dtv_frontend_properties *p = &fe->dtv_property_cache;
enum fe_delivery_system ds =
fe->dtv_property_cache.delivery_system;
stop(fe);
state->t2_signalling_valid = 0;
state->iq_constellation_point = 0;
state->iq_constellation_point_max = 0;
state->iq_constellation_tap = 0;
//printk("bw = %u\n", p->bandwidth_hz);
switch (fe->dtv_property_cache.delivery_system) {
#ifdef AUTOMODE
if ((link->ids.device == 0x0014 ||
link->ids.device == 0x0025) &&
state->mci.demod == 0) {
u8 mode = (ds <= SYS_ISDBS3) ? del2modetab[ds] : 0;
ddb_mci_cmd_link_simple(link, MCI_CMD_SET_INPUT_CONFIG, 0xff, mode);
}
#endif
switch (ds) {
case SYS_DVBS:
case SYS_DVBS2:
res = search_s2(fe);