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[media] stv090x: add support for multistream 

Adds support for filtering multistream TS using stv090x hardware.

Signed-off-by: Evgeny Plehov <EvgenyPlehov@ukr.net>
Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>
This commit is contained in:
Evgeny Plehov 2012-09-13 10:19:39 -03:00 committed by Mauro Carvalho Chehab
parent 81800159ef
commit f9040ef3fa
1 changed files with 32 additions and 0 deletions
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32
drivers/media/dvb-frontends/stv090x.c
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@ -3425,6 +3425,33 @@ err:
return -1;
}
static int stv090x_set_mis(struct stv090x_state *state, int mis)
{
u32 reg;
if (mis < 0 || mis > 255) {
dprintk(FE_DEBUG, 1, "Disable MIS filtering");
reg = STV090x_READ_DEMOD(state, PDELCTRL1);
STV090x_SETFIELD_Px(reg, FILTER_EN_FIELD, 0x00);
if (STV090x_WRITE_DEMOD(state, PDELCTRL1, reg) < 0)
goto err;
} else {
dprintk(FE_DEBUG, 1, "Enable MIS filtering - %d", mis);
reg = STV090x_READ_DEMOD(state, PDELCTRL1);
STV090x_SETFIELD_Px(reg, FILTER_EN_FIELD, 0x01);
if (STV090x_WRITE_DEMOD(state, PDELCTRL1, reg) < 0)
goto err;
if (STV090x_WRITE_DEMOD(state, ISIENTRY, mis) < 0)
goto err;
if (STV090x_WRITE_DEMOD(state, ISIBITENA, 0xff) < 0)
goto err;
}
return 0;
err:
dprintk(FE_ERROR, 1, "I/O error");
return -1;
}
static enum dvbfe_search stv090x_search(struct dvb_frontend *fe)
{
struct stv090x_state *state = fe->demodulator_priv;
@ -3447,6 +3474,8 @@ static enum dvbfe_search stv090x_search(struct dvb_frontend *fe)
state->search_range = 5000000;
}
stv090x_set_mis(state, props->stream_id);
if (stv090x_algo(state) == STV090x_RANGEOK) {
dprintk(FE_DEBUG, 1, "Search success!");
return DVBFE_ALGO_SEARCH_SUCCESS;
@ -4798,6 +4827,9 @@ struct dvb_frontend *stv090x_attach(const struct stv090x_config *config,
}
}
if (state->internal->dev_ver >= 0x30)
state->frontend.ops.info.caps |= FE_CAN_MULTISTREAM;
/* workaround for stuck DiSEqC output */
if (config->diseqc_envelope_mode)
stv090x_send_diseqc_burst(&state->frontend, SEC_MINI_A);