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Commit f9040ef3 authored by Evgeny Plehov's avatar Evgeny Plehov Committed by Mauro Carvalho Chehab
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[media] stv090x: add support for multistream 



Adds support for filtering multistream TS using stv090x hardware.

Signed-off-by: default avatarEvgeny Plehov <EvgenyPlehov@ukr.net>
Signed-off-by: default avatarMauro Carvalho Chehab <mchehab@redhat.com>
parent 81800159

drivers/media/dvb-frontends/stv090x.c

+32 −0
Original line number Diff line number Diff line
@@ -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);