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Commit dbb2e639 authored by Christoph Haubrich's avatar Christoph Haubrich Committed by Mauro Carvalho Chehab
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V4L/DVB (4788): Tda8083: support for uncorrectable blocks and bit error rate 



Copied routines for uc blocks and BER from the removed tda80xx.c
into tda8083.c.

Signed-off-by: default avatarChristoph Haubrich <christoph1.haubrich@arcor.de>
Signed-off-by: default avatarOliver Endriss <o.endriss@gmx.de>
Signed-off-by: default avatarMauro Carvalho Chehab <mchehab@infradead.org>
parent bf11f5e9

drivers/media/dvb/frontends/tda8083.c

+30 −0
Original line number Diff line number Diff line
@@ -262,12 +262,29 @@ static int tda8083_read_status(struct dvb_frontend* fe, fe_status_t* status) 
	if (sync & 0x10)

		*status |= FE_HAS_SYNC;



	if (sync & 0x20) /* frontend can not lock */

		*status |= FE_TIMEDOUT;



	if ((sync & 0x1f) == 0x1f)

		*status |= FE_HAS_LOCK;



	return 0;

}



static int tda8083_read_ber(struct dvb_frontend* fe, u32* ber)

{

	struct tda8083_state* state = fe->demodulator_priv;

	int ret;

	u8 buf[3];



	if ((ret = tda8083_readregs(state, 0x0b, buf, sizeof(buf))))

		return ret;



	*ber = ((buf[0] & 0x1f) << 16) | (buf[1] << 8) | buf[2];



	return 0;

}



static int tda8083_read_signal_strength(struct dvb_frontend* fe, u16* strength)

{

	struct tda8083_state* state = fe->demodulator_priv;
@@ -288,6 +305,17 @@ static int tda8083_read_snr(struct dvb_frontend* fe, u16* snr) 
	return 0;

}



static int tda8083_read_ucblocks(struct dvb_frontend* fe, u32* ucblocks)

{

	struct tda8083_state* state = fe->demodulator_priv;



	*ucblocks = tda8083_readreg(state, 0x0f);

	if (*ucblocks == 0xff)

		*ucblocks = 0xffffffff;



	return 0;

}



static int tda8083_set_frontend(struct dvb_frontend* fe, struct dvb_frontend_parameters *p)

{

	struct tda8083_state* state = fe->demodulator_priv;
@@ -440,6 +468,8 @@ static struct dvb_frontend_ops tda8083_ops = { 
	.read_status = tda8083_read_status,

	.read_signal_strength = tda8083_read_signal_strength,

	.read_snr = tda8083_read_snr,

	.read_ber = tda8083_read_ber,

	.read_ucblocks = tda8083_read_ucblocks,



	.diseqc_send_master_cmd = tda8083_send_diseqc_msg,

	.diseqc_send_burst = tda8083_diseqc_send_burst,