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V4L/DVB (4788): Tda8083: support for uncorrectable blocks and bit error rate

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

Signed-off-by: Christoph Haubrich <christoph1.haubrich@arcor.de>
Signed-off-by: Oliver Endriss <o.endriss@gmx.de>
Signed-off-by: Mauro Carvalho Chehab <mchehab@infradead.org>
This commit is contained in:
Christoph Haubrich 2006-10-31 00:29:30 -03:00 committed by Mauro Carvalho Chehab
parent bf11f5e944
commit dbb2e6392b
1 changed files with 30 additions and 0 deletions
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30
drivers/media/dvb/frontends/tda8083.c
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@ -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,