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| author | Christoph Haubrich <christoph1.haubrich@arcor.de> | 2006-10-31 00:29:30 -0300 |
|---|---|---|
| committer | Mauro Carvalho Chehab <mchehab@infradead.org> | 2006-12-10 08:51:08 -0200 |
| commit | dbb2e6392b4fe350e549cdc2d42cebf3b3574a6a (patch) | |
| tree | bb34219c60ec130ab33e29192e22acbe2008fc10 /drivers | |
| parent | bf11f5e944b3bb7d310aff041a1664fb80a82078 (diff) | |
| download | kernel-crypto-dbb2e6392b4fe350e549cdc2d42cebf3b3574a6a.tar.gz kernel-crypto-dbb2e6392b4fe350e549cdc2d42cebf3b3574a6a.tar.xz kernel-crypto-dbb2e6392b4fe350e549cdc2d42cebf3b3574a6a.zip | |
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: Christoph Haubrich <christoph1.haubrich@arcor.de>
Signed-off-by: Oliver Endriss <o.endriss@gmx.de>
Signed-off-by: Mauro Carvalho Chehab <mchehab@infradead.org>
Diffstat (limited to 'drivers')
| -rw-r--r-- | drivers/media/dvb/frontends/tda8083.c | 30 |
1 files changed, 30 insertions, 0 deletions
diff --git a/drivers/media/dvb/frontends/tda8083.c b/drivers/media/dvb/frontends/tda8083.c index 3aa45ebbac3..67415c9db6f 100644 --- a/drivers/media/dvb/frontends/tda8083.c +++ b/drivers/media/dvb/frontends/tda8083.c @@ -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, |