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authorDarron Broad <darron@kewl.org>2008-12-18 06:28:18 -0300
committerMauro Carvalho Chehab <mchehab@redhat.com>2008-12-30 09:39:17 -0200
commit6639f1e060c2d2f3331ba6bcefe8f65b623365f3 (patch)
tree0258b3165e479a5a360c8c50b35f51c771d618d9 /drivers/media/dvb/frontends
parent2fac9a0f44d1950abb0e16f5d43f88866962ca3c (diff)
V4L/DVB (9917): cx24116: change to ALGO_HW
Slow tuning, EG: > szap-s2 -r -c 39.FTATV "1=Pgm1;Net1" reading channels from file '39.FTATV' zapping to 3 '1=Pgm1;Net1': delivery DVB-S, modulation QPSK sat 0, frequency 11140 MHz V, symbolrate 1425000, coderate 5/6, rolloff 0.35 vpid 0x0200, apid 0x0300, sid 0x0001 using '/dev/dvb/adapter0/frontend0' and '/dev/dvb/adapter0/demux0' status 00 | signal c2c0 | snr 0000 | ber 00012d4a | unc 00000000 | status 03 | signal ff80 | snr 0000 | ber 00000000 | unc 00000000 | status 01 | signal ff80 | snr 0000 | ber 00000000 | unc 00000000 | status 01 | signal ff80 | snr 0000 | ber 00000000 | unc 00000000 | status 03 | signal c040 | snr 0000 | ber 00000000 | unc 00000000 | status 03 | signal ff80 | snr 0000 | ber 00000000 | unc 00000000 | status 01 | signal ff80 | snr 0000 | ber 00000000 | unc 00000000 | status 03 | signal c040 | snr 0000 | ber 00000000 | unc 00000000 | status 01 | signal ff80 | snr 0000 | ber 00000000 | unc 00000000 | status 01 | signal ff80 | snr 0000 | ber 00000000 | unc 00000000 | status 01 | signal c040 | snr 0000 | ber 00000000 | unc 00000000 | status 01 | signal ff80 | snr 0000 | ber 00000000 | unc 00000000 | status 01 | signal ff80 | snr 0000 | ber 00000000 | unc 00000000 | status 01 | signal c040 | snr 0000 | ber 00000000 | unc 00000000 | status 03 | signal c040 | snr 0000 | ber 00000000 | unc 00000000 | status 1f | signal c040 | snr bb33 | ber 00000000 | unc 00000000 | FE_HAS_LOCK Appears to be resolved by dropping zig-zag tuning and relying on hardware only: > szap-s2 -r -c 39.FTATV "1=Pgm1;Net1" reading channels from file '39.FTATV' zapping to 3 '1=Pgm1;Net1': delivery DVB-S, modulation QPSK sat 0, frequency 11140 MHz V, symbolrate 1425000, coderate 5/6, rolloff 0.35 vpid 0x0200, apid 0x0300, sid 0x0001 using '/dev/dvb/adapter0/frontend0' and '/dev/dvb/adapter0/demux0' status 01 | signal ff80 | snr 0000 | ber 00000000 | unc 00000000 | status 1f | signal ff80 | snr c199 | ber 00000000 | unc 00000000 | FE_HAS_LOCK status 1f | signal c040 | snr c199 | ber 00000000 | unc 00000000 | FE_HAS_LOCK status 1f | signal ff80 | snr c199 | ber 00000000 | unc 00000000 | FE_HAS_LOCK Tuning to a weaker channel shows that the hardware recovers sync: status 1f | signal fe40 | snr 5199 | ber 00000000 | unc 00000000 | FE_HAS_LOCK status 03 | signal fd40 | snr 5000 | ber 00000000 | unc 00000000 | status 1f | signal fe40 | snr 5000 | ber 00000000 | unc 00000000 | FE_HAS_LOCK status 03 | signal fd80 | snr 5000 | ber 00000000 | unc 00000000 | status 01 | signal fd80 | snr 4e66 | ber 00000000 | unc 00000000 | status 1f | signal fe40 | snr 5000 | ber 00000000 | unc 00000000 | FE_HAS_LOCK status 03 | signal fe40 | snr 5000 | ber 00000000 | unc 00000000 | status 01 | signal fd80 | snr 0000 | ber 00000000 | unc 00000000 | status 1f | signal fe40 | snr 5199 | ber 00000000 | unc 00000000 | FE_HAS_LOCK Also, tuning, moving the dish and then restoring the dish also retunes. Signed-off-by: Darron Broad <darron@kewl.org> Cc: Steven Toth <stoth@hauppauge.com> Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>
Diffstat (limited to 'drivers/media/dvb/frontends')
-rw-r--r--drivers/media/dvb/frontends/cx24116.c24
1 files changed, 22 insertions, 2 deletions
diff --git a/drivers/media/dvb/frontends/cx24116.c b/drivers/media/dvb/frontends/cx24116.c
index a62ae5f578b..9b6c89e93f1 100644
--- a/drivers/media/dvb/frontends/cx24116.c
+++ b/drivers/media/dvb/frontends/cx24116.c
@@ -106,7 +106,7 @@ MODULE_PARM_DESC(debug, "Activates frontend debugging (default:0)");
#define CX24116_HAS_SYNCLOCK (0x08)
#define CX24116_HAS_UNKNOWN1 (0x10)
#define CX24116_HAS_UNKNOWN2 (0x20)
-#define CX24116_STATUS_MASK (0x3f)
+#define CX24116_STATUS_MASK (0x0f)
#define CX24116_SIGNAL_MASK (0xc0)
#define CX24116_DISEQC_TONEOFF (0) /* toneburst never sent */
@@ -681,7 +681,8 @@ static int cx24116_read_status(struct dvb_frontend *fe, fe_status_t *status)
{
struct cx24116_state *state = fe->demodulator_priv;
- int lock = cx24116_readreg(state, CX24116_REG_SSTATUS);
+ int lock = cx24116_readreg(state, CX24116_REG_SSTATUS) &
+ CX24116_STATUS_MASK;
dprintk("%s: status = 0x%02x\n", __func__, lock);
@@ -1430,6 +1431,23 @@ tuned: /* Set/Reset B/W */
return ret;
}
+static int cx24116_tune(struct dvb_frontend *fe, struct dvb_frontend_parameters *params,
+ unsigned int mode_flags, unsigned int *delay, fe_status_t *status)
+{
+ *delay = HZ / 5;
+ if (params) {
+ int ret = cx24116_set_frontend(fe, params);
+ if (ret)
+ return ret;
+ }
+ return cx24116_read_status(fe, status);
+}
+
+static int cx24116_get_algo(struct dvb_frontend *fe)
+{
+ return DVBFE_ALGO_HW;
+}
+
static struct dvb_frontend_ops cx24116_ops = {
.info = {
@@ -1461,6 +1479,8 @@ static struct dvb_frontend_ops cx24116_ops = {
.set_voltage = cx24116_set_voltage,
.diseqc_send_master_cmd = cx24116_send_diseqc_msg,
.diseqc_send_burst = cx24116_diseqc_send_burst,
+ .get_frontend_algo = cx24116_get_algo,
+ .tune = cx24116_tune,
.set_property = cx24116_set_property,
.get_property = cx24116_get_property,