diff options
| -rw-r--r-- | drivers/media/dvb/frontends/cx24116.c | 89 |
1 files changed, 68 insertions, 21 deletions
diff --git a/drivers/media/dvb/frontends/cx24116.c b/drivers/media/dvb/frontends/cx24116.c index 02ed4ef..808ef29 100644 --- a/drivers/media/dvb/frontends/cx24116.c +++ b/drivers/media/dvb/frontends/cx24116.c @@ -84,7 +84,8 @@ static int debug = 0; #define CX24116_ROLLOFF_035 (0x02) /* pilot bit */ -#define CX24116_PILOT (0x40) +#define CX24116_PILOT_OFF (0x00) +#define CX24116_PILOT_ON (0x40) /* signal status */ #define CX24116_HAS_SIGNAL (0x01) @@ -148,6 +149,7 @@ struct cx24116_tuning u8 fec_val; u8 fec_mask; u8 inversion_val; + u8 pilot_val; u8 rolloff_val; }; @@ -1121,25 +1123,62 @@ static int cx24116_set_frontend(struct dvb_frontend* fe, struct dvb_frontend_par struct dtv_frontend_properties *c = &fe->dtv_property_cache; struct cx24116_cmd cmd; fe_status_t tunerstat; - int i, status, ret, retune = 1; + int i, status, ret, retune; dprintk("%s()\n",__func__); - state->dnxt.modulation = c->modulation; - state->dnxt.frequency = c->frequency; - switch(c->delivery_system) { case SYS_DVBS: dprintk("%s: DVB-S delivery system selected\n",__func__); - state->dnxt.pilot = PILOT_OFF; + + /* Only QPSK is supported for DVB-S */ + if(c->modulation != QPSK) { + dprintk("%s: unsupported modulation selected (%d)\n", + __func__, c->modulation); + return -EOPNOTSUPP; + } + + /* Pilot doesn't exist in DVB-S, turn bit off */ + state->dnxt.pilot_val = CX24116_PILOT_OFF; + retune = 1; + + /* DVB-S only supports 0.35 */ + if(c->rolloff != ROLLOFF_35) { + dprintk("%s: unsupported rolloff selected (%d)\n", + __func__, c->rolloff); + return -EOPNOTSUPP; + } state->dnxt.rolloff_val = CX24116_ROLLOFF_035; - state->dnxt.rolloff = c->rolloff; break; + case SYS_DVBS2: dprintk("%s: DVB-S2 delivery system selected\n",__func__); - if(c->pilot == PILOT_AUTO) - retune++; - state->dnxt.pilot = c->pilot; + + /* + * NBC 8PSK/QPSK with DVB-S is supported for DVB-S2, + * but not hardware auto detection + */ + if(c->modulation != _8PSK && c->modulation != NBC_QPSK) { + dprintk("%s: unsupported modulation selected (%d)\n", + __func__, c->modulation); + return -EOPNOTSUPP; + } + + switch(c->pilot) { + case PILOT_AUTO: /* Not supported but emulated */ + retune = 2; /* Fall-through */ + case PILOT_OFF: + state->dnxt.pilot_val = CX24116_PILOT_OFF; + break; + case PILOT_ON: + state->dnxt.pilot_val = CX24116_PILOT_ON; + break; + default: + dprintk("%s: unsupported pilot mode selected (%d)\n", + __func__, c->pilot); + return -EOPNOTSUPP; + } + switch(c->rolloff) { case ROLLOFF_20: state->dnxt.rolloff_val= CX24116_ROLLOFF_020; @@ -1150,20 +1189,28 @@ static int cx24116_set_frontend(struct dvb_frontend* fe, struct dvb_frontend_par case ROLLOFF_35: state->dnxt.rolloff_val= CX24116_ROLLOFF_035; break; - case ROLLOFF_AUTO: + case ROLLOFF_AUTO: /* Rolloff must be explicit */ + default: + dprintk("%s: unsupported rolloff selected (%d)\n", + __func__, c->rolloff); return -EOPNOTSUPP; } - state->dnxt.rolloff = c->rolloff; break; + default: dprintk("%s: unsupported delivery system selected (%d)\n", __func__, c->delivery_system); return -EOPNOTSUPP; } + state->dnxt.modulation = c->modulation; + state->dnxt.frequency = c->frequency; + state->dnxt.pilot = c->pilot; + state->dnxt.rolloff = c->rolloff; if ((ret = cx24116_set_inversion(state, c->inversion)) != 0) return ret; + /* FEC_NONE/AUTO for DVB-S2 is not supported and detected here */ if ((ret = cx24116_set_fec(state, c->modulation, c->fec_inner)) != 0) return ret; @@ -1173,10 +1220,13 @@ static int cx24116_set_frontend(struct dvb_frontend* fe, struct dvb_frontend_par /* discard the 'current' tuning parameters and prepare to tune */ cx24116_clone_params(fe); - dprintk("%s: retune = %d\n", __func__, retune); - dprintk("%s: rolloff = %d\n", __func__, state->dcur.rolloff); - dprintk("%s: pilot = %d\n", __func__, state->dcur.pilot); + dprintk("%s: modulation = %d\n", __func__, state->dcur.modulation); dprintk("%s: frequency = %d\n", __func__, state->dcur.frequency); + dprintk("%s: pilot = %d (val = 0x%02x)\n", __func__, + state->dcur.pilot, state->dcur.pilot_val); + dprintk("%s: retune = %d\n", __func__, retune); + dprintk("%s: rolloff = %d (val = 0x%02x)\n", __func__, + state->dcur.rolloff, state->dcur.rolloff_val); dprintk("%s: symbol_rate = %d\n", __func__, state->dcur.symbol_rate); dprintk("%s: FEC = %d (mask/val = 0x%02x/0x%02x)\n", __func__, state->dcur.fec, state->dcur.fec_mask, state->dcur.fec_val); @@ -1210,11 +1260,8 @@ static int cx24116_set_frontend(struct dvb_frontend* fe, struct dvb_frontend_par /* Automatic Inversion */ cmd.args[0x06] = state->dcur.inversion_val; - /* Modulation / FEC & Pilot Off */ - cmd.args[0x07] = state->dcur.fec_val; - - if (state->dcur.pilot == PILOT_ON) - cmd.args[0x07] |= CX24116_PILOT; + /* Modulation / FEC / Pilot */ + cmd.args[0x07] = state->dcur.fec_val | state->dcur.pilot_val; cmd.args[0x08] = CX24116_SEARCH_RANGE_KHZ >> 8; cmd.args[0x09] = CX24116_SEARCH_RANGE_KHZ & 0xff; @@ -1277,7 +1324,7 @@ static int cx24116_set_frontend(struct dvb_frontend* fe, struct dvb_frontend_par /* Toggle pilot bit when in auto-pilot */ if(state->dcur.pilot == PILOT_AUTO) - cmd.args[0x07] ^= CX24116_PILOT; + cmd.args[0x07] ^= CX24116_PILOT_ON; } while(--retune); |