diff options
Diffstat (limited to 'drivers/media/dvb/dvb-usb/mxl111sf-tuner.c')
| -rw-r--r-- | drivers/media/dvb/dvb-usb/mxl111sf-tuner.c | 102 |
1 files changed, 75 insertions, 27 deletions
diff --git a/drivers/media/dvb/dvb-usb/mxl111sf-tuner.c b/drivers/media/dvb/dvb-usb/mxl111sf-tuner.c index a6341058c4e7..72db6eef4b9c 100644 --- a/drivers/media/dvb/dvb-usb/mxl111sf-tuner.c +++ b/drivers/media/dvb/dvb-usb/mxl111sf-tuner.c @@ -38,6 +38,8 @@ struct mxl111sf_tuner_state { struct mxl111sf_tuner_config *cfg; + enum mxl_if_freq if_freq; + u32 frequency; u32 bandwidth; }; @@ -186,7 +188,10 @@ static int mxl1x1sf_tuner_set_if_output_freq(struct mxl111sf_tuner_state *state) ctrl = iffcw & 0x00ff; #endif ret = mxl111sf_tuner_write_reg(state, V6_TUNER_IF_FCW_REG, ctrl); - mxl_fail(ret); + if (mxl_fail(ret)) + goto fail; + + state->if_freq = state->cfg->if_freq; fail: return ret; } @@ -267,55 +272,49 @@ static int mxl1x1sf_tuner_loop_thru_ctrl(struct mxl111sf_tuner_state *state, /* ------------------------------------------------------------------------ */ -static int mxl111sf_tuner_set_params(struct dvb_frontend *fe, - struct dvb_frontend_parameters *params) +static int mxl111sf_tuner_set_params(struct dvb_frontend *fe) { + struct dtv_frontend_properties *c = &fe->dtv_property_cache; + u32 delsys = c->delivery_system; struct mxl111sf_tuner_state *state = fe->tuner_priv; int ret; u8 bw; mxl_dbg("()"); - if (fe->ops.info.type == FE_ATSC) { - switch (params->u.vsb.modulation) { - case VSB_8: - case VSB_16: - bw = 0; /* ATSC */ - break; - case QAM_64: - case QAM_256: - bw = 1; /* US CABLE */ - break; - default: - err("%s: modulation not set!", __func__); - return -EINVAL; - } - } else if (fe->ops.info.type == FE_OFDM) { - switch (params->u.ofdm.bandwidth) { - case BANDWIDTH_6_MHZ: + switch (delsys) { + case SYS_ATSC: + bw = 0; /* ATSC */ + break; + case SYS_DVBC_ANNEX_B: + bw = 1; /* US CABLE */ + break; + case SYS_DVBT: + switch (c->bandwidth_hz) { + case 6000000: bw = 6; break; - case BANDWIDTH_7_MHZ: + case 7000000: bw = 7; break; - case BANDWIDTH_8_MHZ: + case 8000000: bw = 8; break; default: err("%s: bandwidth not set!", __func__); return -EINVAL; } - } else { + break; + default: err("%s: modulation type not supported!", __func__); return -EINVAL; } - ret = mxl1x1sf_tune_rf(fe, params->frequency, bw); + ret = mxl1x1sf_tune_rf(fe, c->frequency, bw); if (mxl_fail(ret)) goto fail; - state->frequency = params->frequency; - state->bandwidth = (fe->ops.info.type == FE_OFDM) ? - params->u.ofdm.bandwidth : 0; + state->frequency = c->frequency; + state->bandwidth = c->bandwidth_hz; fail: return ret; } @@ -407,6 +406,54 @@ static int mxl111sf_tuner_get_bandwidth(struct dvb_frontend *fe, u32 *bandwidth) return 0; } +static int mxl111sf_tuner_get_if_frequency(struct dvb_frontend *fe, + u32 *frequency) +{ + struct mxl111sf_tuner_state *state = fe->tuner_priv; + + *frequency = 0; + + switch (state->if_freq) { + case MXL_IF_4_0: /* 4.0 MHz */ + *frequency = 4000000; + break; + case MXL_IF_4_5: /* 4.5 MHz */ + *frequency = 4500000; + break; + case MXL_IF_4_57: /* 4.57 MHz */ + *frequency = 4570000; + break; + case MXL_IF_5_0: /* 5.0 MHz */ + *frequency = 5000000; + break; + case MXL_IF_5_38: /* 5.38 MHz */ + *frequency = 5380000; + break; + case MXL_IF_6_0: /* 6.0 MHz */ + *frequency = 6000000; + break; + case MXL_IF_6_28: /* 6.28 MHz */ + *frequency = 6280000; + break; + case MXL_IF_7_2: /* 7.2 MHz */ + *frequency = 7200000; + break; + case MXL_IF_35_25: /* 35.25 MHz */ + *frequency = 35250000; + break; + case MXL_IF_36: /* 36 MHz */ + *frequency = 36000000; + break; + case MXL_IF_36_15: /* 36.15 MHz */ + *frequency = 36150000; + break; + case MXL_IF_44: /* 44 MHz */ + *frequency = 44000000; + break; + } + return 0; +} + static int mxl111sf_tuner_release(struct dvb_frontend *fe) { struct mxl111sf_tuner_state *state = fe->tuner_priv; @@ -436,6 +483,7 @@ static struct dvb_tuner_ops mxl111sf_tuner_tuner_ops = { .get_rf_strength = mxl111sf_get_rf_strength, .get_frequency = mxl111sf_tuner_get_frequency, .get_bandwidth = mxl111sf_tuner_get_bandwidth, + .get_if_frequency = mxl111sf_tuner_get_if_frequency, .release = mxl111sf_tuner_release, }; |