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path: root/drivers/media/dvb/dvb-usb/mxl111sf-tuner.c
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Diffstat (limited to 'drivers/media/dvb/dvb-usb/mxl111sf-tuner.c')
-rw-r--r--drivers/media/dvb/dvb-usb/mxl111sf-tuner.c102
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 a6341058c4e..72db6eef4b9 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,
};