[media] af9035: add Avermedia Volar HD (A867R) support
Support of AVerMedia AVerTV HD Volar, with tuner MxL5007t.
Signed-off-by: Hans-Frieder Vogt <hfvogt@gmx.net>
Signed-off-by: Antti Palosaari <crope@iki.fi>
Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>
diff --git a/drivers/media/dvb/frontends/af9033.c b/drivers/media/dvb/frontends/af9033.c
index 9eedf93..8c0f4a3 100644
--- a/drivers/media/dvb/frontends/af9033.c
+++ b/drivers/media/dvb/frontends/af9033.c
@@ -301,6 +301,10 @@
len = ARRAY_SIZE(tuner_init_fc0011);
init = tuner_init_fc0011;
break;
+ case AF9033_TUNER_MXL5007T:
+ len = ARRAY_SIZE(tuner_init_mxl5007t);
+ init = tuner_init_mxl5007t;
+ break;
default:
pr_debug("%s: unsupported tuner ID=%d\n", __func__,
state->cfg.tuner);
@@ -391,9 +395,9 @@
{
struct af9033_state *state = fe->demodulator_priv;
struct dtv_frontend_properties *c = &fe->dtv_property_cache;
- int ret, i;
+ int ret, i, spec_inv;
u8 tmp, buf[3], bandwidth_reg_val;
- u32 if_frequency, freq_cw;
+ u32 if_frequency, freq_cw, adc_freq;
pr_debug("%s: frequency=%d bandwidth_hz=%d\n", __func__, c->frequency,
c->bandwidth_hz);
@@ -433,22 +437,41 @@
/* program frequency control */
if (c->bandwidth_hz != state->bandwidth_hz) {
+ spec_inv = state->cfg.spec_inv ? -1 : 1;
+
+ for (i = 0; i < ARRAY_SIZE(clock_adc_lut); i++) {
+ if (clock_adc_lut[i].clock == state->cfg.clock)
+ break;
+ }
+ adc_freq = clock_adc_lut[i].adc;
+
/* get used IF frequency */
if (fe->ops.tuner_ops.get_if_frequency)
fe->ops.tuner_ops.get_if_frequency(fe, &if_frequency);
else
if_frequency = 0;
- /* FIXME: we support only Zero-IF currently */
- if (if_frequency != 0) {
- pr_debug("%s: only Zero-IF supported currently\n",
- __func__);
+ while (if_frequency > (adc_freq / 2))
+ if_frequency -= adc_freq;
- ret = -ENODEV;
+ if (if_frequency >= 0)
+ spec_inv *= -1;
+ else
+ if_frequency *= -1;
+
+ freq_cw = af9033_div(if_frequency, adc_freq, 23ul);
+
+ if (spec_inv == -1)
+ freq_cw *= -1;
+
+ /* get adc multiplies */
+ ret = af9033_rd_reg(state, 0x800045, &tmp);
+ if (ret < 0)
goto err;
- }
- freq_cw = 0;
+ if (tmp == 1)
+ freq_cw /= 2;
+
buf[0] = (freq_cw >> 0) & 0xff;
buf[1] = (freq_cw >> 8) & 0xff;
buf[2] = (freq_cw >> 16) & 0x7f;