From: Hartmut Hackmann <[email protected]>
o added preliminary support for tda827x tuners
o set parameters for drift compensation to 0
makes no sense for DVB-T but can prevent lock
Signed-off-by: Hartmut Hackmann <[email protected]>
Signed-off-by: Johannes Stezenbach <[email protected]>
drivers/media/dvb/frontends/tda1004x.c | 44 ++++++++++++++++++++++++++++++---
drivers/media/dvb/frontends/tda1004x.h | 4 +++
2 files changed, 44 insertions(+), 4 deletions(-)
Index: linux-2.6.12-git8/drivers/media/dvb/frontends/tda1004x.c
===================================================================
--- linux-2.6.12-git8.orig/drivers/media/dvb/frontends/tda1004x.c 2005-06-27 13:23:04.000000000 +0200
+++ linux-2.6.12-git8/drivers/media/dvb/frontends/tda1004x.c 2005-06-27 13:23:05.000000000 +0200
@@ -120,6 +120,8 @@ static int debug;
#define TDA10046H_GPIO_OUT_SEL 0x41
#define TDA10046H_GPIO_SELECT 0x42
#define TDA10046H_AGC_CONF 0x43
+#define TDA10046H_AGC_THR 0x44
+#define TDA10046H_AGC_RENORM 0x45
#define TDA10046H_AGC_GAINS 0x46
#define TDA10046H_AGC_TUN_MIN 0x47
#define TDA10046H_AGC_TUN_MAX 0x48
@@ -272,14 +274,26 @@ static int tda10046h_set_bandwidth(struc
switch (bandwidth) {
case BANDWIDTH_6_MHZ:
tda1004x_write_buf(state, TDA10046H_TIME_WREF1, bandwidth_6mhz, sizeof(bandwidth_6mhz));
+ if (state->config->if_freq == TDA10046_FREQ_045) {
+ tda1004x_write_byteI(state, TDA10046H_FREQ_PHY2_MSB, 0x09);
+ tda1004x_write_byteI(state, TDA10046H_FREQ_PHY2_LSB, 0x4f);
+ }
break;
case BANDWIDTH_7_MHZ:
tda1004x_write_buf(state, TDA10046H_TIME_WREF1, bandwidth_7mhz, sizeof(bandwidth_7mhz));
+ if (state->config->if_freq == TDA10046_FREQ_045) {
+ tda1004x_write_byteI(state, TDA10046H_FREQ_PHY2_MSB, 0x0a);
+ tda1004x_write_byteI(state, TDA10046H_FREQ_PHY2_LSB, 0x79);
+ }
break;
case BANDWIDTH_8_MHZ:
tda1004x_write_buf(state, TDA10046H_TIME_WREF1, bandwidth_8mhz, sizeof(bandwidth_8mhz));
+ if (state->config->if_freq == TDA10046_FREQ_045) {
+ tda1004x_write_byteI(state, TDA10046H_FREQ_PHY2_MSB, 0x0b);
+ tda1004x_write_byteI(state, TDA10046H_FREQ_PHY2_LSB, 0xa3);
+ }
break;
default:
@@ -420,6 +434,14 @@ static void tda10046_init_plls(struct dv
tda1004x_write_byteI(state, TDA10046H_FREQ_PHY2_MSB, 0xd4);
tda1004x_write_byteI(state, TDA10046H_FREQ_PHY2_LSB, 0x13);
break;
+ case TDA10046_FREQ_045:
+ tda1004x_write_byteI(state, TDA10046H_FREQ_PHY2_MSB, 0x0b);
+ tda1004x_write_byteI(state, TDA10046H_FREQ_PHY2_LSB, 0xa3);
+ break;
+ case TDA10046_FREQ_052:
+ tda1004x_write_byteI(state, TDA10046H_FREQ_PHY2_MSB, 0x0c);
+ tda1004x_write_byteI(state, TDA10046H_FREQ_PHY2_LSB, 0x06);
+ break;
}
tda10046h_set_bandwidth(state, BANDWIDTH_8_MHZ); // default bandwidth 8 MHz
}
@@ -590,6 +612,16 @@ static int tda10046_init(struct dvb_fron
tda1004x_write_byteI(state, TDA10046H_AGC_CONF, 0x0a); // AGC setup
tda1004x_write_byteI(state, TDA10046H_CONF_POLARITY, 0x60); // set AGC polarities
break;
+ case TDA10046_AGC_IFO_AUTO_POS:
+ tda1004x_write_byteI(state, TDA10046H_AGC_CONF, 0x0a); // AGC setup
+ tda1004x_write_byteI(state, TDA10046H_CONF_POLARITY, 0x00); // set AGC polarities
+ break;
+ case TDA10046_AGC_TDA827X:
+ tda1004x_write_byteI(state, TDA10046H_AGC_CONF, 0x02); // AGC setup
+ tda1004x_write_byteI(state, TDA10046H_AGC_THR, 0x70); // AGC Threshold
+ tda1004x_write_byteI(state, TDA10046H_AGC_RENORM, 0x0E); // Gain Renormalize
+ tda1004x_write_byteI(state, TDA10046H_CONF_POLARITY, 0x60); // set AGC polarities
+ break;
}
tda1004x_write_byteI(state, TDA10046H_CONF_TRISTATE1, 0x61); // Turn both AGC outputs on
tda1004x_write_byteI(state, TDA10046H_AGC_TUN_MIN, 0); // }
@@ -1091,9 +1123,12 @@ static int tda1004x_sleep(struct dvb_fro
break;
case TDA1004X_DEMOD_TDA10046:
- tda1004x_write_mask(state, TDA1004X_CONFC4, 1, 1);
- if (state->config->pll_sleep != NULL)
+ if (state->config->pll_sleep != NULL) {
+ tda1004x_enable_tuner_i2c(state);
state->config->pll_sleep(fe);
+ tda1004x_disable_tuner_i2c(state);
+ }
+ tda1004x_write_mask(state, TDA1004X_CONFC4, 1, 1);
break;
}
state->initialised = 0;
@@ -1104,8 +1139,9 @@ static int tda1004x_sleep(struct dvb_fro
static int tda1004x_get_tune_settings(struct dvb_frontend* fe, struct dvb_frontend_tune_settings* fesettings)
{
fesettings->min_delay_ms = 800;
- fesettings->step_size = 166667;
- fesettings->max_drift = 166667*2;
+ /* Drift compensation makes no sense for DVB-T */
+ fesettings->step_size = 0;
+ fesettings->max_drift = 0;
return 0;
}
Index: linux-2.6.12-git8/drivers/media/dvb/frontends/tda1004x.h
===================================================================
--- linux-2.6.12-git8.orig/drivers/media/dvb/frontends/tda1004x.h 2005-06-27 13:23:02.000000000 +0200
+++ linux-2.6.12-git8/drivers/media/dvb/frontends/tda1004x.h 2005-06-27 13:23:05.000000000 +0200
@@ -34,11 +34,15 @@ enum tda10046_xtal {
enum tda10046_agc {
TDA10046_AGC_DEFAULT, /* original configuration */
TDA10046_AGC_IFO_AUTO_NEG, /* IF AGC only, automatic, negtive */
+ TDA10046_AGC_IFO_AUTO_POS, /* IF AGC only, automatic, positive */
+ TDA10046_AGC_TDA827X, /* IF AGC only, special setup for tda827x */
};
enum tda10046_if {
TDA10046_FREQ_3617, /* original config, 36,166 MHZ */
TDA10046_FREQ_3613, /* 36,13 MHZ */
+ TDA10046_FREQ_045, /* low IF, 4.0, 4.5, or 5.0 MHZ */
+ TDA10046_FREQ_052, /* low IF, 5.1667 MHZ for tda9889 */
};
struct tda1004x_config
--
-
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