[media] dib7000p/dib0090: update the driver

This patch intends to update the dib7000p and dib0090 driver in order to improve the performances. Signed-off-by: Olivier Grenie <olivier.grenie@dibcom.fr> Signed-off-by: Patrick Boettcher <patrick.boettcher@dibcom.fr> Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>
git-mirror · Nov 24, 2011 · 2e80286 · 2e80286
1 parent dd7aaa4
commit 2e80286
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Showing 5 changed files with 197 additions and 159 deletions.
diff --git a/drivers/media/dvb/dvb-usb/dib0700_devices.c b/drivers/media/dvb/dvb-usb/dib0700_devices.c
@@ -2092,6 +2092,14 @@ static int dib7090_agc_startup(struct dvb_frontend *fe, struct dvb_frontend_para
 	return 0;
 }
 
+static int dib7090_agc_restart(struct dvb_frontend *fe, u8 restart)
+{
+	deb_info("AGC restart callback: %d", restart);
+	if (restart == 0) /* before AGC startup */
+		dib0090_set_dc_servo(fe, 1);
+	return 0;
+}
+
 static struct dib0090_wbd_slope dib7090_wbd_table[] = {
 	{ 380,   81, 850, 64, 540,  4},
 	{ 860,   51, 866, 21,  375, 4},

diff --git a/drivers/media/dvb/frontends/dib0090.c b/drivers/media/dvb/frontends/dib0090.c
@@ -1112,13 +1112,21 @@ void dib0090_pwm_gain_reset(struct dvb_frontend *fe)
 		else
 			dib0090_write_reg(state, 0x32, (0 << 11));
 
-		dib0090_write_reg(state, 0x04, 0x01);
+		dib0090_write_reg(state, 0x04, 0x03);
 		dib0090_write_reg(state, 0x39, (1 << 10));
 	}
 }
 
 EXPORT_SYMBOL(dib0090_pwm_gain_reset);
 
+void dib0090_set_dc_servo(struct dvb_frontend *fe, u8 DC_servo_cutoff)
+{
+	struct dib0090_state *state = fe->tuner_priv;
+	if (DC_servo_cutoff < 4)
+		dib0090_write_reg(state, 0x04, DC_servo_cutoff);
+}
+EXPORT_SYMBOL(dib0090_set_dc_servo);
+
 static u32 dib0090_get_slow_adc_val(struct dib0090_state *state)
 {
 	u16 adc_val = dib0090_read_reg(state, 0x1d);
@@ -1505,7 +1513,10 @@ static int dib0090_reset(struct dvb_frontend *fe)
 		dib0090_set_EFUSE(state);
 
 	/* Congigure in function of the crystal */
-	if (state->config->io.clock_khz >= 24000)
+	if (state->config->force_crystal_mode != 0)
+		dib0090_write_reg(state, 0x14,
+				state->config->force_crystal_mode & 3);
+	else if (state->config->io.clock_khz >= 24000)
 		dib0090_write_reg(state, 0x14, 1);
 	else
 		dib0090_write_reg(state, 0x14, 2);

diff --git a/drivers/media/dvb/frontends/dib0090.h b/drivers/media/dvb/frontends/dib0090.h
@@ -71,6 +71,8 @@ struct dib0090_config {
 	u8 fref_clock_ratio;
 	u16 force_cband_input;
 	struct dib0090_wbd_slope *wbd;
+	u8 is_dib7090e;
+	u8 force_crystal_mode;
 };
 
 #if defined(CONFIG_DVB_TUNER_DIB0090) || (defined(CONFIG_DVB_TUNER_DIB0090_MODULE) && defined(MODULE))
@@ -83,6 +85,7 @@ extern int dib0090_gain_control(struct dvb_frontend *fe);
 extern enum frontend_tune_state dib0090_get_tune_state(struct dvb_frontend *fe);
 extern int dib0090_set_tune_state(struct dvb_frontend *fe, enum frontend_tune_state tune_state);
 extern void dib0090_get_current_gain(struct dvb_frontend *fe, u16 * rf, u16 * bb, u16 * rf_gain_limit, u16 * rflt);
+extern void dib0090_set_dc_servo(struct dvb_frontend *fe, u8 DC_servo_cutoff);
 #else
 static inline struct dvb_frontend *dib0090_register(struct dvb_frontend *fe, struct i2c_adapter *i2c, struct dib0090_config *config)
 {
@@ -134,6 +137,11 @@ static inline void dib0090_get_current_gain(struct dvb_frontend *fe, u16 * rf, u
 {
 	printk(KERN_WARNING "%s: driver disabled by Kconfig\n", __func__);
 }
+
+static inline void dib0090_set_dc_servo(struct dvb_frontend *fe, u8 DC_servo_cutoff)
+{
+	printk(KERN_WARNING "%s: driver disabled by Kconfig\n", __func__);
+}
 #endif
 
 #endif