[media] DiB0090: misc improvements

This patch adds several performance improvements and prepares the
usage of firmware-based devices.

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>

drivers/media/dvb/frontends/dib0090.h

@@ -27,6 +27,21 @@ struct dib0090_io_config {
 	u16 pll_int_loop_filt;
 };
 
+struct dib0090_wbd_slope {
+	u16 max_freq;		/* for every frequency less than or equal to that field: this information is correct */
+	u16 slope_cold;
+	u16 offset_cold;
+	u16 slope_hot;
+	u16 offset_hot;
+	u8 wbd_gain;
+};
+
+struct dib0090_low_if_offset_table {
+	int std;
+	u32 RF_freq;
+	s32 offset_khz;
+};
+
 struct dib0090_config {
 	struct dib0090_io_config io;
 	int (*reset) (struct dvb_frontend *, int);
@@ -47,10 +62,20 @@ struct dib0090_config {
 	u16 wbd_cband_offset;
 	u8 use_pwm_agc;
 	u8 clkoutdrive;
+
+	u8 ls_cfg_pad_drv;
+	u8 data_tx_drv;
+
+	u8 in_soc;
+	const struct dib0090_low_if_offset_table *low_if;
+	u8 fref_clock_ratio;
+	u16 force_cband_input;
+	struct dib0090_wbd_slope *wbd;
 };
 
 #if defined(CONFIG_DVB_TUNER_DIB0090) || (defined(CONFIG_DVB_TUNER_DIB0090_MODULE) && defined(MODULE))
 extern struct dvb_frontend *dib0090_register(struct dvb_frontend *fe, struct i2c_adapter *i2c, const struct dib0090_config *config);
+extern struct dvb_frontend *dib0090_fw_register(struct dvb_frontend *fe, struct i2c_adapter *i2c, const struct dib0090_config *config);
 extern void dib0090_dcc_freq(struct dvb_frontend *fe, u8 fast);
 extern void dib0090_pwm_gain_reset(struct dvb_frontend *fe);
 extern u16 dib0090_get_wbd_offset(struct dvb_frontend *tuner);
@@ -65,6 +90,12 @@ static inline struct dvb_frontend *dib0090_register(struct dvb_frontend *fe, str
 	return NULL;
 }
 
+static inline struct dvb_frontend *dib0090_fw_register(struct dvb_frontend *fe, struct i2c_adapter *i2c, struct dib0090_config *config)
+{
+	printk(KERN_WARNING "%s: driver disabled by Kconfig\n", __func__);
+	return NULL;
+}
+
 static inline void dib0090_dcc_freq(struct dvb_frontend *fe, u8 fast)
 {
 	printk(KERN_WARNING "%s: driver disabled by Kconfig\n", __func__);