V4L/DVB (7912): TDA10023: make few parameters configurable

- separate TDA10021 and TDA10023 attach
- configurable Xtal settings
- configurable input freq offset + baseband conversion type settings

Signed-off-by: Antti Palosaari <crope@iki.fi>
Signed-off-by: Mauro Carvalho Chehab <mchehab@infradead.org>
diff --git a/drivers/media/dvb/frontends/tda1002x.h b/drivers/media/dvb/frontends/tda1002x.h
index 1bcc0d4..4522b7ef 100644
--- a/drivers/media/dvb/frontends/tda1002x.h
+++ b/drivers/media/dvb/frontends/tda1002x.h
@@ -26,13 +26,27 @@
 
 #include <linux/dvb/frontend.h>
 
-struct tda1002x_config
-{
+struct tda1002x_config {
 	/* the demodulator's i2c address */
 	u8 demod_address;
 	u8 invert;
 };
 
+struct tda10023_config {
+	/* the demodulator's i2c address */
+	u8 demod_address;
+	u8 invert;
+
+	/* clock settings */
+	u32 xtal; /* defaults: 28920000 */
+	u8 pll_m; /* defaults: 8 */
+	u8 pll_p; /* defaults: 4 */
+	u8 pll_n; /* defaults: 1 */
+
+	/* input freq offset + baseband conversion type */
+	u16 deltaf;
+};
+
 #if defined(CONFIG_DVB_TDA10021) || (defined(CONFIG_DVB_TDA10021_MODULE) && defined(MODULE))
 extern struct dvb_frontend* tda10021_attach(const struct tda1002x_config* config,
 					    struct i2c_adapter* i2c, u8 pwm);
@@ -45,12 +59,15 @@
 }
 #endif // CONFIG_DVB_TDA10021
 
-#if defined(CONFIG_DVB_TDA10023) || (defined(CONFIG_DVB_TDA10023_MODULE) && defined(MODULE))
-extern struct dvb_frontend* tda10023_attach(const struct tda1002x_config* config,
-					    struct i2c_adapter* i2c, u8 pwm);
+#if defined(CONFIG_DVB_TDA10023) || \
+	(defined(CONFIG_DVB_TDA10023_MODULE) && defined(MODULE))
+extern struct dvb_frontend *tda10023_attach(
+	const struct tda10023_config *config,
+	struct i2c_adapter *i2c, u8 pwm);
 #else
-static inline struct dvb_frontend* tda10023_attach(const struct tda1002x_config* config,
-					    struct i2c_adapter* i2c, u8 pwm)
+static inline struct dvb_frontend *tda10023_attach(
+	const struct tda1002x_config *config,
+	struct i2c_adapter *i2c, u8 pwm)
 {
 	printk(KERN_WARNING "%s: driver disabled by Kconfig\n", __func__);
 	return NULL;