V4L/DVB (4477): Improve hardware algorithm by setting the appropriate registers

[linux-2.6-omap-h63xx.git] / drivers / media / dvb / frontends / lgdt330x.h

diff --git a/drivers/media/dvb/frontends/lgdt330x.h b/drivers/media/dvb/frontends/lgdt330x.h
index 04986f8e7565a1d56a7e8405f456f191e316fc1a..3f96b485584c663ce68deac95b0e32970aa83689 100644 (file)
--- a/drivers/media/dvb/frontends/lgdt330x.h
+++ b/drivers/media/dvb/frontends/lgdt330x.h
@@ -1,5 +1,5 @@
 /*
- *    Support for LGDT3302 & LGDT3303 (DViCO FustionHDTV Gold) - VSB/QAM
+ *    Support for LGDT3302 and LGDT3303 - VSB/QAM
  *
  *    Copyright (C) 2005 Wilson Michaels <wilsonmichaels@earthlink.net>
  *
@@ -24,21 +24,45 @@
 
 #include <linux/dvb/frontend.h>
 
+typedef enum lg_chip_t {
+               UNDEFINED,
+               LGDT3302,
+               LGDT3303
+}lg_chip_type;
+
 struct lgdt330x_config
 {
        /* The demodulator's i2c address */
        u8 demod_address;
 
+       /* LG demodulator chip LGDT3302 or LGDT3303 */
+       lg_chip_type demod_chip;
+
+       /* MPEG hardware interface - 0:parallel 1:serial */
+       int serial_mpeg;
+
        /* PLL interface */
        int (*pll_rf_set) (struct dvb_frontend* fe, int index);
-       int (*pll_set)(struct dvb_frontend* fe, struct dvb_frontend_parameters* params, u8* pll_address);
 
        /* Need to set device param for start_dma */
        int (*set_ts_params)(struct dvb_frontend* fe, int is_punctured);
+
+       /* Flip the polarity of the mpeg data transfer clock using alternate init data
+        * This option applies ONLY to LGDT3303 - 0:disabled (default) 1:enabled */
+       int clock_polarity_flip;
 };
 
+#if defined(CONFIG_DVB_LGDT330X) || defined(CONFIG_DVB_LGDT330X_MODULE)
 extern struct dvb_frontend* lgdt330x_attach(const struct lgdt330x_config* config,
                                            struct i2c_adapter* i2c);
+#else
+static inline struct dvb_frontend* lgdt330x_attach(const struct lgdt330x_config* config,
+                                           struct i2c_adapter* i2c)
+{
+       printk(KERN_WARNING "%s: driver disabled by Kconfig\n", __FUNCTION__);
+       return NULL;
+}
+#endif // CONFIG_DVB_LGDT330X
 
 #endif /* LGDT330X_H */