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

[linux-2.6-omap-h63xx.git] / drivers / media / dvb / frontends / tda1004x.h

diff --git a/drivers/media/dvb/frontends/tda1004x.h b/drivers/media/dvb/frontends/tda1004x.h
index 8659c52647adf839139a7e1ae38e95071ff800a5..e28fca05734c30f9001549dce908e249442140fb 100644 (file)
--- a/drivers/media/dvb/frontends/tda1004x.h
+++ b/drivers/media/dvb/frontends/tda1004x.h
@@ -35,7 +35,8 @@ 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 */
+       TDA10046_AGC_TDA827X,           /* IF AGC only, special setup for tda827x */
+       TDA10046_AGC_TDA827X_GPL,       /* same as above, but GPIOs 0 */
 };
 
 enum tda10046_if {
@@ -65,22 +66,38 @@ struct tda1004x_config
        /* AGC configuration */
        enum tda10046_agc agc_config;
 
-       /* PLL maintenance */
-       int (*pll_init)(struct dvb_frontend* fe);
-       void (*pll_sleep)(struct dvb_frontend* fe);
-       int (*pll_set)(struct dvb_frontend* fe, struct dvb_frontend_parameters* params);
-
        /* request firmware for device */
        /* set this to NULL if the card has a firmware EEPROM */
        int (*request_firmware)(struct dvb_frontend* fe, const struct firmware **fw, char* name);
 };
 
+#if defined(CONFIG_DVB_TDA1004X) || defined(CONFIG_DVB_TDA1004X_MODULE)
 extern struct dvb_frontend* tda10045_attach(const struct tda1004x_config* config,
                                            struct i2c_adapter* i2c);
 
 extern struct dvb_frontend* tda10046_attach(const struct tda1004x_config* config,
                                            struct i2c_adapter* i2c);
-
-extern int tda1004x_write_byte(struct dvb_frontend* fe, int reg, int data);
+#else
+static inline struct dvb_frontend* tda10045_attach(const struct tda1004x_config* config,
+                                           struct i2c_adapter* i2c)
+{
+       printk(KERN_WARNING "%s: driver disabled by Kconfig\n", __FUNCTION__);
+       return NULL;
+}
+static inline struct dvb_frontend* tda10046_attach(const struct tda1004x_config* config,
+                                           struct i2c_adapter* i2c)
+{
+       printk(KERN_WARNING "%s: driver disabled by Kconfig\n", __FUNCTION__);
+       return NULL;
+}
+#endif // CONFIG_DVB_TDA1004X
+
+static inline int tda1004x_writereg(struct dvb_frontend *fe, u8 reg, u8 val) {
+       int r = 0;
+       u8 buf[] = {reg, val};
+       if (fe->ops.write)
+               r = fe->ops.write(fe, buf, 2);
+       return r;
+}
 
 #endif // TDA1004X_H