V4L/DVB (3858): Convert tda1004x to refactored tuner code

Convert to tuner_ops calls.
Remove pll function pointers from structure.
Remove unneeded tuner calls.
Add i2c gate control function.
Remove europa specific hack (moved into appropriate card driver)
Signed-off-by: Andrew de Quincey <adq_dvb@lidskialf.net>
Signed-off-by: Mauro Carvalho Chehab <mchehab@infradead.org>

drivers/media/dvb/frontends/tda1004x.c

@@ -600,13 +600,6 @@ static int tda10045_init(struct dvb_frontend* fe)
 
 	tda1004x_write_mask(state, TDA1004X_CONFADC1, 0x10, 0); // wake up the ADC
 
-	// Init the PLL
-	if (state->config->pll_init) {
-		tda1004x_enable_tuner_i2c(state);
-		state->config->pll_init(fe);
-		tda1004x_disable_tuner_i2c(state);
-	}
-
 	// tda setup
 	tda1004x_write_mask(state, TDA1004X_CONFC4, 0x20, 0); // disable DSP watchdog timer
 	tda1004x_write_mask(state, TDA1004X_AUTO, 8, 0); // select HP stream
@@ -635,16 +628,6 @@ static int tda10046_init(struct dvb_frontend* fe)
 			return -EIO;
 	}
 
-	// Init the tuner PLL
-	if (state->config->pll_init) {
-		tda1004x_enable_tuner_i2c(state);
-		if (state->config->pll_init(fe)) {
-			printk(KERN_ERR "tda1004x: pll init failed\n");
-			return 	-EIO;
-		}
-		tda1004x_disable_tuner_i2c(state);
-	}
-
 	// tda setup
 	tda1004x_write_mask(state, TDA1004X_CONFC4, 0x20, 0); // disable DSP watchdog timer
 	tda1004x_write_byteI(state, TDA1004X_AUTO, 0x87);    // 100 ppm crystal, select HP stream
@@ -712,12 +695,10 @@ static int tda1004x_set_fe(struct dvb_frontend* fe,
 	}
 
 	// set frequency
-	tda1004x_enable_tuner_i2c(state);
-	if (state->config->pll_set(fe, fe_params)) {
-		printk(KERN_ERR "tda1004x: pll set failed\n");
-		return 	-EIO;
+	if (fe->ops->tuner_ops.set_params) {
+		fe->ops->tuner_ops.set_params(fe, fe_params);
+		if (fe->ops->i2c_gate_ctrl) fe->ops->i2c_gate_ctrl(fe, 0);
 	}
-	tda1004x_disable_tuner_i2c(state);
 
 	// Hardcoded to use auto as much as possible on the TDA10045 as it
 	// is very unreliable if AUTO mode is _not_ used.
@@ -1183,16 +1164,6 @@ static int tda1004x_sleep(struct dvb_frontend* fe)
 		break;
 
 	case TDA1004X_DEMOD_TDA10046:
-		if (state->config->pll_sleep != NULL) {
-			tda1004x_enable_tuner_i2c(state);
-			state->config->pll_sleep(fe);
-			if (state->config->if_freq != TDA10046_FREQ_052) {
-				/* special hack for Philips EUROPA Based boards:
-				 * keep the I2c bridge open for tuner access in analog mode
-				 */
-				tda1004x_disable_tuner_i2c(state);
-			}
-		}
 		/* set outputs to tristate */
 		tda1004x_write_byteI(state, TDA10046H_CONF_TRISTATE1, 0xff);
 		tda1004x_write_mask(state, TDA1004X_CONFC4, 1, 1);
@@ -1202,6 +1173,17 @@ static int tda1004x_sleep(struct dvb_frontend* fe)
 	return 0;
 }
 
+static int tda1004x_i2c_gate_ctrl(struct dvb_frontend* fe, int enable)
+{
+	struct tda1004x_state* state = fe->demodulator_priv;
+
+	if (enable) {
+		return tda1004x_enable_tuner_i2c(state);
+	} else {
+		return tda1004x_disable_tuner_i2c(state);
+	}
+}
+
 static int tda1004x_get_tune_settings(struct dvb_frontend* fe, struct dvb_frontend_tune_settings* fesettings)
 {
 	fesettings->min_delay_ms = 800;
@@ -1235,6 +1217,7 @@ static struct dvb_frontend_ops tda10045_ops = {
 
 	.init = tda10045_init,
 	.sleep = tda1004x_sleep,
+	.i2c_gate_ctrl = tda1004x_i2c_gate_ctrl,
 
 	.set_frontend = tda1004x_set_fe,
 	.get_frontend = tda1004x_get_fe,

drivers/media/dvb/frontends/tda1004x.h

@@ -66,11 +66,6 @@ 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);