V4L/DVB (9049): convert tuner drivers to use dvb_frontend->callback

Signed-off-by: Michael Krufky <mkrufky@linuxtv.org>
Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>

8 files changed, 32 insertions, 39 deletions

diff --git a/drivers/media/common/tuners/tda827x.c b/drivers/media/common/tuners/tda827x.c
index 8555d9cf9051..4a74f65e759a 100644
--- a/drivers/media/common/tuners/tda827x.c
+++ b/drivers/media/common/tuners/tda827x.c
@@ -447,17 +447,19 @@ static void tda827xa_lna_gain(struct dvb_frontend *fe, int high,
 			else
 				arg = 0;
 		}
-		if (priv->cfg->tuner_callback)
-			priv->cfg->tuner_callback(priv->i2c_adap->algo_data,
-								gp_func, arg);
+		if (fe->callback)
+			fe->callback(priv->i2c_adap->algo_data,
+				     DVB_FRONTEND_COMPONENT_TUNER,
+				     gp_func, arg);
 		buf[1] = high ? 0 : 1;
 		if (priv->cfg->config == 2)
 			buf[1] = high ? 1 : 0;
 		i2c_transfer(priv->i2c_adap, &msg, 1);
 		break;
 	case 3: /* switch with GPIO of saa713x */
-		if (priv->cfg->tuner_callback)
-			priv->cfg->tuner_callback(priv->i2c_adap->algo_data, 0, high);
+		if (fe->callback)
+			fe->callback(priv->i2c_adap->algo_data,
+				     DVB_FRONTEND_COMPONENT_TUNER, 0, high);
 		break;
 	}
 }
diff --git a/drivers/media/common/tuners/tda827x.h b/drivers/media/common/tuners/tda827x.h
index 7850a9a1dc8f..7d72ce0a0c2d 100644
--- a/drivers/media/common/tuners/tda827x.h
+++ b/drivers/media/common/tuners/tda827x.h
@@ -36,7 +36,6 @@ struct tda827x_config
 	/* interface to tda829x driver */
 	unsigned int config;
 	int 	     switch_addr;
-	int (*tuner_callback) (void *dev, int command, int arg);
 
 	void (*agcf)(struct dvb_frontend *fe);
 };
diff --git a/drivers/media/common/tuners/tda8290.c b/drivers/media/common/tuners/tda8290.c
index 91204d3f282d..c112bdd4e0f0 100644
--- a/drivers/media/common/tuners/tda8290.c
+++ b/drivers/media/common/tuners/tda8290.c
@@ -672,10 +672,8 @@ struct dvb_frontend *tda829x_attach(struct dvb_frontend *fe,
 	priv->i2c_props.addr     = i2c_addr;
 	priv->i2c_props.adap     = i2c_adap;
 	priv->i2c_props.name     = "tda829x";
-	if (cfg) {
+	if (cfg)
 		priv->cfg.config         = cfg->lna_cfg;
-		priv->cfg.tuner_callback = cfg->tuner_callback;
-	}
 
 	if (tda8290_probe(&priv->i2c_props) == 0) {
 		priv->ver = TDA8290;
diff --git a/drivers/media/common/tuners/tda8290.h b/drivers/media/common/tuners/tda8290.h
index aa074f3f0c07..7e288b26fcc3 100644
--- a/drivers/media/common/tuners/tda8290.h
+++ b/drivers/media/common/tuners/tda8290.h
@@ -22,7 +22,6 @@
 
 struct tda829x_config {
 	unsigned int lna_cfg;
-	int (*tuner_callback) (void *dev, int command, int arg);
 
 	unsigned int probe_tuner:1;
 #define TDA829X_PROBE_TUNER 0
diff --git a/drivers/media/common/tuners/tuner-xc2028.c b/drivers/media/common/tuners/tuner-xc2028.c
index 4dd1d2421cc5..fc82d154c8c2 100644
--- a/drivers/media/common/tuners/tuner-xc2028.c
+++ b/drivers/media/common/tuners/tuner-xc2028.c
@@ -71,9 +71,6 @@ struct firmware_properties {
 struct xc2028_data {
 	struct list_head        hybrid_tuner_instance_list;
 	struct tuner_i2c_props  i2c_props;
-	int                     (*tuner_callback) (void *dev,
-						   int command, int arg);
-	void			*video_dev;
 	__u32			frequency;
 
 	struct firmware_description *firm;
@@ -492,6 +489,23 @@ ret:
 	return i;
 }
 
+static inline int do_tuner_callback(struct dvb_frontend *fe, int cmd, int arg)
+{
+	struct xc2028_data *priv = fe->tuner_priv;
+
+	/* analog side (tuner-core) uses i2c_adap->algo_data.
+	 * digital side is not guaranteed to have algo_data defined.
+	 *
+	 * digital side will always have fe->dvb defined.
+	 * analog side (tuner-core) doesn't (yet) define fe->dvb.
+	 */
+
+	return (!fe->callback) ? -EINVAL :
+		fe->callback(((fe->dvb) && (fe->dvb->priv)) ?
+				fe->dvb->priv : priv->i2c_props.adap->algo_data,
+			     DVB_FRONTEND_COMPONENT_TUNER, cmd, arg);
+}
+
 static int load_firmware(struct dvb_frontend *fe, unsigned int type,
 			 v4l2_std_id *id)
 {
@@ -530,8 +544,7 @@ static int load_firmware(struct dvb_frontend *fe, unsigned int type,
 
 		if (!size) {
 			/* Special callback command received */
-			rc = priv->tuner_callback(priv->video_dev,
-						  XC2028_TUNER_RESET, 0);
+			rc = do_tuner_callback(fe, XC2028_TUNER_RESET, 0);
 			if (rc < 0) {
 				tuner_err("Error at RESET code %d\n",
 					   (*p) & 0x7f);
@@ -542,8 +555,7 @@ static int load_firmware(struct dvb_frontend *fe, unsigned int type,
 		if (size >= 0xff00) {
 			switch (size) {
 			case 0xff00:
-				rc = priv->tuner_callback(priv->video_dev,
-							XC2028_RESET_CLK, 0);
+				rc = do_tuner_callback(fe, XC2028_RESET_CLK, 0);
 				if (rc < 0) {
 					tuner_err("Error at RESET code %d\n",
 						  (*p) & 0x7f);
@@ -715,8 +727,7 @@ retry:
 	memset(&priv->cur_fw, 0, sizeof(priv->cur_fw));
 
 	/* Reset is needed before loading firmware */
-	rc = priv->tuner_callback(priv->video_dev,
-				  XC2028_TUNER_RESET, 0);
+	rc = do_tuner_callback(fe, XC2028_TUNER_RESET, 0);
 	if (rc < 0)
 		goto fail;
 
@@ -933,7 +944,7 @@ static int generic_set_freq(struct dvb_frontend *fe, u32 freq /* in HZ */,
 	   The reset CLK is needed only with tm6000.
 	   Driver should work fine even if this fails.
 	 */
-	priv->tuner_callback(priv->video_dev, XC2028_RESET_CLK, 1);
+	do_tuner_callback(fe, XC2028_RESET_CLK, 1);
 
 	msleep(10);
 
@@ -1177,20 +1188,10 @@ struct dvb_frontend *xc2028_attach(struct dvb_frontend *fe,
 		break;
 	case 1:
 		/* new tuner instance */
-		priv->tuner_callback = cfg->callback;
 		priv->ctrl.max_len = 13;
 
 		mutex_init(&priv->lock);
 
-		/* analog side (tuner-core) uses i2c_adap->algo_data.
-		 * digital side is not guaranteed to have algo_data defined.
-		 *
-		 * digital side will always have fe->dvb defined.
-		 * analog side (tuner-core) doesn't (yet) define fe->dvb.
-		 */
-		priv->video_dev = ((fe->dvb) && (fe->dvb->priv)) ?
-				   fe->dvb->priv : cfg->i2c_adap->algo_data;
-
 		fe->tuner_priv = priv;
 		break;
 	case 2:
diff --git a/drivers/media/common/tuners/tuner-xc2028.h b/drivers/media/common/tuners/tuner-xc2028.h
index 2c5b6282b569..1af69f49f8e1 100644
--- a/drivers/media/common/tuners/tuner-xc2028.h
+++ b/drivers/media/common/tuners/tuner-xc2028.h
@@ -39,9 +39,7 @@ struct xc2028_ctrl {
 struct xc2028_config {
 	struct i2c_adapter *i2c_adap;
 	u8 		   i2c_addr;
-	void               *video_dev;
 	struct xc2028_ctrl *ctrl;
-	int                (*callback) (void *dev, int command, int arg);
 };
 
 /* xc2028 commands for callback */
diff --git a/drivers/media/common/tuners/xc5000.c b/drivers/media/common/tuners/xc5000.c
index ccc4dae4126a..f9c2bb917f54 100644
--- a/drivers/media/common/tuners/xc5000.c
+++ b/drivers/media/common/tuners/xc5000.c
@@ -58,8 +58,6 @@ struct xc5000_priv {
 	u32 bandwidth;
 	u8  video_standard;
 	u8  rf_mode;
-
-	int  (*tuner_callback) (void *priv, int command, int arg);
 };
 
 /* Misc Defines */
@@ -232,10 +230,11 @@ static void xc5000_TunerReset(struct dvb_frontend *fe)
 
 	dprintk(1, "%s()\n", __func__);
 
-	if (priv->tuner_callback) {
-		ret = priv->tuner_callback(((fe->dvb) && (fe->dvb->priv)) ?
+	if (fe->callback) {
+		ret = fe->callback(((fe->dvb) && (fe->dvb->priv)) ?
 					   fe->dvb->priv :
 					   priv->i2c_props.adap->algo_data,
+					   DVB_FRONTEND_COMPONENT_TUNER,
 					   XC5000_TUNER_RESET, 0);
 		if (ret)
 			printk(KERN_ERR "xc5000: reset failed\n");
@@ -975,7 +974,6 @@ struct dvb_frontend *xc5000_attach(struct dvb_frontend *fe,
 		/* new tuner instance */
 		priv->bandwidth = BANDWIDTH_6_MHZ;
 		priv->if_khz = cfg->if_khz;
-		priv->tuner_callback = cfg->tuner_callback;
 
 		fe->tuner_priv = priv;
 		break;
diff --git a/drivers/media/common/tuners/xc5000.h b/drivers/media/common/tuners/xc5000.h
index fa0321cfd179..cf1a558e0e7f 100644
--- a/drivers/media/common/tuners/xc5000.h
+++ b/drivers/media/common/tuners/xc5000.h
@@ -30,8 +30,6 @@ struct i2c_adapter;
 struct xc5000_config {
 	u8   i2c_address;
 	u32  if_khz;
-
-	int  (*tuner_callback) (void *priv, int command, int arg);
 };
 
 /* xc5000 callback command */