V4L/DVB (6443): make tda9887 build selectable via Kconfig

Signed-off-by: Michael Krufky <mkrufky@linuxtv.org>
Reviewed-by: Hans Verkuil <hverkuil@xs4all.nl>
Signed-off-by: Mauro Carvalho Chehab <mchehab@infradead.org>

5 files changed, 52 insertions, 14 deletions

diff --git a/drivers/media/video/Makefile b/drivers/media/video/Makefile
index 08ac197cc1d..8a278182123 100644
--- a/drivers/media/video/Makefile
+++ b/drivers/media/video/Makefile
@@ -4,7 +4,7 @@
 
 zr36067-objs	:=	zoran_procfs.o zoran_device.o \
 			zoran_driver.o zoran_card.o
-tuner-objs	:=	tuner-core.o tuner-types.o tda9887.o
+tuner-objs	:=	tuner-core.o tuner-types.o
 
 msp3400-objs	:=	msp3400-driver.o msp3400-kthreads.o
 
@@ -87,6 +87,7 @@ obj-$(CONFIG_TUNER_MT20XX) += mt20xx.o
 obj-$(CONFIG_TUNER_TDA8290) += tda8290.o
 obj-$(CONFIG_TUNER_TEA5767) += tea5767.o
 obj-$(CONFIG_TUNER_TEA5761) += tea5761.o
+obj-$(CONFIG_TUNER_TDA9887) += tda9887.o
 
 obj-$(CONFIG_VIDEOBUF_GEN) += videobuf-core.o
 obj-$(CONFIG_VIDEOBUF_DMA_SG) += videobuf-dma-sg.o
diff --git a/drivers/media/video/tda9887.c b/drivers/media/video/tda9887.c
index 7663a557975..4f5d76ff0b4 100644
--- a/drivers/media/video/tda9887.c
+++ b/drivers/media/video/tda9887.c
@@ -9,7 +9,7 @@
 #include <linux/videodev.h>
 #include <media/v4l2-common.h>
 #include <media/tuner.h>
-#include "tuner-driver.h"
+#include "tda9887.h"
 
 
 /* Chips:
@@ -20,13 +20,18 @@
    Used as part of several tuners
 */
 
+static int tda9887_debug;
+module_param_named(debug, tda9887_debug, int, 0644);
+
 #define tda9887_info(fmt, arg...) do {\
 	printk(KERN_INFO "%s %d-%04x: " fmt, priv->t->i2c.name, \
-			i2c_adapter_id(priv->t->i2c.adapter), priv->t->i2c.addr , ##arg); } while (0)
+			i2c_adapter_id(priv->t->i2c.adapter), \
+			priv->t->i2c.addr, ##arg); } while (0)
 #define tda9887_dbg(fmt, arg...) do {\
-	if (tuner_debug) \
+	if (tda9887_debug) \
 		printk(KERN_INFO "%s %d-%04x: " fmt, priv->t->i2c.name, \
-			i2c_adapter_id(priv->t->i2c.adapter), priv->t->i2c.addr , ##arg); } while (0)
+			i2c_adapter_id(priv->t->i2c.adapter), \
+			priv->t->i2c.addr, ##arg); } while (0)
 
 struct tda9887_priv {
 	struct tuner_i2c_props i2c_props;
@@ -573,13 +578,13 @@ static void tda9887_configure(struct dvb_frontend *fe)
 
 	tda9887_dbg("writing: b=0x%02x c=0x%02x e=0x%02x\n",
 		priv->data[1],priv->data[2],priv->data[3]);
-	if (tuner_debug > 1)
+	if (tda9887_debug > 1)
 		dump_write_message(fe, priv->data);
 
 	if (4 != (rc = tuner_i2c_xfer_send(&priv->i2c_props,priv->data,4)))
 		tda9887_info("i2c i/o error: rc == %d (should be 4)\n",rc);
 
-	if (tuner_debug > 2) {
+	if (tda9887_debug > 2) {
 		msleep_interruptible(1000);
 		tda9887_status(fe);
 	}
@@ -590,7 +595,8 @@ static void tda9887_configure(struct dvb_frontend *fe)
 static void tda9887_tuner_status(struct dvb_frontend *fe)
 {
 	struct tda9887_priv *priv = fe->analog_demod_priv;
-	tda9887_info("Data bytes: b=0x%02x c=0x%02x e=0x%02x\n", priv->data[1], priv->data[2], priv->data[3]);
+	tda9887_info("Data bytes: b=0x%02x c=0x%02x e=0x%02x\n",
+		     priv->data[1], priv->data[2], priv->data[3]);
 }
 
 static int tda9887_get_afc(struct dvb_frontend *fe)
@@ -636,7 +642,7 @@ static struct analog_tuner_ops tda9887_tuner_ops = {
 	.release        = tda9887_release,
 };
 
-int tda9887_tuner_init(struct tuner *t)
+int tda9887_attach(struct tuner *t)
 {
 	struct tda9887_priv *priv = NULL;
 
@@ -658,6 +664,7 @@ int tda9887_tuner_init(struct tuner *t)
 
 	return 0;
 }
+EXPORT_SYMBOL_GPL(tda9887_attach);
 
 /*
  * Overrides for Emacs so that we follow Linus's tabbing style.
diff --git a/drivers/media/video/tda9887.h b/drivers/media/video/tda9887.h
new file mode 100644
index 00000000000..b879f0ec285
--- /dev/null
+++ b/drivers/media/video/tda9887.h
@@ -0,0 +1,33 @@
+/*
+    This program is free software; you can redistribute it and/or modify
+    it under the terms of the GNU General Public License as published by
+    the Free Software Foundation; either version 2 of the License, or
+    (at your option) any later version.
+
+    This program is distributed in the hope that it will be useful,
+    but WITHOUT ANY WARRANTY; without even the implied warranty of
+    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+    GNU General Public License for more details.
+
+    You should have received a copy of the GNU General Public License
+    along with this program; if not, write to the Free Software
+    Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
+*/
+
+#ifndef __TDA9887_H__
+#define __TDA9887_H__
+
+#include "tuner-driver.h"
+
+/* ------------------------------------------------------------------------ */
+#if defined(CONFIG_TUNER_TDA9887) || (defined(CONFIG_TUNER_TDA9887_MODULE) && defined(MODULE))
+extern int tda9887_attach(struct tuner *t);
+#else
+static inline int tda9887_attach(struct tuner *t)
+{
+	printk(KERN_WARNING "%s: driver disabled by Kconfig\n", __FUNCTION__);
+	return -EINVAL;
+}
+#endif
+
+#endif /* __TDA9887_H__ */
diff --git a/drivers/media/video/tuner-core.c b/drivers/media/video/tuner-core.c
index 3de03da28da..da16bf998fb 100644
--- a/drivers/media/video/tuner-core.c
+++ b/drivers/media/video/tuner-core.c
@@ -26,6 +26,7 @@
 #include "tea5767.h"
 #include "tuner-xc2028.h"
 #include "tuner-simple.h"
+#include "tda9887.h"
 
 #define UNSET (-1U)
 
@@ -344,7 +345,7 @@ static void set_type(struct i2c_client *c, unsigned int type,
 		break;
 	}
 	case TUNER_TDA9887:
-		tda9887_tuner_init(t);
+		tda9887_attach(t);
 		break;
 	default:
 		attach_simple_tuner(t);
diff --git a/drivers/media/video/tuner-driver.h b/drivers/media/video/tuner-driver.h
index cc9c1c74117..c03d08cd832 100644
--- a/drivers/media/video/tuner-driver.h
+++ b/drivers/media/video/tuner-driver.h
@@ -69,10 +69,6 @@ struct tuner {
 
 /* ------------------------------------------------------------------------ */
 
-extern int tda9887_tuner_init(struct tuner *t);
-
-/* ------------------------------------------------------------------------ */
-
 #define tuner_warn(fmt, arg...) do {\
 	printk(KERN_WARNING "%s %d-%04x: " fmt, t->i2c.driver->driver.name, \
 			i2c_adapter_id(t->i2c.adapter), t->i2c.addr , ##arg); } while (0)