V4L/DVB(7767): Move tuners to common/tuners

There were several issues in the past, caused by the hybrid tuner design, since
now, the same tuner can be used by drivers/media/dvb and drivers/media/video.

Kconfig items were rearranged, to split V4L/DVB core from their drivers.

Signed-off-by: Mauro Carvalho Chehab <mchehab@infradead.org>

1 files changed, 63 insertions, 0 deletions

diff --git a/drivers/media/common/tuners/xc5000.h b/drivers/media/common/tuners/xc5000.h
new file mode 100644
index 000000000000..b890883a0cdc
--- /dev/null
+++ b/drivers/media/common/tuners/xc5000.h
@@ -0,0 +1,63 @@
+/*
+ *  Driver for Xceive XC5000 "QAM/8VSB single chip tuner"
+ *
+ *  Copyright (c) 2007 Steven Toth <stoth@hauppauge.com>
+ *
+ *  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 __XC5000_H__
+#define __XC5000_H__
+
+#include <linux/firmware.h>
+
+struct dvb_frontend;
+struct i2c_adapter;
+
+struct xc5000_config {
+        u8   i2c_address;
+        u32  if_khz;
+
+        /* For each bridge framework, when it attaches either analog or digital,
+         * it has to store a reference back to its _core equivalent structure,
+         * so that it can service the hardware by steering gpio's etc.
+         * Each bridge implementation is different so cast priv accordingly.
+         * The xc5000 driver cares not for this value, other than ensuring
+         * it's passed back to a bridge during tuner_callback().
+         */
+        void *priv;
+        int  (*tuner_callback) (void *priv, int command, int arg);
+};
+
+/* xc5000 callback command */
+#define XC5000_TUNER_RESET              0
+
+#if defined(CONFIG_DVB_TUNER_XC5000) || \
+    (defined(CONFIG_DVB_TUNER_XC5000_MODULE) && defined(MODULE))
+extern struct dvb_frontend* xc5000_attach(struct dvb_frontend *fe,
+                                          struct i2c_adapter *i2c,
+                                          struct xc5000_config *cfg);
+#else
+static inline struct dvb_frontend* xc5000_attach(struct dvb_frontend *fe,
+                                                 struct i2c_adapter *i2c,
+                                                 struct xc5000_config *cfg)
+{
+        printk(KERN_WARNING "%s: driver disabled by Kconfig\n", __func__);
+        return NULL;
+}
+#endif // CONFIG_DVB_TUNER_XC5000
+
+#endif // __XC5000_H__