V4L/DVB (8986): cx24116: Adding DVB-S2 demodulator support

Adds support for the COnexant cx24116 DVB-S2 demodulator.

TODO: checkpatch cleanup.

Signed-off-by: Steven Toth <stoth@linuxtv.org>
Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>

1 files changed, 50 insertions, 0 deletions

diff --git a/drivers/media/dvb/frontends/cx24116.h b/drivers/media/dvb/frontends/cx24116.h
new file mode 100644
index 000000000000..27896725204a
--- /dev/null
+++ b/drivers/media/dvb/frontends/cx24116.h
@@ -0,0 +1,50 @@
+/*
+    Conexant cx24116/cx24118 - DVBS/S2 Satellite demod/tuner driver
+
+    Copyright (C) 2006 Steven Toth <stoth@linuxtv.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 CX24116_H
+#define CX24116_H
+
+#include <linux/dvb/frontend.h>
+
+struct cx24116_config
+{
+	/* the demodulator's i2c address */
+	u8 demod_address;
+
+	/* Need to set device param for start_dma */
+	int (*set_ts_params)(struct dvb_frontend* fe, int is_punctured);
+
+	/* Need to reset device during firmware loading */
+	int (*reset_device)(struct dvb_frontend* fe);
+};
+
+#if defined(CONFIG_DVB_CX24116) || defined(CONFIG_DVB_CX24116_MODULE)
+extern struct dvb_frontend* cx24116_attach(const struct cx24116_config* config,
+					   struct i2c_adapter* i2c);
+#else
+static inline struct dvb_frontend* cx24116_attach(const struct cx24116_config* config,
+						  struct i2c_adapter* i2c)
+{
+	printk(KERN_WARNING "%s: driver disabled by Kconfig\n", __FUNCTION__);
+	return NULL;
+}
+#endif // CONFIG_DVB_CX24116
+
+#endif /* CX24116_H */