Initial import

1 files changed, 51 insertions, 0 deletions

diff --git a/drivers/media/dvb-frontends/mt312.h b/drivers/media/dvb-frontends/mt312.h
new file mode 100644
index 000000000..386939a90
--- /dev/null
+++ b/drivers/media/dvb-frontends/mt312.h
@@ -0,0 +1,51 @@
+/*
+    Driver for Zarlink MT312 Satellite Channel Decoder
+
+    Copyright (C) 2003 Andreas Oberritter <obi@linuxtv.org>
+
+    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.
+
+    References:
+    http://products.zarlink.com/product_profiles/MT312.htm
+    http://products.zarlink.com/product_profiles/SL1935.htm
+*/
+
+#ifndef MT312_H
+#define MT312_H
+
+#include <linux/dvb/frontend.h>
+
+struct mt312_config {
+	/* the demodulator's i2c address */
+	u8 demod_address;
+
+	/* inverted voltage setting */
+	unsigned int voltage_inverted:1;
+};
+
+#if IS_REACHABLE(CONFIG_DVB_MT312)
+struct dvb_frontend *mt312_attach(const struct mt312_config *config,
+					struct i2c_adapter *i2c);
+#else
+static inline struct dvb_frontend *mt312_attach(
+	const struct mt312_config *config, struct i2c_adapter *i2c)
+{
+	printk(KERN_WARNING "%s: driver disabled by Kconfig\n", __func__);
+	return NULL;
+}
+#endif /* CONFIG_DVB_MT312 */
+
+#endif /* MT312_H */